324 results on '"Chen DQ"'
Search Results
2. Functional anisotropy changes in the trigeminal nerve after Radiosurgery for trigeminal neuralgia
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Hodaie, M, primary and Chen, DQ, additional
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- 2009
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3. Cortical thickness analysis in trigeminal neuralgia reflects unique changes related to treatment effect
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Hodaie, M, primary, Chen, DQ, additional, and Quan, J, additional
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- 2009
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4. ERCC1 Polymorphisms and Risk of Adult Glioma in a Chinese Population: A Hospital-Based Case-Control Study.
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Zhang N, Lin LY, Zhu LL, Wu F, Wen H, Pan D, Huang YC, and Chen DQ
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- 2012
5. Insulin resistance and lipid profile during an oral glucose tolerance test in women with and without gestational diabetes mellitus.
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Liang, ZX., Wu, Y., Zhu, XY., Fang, Q., and Chen, DQ.
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INSULIN resistance ,GLUCOSE tolerance tests ,GESTATIONAL diabetes ,BLOOD sugar ,HOMEOSTASIS ,MATHEMATICAL models ,CHOLESTEROL ,COMPARATIVE studies ,INSULIN ,RESEARCH methodology ,MEDICAL cooperation ,RESEARCH ,TRIGLYCERIDES ,EVALUATION research ,CASE-control method - Abstract
We aimed to compare changes in insulin levels during an oral glucose tolerance test (OGTT) between women with normal glucose tolerance (NGT) during pregnancy and those with gestational diabetes mellitus (GDM). Overall, 105 pregnant women between 24 and 28 weeks' gestation, 50 with NGT and 55 with GDM according to NDDG standard, were enrolled into the study. The levels of fasting blood glucose, insulin, triglyceride (TG) and total cholesterol (TC) and the insulin levels, blood glucose levels at 1, 2 and 3 hours post oral glucose administration during an OGTT (5.8, 10.6, 9.2 and 8.1 mmol/L, respectively) were measured. Then, insulin resistance (IR) index was calculated. There was no significant difference in fasting, 3-h insulin levels and 3-h blood glucose levels between those with NGT and those with GDM (P > 0.05). However, 1-h and 2-h insulin levels, fasting and 1-h and 2-h blood glucose levels in women with GDM were significantly higher than those in the NGT group (P < 0.05). Fasting TC and TG levels in the GDM group were significantly higher than those with NGT (P = 0.031 and P = 0.025, respectively). Correlation analysis showed that TG and TC levels were positively correlated with homoeostasis model assessment-IR (HOMA-IR) (r = 0.67 and r = 0.78, respectively; P < 0.05). Our findings suggest that insulin sensitivity in women with GDM was significantly lower than that observed in those with NGT. Reducing IR and blood lipids in women with GDM could potentially improve maternal and foetal outcomes. [ABSTRACT FROM AUTHOR]
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- 2016
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6. Gene Expression Profiling of Advanced Penile Squamous Cell Carcinoma Receiving Cisplatin-based Chemotherapy Improves Prognostication and Identifies Potential Therapeutic Targets
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Sooryanarayana Varambally, Bernhard J. Eigl, Darshan S. Chandrashekar, Patrizia Giannatempo, Guru Sonpavde, Shi Wei, Jennifer Gordetsky, Tiffiny Cooper, Amitkumar Mehta, Maurizio Colecchia, Sejong Bae, Andrea Necchi, Eddy S. Yang, Gurudatta Naik, Dongquan Chen, Necchi, A, Eigl, Bj, Yang, Esh, Bae, S, Chandrashekar, D, Chen, Dq, Naik, G, Mehta, A, Giannatempo, P, Colecchia, M, Gordetsky, J, Wei, S, Cooper, T, Varambally, S, and Sonpavde, G
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Male ,0301 basic medicine ,Oncology ,medicine.medical_specialty ,Multivariate analysis ,Urology ,medicine.medical_treatment ,Article ,03 medical and health sciences ,0302 clinical medicine ,Risk Factors ,Neoplasms ,Internal medicine ,Antineoplastic Combined Chemotherapy Protocols ,Humans ,Medicine ,Karnofsky Performance Status ,Neoplasm Metastasis ,Penile Neoplasms ,Aged ,Neoplasm Staging ,Retrospective Studies ,Cisplatin ,Chemotherapy ,Univariate analysis ,Performance status ,business.industry ,Gene Expression Profiling ,Hazard ratio ,Retrospective cohort study ,Middle Aged ,Prognosis ,Survival Analysis ,Gene expression profiling ,030104 developmental biology ,030220 oncology & carcinogenesis ,Carcinoma, Squamous Cell ,RNA ,business ,medicine.drug - Abstract
In men with advanced penile squamous cell carcinoma receiving first-line chemotherapy, visceral metastases (VM) and Eastern Cooperative Oncology Group performance status ≥1 are poor prognostic factors for overall survival (OS). We hypothesized that tumor gene expression profiling may enhance prognostic stratification and identify potential therapeutic targets. In this retrospective study, RNA extracted from macrodissected tumors underwent profiling for the expression of 738 genes using NanoString. Univariate and multivariate analyses assessed the association of genes, VM, and performance status with OS. Tumors were available from 25 men who received first-line cisplatin-based chemotherapy. In univariate analysis, upregulated MAML2 ( p =0.004), KITLG ( p ≤0.0001), and JAK1 ( p =0.029) genes were associated with poor OS, and upregulated FANCA was associated with better OS ( p =0.024). In stepwise multivariate analyses, VM (hazard ratio=12.75, p =0.0001) and MAML2 (hazard ratio=10.411, p =0.003) were associated with poor OS. The presence of none, one, and both of these poor risk factors was associated with significantly different median OS of 18.4 mo, 7.2 mo, and 2.1 mo, respectively. Unsupervised clustering demonstrated two major molecular subtypes with trend for different survivals ( p =0.052). Validation of results is necessary. Patient summary The expression of the MAML2 gene in penile cancers from men receiving first-line cisplatin-based chemotherapy predicted overall survival independent of clinical factors.
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- 2018
7. DynaCT biliary reconstruction via a 3D C-arm cholangiography system: clinical application in hepatolithiasis.
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Cao YW, Chen DQ, Lin JL, Ding ZW, Li PH, Li RQ, and Ye YQ
- Abstract
Objective: Dyna computed tomography (DynaCT) is an innovative clinical imaging tool used to obtain three-dimensional (3D) images of biliary structures via the Artis Zee DSA system (SIEMENS Company, Germany). DynaCT is a type of 3D cone beam computed tomography (CBCT) reconstruction produced from a two-dimensional (2D) cholangiography system by rotating the C-arm without moving the patient. The aim of this study was to evaluate the technical approach and application value of DynaCT to diagnosis hepatolithiasis and biliary stenosis., Methods: This was a retrospective single-centre series of 37 hepatolithiasis patients with tubes receiving one-step percutaneous transhepatic cholangioscopic lithotripsy (one-step PTCSL) between October 2021 and October 2022: twenty-one patients were guided by CT (CT group) and sixteen by DynaCT biliary reconstruction (DynaCT group). We compared DynaCT biliary reconstruction technology with computed tomography (CT) in the application of bile ducts., Results: DynaCT biliary reconstruction was successfully performed in 37 patients. Biliary stenosis, including anatomy, morphology, and size, was visualized via DynaCT. Compared with the CT group, the DynaCT group was characterized by significantly more target biliary branches with stones (92 vs. 48, P < 0.05), a higher percentage of secondary stenosis (75.76% vs. 24.24%, p < 0.05), a greater percentage of biliary infection (37.5% vs. 9.5%, P = 0.041), a shorter overall stone clearance time (26.38 ± 13.49 vs. 52.67 ± 30.10, P = 0.001), and a lower rate of reoperation for residual stones (25.00% vs. 66.67%, P = 0.012). DynaCT had a lower contrast agent (25.61 ± 5.13 vs. 42.69 ± 11.15, p < 0.05). However, DynaCT increased radiation exposure (38.12 ± 10.59 vs. 25.79 ± 4.76, p < 0.05). There were no significant differences between the two groups regarding the clearance ratio of the calculus or several postoperative complications., Conclusion: DynaCT for biliary reconstruction has the potential to be a powerful evaluation tool for one-step PTCSL surgery and could lead to new possibilities for hepatobiliary surgery., Advances in Knowledge: DynaCT was used for the first time in patients with hepatolithiasis and biliary stenosis. Compared with CT, DynaCT for biliary reconstruction results in higher-quality 3D biliary, blood vessel and liver images. On the basis of the DynaCT biliary model, one-step PTCSL has the potential to improve the stone clearance ratio and shorten the stone clearance time and reoperation ratio., (© The Author(s) 2024. Published by Oxford University Press on behalf of the British Institute of Radiology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
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- 2024
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8. Phonon-Coupled High-Harmonic Generation for Exploring Nonadiabatic Electron-Phonon Interactions.
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Hu SQ, Zhao H, Liu XB, Chen Q, Chen DQ, Zhang XY, and Meng S
- Abstract
High harmonic generation (HHG) have received significant attention for the exploration of material properties and ultrafast dynamics. However, the lack of consideration for couplings between HHG and other quasiparticles, such as phonons, has been impeding the understanding of many-body interactions in HHG. Here, we reveal the many-body electron-phonon mechanism in the quasiparticle-coupled strong-field dynamics by investigating the nonadiabatic (NA) coherent-phonon-coupled HHG. Coherent phonons are revealed to effectively affect HHG via the adiabatic band modulation induced by phonon deformation effects and the NA and nonequilibrium distribution of photocarriers in multiple valleys. The adiabatic and NA mechanisms leave their fingerprint via influencing the phonon period and phase delay in the oscillation of HHG intensity, both of which are experimentally measurable. Investigation of these quantities enables the direct probing of the electron-phonon interaction in materials.
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- 2024
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9. The First Report of Tritrichomonas Foetus and Tetratrichomonas Buttreyi in Raccoon Dogs (Nyctereutes Procyonoides) in China.
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Chen DQ, Wang QY, Li QQ, Luo XY, Wu XH, Wang JP, Gao SC, Liu XC, and Li W
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- Animals, China epidemiology, Tritrichomonas foetus isolation & purification, Tritrichomonas foetus genetics, Phylogeny, Polymerase Chain Reaction veterinary, Prevalence, Trichomonadida genetics, Trichomonadida isolation & purification, Trichomonadida classification, DNA, Protozoan genetics, Raccoon Dogs parasitology, Protozoan Infections, Animal parasitology, Protozoan Infections, Animal epidemiology, Feces parasitology
- Abstract
Background: In recent years, the trichomonosis in raccoon dogs in China had occurred frequently. Pentatrichomonas hominis had been described in raccoon dogs in China in some previous studies. PURPOSE TO REVEAL: whether raccoon dogs can be infected by other trichomonad species besides P. hominis, and clarify the prevalence and species distribution of trichomonad in raccoon dogs., Methods: Herein, the 389 fecal samples were collected from farm-raised raccoon dogs in Hebei Province, all the samples were detected using the microscopic examination and several fecal samples containing trichomonad-like organisms were processed, cultured, stained, and photographed. Meanwhile, all the samples were screened by the species-specific nested PCR based on the small subunit rRNA (SSU rRNA) gene of P. hominis,Tritrichomonas foetus and Tetratrichomonas buttreyi, respectively, and all positive secondary PCR amplications obtained in this study were sequenced, aligned and analysed., Results: 62 fecal samples (15.9%,62/389) were trichomonad-positive under light microscopy, and the trichomonad-like cells were clearly observed in the culture contents. The PCR results showed that 100 samples were trichomonad-positive, including 45 P. hominis-positive samples (11.6%,45/389), 32 T. foetus-positive samples (8.2%,32/389), and 33 T. buttreyi-positive samples (8.5%,33/389), respectively. Double mixed infections were observed in 10 samples. The prevalence of T. foetus and P. hominis were both significantly higher in raccoon dogs with diarrhea (13.9%, and 25.0%) than that in raccoon dogs without diarrhea (7.6%, and 9.3%) (p < 0.05).All samples confirmed as trichomonad-positive under microscopy were also found to be trichomonad-positive by PCR analysis. The sequencing and phylogenetic analysis demonstrated the sequences obtained in this study belonged to P. hominis, T. foetus and T. buttreyi SSU rRNA, respectively. Among them, the T. buttreyi SSU rRNA sequences obtained in this study harbored the new sequence polymorphisms. Based on preliminary morphological and molecular analyses, raccoon dogs are considered as the new host of T. foetus and T. buttreyi., Conclusion: This is the first report about the identifcation and prevalence of T. foetus and T. buttreyi in raccoon dogs in China, and the results increase our knowledge about the host range and prevalence of trichomonad species., (© 2024. The Author(s), under exclusive licence to Springer Nature Switzerland AG.)
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- 2024
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10. Discovering Potential Mechanisms of Intervertebral Disc Disease Using Systematic Mendelian Randomization of Human Circulating Immunocytomics.
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Chen DQ, Que ZQ, Xu WB, Xiao KY, Sun NK, Feng JY, Lin GX, and Rui G
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- Humans, Polymorphism, Single Nucleotide genetics, Intervertebral Disc Displacement genetics, Risk Factors, Mendelian Randomization Analysis, Intervertebral Disc Degeneration genetics
- Abstract
Background: Although intervertebral disc degeneration (IVDD) is a critical factor in many spine-related diseases and has an extremely high prevalence in the aging population, the potential pathogenesis remains to be clarified entirely. Immune cells have been found to perform an essential function during the onset and progression of IVDD in recent years. Therefore, we explored the association between immune cell characteristics and IVDD through Mendelian randomization (MR) analysis and further delved into the mediating role of potential metabolites., Methods: Based on the MR analysis, the association of 731 immune cell phenotypes and 1400 metabolites on IVDD were assessed. Single nucleotide polymorphisms were closely associated the expression levels of immune cell characteristics and the concentrations of metabolites and have been used as instrumental variables for deducing them as risk factors or protective factors for IVDD. In addition, mediation analyses have been performed to identify potential metabolite mediators between immune cell characteristics and IVDD., Results: MR analysis identified 27 immune cell phenotypes and 79 metabolites significantly associated with IVDD. In addition, mediation analysis was performed by selecting the immune cell phenotype that most significantly increased the risk of IVDD - CD86 on monocytes. A total of 4 metabolite-mediated mediation relationships were revealed (3 b-hydroxy-5-cholenoic acid, X-22509, N-acetyl-L-glutamine, and N2-acetyl, N6, N6-dimethyllysine)., Conclusions: The findings of this analysis identified underlying association between immune cell phenotypes, metabolite, and IVDD that may serve as predictive and prognostic clinical biomarkers and benefit IVDD pathogenesis research., (Copyright © 2024 Elsevier Inc. All rights reserved.)
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- 2024
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11. Mechanism research on microRNA-669f-5p/deoxycytidylate deaminase axis mediating sevoflurane-induced cognitive dysfunction in aged mice.
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Zhong YP, Zhang C, Zheng X, Chen DQ, Fang X, Zhang Y, and Zhu ZQ
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- Animals, Mice, Male, Hippocampus drug effects, Hippocampus metabolism, Aging, Signal Transduction drug effects, Sevoflurane, MicroRNAs genetics, MicroRNAs metabolism, Mice, Inbred C57BL, Cognitive Dysfunction chemically induced, Anesthetics, Inhalation toxicity, Anesthetics, Inhalation adverse effects
- Abstract
Objective: To investigate the role of the microRNA (miRNA)-669f-5p/deoxycytidylate deaminase (Dctd) axis in sevoflurane inducing cognitive dysfunction in aged mice., Methods: Sixty-six C57BL/6J mice were used in the experiment model and were randomly divided into the sevoflurane group and the control group. The mice in the sevoflurane group were anesthetised with 3.4% sevoflurane, whereas those in the control group were air-treated for the same period. The study was then performed using bioinformatics sequencing, as well as in vitro and in vivo validation., Results: The mice in the sevoflurane group showed significant cognitive impairments in terms of a decrease in both spatial learning and memory abilities. Experimental doses of miR-669f-5p agonist exhibited no obvious effect on cognitive function following sevoflurane inhalation, but inhibiting the expression of miR-669f-5p could alleviate the impairments. Based on the results of the bioinformatics sequencing, miR-669f-5p/Dctd and the toll-like receptor (TLR) signalling pathway could be the key miRNA, gene and pathway leading to postoperative cognitive dysfunction following sevoflurane inhalation. The aged mice showed significantly increased expression of miR-669f-5p in the hippocampus following sevoflurane inhalation, and upregulating/inhibiting its expression could increase/decrease TLR expression in the hippocampus. Furthermore, miR-669f-5p could reduce the expression of the Dctd gene by binding to its 3'untranslated region., Conclusion: The miR-669f-5p/Dctd axis plays an important role in sevoflurane inducing cognitive dysfunction in aged mice, providing a new direction for further development of therapeutic strategies concerning the prevention and treatment of cognitive dysfunction associated with sevoflurane anaesthesia., (© 2024 Société Française de Pharmacologie et de Thérapeutique. Published by John Wiley & Sons Ltd.)
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- 2024
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12. Nucleotide polymorphism-based study utilizes human plasma liposomes to discover potential therapeutic targets for intervertebral disc disease.
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Chen DQ, Que ZQ, Xu WB, Xiao KY, Sun NK, Song HY, Feng JY, Lin GX, and Rui G
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- Humans, Intervertebral Disc Displacement genetics, Intervertebral Disc Displacement metabolism, Liposomes, Polymorphism, Single Nucleotide, Intervertebral Disc Degeneration genetics, Intervertebral Disc Degeneration metabolism, Intervertebral Disc Degeneration blood, Mendelian Randomization Analysis
- Abstract
Background: While intervertebral disc degeneration (IVDD) is crucial in numerous spinally related illnesses and is common among the elderly, the complete understanding of its pathogenic mechanisms is still an area of ongoing study. In recent years, it has revealed that liposomes are crucial in the initiation and progression of IVDD. However, their intrinsic mediators and related mechanisms remain unclear. With the development of genomics, an increasing amount of data points to the contribution of genetics in the etiology of disease. Accordingly, this study explored the causality between liposomes and IVDD by Mendelian randomization (MR) analysis and deeply investigated the intermediary roles of undetected metabolites., Methods: According to MR analysis, 179 liposomes and 1400 metabolites were evaluated for their causal association with IVDD. Single nucleotide polymorphisms (SNPs) are strongly associated with the concentrations of liposomes and metabolites. Consequently, they were employed as instrumental variables (IVs) to deduce if they constituted risk elements or protective elements for IVDD. Furthermore, mediation analysis was conducted to pinpoint possible metabolic mediators that link liposomes to IVDD. The inverse variance weighting (IVW) was the main analytical technique. Various confidence tests in the causality estimates were performed, including consistency, heterogeneity, pleiotropy, and sensitivity analyses. Inverse MR analysis was also utilized to estimate potential reverse causality., Results: MR analysis identified 13 liposomes and 79 metabolites markedly relevant to IVDD. Moreover, the mediation analysis was carried out by choosing the liposome, specifically the triacylglycerol (48:2) levels, which were found to be most notably associated with an increased risk of IVDD. In all, three metabolite-associated mediators were identified (3-methylcytidine levels, inosine 5'-monophosphate (IMP) to phosphate ratio, and adenosine 5'-diphosphate (ADP) to glycine ratio)., Conclusion: The analysis's findings suggested possible causal connections between liposomes, metabolites, and IVDD, which could act as both forecast and prognosis clinical indicators, thereby aiding in the exploration of the pathogenesis behind IVDD., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Chen, Que, Xu, Xiao, Sun, Song, Feng, Lin and Rui.)
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- 2024
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13. Gibberellic acid targeting ZBTB16 reduces NF-κB dependent inflammatory stress in sepsis-induced neuroinflammation.
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Xu HJ, Lin YY, Yu JJ, Zhang N, Hu JM, Qu JS, Yuan CM, Chen DQ, Liang M, Cai HD, and Zeng K
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- Animals, Mice, Male, Neuroinflammatory Diseases drug therapy, Anti-Inflammatory Agents pharmacology, Anti-Inflammatory Agents therapeutic use, Signal Transduction drug effects, Cell Line, Cytokines metabolism, Inflammation drug therapy, Inflammation metabolism, Sepsis complications, Sepsis drug therapy, Sepsis metabolism, NF-kappa B metabolism, Mice, Inbred C57BL, Microglia drug effects, Microglia metabolism, Gibberellins pharmacology, Lipopolysaccharides
- Abstract
Objective: Sepsis is frequently complicated by neuroinflammation. Gibberellic acid (GA3) is recognized for its anti-inflammatory properties. In this study, our objective was to investigate whether GA3 could alleviate Nuclear factor-kappa B (NF-κB) -dependent inflammatory stress in sepsis-induced neuroinflammation., Methods: C57BL/6 J mice were administered 10 mg/kg lipopolysaccharide (LPS) to induce sepsis. BV2 cells were pre-incubated with GA3 and subjected lipopolysaccharide stimulation to replicate the inflammatory microglia during sepsis. Subsequently, we assessed the release of IL-6, TNF-α, and IL-1β, along with the expression of Zbtb16, NF-κB, and IκB. To investigate whether any observed anti-inflammatory effects of GA3 were mediated through a Zbtb16-dependent mechanism, Zbtb16 was silenced using siRNA., Results: GA3 improved the survival of sepsis mice and alleviated post-sepsis cognitive impairment. Additionally, GA3 attenuated microglial M1 activation (pro-inflammatory phenotype), inflammation, and neuronal damage in the brain. Moreover, GA3 inhibited the release of TNF-α, IL-6, and IL-1β in microglia stimulated with LPS. The NF-κB signaling pathway emerged as one of the key molecular pathways associated with the impact of GA3 on LPS-stimulated microglia. Lastly, GA3 upregulated Zbtb16 expression in microglia that had been downregulated by LPS. The inhibitory effects of GA3 on microglial M1 activation were partially reversed through siRNA knockdown of Zbtb16., Conclusions: Pre-incubation of microglia with GA3 led to the upregulation of the NF-κB regulator, Zbtb16. This process counteracted LPS-induced microglial M1 activation, resulting in an anti-inflammatory effect upon subsequent LPS stimulation., Competing Interests: Declaration of competing interest The authors declare no conflicts of interest., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2024
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14. High-Resolution Tissue Doppler and Strain Imaging for Adult Zebrafish Myocardial Tissue Through Ultrafast High-Frequency Ultrasound Vector Doppler Estimation.
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Huang H, Machikhin A, Chen DQ, and Huang CC
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- Animals, Echocardiography, Doppler methods, Zebrafish, Heart diagnostic imaging, Heart physiology
- Abstract
Zebrafish has been considered as an essential small-animal model for investigating the mechanism of heart regeneration. Due to the small size of zebrafish heart, high-frequency ultrasound (HFUS) imaging is often required for in vivo evaluations of its dynamic functions. Although commercial HFUS systems are available for myocardial velocity and strain measurement, only the outer myocardial region can be quantified due to the complex structure of zebrafish heart. In this study, a high-resolution 2-D myocardial tissue Doppler and strain imaging based on ultrafast HFUS imaging was developed for zebrafish heart imaging during heart regeneration. The cardiac flow region was first extracted to recognize the myocardial region, and the myocardial velocity and strain were then determined through vector Doppler estimation. Adult AB-line zebrafish was used for in vivo experiments, and cryoinjury was induced in the apical region of the heart. Both the myocardial velocity and strain of the whole ventricle after cryoinjury were directly visualized over 28 days. Myocardial velocity (during later diastolic motion) and strain, respectively, were significantly decreased (anterior wall: -2.0 mm/s and -3.3%; apical region: -2.0 mm/s and -4.5%; and posterior wall (PW): -1.7 mm/s and -4.3%) at the first three days after cryoinjury, which indicates weak myocardial beating due to heart injury. However, these all returned to the baseline values at 14 days after cryoinjury. All of the experimental results indicate that the proposed method is a useful tool for heart regeneration studies in adult zebrafish. In particular, it allows for the noninvasive evaluation of regional dynamic heart function.
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- 2024
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15. PCSK9 inhibitors and osteoporosis: mendelian randomization and meta-analysis.
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Chen DQ, Xu WB, Xiao KY, Que ZQ, Feng JY, Sun NK, Cai DX, and Rui G
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- Humans, Proprotein Convertase 9 genetics, Proprotein Convertase 9 metabolism, Hydroxymethylglutaryl CoA Reductases genetics, Mendelian Randomization Analysis, Osteoporosis genetics, Osteoporosis chemically induced, Osteoporosis epidemiology, Polymorphism, Single Nucleotide, Genome-Wide Association Study, PCSK9 Inhibitors
- Abstract
Background: Proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors represent an effective strategy for reducing cardiovascular disease risk. Yet, PCSK9's impact on osteoporosis remains unclear. Hence, we employed Mendelian randomization (MR) analysis for examining PCSK9 inhibitor effects on osteoporosis., Methods: Single nucleotide polymorphisms (SNPs) for 3-hydroxy-3-methylglutaryl cofactor A reductase (HMGCR) and PCSK9 were gathered from available online databases for European pedigrees. Four osteoporosis-related genome-wide association studies (GWAS) data served as the main outcomes, and coronary artery disease (CAD) as a positive control for drug-targeted MR analyses. The results of MR analyses examined by sensitivity analyses were incorporated into a meta-analysis for examining causality between PCSK9 and HMGCR inhibitors and osteoporosis., Results: The meta-analysis involving a total of 1,263,102 subjects, showed that PCSK9 inhibitors can increase osteoporosis risk (P < 0.05, I
2 , 39%). However, HMGCR inhibitors are not associated with osteoporosis risk. Additionally, a replication of the analysis was conducted with another exposure-related GWAS dataset, which led to similar conclusions., Conclusion: PCSK9 inhibitors increase osteoporosis risk. However, HMGCR inhibitors are unremarkably linked to osteoporosis., (© 2024. The Author(s).)- Published
- 2024
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16. Peripheral inflammation as a potential mechanism and preventive strategy for perioperative neurocognitive disorder under general anesthesia and surgery.
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Li Y, Li YJ, Fang X, Chen DQ, Yu WQ, and Zhu ZQ
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General anesthesia, as a commonly used medical intervention, has been widely applied during surgical procedures to ensure rapid loss of consciousness and pain relief for patients. However, recent research suggests that general anesthesia may be associated with the occurrence of perioperative neurocognitive disorder (PND). PND is characterized by a decline in cognitive function after surgery, including impairments in attention, memory, learning, and executive functions. With the increasing trend of population aging, the burden of PND on patients and society's health and economy is becoming more evident. Currently, the clinical consensus tends to believe that peripheral inflammation is involved in the pathogenesis of PND, providing strong support for further investigating the mechanisms and prevention of PND., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Li, Li, Fang, Chen, Yu and Zhu.)
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- 2024
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17. Targeting pyruvate kinase M2 for the treatment of kidney disease.
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Chen DQ, Han J, Liu H, Feng K, and Li P
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Pyruvate kinase M2 (PKM2), a rate limiting enzyme in glycolysis, is a cellular regulator that has received extensive attention and regards as a metabolic regulator of cellular metabolism and energy. Kidney is a highly metabolically active organ, and glycolysis is the important energy resource for kidney. The accumulated evidences indicates that the enzymatic activity of PKM2 is disturbed in kidney disease progression and treatment, especially diabetic kidney disease and acute kidney injury. Modulating PKM2 post-translational modification determines its enzymatic activity and nuclear translocation that serves as an important interventional approach to regulate PKM2. Emerging evidences show that PKM2 and its post-translational modification participate in kidney disease progression and treatment through modulating metabolism regulation, podocyte injury, fibroblast activation and proliferation, macrophage polarization, and T cell regulation. Interestingly, PKM2 activators (TEPP-46, DASA-58, mitapivat, and TP-1454) and PKM2 inhibitors (shikonin, alkannin, compound 3k and compound 3h) have exhibited potential therapeutic property in kidney disease, which indicates the pleiotropic effects of PKM2 in kidney. In the future, the deep investigation of PKM2 pleiotropic effects in kidney is urgently needed to determine the therapeutic effect of PKM2 activator/inhibitor to benefit patients. The information in this review highlights that PKM2 functions as a potential biomarker and therapeutic target for kidney diseases., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Chen, Han, Liu, Feng and Li.)
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- 2024
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18. Therapeutic potential of single-nucleotide polymorphism-mediated IL6R inhibitors in ankylosing spondylitis treatment.
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Chen DQ, Xu WB, Que ZQ, Xiao KY, Sun NK, Cai DX, Feng JY, and Rui G
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Objective: Interleukin-6 (IL-6) is a multiple-effect cell factor implicated in the etiopathogenesis of several rheumatologic disorders. The blockade of the IL-6 pathway via IL6R inhibitors effectively treats these disorders. However, the clinical significance of the IL6R blockade for ankylosing spondylitis (AS) therapy remains controversial. With advances in genomics, increasing evidence has revealed the role of heritability in the etiology of disease, and Mendelian randomization (MR) analyses are being used more broadly to infer causation. Therefore, this MR study aims to evaluate the potential therapeutic utility of IL6R-targeted approaches in AS., Methods: The C-reactive protein (CRP) level was used as an exposure factor, and rheumatoid arthritis (RA) was used as a positive control. As-related genome-wide association study (GWAS) data were used as the primary outcome of drug-targeted MR analyses to test the relation between IL6R blockers and AS. Inverse variance weighting (IVW) is the primary analytical approach. Various sensitivity tests were performed to check the robustness and trustworthiness of the causality estimation, including consistency, heterogeneity, and pleiotropy analyses. In addition, repeated analysis was conducted using different GWAS data related to exposures and outcomes to examine the results for stability., Results: According to the IVW results, IL6R inhibitors significantly reduced the risk of AS in ukb-b-18194 (OR: 0.995, 95% CI 0.993-0.996, P = 5.12 × 10
-08 ) and ukb-a-88 (OR: 0.994, 95% CI 0.993-0.996, P = 6.25 × 10-15 ). Moreover, repeated analyses were performed using different exposure-related GWAS data, yielding similar results, ukb-b-18194 (OR: 0.995, 95% CI 0.993-0.997, P = 1.25 × 10-06 ) and ukb-a-88 (OR: 0.995, 95% CI 0.994-0.997, P = 7.81 × 10-09 ). Heterogeneity analyses and pleiotropy analyses indicated no significant heterogeneity or pleiotropy., Conclusion: This MR analysis result further validates that the IL-6 pathway may contribute to the pathogenesis of AS and that the inhibition of IL6R reduces the risk of AS. These findings may guide future studies and provide more favorable drug treatment options for people at high risk of AS., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Chen, Xu, Que, Xiao, Sun, Cai, Feng and Rui.)- Published
- 2024
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19. Tangshen Formula alleviates inflammatory injury against aged diabetic kidney disease through modulating gut microbiota composition and related amino acid metabolism.
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Chen DQ, Zhang HJ, Zhang W, Feng K, Liu H, Zhao HL, and Li P
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- Humans, Aged, Mice, Animals, RNA, Ribosomal, 16S genetics, Tryptophan, Inflammation drug therapy, Anti-Inflammatory Agents therapeutic use, Arginine, Diabetic Nephropathies drug therapy, Gastrointestinal Microbiome, Diabetes Mellitus, Drugs, Chinese Herbal
- Abstract
Diabetic kidney disease (DKD) is leading causes and one of the fastest growing causes of chronic kidney disease worldwide, and leads to high morbidity and mortality. Emerging evidences have revealed gut microbiota dysbiosis and related metabolism dysfunction play a dominant role in DKD progression and treatment through modulating inflammation. Our previous studies showed that Tangshen Formula (TSF), a Chinese herbal prescription, exhibited anti-inflammatory effect on DKD, but underlying mechanism that involved gut microbiota and related metabolism in aged model remained obscure. Here, BTBR ob/ob mice were used to establish aged DKD model, and 16S rRNA sequence and untargeted metabolomic analyses were employed to investigate the correlation between colonic microbiota and serum metabolism. The aged ob/ob mice exhibited obvious glomerular and renal tubule injury and kidney function decline in kidney, while TSF treatment significantly attenuated these abnormalities. TSF also exhibited potent anti-inflammatory effect in aged ob/ob mice indicating by reduced proinflammatory factor IL-6 and TNF-α, MCP-1 and COX-2 in serum, kidney and intestine, which suggested the involvement of gut microbiota with TSF effect. The 16S rDNA sequencing of the colonic microbiome and untargeted serum metabolomics analysis revealed significant differences in gut microbiota structure and serum metabolomic profiles between WT and ob/ob mice. Notably, TSF treatment reshaped the structure of gut microbiota and corrected the disorder of metabolism especially tryptophan metabolism and arginine biosynthesis. TSF increased Anaeroplasma and Barnesiella genera and decreased Romboutsia, Akkermansia, and Collinsella genera, and further elevated tryptophan, 5-hydroxyindoleacetate, glutamic acid, aspartate and reduced 4-hydroxy-2-quinolinecarboxylic acid, indole-3-acetic acid, xanthurenic acid, glutamine. Further correlation analysis indicated that disturbed gut microbiota was linked to tryptophan metabolism and arginine biosynthesis to regulate inflammation in aged DKD. Our data revealed that TSF attenuated renal inflammation by modulating gut microbiota and related amino acid metabolism in aged DKD model, highlighting gut microbiota and related metabolism functioned as potential therapeutic target for DKD in elderly patients., Competing Interests: Declaration of competing interest None., (Copyright © 2024. Published by Elsevier Inc.)
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- 2024
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20. Functional roles of circular RNAs in lung injury.
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Gao FF, Chen DQ, Jiang YT, Han CF, Lin BY, Yang Z, Quan JH, Xiong YH, and Chen XT
- Abstract
Lung injury leads to respiratory dysfunction, low quality of life, and even life-threatening conditions. Circular RNAs (circRNAs) are endogenous RNAs produced by selective RNA splicing. Studies have reported their involvement in the progression of lung injury. Understanding the roles of circRNAs in lung injury may aid in elucidating the underlying mechanisms and provide new therapeutic targets. Thus, in this review, we aimed to summarize and discuss the characteristics and biological functions of circRNAs, and their roles in lung injury from existing research, to provide a theoretical basis for the use of circRNAs as a diagnostic and therapeutic target for lung injury., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Gao, Chen, Jiang, Han, Lin, Yang, Quan, Xiong and Chen.)
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- 2024
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21. Cardiovascular risk of dietary trimethylamine oxide precursors and the therapeutic potential of resveratrol and its derivatives.
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Hou CY, Chen YW, Hazeena SH, Tain YL, Hsieh CW, Chen DQ, Liu RY, and Shih MK
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- Humans, Resveratrol pharmacology, Risk Factors, Diet, Heart Disease Risk Factors, Cardiovascular Diseases drug therapy, Methylamines
- Abstract
Overall diet, lifestyle choices, genetic predisposition, and other underlying health conditions may contribute to higher trimethylamine N-oxide (TMAO) levels and increased cardiovascular risk. This review explores the potential therapeutic ability of RSV to protect against cardiovascular diseases (CVD) and affect TMAO levels. This review considers recent studies on the association of TMAO with CVD. It also examines the sources, mechanisms, and metabolism of TMAO along with TMAO-induced cardiovascular events. Plant polyphenolic compounds, including resveratrol (RSV), and their cardioprotective mechanism of regulating TMAO levels and modifying gut microbiota are also discussed here. RSV's salient features and bioactive properties in reducing CVD have been evaluated. The close relationship between TMAO and CVD is clearly understood from currently available data, making it a potent biomarker for CVD. Precise investigation, including clinical trials, must be performed to understand RSV's mechanism, dose, effects, and derivatives as a cardioprotectant agent., (© 2023 The Authors. FEBS Open Bio published by John Wiley & Sons Ltd on behalf of Federation of European Biochemical Societies.)
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- 2024
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22. The role of ABCC10/MRP7 in anti-cancer drug resistance and beyond.
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Chen DQ, Xie Y, Cao LQ, Fleishman JS, Chen Y, Wu T, and Yang DH
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- Humans, Multidrug Resistance-Associated Proteins genetics, Multidrug Resistance-Associated Proteins metabolism, Drug Resistance, Neoplasm genetics, Drug Resistance, Multiple genetics, Imatinib Mesylate pharmacology, Antineoplastic Agents pharmacology, Antineoplastic Agents therapeutic use, Neoplasms drug therapy, Neoplasms genetics
- Abstract
Multidrug resistance protein 7 (MRP7), also known as ATP-binding cassette (ABC) transporter subfamily C10 (ABCC10), is an ABC transporter that was first identified in 2001. ABCC10/MRP7 is a 171 kDa protein located on the basolateral membrane of cells. ABCC10/MRP7 consists of three transmembrane domains and two nucleotide binding domains. It mediates multidrug resistance of tumor cells to a variety of anticancer drugs by increasing drug efflux and results in reducing intracellular drug accumulation. The transport substrates of ABCC10/MRP7 include antineoplastic drugs such as taxanes, vinca alkaloids, and epothilone B, as well as endobiotics such as leukotriene C4 (LTC
4 ) and estradiol 17 β-D-glucuronide. A variety of ABCC10/MRP7 inhibitors, including cepharanthine, imatinib, erlotinib, tariquidar, and sildenafil, can reverse ABCC10/MRP7-mediated MDR. Additionally, the presence or absence of ABCC10/MRP7 is also closely related to renal tubular dysfunction, obesity, and other diseases. In this review, we discuss: 1) Structure and functions of ABCC10/MRP7; 2) Known substrates and inhibitors of ABCC10/MRP7 and their potential therapeutic applications in cancer; and 3) Role of ABCC10/MRP7 in non-cancerous diseases., Competing Interests: Declaration of Competing Interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: I am the senior associate editor of this journal, Dong-Hua Yang If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier Ltd. All rights reserved.)- Published
- 2024
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23. Profile of the gut microbiota of Pacific white shrimp under industrial indoor farming system.
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Li M, Ghonimy A, Chen DQ, Li JT, He YY, López Greco LS, Dyzenchauz F, and Chang ZQ
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- Animals, Agriculture, Farms, Water, Gastrointestinal Microbiome, Microbiota, Penaeidae
- Abstract
The gut microbial communities interact with the host immunity and physiological functions. In this study, we investigated the bacterial composition in Litopenaeus vannamei shrimp's gut and rearing water under different host (developmental stage: juvenile and adult; health status: healthy and diseased) and environmental factors (temperature 25 °C and 28 °C; and light intensity: low and high). The PCoA analysis showed that all water samples were clustered together in a quarter, whereas the gut samples spread among three quarters. In terms of functional bacteria, gut samples of adult shrimp, healthy adult shrimp, adult shrimp raised at 28 °C, and juvenile shrimp under high light intensity exhibited a higher abundance of Vibrionaceae compared to each other opposite group. Gut samples of juvenile shrimp, infected adult shrimp, juvenile shrimp with low light intensity, and adult shrimp with a water temperature of 25 °C showed a higher abundance of Pseudoaltromonadaceae bacteria compared to each other opposite group. Gut samples of juvenile shrimp, healthy adult shrimp, adult shrimp raised at a water temperature of 28 °C, and juvenile shrimp with high light intensity showed the higher abundance of Firmicutes/Bacteroidota ratio compared to each other opposite group. Our results showed that L. vannamei juveniles are more sensitive to bacterial infections; besides, water temperature of 28 °C and high light intensity groups were both important conditions improving the shrimp gut bacterial composition under industrial indoor farming systems. KEY POINTS: • Bacteria diversity was higher among shrimp intestinal microbiota compared to the rearing water. • Shrimp juveniles are more sensitive to bacterial infection compared to adults. • Water temperature of 28 °C and high light intensity are recommended conditions for white shrimp aquaculture., (© 2024. The Author(s).)
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- 2024
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24. Solid-state high harmonic spectroscopy for all-optical band structure probing of high-pressure quantum states.
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Hu SQ, Chen DQ, Du LL, and Meng S
- Abstract
High pressure has triggered various novel states/properties in condensed matter, as the most representative and dramatic example being near-room-temperature superconductivity in highly pressured hydrides (~200 GPa). However, the mechanism of superconductivity is not confirmed, due to the lacking of effective approach to probe the electronic band structure under such high pressures. Here, we theoretically propose that the band structure and electron-phonon coupling (EPC) of high-pressure quantum states can be probed by solid-state high harmonic generation (sHHG). This strategy is investigated in high-pressure Im-3m H
3 S by the state-of-the-art first-principles time-dependent density-functional theory simulations, where the sHHG is revealed to be strongly dependent on the electronic structures and EPC. The dispersion of multiple bands near the Fermi level is effectively retrieved along different momentum directions. Our study provides unique insights into the potential all-optical route for band structure and EPC probing of high-pressure quantum states, which is expected to be helpful for the experimental exploration of high-pressure superconductivity in the future., Competing Interests: Competing interests statement:The authors declare no competing interest.- Published
- 2024
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25. Morphologies and magnetic properties of α-Fe 2 O 3 nanoparticles calcined at different temperatures.
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He XM, Chen DQ, Su KY, Yu ZF, Zhang Y, and Zhong W
- Abstract
Different morphologies and sizes of α-Fe
2 O3 were prepared by a coprecipitation method using polyvinylpyrrolidone as a dispersant. In the preparation process, homogeneous and dispersed nanoscale FeOOH particles were first obtained by the coprecipitation method, and then the FeOOH particles were calcined at high temperature to form α-Fe2 O3 . The growth and aggregation of the α-Fe2 O3 particles at different calcination temperatures resulted in α-Fe2 O3 powders with diversiform morphologies (nanoscale microsphere, pinecone ellipsoidal, polyhedral, and quasi-spherical structures). By analyzing the SEM images, it was inferred that the polyhedral structure of α-Fe2 O3 particles was formed by the accumulation of rhomboid sheet structures and high-temperature growth. In terms of the magnetic properties, the samples belonged to the class of canted antiferromagnetic materials, and the morphology, particle size, and crystallite size of the α-Fe2 O3 particles were important factors affecting the coercivity. Among these, when the calcination temperature was increased from 700 °C to 800 °C, the growth rate of the particle size was significantly faster than that of the crystallite size, and the coercivity increased substantially from 1411 Oe to 2688 Oe.- Published
- 2024
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26. Evaluation of the Feasibility of In Vitro Metabolic Interruption of Trimethylamine with Resveratrol Butyrate Esters and Its Purified Monomers.
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Huang PH, Chen DQ, Chen YW, Shih MK, Lee BH, Tain YL, Hsieh CW, and Hou CY
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- Humans, Feasibility Studies, Resveratrol pharmacology, Butyrates pharmacology, Esters, Methylamines
- Abstract
Resveratrol (RSV), obtained from dietary sources, has been shown to reduce trimethylamine oxide (TMAO) levels in humans, and much research indicates that TMAO is recognized as a risk factor for cardiovascular disease. Therefore, this study investigated the effects of RSV and RSV-butyrate esters (RBE) on the proliferation of co-cultured bacteria and HepG2 cell lines, respectively, and also investigated the changes in trimethylamine (TMA) and TMOA content in the medium and flavin-containing monooxygenase-3 (FMO3) gene expression. This study revealed that 50 µg/mL of RBE could increase the population percentage of Bifidobacterium longum at a rate of 53%, while the rate was 48% for Clostridium asparagiforme . In contrast, co-cultivation of the two bacterial strains effectively reduced TMA levels from 561 ppm to 449 ppm. In addition, regarding TMA-induced HepG2 cell lines, treatment with 50 μM each of RBE, 3,4'-di-O-butanoylresveratrol (ED2), and 3-O-butanoylresveratrol (ED4) significantly reduced FMO3 gene expression from 2.13 to 0.40-1.40, which would also contribute to the reduction of TMAO content. This study demonstrated the potential of RBE, ED2, and ED4 for regulating TMA metabolism in microbial co-cultures and cell line cultures, which also suggests that the resveratrol derivative might be a daily dietary supplement that will be beneficial for health promotion in the future.
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- 2024
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27. Promising role of protein arginine methyltransferases in overcoming anti-cancer drug resistance.
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Zhu Y, Xia T, Chen DQ, Xiong X, Shi L, Zuo Y, Xiao H, and Liu L
- Subjects
- Humans, Protein-Arginine N-Methyltransferases genetics, Protein-Arginine N-Methyltransferases metabolism, Protein-Arginine N-Methyltransferases therapeutic use, Enzyme Inhibitors pharmacology, Enzyme Inhibitors therapeutic use, Arginine metabolism, Arginine therapeutic use, Tumor Microenvironment, Repressor Proteins therapeutic use, Antineoplastic Agents pharmacology, Antineoplastic Agents therapeutic use, Neoplasms drug therapy, Neoplasms genetics
- Abstract
Drug resistance remains a major challenge in cancer treatment, necessitating the development of novel strategies to overcome it. Protein arginine methyltransferases (PRMTs) are enzymes responsible for epigenetic arginine methylation, which regulates various biological and pathological processes, as a result, they are attractive therapeutic targets for overcoming anti-cancer drug resistance. The ongoing development of small molecules targeting PRMTs has resulted in the generation of chemical probes for modulating most PRMTs and facilitated clinical treatment for the most advanced oncology targets, including PRMT1 and PRMT5. In this review, we summarize various mechanisms underlying protein arginine methylation and the roles of specific PRMTs in driving cancer drug resistance. Furthermore, we highlight the potential clinical implications of PRMT inhibitors in decreasing cancer drug resistance. PRMTs promote the formation and maintenance of drug-tolerant cells via several mechanisms, including altered drug efflux transporters, autophagy, DNA damage repair, cancer stem cell-related function, epithelial-mesenchymal transition, and disordered tumor microenvironment. Multiple preclinical and ongoing clinical trials have demonstrated that PRMT inhibitors, particularly PRMT5 inhibitors, can sensitize cancer cells to various anti-cancer drugs, including chemotherapeutic, targeted therapeutic, and immunotherapeutic agents. Combining PRMT inhibitors with existing anti-cancer strategies will be a promising approach for overcoming anti-cancer drug resistance. Furthermore, enhanced knowledge of the complex functions of arginine methylation and PRMTs in drug resistance will guide the future development of PRMT inhibitors and may help identify new clinical indications., Competing Interests: Declaration of Competing Interest The researchers state that this investigation was carried out without any business or monetary connections that could be interpreted as possible conflicts of interest., (Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved.)
- Published
- 2024
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28. High-Spatiotemporal-Resolution Ultrasound Flow Imaging to Determine Cerebrovascular Hemodynamics in Alzheimer's Disease Mice Model.
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Huang H, Hsu PL, Tsai SF, Chuang YH, Chen DQ, Xu GX, Chen C, Kuo YM, and Huang CC
- Subjects
- Mice, Animals, Hemodynamics, Disease Models, Animal, Ultrasonography, Alzheimer Disease diagnostic imaging
- Abstract
Although the relationships of cerebrovascular hemodynamic dysfunction with neurodegenerative diseases remain unclear, many studies have indicated that poor cerebral perfusion accelerates the progression of neurodegenerative diseases, such as Alzheimer's disease (AD). Small animal models are widely used in AD research. However, providing an imaging modality with a high spatiotemporal resolution and sufficiently large field of view to assess cerebrovascular hemodynamics in vivo remains a challenge. The present study proposes a novel technique for high-spatiotemporal-resolution vector micro-Doppler imaging (HVμDI) based on contrast-free ultrafast high frequency ultrasound imaging to visualize the cerebrovascular hemodynamics of the mouse, with a data acquisition time of 0.4 s, a minimal detectable vessel size of 38 µm, and a temporal resolution of 500 Hz. In vivo experiments are conducted on wild-type and AD mice. Cerebrovascular hemodynamics are quantified using the cerebral vascular density, diameter, velocity, tortuosity, cortical flow pulsatility, and instant flow direction variations. Results reveal that AD significantly change the cerebrovascular hemodynamics. HVμDI offers new opportunities for in vivo analysis of cerebrovascular hemodynamics in neurodegenerative pathologies in preclinical animal research., (© 2023 The Authors. Advanced Science published by Wiley-VCH GmbH.)
- Published
- 2023
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29. Genetically predicted triglycerides mediate the relationship between type 2 diabetes Mellitus and intervertebral disc degeneration.
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Chen DQ, Xu WB, Chen X, Xiao KY, Que ZQ, Sun NK, Feng JY, and Rui G
- Subjects
- Humans, Genome-Wide Association Study, Mendelian Randomization Analysis, Triglycerides, Diabetes Mellitus, Type 2 genetics, Intervertebral Disc Degeneration genetics
- Abstract
Background: To validate the causal relationship between type 2 diabetes mellitus (T2DM) and intervertebral disc degeneration (IVDD) and to identify and quantify the role of triglycerides (TGs) as potential mediators., Methods: A two-sample Mendelian randomization (MR) analyses of T2DM (61,714 cases and 1178 controls) and IVDD (20,001 cases and 164,682 controls) was performed using genome-wide association studies (GWAS). Moreover, two-step MR was employed to quantify the proportionate impact of TG-mediated T2DM on IVDD., Results: MR analysis showed that T2DM increased IVDD risk (OR: 1.0466, 95% CI 1.0049-1.0899, P = 0.0278). Reverse MR analyses demonstrated that IVDD does not affect T2DM risk (P = 0.1393). The proportion of T2DM mediated through TG was 11.4% (95% CI 5.5%-17.4%)., Conclusion: This work further validates the causality between T2DM and IVDD, with a part of the effect mediated by TG, but the greatest impacts of T2DM on IVDD remain unknown. Further studies are needed to identify other potential mediators., (© 2023. The Author(s).)
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- 2023
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30. Comparison of Thyroglobulin and Thyroid Function in Pregnant Women between Counties with a Median Urinary Iodine Concentration of 100-149 µg/L and 150-249 µg/L.
- Author
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Chen DQ, Ye Y, Wu JN, Lan Y, Wang MH, Wu XY, He M, Wang LJ, Zheng XY, and Chen ZH
- Subjects
- Female, Humans, Pregnancy, Cross-Sectional Studies, Pregnant Women, Sodium Chloride, Dietary, Thyroid Gland, Thyrotropin, East Asian People, Iodine urine, Thyroglobulin
- Abstract
Objective: This study explored whether thyroglobulin and thyroid disease prevalence rates were higher in pregnant Chinese women with a median urinary iodine concentration of 100-149 µg/L, compared with those with a median urinary iodine concentration of 150-249 μg/L maintained through sustainable universal salt iodization., Methods: This was a cross-sectional study in which 812 healthy pregnant women were enrolled to collect samples of their household edible salt, urine, and blood during their routine antenatal care in the 18 counties in Fujian Province, China. The levels of salt iodine concentration, urinary iodine concentration (UIC), free triiodothyronine (FT3), free thyroid hormone (FT4), thyroid-stimulating hormone (TSH), thyroglobulin (Tg), thyroid peroxidase antibody and thyroglobulin antibody were assessed during the routine antenatal care visits., Results: The median UIC (mUIC) in pregnant women was 130.8 μg/L (interquartile range = 91.5-198.1 μg/L) in the counties with an mUIC of 100-149 μg/L (Group I), and 172.0 μg/L (interquartile range = 123.5-244.4 μg/L) in the counties with an mUIC of 150-249 μg/L (Group II). Goiter prevalence and thyroid nodule detection rates showed no difference between Group I and Group II ( P > 0.05). Except for FT4 values, the TSH, FT4, FT3, Tg and Tg values > 40 (μg/L) and the thyroid diseases prevalence rate (TDR) showed no significant differences between Group I and Group II ( P > 0.05), whether or not iodine supplementation measures were taken., Conclusion: Compared with an mUIC of 150-249 μg/L, not only there was no difference in thyroid morphology, but also the Tg value, rate of Tg values > 40 µg/L, and TDR were not higher in pregnant women in the counties with an mUIC of 100-149 μg/L achieved through sustainable universal salt iodization in Fujian Province, China., (Copyright © 2023 The Editorial Board of Biomedical and Environmental Sciences. Published by China CDC. All rights reserved.)
- Published
- 2023
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31. An unusual presentation of ossified spinal meningioma: case report and literature review.
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Xu WB, Sun NK, Cai DX, Chen DQ, Niu Y, Jia F, Lin GX, and Rui G
- Abstract
Background: Spinal meningioma is a common intraspinal tumor, which mainly occurs in the thoracic spine. Ossified meningioma (OSM) is an extremely rare histological variant. Our article reports a rare patient with dorsal complete OSM and reviews this subject., Case Presentation: A 68-year-old woman presented with a one-year history of progressive weakness in both lower limbs with gait disturbance. Physical examination revealed hypoesthesia with a sensory level below T10. Babinski and pathological signs on both sides were weakly positive. Magnetic resonance imaging (MRI) showed a mass at the T10 to T11 level causing severe compression of the spinal cord. Computed tomography (CT) showed complete ossification of the mass. 18F-Fluoro-deoxy-glucose positron emission tomography CT (18F-FDG PET/CT) scan combined with MRI revealed that the mass was an intradural extramedullary high-density ossified nodule. The patient underwent a gross total resection of the mass and pathologic examination indicated that the mass was a meningioma with diffused psammomatous bodies., Conclusion: We identified a rare case of dorsal complete OSM occurring in a 68-year-old woman. After complete surgical resection, although there were complications such as cerebral fluid leakage and fever, the patient finally recovered with a satisfactory result., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Xu, Sun, Cai, Chen, Niu, Jia, Lin and Rui.)
- Published
- 2023
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32. Deciphering pathological behavior of pediatric medullary thyroid cancer from single-cell perspective.
- Author
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Chen DQ, Zhou EQ, Chen HF, Zhan Y, Ye CJ, Li Y, Dai SY, Wang JF, Chen L, Dong KR, and Dong R
- Subjects
- Humans, Child, Tumor Microenvironment genetics, Thyroid Neoplasms genetics, Carcinoma, Neuroendocrine genetics
- Abstract
Background: Pediatric medullary thyroid cancer (MTC) is one of the rare pediatric endocrine neoplasms. Derived from C cells of thyroid glands, MTC is more aggressive and more prompt to metastasis than other types of pediatric thyroid cancer. The mechanism remains unclear., Methods: We performed single-cell transcriptome sequencing on the samples of the primary tumor and metastases lymph nodes from one patient diagnosed with MTC, and it is the first single-cell transcriptome sequencing data of pediatric MTC. In addition, whole exome sequencing was performed and peripheral blood was regarded as a normal reference. All cells that passed quality control were merged and analyzed in R to discover the association between tumor cells and their microenvironment as well as tumor pathogenesis., Results: We first described the landscape of the single-cell atlas of MTC and studied the interaction between the tumor cell and its microenvironment. C cells, identified as tumor cells, and T cells, as the dominant participant in the tumor microenvironment, were particularly discussed in their development and interactions. In addition, the WES signature of tumor cells and their microenvironment were also described. Actively immune interactions were found, indicating B cells, T cells and myeloid cells were all actively participating in immune reaction in MTC. T cells, as the major components of the tumor microenvironment, proliferated in MTC and could be divided into clusters that expressed proliferation, immune effectiveness, and naive markers separately., Competing Interests: The authors declare there are no competing interests., (©2023 Chen et al.)
- Published
- 2023
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33. Giant acceleration of polaron transport by ultrafast laser-induced coherent phonons.
- Author
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Wang HM, Liu XB, Hu SQ, Chen DQ, Chen Q, Zhang C, Guan MX, and Meng S
- Abstract
Polaron formation is ubiquitous in polarized materials, but severely hampers carrier transport for which effective controlling methods are urgently needed. Here, we show that laser-controlled coherent phonon excitation enables orders of magnitude enhancement of carrier mobility via accelerating polaron transport in a prototypical material, lithium peroxide (Li
2 O2 ). The selective excitation of specific phonon modes, whose vibrational pattern directly overlap with the polaronic lattice deformation, can remarkably reduce the energy barrier for polaron hopping. The strong nonadiabatic couplings between the electronic and ionic subsystem play a key role in triggering the migration of polaron, via promoting phonon-phonon scattering in q space within sub-picoseconds. These results extend our understanding of polaron transport dynamics to the nonequilibrium regime and allow for optoelectronic devices with ultrahigh on-off ratio and ultrafast responsibility, competitive with those of state-of-the-art devices fabricated based on free electron transport.- Published
- 2023
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34. Lessons Learned From the Comprehensive Care for Joint Replacement Model at an Academic Tertiary Center: The Good, the Bad, and the Ugly.
- Author
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Chen DQ, Parvataneni HK, Miley EN, Deen JT, Pulido LF, Prieto HA, and Gray CF
- Subjects
- Aged, Humans, United States, Medicare, Hospitals, Benchmarking, Comprehensive Health Care, Arthroplasty, Replacement, Patient Care Bundles, Arthroplasty, Replacement, Hip
- Abstract
Background: Our institution participated in the Comprehensive Care for Joint Replacement (CJR) model from 2016 to 2020. Here we review lessons learned from a total joint arthroplasty (TJA) care redesign at a tertiary academic center amid changing: (1) CJR rules; (2) inpatient only rules; and (3) outpatient trends., Methods: Quality, financial, and patient demographic data from the years prior to and during participation in CJR were obtained from institutional and Medicare reconciled CJR performance data., Results: Despite an increase in true outpatients and new challenges that arose from changing inpatient-only rules, there was significant improvement in quality metrics: decreased length of stay (3.48-1.52 days, P < .001), increased home discharge rate (70.2-85.5%, P < .001), decreased readmission rate (17.7%-5.1%, P < .001), decreased complication rate (6.5%-2.0%, P < .001), and the Centers for Medicare and Medicaid Services (CMS) Composite Quality Score increased from 4.4 to 17.6. Over the five year period, CMS saved an estimated $8.3 million on 1,486 CJR cases, $7.5 million on 1,351 non-CJR cases, and $600,000 from the voluntary classification of 371 short-stay inpatients as outpatient-a total savings of $16.4 million. Despite major physician time and effort leading to marked improvements in efficiency, quality, and large cost savings for CMS, CJR participation resulted in a net penalty of $304,456 to our institution, leading to zero physician gainsharing opportunities., Conclusion: The benefits of CJR were tempered by malalignment of incentives among payer, hospital, and physician as well as a lack of transparency. Future payment models should be refined based on the successes and challenges of CJR., (Copyright © 2023 Elsevier Inc. All rights reserved.)
- Published
- 2023
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35. Pan-cancer analysis of the intervertebral-disc-degeneration-related innate immunity gene NAIP.
- Author
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Xu WB, Kotheeranurak V, Chen DQ, Sun NK, Cai DX, Chen CM, Lin GX, and Rui G
- Subjects
- Humans, Chromosome Mapping, Databases, Factual, Immunity, Innate genetics, Neuronal Apoptosis-Inhibitory Protein, Intervertebral Disc Degeneration genetics, Carcinoma
- Abstract
Background: Intervertebral disc degeneration (IDD) is a progressive chronic condition that commonly causes low back pain. Cancer is among the primary reasons for deaths worldwide. Our purpose was to identify the characteristic genes of IDD and explore the potential association between IDD and cancer., Methods: Immune cell infiltration and differentially expressed analysis were conducted utilizing data from the GSE124272 database. Enrichment analysis of differentially expressed genes (DEGs) was performed to explore the possible mechanisms underlying IDD development. Moreover, weighted gene correlation network analysis (WGCNA) was applied to select IDD-related hub genes. The immune-related key genes were determined by intersecting DEGs, IDD-related hub genes, and immune genes. Subsequently, machine learning models based on these genes were built to identify and verify the characteristic genes. RNA sequencing and clinical data of 33 carcinoma categories were obtained from the Cancer Genome Atlas (TCGA). The association between NAIP expression and prognosis was calculated using the Kaplan-Meier analysis. To gain a deeper understanding of the impact of NAIP in tumor immunotherapy, the association between NAIP and immune infiltration and two immunotherapeutic biomarkers were explored. Ultimately, the association between NAIP and immunotherapeutic response was investigated utilizing two independent cohorts., Results: NAIP was identified as an immune-related characteristic gene between IDD and normal intervertebral disc tissue. In certain carcinoma categories, NAIP expression levels were elevated (4/33) and significantly correlated to the respective tumor stage (4/21). Survival analysis revealed that the expression levels of NAIP have prognostic significance in different cancer types. Generally, NAIP presented a strong association with immune cell infiltration and modulators. NAIP may influence immunotherapy effects through tumor mutational burden and microsatellite instability. No remarkable association between NAIP and immunotherapy response was found in either cohort., Conclusion: Our study is the first to identify NAIP as an immune-related characteristic gene. Pan-cancer analysis revealed that NAIP could serve as a novel clinical prognostic marker and therapeutic target for a variety of carcinoma categories, reducing the risk of IDD in tumor patients., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2023 Xu et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2023
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36. Poricoic acid A suppresses renal fibroblast activation and interstitial fibrosis in UUO rats via upregulating Sirt3 and promoting β-catenin K49 deacetylation.
- Author
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Chen DQ, Chen L, Guo Y, Wu XQ, Zhao TT, Zhao HL, Zhang HJ, Yan MH, Zhang GQ, and Li P
- Subjects
- Animals, Mice, Rats, Fibroblasts, Fibrosis drug therapy, Fibrosis pathology, Kidney pathology, Molecular Docking Simulation, Signal Transduction, Transforming Growth Factor beta1 metabolism, Ureteral Obstruction complications, Ureteral Obstruction drug therapy, Ureteral Obstruction metabolism, beta Catenin chemistry, beta Catenin metabolism, Kidney Diseases drug therapy, Kidney Diseases pathology, Sirtuin 3 drug effects, Sirtuin 3 metabolism, Triterpenes pharmacology, Triterpenes therapeutic use
- Abstract
Renal interstitial fibrosis is the common pathological process of various chronic kidney diseases to end-stage renal disease. Inhibition of fibroblast activation attenuates renal interstitial fibrosis. Our previous studies show that poricoic acid A (PAA) isolated from Poria cocos is a potent anti-fibrotic agent. In the present study we investigated the effects of PAA on renal fibroblast activation and interstitial fibrosis and the underlying mechanisms. Renal interstitial fibrosis was induced in rats or mice by unilateral ureteral obstruction (UUO). UUO rats were administered PAA (10 mg·kg
-1 ·d-1 , i.g.) for 1 or 2 weeks. An in vitro model of renal fibrosis was established in normal renal kidney fibroblasts (NRK-49F cells) treated with TGF-β1. We showed that PAA treatment rescued Sirt3 expression, and significantly attenuated renal fibroblast activation and interstitial fibrosis in both the in vivo and in vitro models. In TGF-β1-treated NRK-49F cells, we demonstrated that Sirt3 deacetylated β-catenin (a key transcription factor of fibroblast activation) and then accelerated its ubiquitin-dependent degradation, thus suppressing the protein expression and promoter activity of pro-fibrotic downstream target genes (twist, snail1, MMP-7 and PAI-1) to alleviate fibroblast activation; the lysine-49 (K49) of β-catenin was responsible for Sirt3-mediated β-catenin deacetylation. In molecular docking analysis, we found the potential interaction of Sirt3 and PAA. In both in vivo and in vitro models, pharmacological activation of Sirt3 by PAA significantly suppressed renal fibroblast activation via facilitating β-catenin K49 deacetylation. In UUO mice and NRK-49F cells, Sirt3 overexpression enhanced the anti-fibrotic effect of PAA, whereas Sirt3 knockdown weakened the effect. Taken together, PAA attenuates renal fibroblast activation and interstitial fibrosis by upregulating Sirt3 and inducing β-catenin K49 deacetylation, highlighting Sirt3 functions as a promising therapeutic target of renal fibroblast activation and interstitial fibrosis., (© 2022. The Author(s).)- Published
- 2023
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37. High-frequency ultrasound imaging for monitoring the function of meningeal lymphatic system in mice.
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Mee-Inta O, Hsieh CF, Chen DQ, Fan CH, Chiang YY, Liu CC, Sze CI, Gean PW, Wu PC, Yang MS, Huang PS, Chieh Wu P, Kuo YM, and Huang CC
- Subjects
- Mice, Animals, Contrast Media, Lymphatic System diagnostic imaging, Ultrasonography, Lymph Nodes pathology, Lymphatic Vessels diagnostic imaging
- Abstract
The meningeal lymphatic system drains the cerebrospinal fluid from the subarachnoid space to the cervical lymphatic system, primarily to the deep cervical lymph nodes. Perturbations of the meningeal lymphatic system have been linked to various neurologic disorders. A method to specifically monitor the flow of meningeal lymphatic system in real time is unavailable. In the present study, we adopted the high-frequency ultrasound (HFUS) with 1,1'diocatadecyl-3,3,3',3'-tetramethylindocarbocyanine perchlorate (DiI)-loaded microbubble and FePt@PLGA nanoparticle contrast agents to evaluate the flow of the meningeal lymphatic system in 2-month-old mice. Statistical analysis was performed to identify changes of HFUS signals among the microbubbles, FePt@PLGA nanoparticles, and saline control groups. Approximately 15 min from the start of intracerebroventricular injection of contrast agents, their signals were evident at the deep cervical lymph nodes and lasted for at least 60 min. These signals were validated on the basis of the presence of DiI and Fe signals in the deep cervical lymph nodes. Ligation of afferent lymphatic vessels to the deep cervical lymph nodes eliminated the HFUS signals. Moreover, ablation of lymphatic vessels near the confluence of sinuses decreased the HFUS signals in the deep cervical lymph nodes. Glioma-bearing mice that exhibited reduced lymphatic vessel immunostaining signals near the confluence of sinuses had lowered HFUS signals in the deep cervical lymph nodes within 60 min. The proposed method provides a minimally invasive approach to monitor the qualities of the meningeal lymphatic system in real time as well as the progression of the meningeal lymphatic system in various brain disease animal models., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier B.V. All rights reserved.)
- Published
- 2023
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38. Identification and diagnosis of mammographic malignant architectural distortion using a deep learning based mask regional convolutional neural network.
- Author
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Liu Y, Tong Y, Wan Y, Xia Z, Yao G, Shang X, Huang Y, Chen L, Chen DQ, and Liu B
- Abstract
Background: Architectural distortion (AD) is a common imaging manifestation of breast cancer, but is also seen in benign lesions. This study aimed to construct deep learning models using mask regional convolutional neural network (Mask-RCNN) for AD identification in full-field digital mammography (FFDM) and evaluate the performance of models for malignant AD diagnosis., Methods: This retrospective diagnostic study was conducted at the Second Affiliated Hospital of Guangzhou University of Chinese Medicine between January 2011 and December 2020. Patients with AD in the breast in FFDM were included. Machine learning models for AD identification were developed using the Mask RCNN method. Receiver operating characteristics (ROC) curves, their areas under the curve (AUCs), and recall/sensitivity were used to evaluate the models. Models with the highest AUCs were selected for malignant AD diagnosis., Results: A total of 349 AD patients (190 with malignant AD) were enrolled. EfficientNetV2, EfficientNetV1, ResNext, and ResNet were developed for AD identification, with AUCs of 0.89, 0.87, 0.81 and 0.79. The AUC of EfficientNetV2 was significantly higher than EfficientNetV1 (0.89 vs. 0.78, P=0.001) for malignant AD diagnosis, and the recall/sensitivity of the EfficientNetV2 model was 0.93., Conclusion: The Mask-RCNN-based EfficientNetV2 model has a good diagnostic value for malignant AD., Competing Interests: Author YT was employed by the Shanghai Yanghe Huajian Artificial Intelligence Technology Co., Ltd, Shanghai, China. Author DC was employed by AI Research Lab, Boston Meditech Group, Burlington, USA. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Liu, Tong, Wan, Xia, Yao, Shang, Huang, Chen, Chen and Liu.)
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- 2023
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39. Adding functional properties to beer with jasmine tea extract.
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Chen DQ, Zou C, Huang YB, Zhu X, Contursi P, Yin JF, and Xu YQ
- Abstract
Hops provide the characteristic bitter taste and attractive aroma to beer; in this study, hops were replaced by jasmine tea extract (JTE) during late-hopping. The addition of JTE improved the beer foam stability 1.52-fold, and increased the polyphenol and organic acid contents. Linalool was the most important aroma compound in hopped (HOPB) and jasmine tea beer (JTB), but other flavor components were markedly different, including dimeric catechins, flavone/flavonol glycosides, and bitter acids and derivatives. Sensory evaluation indicated that addition of JTE increased the floral and fresh-scent aromas, reduced bitterness and improved the organoleptic quality of the beer. The antioxidant capacity of JTB was much higher than that of HOPB. The inhibition of amylase activity by JTB was 30.5% higher than that of HOPB. Functional properties to beer were added by substituting jasmine tea extract for hops during late hopping., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Chen, Zou, Huang, Zhu, Contursi, Yin and Xu.)
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- 2023
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40. Impact of tea leaves categories on physicochemical, antioxidant, and sensorial profiles of tea wine.
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Zou C, Chen DQ, He HF, Huang YB, Feng ZH, Chen JX, Wang F, Xu YQ, and Yin JF
- Abstract
Introduction: Tea is the main raw material for preparing tea wine., Methods: In this research, four types of tea wine were prepared using different categories of tea leaves, including green tea, oolong tea, black tea, and dark tea, and the comparative study looking their physicochemical, sensorial, and antioxidant profiles were carried out., Results: The dynamic changes of total soluble solids, amino acids and ethanol concentrations, and pH were similar in four tea wines. The green tea wine (GTW) showed the highest consumption of total soluble solids and amino acids, and produced the highest concentrations of alcohol, malic, succinic, and lactic acid among all tea wines. The analysis of volatile components indicated the number and concentration of esters and alcohols increased significantly after fermentation of tea wines. GTW presented the highest volatile concentration, while oolong tea wine (OTW) showed the highest number of volatile compounds. GTW had the highest total catechins concentration of 404 mg/L and the highest ABTS value (1.63 mmol TEAC/mL), while OTW showed the highest DPPH value (1.00 mmol TEAC/mL). Moreover, OTW showed the highest score of sensory properties., Discussion: Therefore, the types of tea leaves used in the tea wine production interfere in its bioactive composition, sensorial, and antioxidant properties., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Zou, Chen, He, Huang, Feng, Chen, Wang, Xu and Yin.)
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- 2023
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41. First Detection and Molecular Identification of Entamoeba bovis in Farm-Raised Sika Deer from Anhui Province, China.
- Author
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Liu XC, Ren Q, Guo J, Chen DQ, Li QQ, Luo XY, Gu YF, and Li WC
- Subjects
- Animals, Female, Male, China epidemiology, Farms, Phylogeny, Ruminants, Sequence Analysis, DNA veterinary, Deer parasitology, Entamoeba genetics
- Abstract
Background: Protozoans of Entamoeba spp. are one of the most common enteric parasites that infect humans and diverse animals including deer., Purpose: However, data regarding the prevalence and species/genotypes of Entamoeba spp. in deer in China is scarce. This study investigated the prevalence and species distribution of Entamoeba spp. in sika deer (Cervus nippon) in Anhui Province., Methods: In our survey, 336 fecal samples were collected from five sika deer farms in different regions of Anhui Province. All samples were examined for the presence of Entamoeba spp. by PCR and phylogenetic analysis of the conserved 18S rRNA gene., Results: 106/336 (31.5%) fecal samples were positive for Entamoeba spp. A statistically significant difference in the prevalence of Entamoeba spp. infection was observed between sampling farms (p < 0.001), and the prevalence of Entamoeba spp. in male and female sika deer showed no significant difference (p > 0.05). Sequence and phylogenetic analysis revealed the single species, E. bovis, was identified in this study., Conclusion: This is the first report about the identification of E. bovis in farm-raised sika deer in China, and these results expand our understanding of host range and species distribution of Entamoeba spp. in ruminants., (© 2022. The Author(s) under exclusive licence to Witold Stefański Institute of Parasitology, Polish Academy of Sciences.)
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- 2022
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42. What influences the implementation of kangaroo mother care? An umbrella review.
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Cai Q, Chen DQ, Wang H, Zhang Y, Yang R, Xu WL, and Xu XF
- Subjects
- Infant, Newborn, Humans, Child, Infant, Premature, Systematic Reviews as Topic, Infant, Low Birth Weight, Government Programs, Kangaroo-Mother Care Method
- Abstract
Background: Kangaroo mother care (KMC) is an evidence-based intervention that reduces morbidity and mortality in preterm infants. However, it has not yet been fully integrated into health systems around the world. The aim of this study is to provide a cogent summary of the evidence base of the key barriers and facilitators to implementing KMC., Methods: An umbrella review of existing reviews on KMC was adopted to identify systematic and scoping reviews that analysed data from primary studies. Electronic English databases, including PubMed, Embase, CINAHL and Cochrane Library, and three Chinese databases were searched from inception to 1 July 2022. Studies were included if they performed a review of barriers and facilitators to KMC. Quality assessment of the retrieved reviews was performed by at least two reviewers independently using the Joanna Briggs Institute (JBI) critical appraisal checklist and risk of bias was assessed with the Risk of Bias Assessment Tool for Systematic Reviews (ROBIS) tool. This umbrella review protocol was documented in the PROSPERO registry (CRD42022327994)., Results: We generated 531 studies, and after the removal of duplicates and ineligible studies, six eligible reviews were included in the analysis. The five themes identified were environmental factors, professional factors, parent/family factors, access factors, and cultural factors, and the factors under each theme were divided into barriers or facilitators depending on the specific features of a given scenario., Conclusions: Support from facility management and leadership and well-trained medical staff are of great significance to the successful integration of KMC into daily medical practice, while the parents of preterm infants and other family members should be educated and encouraged in KMC practice. Further research is needed to propose strategies and develop models for implementing KMC., (© 2022. The Author(s).)
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- 2022
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43. Progress of oncolytic virotherapy for neuroblastoma.
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Chen XT, Dai SY, Zhan Y, Yang R, Chen DQ, Li Y, Zhou EQ, and Dong R
- Abstract
As a neuroendocrine tumor derived from the neural crest, neuroblastoma (NB) is the most common extracranial solid tumor in children. The prognosis in patients with low- and intermediate-risk NB is favorable while that in high-risk patients is often detrimental. However, the management of the considerably large proportion of high-risk patients remains challenging in clinical practice. Among various new approaches, oncolytic virus (OV) therapy offers great advantages in tumor treatment, especially for high-risk NB. Genetic modified OVs can target NB specifically without affecting normal tissue and avoid the widespread drug resistance issue in anticancer monotherapy. Meanwhile, its safety profile provides great potential in combination therapy with chemo-, radio-, and immunotherapy. The therapeutic efficacy of OV for NB is impressive from bench to bedside. The effectiveness and safety of OVs have been demonstrated and reported in studies on children with NB. Furthermore, clinical trials on some OVs (Celyvir, Pexa-Vec (JX-594) and Seneca Valley Virus (NTX-010)) have reported great results. This review summarizes the latest evidence in the therapeutic application of OVs in NB, including those generated in cell lines, animal models and clinical trials., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (© 2022 Chen, Dai, Zhan, Yang, Chen, Li, Zhou and Dong.)
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- 2022
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44. Therapeutic mechanism and clinical application of Chinese herbal medicine against diabetic kidney disease.
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Chen DQ, Wu J, and Li P
- Abstract
Diabetic kidney disease (DKD) is the major complications of type 1 and 2 diabetes, and is the predominant cause of chronic kidney disease and end-stage renal disease. The treatment of DKD normally consists of controlling blood glucose and improving kidney function. The blockade of renin-angiotensin-aldosterone system and the inhibition of sodium glucose cotransporter 2 (SGLT2) have become the first-line therapy of DKD, but such treatments have been difficult to effectively block continuous kidney function decline, eventually resulting in kidney failure and cardiovascular comorbidities. The complex mechanism of DKD highlights the importance of multiple therapeutic targets in treatment. Chinese herbal medicine (active compound, extract and formula) synergistically improves metabolism regulation, suppresses oxidative stress and inflammation, inhibits mitochondrial dysfunction, and regulates gut microbiota and related metabolism via modulating GLP-receptor, SGLT2, Sirt1/AMPK, AGE/RAGE, NF-κB, Nrf2, NLRP3, PGC-1α, and PINK1/Parkin pathways. Clinical trials prove the reliable evidences for Chinese herbal medicine against DKD, but more efforts are still needed to ensure the efficacy and safety of Chinese herbal medicine. Additionally, the ideal combined therapy of Chinese herbal medicine and conventional medicine normally yields more favorable benefits on DKD treatment, laying the foundation for novel strategies to treat DKD., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Chen, Wu and Li.)
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- 2022
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45. Intrarenal 1-methoxypyrene, an aryl hydrocarbon receptor agonist, mediates progressive tubulointerstitial fibrosis in mice.
- Author
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Cao G, Miao H, Wang YN, Chen DQ, Wu XQ, Chen L, Guo Y, Zou L, Vaziri ND, Li P, and Zhao YY
- Subjects
- Mice, Animals, Receptors, Aryl Hydrocarbon genetics, Fibrosis, RNA, Messenger, Kidney Diseases drug therapy, Kidney Diseases metabolism, Ureteral Obstruction complications
- Abstract
Recent studies have shown that endogenous metabolites act via aryl hydrocarbon receptor (AhR) signalling pathway in tubulointerstitial fibrosis (TIF) pathogenesis. However, the mechanisms underlying endogenous metabolite-mediated AhR activation are poorly characterised. In this study, we conducted untargeted metabolomics analysis to identify the significantly altered intrarenal metabolites in a mouse model of unilateral ureteral obstruction (UUO). We found that the levels of the metabolite 1-methoxypyrene (MP) and the mRNA expression of AhR and its target genes CYP1A1, CYP1A2, CYP1B1 and COX-2 were progressively increased in the obstructed kidney at Weeks 1, 2 and 3. Furthermore, these changes were positively correlated with progressive TIF in UUO mice. In NRK-52E, RAW 264.7 and NRK-49F cells, MP dose-dependently upregulated the mRNA expression of AhR and its four target genes and the protein expression of nuclear AhR, accompanied by the upregulated protein expression of collagen I, α-SMA and fibronectin, as well as downregulated E-cadherin expression. Consistently, oral administration of MP in mice progressively enhanced AhR activity and upregulated profibrotic protein expression in the kidneys; these effects were partially inhibited by AhR knockdown in MP-treated mice and cell lines. In addition, we screened and identified erythro-guaiacylglycerol-β-ferulic acid ether (GFA), which was isolated from Semen plantaginis, as a new AhR antagonist. GFA significantly attenuated TIF in MP-treated NRK-52E cells and mice by partially antagonising AhR activity. Our results suggest that MP activates AhR signalling, thus mediating TIF through epithelial-mesenchymal transition and macrophage-myofibroblast transition. MP is a crucial metabolite that contributes to TIF via AhR signalling pathway., (© 2022. The Author(s), under exclusive licence to Shanghai Institute of Materia Medica, Chinese Academy of Sciences and Chinese Pharmacological Society.)
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- 2022
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46. Small molecules as modulators of regulated cell death against ischemia/reperfusion injury.
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Chen DQ, Guo Y, Li X, Zhang GQ, and Li P
- Subjects
- Apoptosis, Humans, Ischemia complications, Signal Transduction, Regulated Cell Death, Reperfusion Injury drug therapy, Reperfusion Injury metabolism, Reperfusion Injury pathology
- Abstract
Ischemia/reperfusion (IR) injury contributes to disability and mortality worldwide. Due to the complicated mechanisms and lack of proper therapeutic targets, few interventions are available that specifically target the pathogenesis of IR injury. Regulated cell death (RCD) of endothelial and parenchymal cells is recognized as the promising intervening target. Recent advances in IR injury suggest that small molecules exhibit beneficial effects on various RCD against IR injury, including apoptosis, necroptosis, autophagy, ferroptosis, pyroptosis, and parthanatos. Here, we describe the mechanisms behind these novel promising therapeutic targets and explain the machinery powering the small molecules. These small molecules exert protection by targeting endothelial or parenchymal cells to alleviate IR injury. Therapies of the ideal combination of small molecules targeting multiple cell types have shown potent synergetic therapeutic effects, laying the foundation for novel strategies to attenuate IR injury., (© 2022 Wiley Periodicals LLC.)
- Published
- 2022
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47. [Clinical Comparative Analysis of Early-Onset Preeclampsia Combined with HELLP Syndrome].
- Author
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Chen MF, Chen XN, Zhang ZW, and Chen DQ
- Subjects
- Pregnancy, Infant, Newborn, Female, Humans, Retrospective Studies, Pregnancy Trimester, Second, Platelet Count, HELLP Syndrome diagnosis, Pre-Eclampsia diagnosis, Hypertension
- Abstract
Objective: To explore the clinical characteristics of early-onset preeclampsia (PE) combined with HELLP (hemolysis, elevated liver enzymes, and low platelets) syndrome, and to improve the capacity for early diagnosis and treatment., Methods: Pregnant women who received treatment at Women's Hospital, School of Medicine, Zhejiang University between March 2014 and October 2021 were retrospectively enrolled. There were two patient groups, the HELLP group consisting of 70 cases of early-onset PE combined with HELLP syndrome and the control group consisting of 140 cases of early-onset PE without HELLP syndrome. Patients in the two groups were matched by age. The general clinical data, characteristics of pathogenesis, and laboratory findings of the patients were collected and the perinatal outcomes of the two groups were compared and analyzed., Results: 1) There was no significant difference in gravidity, pre-delivery body mass index, years from the last delivery, and family history of diabetes mellitus and hypertension between the two groups. 2) The highest systolic blood pressure, highest diastolic blood pressure during the pregnancy, and the postpartum hospital length-of-stay ( P <0.001) in the HELLP group were higher than those in the control group. The gestational age at the time of the diagnosis of PE ( P =0.001) and the gestational age at delivery ( P <0.001) in the HELLP group were significantly earlier than those in the control group. The difference between the gestational age at the time of blood pressure elevation and that at the time of delivery ( P <0.001), and the gestational age difference between the diagnosis of early-onset PE and delivery ( P =0.027) were lower than those in the control group. The incidences of eclampsia in the HELLP group, pleural effusion, and ascites were higher than those of the control group. 3) Neonates in the HELLP group had a higher probability of being admitted to NICU and developing cyanotic/pale asphyxia ( P <0.001). 4) Before the termination of pregnancy, the HELLP group had higher levels of alanine aminotransferase, aspartate aminotransferase, total bilirubin, creatinine, urea, random glucose, lactate dehydrogenase, activated partial thromboplastin time, and the last 24-hour urine protein quantification than those of the control group (all P <0.05), while the platelet (PLT) counts were significantly lower than those of the control group ( P <0.001). 5) There was a significant correlation between PLT counts in the second trimester and the onset of HELLP syndrome ( P =0.006), with the area under the ROC curve reaching 0.746 (95% CI : 0.596-0.897)., Conclusion: In comparison with early-onset PE patients without HELLP syndrome, patients with early-onset PE combined with HELLP syndrome are diagnosed for PE at an earlier gestational age, have higher blood pressure, are more prone to serious pregnancy complications, and have longer postpartum hospital length-of-stay and worse neonatal outcomes. Close monitoring of PLT counts of early-onset PE patients in the second trimester may help predict subsequent HELLP syndrome., (Copyright© by Editorial Board of Journal of Sichuan University (Medical Sciences).)
- Published
- 2022
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48. Editorial: New insights into renal fibrosis and therapeutic effects of natural products volume II.
- Author
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Chen DQ, Guo Y, Guo ZY, and Tang YP
- Published
- 2022
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49. Molecular prevalence of Tetratrichomonas gallinarum and Trichomonas gallinae in three domestic free-range poultry breeds in Anhui Province, China.
- Author
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Chen DQ, Luo XY, Li QQ, Pan JC, Zhang H, Gu YY, Kan ZZ, Huang JM, Fang Z, Liu XC, Gu YF, and Li WC
- Subjects
- Animals, Chickens, Ducks, Phylogeny, Poultry, Prevalence, Bird Diseases epidemiology, Trichomonadida, Trichomonas genetics, Trichomonas Infections epidemiology, Trichomonas Infections veterinary
- Abstract
Tetratrichomonas gallinarum and Trichomonas gallinae can colonize the alimentary tract of domestic birds. However, little information is available on the epidemiology of the two trichomonad species in domestic free-range poultry in China. In this study, the occurrence and genetic characteristic of T. gallinarum and T. gallinae among free-range chickens, ducks, and geese in Anhui Province, China, were investigated. The 1910 fecal samples collected from 18 free-range poultry farms throughout Anhui Province were examined for the presence of T. gallinarum and T. gallinae by PCR and sequence analysis of the small subunit (SSU) rRNA gene of T. gallinarum and ITS1-5.8S-ITS2 sequence of T. gallinae. The overall occurrence of T. gallinarum in poultry was 1.2% (22/1910), with infection rates of 2.1% (17/829) in chickens, 0.2% (1/487) in ducks, and 0.7% (4/594) in geese. The constructed phylogeny tree using the concatenated ITS1-5.8S-ITS2 region and SSU rRNA indicated the T. gallinarum isolates detected in this study were closely related to previously defined genogroups A, D, and E, respectively. Nine (0.5%) fecal samples were positive for T. gallinae, with infection rates of 0.8% (7/829) in chickens, 0.4% (2/487) in ducks, and 0% (0/594) in geese. Sequence and phylogenetic analysis showed that four T. gallinae ITS1-5.8S-ITS2 sequences obtained from chicken feces and one duck fecal sample belonged to genotype ITS-OBT-Tg-1. This is the first report of the prevalence and genetic characterization of T. gallinarum and T. gallinae in free-range chickens, ducks, and geese in China., (© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2022
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50. Proteomics profiling of ertapenem challenged major porin deficient carbapenem-resistant Klebsiella pneumoniae.
- Author
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Yuan PB, Ling JH, Zhu JH, Peng C, Chen EZ, Zhong YX, Liu WT, Wang LJ, Yang L, and Chen DQ
- Subjects
- ATP-Binding Cassette Transporters metabolism, Anti-Bacterial Agents pharmacology, Antioxidants metabolism, Bacterial Proteins metabolism, Carbapenems metabolism, Carbapenems pharmacology, Ertapenem metabolism, Ertapenem pharmacology, Humans, Microbial Sensitivity Tests, Proteomics methods, beta-Lactamase Inhibitors metabolism, beta-Lactamases genetics, beta-Lactamases metabolism, beta-Lactams metabolism, beta-Lactams pharmacology, Klebsiella pneumoniae drug effects, Klebsiella pneumoniae genetics, Klebsiella pneumoniae metabolism, Porins genetics, Porins metabolism, beta-Lactam Resistance genetics
- Abstract
Carbapenem-resistant Klebsiella pneumoniae (CRKP) is an urgent threat to human health. Major outer membrane proteins (OMPs) porin mutation is one important resistance mechanism of CRKP, and may also affect the inhibition activity of β-lactam and β-lactamase inhibitor combinations. The ertapenem-resistant K. pneumoniae strain 2018B120 with major porin mutations was isolated from a clinical patient. Genomic and time-series proteomic analyses were conducted to retrieve the ertapenem-challenged response of 2018B120. The abundance changing of proteins from PTS systems, ABC transporters, the autoinducer 2 (AI-2) quorum sensing system, and antioxidant systems can be observed. Overexpression of alternative porins was also noticed to balance major porins' defection. These findings added a detailed regulation network in bacterial resistance mechanisms and gave new insights into bypass adaptation mechanisms the porin deficient bacteria adopted under carbapenem antibiotics pressure. SIGNIFICANCE: Outer membrane porins deficiency is an important mechanism of carbapenem resistance in K. pneumoniae. Comprehensive genomic and proteomic profiling of an ertapenem-resistant K. pneumoniae strain 2018B120 gives a detailed systematic regulation network in bacterial resistance mechanisms. Overexpression of alternative porins to balance major porins' defection was noticed, giving new insights into bypass adaptation mechanisms of porin deficient bacteria., Competing Interests: Declaration of Competing Interest The authors declare no conflict of interest., (Copyright © 2022 Elsevier B.V. All rights reserved.)
- Published
- 2022
- Full Text
- View/download PDF
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