86 results on '"Duo Shen"'
Search Results
2. Construction of a prognostic model for disulfidptosis-related long noncoding RNAs in R0 resected hepatocellular carcinoma and analysis of their impact on malignant behavior
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Xuefeng Gu, Yanyan Wei, Duo Shen, and Yuan Mao
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Hepatocellular carcinoma ,Disulfidptosis ,Long noncoding RNA ,R0 resection ,Bioinformatics ,Malignant biological behaviours ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract Background Disulfidptosis is an emerging form of cellular death resulting from the binding of intracellular disulfide bonds to actin cytoskeleton proteins. This study aimed to investigate the expression and prognostic significance of hub disulfidptosis-related lncRNAs (DRLRs) in R0 resected hepatocellular carcinoma (HCC) as well as their impact on the malignant behaviour of HCC cells. Methods A robust signature for R0 resected HCC was constructed using least absolute shrinkage and selection operator (LASSO) and multivariate Cox regression and was validated in an independent internal validation cohort to predict the prognosis of R0 HCC patients. Comprehensive bioinformatics analysis was performed on the hub DRLRs (KDM4A-AS1, MKLN1-AS, and TMCC1-AS1), followed by experimental validation using quantitative real-time polymerase chain reaction (qRT‒PCR) and cellular functional assays. Results The signature served as an independent prognostic factor applicable to R0 HCC patients across different age groups, tumour stages, and pathological characteristics. Gene Ontology (GO) and gene set enrichment analysis (GSEA) revealed hub pathways associated with this signature. The high-risk group presented an increased abundance of M0 macrophages and activated memory CD4 T cells as well as elevated macrophage and major histocompatibility complex (MHC) class I expression. High-risk R0 HCC patients also presented increased tumour immune dysfunction and exclusion scores (TIDEs), mutation frequencies, and tumour mutational burdens (TMBs). Drug sensitivity analysis revealed that high-risk patients were more responsive to drugs, including GDC0810 and osimertinib. High expression levels of the three hub DRLRs were detected in R0 HCC tissues and HCC cell lines. Functional assays revealed that the three hub DRLRs enhanced HCC cell proliferation, migration, and invasion. Conclusions A signature was constructed on the basis of three DRLRs, providing novel insights for personalized precision therapy in R0 HCC patients. Graphical Abstract
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- 2024
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3. Conjugate Polymer Anchor Enhancing Matrix Vacuum Stability and Improving MALDI MSI via Ion Bond
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Xi Yu, Junyu Chen, Zhengzhou Li, Duo Shen, Huihui Liu, and Zongxiu Nie
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conjugate polymer anchor ,MALDI MSI ,matrix ,vacuum stability ,Science - Abstract
Abstract Poor vacuum stability limits the application of many matrices in matrix‐assisted laser desorption/ionization mass spectrometry imaging (MALDI MSI) that requires long‐term measurement duration in high vacuum. In this study, a new approach using conjugate polymer anchor to protect unstable matrix from volatilizing in MALDI source based on ion bond is provided. Unlike strong covalent bonds which often introduce unnecessary groups, the weaker ion bonds are more conducive to breaking under laser radiation while effectively preventing matrix volatilization in a vacuum environment. The results confirm that conjugate polymer anchor will neither introduce additional ion peaks nor affect signal intensity, yet maintains comparable quantification properties. Vacuum stability of three kinds of typical matrices is enhanced using polymer anchors, and the in situ MALDI MS imaging of mouse brain and liver cancer is improved significantly.
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- 2024
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4. Identification of a novel peptide targeting TIGIT to evaluate immunomodulation of 125I seed brachytherapy in HCC by near-infrared fluorescence
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Peng Zeng, Duo Shen, Wenbin Shu, Shudan Min, Min Shu, Xijuan Yao, Yong Wang, and Rong Chen
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hepatocellular carcinoma ,TIGIT ,125I seed brachytherapy ,peptide ,NIRF ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
IntroductionHepatocellular carcinoma (HCC) has very poor prognosis due to its immunosuppressive properties. An effective measure to regulate tumor immunity is brachytherapy, which uses 125I seeds planted into tumor. T cell immune receptors with immunoglobulin and ITIM domains (TIGIT) is highly expressed in HCC. The TIGIT-targeted probe is expected to be an effective tool for indicating immunomodulation of 125I seed brachytherapy in HCC. In this study, We constructed a novel peptide targeting TIGIT to evaluate the immune regulation of 125I seed brachytherapy for HCC by near-infrared fluorescence (NIRF).MethodsExpression of TIGIT by immunofluorescence (IF) and flow cytometry (FCM) in different part and different differentiated human liver cancer tissues was verified. An optical fluorescence probe (Po-12) containing a NIRF dye and TIGIT peptide was synthesized for evaluating the modulatory effect of 125I seed brachytherapy. Lymphocytes uptake by Po-12 were detected by FCM and confocal microscopy. The distribution and accumulation of Po-12 in vivo were explored by NIRF imaging in subcutaneous and orthotopic tumors. IHC and IF staining were used to verify the expression of TIGIT in the tumors.ResultsTIGIT was highly expressed in HCC and increased with tumor differentiation. The dye-labeled peptide (Po-12) retained a stable binding affinity for the TIGIT protein in vitro. Accumulation of fluorescence intensity (FI) increased with time extended in subcutaneous H22 tumors, and the optimal point is 1 h. TIGIT was highly expressed on lymphocytes infiltrated in tumors and could be suppressed by 125I seed brachytherapy. Accumulation of Po-12-Cy5 was increased in tumor-bearing groups while declined in 125I radiation group.
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- 2023
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5. miRNA‐10a‐5p inhibits cell metastasis in hepatocellular carcinoma via targeting SKA1
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Duo Shen, Hong‐Yu Zhao, Ai‐Dong Gu, Yin‐Wei Wu, Yu‐Hang Weng, Shu‐Jie Li, Jin‐Yun Song, Xue‐Feng Gu, Jie Qiu, and Wei Zhao
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epithelial–mesenchymal transition ,hepatocellular carcinoma ,miR‐10a‐5p ,SKA1 ,Medicine (General) ,R5-920 - Abstract
Abstract A variety of microRNAs (miRNAs) are involved in the occurrence and development of hepatocellular carcinoma (HCC). However, the role of miR‐10a‐5p in the progression of HCC remains unclear. Therefore, the purpose of this study was to determine the role of miR‐10a‐5p in the development of HCC and the possible molecular mechanism. miR‐10a‐5p expression in HCC tissues and plasma from patients was detected by quantitative real‐time polymerase chain reaction. Migratory changes in HCC cells were detected after the overexpression of miR‐10a‐5p. Epithelial–mesenchymal transition (EMT)‐related proteins were detected by Western blot. Finally, through luciferase assay and rescue experiments, the mechanism by which miR‐10a‐5p regulates its downstream gene, human spindle and kinetochore‐associated complex subunit 1, SKA1 and the interaction between these molecules in the development of HCC were determined. The expression of miR‐10a‐5p was markedly downregulated in HCC tissues, cell lines, and plasma. The overexpression of miR‐10a‐5p significantly inhibited the migration, invasion, and EMT of HCC cells. Furthermore, SKA1 was shown to be a downstream gene of miR‐10a‐5p. SKA1 silencing had the same effect as miR‐10a‐5p overexpression in HCC. In particular, the overexpression of SKA1 reversed the inhibitory effects of miR‐10a‐5p in HCC. Taken together, low miR‐10a‐5p expression is associated with HCC progression. miR‐10a‐5p inhibits the malignant development of HCC by negatively regulating SKA1.
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- 2021
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6. The outcomes of one-stage treatment for multiple knee ligament injuries combined with extensor apparatus rupture
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Daohong Zhao, Zhongde Yang, Changsha Wu, Jia Zhong, Xizong Zhou, Jinghua Li, Yan Li, Yongsheng Lu, and Duo Shen
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Multiple knee ligament injuries ,Extensor apparatus rupture ,Diseases of the musculoskeletal system ,RC925-935 - Abstract
Abstract Background Multiple knee ligament injuries combined with extensor apparatus rupture are serious and complex knee injuries that are rare in clinical practice. The management is extremely challenging and controversial. The aim of this study is to describe a patient collective with multiple knee ligament injuries combined with extensor apparatus injuries in detail and to report the mid-term outcomes of a one-stage surgical treatment regarding subjective outcome scores, complications, knee instability, and ROM. Methods Eleven of 425 patients with multiple knee ligament injuries combined with extensor apparatus injuries admitted to our hospital were reviewed from July 2008 to May 2017. All patients underwent one-stage repair and reconstruction of multiple knee ligaments and extensor apparatus. The Lysholm knee score and the International Knee Documentation Committee (IKDC) score were adopted to evaluate the surgical effect preoperatively and at a minimum of 2 years’ follow-up. Clinical data, including range of motion and knee stability, were also recorded at the final follow-up. Results Ten patients were followed up with a mean time of 40 (range, 24–60) months. At the last follow-up, 8 patients had joint flexion range of motion greater than or equal to120 degrees, 2 patients had joint flexion range of motion of 100–120 degrees, and 1 patient had active knee extension limitation of 5 degrees. Stress radiographs showed that the mean differences in posterior displacement were reduced from 10.8 ± 3.0 mm preoperatively to 2.0 ± 2.5 mm at the last follow-up. There were significant improvements in stress radiographs from pre- to postoperative states for all patients with multiple knee ligament injuries. The Lysholm score ranged from 85 to 96, with a mean of 92.1 (compared with 33 before surgery, P
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- 2020
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7. Neutrophils and Lymphocytes Can Help Distinguish Asymptomatic COVID-19 From Moderate COVID-19
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Xuefeng Gu, Ling Sha, Shaofeng Zhang, Duo Shen, Wei Zhao, and Yongxiang Yi
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COVID-19 ,logistic regression ,asymptomatic infection ,neutrophils ,lymphocytes ,DCA ,Microbiology ,QR1-502 - Abstract
IntroductionAsymptomatic coronavirus disease 2019 (COVID-19) and moderate COVID-19 may be the most common COVID-19 cases. This study was designed to develop a diagnostic model for patients with asymptomatic and moderate COVID-19 based on demographic, clinical, and laboratory variables.MethodsThis retrospective study divided the subjects into 2 groups: asymptomatic COVID-19 (without symptoms, n = 15) and moderate COVID-19 (with symptoms, n = 57). Demographic characteristics, clinical data, routine blood tests, other laboratory tests, and inpatient data were collected and analyzed to compare patients with asymptomatic COVID-19 and moderate COVID-19.ResultsComparison of the asymptomatic COVID-19 group with the moderate COVID-19 group yielded the following results: the patients were younger (P = 0.045); the cluster of differentiation (CD)8+ (cytotoxic) T cell level was higher (P = 0.017); the C-reactive protein (CRP) level was lower (P = 0.001); the white blood cell (WBC, P < 0.001), neutrophil (NEU, P = 0.036), lymphocyte (LYM, P = 0.009), and eosinophil (EOS, P = 0.036) counts were higher; and the serum iron level (P = 0.049) was higher in the asymptomatic COVID-19 group. The multivariate analysis showed that the NEU count (odds ratio [OR] = 2.007, 95% confidence interval (CI): 1.162 - 3.715, P = 0.014) and LYM count (OR = 9.380, 95% CI: 2.382 - 36.934, P = 0.001) were independent factors for the presence of clinical symptoms after COVID-19 infection. The NEU count and LYM count were diagnostic predictors of asymptomatic COVID-19. This diagnostic prediction model showed high discriminatory power, consistency, and net clinical benefits.ConclusionsThe proposed model can distinguish asymptomatic COVID-19 from moderate COVID-19, thereby helping clinicians identify and distinguish patients with potential asymptomatic COVID-19 from those with moderate COVID-19.
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- 2021
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8. Information gap based knowledge distillation for occluded facial expression recognition.
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Yan Zhang, Zenghui Li, Duo Shen, Ke Wang, Jia Li, and Chenxing Xia
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- 2025
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9. Monthly runoff prediction based on variational modal decomposition combined with the dung beetle optimization algorithm for gated recurrent unit model
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Wen-Chao, Ban, Liang-Duo, Shen, Liang, Chen, and Chu-Tian, Xu
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- 2023
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10. Cross-Domain Extreme Learning Machine for Classification of Hyperspectral Images.
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Duo Shen and Li Ma
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- 2019
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11. Circular RNA circ_0001459 accelerates hepatocellular carcinoma progression via the miR‐6165/IGF1R axis
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Duo, Shen, Hongyu, Zhao, Peng, Zeng, Meiling, Ge, Sachinmulmi, Shrestha, and Wei, Zhao
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Gene Expression Regulation, Neoplastic ,MicroRNAs ,Carcinoma, Hepatocellular ,History and Philosophy of Science ,Cell Line, Tumor ,General Neuroscience ,Liver Neoplasms ,Humans ,RNA, Circular ,In Situ Hybridization, Fluorescence ,General Biochemistry, Genetics and Molecular Biology ,Cell Proliferation ,Receptor, IGF Type 1 - Abstract
An increasing amount of evidence shows that circular RNAs (circRNAs) have critical effects on cancer progression and development; however, the biological function and potential molecular mechanism of circRNAs in hepatocellular carcinoma (HCC) are still unclear. CircRNA sequencing was used to identify differentially expressed circRNAs between HCC tissue and adjacent normal tissue. We found that circ_0001459 expression was significantly elevated in HCC tissue and cell lines. Furthermore, in vitro and in vivo functional experiments were carried out to detect the effects of circ_0001459 on HCC growth and metastasis. Knockdown of circ_0001459 significantly inhibited the proliferation, migration, and invasion of HCC cells, whereas upregulation of circ_0001459 had the opposite effect. Moreover, bioinformatics analysis, dual-luciferase reporter assay, RNA immunoprecipitation, and fluorescence in situ hybridization assays were used to predict and verify the interaction between circ_0001459, miR-6165, and the target gene IGF1R. Downregulation of circ_0001459 decreased IGF1R expression and inhibited epithelial-to-mesenchymal transition, which could be rescued by treatment with a miR-6165 inhibitor. Mechanistically, we revealed that circ_0001459 could sponge miR-6165 and induce the upregulation of its downstream target IGF1R, thus significantly promoting the progression of HCC. Therefore, circ_0001459 could be a new potential therapeutic target for HCC patients.
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- 2022
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12. Circular RNA hsa_circ_0005556 Accelerates Gastric Cancer Progression by Sponging miR-4270 to Increase MMP19 Expression
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Wei Zhao, Hong-Yu Zhao, Xue-Feng Gu, Jin-Yun Song, Qinghua Ji, Peng Zeng, Yiqiong Yang, and Duo Shen
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Cancer Research ,miRNA sponge ,medicine.disease_cause ,03 medical and health sciences ,0302 clinical medicine ,Downregulation and upregulation ,Medicine ,MMP19 ,business.industry ,Competing endogenous RNA ,Cell growth ,Gastroenterology ,Cancer ,medicine.disease ,Real-time polymerase chain reaction ,Oncology ,030220 oncology & carcinogenesis ,Cancer cell ,Cancer research ,030211 gastroenterology & hepatology ,Original Article ,business ,Carcinogenesis ,Gastric cancer ,CircRNAs - Abstract
Purpose Circular RNAs (circRNAs) are a new class of RNA molecules whose function is largely unknown. There is a growing evidence that circRNAs play an important regulatory role in the progression of a variety of human cancers. However, the exact roles and the mechanisms of circRNAs in gastric cancer are not clear. In this study, we aimed to elucidate the mechanism of hsa_circ_0005556. Materials and methods Real-time quantitative polymerase chain reaction was used to detect the expression of hsa_circ_0005556, miR-4270, and matrix metalloproteinase-19 (MMP19) in gastric cancer tissues and cell lines. The expression of hsa_circ_0005556 in gastric cancer cells was silenced by lentivirus, and cell proliferation, invasion, migration, and tumorigenesis in nude mice were assessed to evaluate the function of hsa_circ_0005556 in gastric cancer. Results The expression of hsa_circ_0005556 in gastric cancer tissues and gastric cancer cell lines was higher compared to normal controls. In vitro, the downregulation of hsa_circ_0005556 significantly inhibited proliferation, migration, and invasion of gastric cancer cells. In vivo, the downregulation of hsa_circ_0005556 suppressed tumor growth in nude mice. Conclusions Our study shows that the hsa_circ_0005556/miR-4270/MMP19 axis is involved in proliferation, migration, and invasion of gastric cancer cells through the competing endogenous RNA (ceRNA) mechanism.
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- 2020
13. Effects of Baicalin on ATP Levels in the Prefrontal Cortex of Mice Exposed to Chronic Unpredictable Mild Stress
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Shuai-fei Lu, Xiao-hui Jin, Lei-Lei Zhu, Ji-duo Shen, Ming Bai, Yu-cheng Li, and Er-ping Xu
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- 2022
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14. Roles of the Neuron-Restrictive Silencer Factor in the Pathophysiological Process of the Central Nervous System
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Xin-Jin Su, Bei-Duo Shen, Kun Wang, Qing-Xin Song, Xue Yang, De-Sheng Wu, Hong-Xing Shen, and Chao Zhu
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Cell Biology ,Developmental Biology - Abstract
The neuron-restrictive silencer factor (NRSF), also known as repressor element 1 (RE-1) silencing transcription factor (REST) or X2 box repressor (XBR), is a zinc finger transcription factor that is widely expressed in neuronal and non-neuronal cells. It is a master regulator of the nervous system, and the function of NRSF is the basis of neuronal differentiation, diversity, plasticity, and survival. NRSF can bind to the neuron-restrictive silencer element (NRSE), recruit some co-repressors, and then inhibit transcription of NRSE downstream genes through epigenetic mechanisms. In neurogenesis, NRSF functions not only as a transcriptional silencer that can mediate the transcriptional inhibition of neuron-specific genes in non-neuronal cells and thus give neuron cells specificity, but also as a transcriptional activator to induce neuronal differentiation. Many studies have confirmed the association between NRSF and brain disorders, such as brain injury and neurodegenerative diseases. Overexpression, underexpression, or mutation may lead to neurological disorders. In tumorigenesis, NRSF functions as an oncogene in neuronal tumors, such as neuroblastomas, medulloblastomas, and pheochromocytomas, stimulating their proliferation, which results in poor prognosis. Additionally, NRSF-mediated selective targets gene repression plays an important role in the development and maintenance of neuropathic pain caused by nerve injury, cancer, and diabetes. At present, several compounds that target NRSF or its co-repressors, such as REST-VP16 and X5050, have been shown to be clinically effective against many brain diseases, such as seizures, implying that NRSF and its co-repressors may be potential and promising therapeutic targets for neural disorders. In the present review, we introduced the biological characteristics of NRSF; reviewed the progress to date in understanding the roles of NRSF in the pathophysiological processes of the nervous system, such as neurogenesis, brain disorders, neural tumorigenesis, and neuropathic pain; and suggested new therapeutic approaches to such brain diseases.
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- 2021
15. Identification of a novel peptide targeting TIGIT to evaluate immunomodulation of 125I seed brachytherapy in HCC by near-infrared fluorescence.
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Peng Zeng, Duo Shen, Wenbin Shu, Shudan Min, Min Shu, Xijuan Yao, Yong Wang, and Rong Chen
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PEPTIDES ,RADIOISOTOPE brachytherapy ,T cell receptors ,FLUORESCENCE ,IMMUNOGLOBULIN receptors - Abstract
Introduction: Hepatocellular carcinoma (HCC) has very poor prognosis due to its immunosuppressive properties. An effective measure to regulate tumor immunity is brachytherapy, which uses 125I seeds planted into tumor. T cell immune receptors with immunoglobulin and ITIM domains (TIGIT) is highly expressed in HCC. The TIGIT-targeted probe is expected to be an effective tool for indicating immunomodulation of
125 I seed brachytherapy in HCC. In this study, We constructed a novel peptide targeting TIGIT to evaluate the immune regulation of 125I seed brachytherapy for HCC by near-infrared fluorescence (NIRF). Methods: Expression of TIGIT by immunofluorescence (IF) and flow cytometry (FCM) in different part and different differentiated human liver cancer tissues was verified. An optical fluorescence probe (Po-12) containing a NIRF dye and TIGIT peptide was synthesized for evaluating the modulatory effect of 125I seed brachytherapy. Lymphocytes uptake by Po-12 were detected by FCM and confocal microscopy. The distribution and accumulation of Po-12 in vivo were explored by NIRF imaging in subcutaneous and orthotopic tumors. IHC and IF staining were used to verify the expression of TIGIT in the tumors. Results: TIGIT was highly expressed in HCC and increased with tumor differentiation. The dye-labeled peptide (Po-12) retained a stable binding affinity for the TIGIT protein in vitro. Accumulation of fluorescence intensity (FI) increased with time extended in subcutaneous H22 tumors, and the optimal point is 1 h. TIGIT was highly expressed on lymphocytes infiltrated in tumors and could be suppressed by125 I seed brachytherapy. Accumulation of Po-12-Cy5 was increased in tumor-bearing groups while declined in 125I radiation group. [ABSTRACT FROM AUTHOR]- Published
- 2023
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16. Berberine attenuates fructose-induced insulin resistance by stimulating the hepatic LKB1/AMPK/PGC1α pathway in mice
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Ji-Duo Shen, Bao-Ying Wang, Yu-Cheng Li, Ming Bai, and Erping Xu
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Male ,Berberine ,Pharmaceutical Science ,Context (language use) ,RM1-950 ,Fructose ,AMP-Activated Protein Kinases ,Protein Serine-Threonine Kinases ,Pharmacology ,030226 pharmacology & pharmacy ,01 natural sciences ,Article ,Mice ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,Insulin resistance ,AMP-Activated Protein Kinase Kinases ,Drug Discovery ,medicine ,Animals ,heterocyclic compounds ,Mice, Inbred ICR ,Dose-Response Relationship, Drug ,Mechanism (biology) ,Alkaloid ,AMPK ,General Medicine ,Insulin sensitivity ,alkaloid ,medicine.disease ,Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha ,Hedgehog signaling pathway ,0104 chemical sciences ,010404 medicinal & biomolecular chemistry ,Liver ,Complementary and alternative medicine ,chemistry ,signalling pathway ,Molecular Medicine ,Therapeutics. Pharmacology ,Insulin Resistance ,metabolic homeostasis ,Protein Kinases ,Signal Transduction - Abstract
Context: Berberine is an alkaloid that possesses various pharmacologic effects. Objective: To explore the mechanism of berberine to improve insulin sensitivity in fructose-fed mice. Materials and methods: Sixty male ICR mice were randomly divided into 6 groups (10 mice in each group): control, fructose, pioglitazone (10 mg/kg) and berberine (50, 100, and 200 mg/kg). Except for the control group, the mice received 20% fructose drinking for 10 weeks. Pioglitazone and berberine were orally administered once daily during the last 4 weeks. The insulin sensitivity was evaluated using an oral glucose tolerance test (OGTT). The serum levels of fasting glucose and insulin, blood lipids, and hormones were determined. The hepatic AMP and ATP contents were detected using high performance liquid chromatography (HPLC) analysis, and the protein expression was examined by immunoblotting. Results: Berberine significantly reversed the insulin resistance induced by fructose, including lowering fasting insulin levels (from 113.9 to 67.4) and area under the curve (AUC) during OGTT (from 1310 to 1073), decreasing serum leptin (from 0.28 to 0.13) and increasing serum adiponectin levels (from 1.50 to 2.80). Moreover, berberine enhanced the phosphorylation levels of protein kinase B (PKB/AKT; 2.27-fold) and glycogen synthase kinase-3β (GSK3β; 2.56-fold), and increased hepatic glycogen content (from 0.19 to 1.65). Furthermore, berberine upregulated the protein expression of peroxisome proliferator activated receptor gamma coactivator 1α (PGC1α; 2.61-fold), phospho-AMP-activated protein kinase (p-AMPK; 1.35-fold) and phospho-liver kinase B1 (p-LKB1; 1.41-fold), whereas it decreased the AMP/ATP ratio (from 4.25 to 1.82). Conclusion: The present study demonstrated the protective effects of berberine against insulin resistance induced by fructose. Our findings may provide an experimental basis for the application of berberine in the treatment of insulin resistance.
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- 2020
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17. Arthroscopically assisted treatment for nonconcentric reduction of hip posterior dislocation caused by acetabular labrum rim fracture: Medium-term clinical and radiological outcomes
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Yuhao Zhang, Bo Zhao, Duo Shen, Daohong Zhao, Jun Zhang, Zhaowei Jiang, and Hong Chen
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Adult ,Male ,Reoperation ,medicine.medical_specialty ,WOMAC ,Adolescent ,Radiography ,Osteoarthritis ,Arthroscopy ,Young Adult ,03 medical and health sciences ,0302 clinical medicine ,medicine ,Hip Dislocation ,Humans ,Orthopedics and Sports Medicine ,030222 orthopedics ,medicine.diagnostic_test ,Hip Fractures ,Acetabular labrum ,business.industry ,Postoperative complication ,Acetabulum ,030229 sport sciences ,medicine.disease ,Osteotomy ,Surgery ,Treatment Outcome ,medicine.anatomical_structure ,Radiological weapon ,Female ,Hip Joint ,Posterior dislocation ,business - Abstract
Nonconcentric reduction of hip posterior dislocation caused by the acetabular labrum rim fracture is rare. There has been very little study on the feasibility of arthroscopically treatment and medium and mid-term evaluation to this pathology. The objectives of the current study were: (1) Is the arthroscopically assisted technique feasible to this manage this injury? (2) What is the effectiveness of arthroscopic treatment for nonconcentric reduction of hip posterior dislocation caused by acetabular labrum rim fracture.Arthroscopically assisted procedure is an alternative treatment modality for nonconcentric reduction of hip posterior dislocation caused by acetabular labrum rim fracture.Thirteen of 257 posterior hip dislocations who were admitted to our hospital from February 2008 to March 2017 were included: 9 males and 4 females, with an average age of 23.7 (15-36) years. All of them underwent hip posterior dislocation and nonconcentric reduction related to acetabular labrum rim fracture. All of them had arthroscopic reduction and fixation of the rim fracture. Visual Analogic Score (VAS) score, modified Harris score, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score and the last follow-up radiographs were analyzed respectively. Postoperative complication and the need for secondary operation were recorded during the process.The incidence rate of this pathology was nearly 5%. Twelve out of 13 patients were followed up for an average of 42 (range, 26-68) months. At the final follow-up, VAS score was decreased from 5.2±0.9 (range, 4.0-6.1) preoperatively to 0.5±0.5 (range, 0.0-1.0) (p0.0001), modified Harris score and WOMAC score were increased statistically significant from 32±8 (range, 28-40) and 30±5 (range, 25-35) to 94±5 (range, 89-99) and 95±4 (range, 91-99) respectively (p0.0001). All patients have had completely concentric reduction and returned to activities of daily life. There was not any hip arthroscopic complication such as sciatic nerve injury and intra-abdominal fluid extravasation. Besides, there were no aseptic necrosis and revision case.Arthroscopically assisted procedure is an alternative treatment modality for nonconcentric reduction of hip posterior dislocation caused by the acetabular labrum rim fracture without surgical dislocation procedure. Good clinical results can be achieved without any complications related to the surgical procedure.Level IV, therapeutic case series.
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- 2019
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18. Construction and Validation of an Immune-Related Gene Prognostic Index for Esophageal Squamous Cell Carcinoma
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Wei Zhao, Qinghua Ji, Duo Shen, Ruihua Shi, Sachin Mulmi Shrestha, and Yingying Cai
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Oncology ,medicine.medical_specialty ,Esophageal Neoplasms ,Article Subject ,Gene Expression ,Receptors, Nicotinic ,medicine.disease_cause ,Esophageal squamous cell carcinoma ,Biomarkers, Pharmacological ,General Biochemistry, Genetics and Molecular Biology ,Receptors, G-Protein-Coupled ,Internal medicine ,Claudin-1 ,Databases, Genetic ,medicine ,Humans ,Cytotoxic T cell ,Gene Regulatory Networks ,Gene ,BRCA2 Protein ,Mutation ,General Immunology and Microbiology ,business.industry ,Proportional hazards model ,Gene Expression Profiling ,Computational Biology ,General Medicine ,Prognosis ,Gene Expression Regulation, Neoplastic ,Real-time polymerase chain reaction ,Medicine ,Biomarker (medicine) ,Esophageal Squamous Cell Carcinoma ,Carrier Proteins ,Transcriptome ,business ,FNBP1L ,Research Article - Abstract
Immune checkpoint inhibitor (ICI) therapy may benefit patients with advanced esophageal squamous cell carcinoma (ESCC); however, novel biomarkers are needed to help predict the response of patients to treatment. Differentially expressed immune-related genes within The Cancer Genome Atlas ESCC dataset were selected using the weighted gene coexpression network and lasso Cox regression analyses. Based on these data, an immune-related gene prognostic index (IRGPI) was constructed. The molecular characteristics of the different IRGPI subgroups were assessed using mutation information and gene set enrichment analysis. Differences in immune cell infiltration and the response to ICI therapy and other drugs were also analyzed. Additionally, tumor and adjacent control tissues were collected from six patients with ESCC and the expression of these genes was verified using real-time quantitative polymerase chain reaction. IRGPI was designed based on CLDN1, HCAR3, FNBP1L, and BRCA2, the expression of which was confirmed in ESCC samples. The prognosis of patients in the high-IRGPI group was poor, as verified using publicly available expression data. KMT2D mutations were more common in the high-IRGPI group. Enrichment analysis revealed an active immune response, and immune infiltration assessment showed that the high-IRGPI group had an increased infiltration degree of CD8 T cells, which contributed to the improved response to ICI treatment. Collectively, these data demonstrate that IRGPI is a robust biomarker for predicting the prognosis and response to therapy of patients with ESCC.
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- 2021
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19. Clinical Application of a New Assessment Tool for Myelopathy Hand Using Virtual Reality
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Quan Li, Wei-Zhong Zhang, De-Sheng Wu, Xin-Jin Su, Hongxing Shen, Bei-Duo Shen, and Cang-Long Hou
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Adult ,Male ,medicine.medical_specialty ,Cross-sectional study ,Spinal Cord Diseases ,03 medical and health sciences ,Myelopathy ,Young Adult ,0302 clinical medicine ,Physical medicine and rehabilitation ,Spinal cord compression ,medicine ,Humans ,Orthopedics and Sports Medicine ,Aged ,030222 orthopedics ,Receiver operating characteristic ,medicine.diagnostic_test ,Hand Strength ,business.industry ,Ratio value ,Curve analysis ,Virtual Reality ,Magnetic resonance imaging ,Middle Aged ,medicine.disease ,Hand ,Magnetic Resonance Imaging ,Cross-Sectional Studies ,Orthopedic surgery ,Cervical Vertebrae ,Female ,Neurology (clinical) ,business ,Spinal Cord Compression ,030217 neurology & neurosurgery - Abstract
Study design A cross-sectional study. Objective To assess the effectiveness of a new assessment tool, myelopathy-hand functional evaluation system (MFES), in evaluating the hand dysfunction of patients with cervical myelopathy in the 10-second grip-and-release test (10 second G-R test). Summary of background data Clumsy fingers movement is a common symptom of myelopathy patients. Evaluating the impaired hand function can provide a strong basis in assessing the severity of myelopathy. Currently, no objective and effective evaluation method is widely accepted in clinical practice. Methods MFES mainly consists of a pair of wise-gloves and a computer with software. One hundred and ninety-eight consecutive participants were asked to wear the wise-gloves and then perform 10 seconds G-R test. The movements of each finger were recorded by MFES and converted into waveforms. Relevant waveform parameters were measured and analyzed. The Japanese Orthopedics Association (JOA) scores of each patient were marked and the maximum spinal cord compression (MSCC) was measured on midsagittal T2-weighted magnetic resonance imaging (MRI). Results Myelopathy patients had a lower number of G-R cycles and a longer time per cycle than healthy subjects. There were significant differences in adduction and abduction time in patients with JOA scores greater than 6, but not in healthy subjects and patients with JOA scores less than 6. The waveforms of ulnar three fingers in myelopathy patients were lower and wider than those in healthy individuals. The average ratio value of wave height to wave width (a/b) could quantitatively reflect such differences of waveforms. According to receiver operating characteristic (ROC) curve analysis, the optimal threshold value of the normal average ratio was more than 1.92. The average a/b value was correlated with the JOA scores of the motor function in the upper extremities (r = 0.842). Conclusion MFES appears to be an objective and quantitative assessment tool for patients with cervical myelopathy. Level of evidence 3.
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- 2020
20. Clinical outcomes of acute displaced posterior cruciate ligament tibial avulsion fracture: A retrospective comparative study between the arthroscopic suture and EndoButton fixation techniques
- Author
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Shiqiang Gui, Donggang Qian, Yan Li, Jinghua Li, Daohong Zhao, Jia Zhong, Bo Zhao, Duo Shen, Weiping Hu, and Chao Liu
- Subjects
Knee function ,medicine.medical_specialty ,Avulsion ,03 medical and health sciences ,Fixation (surgical) ,Arthroscopy ,0302 clinical medicine ,Assessment data ,medicine ,Humans ,Orthopedics and Sports Medicine ,Retrospective Studies ,Fibrous joint ,030222 orthopedics ,medicine.diagnostic_test ,Sutures ,business.industry ,Avulsion fracture ,Suture Techniques ,030229 sport sciences ,medicine.disease ,Surgery ,Tibial Fractures ,medicine.anatomical_structure ,Fractures, Avulsion ,Treatment Outcome ,Posterior cruciate ligament ,Posterior Cruciate Ligament ,business - Abstract
Background Tibial avulsion fracture of the posterior cruciate ligament is not rare in the clinic. Arthroscopic treatment is increasingly accepted, but the choice of fixation has been debated. This study aims to compare the clinical outcomes of suture and EndoButton fixation under arthroscopy for acute displaced posterior cruciate ligament avulsion fractures. Methods A total 68 of 83 PCL tibial avulsion fracture cases from 2009 to 2016 were retrospectively reviewed. Some patients received arthroscopic suture initially, and later the others received arthroscopic EndoButton fixation. Associated lesions were treated if present. The Lysholm and International Knee Documentation Committee (IKDC) scores, KT-1000 arthrometry and plain radiography were evaluated at follow-up. The assessment data at two years of follow-up were used for comparing the two different fixation groups. Results The follow-up time of 63 patients was more than 2 years. In total, 32 of the 63 patients were in the suture group, and 31 were in the EndoButton group. At two years of follow-up, knee function according to the Lysholm score was a mean of 92.5 with a 95% confidence interval [CI] of 89.45 to 96.40 in the suture group and a mean of 93.5 with a 95% CI of 90.52 to 97.28 in the EndoButton group (P=.785). More than 90% of patients in both groups rated their knee function as normal or nearly normal on IKDC subjective evaluation. KT-1000 arthrometry showed that there was no difference between the two groups, with 0 to 3 mm of laxity in 91% of the cases in the suture group versus 90% of cases in the EndoButton group. All patients achieved bony healing within 3 months. No significant complications were noted in the study. Conclusions Both the arthroscopic suture and EndoButton fixation methods for acute displaced posterior cruciate ligament avulsion fractures resulted in comparably good clinical outcomes, radiologic healing, and stable knees at mid-term follow-up. Level of evidence III; retrospective comparative study.
- Published
- 2020
21. Emerging Opportunities for Combining Locoregional Therapy with Immune Checkpoint Inhibitors in Hepatocellular Carcinoma
- Author
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Peng Zeng, Gao-Jun Teng, Chu-Hui Zeng, Duo Shen, and Xiao-Feng Chang
- Subjects
0301 basic medicine ,Oncology ,Sorafenib ,medicine.medical_specialty ,Carcinoma, Hepatocellular ,medicine.medical_treatment ,Immune checkpoint inhibitors ,Brachytherapy ,03 medical and health sciences ,0302 clinical medicine ,Immune system ,Immunity ,Internal medicine ,medicine ,Animals ,Humans ,Chemoembolization, Therapeutic ,Immune Checkpoint Inhibitors ,Radiofrequency Ablation ,business.industry ,Liver Neoplasms ,Treatment options ,Immunotherapy ,medicine.disease ,Combined Modality Therapy ,digestive system diseases ,030104 developmental biology ,030220 oncology & carcinogenesis ,Hepatocellular carcinoma ,Antigens neoplasm ,business ,medicine.drug - Abstract
Immunotherapy shows great promises in solid tumors. Locoregional therapy can promote systemic immune response in hepatocellular carcinoma (HCC). The combination of locoregional therapy and immune checkpoint inhibitors (ICIs) activates a synergistic effect that can enhance the potency of anti-tumor immunity. This review aims to summarize the underlying mechanisms of locoregional therapy combined with ICIs and their applications in clinical settings. The characteristics of high invasiveness and refractoriness of HCC are what limit the outcomes of treatments. Sorafenib provides an additional treatment option for extrahepatic spread and vascular invasion, making long-term survival possible for patients with advanced HCC to some degree. However, its shortcomings of low response rate and high toxicity result in limited applications in clinical practice. Immunotherapy is a promising emerging therapy with great prospect in HCC, but the self-tolerance of HCC constrains the effectiveness of ICIs. Consequently, the efficacy of single immunotherapy is unsatisfactory. Locoregional therapy can not only destroy primary tumors but also stimulate the release of neoplasm antigens to increase the efficiency of immune response in HCC. Locoregional therapy combined with ICIs may have an amplification effect on immune response. Locoregional therapy plays a vital role in stimulating anti-tumor immune response. The combination of locoregional therapy and ICIs has a synergistic effect on anti-tumor immunity.
- Published
- 2020
22. Expression of oestrogen receptor beta was negatively correlated with disease activity in patients with Crohn's disease involving the terminal ileum
- Author
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Hongxia Li, Hong Chen, Lu Chen, Duo Shen, and Xiaoxin Xu
- Subjects
Adult ,Male ,medicine.medical_specialty ,Adolescent ,Clinical Biochemistry ,Alpha (ethology) ,030209 endocrinology & metabolism ,Disease ,Biochemistry ,Young Adult ,03 medical and health sciences ,0302 clinical medicine ,Endocrinology ,Crohn Disease ,Ileum ,Internal medicine ,Estrogen Receptor beta ,Humans ,Medicine ,Clinical significance ,Intestinal Mucosa ,Receptor ,Molecular Biology ,Retrospective Studies ,Pharmacology ,Crohn's disease ,business.industry ,Organic Chemistry ,Middle Aged ,medicine.disease ,Menopause ,030220 oncology & carcinogenesis ,Immunohistochemistry ,Female ,business ,Hormone - Abstract
Crohn's disease (CD) is a chronic inflammatory disease. The recurrence and remission of symptoms in CD patients are associated with changes in hormones, such as in puberty, pregnancy, postpartum and menopause, reflecting that oestrogen and its receptor might play an important role in CD. The study aimed to investigate the expression and clinical significance of oestrogen receptor in patients with CD involving the terminal ileum. Expression of oestrogen receptor alpha (ERα) and oestrogen receptor beta (ERβ) of 37 patients with CD involving the terminal ileum and 21 healthy controls was determined by immunohistochemistry. Disease activity was assessed by Harvey-Bradshow Crohn’s disease activity index(Harvey-Bradshow CDAI). Expression of ERα was negative for all cases. Moreover, a reduction of ERβ expression in patients with CD involving the terminal ileum was found, and ERβ expression had a negative correlation with the disease activity index. These data indicate that ERβ might be a predictor of CD activity and a new target for further study in CD endocrine therapy.
- Published
- 2019
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23. Linear Analysis of Longshore Currents Instability over Mild Slopes
- Author
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Zhi-li Zou, Liang-duo Shen, and Xizeng Zhao
- Subjects
Physics ,010504 meteorology & atmospheric sciences ,Renewable Energy, Sustainability and the Environment ,Mechanical Engineering ,Mode (statistics) ,Ocean Engineering ,Mechanics ,Oceanography ,01 natural sciences ,Instability ,010305 fluids & plasmas ,Longshore drift ,Wavelength ,0103 physical sciences ,Offshore geotechnical engineering ,Spatial variability ,Growth rate ,Sediment transport ,0105 earth and related environmental sciences - Abstract
Longshore current instability is important to nearshore hydrodynamic and sediment transport. This paper investigates the longshore current instability growth model based experimental data with different velocity profiles of slopes 1:100 and 1:40 by adopting a linear shear instability model with the bottom friction effects. The results show that: (1) Only backshear mode exists in the instability of longshore current for slope 1:40 and frontshear and backshear modes may exist slope 1:100. (2) The peaks of linear instability growth mode for slope 1:100 correspond to three cases: the dominant peak is formed by the joint action of both frontshear and backshear, or by backshear alone without the existence of the smaller peak or formed by either the frontshear or backshear. (3) Bottom friction can decrease the corresponding unstable growth rate but it cannot change the unstable fluctuation period. The results of fluctuation period, wavelength and spatial variation obtained by the analysis of linear shear instability are in good agreement with experimental results.
- Published
- 2018
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24. RETRACTED ARTICLE:Experimental Study on Crescent Waves Diffracted by A Circular Cylinder
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Liang Ma, Liang-duo Shen, Jin-wei Shang, Zhi-li Zou, and Kai Yan
- Subjects
Diffraction ,Physics ,Surface (mathematics) ,Field (physics) ,Renewable Energy, Sustainability and the Environment ,business.industry ,Mechanical Engineering ,Ocean Engineering ,Oceanography ,01 natural sciences ,Instability ,Frequency spectrum ,010305 fluids & plasmas ,Optics ,0103 physical sciences ,Cylinder ,Stokes wave ,Symmetry breaking ,010306 general physics ,business - Abstract
Crescent waves often observed on the sea surface are unusual wave pattern induced by the instability of Stokes wave. The paper presents the experimental results of the wave field around a circular cylinder generated by the diffraction of crescent wave in order to examine the difference of diffracted crescent waves from the commonly-used diffracted Stokes waves. The results show that with the existence of the cylinder, the crescent wave pattern can still get fully developed, and with the presence of this type of wave pattern, the symmetry breaking of the wave amplitude distribution occurs and there are extra wave components at the frequencies of 0.5ω0, 1.5ω0 and 2.5ω0 (ω0 is the frequency of Stokes waves) appearing in the wave amplitude spectrum.
- Published
- 2018
- Full Text
- View/download PDF
25. miR-130b-5p promotes proliferation, migration and invasion of gastric cancer cells via targeting RASAL1
- Author
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Jing Wang, Jiyi Zhao, Qian Yu, Yiqiong Yang, Duo Shen, and Hong Chen
- Subjects
0301 basic medicine ,Cancer Research ,Oncogene ,Cell growth ,Chemistry ,gastric cancer ,Cell ,Transfection ,Articles ,Cell cycle ,Molecular biology ,microRNA-130b ,RAS protein activator like 1 ,03 medical and health sciences ,030104 developmental biology ,0302 clinical medicine ,medicine.anatomical_structure ,Oncology ,Lipofectamine ,Cell culture ,030220 oncology & carcinogenesis ,Cancer cell ,medicine - Abstract
The aim of the present study was to investigate the targeted interaction between microRNA (miR)-130b-5p and RAS protein activator like 1 (RASAL1) gene and elucidate the function of miR-130b-5p in cell proliferation, migration and invasion in gastric cancer. Expression of miR-130b-5p and RASAL1 in seven gastric cell lines was detected by reverse transcription-quantitative polymerase chain reaction (RT-qPCR). MGC803 cells were selected for further study since they exhibited a marked increase in expression of miR-130b-5p accompanied by decreased expression of RASAL1. MGC803 cells were transfected with miR-130b-5p mimics and miR-130b-5p inhibitor using Lipofectamine 2000 for over- and underexpression, respectively, with cells transfected with negative control (NC) sequence as the control. In addition, a luciferase reporter gene assay was performed to evaluate the targeted interaction between miR-130b-5p and RASAL1. Then, alterations in RASAL1 expression were detected by RT-qPCR and western blot analysis following transfection with miR-130b-5p mimics and miR-130b-5p inhibitor. Cell proliferation, colony formation, and migration and invasion ability were detected by MTT, colony formation and Transwell assays, respectively. RASAL1 was demonstrated to be a target gene of miR-130b-5p by luciferase reporter gene assay. In addition, the expression of RASAL1 was significantly lower in MGC803 cells that were transfected with miR-130b-5p mimics and significantly higher in cells transfected with miR-130b-5p inhibitor in comparison with cells transfected with NC (P
- Published
- 2018
26. Résultats cliniques du traitement des fractures déplacées par avulsion tibiale du ligament croisé postérieur : une étude comparative rétrospective entre la suture arthroscopique et les techniques de fixation EndoButton
- Author
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Donggang Qian, Duo Shen, Yan Li, Shiqiang Gui, Jia Zhong, Bo Zhao, Weiping Hu, Jinghua Li, Chao Liu, and Daohong Zhao
- Subjects
medicine.medical_specialty ,medicine.diagnostic_test ,business.industry ,Arthroscopy ,Avulsion fracture ,medicine.disease ,Surgery ,Avulsion ,medicine.anatomical_structure ,Plain radiography ,Suture (anatomy) ,Assessment data ,Posterior cruciate ligament ,medicine ,Orthopedics and Sports Medicine ,business ,Fixation (histology) - Abstract
Background Tibial avulsion fracture of the posterior cruciate ligament is not rare in the clinic. Arthroscopic treatment is increasingly accepted, but the choice of fixation has been debated. This study aims to compare the clinical outcomes of suture and EndoButton fixation under arthroscopy for acute displaced posterior cruciate ligament avulsion fractures. Methods A total 68 of 83 PCL tibial avulsion fracture cases from 2009 to 2016 were retrospectively reviewed. Some patients received arthroscopic suture initially, and later the others received arthroscopic EndoButton fixation. Associated lesions were treated if present. The Lysholm and International Knee Documentation Committee (IKDC) scores, KT-1000 arthrometry and plain radiography were evaluated at follow-up. The assessment data at two years of follow-up were used for comparing the two different fixation groups. Results The follow-up time of 63 patients was more than 2 years. In total, 32 of the 63 patients were in the suture group, and 31 were in the EndoButton group. At two years of follow-up, knee function according to the Lysholm score was a mean of 92.5 with a 95% confidence interval [CI] of 89.45 to 96.40 in the suture group and a mean of 93.5 with a 95% CI of 90.52 to 97.28 in the EndoButton group (p = .785). More than 90 % of patients in both groups rated their knee function as normal or nearly normal on IKDC subjective evaluation. KT-1000 arthrometry showed that there was no difference between the two groups, with 0 to 3 mm of laxity in 91% of the cases in the suture group versus 90% of cases in the EndoButton group. All patients achieved bony healing within 3 months. No significant complications were noted in the study. Conclusions Both the arthroscopic suture and EndoButton fixation methods for acute displaced posterior cruciate ligament avulsion fractures resulted in comparably good clinical outcomes, radiologic healing, and stable knees at mid-term follow-up. Level of Evidence III; retrospective comparative study.
- Published
- 2021
- Full Text
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27. The Progress of T Cell Immunity Related to Prognosis in Gastric Cancer
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Sachin Mulmi Shrestha, Duo Shen, Ming Wei, Junyi Zhang, Juan Liu, and Ying Yin
- Subjects
0301 basic medicine ,Colorectal cancer ,T-Lymphocytes ,T cell ,lcsh:Medicine ,Review Article ,General Biochemistry, Genetics and Molecular Biology ,03 medical and health sciences ,0302 clinical medicine ,Immune system ,Breast cancer ,Stomach Neoplasms ,Immunity ,medicine ,Humans ,General Immunology and Microbiology ,business.industry ,lcsh:R ,Cancer ,General Medicine ,biochemical phenomena, metabolism, and nutrition ,Prognosis ,medicine.disease ,030104 developmental biology ,medicine.anatomical_structure ,Lymphatic Metastasis ,030220 oncology & carcinogenesis ,Disease Progression ,Cancer research ,bacteria ,Ovarian cancer ,business ,CD8 - Abstract
Gastric cancer is the fifth most common malignancy all over the world, and the factors that can affect progress and prognosis of the gastric cancer patients are various, such as TNM stages, invasive depth, and lymph node metastasis ratio. T cell immunity is important component of human immunity system and immunity responding to tumor and dysfunction or imbalance of T cell immunity will lead to serious outcomes for body. T cell immunity includes many different types of cells, CD4+ T cell, CD8+ T cell, memory cell, and so on, and each of them has special function on antitumor response or tumor immune escape which is revealed in lung cancer, colorectal cancer, breast cancer, ovarian cancer, and so on. But its correlation with gastric cancer is not clear. Our review was preformed to explore the relationship between the progress and prognosis of gastric cancer (GC) and T cell immunity. According to recent researches, T cell immunity may have an important role in the progress and prognosis of GCs, but its function is affected by location, category, related molecule, and interaction between the cells, and some effects still are controversial. More researches are needed to clarify this correlation.
- Published
- 2018
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28. Three-dimensional Hydrodynamic Analysis of Yushan Petrochemical Reclamation
- Author
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Yi Chun Ding, Yu Gao, and Liang Duo Shen
- Subjects
History ,Petrochemical ,Land reclamation ,Environmental engineering ,Environmental science ,Computer Science Applications ,Education - Abstract
With the help of Mike 3 software, a three-dimensional hydrodynamic mathematical model was built for Daxiaoshan sea area. The model was calibrated and verified by the measured tidal current and tidal level data. The influence of Daxiaoshan reclamation project on the surrounding hydrodynamic conditions was analyzed by the numerical simulation of tidal current. The results show that in the model verification, the tide level only has a little deviation in the neap tide stage, and the velocity error is controlled within 0.4m/s. The influence of reclamation projects is mainly concentrated in the vicinity of reclamation areas and has no influence on the hydrodynamic conditions in a large area of sea. The three-dimensional effect of the positions of the southeast and southwest dikes is obvious, and the vertical velocity distribution of the south dike is the most uneven because of the complex terrain conditions. Using the Mike 3 hydrodynamic module can better simulate the flow field distribution in the engineering area and the surrounding sea area of the project, and can better guide the construction of related projects.
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- 2021
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29. Curcumin reverses the depressive-like behavior and insulin resistance induced by chronic mild stress
- Author
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Yu Wei, Jing-Yi Qiao, Yu-Jie Li, Yu-Cheng Li, and Ji-Duo Shen
- Subjects
Blood Glucose ,Leptin ,Male ,medicine.medical_specialty ,Curcumin ,medicine.medical_treatment ,Type 2 diabetes ,Biology ,Biochemistry ,Glucagon ,Rats, Sprague-Dawley ,03 medical and health sciences ,Cellular and Molecular Neuroscience ,0302 clinical medicine ,Insulin resistance ,Downregulation and upregulation ,Insulin receptor substrate ,Internal medicine ,Diabetes mellitus ,medicine ,Animals ,Insulin ,Protein kinase B ,Behavior, Animal ,Pioglitazone ,Depression ,Glucose Tolerance Test ,medicine.disease ,Rats ,030227 psychiatry ,Disease Models, Animal ,Endocrinology ,Thiazolidinediones ,Neurology (clinical) ,Insulin Resistance ,Corticosterone ,Stress, Psychological ,030217 neurology & neurosurgery - Abstract
Increasing evidence has demonstrated that patients with depression have a higher risk of developing type 2 diabetes. Insulin resistance has been identified as the key mechanism linking depression and diabetes. The present study established a rat model of depression complicated by insulin resistance using a 12-week exposure to chronic mild stress (CMS) and investigated the therapeutic effects of curcumin. Sucrose intake tests were used to evaluate depressive-like behaviors, and oral glucose tolerance tests (OGTT) and intraperitoneal insulin tolerance tests (IPITT) were performed to evaluate insulin sensitivity. Serum parameters were detected using commercial kits. Real-time quantitative PCR was used to examine mRNA expression. CMS rats exhibited reduced sucrose consumption, increased serum glucose, insulin, triglyceride (TG), low density lipoprotein-cholesterol (LDL-C), non-esterified fatty acid (NEFA), glucagon, leptin, and corticosterone levels, as well as impaired insulin sensitivity. Curcumin upregulated the phosphorylation of insulin receptor substrate (IRS)-1 and protein kinase B (Akt) in the liver, enhanced insulin sensitivity, and reversed the metabolic abnormalities and depressive-like behaviors mentioned above. Moreover, curcumin increased the hepatic glycogen content by inhibiting glycogen synthase kinase (GSK)-3β and prevented gluconeogenesis by inhibiting phosphoenolpyruvate carboxykinase (PEPCK) and glucose 6-phosphatase (G6Pase). These results suggest that curcumin not only exerted antidepressant-like effects, but also reversed the insulin resistance and metabolic abnormalities induced by CMS. These data may provide evidence to support the potential use of curcumin against depression and/or metabolic disorders.
- Published
- 2017
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30. Effects of resveratrol on the levels of ATP, 5-HT and GAP-43 in the hippocampus of mice exposed to chronic unpredictable mild stress
- Author
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Li Bai, Zhang Yuewen, Erping Xu, Bao-Ying Wang, Shuai-Fei Lu, Ji-Duo Shen, Yu-Cheng Li, Ming Bai, and Lei-Lei Zhu
- Subjects
0301 basic medicine ,Male ,medicine.medical_specialty ,Serotonin ,Hippocampus ,Neurotransmission ,Resveratrol ,03 medical and health sciences ,chemistry.chemical_compound ,Mice ,0302 clinical medicine ,Adenosine Triphosphate ,GAP-43 Protein ,Internal medicine ,medicine ,Animals ,5-HT receptor ,Mice, Inbred ICR ,biology ,Dose-Response Relationship, Drug ,Chemistry ,General Neuroscience ,Antidepressive Agents ,030104 developmental biology ,Endocrinology ,Treatment Outcome ,Mitochondrial biogenesis ,Sirtuin ,Chronic Disease ,biology.protein ,Antidepressant ,030217 neurology & neurosurgery ,Stress, Psychological ,Behavioural despair test - Abstract
Growing evidence suggested that energy deficiency might be involved in the pathophysiological mechanism of depression. Energy deficiency, mainly results from mitochondrial damage, can lead to the dysfunction of synaptic neurotransmission, and further cause depressive-like behavior. The antidepressant effect of resveratrol had been widely demonstrated in previous studies; however, the underlying mechanism remains poorly understood. The present study aimed to investigate whether the antidepressant effects of resveratrol involved in the energy levels and neurotransmission in the hippocampus. We found that resveratrol and fluoxetine significantly attenuated depressive-like behaviors induced by chronic unpredictable mild stress (CUMS), which evidenced by the increased sucrose preference and the reduced immobility time in a forced swimming test. In addition, resveratrol increased hippocampal ATP levels, decreased Na+-K+-ATPase and pyruvate levels, and upregulated the levels of mitochondrial DNA (mtDNA), mRNA expression of sirtuin (SIRT)1 and peroxisome proliferator-activated receptor γ coactivator (PGC)1α. Furthermore, resveratrol and fluoxetine increased serotonin (5-HT) levels and downregulated the mRNA expression of 5-HT transporter (SERT) in the hippocampus. The decreased protein expression of growth-associated protein (GAP)-43 induced by CUMS was also ameliorated by resveratrol and fluoxetine. These findings demonstrated the antidepressant effects of resveratrol and suggested that resveratrol was able to promote mitochondrial biogenesis, enhance ATP and 5-HT levels, as well as upregulate GAP-43 expression in the hippocampus.
- Published
- 2020
31. Transcriptomic analysis reveals the mechanism of sulfasalazine-induced liver injury in mice
- Author
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Ji-Duo Shen, Lei-Lei Zhu, Yu-Cheng Li, Shuai-Fei Lu, Ming Bai, Bao-Ying Wang, and Erping Xu
- Subjects
0301 basic medicine ,Male ,Time Factors ,EGR1 ,Biology ,Toxicology ,medicine.disease_cause ,Transcriptome ,03 medical and health sciences ,0302 clinical medicine ,medicine ,Animals ,Gene Regulatory Networks ,RNA, Messenger ,Liver injury ,Mice, Inbred ICR ,Sequence Analysis, RNA ,Gene Expression Profiling ,fungi ,Anti-Inflammatory Agents, Non-Steroidal ,General Medicine ,medicine.disease ,Molecular biology ,Fold change ,Sulfasalazine ,030104 developmental biology ,Gene Expression Regulation ,Liver ,Epoxygenase P450 pathway ,Alkaline phosphatase ,Chemical and Drug Induced Liver Injury ,Carcinogenesis ,030217 neurology & neurosurgery ,TBIL ,Signal Transduction - Abstract
Liver injury is one of the main toxic effect of sulfasalazine (SASP). However, the toxicological mechanism of SASP-induced liver injury remains unclear. In the present study, the liver injury was induced by orally treatment with SASP for 4 weeks in mice. The hepatic mRNA profiles were detected by RNA sequencing and the differentially expressed genes (DEGs) were analyzed by bioinformatics methods. The elevated serum levels of alanine aminotransferase (ALT), alkaline phosphatase (ALP) and total bilirubin (TBIL), combined with the hepatic histopathological features verified that liver injury was successfully caused by SASP. Transcriptomic results showed that 187 genes (fold change > 1.5 and P < 0.05) were differentially expressed, of which 106 genes were up-regulated and 81 genes were down-regulated in SASP-treated group. Moreover, the further analysis showed that these 187 differentially expressed genes (DEGs) were enriched in 123 GO terms, which mainly including oxidation-reduction process, oxidoreductase activity and epoxygenase P450 pathway. KEGG pathway analysis showed 30 pathways including chemical carcinogenesis, retinol metabolism, arachidonic acid metabolism, linoleic acid metabolism and glutathione metabolism. Among these 187 DEGs, the top 22 hub genes were screened from network of protein-protein interaction (PPI) and verified by qRT-PCR. The results showed that the mRNA levels of hepatic drug-metabolizing enzymes, including cyp2b50, cyp2c50, cyp2c39, cyp2c38, cyp2c29, cyp2c54, cyp2c55, cyp2a5, gsta1, gsta2, gstt2, gstm2 and ephx1, were significantly up-regulated, while egfr and egr1 were down-regulated in SASP-treated group. Moreover, the mRNA levels of egfr and cyp2c55 exhibited a dose-dependent changes in SASP groups. Western blotting verified that the changes of protein levels of EGFR and CYP2C55 were consistent with mRNA levels. Considering that egfr has the highest score in PPI degree and cyp2c55 has the largest fold change in qPCR analysis, our present results suggested that the toxicological mechanisms of SASP-induced liver injury might be related to multi-biological processes and pathways, and egfr and cyp2c55 may play important roles in SASP-induced liver injury. The present study would be helpful for better understanding the hepatotoxic mechanism of SASP. However, the precise mechanism still needs further research.
- Published
- 2019
32. Cross-Domain Extreme Learning Machine for Classification of Hyperspectral Images
- Author
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Li Ma and Duo Shen
- Subjects
Computer science ,business.industry ,0211 other engineering and technologies ,Hyperspectral imaging ,Pattern recognition ,02 engineering and technology ,Domain (software engineering) ,Transformation (function) ,0202 electrical engineering, electronic engineering, information engineering ,Labeled data ,Maximum mean discrepancy ,020201 artificial intelligence & image processing ,Artificial intelligence ,business ,021101 geological & geomatics engineering ,Extreme learning machine - Abstract
Cross domain extreme learning machine (CDELM) is an unsupervised domain adaptation algorithm. It achieves domain adaptation by minimizing the classification loss on source labeled data and utilizing the maximum mean discrepancy strategy. We apply this algorithm for classification of hyperspectral images, and improve it by introducing a transformation on source features, so that the target data and transformed source data can better share the same output weights in ELM network. The enhanced CDELM is denoted as ECDELM in this paper. The experimental results using Hyperion multi-temporal remote sensing images demonstrated the effectiveness of the improvement.
- Published
- 2019
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33. The Curve Fit Analysis of Mean Longshore Current Velocity Distribution Under Different Mild Slope Conditions
- Author
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Liang-duo Shen, Zu-ming Cai, and Gao-feng Jiang
- Subjects
Longshore drift ,Distribution (mathematics) ,Curve fitting ,Piecewise ,Regular polygon ,Geometry ,Diffusion (business) ,Material transport ,Sediment transport ,Geology - Abstract
Studying the distribution of longshore current velocity has important practical significance for coastal sediment transport and nearshore material transport and diffusion. Based on the experimental results of 1:100 slope and 1:40 slope mild slope longshore current, this essay adopts MATLAB software and uses different functions to fit and analyze the mean longshore current velocity distribution under mild slope in two cases. The results show that the maximum value of 1:100 mean longshore current velocity have a concave trend on the nearshore side, three kinds of functions can properly fit the mean longshore current velocity distribution. In the case of 1:40, three kinds of functions cannot appropriately show the mean longshore current velocity distribution. Therefore, the distribution characteristics that the convex trend is on the coastal side of the 1:40 mild slope can be better described by proposing a custom piecewise function and relevant constraints.
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- 2019
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34. Elevation of synaptic protein is associated with the antidepressant-like effects of ferulic acid in a chronic model of depression
- Author
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Ji-Duo Shen, Ya-Min Liu, Yu-Cheng Li, Chun-yue Hu, Su-Hui Wu, and Li-Tao Yi
- Subjects
Male ,0301 basic medicine ,medicine.medical_specialty ,Synapsin I ,Coumaric Acids ,Hippocampus ,Experimental and Cognitive Psychology ,Ferulic acid ,Food Preferences ,Mice ,03 medical and health sciences ,Behavioral Neuroscience ,chemistry.chemical_compound ,0302 clinical medicine ,Neurotrophic factors ,Fluoxetine ,Internal medicine ,medicine ,Animals ,Swimming ,Brain-derived neurotrophic factor ,Analysis of Variance ,Mice, Inbred ICR ,Dose-Response Relationship, Drug ,Depression ,Brain-Derived Neurotrophic Factor ,Brain ,Membrane Proteins ,Synapsin ,Synapsins ,Antidepressive Agents ,Tail suspension test ,Disease Models, Animal ,030104 developmental biology ,Endocrinology ,Gene Expression Regulation ,nervous system ,Biochemistry ,chemistry ,Synapses ,Disks Large Homolog 4 Protein ,Guanylate Kinases ,Stress, Psychological ,030217 neurology & neurosurgery ,Behavioural despair test - Abstract
Ferulic acid is a hydroxycinnamic acid that widely presents in plant cell wall components. It has been demonstrated that ferulic acid can reverse depressive-like behaviors in both forced swimming test and tail suspension test. However, it is unclear whether chronic ferulic acid treatment can ameliorate the depressive-like behaviors in chronic unpredictable mild stress (CUMS). Because of the putative relationship between neurotrophic system and antidepressant-like activity, we also investigated the effects of chronic ferulic acid on the brain-derived neurotrophic factor (BDNF), postsynaptic protein PSD95, presynaptic protein synapsin I in both prefrontal cortex and hippocampus. The results showed that ferulic acid significantly alleviated CUMS-induced depressive-like behaviors in sucrose preference test and forced swimming test. In addition, ferulic acid significantly up-regulated the levels of BDNF, PSD95 and synapsin I in the prefrontal cortex and hippocampus. The present data indicated that ferulic acid exerted the antidepressant-like effects on behaviors by increasing neurotrophin-related synaptic protein levels in CUMS mice.
- Published
- 2017
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35. Retraction Note: Experimental Study on Crescent Waves Diffracted by A Circular Cylinder
- Author
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Jin-wei Shang, Liang Ma, Kai Yan, Zhi-li Zou, and Liang-duo Shen
- Subjects
Diffraction ,Physics ,Surface (mathematics) ,Field (physics) ,Renewable Energy, Sustainability and the Environment ,business.industry ,Mechanical Engineering ,Ocean Engineering ,Oceanography ,Instability ,Fully developed ,Optics ,Stokes wave ,Cylinder ,Symmetry breaking ,business - Abstract
Crescent waves often observed on the sea surface are unusual wave pattern induced by the instability of Stokes wave. The paper presents the experimental results of the wave field around a circular cylinder generated by the diffraction of crescent wave in order to examine the difference of diffracted crescent waves from the commonly-used diffracted Stokes waves. The results show that with the existence of the cylinder, the crescent wave pattern can still get fully developed, and with the presence of this type of wave pattern, the symmetry breaking of the wave amplitude distribution occurs and there are extra wave components at the frequencies of 0.5ω 0, 1.5ω 0 and 2.5ω 0 (ω 0 is the frequency of Stokes waves) appearing in the wave amplitude spectrum.
- Published
- 2021
- Full Text
- View/download PDF
36. Numerical Study on Influence of Oriented Groin Angle on Hydraulic Characteristics of Curved Water Flow
- Author
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Xiao-ting Zheng, Zhou-bin Chen, and Liang-duo Shen
- Subjects
medicine.anatomical_structure ,Groin ,Water flow ,medicine ,Spur dike ,Geotechnical engineering ,Geology - Published
- 2019
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37. [A retrospective study on mandibular coracoid fractures]
- Author
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Long-Duo, Shen, You-Chao, Tang, and Wei, Tang
- Subjects
Adult ,China ,Fracture Fixation, Internal ,Treatment Outcome ,Mandibular Fractures ,Mandibular Condyle ,Humans ,创伤专栏 ,Mandible ,Retrospective Studies - Abstract
This study aimed to analyze the treatment for mandibular coracoid fractures retrospectively.A retrospective study on 37 patients with mandibular coracoid fractures treated at Department of Traumatic and Plastic Surgery, West China Hospital of Stomatology, Sichuan University from January 2010 to December 2015 was conducted. Eleven patients were treated conservatively, and 26 patients underwent surgical restoration and internal fixation. Mouth opening and pain degree were used as indicators to analyze treatment results.The 37 cases of coracoid fractures accounted for 3.18% of the total mandibular fractures. The average age of patients was 38.05 years. Satisfactory results were obtained in both treatments. A considerable change in the degree of mouth opening before and after 6 months was found in the two groups. The pain degree before treatment and 1 day after operation, 1 day and 4 weeks after operation, and 4 weeks and 6 months after operation indicated that the two groups did not significantly differ. However, substantial changes between the two groups were found before treatment and 6 months after operation.Conservative treatment is recommended for patients with linear, temporalis muscle-located, and non-displaced coracoid fractures. Surgical treatment is recommended for patients with large fractures and those with accompanying zygomatic arch and mandible fractures.目的 回顾性研究下颌骨喙突骨折治疗方法的选择。方法 选取四川大学华西口腔医院创伤与整形外科2010年1月—2015年12月收治的37例下颌骨喙突骨折患者,其中11例进行保守治疗,26例进行手术复位内固定。通过开口度及疼痛度作为指标来分析治疗效果。结果 37例喙突骨折占全部下颌骨骨折的3.18%,平均年龄38.05岁;两种治疗都取得了满意的效果。两组患者治疗前和治疗后6个月最大开口度有明显变化(P0.05)。两组患者治疗前和治疗后1 d、治疗后1 d和4周、治疗后4周与6个月相比变化不明显,其他时间相比都有明显变化。结论 对颞肌内、线性、无移位的喙突骨折建议采取保守治疗,对骨折移位较大、影响张口、伴有面中份或面下份骨折的患者建议采取手术治疗。.
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- 2018
38. Paeoniflorin Ameliorates Fructose-Induced Insulin Resistance and Hepatic Steatosis by Activating LKB1/AMPK and AKT Pathways
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Ming Bai, Ji-Duo Shen, Yong-Xian Cheng, Jing-Yi Qiao, Yu-Cheng Li, and Bao-Ying Wang
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0301 basic medicine ,Blood Glucose ,Male ,AMPK ,AMP-Activated Protein Kinases ,Rats, Sprague-Dawley ,chemistry.chemical_compound ,paeoniflorin ,AMP-Activated Protein Kinase Kinases ,Glucosides ,Non-alcoholic Fatty Liver Disease ,insulin resistance ,Insulin ,Nutrition and Dietetics ,biology ,hepatic steatosis ,Lipids ,Liver ,Lipogenesis ,lcsh:Nutrition. Foods and food supply ,Glycogen ,Signal Transduction ,medicine.medical_specialty ,lcsh:TX341-641 ,Fructose ,Protein Serine-Threonine Kinases ,Article ,03 medical and health sciences ,Insulin resistance ,Internal medicine ,medicine ,Animals ,Protein kinase A ,Protein kinase B ,medicine.disease ,Paeoniflorin ,Enzyme Activation ,Insulin receptor ,Disease Models, Animal ,030104 developmental biology ,Endocrinology ,chemistry ,biology.protein ,Monoterpenes ,Steatosis ,Proto-Oncogene Proteins c-akt ,Biomarkers ,Food Science - Abstract
The present study aimed to evaluate the effects of paeoniflorin on insulin resistance and hepatic steatosis induced by fructose. Male Sprague-Dawley rats were fed 20% fructose drink for eight weeks. The insulin sensitivity, serum lipid profiles, and hepatic lipids contents were measured. The results showed that paeoniflorin significantly decreased serum insulin and glucagon levels, improved insulin sensitivity and serum lipids profiles, and alleviated hepatic steatosis in fructose-fed rats. Moreover, paeoniflorin enhanced the phosphorylation level of AMP-activated protein kinase (AMPK) and protein kinase B (PKB/AKT) and inhibited the phosphorylation of acetyl coenzyme A carboxylase (ACC)1 in liver. Paeoniflorin also increased the hepatic carnitine palmitoyltransferase (CPT)-1 mRNA and protein expression and decreased the mRNA expression of sterol regulatory element-binding protein (SREBP)1c, stearyl coenzyme A decarboxylase (SCD)-1 and fatty acid synthetase (FAS). Furthermore, we found that paeoniflorin significantly increased the heptatic protein expression of tumor suppressor serine/threonine kinase (LKB)1 but not Ca2+/CaM-dependent protein kinase kinase (CaMKK)&beta, These results suggest that the protective effects of paeoniflorin might be involved in the activation of LKB1/AMPK and insulin signaling, which resulted in the inhibition of lipogenesis, as well as the activation of &beta, oxidation and glycogenesis, thus ameliorated the insulin resistance and hepatic steatosis. The present study may provide evidence for the beneficial effects of paeoniflorin in the treatment of insulin resistance and non-alcoholic fatty liver.
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- 2018
39. Réduction sous contrôle arthroscopique des luxations postérieures de hanche causées par une rupture du mur périphérique du labrum: résultats cliniques et radiologiques à moyen terme
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Bo Zhao, Duo Shen, Zhaowei Jiang, Jun Zhang, Hong Chen, Daohong Zhao, and Yuhao Zhang
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WOMAC ,business.industry ,Acetabular labrum ,Radiography ,medicine.medical_treatment ,Postoperative complication ,Osteoarthritis ,medicine.disease ,medicine.anatomical_structure ,Medicine ,Orthopedics and Sports Medicine ,Surgery ,business ,Nuclear medicine ,Reduction (orthopedic surgery) ,Vas score ,Fixation (histology) - Abstract
Background Non-concentric reduction of hip posterior dislocation caused by the acetabular labrum rim fracture is rare. There has been very little study on the feasibility of arthroscopically treatment and medium and mid-term evaluation to this pathology. The objectives of the current study were: (1) Is the arthroscopically-assisted technique feasible to this manage this injury? (2) What is the effectiveness of arthroscopic treatment for nonconcentric reduction of hip posterior dislocation caused by acetabular labrum rim fracture. Hypothesis Arthroscopically-assisted procedure is an alternative treatment modality for non-concentric reduction of hip posterior dislocation caused by acetabular labrum rim fracture. Patients and methods Thirteen of 257 posterior hip dislocations who were admitted to our hospital from February 2008 to March 2017 were included: 9 males and 4 females, with an average age of 23.7 (15–36) years. All of them underwent hip posterior dislocation and nonconcentric reduction related to acetabular labrum rim fracture. All of them had arthroscopic reduction and fixation of the rim fracture. Visual Analogic Score (VAS) score, modified Harris score, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score and the last follow-up radiographs were analyzed respectively. Postoperative complication and the need for secondary operation were recorded during the process. Results The incidence rate of this pathology was nearly 5 %. Twelve out of 13 patients were followed-up for an average of 42 (range, 26–68) months. At the final follow-up, VAS score was decreased from 5.2 ± 0.9 (range, 4.0–6.1) preoperatively to 0.5 ± 0.5 (range, 0.0–1.0) (p Conclusion Arthroscopically-assisted procedure is an alternative treatment modality for non-concentric reduction of hip posterior dislocation caused by the acetabular labrum rim fracture without surgical dislocation procedure. Good clinical results can be achieved without any complications related to the surgical procedure. Level of evidence : level IV, therapeutic case series.
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- 2019
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40. Extramedullary plasmacytoma occuring in ileocecum: A case report and literature review
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Sachin Mulmi Shrestha, Dazhong Cao, Danhui Zhang, Ying Yin, and Duo Shen
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medicine.medical_specialty ,Abdominal pain ,medicine.medical_treatment ,Umbilicus (mollusc) ,Colonoscopy ,Cecal Neoplasms ,03 medical and health sciences ,Ileocecal valve ,0302 clinical medicine ,immune system diseases ,hemic and lymphatic diseases ,medicine ,Humans ,Clinical Case Report ,Colectomy ,extramedullary plasmacytoma ,medicine.diagnostic_test ,business.industry ,ileocecum ,General Medicine ,Middle Aged ,medicine.disease ,gastrointestinal ,Endoscopy ,Ileal Neoplasms ,medicine.anatomical_structure ,030220 oncology & carcinogenesis ,Plasmacytoma ,030211 gastroenterology & hepatology ,Marginal zone B-cell lymphoma ,Female ,Radiology ,medicine.symptom ,business ,Research Article - Abstract
Rationale: Gastrointestinal solitary extramedullary plasmacytoma (EMP) is rare, just occupies about 5% of all EMPs. The most common site is small intestine followed by stomach. The colorectal incidence is much rare. Patient concerns: A 63-year-old female had an episodic pain around the umbilicus for about one week. The hyperemia and edema in the ileocecal mucosa were found in colonoscopy, and the endoscopy could not cross the ileocecal valve. The pathology specimens showed a high index suspicion of plasmacytoma. Diagnoses: The patient was diagnosed with extramedullary plasmacytoma. Interventions: A right hemicolectomy surgery was performed to treat the disease. Outcomes: Post surgery pathologic report showed low grade malignant mucosa associated marginal zone B cell lymphoma. Lessons: We report a case of an extramedullary plasmacytoma in ileocecum with abdominal pain and a review of extramedullary plasmacytoma.
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- 2018
41. A Composite of Carbon Fiber Reinforced Nylon PA6 for the Military
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Sheng Zhu, Qing Xue, and Can-Duo Shen
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Materials science ,Composite number ,Fiber ,Composite material - Published
- 2017
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42. MiR-181a regulates the chondrogenic differentiation in pig peripheral blood mesenchymal stem cells
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Daohong, Zhao, Yanlin, Li, Yan, Li, Zhaowei, Jiang, Duo, Shen, Zhi, Zhao, and Fuke, Wang
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Original Article - Abstract
Articular cartilage injury and therapy are important clinical issues around the world. Mesenchymal stem cells (MSCs) have the ability to differentiate into chondrocytes, which makes MSCs good candidates for use in cartilage repairing. However the regulation and the mechanism of chondrogenesisin MSCs is still unclear. To clarify the factor and mechanism which contribute to the process of chondrogenic differentiation, we focus on miRNAs. Considering the role of miR-181a in chondrogenesis and osteoblast formation, we tested the expression of miR-181a in the induced chondrogenic differential pig PBMSCs by using qRT-PCR. And we identified miR-181a as an up-regulated miRNA in the TGF-β3-induced pig PBMSCs chondrogenic differentiation from the early stages and maintained elevated throughout the whole process. After inhibition of the endogenesis miR-181a expression by transfecting the miR-181a inhibitor, the western-blot results and immunofluorescence results indicated that the expression of differentiation-related protein COL2A1, BMP2 were decreased, together with the Alcian blue assay, proving the process of differentiation was inhibited significantly. Taken together, our results demonstrated that miR-181a might be necessary in chondrogenesis of MSCs. Even so, the mechanism of miR-181a on regulating the chondrogenesis still needed to be investigated in future work. And our data would provide an experimental evidence for the research of tissue engineering.
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- 2017
43. Depressive-like behaviors are induced by chronic liver injury in male and female mice
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Erping Xu, Xiao-Yan Fang, Yu-Cheng Li, Bao-Ying Wang, Bai Ming, Shuai-Fei Lu, Ji-Duo Shen, and Lei-Lei Zhu
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Male ,0301 basic medicine ,medicine.medical_specialty ,medicine.medical_treatment ,Intraperitoneal injection ,Galactosamine ,CCL4 ,Thioacetamide ,Hippocampus ,digestive system ,Mice ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,Internal medicine ,parasitic diseases ,medicine ,Animals ,Swimming ,Depression (differential diagnoses) ,Liver injury ,Carbon Tetrachloride Poisoning ,Depression ,business.industry ,General Neuroscience ,medicine.disease ,digestive system diseases ,Tail suspension test ,030104 developmental biology ,Endocrinology ,Hindlimb Suspension ,Liver ,chemistry ,Female ,Chemical and Drug Induced Liver Injury ,business ,030217 neurology & neurosurgery ,Behavioural despair test ,Chronic liver injury - Abstract
Depression is a highly prevalent mental disease and increasingly become a global public health problem. Recent studies have shown that the dysfunction of liver was associated with depression. However, the previous studies have not been fully explained the relationship between depression and liver injury. The present study was aimed to investigate whether chronic liver injury could induce depressive-like behavior. Chronic liver injury was induced by intraperitoneal injection of carbon (CCl4), D-galactosamine (D-GalN) and thioacetamide (TAA), respectively. And the results showed that the serum activities of ALT in CCl4, D-GalN and TAA groups were significantly increased in both male and female mice compared with the control group, while the activities of AST increased only in CCl4 group. Meanwhile, H&E staining showed that CCl4, D-GalN and TAA induced hepatocytes injury in both male and female mice. Moreover, the sucrose preference was significantly decreased and the immobility time in forced swimming test and tail suspension test were significantly prolonged in CCl4 and D-GalN group compared with control group. Our findings demonstrated that chronic liver injury induced by CCl4 and D-GalN could induce depressive-like behaviors in mice.
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- 2020
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44. Numerical Control for Multifunction Machining Based on Dual MCU
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Xiang Hong Zhang and Can Duo Shen
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Engineering ,Liquid-crystal display ,ARM9 ,business.industry ,Interface (computing) ,General Engineering ,ComputerApplications_COMPUTERSINOTHERSYSTEMS ,law.invention ,Grinding ,Microprocessor ,Microcontroller ,Machining ,law ,Numerical control ,business ,Computer hardware - Abstract
A new numerical control system (CNC) based on ARM9 and STC12C5410 is studied. The ARM9 core microprocessor and Samsung S3C2440A microprocessor, are the main operation cores. It treats the flowing tasks: response to keyboard inputting, display contents on LCD, interpretive the NC codes, output crude interpolations and so on. The secondary CPU, STC12C5410, as the assisting microprocessor is only to realize fine interpolation. The system can be connected an 8-inches display in order to display more information and it has an interface to a four-axis hand wheel. It has a communication interface and can receive CNC codes form other computer. The system can drive four step-servo motors or servo-actuators and realize turning, milling, grinding and combination machining, which making sure the system is a multifunction system.
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- 2014
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45. Antidepressant effects of the water extract fromTaraxacum officinaleleaves and roots in mice
- Author
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Yu-Cheng Li, Qi Huang, Yang-Yang Li, and Ji-Duo Shen
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Male ,Taraxacum ,Pharmaceutical Science ,Adrenocorticotropic hormone ,Motor Activity ,Pharmacology ,Plant Roots ,Open field ,Mice ,chemistry.chemical_compound ,Taraxacum officinale ,Corticosterone ,Drug Discovery ,medicine ,Animals ,Mice, Inbred ICR ,biology ,Plant Extracts ,business.industry ,Water ,General Medicine ,Asteraceae ,biology.organism_classification ,Antidepressive Agents ,Tail suspension test ,Plant Leaves ,Treatment Outcome ,medicine.anatomical_structure ,Complementary and alternative medicine ,chemistry ,Molecular Medicine ,business ,human activities ,Hypothalamic–pituitary–adrenal axis ,Behavioural despair test - Abstract
The leaves and roots of the Taraxacum officinale F. (Asteraceae) is widely used as traditional medicinal herb in Eastern Asian countries.In the present study, the antidepressant-like effects of the water extract of T. officinale (WETO) leaves and roots were investigated in mice using forced swimming test (FST), tail suspension test (TST) and open field test (OFT).Effects of acute (1-day) and chronic treatments (14-days) with WETO (50, 100 and 200 mg/kg) on the behavioral changes in FST, TST and OFT, and the serum corticotrophin releasing factor (CRF), adrenocorticotropic hormone (ACTH) and corticosterone concentration were assessed in mice.Chronic treatment (14-days) with WETO at the doses of 50, 100 and 200 mg/kg significantly decreased the immobility time in both FST (92.6, 85.1 and 77.4 s) and TST (84.8, 72.1 and 56.9 s). Acute treatment (1-day) with WETO at a dose of 200 mg/kg also markedly decreased the immobility time in both FST (81.7 s) and TST (73.2 s). However, all treatments did not affect the locomotor activity in the OFT. Moreover, FST induced a significant increase in serum CRF (5.8 ng/ml), ACTH (104.7 pg/ml) and corticosterone levels (37.3 ng/ml). Chronic treatment (14-days) with WETO decreased the serum CRF (200 mg/kg: 3.9 ng/ml) and corticosterone (50 mg/kg: 29.9 ng/ml; 100 mg/kg: 22.5 ng/ml; 200 mg/kg: 19.8 ng/ml) levels.These results clearly demonstrated the antidepressant effects of WETO in animal models of behavioral despair and suggested the mechanism involved in the neuroendocrine system.
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- 2014
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46. Clinical Application of a New Assessment Tool for Myelopathy Hand Using Virtual Reality.
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Xin-Jin Su, Cang-Long Hou, Bei-Duo Shen, Wei-Zhong Zhang, De-Sheng Wu, Quan Li, Hong-Xing Shen, Su, Xin-Jin, Hou, Cang-Long, Shen, Bei-Duo, Zhang, Wei-Zhong, Wu, De-Sheng, Li, Quan, and Shen, Hong-Xing
- Published
- 2020
- Full Text
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47. Circular RNA hsa_circ_0005556 Accelerates Gastric Cancer Progression by Sponging miR-4270 to Increase MMP19 Expression.
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Duo Shen, Hongyu Zhao, Peng Zeng, Jinyun Song, Yiqiong Yang, Xuefeng Gu, Qinghua Ji, and Wei Zhao
- Subjects
- *
CIRCULAR RNA , *STOMACH cancer , *CANCER invasiveness , *MATRIX metalloproteinase inhibitors , *POLYMERASE chain reaction , *CANCER cells - Abstract
Purpose: Circular RNAs (circRNAs) are a new class of RNA molecules whose function is largely unknown. There is a growing evidence that circRNAs play an important regulatory role in the progression of a variety of human cancers. However, the exact roles and the mechanisms of circRNAs in gastric cancer are not clear. In this study, we aimed to elucidate the mechanism of hsa_circ_0005556. Materials and Methods: Real-time quantitative polymerase chain reaction was used to detect the expression of hsa_circ_0005556, miR-4270, and matrix metalloproteinase-19 (MMP19) in gastric cancer tissues and cell lines. The expression of hsa_circ_0005556 in gastric cancer cells was silenced by lentivirus, and cell proliferation, invasion, migration, and tumorigenesis in nude mice were assessed to evaluate the function of hsa_circ_0005556 in gastric cancer. Results: The expression of hsa_circ_0005556 in gastric cancer tissues and gastric cancer cell lines was higher compared to normal controls. In vitro, the downregulation of hsa_circ_0005556 significantly inhibited proliferation, migration, and invasion of gastric cancer cells. In vivo, the downregulation of hsa_circ_0005556 suppressed tumor growth in nude mice. Conclusions: Our study shows that the hsa_circ_0005556/miR-4270/MMP19 axis is involved in proliferation, migration, and invasion of gastric cancer cells through the competing endogenous RNA (ceRNA) mechanism. [ABSTRACT FROM AUTHOR]
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- 2020
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48. Chronic treatment with baicalin prevents the chronic mild stress-induced depressive-like behavior: Involving the inhibition of cyclooxygenase-2 in rat brain
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Shuo Jiao, Rui Wang, Yu-Cheng Li, Jing Li, Ji-Duo Shen, and Li-Tao Yi
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Male ,medicine.medical_specialty ,medicine.medical_treatment ,Hippocampus ,Pharmacology ,Dinoprostone ,chemistry.chemical_compound ,Corticosterone ,Internal medicine ,medicine ,Animals ,Rats, Wistar ,Swimming ,Biological Psychiatry ,Flavonoids ,Depressive Disorder ,Behavior, Animal ,Cyclooxygenase 2 Inhibitors ,biology ,Depression ,Brain ,Antidepressive Agents ,Tail suspension test ,Rats ,Endocrinology ,Hindlimb Suspension ,chemistry ,biology.protein ,Antidepressant ,Cyclooxygenase ,Baicalin ,Stress, Psychological ,Behavioural despair test ,Prostaglandin E - Abstract
Baicalin, a major constituent of flavonoids isolated from Scutellariae Radix, has been previously confirmed to decrease the duration of immobility in mice exposed to the forced swimming test (FST) and tail suspension test (TST). However, its antidepressant effects and mechanisms are still seldom studied in chronic mild stress (CMS) model of depression. In the present study, we attempted to investigate the effects of baicalin on the depressive-like behavior, the mRNA expression and activity of cyclooxygenase-2 (COX-2), as well as prostaglandin E(2) (PGE(2)) levels in the frontal cortex and hippocampus. Moreover, the serum corticosterone levels were also examined. We found that CMS procedure not only decreased the sucrose preference and increased serum corticosterone levels, but also elevated the activity and mRNA expression of COX-2, and increased PGE(2) levels in rat brain regions. Treatment with baicalin (10, 20, 40 mg/kg) prevented these abnormalities induced by CMS. These results confirmed that baicalin exerted antidepressant-like effects, and suggested its mechanisms at least partially related to decease COX-2 activity and expression, subsequently resulted in reduction of PGE(2) levels in brain. Our findings may provide a new aspect to understand the antidepressant action of baicalin, which is targeted on the COX-2 system in brain.
- Published
- 2013
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49. Ferulic acid inhibits neuro-inflammation in mice exposed to chronic unpredictable mild stress
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Li-Ping Xu, Yu-Cheng Li, Ji-Duo Shen, Li-Tao Yi, Ya-Min Liu, and Han-Bing Li
- Subjects
0301 basic medicine ,Male ,Coumaric Acids ,Immunology ,Anti-Inflammatory Agents ,Pharmacology ,Ferulic acid ,03 medical and health sciences ,chemistry.chemical_compound ,Mice ,0302 clinical medicine ,Fluoxetine ,NLR Family, Pyrin Domain-Containing 3 Protein ,medicine ,Immunology and Allergy ,Animals ,Humans ,Receptor ,Mice, Inbred ICR ,Microglia ,Depression ,NF-kappa B ,Inflammasome ,NF-κB ,Tail suspension test ,Antidepressive Agents ,030104 developmental biology ,medicine.anatomical_structure ,chemistry ,Biochemistry ,Cytokines ,Tumor necrosis factor alpha ,Inflammation Mediators ,Neurogenic Inflammation ,030217 neurology & neurosurgery ,Stress, Psychological ,medicine.drug ,Behavioural despair test - Abstract
Ferulic acid is a hydroxycinnamic acid that widely presents in plant cell wall components. It has been demonstrated that ferulic acid can attenuate depressive-like behaviors in both forced swimming test and tail suspension test. Considering that depression is an inflammatory related mental disease, our present study was aimed to investigate the role of ferulic acid in the regulation of microglia activation, pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) and nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome in mice exposed to chronic unpredictable mild stress (CUMS). Our results firstly showed that decreased sucrose preference and increased immobility time were completely reversed by administration with ferulic acid and fluoxetine for four weeks. Then, we found that CUMS significantly caused interleukin-1β (IL-1β), interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) up-regulation, microglia, NF-κB signaling and NLRP3 inflammasome activation in the prefrontal cortex. On the contrary, these activated inflammatory response induced by CUMS were reversed by ferulic acid and fluoxetine as well, suggesting that anti-inflammatory related mechanism was involved in the antidepressant-like effects of ferulic acid in stressed mice.
- Published
- 2016
50. Resveratrol Ameliorates the Depressive-Like Behaviors and Metabolic Abnormalities Induced by Chronic Corticosterone Injection
- Author
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Ya-Min Liu, Yu-cheng Li, Jun-Jie Chen, Ji-duo Shen, Xiao-yan Fang, and Yang-yi Pei
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0301 basic medicine ,Blood Glucose ,Male ,medicine.medical_treatment ,Pharmaceutical Science ,Pharmacology ,Resveratrol ,resveratrol ,corticosterone ,depression ,metabolic abnormalities ,Analytical Chemistry ,Subcutaneous injection ,chemistry.chemical_compound ,Mice ,0302 clinical medicine ,Corticosterone ,Drug Discovery ,Stilbenes ,Mice, Inbred ICR ,Behavior, Animal ,Depression ,Lipids ,Antidepressive Agents ,Chemistry (miscellaneous) ,Molecular Medicine ,Glucocorticoid ,medicine.drug ,medicine.medical_specialty ,Glucagon ,Drug Administration Schedule ,Article ,lcsh:QD241-441 ,03 medical and health sciences ,lcsh:Organic chemistry ,Internal medicine ,Fluoxetine ,medicine ,Animals ,Physical and Theoretical Chemistry ,Swimming ,Pioglitazone ,business.industry ,Insulin ,Organic Chemistry ,Body Weight ,Disease Models, Animal ,030104 developmental biology ,Endocrinology ,chemistry ,Thiazolidinediones ,business ,030217 neurology & neurosurgery ,Behavioural despair test - Abstract
Chronic glucocorticoid exposure is known to cause depression and metabolic disorders. It is critical to improve abnormal metabolic status as well as depressive-like behaviors in patients with long-term glucocorticoid therapy. This study aimed to investigate the effects of resveratrol on the depressive-like behaviors and metabolic abnormalities induced by chronic corticosterone injection. Male ICR mice were administrated corticosterone (40 mg/kg) by subcutaneous injection for three weeks. Resveratrol (50 and 100 mg/kg), fluoxetine (20 mg/kg) and pioglitazone (10 mg/kg) were given by oral gavage 30 min prior to corticosterone administration. The behavioral tests showed that resveratrol significantly reversed the depressive-like behaviors induced by corticosterone, including the reduced sucrose preference and increased immobility time in the forced swimming test. Moreover, resveratrol also increased the secretion of insulin, reduced serum level of glucose and improved blood lipid profiles in corticosterone-treated mice without affecting normal mice. However, fluoxetine only reverse depressive-like behaviors, and pioglitazone only prevent the dyslipidemia induced by corticosterone. Furthermore, resveratrol and pioglitazone decreased serum level of glucagon and corticosterone. The present results indicated that resveratrol can ameliorate depressive-like behaviors and metabolic abnormalities induced by corticosterone, which suggested that the multiple effects of resveratrol could be beneficial for patients with depression and/or metabolic syndrome associated with long-term glucocorticoid therapy.
- Published
- 2016
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