33 results on '"Jian, Q."'
Search Results
2. Sex and ethnic disparities in hepatitis B evaluation and treatment across the world
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Kudaravalli, Sahith, Huang, Daniel Q., Yeh, Ming-Lun, Trinh, Lindsey, Tsai, P.C., Hsu, Yao-Chun, Kam, Leslie Y., Nguyen, Vy H., Ogawa, Eiichi, Lee, Dong Hyun, Ito, Takanori, Watanabe, Tsunamasa, Enomoto, Masaru, Preda, Carmen Monica, Ko, Michael K.L., Wan-Hin Hui, Rex, Atsukawa, Masanori, Suzuki, Takanori, Marciano, Sebastian, Barreira, Ana, Do, Son, Uojima, Haruki, Takahashi, Hirokazu, Quek, Sabrina X.Z., Toe Wai Khine, Htet Htet, Ishigami, Masatoshi, Itokawa, Norio, Go, Min Seok, Kozuka, Ritsuzo, Marin, Raluca Ioana, Sandra, Irina, Li, Jiayi, Zhang, Jian Q., Wong, Christopher, Yoshimaru, Yoko, Vo, Dang K.H., Tseng, Cheng-Hao, Lee, Chul-jin, Inoue, Kaori, Maeda, Mayumi, Hoang, Joseph K., Chau, Angela, Chuang, Wan-Long, Dai, Chia-Yen, Huang, Jee-Fu, Huang, Chung-Feng, Buti, Maria, Tanaka, Yasuhito, Gadano, Adrian Carlos, Yuen, Man-Fung, Cheung, Ramsey, Lim, Seng Gee, Trinh, Huy N., Toyoda, Hidenori, Yu, Ming-Lung, and Nguyen, Mindie H.
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- 2024
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3. PD58-04 LIMITED UTILITY OF QUANTITATIVE THRESHOLDS ON 99MTC-SESTAMIBI SPECT/CT FOR DISTINGUISHING RENAL CELL CARCINOMA FROM ONCOCYTIC RENAL MASSES
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Wang, Robert S., primary, Yu, Jian Q., additional, Schober, Jared, additional, Standiford, Taylor, additional, Bell, Spencer H., additional, Doss, Mohan, additional, Li, Yi, additional, and Kutikov, Alexander, additional
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- 2024
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4. Renal Transplant Anastomotic Pseudoaneurysm and Stenosis at the Proximal Transplant Renal Artery and Worse Renal Blood Flow After Stent Placement.
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Jiaqiong Wang, Yi Li, and Jian Q. Yu
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- 2024
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5. LIMITED UTILITY OF QUANTITATIVE THRESHOLDS ON 99MTC-SESTAMIBI SPECT/CT FOR DISTINGUISHING RENAL CELL CARCINOMA FROM ONCOCYTIC RENAL MASSES
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Wang, Robert S., primary, Yu, Jian Q., additional, Schober, Jared, additional, Standiford, Taylor, additional, Bell, Spencer H., additional, Doss, Mohan, additional, Li, Yi, additional, and Kutikov, Alexander, additional
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- 2024
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6. The State-of-the-Art PET Tracers in Glioblastoma and High Grade Gliomas and Implications for Theranostics
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Wang, Jiaqiong, Serafini, Aldo, Kuker, Russ, Ayubcha, Cyrus, Cohen, Gary, Nadel, Helen, McKinney, Alexander, Alavi, Abass, and Yu, Jian Q.
- Abstract
MRI is currently the main imaging modality used for the diagnosis and post therapeutic assessment of glioblastomas. Recently, several innovative PET radioactive tracers have been investigated for the evaluation of glioblastomas (GBM). These radiotracers target several biochemical and pathophysiological processes seen in tumors. These include glucose metabolism, DNA synthesis and cell proliferation, amino acid transport, cell membrane biosynthesis, specific membrane antigens such as prostatic specific membrane antigens (PSMA), fibroblast activation protein inhibitor (FAPI), translocator protein and hypoxia sensing agents, and antibodies targeting specific cell receptor antigen. These can be labelled with positron emitting radionuclides for PET imaging. In addition, the development of advanced radiomics approaches have also contributed to improving diagnostic accuracy, monitoring treatment response and differentiating tumor recurrence from treatment related effects. Furthermore, the potential of theranostics and the ability to label the same agents with alpha or beta emitting radioisotopes may further advance the treatment for glioblastomas. This review aims to discuss the clinical value of these PET radiopharmaceuticals in the evaluation and treatment of GBMs.
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- 2024
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7. 560P Circulating tumor DNA guided therapeutic strategies for colorectal cancer patients with multiple small pulmonary-limited nodules: Updated results from the open-label, prospective, phase II cohort study.
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Chang, J., Li, Y., Jian, Q., Pang, F., Li, F., Wang, K., Li, W., and Peng, J.
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CIRCULATING tumor DNA , *COLORECTAL cancer , *CANCER patients , *COHORT analysis - Published
- 2024
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8. 1838P AI-based smart oncology follow-up system: Prospective application testing and enhancement of clinical efficacy.
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Xu, C., Wang, Y., Hao, Y., Jian, Q., Zhu, Y., Wang, Q., Pang, F., Rong, Z.S., Wang, D., Lv, D., Chen, H., and Wang, K.
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ARTIFICIAL intelligence , *ONCOLOGY - Published
- 2024
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9. 145P Predicting the efficacy of immunotherapy in non-small cell lung cancer using machine learning based on simple clinical characteristics and biochemical indexes.
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Cheng, L., Zhao, C., Shi, G., Jian, Q., Hu, M., Chen, H., Pang, F., Wang, K., and Li, X.
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NON-small-cell lung carcinoma , *MACHINE learning - Published
- 2024
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10. Biomechanical differences of three cephalic fixation methods for patients with basilar invagination and atlantoaxial dislocation in the setting of congenital atlas occipitalization: a finite element analysis.
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Jian Q, Qin S, Hou Z, Zhao X, Wang Y, Liang C, Chou D, Qian X, and Fan T
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Background Context: In cases of basilar invagination-atlantoaxial dislocation (BI-AAD) complicated by atlas occipitalization (AOZ), the approach to cranial end fixation has consistently sparked debate, generally falling into two categories: C1-C2 fixation and occipitocervical fixation. Several authors believe that C1-C2 fixation carries a lower risk of fixation failure than occipitocervical fixation., Purpose: To study the biomechanical differences among three different cranial end fixation methods for BI-AAD with AOZ., Study Design: This was a finite element analysis., Patient Sample: A 35-year-old female patient diagnosed with congenital BI-AAD and AOZ., Outcome Measures: range of motion (ROM), peak von Mise stress (PVMS), cage micro-subsidence, cage micro-slippage METHOD: Four finite element models were constructed, including unstable group (BI-AAD with AOZ), C1 lateral mass screw group, occipital plate group, occipitocervical rod group. The flexion and extension (FE), lateral bending (LB) as well as axial rotation (AR) were simulated under a torque of 1.5 Nm. Parameters include C1-C2 ROM, PVMS on screw-rod construct, cage micro-subsidence, cage micro-slippage., Results: The ROM of the C1 lateral mass screw group was smaller than that of the other fixation groups in LB and AR, but not FE. Compared with the occipitocervical rod group, the ROM in LB and AR of the occipital plate group was higher, but not in FE. The PVMS of C1 lateral mass screw group was significantly higher than that of the other groups. The ROM and PVMS of the occipitocervical rod group were in between the other two groups. Regarding the screws at the cranial end, the PVMS of the four-screw occipitocervical rod group was significantly lower than that of the other groups. In general, the cage micro-motion follows the ascending order: C1 lateral mass group < occipitocervical rod group < occipital plate group., Conclusion: In cases of BI-AAD with AOZ, the C1 lateral mass screw group provided the least ROM and cage micro-motion, but the screw-rod PVMS was the largest. The advantage of occipital plate fixation lies in the lowest screw-rod PVMS, but the ROM and cage micro-motion is the highest. Four-screw fixation at the cranial end of occipitocervical rod group helps to reduce the PVMS and may prevent screw failure at the cranial end., Competing Interests: Declaration of competing interest none. Dr. Chou: consultant for Globus and Medtronic and royalties from Globus., (Copyright © 2024. Published by Elsevier Inc.)
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- 2024
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11. Individualized C1-2 intra-articular three-dimensional printed porous titanium alloy cage for craniovertebral deformity.
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Jian Q, Qin S, Hou Z, Zhao X, Liang C, and Fan T
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- Humans, Male, Female, Retrospective Studies, Adult, Adolescent, Young Adult, Atlanto-Axial Joint surgery, Atlanto-Axial Joint diagnostic imaging, Atlanto-Axial Joint abnormalities, Porosity, Middle Aged, Child, Prosthesis Design, Cervical Vertebrae surgery, Cervical Vertebrae diagnostic imaging, Cervical Vertebrae abnormalities, Printing, Three-Dimensional, Titanium, Alloys
- Abstract
Background: Congenital craniovertebral deformity, including basilar invagination (BI) and atlantoaxial instability (AAI), are often associated with three-dimensional (3D) deformity, such as C1-2 rotational deformity, craniocervical kyphosis, C1 lateral inclination, among other abnormalities. Effective management of these conditions requires the restoration of the 3D alignment to achieve optimal reduction. Recently, 3D printing technology has emerged as a valuable tool in spine surgery, offering the significant advantage of allowing surgeons to customize the prosthesis design. This innovation provides an ideal solution for precise 3D reduction in the treatment of craniovertebral deformities., Objective: This study aims to describe our approach to individualized computer-simulated reduction and the design of C1-2 intra-articular 3D printed porous titanium alloy cages for the quantitative correction of craniovertebral junction deformities., Methods: A retrospective analysis was conducted on patients with craniovertebral deformities treated at our institution using individualized 3D-printed porous titanium alloy cages. Preoperative CT data were used to construct models for 3D realignment simulations. Cage designs were tailored to the simulated joint morphology following computer-assisted realignment. Preoperative and postoperative parameters were statistically analyzed., Results: Fourteen patients were included in the study, with a total of 28 3D-printed porous titanium alloy cages implanted. There were no cases of C2 nerve root resection or vertebral artery injury. All patients experienced symptom relief and stable implant fixation achieved in all cases. No implant-related complications were reported., Conclusion: The use of individualized computer-simulated reduction and the design of C1-2 intra-articular 3D printed porous titanium alloy cage facilitates precise 3D realignment in patients with craniovertebral deformities, demonstrating effectiveness in symptom relief and stability., (© 2024. The Author(s).)
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- 2024
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12. A screw algorithm for congenital C2-3 fusion with high-riding vertebral arteries: feasibilities and clinical outcomes of five different fixation techniques.
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Jian Q, Hou Z, Zhao X, Wang Y, Liang C, and Fan T
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- Humans, Male, Female, Adult, Middle Aged, Treatment Outcome, Young Adult, Adolescent, Cervical Vertebrae surgery, Atlanto-Axial Joint surgery, Bone Screws, Aged, Spinal Fusion methods, Vertebral Artery surgery, Algorithms, Pedicle Screws
- Abstract
Objective: To propose a screw algorithm and investigate the anatomical feasibilities and clinical outcomes of five distinct fixation methods for C2-3 fused vertebra with high-ridding vertebral arteries (VA) (HRVA) when the C2 pedicle screw placement is unfeasible., Methods: Thirty surgical patients with congenital C2-3 fusion, HRVA, and atlantoaxial dislocation (AAD) were included. We designed a algorithm for alternative screw implantation into C2-3 fused vertebrae, including C2 pedicle screw with in-out-in (passing VA groove) technique (in-out-in screw), subfacetal screw, translaminar screw, lateral mass screw, C3 pedicle screw. VA diameter and position, C2 and C3 pedicles, superior facets, fused lamina, and fused lateral mass dimensions were evaluated for screw implantation indication. Implant failure, reduction loss, implant placement accuracy were investigated by computed tomography., Results: A total of 5 VAs were identified as distant VAs; a total of 2 VAs were categorized as occlusive VAs. Sufficient dimension of lateral mass and lamina provided the broadest indications for screw implantation, while the distant or occlusive VA provided the most limited indications for in-out-in screw. The indications of five alternative methods ranged from narrowest to widest as follows: in-out-in screw, C3 pedicle screw, subfacetal screw, translaminar screw, lateral mass screw. The translaminar screws and the lateral mass screws increased the probability of implant failure. All patients who received in-out-in screws, C3 pedicle screws, and subfacetal screws achieved fusion. The accuracy ranged from lowest to highest as follows: C3 pedicle screw, lateral mass screw, in-out-in screw, subfacetal screw, translaminar screw. No translaminar screws deviated., Conclusions: The algorithm proved to be a valuable tool for screw selection in cases of C2-3 fused vertebrae with HRVAs. The subfacetal screw, boasting broad indications, a high fusion rate, and exceptional accuracy, stood as the primary preferred alternative., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2024
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13. Association between polypharmacy and hard braking events in older adult drivers.
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Jian Q, Chihuri S, Andrews HF, Betz ME, DiGuiseppi C, Eby DW, Hill LL, Jones V, Mielenz TJ, Molnar LJ, Strogatz D, Lang BH, and Li G
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- Humans, Female, Male, Aged, Aged, 80 and over, Accidents, Traffic statistics & numerical data, Accidents, Traffic prevention & control, Risk Factors, Polypharmacy, Automobile Driving statistics & numerical data
- Abstract
Background: Polypharmacy (i.e., simultaneous use of two or more medications) poses a serious safety concern for older drivers. This study assesses the association between polypharmacy and hard braking events in older adult drivers., Methods: Data for this study came from a naturalistic driving study of 2990 older adults. Information about medications was collected through the "brown-bag review" method. Primary vehicles of the study participants were instrumented with data recording devices for up to 44 months. Multivariable negative binomial model was used to estimate the adjusted incidence rate ratios (aIRRs) and 95 % confidence intervals (CIs) of hard-braking events (i.e., maneuvers with linear deceleration rates ≥0.4 g) associated with polypharmacy., Results: Of the 2990 participants, 2872 (96.1 %) were eligible for this analysis. At the time of enrollment, 157 (5.5 %) drivers were taking fewer than two medications, 904 (31.5 %) were taking 2-5 medications, 895 (31.2 %) were taking 6-9 medications, 571 (19.9 %) were taking 10-13 medications, and 345 (12.0 %) were taking 14 or more medications. Compared to drivers using fewer than two medications, the risk of hard-braking events increased 8 % (aIRR 1.08, 95 % CI 1.04, 1.13) for users of 2-5 medications, 12 % (aIRR 1.12, 95 % CI 1.08, 1.16) for users of 6-9 medications, 19 % (aIRR 1.19, 95 % CI 1.15, 1.24) for users of 10-13 medications, and 34 % (aIRR 1.34, 95 % CI 1.29, 1.40) for users of 14 or more medications., Conclusions: Polypharmacy in older adult drivers is associated with significantly increased incidence of hard-braking events in a dose-response fashion. Effective interventions to reduce polypharmacy use may help improve driving safety in older adults., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier Ltd. All rights reserved.)
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- 2024
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14. Renal Transplant Anastomotic Pseudoaneurysm and Stenosis at the Proximal Transplant Renal Artery and Worse Renal Blood Flow After Stent Placement.
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Wang J, Li Y, and Yu JQ
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- Humans, Male, Middle Aged, Renal Circulation, Anastomosis, Surgical, Constriction, Pathologic, Renal Artery Obstruction diagnostic imaging, Renal Artery Obstruction physiopathology, Renal Artery Obstruction surgery, Kidney Transplantation adverse effects, Aneurysm, False diagnostic imaging, Stents, Renal Artery diagnostic imaging
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Abstract: A 60-year-old man with a history of end-stage renal disease received renal transplant and had decreasing renal function 4 months later. Nuclear medicine renal flow and functional study showed severely decreased blood flow and decreased function of the right renal allograft. There was focal increased radiotracer uptake at blood flow phase around the anastomosis of the renal allograft artery and the right external iliac artery. CT angiogram revealed right external iliac artery pseudoaneurysm. Interventional radiology angiography reconfirmed the pseudoaneurysm and revealed stenosis at the proximal transplant renal artery. After stent placement, however, there was worse renal allograft blood flow., Competing Interests: Conflicts of interest and sources of funding: none declared., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2024
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15. N6-methyladenosine modification of linc-OIP5 confers paclitaxel resistance in breast cancer through a DDX5-dependent mechanism.
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Wang X, Li P, Zhang Z, Wang X, Jian Q, and Wang Y
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Chemoresistance is a significant obstacle in the treatment of breast cancer (BC). Due to its diverse composition, the causes of chemoresistance in BC are complex and have not been completely understood. In this article, we explored the mechanism of N6-methyladenosine (m6A)-modified long intervening noncoding RNA (linc)-OIP5 in BC chemoresistance. We successfully constructed drug-resistant cell lines MCF-7/P and MDA-MB-231/P by exposing parental MDA-MB-231 and MCF-7 cells to escalating doses of paclitaxel (PTX) and revealed multiple m6A methylation modification sites on linc-OIP5 according to the predictive analysis of the SRAMP database. Linc-OIP5 expression and m6A modification were up-regulated in PTX-resistant BC cells. Inhibition of m6A modification or linc-OIP5 knockdown facilitated PTX-resistant and parental BC cell apoptosis and repressed proliferation and migration. Mechanistically, linc-OIP5 bound to TRIM5 and reduced the ubiquitination of DDX5, thus stabilizing the DDX5 protein. Additionally, DDX5 overexpression partly abrogated the suppressing effects of inhibited m6A modification or si-linc-OIP5 on cell proliferation, migration and PTX resistance. These findings indicate that m6A-modified linc-OIP5 reduced DDX5 ubiquitination and enhanced DDX5 stability by binding to TRIM5, thereby promoting BC cell proliferation, migration and PTX resistance, and inhibiting apoptosis., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier Inc. All rights reserved.)
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- 2024
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16. Effects of chemical solution components on the contact angle of typical minerals in soil: quartz, orthoclase and plagioclase.
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Tang L, Chen Y, Jian Q, Cheng Z, and Ding W
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Different chemical solutions can significantly change the contact angle (CA) of soil, but few studies have studied the change rule and action mechanism of the CA from the mineral composition of soil essence. In unsaturated soil mechanics, the CA is an important parameter to calculate the wet suction between soil particles in unsaturated soil. When the chemical composition of the soil pore liquid changes, the CA will also change, which will affect the wet suction and other parameters, thus changing the macroscopic mechanical properties of the soil. In this study, the CA of air-solution-mineral phases with different solution components (pH, type and concentration of salt solution) of different minerals (quartz, orthoclase and plagioclase) were measured. The results show that the CAs of quartz, orthoclase and plagioclase all rise first and then drop with the rise of pH. The peak CAs are pH = 5, pH = 4 and pH = 3, respectively. Quartz, orthoclase and plagioclase all have valley values in different concentrations of NaCl and KCl solutions. In CaCl
2 solution, only quartz has valley value, while orthoclase and plagioclase increase monotonously. Quartz in soil plays a main role in the influence of soil CA, followed by orthoclase and plagioclase. The CA of different minerals in different chemical solutions is mainly controlled by electric double layer interaction and functional groups interaction. In different salt solution environment, in addition to the above two effects, the mineral CA is also affected by the surface tension., (© 2024. The Author(s).)- Published
- 2024
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17. The role of clivus and atlanto-occipital lateral mass height in basilar invagination with or without atlas occipitalization.
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Jian Q, Bo X, Jian F, and Chen Z
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- Humans, Male, Female, Adult, Middle Aged, Young Adult, Adolescent, Cervical Atlas diagnostic imaging, Magnetic Resonance Imaging, Aged, Child, Tomography, X-Ray Computed, Cranial Fossa, Posterior, Atlanto-Occipital Joint
- Abstract
Basilar invagination (BI) is a common deformity. This study aimed to quantitatively evaluate the height of clivus and atlanto-occipital lateral mass (LM) in patients with BI with or without atlas occipitalization (AOZ). We evaluated 166 images of patients with BI and of controls. Seventy-one participants were control subjects (group A), 68 had BI with AOZ (group B), and 27 had BI without AOZ (group C). Parameters were defined and measured for comparisons across the groups. Multiple linear regression analysis was used to test the relationship between Chamberlain's line violation (CLV) and the clivus height ratio or atlanto-occipital LM height. Based on the degree of AOZ, the lateral masses in group B were classified as follows: segmentation, incomplete AOZ, complete AOZ. From groups A to C, there was a decreasing trend in the clivus height and clivus height ratio. There was a linear negative correlation between the clivus height ratio and CLV in the three groups. Generally, the atlanto-occipital LM height followed the order of group B < group C < group A. The atlanto-occipital LM height was included only in the equations of groups B. There were no cases of atlantoaxial dislocation (AAD) in group C. There was a decreasing trend in LM height from the segmentation type to the complete AOZ type in group B. BI can be divided into three categories: AOZ causes LM height loss; Clivus height loss; Both clivus and LM height loss. The clivus height ratio was found to play a decisive role in both controls and BI group, while the atlanto-occipital LM height loss caused by AOZ could be a secondary factor in patients with BI and AOZ. AOZ may be a necessary factor for AAD in patients with congenital BI. The degree of AOZ is associated with LM height in group B., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2024
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18. CdSe Quantum Dots Enable High Thermoelectric Performance in Solution-Processed Polycrystalline SnSe.
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Dou W, Gong Y, Huang X, Li Y, Zhang Q, Liu Y, Xia Q, Jian Q, Xiang D, Li D, Zhang D, Zhang S, Ying P, and Tang G
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Here, a high peak ZT of ≈2.0 is reported in solution-processed polycrystalline Ge and Cd codoped SnSe. Microstructural characterization reveals that CdSe quantum dots are successfully introduced by solution process method. Ultraviolet photoelectron spectroscopy evinces that CdSe quantum dots enhance the density of states in the electronic structure of SnSe, which leads to a large Seebeck coefficient. It is found that Ge and Cd codoping simultaneously optimizes carrier concentration and improves electrical conductivity. The enhanced Seebeck coefficient and optimization of carrier concentration lead to marked increase in power factor. CdSe quantum dots combined with strong lattice strain give rise to strong phonon scattering, leading to an ultralow lattice thermal conductivity. Consequently, high thermoelectric performance is realized in solution-processed polycrystalline SnSe by designing quantum dot structures and introducing lattice strain. This work provides a new route for designing prospective thermoelectric materials by microstructural manipulation in solution chemistry., (© 2024 Wiley‐VCH GmbH.)
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- 2024
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19. Biocontrol potential of plant growth-promoting rhizobacteria against plant disease and insect pest.
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Jian Q, Zhang T, Wang Y, Guan L, Li L, Wu L, Chen S, He Y, Huang H, Tian S, Tang H, and Lu L
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- Animals, Camellia sinensis microbiology, Camellia sinensis growth & development, Insecta microbiology, Thysanoptera microbiology, Disease Resistance, Plant Development, Biological Control Agents, Hemiptera microbiology, Plant Diseases microbiology, Plant Diseases prevention & control, Nicotiana microbiology, Pseudomonas syringae physiology, Pest Control, Biological methods
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Biological control is a promising approach to enhance pathogen and pest control to ensure high productivity in cash crop production. Therefore, PGPR biofertilizers are very suitable for application in the cultivation of tea plants (Camellia sinensis) and tobacco, but it is rarely reported so far. In this study, production of a consortium of three strains of PGPR were applied to tobacco and tea plants. The results demonstrated that plants treated with PGPR exhibited enhanced resistance against the bacterial pathogen Pseudomonas syringae (PstDC3000). The significant effect in improving the plant's ability to resist pathogen invasion was verified through measurements of oxygen activity, bacterial colony counts, and expression levels of resistance-related genes (NPR1, PR1, JAZ1, POD etc.). Moreover, the application of PGPR in the tea plantation showed significantly reduced population occurrences of tea green leafhoppers (Empoasca onukii Matsuda), tea thrips (Thysanoptera:Thripidae), Aleurocanthus spiniferus (Quaintanca) and alleviated anthracnose disease in tea seedlings. Therefore, PGPR biofertilizers may serve as a viable biological control method to improve tobacco and tea plant yield and quality. Our findings revealed part of the mechanism by which PGPR helped improve plant biostresses resistance, enabling better application in agricultural production., (© 2024. The Author(s), under exclusive licence to Springer Nature Switzerland AG.)
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- 2024
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20. Ethanolamine as a biomarker and biomarker-based therapy for diabetic retinopathy in glucose-well-controlled diabetic patients.
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Hu G, Gu L, Wang R, Jian Q, Lv K, Xia M, Lai M, Shen T, Hu J, Yang S, Ye C, Zhang X, Wang Y, Xu X, and Zhang F
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- Humans, Animals, Male, Female, Middle Aged, Glycated Hemoglobin analysis, Glycated Hemoglobin metabolism, Rats, Blood Glucose metabolism, Blood Glucose analysis, Prospective Studies, Diabetes Mellitus, Experimental blood, Aged, Diabetes Mellitus, Type 2 blood, Diabetes Mellitus, Type 2 complications, Glycemic Control methods, Diabetic Retinopathy blood, Diabetic Retinopathy diagnosis, Diabetic Retinopathy epidemiology, Biomarkers blood, Ethanolamine
- Abstract
Diabetic retinopathy (DR) is the leading cause of blindness among the working-age population. Although controlling blood glucose levels effectively reduces the incidence and development of DR to less than 50%, there are currently no diagnostic biomarkers or effective treatments for DR development in glucose-well-controlled diabetic patients (GW-DR). In this study, we established a prospective GW-DR cohort by strictly adhering to glycemic control guidelines and maintaining regular retinal examinations over a median 2-year follow-up period. The discovery cohort encompassed 71 individuals selected from a pool of 292 recruited diabetic patients at baseline, all of whom consistently maintained hemoglobin A1c (HbA1c) levels below 7% without experiencing hypoglycemia. Within this cohort of 71 individuals, 21 subsequently experienced new-onset GW-DR, resulting in an incidence rate of 29.6%. In the validation cohort, we also observed a significant GW-DR incidence rate of 17.9%. Employing targeted metabolomics, we investigated the metabolic characteristics of serum in GW-DR, revealing a significant association between lower levels of ethanolamine and GW-DR risk. This association was corroborated in the validation cohort, exhibiting superior diagnostic performance in distinguishing GW-DR from diabetes compared to the conventional risk factor HbA1c, with AUCs of 0.954 versus 0.506 and 0.906 versus 0.521 in the discovery and validation cohorts, respectively. Furthermore, in a streptozotocin (STZ)-induced diabetic rat model, ethanolamine attenuated diabetic retinal inflammation, accompanied by suppression of microglial diacylglycerol (DAG)-dependent protein kinase C (PKC) pathway activation. In conclusion, we propose that ethanolamine is a potential biomarker and represents a viable biomarker-based therapeutic option for GW-DR., Competing Interests: Conflict of interest The authors declare that they have no conflict of interest., (Copyright © 2024 Science China Press. Published by Elsevier B.V. All rights reserved.)
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- 2024
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21. Phylogenetic and mutational analysis of H10N3 avian influenza A virus in China: potential threats to human health.
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Dai J, Zhao J, Xia J, Zhang P, Ding Y, Li Q, Hou M, Xiong X, Jian Q, Liu Y, and Liu G
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- Humans, China epidemiology, Mutation, DNA Mutational Analysis, Animals, Influenza in Birds virology, Viral Proteins genetics, Sputum virology, Birds virology, Male, RNA, Viral genetics, Phylogeny, Influenza, Human virology, Neuraminidase genetics, Hemagglutinin Glycoproteins, Influenza Virus genetics, Influenza A virus genetics, Influenza A virus classification, Influenza A virus isolation & purification
- Abstract
In recent years, the avian influenza virus has emerged as a significant threat to both human and public health. This study focuses on a patient infected with the H10N3 subtype of avian influenza virus, admitted to the Third People's Hospital of Kunming City on March 6, 2024. Metagenomic RNA sequencing and polymerase chain reaction (PCR) analysis were conducted on the patient's sputum, confirming the H10N3 infection. The patient presented severe pneumonia symptoms such as fever, expectoration, chest tightness, shortness of breath, and cough. Phylogenetic analysis of the Haemagglutinin (HA) and neuraminidase (NA) genes of the virus showed that the virus was most closely related to a case of human infection with the H10N3 subtype of avian influenza virus found in Zhejiang Province, China. Analysis of amino acid mutation sites identified four mutations potentially hazardous to human health. Consequently, this underscores the importance of continuous and vigilant monitoring of the dynamics surrounding the H10N3 subtype of avian influenza virus, utilizing advanced genomic surveillance techniques., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Dai, Zhao, Xia, Zhang, Ding, Li, Hou, Xiong, Jian, Liu and Liu.)
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- 2024
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22. Bone or Tooth dentin: The TGF-β signaling is the key.
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Xu C, Xie X, Wu Y, Wang J, and Feng JQ
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- Animals, Mice, Tooth metabolism, Bone and Bones metabolism, X-Ray Microtomography, Receptor, Transforming Growth Factor-beta Type II metabolism, Receptor, Transforming Growth Factor-beta Type II genetics, Protein Serine-Threonine Kinases metabolism, Protein Serine-Threonine Kinases genetics, Mice, Knockout, Dentin metabolism, Transforming Growth Factor beta metabolism, Signal Transduction, Odontoblasts metabolism, Receptors, Transforming Growth Factor beta metabolism
- Abstract
To investigate the cell linkage between tooth dentin and bones, we studied TGF-β roles during postnatal dentin development using TGF-β receptor 2 ( Tgfβr2 ) cKO models and cell lineage tracing approaches. Micro-CT showed that the early Tgfβr2 cKO exhibit short roots and thin root dentin (n = 4; p<0.01), a switch from multilayer pre-odontoblasts/odontoblasts to a single-layer of bone-like cells with a significant loss of ~85% of dentinal tubules (n = 4; p<0.01), and a matrix shift from dentin to bone. Mechanistic studies revealed a statistically significant decrease in odontogenic markers, and a sharp increase in bone markers. The late Tgfβr2 cKO teeth displayed losses of odontoblast polarity, a significant reduction in crown dentin volume, and the onset of massive bone-like structures in the crown pulp with high expression levels of bone markers and low levels of dentin markers. We thus concluded that bones and tooth dentin are in the same evolutionary linkage in which TGF-β signaling defines the odontogenic fate of dental mesenchymal cells and odontoblasts. This finding also raises the possibility of switching the pulp odontogenic to the osteogenic feature of pulp cells via a local manipulation of gene programs in future treatment of tooth fractures., Competing Interests: Competing Interests: The authors have declared that no competing interest exists., (© The author(s).)
- Published
- 2024
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23. Tumor-informed deep sequencing of ctDNA detects minimal residual disease and predicts relapse in osteosarcoma.
- Author
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Fu Y, Xu Y, Liu W, Zhang J, Wang F, Jian Q, Huang G, Zou C, Xie X, Kim AH, Mathios D, Pang F, Li F, Wang K, Shen J, and Yin J
- Abstract
Background: Current surveillance modalities of osteosarcoma relapse exhibit limited sensitivity and specificity. Although circulating tumor DNA (ctDNA) has been established as a biomarker of minimal residual disease (MRD) in many solid tumors, a sensitive ctDNA detection technique has not been thoroughly explored for longitudinal MRD detection in osteosarcoma., Methods: From August 2019 to June 2023, 59 patients diagnosed with osteosarcoma at the First Affiliated Hospital of Sun Yat-sen University were evaluated in this study. Tumor-informed MRD panels were developed through whole exome sequencing (WES) of tumor tissues. Longitudinal blood samples were collected during treatment and subjected to multiplex PCR-based next-generation sequencing (NGS). Kaplan-Meier curves and Log-rank tests were used to compare outcomes, and Cox regression analysis was performed to identify prognostic factors., Findings: WES analysis of 83 patients revealed substantial mutational heterogeneity, with non-recurrent mutated genes accounting for 58.1%. Tumor-informed MRD panels were successfully obtained for 85.5% of patients (71/83). Among 59 patients with successful MRD panel customization and available blood samples, 13 patients exhibited positive ctDNA detection after surgery. Patients with negative post-operative ctDNA had better event-free survival (EFS) compared to those with positive ctDNA, at 1-6 months after surgery, after adjuvant chemotherapy, and more than 6 months after surgery (p < 0.05). In both univariate and multivariate Cox regression analysis, ctDNA results emerged as a significant predictor of EFS (p < 0.05). ctDNA detection preceded positive imaging in 5 patients, with an average lead time of 92.6 days. Thirty-nine patients remained disease-free, with ctDNA results consistently negative or turning negative during follow-up., Interpretation: Our study underscores the applicability of tumor-informed deep sequencing of ctDNA in osteosarcoma MRD surveillance and, to our knowledge, represents the largest cohort to date. ctDNA detection is a significant prognostic factor, enabling the early identification of tumor relapse and progression compared to standard imaging, thus offering valuable insights in guiding osteosarcoma patient management., Funding: The Grants of National Natural Science Foundation of China (No. 82072964, 82072965, 82203798, 82203026), the Natural Science Foundation of Guangdong (No. 2023A1515012659, 2023A1515010302), and the Regional Combination Project of Basic and Applied Basic Research Foundation of Guangdong (No. 2020A1515110010)., Competing Interests: Q.J., F.P., F.L. and K.W. are employees of OrigiMed. A.H.K. is a consultant for Monteris Medical and received a research grant on dural substitute from Stryker. The other authors declare no competing interests., (© 2024 The Author(s).)
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- 2024
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24. Optimal conditions for adenoviral transduction of immature dendritic cells without affecting the tolerogenic activity of DC-based immunotherapy.
- Author
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Jian Q, Fu Z, Wang H, Zhang H, and Ma Y
- Subjects
- Animals, Mice, Heart Transplantation, Mice, Inbred C57BL, Interleukin-6 metabolism, Immune Tolerance, B7-1 Antigen genetics, B7-1 Antigen metabolism, Th1 Cells immunology, Th17 Cells immunology, B7-2 Antigen metabolism, B7-2 Antigen genetics, Dendritic Cells immunology, Adenoviridae genetics, Transduction, Genetic, Immunotherapy methods, Genetic Vectors genetics
- Abstract
Dendritic cells (DCs) play a pivotal role in maintaining immune tolerance. Using recombinant adenovirus (rAd) to deliver vectors to immature dendritic cells (imDCs) is an important method for studying the tolerogenic function of DCs. We found that using RPMI medium and a higher MOI during transduction increased the expression of CD80, CD86, and MHC-II on the surface of imDCs. Our data reveal a significant increase in the secretion of the pro-inflammatory cytokine IL-6 in the group showing the most pronounced phenotypic changes. In the mouse heart transplant model, imDCs with unstable phenotype and function due to adenoviral transduction resulted in an increased proportion of Th1 and Th17 cells in recipients. However, these effects can be managed, and our proposed optimized transduction strategy significantly minimizes these adverse effects. Our study holds significant implications for the development and optimization of immunotherapy utilizing tolerogenic dendritic cells., Competing Interests: Declaration of Competing Interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest, (Copyright © 2024 Elsevier B.V. All rights reserved.)
- Published
- 2024
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25. Plant growth-promoting rhizobacteria (PGPR) improve the growth and quality of several crops.
- Author
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Zhang T, Jian Q, Yao X, Guan L, Li L, Liu F, Zhang C, Li D, Tang H, and Lu L
- Abstract
Plant growth-promoting rhizobacteria (PGPR) are known to have the effect of promoting plant growth. In this paper, three PGPR strains were selected from the previous work, which had plant growth-promoting activities such as phosphate solubilization, nitrogen fixation, phosphorus mobilization, etc. These strains named FJS-3( Burkholderia pyromania ), FJS-7( Pseudomonas rhodesiae ), and FJS-16( Pseudomonas baetica ), respectively, were prepared into solid biological agents. Three widely planted commercial crops (tea plant, tobacco, and chili pepper) were selected for PGPR growth promotion verification. The results showed that the new shoots of tea seedlings under PGPR treatment were much more than the control. We also used tobacco, another important crop in Guizhou, to test the growth-promoting effect of individual bacteria, and the results showed that each of them could promote the growth of tobacco plants, and FJS-3( Burkholderia pyrrocinia ) had the best effect. In addition, we carried out experiments on tobacco and pepper using multi-strain PGPR, the tobacco plants' height, fresh, and root weight increased by 30.15 %, 37.36 %, and 54.5 %, respectively, and the pepper plants' increased by 30.10 %, 56.38 % and 43.18 %, respectively, which both showed significantly better effects than that of a single strain. To further test the field performance, field trials were carried out in a mature Longjing43 tea plantation in Guizhou. There were four treatments: no fertilization (T
1 ), combined application of PGPR biological agent and compound fertilizer (T2 ), only application of PGPR (T3 ), and only application of compound fertilizer (T4 ). In terms of yield, grouped with or without PGPR, there was a 15.38 % (T2 :T4 ) and 92.31 % (T3 :T1 ) increase between them, respectively. The tea's yield and tea flavor substances such as tea polyphenols, caffeine, and theanine were detected, and the T2 showed the most significant positive effect on both sides. Especially, an important indicator of Matcha green tea is the color, chlorophyll content was then tested, and PGPR application increased it and improved the appearance. All these results demonstrated that the PGPR we screened could significantly promote plant growth and quality improvement, and had good application potential in crop planting, which could contribute to environmental protection and economic growth., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2024 The Authors. Published by Elsevier Ltd.)- Published
- 2024
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26. Pharmacodynamic components and mechanisms of ginger (Zingiber officinale) in the prevention and treatment of colorectal cancer.
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Xiang S, Jian Q, Chen W, Xu Q, Li J, Wang C, Wang R, Zhang D, Lin J, and Zheng C
- Subjects
- Animals, Antioxidants pharmacology, Intestines, Anti-Inflammatory Agents therapeutic use, Plant Extracts pharmacology, Plant Extracts therapeutic use, Plant Extracts chemistry, Zingiber officinale, Colorectal Neoplasms drug therapy, Colorectal Neoplasms prevention & control, Colorectal Neoplasms metabolism
- Abstract
Ethnopharmacological Relevance: Ginger is a "medicine-food homology" natural herb and has a longstanding medicinal background in treating intestinal diseases. Its remarkable bioactivities, including anti-inflammatory, antioxidant, immunoregulatory, flora regulatory, intestinal protective, and anticancer properties, make it a promising natural medicine for colorectal cancer (CRC) prevention and treatment., Aim of the Review: The purpose is to review the relevant literature on ginger and pharmacodynamic components for CRC prevention and treatment, summarize the possible mechanisms of ginger from clinical studies and animal and in vitro experiments, to provide theoretical support for the use of ginger preparations in the daily prevention and clinical treatment of CRC., Materials and Methods: Literatures about ginger and CRC were searched from electronic databases, such as PubMed, Web of Science, ScienceDirect, Google Scholar and China National Knowledge Infrastructure (CNKI)., Results: This article summarizes the molecular mechanisms of ginger and its pharmacodynamic components in the prevention and treatment of CRC, including anti-inflammatory, antioxidant, immunoregulatory, flora regulatory, intestinal protective, inhibit CRC cell proliferation, induce CRC cell cycle blockage, promote CRC cell apoptosis, suppress CRC cell invasion and migration, enhance the anticancer effect of chemotherapeutic drugs., Conclusions: Ginger has potential for daily prevention and clinical treatment of CRC., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier B.V. All rights reserved.)
- Published
- 2024
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27. Sishen Pill and its active phytochemicals in treating inflammatory bowel disease and colon cancer: an overview.
- Author
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Zhang B, Cheng Y, Jian Q, Xiang S, Xu Q, Wang C, Yang C, Lin J, and Zheng C
- Abstract
The incidence of inflammatory bowel disease (IBD) and the associated risk of colon cancer are increasing globally. Traditional Chinese medicine (TCM) treatment has unique advantages. The Sishen Pill, a common Chinese patented drug used to treat abdominal pain and diarrhea, consists mainly of Psoraleae Fructus, Myristicae Semen, Euodiae Fructus, and Schisandra Chinensis. Modern research has confirmed that Sishen Pill and its active secondary metabolites, such as psoralen, myristicin, evodiamine, and schisandrin, can improve intestinal inflammation and exert antitumor pharmacological effects. Common mechanisms in treating IBD and colon cancer mainly include regulating inflammation-related signaling pathways such as nuclear factor-kappa B, mitogen-activated protein kinase, phosphatidylinositol 3-kinase, NOD-like receptor heat protein domain-related protein 3, and wingless-type MMTV integration site family; NF-E2-related factor 2 and hypoxia-inducible factor 1α to inhibit oxidative stress; mitochondrial autophagy and endoplasmic reticulum stress; intestinal immune cell differentiation and function through the Janus kinase/signal transducer and activator of transcription pathway; and improving the gut microbiota and intestinal barrier. Overall, existing evidence suggests the potential of the Sishen pill to improve IBD and suppress inflammation-to-cancer transformation. However, large-scale randomized controlled clinical studies and research on the safety of these clinical applications are urgently required., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Zhang, Cheng, Jian, Xiang, Xu, Wang, Yang, Lin and Zheng.)
- Published
- 2024
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28. Letter to the Editor. Surgical strategies for basilar invagination with or without atlantoaxial instability.
- Author
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Jian Q and Fan T
- Subjects
- Humans, Decompression, Surgical, Spinal Diseases surgery, Joint Instability surgery, Atlanto-Axial Joint surgery, Platybasia surgery, Joint Dislocations surgery
- Published
- 2024
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29. Maternal history of Alzheimer's disease predisposes to altered serum cholesterol levels in adult offspring.
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Liang Y, Deng MG, Jian Q, Liu M, Fang K, and Chen S
- Subjects
- Adult, Humans, Genome-Wide Association Study, Genetic Predisposition to Disease genetics, Polymorphism, Single Nucleotide, Cholesterol, Adult Children, Alzheimer Disease genetics
- Abstract
Controversial findings regarding the association between serum cholesterol levels and Alzheimer's disease (AD) have been identified through observational studies. The genetic basis shared by both factors and the causality between them remain largely unknown. The objective of this study is to examine the causal impact of maternal history of AD on changes in serum cholesterol levels in adult offspring. By retrieving genetic variants from summary statistics of large-scale genome-wide association study of maternal history of AD (European-based: Ncase = 27 696, Ncontrol = 260 980). The causal association between genetically predicted maternal history of AD and changes in serum cholesterol levels in adult offspring was examined using the two-sample Mendelian randomization (MR) method. Causal impact estimates were calculated using single-nucleotide polymorphisms in both univariable MR (UMR) and multivariable MR (MVMR) analyses. Additionally, other approaches, such as Cochran's Q test and leave-one-out variant analysis, were employed to correct for potential biases. The results of UMR presented that genetically predicted maternal history of AD was positively associated with hypercholesterolemia (OR = 1.014; 95% CI: 1.009-1.018; p < 0.001), total cholesterol (OR = 1.29; 95% CI: 1.134-1.466; p < 0.001) and low-density lipoprotein (OR = 1.525; 95% CI: 1.272-1.828; p < 0.001) among adult offspring. Genetic predisposition for maternal history of AD to be negatively associated with high-density lipoprotein (OR = 0.889; 95% CI: 0.861-0.917; p < 0.001). The MVMR analysis remained robust and significant after adjusting for diabetes and obesity in offspring. Sufficient evidence was provided in this study to support the putative causal impact of maternal history of AD on the change of serum cholesterol profile in adult offspring. In clinical practice, priority should be given to the detection and monitoring of cholesterol levels in individuals with a maternal history of AD, particularly in the early stages., (© 2024 International Society for Neurochemistry.)
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- 2024
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30. Cushing's syndrome caused by adrenocortical oncocytoma: A case report.
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Gou C, Jian Q, Tian M, Li J, Zhang Y, and Guo Z
- Abstract
Adrenal cortical eosinophilic adenoma usually presents as non-functional adrenal tumor but may lead to Cushing's syndrome in patients. The present article reports a patient with Cushing's syndrome caused by right adrenocortical oncocytoma. The patient was treated in Urology Department of Wuchuan People's Hospital (Zunyi, China) in November 2022 because of hirsutism, weight gain and hypertension. A laparoscopic right adrenal tumor resection was performed using an abdominal approach. Following surgery, blood pressure and heart rate of the patient fluctuated within a healthy range and menstruation returned to normal. Laparoscopic adrenalectomy has obvious advantages over open adrenalectomy, such as less trauma, shorter recovery time and fewer complications. Thus, this treatment for this rare disease is safe and feasible., Competing Interests: The authors declare that they have no competing interests., (Copyright: © 2024 Gou et al.)
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- 2024
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31. The role of ApoE in fatty acid transport from neurons to astrocytes under ischemia/hypoxia conditions.
- Author
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Chen H, Zhao S, Jian Q, Yan Y, Wang S, Zhang X, and Ji Y
- Subjects
- Animals, Humans, Rats, Fatty Acid-Binding Proteins, Fatty Acids metabolism, Hypoxia metabolism, Ischemia, Neurons metabolism, Apolipoprotein E4 genetics, Astrocytes metabolism, Boron Compounds
- Abstract
Background: The aim of this study was to investigate whether ischemia/hypoxia conditions induce fatty acid transport from neurons to astrocytes and whether this mechanism is affected by ApoE isoforms., Methods and Results: A neonatal rat model of hypoxic-ischemic brain damage was established. Excessive accumulation of lipid droplets and upregulation of ApoE expression occurred in the hippocampus and cerebral cortex after hypoxia-ischemia, which implied the occurrence of abnormal fatty acid metabolism. Lipid peroxidation was induced in an oxygen-glucose deprivation and reperfusion (OGDR) model of ApoE
-/- primary neurons. The number of BODIPY 558/568 C12-positive particles (fatty acid markers) transferred from neurons to astrocytes was significantly increased with the addition of human recombinant ApoE compared with that in the OGDR group, which significantly increased the efficiency of fatty acid transport from neurons to astrocytes and neuronal viability. However, ApoE4 was found to be associated with lower efficiency in fatty acid transport and less protective effects in OGDR-induced neuronal cell death than both ApoE2 and ApoE3. COG133, an ApoE-mimetic peptide, partially compensated for the adverse effects of ApoE4. FABP5 and SOD1 gene and protein expression levels were upregulated in astrocytes treated with BODIPY 558/568 C12 particles., Conclusions: In conclusion, ApoE plays an important role in mediating the transport of fatty acids from neurons to astrocytes under ischemia/hypoxia conditions, and this transport mechanism is ApoE isoform dependent. ApoE4 has a low transfer efficiency and may be a potential target for the clinical treatment of neonatal hypoxic-ischemic encephalopathy., (© 2024. The Author(s), under exclusive licence to Springer Nature B.V.)- Published
- 2024
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32. Two new species of Aulacaspis Cockerell, 1893 (Hemiptera: Coccomorpha: Diaspididae) from China, with an identification key to Chinese species.
- Author
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Jian Q and Xing J
- Subjects
- Humans, Female, Animals, China, Universities, Hemiptera anatomy & histology, Lauraceae
- Abstract
Two new armoured scale insect species (Hemiptera: Coccomorpha: Diaspididae) are described and illustrated from Guizhou Province, China. Aulacaspis pericampylus sp. n. was collected from Pericampylus glaucus (Menispermaceae) and Aulacaspis multispinata sp. n. was collected from Cinnamomum camphora (Lauraceae). The type specimens of both new species are deposited in the Institute of Entomology, Guizhou University, Guiyang, China (GUGC). A key to the Aulacaspis species known from China, based on the morphology of the adult females, is provided.
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- 2024
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33. Integrated analysis of metabolomic and transcriptomic profiling reveals the effect of Atractylodes oil on Spleen Yang Deficiency Syndrome in rats.
- Author
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Zhan X, Xiao Y, Jian Q, Dong Y, Ke C, Zhou Z, Liu Y, and Tu J
- Subjects
- Rats, Animals, Yang Deficiency drug therapy, Sirtuin 1 metabolism, AMP-Activated Protein Kinases metabolism, Transcriptome, Atractylodes chemistry, Splenic Diseases drug therapy
- Abstract
Ethnopharmacological Relevance: Spleen Yang Deficiency Syndrome (SYDS), which is a syndrome commonly treated with Traditional Chinese Medicine (TCM), manifests as overall metabolic dysfunction caused mainly by digestive system disorders. Atractylodes lancea (Thunb.) DC. (AL) is a widely used traditional herb with the efficacy of eliminate dampness and strengthen the spleen, Atractylodes oil (AO) is a medicinal component of AL and can be used to treat various gastrointestinal disorders. However, its effects on SYDS and underlying mechanisms have not been clarified to date., Aim of the Study: The present study aimed to investigate the efficacy of AO in the improvement of the symptoms of SYDS in rat and the underlying mechanism by integrating transcriptomics, and metabolomics., Materials and Methods: The SYDS rats induced by reserpine were treated with AO. The protective effect of AO on SYDS rats was evaluated by serum biochemical detection, histopathological analyses. Enzyme-linked immunosorbent assay (ELISA), colorimetric assay and immunofluorescence (IF) were performed to determine the levels of relevant indicators of mitochondrial function and energy metabolism in the liver. Liver metabolites and transcript levels were assessed by non-targeted metabolomics and transcriptomics to analyze potential molecular mechanisms and targets. The expression of the corresponding proteins was verified using Western blotting., Results: AO not only regulated the digestion, absorption function and oxidative stress status of SYDS rats, but also improved mitochondrial function and alleviated energy metabolism disorders in SYDS rats. Metabolomic and transcriptomic analyses demonstrated that AO regulation is mainly exerted in amino acid metabolism, unsaturated fatty acid metabolism, TCA cycle as well as PPAR and AMPK signaling pathways. In addition, The AMPK signaling pathway was verified and AO promoted AMPK phosphorylation and the expression of SIRT1, PGC-1α, and PPARα in SYDS rats., Conclusions: The therapeutic effect of AO on SYDS is potentially attributable to activation of the AMPK/SIRT1/PGC-1α signaling pathway, which enhances transport and regulation of energy metabolism., Competing Interests: Declaration of competing interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Elsevier B.V. All rights reserved.)
- Published
- 2024
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- View/download PDF
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