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Wang Q, Liang L, Xi F, Wu Q, Xue Y, Cheng L, Zhang Y, Meng X. Kinetics Studies on Toxic Hexavalent Chromium Removal from Aqueous Solutions by Magnetic Nano-Magnetite. NEPT 2021. [DOI: 10.46488/nept.2021.v20i01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Su CK, Liu CM, Meng X, Hua ZD, Duan K. Rapid Qualitative and Quantitative Analysis of Caffeine and Sodium Benzoate in Annaca by Infrared Spectroscopy. Fa Yi Xue Za Zhi 2021; 37:33-37. [PMID: 33780182 DOI: 10.12116/j.issn.1004-5619.2019.390901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Indexed: 06/12/2023]
Abstract
Objective To establish an infrared spectroscopic method for the rapid qualitative and quantitative analysis of caffeine and sodium benzoate in Annaka samples. Methods Qualitative and quantitative modeling samples were prepared by mixing high-purity caffeine and sodium benzoate. The characteristic absorption peaks of caffeine and sodium benzoate in Annaka samples were determined by analyzing the infrared spectra of the mixed samples. The quantitative model of infrared spectra was established by partial least squares (PLS). Results By analyzing the infrared spectra of 17 mixed samples of caffeine and sodium benzoate (the purity of caffeine ranges from 10% to 80%), the characteristic absorption peaks for caffeine were determined to be 1 698, 1 650, 1 237, 972, 743, and 609 cm-1. The characteristic absorption peaks for sodium benzoate were 1 596, 1 548, 1 406, 845, 708 and 679 cm-1. When the detection of all characteristic absorption peaks was the positive identification criteria, the positive detection rate of caffeine and sodium benzoate in 48 seized Annaka samples was 100%. The linear range of PLS quantitative model for caffeine was 10%-80%, the coefficient of determination ( R2) was 99.9%, the root mean square error of cross validation (RMSECV) was 0.68%, and the root mean square error of prediction (RMSEP) was 0.91%; the linear range of PLS quantitative model for sodium benzoate was 20%-90%, the R2 was 99.9%, the RMSECV was 0.91% and the RMSEP was 1.11%. The results of paired sample t test showed that the differences between the results of high performance liquid chromatography method and infrared spectroscopy method had no statistical significance. The established infrared quantitative method was used to analyze 48 seized Annaka samples, the purity of caffeine was 27.6%-63.1%, and that of sodium benzoate was 36.9%-72.3%. Conclusion The rapid qualitative and quantitative analysis of caffeine and sodium benzoate in Annaka samples by infrared spectroscopy method could improve identification efficiency and reduce determination cost.
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Affiliation(s)
- C K Su
- Ordos Public Security Bureau, Ordos 017000, Inner Mongolia Autonomous Region, China
| | - C M Liu
- Key Laboratory of Drug Monitoring and Control, Drug Intelligence and Forensic Center, the Ministry of Public Security of the People's Republic of China, Beijing 100193, China
| | - X Meng
- Key Laboratory of Drug Monitoring and Control, Drug Intelligence and Forensic Center, the Ministry of Public Security of the People's Republic of China, Beijing 100193, China
| | - Z D Hua
- Key Laboratory of Drug Monitoring and Control, Drug Intelligence and Forensic Center, the Ministry of Public Security of the People's Republic of China, Beijing 100193, China
| | - K Duan
- Ordos Public Security Bureau, Ordos 017000, Inner Mongolia Autonomous Region, China
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Xue Y, Liang L, Wu Q, Zhang Y, Cheng L, Meng X. Removal of Azo Dyes Reactive Black from Water by Zero-Valent Iron: The Efficiency and Mechanism. NEPT 2020. [DOI: 10.46488/nept.2020.v19i05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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54
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Xu N, Liu C, Feng Y, Li F, Meng X, Lv Q, Lan C. Influence of the Internet of Things management system on hand hygiene compliance in an emergency intensive care unit. J Hosp Infect 2020; 109:101-106. [PMID: 33346043 DOI: 10.1016/j.jhin.2020.12.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 12/01/2020] [Accepted: 12/10/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Hand hygiene is a critical strategy for infection prevention in all healthcare settings. Automated electronic monitoring systems are expected to improve hand hygiene performance. AIM To investigate the impact of the Internet of Things (IoT) management system on hand hygiene compliance among medical staff in an emergency intensive care unit (EICU). METHODS This retrospective observational study was conducted between July 1st, 2017 and February 28th, 2018 in a 19-bed EICU. The changes in hand hygiene compliance among 54 members of medical staff and the incidence of hospital infections were compared, counted, and analysed before and after implementing the IoT management system in the EICU that was initiated on November 1st, 2017. FINDINGS After the application of the IoT management system, the hand hygiene compliance rates among the members of the medical staff before (29.5% (3347/11,338) vs 57.9% (4690/8094), P < 0.001) and after (59.9% (9915/16,556) vs 73.8% (17,194/23 286), P < 0.001) the contact with patients and surrounding environment significantly improved. However, hand hygiene compliance among three cleaning staff did not significantly improve after the application. Moreover, there was no significant difference in healthcare-acquired infection rates (2.535% (9/355) vs 2.047% (7/342), P = 0.667) nor in the detection rates of the four major multidrug-resistant bacteria in the EICU before and after the application of the IoT management system (P > 0.05). CONCLUSION The IoT management system significantly improved hand hygiene compliance among medical staff, except cleaners, in the EICU of one provincial hospital; however, the rates of nosocomial infection did not significantly decrease. The quality of hand hygiene implementation needs to be improved.
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Affiliation(s)
- N Xu
- Emergency Intensive Care Unit, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - C Liu
- Department of Infection Management, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Y Feng
- Department of Infection Management, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - F Li
- Department of Infection Management, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - X Meng
- Emergency Intensive Care Unit, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Q Lv
- Emergency Intensive Care Unit, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - C Lan
- Emergency Intensive Care Unit, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, PR China.
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Liang LP, Wang Q, Xi FF, Tan WS, Zhang YT, Cheng LB, Wu Q, Xue YY, Meng X. Effective Removal of Cr(VI) from Aqueous Solution Using Modified Orange Peel Powder: Equilibrium and Kinetic Study. NEPT 2020. [DOI: 10.46488/nept.2020.v19i04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Meng X, Wu X, Zheng Y, Shang K, Jing R, Jiao P, Zhou C, Zhou J, Sun J. Exploiting Ca 2+ signaling in T cells to advance cancer immunotherapy. Semin Immunol 2020; 49:101434. [PMID: 33272900 DOI: 10.1016/j.smim.2020.101434] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/10/2020] [Accepted: 11/18/2020] [Indexed: 12/17/2022]
Abstract
Decades of basic research has established the importance of Ca2+ to various T cell functions, such as cytotoxicity, proliferation, differentiation and cytokine secretion. We now have a good understanding of how proximal TCR signaling initiates Ca2+ influx and how this influx subsequently changes transcriptional activities in T cells. As chimeric antigen receptor (CAR)-T therapy has achieved great clinical success, is it possible to harness Ca2+ signaling to further advance CAR-T research? How is CAR signaling different from TCR signaling? How can functional CARs be identified in a high-throughput way? Quantification of various Ca2+ signals downstream of CAR/TCR activation might help answer these questions. Here we first summarized recent studies that used Ca2+ dye, genetically-encoded Ca2+ indicators (GECI) or transcriptional activity reporters to understand CAR activation in vitro and in vivo. We next reviewed several proof-of-concept reports that manipulate Ca2+ signaling by light or ultrasound to achieve precise spatiotemporal control of T cell functions. These efforts, though preliminary, opened up new avenues to solve the on-target/off-tumor problem of therapeutic T cells. Other modalities to regulate Ca2+ signaling, such as radio wave and electrical pulse, were also discussed. Thus, monitoring or manipulating Ca2+ signaling in T cells provides us many opportunities to advance cancer immunotherapy.
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Affiliation(s)
- Xianhui Meng
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang, China
| | - Xiaoyan Wu
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang, China
| | - Yuyuan Zheng
- School of Public Health, and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Kai Shang
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang, China; Institute of Hematology, Zhejiang University, Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Zhejiang, China; Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Zhejiang, China
| | - Ruirui Jing
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang, China; Institute of Hematology, Zhejiang University, Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Zhejiang, China; Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Zhejiang, China
| | - Peng Jiao
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang, China; Institute of Hematology, Zhejiang University, Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Zhejiang, China; Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Zhejiang, China
| | - Chun Zhou
- School of Public Health, and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Jing Zhou
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China.
| | - Jie Sun
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang, China.
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Meng X, Yang JP. [Research on the spread of the book Shiyi Xinjian in ancient and modern times]. Zhonghua Yi Shi Za Zhi 2020; 50:369-372. [PMID: 33596614 DOI: 10.3760/cma.j.cn112155-20200514-00070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Three volumes of Shiyi Xinjian, written by Zan Yin of Tang Dynasty, contains the theories and prescriptions of food treatment in various branches, which have far-reaching influence on food treatment and clinical treatment. The book was written in the 9th century A. D. as a dietary therapy prescription. In the Northern Song Dynasty, the book of Shiyi Xinjian was still surviving. It has been cited in Taiping Shenghuifang: Shizhi, Yanglao Fengqinshu, Zhenglei Bencao(, Classified Materia Medica from Historical Classics for Emergency) and Shengji Zonglu: Shizhimen. After the Jingkang Incident, the book was rare, and even may have been lost. Until the Ming Dynasty, the book was completely disappeared in China. However, there are some Quotes in the book Zhenglei Bencao and other books, and the contents of this book are still often cited by later medical books. After that, the Japanese collected 211 prescriptions of Shiyi Xinjian from Euibangyoochui in Korea. Luo Zhenyu brought them back to China and published them in the Dongfang Xuehui in 1924, which made the Shiyi Xinjian appear in a separate volume in China for the first time since it was lost, which promoted the spread of the book in China. After the founding of the People's Republic of China, some of the scholars collected it again, which improved the content of the book.
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Affiliation(s)
- X Meng
- Institute of Chinese Medical Literature and Culture, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - J P Yang
- Institute of Chinese Medical Literature and Culture, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
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Liang S, Zhao H, Li C, Meng X. 122P Nomogram to predict short-term effect of radiotherapy based on pre/post-treatment inflammatory biomarkers and their dynamic changes in esophageal squamous cell carcinoma. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Liu J, Yu J, Meng X. Identifying Optimal First-Line Interventions for Advanced Non-Small Cell Lung Carcinoma According to PD-L1 Expression: A Systematic Review and Network Meta-Analysis. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Cai G, Meng X, Yu J. The Predictive Value of Substructure and Whole Heart Dosimetric Variables for Cardiac Events and Overall Survival in Locally Advanced Esophageal Cancer receiving Chemoradiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Liu J, Yu J, Meng X. Prognostic Value of a Novel Nomogram Combining 18F-Alfatide PET/CT with Inflammatory Biomarkers in Patients with Advanced NSCLC Receiving Bevacizumab Combination Therapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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62
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Wang S, Meng X, Wang L. Analysis Of The Therapeutic Effect Of Albumin-Bound Paclitaxel Intrathecal Injection Chemotherapy On Meningeal Metastasis Of Lung Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Wang Z, Han X, Guo J, Zhu D, Zhang X, Tang X, Meng X. 402P Efficacy and safety of sintilimab plus docetaxel in patients with previously treated advanced non-small cell lung cancer (NSCLC). Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Wang Q, Zhao J, Han X, Er P, Meng X, Shi J, Sun H, Zhu J, Zhu L, Wu S, Zhang W, Sun B. Is There A Role of Post-Mastectomy Radiotherapy for T1-2 Breast Cancer Patients with Node-Positive Pathology who Develop Pathologic Negative Lymph Nodes after Neoadjuvant Chemotherapy and Mastectomy? Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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65
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Geng T, Pan Y, Liu ZZ, Yuan C, Wang P, Meng X. Time-dependent Microhardness Gradients of Self-adhesive Resin Cements Under Dual- and Self-curing Modes. Oper Dent 2020; 45:E280-E288. [PMID: 33215201 DOI: 10.2341/19-006-l] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/15/2019] [Indexed: 11/23/2022]
Abstract
CLINICAL RELEVANCE Acid-functional monomers in self-adhesive resin cements may decrease their self-curing polymerization ability. Light irradiation optimizes polymerization performance. SUMMARY Purpose: The aim of this study was to investigate Knoop microhardness of self-adhesive resin cements under dual- and self-curing modes in simulated canals for describing the polymerization behavior.Methods and Materials: Slots in lightproof silicone cylinders with one open end were filled with the following eight materials: a traditional resin cement (Duolink), a core build-up resin material (MultiCore Flow), and six self-adhesive resin cements (RelyX Unicem 2, G-Cem Automix, Maxcem, Biscem, Multilink Speed, and PermaCem 2.0). The resins were exposed to light through the open end and then stored in a lightproof box. The Knoop hardness gradient for each resin was measured after 1 hour and 120 hours. Surface readings were obtained at 1-mm intervals from 1 mm to 10 mm away from the open ends. The data were analyzed by two-way analysis of variance and the Student-Newman-Keuls test (α=0.05).Results: All the resin materials had stable Knoop hardness numbers (KHNs) at a certain depth; their KHNs in the self-curing mode did not change (p>0.05). The region above this certain depth was regarded as having undergone the dual-curing mode, and the KHN decreased gradually with depth (p<0.05). Between 1 and 120 hours postexposure, the ratio of the KHN at a 5-mm depth (self-cured) to that at a 1-mm depth (dual-cured) increased in Duolink and MultiCore Flow. However, the ratios of the six adhesive resin cements varied.Conclusion: Without light, most self-adhesive resin cements differed from traditional dual-cured resin materials in terms of Knoop micro-hardness, and they had a lesser capacity for chemical-induced curing.
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Cai G, Meng X, Yu J. A Novel Independent Risk Factor for Radiation Pneumonitis in Lung Cancer Patients Receiving Definitive Radiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Hou Y, Jing W, Zhu H, Meng X, Yu J. Grade 4 Lymphopenia Induced by High Cardiac Radiation Exposure Predicted the Poor Prognosis in Left Non-Small Cell Lung Cancer Receiving Postoperative Radiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Meng X, Zhang G, Cao H, Yu D, Fang X, de Vos WM, Wu H. Gut dysbacteriosis and intestinal disease: mechanism and treatment. J Appl Microbiol 2020; 129:787-805. [PMID: 32277534 PMCID: PMC11027427 DOI: 10.1111/jam.14661] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/14/2020] [Accepted: 03/30/2020] [Indexed: 12/13/2022]
Abstract
The gut microbiome functions like an endocrine organ, generating bioactive metabolites, enzymes or small molecules that can impact host physiology. Gut dysbacteriosis is associated with many intestinal diseases including (but not limited to) inflammatory bowel disease, primary sclerosing cholangitis-IBD, irritable bowel syndrome, chronic constipation, osmotic diarrhoea and colorectal cancer. The potential pathogenic mechanism of gut dysbacteriosis associated with intestinal diseases includes the alteration of composition of gut microbiota as well as the gut microbiota-derived signalling molecules. The many correlations between the latter and the susceptibility for intestinal diseases has placed a spotlight on the gut microbiome as a potential novel target for therapeutics. Currently, faecal microbial transplantation, dietary interventions, use of probiotics, prebiotics and drugs are the major therapeutic tools utilized to impact dysbacteriosis and associated intestinal diseases. In this review, we systematically summarized the role of intestinal microbiome in the occurrence and development of intestinal diseases. The potential mechanism of the complex interplay between gut dysbacteriosis and intestinal diseases, and the treatment methods are also highlighted.
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Affiliation(s)
- X Meng
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun, PR China
| | - G Zhang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun, PR China
| | - H Cao
- InnovHope Inc, Framingham, MA, USA
| | - D Yu
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun, PR China
| | - X Fang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun, PR China
| | - W M de Vos
- Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - H Wu
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
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Zhu Y, Wang J, Meng X. Tumor cell membrane-based peptide delivery system targeting to tumor microenvironment for cancer immunotherapy and diagnosis. Eur J Cancer 2020. [DOI: 10.1016/s0959-8049(20)31171-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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70
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Liang S, Li C, Wang L, Zhao H, Meng X. 1483P Tumor volume dynamic change during radiotherapy as a potential prognostic factor for short-term effect in patients with esophageal squamous cell carcinoma. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Wang Q, Xi FF, Liang LP, Zhang YT, Xue YY, Wu Q, Cheng LB, Meng X. Adsorption of Dye Reactive Brilliant Red X-3B by Rice Wine Lees from Aqueous Solutions. NEPT 2020. [DOI: 10.46488/nept.2020.v19i03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Veccia A, Steward J, Derweesh I, Margulis V, Uzzo R, Abdollah F, Minervini A, Cacciamani G, Mottrie A, Simone G, Rha K, Eun D, Mehrazin R, Gonzalgo M, Ghali F, Meng X, Srivastava A, Jamil M, Tellini R, Aron M, Mazzone E, Al-Qathani A, Asghar A, Sundaram C, Autorino R. Safety profile of robotic vs. laparoscopic radical nephroureterectomy for upper tract urothelial carcinoma: Data from the Robotic Surgery for Upper Tract Urothelial Cancer Study (ROBUUST) collaborative group. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)32769-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Veccia A, Steward J, Derweesh I, Margulis V, Uzzo R, Abdollah F, Minervini A, Cacciamani G, Mottrie A, Simone G, Rha K, Eun D, Mehrazin R, Gonzalgo M, Ghali F, Meng X, Srivastava A, Jamil M, Riccardo T, Aron M, Mazzone E, Al-Qathani A, Asghar A, Sundaram C, Autorino R. Robotic radical nephroureterectomy for upper tract urothelial carcinoma: Data from the ROBotic surgery for Upper tract Urothelial cancer STudy (ROBUUST) collaborative group. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)32772-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Meng X, Jing R, Qian L, Zhou C, Sun J. Engineering Cytoplasmic Signaling of CD28ζ CARs for Improved Therapeutic Functions. Front Immunol 2020; 11:1046. [PMID: 32636832 PMCID: PMC7318076 DOI: 10.3389/fimmu.2020.01046] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 04/30/2020] [Indexed: 12/29/2022] Open
Abstract
Chimeric antigen receptor modified T cells (CAR-T) have yielded impressive clinical outcomes in treating hematopoietic malignancies. However, relapses have occurred in a substantial number of patients and limited the development of CAR-T therapy. Most underlying reasons for these relapses can be attributed to poor persistence and rapid exhaustion of CAR-T cells in vivo. Despite multiple strategies having been developed, how to improve CAR-T persistence or resist exhaustion while maintaining sufficient cytotoxic functions is still a great challenge. Here we discuss engineering cytoplasmic signaling as an important strategy for CAR optimization. This review summarizes recent advances showing that the anti-tumor function of CAR-T cells can be improved by optimizing the CD3ζ domain or downstream signaling of CD28ζ CAR.
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Affiliation(s)
- Xianhui Meng
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Department of Cell Biology, School of Basic Medical Sciences, Zhejiang University, Hangzhou, China.,Institute of Hematology, Zhejiang University & Laboratory of Stem Cell and Immunotherapy Engineering, Hangzhou, China
| | - Ruirui Jing
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Department of Cell Biology, School of Basic Medical Sciences, Zhejiang University, Hangzhou, China.,Institute of Hematology, Zhejiang University & Laboratory of Stem Cell and Immunotherapy Engineering, Hangzhou, China
| | - Liling Qian
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Department of Cell Biology, School of Basic Medical Sciences, Zhejiang University, Hangzhou, China.,Institute of Hematology, Zhejiang University & Laboratory of Stem Cell and Immunotherapy Engineering, Hangzhou, China
| | - Chun Zhou
- School of Public Health and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jie Sun
- Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Department of Cell Biology, School of Basic Medical Sciences, Zhejiang University, Hangzhou, China.,Institute of Hematology, Zhejiang University & Laboratory of Stem Cell and Immunotherapy Engineering, Hangzhou, China
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Deodhar A, Mease PJ, Poddubnyy D, Calheiros R, Meng X, Strand V, Magrey M. FRI0271 IMPACT OF HLA-B27 STATUS ON CLINICAL OUTCOMES AMONG PATIENTS WITH ANKYLOSING SPONDYLITIS TREATED WITH SECUKINUMAB. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1448] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Ankylosing spondylitis (AS) is strongly associated with the genetic marker HLA-B27. Approximately 80%-90% of white patients with AS express HLA-B27 compared with < 8% of the general population. In patients with AS, negative HLA-B27 status is a predictor of worse response to TNFis.1The impact of HLA-B27 status on clinical efficacy of secukinumab, a fully human monoclonal antibody that selectively inhibits IL-17A, has not been studied.Objectives:To analyze the impact of HLA-B27 status on clinical outcomes at Week 16 in patients with AS treated with secukinumab vs placebo.Methods:Patients with AS were pooled from the MEASURE 1-4 studies (NCT01358175,NCT01649375,NCT02008916, andNCT02159053) and stratified by HLA-B27 status. All trials included patients who received secukinumab 150 mg every 4 weeks with or without an initial loading dose (10 mg/kg IV at Weeks 0, 2, 4 or 150 mg SC at Weeks 0, 1, 2, and 3) or placebo control. MEASURE 3 included patients receiving secukinumab 300 mg every 4 weeks following the initial IV loading dose. Efficacy at Week 16 was determined by the proportion of patients achieving ASAS20/40, ASAS5/6, ASAS partial remission, BASDAI50, ASDAS-CRP < 2.1, ASDAS-CRP < 1.3, and improvement in Patient Global Assessment (VAS) and total spinal/back pain (VAS) scores. In MEASURE 1, 2, and 4, quality of life (QOL) was assessed at Week 16 by the SF-36 PCS, SF-36 MCS, and ASQOL. ASAS, BASDAI, and ASDAS-CRP responses were analyzed by nonresponder imputation, and all other outcomes by mixed models for repeated measures. For hypothesis generation, outcomes at Week 16 with secukinumab vs placebo within HLA-B27 strata were compared by logistic regression analysis without adjustment for multiple comparisons.Results:Baseline characteristics were balanced across treatment groups, although more HLA-B27+ patients than HLA-B27− patients were male (71%-73% vs 43%-50%). HLA-B27+ patients receiving any dose of secukinumab were significantly more likely to achieve ASAS, BASDAI50, and ASDAS-CRP responses vs those receiving placebo (P< .05; Figure 1). HLA-B27− patients receiving secukinumab 300 mg were significantly more likely to achieve ASAS40, ASAS partial remission (Figure 1A), and BASDAI50 (Figure 1B) responses than those receiving placebo (P< .05). Patients receiving any dose of secukinumab were more likely to achieve ASAS5/6 and ASDAS-CRP < 2.1 than those receiving placebo, regardless of HLA-B27 status (P< .05; Figure 1B). All secukinumab-treated patients experienced significant improvement in Patient Global Assessment at Week 16 vs placebo, regardless of HLA-B27 status, while only HLA-B27+ patients experienced significant reduction in total spinal/back pain vs placebo (P< .05; Figure 2A). Numerical improvements in QOL were observed in all patients receiving secukinumab 150 mg vs placebo; these reached significance for HLA-B27+ patients (Figure 2B).Conclusion:Secukinumab is effective in patients with AS regardless of HLA-B27 status; HLA-B27+ patients may derive increased therapeutic benefit compared with HLA-B27− patients.Reference:[1]Alazmi M, et al.Arthritis Care Res (Hoboken). 2018;70:1393-9.Acknowledgments:This study was funded by Novartis Pharmaceuticals Corporation. The authors thank Rich Karpowicz, PhD, of Health Interactions, Inc, for providing medical writing support/editorial support, which was funded by Novartis Pharmaceuticals Corporation, East Hanover, NJ, in accordance with Good Publication Practice (GPP3) guidelines (http://www.ismpp.org/gpp3).Disclosure of Interests:Atul Deodhar Grant/research support from: AbbVie, Eli Lilly, GSK, Novartis, Pfizer, UCB, Consultant of: AbbVie, Amgen, Boehringer Ingelheim, Bristol Myer Squibb (BMS), Eli Lilly, GSK, Janssen, Novartis, Pfizer, UCB, Speakers bureau: AbbVie, Amgen, Boehringer Ingelheim, Bristol Myer Squibb (BMS), Eli Lilly, GSK, Janssen, Novartis, Pfizer, UCB, Philip J Mease Grant/research support from: Abbott, Amgen, Biogen Idec, BMS, Celgene Corporation, Eli Lilly, Novartis, Pfizer, Sun Pharmaceutical, UCB – grant/research support, Consultant of: Abbott, Amgen, Biogen Idec, BMS, Celgene Corporation, Eli Lilly, Novartis, Pfizer, Sun Pharmaceutical, UCB – consultant, Speakers bureau: Abbott, Amgen, Biogen Idec, BMS, Eli Lilly, Genentech, Janssen, Pfizer, UCB – speakers bureau, Denis Poddubnyy Grant/research support from: AbbVie, MSD, Novartis, and Pfizer, Consultant of: AbbVie, Bristol-Myers Squibb, Eli Lilly, MSD, Novartis, Pfizer, Roche, UCB, Speakers bureau: AbbVie, Bristol-Myers Squibb, Eli Lilly, MSD, Novartis, Pfizer, Roche, UCB, Renato Calheiros Shareholder of: Novartis, Employee of: Novartis, Xiangyi Meng Shareholder of: Novartis, Employee of: Novartis, Vibeke Strand Consultant of: AbbVie, Amgen, Biogen, Celltrion, Consortium of Rheumatology Researchers of North America, Crescendo Bioscience, Eli Lilly, Genentech/Roche, GlaxoSmithKline, Hospira, Janssen, Merck, Novartis, Pfizer, Regeneron Pharmaceuticals, Inc., Sanofi, UCB, Marina Magrey Grant/research support from: AbbVie, Amgen, and UCB, Consultant of: Eli Lilly and Novartis
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Mease PJ, Deodhar A, Calheiros R, Meng X, Fox T, Baraliakos X. THU0397 SYMPTOMS OF PERIPHERAL ARTHRITIS ARE SIGNIFICANTLY IMPROVED IN PATIENTS WITH ANKYLOSING SPONDYLITIS TREATED WITH SECUKINUMAB. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.2217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Ankylosing spondylitis (AS) is a chronic inflammatory disease of the axial skeleton associated with pain, stiffness, and disability.1Up to 66% of patients (pts) with AS may also have peripheral involvement, including swollen and tender joints (STJs),2,3which are associated with worse overall disease activity.4A previous analysis showed that secukinumab, a selective inhibitor of interleukin 17A, led to significant improvements in efficacy outcomes vs placebo, regardless of peripheral joint involvement.3However, the effect of secukinumab on symptoms of peripheral arthritis in pts with AS was not assessed.Objectives:The objective of this analysis was to assess changes in peripheral symptoms in pts with AS treated with secukinumab vs placebo.Methods:Data from pts with active AS and peripheral symptoms who were enrolled in MEASURE 1 (NCT01358175), 2 (NCT01649375), 3 (NCT02008916), and 4 (NCT02159053) were pooled in this post hoc, hypothesis-generating analysis. No adjustments for multiple comparisons were made. Pts with peripheral symptoms were identified by the presence of STJs, based on 44-joint counts at baseline (BL). Pts received subcutaneous (SC) secukinumab every 4 weeks at doses of 300 mg with an intravenous (IV) loading dose (MEASURE 3 only), 150 mg with an IV or SC loading dose, or placebo. Treatment response through Week 16 was assessed based on the proportions of pts who achieved improvements of 20%, 50%, 70%, or 100% in the number of swollen and number of tender joints and improvements in the BASDAI score for question 3 and Patient Global Assessment (PGA). Changes in the number of swollen and number of tender joints were assessed in pts with swollen or tender joints at BL, respectively.Results:This pooled analysis included 560 pts with AS and STJs at BL (Table). At Week 16, treatment with secukinumab led to significantly greater proportions of pts achieving reductions in the number of swollen (Fig 1A) or tender (Fig 1B) joints compared with placebo; the treatment effect was more pronounced in reduction of swollen joints. Furthermore, a greater proportion of secukinumab-treated pts achieved complete resolution of swollen or tender joints vs placebo (Fig 1). Secukinumab also led to significant improvements in peripheral pain/swelling (Fig 2A) and disease activity (Fig 2B) vs placebo, as assessed using BASDAI question 3 and the PGA, respectively.Table.Patient Characteristics at BaselineSecukinumabPlacebo (n = 252)300 mg (n = 52)150 mg (n = 256)Age, mean, y43.643.744.9Time since diagnosis, mean, y5.67.27.3Male, %63.562.157.5PGA of Disease Activity, mean, mm73.471.770.1BASDAI question 3, mean6.36.66.4Swollen 44-joint count, mean1.92.62.5Tender 44-joint count, mean7.17.87.9Conclusion:In parallel with its previously reported efficacy in axial symptoms,3secukinumab led to significant improvements in symptoms of peripheral arthritis in pts with AS. Significant improvements were seen in both tender and swollen joints.References:[1]Braun J, Sieper J.Lancet. 2007;369:1379-1390.[2]de Winter JJ, et al.Arthritis Res Ther. 2016;18:196.[3]Mease P, et al.Arthritis Rheumatol. 2019;71(suppl 10):1553.[4]de Winter JJ, et al.RMD Open. 2019;5:e000802.Acknowledgments:This study was funded by Novartis Pharmaceuticals Corporation, East Hanover, NJ. The authors thank Amos Race, PhD, of ArticulateScience LLC, Hamilton, NJ, USA, for providing medical writing/editorial support, which was funded by Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA, in accordance with Good Publication Practice (GPP3) guidelines (http://www.ismpp.org/gpp3).Disclosure of Interests:Philip J Mease Grant/research support from: Abbott, Amgen, Biogen Idec, BMS, Celgene Corporation, Eli Lilly, Novartis, Pfizer, Sun Pharmaceutical, UCB – grant/research support, Consultant of: Abbott, Amgen, Biogen Idec, BMS, Celgene Corporation, Eli Lilly, Novartis, Pfizer, Sun Pharmaceutical, UCB – consultant, Speakers bureau: Abbott, Amgen, Biogen Idec, BMS, Eli Lilly, Genentech, Janssen, Pfizer, UCB – speakers bureau, Atul Deodhar Grant/research support from: AbbVie, Eli Lilly, GSK, Novartis, Pfizer, UCB, Consultant of: AbbVie, Amgen, Boehringer Ingelheim, Bristol Myer Squibb (BMS), Eli Lilly, GSK, Janssen, Novartis, Pfizer, UCB, Speakers bureau: AbbVie, Amgen, Boehringer Ingelheim, Bristol Myer Squibb (BMS), Eli Lilly, GSK, Janssen, Novartis, Pfizer, UCB, Renato Calheiros Shareholder of: Novartis, Employee of: Novartis, Xiangyi Meng Shareholder of: Novartis, Employee of: Novartis, Todd Fox Shareholder of: Novartis, Employee of: Novartis, Xenofon Baraliakos Grant/research support from: Grant/research support from: AbbVie, BMS, Celgene, Chugai, Merck, Novartis, Pfizer, UCB and Werfen, Consultant of: AbbVie, BMS, Celgene, Chugai, Merck, Novartis, Pfizer, UCB and Werfen, Speakers bureau: AbbVie, BMS, Celgene, Chugai, Merck, Novartis, Pfizer, UCB and Werfen
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Chen M, Zhang N, Jiang H, Meng X, Qiang K, Wang J. Transcriptional regulation of heat shock protein 70 genes by class I histone deacetylases in the red flour beetle, Tribolium castaneum. Insect Mol Biol 2020; 29:221-230. [PMID: 31765041 DOI: 10.1111/imb.12627] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 10/26/2019] [Accepted: 11/22/2019] [Indexed: 06/10/2023]
Abstract
The regulatory function of histone acetylation in the expression of genes encoding heat shock proteins (Hsps) has been documented in Drosophila melanogaster; however, knowledge of the role of acetylation in modulating Hsps in other insect pests is limited. In this study, two full-length cDNAs encoding inducible Hsp70 (designated TcHsp70) and heat shock cognate 70 (TcHsc70) were isolated and characterized in the red flour beetle, Tribolium castaneum. TcHsp70 and TcHsc70 cDNAs were 2256 and 2132 bp and encoded 1941- and 1893-bp open reading frames, respectively. The deduced TcHsp70 and TcHsc70 proteins contained 646 and 630 amino acids, respectively, and contained sequences typical of the Hsp70 family, including the EEVD motif for cytoplasmic localization. Expression patterns after heat shock indicated that TcHsp70 was strongly heat-inducible, whereas the expression level of TcHsc70 remained unchanged under heat shock. RNA interference-mediated knock-down of three genes encoding class I histone deacetylases differentially influenced both basal and heat shock inducible expression of TcHsp70 and TcHsc70, suggesting the involvement of histone acetylation in epigenetic regulation of Hsp70 transcription in T. castaneum.
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Affiliation(s)
- M Chen
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - N Zhang
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - H Jiang
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - X Meng
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - K Qiang
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - J Wang
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, Yangzhou University, Yangzhou, China
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Tang Y, Meng X, Yu X, Shang H, Chen S, Liao L, Dong J. Inhibition of microRNA-875-5p promotes radioiodine uptake in poorly differentiated thyroid carcinoma cells by upregulating sodium-iodide symporter. J Endocrinol Invest 2020; 43:439-450. [PMID: 31612419 DOI: 10.1007/s40618-019-01125-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 09/25/2019] [Indexed: 01/22/2023]
Abstract
BACKGROUND AND AIM Poorly differentiated thyroid carcinoma (PDTC) is an endocrine malignancy that is challenging to treat due to its limited radioiodine uptake. microRNAs (miRNAs or miRs) have been shown to be useful in treating many types of tumors, including PDTC. This study aims to evaluate the potential effect of miR-875-5p on the radioiodine uptake of PDTC and to clarify the underlying mechanisms. METHODS Expression of miR-875-5p and sodium-iodide symporter (NIS) in tissues and cell lines was determined using RT-qPCR. The binding relationship between miR-875-5p and NIS was predicted through in silico analysis and verified by dual-luciferase reporter gene assay. A series of miR-875-5p mimic, miR-875-5p inhibitor, shRNA against NIS, and overexpressed NIS plasmids were introduced into PDTC cells. We then evaluated the cell viability, colony formation, apoptosis, and radioiodine uptake of each PDTC sample via CCK-8 assay, clonogenic assay, flow cytometry, and γ counter, respectively. RESULTS miR-875-5p was found to be highly expressed, but NIS was poorly expressed in DTC tissues and PDTC cell lines. NIS was verified to be a target gene of miR-875-5p. Upregulation of miR-875-5p was found to induce PDTC cell proliferation, and reduce apoptosis and radioiodine uptake in vitro through down-regulation of NIS. In an in vivo orthotopic model, the enhancement of miR-875-5p led to the reduction of NIS expression and radioiodine uptake in the thyroid tumors. CONCLUSIONS Altogether, the findings of the current study suggest that down-regulated miR-875-5p expression could promote its target gene NIS to increase radioiodine uptake in PDTC, constituting a preventive strategy against PDTC.
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Affiliation(s)
- Y Tang
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University, No. 16766, Jingshi Road, Jinan, 250014, Shandong Province, People's Republic of China
- Department of Endocrinology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, 264000, People's Republic of China
| | - X Meng
- Department of Endocrinology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, 264000, People's Republic of China
| | - X Yu
- Department of Endocrinology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, 264000, People's Republic of China
| | - H Shang
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University, No. 16766, Jingshi Road, Jinan, 250014, Shandong Province, People's Republic of China
| | - S Chen
- Department of Endocrinology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, 264000, People's Republic of China
| | - L Liao
- Department of Endocrinology, Shandong Provincial Qianfoshan Hospital, Shandong University, No. 16766, Jingshi Road, Jinan, 250014, Shandong Province, People's Republic of China.
| | - J Dong
- Department of Endocrinology, Qilu Hospital of Shandong University, No. 107, Wenhua West Road, Jinan, 250012, Shandong Province, People's Republic of China.
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Yang Y, Chen W, Meng X, Liu L, Wang Y, Pan Y, Wang Y. Impact of smoking on platelet function of ticagrelor versus clopidogrel in minor stroke or transient ischaemic attack. Eur J Neurol 2020; 27:833-840. [PMID: 32052517 DOI: 10.1111/ene.14171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 02/11/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Y. Yang
- Department of Neurology China National Clinical Research Center for Neurological Diseases Beijing Tiantan Hospital Capital Medical University Beijing China
- Advanced Innovation Center for Human Brain Protection Capital Medical University Beijing China
| | - W. Chen
- Department of Neurology China National Clinical Research Center for Neurological Diseases Beijing Tiantan Hospital Capital Medical University Beijing China
- Advanced Innovation Center for Human Brain Protection Capital Medical University Beijing China
| | - X. Meng
- Department of Neurology China National Clinical Research Center for Neurological Diseases Beijing Tiantan Hospital Capital Medical University Beijing China
- Advanced Innovation Center for Human Brain Protection Capital Medical University Beijing China
| | - L. Liu
- Department of Neurology China National Clinical Research Center for Neurological Diseases Beijing Tiantan Hospital Capital Medical University Beijing China
- Advanced Innovation Center for Human Brain Protection Capital Medical University Beijing China
| | - Y. Wang
- Department of Neurology China National Clinical Research Center for Neurological Diseases Beijing Tiantan Hospital Capital Medical University Beijing China
- Advanced Innovation Center for Human Brain Protection Capital Medical University Beijing China
| | - Y. Pan
- Department of Neurology China National Clinical Research Center for Neurological Diseases Beijing Tiantan Hospital Capital Medical University Beijing China
- Advanced Innovation Center for Human Brain Protection Capital Medical University Beijing China
| | - Y. Wang
- Department of Neurology China National Clinical Research Center for Neurological Diseases Beijing Tiantan Hospital Capital Medical University Beijing China
- Advanced Innovation Center for Human Brain Protection Capital Medical University Beijing China
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Feng AL, Han X, Meng X, Chen Z, Li Q, Shu W, Dai H, Zhu J, Yang Z. PRDX2 plays an oncogenic role in esophageal squamous cell carcinoma via Wnt/β-catenin and AKT pathways. Clin Transl Oncol 2020; 22:1838-1848. [PMID: 32130676 DOI: 10.1007/s12094-020-02323-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 02/12/2020] [Indexed: 12/16/2022]
Abstract
PURPOSE To investigate the role of PRDX2 in esophageal carcinoma (ESCA). METHODS The expression of PRDX2 was detected in ESCA tissues. And PRDX2 expression in two ESCA cell lines was knocked down. Cell proliferation, metastasis and invasion were detected in these cells. RESULTS Here, we found that PRDX2 expression was significantly increased in ESCA tissues and was associated with a poor prognosis in ESCA patients. In addition, PRDX2 expression was significantly associated with pathological grading, infiltration degree and 5-year survival time in ESCA patients. Next, we knocked down PRDX2 expression by PRDX2-shRNA transfection in two ESCA cell lines, Eca-109 and TE-1. Proliferation analysis indicated that in vitro PRDX2 knockdown decreased growth and clone formation of ESCA cells. Scratch and transwell assays indicated that cell migration and invasion were significantly inhibited by PRDX2 knockdown. In addition, PRDX2 knockdown inhibited cell cycle of ESCA cells and down-regulated Cyclin D1-CDK4/6. Moreover, PRDX2 knockdown regulated proteins involved in mitochondrial-dependent apoptosis, including increased Bax and Caspase9/3 and decreased Bcl2. Mechanism investigation indicated that PRDX2 knockdown led to inactivation of Wnt/β-catenin and AKT pathways. CONCLUSIONS Our data suggest that PRDX2 may function as an oncogene in the development of ESCA via regulating Wnt/β-catenin and AKT pathways. Our study fills a gap in the understanding of the role of PRDX2 in ESCA and provides a potential target for ESCA treatment.
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Affiliation(s)
- A L Feng
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - X Han
- Experimental Department, Affiliated Tumor Hospital of Guangxi Medical University, 71# Hedi Road, Nanning, 530021, People's Republic of China
| | - X Meng
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - Z Chen
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - Q Li
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - W Shu
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - H Dai
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - J Zhu
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, 16766# Jingshi Road, Jinan, 250014, People's Republic of China.
| | - Z Yang
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China.
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Pu Y, Liu X, Wang Y, Meng X, Jing J, Zou X, Pan Y, Wang A, Zhao X, Johnston SC, Wang Y, Atchaneeyasakul K, Liebeskind DS, Liu L. Higher early recurrence risk and potential benefit of dual antiplatelet therapy for minor stroke with watershed infarction: subgroup analysis of CHANCE. Eur J Neurol 2020; 27:800-808. [PMID: 31997490 DOI: 10.1111/ene.14156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Accepted: 01/17/2020] [Indexed: 01/05/2023]
Affiliation(s)
- Y. Pu
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
| | - X. Liu
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
| | - Y. Wang
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
- China National Clinical Research Center for Neurological Diseases Beijing China
- Center of Stroke Beijing Institute for Brain Disorders Beijing China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
| | - X. Meng
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
- China National Clinical Research Center for Neurological Diseases Beijing China
- Center of Stroke Beijing Institute for Brain Disorders Beijing China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
| | - J. Jing
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
- China National Clinical Research Center for Neurological Diseases Beijing China
- Center of Stroke Beijing Institute for Brain Disorders Beijing China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
| | - X. Zou
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
| | - Y. Pan
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
- China National Clinical Research Center for Neurological Diseases Beijing China
- Center of Stroke Beijing Institute for Brain Disorders Beijing China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
| | - A. Wang
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
- China National Clinical Research Center for Neurological Diseases Beijing China
- Center of Stroke Beijing Institute for Brain Disorders Beijing China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
| | - X. Zhao
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
- China National Clinical Research Center for Neurological Diseases Beijing China
- Center of Stroke Beijing Institute for Brain Disorders Beijing China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
| | - S. C. Johnston
- Dell Medical School University of Texas at Austin TX USA
| | - Y. Wang
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
- China National Clinical Research Center for Neurological Diseases Beijing China
- Center of Stroke Beijing Institute for Brain Disorders Beijing China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
| | | | | | - L. Liu
- Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
- China National Clinical Research Center for Neurological Diseases Beijing China
- Center of Stroke Beijing Institute for Brain Disorders Beijing China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
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Affiliation(s)
- X Meng
- Department of Endocrinology, Genetics, Metabolism and Adolescent Medicine, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
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Wang W, Nie M, Jiang Y, Li M, Meng X, Xing X, Wang O, Xia W. Impaired geometry, volumetric density, and microstructure of cortical and trabecular bone assessed by HR-pQCT in both sporadic and MEN1-related primary hyperparathyroidism. Osteoporos Int 2020; 31:165-173. [PMID: 31642976 DOI: 10.1007/s00198-019-05186-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Accepted: 10/01/2019] [Indexed: 12/31/2022]
Abstract
UNLABELLED This study evaluated bone features of PHPT using HR-pQCT. The results showed both cortical and trabecular bones were significantly impaired in PHPT patients. Male and female PHPT patients suffered similar damages in bone. HR-pQCT indices were not observed to differ in MEN1 and sporadic PHPT patients. INTRODUCTION High-resolution peripheral quantitative CT is a novel imaging technique used to separately assess trabecular and cortical bone status of the radius and tibia in vivo. Using HR-pQCT, we aimed to evaluate bone features of primary hyperparathyroidism patients in a Chinese population and reveal similarities and differences in bone features in multiple endocrine neoplasia type 1-related PHPT and sporadic PHPT patients in the Chinese population. METHODS A case-control study was designed. In 58 PHPT patients and 58 sex- and age-matched healthy controls, the distal radius and tibia were scanned using HR-pQCT. Areal bone mineral density (aBMD) was also determined in PHPT patients using dual-energy X-ray absorptiometry (DXA). RESULTS In comparison with controls, PHPT patients were observed to exhibit reduced volumetric BMD at the cortical and trabecular compartments, thinner cortices, and more widely spaced trabeculae. Significant differences were still observed when comparing data of female and male patients with age-matched controls separately. MHPT patients (n = 11) were found to have lower aBMD Z-scores in the lumbar spine, trochanteric region, and total hip compared with sporadic PHPT patients (n = 47), while no differences were observed in HR-pQCT indices between the two groups. In multiple linear regression models, no significant correlations were identified between PTH and HR-pQCT indices. However, height was found to positively correlate with HR-pQCT-derived trabecular indices at both the radius and tibia. CONCLUSIONS PHPT affects geometry, volumetric density, and microstructure in both the cortical and trabecular bones in both male and female Chinese patients. MHPT patients were observed to have reduced aBMD as determined by DXA in the lumbar spine and hip in comparison with sporadic PHPT patients. However, HR-pQCT indices were not observed to differ.
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Affiliation(s)
- W Wang
- Key laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Shuai Fuyuan 1#, Dongdan, Dongcheng district, Beijing, 100730, People's Republic of China
- Key Laboratory of Diabetes Mellitus Prevention and Research, Department of Endocrinology, Beijing Luhe Hospital, Capital Medical University, Beijing, People's Republic of China
| | - M Nie
- Key laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Shuai Fuyuan 1#, Dongdan, Dongcheng district, Beijing, 100730, People's Republic of China
| | - Y Jiang
- Key laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Shuai Fuyuan 1#, Dongdan, Dongcheng district, Beijing, 100730, People's Republic of China
| | - M Li
- Key laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Shuai Fuyuan 1#, Dongdan, Dongcheng district, Beijing, 100730, People's Republic of China
| | - X Meng
- Key laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Shuai Fuyuan 1#, Dongdan, Dongcheng district, Beijing, 100730, People's Republic of China
| | - X Xing
- Key laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Shuai Fuyuan 1#, Dongdan, Dongcheng district, Beijing, 100730, People's Republic of China
| | - O Wang
- Key laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Shuai Fuyuan 1#, Dongdan, Dongcheng district, Beijing, 100730, People's Republic of China.
| | - W Xia
- Key laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Shuai Fuyuan 1#, Dongdan, Dongcheng district, Beijing, 100730, People's Republic of China.
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Zhu Z, Huang Q, Hong X, Chen X, Lu Y, Chen Z, Wang C, Meng X, Xu Q, Li S. Isolation and characterization of Salmonella in pork samples collected from retail and wholesale markets in each season from 2016 to 2018 in Wuhan, China. J Appl Microbiol 2019; 128:875-883. [PMID: 31710755 DOI: 10.1111/jam.14515] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/27/2019] [Accepted: 11/03/2019] [Indexed: 01/08/2023]
Abstract
AIMS To investigate the prevalence and characteristics of Salmonella in pork on sale in Wuhan, Central China. METHODS AND RESULTS A total of 4744 pork samples were collected from retail or wholesale markets in each season from 2016 to 2018. The samples showed an overall Salmonella prevalence of 19·54% (927/4744), among which the samples collected in 2017 (21·67%, 428/1975) possessed a significantly higher prevalence than those collected in 2016 (18·61%, 209/1123) (P = 0·047) or 2018 (17·51%, 290/1656) (P = 0·002), and the samples collected in winter showed the lowest prevalence (15·86%, 177/1116). The Salmonella prevalence was significantly higher among samples from retail markets (25·68%, 283/1102) than wholesale markets (17·68%, 644/3642) (P = 0·000). Antimicrobial resistance of 922 Salmonella strains was tested by determining the minimal inhibitory concentrations using a broth microdilution method. The strains revealed that 98·92% (912/922) were resistant to at least one of the antimicrobial agents, and 80·04% (738/922) were resistant to three or more antimicrobials (MDR). Resistance to sulfamethoxazole/trimethoprim (89·91%), tetracycline (87·20%) and ampicillin (71·69%) was predominant. The proportion of MDR strains in 2017 (93·62%, 396/423) was significantly higher than that in 2016 (63·16%, 132/209) (P = 0·000) or 2018 (69·66%, 202/290) (P = 0·000). No significant difference was observed in the proportions of MDR strains between wholesale markets (76·07%, 213/280) and retail markets (80·53%, 517/642) (P = 0·075). Multi-locus sequence typing for 554 of the isolates revealed 20 different sequence types (STs), among which ST40 (38·27%, 212/554), ST34 (18·41%, 102/554) and ST469 (14·46%, 79/554) were dominant. CONCLUSIONS A high risk of Salmonella prevalence and antimicrobial resistance was observed in pork in Wuhan. The risk varies between different sampling years, seasons and market types. SIGNIFICANCE AND IMPACT OF THE STUDY Providing baseline data on Salmonella contamination in pork on sale in Central China.
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Affiliation(s)
- Z Zhu
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P.R. China
| | - Q Huang
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P.R. China
| | - X Hong
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P.R. China
| | - X Chen
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P.R. China
| | - Y Lu
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P.R. China
| | - Z Chen
- Wuhan Agricultural Comprehensive Law Enforcement Inspector Corps, Wuhan, P.R. China
| | - C Wang
- Wuhan Agricultural Comprehensive Law Enforcement Inspector Corps, Wuhan, P.R. China
| | - X Meng
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P.R. China
| | - Q Xu
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P.R. China
| | - S Li
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P.R. China
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Abstract
OBJECTIVE In Alzheimer's disease (AD), astrocytes are generally found in the surrounding of senile plaques participating in the production of phagocytosis and the removal of toxic compounds such as Aβ. This study aimed at investigating the effect of Aβ1-42 on astrocytes. MATERIALS AND METHODS Cellular viability of primary cultured astrocytes was analyzed using CCK-8 assay. Quantitative Real-time PCR was used to assess the mRNA expression of JNK and AP-1. The proteins of JNK/AP-1 pathway were investigated using Western blot. RESULTS Our findings showed that Aβ1-42 inhibited cell viability and promoted apoptosis in astrocytes in primary culture. Additionally, Aβ1-42 increased the mRNA expression level of AP-1, but had no effect on the expression of JNK. Furthermore, Aβ1-42 increased the protein expression of p-JNK, p-c-jun and Fra-1 and the ratio of p-c-jun/c-jun and p-JNK/JNK. CONCLUSIONS We showed that Aβ1-42 promoted cell apoptosis in astrocytes in primary culture. Furthermore, Aβ1-42 activated JNK/AP-1 pathway through promoting the phosphorylation of JNK, c-jun and Fra-1 expression, then inducing cell apoptosis.
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Affiliation(s)
- G-Q Li
- Neurology Intensive Care Unit, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China.
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Abstract
Objective To study the clinical effect of ultrasound-guided microwave ablation on primary hepatic carcinoma. Method The subjects comprised 94 patients with primary hepatic carcinoma who were admitted to our hospital between August 2014 and November 2016. They were divided into two groups in accordance with a random-number table. The control (n = 47) and study (n = 47) groups received conventional surgical excision and ultrasound-guided microwave ablation, respectively. The operation duration, clinical effect, complication occurrence rates, and hepatic functions of the two groups were compared. Results The control group exhibited longer duration of operation and length of stay but significantly lower quantities of intraoperative bleeding and blood transfusion (P < 0.05) than the study group. The study group demonstrated significantly higher (P < 0.05) effective rate of treatment but significantly lower (P < 0.05) occurrence rate of complications than the control group. The study group exhibited significantly higher (P < 0.05) albumin and total bilirubin levels but significantly lower alanine aminotransferase and aspartate transaminase levels than the control group. No difference was observed in prothrombin time between the two groups (P > 0.05). Conclusion Ultrasound-guided microwave ablation treatment offers the advantages of minor injury and low complication occurrence rates. Moreover, it is associated with faster postoperative recovery and improved hepatic function. Thus, it is worthy as a clinical option and must be promoted and applied.
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Affiliation(s)
- L Fang
- Department of Ultrasonic, Xi'an Children's Hospital, Xi'an, Shaanxi, China
| | - X Meng
- Department of Ultrasonic, Xijing Hospital of Air Force Medical University, Xi'an, Shaanxi, China
| | - W Luo
- Department of Ultrasonic, Xijing Hospital of Air Force Medical University, Xi'an, Shaanxi, China
| | - X D Zhou
- Department of Ultrasonic, Xijing Hospital of Air Force Medical University, Xi'an, Shaanxi, China
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Cheng B, Meng X, Yu J. A nomogram to predict outcomes of lung cancer patients after pneumonectomy based on 47 indicators set by principle component analysis. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz259.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Wang L, Meng X, Yu J. A novel nomogram and risk classification system predicting radiation pneumonitis in patients with esophageal cancer receiving radiotherapy. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz247.090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Liu J, Shao D, Cheng S, Guo F, Yuan Y, Hu K, Wang Z, Meng X, Jin X, Yun X, Chai X, Li H, Zhang Y, Zhang H, Ye M. Frequency of mutations in 21 hereditary breast and ovarian cancer susceptibility genes among 882 high-risk individuals. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz250.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Bei Y, Lu D, Meng X, Zhu Y, Liang X, Xiao J. P5399microRNA-486 mediates exercise-induced cardiac growth and prevents cardiac ischemia-reperfusion injury. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Molecules mediating exercise-induced physiological cardiac growth may be beneficial to prevent cardiac injury and remodeling. MicroRNA-486 (miR-486) is a muscle-enriched microRNA which was found to be increased in exercised heart. However, the role of miR-486 in exercise-induced cardiac growth is largely unknown.
Purpose
We aimed to study the function of miR-486 in exercise-induced cardiac growth, and to investigate its potential role in protection against cardiac ischemia/reperfusion (I/R) injury.
Methods
Male C57BL/6 adult mice were subjected to 3-week swimming exercise to induce physiological cardiac growth. Knockdown of miR-486 was performed by intramyocardial injection of miR-486 sponge to evaluate the role of miR-486 in exercise-induced cardiac growth. Moreover, intramyocardial injection of miR-486 overexpression lentivirus was performed to investigate whether miR-486 could reduce infarct size in mice suffered from acute I/R injury (30 min ligation and 24 hr reperfusion of left anterior descending coronary artery). Meanwhile, the functional role of miR-486 was evaluated in neonatal rat cardiomyocytes (NRCMs) treated with oxygen glucose deprivation/reperfusion (OGDR) using Tunel staining. Finally, function-rescue assays were performed to identify target genes of miR-486.
Results
Exercise significantly upregulated miR-486 in the heart, which was reduced by intramyocardial injection of miR-486 sponge. Exercise induced-cardiac growth was abolished in mice with intramyocardial injection of miR-486 sponge, as evidenced by reduced heart weight/body weight ratio and heart weight/tibia length ratio compared to control exercised-mice, suggesting a potential role of miR-486 in mediating exercise-induced cardiac growth. Meanwhile, we found that intramyocardial injection of miR-486 overexpression lentivirus was able to reduce the infarct size as determined by TTC staining. Moreover, in OGDR-induced apoptosis of NRCMs, miR-486 mimics was able to reduce cardiomyocyte apoptosis, while miR-486 inhibitor performed the opposite. Finally, PTEN and FoxO1 were identified as target genes of miR-486 in the control of cardiomyocyte apoptosis.
Conclusions
miR-486 mediates exercise-induced cardiac growth and protects against cardiac I/R injury. Increasing miR-486 might serve as a potential target to reduce myocardial apoptosis upon I/R injury.
Acknowledgement/Funding
This work was supported by the grants from National Natural Science Foundation of China 81722008, 91639101 and 81570362 to JJ Xiao, 81770401 to Y Bei
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Affiliation(s)
- Y Bei
- Shanghai University Institute of Cardiovascular Sciences, Shanghai, China
| | - D Lu
- Shanghai University Institute of Cardiovascular Sciences, Shanghai, China
| | - X Meng
- Shanghai University Institute of Cardiovascular Sciences, Shanghai, China
| | - Y Zhu
- Shanghai University Institute of Cardiovascular Sciences, Shanghai, China
| | - X Liang
- Shanghai University Institute of Cardiovascular Sciences, Shanghai, China
| | - J Xiao
- Shanghai University Institute of Cardiovascular Sciences, Shanghai, China
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Kooijman AM, Weiler HA, Cusell C, Anders N, Meng X, Seijmonsbergen AC, Cammeraat LH. Litter quality and microtopography as key drivers to topsoil properties and understorey plant diversity in ancient broadleaved forests on decalcified marl. Sci Total Environ 2019; 684:113-125. [PMID: 31153061 DOI: 10.1016/j.scitotenv.2019.05.285] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 05/19/2019] [Accepted: 05/19/2019] [Indexed: 06/09/2023]
Abstract
In forest ecosystems, litter quality is a major driver for soil and understorey characteristics, but elevation, microtopography and subsoil properties may also be important. We tested the importance of each factor in two ancient mixed forests on decalcified marl, dominated by trees with different litter quality such as European hornbeam, with high-palatable litter, and beech, with low-palatable litter. We mapped elevation, differences in local height (microtopography), tree distribution and understorey cover on slopes ranging from crest to bottom, and sampled 200 7 × 7 m grid cells for characteristics of litter input, understorey, topsoil and subsoil. In both forests, elevation decreased gradually, but microtopography showed irregular patterns of depressions and mounds of a few cm below or above average local height. Tree distribution was not affected by elevation or subsoil properties, but clearly by microtopography. Adult beech was abundant on local mounds, while hornbeam was more common in local depressions. Topsoil and understorey characteristics were mainly affected by litter quality (tree species dominance) and microtopography. Litter quality had separate effects from microtopography, but could reinforce this. High litter quality (hornbeam) and low local height both led to high earthworm activity, low litter mass, high erosion, impermeable clay layers close to the surface, high pH, high soil moisture and high diversity of the understorey. Low litter quality (beech) and high local height both led to low earthworm activity, high litter mass, low erosion, low pH, low soil moisture and low plant diversity. Beech and hornbeam may act as ecosystem engineers, which change habitat conditions and local hydrology, and make habitats more suitable to themselves, and/or unsuitable to the other. However, they also increased spatial complexity of the forest and length of the habitat gradient. This may increase forest biodiversity as a whole, but also resilience to prolonged wet or dry periods.
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Affiliation(s)
- A M Kooijman
- Institute of Biodiversity and Ecosystem Dynamics, Department of Ecosystem and Landscape Dynamics, University of Amsterdam, P.O. Box 94240, NL-1090 GE Amsterdam, the Netherlands.
| | - H A Weiler
- Institute of Biodiversity and Ecosystem Dynamics, Department of Ecosystem and Landscape Dynamics, University of Amsterdam, P.O. Box 94240, NL-1090 GE Amsterdam, the Netherlands
| | - C Cusell
- Institute of Biodiversity and Ecosystem Dynamics, Department of Ecosystem and Landscape Dynamics, University of Amsterdam, P.O. Box 94240, NL-1090 GE Amsterdam, the Netherlands; Witteveen & Bos, P.O. Box 233, NL-7400 AE Deventer, the Netherlands
| | - N Anders
- Institute of Biodiversity and Ecosystem Dynamics, Department of Ecosystem and Landscape Dynamics, University of Amsterdam, P.O. Box 94240, NL-1090 GE Amsterdam, the Netherlands; Geodan, President Kennedylaan 1, 1079 MB Amsterdam, the Netherlands
| | - X Meng
- Institute of Biodiversity and Ecosystem Dynamics, Department of Ecosystem and Landscape Dynamics, University of Amsterdam, P.O. Box 94240, NL-1090 GE Amsterdam, the Netherlands
| | - A C Seijmonsbergen
- Institute of Biodiversity and Ecosystem Dynamics, Department of Ecosystem and Landscape Dynamics, University of Amsterdam, P.O. Box 94240, NL-1090 GE Amsterdam, the Netherlands
| | - L H Cammeraat
- Institute of Biodiversity and Ecosystem Dynamics, Department of Ecosystem and Landscape Dynamics, University of Amsterdam, P.O. Box 94240, NL-1090 GE Amsterdam, the Netherlands
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LI Z, WU Q, Meng X, Jiang D, Yu H, Chen G, Hua X, WANG X, WANG D, Zhao H, Zhong Y. Oral pH Values Predict the Incidence of Radiotherapy Related Caries in Nasopharyngeal Carcinoma Patients. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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93
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Sun L, Meng X. A Novel EUS-guided Liquid Fiducial Marker for Image-Guided Radiotherapy in Esophageal Cancer: the Safety and Efficacy in Vitro and Vivo Evaluations. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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94
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Guo M, Li W, Li B, Wang S, Meng X, Sun X, Yu J, Wang L. Prognostic Value of Delta Inflammatory Biomarker-based Nomograms in Patients with Inoperable Locally Advanced NSCLC. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Li L, Meng X, Lin C, Shao D, Xiong Y, Wu M. The somatic and germline mutation pattern of 21 hereditary ovarian cancer genes in 62 Chinese ovarian cancers. Gynecol Oncol 2019. [DOI: 10.1016/j.ygyno.2019.04.632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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97
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Wang T, Pan Y, Lin J, Anand R, Wang D, Johnston SC, Meng X, Li H, Zhao X, Liu L, Wang Y, Wang Y. Influence of smoking on
CYP
2C19 genetic variants and clopidogrel efficacy in patients with minor stroke or transient ischaemic attack. Eur J Neurol 2019; 26:1175-1182. [PMID: 30974489 DOI: 10.1111/ene.13962] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Accepted: 04/03/2019] [Indexed: 12/12/2022]
Affiliation(s)
- T. Wang
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
| | - Y. Pan
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
| | - J. Lin
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
| | - R. Anand
- Department of Neurosurgery Wayne State University School of Medicine Detroit MIUSA
| | - D. Wang
- INI Stroke Network OSF Healthcare System University of Illinois College of Medicine Peoria ILUSA
| | - S. C. Johnston
- Dell Medical School University of Texas at Austin Austin TX USA
| | - X. Meng
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
| | - H. Li
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
| | - X. Zhao
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
| | - L. Liu
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
| | - Y. Wang
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
| | - Y. Wang
- Department of Neurology Beijing Tiantan Hospital Capital Medical University BeijingChina
- China National Clinical Research Center for Neurological Diseases Beijing China
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Xie X, Wang X, Laskowitz DT, Zhao X, Miao Z, Liu L, Li H, Meng X, Wang Y, Wang Y. Effect of dual versus mono antiplatelet therapy on recurrent stroke modulated by activated partial thromboplastin time. Eur J Neurol 2019; 26:1168-e78. [PMID: 30972875 DOI: 10.1111/ene.13961] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Accepted: 04/03/2019] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND PURPOSE The efficacy of dual antiplatelet treatment may be modified by many factors. The aim was to assess whether the effect of clopidogrel plus aspirin versus aspirin alone on recurrent stroke would be affected by admission activated partial thromboplastin time (aPTT). METHODS Data were derived from the Clopidogrel in High-Risk Patients with Acute Nondisabling Cerebrovascular Events (CHANCE) trial. A total of 5074 patients were categorized into three groups based on the aPTT distribution according to the 15th and 85th percentile. The primary outcome was any stroke within 90 days. The interaction of aPTT with antiplatelet therapy on stroke risk was assessed with a Cox proportional hazards model with adjustment for covariates. RESULTS In the high aPTT group (defined as ≥35.9 s), stroke occurred in 6.7% of patients in the clopidogrel-aspirin arm and 11.9% in the aspirin arm [adjusted hazard ratio (HR) 0.50; 95% confidence interval (CI) 0.29-0.85]. In the medium aPTT group (24.6-35.8 s), stroke occurred in 7.7% of patients in the clopidogrel-aspirin arm and 11.8% in the aspirin arm (adjusted HR 0.62; 95% CI 0.50-0.75). Furthermore, in the low aPTT group (≤24.5 s), stroke occurred in 11.2% of patients in the clopidogrel-aspirin arm and 9.9% in the aspirin arm (adjusted HR 1.07; 95% CI 0.65-1.62). The interaction P value of antiplatelet therapy with aPTT level at the cut-point of approximately 25 s or below was significant (P < 0.05). CONCLUSIONS Dual antiplatelet therapy was superior to single antiplatelet therapy in the high or medium aPTT group but not in the low aPTT group.
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Affiliation(s)
- X Xie
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - X Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - D T Laskowitz
- Department of Neurology, Duke University Medical Center, Durham, NC, USA
| | - X Zhao
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - Z Miao
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China.,Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - L Liu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - H Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - X Meng
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - Y Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
| | - Y Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China
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Deng B, Zhang S, Zhang Y, Miao Y, Meng X, Guo K. Knockdown of Tripartite Motif Containing 28 suppresses the migration, invasion and epithelial-mesenchymal transition in ovarian carcinoma cells through down-regulation of Wnt/β-catenin signaling pathway. Neoplasma 2019; 64:893-900. [PMID: 28895414 DOI: 10.4149/neo_2017_611] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Tripartite motif containing 28 (TRIM28) is a transcriptional corepressor of Kruppel-associated box zinc finger protein, which has been reported to participate in carcinogenesis. Nonetheless, whether TRIM28 plays a role in the metastasis of ovarian carcinoma (OC) is unclear and requires further investigation. In this study, two OC cell lines (A2780 and OVCAR-3) with stable low expression of TRIM28 were established via RNA interference. We found that the migratory and invasive ability of TRIM28-silenced OC cells significantly decreased. The expression and activity of matrix metallopeptidase (MMP)-2 and MMP-9 in these OC cells were inhibited. The TRIM28 shRNA also suppressed the epithelial-mesenchymal transition (EMT) of OC cells as evidenced by the up-regulated E-cadherin and the downregulated Vimentin and N-cadherin. Additionally, the Wnt/β-catenin signaling pathway was suppressed in TRIM28-silenced OC cells: the activity of β-catenin was inhibited, the expression of total and nuclear β-catenin, Axin 2, T-cell factor 1 (TCF1) and lymphoid enhancer binding factor 1 (LEF1) were decreased, whereas the phosphorylation of β-catenin at Ser33/37 was enhanced. Further, re-expression of active β-catenin in TRIM28-silenced OC cells partly restored their metastasis in vitro. Taken together, our study demonstrates a contributory role of TRIM28 in OC metastasis in vitro, suggesting TRIM28 as a novel therapeutic target for this malignant tumor.
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Wang H, Liu KJ, Sun YH, Cui LY, Meng X, Jiang GM, Zhao FW, Li JJ. Abortion in donkeys associated with Salmonella abortus equi infection. Equine Vet J 2019; 51:756-759. [PMID: 30868638 DOI: 10.1111/evj.13100] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Accepted: 03/08/2019] [Indexed: 01/02/2023]
Abstract
BACKGROUND Salmonella enterica subspecies enterica serovar abortus equi (S. abortus equi) is well known as the aetiological agent of equine abortion. However, abortion caused by S. abortus equi has not been previously described in donkeys. OBJECTIVES To investigate whether S. abortus equi was correlated with an abortion outbreak consisting of 61 abortions. STUDY DESIGN Investigation of the clinical cases using pathoanatomical, bacteriological, serological and molecular approaches. METHODS Autopsies on nine aborted foetuses were performed. Tissue specimens from seven aborted foetuses and two mares were cultured and subjected to detection of equine herpesvirus 1 (EHV-1), equine herpesvirus 4 (EHV-4) and equine arteritis virus (EAV) by polymerase chain reaction. The isolates were serotyped according to the Kaufmann-White scheme and analysed by multi-locus sequence typing (MLST). Detection of EHV and EAV antibodies was performed in all pregnant mares. RESULTS No obvious gross lesions were observed in the foetuses. Nine Gram-negative isolates were obtained from all nine tissue samples and were identified as Salmonella spp. All of the isolates belonged to the B group, the O antigen epitope was 4, 12 and H antigen was not obtained. The isolates of Salmonella were characterised as sequence type (ST) 251. Detection of EHV-1, EHV-4 and EAV was negative. MAIN LIMITATIONS The mechanism that causes abortion in donkeys needs further study and the lack of histological examination. CONCLUSION Salmonella abortus equi was isolated as the single agent and was responsible for the abortions. Equine practitioners should be aware of S. abortus equi infection as a cause of abortion in donkeys.
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Affiliation(s)
- H Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, China
| | - K J Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, China
| | - Y H Sun
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, China
| | - L Y Cui
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, China
| | - X Meng
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, China
| | - G M Jiang
- National Engineering Research Center for Gelatin-Based Traditional Chinese Medicine, Dong-E-E-Jiao Co. Ltd., Donge, Shandong, China
| | - F W Zhao
- National Engineering Research Center for Gelatin-Based Traditional Chinese Medicine, Dong-E-E-Jiao Co. Ltd., Donge, Shandong, China
| | - J J Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, China
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