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Cui TT, Huang JX, Ning BL, Mu F, Chen HY, Xing TY, Li H, Wang N. DNA methylation promotes the expression of PPARγ transcript 1 at least in part by preventing NRF1 binding to the promoter P1 of chicken PPARγ gene. Poult Sci 2024; 103:103559. [PMID: 38430780 PMCID: PMC10912915 DOI: 10.1016/j.psj.2024.103559] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 12/16/2023] [Accepted: 02/12/2024] [Indexed: 03/05/2024] Open
Abstract
Peroxisome proliferator-activated receptor gamma (PPARγ) is a master regulator of adipogenesis. Our previous study revealed that chicken PPARγ has 3 alternative promoters named as P1, P2, and P3, and the DNA methylation of promoter P3 was negatively associated with PPARγ mRNA expression in abdominal adipose tissue (AAT). However, the methylation status of promoters P1 and P2 is unclear. Here we assessed promoter P1 methylation status in AAT of Northeast Agricultural University broiler lines divergently selected for abdominal fat content (NEAUHLF). The results showed that promoter P1 methylation differed in AAT between the lean and fat lines of NEAUHLF at 7 wk of age (p < 0.05), and AAT expression of PPARγ transcript 1 (PPARγ1), which was derived from the promoter P1, was greatly higher in fat line than in lean line at 2 and 7 wk of age. The results of the correlation analysis showed that P1 methylation was positively correlated with PPARγ1 expression at 7 wk of age (Pearson's r = 0.356, p = 0.0242), suggesting P1 methylation promotes PPARγ1 expression. To explore the underlying molecular mechanism of P1 methylation on PPARγ1 expression, bioinformatics analysis, dual-luciferase reporter assay, pyrosequencing, and electrophoresis mobility shift assay (EMSA) were performed. The results showed that transcription factor NRF1 repressed the promoter activity of the unmethylated P1, but not the methylated P1. Of all the 4 CpGs (CpG48, CpG49, CpG50, and CpG51), which reside within or nearby the NRF1 binding sites of the P1, only CpG49 methylation in AAT was remarkably higher in the fat line than in lean line at 7 wk of age (3.18 to 0.57, p < 0.05), and CpG49 methylation was positively correlated with PPARγ1 expression (Pearson's r = 0.3716, p = 0.0432). Furthermore, EMSA showed that CpG49 methylation reduced the binding of NRF1 to the P1. Taken together, our findings illustrate that P1 methylation promotes PPARγ1 expression at least in part by preventing NRF1 from binding to the promoter P1.
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Affiliation(s)
- T T Cui
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; College of Life Science and Agriculture Forestry, Qiqihar University, Qiqihar, 161006, China; Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, China
| | - J X Huang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, China
| | - B L Ning
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, China
| | - F Mu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, China
| | - H Y Chen
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, China
| | - T Y Xing
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, China
| | - H Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, China
| | - N Wang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs; Key Laboratory of Animal Genetics, Breeding and Reproduction, Education Department of Heilongjiang Province, Harbin 150030, China.
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2
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Huang TT, Liu YN, Huang JX, Yan PP, Wang JJ, Cao YX, Cao L. Sodium sulfite-driven Helicobacter pylori eradication: Unraveling oxygen dynamics through multi-omics investigation. Biochem Pharmacol 2024; 222:116055. [PMID: 38354959 DOI: 10.1016/j.bcp.2024.116055] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/05/2024] [Accepted: 02/09/2024] [Indexed: 02/16/2024]
Abstract
Due to the emergence and spread of multidrug resistance in Helicobacter pylori (H. pylori), its eradication has become difficult. Sodium sulfite (SS), a widely used food additive for ensuring food safety and storage, has been recognized as an effective nonbactericidal agent for H. pylori eradication. However, the mechanism by which H. pylori adapts and eventually succumbs under low- or no-oxygen conditions remains unknown. In this study, we aimed to evaluate the anti-H. pylori effect of SS and investigated the multiomics mechanism by which SS kills H. pylori. The results demonstrated that SS effectively eradicated H. pylori both in vitro and in vivo. H. pylori responds to the oxygen changes regulated by SS, downregulates the HcpE gene, which is responsible for redox homeostasis in bacteria, decreases the activities of enzymes related to oxidative stress, and disrupts the outer membrane structure, increasing susceptibility to oxidative stress. Furthermore, SS downregulates the content of cytochrome C in the microaerobic respiratory chain, leading to a sharp decrease in ATP synthesis. Consequently, the accumulation of triglycerides (TGs) in bacteria due to oxidative stress supports anaerobic respiration, meeting their energy requirements. The multifaceted death of H. pylori caused by SS does not result in drug resistance. Thus, screening of the redox homeostasis of HcpE as a new target for H. pylori infection treatment could lead to the development of a novel approach for H. pylori eradication therapy.
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Affiliation(s)
- Ting-Ting Huang
- Department of Pharmacology, School of Basic Medical Science, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, China
| | - Yan-Ni Liu
- Department of Pharmacology, School of Basic Medical Science, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, China
| | - Jin-Xian Huang
- Software Department, East China University of Technology, Nanchang 330032, Jiangxi, China
| | - Ping-Ping Yan
- Department of Pharmacology, School of Basic Medical Science, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, China
| | - Ji-Jing Wang
- Department of Medical Biophysics and Biochemistry, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Yong-Xiao Cao
- Department of Pharmacology, School of Basic Medical Science, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, China.
| | - Lei Cao
- Precision Medical Institute, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, Shaanxi, China.
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3
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Huang JX, Lee YH, Leong PY, Wei JCC. Personalized tapering of tumor necrosis factor inhibitor in axial spondyloarthritis. Int J Rheum Dis 2024; 27:e15008. [PMID: 38140850 DOI: 10.1111/1756-185x.15008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023]
Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Yung-Heng Lee
- Department of senior services industry management, Minghsin University of Science and Technology, Hsinchu, Taiwan
- Department of Recreation and Sport Management, Shu-Te University, Kaohsiung, Taiwan
- Department of Orthopedics, Cishan Hospital, Ministry of Health and Welfare, Kaohsiung, Taiwan
| | - Pui-Ying Leong
- Division of of Allergy, Immunology & Rheumatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - James Cheng-Chung Wei
- Division of of Allergy, Immunology & Rheumatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
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Huang JX, Lee YH, Wei JCC. Optimal composite measures for psoriatic arthritis. Int J Rheum Dis 2023; 26:1897-1898. [PMID: 37807619 DOI: 10.1111/1756-185x.14829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 06/28/2023] [Indexed: 10/10/2023]
Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Yung-Heng Lee
- Department of senior services industry management, Minghsin University of Science and Technology, Hsinchu, Taiwan
- Department of Orthopedics, Cishan Hospital, Ministry of Health and Welfare, Kaohsiung, Taiwan
| | - James Cheng-Chung Wei
- Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
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Huang JX, Wei JCC. Janus kinase inhibitors: a future all-rounder in axial spondyloarthritis? Immunotherapy 2023; 15:1195-1198. [PMID: 37718695 DOI: 10.2217/imt-2023-0176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023] Open
Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, 518053, China
| | - James Cheng-Chung Wei
- Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, 40201, Taiwan
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, 40201, Taiwan
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Huang JX, Lee YH, Wei JCC. Patient-tailored dose reduction of tumor necrosis factor inhibitors in axial spondyloarthritis. Int Immunopharmacol 2023; 116:109804. [PMID: 36764276 DOI: 10.1016/j.intimp.2023.109804] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/25/2023] [Accepted: 01/26/2023] [Indexed: 02/11/2023]
Abstract
Tumor necrosis factor inhibitors have been widely used in the field of axial spondyloarthritis, with current guidelines now recommending dose reduction instead of withdrawal of biologics. Systemic review and meta-analyses in literature have summarized present tapering strategies and principles in published heterogeneous studies. In this study, we reviewed and provided an update on present evidence based on prospective and retrospective studies from 2008 to 2022 by performing a literature review of related publications on remission or relapse from PubMed. We further stated the core issues concerning dose reduction, including the timing, optimization, intensity, maintenance, monitoring, factors associated with tapering and solutions to de-escalation failure. Remission/relapse should be the principal consideration in dose reduction implementation for individuals without comorbidities. As a treat-to-target scope of this multifaceted systemic disease, extra-articular manifestations such as uveitis, psoriasis, inflammatory bowel disease, cardiovascular complication, hip involvement and progressed structural damage influence patient-tailored dose reduction plans. Safety concerns and costs should be integrated into the decision-making schedule to optimize the individualized dose reduction paradigm.
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Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Yung-Heng Lee
- Department of Senior Services Industry Management, Minghsin University of Science and Technology, Hsinchu, Taiwan; Department of Recreation and Sport Management, Shu-Te University, Kaohsiung, Taiwan; Department of Orthopedics, Cishan Hospital, Ministry of Health and Welfare, Kaohsiung, Taiwan
| | - James Cheng-Chung Wei
- Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.
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7
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Huang JX, Lee YH, Ko MY, Wei JCC. Calprotectin in psoriatic arthritis: Inflammation and beyond. Int J Rheum Dis 2023; 26:11-12. [PMID: 36591902 DOI: 10.1111/1756-185x.14470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/15/2022] [Accepted: 10/03/2022] [Indexed: 01/03/2023]
Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Yung-Heng Lee
- Department of Senior Services Industry Management, Minghsin University of Science and Technology, Hsinchu, Taiwan.,Department of Orthopedics, Cishan Hospital, Ministry of Health and Welfare, Kaohsiung, Taiwan
| | - Meng-Yu Ko
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Division of Gastroenterology and Hepatology, Changhua Christian Hospital, Changhua, Taiwan
| | - James Cheng-Chung Wei
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
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8
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Huang JX, Wei JCC. Postvaccination Acute Exacerbations of Idiopathic Pulmonary Fibrosis? Am J Respir Crit Care Med 2022; 206:917. [PMID: 35612928 PMCID: PMC9799278 DOI: 10.1164/rccm.202204-0756le] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of MedicineThe University of Hong Kong-Shenzhen HospitalShenzhen, China
| | - James Cheng-Chung Wei
- Department of Allergy, Immunology & RheumatologyChung Shan Medical University HospitalTaichung, Taiwan,Institute of Medicine, Chung Shan Medical University,Graduate Institute of Integrated Medicine, China Medical UniversityTaichung, Taiwan,Department of Medical Research, Taichung Veterans General HospitalTaichung, Taiwan,Corresponding author (e-mail: )
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9
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Huang JX, Lee YH, Cheng-Chung Wei J. Benefits of tumor necrosis factor inhibitors for cardiovascular disease in ankylosing spondylitis. Int Immunopharmacol 2022; 112:109207. [PMID: 36067655 DOI: 10.1016/j.intimp.2022.109207] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/21/2022] [Accepted: 08/27/2022] [Indexed: 11/05/2022]
Abstract
Ankylosing spondylitis (AS) has been associated with an increased cardiovascular disease (CVD) risk, with current guidelines recommending multiple CVD-related risk assessment strategies. CVD risk prediction using a scoring model with lipids might be another promising alternative, for which ultrasound screening for subclinical atherosclerosis may be considered together with surrogate markers. Theoretically, tumor necrosis factor inhibitors (TNFi), which are known to inhibit endothelial activation and inflammation caused by the disease and underlying metabolic dysfunction, might prevent microvascular events. In this narrative review, we summarized the evidence of TNFi effects on CVD in AS. Although early case reports revealed that CVD occurred during TNFi treatment, more recent evidence shows that it could be successfully treated. Studies of TNFi on lipid changes and subclinical atherosclerosis have shown controversial results, possibly due to genetic predisposition, differences in affinity for membrane-bound TNF leading to insufficient inhibition of inflammation or primary failure response to TNFi, and not enough follow-up time to identify potential significance. Overall, patients vulnerable to CVD could benefit from long-term administration of TNFi when inflammation is under control. Besides healthy lifestyle modification, traditional CVD risk factors and metabolic syndrome-related diseases should be further assessed and treated if necessary.
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Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Yung-Heng Lee
- Department of Senior Services Industry Management, Minghsin University of Science and Technology, Hsinchu, Taiwan; Department of Recreation and Sport Management, Shu-Te University, Kaohsiung, Taiwan; Department of Orthopedics, Cishan Hospital, Ministry of Health and Welfare, Kaohsiung, Taiwan
| | - James Cheng-Chung Wei
- Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.
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10
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Tan YX, Luo J, Huang JX, Luo DM, Liang HY, Zhou X, Liu XL, Xu N. [Analysis of the effect of gene mutations on the efficacy of ruxolitinib in patients with myelofibrosis based on second-generation sequencing technology]. Zhonghua Xue Ye Xue Za Zhi 2022; 43:323-329. [PMID: 35680632 PMCID: PMC9189480 DOI: 10.3760/cma.j.issn.0253-2727.2022.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Indexed: 12/01/2022]
Abstract
Objective: To assess the effect of gene mutations on the efficacy of ruxolitinib for treating myelofibrosis (MF) . Methods: We retrospectively analyzed the clinical data of 56 patients with MF treated with ruxolitinib from July 2017 to December 2020 and applied second-generation sequencing (NGS) technology to detect 127 hematologic tumor-related gene mutations. Additionally, we analyzed the relationship between mutated genes and the efficacy of ruxolitinib. Results: ①Among the 56 patients, there were 36 cases of primary bone marrow fibrosis (PMF) , 9 cases of bone marrow fibrosis (ppv-mf) after polycythemia vera, and 11 cases of bone marrow fibrosis (PET-MF) after primary thrombocytosis (ET) . ②Fifty-six patients with MF taking ruxolitinib underwent NGS, among whom, 50 (89.29%) carried driver mutations, 22 (39.29%) carried ≥3 mutations, and 29 (51.79%) carried high-risk mutations (HMR) . ③ For patients with MF carrying ≥ 3 mutations, ruxolitinib still had a better effect of improving somatic symptoms and shrinking the spleen (P=0.001, P<0.001) , but TTF and PFS were significantly shorter in patients carrying ≥ 3 mutations (P=0.007, P=0.042) . ④For patients carrying ≥ 2 HMR mutations, ruxolitinib was less effective in shrinking the spleen than in those who did not carry HMR (t= 10.471, P=0.034) , and the TTF and PFS were significantly shorter in patients carrying ≥2 HMR mutations (P<0.001, P=0.001) . ⑤Ruxolitinib had poorer effects on spleen reduction, symptom improvement, and stabilization of myelofibrosis in patients carrying additional mutations in ASXL1, EZH2, and SRSF2. Moreover, patients carrying ASXL1 and EZH2 mutations had significantly shorter TTF [ASXL1: 360 (55-1270) d vs 440 (55-1268) d, z=-3.115, P=0.002; EZH2: 327 (55-975) d vs 404 (50-1270) d, z=-3.219, P=0.001], and significantly shorter PFS compared to non-carriers [ASXL1: 457 (50-1331) d vs 574 (55-1437) d, z=-3.219, P=0.001) ; 428 (55-1331) d vs 505 (55-1437) d, z=-2.576, P=0.008]. Conclusion: The type and number of mutations carried by patients with myelofibrosis and HMR impact the efficacy of ruxolitinib.
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Affiliation(s)
- Y X Tan
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - J Luo
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - J X Huang
- Department of Hematology, Yuebei People's Hospital, Shaoguan 512025, China
| | - D M Luo
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - H Y Liang
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - X Zhou
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - X L Liu
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - N Xu
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
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Zhou Y, Liang WJ, Chen ZH, Liu T, Song T, Chen SW, Wang P, Li JL, Lan YH, Cheng MJ, Huang JX, Niu JW, Xiao JP, Hu JX, Lin LF, Huang Q, Deng AP, Tan XH, Kang M, Chen GM, Dong MR, Zhong HJ, Ma W. [Course of disease and related epidemiological parameters of COVID-19: a prospective study based on contact tracing cohort]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:474-478. [PMID: 35488546 DOI: 10.3760/cma.j.cn112150-20220107-00025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To analyze the course of disease and epidemiological parameters of COVID-19 and provide evidence for making prevention and control strategies. Methods: To display the distribution of course of disease of the infectors who had close contacts with COVID-19 cases from January 1 to March 15, 2020 in Guangdong Provincial, the models of Lognormal, Weibull and gamma distribution were applied. A descriptive analysis was conducted on the basic characteristics and epidemiological parameters of course of disease. Results: In total, 515 of 11 580 close contacts were infected, with an attack rate about 4.4%, including 449 confirmed cases and 66 asymptomatic cases. Lognormal distribution was fitting best for latent period, incubation period, pre-symptomatic infection period of confirmed cases and infection period of asymptomatic cases; Gamma distribution was fitting best for infectious period and clinical symptom period of confirmed cases; Weibull distribution was fitting best for latent period of asymptomatic cases. The latent period, incubation period, pre-symptomatic infection period, infectious period and clinical symptoms period of confirmed cases were 4.50 (95%CI:3.86-5.13) days, 5.12 (95%CI:4.63-5.62) days, 0.87 (95%CI:0.67-1.07) days, 11.89 (95%CI:9.81-13.98) days and 22.00 (95%CI:21.24-22.77) days, respectively. The latent period and infectious period of asymptomatic cases were 8.88 (95%CI:6.89-10.86) days and 6.18 (95%CI:1.89-10.47) days, respectively. Conclusion: The estimated course of COVID-19 and related epidemiological parameters are similar to the existing data.
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Affiliation(s)
- Y Zhou
- School of Public Health, Southern Medical University, Guangzhou 510515, China Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - W J Liang
- Institute of Immunization Programme, Guangdong Provincial Center for Disease Control and Prevention; Guangzhou 511430, China
| | - Z H Chen
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - T Liu
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - T Song
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - S W Chen
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - P Wang
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - J L Li
- Institute of Immunization Programme, Guangdong Provincial Center for Disease Control and Prevention; Guangzhou 511430, China
| | - Y H Lan
- Institute of Immunization Programme, Guangdong Provincial Center for Disease Control and Prevention; Guangzhou 511430, China
| | - M J Cheng
- Institute of Disinfection and Vector Control, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - J X Huang
- Institute of Environment and School Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - J W Niu
- Institute of Environment and School Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - J P Xiao
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - J X Hu
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - L F Lin
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Q Huang
- Institute of Nutrition and Food Safety, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - A P Deng
- Institute of Infectious Disease Control and Prevention, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - X H Tan
- Institute of Infectious Disease Control and Prevention, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - M Kang
- Institute of Infectious Disease Control and Prevention, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - G M Chen
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - M R Dong
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - H J Zhong
- Public Health Emergency Preparedness and Response Division, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Wenjun Ma
- School of Public Health, Southern Medical University, Guangzhou 510515, China Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
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12
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Huang JX, Zhang LJ. Successful treatment of tofacitinib in a case with rheumatoid arthritis who experienced hepatitis B virus reactivation induced by tocilizumab and recovered from entecavir rescue therapy. Arch Rheumatol 2021; 36:458-460. [PMID: 34870178 PMCID: PMC8612488 DOI: 10.46497/archrheumatol.2021.8230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/22/2020] [Indexed: 12/17/2022] Open
Affiliation(s)
- Jin-Xian Huang
- Department of Rheumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Li-Jun Zhang
- Department of Rheumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
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Wang X, Liu Y, Huang JX, Lu P, Ba Y, Wu L, Bai YX, Zhang S, Feng JF, Cheng Y, Li J, Wen L, Yuan XL, Ma CW, Hu CH, Fan QX, Xu BH, Huang J. [Correlation between nUGT1A1 gene polymorphisms and adverse events of irinotecan plus S-1 for patients with recurrent or metastatic esophageal squamous cell carcinoma: a prospective, open-label, randomized controlled trial (ESWN 01)]. Zhonghua Zhong Liu Za Zhi 2021; 43:1177-1182. [PMID: 34794220 DOI: 10.3760/cma.j.cn112152-20191022-00678] [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
Objective: To investigate the correlation between UGT1A1 polymorphisms and the irinotecan plus S-1 regimen-induced toxicities in Chinese advanced esophageal squamous cell carcinoma (ESCC) patients. Methods: A total of 46 recurrent or metastatic ESCC patients selected from ESWN 01 trial were randomly assigned to irinotecan plus S-1 group [intravenous infusion of irinotecan (160 mg/m(2)) on day 1 and oral S-1 (80-120 mg) on days 1-10, repeated every 14 days]. Peripheral venous blood at baseline was collected and genomic DNA was extracted. The genetic polymorphisms of UGT1A1*6 and UGT1A1*28 were analyzed by polymerase chain reaction (PCR) amplification. Irinotecan plus S-1 regimen-induced toxicities of patients with different UGT1A1 polymorphisms were observed. The correlation between UGT1A1 polymorphisms and the adverse effects was analyzed. Results: Among the 46 patients, the numbers of UGT1A1*6 wild type genotype (GG), mutant heterozygote (GA) and mutant homozygote (AA) were 30, 15 and 1, while those with UGT1A1*28 wild type genotype (TA6/6), mutant heterozygote (TA6/7) and mutant homozygote (TA7/7) were 36, 8 and 2, respectively. Only one patient with UGT1A1*6 AA genotype occurred grade 3 diarrhea, while one of the 2 patients with UGT1A1*28 TA7/7 genotype occurred grade 4 diarrhea. No neutropenia was observed in the patient with UGT1A1*6 AA genotype, however, both of the two patients with UGT1A1*28 TA7/7 genotype occurred grade 3-4 neutropenia. Patients with UGT1A1*28 genetic polymorphism (TA 6/7 or TA7/7) had a higher response rate compared with wild-type TA6/6 carriers. (55.6% versus 26.5%). Conclusions: The homozygous genotype of UGT1A1*6 AA and UGT1A1*28 TA7/7 are rare (<5%) in Chinese ESCC population. Not all homozygous AA and TA7/7 carriers occur severe dose limited toxicities (DLT) when treated with irinotecan (160 mg/m(2)) plus S-1 regimen for 2 weeks. However, it's still necessary torigorously observe the occurrence of severe diarrhea and neutropenia in patients with UGT1A1*6 AA and UGT1A1*28 TA7/7 and adjust the dose timely.
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Affiliation(s)
- X Wang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China the first author currently affiliated to: Daycare Center, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Y Liu
- Department of Medical Oncology, Henan Cancer Hospital, Zhengzhou 450008, China
| | - J X Huang
- Departmentof Medical Oncology, Taizhou People's Hospital, Taizhou 225300, China
| | - P Lu
- Department of Medical Oncology, the First Affiliated Hospital of Xinxiang Medical University, Xinxiang 453100, China
| | - Y Ba
- Department of Medical Oncology, Tianjin Cancer Hospital, Tianjin 300060, China
| | - L Wu
- Departmentof Medical Oncology, Hunan Cancer Hospital, Changsha 410006, China
| | - Y X Bai
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150040, China
| | - S Zhang
- Department of Medical Oncology, Shandong Cancer Hospital, Jinan 250117, China
| | - J F Feng
- Department of Medical Oncology, Jiangsu Cancer Hospital, Nanjing 210009, China
| | - Y Cheng
- Department of Medical Oncology, Jilin Cancer Hospital, Changchun 130012, China
| | - J Li
- Department of Radiotherapy, Shanxi Cancer Hospital, Taiyuan 030013, China
| | - L Wen
- Department of Medical Oncology, Shanxi Cancer Hospital, Taiyuan 030013, China
| | - X L Yuan
- Department of Medical Oncology, Tongji Hospital, Wuhan 430030, China
| | - C W Ma
- Department of Medical Oncology, Chifeng Municipal Hospital, Chifeng 024000, China
| | - C H Hu
- Department of Oncology, the Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Q X Fan
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - B H Xu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - J Huang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
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Zhao Y, Huang JX. Correspondence on 'Efficacy and safety of brodalumab, an anti-IL17RA monoclonal antibody, in patients with axial spondyloarthritis: 16-week results from a randomized, placebo-controlled, phase 3 trial'. Ann Rheum Dis 2021:annrheumdis-2021-220759. [PMID: 34172501 DOI: 10.1136/annrheumdis-2021-220759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 05/14/2021] [Indexed: 11/04/2022]
Affiliation(s)
- Yan Zhao
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China
| | - Jin-Xian Huang
- Rheumatology Department, The University of Hong Kong - Shenzhen Hospital, Shenzhen, Guangdong, China
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15
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Tian WM, Chen WW, Chen Y, Lin CX, Huang JX, Song YP, Yang YG. The role and mechanism of 1,25-dihydroxyvitamin D 3 in regulating the Rho-kinase signaling pathway in asthmatic rats. Transl Pediatr 2021; 10:773-782. [PMID: 34012827 PMCID: PMC8107869 DOI: 10.21037/tp-20-365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Bronchial asthma (referred to as asthma in the present study) is the most common chronic airway inflammatory disease in childhood. The present study aimed to investigate the effect of 1,25-dihydroxyvitamin D3 [1,25-(OH)2D3] on VDR expression, which is closely associated with asthmatic airway smooth muscle cells (ASMCs), and explored its role and mechanism in the Rho-kinase signaling pathway. METHODS The acute asthma model was induced by ovalbumin (OVA) and pertussis bacillus, and ASMCs obtained from asthmatic rats were cultured in vitro. These cells were randomly divided into five groups: control (N) group, TNF-α (TNF) group, 1,25-(OH)2D3 (VD) group, dexamethasone (DXM) group, and 1,25-(OH)2D3 + DXM (L) group. The protein expression levels of VDR, ROCK, MLC20 and P-MLC20 were detected by western blot, and the mRNA expression levels of VDR, ROCK, MLC20 and P-MLC20 were detected by real-time quantitative PCR. RESULTS The expression of ROCK, MLC20 and P-MLC20 in each treatment group were significantly lower, when compared to the TNF group (P<0.05), but this remained stronger than (P<0.05) or similar to (P>0.05) that in the N group. CONCLUSIONS The regulation mechanism of 1,25-(OH)2D3 in alleviating asthma should be correlated to its regulation of the expression of related signaling molecules in the Rho-kinase signaling pathway, and this effect may be achieved by regulating the mRNA and protein expression of the VDR gene.
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Affiliation(s)
- Wei-Min Tian
- Department of Pediatrics, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Wei-Wei Chen
- Department of Pediatrics, Affiliated Hospital of Jining Medical University, Jining, China
| | - Yu Chen
- Department of Pediatrics, Zhongshan Hospital of Xiamen University, Xiamen, China
| | - Chen-Xi Lin
- Department of Pediatrics, Zhongshan Hospital of Xiamen University, Xiamen, China
| | - Jin-Xian Huang
- Department of Pediatrics, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Ya-Ping Song
- School of Medicine, Xiamen University, Xiamen, China
| | - Yun-Gang Yang
- Department of Pediatrics, The First Affiliated Hospital of Xiamen University, Xiamen, China
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Zhu HS, Li D, Li C, Huang JX, Chen SS, Li LB, Shi Q, Ju XL. Prior transfusion of umbilical cord mesenchymal stem cells can effectively alleviate symptoms of motion sickness in mice through interleukin 10 secretion. World J Stem Cells 2021; 13:177-192. [PMID: 33708346 PMCID: PMC7933988 DOI: 10.4252/wjsc.v13.i2.177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 10/31/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Motion sickness (MS) is a disease that occurs during unbalanced movement, characterized by gastrointestinal symptoms and autonomic nervous system activation. Current clinical treatments for MS are limited. Recent evidence indicates that the levels of pro-inflammatory cytokines increase during MS and are associated with an inner ear immune imbalance. In the present study, mesenchymal stem cells (MSCs) have been shown to exert strong immuno-suppressive effects.
AIM To explore whether umbilical cord-derived mesenchymal stem cells (UC-MSCs) can prevent the occurrence of MS, and the underlying mechanism regulated by MSCs in a mouse model of MS.
METHODS A total of 144 (equal numbers of males and females) 5wkold BALB/c mice were randomly divided into five groups: Normal group (n = 16), MS group (n = 32), MSCs group (n = 32), MS + MSCs group (n = 32), and MS + AS101/MSCs group (n = 32). The MSCs group (n = 32), MS + MSCs group (n = 32), and MS + AS101/MSCs group (n = 32) were preventively transplanted with UC-MSCs or AS101-treated UC-MSCs (1 × 106 cells/mouse). Mice in the MS (n = 32), MS + MSCs, and MS + AS101/MSCs groups were subjected to rotation on a centrifuge for 10 min at 8 × g/min for MS model establishment on days 3, 5, 8, and 10 after UC-MSCs injection. The Morris water maze (MWM) test was used to observe the symptom of dizziness. Enzyme-linked immunosorbent assay (ELISA) and reverse transcription-quantitative polymerase chain reaction (RT-qPCR) were used to detect the levels of inflammatory cytokines in mice peripheral blood and the petrous part of the temporal bone samples. Western blot analysis was performed to analyze the JAK2/STAT3 signaling pathway in the cochlear tissues. Histological examination was performed by hematoxylin and eosin (HE) staining for conventional morphological evaluation in the petrous part of temporal bone samples.
RESULTS The MWM test demonstrated that UC-MSCs improved the symptoms of MS. The MS + MSCs group was faster than the MS group on days 3 and 5 (P = 0.036 and P = 0.002, respectively). ELISA and RT-qPCR showed that the serum and mRNA levels of interleukin-10 (IL-10) in the cochlear tissues were increased after transplantation with UC-MSCs (MS + MSCs group vs MS group at 3 and 5 d, P = 0.002 and cP < 0.001, respectively). RT-qPCR results confirmed a significant increase in IL-10 levels at four time points (MS + MSCs group vs MS group, P = 0.009, P = 0.009, P = 0.048, and P = 0.049, respectively). This suggested that UC-MSCs reduced the sensitivity of the vestibular microenvironment by secreting IL-10. Moreover, Western blot analysis showed that the MSCs activated the JAK2/STAT3 signaling pathway in the cochlear tissues. The levels of IL-10, IL-10RA, JAK2, STAT3, and phosphorylated JAK2 and STAT3 in the MS + MSCs group were increased compared to those of the MS group (P < 0.05). The morphological changes in the four groups showed no significant differences. The role of IL-10 secretion on the ability of UC-MSCs to successfully improve the symptoms of MS was confirmed by the diminished therapeutic effects associated with treatment with the IL-10 inhibitor ammonium trichloro (dioxoethylene-o,o′) tellurate (AS101).
CONCLUSION Prophylactic transplantation of UC-MSCs can alleviate the clinical symptoms of MS in mice, particularly at 3-5 d after preventive transplantation. The mechanism for UC-MSCs to reduce the sensitivity of vestibular cortex imbalance may be the secretion of IL-10. The next step is to demonstrate the possibility of curing MS in the vestibular environment by intermittent transplantation of MSCs. Above all, MSCs are expected to become a new method for the clinical prevention and treatment of MS.
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Affiliation(s)
- Hua-Su Zhu
- Department of Pediatrics, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong Province, China
| | - Dong Li
- Stem Cell and Regenerative Medicine Research Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong Province, China
| | - Cong Li
- Department of Pediatrics, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong Province, China
| | - Jin-Xian Huang
- Department of Pediatrics, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong Province, China
| | - Shan-Shan Chen
- Department of Pediatrics, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong Province, China
| | - Lan-Bo Li
- Department of Animal Laboratory, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong Province, China
| | - Qing Shi
- Stem Cell and Regenerative Medicine Research Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong Province, China
| | - Xiu-Li Ju
- Department of Pediatrics, Qilu Hospital of Shandong University, Jinan 250012, Shandong Province, China
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Huang JX, Zhang LJ, Wei JCC. Interleukin-17 Inhibitors for the Treatment of Ankylosing Spondylitis. Rheumatol Immunol Res 2020; 1:25-29. [PMID: 36465082 PMCID: PMC9524761 DOI: 10.2478/rir-2020-0004] [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] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 06/30/2020] [Indexed: 06/17/2023]
Abstract
Tumor necrosis factor inhibitor (TNFi) has been applied in the treatment of ankylosing spondylitis (AS) for many years but still with an unmed need due to inefficacy or intolerance. Current treatment guideline recommended the use of IL-17 inhibitors over a second TNFi in patients with primary nonresponse to the first TNFi. We herein review the present available IL-17 inhibitors including secukinumab (SEC), ixekizumab (IXE), brodalumab and bimekizumab (BKZ) in clinical trials of AS. Therapeutic response and safe profile have been discussed in detail for each drug. Overall, IL-17 inhibitors were proved to be alternatives for biologic disease-modifying anti-rheumatic drugs (bDMARDs) in AS, which might be safer for tuberculosis while candida infection should be monitored in long term treatment.
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Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Li-Jun Zhang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - James Cheng-Chung Wei
- Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
- Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan, China
- Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan, China
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan, China
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Wei JCC, Tsou HK, Leong PY, Chen CY, Huang JX. Head-to-Head Comparison of Etanercept vs. Adalimumab in the Treatment of Ankylosing Spondylitis: An Open-Label Randomized Controlled Crossover Clinical Trial. Front Med (Lausanne) 2020; 7:566160. [PMID: 33195311 PMCID: PMC7662505 DOI: 10.3389/fmed.2020.566160] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 09/30/2020] [Indexed: 01/31/2023] Open
Abstract
Background: Anti-tumor necrosis factor biological agents had been proved to have a dramatic effect in ankylosing spondylitis (AS). We aimed to determine the efficacy and safety of crossover effects of adalimumab vs. etanercept in AS patients. Methods: A randomized, open-label crossover study was done in patients with active AS. Patients were randomized into two sequence groups, etanercept first (treatment arm) vs. adalimumab first (control arm) 8 weeks and then switched over for another 8 weeks. The primary endpoints were the difference of the Bath AS activity index and AS disease activity score (ASDAS)crp at week 16. Secondary endpoints were ASDASesr, ASAS20, and ASAS40 response rates and the proportion of patients achieving ASDAS inactive disease and low disease activity at weeks 8 and 16. Patient global assessment and preference was grading on a numerical scale. Results: A total of 21 patients were screened, and 19 of them were randomly allocated into the treatment arm (n = 9) and control arm (n = 9). At baseline, age, sex, Bath AS activity index, and ASDAS of both arms were comparable (p > 0.05). Both arms showed dramatic improvement, whereas no significance was observed between the changes of ASDAScrp (0.90 ± 1.39 vs. 1.24 ± 1.40 at week 8, p = 0.612; 1.02 ± 1.22 vs. 1.26 ± 1.44 at week 16, p = 0.707, respectively). ASAS20 and ASAS40 response rates were also comparable at week 8 (33 vs. 44%, p = 1.000; 22 vs. 22%, p = 1.000) and week 16 (22 vs. 22%, p = 1.000; 22 vs. 22%, p = 1.000), respectively. Both arms were well-tolerated without a serious adverse event. Adalimumab was relatively more favorable by patients in both arms, with a total mean grading score of 0.4 (−5–5, p = 0.218). Conclusion: Etanercept and adalimumab can both dramatically improve disease activity in 16 weeks. Crossover administration of etanercept and adalimumab revealed comparable efficacy and safety. Trial Registration: The protocol was approved by the Institutional Review Board with the register CS08019 from Chung Shan Medical University Hospital (CSMUH), Taichung, Taiwan and registered at ClinicalTrials.gov Protocol Registration and Results System: NCT02489760.
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Affiliation(s)
- James Cheng-Chung Wei
- Department of Rheumatology & Immunology, Chung Shan Medical University Hospital, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Hsi-Kai Tsou
- Functional Neurosurgery Division, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Rehabilitation, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli County, Taiwan
| | - Pui-Ying Leong
- Department of Rheumatology & Immunology, Chung Shan Medical University Hospital, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chia-Yin Chen
- Department of Rheumatology & Immunology, Chung Shan Medical University Hospital, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- *Correspondence: Jin-Xian Huang
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Tan YX, Xu N, Huang JX, Wu WE, Liu L, Zhou LL, Liu XL, Yin CX, Xu D, Zhou X. [Analysis of gene mutations and clinic features in 108 patients with myeloproliferative neoplasm]. Zhonghua Xue Ye Xue Za Zhi 2020; 41:576-582. [PMID: 32810965 PMCID: PMC7449771 DOI: 10.3760/cma.j.issn.0253-2727.2020.07.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Objective: To analyze the genetic mutations and clinical features of the subtypes of classical BCR-ABL-negative myeloproliferative neoplasm (MPN) . Methods: Mutations of 108 newly diagnosed BCR-ABL-negative MPN patients [including 55 patients with essential thrombocytopenia (ET) , 24 with polycythemia vera (PV) , and 29 with primary myelofibrosis (PMF) ] were identified using next-generation sequencing with 127-gene panel, and the relationship between gene mutations and clinical features were analyzed. Results: Total 211 mutations in 32 genes were detected in 100 MPN patients (92.59% ) , per capita carried (1.96±1.32) mutations. 85.19% (92/108) patients carried the driver gene (JAK2, CALR, MPL) mutations, 69.56% (64/92) of these patients carried at least 1 additional gene mutation. In descending order of mutation frequency, the highest frequency was for activation signaling pathway genes (42.2% , 89/211) , methylation genes (17.6% , 36/211) , and chromatin-modified genes (16.1% , 34/211) . There was a significant difference in the number of mutations in the activation signaling pathway genes, epigenetic regulatory genes, spliceosomes, and RNA metabolism genes among the three MPN subgroups. The average number of additional mutations in PMF patients was higher than that in ET and PV patients (1.69±1.39, 0.67±0.70, 0.87±1.22, χ(2)=13.445, P=0.001) . MPN-SAF-TSS (MPN 10 score) (P=0.006) and myelofibrosis level (P=0.015) in patients with ≥ 3 mutant genes were higher and the HGB level (P=0.002) was lower than in those with<3 mutations. Twenty-six patients (24.1% ) carried high-risk mutation (HMR) , and patients with HMR had lower PLT (P=0.017) , HGB levels (P<0.001) , and higher myelofibrosis level (P=0.010) and MPN10 score (P<0.001) . The frequency of ASXL1 mutations was higher in PMF than in PV patients (34.5% vs. 4.2% , P=0.005) . PMF patients with ASXL1 had lower levels of PLT and HGB (P=0.029 and 0.019) . Conclusion: 69.56% of MPN patients carry at least one additional mutation, and 24.1% patients had HMR. Each subgroup had different mutation patterns. PMF patients had a higher average number of additional gene mutations, especially a higher frequency of ASXL1 mutation; PLT and HGB levels were lower in ASXL1 mutation PMF patients.
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Affiliation(s)
- Y X Tan
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - N Xu
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - J X Huang
- Department of Hematology, Yuebei People's Hospital, Shaoguan 512025, China
| | - W E Wu
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - L Liu
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - L L Zhou
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - X L Liu
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - C X Yin
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - D Xu
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
| | - X Zhou
- Department of Hematology, Nan fang Hospital, Southern Medical University, Guangzhou 510515, China
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Huang JX, Leong PY, Wei JCC. Correspondence on 'Effectiveness of secukinumab versus an alternative TNF inhibitor in patients with axial spondyloarthritis previously exposed to TNF inhibitors in the Swiss Clinical Quality Management cohort' by Micheroli et al. Ann Rheum Dis 2020; 81:e226. [PMID: 32933918 DOI: 10.1136/annrheumdis-2020-218779] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/07/2020] [Accepted: 08/08/2020] [Indexed: 11/04/2022]
Affiliation(s)
- Jin-Xian Huang
- Department of Rheumatology, University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Pui-Ying Leong
- Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan.,Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - James Cheng-Chung Wei
- Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan .,Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
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Abstract
INTRODUCTION Ixekizumab (IXE) is a high affinity IgG4 approved for the treatment of ankylosing spondylitis (AS). Recently, two phase III randomized clinical trials (COAST-V, COAST-W) showed significant and sustained improvements in signs and symptoms of AS as evaluated by ASAS40 response. Areas covered: The authors performed a comprehensive literature search on this topic, by a review of published articles to date. The authors introduced the structure and the mechanism of action of IXE, and critically reviewed data from clinical trials, concerning its efficacy and safety in AS.Expert opinion: IXE proved dramatic efficacy and tolerable safety in patients with AS, in particular, patients with intolerance or insufficient response to TNFi, which provides an alternative and breakthrough for the treatment options of AS. IXE might not work in AS with IBD and uveitis involvement. Patients treated with IXE should be aware of candida infection in long term application.
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Affiliation(s)
- Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital , Shenzhen, China
| | - Yung-Heng Lee
- Department of Health Services Administration, China Medical University , Taichung, Taiwan.,Department of Public Health, China Medical University , Taichung, Taiwan.,Department of Orthopedics, Cishan Hospital, Ministry of Health and Welfare , Kaohsiung, Taiwan.,Department of Center for General Education, National United University , Miaoli, Taiwan
| | - James Cheng-Chung Wei
- Department of Rheumatology, BenQ Medical Center, the Affiliated BenQ Hospital of Nanjing Medical University , Nanjing, China.,School of Clinical Medicine, Beijing Tsinghua Changgung Hospital, Tsinghua University , Beijing, China.,Institute of Medicine, Chung Shan Medical University Hospital , Taichung, Taiwan.,College of Medicine, Chung Shan Medical University , Taichung, Taiwan.,Graduate Institute of Integrated Medicine, China Medical University , Taichung, Taiwan
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Wei JCC, Zhang LJ, Huang JX. Placebo responses in ankylosing spondylitis patients worldwide: variations and possible explanations. Expert Rev Clin Immunol 2020; 16:447-450. [PMID: 32213079 DOI: 10.1080/1744666x.2020.1748500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- James Cheng-Chung Wei
- Department of Rheumatology, BenQ Medical Center, the Affiliated BenQ Hospital of Nanjing Medical University, China
- Division of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital, Institute of Medicine, Chung Shan Medical University; Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Li-Jun Zhang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Jin-Xian Huang
- Division of Rheumatology, Department of Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
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Hu JJ, Nie SM, Gao Y, Yan XS, Huang JX, Li TL, Liu SS, Mao CX, Zhou JJ, Xu YJ, Wang W, Meng FJ, Feng XQ. [The correlations and prognostic value of neutrophil to lymphocyte ratio, immunophenotype and cytogenetic abnormalities in patients with newly diagnosed multiple myeloma]. Zhonghua Xue Ye Xue Za Zhi 2020; 40:1044-1046. [PMID: 32023739 PMCID: PMC7342691 DOI: 10.3760/cma.j.issn.0253-2727.2019.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- J J Hu
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - S M Nie
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Y Gao
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - X S Yan
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - J X Huang
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - T L Li
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - S S Liu
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - C X Mao
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - J J Zhou
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Y J Xu
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - W Wang
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - F J Meng
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - X Q Feng
- Department of Hematology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
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Liang JY, Xiao ZY, Zhang D, Ma MJ, Huang JX, Shi CZ, Luo LP. [Value of dynamic MRI in monitoring the microenvironmental changes of anti-vascular therapy in a xenograft model]. Zhonghua Yi Xue Za Zhi 2020; 100:51-56. [PMID: 31914559 DOI: 10.3760/cma.j.issn.0376-2491.2020.01.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the feasibility of dynamic-enhanced magnetic resonance imaging (DCE-MRI) and blood oxygen level-dependent MRI (BOLD-MRI) in assessing the hemodynamics and tumor aggressiveness during treatment. Methods: The colon cancer xenograft model was established in BALB/C nude mice with HCT116 cell line. Sixteen nude mice were randomly divided into treatment and control groups (aged 6 to 8 weeks, weighted 15 to 18 g, Certificate No. 11400700325797), which were treated with bevacizumab and saline by intraperitoneal injection on the 1st, 4th, 7th, 10th and 13th day. DCE-MRI and BOLD-MRI were performed before and on the 3th, 6th, 9th, 12th, and 15th day after treatment. The vascular maturity and microenvironment hypoxia were confirmed by pathology. Results: The tumor volume of treatment group was significantly smaller than that of control group after 15 days ((712±43) vs (1 051±112) mm(3),P<0.01).The measurements of K(trans) were (0.135±0.005),(0.147±0.006),(0.175±0.009),(0.161±0.006), (0.140±0.005),(0.116±0.008)/min (F=81.386, P<0.01); K(ep) were (0.788±0.030),(0.804±0.036),(0.983±0.059), (1.105±0.091),(0.840±0.047),(0.786±0.041)/min(F=45.901,P<0.01);Ve were (0.652±0.006), (0.559±0.026), (0.466±0.016), (0.286±0.027), (0.363±0.020), (0.246±0.033) (F=384.290, P<0.01) and R2* values were (24.813±0.961), (24.675±1.070), (21.425±1.371), (17.850±0.885), (24.613±0.640), (27.013±0.734)/s (F=89.323, P<0.01) showed different trends with time in the treatment group, and the differences were statistically significant. The K(trans) values and tumor vessel maturity index (VMI) were higher than baseline values during 3-12 d after treatment. CD31 positive staining rate and VMI had the strongest correlations with K(trans) values (r=0.854 and 0.795), followed by AUC(180) (r=0.750 and 0.808), Ve (r=0.744 and 0.712) and K(ep) values (r=0.729 and 0.758), all P<0.05. R2* value positively correlated with the positive staining rate of HIF-1α and fibronectin (r=0.810 and 0.816), all P<0.05. Conclusion: DCE-MRI and BOLD-MRI are adequate to observe the tumor perfusion and hypoxia during anti-vascular treatment, and the R2* value can predict the tumor metastatic potential during the process of vascular normalization.
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Affiliation(s)
- J Y Liang
- Medical Imaging Center, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - Z Y Xiao
- Institute of Molecular and Functional Imaging, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - D Zhang
- Medical Imaging Center, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - M J Ma
- Medical Imaging Center, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - J X Huang
- Medical Imaging Center, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - C Z Shi
- Medical Imaging Center, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - L P Luo
- Medical Imaging Center, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China
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He BL, Xu N, Li YL, Pan CY, Cao R, Liao LB, Yin CX, Lan YQ, Lu ZY, Huang JX, Zhou HS, Liu QF, Liu XL. [Clinical analysis of adult Philadelphia chromosome-positive acute lymphoblastic leukemia with p16 gene deletion]. Zhonghua Xue Ye Xue Za Zhi 2017; 38:204-209. [PMID: 28395443 PMCID: PMC7348375 DOI: 10.3760/cma.j.issn.0253-2727.2017.03.006] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
目的 探讨p16基因缺失在成人Ph染色体阳性急性淋巴细胞白血病(Ph+ ALL)中的临床意义。 方法 回顾性分析80例Ph+ALL伴p16基因缺失患者的临床特征、免疫表型、细胞遗传学、分子生物学改变及其预后。 结果 31.3% Ph+ALL患者合并p16基因缺失;p16基因缺失组与非缺失组相比,初诊时高白细胞计数(WBC≥30×109/L)更常见,高表达CD20,更易出现附加染色体异常,其中以累及7、8、19号染色体以及der(22)较为常见;两组诱导缓解率比较差异无统计学意义(P=0.033),p16基因缺失组患者治疗3个疗程后获BCR-ABL融合基因主要分子学反应(MMR)率和完全分子学反应(CMR)率均明显低于非缺失组(P值分别为0.034和0.036),且复发率明显高于非缺失组(P=0.033);p16基因缺失组使用伊马替尼联合化疗者和使用达沙替尼联合化疗者的MMR、CMR率及复发率差异均无统计学意义(P值均>0.05);p16基因缺失组患者3年总体生存(OS)率及无病生存(DFS)率分别为37.1%和12.4%,显著低于非缺失组的54.1%和45.9%(P值分别为0.037和0.026);25例p16基因缺失患者中14例行异基因造血干细胞移植(allo-HSCT),其中位OS时间为21个月,明显长于非移植组患者的12个月(P=0.030)。 结论 成人Ph+ALL伴p16基因缺失患者预后相对较差,二代酪氨酸激酶抑制剂不能明显改善其疗效,但allo-HSCT能够改善部分患者的生存,明确p16基因缺失状态对于评估预后和指导临床治疗有重要意义。
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Affiliation(s)
- B L He
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Pan CY, Xu N, He BL, Cao R, Liao LB, Yin CX, Lan YQ, Lu ZY, Huang JX, Sun J, Feng R, Liu QF, Liu XL. [Clinical significance of cytogenetic monitoring in chronic myeloid leukemia]. Zhonghua Xue Ye Xue Za Zhi 2017; 38:112-117. [PMID: 28279034 PMCID: PMC7354167 DOI: 10.3760/cma.j.issn.0253-2727.2017.02.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Objective: To analyze the association of cytogenetic abnormalities with the prognosis of chronic myeloid leukemia (CML) patients in tyrosine kinase inhibitors (TKI) era. Methods: Karyotype analysis of chromosome G-banding was carried out in 387 newly diagnosed CML patients by short-term culture of bone marrow cells. The correlation of cytogenetic abnormalities and CML progression was explored in combination with ABL tyrosine point mutations. Result: Of 387 patients with positive BCR-ABL fusion gene assayed by fluorescence in situ hybridization (FISH) technique, 94.1% (364/387) patients were Ph positive and 5.9% (23/387) Ph negative; 320 patients (87.9%) had a translocation t (9;22) (q34;q11) and 5 (1.4%) a variant translocation t (v;22) . Additional cytogenetic aberrations (ACA) at diagnosis were found in 10.7% (39/387) Ph(+) patients, major route ACA in 22 (56.4%) cases and minor route ACA in 15 (38.5%) cases and 2 patients (5.1%) lacked the Y chromosome (-Y) ; 23.4% (71/303) patients occurred ACA during TKI treatment and the most frequent abnormalities were abnormal chromosome numbersd, which were likely associated with high proportion of disease progression (χ(2)=168.21, P<0.001) and ABL tyrosine point mutations (χ(2)=29.04, P<0.001) . Newly diagnosed CML-CP patients with t (9;22) (q34;q11) had a longer event-free survival (EFS) and disease-free survival (DFS) rates than that of patients with ACA (P=0.037; P=0.003) , while the overall survival (OS) had no significant differences (P=0.209) . As for CML-CP patients that occurred ACA during TKI therapy would have a marked low OS, EFS and DFS (all P<0.001) compared with no ACA occurred patients. Survival of advanced patients that occurred ACA were dramatically reduced. Conclusion: ACA often emerged during the disease progress in CML patients, regular and timely detection of chromosomes karyotype and ABL tyrosine point mutations during TKI treatment was important for therapeutic evaluation, progress and prognosis of CML.
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Affiliation(s)
- C Y Pan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Lu QS, Xu N, Zhou X, Cai GX, Li L, Li YL, Lu ZY, Huang JX, Liu QF, Liu XL. [Clinical characteristics and prognosis of 35 patients with therapy-related hematological neoplasms]. Zhonghua Xue Ye Xue Za Zhi 2017; 37:221-6. [PMID: 27033760 PMCID: PMC7342953 DOI: 10.3760/cma.j.issn.0253-2727.2016.03.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
目的 探讨治疗相关血液肿瘤的临床特征及预后。 方法 采用细胞形态学、流式细胞术、间期荧光原位杂交技术(I-FISH)、染色体核型分析对35例治疗相关血液肿瘤患者进行诊断和分型并回顾性分析其临床特征及预后。 结果 35例患者中,治疗相关急性髓系白血病(t-AML)20例,治疗相关急性淋巴细胞白血病(t-ALL)4例,治疗相关急性混合细胞白血病1例,治疗相关非霍奇金淋巴瘤(t-NHL) 8例,治疗相关骨髓增生异常综合征(t-MDS)2例。第一肿瘤至治疗相关恶性血液肿瘤的中位发病间隔期为29(16~90)个月,中位生存时间14(1~60)个月,3年累积生存率为17.1%。在25例治疗相关性急性白血病患者中,40.0%(10/25)合并复杂核型,36.0%(9/25)合并MLL断裂基因重排,12.0%(3/25)合并AML-ETO融合基因阳性,1例合并NPM1点突变,1例合并P16基因缺失。 结论 治疗相关血液肿瘤患者的预后差。
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Affiliation(s)
- Q S Lu
- Department of Hematology, Nanfang Hospital, Southern Medical University, 510515 Guangzhou, China
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28
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Xia YJ, Liu JY, Huang JX. [Formulate occupation diagnosis standard of frostbite]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2016; 34:792-793. [PMID: 28043261 DOI: 10.3760/cma.j.issn.1001-9391.2016.10.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Bai H, Wang LL, Huang YF, Huang JX. [An experimental study of mesenchymal stem cells in tissue engineering scaffolds implanted in rabbit corneal lamellae to increase keratoprosthesis biointegration]. Zhonghua Yan Ke Za Zhi 2016; 52:192-7. [PMID: 26979116 DOI: 10.3760/cma.j.issn.0412-4081.2016.03.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To complete a preliminary evaluation of the feasibility of implanting the complex of mouse bone marrow mesenchymal stem cells (BMSC) and a tissue engineering scaffold into rabbit corneal lamellae, based on which a solution may be proposed to consolidate the keratoprosthesis and the recipient surface, and to reduce the risk of complications. METHODS This experimental study was composed of two parts. (1) In vitro: some mouse BMSC were marked with red fluorescent proteins (RFP) and integrated with a decellularized pig articular cartilage extracellular matrix (ECM) scaffold. The cell survival was observed under a fluorescence microscope at 4 and 8 weeks. The cell distribution was examined by toluidine blue staining. The pore structure and the cell adhesion were observed under a scanning electron microscope. (2) in vivo: the complex of mouse BMSC and a decellularized scaffold was implanted into the lamellar cornea of 8 rabbit eyes with the fellow eyes as the controls. The eyes were sampled for observation using HE staining under a light microscope at 2, 4 and 8 weeks, respectively. The cell survival was examined under a fluorescence microscope, and the intracorneal cell survival at 8 weeks was observed using in vivo imaging. The conditions of ocular anterior segment of all the experimental animals were recorded. RESULTS (1) Under the scanning electron microscope, the ECM scaffolds showed satisfactory porosity required for the adhesion and growth of cells and tissues, and the cell distribution over the cell-scaffold complex can be observed by toluidine blue staining. (2) Under the immunofluorescence microscope, cell proliferation was observed in vitro and in the interlamellar space (the maximum observation time was 8 weeks) after the RFP-marked mouse BMSC were integrated in vitro with ECM scaffolds. (3) Under the light microscope (HE staining), the stromal cells were detected to increase at each timepoint. A small number of monocytes and some mouse BMSC were observed in the superficial layer of corneal stroma, with sparsely and orderly arranged collagenous fibers and no neovascularization. All the epithelial cells appeared as mononuclear, columnar and undamaged, and the shape of ECM scaffolds, which were fused with the collagens, became unclear. (4) By in vivo imaging, it was found that the mouse BMSC survived for 8 weeks after being integrated with scaffolds and implanted into the interlamellar space of rabbit cornea. (5) After the implantation of cell-scaffold complex, severe postoperative inflammatory reactions, obvious conjunctival congestion and neovascularization were not observed. The corneal tissues surrounding the recipient area were transparent. One week later, mild inflammatory reactions were barely observed, and the cornea was transparent enough to observe the scaffold in the stromal layers. Four weeks later, the scaffolds became thinner. Eight weeks later, the scaffolds became extremely thin with normal vascular system in the corneal limbus. CONCLUSIONS The ECM scaffold is a solid and biocompatible carrier for the growth and proliferation of BMSC. The mouse BMSC can grow and proliferate in the microenvironment of the interlamellar space of cornea.
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Affiliation(s)
- H Bai
- Department of Ophthalmology, PLA General Hospital, Beijing 100853, China
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Qi RL, Chen Y, Huang JX, Yang FY. Effects of conjugated linoleic acid on the expression levels of miR-27 and miR-143 in pig adipose tissue. Genet Mol Res 2015; 14:6985-92. [PMID: 26125907 DOI: 10.4238/2015.june.26.7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
In this study, we evaluated the effect and possible mech-anism of action of dietary conjugated linoleic acid (CLA) on pig body fat deposition. Landrace piglets (N = 48) were randomly divided into three groups, which were fed diets containing 0% (control), 1%, or 2% CLA. Dorsal and abdominal subcutaneous adipose tissues were col-lected, and real-time polymerase chain reaction (PCR) was used to de-termine the expression of adipocyte differentiation marker genes and associated microRNAs (miRNAs). Our results indicated that dietary CLA significantly decreased body fat deposition in the pig dorsum. The expression of adipocyte differentiation marker genes, including peroxi-some proliferator-activated receptor (PPAR)-γ and CCAAT/enhancer-binding protein α (C/EBPα) were not affected, whereas the expression of fatty acid binding protein 4 (FABP4) was significantly enhanced (P < 0.05). The expression of miR-27 and miR-143 in adipose tissue was significantly decreased. Data analysis indicated a significant negative correlation between miR-27 and FABP4 expression in the dorsal sub-cutaneous adipose tissue. In addition, the expression of miR-143 and miR-27 exhibited a significant negative relationship with FABP4 and PPARγ in the abdominal subcutaneous adipose tissue. Thus, miRNA levels in adipose tissues could be modulated by CLA, thereby affecting adipose metabolism.
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Affiliation(s)
- R L Qi
- Chongqing Academy of Animal Science, Rongchang, Chongqing, China
| | - Y Chen
- Chongqing Academy of Animal Science, Rongchang, Chongqing, China
| | - J X Huang
- Chongqing Academy of Animal Science, Rongchang, Chongqing, China
| | - F Y Yang
- Chongqing Academy of Animal Science, Rongchang, Chongqing, China
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Abstract
MicroRNA molecules have been increasingly regarded as a diagnostic and prognostic marker of certain diseases. The aim of this study was to investigate the expression and clinical significance of miR-122 and miR-29 in liver disease related to hepatitis B virus infection. The serum levels of miR-122 and miR-29 in 20 patients with hepatocellular carcinoma (HCC), 20 patients with liver cirrhosis (LC), 29 patients with chronic hepatitis B (CHB), 20 cases of hepatitis B virus carriers (ASC), and 20 healthy controls (HC) were determined by a fluorescence real-time quantitative PCR method and then evaluated by clinical correlation analysis. Compared with the serum levels of miR-122 in the HC, LC, and ASC groups, those in patients with HCC and CHB were significantly increased. The serum levels of miR-29 in LC patients were lower than those in the healthy controls (P < 0.01). A positive correlation was observed between the expression of miR-122 and miR-29, and HBV DNA in patients with CHB. A negative correlation was found between miR-29 and α-fetoprotein in patients with HCC. The elevation in miR-122 was correlated with liver damage in CHB patients and with the pathogenesis of liver cancer in HCC patients. The decrease in miR-29 expression was related to the incidence of liver fibrosis. The detection of miR-122 and miR-29 may be useful in evaluating the inflammatory liver injury and fibrosis associated with chronic HBV infection.
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Affiliation(s)
- T J Xing
- Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
| | - D F Jiang
- Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
| | - J X Huang
- Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
| | - Z L Xu
- Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
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Carbone V, Kim H, Huang JX, Baker MA, Ong C, Cooper MA, Li J, Rockman S, Velkov T. Molecular characterization of the receptor binding structure-activity relationships of influenza B virus hemagglutinin. Acta Virol 2013; 57:313-332. [PMID: 24020757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Selectivity of α2,6-linked human-like receptors by B hemagglutinin (HA) is yet to be fully understood. This study integrates binding data with structure-recognition models to examine the impact of regional-specific sequence variations within the receptor-binding pocket on selectivity and structure activity relationships (SAR). The receptor-binding selectivity of influenza B HAs corresponding to either B/Victoria/2/1987 or the B/Yamagata/16/88 lineages was examined using surface plasmon resonance, solid-phase ELISA and gel-capture assays. Our SAR data showed that the presence of asialyl sugar units is the main determinant of receptor preference of α2,6 versus α2,3 receptor binding. Changes to the type of sialyl-glycan linkage present on receptors exhibit only a minor effect upon binding affinity. Homology-based structural models revealed that structural properties within the HA pocket, such as a glyco-conjugate at Asn194 on the 190-helix, sterically interfere with binding to avian receptor analogs by blocking the exit path of the asialyl sugars. Similarly, naturally occurring substitutions in the C-terminal region of the 190-helix and near the N-terminal end of the 140-loop narrows the horizontal borders of the binding pocket, which restricts access of the avian receptor analog LSTa. This study helps bridge the gap between ligand structure and receptor recognition for influenza B HA; and provides a consensus SAR model for the binding of human and avian receptor analogs to influenza B HA.
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MESH Headings
- Amino Acid Sequence
- Animals
- Binding Sites
- Chick Embryo
- Chickens
- Hemagglutinin Glycoproteins, Influenza Virus/chemistry
- Hemagglutinin Glycoproteins, Influenza Virus/genetics
- Hemagglutinin Glycoproteins, Influenza Virus/metabolism
- Humans
- Influenza B virus/chemistry
- Influenza B virus/genetics
- Influenza B virus/metabolism
- Influenza in Birds/genetics
- Influenza in Birds/metabolism
- Influenza in Birds/virology
- Influenza, Human/genetics
- Influenza, Human/metabolism
- Influenza, Human/virology
- Models, Molecular
- Molecular Sequence Data
- Protein Structure, Secondary
- Receptors, Virus/chemistry
- Receptors, Virus/genetics
- Receptors, Virus/metabolism
- Structure-Activity Relationship
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Zhao M, Huang JX, Wong MH, Tang YM, Ong CW. Versatile computer-controlled system for characterization of gas sensing materials. Rev Sci Instrum 2011; 82:105001. [PMID: 22047322 DOI: 10.1063/1.3648132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Design of a system used for characterizing gas sensing materials is described. It is distinctive of being able to measure electrical and optical responses of a sample simultaneously, control a number of measurement parameters, perform fast exchange of gaseous environment, and be fully controlled automatically. These features make the system to be versatile in determining most concerned performance indexes of a gas sensing material (e.g., sensitivity, stability, selectivity, response/recovery times, etc.) as functions of various combinations of measurement conditions (e.g., gas concentrations, temperature, total pressure, content of interferants, photo assist, relative humidity, soaking time in a fixed gas concentration, and number of switching cycles in a dynamic test, etc.). Rationales of the designs associated with general gas sensing mechanics are discussed.
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Affiliation(s)
- M Zhao
- Department of Applied Physics and Materials Research Center, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
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Zhang Q, Niu Q, Li LY, Yang L, Guo XL, Huang JX, Wang LP, Liang YX. Establishment of a poisoned animal model of toxic encephalopathy induced by 1,2-dichloroethane. Int J Immunopathol Pharmacol 2011; 24:79S-83S. [PMID: 21329570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023] Open
Abstract
1,2-dichloroethane(1,2-DCE) is toxic, especially by inhalation due to its high vapour pressure. Inhalation of concentrated 1,2-DCE vapor can induce effects on the human nervous system, even encephalopathy. However, 1,2-DCE toxic encephalopathy has seldom been reported, and no adequate data were available to evaluate the encephalopathy of 1,2-DCE in experimental animals. The aim of the present study was to establish a toxic experimental animal model induced by 1,2-DCE. Dose effect and time effect of 1,2-DCE on the nervous system were detected. The rats were treated by 1,2-DCE at various concentrations of 0, 2.5, 5.0, 10.0 g/m3 for 6 h and treatment of rats at 10.0 g/m3 for 0, 3, 6, and 12 h. Morphology of brain tissue was observed by HE staining and TEM under light and electron microscope, besides water contents in the cortex and medulla of rats were analyzed. The results indicated that 1,2-DCE induced abnormal histopathology, and significantly higher water content were confirmed in the cerebral cortex of toxic animal model in a dose- and time-dependent manner. To declare that 1,2-DCE could induce toxic encephalopathy with a pathological feature of cerebral edema is very important for the medical rescue in urgent toxic accidents.
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Affiliation(s)
- Q Zhang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, PR China
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Mao KB, Li HT, Hu DY, Wang J, Huang JX, Li ZL, Zhou QB, Tang HJ. Estimation of water vapor content in near-infrared bands around 1 mum from MODIS data by using RM-NN. Opt Express 2010; 18:9542-9554. [PMID: 20588801 DOI: 10.1364/oe.18.009542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
An algorithm based on the radiance transfer model (RM) and a dynamic learning neural network (NN) for estimating water vapor content from moderate resolution imaging spectrometer (MODIS) 1B data is developed in this paper. The MODTRAN4 is used to simulate the sun-surface-sensor process with different conditions. The dynamic learning neural network is used to estimate water vapor content. Analysis of the simulation data indicates that the mean and standard deviation of estimation error are under 0.06 gcm(-2 )and 0.08 gcm(-2). The comparison analysis indicates that the estimation result by RM-NN is comparable to that of a MODIS water vapor content product (MYD05_L2). Finally, validation with ground measurement data shows that RM-NN can be used to accurately estimate the water vapor content from MODIS 1B data, and the mean and standard deviation of the estimation error are about 0.12 gcm(-2 )and 0.18 gcm(-2).
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Affiliation(s)
- K B Mao
- Key Laboratory of Dryland Farming and Water-Saving Agriculture, MOA, and Key Laboratory of Resources Remote Sensing and Digital Agriculture, MOA, and Hulunber Grassland Ecosystem Observation and Research Station, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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Liao ZT, Pan YF, Huang JL, Huang F, Chi WJ, Zhang KX, Lin ZM, Wu YQ, He WZ, Wu J, Xie XJ, Huang JX, Wei QJ, Li TW, Wu Z, Yu BY, Gu JR. An epidemiological survey of low back pain and axial spondyloarthritis in a Chinese Han population. Scand J Rheumatol 2009; 38:455-9. [PMID: 19922021 DOI: 10.3109/03009740902978085] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVE To investigate the prevalence of low back pain (LBP) and axial spondyloarthritis (SpA) in a Chinese Han population. METHODS A face-to-face investigation was performed in the Han population of Dalang Town, Yangshan County, Guangdong Province, China, using a questionnaire established in France in 1999. First the clinical features associated with SpA were investigated, then the human leucocyte antigen (HLA)-B27 and sacroiliac joint radiographic examinations were carried out. Finally, the diagnosis of SpA was determined by rheumatologists. RESULTS A total of 13 315 subjects participated in the study and 10 921 were aged >16 years; of these, 787 (7.21%) had LBP. There were 92 axial SpA patients (0.782% in subjects >16 years old and 11.96% in subjects with LBP). There were 29 (0.253%) cases of ankylosing spondylitis (AS), 60 (0.507%) undifferentiated axial SpA (USpA), and three (0.022%) psoriatic arthritis (PsA). Patients in the SpA groups had higher percentages in onset <40 years, insidious onset, morning stiffness, and affected for >3 months compared with those in other LBP groups. Simultaneous symptoms associated with spondylitis, such as buttock pain, heel pain, psoriasis, and SpA family history, were more commonly present. Of the axial SpA patients, 82.67% were HLA-B27 positive, clearly a greater percentage than those (11.65%) in other LBP groups. CONCLUSIONS The survey questionnaire for SpA in this study is useful for axial SpA screening in China. In southern China, the prevalence of LBP is 7.21%. The prevalence of axial SpA is 0.782%. USpA is the most common subtype of SpA, followed by AS.
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Affiliation(s)
- Z T Liao
- Department of Rheumatology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, PR China
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Guo ZS, Li C, Lin ZM, Huang JX, Wei QJ, Wang XW, Xie YY, Liao ZT, Chao SY, Gu JR. Association of IL-1 gene complex members with ankylosing spondylitis in Chinese Han population. Int J Immunogenet 2009; 37:33-7. [PMID: 19930406 DOI: 10.1111/j.1744-313x.2009.00889.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
There are reports of IL-1 complex gene polymorphisms in ankylosing spondylitis (AS; MIM 106300), but the results have been inconsistent among populations. Moreover, few studies examine the association between IL-1 complex gene polymorphisms and clinical symptoms of AS patients. We investigated polymorphisms of IL-1 complex with AS in the Chinese Han population in this study. Chinese Han AS patients and ethnically matched healthy controls were genotyped for five single nucleotide polymorphisms (IL1beta+3953, beta-511, F10.3, RN.4, RN.6/1) and the IL1RN.VNTR of IL-1 gene cluster. Allele, Genotype and haplotype frequencies were compared between cases and controls by SHEsis software. The frequency of allele C of the marker IL1F10.3 was significantly increased in AS patients versus controls [p = 0.001, odds ratio (OR) = 1.54, 95% confidence interval (CI) = 1.19-1.20; p = 0.002, respectively]. Strong linkage disequilibrium was identified between IL1B-511, IL1B+3953 and RN4 in both patients and healthy controls (D' > 0.95). Haplotypes of pairs of these markers (6) were also significantly associated with AS. The strongest associations observed was between allele combination B-511-T/B+3953-C/F10.3-C/RN4-T/RN2VNTR-1/RN6.1-C and AS (p = 3.32 x 10(-5), OR = 4.41, 95% CI=2.1-9.3). Clinical manifestation showed week association between RN2VNTR A2 allele and risk of peripheral arthritis (OR = 0.2, 95% CI = 0.07-0.91). The IL-1 gene cluster is associated with AS in Chinese population. This finding provides strong statistical support for the previously observed relationship and indicates possible association between clinical manifestation and genetic factor.
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Affiliation(s)
- Z S Guo
- Department of Rheumatology, Third affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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38
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Liao ZT, Pan YF, Huang JL, Huang F, Chi WJ, Zhang KX, Lin ZM, Wu YQ, He WZ, Wu J, Xie XJ, Huang JX, Wei QJ, Li TW, Wu Z, Yu, Gu JR. An epidemiological survey of low back pain and axial spondyloarthritis in a Chinese Han population. Scand J Rheumatol Suppl 2009. [DOI: 10.1080/03009740902978085] [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: 11/01/2022]
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39
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Abstract
The dynamics of yolk sac utilization and changes of leptin levels in serum, hypothalamus, and yolk sac with age were investigated in Beijing-You (BY) and Arbor Acres (AA) male broilers during 11 d after hatch. The growth rate and feed intake of BY broilers were lower (P < 0.0001) than those of AA broilers, but the dynamics of the weights and total energy contents of yolk sacs were similar between both strains and decreased exponentially with age. Leptin levels in yolk sacs of both broiler strains increased with age during 3 d posthatching. Compared with those of AA broilers, leptin levels in yolk sacs of BY broilers were greater (P <or= 0.0413) on d 0 and 3. There was no change in serum leptin levels in BY broilers, whereas in AA broilers, serum leptin levels on d 1 and 3 were greater (P <or= 0.0306) than that on d 0 and then decreased with age. Compared with AA broilers, BY broilers showed lower (P <or= 0.0254) levels of serum leptin on d 1 and 3. Hypothalamic leptin levels of both strains decreased with age except AA broilers on d 0. Hypothalamic neuropeptide Y (NPY) levels of BY and AA broilers increased with age until d 7 and then decreased. There were no differences in hypothalamic leptin and NPY levels between both strains during 11 d after hatch. Correlation analysis showed that average daily feed intake had a negative correlation with serum and hypothalamic leptin and positive correlation with hypothalamic NPY. Our results indicated that the dynamics of yolk sac utilization were similar between BY and AA broilers and decreased exponentially with age. The developmental changes of leptin and NPY in serum and hypothalamus with age varied in parameter and strain, and both signal molecules might be involved in the early programming of feed intake in chickens, but the mechanisms need further studies.
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Affiliation(s)
- J X Huang
- Mineral Nutrition Research Division, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100094, China
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40
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Xu WC, Chen SR, Huang JX, Zheng ZC, Chen LX, Lin JJ, Li YG. Expression and distribution of S-100 protein, CD83 and apoptosis-related proteins (Fas, FasL and Bcl-2) in thyroid tissues of autoimmune thyroid diseases. Eur J Histochem 2007; 51:291-300. [PMID: 18162459 DOI: 10.4081/1154] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Previous studies have shown that dendritic cells (DCs) and apoptosis-related proteins play a critical role in the pathogenesis of autoimmune thyroid diseases (ATD). This study was designed to investigate the expression and distribution of S-100 protein, CD83 and apoptosis-related proteins (Fas, FasL and Bcl-2) in the thyroid tissues of ATD and their role in ATD pathogenesis as determined by immunochemical staing techniques and other methods. Pathological tissues of 30 patients with Hashimoto's thyroiditis (HT), 30 patients with Graves' disease (GD) and 30 cases of thyroid follicular adenoma (TFA, as control) were used for this study. A higher expression of S-100 in HT (4.2+/-3.1%) and GD (3.9+/-2.8%) vs TFA (0.95+/-0.64%) (p<0.001). was observed as well as a higher expression of CD83 in HT (22.58+/-13.96% and GD (29.92+/-14.43%) vs TFA (5.19+/-8.08%) (p<0.001). HT thyrocytes adjacent to thyroid infiltrating lymphocytes (TILs) showed greater increases in the levels of Fas and FasL than did the GD thyrocytes while HT TILs exhibited lower expression of Fas and FasL than did the GD TILs. GD thyrocytes expressed increased levels of the antiapoptotic protein Bcl-2 as compared to the low levels detected in HT thyrocytes. An opposite pattern was observed in the TILs in GD (low expression of Bcl-2) and HT (high expression of Bcl-2). The findings suggest that the high expression of DC markers is related to the pathogenesis of HT and GD. Up-regulation of both the number and matured functions of DCs may lead to the presentation of more antigens to lymphocytes which are related to the development of autoimmune thyroid diseases. The regulation of Fas/FasL/Bcl-2 in GD favors apoptosis of infiltrating lymphocytes and thyrocyte survival. The regulation of Fas/FasL/Bcl-2 in HT may promote thyrocyte apoptosis leading to hypothyroidism.
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Affiliation(s)
- W C Xu
- The First Hospital of Shantou University Medical School, Guangdong, Shantou, China
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41
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Zhou S, Huang JX, Kinkel J, Stark W. Contamination of toxic volatile and semi-volatile compounds from automobile materials. Bull Environ Contam Toxicol 2006; 76:301-5. [PMID: 16468010 DOI: 10.1007/s00128-006-0921-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2005] [Accepted: 11/15/2005] [Indexed: 05/06/2023]
Affiliation(s)
- S Zhou
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Graduate School of Chinese Academy of Sciences, Beijing, 100085, People's Republic of China
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Huang JX, Mehrens D, Wiese R, Lee S, Tam SW, Daniel S, Gilmore J, Shi M, Lashkari D. High-throughput genomic and proteomic analysis using microarray technology. Clin Chem 2001; 47:1912-6. [PMID: 11568118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
BACKGROUND High-density microarrays are ideally suited for analyzing thousands of genes against a small number of samples. The next step in the discovery process is to take the resulting genes of interest and rapidly screen them against thousands of patient samples, tissues, or cell lines to further investigate their involvement in disease risk or the response to medication. METHODS We used a microarray technology platform for both single-nucleotide polymorphisms (SNPs) and protein expression. Each microarray contains up to 250 elements that can be customized for each application. Slides contained either a 16- or 96-microarray format (4000-24,000 elements per slide), allowing the corresponding number of samples to be rapidly processed in parallel. RESULTS Results for SNP genotyping and protein profiling agreed with results of restriction fragment length polymorphism (RFLP) analysis or ELISA, respectively. Genotyping analyses, using the microarray technology, on large sample sets over multiple polymorphisms in the NAT2 gene were in full agreement with traditional methodologies, such as sequencing and RFLP analysis. The multiplexed protein microarray had correlation coefficients of 0.82-0.99 (depending on analyte) compared with ELISAs. CONCLUSIONS The integrated microarray technology platform is adaptable and versatile, while offering the high-throughput capabilities needed for drug development and discovery applications.
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Affiliation(s)
- J X Huang
- Genometrix Inc., 2700 Research Forest Dr., The Woodlands, TX 77381, USA
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Zhang MS, Huang JX. [Determination of solanesol in the extracts of tobacco leaves by high performance liquid chromatography]. Se Pu 2001; 19:470-1. [PMID: 12545450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2023] Open
Abstract
A method for the determination of solanesol in the extracts of tobacco leaves by high performance liquid chromatography has been developed. The column used was Shim-pack CLC-SIL(5 microns, 5 mm i.d. x 150 mm) and the UV detector was set at 215 nm. The eluent was a mixture of n-hexane and isopropyl alcohol (98:2, V/V). As the results showed, the linear range was 1 microgram-10 micrograms(r = 0.9997), the average recovery of solanesol was 98.1% and the relative standard deviation was 1.9%. This method is fast, accurate and reproducible.
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Affiliation(s)
- M S Zhang
- Center for Analysis and Test, Guizhou Normal University, Guiyang 550001, China.
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44
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Caprio MA, Huang JX, Faver MK, Moore A. Characterization of male and female wingbeat frequencies in the Anopheles quadrimaculatus complex in Mississippi. J Am Mosq Control Assoc 2001; 17:186-189. [PMID: 14529086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Classifying individual mosquitoes of the Anopheles quadrimaculatus species complex to species has always been time consuming and complex, involving genetic analysis and profiling. We characterized the wingbeat frequencies of the 3 species of the Anopheles quadrimaculatus complex (An. quadrimaculatus, An. smaragdinus, and An. maverlius) that occur in Mississippi to determine if this character could successfully distinguish between individuals of the 3 species. Wingbeats of females varied from 320 to 480 beats/sec, but no significant differences in wingbeat frequencies were found among females from 3 populations of the 3 species. Wingbeats of males were higher than those of females (500-770 beats/sec), and the mean wingbeat frequency of An. maverlius was significantly different from the means of An. quadrimaculatus and An. smaragdinus, although overlap occurred at the individual level. Such overlap precludes use of wingbeat frequencies as an identification mechanism, and indicates that, at least for the An. quadrimaculatus complex, wingbeat frequencies are not involved in mate recognition.
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Affiliation(s)
- M A Caprio
- Department of Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS 39762-9775, USA
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45
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Song ZH, Huang JX, Wang R. [A chemiluminescence flow sensor for vitamin B1]. Yao Xue Xue Bao 2001; 36:467-9. [PMID: 12585135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
AIM To determine vitamin B1 in pharmaceutical preparations by chemiluminescence (CL) flow sensor. METHODS When 200 microL of Na3PO4 was passed through an anion exchange column, K3Fe(CN)6 was eluted from the resin and then mixed with the vitamin B1 stream containing NaOH to product CL, by the fast oxidation reaction between vitamin B1 and K3Fe(CN)6 in alkaline solution. RESULTS The CL emission intensity was correlated with the vitamin B1 concentration in the range 1.0 x 10(-5) to 1.0 x 10(-3) mol.L-1 and the detection limit was 8.0 x 10(-6) mol.L-1 (3 sigma). A complete analysis, including sampling and washing, can be performed within 2 min with a relative standard deviation of less than 4.0%. CONCLUSION The vitamin B1 flow sensor was stable for over 200 analyses and has been applied successfully to determination of vitamin B1 in pharmaceutical preparations.
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Affiliation(s)
- Z H Song
- Department of Chemistry, Northwest University, Xi'an 710069, China.
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Wang F, Su ZL, Huang JX, Wang L, Yang WY, Jiang SC. [Culture of human nasal respiratory epithelial cells in serum free medium supplemented with hormones and growth factors and measurement of human nasal ciliary motility using videomicroscopy]. Lin Chuang Er Bi Yan Hou Ke Za Zhi 2000; 14:370-2. [PMID: 12563902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
OBJECTIVE To establish a culture model of human nasal respiratory epithelial cells and a method of measuring human nasal ciliary motility. METHOD The human nasal respiratory epithelial cells were detached with collagenase and cultured in serum free medium supplemented with hormones and growth factors, the ciliary beat frequency was measured by videomicroscopy. RESULT After inoculation, cells cultured with this method adhered in 24 hours, confluented in 6-8 days and lived for 16 days. During that time ciliary beating was active, both acidic and neutral mucoitin granules were rich in goblet cells and all chromosome of 23 pairs were normal, the ciliary beat frequency in 29 subjects' nasal mucosa was (411 +/- 24) beats/min (mean +/- s). CONCLUSION A culture model of human nasal respiratory epithelial cells in serum free medium supplemented with hormones and growth factors and a method of measuring human nasal ciliary motility was successfully established.
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Affiliation(s)
- F Wang
- Department of Otorhinolaryngology, PLA 304 Hospital, Beijing 100037
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Du GH, Hu JJ, Xia LJ, Huang JX, Zhang JT. [Advances and development of drug screening]. Yao Xue Xue Bao 1998; 33:876-9. [PMID: 12016953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Barnes DA, Bonnin A, Huang JX, Gousset L, Wu J, Gut J, Doyle P, Dubremetz JF, Ward H, Petersen C. A novel multi-domain mucin-like glycoprotein of Cryptosporidium parvum mediates invasion. Mol Biochem Parasitol 1998; 96:93-110. [PMID: 9851610 DOI: 10.1016/s0166-6851(98)00119-4] [Citation(s) in RCA: 107] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Cryptosporidium parvum is a protozoan parasite which produces self-limited disease in immunocompetent hosts and devastating, persistent diarrhea in immunocompromised individuals. There is no effective treatment for cryptosporidiosis and little is known about the basic biology of the organism. Cloning and sequence analysis of the gene encoding GP900, a previously identified > 900 kDa glycoprotein, predicts a mucin-like glycoprotein composed of distal cysteine-rich domains separated by polythreonine domains and a large membrane proximal N-glycosylated core region. A trinucleotide repeat composed predominantly of the triplet ACA encodes the threonine domains. GP900 is stored in micronemes prior to appearance on the surface of invasive forms. The concentration of native GP900 which inhibits 50% (IC50) of invasion in vitro is low picomolar; the IC50 for a recombinant cysteine rich-domain is low nanomolar. These observations indicate that GP900 is a parasite ligand for a host receptor involved in attachment/invasion and suggest that immunotherapy or chemotherapy directed against GP900 may be feasible.
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Affiliation(s)
- D A Barnes
- Department of Medicine, University of California-San Francisco General Hospital, 94110, USA
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Ye TT, Huang JX, Shen YE, Lu PL, Christiani DC. Respiratory symptoms and pulmonary function among Chinese rice-granary workers. Int J Occup Environ Health 1998; 4:155-9. [PMID: 10026476 DOI: 10.1179/oeh.1998.4.3.155] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
The authors conducted a cross-sectional study of 474 rice-granary workers and 235 non-granary worker controls in a rural area near Shanghai, the People's Republic of China. Responses to a respiratory-symptom questionnaire and pre- and post-shift spirometry were obtained for all subjects. Area sampling was performed for total and vertically elutriated (</= 15 micrometer) dust levels. Total dust levels were high, ranging from 6.6 mg/m(3) to 59.8 mg/m(3), with vertical elutriated dust concentrations ranging from 2.0 to 10. 4 mg/m(3). The granary workers reported significantly more respiratory symptoms, including chronic cough, sputum production, chronic bronchitis, grain fever (ODTS), and nasal and skin irritation. Grain dust and tobacco smoking were more than additive for the prevalence of chronic cough and chronic bronchitis. After adjusting for confounders, the granary workers had lower mean FEV&inf1;/FVC values both pre- and post-shift, indicating an association between chronic grain-dust exposure and chronic airway obstruction. The results suggest that exposure to rice dust can induce pulmonary responses similar to those observed with exposures to other types of grains.
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Affiliation(s)
- T T Ye
- Harvard School of Public Health, 665 Huntington Avenue, I-1405, Boston, MA 02115, USA
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Huang JX. [Introduction to burn injuries due to electrosurgery]. Zhonghua Hu Li Za Zhi 1997; 32:492-3. [PMID: 9495974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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