Background: Ulcerative colitis (UC) is a chronic non-specific intestinal inflammatory disease with unknown etiology. In recent years, the global incidence has been increasing. Sijunzi decoction (SJZD) is a traditional Chinese medicine that has been used for treatment of other diseases in previous studies as it has no side effects and it has a pharmacological effect in gastrointestinal function, immune system, ulcers, and tissue repair. Methods: PubMed, Embase, Cochrane Library, GeenMedical, China National Knowledge Infrastructure, Chinese Sci-tech Journals full-text Database, Chinese Biomedical Database, and Chinese Science Citation Database were searched to screen the related literatures of “ulcerative colitis” and “Jiawei Sijunzi decoction”. The research data extracted from above studies was analyzed by Review Manager 5.3 and Stata14.2 software. Results: This systematic review and meta-analysis will evaluate the efficacy and safety of Jiawei SJZD in the treatment of UC and provide effective evidence for clinical use. Conclusion: In this study, the published evidence of modified SJZD in the treatment of UC was systematically summarized and evaluated, so that it can be better applied in clinic. INPLASY registration number: INPLASY2020100102
[Objective] This paper aims to make a bioinformatics analysis on the functional site and fingerprint of CagI protein in helicobacter pylori cag pathogenicity island and further explore the functions of CagM protein. [Methods] Use PROSITE SCAN: http://www.expasy.ch/cgi-bin/ prosite/PSScan.cgi server to search the fingerprint sequence of CagI protein and analyze and discuss the possible functions. [Results] The search of PROSITE SCAN found that CagI protein has four kinds of functional sites: N-glycosylation site, protein kinase C phosphorylation site, casein kinase II phosphorylation site, and myristoylation acting site; the search of fingerPRINTScan and printsBLAST server found sixteen fingerprint tags of CagI protein: helicobacter pylori vacuolating toxin tag; flagellin tag; ATP synthetase δ subunit tag; helicobacter pylori outer membrane protein family tag, etc. It is predicted preliminarily that CagI protein also has these functions. [Conclusion] As a kind of secretory protein, CagI protein will be secreted to the outer membrane to form the membrane protein, which will become one part of elicobacter pylori IV type production secretion pilus involved in signal transduction and material transportation and acting as a messenger or carrier, and it many have hydrolase activity and ATP/GTP enzyme activity.*Fund program: National Nature Science Foundation Project (30870096); National Science Foundation Project in Jiangsu Colleges (08KJB310001)
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