Model for protecting mouse ulcerative colitis by antibacterial peptide C-BF

A technique for ulcerative colitis and C-BF applied in the field of biomedicine
CN104031883AInactive Publication Date: 2014-09-10ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2014-09-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a model for protecting mouse ulcerative colitis by antibacterial peptide C-BF. Cathelicin-BF has broad-spectrum antibacterial activity, especially for Gram negative bacteria. Inflammatory bowel diseases (IBDs) comprise ulcerative colitis (UC) and Crohn disease (CD), and pathomechanisms of the diseases are not clear yet. A model for inducing the mouse ulcerative colitis by 3% dextran sulphate sodium (DSS) is built; a PBS solution of the C-BF is subjected to rectal injection once per day, the dose of the C-BF is 5mg / kg, the continuous injection time is one week, a mouse is weighed and the body weight data of the mouse is recorded each day during experimental period, and the rectal bleeding and dung forming situations of the mouse are observed. The model is used for making a research on a protection effect on the mouse UC caused by the C-BF.
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Description

technical field

[0001] The invention belongs to the field of biomedicine, and in particular relates to the protective effect of C-BF antimicrobial peptide on UC mice. Background technique

[0002] IBD is the abbreviation of inflammatory bowel disease, including ulcerative colitis and Crohn's disease, and its pathological mechanism is still unclear. IBD is defined as chronic relapsing gastrointestinal inflammation. Recent studies have shown that various immune, genetic and environmental factors affect the initiation and progression of colitis. The incidence of IBD is higher in Western countries, however, the incidence of IBD in other parts of the world is also increasing due to the influence of Western lifestyle. Ulcerative colitis is a chronic gastrointestinal disease associated with inflammation of the colonic mucosal surface. Human infection with ulcerative colitis may transform into the third most malignant tumor in humans—colorectal cancer.

[0003] There are two majo...

Claims

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