Processing of precursor interleukin 1 beta and inflammatory disease.
نویسندگان
چکیده
منابع مشابه
Expression of interleukin 1 beta and interleukin 1 beta converting enzyme by intestinal macrophages in health and inflammatory bowel disease.
BACKGROUND In the lipopolysaccharide (LPS) stimulated peripheral blood monocyte, the precursor form of interleukin 1 beta (IL-1 beta, 31 kD) is processed by IL-1 beta converting enzyme (ICE) to the mature, bioactive form (17 kD). IL-1 beta is a proinflammatory cytokine which is likely to have a role in the pathogenesis of inflammatory bowel disease (IBD). AIMS To investigate the expression an...
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In situ production of interleukin 1 alpha (IL-1 alpha) and IL-1 beta was investigated in Peyer's patches (PP) of mice undergoing an acute bacterial infection with Yersinia enterocolitica O8. Synthesis of IL-1 beta, as determined by immunohistochemistry, was found primarily in monocytes migrating into the inflamed PP. In comparison, synthesis of IL-1 alpha was temporarily delayed by at least 24 ...
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Interleukin-1 beta (IL-1 beta) is derived from an inactive precursor by proteolytic cleavage. To study IL-1 beta processing, we expressed the precursor in Escherichia coli, partially purified it, and used it as a substrate for various potentially relevant protease preparations. The precursor alone was virtually inactive, but incubation with membranes from human monocytes or myeloid cell lines y...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1990
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(19)39328-7