转化生长因子β信号通路
生物
转化生长因子
转化生长因子β
细胞因子
基因表达
基因
免疫学
硬皮病(真菌)
BETA(编程语言)
转化生长因子β1
白细胞介素6
分子生物学
细胞生物学
遗传学
计算机科学
接种
程序设计语言
标识
DOI:10.1016/s1568-9972(02)00027-7
摘要
IL-4 is potentially a major profibrogenic cytokine upregulating the expression of collagen genes. In vivo studies have shown that the disruption of STAT6, IL-4R, IL-4 or transforming growth factor-beta (TGF-beta) genes in TSK mice, which develop scleroderma-like syndrome, prevented the occurrence of skin sclerosis and of autoantibodies. Additionally, it is known that the homozygosity of TSK mutation is lethal and the embryos die by day 7-8 of pregnancy. The disruption of IL-4 gene rescued from death TSK/TSK mice suggesting a role for IL-4 in embryonic development. Since TGF-beta should compensate the lack of IL-4 on regulation of collagen gene expression, we have studied the effect of IL-4 on the expression of TGF-beta gene. Our results showed IL-4 dependence of the transcription of TGF-beta gene and that in both TSK/+ and TSK/TSK IL-4-/- mice the expression of TGF-beta gene is impaired.
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