کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5933543 1573387 2014 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Transforming Growth Factor-β-Independent Role of Connective Tissue Growth Factor in the Development of Liver Fibrosis
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی کاردیولوژی و پزشکی قلب و عروق
پیش نمایش صفحه اول مقاله
Transforming Growth Factor-β-Independent Role of Connective Tissue Growth Factor in the Development of Liver Fibrosis
چکیده انگلیسی
We previously identified transforming growth factor (TGF)-β signaling as a fibronectin-independent mechanism of type I collagen fibrillogenesis following adult liver injury. To address the contribution of TGF-β signaling during the development of liver fibrosis, we generated adult mice lacking TGF-β type II receptor (TGF-βIIR) from the liver. TGF-βIIR knockout livers indeed showed a dominant effect in reducing fibrosis, but fibrosis still remained approximately 45% compared with control and fibronectin knockout livers. Unexpectedly, this was accompanied by significant up-regulation of connective tissue growth factor mRNA levels. Organized type I collagen networks in TGF-βIIR knockout livers colocalized well with fibronectin. We provide evidence that elimination of TGF-βIIR is not sufficient to completely prevent liver fibrosis. Our results indicate a TGF-β-independent mechanism of type I collagen production and suggest connective tissue growth factor as its potent mediator. We advocate combined elimination of TGF-β signaling and connective tissue growth factor as a potential therapeutic target by which to attenuate liver fibrosis.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: The American Journal of Pathology - Volume 184, Issue 10, October 2014, Pages 2611-2617
نویسندگان
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