alexa TGF-β signaling via TAK1 pathway: role in kidney fibrosis.
Molecular Biology

Molecular Biology

Journal of Cytology & Histology

Author(s): Choi ME, Ding Y, Kim SI

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Abstract In progressive kidney diseases, fibrosis represents the common pathway to end-stage kidney failure. Transforming growth factor-β1 (TGF-β1) is a pleiotropic cytokine that has been established as a central mediator of kidney fibrosis. Emerging evidence shows a complex scheme of signaling networks that enable multifunctionality of TGF-β1 actions. Specific targeting of the TGF-β signaling pathway is seemingly critical and an attractive molecular therapeutic strategy. TGF-β1 signals through the interaction of type I and type II receptors to activate distinct intracellular pathways involving the Smad and the non-Smad. The Smad signaling axis is known as the canonical pathway induced by TGF-β1. Importantly, recent investigations have shown that TGF-β1 also induces various non-Smad signaling pathways. In this review, we focus on current insights into the mechanism and function of the Smad-independent signaling pathway via TGF-β-activated kinase 1 and its role in mediating the profibrotic effects of TGF-β1. Copyright © 2012 Elsevier Inc. All rights reserved.
This article was published in Semin Nephrol and referenced in Journal of Cytology & Histology

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