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Clin Exp Rheumatol. 2015 Jul-Aug;33(4 Suppl 92):S63-9. Epub 2015 Oct 12.

Role of TGF-β3 in the regulation of immune responses.

Author information

1
Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo; and Max Planck-The University of Tokyo Center for Integrative Inflammology, The University of Tokyo, Japan.
2
Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Japan.
3
Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Japan. kfujio-tky@umin.ac.jp.

Abstract

Transforming growth factor-betas (TGF-βs) are multifunctional cytokines that have been implicated in the regulation of a broad range of biological processes, including cell proliferation, cell survival, and cell differentiation. The three isoforms identified in mammals, TGF-β1, TGF-β2, and TGF-β3, have high sequence homology, bind to the same receptors, and show similar biological functions in many in vitro studies. However, analysis of the in vivo functions of the three isoforms and mice deficient for each cytokine reveals striking differences, illustrating their unique biological importance and functional non-redundancy. Although increasing evidence suggests that TGF-β1 and, to a lesser extent, TGF-β2 play an integral role in maintaining immune tolerance, the immunological role of TGF-β3 has not been carefully evaluated. Recent studies have focused on the multifunctional role of TGF-β3. In this review, we provide an overview of the role of TGF-β3 in immunity, with comparison to TGF-β1 and -β2.

PMID:
26457612
[Indexed for MEDLINE]

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