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Tubastatin ameliorates pulmonary fibrosis by targeting the TGFβ-PI3K-Akt pathway.

Shigeki SaitoYan ZhuangBin ShanSvitlana DanchukFayong LuoMartina KorfeiAndreas GuentherJoseph A Lasky
Published in: PloS one (2017)
HDAC6 expression is altered during lung fibrogenesis. Tubastatin represses TGF-β1-induced collagen expression, by diminishing Akt phosphorylation and regulating downstream targets such as HIF-1α-VEGF axis and autophagy. Tubastatin-treated WT mice are protected against bleomycin-induced fibrosis, but HDAC6 KO mice are not. Our data suggest that Tubastatin ameliorates pulmonary fibrosis, by targeting the TGFβ-PI3K-Akt pathway, likely via an HDAC6-independent mechanism.
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