Title : Thioredoxin-1 mediates hypoxia-induced pulmonary artery smooth muscle cell proliferation.

Pub. Date : 2013 Sep

PMID : 23812635






4 Functional Relationships(s)
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Protein Name
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1 Both the hypoxia-inducible factor (HIF) and phosphatidylinositol 3-kinase (PI3K)/serine/threonine kinase (Akt) pathways have been implicated in hypoxia-induced PASMC proliferation. pasmc AKT serine/threonine kinase 1 Homo sapiens
2 Furthermore, hypoxia-induced increases in cellular proliferation are correlated with increased Trx1 expression, HIF activation, and Akt activation in cultured human PASMC. pasmc AKT serine/threonine kinase 1 Homo sapiens
3 While Trx1 knockdown suppressed hypoxia-induced PI3K-Akt activation in PASMC, PI3K-Akt inhibition prevented hypoxia-induced proliferation but had no effect on hypoxia-induced increases in Trx1 or HIF activation. pasmc AKT serine/threonine kinase 1 Homo sapiens
4 Thus, our findings indicate that Trx1 contributes to hypoxia-induced PASMC proliferation by modulating HIF activation and subsequent PI3K-Akt activation. pasmc AKT serine/threonine kinase 1 Homo sapiens