RhoA knockout fibroblasts lose tumor-inhibitory capacity in vitro and promote tumor growth in vivo.

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Alkasalias T, Alexeyenko A, Hennig K, Danielsson F, Lebbink RJ, Fielden M, Turunen SP, Lehti K, Kashuba V, Madapura HS, Bozoky B, Lundberg E, Balland M, Guvén H, Klein G, Gad AK, Pavlova T

Proc. Natl. Acad. Sci. U.S.A. 114 (8) E1413-E1421 [2017-02-21; online 2017-02-07]

Fibroblasts are a main player in the tumor-inhibitory microenvironment. Upon tumor initiation and progression, fibroblasts can lose their tumor-inhibitory capacity and promote tumor growth. The molecular mechanisms that underlie this switch have not been defined completely. Previously, we identified four proteins overexpressed in cancer-associated fibroblasts and linked to Rho GTPase signaling. Here, we show that knocking out the Ras homolog family member A (

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PubMed 28174275

DOI 10.1073/pnas.1621161114

Crossref 10.1073/pnas.1621161114

pii: 1621161114
pmc: PMC5338371