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2015-08-28

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cc-by (c) García Álvaro, María et al., 2015
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/97644

BMP9-Induced survival effect in liver tumor cells requires p38MAPK activation

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Recurs relacionat

http://dx.doi.org/10.3390/ijms160920431

Resum

The study of bone morphogenetic proteins (BMPs) role in tumorigenic processes, and specifically in the liver, has gathered importance in the last few years. Previous studies have shown that BMP9 is overexpressed in about 40% of hepatocellular carcinoma (HCC) patients. In vitro data have also shown evidence that BMP9 has a protumorigenic action, not only by inducing epithelial to mesenchymal transition (EMT) and migration, but also by promoting proliferation and survival in liver cancer cells. However, the precise mechanisms driving these effects have not yet been established. In the present work, we deepened our studies into the intracellular mechanisms implicated in the BMP9 proliferative and pro-survival effect on liver tumor cells. In HepG2 cells, BMP9 induces both Smad and non-Smad signaling cascades, specifically PI3K/AKT and p38MAPK. However, only the p38MAPK pathway contributes to the BMP9 growth-promoting effect on these cells. Using genetic and pharmacological approaches, we demonstrate that p38MAPK activation, although dispensable for the BMP9 proliferative activity, is required for the BMP9 protective effect on serum withdrawal-induced apoptosis. These findings contribute to a better understanding of the signaling pathways involved in the BMP9 pro-tumorigenic role in liver tumor cells.

Matèries

Apoptosi, Càncer de fetge, Cèl·lules canceroses

Matèries (anglès)

Apoptosis, Liver cancer, Cancer cells

Citació

Col·leccions

Articles publicats en revistes (Ciències Fisiològiques)
Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))
Publicacions de projectes de recerca finançats per la UE

Citació

GARCÍA ÁLVARO, María, et al. BMP9-Induced survival effect in liver tumor cells requires p38MAPK activation. International Journal of Molecular Sciences. 2015. Vol. 16, num. 9, pags. 20431-20448. ISSN 1422-0067. [consulted: 6 of August of 2026]. Available at: https://hdl.handle.net/2445/97644

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