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Adiponectin accounts for gender differences in hepatocellular carcinoma incidence

AuthorsManieri, Elisa; Herrera-Melle, Leticia; Mora, Alfonso; Tomás-Loba, Antonia; Leiva-Vega, Luis; Fernández, Delia I.; Rodríguez, Elena; Morán, Laura; Hernández-Cosido, Lourdes; Torres, Jorge L.; Seoane, Luisa M.; Cubero, Francisco Javier; Sabio, Guadalupe
Solid tumors
Issue Date2019
PublisherRockefeller University Press
CitationJournal of Experimental Medicine 216(5): 1108-1119 (2019)
AbstractHepatocellular carcinoma (HCC) is the sixth most common cancer type and the fourth leading cause of cancer-related death. This cancer appears with higher incidence in men and during obesity; however, the specific mechanisms underlying this correlation are unknown. Adipose tissue, a key organ in metabolic syndrome, shows evident gender disparities in the production of adipokines. Levels of the important adipokine adiponectin decrease in men during puberty, as well as in the obese state. Here, we show that this decrease in adiponectin levels is responsible for the increased liver cancer risk in males. We found that testosterone activates the protein JNK in mouse and human adipocytes. JNK-mediated inhibition of adiponectin secretion increases liver cancer cell proliferation, since adiponectin protects against liver cancer development through the activation of AMP-activated protein kinase (AMPK) and p38α. This study provides insight into adipose tissue to liver crosstalk and its gender relation during cancer development, having the potential to guide strategies for new cancer therapeutics.
Description© 2019 Manieri et al.
Publisher version (URL)http://dx.doi.org/10.1084/jem.20181288
Identifiersdoi: 10.1084/jem.20181288
issn: 0022-1007
e-issn: 1540-9538
Appears in Collections:(CNB) Artículos
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