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Obesity and pancreatic cancer: An update of epidemiological evidence and molecular mechanisms.

Bin Zhou,Dong Wu,Han Liu,Lu-tao Du,Yun-shan Wang,Jianwei Xu,F. Qiu,San‐yuan Hu,Han-xiang Zhan

Published 2019 in Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]

ABSTRACT

Despite advances in therapy and achievements in translational research, pancreatic cancer (PC) remains an invariably fatal malignancy. Risk factors that affect the incidence of PC include diabetes, smoking, obesity, chronic pancreatitis, and diet. The growing worldwide obesity epidemic is associated with an increased risk of the most common cancers, including PC. Chronic inflammation, hormonal effects, circulating adipokines, and adipocyte-mediated inflammatory and immunosuppressive microenvironment are involved in the association of obesity with PC. Herein, we systematically review the epidemiology of PC and the biological mechanisms that may account for this association. Included in this review is a discussion of adipokine-mediated inflammation, lipid metabolism, and the interactions of adipocytes with cancer cells. We consider the influence of bariatric surgery on the risk of PC risk as well as potential molecular targets of therapy. Our review leads us to conclude that targeting adipose tissue to achieve weight loss may represent a new therapeutic strategy for preventing and treating PC.

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