Joshi, Rakhi Kumari; Lee, Sang-Ah
Asian Pacific journal of cancer prevention : APJCP
2014NA ; 15 ( 1 ) :397-405.
PMID : 24528064
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Joshi, Rakhi Kumari -
Lee, Sang-Ah -
ABSTRACT
Obesity has been considered as an important risk factor for the development of colorectal cancer (CRC), but the association has not been fully elucidated. Obesity is linked significantly to adipose tissue dysfunction and to alteration of adipokines in blood; in particular, obesity-induced inflammation is thought to be an important link between obesity and colorectal cancer. Based on epidemiological studies, we undertook a systematic review to understand the association of circulating levels of selected adipokines, including adiponectin, leptin, resistin, IL-6 and TNF-α, with the level of CRC risk. Most prospective studies suggested protective effects of adiponectin, but these were attenuated by body mass index (BMI) and waist circumference (WC) data in our meta-analysis. On the other hand, meta-analyses for leptin and CRC did not demonstrate any association, similar to the results of systematic review. Although it proved difficult to determine whether other selected adipokines (resistin, IL-6 and TNF-α) were related to CRC risk due to small number of reports, the present systematic review suggested a positive association with elevated resistin levels but null associations with IL-6 and TNF-α.
: Adipokines - colorectal cancer - obese-related adipokines - obesity - risk factors
MESH
Adiponectin/*blood, Body Mass Index, Colorectal Neoplasms/*blood/epidemiology, Humans, Inflammation/blood, Interleukin-6/blood, Leptin/blood, Obesity/*blood, Resistin/blood, Risk Factors, Tumor Necrosis Factor-alpha/blood, Waist Circumference
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