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Med Hypotheses. 2013 Jun;80(6):776-7. doi: 10.1016/j.mehy.2013.03.009. Epub 2013 Apr 6.

IL-15 that a regulator of TNF-α in patients with diabetes mellitus type 2.

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Higher School of Medicine of National Polytechnic Institute, Mexico.


Diabetes mellitus type 2 (DM2), obesity, and the metabolic syndrome are considered that a low-grade chronic inflammatory condition. Although synthesis of different pro- and anti-inflammatory cytokines has been implicated in this process, this low-grade inflammatory condition is characterized especially by an increase in Tumor Necrosis Factor alpha (TNF-α), a cytokine that has been associated to the development of insulin resistance and muscle wasting in the diabetic patients. In consequence, mechanisms implicated in attenuating the deleterious effects of TNF-α are activated. One of these mechanisms may involve interleukin 15 (IL-15), which has proven effect on intermediate metabolisms, regulating blood glucose and lipid levels, and diminishing proteolysis in striated muscle. This suggests that the induction of endogenous IL-15 production by a simple event as physical activity may aid in decreasing or even inhibiting the negative effects of TNF-α in patient with DM2 or obesity, in which a low grade chronic inflammatory condition is present.

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