doi: 10.1126/science.7678183.
Adipose expression of tumor necrosis factor-alpha: direct role in obesity-linked insulin resistance
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- PMID: 7678183
- DOI: 10.1126/science.7678183
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Adipose expression of tumor necrosis factor-alpha: direct role in obesity-linked insulin resistance
Science.
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Abstract
Tumor necrosis factor-alpha (TNF-alpha) has been shown to have certain catabolic effects on fat cells and whole animals. An induction of TNF-alpha messenger RNA expression was observed in adipose tissue from four different rodent models of obesity and diabetes. TNF-alpha protein was also elevated locally and systemically. Neutralization of TNF-alpha in obese fa/fa rats caused a significant increase in the peripheral uptake of glucose in response to insulin. These results indicate a role for TNF-alpha in obesity and particularly in the insulin resistance and diabetes that often accompany obesity.
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