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Inflammation in body fat is not only pernicious
Date:3/25/2010

n TNF-alpha. This so called cytokine influences the generation, growth and death of fat cells in the body (adipocyte turnover) and also inhibits insulin action thereby causing insulin resistance. The researchers also observed a very strong relationship between, on the one hand, the ability of adipose tissue to produce and secrete TNF-alpha and, on the other hand, the size and number of fat cells in the adipose tissue among the healthy, lean women.

"This observation was only made for TNF-alpha, since there was no relationship between other inflammatory factors and adipocytes size or number", says Professor Arner. "Furthermore, the relationship was not found in obese women who were investigated at the same time as the lean ones."

Professor Arner and his group will now continue their search for how TNF-alpha and other factors regulate the regeneration and break down of fat cells, with the goal to find new targets in adipose tissue for medical treatment of type 2 diabetes.


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Contact: Katarina Sternudd
katarina.sternudd@ki.se
46-852-483-895
Karolinska Institutet
Source:Eurekalert

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