Decreased Expression Of apM1 in Omental and Subcutaneous Adipose Tissue of HumansWith Type 2 Diabetes

We have screened a subtracted cDNA library in order to identify differentially expressed genes in omental adipose tissue of human patients with Type 2 diabetes. One clone (#1738) showed a marked reduction in omental adipose tissue from patients with Type 2 diabetes. Sequencing and BLAST analysis rev...

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Veröffentlicht in:Journal of diabetes research 2000-01, Vol.1 (2), p.81-88
Hauptverfasser: Statnick, Michael A., Beavers, Lisa S., Conner, Laura J., Corominola, Helena, Johnson, Dwayne, Hammond, Craig D., Rafaeloff-Phail, Ronit, Seng, Thomas, Suter, Todd M., Sluka, James P., Ravussin, Eric, Gadski, Robert A., Caro, Jose F.
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container_end_page 88
container_issue 2
container_start_page 81
container_title Journal of diabetes research
container_volume 1
creator Statnick, Michael A.
Beavers, Lisa S.
Conner, Laura J.
Corominola, Helena
Johnson, Dwayne
Hammond, Craig D.
Rafaeloff-Phail, Ronit
Seng, Thomas
Suter, Todd M.
Sluka, James P.
Ravussin, Eric
Gadski, Robert A.
Caro, Jose F.
description We have screened a subtracted cDNA library in order to identify differentially expressed genes in omental adipose tissue of human patients with Type 2 diabetes. One clone (#1738) showed a marked reduction in omental adipose tissue from patients with Type 2 diabetes. Sequencing and BLAST analysis revealed clone #1738 was the adipocyte‐specific secreted protein gene apM1 (synonyms ACRP30, AdipoQ, GBP28). Consistent with the murine orthologue, apM1 mRNA was expressed in cultured human adipocytes and not in preadipocytes. Using RT‐PCR we confirmed that apM1 mRNA levels were significantly reduced in omental adipose tissue of obese patients with Type 2 diabetes compared with lean and obese normoglycemic subjects. Although less pronounced, apM1 mRNA levels were reduced in subcutaneous adipose tissue of Type 2 diabetic patients. Whereas the biological function of apM1 is presently unknown, the tissue specific expression, structural similarities to TNFα and the dysregulated expression observed in obese Type 2 diabetic patients suggest that this factor may play a role in the pathogenesis of insulin resistance and Type 2 diabetes.
doi_str_mv 10.1155/EDR.2000.81
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title Decreased Expression Of apM1 in Omental and Subcutaneous Adipose Tissue of HumansWith Type 2 Diabetes
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