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Articles by J.W. Park
Total Records ( 1 ) for J.W. Park
  I. Lee , J. Yu , Y. Yoon , H.J. Gim , S.M. Lee , J.W. Park , R. Jeon and B.H. Park
  The nuclear receptor peroxisome proliferator-activated receptor γ (PPARγ) plays an important role in adipocyte differentiation and is the target for anti-diabetic drugs known as thiazolidinediones. Here, we synthesized and characterized a new PPARγ agonist, SPA0432. COS-7 cells treated with SPA0432 showed significantly increased PPARγ transcriptional activity compared to that of vehicle-treated cells. However, its efficacy was less than that of rosiglitazone. Using a standard differentiation protocol, SPA0432 effectively enhanced differentiation of 3T3-L1 preadipocytes as evidenced by increased lipid droplet formation and triglyceride accumulation. Real-time RT-PCR analysis indicated that SPA0432 significantly increased the expressions of adipogenesis-related genes, CAAT/enhancer binding protein α, PPARγ, fatty acid synthase, aP2 and lipoprotein lipase and significantly decreased the expression of Pref-1, a preadipocyte marker. Moreover, SPA0432 increased insulin-stimulated glucose uptake in differentiated 3T3-L1 adipocytes. These results suggest that SAP0432 may exert beneficial effects against insulin resistance through its ability to promote adipocyte differentiation and insulin-stimulated glucose uptake.
 
 
 
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