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Hormonal induction triggers a cascade leading to the expression of CCAAT/enhancer-binding protein(C/EBP)alpha and peroxisome proliferator-activated receptor (PPAR) gamma, C/EBPalpha, and PPARgamma turns on series of adipocyte genes that give rise to the adipocyte phenotype. Previous findings indicate that C/EBPbeta, a transcriptional activator of the(More)
Adiponectin is an adipokine that predominantly synthesized and secreted from adipocytes mainly in the white adipose tissue. Here, we report that we have successfully expressed human gAdiponectin (the globular domain of adiponectin) in the methylotrophic yeast Pichia pastoris after codon optimization and established the purification procedure. The human(More)
1. The patch-clamp technique was used to characterize chloride channels from the apical membranes of bovine tracheal epithelial cells. Application of GTP gamma S or NaF to excised patches revealed the existence of a novel type of Cl- channel regulated by G-proteins in a membrane-delimited manner. 2. The channel had a linear current-voltage relationship,(More)
PAI-1 is expressed and secreted by adipose tissue which may mediate the pathogenesis of obesity-associated cardiovascular complications. Evidence is presented in this report that PAI-1 is not expressed by preadipocyte, but significantly induced during 3T3-L1 adipocyte differentiation and the PAI-1 expression correlates with the induction of peroxisome(More)
The effects of pH changes were examined on the properties of a large, voltage dependent, epithelial Cl- channel from bovine tracheal cells. Alkaline solutions in the range pH = 7.4-9.2 had no detectable effects on channel conductance or gating. However, acid solutions significantly reduced channel open probability, raising the voltage required to open the(More)
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