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A Pdz-Interacting Domain In Cftr Is An Apical Membrane Polarization Signal, Bryan D. Moyer, Jerod Denton, Katherine H. Karlson, Donna Reynolds, Shusheng Wang, John E. Mickle, Michael Milewski, Garry R. Cutting, William B. Guggino, Min Li, Bruce A. Stanton
A Pdz-Interacting Domain In Cftr Is An Apical Membrane Polarization Signal, Bryan D. Moyer, Jerod Denton, Katherine H. Karlson, Donna Reynolds, Shusheng Wang, John E. Mickle, Michael Milewski, Garry R. Cutting, William B. Guggino, Min Li, Bruce A. Stanton
Dartmouth Scholarship
Polarization of the cystic fibrosis transmembrane conductance regulator (CFTR), a cAMP-activated chloride channel, to the apical plasma membrane of epithelial cells is critical for vectorial transport of chloride in a variety of epithelia, including the airway, pancreas, intestine, and kidney. However, the motifs that localize CFTR to the apical membrane are unknown. We report that the last 3 amino acids in the COOH-terminus of CFTR (T-R-L) comprise a PDZ-interacting domain that is required for the polarization of CFTR to the apical plasma membrane in human airway and kidney epithelial cells. In addition, the CFTR mutant, S1455X, which lacks the 26 …
The Effects Of Free Fatty Acids On Gluconeogenesis And Glycogenolysis In Normal Subjects, X Chen, N Iqbal, G Boden
The Effects Of Free Fatty Acids On Gluconeogenesis And Glycogenolysis In Normal Subjects, X Chen, N Iqbal, G Boden
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
We have quantitatively determined gluconeogenesis (GNG) from all precursors, using a novel method employing 2H20 to address the question of whether changes in plasma free fatty acids (FFA) affect GNG in healthy, nonobese subjects. In the first study (n = 6), plasma FFA were lowered at 16 to 20 hours with nicotinic acid (NA) and were then allowed to rise at 20 to 24 hours (FFA rebound after administration of NA). FFA decreased from 387 microM at 16 hours to 43 microM at 20 hours, and then rebounded to 1,823 microM at 24 hours. GNG decreased from 58.1% at 16 …