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Activity of the AE2/SLC4A2 anion exchanger is modulated acutely by pH, influencing the transporter's role in regulation of intracellular pH (pH(i)) and epithelial solute transport. In Xenopus oocytes, heterologous AE2-mediated Cl(-)/Cl(-) and Cl(-)/HCO(3)(-) exchange are inhibited by acid pH(i) or extracellular pH (pH(o)). We have investigated the(More)
The chimeric bcr-abl tyrosine kinase is of crucial pathogenic importance in chronic myeloid leukemia (CML). As shown, bcr-abl activates the ras pathway by phosphorylation of adapter proteins such as Grb-2 and Crkl. Functional inhibition of p21ras might partially inhibit the mitogenic signaling by bcr-abl. By depletion of cellular mevalonate pools, p21ras(More)
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