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pubmed:abstractText |
Brush border gamma-glutamyltransferase-glutaminase activity and the high-affinity glutamate transporter EAAC1 function as a unit in generating and transporting extracellular glutamate into proximal tubules as a signal that modulates intracellular glutamine/glutamate metabolism, paracellular permeability, and urinary acidification. The reported presence of a second glutamate transporter, GLT1, on the antiluminal tubule surface points to specific functional roles for each subtype in physiological and pathophysiological processes.
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