Key result
Activation of COX-2 in macula densa and adjacent thick ascending limb cells by low NaCl transport is a critical component of macula densa control of renin secretion and synthesis.
This review highlights the critical role of macula densa COX-2 in mediating renin secretion and synthesis in response to low NaCl transport, explaining the mechanism behind hyperreninemic states like Bartter syndrome and loop diuretic use.
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Novel COX-2–macula densa link may alter volume management; leaves open prospective trials before clinical adoption.
Jürgen Schnermann (2001) conducted a review in Renin secretion regulation. Cyclooxygenase-2 (COX-2) was evaluated. Activation of COX-2 in macula densa and adjacent thick ascending limb cells by low NaCl transport is a critical component of macula densa control of renin secretion and synthesis.
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