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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Biochem+Biophys+Res+Commun 1988 ; 152 (3): 1263-8 Nephropedia Template TP
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Amiloride increases the sensitivity of particulate guanylate cyclase to atrial natriuretic factor #MMPMID2454102
Heim JM; Ivanova K; Gerzer R
Biochem Biophys Res Commun 1988[May]; 152 (3): 1263-8 PMID2454102show ga
The natriuretic agent amiloride induces a shift of the dose-response curve of particulate guanylate cyclase to atrial natriuretic factor (ANF) to the left. The ANF concentration for half-maximal activation of guanylate cyclase is shifted from 20 to 3 nM in the presence of 100 microM amiloride. This effect is observed with GTP*Mn2+, but not with GTP*Mg2+ as substrate. Amiloride derivatives, which inhibit a specific Na+-channel, also shift the dose-response curve to the left. These data suggest that some of the effects of amiloride may be mediated by an increased sensitivity of particulate guanylate cyclase to ANF.