Title : [The changes in natriuretic peptide receptors (NP-R) in the lung and kidney in DOCA-salt hypertensive rats].

Pub. Date : 1995 May 20

PMID : 7796923






5 Functional Relationships(s)
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1 Elevated plasma ANP level, decreased atrial ANP concentration and increased ventricular ANP and BNP contents were observed in the DOCA-salt group when compared with the control group (p < 0.01). Desoxycorticosterone Acetate natriuretic peptide A Rattus norvegicus
2 The ratio of BNP/ANP in the ventricle of the DOCA-salt rats was 50% of the control rats. Desoxycorticosterone Acetate natriuretic peptide A Rattus norvegicus
3 The elevated plasma ANP secreted from the heart seems to reflect a defensive compensatory mechanism to counteract hypertension, and that ANP is the major natriuretic peptide secreted from the cardiac ventricle in DOCA-salt hypertensive rats. Desoxycorticosterone Acetate natriuretic peptide A Rattus norvegicus
4 These results indicate that the down-regulation of NP-R, especially C-receptor, was induced in the lung and renal cortex when plasma ANP levels were elevated in DOCA-salt hypertensive rats. Desoxycorticosterone Acetate natriuretic peptide A Rattus norvegicus
5 In conclusion, our results suggest that down-regulation of C-receptor in the lung and kidney contributes to maintaining higher plasma ANP levels and maybe responsible for the counter-regulatory role of endogenous ANP in DOCA-salt rats. Desoxycorticosterone Acetate natriuretic peptide A Rattus norvegicus