Title : Natriuretic peptide interaction with [3H]isatin binding sites in rat brain.

Pub. Date : 2005 May 3

PMID : 15854583






5 Functional Relationships(s)
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1 In the present study, we have demonstrated that atrial natriuretic peptide (ANP) and C-type natriuretic peptide (CNP) inhibited [3H]isatin binding to rat brain sections and isolated membrane fractions. Isatin natriuretic peptide C Rattus norvegicus
2 In the present study, we have demonstrated that atrial natriuretic peptide (ANP) and C-type natriuretic peptide (CNP) inhibited [3H]isatin binding to rat brain sections and isolated membrane fractions. Isatin natriuretic peptide C Rattus norvegicus
3 Isatin itself antagonised not only natriuretic peptide receptor type A (NPR-A) (ANP-stimulation of guanylyl cyclase) but also NPR-C (ANP and CNP mediated inhibition of adenylyl cyclase) signalling. Isatin natriuretic peptide C Rattus norvegicus
4 Competitive interactions between isatin and natriuretic peptides and their receptors give a possible explanation of the known anxiogenic effect of low doses of isatin, interacting at NPR-A, and the sedative effects of higher doses, antagonising respectively the anxiolytic effect of ANP and the anxiogenic effect of CNP. Isatin natriuretic peptide C Rattus norvegicus
5 Competitive interactions between isatin and natriuretic peptides and their receptors give a possible explanation of the known anxiogenic effect of low doses of isatin, interacting at NPR-A, and the sedative effects of higher doses, antagonising respectively the anxiolytic effect of ANP and the anxiogenic effect of CNP. Isatin natriuretic peptide C Rattus norvegicus