Negative inotropic effect of chagasic IGG mediated by nitric oxide
Acta physiol. pharmacol. ther. latinoam
;
46(1): 23-32, 1996. tab, graf
Article
in English
| LILACS
| ID: lil-168103
ABSTRACT
In this paper we analyse the interaction of IgG from T. cruzi infected patients with cardiac muscarinic acetycholine receptors (mAChRs). Human chagasic IgG, activating M2 mAChR simulated the agonist actions excerting negative inotropic effect and simulation of nitric oxide synthase (NOS). Inhibitos of phospholipase C, protein Kinase C, calcium/calmodulin, NOS and guanylate cyclase activities prevented the chagasis effects upon contractility and NOS activity.
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Index:
LILACS (Americas)
Main subject:
Immunoglobulin G
/
Receptors, Muscarinic
/
Chagas Disease
/
Muscarinic Agonists
/
Myocardial Contraction
/
Nitric Oxide
Limits:
Animals
/
Humans
/
Male
Language:
English
Journal:
Acta physiol. pharmacol. ther. latinoam
Journal subject:
Pharmacology
/
Physiology
/
Therapeutics
Year:
1996
Type:
Article
/
Project document
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