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Elemental maps in human allantochorial placental vessels cells. 4. Isoproterenol and sodium nitroprusside effects

dc.contributor.authorGUIET-BARA, A.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorMICHELET-HABCHI, C.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBARBERET, P.
dc.contributor.authorDUTTA, R.K.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorMORETTO, Ph.
hal.structure.identifierPhysiologie et physiopathologie [PP]
dc.contributor.authorBARA, M.
dc.date.issued2004
dc.identifier.issn0145-5680
dc.description.abstractEnThe ionic channels (particularly, K+ and Ca2+ channels) regulate, via the membrane potential, the ionic distribution into the vascular cells. Micro-particule induced X-ray emission (PIXE) analysis was applied to determine the ionic composition of vascular smooth muscle cells (VSMCs) and of vascular endothelial cells (VECs) in the placental human allantochorial vessels in a physiological medium (Hanks' solution) modified by the addition of a NO donor (sodium nitroprusside, SNP) and of a beta-adrenergic stimulator (isoproterenol, ISO). The addition of SNP or ISO induced no modification of the Na, K, Cl, P, S, Mg and Ca concentrations in VSMCs. In VECs, a same effect was observed except an increase of the Mg concentration with ISO. Theses results indicated a retroactive control (active feedback) of the internal ionic distribution by endothelial factors, ionic channels and exchangers.
dc.language.isoen
dc.publisherCMB Association
dc.subject.enionic channels
dc.subject.enisoproterenol
dc.subject.enmicroanalysis
dc.subject.enmicro-PIXE
dc.subject.enplacental vessels
dc.subject.enscanning proton microprobe
dc.subject.ensodium nitroprusside
dc.title.enElemental maps in human allantochorial placental vessels cells. 4. Isoproterenol and sodium nitroprusside effects
dc.typeArticle de revue
dc.subject.halPhysique [physics]/Physique [physics]/Biophysique [physics.bio-ph]
bordeaux.journalCellular and Molecular Biology
bordeaux.page609-615
bordeaux.volume50
bordeaux.peerReviewedoui
hal.identifierin2p3-00410278
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00410278v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Cellular%20and%20Molecular%20Biology&rft.date=2004&rft.volume=50&rft.spage=609-615&rft.epage=609-615&rft.eissn=0145-5680&rft.issn=0145-5680&rft.au=GUIET-BARA,%20A.&MICHELET-HABCHI,%20C.&BARBERET,%20P.&DUTTA,%20R.K.&MORETTO,%20Ph.&rft.genre=article


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