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Immunodetection of heparin-binding growth associated molecule (pleiotrophin) in striatal interneurons.
Taravini, Irene R E; Ferrario, Juan E; Delbe, Jean; Ginestet, Laure; Debeir, Thomas; Courty, José; Murer, M Gustavo; Gershanik, Oscar S; Raisman-Vozari, Rita.
Afiliação
  • Taravini IR; Laboratorio de Parkinson Experimental, Instituto de Investigaciones Farmacológicas, CONICET, Junín 956, 5 Piso, C1113AAD Buenos Aires, Argentina. taravini@ffyb.uba.ar
Brain Res ; 1066(1-2): 196-200, 2005 Dec 20.
Article em En | MEDLINE | ID: mdl-16325783
Pleiotrophin (PTN), a developmentally-regulated trophic factor, is over-expressed in the striatum of parkinsonian rats. Because striatal PTN can provide trophic support to dopamine neurons, we identified the cellular types containing PTN in the striatum of adult rats. By means of fluorescent double-immunolabeling, we found PTN to co-localize with a neuronal nuclei marker but not with glial fibrillary acidic protein. The number, distribution, and morphology of the PTN-immunolabeled cells suggested that they were interneurons. Further double-immunolabeling studies ruled out PTN localization to calretinin- and parvalbumin-containing interneurons. Instead, approximately 40% of the PTN-immunolabeled neurons contained nitric oxide synthase or somatostatin and approximately 60% expressed the vesicular acetylcholine transporter, supporting that they were GABAergic nitric oxide synthase/somatostatin-containing and cholinergic interneurons. Further work is necessary to determine if PTN from striatal interneurons can provide trophic support to dopamine neurons.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Proteínas de Transporte / Citocinas / Neostriado / Interneurônios Tipo de estudo: Prognostic_studies / Risk_factors_studies Limite: Animals / Female / Humans Idioma: En Revista: Brain Res Ano de publicação: 2005 Tipo de documento: Article País de afiliação: Argentina País de publicação: Holanda
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Proteínas de Transporte / Citocinas / Neostriado / Interneurônios Tipo de estudo: Prognostic_studies / Risk_factors_studies Limite: Animals / Female / Humans Idioma: En Revista: Brain Res Ano de publicação: 2005 Tipo de documento: Article País de afiliação: Argentina País de publicação: Holanda