Artículo

Coirini, H.; Flores, D.; Cristina Vega, M.; Claudia Gonzalez Deniselle, M.; De Nicola, A.F. "Binding of the anti-inflammatory steroid deflazacort to glucocorticoid receptors in brain and peripheral tissues. In vivo and in vitro studies" (1994) Journal of Steroid Biochemistry and Molecular Biology. 49(1):43-49
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Abstract:

Deflazacort (DFC) is a heterocyclic glucocorticoid with anti-inflammatory activity but with decreased side effects. In this study, we have evaluated the capacity of DFC and other glucocorticoids to reach the central nervous system (CNS) in vivo by measuring changes of [3H]dexamethasone (DEX) binding to glucocorticoid receptors (GR) in vitro. GR occupation was effected by DEX in the cerebral cortex, hippocampus, pituitary, liver and thymus, with DFC showing a similar profile except for the cerebral cortex. In contrast, corticosterone weakly occupied GR in the thymus, pituitary and hippopocampus and methyl-prednisolone was active only in peripheral tissues. Furthermore, IC50 for DEX in vitro amounted to 15-17 nM in the hipopocampus and liver, wheras IC50 the active metabolite 21-deacetyl-DFC (21-OH-DFC) was 4 times higher. 21-OH-DFC bound to type II and was absent from type I GR. When tested in equipotent doses based on IC50 analysis, DFC and DEX similarly induced in vivo ornithine decarboxylase activity in hippopocamus and liver, although body weight loss after chronic treatment was significantly less for DFC. The results show that DFC distributes on the CNS similarly to DEX, induces ornithine decarboxylase activity but presents less intensive catabolic effects, making it suitable for use as an anti-inflammatory steroid during chronic therapeutic regimes. © 1994.

Registro:

Documento: Artículo
Título:Binding of the anti-inflammatory steroid deflazacort to glucocorticoid receptors in brain and peripheral tissues. In vivo and in vitro studies
Autor:Coirini, H.; Flores, D.; Cristina Vega, M.; Claudia Gonzalez Deniselle, M.; De Nicola, A.F.
Filiación:Laboratorio de Bioquimica Neuroendocrina, Instituto de Biologia y Medicina Experimental, Obligado 2490, Argentina
Lepetit Division Farmacéutica de DOW Quimica, Buenos Aires, 1428, Argentina
Palabras clave:antiinflammatory agent; corticosterone; deflazacort; dexamethasone; glucocorticoid receptor; methylprednisolone; ornithine decarboxylase; animal experiment; animal tissue; article; brain; drug receptor binding; hypophysis; intravenous drug administration; liver; nonhuman; rat; thymus; Animal; Anti-Inflammatory Agents, Steroidal; Binding, Competitive; Body Weight; Brain; Cerebral Cortex; Corticosterone; Dexamethasone; Hippocampus; In Vitro; Liver; Male; Methylprednisolone; Organ Weight; Ornithine Decarboxylase; Pituitary Gland, Anterior; Prednisone; Pregnenediones; Rats; Rats, Sprague-Dawley; Receptors, Glucocorticoid; Thymus Gland
Año:1994
Volumen:49
Número:1
Página de inicio:43
Página de fin:49
DOI: http://dx.doi.org/10.1016/0960-0760(94)90299-2
Título revista:Journal of Steroid Biochemistry and Molecular Biology
Título revista abreviado:J. Steroid Biochem. Mol. Biol.
ISSN:09600760
CODEN:JSBBE
CAS:Anti-Inflammatory Agents, Steroidal; Corticosterone, 50-22-6; deflazacort, 14484-47-0; Dexamethasone, 50-02-2; Methylprednisolone, 83-43-2; Ornithine Decarboxylase, EC 4.1.1.17; Prednisone, 53-03-2; Pregnenediones; Receptors, Glucocorticoid
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09600760_v49_n1_p43_Coirini

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Citas:

---------- APA ----------
Coirini, H., Flores, D., Cristina Vega, M., Claudia Gonzalez Deniselle, M. & De Nicola, A.F. (1994) . Binding of the anti-inflammatory steroid deflazacort to glucocorticoid receptors in brain and peripheral tissues. In vivo and in vitro studies. Journal of Steroid Biochemistry and Molecular Biology, 49(1), 43-49.
http://dx.doi.org/10.1016/0960-0760(94)90299-2
---------- CHICAGO ----------
Coirini, H., Flores, D., Cristina Vega, M., Claudia Gonzalez Deniselle, M., De Nicola, A.F. "Binding of the anti-inflammatory steroid deflazacort to glucocorticoid receptors in brain and peripheral tissues. In vivo and in vitro studies" . Journal of Steroid Biochemistry and Molecular Biology 49, no. 1 (1994) : 43-49.
http://dx.doi.org/10.1016/0960-0760(94)90299-2
---------- MLA ----------
Coirini, H., Flores, D., Cristina Vega, M., Claudia Gonzalez Deniselle, M., De Nicola, A.F. "Binding of the anti-inflammatory steroid deflazacort to glucocorticoid receptors in brain and peripheral tissues. In vivo and in vitro studies" . Journal of Steroid Biochemistry and Molecular Biology, vol. 49, no. 1, 1994, pp. 43-49.
http://dx.doi.org/10.1016/0960-0760(94)90299-2
---------- VANCOUVER ----------
Coirini, H., Flores, D., Cristina Vega, M., Claudia Gonzalez Deniselle, M., De Nicola, A.F. Binding of the anti-inflammatory steroid deflazacort to glucocorticoid receptors in brain and peripheral tissues. In vivo and in vitro studies. J. Steroid Biochem. Mol. Biol. 1994;49(1):43-49.
http://dx.doi.org/10.1016/0960-0760(94)90299-2