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Title: Hormonal Receptors in Skeletal Muscles of Dystrophic Mdx Mice
Authors: Feder, David
Barros Godoy, Ivan Rodrigues
Guimaraes Pereira, Maira Lazzarini
Silva, Cledson Silveira
Silvestre, Diego Nogueira
Affonso Fonseca, Fernando Luiz [UNIFESP]
Siqueira Carvalho, Alzira Alves de
Santos, Rosangela Aparecida dos
Catteli Carvalho, Maria Helena
ABC Med Sch
Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Issue Date: 1-Jan-2013
Publisher: Hindawi Publishing Corporation
Citation: Biomed Research International. New York: Hindawi Publishing Corporation, 6 p., 2013.
Abstract: Introduction. Several evidences show that muscles have an endocrine function. Glucocorticoid, estrogen, progesterone, and testosterone receptors have already been found in normal skeletal muscles, but not in dystrophic muscles. Methods. the gene expression of hormone receptors was compared between dystrophic and healthy muscles in mdx and C57BL6 mice strains. Results. the mdx mice showed a significant increase in the steroid receptors mRNA when compared to the C57BL6 mice: levels of androgen(s) receptors in the heart, estrogen receptors alpha in the EDL, and estrogen receptors beta in the quadriceps were increased. in addition, significant lowered levels of some other hormone receptors were found: corticosteroid receptors in the EDL and estrogen receptors alpha in the quadriceps. Conclusion. Dystrophic muscles bear significant differences in the expression of hormone receptors when compared to the C57BL6 mice strain. the importance of such differences is yet to be better understood.
ISSN: 2314-6133
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Appears in Collections:Em verificação - Geral

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