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Identification and functional characterization of protein bound to NCoR1 complex and associated with molecular control of mitochondrial biogenesis process

Abstract

Skeletal muscle uses a well-regulated transcriptional programs to adapt to environmental inputs through storage or consumption of energy. PPAR² plays a critical role in this process being regulated by its interaction with positive and negative co-regulators. Under NCoR1 overexpression, a well-known PPAR inhibitor, we observed a marked repression of mitochondrial biogenesis in C2C12 cells during the differentiation process. This effect was demonstrated to reduce mitochondrial respiration, mitochondrial content, oxidative proteins, tricarboxylic acid cycle intermediates and to increase glycolysis activity. In addition, this phenotype was consistent with reduced transcription of a wide spectrum of genes associated with mitochondrial metabolism as determined by RNAseq technique. However, it is unclear who are the players, which interact with NCoR1 during its repression activity over PPAR². More interesting, is the question if NCor1 could interacting with other molecular target regulating mitochondrial biogenesis by a mechanism independent of PPAR. Therefore, considering the NCoR1 effect over mitochondrial metabolism we raised the hypothesis that NCoR1 could works as very promising tool on discovery new molecular target(s) to control of mitochondrial biogenesis process in skeletal muscle cells. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ARAUJO, HYGOR N.; LIMA, I, TANES; GUIMARAES, DIMITRIUS SANTIAGO P. S. F.; OLIVEIRA, ANDRE G.; FAVERO-SANTOS, BIANCA C.; BRANCO, RENATO C. S.; DA SILVA ARAUJO, RAFAELA MARIANO; DANTAS, ALVARO F. B.; CASTRO, ALEX; CHACON-MIKAHIL, MARA PATRICIA T.; MINATEL, ELAINE; GERALDO, V, MURILO; CARNEIRO, EVERARDO MAGALHAES; RODRIGUES, ALICE C.; NARKAR, VIHANG A.; SILVEIRA, LEONARDO R. Regulation of Lin28a-miRNA let-7b-5p pathway in skeletal muscle cells by peroxisome proliferator-activated receptor delta. AMERICAN JOURNAL OF PHYSIOLOGY-CELL PHYSIOLOGY, v. 319, n. 3, p. C541-C551, SEP 2020. Web of Science Citations: 0.
LIMA, TANES I.; GUIMARAES, DIMITRIUS SANTIAGO P. S. F.; OLIVEIRA, ANDRE G.; ARAUJO, HYGOR; SPONTON, CARLOS H. G.; SOUZA-PINTO, NADJA C.; SAITO, ANGELA; FIGUEIRA, ANA CAROLINA M.; PALAMETA, SOLEDAD; BAJGELMAN, MARCIO CHAIM; CALIXTO, ANDREA; PINTO, SILAS; MORI, MARCELO A.; OROFINO, JOEY; PERISSI, VALENTINA; MOTTIS, ADRIENNE; AUWERX, JOHAN; SILVEIRA, LEONARDO REIS. Opposing action of NCoR1 and PGC-1 alpha in mitochondrial redox homeostasis. Free Radical Biology and Medicine, v. 143, p. 203-208, NOV 1 2019. Web of Science Citations: 0.
LIMA, I, TANES; SILVEIRA, LEONARDO R. A microplate assay for measuring cell death in C2C12 cells. BIOCHEMISTRY AND CELL BIOLOGY, v. 96, n. 5, p. 702-706, OCT 2018. Web of Science Citations: 3.
LIMA, TANES I.; VALENTIM, RAFAEL R.; ARAUJO, HYGOR N.; OLIVEIRA, ANDRE G.; FAVERO, BIANCA C.; MENEZES, EVELINE S.; ARAUJO, RAFAELA; SILVEIRA, LEONARDO R. Role of NCoR1 in mitochondrial function and energy metabolism. Cell Biology International, v. 42, n. 6, SI, p. 734-741, JUN 2018. Web of Science Citations: 6.

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