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Título: | Evidence of tissue-specific, post-transcriptional regulation of NRF-2 expression |
Autor: | Vallejo, Carmen G. CSIC ; Escrivá, Héctor CSIC ORCID; Rodríguez-Peña, Ángeles CSIC ORCID | Fecha de publicación: | 2000 | Editor: | Elsevier | Citación: | Biochimie 82(12): 1129-1133 (2000) | Resumen: | Mitochondrial respiratory function requires the expression of genes both from the mitochondrial and nuclear genomes. Nuclear respiratory factor 2 (NRF-2) is a transcription factor required for the expression of several nuclear-encoded mitochondrial proteins, including the specific mitochondrial transcription factor Tfam. This makes NRF-2 a likely candidate to coordinate expression of mitochondrial components. NRF-2 is a multisubunit complex of which the α subunit binds DNA and the β subunit enhances this binding, respectively. We have analysed in vivo the expression patterns of NRF-2 subunits both at the mRNA and protein level, in three rat tissues, liver, testis, and brain. In contrast with Tfam or the 'housekeeping' β-actin expressions in which a parallel gradient was observed, no correlation was found between NRF-2 mRNAs and proteins levels, thus suggesting post-transcriptional regulation. © 2000 Société française de biochimie et biologie moléculaire /Éditions scientifiques et médicales Elsevier SAS. | URI: | http://hdl.handle.net/10261/79695 | DOI: | 10.1016/S0300-9084(00)01190-1 | Identificadores: | doi: 10.1016/S0300-9084(00)01190-1 issn: 0300-9084 e-issn: 1638-6183 |
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