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SUMO-2/3 can covalently bind to progesterone receptor B to regulate its transcriptional activity / 南方医科大学学报
Journal of Southern Medical University ; (12): 1493-1497, 2011.
Artigo em Chinês | WPRIM | ID: wpr-333879
ABSTRACT
<p><b>OBJECTIVE</b>To investigate whether progesterone receptor B (PRB) can be sumoylated by SUMO-2/3 and the effect of sumoylation on PRB transcriptional activity.</p><p><b>METHODS</b>SUMO-2/3 cDNA was amplified from MCF-7 cDNA and cloned into the eukaryotic expression vector pcDNA3-FLAG. The plasmid pXJ40-myc-PRB was cotransfected with pcDNA3FLAG-SUMO2, pcDNA3FLAG-SUMO3 or the mock control into 293T cells, and PRB sumoylation was detected by immunoprecipitation and Western blotting. The effect of PRB sumoylation on its transcriptional activity was determined using reporter luciferase assay.</p><p><b>RESULTS</b>pcDNA3FLAG-SUMO2 and pcDNA3FLAG-SUMO3 vectors were successfully constructed. SUMO-2/3 could bind covalently to PRB and increase its transcriptional dependent on the presence of progesterone.</p><p><b>CONCLUSION</b>PRB can be sumoylated by SUMO-2/3 and its function is regulated by this modification.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Plasmídeos / Transcrição Gênica / Transfecção / Ubiquitinas / Receptores de Progesterona / Linhagem Celular / Proteínas Modificadoras Pequenas Relacionadas à Ubiquitina / Ubiquitinação / Genética / Metabolismo Limite: Animais / Humanos Idioma: Chinês Revista: Journal of Southern Medical University Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Plasmídeos / Transcrição Gênica / Transfecção / Ubiquitinas / Receptores de Progesterona / Linhagem Celular / Proteínas Modificadoras Pequenas Relacionadas à Ubiquitina / Ubiquitinação / Genética / Metabolismo Limite: Animais / Humanos Idioma: Chinês Revista: Journal of Southern Medical University Ano de publicação: 2011 Tipo de documento: Artigo