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Polypyrimidine Tract Binding Protein Negatively Regulates the Expression of HBV Surface Antigen by Interacting with HBV Postranscriptional Regulatory Element / 中国生物工程杂志
China Biotechnology ; (12)2006.
Artículo en Chino | WPRIM | ID: wpr-686173
ABSTRACT
In order to demonstrate PTB bind to HPRE,reverse transcription,PCR-mediated detection,were used.HepG2.2.15 cell line and HBs-HPRE transient expression cells were adopted to identify PTB function in HBV life cycle.The results showed that PTB could directly bind to HPRE RNA.Functional analysis indicated that PTB could inhibit the expression of HBs antigen and this inhibition was in a dose-dependent manner in HepG2.2.15 cells.Higher expression of HBs in cells transfected pcDNA3-HBs-HPRE comparing with pcDNA3-HBs,and this high expression could also be inhibited by PTB.The data demonstrated that PTB inhibits HBs expression by interacting with HPRE.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: China Biotechnology Año: 2006 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: China Biotechnology Año: 2006 Tipo del documento: Artículo