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C/EBPα is involved in transcriptional regulation of mVGLUT2 gene expression / 中国病理生理杂志
Chinese Journal of Pathophysiology ; (12): 142-145, 2010.
Article in Chinese | WPRIM | ID: wpr-404168
ABSTRACT

AIM:

The main purpose of this study is to investigate the regulatory role of C/EBPα in mouse vesicular glutamate transporter 2(mVGLUT2) gene expression.

METHODS:

The promoter region of mVGLUT2 was cloned to PGL3-basic vector. Site-direction mutation was used to identify the CCAAT-enhancer-binding protein α(C/EBPα) binding site. The promoter activity was observed by luciferase system. The binding between C/EBPα protein and mVGLTU2 promoter region was determined by EMSA. The C/EBPα gene expression was inhibited by its specific siRNA.

RESULTS:

mVGLUT2 promoter activity decreased about 50% after mutation of C/EBPα binding site. EMSA showed that C/EBPα protein bound onto mVGLUT2 promoter region. Meanwhile, when C/EBPα gene expression was inhibited by its specific siRNA, mVGLUT2 promoter activity, mRNA level and protein level were decreased about 60%, 40% and 45%, respectively.

CONCLUSION:

C/EBPα is involved in the regulation of mVGLUT2 gene expression.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pathophysiology Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pathophysiology Year: 2010 Type: Article