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1.
Basic & Clinical Medicine ; (12)2006.
Artículo en Chino | WPRIM | ID: wpr-592295

RESUMEN

Objective To observe the abnormity of heart function in rats with pressure overload-induced left ventricular hypertrophy and the changes of NCX,SERCA2a expression in myocardial tissues. Methods Cardiac hypertrophy was induced by clipping the abdominal aorta in rats. The cardiac hypertrophy was evaluated by Left ventricular weight index(LVWI,left ventricular weight/body weight). NCX, SERCA2a mRNA and protein expressions in left ventricular tissues were determined by half-quantitative RT-PCR and Western blot normalized to abundance of GAPDH mRNA and protein,respectively. Results LVSP and LVEDP were obviously enhanced(P

2.
Chinese Journal of Pathophysiology ; (12)2000.
Artículo en Chino | WPRIM | ID: wpr-531237

RESUMEN

AIM:To construct the recombinant eukaryotic expression plasmid pEGFP-C1-SR-A I for the high expression in 293T cells in order to identify functions of savenger receptor-A I(SR-A).METHODS:The primer was designed according to MSR1 cDNA and pEGFP-C1-SR-A I was constructed by standard molecular cloning technique and enzyme digestion.After sequencing,the plasmid was transfected into 293T cells by lipidosome method.The expression of scavenger receptor-A I was identified by RT-PCR and Western blotting.The foam cells were evaluated by the formation of lipid granules in the cells with oil red staining.Cell adhesion was analyzed by cell adhesion assay.RESULTS:24 h after transfection,SR-A I mRNA was highly expressed and the high level of the protein was detected.The ratio of foam cell formation was doubled,the efficacy of cell adhesion was enhanced two times compared to the control group and the empty vector group.CONCLUSION:The recombinant eukaryotic expression plasmid has been constructed successfully with enhancing the function of uptake ox-LDL and adhesion in 293T cells by overexpression of SR-A I.

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