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National Journal of Andrology ; (12): 819-823, 2004.
Article in Chinese | WPRIM | ID: wpr-267806

ABSTRACT

<p><b>OBJECTIVE</b>To study the membrane mobility of aquaporin 7 (AQP7) by cloning stably transfected CHO cells with expression of pEGFP-C1-AQP7, in which AQP7 cDNA was fused downstream and in frame to pEGFP-C1 gene.</p><p><b>METHODS</b>The full sequence of AQP7 was amplified by RT-PCR and then recombined in the downstream of the green fluorescent protein gene in the pEGFP-C1 vector. The recombinant vector pEGFP-C1-AQP7 was stably transfected into CHO cells. With fluorescent microscopy, immunocytochemical stain and Western blot, pEGFP-C1-AQP7 showed a predominant intracellular vesicular localization.</p><p><b>RESULTS</b>(1) The sequence of AQP7 cDNA of the Wistar rat was logged into the GenBank (access number: AY157737). (2) Identification demonstrated that pEGFP-C1-AQP7 fusion protein stably expressed in CHO cells. (3) With fluorescence microscopy, pEGFP-C1-AQP7 showed a predominant intracellular vesicular localization.</p><p><b>CONCLUSION</b>The CHO cell line with stable pEGFP-C1-AQP7 expression was set up successfully for advanced research.</p>


Subject(s)
Animals , Cricetinae , Male , Rats , Aquaporins , Genetics , CHO Cells , Cricetulus , DNA, Complementary , Genetics , Green Fluorescent Proteins , Genetics , Molecular Sequence Data , Rats, Wistar , Recombinant Fusion Proteins , Reverse Transcriptase Polymerase Chain Reaction , Testis , Metabolism , Transfection
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