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find Keyword "Suppression subtractive hybridization" 1 results
  • ANALYSIS OF DIFFERENTIAL EXPRESS GENE BETWEEN KELOID AND NORMAL SKIN BY SUPPRESSION SUBTRACTIVE HYBRIDIZATION

    Objective To compare gene express difference ofkeloid and normal skin tissues by using the suppression subtractive hybridization (SSH) so asto find the differential express gene in keloid. Methods mRNA extracted fromkeloid and normal skin tissues was used as the template to synthesis cDNA of keoid and normal skin. The cDNA of keloid served as a tester, the cDNA of normal skin as a driver. cDNA was digested with RsaⅠ. Adaptor-ligated tester cDNA was prepared. Then first hybridization, second hybridization and PCR amplificationwere done. Differentially expressed cDNA was selectively amplified during thesereactions. After SSH, the PCR mixture was ligated with T-vector. The positive clones were selected and the insert gene fragments were analyzed. Southern hybridization identified the keloid differential express genes. The positive clones ofSouthern hybridization were selected, and these sequences were analyzed. The results were compared with that of GeneBank. Results Thirteen differential genes were found in keloid, of which 11 gene clones have been known their function, and 2 clones have not known their function. 〖WTHZ〗Conclusion Keloid differentially expressed gene was screened successfully by SSH.

    Release date:2016-09-01 09:26 Export PDF Favorites Scan
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