RNA干扰

2021-07-20Sh RNA干扰后,mRNA水平干扰不明显,蛋白水平明显,如何解释?相关文献?

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找公司设计了重组慢病毒载体,共设计3条干扰序列,转染靶细胞测干扰效率。发现mRNA表达水平下降不明显,而蛋白水平明显下降。请问该如何解释,有相关文献吗?可以用抑制了靶蛋白翻译来解释吗?


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How is the level of Cbl-b mRNA determined?

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实时定量荧光PCR

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ItwouldbebetterthatasingleWesternblotbeusedandshowboth115kDatargetproteinAND37kDaloADIngcontrolinordertounderstandtheshRNAexperimentresultstruly.TheshRNAlentivirusinfectionmaybetoxictoproteinsynthesisininfectedcells,specificallybyshRNA2and3,whiletargetmRNAknockdownbyshRNA1showseffective,butRNAtranscriptionisnotinhibitedaround72hourspostinfectionTheinhibitionofproteinsynthesisbylentiviralvectorinfectioncouldberecoveredinshRNA1andinshRNA2,butnotinshRNA3ninetysixhourspostinfection,atthistimepointitrevealsstrongtargetmRNAknockdownbyshRNA1,moderatedinhibitionbyshRNA2,lesseffectiveinhibitionbyshRNA3.AsuggestionthatacombinedlentivirusinfectionwiththoseproducingshRNA1,andshRNA3andshRNA2bedonetofindbestshRNAcombinationshowingeffectivetargetmRNAknockdownwhileposingnoharmtocellularproteinsynthesis.