THE EFFECT OF db-cAMP ON THE GENE EXPRESSION OF CALMODULIN AND CYTOSKELETON IN THE TRANSFORMED CELLS

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    摘要 Wehavedemonstratedthatthedistributionofmicrotubules(MT),mlcrofilaments(MF)andfibronectin(FN)werediminished,whilethegeneexpressionofthecalmodulinandc-fosenhancedinthetransformedC3H10T1/2cells.Aftertreatmentwith1mMdb-cAMPfor1hourand2hours,therewasanearlyandrepldlyreducedingeneexpressionofCalmodulinandc-fosrespectively.Afterdb-cAMPtreatmentfor4-5days,thenumberofcappingcellsofConAbindingdecreasedsignificantlyandthecellsurfacemicrovlllldecreasedaswell.Thegrowthoftreatedcellswasinhibitedmarkedly.Byusing4F1cDNAprobe,whichispreferentiallyexpressedInG1phase,wehavefoundthatthedb-cAMPtreatedcellswereaccumulatedatG1phase.Ofparticularinterestisthefactthatthedistributionofmicrotubules,mlcrofilamentsandfibronectlnwererecoveredaftertreatmentwith1mMdb-cAMPfor6days.ItissuggestedthattheInhibitionofproliferation,alteration,ofphenotypeandreco-veryofcytoskeletonistran
    机构地区 不详
    出版日期 1992年01月11日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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