4、M期,细胞无法分裂,此结果与实验事实相一致。关键字:CyclinBAPC/CCdh1Cdc20II万方数据ABSTRACTThe discoveryofproteindegradation through the ubiquitin proteasome pathway in recentyears,opened a new chapter onthe mechanismresearchofCyclin degradationby APC/C.Therefore,the researchofCyclin degradationmechanismby the ubi
5、quitin proteasome pathwayisofgreatsignificance.According tothe literature, APC/Cdh1 playsa majorrole inG1 phase,witha highly active in order to guaranteesthe Cyclindon'taccumulate too earlyand keepscellsin G1 phase.APC/Cdc20 playsa majorrole inMphase.InMphase,APC/Cdc20 initiatesthe me
6、taphaseanaphase transition,promotesseparationofsister chromatidsand mitotic exit.Inthispaper,based onexperimentalphenomena, Firstofall,weused originalmodel ofCycBCdh1 Cdc20,respectivelytostudythe the influence ofCdh1 synthesisratein the G1 phase and the cellcycle time. The studyfound
7、thatthe increase ordecrease ofCdh1 synthesisrate will bring G1 phase delayorshorten,buthasnoeffectonMphase. secondly,weused the hybrid approachthatcombined the bestfeaturesofcontinuousdifferentialequationsand discrete booleannetworks.The concentrationofCyclin are tracked bypiecewise l