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原標(biāo)題：大团圆结局公交车王慧慧

學(xué)習(xí)快評丨qibao666888　　“想??(xiang)象??(xiang)一??(yi)下??(xia)?，如??(ru)果??(guo)自??(zi)動??(dong)駕??(jia)駛??(shi)中?(zhong)的??(de)汽??(qi)車??(che)控??(kong)速??(su)系??(xi)統(tǒng)??(tong)失?(shi)靈??(ling)?，加??(jia)速??(su)時??(shi)會??(hui)發(fā)??(fa)生?(sheng)什??(shen)么??(me)？?”丁??(ding)勝??(sheng)用??(yong)比??(bi)喻??(yu)解??(jie)釋??(shi)團(tuán)??(tuan)隊??(dui)的??(de)發(fā)??(fa)現(xiàn)??(xian)?，“MEF2C基??(ji)因??(yin)就??(jiu)是??(shi)小??(xiao)膠??(jiao)質(zhì)??(zhi)細(xì)??(xi)胞??(bao)行?(xing)駛?(shi)速??(su)度??(du)控?(kong)制??(zhi)的??(de)核??(he)心??(xin)元??(yuan)件??(jian)之??(zhi)一??(yi)?，它??(ta)通?(tong)過??(guo)一??(yi)套?(tao)精??(jing)密??(mi)的?(de)蛋??(dan)白?(bai)質(zhì)??(zhi)控??(kong)制??(zhi)系??(xi)統(tǒng)??(tong)維??(wei)持??(chi)免??(mian)疫??(yi)平??(ping)衡??(heng)??。??”　　研??(yan)究??(jiu)團(tuán)??(tuan)隊??(dui)通??(tong)過?(guo)基??(ji)因??(yin)編?(bian)輯??(ji)技??(ji)術(shù)??(shu)??，在??(zai)實(shí)??(shi)驗(yàn)??(yan)室??(shi)培??(pei)養(yǎng)??(yang)的??(de)人??(ren)源??(yuan)小??(xiao)膠??(jiao)質(zhì)??(zhi)細(xì)??(xi)胞??(bao)中??(zhong)敲??(qiao)除??(chu)MEF2C基??(ji)因??(yin)??。??失??(shi)去??(qu)這?(zhe)個??(ge)“車??(che)速??(su)控??(kong)制??(zhi)系??(xi)統(tǒng)??(tong)核??(he)心?(xin)元??(yuan)件??(jian)”的??(de)細(xì)??(xi)胞??(bao)隨??(sui)之??(zhi)陷??(xian)入??(ru)混??(hun)亂?(luan)??，負(fù)??(fu)責(zé)??(ze)抑??(yi)制??(zhi)過??(guo)度??(du)反??(fan)應(yīng)??(ying)的?(de)p21蛋??(dan)白??(bai)產(chǎn)??(chan)量??(liang)銳??(rui)減??(jian)??，而?(er)本??(ben)該?(gai)被??(bei)約??(yue)束??(shu)的??(de)CDK2激??(ji)酶??(mei)卻??(que)異??(yi)常??(chang)活??(huo)躍??(yue)??，這??(zhe)就??(jiu)好??(hao)比??(bi)控??(kong)速??(su)系??(xi)統(tǒng)??(tong)的??(de)關(guān)??(guan)鍵??(jian)制??(zhi)動??(dong)環(huán)??(huan)節(jié)??(jie)失?(shi)效??(xiao)??。更??(geng)糟??(zao)的??(de)是??(shi)??，CDK2的??(de)過??(guo)度?(du)活??(huo)躍??(yue)直??(zhi)接??(jie)摧??(cui)毀??(hui)了??(le)RB蛋??(dan)白??(bai)??。這?(zhe)個??(ge)如??(ru)同??(tong)汽??(qi)車??(che)“安??(an)全??(quan)鎖??(suo)”的??(de)關(guān)??(guan)鍵??(jian)分??(fen)子??(zi)一??(yi)旦??(dan)缺??(que)失??(shi)??，就??(jiu)會??(hui)在??(zai)小??(xiao)膠??(jiao)質(zhì)??(zhi)細(xì)??(xi)胞??(bao)被??(bei)激??(ji)活??(huo)時?(shi)徹??(che)底??(di)釋??(shi)放??(fang)NF-κB信??(xin)號??(hao)通??(tong)路?(lu)??，繼??(ji)而??(er)引??(yin)發(fā)??(fa)TNF-α、IL-6等??(deng)炎??(yan)癥??(zheng)因??(yin)子??(zi)的?(de)大??(da)規(guī)??(gui)模?(mo)爆??(bao)發(fā)??(fa)??，如??(ru)同??(tong)自??(zi)動??(dong)駕??(jia)駛??(shi)汽??(qi)車??(che)在??(zai)速??(su)控??(kong)系??(xi)統(tǒng)??(tong)失??(shi)靈??(ling)時??(shi)進(jìn)??(jin)行?(xing)加??(jia)速??(su)??，會??(hui)橫??(heng)沖??(chong)直??(zhi)撞??(zhuang)造??(zao)成??(cheng)嚴(yán)??(yan)重??(zhong)破??(po)壞?(huai)??。。