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原標題：《交换:完美的邻居》在线观看

　　T細??(xi)胞??(bao)的??(de)角??(jiao)色??(se)則??(ze)是??(shi)指??(zhi)揮??(hui)、“殺??(sha)敵??(di)”與??(yu)“維?(wei)穩(wěn)?(wen)”??。??比??(bi)如??(ru)輔??(fu)助??(zhu)T細??(xi)胞??(bao)??，扮??(ban)演??(yan)著??(zhe)“指??(zhi)揮??(hui)官??(guan)”角??(jiao)色??(se)??，通?(tong)過??(guo)釋??(shi)放??(fang)細??(xi)胞??(bao)因??(yin)子??(zi)??，激??(ji)活??(huo)B細??(xi)胞??(bao)和??(he)其??(qi)他??(ta)免?(mian)疫??(yi)細??(xi)胞??(bao)；細??(xi)胞??(bao)毒??(du)性??(xing)T細??(xi)胞??(bao)??，扮??(ban)演?(yan)著?(zhe)“殺??(sha)手??(shou)”角??(jiao)色??(se)??，直??(zhi)接??(jie)穿??(chuan)透?(tou)感??(gan)染??(ran)細?(xi)胞??(bao)??，注??(zhu)入??(ru)毒??(du)素??(su)將??(jiang)其??(qi)摧??(cui)毀??(hui)；調(diào)??(tiao)節(jié)??(jie)T細??(xi)胞??(bao)??，扮??(ban)演??(yan)著??(zhe)“維??(wei)穩(wěn)??(wen)員??(yuan)”角??(jiao)色??(se)??，防??(fang)止??(zhi)免??(mian)疫??(yi)反??(fan)應?(ying)過??(guo)度??(du)??，避??(bi)免??(mian)誤??(wu)傷??(shang)健??(jian)康??(kang)組??(zu)織?(zhi)???！　∽??(zui)后??(hou)是??(shi)維??(wei)持??(chi)記??(ji)憶??(yi)??，比??(bi)如??(ru)通??(tong)過??(guo)疫??(yi)苗??(miao)或??(huo)自??(zi)然??(ran)感??(gan)染??(ran)形??(xing)成??(cheng)長??(chang)期?(qi)保??(bao)護??(hu)??，例??(li)如??(ru)天??(tian)花??(hua)疫??(yi)苗??(miao)的??(de)終??(zhong)身??(shen)免??(mian)疫??(yi)效??(xiao)果??(guo)；再??(zai)如??(ru)調(diào)?(tiao)節(jié)??(jie)T細??(xi)胞秘(bao)抑??(yi)制??(zhi)過??(guo)度??(du)反??(fan)應??(ying)??，防??(fang)止??(zhi)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)“暴??(bao)走??(zou)”引??(yin)發(fā)??(fa)過??(guo)敏??(min)或??(huo)炎??(yan)癥??(zheng)風??(feng)暴??(bao)??。??。