Human SMOOTHENED inhibits human immunodeficiency virus type 1 infection.

Human SMOOTHENED inhibits human immunodeficiency virus type 1 infection.
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Human SMOOTHENED 抑制人类免疫缺陷病毒 1 型感染。

DOI:
10.1016/j.bbrc.2017.09.063
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发表时间:
2017
影响因子:
3.1
通讯作者:
S. Yamaoka
S. Yamaoka
中科院分区:
生物学4区
文献类型:
--
作者:
Takeshi Yoshida;A. Hamano;A. Ueda;H. Takeuchi;S. Yamaoka

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人SMOOTHENED(SMO)是通过表达克隆鉴定的一种新的抑制HIV-1感染的宿主因子。在人MT-4 T细胞中,SMO的强制表达可以抑制HIV-1的复制和单轮慢病毒载体的感染,但不能抑制基于鼠白血病病毒的逆转录病毒载体的感染。定量PCR分析表明,SMO的稳定表达损害了慢病毒DNA的整合形式的形成,但不中断逆转录。这种抑制作用在表达低水平SMOmRNA的MT-4和HUT 102人T细胞系中明显,但在表达高水平SMOmRNA的SupT 1或Jurkat T细胞系中不明显。Jurkat细胞中SMOmRNA的缺失促进了HIV-1载体感染,表明内源性SMO在限制慢病毒感染中起作用。这些结果表明,SMO抑制HIV-1复制后完成逆转录,但整合之前。
Human SMOOTHENED (SMO) was identified by expression cloning as a new host factor that inhibits HIV-1 infection. Forced expression of SMO inhibited HIV-1 replication and infection with a single-round lentiviral vector, but not infection with a murine leukemia virus-based retroviral vector in human MT-4 T cells. Quantitative PCR analyses revealed that stable expression of SMO impaired formation of the integrated form of lentiviral DNA, but did not interrupt reverse transcription. This inhibition was evident in MT-4 and HUT102 human T cell lines expressing low levels ofSMOmRNA, but not in SupT1 or Jurkat T cell lines expressing higher levels ofSMOmRNA. Depletion ofSMOmRNA in Jurkat cells facilitated HIV-1 vector infection, suggesting that endogenous SMO plays a role in limiting lentiviral infection. These results suggest that SMO inhibits HIV-1 replication after completion of reverse transcription but before integration.
DOI: 10.1016/j.semcdb.2014.05.002
发表时间: 2014-09
影响因子: 7.3
作者:
Mukhopadhyay S;Rohatgi R
通讯作者: Rohatgi R
逆转录病毒介导的表达克隆的应用。
DOI: --
发表时间: 1996
期刊: Experimental hematology.
影响因子: --
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Onishi,M;Kinoshita,S;Morikawa,Y;Shibuya,A;Phillips,J;Lanier,LL;Gorman,DM;Nolan,GP;Miyajima,A;Kitamura,T
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