The haemagglutinin protein is an important determinant of measles virus tropism for dendritic cells in vitro.

The haemagglutinin protein is an important determinant of measles virus tropism for dendritic cells in vitro.
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血凝素蛋白是体外树突状细胞麻疹病毒趋向性的重要决定因素。

DOI:
--
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发表时间:
2001
影响因子:
3.8
通讯作者:
S. Schneider‐Schaulies
S. Schneider‐Schaulies
中科院分区:
医学3区
文献类型:
--
作者:
S. Ohgimoto;Kaori Ohgimoto;Kaori Ohgimoto;S. Niewiesk;I. Klagge;Joanna Pfeuffer;I. Johnston;J. Schneider;A. Weidmann;V. Meulen;S. Schneider‐Schaulies

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重组麻疹病毒(MV),其中编码融合蛋白和血凝素(H)蛋白的真实糖蛋白基因的Edmonston(艾德)疫苗株被交换单或双为相应的基因的嗜淋巴细胞MV野生型病毒(WTF株)先前被用于研究MV嗜性在细胞系中的组织培养。当这些重组体和它们的亲本菌株,分子ED为基础的克隆(ED标签)和WTF,被用来感染棉鼠,只有表达MV WTF H蛋白的病毒在次级淋巴组织中复制,并引起显着的免疫抑制。在体外,含有艾德H蛋白的病毒显示出对人外周血淋巴细胞的向性,如通过增强的结合和病毒产生所记录的,而含有WTF H蛋白的病毒在单核细胞衍生的树突状细胞(Mo-DC)中复制良好。这与这些病毒与DC的更有效结合无关,但与摄取、病毒传播、病毒抗原积累和病毒产生的增强有关。因此,用WTF H蛋白替换艾德H蛋白足以在体外赋予WTF对ED-标签的DC向性。本研究表明,MV H蛋白在决定细胞对免疫细胞的嗜性中起重要作用,这可能在体内诱导免疫抑制中起重要作用。
Recombinant measles viruses (MV) in which the authentic glycoprotein genes encoding the fusion and the haemagglutinin (H) proteins of the Edmonston (ED) vaccine strains were swapped singly or doubly for the corresponding genes of a lymphotropic MV wild-type virus (strain WTF) were used previously to investigate MV tropism in cell lines in tissue culture. When these recombinants and their parental strains, the molecular ED-based clone (ED-tag) and WTF, were used to infect cotton rats, only viruses expressing the MV WTF H protein replicated in secondary lymphatic tissues and caused significant immunosuppression. In vitro, viruses containing the ED H protein revealed a tropism for human peripheral blood lymphocytes as documented by enhanced binding and virus production, whereas those containing the WTF H protein replicated well in monocyte-derived dendritic cells (Mo-DC). This did not correlate with more efficient binding of these viruses to DC, but with an enhancement of uptake, virus spread, accumulation of viral antigens and virus production. Thus, replacement of the ED H protein with WTF H protein was sufficient to confer the DC tropism of WTF to ED-tag in vitro. This study suggests that the MV H protein plays an important role in determining cell tropism to immune cells and this may play an important role in the induction of immunosuppression in vivo.
DOI: 10.1006/viro.1999.0118
发表时间: 2000-02
期刊: Virology
影响因子: 3.7
作者:
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麻疹病毒抑制丝裂原诱导的 T 细胞增殖,但不会直接干扰细胞内 T 细胞的激活过程。
DOI: 10.1016/0042-6822(92)90316-h
发表时间: 1992
期刊: Virology
影响因子: 3.7
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Yanagi,Y;Cubitt,BA;Oldstone,MB
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DOI: --
发表时间: 1988
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
作者:
McChesney,MB;Altman,A;Oldstone,MB
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DOI: 10.1002/j.1460-2075.1995.tb00266.x
发表时间: 1995-12-01
期刊: EMBO JOURNAL
影响因子: 11.4
作者:
RADECKE, F;SPIELHOFER, P;BILLETER, MA
通讯作者: BILLETER, MA
麻疹病毒-单核细胞相互作用。
DOI: 10.1007/978-3-642-78621-1_6
发表时间: 1995
影响因子: --
作者:
Borrow,P;Oldstone,MB
通讯作者: Oldstone,MB