The role of IL-5, IL-6 and IL-10 in primary and vaccine-primed immune responses to infection with Friend retrovirus (Murine leukaemia virus).
The role of IL-5, IL-6 and IL-10 in primary and vaccine-primed immune responses to infection with Friend retrovirus (Murine leukaemia virus).
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IL-5、IL-6 和 IL-10 在针对 Friend 逆转录病毒(鼠白血病病毒)感染的初级免疫反应和疫苗引发的免疫反应中的作用。
DOI:
10.1099/0022-1317-82-6-1349
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发表时间:
2001
期刊:
影响因子:
--
通讯作者:
Dittmer,U
中科院分区:
文献类型:
--
作者:
Strestik,BD;Olbrich,AR;Hasenkrug,KJ;Dittmer,U
The defence of a host against viral infections is strongly influenced by cytokines. We investigated the role of the B-cell stimulating cytokines IL-5 and IL-6, and the immuno-suppressive cytokine IL-10, during primary and secondary immune responses in mice against infection with Friend retrovirus (FV) (Murine leukaemia virus). IL-5−/−mice were comparable to C57BL/6 wild-type mice in their ability to control acute FV infection. In contrast, IL-6−/−and IL-10−/−mice showed significantly enhanced virus loads in spleen cells. However, this impaired control of acute FV replication did not alter the long-term control over persistent FV in IL-6−/−and IL-10−/−mice. Immunization with a live attenuated vaccine virus prior to challenge protected all three types of cytokine-deficient mice from high levels of spleen virus, despite the finding that the vaccinated IL-5- and IL-6-deficient mice had significantly reduced titres of virus-neutralizing IgG class antibodies. The results indicate that IL-6 and IL-10 contribute to primary immune responses against FV, but are dispensable during persistent infection and vaccine-primed secondary responses.
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