Effect of interleukin-12 and interleukin-10 on the virus replication and apoptosis in T-cells infected with feline immunodeficiency virus.

Effect of interleukin-12 and interleukin-10 on the virus replication and apoptosis in T-cells infected with feline immunodeficiency virus.
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白细胞介素12和白细胞介素10对猫免疫缺陷病毒感染的T细胞病毒复制和凋亡的影响。

DOI:
10.1292/jvms.60.1181
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发表时间:
1998
期刊:
The Journal of veterinary medical science
影响因子:
--
通讯作者:
A. Hasegawa
A. Hasegawa
中科院分区:
--
文献类型:
--
作者:
E. Mortola;Y. Endo;T. Mizuno;K. Ohno;T. Watari;H. Tsujimoto;A. Hasegawa

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白介素12(IL-12)是Th1反应的重要细胞因子,能刺激T细胞产生细胞免疫因子。白介素10(IL-10)是一种多效性细胞因子,能够抑制巨噬细胞、T细胞和Th2免疫应答中的细胞因子的产生。本研究旨在探讨这些细胞因子对猫免疫缺陷病毒(FIV)感染的T细胞病毒复制和凋亡的影响。猫T淋巴样细胞系(FEL-039)感染后,培养上清液中逆转录酶(RT)活性升高,并伴有细胞凋亡。人重组IL-12对FEL-039细胞的病毒复制和凋亡有明显的抑制作用,且呈剂量依赖关系。此外,IL-12的抗病毒活性与FIV感染的FEL-039细胞中干扰素-γ的表达有关。相反,重组人IL-10对FIV感染的FEL-039细胞的病毒复制和凋亡没有显示出任何抑制作用。这些结果表明,IL-12对病毒复制和凋亡的抑制作用对设计使用IL-12治疗FIV感染的免疫治疗策略具有潜在的意义。
Interleukin-12 (IL-12) is an important cytokine for Th1 response which stimulates the T-cell population to produce cytokines for cellular immunity. Interleukin-10 (IL-10) is a pleiotropic cytokine capable of suppressing cytokine production from macrophages and T-cells and participants in Th2 immune response. The present study was carried out to examine the effect of these cytokines on virus replication and apoptosis in T-cells infected with feline immunodeficiency virus (FIV). Infection of a feline T-lymphoid cell line (Fel-039) resulted in an increase of the reverse transcriptase (RT) activity in the culture supernatant accompanied by cell death from apoptosis. Addition of human recombinant IL-12 significantly inhibited the virus replication and apoptosis in Fel-039 cells in a dose dependent manner. Furthermore, the antiviral activity of IL-12 was associated with the expression of IFN-gamma in the FIV-infected Fel-039 cells. In contrast, human recombinant IL-10 did not show any inhibitory effect on the virus replication and apoptosis in the Fel-039 cells infected with FIV. These results suggest that the inhibitory effect of IL-12 on both virus replication and apoptosis has potential implications for the design of immunotherapy strategies using IL-12 in FIV infection.
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发表时间: 1996
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DOI: --
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