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首页> 外文期刊>Journal of Clinical Microbiology >Syncytia inhibition by immune lymphocytes: in vitro test for immunity to canine distemper.
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Syncytia inhibition by immune lymphocytes: in vitro test for immunity to canine distemper.

机译:免疫淋巴细胞对合胞体的抑制作用:体外测试犬瘟热的免疫力。

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摘要

A simple and rapid (24-h) assay for peripheral blood lymphocyte-associated immunity to canine distemper virus (CDV) is described. The test is based upon leukocyte-associated inhibition of CDV-induced syncytia formation in Vero cells. The technique quantitates the response morphologically, thereby eliminating the requirement for release of radiolabeled compounds. Positive results were determined from specific-pathogen-free and gnotobiotic dogs exposed to CDV via hyperimmunization, vaccination with a modified live virus vaccine, and after virulent virus infection. Preinoculation lymphocytes and lymphocytes from non-immune dogs did not inhibit CDV-induced syncytia formation. Maximum responses were observed 7 to 21 days after initial exposure and declined thereafter. The method can be used to further investigate the role of immune lymphocytes in the recovery from CDV infection.
机译:描述了一种针对犬瘟热病毒(CDV)的外周血淋巴细胞相关免疫的简单,快速(24小时)检测方法。该测试基于Vero细胞中CDV诱导的合胞体形成的白细胞相关抑制作用。该技术从形态上对反应进行定量,从而消除了释放放射性标记化合物的要求。从通过超免疫,改良活病毒疫苗接种以及在强毒病毒感染后暴露于CDV的无特定病原体和致生病的狗中确定了阳性结果。接种前的淋巴细胞和非免疫犬的淋巴细胞没有抑制CDV诱导的合胞体形成。初次接触后7至21天观察到最大反应,此后下降。该方法可用于进一步研究免疫淋巴细胞在CDV感染恢复中的作用。

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