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Serum antibody reacting with placental syncytiotrophoblast in sera of patients with autoimmune diseases--a possible relation to type C RNA retrovirus.

机译:自身免疫性疾病患者血清中血清抗体与胎盘合体滋养层细胞发生反应-可能与C型RNA逆转录病毒有关。

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摘要

This study reports the immunohistological detection of serum antibody reacting with the basal aspect of syncytiotrophoblast of human chorionic villi, where SSAV/GaLV (simian sarcoma associated virus/gibbon ape lymphoma virus) type C retrovirus p30 related antigen was observed by an indirect immunofluorescent method using monospecific antibodies against SSAV p28 and GaLV p29. The immunoglobulin class of this antibody activity called 'the anti-basal aspect of syncytiotrophoblast (anti-BAST)', was exclusively IgM and detected in the sera of both female and male patients with SLE and other autoimmune diseases, but rarely in the sera of normal controls. Immunofluorescent absorption and blocking test revealed that anti-BAST specifically reacted with human placenta and cross-reacted with subhuman primate type C RNA retrovirus SSV/SSAV (simian sarcoma virus/simian sarcoma associated virus), but did not cross-react with ATLV (adult T cell leukaemia virus) and BaEV (baboon endogenous retrovirus). These results suggest the presence of a new antigen-antibody system for another human type C retrovirus related antigens(s) and a participation of retrovirus in autoimmune diseases.
机译:这项研究报道了与人绒毛膜合胞体滋养细胞的基础反应的血清抗体的免疫组织学检测,其中使用间接免疫荧光方法使用间接免疫荧光法观察到了SSAV / GaLV(猿猴肉瘤相关病毒/长臂猿淋巴瘤病毒)C型逆转录病毒p30相关抗原。抗SSAV p28和GaLV p29的单特异性抗体。这种抗体活性的免疫球蛋白类别称为“合体滋养层细胞的抗基础方面(anti-BAST)”,仅IgM,在患有SLE和其他自身免疫性疾病的女性和男性患者的血清中均检测到,但在正常控制。免疫荧光吸收和阻断试验表明,抗BAST与人胎盘特异性反应,并与人亚灵长类C型RNA反转录病毒SSV / SSAV(猿猴肉瘤病毒/猿猴肉瘤相关病毒)发生交叉反应,但与ATLV(成人)无交叉反应T细胞白血病病毒)和BaEV(狒狒内源性逆转录病毒)。这些结果表明存在用于另一种人类C型逆转录病毒相关抗原的新抗原-抗体系统,以及逆转录病毒参与自身免疫性疾病。

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