首页> 美国卫生研究院文献>Clinical and Experimental Immunology >Antigens of Mycobacterium leprae in the cerebrospinal fluid of leprosy patients: detection by monoclonal-antibody-based sandwich immunoradiometric assay and avidin/biotin immunoblotting.
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Antigens of Mycobacterium leprae in the cerebrospinal fluid of leprosy patients: detection by monoclonal-antibody-based sandwich immunoradiometric assay and avidin/biotin immunoblotting.

机译:麻风病人脑脊液中的麻风分枝杆菌抗原:通过基于单克隆抗体的夹心免疫放射分析法和抗生物素蛋白/生物素免疫印迹法检测。

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摘要

Mycobacterium leprae antigens could be detected in the cerebrospinal fluid (CSF) of patients with leprosy, using a monoclonal-antibody-based sandwich immunoradiometric assay (SIRMA). Antigens of 12 kD, 35 kD and 30-40 kD were detected using ML06, ML04, and ML34 monoclonal antibodies, respectively. The 30-40-kD polysaccharide antigen, although present in larger amounts in M. leprae than the 12-kD and 35-kD protein antigens, was found in the CSF of comparatively fewer subjects. The antigen capture assay has been found sensitive to the level of nanograms. Avidin-biotin-based immunoblotting using pooled leprosy sera detected a larger number of antigens than using anti-M. leprae antisera raised in rabbits. The immunoblotting of CSF samples revealed about three antigens in the region of 100-160 kD and three more in the region of 45-60 kD as probed by leprosy sera. This study has for the first time revealed the presence of M. leprae antigens in the CSF of leprosy patients and the probable involvement of the central nervous system in leprosy.
机译:使用基于单克隆抗体的夹心免疫放射分析(SIRMA),可以在麻风患者的脑脊液(CSF)中检测到麻风分枝杆菌抗原。使用ML06,ML04和ML34单克隆抗体分别检测到12 kD,35 kD和30-40 kD的抗原。尽管在麻风分支杆菌中存在的30-40 kD多糖抗原比12 kD和35 kD蛋白抗原的量更大,但在相对较少的受试者的CSF中发现了30-40 kD多糖抗原。已经发现抗原捕获测定法对纳克水平敏感。与使用抗-M抗体相比,使用合并的麻风病血清进行的基于抗生物素蛋白-生物素的免疫印迹检测到的抗原数量更多。兔中产生的麻风抗血清。 CSF样品的免疫印迹显示,麻风血清探测的100-160 kD区域中约有3种抗原,45-60 kD区域中又有3种抗原。这项研究首次揭示麻风病人的脑脊液中存在麻风分枝杆菌抗原,麻风中枢神经系统可能参与其中。

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