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支原体抗原间接血凝反应:pH值对鞣酸处理的新鲜及甲醛固定绵羊红细胞抗原致敏的影响

Indirect hemagglutination with Mycoplasma antigens: effects of pH on antigen sensitization of tanned fresh and formalinized sheep erythrocytes.

作者信息

Krogsgaard-Jensen A

出版信息

Appl Microbiol. 1971 Nov;22(5):756-9. doi: 10.1128/am.22.5.756-759.1971.

Abstract

An investigation of the influence of different factors affecting the sensitivity of the indirect hemagglutination test has been performed with antigens of four mycoplasmas isolated from sheep or goat. Tanned erythrocytes of sheep, fresh and formalinized, were sensitized with the above antigens. It was demonstrated that, with formalinized erythrocytes, the sensitivity was increased by 50 to 100 times when the sensitization was done at a low pH level. The pH level was unimportant for sensitizing fresh erythrocytes. The greatest sensitivity of the indirect hemagglutination test was obtained with fresh rather than formalinized erythrocytes. Three different types of antigens were used, and the most suitable antigen was found to be the supernatant fluid from an ultrasonically treated centrifuged Mycoplasma suspension.

摘要

利用从绵羊或山羊身上分离出的四种支原体抗原,对影响间接血凝试验敏感性的不同因素进行了研究。用上述抗原致敏新鲜的和经福尔马林固定的绵羊鞣酸红细胞。结果表明,对于经福尔马林固定的红细胞,在低pH值水平下进行致敏时,敏感性提高了50至100倍。pH值水平对新鲜红细胞的致敏并不重要。间接血凝试验用新鲜红细胞而非经福尔马林固定的红细胞可获得最高敏感性。使用了三种不同类型的抗原,发现最合适的抗原是经超声处理的支原体悬液离心后的上清液。

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Antigenicity of Mycoplasmatales.支原体目抗原性
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Effect of pH on the immunogenicity of Mycoplasma pneumoniae.
J Bacteriol. 1969 Feb;97(2):612-9. doi: 10.1128/jb.97.2.612-619.1969.

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