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Detection of serum antibodies to polymorphic membrane proteins (Pmp) in patients with urogenital Chlamydia trachomatis infection / 中华皮肤科杂志
Chinese Journal of Dermatology ; (12): 482-484, 2010.
Article in Chinese | WPRIM | ID: wpr-388707
ABSTRACT
Objecfive To detect serum antibodies to Pmp in patients with urogenital Chlamydia trachomatis infection and to assess the relationship between Pmp and urogenital C.traehomatis infection.Methods Twenty healthy adults and 77 patients with urogenital C. trachomatis infection were recruited into this study.A 3-month foilow-up was carried out in 43 patients,who were classified into persistent infection group(n=19)and negative-conversion group(n=24).Western-blot was performed to detect serum antibodies to Pmp in all subjects.Results The positivity rate of anti-Pmp antibodies was 90.20% (71/77) in patients,significantly higher than that in the normal controls[20% (4/20),P<0.05].All the 9 types of anti-Pmp antibodies were detected in patients with a varying positivity rates,which were 61.04% (47/77),88.31% (68/77),63.63% (49/77),28.57% (22,77),63.63% (49/77),75.32% (58/77),62.34% (48/77),77.92% (60/77)and 70.13% (54/77) for antibodies against PmpA,PmpB,PmpC,PmpD,PmpE,PmpF,PmpG,PmpH and PmpI respectivelyThe prevalence was highest for anti-Pmp B antibodies and lowest for anti-Pmp D antibodies.There was no significant difference in the positivity rate of anti-Pmp antibodies between persistent infection group and negativeconversion group.Conclusions Anti-Pmp antibodies could be generated in patients infected with C. trachomatis.The immunogenicity of different Pmps is different,and the immunoprotective activity of Pmps is rather weak.Individual differences exist in serum anti-Pmp antibodies among patients.Nine types of Pmps are expressed in patients with urogenital C. trachomatis infection.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Dermatology Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Dermatology Year: 2010 Type: Article