Immune dot blot technique for diagnosing infection with Chlamydia trachomatis.

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Immune dot blot technique for diagnosing infection with Chlamydia trachomatis.

An immune dot blot test (IDBT) to detect the genus specific lipopolysaccharide chlamydial antigen is described, in which the antigen is trapped on nitrocellulose membrane and then detected with a monoclonal antibody labelled with 125iodine. A preliminary comparison of 270 specimens obtained from the endocervix or male urethra showed that the IDBT was more sensitive (sensitivity 90%) than a comm...

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Sensitive immune dot blot test for diagnosis of Chlamydia trachomatis infection.

The sensitivity and specificity of an immune dot blot test (IDBT), which relies on a 125I-labeled genus-specific monoclonal antibody to detect the Chlamydia lipopolysaccharide (LPS) antigen, were improved by pretreatment of specimens with proteinase K. This enzyme destroys protein A and therefore eliminates false-positive reactions caused by the presence of Staphylococcus aureus. Proteinase K t...

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Use of a reverse dot blot procedure to identify the presence of multiple serovars in Chlamydia trachomatis urogenital infection.

Epidemiologic research requires identification of Chlamydia trachomatis serovars and detection of mixed infection. Antibody-based serotyping is unworkable when specimens are urine or vaginal swabs. We developed a reverse dot blot (RDB) to screen for multiple serotypes in these specimens. RDB yielded the predicted results on all artificially mixed samples and on seven of eight clinically mixed s...

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P-59: Chlamydia Trachomatis Infection in Femaleswith Secondary Infertility

Background: We designed a prospective study to assess the role of Chlamydia in secondary infertility Materials and Methods: 40 women with secondary infertility and 30 term healthy pregnant women of similar age composition were studied for past and present chlamydia trachomatis infection. Women attending the outpatient department of Obstetrics and Gynaecology with complaint of secondary infertil...

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ژورنال

عنوان ژورنال: Sexually Transmitted Infections

سال: 1987

ISSN: 1368-4973

DOI: 10.1136/sti.63.6.375