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Direct Diagnosis of Trichomonas vaginalis Infection on Archived Pap Smears Using Nested PCR

Direct Diagnosis of Trichomonas vaginalis Infection on Archived Pap Smears Using Nested PCR Objectives: Little information is available concerning PCR-based direct detection of Trichomonas infections on archived Pap (Papanicolaou)-stained smears. This study investigates DNA extraction and amplification from archived Pap smears. Trichomonas vaginalis is a parasitic protozoan that infects the urogenital tract of women. Study Design: DNA from archived Pap-stained smears was successfully amplified using the nested PCR to investigate if it could be used for accurate detection and retrospective epidemiological investigations. Results: In our study, 98 (75.4%) out of 130 specimens of T. vaginalis Pap-stained smears were found to be positive by the nested PCR. Also, direct PCR on the archived Pap smears for identifying T. vaginalis gave a specificity of 100%. Conclusion: PCR-based Pap smears appear to offer an effective method to detect Trichomonas infection in archived samples, being rapid, highly specific and convenient for sampling, particularly in retrospective investigations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Cytologica Karger

Direct Diagnosis of Trichomonas vaginalis Infection on Archived Pap Smears Using Nested PCR

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Publisher
Karger
Copyright
© 2015 S. Karger AG, Basel
ISSN
0001-5547
eISSN
1938-2650
DOI
10.1159/000369772
Publisher site
See Article on Publisher Site

Abstract

Objectives: Little information is available concerning PCR-based direct detection of Trichomonas infections on archived Pap (Papanicolaou)-stained smears. This study investigates DNA extraction and amplification from archived Pap smears. Trichomonas vaginalis is a parasitic protozoan that infects the urogenital tract of women. Study Design: DNA from archived Pap-stained smears was successfully amplified using the nested PCR to investigate if it could be used for accurate detection and retrospective epidemiological investigations. Results: In our study, 98 (75.4%) out of 130 specimens of T. vaginalis Pap-stained smears were found to be positive by the nested PCR. Also, direct PCR on the archived Pap smears for identifying T. vaginalis gave a specificity of 100%. Conclusion: PCR-based Pap smears appear to offer an effective method to detect Trichomonas infection in archived samples, being rapid, highly specific and convenient for sampling, particularly in retrospective investigations.

Journal

Acta CytologicaKarger

Published: Jan 1, 2015

Keywords: Nested PCR; Trichomonas vaginalis; Archived Pap smear

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