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Sandwich hybridization in solution: a rapid method to screen HPV 16 DNA in cervical scrapes
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1989 (English)In: Molecular and Cellular Probes, ISSN 0890-8508, E-ISSN 1096-1194, Vol. 3, no 1, 1-11 p.Article in journal (Refereed) Published
Abstract [en]

A solution hybridization method is introduced as a rapid diagnostic method for demonstration of papillomavirus DNA in cervical scrapes. 32P-Labelled detector probe and the biotinylated capture probes were hybridized with DNA of the specimen after pretreatment by boiling in alkaline SDS. After 4 h of hybridization the hybrids were collected onto avidin coated beads and measured. The sensitivity of the method was 1–5 × 105 HPV 16 DNA molecules. Cervical carcinoma cell lines CaSki and SiHa were informative as to the sensitivity of the solution hybridization and the in situ hybridization methods. CaSki cells containing about 700 HPV 16 DNA copies per cell were positive by both methods. SiHa cells with one HPV 16 DNA copy per cell were positive by the sandwich assay but remained negative in the in situ test. A series of 126 cervical scrapes collected from consecutive patients participating in a follow-up study for cervical HPV infection were tested for HPV 16 DNA by both methods. The detection rate of the sandwich test was 19/126 (15%) and that of the in situ method 21/126 (17%) yielding 26 diagnoses altogether. Twelve of these were obtained by one method only. The results obtained by studying the cervical cell lines and repeated specimens taken from constantly HPV 16 positive patients suggested that the two methods can measure different types of infections and thus complement each other in the diagnosis of cervical HPV infections.

Place, publisher, year, edition, pages
1989. Vol. 3, no 1, 1-11 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-169908DOI: 10.1016/0890-8508(89)90032-7PubMedID: 2543915OAI: oai:DiVA.org:uu-169908DiVA: diva2:508022
Available from: 2012-03-07 Created: 2012-03-07 Last updated: 2012-03-30Bibliographically approved

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Syvänen, Ann-Christine
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