COMPARISON OF 4 INSITU HYBRIDIZATION METHODS, BASED ON DIGOXIGENIN-LABELED AND BIOTIN-LABELED PROBES, IN DETECTING HPV DNA IN MALE CONDYLOMATA ACUMINATA

被引:5
作者
LASSUS, J [1 ]
NIEMI, KM [1 ]
MARJAMAKI, A [1 ]
SYRJANEN, S [1 ]
KARTAMAA, M [1 ]
LEHMUS, A [1 ]
KROHN, K [1 ]
RANKI, A [1 ]
机构
[1] UNIV HELSINKI,CENT HOSP,DEPT DERMATOL & VENEREAL DIS,SF-00100 HELSINKI 10,FINLAND
关键词
HUMAN PAPILLOMAVIRUS (HPV); CONDYLOMA ACUMINATUM; INSITU HYBRIDIZATION; DIGOXIGENIN; BIOTIN;
D O I
10.1177/095646249200300308
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
We have compared the efficacy of digoxigenin- and biotin-labelled probes in detecting HPV DNA by in situ hybridization on paraffin-embedded tissue sections of 57 male condyloma-suspect genital lesions. Each biopsy was hybridized with at least three of the following four methods: digoxigenin-labelled HPV DNA probes (Dig-HPV), biotinylated HPV-DNA probes (Bio-HPV), and two commercial methods (ViraType in situ and PathoGene), both based on biotinylated DNA probes. The hybridization products were visualized with colourigenic enzyme substrates. In most biopsies, the 4 methods gave equal results although cross-hybridization was most often found with the low-stringency ViraType method. Dig-HPV 6/11 probes gave positive results about twice as often as either of the commercial methods. No such difference, however, was found for HPV 16/18 probes. DNA of any type of HPV 6/11, 16/18 or 31/33/35 or 51 was detected in 28/43 (65%) of lesions showing condyloma acuminatum histology but in none of the 14 biopsies with no histological signs of HPV infection. In HPV-positive condylomata with no cellular atypia. HPV 6/11 was detected in 87% (13/15), and HPV 16/18 in 27% (4/15). In biopsies with cellular atypia, HPV types 6/11 were detected in 62% (8/13), HPV types 16/18 in 46% (6/13), and HPV types 31/33/35 or 51 in 50% (6/12). In about 50% of the biopsies where at least one hybridization method gave a positive result, either one of the commercial methods gave a negative result. Thus, in situ hybridization using digoxigenin-labelled HPV DNA probes is at least as sensitive a method for HPV detection in paraffin embedded biopsy tissue as in situ hybridization using biotin-labelled probes. Combination of in situ hybridization using digoxigenin-labelled HPV DNA probes with in situ hybridization with biotinylated HPV DNA probes may further improve sensitivity of HPV DNA detection in paraffin-embedded biopsy material.
引用
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页码:196 / 203
页数:8
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