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Journal of Clinical Microbiology, 09 1996, 2095-2100, Vol 34, No. 9
F Karlsen, M Kalantari, A Jenkins, E Pettersen, G Kristensen, R Holm, B Johansson and B Hagmar
Using multiple PCR primer sets, we tried to optimize the detection of human
papillomavirus (HPV) in DNA samples isolated from 361 frozen biopsy
specimens from patients with invasive cervical carcinomas. The HPVs
detected were placed into three distinct groups, including group I/Inex at
Telelab (Skien, Norway) and group Ineg and group II at the Norwegian Radium
Hospital (Oslo, Norway). The consensus primer sets were Oli-1b-oli-2i,
My09-My11, Gp5-Gp6, and Gp(5+)-Gp6+ from the HPV L1 gene and CpI-CpIIG from
the E1 gene. Using these consensus primers together with the type-specific
primers from E6-E7, we found that 355 patients (98%) were HPV positive.
Type-specific primers for HPV types 11, 16, 18, 31, 33, and 35 detected
more HPV-infected patients than the most sensitive consensus primer set,
while the three consensus primer sets My, Gp/Gp+, and Cp together detected
more HPV-positive patients than the type-specific primers. Testing of
sensitivity of the PCR with SiHa cells serially diluted in lymphocytes
(HPV-negative cells) indicated a detection limit of 6,300 HPV type 16 DNA
copies with consensus primers (My, Gp+, and Cp) and 126 original HPV type
16 DNA copies with type-specific primers. Comparison of the amplification
results for consensus L1 primers and type-specific E6-E7 primers indicated
the presence of L1 deletions in 23 of 56 samples. The conclusion is that in
PCR detection systems, multiple consensus primers and type-specific primers
should be used in order to detect all patients harboring HPV.
Copyright © 1996 by the American Society for Microbiology. All rights reserved.
Use of multiple PCR primer sets for optimal detection of human papillomavirus
Department of Pathology, Norwegian Radium Hospital, Montebello, Norway. frank.karlsen@labmed.uio.no
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