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M94A2590.TXT
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1994-10-25
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Document 2590
DOCN M94A2590
TI Anal infection with multiple HPV types in men with symptomatic HIV
disease.
DT 9412
AU Palefsky JM; Holly EA; Ahn D; Department of Laboratory Medicine,
University of California, San; Francisco 94143.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):27 (abstract no. 081B). Unique
Identifier : AIDSLINE ICA10/94369985
AB OBJECTIVE: The incidence of anal cancer is increasing in association
with the AIDS epidemic. This disease is associated with human
papillomavirus (HPV) infection. However, little is known about anal HPV
infection in men with advanced HIV disease. In this study, we
characterized changes in HPV type and level over 1 year in this
population. METHODS: HPV testing was performed in 57 homosexual men with
symptomatic HIV disease at baseline, and at 6 and 12 months using 2
methods. L1 consensus primer PCR was used to detect low level or high
level infection with HPV types 6, 11, 16, 18, 31, 33, 35, 39, 45, 51,
and 52. Hybrid Capture (HC) was used to detect high level infection
(indicating active viral replication) with HPV groups 6/11, 42/43/44,
16/18, 31/33/35, and 45/51/52/56, as well as HPV type 16 alone. The
concentrations of HPV 16 and 6/11 DNA in the anal specimens were
calculated using standard curves at 6 months into the study. RESULTS:
The prevalence of PCR positivity among the men increased from 67% to 84%
after one year. At baseline, multiple types were found in 56% of men
with a mean of 1.9 types. After one year, this rose to 81% with a mean
of 3.1 types. The prevalence of HC positivity increased from 54% to 77%
after one year. At baseline, multiple groups were found in 32% of men
with a mean of 1.1 groups. After one year, this rose to 50% with a mean
of 1.8 groups. Among those with HPV 16 or 6/11 by HC at 6 months, the
median HPV 16 level was 125 pg/ml (n = 10, range 11-2080), and 6/11 was
912 pg/ml (n = 7, range 28-2860). CONCLUSIONS: HPV infection persists in
this population, including low level infection. The proportion of men
with multiple types is high and continues to increase over time. The
concentrations of different HPV types are also very high but vary widely
and there is no clear selective advantage of one group over the other.
DE Anus Diseases/COMPLICATIONS/*MICROBIOLOGY Homosexuality Human HIV
Infections/*COMPLICATIONS Male Papillomavirus,
Human/CLASSIFICATION/*ISOLATION & PURIF Papovaviridae
Infections/COMPLICATIONS/*MICROBIOLOGY Polymerase Chain Reaction
Serotyping Tumor Virus Infections/COMPLICATIONS/*MICROBIOLOGY MEETING
ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).