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M9550186.TXT
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1995-03-04
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Document 0186
DOCN M9550186
TI Predictive markers for mother-to-child transmission of HIV-1 in Dar es
Salaam, Tanzania.
DT 9505
AU Bredberg-Raden U; Urassa W; Urassa E; Lyamuya E; Msemo G; Kawo G;
Kazimoto T; Massawe A; Grankvist O; Mbena E; et al; Department of
Immunology, Swedish Institute for Infectious; Disease Control,
Stockholm.
SO J Acquir Immune Defic Syndr Hum Retrovirol. 1995 Feb 1;8(2):182-7.
Unique Identifier : AIDSLINE MED/95135996
AB The aim of this study was to determine immunological factors associated
with increased risk of mother-to-child transmission of HIV-1 that could
be used as predictive markers in Tanzanian women. One hundred and
thirty-eight HIV-1-seropositive and 117-seronegative mothers and their
newborns were recruited at delivery and followed up at Muhimbili Medical
Centre in Dar es Salaam, Tanzania. Blood specimens from the mothers were
analyzed for HIV-1 p24 antigen, beta 2-microglobulin (B2M), T-lymphocyte
subsets, and presence of viral DNA in blood mononuclear cells by the
polymerase chain reaction (PCR). Among 138 seropositive mothers, 30
(21.7%) had transmitted HIV-1 to their children, as shown by a positive
PCR in the child. The vertical transmission rate was significantly
higher in women with a percentage of CD4 lymphocytes < or = 20 (eight of
24, 33%) or a level of B2M > or = 2 mg/L (21 of 62, 34%) than in women
with a higher percentage of CD4 lymphocytes (10 of 73, 14%) or a lower
level of B2M (eight of 57, 14%) (p = 0.034 and 0.018, respectively). In
eight of 18 (44%) transmitting mothers the percentage of CD4 lymphocytes
was < or = 20, and in 21 of 29 (72%) transmitting mothers the B2M level
was > or = 2 mg/L. In women with both a low percentage of CD4
lymphocytes (< or = 20) and a high level of B2M (> or = 2 mg/L), the
vertical transmission rate was 54%.(ABSTRACT TRUNCATED AT 250 WORDS)
DE beta 2-Microglobulin/ANALYSIS Biological Markers *Disease
Transmission, Vertical Enzyme-Linked Immunosorbent Assay Female Human
HIV Core Protein p24/BLOOD HIV
Seropositivity/EPIDEMIOLOGY/*TRANSMISSION *HIV-1 Infant Infant,
Newborn Polymerase Chain Reaction Pregnancy Support, Non-U.S. Gov't
T-Lymphocyte Subsets Tanzania JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).