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M94A3162.TXT
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1994-10-25
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Document 3162
DOCN M94A3162
TI Possible role of pregnancy-specific glycoprotein (PSG) in mother-child
HIV infection transfer.
DT 9412
AU Blinov VM; Resenchuk SM; Chirikova GB; Denisov SI; Zverev VV; Institute
of Molecular Biology, Koltsovo, Novosibirsk, Russia.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):139 (abstract no. PA0177). Unique
Identifier : AIDSLINE ICA10/94369413
AB More than 3 million women mostly in reproductive age were AIDS-infected
in 1990. Vertical transfer of HIV from an infected pregnant woman to her
child becomes the main source of AIDS patients. Revealing of those
protective factors which provide the birth of a healthy child from the
HIV-infected mother is one of the most burning questions now. PSG is the
key pregnancy-associated protein produced by placenta and detectable in
maternal serum on the 18th days after ovulation. Analysis of PSG
structure has shown that it is closely related to the carcinoembryonic
antigen (CEA) family. CEA has recently been shown to be an intercellular
adhesion molecule; both PSG and CEA are members of the immunoglobulin
superfamily, which includes proteins that are arranged in domains and
have constant and variable regions. Besides, the immonoglobuline-like
domains are present in the env envelope protein of HIV which also takes
part in adhesion with cellular CD4 and CD2 receptors. We suggest that
PSG can act as the receptor for HIV proteins and discuss the
possibilities of both the protection providing the birth of a healthy
child from the HIV-infected mother and the elaboration of the
preparations which prevent the transfer of HIV infection to the child.
DE Adult Antigens, CD/PHYSIOLOGY Antigens, CD4/PHYSIOLOGY Antigens,
Differentiation, T-Lymphocyte/PHYSIOLOGY Cell Adhesion Female Human
HIV Infections/*PREVENTION & CONTROL/PHYSIOPATHOLOGY/ *TRANSMISSION
Infant, Newborn *Maternal-Fetal Exchange Pregnancy Pregnancy
Complications, Infectious/*PHYSIOPATHOLOGY Pregnancy-Specific beta
1-Glycoprotein/*PHYSIOLOGY Receptors, Immunologic/PHYSIOLOGY MEETING
ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).