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M9490674.TXT
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1994-09-24
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Document 0674
DOCN M9490674
TI Host defense abnormalities as causes of increased susceptibility to
infections in children with HIV infection [editorial]
DT 9411
AU Roilides E
SO Int J Med Microbiol Virol Parasitol Infect Dis. 1994 Mar;280(4):433-8.
Unique Identifier : AIDSLINE MED/94339572
AB Infection with human immunodeficiency virus (HIV) is followed by an
increased susceptibility to a series of opportunistic and common
pathogenic organisms that can be viruses, bacteria, fungi or protozoa.
This increased susceptibility has been associated with multiple defects
underlying the whole spectrum of host defenses. Numerical and functional
deficiencies in CD4+ T lymphocytes are the hallmark of progression of
the disease. In addition, B cells become affected as evidenced by a
spontaneous hyperproduction of immunoglobulins which are, however,
dysfunctional, and an impaired production of specific antibodies in
response to a variety of antigens. Natural killer cell cytotoxicity is
also defective. Both monocytes/macrophages and neutrophils are affected
by HIV and exhibit defective chemotactic and bactericidal function as
well as defective antibody dependent cellular cytotoxicity and certain
antifungal activities. These defects may explain the heightened
frequency of infections in this population of patients, especially in
children. Restoration of them with specific immunotherapeutic agents may
decrease the incidence of infections.
DE B-Lymphocytes/IMMUNOLOGY Child Human HIV Infections/*IMMUNOLOGY
Immune System/*PHYSIOPATHOLOGY Neutrophils/PHYSIOLOGY
T-Lymphocytes/IMMUNOLOGY EDITORIAL REVIEW REVIEW, TUTORIAL JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).