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M9610282.TXT
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1996-01-30
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Document 0282
DOCN M9610282
TI Increased frequency of homozygosity of abnormal mannan-binding-protein
alleles in patients with suspected immunodeficiency.
DT 9601
AU Garred P; Madsen HO; Hofmann B; Svejgaard A; Department of Clinical
Immunology, National University Hospital; (Rigshospitalet), Copenhagen,
Denmark.
SO Lancet. 1995 Oct 7;346(8980):941-3. Unique Identifier : AIDSLINE
MED/96006000
AB A low plasma concentration of mannan-binding protein (MBP) impairs
opsonisation and phagocytosis. Three different mutations in the MBP gene
have a dominant effect on MBP concentration. We investigated the
frequency of the abnormal MBP alleles in 228 unrelated patients
suspected of various non-HIV-related immunodeficiencies. The frequency
of heterozygotes for the abnormal alleles was not different from that in
the background population (36.0% and 37.4%, respectively). By contrast,
the frequency of homozygotes for the abnormal alleles was significantly
increased (8.3% and 0.8%, respectively; p = 0.0017). This finding
implies that homozygotes for abnormal MBP alleles are predisposed to
recurrent infections.
DE Alleles Carrier Proteins/BLOOD/*GENETICS Child, Preschool Female
Gene Frequency Homozygote Human Immunologic Deficiency
Syndromes/BLOOD/*GENETICS Infant Male Support, Non-U.S. Gov't
JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).