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M94A0703.TXT
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1994-10-21
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Document 0703
DOCN M94A0703
TI IgM antibodies against complex glycolipids of peripheral myelin in human
immunodeficiency virus (HIV) infection.
DT 9412
AU Petratos S; Papadopoulos R; Turnbull V; Ayers M; Gonzales MF; Department
of Anatomical Pathology, Royal Melbourne Hospital,; Parkville, Victoria.
SO Annu Conf Australas Soc HIV Med. 1993 Oct 28-30;5:30 (abstract no. TC9).
Unique Identifier : AIDSLINE ASHM5/94348952
AB IgM antibodies against complex glycolipids, in particular GM1, GD1b and
GQ1b gangliosides have been detected in the plasma of patients with
acute and chronic inflammatory demyelinating polyneuropathy, multi-focal
motor neuropathy and motor neurone disease. Inflammatory demyelinating
neuropathy is one of several neuropathies that occur in patients with
HIV infection. To determine the frequency of IgM antibodies against
peripheral myelin glycolipids in HIV infection, 118 plasma samples were
screened by enzyme-linked immunoassay (ELISA) and further analysed by
Western blotting, indirect immunofluorescence and thin layer
chromatography overlay. Thirty seven percent of samples showed IgM
reactivity with purified myelin by ELISA, compared with only an
occasional sample among 200 healthy blood donors. Reactivity could be
abolished by prior incubation with purified myelin. No reactivity with
myelin proteins was detected in any of the ELISA-positive samples.
Reactivity with galactocerebroside was detected in 16 of 21
ELISA-positive samples and a further 7 samples showed reactivity with
GD1b and GM1 gangliosides. These data suggest that immune damage to
peripheral myelin in HIV infection may be mediated, in part, by IgM
antibodies against glycolipids.
DE Autoantibodies/*ANALYSIS Demyelinating Diseases/DIAGNOSIS/IMMUNOLOGY
Enzyme-Linked Immunosorbent Assay G(M1) Ganglioside/*IMMUNOLOGY
Gangliosides/*IMMUNOLOGY Human HIV Infections/*IMMUNOLOGY
IgM/*ANALYSIS Myelin Proteins/*IMMUNOLOGY Peripheral Nerves/IMMUNOLOGY
MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).