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M9650924.TXT
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1996-03-30
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Document 0924
DOCN M9650924
TI Variable expression of major histocompatibility complex class II in the
domestic cat.
DT 9505
AU Hunt P; McConnell I; Grant CK; Else RW; Hopkins J; Department of
Veterinary Pathology, University of Edinburgh,; Royal (Dick) School of
Veterinary Studies, Summerhall.
SO Res Vet Sci. 1995 Nov;59(3):195-200. Unique Identifier : AIDSLINE
MED/96155081
AB This paper describes the characterisation of six independently produced
monoclonal antibodies (mAbs) specific for non-polymorphic determinants
of feline major histocompatibility complex (MHC) class II. One mAb is an
anti-sheep class II which cross-reacts with the cat and five have been
produced in response to immunisation with purified feline
immunodeficiency virus. Despite their independent source all the mAbs
have identical reactivities, immunoprecipitating two complex groups of
polypeptides of M(r) 33 to 36.000 (MHC class II alpha chains) and M(r)
28 to 31,000 (MHC class II beta chains). Immunoblot analysis showed them
to be beta chain-specific. One and two-dimensional electrophoresis
revealed the complexity of feline class II mass and charge and implied
the expression of multiple class II loci in the cat. Furthermore, it was
demonstrated that distinct cell populations expressed a distinct range
of class II variants. This suggesting either the differential expression
or the distinct post-translational modification of lymphocytes from
different sites. The mAbs have also been used for the detailed
examination of the cellular distribution and tissue localisation of MHC
class II in the cat.
DE Animal Antibodies, Monoclonal/CHEMISTRY/IMMUNOLOGY Cat
Diseases/PATHOLOGY Cats/BLOOD/*IMMUNOLOGY Cell Line Electrophoresis,
Gel, Two-Dimensional Flow Cytometry/VETERINARY Genes,
Immunoglobulin/GENETICS Histocompatibility Antigens Class
II/*ANALYSIS/GENETICS/ *IMMUNOLOGY Immunoblotting/VETERINARY
Immunodeficiency Virus, Feline/IMMUNOLOGY Immunohistochemistry
Leukemia, Lymphocytic/PATHOLOGY/VETERINARY Lymph Nodes/IMMUNOLOGY
Molecular Weight Precipitin Tests/VETERINARY Sheep Skin/IMMUNOLOGY
Spleen/IMMUNOLOGY Support, Non-U.S. Gov't Thymus Gland/IMMUNOLOGY
JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).