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M9650039.TXT
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1996-03-09
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Document 0039
DOCN M9650039
TI Development and application of an antibody ELISA for the marker protein
of ovine pulmonary carcinoma.
DT 9605
AU Kwang J; Keen J; Rosati S; Tolari F; USDA, ARS, US Meat Animal Research
Center, Clay Center, NE 68933,; USA.
SO Vet Immunol Immunopathol. 1995 Aug;47(3-4):323-31. Unique Identifier :
AIDSLINE MED/96016705
AB Ovine pulmonary carcinoma (OPC) is a contagious pulmonary neoplasia with
a suspected retroviral etiology. The major core protein (P27) of the
putative OPC virus cross-reacts with antibodies to P27 of the
Mason-Pfizer monkey virus (MPMV), a type-D retrovirus. This serological
reactivity serves as the only accepted biological marker for OPC. In
order to make a useful reagent for the detection of the OPC marker for
serodiagnosis and epidemiological studies, the MPMV-P27 coding region
was cloned and expressed in Escherichia coli. Gel purified recombinant
MPMV-P27 protein was used to develop an immunoassay. This recombinant
enzyme-linked immunosorbent assay (ELISA) was then used to screen 223
sera from US sheep and 176 sera from Italian sheep. In this study, we
found: (1) a high prevalence of infection with the putative OPC
retrovirus in sheep with chronic pneumonia; (2) a subclinical infection
with OPC virus may be more common in US sheep than indicated by the rare
recorded occurrence of pulmonary carcinoma; (3) an apparent association
between ovine lentivirus (OLV) and OPC infection.
DE Adenocarcinoma, Bronchiolo-Alveolar/DIAGNOSIS/*VETERINARY/ VIROLOGY
Animal Antibodies, Viral/ANALYSIS Base Sequence Blotting, Western
DNA Primers/CHEMISTRY Enzyme-Linked Immunosorbent
Assay/METHODS/*VETERINARY Escherichia coli/GENETICS Gene Expression
Regulation, Viral Lung Neoplasms/DIAGNOSIS/*VETERINARY/VIROLOGY Macaca
Mason-Pfizer Monkey Virus/GENETICS/IMMUNOLOGY Molecular Sequence Data
Prevalence Recombinant Proteins/IMMUNOLOGY Retroviridae
Infections/DIAGNOSIS/*VETERINARY/VIROLOGY Sensitivity and Specificity
Sheep Sheep Diseases/*DIAGNOSIS/VIROLOGY Tumor Markers, Biological
Tumor Virus Infections/DIAGNOSIS/*VETERINARY/VIROLOGY Viral Core
Proteins/GENETICS/*IMMUNOLOGY Visna-Maedi Virus/GENETICS/IMMUNOLOGY
JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).