Mutations of Bovine p53 Gene in Bovine Leukemia Virus-Induced B-Cell Lymphosarcoma.
نویسندگان
چکیده
منابع مشابه
Pathology of lymphosarcoma in sheep induced with bovine leukemia virus.
Sixty-nine sheep were infected with bovine leukemia virus from bovine lymphosarcoma materials. Twenty-four developed lymphosarcoma and died from 13 to 66 (average, 29) months later. Circulating lymphocytes were increased to leukemia levels (70,000 to 403,000/cu mm blood) in only eight sheep within 2 to 3 months of death. Various lymph nodes and visceral organs including heart, abomasum, uterus,...
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Tumor-associated antigens (TAAs) expressed on tumor cells from cattle with enzootic bovine leukosis were divided into three groups by using 13 monoclonal antibodies: common TAA; partially common TAA; and individually distinct TAA. TAA was extracted from tumor cells and purified by ion exchange chromatography on diethylaminoethyl-cellulose and isoelectric focusing. The common TAA, which was dete...
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Thirteen monoclonal antibodies directed against tumor cells from cattle from enzootic bovine leukosis (EBL) were obtained. They reacted with tumor cells but not with normal bovine cells or bovine leukemia virus antigens. According to the reactivities of these antibodies with 19 individual tumors, the 13 monoclonal antibodies can be divided into three groups. Antibodies of the first group reacte...
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The in vivo transcriptional status of bovine leukemia virus was assessed at three stages of infection during the progression of the disease: aleukemic stage, persistent lymphocytosis, and leukemia/lymphosarcoma. Bovine leukemia virus transcripts could be amplified from total or cytoplasmic enriched lymphocyte RNA by reverse transcription polymerase chain reaction in cells from all but a few ale...
متن کاملEnhanced expression of the c-myc gene in bovine leukemia virus-induced bovine tumors.
We have detected elevated levels of c-myc gene expression in neoplastic cells from all seven bovine leukemia virus (BLV)-induced bovine tumors examined, but not in BLV-infected, nonneoplastic lymphoid cells. No rearrangement or amplification of the c-myc gene could be demonstrated in any of the BLV-induced tumors. Furthermore, BLV proviral DNA was found to have no preferred site of integration ...
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ژورنال
عنوان ژورنال: The Journal of animal genetics
سال: 1999
ISSN: 0919-4371,1884-3875
DOI: 10.5924/abgri1993.27.45