J Vet Sci.  2002 Dec;3(4):285-292.

Sequence analysis of canine LINE-1 elements and p53 gene in canine transmissible venereal tumor

Affiliations
  • 1Department of Clinical and Population Sciences College of Veterinary Medicine University of Minnesota, 1988 Fitch Avenue St.Paul, MN 55108, USA.
  • 2Laboratory of Infectious Diseases, College of Veterinary Medicine, Chungnam National University, Daejeon 305-764, Korea. cjkim@cnu.ac.kr

Abstract

LINEs (long interspersed nuclear elements or long interspersed repeated DNA elements) contains two open reading frames (ORFs), ORF1 and ORF2. We analysed the ORF2 located in the 5' region to the first exon of oncogene c-myc in canine transmissible venereal tumor (TVT) cell. We also showed the transcription activation was induced by this TVT-LINE sequence using CAT assay. To identify the mutation of tumor suppressor gene, sequence analysis of p53 from TVT cell was performed. We identified the point mutation of 964 nucleotide (T-->C) resulting in the change of amino acid (Phe-->Ser) of p53 tumor suppressor protein.


MeSH Terms

Amino Acid Sequence
Animals
Base Sequence
Cells, Cultured
Cricetinae
DNA, Neoplasm/chemistry/genetics
Dog Diseases/*genetics
Dogs
Long Interspersed Nucleotide Elements/*genetics
Molecular Sequence Data
Point Mutation
Polymerase Chain Reaction
Sequence Alignment
Transcription, Genetic
Tumor Suppressor Protein p53/chemistry/*genetics
Venereal Tumors, Veterinary/chemistry/*genetics
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