An investigation of the effect of antisense RNA gene on bovine leukaemia virus reproduction in cell culture

M. F. Murovska, L. G. Chernobayeva, O. I. Miroshnichenko, V. P. Tomsons, V. V. Konicheva, S. V. Ivanova, T. I. Tikhonenko

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


A possible approach to control of bovine lymphoproliferative disease caused by bovine leukaemia virus (BLV) may be the development of an "antiviral information immunity" based on the effect of anti-sense RNA (asRNA). A numbers of constructs were obtained, under control of various promotors (herpesvirus thymidine kinase, T-antigen SV 40 promotor), carrying as DNA against gene X, the expression product of which is a transactivator of viral transcription from the BLV LTR promotor. As a model system for the analysis of antiviral activity of constructs developed, cloned continouos cell lines of BLV-producing FLK cells were used. The level of BLV expression in cells transfected with the constructs was determined by various parameters. Differences were detected in different clones obtained from non-transfected cells, as well as variation between transfected clones, as measured by reverse transcriptase, competitive radio-immunoassay for BLV p24, the viral particle count on agar membrane, and the tumorigenicity for nude mice. The differences in inhibition of expression of BLV genes and their product may be explained in terms of the site of intergration of asDNA and the number of integrated copies.

Original languageEnglish
Pages (from-to)361-366
Number of pages6
JournalVeterinary Microbiology
Issue number1-4
Publication statusPublished - Nov 1992
Externally publishedYes

Field of Science*

  • 1.6 Biological sciences
  • 4.3 Veterinary science

Publication Type*

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database


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