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Preventive and Therapeutic Strategies for Bovine Leukemia Virus: Lessons for HTLV

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Author(s): Sabrina M. Rodríguez | Arnaud Florins | Nicolas Gillet | Alix De Brogniez | María Teresa Sánchez-Alcaraz | Mathieu Boxus | Fanny Boulanger | Gerónimo Gutiérrez | Karina Trono | Irene Alvarez | Lucas Vagnoni | Luc Willems

Journal: Viruses
ISSN 1999-4915

Volume: 3;
Issue: 7;
Start page: 1210;
Date: 2011;
Original page

Keywords: BLV | therapeutics | vaccines | epigenetic | eradication | control

ABSTRACT
Bovine leukemia virus (BLV) is a retrovirus closely related to the human T-lymphotropic virus type 1 (HTLV-1). BLV is a major animal health problem worldwide causing important economic losses. A series of attempts were developed to reduce prevalence, chiefly by eradication of infected cattle, segregation of BLV-free animals and vaccination. Although having been instrumental in regions such as the EU, these strategies were unsuccessful elsewhere mainly due to economic costs, management restrictions and lack of an efficient vaccine. This review, which summarizes the different attempts previously developed to decrease seroprevalence of BLV, may be informative for management of HTLV-1 infection. We also propose a new approach based on competitive infection with virus deletants aiming at reducing proviral loads.
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