期刊
HLA
卷 99, 期 2, 页码 105-112出版社
WILEY
DOI: 10.1111/tan.14503
关键词
BoLA-DRB3; bovine leukemia virus; proviral load; susceptibility; Vietnamese dairy cattle
This study provides the first evidence that BoLA-DRB3*12:01 is associated with high PVL in Vietnamese HF crossbred cattle, which may be useful in disease control and eradiation for BLV through genetic selection.
Bovine leukemia virus (BLV) is the causative agent of enzootic bovine leukosis. Polymorphism in bovine leukocyte antigen (BoLA)-DRB3 allele can influence the host immune response to pathogens, including BLV. However, association between specific BoLA-DRB3 alleles and BLV proviral load (PVL), which is a useful index for estimating disease progression and transmission risk, in Vietnamese cattle are unknown. Here, association study of BoLA-DRB3 allele frequency between cattle with high or low PVL demonstrated BoLA-DRB3*12:01 associates with high PVL in Vietnamese Holstein Friesian (HF) crossbred cattle. This is the first study to demonstrate that BoLA-DRB3 polymorphism confers susceptibility to BLV high PVL in HF crossbred kept in Vietnam. Our results may be useful in disease control and eradiation for BLV through genetic selection.
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