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Cellular thermotolerance is associated with heat shock protein 70.1 genetic polymorphisms in Holstein lactating cows

机译:细胞耐热性与荷斯坦奶牛的热休克蛋白70.1基因多态性相关

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摘要

The present study aimed to investigate the association between inducible Hsp70.1 single nucleotide polymorphisms (SNPs) and heat shock (HS) response of peripheral blood mononuclear cells (PBMC) in dairy cows. Exposure to HS differently affected cell viability and gene and protein expression of Hsp70.1 in the selected genotypes. These results indicate that the presence of SNPs (C/- and G/T) in the 5′-UTR region of inducible Hsp70.1 ameliorates HS response and tolerance to heat of bovine PBMC. These mutation sites may be useful as molecular genetic markers to assist selection for heat tolerance.Il presente studio ha lo scopo di studiare l’associazione tra il polimorfismo genetico al locus delle Hsp70.1 e la risposta allo shock termico (ST) da caldo in linfociti ottenuti da vacche da latte. L’Esposizione allo ST ha influenzato in modo differente la vitalità cellulare e la espressione genetica e proteica delle Hsp70.1 nei diversi polimorfismi testati. I risultati indicano che la presenza di SNP (C/- e G/T) nella regione 5’-UTR delle Hsp70.1 migliora la risposta e la tolleranza allo ST. Queste mutazioni potrebbero essere utilizzate come marcatori genetici molecolari per assistere la selezione genetica verso la termo tolleranza al caldo.
机译:本研究旨在调查奶牛外周血单个核细胞(PBMC)的诱导性Hsp70.1单核苷酸多态性(SNP)与热休克(HS)反应之间的关联。在选定的基因型中,暴露于HS会不同地影响细胞活力以及Hsp70.1的基因和蛋白质表达。这些结果表明,在可诱导的Hsp70.1的5'-UTR区域中存在SNP(C /-和G / T)改善了HS响应和对牛PBMC的热耐受性。这些突变位点可用作分子遗传标记,以帮助选择耐热性,本研究旨在研究Hsp70.1基因座的遗传多态性与热对热休克反应的关系。从奶牛获得的淋巴细胞。暴露于ST会以不同的多态性影响细胞活力以及Hsp70.1的遗传和蛋白质表达。结果表明,Hsp70.1的5'-UTR区域中SNP(C /-和G / T)的存在改善了对ST的反应和耐受性。这些突变可以用作分子遗传标记,以帮助遗传选择耐热性。

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