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ウマが人の行動を認識するのは「声」と「表情」の関連から (NHK)

移動の足などとして数千年前から家畜化が進んだウマは、人の声と表情の2つを関連づけて人の行動を認識していることが北海道大学などの実験でわかりました。身近な動物が人...

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Genetic Variation in the H19-IGF2 Cluster Might Confer Risk of Developing Impaired Renal Function.

著者 Coto E , Díaz Corte C , Tranche S , Gómez J , Reguero JR , Alonso B , Iglesias S , Gil-Peña H , Yin X , Coto-Segura P
DNA Cell Biol.2018 Jun 11 ; ():.
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The H19-IGF2 imprinted gene region could be implicated in the risk of developing impaired renal function (IRF). Our aim was to determine the association of several common H19-IGF2 variants and IRF in a cohort of elderly healthy individuals. The study involved 675 individuals >65 years of age, 184 with type 2 diabetes mellitus (T2DM), and 105 with IRF (estimated glomerular filtration rate [eGFR] <60). They were genotyped for two common H19 single nucleotide polymorphisms (SNPs) (rs2839698 and rs10732516), one H19-IGF2 intergenic indel (rs201858505), and one indel in the 3'UTR of the IGF2. For the H19 SNPs, we also determined the allele present in the methylated chromosome through genotyping the DNA digested with a methylation-sensitive endonuclease. None of the four H19-IGF2 variants was associated with IRF in our cohort. We found a significantly higher frequency of the 3'UTR IGF2 deletion (D) in the eGFR <60 group (p = 0.01; odds ratio = 1.16, 95% confidence interval = 1.10-2.51). This association was independent of age and T2DM, two strong predictors of IRF. In conclusion, a common indel variant in the 3'UTR of the IGF2 gene was associated with the risk of IRF. This association could be explained by the role of IGF2 in podocyte survival, through regulation of IGF2 expression by differential binding of miRNAs to the indel sequences. Functional studies should be necessary to clarify this issue.
PMID: 29889555 [PubMed - as supplied by publisher]
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