Quantile-specific heritability of serum growth factor concentrations.

Quantile-specific heritability of serum growth factor concentrations.
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DOI:
10.1080/08977194.2022.2049261
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发表时间:
2021-02
期刊:
Growth factors (Chur, Switzerland)
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其他
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当遗传变异的效应大小取决于表型(例如生长因子浓度)相对于其分布是高还是低时,发生“分位数依赖表达性”。分位数回归分析应用于Frachial Heart研究的家族集,以确定血管内皮生长因子(VEGF)、肝细胞生长因子(HGF)、血管生成素-2和血管生成素-2(sTie-2)以及VEGF R1(sFlt-1)受体浓度的遗传度(h2)是否具有分位数特异性。分位数特异性h2(±SE)随着年龄和性别校正的VEGF(Ptrend<10−16)、HGF(Ptrend=0.0004)、促血管生成素-2(Ptrend=0.0002)、sTie-2(Ptrend=1.2×10−5)和sFlt-1(Ptrend=0.04)分布的增加而增加。VEGF、HGF、血管生成素-2、sTie-2和sFlt-1浓度的遗传力是分位数依赖性的。这可能解释了报告的遗传位点(rs 10738760、rs 9472159、rs 833061、rs3025039、rs 2280789、rs 1570360、rs 2010963)与代谢综合征、饮食、复发性流产、肝细胞癌、丹毒、糖尿病视网膜病变和贝伐珠单抗治疗对VEGF浓度的影响的相互作用。
“Quantile-dependent expressivity” occurs when the effect size of a genetic variant depends upon whether the phenotype (e.g. growth factor concentration) is high or low relative to its distribution. Quantile-regression analysis was applied to family sets from the Framingham Heart Study to determine whether the heritability (h2) of vascular endothelial growth factor (VEGF), hepatocyte growth factor (HGF), angiopoietin-2, and angiopoietin-2 (sTie-2) and VEGFR1 (sFlt-1) receptor concentrations were quantile-specific. Quantile-specific h2 (±SE) increased with increasing percentiles of the age- and sex-adjusted VEGF (Ptrend<10−16), HGF (Ptrend=0.0004), angiopoietin-2 (Ptrend=0.0002), sTie-2 (Ptrend=1.2×10−5), and sFlt-1 distributions (Ptrend=0.04). Heritabilities of VEGF, HGF, angiopoitein-2, sTie-2 and sFlt-1 concentrations are quantile-dependent. This may explain reported interactions of genetic loci (rs10738760, rs9472159, rs833061, rs3025039, rs2280789, rs1570360, rs2010963) with metabolic syndrome, diet, recurrent miscarriage, hepatocellular carcinoma, erysipelas, diabetic retinopathy and bevacizumab treatment in their effect on VEGF concentrations.
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