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Serotonin transporter on rat platelets: levels of mRNA underlie inherited differences in uptake kinetics.

机译:大鼠血小板上的5-羟色胺转运蛋白:mRNA水平是遗传吸收动力学的基础。

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摘要

By the breeding selection for the extreme values of platelet serotonin transporter activity, two sublines of Wistar-derived rats, with constitutionally high or low platelet serotonin uptake (PSU), were previously developed. In order to study the genetic background of these inherited differences, comparative Northern blot analysis of the platelet serotonin transporter messenger RNA levels of the animals from the two sublines was performed. If the values of animals from the high-PSU subline are taken as 100%, animals from the low-PSU subline demonstrated lower values of both platelet serotonin uptake and transporter mRNA levels (amounting to 62 and 76% respectively). Correlation between platelet serotonin uptake and the respective levels of messenger RNA for the serotonin transporter (r = 0.829, P < 0.01, N = 8) points to the same direction, indicating that the process of breeding selection for the extreme values of transporter kinetics has influenced transcription mechanisms of the serotonin transporter gene.
机译:通过为血小板5-羟色胺转运蛋白活性的极值选择育种,先前已经开发了Wistar-衍生大鼠的两个亚系,其具有高或低的血小板5-羟色胺摄取(PSU)。为了研究这些遗传差异的遗传背景,对来自这两个亚系的动物的血小板5-羟色胺转运蛋白信使RNA水平进行了比较Northern印迹分析。如果将来自高PSU子系的动物的值视为100%,则来自低PSU子系的动物的血小板血清素摄取和转运蛋白mRNA水平均较低(分别为62%和76%)。血小板血清素摄取与血清素转运蛋白各自信使RNA水平之间的相关性(r = 0.829,P <0.01,N = 8)指向同一方向,表明转运蛋白动力学极值的选育过程具有影响5-羟色胺转运蛋白基因的转录机制。

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