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Salt substitution is a promising but unproven intervention for stroke management
Salt substitution promising stroke management
2018/11/20
In this issue of the Journal, Pan et al. (1) report beneficial effects on recovery after stroke with 6 mo of the postacute use of a salt substitute. The trial switched regular salt (sodium chloride) f...
UMass Amherst Study of Bee Health Finds No Natural Medicine in Once-Promising Compound
UMass Amherst Study Bee Health No Natural Medicine Once-Promising Compound
2017/9/5
A new study of possible self-medicating behavior in bumble bees conducted by researchers at the University of Massachusetts Amherst reports that a once-promising finding was not supported by further e...
RNA干涉及其应用前景RNA Interference and Its Promising Future
RNA干涉 小干涉RNA 转录后基因沉默 Dicer酶 RdRP活性 功能基因组
2007/12/30
摘要RNA干涉是指由特定双链RNA(dsRNA)引起的转录后基因沉默现象。研究表明，Dicer断裂dsRNA产生的小干涉RNA可以抑制哺乳动物体细胞和胚胎中的基因的表达。 RdRP在扩增RNAi中起着关键性的作用,RdRP活性复制较长的触发性dsRNA或以一种非引物的方式复制短的siRNA，即以siRNA为引物的RdRP反应使靶mRNA转变为dsRNA，同时复制触发性dsRNA。 所有的产物又可作...