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研究脆性X综合征——这是对某些自闭症及智力迟钝病例的一种基因触发因子——的研究人员发现,信使RNA(mRNA)对该病的发病起着某种关键性的作用。以往的研究显示,某种被称作CGG三核苷酸重复序列的特别的核苷酸三联体的异常扩增可令脆性X智力迟
Researchers studying Fragile X syndrome, a gene-triggered factor in some cases of autism and mental retardation, have found that messenger RNA (mRNA) plays a crucial role in the pathogenesis of the disease . Previous studies have shown that anomalous amplification of a particular triplet of nucleotides called CGG trinucleotide repeats can result in a fragile X IQ