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首页> 外文期刊>Developmental disabilities research reviews. >X-linked intellectual disability: unique vulnerability of the male genome.
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X-linked intellectual disability: unique vulnerability of the male genome.

机译:X连锁智力障碍:男性基因组的独特脆弱性。

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摘要

X-linked intellectual disability (XLID) accounts for approximately 16% of males with intellectual disability (ID). This is, in part, related to the fact that males have a single X chromosome. Progress in the clinical and molecular characterization of XLID has outpaced progress in the delineation of ID due to genes on the other 22 chromosomes. Almost half of the estimated 200 XLID genes have been identified and another 20% have been regionally mapped. These advances have had immediate benefits for families, allowing for carrier testing, genetic counseling, prenatal diagnosis, and preimplantation genetic diagnosis. Additionally, the combination of clinical delineation with gene identification and the development of gene panels for screening nonsyndromal XLID has been able to limit unproductive laboratory testing. Most importantly for the patients, some of the gene discoveries have pointed to potential strategies for treatment.
机译:X连锁智障(XLID)约占智障男性(ID)的16%。这部分与男性具有单个X染色体的事实有关。由于其他22条染色体上的基因,XLID的临床和分子表征进展超过了ID描绘的进展。在估计的200个XLID基因中,几乎有一半已被识别,另外20%已被区域定位。这些进步为家庭带来了直接的好处,可以进行携带者检测,遗传咨询,产前诊断和植入前遗传学诊断。此外,将临床描述与基因鉴定相结合以及开发用于筛选非综合征性XLID的基因组的结合已经能够限制实验室的无效检测。对于患者而言,最重要的是,一些基因发现指出了潜在的治疗策略。

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