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Molecular genetics of genomic disorders associated and mental retardation Takako Ohata 1,2 , Naomichi Matsumoto 1 1Department of Human Genetics, Yokohama City University Graduate School of Medicine 2Department of Medical Genetics, Kitasato University Graduate School of Medical Science Keyword: ゲノム病 , 知的発達障害 , MR , 非対立性相同組み換え , NAHR , LCR pp.760-769
Published Date 2006/10/10
DOI https://doi.org/10.11477/mf.1431100396
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 Mental retardation(MR)is found in 2-3% of general human population. Various genetic and environmental factors are supposed to cause MR, but approximately half of MR cases remain unexplained. Advent of understanding of genomic disorders as well as new technologies opened up a new landscape of MR etiology. Genomic disorder is defined as a disease that is caused by an alteration of the genome that results in complete loss, gain or disruption of the structural integrity of a dosage sensitive gene(s). In this article, genomic disorders and MR are briefly reviewed and new technologies such as microarray CGH used for MR researches are described.


Copyright © 2006, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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