期刊
AMERICAN JOURNAL OF HUMAN GENETICS
卷 90, 期 1, 页码 119-124出版社
CELL PRESS
DOI: 10.1016/j.ajhg.2011.11.021
关键词
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资金
- Fonds Marguerite-Marie Delacroix
- Institut de Recherche Scientifique en Pathologie et Genetique
Kabuki syndrome (KS) is a rare genetic disease that causes developmental delay and congenital anomalies. Since the identification of MLL2 mutations as the primaly cause of KS, such mutations have been identified in 56%-76% of affected individuals, suggesting that there may be additional genes associated with KS. Here, we describe three KS individuals with de novo partial or complete deletions of an X chromosome gene, KDM6A, that encodes a histone demethylase that interacts with MLL2. Although KDM6A escapes X inactivation, we found a skewed X inactivation pattern, in which the deleted X chromosome was inactivated in the majority of the cells. This study identifies KDM6A mutations as another cause of KS and highlights the growing role of histone methylases and histone demethylases in multiple-congenital-anomaly and intellectual-disability syndromes.
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