Article
X chromosome inactivation does not define the development of premature ovarian failure in fragile X premutation carriers.
American journal of medical genetics. Part A - 1 Feb 2010
Spath Marian A, Nillesen Willy N, Smits Arie P T, Feuth Ton B, Braat Didi D M, van Kessel Ad Geurts, Yntema Helger G
Abstract excerpt
Since only 20% of female fragile X premutation carriers develop premature ovarian failure (POF, i.e., amenorrhea before age of 40 years), and since X chromosome inactivation (XCI) determines the phenotypic severity of full mutation women, we reasoned that the development of POF in fragile X premutation carriers could be due to skewed XCI (XCI ratio >80:20). To determine inactivation ratios and activities of the...
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