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X chromosome loss and ageing

Russell, L.M., Strike, P., Browne, C.E. and Jacobs, P.A. (2007) X chromosome loss and ageing Cytogenetic and Genome Research, 116, (3), pp. 181-185. (doi:10.1159/000098184).

Record type: Article


The detection of a low level 45,X cell line during routine cytogenetic analysis in an adult female can be difficult to interpret. In the absence of recent information regarding loss of the X chromosome and ageing, we undertook a prospective study. A total of 19,650 cells from 655 females aged from birth to 80 years were screened cytogenetically. The frequency of X chromosome loss ranged from 0.07% at age 65 years of age and showed a highly significant quadratic relationship between X chromosome loss and ageing (P < or = 0.00001). We have produced a graphic representation that provides a minimum baseline age-related rate of X chromosome loss. This should assist diagnostic cytogenetics laboratories to determine the significance of 45,X cell lines detected in women of all ages. We also compared the frequency of 45,X cells in women referred with at least one spontaneous abortion with those referred for other reasons and found no significant difference. Thus, in our population, an excess of 45,X cells is not associated with pregnancy loss.

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Published date: 3 October 2007
Keywords: newborn, infant, chromosomes, child, prospective studies, preschool, aging, x, adult, genetics, cytogenetics, aged, middle aged, human, abortion, age distribution, cell line, humans
Organisations: Human Genetics, Medicine


Local EPrints ID: 60197
ISSN: 1424-8581
PURE UUID: efcc80d3-e9e1-404f-8ede-793e660dbfb8

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Date deposited: 08 Sep 2008
Last modified: 17 Jul 2017 14:23

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Author: L.M. Russell
Author: P. Strike
Author: C.E. Browne
Author: P.A. Jacobs

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