X chromosome deletions detectable by flow cytometry in some patients with steroid sulphatase deficiency (X-linked ichthyosis).

Abstract:

:The X chromosomes of individuals with isolated steroid sulphatase deficiency (X-linked ichthyosis) from ten families were studied by flow karyotype analysis. In four of the families, a small but significant reduction in the relative fluorescence of the X chromosome was detected consistent with a deletion ranging from 1.2%-3.4% of the X and amounting to a DNA loss of 1.9-5.2 million base pairs. In the remaining six families, three of which demonstrated a molecular deletion of the DNA sequence GMGX9 (DXS237), the relative fluorescence of the X chromosomes was indistinguishable from normal. The phenotypes of those with X deletions detectable by flow cytometry were similar to those of patients without such deletions.

journal_name

Hum Genet

journal_title

Human genetics

authors

Cooke A,Gillard EF,Yates JR,Mitchell MJ,Aitken DA,Weir DM,Affara NA,Ferguson-Smith MA

doi

10.1007/BF00291709

subject

Has Abstract

pub_date

1988-05-01 00:00:00

pages

49-52

issue

1

eissn

0340-6717

issn

1432-1203

journal_volume

79

pub_type

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