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The Xg blood group system : no longer forgotten

Lee, Yan Q. LU ; Storry, Jill R. LU and Olsson, Martin L. LU orcid (2020) In Immunohematology 36(1). p.4-6
Abstract

This update of the Xg blood group system (Johnson NC. XG: The forgotten blood group system. Immunohematology 2011;27:68-71) notes the identification of a cis-regulatory element of both XG and CD99 expression, remarkably by two independent groups during 2018, and confirmed by another in 2019. A single nucleotide change at the XG locus (rs311103) abolishes GATA1 binding and suppresses both XG and CD99. The last blood group system to resist elucidation of its genetic basis was thereby resolved. Soon afterwards, it was discovered that the rare anti-Xga response, mainly seen in men, is produced by individuals primarily carrying a large deletion in the X chromosome that truncates XG and leads to the Xgnull phenotype.

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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Immunohematology
volume
36
issue
1
pages
3 pages
publisher
American Red Cross
external identifiers
  • pmid:32324038
  • scopus:85083947930
ISSN
0894-203X
language
English
LU publication?
yes
id
522540ec-342d-4ea9-97be-466f47af82dd
date added to LUP
2020-05-28 12:17:01
date last changed
2024-09-04 23:53:19
@article{522540ec-342d-4ea9-97be-466f47af82dd,
  abstract     = {{<p>This update of the Xg blood group system (Johnson NC. XG: The forgotten blood group system. Immunohematology 2011;27:68-71) notes the identification of a cis-regulatory element of both XG and CD99 expression, remarkably by two independent groups during 2018, and confirmed by another in 2019. A single nucleotide change at the XG locus (rs311103) abolishes GATA1 binding and suppresses both XG and CD99. The last blood group system to resist elucidation of its genetic basis was thereby resolved. Soon afterwards, it was discovered that the rare anti-Xga response, mainly seen in men, is produced by individuals primarily carrying a large deletion in the X chromosome that truncates XG and leads to the Xgnull phenotype.</p>}},
  author       = {{Lee, Yan Q. and Storry, Jill R. and Olsson, Martin L.}},
  issn         = {{0894-203X}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{4--6}},
  publisher    = {{American Red Cross}},
  series       = {{Immunohematology}},
  title        = {{The Xg blood group system : no longer forgotten}},
  volume       = {{36}},
  year         = {{2020}},
}