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Immunological Profile and Autoimmunity in Turner Syndrome
Author(s) -
Roopa Kanakatti Shankar
Publication year - 2020
Publication title -
hormone research in paediatrics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.816
H-Index - 89
eISSN - 1663-2826
pISSN - 1663-2818
DOI - 10.1159/000512904
Subject(s) - turner syndrome , isochromosome , immune system , autoimmunity , biology , x chromosome , genetics , epigenetics , chromosome , immunology , phenotype , genotype , disease , gene , karyotype , medicine , endocrinology
Turner syndrome (TS), characterized by the partial or complete absence of an X-chromosome, provides a unique insight into the role of the X-chromosome and the immune system. While women have a 10-fold higher incidence of autoimmune disease (AD) compared with men, the risk in women with TS is thought to be further doubled. TS is associated with a propensity for a wide variety of ADs that increase in incidence across the life span. Isochromosome Xq as well as isolated Xp deletion karyotypes may predispose to higher rates of AD in TS suggesting the impact of X-chromosome gene dosage. It is likely, however, that epigenetic changes across the genome and the hormonal milieu may also have a profound impact on the immune profile in TS. This review explores the immune phenotype and the spectrum of ADs in TS. Genotype-phenotype correlations are presented with a brief overview of the genetic and hormonal underpinnings.

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