Klinefelter syndrome (KS) is a sex aneuploidy abnormality comprised by one additional X chromosome. It occurs in 1:500–1000 male births. As with women, an increased susceptibility to autoimmune diseases is present. We report three cases of coexisting EoE and KS for a prevalence of 2% in our EoE clinic. Possible changes in gene expression in KS are reviewed, some of which may be related to activation of genes located on the X chromosome. We postulate that these X-activated genes in patients with KS yield a greater likelihood of developing EoE because of their genetic predisposition to autoimmune diseases.

Toward a potential association between eosinophilic esophagitis and Klinefelter syndrome: a case series and review of the literature

Ghisa M.;Buda A.;Savarino E.
2022

Abstract

Klinefelter syndrome (KS) is a sex aneuploidy abnormality comprised by one additional X chromosome. It occurs in 1:500–1000 male births. As with women, an increased susceptibility to autoimmune diseases is present. We report three cases of coexisting EoE and KS for a prevalence of 2% in our EoE clinic. Possible changes in gene expression in KS are reviewed, some of which may be related to activation of genes located on the X chromosome. We postulate that these X-activated genes in patients with KS yield a greater likelihood of developing EoE because of their genetic predisposition to autoimmune diseases.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11577/3440019
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