The role of X-linked FOXP3 in the autoimmune susceptibility of Turner Syndrome patients

Turner Syndrome patients have an absent second sex chromosome and a predisposition to autoimmune disease. We hypothesized that the autoimmune susceptibility in Turner Syndrome may be due to an alteration in the expression of the X-linked FOXP3 gene. FOXP3 is important in the development of regulator...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 131(2009), 1 vom: 01. Apr., Seite 139-44
1. Verfasser: Su, Maureen A (VerfasserIn)
Weitere Verfasser: Stenerson, Matthew, Liu, Weihong, Putnam, Amy, Conte, Felix, Bluestone, Jeffrey A, Anderson, Mark S
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, N.I.H., Extramural FOXP3 protein, human Forkhead Transcription Factors
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520 |a Turner Syndrome patients have an absent second sex chromosome and a predisposition to autoimmune disease. We hypothesized that the autoimmune susceptibility in Turner Syndrome may be due to an alteration in the expression of the X-linked FOXP3 gene. FOXP3 is important in the development of regulatory T cells, and complete loss of FOXP3 expression has been shown to result in severe autoimmunity. To test this hypothesis, we characterized the regulatory T cells and performed immunophenotyping on the peripheral blood leukocytes of a cohort of Turner Syndrome patients. These patients retained regulatory T cell frequency and function despite an increased prevalence of autoimmunity. Immunophenotyping revealed a decrease in the ratio of CD4 to CD8 lymphocytes. These findings suggest that the autoimmune predisposition in Turner Syndrome is not due to alterations in regulatory T cells but may be associated with a change in the proportion of T cell subsets 
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700 1 |a Stenerson, Matthew  |e verfasserin  |4 aut 
700 1 |a Liu, Weihong  |e verfasserin  |4 aut 
700 1 |a Putnam, Amy  |e verfasserin  |4 aut 
700 1 |a Conte, Felix  |e verfasserin  |4 aut 
700 1 |a Bluestone, Jeffrey A  |e verfasserin  |4 aut 
700 1 |a Anderson, Mark S  |e verfasserin  |4 aut 
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