Autoimmunity and Turner's syndrome

Ana Lleo, Luca Moroni, Lisa Caliari, Pietro Invernizzi

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Turner Syndrome (TS) is a common genetic disorder, affecting female individuals, resulting from the partial or complete absence of one sex chromosome, and occurring in approximately 50 per 100,000 liveborn girls. TS is associated with reduced adult height and with gonadal dysgenesis, leading to insufficient circulating levels of female sex steroids and to infertility. Morbidity and mortality are increased in TS but average intellectual performance is within the normal range. TS is closely associated to the presence of autoantibodies and autoimmune diseases (AID), especially autoimmune thyroiditis and inflammatory bowel disease. Despite the fact that the strong association between TS and AID is well known and has been widely studied, the underlying immunopathogenic mechanism remains partially unexplained. Recent studies have displayed how TS patients do not show an excess of immunogenic risk markers. This is evocative for a higher responsibility of X-chromosome abnormalities in the development of AID, and particularly of X-genes involved in immune response. For instance, the long arm of the X chromosome hosts a MHC-locus, so the loss of that region may lead to a deficiency in immune regulation.Currently no firm guidelines for diagnosis exist. In conclusion, TS is a condition associated with a number of autoimmune manifestations. Individuals with TS need life-long medical attention. As a consequence of these findings, early diagnosis and regular screening for potential associated autoimmune conditions are essential in the medical follow-up of TS patients.

Original languageEnglish (US)
JournalAutoimmunity Reviews
Volume11
Issue number6-7
DOIs
StatePublished - May 2012

Fingerprint

Turner Syndrome
Autoimmunity
Autoimmune Diseases
X Chromosome
Gonadal Dysgenesis
Autoimmune Thyroiditis
Inborn Genetic Diseases
Sex Chromosomes
Inflammatory Bowel Diseases
Chromosome Aberrations
Autoantibodies
Infertility
Early Diagnosis
Reference Values
Steroids
Guidelines
Morbidity
Mortality

Keywords

  • Autoimmunity
  • Genetic factors
  • HLA
  • Turner Syndrome
  • X chromosome

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Lleo, A., Moroni, L., Caliari, L., & Invernizzi, P. (2012). Autoimmunity and Turner's syndrome. Autoimmunity Reviews, 11(6-7). https://doi.org/10.1016/j.autrev.2011.11.015

Autoimmunity and Turner's syndrome. / Lleo, Ana; Moroni, Luca; Caliari, Lisa; Invernizzi, Pietro.

In: Autoimmunity Reviews, Vol. 11, No. 6-7, 05.2012.

Research output: Contribution to journalArticle

Lleo, A, Moroni, L, Caliari, L & Invernizzi, P 2012, 'Autoimmunity and Turner's syndrome', Autoimmunity Reviews, vol. 11, no. 6-7. https://doi.org/10.1016/j.autrev.2011.11.015
Lleo, Ana ; Moroni, Luca ; Caliari, Lisa ; Invernizzi, Pietro. / Autoimmunity and Turner's syndrome. In: Autoimmunity Reviews. 2012 ; Vol. 11, No. 6-7.
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