Startseite Medizin Inhibin B in adolescents and young adults with Turner syndrome
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Inhibin B in adolescents and young adults with Turner syndrome

  • Maria Francesca Messina EMAIL logo , Tommaso Aversa , Giuseppina Salzano , Daria Costanzo , Concetta Sferlazzas , Silvestro Mirabelli , Giuseppina Zirilli und Fortunato Lombardo
Veröffentlicht/Copyright: 6. November 2014

Abstract

Objective: Primary gonadal failure may occur in most individuals with Turner syndrome (TS). Since ovaries in TS girls undergo premature apoptosis and cryopreservation of ovarian tissue is now feasible, it would be useful to identify a reliable marker of ovarian reserve in these patients. We planned to evaluate ovarian function in a group of TS patients by measuring both traditional markers and inhibin B and to compare these results with those of a control group.

Study design: We enrolled 23 patients with TS and 17 age-matched healthy girls. The median age of our TS patients was 17.6 years. Three out of the 23 patients (13%) showed spontaneous pubertal development and regular menstrual cycles; the remaining 20 (86.9%) presented with primary amenorrhea.

Results: The median level of inhibin B in the TS patients with primary amenorrhea was 42 pg/mL and did not differ significantly among the different subgroups in relation to karyotype. The median inhibin B level in the control group was significantly higher than in the TS girls with primary amenorrhea (83 vs. 42 pg/mL, p<0.00001). In the three patients with TS and spontaneous menstrual cycles, the inhibin B levels were significantly higher when compared to the values of the TS girls with primary amenorrhea.

Conclusion: TS patients with primary amenorrhea have significantly lower levels of inhibin B than TS girls with spontaneous puberty and healthy controls. Inhibin B does not correlate with follicle-stimulating hormone/luteinizing hormone. If our results are confirmed in further studies, inhibin B could become a first-line screening test for assessing ovarian reserve and a longitudinal marker of the possible decline of ovarian function in TS.


Corresponding author: Dr. Maria Francesca Messina, Dipartimento di Scienze Pediatriche, Policlinico Universitario, Via Consolare Valeria 1 – 98124 Messina, Italy, Phone: +39-090-2213023, Fax: +39-090-2212143, E-mail:

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Received: 2014-6-3
Accepted: 2014-9-26
Published Online: 2014-11-6
Published in Print: 2015-11-1

©2015 by De Gruyter

Artikel in diesem Heft

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  2. Highlight: Turner syndrome
  3. Turner syndrome – working together with patients and their families
  4. Turner syndrome patients with bicuspid aortic valves and renal malformations exhibit abnormal expression of X-linked inhibitor of apoptosis protein (XIAP)
  5. Inhibin B in adolescents and young adults with Turner syndrome
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