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Journal of Inherited Metabolic Disease

, Volume 36, Issue 5, pp 779–786 | Cite as

The male reproductive system in classic galactosemia: cryptorchidism and low semen volume

  • Cynthia S. Gubbels
  • Corrine K. Welt
  • John C. M. Dumoulin
  • Simon G. F. Robben
  • Catherine M. Gordon
  • Gerard A. J. Dunselman
  • M. Estela Rubio-Gozalbo
  • Gerard T. Berry
Original Article

Abstract

Previous studies examining reproductive parameters in men with galactosemia have inconsistently demonstrated abnormalities. We hypothesized that men with galactosemia may demonstrate evidence of reproductive dysfunction. Pubertal history, physical examination, hormone levels and semen analyses were examined in 26 males with galactosemia and compared to those in 46 controls. The prevalence of cryptorchidism was higher in men with galactosemia than in the general population [11.6 % vs. 1.0 % (95%CI: 0.75–1.26; p < 0.001)]. Testosterone (461 ± 125 vs. 532 ± 133 ng%; p = 0.04), inhibin B (144 ± 66 vs. 183 ± 52 pg/mL; p = 0.002) and sperm concentration (46 ± 36 vs. 112 ± 75 × 106 spermatozoa/mL; p = 0.01) were lower and SHBG was higher (40.7 ± 21.5 vs 26.7 ± 14.6; p = 0.002) in men with galactosemia compared to controls. Semen volume was below normal in seven out of 12 men with galactosemia. Men with galactosemia have a higher than expected prevalence of cryptorchidism and low semen volumes. The subtle decrease in testosterone and inhibin B levels and sperm count may indicate mild defects in Sertoli and Leydig cell function, but does not point towards severe infertility causing reproductive impairment. Follow-up studies are needed to further determine the clinical consequences of these abnormalities.

Keywords

Luteinizing Hormone Inhibin Pubertal Development Sperm Concentration Cryptorchidism 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

We would like to thank Dr. Harvey Levy and Dr. Louis J. Elsas for their assistance with the physical examinations.

Details of funding

These studies were supported by the Dutch Galactosemia Association (GVN), Parents of Galactosemic Children Association (PGCA) and the Clinical Translational Study Unit (CTSU) at Children’s Hospital Boston. The authors confirm independence from the sponsors; the content of the article has not been influenced by the sponsor

Conflict of interest

None.

Supplementary material

10545_2012_9539_MOESM1_ESM.doc (50 kb)
ESM 1 (DOC 50 kb)

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Copyright information

© SSIEM and Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  • Cynthia S. Gubbels
    • 1
  • Corrine K. Welt
    • 2
  • John C. M. Dumoulin
    • 3
  • Simon G. F. Robben
    • 4
  • Catherine M. Gordon
    • 5
    • 6
  • Gerard A. J. Dunselman
    • 7
  • M. Estela Rubio-Gozalbo
    • 8
  • Gerard T. Berry
    • 9
  1. 1.Department of Clinical GeneticsMaastricht University Medical CenterMaastrichtThe Netherlands
  2. 2.Reproductive Endocrine Unit, Massachusetts General HospitalHarvard Medical SchoolBostonUSA
  3. 3.Department of Obstetrics and Gynaecology and Center for Reproductive MedicineMaastricht University Medical CenterMaastrichtThe Netherlands
  4. 4.Department of RadiologyMaastricht University Medical CenterMaastrichtThe Netherlands
  5. 5.Divisions of Endocrinology and Adolescent MedicineHasbro Children’s Hospital and Brown UniversityProvidenceUSA
  6. 6.Children’s Hospital Boston and Harvard Medical SchoolBostonUSA
  7. 7.GROW: School for Oncology and Developmental Biology and Department of Obstetrics and GynaecologyMaastricht University Medical CenterMaastrichtThe Netherlands
  8. 8.Department of Pediatrics and Laboratory Genetic Metabolic DiseaseMaastricht University Medical CenterMaastrichtThe Netherlands
  9. 9.The Manton Center for Orphan Disease Research, Division of Genetics, Children’s Hospital BostonHarvard Medical SchoolBostonUSA

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