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Constitutional mosaic trisomy 21 and azoospermia: a case report
Guo-hui Lu1, Janice G Edwards, Gail Whitman-Elia
1Department of Pathology and Genetics, US Labs, Irvine, CA 92602, USA. ghlu2003@yahoo.com
Summary
Low-level mosaic trisomy 21, a genetic condition, was identified in an infertile male with azoospermia. This finding suggests a potential link between mosaic trisomy 21 and late-onset testicular failure in males.
Area of Science:
- Genetics
- Reproductive Medicine
- Human Biology
Background:
- Constitutional full trisomy 21 (Down syndrome) is a known cause of impaired spermatogenesis.
- The role of constitutional mosaic trisomy 21 in male infertility, particularly azoospermia, remains largely unexplored.
Observation:
- A case study of a non-syndromic infertile male presenting with azoospermia is reported.
- This patient was found to have a low-level constitutional mosaic trisomy 21.
Findings:
- The presence of mosaic trisomy 21 in an azoospermic male is a novel observation.
- A potential correlation between low-level mosaic trisomy 21 and the development of azoospermia is proposed.
Implications:
- This case suggests that mosaic trisomy 21 may contribute to male infertility through late-onset testicular failure.
- Further research is warranted to elucidate the mechanisms linking mosaic trisomy 21 to spermatogenic dysfunction and infertility.