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Low-dose radiation-induced risk in spermatogenesis
Hisanori Fukunaga1, Karl T Butterworth1, Akinari Yokoya2
1a Centre for Cancer Research and Cell Biology , Queen's University Belfast , Belfast , UK.
International Journal of Radiation Biology
|August 3, 2017
Summary
Low-dose radiation may impact male fertility and sperm production. Further research is needed to understand radiation damage mechanisms and transgenerational effects on spermatogonial stem cells (SSCs).
Area of Science:
- Reproductive Biology
- Radiation Biology
- Toxicology
Background:
- Spermatogenesis is crucial for male fertility and genomic stability.
- Male fertility is susceptible to environmental, chemical, and physical factors, including ionizing radiation.
- Mammalian testes are radiosensitive, but low-dose radiation effects on spermatogenesis and transgenerational impacts from SSC exposure are not fully understood.
Purpose of the Study:
- To review low-dose radiation risks to male fertility.
- To explore mechanisms of radiation-induced damage to spermatogenesis.
- To examine epidemiological data on environmental radiation and sperm parameters, and transgenerational effects from SSC exposure.
Main Methods:
- Literature review and synthesis of experimental and epidemiological data.
- Focus on spermatogenesis, sperm parameters, and spermatogonial stem cells (SSCs).
- Analysis of molecular mechanisms and transgenerational effects.
Main Results:
- Low-dose radiation poses risks to male fertility and spermatogenesis.
- Mechanisms of radiation-induced damage require further elucidation.
- Evidence on transgenerational effects from SSC exposure remains controversial.
Conclusions:
- Further research integrating experimental and epidemiological data is necessary to clarify low-dose radiation effects on spermatogenesis.
- Understanding these effects is crucial given current concerns about environmental radiation exposure.
- Elucidating risks to male fertility and potential transgenerational impacts is a key research priority.
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