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Global warming and testis function: A challenging crosstalk in an equally challenging environmental scenario
Luca De Toni1, Federica Finocchi1, Kenda Jawich2,3
1Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Padova, Italy.
Frontiers in Cell and Developmental Biology
|February 2, 2023
Summary
Environmental pollution and rising temperatures negatively impact male reproductive health. Heat stress specifically harms testicular function, affecting sperm production and hormone synthesis in humans and animals.
Area of Science:
- Environmental Science
- Reproductive Biology
- Toxicology
Background:
- Environmental pollution poses significant health risks to humans and animals.
- Rising global temperatures due to greenhouse gas emissions are a major concern.
- Heat stress is known to adversely affect reproductive health.
Purpose of the Study:
- To evaluate the impact of environmental temperature on testicular function.
- To discuss thermoregulation and heat stress effects on the testes.
- To critically assess the link between global warming and declining male fertility.
Main Methods:
- Literature review of existing studies on heat stress and testicular function.
- Analysis of data on spermatogenesis and steroidogenesis under thermal stress.
- Evaluation of epidemiological studies on global warming and male reproductive health.
Main Results:
- Heat stress detrimentally affects spermatogenetic and steroidogenetic processes in the testes.
- The testes' external location makes them vulnerable to environmental temperature fluctuations.
- Evidence suggests a potential association between rising environmental temperatures and reduced testicular function.
Conclusions:
- Environmental temperature significantly influences testicular function and male reproductive health.
- Understanding thermoregulation is crucial for assessing heat stress impacts.
- Further research is needed to confirm the link between global warming and secular trends in male fertility.
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