Narrative ReviewHuman2025
Adverse Effects of Nicotine on Human Sperm Nuclear Proteins.
Plain-language summary
This review looked at how nicotine affects sperm function, focusing on its impact on key sperm nuclear proteins. It gathered evidence from studies on nicotine's role in sperm production and function, particularly how it alters genes involved in sperm chromatin condensation. The review found that nicotine exposure can reduce sperm count, motility, and function by disrupting the expression of genes critical for sperm nuclear proteins. These changes may impair fertility and affect the health of future generations.
Key findings
- Nicotine exposure reduces sperm count, motility, and functionality.
- Nicotine alters the expression of genes encoding sperm nuclear proteins.
- Disrupted sperm nuclear proteins may impair fertility and embryonic development.
How to analyze the study yourself
- Study type
- Narrative reviews summarize existing research on a topic but do not systematically assess study quality or pool data, so they provide a broad overview rather than definitive conclusions.
- Population
- Not reported
- Funding
- Not reported
- Takeaway
- This review found that nicotine exposure may harm sperm count, movement, and function by disrupting genes critical for sperm nuclear proteins. If you are trying to conceive, it may be worth quitting nicotine products.