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Updated: Jun 19, 2026
08:48
Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects
Published on: April 21, 2022
Environmental and external stressors of postejaculatory sperm function
1Department of Animal Sciences, University of Florida, Gainesville, FL 32611, USA.
The Journal of Reproduction and Development
|June 17, 2026
Summary
Environmental stressors can impact mature sperm, causing subfertility. Recent evidence shows these insults may also cause epigenetic modifications affecting early development, highlighting the importance of paternal environmental exposures.
Area of Science:
- Reproductive Biology
- Environmental Health
- Epigenetics
Background:
- Mature spermatozoa are highly specialized cells with unique chromatin structures.
- Sperm function is primarily regulated by posttranslational modifications due to lack of transcription/translation.
- Environmental stressors can cause subtle sperm defects leading to idiopathic subfertility.
Purpose of the Study:
- To investigate the impact of environmental stressors on sperm function and epigenetic modifications.
- To understand the consequences of these modifications on preimplantation development.
- To highlight the understudied area of environmental impacts on paternal contributions to early development.
Main Methods:
- Analysis of sperm structure and function following acute environmental or pharmacologic exposure.
- Assessment of epigenetic modifications in spermatozoa.
- Evaluation of preimplantation development following fertilization with exposed sperm.
Main Results:
- Transient exposure to environmental stressors can induce subtle sperm phenotypes.
- These exposures can lead to epigenetic modifications in sperm.
- Epigenetic changes in sperm have consequences for early embryonic development.
Conclusions:
- Environmental insults to postejaculatory sperm can have epigenetic consequences.
- Paternal environmental exposures may impact early development through epigenetic mechanisms.
- Further research is needed on environmental, dietary, and pharmaceutical influences on paternal contributions to offspring health.
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