Advances in Research on Models of Oligoasthenozoospermia

Area of Science:

• Reproductive Biology
• Toxicology
• Animal Models

Background:

• Oligoasthenozoospermia (OAT) significantly impacts global male fertility.
• Pathogenesis of OAT involves complex genetic, hormonal, environmental, and lifestyle factors.
• Animal models are crucial for studying OAT due to human study limitations.

Purpose of the Study:

• To systematically review and evaluate existing animal models for OAT research.
• To assess models based on their mechanistic basis, phenotypes, strengths, and weaknesses.
• To identify gaps and guide future development of OAT animal models.

Main Methods:

• Review of animal models induced by chemical agents, heavy metals, endocrine disruptors, physical stress, genetic modification, and nutritional imbalance.
• Analysis of models concerning their underlying mechanisms and observed phenotypic characteristics.
• Evaluation of model advantages and limitations for OAT research.

Main Results:

• A diverse range of OAT animal models have been established.
• Existing models show variability in standardization and mechanistic detail.
• Current models exhibit limitations in clinical translational value for human OAT.

Conclusions:

• Significant progress has been made in developing OAT animal models.
• There is a critical need for more standardized and mechanistically deep models.
• Future research should prioritize clinically relevant animal models for OAT pathophysiology and personalized therapies.