Disruption Of Ovarian Function And Induction Of Apoptosis In Female Mice By Brefeldin A: Mechanistic Insights Into Reproductive Toxicity

Aging Pathway
Analytical
Brefeldin A, a compound that inhibits intracellular transport, was found to disrupt ovarian function, suppress oocyte maturation, and induce programmed cell death in female mice and porcine cells, offering insights into its reproductive toxicity.
Author

Gemini

Published

November 25, 2025

Our bodies are intricate systems, and understanding how different substances affect them is crucial for maintaining health. Recent research has shed light on the impact of a compound called Brefeldin A, or BFA, on female reproductive health. While BFA is known for its role in interfering with how cells transport materials internally, its specific effects on the ovaries, the organs responsible for producing eggs and hormones, were not fully understood. This study revealed that exposure to BFA significantly impairs ovarian function. In both young and older female mice, as well as in pig egg cells and surrounding support cells, BFA was shown to hinder the maturation of egg cells and trigger a process called apoptosis, which is a form of programmed cell death. This means that BFA can essentially cause egg cells to die off prematurely. Further investigation uncovered the underlying mechanisms. BFA was found to alter the activity of various genes, boosting those involved in cell death and reducing those that promote cell growth and longevity. It also interfered with crucial hormonal pathways, such as those involved in steroid production and estrogen signaling, which are vital for healthy ovarian function. These findings suggest that BFA could accelerate ovarian aging and contribute to reproductive problems. Understanding these effects is a significant step towards addressing potential risks of BFA exposure and developing strategies to protect female reproductive health.


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