Why do some mice get infertile after a tiny immune trigger?
Rapid induction of autoantibodies by endogenous ovarian antigens and activated T cells: implication in autoimmune disease pathogenesis and B cell tolerance.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Autoantibodies appeared before the immune response to the injected peptide
It’s counterintuitive because the immune system typically responds first to the foreign antigen (the injected peptide), not the self-antigen. Here, the body attacked its own protein faster than it recognized the trigger.
Practical Takeaways
If you're trying to conceive and have unexplained infertility, consider discussing autoimmune markers like ZP3 antibodies with your doctor.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Autoantibodies appeared before the immune response to the injected peptide
It’s counterintuitive because the immune system typically responds first to the foreign antigen (the injected peptide), not the self-antigen. Here, the body attacked its own protein faster than it recognized the trigger.
Practical Takeaways
If you're trying to conceive and have unexplained infertility, consider discussing autoimmune markers like ZP3 antibodies with your doctor.
Publication
Journal
Journal of immunology
Year
1996
Authors
Yahuan Lou, M. McElveen, Kristine M. Garza, Kenneth Tung
Related Content
Claims (6)
In autoimmune disease, the immune system produces antibodies that target the body's own molecules and tissues.
When female mice are injected with a specific peptide from the ZP3 protein, their immune systems produce antibodies that target the native ZP3 protein, indicating that B cells in these mice do not recognize ZP3 as self and may be routinely activated by it.
Removing ovarian antigens before the immune system detects them does not stop the production of certain autoantibodies, suggesting that similar antigens present outside the ovaries can trigger this response.
In female mice, higher levels of antibodies targeting the ZP3 protein are linked to lower rates of fertility.
After immunization, antibodies targeting the ZP3 protein appear by day 7, before antibodies against a related T cell peptide are detected, showing that the immune system generates a specific type of fast-acting antibody response.