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Fluorimetric Techniques for the Assessment of Sperm Membranes
Published on: November 28, 2018
A quantitative objective method for the evaluation of anti-sperm cell-mediated immunity in humans
D G Dimitrov1, R Sedlák, K Nouza
1Immunobiological Laboratory, Institute for Mother and Child Care, Prague, Czechoslovakia.
Journal of Immunological Methods
|October 2, 1992
Summary
This study introduces a new assay to detect anti-sperm cell-mediated immunity (CMI), a key factor in infertility. The method accurately identifies CMI, offering a promising tool for diagnosing immunopathological infertility.
Area of Science:
- Immunology
- Reproductive Medicine
- Infertility Diagnostics
Background:
- Anti-sperm cell-mediated immunity (CMI) is a significant factor contributing to infertility in both males and females.
- Accurate and objective diagnostic methods are needed to assess CMI in infertile patients.
Purpose of the Study:
- To develop and validate a precise, objective method for evaluating anti-sperm CMI.
- To assess the association between migration inhibition and immunopathological infertility.
Main Methods:
- A one-step agarose leukocyte migration inhibition factor (LMIF) assay was employed.
- Computer-assisted image analysis was used to evaluate migration areas.
- Radial migration indexes (RMI) and area migration indexes (AMI) were computed to derive a migration index (MI) percentage.
Main Results:
- The study established optimal conditions for the LMIF assay, including leukocyte and sperm concentrations.
- Preliminary clinical data demonstrated a highly significant correlation between migration inhibition and immunopathological infertility.
- The developed method provides quantitative evaluation of anti-sperm CMI.
Conclusions:
- The described LMIF assay is a promising tool for the rapid and quantitative assessment of anti-sperm CMI.
- This method can aid in diagnosing infertility and recurrent pregnancy loss cases suspected to be of immunopathological origin.

