Cellular immunity to lymphocyte antigens in human infertility

Area of Science:

• Immunology
• Reproductive Medicine
• Human Leukocyte Antigens

Background:

• Cellular immunity plays a role in reproductive health.
• Human Leukocyte Antigens (HL-A) are involved in immune responses.
• Understanding immune interactions in couples is crucial for fertility assessment.

Purpose of the Study:

• To investigate cellular immunity to HL-A antigens in fertile and infertile couples.
• To determine if sensitization to husband's lymphocytes and spermatozoa correlates with infertility.
• To identify potential causes of immunization in infertile couples.

Main Methods:

• Utilized the leukocyte migration test.
• Assessed cellular immunity to HL-A antigens on husband's lymphocytes and spermatozoa.
• Compared results between fertile and infertile couples.

Main Results:

• Approximately 50% of married females showed signs of sensitization.
• No significant difference in the frequency of positive results between fertile and infertile groups.
• Infertile couples exhibited a higher number of migration indices below 0.7 and 0.6.

Conclusions:

• Sperm cells are strongly suggested as the primary cause of immunization.
• Cellular immunity to sperm-borne HL-A antigens may contribute to infertility.
• Further research into sperm immunization is warranted for reproductive health.