Human Reproduction, Vol 13, 296-301, Copyright © 1998 by Oxford University Press
T Gil, JA Castilla, ML Hortas, M Redondo, F Samaniego, F Garrido, F Vergara and AJ Herruzo
Using flow cytometry, we studied the expression of the CD16 antigen by
lymphocytes present in human semen samples from three groups of patients:
60 fertile men attending for vasectomy, 60 sterile patients without
antisperm antibodies (ASA) and 18 immunological sterile patients with ASA
in their ejaculate. No significant difference was found in the
concentration of leukocytes or subpopulations of these cells (monocytes,
lymphocytes and granulocytes) between fertile, sterile without ASA and
immunological sterile groups. However, we detected a predominance of
macrophages/monocytes within the population of seminal leukocytes. No
statistically significant difference was found in the absolute number of T
and B lymphocytes between the three groups studied. However, a significant
increase in the number of CD16+ lymphocytes was observed in the ejaculate
of sterile patients with ASA as compared to the other groups. This finding
might establish an important parameter in the follow-up and prognosis of
patients with immunological sterility.
ARTICLES
Increase of large granular lymphocytes in human ejaculate containing antisperm antibodies
Servicio de Analisis Clinicos, Hospital Ntra. Sra. del Prado, Ctra. de Madrid, Talavera de la Reina (Toledo), Spain.
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