Sperm-associated and circulating IgA and IgG classes of antibodies recognise different antigens on the human sperm plasma membrane.


IgA and IgG antibodies eluted from the surface of spermatozoa obtained from 11 infertile men were used to analyse the antigens defined by each class of sperm-associated antibodies. An enhanced chemiluminescent Western blot technique was developed to detect the low concentrations of immunoglobulins present in the eluted samples. The same analysis was… (More)


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