Clinical Chemistry
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Clinical Chemistry 32: 153-156, 1986;
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Clinical Chemistry, Vol 32, 153-156, Copyright © 1986 by American Association for Clinical Chemistry

Measurement of transferrin in human seminal plasma by a chemiluminescent method

AL Caldini, C Orlando, T Barni, G Messeri, M Pazzagli, E Baldi and M Serio

We describe a luminescence immunoassay for measuring transferrin in human seminal plasma. Human transferrin conjugated with 7-[(N-4- aminobutyl)-N-ethylamino]naphthalene-1,2-dicarboxylic acid hydrazide was used to monitor the immunological reaction. The conjugate was stable for at least one year. The sensitivity (2 ng per tube) of the assay allows measurement of this protein in diluted seminal plasma. Results by this method (y) correlated well (r = .9681) with those by a conventional RIA method (x): y = 1.000x + 1.646 micrograms per ejaculate. Seminal transferrin concentrations are reported for normal control subjects, vasectomized subjects, and infertile patients. The method described appears suitable for measurement of seminal transferrin as an index of Sertoli cell function in male infertility.




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Copyright © 1986 by the American Association for Clinical Chemistry.