The Seminal Vesicle as the Source of the Spermatozoa-Coating Antigen of Seminal Plasma.

Weil, A. J.; Rodenburg, J. M.

doi:10.3181/00379727-109-27270

Cited by 73 publications

(29 citation statements)

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“…The removal of the antifertility effect of antisemen sera by absorption with semen supernatant argues against this. As has been reported by other workers (Weil, 1960;Weil & Rodenburg, 1962;Hunter & Hafs, 1965) …”

supporting

confidence: 81%

Origin of the Antigens in Rabbit Semen Which Induce Antifertility Antibodies

Menge¹,

Protzman²

1967

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Summary. Cattle and guinea-pig antisera against rabbit testis, epididymal spermatozoa and ejaculated semen had high titres of sperm agglutinins and prevented fertilization of ova in rabbits bred with semen treated with these sera. Although cattle antisera produced against seminal plasma from vasectomized rabbits, 9-day-old-rabbit conceptuses and rabbit brain and guinea-pig antiserum to seminal plasma containing epididymal secretions exhibited relatively high titres of sperm agglutinins, none of these sera prevented spermatozoa from fertilizing ova. The antifertility antibodies were removed or inactivated in antisera by absorptions with testis material, epididymal spermatozoa and semen supernatant but not by absorption with either type of seminal plasma.Agar-gel diffusion and immuno-electrophoretic techniques revealed that ejaculated rabbit semen contained at least nine antigens. Seven were common to seminal plasma, two to blood serum and two appeared to be spermatozoa-specific originating in the testis. Antisera to the conceptus material reacted with four to six different antigens in semen of which at least one was not common to the antigens in blood serum.

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supporting

confidence: 81%

Origin of the Antigens in Rabbit Semen Which Induce Antifertility Antibodies

Menge¹,

Protzman²

1967

Reproduction

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“…The disappearance of some seminal plasma protein fractions during storage of diluted ovine semen may be due to the fact that spermatozoa take up and bind antigenic material from the seminal plasma (Weil, 1960(Weil, , 1961Weil & Rodenburg, 1962). The protein patterns from the supernatant of sonicated ovine spermatozoa did not have fractions possessing relative mobilities similar to those seminal plasma components that disappeared during storage.…”

Section: Discussionmentioning

confidence: 92%

Effect of Storage at 5 C on the Disc Electrophoretic Patterns of Ovine and Bovine Seminal Proteins

Garner¹,

Ehlers²

1971

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Summary. Separation of ovine seminal plasma proteins in the disc electrophoretic system revealed a consistent pattern of sixteen fractions with some variation among six rams in the relative amount of minor components, whereas bovine seminal plasma had twelve fractions. In both species, the major seminal plasma components had electrophoretic mobilities somewhat less than did the albumin band of the corresponding blood plasma. The prealbumin region of the seminal plasma electrophoretograms contained four fractions in the ovine samples and three fractions in the bovine samples. Storage ofdiluted ovine and bovine semen at 5\s=deg\C did not alter the total protein concentration in the seminal plasma. Standard disc electrophoretic patterns showed that two of the sixteen ovine seminal plasma protein fractions disappeared during such storage. No changes were evident in either the standard or basic electrophoretograms of bovine seminal plasma during storage of semen. Standard disc electrophoretograms of ovine and bovine sperm extracts showed many lightly staining bands, but no progressive changes were evident in these electrophoretic patterns during storage of semen.

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“…Furthermore, Weil & Rodenburg (1960) reported that human testicular (spermatocele) spermatozoa lacked the antigens shared by seminal plasma and seminal spermatozoa. Ejaculated rabbit spermatozoa were later shown by Weil & Rodenburg (1962) to be coated with a seminal plasma protein which was not found on epididymal spermatozoa. Pernot (1956), using immuno-electrophoresis, found that guinea-pig seminal plasma contained eleven antigenic constituents while guinea-pig sperm tail extracts had seven constituents.…”

Section: Introductionmentioning

confidence: 99%