Ejaculates from the common marmoset (Callithrix jacchus) contain semenogelin and beta-microseminoprotein but not prostate-specific antigen

Human seminal plasma contains high concentrations of prostatic acid phosphatase (PAP), prostate‐specific antigen (PSA), beta‐microseminoprotein (MSP), semenogelin I (SgI), and semenogelin II (SgII), whereas only PAP and MSP are present in rodents. In order to gain a better understanding of the evolu...

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Published inMolecular reproduction and development Vol. 71; no. 2; pp. 247 - 255
Main Authors Valtonen-André, Camilla, Olsson, A. Yvonne, Nayudu, Penelope L., Lundwall, Åke
Format Journal Article
LanguageEnglish
Published Hoboken Wiley Subscription Services, Inc., A Wiley Company 01.06.2005
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Abstract Human seminal plasma contains high concentrations of prostatic acid phosphatase (PAP), prostate‐specific antigen (PSA), beta‐microseminoprotein (MSP), semenogelin I (SgI), and semenogelin II (SgII), whereas only PAP and MSP are present in rodents. In order to gain a better understanding of the evolution and function of semen proteins, we have studied ejaculates from the common marmoset (Callithrix jacchus)—a New World monkey. Semen samples were analyzed with SDS–PAGE, Western blotting, and isoelectric focusing. Under reducing conditions the dominating protein components appear as heterogeneous material of 55–70 kDa and distinct protein bands of 85, 17, 16, and 15 kDa. The heterogeneous material contains glycosylated material detected by an antiserum recognizing both human SgI and SgII. Southern blotting indicates that the common marmoset has genes for both SgI and SgII. There are several marmoset MSP genes, but the strong immunoreactivity against one 15 kDa semen component with pI 7.3 suggests preferential expression of one gene in the prostate. Expression of two other genes cannot be excluded as indicated by weak reaction to isoforms with pI 6.6 and 4.9. Unexpectedly, PSA was not detected by either immunological methods or activity measurements. This is in agreement with results from Southern blotting suggesting that the common marmoset might not have a PSA gene. Thus, in this study we have shown that semen coagulum proteins are present in marmoset seminal plasma, but the lack of PSA precludes a similar liquefaction as of human semen. Mol. Reprod. Dev. 71: 247–255, 2005. © 2005 Wiley‐Liss, Inc.
AbstractList Human seminal plasma contains high concentrations of prostatic acid phosphatase (PAP), prostate‐specific antigen (PSA), beta‐microseminoprotein (MSP), semenogelin I (SgI), and semenogelin II (SgII), whereas only PAP and MSP are present in rodents. In order to gain a better understanding of the evolution and function of semen proteins, we have studied ejaculates from the common marmoset (Callithrix jacchus)—a New World monkey. Semen samples were analyzed with SDS–PAGE, Western blotting, and isoelectric focusing. Under reducing conditions the dominating protein components appear as heterogeneous material of 55–70 kDa and distinct protein bands of 85, 17, 16, and 15 kDa. The heterogeneous material contains glycosylated material detected by an antiserum recognizing both human SgI and SgII. Southern blotting indicates that the common marmoset has genes for both SgI and SgII. There are several marmoset MSP genes, but the strong immunoreactivity against one 15 kDa semen component with pI 7.3 suggests preferential expression of one gene in the prostate. Expression of two other genes cannot be excluded as indicated by weak reaction to isoforms with pI 6.6 and 4.9. Unexpectedly, PSA was not detected by either immunological methods or activity measurements. This is in agreement with results from Southern blotting suggesting that the common marmoset might not have a PSA gene. Thus, in this study we have shown that semen coagulum proteins are present in marmoset seminal plasma, but the lack of PSA precludes a similar liquefaction as of human semen. Mol. Reprod. Dev. 71: 247–255, 2005. © 2005 Wiley‐Liss, Inc.
Human seminal plasma contains high concentrations of prostatic acid phosphatase (PAP), prostate-specific antigen (PSA), beta-microseminoprotein (MSP), semenogelin I (SgI), and semenogelin II (SgII), whereas only PAP and MSP are present in rodents. In order to gain a better understanding of the evolution and function of semen proteins, we have studied ejaculates from the common marmoset (Callithrix jacchus)-a New World monkey. Semen samples were analyzed with SDS-PAGE, Western blotting, and isoelectric focusing. Under reducing conditions the dominating protein components appear as heterogeneous material of 55-70 kDa and distinct protein bands of 85, 17, 16, and 15 kDa. The heterogeneous material contains glycosylated material detected by an antiserum recognizing both human SgI and SgII. Southern blotting indicates that the common marmoset has genes for both SgI and SgII. There are several marmoset MSP genes, but the strong immunoreactivity against one 15 kDa semen component with pI 7.3 suggests preferential expression of one gene in the prostate. Expression of two other genes cannot be excluded as indicated by weak reaction to isoforms with pI 6.6 and 4.9. Unexpectedly, PSA was not detected by either immunological methods or activity measurements. This is in agreement with results from Southern blotting suggesting that the common marmoset might not have a PSA gene. Thus, in this study we have shown that semen coagulum proteins are present in marmoset seminal plasma, but the lack of PSA precludes a similar liquefaction as of human semen.
Author Valtonen-André, Camilla
Lundwall, Åke
Nayudu, Penelope L.
Olsson, A. Yvonne
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Issue 2
Keywords Semen
Callithrix jacchus
Male
Ejaculate
sperm
Gene expression
Protein
Prostate specific antigen
seminal vesicle
Vertebrata
Mammalia
Adult animal
Primates
Simioidea
prostate
Seminal plasma
male reproductive tract
Comparative study
Language English
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Copyright 2005 Wiley-Liss, Inc
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PublicationTitle Molecular reproduction and development
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Wiley-Liss
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1989; 164
1998; 7
1985; 76
1990; 194
1996; 315
1996; 238
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Snippet Human seminal plasma contains high concentrations of prostatic acid phosphatase (PAP), prostate‐specific antigen (PSA), beta‐microseminoprotein (MSP),...
Human seminal plasma contains high concentrations of prostatic acid phosphatase (PAP), prostate-specific antigen (PSA), beta-microseminoprotein (MSP),...
SourceID swepub
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pascalfrancis
wiley
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SourceType Open Access Repository
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StartPage 247
SubjectTerms Animals
Biologi
Biological and medical sciences
Biological Sciences
Callithrix
Cloning, Molecular
Developmental Biology
Fundamental and applied biological sciences. Psychology
Gene Expression
Hormone metabolism and regulation
Humans
Male
male reproductive tract
Mammalian male genital system
Natural Sciences
Naturvetenskap
prostate
Prostate-Specific Antigen - genetics
Prostate-Specific Antigen - metabolism
Prostatic Secretory Proteins - genetics
Prostatic Secretory Proteins - metabolism
Semen - metabolism
seminal vesicle
Seminal Vesicle Secretory Proteins - genetics
Seminal Vesicle Secretory Proteins - metabolism
Species Specificity
sperm
Utvecklingsbiologi
Vertebrates: reproduction
Title Ejaculates from the common marmoset (Callithrix jacchus) contain semenogelin and beta-microseminoprotein but not prostate-specific antigen
URI https://api.istex.fr/ark:/67375/WNG-5DW9ZLPD-D/fulltext.pdf
https://onlinelibrary.wiley.com/doi/abs/10.1002%2Fmrd.20257
https://www.ncbi.nlm.nih.gov/pubmed/15791587
https://search.proquest.com/docview/67704841
https://lup.lub.lu.se/record/134762
Volume 71
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