Membrane-associated protein kinase activities in seminal plasma from vasectomized men

Wilson, Merlin R.; Kaye, Keith W.; Skalický, J; Sinha, Akhouri A.

doi:10.1530/jrf.0.0830635

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1988

DOI: 10.1530/jrf.0.0830635

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Membrane-associated protein kinase activities in seminal plasma from vasectomized men

Merlin R. Wilson

Keith W. Kaye²,

J Skalický³

et al.

Abstract: Summary. Differential

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Cited by 5 publications

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Protein Kinase CK2 Activities in Human Prostatic and Seminal‐Vesicle Secretions and Seminal Plasma

WILSON,

DAVIS,

ERCOLE

et al. 1998

Journal of Andrology

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Human prostatic secretion and seminal plasma contain certain protein kinase activities. Protein kinases play important roles in regulating a vast variety of cellular functions. The objective of this study was to determine whether one of these protein kinase activities in human prostatic secretion and seminal plasma is due to CK2, a messenger‐independent, serine/threonine protein kinase that has considerable potential as a regulatory enzyme. By employing an anti‐CK2 antibody and a CK2‐specific peptide substrate, we have established that CK2 is present in these secretions. Approximately 70% of the CK2 activity present in seminal plasma of normozoospermic men (n = 49) is correlated to the number of sperm originally present in the semen. Further, both the prostate gland and the seminal vesicles are sources of CK2 activity in the seminal plasma of vasectomized men (n = 38). Although there was considerable variation between individuals in CK2 activity, the variation in repeat semen samples of the same vasectomized men (n = 6) was within 21%. There was no correlation of CK2 activity in seminal plasma with age for vasectomized (27–48 years, n = 38), oligozoospermic (28–43 years, n = 24), or normozoospermic men (26–48 years, n = 49). These data suggest that the majority of CK2 activity in the seminal plasma of normozoospermic men originates from sperm but that the prostate and seminal vesicles are accessory sex‐gland sources of this enzyme.

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Protein Kinase CK2 Activities in Human Prostatic and Seminal‐Vesicle Secretions and Seminal Plasma

WILSON,

DAVIS,

ERCOLE

et al. 1998

Journal of Andrology

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Prolongation and improvement of prostasome promotive effect on sperm forward motility

Fabiani¹,

Johansson²,

Lundkvist³

et al. 1995

European Journal of Obstetrics & Gynecology and Reproductiv

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Prostate Specific Origin of Dipeptidylpeptidase Iv (Cd-26) in Human Seminal Plasma

et al. 1998

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Membrane-associated protein kinase activities in seminal plasma from vasectomized men

Abstract: Summary. Differential

Cited by 5 publications

References 20 publications

Protein Kinase CK2 Activities in Human Prostatic and Seminal‐Vesicle Secretions and Seminal Plasma

Protein Kinase CK2 Activities in Human Prostatic and Seminal‐Vesicle Secretions and Seminal Plasma

Prolongation and improvement of prostasome promotive effect on sperm forward motility

Prostate Specific Origin of Dipeptidylpeptidase Iv (Cd-26) in Human Seminal Plasma

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