Hiroshi Harayama
Kobe, 6578501, Japan
Last Updated: 09/26/2026
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Found 31 publications
Large cyclic AMP-dependent increases in tyrosine-phosphorylated proteins are not absolutely necessary for the induction of full-type hyperactivation and penetration into eggs in ejaculated boar spermatozoa in vitro.
Journal: The Journal of reproduction and development
Published: February 15, 2026
Spermatic RXFP2 expression levels and seminal INSL3 concentrations among beef bull ejaculates with different levels of sperm morphological normality.
Journal: The Journal of reproduction and development
Published: December 25, 2024
Comparative characteristics between calyculin A-induced and thimerosal-induced hyperactivation of cryopreserved bovine spermatozoa.
Journal: The Journal of reproduction and development
Published: April 21, 2023
Polyvinyl alcohol, but not bovine serum albumin, promotes the induction of full-type hyperactivation in boar cyclic AMP analog-treated spermatozoa.
Journal: Animal science journal = Nihon chikusan Gakkaiho
Published: August 14, 2022
Involvement of Ca2+-ATPase in suppressing the appearance of bovine helically motile spermatozoa with intense force prior to cryopreservation.
Journal: The Journal of reproduction and development
Published: March 03, 2022
Calmodulin is involved in the occurrence of extracellular Ca2+ -dependent full-type hyperactivation in boar ejaculated spermatozoa incubated with cyclic AMP analogs.
Journal: Animal science journal = Nihon chikusan Gakkaiho
Published: December 29, 2020
Effects of digoxin on full-type hyperactivation in bovine ejaculated spermatozoa with relatively lower survivability for incubation with stimulators of cAMP signaling cascades.
Journal: Theriogenology
Published: December 27, 2019
Characteristics of bull sperm acrosome associated 1 proteins.
Journal: Animal reproduction science
Published: October 23, 2019
Identification of isoforms of calyculin A-sensitive protein phosphatases which suppress full-type hyperactivation in bull ejaculated spermatozoa.
Journal: Theriogenology
Published: September 26, 2018
Flagellar hyperactivation of bull and boar spermatozoa.
Journal: Reproductive medicine and biology
Published: July 02, 2018
Reconsideration of the evaluation criteria for bull ejaculated sperm motility in the context of rotation.
Journal: The Journal of reproduction and development
Published: June 29, 2018
Characterization of extracellular Ca2+ -dependent full-type hyperactivation in ejaculated boar spermatozoa preincubated with a cAMP analog.
Journal: Molecular reproduction and development
Published: July 18, 2017
Last Updated: 09/26/2026