Cellular and Molecular Mechanisms of Sperm Capacitation
A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Reproductive Cells and Development".
Deadline for manuscript submissions: 31 October 2026 | Viewed by 67
Special Issue Editors
Interests: sperm physiology; acrosome reaction; capacitation; infertility
Special Issues, Collections and Topics in MDPI journals
Interests: reproductive biology; signaling pathway; spermatogenesis; male infertility; in vitro fertilization
Special Issues, Collections and Topics in MDPI journals
Interests: signaling pathway; acrosome reaction; capacitation
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Sperm capacitation is a highly regulated biological process that enables mammalian spermatozoa to acquire fertilizing competence through a series of coordinated cellular and molecular events. This complex transformation involves dynamic remodeling of the plasma membrane, ion fluxes and activation of intracellular signaling pathways, ultimately leading to hyperactivated motility and the ability to undergo the acrosome reaction. At the molecular level, capacitation is driven by tightly controlled mechanisms, including protein phosphorylation cascades, calcium signaling and the regulation of protein turnover and localization.
Despite significant advances, many aspects of the regulatory networks governing sperm capacitation remain incompletely understood. Emerging evidence highlights the roles of post-translational modifications, protein–protein interactions and proteostasis systems in orchestrating these events. Furthermore, studies using diverse biological models continue to reveal both conserved and context-dependent mechanisms underlying this process.
This Special Issue aims to highlight recent advances in the cellular and molecular mechanisms regulating sperm capacitation, with particular emphasis on intracellular signaling pathways, membrane dynamics and functional outcomes. We welcome original research articles and reviews addressing mechanistic insights into sperm physiology, contributing to a deeper understanding of fertilization and male reproductive biology.
Dr. Patricio J. Morales
Dr. Héctor Zapata-Carmona
Dr. Milene Kong
Guest Editors
Manuscript Submission Information
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Keywords
- sperm capacitation
- acrosome reaction
- protein phosphorylation
- calcium signaling
- signal transduction
- post-translational modifications
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