Results 51 to 60 of about 1,728 (186)

Effects of Fscb/Cabyr double gene knockout on reproductive capacity in male mice

open access: yesDi-san junyi daxue xuebao, 2021
Objective To evaluate the value of CABYR protein and its complex with FSCB in maintaining sperm fertilization ability and investigate the possible mechanism of physiological function of the coruplex by observing the natural fertility of Fscb/Cabyr double
LI Zhongtai   +6 more
doaj   +1 more source

Investigation of the effect of diazinon on CatSper 1 gene expression, sperm motility and germinal epithelium thickness in adult male mice [PDF]

open access: yesمجله علمی دانشگاه علوم پزشکی کردستان, 2020
Background and Aim: Genetic changes and mutations in the genes involved in spermatogenesis can occur by environmental and congenital factors. Considering, the extensive use of diazinon in the farms and because we found no study on the effects of diazinon
hamid reza faragnezhad   +4 more
doaj   +1 more source

Molecular Mechanism Underlying the Action of Zona-pellucida Glycoproteins on Mouse Sperm

open access: yesFrontiers in Cell and Developmental Biology, 2020
Mammalian oocytes are enveloped by the zona pellucida (ZP), an extracellular matrix of glycoproteins. In sperm, stimulation with ZP proteins evokes a rapid Ca2+ influx via the sperm-specific, pH-sensitive Ca2+ channel CatSper.
Melanie Balbach   +14 more
doaj   +1 more source

Transmission Ratio Distortion Detection Using Microsatellite and Single Nucleotide Polymorphism Markers in Hanwoo of Gyeongnam Province

open access: yesAnimal Genetics, Volume 57, Issue 2, April 2026.
ABSTRACT This study aimed to identify and compare transmission ratio distortion (TRD) patterns using microsatellite (MS) markers and single nucleotide polymorphism (SNP) markers in a Hanwoo population from Gyeongnam Province. The objective was to construct parent‐offspring trios and investigate TRD patterns that may influence mortality and economic ...
Ji‐Yeong Kim   +3 more
wiley   +1 more source

Expression of Sperm-specific Cation Channel CatSper in Human Spermatozoa [PDF]

open access: yes, 2004
PURPOSE: We aimed to elucidate the expression and intracellular localization of sperm-specific cation channel CatSper in human spermatozoa. Moreover, the relationship between the expression of CatSper mRNA and the motility of ejaculated human spermatozoa
최형기
core  

The Oxytocin Receptor in Spermatozoa May Originate From Both Spermatogenesis and Epididymal Maturation, and Regulates Capacitation

open access: yesAndrology, Volume 14, Issue 3, Page 747-765, March 2026.
Abstract Background The oxytocin receptor (OR) is a G‐protein‐coupled receptor recently identified in human spermatozoa, whose origin and role in sperm physiology remain unknown. Objectives In this study, using the pig as a model, we examine the presence of the OR in ejaculated spermatozoa through immunofluorescence and immunoblotting, and investigate ...
Jesús Martínez‐Hernández   +9 more
wiley   +1 more source

Calpain‐1 and Cholesterol Regulate the Dynamics of the Lipid Membrane Domains Essential for Suitable Capacitation and Acrosomal Reactions

open access: yesJournal of Cellular Physiology, Volume 241, Issue 2, February 2026.
The role of calpain‐1 and cholesterol during capacitation. The activation of calpain‐1 and cholesterol redistribution directs distinct events involved in capacitation, including the degradation of the spectrin cytoskeleton, protein phosphorylation at Tyr, actin polymerization, lipid rafts remodeling, and calcium influx, among others. ABSTRACT Calpain‐1
Aide A. Muñoz‐Sánchez   +5 more
wiley   +1 more source

Estudio de la activación del canal de calcio CatSper en espermatozoides ovinos [PDF]

open access: yes, 2022
El calcio es un catión que actúa como agente señalizador fundamental para que los espermatozoides adquieran capacidad fecundante, dado que participa en los procesos de capacitación, hiperactivación, quimiotaxis y reacción acrosómica.
Brú Albesa, Marcos   +2 more
core  

Deciphering mRNA Translation During Sperm Capacitation: A New Frontier in Fertility Research

open access: yesMolecular Reproduction and Development, Volume 93, Issue 2, February 2026.
ABSTRACT Male infertility accounts for approximately 50% of infertility cases, with nearly 30% remaining unexplained after standard evaluations. This highlights the need for a better understanding of sperm function to advance diagnostic and therapeutic strategies. Sperm were long considered translationally quiescent; however, emerging evidence suggests
Saurabh Tiwari   +2 more
wiley   +1 more source

DataSheet1_The action of physiological and synthetic steroids on the calcium channel CatSper in human sperm.docx

open access: yes, 2023
The sperm-specific channel CatSper (cation channel of sperm) controls the intracellular Ca2+ concentration ([Ca2+]i) and plays an essential role in sperm function.
Francesco Luigi Gervasio (1357401)   +9 more
core   +1 more source

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