Results 41 to 50 of about 17,740 (206)

Isolation and Characterization of Highly Pure Type A Spermatogonia From Sterlet (Acipenser ruthenus) Using Flow-Cytometric Cell Sorting

Frontiers in Cell and Developmental Biology, 2021
Sturgeons are among the most ancient linages of actinopterygians. At present, many sturgeon species are critically endangered. Surrogate production could be used as an affordable and a time-efficient method for endangered sturgeons. Our study established
Xuan Xie, Tomáš Tichopád, Galina Kislik, Lucie Langerová, Pavel Abaffy, Radek Šindelka, Roman Franěk, Michaela Fučíková, Christoph Steinbach, Mujahid Ali Shah, Ivo Šauman, Ivo Šauman, Fan Chen, Martin Pšenička   +13 more
doaj   +1 more source

Histological Characterization and Comparative Transcriptomic Analysis of Gonads During Early Sex Differentiation in the Northern Snakehead (Channa argus)

Animal Research and One Health, EarlyView.
This study delineates the early sex differentiation timeline in the northern snakehead (Channa argus). These findings provide a foundation for future sex‐control breeding in this economically important species. ABSTRACT The northern snakehead (Channa argus) is an economically important aquaculture species in China.
Chaonan Sun, Donglei Sun, Haishen Wen, Xin Qi, Chao Li, Xiaoyan Zhang, Yun Li   +6 more
wiley   +1 more source

Transfer of a Mouse Artificial Chromosome into Spermatogonial Stem Cells Generates Transchromosomic Mice

Stem Cell Reports, 2017
The introduction of megabase-sized large DNA fragments into the germline has been a difficult task. Although microcell-mediated chromosome transfer into mouse embryonic stem cells (ESCs) allows the production of transchromosomic mice, ESCs have unstable ...
Takashi Shinohara, Kanako Kazuki, Narumi Ogonuki, Hiroko Morimoto, Shogo Matoba, Kei Hiramatsu, Kazuhisa Honma, Teruhiko Suzuki, Takahiko Hara, Atsuo Ogura, Mitsuo Oshimura, Mito Kanatsu-Shinohara, Yasuhiro Kazuki   +12 more
doaj   +1 more source

A change in the frequency of the degenerating spermatogonia in the rat [PDF]

Reproduction, 1980
Summary. In right and left testes of the same animals, the frequencies of degeneration of type A spermatogonia were almost equal. When one testis was removed, there was a negative correlation of the frequency of the degenerating spermatogonia in this testis and the other after 25 days.
S, Ohwada, H, Tamate
openaire   +2 more sources

Heat Stress in Quail: Impacts on Health and Productivity, and Mitigation Strategies

Animal Research and One Health, EarlyView.
Heat stress disrupts physiological homeostasis in quail, inducing oxidative stress, immune dysregulation, and metabolic imbalance, which impair growth, reproduction, product quality, and welfare. Integrating nutritional, environmental, and genetic–epigenetic strategies enhances thermotolerance, sustains productivity, and supports climate‐smart quail ...
T. A. Eletu, I. A. Anjola, L. O. Fasasi, D. P. Fadipe, A. T. Afuye, F. O. Fasanya, O. E. Oke   +6 more
wiley   +1 more source

Effect of Vasectomy on the Testosterone Levels and Testicular Structures in Bucks for Long Term [PDF]

The Iranian Journal of Veterinary Science and Technology
This study was conducted on 12 adults local crossbreed Bucks to investigate the long-term effect of the vasectomy on Testosterone levels, sexual efficiency, and testicular structures.
Dhurghamh alhaideri, Hussein Ibraheim
doaj   +1 more source

Epigenetic Regulation of TET1-SP1 During Spermatogonia Self-Renewal and Proliferation

Frontiers in Physiology, 2022
Spermatogonia are the source of spermatogenic waves. Abnormal spermatogonia can cause ab-normal spermatogenic waves, which manifest as spermatogenic disorders such as oligospermia, hypospermia, and azoospermia.
Lingling Liu, Jin Wang, Shenghua Wang, Mudi Wang, Yuanhua Chen, Liming Zheng   +5 more
doaj   +1 more source

Use of Clotrimazole in Finfish Aquaculture: Mechanistic Insights, Limitations, and Future Directions for Antifungal Therapy

Animal Research and One Health, EarlyView.
This review critically evaluates clotrimazole as a potential antifungal for finfish aquaculture, highlighting strong mechanistic and in vitro efficacy against aquatic mycoses alongside major gaps in in vivo evidence, toxicokinetics, residue safety, and environmental risk, outlining priorities for responsible therapeutic development and regulatory ...
Arya Sen, Debashri Mondal, Thangapalam Jawahar Abraham   +2 more
wiley   +1 more source

Cracd Marks the First Wave of Meiosis during Spermatogenesis and Is Mis-Expressed in Azoospermia Mice

Journal of Developmental Biology, 2020
Testicular development starts in utero and maturation continues postnatally, requiring a cascade of gene activation and differentiation into different cell types, with each cell type having its own specific function.
Paige L. Snider, Olga Simmons, Simon J. Conway   +2 more
doaj   +1 more source

Heat stress in spermatogenesis: a redox‐dependent decision network linking ROS, autophagy, and regulated cell death

Biological Reviews, EarlyView.
ABSTRACT Heat stress (HS) is an increasing threat to male reproductive health, disrupting spermatogenesis through complex and interdependent cellular responses within the seminiferous epithelium. Although excessive reactive oxygen species (ROS) production is a hallmark of HS, ROS also act as central regulators of cell fate decisions beyond their role ...
Ribrio Ivan Tavares Pereira Batista
wiley   +1 more source