Results 141 to 150 of about 90,893 (356)

Mitochondrial dynamics during spermatogenesis [PDF]

, 2020
Mitochondrial fusion and fission (mitochondrial dynamics) are homeostatic processes that safeguard normal cellular function. This relationship is especially strong in tissues with constitutively high energy demands, such as brain, heart and skeletal ...
Varuzhanyan, Grigor, Chan, David C.
core  

Sperm Telomere Interactions Are Impaired in Testicular Cancer Before and After Adjuvant Therapy

Andrology, EarlyView.
ABSTRACT Background No study has yet explored telomere length or interaction in sperm nuclei of testicular cancer (TC) patients exposed to chemotherapy or radiotherapy. However, sperm telomere dynamics have emerged as a potential marker in male infertility.
Benoit Berby, Sylvianne Hennebicq, Jacqueline Saias, Florence Brugnon, Isabelle Berthaut, Myriam Daudin, Louis Bujan, Ludovic Dumont, Christine Rondanino, Aurélie Feraille, Nathalie Rives   +10 more
wiley   +1 more source

Reverse transcriptase inhibitors enable the generation of fertile spermatids from fetal mouse testes in vitro

Communications Biology
Organ culture systems enabling in vitro spermatogenesis from neonatal mouse testes exist, but differentiation from fetal testes shortly after sex determination remains unsuccessful.
Mayuka Nishida, Yukina Ono-Sunagare, Sayuri Kato, Yu Ishikawa-Yamauchi, Takafumi Matsumura, Mitsuru Komeya, Shogo Matoba, Kimiko Inoue, Narumi Ogonuki, Atsuo Ogura, Takehiko Ogawa, Takuya Sato   +11 more
doaj   +1 more source

Seminal Plasma Exosomal miRNA Profiling Reveals hsa‐miR‐7‐5p as a Key Regulator of Sperm Motility in Asthenozoospermia

Andrology, EarlyView.
ABSTRACT Background Asthenozoospermia is a significant contributing factor to male infertility. Accumulating evidence indicates that impaired sperm motility is closely linked to dysregulated microRNA expression during spermatogenesis. Seminal plasma exosomes are enriched with diverse microRNAs, which play pivotal roles in modulating sperm motility, the
Zhi‐Jian Zhu, Meng‐Li Cui, Wen‐Jing Yuan, Jia‐Ning Zhang, Shuo Zhang, Xi‐Qiao Yao, Ruo‐Qing Li, Jin‐Feng Li, En‐Zhong Li   +8 more
wiley   +1 more source

The Formation of the Sexual Nuclei in Lilium Martagon: II. Spermatogenesis [PDF]

, 1897
Ethel Sargant
openalex   +1 more source

Sperm competition and the evolution of spermatogenesis

, 2014
Spermatogenesis is a long and complex process that, despite the shared overall goal of producing the male gamete, displays striking amounts of interspecific diversity.
Ehmcke, Jens, Ramm, Steven A. ; https://orcid.org/, Schärer, Lukas, Wistuba, Joachim, Ramm, Steven A.   +4 more
core   +1 more source

Cryopreservation of Spermatozoa Prior and Post‐Orchiectomy in Patients With Testicular Germ Cell Cancer—Does the Timing Matter?

Andrology, EarlyView.
ABSTRACT Background Testicular germ cell cancer (TGCC) is the most frequent malignancy in young men of reproductive age. According to guidelines, semen cryopreservation should be performed prior to orchiectomy. Lack of time and local facilities as well as mental pressure are challenges in terms of fertility preservation before surgery.
Yuhe Tang, Gerald Pühse, Sabine Kliesch, Jann‐Frederik Cremers, Maria Schubert   +4 more
wiley   +1 more source

Identification of apoptotic regulators in Drosophila and their nonapoptotic roles in spermatogenesis: implications for the existence of a "caspase cassette" which regulates diverse biological processes

, 2012
Stephanie Y. Vernooy
openalex   +1 more source

Comprehensive Quantification of Oligoasthenozoospermia Induced by Obesity, Reproductive Toxicants, and Their Combination in Rat Models

Andrology, EarlyView.
ABSTRACT Background Oligoasthenozoospermia is a leading cause of male infertility and has been increasingly associated with the global surge in obesity and exposure to reproductive toxicants. Despite extensive research on each factor individually, their combined pathological effects remain poorly understood.
Yunlong Yao, Xi Zhang, Lingru Li, Yunzhi Zhang, Shuo Huang, Yulin Zong, Mingrui Li, Fufangyu Zhao, Linghui Zhu, Tianxing Li, Wenlong Sun, Mingyan Shao, Yanfei Zheng   +12 more
wiley   +1 more source

5.2.1 Spermatogenesis

, 2007
GOAL: To describe the functions of the male reproductive system.5.2 Objective: To describe the process of meiosis in male germ cells and the general structure of mature spermatozoa.5.2.1 Spermatogenesis (Animation) -At what point in life do spermatogonia
Marsh, Karen, Yearwood, Ryan, La Barbera, Andrew R.   +2 more
core