Results 51 to 60 of about 13,306 (243)

The impact of hydroalcoholic extracts of Peganum harmala and Piper longum on pituitary- gonad axis hormone levels of male NMRI mice

یافته‌های نوین در علوم زیستی, 2017
Several therapeutic effects have been reported for Peganum harmala and Piper longum. These plants contain flavonoids that probably can affect reproductive endocrine system and reduce fertility.
Namdar Yousefvand, Delaram Eslimi Esfahani, Tayebeh Bahrami   +2 more
doaj  

Paternal Exposure to the Neonicotinoid Pesticide Clothianidin Alters Sperm MicroRNA Profiles in Mice and Intergenerationally Reduces Locomotor Activity in Male Offspring

Journal of Applied Toxicology, EarlyView.
ABSTRACT Accumulating evidence suggests that paternal environmental factors have epigenetic effects on sperm and influence offspring. Neonicotinoid pesticides (NNs), which are widely used around the world, are known to affect offspring phenotypes through maternal exposure in mice, but the effect of the paternal exposure remains unknown.
Makiko Ito, Tetsushi Hirano, Sarika Nunobiki, Ayano Yoshimoto, Yukako Hara, Yuya Ishida, Sakura Yonoichi, Youhei Mantani, Toshifumi Yokoyama, Yoshiaki Tabuchi, Yoshinori Ikenaka, Nobuhiko Hoshi   +11 more
wiley   +1 more source

Actin Binding Proteins, Spermatid Transport And Spermiation

, 2014
The transport of germ cells across the seminiferous epithelium is composed of a series of cellular events during the epithelial cycle essential to the completion of spermatogenesis.
Qian, Xiao-jing, Cheng, Yan Ho, Mruk, Dolores D., Han, Daishu, Lee, Will M., Lee, WWM, Cheng, CY, Mruk, DD, Cheng, Y-H, Qian, X, TANG, EIY, Cheng, C. Yan, Tang, Elizabeth I., Wong, WPE, Wong, Elissa W.P., Han, D   +15 more
core   +1 more source

Spermiogenesis and spermatozoa ultrastructure in five species of the Curimatidae with some considerations on spermatozoal ultrastructure in the Characiformes

Neotropical Ichthyology
Spermiogenesis in the curimatid species, Steindachnerina insculpta, Cyphocharax gillii, C. modestus, C. spilotus, and Potamorhina altamazonica, is characterized by lateral development of the flagellum, nuclear rotation, eccentric nuclear fossa formation,
Irani Quagio-Grassiotto, Maria Carolina Gameiro, Tatiana Schneider, Luiz Roberto Malabarba, Claudio Oliveira   +4 more
doaj   +1 more source

Effect of transient scrotal hyperthermia on sperm parameters, seminal plasma biochemical markers, and oxidative stress in men

Asian Journal of Andrology, 2015
In this experimental prospective study, we aimed to analyze the effect of transient scrotal hyperthermia on the male reproductive organs, from the perspective of sperm parameters, semen plasma biochemical markers, and oxidative stress, to evaluate ...
Meng Rao, Xiao-Ling Zhao, Jing Yang, Shi-Fu Hu, Hui Lei, Wei Xia, Chang-Hong Zhu   +6 more
doaj   +1 more source

Modulation of the Stress Granule Component Carhsp1 Mitigates Disease‐Associated Deficits in Spinocerebellar Ataxia Type 3 Mouse Models

Movement Disorders, EarlyView.
Abstract Background Spinocerebellar ataxia type 3 (SCA3) is a polyglutamine (polyQ) neurogenerative disorder that results from CAG trinucleotide repeat expansions in the ATXN3 gene, leading to toxic protein aggregate formation and cellular pathway dysfunction.
Tiago Moreira‐Gomes, Adriana Marcelo, Ana Teresa Rajado, Rafael G. Costa, Ricardo Afonso‐Reis, Cristiana R. Madeira, Inês T. Afonso, David V.C. Brito, Adriana A. Vaz, Clévio Nóbrega   +9 more
wiley   +1 more source

Identification and Determination of the Seminiferous Epithelium Stages and Spermatid Development in the Testis of Aceh Bull (Bos indicus)

Veterinary Medicine International, 2023
This study was conducted to describe the stages of seminiferous epithelium (SE), determine the relative frequency of the stages, and identify the steps of spermatid development during spermatogenesis in the testicular tissue of Aceh bull.
Sri Wahyuni, Tongku Nizwan Siregar, Gholib Gholib, Arianto Saputra, Hafizuddin Hafizuddin, Hamny Sofyan, Muhammad Jalaluddin, Mulyadi Adam, Muslim Akmal   +8 more
doaj   +1 more source

Multiple Roles of Protamine Kinase SRPK1 and Phosphatase PP1γ in Sperm Development

PROTEOMICS, EarlyView.
ABSTRACT Protein phosphorylation regulates key events of male germ cell differentiation. In the testis, SRPK1 and PP1γ are involved in protamine phosphorylation and dephosphorylation, respectively, and their deregulation is linked to defective chromatin structure and male infertility.
Alberto de la Iglesia, Mélina Blanco, Meritxell Jodar, Olivier Feudjio, Marjorie Leduc, Judit Castillo, Julie Cocquet, Rafael Oliva   +7 more
wiley   +1 more source

Targeting and fusion proteins during mammalian spermiogenesis

Biological Research, 2001
Regulated exocytosis is controlled by internal and external signals. The molecular machinery controlling the sorting from the newly synthesized vesicles from the Golgi apparatus to the plasma membrane play a key role in the regulation of both the number ...
JOÃO RAMALHO-SANTOS, RICARDO D. MORENO
doaj  

The paternal genome and the health of the assisted reproductive technology child

Asian Journal of Andrology, 2015
As a number of children born by assisted reproductive technology (ART) are increasing each year across the developed world, the health of such offspring is a matter of public concern.
Sheena EM Lewis, Kishlay Kumar
doaj   +1 more source