Results 61 to 70 of about 133,217 (307)

Removal of spermatozoa with externalized phosphatidylserine from sperm preparation in human assisted medical procreation: effects on viability, motility and mitochondrial membrane potential

Reproductive Biology and Endocrinology, 2009
Background Externalization of phosphatidylserine (EPS) occurs in apoptotic-like spermatozoa and could be used to remove them from sperm preparations to enhance sperm quality for assisted medical procreation.
de Agostini Ariane, Chardonnens Didier, Lucas Hervé, de Vantéry Arrighi Corinne   +3 more
doaj   +1 more source

Identification of Sialyl-Lewis(x)-Interacting Protein on Human Spermatozoa

Frontiers in Cell and Developmental Biology, 2021
Capacitated spermatozoa initiate fertilization by binding to the zona pellucida (ZP). Defective spermatozoa-ZP binding causes infertility. The sialyl-Lewis(x) (SLeX) sequence is the most abundant terminal sequence on the glycans of human ZP glycoproteins
Ying Wang, Ying Wang, Weie Zhao, Weie Zhao, Si Mei, Si Mei, Panyu Chen, Tsz-Ying Leung, Tsz-Ying Leung, Cheuk-Lun Lee, Cheuk-Lun Lee, William S. B. Yeung, William S. B. Yeung, Jian-Ping Ou, Jian-Ping Ou, Xiaoyan Liang, Philip C. N. Chiu, Philip C. N. Chiu   +17 more
doaj   +1 more source

Validation of a method for measuring sperm quality and quantity in reproductive toxicity tests with pair-breeding male fathead minnows (Pimephales promelas) [PDF]

, 2009
This article originally appeared in the ILAR e-Journal. It is reprinted with permission from the ILAR Journal, Institute for Laboratory Animal Research, National Research Council, Washington DC (www.nationalacademies.org/ilar).The fathead minnow ...
Hala, D, Holt, WV, Jobling, S, Van Look, K   +3 more
core   +1 more source

Chronic Low‐Dose Unsymmetrical Dimethylhydrazine Exposure in Rats: Multiorgan Mechanisms and Biomarker Identification

Journal of Applied Toxicology, EarlyView.
ABSTRACT Unsymmetrical dimethylhydrazine (UDMH), a highly toxic rocket propellant with known multiorgan effects, requires urgent characterization of its chronic low‐dose toxicity. Using an integrated approach including exploratory transcriptomics (n = 3/group) and metabolomic (n = 4/group) approaches in male Sprague–Dawley rats exposed to high‐dose ...
Fuzhou Liu, Bing Liu, Keli Wang, Xiaoyu Wang, Zhen Sun, Xiaojuan Pan, Zengming Zhao   +6 more
wiley   +1 more source

Zygoparity and sex steroid hormone profiles in bluemouth Helicolenus dactylopterus [PDF]

, 2017
Two hundred and seven individuals (103 females and 104 males) of bluemouth Helicolenus dactylopterus (Scorpaeniformes, Sebastidae), a commercially important deep-water species with an unusual reproductive strategy, from the eastern Atlantic Ocean ranging
Barcellos, Brown-Peterson, Canario, Dahle, Eldridge, Grier, Grier, Guerreiro, Howell, Hureau, Kime, Kobayashi, Liley, Matsuyama, Muñoz, Muñoz, Nagahama, Rinchard, Schulz, Scott, Sequeira, Sequeira, Sequeira, Sequeira, Shimizu, Shinomiya, Takano, Vila, Wallace, West, Wourms   +30 more
core   +1 more source

Molecular Biology of Spermatozoa [PDF]

International Journal of Molecular Sciences, 2020
The spermatozoon is a very special cell; it is generated in the male reproductive tract and has to travel to the female reproductive tract, of another individual, to fertilize an egg [...]
openaire   +2 more sources

TAM pathway proteins as novel salivary biomarkers for periodontitis

Journal of Periodontology, EarlyView.
Abstract Background The identification of molecular biomarkers that help clinicians in early diagnosis is a key focus of periodontal research. The major aim of this cross‐sectional observational study was to assess whether salivary TAM pathway protein levels have the potential to discriminate between periodontally healthy or gingivitis controls and ...
Karina Mendes, Ana T. P. C. Gomes, Dimitris N. Tatakis, Tiago Marques, Marla Pinto, Pedro C. Lopes, Maria J. Correia, Nuno Rosa   +7 more
wiley   +1 more source

Successful ICSI in Mice Using Caput Epididymal Spermatozoa

Frontiers in Cell and Developmental Biology, 2019
Spermatozoa undergo their last phase of spermiogenesis, known as maturation, as they pass through the epididymis. A recent report indicates that mouse immature spermatozoa retrieved from the caput epididymis for intracytoplasmic sperm injection (ICSI ...
Raúl Fernández-González, Ricardo Laguna, Priscila Ramos-Ibeas, Eva Pericuesta, Víctor Alcalde-Lopez, Serafín Perez-Cerezales, Alfonso Gutierrez-Adan   +6 more
doaj   +1 more source

Inhibition of movement of trition-demembranated sea-urchin sperm flagella by Mg2+, ATP4-, ADP and P1 [PDF]

, 1979
Three clinical patterns of inhibition of MgATP2--activated flagellar motility have been found by measuring the motility of Triton-demembranated sea-urchin spermatozoa beating with their heads attached to a glass surface.
Brokaw, C. J., Okuno, Makoto
core  

Regulatory mechanisms of reproduction in locusts and grasshoppers

New Plant Protection, EarlyView.
Regulatory networks composed of numerous coding and noncoding genes play crucial roles in the reproduction of locusts and grasshoppers. This review integrates mechanistic advances in reproductive regulation, highlighting environmentally adaptive pathways and providing prospective targets for eco‐friendly pesticides.
Jing He, Jiliang Wang, Xinran Wang
wiley   +1 more source