Results 41 to 50 of about 40,341 (222)

The effect of non-traditional cooling on dog sperm cryosurvival and ability to perform the acrosome reaction

Austral Journal of Veterinary Sciences, 2019
The objective of this study was to assess cryosurvival, plasma membrane fluidity, and capability of cryopreserved dog (Canis lupus familiaris) spermatozoa, cooled to –5 °C before freezing, to perform the acrosome reaction under the effect of progesterone
Luis D. Ortega-Morales, Alicia Alcantar-Rodriguez, Maria C. Espejel, Alfredo Medrano   +3 more
doaj   +1 more source

Preparation of Neurospora crassa mitochondria [PDF]

, 1978
The fungus Neurospora crassa represents a eukaryotic cell with high biosynthetic activities. Cell mass doubles in 2-4 hr during expone ntial growth , even in simple salt media with sucrose as the sole carbon source. The microorgani sm forms a mycelium of
Jacki, Klingenberg, Michel, Neupert, Sebald, Vogel, von Jagow, von Ruecker, Weiss, Weiss, Weiss, Werner   +11 more
core   +2 more sources

Stimulus specificity of the generation of leukotrienes by dog mastocytoma cells. [PDF]

, 1983
Isolated dog mastocytoma cells sensitized with dog anti-ragweed IgE and challenged with ragweed antigen or incubated with ionophore A23187 or the carboxy-terminal dodecapeptide of platelet factor 4, PF4(59-70), release histamine and concurrently generate
Goetzl, EJ, Gold, WM, Phillips, MJ
core  

Essential role of CFTR in PKA-dependent phosphorylation, alkalinization, and hyperpolarization during human dperm capacitation [PDF]

, 2017
Mammalian sperm require to spend a limited period of time in the female reproductive tract to become competent to fertilize in a process called capacitation.
Austin, Berger, Bobadilla, Buffone, Buffone, Buffone, Buffone, Chang, Chen, Chen, Chen, Chávez, Chávez, De Jonge, De La Vega-Beltran, Demarco, Diao, Dirami, Dostmann, Ellsworth, Escoffier, Esteves, Figueiras-Fierro, Gabriel, Gadsby, Hernández-González, Ishiguro, José, Kase, Kujala, Köhn, l'Hoste, Laemmli, Leclerc, Li, Lishko, Lochner, Luconi, López-González, Ma, Melis, Mortimer, Muanprasat, Navarrete, Neill, Nishigaki, Nolan, Okamura, Rode, Schulz, Sheppard, Sorum, Stival, Stival, Tabcharani, Tang, Towbin, Visconti, Visconti, Wennemuth, Wertheimer, Xu, Zeng, Zeng   +63 more
core   +1 more source

VIVID: A qPCR‐Based Platform for Sensitive and Quantitative In Vivo Tracking of Extracellular Vesicles

Advanced Functional Materials, EarlyView.
This study introduces VIVID (Vesicle In Vivo Identification using DNA), a qPCR‐based platform that tracks PCR‐amplifiable DNA tags loaded in the EVs for accurate and quantifiable EV biodistribution in vivo. ABSTRACT Extracellular vesicles (EVs) represent promising carriers for nucleic acid therapeutics, offering advantages over synthetic nanoparticles ...
Oscar Boyadjian, Talin Ebrahimian, Jonathan Miranda O'Connor, Janusz Rak, Stephanie Lehoux, Maryam Tabrizian   +5 more
wiley   +1 more source

Dolutegravir potentiates platelet activation by a calcium-dependent, ionophore-like mechanism

Journal of Immunotoxicology, 2022
Dolutegravir is a highly potent HIV integrase strand transfer inhibitor that is recommended for first-line anti-retroviral treatment in all major treatment guidelines.
Morris Madzime, Annette J. Theron, Ronald Anderson, Gregory R. Tintinger, Helen C. Steel, Pieter W. A. Meyer, Jan G. Nel, Charles Feldman, Theresa M. Rossouw   +8 more
doaj   +1 more source

Photosynthesis dependent acidification of perialgal vacuoles in theParamedum bursaria/Chlorella symbiosis. Visualization by monensin [PDF]

, 1992
After treatment with the carboxylic ionophore monensin theChlorella containing perialgal vacuoles of the greenParamecium bursaria swell. TheParamecium cells remain motile at this concentration for at least one day.
A Fischer, AM Tartakoff, AM Tartakoff, B Matzke, BC Pressmann, DC Smith, E Cernichiari, E Kessler, H Kleinig, HH Mollenhauer, J Larsen, J Willenbrink, L Muscatine, MJ Geisow, N Stelly, R Sandeaux, TC Hohman, W Reisser, W Reisser, W Reisser, W Reisser, WF Boss   +21 more
core   +1 more source

Small Extracellular Vesicles from Neural Cells: Physiological and Pathological Roles, and Potential in Neurodegenerative Therapy

Advanced Healthcare Materials, EarlyView.
Neural cell–derived small extracellular vesicles (sEVs) are emerging as pivotal mediators in neurodegenerative diseases, exerting both pathogenic and therapeutic functions. This review synthesizes current evidence on how sEVs from distinct neural cell types regulate neurodegeneration, neuroprotection, biomarker discovery, and targeted drug delivery ...
Muhammad Waqas Salim, Wei Zhang, Lyndsey Collins‐Praino, Yuling Wang, Andrew Care   +4 more
wiley   +1 more source

Carbachol increases intracellular free calcium concentrations in human granulosa-lutein cells [PDF]

, 1992
We investigated whether the stimulation of human granulosa-lutein cells with muscarinic and nicotinic receptor agonists can cause increases in intracellular free calcium (Ca2+), using Fura-2 microfluorimetry.
Föhr, K. J., Gratzl, Manfred, Mayerhofer, Artur, Sterzik, K.   +3 more
core   +1 more source

Exploring the Potential of Zero‐Dimensional Carbon Nanomaterials in Photoluminescent, Electrochemiluminescent and Electrochemical Sensors

Advanced Materials Interfaces, EarlyView.
Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins, Jeferson Luiz Gogola, Ava Gevaerd, Cristiane Kalinke, Paulo Roberto de Oliveira, Fabio Roberto Caetano, Bruno Campos Janegitz, Márcio Fernando Bergamini, Luiz Humberto Marcolino‐Junior   +8 more
wiley   +1 more source