Results 181 to 190 of about 1,096,111 (252)

Bilayers containing calcium ionophore A23187 form channels [PDF]

Biochemical and Biophysical Research Communications, 1992
For the first time, based on bilayer membrane conductance experiments, it has been shown that A23187, a carboxylic calcium ionophore, incorporated in lipid bilayers gives single channel currents similar to the well known gramicidin channel. The current characteristics indicate the possibility that the transmembrane ion transport by this important ...
Balasubramanian, SV, Sikdar, SK, Easwaran, KRK   +2 more
core   +5 more sources

Does the use of calcium ionophore during artificial oocyte activation demonstrate an effect on pregnancy rate? A meta-analysis

Fertility and Sterility, 2017
Srdjan Sašo, Benjamin P Jones, Timothy Bracewell-Milnes   +2 more
exaly   +2 more sources

Can calcium ionophore “use” in patients with diminished ovarian reserve increase fertilization and pregnancy rates? A randomized, controlled study

Fertility and Sterility, 2015
Pinar Caglar Aytaç, Esra Bulgan Kilicdag, Bulent Haydardedeoglu   +2 more
exaly   +2 more sources

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Calcium Ionophore Solution

Cold Spring Harbor Protocols, 2018
openaire   +2 more sources

Small Peptidic Ionophore for Calcium Transport

Bioconjugate Chemistry, 2022
Synthetic calcium transporters are few despite their potential biological significance. Herein, we report small alanine-derived peptides containing pyridyl-triazole motifs for inducing calcium selectivity. The peptides are decorated with hydrophobic alkyl chains to facilitate membrane insertion.
Parichita Saha, Debajyoti Basak, Sayantan Biswas, Priyanka A. More, Nandita Madhavan   +4 more
openaire   +2 more sources

Contractile Effects of a Calcium Ionophore

Nature, 1973
THE contractile state of muscle is controlled through variations of the intracellular concentration of calcium ion1–3. In different types of muscle, Ca2+ transients inside the fibres are sustained to various degrees by calcium movements to and from intracellular stores, such as the sarcoplasmic reticulum (SR).
J V, Levy, J A, Cohen, G, Inesi
openaire   +2 more sources

Hyperthermia, Intracellular Free Calcium and Calcium Ionophores

International Journal of Radiation Biology, 1993
It is shown that heat-induced increase of intracellular calcium does not correlate with hyperthermic cell killing. Six different cell lines were investigated; in four (EAT, HeLa S3, L5178Y-R and L5178Y-S) heat treatments killing 90% of the cells did not affect the levels of intracellular free calcium ([Ca2+]i).
Stege, GJ, Wierenga, PK, Kampinga, HH, Konings, AWT   +3 more
openaire   +3 more sources

Calcium ionophore-induced egg activation and apoptosis are associated with the generation of intracellular hydrogen peroxide

Free Radical Research, 2008
Shail K Chaube
exaly   +2 more sources

Characterization of chlortetracycline (aureomycin) as a calcium ionophore

Biochemistry, 1982
The antibiotic chlortetracycline (aureomycin) is shown to be a potent and specific calcium ionophore. The molecule extracts calcium from an aqueous environment into a bulk organic phase in a pH-dependent manner and with a stoichiometry indicative of a 1:1 complex.
J R, White, F L, Pearce
openaire   +2 more sources

Neurobehavioral effects of the calcium ionophore A23187

Neurotoxicology and Teratology, 1987
The divalent cationic ionophore A23187 (calimycin) facilitates the transport of calcium ions across biological membranes, resulting in an increase of cytosolic calcium. A23187 has been used extensively in vitro to activate calcium-dependent neurocellular processes.
T J, Sobotka, R E, Brodie, Y, Quander, M, O'Donnell, G L, West   +4 more
openaire   +2 more sources