نتایج جستجو برای: ionophore
تعداد نتایج: 4291 فیلتر نتایج به سال:
The effect of the calcium ionophore A23187 on the release and metabolism of [3H]arachidonic acid was examined in normal polymorphonuclear leukocytes and those obtained from patients with chronic granulomatous disease. The ionophore A23187 which stimulates oxidative metabolism in normal polymorphonuclear leukocytes was ineffective in increasing oxidative metabolism (chemiluminescence) in polymor...
To describe a successful pregnancy and delivery after calcium ionophore oocyte activation in a normozoospermic patient with previous repeated failed fertilization after intracytoplasmic sperm injection (ICSI).Case report. In vitro fertilization unit in a university affiliated medical center.A couple with 5 years of unexplained primary infertility who had repeated failed fertilization after ICSI...
Gamma-aminobutyric acid (GABA) type A receptors play a key role in brain inhibitory neurotransmission, and are ligand-activated chloride channels blocked by numerous convulsant ligands. Here we summarize data on binding of picrotoxin, tetrazoles, beta-lactams, bicyclophosphates, butyrolactones and neurotoxic pesticides to GABA-A ionophore, and discuss functional and structural overlapping of th...
As a disease-modifying approach for Alzheimer's disease (AD), clioquinol (CQ) targets beta-amyloid (Abeta) reactions with synaptic Zn and Cu yet promotes metal uptake. Here we characterize the second-generation 8-hydroxy quinoline analog PBT2, which also targets metal-induced aggregation of Abeta, but is more effective as a Zn/Cu ionophore and has greater blood-brain barrier permeability. Given...
we separated platelets from whole blood and incorporated them into in-ill and te-99m agents. sn-gha, tropolone, oxine (sulphate) and hmpao were used to diffuse radionuclides into the platelets. the effects of time, temperature, ph of incubation media; volume and concentration of ionophore; and volume and activity of ln-l 13m c13 and te-99m on labeling efficiency were studied.
The aim of this study was to use meta-analysis to identify the enteric methane (CH4) mitigation strategy that reduced CH4 emission without lowering production. To this end, a database initially developed was updated, compiling data from 61 publications (233 experiments) for various observations in dairy cattle on effects of hydrogen sink (H-sink), ionophore, lipid and conc...
Minimal requirements for the induction of interleukin 2 (IL-2) responsiveness in purified subsets of murine T lymphocytes have been investigated. Whereas Lyt-2+ cells could be induced to IL-2-dependent growth by lectin, phorbol ester, or calcium ionophore, none of these stimuli was by itself sufficient for L3T4+ cells. The latter cells could, however, be induced to respond to IL-2 by combinatio...
Salinomycin is a monocarboxylic polyether ionophore with antimicrobial properties. It is a dietaryadditive used as a growth promoter for ruminants and as a coccidiostat in chickens. The mechanism of actionof ionophores at the cellular level is to selectively bind certain ions creating intra and extracellularbiochemical disturbances. Clinical signs of ionophore intoxication are non specific and ...
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