Ionophore nigericin

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August undefined, 2024

WebNigericin inhibits respiration, stimulates glucose consumption, and causes dramatic changes in intracellular concentrations of Na+ and K+ at pHe 7.4 as well as 6.4. The … Web17 nov. 2024 · However, we found that ionophore nigericin can disturb plasma membrane potential, intracellular pH, mitochondrial membrane potential and autophagy at once. By affecting all of the tested homeostasis-maintaining systems, nigericin induced senolytic action towards stromal and epithelial senescent cells of different origins.

Nigericin sodium salt Supplier CAS 28643-80-3 Tocris Bioscience

WebThe Ca 2+ ionophore A23187 has been used extensively to permit entry of Ca 2+ into cells, which normally have a low native permeability to Ca 2+, ... Nigericin exchanges K + for protons and has been used in many studies of mitochondrial bioenergetics to alter electrical and chemical gradients for protons. WebNigericin is an antibiotic derived from Streptomyces hygroscopicus that act as a K+/H+ ionophore, promoting K+/H+ exchange across mitochondrial membranes.Nigericin can be a NLRP3 activator that induces the release of IL-1β as a NALP3-dependent manner. Nigericin triggers eryptosis, an effect paralleled by ROS formation, and in part due to … sonic chaos council

Nigericin - an overview ScienceDirect Topics

WebAbstract Emerging studies have shown that nigericin, an H +, K + and Pb 2+ ionophore, has exhibited a promising anti-cancer activity in various cancers. However, its anti … WebThe term ionophore (from Greek ion carrier or ion bearer) was proposed by Berton Pressman in 1967 when he and his colleagues were investigating the antibiotic mechanisms of valinomycin and nigericin. [4] Many ionophores are produced naturally by a variety of microbes, fungi and plants, and act as a defense against competing or pathogenic species. WebWell-known ionophore-antibiotics include Valinomycin, Gramicidin, Nigericin, Monensin and Monactin, which kill cells by altering ionic gradients. Valinomycin specifically transports potassium while others transports monovalent cations such as sodium, potassium, hydrogen and ammonium ions. small home loan lenders australia

Nigericin sodium salt Supplier CAS 28643-80-3 Tocris Bioscience

pH-dependent effects of the ionophore nigericin on …

WebThe term ionophore (from Greek ion carrier or ion bearer) was proposed by Berton Pressman in 1967 when he and his colleagues were investigating the antibiotic … WebNigericin effectively causes intracellular parasites to exit their host cell within 30 min of treatment with the drug. Our results show that nigericin-induced egress depends on … small home living communitiesWeb1 dec. 2013 · The release of IL-1beta in response to nigericin, a potassium ionophore, and maitotoxin, a potent marine toxin, was also found to be dependent on cryopyrin. In contrast to Asc-/- macrophages, cells deficient in the gene encoding cryopyrin (Cias1-/-) activated caspase-1 and secreted normal levels of IL-1beta and IL-18 when infected with Gram … sonic chao race

"WebProduct name Nigericin Na+ salt, K+ ionophore Description K + ionophore Biological description K + ionophore; exchanges K + for H + across most biological membranes. … " - Ionophore nigericin

Ionophore nigericin

Nigericin is a potent inhibitor of the early stage of vaccinia virus ...

WebNigericin is an antibiotic isolated Streptomyces hygroscopicusthat acts as an H+, K+, Na+, Pb2+ionophore. Similarly to Valinomycin (Prod. No. BML-KC140), Nigericin is most … Web21 dec. 2004 · The selectivity of nigericin for Pb(2+) exceeds that of ionomycin or monensin and arises, at least in part, from a high stability of nigericin-Pb(2+) complexes. Plots of …

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Web1 dec. 2024 · Other compounds, nigericin, indanomycin, monensin, and lasalocid, showed selectivity of about 50–100 fold. ... Ionophore X-206 found to inhibit viral replication in cell cultures. WebNigericin has been employed to study anion transport (Section 2.5) and to modify the pH gradient across energy-conserving membranes. It is often stated that nigericin abolishes ΔpH across a membrane; in fact, the ionophore equalises the K + and H + concentration gradients, with the final ion gradients depending on the experimental conditions.

WebNigericin is a microbial toxin derived from the Gram-positive bacteria Streptomyces hygroscopicus. It induces the release of IL-1β in response to the activation of the NLRP3 … Web6 okt. 2016 · Ionophores such as valinomycin and nigericin are potent tools for studying the impact of ion perturbance on cellular functions. To obtain a broader picture about molecular components involved in mediating the effects of these drugs on yeast cells under respiratory growth conditions, we performed a screening of the haploid deletion mutant …

WebThe ionophore nigericin equilibrates pH across cells so that the final ion gradients depend on the experimental conditions . Fluorescence intensity was measured in triplicate using the Varioskan LUX Multimode Microplate Reader (Thermo Fisher Scientific) for light emitted at 440 nm and 540 nm with reference excitation wavelengths of 329 nm and 384 nm, … WebThe ionophore nigericin transports Pb2+ with high activity and selectivity: a comparison to monensin and ionomycin. Biochemistry, 2004, 43(50): 15956-15965. [3]. Eytan GD, Carlenor E, Rydström J. Energy-linked transhydrogenase. Effects of valinomycin and nigericin on the ATP-driven transhydrogenase reaction catalyzed by reconstituted ...

WebNigericin sodium salt is a potassium ionophore, exchanges K + for H + across biological membranes, in a similar manner to Valinomycin (Cat. No. 3373). Stimulates mitochondral …

WebToxins 2013, 5 1168 control of serum-response element (SRE). All dermonecrotic toxins carry a glutamine deamidase activity at their C-terminus that activates their G-protein target substrates and use their N-terminus as the machinery for binding to cells and facilitating membrane translocation of their cargo (activity sonic chaos infinite worldWeb15 apr. 2016 · The role of carboxylic ionophores (including nigericin and monensin) in lysosomal protein degradation was shown previously, and interestingly monensin inhibited autophagy (29). Thus, monensin and nigericin produced opposite effects on pH and on autophagy and mitophagy that again, suggests the effect of intracellular pH on … sonic chao resort islandWebNigericin acts as an H +, K +, Pb 2+ ionophore. Most commonly it is an antiporter of H + and K +. In the past nigericin was used as an antibiotic active against gram positive bacteria. … sonic chaos revolutionWeb25 sep. 2024 · Human African trypanosomiasis (HAT) is caused by Trypanosoma brucei parasites. The T. brucei aquaglyceroporin isoform 2, TbAQP2, has been linked to the uptake of pentamidine. Negative membrane potentials and transmembrane pH gradients were suggested to promote transport of the dicationic antitrypanosomal drug. Application of … sonic character mightyWebNigericin (NSC 292567) sodium salt is an antibiotic derived from Streptomyces hygroscopicus that works by acting as an H+, K+, and Pb2+ ionophore .Nigericin can activate NLRP3 inflammasome to induce pro-inflammatory and immunostimulatory processes. CAS No. 28643-80-3 Selleck's Nigericin (NSC 292567) sodium salt has … small homemade carrot cakeWebAbstract Ionophore antibiotics are compounds produced by microorganisms (mainly spore-forming bacteria) ; they act by specifically increasing the ion permeability of the cell membrane. In Vol. sonic chao wallpaperWebIn summary care must be taken when using the putative K+/H+ ionophore nigericin as an experimental tool in synaptosomes, as under standard conditions (i.e. in the presence of high external Na+) nigericin behaves as a Na+/H+ ionophore. Publication types Research Support, Non-U.S. Gov't MeSH terms Animals sonic chaotix game