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SML1779

Sigma-Aldrich

Nigericin sodium salt

from Streptomyces hygroscopicus, ≥98% (HPLC), solution, polyether ionophore

Sinonimo/i:

3B2-6379, Antibiotic K178, Antibiotic X464, Azalomycin M, HE331800, Helexin C, Polyetherin A, sodium;2-[(3S,6R)-6-[[(5R,6R,7R,9R)-2-[5-[(3S,5R)-5-[(2S,3S,5R,6R)-6-hydroxy-6-(hydroxymethyl)-3,5-dimethyloxan-2-yl]-3-methyloxolan-2-yl]-5-methyloxolan-2-yl]-7-methoxy-2,4,6-trimethyl-1,10-dioxaspiro[4.5]decan-9-yl]methyl]-3-methyloxan-2-yl]propanoate

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About This Item

Formula empirica (notazione di Hill):
C40H67NaO11
Numero CAS:
28643-80-3
Peso molecolare:
746.94
Codice UNSPSC:
12352200
NACRES:
NA.77

product name

Nigericin sodium salt Ready Made Solution, 5 mg/mL (DMSO:ethanol 1:1)

Origine biologica

Streptomyces hygroscopicus

Livello qualitativo

200

Forma fisica

solution

Concentrazione

5 mg/mL (DMSO:ethanol 1:1)

Spettro attività antibiotica

Gram-positive bacteria

Modalità d’azione

cell membrane | interferes

Condizioni di spedizione

ambient

Temperatura di conservazione

2-8°C

InChI

1S/C40H68O11.Na/c1-21-11-12-28(46-33(21)26(6)36(42)43)17-29-18-30(45-10)27(7)40(48-29)25(5)19-38(9,51-40)32-13-14-37(8,49-32)35-23(3)16-31(47-35)34-22(2)15-24(4)39(44,20-41)50-34;/h21-35,41,44H,11-20H2,1-10H3,(H,42,43);/q;+1/p-1/t21-,22-,23-,24+,25?,26?,27+,28+,29+,30+,31+,32?,33?,34-,35?,37?,38?,39-,40+;/m0./s1
MOYOTUKECQMGHE-KKCUGXASSA-M

Categorie correlate

Azioni biochim/fisiol

Nigericin is a polyether ionophore which catalyzes the electroneutral exchange of alkali metal (K+) for H+ (antiport). Nigericin transports monovalent cations across membranes with the following specificity: K+ >Rb+ >Cs+ >>Na+ and thus, disrupts membrane potential and stimulates ATPase activity in mitochondria.
Nigericin kills bacteria by facilitating the diffusion of ions across membranes.
Low concentration (0.5 μM) of Nigericin rapidly decreases pHi, causing stimulation of PG production 1.5- to 2-fold in cerebral microvascular endothelial cells and arresting of DNA synthesis in Erlich acites carcinoma cells. Treatment of Hela cells, after entry of poliovirus, with nigericin, prevents the inhibition of host protein synthesis by poliovirus. Nigericin is also widely used in studies of the consequences of changes in membrane potential in variable systems.

Nota sulla preparazione

Nigericin sodium salt ready made solution is provided at 6.7 mM concentration. The solution can be further diluted with a desired solvent to a working concentration (0.5-10 μM).

Pittogrammi

Flame
GHS02

Avvertenze

Warning

Indicazioni di pericolo

H226

Classi di pericolo

Flam. Liq. 3

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

78.8 °F

Punto d’infiammabilità (°C)

26 °C

Certificati d'analisi (COA)

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Moran Morelli et al.
Scientific reports, 14(1), 5797-5797 (2024-03-10)
Enterotoxins are a type of toxins that primarily affect the intestines. Understanding their harmful effects is essential for food safety and medical research. Current methods lack high-throughput, robust, and translatable models capable of characterizing toxin-specific epithelial damage. Pressing concerns regarding
A Irurzun et al.
Journal of virology, 69(12), 7453-7460 (1995-12-01)
Addition of monensin or nigericin after poliovirus entry into HeLa cells prevents the inhibition of host protein synthesis by poliovirus. The infected cells continue to synthesize cellular proteins at control levels for at least 8 h after infection in the
A A Guffanti et al.
Journal of general microbiology, 114(1), 201-206 (1979-09-01)
At an external pH of 3.5, nigericin (which catalyses an electroneutral H+/K+ exchange) abolished the transmembrane proton gradient (delta pH) of Bacillus acidocaldarius, causing a rapid acidification of the cytoplasm from approximately pH 6.0 to pH 3.5. A pronounced loss
Shigetoshi Yokoyama et al.
Cell death discovery, 7(1), 12-12 (2021-01-17)
Non-canonical inflammasome activation that recognizes intracellular lipopolysaccharide (LPS) causes pyroptosis, the inflammatory death of innate immune cells. The role of pyroptosis in innate immune cells is to rapidly eliminate pathogen-infected cells and limit the replication niche in the host body.
L B Margolis et al.
Proceedings of the National Academy of Sciences of the United States of America, 86(17), 6626-6629 (1989-09-01)
Acidification of the cytoplasm of Ehrlich ascites carcinoma cells to pH 6.3 arrests DNA synthesis in these cells. Such an effect can be achieved by incubating the cells at pH 6.2 or by adding low concentrations of the K+/H+ antiporter
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