Calcium Ionophore A23187, >=98% (TLC), powder

Calcium Ionophore A23187, >=98% (TLC), powder

Application

Calcium ionophore A23187 has been used: as an endoplasmic reticulum (ER) stress inducer to study its effect on the expression of the toxoplasma unfolded protein response (UPR) genes for the induction of the acrosome reaction in skeletal muscle sarcoplasmic reticulum Ca2+ ATPase (SERCA) activity assay

Ionophore highly selective for Ca2+. Potentiates responses to NMDA but not quisqualate. In cell culture, stimulates nitric oxide production by calmodulin-dependent constitutive nitric oxide synthase.

Biochem/physiol Actions

Calcium ionophore A23187 is a carboxylic acid antibiotic with weak in vitro activity against Gram-positive organisms. It increases the potential of divalent ions to cross biological membranes, thus it acts as an ionophore. Calcium ionophore A23187 specifically forms stable 2:1 complexes with divalent cations, rendering these ions soluble in ordinary organic solvents. Since calcium ionophore A23187 is commonly used to increase intracellular Ca2+ levels in intact cells, it acts as an uncoupler of oxidative phosphorylation and an inhibitor of mitochondrial adenosine triphosphatase (ATPase) activity. Calcium Ionophore A23187 is a potent inducer of phosphorylation of Toxoplasma eukaryotic initiation factor-2α (eIF2α). It also induces apoptosis in mouse lymphoma cell line (S49)7 but also has been shown to block apoptosis in other systems, such as when interleukin-3 (IL-3) is withdrawn from IL-3-dependent cells.

Packaging

1, 5, 10 mg in serum bottle

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Code Description Colour Quality Level InChI key InChI Manufacturer Form Assay Price Quantity
3589970 Calcium Ionophore A23187, >=98% (TLC), powder white to light yellow 300 HIYAVKIYRIFSCZ-CYEMHPAKSA-N 1S/C29H37N3O6/c1-15-10-11-29(17(3)13-16(2)27(38-29)18(4)26(33)20-7-6-12-31-20)37-22(15)14-23-32-25-21(36-23)9-8-19(30-5)24(25)28(34)35/h6-9,12,15-18,22,27,30-3 SIGMA-ALDRICH powder ≥98% (TLC)
£378.86 (exc VAT) per 10MG
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3589971 Calcium Ionophore A23187, >=98% (TLC), powder white to light yellow 300 HIYAVKIYRIFSCZ-CYEMHPAKSA-N 1S/C29H37N3O6/c1-15-10-11-29(17(3)13-16(2)27(38-29)18(4)26(33)20-7-6-12-31-20)37-22(15)14-23-32-25-21(36-23)9-8-19(30-5)24(25)28(34)35/h6-9,12,15-18,22,27,30-3 SIGMA-ALDRICH powder ≥98% (TLC)
£77.86 (exc VAT) per 1MG
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3589972 Calcium Ionophore A23187, >=98% (TLC), powder white to light yellow 300 HIYAVKIYRIFSCZ-CYEMHPAKSA-N 1S/C29H37N3O6/c1-15-10-11-29(17(3)13-16(2)27(38-29)18(4)26(33)20-7-6-12-31-20)37-22(15)14-23-32-25-21(36-23)9-8-19(30-5)24(25)28(34)35/h6-9,12,15-18,22,27,30-3 SIGMA-ALDRICH powder ≥98% (TLC)
£703.39 (exc VAT) per 50MG
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3589973 Calcium Ionophore A23187, >=98% (TLC), powder white to light yellow 300 HIYAVKIYRIFSCZ-CYEMHPAKSA-N 1S/C29H37N3O6/c1-15-10-11-29(17(3)13-16(2)27(38-29)18(4)26(33)20-7-6-12-31-20)37-22(15)14-23-32-25-21(36-23)9-8-19(30-5)24(25)28(34)35/h6-9,12,15-18,22,27,30-3 SIGMA-ALDRICH powder ≥98% (TLC)
£207.54 (exc VAT) per 5MG
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