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Sigma-Aldrich

Lipoxin A4

Lipoxin A₄, CAS 89663-86-5, is a potent inhibitor of cytotoxic activity of human natural killer cells. Shown to be as potent as LTB4 in stimulating human neutrophils to generate superoxides.

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Synonym(s):
Lipoxin A4, LXA₄, 5(S),6(R),15(S)-Trihydroxyeicosa-7- trans-9- trans-11- cis-13- trans-tetraenoic Acid, LXA₄, 5(S),6(R),15(S)-Trihydroxyeicosa-7-trans-9-trans-11-cis-13-trans-tetraenoic Acid
Empirical Formula (Hill Notation):
C20H32O5
CAS Number:
Molecular Weight:
352.47
MDL number:

Quality Level

assay

≥95% (HPLC)

form

liquid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

solubility

ethanol: soluble

shipped in

wet ice

storage temp.

−70°C

InChI

1S/C20H32O5/c1-2-3-8-12-17(21)13-9-6-4-5-7-10-14-18(22)19(23)15-11-16-20(24)25/h4-7,9-10,13-14,17-19,21-23H,2-3,8,11-12,15-16H2,1H3,(H,24,25)/b6-4-,7-5+,13-9+,14-10+/t17-,18+,19-/m0/s1

InChI key

IXAQOQZEOGMIQS-SSQFXEBMSA-N

General description

Caution! Product contains volatile liquid. Keep product cold at all times.
Potent inhibitor of cytotoxic activity of human natural killer cells. Shown to be as potent as LTB4 in stimulating human neutrophils to generate superoxides. Involved in contractile responses and acts as a potent enhancer of human protein kinase C. Stimulates the rapid lipid remodeling and pertussis-sensitive release of arachidonic acid in polymorphonuclear leukocytes.
Potent inhibitor of cytotoxic activity of human natural killer cells; shown to be as potent as LTB4 in stimulating human neutrophils to generate superoxides. Involved in contractile responses and acts as a potent activator of human protein kinase C. Stimulates rapid lipid remodeling and pertussis-sensitive release of arachidonic acid in polymorphonuclear leukocytes. Stimulates MAP kinases via activation of G protein-coupled receptors.

Biochem/physiol Actions

Cell permeable: no
Primary Target
Potent inhibitor of cytotoxic activity of human natural killer cells
Product does not compete with ATP.
Reversible: no

Warning

Toxicity: Flammable (J)

Physical form

In Ethanol.

Reconstitution

Following initial thaw, aliquot and freeze (-70°C).

Other Notes

Due to the nature of the Hazardous Materials in this shipment, additional shipping charges may be applied to your order. Certain sizes may be exempt from the additional hazardous materials shipping charges. Please contact your local sales office for more information regarding these charges.
McMahon, B., et al. 2000. J. Biol. Chem. 275, 27566.
Soyombo, O., et al. 1994. Allergy 49, 230.
Flore, S., et al. 1992. J. Biol. Chem.267, 16168.
Badr, K.F., et al. 1989. Proc. Natl. Acad. Sci. USA86, 3438.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2


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