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475944 Sigma-Aldrich

Myeloperoxidase Inhibitor-I - CAS 5351-17-7 - Calbiochem

The Myeloperoxidase Inhibitor-I, also referenced under CAS 5351-17-7, controls the biological activity of Myeloperoxidase. This small molecule/inhibitor is primarily used for Inflammation/Immunology applications.

Synonym: Myeloperoxidase Inhibitor-I - CAS 5351-17-7 - Calbiochem

  • CAS Number 5351-17-7

  • Empirical Formula (Hill Notation) C7H9N3O

  • Molecular Weight 151.17

  •  MDL number MFCD00007606

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Properties

Related Categories Antioxidant and Free Radical Scavengers, Cancer Research, Cell Biology, Chemopreventive Agents
Quality Level   100
assay   ≥95% (HPLC)
form   solid
mfr. no.   Calbiochem®
storage condition   OK to freeze
  protect from light
storage conditions   -20C
color   beige
solubility   DMSO: 10 mg/mL
  dilute acid: soluble
shipped in   ambient
InChI   1S/C7H9N3O/c8-6-3-1-5(2-4-6)7(11)10-9/h1-4H,8-9H2,(H,10,11)
InChI key   WPBZMCGPFHZRHJ-UHFFFAOYSA-N

Description

General description

A benzoic acid hydrazide analog that acts as a potent, irreversible, and specific inhibitor of the peroxidation activity of myeloperoxidase (MPO; IC50 = 300 nM). Does not inhibit catalase or glutathione peroxidase activities. Does not affect the production of superoxide by neutrophils. Shown to inhibit H2O2-induced apoptosis in HL-60, human leukemia cells.

A benzoic acid hydrazide analog that acts as a potent, specific, and irreversible inhibitor of myeloperoxidase. ABAH is a mechanism-based inhibitor that is oxidized to radical intermediates that, in turn, promote the irreversible inactivation of myeloperoxidase. Reported to inhibit hypochlorous acid (HOCl) production by purified myeloperoxidase (IC50 = 300 nM). Has also been shown to inhibit HOCl production up to 90% in zymosan and phorbol myristate acetate stimulated neutrophils (IC50 = 16 µM and 2.2 µM, respectively). Does not affect superoxide radical production or degranulation of neutrophils and does not inhibit catalase or glutathione peroxidase. Shown to inhibit myeloperoxidase-mediated apoptosis in >90% of ras-expressing fibroblasts and glutathione-depleted, src-transformed cells. Also shown to inhibit apoptosis in H2O2-treated HL-60 promyelocytic leukemia cells.

Packaging

1 g in Plastic ampoule

Biochem/physiol Actions

Cell permeable: no

Primary Target
Myeloperoxidase

Product does not compete with ATP.

Reversible: no

Target IC50: 300 nM against myeloperoxidase (MPO)

Packaging

Packaged under inert gas

Warning

Toxicity: Irritant (B)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.

Other Notes

Engelmann, I., et al. 2000. Redox Report5, 207.
Wagner, B.A., et al. 2000. J. Biol. Chem.275, 22461.
Burner, U., et al. 1999. J. Biol. Chem.274, 9494.
Kettle, A.J., et al. 1997. Biochem. J.321, 503.
Kettle, A.J., et al. 1995. Biochem. J.308, 559.

Legal Information

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

Safety & Documentation

Safety Information

Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles
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