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3-Hydroxykynurenine

Chemical Structure : 3-Hydroxykynurenine

CAS No.: 606-14-4

3-Hydroxykynurenine (3-HK, 3-Hydroxy-L-kynurenine)

Catalog No.: PC-22609Not For Human Use, Lab Use Only.

3-Hydroxykynurenine (3-HK) is a metabolite produced through host tryptophan metabolism, restricts bacterial expansion in macrophages via a systemic mechanism, modulates the activity of iGluR receptors of the AMPAR and KAR subclasses.

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Purity & Documentation Purity: >98% (HPLC)

Biological Activity

3-Hydroxykynurenine (3-HK) is a metabolite produced through host tryptophan metabolism, restricts bacterial expansion in macrophages via a systemic mechanism, modulates the activity of iGluR receptors of the AMPAR and KAR subclasses.
3-HK disrupts the host–pathogen dynamic to promote survival.
Endogenous production of 3-HK is required for host defense.
3-HK does not act via known kynurenine pathway mechanisms.
3-HK upregulates iGluRs of the AMPA and KAR subclasses.
3-HK promotes survival from lethal bacterial infection by inhibiting bacterial expansion in macrophages.

Physicochemical Properties

M.Wt 224.22
Formula C10H12N2O4
Appearance Solid
CAS No.
Storage
Solide Powder
-20°C 12 Months; 4°C 6 Months
In Solvent
-80°C 6 Months; -20°C 6 Months
Shipping
Solubility

10 mM in DMSO

Chemical Name/SMILES

(S)-2-amino-4-(2-amino-3-hydroxyphenyl)-4-oxobutanoic acid

References

1. Parada-Kusz M, et al. Nat Chem Biol. 2024 Jun 19. doi: 10.1038/s41589-024-01635-z.

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