3-hydroxy-DL-Kynurenine (Synonyms: DL-3-Hydroxykynurenine) |
| Katalog-Nr.GC45336 |
3-Hydroxy-DL-Kynurenin, ein Metabolit von Tryptophan, ist ein potenzielles endogenes Neurotoxin, dessen erhÖhte Spiegel bei mehreren neurodegenerativen Erkrankungen beschrieben wurden.
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Cas No.: 484-78-6
Sample solution is provided at 25 µL, 10mM.
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3-hydroxy-DL-Kynurenine is an active metabolite of tryptophan.1,2,3 It inhibits yeast and rat liver aldehyde dehydrogenase by 97 and 69%, respectively, when used at a concentration of 100 μM.1 3-hydroxy-DL-Kynurenine is active against methicillin-resistant S. aureus (MRSA), S. epidermidis, vancomycin-resistant E. faecalis (VRE), E. coli, multidrug-resistant P. aeruginosa (MDRP), and C. albicans (IC50s = 31.2, 39.2, 57.6, 24, 25.6, and 137.6 μg/ml, respectively).2 It increases intracellular NAD+ levels and extracellular lactate dehydrogenase (LDH) activity in human neurons and astrocytes in a concentration-dependent manner.3
References
1. Badawy, A.A.-B., and Morgan, C.J. Tryptophan metabolites as potent inhibitors of aldehyde dehydrogenase activity and potential alcoholism-aversion therapeutic agents. Int. Congr. Ser. 1304, 344-351 (2007).
2. Narui, K., Noguchi, N., Saito, A., et al. Anti-infectious activity of tryptophan metabolites in the L-tryptophan-L-kynurenine pathway. Biol. Pharm. Bull. 32(1), 41-44 (2009).
3. Braidy, N., Grant, R., Brew, B.J., et al. Effects of kynurenine pathway metabolites on intracellular NAD+ synthesis and cell death in human primary astrocytes and neurons. Int. J. Tryptophan Res. 2, 61-69 (2009).
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