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L-Kynurenine

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Purity:99.91%

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COA HPLC HNMR

L-Kynurenine

Catalog No. T4928Cas No. 2922-83-0

L-Kynurenine ((S)-Kynurenine) is a key intermediate in the breakdown pathway of tryptophan. L-Kynurenine is a substrate of kynureninase, KMO, and KAT associated with the suppression of antitumor immune responses. It has been shown to inhibit allogeneic T-cell proliferation and to increase malignant U87 glioma cell invasion into a collagen matrix.

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Pack Size	Price	Availability
25 mg	$30	In Stock
50 mg	$40	In Stock
100 mg	$56	In Stock
1 mL x 10 mM (in DMSO)	$44	In Stock

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Product Introduction

Bioactivity

Description	L-Kynurenine ((S)-Kynurenine) is a key intermediate in the breakdown pathway of tryptophan. L-Kynurenine is a substrate of kynureninase, KMO, and KAT associated with the suppression of antitumor immune responses. It has been shown to inhibit allogeneic T-cell proliferation and to increase malignant U87 glioma cell invasion into a collagen matrix.
In vitro	Kynurenine and its further breakdown products carry out diverse biological functions, including dilating blood vessels during inflammation and regulating the immune response. Some cancers increase kynurenine production thereby increasing tumor growth. L-kynurenine (Kyn) is an aryl hydrocarbon receptor (AHR) agonist that activates AHR-directed, naive T cell polarization to the anti-inflammatory Treg phenotype. Kynurenine activates AHR signaling at physiological concentrations in H1L7.5c3 cells and acts as an AHR agonist after a 24-hr exposure by inducing the AHR-regulated luciferase gene in H1L7.5c3 mouse hepatocyte cells.
In vivo	Kynurenine expands rat and human arteries by activating Kv7 channels in the vascular smooth muscle, a process that leads to rat hypotension, partially reversible by inhibiting these channels. When L-kynurenine is given one hour before hypoxia-ischemia, it significantly prevents neurological damage in a dose-dependent manner, achieving full protection at 300 mg/kg. Additionally, this dosage inhibits the activation of c-fos in the cerebral cortex.
Alias	(S)-Kynurenine

Chemical Properties

Molecular Weight	208.21
Formula	C10H12N2O3
Cas No.	2922-83-0

Storage & Solubility Information

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

Solubility Information

DMSO: 50 mg/mL (240.14 mM)

0.5M HCL: 50mg/mL

H2O: 4mg/mL(at 20°C)

Solution Preparation Table

DMSO

	1mg	5mg	10mg	50mg
1 mM	4.8028 mL	24.0142 mL	48.0284 mL	240.1422 mL
5 mM	0.9606 mL	4.8028 mL	9.6057 mL	48.0284 mL
10 mM	0.4803 mL	2.4014 mL	4.8028 mL	24.0142 mL
20 mM	0.2401 mL	1.2007 mL	2.4014 mL	12.0071 mL
50 mM	0.0961 mL	0.4803 mL	0.9606 mL	4.8028 mL
100 mM	0.0480 mL	0.2401 mL	0.4803 mL	2.4014 mL

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