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L-Kynurenine

L-犬尿氨酸

公司名称: Sigma-Aldrich
产品编号: K8625
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In vitro Treatment of Mouse and Human Cells with Endogenous Ligands for Activation of the Aryl Hydrocarbon Receptor
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Date:
2017-01-05
[Abstract]  Activation of the aryl hydrocarbon receptor (AHR) by endogenous ligands has been implicated in a variety of physiological processes such as cell cycle regulation, cell differentiation and immune responses. It is reported that tryptophan metabolites, such as kynurenine (Kyn) and 6-formylindolo(3,2-b)carbazole (FICZ), are endogenous ligands for AHR (Stockinger et al., 2014). This protocol is designed for treatment with Kyn or FICZ in mouse embryonic fibroblasts (MEFs) or primary peripheral monocytes. [摘要]  通过内源性配体活化芳基烃受体(AHR)已涉及多种生理过程,如细胞周期调控,细胞分化和免疫应答。据报道,色氨酸代谢物,如犬尿胆碱(Kyn)和6-甲基吲哚(3,2-b)咔唑(FICZ)是AHR的内源性配体(Stockinger等人,2014)。该方案设计用于在小鼠胚胎成纤维细胞(MEF)或初级周边单核细胞中用Kyn或FICZ进行治疗。

背景 色氨酸代谢物如Kyn和FICZ是生理条件下AHR的内源性配体。 Kyn由色氨酸-2,3-双加氧酶(TDO)和/或吲哚胺-2,3-双加氧酶1和2(IDO1 / 2)产生,并有助于抑制抗肿瘤反应和恶性进展(Stockinger等人,2014)。 ...

Extraction and Quantification of Tryptophan and Kynurenine from Cultured Cells and Media Using a High Performance Liquid Chromatography (HPLC) System Equipped with an Ultra-Sensitive Diode Array Detector
Author:
Date:
2016-04-05
[Abstract]  Evidence of the involvement of tryptophan and its metabolite, kynurenine, in various biological processes including cancer is constantly expanding. Analysis of cell extracts and culture media can allow for quick snapshots of the metabolic fluctuations occurring in vitro. Here, we describe a method for metabolite extraction from mammalian cells and analysis of extracted metabolites and cell culture media by HPLC with detection using an ultra-sensitive diode array detector. [摘要]  色氨酸及其代谢物,犬尿氨酸参与包括癌症在内的各种生物过程的证据不断扩大。 细胞提取物和培养基的分析可以允许在体外发生的代谢波动的快速快照。 在这里,我们描述了一种从哺乳动物细胞代谢物提取的方法,提取代谢物和细胞培养基通过HPLC检测使用超敏二极管阵列检测器分析。

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