13585831301
021-59541103 021-60443211
3004967995
13585831301021-59541103 021-604432113004967995
在線訂購 免費訂購熱線：021-59541103 021-60443211
聯系人:高小姐
電話:021-59541103 021-60443211
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Q Q： 3004967995
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詳細地址：上海嘉定區嘉羅公路1661
化學性質：
| 規格 | 1g |
| CAS | 492-27-3 |
| 別名 | N/A |
| 化學名 | 4-oxo-1,4-dihydroquinoline-2-carboxylic acid |
| 分子式 | C10H7NO3 |
| 分子量 | 189.17 |
| 溶解度 | 0.1 M NaOH: 1 mg/ml |
| 儲存條件 | Store at -20°C |
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while. |
| Shipping Condition | Evaluation sample solution : ship with blue ice |
產品描述：
Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.
GPR35 functions as a receptor for the kynurenine pathway intermediate kynurenic acid. Kynurenic acid elicits calcium mobilization and inositol phosphate production in a GPR35-dependent manner in the presence of G qi/o chimeric G proteins. Kynurenic acid stimulates [35S]guanosine 5′-O-(3-thiotriphosphate) binding in GPR35-expressing cells, an effect abolished by pertussis toxin treatment. Kynurenic acid also induces the internalization of GPR35[1]. KYNA’s neuroinhibitory qualities and its neuroprotective and anticonvulsant effects are discovered using concentrations of the compound in the millimolar range. This, as well as the low affinity of KYNA at each of the three ionotropic glutamate receptors responsible for these effects [NMDA, alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) and kainate], together with the realization that KYNA concentrations in the mammalian brain are in the sub-micromolar range, suggested that other receptors might serve as targets of endogenous Kynurenic acid. Kynurenic acid, with a shallower inhibition curve and non-competitively, antagonizes α7nAChRs on cultured hippocampal neurons with an IC50 in the low micromolar range[2].
Kynurenic acid affects the activity of leukocytes in the peripheral blood of mice, although the lowest one (2.5 mg/L) has the most profound influence in contrast to the highest one (250 mg/L), which produces the weakest effect. The lowest Kynurenic acid dose stimulates the proliferative response of T lymphocytes (p
References:
[1]. Wang J, et al. Kynurenic acid as a ligand for orphan G protein-coupled receptor GPR35. J Biol Chem. 2006 Aug 4;281(31):22021-8.
[2]. Albuquerque EX, et al. Kynurenic acid as an antagonist of α7 nicotinic acetylcholine receptors in the brain: facts and challenges. Biochem Pharmacol. 2013 Apr 15;85(8):1027-32.
[3]. Ma?aczewska J, et al. Effect of oral administration of kynurenic acid on the activity of the peripheral blood leukocytes in mice. Cent Eur J Immunol. 2014;39(1):6-13.
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原創作者：上海莼試生物技術有限公司
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賬 戶 名：上海生物
開 戶 行：中國銀行山東省分行營業部
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