2. Membrane Transporter/Ion Channel Neuronal Signaling Apoptosis Metabolic Enzyme/Protease Immunology/Inflammation GPCR/G Protein
  3. iGluR Apoptosis Endogenous Metabolite CXCR GPR35
  4. Kynurenic acid sodium

Kynurenic acid sodium  (Synonyms: 犬尿喹啉酸钠盐)

目录号: HY-107512 纯度: 99.79%
COA 产品使用指南

摩尔计算器

Kynurenic acid sodium 是一种内源性色氨酸代谢物，是针对靶点 NMDA, glutamate, α7 nicotinic acetylcholine receptor 的光谱性拮抗剂。Kynurenic acid sodium 也是 GPR35/CXCR8 的激动剂。

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Kynurenic acid sodium Chemical Structure

Kynurenic acid sodium Chemical Structure

CAS No. : 2439-02-3

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10 mM * 1 mL in DMSO ￥550
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100 mg ￥500
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Other Forms of Kynurenic acid sodium:

Kynurenic acid sodium 相关抗体

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  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

Kynurenic acid sodium, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid sodium is also an agonist of GPR35/CXCR8.

IC50 & Target

NMDA Receptor

 

Human Endogenous Metabolite

 

体外研究
(In Vitro)

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].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Kynurenic acid sodium 相关抗体:
体内研究
(In Vivo)

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<0.05), after 7 and 28 days of administering the acid to the animals[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Clinical Trial
分子量

211.15

Formula

C10H6NNaO3
CAS 号
性状

固体

颜色

Light yellow to gray

中文名称

犬尿喹啉酸钠盐
结构分类
初始来源
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

溶解性数据
In Vitro: 

DMSO 中的溶解度 : 50 mg/mL (236.80 mM; 超声助溶; 吸湿的 DMSO 对产品的溶解度有显著影响，请使用新开封的 DMSO)

H2O 中的溶解度 : < 0.1 mg/mL (insoluble)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 4.7360 mL 23.6798 mL 47.3597 mL
5 mM 0.9472 mL 4.7360 mL 9.4719 mL
查看完整储备液配制表

* 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-80°C储存时，请在6个月内使用，-20°C储存时，请在1个月内使用。

  • 摩尔计算器

  • 稀释计算器

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

质量
=
浓度
×
体积
×
分子量 *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start)

C1

×
体积 (start)

V1

=
浓度 (final)

C2

×
体积 (final)

V2

In Vivo:

请根据您的 实验动物和给药方式 选择适当的溶解方案。

以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：
——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用；
以下溶剂前显示的百分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

  • 方案 一

    请依序添加每种溶剂： 10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (11.84 mM); 澄清溶液

    此方案可获得 ≥ 2.5 mg/mL（饱和度未知）的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；再向上述体系中加入 50 μL Tween-80，混合均匀；然后再继续加入 450 μL 生理盐水 定容至 1 mL。

    生理盐水的配制：将 0.9 g 氯化钠，溶解于 ddH₂O 并定容至 100 mL，可以得到澄清透明的生理盐水溶液。
  • 方案 二

    请依序添加每种溶剂： 10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (11.84 mM); 澄清溶液

    此方案可获得 ≥ 2.5 mg/mL（饱和度未知）的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液 中，混合均匀。

    20% SBE-β-CD in Saline 的配制（4°C，储存一周）：2 g SBE-β-CD（磺丁基醚 β-环糊精）粉末定容于 10 mL 的生理盐水中，完全溶解至澄清透明。
动物溶解方案计算器
请输入动物实验的基本信息：

给药剂量

mg/kg

动物的平均体重

g

每只动物的给药体积

μL

动物数量

只
由于实验过程有损耗，建议您多配一只动物的量
请输入您的动物体内配方组成：
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
如果您的动物是免疫缺陷鼠或者体弱鼠，建议 DMSO 中的在最后工作液体系中的占比尽量不超过 2%。
方案所需 助溶剂 包括：DMSO， ，均可在 MCE 网站选购。 ，Tween 80，均可在 MCE 网站选购。
计算结果
工作液所需浓度 : mg/mL
储备液配制方法 : mg 药物溶于 μL  DMSO（母液浓度为 mg/mL）。

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

您所需的储备液浓度超过该产品的实测溶解度，以下方案仅供参考，如有需要，请与 MCE 中国技术支持联系。
动物实验体内工作液的配制方法 : 取 μL DMSO 储备液，加入 μL 。 μL ，混合均匀至澄清，再加 μL Tween 80，混合均匀至澄清，再加 μL 生理盐水。
连续给药周期超过半月以上，请谨慎选择该方案。
请确保第一步储备液溶解至澄清状态，从左到右依次添加助溶剂。您可采用超声加热 （超声清洗仪，建议频次 20-40 kHz），涡旋吹打等方式辅助溶解。
纯度 & 产品资料

纯度: 99.79%

COA (172 KB) LCMS (93 KB)

产品使用指南 (1538 KB)
参考文献
Kinase Assay
[1]

CHO-GPR35 stable cells are pretreated with or without pertussis toxin (100 ng/mL) for 16 h before harvesting. Cells are resuspended and homogenized in 10 mM Tris-HCl (pH 7.4), 1 mM EDTA followed by centrifugation at 1000 ×g for 10 min at 4 °C to remove nuclei and cellular debris. Membrane fractions are collected by spinning the supernatant at 38,000 ×g for 30 min and resuspended in 20 mM HEPES (pH 7.5) and 5 mM MgCl2. 25 μg of membranes is incubated at room temperature for 1 h in assay buffer (20 mM HEPES, 5 m MMgCl2, 0.1% bovine serum albumin (pH 7.5)) containing 3 μM GDP and 0.1 nM[35S]GTPγS in the absence or presence of kynurenic acid. Reactions are terminated by vacuum filtration through GF/B filters, and the retained radioactivities are quantified on liquid scintillation counter[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[3]

Mouse: The experiment is performed on 160 male BALB/c mice, aged 10-12 weeks, with body weight of 22-26 g. The animals are maintained on a 12-h light/dark cycle at controlled temperature (20 ±1°C) and supplied with rodent chow and water ad libitum throughout the experiment. Mice are divided randomLy into four equal groups: control group (0) not receiving the Kynurenic acid, and three experimental groups administered the Kynurenic acid solution in drinking water at concentrations of 2.5, 25 or 250 mg/L. After 3, 7, 14 and 28 consecutive days of administration of the Kynurenic acid solution, 10 individuals from each group are sacrificed. The animals are anesthetized by inhalation of Aerrane and their blood is collected by heart puncture. Blood collected from five individuals of each group is used for the MTT assay, and from the next five for the flow cytometry[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
参考文献

Kynurenic acid sodium 相关分类

完整储备液配制表

* 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-80°C储存时，请在6个月内使用，-20°C储存时，请在1个月内使用。

可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 4.7360 mL 23.6798 mL 47.3597 mL 118.3992 mL
5 mM 0.9472 mL 4.7360 mL 9.4719 mL 23.6798 mL
10 mM 0.4736 mL 2.3680 mL 4.7360 mL 11.8399 mL
15 mM 0.3157 mL 1.5787 mL 3.1573 mL 7.8933 mL
20 mM 0.2368 mL 1.1840 mL 2.3680 mL 5.9200 mL
25 mM 0.1894 mL 0.9472 mL 1.8944 mL 4.7360 mL
30 mM 0.1579 mL 0.7893 mL 1.5787 mL 3.9466 mL
40 mM 0.1184 mL 0.5920 mL 1.1840 mL 2.9600 mL
50 mM 0.0947 mL 0.4736 mL 0.9472 mL 2.3680 mL
60 mM 0.0789 mL 0.3947 mL 0.7893 mL 1.9733 mL
80 mM 0.0592 mL 0.2960 mL 0.5920 mL 1.4800 mL
100 mM 0.0474 mL 0.2368 mL 0.4736 mL 1.1840 mL
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Kynurenic acid2439-02-3犬尿喹啉酸钠盐iGluRApoptosisEndogenous MetaboliteCXCRGPR35Ionotropic glutamate receptorsCXC chemokine receptorsC-X-C motif chemokine receptorsG Protein-Coupled Receptor 35Inhibitorinhibitorinhibit

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