BIX

别名: 硫氰酸 2-(3,4-二羟基苯基)-2-氧代乙酯;2-(3,4-二羟基苯基)-2-氧代硫氰酸乙酯 (9ci);硫氰酸,2-(3,4-二羟基苯基)-2-氧代乙基酯
目录号: V12839 纯度: ≥98%
BIX (BiP Inducer X) 是一种新型有效的 BiP (Hsp70-5) ER 伴侣诱导剂,具有抗癌活性。
BIX CAS号: 101714-41-4
产品类别: New1
产品仅用于科学研究,不针对患者销售
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InvivoChem产品被CNS等顶刊论文引用
产品描述
BIX (BiP Inducer X) 是一种新型有效的 BiP (Hsp70-5) ER 伴侣诱导剂,具有抗癌活性。它可以保护神经元免受内质网应激。
生物活性&实验参考方法
体外研究 (In Vitro)
BiP 诱导剂 X(5 μM;0–12 小时;SK–N–SH 细胞)可增加 BiP 蛋白[1]。 BiP 诱导 ATF6 途径,ATF6 途径又诱导 BiP[1]。 BiP 诱导剂 X(5 μM;12 小时;用 SK-N-SH 细胞预处理)通过抑制 caspase 3/7 和 4 的激活来减少 ER 应激引起的细胞死亡[1]。
体内研究 (In Vivo)
BiP诱导剂X的使用减轻了脑梗死造成的损伤[1]。脑室内给予 20 μg 剂量的 BiP 诱导剂 -34 g(日本 SLC)[1]。给药后 24 小时 BiP 蛋白水平显着增加,表明 BIX 治疗在体内产生 BiP 蛋白。
参考文献
[1]. Kudo T, et al. A molecular chaperone inducer protects neurons from ER stress. Cell Death Differ. 2008;15(2):364-375.
[2]. Yoo SA, et al. A novel pathogenic role of the ER chaperone GRP78/BiP in rheumatoid arthritis. J Exp Med. 2012;209(4):871-886.
其他信息
2-(3,4-dihydroxyphenyl)-2-oxoethyl thiocyanate is a member of the class of thiocyanates that is 3,4-dihydroxyacetophenone in which one of the methyl hydrogens has been replaced by the sulfur of a cyanosulfanediyl (-SC#N) group. It has been found to induce the expression of the endoplasmic reticulum chaperone protein GRP78 (78 kDa glucose-regulated protein, BiP, a highly conserved member of the 70 kDa heat shock protein family) leading to an attenuation of the unfolded protein response. It protects neuronal cells and retinal cells from endoplasmic reticulum (ER)-stress induced cell death. It is a member of thiocyanates, an aromatic ketone and a member of catechols.
*注: 文献方法仅供参考, InvivoChem并未独立验证这些方法的准确性
化学信息 & 存储运输条件
分子式
C9H7NO3S
分子量
209.22178
精确质量
209.014
CAS号
101714-41-4
PubChem CID
16656807
外观&性状
Brown to gray solid powder
密度
1.5±0.1 g/cm3
沸点
517.1±45.0 °C at 760 mmHg
熔点
127 °C
闪点
266.5±28.7 °C
蒸汽压
0.0±1.4 mmHg at 25°C
折射率
1.665
LogP
1.53
tPSA
106.62
氢键供体(HBD)数目
2
氢键受体(HBA)数目
5
可旋转键数目(RBC)
3
重原子数目
14
分子复杂度/Complexity
260
定义原子立体中心数目
0
SMILES
N#CSCC(C1C=CC(O)=C(O)C=1)=O
InChi Key
SVFLBLCWKKQKDW-UHFFFAOYSA-N
InChi Code
InChI=1S/C9H7NO3S/c10-5-14-4-9(13)6-1-2-7(11)8(12)3-6/h1-3,11-12H,4H2
化学名
[2-(3,4-dihydroxyphenyl)-2-oxoethyl] thiocyanate
HS Tariff Code
2934.99.9001
存储方式

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

运输条件
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
溶解度数据
溶解度 (体外实验)
DMSO : ~50 mg/mL (~238.98 mM)
溶解度 (体内实验)
配方 1 中的溶解度: ≥ 2.5 mg/mL (11.95 mM) (饱和度未知) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (这些助溶剂从左到右依次添加,逐一添加), 澄清溶液。
例如,若需制备1 mL的工作液,可将100 μL 25.0 mg/mL澄清DMSO储备液加入900 μL 20% SBE-β-CD生理盐水溶液中,混匀。
*20% SBE-β-CD 生理盐水溶液的制备(4°C,1 周):将 2 g SBE-β-CD 溶解于 10 mL 生理盐水中,得到澄清溶液。

请根据您的实验动物和给药方式选择适当的溶解配方/方案:
1、请先配制澄清的储备液(如:用DMSO配置50 或 100 mg/mL母液(储备液));
2、取适量母液,按从左到右的顺序依次添加助溶剂,澄清后再加入下一助溶剂。以 下列配方为例说明 (注意此配方只用于说明,并不一定代表此产品 的实际溶解配方):
10% DMSO → 40% PEG300 → 5% Tween-80 → 45% ddH2O (或 saline);
假设最终工作液的体积为 1 mL, 浓度为5 mg/mL: 取 100 μL 50 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀/澄清;向上述体系中加入50 μL Tween-80,混合均匀/澄清;然后继续加入450 μL ddH2O (或 saline)定容至 1 mL;

3、溶剂前显示的百分比是指该溶剂在最终溶液/工作液中的体积所占比例;
4、 如产品在配制过程中出现沉淀/析出,可通过加热(≤50℃)或超声的方式助溶;
5、为保证最佳实验结果,工作液请现配现用!
6、如不确定怎么将母液配置成体内动物实验的工作液,请查看说明书或联系我们;
7、 以上所有助溶剂都可在 Invivochem.cn网站购买。
制备储备液 1 mg 5 mg 10 mg
1 mM 4.7797 mL 23.8983 mL 47.7966 mL
5 mM 0.9559 mL 4.7797 mL 9.5593 mL
10 mM 0.4780 mL 2.3898 mL 4.7797 mL

1、根据实验需要选择合适的溶剂配制储备液 (母液):对于大多数产品,InvivoChem推荐用DMSO配置母液 (比如:5、10、20mM或者10、20、50 mg/mL浓度),个别水溶性高的产品可直接溶于水。产品在DMSO 、水或其他溶剂中的具体溶解度详见上”溶解度 (体外)”部分;

2、如果您找不到您想要的溶解度信息,或者很难将产品溶解在溶液中,请联系我们;

3、建议使用下列计算器进行相关计算(摩尔浓度计算器、稀释计算器、分子量计算器、重组计算器等);

4、母液配好之后,将其分装到常规用量,并储存在-20°C或-80°C,尽量减少反复冻融循环。

计算器

摩尔浓度计算器可计算特定溶液所需的质量、体积/浓度,具体如下:

  • 计算制备已知体积和浓度的溶液所需的化合物的质量
  • 计算将已知质量的化合物溶解到所需浓度所需的溶液体积
  • 计算特定体积中已知质量的化合物产生的溶液的浓度
使用摩尔浓度计算器计算摩尔浓度的示例如下所示:
假如化合物的分子量为350.26 g/mol,在5mL DMSO中制备10mM储备液所需的化合物的质量是多少?
  • 在分子量(MW)框中输入350.26
  • 在“浓度”框中输入10,然后选择正确的单位(mM)
  • 在“体积”框中输入5,然后选择正确的单位(mL)
  • 单击“计算”按钮
  • 答案17.513 mg出现在“质量”框中。以类似的方式,您可以计算体积和浓度。

稀释计算器可计算如何稀释已知浓度的储备液。例如,可以输入C1、C2和V2来计算V1,具体如下:

制备25毫升25μM溶液需要多少体积的10 mM储备溶液?
使用方程式C1V1=C2V2,其中C1=10mM,C2=25μM,V2=25 ml,V1未知:
  • 在C1框中输入10,然后选择正确的单位(mM)
  • 在C2框中输入25,然后选择正确的单位(μM)
  • 在V2框中输入25,然后选择正确的单位(mL)
  • 单击“计算”按钮
  • 答案62.5μL(0.1 ml)出现在V1框中
g/mol

分子量计算器可计算化合物的分子量 (摩尔质量)和元素组成,具体如下:

注:化学分子式大小写敏感:C12H18N3O4  c12h18n3o4
计算化合物摩尔质量(分子量)的说明:
  • 要计算化合物的分子量 (摩尔质量),请输入化学/分子式,然后单击“计算”按钮。
分子质量、分子量、摩尔质量和摩尔量的定义:
  • 分子质量(或分子量)是一种物质的一个分子的质量,用统一的原子质量单位(u)表示。(1u等于碳-12中一个原子质量的1/12)
  • 摩尔质量(摩尔重量)是一摩尔物质的质量,以g/mol表示。
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配液计算器可计算将特定质量的产品配成特定浓度所需的溶剂体积 (配液体积)

  • 输入试剂的质量、所需的配液浓度以及正确的单位
  • 单击“计算”按钮
  • 答案显示在体积框中
动物体内实验配方计算器(澄清溶液)
第一步:请输入基本实验信息(考虑到实验过程中的损耗,建议多配一只动物的药量)
第二步:请输入动物体内配方组成(配方适用于不溶/难溶于水的化合物),不同的产品和批次配方组成不同,如对配方有疑问,可先联系我们提供正确的体内实验配方。此外,请注意这只是一个配方计算器,而不是特定产品的确切配方。
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计算结果:

工作液浓度 mg/mL;

DMSO母液配制方法 mg 药物溶于 μL DMSO溶液(母液浓度 mg/mL)。如该浓度超过该批次药物DMSO溶解度,请首先与我们联系。

体内配方配制方法μL DMSO母液,加入 μL PEG300,混匀澄清后加入μL Tween 80,混匀澄清后加入 μL ddH2O,混匀澄清。

(1) 请确保溶液澄清之后,再加入下一种溶剂 (助溶剂) 。可利用涡旋、超声或水浴加热等方法助溶;
            (2) 一定要按顺序加入溶剂 (助溶剂) 。

生物数据图片
  • Role of GRP78 in synoviocyte survival. (A) Changes in ER sensor proteins in RA synoviocytes treated with 10 µM thapsigargin. The expressions of GRP78, p-eIF2α, ATF-6, BCL-2, and caspase-12 were determined by Western blot analysis. (B) The effect of Grp78 knockdown on synoviocyte survival. 2 d after transfection with siRNA for Grp78, the mRNA and protein expression levels of GRP78 in RA FLSs were determined by RT-PCR and Western blot analysis, respectively (left). The apoptosis of RA FLSs was induced by treating cells with 1 mM SNP for 12 h 2 d after Grp78 siRNA transfection. Degree of cell death was assessed by MTT assay (right). Results are the mean ± SD of more than four independent experiments performed in duplicate. *, P < 0.05 versus control siRNA–transfected cells. (C) RA FLSs were treated with BIX for 12 h, and then GRP78 expression was determined by Western blot analysis. Synoviocyte apoptosis was induced by treating RA FLSs with 10 µM thapsigargin in the presence or absence of BIX. *, P < 0.05 versus thapsigargin-treated cells in the absence of BIX. (D) SV40-immortalized RA FLSs were transfected with either the pFLAG-hGrp78 gene or pFLAG vector only. The protein expression levels for GRP78 were determined by Western blotting. (E and F) RA FLSs transfected with either the pFLAG-hGrp78 gene or pFLAG vector were treated with 5 µM thapsigargin (Tg) for 1 h, 10 µg/ml tunicamycin (Tm) for 12 h, or 5 mM SNP for 24 h. Cell viability was determined by MTT assay. *, P < 0.05 versus vector-transfected cells. (G) The apoptosis of RA FLSs harboring the pFLAG-hGrp78 gene or pFLAG vector was induced by treating cells with 5 µM thapsigargin or 10 µg/ml tunicamycin for 3 h. Degrees of apoptosis were assessed by APOPercentage apoptosis assay, a colorimetric method. Apoptotic cells appeared bright pink. Fold increase in apoptosis levels was expressed as pixel numbers. *, P < 0.05 versus vector-transfected cells. Bars, 100 µm. (C and E–G) Data show mean ± SD.[2]. Yoo SA, et al. A novel pathogenic role of the ER chaperone GRP78/BiP in rheumatoid arthritis. J Exp Med. 2012;209(4):871-886.
  • Increase in synovial hyperplasia and bone erosion in mice treated with BIX, a selective BiP/GRP78 inducer. (A) Hematoxylin and eosin staining of the joints of mice administered periarticularly on alternate days for 2 or 4 wk with BIX. Black arrows and arrowheads in the top panel indicate intact cartilages and minimal synovial proliferation, respectively. Pink arrows in the middle panel indicate the enhanced proliferation of synoviocytes, and black arrows in the bottom panel represent bone erosion. The rectangular area in the middle left image is magnified in the middle right image. (B) The histological scores for degrees of synovial hyperplasia in mice injected with BIX alone, collagenase (COL) alone, and collagenase plus BIX (n = 6 per group). *, P < 0.05 versus collagenase (only)-treated mice without injecting BIX. (C) vWF staining of the synovia of mice treated with collagenase plus BIX versus collagenase alone. Positive cells are shown in brown (black arrows). (D) Evaluation of synovial proliferation by PCNA staining. Positive staining in the synoviums is indicated by brown nuclei. Ratios of positive cells (the number of positive synoviocytes/total synoviocytes counted) are presented in the bottom panel. *, P < 0.001. (B and D) Data show mean ± SD. Bars: (A, top and middle left) 300 µm; (A, middle right and bottom) 120 µm; (C and D) 60 µm.[2]. Yoo SA, et al. A novel pathogenic role of the ER chaperone GRP78/BiP in rheumatoid arthritis. J Exp Med. 2012;209(4):871-886.
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