标签归档：caffeic

Caffeic acid phenethyl ester(Synonyms: 咖啡酸苯乙酯)

发表于由

上海金畔生物科技有限公司为生命科学和医药研发人员提供生物活性分子抑制剂、激动剂、特异性抑制剂、化合物库、重组蛋白，专注于信号通路和疾病研究领域。

Caffeic acid phenethyl ester (Synonyms: 咖啡酸苯乙酯) 纯度: 98.19%

Caffeic acid phenethyl ester 是一种 NF-κB 抑制剂。

Caffeic acid phenethyl ester(Synonyms: 咖啡酸苯乙酯)

Caffeic acid phenethyl ester Chemical Structure

CAS No. : 104594-70-9

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Free Sample (0.1-0.5 mg)   Apply now  
10 mM * 1 mL in DMSO ￥500 In-stock
5 mg ￥450 In-stock
10 mg ￥600 In-stock
100 mg ￥990 In-stock
200 mg   询价  
500 mg   询价  

* Please select Quantity before adding items.

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生物活性

Caffeic acid phenethyl ester is a NF-κB inhibitor.

IC50 & Target[1]

NF-κB

 

体外研究
(In Vitro)

Caffeic acid phenethyl ester is a NF-κB inhibitor. Cell survival and proliferation of CRPC cell lines are all significantly suppressed by Caffeic acid phenethyl ester (CAPE) treatment dose-dependently. The growth inhibitory effect of Caffeic acid phenethyl ester is evident within 24 hours of treatment but the suppressive effect accumulates over time. The IC50 of 24, 48, 72, and 96 h Caffeic acid phenethyl ester treatment on LNCaP 104-R1 cells is 64.0, 30.5, 20.5, and 18.0 μM, respectively. Colony formation assay reveals that treatment with 10 μM Caffeic acid phenethyl ester reduces colony formation of LNCaP 104-R1 cells by 90% while treatment with 20 μM Caffeic acid phenethyl ester completely blocks the formation of LNCaP 104-R1 colonies. Flow cytometric analysis reveals a reduction of cells in the S phase and G2/M phase but an increase of cells in the G1 phase population in LNCaP 104-R1 cells under Caffeic acid phenethyl ester treatment. Caffeic acid phenethyl ester treatment also significantly decreases protein levels of fatty acid synthase (FAS), retinoblastoma protein (Rb), phospho-Rb Ser807/811, c-Myc, p70S6kinase, phospho-p70S6kinase Thr421/Ser424, Skp2, p90RSK, and NF-κB p65[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
体内研究
(In Vivo)

Administration of Caffeic acid phenethyl ester (CAPE) by gavage (10 mg/kg body weight per day) for eight weeks results in 50% reduction of tumor volume, suggesting that Caffeic acid phenethyl ester treatment retards the growth of LNCaP 104-R1 xenografts. Caffeic acid phenethyl ester gavage slows down the tumor growth of LNCaP 104-R1 cells, which is consistent with our observation that Caffeic acid phenethyl ester treatment induces cell cycle arrest but not apoptosis[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
分子量

284.31

Formula

C17H16O4
CAS 号

104594-70-9
中文名称

咖啡酸苯乙酯
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

DMSO : 100 mg/mL (351.73 mM; Need ultrasonic)

H2O : 1 mg/mL (3.52 mM; ultrasonic and warming and heat to 80°C)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 3.5173 mL 17.5864 mL 35.1729 mL
5 mM 0.7035 mL 3.5173 mL 7.0346 mL
10 mM 0.3517 mL 1.7586 mL 3.5173 mL

*

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。-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。

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

  • 1.

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

    Solubility: ≥ 2.5 mg/mL (8.79 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (8.79 mM，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；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。

    将 0.9 g 氯化钠，完全溶解于 100 mL ddH₂O 中，得到澄清透明的生理盐水溶液

  • 2.

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

    Solubility: ≥ 2.5 mg/mL (8.79 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (8.79 mM，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。

    将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中，再用生理盐水定容至 10 mL，完全溶解，澄清透明
  • 3.

    请依序添加每种溶剂： 10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (8.79 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (8.79 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。

    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玉米油中，混合均匀。

*以上所有助溶剂都可在 上海金畔生物科技有限公司 网站选购。
参考文献

  • [1]. Lin HP, et al. Caffeic acid phenethyl ester induced cell cycle arrest and growth inhibition in androgen-independent prostate cancer cells via regulation of Skp2, p53, p21Cip1 and p27Kip1. Oncotarget. 2015 Mar 30;6(9):6684-707.
Kinase Assay
[1]

LNCaP 104-R1 cells are treated with 0, 10, 20, or 40 μM Caffeic acid phenethyl ester (CAPE) for 96 h. Three biological replicates of cells are lysed in SDS lysis buffer (240 mM Tris-acetate, 1% SDS, 1% glycerol, 5 mM EDTA pH 8.0) with DTT, protease inhibitors, and a cocktail of phosphatase inhibitors. Micro-Western Arrays are performed to measure protein expression and phosphorylation status modification[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
Cell Assay
[1]

LNCaP 104-R1 cells are seeded at a density of 3×103 cells per well in a 96-well plate. After 24 h, the cells are treated with increasing concentrations of Caffeic acid phenethyl ester (CAPE) for 96 h. Cell viability is assessed by an MTT (3,4,5-dimethylthiazol-2-yl)-2–5-diphenyltetrazolium bromide) assay. The amount of formazan is determined by measuring the absorbance at 560 nm using a plate reader. All results are normalized to the average of the control condition in each individual experiment. All experiments are repeated three times. Each time ten wells are utilized for each condition. The mean and standard deviation represent the results from all 30 wells in the three experiments[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[1]

Male Balb/c nu/nu mice at age 6 to 8 weeks of age are injected subcutaneously in both flanks with 5×105 LNCaP 104-R1 cells suspended in 0.5 mL of Matrigel and are injected subcutaneously into athymic mice to form tumors. After 14 weeks, the average tumor volume exceeds 150 mm3. The mice are then separated into control group and Caffeic acid phenethyl ester (CAPE) treatment group. Control group contains 6 mice and 8 tumors, while Caffeic acid phenethyl ester treatment group contains 6 mice and 9 tumors. Caffeic acid phenethyl ester (10 mg/kg/day in sesame oil) or vehicle (sesame oil) is administered by gavage starting from 14th week after cancer cell injection. Tumor volume and body weight of mice carrying 104-R1 xenografts are measured weekly using calipers and volume is calculated using the formula volume=length×width×height×0.52[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
参考文献

  • [1]. Lin HP, et al. Caffeic acid phenethyl ester induced cell cycle arrest and growth inhibition in androgen-independent prostate cancer cells via regulation of Skp2, p53, p21Cip1 and p27Kip1. Oncotarget. 2015 Mar 30;6(9):6684-707.

所有产品仅用作科学研究或药证申报，我们不为任何个人用途提供产品和服务

Caffeic acid(Synonyms: 咖啡酸)

发表于由

上海金畔生物科技有限公司为生命科学和医药研发人员提供生物活性分子抑制剂、激动剂、特异性抑制剂、化合物库、重组蛋白，专注于信号通路和疾病研究领域。

Caffeic acid (Synonyms: 咖啡酸) 纯度: 98.71%

Caffeic acid 是 TRPV1 离子通道和 5-脂氧合酶 (5-LO) 的抑制剂。

Caffeic acid(Synonyms: 咖啡酸)

Caffeic acid Chemical Structure

CAS No. : 331-39-5

规格 价格 是否有货 数量
Free Sample (0.1-0.5 mg)   Apply now  
10 mM * 1 mL in DMSO ￥550 In-stock
100 mg ￥500 In-stock
5 g ￥850 In-stock
10 g   询价  
50 g   询价  

* Please select Quantity before adding items.

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生物活性

Caffeic acid is an inhibitor of both TRPV1 ion channel and 5-Lipoxygenase (5-LO).

IC50 & Target

Human Endogenous Metabolite

 

5-LO

 

体外研究
(In Vitro)

Caffeic acid has inhibitory effects on histamine-induced responses and the inhibitory effect of Caffeic acid is gradually increased when the concentration used for pretreatment is increased from 0.1 to 1 mM, similar to typical dose-dependent responses. Pretreatment of HEK293T-TRPV1 cells with 1 mM Caffeic acid results in significant inhibition of capsaicin-induced responses. When lower concentration of Caffeic acid is used, the inhibitory effect for capsaicin-induced responses is less evident. Calcium imaging experiments show that Caffeic acid incubation results in significant inhibition in histamine-sensitive dorsal root ganglion (DRG) neurons. Pretreatment with Caffeic acid (1 mM) results in a significant decrease in the percentage of responsive DRG neurons to histamine application from 12.5% to 2.1%. Pretreatment with 1 mM Caffeic acid dramatically blocks the allylisothiocyanate (AITC)-induced intracellular calcium increase in TRPA1-expressing cells. Caffeic acid is also able to block the AITC-induced activation of TRPA1[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
体内研究
(In Vivo)

Mice pretreated with Caffeic acid (500 mg/kg) exhibit significantly less histamine-induced scratching (30.50±10.87 bouts/1 h, n=6). It is further found that the lower dose of Caffeic acid (100 mg/kg) is not significantly effective in terms of anti-scratching effects in histamine-induced scratching, although there appears to be a tendency of reduction (49.40±12.35 bouts/1 h, n=5). The chloroquine induced scratching is significantly inhibited by pretreatment with 500 mg/kg of Caffeic acid (161.6±31.42 bouts/1 h, n=5)[1].Caffeic acid significantly reduces the expression of 5-LO mRNA (P<0.01) dose-dependently in hippocampus. Compare with the ischemia-reperfusion (I/R) non-treated group, 5-LO protein expression is significantly reduced in the I/R-Caffeic acid group (P<0.05 or P<0.01), especially in the I/R-Caffeic acid group (50 mg/kg). Compare with the I/R non-treated group, the latency to find platform is significantly shortened in low- and high-dose Caffeic acid groups, the shortened platform latency is most evident in the I/R- Caffeic acid group (50 mg/kg) (P<0.01). In the low-dose Caffeic acid group, cell injury is still marked, the pyknosis ratio is (63.6±2.8)%, whereas in the high-dose Caffeic acid group, hippocampal neuron karyopyknosis is significantly reduced and the pyknosis ratio is (13.3±3.0)%[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
Clinical Trial

分子量

180.16

Formula

C9H8O4
CAS 号

331-39-5
中文名称

咖啡酸
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

DMSO : 100 mg/mL (555.06 mM; Need ultrasonic)

H2O : < 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 5.5506 mL 27.7531 mL 55.5062 mL
5 mM 1.1101 mL 5.5506 mL 11.1012 mL
10 mM 0.5551 mL 2.7753 mL 5.5506 mL

*

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。-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。

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

  • 1.

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

    Solubility: ≥ 2.5 mg/mL (13.88 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (13.88 mM，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。

    将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中，再用生理盐水定容至 10 mL，完全溶解，澄清透明
  • 2.

    请依序添加每种溶剂： 10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (13.88 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (13.88 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。

    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玉米油中，混合均匀。

  • 3.

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

    Solubility: ≥ 2.08 mg/mL (11.55 mM); Clear solution

    此方案可获得 ≥ 2.08 mg/mL (11.55 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。

    将 0.9 g 氯化钠，完全溶解于 100 mL ddH₂O 中，得到澄清透明的生理盐水溶液

*以上所有助溶剂都可在 上海金畔生物科技有限公司 网站选购。
参考文献

  • [1]. Pradhananga S, et al. Caffeic acid exhibits anti-pruritic effects by inhibition of multiple itch transmission pathways in mice. Eur J Pharmacol. 2015 Sep 5;762:313-21.

    [2]. Liang G, et al. The protective effect of caffeic acid on global cerebral ischemia-reperfusion injury in rats. Behav Brain Funct. 2015 Apr 18;11:18.
Cell Assay
[1]

To determine cell viability, MTT assay is performed. HEK293T cells are cultured in 96-well plate at 37°C, a day before so that the confluence of cell is 85 to 90% on the actual day of the experiment. On the day of the experiment the cells are treated with different concentration of Caffeic acid for 10 min. Control cells are treated only with media. After removing supernatant and washing with PBS, MTT reagent (5 mg/mL) is added directly to fresh media. Cells are then incubated at 37°C for additional 4 h followed by draining of the media and overnight storage in dark condition. The next day, DMSO is added to each well and mixed in shaker for 10 min after which plate is read using microplate recorder at 490 nm with a reference wavelength of 620 nm. The relative cell viability (%) is expressed as a percentage relative to the untreated control cells[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[2]

Rats are divided into five groups: the sham group (n=9), ischemia-reperfusion (I/R) non-treated group (n=9), I/R-Caffeic acid group (10 mg/kg) (n=9), I/R-Caffeic acid group (30 mg/kg) (n=9) and I/R- Caffeic acid group (50 mg/kg) (n=9). In I/R-Caffeic acid groups, the rats are administrated Caffeic acid at 10, 30, 50 mg/kg (prepared with 0.3% sodium carboxymethyl cellulose) by intraperitoneal injection at 30 min prior to ischemia. The sham group and I/R group are treated with an equal volume of 0.3% sodium carboxymethyl cellulose[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
参考文献

  • [1]. Pradhananga S, et al. Caffeic acid exhibits anti-pruritic effects by inhibition of multiple itch transmission pathways in mice. Eur J Pharmacol. 2015 Sep 5;762:313-21.

    [2]. Liang G, et al. The protective effect of caffeic acid on global cerebral ischemia-reperfusion injury in rats. Behav Brain Funct. 2015 Apr 18;11:18.

所有产品仅用作科学研究或药证申报，我们不为任何个人用途提供产品和服务