AG-1478 (Tyrphostin AG-1478)

AG-1478(Tyrphostin AG-1478)は、3nMのIC50による選択的な上皮細胞増殖因子受容体(EGFR)チロシン・キナーゼ阻害剤です。

目録号S2728
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AG-1478 (Tyrphostin AG-1478) 化学構造
分子量: 315.75

品質と確認

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Quality Control & MSDS

製品情報

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製品の説明

生物活性

情報 AG-1478(Tyrphostin AG-1478)は、3nMのIC50による選択的な上皮細胞増殖因子受容体(EGFR)チロシン・キナーゼ阻害剤です。
目標

EGFR

IC50

3 nM [1]

In vitro試験 AG-1478 is high selective over ErbB2 and PDGFR with IC50 of >100 μM. [1] AG-1478 preferentially inhibits U87MG cells expressing truncated EGFR with IC50 of 8.7 μM, compared to those expressing endogenous wt EGFR or overexpressing exogenous wt EGFR with IC50 of 34.6 μM and 48.4 μM, respectively, and inhibits the DNA synthesis with IC50 of 4.6 μM, 19.67 μM, and 35.2 μM, respectively. AG-1478 also preferentially inhibits the tyrosine kinase activity and autophosphorylation of the ΔEGFR compared to endogenous or overexpressed exogenous wt EGFR. [2] AG-1478 (0.25 μM) abolishes the MAPK activation induced by Ang II, a Ca2+ ionophore as well as EGF but not by a phorbol ester or platelet-derived growth factor-BB in the VSMC. [3] AG-1478 inhibits EGF-induced mitogenesis of the BaF/ERX and LIM1215 cells with IC50 of 0.07 μM and 0.2 μM, respectively. [6] AG1478 is able to inhibit the function of ATP-binding cassette (ABC) transporters such as ABCB1 and ABCG2, with a more pronounced effect on ABCG2. [7]
In vivo試験 Administration of AG-1478 blocks phosphorylation of the EGFR at the tumor site and inhibits the growth of A431 xenografts that overexpress the WT EGFR and glioma xenografts expressing the de2-7 EGFR. Even subtherapeutic doses of AG-1478 significantly enhance the efficacy of cytotoxic drugs, with the combination of AG-1478 and temozolomide displaying synergistic antitumor activity against human glioma xenografts. The combination of AG-1478 and an anti-EGFR antibody (mAb 806) displays additive and in some cases synergistic, antitumor activity against tumor xenografts overexpressing the EGFR. [4] The combination of AG-1478 (0.4 mg) with a single dose of 25 μCi 90Y-CHX-A''-DTPA-hu3S193 results in a significant enhancement of efficacy compared with either agent alone. [5]
臨床試験
特集

推薦された実験操作 (公開の文献だけ)

細胞アッセイ:

[2]

細胞系 U87MG
濃度 Dissolved in DMSO, final concentrations ~100 μM
処理時間 72 hours
方法

Cells are exposed to different concentrations of AG-1478 for 72 hours in 96-well plates. The effects of AG-1478 on cell growth are examined using an Alamar Blue assay. A 20-μL aliquot of Alamar Blue is added to each well, and its absorbance is determined using a Spectromax Scanning Micro plate Reader. The effects of AG-1478 are expressed as percentage of growth inhibition using untreated cells as the control (0% inhibition). Cellular DNA synthesis is determined using a [3H]thymidine incorporation assay.

動物実験:

[4]

動物モデル Female BALB/c nu/nu mice inoculated s.c. with A431 or U87MG.Δ2-7 tumor cells
製剤 Dissolved in 100 mM Captisol
投薬量 ~1 mg/kg
管理 Injection i.p. three times per week
Solubility 15% Captisol, 30 mg/mL
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesBaboonDogMonkeyRabbitGuinea pigRatHamsterMouse
Weight (kg)121031.80.40.150.080.02
Body Surface Area (m2)0.60.50.240.150.050.0250.020.007
Km factor202012128653
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

参考

化学情報

Download AG-1478 (Tyrphostin AG-1478) SDF
分子量 315.75
化学式

C16H14ClN3O2

CAS No. 153436-53-4
保管 2年-20℃
6月-80℃in DMSO
別名 NSC 693255
溶解度 (25°C) * In vitro DMSO 25 mg/mL (79 mM)
<1 mg/mL (<1 mM)
エタノール 13 mg/mL (41 mM)
In vivo 15% Captisol, 30 mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
化学名 N-(3-chlorophenyl)-6,7-dimethoxyquinazolin-4-amine

研究分野

カスタマーレビュー (2)


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Source , , PLoS One. 2013 Aug 1;8(8):e70353 . AG-1478 (Tyrphostin AG-1478) purchased from Selleck
Method Western blot
Cell Lines EGFR-expressing cells
Concentrations 5 uM
Incubation Time 24 h
Results Treatment with 5 μM of AG1478 abolished EGF-induced morphological changes and TACC3 induction , and as a consequence, EGF-mediated EMT was inhibited.

Click to enlarge
Rating
Source , , PLoS One. 2013 Aug 1;8(8):e70353 . AG-1478 (Tyrphostin AG-1478) purchased from Selleck
Method microscope imaging
Cell Lines EGFR-expressing cells
Concentrations 5 uM
Incubation Time 24 h
Results Treatment with 5 μM of AG1478 abolished EGF-induced morphological changes and TACC3 induction.

製品表彰状 (5)

技術サポート&よくある質問(FAQ)

顧客がするかもしれない質問に対する答えは、指示を取り扱っている阻害剤で見つかります。話題は、貯蔵液(阻害剤と特別な注意を細胞ベースの分析法と動物のために必要とする問題を保存することは実験します)を準備する方法を含みます。

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