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  2. Protein Tyrosine Kinase/RTK
  3. VEGFR
  4. Ki8751

Ki8751是有效地 VEGFR2 抑制劑，IC50 值為0.9 nM。

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Ki8751 Chemical Structure

Ki8751 Chemical Structure

CAS No. : 228559-41-9

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規(guī)格 價格 是否有貨 數(shù)量
10 mM * 1 mL in DMSO ￥522
In-stock
1 mg ￥200
In-stock
5 mg ￥505
In-stock
10 mg ￥884
In-stock
25 mg ￥1663
In-stock
50 mg ￥2727
In-stock
100 mg ￥4360
In-stock
200 mg 現(xiàn)貨 詢價
500 mg   詢價  
1 g   詢價  

* Please select Quantity before adding items.

    Ki8751 purchased from MCE. Usage Cited in: Cell Death Dis. 2018 Sep 24;9(10):982.  [Abstract]

    Western blot is performed to detect the expression of VEGFR2, p-VEGFR2, Akt, p-Akt, mTOR, p-mTOR, E-cadherin, Vimentin, and N-cadherin after adding Ki8751 to HCT116, and HCT8 cells.

    查看 VEGFR 亞型特異性產(chǎn)品:

    • 生物活性

    • 實驗參考方法

    • 純度 & 產(chǎn)品資料

    • 參考文獻

    生物活性

    Ki8751 is a potent VEGFR2 inhibitor with an IC50 of 0.9 nM.

    IC50 & Target

    VEGFR2

    0.9 nM (IC50)

    細胞效力
    (Cellular Effect)
    Cell Line Type Value Description References
    HUVEC IC50
    1 μM
    Compound: Ki8751
    Antiangiogenic activity in HUVEC assessed as inhibition of cell proliferation after 72 hrs by MTT assay
    Antiangiogenic activity in HUVEC assessed as inhibition of cell proliferation after 72 hrs by MTT assay
    		[PMID: 22148396]
    HUVEC IC50
    1.4 μM
    Compound: Ki8751
    Growth inhibition of HUVEC by WST-8 assay
    Growth inhibition of HUVEC by WST-8 assay
    		[PMID: 24601669]
    體外研究
    (In Vitro)

    Ki8751 inhibits VEGFR-2 phosphorylation at an IC50 value of 0.90 nM, and also inhibits the PDGFR family members such as PDGFRR and c-Kit at 67 nM and 40 nM, respectively. However, Ki8751 does not have any inhibitory activity against other kinases such as EGFR, HGFR, InsulinR and others even at 10000 nM. Ki8751 suppresses the growth of the VEGF-stimulated human umbilical vein endothelial cell (HUVEC) on a nanomolar level[1].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.
    體內(nèi)研究
    (In Vivo)

    Ki8751 shows significant antitumor activity against five human tumor xenografts such as GL07 (glioma), St-4 (stomach carcinoma), LC6 (lung carcinoma), DLD-1 (colon carcinoma) and A375 (melanoma) in nude mice and also shows complete tumor growth inhibition with the LC-6 xenograft in nude rats following oral administration once a day for 14 days at 5 mg/kg without any body weight loss[1].

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

    469.41

    Formula

    C24H18F3N3O4
    CAS 號
    性狀

    固體

    顏色

    White to off-white

    運輸條件

    Room temperature in continental US; may vary elsewhere.
    儲存方式
    Powder -20°C 3 years
    4°C 2 years
    In solvent -80°C 2 years
    -20°C 1 year
    溶解性數(shù)據(jù)
    細胞實驗： 

    DMSO 中的溶解度 : 33.33 mg/mL (71.00 mM; 超聲助溶 (<60°C); 吸濕的 DMSO 對產(chǎn)品的溶解度有顯著影響，請使用新開封的 DMSO)

    配制儲備液
    濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg
    1 mM 2.1303 mL 10.6517 mL 21.3033 mL
    5 mM 0.4261 mL 2.1303 mL 4.2607 mL
    查看完整儲備液配制表

    * 請根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲備液；一旦配成溶液，請分裝保存，避免反復凍融造成的產(chǎn)品失效。
    儲備液的保存方式和期限：-80°C, 2 years; -20°C, 1 year。-80°C儲存時，請在2年內(nèi)使用， -20°C儲存時，請在1年內(nèi)使用。

    • 摩爾計算器

    • 稀釋計算器

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

    質(zhì)量
    =
    濃度
    ×
    體積
    ×
    分子量 *

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

    This equation is commonly abbreviated as: C1V1 = C2V2

    濃度 (start)

    C1

    ×
    體積 (start)

    V1

    =
    濃度 (final)

    C2

    ×
    體積 (final)

    V2

    動物實驗：

    請根據(jù)您的 實驗動物和給藥方式 選擇適當?shù)娜芙夥桨浮?

    以下溶解方案都請先按照 In Vitro 方式配制澄清的儲備液，再依次添加助溶劑：
    ——為保證實驗結(jié)果的可靠性，澄清的儲備液可以根據(jù)儲存條件，適當保存；體內(nèi)實驗的工作液，建議您現(xiàn)用現(xiàn)配，當天使用；
    以下溶劑前顯示的百分比是指該溶劑在您配制終溶液中的體積占比；如在配制過程中出現(xiàn)沉淀、析出現(xiàn)象，可以通過加熱和/或超聲的方式助溶

    • 方案 一

      請依序添加每種溶劑： 10% DMSO    40% PEG300    5% Tween-80    45% Saline

      Solubility: 2.5 mg/mL (5.33 mM); 懸濁液; 超聲助溶

      此方案可獲得 2.5 mg/mL的均勻懸濁液，懸濁液可用于口服和腹腔注射。

      以 1 mL 工作液為例，取 100 μL 25.0 mg/mL 的澄清 DMSO 儲備液加到 400 μL PEG300 中，混合均勻；再向上述體系中加入 50 μL Tween-80，混合均勻；然后再繼續(xù)加入 450 μL 生理鹽水 定容至 1 mL。

      生理鹽水的配制：將 0.9 g 氯化鈉，溶解于 ddH?O 并定容至 100 mL，可以得到澄清透明的生理鹽水溶液。
    • 方案 二

      請依序添加每種溶劑： 10% DMSO    90% (20% SBE-β-CD in Saline)

      Solubility: 2.5 mg/mL (5.33 mM); 懸濁液; 超聲助溶

      此方案可獲得 2.5 mg/mL的均勻懸濁液，懸濁液可用于口服和腹腔注射。

      以 1 mL 工作液為例，取 100 μL 25.0 mg/mL 的澄清 DMSO 儲備液加到 900 μL 20% 的 SBE-β-CD 生理鹽水水溶液 中，混合均勻。

      2 g SBE-β-CD（磺丁基醚 β-環(huán)糊精）粉末定容于 10 mL 的生理鹽水中，完全溶解至澄清透明。
    動物溶解方案計算器
    請輸入動物實驗的基本信息：

    給藥劑量

    mg/kg

    動物的平均體重

    g

    每只動物的給藥體積

    μL

    動物數(shù)量

    只
    由于實驗過程有損耗，建議您多配一只動物的量
    請輸入您的動物體內(nèi)配方組成：
    %
    DMSO +
    % 
    +
    %
    Tween-80 +
    %
    Saline
    如果您的動物是免疫缺陷鼠或者體弱鼠，建議 DMSO 中的在最后工作液體系中的占比盡量不超過 2%。
    方案所需 助溶劑 包括：DMSO， ，均可在 MCE 網(wǎng)站選購。 ，Tween 80，均可在 MCE 網(wǎng)站選購。
    計算結(jié)果
    工作液所需濃度 : mg/mL
    儲備液配制方法 : mg 藥物溶于 μL  DMSO（母液濃度為 mg/mL）。
    您所需的儲備液濃度超過該產(chǎn)品的實測溶解度，以下方案僅供參考，如有需要，請與 MCE 中國技術支持聯(lián)系。
    動物實驗體內(nèi)工作液的配制方法 : 取 μL DMSO 儲備液，加入 μL 。 μL ，混合均勻至澄清，再加 μL Tween 80，混合均勻至澄清，再加 μL 生理鹽水。
    連續(xù)給藥周期超過半月以上，請謹慎選擇該方案。
    請確保第一步儲備液溶解至澄清狀態(tài)，從左到右依次添加助溶劑。您可采用超聲加熱 （超聲清洗儀，建議頻次 20-40 kHz），渦旋吹打等方式輔助溶解。
    純度 & 產(chǎn)品資料

    純度: 98.15%

    參考文獻
    Kinase Assay
    [1]

    VEGFR-2 kinase assay is described below; GST-fusion proteins of KDR (Flk-1: cytoplasmic domain) are produced in the baculo-virus expression system. GST-KDR is premixed with a serial dilution of Ki8751 in the kinase buffer. The kinase reaction is initiated by the addition of 2 μM ATP in a solution of MnCl2. After 20 min incubation at room temperature, the reaction is stopped with an addition of EDTA. Phosphorylation levels of GST-KDR are detected by immunoblotting with anti-phosphotyrosine monoclonal antibodies (PY20) and detected by ECL fluorography[1].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.
    Cell Assay
    [1]

    HUVECs are placed at a density of 4000 cells/200 μL/well on collagene type I precoated 96-well plates in M199 medium with 5% fetal bovine serum (FBS). After 24 h, the cells are incubated for 1 h in the presence or absence of Ki8751; then the cells are stimulated by rhVEGF (20 ng/mL). The cultures are incubated at 37 °C for 72 h, then pulsed with 1 μCi/well [3H]thymidine and reincubated for 14 h. Cells are assayed for the incorporation of tritium using a beta counter[1].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.
    Animal Administration
    [1]

    Mice: The effects of Ki8751 on tumor growth is tested against various tumors, human stomach carcinoma (St-4), human lung carcinoma (LC-6), human colon carcinoma (DLD-1) and human melanoma (A375), using human tumor xenografts in nude mice. Ki8751 is administered orally to mice in the experimental groups once a day for 9 consecutive days at 5 mg/kg, and the vehicle is administered to control animals. Tumor volumes are monitored twice weekly[1].

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

    完整儲備液配制表

    * 請根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲備液；一旦配成溶液，請分裝保存，避免反復凍融造成的產(chǎn)品失效。
    儲備液的保存方式和期限：-80°C, 2 years; -20°C, 1 year。-80°C儲存時，請在2年內(nèi)使用， -20°C儲存時，請在1年內(nèi)使用。

    可選溶劑 濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg 25 mg
    DMSO 1 mM 2.1303 mL 10.6517 mL 21.3033 mL 53.2583 mL
    5 mM 0.4261 mL 2.1303 mL 4.2607 mL 10.6517 mL
    10 mM 0.2130 mL 1.0652 mL 2.1303 mL 5.3258 mL
    15 mM 0.1420 mL 0.7101 mL 1.4202 mL 3.5506 mL
    20 mM 0.1065 mL 0.5326 mL 1.0652 mL 2.6629 mL
    25 mM 0.0852 mL 0.4261 mL 0.8521 mL 2.1303 mL
    30 mM 0.0710 mL 0.3551 mL 0.7101 mL 1.7753 mL
    40 mM 0.0533 mL 0.2663 mL 0.5326 mL 1.3315 mL
    50 mM 0.0426 mL 0.2130 mL 0.4261 mL 1.0652 mL
    60 mM 0.0355 mL 0.1775 mL 0.3551 mL 0.8876 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.

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