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  1. Neuronal Signaling
  2. Beta-secretase
  3. LY2811376

LY2811376 是一種可口服的,非肽段的 β-secretase (BACE1) 抑制劑,IC50 值為 239 nM-249 nM,能夠降低 Aβ 蛋白的分泌,EC50 值為 300 nM。

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LY2811376 Chemical Structure

LY2811376 Chemical Structure

CAS No. : 1194044-20-6

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10 mM * 1 mL in DMSO ¥1377
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1 mg ¥569
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5 mg ¥1252
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10 mg ¥2358
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Customer Review

    LY2811376 purchased from MCE. Usage Cited in: FEBS J. 2017 Apr;284(7):1096-1109.  [Abstract]

    SH-SY5Y cells are transfected with APPsw plasmid together with ciRS-7 plasmid or control plasmids for 48 h, then the transfected cells are treated with 100 μM BI LY2811376, or 20 μM TAPI or DMSO as vehicle control for an additional 12 h. Cell lysates are analyzed by 12% Tris/Tricine gel with C20 antibody to detect APP C-terminal fragments C99 and C83, 10% Tris/Tricine gel to detect full-length APP and NRG.

    查看 Beta-secretase 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

    LY2811376 is the first orally available non-peptidic β-secretase (BACE1) inhibitor with IC50 of 239 nM-249 nM, that acts to decrease Aβ secretion with EC50 of 300 nM, and demonstrates to have 10-fold selectivity towards BACE1 over BACE2, and more than 50-fold inhibition over other aspartic proteases including cathepsin D, pepsin, or renin.

    IC50 & Target

    BACE1

     

    體外研究
    (In Vitro)

    In an APP-overexpressing human embryonic kidney cell line, LY2811376 treatment yields a concentration-dependent decrease in Aβ secretion with a half-maximal effective concentration (EC50) of appr 300 nM. LY2811376 treatment of primary neuronal cultures of PDAPP transgenic mouse produces a concentration-dependent decrease in Aβ secretion with an EC50 of appr 100 nM[1]. LY2811376 has good ADME properties (BACE1 IC50=240 nM, cellular potency IC50=300 nM) and selectivity (BACE2 and cathepsin D selectivity: appr 10- and 65-fold, respectively)[3]. LY2811376 reduces the Aβ40 levels in cortex and plasma without change of health and weight in a dose-dependent manner[4].

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

    體內(nèi)研究
    (In Vivo)

    LY2811376 (10, 30, and 100 mg/kg, p.o.) results in dose-dependent, significant reductions in Aβ as well as sAPPβ and C99, the proximal cleavage products of APP proteolysis by BACE1. LY2811376 produces dose-dependent decreases in all APP-related PD markers of BACE1 inhibition in PDAPP mice. Low (30 mg) and high (90 mg) doses of LY2811376 investigated in the CSF sampling study are based on PK and plasma Aβ1-40 PD observed in the SAD study[1]. LY2811376 (30 mg/kg, p.o.) can lead to a 60% decrease in the soluble Aβs in mouse cortex[2]. LY2811376 (100 mg/kg, p.o.) decreases the spine density and formation in mice. LY2811376 (100 mg/kg every 12 hours over 16 days) causes a reduction in the frequency of sEPSC and mEPSC, whereas the effects of LY2811376 on the amplitude of sEPSC fails to reach significance[4].

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

    Clinical Trial
    分子量

    320.36

    Formula

    C15H14F2N4S

    CAS 號
    性狀

    固體

    顏色

    White to khaki

    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 : ≥ 31 mg/mL (96.77 mM; 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)

    * "≥" means soluble, but saturation unknown.

    配制儲備液
    濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg
    1 mM 3.1215 mL 15.6074 mL 31.2149 mL
    5 mM 0.6243 mL 3.1215 mL 6.2430 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(fù)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(dāng)?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(dāng)保存;體內(nèi)實驗的工作液,建議您現(xiàn)用現(xiàn)配,當(dāng)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 (7.80 mM); 澄清溶液

      此方案可獲得 ≥ 2.5 mg/mL(飽和度未知)的澄清溶液。

      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 (7.80 mM); 澄清溶液

      此方案可獲得 ≥ 2.5 mg/mL(飽和度未知)的澄清溶液。

      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。

      20% SBE-β-CD in Saline 的配制(4°C,儲存一周):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

    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(shù)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: 99.89%

    參考文獻
    Animal Administration
    [1]

    Sprague Dawley [Crl:CD(SD)] rats (10 per sex per group), appr 7 weeks of age, are given 0 (vehicle only), 10, 30, or 100 mg/kg LY2811376 by daily oral gavage. Vehicle consists of 1% (w/v) hydroxyethylcellulose, 0.25% (v/v) polysorbate 80, and 0.05% (v/v) Dow Corning Antifoam 1510-US in reverse osmosis water. At necropsy after 3 months of treatment, tissues are immersion fixed in 10% neutral-buffered formalin (brain) or modified Davidson's solution (eyes) and then processed by routine methods to paraffin block and hematoxylin-eosin (H&E)-stained histologic slides. From selected animals given 100 mg/kg on a subsequent investigative study, eyes are fixed in modified Karnovsky's solution, processed routinely into epoxy resin, and then ultrathin sections stained with uranyl acetate and Sato's lead citrate are examined in a transmission electron microscope. In a separate study, BACE1 knock-out mice (B6.129-Bace1tm1Pcw/J) are given 0 or 100 mg/kg LY2811376 by daily oral gavage for 9 weeks, and then necropsied tissues are collected and examined by light microscopy as described above for the rat toxicology study.

    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(fù)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 3.1215 mL 15.6074 mL 31.2149 mL 78.0372 mL
    5 mM 0.6243 mL 3.1215 mL 6.2430 mL 15.6074 mL
    10 mM 0.3121 mL 1.5607 mL 3.1215 mL 7.8037 mL
    15 mM 0.2081 mL 1.0405 mL 2.0810 mL 5.2025 mL
    20 mM 0.1561 mL 0.7804 mL 1.5607 mL 3.9019 mL
    25 mM 0.1249 mL 0.6243 mL 1.2486 mL 3.1215 mL
    30 mM 0.1040 mL 0.5202 mL 1.0405 mL 2.6012 mL
    40 mM 0.0780 mL 0.3902 mL 0.7804 mL 1.9509 mL
    50 mM 0.0624 mL 0.3121 mL 0.6243 mL 1.5607 mL
    60 mM 0.0520 mL 0.2601 mL 0.5202 mL 1.3006 mL
    80 mM 0.0390 mL 0.1951 mL 0.3902 mL 0.9755 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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    產(chǎn)品名稱:
    LY2811376
    目錄號:
    HY-10472
    需求量: