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  2. Neuronal Signaling PI3K/Akt/mTOR Autophagy
  3. Beta-secretase PI3K Amyloid-β Autophagy
  4. LX2343

LX2343 是一種 BACE1 酶抑制劑，IC50 值為 11.43±0.36 μM。LX2343 是一種非 ATP 競爭性的 PI3K 抑制劑，IC50 為 15.99±3.23 μM。LX2343 刺激自噬促進(jìn) Aβ 清除。

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LX2343 Chemical Structure

LX2343 Chemical Structure

CAS No. : 333745-53-2

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規(guī)格 價格 是否有貨 數(shù)量
10 mM * 1 mL in DMSO ￥610
In-stock
1 mg ￥246
In-stock
5 mg ￥584
In-stock
10 mg ￥878
In-stock
25 mg ￥1475
In-stock
50 mg ￥2213
In-stock
100 mg ￥3188
In-stock
200 mg   詢價  
500 mg   詢價  

* Please select Quantity before adding items.

Customer Review

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  • 生物活性

  • 實驗參考方法

  • 純度 & 產(chǎn)品資料

  • 參考文獻(xiàn)

生物活性

LX2343 is a BACE1 enzyme inhibitor with an IC50 value of 11.43±0.36 μM. LX2343 acts as a non-ATP competitive PI3K inhibitor with an IC50 of 15.99±3.23 μM. LX2343 stimulates autophagy in its promotion of Aβ clearance.

IC50 & Target[1]

BACE1

11.43 μM (IC50)

PI3K

15.99 μM (IC50)

Aβ

 

Autophagy

 

體外研究
(In Vitro)

LX2343 (5-20 μM) dose-dependently decreased Aβ accumulation in HEK293-APPsw and CHO-APP cells, and promotes Aβ clearance in SH-SY5Y cells and primary astrocytes. LX2343 ameliorates cognitive dysfunction in APP/PS1 transgenic mice via both Aβ production inhibition and clearance promotion, which highlights the potential of LX2343 in the treatment of AD. Western blot results in both HEK293-APPsw cells and CHO-APP cells demonstrate that LX2343 fails to regulate BACE1 protein levels, while in vitro BACE1 enzymatic activity assays indicated that LX2343 dose-dependently decreases BACE1 activity (TDC as a positive control) with an IC50 of 11.43±0.36 μM. To test whether competition exists between LX2343 and ATP, we investigated the effects of ATP at different concentrations on the inhibitory activity of LX2343. The result demonstrated that the inhibition of LX2343 against PI3K is virtually unaffected by ATP. Thus, this result suggested that LX2343 is a non-ATP competitive inhibitor of PI3K. In the presence of 10 μM of ATP, the IC50 of LX2343 is 13.11±1.47 μM, in the presence of 50 μM ATP, the IC50 of LX2343 is 13.86±1.12 μM, in the presence of 100 μM ATP, the IC50 of LX2343 is 15.99±3.23 μM [1].

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

APP/PS1 mice express chimeric human Swedish mutant APP and a mutant human presenilin 1 protein and are widely used as an effective animal model for AD dementia. The amelioration of memory impairment by LX2343 is evaluated t in this model using the MWM test. In 8-d training trials, the path lengths and escape latencies used to find the platform for APP/PS1 transgenic mice are remarkably longer than those for non-transgenic mice, while 10 mg/kg LX2343 administration obviously antagonizes the prolonged path lengths and escape latencies at d 7 and 8. In the probe trial assay, the LX2343-administered transgenic mice cross over the hidden location of the platform more frequently compared with the vehicle-administered transgenic mice[1].

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

474.91

Formula

C22H19ClN2O6S
CAS 號
性狀

固體

顏色

White to off-white

運(yùn)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(xì)胞實驗： 

DMSO 中的溶解度 : ≥ 100 mg/mL (210.57 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 2.1057 mL 10.5283 mL 21.0566 mL
5 mM 0.4211 mL 2.1057 mL 4.2113 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 (5.26 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。

    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% Corn Oil

    Solubility: ≥ 2.5 mg/mL (5.26 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，此方案實驗周期在半個月以上的動物實驗酌情使用。

    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玉米油中，混合均勻。

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(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(jǐn)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: 99.80%

參考文獻(xiàn)
Kinase Assay
[1]

Inhibition of BACE1 enzyme by LX2343 is assayed using BACE1 activity kits in vitro. Briefly, BACE1 substrate (250 nM), BACE1 enzyme (0.35 U/mL), and varied concentrations of LX2343 (5, 10, and 20 μM) are sequentially incubated for 1 h at 37°C in the dark. Fluorescence intensity is measured with excitation and emission wavelengths at 545 and 585 nm, respectively[1].

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

SH-SY5Y cells are transfected with mRFP-GFP-LC3 plasmids via an adenovirus. The cells are treated without or with Streptozotocin (0.8 mM) in combination with 5 or 20 μM LX2343 for 4 h and then fixed with 4% paraformaldehyde and observed using an Olympus Fluoview FV1000 confocal microscope[1].

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

Mice[1]
APP/PS1 [B6C3-Tg(APPswe, PS1dE9)] transgenic mice are used. Genotyping to confirm APP/PS1 DNA sequences in their offspring is performed by assaying the DNA from tail biopsies, with Tg-negative mice as a negative control. Twenty male APP/PS1 mice are divided into two groups with ten non-transgenic mice in one group to serve as a negative control. The two 6-month transgenic groups are administered 10 mg/kg per day of LX2343 or vehicle, and the 6-month non-transgenic group is administered the vehicle for 100 d via intraperitoneal injection. After 100 d of administration, MWM assays are applied to evaluate the cognitive abilities of the mice for 8 d under continuous LX2343 treatment. Upon completion of the MWM test, the mice are euthanized, and the brains are removed and bisected at the mid-sagittal plane. The right hemispheres are frozen and stored at -80°C, and the left hemispheres are fixed in 4% paraformaldehyde[1].

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

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 2.1057 mL 10.5283 mL 21.0566 mL 52.6416 mL
5 mM 0.4211 mL 2.1057 mL 4.2113 mL 10.5283 mL
10 mM 0.2106 mL 1.0528 mL 2.1057 mL 5.2642 mL
15 mM 0.1404 mL 0.7019 mL 1.4038 mL 3.5094 mL
20 mM 0.1053 mL 0.5264 mL 1.0528 mL 2.6321 mL
25 mM 0.0842 mL 0.4211 mL 0.8423 mL 2.1057 mL
30 mM 0.0702 mL 0.3509 mL 0.7019 mL 1.7547 mL
40 mM 0.0526 mL 0.2632 mL 0.5264 mL 1.3160 mL
50 mM 0.0421 mL 0.2106 mL 0.4211 mL 1.0528 mL
60 mM 0.0351 mL 0.1755 mL 0.3509 mL 0.8774 mL
80 mM 0.0263 mL 0.1316 mL 0.2632 mL 0.6580 mL
100 mM 0.0211 mL 0.1053 mL 0.2106 mL 0.5264 mL
Help & FAQs
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產(chǎn)品名稱：
LX2343
目錄號：
HY-111383
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