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DAPT

別名: GSI-IX, LY-374973

DAPT是一種新型γ-secretase抑制劑,抑制 Aβ產(chǎn)生,在HEK 293細(xì)胞中IC50為20 nM。DAPT可促進(jìn)人類舌癌細(xì)胞的凋亡并調(diào)節(jié)自噬。

DAPT Chemical Structure

DAPT Chemical Structure

CAS: 208255-80-5

規(guī)格 價(jià)格 庫存 購買數(shù)量
10mM (1mL in DMSO) 916.57 現(xiàn)貨
5mg 578.14 現(xiàn)貨
25mg 1715.51 現(xiàn)貨
50mg 3028.65 現(xiàn)貨
100mg 4668.3 現(xiàn)貨
1g 7944.3 現(xiàn)貨
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常與DAPT一起在實(shí)驗(yàn)中被使用的化合物

GI254023X


DAPT和GI254023X阻斷了與OP9- dll1 /OP9細(xì)胞共培養(yǎng)的PC3細(xì)胞的NOTCH激活。

Jouannet S, et al. Cell Mol Life Sci. 2016 May;73(9):1895-915.

SU5402


DAPT和SU5402與其他小分子抑制劑一起,加速了人類多能干細(xì)胞(hPSCs)中功能性早期皮質(zhì)神經(jīng)元的衍生。

Qi Y, et al. Nature biotechnology 35.2 (2017): 154-163.

SB431542


DAPT和SB431542與其他小分子一起,有效地將培養(yǎng)的人類胎兒星形膠質(zhì)細(xì)胞重編程為功能神經(jīng)元。

Ma NX, et al. Frontiers in Cell and Developmental Biology 7 (2019): 82.

Y-27632 2HCl


DAPT和Y-27632 2HCl與其他小分子化合物一起用于muller (MCs)/TR-MUL5細(xì)胞的體外刺激。

Fujii Y, et al. PLoS One. 2023 Feb 23;18(2):e0282174.

DAPT相關(guān)產(chǎn)品

細(xì)胞實(shí)驗(yàn)數(shù)據(jù)示例

細(xì)胞系 實(shí)驗(yàn)類型 給藥濃度 孵育時(shí)間 活性描述 文獻(xiàn)信息
HT29? Growth Inhibition Assay 0.5-75 μM 12/24/48 h inhibits the cell growth in a concentration manner 25257945
A549 CD133? Growth Inhibition Assay 2 μM 48 h enhances cell growth inhibition induced by CDDP 24502949
A549 CD133+ Growth Inhibition Assay 2 μM 48 h enhances cell growth inhibition induced by CDDP 24502949
SHG-44 Growth Inhibition Assay 0.5-10 μM 1-5 d inhibits the cell viability at the optimal concentration of 1 μM 25063285
MG63 Function Assay 100 μM 24 h desensitizes the cell line to cisplatin treatment 24894297
Saos-2 Function Assay 100 μM 24 h desensitizes the cell line to cisplatin treatment 24894297
U251 Growth Inhibition Assay 2 μM 48 h strengthens?t-AUCB-induced cell growth suppression 24793313
U87? Growth Inhibition Assay 2 μM 48 h strengthens?t-AUCB-induced cell growth suppression 24793313
U251 Function Assay 2 μM 48 h blocks?t-AUCB-induced activation of the p38 MAPK/MAPKAPK2/Hsp27 pathway and inhibits expression of NICD1 24793313
A549? Growth Inhibition Assay 10 μM 24h decreases the cell viability combined with PTE 23671619
GC-B? Growth Inhibition Assay 6.25-100 μM 24 h inhibits the cell growth in a dose-dependent manner 19542446
U87? Function Assay 2 μM 48 h blocks?t-AUCB-induced activation of the p38 MAPK/MAPKAPK2/Hsp27 pathway and inhibits expression of NICD1 24793313
Cytotoxicity assay SNU475 72 hrs Cytotoxicity against human SNU475 cells assessed as growth inhibition after 72 hrs by SRB assay, Displacement of [3H]IN973 from gamma-secretase in human THP1 cells, acvalue.. ChEMBL
Cytotoxicity assay HuH7 72 hrs Cytotoxicity against human HuH7 cells assessed as growth inhibition after 72 hrs by SRB assay, Cytotoxicity against human SNU475 cells assessed as growth inhibition after 72 hrs by SRB assay, Displacement of [3H]IN973 from gamma-secretase in human THP1 cells, acvalue... ChEMBL
Cytotoxicity assay Hep3B 72 hrs Cytotoxicity against human Hep3B cells assessed as growth inhibition after 72 hrs by SRB assay, Cytotoxicity against human HuH7 cells assessed as growth inhibition after 72 hrs by SRB assay, Cytotoxicity against human SNU475 cells assessed as growth inhibition after 72 hrs by SRB assay, Displacement of [3H]IN973 from gamma-secretase in human THP1 cells, acvalue.... ChEMBL
Cytotoxicity assay Mahlavu 72 hrs Cytotoxicity against human Mahlavu cells assessed as growth inhibition after 72 hrs by SRB assay, Cytotoxicity against human Hep3B cells assessed as growth inhibition after 72 hrs by SRB assay, Cytotoxicity against human HuH7 cells assessed as growth inhibition after 72 hrs by SRB assay, Cytotoxicity against human SNU475 cells assessed as growth inhibition after 72 hrs by SRB assay, Displacement of [3H]IN973 from gamma-secretase in human THP1 cells, acvalue..... ChEMBL
Function assay THP1 Displacement of [3H]IN973 from gamma-secretase in human THP1 cells, acvalue. 17932033
點(diǎn)擊查看更多細(xì)胞系數(shù)據(jù)

生物活性

產(chǎn)品描述 DAPT是一種新型γ-secretase抑制劑,抑制 Aβ產(chǎn)生,在HEK 293細(xì)胞中IC50為20 nM。DAPT可促進(jìn)人類舌癌細(xì)胞的凋亡并調(diào)節(jié)自噬。
特性 DAPT(GSI-IX)是新型γ-分泌酶抑制劑。
靶點(diǎn)
Notch [1] [1]
(HEK 293 cells)
20 nM
體外研究(In Vitro)
體外研究活性 DAPT功能性抑制γ-分泌酶而降低HEK 293細(xì)胞中全部Aβ產(chǎn)量,IC50為20 nM。DAPT作用于原代培養(yǎng)的人神經(jīng)細(xì)胞,也抑制Aβ產(chǎn)量,作用于全部Aβ和Aβ42時(shí), IC50分別為115 nM和200 nM,比作用于HEK 293細(xì)胞時(shí)低5-10倍。最新研究顯示DAPT 抑制SK-MES-1 細(xì)胞增殖,這種作用存在濃度依賴性,IC50為11.265 μM。此外, DAPT作用于肺鱗狀細(xì)胞癌細(xì)胞,通過抑制Notch受體信號(hào)通路,也誘導(dǎo)依賴型和非依賴型細(xì)胞凋亡。[1]
激酶實(shí)驗(yàn) 體外Aβ減少檢測實(shí)驗(yàn)
轉(zhuǎn)染APP751(HEK 293)基因的人類胚胎腎細(xì)胞,用于常規(guī) Aβ減少檢測。細(xì)胞接種在96孔板上,在含10%熱滅活胎牛血清的DMEM培養(yǎng)基上粘附過夜。 DAPT 在 DMSO中稀釋,終濃度為0.1% DMSO。使用DAPT在37oC下預(yù)處理細(xì)胞2小時(shí),吸除培養(yǎng)基,使用新鮮實(shí)驗(yàn)化合物溶液。再處理2小時(shí)后,抽除條件培養(yǎng)基,使用標(biāo)準(zhǔn) ELISA(266-3D6)分析全部Aβ。根據(jù)使用 0.1% DMSO 處理的對(duì)照組細(xì)胞,測量Aβ產(chǎn)量的減少,表示為抑制百分?jǐn)?shù)。實(shí)驗(yàn)至少按6種劑量重復(fù)進(jìn)行,得到實(shí)驗(yàn)數(shù)據(jù),然后使用XLfit軟件擬合四參數(shù)方程,測定 藥性。培養(yǎng)的人和PDAPP小鼠神經(jīng)細(xì)胞在無血清培養(yǎng)基上生長,增強(qiáng)他們的神經(jīng)元特性,其中有90%以上神經(jīng)元在實(shí)驗(yàn)使用前成熟。通過在每孔中加入新鮮培養(yǎng)基,然后在沒有DAPT存在時(shí),在37oC下溫育24小時(shí),收集條件培養(yǎng)基中得到的基底Aβ值。使用含DAPT的新鮮培養(yǎng)基,按所需濃度范圍在37oC下再處理培養(yǎng)細(xì)胞24小時(shí),收集條件培養(yǎng)基。為了測量全部Aβ,使用與HE2K 293細(xì)胞實(shí)驗(yàn) 相同的ELISA(266-3D6) 分析樣本。通過分開的ELISA(21F12-3D6),使用特定Aβ42 C-端捕獲抗體,進(jìn)行Aβ42 產(chǎn)量分析。測定對(duì)全部Aβ和Aβ42產(chǎn)量的抑制情況。繪制與DAPT濃度相對(duì)的抑制百分?jǐn)?shù),使用 XLfit 軟件分析數(shù)據(jù),測定藥性。
細(xì)胞實(shí)驗(yàn) 細(xì)胞系 SK-MES-1
濃度 2.5 μM到 160 μM
孵育時(shí)間 72小時(shí)
方法 細(xì)胞接種在96孔板上,使用0.1% DMSO或 DAPT(濃度為2.5 μM-160 μM )處理72小時(shí)。使用MTT染料減少檢測實(shí)驗(yàn),稍微修正,測定細(xì)胞毒性。與DAPT溫育后, 20 μL MTT溶液 (5 mg/mL,溶于 PBS)加到含 180 μL培養(yǎng)基的每孔中,實(shí)驗(yàn)板在37 oC下溫育4小時(shí),隨后每孔加入150 μL DMSO,在室溫下震蕩15分鐘混合。通過酶聯(lián)免疫吸附法在490 nm處測定吸光值。使用α-MEM 及等量的MTT 溶液和溶劑,作為空白對(duì)照。使用PROBIT 程序在SPSS中計(jì)算IC50值。
實(shí)驗(yàn)圖片 檢測方法 檢測指標(biāo) 實(shí)驗(yàn)圖片 PMID
Western blot Snail / N-cadherin / Vimentin / E-cadherin Bax / caspase-3 / Bcl-2 NICD / Pax7 / Pax3 / MyoD / Myogenin / p21 24932308
Growth inhibition assay Cell viability 27118928
Immunofluorescence CDK5 18662245
體內(nèi)研究(In Vivo)
體內(nèi)研究活性 DAPT按100mg/kg劑量處理PDAPP小鼠,產(chǎn)生強(qiáng)勁和持久的藥效,1小時(shí)內(nèi)腦中 DAPT水平超過100 ng/g ,且處理后,持續(xù)上升達(dá)18小時(shí),3小時(shí)后的時(shí)候觀察到最高水平為490 ng/g。在此期間, DAPT 按100 mg/kg劑量處理,也降低大腦皮層全部Aβ和Aβ42,這種作用存在劑量依賴性,降低50%。[1] DAPT按40 mg/kg劑量作用于大鼠大腦皮層, 抑制LPS誘導(dǎo)的γ分泌酶活性,且提高攜帶長期神經(jīng)炎癥的細(xì)胞凋亡。[3]
動(dòng)物實(shí)驗(yàn) Animal Models 過表達(dá)淀粉樣前體蛋白APPV717F 突變型的雜合PDAPP轉(zhuǎn)基因小鼠
Dosages ≤100 mg/kg
Administration 口服處理
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06292117 Recruiting
Ischemic Stroke|CYP2C19 Polymorphism
University of Virginia|American Heart Association
April 16 2024 --
NCT06074549 Recruiting
Coronary Artery Disease
Elixir Medical Corporation
March 10 2024 --
NCT06223607 Recruiting
Baseline Thrombocytopenia
Methodist Health System
August 22 2022 --

化學(xué)信息&溶解度

分子量 432.46 分子式

C23H26F2N2O4

CAS號(hào) 208255-80-5 SDF Download DAPT SDF
Smiles CC(C(=O)NC(C1=CC=CC=C1)C(=O)OC(C)(C)C)NC(=O)CC2=CC(=CC(=C2)F)F
儲(chǔ)存條件(自收到貨起)

體外溶解度
批次:

DMSO : 86 mg/mL ( (198.86 mM) ;DMSO吸濕會(huì)降低化合物溶解度,請使用新開封DMSO)

Ethanol : 41 mg/mL (94.8 mM)

Water : Insoluble

摩爾濃度計(jì)算器

體內(nèi)溶解度
批次:

現(xiàn)配現(xiàn)用,請按從左到右的順序依次添加,澄清后再加入下一溶劑

動(dòng)物體內(nèi)配方計(jì)算器

實(shí)驗(yàn)計(jì)算

摩爾濃度計(jì)算器

質(zhì)量 濃度 體積 分子量

動(dòng)物體內(nèi)配方計(jì)算器(澄清溶液)

第一步:請輸入基本實(shí)驗(yàn)信息(考慮到實(shí)驗(yàn)過程中的損耗,建議多配一只動(dòng)物的藥量)

mg/kg g μL

第二步:請輸入動(dòng)物體內(nèi)配方組成(配方適用于不溶于水的藥物;不同批次藥物配方比例不同,請聯(lián)系Selleck為您提供正確的澄清溶液配方)

% DMSO % % Tween 80 % ddH2O
%DMSO %

計(jì)算結(jié)果:

工作液濃度: mg/ml;

DMSO母液配制方法: mg 藥物溶于μL DMSO溶液(母液濃度mg/mL,:如該濃度超過該批次藥物DMSO溶解度,請先聯(lián)系Selleck);

體內(nèi)配方配制方法:μL DMSO母液,加入μL PEG300,混勻澄清后加入μL Tween 80,混勻澄清后加入μL ddH2O,混勻澄清。

體內(nèi)配方配制方法:μL DMSO母液,加入μL Corn oil,混勻澄清。

注意:1. 首先保證母液是澄清的;
2.一定要按照順序依次將溶劑加入,進(jìn)行下一步操作之前必須保證上一步操作得到的是澄清的溶液,可采用渦旋、超聲或水浴加熱等物理方法助溶。

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常見問題及建議解決方法

問題 1:
Could you please help test the formulation of S2215 for in vivo studies?

回答:
S2215 DAPT in 30% PEG400+0.5% Tween80+5% Propylene glycol at 10 mg/ml is a suspension. We tried to add some EtOH, and it dissolved clearly in organice solvents, but when water added, the precipitation went out immediately. Then we tried other vehicles, and found S2215 can be dissolved in 4% DMSO+corn oil at 10 mg/ml clearly.

問題 2:
I would like to ask if you would recommend this product used in endothelial cells (e.g. both murine and human endothelial cells).

回答:
I think DAPT can be used in endothelial cells from both human and mouse, please see the following reference: http://www.ncbi.nlm.nih.gov/pubmed/19481797; http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2615564/

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