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(R)-(-)-Gossypol acetic acid

カタログ番号 T6396   CAS 866541-93-7
別名: (-)-Gossypol acetic acid, AT-101 (acetic acid), (R)-Gossypol acetic acid, AT101, AT101 acetate

(R)-(-)-Gossypol acetic acid (AT101 acetate) , the R-(-) enantiomer of Gossypol acetic acid, binds with Bcl-2, Bcl-xL and Mcl-1 with Ki of 0.32 μM, 0.48 μM and 0.18 μM; does not inhibit BIR3 domain and BID. Phase 2.

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(R)-(-)-Gossypol acetic acid, CAS 866541-93-7
パッケージサイズ 在庫状況 単価(税別)
サンプルについてお問い合わせ
5 mg 在庫あり ¥ 13,000
10 mg 在庫あり ¥ 23,500
25 mg 在庫あり ¥ 52,000
50 mg 在庫あり ¥ 93,000
100 mg 在庫あり ¥ 135,500
500 mg 在庫あり ¥ 294,000
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生物学的特性に関する説明
化学的特性
保存条件 & 溶解度情報
説明 (R)-(-)-Gossypol acetic acid (AT101 acetate) , the R-(-) enantiomer of Gossypol acetic acid, binds with Bcl-2, Bcl-xL and Mcl-1 with Ki of 0.32 μM, 0.48 μM and 0.18 μM; does not inhibit BIR3 domain and BID. Phase 2.
ターゲット&IC50 BCL-XL:0.48 μM(Ki), BCL2:0.32 μM(Ki), MCL1:0.18 μM(Ki)
In vitro AT-101 inhibits a panel of different lymphoproliferative malignancies with IC50 ranged from 1.2 μM to 7.4 μM. AT-101 (10 μM) disrupts the Δψm in a concentration- and time-dependent manner in a diffuse large B-cell and in mantle cell lymphoma lines. AT-101 (1 μM or 2 μM) combined with carfilzomib (6 nM or 10 nM) induces apoptosis in HBL-2 and Granta cell lines. [2] AT-101 (20 μM for 24 hours) results in a median 72% apoptosis and down-regulation of Mcl-1 in CLL lymphocytes in both suspension culture as well as stromal coculture. Stromal cells express undetectable levels of antiapoptotic but high levels of activated ERK and AKT proteins and has low or no apoptosis with AT-101. [3] AT-101 induces apoptosis in a time- and dose-dependent fashion, with ED50 values of 1.9 mM and 2.4 mM in Jurkat T and U937 cells, respectively. AT-101 (10 μM) combined with radiation (32 Gy) induces more apoptosis than radiation alone and exceeds the sum of the effects caused by the single agent treatments. AT-101 activates SAPK/JNK in a dose- and time-dependent manner. [4] AT-101 (10 μM) induces apoptosis through activation of caspase-9, -3, and -7 in VCaP Cells. AT-101 (10 μM) decreases Bcl-2 and Mcl-1 expression in VCaP cells. [5] AT-101 (< 20 μM) is able to inhibit the growth of multiple myeloma cells despite the stimulatory growth effects provided by stromal cells in the bone marrow milieu. AT-101 (10 μM) induces apoptosis in multiple myeloma cells via the activation of caspases 3, caspases 9 and PARP. AT-101 (10 μM) promotes apoptosis in multiple myeloma cells by disrupting the Bax/Bcl-2 ratio and the mitochondrial membrane potential. [6]
In vivo AT-101 is still detectable in plasma with average concentrations of 0.49 μM for the 35 mg/kg group and 0.39 μM for the 200 mg/kg group in SCID beige mice bearing RL-DLBCL xenograft. AT-101 peak plasma concentration is observed after 30 minutes of administration of the drug in both the dose levels, with the 200 mg/kg group showing a plasma average concentration almost 4 times greater than the 35 mg/kg group (7.88 μM and 27.78 μM respectively) in SCID beige mice. AT-101 (25 mg/kg to 100 mg/kg, orally) indefinitely results in earlier onset of weight loss equivalent to more than 10% of the pretreatment weight and death in SCID beige mice. AT-101 (35 mg/kg, orally per day for 10 days) plus intraperitoneal cyclophosphamide (Cy) and intraperitoneal rituximab (R) show significantitumor volume control compared to any other treatment group. [2] AT-101 (15 mg/kg, p.o., 5 days/week) as a single agent in intact mice significantly reduces the development of VCaP tumor growth compared to untreated tumors at weeks 2 to 6. AT-101 in combination with surgical castration delays the onset of androgen-independent VCaP tumor growth compared to castration-only or AT-101-only groups in mice. [5]
キナーゼ試験 Fluorescence-Polarization-Based Binding Assay: For competitive binding experiments, Bcl-2 protein (40 nM) and FAM-Bid peptide (2.5 nM) are preincubated in the assay buffer (100 mM potassium phosphate, pH 7.5; 100 μg/mL bovine gamma globulin; 0.02% sodium azide, 5 μL of a solution in DMSO of AT101 is added to the Bcl-2/FAM-Bid solution in Dynex 96-well, black, round-bottom plates to produce a final volume of 125 μL. For each experiment, a control containing Bcl-2 and Flu-Bid peptide (equivalent to 0% inhibition), and another control containing only FAM-Bid, are included on eachassay plate. After 4 hours incubation, the polarization values in milipolarization units (mP) weremeasured at an excitation wavelength at 485 nm and an emission wavelength at 530 nm using the Ultra plate reader. IC50,the inhibitor concentration at which 50% of bound peptide is displaced, is determined from the plot using nonlinear leastsquares analysis and curve fitting performed using GraphPad Prizm 4 software. The unlabeled Bid BH3 peptide is used as the positive control. PF for Bcl-xL protein, Bak BH3 peptide labeled with 6-carboxyfluorescein succinimidyl ester (FAM-Bak) instead of the FAM-Bim to maximize the signal. It is determined that FAM-Bak has a Kd of 6 nM to Bcl-xL protein. The competitive binding assay for Bcl-xL is same as that for Bcl-2 with the following exceptions. 30 nM of Bcl-xL protein and 2.5 nM of FAM-Bak peptide in the following assay buffer: 50 mM Tris-Bis, pH 7.4 and 0.01% bovine gamma globulin. PF for Mcl-1 protein, FAM-Bid peptide and human Mcl-1 protein are used. It is determined that FAM-Bid peptide binds to human Mcl-1 protein with a Kd of 1.71 nM. The competitive binding assays for Mcl-1 are performed in the same manner as that for Bcl-2 with the following exceptions. 5 nM Mcl-1 and 1 nM Flu-Bid peptide in the following assay buffer: 25 mM Tris, pH 8.0; 150 mM NaCl and 0.05% Pluronic acid
細胞研究 Cells are counted and resuspended at an approximate concentration of 3×105 cells/well in a 24-well plate. AT-101 is diluted in DMSO that is maintained at a final concentration of less than 0.5%. Concentrations of AT-101 from 1 nM to 10 μM are used in most experiments. Following incubation at 37 ℃ in a 5% CO2 humidified incubator, 100 μL from each well is transferred to a 96-well opaque-walled plate; cell-Titer-Glo Reagent is added in a 1:1 ratio. Contents are mixed for 2 minutes on an orbital shaker to induce cell lysis. The plates are allowed to incubate at room temperature for 10 minutes before recording luminescence with a Synergy HT Multi-Detection Microplate Reader. In the schedule dependency experiments, serial dilutions of each drug are prepared in ratios relative to their IC50. Cells are preincubated with AT-101 for up to 72 hours, while 4-HC is added for a 24-hour period, being added at time 0, 24 hours, and 48 hours from the start of incubation. Each experiment is performed in triplicate and repeated at least twice.(Only for Reference)
別名 (-)-Gossypol acetic acid, AT-101 (acetic acid), (R)-Gossypol acetic acid, AT101, AT101 acetate
分子量 578.61
分子式 C30H30O8·C2H4O2
CAS No. 866541-93-7

保存条件

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度情報

DMSO: 107 mg/mL (184.9 mM)

H2O: < 1 mg/mL (insoluble or slightly soluble)

Ethanol: 82 mg/mL (141.7 mM)

参考文献

1. Wang G, et al. J Med Chem. 2006, 49(21), 6139-6142. 2. Paoluzzi L, et al. Blood, 2008, 111(11), 5350-5358. 3. Balakrishnan K, et al. Blood, 2009, 113(1), 149-153. 4. Zerp SF, et al. Radiat Oncol, 2009, 23(4), 47. 5. Loberg RD, et al. Neoplasia, 2007, 9(12), 1030-1037.

関連化合物ライブラリー

この製品は下記化合物ライブラリに含まれています:
Drug Repurposing Compound Library Anti-Cancer Active Compound Library Anti-Cancer Clinical Compound Library Anti-Cancer Drug Library Inhibitor Library Clinical Compound Library Mitochondria-Targeted Compound Library Anti-Aging Compound Library Anti-Cancer Compound Library Anti-Lung Cancer Compound Library

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投与量変換

You can also refer to dose conversion for different animals. 詳細

In vivo投与量計算 (透明溶液)

ステップ1: 以下の情報を入力してください
投与量
mg/kg
動物の平均体重
g
動物あたりの投与量
ul
動物数
溶媒の組成を入力してください
% DMSO
%
% Tween 80
% ddH2O
計算する リセット

計算器

モル濃度計算機
希釈計算機
再構成計算
分子量計算機
=
X
X

モル度計算機では以下の計算が可能です

  • 既知の体積と濃度の溶液を調製するために必要な化合物の質量
  • 質量が既知の化合物を目的の濃度まで溶解させるのに必要な溶液の量
  • 特定の体積の中に既知の質量の化合物を入れて得られる溶液の濃度
参考例

モル濃度計算機を使用したモル濃度計算の例
化合物の分子量が197.13g/molである場合、10mlの水に10mMのストック溶液を作るのに必要な化合物の質量はどれくらいですか?
[分子量(MW)]の欄に[197.13]と入力してください
[濃度]ボックスに10と入力し、正しい単位(millimolar)を選択します
[容量]ボックスに10と入力し、正しい単位(milliliter)を選択します
計算を押します
答えの19.713mgが質量欄に表示されます

X
=
X

溶液を作るのに必要な希釈率の計算

溶液の調製に必要な希釈率の算出
希釈計算機は、既知の濃度の原液をどのように希釈するかを計算することができる便利なツールです。V1を計算するためにC1、C2&V2を入力します。

参考例

Tocrisの希釈計算器を用いた希釈計算の一例
50μMの溶液を20ml作るためには、10mMの原液を何ml必要ですか?
C1V1=C2V2という式を用いて、C1=10mM、C2=50μM、V2=20ml、V1を未知数とします。
濃度(開始)ボックスに10を入力し正しい単位(millimolar)を選択してください
濃度(終了)ボックスに50を入力し正しい単位(millimolar)を選択してください
体積(終了)ボックスに20を入力し正しい単位(millimolar)を選択してください
計算を押します
100 microliter (0.1 ml) という答えが体積(開始)ボックスに表示されます。

=
/

バイアルを再構成するのに必要な溶媒の量を計算する.

再構成計算機を使えば、バイアルを再構成するための試薬の量をすぐに計算することができます.
試薬の質量と目標濃度を入力するだけで計算します。

g/mol

化合物の化学式を入力して、そのモル質量や元素組成を計算します

Tヒント:化学式は大文字と小文字を区別します。: C10H16N2O2 c10h16n2o2

化合物のモル質量(分子量)を計算する手順:
化学物質のモル質量を計算するには、その化学式を入力し、「計算」をクリックしてください。.
分子質量、分子量、モル質量、モル重量の定義:
分子質量(分子量)とは、物質の1分子の質量であり、統一された原子質量単位(u)で表されます。(1uは炭素12の1原子の質量の1/12に等しい)
モル質量(molar weight)とは、ある物質の1モルの質量のことで、単位はg/molです。

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技術サポート

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc.

Keywords

(R)-(-)-Gossypol acetic acid 866541-93-7 Apoptosis Autophagy BCL acetic acid Bcl-2 Family (R)()Gossypol acetic acid (-)-Gossypol acetic acid AT 101 Acetate AT-101 (acetic acid) AT 101 (R)-Gossypol acetic acid AT-101 Acetate Gossypol acetic acid AT101 AT101 Acetate inhibit (R) ( ) Gossypol acetic acid Inhibitor AT101 acetate AT-101 inhibitor