JIB-04

別名:NSC 693627

JIB-04 (NSC 693627) is a pan-selective Jumonji histone demethylase inhibitor with IC50 of 230, 340, 855, 445, 435, 1100, and 290 nM for JARID1A, JMJD2E, JMJD3, JMJD2A, JMJD2B, JMJD2C, and JMJD2D in cell-free assays, respectively. JIB‑04 also induces cell apoptosis.

JIB-04化学構造

CAS No. 199596-05-9

サイズ 価格(税別) 在庫状況
JPY 29500 国内在庫あり
JPY 55500 国内在庫あり
JPY 448500 国内在庫なし(納期7~10日)

代表番号: 045-509-1970|電子メール:[email protected]
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製品安全説明書

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JIB-04関連製品

Histone Demethylase阻害剤の選択性比較

生物活性

製品説明 JIB-04 (NSC 693627) is a pan-selective Jumonji histone demethylase inhibitor with IC50 of 230, 340, 855, 445, 435, 1100, and 290 nM for JARID1A, JMJD2E, JMJD3, JMJD2A, JMJD2B, JMJD2C, and JMJD2D in cell-free assays, respectively. JIB‑04 also induces cell apoptosis.
Targets
JARID1A [1]
(Cell-free assay)
JMJD2D [1]
(Cell-free assay)
JMJD2E [1]
(Cell-free assay)
JMJD2B [1]
(Cell-free assay)
JMJD2A [1]
(Cell-free assay)
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230 nM 290 nM 340 nM 435 nM 445 nM
In Vitro
In vitro JIB-04 induces transcriptional changes in a cancer-selective manner, including the downregulation of proliferative genes and the upregulation of the anti-proliferative/pro-apoptotic genes. JIB-04 blocks growth of lung and prostate cancer lines with IC50 as low as 10 nM, while produces less anti-proliferative activities on HBECs and PrSCs/PrECs. [1]
Kinase Assay Jumonji demethylase/prolyl hydroxylase/LSD1 activity assays
Active JMJD2E aa 1-350 is purified from E.coli and used in vitro in the presence of α-ketoglutarate, 5-10 μM iron, ascorbic acid and a histone peptide substrate in a coupled reaction with formaldehyde dehydrogenase supplemented with NAD+ to quantify NADH production or using Epigentek kit P-3081. For histone demethylation reactions quantified by Western analysis, a His-tagged hJMJ2D aa 1-350 expression construct, the kind gift of Drs. Y. Shi and J. Whetstine, is expressed and purified from E.coli following the Qiagen Ni-NTA agarose manual instructions and the protocol of Whestine et al 54. Briefly, protein is eluted in 50 mM TrisHCl pH 7.8 + 0.3 M NaCl + 10% Glycerol + 200 mM immidazol, and dialyzed against 20 mM TrisHCl pH 7.4, 0.15 M NaCl, 0.2 mM PMSF, 0.5 mM DTT, 8% glycerol. Enzyme is aliquoted, flash frozen and stored at -80°C. For activity assays by Western blot, ~1.5 μg of enzyme are combined with 0.3 μg H3K9me3 substrate (Active Motif #31213) in 10 μM (NH4)2Fe(SO4)2, 1 mM α-ketoglutarate, and 2 mM sodium L-ascorbate in 50 mM Hepes pH 7.9 in the presence of vehicle or drug and incubated for 30 min-2 hrs at 37°C. SDS loading buffer is added to the reactions, and after boiling, samples are run on NuPage 4-12% Bis-Tris gels, transferred to nitrocellulose and blotted using Upstate #07-523 to detect H3K9me3. For the detection of H3 total signal, we uses Active Motif #39763 (primary) and IRDye 680 conjugated donkey anti-rabbit IgG (secondary, LI-COR # 926-32223) and imaged blots in an Odyssey Infrared Imaging system kindly made available by Dr. M. Cobb. For in vitro IC50 determinations and competition studies, typically 100-200 ng of purified protein are incubated with vehicle, JIB-04 or analogs, as indicated in figure legends and activity measured by ELISA (Epigentek kit P-3081 for H3K9me3 demethylation, P-3083 for H3K4me3 demethylation, and P-3085 for H3K27me3 demethylation) in reactions containing 50mM Hepes pH 7.5, 0.01% Tween 20, 120nM (NH4)2Fe(SO4)2, 1 mM α-ketoglutarate, 2 mM sodium L-ascorbate and 50ng peptide substrate. Final enzyme concentrations in the reactions were as follows: 206 nM JMJD2A, 12 nM JMJD2B, 60 nM JMJD2C, 90 nM JMJD2D E.coli, 30 nM JMJD2D Sf9, 30 nM JMJD2E, 30 nM Jarid1a, 35 nM JMJD3. Background readings are given by heat inactivated enzymes, 0.5-1 mM 2,4 PDCA or reactions with no 2-OG. hJMJD2A (aa1-350) purified in E.coli is the kind gift of Dr. Jose Rizo-Rey and is assayed at 400 ng/reaction due to its intrinsic low activity. GraphPad Prism software is used for IC50 calculations and curve fitting. E.coli JMJD2D purified by us and Sf9 JMJD2D from BPS gave undistinguishable results. Note that for substrate competition assays, in order to remain in the linear range of the assay and not saturate binding capacity of the ELISA plate, reactions with > 0.75μM H3K9me3 containes unbiotinylated substrate or are diluted at the detection step and signals adjusted per dilution factor. For the direct quantification of H3K9me3 demethylase activity in cell lysates, treated cells (plated at 2 million/10cm dish) or tumor homogenates in PBS were sonicated (3x 4 sec) and equal amounts of protein are incubated with a histone H3K9me3 substrate in a reaction buffer containing cofactors for 2h at 37°C before specific immune-detection of the H3K9me2 product using Epigentek kit P-3081 reagents. 500 ng of E.coli purified PHD2 protein in 40mM Tris pH 7.4, 100mM NaCl, 20% glycerol, 5mM β-mercapto-ethanol, 10mM maltose are used to obtain activity in the linear range. Biotinylated peptides derived from the HIF-1 ODD (Biotin-Acp-DLDLEALAPYIPADDDFQL or Biotin-Acp-DLDLEALAP(OH)YIPADDDFQL as a hydroxylated control) are immobilized on Neutravidin-coated 96-well plates. Enzyme is incubated in the coated wells in reaction buffer (20 mM Tris-Cl pH 7.5, 5 mM KCl, 1.5 mM MgCl2, 2 mM DTT, 0.12 μM ferrous sulfate, 0.5 mM 2-oxoglutarate and 1 mM ascorbate) for 45 min at room temperature in the presence of the indicated drugs. The competitive analog of α-ketoglutarate, DMOG, is used as a positive control for inhibition. Peptide hydroxylation is detected using a polyclonal rabbit antibody raised against a hydroxylated HIF peptide epitope, (rabbit anti-hydroxyproline 4817, made in house), followed by addition of a goat anti-rabbit HRP-conjugated secondary antibody. Luminescence is measured in an EnVision plate reader. The activity of LSD1 recombinant protein is measured using Epigentek kit P-3075 according to the manufacturer’s protocol with the proprietary inhibitor.
細胞実験 細胞株 Human lung cancer cell lines (LCa), primary or immortalized non-tumorigenic HBECs, prostate cancer (PCa), primary prostate stromal (PrSC) and prostate epithelial cells (PrEC).
濃度 ~10 μM
反応時間 96 hours
実験の流れ

For cell viability assays, cells are plated at 1500-3000 cells/well in 96 well plates and treated the next day with increasing doses of compound over 4 days and their viability assessed by standard MTS assays using Promega’s Cell Titer or Cell Titer-Glo reagents according to the manufacturer’s protocols. Absorbance at 490 nm and 650 nm or luminescence is measured by a Spectra Max or a FlouroStar Omega plate reader. Data are normalized to the untreated controls (100% viability). Each cell line is tested in 2-5 independent assays, each containing 4-8 replicates. IC50 values are calculated using DIVISA, a high-throughput software, developed in hous, for storing and analyzing drug sensitivity assays. Dose-response curves are plotted using a non-linear regression model and IC50s are determined from the fitted curves. The average IC50 derived from 2-5 independent assays, each containing 4-8 replicates is reported.

実験結果図 Methods Biomarkers 結果図 PMID
Western blot H3K9me2 / H3K9me3 / H3K27me3 / H3K4me3 / TIMP1 / ANP αCD133 30531796
Immunofluorescence DNA-PKcs 30355483
Growth inhibition assay Cell viability 30237855
In Vivo
In Vivo In two separate xenograft mouse models (H358 or A549), JIB-04 diminishes tumor growth, lowers Jumonji histone demethylase activity in tumors, and prolongs cancer survival. [1]
動物実験 動物モデル Mice harboring H358 xenografts or A549 xenografts
投与量 110 mg/kg (H358, i.p.), 55 mg/kg (A549, Oral gavage)
投与経路 Oral gavage or i.p.

化学情報

分子量 308.76 化学式

C17H13ClN4

CAS No. 199596-05-9 SDF Download JIB-04 SDFをダウンロードする
Smiles C1=CC=C(C=C1)C(=NNC2=NC=C(C=C2)Cl)C3=CC=CC=N3
保管

In vitro
Batch:

DMSO : 62 mg/mL ( (200.8 mM); Warmed with 50℃ water bath; 吸湿したDMSOは溶解度を減少させます。新しいDMSOをご使用ください。)

Water : Insoluble

Ethanol : Insoluble

モル濃度計算器

in vivo
Batch:

Add solvents to the product individually and in order.

投与溶液組成計算機

実験計算

モル濃度計算器

質量 濃度 体積 分子量

投与溶液組成計算機(クリア溶液)

ステップ1:実験データを入力してください。(実験操作によるロスを考慮し、動物数を1匹分多くして計算・調製することを推奨します)

mg/kg g μL

ステップ2:投与溶媒の組成を入力してください。(ロット毎に適した溶解組成が異なる場合があります。詳細については弊社までお問い合わせください)

% DMSO % % Tween 80 % ddH2O
%DMSO %

計算結果:

投与溶媒濃度: mg/ml;

DMSOストック溶液調製方法: mg 試薬を μL DMSOに溶解する(濃度 mg/mL, 注:濃度が当該ロットのDMSO溶解度を超える場合はご連絡ください。 )

投与溶媒調製方法:Take μL DMSOストック溶液に μL PEG300,を加え、完全溶解後μL Tween 80,を加えて完全溶解させた後 μL ddH2O,を加え完全に溶解させます。

投与溶媒調製方法:μL DMSOストック溶液に μL Corn oil,を加え、完全溶解。

注意:1.ストック溶液に沈殿、混濁などがないことをご確認ください;
2.順番通りに溶剤を加えてください。次のステップに進む前に溶液に沈殿、混濁などがないことを確認してから加えてください。ボルテックス、ソニケーション、水浴加熱など物理的な方法で溶解を早めることは可能です。

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よくある質問(FAQ)

質問1:
Do you have any suggestion for in vivo study please? (Cat. S7281, via injection)

回答
For IP or sub cutaneous injection, The compound is soluble in 4% DMSO+30% PEG 300+5% Tween 80+ddH2O at 3 mg/ml. But when water added, it turned yellowish green immediately. We are not sure if the compound was still fine in this vehicle. So we tried to use oil. 3mg of this compound dissolves in 40ul of DMSO clearly, and it can be dilute with corn oil at any proportion.

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