KRN 633

KRN 633 is an ATP-competitive inhibitor of VEGFR1/2/3 with IC50 of 170 nM/160 nM/125 nM, weakly inhibits PDGFR-α/β and c-Kit, does not block the phosphorylation of FGFR-1, EGFR or c-Met in cell.

KRN 633化学構造

CAS No. 286370-15-8

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KRN 633関連製品

シグナル伝達経路

VEGFR阻害剤の選択性比較

阻害剤 Citation VEGFR1 VEGFR2 VEGFR3 VEGFR VEGF その他
Foretinib 93 Met,Tie-2,RON
Cediranib (AZD2171) 67 c-Kit,PDGFRβ,FGFR1
PD173074 123 FGFR1
Dovitinib (TKI-258) 51 FLT3,c-Kit,FGFR1
Linifanib (ABT-869) 33 CSF-1R,FLT3,Kit
Vatalanib (PTK787) 2HCl 52 PDGFRβ,c-Kit,c-Fms
RAF265 (CHIR-265) 23 B-Raf
Motesanib Diphosphate (AMG-706) 12 Kit,RET,PDGFR
Brivanib (BMS-540215) 10 FGFR1
MGCD-265 analog 12 Met,RON,Tie-2
AEE788 (NVP-AEE788) 13 EGFR,HER2/ErbB2,c-Abl
ENMD-2076 9 FLT3,RET,Aurora A
OSI-930 7 CSF-1R,LCK,C-Raf
CYC116 10 Aurora A,Aurora B,FLT3
Ki8751 20 c-Kit,PDGFRα
Telatinib 5 c-Kit,PDGFRα
PP121 5 PDGFR,Hck,mTOR
KRN 633 6 PDGFRα,c-Kit,BTK
SAR131675 31
Apatinib (YN968D1) mesylate 24 RET
BMS-794833 1 Met
Brivanib Alaninate (BMS-582664) 2 FGFR1
Golvatinib (E7050) 8 c-Met
Semaxanib (SU5416) 20
ZM 323881 HCl 18
ZM 306416 13 Src,Abl
R1530 0 FGFR1
Chiauranib 0 c-Kit,CSF-1R,Aurora B
Emvododstat (PTC299) 0 Dihydroorotate dehydrogenase
XL092 0 AXL,MER,MET
Lucitanib (E3810) hydrochloride 1 FGFR1,FGFR2
Ningetinib 0 Axl,c-Met
Ki20227 1 c-Fms,PDGFRβ,c-Kit
Tyrphostin AG1433 0 PDGFRβ
SU14813 2 PDGFRβ,KIT
Sulfatinib 1 CSF1R,FGFR1
CS-2660 (JNJ-38158471) 0 RET,Kit
SU5204 1 HER2
SU5214 0 EGFR
SU5205 0
SU5408 2
Pamufetinib (TAS-115) 0 recombinant MET
ODM-203 0 FGFR3,FGFR1,FGFR2
WHI-P180 0 RET
Altiratinib 2 MET Y1230C,TrkA,TrkC
Motesanib (AMG-706) 11 c-Kit,c-Ret,PDGFR
Fruquintinib 4
Apatinib 26 RET
Cediranib Maleate 14 c-Kit,PDGFRβ,FGFR1
Toceranib phosphate 1 PDGFR
Anlotinib (AL3818) dihydrochloride 41 c-Kit
Sitravatinib (MGCD516) 4 DDR2,EPHA3,Axl
BFH772 0
BAW2881 (NVP-BAW2881) 2 C-Raf-1,B-RAFV599E,c-Abl
SU5402 19 FGFR1,PDGFRβ
Dovitinib (TKI258) Lactate monohydrate 31 FLT3,c-Kit,FGFR1
LY2874455 14 FGFR2,FGFR1,FGFR4
SKLB1002 4
AZD2932 3 PDGFRβ,Flt3,c-Kit
hVEGF-IN-1 0
4SC-203 0
Chebulinic acid 0
Nastorazepide 0
Vorolanib 0 PDGFR
MAZ51 1 RhoA,GSK3β,Akt
SU5208 0
SU5614 3 FLT3,c-Kit,RET
AG-13958 0
SKLB 610 2 FGFR2,PDGFR
SU1498 2
ZD-4190 0 Flt-1
PDGFR inhibitor 1 2 PDGFR,Kit,c-Fms
Taxifolin (Dihydroquercetin) 4
もっと見る
1. "+" indicates inhibitory effect. Increased inhibition is marked by a higher "+" designation. 2. "✔" indicates inhibitory effect, but without specific value.

生物活性

製品説明 KRN 633 is an ATP-competitive inhibitor of VEGFR1/2/3 with IC50 of 170 nM/160 nM/125 nM, weakly inhibits PDGFR-α/β and c-Kit, does not block the phosphorylation of FGFR-1, EGFR or c-Met in cell.
Targets
VEGFR3 [1] VEGFR2 [1] VEGFR1 [1] PDGFRα [1] c-Kit [1] もっとクリックする
125 nM 160 nM 170 nM 965 nM 4330 nM
In Vitro
In vitro KRN 633, a novel quinazoline urea derivative, strongly inhibits VEGFR1, VEGFR2 and VEGFR3 receptors with IC50 values of 170 nM, 160 nM and 125 nM respectively. It shows lower inhibitory activity towards non-RTKs, such as PDGF receptor (PDGFRα and β, c-Kit, breast tumor kinase, and tunica interna endothelial cell kinase tyrosine kinases (IC50 = 965, 9850, 4330, 9200, and 9900 nM, respectively). KRN 633 potently inhibits ligand VEGF induced phosphorylation of VEGFR2 in HUVECs with an IC50 of 1.16 nM. KRN 633 also inhibits VEGF-dependent, but not bFGF-dependent, phosphorylation of the MAP kinases in endothelial cells, with IC50 values of 3.51 nM and 6.08 nM for ERK1 and ERK2, respectively. KRN633 has also been shown to inhibit the VEGF-driven proliferation of HUVECs with an IC50 of 14.9 nM, but it only suppresses FGF-driven proliferation at 3 μM weakly. [1] KRN 633 inhibits hypoxia-induced transcriptional activation of HIF-1α in a concentration-dependent manner with an IC50 of 3.79 μM, through the inhibition of both Akt and ERK phosphorylation signaling pathways. [2]
Kinase Assay Cell-Free Kinase Assays
Cell-free kinase assays are done to obtain IC50 values against a variety of recombinant VEGF receptors. KRN633 is tested at concentrations varying from 0.3 nM to 10 μM. All assays are done in quadruplicate with 1 μM ATP.
細胞実験 細胞株 A549, Ls174T, DU145, HT29, LNCap and PC-3 cell lines
濃度 Dissolved in DMSO, final concentrations 0.01 to 10 μM
反応時間 96 hours
実験の流れ Cancer cells are plated in media containig 10% FBS and antibiotics, at densities known to permit exponential growth over the assay period. The cells are cultured for 24 hours before adding KRN633 (0.01 to 10 μM) or just the vehicle (0.1% DMSO in medium) and then grown for a further 96 hours. Cell viability is measured using WST-1 reagent.
In Vivo
In Vivo Although not cytotoxic to various cancer cells in vitro, KRN633 exhibits excellent antitumor activity in vivo due to its inhibitory effect on tumor vessel formation and vascular permeability. Once-daily administration of KRN633 at 100 mg/kg/d produces significant tumor growth inhibition in A549, LC-6-LCK, HT29, Ls174T, LNCap and Du145 cells while twice-daily administration of KRN633 at 100 mg/kg induces ~90% growth inhibition of HT29 tumors. [1] Treatment of mid-pregnancy mice with KRN 633 (300 mg/kg, p.o.) reduces the blood supply to fetal tissues due to diminished vascularization in both placenta and fetal organs and consequently increases the risk of induction of intrauterine growth restriction (IUGR). [3]
動物実験 動物モデル A549, Ls174T, HT29, DU145, LNCap, PC-3 cells and LC-6-JCK are established in athymic mice (BALB/cA, Jcl-nu) and athymic rats (F344/N, Jcl-rnu), respectively.
投与量 20-100 mg/kg
投与経路 Gavage once daily

化学情報

分子量 416.86 化学式

C20H21ClN4O4

CAS No. 286370-15-8 SDF Download KRN 633 SDFをダウンロードする
Smiles CCCNC(=O)NC1=C(C=C(C=C1)OC2=NC=NC3=CC(=C(C=C32)OC)OC)Cl
保管

In vitro
Batch:

DMSO : 9 mg/mL ( (21.58 mM); 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
Homogeneous suspension
0.5% methylcellulose 0.2%
10.0mg/ml (23.99mM) Taking the 1 mL working solution as an example, take 10 mg of this product, add it to 1 ml of 0.5% methylcellulose+0.2% Tween 80 clear solution, and mix evenly to make it a uniform suspension. The mixed solution should be used immediately for optimal results. 

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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