1. Cell Cycle/DNA Damage
    Apoptosis
  2. Checkpoint Kinase (Chk)
    Apoptosis
  3. Prexasertib

Prexasertib (Synonyms: LY2606368)

製品番号: HY-18174 純度: 98.22%
取扱説明書

Prexasertib (LY2606368) is a selective, ATP-competitive second-generation checkpoint kinase 1 (CHK1) inhibitor with a Ki of 0.9 nM and an IC50 of <1 nM. Prexasertib inhibits CHK2 (IC50=8 nM) and RSK1 (IC50=9 nM). Prexasertib causes double-stranded DNA breakage and replication catastrophe resulting in apoptosis. Prexasertib shows potent anti-tumor activity.

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Prexasertib 構造式

Prexasertib 構造式

CAS 番号 : 1234015-52-1

容量 価格(税別) 在庫状況 数量
無料サンプル (0.5-1 mg)   今すぐ申し込む  
10 mM * 1  mL in DMSO USD 176 在庫あり
Estimated Time of Arrival: December 31
5 mg USD 160 在庫あり
Estimated Time of Arrival: December 31
10 mg USD 260 在庫あり
Estimated Time of Arrival: December 31
25 mg USD 520 在庫あり
Estimated Time of Arrival: December 31
50 mg USD 750 在庫あり
Estimated Time of Arrival: December 31
100 mg USD 1200 在庫あり
Estimated Time of Arrival: December 31
200 mg   お問い合わせ  
500 mg   お問い合わせ  

* アイテムを追加する前、数量をご選択ください

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Based on 4 publication(s) in Google Scholar

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Checkpoint Kinase (Chk) アイソフォーム固有の製品をすべて表示:

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製品説明

Prexasertib (LY2606368) is a selective, ATP-competitive second-generation checkpoint kinase 1 (CHK1) inhibitor with a Ki of 0.9 nM and an IC50 of <1 nM. Prexasertib inhibits CHK2 (IC50=8 nM) and RSK1 (IC50=9 nM). Prexasertib causes double-stranded DNA breakage and replication catastrophe resulting in apoptosis. Prexasertib shows potent anti-tumor activity[1][2].

IC50 & Target[1]

Chk1

0.9 nM (Ki)

Chk1

<1 nM (IC50)

Chk2

8 nM (IC50)

体外実験

Prexasertib (LY2606368) inhibits MELK (IC50=38 nM), SIK (IC50=42 nM), BRSK2 (IC50=48 nM), ARK5 (IC50=64 nM). LY2606368 requires CDC25A and CDK2 to cause DNA damage[1].
Prexasertib (33, 100 nM; for 7 hours) results in DNA damage during S-phase in HeLa cells[1].
Prexasertib (8-250 nM; pre-treated for 15 minutes) inhibits CHK1 autophosphorylation (S296) and CHK2 autophosphorylation (S516) in HT-29 cells[1].
Prexasertib (4 nM; 24 hours) results in a large shift in cell-cycle populations from G1 and G2-M to S-phase with an accompanied induction of H2AX phosphorylation in U-2 OS cells[1].
Prexasertib (33 nM; for 12 hours) causes chromosomal fragmentation in HeLa cells. Prexasertib (100 nM; 0.5 to 9 hours) induces replication stress and depletes the pool of available RPA2 for binding to DNA[1].

Cell Cycle Analysis[1]

Cell Line: HeLa cells
Concentration: 33, 100 nM
Incubation Time: For 7 hours
Result: Had an IC50 of 37 nM and resulted in the G2-M population received DNA damage during S-phase but continued to progress through the cell cycle into an early mitosis.

Western Blot Analysis[1]

Cell Line: HT-29 cells
Concentration: 8, 16, 31, 63, 125, 250 nM
Incubation Time: Pre-treated for 15 minutes
Result: Inhibited CHK1 autophosphorylation (S296) and CHK2 autophosphorylation (S516) (IC50 of less than 31 nM) in HT-29 cells.
体内実験

Prexasertib (LY2606368; 1-10 mg/kg; SC; twice daily for 3 days, rest 4 days; for three cycles) causes growth inhibition in tumor xenografts[1].
Prexasertib (15 mg/kg; SC) causes CHK1 inhibition in the blood and the phosphorylation of both H2AX (S139) and RPA2 (S4/S8)[1].

Animal Model: Female CD-1 nu-/nu- mice (26-28 g) with Calu-6 cells[1]
Dosage: 1, 3.3, or 10 mg/kg
Administration: SC; twice daily for 3 days, rest 4 days; for three cycles
Result: Caused statistically significant tumor growth inhibition (up to 72.3%).
Animal Model: Female CD-1 nu-/nu- mice (26-28 g) with Calu-6 cells[1]
Dosage: 15 mg/kg (Pharmacokinetic Analysis)
Administration: SC (200 μL)
Result: CHK1 was 7 ng/mL at 12 hours and 3 ng/mL by 24 hours in plasma exposures.
Phosphorylation of both H2AX (S139) and RPA2 (S4/S8) was detectable at 4 hours, showing the rapid occurrence of DNA damage.
臨床実験
分子量

365.39

分子式

C₁₈H₁₉N₇O₂

CAS 番号

1234015-52-1

SMILES

NCCCOC(C=CC=C1OC)=C1C2=CC(NC3=NC=C(C#N)N=C3)=NN2

輸送条件

Room temperature in continental US; may vary elsewhere.

保管条件
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
溶剤 & 溶解度
体外: 

DMSO : 16.67 mg/mL (45.62 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.7368 mL 13.6840 mL 27.3680 mL
5 mM 0.5474 mL 2.7368 mL 5.4736 mL
10 mM 0.2737 mL 1.3684 mL 2.7368 mL
*Please refer to the solubility information to select the appropriate solvent.
体内:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 1.67 mg/mL (4.57 mM); Clear solution

*All of the co-solvents are provided by MCE.
参考文献
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Keywords:

PrexasertibLY2606368LY 2606368LY-2606368Checkpoint Kinase (Chk)ApoptosisATP-competitiveRSK1double-strandedDNAreplicationMELKSIKBRSK2ARK5CDC25ACDK2HeLaautophosphorylationS296S516H2AXHT-29Inhibitorinhibitorinhibit

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製品名:
Prexasertib
製品番号:
HY-18174
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