Home Cell Cycle CDK inhibitor THZ2 For research use only.

THZ2

THZ2, a THZ1 analog, is a selective inhibitor of CDK7 with IC50 of 13.9 nM. THZ2 efficiently suppresses the clonogenic growth of TNBC cells with IC50 of ~10 nM.

THZ2 Chemical Structure

THZ2 Chemical Structure

CAS: 1604810-84-5

Purity & Quality Control

Batch: S796901 DMSO] 100 mg/mL] false] Water] ˂1 mg/mL] false] Ethanol] ˂1 mg/mL] false Purity: 99.65%
99.65

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Biological Activity

Description THZ2, a THZ1 analog, is a selective inhibitor of CDK7 with IC50 of 13.9 nM. THZ2 efficiently suppresses the clonogenic growth of TNBC cells with IC50 of ~10 nM.
Targets
CDK7 [1]
(Cell-free assay)
13.9 nM
In vitro
In vitro

THZ2 selectively targets CDK7 and potently inhibits the growth of triple-negative but not ER/PR+ breast cancer cells. THZ2 at low nanomolar doses also efficiently suppresses the clonogenic growth of TNBC cells.[1]
Cell Research Cell lines BT549, CAMA1, HCC1187, HCC1569, HCC38, MDAMB-231, MDA-MB-415, MDA-MB-468, T47D, ZR-75-1, HEK293T cells
Concentrations 200 nM, 500 nM
Incubation Time 24 h, 48 h
Method

Cell Proliferation Assay: For 96-well plate assay, cells are plated at the density of 2000 cells per well, and on the next day treated with THZ2 of various concentrations. After 48-hour incubation, cells are fixed and stained with crystal violet. The staining is then extracted by adding each well with 10% acetic acid, with absorbance measured at 590 nm with 750 nm as a reference.
In Vivo
In vivo

THZ2 is well tolerated in nude mice. The growth rate of tumors in mice treated with THZ2 is markedly reduced as compared to that of control tumors, demonstrating an anti-tumor activity of THZ2. Both acute and chronic exposure to THZ2 significantly reduces CTD phosphorylation of RNAPII at all three phosphorylation sites (S2, S5, and S7), indicating that CDK7 is efficiently targeted in the tumor cells. Compared to vehicle-treated tumors, tumor tissues isolated from mice treated with THZ2 has reduced proliferation and increased apoptosis. THZ2 is able to efficiently reduce tumor cell proliferation and induce cell death in vivo.[1]
Animal Research Animal Models Nude mice (Foxn1nu)
Dosages 10 mg/kg
Administration IP

Chemical Information & Solubility

Molecular Weight 566.05 Formula

C31H28ClN7O2
CAS No. 1604810-84-5 SDF --
Smiles CN(C)CC=CC(=O)NC1=CC=CC(=C1)C(=O)NC2=CC=CC(=C2)NC3=NC=C(C(=N3)C4=CNC5=CC=CC=C54)Cl
Storage (From the date of receipt) 3 years -20°C powder

In vitro
Batch:

DMSO : 100 mg/mL ( (176.66 mM)； Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : ˂1 mg/mL

Ethanol : ˂1 mg/mL


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In vivo
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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