SCR7 pyrazine
mRNA synthesis
In vitro transcription of capped mRNA with modified nucleotides and Poly(A) tail
Tyramide Signal Amplification (TSA)
TSA (Tyramide Signal Amplification), used for signal amplification of ISH, IHC and IC etc.
Phos Binding Reagent Acrylamide
Separation of phosphorylated and non-phosphorylated proteins without phospho-specific antibody
Cell Counting Kit-8 (CCK-8)
A convenient and sensitive way for cell proliferation assay and cytotoxicity assay
SYBR Safe DNA Gel Stain
Safe and sensitive stain for visualization of DNA or RNA in agarose or acrylamide gels.
Inhibitor Cocktails
Protect the integrity of proteins from multiple proteases and phosphatases for different applications.
SCR7 pyrazine is an inhibitor of DNA ligase IV [1].
DNA Ligase IV is involved in sealing of double-strand breaks (DSBs) during nonhomologous end-joining (NHEJ). DSBs have been considered as one of the most lethal types of DNA damage within cells. Unrepaired DSBs may lead to chromosomal rearrangements such as translocations and deletions, resulting in oncogenic transformations or cell death. In higher eukaryotes, NHEJ is one of the primary mechanisms of DSB repair and is active throughout the cell cycle. NHEJ plays a major role in providing resistance to cancer cells to these radio- and chemotherapy agents [1].
SCR7 blocked Ligase IV-mediated joining by interfering with its DNA binding in cell-free repair system. SCR7 inhibited NHEJ in a Ligase IV-dependent manner within cells, and activated the intrinsic apoptotic pathway. SCR7 dose-dependent decreased cell proliferation in MCF7, A549, and HeLa cells with an IC50 of 40, 34, and 44 μM, respectively. In T47D, A2780, and HT1080 cells, the IC50 values were 8.5, 120, and 10 μM, respectively [1].
SCR7 treatment (10 mg/kg, six doses) significantly reduced breast adenocarcinoma-induced tumor and impeded tumor progression in mouse models in mouse models. Coadministered of SCR7 with DSB-inducing therapeutic modalities significantly enhanced their sensitivity.
Reference:
[1] Srivastava M, Nambiar M, Sharma S, et al. An inhibitor of nonhomologous end-joining abrogates double-strand break repair and impedes cancer progression[J]. Cell, 2012, 151(7): 1474-1487.
Storage | Store at -20°C |
M.Wt | 332.4 |
Cas No. | 14892-97-8 |
Formula | C18H12N4OS |
Solubility | ≥33.2 mg/mL in DMSO; insoluble in H2O; ≥11.52 mg/mL in EtOH with ultrasonic |
Chemical Name | 2,3-dihydro-6,7-diphenyl-2-thioxo-4(1H)-pteridinone |
SDF | Download SDF |
Canonical SMILES | O=C(C1=NC(C2=CC=CC=C2)=C(C3=CC=CC=C3)NC1=N4)NC4=S |
运输条件 | 蓝冰运输或根据您的需求运输。 |
一般建议 | 不同厂家不同批次产品溶解度各有差异,仅做参考。若实验所需浓度过大至产品溶解极限,请添加助溶剂助溶或自行调整浓度。溶液形式一般不宜长期储存,请尽快用完。 |
质量控制和MSDS
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