VR23

製品コードS7933 バッチS793301

印刷

化学情報

Chemical Structure Synonyms N/A Storage
(From the date of receipt)		 3 years -20°C powder
1 years -80°C in solvent
化学式

C19H16ClN5O6S
分子量 477.88 CAS No. 1624602-30-7
Solubility (25°C)* 体外 DMSO 31 mg/mL warmed with 50ºC water bath (64.86 mM)
Water 5 mg/mL warmed with 50ºC water bath (10.46 mM)
Ethanol Insoluble
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

溶剤液（一定の濃度）を調合する

生物活性

製品説明 VR23 is a potent proteasome inhibitor with IC50 of 1 nM, 50-100 nM, and 3 μM for trypsin-like proteasomes, chymotrypsin-like proteasomes, and caspase-like proteasomes, respectively.
in vitro In HeLa cells, VR23 induces ubiquitinated proteins accumulation. In RPMI 8226 and KAS 6 cells, VR23 inhibits cell growth with IC50 of 2.94 and 1.46 μM, respectively. VR23 is also equally effective on both bortezomib (BTZ)-sensitive and -resistant RPMI 8226 and ANBL6 cells cells. When used in combination of bortezomib in the cells above, VR23 shows synergistic effects on cell growth inhibition. In addition, VR23 selectively induces cancer cell apoptosis by causing the accumulation of ubiquitinated cyclin E. [1]
in vivo In ATH490 athymic mice engrafted with MDA-MB-231 metastatic breast cancer cells, VR23 (30mg/kg, i.p.) shows effective antitumor and antiangiogenic activities. VR23 also reduces adverse effects caused by paclitaxel in mice. [1]

プロトコル(参考用のみ)

キナーゼアッセイ Proteasome assay
Exponentially growing cells on a 96-well clustered plate are treated with different concentrations of drugs or left untreated (control) for 6 hours. Proteasomes extracted with 0.5% NP40 buffer are mixed with equal amounts of samples in 100 μL total volume, and then incubated with 25 μmol/L of fluorogenic substrates (LRR- specific for trypsin-like activity, LLE-specific for caspase-like activity, and SUVY-specific for chymotrypsin-like activity) in black-bottom 96-well plates at 37°C. Fluorescence is monitored every 5 minutes at the wavelength of 360 nm (excitation) and 480 nm (emission).
細胞アッセイ 細胞株 RPMI 8226, KAS 6, 184B5, and MCF10A cells; bortezomib-resistant RPMI 8226 cells and bortezomib-resistant ANBL6 cells
濃度 ~20 μM
反応時間 --
実験の流れ

Clonogenic and SRB assays are carried out. IC50 values are calculated using a sigmoidal dose-response curve (variable slope) using a Graph Pad Prism V 4.02 version.
動物実験 動物モデル ATH490 athymic mice engrafted with MDA-MB-231 or RPMI 8226 cancer cells
投薬量 30mg/kg
投与方法 i.p.

Selleckの高級品が、幾つかの出版された研究調査結果（以下を含む）で使われた：

Proteasome inhibition as a therapeutic target for the fungal pathogen Cryptococcus neoformans [ Microbiol Spectr, 2023, 11(5):e0190423] PubMed: 37750732
Proteasome inhibition as a therapeutic target for the fungal pathogen Cryptococcus neoformans [ Microbiol Spectr, 2023, 10.1128/spectrum.01904-23] PubMed: 37750732
LAMP3 inhibits autophagy and contributes to cell death by lysosomal membrane permeabilization [ Autophagy, 2021, 1-19] PubMed: 34802379
Prolonged unfolded protein reaction is involved in the induction of chronic myeloid leukemia cell death upon oprozomib treatment [ Cancer Sci, 2020, 112(1):133-143] PubMed: 33067904
Beta-catenin cleavage enhances transcriptional activation. [ Sci Rep, 2018, 8(1):671] PubMed: 29330435
Comparative Proteomics Reveals Strain-Specific β-TrCP Degradation via Rotavirus NSP1 Hijacking a Host Cullin-3-Rbx1 Complex. [ PLoS Pathog, 2016, 12(10):e1005929] PubMed: 27706223

長期の保管のために-20°Cの下で製品を保ってください。

人間や獣医の診断であるか治療的な使用のためにでない。

各々の製品のための特定の保管と取扱い情報は、製品データシートの上で示されます。大部分のSelleck製品は、推薦された状況の下で安定です。製品は、推薦された保管温度と異なる温度で、時々出荷されます。長期の保管のために必要とされてそれと異なる温度で、多くの製品は、短期もので安定です。品質を維持するが、夜通しの積荷のために最も経済的な貯蔵状況を用いてあなたの送料を保存する状況の下に、製品が出荷されることを、我々は確実とします。製品の受領と同時に、製品データシートの上で貯蔵推薦に従ってください。