Alobresib (GS-5829)

製品コードS8961 バッチS896101

印刷

化学情報

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

C26H23N5O2

分子量 437.49 CAS No. 1637771-14-2
Solubility (25°C)* 体外 DMSO 87 mg/mL (198.86 mM)
Ethanol 11 mg/mL (25.14 mM)
Water ˂1 mg/mL
体内 (毎回新しく調製した物を用意してください)
Homogeneous suspension
CMC-NA
≥5mg/ml Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
* <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 Alobresib (GS-5829) is a novel BET inhibitor that represents a highly effective therapeutics agent against recurrent/chemotherapy-resistant USC-overexpressing c-Myc. Alobresib (GS-5829) inhibits CLL cell proliferation and induces leukemia cell apoptosis through deregulation of key signaling pathways, such as BLK, AKT, ERK1/2, and MYC. Alobresib (GS-5829) also inhibits NF-κB signaling.
in vitro

In-vitro experiments demonstrates high sensitivity of USC cell-lines to the exposure to this compound causing a dose-dependent decrease in the phosphorylated levels of c-Myc and a dose-dependent increase in caspase activation (apoptosis).[1] It inhibits CLL cell proliferation and induces leukemia cell apoptosis through deregulation of key signaling pathways, such as BLK, AKT, ERK1/2, and MYC. IκBα modulation indicates that this agent also inhibits NF-κB signaling. Its-induced apoptosis results from an imbalance between positive (BIM) and negative regulators (BCL-XL) of the intrinsic apoptosis pathway.[2]

in vivo

Alobresib (GS-5829) has impressive activity against USC primary tumors as well as USC xenografts. Assessment of c-Myc expression in tumors exposed to this compound demonstrates down-regulation of both total and phospho c-Myc proteins. This chemical demonstrates excellent bioavailability after oral administration and is significantly more effective than JQ1 at the doses used in comparative experiments in vivo against USC xenografts. Clinical studies with this compound in USC patients harboring disease resistant to standard salvage chemotherapy are warranted.[1]

プロトコル(参考用のみ)

細胞アッセイ 細胞株 PBMC, MEC-1
濃度 100 nM, 200 nM, 400 nM, 800 nM
反応時間 72 h, 24 h
実験の流れ

TACS XTT cell proliferation/viability assay (Trevigen) is performed according to the manufacturer’s instructions on MEC-1 cells treated with this compound or the BCR signaling inhibitors for 72 h. Half-maximal inhibitory concentrations (IC50) are calculated using Prism 6 or 7 based on technical triplicate measurements.

動物実験 動物モデル female CB17/lcrHsd-Prkd/scid mice bearing USC-ARK1 or USC-ARK2 xenograft
投薬量 20 mg/kg, 10 mg/kg
投与方法 Oral gavage

参考

  • https://pubmed.ncbi.nlm.nih.gov/29941483/
  • https://pubmed.ncbi.nlm.nih.gov/31862959/

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。

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