生物活性
YO-01027 is a dipeptidic gamma-secretase inhibitor with IC50 of 2.6 and 2.9 nM for the proteolysis of APPL and Notch, respectively. YO-01027 is used as an anti-Alzheimer agent. YO-01027 directly interact with the gamma-secretase complex. Unlike other gamma-secretase inhibitors,YO-01027 targets different functional domain of the complex. YO-01027 targets the N-terminal Presenilin fragment as well as another gamma-secretase inhibitor Compound E (Cpn E), whereas DFK167 and DAPT, another two gamma-secretase inhibitors, bind to the catalytic site of the Presenilin aspartyl protease subunit and the C-terminal Presenilin fragment, respectively. In a study, YO-01027 and CpnE indicated no apparent discrimination in blocking APPL and Notch cleavages, displaying statistically equivalent IC50 values for both substrates.
化学数据
| 分子量 | 463.48 |
| 分子式 | C26H23F2N3O3 |
| CAS号 | 209984-56-5 |
| 纯度 | 100.00% |
| 溶解性（25°C） | DMSO 83 mg/mL |
| 储存和运输条件 | 固体粉末： -20°C 冷藏长期储存
常温运输及临时存放 |
实验操作 来自于公开的文献，仅供相同实验参考（如实验材料、目的不同，请参考其他文献）
| 细胞实验 |
|---|
| 细胞系 | BCSC |
| 方法 | Resuspending cells at ≤1 × 106in 100 μL sorting buffer (PBS containing 0.5% bovine serum albumin, 2 mM EDTA) and incubating with preconjugated primary antibodies BEREP4-FITC (1:10), CD44-APC (1:20), and CD24-PE (1:10) for 10 minutes at 4 °C. Washing the cells in PBS and centrifuged at 800 × g for 2 minutes. For analysis, cells are resuspending in 500 μL of sorting buffer and using FACSCalibur to measure fluorescence and using WinMIDI 2.8 to analyze . For sorting, cells are resuspended in 1× HBSS after incubation with the primary antibodies. Cells are sorted, with HBSS as sheath fluid, at 16 p.s.i. using FACSAria. The CD24low cell population gated by FACS is the lowest quintile of CD24-positive cells plus all the CD24-negative cells.
|
| 浓度 | 10 μM |
| 处理时间 | 3 days |
| 动物实验 |
|---|
| 动物模型 | C57BL/6 mice |
| 配制 | 0, 3Injected daily intraperitoneally, 10, 30 μmol/kg |
| 剂量 | YO-01027 is suspended finely in 0.5% (w/v) hydroxypropylmethylcellulose (Methocel E4M) and 0.1% (w/v) Tween 80 in water. |
| 给药处理 | Injected daily intraperitoneally |
不同实验动物依据体表面积的等效剂量转换表（数据来源于FDA指南）
| 小鼠 | 大鼠 | 兔 | 豚鼠 | 仓鼠 | 狗 |
| 重量 (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| 体表面积 (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km系数 | 3 | 6 | 12 | 8 | 5 | 20 |
| 动物 A (mg/kg) = 动物 B (mg/kg) × | 动物 B的Km系数 |
| 动物 A的Km系数 |
例如，依据体表面积折算法，将化合物用于小鼠的剂量20 mg/kg 换算成大鼠的剂量，需要将20 mg/kg 乘以小鼠的Km系数（3），再除以大鼠的Km系数（6），得到化合物用于大鼠的等效剂量为10 mg/kg。
储备液配制
以下数据基于产品分子量，对于特殊产品，请参照COA中的储备液配制条件和说明进行操作。
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|
| 1 mM | 2.1576 mL | 10.788 mL | 21.5759 mL |
| 5 mM | 0.4315 mL | 2.1576 mL | 4.3152 mL |
| 10 mM | 0.2158 mL | 1.0788 mL | 2.1576 mL |
