| 产品描述: | OSMI-2 (Compound 1b) is a cell-permeable O-linked N-acetylglucosamine transferase (OGT) inhibitor. Cells contain a large nuclear pool of partially spliced OGT transcript, and OSMI-2 increases detained intron splicing in cells. |
| 体外研究: |
OSMI-2 (Compound 1b; 20-50 μM; 4-24 hours; HCT116 cells) treatment reduces O-GlcNAc levels at short treatment times (<8h). However, O-GlcNAc levels begins to recover at longer treatment times with OSMI-2. A decrease in HCF-1 cleavage products and the appearance of uncleaved HCF-1 in cells treated with OSMI-2 (Compound 1b) is observed. Because OGT knockdown is known to decrease cell proliferation, the effects of OSMI-2 on cell growth in culture over 96h is also monitored. Although there is no evidence of apoptosis, the reduced growth of cells over time is observed, consistent with the knockdown results. A time course performed with 20 μM OSMI-2 (Compound 1b) shows reciprocal changes in the abundance of OGT and OGA, with a particularly large increase in OGT; this may explain the recovery in O-GlcNAc levels with OSMI-2. At 24h where O-GlcNAc levels fully recovered. |
| 保存条件: |
-20°C |
| 配置溶液浓度参考: |
|
1mg |
5mg |
10mg |
| 1 mM |
1.8 ml |
8.999 ml |
17.998 ml |
| 5 mM |
0.36 ml |
1.8 ml |
3.6 ml |
| 10 mM |
0.18 ml |
0.9 ml |
1.8 ml |
| 50 mM |
0.036 ml |
0.18 ml |
0.36 ml |
|
| 注意: |
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