LY2228820 Chemical Structure
SB 203580 is a potent inhibitor of LPS-induced cytokine synthesis in the human monocyte cell line THP-1 (IC50 = 50-100 nM).
SB 202190 is a P38 MAP(mitogen activated protein) Kinase inhibitor.
VX-745 is a potent and selective inhibitor to p38α and p38β MAPK with IC50 of 10 nM and 220 nM, respectively.
Vinorelbine (Navelbine) is the first 5´NOR semi-synthetic vinca alkaloid and exerts its activity through the MAPK (p38) pathway with median IC90 and IC50 of 15.5 and 2.3 μM.
BIRB 796 (Doramapimod) is a highly selective p38α MAPK inhibitor of TNF-α with EC50 of 18 nM in THP-1 cells.
PH-797804 is a highly selective, potent, and ATP-competitive p38 MAP kinase inhibitor with an IC50 of 2.3 nM.
VX-702 is a highly selective, orally active inhibitor of p38 MAPKα with an IC50 range of 4 to 20 nM for human platelets.
AZD6244 (Selumetinib, ARRY-142886) is highly potent to inhibit MEK1 with IC50 of 14 nM.
CI-1040 (PD184352) is a MEK 1/2 inhibitor. Ki of 300nM
PD0325901 is MEK inhibitor and non-competitive with ATP, Kiapp of 1 nM against activated MEK1 and MEK2.
LY2228820 is a novel and potent p38MAPK inhibitor: in vitro kinase enzyme activity showed that the IC50 for p38αMAPK and p38βMAPK were 7 nM and 3 nM, respectively, while that for p38δMAPK, p38γMAPK and a panel of 172 additional kinases was more than 20 µM. Phosphorylation of MAPKAPK2 and/or HSP27, down stream targets of p38MAPK, was significantly inhibited by LY in both MM cell lines and LT-BMSCs. [1]
| Molecular Weight (WM): | 612.74 |
|---|---|
| Formula: | C24H29FN6.2CH4O3S |
| CAS No.: | 862507-23-1 |
| Synonyms: |
N/A
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| Dissolve in (25°C): | DMSO ≥35mg/mL |
| Water ≥123mg/mL | |
| Ethanol ≥3mg/mL | |
| Storage: | 2 years-20°CPowder |
| 1 week-4°Cin DMSO | |
| 1 month-80°in DMSO |
A collection of 864 bioactive compounds
A collection of 481 inhibitors
A collection of 194 kinase inhibitors
A collection of 85 tyrosine kinase inhibitors.
A collection of 426 FDA approved drugs
A collection of 139 natural products
A collection of 40 chemotherapeutic agents
A unique collection of 17 small molecule modulators
A unique collection of 47 small molecule inhibitors
A unique collection of 63 GPCR small molecules

| For MTT assays, cells (2,000 ~ 5,000 cells/well) were subcultured into 96-well plates according to their growth properties. Cell proliferation was assayed at 72 hr after treatment of LY2228820 by adding 20 μl of 5 mg/ml 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) solution per 100 μl of growth medium. After incubating for 3-4 h at 37°C, the media were removed and 150 µl/well of MTT solvent (either absolute DMSO or isopropanol containing 4 mM HCl and 0.1% Nonidet-40) was added to dissolve the formazan. The absorbance of each well was measured by ELx808 (BioTek, Winooski, VT) or Wallac Victor2 (Perkin-Elmer Life Sciences, Boston, MA) Microplate Reader. Viable cells are presented as percent of control, vehicle-treated cells. |
Data independently produced by Dr. Yong-Weon Yi from Georgetown University Medical Center. LY2228820 purchased from Selleck

| Cell cycle phase distributions were determined on U87EV and U87PTEN cell treated with B, +/- rapamycin and +/- LY2228820 as shown. Percent apoptotic cells as determined via annexin V staining is also shown below each graph. D were identical to B, except LN229MER-AKT and LN229EV cells induced with 4OHT were used. |
Data from [Mol Cancer Ther 2011.Dec;10:2244-56] LY2228820 purchased from Selleck
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