biological activity | Protosappanin A (PTA), an immune preparation, it is a major biphenyl compound isolated from Caesalpinia sappan L, which inhibits the JAK2/STAT3-dependent inflammatory pathway by down-regulating the phosphorylation of JAK2 and STAT3. |
Cell Line:
| Murine BV2 microglial cell line. |
Concentration:
| 12.5, 25, 50 μM. |
Incubation Time:
| 24 hours. |
Result:
| Inhibits the releases of NO, TNF-α and IL-1β in LPS-induced BV2 cells. Attenuated IL-6, IL-1β and MCP-1 gene expressions in the LPS-induced BV2 cells. Suppressed JAK2/STAT3 pathway activation in the LPS-induced BV2 cells. |