| Size | Price | Stock |
|---|---|---|
| 5mg | $280 | In-stock |
| 10mg | $450 | In-stock |
| 25mg | $742 | In-stock |
| 50mg | $982 | In-stock |
| 100 mg | Get quote | |
| 200 mg | Get quote | |
| We match the lowest price on market. | ||
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| Cat. No. : | HY-113573 |
| M.Wt: | 272.25 |
| Formula: | C15H12O5 |
| Purity: | >98 % |
| Solubility: | DMSO : 125 mg/mL (ultrasonic) |
Protosappanin A (PTA), an immunosuppressive ingredient and major biphenyl compound isolated from Caesalpinia sappan L, suppresses JAK2/STAT3-dependent inflammation pathway through down-regulating the phosphorylation of JAK2 and STAT3[1].
IC50 & Target:JAK2, STAT3[1].
In Vitro: Protosappanin A (PTA: 12.5, 25, 50 μM, 24 hours) significantly inhibits the production of TNF-α and IL-1β in LPS-activated BV2 microglia. And the mRNA expressions of IL-6, IL-1β, and MCP-1 are reduced by PTA in a dose-dependent manner in BV2 microglial cell line[1].
Protosappanin A (PTA: 12.5, 25, 50 μM, 24 hours) suppresses JAK2/STAT3-dependent inflammation pathway through down-regulating the phosphorylation of JAK2 and STAT3, as well as STAT3 nuclear translocation against LPS treatment[1].
Protosappanin A (PTA: 12.5, 25, 50 μM, 24 hours) shows obvious effect on disturbing the interaction of transmembrane protein CD14 with Toll-like receptor-4, resulting in the inhibition of NF-κB-dependent oxidative and nitrative stress in LPS-induced BV2 microglia[2].
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