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Protosappanin A (PTA), an immune agent, is a major biphenyl compound isolated from Caesalpinia sappan L that inhibits the JAK2/STAT3-dependent inflammatory pathway by down-regulating the phosphorylation of JAK2 and STAT3.
| Molecular Weight | 272.25 |
| Formula | C15H12O5 |
| CAS Number | 102036-28-2 |
| Solubility (25°C) | DMSO ≥ 200 mg/mL |
| Storage | 4°C protect from light dry |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Related JAK Products |
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| BMS-986202
BMS-986202 is a potent, selective, orally active Tyk2 inhibitor that binds to Tyk2 JH2 with an IC50 of 0.19 nM and a Ki of 0.02 nM. BMS-986202 is also a weak inhibitor of CYP2C19 with an IC50 of 14 μM. BMS-986202 can be used in IL-23-driven echinococcosis BMS-986202 can be used in studies of IL-23-driven echinococcosis, anti-CD40-induced colitis and spontaneous lupus. |
| GDC046
GDC046 (Compound 3) is a potent, selective, and orally bioavailable inhibitor of TYK2 with Ki of 4.8 nM, 83.8 nM, 27.6 nM and 253 nM for TYK2, JAK1, JAK2, and JAK3, respectively. |
| RO495
RO495 (CS-2667) is a potent inhibitor of Non-receptor tyrosine-protein kinase 2 (TYK2). |
| TG-89
TG-89 is a JAK inhibitor that inhibits JAK2, FLT3, RET and JAK3. |
| WYE-175765
WYE-175765 is a JAK3 and YopH inhibitor |
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