MSP-3 is a Transient Receptor Potential Vanilloid Type-1 (TRPV1) channel agonist with antioxidant and neuroprotective activity. MSP-3 activated TRPV1 channels with similar efficacy as compared to capsaicin (EC50 = 870 nM). It protected a keratinocyte cell line from oxidative stress damage with more efficacy than capsaicin and prevented the damage caused by H2O2 in differentiated human neuroblastoma cell lines as well as in rat cortical slices.
| Molecular Weight | 305.39 |
| Formula | C16H19NO3S |
| CAS Number | 1820968-63-5 |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| 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 TRP Channel Products |
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| N-Oleoyl glutamine
N-oleoyl-glutamine is a PM20D1-regulated N-acyl amino acids (NAAs). |
| N-Oleoyl valine
N-Oleoyl valine is a N-acyl valine compound that acts as a TRPV3 receptor antagonist. |
| TAT-M2NX
TAT-M2NX (tatM2NX) is a TRPM2 inhibitor with specific neuroprotective activity in male mice. |
| SOR-C13
SOR-C13, a carboxy-terminal truncated peptide, is a high-affinity TRPV6 antagonist with an IC50 value of 14 nM. |
| GsMTx4 TFA
GsMTx4 TFA is a spider venom peptide that selectively inhibits cation permeable mechanosensitive channels (MSCs) belonging to the Piezo and TRP channel families. In addition, GsMTx4 TFA blocks cation-selective stretch-activated channels (SACs) and attenuates lysophosphatidylcholine (LPC)-induced astrocytotoxicity and microglial cell reactivity. |
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