Resiniferatoxin (57444-62-9) is an ultrapotent TRPV1 activator (Ki=43 pM).1 Resiniferatoxin is 100-10,000 fold more potent than capsaicin for most responses yet displays a spectrum of activity distinct from capsaicin.2 A potent sensory neuron excitotoxin.3 Induces a long lasting analgesia in a rodent model of burn pain.4
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1) Szolcsanyi et al. (1990), Resiniferatoxin: an ultrapotent selective modulator of capsaicin-sensitive primary afferent neurons; J. Pharmacol. Exp. Ther., 255 923
2) Szallasi and Blumberg (1998), Resiniferatoxin and its analogs provide novel insights into the pharmacology of the vanilloid (capsaicin) receptor; Life Sci. 47 1399
3) Winter et al. (1990) Cellular mechanism of action of resiniferatoxin: a potent sensory neuron excitotoxin; Brain Res. 520 131
4) Salas et al. (2017) Local Resiniferatoxin Induces Long-Lasting Analgesia in a Rat Model of Full Thickness Thermal Injury; Pain Med. 18 2453
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