Tinyatoxin
Tinyatoxin is a neurotoxin produced by the Euphorbia poissonii plant, also known as the Nigerian sand box tree. It is one of the most potent capsaicinoids known, and is a potent TRPV1 agonist.
Structure and Function[edit | edit source]
Tinyatoxin is a lipophilic compound, meaning it is soluble in fats and oils. It is structurally similar to capsaicin, the compound that gives chili peppers their heat. Both capsaicin and tinyatoxin activate the TRPV1 receptor, a protein that responds to heat and pain.
Tinyatoxin binds to the TRPV1 receptor and causes it to open, allowing calcium ions to flow into the cell. This influx of calcium triggers a pain response, making tinyatoxin a potent pain-inducing agent.
Toxicity[edit | edit source]
Tinyatoxin is extremely toxic, with an LD50 (lethal dose for 50% of a test population) of 5 micrograms per kilogram of body weight in mice. This makes it one of the most potent plant toxins known. Exposure to tinyatoxin can cause severe pain, inflammation, and tissue damage.
Medical Use[edit | edit source]
Despite its toxicity, tinyatoxin has potential medical uses. Because it activates the TRPV1 receptor, it could be used to study this receptor and develop new pain medications. However, its extreme potency and toxicity make it difficult to use safely.
See Also[edit | edit source]
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