Apitoxin or bee venom is the venom produced by the honey bee. It is a Cytotoxicity and Hemotoxin bitter colorless liquid containing , which may produce local inflammation. It may have similarities to sea nettle toxin.
The main component is melittin, which amounts to 52% of venom peptides. One of the main allergens is phospholipase A2, which amounts to 12% and is an enzyme that catalyzes the hydrolysis of phospholipids, causing degradation of cell membranes. Adolapin contributes 2–5% of the peptides. Further protein components include apamin (2%), a neurotoxin, hyaluronidase (2%), which dilates blood vessels, increasing their permeability and facilitating the spread of the venom, MCD peptide (2%), tertiapin, and secapin.UniProt , , , , , . Small molecules in bee venom include histamine (0.1–1%), dopamine and noradrenaline.
Bee venom is also considered ineffective for the treatment or prevention of cancer, with no clinical studies to date supporting such effects.
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