Vipera ammodytes venom

Vipera ammodytes venom is the complex toxic secretion of the long-nosed viper, widely regarded as the most dangerous snake in Europe due to its potent venom and significant yield. The venom is a heterogeneous mixture of proteins and peptides, primarily dominated by secreted phospholipases A2 (sPLA2s), such as the presynaptically neurotoxic ammodytoxins, as well as snake venom metalloproteinases (SVMPs) and serine proteases (Toxins, 2011, 3(7), 718-738). These components act synergistically to induce a range of clinical manifestations, including severe local tissue damage, systemic hemorrhage, and life-threatening neurotoxicity by blocking neurotransmitter release at the neuromuscular junction (Journal of Proteomics, 2015, 126, 25-40). In clinical toxicology, the venom is the therapeutic target for antivenoms, which utilize purified antibodies to sequester and neutralize the circulating toxins. Emerging research also focuses on small-molecule inhibitors like varespladib (a PLA2 inhibitor) and metalloproteinase inhibitors to provide rapid, field-stable treatments that can mitigate the enzymatic destruction caused by the venom before hospital-based antivenom can be administered (Scientific Reports, 2020, 10, 11245).

Other names

Long-nosed viper venomHorned viper venomNose-horned viper venomSand viper venomVipera ammodytes ammodytes venom

Neutralization of toxic proteins by specific antibodies and competitive inhibition of enzymatic activity by small molecules.