Phospholipase A2 myotoxins from Bothrops snake venoms

JM Gutiérrez, B Lomonte - Toxicon, 1995 - Elsevier
Several myotoxins have been isolated from Bothrops snake venoms during the last 10
years. All of them are group II basic phospholipases A2, although some lack enzymatic …

Skeletal muscle degeneration induced by venom phospholipases A2: insights into the mechanisms of local and systemic myotoxicity

JM Gutiérrez, CL Ownby - Toxicon, 2003 - Elsevier
Local and systemic skeletal muscle degeneration is a common consequence of
envenomations due to snakebites and mass bee attacks. Phospholipases A2 (PLA2) are …

Phospholipase A2—a structural review

RK Arni, RJ Ward - Toxicon, 1996 - Elsevier
Phospholipases A2 (PLA2) are widely distributed in nature and are well characterized
proteins with respect to their catalytic and pharmacological activities. A wealth of structural …

Ophidian envenomation strategies and the role of purines

SD Aird - Toxicon, 2002 - Elsevier
Snake envenomation employs three well integrated strategies: prey immobilization via
hypotension, prey immobilization via paralysis, and prey digestion. Purines (adenosine …

An overview of lysine-49 phospholipase A2 myotoxins from crotalid snake venoms and their structural determinants of myotoxic action

B Lomonte, Y Angulo, L Calderón - Toxicon, 2003 - Elsevier
In 1984, the first venom phospholipase A2 (PLA2) with a lysine substituting for the highly
conserved aspartate 49 was discovered, in the North American crotalid snake Agkistrodon p …

Lys49 myotoxins, secreted phospholipase A2-like proteins of viperid venoms: A comprehensive review

B Lomonte - Toxicon, 2023 - Elsevier
Muscle necrosis is a potential clinical complication of snakebite envenomings, which in
severe cases can lead to functional or physical sequelae such as disability or amputation …

Catalytically Active Snake Venom PLA2 Enzymes: An Overview of Its Elusive Mechanisms of Reaction: Miniperspective

J Castro-Amorim, A Novo de Oliveira… - Journal of Medicinal …, 2023 - ACS Publications
Snake venom-secreted phospholipase A2 (svPLA2) enzymes, both catalytically active and
inactive, are a central component in envenoming. These are responsible for disrupting the …

Inflammatory effects of snake venom myotoxic phospholipases A2

CFP Teixeira, ECT Landucci, E Antunes, M Chacur… - Toxicon, 2003 - Elsevier
Snake venom phospholipases A2 (PLA2) show a remarkable functional diversity. Among
their toxic activities, some display the ability to cause rapid necrosis of skeletal muscle fibers …

Host response toBothrops asper snake venom: Analysis of edema formation, inflammatory cells, and cytokine release in a mouse model

B Lomonte, A Tarkowski, LÅ Hanson - Inflammation, 1993 - Springer
As part of the characterization of the host reactivity to the venom of Bothrops asper, we
investigated the inflammatory responses in the mouse footpad model. The subcutaneously …

Experimental pathology of local tissue damage induced by Bothrops asper snake venom

JM Gutiérrez, A Rucavado, F Chaves, C Díaz… - Toxicon, 2009 - Elsevier
Envenomations by Bothrops asper are often associated with complex and severe local
pathological manifestations, including edema, blistering, dermonecrosis, myonecrosis and …