Snake venom Lys49 myotoxins: from phospholipases A2 to non-enzymatic membrane disruptors

B Lomonte, J Rangel - Toxicon, 2012 - Elsevier
Snake venoms often contain toxins that cause a rapid necrosis of skeletal muscle fibers,
referred to as myotoxins. The most common among them are phospholipases A2 (PLA2s) …

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 …

A structure-based proposal for a comprehensive myotoxic mechanism of phospholipase A2-like proteins from viperid snake venoms

CAH Fernandes, RJ Borges, B Lomonte… - Biochimica et Biophysica …, 2014 - Elsevier
Envenomation via snakebites is an important public health problem in many tropical and
subtropical countries that, in addition to mortality, can result in permanent sequelae as a …

[PDF][PDF] Phospholipases A2 from viperidae snake venoms: how do they induce skeletal muscle damage?

B Lomonte, JM Gutiérrez - 2011 - researchgate.net
Abstract Phospholipases A2 (PLA2s) are abundant components in snake venoms, which
play important toxic roles. This review focuses on group II PLA2s endowed with myotoxic …

Synergism between Basic Asp49 and Lys49 Phospholipase A2 Myotoxins of Viperid Snake Venom In Vitro and In Vivo

D Mora-Obando, J Fernandez, C Montecucco… - PLoS …, 2014 - journals.plos.org
Two subtypes of phospholipases A2 (PLA2s) with the ability to induce myonecrosis,'Asp49'
and 'Lys49'myotoxins, often coexist in viperid snake venoms. Since the latter lack catalytic …

Bothrops snake myotoxins induce a large efflux of ATP and potassium with spreading of cell damage and pain

M Cintra-Francischinelli, P Caccin… - Proceedings of the …, 2010 - National Acad Sciences
Myotoxins play a major role in the pathogenesis of the envenomations caused by snake
bites in large parts of the world where this is a very relevant public health problem. We show …

Structural basis of the myotoxic inhibition of the Bothrops pirajai PrTX-I by the synthetic varespladib

GHM Salvador, ÊKR Pinto, PL Ortolani, CL Fortes-Dias… - Biochimie, 2023 - Elsevier
Varespladib (LY315920) is a potent inhibitor of human group IIA phospholipase A 2 (PLA 2)
originally developed to control inflammatory cascades of diseases associated with high or …

Structural and Functional Studies of a Bothropic Myotoxin Complexed to Rosmarinic Acid: New Insights into Lys49-PLA2 Inhibition

JI Dos Santos, FF Cardoso, AM Soares… - PloS one, 2011 - journals.plos.org
Snakebite envenoming is an important public health problem in many tropical and
subtropical countries, and is considered a neglected tropical disease by the World Health …

[HTML][HTML] Role of enzymatic activity in muscle damage and cytotoxicity induced by Bothrops asper Asp49 phospholipase A2 myotoxins: are there additional effector …

D Mora-Obando, C Díaz, Y Angulo, JM Gutiérrez… - PeerJ, 2014 - peerj.com
Viperid venoms often contain mixtures of Asp49 and Lys49 PLA 2 myotoxin isoforms,
relevant to development of myonecrosis. Given their difference in catalytic activity …

Isolation and expression of a hypotensive and anti-platelet acidic phospholipase A2 from Bothrops moojeni snake venom

LB Silveira, DP Marchi-Salvador… - … of pharmaceutical and …, 2013 - Elsevier
Phospholipases A2 are important components of snake venoms, the basic isoforms have
been more extensively studied than the acidic groups, maybe due to their higher toxicity …