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Biological and proteolytic variation in the venom of Crotalus scutulatus scutulatus from Mexico
(2018-01)
Rattlesnake venoms may be classified according to the presence/absence and relative
abundance of the neurotoxic phospholipases A2s (PLA2s), such as Mojave toxin, and snake venom
metalloproteinases (SVMPs). In Mexico, ...
Discovery and optimization of a broadly-neutralizing human antibody against long-chain α-neurotoxins from snakes
(2023-02-08)
Snakebite envenoming continues to claim many lives across the globe, necessitating the development of improved therapies. To this end, broadly-neutralizing human monoclonal antibodies may possess advantages over current ...
Determinación cuantitativa de la actividad lítica del complemento sérico (CH50) en adultos costarricenses
(1986)
En el presente trabajo se estandariza un método
simple y cuantitativo para la determinación de la
actividad hemolítica (CH5O) del complemento sérico.
Con este método, se evalúa los niveles de
complemento en una muestra ...
Lemnitoxin, the major component of Micrurus lemniscatus coral snake venom, is a myotoxic and pro-inflammatory phospholipase A2
(2016-08-26)
The venom of Micrurus lemniscatus, a coral snake of wide geographical distribution in South America, was fractionated by reverse-phase HPLC and the fractions screened for phospholipase A2 (PLA2) activity. The major component ...
Structural and functional characterization of myotoxin I, a Lys49 phospholipase A(2) homologue from Bothrops moojeni (Caissaca) snake venom
(2000-01-01)
Myotoxin-I (MjTX-I) was purified to homogeneity from the venom of Bothrops moojeni by ion-exchange chromatography on CM-Sepharose. Its molecular weight, estimated by SDS–PAGE, was 13,400 (reduced) or 26,000 (unreduced). ...
Snake venomics of the South and Central American Bushmasters. Comparison of the toxin composition of Lachesis muta gathered from proteomic versus transcriptomic analysis
(2008-04-30)
We report the proteomic characterization of the venoms of two closely related pit vipers of the genus Lachesis, L. muta (South American Bushmaster) and L. stenophrys (Central American Bushmaster), and compare the toxin ...
Venom characterization of the bark scorpion Centruroides edwardsii (Gervais 1843): composition, biochemical activities and in vivo toxicity for potential prey
(2019)
In this study, we characterize the venom of Centruroides edwardsii, one of the most abundant scorpions in urban
and rural areas of Costa Rica, in terms of its biochemical constituents and their biological activities. C. ...
Immunochemical characterization of Micrurus nigrocinctus nigrocinctus venom with monoclonal and polyclonal antibodies
(1994)
Eleven murine monocloncal antibodies (MAbs) against Micrurus nigrocinctus nigrocinctus venom were produced and partially characterized. When M. n. nigrocinctus venom proteins were separated by SDS-PAGE under non-reducing ...
Why myotoxin-containing snake venoms possess powerful nucleotidases?
(2013-01-25)
The venom of the snake Bothrops asper causes muscle necrosis, pain and inflammation. This venom contains myotoxins which cause an increase in intracellular Ca2+ concentration and release of K+ and ATP from myotubes. ATP ...
Myotoxic phospholipases A2 in Bothrops snake venoms: Effect of chemical modifications on the enzymatic and pharmacological properties of bothropstoxins from Bothrops jararacussu
(2000-08)
Venoms from eight Bothrops spp. were fractionated by ion-exchange chromatography on CM-Sepharose at pH 8.0 for the purification of myotoxins. Chromatographic profiles showed differences regarding myotoxic components among ...