Scorpion Venoms 2014
DOI: 10.1007/978-94-007-6404-0_7
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Scorpion Venom Research Around the World: Tityus serrulatus

Abstract: Tityus serrulatus is considered the most dangerous scorpion in Brazil. It is widely distributed, especially in the Southeast region, and is responsible for the highest number and most severe accidents. This chapter focuses on Tityus serrulatus scorpion venom (Tsv) and aspires to unravel its complex composition with emphases on its isolated proteins, their targets, structures, and functions. It takes a closer look at the peptides related to the Na + and K + channel toxin families, NaTx and KTx, respectively, in… Show more

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Cited by 13 publications
(29 citation statements)
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“…These peptides are 29 amino-acid residues long, ranging from approximately 2900 to 3000 Da. They are highly reticulated by four disulfide-bridges, which make these peptides the most constrained structures of scorpion venom-derived peptides known to date, and a unique group of neurotoxins found in Tityus serrulatus venom containing the vicinal cysteines [6]. …”
Section: Introductionmentioning
confidence: 99%
“…These peptides are 29 amino-acid residues long, ranging from approximately 2900 to 3000 Da. They are highly reticulated by four disulfide-bridges, which make these peptides the most constrained structures of scorpion venom-derived peptides known to date, and a unique group of neurotoxins found in Tityus serrulatus venom containing the vicinal cysteines [6]. …”
Section: Introductionmentioning
confidence: 99%
“…As β-toxinas apresentam especificidade ao sítio 4 dos Navs e também são subdivididas em βm (mamíferos), βi (insetos) e β-like (mamíferos e insetos). Essas alteram a dependência da ativação para potenciais mais negativos, resultando na produção de potenciais de ação espontâneos e repetidos (Bordon et al, 2015;Bosmans e Tytgat, 2007;Cestele e Catterall, 2009;Stevens et al, 2011). As toxinas escorpiônicas com ações em Navs são responsáveis pelos principais sinais e sintomas apresentados durante o quadro de envenenamento (Bordon et al, 2015).…”
Section: Canais Iônicos Sensíveis a Voltagem E Toxinas Escorpiônicasunclassified
“…Essas alteram a dependência da ativação para potenciais mais negativos, resultando na produção de potenciais de ação espontâneos e repetidos (Bordon et al, 2015;Bosmans e Tytgat, 2007;Cestele e Catterall, 2009;Stevens et al, 2011). As toxinas escorpiônicas com ações em Navs são responsáveis pelos principais sinais e sintomas apresentados durante o quadro de envenenamento (Bordon et al, 2015). Em geral, são toxinas que apresentam de 60 a 76 resíduos de aminoácidos fortemente interligados por quatro pontes de sulfeto, responsáveis pela alta estabilidade da molécula (Bordon et al, 2015).…”
Section: Canais Iônicos Sensíveis a Voltagem E Toxinas Escorpiônicasunclassified
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