Current views on scorpion toxins specific for K+-channels

RCR de la Vega, LD Possani - Toxicon, 2004 - Elsevier
Much of our knowledge on K+-channels was elucidated using specific peptide ligands
isolated from a number of venomous organisms. Recently, this field received a strong …

Potassium channel blockers in multiple sclerosis: neuronal Kv channels and effects of symptomatic treatment

SIV Judge, CT Bever Jr - Pharmacology & therapeutics, 2006 - Elsevier
Multiple sclerosis (MS) is an inflammatory disease of the central nervous system (CNS)
characterized by demyelination, with a relative sparing of axons. In MS patients, many …

Diversity of folds in animal toxins acting on ion channels

S Mouhat, B Jouirou, A Mosbah, M De Waard… - Biochemical …, 2004 - portlandpress.com
Animal toxins acting on ion channels of excitable cells are principally highly potent short
peptides that are present in limited amounts in the venoms of various unrelated species …

Diversity of potassium channel ligands: focus on scorpion toxins

AI Kuzmenkov, EV Grishin, AA Vassilevski - Biochemistry (Moscow), 2015 - Springer
Potassium (K+) channels are a widespread superfamily of integral membrane proteins that
mediate selective transport of K+ ions through the cell membrane. They have been found in …

K+ channel types targeted by synthetic OSK1, a toxin from Orthochirus scrobiculosus scorpion venom

S Mouhat, V Visan, S Ananthakrishnan… - Biochemical …, 2005 - portlandpress.com
OSK1 (α-KTx3. 7) is a 38-residue toxin cross-linked by three disulphide bridges that was
initially isolated from the venom of the Asian scorpion Orthochirus scrobiculosus. OSK1 and …

K+ channel blockers: novel tools to inhibit T cell activation leading to specific immunosuppression

G Panyi, LD Possani, RCR De La Vega… - Current …, 2006 - ingentaconnect.com
During the last two decades since the identification and characterization of T cell potassium
channels great advances have been made in the understanding of the role of these …

Molecular determinants of voltage-gated potassium currents in vascular smooth muscle

RH Cox - Cell biochemistry and biophysics, 2005 - Springer
Abstracts Voltage-gated K+ channels (K v) play an important role in regulating contraction of
vascular smooth muscle cells (VSMC) through their effects on membrane potential and on …

Beyond hemostasis: a snake venom serine protease with potassium channel blocking and potential antitumor activities

J Boldrini-França, EL Pinheiro-Junior, S Peigneur… - Scientific Reports, 2020 - nature.com
Snake venom serine proteases (SVSPs) are complex and multifunctional enzymes, acting
primarily on hemostasis. In this work, we report the hitherto unknown inhibitory effect of a …

Kalium: a database of potassium channel toxins from scorpion venom

AI Kuzmenkov, NA Krylov, AO Chugunov, EV Grishin… - Database, 2016 - academic.oup.com
Abstract Kalium (http://kaliumdb. org/) is a manually curated database that accumulates data
on potassium channel toxins purified from scorpion venom (KTx). This database is an open …

Scorpion toxin peptide action at the ion channel subunit level

DM Housley, GD Housley, MJ Liddell, EA Jennings - Neuropharmacology, 2017 - Elsevier
This review categorizes functionally validated actions of defined scorpion toxin (SCTX)
neuropeptides across ion channel subclasses, highlighting key trends in this rapidly …