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 …

Venom-derived peptide modulators of cation-selective channels: friend, foe or frenemy

S Bajaj, J Han - Frontiers in pharmacology, 2019 - frontiersin.org
Ion channels play a key role in our body to regulate homeostasis and conduct electrical
signals. With the help of advances in structural biology, as well as the discovery of numerous …

Characterization and chemical synthesis of Cm39 (α-KTx 4.8): a scorpion toxin that inhibits voltage-gated K+ channel KV1. 2 and small-and intermediate-conductance …

MU Naseem, G Gurrola-Briones, MR Romero-Imbachi… - Toxins, 2023 - mdpi.com
A novel peptide, Cm39, was identified in the venom of the scorpion Centruroides
margaritatus. Its primary structure was determined. It consists of 37 amino acid residues with …

Whole Transcriptome of the Venom Gland from Urodacus yaschenkoi Scorpion

K Luna-Ramírez, V Quintero-Hernandez… - PloS one, 2015 - journals.plos.org
Australian scorpion venoms have been poorly studied, probably because they do not pose
an evident threat to humans. In addition, the continent has other medically important …

KV1. 2 channel-specific blocker from Mesobuthus eupeus scorpion venom: Structural basis of selectivity

AI Kuzmenkov, OV Nekrasova, S Peigneur… - …, 2018 - Elsevier
Scorpion venom is an unmatched source of selective high-affinity ligands of potassium
channels. There is a high demand for such compounds to identify and manipulate the …

Scorpion toxins targeting Kv1. 3 channels: insights into immunosuppression

IS Oliveira, IG Ferreira, GM Alexandre-Silva… - Journal of Venomous …, 2019 - SciELO Brasil
Scorpion venoms are natural sources of molecules that have, in addition to their toxic
function, potential therapeutic applications. In this source the neurotoxins can be found …

Transcriptomic analysis of the venom glands from the scorpion Hadogenes troglodytes revealed unique and extremely high diversity of the venom peptides

J Zhong, XC Zeng, X Zeng, Y Nie, L Zhang, S Wu… - Journal of …, 2017 - Elsevier
Hadogenes is a genus of large African scorpions with 18 described species. However, little
is known about the venom peptide composition of any species from Hadogenes so far. Here …

Orally Delivered Scorpion Antimicrobial Peptides Exhibit Activity against Pea Aphid (Acyrthosiphon pisum) and Its Bacterial Symbionts

K Luna-Ramirez, M Skaljac, J Grotmann, P Kirfel… - Toxins, 2017 - mdpi.com
Aphids are severe agricultural pests that damage crops by feeding on phloem sap and
vectoring plant pathogens. Chemical insecticides provide an important aphid control …

Arthropod toxins acting on neuronal potassium channels

JM Jiménez-Vargas, LD Possani, K Luna-Ramírez - Neuropharmacology, 2017 - Elsevier
Arthropod venoms are a rich mixture of biologically active compounds exerting different
physiological actions across diverse phyla and affecting multiple organ systems including …

Structural basis of the potency and selectivity of Urotoxin, a potent Kv1 blocker from scorpion venom

K Luna-Ramirez, A Csoti, JR McArthur… - Biochemical …, 2020 - Elsevier
Abstract Urotoxin (α-KTx 6), a peptide from venom of the Australian scorpion Urodacus
yaschenkoi, is the most potent inhibitor of Kv1. 2 described to date (IC 50= 160 pM). The …