The Kv1.3 K+ channel in the immune system and its “precision pharmacology” using peptide toxins

Z Varga, G Tajti, G Panyi - Biologia futura, 2021 - Springer
Since the discovery of the Kv1. 3 voltage-gated K+ channel in human T cells in 1984, ion
channels are considered crucial elements of the signal transduction machinery in the …

Peptide inhibitors of Kv1. 5: an option for the treatment of atrial fibrillation

J Borrego, A Feher, N Jost, G Panyi, Z Varga, F Papp - Pharmaceuticals, 2021 - mdpi.com
The human voltage gated potassium channel Kv1. 5 that conducts the IKur current is a key
determinant of the atrial action potential. Its mutations have been linked to hereditary forms …

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 …

Recombinant Expression in Pichia pastoris System of Three Potent Kv1.3 Channel Blockers: Vm24, Anuroctoxin, and Ts6

J Borrego, MU Naseem, ANA Sehgal, LR Panda… - Journal of Fungi, 2022 - mdpi.com
The Kv1. 3 channel has become a therapeutic target for the treatment of various diseases.
Several Kv1. 3 channel blockers have been characterized from scorpion venom; however …

Colombian Scorpion Centruroides margaritatus: Purification and Characterization of a Gamma Potassium Toxin with Full-Block Activity on the hERG1 Channel

J Beltrán-Vidal, E Carcamo-Noriega, N Pastor… - Toxins, 2021 - mdpi.com
The Colombian scorpion Centruroides margaritatus produces a venom considered of low
toxicity. Nevertheless, there are known cases of envenomation resulting in cardiovascular …

Isolation, chemical and functional characterization of several new K+-channel blocking peptides from the venom of the scorpion Centruroides tecomanus

T Olamendi-Portugal, A Bartok, F Zamudio-Zuñiga… - Toxicon, 2016 - Elsevier
Six new peptides were isolated from the venom of the Mexican scorpion Centruroides
tecomanus; their primary structures were determined and the effects on ion channels were …

Proteomic analysis and lethality of the venom of Aegaeobuthus nigrocinctus, a scorpion of medical significance in the Middle East

A Borges, B Lomonte - Acta tropica, 2024 - Elsevier
The scorpion Aegaeobuthus nigrocinctus inhabits areas in Turkey and the Levant region of
the Middle East where severe/lethal envenomings have been reported. Previous research …

Venom-derived pain-causing toxins: insights into sensory neuron function and pain mechanisms

SD Robinson, JR Deuis, T Klasfauseweh, V Schendel… - Pain, 2022 - journals.lww.com
Pain after envenomation is a well-known phenomenon: touching a nettle, stepping on a bee,
or becoming wrapped in jellyfish tentacles are relatively common encounters in our lives …

Pi5 and Pi6, two undescribed peptides from the venom of the scorpion Pandinus imperator and their effects on K+-channels

T Olamendi-Portugal, A Csoti, JM Jimenez-Vargas… - Toxicon, 2017 - Elsevier
This work reports the isolation, chemical and functional characterization of two previously
unknown peptides purified from the venom of the scorpion Pandinus imperator …

Australian Scorpion Hormurus waigiensis Venom Fractions Show Broad Bioactivity through Modulation of Bio-Impedance and Cytosolic Calcium

DM Housley, JL Pinyon, G von Jonquieres, CJ Perera… - Biomolecules, 2020 - mdpi.com
Scorpion venoms are a rich source of bioactive molecules, but characterisation of toxin
peptides affecting cytosolic Ca2+, central to cell signalling and cell death, is limited. We …