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 …

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 …

Animal toxins acting on voltage-gated potassium channels

S Mouhat, N Andreotti, B Jouirou… - Current pharmaceutical …, 2008 - ingentaconnect.com
Animal venoms are rich natural sources of bioactive compounds, including peptide toxins
acting on the various types of ion channels, ie K+, Na+, Cl-and Ca2+. Among K+ channel …

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 …

Selective reciprocity in antimicrobial activity versus cytotoxicity of hBD-2 and crotamine

NY Yount, D Kupferwasser, A Spisni… - Proceedings of the …, 2009 - National Acad Sciences
Recent discoveries suggest cysteine-stabilized toxins and antimicrobial peptides have
structure–activity parallels derived by common ancestry. Here, human antimicrobial peptide …

Why to study peptides from venomous and poisonous animals?

AN de Oliveira, AM Soares, SL Da Silva - International Journal of Peptide …, 2023 - Springer
Venom and poison peptides are powerful biological weapons and have proven immense
pharmacological potential because of their high binding affinity to a wide range of molecular …

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 …

Transgenic expression of gallerimycin, a novel antifungal insect defensin from the greater wax moth Galleria mellonella, confers resistance to pathogenic fungi in …

G Langen, J Imani, B Altincicek, G Kieseritzky… - 2006 - degruyter.com
A cDNA encoding gallerimycin, a novel antifungal peptide from the greater wax moth
Galleria mellonella, was isolated from a cDNA library of genes expressed during innate …

Experimental conversion of a defensin into a neurotoxin: implications for origin of toxic function

S Zhu, S Peigneur, B Gao, Y Umetsu… - … biology and evolution, 2014 - academic.oup.com
Scorpion K+ channel toxins and insect defensins share a conserved three-dimensional
structure and related biological activities (defense against competitors or invasive microbes …