Voltage-Gated Sodium Channel Modulation by a New Spider Toxin Ssp1a Isolated From an Australian Theraphosid [PDF]
Given the important role of voltage-gated sodium (NaV) channel-modulating spider toxins in elucidating the function, pharmacology, and mechanism of action of therapeutically relevant NaV channels, we screened the venom from Australian theraphosid species
Yashad Dongol+5 more
doaj +4 more sources
A Novel Spider Toxin Inhibits Fast Inactivation of the Nav1.9 Channel by Binding to Domain III and Domain IV Voltage Sensors [PDF]
Venomous animals have evolved to produce peptide toxins that modulate the activity of voltage-gated sodium (Nav) channels. These specific modulators are powerful probes for investigating the structural and functional features of Nav channels.
Shuijiao Peng+7 more
doaj +4 more sources
Molecular mechanism of the spider toxin κ-LhTx-I acting on the bacterial voltage-gated sodium channel NaChBac [PDF]
The bacterial sodium channel NaChBac is the prokaryotic prototype for the eukaryotic NaV and CaV channels, which could be used as a relatively simple model to study their structure–function relationships.
Zhen Xiao+9 more
doaj +4 more sources
Variation of Two S3b Residues in KV4.1–4.3 Channels Underlies Their Different Modulations by Spider Toxin κ-LhTx-1 [PDF]
The naturally occurred peptide toxins from animal venoms are valuable pharmacological tools in exploring the structure-function relationships of ion channels.
Zhen Xiao+7 more
doaj +4 more sources
The Peptide PnPP-19, a Spider Toxin Derivative, Activates μ-Opioid Receptors and Modulates Calcium Channels [PDF]
The synthetic peptide PnPP-19 comprehends 19 amino acid residues and it represents part of the primary structure of the toxin δ-CNTX-Pn1c (PnTx2-6), isolated from the venom of the spider Phoneutria nigriventer.
Ana C. N. Freitas+11 more
doaj +4 more sources
Structure-function and rational design of a spider toxin Ssp1a at human voltage-gated sodium channel subtypes [PDF]
The structure-function and optimization studies of NaV-inhibiting spider toxins have focused on developing selective inhibitors for peripheral pain-sensing NaV1.7.
Yashad Dongol+4 more
doaj +2 more sources
A Proteomics and Transcriptomics Investigation of the Venom from the Barychelid Spider Trittame loki (Brush-Foot Trapdoor) [PDF]
Although known for their potent venom and ability to prey upon both invertebrate and vertebrate species, the Barychelidae spider family has been entirely neglected by toxinologists. In striking contrast, the sister family Theraphosidae (commonly known as
Eivind A. B. Undheim+12 more
doaj +5 more sources
SVM-based prediction of propeptide cleavage sites in spider toxins identifies toxin innovation in an Australian tarantula. [PDF]
Spider neurotoxins are commonly used as pharmacological tools and are a popular source of novel compounds with therapeutic and agrochemical potential.
Emily S W Wong+4 more
doaj +3 more sources
In Silico-Based Design of a Hybrid Peptide with Antimicrobial Activity against Multidrug-Resistant Pseudomonas aeruginosa Using a Spider Toxin Peptide [PDF]
The escalating prevalence of antibiotic-resistant bacteria poses an immediate and grave threat to public health. Antimicrobial peptides (AMPs) have gained significant attention as a promising alternative to conventional antibiotics.
Min Kyoung Shin+8 more
doaj +2 more sources
Antibacterial and Anti-Inflammatory Effects of Novel Peptide Toxin from the Spider Pardosa astrigera [PDF]
The prevalence of antibiotic-resistant bacteria has become an immediate threat to public health. Antimicrobial peptides are attracting attention as a new source of antibiotics due to their ability to prevent drug-resistances with fewer side effects ...
Min Kyoung Shin+8 more
doaj +2 more sources