Z. Dekan

Publications40
h-index14
Citations843
Highly Influential Citations32
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Selective spider toxins reveal a role for Nav1.1 channel in mechanical pain
Voltage-gated sodium (Nav) channels initiate action potentials in most neurons, including primary afferent nerve fibres of the pain pathway. Local anaesthetics block pain through non-specific actions… Expand
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Pharmacological characterisation of the highly NaV1.7 selective spider venom peptide Pn3a
Human genetic studies have implicated the voltage-gated sodium channel NaV1.7 as a therapeutic target for the treatment of pain. A novel peptide, μ-theraphotoxin-Pn3a, isolated from venom of the… Expand
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Analgesic Effects of GpTx-1, PF-04856264 and CNV1014802 in a Mouse Model of NaV1.7-Mediated Pain
Loss-of-function mutations of NaV1.7 lead to congenital insensitivity to pain, a rare condition resulting in individuals who are otherwise normal except for the inability to sense pain, making… Expand
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α-Conotoxin ImI incorporating stable cystathionine bridges maintains full potency and identical three-dimensional structure.
The two disulfide bonds of α-conotoxin ImI, a peptide antagonist of the α7 nicotinic acetylcholine receptor (nAChR), were systematically replaced with isosteric redox-stable cystathionine thioethers.… Expand
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Isolation, characterization and total regioselective synthesis of the novel μO-conotoxin MfVIA from Conus magnificus that targets voltage-gated sodium channels.
The μO-conotoxins are notable for their unique selectivity for Na(v)1.8 over other sodium channel isoforms, making them attractive drug leads for the treatment of neuropathic pain. We describe the… Expand
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A Tarantula-Venom Peptide Antagonizes the TRPA1 Nociceptor Ion Channel by Binding to the S1–S4 Gating Domain
BACKGROUND The venoms of predators have been an excellent source of diverse highly specific peptides targeting ion channels. Here we describe the first known peptide antagonist of the nociceptor ion… Expand
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Modulating oxytocin activity and plasma stability by disulfide bond engineering.
Disulfide bond engineering is an important approach to improve the metabolic half-life of cysteine-containing peptides. Eleven analogues of oxytocin were synthesized including disulfide bond… Expand
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Selenoether oxytocin analogues have analgesic properties in a mouse model of chronic abdominal pain.
Poor oral availability and susceptibility to reduction and protease degradation is a major hurdle in peptide drug development. However, drugable receptors in the gut present an attractive niche for… Expand
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Identification and Characterization of ProTx-III [μ-TRTX-Tp1a], a New Voltage-Gated Sodium Channel Inhibitor from Venom of the Tarantula Thrixopelma pruriens
Spider venoms are a rich source of ion channel modulators with therapeutic potential. Given the analgesic potential of subtype-selective inhibitors of voltage-gated sodium (NaV) channels, we screened… Expand
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Modulatory features of the novel spider toxin μ‐TRTX‐Df1a isolated from the venom of the spider Davus fasciatus
Naturally occurring dysfunction of voltage‐gated sodium (NaV) channels results in complex disorders such as chronic pain, making these channels an attractive target for new therapies. In the pursuit… Expand
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