Search Results - "Castro Júnior, Célio José de"
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Ion Channels-related Neuroprotection and Analgesia Mediated by Spider Venom Peptides
Published in Current protein & peptide science (01-01-2023)“…Ion channels play critical roles in generating and propagating action potentials and in neurotransmitter release at a subset of excitatory and inhibitory…”
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Analgesic effects of Phα1β toxin: a review of mechanisms of action involving pain pathways
Published in The journal of venomous animals and toxins including tropical diseases (2021)“…Phα1β is a neurotoxin purified from spider venom that acts as a high-voltage-activated (HVA) calcium channel blocker. This spider peptide has shown a high…”
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Mechanisms involved in the nociception triggered by the venom of the armed spider Phoneutria nigriventer
Published in PLoS neglected tropical diseases (01-04-2013)“…The frequency of accidental spider bites in Brazil is growing, and poisoning due to bites from the spider genus Phoneutria nigriventer is the second most…”
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Analgesic and side effects of intravenous recombinant Phα1β
Published in The journal of venomous animals and toxins including tropical diseases (17-04-2020)“…Intrathecal injection of voltage-sensitive calcium channel blocker peptide toxins exerts analgesic effect in several animal models of pain. Upon intrathecal…”
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Critical Pronociceptive Role of Family 2 Voltage-Gated Calcium Channels in a Novel Mouse Model of HIV-Associated Sensory Neuropathy
Published in Molecular neurobiology (01-05-2023)“…Some people living with HIV present painful sensory neuropathy (HIV-SN) that is pharmacoresistant, sex-associated, and a major source of morbidity. Since the…”
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The Effect of Spider Toxin PhTx3-4, ω-Conotoxins MVIIA and MVIIC on Glutamate Uptake and on Capsaicin-Induced Glutamate Release and [Ca2+]i in Spinal cord Synaptosomes
Published in Cellular and molecular neurobiology (01-03-2011)“…In spinal cord synaptosomes, the spider toxin PhTx3-4 inhibited capsaicin-stimulated release of glutamate in both calcium-dependent and -independent manners…”
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PnPP-15, a Synthetic Peptide Derived from a Toxin from Phoneutria nigriventer Spider Venom, Alleviates Diabetic Neuropathic Pain and Acts Synergistically with Pregabalin in Mice
Published in Toxins (07-09-2023)“…Diabetic neuropathic pain is one of the complications that affect a wide variety of the diabetic population and is often difficult to treat. Only a small…”
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PnPP-15, a Synthetic Peptide Derived from a Toxin from IPhoneutria nigriventer/I Spider Venom, Alleviates Diabetic Neuropathic Pain and Acts Synergistically with Pregabalin in Mice
Published in Toxins (01-09-2023)“…Diabetic neuropathic pain is one of the complications that affect a wide variety of the diabetic population and is often difficult to treat. Only a small…”
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Effects of intravenous administration of recombinant Phα1β toxin in a mouse model of fibromyalgia
Published in Toxicon (Oxford) (01-05-2021)“…This study investigated the effects of intravenous (iv) administration of recombinant Phα1β toxin, pregabalin, and diclofenac by the intrathecal route using an…”
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The inhibitory effect of Phα1β toxin on diabetic neuropathic pain involves the CXCR4 chemokine receptor
Published in Pharmacological reports (01-02-2020)“…Diabetic neuropathy is a common cause of painful diabetic neuropathy (PDN). C-X-C chemokine receptor type 4 (CXCR4) expression is increased in peripheral nerve…”
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The spider toxin Phα1β recombinant possesses strong analgesic activity
Published in Toxicon (Oxford) (01-07-2017)“…The native Phα1β – a Voltage-Gated Calcium Channel (VGCC) blocker – and its Recombinant Version – were both tested in rodent pain models with an intraplantar…”
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Pharmacological Interaction Between Cannabidiol and Tramadol on Experimental Diabetic Neuropathic Pain: An Isobolographic Analysis
Published in Cannabis and cannabinoid research (01-06-2024)“…Diabetic neuropathies are the most prevalent chronic complications of diabetes, characterized by pain and substantial morbidity. Although many drugs have been…”
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Antinociceptive interaction in mice undergoing combined administration of Phα1β and morphine in a mice cancer pain model
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Spider peptide Phα1β induces analgesic effect in a model of cancer pain
Published in Cancer science (01-09-2013)“…The marine snail peptide ziconotide (ω‐conotoxin MVIIA) is used as an analgesic in cancer patients refractory to opioids, but may induce severe adverse…”
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Phoneutria spider toxins block ischemia-induced glutamate release, neuronal death, and loss of neurotransmission in hippocampus
Published in Hippocampus (01-11-2009)“…The aim of this study was to investigate the effect of spider toxins on brain injury induced by oxygen deprivation and low glucose (ODLG) insult on slices of…”
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PhTx3-4, a Spider Toxin Calcium Channel Blocker, Reduces NMDA-Induced Injury of the Retina
Published in Toxins (11-03-2016)“…The in vivo neuroprotective effect of PhTx3-4, a spider toxin N-P/Q calcium channel blocker, was studied in a rat model of NMDA-induced injury of the retina…”
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Tx3-4 a toxin from the venom of spider Phoneutria nigriventer blocks calcium channels associated with exocytosis
Published in Neuroscience letters (11-07-2008)“…The purpose of the present work was to investigate the pharmacological action of a calcium channel-blocking toxin from the venom of the spider Phonetic…”
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The effect of spider toxin PhTx3-4, ω-conotoxins MVIIA and MVIIC on glutamate uptake and on capsaicin-induced glutamate release and Ca2+i in spinal cord synaptosomes
Published in Cellular and molecular neurobiology (01-03-2011)“…In spinal cord synaptosomes, the spider toxin PhTx3-4 inhibited capsaicin-stimulated release of glutamate in both calcium-dependent and -independent manners…”
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