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- W3208874236 abstract "Abstract The CTK 01512-2 toxin is a recombinant peptide of the Phα1β version derived from the venom of the Phoneutria nigriventer spider. It is an N-type voltage-gated calcium channel (VGCC) blocker showing a prolonged effect on the prevention and reduction of nociception. Herein, CTK 01512-2 toxin was tested in two models of persistent pain, the chronic post-ischemia pain (CPIP) and the peripheral neuropathy induced by paclitaxel, to evaluate its intrathecal, systemic, and intracerebroventricular effects on mechanical hypersensitivity and thermal allodynia. The astroglial cell viability using the MTT test was also investigated. The results showed that CTK 01512-2 intrathecal and systemic treatments reduced mechanical hypersensitivity induced by CPIP, mainly between 1 – 4 h after CTK 01512-2 administration. When the CTK 01512-2 intrathecal treatment was applied, it also reduced the thermal allodynia induced by CPIP. CTK 01512-2 intracerebroventricular treatment also showed mechanical antihyperalgesic and thermal antiallodynic effects in the peripheral neuropathy induced by paclitaxel, reinforcing CTK 01512-2 therapeutically potential to treat persistent pain conditions. CTK 01512-2 further altered the astroglial cell viability in the MTT reduction assay, which may indicate its effects on the mitochondrial activity of these cells, possibly as a compensatory mechanism on calcium signaling. The current study shows CTK 01512-2 antihyperalgesic effects in persistent pain models, helping to pave new perspectives of pain relief treatments to patients affected by peripheral neuropathy and chronic pain conditions." @default.
- W3208874236 created "2021-11-08" @default.
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- W3208874236 date "2021-10-27" @default.
- W3208874236 modified "2023-09-23" @default.
- W3208874236 title "The Antihyperalgesic Effects of the Calcium Channel Blocker CTK 01512-2 Toxin in Persistent Pain Models" @default.
- W3208874236 doi "https://doi.org/10.21203/rs.3.rs-1003924/v1" @default.
- W3208874236 hasPublicationYear "2021" @default.
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