Semi-Automated Recording of Facial Sensitivity in Rat Demonstrates Antinociceptive Effects of the Anti-CGRP Antibody Fremanezumab

Migraine pain is frequently accompanied by cranial hyperalgesia and allodynia. Calcitonin gene-related peptide (CGRP) is implicated in migraine pathophysiology but its role in facial hypersensitivity is not entirely clear. In this study, we investigated if the anti-CGRP monoclonal antibody fremanezu...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerzők: Benedicter Nicola
Messlinger Karl
Vogler Birgit
Mackenzie Kimberly D.
Stratton Jennifer
Friedrich Nadine
Dux Mária
Dokumentumtípus: Cikk
Megjelent: 2023
Sorozat:NEUROLOGY INTERNATIONAL 15 No. 2
Tárgyszavak:
doi:10.3390/neurolint15020039

mtmt:33916944
Online Access:http://publicatio.bibl.u-szeged.hu/28414
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520 3 |a Migraine pain is frequently accompanied by cranial hyperalgesia and allodynia. Calcitonin gene-related peptide (CGRP) is implicated in migraine pathophysiology but its role in facial hypersensitivity is not entirely clear. In this study, we investigated if the anti-CGRP monoclonal antibody fremanezumab, which is therapeutically used in chronic and episodic migraines, can modify facial sensitivity recorded by a semi-automatic system. Rats of both sexes primed to drink from a sweet source had to pass a noxious mechanical or heat barrier to reach the source. Under these experimental conditions, animals of all groups tended to drink longer and more when they had received a subcutaneous injection of 30 mg/kg fremanezumab compared to control animals injected with an isotype control antibody 12–13 days prior to testing, but this was significant only for females. In conclusion, anti-CGRP antibody, fremanezumab, reduces facial sensitivity to noxious mechanical and thermal stimulation for more than one week, especially in female rats. Anti-CGRP antibodies may reduce not only headache but also cranial sensitivity in migraineurs. 
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700 0 1 |a Vogler Birgit  |e aut 
700 0 1 |a Mackenzie Kimberly D.  |e aut 
700 0 1 |a Stratton Jennifer  |e aut 
700 0 1 |a Friedrich Nadine  |e aut 
700 0 1 |a Dux Mária  |e aut 
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