2022
DOI: 10.3389/fneur.2022.871176
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Plasma Levels of CGRP During a 2-h Infusion of VIP in Healthy Volunteers and Patients With Migraine: An Exploratory Study

Abstract: IntroductionThe activation of perivascular fibers and the consequent release of vasoactive peptides, including the vasoactive intestinal polypeptide (VIP), play a role in migraine pathogenesis. A 2-h infusion of VIP provoked migraine, but the mechanisms remain unknown. We investigated whether 2-h infusion of VIP caused alterations in plasma levels of the calcitonin gene-related peptide (CGRP) and whether any changes might be related to the induced migraine attacks.Materials and MethodsWe enrolled individuals w… Show more

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Cited by 10 publications
(9 citation statements)
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“…Interestingly, a positive correlation between serum CGRP levels and pain intensity was also reported [ 41 ]. It must, however, be noted that other studies did not report any changes in CGRP levels among EM and CM patients [ 42 , 43 , 44 , 45 , 46 ].…”
Section: The Potential Circulating Biomarkers Described In Migraine P...mentioning
confidence: 82%
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“…Interestingly, a positive correlation between serum CGRP levels and pain intensity was also reported [ 41 ]. It must, however, be noted that other studies did not report any changes in CGRP levels among EM and CM patients [ 42 , 43 , 44 , 45 , 46 ].…”
Section: The Potential Circulating Biomarkers Described In Migraine P...mentioning
confidence: 82%
“…Changes in peripheral CGRP levels have also been found in animal migraine models based on the electrical stimulation of the superior sagittal sinus, trigeminal ganglion, or dura mater, in an animal model of intracisternal inflammatory soup and in mice with RAMP-1 deficiency [ 57 , 58 , 59 , 60 , 61 , 62 ]. By contrast, experimental human models (e.g., hypoxia and VIP infusion) did not report any significant change in CGRP blood plasma levels in migraine patients [ 46 , 63 ]. Finally, in both human and animal models, the increased CGRP levels were reduced by migraine treatments [ 55 , 56 , 60 , 64 ].…”
Section: The Potential Circulating Biomarkers Described In Migraine P...mentioning
confidence: 99%
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“…episodic migraine patients (10). Regarding (a), we used a mixedeffect model to evaluate any change in plasma VIP during PACAP and VIP days.…”
Section: Discussionmentioning
confidence: 99%
“…This has not been consistently reproducible. 50 While not completely reproducible, patients with chronic migraine have elevated CGRP between migraine attacks relative to patients with episodic migraine and individuals without migraine. 51,52 A decrease in CGRP levels has been observed after migraine episodes in patients who are treated with a triptan medication.…”
mentioning
confidence: 99%