TY - JOUR
T1 - Calcitonin gene-related peptide (CGRP) levels during glyceryl trinitrate (GTN)-induced headache in healthy volunteers
AU - Kruuse, Christina Rostrup
AU - Iversen, Helle Klingenberg
AU - Jansen-Olesen, I
AU - Edvinsson, L
AU - Olesen, Jes
PY - 2010
Y1 - 2010
N2 - Kruuse C, Iversen HK, Jansen-Olesen I, Edvinsson L & Olesen J. Calcitonin gene-related peptide (CGRP) levels during glyceryl trinitrate (GTN)-induced headache in healthy volunteers. Cephalalgia 2009. London. ISSN 0333-1024The role of nitric oxide (NO) in migraine has been studied in the experimental glyceryl trinitrate (GTN)-infusion headache model. We hypothesized that GTN-induced headache may activate the trigeminovascular system and be associated with increased levels of sensory neuropeptides, including calcitonin gene-related peptide (CGRP). CGRP, vasoactive intestinal peptide (VIP), neuropeptide Y (NPY) and somatostatin plasma levels were measured before and after placebo/sumatriptan injection and during GTN-induced headache. Following a double-blind randomized cross-over design, 10 healthy volunteers received subcutaneous sumatriptan 6 mg or placebo. This was succeeded by 20 min of GTN (0.12 microg kg(-1) min(-1)) infusion. At baseline no subject reported headache (using verbal rating scale from 0 to 10) and the jugular CGRP-like immunoreactivity (-LI) level was 18.6 +/- 2.5 pmol/l. After a 20-min intravenous infusion of GTN 0.12 microg kg(-1) min(-1), median peak headache intensity was 4 (range 2-6) (P < 0.05), while jugular CGRP-LI levels were unchanged (19.0 +/- 2.8 pmol/l; P > 0.05). There were no changes in VIP-, NPY- or somatostatin-LI. In conclusion, the NO donor GTN appears not to induce headache via immediate CGRP release.
AB - Kruuse C, Iversen HK, Jansen-Olesen I, Edvinsson L & Olesen J. Calcitonin gene-related peptide (CGRP) levels during glyceryl trinitrate (GTN)-induced headache in healthy volunteers. Cephalalgia 2009. London. ISSN 0333-1024The role of nitric oxide (NO) in migraine has been studied in the experimental glyceryl trinitrate (GTN)-infusion headache model. We hypothesized that GTN-induced headache may activate the trigeminovascular system and be associated with increased levels of sensory neuropeptides, including calcitonin gene-related peptide (CGRP). CGRP, vasoactive intestinal peptide (VIP), neuropeptide Y (NPY) and somatostatin plasma levels were measured before and after placebo/sumatriptan injection and during GTN-induced headache. Following a double-blind randomized cross-over design, 10 healthy volunteers received subcutaneous sumatriptan 6 mg or placebo. This was succeeded by 20 min of GTN (0.12 microg kg(-1) min(-1)) infusion. At baseline no subject reported headache (using verbal rating scale from 0 to 10) and the jugular CGRP-like immunoreactivity (-LI) level was 18.6 +/- 2.5 pmol/l. After a 20-min intravenous infusion of GTN 0.12 microg kg(-1) min(-1), median peak headache intensity was 4 (range 2-6) (P < 0.05), while jugular CGRP-LI levels were unchanged (19.0 +/- 2.8 pmol/l; P > 0.05). There were no changes in VIP-, NPY- or somatostatin-LI. In conclusion, the NO donor GTN appears not to induce headache via immediate CGRP release.
U2 - 10.1111/j.1468-2982.2009.01963.x
DO - 10.1111/j.1468-2982.2009.01963.x
M3 - Journal article
C2 - 19673898
SN - 1468-2982
VL - 30
SP - 467
EP - 474
JO - Cephalalgia : an international journal of headache
JF - Cephalalgia : an international journal of headache
IS - 4
ER -