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pubmed:abstractText |
Nitrovasodilators, such as glyceroltrinitrate (GTN), which produce nitric oxide (NO) in the organism, are known to cause delayed headaches in migraineurs, accompanied by increased plasma levels of calcitonin gene-related peptide (CGRP) in the cranial venous outflow. Increases in plasma CGRP and NO metabolites have also been found in spontaneous migraine attacks. In a rat model of meningeal nociception, infusion of NO donors induced activity of neurons in the spinal trigeminal nucleus.
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