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The mechanism roadmap of nitroglycerin-induced migraine rats. NO, nitric oxide; SP, substance P; CGRP, calcitonin gene-related peptide; PKC, protein kinase C; cGMP, cyclic guanosine monophosphate; PKG, protein kinase G; s-GC, Soluble guanylyl cyclase; GS, (RefSeq) G protein subunit alpha L; CREB, cyclic adenosine monophosphate response element binding factor.
