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Research Article: Peptides whose levels change during the attack period in episodic migraine: NETRIN-1 and amylin

Date Published: 2026-09-03

Abstract:
The role of neuroinflammation in the pathophysiology of migraine is becoming increasingly important. The aim of this study was to evaluate serum netrin-1 and amylin levels in patients with episodic migraine. The study included 60 patients diagnosed with episodic migraine and 30 healthy controls. Patients were evaluated during an ictal ( n =?25) or interictal ( n =?35) period. They were further categorized based on the presence of aura (migraine with aura, n =?25; migraine without aura, n =?35). Serum netrin-1 levels were markedly lower in the migraine group compared to the control group (492.7 ±?638.0 pg/mL vs. 744.8 ±?754.7 pg./mL, p =?0.038). Although amylin levels were also lower in migraine patients (324.9 ±?451.7 ng/mL vs. 453.7 ±?490.2 ng/mL), this difference did not reach statistical significance ( p =?0.141). No significant differences in netrin-1 and amylin levels were observed between patients with and without aura, nor between ictal and interictal periods. In the ROC analysis, netrin-1 levels demonstrated significant diagnostic performance in distinguishing migraine patients from controls (AUC?=?0.635; 95% CI: 0.512–0.758; p =?0.031). The ROC analysis for amylin was not significant (AUC?=?0.596, p =?0.133), and the combined model yielded an AUC of 0.636 ( p =?0.036). Serum netrin-1 levels were markedly lower in patients with episodic migraine compared with healthy controls, while amylin levels also showed a decreasing trend. Further large-scale studies are needed to elucidate the clinical significance and pathophysiological roles of these biomarkers in migraine.

Introduction:
Migraine is a common neurological disorder affecting one in four women and one in ten men, with a total prevalence of 15.1% of the global population. Considering the young population affected by migraine and this population’s contribution to the economy, migraine holds an important place among neurological disorders due to its negative impact on the workforce during periods of headache. In most cases, migraine attacks are infrequent; however, some individuals experience a progressive increase in attack frequency…

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