Involvement of adenosine signaling pathway in migraine pathophysiology: a systematic review of preclinical studies

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  • Janu Thuraiaiyah
  • Lili Kokoti
  • Mohammad Al-Mahdi Al-Karagholi
  • dlt446, dlt446

Background Adenosine is a purinergic signaling molecule with a wide range of physiological functions including anti- and pronociceptive properties. Adenosine receptors are expressed in the trigeminovascular system, and adenosine receptor antagonist, caffeine, relieves migraine headache. We performed a systematic review of the literature of preclinical data addressing the role of adenosine in migraine pathophysiology. Methods PubMed and EMBASE were searched for pre-clinical studies on the role of adenosine in migraine pathophysiology on September 5(th), 2021. Results A total of 2510 studies were screened by title and abstract. Of these, thirteen pre-clinical studies evaluating adenosine, adenosine A1, A2A and A3 receptors were included. These studies showed that adenosine signaling pathway is involved in controlling vascular tone. Furthermore, electrical stimulation of the trigeminal ganglion modulates the expression of adenosine A(1) and A(2A) receptors in the trigeminal ganglion and trigeminal nucleus caudalis implicating adenosine signaling pathway in pain transmission. Conclusion Preclinical studies showed that adenosine has a dual effect on vasodilation and trigeminal pain pathway due to different receptor activation, suggesting a possible role of adenosine in migraine pathophysiology. Studies investigating pharmacological characteristics of subtypes of adenosine receptors are needed to further elucidate their role as a potential target for migraine treatment.

OriginalsprogEngelsk
Artikelnummer43
TidsskriftJournal of Headache and Pain
Vol/bind23
Antal sider12
ISSN1129-2369
DOI
StatusUdgivet - 2022

ID: 344810916