• Cephalalgia · Oct 2020

    Serum levels of allopregnanolone, progesterone and testosterone in menstrually-related and postmenopausal migraine: A cross-sectional study.

    • Cecilia Rustichelli, Elisa Bellei, Stefania Bergamini, Emanuela Monari, Carlo Baraldi, CastroFlavia LoFLSchool of Pharmacology and Clinical Toxicology, 9306University of Modena and Reggio Emilia, Modena, Italy., Aldo Tomasi, and Anna Ferrari.
    • Department of Life Sciences, 9306University of Modena and Reggio Emilia, Modena, Italy.
    • Cephalalgia. 2020 Oct 1; 40 (12): 1355-1362.

    BackgroundReduced blood or cerebrospinal fluid levels of allopregnanolone are involved in menstrual cycle-linked CNS disorders, such as catamenial epilepsy. This condition, like menstrually-related migraine, is characterized by severe, treatment-resistant attacks. We explored whether there were differences in allopregnanolone, progesterone and testosterone serum levels between women with menstrually-related migraine (MM, n = 30) or postmenopausal migraine without aura who had suffered from menstrually-related migraine during their fertile age (PM, n = 30) and non-headache control women in fertile age (FAC, n = 30) or post-menopause (PC, n = 30).MethodsParticipants were women with migraine afferent to a headache centre; controls were female patients' acquaintances. Serum samples obtained were analyzed by HPLC-ESI-MS/MS.ResultsIn menstrually-related migraine and postmenopausal migraine groups, allopregnanolone levels were lower than in the respective control groups (fertile age and post-menopause) (p < 0.001, one-way analysis of variance followed by Tukey-Kramer post-hoc comparison test) while progesterone and testosterone levels were similar. By grouping together patients with migraine, allopregnanolone levels were inversely correlated with the number of years and days of migraine/3 months (p ≤ 0.005, linear regression analysis).ConclusionDecreased GABAergic inhibition, due to low allopregnanolone serum levels, could contribute to menstrually-related migraine and persistence of migraine after menopause. For the management of these disorders, a rise in the GABAergic transmission by increasing inhibitory neurosteroids might represent a novel strategy.

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