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| Open AccessAstrocyte deletion of α2-Na/K ATPase triggers episodic motor paralysis in mice via a metabolic pathway
Mutations of α2-Na/K ATPase can cause familial hemiplegic migraine via unclear mechanisms. Here, the authors show that deletion of α2-Na/K ATPase in astrocytes results in gene expression and metabolic changes leading to cortical spreading depression and episodic transient motor paralysis in mice.
- Sarah E. Smith
- , Xiaoying Chen
- & Azad Bonni
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| Open AccessMaladaptive activation of Nav1.9 channels by nitric oxide causes triptan-induced medication overuse headache
The precise mechanisms that lead to medication-overuse headaches (MOH), which can occur with both over-the-counter and prescription pain-relief medicines, are still uncertain. In this study, authors show that the abnormal activation of dural nociceptor Nav1.9 channels by Nitric Oxide is responsible for triptan-induced MOH, causing hyperexcitability of dural nociceptors and headache.
- Caroline Bonnet
- , Jizhe Hao
- & Patrick Delmas