Makale detayı · 2013
Spreading Depression Triggers Headache by Activating Neuronal Panx1 Channels
- Yıl
- 2013
- Tür
- article
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- YÖKSİS dergi adı Science
- Katalog eşleşmesi (ISSN) Science
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Özet
OpenAlex · İngilizce
The initial phase in the development of a migraine is still poorly understood. Here, we describe a previously unknown signaling pathway between stressed neurons and trigeminal afferents during cortical spreading depression (CSD), the putative cause of migraine aura and headache. CSD caused neuronal Pannexin1 (Panx1) megachannel opening and caspase-1 activation followed by high-mobility group box 1 (HMGB1) release from neurons and nuclear factor κB activation in astrocytes. Suppression of this cascade abolished CSD-induced trigeminovascular activation, dural mast cell degranulation, and headache. CSD-induced neuronal megachannel opening may promote sustained activation of trigeminal afferents via parenchymal inflammatory cascades reaching glia limitans. This pathway may function to alarm an organism with headache when neurons are stressed.
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Yerel katalogda bu makaleye atıf yapan 45 yayın (OpenAlex referans eşleşmesi; tam dünya listesi değildir).
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