ArticleThe journal of headache and pain2024
Brain-wide mapping of c-Fos expression in nitroglycerin-induced models of migraine.
Article in The journal of headache and pain, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Hierarchical Studies in TRAP2 Mice Demonstrate that Neuronal Activation and Mitochondrial Networks Integration Constitute the Key Mechanism Underlying Painful Syncope.Neuroscience bulletin · 2026Article
- Cochlear Functional Changes and CGRP Modulation in a Chronic Nitroglycerin Migraine-Like Rat Model.The European journal of neuroscience · 2026Article
- Migraine and auditory dysfunction: beyond comorbidity.Journal of neurology · 2026Review
- Medial prefrontal cortex-targeted low-intensity focused ultrasound alleviates migraine-related allodynia and affective symptoms via modulating glutamate/GABA balance in mice.The journal of headache and pain · 2026Article
- Posterior insular cortex hyperactivation drives vestibular migraine and comorbid anxiety.The journal of headache and pain · 2026Article
- The pPVTThe journal of headache and pain · 2026Article
- Distinct and Shared Brain-Wide Activation Patterns in Mouse Models of Inflammatory and Neuropathic Pain.Journal of pain research · 2026Article
- Recent progress in chronic pain-related negative emotions and cognitive dysfunction: insights into the mechanisms underlying neural circuitry.Frontiers in cellular neuroscience · 2026Review
- New Insight into Bone Immunity in Marrow Cavity and Cancellous Bone Microenvironments and Their Regulation.Biomedicines · 2025Review
- CREB-KIF1A-CGRP-positive feedback loop drives central sensitization in chronic migraine.The journal of headache and pain · 2025Article
- [Huoxue Shufeng Granule alleviates central sensitization in chronic migraine mice via TLR4/NF-κB inflammatory pathway].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2025Article
- Induction of more severe central sensitization in a medication overuse headache model mice through active ingestion of rizatriptan.The journal of headache and pain · 2025Article
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Authors and funding
13 authors.
Funding
Abstract
backgroundMigraine is a neurological disorder characterized by complex, widespread, and sudden attacks with an unclear pathogenesis, particularly in chronic migraine (CM). Specific brain regions, including the insula, amygdala, thalamus, and cingulate, medial prefrontal, and anterior cingulate cortex, are commonly activated by pain stimuli in patients with CM and animal models. This study employs fluorescence microscopy optical sectioning tomography (fMOST) technology and AAV-PHP.eB whole-brain expression to map activation patterns of brain regions in CM mice, thus enhancing the understanding of CM pathogenesis and suggesting potential treatment targets.
methodsBy repeatedly administering nitroglycerin (NTG) to induce migraine-like pain in mice, a chronic migraine model (CMM) was established. Olcegepant (OLC) was then used as treatment and its effects on mechanical pain hypersensitivity and brain region activation were observed. All mice underwent mechanical withdrawal threshold, light-aversive, and elevated plus maze tests. Viral injections were administered to the mice one month prior to modelling, and brain samples were collected 2 h after the final NTG/vehicle control injection for whole-brain imaging using fMOST.
resultsIn the NTG-induced CMM, mechanical pain threshold decreased, photophobia, and anxiety-like behavior were observed, and OLC was found to improve these manifestations. fMOST whole-brain imaging results suggest that the isocortex-cerebral cortex plate region, including somatomotor areas (MO), somatosensory areas (SS), and main olfactory bulb (MOB), appears to be the most sensitive area of activation in CM (P < 0.05). Other brain regions such as the inferior colliculus (IC) and intermediate reticular nucleus (IRN) were also exhibited significant activation (P < 0.05). The improvement in migraine-like symptoms observed with OLC treatment may be related to its effects on these brain regions, particularly SS, MO, ansiform lobule (AN), IC, spinal nucleus of the trigeminal, caudal part (Sp5c), IRN, and parvicellular reticular nucleus (PARN) (P < 0.05).
conclusionsfMOST whole-brain imaging reveals c-Fos + cells in numerous brain regions. OLC improves migraine-like symptoms by modulating brain activity in some brain regions. This study demonstrates the activation of the specific brain areas in NTG-induced CMM and suggests some regions as a potential treatment mechanism according to OLC.
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