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MERTK in the rat tr...
MERTK in the rat trigeminal system : a potential novel target for cluster headache?
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- Edvinsson, Jacob C.A. (författare)
- Lund University,Lunds universitet,Experimentell kärlforskning,Forskargrupper vid Lunds universitet,Experimental Vascular Research,Lund University Research Groups
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- Ran, Caroline (författare)
- Karolinska Institute
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- Olofsgård, Felicia Jennysdotter (författare)
- Karolinska Institute
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- Steinberg, Anna (författare)
- Karolinska Institute,Karolinska University Hospital
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- Edvinsson, Lars (författare)
- Lund University,Lunds universitet,Medicin/akutsjukvård, Lund,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Experimentell kärlforskning,Forskargrupper vid Lunds universitet,LTH profilområde: Avancerade ljuskällor,LTH profilområden,Lunds Tekniska Högskola,LU profilområde: Ljus och material,Lunds universitets profilområden,Medicine, Lund,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Experimental Vascular Research,Lund University Research Groups,LTH Profile Area: Photon Science and Technology,LTH Profile areas,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas
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- Belin, Andrea Carmine (författare)
- Karolinska Institutet,Karolinska Institute
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: Journal of Headache and Pain. - 1129-2369 .- 1129-2377. ; 25:1
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- The trigeminal system is key to the pathophysiology of migraine and cluster headache, two primary headache disorders that share many features. Recently, MER proto-oncogene tyrosine kinase (MERTK), a cell surface receptor, was strongly associated with cluster headache through genetic studies. Further, the MERTK ligand galectin-3 has been found to be elevated in serum of migraine patients. In this study, MERTK and MERTK ligands were investigated in key tissue to better understand their potential implication in the pathophysiology of primary headache disorders. Immunohistochemistry was used to map MERTK and galectin-3 expression in rat trigeminal ganglia. RT-qPCR was used to assess MERTK gene expression in blood, and ELISA immunoassays were used for MERTK ligand quantification in serum from study participants with and without cluster headache. MERTK gene expression was elevated in blood samples from study participants with cluster headache compared to controls. In addition, MERTK ligand galectin-3 was found at increased concentration in the serum of study participants with cluster headache, whereas the levels of MERTK ligands growth arrest specific 6 and protein S unaffected. MERTK and galectin-3 were both expressed in rat trigeminal ganglia. Galectin-3 was primarily localized in smaller neurons and to a lesser extent in C-fibres, while MERTK was found in satellite glia cells and in the outer membrane of Schwann cells. Interestingly, a strong MERTK signal was found specifically in the region proximal to the nodes of Ranvier. The overexpression of MERTK and galectin-3 in tissue from study participants with cluster headache, as well as the presence of MERTK in rat peripheral satellite glia cells and Schwann cells in the trigeminal ganglia, further highlights MERTK signalling as an interesting potential future therapeutic target in primary headache. Graphical Abstract: (Figure presented.)
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Nyckelord
- Galectin-3
- GWAS
- MER proto-oncogene tyrosine kinase
- Migraine
- Trigeminal system
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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