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Exploring biomarker...
Exploring biomarkers in trigeminal neuralgia patients operated with microvascular decompression: A comparison with multiple sclerosis patients and non-neurological controls
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- Lafta, Muataz S (author)
- Uppsala universitet,Funktionell farmakologi och neurovetenskap,Uppsala Univ, Sweden
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- Sokolov, Aleksandr V. (author)
- Uppsala universitet,Funktionell farmakologi och neurovetenskap,Uppsala Univ, Sweden
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- Landtblom, Anne-Marie (author)
- Linköpings universitet,Avdelningen för neurobiologi,Medicinska fakulteten,Uppsala Univ, Sweden
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- Ericson, Hans (author)
- Uppsala Univ, Sweden
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- Schiöth, Helgi B. (author)
- Uppsala universitet,Schiöth: Funktionell farmakologi,Uppsala Univ, Sweden
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- Abu Hamdeh, Sami (author)
- Uppsala Univ, Sweden; Uppsala Univ Hosp, Sweden
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: European Journal of Pain. - : WILEY. - 1090-3801 .- 1532-2149.
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- BackgroundTrigeminal neuralgia (TN) is a severe facial pain condition often associated with a neurovascular conflict. However, neuroinflammation has also been implicated in TN, as it frequently co-occurs with multiple sclerosis (MS).MethodsWe analysed protein expression levels of TN patients compared to MS patients and controls. Proximity Extension Assay technology was used to analyse the levels of 92 proteins with the Multiplex Neuro-Exploratory panel provided by SciLifeLab, Uppsala, Sweden. Serum and CSF samples were collected from TN patients before (n = 33 and n = 27, respectively) and after (n = 28 and n = 8, respectively) microvascular decompression surgery. Additionally, we included samples from MS patients (n = 20) and controls (n = 20) for comparison.ResultsIn both serum and CSF, several proteins were found increased in TN patients compared to either MS patients, controls, or both, including EIF4B, PTPN1, EREG, TBCB, PMVK, FKBP5, CD63, CRADD, BST2, CD302, CRIP2, CCL27, PPP3R1, WWP2, KLB, PLA2G10, TDGF1, SMOC1, RBKS, LTBP3, CLSTN1, NXPH1, SFRP1, HMOX2, and GGT5. The overall expression of the 92 proteins in postoperative TN samples seems to shift towards the levels of MS patients and controls in both serum and CSF, as compared to preoperative samples. Interestingly, there was no difference in protein levels between MS patients and controls.ConclusionsWe conclude that TN patients showed increased serum and CSF levels of specific proteins and that successful surgery normalizes these protein levels, highlighting its potential as an effective treatment. However, the similarity between MS and controls challenges the idea of shared pathophysiology with TN, suggesting distinct underlying mechanisms in these conditions.SignificanceThis study advances our understanding of trigeminal neuralgia (TN) and its association with multiple sclerosis (MS). By analysing 92 protein biomarkers, we identified distinctive molecular profiles in TN patients, shedding light on potential pathophysiological mechanisms. The observation that successful surgery normalizes many protein levels suggests a promising avenue for TN treatment. Furthermore, the contrasting protein patterns between TN and MS challenge prevailing assumptions of similarity between the two conditions and point to distinct pathophysiological mechanisms.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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