ArticleJournal of neurology2025
BDNF levels in serum and CSF are associated with clinicoradiological characteristics of aggressive disease in MS patients.
Article in Journal of neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- From Synaptic Plasticity to Neurodegeneration: BDNF as a Transformative Target in Medicine.International journal of molecular sciences · 2025Review
- Hypoxic Neuroinflammation in the Pathogenesis of Multiple Sclerosis.Brain sciences · 2025Review
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13 authors.
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Abstract
backgroundBDNF has increasingly gained attention as a key molecule controlling remyelination with a prominent role in neuroplasticity and neuroprotection. Still, it remains unclear how BDNF relates to clinicoradiological characteristics particularly at the early stage of the disease where precise prognosis for the further MS course is crucial.
methodsBDNF, NfL and GFAP concentrations in serum and CSF were assessed in 106 treatment naïve patients with MS (pwMS) as well as 73 patients with other inflammatory/non-inflammatory neurological or somatoform disorders using a single molecule array HD-1 analyser. PwMS were evaluated for highly active profiles by applying the aggressive disease course criteria proposed by ECTRIMS. Serum/CSF values were logarithmically transformed and compared across groups using one-way ANOVA, while correlations were calculated using Pearson's correlations. ROC analysis and AUC comparisons for diagnostic performance of the three biomarkers were computed in an explorative analysis.
resultsSerum BDNF (sBDNF) concentrations were higher in treatment naïve pwMS with disease onset after the age of 40 years (p = 0.029), in pwMS with ≥2 gadolinium-enhancing lesions (p = 0.009) and with motor, cerebellar, cognitive or sphincter symptoms at onset (p = 0.036). BDNF correlated positively with NfL (r = 0.198, p = 0.014) and GFAP (r = 0.253, p = 0.002) in serum, but not in CSF. Neurological patients with an acute inflammatory relapse showed significantly higher sBDNF levels (p = 0.03) compared to somatoform controls, while patients without acute relapse did not differ from somatoform controls (p = 0.4). Better diagnostic performance was found for sBDNF than sNfL and sGFAP in differentiating between patients with vs. without 2 or more gadolinium-enhancing lesions (p < 0.05) and for sBDNF as compared to sNfL for separating patients with disease onset after vs. before age of 40 years.
conclusionIn pwMS, BDNF serum levels differ depending on disease-related characteristics, suggesting that not only inflammatory activity but also remyelination capacities may vary with disease severity. BDNF is increased when other biomarkers of neuroaxonal damage and neurodegeneration, such as NfL and GFAP, are elevated, possibly as a compensatory mechanism, and reflect possibly further pathophysiological aspects in MS beyond NfL and GFAP, probably including an apoptotic role for BDNF in neuroinflammation.
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