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Neurol. Int., Volume 17, Issue 8 (August 2025) – 1 article

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Brief Report
Elevated Urinary Titin in Adult Spinal Muscular Atrophy: A Multicenter, Cross-Sectional Observational Study
by Andrea Sipos, Emese Rebeka Ripszám, Judit Mária Molnár, Zoltán Grosz, Judit Boczán, Melinda Borbála Altorjay, Livia Dézsi, Anett Csáti, Kristóf Babarczy, Norbert Kovács, Nándor Hajdú and Endre Pál
Neurol. Int. 2025, 17(8), 114; https://doi.org/10.3390/neurolint17080114 - 22 Jul 2025
Abstract
Background: Spinal muscular atrophy (SMA) is a treatable motor neuron disease. Biomarkers for skeletal muscle atrophy are extremely important for measuring the effects of treatment and monitoring the natural course of the disease. The urinary titin N fragment (UNT) has recently been proven [...] Read more.
Background: Spinal muscular atrophy (SMA) is a treatable motor neuron disease. Biomarkers for skeletal muscle atrophy are extremely important for measuring the effects of treatment and monitoring the natural course of the disease. The urinary titin N fragment (UNT) has recently been proven to be related to muscle damage. Methods: The UNT was measured in 41 patients with SMA and 41 healthy controls. Clinical data, functional tests, and laboratory findings were also recorded. Results: We found significantly higher UNT levels in the patient samples than in the healthy subjects. The UNT was not related to disease type, functional test results, or serum creatine kinase levels. Conclusions: This cross-sectional study highlights the importance of the UNT as a potential noninvasive biomarker for spinal muscular atrophy. Its role can potentially be verified through longitudinal studies. Full article
(This article belongs to the Special Issue Biomarker Research in Neuromuscular Diseases)
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