Unraveling Riboflavin-Mediated Mitochondrial Modulation as a Therapeutic Pathway in Neurological Disorders: An Integrative Systematic Review
Abstract
Mitochondrial dysfunction is recognized as a key pathophysiological mechanism in neurodegenerative diseases. Alterations in mitochondrial dynamics-including imbalances in fission and fusion, impaired biogenesis, and disrupted mitophagy-contribute to the onset and progression of neurological disorders. In this context, mitochondrial modulation has emerged as a promising therapeutic strategy. This systematic review examined the role of riboflavin, a water-soluble vitamin and essential mitochondrial cofactor, in neurological interventions through mitochondrial modulation, with emphasis on elucidating the underlying molecular mechanisms. A search of the PubMed, Embase, Scopus, and Web of Science databases identified 23 eligible studies, comprising 6 in vitro experiments, 10 rodent models, and 7 clinical trials. These studies evaluated the effects of riboflavin in monogenic, neurodegenerative, and demyelinating mitochondrial diseases, cerebrovascular/hypoxic injury, and pain/migraine. Clinical evidence indicated that riboflavin may regulate oxidative stress in stroke and perinatal asphyxia, with associated functional improvements. Preclinical findings revealed mechanisms of action involving energy homeostasis, cell cycle regulation, and mitochondrial dynamics across monogenic mitochondrial disorders, neurodegenerative diseases, hypoxic injury, and models of pain and migraine. Possibly through mitochondrial modulation, riboflavin appeared to reduce α-synuclein aggregation in…
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