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A neurodegenerative disease belonging to the inherited cerebellar ataxias mainly characterized by progressive spino-cerebellar ataxia, loss of proprioception, areflexia, and is associated with a marked deficiency in vitamin E.
CSF alpha-tocopherol levels directly reflect brain vitamin E status while 8-isoprostane indicates lipid peroxidation activity. The ratio provides real-time assessment of therapeutic efficacy and can guide personalized dosing of vitamin E supplementation
Alpha-lipoic acid acts as cofactor for pyruvate dehydrogenase complex while MCTs provide alternative fuel via ketone body metabolism, bypassing vitamin E-dependent mitochondrial dysfunction in cerebellar neurons through enhanced SIRT3-mediated mitochondrial biogenesis
Edaravone scavenges hydroxyl radicals and inhibits 4-hydroxynonenal formation, breaking the lipid peroxidation cascade that occurs due to vitamin E deficiency, while upregulating NRF2-mediated antioxidant response in cerebellar Purkinje cells
Ginkgolides and bilobalide from Ginkgo biloba may upregulate TTPA gene expression through PPAR-gamma activation and enhance alpha-tocopherol transfer protein stability via heat shock protein 90 (HSP90) chaperone activity, improving vitamin E bioavailability in cerebellar Purkinje cells
Selenoprotein P and glutathione peroxidase 4 work synergistically with vitamin E to prevent ferroptosis. Engineered nanoparticles co-deliver selenomethionine and alpha-tocopherol specifically to cerebellar tissue via transferrin receptor targeting
Bacosides A and B from Bacopa monnieri enhance BDNF expression through CREB phosphorylation and promote cerebellar granule cell survival via PI3K/Akt pathway activation, compensating for vitamin E deficiency-induced oxidative damage to neural circuits
Rehmannia glutinosa and Cornus officinalis components strengthen tight junction proteins claudin-5 and occludin through TGF-beta signaling modulation, improving vitamin E delivery across compromised blood-brain barrier in AVED patients