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Lesion-induced changes of brevican expression in the perineuronal net of the superior vestibular nucleus

Neural Regeneration Research 2022年第3期17卷 649-654页

作者： Agnes Magyar eva racz Clara Matesz Ervin Wolf Peter Kiss Botond Gaal Pediatrics Clinic Faculty of MedicineUniversity of DebrecenDebrecenHungary Department of Anatomy Histology and EmbryologyFaculty of MedicineUniversity of DebrecenDebrecenHungary Division of Oral Anatomy Faculty of DentistryUniversity of DebrecenDebrecenHungary MTA-DE Neuroscience Research Group DebrecenHungary

Damage to the vestibular sense organs evokes static and dynamic deficits in the eye movements,posture and vegetative *** a shorter or longer period of time,the vestibular function is partially or completely restored via a series of processes such as modification in the efficacy of synaptic *** the plasticity of adult central nervous system is associated with the alteration of extracellular matrix,including its condensed form,the perineuronal net,we studied the changes of brevican expression in the perineuronal nets of the superior vestibular nucleus after unilateral labyrinth *** results demonstrated that the unilateral labyrinth lesion and subsequent compensation are accompanied by the changing of brevican staining pattern in the perineuronal nets of superior vestibular nucleus of the *** reduction of brevican in the perineuronal nets of superior vestibular nucleus may contribute to the vestibular plasticity by suspending the non-permissive role of brevican in the restoration of perineuronal net *** a transitory decrease,the brevican expression restored to the control level parallel to the partial restoration of impaired vestibular *** bilateral changing in the brevican expression supports the involvement of commissural vestibular fibers in the vestibular *** experimental procedures were approved by the 'University of Debrecen–Committee of Animal Welfare'(approval No.6/2017/DEMAB) and the 'Scientific Ethics Committee of Animal Experimentation'(approval ***/06/éLB/2270-10/2017;approved on June 6,2017).

关键词： brainstem brevican chondroitin sulfate proteoglycan extracellular matrix labyrinth lesion neural plasticity perineuronal net perisynaptic matrix vestibular compensation vestibular system

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