Abstract：
:Damage to the vestibular sense organs evokes static and dynamic deficits in the eye movements, posture and vegetative functions. After 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 inputs. As 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 lesion. Our 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 rat. 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 assembly. After a transitory decrease, the brevican expression restored to the control level parallel to the partial restoration of impaired vestibular function. The bilateral changing in the brevican expression supports the involvement of commissural vestibular fibers in the vestibular compensation. All 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 No. HB/06/ÉLB/2270-10/2017; approved on June 6, 2017).
journal_name
Neural Regen Resjournal_title
Neural regeneration researchauthors
Magyar A,Racz E,Matesz C,Wolf E,Kiss P,Gaal Bdoi
10.4103/1673-5374.320988keywords:
["brainstem","brevican","chondroitin sulfate proteoglycan","extracellular matrix","labyrinth lesion","neural plasticity","perineuronal net","perisynaptic matrix","vestibular compensation","vestibular system \n"]subject
Has Abstractpub_date
2022-03-01 00:00:00pages
649-654issue
3eissn
1673-5374issn
1876-7958pii
NeuralRegenRes_2022_17_3_649_320988journal_volume
17pub_type
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