The Effects of Chronic Stress on Brain Myelination in Humans and in Various Rodent Models

Elena Antontseva, Natalia Bondar, Vasiliy Reshetnikov, Tatiana Merkulova

Результат исследования: Научные публикации в периодических изданияхобзорная статьярецензирование

Аннотация

The myelination of axons, which is performed in brain tissues by specialized glial cells (oligodendrocytes) is crucial for correct formation of the complicated neural circuitry necessary for normal cognition, sensation, and motor function. Myelin-related anomalies are seen in many neurodegenerative diseases and in psychiatric disorders, including major depressive disorder and post-traumatic stress disorder. Chronic stress involving chronic stress early in life is believed to be a major etiological factor of neuropsychiatric disorders. Although molecular and cellular mechanisms underlying stress-induced psychopathologies are actively investigated, there is still little data about the role that is played in the development of these pathologies by myelin and oligodendrocyte impairments caused by chronic stress. In this article, after brief review of published data on myelin abnormalities in stress-related psychiatric disorders, we focus on recent cellular and molecular discoveries in various rodent models including models of chronic unpredictable stress, social isolation stress, chronic social defeat stress, and chronic immobilization stress. We also attempt to compile and analyze currently scarce data on myelin-related impairments resulting from early postnatal stress.

Язык оригиналаанглийский
Страницы (с-по)226-238
Число страниц13
ЖурналNeuroscience
Том441
DOI
СостояниеОпубликовано - 10 авг 2020

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