Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Glial Populations in the Human Brain Following Ischemic Injury

Version 1 : Received: 21 July 2023 / Approved: 21 July 2023 / Online: 21 July 2023 (10:28:46 CEST)

A peer-reviewed article of this Preprint also exists.

Mihailova, V.; Stoyanova, I.I.; Tonchev, A.B. Glial Populations in the Human Brain Following Ischemic Injury. Biomedicines 2023, 11, 2332. Mihailova, V.; Stoyanova, I.I.; Tonchev, A.B. Glial Populations in the Human Brain Following Ischemic Injury. Biomedicines 2023, 11, 2332.


There is a growing interest in glial cells in the central nervous system due to their important role in maintaining brain homeostasis both under physiological conditions and after injury. A significant amount of evidence has been accumulated regarding their capacity to exert either pro-inflammatory or anti-inflammatory effects under different pathological conditions. In combination with their known proliferative potential, they contribute not only to the limitation of brain damage and tissue remodeling but also to neuronal repair and synaptic recovery. Moreover, reactive glial cells can modulate the processes of neurogenesis, proliferation, and migration of neurons in the existing neural circuits in the adult brain. By discovering precise signals within specific niches, the regulation of sequential processes in adult neurogenesis holds the potential to unlock strategies that can stimulate the generation of functional neurons, whether in response to injury or as a means of addressing degenerative neurological conditions. Cerebral ischemic stroke, a condition falling within the realm of acute vascular disorders affecting the circulation of the brain, stands as a prominent global cause of disability and mortality. Extensive investigations into glial plasticity and their intricate interactions with other cells in the central nervous system have predominantly relied on studies conducted on experimental animals, including rodents and primates. However, valuable insights have also been gleaned from in vivo studies involving post-stroke patients, utilizing highly specialized imaging techniques. Following the attempts to map brain cells, the role of various transcription factors in modulating gene expression in response to cerebral ischemia is gaining increasing popularity. Although the results obtained thus far remain incomplete and occasionally ambiguous, they serve as a solid foundation for the development of strategies aimed at influencing the recovery process after ischemic brain injury.


glial cells; astrocytes; oligodendrocytes; NG2 glia; microglia; human brain; ischemic brain injury; transcription factors


Medicine and Pharmacology, Neuroscience and Neurology

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