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Paltsyn A, Komissarova S, Dubrovin I, et al. Increased cell fusion in cerebral cortex may contribute to poststroke regeneration. Stroke Res Treat. 2013;2013:869327doi: 10.1155/2013/869327.
Paltsyn, A., Komissarova, S., Dubrovin, I., & Kubatiev, A. (2013). Increased cell fusion in cerebral cortex may contribute to poststroke regeneration. Stroke research and treatment, 2013869327. https://doi.org/10.1155/2013/869327
Paltsyn, Alexander, et al. "Increased cell fusion in cerebral cortex may contribute to poststroke regeneration." Stroke research and treatment vol. 2013 (2013): 869327. doi: https://doi.org/10.1155/2013/869327
Paltsyn A, Komissarova S, Dubrovin I, Kubatiev A. Increased cell fusion in cerebral cortex may contribute to poststroke regeneration. Stroke Res Treat. 2013;2013:869327. doi: 10.1155/2013/869327. Epub 2013 Apr 03. PMID: 23691431; PMCID: PMC3649807.
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Stroke Res Treat. 2013;2013:869327. doi: 10.1155/2013/869327. Epub 2013 Apr 03.

Increased cell fusion in cerebral cortex may contribute to poststroke regeneration.

Stroke research and treatment

Alexander Paltsyn, Svetlana Komissarova, Ivan Dubrovin, Aslan Kubatiev

Affiliations

  1. Institute of General Pathology and Pathophysiology of the Russian Academy of Medical Sciences, Baltiskaya Street 8, Moscow 125315, Russia ; Russian Medical Academy of Postgraduate Education, Moscow, Russia.

PMID: 23691431 PMCID: PMC3649807 DOI: 10.1155/2013/869327

Abstract

In this study, we used a model of a hemorrhagic stroke in a motor zone of the cortex in rats at the age of 3 months The report shows that cortical neurons can fuse with oligodendrocytes. In formed binuclear cells, the nucleus of an oligodendrocyte undergoes neuron specific reprogramming. It can be confirmed by changes in chromatin structure and in size of the second nucleus, by expression of specific neuronal markers and increasing total transcription rate. The nucleus of an oligodendrocyte likely transforms into a second neuronal nucleus. The number of binuclear neurons was validated with quantitative analysis. Fusion of neurons with oligodendrocytes might be a regenerative process in general and specifically following a stroke. The appearance of additional neuronal nuclei increases the functional outcome of the population of neurons. Participation of a certain number of binuclear cells in neuronal function might compensate for a functional deficit that arises from the death of a subset of neurons. After a stroke, the number of binuclear neurons increased in cortex around the lesion zone. In this case, the rate of recovery of stroke-damaged locomotor behavior also increased, which indicates the regenerative role of fusion.

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