The Use of Neural Stem Cells-Derived Exosomes to Prevent Late Radiation-Induced Cognitive Impairments in Mice

The possibility of transferring exosomes of neural (NSC) and mesenchymal (MSC) mouse stem cells labeled with the fluorescent dye PKH26 into the cerebral cortex and hippocampus after their intranasal administration to mice, and the accumulation and localization of exosomes in cultured brain cells of various types, and also the effect of exosomes of NSCs and MSCs on the parameters of the cell cycle and the level of apoptosis of cultured NSCs after irradiation at a dose of 4 Gy. The accumulation of exosomes obtained from the culture medium of NSCs and MSCs from the adipose tissue of C57BL/6 mice was shown both in the hippocampus and in the cerebral cortex after their intranasal administration to syngeneic mice. Exosomes were found predominantly in the perinuclear region of brain cells. When culturing NSCs and differentiated from NSCs neurons and astrocytes, exosomes accumulate more intensively in astrocytes and are also localized in the perinuclear region of cells, and in astrocytes also in the cytoplasm. Exosomes accumulated most intensively in astrocytes. When studying the effect of stem cell exosomes on the cell cycle of irradiated NSCs, it was shown that the cultivation of NSCs irradiated at a dose of 4 Gy in the presence of exosomes of both NSCs and mouse MSCs does not lead to the restoration of cell cycle parameters, but provides a decrease the number of apoptotic cells in 24 h after exposure.

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The Use of Neural Stem Cells-Derived Exosomes to Prevent Late Radiation-Induced Cognitive Impairments in Mice

Cited by 2 publications

References 25 publications

Localization of the Stem Cells Exosomes in the Brain and in the Cultured Mouse Brain Cells

Localization of the Stem Cells Exosomes in the Brain and in the Cultured Mouse Brain Cells

Localization of the stem cells exosomes in the brain and in the cultured mouse brain cells

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