ISSN 2410-7751 (Print)
ISSN 2410-776X (Online)
Biotechnologia Acta V. 15, No. 4, 2022
P.15-17 . Bibliography 5, Engl.
UDC: [577.112.083/616.931] +616-006
https://doi.org/10.15407/biotech15.04.015
I.G. Kolobova1, L.D. Liubich2, L.P. Staino2, D.M. Egorova2
1Taras Shevchenko National University of Kyiv, Kyiv, Ukraine;
2SI “Romodanov Neurosurgery Institute, National Academy of Medical Sciences of Ukraine”, Kyiv
Aim. The purpose of the study was to examine beneficial effect of conditioned media (CM) of progenitor cells of different origin (neurogenic progenitor cells, or NPCs, and adipose-derived mononuclear cells, or AMCs) as a source of mesenchymal multipotent stromal cells (MMSCs) on brain cortex neurons in rats with traumatic brain injury (TBI).
Methods. TBI was reproduced in outbred sexually mature male rats by developing the model of free-falling load (50 g) with damage to the left hemisphere of the brain. The rats were injected 3 times with an interval of every other day intraperitoneally with NPCs CM and AMCs CM (dose 0.8 mg by total protein) that were obtained from cell cultures of fetal rat brain and adult rat adipose tissue. On the 5th day after TBI, the morphologic study of brain tissue was performed.
Results. The number of neurons in the cortex of rats on the 5th day after TBI in damaged hemisphere as well as in contralateral hemisphere compared to control group decreased by half. Three i.p. injections of NPCs CM or AMCs CM increased the number of neurons in the cortex in both hemispheres in rats of corresponding groups compared to the rats with TBI without additional treatment.
Conclusion. Obtained results indicate that CM obtained from NPCs and AMCs have noticeable neuroprotective effect on the damaged neurons and might be considered as an additional mode to treatment of TBI.
Key words: neurogenic progenitor cells, mesenchymal multipotent stromal cells, traumatic brain injury, conditioned medium, neuron viability.
© Palladin Institute of Biochemistry of the National Academy of Sciences of Ukraine, 2022
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