Neural stem cells from Persian sturgeon (Acipenser persicus): Determining optimum temperature, long-term culture and immunocytochemistry

Document Type : scientific research article

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Abstract

Cell culture from fish brain have high potential in investigation of different responses to toxins, nutrients and growth factors. In the present study, to investigate the possibility of preparing long-term culture from Persian surgeon brain, characterization of neural stem cells and determining optimum temperature for the growth of cells, the front (olfactory lobe), middle (optic lobe) and rear (cerebellum) regions of Persian sturgeon brain were placed separately in the medium of DMEM/F12 with 15% FBS, penicillin-streptomycin and amphotrisin in incubator (250C, 5%Co2). The obtained cells were mostly fusiform. Cells from rear part of the brain are still alive after more than 8 months and 9 passages. To determination of optimum temperature for the growth of Persian sturgeon brain cells, cells were exposed to temperatures 20, 22, 25 and 280C and the number of cells in each temperature treatment was investigated for surveying growth condition. The highest growth and proliferation of cells were observed at 250C. To maintain cell stocks, the cultures were cryopreserved in liquid nitrogen. To characterization of neural stem cells, reactivity of cells from rear part of the brain with anti-nestin marker was investigated, that 11% of cells were immunopositive. According to the high stability of cultures from rear part of the brain, it can be used in different research areas such as virus characterization, ecotoxicology and gene expression.

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References

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Journal of Utilization and Cultivation of Aquatics
Volume 7, Issue 4
March 2019
Pages 9-19

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