Therapeutic efficacy of olfactory stem cells in rotenone induced Parkinsonism in adult male albino rats - 29/05/18
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Graphical abstract |
Highlights |
• | Rotenone has a degenerative effect on the substantia nigra producing Parkinsonism. |
• | The rat's olfactory stem cells (OSCs) can be easily isolated and cultured. |
• | OSCs is a good alternative to the damaged dopaminergic cells of substantia nigra. |
• | OSCs can exert therapeutic effects in rotenone induced Parkinsonism in rat. |
Abstract |
Background |
Olfactory stem cells (OSCs) are found in the olfactory mucosa and olfactory bulb and have the capacity to proliferate and differentiate along multiple tissue lineages. Rotenone; widely used insecticide has a neurodegenerative effect on the dopaminergic cells of substantia nigra (SN) of midbrain producing Parkinsonism. The aim of this study is to isolate rat OSCs from olfactory mucosa and olfactory bulb, culture these OSCs in suitable medium to allow for their proliferation to be used in the treatment of Parkinsonism induced by rotenone.
Methods |
The characteristics of OSCs, the effects of rotenone on the SN of midbrain and the curative effect of OSCs on the substantia nigra were determined morphologically, immunohistochemically, and by transmission electron microscopy. PKH 26; immunofluorescent dye was used as a cell tracer to locate the transplanted cells in host midbrain.
Results |
OSCs were spindle shaped with irregular processes, and were positive for CD44 and Nestin and negative for CD34. Subcutaneous rotenone produced Parkinsonism through producing degeneration of the dopaminergic cells of SN of the midbrain. Transplantation of OSCs produced restoration of the normal structure of SN and dopaminergic cells and improves the clinical manifestations of Parkinsonism.
Conclusion |
These results indicate that, the isolated rat OSCs can proliferate and expand in vitro when culture in suitable medium and these cells can exert therapeutic effects in Parkinsonism by recruitment in SN and restoration of the structure and function of dopaminergic cells.
El texto completo de este artículo está disponible en PDF.Abbreviations : ANOVA, DMEM, DMEM-F12, DMSO, DNA, EDTA, ESCs, GBCs, HBCs, HUMSCs, MIOP, MSCs, OE-MSCs, OSCs, PBS, ROS, SE, SN, TH
Keywords : Characterization, Isolation, Parkinsonism, Olfactory stem cells, Rotenone
Esquema
Vol 103
P. 1178-1186 - juillet 2018 Regresar al número
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Bienvenido a EM-consulte, la referencia de los profesionales de la salud.
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Bienvenido a EM-consulte, la referencia de los profesionales de la salud.
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