Transplantation of neural stem cells in the mouse model of ischemic brain stroke and expression of genes involved in programmed cell death

Hribljan, Valentina and Salamon, Iva and Đemaili, Arijana and Alić, Ivan and Mitrečić, Dinko (2018) Transplantation of neural stem cells in the mouse model of ischemic brain stroke and expression of genes involved in programmed cell death. Croatian Medical Journal, 59 (5). pp. 203-212. ISSN 0353-9504

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Aim: To analyze how neural stem cells (NSC) transplantation in the stroke-affected mouse brain influences the expression of genes involved in apoptosis-inducing factor (AIF)-mediated cell death – apoptosis inducing factor mitochondria associated 1 (Aifm1), ring finger protein 146 (Rnf146, Iduna), and cyclophilin A (CypA); necroptosis –receptor interaction protein kinase 1 (Ripk1), Ripk3, and mixed-lineage kinase domain-like protein (Mlkl); and apoptosis – Caspase 3 (Casp3) and Casp8. Methods: Four groups of animals were used to obtain mRNA for quantitative reverse transcription polymerase chain reaction analysis: healthy animals (n = 3), animals with stroke (n = 4), animals with stroke treated by stem cell transplantation (n = 7), and animals with stroke treated by proliferation-supporting medium (n = 5). Ischemic brain injury was induced by transient left middle cerebral artery occlusion. Statistical analysis was performed using one-way analysis of variance with post-hoc Tukey test. Results: NSC transplantation in the stroke-affected mouse brain significantly increased the expression of Iduna (P < 0.05), a gene-encoding protein with well-known protective effects on hypoxic damage, and significantly down-regulated the expression of damage-supportive genes, Casp3 (P < .01) and Aifm1 (P < 0.001). We were able to distinguish between the effect produced by stem cell transplantation (Iduna, Aifm1, Ripk3, Mlkl) and the effect produced by supporting the tissue with proliferation-supporting medium (Ripk1, Casp8). Conclusion: Beside revealing some clearly positive effects of stem cells transplantation on the stroke-affected brain, our results suggest that the tissue response triggered by stem cells points toward the desired, regeneration-supporting levels of expression of a certain gene at a certain time point.

Item Type: Article
MeSH: Animals ; Apoptosis/genetics ; Apoptosis Inducing Factor/genetics ; Brain Ischemia/genetics ; Brain Ischemia/therapy ; Caspases/genetics ; Cell Differentiation ; Cyclophilin A/genetics ; Disease Models, Animal ; Female ; Gene Expression Regulation/physiology ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Neural Stem Cells/transplantation ; Protein Kinases/genetics ; RNA, Messenger/genetics ; Receptor-Interacting Protein Serine-Threonine Kinases/genetics ; Reverse Transcriptase Polymerase Chain Reaction ; Stem Cell Transplantation ; Stroke/genetics ; Stroke/therapy ; Ubiquitin-Protein Ligases/genetics
Departments: Hrvatski institut za istraživanje mozga
Katedra za histologiju i embriologiju
Depositing User: Anja Majstorović
Status: Published
Hribljan, ValentinaUNSPECIFIED
Đemaili, ArijanaUNSPECIFIED
Mitrečić, DinkoUNSPECIFIED
Date: 31 October 2018
Date Deposited: 05 Apr 2019 10:51
Last Modified: 25 Aug 2020 07:55
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