Two phases of macrophages: Inducing maturation and death of oligodendrocytes in vitro co-culture
Künye
Aydınlı, F. İ., Er, S. ve Kerman, B. E. (2022). Two phases of macrophages: Inducing maturation and death of oligodendrocytes in vitro co-culture. Journal of Neuroscience Methods, 382. https://doi.org/10.1016/j.jneumeth.2022.109723Özet
Background: The plasticity of macrophages in the immune response is a dynamic situation dependent on external stimuli. The activation of macrophages both has beneficial and detrimental effects on mature oligodendrocytes (OLs) and myelin. The activation towards inflammatory macrophages has a critical role in the immune-mediated oligodendrocytes death in multiple sclerosis (MS) lesions. New method: We established an in vitro co-culture method to study the function of macrophages in the survival and maturation of OLs. Results: We revealed that M1 macrophages decreased the number of mature OLs and phagocytosed the myelin. Interestingly, non-activated as well as M2 macrophages contributed to an increase in the number of mature OLs in our in vitro co-culture platform. Comparison with existing methods: We added an antibody against an OL surface antigen in our in vitro co-cultures. The antibody presents the OLs to the macrophages enabling the investigation of direct interactions between macrophages and OLs. Conclusion: Our co-culture system is a feasible method for the investigation of the direct cell-to-cell interactions between OLs and macrophages. We utilized it to show that M2 and non-activated macrophages may be employed to enhance remyelination.
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Journal of Neuroscience MethodsCilt
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