Abstract
Microglial cells are important effector cells in brain inflammation and immune response. In normal brain, microglial cells show a down-regulated immunophenotype, adapted to the specialised microenvironment of the central nervous system, but they rapidly respond to a number of different insults and become activated. Microglial activation is a natural and defensive process, addressed mainly to host defence and neuroprotection. However, in some circumstances, microglial activation can be inappropriately triggered or deployed to excess, and eventually contribute to the damage or death of the surrounding cells (Kreutzberg, 1996).
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Minghetti, L., Polazzi, E., Nicolini, A., Greco, A., Levi, G. (1999). Possible Role of Microglial Prostanoids and Free Radicals in Neuroprotection and Neurodegeneration. In: Matsas, R., Tsacopoulos, M. (eds) The Functional Roles of Glial Cells in Health and Disease. Advances in Experimental Medicine and Biology, vol 468. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4685-6_9
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