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Review
. 2014 Sep:48:106-12.
doi: 10.1016/j.reprotox.2014.04.002. Epub 2014 Apr 21.

Microglia toxicity in preterm brain injury

Ana A Baburamani  1 , Veena G Supramaniam  2 , Henrik Hagberg  2 , Carina Mallard  3
Affiliations
Review

Microglia toxicity in preterm brain injury

Ana A Baburamani et al. Reprod Toxicol. 2014 Sep.

Abstract

Microglia are the resident phagocytic cells of the central nervous system. During brain development they are also imperative for apoptosis of excessive neurons, synaptic pruning, phagocytosis of debris and maintaining brain homeostasis. Brain damage results in a fast and dynamic microglia reaction, which can influence the extent and distribution of subsequent neuronal dysfunction. As a consequence, microglia responses can promote tissue protection and repair following brain injury, or become detrimental for the tissue integrity and functionality. In this review, we will describe microglia responses in the human developing brain in association with injury, with particular focus on the preterm infant. We also explore microglia responses and mechanisms of microglia toxicity in animal models of preterm white matter injury and in vitro primary microglia cell culture experiments.

Keywords: Neuroinflammation; Perinatal brain injury.

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