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Stem Cells. 2012 Apr;30(4):773-84. doi: 10.1002/stem.1042.

Histamine stimulates neurogenesis in the rodent subventricular zone.

Author information

1
Center for Neuroscience and Cell Biology, Faculty of Medicine, University of Coimbra, Largo Marquês de Pombal, 3004-504 Coimbra, Portugal. libernardino@gmail.com

Abstract

Neural stem/progenitor cells present in the subventricular zone (SVZ) are a potential source of repairing cells after injury. Therefore, the identification of novel players that modulate neural stem cells differentiation can have a huge impact in stem cell-based therapies. Herein, we describe a unique role of histamine in inducing functional neuronal differentiation from cultured mouse SVZ stem/progenitor cells. This proneurogenic effect depends on histamine 1 receptor activation and involves epigenetic modifications and increased expression of Mash1, Dlx2, and Ngn1 genes. Biocompatible poly (lactic-co-glycolic acid) microparticles, engineered to release histamine in a controlled and prolonged manner, also triggered robust neuronal differentiation in vitro. Preconditioning with histamine-loaded microparticles facilitated neuronal differentiation of SVZ-GFP cells grafted in hippocampal slices and in in vivo rodent brain. We propose that neuronal commitment triggered by histamine per se or released from biomaterial-derived vehicles may represent a new tool for brain repair strategies.

PMID:
22893458
DOI:
10.1002/stem.1042
[Indexed for MEDLINE]
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