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The growth of adult and paediatric brain tumours depends on a microenvironmental signalling pathway involving the activity-regulated secretion of neuroligin-3 (NLGN3) from normal neurons and oligodendrocyte precursor cells, highlighting the potential of NLGN3 as a therapeutic target.
Chromosomal abnormalities such as 11q deletion are associated with poor prognosis in neuroblastoma. Here, the authors perform a genome-wide association study and identify an association between a variant within a Matrix metalloproteinase (MMP) gene member, MMP20, and 11q-deletion subtype neuroblastoma.
Using DNA barcoding, Lan et al. investigated the clonal evolution and dynamics of glioblastoma cells, and propose a model whereby proliferative heterogeneity is derived from stochastic fate decisions made by a homogeneous population of glioblastoma stem cells and their progeny.