Abstract:
:The mechanisms that regulate the establishment of adult stem cell pools during normal and perturbed mammalian development are still largely unknown. Here, we asked whether a maternal cytokine surge, which occurs during human maternal infections and has been implicated in cognitive disorders, might have long-lasting consequences for neural stem cell pools in adult progeny. We show that transient, maternally administered interleukin-6 (IL-6) resulted in an expanded adult forebrain neural precursor pool and perturbed olfactory neurogenesis in offspring months after fetal exposure. This increase is likely the long-term consequence of acute hyperactivation of an endogenous autocrine/paracrine IL-6-dependent self-renewal pathway that normally regulates the number of forebrain neural precursors. These studies therefore identify an IL-6-dependent neural stem cell self-renewal pathway in vivo, and support a model in which transiently increased maternal cytokines can act through this pathway in offspring to deregulate neural precursor biology from embryogenesis throughout life.
journal_name
Cell Stem Celljournal_title
Cell stem cellauthors
Gallagher D,Norman AA,Woodard CL,Yang G,Gauthier-Fisher A,Fujitani M,Vessey JP,Cancino GI,Sachewsky N,Woltjen K,Fatt MP,Morshead CM,Kaplan DR,Miller FDdoi
10.1016/j.stem.2013.10.002subject
Has Abstractpub_date
2013-11-07 00:00:00pages
564-76issue
5eissn
1934-5909issn
1875-9777pii
S1934-5909(13)00448-7journal_volume
13pub_type
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