RRC ID 12357
Author Sawada M, Kaneko N, Inada H, Wake H, Kato Y, Yanagawa Y, Kobayashi K, Nemoto T, Nabekura J, Sawamoto K.
Title Sensory input regulates spatial and subtype-specific patterns of neuronal turnover in the adult olfactory bulb.
Journal J Neurosci
Abstract Throughout life, new neurons are added and old ones eliminated in the adult mouse olfactory bulb. Previous studies suggested that olfactory experience controls the process by which new neurons are integrated into mature circuits. Here we report novel olfactory-experience-dependent mechanisms of neuronal turnover. Using two-photon laser-scanning microscopy and sensory manipulations in adult live mice, we found that the neuronal turnover was dynamically controlled by olfactory input in a neuronal subtype-specific manner. Olfactory input enhanced this turnover, which was characterized by the reiterated use of the same positions in the glomeruli by new neurons. Our results suggest that olfactory-experience-dependent modification of neuronal turnover confers structural plasticity and stability on the olfactory bulb.
Volume 31(32)
Pages 11587-96
Published 2011-8-10
DOI 10.1523/JNEUROSCI.0614-11.2011
PII 31/32/11587
PMID 21832189
PMC PMC6623130
MeSH Age Factors Animals Male Mice Mice, Inbred C57BL Mice, Transgenic Neurogenesis / physiology* Neurons / cytology Neurons / physiology Odorants* Olfactory Bulb / cytology Olfactory Bulb / physiology* Olfactory Receptor Neurons / cytology Olfactory Receptor Neurons / physiology* Sensory Deprivation / physiology* Smell / physiology*
IF 5.674
Times Cited 48
WOS Category NEUROSCIENCES
Resource
Mice RBRC02095