Related Experiment Videos
Expression of NeuroD and TrkB in developing and aged mouse olfactory epithelium
1Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, The University of Tokyo, Japan.
Neuroreport
|June 21, 2001
Summary
NeuroD plays a key role in olfactory receptor neuron (ORN) development. Its expression pattern changes from embryonic to adult stages, indicating diverse functions in neurogenesis.
Area of Science:
- Neuroscience
- Developmental Biology
Background:
- Olfactory receptor neurons (ORNs) are crucial for smell perception.
- NeuroD is a basic helix-loop-helix transcription factor involved in neuronal differentiation.
Purpose of the Study:
- To investigate the expression patterns of NeuroD in the developing and aging mouse olfactory epithelium (OE).
- To understand the roles of NeuroD in the neurogenesis of ORNs throughout different life stages.
Main Methods:
- Studied NeuroD expression in mouse olfactory epithelium at embryonic, neonatal, and adult stages.
- Analyzed the localization and changes in NeuroD-positive cells within the OE compartments.
Main Results:
- During embryonic development, NeuroD expression was restricted to the basal compartment of the OE.
- Neonatal expression included both basal and middle compartments.
- In adults, basal NeuroD-expressing cells decreased, while middle compartment expression persisted throughout life.
Conclusions:
- NeuroD exhibits a dynamic, dual-phase expression pattern in the OE.
- This pattern suggests multifaceted roles for NeuroD in ORN neurogenesis, spanning development and maintenance.