Analysis of high-density superresolution imaging of receptors reveals the organization of dendrites at nanoscale resolution. We present here an apparently novel method that uses local statistics extracted from short-range trajectories for the simulations of long-range trajectories in empirical live cell images. Based on these empirical simulations, we compute the residence time of a receptor in dendritic spines that accounts for receptors' local interactions and geometrical membrane organization. We report here that depending on the type of the spine, the residence time varies from 1 to 5 min. Moreover, we show that there exists transient organized structures, previously described as potential wells that can regulate the trafficking of receptors to dendritic spine: the simulation results suggest that receptor trafficking is regulated by transient structures.
Residence times of receptors in dendritic spines analyzed by stochastic simulations in empirical domains.
Published 2014 in Biophysical Journal
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PUBLICATION RECORD
- Publication year
2014
- Venue
Biophysical Journal
- Publication date
2014-06-29
- Fields of study
Biology, Mathematics, Physics, Medicine
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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