Notch receptors are clustered and trans-endocytosed by Delta ligand cells. Confocal micrograph of a Delta expressing cell (left) interacting with a Notch expressing cell (right). Following interaction with Delta (blue), cell surface Notch (yellow) is clustered at cell-cell interfaces. Notch extracellular domain is detected within Delta cells (green) indicative of trans-endocytosis. Endocytosis of ligand while bound to Notch may produce a force sufficient to pull Notch apart and activate signaling.
 
 
 
 
 
 

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Volume 4 issue 3 March 2003
GAIP Participates in Budding of Membrane Carriers at the Trans-Golgi Network
Fiona G. Wylie, John G. Lock, Lubomira Jamriska, Tatiana Khromykh, Darren Brown and Jennifer L. Stow

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