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 8 issue 5 May 2007
The ternary Rab27a:Myrip:MyosinVIIa complex regulates melanosome motility in the retinal pigment epithelium
VS Lopes, JS Ramalho, DM Owen, MO Karl, O Strauss, CE Futter and MC Seabra

Time-lapse movies showing melanosome dynamics in RPE primary cultured cells. Images were captured every 0.5 seconds, and the movies show one in each two frames, at a frame rate of 7 fps.

Movie 1: Wild-type RPE cell - Video 1 (.mov)

Movie 2: shaker-1 RPE cell - Video 2 (.mov)

Movie 3: ashen RPE cell - Video 3 (.mov)

Movie 4: ashen RPE cell transduced with Ad-GFP Rab27a - Video 4 (.mov)

Movie 5: Wild type RPE cell transduced with Ad shRNA-5 Myrip - Video 5 (.mov)

Movie 6: Wild-type RPE cell treated with nocodazole - Video 6 (.mov)

Movie 7: Wild-type RPE cell treated with cytochalasin D; - Video 7 (.mov)

Movie 8: dilute RPE cell. - Video 8 (.mov)

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