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Live-Cell Analysis Handbook — Third Edition


       The IncuCyte Live-Cell Analysis System automatically captures   segmentation tools are used to identify active objects (cells)
       and analyzes short-term, calcium flux kinetics for every active   within each well. Based on the changing fluorescent intensity of
       cell within each well of a 96-well plate using IncuCyte  Stare   each individual cell, intensity traces are displayed for every active
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       Mode Movie acquisition. Each scan consists of a 30-180 second   cell in the culture. Scanning is typically completed once every
       movie, captured at a rate of three frames per second, then   24 hrs. Once these data are collected, several automated metrics
       distilled into a single range image to allow for simple viewing   are calculated for each well and at each scan time, allowing for
       and image processing. This image represents the range of   simple visualization of changing metrics over the full time-course
       intensities that are detected from each cell within the culture   of the experiment (Figure 2).
       over the specified scan time. Using this image, automated image



       A Vessel view                                                          B Active object mask
                                                                                Fluorescent range image










                                                                                       Active object mask









       C  Summary trace — Mean intensity over 3 minutes






























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       Figure 2. Identification and masking of active neurons using integrated IncuCyte Neuronal Activity Analysis Software Module. IncuCyte  Cortical
       Neurons seeded at 15,000 cells/well in a co-culture model with IncuCyte  rAstrocytes were subsequently infected with the IncuCyte  NeuroBurst
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       Orange Reagent. Vessel View (A) displays a summary of active objects (range image) in each well of a 96-well plate acquired during movie
       acquisition on day 8, revealing differences in activity across the microplate. Identification of each active object via masking (shown in purple) of
       the range image (B) is performed using the integrated IncuCyte  Neuronal Activity Analysis Software Module. 96-well Summary Traces for movies
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       acquired at a given timepoint (C) provide a full 96-well view of burst intensity, active object count (left inset value) and mean correlation (right
       inset value).

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