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. 2017 Mar 6;7:43397. doi: 10.1038/srep43397

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Copyright © 2017, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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TUNEL assay showing PCD undergoing cells as greenish-yellow signal due to merging of FITC signals and propidium iodide (PI) stain and normal cells appear red due to propidium iodide stain only. Images were taken from confocal microscope in FITC (Fluorescein isothiocyanate), PI and DIC (Differential interference contrast) channels. Merge image of FITC and PI are shown in fluorescent panel while DIC images are shown separately. Scales: 50 μm.