2.6. Apoptosis (TUNEL) assay

WF Wei Fang
GW Guizhen Wang
LT Luyan Tang
HS Huilin Su
HC Huyan Chen
WL Wanqing Liao
JX Jinhua Xu
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Apoptosis assay was carried out in both skin sections and H2O2‐treated HUEVC cells using terminal deoxynucleotide transferase dUTP nick end labelling (TUNEL) staining kit (Roche Diagnostics, Indianapolis, IN) according to the manufacturer's instructions. Photographs were taken and visualized with inverted fluorescence microscope (Olympus IX71). The number of apoptotic cells was determined by counting TUNEL and Hoechst double positive nuclei in the field as previously described.23

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