INS-1 832/13 cells were incubated (for 24 h) with either basal (LG; 2.5 mM) or high (HG; 20 mM) glucose on chamber slides. Samples were prepared for confocal imaging according to previously published protocols from our laboratory [28 (link)]. Images were obtained by a 63×oil objective utilizing a Zeiss Axio Examiner Z1 upright microscope. Image analysis was completed using Volocity 7.0 software [27 (link)]. All confocal microscopy studies were conducted at the Microscopy, Imaging, and Cytometry Resources Core at Wayne State University School of Medicine.
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