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. 2021 Apr 8;23(4):540–548. doi: 10.1007/s12017-021-08656-0

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© The Author(s) 2021

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Fig. 1 — Schematic diagram of experimental design. Targeted cells, including PCCs, OPCs, and NPCs are grown in confluence, then subjected to OGD/R and assigned to one of the following treatment conditions: standard media, IL-2/IL-2R alone (green dots), Tregs alone (yellow dots), or IL-2/IL-2R-treated Tregs (blue dots). The cells are then processed for cell viability (MTT) and inflammation (TNF-α) assays