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. 2021 Jul 12;11:390. doi: 10.1038/s41398-021-01517-1

Fig. 5. Intravenous HMGB1 administration elevates persistent pro-inflammatory microglia (PPM) genes in the midbrain.

Fig. 5

C57BL/6 mice received a single IV injection of recombinant HMGB1 protein (rHMGB1, 32.5 μg) or vehicle and mRNA was assessed in the midbrain 3 H later. PPM transcriptome genes (A) Gzma, (B) C3, (C) Cd72, (D) Il2rg, (E) Cd69, and (F) Cxcl10 mRNA levels were measured in the midbrain. Male C57BL/6 mice received a single IP injection of LPS or saline and neuroinflammation was assessed 3 H or 7 days later and PPM gene expression levels were compared: (G) Gzma, (H) C3, (I) Cd72, (J) Il2rg, (K) Cd69, and (L) Cxcl10 mRNA levels were measured in the isolated microglia. mRNA levels were analyzed by qRT-PCR and normalized to Gapdh using the 2-ΔΔCT method. Data are reported as the mean ± SEM. *p < 0.05 and **p < 0.01 when compared to control (n = 4–6).