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. 2017 Sep 28;4:160. doi: 10.3389/fvets.2017.00160

Figure 1.

Figure 1

Lipopolysaccharide (LPS) increases tumor necrosis factor α (TNFα), IL-6, IL-1β, and IL-8 mRNA levels in equine leukocytes. Equine leukocyte-rich plasma was stimulated with 100 ng/mL LPS or vehicle (sterile PBS) for 1, 2, 6, or 18 h. mRNA was isolated, and levels of (A) TNFα, (B) IL-6, (C) IL-1β, and (D) IL-8 mRNA were quantified using real-time PCR with each sample assayed in triplicate. Data are expressed as mean ± SEM fold change in mRNA levels over untreated cells at 0 h (not shown). *p < 0.05 indicates a significant difference between LPS-stimulated cells and time-matched unstimulated controls via paired t-test; n = 4.