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Figure 1 | Arthritis Research & Therapy

Figure 1

From: Suppression of inflammation by low-dose methotrexate is mediated by adenosine A2A receptor but not A3receptor activation in thioglycollate-induced peritonitis

Figure 1

Effect of methotrexate and dexamethasone treatment on leukocyte accumulation in peritoneal exudates of mice. (a) A2A wild-type mice and A2A receptor knockout mice or (b) A3 wild-type mice and A3 receptor knockout mice either were treated with weekly injections of methotrexate (0.75 mg/kg) or saline control for 4 weeks prior to induction of inflammation or were treated with a single intraperitoneal injection of dexamethasone (1.5 mg/kg) or saline 1 hour before induction of inflammation and subsequent collection of inflammatory exudates, as described. Results are presented as the mean (± SEM) million cells per exudate. **P < 0.001 vs wild-type control mice, ++P < 0.001 vs knockout control mice, +P < 0.05 vs knockout control mice, all one-way analysis of variance (Bonferroni t test).

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