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Serum levels of Treg-related and proinflammatory cytokines in Mossi and Fulani. Levels of TGF-β, IL-10, CXCL10, and CCL22 were evaluated in the sera of 82 Mossi (black bars) and 58 Fulani (gray bars). Columns represent the mean values (± SE) of the indicated cytokine/chemokine concentration. Statistical analysis was performed by using Student's t test.
