3. Mucosal macrophages and cytokine production in the colon of children with Trichuris trichiura dysentery
- 30 June 1994
- journal article
- Published by Oxford University Press (OUP) in Transactions of the Royal Society of Tropical Medicine and Hygiene
- Vol. 88 (3), 265-268
- https://doi.org/10.1016/0035-9203(94)90072-8
Abstract
Mucosal macrophages and accessory cells have been studied by immunohistochemistry in the lamina propria of the colon of children with Trichuris trichiura dysentery syndrome (TDS). No difference was found in the numbers of cells recognized by the monoclonal antibodies CD11c, CD68, or RFD7 between TDS children and local controls. However, large numbers of cells were recognized by an antibody against calprotectin (an anti-bacterial glycoprotein found in tissue infiltrating-monocytes) in TDS colonic mucosa, but few in control colon. Large numbers of cells containing tumour necrosis factor α (TNFα) were also seen in TDS mucosa; cells isolated from TDS mucosa secreted more TNFα than cells from control mucosa; and children with TDS had high levels of circulating TNFα. Non-specific macrophage-mediated inflammation and local cytokine production may therefore play a role in the pathogenesis of TDS.Keywords
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