Abstract
Granulocyte/monocyte adsorption therapy can manage mild-to-moderate inflammatory bowel disease by removing activated granulocytes and monocytes. We evaluated granulocyte/monocyte adsorption using new columns with reduced bead size and theoretically enhanced adsorption. We assessed granulocyte/monocyte adsorption in rats with colitis by analyzing cell changes and cytokine production. Granulocyte/monocyte adsorption with the new columns improved histology in rats with colitis. Contrary to expectations, the adsorption rate of granulocytes/monocytes into the blood did not show a significant improvement. However, flow cytometry showed increased B cells in peripheral blood mononuclear cells and newly formed B cells in the bone marrow, which produced more interleukin-10 than peripheral blood B cells. Newly formed B cells adoptively transferred into colitis rats accumulated at the inflammation site and tended to inhibit intestinal shortening. Newly formed B cells with strong interleukin-10 production may alleviate inflammation. The new columns suggest potential for controlling colitis.
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Schedule a callMore From: Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy
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