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Nature Communications  ·  13 October 2026  ·  From issue 51

CD200+ fibroblasts prime the immunoregulatory function of granulocytic myeloid-derived suppressor cells in inflammatory arthritis

In mice, joint lining cells train immune cells to calm inflammation, and blocking this made arthritis worse.

Mario R. Angeli, Christian Schütz et al.

Certain immune cells can calm down joint inflammation, but only inside the joint itself, not in the blood. Cells in the joint lining send signals that turn young immune cells into these calming cells. In mice with arthritis, blocking that signal stopped the calming cells from forming. This made the disease worse.

What it could change Blocking one joint signal stopped calming immune cells from forming and made arthritis worse in mice.

Shows a joint tissue signal that helps control inflammation in mice with arthritis.

Mouse and cell studies only, no human trial yet.

Integrity screen: passed (3 checks) Checked 14 October 2026. Retraction record: none. DOI resolves at doi.org. Metadata record found (Nature Communications). Read the source

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