Inflammatory bowel disease (IBD) is not a singular condition but a group of biologically distinct disorders, with a specific, severe subset driven by an autoimmune response against interleukin-10 (IL-10), a critical regulator of immune homeostasis.
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https://www.sflorg.com/2026/06/imgy06152601.html
IL-10 Autoimmunity: A New Mechanism in IBD

A new study links the HLA-DRB1*01:03 genetic variant to anti-IL-10 autoantibodies, revealing a targeted underlying mechanism for severe IBD pathology.