An immune system disease that is characterized by recognition by mature donor T cells, that contaminate the allogeneic bone marrow, of the recipient's tissue as foreign, causing a severe inflammatory disease characterized by rashes, diarrhea, and liver disease, and that has_material_basis_in an associated with variation in the interleukin-10 gene (IL10) on chromosome 1q32.

Reference
DiseaseOntology: Graft-versus-host disease