The severe combined immunodeficient (SCID) mouse as a model for the study of autoimmune diseases

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Abstract
There are no readily available in vivo models to study immune cells from humans with autoimmune diseases. SCID mice, which virtually lack both T and B lymphocytes and accept xenogeneic cells, have been used during the last 5 years to provide a milieu for lymphocytes isolated from individuals with various autoimmune diseases, or for lymphocytes from mice that have a systemic lupus erythematosus-like syndrome. Whilst human autoantibodies to organ antigens have been demonstrated in most SCID mice engrafted with human lymphocytes from the peripheral blood or the target organ, inflammation of the mouse target organ has not generally been observed. This review critically analyses experiments in this area reported so far. Some pitfalls of the SCID mouse model of human autoimmune diseases are mentioned, and future experiments to study mouse and human autoimmunity with this model are proposed.