TRIM21 and systemic lupus erythematosus: - 64.7% of SLE patients with psychosis and mood disorders had antibodies against endothelial cells (AECA) compared to 29.4% of SLE patients without psychosis and mood disorders - No correlation was found between psychiatric disorders and autoantibodies against cardiolipin, β2 glycoprotein I, Ro, Ro52, La, glial fibrillary acidic protein, ribosomal P protein, dsDNA or nucleosomes in this patient group