Systemic Lupus Erythematous is an immune-mediated disease which can affect many different organ systems. The immune system is directed against various tissues of the body and immune complexes cause a [[Type III Hypersensitivity|type III hypersensitivity reaction]]. The condition is documented in cats and dogs but the etiology is not known. The disease has been reported in colonies of dogs suggesting that there may be a genetic or infectious component to the cause. | Systemic Lupus Erythematous is an immune-mediated disease which can affect many different organ systems. The immune system is directed against various tissues of the body and immune complexes cause a [[Type III Hypersensitivity|type III hypersensitivity reaction]]. The condition is documented in cats and dogs but the etiology is not known. The disease has been reported in colonies of dogs suggesting that there may be a genetic or infectious component to the cause. |