Yilmaz and others evaluated both clinical, clinicopathological and histopathological abnormalities reporting weight loss, fever, depression, respiratory, urinary, and gastrointestinal signs in FeMV RNA positive cats (3/68 cats), as well as, lower red blood cells, hemoglobin, albumin, albumin/globulin ratio and urobilinogen median values, and higher alanine aminotransferase, alkaline phosphatase and bilirubin median values when compared with negative cats [16]. The gene discussed is GPT; the disease is major depressive disorder.