In agreement with our data, IL9R has been associated with different inflammatory, autoimmune, and malignant diseases, such as psoriasis lesion, lupus erythematous, and various human leukemias, including T-cell leukemia, megakaryoblastic leukemia, and Hodgkin lymphomas [23,46,47,48]. Here, IL9R is linked to adult acute megakaryoblastic leukemia.