Abnormality and significance of interleukin-9 and CD4~+ interleukin-9~+ T-cells in peripheral blood of patients with systemic lupus erythematosus

摘要

Objective To examine the protein and mRNA levels of interleukin-9(IL-9) and the frequencies of CD4+ IL-9+ T-cells in peripheral blood of patients with systemic lupus erythematosus(SLE) and explore the roles of double positive T cells and IL-9 in the pathogenesis of