AIM: To observe the expression of mRNA in peripheral blood mononuclear cells (PBMC) from patients with active pulmonary tuberculosis (PTB) and the effects of Bacillus Calmette Guerin Polysaccharide nucleic acid (BCG PSN) on them.

• 目的 :观察活动性肺结核病人外周血单个核细胞 (PBMC)细胞因子信息核糖核酸 (mRNA)表达特点以及卡介菌多糖核酸的调节作用。