Organoid Polymer Functionality and Mode of Klebsiella Pneumoniae Membrane Antigen Presentation Regulates Ex Vivo Germinal Center Epigenetics in Young and Aged B Cells

类器官聚合物的功能和肺炎克雷伯菌膜抗原呈递方式调节年轻和老年 B 细胞的体外生发中心表观遗传学