Effect of Polyporus umbellatus polysaccharides on activation of murine bone marrow dendritic cells via Toll-like receptor 4 Immunoregulative Action of Polysaccharides in Wild and Cultivated Artemisia rupestris in Xinjiang on Bone Marrow Dendritic Cells Promotion of Angelica polysaccharide on inducing chronic myelocytic leukemia cells into dendritic cells Effects of phenylethanoid glycosides from seeds of Plantago asiatica on maturation of dendritic cells Effect of Polyporus umbellatus polysaccharides on activation of murine bone marrow dendritic cells via Toll-like receptor 4