Part I. Search for novel tumor epitopes related to carbohydrates -- Chapter 1.1. The ganglioside structures: chemistry and biochemistry -- Chapter 1.2. Fucosylated proteins as cancer biomarkers -- Part II. Assembly of glycoconjugates -- Chapter 2.1. Siglec-7 and synthetic sialylpolymer -- Chapter 2.2. Role of Sialyl-Tn antigen in Cancer Metastasis -- Chapter 2.3. Insights into the Role of Chondroitin Sulfate in Cancer -- Part III. Signaling pathways modulated by glycosylation -- Chapter 3.1. Significance of FUT8in pancreatic cancer and others -- Chapter 3.2. Effects of Bullfrog sialic acid-binding lectin in cancer cells -- Part IV. Interaction between carbohydrate and carbohydrate-recognizing molecules -- Chapter 4.1. Opposite functions of mono- and disialylated glycosphingolipids on the membrane of cancer cells -- Chapter 4.2. Tumor progression through interaction of mucins with lectins and subsequent signal transduction -- Part V. Clinical trials targeting glycosignals -- Chapter 5.1. Immunotherapy of Neuroblastoma Targeting GD2 and Beyond.