[Clinical value of carbohydrate antigens, sialyl Lewis-x and sialyl Lewis-a in gastrointestinal cancer]. 1996

S Nakamori, and I Arai, and S Okamura, and S Imaoka, and H Furukawa, and T Kabuto, and O Ishikawa, and Y Sasaki, and M Kameyama, and T Iwanaga
Department of Surgery, Osaka Medical Center for Cancer and Cardiovascular Diseases, Japan.

To evaluate clinical importance of the expression of sialyl Lewis-X (sLe(x)) and sialyl Lewis-a antigen (sLe(a)) in gastrointestinal cancers, we examined immunohistochemically expression of the two antigens in esophageal, gastric, colorectal, and pancreatic cancer. Expression of sLe(x) and sLe(a) were associated with several clinicopathologic features which reflect tumor aggressiveness in esophageal, gastric and colorectal cancer, but not in pancreatic cancer. In esophageal and colorectal cancer, survival rate of the patients with sLe(x) positive tumors was significantly poorer than that of the patients with sLe(x) negative tumors, while in gastric cancer that with sLe(a) positive tumors was significantly poorer than that with sLe(a) negative. Cox's multivariate analysis revealed that sLe(x) expression status was one of the significant discriminants of prognosis in colorectal cancer patients and sLe(a) status in gastric cancer patients. These results suggest that sLe(x) and sLe(a) expression could be involved in aggressiveness of gastrointestinal cancer and might prove to be a potent marker for prognosis in patients with gastric cancer and colorectal cancer.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D008207 Lymphatic Metastasis Transfer of a neoplasm from its primary site to lymph nodes or to distant parts of the body by way of the lymphatic system. Lymph Node Metastasis,Lymph Node Metastases,Lymphatic Metastases,Metastasis, Lymph Node
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D009361 Neoplasm Invasiveness Ability of neoplasms to infiltrate and actively destroy surrounding tissue. Invasiveness, Neoplasm,Neoplasm Invasion,Invasion, Neoplasm
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D002240 Carbohydrate Sequence The sequence of carbohydrates within POLYSACCHARIDES; GLYCOPROTEINS; and GLYCOLIPIDS. Carbohydrate Sequences,Sequence, Carbohydrate,Sequences, Carbohydrate
D005260 Female Females
D005732 Gangliosides A subclass of ACIDIC GLYCOSPHINGOLIPIDS. They contain one or more sialic acid (N-ACETYLNEURAMINIC ACID) residues. Using the Svennerholm system of abbrevations, gangliosides are designated G for ganglioside, plus subscript M, D, or T for mono-, di-, or trisialo, respectively, the subscript letter being followed by a subscript arabic numeral to indicated sequence of migration in thin-layer chromatograms. (From Oxford Dictionary of Biochemistry and Molecular Biology, 1997) Ganglioside,Sialoglycosphingolipids

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