Lewis systém Lewis systém krvných skupín antigény príbuzné antigénom krvnej skupiny Lewis antigény asociované s nádormi, príbuzné antigénom krvnej skupiny Lewis antigény spojené s nádormi, príbuzné antigénom krvnej skupiny Lewis Le antigény Le(a) antigény Le(a) systém krvných skupín Lewis antigén príbuzný antigénom asociovaným s nádormi Lewis antigén príbuzný antigénom spojeným s nádormi Lewis antigény antigény príbuzné Lewis antigénom Lewis systém sialyl Lewis antigény
English X references
Blood Group Lewis Related Antigens Lewis Antigen Related Tumor-Associated Antigens Lewis Antigens Lewis Blood Group Related Antigens Lewis Blood Group Related Tumor-Associated Antigens Lewis Blood-Group System Lewis Related Antigens Lewis System Sialyl Lewis Antigens
Scope note in English
Carbohydrate antigens structurally related to the ABH BLOOD-GROUP SYSTEM. They may occur as a modification of saccharide chains on glycolipids or glycoproteins on cell surfaces or in plasma, or as free oligosaccharides in secretions. Lewis antigens are not synthesized in blood cells. Instead Lewis glycolipids present in plasma are absorbed onto the surface of ERYTHROCYTES; LYMPHOCYTES; and PLATELETS. The phenotypes Le(a) and Le(b) are the result of the actions of two genes the Le gene (fucosyltransferase FUT3) and the Se gene (fucosyltransferase FUT2) on the precursor carbohydrate, glycolipid or glycoprotein. Other FUCOSYLTRANSFERASES can also synthesize the Lewis antigens.
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subject heading
openseadragon
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