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  • Title: Glycolipids of fetal, newborn, and adult erythrocytes: glycolipid pattern and structural study of H3-glycolipid from newborn erythrocytes.
    Author: Fukuda MN, Levery SB.
    Journal: Biochemistry; 1983 Oct 11; 22(21):5034-40. PubMed ID: 6639942.
    Abstract:
    The glycolipids of blood group type O adult, newborn, and fetal erythrocytes were compared. The total amount of glycolipids was indistinguishable between adult and newborn erythrocytes. However, glycolipids with long and neutral carbohydrates and the H determinant were greatly reduced in newborn cells. On the other hand, the amount of sialylated glycolipids (gangliosides) was significantly higher in newborn cells, suggesting that during erythropoiesis sialyltransferases are more active in fetuses than in adults. The amount of each core structure, lacto-N-tetraosyl, linear lacto-N-hexaosyl, and branched lacto-N-octaosyl, was compared between adult and newborn erythrocytes. It was found that branched lacto-series glycolipids were reduced in newborn cells compared with adult cells. Thus, development from fetal to adult human erythrocytes is associated with an increase of branching and a decrease of sialylation of N-acetyllactosaminyl carbohydrate chains. The study indicates that glycolipids are quantitatively different between adult and newborn or fetus.
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