标题:Specific changes in the surface glycoprotein pattern of human promyelocytic leukemic cell line HL-60 during morphologic and functional differentiation
期刊名称:Proceedings of the National Academy of Sciences
印刷版ISSN:0027-8424
电子版ISSN:1091-6490
出版年度:1979
卷号:76
期号:8
页码:4087-4091
DOI:10.1073/pnas.76.8.4087
语种:English
出版社:The National Academy of Sciences of the United States of America
摘要:The human promyelocytic leukemia cell line HL-60 can be induced to undergo morphological and functional differentiation in vitro by various low molecular weight compounds. The cellular morphology changes from blastoid appearance to that of granulocytes and the cells acquire the ability to phagocytize. We here report that the surface glycoproteins specifically change during this differentiation, as shown by the neuraminidase/galactose oxidase/NaB3H4 surface-labeling technique followed by polyacrylamide slab gel electrophoresis. The most prominent change is the loss of the major glycoprotein band typical for the blast cells which has an apparent molecular weight of 160,000 and the appearance of a major surface glycoprotein band with an apparent molecular weight of 130,000. Expression of the 130,000 molecular weight band correlates with the appearance of phagocytic and chemotactic activities of the cells. It has the same molecular weight as the major surface glycoprotein of freshly isolated human blood granulocytes.