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Glycosaminoglycan Composition of PC 12 Pheochromocytoma Cells: A Comparison with PC12D Cells, a New Subline of PC12 Cells
Author(s) -
KatohSemba Ritsuko,
Oohira Atsuhiko,
Sano Mamoru,
Watanabe Kimi,
Kitajima Satoko,
Kashiwamata Shigeo
Publication year - 1989
Publication title -
journal of neurochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.75
H-Index - 229
eISSN - 1471-4159
pISSN - 0022-3042
DOI - 10.1111/j.1471-4159.1989.tb02538.x
Subject(s) - chondroitin sulfate , heparan sulfate , neurite , cell culture , glycosaminoglycan , nerve growth factor , chondroitin sulfate proteoglycan , chemistry , sulfate , biochemistry , microbiology and biotechnology , biology , in vitro , genetics , receptor , organic chemistry
PC12D cells, a new subline of conventional PC12 cells, respond not only to nerve growth factor but also to cyclic AMP by extending their neurites. These cells are flat in shape and are similar in appearance to PC12 cells that have been treated with nerve growth factor for a few days. In both cell lines, we have characterized the glycosaminoglycans, the polysaccharide moieties of proteoglycans, which are believed to play an important role in cell adhesion and in cell morphology. Under the present culture conditions, only chondroitin sulfate was detected in the media from PC12 and PC12D cells, whereas both chondroitin sulfate and heparan sulfate were found in the cell layers. The levels of cell‐associated heparan sulfate and chondroitin sulfate were about twofold and fourfold higher in PCI 2D cells than in PC12 cells, respectively. Compared to PC12 cells, the amounts of [ 35 S]sulfate incorporated for 48 h into chondroitin sulfate were twofold lower but those into heparan sulfate were 35% higher in PC12D cells. The amount of chondroitin sulfate released by PC12D cells into the medium was about a half of that released by PC12 cells. The ratio of [ 35 S]sulfate‐labeled heparan sulfate to chondroitin sulfate was 6.2 in PC12D cells and 2.2 in PC12 cells. These results suggest that there may be some correlation between the increase in content of glycosaminoglycans and the change in cell morphology, which is followed by neurite outgrowth.