HUMAN LYMPHOCYTES-T SYNTHESIZE AND SECRETE A PROTEASE RESISTANT PROTEOGLYCAN IN A DELAYED, SERUM-DEPENDENT RESPONSE TO CONCANAVALIN-A

被引:4
作者
CHOPRA, R [1 ]
GRIFFITH, E [1 ]
IRWIN, D [1 ]
ANASTASSIADES, T [1 ]
机构
[1] QUEENS UNIV,DEPT BIOCHEM,KINGSTON K7L 3N6,ONTARIO,CANADA
关键词
D O I
10.1016/0309-1651(91)90079-X
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
In the presence of radioactive precursors, the addition of Concanavalin A (Con A) to cultures of mononuclear cells (MC) from human blood resulted in marked accumulation in the medium of a protease-resistant proteoglycan (PG) with chondroitin sulfate (CS) chains of an average molecular weight of 28 KDa. This PG was shown to be elaborated primarily by T-cells. The addition of serum was necessary for maximal stimulation with Con A and under these conditions PG accumulation in the medium rose slowly during the first few days of culture and much more rapidly between days 6-8. © 1991.
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页码:25 / 35
页数:11
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