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Title: Effects of peptides cleaved from human fibrinogen by plasmin on rabbit kidney cells in culture

Journal Article · · Thromb. Res.; (United States)

Low molecular weight fibrinogen degradation products (LMW-FDP) containing a mixture of dialysable peptides cleaved from human fibrinogen by plasmin are cytotoxic to an established line of rabbit kidney cells and to primary cultures of rabbit kidney cells. The presence of LMW-FDP in a concentration of 50 micrograms/ml during the cell cultivation caused a considerable release of /sup 51/Cr from prelabelled cells and inhibited /sup 3/H-thymidine and /sup 86/Rb uptake. Among three isolated peptides of established primary structure only one, 6D: Ser-Gln-Leu-Gln-Lys-Val-Pro-Pro-Glu-Trp-Lys, induced a significant effect, i.e. it enhanced /sup 3/H-thymidine incorporation. Two others, 6A: Ala-Arg-Pro-Ala-Lys and 6E: Thr-Ser-Glu-Val-Lys, did not influence the examined parameters. Hence other components of LMW-FDP must be assumed to be responsible for the cytotoxic effect on kidney cell cultures.

Research Organization:
Inst. of Rheumatology, Warsaw, Poland
OSTI ID:
5022339
Journal Information:
Thromb. Res.; (United States), Vol. 29:4
Country of Publication:
United States
Language:
English