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Fibronectin and fibrinogen degradation products stimulate PMN-leukocyte and mast cell degranulation

100%

Wojtecka-Lukasik E. , Maslinski S.

nr 2

The ability of various peptides cleaved by plasmin from human fibrinogen and fibronectin or fibrinogen- and fibronectin- related synthetic peptides to induce histamine release from mast cells and collagenase and elastase from PMN- leukocytes was examined. Low molecular weight fibrinogen degradation products showed dose dependent secretion of collagenase. These peptides (mol. wt. 1.4 kD) at the concentration of 10⁻⁵ M released about 47% of collagenase and 13% of elastase. Synthetic fib- rinopeptides A and В had a similar strong collagenase releasing potency and also released histamine from mast cells. Peptides from plasmin digestion of fibronectin containing cell attachment site with sequence Arg-Gly-Asp-Ser and also synthetic peptide reproducing this aminoacid sequence at the concentration of 1000 µg/ml released about 50% of collagenase and 55% of elastase from PMN-leukocytes. Moreover peptides containing cell attachment and gelatin binding site induced histamine release from mast cells. The association of fibrinogen and fibronectin degradation with activation of mast cells may motivate the treatment with antihistaminic drugs of all pathological conditions where the intensive protein degradation takes place.

Stimulation of the human neutrophil respiratory burst by IL-15

80%

Wojtecka-Lukasik E. , Maslinski W. , Maslinski S.

tom 48

nr 2

Some properties of elastin degradation products

71%

Ksiezny S. , Ardelt W. , Budzynski A. Z. , Niedzwiecka-Namyslowska I. , Wojtecka-Lukasik E.

tom 12

nr 4

Are histamine H1 receptors involved in ischaemia-reperfusion injury in rat heart ?

41%

Dzierzkowska J. , Witanowska A. , Wojtecka-Lukasik E. , Dron T. , Moutiris J. A. , Gujski M. , Poppe P. , Prejbisz H. H. , Gajewska J. , Gajewski M. , Maslinski S.

Journal of Physiology and Pharmacology

1994

tom 45

nr 4