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In this paper two biological active peptides isolated from lampreys are described and characterized. We found that these peptides are located in the skin and are active on isolated organs and on blood pressure. These two peptides could be separated by chromatographic methods: it could be demonstrated that most of the activity is due to a bradykininlike peptide.

zeitschrift für naturforschung b

Ein biologisch wirksames Peptid aus der Haut der Neunaugen (Eudontomyzon danfordi vladykovi) / A Biological Active Peptide in the Skin of Lampreys (Eudontomyzon danfordi vladykovi)