Peptides.

摘要

The new peptides of the Formulae (1) Glp-Lys-NH2 (2) Glp-Glu-Lys-NH2 (3) Arg-Lys-Glu-NH2 (4) Arg-Lys-Asp-NH2 (5) Arg-Lys-Glu-OH (6) Arg-Lys-Gln-OH (7) Leu-Val-Ala-OH (8) Arg-Orn-Asp-Val-NH2 (9) Arg-Orn-Asp-Val-OH (10) Lys-Glu-Lys-Lys-OH (11) Lys-Leu-Lys-Lys-OH (12) Lys-Asp-Leu-Lys-OH (13) Glu-Leu-Val-Ala-OH and (14) Leu-Pro-Ala-Gly-OH and acid addition salts thereof inhibit the proliferation of leukaemic cells and exhibit immunostimulant effect.