A peptide having the following amino acid sequence:Z1-LVRYTKKVPQVSTPTL-Z2(ALB-408)and its biologically active fragments and/or variants and/or derivatives, especially amidated, acetylated, sulfated, phosphorylated and/or glycosylated derivatives, and peptides obtainable by multiple synthesis which have the biological activity of ALB408-423;wherein Z represents number of from 0 to 10 amino acid residues.