| 摘要 |
The present invention relates a number of novel peptide sequences which include a spirolactam, bicyclic or tricyclic peptidomimetic unit. The peptides disclosed herein exhibit binding to cardiac tissue and normalize cardiac pressure after administration, as well as diagnostic and therapeutic properties for certain neoplastic tissues. Importantly, these peptides do not release pituitary hormones such as corticotropin (ACTH) and growth hormone (GH), and are therefore devoid of certain unwanted side-effects. These peptides preferably have at least one lysine unit and at least one D-2-alkyl-trptophan unit.
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