Diagnostic or therapeutic somatostatin or bombesin analog conjugates and uses thereof
申请人:Coy H. David
公开号:US20050070470A1
公开(公告)日:2005-03-31
Disclosed are peptide agents and uses thereof that are analogs of biologically active peptides such as somatostatin and bombesin. The compounds of the invention have the general formula X-Y-Z-Q, where X is a cytotoxic agent, therapeutic agent, detectable label or chelating group, and Q is a biologically active peptide. In peptide agents of the invention Y is optionally a hydrophilic polymer or peptide, and Z is a linking peptide bonded to Q at the amino terminus of Q, having two, three, four, or five, amino acid residues selected to link X to Q, while retaining the biological activity of Q. Methods of using these peptide agents in the diagnosis and treatment of diseases are also disclosed.
披露了肽剂及其用途,它们是生物活性肽的类似物,例如生长抑素和蛙皮素。发明的化合物具有通式X-Y-Z-Q,其中X是细胞毒素、治疗剂、可检测的标签或螯合基团,Q是生物活性肽。在发明的肽剂中,Y是可选的水溶性聚合物或肽,Z是与Q的氨基端连接的连接肽,具有两个、三个、四个或五个氨基酸残基,选择将X连接到Q,同时保留Q的生物活性。还披露了使用这些肽剂在疾病的诊断和治疗中的方法。