The invention relates to metastin derivatives represented by the formula: X-AA
1
-AA
2
-AA
3
-AA
4
-Z (I), or a salt thereof, or a pro-drug thereof, which have cancer metastatis suppressing activity and cancer proliferation suppressing activity. The invention also relates to the use of these derivatives as drugs for preventing or treating cancers.
本发明涉及由式表示的转移素衍
生物:X-
AA
1
-
AA
2
-
AA
3
-
AA
4
-Z(I),或其盐,或其原药,具有抑制癌症转移活性和抑制癌症增殖活性。本发明还涉及将这些衍
生物用作预防或治疗癌症的药物。