Polypeptide composition with anti-cancer effect and application thereof

The invention provides a polypeptide composition with an anti-cancer effect and application thereof, and particularly relates to the field of medicine preparation. The invention provides a polypeptide composition with an anti-cancer effect. The composition comprises polypeptide and/or medicinal salt of the polypeptide, the polypeptide comprises a targeting polypeptide. The composition disclosed by the invention can be combined with a BRD4ET structural domain, can also effectively inhibit cancer cell proliferation, and has an anti-tumor effect. 本发明提供了一种具有抗癌作用的多肽组合物及其应用，特别涉及药物制备领域。本发明提供了一种具有抗癌作用的多肽组合物，所述组合物包括多肽和/或所述多肽的药用盐；所述多肽包括靶向多肽。本发明所述组合物，能够结合BRD4ET结构域，还能够有效抑制癌细胞扩增，具有抗肿瘤的作用。