Retraction Note: Antitumour activity of the recombination polypeptide GST-NT21MP is mediated by inhibition of CXCR4 pathway in breast cancer2026-08-140 PRE AI QQ. Yang FF. Zhang YY. Ding JJ. Huang SS. Chen QQ. Wu ZZ. Wang *CC Chen DOI:10.1038/s41416-026-03584-xOriginalOriginal request for helpShareSaveAbstract En