An editorial decision has been made to retract this manuscript due to breach of publishing guidelines, following the identification of non-original and manipulated figures. Reference: Liu Li, Lu Huizhi, Wang Binu, Deng Xinxin, Wu Longjun, Yang Liping, Zhang Yingying. Anticancer Activity of Mukonal Against Human Laryngeal Cancer Cells Involves Apoptosis, Cell Cycle Arrest, and Inhibition of PI3K/AKT and MEK/ERK Signalling Pathways. Med Sci Monit, 2018; 24: 7295-7302. DOI: 10.12659/MSM.910702.