MARK4 and gastric cancer: Additionally, through Kaplan-Meier analysis (http://www.kmplot.com/), it was found that MARK4 high expression was closely associated with unfavorable prognosis in GC patients: patients with high expression of MARK4 had faster first progression (FP), shorter overall survival (OS) time, and post-progression survival (PPS) time (Supplementary Figure S1).