“…A pile of literature suggested that parallel to promising anticancer activity of vitamin K3, it has also a strong potential to act as a chemosensitizer for multiple drug‐resistant neoplasms such as colon 26 62 and HTC116 63 cell lines of colon cancer; AN3CA 64,65 cell line of uterine cancer; DU145, 66–68 PC3, 69–71 and LNCaP 71 cell lines of prostate cancer; UC and UMUC‐14 72 cell lines of urothelial cancer; A431 73 cells line of epidermoid carcinoma; 253JB‐V,T24 72,74–77 and RT4 77,78 cell lines of bladder cancer; KB‐V1 79 cell line of cervix carcinoma; MDA‐MB 231 63 and MCF‐7 62,64,71,79–84 cell lines of breast cancer; A172 71 and U87MG 63 cell lines of glioblastoma; CG1 85 cell line of nasopharyngeal carcinoma; MOLT‐4, 86 K562, 87,88 HL‐60, 89 Jurkat, 62,63,90–92 , and CCRF‐CEM, K562 90,63 cell lines of leukemia; TLT 93 and HepG2 82 cell lines of HCC; HeLa 94 cell line of human cervical adenocarcinoma; MRC‐5 82 A549 94,95 and HCT116 96 cell lines of human colorectal carcinoma; RCC and ACHN 82,97 cell lines of renal carcinoma; KB, 64 HSC‐2, HSC‐3, and HGF 89 cell lines of human oral squamous cell carcinoma; MDAH 2774 98 and NCI/ADR‐RES 83 cell lines of ovarian carcinoma; and PANC1 71 cell line of human pancreatic cancer as given in Table 3.…”