
β-Carotene synergistically enhances the anti-tumor effect of 5-fluorouracil on esophageal squamous cell carcinoma in vivo and in vitro
Keywords: 5-FU; 5-fluorouracil; ESCC; esophageal squamous cell carcinoma; THF; tetrahydrofuran; CCK-8; 2-(2-4-nitro phenyl methoxy-) 3-(4-nitro phenyl)-5-(2, 4-disulfonic acid benzene)-2Â h-tetrazolium monosodium salt; EdU; 5-ethynyl-2â²-deoxyuridine; PBS; phospha