A kind of culture medium and culture method of gastric cancer organoids
A culture medium and organoid technology, applied in the field of biomedicine, can solve the problems of few researches and reports on gastric cancer tumor organoid culture methods, and few reports on organoid culture medium formula, so as to reduce the risk of microbial contamination and reduce the risk of cell Toxicity and Inhibitors, Effects to Increase Success and Survival
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Embodiment 1
[0038] This embodiment provides a culture medium for gastric cancer organoids, including basal medium 1640, specific additive factors and sterile water; wherein, the mass ratio of the basal medium 1640 to the sterile water is: 99:1 The specific addition factors include: vitamin A-free B27, 1×; N-acetylcysteine, 2 μM; EGF, 50ng / ml; Noggin, 200ng / ml; R-spondin 1, 200ng / ml; Wnt3a, 100ng / ml ml; CHIR99021, 5μM; thiazovivin, 2μM; Gastrin I, 20ng / ml; The concentration of each component of the additive factor is based on its concentration in the mixture of basal medium 1640 and sterile water.
Embodiment 2
[0040] This embodiment provides a culture medium for gastric cancer organoids, including basal medium 1640, specific additive factors and sterile water; wherein, the mass ratio of the basal medium 1640 to the sterile water is: 99:1 The specific addition factors include: vitamin A-free B27, 2×; N-acetylcysteine, 1 μM; EGF, 80ng / ml; Noggin, 150ng / ml; R-spondin 1, 400ng / ml; Wnt3a, 150ng / ml ml; CHIR99021, 5μM; thiazovivin, 2μM; Gastrin I, 25ng / ml; The concentration of each component of the additive factor is based on its concentration in the mixture of basal medium and sterile water.
Embodiment 3
[0042]This embodiment provides a culture medium for gastric cancer organoids, including basal medium 1640, specific additive factors and sterile water; wherein, the mass ratio of the basal medium 1640 to the sterile water is: 99:1 The specific addition factors include: vitamin A-free B27, 1.5×; N-acetylcysteine, 4.5 μM; EGF, 80ng / ml; Noggin, 250ng / ml; R-spondin 1, 150ng / ml; Wnt3a, 150ng / ml; CHIR99021, 2.5μM; thiazovivin, 2.5μM; Gastrin I, 40ng / ml; Valproic acid, 1.5mM; penicillin-streptomycin mixed solution, 2×; mg / ml; the concentration of each component of the above-mentioned specific addition factor is based on its concentration in the mixture of basal medium and sterile water.
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