Human liver cancer cells|BNCC337690 |BNCC

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Human liver cancer cells

Culture medium	DMEM-H complete medium: 90% DMEM-H + 10% FBS
Subculture procedure	Recovery steps: ① Take the frozen vial out of the liquid nitrogen or -80°C refrigerator, put it in PE gloves, quickly immerse it in a 37°C water bath, and shake the frozen vial to accelerate the dissolution, preferably all for 1 minute; (2) Put the dissolved cell solution into a centrifuge tube containing 9 ml of complete medium in an ultra-clean table, centrifuge at 1000-1200 rpm for 5 min, discard the supernatant, resuspend the cells with 1-2ml of complete media. (3) The cell suspension was added to a T25 flask containing 5-6 ml of complete medium, and cultured in an incubator. Cell subculturing: ①suck out the old culture solution, rinse twice with PBS, add 1-2mL trypsin (0.25% trypsin + 0.02% EDTA); (2) observe the digestion under a microscope. When the cell edges shrinks and adherent is loose ( a pipette can be used to suck up some pancreatin and gently blow somewhere in the cell layer, the cell layere can be seen to dettach with naked eyes, i.e. digestion is completed, otherwise digestion is continued), directly suck out pancreatin, add 5-6 ml of complete medium, gently blow the cell layer off. (3) dispense the cell suspension into a fresh T25 flask at a ratio of 1:2, add an appropriate complete medium, make the cell suspension well distributed, and culture in an incubator. ④ Pay attention to the changes of pH value of the medium and cell density, change the medium regularly (2-3 times a week), repeat the subculture or cryopreservation when the cell density reaches 80%-90%.
Growth conditions	37 ℃;5% CO2 + 95% air;
Growth characteristics	Adherent growth
Storage conditions	Liquid nitrogen
Safety level	1
morphology	Epithelial cell-like, irregularly shaped, with irregular margin, monolayer adherent growth, clean background
Sharing mode	Public welfare sharing

Huh-7 human liver cancer cells

Adherence, epithelial cell-like

No. : 337690

Culture :37 ℃,5% CO₂ CM1-1 culture solution

Product format: 2ml frozen vial x 2, or T25 flask x 1

Biosafety level : 1 , handle in ultra-clean table or safety cabinet

Receiving notice: if any abnormality is found on the day of receipt, please contact the customer service within 24 hours. If it is overdue, it is deemed that the cells are well. For the frozen cells, it shall be stored in the refrigerator at -80 ℃ upon arrival. If they are not used for a long time, they shall be transferred to liquid nitrogen for storage overnight. Recovered cells in T25 culture flask, upon receipt, put the culture flask in the incubator for 4h, and then carry out handling procedure. During recovery, each vial shall be used up once and shall not be retained. After recovery, the cells can be passed on to the next generation and can be used normally. Please operate in strict accordance with this instruction, otherwise the replacement of cells are not be available in case of loss of cell viability.

Growth conditions :37 ℃,5% CO₂,CM1-1 culture solution. CM1-1 culture solution: 90% DMEM-H + 10% FBS. DMEM-H:DMEM high sugar culture solution, containing glutamine and sodium pyruvate.

Recovery steps:
(1)Prepare a new 100mm culture dish containing 12ml of the above culture medium;
remove the frozen vial from liquid nitrogen or refrigerator at -80℃, thaw the vial in 37°C water bath for 1-2 minutes. Transfer the vial to biosafety cabinet for culture as soon as the contents are completely thawed.
(2)Draw the solution with a sterile pipette, drip into a new culture dish, and mix it evenly by shaking clockwise;
(3) Put it into incubator (37℃，5%CO₂）, change the media overnight, and it will grow up in 3-5 days.

Subculture/ cryopreservation: remove old medium, and rinse twice with PBS, add 2ml of 0.25%Trypsin+0.02%EDTA, do not shake the culture dish during the period. Observed under the microscope, remove most of the trypsin(with 0.5ml left) when the cells detach. transfer it to the incubator for digestion about 1minute, and take it out.

(1) Subculture: terminate digestion with 6ml of CM1-1 culture media, aspirate and dispense into 3~6 culture dishes.

(2) Cryopreservation: terminate digestion with 3ml of cryopreservation solution （90%FBS+10%DMSO), aspirate and dispense into 3 frozen vials, and cryopreserve at -80 ℃ with a programmed cooling box.

Recovery record: According to the recovery instructions, the results of the cell recovery are reported as follows:

item	quality standard	recovery record
viability	adherence is observed in 18 hours, the cell adherence rate ≥ 80.0% in 96hours	adherence is observed in 18 hours, the cell adherence rate ≥ 80.0% in 90hours
cell morphology	adherent, epithelial cell-like	in CM1-1 culture solution, adherent, epithelial cell-like, polygonal, closely arranged
attached figure
conclusion	good viability, and no abnormal cell morphology, qualified

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