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7.. After the cells are visibly v detacched, imme ediately add d the pre-w warmed OriCellTM Mouse MSC Growth Medium (6 6 mL for T7 75 flask, 3 mL m for T25 flask) to e the trypsinization. neutralize 8.. Gently piipette the medium m ove er the cells to dislodge e and resusspend the cells. c Repeat 5-6 times un ntil all the ccells are dis ssociated frrom the fla ask and eve enly d into a single cell susspension. dispersed 9.. Transfer the dissocia ated cells in nto a 15 mL m conical tu ube. 10 0. Centrifug ge at 250 x g for 5 min nutes. 11 1. Carefully aspirate off as much of the supe ernatant as s possible. T 12 2. Add 2 mL L of OriCellTM Mouse M MSC Growth h Medium to the coniccal tube and d gently re esuspend th he cells tho roughly. 13 3. Plate the cells into appropriate ain C57BL//6 Mouse a e flasks. OriCellTM Stra FP can be sp plit at 1:2 o or other ap ppropriate ratios. r MSCs/GF 14 4. Add an appropriate amount off medium to o the cells. Incubate tthe cells att 37°C 5 CO2 hu umidified in cubator. inside a 5% N Note: Care should be taken t to av void introdu ucing bubbles during pipetting. Additional Tips Tiime to Cha ange Mediium It is recomm mended to change c the culture me edium if the ere are too many dead d cells affter passaging. It is recomm mended to change c the culture me edium when never the m medium bec comes ac cidic, even if the cells do not rea ch 80-90% % confluency y. The pH iindicator in the cu ulture medium will app pear yellow w when acid dic. Tiime to Sub bculture W When OriCelllTM Strain C57BL/6 C Mo ouse MSCs//GFP are 80-90% con nfluent, it is re ecommende ed that the e cells be su ubcultured.. Do not lett the cells o overgrow as s it will re esult in contact inhibition. OriCellTTM Strain n C57BL/6 Mous se MSCs s DIFFERENTIA ATION USING T TM OriCell DIFFE ERENTIA ATION M MEDIA ain C57BL//6 Mouse M SCs/GFP ca an differenttiate into a variety of cell OriCellTM Stra ypes including osteocy ytes, adipoccytes, and chondrocyt c tes. ty O Osteogenic Differen ntiation M Materials Required R OriCellTM Mes senchymal Stem Cell O Osteogenic c Differentia ation Mediu um (Cat. No o. UXMX-9002 21) GU IMPI0073A2 M MUBMX-01101 Page 7 of 14