CHO Protein-Free Cell Line from Chinese hamster ovary cells

NOTE: Both the cell line and DNA from the cell line may be available for this product. Please choose -1VL or VIAL for cells, or -DNA-5UG for DNA.

• Código UNSPSC: 41106514

Propriedades

• fonte biológica: hamster ovary
• embalagem: tube of 5 μg 00102307-DNA-5UG; pkg of vial of cells 00102307-1VL
• modo de crescimento: Suspension
• cariótipo: Not specified
• morfologia: Suspension
• produtos: Not specified
• receptores: Not specified
• técnica(s): cell culture | mammalian: suitable
• Condições de expedição: dry ice
• temperatura de armazenamento: −196°C

Descrição

Origem de linhagem celular

Chinese hamster ovary

Descrição de linhagem celular

A subclone of the parental CHO line originated by Puck in 1957. The cells have an absolute requirement for L-proline. The cells have been adapted for growth in Sigma CHO Protein Free Medium (C5467). They have been cryopreserved in Sigma Cell Freezing Medium - Serum Free (C2639).

Meio de cultura

Sigma CHO-protein free medium + 4mM Glutamine. Cells should be frozen in either Sigma Cell Freezing Medium - Serum Free (C2639) with 10% DMSO or Sigma CHO Protein Free Medium (C5467) with 7.5%-10% DMSO

Rotina de subcultura

Viability may be poor on resuscitation and may initially decrease further. Full recovery may take up to 2 weeks. A centrifugation step to remove the cryoprotectant is essential. Rapidly thaw the frozen ampoule in a water bath at 37°C for 1-2 minutes. Transfer the contents to a centrifuge tube and slowly add 5-10ml of pre-warmed growth media. Remove a sample for counting. Centrifuge at 100g for 2-3 minutes to pellet cells and seed at a relatively high density of 5-7 x 10⁵ cells/ml. Leave culture flask upright and observe regularly until viable proliferating cells are seen. Once established use a split ratio of 1:2 approximately every 4 to 5 days; 5% CO₂; 37°C.

Outras notas

Additional freight & handling charges may be applicable for Asia-Pacific shipments. Please check with your local Customer Service representative for more information.