CHO/dhFr-

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, 94060607, hamster ovary, Epithelial

• 分類程式碼代碼: 41106514

属性

• 生物源: hamster ovary
• 包裝: tube of 5 μg 94060607-DNA-5UG; pkg of vial of cells 94060607-1VL
• 增長模式: Adherent
• 染色體組型: Modal no. 20
• 形態學: Epithelial
• 產品: Not specified
• 受體: Not specified
• 技術: cell culture | mammalian: suitable
• 運輸包裝: dry ice
• 儲存溫度: −196°C

说明

細胞系來源

Hamster Chinese ovary

細胞系描述

The CHO/dhFr- cell line lacks the enzyme dihydrofolate reductase (DHFR) which is necessary for purine synthesis. In the absence of exogenous purines, this enzyme is required for growth. Hence the CHO/dhFr- cell line has growth requirements for hypoxanthine (or adenine), glycine and thymidine. However, the cells will continue to grow without the addition of hypoxanthine and thymidine because the cells can obtain sufficient from the medium. α MEM minus does not contain the ribonucleosides or the deoxyribonucleosides, and will not support the growth of CHO/dhFr- or its serum free adaptation as neither contains the gene to produce DHFR. (See attached data sheet).

應用

CHO/dhFr- has been used to study the relation between local chromatin mobility and transcriptional activity. It has also been used as a transfection lineage and also as a negative control in cytofluorometry experiments.

培養基

IDMEM + 2mM Glutamine + 0.1mM Hypoxanthine + 0.01mM Thymidine + 10% Foetal Bovine Serum (FBS).

例行更新培養

Split sub-confluent cultures (70-80%) 1:4 to 1:6 i.e. seeding at 2-4x10,000 cells/cm² using 0.25% trypsin/EDTA; 5% CO₂; 37°C

其他說明

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