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MESC 16

11120811, mouse embryo, Adherent monolayer of spheroidal cells.

別名:

MESC-16, MESC16

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About This Item

UNSPSCコード:
41106514
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製品名

MESC 16, 11120811

由来生物

mouse embryo

成長モード

Adherent

核型

diploid

形態

Adherent monolayer of spheroidal cells.

受容体

Not specified

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細胞株の由来

Mouse embryonic stem cell

細胞株の説明

The germ-line competent cell line MESC 16 was established from the inner cell mass of a 3.5 day pre-implantation mouse embryo (strain 129/Olac). These pluripotent cells retain the ability to participate in normal embryonic development. Differentiation of the cells is inhibited by Leukaemia Inhibiting Factor (LIF). Addition of LIF allows culture without the use of a feeder layer.

DNAプロファイル

特記事項なし

培地

MEF medium consists of DMEM/F12, 10% FBS, 2 mM L-Glutamine (G7513) and 0.1 mM 2-Mercaptoethanol (M6250). KSR medium consists of DMEM, 20% Serum Replacer, 2 mM L-Glutamine (G7513), NEAA, 0.1 mM 2-Mercaptoethanol (M6250) and 1000 Units/ml LIF.

継代と培養方法

The MESC lines can be grown without the use of mitotically inactivated feeder cells (Brown et al., 1992 PMID: 1483967). However, the cells supplied by Sigma have been grown on mitomycin treated primary mouse embryonic fibroblasts to ensure the cells are maintained in an undifferentiated state. Mouse embryonic fibroblasts, STO (Sigma product number 86032003) or SNL 76/7 (Sigma product number 07032801) can be used. At ECACC plastic ware is pre-coated with gelatine prior to plating feeder cells. Porcine gelatine (Sigma G1890) is dissolved in sterile water (0.5 g/500 ml) at 56◦C. The 0.1% solution is sterilized by filtration (0.22 μm). Add 0.1% gelatine to plastic ware to cover bottom, and incubate for 20 minutes at room temperature. Remove gelatine, wash with PBS once and replace with appropriate culture medium. The flask/dish must not be allowed to dry out. Feeder layers are prepared on the gelatinized flasks at least 24 hours in advance of being required. An ampoule is thawed in 37 °C water bath and the contents quickly transferred to a 15 ml centrifuge tube. MEF medium is added drop wise to 5 ml. Cells are centrifuged at 150 x g for 5 minutes at Room Temperature (RT). Cells are resuspended in 5 ml of MEF medium. Cells are counted and added to flasks containing the correct medium at 1-3 x 104 cells/cm2.An ampoule of ES cells is thawed in 37 °C water bath and the contents quickly transferred to a 15 ml centrifuge tube. KSR medium is added drop wise to 5 ml. Cells are centrifuged at 150 x g for 5 minutes. Cells are resuspended in 5 ml of KSR medium. The prepared feeder flask is washed once with PBS and KSR medium added. ES cells should be plated at 4-5 x 104 cells/cm2. Cultures must be incubated in a humidified 5% CO2/95% air incubator at 37 °C. A 100% media change must be performed every day and cells passaged every 2-3 days. Colonies must not be allowed to touch each other as overgrowth will result in differentiation.

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