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是否是腫瘤細(xì)胞：0
物種來(lái)源：小鼠
數(shù)量：大量
生長(zhǎng)狀態(tài)：貼壁生長(zhǎng)
品系：LAF1
器官來(lái)源：其他
運(yùn)輸方式：凍存運(yùn)輸
ATCC Number：CRL-1795?
相關(guān)疾病：腫瘤
細(xì)胞形態(tài)：其他
規(guī)格：0.5mg Designations: AtT-20/D16v-F2
Depositors: ?RB Kelly
Biosafety Level:1
Shipped: frozen
Medium & Serum: See Propagation Growth Properties:loosely adherent
Organism: Mus musculus
Morphology:small rounded cells


Source: Organ: pituitary, anterior
Strain: LAF1
Disease: tumor
Cellular Products:adrenocorticotropic hormone (ACTH)
Permits/Forms:In addition to the MTA mentioned above, other ATCC and/or regulatory permits may be required for the transfer of this ATCC material. Anyone purchasing ATCC material is ultimately responsible for obtaining the permits. Please click here for information regarding the specific requirements for shipment to your location.
Comments:The F2 subclone of AtT-20 (see ATCC CCL-89 ) was developed by B. Gumbiner.
This clone has been been used successfully by Moore et al. for several DNA mediated transfection studies relating to endocrine and exocrine secretory pathways.
The cells are readily transfected using a standard calcium phosphate protocol.
Tested and found negative for ectromelia virus (mousepox).
Propagation: ATCC complete growth medium: The base medium for this cell line is ATCC-formulated Dulbecco's Modified Eagle's Medium, Catalog No. 30-2002. To make the complete growth medium, add the following components to the base medium: fetal bovine serum to a final concentration of 10%.
Atmosphere: air, 95%; carbon dioxide (CO2), 5%
Temperature: 37.0℃
Subculturing: Protocol:
Cells grow in patches and pile up. Cultures do not become confluent.
Volumes used in this protocol are for 75 sq cm flasks; proportionally reduce or increase amount of dissociation medium for culture vessels of other sizes.

1. Remove and discard culture medium.
2. Briefly rinse the cell layer with Ca++/Mg++ free Dulbecco's phosphate-buffered saline (D-PBS) or 0.25% (w/v) Trypsin - 0.53 mM EDTA solution to remove all traces of serum which contains trypsin inhibitor.
3. Add 2.0 to 3.0 ml of Trypsin-EDTA solution to flask and observe cells under an inverted microscope until cell layer is dispersed (usually within 5 minutes).
   Note: Extreme care must be taken to prevent the cells from clumping. Carefully follow the subcultivation protocol .do not over trypsinize . The cells will slough if the pH of the medium becomes too acidic (lower than 7.5).
4. Add 6.0 to 8.0 ml of complete growth medium and aspirate cells by gently pipetting.
5. Transfer cell suspension to a centrifuge tube and spin at approximately 125 xg for 5 to 10 minutes. Discard supernatant.
6. Resuspend the cell pellet in fresh growth medium. Add appropriate aliquots of the cell suspension to new culture vessels.
7. Incubate cultures at 37C.

Subcultivation Ratio: A subcultivation ratio of 1:3 to 1:5 is recommended
Medium Renewal: Three times weekly
Preservation: Freeze medium: Complete growth medium supplemented with 5% (v/v) DMSO
Storage temperature: liquid nitrogen vaor phase
Related Products:Recommended medium (without the additional supplements or serum described under ATCC Medium):ATCC 30-2002
Recommended serum: ATCC 30-2020
parental cell line: ATCC CCL-89
0.25% (w/v) Trypsin - 0.53mM EDTA in Hank's BSS (w/o Ca++, Mg ++): ATCC 30-2101
Phosphate-buffered saline: ATCC 30-2200
Cell culture tested DMSO: ATCC 4-X
References: 22306: Gumbiner B, Kelly RB. Two distinct intracellular pathways transport secretory and membrane glycoproteins to the surface of pituitary tumor cells. Cell 28: 51-59, 1982. PubMed: 6279313
22624: Moore HP, et al. Expressing a human proinsulin cDNA in a mouse ACTH-secreting cell. Intracellular storage, proteolytic processing, and secretion on stimulation. Cell 35: 531-538, 1983. PubMed: 6317196
22798: Burgess TL, et al. The exocrine protein trypsinogen is targeted into the secretory granules of an endocrine cell line: studies by gene transfer. J. Cell Biol. 101: 639-645, 1985. PubMed: 2991303
23251: Buonassisi V, et al. Hormone-producing cultures of adrenal and pituitary tumor origin. Proc. Natl. Acad. Sci. USA 48: 1184-1190, 1962. PubMed: 13874682
32927: Stefana B, et al. Leukemia inhibitory factor induces differentiation of pituitary corticotroph function: an immuno-neuroendocrine phenotypic switch. Proc. Natl. Acad. Sci. USA 93: 12502-12506, 1996. PubMed: 8901611