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運輸方式：凍存運輸
細(xì)胞類型：B淋巴細(xì)胞
是否是腫瘤細(xì)胞：1
物種來源：人
生長狀態(tài)：懸浮生長
ATCC Number：CRL-1923?
相關(guān)疾?。浩渌膊?br /> 細(xì)胞形態(tài)：淋巴樣
免疫類型：IgM
年限：3 years
數(shù)量：大量
規(guī)格：100 ul Designations: Ramos.2G6.4C10
Depositors: ?JP Siegel
Isotype: IgM
Biosafety Level:1
Shipped: frozen
Medium & Serum: See Propagation Growth Properties:suspension
Organism: Homo sapiens
Morphology:lymphoblast


Source: Disease: Burkitt's lymphoma (American)
Cell Type: B lymphocyte;
Cellular Products:immunoglobulin (surface and secreted)
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.
Receptors:interleukin 4 (IL-4); low affinity IgE (CD23)
Antigen Expression:CD23 +
DNA Profile (STR):Amelogenin: X
CSF1PO: 10,11
D13S317: 13
D16S539: 10,13
D5S818: 7,12
D7S820: 11
THO1: 7,9.3
TPOX: 8,9
vWA: 15,16
Age: 3 years
Gender: male
Ethnicity: Caucasian
Comments:This line was derived from the Ramos (RA-1) cell line (see ATCC CRL-1596 ) by repetitive cloning with selection for low constitutive expression of CD23 and maximum stimulation of CD23 expression by IL-4.
Both the parental line (ATCC CRL-1596 )and the derivative cell line Ramos.2G6.4C10 (ATCC CRL-1923) have about 1500 IL-4 binding sites per cell. [23389 ]
Ramos.2G6.4C10 cells provide a sensitive and specific assay system for IL-4 that is insensitive to the presence of other lymphokines.
And cytokines such as interleukins (IL-2, IL-2 and IL-6), colony stimulating factors (G-CSF, M-CSF and GM-CSF) and interferons alpha and gamma (IFN alpha, IFN gamma).
Tumor necrosis factors alpha and beta (TNF alpha, TNF beta) cause only minor interference.
The assay is sensitive to IL-4 concentrations in the range 50 to 800 pg/ml.
Propagation: ATCC complete growth medium: The base medium for this cell line is ATCC-formulated RPMI-1640 Medium, Catalog No. 30-2001. To make the complete growth medium, add the following components to the base medium: fetal bovine serum to a final concentration of 10%.
Temperature: 37.0°C
Subculturing: Protocol: Cultures can be maintained by addition or replacement of fresh medium. Establish new cultures at 5 X 10 exp5 viable cells/ml and maintain between 1 and 2 X 10 exp6 cells/ml.
Medium Renewal: Add fresh medium every 4 to 6 days (depending on cell density)
Preservation: Freeze medium: Complete growth medium, 92.5%; DMSO, 7.5%
Storage temperature: liquid nitrogen vapor temperature
Related Products:Recommended medium (without the additional supplements or serum described under ATCC Medium):ATCC 30-2001
recommended serum:ATCC 30-2020
parental cell line:ATCC CRL-1596
References: 22747: Klein G, et al. An EBV-genome-negative cell line established from an American Burkitt lymphoma; receptor characteristics. EBV infectibility and permanent conversion into EBV-positive sublines by in vitro infection. Intervirology 5: 319-334, 1975. PubMed: 181343
23389: Siegel JP, Mostowski HS. A bioassay for the measurement of human interleukin-4. J. Immunol. Methods 132: 287-295, 1990. PubMed: 1698879
23468: Rousset F, et al. Regulation of Fc receptor for IgE (CD23) and class II MHC antigen expression on Burkitt's lymphoma cell lines by human IL-4 and IFN-gamma. J. Immunol. 140: 2625-2632, 1988. PubMed: 2965726