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Farage Cell Line

General Information
OrganismHomo sapiens, human
Cell Line DescriptionFarage is a B lymphocyte cell line isolated in 1990 from a Caucasian adult female patient with non-Hodgkin B cell lymphoma. The cells lack both T and myeloid surface markers, express B cell surface antigens including CD19, CD20, CD22, HLA-DR, were positive for C3 receptors and EBNA and expressed BCL-2. No immunoglobulin determinants could be demonstrated on the cell surface. When treated with interleukin 4 (IL-4), Farage cells exhibit increased expression of several markers including CD23, CD54, and CD58, along with decreased levels of CD21, CD22, and CD38. This modulation of surface markers suggests a role for IL-4 in influencing B cell behavior and provides a useful model for exploring signaling pathways and regulatory mechanisms in B cells. The response to phorbol 12-myristate 13-acetate (PMA) treatment, which results in the down-regulation of CD21 and CD23, further supports its application in studying kinase-driven signaling in B-cells. Additionally, the presence of Epstein-Barr virus (EBV) in these cells allows for the study of viral interactions with host cell machinery, particularly in the context of lymphocyte oncogenesis.
DiseaseLymphoma; Non-Hodgkin's B Cell
MorphologyLymphoblast
GenderFemale
AgeAdult
Product FormatFrozen
Growth ModeSuspension
Biosafety Level2
Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Applications1. Cancer Research
2. Drug Development and Screening
3. Gene Expression Studies
4. Immunology Studies
5. Biological Pathway Analysis
Shipped InDry ice
Storage Temperature−196°C
Additional InfoThe Farage cells were negative for B cell activation antigens including CD25, CD11b, HC2 and Bly-7. They were strongly positive for both nuclear and cytoplasmic TdT. In addition the TCRγ gene but not the TCRβ was rearranged in one allele and the TCRα was not detected.
Characteristics
KaryotypeTrisomy of chromosome 11
Antigen ExpressionCD10 +/-; CD11a + (LFA-1); CD19 +; CD20 +; CD21 +; CD22 +; CD23 +; CD29 (VLA-4) +; CD38 +; CD39 +; CD40 +; CD44 +; CD54 + (ICAM-1); CD58 + (LFA-3); CD23 -; HLA DR +
Mycoplasma TestNegative
Culture Conditions and Handling
SubculturingCultures can be maintained by adding fresh medium or changing the medium. Alternatively, cultures can be established by centrifugation and resuspending at 3 - 5 x 105 viable cells/mL. Maintain cell density between 3 x 105 and 3 x 106 viable cells/mL.
Medium RenewalAdd fresh medium every 2 to 3 days.
Subcultivation RatioThe ratio of 1:2 to 1:5 is recommended.
Culture Medium90% RPMI 1640 + 10% FBS
Culture ConditionsAtmosphere: Air, 95%; CO2, 5%; Temperature: 37℃
CryopreservationComplete growth medium supplemented with 5% (v/v) DMSO

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* For research use only. Not intended for any clinical use.
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