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B-hCD20 EL4
Common name
B-hCD20 EL4 Catalog number    310717
Aliases MS4A1, Bp35, CVID5 Disease  Lymphoma
Organism
Mouse Strain  C57BL/6N
Tissue types Lymphoma Tissue  T lymphocyte

Description


The human CD20 coding sequence was inserted into the ROSA26 locus in EL4 cells. Human CD20 is highly expressed on the surface of B-hCD20 EL4 cells.


Application


B-hCD20 EL4 cells have the capability to establish tumors in vivo and can be used for efficacy studies.


Targeting strategy


Gene targeting strategy for B-hCD20 EL4 cells. The exogenous promoter and human CD20 coding sequence was inserted into the ROSA26 locus in murine.


Protein expression analysis



CD20 expression analysis in B-hCD20 EL4 cells by flow cytometry. Single cell suspensions from wild-type EL4 and B-hCD20 EL4 cultures were stained with species-specific anti-CD20 antibody. Human CD20 was detected on the surface of B-hCD20 EL4 cells but not wild-type EL4 cells. The 2-E06 clone of B-hCD20 EL4 cells was used for in vivo experiments.

Tumor growth curve & Body weight changes



Subcutaneous homograft tumor growth of B-hCD20 EL4 cells. B-hCD20 EL4 cells (2x105) and wild-type EL4 cells (2x105) were subcutaneously implanted into C57BL/6N mice (female, 6-9-week-old, n=6). Tumor volume and body weight were measured twice a week. (A) Average tumor volume ± SEM. (B)  Body weight (Mean± SEM). Volume was expressed in mm3 using the formula: V=0.5 X long diameter X short diameter2. As shown in panel A, B-hCD20 EL4 cells were able to establish tumors in vivo and can be used for efficacy studies.Animals with tumor volume over 3000mm3 in the control group were euthanized.