B-hEPCAM LLC1

• 322009

订购产品
B-hEPCAM LLC1

• 322009

订购产品

B-hEPCAM LLC1

Product nameB-hEPCAM LLC1
Catalog number322009
Strain backgroundC57BL/6
NCBI gene ID4072 (Human)
AliasesDIAR5; EGP-2; EGP314; EGP40; ESA; HNPCC8; KS1/4; KSA; M4S1; MIC18; MK-1; TACSTD1; TROP1; EPCAM
TissueLung
DiseaseLewis lung carcinoma
SpeciesMouse
ApplicationB-hEPCAM LLC1
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  • Description
  • Targeting strategy
  • Phenotypic analysis
  • Tumorigenicity

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Description

The mouse Epcam gene was replaced by human EPCAM coding sequence in B-hEPCAM LLC1 cells. Human EPCAM is highly expressed on the surface of B-hEPCAM LLC1 cells.

Targeting strategy
Gene targeting strategy for B-hEPCAM LLC1 cells. The exogenous promoter and human EPCAM coding sequence was inserted to replace part of murine exon 4 and all of exons 5~7. The insertion disrupts the endogenous murine Epcam gene, resulting in a non-functional transcript.
Protein expression analysis
EPCAM expression analysis in B-hEPCAM LLC1 cells by flow cytometry. Single cell suspensions from wild-type LLC1 and B-hEPCAM LLC1 cultures were stained with species-specific anti-EPCAM antibody. Human EPCAM was detected on the surface of B-hEPCAM LLC1 cells but not wild-type LLC1 cells. The 1-B12 clone of B-hEPCAM LLC1 cells were used for in vivo experiments.
Protein expression analysis of tumor cells
B-hEPCAM LLC1 cells were subcutaneously transplanted into C57BL/6 mice (n=6). At the end of the experiment, tumor cells were harvested and assessed for human EPCAM expression by flow cytometry. As shown, human EPCAM was highly expressed on the surface of tumor cells. Therefore, B-hEPCAM LLC1 cells can be used for in vivo efficacy studies of novel EPCAM therapeutics.
Tumor growth curve & Body weight changes

Subcutaneous homograft tumor growth of B-hEPCAM LLC1 cells. B-hEPCAM LLC1 cells (2x105) and wild-type LLC1 cells (2x105) were subcutaneously implanted into C57BL/6 mice (female, 11-week-old, n=6). Tumor volume and body weight were measured thrice 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-hEPCAM LLC1 cells were able to establish tumors in vivo and can be used for efficacy studies.

Tumor growth curve of individual mice

B-hEPCAM LLC1 tumor growth of individual mice. B-hEPCAM LLC1 cells (2x105) and wild-type LLC1 cells (2x105) were subcutaneously implanted into C57BL/6 mice (female, 11-week-old, n=6). As shown in panel, B-hEPCAM LLC1 cells were able to establish tumors in vivo and can be used for efficacy studies.