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B-hTPBG MC38
Common name
B-hTPBG MC38 Catalog number    311068
Aliases 5T4 Disease  Colon carcinoma
Organism
Mouse
Strain  C57BL/6
Tissue types Colon Tissue  Colon

Description


The mouse Tpbg gene was replaced by human TPBG coding sequence in B-hTPBG MC38 cells. Human TPBG is highly expressed on the surface of B-hTPBG MC38 cells.


Application


B-hTPBG MC38 cells have the capability to establish tumors in vivo and can be used for efficacy studies.



Targeting strategy

Gene targeting strategy for B-hTPBG MC38 cells. The exogenous promoter and human TPBG coding sequence was inserted to replace part of murine exon 2. The insertion disrupts the endogenous murine Tpbg gene, resulting in a non-functional transcript.

Protein expression analysis 

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TPBG expression analysis in B-hTPBG MC38 cells by flow cytometry. Single cell suspensions from wild-type MC38 and B-hTPBG MC38 cultures were stained with species-specific anti-TPBG antibody. Human TPBG was detected on the surface of B-hTPBG MC38 cells but not wild-type MC38 cells. The 2-C06 clone of B-hTPBG MC38 cells was used for in vivo experiments.

Tumor growth curve & Body weight changes


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Subcutaneous homograft tumor growth of B-hTPBG MC38 cells. B-hTPBG MC38 cells (5x105) and wild-type MC38 cells (5x105) were subcutaneously implanted into C57BL/6N mice (female, 7-week-old, n=5). 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-hTPBG MC38 cells were able to establish tumors in vivo and can be used for efficacy studies.

Protein expression analysis of tumor cells


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B-hTPBG MC38 cells were subcutaneously transplanted into C57BL/6 mice (n=5). At the end of the experiment, tumor cells were harvested and assessed for human TPBG expression by flow cytometry. As shown, human TPBG was highly expressed on the surface of tumor cells. Therefore, B-hTPBG MC38 cells can be used for in vivo efficacy studies of novel TPBG therapeutics.


Tumor growth curve & Body weight changes

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Subcutaneous homograft tumor growth of B-hTPBG MC38 cells. B-hTPBG MC38 cells (5x105, 1x106, 5x106) and wild-type MC38 cells (5x105) were subcutaneously implanted into B-hCD3E mice (female, 8-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-hTPBG MC38 cells were able to establish tumors in vivo and can be used for efficacy studies.



Tumor growth curve & Body weight changes


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Subcutaneous homograft tumor growth of B-hTPBG MC38 cells. B-hTPBG MC38 cells and wild-type MC38 cells were subcutaneously implanted into B-h4-1BB mice (female, 7-week-old, n=6). Tumor volume and body weight were measured twice a week. (A) Average tumor volume. (B)  Body weight. Volume was expressed in mm3 using the formula: V=0.5 X long diameter X short diameter2. As shown in panel A, B-hTPBG MC38 cells were able to establish tumors in vivo and can be used for efficacy studies. Values are expressed as mean ± SEM.