Basic Information
Description
The human CLDN18.2 coding sequence was inserted into the ROSA26 locus in MC38 cells. Human CLDN18.2 is highly expressed on the surface of B-hCLDN18.2 MC38 cells.
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Application
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B-hCLDN18.2 MC38 cells have the capability to establish tumors in vivo and can be used for efficacy studies.
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Target strategy
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The exogenous promoter and human CLDN18.2 coding sequence was inserted into the ROSA26 locus in murine.
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Protein expression analysis
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CLDN18.2 expression analysis in B-hCLDN18.2 MC38 cells by flow cytometry. Single cell suspensions from wild-type MC38 and B-hCLDN18.2 MC38 cultures were stained with species-specific anti-CLDN18.2 antibody. Human CLDN18.2 was detected on the surface of B-hCLDN18.2 MC38 cells but not wild-type MC38 cells. The 1-F6 clone of B-hCLDN18.2 MC38 cells was used for in vivo experiments.
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Tumor growth curve
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Subcutaneous homograft tumor growth of B-hCLDN18.2 MC38 cells. B-hCLDN18.2 MC38 cells (5×105) and wild-type MC38 cells (5×105) were subcutaneously implanted into C57BL/6 mice (female, 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-hCLDN18.2 MC38 cells were able to establish tumors in vivo and can be used for efficacy studies.
