B-hCDH17 B16-F10_Biocytogen Pharmaceuticals (Beijing) Co., Ltd._Biocytogen,drug development,antibody discovery

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B-hCDH17 B16-F10

Common name	B-hCDH17 B16-F10	Catalog number	322270
Aliases	HPT1; CDH16; HPT-1	Disease	Melanoma
Organism	Mouse	Strain	C57BL/6
Tissue types	Skin	Tissue	Skin

Description

The mouse Cdh17 gene was replaced by human CDH17 coding sequence in B-hCDH17 B16-F10 cells. Human CDH17 is highly expressed on the surface of B-hCDH17 B16-F10 cells.

Application

B-hCDH17 B16-F10 cells have the capability to establish tumors in vivo and can be used for efficacy studies.

Targeting strategy

Gene targeting strategy for B-hCDH17 B16-F10 cells. The exogenous promoter and human CDH17 coding sequence was inserted to replace part of murine exon 3.

Protein expression analysis

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CDH17 expression analysis in B-hCDH17 B16-F10 cells by flow cytometry. Single cell suspensions from wild-type B16-F10 and B-hCDH17 B16-F10 cultures were stained with anti-CDH17 antibody (provided by a corporate partner). Human CDH17 was detected on the surface of B-hCDH17 B16-F10 cells but not wild-type B16-F10 cells.

Tumor growth curve & Body weight changes

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Subcutaneous homograft tumor growth of B-hCDH17 B16-F10 cells. B-hCDH17 B16-F10 cells and wild-type B16-F10 cells were subcutaneously implanted into C57BL/6 mice (female, 9-week-old, n=8). 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-hCDH17 B16-F10 cells were able to establish tumors in vivo and can be used for efficacy studies.

Tumor growth curve of individual mice

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B-hCDH17 B16-F10 tumor growth of individual mice. B-hCDH17 B16-F10 cells and wild-type B16-F10 cells were subcutaneously implanted into C57BL/6 mice (female, 9-week-old, n=8). As shown in panel, B-hCDH17 B16-F10 cells were able to establish tumors in vivo and can be used for efficacy studies. The tumor volume of individual mice has obvious differences in 5E5 dose group. 1E6 cells is considered to be used in the in vivo experiment.

CDH17 expression analysis in tumor cells

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Tumor cells were harvested at the end point of the experiment and assessed for human CDH17 expression by flow cytometry. As shown in the panel, human CDH17 was expressed on the surface of tumor cells (anti-human CDH17 antibody was provided by a corporate partner).

Note. B16-F10 tumor cells harvested at the end point of the experiment are easily dead, which may influence the protein expression analysis.

Tumor growth curve & Body weight changes

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Subcutaneous homograft tumor growth of B-hCDH17 B16-F10 cells. B-hCDH17 B16-F10 cells and wild-type B16-F10 cells were subcutaneously implanted into B-hCDH17 mice (female, 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-hCDH17 B16-F10 cells were able to establish tumors in vivo and can be used for efficacy studies.

Tumor growth curve of individual mice

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Subcutaneous homograft tumor growth of B-hCDH17 B16-F10 cells. B-hCDH17 B16-F10 cells and wild-type B16-F10 cells were subcutaneously implanted into B-hCDH17 mice (female, 9-week-old, n=6). As shown in panel, B-hCDH17 B16-F10 cells were able to establish tumors in vivo and can be used for efficacy studies. 1E6 cells is considered to be used in the in vivo experiment.

Tumor growth curve & Body weight changes

from clipboard

Subcutaneous homograft tumor growth of B-hCDH17 B16-F10 cells. B-hCDH17 B16-F10 cells and wild-type B16-F10 cells were subcutaneously implanted into C57BL/6 mice or B-hCD3E/h4-1BB mice (female, 7 to 8-week-old, n=8) respectively. 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-hCDH17 B16-F10 cells were able to establish tumors in vivo.

Tumor growth curve of individual mice

from clipboard

Subcutaneous homograft tumor growth of B-hCDH17 B16-F10 cells. B-hCDH17 B16-F10 cells and wild-type B16-F10 cells were subcutaneously implanted into C57BL/6 mice or B-hCD3E/h4-1BB mice (female, 7 to 8-week-old, n=8) respectively. As shown in panel, B-hCDH17 B16-F10 cells were able to establish tumors in vivo, but the variation of tumor volume in B-hCD3E/h4-1BB mice group was large. CDH17 humanized mice should be considered.