Antibody Information
General Information of This Antibody
| Antibody ID | ANI0NQVGZ |
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| Antibody Name | Anti-5T4 mAb H8 P41C |
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| Antibody Type | Monoclonal antibody (mAb) |
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| Antibody Subtype | Humanized IgG1-kappa |
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| Antigen Name | Trophoblast glycoprotein (TPBG) |
Antigen Info | ||||
Each Antibody-drug Conjugate Related to This Antibody
Full Information of The Activity Data of The ADC(s) Related to This Antibody
WO2015177360A1 ADC-H8-HC41 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
| Experiment 1 Reporting the Activity Date of This ADC | [1] | ||||
| Efficacy Data | Tumor Growth Inhibition value (TGI) | ≈ 72.01% (Day 47) | Positive 5T4 expression (5T4+++/++) | ||
| Method Description |
Tumours were induced subcutaneously by injecting of 10,000,000 PA-1 cells in 100 uL of RPMI 1640 containing matrigel into the right flank of male Balb/c nude mice. Treatments were started when the tumors reached a mean volume of 200-300 mm3. Mice were randomized according to their individual tumor volume into groups and received a single i.v, 3 mg/kg inection of anti-5T4 ADC.
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| In Vivo Model | PA-1 CDX model | ||||
| In Vitro Model | Ovarian mixed germ cell tumor | PA-1 cells | CVCL_0479 | ||
| Experiment 2 Reporting the Activity Date of This ADC | [1] | ||||
| Efficacy Data | Tumor Growth Inhibition value (TGI) | ≈ 86.18% (Day 47) | Positive 5T4 expression (5T4+++/++) | ||
| Method Description |
Tumours were induced subcutaneously by injecting of 10,000,000 PA-1 cells in 100 uL of RPMI 1640 containing matrigel into the right flank of male Balb/c nude mice. Treatments were started when the tumors reached a mean volume of 200-300 mm3. Mice were randomized according to their individual tumor volume into groups and received a single i.v, 10 mg/kg inection of anti-5T4 ADC.
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| In Vivo Model | PA-1 CDX model | ||||
| In Vitro Model | Ovarian mixed germ cell tumor | PA-1 cells | CVCL_0479 | ||
Revealed Based on the Cell Line Data
| Experiment 1 Reporting the Activity Date of This ADC | [1] | ||||
| Efficacy Data | Max inhibition rate (MIR) |
88.00%
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Positive 5T4 expression (5T4+++/++) | ||
| Method Description |
MDA-MB-468 cells were incubated with increasing concentrations of each ADCs at 37°C for 6 days in complete culture medium.
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| In Vitro Model | Breast adenocarcinoma | MDA-MB-468 cells | CVCL_0419 | ||
| Experiment 2 Reporting the Activity Date of This ADC | [1] | ||||
| Efficacy Data | Max inhibition rate (MIR) |
98.00%
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Negative 5T4 expression (5T4-) | ||
| Method Description |
To assess the sensitivity towards cathepsin B, the ADCs were treated for 2 minutes and 4 hours with activated cathepsin B. To measure release of the respective free toxins DUBA or MMAE, 5T4-negative SK-MEL-30 cells (2,000 cells/well) was cultured with the ADCs for 6 days, and the cell viability was measured after 6 days using the CellTiter-GloTM (CTG) assay kit.
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| In Vitro Model | Cutaneous melanoma | SK-MEL-30 cells | CVCL_0039 | ||
| Experiment 3 Reporting the Activity Date of This ADC | [1] | ||||
| Efficacy Data | Half Maximal Inhibitory Concentration (IC50) |
0.07 nM
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Positive 5T4 expression (5T4+++/++) | ||
| Method Description |
MDA-MB-468 cells were incubated with increasing concentrations of each ADCs at 37°C for 6 days in complete culture medium.
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| In Vitro Model | Breast adenocarcinoma | MDA-MB-468 cells | CVCL_0419 | ||
| Experiment 4 Reporting the Activity Date of This ADC | [1] | ||||
| Efficacy Data | Half Maximal Inhibitory Concentration (IC50) |
1.27 nM
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Negative 5T4 expression (5T4-) | ||
| Method Description |
To assess the sensitivity towards cathepsin B, the ADCs were treated for 2 minutes and 4 hours with activated cathepsin B. To measure release of the respective free toxins DUBA or MMAE, 5T4-negative SK-MEL-30 cells (2,000 cells/well) was cultured with the ADCs for 6 days, and the cell viability was measured after 6 days using the CellTiter-GloTM (CTG) assay kit.
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| In Vitro Model | Cutaneous melanoma | SK-MEL-30 cells | CVCL_0039 | ||
| Experiment 5 Reporting the Activity Date of This ADC | [1] | ||||
| Efficacy Data | Half Maximal Inhibitory Concentration (IC50) | > 90.00 nM | Negative 5T4 expression (5T4-) | ||
| Method Description |
SK-MEL-30 cells were incubated with increasing concentrations of each ADCs at 37°C for 6 days in complete culture medium.
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| In Vitro Model | Cutaneous melanoma | SK-MEL-30 cells | CVCL_0039 | ||