General Information of This Linker
Linker ID
LIN0QRLMU
Linker Name
DBCO-PEG-VCit-PABC
Antibody-Linker Relation
Cleavable
Each Antibody-drug Conjugate Related to This Linker
Full Information of The Activity Data of The ADC(s) Related to This Linker
VCit ADC 3a [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 18) Positive HER2 expression (HER2+++/++)
Method Description
VCit ADC 3a (3 mg/kg, single dose) induces efficient tumor cell killing in cell line-derived models of KPL-4 cells with HER2 expression with high expression.
In Vivo Model KPL-4 CDX model
In Vitro Model Breast inflammatory carcinoma KPL-4 cells CVCL_5310
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.10 nM-0.12 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells were seeded in a culture-treated 96-well clear plate and incubated at 37°C under 5% CO2 for 24h. Serially diluted samples (50L) were added to each well and the plate was incubated at 37°C for 72h.
In Vitro Model Breast inflammatory carcinoma KPL-4 cells CVCL_5310
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Negative HER2 expression (HER2-)
Method Description
Cells were seeded in a culture-treated 96-well clear plate and incubated at 37°C under 5% CO2 for 24h. Serially diluted samples (50L) were added to each well and the plate was incubated at 37°C for 72h.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
References
Ref 1 Glutamic acid-valine-citrulline linkers ensure stability and efficacy of antibody-drug conjugates in mice. Nat Commun. 2018 Jun 28;9(1):2512. doi: 10.1038/s41467-018-04982-3.

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