General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0MFJAE
ADC Name
wO2023232144A1ADC-1
Synonyms
WO2023232144A1ADC-1
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Organization
GeneQuantum Healthcare (Suzhou) Co. Ltd.
Drug Status
Investigative
Drug-to-Antibody Ratio
1.93
Structure
Antibody Name
anti-HER2 antibody mAb-1
 Antibody Info 
Antigen Name
Receptor tyrosine-protein kinase erbB-2 (ERBB2)
 Antigen Info 
Payload Name
WO2023232144A1, ADC-1, Payload
 Payload Info 
Therapeutic Target
Microtubule (MT)
 Target Info 
Linker Name
WO2023232144A1, ADC-1, linker
 Linker Info 
Combination Type
LP-1
ADC-specific functional property(2027 Update)
Bystander Killing Effect
Click To Hide/Show 1 ADC-specific functional property Data
Bystander Killing Effect Description Reference
no Undisclosed
[1]
General Information of The Activity Data Related to This ADC
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth lnhibition value (TGl) 
115.07
%
Undisclosed Undisclosed
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Half Maximal inhibitory Concentration (lC50) 
0.04636
nM
Undisclosed Undisclosed
Half Maximal inhibitory Concentration (lC50) 
0.08706
nM
Undisclosed Undisclosed
Full List of Activity Data of This Antibody-drug Conjugate
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 lnhibition value (TGl) 115.07% Positive ErbB2/HER2 expression (ErbB2/HER2+++/++)
Method Description
In the ErbB2/HER2 high expression NCI-N87 CDX xenograft model, ADC-1 was administered at a dose of 3 mg/kg for five consecutive weeks. Compared with the control group, ADC-1 treatment group displayed significant suppression of tumour growth with an TGI of 115.07 % and T/C of 6.57%.
In Vivo Model High ErbB2/HER2 expression NCI-N87 CDX xenograft model
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 (lC50) 0.04636 nM Positive ErbB2/HER2 expression (ErbB2/HER2+++/++)
Method Description
The ErbB2/HER2 positive cells were cultured overnight with ADC-1 or antibody mAb-1 at different concentrations (10, 3.3, 1.1, 0.37, 0.12, 0.041, 0.014, 0.0046, 0.0015, 0.00051nM) Or different concentrations of MMAE (monomethyloratin E) (30, 10, 3.3, 1.1, 0.37, 0.12, 0.041, 0.014, 0.0046, 0.0015nM); The ErbB2/HER2 negative cells cultured overnight were added with ADC-1 or antibody mAb-1 at different concentrations (100, 10, 3.3, 1.1, 0.37, 0.12, 0.041, 0.014, 0.0046, 0.0015nM) Or different concentrations of MMAE (30, 10, 3.3, 1.1, 0.37, 0.12, 0.041, 0.014, 0.0046, 0.0015nM); Puromycin with a final concentration of 5uM was added to the control group. Continue warming at 37°C for 72~120h. 3) Remove the cell plates from the 37°C cell incubator and balance for about 30 minutes to room temperature. Each well is supplemented with 100uLCellTiter Glo reagent, the oscillator oscillates for 2min and then stands at room temperature for 10min away from light. The luminescence value (RLU) is measured.

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Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal inhibitory Concentration (lC50) 0.08706 nM Positive ErbB2/HER2 expression (ErbB2/HER2+++/++)
Method Description
The ErbB2/HER2 positive cells were cultured overnight with ADC-1 or antibody mAb-1 at different concentrations (10, 3.3, 1.1, 0.37, 0.12, 0.041, 0.014, 0.0046, 0.0015, 0.00051nM) Or different concentrations of MMAE (monomethyloratin E) (30, 10, 3.3, 1.1, 0.37, 0.12, 0.041, 0.014, 0.0046, 0.0015nM); The ErbB2/HER2 negative cells cultured overnight were added with ADC-1 or antibody mAb-1 at different concentrations (100, 10, 3.3, 1.1, 0.37, 0.12, 0.041, 0.014, 0.0046, 0.0015nM) Or different concentrations of MMAE (30, 10, 3.3, 1.1, 0.37, 0.12, 0.041, 0.014, 0.0046, 0.0015nM); Puromycin with a final concentration of 5uM was added to the control group. Continue warming at 37°C for 72~120h. 3) Remove the cell plates from the 37°C cell incubator and balance for about 30 minutes to room temperature. Each well is supplemented with 100uLCellTiter Glo reagent, the oscillator oscillates for 2min and then stands at room temperature for 10min away from light. The luminescence value (RLU) is measured.

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References
Ref 1 Oligosaccharide linkers, linker-payloads comprising the linkers, and glycan chain-remodeled antibody-drug conjugates, preparation methods and uses thereof