General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0CETOD
ADC Name
ch735-Py-DM1
Synonyms
ch735 Py DM1
   Click to Show/Hide
Drug Status
Investigative
Indication
In total 2 Indication(s)
Neuroblastoma [ICD11:2A00]
Investigative
Ovarian cancer [ICD11:2C73]
Investigative
Drug-to-Antibody Ratio
2-3
Antibody Name
Chimeric human mAb ch735
 Antibody Info 
Antigen Name
Oncodevelopmental antigen polysialic acid (polySia)
 Antigen Info 
Payload Name
Mertansine DM1
 Payload Info 
Therapeutic Target
Microtubule (MT)
 Target Info 
Linker Name
TCO-PEG3-Mal
 Linker Info 
General Information of The Activity Data Related to This ADC
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 (IC50) 
50
nM
SH-SY5Y cells
Bone marrow neuroblastoma
Half Maximal Inhibitory Concentration (IC50) 
> 100
nM
MCF-7 cells
Invasive breast carcinoma
Full List of Activity Data of This Antibody-drug Conjugate
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) 50.00 nM Positive polySia expression (polySia +++/++)
Method Description
Cells were plated at 5,000, 2,500, and 2,500 cells/well, respectively, and allowed to rest for 24 h. Five-fold serial dilutions of the antibodies were added starting at 150 nM and incubated for 72-144 h.
In Vitro Model Bone marrow neuroblastoma SH-SY5Y cells CVCL_0019
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Negative polySia expression (polySia -)
Method Description
Cells were plated at 5,000, 2,500, and 2,500 cells/well, respectively, and allowed to rest for 24 h. Five-fold serial dilutions of the antibodies were added starting at 150 nM and incubated for 72-144 h.
In Vitro Model Invasive breast carcinoma MCF-7 cells CVCL_0031
References
Ref 1 Antibody-Mediated Endocytosis of Polysialic Acid Enables Intracellular Delivery and Cytotoxicity of a Glycan-Directed Antibody-Drug Conjugate. Cancer Res. 2019 Apr 15;79(8):1810-1821. doi: 10.1158/0008-5472.CAN-18-3119. Epub 2019 Feb 26.

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