General Information of This Payload
Payload ID
PAY0RPNAQ
Name
Methylenedioxy CPT1 (CPT1)
Synonyms
Methylenedioxy CPT1 (CPT1)
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Target(s) DNA topoisomerase 1 (TOP1)
Structure
Formula
C22H19N3O6
Isosmiles
CCC1(O)C(=O)OCc2c1cc1n(c2=O)Cc2c-1nc1cc3c(cc1c2CN)OCO3
InChI
InChI=1S/C22H19N3O6/c1-2-22(28)14-4-16-19-12(7-25(16)20(26)13(14)8-29-21(22)27)11(6-23)10-3-17-18(31-9-30-17)5-15(10)24-19/h3-5,28H,2,6-9,23H2,1H3
InChIKey
QILNNZJGRYNYJV-UHFFFAOYSA-N
Pharmaceutical Properties
Molecule Weight
421.409
Polar area
125.9
Complexity
31
xlogp Value
1.267
Heavy Count
31
Rot Bonds
2
Hbond acc
9
Hbond Donor
2
The activity data of This Payload
Standard Type Value Units Cell line Disease Model Cell line ID Reference
Half Maximal Inhibitory Concentration (IC50) 0.7 nmol/L
DEL cells
Anaplastic large cell lymphoma
CVCL_1170 
[1]
Half Maximal Inhibitory Concentration (IC50) 1 nmol/L
L540cy cells
Hodgkin's disease
Undisclosed [1]
Half Maximal Inhibitory Concentration (IC50) 1 nmol/L
DEL/BVR cells
Anaplastic large cell lymphoma
CVCL_1170 
[1]
Half Maximal Inhibitory Concentration (IC50) 2 nmol/L
Karpas-299 cells
ALK-positive anaplastic large cell lymphoma
CVCL_1324 
[1]
Half Maximal Inhibitory Concentration (IC50) 2 nmol/L
L-428 cells
Hodgkin lymphoma
CVCL_1361 
[1]
Each Antibody-drug Conjugate Related to This Payload
Full Information of The Activity Data of The ADC(s) Related to This Payload
CAC10-CPT-LA [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
3.00 ng/mL
High CD30 expression (CD30+++; 285,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

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In Vitro Model Precursor T-cell acute lymphoblastic leukemia ALCL cells CVCL_A036
Experiment 2 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
4.00 ng/mL
High CD30 expression (CD30+++; 180,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

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In Vitro Model Anaplastic large cell lymphoma DEL/BVR cells CVCL_1170
Experiment 3 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 1000.00 ng/mL High CD30 expression (CD30+++; 400,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

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In Vitro Model Hodgkin's disease L540cy cells Homo sapiens
Experiment 4 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 1000.00 ng/mL High CD30 expression (CD30+++; 320,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

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In Vitro Model ALK-positive anaplastic large cell lymphoma Karpas-299 cells CVCL_1324
Experiment 5 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 1000.00 ng/mL Low CD30 expression (CD30+; 70,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

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In Vitro Model Hodgkin lymphoma L-428 cells CVCL_1361
H00-CPT-LA [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 1000.00 ng/mL High CD30 expression (CD30+++; 400,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

   Click to Show/Hide
In Vitro Model Hodgkin's disease L540cy cells Homo sapiens
Experiment 2 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 1000.00 ng/mL High CD30 expression (CD30+++; 320,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

   Click to Show/Hide
In Vitro Model ALK-positive anaplastic large cell lymphoma Karpas-299 cells CVCL_1324
Experiment 3 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 1000.00 ng/mL Low CD30 expression (CD30+; 70,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

   Click to Show/Hide
In Vitro Model Hodgkin lymphoma L-428 cells CVCL_1361
Experiment 4 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 1000.00 ng/mL High CD30 expression (CD30+++; 285,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

   Click to Show/Hide
In Vitro Model Precursor T-cell acute lymphoblastic leukemia ALCL cells CVCL_A036
Experiment 5 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 1000.00 ng/mL High CD30 expression (CD30+++; 180,000 CD30 molecules/cell)
Method Description
Serial dilutions of ADCs in cell culture media were prepared at 4x working concentrations, and 50 uL of each dilution was added to the 96-well plates. Following addition of test articles, cells were incubated for 4 days at 37°C, after which growth inhibition was assessed by the addition of CellTiter-Glo and luminescence was measured on a plate reader.

   Click to Show/Hide
In Vitro Model Anaplastic large cell lymphoma DEL/BVR cells CVCL_1170
References
Ref 1 Development of Novel Antibody-Camptothecin Conjugates. Mol Cancer Ther. 2021 Feb;20(2):329-339.
Ref 2 Development of Novel Antibody-Camptothecin Conjugates. Mol Cancer Ther. 2021 Feb;20(2):329-339.

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