Development of a facile antibody–drug conjugate platform for increased stability and homogeneity† †Electronic supplementary information (ESI) available: Synthetic schemes and characterization data, experimental procedures, Fig. S1 and S2. See DOI: 10.1039/c6sc05149a Click here for additional data file
Pt( ii )-based linkers re-bridge the antibody chains via strong Pt–S interaction thereby imparting homogeneity, site-specificity and stability to the antibody–drug conjugate. Despite the advances in the design of antibody–drug conjugates (ADCs), the search is still ongoing for novel approaches that...
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Published in | Chemical science (Cambridge) Vol. 8; no. 3; pp. 2387 - 2395 |
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Main Authors | , , , , , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Royal Society of Chemistry
09.12.2016
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Subjects | |
Online Access | Get full text |
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Abstract | Pt(
ii
)-based linkers re-bridge the antibody chains
via
strong Pt–S interaction thereby imparting homogeneity, site-specificity and stability to the antibody–drug conjugate.
Despite the advances in the design of antibody–drug conjugates (ADCs), the search is still ongoing for novel approaches that lead to increased stability and homogeneity of the ADCs. We report, for the first time, an ADC platform technology using a platinum(
ii
)-based linker that can re-bridge the inter-chain cysteines in the antibody, post-reduction. The strong platinum–sulfur interaction improves the stability of the ADC when compared with a standard maleimide-linked ADC thereby reducing the linker–drug exchange with albumin significantly. Moreover, due to the precise conserved locations of cysteines, both homogeneity and site-specificity are simultaneously achieved. Additionally, we demonstrate that our ADCs exhibit increased anticancer efficacy
in vitro
and
in vivo
. The Pt-based ADCs can emerge as a simple and exciting proposition to address the limitations of the current ADC linker technologies. |
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AbstractList | Pt(
ii
)-based linkers re-bridge the antibody chains
via
strong Pt–S interaction thereby imparting homogeneity, site-specificity and stability to the antibody–drug conjugate.
Despite the advances in the design of antibody–drug conjugates (ADCs), the search is still ongoing for novel approaches that lead to increased stability and homogeneity of the ADCs. We report, for the first time, an ADC platform technology using a platinum(
ii
)-based linker that can re-bridge the inter-chain cysteines in the antibody, post-reduction. The strong platinum–sulfur interaction improves the stability of the ADC when compared with a standard maleimide-linked ADC thereby reducing the linker–drug exchange with albumin significantly. Moreover, due to the precise conserved locations of cysteines, both homogeneity and site-specificity are simultaneously achieved. Additionally, we demonstrate that our ADCs exhibit increased anticancer efficacy
in vitro
and
in vivo
. The Pt-based ADCs can emerge as a simple and exciting proposition to address the limitations of the current ADC linker technologies. |
Author | Hossain, Samad Sivaccumar, Jwala Sengupta, Shiladitya Mandal, Swadhin K. Hussain, Sazid Ansari, Aasif Goyal, Ravinder Sarkar, Arindam Kancharla, Johny Gupta, Nimish Roy, Monideepa Kaushik, Shelly Pandey, Manoj Sengupta, Aniruddha |
AuthorAffiliation | b India Innovation Research Center , Delhi-110092 , India f Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA c Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India e Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA d Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India a Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: shiladit@mit.edu ; Email: mroy@invictusoncology.com |
AuthorAffiliation_xml | – name: f Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – name: a Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: shiladit@mit.edu ; Email: mroy@invictusoncology.com – name: e Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA – name: b India Innovation Research Center , Delhi-110092 , India – name: d Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India – name: c Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India |
Author_xml | – sequence: 1 givenname: Nimish surname: Gupta fullname: Gupta, Nimish organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 2 givenname: Johny surname: Kancharla fullname: Kancharla, Johny organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 3 givenname: Shelly surname: Kaushik fullname: Kaushik, Shelly organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 4 givenname: Aasif surname: Ansari fullname: Ansari, Aasif organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 5 givenname: Samad surname: Hossain fullname: Hossain, Samad organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 6 givenname: Ravinder surname: Goyal fullname: Goyal, Ravinder organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 7 givenname: Manoj surname: Pandey fullname: Pandey, Manoj organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 8 givenname: Jwala surname: Sivaccumar fullname: Sivaccumar, Jwala organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 9 givenname: Sazid surname: Hussain fullname: Hussain, Sazid organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 10 givenname: Arindam surname: Sarkar fullname: Sarkar, Arindam organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 11 givenname: Aniruddha surname: Sengupta fullname: Sengupta, Aniruddha organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 12 givenname: Swadhin K. surname: Mandal fullname: Mandal, Swadhin K. organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 13 givenname: Monideepa surname: Roy fullname: Roy, Monideepa organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA – sequence: 14 givenname: Shiladitya surname: Sengupta fullname: Sengupta, Shiladitya organization: Invictus Oncology Pvt. Ltd. , Delhi-110092 , India . Email: ; Email: India Innovation Research Center , Delhi-110092 , India Department of Chemical Sciences , Indian Institute of Science Education and Research-Kolkata , Mohanpur-741252 , India Health and Biomedical Sciences , Symbiosis International University , Pune-412115 , India Brigham and Women's Hospital , Harvard Medical School , Boston , MA 02115 , USA Harvard – MIT Division of Health Sciences and Technology , Cambridge , MA 02139 , USA |
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Notes | All authors are either employees/collaborators with Invictus Oncology Pvt. Ltd. and/or hold equity of IOPL. J. K. and S. K. contributed equally. |
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Snippet | Pt(
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via
strong Pt–S interaction thereby imparting homogeneity, site-specificity and stability to the... |
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Title | Development of a facile antibody–drug conjugate platform for increased stability and homogeneity† †Electronic supplementary information (ESI) available: Synthetic schemes and characterization data, experimental procedures, Fig. S1 and S2. See DOI: 10.1039/c6sc05149a Click here for additional data file |
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