Development of the Inhibitors That Target the PD-1/PD-L1 Interaction—A Brief Look at Progress on Small Molecules, Peptides and Macrocycles

Cancer immunotherapy based on antibodies targeting the immune checkpoint PD-1/PD-L1 pathway has seen unprecedented clinical responses and constitutes the new paradigm in cancer therapy. The antibody-based immunotherapies have several limitations such as high production cost of the antibodies or thei...

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Main Authors: Katarzyna Guzik, Marcin Tomala, Damian Muszak, Magdalena Konieczny, Aleksandra Hec, Urszula Błaszkiewicz, Marcin Pustuła, Roberto Butera, Alexander Dömling, Tad A. Holak
Format: Article
Language:English
Published: MDPI AG 2019-05-01
Series:Molecules
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Online Access:https://www.mdpi.com/1420-3049/24/11/2071
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author Katarzyna Guzik
Marcin Tomala
Damian Muszak
Magdalena Konieczny
Aleksandra Hec
Urszula Błaszkiewicz
Marcin Pustuła
Roberto Butera
Alexander Dömling
Tad A. Holak
author_facet Katarzyna Guzik
Marcin Tomala
Damian Muszak
Magdalena Konieczny
Aleksandra Hec
Urszula Błaszkiewicz
Marcin Pustuła
Roberto Butera
Alexander Dömling
Tad A. Holak
author_sort Katarzyna Guzik
collection DOAJ
description Cancer immunotherapy based on antibodies targeting the immune checkpoint PD-1/PD-L1 pathway has seen unprecedented clinical responses and constitutes the new paradigm in cancer therapy. The antibody-based immunotherapies have several limitations such as high production cost of the antibodies or their long half-life. Small-molecule inhibitors of the PD-1/PD-L1 interaction have been highly anticipated as a promising alternative or complementary therapeutic to the monoclonal antibodies (mAbs). Currently, the field of developing anti-PD-1/PD-L1 small-molecule inhibitors is intensively explored. In this paper, we review anti-PD-1/PD-L1 small-molecule and peptide-based inhibitors and discuss recent structural and preclinical/clinical aspects of their development. Discovery of the therapeutics based on small-molecule inhibitors of the PD-1/PD-L1 interaction represents a promising but challenging perspective in cancer treatment.
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spelling doaj.art-f8845f78c3864840bfe4b4868e4584312022-12-22T01:25:50ZengMDPI AGMolecules1420-30492019-05-012411207110.3390/molecules24112071molecules24112071Development of the Inhibitors That Target the PD-1/PD-L1 Interaction—A Brief Look at Progress on Small Molecules, Peptides and MacrocyclesKatarzyna Guzik0Marcin Tomala1Damian Muszak2Magdalena Konieczny3Aleksandra Hec4Urszula Błaszkiewicz5Marcin Pustuła6Roberto Butera7Alexander Dömling8Tad A. Holak9Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, PolandFaculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, PolandFaculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, PolandFaculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, PolandRecepton sp. z o.o, Michala Bobrzynskiego 14, 30-348 Krakow, PolandRecepton sp. z o.o, Michala Bobrzynskiego 14, 30-348 Krakow, PolandFaculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, PolandDepartment for Drug Design, University of Groningen, A. Deusinglaan 9, AV 9713 Groningen, The NetherlandsDepartment for Drug Design, University of Groningen, A. Deusinglaan 9, AV 9713 Groningen, The NetherlandsFaculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, PolandCancer immunotherapy based on antibodies targeting the immune checkpoint PD-1/PD-L1 pathway has seen unprecedented clinical responses and constitutes the new paradigm in cancer therapy. The antibody-based immunotherapies have several limitations such as high production cost of the antibodies or their long half-life. Small-molecule inhibitors of the PD-1/PD-L1 interaction have been highly anticipated as a promising alternative or complementary therapeutic to the monoclonal antibodies (mAbs). Currently, the field of developing anti-PD-1/PD-L1 small-molecule inhibitors is intensively explored. In this paper, we review anti-PD-1/PD-L1 small-molecule and peptide-based inhibitors and discuss recent structural and preclinical/clinical aspects of their development. Discovery of the therapeutics based on small-molecule inhibitors of the PD-1/PD-L1 interaction represents a promising but challenging perspective in cancer treatment.https://www.mdpi.com/1420-3049/24/11/2071peptide-based and small synthetic molecule inhibitorslead optimizationscaffold hoppingPD-1/PD-L1 pathwayrational drug designcancer immunotherapycocrystal structuresstructure-activity relationship
spellingShingle Katarzyna Guzik
Marcin Tomala
Damian Muszak
Magdalena Konieczny
Aleksandra Hec
Urszula Błaszkiewicz
Marcin Pustuła
Roberto Butera
Alexander Dömling
Tad A. Holak
Development of the Inhibitors That Target the PD-1/PD-L1 Interaction—A Brief Look at Progress on Small Molecules, Peptides and Macrocycles
Molecules
peptide-based and small synthetic molecule inhibitors
lead optimization
scaffold hopping
PD-1/PD-L1 pathway
rational drug design
cancer immunotherapy
cocrystal structures
structure-activity relationship
title Development of the Inhibitors That Target the PD-1/PD-L1 Interaction—A Brief Look at Progress on Small Molecules, Peptides and Macrocycles
title_full Development of the Inhibitors That Target the PD-1/PD-L1 Interaction—A Brief Look at Progress on Small Molecules, Peptides and Macrocycles
title_fullStr Development of the Inhibitors That Target the PD-1/PD-L1 Interaction—A Brief Look at Progress on Small Molecules, Peptides and Macrocycles
title_full_unstemmed Development of the Inhibitors That Target the PD-1/PD-L1 Interaction—A Brief Look at Progress on Small Molecules, Peptides and Macrocycles
title_short Development of the Inhibitors That Target the PD-1/PD-L1 Interaction—A Brief Look at Progress on Small Molecules, Peptides and Macrocycles
title_sort development of the inhibitors that target the pd 1 pd l1 interaction a brief look at progress on small molecules peptides and macrocycles
topic peptide-based and small synthetic molecule inhibitors
lead optimization
scaffold hopping
PD-1/PD-L1 pathway
rational drug design
cancer immunotherapy
cocrystal structures
structure-activity relationship
url https://www.mdpi.com/1420-3049/24/11/2071
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