1
|
Sakagami K, Masuda T, Kawano K, Futaki S. Importance of Net Hydrophobicity in the Cellular Uptake of All-Hydrocarbon Stapled Peptides. Mol Pharm 2018; 15:1332-1340. [DOI: 10.1021/acs.molpharmaceut.7b01130] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Koki Sakagami
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Toshihiro Masuda
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Kenichi Kawano
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Shiroh Futaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| |
Collapse
|
2
|
Tsomaia N. Peptide therapeutics: Targeting the undruggable space. Eur J Med Chem 2015; 94:459-70. [DOI: 10.1016/j.ejmech.2015.01.014] [Citation(s) in RCA: 214] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Revised: 01/07/2015] [Accepted: 01/08/2015] [Indexed: 01/04/2023]
|
3
|
Hanold LE, Oruganty K, Ton NT, Beedle AM, Kannan N, Kennedy EJ. Inhibiting EGFR dimerization using triazolyl-bridged dimerization arm mimics. PLoS One 2015; 10:e0118796. [PMID: 25790232 PMCID: PMC4366150 DOI: 10.1371/journal.pone.0118796] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 01/14/2015] [Indexed: 11/30/2022] Open
Abstract
The epidermal growth factor receptor (EGFR) is overexpressed in multiple carcinomas and is the focus of a variety of targeted therapies. Here we report the design of peptide-based compounds that mimic the EGFR dimerization arm and inhibit allosteric activation of EGFR. These peptides are modified to contain a triazolyl bridge between the peptide strands to constrain the EGFR dimerization arm β-loop. In this study, we demonstrate that these peptides have significantly improved proteolytic stability over the non-modified peptide sequence, and their inhibitory effects are dependent on the number of the methylene units and orientation of the introduced triazolyl bridge. We identified a peptide, EDA2, which downregulates receptor phosphorylation and dimerization and reduces cell viability. This is the first example of a biologically active triazolyl-bridged peptide targeting the EGFR dimerization interface that effectively downregulates EGFR activation.
Collapse
Affiliation(s)
- Laura E. Hanold
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia, United States of America
| | - Krishnadev Oruganty
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia, United States of America
| | - Norman T. Ton
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia, United States of America
| | - Aaron M. Beedle
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia, United States of America
| | - Natarajan Kannan
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia, United States of America
| | - Eileen J. Kennedy
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia, United States of America
- * E-mail:
| |
Collapse
|
4
|
Mazzier D, Peggion C, Toniolo C, Moretto A. Enhancement of the helical content and stability induced in a linear oligopeptide by ani, i+4 intramolecularly double stapled, overlapping, bicyclic [31, 22, 5]-(E)ene motif. Biopolymers 2014; 102:115-23. [DOI: 10.1002/bip.22438] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 08/28/2013] [Accepted: 10/11/2013] [Indexed: 11/05/2022]
Affiliation(s)
- Daniela Mazzier
- ICB, Padova Unit, CNR, Department of Chemistry, University of Padova; 35131 Padova Italy
| | - Cristina Peggion
- ICB, Padova Unit, CNR, Department of Chemistry, University of Padova; 35131 Padova Italy
| | - Claudio Toniolo
- ICB, Padova Unit, CNR, Department of Chemistry, University of Padova; 35131 Padova Italy
| | - Alessandro Moretto
- ICB, Padova Unit, CNR, Department of Chemistry, University of Padova; 35131 Padova Italy
| |
Collapse
|
5
|
Kaspar AA, Reichert JM. Future directions for peptide therapeutics development. Drug Discov Today 2013; 18:807-17. [PMID: 23726889 DOI: 10.1016/j.drudis.2013.05.011] [Citation(s) in RCA: 519] [Impact Index Per Article: 47.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Revised: 04/27/2013] [Accepted: 05/20/2013] [Indexed: 10/26/2022]
Abstract
The notable expansion of peptide therapeutics development in the late 1990s and the 2000s led to an unprecedented number of marketing approvals in 2012 and has provided a robust pipeline that should deliver numerous approvals during the remainder of the 2010s. To document the current status of the pipeline, we collected data for peptide therapeutics in clinical studies and regulatory review, as well as those recently approved. In this Foundation review, we provide an overview of the pipeline, including therapeutic area and molecular targets, with a focus on glucagon-like peptide 1 receptor agonists. Areas for potential expansion, for example constrained peptides and peptide-drug conjugates, are profiled.
Collapse
Affiliation(s)
- Allan A Kaspar
- CovX/Pfizer Worldwide Research and Development, 9381 Judicial Drive, Suite 200, San Diego, CA 92121, USA
| | | |
Collapse
|
6
|
iPPI-DB: a manually curated and interactive database of small non-peptide inhibitors of protein-protein interactions. Drug Discov Today 2013; 18:958-68. [PMID: 23688585 DOI: 10.1016/j.drudis.2013.05.003] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 05/06/2013] [Accepted: 05/10/2013] [Indexed: 01/05/2023]
Abstract
The development of small molecule drugs targeting protein-protein interactions (PPI) represents a major challenge, in part owing to the misunderstanding of the PPI chemical space. To this end, we have manually collected the structures, the physicochemical and pharmacological profiles of 1650 PPI inhibitors across 13 families of PPI targets in a database named iPPI-DB. To access iPPI-DB, we propose a user-friendly web application (www.ippidb.cdithem.fr) with customizable queries and intuitive visualizing functionalities for associated properties of the compounds. This could assist scientists to design the next generation of PPI drugs. In this review, we describe iPPI-DB in the context of other low molecular weight molecule databases.
Collapse
|
7
|
Kofler NM, Shawber CJ, Kangsamaksin T, Reed HO, Galatioto J, Kitajewski J. Notch signaling in developmental and tumor angiogenesis. Genes Cancer 2012; 2:1106-16. [PMID: 22866202 DOI: 10.1177/1947601911423030] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The discovery that Notch, a key regulator of cell fate determination, is functional in the vasculature has greatly improved our understanding of differentiation and specialization of vessels. Notch signaling has been proven to be critical for arterial specification, sprouting angiogenesis, and vessel maturation. In newly forming vascular sprouts, Notch promotes the distinction between the leading "tip" endothelial cell and the growing "stalk" cell, the endothelial cells that eventually form a new capillary. Notch signaling has also been implicated in vessel stability by regulating vascular mural cell function. More recently, macrophages carrying an activated Notch have been implicated in shaping the course of new sprout formation. Tumor vessels abide by similar principles and use Notch signaling in similar ways. An exciting discovery, made by several researchers, shows that blocking Notch function in tumor vasculature provides a means by which to suppress tumor growth. The authors discuss the developmental and physiological role of Notch in the vasculature and apply this knowledge to an overview of how Notch targeting in the tumor environment can affect tumor angiogenesis and growth.
Collapse
Affiliation(s)
- Natalie M Kofler
- Ob/Gyn, Pathology, Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY, USA
| | | | | | | | | | | |
Collapse
|
8
|
Sashidhara KV, Kumar A, Agarwal S, Kumar M, Kumar B, Sridhar B. A Simple and Efficient Access to New Functionalized 4-Phenacylideneflavenes#. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201100757] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
9
|
Takebe N, Harris PJ, Warren RQ, Ivy SP. Targeting cancer stem cells by inhibiting Wnt, Notch, and Hedgehog pathways. Nat Rev Clin Oncol 2010; 8:97-106. [PMID: 21151206 DOI: 10.1038/nrclinonc.2010.196] [Citation(s) in RCA: 726] [Impact Index Per Article: 51.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tumor relapse and metastasis remain major obstacles for improving overall cancer survival, which may be due at least in part to the existence of cancer stem cells (CSCs). CSCs are characterized by tumorigenic properties and the ability to self-renew, form differentiated progeny, and develop resistance to therapy. CSCs use many of the same signaling pathways that are found in normal stem cells, such as Wnt, Notch, and Hedgehog (Hh). The origin of CSCs is not fully understood, but data suggest that they originate from normal stem or progenitor cells, or possibly other cancer cells. Therapeutic targeting of both CSCs and bulk tumor populations may provide a strategy to suppress tumor regrowth. Development of agents that target critical steps in the Wnt, Notch, and Hh pathways will be complicated by signaling cross-talk. The role that embryonic signaling pathways play in the function of CSCs, the development of new anti-CSC therapeutic agents, and the complexity of potential CSC signaling cross-talk are described in this Review.
Collapse
Affiliation(s)
- Naoko Takebe
- National Cancer Institute, Division of Cancer Treatment and Diagnosis, Cancer Therapy Evaluation Program, Investigational Drug Branch, EPN7131, 6130 Executive Boulevard, Rockville, Bethesda, MD 20852, USA
| | | | | | | |
Collapse
|
10
|
Sawyer TK. A Pursuit of Smart Chemistry Tackling Complex Biology by Way of Inventive Drug Design. Chem Biol Drug Des 2010; 75:1-2. [DOI: 10.1111/j.1747-0285.2009.00918.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|