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Nadal-Bufí F, Chan LY, Mohammad HH, Mason JM, Salomon C, Lai A, Thompson EW, Craik DJ, Kaas Q, Henriques ST. Peptide-based LDH5 inhibitors enter cancer cells and impair proliferation. Cell Mol Life Sci 2022; 79:606. [PMID: 36436181 DOI: 10.1007/s00018-022-04633-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/09/2022] [Accepted: 11/14/2022] [Indexed: 11/28/2022]
Abstract
Lactate dehydrogenase 5 (LDH5) is overexpressed in many cancers and is a potential target for anticancer therapy due to its role in aerobic glycolysis. Small-molecule drugs have been developed as competitive inhibitors to bind substrate/cofactor sites of LDH5, but none reached the clinic to date. Recently, we designed the first LDH5 non-competitive inhibitor, cGmC9, a peptide that inhibits protein-protein interactions required for LDH5 enzymatic activity. Peptides are gaining a large interest as anticancer agents to modulate intracellular protein-protein interactions not targetable by small molecules; however, delivery of these peptides to the cytosol, where LDH5 and other anticancer targets are located, remains a challenge for this class of therapeutics. In this study, we focused on the cellular internalisation of cGmC9 to achieve LDH5 inhibition in the cytosol. We designed cGmC9 analogues and compared them for LDH5 inhibition, cellular uptake, toxicity, and antiproliferation against a panel of cancer cell lines. The lead analogue, [R/r]cGmC9, specifically impairs proliferation of cancer cell lines with high glycolytic profiles. Proteomics analysis showed expected metabolic changes in response to decreased glycolysis. This is the first report of a peptide-based LDH5 inhibitor able to modulate cancer metabolism and kill cancer cells that are glycolytic. The current study demonstrates the potential of using peptides as inhibitors of intracellular protein-protein interactions relevant for cancer pathways and shows that active peptides can be rationally designed to improve their cell permeation.
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Affiliation(s)
- Ferran Nadal-Bufí
- Queensland University of Technology, School of Biomedical Sciences and Translational Research Institute, Brisbane, QLD, 4102, Australia
| | - Lai Y Chan
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Hadi H Mohammad
- Department of Biology and Biochemistry, University of Bath, Bath, BA2 7AY, UK.,Department of Pharmacy, College of Pharmacy, Knowledge University, Erbil, 44001, Kurdistan Region, Iraq
| | - Jody M Mason
- Department of Biology and Biochemistry, University of Bath, Bath, BA2 7AY, UK
| | - Carlos Salomon
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, The University of Queensland Centre for Clinical Research, Royal Brisbane and Women's Hospital, The University of Queensland, Brisbane, QLD, 4029, Australia.,Departamento de Investigación, Postgrado y Educación Continua (DIPEC), Facultad de Ciencias de la Salud, Universidad del Alba, 8320000, Santiago, Chile
| | - Andrew Lai
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, The University of Queensland Centre for Clinical Research, Royal Brisbane and Women's Hospital, The University of Queensland, Brisbane, QLD, 4029, Australia
| | - Erik W Thompson
- Queensland University of Technology, School of Biomedical Sciences and Translational Research Institute, Brisbane, QLD, 4102, Australia
| | - David J Craik
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Quentin Kaas
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Sónia T Henriques
- Queensland University of Technology, School of Biomedical Sciences and Translational Research Institute, Brisbane, QLD, 4102, Australia. .,Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, QLD, 4072, Australia.
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Nadal-Bufi F, Mason JM, Chan LY, Craik DJ, Kaas Q, Troeira Henriques S. Designed β-Hairpins Inhibit LDH5 Oligomerization and Enzymatic Activity. J Med Chem 2021; 64:3767-3779. [PMID: 33765386 DOI: 10.1021/acs.jmedchem.0c01898] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Lactate dehydrogenase 5 (LDH5) is overexpressed in metastatic tumors and is an attractive target for anticancer therapy. Small-molecule drugs have been developed to target the substrate/cofactor sites of LDH5, but none has reached the clinic to date, and alternative strategies remain almost unexplored. Combining rational and computer-based approaches, we identified peptidic sequences with high affinity toward a β-sheet region that is involved in protein-protein interactions (PPIs) required for the activity of LDH5. To improve stability and potency, these sequences were grafted into a cyclic cell-penetrating β-hairpin peptide scaffold. The lead grafted peptide, cGmC9, inhibited LDH5 activity in vitro in low micromolar range and more efficiently than the small-molecule inhibitor GNE-140. cGmC9 inhibits LDH5 by targeting an interface unlikely to be inhibited by small-molecule drugs. This lead will guide the development of new LDH5 inhibitors and challenges the landscape of drug discovery programs exclusively dedicated to small molecules.
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Affiliation(s)
- Ferran Nadal-Bufi
- School of Biomedical Sciences, Translational Research Institute, Queensland University of Technology, Brisbane, Queensland 4102, Australia
| | - Jody M Mason
- Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, United Kingdom
| | - Lai Yue Chan
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - David J Craik
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Quentin Kaas
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Sónia Troeira Henriques
- School of Biomedical Sciences, Translational Research Institute, Queensland University of Technology, Brisbane, Queensland 4102, Australia
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
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Tang P, Xu J, Oliveira CL, Li ZJ, Liu S. A mechanistic kinetic description of lactate dehydrogenase elucidating cancer diagnosis and inhibitor evaluation. J Enzyme Inhib Med Chem 2017; 32:564-571. [PMID: 28114833 PMCID: PMC6010104 DOI: 10.1080/14756366.2016.1275606] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
As a key enzyme for glycolysis, lactate dehydrogenase (LDH) remains as a topic of great interest in cancer study. Though a number of kinetic models have been applied to describe the dynamic behavior of LDH, few can reflect its actual mechanism, making it difficult to explain the observed substrate and competitor inhibitions at wide concentration ranges. A novel mechanistic kinetic model is developed based on the enzymatic processes and the interactive properties of LDH. Better kinetic simulation as well as new enzyme interactivity information and kinetic properties extracted from published articles via the novel model was presented. Case studies were presented to a comprehensive understanding of the effect of temperature, substrate, and inhibitor on LDH kinetic activities for promising application in cancer diagnosis, inhibitor evaluation, and adequate drug dosage prediction.
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Affiliation(s)
- Peifeng Tang
- a Department of Paper and Bioprocess Engineering , SUNY ESF , Syracuse , NY , USA.,b Biologics Process Development, Global Manufacturing and Supply , Bristol-Myers Squibb Company , Devens , MA , USA
| | - Jianlin Xu
- b Biologics Process Development, Global Manufacturing and Supply , Bristol-Myers Squibb Company , Devens , MA , USA
| | - Christopher L Oliveira
- b Biologics Process Development, Global Manufacturing and Supply , Bristol-Myers Squibb Company , Devens , MA , USA
| | - Zheng Jian Li
- b Biologics Process Development, Global Manufacturing and Supply , Bristol-Myers Squibb Company , Devens , MA , USA
| | - Shijie Liu
- a Department of Paper and Bioprocess Engineering , SUNY ESF , Syracuse , NY , USA
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Abstract
Summary Nerve growth factor (NGF) is a prototype member of the neurotrophins family and has important functions in the maintenance of viability and proliferation of neuronal and non-neuronal cells, such as certain ovarian cells. The present review highlights the role of NGF and its receptors on ovarian follicle development. NGF initiates its multiple actions through binding to two classes of receptors: the high affinity receptor tyrosine kinase A (TrkA) and the low-affinity receptor p75. Different intracytoplasmic signalling pathways may be activated through binding to NGF due to variation in the receptors. The TrkA receptor activates predominantly phosphatidylinositol-3-kinase (PI3K) and mitogenic activated protein kinase (MAPK) to promote cell survival and proliferation. The activation of the phospholipase type Cγ (PLCγ) pathway, which results in the production of diacylglycerol (DAG) and inositol triphosphate (IP3), culminates in the release of calcium from the intracytoplasmic cellular stocks. However, the details of activation through p75 receptor are less well known. Expression of NGF and its receptors is localized in ovarian cells (oocyte, granulosa, theca and interstitial cells) from several species, which suggests that NGF and its receptors may regulate some ovarian functions such as follicular survival or development. Thus, the use of NGF in culture medium for ovarian follicles may be of critical importance for researchers who want to promote follicular development in vitro in the future.
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