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Temre MK, Yadav S, Goel Y, Pandey SK, Kumar A, Singh SM. Glutor, a Glucose Transporter Inhibitor, Exerts Antineoplastic Action on Tumor Cells of Thymic Origin: Implication of Modulated Metabolism, Survival, Oxidative Stress, Mitochondrial Membrane Potential, pH Homeostasis, and Chemosensitivity. Front Oncol 2022; 12:925666. [PMID: 35847943 PMCID: PMC9279700 DOI: 10.3389/fonc.2022.925666] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 06/01/2022] [Indexed: 12/21/2022] Open
Abstract
Neoplastic cells overexpress glucose transporters (GLUT), particularly GLUT1 and GLUT3, to support altered metabolism. Hence, novel strategies are being explored to effectively inhibit GLUTs for a daunting interference of glucose uptake. Glutor, a piperazine-2-one derivative, is a newly reported pan-GLUT inhibitor with a promising antineoplastic potential. However, several aspects of the underlying mechanisms remain obscure. To understand this better, tumor cells of thymic origin designated as Dalton's lymphoma (DL) were treated with glutor and analyzed for survival and metabolism regulatory molecular events. Treatment of tumor cells with glutor caused a decrease in cell survival with augmented induction of apoptosis. It also caused a decrease in glucose uptake associated with altered expression of GLUT1 and GLUT3. HIF-1α, HK-2, LDH-A, and MCT1 also decreased with diminished lactate production and deregulated pH homeostasis. Moreover, glutor treatment modulated the expression of cell survival regulatory molecules p53, Hsp70, IL-2 receptor CD25, and C-myc along with mitochondrial membrane depolarization, increased intracellular ROS expression, and altered Bcl-2/BAX ratio. Glutor also enhanced the chemosensitivity of tumor cells to cisplatin, accompanied by decreased MDR1 expression. Adding fructose to the culture medium containing glutor reversed the latter's inhibitory action on tumor cell survival. These results demonstrate that in addition to inhibited glucose uptake, modulated tumor growth regulatory molecular pathways are also implicated in the manifestation of the antineoplastic action of glutor. Thus, the novel findings of this study will have a long-lasting clinical significance in evaluating and optimizing the use of glutor in anticancer therapeutic strategies.
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Affiliation(s)
- Mithlesh Kumar Temre
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Saveg Yadav
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Yugal Goel
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Shrish Kumar Pandey
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Ajay Kumar
- Deparment of Zoology, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Sukh Mahendra Singh
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
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Romo-Perez A, Dominguez-Gomez G, Chavez-Blanco A, Taja-Chayeb L, Gonzalez-Fierro A, Diaz-Romero C, Lopez-Basave HN, Duenas-Gonzalez A. Progress in Metabolic Studies of Gastric Cancer and Therapeutic Implications. Curr Cancer Drug Targets 2022; 22:703-716. [DOI: 10.2174/1568009622666220413083534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 12/10/2021] [Accepted: 02/03/2022] [Indexed: 12/09/2022]
Abstract
Background:
Worldwide, gastric cancer is ranked the fifth malignancy in incidence and the third malignancy in mortality. Gastric cancer causes an altered metabolism that can be therapeutically exploited.
Objective:
To provide an overview of the significant metabolic alterations caused by gastric cancer and propose a blockade.
Methods:
A comprehensive and up-to-date review of descriptive and experimental publications on the metabolic alterations caused by gastric cancer and their blockade. This is not a systematic review.
Results:
Gastric cancer causes high rates of glycolysis and glutaminolysis. There are increased rates of de novo fatty acid synthesis and cholesterol synthesis. Moreover, gastric cancer causes high rates of lipid turnover via fatty acid -oxidation. Preclinical data indicate that the individual blockade of these pathways via enzyme targeting leads to
antitumor effects in vitro and in vivo. Nevertheless, there is no data on the simultaneous blockade of these five pathways, which is critical, as tumors show metabolic flexibility in response to the availability of nutrients. This means tumors may activate alternate routes when one or more are inhibited. We hypothesize there is a need to simultaneously blockade them to avoid or decrease the metabolic flexibility that may lead to treatment resistance.
Conclusions:
There is a need to explore the preclinical efficacy and feasibility of combined metabolic therapy targeting the pathways of glucose, glutamine, fatty acid synthesis, cholesterol synthesis, and fatty acid oxidation. This may have therapeutical implications because we have clinically available drugs that target these pathways in gastric cancer.
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Affiliation(s)
- Adriana Romo-Perez
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | - Alma Chavez-Blanco
- Division of Basic Research, Instituto Nacional de Cancerología, Mexico City, Mexico
| | - Lucia Taja-Chayeb
- Division of Basic Research, Instituto Nacional de Cancerología, Mexico City, Mexico
| | | | | | | | - Alfonso Duenas-Gonzalez
- Instituto Nacional de Cancerología, Mexico City, Mexico
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
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3
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Romo-Perez A, Dominguez-Gomez G, Chavez-Blanco A, Taja-Chayeb L, Gonzalez-Fierro A, Martinez EG, Correa-Basurto J, Duenas-Gonzalez A. BAPST. A Combo of Common use drugs as metabolic therapy of cancer-a theoretical proposal. Curr Mol Pharmacol 2021; 15:815-831. [PMID: 34620071 DOI: 10.2174/1874467214666211006123728] [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: 05/20/2021] [Revised: 08/16/2021] [Accepted: 09/01/2021] [Indexed: 12/24/2022]
Abstract
Advances in cancer therapy have yet to impact worldwide cancer mortality. Poor cancer drug affordability is one of the factors limiting mortality burden strikes. Up to now, cancer drug repurposing had no meet expectations concerning drug affordability. The three FDA-approved cancer drugs developed under repurposing -all-trans-retinoic acid, arsenic trioxide, and thalidomide- do not differ in price from other drugs developed under the classical model. Though additional factors affect the whole process from inception to commercialization, the repurposing of widely used, commercially available, and cheap drugs may help. This work reviews the concept of the malignant metabolic phenotype and its exploitation by simultaneously blocking key metabolic processes altered in cancer. We elaborate on a combination called BAPST, which stands for the following drugs and pathways they inhibit: Benserazide (glycolysis), Apomorphine (glutaminolysis), Pantoprazole (Fatty-acid synthesis), Simvastatin (mevalonate pathway), and Trimetazidine (Fatty-acid oxidation). Their respective primary indications are: • Parkinson's disease (benserazide and apomorphine). • Peptic ulcer disease (pantoprazole). • Hypercholesterolemia (simvastatin). • Ischemic heart disease (trimetazidine). When used for their primary indication, the literature review on each of these drugs shows they have a good safety profile and lack predicted pharmacokinetic interaction among them. Most importantly, the inhibitory enzymatic concentrations required for inhibiting their cancer targets enzymes are below the plasma concentrations observed when these drugs are used for their primary indication. Based on that, we propose that the regimen BAPTS merits preclinical testing.
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Affiliation(s)
- Adriana Romo-Perez
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City. Mexico
| | | | - Alma Chavez-Blanco
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City. Mexico
| | - Lucia Taja-Chayeb
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City. Mexico
| | - Aurora Gonzalez-Fierro
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City. Mexico
| | | | - Jose Correa-Basurto
- Laboratorio de Diseño y Desarrollo de Nuevos Fármacos e Innovación Biotecnológica, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City. Mexico
| | - Alfonso Duenas-Gonzalez
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City. Mexico
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4
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Hyperosmolarity Triggers the Warburg Effect in Chinese Hamster Ovary Cells and Reveals a Reduced Mitochondria Horsepower. Metabolites 2021; 11:metabo11060344. [PMID: 34073567 PMCID: PMC8226498 DOI: 10.3390/metabo11060344] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 05/18/2021] [Indexed: 12/22/2022] Open
Abstract
Tumor cells are known to favor a glycolytic metabolism over oxidative phosphorylation (OxPhos), which takes place in mitochondria, to produce the energy and building blocks essential for cell maintenance and cell growth. This phenotypic property of tumor cells gives them several advantages over normal cells and is known as the Warburg effect. Tumors can be treated as a metabolic disease by targeting their bioenergetics capacity. Alpha-lipoic acid (ALA) and calcium hydroxycitrate (HCA) are two drugs known to target the Warburg effect in tumor cells and hence induce the mitochondria for ATP production. However, tumor cells, known to have an increased flux through glycolysis, are not able to handle the activation of their mitochondria by drugs or any other condition, leading to decoupling of gene regulation. In this study, these drug effects were studied by mimicking an inflammatory condition through the imposition of a hyperosmotic condition in Chinese hamster ovary (CHO) cells, which behave similarly to tumor cells. Indeed, CHO cells grown in high osmolarity conditions, using 200 mM mannitol, showed a pronounced Warburg effect phenotype. Our results show that hyperosmolar conditions triggered high-throughput glycolysis and enhanced glutaminolysis in CHO cells, such as during cancer cell proliferation in inflammatory tissue. Finally, we found that the hyperosmolar condition was correlated with increased mitochondrial membrane potential (ΔΨm) but mitochondrial horsepower seemed to vanish (h = Δp/ΔΨm), which may be explained by mitochondrial hyperfusion.
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Pharmacological inhibition of tumor anabolism and host catabolism as a cancer therapy. Sci Rep 2021; 11:5222. [PMID: 33664364 PMCID: PMC7933231 DOI: 10.1038/s41598-021-84538-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 02/08/2021] [Indexed: 12/13/2022] Open
Abstract
The malignant energetic demands are satisfied through glycolysis, glutaminolysis and de novo synthesis of fatty acids, while the host curses with a state of catabolism and systemic inflammation. The concurrent inhibition of both, tumor anabolism and host catabolism, and their effect upon tumor growth and whole animal metabolism, have not been evaluated. We aimed to evaluate in colon cancer cells a combination of six agents directed to block the tumor anabolism (orlistat + lonidamine + DON) and the host catabolism (growth hormone + insulin + indomethacin). Treatment reduced cellular viability, clonogenic capacity and cell cycle progression. These effects were associated with decreased glycolysis and oxidative phosphorylation, leading to a quiescent energetic phenotype, and with an aberrant transcriptomic landscape showing dysregulation in multiple metabolic pathways. The in vivo evaluation revealed a significant tumor volume inhibition, without damage to normal tissues. The six-drug combination preserved lean tissue and decreased fat loss, while the energy expenditure got decreased. Finally, a reduction in gene expression associated with thermogenesis was observed. Our findings demonstrate that the simultaneous use of this six-drug combination has anticancer effects by inducing a quiescent energetic phenotype of cultured cancer cells. Besides, the treatment is well-tolerated in mice and reduces whole animal energetic expenditure and fat loss.
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6
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Host cell glutamine metabolism as a potential antiviral target. Clin Sci (Lond) 2021; 135:305-325. [PMID: 33480424 DOI: 10.1042/cs20201042] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 12/08/2020] [Accepted: 01/04/2021] [Indexed: 12/20/2022]
Abstract
A virus minimally contains a nucleic acid genome packaged by a protein coat. The genome and capsid together are known as the nucleocapsid, which has an envelope containing a lipid bilayer (mainly phospholipids) originating from host cell membranes. The viral envelope has transmembrane proteins that are usually glycoproteins. The proteins in the envelope bind to host cell receptors, promoting membrane fusion and viral entry into the cell. Virus-infected host cells exhibit marked increases in glutamine utilization and metabolism. Glutamine metabolism generates ATP and precursors for the synthesis of macromolecules to assemble progeny viruses. Some compounds derived from glutamine are used in the synthesis of purines and pyrimidines. These latter compounds are precursors for the synthesis of nucleotides. Inhibitors of glutamine transport and metabolism are potential candidate antiviral drugs. Glutamine is also an essential nutrient for the functions of leukocytes (lymphocyte, macrophage, and neutrophil), including those in virus-infected patients. The increased glutamine requirement for immune cell functions occurs concomitantly with the high glutamine utilization by host cells in virus-infected patients. The development of antiviral drugs that target glutamine metabolism must then be specifically directed at virus-infected host cells to avoid negative effects on immune functions. Therefore, the aim of this review was to describe the landscape of cellular glutamine metabolism to search for potential candidates to inhibit glutamine transport or glutamine metabolism.
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7
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The Potential of Lonidamine in Combination with Chemotherapy and Physical Therapy in Cancer Treatment. Cancers (Basel) 2020; 12:cancers12113332. [PMID: 33187214 PMCID: PMC7696079 DOI: 10.3390/cancers12113332] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 11/09/2020] [Indexed: 02/07/2023] Open
Abstract
Simple Summary The unique characteristics of tumor energy metabolism (highly dependent on aerobic glycolysis, namely, the Warburg effect) make it an interesting and attractive target for drug discovery. Radio- and chemoresistance are closely associated with the Warburg effect. Lonidamine (LND), as a glycolytic inhibitor, although having low anticancer activity when used alone, exhibits selectivity to various tumors, and its adverse effects do not overlap when combined with other chemotherapeutic drugs. Therefore, LND may be very promising as a sensitizer of tumors to chemotherapeutic agents and physical therapies. This review summarizes the advance of LND in combination with chemotherapy and physical therapy over the past several decades, as well as the promising LND derivative adjudin (ADD). The underlying sensitizing mechanisms were also analyzed and discussed, which may contribute to an improved therapeutic effect in future clinical cancer treatment. Abstract Lonidamine (LND) has the ability to resist spermatogenesis and was first used as an anti-spermatogenic agent. Later, it was found that LND has a degree of anticancer activity. Currently, LND is known to target energy metabolism, mainly involving the inhibition of monocarboxylate transporter (MCT), mitochondrial pyruvate carrier (MPC), respiratory chain complex I/II, mitochondrial permeability transition (PT) pore, and hexokinase II (HK-II). However, phase II clinical studies showed that LND alone had a weak therapeutic effect, and the effect was short and reversible. Interestingly, LND does not have the common side effects of traditional chemotherapeutic drugs, such as alopecia and myelosuppression. In addition, LND has selective activity toward various tumors, and its toxic and side effects do not overlap when combined with other chemotherapeutic drugs. Therefore, LND is commonly used as a chemosensitizer to enhance the antitumor effects of chemotherapeutic drugs based on its disruption of energy metabolism relating to chemo- or radioresistance. In this review, we summarized the combination treatments of LND with several typical chemotherapeutic drugs and several common physical therapies, such as radiotherapy (RT), hyperthermia (HT), and photodynamic therapy (PDT), and discussed the underlying mechanisms of action. Meanwhile, the development of novel formulations of LND in recent years and the research progress of LND derivative adjudin (ADD) as an anticancer drug were also discussed.
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8
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Schcolnik-Cabrera A, Chavez-Blanco A, Dominguez-Gomez G, Juarez M, Lai D, Hua S, Tovar AR, Diaz-Chavez J, Duenas-Gonzalez A. The combination of orlistat, lonidamine and 6-diazo-5-oxo-L-norleucine induces a quiescent energetic phenotype and limits substrate flexibility in colon cancer cells. Oncol Lett 2020; 20:3053-3060. [PMID: 32782623 DOI: 10.3892/ol.2020.11838] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 04/16/2020] [Indexed: 02/06/2023] Open
Abstract
Cancer upregulates glycolysis, glutaminolysis and lipogenesis, and induces a catabolic state in patients. The concurrent inhibition of both tumor anabolism and host catabolism, and the energetic consequences of such an approach, have not previously been fully investigated. In the present study, CT26.WT murine colon cancer cells were treated with the combination of anti-anabolic drugs orlistat, lonidamine and 6-diazo-5-oxo-L-norleucine (DON; OLD scheme), which are inhibitors of the de novo synthesis of fatty acids, glycolysis and glutaminolysis, respectively. In addition, the effects of OLD scheme sumplemented with the combination of anti-catabolic compounds, namely growth hormone, insulin and indomethacin (GII scheme), were also evaluated. The effects of the compounds used in combination on CT26.WT cell viability, clonogenicity and energetic metabolism were assessed in vitro. The results demonstrated that the anti-anabolic approach reduced cell viability, clonogenicity and cell cycle progression, and increased apoptosis. These effects were associated with decreased oxidative phosphorylation, glycolysis and fuel flexibility. Furthermore, the anti-catabolic scheme, alone or supplemented with anti-anabolic compounds, did not favor tumor growth. These findings indicated that the simultaneous pharmacological inhibition of tumor anabolism and host catabolism exhibits antitumor effects that should be further evaluated.
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Affiliation(s)
| | - Alma Chavez-Blanco
- Division of Basic Research, National Cancer Institute, Mexico City 14080, Mexico
| | | | - Mandy Juarez
- Division of Basic Research, National Cancer Institute, Mexico City 14080, Mexico
| | - Donna Lai
- Molecular Biology Facility, University of Sydney, Sydney, NSW 2006, Australia
| | - Sheng Hua
- Molecular Biology Facility, University of Sydney, Sydney, NSW 2006, Australia
| | - Armando R Tovar
- Nutrition Physiology Department, National Institute of Medical Sciences and Nutrition Salvador Zubirán, Mexico City 14080, Mexico
| | - Jose Diaz-Chavez
- Division of Basic Research, National Cancer Institute, Mexico City 14080, Mexico
| | - Alfonso Duenas-Gonzalez
- Division of Basic Research, National Cancer Institute, Mexico City 14080, Mexico.,Unit of Biomedical Research in Cancer, Institute of Biomedical Research, National Autonomous University of Mexico, Mexico City 14080, Mexico
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9
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Garcia SN, Guedes RC, Marques MM. Unlocking the Potential of HK2 in Cancer Metabolism and Therapeutics. Curr Med Chem 2020; 26:7285-7322. [PMID: 30543165 DOI: 10.2174/0929867326666181213092652] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 10/26/2018] [Accepted: 11/06/2018] [Indexed: 12/24/2022]
Abstract
Glycolysis is a tightly regulated process in which several enzymes, such as Hexokinases (HKs), play crucial roles. Cancer cells are characterized by specific expression levels of several isoenzymes in different metabolic pathways and these features offer possibilities for therapeutic interventions. Overexpression of HKs (mostly of the HK2 isoform) have been consistently reported in numerous types of cancer. Moreover, deletion of HK2 has been shown to decrease cancer cell proliferation without explicit side effects in animal models, which suggests that targeting HK2 is a viable strategy for cancer therapy. HK2 inhibition causes a substantial decrease of glycolysis that affects multiple pathways of central metabolism and also destabilizes the mitochondrial outer membrane, ultimately enhancing cell death. Although glycolysis inhibition has met limited success, partly due to low selectivity for specific isoforms and excessive side effects of the reported HK inhibitors, there is ample ground for progress. The current review is focused on HK2 inhibition, envisaging the development of potent and selective anticancer agents. The information on function, expression, and activity of HKs is presented, along with their structures, known inhibitors, and reported effects of HK2 ablation/inhibition. The structural features of the different isozymes are discussed, aiming to stimulate a more rational approach to the design of selective HK2 inhibitors with appropriate drug-like properties. Particular attention is dedicated to a structural and sequence comparison of the structurally similar HK1 and HK2 isoforms, aiming to unveil differences that could be explored therapeutically. Finally, several additional catalytic- and non-catalytic roles on different pathways and diseases, recently attributed to HK2, are reviewed and their implications briefly discussed.
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Affiliation(s)
- Sara N Garcia
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal.,iMed.ULisboa, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Rita C Guedes
- iMed.ULisboa, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - M Matilde Marques
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
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10
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Muhammad N, Tan CP, Muhammad K, Wang J, Sadia N, Pan ZY, Ji LN, Mao ZW. Mitochondria-targeting monofunctional platinum( ii)–lonidamine conjugates for cancer cell de-energization. Inorg Chem Front 2020. [DOI: 10.1039/d0qi01028f] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We report the rational design and anticancer mechanism studies of novel mitochondria-targeting monofunctional Pt(ii)–lonidamine conjugates for the selective de-energization of cancer cells.
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Affiliation(s)
- Nafees Muhammad
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Kamran Muhammad
- State Key Laboratory of Oncology in South China
- Sun Yat-Sen University Cancer Research Center
- Collaborative Innovation Center for Cancer Medicine
- Guangzhou 510275
- P. R. China
| | - Jie Wang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Nasreen Sadia
- Department of Environmental Engineering
- University of Engineering & Technology (UET) Taxila
- Taxila 47080
- Pakistan
| | - Zheng-Yin Pan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Liang-Nian Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Zong-Wan Mao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
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Cioccoloni G, Aquino A, Notarnicola M, Caruso MG, Bonmassar E, Zonfrillo M, Caporali S, Faraoni I, Villivà C, Fuggetta MP, Franzese O. Fatty acid synthase inhibitor orlistat impairs cell growth and down-regulates PD-L1 expression of a human T-cell leukemia line. J Chemother 2019; 32:30-40. [PMID: 31775585 DOI: 10.1080/1120009x.2019.1694761] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Fatty Acid Synthase (FASN) is responsible for the de novo synthesis of fatty acids, which are involved in the preservation of biological membrane structure, energy storage and assembly of factors involved in signal transduction. FASN plays a critical role in supporting tumor cell growth, thus representing a potential target for anti-cancer therapies. Moreover, this enzyme has been recently associated with increased PD-L1 expression, suggesting a role for fatty acids in the impairment of the immune response in the tumor microenvironment. Orlistat, a tetrahydrolipstatin used for the treatment of obesity, has been reported to reduce FASN activity, while inducing a sensible reduction of the growth potential in different cancer models. We have analyzed the effect of orlistat on different features involved in the tumor cell biology of the T-ALL Jurkat cell line. In particular, we have observed that orlistat inhibits Jurkat cell growth and induces a perturbation of cell cycle along with a decline of FASN activity and protein levels. Moreover, the drug produces a remarkable impairment of PD-L1 expression. These findings suggest that orlistat interferes with different mechanisms involved in the control of tumor cell growth and can potentially contribute to decrease the tumor-associated immune-pathogenesis.
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Affiliation(s)
- Giorgia Cioccoloni
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Angelo Aquino
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Maria Notarnicola
- Laboratory of Nutritional Biochemistry, National Institute for Digestive Diseases S. de Bellis, Bari, Italy
| | - Maria Gabriella Caruso
- Laboratory of Nutritional Biochemistry, National Institute for Digestive Diseases S. de Bellis, Bari, Italy
| | - Enzo Bonmassar
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.,Institute of Translational Pharmacology, National Council of Research, Rome, Italy
| | - Manuela Zonfrillo
- Institute of Translational Pharmacology, National Council of Research, Rome, Italy
| | - Simona Caporali
- Laboratory of Molecular Oncology, IDI-IRCCS Rome, Rome, Italy
| | - Isabella Faraoni
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Cristina Villivà
- Institute of Translational Pharmacology, National Council of Research, Rome, Italy
| | - Maria Pia Fuggetta
- Institute of Translational Pharmacology, National Council of Research, Rome, Italy
| | - Ornella Franzese
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
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12
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Schcolnik-Cabrera A, Dominguez-Gómez G, Chávez-Blanco A, Ramírez-Yautentzi M, Morales-Bárcenas R, Chávez-Díaz J, Taja-Chayeb L, Dueáas-González A. A combination of inhibitors of glycolysis, glutaminolysis and de novo fatty acid synthesis decrease the expression of chemokines in human colon cancer cells. Oncol Lett 2019; 18:6909-6916. [PMID: 31788130 DOI: 10.3892/ol.2019.11008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 09/24/2019] [Indexed: 12/18/2022] Open
Abstract
Lonidamine, 6-Diazo-5-oxo-L-norleucine (DON) and orlistat are well known inhibitors of glycolysis, glutaminolysis and of de novo fatty acid synthesis, respectively. Although their antitumor effects have been explored in detail, the potential inhibition of the malignant metabolic phenotype and its influence on the expression of chemokines and growth factors involved in colon cancer, have not been previously reported to the best of our knowledge. In the present study, dose-response curves with orlistat, lonidamine or DON were generated from cell viability assays conducted in SW480 colon cancer cells. In addition, the synergistic effect of these compounds was evaluated in SW480 human colon cancer cells. The determination of the doses used for maximum synergistic efficacy led to the exploration of the mRNA levels of the target genes hexokinase-2 (HK2), glutaminase-1 (GLS-1) and fatty acid synthase (FASN) in human SW480 and murine CT26.WT colon cancer cells. The cell viability was evaluated following transfection with small interfering (si)RNA targeting these genes and was assessed with trypan blue. The expression levels of chemokines and growth factors were quantified in the supernatant of SW480 cells with LEGENDplex™. The combination of lonidamine, DON and orlistat resulted in a synergistic cytotoxic effect and induced the transcription of the corresponding gene targets but their corresponding proteins were actually downregulated. The downregulation of the expression levels of HK2, GLS-1 and FASN following transfection of the cells with the corresponding siRNA sequences decreased their viability. The treatment significantly reduced the expression levels of 9 chemokines [interleukin-9, C-X-C motif chemokine ligand (CXCL) 10, eotaxin, chemokine ligand (CCL) 9, CXCL5, CCL20, CXCL1, CXCL11 and CCCL4] and one growth factor (stem cell factor). These changes were associated with decreased phosphorylated-nuclear factor κB-p65. The data demonstrate that lonidamine, DON and orlistat in combination reduce the expression levels of chemokines and growth factors in colon cancer cells. Additional research is required to investigate the exact way by which both tumor and stromal cells regulate the expression levels of chemokines and growth factors.
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Affiliation(s)
| | | | - Alma Chávez-Blanco
- Basic Research Division, National Cancer Institute, Mexico City 14080, Mexico
| | | | | | - José Chávez-Díaz
- Basic Research Division, National Cancer Institute, Mexico City 14080, Mexico
| | - Lucía Taja-Chayeb
- Basic Research Division, National Cancer Institute, Mexico City 14080, Mexico
| | - Alfonso Dueáas-González
- Basic Research Division, National Cancer Institute, Mexico City 14080, Mexico.,Biomedical Research Unit in Cancer, Biomedical Research Institute, National Autonomous University of Mexico, Mexico City 14080, Mexico
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Yang H, Zhong JT, Zhou SH, Han HM. Roles of GLUT-1 and HK-II expression in the biological behavior of head and neck cancer. Oncotarget 2019; 10:3066-3083. [PMID: 31105886 PMCID: PMC6508962 DOI: 10.18632/oncotarget.24684] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 02/28/2019] [Indexed: 12/29/2022] Open
Abstract
The Warburg effect plays an important role in the proliferation and invasion of malignant tumors. Glucose transporter 1 and hexokinase II are two key energy transporters involved in mediating the Warburg effect. This review will analyze the mechanisms of these two markers in their effects on the biological behavior of head and neck cancer.
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Affiliation(s)
- Hang Yang
- Department of Otorhinolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China.,Present Address: Department of Otorhinolaryngology, The People's Hospital of Jiangshan City, Jiangshan, Zhejiang, 324100, China
| | - Jiang-Tao Zhong
- Department of Otorhinolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Shui-Hong Zhou
- Department of Otorhinolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - He-Ming Han
- Department of Otorhinolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
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14
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Zhang X, Li Z, Xuan Z, Xu P, Wang W, Chen Z, Wang S, Sun G, Xu J, Xu Z. Novel role of miR-133a-3p in repressing gastric cancer growth and metastasis via blocking autophagy-mediated glutaminolysis. J Exp Clin Cancer Res 2018; 37:320. [PMID: 30572959 PMCID: PMC6302516 DOI: 10.1186/s13046-018-0993-y] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Accepted: 12/04/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Autophagy plays a crucial role in sustaining the homeostasis in various malignant diseases. It has also been reported to promote tumor development in multiple cancers. Glutaminolysis instead of Warburg Effect produce adequate ATP and provide nitrogen and carbon to replenish the TCA cycle which has been discovered to be a new energy source for tumor cells recently. By means of degrading intracellular particles including amino acids, nucleotides, fatty acids, sugars and aged organisms, autophagy can recycle the aforementioned particles into bioenergetics and biosynthesis pathways, finally favoring tumor cells. MicroRNA is a kind of noncoding RNA that regulates the targeting gene expression mostly at post-transcription level. Among these miRNAs, microRNA-133a-3p is reported to be a tumor suppressor in numerous cancers. METHODS We characterized the down-regulated expression level of microRNA-133a-3p in gastric cancer via TCGA database. Subsequently, we verified the tumor suppressor role of microRNA-133a-3p in gastric cancer cells through a series biological function assay. We used immunofluorescence and transmission electron microscope to observe the negative effect of microRNA-133a-3p on autophagy and used dual-luciferase report assay to identify the candidate gene GABARAPL1 of microRNA-133A-3p.Then we used high performance liquid phase mass spectrometry and seahorse analysis to detect whether miR-133a-3p could block the glutaminolysis metabolism through autophagy. At last, we confirmed the tumor suppressor role of microRNA-133a-3p in vivo on PDX mice model. RESULTS We demonstrated that microRNA-133a-3p overexpression could block the activation of autophagy to ruin the abnormal glutaminolysis and further inhibit the growth and metastasis of gastric cancer cells. We successfully proved gastric cancer cells can replenish glutaminolysis via autophagy and microRNA-133a-3p could block aforementioned pathway by targeting core autophagy participants GABARAPL1 and ATG13.We then verified the negative function of microRNA-133a-3p on autophagy-mediated glutaminolysis both in PDX model and human gastric cancer organoid model. CONCLUSIONS MicroRNA-133a-3p targets GABARAPL1 to block autophagy-mediated glutaminolysis, further repressing gastric cancer growth and metastasis.
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Affiliation(s)
- Xing Zhang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
| | - Zheng Li
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
| | - Zhe Xuan
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
| | - Penghui Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
| | - Weizhi Wang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
| | - Zheng Chen
- Department of Surgical Oncology, University of Miami, Miami, USA
| | - Sen Wang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
| | - Guangli Sun
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
| | - Jianghao Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
| | - Zekuan Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou road, Nanjing, Jiangsu province China
- Collaborative Innovation Center For Cancer Personalized Medicine, Nanjing Medical University, Nanjing, 210029 Jiangsu Province China
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15
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Schcolnik-Cabrera A, Chávez-Blanco A, Domínguez-Gómez G, Taja-Chayeb L, Morales-Barcenas R, Trejo-Becerril C, Perez-Cardenas E, Gonzalez-Fierro A, Dueñas-González A. Orlistat as a FASN inhibitor and multitargeted agent for cancer therapy. Expert Opin Investig Drugs 2018; 27:475-489. [PMID: 29723075 DOI: 10.1080/13543784.2018.1471132] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Cancer cells have increased glycolysis and glutaminolysis. Their third feature is increased de novo lipogenesis. As such, fatty acid (FA) synthesis enzymes are over-expressed in cancer and their depletion causes antitumor effects. As fatty acid synthase (FASN) plays a pivotal role in this process, it is an attractive target for cancer therapy. AREAS COVERED This is a review of the lipogenic phenotype of cancer and how this phenomenon can be exploited for cancer therapy using inhibitors of FASN, with particular emphasis on orlistat as a repurposing drug. EXPERT OPINION Disease stabilization only has been observed with a highly selective FASN inhibitor used as a single agent in clinical trials. It is too early to say whether the absence of tumor responses other than stabilization results because even full inhibition of FASN is not enough to elicit antitumor responses. The FASN inhibitor orlistat is a 'dirty' drug with target-off actions upon at least seven targets with a proven role in tumor biology. The development of orlistat formulations suited for its intravenous administration is a step ahead to shed light on the concept that drug promiscuity can or not be a virtue.
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Affiliation(s)
| | - Alma Chávez-Blanco
- a Division of Basic Research , Instituto Nacional de Cancerologia , Mexico City , Mexico
| | | | - Lucia Taja-Chayeb
- a Division of Basic Research , Instituto Nacional de Cancerologia , Mexico City , Mexico
| | - Rocio Morales-Barcenas
- a Division of Basic Research , Instituto Nacional de Cancerologia , Mexico City , Mexico
| | | | - Enrique Perez-Cardenas
- a Division of Basic Research , Instituto Nacional de Cancerologia , Mexico City , Mexico
| | - Aurora Gonzalez-Fierro
- a Division of Basic Research , Instituto Nacional de Cancerologia , Mexico City , Mexico
| | - Alfonso Dueñas-González
- b Unit of Biomedical Research in Cancer , Instituto de Investigaciones Biomedicas, UNAM/Instituto Nacional de Cancerologia , Mexico City , Mexico
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16
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Liu X, Wang Y, Duclos RI, O’Doherty GA. Stereochemical Structure Activity Relationship Studies (S-SAR) of Tetrahydrolipstatin. ACS Med Chem Lett 2018. [PMID: 29541373 DOI: 10.1021/acsmedchemlett.8b00050] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Tetrahydrolipstatin (THL), its enantiomer, and an additional six diastereomers were evaluated as inhibitors of the hydrolysis of p-nitrophenyl butyrate by porcine pancreatic lipase. IC50s were found for all eight stereoisomers ranging from a low of 4.0 nM for THL to a high of 930 nM for the diastereomer with the inverted stereocenters at the 2,3,2'-positions. While the enantiomer of THL was also significantly less active (77 nM) the remaining five stereoisomers retained significant inhibitory activities (IC50s = 8.0 to 20 nM). All eight compounds were also evaluated against three human cancer cell lines (human breast cancers MCF-7 and MDA-MB-231, human large-cell lung carcinoma H460). No appreciable cytotoxicity was observed for THL and its seven diastereomers, as their IC50s in a MTT cytotoxicity assay were all greater than 3 orders of magnitude of camptothecin.
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Affiliation(s)
- Xiaofan Liu
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - Yanping Wang
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - Richard I. Duclos
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
| | - George A. O’Doherty
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
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17
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Feasibility and antitumor efficacy in vivo, of simultaneously targeting glycolysis, glutaminolysis and fatty acid synthesis using lonidamine, 6-diazo-5-oxo-L-norleucine and orlistat in colon cancer. Oncol Lett 2017; 13:1905-1910. [PMID: 28454342 DOI: 10.3892/ol.2017.5615] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Accepted: 09/13/2016] [Indexed: 12/14/2022] Open
Abstract
The aim of the present study was to investigate in vivo the feasibility and efficacy of the combination of lonidamine (LND), 6-diazo-5-oxo-L-norleucine (DON) and orlistat to simultaneously target glycolysis, glutaminolysis and de novo synthesis of fatty acids, respectively. The doses of LND and DON used in humans were translated to mouse doses (77.7 mg/kg and 145.5 mg/kg, respectively) and orlistat was used at 240 mg/kg. Three schedules of LND, DON and orlistat at different doses were administered by intraperitoneal injection to BALB/c mice in a 21-day cycle (schedule 1: LND, 0.5 mg/day; DON, 0.25 mg/day 1, 5 and 9; orlistat, 240 mg/kg/day; schedule 2: LND, 0.1 mg/day; DON, 0.5 mg/day 1, 5 and 9; orlistat, 240 mg/kg/day; schedule 3: LND, 0.5 mg/day; DON, 0.08 mg/day 1, 5 and 9; orlistat, 360 mg/kg/day) to assess tolerability. To determine the antitumor efficacy, a syngeneic tumor model in BALB/c mice was created using colon cancer CT26.WT cells, and a xenogeneic tumor model was created in nude mice using the human colon cancer SW480 cell line. Mice were treated with schedule 1. Animals were weighed, clinically inspected during the experiment and the tumor volume was measured at day 21. The 3 schedules assessed in the tolerability experiments were well tolerated, as mice maintained their weight and no evident clinical signs of toxicity were observed. Combination treatment with schedule 1 significantly decreased tumor growth in each mouse model. No evident signs of toxicity were observed and mice maintained their weight during treatment. The triple metabolic blockade of the malignant phenotype appears feasible and promising for cancer therapy.
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18
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Nath K, Guo L, Nancolas B, Nelson DS, Shestov AA, Lee SC, Roman J, Zhou R, Leeper DB, Halestrap AP, Blair IA, Glickson JD. Mechanism of antineoplastic activity of lonidamine. Biochim Biophys Acta Rev Cancer 2016; 1866:151-162. [PMID: 27497601 DOI: 10.1016/j.bbcan.2016.08.001] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 07/26/2016] [Accepted: 08/03/2016] [Indexed: 12/19/2022]
Abstract
Lonidamine (LND) was initially introduced as an antispermatogenic agent. It was later found to have anticancer activity sensitizing tumors to chemo-, radio-, and photodynamic-therapy and hyperthermia. Although the mechanism of action remained unclear, LND treatment has been known to target metabolic pathways in cancer cells. It has been reported to alter the bioenergetics of tumor cells by inhibiting glycolysis and mitochondrial respiration, while indirect evidence suggested that it also inhibited l-lactic acid efflux from cells mediated by members of the proton-linked monocarboxylate transporter (MCT) family and also pyruvate uptake into the mitochondria by the mitochondrial pyruvate carrier (MPC). Recent studies have demonstrated that LND potently inhibits MPC activity in isolated rat liver mitochondria (Ki 2.5μM) and cooperatively inhibits l-lactate transport by MCT1, MCT2 and MCT4 expressed in Xenopus laevis oocytes with K0.5 and Hill coefficient values of 36-40μM and 1.65-1.85, respectively. In rat heart mitochondria LND inhibited the MPC with similar potency and uncoupled oxidation of pyruvate was inhibited more effectively (IC50~7μM) than other substrates including glutamate (IC50~20μM). LND inhibits the succinate-ubiquinone reductase activity of respiratory Complex II without fully blocking succinate dehydrogenase activity. LND also induces cellular reactive oxygen species through Complex II and has been reported to promote cell death by suppression of the pentose phosphate pathway, which resulted in inhibition of NADPH and glutathione generation. We conclude that MPC inhibition is the most sensitive anti-tumour target for LND, with additional inhibitory effects on MCT-mediated l-lactic acid efflux, Complex II and glutamine/glutamate oxidation.
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Affiliation(s)
- Kavindra Nath
- Laboratory of Molecular Imaging, Department of Radiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA.
| | - Lili Guo
- Center of Excellence in Environmental Toxicology, Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Bethany Nancolas
- School of Biochemistry, Biomedical Sciences Building, University of Bristol, BS8 1TD, UK
| | - David S Nelson
- Laboratory of Molecular Imaging, Department of Radiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Alexander A Shestov
- Laboratory of Molecular Imaging, Department of Radiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Seung-Cheol Lee
- Laboratory of Molecular Imaging, Department of Radiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Jeffrey Roman
- Laboratory of Molecular Imaging, Department of Radiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Rong Zhou
- Laboratory of Molecular Imaging, Department of Radiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Dennis B Leeper
- Department of Radiation Oncology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Andrew P Halestrap
- School of Biochemistry, Biomedical Sciences Building, University of Bristol, BS8 1TD, UK
| | - Ian A Blair
- Center of Excellence in Environmental Toxicology, Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Jerry D Glickson
- Laboratory of Molecular Imaging, Department of Radiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
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Cervantes-Madrid D, Romero Y, Dueñas-González A. Reviving Lonidamine and 6-Diazo-5-oxo-L-norleucine to Be Used in Combination for Metabolic Cancer Therapy. BIOMED RESEARCH INTERNATIONAL 2015; 2015:690492. [PMID: 26425550 PMCID: PMC4575731 DOI: 10.1155/2015/690492] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 06/23/2015] [Accepted: 08/16/2015] [Indexed: 01/20/2023]
Abstract
Abnormal metabolism is another cancer hallmark. The two most characterized altered metabolic pathways are high rates of glycolysis and glutaminolysis, which are natural targets for cancer therapy. Currently, a number of newer compounds to block glycolysis and glutaminolysis are being developed; nevertheless, lonidamine and 6-diazo-5-oxo-L-norleucine (DON) are two old drugs well characterized as inhibitors of glycolysis and glutaminolysis, respectively, whose clinical development was abandoned years ago when the importance of cancer metabolism was not fully appreciated and clinical trial methodology was less developed. In this review, a PubMed search using the words lonidamine and 6-diazo-5-oxo-L-norleucine (DON) was undertaken to analyse existing information on the preclinical and clinical studies of these drugs for cancer treatment. Data show that they exhibit antitumor effects; besides there is also the suggestion that they are synergistic. We conclude that lonidamine and DON are safe and potentially effective drugs that need to be reevaluated in combination as metabolic therapy of cancer.
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Affiliation(s)
| | - Yair Romero
- Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510 Mexico City, DF, Mexico
| | - Alfonso Dueñas-González
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Cancerología, 14080 Mexico City, DF, Mexico
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