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Zhang C, Huang T, Li L. Targeting cuproptosis for cancer therapy: mechanistic insights and clinical perspectives. J Hematol Oncol 2024; 17:68. [PMID: 39152464 PMCID: PMC11328505 DOI: 10.1186/s13045-024-01589-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Accepted: 08/02/2024] [Indexed: 08/19/2024] Open
Abstract
Cuproptosis is a newly identified form of cell death induced by excessive copper (Cu) accumulation within cells. Mechanistically, cuproptosis results from Cu-induced aggregation of dihydrolipoamide S-acetyltransferase, correlated with the mitochondrial tricarboxylic acid cycle and the loss of iron-sulfur cluster proteins, ultimately resulting in proteotoxic stress and triggering cell death. Recently, cuproptosis has garnered significant interest in tumor research due to its potential as a crucial therapeutic strategy against cancer. In this review, we summarized the cellular and molecular mechanisms of cuproptosis and its relationship with other types of cell death. Additionally, we reviewed the current drugs or strategies available to induce cuproptosis in tumor cells, including Cu ionophores, small compounds, and nanomedicine. Furthermore, we targeted cell metabolism and specific regulatory genes in cancer therapy to enhance tumor sensitivity to cuproptosis. Finally, we discussed the feasibility of targeting cuproptosis to overcome tumor chemotherapy and immunotherapy resistance and suggested future research directions. This study suggested that targeting cuproptosis could open new avenues for developing tumor therapy.
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Affiliation(s)
- Chenliang Zhang
- Division of Abdominal Cancer, Department of Medical Oncology, Cancer Center and Laboratory of Molecular Targeted Therapy in Oncology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China.
| | - Tingting Huang
- Division of Abdominal Cancer, Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Liping Li
- Department of Pharmacy, Chengdu Fifth People's Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, People's Republic of China
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2
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Scutigliani EM, van Hattum J, Lobo-Cerna F, Kruyswijk J, Myrcha M, Dekkers FEGA, Hoebe RA, Edwards F, Oppelaar JJ, Vogt L, Bootsma S, Bijlsma MF, Picavet DI, Crezee J, Oddens JR, de Reijke TM, Krawczyk PM. Perturbation of Copper Homeostasis Sensitizes Cancer Cells to Elevated Temperature. Int J Mol Sci 2023; 25:423. [PMID: 38203594 PMCID: PMC10779418 DOI: 10.3390/ijms25010423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
Temporary elevation of tumor temperature, also known as hyperthermia, is a safe and well-tolerated treatment modality. The efficacy of hyperthermia can be improved by efficient thermosensitizers, and various candidate drugs, including inhibitors of the heat stress response, have been explored in vitro and in animal models, but clinically relevant thermosensitizers are lacking. Here, we employ unbiased in silico approaches to uncover new mechanisms and compounds that could be leveraged to increase the thermosensitivity of cancer cells. We then focus on elesclomol, a well-performing compound, which amplifies cell killing by hyperthermia by 5- to 20-fold in cell lines and outperforms clinically applied chemotherapy when combined with hyperthermia in vitro. Surprisingly, our findings suggest that the thermosensitizing effects of elesclomol are independent of its previously reported modes of action but depend on copper shuttling. Importantly, we show that, like elesclomol, multiple other copper shuttlers can thermosensitize, suggesting that disturbing copper homeostasis could be a general strategy for improving the efficacy of hyperthermia.
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Affiliation(s)
- Enzo M. Scutigliani
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
| | - Jons van Hattum
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
- Department of Urology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Fernando Lobo-Cerna
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
| | - Joanne Kruyswijk
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
| | - Maja Myrcha
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
| | - Frederique E. G. A. Dekkers
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
| | - Ron A. Hoebe
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
| | - Finn Edwards
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
| | - Jetta J. Oppelaar
- Department of Internal Medicine, Section of Nephrology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (J.J.O.); (L.V.)
- Amsterdam Cardiovascular Sciences, Microcirculation, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Liffert Vogt
- Department of Internal Medicine, Section of Nephrology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (J.J.O.); (L.V.)
- Amsterdam Cardiovascular Sciences, Microcirculation, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Sanne Bootsma
- Center for Experimental and Molecular Medicine, Laboratory of Experimental Oncology and Radiobiology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (S.B.); (M.F.B.)
- Cancer Center Amsterdam, Cancer Biology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands
- Oncode Institute, Jaarbeursplein 6, 3521 AL Utrecht, The Netherlands
| | - Maarten F. Bijlsma
- Center for Experimental and Molecular Medicine, Laboratory of Experimental Oncology and Radiobiology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (S.B.); (M.F.B.)
- Cancer Center Amsterdam, Cancer Biology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands
- Oncode Institute, Jaarbeursplein 6, 3521 AL Utrecht, The Netherlands
| | - Daisy I. Picavet
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
| | - Johannes Crezee
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
- Department of Radiation Oncology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Jorg R. Oddens
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
- Department of Urology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Theo M. de Reijke
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
- Department of Urology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Przemek M. Krawczyk
- Department of Medical Biology, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (E.M.S.); (F.L.-C.); (J.K.); (M.M.); (F.E.G.A.D.); (F.E.); (D.I.P.)
- Cancer Center Amsterdam, Treatment and Quality of Life, Cancer Biology and Immunology, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands; (J.v.H.); (J.C.); (J.R.O.); (T.M.d.R.)
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Tarin M, Babaie M, Eshghi H, Matin MM, Saljooghi AS. Elesclomol, a copper-transporting therapeutic agent targeting mitochondria: from discovery to its novel applications. J Transl Med 2023; 21:745. [PMID: 37864163 PMCID: PMC10589935 DOI: 10.1186/s12967-023-04533-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/16/2023] [Indexed: 10/22/2023] Open
Abstract
Copper (Cu) is an essential element that is involved in a variety of biochemical processes. Both deficiency and accumulation of Cu are associated with various diseases; and a high amount of accumulated Cu in cells can be fatal. The production of reactive oxygen species (ROS), oxidative stress, and cuproptosis are among the proposed mechanisms of copper toxicity at high concentrations. Elesclomol (ELC) is a mitochondrion-targeting agent discovered for the treatment of solid tumors. In this review, we summarize the synthesis of this drug, its mechanisms of action, and the current status of its applications in the treatment of various diseases such as cancer, tuberculosis, SARS-CoV-2 infection, and other copper-associated disorders. We also provide some detailed information about future directions to improve its clinical performance.
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Affiliation(s)
- Mojtaba Tarin
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Maryam Babaie
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Hossein Eshghi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Maryam M. Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
- Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Amir Sh. Saljooghi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
- Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran
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Velásquez Sotomayor MB, Campos Segura AV, Asurza Montalva RJ, Marín-Sánchez O, Murillo Carrasco AG, Ortiz Rojas CA. Establishment of a 7-gene expression panel to improve the prognosis classification of gastric cancer patients. Front Genet 2023; 14:1206609. [PMID: 37772256 PMCID: PMC10522918 DOI: 10.3389/fgene.2023.1206609] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 08/14/2023] [Indexed: 09/30/2023] Open
Abstract
Gastric cancer (GC) ranks fifth in incidence and fourth in mortality worldwide. The high death rate in patients with GC requires new biomarkers for improving survival estimation. In this study, we performed a transcriptome-based analysis of five publicly available cohorts to identify genes consistently associated with prognosis in GC. Based on the ROC curve, patients were categorized into high and low-expression groups for each gene using the best cutoff point. Genes associated with survival (AUC > 0.5; univariate and multivariate Cox regressions, p < 0.05) were used to model gene expression-based scores by weighted sum using the pooled Cox β regression coefficients. Cox regression (p < 0.05), AUC > 0.5, sensitivity > 0.5, and specificity > 0.5 were considered to identify the best scores. Gene set enrichment analysis (KEGG, REACTOME, and Gene Ontology databases), as well as microenvironment composition and stromal cell signatures prediction (CIBERSORT, EPIC, xCell, MCP-counter, and quanTIseq web tools) were performed. We found 11 genes related to GC survival in the five independent cohorts. Then, we modeled scores by calculating all possible combinations between these genes. Among the 2,047 scores, we identified a panel based on the expression of seven genes. It was named GES7 and is composed of CCDC91, DYNC1I1, FAM83D, LBH, SLITRK5, WTIP, and NAP1L3 genes. GES7 features were validated in two independent external cohorts. Next, GES7 was found to recategorize patients from AJCC TNM stages into a best-fitted prognostic group. The GES7 was associated with activation of the TGF-β pathway and repression of anticancer immune cells. Finally, we compared the GES7 with 30 previous proposed scores, finding that GES7 is one of the most robust scores. As a result, the GES7 is a reliable gene-expression-based signature to improve the prognosis estimation in GC.
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Affiliation(s)
- Mariana Belén Velásquez Sotomayor
- Immunology and Cancer Research Group (IMMUCA), Lima, Peru
- Escuela de Medicina Humana, Facultad de Ciencias de la Salud, Universidad Científica del Sur, Lima, Perú
| | - Anthony Vladimir Campos Segura
- Immunology and Cancer Research Group (IMMUCA), Lima, Peru
- Biochemistry and Molecular Biology Research Laboratory, Faculty of Natural Sciences and Mathematics, Universidad Nacional Federico Villarreal, Lima, Peru
- Laboratory of Genomics and Molecular Biology, International Center of Research CIPE, A.C. Camargo Cancer Center, Sao Paulo, Brazil
| | - Ricardo José Asurza Montalva
- Immunology and Cancer Research Group (IMMUCA), Lima, Peru
- Escuela de Medicina Humana, Facultad de Ciencias de la Salud, Universidad Científica del Sur, Lima, Perú
| | - Obert Marín-Sánchez
- Immunology and Cancer Research Group (IMMUCA), Lima, Peru
- Departamento Académico de Microbiología Médica, Facultad de Medicina, Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Alexis Germán Murillo Carrasco
- Immunology and Cancer Research Group (IMMUCA), Lima, Peru
- Centro de Investigação Translacional em Oncologia (LIM24), Departamento de Radiologia e Oncologia, Faculdade de Medicina da Universidade de São Paulo and Instituto do Câncer do Estado de São Paulo, São Paulo, Brazil
| | - César Alexander Ortiz Rojas
- Immunology and Cancer Research Group (IMMUCA), Lima, Peru
- Laboratório de Investigação Médica (LIM) 31, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
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Xue Q, Kang R, Klionsky DJ, Tang D, Liu J, Chen X. Copper metabolism in cell death and autophagy. Autophagy 2023; 19:2175-2195. [PMID: 37055935 PMCID: PMC10351475 DOI: 10.1080/15548627.2023.2200554] [Citation(s) in RCA: 99] [Impact Index Per Article: 99.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/16/2023] [Accepted: 03/31/2023] [Indexed: 04/15/2023] Open
Abstract
Copper is an essential trace element in biological systems, maintaining the activity of enzymes and the function of transcription factors. However, at high concentrations, copper ions show increased toxicity by inducing regulated cell death, such as apoptosis, paraptosis, pyroptosis, ferroptosis, and cuproptosis. Furthermore, copper ions can trigger macroautophagy/autophagy, a lysosome-dependent degradation pathway that plays a dual role in regulating the survival or death fate of cells under various stress conditions. Pathologically, impaired copper metabolism due to environmental or genetic causes is implicated in a variety of human diseases, such as rare Wilson disease and common cancers. Therapeutically, copper-based compounds are potential chemotherapeutic agents that can be used alone or in combination with other drugs or approaches to treat cancer. Here, we review the progress made in understanding copper metabolic processes and their impact on the regulation of cell death and autophagy. This knowledge may help in the design of future clinical tools to improve cancer diagnosis and treatment.Abbreviations: ACSL4, acyl-CoA synthetase long chain family member 4; AIFM1/AIF, apoptosis inducing factor mitochondria associated 1; AIFM2, apoptosis inducing factor mitochondria associated 2; ALDH, aldehyde dehydrogenase; ALOX, arachidonate lipoxygenase; AMPK, AMP-activated protein kinase; APAF1, apoptotic peptidase activating factor 1; ATF4, activating transcription factor 4; ATG, autophagy related; ATG13, autophagy related 13; ATG5, autophagy related 5; ATOX1, antioxidant 1 copper chaperone; ATP, adenosine triphosphate; ATP7A, ATPase copper transporting alpha; ATP7B, ATPase copper transporting beta; BAK1, BCL2 antagonist/killer 1; BAX, BCL2 associated X apoptosis regulator; BBC3/PUMA, BCL2 binding component 3; BCS, bathocuproinedisulfonic acid; BECN1, beclin 1; BID, BH3 interacting domain death agonist; BRCA1, BRCA1 DNA repair associated; BSO, buthionine sulphoximine; CASP1, caspase 1; CASP3, caspase 3; CASP4/CASP11, caspase 4; CASP5, caspase 5; CASP8, caspase 8; CASP9, caspase 9; CCS, copper chaperone for superoxide dismutase; CD274/PD-L1, CD274 molecule; CDH2, cadherin 2; CDKN1A/p21, cyclin dependent kinase inhibitor 1A; CDKN1B/p27, cyclin-dependent kinase inhibitor 1B; COMMD10, COMM domain containing 10; CoQ10, coenzyme Q 10; CoQ10H2, reduced coenzyme Q 10; COX11, cytochrome c oxidase copper chaperone COX11; COX17, cytochrome c oxidase copper chaperone COX17; CP, ceruloplasmin; CYCS, cytochrome c, somatic; DBH, dopamine beta-hydroxylase; DDIT3/CHOP, DNA damage inducible transcript 3; DLAT, dihydrolipoamide S-acetyltransferase; DTC, diethyldithiocarbamate; EIF2A, eukaryotic translation initiation factor 2A; EIF2AK3/PERK, eukaryotic translation initiation factor 2 alpha kinase 3; ER, endoplasmic reticulum; ESCRT-III, endosomal sorting complex required for transport-III; ETC, electron transport chain; FABP3, fatty acid binding protein 3; FABP7, fatty acid binding protein 7; FADD, Fas associated via death domain; FAS, Fas cell surface death receptor; FASL, Fas ligand; FDX1, ferredoxin 1; GNAQ/11, G protein subunit alpha q/11; GPX4, glutathione peroxidase 4; GSDMD, gasdermin D; GSH, glutathione; HDAC, histone deacetylase; HIF1, hypoxia inducible factor 1; HIF1A, hypoxia inducible factor 1 subunit alpha; HMGB1, high mobility group box 1; IL1B, interleukin 1 beta; IL17, interleukin 17; KRAS, KRAS proto-oncogene, GTPase; LOX, lysyl oxidase; LPCAT3, lysophosphatidylcholine acyltransferase 3; MAP1LC3, microtubule associated protein 1 light chain 3; MAP2K1, mitogen-activated protein kinase kinase 1; MAP2K2, mitogen-activated protein kinase kinase 2; MAPK, mitogen-activated protein kinases; MAPK14/p38, mitogen-activated protein kinase 14; MEMO1, mediator of cell motility 1; MT-CO1/COX1, mitochondrially encoded cytochrome c oxidase I; MT-CO2/COX2, mitochondrially encoded cytochrome c oxidase II; MTOR, mechanistic target of rapamycin kinase; MTs, metallothioneins; NAC, N-acetylcysteine; NFKB/NF-Κb, nuclear factor kappa B; NLRP3, NLR family pyrin domain containing 3; NPLOC4/NPL4, NPL4 homolog ubiquitin recognition factor; PDE3B, phosphodiesterase 3B; PDK1, phosphoinositide dependent protein kinase 1; PHD, prolyl-4-hydroxylase domain; PIK3C3/VPS34, phosphatidylinositol 3-kinase catalytic subunit type 3; PMAIP1/NOXA, phorbol-12-myristate-13-acetate-induced protein 1; POR, cytochrome P450 oxidoreductase; PUFA-PL, PUFA of phospholipids; PUFAs, polyunsaturated fatty acids; ROS, reactive oxygen species; SCO1, synthesis of cytochrome C oxidase 1; SCO2, synthesis of cytochrome C oxidase 2; SLC7A11, solute carrier family 7 member 11; SLC11A2/DMT1, solute carrier family 11 member 2; SLC31A1/CTR1, solute carrier family 31 member 1; SLC47A1, solute carrier family 47 member 1; SOD1, superoxide dismutase; SP1, Sp1 transcription factor; SQSTM1/p62, sequestosome 1; STEAP4, STEAP4 metalloreductase; TAX1BP1, Tax1 binding protein 1; TEPA, tetraethylenepentamine; TFEB, transcription factor EB; TM, tetrathiomolybdate; TP53/p53, tumor protein p53; TXNRD1, thioredoxin reductase 1; UCHL5, ubiquitin C-terminal hydrolase L5; ULK1, Unc-51 like autophagy activating kinase 1; ULK1, unc-51 like autophagy activating kinase 1; ULK2, unc-51 like autophagy activating kinase 2; USP14, ubiquitin specific peptidase 14; VEGF, vascular endothelial gro wth factor; XIAP, X-linked inhibitor of apoptosis.
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Affiliation(s)
- Qian Xue
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Affliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA
| | - Daniel J. Klionsky
- Life Sciences Institute and Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA
| | - Jinbao Liu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Affliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China
| | - Xin Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Affliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China
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Njenga LW, Mbugua SN, Odhiambo RA, Onani MO. Addressing the gaps in homeostatic mechanisms of copper and copper dithiocarbamate complexes in cancer therapy: a shift from classical platinum-drug mechanisms. Dalton Trans 2023; 52:5823-5847. [PMID: 37021641 DOI: 10.1039/d3dt00366c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
The platinum drug, cisplatin, is considered as among the most successful medications in cancer treatment. However, due to its inherent toxicity and resistance limitations, research into other metal-based non-platinum anticancer medications with diverse mechanisms of action remains an active field. In this regard, copper complexes feature among non-platinum compounds which have shown promising potential as effective anticancer drugs. Moreover, the interesting discovery that cancer cells can alter their copper homeostatic processes to develop resistance to platinum-based treatments leads to suggestions that some copper compounds can indeed re-sensitize cancer cells to these drugs. In this work, we review copper and copper complexes bearing dithiocarbamate ligands which have shown promising results as anticancer agents. Dithiocarbamate ligands act as effective ionophores to convey the complexes of interest into cells thereby influencing the metal homeostatic balance and inducing apoptosis through various mechanisms. We focus on copper homeostasis in mammalian cells and on our current understanding of copper dysregulation in cancer and recent therapeutic breakthroughs using copper coordination complexes as anticancer drugs. We also discuss the molecular foundation of the mechanisms underlying their anticancer action. The opportunities that exist in research for these compounds and their potential as anticancer agents, especially when coupled with ligands such as dithiocarbamates, are also reviewed.
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Affiliation(s)
- Lydia W Njenga
- Department of Chemistry, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya.
| | - Simon N Mbugua
- Department of Chemistry, Kisii University, P.O. Box 408-40200, Kisii, Kenya
| | - Ruth A Odhiambo
- Department of Chemistry, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya.
| | - Martin O Onani
- Department of Chemical Sciences, University of the Western Cape, Private Bag X17, Belville, 7535, South Africa
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Zhang J, Simpson CM, Berner J, Chong HB, Fang J, Sahin ZO, Weiss-Sadan T, Possemato AP, Harry S, Takahashi M, Yang TY, Richter M, Patel H, Smith AE, Carlin AD, Hubertus de Groot AF, Wolf K, Shi L, Wei TY, Dürr BR, Chen NJ, Vornbäumen T, Wichmann NO, Pooladanda V, Matoba Y, Kumar S, Kim E, Bouberhan S, Olivia E, Rueda B, Bardeesy N, Liau B, Lawrence M, Stokes MP, Beausoleil SA, Bar-Peled L. Identification of chemotherapy targets reveals a nucleus-to-mitochondria ROS sensing pathway. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.11.532189. [PMID: 36945474 PMCID: PMC10028958 DOI: 10.1101/2023.03.11.532189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
Abstract
Multiple chemotherapies are proposed to cause cell death in part by increasing the steady-state levels of cellular reactive oxygen species (ROS). However, for most of these drugs exactly how the resultant ROS function and are sensed is poorly understood. In particular, it's unclear which proteins the ROS modify and their roles in chemotherapy sensitivity/resistance. To answer these questions, we examined 11 chemotherapies with an integrated proteogenomic approach identifying many unique targets for these drugs but also shared ones including ribosomal components, suggesting one mechanism by which chemotherapies regulate translation. We focus on CHK1 which we find is a nuclear H 2 O 2 sensor that promotes an anti-ROS cellular program. CHK1 acts by phosphorylating the mitochondrial-DNA binding protein SSBP1, preventing its mitochondrial localization, which in turn decreases nuclear H 2 O 2 . Our results reveal a druggable nucleus-to-mitochondria ROS sensing pathway required to resolve nuclear H 2 O 2 accumulation, which mediates resistance to platinum-based chemotherapies in ovarian cancers.
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8
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Construction and characterization of a cuproptosis- and immune checkpoint-based LncRNAs signature for breast cancer risk stratification. Breast Cancer 2023; 30:393-411. [PMID: 36662399 DOI: 10.1007/s12282-023-01434-9] [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: 06/24/2022] [Accepted: 01/06/2023] [Indexed: 01/21/2023]
Abstract
BACKGROUND Cuproptosis is the most recently identified form of cell death, and copper homeostasis is an important cancer therapeutic target. However, the therapeutic benefits of cuproptosis-targeted treatment in BRCA remain undetermined. This study utilized LncRNAs linked to cuproptosis genes and immune checkpoint genes to generate a BRCA predictive signature. METHODS We screened a population of LncRNAs that correlated with both cuproptosis genes and immune checkpoint genes and used ten of these LncRNAs to construct a prognosis-predictive signature. We then validated and proved the efficacy of the signature in predicting the prognosis of BRCA patients. We also unraveled the relationship between the signature and the immunological milieu, immune function, and susceptibility to chemotherapy. RESULTS The signature derived from the ten cuproptosis- and immune-related prognostic LncRNAs (CuImP-LncRNAs) can be implied to categorize patients into two groups, including the high- and low-risk groups. The value of the signature was validated, and the risk score was verified as an independent prognostic indicator. The TIME and TMB distribution patterns and chemosensitivity were depicted in the high- and low-risk groups, respectively. Patients of the high-risk group with a suppressive immunological intratumor context were more sensitive to a broad range of antitumor agents. In contrast, low-risk individuals with active immune function responded more favorably to immunotherapy. CONCLUSION Our findings provided a novel and effective model for predicting BRCA prognosis and the propensity to different treatment modalities, thus contributing to the optimization of personalized BRCA therapy in the future.
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Yeh SJ, Chen BS. Systems Medicine Design based on Systems Biology Approaches and Deep Neural Network for Gastric Cancer. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2022; 19:3019-3031. [PMID: 34232888 DOI: 10.1109/tcbb.2021.3095369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Gastric cancer (GC) is the third leading cause of cancer death in the world. It is associated with the stimulation of microenvironment, aberrant epigenetic modification, and chronic inflammation. However, few researches discuss the GC molecular progression mechanisms from the perspective of the system level. In this study, we proposed a systems medicine design procedure to identify essential biomarkers and find corresponding drugs for GC. At first, we did big database mining to construct candidate protein-protein interaction network (PPIN) and candidate gene regulation network (GRN). Second, by leveraging the next-generation sequencing (NGS) data, we performed system modeling and applied system identification and model selection to obtain real genome-wide genetic and epigenetic networks (GWGENs). To make the real GWGENs easy to analyze, the principal network projection method was used to extract the core signaling pathways denoted by KEGG pathways. Subsequently, based on the identified biomarkers, we trained a deep neural network of drug-target interaction (DeepDTI) with supervised learning and filtered our candidate drugs considering drug regulation ability and drug sensitivity. With the proposed systematic strategy, we not only shed the light on the progression of GC but also suggested potential multiple-molecule drugs efficiently.
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10
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Jin P, Jiang J, Zhou L, Huang Z, Nice EC, Huang C, Fu L. Mitochondrial adaptation in cancer drug resistance: prevalence, mechanisms, and management. J Hematol Oncol 2022; 15:97. [PMID: 35851420 PMCID: PMC9290242 DOI: 10.1186/s13045-022-01313-4] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 06/29/2022] [Indexed: 02/08/2023] Open
Abstract
Drug resistance represents a major obstacle in cancer management, and the mechanisms underlying stress adaptation of cancer cells in response to therapy-induced hostile environment are largely unknown. As the central organelle for cellular energy supply, mitochondria can rapidly undergo dynamic changes and integrate cellular signaling pathways to provide bioenergetic and biosynthetic flexibility for cancer cells, which contributes to multiple aspects of tumor characteristics, including drug resistance. Therefore, targeting mitochondria for cancer therapy and overcoming drug resistance has attracted increasing attention for various types of cancer. Multiple mitochondrial adaptation processes, including mitochondrial dynamics, mitochondrial metabolism, and mitochondrial apoptotic regulatory machinery, have been demonstrated to be potential targets. However, recent increasing insights into mitochondria have revealed the complexity of mitochondrial structure and functions, the elusive functions of mitochondria in tumor biology, and the targeting inaccessibility of mitochondria, which have posed challenges for the clinical application of mitochondrial-based cancer therapeutic strategies. Therefore, discovery of both novel mitochondria-targeting agents and innovative mitochondria-targeting approaches is urgently required. Here, we review the most recent literature to summarize the molecular mechanisms underlying mitochondrial stress adaptation and their intricate connection with cancer drug resistance. In addition, an overview of the emerging strategies to target mitochondria for effectively overcoming chemoresistance is highlighted, with an emphasis on drug repositioning and mitochondrial drug delivery approaches, which may accelerate the application of mitochondria-targeting compounds for cancer therapy.
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Affiliation(s)
- Ping Jin
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, People's Republic of China
| | - Jingwen Jiang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, People's Republic of China
| | - Li Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, People's Republic of China
| | - Zhao Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, People's Republic of China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, 3800, Australia
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, People's Republic of China.
| | - Li Fu
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pharmacology and International Cancer Center, Shenzhen University Health Science Center, Shenzhen, 518060, Guangdong, People's Republic of China.
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11
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Li Y, Yang J, Zhang Q, Xu S, Sun W, Ge S, Xu X, Jager MJ, Jia R, Zhang J, Fan X. Copper ionophore elesclomol selectively targets GNAQ/11-mutant uveal melanoma. Oncogene 2022; 41:3539-3553. [PMID: 35697803 DOI: 10.1038/s41388-022-02364-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 05/18/2022] [Accepted: 05/26/2022] [Indexed: 01/10/2023]
Abstract
Unlike cutaneous melanoma, uveal melanoma (UM) is characterized by mutations in GNAQ and GNA11 and remains a fatal disease because there is essentially no effective targeted therapy or immunotherapy available. We report the discovery of the copper ionophore elesclomol as a GNAQ/11-specific UM inhibitor. Elesclomol was identified in a differential cytotoxicity screen of an in-house tool compound library, and its in vivo pharmacological efficacy was further confirmed in zebrafish and mouse UM models. Mechanistically, elesclomol transports copper to mitochondria and produces a large amount of reactive oxygen species (ROS) as Cu(II) is reduced to Cu(I) in GNAQ/11-mutant UM cells, which selectively activates LATS1 kinase in the Hippo signaling pathway and consequently promotes YAP phosphorylation and inhibits its nuclear accumulation. The inactivation of YAP downregulates the expression of SNAI2, which in turn suppresses the migration of UM cells. These findings were cross validated by our clinical observation that YAP activation was found specifically in UM samples with a GNAQ/11 mutation. Furthermore, addition of binimetinib, a MEK inhibitor, to elesclomol increased its synthetic lethality to GNAQ/11-mutant UM cells, thereby overriding drug resistance. This effect was confirmed in an orthotopic xenograft model and in a patient-derived xenograft model of UM. These studies reveal a novel mechanistic basis for repurposing elesclomol by showing that copper homeostasis is a GNAQ/11-specific vulnerability in UM. Elesclomol may provide a new therapeutic path for selectively targeting malignant GNAQ/11-mutant UM.
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Affiliation(s)
- Yongyun Li
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Jie Yang
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Qianqian Zhang
- National Research Center for Translational Medicine (Shanghai), State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shiqiong Xu
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Wei Sun
- National Research Center for Translational Medicine (Shanghai), State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shengfang Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Xiaowei Xu
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Martine J Jager
- Department of Ophthalmology, Leiden University Medical Center, Leiden, The Netherlands
| | - Renbing Jia
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China.
| | - Jianming Zhang
- National Research Center for Translational Medicine (Shanghai), State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Xianqun Fan
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China.
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12
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Gao W, Huang Z, Duan J, Nice EC, Lin J, Huang C. Elesclomol induces copper-dependent ferroptosis in colorectal cancer cells via degradation of ATP7A. Mol Oncol 2021; 15:3527-3544. [PMID: 34390123 PMCID: PMC8637554 DOI: 10.1002/1878-0261.13079] [Citation(s) in RCA: 127] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/10/2021] [Accepted: 08/12/2021] [Indexed: 02/05/2023] Open
Abstract
Cancer cells reprogram their copper metabolism to adapt to adverse microenvironments, such as oxidative stress. The copper chelator elesclomol has been reported to have considerable anticancer efficacy, but the underlying mechanisms remain largely unknown. In this study, we found that elesclomol-mediated copper overload inhibits colorectal cancer (CRC) both in vitro and in vivo. Elesclomol alone promotes the degradation of the copper transporter copper-transporting ATPase 1 (ATP7A), which retards the proliferation of CRC cells. This property distinguishes it from several other copper chelators. Combinational treatment of elesclomol and copper leads to copper retention within mitochondria due to ATP7A loss, leading to reactive oxygen species accumulation, which in turn promotes the degradation of SLC7A11, thus further enhancing oxidative stress and consequent ferroptosis in CRC cells. This effect accounts for the robust antitumour activity of elesclomol against CRC, which can be reversed by the administration of antioxidants and ferroptosis inhibitors, as well as the overexpression of ATP7A. In summary, our findings indicate that elesclomol-induced copper chelation inhibits CRC by targeting ATP7A and regulating ferroptosis.
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Affiliation(s)
- Wei Gao
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalWest China School of Basic Medical Sciences and Forensic MedicineSichuan UniversityCollaborative Innovation Center for BiotherapyChengduChina
| | - Zhao Huang
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalWest China School of Basic Medical Sciences and Forensic MedicineSichuan UniversityCollaborative Innovation Center for BiotherapyChengduChina
| | - Jiufei Duan
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalWest China School of Basic Medical Sciences and Forensic MedicineSichuan UniversityCollaborative Innovation Center for BiotherapyChengduChina
| | - Edouard C. Nice
- Department of Biochemistry and Molecular BiologyMonash UniversityClaytonAustralia
| | - Jie Lin
- Department of Medical OncologyThe Second Affiliated Hospital of Kunming Medical UniversityKunmingChina
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalWest China School of Basic Medical Sciences and Forensic MedicineSichuan UniversityCollaborative Innovation Center for BiotherapyChengduChina
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Soczewka P, Tribouillard-Tanvier D, di Rago JP, Zoladek T, Kaminska J. Targeting Copper Homeostasis Improves Functioning of vps13Δ Yeast Mutant Cells, a Model of VPS13-Related Diseases. Int J Mol Sci 2021; 22:2248. [PMID: 33668157 PMCID: PMC7956333 DOI: 10.3390/ijms22052248] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/12/2021] [Accepted: 02/19/2021] [Indexed: 01/01/2023] Open
Abstract
Ion homeostasis is crucial for organism functioning, and its alterations may cause diseases. For example, copper insufficiency and overload are associated with Menkes and Wilson's diseases, respectively, and iron imbalance is observed in Parkinson's and Alzheimer's diseases. To better understand human diseases, Saccharomyces cerevisiae yeast are used as a model organism. In our studies, we used the vps13Δ yeast strain as a model of rare neurological diseases caused by mutations in VPS13A-D genes. In this work, we show that overexpression of genes encoding copper transporters, CTR1, CTR3, and CCC2, or the addition of copper salt to the medium, improved functioning of the vps13Δ mutant. We show that their mechanism of action, at least partially, depends on increasing iron content in the cells by the copper-dependent iron uptake system. Finally, we present that treatment with copper ionophores, disulfiram, elesclomol, and sodium pyrithione, also resulted in alleviation of the defects observed in vps13Δ cells. Our study points at copper and iron homeostasis as a potential therapeutic target for further investigation in higher eukaryotic models of VPS13-related diseases.
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Affiliation(s)
- Piotr Soczewka
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland;
| | - Déborah Tribouillard-Tanvier
- IBGC, UMR 5095, CNRS, Université de Bordeaux, F-33000 Bordeaux, France; (D.T.-T.); (J.-P.d.R.)
- Institut National de la Santé et de la Recherche Médicale (INSERM), F-33077 Bordeaux, France
| | - Jean-Paul di Rago
- IBGC, UMR 5095, CNRS, Université de Bordeaux, F-33000 Bordeaux, France; (D.T.-T.); (J.-P.d.R.)
| | - Teresa Zoladek
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland;
| | - Joanna Kaminska
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland;
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14
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García-Heredia JM, Carnero A. Role of Mitochondria in Cancer Stem Cell Resistance. Cells 2020; 9:E1693. [PMID: 32679735 PMCID: PMC7407626 DOI: 10.3390/cells9071693] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/13/2020] [Accepted: 07/15/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer stem cells (CSC) are associated with the mechanisms of chemoresistance to different cytotoxic drugs or radiotherapy, as well as with tumor relapse and a poor prognosis. Various studies have shown that mitochondria play a central role in these processes because of the ability of this organelle to modify cell metabolism, allowing survival and avoiding apoptosis clearance of cancer cells. Thus, the whole mitochondrial cycle, from its biogenesis to its death, either by mitophagy or by apoptosis, can be targeted by different drugs to reduce mitochondrial fitness, allowing for a restored or increased sensitivity to chemotherapeutic drugs. Once mitochondrial misbalance is induced by a specific drug in any of the processes of mitochondrial metabolism, two elements are commonly boosted: an increment in reactive nitrogen/oxygen species and, subsequently, activation of the intrinsic apoptotic pathway.
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Affiliation(s)
- José Manuel García-Heredia
- Instituto de Biomedicina de Sevilla (IBIS), Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Avda. Manuel Siurot s/n, 41013 Seville, Spain
- Departamento de Bioquímica Vegetal y Biología Molecular, Facultad de Biología, Universidad de Sevilla, Avda. de la Reina Mercedes 6, 41012 Seville, Spain
- Centro de Investigación Biomédica en Red de Cáncer, CIBERONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Amancio Carnero
- Instituto de Biomedicina de Sevilla (IBIS), Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Avda. Manuel Siurot s/n, 41013 Seville, Spain
- Centro de Investigación Biomédica en Red de Cáncer, CIBERONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
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15
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Abstract
Developmental pathways play an important role in cancer. We have recently demonstrated that the constitutive activation of the developmental transcription factor SOX6 via the fusion oncoproteinne EWSR1-FLI1 (Ewing sarcoma breakpoint region 1 - Friend leukemia virus integration 1) contributes to the aggressive phenotype of Ewing sarcoma but on another hand provides an opportunity for targeted therapy.
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Affiliation(s)
- Aruna Marchetto
- Max-Eder Research Group for Pediatric Sarcoma Biology, Institute of Pathology, Faculty of Medicine, LMU Munich, Munich, Germany
| | - Thomas G P Grünewald
- Max-Eder Research Group for Pediatric Sarcoma Biology, Institute of Pathology, Faculty of Medicine, LMU Munich, Munich, Germany.,Division of Translational Pediatric Sarcoma Research, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), Heidelberg, Germany.,Hopp-Children's Cancer Center (KiTZ), Heidelberg, Germany.,Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
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16
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Oncogenic hijacking of a developmental transcription factor evokes vulnerability toward oxidative stress in Ewing sarcoma. Nat Commun 2020; 11:2423. [PMID: 32415069 PMCID: PMC7228971 DOI: 10.1038/s41467-020-16244-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 04/23/2020] [Indexed: 01/20/2023] Open
Abstract
Ewing sarcoma (EwS) is an aggressive childhood cancer likely originating from mesenchymal stem cells or osteo-chondrogenic progenitors. It is characterized by fusion oncoproteins involving EWSR1 and variable members of the ETS-family of transcription factors (in 85% FLI1). EWSR1-FLI1 can induce target genes by using GGAA-microsatellites as enhancers. Here, we show that EWSR1-FLI1 hijacks the developmental transcription factor SOX6 – a physiological driver of proliferation of osteo-chondrogenic progenitors – by binding to an intronic GGAA-microsatellite, which promotes EwS growth in vitro and in vivo. Through integration of transcriptome-profiling, published drug-screening data, and functional in vitro and in vivo experiments including 3D and PDX models, we discover that constitutively high SOX6 expression promotes elevated levels of oxidative stress that create a therapeutic vulnerability toward the oxidative stress-inducing drug Elesclomol. Collectively, our results exemplify how aberrant activation of a developmental transcription factor by a dominant oncogene can promote malignancy, but provide opportunities for targeted therapy. Ewing sarcoma is characterized by the fusion of EWSR1 and FLI1. Here, the authors show that EWSR1-FLI1 increases the activity of the developmental transcription factor SOX6, which promotes tumor growth but also increases sensitivity to oxidative stress.
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17
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Targeted apoptosis of myofibroblasts by elesclomol inhibits hypertrophic scar formation. EBioMedicine 2020; 54:102715. [PMID: 32251998 PMCID: PMC7132150 DOI: 10.1016/j.ebiom.2020.102715] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 11/21/2022] Open
Abstract
Background Hypertrophic scar (HS) is characterized by the increased proliferation and decreased apoptosis of myofibroblasts. Myofibroblasts, the main effector cells for dermal fibrosis, develop from normal fibroblasts. Thus, the stimulation of myofibroblast apoptosis is a possible treatment for HS. We aimed to explore that whether over-activated myofibroblasts can be targeted for apoptosis by anticancer drug elesclomol. Methods 4′,6-diamidino-2-phenylindole staining, flow cytometry, western blotting, collagen gel contraction and immunofluorescence assays were applied to demonstrate the proapoptotic effect of elesclomol in scar derived myofibroblasts and TGF-β1 induced myofibroblasts. The therapeutic potential of elesclomol was investigated by establishing rabbit ear hypertrophic scar models. Findings Both 4′,6-diamidino-2-phenylindole staining and flow cytometry indicated that elesclomol targets myofibroblasts in vitro. Collagen gel contraction assay showed that elesclomol inhibited myofibroblast contractility. Flow cytometry and western blot analysis revealed that elesclomol resulted in excessive intracellular levels of reactive oxygen species(ROS), and caspase-3 and cytochrome c proteins. Moreover, compared with the control group, the elesclomol group had a significantly lower scar elevation index in vivo. Immunofluorescence assays for TUNEL and α-smooth muscle actin indicated that elesclomol treatment increased the number of apoptotic myofibroblasts. Interpretation The above results indicate that elesclomol exerted a significant inhibitory effect on HS formation via targeted myofibroblast apoptosis associated with increased oxidative stress. Thus, elesclomol is a promising candidate drug for the treatment of myofibroblast-related diseases such as HS.
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18
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Albayrak G, Korkmaz FD, Tozcu D, Dogan Turacli I. The outcomes of an impaired powerhouse in KRAS mutant lung adenocarcinoma cells by Elesclomol. J Cell Biochem 2019; 120:10564-10571. [PMID: 30628735 DOI: 10.1002/jcb.28342] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 12/10/2018] [Indexed: 11/10/2022]
Abstract
OBJECTIVES Lung cancer stands out as the most common cancer type worldwide. The most common genetic alteration detected in adenocarcinoma patients is KRAS. KRAS mutated patients still cannot get benefit from precision medicine approaches and lack a targeted therapy. Elesclomol is an investigational agent for melanoma and other malignancies. In this study, we evaluated its effect on cellular apoptosis, survival, and metastasis mechanisms on KRAS mutant A549 and Calu-1 cell lines. METHODS The cytotoxic effects of Elesclomol on A549 and Calu-1 cells were determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) cell viability test. Cells were treated with IC50 concentration and then apoptosis-related (Casp-3, Casp-9, Bcl-2, and Bcl-xL), survival-related (Akt, p-Akt, Erk, and p-Erk), and metastasis-related (E-cadherin, Vimentin, MMP-2, and MMP-9) protein expressions were determined by Western blot analysis. Elesclomol's effect on cell migration was evaluated by wound healing. Total oxidant, malondialdehyde (MDA), and glutathione (GSH) levels after Elesclomol treatment were assessed. RESULTS Elesclomol not only induced apoptotic proteins but also inhibited metastatic protein expressions and migration in both cells. Also, p-Erk activity was diminished by Elesclomol treatment as a reflection of decreased proliferation. However, p-Akt was enhanced as a cellular survival mechanism. Although Elesclomol's effects on oxidative stress parameters were puzzling, it induced total oxidant status (TOS), and MDA in Calu-1 cells. CONCLUSION Elesclomol might provide an alternative treatment approach for patients with KRAS mutant lung adenocarcinoma and other solid tumor malignancies that harbor KRAS mutations. This would enable the development of biomarker-driven targeted therapy for KRAS mutant adenocarcinoma patients.
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Affiliation(s)
- Gulsah Albayrak
- Department of Medical Biology, Faculty of Medicine, Ufuk University, Ankara, Turkey
| | - Funda Demirtas Korkmaz
- Department of Medical Biology and Genetics, Faculty of Medicine, Gazi University, Ankara, Turkey
| | - Duygu Tozcu
- Department of Physiology, Faculty of Medicine, Ufuk University, Ankara, Turkey
| | - Irem Dogan Turacli
- Department of Medical Biology, Faculty of Medicine, Ufuk University, Ankara, Turkey
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19
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Wang JY, Jin L, Yan XG, Sherwin S, Farrelly M, Zhang YY, Liu F, Wang CY, Guo ST, Yari H, La T, McFarlane J, Lei FX, Tabatabaee H, Chen JZ, Croft A, Jiang CC, Zhang XD. Reactive Oxygen Species Dictate the Apoptotic Response of Melanoma Cells to TH588. J Invest Dermatol 2016; 136:2277-2286. [DOI: 10.1016/j.jid.2016.06.625] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 06/13/2016] [Accepted: 06/20/2016] [Indexed: 12/13/2022]
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20
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Hambright HG, Ghosh R. Autophagy: In the cROSshairs of cancer. Biochem Pharmacol 2016; 126:13-22. [PMID: 27789215 DOI: 10.1016/j.bcp.2016.10.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 10/21/2016] [Indexed: 12/18/2022]
Abstract
Two prominent features of tumors that contribute to oncogenic survival signaling are redox disruption, or oxidative stress phenotype, and high autophagy signaling, making both phenomena ideal therapeutic targets. However, the relationship between redox disruption and autophagy signaling is not well characterized and the clinical impact of reactive oxygen species (ROS)-generating chemotherapeutics on autophagy merits immediate attention as autophagy largely contributes to chemotherapeutic resistance. In this commentary we focus on melanoma, using it as an example to provide clarity to current literature regarding the roles of autophagy and redox signaling which can be applicable to initiation and maintenance of most tumor types. Further, we address the crosstalk between ROS and autophagy signaling during pharmacological intervention and cell fate decisions. We attempt to elucidate the role of autophagy in regulating cell fate following treatment with ROS-generating agents in preclinical and clinical settings and discuss the emerging role of autophagy in cell fate decisions and as a cell death mechanism. We also address technical aspects of redox and autophagy evaluation in experimental design and data interpretation. Lastly, we present a provocative view of the clinical relevance, emerging challenges in dual targeting of redox and autophagy pathways for therapy, and the future directions to be addressed in order to advance both basic and translational aspects of this field.
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Affiliation(s)
- Heather Graham Hambright
- Department of Urology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA; Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Rita Ghosh
- Department of Urology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA; Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA; Department of Pharmacology, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA; Department of Molecular Medicine, University of Texas Health Science Center at San Antonio, South Texas Research Facility Campus, 8403 Floyd Curl Drive, San Antonio, TX 78229, USA.
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21
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Rae C, Mairs RJ. Evaluation of the radiosensitizing potency of chemotherapeutic agents in prostate cancer cells. Int J Radiat Biol 2016; 93:194-203. [PMID: 27600766 DOI: 10.1080/09553002.2017.1231946] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
PURPOSE Despite recent advances in the treatment of metastatic prostate cancer, survival rates are low and treatment options are limited to chemotherapy and hormonal therapy. Although ionizing radiation is used to treat localized and metastatic prostate cancer, the most efficient use of radiotherapy is yet to be defined. Our purpose was to determine in vitro the potential benefit to be gained by combining radiation treatment with cytotoxic drugs. MATERIALS AND METHODS Inhibitors of DNA repair and heat shock protein 90 and an inducer of oxidative stress were evaluated in combination with X-radiation for their capacity to reduce clonogenic survival and delay the growth of multicellular tumor spheroids. RESULTS Inhibitors of the PARP DNA repair pathway, olaparib and rucaparib, and the HSP90 inhibitor 17-DMAG, enhanced the clonogenic cell kill and spheroid growth delay induced by X-radiation. However, the oxidative stress-inducing drug elesclomol failed to potentiate the effects of X-radiation. PARP inhibitors arrested cells in the G2/M phase when administered as single agents or in combination with radiation, whereas elesclomol and 17-DMAG did not affect radiation-induced cell cycle modulation. CONCLUSION These results indicate that radiotherapy of prostate cancer may be optimized by combination with inhibitors of PARP or HSP90, but not elesclomol.
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Affiliation(s)
- Colin Rae
- a Radiation Oncology , Institute of Cancer Sciences, University of Glasgow , Glasgow , UK
| | - Robert J Mairs
- a Radiation Oncology , Institute of Cancer Sciences, University of Glasgow , Glasgow , UK
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22
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Kirouac DC, Du J, Lahdenranta J, Onsum MD, Nielsen UB, Schoeberl B, McDonagh CF. HER2+ Cancer Cell Dependence on PI3K vs. MAPK Signaling Axes Is Determined by Expression of EGFR, ERBB3 and CDKN1B. PLoS Comput Biol 2016; 12:e1004827. [PMID: 27035903 PMCID: PMC4818107 DOI: 10.1371/journal.pcbi.1004827] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 02/22/2016] [Indexed: 12/24/2022] Open
Abstract
Understanding the molecular pathways by which oncogenes drive cancerous cell growth, and how dependence on such pathways varies between tumors could be highly valuable for the design of anti-cancer treatment strategies. In this work we study how dependence upon the canonical PI3K and MAPK cascades varies across HER2+ cancers, and define biomarkers predictive of pathway dependencies. A panel of 18 HER2+ (ERBB2-amplified) cell lines representing a variety of indications was used to characterize the functional and molecular diversity within this oncogene-defined cancer. PI3K and MAPK-pathway dependencies were quantified by measuring in vitro cell growth responses to combinations of AKT (MK2206) and MEK (GSK1120212; trametinib) inhibitors, in the presence and absence of the ERBB3 ligand heregulin (NRG1). A combination of three protein measurements comprising the receptors EGFR, ERBB3 (HER3), and the cyclin-dependent kinase inhibitor p27 (CDKN1B) was found to accurately predict dependence on PI3K/AKT vs. MAPK/ERK signaling axes. Notably, this multivariate classifier outperformed the more intuitive and clinically employed metrics, such as expression of phospho-AKT and phospho-ERK, and PI3K pathway mutations (PIK3CA, PTEN, and PIK3R1). In both cell lines and primary patient samples, we observed consistent expression patterns of these biomarkers varies by cancer indication, such that ERBB3 and CDKN1B expression are relatively high in breast tumors while EGFR expression is relatively high in other indications. The predictability of the three protein biomarkers for differentiating PI3K/AKT vs. MAPK dependence in HER2+ cancers was confirmed using external datasets (Project Achilles and GDSC), again out-performing clinically used genetic markers. Measurement of this minimal set of three protein biomarkers could thus inform treatment, and predict mechanisms of drug resistance in HER2+ cancers. More generally, our results show a single oncogenic transformation can have differing effects on cell signaling and growth, contingent upon the molecular and cellular context. Biomarkers capable of accurately predicting patient responses to alternate therapies are critical to realizing the vision of precision medicine. Identifying such biomarkers is, however, challenging due to the inherent complexity of biological networks. Here we sought to identify molecular features that predict how a genetically defined subset of cancers (HER2+) differentially depend on two oncogenic signaling pathways, the PI3K/AKT and MAPK/ERK cascades. We find that combined measurement of three non-intuitive proteins (EGFR, ERBB3, and CDKN1B) accurately predicts cellular dependence on these signaling pathways, and responsiveness to drugs targeting their constituents. Notably, this three-biomarker model outperformed both biological intuition (phosho-AKT and phospho-ERK) and current clinical practice (PIK3CA mutations). More broadly, this exemplifies how the functional consequences of a single oncogenic driver (HER2) can depend upon molecular and cellular context. Expression of these markers also varies by indication, such that breast cancers are biased toward PI3K-dependnece, while non-breast indications (lung, ovarian, and gastric) are particularly MAPK-dependent, and thus may respond differently to therapeutic strategies developed for breast cancer. Together, we believe that our results will aid the design of novel, stratified treatment strategies for HER2+ disease.
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Affiliation(s)
- Daniel C Kirouac
- Discovery, Merrimack Pharmaceuticals, Cambridge, Massachusetts, United States of America
| | - Jinyan Du
- Discovery, Merrimack Pharmaceuticals, Cambridge, Massachusetts, United States of America
| | - Johanna Lahdenranta
- Discovery, Merrimack Pharmaceuticals, Cambridge, Massachusetts, United States of America
| | - Matthew D Onsum
- Discovery, Merrimack Pharmaceuticals, Cambridge, Massachusetts, United States of America
| | - Ulrik B Nielsen
- Discovery, Merrimack Pharmaceuticals, Cambridge, Massachusetts, United States of America
| | - Birgit Schoeberl
- Discovery, Merrimack Pharmaceuticals, Cambridge, Massachusetts, United States of America
| | - Charlotte F McDonagh
- Discovery, Merrimack Pharmaceuticals, Cambridge, Massachusetts, United States of America
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Lyakhovich A, Lleonart ME. Bypassing Mechanisms of Mitochondria-Mediated Cancer Stem Cells Resistance to Chemo- and Radiotherapy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2016:1716341. [PMID: 26697128 PMCID: PMC4677234 DOI: 10.1155/2016/1716341] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 08/24/2015] [Accepted: 08/25/2015] [Indexed: 01/03/2023]
Abstract
Cancer stem cells (CSCs) are highly resistant to conventional chemo- and radiotherapeutic regimes. Therefore, the multiple drug resistance (MDR) of cancer is most likely due to the resistance of CSCs. Such resistance can be attributed to some bypassing pathways including detoxification mechanisms of reactive oxygen and nitrogen species (RO/NS) formation or enhanced autophagy. Unlike in normal cells, where RO/NS concentration is maintained at certain threshold required for signal transduction or immune response mechanisms, CSCs may develop alternative pathways to diminish RO/NS levels leading to cancer survival. In this minireview, we will focus on elaborated mechanisms developed by CSCs to attenuate high RO/NS levels. Gaining a better insight into the mechanisms of stem cell resistance to chemo- or radiotherapy may lead to new therapeutic targets thus serving for better anticancer strategies.
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Affiliation(s)
- Alex Lyakhovich
- International Clinical Research Center, St. Anne's University Hospital, Masaryk University, Kamenice 5/A7, 625 00 Brno, Czech Republic
- Institute of Molecular Biology and Biophysics, Novosibirsk, Russia
| | - Matilde E. Lleonart
- Oncology and Pathology Group, Institut de Recerca Hospital Vall d'Hebron, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain
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24
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Yang D, Wang P, Liu J, Xing H, Liu Y, Xie W, Zhao G. Design, synthesis and evaluation of novel indole derivatives as AKT inhibitors. Bioorg Med Chem 2013; 22:366-73. [PMID: 24308997 DOI: 10.1016/j.bmc.2013.11.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 11/07/2013] [Accepted: 11/08/2013] [Indexed: 10/26/2022]
Abstract
Herein, we describe the discovery and synthesis of a new series of 1,2,4,7-tetra-substituted indole derivatives as novel AKT inhibitors by optimization of a weak hit methyl 4-(2-aminoethoxy)-1H-indole-2-carboxylate (1). Both representative compounds 6a and 6o exhibited the most potent inhibitory activities against AKT1, with inhibition rates of 72.5% and 78.6%, respectively, at concentrations of 10nM. In addition, compounds 6a and 6o also potently inhibited the phosphorylation of the downstream GSK3 protein and displayed slightly better anti-proliferative activities in a prostate cancer cell line.
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Affiliation(s)
- Dezhi Yang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, PR China
| | - Peng Wang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, PR China
| | - Jianzhen Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, PR China
| | - Hualu Xing
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, PR China
| | - Yang Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, PR China
| | - Wencheng Xie
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, PR China
| | - Guisen Zhao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, PR China.
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25
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Chakravarthi BV, Sujay R, Kuriakose GC, Karande AA, Jayabaskaran C. Inhibition of cancer cell proliferation and apoptosis-inducing activity of fungal taxol and its precursor baccatin III purified from endophytic Fusarium solani. Cancer Cell Int 2013; 13:105. [PMID: 24152585 PMCID: PMC4016216 DOI: 10.1186/1475-2867-13-105] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2013] [Accepted: 09/27/2013] [Indexed: 11/25/2022] Open
Abstract
Background Taxol (generic name paclitaxel), a plant-derived antineoplastic agent, used widely against breast, ovarian and lung cancer, was originally isolated from the bark of the Pacific yew, Taxus brevifolia. The limited supply of the drug has prompted efforts to find alternative sources, such as chemical synthesis, tissue and cell cultures of the Taxus species both of which are expensive and yield low levels. Fermentation processes with microorganisms would be the methods of choice to lower the costs and increase yields. Previously we have reported that F. solani isolated from T. celebica produced taxol and its precursor baccatin III in liquid grown cultures J Biosci 33:259-67, 2008. This study was performed to evaluate the inhibition of proliferation and induction of apoptosis of cancer cell lines by the fungal taxol and fungal baccatin III of F. solani isolated from T. celebica. Methods Cell lines such as HeLa, HepG2, Jurkat, Ovcar3 and T47D were cultured individually and treated with fungal taxol, baccatin III with or without caspase inhibitors according to experimental requirements. Their efficacy on apoptotic induction was examined. Results Both fungal taxol and baccatin III inhibited cell proliferation of a number of cancer cell lines with IC50 ranging from 0.005 to 0.2 μM for fungal taxol and 2 to 5 μM for fungal baccatin III. They also induced apoptosis in JR4-Jurkat cells with a possible involvement of anti-apoptotic Bcl2 and loss in mitochondrial membrane potential, and was unaffected by inhibitors of caspase-9,-2 or -3 but was prevented in presence of caspase-10 inhibitor. DNA fragmentation was also observed in cells treated with fungal taxol and baccatin III. Conclusions The cytotoxic activity exhibited by fungal taxol and baccatin III involves the same mechanism, dependent on caspase-10 and membrane potential loss of mitochondria, with taxol having far greater cytotoxic potential.
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Chiaradonna F, Moresco RM, Airoldi C, Gaglio D, Palorini R, Nicotra F, Messa C, Alberghina L. From cancer metabolism to new biomarkers and drug targets. Biotechnol Adv 2011; 30:30-51. [PMID: 21802503 DOI: 10.1016/j.biotechadv.2011.07.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Accepted: 07/13/2011] [Indexed: 12/14/2022]
Abstract
Great interest is presently given to the analysis of metabolic changes that take place specifically in cancer cells. In this review we summarize the alterations in glycolysis, glutamine utilization, fatty acid synthesis and mitochondrial function that have been reported to occur in cancer cells and in human tumors. We then propose considering cancer as a system-level disease and argue how two hallmarks of cancer, enhanced cell proliferation and evasion from apoptosis, may be evaluated as system-level properties, and how this perspective is going to modify drug discovery. Given the relevance of the analysis of metabolism both for studies on the molecular basis of cancer cell phenotype and for clinical applications, the more relevant technologies for this purpose, from metabolome and metabolic flux analysis in cells by Nuclear Magnetic Resonance and Mass Spectrometry technologies to positron emission tomography on patients, are analyzed. The perspectives offered by specific changes in metabolism for a new drug discovery strategy for cancer are discussed and a survey of the industrial activity already going on in the field is reported.
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Affiliation(s)
- F Chiaradonna
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy.
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27
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Qu Y, Wang J, Ray PS, Guo H, Huang J, Shin-Sim M, Bukoye BA, Liu B, Lee AV, Lin X, Huang P, Martens JW, Giuliano AE, Zhang N, Cheng NH, Cui X. Thioredoxin-like 2 regulates human cancer cell growth and metastasis via redox homeostasis and NF-κB signaling. J Clin Invest 2010; 121:212-25. [PMID: 21123948 DOI: 10.1172/jci43144] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2010] [Accepted: 09/29/2010] [Indexed: 12/14/2022] Open
Abstract
Cancer cells have an efficient antioxidant system to counteract their increased generation of ROS. However, whether this ability to survive high levels of ROS has an important role in the growth and metastasis of tumors is not well understood. Here, we demonstrate that the redox protein thioredoxin-like 2 (TXNL2) regulates the growth and metastasis of human breast cancer cells through a redox signaling mechanism. TXNL2 was found to be overexpressed in human cancers, including breast cancers. Knockdown of TXNL2 in human breast cancer cell lines increased ROS levels and reduced NF-κB activity, resulting in inhibition of in vitro proliferation, survival, and invasion. In addition, TXNL2 knockdown inhibited tumorigenesis and metastasis of these cells upon transplantation into immunodeficient mice. Furthermore, analysis of primary breast cancer samples demonstrated that enhanced TXNL2 expression correlated with metastasis to the lung and brain and with decreased overall patient survival. Our studies provided insight into redox-based mechanisms underlying tumor growth and metastasis and suggest that TXNL2 could be a target for treatment of breast cancer.
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Affiliation(s)
- Ying Qu
- Department of Surgery, Ruijin Hospital, Institute of Digestive Surgery, Shanghai Jiaotong University School of Medicine, Shanghai, China
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