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Isocitrate dehydrogenase 2 contributes to radiation resistance of oesophageal squamous cell carcinoma via regulating mitochondrial function and ROS/pAKT signalling. Br J Cancer 2020; 123:126-136. [PMID: 32367071 PMCID: PMC7340793 DOI: 10.1038/s41416-020-0852-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/06/2020] [Accepted: 04/01/2020] [Indexed: 11/29/2022] Open
Abstract
Background Antioxidase alleviates the accumulation of radiation-induced reactive oxygen species (ROS) and therefore has strong connections with radioresistance. Isocitrate dehydrogenase 2 (IDH2) facilitates the turnover of antioxidase, but its role in radiotherapeutic efficiency in oesophageal squamous cell carcinoma (ESCC) still remains elusive. Methods The involvement of IDH2 in radiotherapeutic efficacy in ESCC was investigated in vitro and vivo by IDH2 knockdown. IDH2 expression in biopsy specimens of 141 patients was identified to evaluate its clinical significance. Results We found that Kyse510 and Kyse140 cells were more radioresistant and had higher IDH2 expression. In these two cell lines, IDH2 knockdown intensified the radiation-induced ROS overload and oxidative damage on lipid, protein, and nucleic acids. In addition, IDH2 silencing aggravated the radiation-induced mitochondrial dysfunction and cell apoptosis and ultimately promoted radiosensitisation via inhibiting AKT phosphorylation in a ROS-dependent manner. Furthermore, IDH2 depletion facilitated the radiation-induced growth inhibition and cell apoptosis in murine xenografts. Finally, IDH2 expression was correlated with definite chemoradiotherapy (dCRT) efficacy and served as an independent prognostic factor for survival of ESCC patients. Conclusions IDH2 plays a key role in the radioresistance of ESCC. Targeting IDH2 could be a promising regimen to improve radiotherapeutic efficiency in ESCC patients.
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2
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Valderrama JA, Ríos D, Muccioli GG, Buc Calderon P, Benites J. In Vitro Inhibition of Hsp90 Protein by Benzothiazoloquinazolinequinones Is Enhanced in The Presence of Ascorbate. A Preliminary In Vivo Antiproliferative Study. Molecules 2020; 25:E953. [PMID: 32093392 PMCID: PMC7071032 DOI: 10.3390/molecules25040953] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/16/2020] [Accepted: 02/18/2020] [Indexed: 01/14/2023] Open
Abstract
A series of benzo[g]benzothiazolo[2,3-b]quinazoline-7,12-quinones were prepared from 2-acylnaphthohydroquinones and 2-aminobenzothiazoles and were evaluated for their in vitro antiproliferative activity. After screening using the MTT reduction assay, their IC50 values were calculated on a panel of cancer cells (T24, DU-145, MCF-7). Current standard anticancer drugs were included as control, and their calculated IC50 values were 7.8 and 23.5 µM for 5-fluorouracil and tamoxifen, respectively. Non-cancer cells (AG1523) were included to assess cancer cell sensitivity and drug selectivity. Four members of the series, with IC50 values from 0.11 to 2.98 µM, were chosen for further assays. The selected quinones were evaluated regarding their effects on cancer cell proliferation (clonogenic assay) and on Hsp90 and poly(ADPribose)polymerase (PARP) protein integrity. The most active compound (i.e., 15) substantially inhibited colony forming unit (CFU) formation at 0.25 µM. In the presence of ascorbate, it induced an oxidative cleavage of Hsp90 but had no effect on PARP protein integrity. In an in vivo animal model, it discreetly increased the mean survival time (m.s.t.) of tumor-bearing mice. In light of these results, compound 15 represents a potential lead-molecule to be further developed.
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Affiliation(s)
- Jaime A. Valderrama
- Química y Farmacia, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Casilla 121, Iquique 1100000, Chile; (D.R.); (P.B.C.)
- Instituto de Ciencias Exactas y Naturales, Universidad Arturo Prat, Casilla 121, Iquique 1100000, Chile
| | - David Ríos
- Química y Farmacia, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Casilla 121, Iquique 1100000, Chile; (D.R.); (P.B.C.)
| | - Giulio G. Muccioli
- Bioanalysis and Pharmacology of Bioactive Lipids (BPBL), Louvain Drug Research Institute, Université catholique de Louvain, 72 Avenue E. Mounier, BPBL 7201, 1200 Brussels, Belgium;
| | - Pedro Buc Calderon
- Química y Farmacia, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Casilla 121, Iquique 1100000, Chile; (D.R.); (P.B.C.)
- Research Group in Metabolism and Nutrition, Louvain Drug Research Institute, Université catholique de Louvain, 73 Avenue E. Mounier, 1200 Brussels, Belgium
| | - Julio Benites
- Química y Farmacia, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Casilla 121, Iquique 1100000, Chile; (D.R.); (P.B.C.)
- Instituto de Ciencias Exactas y Naturales, Universidad Arturo Prat, Casilla 121, Iquique 1100000, Chile
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Suematsu N, Ninomiya M, Sugiyama H, Udagawa T, Tanaka K, Koketsu M. Synthesis of carbazoloquinone derivatives and their antileukemic activity via modulating cellular reactive oxygen species. Bioorg Med Chem Lett 2019; 29:2243-2247. [DOI: 10.1016/j.bmcl.2019.06.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/18/2019] [Accepted: 06/19/2019] [Indexed: 01/29/2023]
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Kuciauskas D, Dreize N, Ger M, Kaupinis A, Zemaitis K, Stankevicius V, Suziedelis K, Cicenas J, Graves LM, Valius M. Proteomic Analysis of Breast Cancer Resistance to the Anticancer Drug RH1 Reveals the Importance of Cancer Stem Cells. Cancers (Basel) 2019; 11:E972. [PMID: 31336714 PMCID: PMC6678540 DOI: 10.3390/cancers11070972] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 07/08/2019] [Indexed: 12/18/2022] Open
Abstract
Antitumor drug resistance remains a major challenge in cancer chemotherapy. Here we investigated the mechanism of acquired resistance to a novel anticancer agent RH1 designed to be activated in cancer cells by the NQO1 enzyme. Data show that in some cancer cells RH1 may act in an NQO1-independent way. Differential proteomic analysis of breast cancer cells with acquired resistance to RH1 revealed changes in cell energy, amino acid metabolism and G2/M cell cycle transition regulation. Analysis of phosphoproteomics and protein kinase activity by multiplexed kinase inhibitor beads showed an increase in the activity of protein kinases involved in the cell cycle and stemness regulation and downregulation of proapoptotic kinases such as JNK in RH1-resistant cells. Suppression of JNK leads to the increase of cancer cell resistance to RH1. Moreover, resistant cells have enhanced expression of stem cell factor (SCF) and stem cell markers. Inhibition of SCF receptor c-KIT resulted in the attenuation of cancer stem cell enrichment and decreased amounts of tumor-initiating cells. RH1-resistant cells also acquire resistance to conventional therapeutics while remaining susceptible to c-KIT-targeted therapy. Data show that RH1 can be useful to treat cancers in the NQO1-independent way, and targeting of the cancer stem cells might be an effective approach for combating resistance to RH1 therapy.
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Affiliation(s)
- Dalius Kuciauskas
- Proteomics Center, Institute of Biochemistry, Vilnius University Life Sciences Center, Vilnius University, 10223 Vilnius, Lithuania
| | - Nadezda Dreize
- Proteomics Center, Institute of Biochemistry, Vilnius University Life Sciences Center, Vilnius University, 10223 Vilnius, Lithuania
| | - Marija Ger
- Proteomics Center, Institute of Biochemistry, Vilnius University Life Sciences Center, Vilnius University, 10223 Vilnius, Lithuania
| | - Algirdas Kaupinis
- Proteomics Center, Institute of Biochemistry, Vilnius University Life Sciences Center, Vilnius University, 10223 Vilnius, Lithuania
| | - Kristijonas Zemaitis
- Proteomics Center, Institute of Biochemistry, Vilnius University Life Sciences Center, Vilnius University, 10223 Vilnius, Lithuania
| | - Vaidotas Stankevicius
- Laboratory of Molecular Oncology, National Cancer Institute, 08660 Vilnius, Lithuania
| | - Kestutis Suziedelis
- Laboratory of Molecular Oncology, National Cancer Institute, 08660 Vilnius, Lithuania
| | - Jonas Cicenas
- Proteomics Center, Institute of Biochemistry, Vilnius University Life Sciences Center, Vilnius University, 10223 Vilnius, Lithuania
- MAP Kinase Resource, 3027 Bern, Switzerland
| | - Lee M Graves
- Department of Pharmacology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Mindaugas Valius
- Proteomics Center, Institute of Biochemistry, Vilnius University Life Sciences Center, Vilnius University, 10223 Vilnius, Lithuania.
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Loss of ALDH1L1 folate enzyme confers a selective metabolic advantage for tumor progression. Chem Biol Interact 2019; 302:149-155. [PMID: 30794800 DOI: 10.1016/j.cbi.2019.02.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 02/14/2019] [Indexed: 12/13/2022]
Abstract
ALDH1L1 (cytosolic 10-formyltetrahydrofolate dehydrogenase) is the enzyme in folate metabolism commonly downregulated in human cancers. One of the mechanisms of the enzyme downregulation is methylation of the promoter of the ALDH1L1 gene. Recent studies underscored ALDH1L1 as a candidate tumor suppressor and potential marker of aggressive cancers. In agreement with the ALDH1L1 loss in cancer, its re-expression leads to inhibition of proliferation and to apoptosis, but also affects migration and invasion of cancer cells through a specific folate-dependent mechanism involved in invasive phenotype. A growing body of literature evaluated the prognostic value of ALDH1L1 expression for cancer disease, the regulatory role of the enzyme in cellular proliferation, and associated metabolic and signaling cellular responses. Overall, there is a strong indication that the ALDH1L1 silencing provides metabolic advantage for tumor progression at a later stage when unlimited proliferation and enhanced motility become critical processes for the tumor expansion. Whether the ALDH1L1 loss is involved in tumor initiation is still an open question.
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AlBasher G, AlKahtane AA, Alarifi S, Ali D, Alessia MS, Almeer RS, Abdel-Daim MM, Al-Sultan NK, Al-Qahtani AA, Ali H, Alkahtani S. Methotrexate-induced apoptosis in human ovarian adenocarcinoma SKOV-3 cells via ROS-mediated bax/bcl-2-cyt-c release cascading. Onco Targets Ther 2018; 12:21-30. [PMID: 30588027 PMCID: PMC6301295 DOI: 10.2147/ott.s178510] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Introduction The communication between a substance and a cell may depend on whether the cell is normal or pathological. The disease cells and drug interaction may occasionally overcome beneficial action of the drug; subsequently, it is important to investigate the effect of the drug in both the normal and target cells. This study aimed to evaluate the methotrexate (MTX) antiproliferative effect and explore the mechanistic approach to investigate the cell death index in SKOV-3 ovarian cells during treatment with MTX. Methods In vitro studies of SKOV-3 cells were examined by tetrazolium assay after exposure to various concentrations of MTX. Moreover, reactive oxygen species (ROS) generation, mitochondrial membrane potential, DNA damage, and AO/EtBr staining morphological analysis of necrotic/apoptotic cells were detected; cellular impairment in mitochondria and DNA was confirmed by JC-1 mitotracker/DAPI, respectively, and cell death pathway markers; bax/bcl-2 were analyzed. Results A dose-dependent antiproliferative effect of MTX treatment was observed in SKOV-3 cells; the prominent inhibitory concentration was 40 µM of MTX (P<0.01). The growth inhibition rates of the cancer cells reached 24.07% in MTX. The MTX showed increase in ROS generation and mitochondrial depolarization, and DNA integrity cells collectively advocated the apoptotic cell death at higher concentration. In addition, the results of reverse transcription polymerase chain reaction also supported the apoptosis by upregulating the bax and downregulating the bcl-2 (P<0.01). Thus the MTX moderately provokes apoptosis. Conclusion Our findings suggest that MTX acts on SKOV-3 cancer cells by increasing intracellular ROS levels, leading to DNA damage and altering the MMP along with apoptotic gene upregulation. This mechanism may provide new therapeutic targets to improve tumor treatment.
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Affiliation(s)
- Gadah AlBasher
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Abdullah A AlKahtane
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Daoud Ali
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mohammed S Alessia
- Department of Biology, Science College, Al-Imam Muhammad Ibn Saud, Islamic University, Riyadh, Saudi Arabia
| | - Rafa S Almeer
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Department of Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Nouf K Al-Sultan
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed A Al-Qahtani
- Department of Infection and Immunity, Research Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.,Department of Microbiology and Immunology, Alfaisal University School of Medicine, Riyadh, Saudi Arabia
| | - Huma Ali
- Department of Chemistry Maulana Azad National Institute of Technology, Bhopal, India,
| | - Saad Alkahtani
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
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López-Lira C, Alzate-Morales JH, Paulino M, Mella-Raipán J, Salas CO, Tapia RA, Soto-Delgado J. Combined molecular modelling and 3D-QSAR study for understanding the inhibition of NQO1 by heterocyclic quinone derivatives. Chem Biol Drug Des 2017. [PMID: 28643389 DOI: 10.1111/cbdd.13051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A combination of three-dimensional quantitative structure-activity relationship (3D-QSAR), and molecular modelling methods were used to understand the potent inhibitory NAD(P)H:quinone oxidoreductase 1 (NQO1) activity of a set of 52 heterocyclic quinones. Molecular docking results indicated that some favourable interactions of key amino acid residues at the binding site of NQO1 with these quinones would be responsible for an improvement of the NQO1 activity of these compounds. The main interactions involved are hydrogen bond of the amino group of residue Tyr128, π-stacking interactions with Phe106 and Phe178, and electrostatic interactions with flavin adenine dinucleotide (FADH) cofactor. Three models were prepared by 3D-QSAR analysis. The models derived from Model I and Model III, shown leave-one-out cross-validation correlation coefficients (q2LOO ) of .75 and .73 as well as conventional correlation coefficients (R2 ) of .93 and .95, respectively. In addition, the external predictive abilities of these models were evaluated using a test set, producing the predicted correlation coefficients (r2pred ) of .76 and .74, respectively. The good concordance between the docking results and 3D-QSAR contour maps provides helpful information about a rational modification of new molecules based in quinone scaffold, in order to design more potent NQO1 inhibitors, which would exhibit highly potent antitumor activity.
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Affiliation(s)
- Claudia López-Lira
- Departamento de Química Orgánica, Facultad de Química, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jans H Alzate-Morales
- Facultad de Ingeniería, Centro de Bioinformática y Simulación Molecular, Universidad de Talca, Talca, Chile
| | - Margot Paulino
- Facultad de Química, Centro de Bioinformática Estructural-DETEMA, Universidad de la República, Montevideo, Uruguay
| | - Jaime Mella-Raipán
- Facultad de Ciencias, Instituto de Química y Bioquímica, Universidad de Valparaíso, Valparaíso, Casilla, Chile
| | - Cristian O Salas
- Departamento de Química Orgánica, Facultad de Química, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ricardo A Tapia
- Departamento de Química Orgánica, Facultad de Química, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jorge Soto-Delgado
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andrés Bello, Viña del Mar, Chile
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Wang L, Zhong N, Liu S, Zhu X, Liu Y. High glucose stimulates proliferation and inhibits apoptosis of non-small-cell lung cancer cells by JNK-mediated downregulation of p53 pathway. Acta Biochim Biophys Sin (Shanghai) 2017; 49:286-288. [PMID: 28104581 DOI: 10.1093/abbs/gmw137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Indexed: 11/14/2022] Open
Affiliation(s)
- Lumei Wang
- The Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
- Department of Physiology, Second Military Medical University, Shanghai 200433, China
- Department of Pathology, Dongfang Hospital, Tongji University, Shanghai 200120, China
| | - Nanzhe Zhong
- Department of Orthopedic Oncology, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China
| | - Shujuan Liu
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing 100094, China
| | - Xiaoyan Zhu
- Department of Physiology, Second Military Medical University, Shanghai 200433, China
| | - Yujian Liu
- The Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
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Helander L, Sharma A, Krokan HE, Plaetzer K, Krammer B, Tortik N, Gederaas OA, Slupphaug G, Hagen L. Photodynamic treatment with hexyl-aminolevulinate mediates reversible thiol oxidation in core oxidative stress signaling proteins. MOLECULAR BIOSYSTEMS 2016; 12:796-805. [DOI: 10.1039/c5mb00744e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
HAL-PDT mediates reversible cysteine oxidation in core proteins involved in oxidative stress and apoptotic signalling.
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Affiliation(s)
- Linda Helander
- Department of Cancer Research and Molecular Medicine
- Norwegian University of Science and Technology
- Norway
| | - Animesh Sharma
- Department of Cancer Research and Molecular Medicine
- Norwegian University of Science and Technology
- Norway
- PROMEC Core Facility for Proteomics and Metabolomics
- Norwegian University of Science and Technology
| | - Hans E. Krokan
- Department of Cancer Research and Molecular Medicine
- Norwegian University of Science and Technology
- Norway
| | - Kristjan Plaetzer
- Laboratory of Photodynamic Inactivation of Microorganisms
- Department of Materials Science and Physics
- University of Salzburg
- Austria
| | - Barbara Krammer
- Division of Molecular Tumor Biology
- Department of Molecular Biology
- University of Salzburg
- Austria
| | - Nicole Tortik
- Laboratory of Photodynamic Inactivation of Microorganisms
- Department of Materials Science and Physics
- University of Salzburg
- Austria
| | - Odrun A. Gederaas
- Department of Cancer Research and Molecular Medicine
- Norwegian University of Science and Technology
- Norway
| | - Geir Slupphaug
- Department of Cancer Research and Molecular Medicine
- Norwegian University of Science and Technology
- Norway
- PROMEC Core Facility for Proteomics and Metabolomics
- Norwegian University of Science and Technology
| | - Lars Hagen
- Department of Cancer Research and Molecular Medicine
- Norwegian University of Science and Technology
- Norway
- PROMEC Core Facility for Proteomics and Metabolomics
- Norwegian University of Science and Technology
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