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Glorieux C, Liu S, Trachootham D, Huang P. Targeting ROS in cancer: rationale and strategies. Nat Rev Drug Discov 2024:10.1038/s41573-024-00979-4. [PMID: 38982305 DOI: 10.1038/s41573-024-00979-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2024] [Indexed: 07/11/2024]
Abstract
Reactive oxygen species (ROS) in biological systems are transient but essential molecules that are generated and eliminated by a complex set of delicately balanced molecular machineries. Disruption of redox homeostasis has been associated with various human diseases, especially cancer, in which increased ROS levels are thought to have a major role in tumour development and progression. As such, modulation of cellular redox status by targeting ROS and their regulatory machineries is considered a promising therapeutic strategy for cancer treatment. Recently, there has been major progress in this field, including the discovery of novel redox signalling pathways that affect the metabolism of tumour cells as well as immune cells in the tumour microenvironment, and the intriguing ROS regulation of biomolecular phase separation. Progress has also been made in exploring redox regulation in cancer stem cells, the role of ROS in determining cell fate and new anticancer agents that target ROS. This Review discusses these research developments and their implications for cancer therapy and drug discovery, as well as emerging concepts, paradoxes and future perspectives.
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Affiliation(s)
- Christophe Glorieux
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Shihua Liu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | | | - Peng Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China.
- Metabolic Innovation Center, Sun Yat-Sen University, Guangzhou, China.
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Qiao Q, Hu S, Wang X. The regulatory roles and clinical significance of glycolysis in tumor. Cancer Commun (Lond) 2024; 44:761-786. [PMID: 38851859 PMCID: PMC11260772 DOI: 10.1002/cac2.12549] [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: 11/09/2023] [Revised: 05/05/2024] [Accepted: 05/12/2024] [Indexed: 06/10/2024] Open
Abstract
Metabolic reprogramming has been demonstrated to have a significant impact on the biological behaviors of tumor cells, among which glycolysis is an important form. Recent research has revealed that the heightened glycolysis levels, the abnormal expression of glycolytic enzymes, and the accumulation of glycolytic products could regulate the growth, proliferation, invasion, and metastasis of tumor cells and provide a favorable microenvironment for tumor development and progression. Based on the distinctive glycolytic characteristics of tumor cells, novel imaging tests have been developed to evaluate tumor proliferation and metastasis. In addition, glycolytic enzymes have been found to serve as promising biomarkers in tumor, which could provide assistance in the early diagnosis and prognostic assessment of tumor patients. Numerous glycolytic enzymes have been identified as potential therapeutic targets for tumor treatment, and various small molecule inhibitors targeting glycolytic enzymes have been developed to inhibit tumor development and some of them are already applied in the clinic. In this review, we systematically summarized recent advances of the regulatory roles of glycolysis in tumor progression and highlighted the potential clinical significance of glycolytic enzymes and products as novel biomarkers and therapeutic targets in tumor treatment.
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Affiliation(s)
- Qiqi Qiao
- Department of HematologyShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongP. R. China
| | - Shunfeng Hu
- Department of HematologyShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongP. R. China
- Department of HematologyShandong Provincial HospitalShandong UniversityJinanShandongP. R. China
| | - Xin Wang
- Department of HematologyShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongP. R. China
- Department of HematologyShandong Provincial HospitalShandong UniversityJinanShandongP. R. China
- Taishan Scholars Program of Shandong ProvinceJinanShandongP. R. China
- Branch of National Clinical Research Center for Hematologic DiseasesJinanShandongP. R. China
- National Clinical Research Center for Hematologic Diseasesthe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuP. R. China
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3
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Bel’skaya LV, Dyachenko EI. Oxidative Stress in Breast Cancer: A Biochemical Map of Reactive Oxygen Species Production. Curr Issues Mol Biol 2024; 46:4646-4687. [PMID: 38785550 PMCID: PMC11120394 DOI: 10.3390/cimb46050282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/08/2024] [Accepted: 05/11/2024] [Indexed: 05/25/2024] Open
Abstract
This review systematizes information about the metabolic features of breast cancer directly related to oxidative stress. It has been shown those redox changes occur at all levels and affect many regulatory systems in the human body. The features of the biochemical processes occurring in breast cancer are described, ranging from nonspecific, at first glance, and strictly biochemical to hormone-induced reactions, genetic and epigenetic regulation, which allows for a broader and deeper understanding of the principles of oncogenesis, as well as maintaining the viability of cancer cells in the mammary gland. Specific pathways of the activation of oxidative stress have been studied as a response to the overproduction of stress hormones and estrogens, and specific ways to reduce its negative impact have been described. The diversity of participants that trigger redox reactions from different sides is considered more fully: glycolytic activity in breast cancer, and the nature of consumption of amino acids and metals. The role of metals in oxidative stress is discussed in detail. They can act as both co-factors and direct participants in oxidative stress, since they are either a trigger mechanism for lipid peroxidation or capable of activating signaling pathways that affect tumorigenesis. Special attention has been paid to the genetic and epigenetic regulation of breast tumors. A complex cascade of mechanisms of epigenetic regulation is explained, which made it possible to reconsider the existing opinion about the triggers and pathways for launching the oncological process, the survival of cancer cells and their ability to localize.
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Affiliation(s)
- Lyudmila V. Bel’skaya
- Biochemistry Research Laboratory, Omsk State Pedagogical University, 644099 Omsk, Russia;
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Yang B, Lin Y, Huang Y, Shen YQ, Chen Q. Thioredoxin (Trx): A redox target and modulator of cellular senescence and aging-related diseases. Redox Biol 2024; 70:103032. [PMID: 38232457 PMCID: PMC10827563 DOI: 10.1016/j.redox.2024.103032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 12/03/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024] Open
Abstract
Thioredoxin (Trx) is a compact redox-regulatory protein that modulates cellular redox state by reducing oxidized proteins. Trx exhibits dual functionality as an antioxidant and a cofactor for diverse enzymes and transcription factors, thereby exerting influence over their activity and function. Trx has emerged as a pivotal biomarker for various diseases, particularly those associated with oxidative stress, inflammation, and aging. Recent clinical investigations have underscored the significance of Trx in disease diagnosis, treatment, and mechanistic elucidation. Despite its paramount importance, the intricate interplay between Trx and cellular senescence-a condition characterized by irreversible growth arrest induced by multiple aging stimuli-remains inadequately understood. In this review, our objective is to present a comprehensive and up-to-date overview of the structure and function of Trx, its involvement in redox signaling pathways and cellular senescence, its association with aging and age-related diseases, as well as its potential as a therapeutic target. Our review aims to elucidate the novel and extensive role of Trx in senescence while highlighting its implications for aging and age-related diseases.
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Affiliation(s)
- Bowen Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Yumeng Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Yibo Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Ying-Qiang Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Qianming Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
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Tang T, Fang D, Ji Z, Zhong Z, Zhou B, Ye L, Jiang L, Sun X. Inhibition of thioredoxin-1 enhances the toxicity of glycolysis inhibitor 2-deoxyglucose by downregulating SLC1A5 expression in colorectal cancer cells. Cell Oncol (Dordr) 2024; 47:607-621. [PMID: 37867183 DOI: 10.1007/s13402-023-00887-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2023] [Indexed: 10/24/2023] Open
Abstract
BACKGROUND Targeting glycolysis in cancer is an attractive approach for therapeutic intervention. 2-Deoxyglucose (2DG) is a synthetic glucose analog that inhibits glycolysis. However, its efficacy is limited by the systemic toxicity at high doses. Understanding the mechanism of 2DG resistance is important for further use of this drug in cancer treatment. METHODS The expression of thioredoxin-1 (Trx-1) in colorectal cancer (CRC) cells treated with 2DG was detected by Western blotting. The effect of Trx-1 on the cytotoxicity of 2DG in CRC cells was examined in vitro and in vivo. The molecular mechanism involved in Trx-1-mediated activation of the SLC1A5 gene promoter activity was elucidated using in vitro models. RESULTS Inhibition glycolysis with 2DG increased the expression of Trx-1 in CRC cells. Overexpression of Trx-1 decreased the cytotoxicity of 2DG, whereas knockdown of Trx-1 by shRNA significantly increased the cytotoxicity of 2DG in CRC cells. The Trx-1 inhibitor PX-12 increased the cytotoxicity of 2DG on CRC cells both in vitro and in vivo. In addition, Trx-1 promoted SLC1A5 expression by increasing the promoter activity of the SLC1A5 gene by binding to SP1. We also found that the SLC1A5 expression was upregulated in CRC tissues, and inhibition of SLC1A5 significantly enhanced the inhibitory effect of 2DG on the growth of CRC cells in vitro and in vivo. Overexpression of SLC1A5 reduced the cytotoxicity of 2DG in combination with PX-12 treatment in CRC cells. CONCLUSION Our results demonstrate a novel adaptive mechanism of glycolytic inhibition in which Trx-1 increases GSH levels by regulating SLC1A5 to rescue cytotoxicity induced by 2DG in CRC cells. Inhibition of glycolysis in combination with inhibition of Trx-1 or SLC1A5 may be a promising strategy for the treatment of CRC.
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Affiliation(s)
- Tianbin Tang
- Central Laboratory, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Daoquan Fang
- Central Laboratory, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Ziwei Ji
- Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, 317000, China
| | - Zuyue Zhong
- Central Laboratory, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Baojian Zhou
- Central Laboratory, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Lechi Ye
- Department of Colorectal and Anal Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Lei Jiang
- Central Laboratory, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
| | - Xuecheng Sun
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
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Yasukawa T, Iwama R, Yamasaki Y, Masuo N, Noda Y. Yeast Rim11 kinase responds to glutathione-induced stress by regulating the transcription of phospholipid biosynthetic genes. Mol Biol Cell 2024; 35:ar8. [PMID: 37938929 PMCID: PMC10881166 DOI: 10.1091/mbc.e23-03-0116] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 10/23/2023] [Accepted: 10/30/2023] [Indexed: 11/10/2023] Open
Abstract
Glutathione (GSH), a tripeptide composed of glycine, cysteine, and glutamic acid, is an abundant thiol found in a wide variety of cells, ranging from bacterial to mammalian cells. Adequate levels of GSH are essential for maintaining iron homeostasis. The ratio of oxidized/reduced GSH is strictly regulated in each organelle to maintain the cellular redox potential. Cellular redox imbalances cause defects in physiological activities, which can lead to various diseases. Although there are many reports regarding the cellular response to GSH depletion, studies on stress response to high levels of GSH are limited. Here, we performed genome-scale screening in the yeast Saccharomyces cerevisiae and identified RIM11, BMH1, and WHI2 as multicopy suppressors of the growth defect caused by GSH stress. The deletion strains of each gene were sensitive to GSH. We found that Rim11, a kinase important in the regulation of meiosis, was activated via autophosphorylation upon GSH stress in a glucose-rich medium. Furthermore, RNA-seq revealed that transcription of phospholipid biosynthetic genes was downregulated under GSH stress, and introduction of multiple copies of RIM11 counteracted this effect. These results demonstrate that S. cerevisiae copes with GSH stress via multiple stress-responsive pathways, including a part of the adaptive pathway to glucose limitation.
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Affiliation(s)
- Taishi Yasukawa
- Mitsubishi Corporation Life Sciences Limited, Tokyo Takarazuka Building 14F, 1-1-3 Yurakucho, Chiyoda-ku, Tokyo 100-0006, Japan
| | - Ryo Iwama
- Collaborative Research Institute for Innovative Microbiology, Department of Biotechnology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Yuriko Yamasaki
- Mitsubishi Corporation Life Sciences Limited, Tokyo Takarazuka Building 14F, 1-1-3 Yurakucho, Chiyoda-ku, Tokyo 100-0006, Japan
| | - Naohisa Masuo
- Mitsubishi Corporation Life Sciences Limited, Tokyo Takarazuka Building 14F, 1-1-3 Yurakucho, Chiyoda-ku, Tokyo 100-0006, Japan
| | - Yoichi Noda
- Collaborative Research Institute for Innovative Microbiology, Department of Biotechnology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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Renatino Canevarolo R, Pereira de Souza Melo C, Moreno Cury N, Luiz Artico L, Ronchi Corrêa J, Tonhasca Lau Y, Sousa Mariano S, Reddy Sudalagunta P, Regina Brandalise S, Carolina de Mattos Zeri A, Andrés Yunes J. Glutathione levels are associated with methotrexate resistance in acute lymphoblastic leukemia cell lines. Front Oncol 2022; 12:1032336. [PMID: 36531023 PMCID: PMC9751399 DOI: 10.3389/fonc.2022.1032336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/02/2022] [Indexed: 12/03/2022] Open
Abstract
Introduction Methotrexate (MTX), a folic acid antagonist and nucleotide synthesis inhibitor, is a cornerstone drug used against acute lymphoblastic leukemia (ALL), but its mechanism of action and resistance continues to be unraveled even after decades of clinical use. Methods To better understand the mechanisms of this drug, we accessed the intracellular metabolic content of 13 ALL cell lines treated with MTX by 1H-NMR, and correlated metabolome data with cell proliferation and gene expression. Further, we validated these findings by inhibiting the cellular antioxidant system of the cells in vitro and in vivo in the presence of MTX. Results MTX altered the concentration of 31 out of 70 metabolites analyzed, suggesting inhibition of the glycine cleavage system, the pentose phosphate pathway, purine and pyrimidine synthesis, phospholipid metabolism, and bile acid uptake. We found that glutathione (GSH) levels were associated with MTX resistance in both treated and untreated cells, suggesting a new constitutive metabolic-based mechanism of resistance to the drug. Gene expression analyses showed that eight genes involved in GSH metabolism were correlated to GSH concentrations, 2 of which (gamma-glutamyltransferase 1 [GGT1] and thioredoxin reductase 3 [TXNRD3]) were also correlated to MTX resistance. Gene set enrichment analysis (GSEA) confirmed the association between GSH metabolism and MTX resistance. Pharmacological inhibition or stimulation of the main antioxidant systems of the cell, GSH and thioredoxin, confirmed their importance in MTX resistance. Arsenic trioxide (ATO), a thioredoxin inhibitor used against acute promyelocytic leukemia, potentiated MTX cytotoxicity in vitro in some of the ALL cell lines tested. Likewise, the ATO+MTX combination decreased tumor burden and extended the survival of NOD scid gamma (NSG) mice transplanted with patient-derived ALL xenograft, but only in one of four ALLs tested. Conclusion Altogether, our results show that the cellular antioxidant defense systems contribute to leukemia resistance to MTX, and targeting these pathways, especially the thioredoxin antioxidant system, may be a promising strategy for resensitizing ALL to MTX.
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Affiliation(s)
| | | | | | | | | | - Yanca Tonhasca Lau
- Centro de Pesquisa Boldrini, Centro Infantil Boldrini, Campinas, SP, Brazil
| | | | - Praneeth Reddy Sudalagunta
- Department of Cancer Physiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, United States
| | | | - Ana Carolina de Mattos Zeri
- Brazilian Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, SP, Brazil
| | - José Andrés Yunes
- Centro de Pesquisa Boldrini, Centro Infantil Boldrini, Campinas, SP, Brazil,Medical Genetics Department, Faculty of Medical Sciences, State University of Campinas, Campinas, SP, Brazil,*Correspondence: José Andrés Yunes,
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Wu T, Han N, Zhao C, Huang X, Su P, Li X. The long non-sacoding RNA TMEM147-AS1/miR-133b/ZNF587 axis regulates the Warburg effect and promotes prostatic carcinoma invasion and proliferation. J Gene Med 2022; 24:e3453. [PMID: 36181243 DOI: 10.1002/jgm.3453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/05/2022] [Accepted: 09/21/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The Warburg effect is a characteristic tumor cell behavior regarded as one of the cancer hallmarks and promotes tumor progression by promoting glucose uptake and lactate production. Long non-coding RNAs (lncRNAs) had been reported to emerge as a vital function in cancer development. The present research is designed to investigate the underlying molecular mechanism of lncRNA TMEM147 antisense RNA 1 (TMEM147-AS1) on aerobic glycolysis in prostatic carcinoma. METHODS lncRNA TMEM147-AS1, miR-133b and ZNF587 levels in prostatic carcinoma tissues and cells were detected by a polymerase chain reaction or western blot assays. Cell viability or invasion was determined by Edu (i.e. 5-ethynyl-2'-deoxyuridine), MTT (i.e. 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) or transwell assays. Hematoxylin and eosin and immunohistochemical staining were applied for histopathological examination. Tumor xenograft model was employed to investigate tumor growth in vivo. The combinative relationship between TMEM147-AS1 or ZNF587 and miR-133b was confirmed by a luciferase reporter assay. RESULTS TMEM147-AS1 and ZNF587 were up-regulated in prostatic carcinoma tissues and cells. Knockdown of TMEM147-AS1 or ZNF587 within prostate cancer cells significantly restrained cell viability, invasion and aerobic glycolysis in vitro and suppressed the neoplasia of prostatic carcinoma in vivo. miR-133b was directly targeted in both TMEM147-AS1 and ZNF587. Overexpression of miR-133b restrained prostate cancer cell viability, invasion and aerobic glycolysis. TMEM147-AS1 competitively targeted miR-133b, therefore counteracting miR-133b-mediated repression on ZNF587. CONCLUSIONS TMEM147-AS1 plays a tumor-promoting action in prostatic carcinoma aerobic glycolysis via affecting the miR-133b/ZNF587 axis, therefore regulating prostatic carcinoma cells invasion and proliferation. These outcomes implied that TMEM147-AS1 could be an effective treatment strategy for further study of prostatic carcinoma.
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Affiliation(s)
- Tao Wu
- Department of Urology, the Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Niwei Han
- Department of Laboratory Medicine, the Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Changyong Zhao
- Department of Urology, the Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Xiang Huang
- Department of Urology, the Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Peng Su
- Department of Urology, the Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Xiaoguang Li
- Department of Urology, the Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
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Targeting Glucose Metabolism Enzymes in Cancer Treatment: Current and Emerging Strategies. Cancers (Basel) 2022; 14:cancers14194568. [PMID: 36230492 PMCID: PMC9559313 DOI: 10.3390/cancers14194568] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/14/2022] [Accepted: 09/16/2022] [Indexed: 11/24/2022] Open
Abstract
Simple Summary Reprogramming of glucose metabolism is a hallmark of cancer and can be targeted by therapeutic agents. Some metabolism regulators, such as ivosidenib and enasidenib, have been approved for cancer treatment. Currently, more advanced and effective glucose metabolism enzyme-targeted anticancer drugs have been developed. Furthermore, some natural products have shown efficacy in killing tumor cells by regulating glucose metabolism, offering novel therapeutic opportunities in cancer. However, most of them have failed to be translated into clinical applications due to low selectivity, high toxicity, and side effects. Recent studies suggest that combining glucose metabolism modulators with chemotherapeutic drugs, immunotherapeutic drugs, and other conventional anticancer drugs may be a future direction for cancer treatment. Abstract Reprogramming of glucose metabolism provides sufficient energy and raw materials for the proliferation, metastasis, and immune escape of cancer cells, which is enabled by glucose metabolism-related enzymes that are abundantly expressed in a broad range of cancers. Therefore, targeting glucose metabolism enzymes has emerged as a promising strategy for anticancer drug development. Although several glucose metabolism modulators have been approved for cancer treatment in recent years, some limitations exist, such as a short half-life, poor solubility, and numerous adverse effects. With the rapid development of medicinal chemicals, more advanced and effective glucose metabolism enzyme-targeted anticancer drugs have been developed. Additionally, several studies have found that some natural products can suppress cancer progression by regulating glucose metabolism enzymes. In this review, we summarize the mechanisms underlying the reprogramming of glucose metabolism and present enzymes that could serve as therapeutic targets. In addition, we systematically review the existing drugs targeting glucose metabolism enzymes, including small-molecule modulators and natural products. Finally, the opportunities and challenges for glucose metabolism enzyme-targeted anticancer drugs are also discussed. In conclusion, combining glucose metabolism modulators with conventional anticancer drugs may be a promising cancer treatment strategy.
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Brashears CB, Prudner BC, Rathore R, Caldwell KE, Dehner CA, Buchanan JL, Lange SE, Poulin N, Sehn JK, Roszik J, Spitzer D, Jones KB, O'Keefe R, Nielsen TO, Taylor EB, Held JM, Hawkins W, Van Tine BA. Malic Enzyme 1 Absence in Synovial Sarcoma Shifts Antioxidant System Dependence and Increases Sensitivity to Ferroptosis Induction with ACXT-3102. Clin Cancer Res 2022; 28:3573-3589. [PMID: 35421237 PMCID: PMC9378556 DOI: 10.1158/1078-0432.ccr-22-0470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/29/2022] [Accepted: 04/12/2022] [Indexed: 01/09/2023]
Abstract
PURPOSE To investigate the metabolism of synovial sarcoma (SS) and elucidate the effect of malic enzyme 1 absence on SS redox homeostasis. EXPERIMENTAL DESIGN ME1 expression was measured in SS clinical samples, SS cell lines, and tumors from an SS mouse model. The effect of ME1 absence on glucose metabolism was evaluated utilizing Seahorse assays, metabolomics, and C13 tracings. The impact of ME1 absence on SS redox homeostasis was evaluated by metabolomics, cell death assays with inhibitors of antioxidant systems, and measurements of intracellular reactive oxygen species (ROS). The susceptibility of ME1-null SS to ferroptosis induction was interrogated in vitro and in vivo. RESULTS ME1 absence in SS was confirmed in clinical samples, SS cell lines, and an SS tumor model. Investigation of SS glucose metabolism revealed that ME1-null cells exhibit higher rates of glycolysis and higher flux of glucose into the pentose phosphate pathway (PPP), which is necessary to produce NADPH. Evaluation of cellular redox homeostasis demonstrated that ME1 absence shifts dependence from the glutathione system to the thioredoxin system. Concomitantly, ME1 absence drives the accumulation of ROS and labile iron. ROS and iron accumulation enhances the susceptibility of ME1-null cells to ferroptosis induction with inhibitors of xCT (erastin and ACXT-3102). In vivo xenograft models of ME1-null SS demonstrate significantly increased tumor response to ACXT-3102 compared with ME1-expressing controls. CONCLUSIONS These findings demonstrate the translational potential of targeting redox homeostasis in ME1-null cancers and establish the preclinical rationale for a phase I trial of ACXT-3102 in SS patients. See related commentary by Subbiah and Gan, p. 3408.
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Affiliation(s)
- Caitlyn B. Brashears
- Division of Medical Oncology, Washington University in St. Louis, St. Louis, Missouri
| | - Bethany C. Prudner
- Division of Medical Oncology, Washington University in St. Louis, St. Louis, Missouri
| | - Richa Rathore
- Division of Medical Oncology, Washington University in St. Louis, St. Louis, Missouri
| | - Katharine E. Caldwell
- Department of Surgery, Washington University in St. Louis School of Medicine, St. Louis, Missouri
| | - Carina A. Dehner
- Department of Pathology and Immunology, Division of Anatomic and Molecular Pathology, Washington University in St. Louis, St. Louis, Missouri
| | - Jane L. Buchanan
- Department of Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - Sara E.S. Lange
- Division of Medical Oncology, Washington University in St. Louis, St. Louis, Missouri
| | - Neal Poulin
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Jennifer K. Sehn
- Department of Pathology and Immunology, Division of Anatomic and Molecular Pathology, Washington University in St. Louis, St. Louis, Missouri
| | - Jason Roszik
- Departments of Melanoma Medical Oncology and Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Dirk Spitzer
- Department of Surgery, Washington University in St. Louis School of Medicine, St. Louis, Missouri.,Siteman Cancer Center, Washington University in St. Louis, St. Louis, Missouri
| | - Kevin B. Jones
- Department of Orthopedics, University of Utah, Salt Lake City, Utah.,Department of Oncological Sciences, University of Utah, Salt Lake City, Utah.,Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah
| | - Regis O'Keefe
- Siteman Cancer Center, Washington University in St. Louis, St. Louis, Missouri.,Department of Orthopedics, Washington University in St. Louis, St. Louis, Missouri
| | - Torsten O. Nielsen
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Eric B. Taylor
- Department of Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, Iowa.,Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa.,Fraternal Order of Eagles Diabetes Research Center, University of Iowa, Iowa City, Iowa
| | - Jason M. Held
- Division of Medical Oncology, Washington University in St. Louis, St. Louis, Missouri.,Siteman Cancer Center, Washington University in St. Louis, St. Louis, Missouri.,Department of Anesthesiology, Washington University in St. Louis, St. Louis, Missouri
| | - William Hawkins
- Department of Surgery, Washington University in St. Louis School of Medicine, St. Louis, Missouri.,Siteman Cancer Center, Washington University in St. Louis, St. Louis, Missouri
| | - Brian A. Van Tine
- Division of Medical Oncology, Washington University in St. Louis, St. Louis, Missouri.,Siteman Cancer Center, Washington University in St. Louis, St. Louis, Missouri.,Department of Pediatrics, Washington University in St. Louis, St. Louis, Missouri.,Corresponding Author: Brian A. Van Tine, Division of Medical Oncology, Washington University in St. Louis, 660 South Euclid, Campus Box 8007, St. Louis, MO 63110. Phone: 314-747-3096: E-mail:
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Huang L, Guo X, Liu P, Zhao Y, Wu C, Zhou C, Huang C, Li G, Zhuang Y, Cheng S, Cao H, Zhang C, Xu Z, Liu X, Hu G, Liu P. Correlation between acute brain injury and brain metabonomics in dichlorvos-poisoned broilers. JOURNAL OF HAZARDOUS MATERIALS 2022; 422:126849. [PMID: 34416688 DOI: 10.1016/j.jhazmat.2021.126849] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 07/17/2021] [Accepted: 08/05/2021] [Indexed: 06/13/2023]
Abstract
Dichlorvos (DDVP) is an insecticide with neurotoxicity that is widely used in agricultural production and life. However, the effects of acute DDVP poisoning on brain tissue remain underinvestigated. The purpose of this study was to evaluate the differences within 15 min-6 h in plasma biochemical indexes, brain histology and metabolites among three groups of commercial broilers orally administered different dosages of DDVP one time: (1) high-dose group (11.3 mg/kg), (2) low-dose group (2.48 mg/kg) and (3) control group (0 mg/kg). The results of biochemical indexes showed that acute DDVP poisoning could cause hyperglycemia and oxidative stress in poisoned broilers. Histological examination showed that DDVP could induce brain edema, abnormal expression of glial fibrillary acidic protein (GFAP) and neuronal mitochondrial damage in broilers. Whole-brain metabolism showed that DDVP could significantly change the secretion of neurotransmitters, energy metabolism, amino acid metabolism and nucleotide metabolism. Correlation analysis showed that metabolites such as hypoxanthine, acetylcarnitine and glucose 6-phosphate were significantly correlated with blood glucose, biomarkers of oxidative stress and brain injury pathology. The results of this study provide new insights into the molecular mechanism of brain tissue responses to acute DDVP exposure in broilers and deliver important information for clinical research on neurodegenerative diseases caused by acute DDVP poisoning.
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Affiliation(s)
- Lujia Huang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Xiaoquan Guo
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Pei Liu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Yulan Zhao
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Cong Wu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Changming Zhou
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Cheng Huang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Guyue Li
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Yu Zhuang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Sufang Cheng
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Huabin Cao
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Caiying Zhang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Zheng Xu
- Department of Mathematics and Statistics, Wright State University, Dayton, OH 45435, United States
| | - Xin Liu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Guoliang Hu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China.
| | - Ping Liu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China.
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12
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Meskers CJW, Franczak M, Smolenski RT, Giovannetti E, Peters GJ. Are we still on the right path(way)?: the altered expression of the pentose phosphate pathway in solid tumors and the potential of its inhibition in combination therapy. Expert Opin Drug Metab Toxicol 2022; 18:61-83. [PMID: 35238253 DOI: 10.1080/17425255.2022.2049234] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION The pentose phosphate pathway (PPP) branches from glycolysis and is crucial for cell growth, since it provides necessary compounds for anabolic reactions, nucleotide synthesis, and detoxification of reactive-oxygen-species (ROS). Overexpression of PPP enzymes has been reported in multiple cancer types and linked to therapy resistance, making their inhibition interesting targets for anti-cancer therapies. AREAS COVERED This review summarizes the extent of PPP upregulation across different cancer types, and the non-metabolic functions that PPP-enzymes might contribute to cancer initiation and maintenance. The effects of PPP-inhibition and their combinations with chemotherapeutics are summarized. We searched the databases provided by the University of Amsterdam to characterize the altered expression of the PPP across different cancer types, and to identify the effects of PPP-inhibition. EXPERT OPINION It can be concluded that there are synergistic and additive effects of PPP-inhibition and various classes of chemotherapeutics. These effects may be attributed to the increased susceptibility to ROS. However, the toxicity, low efficacy, and off-target effects of PPP-inhibitors make application in clinical practice challenging. Novel inhibitors are currently being developed, which could make PPP-inhibition a potential therapeutic strategy in the future, especially in combination with conventional chemotherapeutics and the inhibition of other metabolic pathways.
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Affiliation(s)
- Caroline J W Meskers
- Amsterdam University College, Amsterdam, The Netherlands.,Laboratory Medical Oncology, Amsterdam UMC, Vrije Universiteit Amsterdam location VUMC, Cancer Center Amsterdam, The Netherlands
| | - Marika Franczak
- Department of Biochemistry, Medical University of Gdansk, Poland
| | | | - Elisa Giovannetti
- Laboratory Medical Oncology, Amsterdam UMC, Vrije Universiteit Amsterdam location VUMC, Cancer Center Amsterdam, The Netherlands.,Cancer Pharmacology Lab, AIRC Start Up Unit, Fondazione Pisana per la Scienza, Pisa, Italy
| | - Godefridus J Peters
- Laboratory Medical Oncology, Amsterdam UMC, Vrije Universiteit Amsterdam location VUMC, Cancer Center Amsterdam, The Netherlands.,Department of Biochemistry, Medical University of Gdansk, Poland
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13
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Gamberi T, Chiappetta G, Fiaschi T, Modesti A, Sorbi F, Magherini F. Upgrade of an old drug: Auranofin in innovative cancer therapies to overcome drug resistance and to increase drug effectiveness. Med Res Rev 2021; 42:1111-1146. [PMID: 34850406 PMCID: PMC9299597 DOI: 10.1002/med.21872] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/08/2021] [Accepted: 11/17/2021] [Indexed: 12/20/2022]
Abstract
Auranofin is an oral gold(I) compound, initially developed for the treatment of rheumatoid arthritis. Currently, Auranofin is under investigation for oncological application within a drug repurposing plan due to the relevant antineoplastic activity observed both in vitro and in vivo tumor models. In this review, we analysed studies in which Auranofin was used as a single drug or in combination with other molecules to enhance their anticancer activity or to overcome chemoresistance. The analysis of different targets/pathways affected by this drug in different cancer types has allowed us to highlight several interesting targets and effects of Auranofin besides the already well-known inhibition of thioredoxin reductase. Among these targets, inhibitory-κB kinase, deubiquitinates, protein kinase C iota have been frequently suggested. To rationalize the effects of Auranofin by a system biology-like approach, we exploited transcriptomic data obtained from a wide range of cell models, extrapolating the data deposited in the Connectivity Maps website and we attempted to provide a general conclusion and discussed the major points that need further investigation.
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Affiliation(s)
- Tania Gamberi
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - Giovanni Chiappetta
- Biological Mass Spectrometry and Proteomics Group, Plasticité du Cerveau UMR 8249 CNRS, Paris, ESPCI Paris-PSL, France
| | - Tania Fiaschi
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - Alessandra Modesti
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - Flavia Sorbi
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - Francesca Magherini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
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14
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Chang LC, Fan CW, Tseng WK, Hua CC. The level of S-glutathionylated protein is a predictor for metastasis in colorectal cancer and correlated with those of Nrf2/Keap1 pathway. Biomarkers 2021; 26:780-787. [PMID: 34704878 DOI: 10.1080/1354750x.2021.1999503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION The Nrf2 (nuclear factor erythroid 2-like 2; NFE2L2)/Keap1 (Kelch-like ECH-associated protein 1) pathway and the TXN (thioredoxin)/GSH (glutathione) system interact mutually and regulate cellular redox with impacts on cancer metastasis and S-glutathionylation of protein, which is an indicator of cell distress. This study investigates the levels of proteins in the Nrf2/Keap1 pathway and the TXN/GSH system and SGP (S-glutathionylated protein) in CRC (colorectal cancer) with or without metastasis. MATERIALS AND METHODS The protein levels of Nrf2, Keap1, Bach1 (BTB domain and CNC homolog 1), TXN, TXNRD1 (thioredoxin reductase 1), GSR (glutathione reductase) and SGP with molecular weight 31-172 kDa in the normal and tumour tissues of 64 CRC subjects were determined by Western blot. RESULTS The protein levels and their T/N (tumour/normal tissue) ratios of the Nrf2/Keap1 pathway, the TXN/GSH system and SGP were correlated to different extents in the tissues of CRC subjects with or without lymph node/distant metastasis. The T/N ratios of SGP (odd ratio: 0.19; 95% CI: 0.04-0.74) and lympho-vascular invasion (4.2; 1.39-13.73) were significant predictors for metastasis. CONCLUSIONS SGPs have protein levels correlated with those of the Nrf2/Keap1 pathway and their T/N ratios are a negative predictor for metastasis in CRC.
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Affiliation(s)
- Liang-Che Chang
- Department of Pathology, Chang Gung Memorial Hospital, Keelung and Chang Gung University, Keelung, Republic of China
| | - Chung-Wei Fan
- Division of Colon and Rectal Surgery, Chang Gung Memorial Hospital, Keelung and Chang Gung University, Keelung, Republic of China
| | - Wen-Ko Tseng
- Division of Colon and Rectal Surgery, Chang Gung Memorial Hospital, Keelung and Chang Gung University, Keelung, Republic of China
| | - Chung-Ching Hua
- Division of Pulmonary, Critical Care and Sleep Medicine, Chang Gung Memorial Hospital, and Chang Gung University Keelung, Republic of China Keelung
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15
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Shytaj IL, Procopio FA, Tarek M, Carlon‐Andres I, Tang H, Goldman AR, Munshi M, Kumar Pal V, Forcato M, Sreeram S, Leskov K, Ye F, Lucic B, Cruz N, Ndhlovu LC, Bicciato S, Padilla‐Parra S, Diaz RS, Singh A, Lusic M, Karn J, Alvarez‐Carbonell D, Savarino A. Glycolysis downregulation is a hallmark of HIV-1 latency and sensitizes infected cells to oxidative stress. EMBO Mol Med 2021; 13:e13901. [PMID: 34289240 PMCID: PMC8350904 DOI: 10.15252/emmm.202013901] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 06/25/2021] [Accepted: 06/28/2021] [Indexed: 12/12/2022] Open
Abstract
HIV-1 infects lymphoid and myeloid cells, which can harbor a latent proviral reservoir responsible for maintaining lifelong infection. Glycolytic metabolism has been identified as a determinant of susceptibility to HIV-1 infection, but its role in the development and maintenance of HIV-1 latency has not been elucidated. By combining transcriptomic, proteomic, and metabolomic analyses, we here show that transition to latent HIV-1 infection downregulates glycolysis, while viral reactivation by conventional stimuli reverts this effect. Decreased glycolytic output in latently infected cells is associated with downregulation of NAD+ /NADH. Consequently, infected cells rely on the parallel pentose phosphate pathway and its main product, NADPH, fueling antioxidant pathways maintaining HIV-1 latency. Of note, blocking NADPH downstream effectors, thioredoxin and glutathione, favors HIV-1 reactivation from latency in lymphoid and myeloid cellular models. This provides a "shock and kill effect" decreasing proviral DNA in cells from people living with HIV/AIDS. Overall, our data show that downmodulation of glycolysis is a metabolic signature of HIV-1 latency that can be exploited to target latently infected cells with eradication strategies.
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Affiliation(s)
- Iart Luca Shytaj
- Department of Infectious DiseasesItalian Institute of HealthRomeItaly
- Department of Infectious DiseasesHeidelberg University HospitalHeidelbergGermany
- Infectious Diseases DepartmentFederal University of São PauloSão PauloBrazil
| | - Francesco Andrea Procopio
- Service of Immunology and AllergyLausanne University HospitalUniversity of LausanneLausanneSwitzerland
| | - Mohammad Tarek
- Bioinformatics DepartmentArmed Forces College of Medicine (AFCM)CairoEgypt
| | - Irene Carlon‐Andres
- Division of Structural BiologyWellcome Centre for Human GeneticsUniversity of OxfordOxfordUK
- Department of Infectious DiseasesFaculty of Life Sciences & MedicineKing’s College LondonLondonUK
- Randall Division of Cell and Molecular BiophysicsKing’s College LondonLondonUK
| | | | | | | | | | - Mattia Forcato
- Department of Life SciencesUniversity of Modena and Reggio EmiliaModenaItaly
| | - Sheetal Sreeram
- Department of Molecular Biology and MicrobiologyCase Western Reserve UniversityClevelandOHUSA
| | - Konstantin Leskov
- Department of Molecular Biology and MicrobiologyCase Western Reserve UniversityClevelandOHUSA
| | - Fengchun Ye
- Department of Molecular Biology and MicrobiologyCase Western Reserve UniversityClevelandOHUSA
| | - Bojana Lucic
- Department of Infectious DiseasesHeidelberg University HospitalHeidelbergGermany
- German Center for Infection ResearchHeidelbergGermany
| | - Nicolly Cruz
- Infectious Diseases DepartmentFederal University of São PauloSão PauloBrazil
| | - Lishomwa C Ndhlovu
- Division of Infectious DiseasesDepartment of MedicineWeill Cornell MedicineNew YorkNYUSA
| | - Silvio Bicciato
- Department of Life SciencesUniversity of Modena and Reggio EmiliaModenaItaly
| | - Sergi Padilla‐Parra
- Division of Structural BiologyWellcome Centre for Human GeneticsUniversity of OxfordOxfordUK
- Department of Infectious DiseasesFaculty of Life Sciences & MedicineKing’s College LondonLondonUK
- Randall Division of Cell and Molecular BiophysicsKing’s College LondonLondonUK
| | - Ricardo Sobhie Diaz
- Infectious Diseases DepartmentFederal University of São PauloSão PauloBrazil
| | - Amit Singh
- Indian Institute of ScienceBangaloreIndia
| | - Marina Lusic
- Department of Infectious DiseasesHeidelberg University HospitalHeidelbergGermany
- German Center for Infection ResearchHeidelbergGermany
| | - Jonathan Karn
- Department of Molecular Biology and MicrobiologyCase Western Reserve UniversityClevelandOHUSA
| | - David Alvarez‐Carbonell
- Department of Molecular Biology and MicrobiologyCase Western Reserve UniversityClevelandOHUSA
| | - Andrea Savarino
- Department of Infectious DiseasesItalian Institute of HealthRomeItaly
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16
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Karunanithi S, Liu R, Hou Y, Gonzalez G, Oldford N, Roe AJ, Idipilly N, Gupta K, Amara CS, Putluri S, Lee GK, Valentin-Goyco J, Stetson L, Moreton SA, Putluri V, Kavuri SM, Saunthararajah Y, de Lima M, Tochtrop GP, Putluri N, Wald DN. Thioredoxin reductase is a major regulator of metabolism in leukemia cells. Oncogene 2021; 40:5236-5246. [PMID: 34239044 PMCID: PMC8380733 DOI: 10.1038/s41388-021-01924-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 05/20/2021] [Accepted: 06/24/2021] [Indexed: 02/06/2023]
Abstract
Despite the fact that AML is the most common acute leukemia in adults, patient outcomes are poor necessitating the development of novel therapies. We identified that inhibition of Thioredoxin Reductase (TrxR) is a promising strategy for AML and report a highly potent and specific inhibitor of TrxR, S-250. Both pharmacologic and genetic inhibition of TrxR impairs the growth of human AML in mouse models. We found that TrxR inhibition leads to a rapid and marked impairment of metabolism in leukemic cells subsequently leading to cell death. TrxR was found to be a major and direct regulator of metabolism in AML cells through impacts on both glycolysis and the TCA cycle. Studies revealed that TrxR directly regulates GAPDH leading to a disruption of glycolysis and an increase in flux through the pentose phosphate pathway (PPP). The combined inhibition of TrxR and the PPP led to enhanced leukemia growth inhibition. Overall, TrxR abrogation, particularly with S-250, was identified as a promising strategy to disrupt AML metabolism.
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Affiliation(s)
- Sheelarani Karunanithi
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
- CuronBiotech Inc, Cleveland, OH, USA
| | - Ruifu Liu
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | | | - Giancarlo Gonzalez
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | - Natasha Oldford
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | - Anne Jessica Roe
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
- CuronBiotech Inc, Cleveland, OH, USA
| | - Nethrie Idipilly
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
- CuronBiotech Inc, Cleveland, OH, USA
| | - Kalpana Gupta
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | - Chandra Sekhar Amara
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - Satwikreddy Putluri
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - Grace Kyueun Lee
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | - Juan Valentin-Goyco
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | - Lindsay Stetson
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | | | - Vasanta Putluri
- Dan L. Duncan Cancer Center, Advanced Technology Core, Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX, USA
| | - Shyam M Kavuri
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX, USA
- Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Yogen Saunthararajah
- Department of Translational Hematology and Oncology Research, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Marcos de Lima
- Department of Medicine, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Gregory P Tochtrop
- Department of Chemistry, Case Western Reserve University, Cleveland, OH, USA
| | - Nagireddy Putluri
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
- Dan L. Duncan Cancer Center, Advanced Technology Core, Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX, USA
| | - David N Wald
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA.
- CuronBiotech Inc, Cleveland, OH, USA.
- Department of Pathology, Louis Stokes Cleveland VA Medical Center, Cleveland, OH, USA.
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17
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Gamberi T, Pratesi A, Messori L, Massai L. Proteomics as a tool to disclose the cellular and molecular mechanisms of selected anticancer gold compounds. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213905] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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18
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Bondarenko M, Zaytseva O, Trusova V, Moiseenko A, Rukin A, Utytskykh T, Morozova O. Luminescent Analysis of Blood Serum for Diagnostics of Pathological and Pre-Pathological States of Cancer Patients. J Fluoresc 2021; 31:1065-1073. [PMID: 33956266 DOI: 10.1007/s10895-021-02744-x] [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: 02/19/2021] [Accepted: 05/03/2021] [Indexed: 10/21/2022]
Abstract
This study is devoted to the development of a methodological approach to mathematical analysis and data interpretation of blood serum phosphorescence intensity in cancer patients for determining the pathological states and differential diagnostics of oncological process stages. The purpose of the study is blood serum phosphorescence research in patients with colorectal cancer (CRC) and stomach adenocarcinoma (SAC) and determination of the ultraweak luminescence role for diagnostics of the disease, determining its stages, control of pathogenetic therapy efficiency and forecast of recovery. The values of phosphorescence intensity of blood serum films in patients with CRC and SAC are significantly higher than the corresponding values for the control group. Contrary to the absolute intensity, the relative intensity increase compared to the control group is much more informative for oncoprocess diagnostics, since it exhibits three times increase even at the first stage of tumoral process. Serum phosphorescence intensity continues to increase with progressing of the disease. As the result of our study, the relative intensity increase compared to the first stage can be recommended as an informative indicator for differential diagnostics of oncological process stages. As a conclusion, determination of blood serum phosphorescence intensity can be considered as a sensitive and specific diagnostic method in oncology. With a correct methodological approach to data processing and interpretation, this method can be used in clinical practice for determining the oncopathological states, differential diagnostics of oncoprocess stages and diagnostics of precancer changes, which precede tumoral process development.
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Affiliation(s)
- Marina Bondarenko
- Kharkiv National Medical University, 4 Nauky Ave, Kharkiv, 61022, Ukraine
| | - Olga Zaytseva
- Kharkiv National Medical University, 4 Nauky Ave, Kharkiv, 61022, Ukraine
| | - Valeriya Trusova
- V. N. Karazin Kharkiv National University, 4 Svobody Sq, 61022, Kharkiv, Ukraine.
| | - Anton Moiseenko
- Kharkiv Medical Academy of Postgraduate Education, Amosov Str. 58, 61176, Kharkiv, Ukraine
| | - Aleksey Rukin
- Kharkiv National Medical University, 4 Nauky Ave, Kharkiv, 61022, Ukraine
| | - Tetyana Utytskykh
- Kharkiv National Medical University, 4 Nauky Ave, Kharkiv, 61022, Ukraine
| | - Oksana Morozova
- Kharkiv National Medical University, 4 Nauky Ave, Kharkiv, 61022, Ukraine
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19
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Abstract
Gold compounds have been employed throughout history to treat various types of disease, from ancient times to the present day. In the year 1985, auranofin, a gold-containing compound, was approved by U.S. Food and Drug Administration (FDA) as a therapeutic agent to target rheumatoid arthritis that would facilitate easy oral drug administration as opposed to conventional intramuscular injection used in treatments. Furthermore, auranofin demonstrates promising results for the treatment of various diseases beyond rheumatoid arthritis, including cancer, neurodegenerative diseases, acquired immune deficiency syndrome, and bacterial and parasitic infections. Various potential novel applications for auranofin have been proposed for treating human diseases. Auranofin has previously been demonstrated to inhibit thioredoxin reductase (TrxR) involved within the thioredoxin (Trx) system that comprises one of the critical cellular redox systems within the body. TrxR comprises the sole known enzyme that catalyzes Trx reduction. With cancers in particular, TrxR inhibition facilitates an increase in cellular oxidative stress and suppresses tumor growth. In this review, we describe the potential of auranofin to serve as an anticancer agent and further drug repurposing to utilize this as a strategy for further appropriate drug developments.
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Affiliation(s)
- Isao Momose
- Institute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation
| | - Takefumi Onodera
- Institute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation
| | - Manabu Kawada
- Institute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation
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20
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Ashraf MAB, Zahid A, Ashraf S, Waquar S, Iqbal S, Malik A. Implication of Prophetic Variables and their Impulsive Interplay in CA Prostate Patients Experiencing Osteo-Metastasis. Anticancer Agents Med Chem 2021; 20:2106-2113. [PMID: 32718298 DOI: 10.2174/1871520620666200727094430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 06/06/2020] [Accepted: 06/11/2020] [Indexed: 12/30/2022]
Abstract
AIMS To identify variables having a critical role in prostate cancer patients experiencing osteometastasis. BACKGROUND Prostatic carcinoma is a multifactorial complex disorder that exhibits an increased propensity to develop bone metastasis. An interplay of inflammatory and bone remodeling parameters promotes the formation of pre-metastatic niches in bones of patients, which could render them more vulnerable to skeletal disabilities. OBJECTIVE To evaluate the multi-dynamic inter-relationship of circulating variables in prostate cancer patients experiencing osteo-metastasis. MATERIALS AND METHODS Fifty-seven (n=57) men with clinically confirmed prostate cancer, fifty-nine (n=59) with skeletal metastases, and one hundred (n=100) healthy subjects i.e., men aging from 53-84 years with no clinical evidence of prostate were recruited from the Jinnah Hospital Lahore, Pakistan. Informed consent was obtained, and a venous blood sample was drawn and stored at -70oC until assayed. Levels of variables were evaluated using appropriate methods. Levels of Matrix Metalloproteinases (MMPs), Osteopontin (OPN), TGH- β, and sRANKL were estimated by the ELISA method. Each sample was suspended and the given protocol was employed. ELISA readings were obtained for the estimation of all variables. RESULTS Highly significant (P˂0.05) differential expression of oxidative stress, inflammatory cytokines, and bone remodeling variables were observed in localized and osteo-metastatic CA prostate patients. A strong positive correlation was revealed among OPN, sRANKL, MMP-7, MMP-9, PSA, and TGF-β (OPN vs. MMP-7, r=0.698* and OPN vs. MMP-9, r=0.765**, OPN vs. RANKL, =0.856*, sRANKL vs. MMP-9, r=0.825**, TGF- β vs. RANKL, r=0.868* and PSA vs. TGF- β, r=0.752*); lower levels of OPG were estimated in metastasized patients, showing that both osteolytic and osteoblastic phases of bone remodeling occur simultaneously. CONCLUSION The altered oxidative and inflammatory responses endorse Matrix Metalloproteinases (MMPs) increased activity, RANKL/OPG imbalance, and enhanced bone matrix proteins turnover, which can foster the process of osteo-metastasis. The perturbed RANKL/OPG drift and enhanced PSA levels are associated with increased TGF-β activity to aggravate Epithelial Mesenchymal transition (EM) and osteo-tropism of prostate cancer. Thus, designing novel targets of these major variables can minimize the incidence of prostate cancer patients.
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Affiliation(s)
- Muhammad A B Ashraf
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore, Lahore, Pakistan
| | - Ayesha Zahid
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore, Lahore, Pakistan
| | - Shazia Ashraf
- Department of Pathology, Independent Medical College, Faisalabad, Pakistan
| | - Sulayman Waquar
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore, Lahore, Pakistan
| | - Saima Iqbal
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore, Lahore, Pakistan
| | - Arif Malik
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore, Lahore, Pakistan
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21
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Two high-rate pentose-phosphate pathways in cancer cells. Sci Rep 2020; 10:22111. [PMID: 33335166 PMCID: PMC7746718 DOI: 10.1038/s41598-020-79185-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 11/30/2020] [Indexed: 11/24/2022] Open
Abstract
The relevant role of pentose phosphate pathway (PPP) in cancer metabolic reprogramming has been usually outlined by studying glucose-6-phosphate dehydrogenase (G6PD). However, recent evidence suggests an unexpected role for a less characterized PPP, triggered by hexose-6-phosphate dehydrogenase (H6PD) within the endoplasmic reticulum (ER). Studying H6PD biological role in breast and lung cancer, here we show that gene silencing of this reticular enzyme decreases cell content of PPP intermediates and d-ribose, to a similar extent as G6PD silencing. Decrease in overall NADPH content and increase in cell oxidative status are also comparable. Finally, either gene silencing impairs at a similar degree cell proliferating activity. This unexpected response occurs despite the absence of any cross-interference between the expression of both G6PD and H6PD. Thus, overall cancer PPP reflects the contribution of two different pathways located in the cytosol and ER, respectively. Disregarding the reticular pathway might hamper our comprehension of PPP role in cancer cell biology.
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22
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Dikova V, Vorhauser J, Geng A, Pelster B, Sandbichler AM. Metabolic interaction of hydrogen peroxide and hypoxia in zebrafish fibroblasts. Free Radic Biol Med 2020; 152:469-481. [PMID: 31740229 DOI: 10.1016/j.freeradbiomed.2019.11.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 11/12/2019] [Accepted: 11/12/2019] [Indexed: 11/26/2022]
Abstract
Cells require oxygen for aerobic metabolism, which may also result in the production of reactive oxygen species (ROS) as a by-product. Under low oxygen conditions, ROS formation has been reported to either increase or decrease. We addressed this physiological response for the first time in zebrafish embryonic fibroblasts (Z3) and used a hydrogen peroxide (H2O2)-specific fluorescent protein (roGFP2-Orp1) either targeted to the mitochondria or expressed in the cytosol. Microfluidic live-cell imaging measurements showed that oxygen deprivation in Z3 cells results in decreased or stable H2O2 levels within the mitochondria or the cytosol, respectively, and that the reductive shift recorded in the mitochondrial matrix is directly dependent on oxygen concentration. The response was accompanied by a transient increase in extracellular acidification rate (ECAR) and a lower cellular reducing potential as assessed by the viability stain alamarBlue. Complex I and III inhibition with Rotenone and Antimycin A led to H2O2 production under normoxia but these inhibitors were not able to avert the reductive shift under hypoxia. Only by system-wide inhibition of flavin-containing oxidases with Diphenyleneiodonium (DPI) were we able to decrease the reductive shift, while selective inhibition of NADPH oxidases with the inhibitor Apocynin had no effect on the hypoxia response. Since DPI also led to a strong increase in ECAR we found that, in order to keep the cytosolic H2O2 levels stable, glycolytic metabolism was of fundamental importance. According to our experiments with the glucose-6-phosphate dehydrogenase inhibitor 6-Aminonicotinamide, this was attributable to the pentose phosphate pathway producing reducing equivalents required for ROS degradation.
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Affiliation(s)
- Valentina Dikova
- Institute of Zoology and Center for Molecular Biosciences (CMBI), University of Innsbruck, Austria
| | - Julia Vorhauser
- Institute of Zoology and Center for Molecular Biosciences (CMBI), University of Innsbruck, Austria
| | - Anne Geng
- Institute of Zoology and Center for Molecular Biosciences (CMBI), University of Innsbruck, Austria
| | - Bernd Pelster
- Institute of Zoology and Center for Molecular Biosciences (CMBI), University of Innsbruck, Austria
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23
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Ghoneum A, Abdulfattah AY, Warren BO, Shu J, Said N. Redox Homeostasis and Metabolism in Cancer: A Complex Mechanism and Potential Targeted Therapeutics. Int J Mol Sci 2020; 21:E3100. [PMID: 32354000 PMCID: PMC7247161 DOI: 10.3390/ijms21093100] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/22/2020] [Accepted: 04/26/2020] [Indexed: 12/13/2022] Open
Abstract
Reactive Oxygen Species or "ROS" encompass several molecules derived from oxygen that can oxidize other molecules and subsequently transition rapidly between species. The key roles of ROS in biological processes are cell signaling, biosynthetic processes, and host defense. In cancer cells, increased ROS production and oxidative stress are instigated by carcinogens, oncogenic mutations, and importantly, metabolic reprograming of the rapidly proliferating cancer cells. Increased ROS production activates myriad downstream survival pathways that further cancer progression and metastasis. In this review, we highlight the relation between ROS, the metabolic programing of cancer, and stromal and immune cells with emphasis on and the transcription machinery involved in redox homeostasis, metabolic programing and malignant phenotype. We also shed light on the therapeutic targeting of metabolic pathways generating ROS as we investigate: Orlistat, Biguandes, AICAR, 2 Deoxyglucose, CPI-613, and Etomoxir.
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Affiliation(s)
- Alia Ghoneum
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Ammar Yasser Abdulfattah
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Bailey Olivia Warren
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Junjun Shu
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
- The Third Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Neveen Said
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
- Departments of Urology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
- Comprehensive Cancer Center, Winston Salem, NC 27157, USA
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24
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Vernier M, Dufour CR, McGuirk S, Scholtes C, Li X, Bourmeau G, Kuasne H, Park M, St-Pierre J, Audet-Walsh E, Giguère V. Estrogen-related receptors are targetable ROS sensors. Genes Dev 2020; 34:544-559. [PMID: 32079653 PMCID: PMC7111261 DOI: 10.1101/gad.330746.119] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 01/21/2020] [Indexed: 12/17/2022]
Abstract
Excessive reactive oxygen species (ROS) can cause oxidative stress and consequently cell injury contributing to a wide range of diseases. Addressing the critical gaps in our understanding of the adaptive molecular events downstream ROS provocation holds promise for the identification of druggable metabolic vulnerabilities. Here, we unveil a direct molecular link between the activity of two estrogen-related receptor (ERR) isoforms and the control of glutamine utilization and glutathione antioxidant production. ERRα down-regulation restricts glutamine entry into the TCA cycle, while ERRγ up-regulation promotes glutamine-driven glutathione production. Notably, we identify increased ERRγ expression/activation as a hallmark of oxidative stress triggered by mitochondrial disruption or chemotherapy. Enhanced tumor antioxidant capacity is an underlying feature of human breast cancer (BCa) patients that respond poorly to treatment. We demonstrate that pharmacological inhibition of ERRγ with the selective inverse agonist GSK5182 increases antitumor efficacy of the chemotherapeutic paclitaxel on poor outcome BCa tumor organoids. Our findings thus underscore the ERRs as novel redox sensors and effectors of a ROS defense program and highlight the potential therapeutic advantage of exploiting ERRγ inhibitors for the treatment of BCa and other diseases where oxidative stress plays a central role.
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Affiliation(s)
- Mathieu Vernier
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
| | - Catherine R Dufour
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
| | - Shawn McGuirk
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
| | - Charlotte Scholtes
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
| | - Xiaojing Li
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
| | - Guillaume Bourmeau
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
| | - Hellen Kuasne
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
| | - Morag Park
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
- Department of Biochemistry, McGill University, Montréal, Quebec H3G 1Y6, Canada
- Department of Medicine, McGill University, Montréal, Quebec H3G 1Y6, Canada
- Department of Oncology, McGill University, Montréal, Quebec H3G 1Y6, Canada
| | - Julie St-Pierre
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
- Department of Biochemistry, McGill University, Montréal, Quebec H3G 1Y6, Canada
| | - Etienne Audet-Walsh
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
| | - Vincent Giguère
- Goodman Cancer Research Centre, McGill University, Montréal, Quebec H3A 1A3, Canada
- Department of Biochemistry, McGill University, Montréal, Quebec H3G 1Y6, Canada
- Department of Medicine, McGill University, Montréal, Quebec H3G 1Y6, Canada
- Department of Oncology, McGill University, Montréal, Quebec H3G 1Y6, Canada
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Metabolic reprogramming and disease progression in cancer patients. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165721. [PMID: 32057942 DOI: 10.1016/j.bbadis.2020.165721] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/22/2020] [Accepted: 02/09/2020] [Indexed: 12/19/2022]
Abstract
Genomics has contributed to the treatment of a fraction of cancer patients. However, there is a need to profile the proteins that define the phenotype of cancer and its pathogenesis. The reprogramming of metabolism is a major trait of the cancer phenotype with great potential for prognosis and targeted therapy. This review overviews the major changes reported in the steady-state levels of proteins of metabolism in primary carcinomas, paying attention to those enzymes that correlate with patients' survival. The upregulation of enzymes of glycolysis, pentose phosphate pathway, lipogenesis, glutaminolysis and the antioxidant defense is concurrent with the downregulation of mitochondrial proteins involved in oxidative phosphorylation, emphasizing the potential of mitochondrial metabolism as a promising therapeutic target in cancer. We stress that high-throughput quantitative expression profiling of differentially expressed proteins in large cohorts of carcinomas paired with normal tissues will accelerate translation of metabolism to a successful personalized medicine in cancer.
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26
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2-Deoxy-d-Glucose and Its Analogs: From Diagnostic to Therapeutic Agents. Int J Mol Sci 2019; 21:ijms21010234. [PMID: 31905745 PMCID: PMC6982256 DOI: 10.3390/ijms21010234] [Citation(s) in RCA: 239] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 12/20/2019] [Accepted: 12/26/2019] [Indexed: 12/23/2022] Open
Abstract
The ability of 2-deoxy-d-glucose (2-DG) to interfere with d-glucose metabolism demonstrates that nutrient and energy deprivation is an efficient tool to suppress cancer cell growth and survival. Acting as a d-glucose mimic, 2-DG inhibits glycolysis due to formation and intracellular accumulation of 2-deoxy-d-glucose-6-phosphate (2-DG6P), inhibiting the function of hexokinase and glucose-6-phosphate isomerase, and inducing cell death. In addition to glycolysis inhibition, other molecular processes are also affected by 2-DG. Attempts to improve 2-DG’s drug-like properties, its role as a potential adjuvant for other chemotherapeutics, and novel 2-DG analogs as promising new anticancer agents are discussed in this review.
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27
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Floberg JM, Wang L, Bandara N, Rashmi R, Mpoy C, Garbow JR, Rogers BE, Patti GJ, Schwarz JK. Alteration of Cellular Reduction Potential Will Change 64Cu-ATSM Signal With or Without Hypoxia. J Nucl Med 2019; 61:427-432. [PMID: 31586008 DOI: 10.2967/jnumed.119.230805] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 09/04/2019] [Indexed: 01/11/2023] Open
Abstract
Therapies targeting reductive/oxidative (redox) metabolism hold potential in cancers resistant to chemotherapy and radiation. A redox imaging marker would help identify cancers susceptible to redox-directed therapies. Copper(II)-diacetyl-bis(4-methylthiosemicarbazonato) (Cu-ATSM) is a PET tracer developed for hypoxia imaging that could potentially be used for this purpose. We aimed to demonstrate that Cu-ATSM signal is dependent on cellular redox state, irrespective of hypoxia. Methods: We investigated the relationship between 64Cu-ATSM signal and redox state in human cervical and colon cancer cells. We altered redox state using drug strategies and single-gene mutations in isocitrate dehydrogenases (IDH1/2). Concentrations of reducing molecules were determined by spectrophotometry and liquid chromatography-mass spectrometry and compared with 64Cu-ATSM signal in vitro. Mouse models of cervical cancer were used to evaluate the relationship between 64Cu-ATSM signal and levels of reducing molecules in vivo, as well as to evaluate the change in 64Cu-ATSM signal after redox-active drug treatment. Results: A correlation exists between baseline 64Cu-ATSM signal and cellular concentration of glutathione, nicotinamide adenine dinucleotide phosphate (NADPH), and nicotinamide adenine dinucleotide (NADH). Altering NADH and NADPH metabolism using drug strategies and IDH1 mutations resulted in significant changes in 64Cu-ATSM signal under normoxic conditions. Hypoxia likewise changed 64Cu-ATSM signal, but treatment of hypoxic cells with redox-active drugs resulted in a more dramatic change than hypoxia alone. A significant difference in NADPH was seen between cervical tumor orthotopic implants in vivo, without a corresponding difference in 64Cu-ATSM signal. After treatment with β-lapachone, there was a change in 64Cu-ATSM signal in xenograft tumors smaller than 50 mg but not in larger tumors. Conclusion: 64Cu-ATSM signal reflects redox state, and altering redox state impacts 64Cu-ATSM metabolism. Our animal data suggest there are other modulating factors in vivo. These findings have implications for the use of 64Cu-ATSM as a predictive marker for redox therapies, though further in vivo work is needed.
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Affiliation(s)
- John M Floberg
- Department of Radiation Oncology, Washington University, St. Louis, Missouri
| | - Lingjue Wang
- Department of Chemistry, Washington University, St. Louis, Missouri
| | - Nilantha Bandara
- Department of Radiation Oncology, Washington University, St. Louis, Missouri
| | - Ramachandran Rashmi
- Department of Radiation Oncology, Washington University, St. Louis, Missouri
| | - Cedric Mpoy
- Department of Radiation Oncology, Washington University, St. Louis, Missouri
| | - Joel R Garbow
- Mallinckrodt Institute of Radiology, Washington University, St. Louis, Missouri.,Alvin J. Siteman Cancer Center, Washington University, St. Louis, Missouri; and
| | - Buck E Rogers
- Department of Radiation Oncology, Washington University, St. Louis, Missouri
| | - Gary J Patti
- Department of Chemistry, Washington University, St. Louis, Missouri
| | - Julie K Schwarz
- Department of Radiation Oncology, Washington University, St. Louis, Missouri.,Alvin J. Siteman Cancer Center, Washington University, St. Louis, Missouri; and.,Department of Cell Biology and Physiology, Washington University, St. Louis, Missouri
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28
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Zhao Y, Tanaka S, Yuan B, Sugiyama K, Onda K, Kiyomi A, Takagi N, Sugiura M, Hirano T. Arsenic Disulfide Combined with L-Buthionine-(S, R)-Sulfoximine Induces Synergistic Antitumor Effects in Two-Dimensional and Three-Dimensional Models of MCF-7 Breast Carcinoma Cells. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2019; 47:1149-1170. [PMID: 31311297 DOI: 10.1142/s0192415x19500599] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Three-dimensionally (3D) cultured tumor cells (spheroids) exhibit more resistance to therapeutic agents than the cells cultured in traditional two-dimensional (2D) system (monolayers). We previously demonstrated that arsenic disulfide (As2S2) exerted significant anticancer efficacies in both 2D- and 3D-cultured MCF-7 cells, whereas 3D spheroids were shown to be resistant to the As2S2 treatment. L-buthionine-(S, R)-sulfoximine (BSO), an inhibitor of glutathione (GSH) synthesis, has been regarded to be a potent candidate for combinatorial treatment due to its GSH modulation function. In the present study, we introduced BSO in combination with As2S2 at a low concentration to investigate the possible enhancing anticancer efficacy by the combinatorial treatment on 2D- and 3D-cultured MCF-7 cells. Our results presented for the first time that the combination of As2S2 and BSO exerted potent anticancer synergism in both MCF-7 monolayers and spheroids. The IC50 values of As2S2 in combinatorial treatment were significantly lower than those in treatment of As2S2 alone in both 2D- and 3D-cultured MCF-7 cells (P<0.01, respectively). In addition, augmented induction of apoptosis and enhanced cell cycle arrest along with the regulation of apoptosis- and cell cycle-related proteins, as well as synergistic inhibitions of PI3K/Akt signals, were also observed following co-treatment of As2S2 and BSO. Notably, the combinatorial treatment significantly decreased the cellular GSH levels in both 2D- and 3D-cultured MCF-7 cells in comparison with each agent alone (P<0.05 in each). Our results suggest that the combinatorial treatment with As2S2 and BSO could be a promising novel strategy to reverse arsenic resistance in human breast cancer.
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Affiliation(s)
- Yuxue Zhao
- *Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan.,§Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, P. R. China
| | - Sachiko Tanaka
- *Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Bo Yuan
- *Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan.,†Department of Applied Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Kentaro Sugiyama
- *Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Kenji Onda
- *Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Anna Kiyomi
- ‡Department of Drug Safety and Risk Management, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Norio Takagi
- †Department of Applied Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Munetoshi Sugiura
- ‡Department of Drug Safety and Risk Management, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Toshihiko Hirano
- *Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
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29
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Meiyanto E, Larasati YA. The Chemopreventive Activity of Indonesia Medicinal Plants Targeting on Hallmarks of Cancer. Adv Pharm Bull 2019; 9:219-230. [PMID: 31380247 PMCID: PMC6664113 DOI: 10.15171/apb.2019.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 03/05/2019] [Accepted: 04/14/2019] [Indexed: 02/06/2023] Open
Abstract
Cancer remains a complex disease with increasing global mortality and morbidity. Numerous theories have been established to understand the biological mechanism underlying cancer. One of the most renowned frameworks is the hallmark of cancer proposed by Hanahan and Weinberg that covers ten eminent characteristics of cancer: (i) genome instability and mutation, (ii) sustaining proliferative signaling, (iii) evading growth suppressor, (iv) enabling replicative immortality, (v) resisting cell death, (vi) inducing angiogenesis, (vii) activating invasion and metastasis, (viii) avoiding immune destruction, (ix) tumor-promoting inflammation, and (x) deregulating cellular energetics. These hallmarks provide a rational approach to design an anticancer therapy. In the current review, we summarized specific target molecules on each hallmark of cancer. Further, we evaluated the biological activity of several Indonesia medicinal plants against those specific targets. We explicated the anticancer and chemopreventive activities of some medicinal plants that have been used for centuries by local communities in Indonesia, including Curcuma genus, Brucea javanica, Boesenbergia pandurata, Caesalpinia sappan, and Nigella sativa. Interestingly, these medicinal plants target several hallmarks of cancer, and even Curcuma genus exhibited biological activities that target all hallmarks of cancer. Further, we also discuss several strategies to develop those medicinal plants and/or their active compounds as anticancer and chemopreventive agents.
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Affiliation(s)
- Edy Meiyanto
- Cancer Chemoprevention Research Center, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, Yogyakarta 55281, Indonesia.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, Yogyakarta 55281, Indonesia
| | - Yonika Arum Larasati
- Cancer Chemoprevention Research Center, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, Yogyakarta 55281, Indonesia
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30
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Elwakeel A, Soudan H, Eldoksh A, Shalaby M, Eldemellawy M, Ghareeb D, Abouseif M, Fayad A, Hassan M, Saeed H. Implementation of the Chou-Talalay method for studying the in vitro pharmacodynamic interactions of binary and ternary drug combinations on MDA-MB-231 triple negative breast cancer cells. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.synres.2019.100047] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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31
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Floberg JM, Schwarz JK. Manipulation of Glucose and Hydroperoxide Metabolism to Improve Radiation Response. Semin Radiat Oncol 2019; 29:33-41. [PMID: 30573182 DOI: 10.1016/j.semradonc.2018.10.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Dysregulated glucose and redox metabolism are near universal features of cancers. They therefore represent potential selectively toxic metabolic targets. This review outlines the preclinical and clinical data for targeting glucose and hydroperoxide metabolism in cancer, with a focus on drug strategies that have the most available evidence. In particular, inhibition of glycolysis using 2-deoxyglucose, and inhibition of redox metabolism using the glutathione pathway inhibitor buthionine sulfoximine and the thioredoxin pathway inhibitor auranofin, have shown promise in preclinical studies to increase sensitivity to chemotherapy and radiation by increasing intracellular oxidative stress. Combined inhibition of glycolysis, glutathione, and thioredoxin pathways sensitizes highly glycolytic, radioresistant cancer models in vitro and in vivo. Although the preclinical data support this approach, clinical data are limited to exploratory trials using a single drug in combination with either chemotherapy or radiation. Open research questions include optimizing drug strategies for targeting glycolysis and redox metabolism, determining the appropriate timing for administering this therapy with concurrent chemotherapy and radiation, and identifying biomarkers to determine the cancers that would benefit most from this approach. Given the quality of preclinical evidence, dual targeting of glycolysis and redox metabolism in combination with chemotherapy and radiation should be further evaluated in clinical trials.
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Affiliation(s)
- John M Floberg
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO
| | - Julie K Schwarz
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO; Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO; Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO.
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32
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Ben Mrid R, Bouchmaa N, Bouargalne Y, Ramdan B, Karrouchi K, Kabach I, El Karbane M, Idir A, Zyad A, Nhiri M. Phytochemical Characterization, Antioxidant and In Vitro Cytotoxic Activity Evaluation of Juniperus oxycedrus Subsp. oxycedrus Needles and Berries. Molecules 2019; 24:E502. [PMID: 30704127 PMCID: PMC6384603 DOI: 10.3390/molecules24030502] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Revised: 01/09/2019] [Accepted: 01/15/2019] [Indexed: 12/11/2022] Open
Abstract
In order to evaluate the antioxidant properties of aqueous and methanol extracts of needles and berries of Juniperus oxycedrus subsp. oxycedrus (Joo) species, various antioxidant capacity assessment tests (free radical scavenging assays (DPPH• and ABTS•+ tests), ferrous ions (Fe2+) chelating activity and reducing power assay (FRAP) were conducted. In all of the tests, the extracts exhibited strong antioxidant activity. Furthermore, in-vitro cytotoxic activity assays of the methanolic extracts showed potent cytotoxic effects against two breast cancer cell lines (MDA-MB-468 and MCF-7), with no cytotoxicity towards normal cells (PBMCs). Reactive oxygen species generation was presumed to be a potential reason for the observed cytotoxic effects. According to all the above, and considering its appropriate composition of mineral elements and phenolic compounds, Joo could offer a beneficial and natural source of bioactive compounds that can be either used on the preventive side as it could potentially be used in the clinic without toxicity.
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Affiliation(s)
- Reda Ben Mrid
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, BP 416, 90000 Tangier, Morocco.
| | - Najat Bouchmaa
- Team of Experimental Oncology and Natural Substances, Cellular and Molecular Immuno-pharmacology, Faculty of Science and Technologies, Sultan Moulay Slimane University, 23000 Beni-Mellal, Morocco.
| | - Youssef Bouargalne
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, BP 416, 90000 Tangier, Morocco.
| | - Btissam Ramdan
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, BP 416, 90000 Tangier, Morocco.
| | - Khalid Karrouchi
- Physicochemical service, Drugs Quality Control Laboratory, Division of Drugs and Pharmacy, Ministry of Health, 10100 Rabat, Morocco.
| | - Imad Kabach
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, BP 416, 90000 Tangier, Morocco.
| | - Miloud El Karbane
- Laboratory of Analytical Chemistry and Bromatology, Faculty of Medicine and Pharmacy, Mohamed V University, 10100 Rabat, Morocco.
| | - Abderrazak Idir
- Team of Experimental Oncology and Natural Substances, Cellular and Molecular Immuno-pharmacology, Faculty of Science and Technologies, Sultan Moulay Slimane University, 23000 Beni-Mellal, Morocco.
| | - Abdelmajid Zyad
- Team of Experimental Oncology and Natural Substances, Cellular and Molecular Immuno-pharmacology, Faculty of Science and Technologies, Sultan Moulay Slimane University, 23000 Beni-Mellal, Morocco.
| | - Mohamed Nhiri
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, BP 416, 90000 Tangier, Morocco.
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Ochi R, Chettimada S, Kizub I, Gupte SA. Dehydroepiandrosterone inhibits I Ca,L and its window current in voltage-dependent and -independent mechanisms in arterial smooth muscle cells. Am J Physiol Heart Circ Physiol 2018; 315:H1602-H1613. [PMID: 30379558 DOI: 10.1152/ajpheart.00291.2018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Dehydroepiandrosterone (DHEA) is an adrenal steroid hormone, which has the highest serum concentration among steroid hormones with DHEA sulfate (DHEAS). DHEA possesses an inhibitory action on glucose-6-phosphate dehydrogenase (G6PD), the first pentose-phosphate pathway enzyme that reduces NADP+ to NADPH. DHEA induced relaxation of high K+-induced contraction in rat arterial strips, whereas DHEAS barely induced it. We studied the effects of DHEA on L-type Ca2+ current ( ICa,L) of A7r5 arterial smooth muscle cells and compared the mechanism of inhibition with that produced by the 6-aminonicotinamide (6-AN) competitive inhibitor of G6PD. DHEA moderately inhibited ICa,L that was elicited from a holding potential (HP) of -80 mV [voltage-independent inhibition (VIDI)] and accelerated decay of ICa,L during the depolarization pulse [voltage-dependent inhibition (VDI)]. DHEA-induced VDI decreased peak ICa,L at depolarized HPs. By applying repetitive depolarization pulses from multiple HPs, novel HP-dependent steady-state inactivation curves ( f∞-HP) were constructed. DHEA shifted f∞-HP to the left and inhibited the window current, which was recorded at depolarized HPs and obtained as a product of current-voltage relationship and f∞-HP. The IC50 value of ICa,L inhibition was much higher than serum concentration. DHEA-induced VDI was downregulated by the dialysis of guanosine 5'- O-(2-thiodiphosphate), which shifted f∞-voltage to the right before the application of DHEA. 6-AN gradually and irreversibly inhibited ICa,L by VIDI, suggesting that the inhibition of G6PD is involved in DHEA-induced VIDI. In 6-AN-pretreated cells, DHEA induced additional inhibition by increasing VIDI and generating VDI. The inhibition of G6PD underlies DHEA-induced VIDI, and DHEA additionally induces VDI as described for Ca2+ channel blockers. NEW & NOTEWORTHY Dehydroepiandrosterone, the most abundantly released adrenal steroid hormone with dehydroepiandrosterone sulfate, inhibited L-type Ca2+ current and its window current in aortic smooth muscle cells. The IC50 value of inhibition decreased with the depolarization of holding potential to 15 µM at -20 mV. The inhibition occurred in a voltage-dependent manner as described for Ca2+ channel blockers and in a voltage-independent manner because of the inhibition of glucose-6-phosphate dehydrogenase.
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Affiliation(s)
- Rikuo Ochi
- Department of Biochemistry and Molecular Biology, College of Medicine, University of South Alabama , Mobile, Alabama.,Department of Pharmacology, New York Medical College, Valhalla, New York
| | - Sukrutha Chettimada
- Department of Biochemistry and Molecular Biology, College of Medicine, University of South Alabama , Mobile, Alabama.,Harvard Medical School , Boston, Massachusetts
| | - Igor Kizub
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - Sachin A Gupte
- Department of Biochemistry and Molecular Biology, College of Medicine, University of South Alabama , Mobile, Alabama.,Department of Pharmacology, New York Medical College, Valhalla, New York
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Bouchmaa N, Ben Mrid R, Boukharsa Y, Nhiri M, Ait Mouse H, Taoufik J, Ansar M, Zyad A. Cytotoxicity of new pyridazin-3(2H)-one derivatives orchestrating oxidative stress in human triple-negative breast cancer (MDA-MB-468). Arch Pharm (Weinheim) 2018; 351:e1800128. [DOI: 10.1002/ardp.201800128] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 09/18/2018] [Accepted: 09/26/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Najat Bouchmaa
- Team of Experimental Oncology and Natural Substances, Cellular and Molecular Immuno-pharmacology, Faculty of Sciences and Techniques; Sultan Moulay Slimane University; Beni-Mellal Morocco
- Laboratory of Medicinal Chemistry, Faculty of Medicine and Pharmacy; Mohammed V University; Rabat Morocco
| | - Reda Ben Mrid
- Laboratory of Biochemistry and Molecular Genetics; Faculty of Sciences and Techniques; Tangier Morocco
| | - Youness Boukharsa
- Laboratory of Medicinal Chemistry, Faculty of Medicine and Pharmacy; Mohammed V University; Rabat Morocco
| | - Mohamed Nhiri
- Laboratory of Biochemistry and Molecular Genetics; Faculty of Sciences and Techniques; Tangier Morocco
| | - Hassan Ait Mouse
- Team of Experimental Oncology and Natural Substances, Cellular and Molecular Immuno-pharmacology, Faculty of Sciences and Techniques; Sultan Moulay Slimane University; Beni-Mellal Morocco
| | - Jamal Taoufik
- Laboratory of Medicinal Chemistry, Faculty of Medicine and Pharmacy; Mohammed V University; Rabat Morocco
| | - M'hammed Ansar
- Laboratory of Medicinal Chemistry, Faculty of Medicine and Pharmacy; Mohammed V University; Rabat Morocco
| | - Abdelmajid Zyad
- Team of Experimental Oncology and Natural Substances, Cellular and Molecular Immuno-pharmacology, Faculty of Sciences and Techniques; Sultan Moulay Slimane University; Beni-Mellal Morocco
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35
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Luo M, Shang L, Brooks MD, Jiagge E, Zhu Y, Buschhaus JM, Conley S, Fath MA, Davis A, Gheordunescu E, Wang Y, Harouaka R, Lozier A, Triner D, McDermott S, Merajver SD, Luker GD, Spitz DR, Wicha MS. Targeting Breast Cancer Stem Cell State Equilibrium through Modulation of Redox Signaling. Cell Metab 2018; 28:69-86.e6. [PMID: 29972798 PMCID: PMC6037414 DOI: 10.1016/j.cmet.2018.06.006] [Citation(s) in RCA: 236] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 03/13/2018] [Accepted: 06/08/2018] [Indexed: 12/16/2022]
Abstract
Although breast cancer stem cells (BCSCs) display plasticity transitioning between quiescent mesenchymal-like (M) and proliferative epithelial-like (E) states, how this plasticity is regulated by metabolic or oxidative stress remains poorly understood. Here, we show that M- and E-BCSCs rely on distinct metabolic pathways and display markedly different sensitivities to inhibitors of glycolysis and redox metabolism. Metabolic or oxidative stress generated by 2DG, H2O2, or hypoxia promotes the transition of ROSlo M-BCSCs to a ROShi E-state. This transition is reversed by N-acetylcysteine and mediated by activation of the AMPK-HIF1α axis. Moreover, E-BCSCs exhibit robust NRF2-mediated antioxidant responses, rendering them vulnerable to ROS-induced differentiation and cytotoxicity following suppression of NRF2 or downstream thioredoxin (TXN) and glutathione (GSH) antioxidant pathways. Co-inhibition of glycolysis and TXN and GSH pathways suppresses tumor growth, tumor-initiating potential, and metastasis by eliminating both M- and E-BCSCs. Exploiting metabolic vulnerabilities of distinct BCSC states provides a novel therapeutic approach targeting this critical tumor cell population.
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Affiliation(s)
- Ming Luo
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Li Shang
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Michael D Brooks
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Evelyn Jiagge
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yongyou Zhu
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Johanna M Buschhaus
- Center of Molecular Imaging, Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Sarah Conley
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Melissa A Fath
- Free Radical and Radiation Biology Program, University of Iowa, Iowa City, IA 52242, USA
| | - April Davis
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Elizabeth Gheordunescu
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yongfang Wang
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ramdane Harouaka
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ann Lozier
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Daniel Triner
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Sean McDermott
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Sofia D Merajver
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Gary D Luker
- Center of Molecular Imaging, Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Douglas R Spitz
- Free Radical and Radiation Biology Program, University of Iowa, Iowa City, IA 52242, USA
| | - Max S Wicha
- Department of Internal Medicine, Division of Hematology & Oncology, University of Michigan, Ann Arbor, MI 48109, USA.
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Magherini F, Fiaschi T, Valocchia E, Becatti M, Pratesi A, Marzo T, Massai L, Gabbiani C, Landini I, Nobili S, Mini E, Messori L, Modesti A, Gamberi T. Antiproliferative effects of two gold(I)-N-heterocyclic carbene complexes in A2780 human ovarian cancer cells: a comparative proteomic study. Oncotarget 2018; 9:28042-28068. [PMID: 29963261 PMCID: PMC6021324 DOI: 10.18632/oncotarget.25556] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Accepted: 05/19/2018] [Indexed: 02/07/2023] Open
Abstract
Au(NHC) and Au(NHC)2, i.e. a monocarbene gold(I) complex and the corresponding bis(carbene) complex, are two structurally related compounds, endowed with cytotoxic properties against several cancer cell lines. Herein, we explore the molecular and cellular mechanisms at the basis of their cytotoxicity in A2780 human ovarian cancer cells. Through a comparative proteomic analysis, we demonstrated that the number of modulated proteins is far larger in Au(NHC)2-treated than in Au(NHC)-treated A2780 cells. Both gold compounds mainly affected proteins belonging to the following functional classes: protein synthesis, metabolism, cytoskeleton and stress response and chaperones. Particularly, Au(NHC)2 gave rise to an evident upregulation of several glycolytic enzymes. Moreover, only Au(NHC)2 triggered a net impairment of respiration and a metabolic shift towards glycolysis, suggesting that mitochondria are relevant cellular targets. We also found that both carbenes, similarly to the gold(I) compound auranofin, caused a strong inhibition of the seleno-enzyme thioredoxin reductase (TrxR). In conclusion, we highlighted that coordination of two carbene ligands to the same gold(I) center greatly enhances the antiproliferative effects of the resulting compound in comparison to the monocarbene derivative. Moreover, TrxR inhibition and metabolic impairment seem to play a major role in the Au(NHC)2 cytotoxicity. Overall, these antiproliferative effects were also confirmed on other two human ovarian cancer cell lines (i.e. SKOV3 and IGROV1).
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Affiliation(s)
- Francesca Magherini
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Tania Fiaschi
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Elisa Valocchia
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Matteo Becatti
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Alessandro Pratesi
- Department of Chemistry "Ugo Schiff", University of Florence, Florence, Italy
| | - Tiziano Marzo
- Department of Chemistry "Ugo Schiff", University of Florence, Florence, Italy.,Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Lara Massai
- Department of Chemistry "Ugo Schiff", University of Florence, Florence, Italy
| | - Chiara Gabbiani
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Ida Landini
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Stefania Nobili
- Department of Health Sciences, University of Florence, Florence, Italy
| | - Enrico Mini
- Department of Health Sciences, University of Florence, Florence, Italy
| | - Luigi Messori
- Department of Chemistry "Ugo Schiff", University of Florence, Florence, Italy
| | - Alessandra Modesti
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Tania Gamberi
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
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37
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Zhang SQ, Yung KLK, Chung SK, Chung SMS. Aldo-keto reductases-mediated cytotoxicity of 2-deoxyglucose: A novel anticancer mechanism. Cancer Sci 2018; 109:1970-1980. [PMID: 29617059 PMCID: PMC5989857 DOI: 10.1111/cas.13604] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 03/24/2018] [Accepted: 03/31/2018] [Indexed: 01/01/2023] Open
Abstract
2‐Deoxyglucose (2DG) is a non‐metabolizable glucose analog currently in clinical trials to determine its efficacy in enhancing the therapeutic effects of radiotherapy and chemotherapy of several types of cancers. It is thought to preferentially kill cancer cells by inhibiting glycolysis because cancer cells are more dependent on glycolysis for their energy needs than normal cells. However, we found that the toxicity of 2DG in cancer cells is mediated by the enzymatic activities of AKR1B1 and/or AKR1B10 (AKR1Bs), which are often overexpressed in cancer cells. Our results show that 2DG kills cancer cells because, in the process of being reduced by AKR1Bs, depletion of their cofactor NADPH leads to the depletion of glutathione (GSH) and cell death. Furthermore, we showed that compounds that are better substrates for AKR1Bs than 2DG are more effective than 2DG in killing cancer cells that overexpressed these 2 enzymes. As cancer cells can be induced to overexpress AKR1Bs, the anticancer mechanism we identified can be applied to treat a large variety of cancers. This should greatly facilitate the development of novel anticancer drugs.
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Affiliation(s)
- Shi-Qing Zhang
- Department of Biology, Hong Kong Baptist University, Hong Kong, China.,Division of Science and Technology, United International College, Zhuhai, China
| | - Kin-Lam Ken Yung
- Department of Biology, Hong Kong Baptist University, Hong Kong, China
| | - Sookja Kim Chung
- Faculty of Medicine, School of Biomedical Sciences, The University of Hong Kong, Hong Kong, China
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38
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Wang H, Bouzakoura S, de Mey S, Jiang H, Law K, Dufait I, Corbet C, Verovski V, Gevaert T, Feron O, Van den Berge D, Storme G, De Ridder M. Auranofin radiosensitizes tumor cells through targeting thioredoxin reductase and resulting overproduction of reactive oxygen species. Oncotarget 2018; 8:35728-35742. [PMID: 28415723 PMCID: PMC5482612 DOI: 10.18632/oncotarget.16113] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 03/01/2017] [Indexed: 12/28/2022] Open
Abstract
Auranofin (AF) is an anti-arthritic drug considered for combined chemotherapy due to its ability to impair the redox homeostasis in tumor cells. In this study, we asked whether AF may in addition radiosensitize tumor cells by targeting thioredoxin reductase (TrxR), a critical enzyme in the antioxidant defense system operating through the reductive protein thioredoxin. Our principal findings in murine 4T1 and EMT6 tumor cells are that AF at 3-10 μM is a potent radiosensitizer in vitro, and that at least two mechanisms are involved in TrxR-mediated radiosensitization. The first one is linked to an oxidative stress, as scavenging of reactive oxygen species (ROS) by N-acetyl cysteine counteracted radiosensitization. We also observed a decrease in mitochondrial oxygen consumption with spared oxygen acting as a radiosensitizer under hypoxic conditions. Overall, radiosensitization was accompanied by ROS overproduction, mitochondrial dysfunction, DNA damage and apoptosis, a common mechanism underlying both cytotoxic and antitumor effects of AF. In tumor-bearing mice, a simultaneous disruption of the thioredoxin and glutathione systems by the combination of AF and buthionine sulfoximine was shown to significantly improve tumor radioresponse. In conclusion, our findings illuminate TrxR in cancer cells as an exploitable radiobiological target and warrant further validation of AF in combination with radiotherapy.
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Affiliation(s)
- Hui Wang
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Soumaya Bouzakoura
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Sven de Mey
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Heng Jiang
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Kalun Law
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Inès Dufait
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium.,Laboratory of Molecular and Cellular Therapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Cyril Corbet
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium
| | - Valeri Verovski
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Thierry Gevaert
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Olivier Feron
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium
| | - Dirk Van den Berge
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Guy Storme
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Mark De Ridder
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
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39
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Yu W, Chen Y, Dubrulle J, Stossi F, Putluri V, Sreekumar A, Putluri N, Baluya D, Lai SY, Sandulache VC. Cisplatin generates oxidative stress which is accompanied by rapid shifts in central carbon metabolism. Sci Rep 2018. [PMID: 29523854 PMCID: PMC5844883 DOI: 10.1038/s41598-018-22640-y] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Cisplatin is commonly utilized in the treatment of solid tumors. Its mechanism of action is complex and multiple mechanisms of resistance have been described. We sought to determine the impact of cisplatin-generated oxidative stress on head and neck squamous cell carcinoma (HNSCC) proliferation, survival and metabolic activity in order to identify a potential metabolic signature associated with cisplatin response. DNA-bound cisplatin represents a small fraction of total intra-cellular cisplatin but generates a robust oxidative stress response. Neutralization of oxidative stress reverses cisplatin toxicity independent of the mechanism of cell death and TP53 mutational status. Cisplatin-induced oxidative stress triggers rapid shifts in carbon flux in 3 commonly utilized catabolic pathways: glycolysis, pentose phosphate pathway and citric acid cycle. Among these metabolic shifts, decreased flux from pyruvate into lactate is the only metabolic effect consistently observed across multiple HNSCC cell lines of varying genomic backgrounds and may reflect differential cisplatin sensitivity. Oxidative stress is a critical component of cisplatin cytotoxicity in HNSCC and is reflected in acute changes in carbon flux from pyruvate into lactate. This suggests that lactate may contribute to a metabolic signature of acute cisplatin toxicity, and could prove useful in optimizing cisplatin-based treatment regimens in HNSCC.
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Affiliation(s)
- Wangie Yu
- Bobby R. Alford Department of Otolaryngology Head and Neck Surgery, Baylor College of Medicine, Houston, TX, USA
| | - Yunyun Chen
- Department of Head and Neck Surgery, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Julien Dubrulle
- Integrated Microscopy Core, Advanced Technology Cores, Baylor College of Medicine, Houston, TX, USA
| | - Fabio Stossi
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA.,Integrated Microscopy Core, Advanced Technology Cores, Baylor College of Medicine, Houston, TX, USA
| | - Vasanta Putluri
- Advanced Technology Core, Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX, USA
| | - Arun Sreekumar
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - Nagireddy Putluri
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - Dodge Baluya
- Chemical Imaging Research Core, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Stephen Y Lai
- Department of Head and Neck Surgery, University of Texas MD Anderson Cancer Center, Houston, TX, USA. .,Department of Molecular and Cellular Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Vlad C Sandulache
- Bobby R. Alford Department of Otolaryngology Head and Neck Surgery, Baylor College of Medicine, Houston, TX, USA.
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40
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Expression of Pentose Phosphate Pathway-Related Proteins in Breast Cancer. DISEASE MARKERS 2018; 2018:9369358. [PMID: 29682102 PMCID: PMC5845514 DOI: 10.1155/2018/9369358] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 01/17/2018] [Indexed: 11/18/2022]
Abstract
Purpose The purpose of this study was to assess the expression of pentose phosphate pathway- (PPP-) related proteins and their significance in clinicopathologic factors of breast cancer. Methods Immunohistochemical staining for PPP-related proteins (glucose-6-phosphate dehydrogenase [G6PDH], 6-phosphogluconolactonase [6PGL], 6-phosphogluconate dehydrogenase [6PGDH], and nuclear factor-erythroid 2-related factor 2 [NRF2]) was performed using tissue microarray (TMA) of 348 breast cancers. mRNA levels of these markers in publicly available data from the Cancer Genome Atlas project and Kaplan-Meier plotters were analyzed. Results Expression of G6PDH and 6PGL was higher in HER-2 type (p < 0.001 and p = 0.009, resp.) and lower in luminal A type. 6PGDH expression was detected only in TNBC subtype (p < 0.001). G6PDH positivity was associated with ER negativity (p = 0.001), PR negativity (p = 0.001), and HER-2 positivity (p < 0.001), whereas 6PGL positivity was associated with higher T stage (p = 0.004). The 562 expression profile from the TCGA database revealed increased expression of G6PDH and 6PG in the tumor compared with normal adjacent breast tissue. The expression of G6PDH was highest in HER-2 type. HER-2 and basal-like subtypes showed higher expression of 6PGDH than luminal types. Conclusion PPP-related proteins are differentially expressed in breast cancer according to molecular subtype, and higher expression of G6PDH and 6PGL was noted in HER-2 subtype.
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41
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Del11q-positive CLL lymphocytes exhibit altered glutamine metabolism and differential response to GLS1 and glucose metabolism inhibition. Blood Cancer J 2018; 8:13. [PMID: 29367649 PMCID: PMC5802573 DOI: 10.1038/s41408-017-0039-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 10/31/2017] [Accepted: 11/29/2017] [Indexed: 01/04/2023] Open
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42
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Rashmi R, Huang X, Floberg JM, Elhammali AE, McCormick ML, Patti GJ, Spitz DR, Schwarz JK. Radioresistant Cervical Cancers Are Sensitive to Inhibition of Glycolysis and Redox Metabolism. Cancer Res 2018; 78:1392-1403. [PMID: 29339540 DOI: 10.1158/0008-5472.can-17-2367] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 11/21/2017] [Accepted: 01/10/2018] [Indexed: 12/14/2022]
Abstract
Highly glycolytic cervical cancers largely resist treatment by cisplatin and coadministered pelvic irradiation as the present standard of care. In this study, we investigated the effects of inhibiting glycolysis and thiol redox metabolism to evaluate them as alternate treatment strategies in these cancers. In a panel of multiple cervical cancer cell lines, we evaluated sensitivity to inhibition of glycolysis (2-deoxyglucose, 2-DG) with or without simultaneous inhibition of glutathione and thioredoxin metabolism (BSO/AUR). Intracellular levels of total and oxidized glutathione, thioredoxin reductase activity, and indirect measures of intracellular reactive oxygen species were compared before and after treatment. Highly radioresistant cells were the most sensitive to 2-DG, whereas intermediate radioresistant cells were sensitive to 2-DG plus BSO/AUR. In response to 2-DG/BSO/AUR treatment, we observed increased levels of intracellular oxidized glutathione, redox-sensitive dye oxidation, and decreased glucose utilization via multiple metabolic pathways including the tricarboxylic acid cycle. 2-DG/BSO/AUR treatment delayed the growth of tumors composed of intermediate radioresistant cells and effectively radiosensitized these tumors at clinically relevant radiation doses both in vitro and in vivo Overall, our results support inhibition of glycolysis and intracellular redox metabolism as an effective alternative drug strategy for the treatment of highly glycolytic and radioresistant cervical cancers.Significance: This study suggests a simple metabolic approach to strike at an apparent Achilles' heel in highly glycolytic, radioresistant forms of cervical cancers, possibly with broader applications in cancer therapy. Cancer Res; 78(6); 1392-403. ©2018 AACR.
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Affiliation(s)
- Ramachandran Rashmi
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri
| | - Xiaojing Huang
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri
| | - John M Floberg
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri
| | - Adnan E Elhammali
- Department of Radiation Oncology, MD Anderson Cancer Center, Houston, Texas
| | - Michael L McCormick
- Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Gary J Patti
- Departments of Chemistry and Medicine, Washington University, St. Louis, Missouri
| | - Douglas R Spitz
- Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Julie K Schwarz
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri. .,Department of Cell Biology and Physiology, Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, Missouri
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43
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Miran T, Vogg ATJ, Drude N, Mottaghy FM, Morgenroth A. Modulation of glutathione promotes apoptosis in triple-negative breast cancer cells. FASEB J 2018; 32:2803-2813. [PMID: 29301945 DOI: 10.1096/fj.201701157r] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Triple-negative breast cancer has an extremely high rate of relapse. This is particularly due to the existence and survival of cancer stem cells (CSCs) characterized by increased amounts of glutathione (GSH). In this study, we evaluated the potential of pharmacological GSH depletion to sensitize CSCs to ionizing radiotherapy with an I-125-labeled nucleoside analog, 5-iodo-4'-thio-2'-deoxyuridine (ITdU). CSCs were isolated using CD24-- and CD44+-specific microbeads. GSH and reactive oxygen species (ROS) were evaluated by fluorescence-activated cell sorting. GSH synthesis was inhibited with buthionine sulfoximine (BSO). Apoptotic cells were identified with propidium iodide and double-strand DNA breaks were detected by γ-H2AX staining. For therapy study, BSO treated and untreated mice xenografted with breast CSCs received weekly I-125-ITdU. Therapy efficiency was monitored by fluorodeoxyglucose-18-µ-positron emission tomography. We showed that GSH modulation sensitizes CD24- and CD44+ breast cancer cells to endogenous nanoradiotherapy. BSO synergistically affects ROS generation induced by I-125-ITdU. In an in vivo study, we demonstrated a complete tumor regression as a consequence of preconditioning with a GSH-synthesis inhibitor prior to treatment with I-125-ITdU. GSH modulation in combination with an oxidative stress-generating treatment such as endogenous radiotherapy using an Auger emitter offers an extraordinary opportunity for selective and efficient eradication of drug-resistant CSCs.-Miran, T., Vogg, A. T. J., Drude, N., Mottaghy, F. M., Morgenroth, A. Modulation of glutathione promotes apoptosis in triple-negative breast cancer cells.
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Affiliation(s)
- Tara Miran
- Department of Nuclear Medicine, University Hospital Aachen, Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen University, Aachen, Germany
| | - Andreas T J Vogg
- Department of Nuclear Medicine, University Hospital Aachen, Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen University, Aachen, Germany
| | - Natascha Drude
- Department of Nuclear Medicine, University Hospital Aachen, Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen University, Aachen, Germany
| | - Felix M Mottaghy
- Department of Nuclear Medicine, University Hospital Aachen, Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen University, Aachen, Germany.,Department of Nuclear Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Agnieszka Morgenroth
- Department of Nuclear Medicine, University Hospital Aachen, Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen University, Aachen, Germany
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Liu H, Kurtoglu M, León-Annicchiarico CL, Munoz-Pinedo C, Barredo J, Leclerc G, Merchan J, Liu X, Lampidis TJ. Combining 2-deoxy-D-glucose with fenofibrate leads to tumor cell death mediated by simultaneous induction of energy and ER stress. Oncotarget 2017; 7:36461-36473. [PMID: 27183907 PMCID: PMC5095013 DOI: 10.18632/oncotarget.9263] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 04/16/2016] [Indexed: 11/25/2022] Open
Abstract
Unregulated growth and replication as well as an abnormal microenvironment, leads to elevated levels of stress which is a common trait of cancer. By inducing both energy and endoplasmic reticulum (ER) stress, 2-Deoxy-glucose (2-DG) is particularly well-suited to take advantage of the therapeutic window that heightened stress in tumors provides. Under hypoxia, blocking glycolysis with 2-DG leads to significant lowering of ATP resulting in energy stress and cell death in numerous carcinoma cell types. In contrast, under normoxia, 2-DG at a low-concentration is not toxic in most carcinomas tested, but induces growth inhibition, which is primarily due to ER stress. Here we find a synergistic toxic effect in several tumor cell lines in vitro combining 2-DG with fenofibrate (FF), a drug that has been safely used for over 40 years to lower cholesterol in patients. This combination induces much greater energy stress than either agent alone, as measured by ATP reduction, increased p-AMPK and downregulation of mTOR. Inhibition of mTOR results in blockage of GRP78 a critical component of the unfolded protein response which we speculate leads to greater ER stress as observed by increased p-eIF2α. Moreover, to avoid an insulin response and adsorption by the liver, 2-DG is delivered by slow-release pump yielding significant anti-tumor control when combined with FF. Our results provide promise for developing this combination clinically and others that combine 2-DG with agents that act synergistically to selectively increase energy and ER stress to a level that is toxic to numerous tumor cell types.
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Affiliation(s)
- Huaping Liu
- Department of Cell Biology, University of Miami, Miller School of Medicine and Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | | | - Clara Lucia León-Annicchiarico
- Cell Death Regulation Group, Bellvitage Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Cristina Munoz-Pinedo
- Cell Death Regulation Group, Bellvitage Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Julio Barredo
- Department of Pediatrics, University of Miami, Miller School of Medicine and Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Guy Leclerc
- Department of Pediatrics, University of Miami, Miller School of Medicine and Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Jaime Merchan
- Department of Medicine, University of Miami, Miller School of Medicine and Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Xiongfei Liu
- Department of Cell Biology, University of Miami, Miller School of Medicine and Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Theodore J Lampidis
- Department of Cell Biology, University of Miami, Miller School of Medicine and Sylvester Comprehensive Cancer Center, Miami, FL, USA
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Little AC, Sulovari A, Danyal K, Heppner DE, Seward DJ, van der Vliet A. Paradoxical roles of dual oxidases in cancer biology. Free Radic Biol Med 2017; 110:117-132. [PMID: 28578013 PMCID: PMC5535817 DOI: 10.1016/j.freeradbiomed.2017.05.024] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 05/26/2017] [Accepted: 05/30/2017] [Indexed: 02/06/2023]
Abstract
Dysregulated oxidative metabolism is a well-recognized aspect of cancer biology, and many therapeutic strategies are based on targeting cancers by altering cellular redox pathways. The NADPH oxidases (NOXes) present an important enzymatic source of biological oxidants, and the expression and activation of several NOX isoforms are frequently dysregulated in many cancers. Cell-based studies have demonstrated a role for several NOX isozymes in controlling cell proliferation and/or cell migration, further supporting a potential contributing role for NOX in promoting cancer. While various NOX isoforms are often upregulated in cancers, paradoxical recent findings indicate that dual oxidases (DUOXes), normally prominently expressed in epithelial lineages, are frequently suppressed in epithelial-derived cancers by epigenetic mechanisms, although the functional relevance of such DUOX silencing has remained unclear. This review will briefly summarize our current understanding regarding the importance of reactive oxygen species (ROS) and NOXes in cancer biology, and focus on recent observations indicating the unique and seemingly opposing roles of DUOX enzymes in cancer biology. We will discuss current knowledge regarding the functional properties of DUOX, and recent studies highlighting mechanistic consequences of DUOX1 loss in lung cancer, and its consequences for tumor invasiveness and current anticancer therapy. Finally, we will also discuss potentially unique roles for the DUOX maturation factors. Overall, a better understanding of mechanisms that regulate DUOX and the functional consequences of DUOX silencing in cancer may offer valuable new diagnostic insights and novel therapeutic opportunities.
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Affiliation(s)
- Andrew C Little
- Department of Pathology and Laboratory Medicine, Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT 05405, United States; Cellular, Molecular, and Biomedical Sciences Graduate Program, University of Vermont, Burlington, VT 05405, United States
| | - Arvis Sulovari
- Cellular, Molecular, and Biomedical Sciences Graduate Program, University of Vermont, Burlington, VT 05405, United States; Department of Microbiology and Molecular Genetics, Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT 05405, United States
| | - Karamatullah Danyal
- Department of Pathology and Laboratory Medicine, Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT 05405, United States
| | - David E Heppner
- Department of Pathology and Laboratory Medicine, Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT 05405, United States
| | - David J Seward
- Department of Pathology and Laboratory Medicine, Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT 05405, United States
| | - Albert van der Vliet
- Department of Pathology and Laboratory Medicine, Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT 05405, United States; Cellular, Molecular, and Biomedical Sciences Graduate Program, University of Vermont, Burlington, VT 05405, United States.
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Go YM, Jones DP. Redox theory of aging: implications for health and disease. Clin Sci (Lond) 2017; 131:1669-1688. [PMID: 28667066 PMCID: PMC5773128 DOI: 10.1042/cs20160897] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 05/15/2017] [Accepted: 05/18/2017] [Indexed: 02/07/2023]
Abstract
Genetics ultimately defines an individual, yet the phenotype of an adult is extensively determined by the sequence of lifelong exposures, termed the exposome. The redox theory of aging recognizes that animals evolved within an oxygen-rich environment, which created a critical redox interface between an organism and its environment. Advances in redox biology show that redox elements are present throughout metabolic and structural systems and operate as functional networks to support the genome in adaptation to environmental resources and challenges during lifespan. These principles emphasize that physical and functional phenotypes of an adult are determined by gene-environment interactions from early life onward. The principles highlight the critical nature of cumulative exposure memories in defining changes in resilience progressively during life. Both plasma glutathione and cysteine systems become oxidized with aging, and the recent finding that cystine to glutathione ratio in human plasma predicts death in coronary artery disease (CAD) patients suggests this could provide a way to measure resilience of redox networks in aging and disease. The emerging concepts of cumulative gene-environment interactions warrant focused efforts to elucidate central mechanisms by which exposure memory governs health and etiology, onset and progression of disease.
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Affiliation(s)
- Young-Mi Go
- Division of Pulmonary Medicine, Department of Medicine, Emory University, Atlanta, GA 30322, U.S.A
| | - Dean P Jones
- Division of Pulmonary Medicine, Department of Medicine, Emory University, Atlanta, GA 30322, U.S.A.
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Modulation of oxidative phosphorylation and redox homeostasis in mitochondrial NDUFS4 deficiency via mesenchymal stem cells. Stem Cell Res Ther 2017. [PMID: 28646906 PMCID: PMC5482938 DOI: 10.1186/s13287-017-0601-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Background Disorders of the oxidative phosphorylation (OXPHOS) system represent a large group among the inborn errors of metabolism. The most frequently observed biochemical defect is isolated deficiency of mitochondrial complex I (CI). No effective treatment strategies for CI deficiency are so far available. The purpose of this study was to investigate whether and how mesenchymal stem cells (MSCs) are able to modulate metabolic function in fibroblast cell models of CI deficiency. Methods We used human and murine fibroblasts with a defect in the nuclear DNA encoded NDUFS4 subunit of CI. Fibroblasts were co-cultured with MSCs under different stress conditions and intercellular mitochondrial transfer was assessed by flow cytometry and fluorescence microscopy. Reactive oxygen species (ROS) levels were measured using MitoSOX-Red. Protein levels of CI were analysed by blue native polyacrylamide gel electrophoresis (BN-PAGE). Results Direct cellular interactions and mitochondrial transfer between MSCs and human as well as mouse fibroblast cell lines were demonstrated. Mitochondrial transfer was visible in 13.2% and 6% of fibroblasts (e.g. fibroblasts containing MSC mitochondria) for human and mouse cell lines, respectively. The transfer rate could be further stimulated via treatment of cells with TNF-α. MSCs effectively lowered cellular ROS production in NDUFS4-deficient fibroblast cell lines (either directly via co-culture or indirectly via incubation of cell lines with cell-free MSC supernatant). However, CI protein expression and activity were not rescued by MSC treatment. Conclusion This study demonstrates the interplay between MSCs and fibroblast cell models of isolated CI deficiency including transfer of mitochondria as well as modulation of cellular ROS levels. Further exploration of these cellular interactions might help to develop MSC-based treatment strategies for human CI deficiency. Electronic supplementary material The online version of this article (doi:10.1186/s13287-017-0601-7) contains supplementary material, which is available to authorized users.
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Stepovaya EA, Shakhristova EV, Nosareva OL, Rudikov EV, Egorova MY, Egorova DY, Novitsky VV. [Redox-dependent mechanisms of regulation of breast epithelial cell proliferation]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2017; 63:159-164. [PMID: 28414288 DOI: 10.18097/pbmc20176302159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Activation of free radical oxidation in different cell types, including breast epithelial cells, may result in damage to macromolecules, in particular, proteins taking part in regulation of cell proliferation and apoptosis. The glutathione, glutaredoxin and thioredoxin systems play an essential role in maintaining intracellular redox homeostasis. Due to this fact, modulation of cellular redox status under the effect of an SH group inhibitor and an SH group protector may be used as a model for studying the role of redox proteins and glutathione in regulating cell proliferation in different pathological processes. In this study we have evaluated the state of the thioredoxin, glutaredoxin and glutathione systems as well as their role in regulating proliferation of HBL-100 breast epithelial cells under redox status modulation with N-ethylmaleimide (NEM) and 1,4-dithioerythriol (DTE). Modulating the redox status of breast epithelial cells under the effect of NEM and DTE influences the functional activity of glutathione-dependent enzymes, glutaredoxin, thioredoxin, and thioredoxin reductase through changes in the GSH and GSSG concentrations. In HBL-100 cells under redox-status modulation, we have found an increase in the number of cells in the S-phase of the cell cycle and a decrease in the number of cells in the G0/G1 and G2/М phases, as opposed to the values in the intact culture. The proposed model of proliferative activity of cells under redox status modulation may be used for development of new therapeutic approaches for treatment of diseases accompanied by oxidative stress generation.
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Affiliation(s)
| | | | - O L Nosareva
- Siberian State Medical University, Tomsk, Russia
| | - E V Rudikov
- Siberian State Medical University, Tomsk, Russia
| | - M Y Egorova
- Siberian State Medical University, Tomsk, Russia
| | - D Y Egorova
- Siberian State Medical University, Tomsk, Russia
| | - V V Novitsky
- Siberian State Medical University, Tomsk, Russia
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Jin K, Li L, Sun X, Xu Q, Song S, Shen Y, Deng X. Mycoepoxydiene suppresses HeLa cell growth by inhibiting glycolysis and the pentose phosphate pathway. Appl Microbiol Biotechnol 2017; 101:4201-4213. [PMID: 28224194 DOI: 10.1007/s00253-017-8187-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Revised: 02/06/2017] [Accepted: 02/08/2017] [Indexed: 12/11/2022]
Abstract
Upregulation of glycolysis and the pentose phosphate pathway (PPP) is a major characteristic of the metabolic reprogramming of cancer and provides cancer cells with energy and vital metabolites to support their rapid proliferation. Targeting glycolysis and the PPP has emerged as a promising antitumor therapeutic strategy. Marine natural products are attractive sources for anticancer therapeutics, as evidenced by the antitumor drug Yondelis. Mycoepoxydiene (MED) is a natural product isolated from a marine fungus that has shown promising inhibitory efficacy against HeLa cells in vitro. We used a proteomic approach with two-dimensional gel electrophoresis (2-DE) coupled with mass spectrometry to explore the cellular targets of MED and to unravel the molecular mechanisms underlying the antitumor activity of MED in HeLa cells. Our proteomic data showed that triosephosphate isomerase (TPI) and 6-phosphogluconolactonase (PGLS), which participate in glycolysis and the PPP, respectively, were significantly downregulated by MED treatment. Functional studies revealed that the expression levels of several other enzymes involved in glycolysis and the PPP, including hexokinase 2 (HK2), phosphofructokinase 1 (PFKM), aldolase A (ALDOA), enolase 1 (ENO1), lactate dehydrogenase A (LDHA), and glucose-6-phosphate dehydrogenase (G6PD), were also reduced in a dose-dependent manner. Moreover, the LDHA and G6PD enzymatic activities in HeLa cells were inhibited by MED, and overexpression of these downregulated enzymes rescued HeLa cells from the growth inhibition induced by MED. Our data suggest that MED suppresses HeLa cell growth by inhibiting glycolysis and the PPP, which provides a mechanistic basis for the development of new therapeutics against cervical cancer.
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Affiliation(s)
- Kehua Jin
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, China
- School of Basic Medicine Sciences, Hubei University of Science and Technology, Xianning, Hubei, China
| | - Li Li
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, China
| | - Xihuan Sun
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, China
| | - Qingyan Xu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, China
| | - Siyang Song
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, China
| | - Yuemao Shen
- School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong, China
| | - Xianming Deng
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, China.
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, China.
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Differential Site-Based Expression of Pentose Phosphate Pathway-Related Proteins among Breast Cancer Metastases. DISEASE MARKERS 2017; 2017:7062517. [PMID: 28260828 PMCID: PMC5312075 DOI: 10.1155/2017/7062517] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 12/22/2016] [Accepted: 01/15/2017] [Indexed: 12/13/2022]
Abstract
Purpose. We aimed to investigate the expression of pentose phosphate pathway- (PPP-) related proteins in metastatic breast cancer and its relationship with clinicopathologic factors. Methods. Tissue samples from 126 metastatic breast cancers were included in a tissue microarray. Expression of PPP-related proteins [glucose-6-phosphate dehydrogenase (G6PDH), 6-phosphogluconolactonase (6PGL), 6-phosphogluconate dehydrogenase (6PGDH), and nuclear factor erythroid 2-related factor (NRF2)] was determined by immunohistochemistry. Results. G6PDH (p = 0.011) and cytoplasmic NRF2 (p = 0.001) showed the highest expression in brain metastases. Human epidermal growth factor receptor (HER-2) positivity was associated with G6PDH (p < 0.001) and cytoplasmic NRF2 (p = 0.015) positivity. A high Ki-67 labeling index (LI) was correlated with nuclear NRF2 positivity (p = 0.037), and HER-2-positive luminal B type was associated with G6PDH positivity (p = 0.001). On multivariate Cox analysis, independent risk factors of short overall survival were 6PGL positivity in bone metastasis (HR 4.180, 95% CI 1.160–15.06, p = 0.029) and low Ki-67 LI in lung metastasis (HR 11.853, 95% CI 1.841–76.30, p = 0.009). Conclusion. Differential expression of PPP-related proteins correlated with different prognoses and metastatic sites, with the highest expression in brain metastases, and could be a potential therapeutic target.
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