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Houssou Hounye A, Wan M, Wang Z, Qi M, Zhang J, Hou M. Comprehensive analysis of the expression and prognosis for GPXs in cutaneous melanoma using bioinformatics analysis. Biomed Signal Process Control 2022. [DOI: 10.1016/j.bspc.2022.103804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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202
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Koju N, Qin ZH, Sheng R. Reduced nicotinamide adenine dinucleotide phosphate in redox balance and diseases: a friend or foe? Acta Pharmacol Sin 2022; 43:1889-1904. [PMID: 35017669 PMCID: PMC9343382 DOI: 10.1038/s41401-021-00838-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 12/03/2021] [Accepted: 12/03/2021] [Indexed: 12/20/2022] Open
Abstract
The nicotinamide adenine dinucleotide (NAD+/NADH) and nicotinamide adenine dinucleotide phosphate (NADP+/NADPH) redox couples function as cofactors or/and substrates for numerous enzymes to retain cellular redox balance and energy metabolism. Thus, maintaining cellular NADH and NADPH balance is critical for sustaining cellular homeostasis. The sources of NADPH generation might determine its biological effects. Newly-recognized biosynthetic enzymes and genetically encoded biosensors help us better understand how cells maintain biosynthesis and distribution of compartmentalized NAD(H) and NADP(H) pools. It is essential but challenging to distinguish how cells sustain redox couple pools to perform their integral functions and escape redox stress. However, it is still obscure whether NADPH is detrimental or beneficial as either deficiency or excess in cellular NADPH levels disturbs cellular redox state and metabolic homeostasis leading to redox stress, energy stress, and eventually, to the disease state. Additional study of the pathways and regulatory mechanisms of NADPH generation in different compartments, and the means by which NADPH plays a role in various diseases, will provide innovative insights into its roles in human health and may find a value of NADPH for the treatment of certain diseases including aging, Alzheimer's disease, Parkinson's disease, cardiovascular diseases, ischemic stroke, diabetes, obesity, cancer, etc.
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Affiliation(s)
- Nirmala Koju
- grid.263761.70000 0001 0198 0694Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123 China
| | - Zheng-hong Qin
- grid.263761.70000 0001 0198 0694Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123 China
| | - Rui Sheng
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China.
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203
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Ren Q, Yi C, Pan J, Sun X, Huang X. Smart Fe 3O 4@ZnO Core-Shell Nanophotosensitizers Potential for Combined Chemo and Photodynamic Skin Cancer Therapy Controlled by UVA Radiation. Int J Nanomedicine 2022; 17:3385-3400. [PMID: 35937080 PMCID: PMC9355344 DOI: 10.2147/ijn.s372377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 07/11/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Photodynamic therapy (PDT) is a non-invasive therapeutic modality that is used for several types of cancer and involves three essential elements (light, photosensitizer (PS), and oxygen). However, clinical PS is limited by the low yield of reactive oxygen species (ROS) and a long retention time. Therefore, developing a low-cost PS that can significantly increase ROS yield in a short time is of utmost importance. Methods In this study, brusatol (Bru) was loaded on the surface of ultraviolet A (UVA)-responsive zinc oxide (ZnO)-coated magnetic nanoparticles (Fe3O4@ZnO-Bru). The PS was well characterized by transmission electron microscopy (TEM), Fourier Transform infrared spectroscopy (FTIR), a superconducting quantum interference device, and dynamic light scattering (DLS). 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) and Hoechst staining were used to determine the inhibitory effect of Fe3O4@ZnO-Bru on squamous cell carcinoma cells (SCC) with or without UVA radiation. Intracellular ROS levels and expression of the Nrf2 signaling pathway were also determined. Results FTIR showed that Bru was successfully loaded on Fe3O4@ZnO. Fe3O4@ZnO-Bru was superparamagnetic, and the zeta potential was 8.86 ± 0.77 mV. The Bru release behavior was controlled by UVA. Fe3O4@ZnO-Bru with UVA irradiation induced an increase of 48% ROS productivity compared to Fe3O4@ZnO-Bru without UVA irradiation, resulting in a strong inhibitory effect on SCC. Furthermore, Fe3O4@ZnO-Bru nanocomposites (Fe3O4@ZnO-Bru NCs) had nearly no toxic effect on healthy cells without UVA radiation. The released Bru could significantly inhibit the Nrf2 signaling pathway to reduce the activity of scavenging excess ROS in SCC. Conclusion In this study, Fe3O4@ZnO-Bru was successfully synthesized. PDT was combined with photochemotherapy, which exhibited a higher inhibitory effect on SCC. It can be inferred that Fe3O4@ZnO-Bru holds great potential for skin SCC therapy.
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Affiliation(s)
- Qian Ren
- Key Laboratory for Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People’s Republic of China
| | - Caixia Yi
- School of Sports and Health Science, Tongren University, Tongren, People’s Republic of China
| | - Jun Pan
- Key Laboratory for Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People’s Republic of China
| | - Xin Sun
- School of Sports and Health Science, Tongren University, Tongren, People’s Republic of China
| | - Xiao Huang
- School of Sports and Health Science, Tongren University, Tongren, People’s Republic of China
- School of Physical Education, Guangxi University of Science and Technology, Guangxi, People’s Republic of China
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204
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Lee JH, Lee EJ, Park JW, Kim M, Jung KH, Cho YS, Lee KH. CD133 increases oxidative glucose metabolism of HT29 cancer cells by mitochondrial uncoupling and its inhibition enhances reactive oxygen species-inducing therapy. Nucl Med Commun 2022; 43:937-944. [PMID: 35603420 DOI: 10.1097/mnm.0000000000001587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE A better understanding of the metabolic phenotype of stem-like cancer cells could provide targets to help overcome chemoresistance. In this study, we hypothesized that colon cancer cells with the stem cell feature of CD133 expression have increased proton leakage that influences glucose metabolism and offers protection against reactive oxygen species (ROS)-inducing treatment. METHODS AND RESULTS In HT29 colon cancer cells, 18 F-fluorodeoxyglucose (FDG) uptake was increased by CD133 selection and decreased by CD133 silencing. In CD133(+) cells, greater 18 F-FDG uptake was accompanied by increased oxygen consumption rate (OCR) and reduced mitochondrial membrane potential and mitochondrial ROS, indicating increased proton leakage. The uncoupling protein inhibitor genipin reversed the increased 18 F-FDG uptake and greater OCR of CD133(+) cells. The ROS-inducing drug, piperlongumine, suppressed CD133(-) cell survival by stimulating mitochondrial ROS generation but was unable to influence CD133(+) cells when used alone. However, cotreatment of CD133(+) cells with genipin and piperlongumine efficiently stimulated mitochondrial ROS for an enhanced antitumor effect with substantially reduced CD133 expression. CONCLUSION These results demonstrate that mitochondrial uncoupling is a metabolic feature of CD133(+) colon cancer cells that provides protection against piperlongumine therapy by suppressing mitochondrial ROS generation. Hence, combining genipin with ROS-inducing treatment may be an effective strategy to reverse the metabolic feature and eliminate stem-like colon cancer cells.
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Affiliation(s)
- Jin Hee Lee
- Department of Nuclear Medicine, Samsung Medical Center
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University School of Medicine, Seoul
| | - Eun Ji Lee
- Department of Nuclear Medicine, Samsung Medical Center
| | - Jin Won Park
- Scripps Korea Antibody Institute, Chuncheon-si, South Korea
| | - Mina Kim
- Department of Nuclear Medicine, Samsung Medical Center
| | - Kyung-Ho Jung
- Department of Nuclear Medicine, Samsung Medical Center
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University School of Medicine, Seoul
| | | | - Kyung-Han Lee
- Department of Nuclear Medicine, Samsung Medical Center
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University School of Medicine, Seoul
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205
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Zhang Y, Xu Y, Lu W, Li J, Yu S, Brown EJ, Stanger BZ, Rabinowitz JD, Yang X. G6PD-mediated increase in de novo NADP + biosynthesis promotes antioxidant defense and tumor metastasis. SCIENCE ADVANCES 2022; 8:eabo0404. [PMID: 35857842 PMCID: PMC9299539 DOI: 10.1126/sciadv.abo0404] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 06/03/2022] [Indexed: 05/11/2023]
Abstract
Metastasizing cancer cells are able to withstand high levels of oxidative stress through mechanisms that are poorly understood. Here, we show that under various oxidative stress conditions, pancreatic cancer cells markedly expand NADPH and NADP+ pools. This expansion is due to up-regulation of glucose-6-phosphate dehydrogenase (G6PD), which stimulates the cytoplasmic nicotinamide adenine dinucleotide kinase (NADK1) to produce NADP+ while converting NADP+ to NADPH. G6PD is activated by the transcription factor TAp73, which is, in turn, regulated by two pathways. Nuclear factor-erythroid 2 p45-related factor-2 suppresses expression of the ubiquitin ligase PIRH2, stabilizing the TAp73 protein. Checkpoint kinases 1/2 and E2F1 induce expression of the TAp73 gene. Levels of G6PD and its upstream activators are elevated in metastatic pancreatic cancer. Knocking down G6PD impedes pancreatic cancer metastasis, whereas forced G6PD expression promotes it. These findings reveal an intracellular network that maintains redox homeostasis through G6PD-mediated increase in de novo NADP+ biosynthesis, which may be co-opted by tumor cells to enable metastasis.
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Affiliation(s)
- Yang Zhang
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yi Xu
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Wenyun Lu
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08540, USA
- Department of Chemistry, Princeton University, Princeton, NJ 08540, USA
| | - Jinyang Li
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Sixiang Yu
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Eric J. Brown
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ben Z. Stanger
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Joshua D. Rabinowitz
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08540, USA
- Department of Chemistry, Princeton University, Princeton, NJ 08540, USA
| | - Xiaolu Yang
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
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Smith ALM, Whitehall JC, Greaves LC. Mitochondrial
DNA
mutations in aging and cancer. Mol Oncol 2022; 16:3276-3294. [PMID: 35842901 PMCID: PMC9490137 DOI: 10.1002/1878-0261.13291] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/18/2022] [Accepted: 07/15/2022] [Indexed: 11/09/2022] Open
Abstract
Advancing age is a major risk factor for malignant transformation and the development of cancer. As such, over 50% of neoplasms occur in individuals over the age of 70. The pathologies of both ageing and cancer have been characterized by respective groups of molecular hallmarks, and while some features are divergent between the two pathologies, several are shared. Perturbed mitochondrial function is one such common hallmark, and this observation therefore suggests that mitochondrial alterations may be of significance in age‐related cancer development. There is now considerable evidence documenting the accumulation of somatic mitochondrial DNA (mtDNA) mutations in ageing human postmitotic and replicative tissues. Similarly, mutations of the mitochondrial genome have been reported in human cancers for decades. The plethora of functions in which mitochondria partake, such as oxidative phosphorylation, redox balance, apoptosis and numerous biosynthetic pathways, manifests a variety of ways in which alterations in mtDNA may contribute to tumour growth. However, the specific mechanisms by which mtDNA mutations contribute to tumour progression remain elusive and often contradictory. This review aims to consolidate current knowledge and describe future direction within the field.
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Affiliation(s)
- Anna LM Smith
- Wellcome Centre for Mitochondrial Research, Biosciences Institute Newcastle University Newcastle Upon Tyne NE2 4HH UK
| | - Julia C Whitehall
- Wellcome Centre for Mitochondrial Research, Biosciences Institute Newcastle University Newcastle Upon Tyne NE2 4HH UK
| | - Laura C Greaves
- Wellcome Centre for Mitochondrial Research, Biosciences Institute Newcastle University Newcastle Upon Tyne NE2 4HH UK
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207
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Falletta P, Goding CR, Vivas-García Y. Connecting Metabolic Rewiring With Phenotype Switching in Melanoma. Front Cell Dev Biol 2022; 10:930250. [PMID: 35912100 PMCID: PMC9334657 DOI: 10.3389/fcell.2022.930250] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/24/2022] [Indexed: 11/13/2022] Open
Abstract
Melanoma is a complex and aggressive cancer type that contains different cell subpopulations displaying distinct phenotypes within the same tumor. Metabolic reprogramming, a hallmark of cell transformation, is essential for melanoma cells to adopt different phenotypic states necessary for adaptation to changes arising from a dynamic milieu and oncogenic mutations. Increasing evidence demonstrates how melanoma cells can exhibit distinct metabolic profiles depending on their specific phenotype, allowing adaptation to hostile microenvironmental conditions, such as hypoxia or nutrient depletion. For instance, increased glucose consumption and lipid anabolism are associated with proliferation, while a dependency on exogenous fatty acids and an oxidative state are linked to invasion and metastatic dissemination. How these different metabolic dependencies are integrated with specific cell phenotypes is poorly understood and little is known about metabolic changes underpinning melanoma metastasis. Recent evidence suggests that metabolic rewiring engaging transitions to invasion and metastatic progression may be dependent on several factors, such as specific oncogenic programs or lineage-restricted mechanisms controlling cell metabolism, intra-tumor microenvironmental cues and anatomical location of metastasis. In this review we highlight how the main molecular events supporting melanoma metabolic rewiring and phenotype-switching are parallel and interconnected events that dictate tumor progression and metastatic dissemination through interplay with the tumor microenvironment.
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Affiliation(s)
- Paola Falletta
- Vita-Salute San Raffaele University, Milan, Italy
- Experimental Imaging Center, IRCCS Ospedale San Raffaele, Milan, Italy
- *Correspondence: Paola Falletta, ; Colin R. Goding, ; Yurena Vivas-García, ,
| | - Colin R. Goding
- Nuffield Department of Clinical Medicine, Ludwig Cancer Research, University of Oxford, Oxford, United Kingdom
- *Correspondence: Paola Falletta, ; Colin R. Goding, ; Yurena Vivas-García, ,
| | - Yurena Vivas-García
- Nuffield Department of Clinical Medicine, Ludwig Cancer Research, University of Oxford, Oxford, United Kingdom
- *Correspondence: Paola Falletta, ; Colin R. Goding, ; Yurena Vivas-García, ,
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208
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Meng Q, Lu YX, Wei C, Wang ZX, Lin JF, Liao K, Luo XJ, Yu K, Han Y, Li JJ, Tan YT, Li H, Zeng ZL, Li B, Xu RH, Ju HQ. Arginine methylation of MTHFD1 by PRMT5 enhances anoikis resistance and cancer metastasis. Oncogene 2022; 41:3912-3924. [PMID: 35798877 DOI: 10.1038/s41388-022-02387-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 11/09/2022]
Abstract
Metastasis accounts for the major cause of cancer-related mortality. How disseminated tumor cells survive under suspension conditions and avoid anoikis is largely unknown. Here, using a metabolic enzyme-centered CRISPR-Cas9 genetic screen, we identified methylenetetrahydrofolate dehydrogenase, cyclohydrolase and formyltetrahydrofolate synthetase 1 (MTHFD1) as a novel suppressor of anoikis. MTHFD1 depletion obviously restrained the capacity of cellular antioxidant defense and inhibited tumor distant metastasis. Mechanistically, MTHFD1 was found to bind the protein arginine methyltransferase 5 (PRMT5) and then undergo symmetric dimethylation on R173 by PRMT5. Under suspension conditions, the interaction between MTHFD1 and PRMT5 was strengthened, which increased the symmetric dimethylation of MTHFD1. The elevated methylation of MTHFD1 largely augmented its metabolic activity to generate NADPH, therefore leading to anoikis resistance and distant organ metastasis. Therapeutically, genetic depletion or pharmacological inhibition of PRMT5 declined tumor distant metastasis. And R173 symmetric dimethylation status was associated with metastasis and prognosis of ESCC patients. In conclusion, our study uncovered a novel regulatory role and therapeutic implications of PRMT5/MTHFD1 axis in facilitating anoikis resistance and cancer metastasis.
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Affiliation(s)
- Qi Meng
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Yun-Xin Lu
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Chen Wei
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Zi-Xian Wang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Jin-Fei Lin
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Kun Liao
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Department of Biochemistry and Molecular Biology, Zhongshan School of Medicine, Sun Yat-Sen University, 510080, Guangzhou, PR China
| | - Xiao-Jing Luo
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Kai Yu
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Yi Han
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Jia-Jun Li
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Yue-Tao Tan
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Hao Li
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China
| | - Zhao-Lei Zeng
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China.,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China
| | - Bo Li
- Department of Biochemistry and Molecular Biology, Zhongshan School of Medicine, Sun Yat-Sen University, 510080, Guangzhou, PR China
| | - Rui-Hua Xu
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China. .,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China.
| | - Huai-Qiang Ju
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, PR China. .,Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, 510060, Guangzhou, PR China.
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209
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Klyushova LS, Kandalintseva NV, Grishanova AY. Antioxidant Activity of New Sulphur- and Selenium-Containing Analogues of Potassium Phenosan against H 2O 2-Induced Cytotoxicity in Tumour Cells. Curr Issues Mol Biol 2022; 44:3131-3145. [PMID: 35877440 PMCID: PMC9317250 DOI: 10.3390/cimb44070216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/05/2022] [Accepted: 07/06/2022] [Indexed: 11/16/2022] Open
Abstract
Among known phenolic antioxidants, the overwhelming majority of compounds have lipophilic properties and the number of known water-soluble compounds is very small. The list of hydrophilic phenolic antioxidants can be expanded via the synthesis of a structurally related series of polyfunctional compounds for further research on their biological activity in vitro. New sulphur- and selenium-containing analogues of antioxidant potassium phenosan were synthesised. In vitro cytotoxicity and cytostaticity as well as antioxidant activity against H2O2-induced cytotoxicity to human cell lines (HepG2, Hep-2 and MCF-7) were investigated by high-content analysis. A selenium-containing analogue showed higher biological activity than did a sulphur-containing one. As compared to the activity of potassium phenosan, the selenium-containing analogue had a cell line-dependent antioxidant effect against H2O2-induced cytotoxicity: comparable in HepG2 cells and greater in Hep-2 cells. The selenium-containing analogue significantly increased the death of MCF-7 cells at concentrations above 50 µM. The sulphur-containing analogue has lower biological activity as compared to potassium phenosan and the selenium-containing analogue.
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Affiliation(s)
- Lyubov S. Klyushova
- Institute of Molecular Biology and Biophysics, Federal Research Center of Fundamental and Translational Medicine, 2/12 Timakova Str., 630060 Novosibirsk, Russia;
| | - Natalya V. Kandalintseva
- Department of Chemistry, Novosibirsk State Pedagogical University, 28 Vilyuyskaya Str., 630126 Novosibirsk, Russia;
| | - Alevtina Y. Grishanova
- Institute of Molecular Biology and Biophysics, Federal Research Center of Fundamental and Translational Medicine, 2/12 Timakova Str., 630060 Novosibirsk, Russia;
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210
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Kim YS, Tang PW, Welles JE, Pan W, Javed Z, Elhaw AT, Mythreye K, Kimball SR, Hempel N. HuR-dependent SOD2 protein synthesis is an early adaptation to anchorage-independence. Redox Biol 2022; 53:102329. [PMID: 35594792 PMCID: PMC9121325 DOI: 10.1016/j.redox.2022.102329] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/18/2022] [Accepted: 05/02/2022] [Indexed: 11/16/2022] Open
Abstract
During metastasis cancer cells must adapt to survive loss of anchorage and evade anoikis. An important pro-survival adaptation is the ability of metastatic tumor cells to increase their antioxidant capacity and restore cellular redox balance. Although much is known about the transcriptional regulation of antioxidant enzymes in response to stress, how cells acutely adapt to alter antioxidant enzyme levels is less well understood. Using ovarian cancer cells as a model, we demonstrate that an increase in mitochondrial superoxide dismutase SOD2 protein expression is a very early event initiated in response to detachment, an important step during metastasis that has been associated with increased oxidative stress. SOD2 protein synthesis is rapidly induced within 0.5-2 h of matrix detachment, and polyribosome profiling demonstrates an increase in the number of ribosomes bound to SOD2 mRNA, indicating an increase in SOD2 mRNA translation in response to anchorage-independence. Mechanistically, we find that anchorage-independence induces cytosolic accumulation of the RNA binding protein HuR/ELAVL1 and promotes HuR binding to SOD2 mRNA. Using HuR siRNA-mediated knockdown, we show that the presence of HuR is necessary for the increase in SOD2 mRNA association with the heavy polyribosome fraction and consequent nascent SOD2 protein synthesis in anchorage-independence. Cellular detachment also activates the stress-response mitogen-activated kinase p38, which is necessary for HuR-SOD2 mRNA interactions and induction of SOD2 protein output. These findings illustrate a novel translational regulatory mechanism of SOD2 by which ovarian cancer cells rapidly increase their mitochondrial antioxidant capacity as an acute stress response to anchorage-independence.
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Affiliation(s)
- Yeon Soo Kim
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Priscilla W Tang
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA; Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA
| | - Jaclyn E Welles
- Department of Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Weihua Pan
- Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA
| | - Zaineb Javed
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA; Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA
| | - Amal Taher Elhaw
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA; Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA
| | - Karthikeyan Mythreye
- Department of Pathology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Scot R Kimball
- Department of Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Nadine Hempel
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA; Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA.
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Selenium and tellurium in the development of novel small molecules and nanoparticles as cancer multidrug resistance reversal agents. Drug Resist Updat 2022; 63:100844. [DOI: 10.1016/j.drup.2022.100844] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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212
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Delaunay S, Pascual G, Feng B, Klann K, Behm M, Hotz-Wagenblatt A, Richter K, Zaoui K, Herpel E, Münch C, Dietmann S, Hess J, Benitah SA, Frye M. Mitochondrial RNA modifications shape metabolic plasticity in metastasis. Nature 2022; 607:593-603. [PMID: 35768510 PMCID: PMC9300468 DOI: 10.1038/s41586-022-04898-5] [Citation(s) in RCA: 121] [Impact Index Per Article: 60.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 05/24/2022] [Indexed: 12/13/2022]
Abstract
Aggressive and metastatic cancers show enhanced metabolic plasticity1, but the precise underlying mechanisms of this remain unclear. Here we show how two NOP2/Sun RNA methyltransferase 3 (NSUN3)-dependent RNA modifications—5-methylcytosine (m5C) and its derivative 5-formylcytosine (f5C) (refs.2–4)—drive the translation of mitochondrial mRNA to power metastasis. Translation of mitochondrially encoded subunits of the oxidative phosphorylation complex depends on the formation of m5C at position 34 in mitochondrial tRNAMet. m5C-deficient human oral cancer cells exhibit increased levels of glycolysis and changes in their mitochondrial function that do not affect cell viability or primary tumour growth in vivo; however, metabolic plasticity is severely impaired as mitochondrial m5C-deficient tumours do not metastasize efficiently. We discovered that CD36-dependent non-dividing, metastasis-initiating tumour cells require mitochondrial m5C to activate invasion and dissemination. Moreover, a mitochondria-driven gene signature in patients with head and neck cancer is predictive for metastasis and disease progression. Finally, we confirm that this metabolic switch that allows the metastasis of tumour cells can be pharmacologically targeted through the inhibition of mitochondrial mRNA translation in vivo. Together, our results reveal that site-specific mitochondrial RNA modifications could be therapeutic targets to combat metastasis.
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Affiliation(s)
- Sylvain Delaunay
- German Cancer Research Center - Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - Gloria Pascual
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Bohai Feng
- Department of Otolaryngology, Head and Neck Surgery, University Hospital Heidelberg, Heidelberg, Germany.,Department of Otorhinolaryngology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Kevin Klann
- Institute of Biochemistry II, University Hospital, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Mikaela Behm
- German Cancer Research Center - Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - Agnes Hotz-Wagenblatt
- German Cancer Research Center - Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - Karsten Richter
- German Cancer Research Center - Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - Karim Zaoui
- Department of Otolaryngology, Head and Neck Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Esther Herpel
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,NCT Tissue Bank, National Center for Tumor Diseases (NCT), Heidelberg, Germany
| | - Christian Münch
- Institute of Biochemistry II, University Hospital, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Sabine Dietmann
- Washington University School of Medicine in St. Louis, St. Louis, MO, USA
| | - Jochen Hess
- German Cancer Research Center - Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany.,Department of Otolaryngology, Head and Neck Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Salvador Aznar Benitah
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.,Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Michaela Frye
- German Cancer Research Center - Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany.
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213
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Liu X, Zhang Y, Wu X, Xu F, Ma H, Wu M, Xia Y. Targeting Ferroptosis Pathway to Combat Therapy Resistance and Metastasis of Cancer. Front Pharmacol 2022; 13:909821. [PMID: 35847022 PMCID: PMC9280276 DOI: 10.3389/fphar.2022.909821] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/20/2022] [Indexed: 01/18/2023] Open
Abstract
Ferroptosis is an iron-dependent regulated form of cell death caused by excessive lipid peroxidation. This form of cell death differed from known forms of cell death in morphological and biochemical features such as apoptosis, necrosis, and autophagy. Cancer cells require higher levels of iron to survive, which makes them highly susceptible to ferroptosis. Therefore, it was found to be closely related to the progression, treatment response, and metastasis of various cancer types. Numerous studies have found that the ferroptosis pathway is closely related to drug resistance and metastasis of cancer. Some cancer cells reduce their susceptibility to ferroptosis by downregulating the ferroptosis pathway, resulting in resistance to anticancer therapy. Induction of ferroptosis restores the sensitivity of drug-resistant cancer cells to standard treatments. Cancer cells that are resistant to conventional therapies or have a high propensity to metastasize might be particularly susceptible to ferroptosis. Some biological processes and cellular components, such as epithelial–mesenchymal transition (EMT) and noncoding RNAs, can influence cancer metastasis by regulating ferroptosis. Therefore, targeting ferroptosis may help suppress cancer metastasis. Those progresses revealed the importance of ferroptosis in cancer, In order to provide the detailed molecular mechanisms of ferroptosis in regulating therapy resistance and metastasis and strategies to overcome these barriers are not fully understood, we described the key molecular mechanisms of ferroptosis and its interaction with signaling pathways related to therapy resistance and metastasis. Furthermore, we summarized strategies for reversing resistance to targeted therapy, chemotherapy, radiotherapy, and immunotherapy and inhibiting cancer metastasis by modulating ferroptosis. Understanding the comprehensive regulatory mechanisms and signaling pathways of ferroptosis in cancer can provide new insights to enhance the efficacy of anticancer drugs, overcome drug resistance, and inhibit cancer metastasis.
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Affiliation(s)
- Xuan Liu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Yiqian Zhang
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Xuyi Wu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
| | - Fuyan Xu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Hongbo Ma
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Mengling Wu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yong Xia
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
- *Correspondence: Yong Xia,
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214
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Pardo-Sánchez I, García-Moreno D, Mulero V. Zebrafish Models to Study the Crosstalk between Inflammation and NADPH Oxidase-Derived Oxidative Stress in Melanoma. Antioxidants (Basel) 2022; 11:1277. [PMID: 35883768 PMCID: PMC9311651 DOI: 10.3390/antiox11071277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 06/21/2022] [Accepted: 06/24/2022] [Indexed: 02/01/2023] Open
Abstract
Melanoma is the deadliest form of skin cancer, and its incidence continues to increase. In the early stages of melanoma, when the malignant cells have not spread to lymph nodes, they can be removed by simple surgery and there is usually low recurrence. Melanoma has a high mortality rate due to its ability to metastasize; once melanoma has spread, it becomes a major health complication. For these reasons, it is important to study how healthy melanocytes transform into melanoma cells, how they interact with the immune system, which mechanisms they use to escape immunosurveillance, and, finally, how they spread and colonize other tissues, metastasizing. Inflammation and oxidative stress play important roles in the development of several types of cancer, including melanoma, but it is not yet clear under which conditions they are beneficial or detrimental. Models capable of studying the relevance of inflammation and oxidative stress in the early steps of melanocyte transformation are urgently needed, as they are expected to help recognize premetastatic lesions in patients by improving both early detection and the development of new therapies.
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Affiliation(s)
- Irene Pardo-Sánchez
- Departamento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, 30100 Murcia, Spain;
- Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, 30120 Murcia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Diana García-Moreno
- Departamento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, 30100 Murcia, Spain;
- Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, 30120 Murcia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Victoriano Mulero
- Departamento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, 30100 Murcia, Spain;
- Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, 30120 Murcia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
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215
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Austin E, Huang A, Wang JY, Cohen M, Heilman E, Maverakis E, Michl J, Jagdeo J. Red Light Phototherapy Using Light-Emitting Diodes Inhibits Melanoma Proliferation and Alters Tumor Microenvironments. Front Oncol 2022; 12:928484. [PMID: 35847848 PMCID: PMC9278815 DOI: 10.3389/fonc.2022.928484] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 05/25/2022] [Indexed: 01/26/2023] Open
Abstract
Background Total annual cancer rates have decreased due to improved treatment and prevention. However, the incidence of melanoma is rising, and not all patients respond to immune and targeted approaches. Therefore, we sought to determine the efficacy of red light (RL) phototherapy in preclinical models of melanoma. Methods Melanoma cells (A375, B16F10, MNT-1) were irradiated with RL. Melanoma proliferation, apoptosis, oxidative stress, and p53 phosphorylation were measured in vitro. In C57BL/6 mice, phototherapy safety, B16F10 tumor growth, and immunocyte infiltration were assessed following RL. Results In vitro, 640 J/cm2 RL decreased cellular proliferation without increasing apoptosis, while 1280 J/cm2 increased apoptosis. RL increased intracellular reactive oxygen species generation and p53 phosphorylation. In animal models, 2560 J/cm2 RL significantly prevented melanoma growth and increased the expression of CD103+ dendritic cells. 1280 and 1920 J/cm2 RL decreased tumor volume, but not significantly. RL did not cause skin inflammation or erythema in normal skin. Conclusion RL represents a potentially safe and effective melanoma therapeutic. RL prevented tumor growth and increased the expression of immune markers, such as CD103, that are associated with favorable melanoma outcomes. Further research is needed to determine the optimal clinical treatment regimen for melanoma using RL.
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Affiliation(s)
- Evan Austin
- Department of Dermatology, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, United States,Department of Dermatology, University of California (UC) Davis Medical Center, Sacramento, CA, United States
| | - Alisen Huang
- Department of Dermatology, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, United States
| | - Jennifer Y. Wang
- Department of Dermatology, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, United States
| | - Marc Cohen
- Department of Dermatology, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, United States
| | - Edward Heilman
- Department of Dermatology, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, United States
| | - Emanual Maverakis
- Department of Dermatology, University of California (UC) Davis Medical Center, Sacramento, CA, United States
| | - Josef Michl
- Department of Pathology, SUNY Downstate Medical Center, Brooklyn, NY, United States
| | - Jared Jagdeo
- Department of Dermatology, State University of New York (SUNY) Downstate Medical Center, Brooklyn, NY, United States,Department of Dermatology, University of California (UC) Davis Medical Center, Sacramento, CA, United States,*Correspondence: Jared Jagdeo,
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216
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Du M, Yu T, Zhan Q, Li H, Zou Y, Geng M, Meng T, Xie Z. Development of a novel LDHA inhibitor with potent antitumor activity and immune activation. Cancer Sci 2022; 113:2974-2985. [PMID: 35722994 PMCID: PMC9459323 DOI: 10.1111/cas.15468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 06/02/2022] [Accepted: 06/10/2022] [Indexed: 11/28/2022] Open
Abstract
Lactate accumulation in the tumor microenvironment was shown to be closely related to tumor growth and immune escape, and suppression of lactate production by inhibiting lactate dehydrogenase A (LDHA) has been pursued as a potential novel antitumor strategy. However, only a few potent LDHA inhibitors have been developed and most of them did not show potent antitumor effects in vivo. To this end, we designed new LDHA inhibitors and obtained a novel potent LDHA inhibitor, ML‐05. ML‐05 inhibited cellular lactate production and tumor cell proliferation, which was associated with inhibition of ATP production and induction of reactive oxygen species and G1 phase arrest. In a mouse B16F10 melanoma model, intratumoral injection of ML‐05 significantly reduced lactate production, inhibited tumor growth, and released antitumor immune response of T cell subsets (Th1 and GMZB+CD8 T cells) in the tumor microenvironment. Moreover, ML‐05 treatment combined with programmed cell death‐1 Ab or stimulator of interferon genes protein (STING) could sensitize the antitumor activity in B16F10 melanoma model. Collectively, we developed a novel potent LDHA inhibitor, ML‐05, that elicited profound antitumor activity when injected locally, and was associated with the activation of antitumor immunity. In addition, ML‐05 could sensitize immunotherapies, which suggests great translational value.
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Affiliation(s)
- Mengyan Du
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai, 200031, China.,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Ting Yu
- Division of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Qinjinge Zhan
- Jiangxi Key Laboratory of Active Ingredients of Natural Drugs, Yichun University, Yichun, 336000, China
| | - Han Li
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yiping Zou
- Jiangxi Key Laboratory of Active Ingredients of Natural Drugs, Yichun University, Yichun, 336000, China
| | - Meiyu Geng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai, 200031, China.,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Tao Meng
- Division of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Zuoquan Xie
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
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217
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Liu X, Wang Y, Zheng Y, Duan D, Dai F, Zhou B. Michael acceptor-dependent pro-oxidative intervention against angiogenesis by [6]-dehydroshogaol, a pungent constituent of ginger. Eur J Pharmacol 2022; 925:174990. [PMID: 35500643 DOI: 10.1016/j.ejphar.2022.174990] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 04/23/2022] [Accepted: 04/26/2022] [Indexed: 11/30/2022]
Abstract
Accumulating evidence suggests that ginger and its pungent constituents harbor a wealth of biological activities including cancer chemopreventive activity. However, relatively few researches focus on [6]-dehydroshogaol (6-DHS) compared with other ginger pungent constituents such as [6]-shogaol (6S). In this work, we selected three ginger compounds, 6-DHS, 6S and [6]-paradol (6P) differentiated by the presence and number of the Michael acceptor units, to probe structural basis and mechanism of 6-DHS in inhibiting angiogenesis, a key step for tumor growth and metastasis. It was found that their antiangiogenic activity is significantly dependent on the presence and number of Michael acceptor units. Benefiting from its two Michael acceptor units, 6-DHS is the most potent inhibitor of thioredoxin reductase and depletor of glutathione, thereby being the most active generator of reactive oxygen species, which is responsible for its strongest ability to inhibit angiogenesis. This work highlights 6-DHS being a Michael acceptor-dependent pro-oxidative angiogenesis inhibitor.
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Affiliation(s)
- Xuefeng Liu
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China; School of Pharmacy, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Yihua Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Yalong Zheng
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Dechen Duan
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Fang Dai
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Bo Zhou
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China.
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218
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Chen B, Song Y, Zhan Y, Zhou S, Ke J, Ao W, Zhang Y, Liang Q, He M, Li S, Xie F, Huang H, Chan WN, Cheung AHK, Ma BBY, Kang W, To KF, Xiao J. Fangchinoline inhibits non-small cell lung cancer metastasis by reversing epithelial-mesenchymal transition and suppressing the cytosolic ROS-related Akt-mTOR signaling pathway. Cancer Lett 2022; 543:215783. [PMID: 35700820 DOI: 10.1016/j.canlet.2022.215783] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 05/31/2022] [Accepted: 06/06/2022] [Indexed: 11/28/2022]
Abstract
Few drugs alleviate non-small cell lung cancer (NSCLC) metastasis effectively. Small molecular screening demonstrated that fangchinoline (Fan) reversed epithelial-mesenchymal transition (EMT) in NSCLC cells, inhibiting cell invasion and migration. RNA sequencing (RNA-seq) of Fan-treated NSCLC cells revealed that Fan potently quenched the NADP+ metabolic process. Molecular docking analysis revealed that Fan directly and specifically targeted NOX4. NOX4 was associated with poor prognosis in NSCLC in both The Cancer Genome Atlas (TCGA) and Hong Kong cohorts. In mitochondrial DNA-depleted ρ0 NSCLC cells, Fan decreased cytosolic reactive oxygen species (ROS) to inhibit the Akt-mTOR signaling pathway by directly promoting NOX4 degradation. In TCGA and Hong Kong cohorts, NOX4 upregulation acted as a driver event as it positively correlated with metastasis and oxidative stress. Single-cell RNA-seq indicated that NOX4 was overexpressed, especially in cancer cells, cancer stem cells, and endothelial cells. In mice, Fan significantly impeded subcutaneous xenograft formation and reduced metastatic nodule numbers in mouse lung and liver. Drug sensitivity testing demonstrated that Fan suppressed patient-derived organoid growth dose-dependently. Fan is a potent small molecule for alleviating NSCLC metastasis by directly targeting NOX4 and is a potential novel therapeutic agent.
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Affiliation(s)
- Bonan Chen
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; Research Center of Integrative Medicine, School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, PR China
| | - Yue Song
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; Research Center of Integrative Medicine, School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China
| | - Yujuan Zhan
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; Research Center of Integrative Medicine, School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China
| | - Shikun Zhou
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; Research Center of Integrative Medicine, School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, 511442, PR China
| | - Junzi Ke
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; Research Center of Integrative Medicine, School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; iHuman Institute, School of Life Science and Technology, Shanghai Tech University, Shanghai, 201210, PR China
| | - Weizhen Ao
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; Research Center of Integrative Medicine, School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; iHuman Institute, School of Life Science and Technology, Shanghai Tech University, Shanghai, 201210, PR China
| | - Yigan Zhang
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, 730000, PR China
| | - Qiqi Liang
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China
| | - Minhui He
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China
| | - Shuhui Li
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China
| | - Fuda Xie
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China
| | - Haonan Huang
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China
| | - Wai Nok Chan
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, PR China
| | - Alvin H K Cheung
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, PR China
| | - Brigette B Y Ma
- State Key Laboratory of Translational Oncology, Sir YK Pao Centre for Cancer, Department of Clinical Oncology, Hong Kong Cancer Institute, The Chinese University of Hong Kong, Hong Kong SAR, PR China
| | - Wei Kang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, PR China
| | - Ka Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, PR China.
| | - Jianyong Xiao
- Department of Biochemistry, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China; Research Center of Integrative Medicine, School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006, PR China.
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219
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Antioxidant Therapy in Cancer: Rationale and Progress. Antioxidants (Basel) 2022; 11:antiox11061128. [PMID: 35740025 PMCID: PMC9220137 DOI: 10.3390/antiox11061128] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 05/31/2022] [Accepted: 06/06/2022] [Indexed: 02/05/2023] Open
Abstract
Cancer is characterized by increased oxidative stress, an imbalance between reactive oxygen species (ROS) and antioxidants. Enhanced ROS accumulation, as a result of metabolic disturbances and signaling aberrations, can promote carcinogenesis and malignant progression by inducing gene mutations and activating pro-oncogenic signaling, providing a possible rationale for targeting oxidative stress in cancer treatment. While numerous antioxidants have demonstrated therapeutic potential, their clinical efficacy in cancer remains unproven. Here, we review the rationale for, and recent advances in, pre-clinical and clinical research on antioxidant therapy in cancer, including targeting ROS with nonenzymatic antioxidants, such as NRF2 activators, vitamins, N-acetylcysteine and GSH esters, or targeting ROS with enzymatic antioxidants, such as NOX inhibitors and SOD mimics. In addition, we will offer insights into prospective therapeutic options for improving the effectiveness of antioxidant therapy, which may expand its applications in clinical cancer treatment.
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220
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Drapela S, Ilter D, Gomes AP. Metabolic reprogramming: a bridge between aging and tumorigenesis. Mol Oncol 2022; 16:3295-3318. [PMID: 35666002 PMCID: PMC9490145 DOI: 10.1002/1878-0261.13261] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/07/2022] [Accepted: 05/23/2022] [Indexed: 12/01/2022] Open
Abstract
Aging is the most robust risk factor for cancer development, with more than 60% of cancers occurring in those aged 60 and above. However, how aging and tumorigenesis are intertwined is poorly understood and a matter of significant debate. Metabolic changes are hallmarks of both aging and tumorigenesis. The deleterious consequences of aging include dysfunctional cellular processes, the build‐up of metabolic byproducts and waste molecules in circulation and within tissues, and stiffer connective tissues that impede blood flow and oxygenation. Collectively, these age‐driven changes lead to metabolic reprogramming in different cell types of a given tissue that significantly affects their cellular functions. Here, we put forward the idea that metabolic changes that happen during aging help create a favorable environment for tumorigenesis. We review parallels in metabolic changes that happen during aging and how these changes function both as adaptive mechanisms that enable the development of malignant phenotypes in a cell‐autonomous manner and as mechanisms that suppress immune surveillance, collectively creating the perfect environment for cancers to thrive. Hence, antiaging therapeutic strategies that target the metabolic reprogramming that occurs as we age might provide new opportunities to prevent cancer initiation and/or improve responses to standard‐of‐care anticancer therapies.
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Affiliation(s)
- Stanislav Drapela
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
| | - Didem Ilter
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
| | - Ana P Gomes
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
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221
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TXN inhibitor impedes radioresistance of colorectal cancer cells with decreased ALDH1L2 expression via TXN/NF-κB signaling pathway. Br J Cancer 2022; 127:637-648. [PMID: 35597868 PMCID: PMC9381770 DOI: 10.1038/s41416-022-01835-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 04/13/2022] [Accepted: 04/26/2022] [Indexed: 11/17/2022] Open
Abstract
Background Colorectal cancer (CRC) is prevalent worldwide and is often challenged by treatment failure and recurrence due to resistance to radiotherapy. Here, we aimed to identify the elusive underlying molecular mechanisms of radioresistance in CRC. Methods Weighted gene co-expression network analysis was used to identify potential radiation-related genes. Colony formation and comet assays and multi-target single-hit survival and xenograft animal models were used to validate the results obtained from the bioinformatic analysis. Immunohistochemistry was performed to examine the clinical characteristics of ALDH1L2. Co-immunoprecipitation, immunofluorescence and flow cytometry were used to understand the molecular mechanisms underlying radioresistance. Results Bioinformatic analysis, in vitro, and in vivo experiments revealed that ALDH1L2 is a radiation-related gene, and a decrease in its expression induces radioresistance in CRC cells by inhibiting ROS-mediated apoptosis. Patients with low ALDH1L2 expression exhibit resistance to radiotherapy. Mechanistically, ALDH1L2 interacts with thioredoxin (TXN) and regulates the downstream NF-κB signaling pathway. PX-12, the TXN inhibitor, overcomes radioresistance due to decreased ALDH1L2. Conclusions Our results provide valuable insights into the potential role of ALDH1L2 in CRC radiotherapy. We propose that the simultaneous application of TXN inhibitors and radiotherapy would significantly ameliorate the clinical outcomes of patients with CRC having low ALDH1L2. ![]()
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Nayak D, Weadick B, Persaud AK, Raj R, Shakya R, Li J, Campbell MJ, Govindarajan R. EMT alterations in the solute carrier landscape uncover SLC22A10/A15 imposed vulnerabilities in pancreatic cancer. iScience 2022; 25:104193. [PMID: 35479410 PMCID: PMC9036131 DOI: 10.1016/j.isci.2022.104193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 01/31/2022] [Accepted: 03/30/2022] [Indexed: 11/29/2022] Open
Abstract
The involvement of membrane-bound solute carriers (SLCs) in neoplastic transdifferentiation processes is poorly defined. Here, we examined changes in the SLC landscape during epithelial-mesenchymal transition (EMT) of pancreatic cancer cells. We show that two SLCs from the organic anion/cation transporter family, SLC22A10 and SLC22A15, favor EMT via interferon (IFN) α and γ signaling activation of receptor tyrosine kinase-like orphan receptor 1 (ROR1) expression. In addition, SLC22A10 and SLC22A15 allow tumor cell accumulation of glutathione to support EMT via the IFNα/γ-ROR1 axis. Moreover, a pan-SLC22A inhibitor lesinurad reduces EMT-induced metastasis and gemcitabine chemoresistance to prolong survival in mouse models of pancreatic cancer, thus identifying new vulnerabilities for human PDAC.
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Affiliation(s)
- Debasis Nayak
- Division of Pharmaceutics and Pharmacology, The Ohio State University College of Pharmacy, Columbus, OH 43210, USA
| | - Brenna Weadick
- Division of Pharmaceutics and Pharmacology, The Ohio State University College of Pharmacy, Columbus, OH 43210, USA
| | - Avinash K. Persaud
- Division of Pharmaceutics and Pharmacology, The Ohio State University College of Pharmacy, Columbus, OH 43210, USA
| | - Radhika Raj
- Division of Pharmaceutics and Pharmacology, The Ohio State University College of Pharmacy, Columbus, OH 43210, USA
| | - Reena Shakya
- Target Validation Shared Resource, The Ohio State University Comprehensive Cancer Center, Columbus, OH 43210, USA
| | - Junan Li
- The Ohio State University College of Pharmacy, Columbus, OH 43210, USA
| | - Moray J. Campbell
- Molecular Carcinogenesis and Chemoprevention Program, The Ohio State University Comprehensive Cancer Center, Columbus, OH 43210, USA
- Biomedical Informatics Shared Resource, The Ohio State University, Columbus, OH 43210, USA
| | - Rajgopal Govindarajan
- Division of Pharmaceutics and Pharmacology, The Ohio State University College of Pharmacy, Columbus, OH 43210, USA
- Translational Therapeutics, The Ohio State University Comprehensive Cancer Center, Columbus, OH 43210, USA
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Jovanović M, Podolski-Renić A, Krasavin M, Pešić M. The Role of the Thioredoxin Detoxification System in Cancer Progression and Resistance. Front Mol Biosci 2022; 9:883297. [PMID: 35664671 PMCID: PMC9161637 DOI: 10.3389/fmolb.2022.883297] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 04/22/2022] [Indexed: 12/20/2022] Open
Abstract
The intracellular redox homeostasis is a dynamic balancing system between the levels of free radical species and antioxidant enzymes and small molecules at the core of cellular defense mechanisms. The thioredoxin (Trx) system is an important detoxification system regulating the redox milieu. This system is one of the key regulators of cells’ proliferative potential as well, through the reduction of key proteins. Increased oxidative stress characterizes highly proliferative, metabolically hyperactive cancer cells, which are forced to mobilize antioxidant enzymes to balance the increase in free radical concentration and prevent irreversible damage and cell death. Components of the Trx system are involved in high-rate proliferation and activation of pro-survival mechanisms in cancer cells, particularly those facing increased oxidative stress. This review addresses the importance of the targetable redox-regulating Trx system in tumor progression, as well as in detoxification and protection of cancer cells from oxidative stress and drug-induced cytotoxicity. It also discusses the cancer cells’ counteracting mechanisms to the Trx system inhibition and presents several inhibitors of the Trx system as prospective candidates for cytostatics’ adjuvants. This manuscript further emphasizes the importance of developing novel multitarget therapies encompassing the Trx system inhibition to overcome cancer treatment limitations.
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Affiliation(s)
- Mirna Jovanović
- Department of Neurobiology, Institute for Biological Research “Siniša Stanković”- National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Ana Podolski-Renić
- Department of Neurobiology, Institute for Biological Research “Siniša Stanković”- National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Mikhail Krasavin
- Organic Chemistry Division, Institute of Chemistry, Saint Petersburg State University, Saint Petersburg, Russia
| | - Milica Pešić
- Department of Neurobiology, Institute for Biological Research “Siniša Stanković”- National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
- *Correspondence: Milica Pešić, , orcid.org/0000-0002-9045-8239
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Mitochondria preserve an autarkic one-carbon cycle to confer growth-independent cancer cell migration and metastasis. Nat Commun 2022; 13:2699. [PMID: 35577770 PMCID: PMC9110368 DOI: 10.1038/s41467-022-30363-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/22/2022] [Indexed: 02/07/2023] Open
Abstract
Metastasis is the most common cause of death in cancer patients. Canonical drugs target mainly the proliferative capacity of cancer cells, which leaves slow-proliferating, persistent cancer cells unaffected. Metabolic determinants that contribute to growth-independent functions are still poorly understood. Here we show that antifolate treatment results in an uncoupled and autarkic mitochondrial one-carbon (1C) metabolism during cytosolic 1C metabolism impairment. Interestingly, antifolate dependent growth-arrest does not correlate with decreased migration capacity. Therefore, using methotrexate as a tool compound allows us to disentangle proliferation and migration to profile the metabolic phenotype of migrating cells. We observe that increased serine de novo synthesis (SSP) supports mitochondrial serine catabolism and inhibition of SSP using the competitive PHGDH-inhibitor BI-4916 reduces cancer cell migration. Furthermore, we show that sole inhibition of mitochondrial serine catabolism does not affect primary breast tumor growth but strongly inhibits pulmonary metastasis. We conclude that mitochondrial 1C metabolism, despite being dispensable for proliferative capacities, confers an advantage to cancer cells by supporting their motility potential. Chemotherapeutic antifolates, such as methotrexate (MTX), impair cancer cell proliferation by inhibiting nucleotide synthesis. Here, the authors show that MTX sustains an autarkic mitochondrial one-carbon metabolism leading to serine synthesis to promote cancer cell migration and metastasis.
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Brunsdon H, Brombin A, Peterson S, Postlethwait JH, Patton EE. Aldh2 is a lineage-specific metabolic gatekeeper in melanocyte stem cells. Development 2022; 149:275182. [PMID: 35485397 PMCID: PMC9188749 DOI: 10.1242/dev.200277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 04/20/2022] [Indexed: 12/31/2022]
Abstract
Melanocyte stem cells (McSCs) in zebrafish serve as an on-demand source of melanocytes during growth and regeneration, but metabolic programs associated with their activation and regenerative processes are not well known. Here, using live imaging coupled with scRNA-sequencing, we discovered that, during regeneration, quiescent McSCs activate a dormant embryonic neural crest transcriptional program followed by an aldehyde dehydrogenase (Aldh) 2 metabolic switch to generate progeny. Unexpectedly, although ALDH2 is well known for its aldehyde-clearing mechanisms, we find that, in regenerating McSCs, Aldh2 activity is required to generate formate – the one-carbon (1C) building block for nucleotide biosynthesis – through formaldehyde metabolism. Consequently, we find that disrupting the 1C cycle with low doses of methotrexate causes melanocyte regeneration defects. In the absence of Aldh2, we find that purines are the metabolic end product sufficient for activated McSCs to generate progeny. Together, our work reveals McSCs undergo a two-step cell state transition during regeneration, and that the reaction products of Aldh2 enzymes have tissue-specific stem cell functions that meet metabolic demands in regeneration. Summary: In zebrafish melanocyte regeneration, quiescent McSCs respond by re-expressing a neural crest identity, followed by an Aldh2-dependent metabolic switch to generate progeny.
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Affiliation(s)
- Hannah Brunsdon
- MRC Human Genetics Unit, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK.,Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK
| | - Alessandro Brombin
- MRC Human Genetics Unit, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK.,Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK
| | - Samuel Peterson
- Institute of Neuroscience, University of Oregon, Eugene, OR 97403, USA
| | | | - E Elizabeth Patton
- MRC Human Genetics Unit, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK.,Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK
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Sedillo JC, Cryns VL. Targeting the methionine addiction of cancer. Am J Cancer Res 2022; 12:2249-2276. [PMID: 35693095 PMCID: PMC9185618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/14/2022] [Indexed: 06/15/2023] Open
Abstract
Methionine is the initiator amino acid for protein synthesis, the methyl source for most nucleotide, chromatin, and protein methylation, and the carbon backbone for various aspects of the cellular antioxidant response and nucleotide biosynthesis. Methionine is provided in the diet and serum methionine levels fluctuate based on dietary methionine content. Within the cell, methionine is recycled from homocysteine via the methionine cycle, which is linked to nutrient status via one-carbon metabolism. Unlike normal cells, many cancer cells, both in vitro and in vivo, show high methionine cycle activity and are dependent on exogenous methionine for continued growth. However, the molecular mechanisms underlying the methionine dependence of diverse malignancies are poorly understood. Methionine deprivation initiates widespread metabolic alterations in cancer cells that enable them to survive despite limited methionine availability, and these adaptive alterations can be specifically targeted to enhance the activity of methionine deprivation, a strategy we have termed "metabolic priming". Chemotherapy-resistant cell populations such as cancer stem cells, which drive treatment-resistance, are also sensitive to methionine deprivation, suggesting dietary methionine restriction may inhibit metastasis and recurrence. Several clinical trials in cancer are investigating methionine restriction in combination with other agents. This review will explore new insights into the mechanisms of methionine dependence in cancer and therapeutic efforts to translate these insights into enhanced clinical activity of methionine restriction in cancer.
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Affiliation(s)
- Joni C Sedillo
- Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health Madison, WI, USA
| | - Vincent L Cryns
- Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health Madison, WI, USA
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Sharma C, Hemler ME. Antioxidant and Anticancer Functions of Protein Acyltransferase DHHC3. Antioxidants (Basel) 2022; 11:antiox11050960. [PMID: 35624824 PMCID: PMC9137668 DOI: 10.3390/antiox11050960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/29/2022] [Accepted: 05/06/2022] [Indexed: 11/16/2022] Open
Abstract
Silencing of DHHC3, an acyltransferase enzyme in the DHHC family, extensively upregulates oxidative stress (OS). Substrates for DHHC3-mediated palmitoylation include several antioxidant proteins and many other redox regulatory proteins. This helps to explain why DHHC3 ablation upregulates OS. DHHC3 also plays a key role in cancer. DHHC3 ablation leads to diminished xenograft growth of multiple cancer cell types, along with diminished metastasis. Furthermore, DHHC3 protein is upregulated on malignant/metastatic cancer samples, and upregulated gene expression correlates with diminished patient survival in several human cancers. Decreased primary tumor growth due to DHHC3 ablation may be partly explained by an elevated OS → senescence → innate immune cell recruitment mechanism. Elevated OS due to DHHC3 ablation may also contribute to adaptive anticancer immunity and impair tumor metastasis. In addition, DHHC3 ablation disrupts antioxidant protection mechanisms, thus enhancing the efficacy of OS-inducing anticancer drugs. A major focus has thus far been on OS regulation by DHHC3. However, remaining to be studied are multiple DHHC3 substrates that may affect tumor behavior independent of OS. Nonetheless, the currently established properties of DHHC3 make it an attractive candidate for therapeutic targeting in situations in which antioxidant protections need to be downmodulated, and also in cancer.
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228
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Zhu L, Yang X, Feng J, Mao J, Zhang Q, He M, Mi Y, Mei Y, Jin G, Zhang H. CYP2E1 plays a suppressive role in hepatocellular carcinoma by regulating Wnt/Dvl2/β-catenin signaling. J Transl Med 2022; 20:194. [PMID: 35509083 PMCID: PMC9066941 DOI: 10.1186/s12967-022-03396-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/18/2022] [Indexed: 01/02/2023] Open
Abstract
Objective Knowledge of the role of CYP2E1 in hepatocarcinogenesis is largely based on epidemiological and animal studies, with a primary focus on the role of CYP2E1 in metabolic activation of procarcinogens. Few studies have directly assessed the effects of CYP2E1 on HCC malignant phenotypes. Methods The expression of CYP2E1 in HCC tissues was determined by qRT-PCR, western blotting and immunohistochemistry. Overexpression of CYP2E1 in HCC cell was achieved by lentivirus transfection. The function of CYP2E1 were detected by CCK-8, wound healing, transwell assays, xenograft models and pulmonary metastasis model. TOP/FOPFlash reporter assay, western blotting, functional rescue experiments, Co-immunoprecipitation and reactive oxygen species detection were conducted to reveal the underlying mechanism of the tumor suppressive role of CYP2E1. Results CYP2E1 expression is down-regulated in HCC tissues, and this downregulation was associated with large tumor diameter, vascular invasion, poor differentiation, and shortened patient survival time. Ectopic expression of CYP2E1 inhibits the proliferation, invasion and migration and epithelial-to-mesenchymal transition of HCC cells in vitro, and inhibits tumor formation and lung metastasis in nude mice. Mechanistic investigations show that CYP2E1 overexpression significantly inhibited Wnt/β-catenin signaling activity and decreased Dvl2 expression in HCC cells. An increase in Dvl2 expression restored the malignant phenotype of HCC cells. Notably, CYP2E1 promoted the ubiquitin-mediated degradation of Dvl2 by strengthening the interaction between Dvl2 and the E3 ubiquitin ligase KLHL12 in CYP2E1-stable HCC cells. CYP2E1-induced ROS accumulation was a critical upstream event in the Wnt/β-Catenin pathway in CYP2E1-overexpressing HCC cells. Conclusions These results provide novel insight into the role of CYP2E1 in HCC and the tumor suppressor role of CYP2E1 can be attributed to its ability to manipulate Wnt/Dvl2/β-catenin pathway via inducing ROS accumulation, which provides a potential target for the prevention and treatment of HCC. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12967-022-03396-6.
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Affiliation(s)
- Lili Zhu
- Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China
| | - Xiaobei Yang
- Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China
| | - Jingyu Feng
- Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China
| | - Jian Mao
- Zhengzhou Tobacco Research Institute of China National Tobacco Company, Zhengzhou, 450001, China
| | - Qidong Zhang
- Zhengzhou Tobacco Research Institute of China National Tobacco Company, Zhengzhou, 450001, China
| | - Mengru He
- Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China
| | - Yang Mi
- Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China
| | - Yingwu Mei
- Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China
| | - Ge Jin
- Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China
| | - Haifeng Zhang
- Department of Biochemistry & Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China.
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Dodokhova MA, Kotieva IM, Safronenko AV, Alkhusein-Kulyaginova MS, Sukhorukova NV, Kotieva VM, Kotieva ЕM, Shpakovsky DB, Nikitin EA, Milaeva ER. Effect of Hybrid Organotin Compound on Activity of LPO and Antioxidant Protection of the Liver Tissues in Animals with Melanoma B16. Bull Exp Biol Med 2022; 172:752-755. [PMID: 35501638 DOI: 10.1007/s10517-022-05471-w] [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: 11/09/2021] [Indexed: 10/18/2022]
Abstract
The central element of the "metastatic organotropism" is a shift of the pro/antioxidant balance in cells and activation of oxidative stress and protective antioxidant systems. We studied the effects of bis(3,5-di-tert-butyl-4-hydroxyphenylthiolate)dimethylol (Me-3) in the maximum effective and toxic total doses on the level of markers of oxidative stress and antioxidant protection in the liver of mice with melanoma B16 before the appearance of macroscopic metastases. In 48 h after tumor inoculation, Me-3 was administered intraperitoneally once a day for 5 days in total doses of 375 and 500 mg/kg according to the classical method. Administration of the hybrid organotin compound Me-3 produced different effects on the pro/antioxidant state of the microenvironment of liver tissue as the target of melanoma B16 metastasis. The results suggest that inversion of the anti/prooxidant profile of Me-3 is determined by its dose.
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Affiliation(s)
- M A Dodokhova
- Rostov State Medical University, Ministry of the Health of the Russian Federation, Rostov-on-Don, Russia.
| | - I M Kotieva
- Rostov State Medical University, Ministry of the Health of the Russian Federation, Rostov-on-Don, Russia
| | - A V Safronenko
- Rostov State Medical University, Ministry of the Health of the Russian Federation, Rostov-on-Don, Russia
| | - M S Alkhusein-Kulyaginova
- Rostov State Medical University, Ministry of the Health of the Russian Federation, Rostov-on-Don, Russia
| | - N V Sukhorukova
- Rostov State Medical University, Ministry of the Health of the Russian Federation, Rostov-on-Don, Russia
| | - V M Kotieva
- Rostov State Medical University, Ministry of the Health of the Russian Federation, Rostov-on-Don, Russia
| | - Е M Kotieva
- Rostov State Medical University, Ministry of the Health of the Russian Federation, Rostov-on-Don, Russia
| | - D B Shpakovsky
- Faculty of Chemistry, M. V. Lomonosov Moscow State University, Moscow, Russia
| | - E A Nikitin
- Faculty of Chemistry, M. V. Lomonosov Moscow State University, Moscow, Russia
| | - E R Milaeva
- Faculty of Chemistry, M. V. Lomonosov Moscow State University, Moscow, Russia
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230
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Wolowczyk C, Neckmann U, Aure MR, Hall M, Johannessen B, Zhao S, Skotheim RI, Andersen SB, Zwiggelaar R, Steigedal TS, Lingjærde OC, Sahlberg KK, Almaas E, Bjørkøy G. NRF2 drives an oxidative stress response predictive of breast cancer. Free Radic Biol Med 2022; 184:170-184. [PMID: 35381325 DOI: 10.1016/j.freeradbiomed.2022.03.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/29/2022] [Accepted: 03/30/2022] [Indexed: 12/12/2022]
Abstract
Many breast cancer patients are diagnosed with small, well-differentiated, hormone receptor-positive tumors. Risk of relapse is not easily identified in these patients, resulting in overtreatment. To identify metastasis-related gene expression patterns, we compared the transcriptomes of the non-metastatic 67NR and metastatic 66cl4 cell lines from the murine 4T1 mammary tumor model. The transcription factor nuclear factor, erythroid 2-like 2 (NRF2, encoded by NFE2L2) was constitutively activated in the metastatic cells and tumors, and correspondingly a subset of established NRF2-regulated genes was also upregulated. Depletion of NRF2 increased basal levels of reactive oxygen species (ROS) and severely reduced ability to form primary tumors and lung metastases. Consistently, a set of NRF2-controlled genes was elevated in breast cancer biopsies. Sixteen of these were combined into a gene expression signature that significantly improves the PAM50 ROR score, and is an independent, strong predictor of prognosis, even in hormone receptor-positive tumors.
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Affiliation(s)
- Camilla Wolowczyk
- Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway; Department of Biomedical Laboratory Science, Faculty of Natural Sciences, Norwegian University of Science and Technology, Trondheim, Norway; Clinic of Laboratory Medicine, St. Olavs Hospital, Trondheim, Norway.
| | - Ulrike Neckmann
- Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway; Department of Biomedical Laboratory Science, Faculty of Natural Sciences, Norwegian University of Science and Technology, Trondheim, Norway; Clinic of Laboratory Medicine, St. Olavs Hospital, Trondheim, Norway
| | - Miriam Ragle Aure
- Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway; Department of Medical Genetics, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Martina Hall
- Department of Biotechnology and Food Science, Faculty of Natural Sciences, Norwegian University of Science and Technology, Trondheim, Norway; K.G.Jebsen Center for Genetic Epidemiology, Department of Public Health and General Practice, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Norway
| | - Bjarne Johannessen
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital-Radiumhospitalet, Oslo, Norway; Norwegian Cancer Genomics Consortium, Oslo, Norway
| | - Sen Zhao
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital-Radiumhospitalet, Oslo, Norway; Norwegian Cancer Genomics Consortium, Oslo, Norway
| | - Rolf I Skotheim
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital-Radiumhospitalet, Oslo, Norway; Norwegian Cancer Genomics Consortium, Oslo, Norway
| | - Sonja B Andersen
- Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway; Department of Biomedical Laboratory Science, Faculty of Natural Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Rosalie Zwiggelaar
- Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Tonje S Steigedal
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | | | - Kristine Kleivi Sahlberg
- Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway; Department of Research, Vestre Viken Hospital Trust, Drammen, Norway
| | - Eivind Almaas
- Department of Biotechnology and Food Science, Faculty of Natural Sciences, Norwegian University of Science and Technology, Trondheim, Norway; K.G.Jebsen Center for Genetic Epidemiology, Department of Public Health and General Practice, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Norway
| | - Geir Bjørkøy
- Centre of Molecular Inflammation Research and Department of Cancer Research and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway; Department of Biomedical Laboratory Science, Faculty of Natural Sciences, Norwegian University of Science and Technology, Trondheim, Norway
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Abstract
Eukaryotic cells have developed complex systems to regulate the production and response to reactive oxygen species (ROS). Different ROS control diverse aspects of cell behaviour from signalling to death, and deregulation of ROS production and ROS limitation pathways are common features of cancer cells. ROS also function to modulate the tumour environment, affecting the various stromal cells that provide metabolic support, a blood supply and immune responses to the tumour. Although it is clear that ROS play important roles during tumorigenesis, it has been difficult to reliably predict the effect of ROS modulating therapies. We now understand that the responses to ROS are highly complex and dependent on multiple factors, including the types, levels, localization and persistence of ROS, as well as the origin, environment and stage of the tumours themselves. This increasing understanding of the complexity of ROS in malignancies will be key to unlocking the potential of ROS-targeting therapies for cancer treatment.
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Sadoughi F, Dana PM, Homayoonfal M, Sharifi M, Asemi Z. Molecular basis of melatonin protective effects in metastasis: A novel target of melatonin. Biochimie 2022; 202:15-25. [DOI: 10.1016/j.biochi.2022.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 05/19/2022] [Accepted: 05/19/2022] [Indexed: 11/16/2022]
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ALDH1L2 Knockout in U251 Glioblastoma Cells Reduces Tumor Sphere Formation by Increasing Oxidative Stress and Suppressing Methionine Dependency. Nutrients 2022; 14:nu14091887. [PMID: 35565854 PMCID: PMC9105572 DOI: 10.3390/nu14091887] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/19/2022] [Accepted: 04/26/2022] [Indexed: 12/04/2022] Open
Abstract
Previously, the in vitro growth of cancer stem cells in the form of tumor spheres from five different brain cancer cell lines was found to be methionine-dependent. As this earlier work indicated that ALDH1L2, a folate-dependent mitochondria aldehyde dehydrogenase gene, is upregulated in glioblastoma stem cells, we invalidated this gene using CRISPR-cas 9 technique in this present work. We reported here that this invalidation was effective in U251 glioblastoma cells, and no cas9 off target site could be detected by genome sequencing of the two independent knockout targeting either exon I or exon III. The knockout of ALDH1L2 gene in U251 cells rendered the growth of the cancer stem cells of U251 methionine independent. In addition, a much higher ROS (reactive oxygen radicals) level can be detected in the knockout cells compared to the wild type cells. Our evidence here linked the excessive ROS level of the knockout cells to reduced total cellular NADPH. Our evidence suggested also that the cause of the slower growth of the knockout turmor sphere may be related to its partial differentiation.
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Li H, Liu R, Li J, Li J, Wu H, Wang G, Li Z, Li D. Prognostic significance of gamma-glutamyl transpeptidase to albumin ratio in patients with intrahepatic cholangiocarcinoma after hepatectomy. J Cell Mol Med 2022; 26:3196-3202. [PMID: 35481993 PMCID: PMC9170822 DOI: 10.1111/jcmm.17321] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 03/13/2022] [Accepted: 03/30/2022] [Indexed: 02/05/2023] Open
Abstract
Inflammation has been reported to play an important role in tumour progression and prognosis. In this study, we evaluated the prognostic significance of γ-glutamyl transpeptidase (GGT) to albumin ratio (GAR) in patients with intrahepatic cholangiocarcinoma (ICC) after hepatectomy. We retrospectively analysed 650 ICC patients underwent hepatectomy at three Chinese medical centres between January 2009 and September 2017. Patients were classified into derivation cohort (n = 509) and validation cohort (n = 141). Receiver operating characteristic (ROC) curve was used to determine the optimal cut-off value for GAR. Survival curve and cox regression analysis were applied to assess the prognostic power of GAR. The prognostic accuracy of GAR was compared with other variables by ROC curve. The optimal cut-off value for GAR was 1.3655. Preoperative high GAR was closely related to tumour number, lymph node invasion and GGT. The survival curve of derivation and validation cohorts showed that patients in the high GAR group had significantly shorter overall survival (OS) and disease-free survival (DFS) than patients in the low GAR group. Multivariate analysis in the derivation cohort confirmed that GAR was an independent prognostic factor for survival outcomes. Moreover, the ROC curve revealed that GAR had better predictive accuracy than other variables. High GAR predicted poor OS and DFS in ICC patients after hepatectomy. GAR may be a novel, simple and effective prognostic marker for ICC patients.
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Affiliation(s)
- Hui Li
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Rongqiang Liu
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Jiawang Li
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Jiaxin Li
- Department of Liver Surgery & Liver Transplantation, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Wu
- Department of Liver Surgery & Liver Transplantation, West China Hospital, Sichuan University, Chengdu, China
| | - Genshu Wang
- Department of Hepatic Surgery and Liver Transplantation Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhenhua Li
- Department of Head and Neck Surgery, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
| | - Dewei Li
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China
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235
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Krstic J, Schindlmaier K, Prokesch A. Combination strategies to target metabolic flexibility in cancer. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2022; 373:159-197. [PMID: 36283766 DOI: 10.1016/bs.ircmb.2022.03.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Therapeutically interfering with metabolic pathways has great merit to curtail tumor growth because the demand for copious amounts of energy for growth-supporting biomass production is common to all cancer entities. A major impediment to a straight implementation of metabolic cancer therapy is the metabolic flexibility and plasticity of cancer cells (and their microenvironment) resulting in therapy resistance and evasion. Metabolic combination therapies, therefore, are promising as they are designed to target several energetic routes simultaneously and thereby diminish the availability of alternative substrates. Thus, dietary restrictions, specific nutrient limitations, and/or pharmacological interventions impinging on metabolic pathways can be combined to improve cancer treatment efficacy, to overcome therapy resistance, or even act as a preventive measure. Here, we review the most recent developments in metabolic combination therapies particularly highlighting in vivo reports of synergistic effects and available clinical data. We close with identifying the challenges of the field (metabolic tumor heterogeneity, immune cell interactions, inter-patient variabilities) and suggest a "metabo-typing" strategy to tailor evidence-based metabolic combination therapies to the energetic requirements of the tumors and the patient's nutritional habits and status.
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Affiliation(s)
- Jelena Krstic
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center for Cell Signaling, Metabolism & Aging, Medical University of Graz, Graz, Austria
| | - Katharina Schindlmaier
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Andreas Prokesch
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center for Cell Signaling, Metabolism & Aging, Medical University of Graz, Graz, Austria; BioTechMed-Graz, Graz, Austria.
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236
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Xing F, Hu Q, Qin Y, Xu J, Zhang B, Yu X, Wang W. The Relationship of Redox With Hallmarks of Cancer: The Importance of Homeostasis and Context. Front Oncol 2022; 12:862743. [PMID: 35530337 PMCID: PMC9072740 DOI: 10.3389/fonc.2022.862743] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 03/16/2022] [Indexed: 12/18/2022] Open
Abstract
Redox homeostasis is a lifelong pursuit of cancer cells. Depending on the context, reactive oxygen species (ROS) exert paradoxical effects on cancers; an appropriate concentration stimulates tumorigenesis and supports the progression of cancer cells, while an excessive concentration leads to cell death. The upregulated antioxidant system in cancer cells limits ROS to a tumor-promoting level. In cancers, redox regulation interacts with tumor initiation, proliferation, metastasis, programmed cell death, autophagy, metabolic reprogramming, the tumor microenvironment, therapies, and therapeutic resistance to facilitate cancer development. This review discusses redox control and the major hallmarks of cancer.
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Affiliation(s)
- Faliang Xing
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Qiangsheng Hu
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yi Qin
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Jin Xu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Bo Zhang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
- *Correspondence: Wei Wang, ; Xianjun Yu, ; Bo Zhang,
| | - Xianjun Yu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
- *Correspondence: Wei Wang, ; Xianjun Yu, ; Bo Zhang,
| | - Wei Wang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, Shanghai, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
- *Correspondence: Wei Wang, ; Xianjun Yu, ; Bo Zhang,
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237
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Risk Stratification and Clinical Characteristics of Patients with Late Recurrence of Melanoma (>10 Years). J Clin Med 2022; 11:jcm11072026. [PMID: 35407631 PMCID: PMC9000041 DOI: 10.3390/jcm11072026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/29/2022] [Accepted: 04/02/2022] [Indexed: 02/06/2023] Open
Abstract
Background: Most patients with high-risk melanomas develop metastasis within the first few years after diagnosis. However, late recurrence of melanoma is seen in patients that metastasize more than 10 years after the primary diagnosis; a metastasis after 15 years is considered an ultra-late recurrence. It is critical to better understand the clinical and biological characteristics of this subset of melanoma patients in order to offer an individual treatment plan and prevent metastasis. Methods: We retrospectively analyzed melanoma patients with recurrence ≥10 years after a primary diagnosis documented between 1993 and 2012 at the skin cancer center of the University Medical Center Leipzig, Germany. We conducted a comprehensive review of the literature and compared the results with our data. Available archived primary melanoma tissue was investigated with a seven-marker immunohistochemical signature (immunoprint®) previously validated to reliably identify high-risk patients within stages IB-III. Results: Out of 36 analyzed patients, a third metastasized ultra-late (≥15 years). The mean age at initial diagnosis was 51 years, with women being diagnosed comparatively younger than men. The largest proportion of patients with late recurrence had primary melanomas located on the trunk. The immunoprint® signature of the available primary melanomas allowed the accurate prediction of a high risk. However, it is difficult to draw a definitive conclusion from the small number of cases that could be analyzed with immunoprint® (n = 2) in this study. Apart from the primary tumor characteristics, the laboratory values at time of metastasis, comorbidities and outcome are also shown. Conclusion: Late and ultra-late recurrent melanomas seem not to differ from melanomas in general, apart from a distinctly higher proportion of lower leg localizations in ultra-late recurrent melanomas. The immunoprint® signature may help to identify high-risk primary tumors at the time of initial diagnosis. However, apart from the risk profile of the primary tumor, it seems that individual immune surveillance can control residual tumor cells for more than a decade. Advanced age and increasing comorbidities may contribute to a disturbed immunological balance.
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238
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Chen C, Lai X, Zhang Y, Xie L, Yu Z, Dan S, Jiang Y, Chen W, Liu L, Yang Y, Huang D, Zhao Y, Zheng J. NADPH metabolism determines the leukemogenic capacity and drug resistance of AML cells. Cell Rep 2022; 39:110607. [PMID: 35385727 DOI: 10.1016/j.celrep.2022.110607] [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] [Received: 09/15/2021] [Revised: 01/31/2022] [Accepted: 03/11/2022] [Indexed: 11/26/2022] Open
Abstract
The mechanism by which redox metabolism regulates the fates of acute myeloid leukemia (AML) cells remains largely unknown. Using a highly sensitive, genetically encoded fluorescent sensor of nicotinamide adenine dinucleotide phosphate (NADPH), iNap1, we find three heterogeneous subpopulations of AML cells with different cytosolic NADPH levels in an MLL-AF9-induced murine AML model. The iNap1-high AML cells have enhanced proliferation capacities both in vitro and in vivo and are enriched for more functional leukemia-initiating cells than iNap1-low counterparts. The iNap1-high AML cells prefer localizing in the bone marrow endosteal niche and are resistant to methotrexate treatment. Furthermore, iNap1-high human primary AML cells have enhanced proliferation abilities both in vitro and in vivo. Mechanistically, the MTHFD1-mediated folate cycle regulates NADPH homeostasis to promote leukemogenesis and methotrexate resistance. These results provide important clues for understanding mechanisms by which redox metabolism regulates cancer cell fates and a potential metabolic target for AML treatments.
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Affiliation(s)
- Chiqi Chen
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Xiaoyun Lai
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yaping Zhang
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Li Xie
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Zhuo Yu
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Sijia Dan
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yu Jiang
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Weicai Chen
- Optogenetics and Synthetic Biology Interdisciplinary Research Center, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Ligen Liu
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yi Yang
- Optogenetics and Synthetic Biology Interdisciplinary Research Center, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Dan Huang
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Yuzheng Zhao
- Optogenetics and Synthetic Biology Interdisciplinary Research Center, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China; Research Unit of New Techniques for Live-cell Metabolic Imaging, Chinese Academy of Medical Sciences, Beijing, China.
| | - Junke Zheng
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
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239
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Crist SB, Nemkov T, Dumpit RF, Dai J, Tapscott SJ, True LD, Swarbrick A, Sullivan LB, Nelson PS, Hansen KC, Ghajar CM. Unchecked oxidative stress in skeletal muscle prevents outgrowth of disseminated tumour cells. Nat Cell Biol 2022; 24:538-553. [PMID: 35411081 PMCID: PMC11312424 DOI: 10.1038/s41556-022-00881-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 03/02/2022] [Indexed: 12/13/2022]
Abstract
Skeletal muscle has long been recognized as an inhospitable site for disseminated tumour cells (DTCs). Yet its antimetastatic nature has eluded a thorough mechanistic examination. Here, we show that DTCs traffic to and persist within skeletal muscle in mice and in humans, which raises the question of how this tissue suppresses colonization. Results from mouse and organotypic culture models along with metabolomic profiling suggested that skeletal muscle imposes a sustained oxidative stress on DTCs that impairs their proliferation. Functional studies demonstrated that disrupting reduction-oxidation homeostasis via chemogenetic induction of reactive oxygen species slowed proliferation in a more fertile organ: the lung. Conversely, enhancement of the antioxidant potential of tumour cells through ectopic expression of catalase in the tumour or host mitochondria allowed robust colonization of skeletal muscle. These findings reveal a profound metabolic bottleneck imposed on DTCs and sustained by skeletal muscle. A thorough understanding of this biology could reveal previously undocumented DTC vulnerabilities that can be exploited to prevent metastasis in other more susceptible tissues.
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Affiliation(s)
- Sarah B Crist
- Public Health Sciences Division/Translational Research Program, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
- Graduate Program in Molecular and Cellular Biology, University of Washington, Seattle, WA, USA
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Ruth F Dumpit
- Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Jinxiang Dai
- Public Health Sciences Division/Translational Research Program, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Stephen J Tapscott
- Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
- Department of Neurology, University of Washington, Seattle, WA, USA
| | - Lawrence D True
- Department of Urology, University of Washington, Seattle, WA, USA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Alexander Swarbrick
- The Kinghorn Cancer Centre and Cancer Research Theme, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Lucas B Sullivan
- Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Peter S Nelson
- Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
- Department of Urology, University of Washington, Seattle, WA, USA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
- Department of Medicine, University of Washington, Seattle, WA, USA
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Cyrus M Ghajar
- Public Health Sciences Division/Translational Research Program, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.
- Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.
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240
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Zheng K, Chen S, Hu X. Peroxisome Proliferator Activated Receptor Gamma Coactivator-1 Alpha: A Double-Edged Sword in Prostate Cancer. Curr Cancer Drug Targets 2022; 22:541-559. [PMID: 35362394 DOI: 10.2174/1568009622666220330194149] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 02/09/2022] [Accepted: 02/17/2022] [Indexed: 12/24/2022]
Abstract
Peroxisome proliferator activated receptor gamma coactivator-1 alpha (PGC-1α/PPARGC1A) is a pivotal transcriptional coactivator involved in the regulation of mitochondrial metabolism, including biogenesis and oxidative metabolism. PGC-1α is finely regulated by AMP-activated protein kinases (AMPKs), the role of which in tumors remains controversial to date. In recent years, a growing amount of research on PGC-1α and tumor metabolism has emphasized its importance in a variety of tumors, including prostate cancer (PCA). Compelling evidence has shown that PGC-1α may play dual roles in promoting and inhibiting tumor development under certain conditions. Therefore, a better understanding of the critical role of PGC-1α in PCA pathogenesis will provide new insights into targeting PGC-1α for the treatment of this disease. In this review, we highlight the procancer and anticancer effects of PGC-1α in PCA and aim to provide a theoretical basis for targeting AMPK/PGC-1α to inhibit the development of PCA. In addition, our recent findings provide a candidate drug target and theoretical basis for targeting PGC-1α to regulate lipid metabolism in PCA.
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Affiliation(s)
- Kun Zheng
- Department of urology, Shanghai Sixth People\'s Hospital, 600 Yishan Road, Xuhui District, Shanghai, China
| | - Suzhen Chen
- Department of Endocrinology and Metabolism, Shanghai Sixth People\'s Hospital, Shanghai Jiao Tong University Affiliated Sixth People\'s Hospital, China
| | - Xiaoyong Hu
- Department of Urology, Shanghai Sixth People\'s Hospital, 600 Yishan Road, Xuhui District, Shanghai, China
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241
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Shepherd TG, Dick FA. Principles of dormancy evident in high-grade serous ovarian cancer. Cell Div 2022; 17:2. [PMID: 35321751 PMCID: PMC8944075 DOI: 10.1186/s13008-022-00079-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 03/16/2022] [Indexed: 11/17/2022] Open
Abstract
In cancer, dormancy refers to a clinical state in which microscopic residual disease becomes non-proliferative and is largely refractory to chemotherapy. Dormancy was first described in breast cancer where disease can remain undetected for decades, ultimately leading to relapse and clinical presentation of the original malignancy. A long latency period can be explained by withdrawal from cell proliferation (cellular dormancy), or a balance between proliferation and cell death that retains low levels of residual disease (tumor mass dormancy). Research into cellular dormancy has revealed features that define this state. They include arrest of cell proliferation, altered cellular metabolism, and unique cell dependencies and interactions with the microenvironment. These characteristics can be shared by dormant cells derived from disparate primary disease sites, suggesting common features exist between them. High-grade serous ovarian cancer (HGSOC) disseminates to locations throughout the abdominal cavity by means of cellular aggregates called spheroids. These growth-arrested and therapy-resistant cells are a strong contributor to disease relapse. In this review, we discuss the similarities and differences between ovarian cancer cells in spheroids and dormant properties reported for other cancer disease sites. This reveals that elements of dormancy, such as cell cycle control mechanisms and changes to metabolism, may be similar across most forms of cellular dormancy. However, HGSOC-specific aspects of spheroid biology, including the extracellular matrix organization and microenvironment, are obligatorily disease site specific. Collectively, our critical review of current literature highlights places where HGSOC cell dormancy may offer a more tractable experimental approach to understand broad principles of cellular dormancy in cancer.
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Affiliation(s)
- Trevor G Shepherd
- London Regional Cancer Program, London Health Sciences Centre, London, ON, N6A 5W9, Canada.,Department of Obstetrics & Gynaecology, Western University, London, ON, N6A 5C1, Canada
| | - Frederick A Dick
- London Regional Cancer Program, London Health Sciences Centre, London, ON, N6A 5W9, Canada. .,Department of Pathology and Laboratory Medicine, Western University, London, ON, N6A 5C1, Canada. .,Children's Health Research Institute, London, ON, N6A 4V2, Canada.
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242
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The Double-Edged Sword of Oxidative Stress in Skin Damage and Melanoma: From Physiopathology to Therapeutical Approaches. Antioxidants (Basel) 2022; 11:antiox11040612. [PMID: 35453297 PMCID: PMC9027913 DOI: 10.3390/antiox11040612] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/15/2022] [Accepted: 03/21/2022] [Indexed: 02/06/2023] Open
Abstract
The skin is constantly exposed to exogenous and endogenous sources of reactive oxygen species (ROS). An adequate balance between ROS levels and antioxidant defenses is necessary for the optimal cell and tissue functions, especially for the skin, since it must face additional ROS sources that do not affect other tissues, including UV radiation. Melanocytes are more exposed to oxidative stress than other cells, also due to the melanin production process, which itself contributes to generating ROS. There is an increasing amount of evidence that oxidative stress may play a role in many skin diseases, including melanoma, being the primary cause or being a cofactor that aggravates the primary condition. Indeed, oxidative stress is emerging as another major force involved in all the phases of melanoma development, not only in the arising of the malignancy but also in the progression toward the metastatic phenotype. Furthermore, oxidative stress seems to play a role also in chemoresistance and thus has become a target for therapy. In this review, we discuss the existing knowledge on oxidative stress in the skin, examining sources and defenses, giving particular consideration to melanocytes. Therefore, we focus on the significance of oxidative stress in melanoma, thus analyzing the possibility to exploit the induction of oxidative stress as a therapeutic strategy to improve the effectiveness of therapeutic management of melanoma.
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243
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Schuster C, Wolpert N, Moustaid-Moussa N, Gollahon LS. Combinatorial Effects of the Natural Products Arctigenin, Chlorogenic Acid, and Cinnamaldehyde Commit Oxidation Assassination on Breast Cancer Cells. Antioxidants (Basel) 2022; 11:591. [PMID: 35326241 PMCID: PMC8945099 DOI: 10.3390/antiox11030591] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/12/2022] [Accepted: 03/17/2022] [Indexed: 02/06/2023] Open
Abstract
Major obstacles in current breast cancer treatment efficacy include the ability of breast cancer cells to develop resistance to chemotherapeutic drugs and the off-target cytotoxicity of these drugs on normal cells, leading to debilitating side effects. One major difference between cancer and normal cells is their metabolism, as cancer cells acquire glycolytic and mitochondrial metabolism alterations throughout tumorigenesis. In this study, we sought to exploit this metabolic difference by investigating alternative breast cancer treatment options based on the application of phytochemicals. Herein, we investigated three phytochemicals, namely cinnamaldehyde (CA), chlorogenic acid (CGA), and arctigenin (Arc), regarding their anti-breast-cancer properties. These phytochemicals were administered alone or in combination to MCF-7, MDA-MB-231, and HCC1419 breast cancer or normal MCF-10A and MCF-12F breast cells. Overall, our results indicated that the combination treatments showed stronger inhibitory effects on breast cancer cells versus single treatments. However, only treatments with CA (35 μM), CGA (250 μg/mL), and the combination of CA + CGA (35 μM + 250 μg/mL) showed no significant cytotoxic effects on normal mammary epithelial cells, suggesting that Arc was the driver of normal cell cytotoxicity in all other treatments. CA + CGA and, to a lesser extent, CGA alone effectively induced breast cancer cell death accompanied by decreases in mitochondrial membrane potential, increased mitochondrial superoxide, reduced mitochondrial and glycolytic ATP production, and led to significant changes in cellular and mitochondrial morphology. Altogether, the combination of CA + CGA was determined as the best anti-breast-cancer treatment strategy due to its strong anti-breast-cancer effects without strong adverse effects on normal mammary epithelial cells. This study provides evidence that targeting the mitochondria may be an effective anticancer treatment, and that using phytochemicals or combinations thereof offers new approaches in treating breast cancer that significantly reduce off-target effects on normal cells.
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Affiliation(s)
- Caroline Schuster
- Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409, USA; (C.S.); (N.W.)
| | - Nicholas Wolpert
- Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409, USA; (C.S.); (N.W.)
| | - Naima Moustaid-Moussa
- Nutritional Sciences Department, Texas Tech University, Lubbock, TX 79409, USA;
- Obesity Research Institute, Texas Tech University, Lubbock, TX 79409, USA
| | - Lauren S. Gollahon
- Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409, USA; (C.S.); (N.W.)
- Obesity Research Institute, Texas Tech University, Lubbock, TX 79409, USA
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244
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Abstract
Drug resistance and metastasis-the major complications in cancer-both entail adaptation of cancer cells to stress, whether a drug or a lethal new environment. Intriguingly, these adaptive processes share similar features that cannot be explained by a pure Darwinian scheme, including dormancy, increased heterogeneity, and stress-induced plasticity. Here, we propose that learning theory offers a framework to explain these features and may shed light on these two intricate processes. In this framework, learning is performed at the single-cell level, by stress-driven exploratory trial-and-error. Such a process is not contingent on pre-existing pathways but on a random search for a state that diminishes the stress. We review underlying mechanisms that may support this search, and show by using a learning model that such exploratory learning is feasible in a high-dimensional system as the cell. At the population level, we view the tissue as a network of exploring agents that communicate, restraining cancer formation in health. In this view, disease results from the breakdown of homeostasis between cellular exploratory drive and tissue homeostasis.
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Affiliation(s)
- Aseel Shomar
- Department of Chemical Engineering, Israel Institute of Technology, Haifa 32000, Israel
- Network Biology Research Laboratory, Israel Institute of Technology, Haifa 32000, Israel
| | - Omri Barak
- Network Biology Research Laboratory, Israel Institute of Technology, Haifa 32000, Israel
- Rappaport Faculty of Medicine Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Naama Brenner
- Department of Chemical Engineering, Israel Institute of Technology, Haifa 32000, Israel
- Network Biology Research Laboratory, Israel Institute of Technology, Haifa 32000, Israel
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Jîtcă G, Ősz BE, Tero-Vescan A, Miklos AP, Rusz CM, Bătrînu MG, Vari CE. Positive Aspects of Oxidative Stress at Different Levels of the Human Body: A Review. Antioxidants (Basel) 2022; 11:antiox11030572. [PMID: 35326222 PMCID: PMC8944834 DOI: 10.3390/antiox11030572] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/12/2022] [Accepted: 03/14/2022] [Indexed: 02/01/2023] Open
Abstract
Oxidative stress is the subject of numerous studies, most of them focusing on the negative effects exerted at both molecular and cellular levels, ignoring the possible benefits of free radicals. More and more people admit to having heard of the term "oxidative stress", but few of them understand the meaning of it. We summarized and analyzed the published literature data in order to emphasize the importance and adaptation mechanisms of basal oxidative stress. This review aims to provide an overview of the mechanisms underlying the positive effects of oxidative stress, highlighting these effects, as well as the risks for the population consuming higher doses than the recommended daily intake of antioxidants. The biological dose-response curve in oxidative stress is unpredictable as reactive species are clearly responsible for cellular degradation, whereas antioxidant therapies can alleviate senescence by maintaining redox balance; nevertheless, excessive doses of the latter can modify the redox balance of the cell, leading to a negative outcome. It can be stated that the presence of oxidative status or oxidative stress is a physiological condition with well-defined roles, yet these have been insufficiently researched and explored. The involvement of reactive oxygen species in the pathophysiology of some associated diseases is well-known and the involvement of antioxidant therapies in the processes of senescence, apoptosis, autophagy, and the maintenance of cellular homeostasis cannot be denied. All data in this review support the idea that oxidative stress is an undesirable phenomenon in high and long-term concentrations, but regular exposure is consistent with the hormetic theory.
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Affiliation(s)
- George Jîtcă
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (G.J.); (C.E.V.)
| | - Bianca E. Ősz
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (G.J.); (C.E.V.)
- Correspondence:
| | - Amelia Tero-Vescan
- Department of Biochemistry, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (A.T.-V.); (A.P.M.)
| | - Amalia Pușcaș Miklos
- Department of Biochemistry, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (A.T.-V.); (A.P.M.)
| | - Carmen-Maria Rusz
- Doctoral School of Medicine and Pharmacy, I.O.S.U.D, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (C.-M.R.); (M.-G.B.)
| | - Mădălina-Georgiana Bătrînu
- Doctoral School of Medicine and Pharmacy, I.O.S.U.D, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (C.-M.R.); (M.-G.B.)
| | - Camil E. Vari
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (G.J.); (C.E.V.)
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246
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Carpenter EL, Becker AL, Indra AK. NRF2 and Key Transcriptional Targets in Melanoma Redox Manipulation. Cancers (Basel) 2022; 14:cancers14061531. [PMID: 35326683 PMCID: PMC8946769 DOI: 10.3390/cancers14061531] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/13/2022] [Accepted: 03/14/2022] [Indexed: 02/04/2023] Open
Abstract
Melanocytes are dendritic, pigment-producing cells located in the skin and are responsible for its protection against the deleterious effects of solar ultraviolet radiation (UVR), which include DNA damage and elevated reactive oxygen species (ROS). They do so by synthesizing photoprotective melanin pigments and distributing them to adjacent skin cells (e.g., keratinocytes). However, melanocytes encounter a large burden of oxidative stress during this process, due to both exogenous and endogenous sources. Therefore, melanocytes employ numerous antioxidant defenses to protect themselves; these are largely regulated by the master stress response transcription factor, nuclear factor erythroid 2-related factor 2 (NRF2). Key effector transcriptional targets of NRF2 include the components of the glutathione and thioredoxin antioxidant systems. Despite these defenses, melanocyte DNA often is subject to mutations that result in the dysregulation of the proliferative mitogen-activated protein kinase (MAPK) pathway and the cell cycle. Following tumor initiation, endogenous antioxidant systems are co-opted, a consequence of elevated oxidative stress caused by metabolic reprogramming, to establish an altered redox homeostasis. This altered redox homeostasis contributes to tumor progression and metastasis, while also complicating the application of exogenous antioxidant treatments. Further understanding of melanocyte redox homeostasis, in the presence or absence of disease, would contribute to the development of novel therapies to aid in the prevention and treatment of melanomas and other skin diseases.
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Affiliation(s)
- Evan L. Carpenter
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, OR 97331, USA; (E.L.C.); (A.L.B.)
| | - Alyssa L. Becker
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, OR 97331, USA; (E.L.C.); (A.L.B.)
- John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA
| | - Arup K. Indra
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, OR 97331, USA; (E.L.C.); (A.L.B.)
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, OR 97331, USA
- Linus Pauling Science Center, Oregon State University, Corvallis, OR 97331, USA
- Department of Dermatology, Oregon Health & Science University, Portland, OR 97239, USA
- Correspondence:
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247
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De Angelis ML, Francescangeli F, Nicolazzo C, Signore M, Giuliani A, Colace L, Boe A, Magri V, Baiocchi M, Ciardi A, Scarola F, Spada M, La Torre F, Gazzaniga P, Biffoni M, De Maria R, Zeuner A. An organoid model of colorectal circulating tumor cells with stem cell features, hybrid EMT state and distinctive therapy response profile. J Exp Clin Cancer Res 2022; 41:86. [PMID: 35260172 PMCID: PMC8903172 DOI: 10.1186/s13046-022-02263-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 01/18/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Circulating tumor cells (CTCs) are responsible for the metastatic dissemination of colorectal cancer (CRC) to the liver, lungs and lymph nodes. CTCs rarity and heterogeneity strongly limit the elucidation of their biological features, as well as preclinical drug sensitivity studies aimed at metastasis prevention. METHODS We generated organoids from CTCs isolated from an orthotopic CRC xenograft model. CTCs-derived organoids (CTCDOs) were characterized through proteome profiling, immunohistochemistry, immunofluorescence, flow cytometry, tumor-forming capacity and drug screening assays. The expression of intra- and extracellular markers found in CTCDOs was validated on CTCs isolated from the peripheral blood of CRC patients. RESULTS CTCDOs exhibited a hybrid epithelial-mesenchymal transition (EMT) state and an increased expression of stemness-associated markers including the two homeobox transcription factors Goosecoid and Pancreatic Duodenal Homeobox Gene-1 (PDX1), which were also detected in CTCs from CRC patients. Functionally, CTCDOs showed a higher migratory/invasive ability and a different response to pathway-targeted drugs as compared to xenograft-derived organoids (XDOs). Specifically, CTCDOs were more sensitive than XDOs to drugs affecting the Survivin pathway, which decreased the levels of Survivin and X-Linked Inhibitor of Apoptosis Protein (XIAP) inducing CTCDOs death. CONCLUSIONS These results indicate that CTCDOs recapitulate several features of colorectal CTCs and may be used to investigate the features of metastatic CRC cells, to identify new prognostic biomarkers and to devise new potential strategies for metastasis prevention.
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Affiliation(s)
- Maria Laura De Angelis
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy.
| | - Federica Francescangeli
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Chiara Nicolazzo
- Department of Molecular Medicine, Liquid Biopsy Unit, Sapienza University, Viale Regina Elena 324, 00161, Rome, Italy
| | - Michele Signore
- RPPA Unit, Proteomics Area, Core Facilities, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Alessandro Giuliani
- Environment and Health Department, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Lidia Colace
- Department of Surgical Sciences, Policlinico Umberto I/Sapienza University of Rome, Viale del Policlinico 155, 00161, Rome, Italy
| | - Alessandra Boe
- Core Facilities, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Valentina Magri
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University, Viale del Policlinico 155, 00161, Rome, Italy
| | - Marta Baiocchi
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Antonio Ciardi
- Department of Surgery "Pietro Valdoni", Policlinico Umberto I/Sapienza University, Viale del Policlinico 155, 00161, Rome, Italy
| | - Francesco Scarola
- Department of Surgery "Pietro Valdoni", Policlinico Umberto I/Sapienza University, Viale del Policlinico 155, 00161, Rome, Italy
| | - Massimo Spada
- Center of Animal Research and Welfare, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Filippo La Torre
- Surgical Sciences and Emergency Department, Policlinico Umberto I/Sapienza University of Rome, Viale del Policlinico 155, 00161, Rome, Italy
| | - Paola Gazzaniga
- Department of Molecular Medicine, Liquid Biopsy Unit, Sapienza University, Viale Regina Elena 324, 00161, Rome, Italy
| | - Mauro Biffoni
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Ruggero De Maria
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168, Rome, Italy.
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Agostino Gemelli 8, 00168, Rome, Italy.
| | - Ann Zeuner
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy.
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248
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Sasahira T, Kurihara-Shimomura M, Shimojjukoku Y, Shima K, Kirita T. Searching for New Molecular Targets for Oral Squamous Cell Carcinoma with a View to Clinical Implementation of Precision Medicine. J Pers Med 2022; 12:jpm12030413. [PMID: 35330413 PMCID: PMC8954939 DOI: 10.3390/jpm12030413] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 12/12/2022] Open
Abstract
Head and neck cancer, including oral squamous cell carcinoma (OSCC), is the eighth most common malignancy globally and is characterized by local invasiveness and high nodal metastatic potential. The OSCC incidence is also increasing, and the number of deaths is also rising steadily in Japan. The development of molecular markers to eradicate OSCC is an urgent issue for humankind. The increase in OSCC despite the declining smoking rate may be due to several viral infections through various sexual activities and the involvement of previously unfocused carcinogens, and genetic alterations in individual patients are considered to be more complicated. Given this situation, it is difficult to combat OSCC with conventional radiotherapy and chemotherapy using cell-killing anticancer drugs alone, and the development of precision medicine, which aims to provide tailor-made medicine based on the genetic background of each patient, is gaining attention. In this review article, the current status of the comprehensive search for driver genes and biomarkers in OSCC will be briefly described, and some of the candidates for novel markers of OSCC that were found will be outlined.
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Affiliation(s)
- Tomonori Sasahira
- Department of Molecular Oral Pathology and Oncology, Field of Oncology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Japan; (Y.S.); (K.S.)
- Correspondence:
| | - Miyako Kurihara-Shimomura
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara 634-8521, Japan; (M.K.-S.); (T.K.)
| | - Yudai Shimojjukoku
- Department of Molecular Oral Pathology and Oncology, Field of Oncology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Japan; (Y.S.); (K.S.)
| | - Kaori Shima
- Department of Molecular Oral Pathology and Oncology, Field of Oncology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Japan; (Y.S.); (K.S.)
| | - Tadaaki Kirita
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara 634-8521, Japan; (M.K.-S.); (T.K.)
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249
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Pavlova NN, Zhu J, Thompson CB. The hallmarks of cancer metabolism: Still emerging. Cell Metab 2022; 34:355-377. [PMID: 35123658 PMCID: PMC8891094 DOI: 10.1016/j.cmet.2022.01.007] [Citation(s) in RCA: 455] [Impact Index Per Article: 227.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 01/13/2022] [Accepted: 01/19/2022] [Indexed: 12/14/2022]
Abstract
Metabolism of cancer cells is geared toward biomass production and proliferation. Since the metabolic resources within the local tissue are finite, this can lead to nutrient depletion and accumulation of metabolic waste. To maintain growth in these conditions, cancer cells employ a variety of metabolic adaptations, the nature of which is collectively determined by the physiology of their cell of origin, the identity of transforming lesions, and the tissue in which cancer cells reside. Furthermore, select metabolites not only serve as substrates for energy and biomass generation, but can also regulate gene and protein expression and influence the behavior of non-transformed cells in the tumor vicinity. As they grow and metastasize, tumors can also affect and be affected by the nutrient distribution within the body. In this hallmark update, recent advances are incorporated into a conceptual framework that may help guide further research efforts in exploring cancer cell metabolism.
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Affiliation(s)
- Natalya N Pavlova
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Jiajun Zhu
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
| | - Craig B Thompson
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
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250
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Britt EC, Lika J, Giese MA, Schoen TJ, Seim GL, Huang Z, Lee PY, Huttenlocher A, Fan J. Switching to the cyclic pentose phosphate pathway powers the oxidative burst in activated neutrophils. Nat Metab 2022; 4:389-403. [PMID: 35347316 PMCID: PMC8964420 DOI: 10.1038/s42255-022-00550-8] [Citation(s) in RCA: 72] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 02/11/2022] [Indexed: 12/22/2022]
Abstract
Neutrophils are cells at the frontline of innate immunity that can quickly activate effector functions to eliminate pathogens upon stimulation. However, little is known about the metabolic adaptations that power these functions. Here we show rapid metabolic alterations in neutrophils upon activation, particularly drastic reconfiguration around the pentose phosphate pathway, which is specifically and quantitatively coupled to an oxidative burst. During this oxidative burst, neutrophils switch from glycolysis-dominant metabolism to a unique metabolic mode termed 'pentose cycle', where all glucose-6-phosphate is diverted into oxidative pentose phosphate pathway and net flux through upper glycolysis is reversed to allow substantial recycling of pentose phosphates. This reconfiguration maximizes NADPH yield to fuel superoxide production via NADPH oxidase. Disruptions of pentose cycle greatly suppress oxidative burst, the release of neutrophil extracellular traps and pathogen killing by neutrophils. Together, these results demonstrate the remarkable metabolic flexibility of neutrophils, which is essential for their functions as the first responders in innate immunity.
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Affiliation(s)
- Emily C Britt
- Morgridge Institute for Research, Madison, WI, USA
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Jorgo Lika
- Morgridge Institute for Research, Madison, WI, USA
- Cell and Molecular Biology Graduate Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Morgan A Giese
- Cell and Molecular Biology Graduate Program, University of Wisconsin-Madison, Madison, WI, USA
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI, USA
| | - Taylor J Schoen
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI, USA
- Comparative Biomedical Sciences Graduate Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Gretchen L Seim
- Morgridge Institute for Research, Madison, WI, USA
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Zhengping Huang
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Pui Y Lee
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Anna Huttenlocher
- Cell and Molecular Biology Graduate Program, University of Wisconsin-Madison, Madison, WI, USA
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI, USA
- Comparative Biomedical Sciences Graduate Program, University of Wisconsin-Madison, Madison, WI, USA
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI, USA
| | - Jing Fan
- Morgridge Institute for Research, Madison, WI, USA.
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, USA.
- Cell and Molecular Biology Graduate Program, University of Wisconsin-Madison, Madison, WI, USA.
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