1
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Li S, Liu Z, Chen Q, Chen Y, Ji S. A novel fatty acid metabolism-related signature identifies MUC4 as a novel therapy target for esophageal squamous cell carcinoma. Sci Rep 2024; 14:12476. [PMID: 38816411 PMCID: PMC11139939 DOI: 10.1038/s41598-024-62917-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 05/22/2024] [Indexed: 06/01/2024] Open
Abstract
Fatty acid metabolism has been identified as an emerging hallmark of cancer, which was closely associated with cancer prognosis. Whether fatty acid metabolism-related genes (FMGs) signature play a more crucial role in biological behavior of esophageal squamous cell carcinoma (ESCC) prognosis remains unknown. Thus, we aimed to identify a reliable FMGs signature for assisting treatment decisions and prognosis evaluation of ESCC. In the present study, we conducted consensus clustering analysis on 259 publicly available ESCC samples. The clinical information was downloaded from The Cancer Genome Atlas (TCGA, 80 ESCC samples) and Gene Expression Omnibus (GEO) database (GSE53625, 179 ESCC samples). A consensus clustering arithmetic was used to determine the FMGs molecular subtypes, and survival outcomes and immune features were evaluated among the different subtypes. Kaplan-Meier analysis and the receiver operating characteristic (ROC) was applied to evaluate the reliability of the risk model in training cohort, validation cohort and all cohorts. A nomogram to predict patients' 1-year, 3-year and 5-year survival rate was also studied. Finally, CCK-8 assay, wound healing assay, and transwell assay were implemented to evaluate the inherent mechanisms of FMGs for tumorigenesis in ESCC. Two subtypes were identified by consensus clustering, of which cluster 2 is preferentially associated with poor prognosis, lower immune cell infiltration. A fatty acid (FA) metabolism-related risk model containing eight genes (FZD10, TACSTD2, MUC4, PDLIM1, PRSS12, BAALC, DNAJA2 and ALOX12B) was established. High-risk group patients displayed worse survival, higher stromal, immune and ESTIMATE scores than in the low-risk group. Moreover, a nomogram revealed good predictive ability of clinical outcomes in ESCC patients. The results of qRT-PCR analysis revealed that the MUC4 and BAALC had high expression level, and FZD10, PDLIM1, TACSTD2, ALOX12B had low expression level in ESCC cells. In vitro, silencing MUC4 remarkably inhibited ESCC cell proliferation, invasion and migration. Our study fills the gap of FMGs signature in predicting the prognosis of ESCC patients. These findings revealed that cluster subtypes and risk model of FMGs had effects on survival prediction, and were expected to be the potential promising targets for ESCC.
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Affiliation(s)
- Shanshan Li
- Department of Operating Room, Weifang Traditional Chinese Hospital, Weifang, China
| | - Zhengcao Liu
- Department of Radiotherapy & Oncology, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, No.16 Baita Road, Suzhou, 215001, China
| | - Qingqing Chen
- Department of Radiotherapy & Oncology, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, No.16 Baita Road, Suzhou, 215001, China
| | - Yuetong Chen
- Department of Radiotherapy & Oncology, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, No.16 Baita Road, Suzhou, 215001, China
| | - Shengjun Ji
- Department of Radiotherapy & Oncology, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, No.16 Baita Road, Suzhou, 215001, China.
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2
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De Lazzari G, Opattova A, Arena S. Novel frontiers in urogenital cancers: from molecular bases to preclinical models to tailor personalized treatments in ovarian and prostate cancer patients. J Exp Clin Cancer Res 2024; 43:146. [PMID: 38750579 PMCID: PMC11094891 DOI: 10.1186/s13046-024-03065-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 05/08/2024] [Indexed: 05/19/2024] Open
Abstract
Over the last few decades, the incidence of urogenital cancers has exhibited diverse trends influenced by screening programs and geographical variations. Among women, there has been a consistent or even increased occurrence of endometrial and ovarian cancers; conversely, prostate cancer remains one of the most diagnosed malignancies, with a rise in reported cases, partly due to enhanced and improved screening efforts.Simultaneously, the landscape of cancer therapeutics has undergone a remarkable evolution, encompassing the introduction of targeted therapies and significant advancements in traditional chemotherapy. Modern targeted treatments aim to selectively address the molecular aberrations driving cancer, minimizing adverse effects on normal cells. However, traditional chemotherapy retains its crucial role, offering a broad-spectrum approach that, despite its wider range of side effects, remains indispensable in the treatment of various cancers, often working synergistically with targeted therapies to enhance overall efficacy.For urogenital cancers, especially ovarian and prostate cancers, DNA damage response inhibitors, such as PARP inhibitors, have emerged as promising therapeutic avenues. In BRCA-mutated ovarian cancer, PARP inhibitors like olaparib and niraparib have demonstrated efficacy, leading to their approval for specific indications. Similarly, patients with DNA damage response mutations have shown sensitivity to these agents in prostate cancer, heralding a new frontier in disease management. Furthermore, the progression of ovarian and prostate cancer is intricately linked to hormonal regulation. Ovarian cancer development has also been associated with prolonged exposure to estrogen, while testosterone and its metabolite dihydrotestosterone, can fuel the growth of prostate cancer cells. Thus, understanding the interplay between hormones, DNA damage and repair mechanisms can hold promise for exploring novel targeted therapies for ovarian and prostate tumors.In addition, it is of primary importance the use of preclinical models that mirror as close as possible the biological and genetic features of patients' tumors in order to effectively translate novel therapeutic findings "from the bench to the bedside".In summary, the complex landscape of urogenital cancers underscores the need for innovative approaches. Targeted therapy tailored to DNA repair mechanisms and hormone regulation might offer promising avenues for improving the management and outcomes for patients affected by ovarian and prostate cancers.
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Affiliation(s)
- Giada De Lazzari
- Candiolo Cancer Institute, FPO - IRCCS, Laboratory of Translational Cancer Genetics, Strada Provinciale 142, Km 3.95, Candiolo, TO, ZIP 10060, Italy
| | - Alena Opattova
- Candiolo Cancer Institute, FPO - IRCCS, Laboratory of Translational Cancer Genetics, Strada Provinciale 142, Km 3.95, Candiolo, TO, ZIP 10060, Italy
| | - Sabrina Arena
- Candiolo Cancer Institute, FPO - IRCCS, Laboratory of Translational Cancer Genetics, Strada Provinciale 142, Km 3.95, Candiolo, TO, ZIP 10060, Italy.
- Department of Oncology, University of Torino, Strada Provinciale 142, Km 3.95, Candiolo, TO, ZIP 10060, Italy.
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3
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Xu J, Fei P, Simon DW, Morowitz MJ, Mehta PA, Du W. Crosstalk between DNA Damage Repair and Metabolic Regulation in Hematopoietic Stem Cells. Cells 2024; 13:733. [PMID: 38727270 PMCID: PMC11083014 DOI: 10.3390/cells13090733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 04/18/2024] [Accepted: 04/22/2024] [Indexed: 05/12/2024] Open
Abstract
Self-renewal and differentiation are two characteristics of hematopoietic stem cells (HSCs). Under steady physiological conditions, most primitive HSCs remain quiescent in the bone marrow (BM). They respond to different stimuli to refresh the blood system. The transition from quiescence to activation is accompanied by major changes in metabolism, a fundamental cellular process in living organisms that produces or consumes energy. Cellular metabolism is now considered to be a key regulator of HSC maintenance. Interestingly, HSCs possess a distinct metabolic profile with a preference for glycolysis rather than oxidative phosphorylation (OXPHOS) for energy production. Byproducts from the cellular metabolism can also damage DNA. To counteract such insults, mammalian cells have evolved a complex and efficient DNA damage repair (DDR) system to eliminate various DNA lesions and guard genomic stability. Given the enormous regenerative potential coupled with the lifetime persistence of HSCs, tight control of HSC genome stability is essential. The intersection of DDR and the HSC metabolism has recently emerged as an area of intense research interest, unraveling the profound connections between genomic stability and cellular energetics. In this brief review, we delve into the interplay between DDR deficiency and the metabolic reprogramming of HSCs, shedding light on the dynamic relationship that governs the fate and functionality of these remarkable stem cells. Understanding the crosstalk between DDR and the cellular metabolism will open a new avenue of research designed to target these interacting pathways for improving HSC function and treating hematologic disorders.
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Affiliation(s)
- Jian Xu
- Division of Hematology and Oncology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15232, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA 15213, USA
| | - Peiwen Fei
- Cancer Biology, University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI 96812, USA
| | - Dennis W. Simon
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Michael J. Morowitz
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Parinda A. Mehta
- Division of Blood and Marrow Transplantation and Immune Deficiency, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Wei Du
- Division of Hematology and Oncology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15232, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA 15213, USA
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4
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Chen S, Xie DF, Li S, Luo J, Han Y, Guo H, Gao S, Huang X, Guan H, Huang R, Zhou PK. TAB182 regulates glycolytic metabolism by controlling LDHA transcription to impact tumor radiosensitivity. Cell Death Dis 2024; 15:209. [PMID: 38480704 PMCID: PMC10937931 DOI: 10.1038/s41419-024-06588-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 03/17/2024]
Abstract
Metabolic reprogramming, a hallmark of cancer, is closely associated with tumor development and progression. Changes in glycolysis play a crucial role in conferring radiation resistance to tumor cells. How radiation changes the glycolysis status of cancer cells is still unclear. Here we revealed the role of TAB182 in regulating glycolysis and lactate production in cellular response to ionizing radiation. Irradiation can significantly stimulate the production of TAB182 protein, and inhibiting TAB182 increases cellular radiosensitivity. Proteomic analysis indicated that TAB182 influences several vital biological processes, including multiple metabolic pathways. Knockdown of TAB182 results in decreased lactate production and increased pyruvate and ATP levels in cancer cells. Moreover, knocking down TAB182 reverses radiation-induced metabolic changes, such as radioresistant-related lactate production. TAB182 is necessary for activating LDHA transcription by affecting transcription factors SP1 and c-MYC; its knockdown attenuates the upregulation of LDHA by radiation, subsequently suppressing lactate production. Targeted suppression of TAB182 significantly enhances the sensitivity of murine xenograft tumors to radiotherapy. These findings advance our understanding of glycolytic metabolism regulation in response to ionizing radiation, which may offer significant implications for developing new strategies to overcome tumor radioresistance.
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Affiliation(s)
- Shi Chen
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan Province, 421001, P. R. China
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
| | - Da-Fei Xie
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
| | - Saiyu Li
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
- School of Life Sciences, Hebei University, Baoding, Hebei Province, 071002, P. R. China
| | - Jinhua Luo
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan, 410078, P. R. China
| | - Yang Han
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
| | - Hejiang Guo
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
| | - Shuaining Gao
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan Province, 421001, P. R. China
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
| | - Xin Huang
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
| | - Hua Guan
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan Province, 421001, P. R. China.
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China.
| | - Ruixue Huang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan, 410078, P. R. China.
| | - Ping-Kun Zhou
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan Province, 421001, P. R. China.
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China.
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5
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Cheng KW, Su PR, Feller KJA, Chien MP, Hsu CC. Investigating the Metabolic Heterogeneity of Cancer Cells Using Functional Single-Cell Selection and nLC Combined with Multinozzle Emitter Mass Spectrometry. Anal Chem 2024; 96:624-629. [PMID: 38157203 DOI: 10.1021/acs.analchem.3c03688] [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: 01/03/2024]
Abstract
Tumor metastasis and cancer recurrence are often a result of cell heterogeneity, where specific subpopulations of tumor cells may be resistant to radio- or chemotherapy. To investigate this physiological and phenotypic diversity, single-cell metabolomics provides a powerful approach at the chemical level, where distinct lipid profiles can be found in different tumor cells. Here, we established a highly sensitive platform using nanoflow liquid chromatography (nLC) combined with multinozzle emitter electrospray ionization mass spectrometry for more in-depth metabolomics profiling. Our platform identified 15 and 17 lipids from individual osteosarcoma (U2OS) and glioblastoma (GBM) cells when analyzing single-cell samples. Additionally, we used the functional single-cell selection (fSCS) pipeline to analyze the subpopulations of cells with a DNA damage response (DDR) in U2OS cells and fast migration in GBM cells. Specifically, we observed a down-regulation of polyunsaturated fatty acids (PUFAs) in U2OS cells undergoing DDR, such as fatty acids FA 20:3; O2 and FA 17:4; O3. Furthermore, ceramides (Cer 38:0; O3) and triglycerides (TG 36:0) were found to be down-regulated in fast-migrating GBM cells compared to the slow-migrating subpopulation. These findings suggest the potential roles of these metabolites and/or lipids in the cellular behavior of the subpopulations.
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Affiliation(s)
- Kai-Wen Cheng
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Pin-Rui Su
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
- Department of Molecular Genetics, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Oncode Institute, 3521 AL Utrecht, The Netherlands
| | - Kate Jo-Ann Feller
- Department of Molecular Genetics, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Oncode Institute, 3521 AL Utrecht, The Netherlands
| | - Miao-Ping Chien
- Department of Molecular Genetics, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Oncode Institute, 3521 AL Utrecht, The Netherlands
| | - Cheng-Chih Hsu
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
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6
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George N, Joshi MB, Satyamoorthy K. DNA damage-induced senescence is associated with metabolomic reprogramming in breast cancer cells. Biochimie 2024; 216:71-82. [PMID: 37758157 DOI: 10.1016/j.biochi.2023.09.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 08/28/2023] [Accepted: 09/21/2023] [Indexed: 10/02/2023]
Abstract
Senescence due to exogenous and endogenous stresses triggers metabolic reprogramming and is associated with many pathologies, including cancer. In solid tumors, senescence promotes tumorigenesis, facilitates relapse, and changes the outcomes of anti-cancer therapies. Hence, cellular and molecular mechanisms regulating senescent pathways make attractive therapeutic targets. Cancer cells undergo metabolic reprogramming to sustain the growth-arrested state of senescence. In the present study, we aimed to understand the metabolic reprogramming in MCF-7 breast tumor cells in response to two independent inducers of DNA damage-mediated senescence, including ionizing radiation and doxorubicin. Increased DNA double-strand breaks, as demonstrated by γH2AX staining, showed a senescence phenotype, with expression of senescence-associated β-galactosidase accompanied by the upregulation of p21 and p16 in both groups. Further, untargeted analysis of the senescence-related extracellular metabolome profile of MCF-7 cells showed significantly reduced concentrations of carnitine and pantothenic acid and increased levels of S-adenosylhomocysteine in doxorubicin-treated cells, indicating the accumulation of ROS mediated DNA damage and impaired mitochondrial membrane potential. Similarly, a significant decline in the creatine level was observed in radiation-exposed cells, suggesting an increase in oxidative stress-mediated DNA damage. Our study, therefore, provides key effectors of the metabolic changes in doxorubicin and radiation-induced early senescence in MCF-7 breast cancer cells.
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Affiliation(s)
- Neena George
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576 104, India.
| | - Manjunath B Joshi
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576 104, India.
| | - Kapaettu Satyamoorthy
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576 104, India; Shri Dharmasthala Manjunatheshwara (SDM) University, SDM College of Medical Sciences and Hospital, Manjushree Nagar, Sattur, Dharwad, 580009, Karnataka, India.
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7
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Kang TH. DNA Damage, Repair, and Cancer Metabolism. Int J Mol Sci 2023; 24:16430. [PMID: 38003620 PMCID: PMC10671069 DOI: 10.3390/ijms242216430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
The intricate interplay between DNA damage response (DDR) and metabolism unveils a profound insight into the fundamental mechanisms governing the maintenance of genomic integrity [...].
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Affiliation(s)
- Tae-Hong Kang
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea
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8
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Soultanas P, Janniere L. The metabolic control of DNA replication: mechanism and function. Open Biol 2023; 13:230220. [PMID: 37582405 PMCID: PMC10427196 DOI: 10.1098/rsob.230220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 07/26/2023] [Indexed: 08/17/2023] Open
Abstract
Metabolism and DNA replication are the two most fundamental biological functions in life. The catabolic branch of metabolism breaks down nutrients to produce energy and precursors used by the anabolic branch of metabolism to synthesize macromolecules. DNA replication consumes energy and precursors for faithfully copying genomes, propagating the genetic material from generation to generation. We have exquisite understanding of the mechanisms that underpin and regulate these two biological functions. However, the molecular mechanism coordinating replication to metabolism and its biological function remains mostly unknown. Understanding how and why living organisms respond to fluctuating nutritional stimuli through cell-cycle dynamic changes and reproducibly and distinctly temporalize DNA synthesis in a wide-range of growth conditions is important, with wider implications across all domains of life. After summarizing the seminal studies that founded the concept of the metabolic control of replication, we review data linking metabolism to replication from bacteria to humans. Molecular insights underpinning these links are then presented to propose that the metabolic control of replication uses signalling systems gearing metabolome homeostasis to orchestrate replication temporalization. The remarkable replication phenotypes found in mutants of this control highlight its importance in replication regulation and potentially genetic stability and tumorigenesis.
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Affiliation(s)
- Panos Soultanas
- Biodiscovery Institute, School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Laurent Janniere
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Université Evry, Université Paris-Saclay, 91057 Evry, France
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9
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Sun JKL, Wong GCN, Chow KHM. Cross-talk between DNA damage response and the central carbon metabolic network underlies selective vulnerability of Purkinje neurons in ataxia-telangiectasia. J Neurochem 2023; 166:654-677. [PMID: 37319113 DOI: 10.1111/jnc.15881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/17/2023]
Abstract
Cerebellar ataxia is often the first and irreversible outcome in the disease of ataxia-telangiectasia (A-T), as a consequence of selective cerebellar Purkinje neuronal degeneration. A-T is an autosomal recessive disorder resulting from the loss-of-function mutations of the ataxia-telangiectasia-mutated ATM gene. Over years of research, it now becomes clear that functional ATM-a serine/threonine kinase protein product of the ATM gene-plays critical roles in regulating both cellular DNA damage response and central carbon metabolic network in multiple subcellular locations. The key question arises is how cerebellar Purkinje neurons become selectively vulnerable when all other cell types in the brain are suffering from the very same defects in ATM function. This review intended to comprehensively elaborate the unexpected linkages between these two seemingly independent cellular functions and the regulatory roles of ATM involved, their integrated impacts on both physical and functional properties, hence the introduction of selective vulnerability to Purkinje neurons in the disease will be addressed.
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Affiliation(s)
- Jacquelyne Ka-Li Sun
- School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Hong Kong
| | - Genper Chi-Ngai Wong
- School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Hong Kong
| | - Kim Hei-Man Chow
- School of Life Sciences, Faculty of Science, The Chinese University of Hong Kong, Hong Kong
- Gerald Choa Neuroscience Institute, The Chinese University of Hong Kong, Hong Kong
- Nexus of Rare Neurodegenerative Diseases, The Chinese University of Hong Kong, Hong Kong
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10
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Moretton A, Kourtis S, Gañez Zapater A, Calabrò C, Espinar Calvo ML, Fontaine F, Darai E, Abad Cortel E, Block S, Pascual‐Reguant L, Pardo‐Lorente N, Ghose R, Vander Heiden MG, Janic A, Müller AC, Loizou JI, Sdelci S. A metabolic map of the DNA damage response identifies PRDX1 in the control of nuclear ROS scavenging and aspartate availability. Mol Syst Biol 2023; 19:e11267. [PMID: 37259925 PMCID: PMC10333845 DOI: 10.15252/msb.202211267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 05/08/2023] [Accepted: 05/10/2023] [Indexed: 06/02/2023] Open
Abstract
While cellular metabolism impacts the DNA damage response, a systematic understanding of the metabolic requirements that are crucial for DNA damage repair has yet to be achieved. Here, we investigate the metabolic enzymes and processes that are essential for the resolution of DNA damage. By integrating functional genomics with chromatin proteomics and metabolomics, we provide a detailed description of the interplay between cellular metabolism and the DNA damage response. Further analysis identified that Peroxiredoxin 1, PRDX1, contributes to the DNA damage repair. During the DNA damage response, PRDX1 translocates to the nucleus where it reduces DNA damage-induced nuclear reactive oxygen species. Moreover, PRDX1 loss lowers aspartate availability, which is required for the DNA damage-induced upregulation of de novo nucleotide synthesis. In the absence of PRDX1, cells accumulate replication stress and DNA damage, leading to proliferation defects that are exacerbated in the presence of etoposide, thus revealing a role for PRDX1 as a DNA damage surveillance factor.
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Affiliation(s)
- Amandine Moretton
- Center for Cancer Research, Comprehensive Cancer CenterMedical University of ViennaViennaAustria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of SciencesViennaAustria
| | - Savvas Kourtis
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Antoni Gañez Zapater
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Chiara Calabrò
- Center for Cancer Research, Comprehensive Cancer CenterMedical University of ViennaViennaAustria
| | | | - Frédéric Fontaine
- CeMM Research Center for Molecular Medicine of the Austrian Academy of SciencesViennaAustria
| | - Evangelia Darai
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Etna Abad Cortel
- Department of Medicine and Life SciencesUniversitat Pompeu FabraBarcelonaSpain
| | - Samuel Block
- Koch Institute for Integrative Cancer ResearchMassachusetts Institute of TechnologyCambridgeMAUSA
| | - Laura Pascual‐Reguant
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Natalia Pardo‐Lorente
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Ritobrata Ghose
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Matthew G Vander Heiden
- Koch Institute for Integrative Cancer ResearchMassachusetts Institute of TechnologyCambridgeMAUSA
- Department of BiologyMassachusetts Institute of TechnologyCambridgeMAUSA
- Dana‐Farber Cancer InstituteBostonMAUSA
| | - Ana Janic
- Department of Medicine and Life SciencesUniversitat Pompeu FabraBarcelonaSpain
| | - André C Müller
- CeMM Research Center for Molecular Medicine of the Austrian Academy of SciencesViennaAustria
| | - Joanna I Loizou
- Center for Cancer Research, Comprehensive Cancer CenterMedical University of ViennaViennaAustria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of SciencesViennaAustria
| | - Sara Sdelci
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
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11
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Benavente S. Remodeling the tumor microenvironment to overcome treatment resistance in HPV-negative head and neck cancer. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2023; 6:291-313. [PMID: 37457128 PMCID: PMC10344731 DOI: 10.20517/cdr.2022.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 05/02/2023] [Accepted: 05/22/2023] [Indexed: 07/18/2023]
Abstract
Despite intensive efforts and refined techniques, overall survival in HPV-negative head and neck cancer remains poor. Robust immune priming is required to elicit a strong and durable antitumor immune response in immunologically cold and excluded tumors like HPV-negative head and neck cancer. This review highlights how the tumor microenvironment could be affected by different immune and stromal cell types, weighs the need to integrate metabolic regulation of the tumor microenvironment into cancer treatment strategies and summarizes the emerging clinical applicability of personalized immunotherapeutic strategies in HPV-negative head and neck cancer.
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Affiliation(s)
- Sergi Benavente
- Correspondence to: Dr. Sergi Benavente, Department of Radiation Oncology, Vall d’Hebron University Hospital, Passeig Vall d’Hebron 119, Barcelona 08035, Spain. E-mail:
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12
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Koo SY, Park EJ, Noh HJ, Jo SM, Ko BK, Shin HJ, Lee CW. Ubiquitination Links DNA Damage and Repair Signaling to Cancer Metabolism. Int J Mol Sci 2023; 24:ijms24098441. [PMID: 37176148 PMCID: PMC10179089 DOI: 10.3390/ijms24098441] [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: 04/12/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/15/2023] Open
Abstract
Changes in the DNA damage response (DDR) and cellular metabolism are two important factors that allow cancer cells to proliferate. DDR is a set of events in which DNA damage is recognized, DNA repair factors are recruited to the site of damage, the lesion is repaired, and cellular responses associated with the damage are processed. In cancer, DDR is commonly dysregulated, and the enzymes associated with DDR are prone to changes in ubiquitination. Additionally, cellular metabolism, especially glycolysis, is upregulated in cancer cells, and enzymes in this metabolic pathway are modulated by ubiquitination. The ubiquitin-proteasome system (UPS), particularly E3 ligases, act as a bridge between cellular metabolism and DDR since they regulate the enzymes associated with the two processes. Hence, the E3 ligases with high substrate specificity are considered potential therapeutic targets for treating cancer. A number of small molecule inhibitors designed to target different components of the UPS have been developed, and several have been tested in clinical trials for human use. In this review, we discuss the role of ubiquitination on overall cellular metabolism and DDR and confirm the link between them through the E3 ligases NEDD4, APC/CCDH1, FBXW7, and Pellino1. In addition, we present an overview of the clinically important small molecule inhibitors and implications for their practical use.
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Affiliation(s)
- Seo-Young Koo
- Department of Molecular Cell Biology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon 16419, Republic of Korea
| | - Eun-Ji Park
- Department of Molecular Cell Biology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon 16419, Republic of Korea
| | - Hyun-Ji Noh
- Department of Molecular Cell Biology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon 16419, Republic of Korea
| | - Su-Mi Jo
- Department of Molecular Cell Biology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon 16419, Republic of Korea
| | - Bo-Kyoung Ko
- Department of Molecular Cell Biology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon 16419, Republic of Korea
| | - Hyun-Jin Shin
- Team of Radiation Convergence Research, Korea Institute of Radiological & Medical Sciences, Seoul 01812, Republic of Korea
| | - Chang-Woo Lee
- Department of Molecular Cell Biology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Suwon 16419, Republic of Korea
- SKKU Institute for Convergence, Sungkyunkwan University, Suwon 16419, Republic of Korea
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13
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Tripathi D, Oldenburg DJ, Bendich AJ. Oxidative and Glycation Damage to Mitochondrial DNA and Plastid DNA during Plant Development. Antioxidants (Basel) 2023; 12:antiox12040891. [PMID: 37107266 PMCID: PMC10135910 DOI: 10.3390/antiox12040891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 03/31/2023] [Accepted: 04/04/2023] [Indexed: 04/08/2023] Open
Abstract
Oxidative damage to plant proteins, lipids, and DNA caused by reactive oxygen species (ROS) has long been studied. The damaging effects of reactive carbonyl groups (glycation damage) to plant proteins and lipids have also been extensively studied, but only recently has glycation damage to the DNA in plant mitochondria and plastids been reported. Here, we review data on organellar DNA maintenance after damage from ROS and glycation. Our focus is maize, where tissues representing the entire range of leaf development are readily obtained, from slow-growing cells in the basal meristem, containing immature organelles with pristine DNA, to fast-growing leaf cells, containing mature organelles with highly-fragmented DNA. The relative contributions to DNA damage from oxidation and glycation are not known. However, the changing patterns of damage and damage-defense during leaf development indicate tight coordination of responses to oxidation and glycation events. Future efforts should be directed at the mechanism by which this coordination is achieved.
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Affiliation(s)
- Diwaker Tripathi
- Department of Biology, University of Washington, Seattle, WA 98195, USA
| | | | - Arnold J. Bendich
- Department of Biology, University of Washington, Seattle, WA 98195, USA
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14
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Amgalan B, Wojtowicz D, Kim YA, Przytycka TM. Influence network model uncovers relations between biological processes and mutational signatures. Genome Med 2023; 15:15. [PMID: 36879282 PMCID: PMC9987115 DOI: 10.1186/s13073-023-01162-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 02/08/2023] [Indexed: 03/08/2023] Open
Abstract
BACKGROUND There has been a growing appreciation recently that mutagenic processes can be studied through the lenses of mutational signatures, which represent characteristic mutation patterns attributed to individual mutagens. However, the causal links between mutagens and observed mutation patterns as well as other types of interactions between mutagenic processes and molecular pathways are not fully understood, limiting the utility of mutational signatures. METHODS To gain insights into these relationships, we developed a network-based method, named GENESIGNET that constructs an influence network among genes and mutational signatures. The approach leverages sparse partial correlation among other statistical techniques to uncover dominant influence relations between the activities of network nodes. RESULTS Applying GENESIGNET to cancer data sets, we uncovered important relations between mutational signatures and several cellular processes that can shed light on cancer-related processes. Our results are consistent with previous findings, such as the impact of homologous recombination deficiency on clustered APOBEC mutations in breast cancer. The network identified by GENESIGNET also suggest an interaction between APOBEC hypermutation and activation of regulatory T Cells (Tregs), as well as a relation between APOBEC mutations and changes in DNA conformation. GENESIGNET also exposed a possible link between the SBS8 signature of unknown etiology and the Nucleotide Excision Repair (NER) pathway. CONCLUSIONS GENESIGNET provides a new and powerful method to reveal the relation between mutational signatures and gene expression. The GENESIGNET method was implemented in python, and installable package, source codes and the data sets used for and generated during this study are available at the Github site https://github.com/ncbi/GeneSigNet.
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Affiliation(s)
- Bayarbaatar Amgalan
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, 8600 Rockville Pike, 20894, Bethesda, USA
| | - Damian Wojtowicz
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, 8600 Rockville Pike, 20894, Bethesda, USA.,Current address: Faculty of Mathematics, Informatics, and Mechanics, University of Warsaw, ul. Banacha 2, 02-097, Warszawa, Poland
| | - Yoo-Ah Kim
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, 8600 Rockville Pike, 20894, Bethesda, USA
| | - Teresa M Przytycka
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, 8600 Rockville Pike, 20894, Bethesda, USA.
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15
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Das C, Adhikari S, Bhattacharya A, Chakraborty S, Mondal P, Yadav SS, Adhikary S, Hunt CR, Yadav KK, Pandita S, Roy S, Tainer JA, Ahmed Z, Pandita TK. Epigenetic-Metabolic Interplay in the DNA Damage Response and Therapeutic Resistance of Breast Cancer. Cancer Res 2023; 83:657-666. [PMID: 36661847 DOI: 10.1158/0008-5472.can-22-3015] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/30/2022] [Accepted: 01/04/2023] [Indexed: 01/21/2023]
Abstract
Therapy resistance is imposing a daunting challenge on effective clinical management of breast cancer. Although the development of resistance to drugs is multifaceted, reprogramming of energy metabolism pathways is emerging as a central but heterogenous regulator of this therapeutic challenge. Metabolic heterogeneity in cancer cells is intricately associated with alterations of different signaling networks and activation of DNA damage response pathways. Here we consider how the dynamic metabolic milieu of cancer cells regulates their DNA damage repair ability to ultimately contribute to development of therapy resistance. Diverse epigenetic regulators are crucial in remodeling the metabolic landscape of cancer. This epigenetic-metabolic interplay profoundly affects genomic stability of the cancer cells as well as their resistance to genotoxic therapies. These observations identify defining mechanisms of cancer epigenetics-metabolism-DNA repair axis that can be critical for devising novel, targeted therapeutic approaches that could sensitize cancer cells to conventional treatment strategies.
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Affiliation(s)
- Chandrima Das
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata, India
- Homi Bhaba National Institute, Mumbai, India
| | - Swagata Adhikari
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata, India
- Homi Bhaba National Institute, Mumbai, India
| | - Apoorva Bhattacharya
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata, India
| | | | - Payel Mondal
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata, India
- Homi Bhaba National Institute, Mumbai, India
| | - Shalini S Yadav
- The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Santanu Adhikary
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata, India
- Structural Biology and Bioinformatics Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata, India
| | | | - Kamlesh K Yadav
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, Texas
| | - Shruti Pandita
- University of Texas Health San Antonio MD Anderson Cancer Center, San Antonio, Texas
| | - Siddhartha Roy
- Structural Biology and Bioinformatics Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata, India
| | - John A Tainer
- The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Zamal Ahmed
- The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Tej K Pandita
- Houston Methodist Research Institute, Houston, Texas
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, Texas
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16
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Rangsrikitphoti P, Marquez-Garban DC, Pietras RJ, McGowan E, Boonyaratanakornkit V. Sex steroid hormones and DNA repair regulation: Implications on cancer treatment responses. J Steroid Biochem Mol Biol 2023; 227:106230. [PMID: 36450315 DOI: 10.1016/j.jsbmb.2022.106230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 11/29/2022]
Abstract
The role of sex steroid hormones (SSHs) has been shown to modulate cancer cytotoxic treatment sensitivity. Dysregulation of DNA repair associated with genomic instability, abnormal cell survival and not only promotes cancer progression but also resistance to cancer treatment. The three major SSHs, androgen, estrogen, and progesterone, have been shown to interact with several essential DNA repair components. The presence of androgens directly regulates key molecules in DNA double-strand break (DSB) repair. Estrogen can promote cell proliferation and DNA repair, allowing cancer cells to tolerate chemotherapy and radiotherapy. Information on the role of progesterone in DNA repair is limited: progesterone interaction with some DNA repair components has been identified, but the biological significance is still unknown. Here, we review the roles of how each SSH affects DNA repair regulation and modulates response to genotoxic therapies and discuss future research that can be beneficial when combining SSHs with cancer therapy. We also provide preliminary analysis from publicly available databases defining the link between progesterone/PR and DDRs & DNA repair regulation that plausibly contribute to chemotherapy response and breast cancer patient survival.
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Affiliation(s)
- Pattarasiri Rangsrikitphoti
- Graduate Program in Clinical Biochemistry and Molecular Medicine and Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Diana C Marquez-Garban
- UCLA Jonsson Comprehensive Cancer and Department of Medicine, Division of Hematology-Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Richard J Pietras
- UCLA Jonsson Comprehensive Cancer and Department of Medicine, Division of Hematology-Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Eileen McGowan
- School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
| | - Viroj Boonyaratanakornkit
- Graduate Program in Clinical Biochemistry and Molecular Medicine and Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand; Age-related Inflammation and Degeneration Research Unit, Chulalongkorn University, Bangkok 10330, Thailand.
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17
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Ovejero-Sánchez M, González-Sarmiento R, Herrero AB. DNA Damage Response Alterations in Ovarian Cancer: From Molecular Mechanisms to Therapeutic Opportunities. Cancers (Basel) 2023; 15:448. [PMID: 36672401 PMCID: PMC9856346 DOI: 10.3390/cancers15020448] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/12/2023] Open
Abstract
The DNA damage response (DDR), a set of signaling pathways for DNA damage detection and repair, maintains genomic stability when cells are exposed to endogenous or exogenous DNA-damaging agents. Alterations in these pathways are strongly associated with cancer development, including ovarian cancer (OC), the most lethal gynecologic malignancy. In OC, failures in the DDR have been related not only to the onset but also to progression and chemoresistance. It is known that approximately half of the most frequent subtype, high-grade serous carcinoma (HGSC), exhibit defects in DNA double-strand break (DSB) repair by homologous recombination (HR), and current evidence indicates that probably all HGSCs harbor a defect in at least one DDR pathway. These defects are not restricted to HGSCs; mutations in ARID1A, which are present in 30% of endometrioid OCs and 50% of clear cell (CC) carcinomas, have also been found to confer deficiencies in DNA repair. Moreover, DDR alterations have been described in a variable percentage of the different OC subtypes. Here, we overview the main DNA repair pathways involved in the maintenance of genome stability and their deregulation in OC. We also recapitulate the preclinical and clinical data supporting the potential of targeting the DDR to fight the disease.
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Affiliation(s)
- María Ovejero-Sánchez
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
- Molecular Medicine Unit, Department of Medicine, University of Salamanca, 37007 Salamanca, Spain
- Institute of Molecular and Cellular Biology of Cancer (IBMCC), University of Salamanca-Spanish National Research Council, 37007 Salamanca, Spain
| | - Rogelio González-Sarmiento
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
- Molecular Medicine Unit, Department of Medicine, University of Salamanca, 37007 Salamanca, Spain
- Institute of Molecular and Cellular Biology of Cancer (IBMCC), University of Salamanca-Spanish National Research Council, 37007 Salamanca, Spain
| | - Ana Belén Herrero
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
- Molecular Medicine Unit, Department of Medicine, University of Salamanca, 37007 Salamanca, Spain
- Institute of Molecular and Cellular Biology of Cancer (IBMCC), University of Salamanca-Spanish National Research Council, 37007 Salamanca, Spain
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18
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Correia-Melo C, Kamrad S, Tengölics R, Messner CB, Trebulle P, Townsend S, Jayasree Varma S, Freiwald A, Heineike BM, Campbell K, Herrera-Dominguez L, Kaur Aulakh S, Szyrwiel L, Yu JSL, Zelezniak A, Demichev V, Mülleder M, Papp B, Alam MT, Ralser M. Cell-cell metabolite exchange creates a pro-survival metabolic environment that extends lifespan. Cell 2023; 186:63-79.e21. [PMID: 36608659 DOI: 10.1016/j.cell.2022.12.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 09/07/2022] [Accepted: 12/05/2022] [Indexed: 01/07/2023]
Abstract
Metabolism is deeply intertwined with aging. Effects of metabolic interventions on aging have been explained with intracellular metabolism, growth control, and signaling. Studying chronological aging in yeast, we reveal a so far overlooked metabolic property that influences aging via the exchange of metabolites. We observed that metabolites exported by young cells are re-imported by chronologically aging cells, resulting in cross-generational metabolic interactions. Then, we used self-establishing metabolically cooperating communities (SeMeCo) as a tool to increase metabolite exchange and observed significant lifespan extensions. The longevity of the SeMeCo was attributable to metabolic reconfigurations in methionine consumer cells. These obtained a more glycolytic metabolism and increased the export of protective metabolites that in turn extended the lifespan of cells that supplied them with methionine. Our results establish metabolite exchange interactions as a determinant of cellular aging and show that metabolically cooperating cells can shape the metabolic environment to extend their lifespan.
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Affiliation(s)
- Clara Correia-Melo
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Department of Biochemistry, University of Cambridge, Cambridge CB2 1QW, UK; Department of Biochemistry, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany.
| | - Stephan Kamrad
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Roland Tengölics
- Synthetic and Systems Biology Unit, Institute of Biochemistry, Biological Research Centre, Eötvös Loránd Research Network, Szeged 6726, Hungary; HCEMM-BRC Metabolic Systems Biology Lab, Szeged 6726, Hungary
| | - Christoph B Messner
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Precision Proteomics Center, Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos, Switzerland
| | - Pauline Trebulle
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; The Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK
| | - StJohn Townsend
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Department of Biochemistry, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany
| | | | - Anja Freiwald
- Department of Biochemistry, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany; Core Facility - High Throughput Mass Spectrometry, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Benjamin M Heineike
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; The Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK; Quantitative Gene Expression Research Group, MRC London Institute of Medical Sciences (LMS), London W12 0HS, UK; Quantitative Gene Expression Research Group, Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, London SW2 2AZ, UK
| | - Kate Campbell
- Department of Biochemistry, University of Cambridge, Cambridge CB2 1QW, UK
| | - Lucía Herrera-Dominguez
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Simran Kaur Aulakh
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; The Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK
| | - Lukasz Szyrwiel
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Department of Biochemistry, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Jason S L Yu
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Aleksej Zelezniak
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden; Randall Centre for Cell & Molecular Biophysics, King's College London, New Hunt's House, Guy's Campus, London SE1 1UL, UK; Institute of Biotechnology, Life Sciences Center, Vilnius University, Vilnius 10257, Lithuania
| | - Vadim Demichev
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Department of Biochemistry, University of Cambridge, Cambridge CB2 1QW, UK; Department of Biochemistry, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Michael Mülleder
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Department of Biochemistry, University of Cambridge, Cambridge CB2 1QW, UK; Core Facility - High Throughput Mass Spectrometry, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Balázs Papp
- Synthetic and Systems Biology Unit, Institute of Biochemistry, Biological Research Centre, Eötvös Loránd Research Network, Szeged 6726, Hungary; HCEMM-BRC Metabolic Systems Biology Lab, Szeged 6726, Hungary
| | - Mohammad Tauqeer Alam
- Department of Biology, College of Science, United Arab Emirates University, P.O.Box 15551, Al-Ain, United Arab Emirates
| | - Markus Ralser
- The Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Department of Biochemistry, University of Cambridge, Cambridge CB2 1QW, UK; Department of Biochemistry, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany; The Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK.
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19
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Chowdhury SG, Misra S, Karmakar P. Understanding the Impact of Obesity on Ageing in the Radiance of DNA Metabolism. J Nutr Health Aging 2023; 27:314-328. [PMID: 37248755 DOI: 10.1007/s12603-023-1912-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 03/22/2023] [Indexed: 05/31/2023]
Abstract
Ageing is a multi-factorial phenomenon which is considered as a major risk factor for the development of neurodegeneration, osteoporosis, cardiovascular disease, dementia, cancer, and other chronic diseases. Phenotypically, ageing is related with a combination of molecular, cellular, and physiological levels like genomic and epi-genomic alterations, loss of proteostasis, deregulation of cellular and subcellular function and mitochondrial dysfunction. Though, no single molecular mechanism accounts for the functional decline of different organ systems in older humans but accumulation of DNA damage or mutations is a dominant theory which contributes largely to the development of ageing and age-related diseases. However, mechanistic, and hierarchical order of these features of ageing has not been clarified yet. Scientific community now focus on the effect of obesity on accelerated ageing process. Obesity is a complex chronic disease that affects multiple organs and tissues. It can not only lead to various health conditions such as diabetes, cancer, and cardiovascular disease but also can decrease life expectancy which shows similar phenotype of ageing. Higher loads of DNA damage were also observed in the genome of obese people. Thus, inability of DNA damage repair may contribute to both ageing and obesity apart from cancer predisposition. The present review emphasizes on the involvement of molecular phenomenon of DNA metabolism in development of obesity and how it accelerates ageing in mammals.
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Affiliation(s)
- S G Chowdhury
- Parimal Karmakar, Department of Life Science and Biotechnology, Jadavpur University, Kolkata-700032, India.
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20
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Ginsenoside Rh2 sensitizes the anti-cancer effects of sunitinib by inducing cell cycle arrest in renal cell carcinoma. Sci Rep 2022; 12:19752. [PMID: 36396667 PMCID: PMC9672391 DOI: 10.1038/s41598-022-20075-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 09/08/2022] [Indexed: 11/18/2022] Open
Abstract
Sunitinib, a VEGF blockade, is used to treat clear cell renal cell carcinoma (ccRCC). However, the anti-cancer treatment effects of sunitinib do not last long in ccRCC patients. Ginsenoside, a natural medicine extracted from ginseng, has been studied in cancer treatment and shown to have anti-tumor effects and low toxicity. We assessed cell viability and cell cycle analysis in ccRCC cell lines after treatment with ginsenoside and sunitinib. DNA damage was evaluated by measuring 8-OHdG levels and comet assay. ROS levels, reflecting the cause of oxidative stress, were also measured. Ginsenoside significantly enhanced the inhibition of cell viability by sunitinib, a result that was also confirmed in the xenograft model. In cell cycle analysis, combination treatment of ginsenoside and sunitinib enhanced G2M arrest in comparison with single-treatment groups. In addition, DNA damage was increased by ginsenoside and sunitinib according to the comet assay, and the level of 8-OHdG, which reflects oxidative DNA damage, also increased. We verified that ginsenoside enhances the efficacy of sunitinib to inhibit the proliferation of ccRCC cells via induction of oxidative DNA damage. The combination therapy of sunitinib and ginsenoside suggested the possibility of effectively treating ccRCC patients.
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21
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Nagpal I, Yuan ZM. p53-mediated metabolic response to low doses of ionizing radiation. Int J Radiat Biol 2022; 99:934-940. [DOI: 10.1080/09553002.2022.2142983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Isha Nagpal
- John B. Little Center for Radiation Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Zhi-Min Yuan
- John B. Little Center for Radiation Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA
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22
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Schwab N, Taskina D, Leung E, Innes BT, Bader GD, Hazrati LN. Neurons and glial cells acquire a senescent signature after repeated mild traumatic brain injury in a sex-dependent manner. Front Neurosci 2022; 16:1027116. [PMID: 36408415 PMCID: PMC9669743 DOI: 10.3389/fnins.2022.1027116] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 09/23/2022] [Indexed: 08/15/2023] Open
Abstract
Mild traumatic brain injury (mTBI) is an important public health issue, as it can lead to long-term neurological symptoms and risk of neurodegenerative disease. The pathophysiological mechanisms driving this remain unclear, and currently there are no effective therapies for mTBI. In this study on repeated mTBI (rmTBI), we have induced three mild closed-skull injuries or sham procedures, separated by 24 h, in C57BL/6 mice. We show that rmTBI mice have prolonged righting reflexes and astrogliosis, with neurological impairment in the Morris water maze (MWM) and the light dark test. Cortical and hippocampal tissue analysis revealed DNA damage in the form of double-strand breaks, oxidative damage, and R-loops, markers of cellular senescence including p16 and p21, and signaling mediated by the cGAS-STING pathway. This study identified novel sex differences after rmTBI in mice. Although these markers were all increased by rmTBI in both sexes, females had higher levels of DNA damage, lower levels of the senescence protein p16, and lower levels of cGAS-STING signaling proteins compared to their male counterparts. Single-cell RNA sequencing of the male rmTBI mouse brain revealed activation of the DNA damage response, evidence of cellular senescence, and pro-inflammatory markers reminiscent of the senescence-associated secretory phenotype (SASP) in neurons and glial cells. Cell-type specific changes were also present with evidence of brain immune activation, neurotransmission alterations in both excitatory and inhibitory neurons, and vascular dysfunction. Treatment of injured mice with the senolytic drug ABT263 significantly reduced markers of senescence only in males, but was not therapeutic in females. The reduction of senescence by ABT263 in male mice was accompanied by significantly improved performance in the MWM. This study provides compelling evidence that senescence contributes to brain dysfunction after rmTBI, but may do so in a sex-dependent manner.
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Affiliation(s)
- Nicole Schwab
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
| | - Daria Taskina
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
| | - Emily Leung
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
| | - Brendan T. Innes
- The Donnelly Centre, University of Toronto, Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Gary D. Bader
- The Donnelly Centre, University of Toronto, Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Lili-Naz Hazrati
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
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23
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Zhang B, Thorne RF, Zhang P, Wu M, Liu L. Vanguard is a Glucose Deprivation-Responsive Long Non-Coding RNA Essential for Chromatin Remodeling-Reliant DNA Repair. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201210. [PMID: 36047643 PMCID: PMC9596831 DOI: 10.1002/advs.202201210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 07/29/2022] [Indexed: 06/15/2023]
Abstract
Glucose metabolism contributes to DNA damage response pathways by regulating chromatin remodeling, double-strand break (DSB) repair, and redox homeostasis, although the underlying mechanisms are not fully established. Here, a previously uncharacterized long non-coding RNA is revealed that is call Vanguard which acts to promote HMGB1-dependent DNA repair in association with changes in global chromatin accessibility. Vanguard expression is maintained in cancer cells by SP1-dependent transcription according to glucose availability and cellular adenosine triphosphate (ATP) levels. Vanguard promotes complex formation between HMGB1 and HDAC1, with the resulting deacetylation of HMGB1 serving to maintain its nuclear localization and DSB repair function. However, Vanguard downregulation under glucose limiting conditions promotes HMGB1 translocation from the nucleus, increasing DNA damage, and compromising cancer cell growth and viability. Moreover, Vanguard silencing increases the effectiveness of poly (ADP-ribose) polymerase inhibitors against breast cancer cells with wild-type breast cancer gene-1 status, suggesting Vanguard as a potential therapeutic target.
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Affiliation(s)
- Ben Zhang
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui230001China
| | - Rick Francis Thorne
- Henan Provincial and Zhengzhou City Key laboratory of Non‐coding RNA and Cancer MetabolismHenan International Join Laboratory of Non‐coding RNA and Metabolism in CancerPeople's Hospital of Zhengzhou UniversityAcademy of Medical SciencesZhengzhou UniversityZhengzhouHenan450053China
| | - Pengfei Zhang
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui230001China
- The Cancer Hospital of the University of Chinese Academy of SciencesInstitute of Basic Medicine and Cancer (IBMC)Chinese Academy of SciencesHangzhouZhejiang310022China
| | - Mian Wu
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui230001China
- Henan Provincial and Zhengzhou City Key laboratory of Non‐coding RNA and Cancer MetabolismHenan International Join Laboratory of Non‐coding RNA and Metabolism in CancerPeople's Hospital of Zhengzhou UniversityAcademy of Medical SciencesZhengzhou UniversityZhengzhouHenan450053China
| | - Lianxin Liu
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui230001China
- Anhui Province Key Laboratory of Hepatopancreatobiliary SurgeryThe First Affiliated Hospital of USTCHefeiAnhui230001China
- Anhui Provincial Clinical Research Center for Hepatobiliary DiseasesThe First Affiliated Hospital of USTCHefeiAnhui230001China
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24
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Rushing BR, Tilley S, Molina S, Schroder M, Sumner S. Commonalities in Metabolic Reprogramming between Tobacco Use and Oral Cancer. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:10261. [PMID: 36011897 PMCID: PMC9408724 DOI: 10.3390/ijerph191610261] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/09/2022] [Accepted: 08/13/2022] [Indexed: 06/15/2023]
Abstract
Tobacco use is a major public health concern and is linked to myriad diseases, including cancer. The link between tobacco use and oral cancer, specifically, is very strong, making tobacco use one of the primary risk factors for oral cancer. While this association is well known, the underlying biochemical changes that result from tobacco use, and how this links to metabolic phenotypes of oral cancer, is not well understood. To address this knowledge gap, a combination of literature reviews and metabolomics studies were performed to identify commonalities in metabolic perturbations between tobacco use and oral cancers. Metabolomics analysis was performed on pooled reference urine from smokers and non-smokers, healthy and malignant oral tissues, and cultured oral cells with or without treatment of the well-known tobacco carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK). Alterations in amino acid metabolism, carbohydrates/oxidative phosphorylation, fatty acid oxidation, nucleotide metabolism, steroid metabolism, and vitamin metabolism were found to be shared between tobacco use and oral cancer. These results support the conclusion that tobacco use metabolically reprograms oral cells to support malignant transformation through these pathways. These metabolic reprogramming events may be potential targets to prevent or treat oral cancers that arise from tobacco use.
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Affiliation(s)
- Blake R. Rushing
- Department of Nutrition, University of North Carolina at Chapel Hill, Durham, NC 27599, USA
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC 28081, USA
| | - Spencer Tilley
- Department of Nutrition, University of North Carolina at Chapel Hill, Durham, NC 27599, USA
| | - Sabrina Molina
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC 28081, USA
| | - Madison Schroder
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC 28081, USA
| | - Susan Sumner
- Department of Nutrition, University of North Carolina at Chapel Hill, Durham, NC 27599, USA
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC 28081, USA
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25
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Matsuzaki K, Kumatoriya K, Tando M, Kometani T, Shinohara M. Polyphenols from persimmon fruit attenuate acetaldehyde-induced DNA double-strand breaks by scavenging acetaldehyde. Sci Rep 2022; 12:10300. [PMID: 35717470 PMCID: PMC9206672 DOI: 10.1038/s41598-022-14374-9] [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: 02/28/2022] [Accepted: 06/06/2022] [Indexed: 11/09/2022] Open
Abstract
Acetaldehyde, a metabolic product of ethanol, induces DNA damage and genome instability. Accumulation of acetaldehyde due to alcohol consumption or aldehyde dehydrogenase (ALDH2) deficiency increases the risks of various types of cancers, including esophageal cancer. Although acetaldehyde chemically induces DNA adducts, the repair process of the lesions remains unclear. To investigate the mechanism of repair of acetaldehyde-induced DNA damage, we determined the repair pathway using siRNA knockdown and immunofluorescence assays of repair factors. Herein, we report that acetaldehyde induces DNA double-strand breaks (DSBs) in human U2OS cells and that both DSB repair pathways, non-homologous end-joining (NHEJ) and homology-directed repair (HDR), are required for the repair of acetaldehyde-induced DNA damage. Our findings suggest that acetaldehyde-induced DNA adducts are converted into DSBs and repaired via NHEJ or HDR in human cells. To reduce the risk of acetaldehyde-associated carcinogenesis, we investigated potential strategies of reducing acetaldehyde-induced DNA damage. We report that polyphenols extracted from persimmon fruits and epigallocatechin, a major component of persimmon polyphenols, attenuate acetaldehyde-induced DNA damage without affecting the repair kinetics. The data suggest that persimmon polyphenols suppress DSB formation by scavenging acetaldehyde. Persimmon polyphenols can potentially inhibit carcinogenesis following alcohol consumption.
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Affiliation(s)
- Kenichiro Matsuzaki
- Department of Advanced Bioscience, Graduate School of Agriculture, Kindai University, 3327-204 Nakamachi, Nara City, Nara, 631-8505, Japan.
| | - Kenji Kumatoriya
- Department of Advanced Bioscience, Graduate School of Agriculture, Kindai University, 3327-204 Nakamachi, Nara City, Nara, 631-8505, Japan
| | - Mizuki Tando
- Department of Advanced Bioscience, Graduate School of Agriculture, Kindai University, 3327-204 Nakamachi, Nara City, Nara, 631-8505, Japan
| | - Takashi Kometani
- Department of Food Science and Nutrition, Faculty of Agriculture, Kindai University, 3327-204 Nakamachi, Nara City, Nara, 631-8505, Japan.,Pharma Foods International, Co., Ltd., 1-49 Goryo-Ohara, Nishikyo-ku, Kyoto, 615-8245, Japan
| | - Miki Shinohara
- Department of Advanced Bioscience, Graduate School of Agriculture, Kindai University, 3327-204 Nakamachi, Nara City, Nara, 631-8505, Japan.,Agricultural Technology and Innovation Research Institute, Kindai University, 3327-204 Nakamachi, Nara City, Nara, 631-8505, Japan
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26
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Gazo I, Naraine R, Lebeda I, Tomčala A, Dietrich M, Franěk R, Pšenička M, Šindelka R. Transcriptome and Proteome Analyses Reveal Stage-Specific DNA Damage Response in Embryos of Sturgeon ( Acipenser ruthenus). Int J Mol Sci 2022; 23:ijms23126392. [PMID: 35742841 PMCID: PMC9223696 DOI: 10.3390/ijms23126392] [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: 04/12/2022] [Revised: 06/03/2022] [Accepted: 06/03/2022] [Indexed: 11/27/2022] Open
Abstract
DNA damage during early life stages may have a negative effect on embryo development, inducing mortality and malformations that have long-lasting effects during adult life. Therefore, in the current study, we analyzed the effect of DNA damage induced by genotoxicants (camptothecin (CPT) and olaparib) at different stages of embryo development. The survival, DNA fragmentation, transcriptome, and proteome of the endangered sturgeon Acipenser ruthenus were analyzed. Sturgeons are non-model fish species that can provide new insights into the DNA damage response and embryo development. The transcriptomic and proteomic patterns changed significantly after exposure to genotoxicants in a stage-dependent manner. The results of this study indicate a correlation between phenotype formation and changes in transcriptomic and proteomic profiles. CPT and olaparib downregulated oxidative phosphorylation and metabolic pathways, and upregulated pathways involved in nucleotide excision repair, base excision repair, and homologous recombination. We observed the upregulated expression of zona pellucida sperm-binding proteins in all treatment groups, as well as the upregulation of several glycolytic enzymes. The analysis of gene expression revealed several markers of DNA damage response and adaptive stress response, which could be applied in toxicological studies on fish embryos. This study is the first complex analysis of the DNA damage response in endangered sturgeons.
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Affiliation(s)
- Ievgeniia Gazo
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Zátiší 728/II, 389 25 Vodňany, Czech Republic; (I.L.); (R.F.); (M.P.)
- Correspondence: ; Tel.: +420-38777-4607
| | - Ravindra Naraine
- Laboratory of Gene Expression, Institute of Biotechnology—Biocev, Academy of Science of Czech Republic, 252 50 Vestec, Czech Republic; (R.N.); (R.Š.)
| | - Ievgen Lebeda
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Zátiší 728/II, 389 25 Vodňany, Czech Republic; (I.L.); (R.F.); (M.P.)
| | - Aleš Tomčala
- Institute of Aquaculture and Protection of Waters, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Husova tř. 458/102, 370 05 České Budějovice, Czech Republic;
| | - Mariola Dietrich
- Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland;
| | - Roman Franěk
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Zátiší 728/II, 389 25 Vodňany, Czech Republic; (I.L.); (R.F.); (M.P.)
| | - Martin Pšenička
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Zátiší 728/II, 389 25 Vodňany, Czech Republic; (I.L.); (R.F.); (M.P.)
| | - Radek Šindelka
- Laboratory of Gene Expression, Institute of Biotechnology—Biocev, Academy of Science of Czech Republic, 252 50 Vestec, Czech Republic; (R.N.); (R.Š.)
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27
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Wilson KA, Jeong YER, Wetmore SD. Multiscale computational investigations of the translesion synthesis bypass of tobacco-derived DNA adducts: critical insights that complement experimental biochemical studies. Phys Chem Chem Phys 2022; 24:10667-10683. [PMID: 35502640 DOI: 10.1039/d2cp00481j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Among the numerous agents that damage DNA, tobacco products remain one of the most lethal and result in the most diverse set of DNA lesions. This perspective aims to provide an overview of computational work conducted to complement experimental biochemical studies on the mutagenicity of adducts derived from the most potent tobacco carcinogen, namely 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (nicotine-derived nitrosaminoketone or NNK). Lesions ranging from the smallest methylated thymine derivatives to the larger, flexible pyridyloxobutyl (POB) guanine adducts are considered. Insights are obtained from density functional theory (DFT) calculations and molecular dynamics (MD) simulations into the damaged nucleobase and nucleoside structures, the accommodation of the lesions in the active site of key human polymerases, the intrinsic base pairing potentials of the adducts, and dNTP incorporation opposite the lesions. Overall, the computational data provide atomic level information that can rationalize the differential mutagenic properties of tobacco-derived lesions and uncover important insights into the impact of adduct size, nucleobase, position, and chemical composition of the bulky moiety.
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Affiliation(s)
- Katie A Wilson
- Department of Chemistry and Biochemistry, Alberta RNA Research and Training Institute (ARRTI) and Southern Alberta Genome Sciences Center (SAGSC), University of Lethbridge, 4401 University Drive West, Lethbridge, Alberta, T1K 3M4, Canada.
| | - Ye Eun Rebecca Jeong
- Department of Chemistry and Biochemistry, Alberta RNA Research and Training Institute (ARRTI) and Southern Alberta Genome Sciences Center (SAGSC), University of Lethbridge, 4401 University Drive West, Lethbridge, Alberta, T1K 3M4, Canada.
| | - Stacey D Wetmore
- Department of Chemistry and Biochemistry, Alberta RNA Research and Training Institute (ARRTI) and Southern Alberta Genome Sciences Center (SAGSC), University of Lethbridge, 4401 University Drive West, Lethbridge, Alberta, T1K 3M4, Canada.
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28
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Effects of Purple Corn Anthocyanin on Growth Performance, Meat Quality, Muscle Antioxidant Status, and Fatty Acid Profiles in Goats. Foods 2022; 11:foods11091255. [PMID: 35563978 PMCID: PMC9102689 DOI: 10.3390/foods11091255] [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: 04/04/2022] [Revised: 04/23/2022] [Accepted: 04/25/2022] [Indexed: 02/06/2023] Open
Abstract
This study was conducted to examine the effect of purple corn anthocyanin on performance, meat quality, muscle antioxidant activity, antioxidant gene expression, and fatty acid profiles in goats. The feeding trial period lasted 74 d. The adaptation period was 14 d, and the formal experimental period was 60 d. Eighteen Qianbei-pockmarked goats (Guizhou native goat breed; body weight, 21.38 ± 1.61 kg; mean ± standard deviation) were randomly allotted into three equal groups, including a control with no purple corn pigment (PCP) and groups receiving either 0.5 g/d PCP or 1.0 g/d PCP. The inclusion of PCP did not affect (p > 0.05) the dry matter intake, average daily gain, or feed conversion ratio compared to the control group. The addition of PCP reduced (p < 0.05) shear force in the longissimus thoracis et lumborum muscle (LTL) during the growth phase of the goats. Goats receiving PCP showed higher (p < 0.05) levels of reduced glutathione, 2,2-diphenyl-1-picrylhydrazyl scavenging activity and peroxidase in LTL compared to the control. Moreover, compared to the control, the PCP group displayed lower (p < 0.05) concentrations of 12:0, C16:0, and total saturated fatty acids, but increased (p < 0.05) concentrations of various unsaturated fatty acids, including C18:1n9, C20:3n6, C20:4n6, C18:2n6 cis, C20:3n6, C22:5n3, C22:6n3, and total polyunsaturated fatty acids (PUFAs). The abundance of nuclear factor, erythroid 2 like 2, superoxide dismutase 1, glutathione peroxidase 1, and catalase was upregulated (p < 0.05) in the LTL of goats receiving 0.5 g/d PCP in comparison to the other groups. Collectively, result of the current study indicated that PCP anthocyanin could be used as a source of natural functional additive because anthocyanin-rich PCP has the potential to improve meat quality and enhance muscle antioxidant status as well as improve the proportions of PUFAs in goat muscle.
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29
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Chang YC, Chang PMH, Li CH, Chan MH, Lee YJ, Chen MH, Hsiao M. Aldolase A and Phospholipase D1 Synergistically Resist Alkylating Agents and Radiation in Lung Cancer. Front Oncol 2022; 11:811635. [PMID: 35127525 PMCID: PMC8813753 DOI: 10.3389/fonc.2021.811635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/27/2021] [Indexed: 11/13/2022] Open
Abstract
Exposure to alkylating agents and radiation may cause damage and apoptosis in cancer cells. Meanwhile, this exposure involves resistance and leads to metabolic reprogramming to benefit cancer cells. At present, the detailed mechanism is still unclear. Based on the profiles of several transcriptomes, we found that the activity of phospholipase D (PLD) and the production of specific metabolites are related to these events. Comparing several particular inhibitors, we determined that phospholipase D1 (PLD1) plays a dominant role over other PLD members. Using the existing metabolomics platform, we demonstrated that lysophosphatidylethanolamine (LPE) and lysophosphatidylcholine (LPC) are the most critical metabolites, and are highly dependent on aldolase A (ALDOA). We further demonstrated that ALDOA could modulate total PLD enzyme activity and phosphatidic acid products. Particularly after exposure to alkylating agents and radiation, the proliferation of lung cancer cells, autophagy, and DNA repair capabilities are enhanced. The above phenotypes are closely related to the performance of the ALDOA/PLD1 axis. Moreover, we found that ALDOA inhibited PLD2 activity and enzyme function through direct protein–protein interaction (PPI) with PLD2 to enhance PLD1 and additional carcinogenic features. Most importantly, the combination of ALDOA and PLD1 can be used as an independent prognostic factor and is correlated with several clinical parameters in lung cancer. These findings indicate that, based on the PPI status between ALDOA and PLD2, a combination of radiation and/or alkylating agents with regulating ALDOA-PLD1 may be considered as a new lung cancer treatment option.
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Affiliation(s)
- Yu-Chan Chang
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Peter Mu-Hsin Chang
- Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
- Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Biopharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chien-Hsiu Li
- Genomics Research Center, Academia Sinica, Taipei, Taiwan
| | | | - Yi-Jang Lee
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Ming-Huang Chen
- Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Center of Immuno-Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Michael Hsiao
- Genomics Research Center, Academia Sinica, Taipei, Taiwan
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- *Correspondence: Michael Hsiao,
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30
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Farhana A, Koh AEH, Ling Mok P, Alsrhani A, Khan YS, Subbiah SK. Camptothecin Encapsulated in β-Cyclodextrin-EDTA-Fe 3O 4 Nanoparticles Induce Metabolic Reprogramming Repair in HT29 Cancer Cells through Epigenetic Modulation: A Bioinformatics Approach. NANOMATERIALS 2021; 11:nano11123163. [PMID: 34947512 PMCID: PMC8705212 DOI: 10.3390/nano11123163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/25/2021] [Accepted: 09/28/2021] [Indexed: 11/16/2022]
Abstract
Cancer progresses through a distinctive reprogramming of metabolic pathways directed by genetic and epigenetic modifications. The hardwired changes induced by genetic mutations are resilient, while epigenetic modifications are softwired and more vulnerable to therapeutic intervention. Colon cancer is no different. This gives us the need to explore the mechanism as an attractive therapeutic target to combat colon cancer cells. We have previously established the enhanced therapeutic efficacy of a newly formulated camptothecin encapsulated in β-cyclodextrin-EDTA-Fe3O4 nanoparticles (CPT-CEF) in colon cancer cells. We furthered this study by carrying out RNA sequencing (RNA-seq) to underscore specific regulatory signatures in the CPT-CEF treated versus untreated HT29 cells. In the study, we identified 95 upregulated and 146 downregulated genes spanning cellular components and molecular and metabolic functions. We carried out extensive bioinformatics analysis to harness genes potentially involved in epigenetic modulation as either the cause or effect of metabolic rewiring exerted by CPT-CEF. Significant downregulation of 13 genes involved in the epigenetic modulation and 40 genes from core metabolism was identified. Three genes, namely, DNMT-1, POLE3, and PKM-2, were identified as the regulatory overlap between epigenetic drivers and metabolic reprogramming in HT29 cells. Based on our results, we propose a possible mechanism that intercepts the two functional axes, namely epigenetic control, and metabolic modulation via CPT-CEF in colon cancer cells, which could skew cancer-induced metabolic deregulation towards metabolic repair. Thus, the study provides avenues for further validation of transcriptomic changes affected by these deregulated genes at epigenetic level, and ultimately may be harnessed as targets for regenerating normal metabolism in colon cancer with better treatment potential, thereby providing new avenues for colon cancer therapy.
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Affiliation(s)
- Aisha Farhana
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia; (P.L.M.); (A.A.)
- Correspondence: (A.F.); (S.K.S.)
| | - Avin Ee-Hwan Koh
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia;
| | - Pooi Ling Mok
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia; (P.L.M.); (A.A.)
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia;
| | - Abdullah Alsrhani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia; (P.L.M.); (A.A.)
| | - Yusuf Saleem Khan
- Department of Anatomy, College of Medicine, Jouf University, Sakaka 72388, Saudi Arabia;
| | - Suresh Kumar Subbiah
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
- Centre for Materials Engineering and Regenerative Medicine, Bharath Institute of Higher Education and Research, Bharath University, Selaiyur, Chennai 600073, India
- Institute of Bioscience, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
- Correspondence: (A.F.); (S.K.S.)
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31
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Zhao PF, Liu ZQ. Attaching a Dipeptide to Fullerene as an Antioxidant Hybrid against DNA Oxidation. Chem Res Toxicol 2021; 34:2366-2374. [PMID: 34672520 DOI: 10.1021/acs.chemrestox.1c00283] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Emerging evidence has revealed that oxidative damages of DNA correlate with the pathogenesis of some diseases, and numerous investigations have also suggested that supplementation of antioxidants is beneficial for keeping health by rectifying in vivo redox status. Here, we construct antioxidative dipeptides with the Ugi four-component reaction (comprising p-aminobenzyl alcohol, benzaldehyde, or vanillin, a series of antioxidative carboxylic acids and isocyanides as reagents) and then attempt to attach the dipeptides to [60]fullerene by the Bingel reaction. However, this endeavor does not lead to the amelioration of the radical-scavenging property because abilities of fullerenyl dipeptides to trap 2,2'-diphenyl-1-picrylhydrazyl and galvinoxyl radicals are still dependent upon the phenolic hydroxyl group in the dipeptide scaffold rather than upon the fullerenyl group. Alternatively, when the obtained fullerenyl dipeptides are evaluated in a peroxyl radical-induced oxidation of DNA, it is found that introducing a fullerene moiety into dipeptide enables antioxidative effect to be enhanced 20-30% because the fullerene moiety facilitates the corresponding dipeptide to intercalate with DNA strands, and thus, to increase the antioxidative efficacy. Our results suggest that connecting an antioxidative skeleton with the hydrophobic fullerene moiety might lead to a series of novel antioxidant hybrids applied for the inhibition of DNA oxidation.
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Affiliation(s)
- Peng-Fei Zhao
- Department of Organic Chemistry, College of Chemistry, Jilin University, Changchun 130021, People's Republic of China
| | - Zai-Qun Liu
- Department of Organic Chemistry, College of Chemistry, Jilin University, Changchun 130021, People's Republic of China
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32
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Manolakou T, Verginis P, Boumpas DT. DNA Damage Response in the Adaptive Arm of the Immune System: Implications for Autoimmunity. Int J Mol Sci 2021; 22:ijms22115842. [PMID: 34072535 PMCID: PMC8198144 DOI: 10.3390/ijms22115842] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 12/25/2022] Open
Abstract
In complex environments, cells have developed molecular responses to confront threats against the genome and achieve the maintenance of genomic stability assuring the transfer of undamaged DNA to their progeny. DNA damage response (DDR) mechanisms may be activated upon genotoxic or environmental agents, such as cytotoxic drugs or ultraviolet (UV) light, and during physiological processes requiring DNA transactions, to restore DNA alterations that may cause cellular malfunction and affect viability. In addition to the DDR, multicellular organisms have evolved specialized immune cells to respond and defend against infections. Both adaptive and innate immune cells are subjected to DDR processes, either as a prerequisite to the immune response, or as a result of random endogenous and exogenous insults. Aberrant DDR activities have been extensively studied in the immune cells of the innate arm, but not in adaptive immune cells. Here, we discuss how the aberrant DDR may lead to autoimmunity, with emphasis on the adaptive immune cells and the potential of therapeutic targeting.
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Affiliation(s)
- Theodora Manolakou
- Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, 115 27 Athens, Greece;
- School of Medicine, National and Kapodistrian University of Athens, 115 27 Athens, Greece
- Correspondence:
| | - Panayotis Verginis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology, 700 13 Heraklion, Greece;
- Laboratory of Immune Regulation and Tolerance, Division of Basic Sciences, University of Crete Medical School, 700 13 Heraklion, Greece
| | - Dimitrios T. Boumpas
- Center for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, 115 27 Athens, Greece;
- Joint Rheumatology Program, 4th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens Medical School, 124 62 Athens, Greece
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Cattenoz PB, Monticelli S, Pavlidaki A, Giangrande A. Toward a Consensus in the Repertoire of Hemocytes Identified in Drosophila. Front Cell Dev Biol 2021; 9:643712. [PMID: 33748138 PMCID: PMC7969988 DOI: 10.3389/fcell.2021.643712] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/12/2021] [Indexed: 01/16/2023] Open
Abstract
The catalog of the Drosophila immune cells was until recently limited to three major cell types, based on morphology, function and few molecular markers. Three recent single cell studies highlight the presence of several subgroups, revealing a large diversity in the molecular signature of the larval immune cells. Since these studies rely on somewhat different experimental and analytical approaches, we here compare the datasets and identify eight common, robust subgroups associated to distinct functions such as proliferation, immune response, phagocytosis or secretion. Similar comparative analyses with datasets from different stages and tissues disclose the presence of larval immune cells resembling embryonic hemocyte progenitors and the expression of specific properties in larval immune cells associated with peripheral tissues.
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Affiliation(s)
- Pierre B. Cattenoz
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
- Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France
- Institut National de la Santé et de la Recherche Médicale, U1258, Illkirch, France
- Université de Strasbourg, Illkirch, France
| | - Sara Monticelli
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
- Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France
- Institut National de la Santé et de la Recherche Médicale, U1258, Illkirch, France
- Université de Strasbourg, Illkirch, France
| | - Alexia Pavlidaki
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
- Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France
- Institut National de la Santé et de la Recherche Médicale, U1258, Illkirch, France
- Université de Strasbourg, Illkirch, France
| | - Angela Giangrande
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
- Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France
- Institut National de la Santé et de la Recherche Médicale, U1258, Illkirch, France
- Université de Strasbourg, Illkirch, France
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Saitoh T, Oda T. DNA Damage Response in Multiple Myeloma: The Role of the Tumor Microenvironment. Cancers (Basel) 2021; 13:504. [PMID: 33525741 PMCID: PMC7865954 DOI: 10.3390/cancers13030504] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/21/2021] [Accepted: 01/26/2021] [Indexed: 12/13/2022] Open
Abstract
Multiple myeloma (MM) is an incurable plasma cell malignancy characterized by genomic instability. MM cells present various forms of genetic instability, including chromosomal instability, microsatellite instability, and base-pair alterations, as well as changes in chromosome number. The tumor microenvironment and an abnormal DNA repair function affect genetic instability in this disease. In addition, states of the tumor microenvironment itself, such as inflammation and hypoxia, influence the DNA damage response, which includes DNA repair mechanisms, cell cycle checkpoints, and apoptotic pathways. Unrepaired DNA damage in tumor cells has been shown to exacerbate genomic instability and aberrant features that enable MM progression and drug resistance. This review provides an overview of the DNA repair pathways, with a special focus on their function in MM, and discusses the role of the tumor microenvironment in governing DNA repair mechanisms.
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Affiliation(s)
- Takayuki Saitoh
- Department of Laboratory Sciences, Graduate School of Health Sciences, Gunma University, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Tsukasa Oda
- Laboratory of Molecular Genetics, Institute for Molecular and Cellular Regulation, Gunma University, 3-39-15 Showa-machi, Maebashi, Gunma 371-8512, Japan;
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Hans F, Senarisoy M, Bhaskar Naidu C, Timmins J. Focus on DNA Glycosylases-A Set of Tightly Regulated Enzymes with a High Potential as Anticancer Drug Targets. Int J Mol Sci 2020; 21:ijms21239226. [PMID: 33287345 PMCID: PMC7730500 DOI: 10.3390/ijms21239226] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 12/01/2020] [Indexed: 12/25/2022] Open
Abstract
Cancer is the second leading cause of death with tens of millions of people diagnosed with cancer every year around the world. Most radio- and chemotherapies aim to eliminate cancer cells, notably by causing severe damage to the DNA. However, efficient repair of such damage represents a common mechanism of resistance to initially effective cytotoxic agents. Thus, development of new generation anticancer drugs that target DNA repair pathways, and more particularly the base excision repair (BER) pathway that is responsible for removal of damaged bases, is of growing interest. The BER pathway is initiated by a set of enzymes known as DNA glycosylases. Unlike several downstream BER enzymes, DNA glycosylases have so far received little attention and the development of specific inhibitors of these enzymes has been lagging. Yet, dysregulation of DNA glycosylases is also known to play a central role in numerous cancers and at different stages of the disease, and thus inhibiting DNA glycosylases is now considered a valid strategy to eliminate cancer cells. This review provides a detailed overview of the activities of DNA glycosylases in normal and cancer cells, their modes of regulation, and their potential as anticancer drug targets.
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Gao M, He Y, Tang H, Chen X, Liu S, Tao Y. cGAS/STING: novel perspectives of the classic pathway. MOLECULAR BIOMEDICINE 2020; 1:7. [PMID: 35006429 PMCID: PMC8603984 DOI: 10.1186/s43556-020-00006-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/09/2020] [Indexed: 02/06/2023] Open
Abstract
Cyclic GMP-AMP (cGAMP) synthase (cGAS) is a cytosolic DNA sensor and innate immune response initiator. Binding with exogenous or endogenous nucleic acids, cGAS activates its downstream adaptor, stimulator of interferon genes (STING). STING then triggers protective immune to enable the elimination of the pathogens and the clearance of cancerous cells. Apparently, aberrantly activated by self-DNA, cGAS/STING pathway is threatening to cause autoimmune and inflammatory diseases. The effects of cGAS/STING in defenses against infection and autoimmune diseases have been well studied, still it is worthwhile to discuss the roles of cGAS/STING pathway beyond the “classical” realm of innate immunity. Recent studies have revealed its involvement in non-canonical inflammasome formation, calcium hemostasis regulation, endoplasmic reticulum (ER) stress response, perception of leaking mitochondrial DNA (mtDNA), autophagy induction, cellular senescence and senescence-associated secretory phenotype (SASP) production, providing an exciting area for future exploration. Previous studies generally focused on the function of cGAS/STING pathway in cytoplasm and immune response. In this review, we summarize the latest research of this pathway on the regulation of other physiological process and STING independent reactions to DNA in micronuclei and nuclei. Together, these studies provide a new perspective of cGAS/STING pathway in human diseases.
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Affiliation(s)
- Menghui Gao
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, Central South University, Hunan, 410078, China
| | - Yuchen He
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, Central South University, Hunan, 410078, China
| | - Haosheng Tang
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, Central South University, Hunan, 410078, China.,NHC Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute and School of Basic Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Xiangyu Chen
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, Central South University, Hunan, 410078, China.,NHC Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute and School of Basic Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Shuang Liu
- Department of Oncology, Institute of Medical Sciences, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - Yongguang Tao
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, Central South University, Hunan, 410078, China. .,NHC Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute and School of Basic Medicine, Central South University, Changsha, 410078, Hunan, China. .,Hunan Key Laboratory of Tumor Models and Individualized Medicine, Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, Changsha, 410011, China.
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