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Grison S, Braga-Tanaka II, Baatout S, Klokov D. In utero exposure to ionizing radiation and metabolic regulation: perspectives for future multi- and trans-generation effects studies. Int J Radiat Biol 2024:1-14. [PMID: 38180060 DOI: 10.1080/09553002.2023.2295293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 11/22/2023] [Indexed: 01/06/2024]
Abstract
PURPOSE The radiation protection community has been particularly attentive to the risks of delayed effects on offspring from low dose or low dose-rate exposures to ionizing radiation. Despite this, the current epidemiologic studies and scientific data are still insufficient to provide the necessary evidence for improving risk assessment guidelines. This literature review aims to inform future studies on multigenerational and transgenerational effects. It primarily focuses on animal studies involving in utero exposure and discusses crucial elements for interpreting the results. These elements include in utero exposure scenarios relative to the developmental stages of the embryo/fetus, and the primary biological mechanisms responsible for transmitting heritable or hereditary effects to future generations. The review addresses several issues within the contexts of both multigenerational and transgenerational effects, with a focus on hereditary perspectives. CONCLUSIONS Knowledge consolidation in the field of Developmental Origins of Health and Disease (DOHaD) has led us to propose a new study strategy. This strategy aims to address the transgenerational effects of in utero exposure to low dose and low dose-rate radiation. Within this concept, there is a possibility that disruption of epigenetic programming in embryonic and fetal cells may occur. This disruption could lead to metabolic dysfunction, which in turn may cause abnormal responses to future environmental challenges, consequently increasing disease risk. Lastly, we discuss methodological limitations in our studies. These limitations are related to cohort size, follow-up time, model radiosensitivity, and analytical techniques. We propose scientific and analytical strategies for future research in this field.
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Affiliation(s)
- Stéphane Grison
- PSE-SANTE, Institut de Radioprotection et de Sûreté Nucléaire, Fontenay-aux-Roses, France
| | - Ignacia Iii Braga-Tanaka
- Department of Radiobiology, Institute for Environmental Sciences (IES), Rokkasho Kamikita, Aomori, Japan
| | - Sarah Baatout
- Belgian Nuclear Research Centre, SCK CEN, Institute of Nuclear Medical Applications, Mol, Belgium
- Department of Molecular Biotechnology (BW25) and Department of Human Structure and Repair (GE38), Ghent University, Ghent, Belgium
| | - Dmitry Klokov
- PSE-SANTE, Institut de Radioprotection et de Sûreté Nucléaire, Fontenay-aux-Roses, France
- Department of Microbiology, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario, Canada
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2
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Nobrega M, Farris K, Andersen E, Donkin I, Versteyhe S, Kristiansen VB, Simpson S, Barres R. Splicing across adipocyte differentiation is highly dynamic and impacted by metabolic phenotype. RESEARCH SQUARE 2023:rs.3.rs-3487148. [PMID: 37961160 PMCID: PMC10635361 DOI: 10.21203/rs.3.rs-3487148/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Adipose tissue dysfunction underlies many of the metabolic complications associated with obesity. A better understanding of the gene regulation differences present in metabolically unhealthy adipose tissue can provide insights into the mechanisms underlying adipose tissue dysfunction. Here, we used RNA-seq data collected from a differentiation time course of lean, obese, and obese with type 2 diabetes (T2D) individuals to characterize the role of alterative splicing in adipocyte differentiation and function. We found that splicing was highly dynamic across adipocyte differentiation in all three cohorts, and that the dynamics of splicing were significantly impacted by metabolic phenotype. We also found that there was very little overlap between genes that were differentially spliced in adipocyte differentiation and those that were differentially expressed, positioning alternative splicing as a largely independent gene regulatory mechanism whose impact would be missed when looking at gene expression changes alone. To assess the impact of alternative splicing across adipocyte differentiation on genetic risk for metabolic diseases, we integrated the differential splicing results generated here with genome-wide association study results for body mass index and T2D, and found that variants associated with T2D were enriched in regions that were differentially spliced in early differentiation. These findings provide insight into the role of alternative splicing in adipocyte differentiation and can serve as a resource to guide future variant-to-function studies.
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Affiliation(s)
| | | | | | | | | | | | | | - Romain Barres
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Denmark
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3
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Thabet NM, Abdel-Rafei MK, Amin MM. Fractionated whole body γ-irradiation aggravates arthritic severity via boosting NLRP3 and RANKL expression in adjuvant-induced arthritis model: the mitigative potential of ebselen. Inflammopharmacology 2023:10.1007/s10787-023-01238-5. [PMID: 37131046 DOI: 10.1007/s10787-023-01238-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 04/16/2023] [Indexed: 05/04/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune chronic inflammatory disease associated with oxidative stress that causes excruciating pain, discomfort, and joint destruction. Ebselen (EB), a synthesized versatile organo-selenium compound, protects cells from reactive oxygen species (ROS)-induced injury by mimicking glutathione peroxidase (GPx) action. This study aimed to investigate the antioxidant and anti-inflammatory effects of EB in an arthritic irradiated model. This goal was achieved by subjecting adjuvant-induced arthritis (AIA) rats to fractionated whole body γ-irradiation (2 Gy/fraction once per week for 3 consecutive weeks, for a total dose of 6 Gy) and treating them with EB (20 mg/kg/day, p.o) or methotrexate (MTX; 0.05 mg/kg; twice/week, i.p) as a reference anti-RA drug. The arthritic clinical signs, oxidative stress and antioxidant biomarkers, inflammatory response, expression of NOD-like receptor protein-3 (NLRP-3) inflammasome, receptor activator of nuclear factor κB ligand (RANKL), nuclear factor-κB (NF-κB), apoptotic indicators (caspase 1 and caspase 3), cartilage integrity marker (collagen-II), and histopathological examination of ankle joints were assessed. EB notably improved the severity of arthritic clinical signs, alleviated joint histopathological lesions, modulated oxidative stress and inflammation in serum and synovium, as well as reduced NLRP-3, RANKL, and caspase3 expression while boosting collagen-II expression in the ankle joints of arthritic and arthritic irradiated rats with comparable potency to MTX. Our findings suggest that EB, through its antioxidant and anti-inflammatory properties, has anti-arthritic and radioprotective properties in an arthritic irradiated model.
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Affiliation(s)
- Noura M Thabet
- Radiation Biology Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, 3 Ahmed El-Zomor Street, Nasr City, P.O. Box 29, Cairo, 11787, Egypt.
| | - Mohamed K Abdel-Rafei
- Radiation Biology Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, 3 Ahmed El-Zomor Street, Nasr City, P.O. Box 29, Cairo, 11787, Egypt.
| | - Mohamed M Amin
- Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre, Dokki, Egypt
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Clifford BK, Amorim NML, Kaakoush NO, Boysen L, Tedla N, Goldstein D, Hardeman EC, Simar D. Irradiation-Induced Dysbiosis: The Compounding Effect of High-Fat Diet on Metabolic and Immune Functions in Mice. Int J Mol Sci 2023; 24:ijms24065631. [PMID: 36982703 PMCID: PMC10057711 DOI: 10.3390/ijms24065631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/07/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
The negative impact of irradiation or diet on the metabolic and immune profiles of cancer survivors have been previously demonstrated. The gut microbiota plays a critical role in regulating these functions and is highly sensitive to cancer therapies. The aim of this study was to investigate the effect of irradiation and diet on the gut microbiota and metabolic or immune functions. We exposed C57Bl/6J mice to a single dose of 6 Gy radiation and after 5 weeks, fed them a chow or high-fat diet (HFD) for 12 weeks. We characterised their faecal microbiota, metabolic (whole body and adipose tissue) functions, and systemic (multiplex cytokine, chemokine assay, and immune cell profiling) and adipose tissue inflammatory profiles (immune cell profiling). At the end of the study, we observed a compounding effect of irradiation and diet on the metabolic and immune profiles of adipose tissue, with exposed mice fed a HFD displaying a greater inflammatory signature and impaired metabolism. Mice fed a HFD also showed altered microbiota, irrespective of irradiation status. An altered diet may exacerbate the detrimental effects of irradiation on both the metabolic and inflammatory profiles. This could have implications for the diagnosis and prevention of metabolic complications in cancer survivors exposed to radiation.
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Affiliation(s)
- Briana K. Clifford
- School of Health Sciences, UNSW, Sydney, NSW 2052, Australia
- School of Nursing, Midwifery and Social Work, University of Queensland, Brisbane, QLD 4072, Australia
| | - Nadia M. L. Amorim
- UTS Centenary Centre for Inflammation, School of Life Sciences, University of Technology, Sydney, NSW 2050, Australia
| | | | - Lykke Boysen
- School of Health Sciences, UNSW, Sydney, NSW 2052, Australia
- The Danish Environmental Protection Agency, Ministry of Environment of Denmark, 5000 Odense, Denmark
| | - Nicodemus Tedla
- School of Biomedical Sciences, UNSW, Sydney, NSW 2052, Australia
| | - David Goldstein
- Prince of Wales Clinical School, UNSW, Sydney, NSW 2052, Australia
- Prince of Wales Hospital, Randwick, NSW 2031, Australia
| | - Edna C. Hardeman
- School of Biomedical Sciences, UNSW, Sydney, NSW 2052, Australia
| | - David Simar
- School of Health Sciences, UNSW, Sydney, NSW 2052, Australia
- Correspondence:
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Ruggiero AD, Davis MA, Davis AT, DeStephanis D, Williams AG, Vemuri R, Fanning KM, Sherrill C, Cline JM, Caudell DL, Kavanagh K. Delayed effects of radiation in adipose tissue reflect progenitor damage and not cellular senescence. GeroScience 2023; 45:507-521. [PMID: 36136223 PMCID: PMC9886706 DOI: 10.1007/s11357-022-00660-x] [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: 04/15/2022] [Accepted: 09/08/2022] [Indexed: 02/03/2023] Open
Abstract
The pathogenesis of many age-related diseases is linked to cellular senescence, a state of inflammation-inducing, irreversible cell cycle arrest. The consequences and mechanisms of age-associated cellular senescence are often studied using in vivo models of radiation exposure. However, it is unknown whether radiation induces persistent senescence, like that observed in ageing. We performed analogous studies in mice and monkeys, where young mice and rhesus macaques received sub-lethal doses of ionizing radiation and were observed for ~ 15% of their expected lifespan. Assessments of 8-hydroxy-2' -deoxyguanosine (8-OHdG), senescence-associated beta-galactosidase (SAβ-gal), and p16Ink4a and p21 were performed on mitotic and post-mitotic tissues - liver and adipose tissue - 6 months and 3 years post-exposure for the mice and monkeys, respectively. No elevations in 8-OHdG, SA-βgal staining, or p16 Ink4a or p21 gene or protein expression were found in mouse and monkey liver or adipose tissue compared to control animals. Despite no evidence of senescence, progenitor cell dysfunction persisted after radiation exposure, as indicated by lower in situ CD34+ adipose cells (p = 0.03), and deficient adipose stromal vascular cell proliferation (p < 0.05) and differentiation (p = 0.04) ex vivo. Our investigation cautions that employing radiation to study senescence-related processes should be limited to the acute post-exposure period and that stem cell damage likely underpins the dysfunction associated with delayed effects of radiation.
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Affiliation(s)
- Alistaire D Ruggiero
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - Matthew A Davis
- Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Ashley T Davis
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - Darla DeStephanis
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - Abigail G Williams
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - Ravichandra Vemuri
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - Katherine M Fanning
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - Chrissy Sherrill
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - J Mark Cline
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - David L Caudell
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA
| | - Kylie Kavanagh
- Department of Pathology, Wake Forest University School of Medicine, 575 N. Patterson Ave, Winston-Salem, NC, 27101, USA.
- College of Health and Medicine, University of Tasmania, Hobart, Australia.
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6
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Ju Z, Guo P, Xiang J, Lei R, Ren G, Zhou M, Yang X, Zhou P, Huang R. Low-dose radiation exaggerates HFD-induced metabolic dysfunction by gut microbiota through PA-PYCR1 axis. Commun Biol 2022; 5:945. [PMID: 36088469 PMCID: PMC9464247 DOI: 10.1038/s42003-022-03929-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 08/31/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractCo-exposure of High-fat-diet (HFD) behavior and environmental low-dose radiation (LDR) is common among majority occupational workers, but the synergism of this co-exposure in metabolic health is poorly understood. This study aimed to investigate the impact of gut microbiota and its metabolites on the regulation of HFD accompanied by LDR-associated with metabolic dysfunction and insulin resistance. Here, we reported that Parasutterella was markedly elevated in the gut microbiota of mice in co-exposure of HFD and LDR, accompanied by increased pyrrolidinecarboxylic acid (PA) level in both intestine and plasma. Transplantation of fecal microbiota from mice with co-exposure HFD and LDR with metabolic dysfunction resulted in increased disruption of metabolic dysfunction, insulin resistance and increased PYCR1 (Pyrroline-5-carboxylate reductase 1) expression. Mechanistically, intestinal barrier was damaged more serious in mice with co-exposure of HFD and LDR, leading high PA level in plasma, activating PYCR1 expression to inhibit insulin Akt/mTOR (AKT kinase-transforming protein/Serine threonine-protein kinase) signaling pathway to aggravate HFD-induced metabolic impairments. This study suggests a new avenue for interventions against western diet companied with low dose radiation exposure-driven metabolic impairments.
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7
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Pan H, Zhou M, Ju Z, Luo J, Jin J, Shen L, Zhou P, Huang R. Potential role of gut microbiota-LCA-INSR axis in high fat-diet-induced non-alcoholic fatty liver dysfunction: From perspective of radiation variation. Curr Res Food Sci 2022; 5:1685-1700. [PMID: 36204709 PMCID: PMC9530674 DOI: 10.1016/j.crfs.2022.09.022] [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: 07/24/2022] [Revised: 09/09/2022] [Accepted: 09/17/2022] [Indexed: 11/28/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a progressive disease of the liver covering a range of conditions from hepatic steatosis to liver fibrosis. NAFLD could be induced by High-fat-diet(HFD). Ionizing radiation is widely used in medical diagnosis and therapy as well as is a common risk factor in occupational environment. Whether the exposure of various dose of radiation has effects on HFD-induced NAFLD remains unclear. Here, we reported that radiation exposure promoted HFD-induced NAFLD in a dose-response manner. Furthermore, the gut microbiota composition had significant difference among mice with or without radiation treatment. Specifically, the Bacteroidetes/Firmicutes ratio, the abundance of A. muciniphila, Butyricococcus, and Clostridiaceae decreased significantly in the mice with co-exposure of high dose of radiation and HFD treatment. A fecal transplantation trial (FMT) further verified the role of gut microbiota in the regulation of the liver response to co-exposure of high dose of radiation and HFD treatment. Notably, the gut microbiome analysis showed plasma lithocholic acid (LCA) level increased in the mice with co-exposure of high dose of radiation and HFD treatment. Following antibiotic and probiotic treatments there was a significantly decreased LCA bile acid concentration and subsequent promotion of INSR/PI3K/Akt insulin signaling in the liver tissues. Our results demonstrate that the co-exposure of radiation and HFD aggravates the HFD-induced NAFLD through gut microbiota-LCA-INSR axis. Probiotics supplementation is a potential way to protect against co-exposure of radiation and HFD-induced liver damage. Meanwhile, our study provide a new insight that population with potential HFD-induced damage should pay more attention on preventing from liver damage while exposing radiation. Gut microbiota-lithocholic acid-insulin receptor (LCA-INSR) axis involves the promotion effects of radiation on HFD-induced NAFLD. Probiotics improve the liver damage induced by co-exposure of radiation and HFD.
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Affiliation(s)
- Huiji Pan
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, 410078, China
| | - Meiling Zhou
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, 410078, China
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, AMMS, Beijing, China
| | - Zhao Ju
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, 410078, China
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, AMMS, Beijing, China
| | - Jinhua Luo
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, 410078, China
| | - Jing Jin
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, 410078, China
| | - Liangfang Shen
- Department of Oncology, Xiangya Hospital, Central South University, China
| | - Pingkun Zhou
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, AMMS, Beijing, China
| | - Ruixue Huang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, 410078, China
- Corresponding author.
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Liu HX, Liu QJ. Logistic role of carnitine shuttle system on radiation-induced L-carnitine and acylcarnitines alteration. Int J Radiat Biol 2022; 98:1-14. [PMID: 35384773 DOI: 10.1080/09553002.2022.2063430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 12/13/2022]
Abstract
PURPOSE With the development of radiation metabolomics, a large number of radiation-related metabolic biomarkers have been identified and validated. The L-carnitine and acylcarnitines have the potential to be the new promising candidate indicators of radiation exposure. This review summarizes the effect of carnitine shuttle system on the profile of acylcarnitines and correlates the radiation effects on upstream regulators of carnitine shuttle system with the change characteristics of L-carnitine and acylcarnitines after irradiation across different animal models as well as a few humans. CONCLUSIONS Studies report that acylcarnitines were ubiquitously elevated after irradiation, especially the free L-carnitine and short-chain acylcarnitines (C2-C5). However, the molecular mechanism underlying acylcarnitine alterations after irradiation is not fully investigated, and further studies are needed to explore the biological effect and its mechanism. The activity of the carnitine shuttle system plays a key role in the alteration of L-carnitine and acylcarnitines, and the upstream regulators of the system are known to be affected by irradiation. These evidences indicate that that there is a logistic role of carnitine shuttle system on radiation-induced L-carnitine and acylcarnitines alteration.
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Affiliation(s)
- Hai-Xiang Liu
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Qing-Jie Liu
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
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9
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An Analysis of the Serum Metabolomic Profile for the Radiomitigative Effect of the Thrombopoietin Receptor Agonist Romiplostim in Lethally Whole-Body-Irradiated Mice. Metabolites 2022; 12:metabo12020161. [PMID: 35208235 PMCID: PMC8877426 DOI: 10.3390/metabo12020161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 12/04/2022] Open
Abstract
The thrombopoietin receptor agonist romiplostim (RP) was recently approved by the US Food and Drug Administration for improving survival in patients acutely exposed to myelosuppressive doses of radiation. Our previous studies with mice have shown that RP administration after lethal irradiation not only completely rescues irradiated mice but also shows mitigative effects on their hematopoiesis and multiple organ injury, including that of the lung, bone marrow, small intestine, and liver. However, the mechanism by which RP functions as a radiomitigator remains unclear. In the present study, we applied a metabolomics approach, which has the ability to reflect the status of an organism directly and accurately, helping to elucidate the biology of treatment responses. Our results showed that the disruption of several metabolites and pathways in response to total body irradiation was partially corrected by RP administration. Notably, RP-corrected metabolites and pathways have been reported to be indicators of DNA damage and lung, bone marrow, small intestine, and liver injury. Taken together, the present findings suggested that the radiomitigative effect of RP is partially involved in the recovery of organ injury, and the identified metabolites may be a useful biomarker of the survival likelihood following radiation exposure.
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10
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Huang X, Maguire OA, Walker JM, Jiang CS, Carroll TS, Luo JD, Tonorezos E, Friedman DN, Cohen P. Therapeutic radiation exposure of the abdomen during childhood induces chronic adipose tissue dysfunction. JCI Insight 2021; 6:153586. [PMID: 34554929 PMCID: PMC8663557 DOI: 10.1172/jci.insight.153586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 09/22/2021] [Indexed: 01/22/2023] Open
Abstract
BACKGROUNDChildhood cancer survivors who received abdominal radiotherapy (RT) or total body irradiation (TBI) are at increased risk for cardiometabolic disease, but the underlying mechanisms are unknown. We hypothesize that RT-induced adipose tissue dysfunction contributes to the development of cardiometabolic disease in the expanding population of childhood cancer survivors.METHODSWe performed clinical metabolic profiling of adult childhood cancer survivors previously exposed to TBI, abdominal RT, or chemotherapy alone, alongside a group of healthy controls. Study participants underwent abdominal s.c. adipose biopsies to obtain tissue for bulk RNA sequencing. Transcriptional signatures were analyzed using pathway and network analyses and cellular deconvolution.RESULTSIrradiated adipose tissue is characterized by a gene expression signature indicative of a complex macrophage expansion. This signature includes activation of the TREM2-TYROBP network, a pathway described in diseases of chronic tissue injury. Radiation exposure of adipose is further associated with dysregulated adipokine secretion, specifically a decrease in insulin-sensitizing adiponectin and an increase in insulin resistance-promoting plasminogen activator inhibitor-1. Accordingly, survivors exhibiting these changes have early signs of clinical metabolic derangement, such as increased fasting glucose and hemoglobin A1c.CONCLUSIONChildhood cancer survivors exposed to abdominal RT or TBI during treatment exhibit signs of chronic s.c. adipose tissue dysfunction, manifested as dysregulated adipokine secretion that may negatively impact their systemic metabolic health.FUNDINGThis study was supported by Rockefeller University Hospital; National Institute of General Medical Sciences (T32GM007739); National Center for Advancing Translational Sciences (UL1 TR001866); National Cancer Institute (P30CA008748); American Cancer Society (133831-CSDG-19-117-01-CPHPS); American Diabetes Association (1-17-ACE-17); and an anonymous donor (MSKCC).
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Affiliation(s)
- Xiaojing Huang
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center (MSKCC), New York, New York, USA.,Laboratory of Molecular Metabolism, The Rockefeller University, New York, New York, USA
| | - Olivia A Maguire
- Laboratory of Molecular Metabolism, The Rockefeller University, New York, New York, USA.,Weill Cornell/Rockefeller/Sloan Kettering Tri-institutional MD-PhD Program, New York, New York, USA
| | | | | | - Thomas S Carroll
- Bioinformatics Resource Center, The Rockefeller University, New York, New York, USA
| | - Ji-Dung Luo
- Bioinformatics Resource Center, The Rockefeller University, New York, New York, USA
| | - Emily Tonorezos
- Office of Cancer Survivorship, Division of Cancer Control and Population Sciences, National Cancer Institute, Rockville, Maryland, USA
| | | | - Paul Cohen
- Laboratory of Molecular Metabolism, The Rockefeller University, New York, New York, USA
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11
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Gabriel BM, Altıntaş A, Smith JAB, Sardon-Puig L, Zhang X, Basse AL, Laker RC, Gao H, Liu Z, Dollet L, Treebak JT, Zorzano A, Huo Z, Rydén M, Lanner JT, Esser KA, Barrès R, Pillon NJ, Krook A, Zierath JR. Disrupted circadian oscillations in type 2 diabetes are linked to altered rhythmic mitochondrial metabolism in skeletal muscle. SCIENCE ADVANCES 2021; 7:eabi9654. [PMID: 34669477 PMCID: PMC8528429 DOI: 10.1126/sciadv.abi9654] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 08/25/2021] [Indexed: 05/03/2023]
Abstract
Circadian rhythms are generated by an autoregulatory feedback loop of transcriptional activators and repressors. Circadian rhythm disruption contributes to type 2 diabetes (T2D) pathogenesis. We elucidated whether altered circadian rhythmicity of clock genes is associated with metabolic dysfunction in T2D. Transcriptional cycling of core-clock genes BMAL1, CLOCK, and PER3 was altered in skeletal muscle from individuals with T2D, and this was coupled with reduced number and amplitude of cycling genes and disturbed circadian oxygen consumption. Inner mitochondria–associated genes were enriched for rhythmic peaks in normal glucose tolerance, but not T2D, and positively correlated with insulin sensitivity. Chromatin immunoprecipitation sequencing identified CLOCK and BMAL1 binding to inner-mitochondrial genes associated with insulin sensitivity, implicating regulation by the core clock. Inner-mitochondria disruption altered core-clock gene expression and free-radical production, phenomena that were restored by resveratrol treatment. We identify bidirectional communication between mitochondrial function and rhythmic gene expression, processes that are disturbed in diabetes.
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Affiliation(s)
- Brendan M. Gabriel
- Department of Physiology and Pharmacology, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
- Aberdeen Cardiovascular and Diabetes Centre, The Rowett Institute, University of Aberdeen, Aberdeen, UK
| | - Ali Altıntaş
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jonathon A. B. Smith
- Department of Physiology and Pharmacology, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
| | - Laura Sardon-Puig
- Department of Molecular Medicine and Surgery, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
| | - Xiping Zhang
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Astrid L. Basse
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Rhianna C. Laker
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Hui Gao
- Department of Biosciences and Nutrition (BioNut), Karolinska Institutet, Stockholm, Sweden
| | - Zhengye Liu
- Department of Physiology and Pharmacology, Molecular Muscle Physiology and Pathophysiology, Karolinska Institutet, Stockholm, Sweden
| | - Lucile Dollet
- Department of Physiology and Pharmacology, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
| | - Jonas T. Treebak
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Antonio Zorzano
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology, Barcelona, Spain
- Departament de Bioquímica y Biomedicina Molecular, Facultat de Biologia, Barcelona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Spain
| | - Zhiguang Huo
- Department of Biostatistics, University of Florida, Gainesville, FL, USA
| | - Mikael Rydén
- Department of Medicine (H7), Unit for Endocrinology and Diabetes, Karolinska Institutet, Stockholm, Sweden
| | - Johanna T. Lanner
- Department of Physiology and Pharmacology, Molecular Muscle Physiology and Pathophysiology, Karolinska Institutet, Stockholm, Sweden
| | - Karyn A. Esser
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Romain Barrès
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Nicolas J. Pillon
- Department of Physiology and Pharmacology, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
| | - Anna Krook
- Department of Physiology and Pharmacology, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
| | - Juleen R. Zierath
- Department of Physiology and Pharmacology, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Molecular Medicine and Surgery, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
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12
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Perez-Gelvez YNC, Camus AC, Bridger R, Wells L, Rhodes OE, Bergmann CW. Effects of chronic exposure to low levels of IR on Medaka ( Oryzias latipes): a proteomic and bioinformatic approach. Int J Radiat Biol 2021; 97:1485-1501. [PMID: 34355643 DOI: 10.1080/09553002.2021.1962570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE Chronic exposure to ionizing radiation (IR) at low doses (<100 mGy) has been insufficiently studied to understand fully the risk to health. Relatively little knowledge exists regarding how species and healthy tissues respond at the protein level to chronic exposure to low doses of IR, and mass spectrometric-based profiling of protein expression is a powerful tool for studying changes in protein abundance. MATERIALS AND METHODS SDS gel electrophoresis, LC-MS/MS mass spectrometry-based approaches and bioinformatic data analytics were used to detect proteomic changes following chronic exposure to moderate/low doses of radiation in adults and normally developed Medaka fish (Oryzias latipes). RESULTS Significant variations in the abundance of proteins involved in thyroid hormone signaling and lipid metabolism were detected, which could be related to the gonadal regression phenotype observed after 21.04 mGy and 204.3 mGy/day exposure. The global proteomic change was towards overexpression of proteins in muscle and skin, while the opposite effect was observed in internal organs. CONCLUSION The present study provides information on the impacts of biologically relevant low doses of IR, which will be useful in future research for the identification of potential biomarkers of IR exposure and allow for a better assessment of radiation biosafety regulations.
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Affiliation(s)
- Yeni Natalia C Perez-Gelvez
- Carbohydrate Complex Research Center, Biochemistry and Molecular Biology, The University of Georgia, Athens, GA, USA
| | - Alvin C Camus
- College of Veterinary Medicine, Department of Pathology, The University of Georgia, Athens, GA, USA
| | - Robert Bridger
- Carbohydrate Complex Research Center, The University of Georgia, Athens, GA, USA
| | - Lance Wells
- Carbohydrate Complex Research Center, The University of Georgia, Athens, GA, USA
| | - Olin E Rhodes
- Savannah River Ecology Laboratory, Odum School of Ecology, The University of Georgia, Athens, GA, USA
| | - Carl W Bergmann
- Carbohydrate Complex Research Center, The University of Georgia, Athens, GA, USA
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13
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Muhammad SA, Qousain Naqvi ST, Nguyen T, Wu X, Munir F, Jamshed MB, Zhang Q. Cisplatin's potential for type 2 diabetes repositioning by inhibiting CDKN1A, FAS, and SESN1. Comput Biol Med 2021; 135:104640. [PMID: 34261004 DOI: 10.1016/j.compbiomed.2021.104640] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 07/06/2021] [Accepted: 07/06/2021] [Indexed: 12/16/2022]
Abstract
Cisplatin is a DNA-damaging chemotherapeutic agent used for treating cancer. Based on cDNA dataset analysis, we investigated how cisplatin modified gene expression and observed cisplatin-induced dysregulation and system-level variations relating to insulin resistance and type 2 diabetes mellitus (T2DM). T2DM is a multifactorial disease affecting 462 million people in the world, and drug-induced T2DM is a serious issue. To understand this etiology, we designed an integrative, system-level study to identify associations between cisplatin-induced differentially expressed genes (DEGs) and T2DM. From a list of differential expressed genes, cisplatin downregulated the cyclin-dependent kinase inhibitor 1 (CDKN1A), tumor necrosis factor (FAS), and sestrin-1 (SESN1) genes responsible for modifying signaling pathways, including the p53, JAK-STAT, FOXO, MAPK, mTOR, P13-AKT, Toll-like receptor (TLR), adipocytokine, and insulin signaling pathways. These enriched pathways were expressively associated with the disease. We observed significant gene signatures, including SMAD3, IRS, PDK1, PRKAA1, AKT, SOS, RAS, GRB2, MEK1/2, and ERK, interacting with source genes. This study revealed the value of system genetics for identifying the cisplatin-induced genetic variants responsible for the progression of T2DM. Also, by cross-validating gene expression data for T2DM islets, we found that downregulating IRS and PRK families is critical in insulin and T2DM signaling pathways. Cisplatin, by inhibiting CDKN1A, FAS, and SESN1, promotes IRS and PRK activity in a similar way to rosiglitazone (a popular drug used for T2DM treatment). Our integrative, network-based approach can help in understanding the drug-induced pathophysiological mechanisms of diabetes.
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Affiliation(s)
- Syed Aun Muhammad
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan.
| | | | - Thanh Nguyen
- Informatics Institute, School of Medicine, The University of Alabama, Birmingham, AL, USA
| | - Xiaogang Wu
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Fahad Munir
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China; Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Muhammad Babar Jamshed
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China; Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - QiYu Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
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14
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Wang VA, James-Todd T, Hacker MR, O’Brien KE, Wylie BJ, Hauser R, Williams PL, Bellavia A, Quinn M, McElrath TF, Papatheodorou S. Ambient PM gross β-activity and glucose levels during pregnancy. Environ Health 2021; 20:70. [PMID: 34126994 PMCID: PMC8204493 DOI: 10.1186/s12940-021-00744-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 05/02/2021] [Indexed: 05/22/2023]
Abstract
BACKGROUND Exposure to ionizing radiation has been associated with insulin resistance and type 2 diabetes. In light of recent work showing an association between ambient particulate matter (PM) gross β-activity and gestational diabetes mellitus (GDM) among pregnant women, we examined pregnancy glucose levels in relation to PM gross β-activity to better understand this pathway. METHODS Our study included 103 participants receiving prenatal care at Beth Israel Deaconess Medical Center in Boston, MA. PM gross β-activity was obtained from US Environmental Protection Agency's RadNet program monitors, and blood glucose levels were obtained from the non-fasting glucose challenge test performed clinically as the first step of the 2-step GDM screening test. For each exposure window we examined (i.e., moving average same-day, one-week, first-trimester, and second-trimester PM gross β-activity), we fitted generalized additive models and adjusted for clinical characteristics, socio-demographic factors, temporal variables, and PM with an aerodynamic diameter ≤ 2.5 μm (PM2.5). Subgroup analyses by maternal age and by body mass index were also conducted. RESULTS An interquartile range increase in average PM gross β-activity during the second trimester of pregnancy was associated with an increase of 17.5 (95% CI: 0.8, 34.3) mg/dL in glucose concentration. Associations were stronger among younger and overweight/obese participants. Our findings also suggest that the highest compared to the lowest quartile of one-week exposure was associated with 17.0 (95% CI: - 4.0, 38.0) mg/dL higher glucose levels. No associations of glucose were observed with PM gross β-activity during same-day and first-trimester exposure windows. PM2.5 was not associated with glucose levels during any exposure window in our data. CONCLUSIONS Exposure to higher levels of ambient PM gross β-activity was associated with higher blood glucose levels in pregnant patients, with implications for how this novel environmental factor could impact pregnancy health.
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Affiliation(s)
- Veronica A. Wang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
| | - Tamarra James-Todd
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
| | - Michele R. Hacker
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115 USA
| | - Karen E. O’Brien
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115 USA
| | - Blair J. Wylie
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115 USA
| | - Russ Hauser
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
| | - Paige L. Williams
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
| | - Andrea Bellavia
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
| | - Marlee Quinn
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
| | - Thomas F. McElrath
- Division of Maternal-Fetal Medicine, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Stefania Papatheodorou
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115 USA
- Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Kresge Bldg, Boston, MA 02115 USA
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15
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Moustafa EM, Rashed ER, Rashed RR. Pterostilbene Inhibits Dyslipidemia-Induced Activation of Progenitor Adipose Gene Under High-Fat Diet and Radiation Stressor. Nat Prod Commun 2021. [DOI: 10.1177/1934578x211001267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Repeated exposure to ionizing radiation has been reported to increase the risk of chronic metabolic disorders such as systemic hyperlipidemia and intracellular lipid accumulation that might lead to diabetes-induced heart disease. The purpose of this study was to investigate the effect of pterostilbene on high-fat diet rats suffering from ionizing radiation-induced hyperlipidemia. High-fat diet rats showed an increase in body weight and body fat compared with rats fed with normal chow. Pterostilbene and Orlistat treatments resulted in lower body weight and body fat gain, insulin resistance, reduced lipid peroxidation with attenuated liver enzyme levels, and regulated lipogenesis-related genes in the HFD + IR rat group. Regulation of Peroxisome proliferator-activated receptor-γ (PPAR-γ) mRNA enhanced paraoxonase-1 (PON-1) and arylesterase (AE) activities and inhibited that of 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMG-CoA). It also increased the activities of plasma lecithin-cholesterol acyltransferase (LCAT) and lipoprotein lipase (LPL). Pterostilbene and Orlistat also corrected the alterations of serum leptin and adiponectin levels in lipidemic rats. Such findings provide evidence that Pterostilbene and Orlistat can act as normolipidemic agents that possess lipid-lowering effects and potential as a radioprotector.
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Affiliation(s)
- Enas M. Moustafa
- Department of Radiation Biology, National Center for Radiation Research & Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Nasr City, Egypt
| | - Engy R. Rashed
- Department of Drug Radiation Research, National Center for Radiation Research & Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Nasr City, Egypt
| | - Rasha R. Rashed
- Department of Drug Radiation Research, National Center for Radiation Research & Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Nasr City, Egypt
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16
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A Meta-Analysis of the Effects of High-LET Ionizing Radiations in Human Gene Expression. Life (Basel) 2021; 11:life11020115. [PMID: 33546472 PMCID: PMC7913660 DOI: 10.3390/life11020115] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/31/2021] [Accepted: 01/31/2021] [Indexed: 12/19/2022] Open
Abstract
The use of high linear energy transfer (LET) ionizing radiation (IR) is progressively being incorporated in radiation therapy due to its precise dose localization and high relative biological effectiveness. At the same time, these benefits of particle radiation become a high risk for astronauts in the case of inevitable cosmic radiation exposure. Nonetheless, DNA Damage Response (DDR) activated via complex DNA damage in healthy tissue, occurring from such types of radiation, may be instrumental in the induction of various chronic and late effects. An approach to elucidating the possible underlying mechanisms is studying alterations in gene expression. To this end, we identified differentially expressed genes (DEGs) in high Z and high energy (HZE) particle-, γ-ray- and X-ray-exposed healthy human tissues, utilizing microarray data available in public repositories. Differential gene expression analysis (DGEA) was conducted using the R programming language. Consequently, four separate meta-analyses were conducted, after DEG lists were grouped depending on radiation type, radiation dose and time of collection post-irradiation. To highlight the biological background of each meta-analysis group, functional enrichment analysis and biological network construction were conducted. For HZE particle exposure at 8–24 h post-irradiation, the most interesting finding is the variety of DNA repair mechanisms that were downregulated, a fact that is probably correlated with complex DNA damage formation. Simultaneously, after X-ray exposure during the same hours after irradiation, DNA repair mechanisms continue to take place. Finally, in a further comparison of low- and high-LET radiation effects, the most prominent result is that autophagy mechanisms seem to persist and that adaptive immune induction seems to be present. Such bioinformatics approaches may aid in obtaining an overview of the cellular response to high-LET particles. Understanding these response mechanisms can consequently aid in the development of countermeasures for future space missions and ameliorate heavy ion treatments.
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17
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Tapio S, Little MP, Kaiser JC, Impens N, Hamada N, Georgakilas AG, Simar D, Salomaa S. Ionizing radiation-induced circulatory and metabolic diseases. ENVIRONMENT INTERNATIONAL 2021; 146:106235. [PMID: 33157375 PMCID: PMC10686049 DOI: 10.1016/j.envint.2020.106235] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/09/2020] [Accepted: 10/08/2020] [Indexed: 05/23/2023]
Abstract
Risks to health are the prime consideration in all human situations of ionizing radiation exposure and therefore of relevance to radiation protection in all occupational, medical, and public exposure situations. Over the past few decades, advances in therapeutic strategies have led to significant improvements in cancer survival rates. However, a wide range of long-term complications have been reported in cancer survivors, in particular circulatory diseases and their major risk factors, metabolic diseases. However, at lower levels of exposure, the evidence is less clear. Under real-life exposure scenarios, including radiotherapy, radiation effects in the whole organism will be determined mainly by the response of normal tissues receiving relatively low doses, and will be mediated and moderated by systemic effects. Therefore, there is an urgent need for further research on the impact of low-dose radiation. In this article, we review radiation-associated risks of circulatory and metabolic diseases in clinical, occupational or environmental exposure situations, addressing epidemiological, biological, risk modelling, and systems biology aspects, highlight the gaps in knowledge and discuss future directions to address these gaps.
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Affiliation(s)
- Soile Tapio
- Institute of Radiation Biology, Helmholtz Zentrum Muenchen, German Research Center for Environmental Health GmbH, Neuherberg, Germany.
| | - Mark P Little
- Radiation Epidemiology Branch, National Cancer Institute (NCI), National Institutes of Health (NIH), MD, USA
| | - Jan Christian Kaiser
- Institute of Radiation Medicine, Helmholtz Zentrum Muenchen, German Research Center for Environmental Health GmbH, Neuherberg, Germany
| | - Nathalie Impens
- Institute of Environment, Health and Safety, Biosphere Impact Studies, SCK•CEN, Mol, Belgium
| | - Nobuyuki Hamada
- Radiation Safety Research Center, Nuclear Technology Research Laboratory, Central Research Institute of Electric Power Industry (CRIEPI), Tokyo, Japan
| | - Alexandros G Georgakilas
- DNA Damage Laboratory, Department of Physics, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Athens, Greece
| | - David Simar
- Mechanisms of Disease and Translational Research, School of Medical Sciences, UNSW Sydney, Sydney, Australia
| | - Sisko Salomaa
- Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
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18
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Anderson J, Belafsky P, Clayton S, Archard J, Pavlic J, Rao S, Farwell DG, Kuhn M, Deng P, Halmai J, Bauer G, Fink K, Fury B, Perotti N, Walker J, Beliveau A, Birkeland A, Abouyared M, Cary W, Nolta J. Model of radiation-induced ambulatory dysfunction. JOURNAL OF MEDICAL SCIENCES 2021. [DOI: 10.4103/jmedsci.jmedsci_259_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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19
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Coleman CN, Eke I, Makinde AY, Chopra S, Demaria S, Formenti SC, Martello S, Bylicky M, Mitchell JB, Aryankalayil MJ. Radiation-induced Adaptive Response: New Potential for Cancer Treatment. Clin Cancer Res 2020; 26:5781-5790. [PMID: 32554542 PMCID: PMC7669567 DOI: 10.1158/1078-0432.ccr-20-0572] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 04/24/2020] [Accepted: 06/11/2020] [Indexed: 12/20/2022]
Abstract
Radiotherapy is highly effective due to its ability to physically focus the treatment to target the tumor while sparing normal tissue and its ability to be combined with systemic therapy. This systemic therapy can be utilized before radiotherapy as an adjuvant or induction treatment, during radiotherapy as a radiation "sensitizer," or following radiotherapy as a part of combined modality therapy. As part of a unique concept of using radiation as "focused biology," we investigated how tumors and normal tissues adapt to clinically relevant multifraction (MF) and single-dose (SD) radiation to observe whether the adaptations can induce susceptibility to cell killing by available drugs or by immune enhancement. We identified an adaptation occurring after MF (3 × 2 Gy) that induced cell killing when AKT-mTOR inhibitors were delivered following cessation of radiotherapy. In addition, we identified inducible changes in integrin expression 2 months following cessation of radiotherapy that differ between MF (1 Gy × 10) and SD (10 Gy) that remain targetable compared with preradiotherapy. Adaptation is reflected across different "omics" studies, and thus the range of possible molecular targets is not only broad but also time, dose, and schedule dependent. While much remains to be studied about the radiation adaptive response, radiation should be characterized by its molecular perturbations in addition to physical dose. Consideration of the adaptive effects should result in the design of a tailored radiotherapy treatment plan that accounts for specific molecular changes to be targeted as part of precision multimodality cancer treatment.
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Affiliation(s)
- C Norman Coleman
- Radiation Oncology Branch and Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland.
| | - Iris Eke
- Radiation Oncology Branch and Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California
| | - Adeola Y Makinde
- Radiation Oncology Branch and Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Sunita Chopra
- Radiation Oncology Branch and Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Sandra Demaria
- Radiation Oncology and Pathology, Weill Cornell Medicine, New York, New York
| | - Silvia C Formenti
- Radiation Oncology and Pathology, Weill Cornell Medicine, New York, New York
| | - Shannon Martello
- Radiation Oncology Branch and Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Michelle Bylicky
- Radiation Oncology Branch and Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - James B Mitchell
- Radiation Oncology Branch and Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Molykutty J Aryankalayil
- Radiation Oncology Branch and Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
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20
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Khandelwal M, Manglani K, Gupta S, Tiku AB. Gamma radiation improves AD pathogenesis in APP/PS1 mouse model by potentiating insulin sensitivity. Heliyon 2020; 6:e04499. [PMID: 32775714 PMCID: PMC7399127 DOI: 10.1016/j.heliyon.2020.e04499] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 04/23/2020] [Accepted: 07/15/2020] [Indexed: 11/30/2022] Open
Abstract
Alzheimer's disease (AD) is the largest unmet medical complication. The devastation caused by the disease can be assumed from the disease symptoms like speech impairment, loss of self-awareness, acute memory loss etc. The individuals suffering from AD completely depend on caregivers and have to bear the high cost of treatment which increases the socio-economic burden on the society. Recent studies have shown that radiation exposure can have therapeutic effects when given in suitable amount for a specific time period. Therefore, we investigated the role of gamma irradiation in AD pathogenesis. The effect of radiation on amelioration of disease progression was studied in AD transgenic mice model (APP/PS1). Our in-vivo studies using APP/PS1 mice demonstrated that a single dose of 4.0 Gy gamma irradiation improves AD associated behavioral impairment. Radiation exposure also increased the level of anti-oxidant enzymes and reduced the astrocyte activation in the brain of APP/PS1 mice. A significant reduction was observed in AD associated proteins (APP, pTau, BACE) and neurofibrillary tangle formations (NFTs). Exposure to a single dose of 4 Gy gamma radiation also increased glucose metabolic functionality in AD transgenic mouse model. The kinases involved in insulin signaling such as GSK, ERK and JNK were also found to be modulated. However, an increased level of GSK3β (ser 9) was observed, which could be responsible for downregulating ERK and JNK phosphorylation. This resulted in a decrease in neurofibrillary tangle formations and amyloid deposition. The reduced hyperphosphorylation of Tau can be attributed to the increased level of GSK3β (ser 9) downregulating ERK and JNK phosphorylation. Thus, a single dose of 4 Gy gamma irradiation was found to have therapeutic benefits in treating AD via potentiating insulin signaling in APP/PS1 transgenic mice.
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Affiliation(s)
- Mayuri Khandelwal
- Molecular Science Laboratory, National Institute of Immunology, New Delhi, 110067, India.,Radiation and Cancer Therapeutics Lab, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Kapil Manglani
- Molecular Science Laboratory, National Institute of Immunology, New Delhi, 110067, India
| | - Sarika Gupta
- Molecular Science Laboratory, National Institute of Immunology, New Delhi, 110067, India
| | - Ashu Bhan Tiku
- Radiation and Cancer Therapeutics Lab, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
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21
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Amorim NML, Kee A, Coster ACF, Lucas C, Bould S, Daniel S, Weir JM, Mellett NA, Barbour J, Meikle PJ, Cohn RJ, Turner N, Hardeman EC, Simar D. Irradiation impairs mitochondrial function and skeletal muscle oxidative capacity: significance for metabolic complications in cancer survivors. Metabolism 2020; 103:154025. [PMID: 31765667 DOI: 10.1016/j.metabol.2019.154025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 11/19/2019] [Accepted: 11/21/2019] [Indexed: 11/16/2022]
Abstract
BACKGROUND Metabolic complications are highly prevalent in cancer survivors treated with irradiation but the underlying mechanisms remain unknown. METHODS Chow or high fat-fed C57Bl/6J mice were irradiated (6Gy) before investigating the impact on whole-body or skeletal muscle metabolism and profiling their lipidomic signature. Using a transgenic mouse model (Tg:Pax7-nGFP), we isolated muscle progenitor cells (satellite cells) and characterised their metabolic functions. We recruited childhood cancer survivors, grouped them based on the use of total body irradiation during their treatment and established their lipidomic profile. RESULTS In mice, irradiation delayed body weight gain and impaired fat pads and muscle weights. These changes were associated with impaired whole-body fat oxidation in chow-fed mice and altered ex vivo skeletal muscle fatty acid oxidation, potentially due to a reduction in oxidative fibres and reduced mitochondrial enzyme activity. Irradiation led to fasting hyperglycaemia and impaired glucose uptake in isolated skeletal muscles. Cultured satellite cells from irradiated mice showed decreased fatty acid oxidation and reduced glucose uptake, recapitulating the host metabolic phenotype. Irradiation resulted in a remodelling of lipid species in skeletal muscles, with the extensor digitorum longus muscle being particularly affected. A large number of lipid species were reduced, with several of these species showing a positive correlation with mitochondrial enzymes activity. In cancer survivors exposed to irradiation, we found a similar decrease in systemic levels of most lipid species, and lipid species that increased were positively correlated with insulin resistance (HOMA-IR). CONCLUSION Irradiation leads to long-term alterations in body composition, and lipid and carbohydrate metabolism in skeletal muscle, and affects muscle progenitor cells. Such changes result in persistent impairment of metabolic functions, providing a new mechanism for the increased prevalence of metabolic diseases reported in irradiated individuals. In this context, changes in the lipidomic signature in response to irradiation could be of diagnostic value.
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Affiliation(s)
- Nadia M L Amorim
- Cellular and Genetic Medicine Unit, School of Medical Sciences, UNSW Sydney, Sydney, Australia
| | - Anthony Kee
- Cellular and Genetic Medicine Unit, School of Medical Sciences, UNSW Sydney, Sydney, Australia
| | - Adelle C F Coster
- School of Mathematics and Statistics, UNSW Sydney, Sydney, Australia
| | - Christine Lucas
- Cellular and Genetic Medicine Unit, School of Medical Sciences, UNSW Sydney, Sydney, Australia
| | - Sarah Bould
- Cellular and Genetic Medicine Unit, School of Medical Sciences, UNSW Sydney, Sydney, Australia
| | - Sara Daniel
- Mechanisms of Disease and Translational Research, School of Medical Sciences, UNSW Sydney, Sydney, Australia
| | - Jacquelyn M Weir
- Metabolomics Laboratory, Baker IDI, Heart and Diabetes Institute, Melbourne, Australia
| | - Natalie A Mellett
- Metabolomics Laboratory, Baker IDI, Heart and Diabetes Institute, Melbourne, Australia
| | - Jayne Barbour
- Mitochondrial Bioenergetics Lab, Department of Pharmacology, School of Medical Sciences, UNSW Sydney, Sydney, Australia
| | - Peter J Meikle
- Metabolomics Laboratory, Baker IDI, Heart and Diabetes Institute, Melbourne, Australia
| | - Richard J Cohn
- School of Women's and Children's Health, UNSW Sydney, Randwick, Australia; Kids Cancer Centre, Sydney Children's Hospital Network, Randwick, Australia
| | - Nigel Turner
- Mitochondrial Bioenergetics Lab, Department of Pharmacology, School of Medical Sciences, UNSW Sydney, Sydney, Australia
| | - Edna C Hardeman
- Cellular and Genetic Medicine Unit, School of Medical Sciences, UNSW Sydney, Sydney, Australia.
| | - David Simar
- Mechanisms of Disease and Translational Research, School of Medical Sciences, UNSW Sydney, Sydney, Australia.
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Aromatase deficiency in hematopoietic cells improves glucose tolerance in male mice through skeletal muscle-specific effects. PLoS One 2020; 15:e0227830. [PMID: 31971970 PMCID: PMC6977739 DOI: 10.1371/journal.pone.0227830] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 12/30/2019] [Indexed: 12/14/2022] Open
Abstract
Estrogens are important for maintaining metabolic health in males. However, the key sources of local estrogen production for regulating energy metabolism have not been fully defined. Immune cells exhibit aromatase activity and are resident in metabolic tissues. To determine the relative contribution of immune cell-derived estrogens for metabolic health in males, C57BL6/J mice underwent bone marrow transplant with marrow from either wild-type (WT(WT)) or aromatase-deficient (WT(ArKO)) donors. Body weight, body composition, and glucose and insulin tolerance were assessed over 24 weeks with mice maintained on a regular chow diet. No differences were found in insulin sensitivity between groups, but WT(ArKO) mice were more glucose tolerant than WT(WT) mice 20 weeks after transplant, suggestive of enhanced glucose disposal (AUCglucose 6061±3349 in WT(WT) mice versus 3406±1367 in WT(ArKO) mice, p = 0.01). Consistent with this, skeletal muscle from WT(ArKO) mice showed higher expression of the mitochondrial genes Ppargc1a (p = 0.03) and Nrf1 (p = 0.01), as well as glucose transporter type 4 (GLUT4, Scl2a4; p = 0.02). Skeletal muscle from WT(ArKO) mice had a lower concentration of 17β-estradiol (5489±2189 pg/gm in WT(WT) mice versus 3836±2160 pg/gm in WT(ArKO) mice, p = 0.08) but higher expression of estrogen receptor-α (ERα, Esr1), raising the possibility that aromatase deficiency in immune cells led to a compensatory increase in ERα signaling. No differences between groups were found with regard to body weight, adiposity, or gene expression within adipose tissue or liver. Immune cells are a key source of local 17β-estradiol production and contribute to metabolic regulation in males, particularly within skeletal muscle. The respective intracrine and paracrine roles of immune cell-derived estrogens require further delineation, as do the pathways that regulate aromatase activity in immune cells specifically within metabolic tissues.
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The Late Effects of Radiation Therapy on Skeletal Muscle Morphology and Progenitor Cell Content are Influenced by Diet-Induced Obesity and Exercise Training in Male Mice. Sci Rep 2019; 9:6691. [PMID: 31040340 PMCID: PMC6491594 DOI: 10.1038/s41598-019-43204-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 04/16/2019] [Indexed: 12/24/2022] Open
Abstract
Radiation exposure during muscle development induces long-term decrements to skeletal muscle health, which contribute to reduced quality of life in childhood cancer survivors. Whether the effects of radiation on skeletal muscle are influenced by relevant physiological factors, such as obesity and exercise training remains unknown. Using skeletal muscle from our previously published work examining the effects of obesity and exercise training on radiation-exposed bone marrow, we evaluated the influence of these physiological host factors on irradiated skeletal muscle morphology and cellular dynamics. Mice were divided into control and high fat diet groups with or without exercise training. All mice were then exposed to radiation and continued in their intervention group for an additional 4 weeks. Diet-induced obesity resulted in increased muscle fibrosis, while obesity and exercise training both increased muscle adiposity. Exercise training enhanced myofibre cross-sectional area and the number of satellite cells committed to the myogenic lineage. High fat groups demonstrated an increase in p-NFĸB expression, a trend for a decline in IL-6, and increase in TGFB1. These findings suggest exercise training improves muscle morphology and satellite cell dynamics compared to diet-induced obesity in irradiated muscle, and have implications for exercise interventions in cancer survivors.
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24
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Fractionated whole body gamma irradiation modulates the hepatic response in type II diabetes of high fat diet model rats. Mol Biol Rep 2019; 46:2273-2283. [PMID: 30747384 DOI: 10.1007/s11033-019-04681-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 02/07/2019] [Indexed: 10/27/2022]
Abstract
HFD animals were exposed to a low rate of different fractionated whole body gamma irradiation doses (0.5, 1 and 2 Gy, three fractions per week for two consecutive months) and the expression of certain genes involved in type 2 diabetes mellitus (T2DM) in livers and brains of HFD Wistar rats was investigated. Additionally, levels of diabetes-related proteins encoded by the studied genes were analyzed. Results indicated that mRNA level of incretin glucagon like peptite-1 receptor (GLP-1R) was augmented in livers and brains exposed to 1 and 2 Gy doses. Moreover, the mitochondrial uncoupling proteins 2 and 3 (UCP2/3) expressions in animals fed on HFD compared to those fed on normal chow diet were significantly increased at all applied doses. GLP-1R and UCP3 protein levels were up regulated in livers. Total protein content increased at 0.5 and 1 Gy gamma irradiation exposure and returned to its normal level at 2 Gy dose. Results could be an indicator of type 2 diabetes delayed development during irradiation exposure and support the importance of GLP-1R as a target gene in radiotherapy against T2DM and its chronic complications. A new hypothesis of brain-liver and intestine interface is speculated by which an increase in the hepatic GLP-1R is influenced by the effect of fractionated whole body gamma irradiation.
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25
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Daniel S, Nylander V, Ingerslev LR, Zhong L, Fabre O, Clifford B, Johnston K, Cohn RJ, Barres R, Simar D. T cell epigenetic remodeling and accelerated epigenetic aging are linked to long-term immune alterations in childhood cancer survivors. Clin Epigenetics 2018; 10:138. [PMID: 30400990 PMCID: PMC6219017 DOI: 10.1186/s13148-018-0561-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Accepted: 10/07/2018] [Indexed: 01/08/2023] Open
Abstract
Background Cancer treatments have substantially improved childhood cancer survival but are accompanied by long-term complications, notably chronic inflammatory diseases. We hypothesize that cancer treatments could lead to long-term epigenetic changes in immune cells, resulting in increased prevalence of inflammatory diseases in cancer survivors. Results To test this hypothesis, we established the epigenetic and transcriptomic profiles of immune cells from 44 childhood cancer survivors (CCS, > 16 years old) on full remission (> 5 years) who had received chemotherapy alone or in combination with total body irradiation (TBI) and hematopoietic stem cell transplant (HSCT). We found that more than 10 years post-treatment, CCS treated with TBI/HSCT showed an altered DNA methylation signature in T cell, particularly at genes controlling immune and inflammatory processes and oxidative stress. DNA methylation remodeling in T cell was partially associated with chronic expression changes of nearby genes, increased frequency of type 1 cytokine-producing T cell, elevated systemic levels of these cytokines, and over-activation of related signaling pathways. Survivors exposed to TBI/HSCT were further characterized by an Epigenetic-Aging-Signature of T cell consistent with accelerated epigenetic aging. To investigate the potential contribution of irradiation to these changes, we established two cell culture models. We identified that radiation partially recapitulated the immune changes observed in survivors through a bystander effect that could be mediated by circulating factors. Conclusion Cancer treatments, in particular TBI/HSCT, are associated with long-term immune disturbances. We propose that epigenetic remodeling of immune cells following cancer therapy augments inflammatory- and age-related diseases, including metabolic complications, in childhood cancer survivors. Electronic supplementary material The online version of this article (10.1186/s13148-018-0561-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sara Daniel
- Mechanisms of Disease and Translational Research, School of Medical Sciences, UNSW Sydney, Wallace Wurth Building East Room 420, Sydney, NSW, 2052, Australia
| | - Vibe Nylander
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, Panum, University of Copenhagen, 2200, Copenhagen N, Denmark
| | - Lars R Ingerslev
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, Panum, University of Copenhagen, 2200, Copenhagen N, Denmark
| | - Ling Zhong
- Bioanalytical Mass Spectrometry Facility, Mark Wainwright Analytical Centre, UNSW Sydney, Sydney, Australia
| | - Odile Fabre
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, Panum, University of Copenhagen, 2200, Copenhagen N, Denmark
| | - Briana Clifford
- Mechanisms of Disease and Translational Research, School of Medical Sciences, UNSW Sydney, Wallace Wurth Building East Room 420, Sydney, NSW, 2052, Australia
| | - Karen Johnston
- School of Women's and Children's Health, UNSW Sydney and Kids Cancer Centre, Sydney Children's Hospital Network, Randwick, Australia
| | - Richard J Cohn
- School of Women's and Children's Health, UNSW Sydney and Kids Cancer Centre, Sydney Children's Hospital Network, Randwick, Australia
| | - Romain Barres
- Mechanisms of Disease and Translational Research, School of Medical Sciences, UNSW Sydney, Wallace Wurth Building East Room 420, Sydney, NSW, 2052, Australia. .,The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, Panum, University of Copenhagen, 2200, Copenhagen N, Denmark.
| | - David Simar
- Mechanisms of Disease and Translational Research, School of Medical Sciences, UNSW Sydney, Wallace Wurth Building East Room 420, Sydney, NSW, 2052, Australia. .,The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, Panum, University of Copenhagen, 2200, Copenhagen N, Denmark.
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26
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Poupeau A, Garde C, Sulek K, Citirikkaya K, Treebak JT, Arumugam M, Simar D, Olofsson LE, Bäckhed F, Barrès R. Genes controlling the activation of natural killer lymphocytes are epigenetically remodeled in intestinal cells from germ-free mice. FASEB J 2018; 33:2719-2731. [PMID: 30303739 PMCID: PMC6338647 DOI: 10.1096/fj.201800787r] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Remodeling of the gut microbiota is implicated in various metabolic and inflammatory diseases of the gastrointestinal tract. We hypothesized that the gut microbiota affects the DNA methylation profile of intestinal epithelial cells (IECs) which could, in turn, alter intestinal function. In this study, we used mass spectrometry and methylated DNA capture to respectively investigate global and genome-wide DNA methylation of intestinal epithelial cells from germ-free (GF) and conventionally raised mice. In colonic IECs from GF mice, DNA was markedly hypermethylated. This was associated with a dramatic loss of ten-eleven-translocation activity, a lower DNA methyltransferase activity and lower circulating levels of the 1-carbon metabolite, folate. At the gene level, we found an enrichment for differentially methylated regions proximal to genes regulating the cytotoxicity of NK cells (false-discovery rate < 8.9E−6), notably genes regulating the cross-talk between NK cells and target cells, such as members of the NK group 2 member D ligand superfamily Raet. This distinct epigenetic signature was associated with a marked decrease in Raet1 expression and a loss of CD56+/CD45+ cells in the intestine of GF mice. Thus, our results indicate that altered activity of methylation-modifying enzymes in GF mice influences the IEC epigenome and modulates the crosstalk between IECs and NK cells. Epigenetic reprogramming of IECs may modulate intestinal function in diseases associated with altered gut microbiota.—Poupeau, A., Garde, C., Sulek, K., Citirikkaya, K., Treebak, J. T., Arumugam, M., Simar, D., Olofsson, L. E., Bäckhed, F., Barrès, R. Genes controlling the activation of natural killer lymphocytes are epigenetically remodeled in intestinal cells from germ-free mice.
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Affiliation(s)
- Audrey Poupeau
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Christian Garde
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Karolina Sulek
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Kiymet Citirikkaya
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jonas T Treebak
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Manimozhiyan Arumugam
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - David Simar
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Mechanisms of Disease and Translational Research, School of Medical Sciences, University of New South Wales, Sydney, New South Wales, Australia; and
| | - Louise E Olofsson
- Department of Molecular and Clinical Medicine, Wallenberg Laboratory and Sahlgrenska Center for Cardiovascular and Metabolic Research, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Fredrik Bäckhed
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Department of Molecular and Clinical Medicine, Wallenberg Laboratory and Sahlgrenska Center for Cardiovascular and Metabolic Research, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Romain Barrès
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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27
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Zhou Z, Sun B, Li X, Zhu C. DNA methylation landscapes in the pathogenesis of type 2 diabetes mellitus. Nutr Metab (Lond) 2018; 15:47. [PMID: 29988495 PMCID: PMC6025823 DOI: 10.1186/s12986-018-0283-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 06/18/2018] [Indexed: 01/22/2023] Open
Abstract
Although genetic variations and environmental factors are vital to the development and progression of type 2 diabetes mellitus (T2DM), emerging literature suggest that epigenetics, especially DNA methylation, play a key role in the pathogenesis of T2DM by affecting insulin secretion of pancreatic β cells and the body’s resistance to insulin. Previous studies have elucidated how DNA methylation interacted with various factors in T2DM pathogenesis. This review summarized the role of related methylation genes in insulin-sensitive organs, such as pancreatic islets, skeletal muscle, liver, brain and adipose tissue, as well as peripheral blood cells, comparing the tissue similarity and specificity of methylated genes, aiming at a better understanding of the pathogenesis of T2DM and providing new ideas for the personalized treatment of this metabolism-associated disease.
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Affiliation(s)
- Zheng Zhou
- 1Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000 China
| | - Bao Sun
- 2Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410000 China.,3Hunan Key Laboratory of Pharmacogenetics, Institute of Clinical Pharmacology, Central South University, Changsha, 410000 China
| | - Xiaoping Li
- 1Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000 China
| | - Chunsheng Zhu
- 1Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000 China
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28
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Transcriptomic and epigenetic responses to short-term nutrient-exercise stress in humans. Sci Rep 2017; 7:15134. [PMID: 29123172 PMCID: PMC5680174 DOI: 10.1038/s41598-017-15420-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 10/27/2017] [Indexed: 12/19/2022] Open
Abstract
High fat feeding impairs skeletal muscle metabolic flexibility and induces insulin resistance, whereas exercise training exerts positive effects on substrate handling and improves insulin sensitivity. To identify the genomic mechanisms by which exercise ameliorates some of the deleterious effects of high fat feeding, we investigated the transcriptional and epigenetic response of human skeletal muscle to 9 days of a high-fat diet (HFD) alone (Sed-HFD) or in combination with resistance exercise (Ex-HFD), using genome-wide profiling of gene expression and DNA methylation. HFD markedly induced expression of immune and inflammatory genes, which was not attenuated by Ex. Conversely, Ex markedly remodelled expression of genes associated with muscle growth and structure. We detected marked DNA methylation changes following HFD alone and in combination with Ex. Among the genes that showed a significant association between DNA methylation and gene expression changes were PYGM, which was epigenetically regulated in both groups, and ANGPTL4, which was regulated only following Ex. In conclusion, while short-term Ex did not prevent a HFD-induced inflammatory response, it provoked a genomic response that may protect skeletal muscle from atrophy. These epigenetic adaptations provide mechanistic insight into the gene-specific regulation of inflammatory and metabolic processes in human skeletal muscle.
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29
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Fanning KM, Pfisterer B, Davis AT, Presley TD, Williams IM, Wasserman DH, Cline JM, Kavanagh K. Changes in microvascular density differentiate metabolic health outcomes in monkeys with prior radiation exposure and subsequent skeletal muscle ECM remodeling. Am J Physiol Regul Integr Comp Physiol 2017; 313:R290-R297. [PMID: 28701320 DOI: 10.1152/ajpregu.00108.2017] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 06/27/2017] [Accepted: 06/27/2017] [Indexed: 01/14/2023]
Abstract
Radiation exposure accelerates the onset of age-related diseases such as diabetes, cardiovascular disease, and neoplasia and, thus, lends insight into in vivo mechanisms common to these disorders. Fibrosis and extracellular matrix (ECM) remodeling, which occur with aging and overnutrition and following irradiation, are risk factors for development of type 2 diabetes mellitus. We previously demonstrated an increased incidence of skeletal muscle insulin resistance and type 2 diabetes mellitus in monkeys that had been exposed to whole body irradiation 5-9 yr prior. We hypothesized that irradiation-induced fibrosis alters muscle architecture, predisposing irradiated animals to insulin resistance and overt diabetes. Rhesus macaques (Macaca mulatta, n = 7-8/group) grouped as nonirradiated age-matched controls (Non-Rad-CTL), irradiated nondiabetic monkeys (Rad-CTL), and irradiated monkeys that subsequently developed diabetes (Rad-DM) were compared. Prior radiation exposure resulted in persistent skeletal muscle ECM changes, including a relative overabundance of collagen IV and a trend toward increased transforming growth factor-β1. Preservation of microvascular markers differentiated the irradiated diabetic and nondiabetic groups. Microvascular density and plasma nitrate and heat shock protein 90 levels were lower in Rad-DM than Rad-CTL. These results are consistent with a protective effect of abundant microvasculature in maintaining glycemic control within radiation-induced fibrotic muscle.
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Affiliation(s)
- K M Fanning
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - B Pfisterer
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - A T Davis
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - T D Presley
- Department of Chemistry, Winston Salem State University, Winston-Salem, North Carolina; and
| | - I M Williams
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee
| | - D H Wasserman
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee
| | - J M Cline
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - K Kavanagh
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, North Carolina;
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30
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Katiraei S, Hoving LR, van Beek L, Mohamedhoesein S, Carlotti F, van Diepen JA, Rensen PCN, Netea MG, Willems van Dijk K, Berbée JFP, van Harmelen V. BMT decreases HFD-induced weight gain associated with decreased preadipocyte number and insulin secretion. PLoS One 2017; 12:e0175524. [PMID: 28445487 PMCID: PMC5406023 DOI: 10.1371/journal.pone.0175524] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 03/27/2017] [Indexed: 01/18/2023] Open
Abstract
Experimental bone marrow transplantation (BMT) in mice is commonly used to assess the role of immune cell-specific genes in various pathophysiological settings. The application of BMT in obesity research is hampered by the significant reduction in high-fat diet (HFD)-induced obesity. We set out to characterize metabolic tissues that may be affected by the BMT procedure and impair the HFD-induced response. Male C57BL/6 mice underwent syngeneic BMT using lethal irradiation. After a recovery period of 8 weeks they were fed a low-fat diet (LFD) or HFD for 16 weeks. HFD-induced obesity was reduced in mice after BMT as compared to HFD-fed control mice, characterized by both a reduced fat (-33%; p<0.01) and lean (-11%; p<0.01) mass, while food intake and energy expenditure were unaffected. As compared to control mice, BMT-treated mice had a reduced mature adipocyte volume (approx. -45%; p<0.05) and reduced numbers of preadipocytes (-38%; p<0.05) and macrophages (-62%; p<0.05) in subcutaneous, gonadal and visceral white adipose tissue. In BMT-treated mice, pancreas weight (-46%; p<0.01) was disproportionally decreased. This was associated with reduced plasma insulin (-68%; p<0.05) and C-peptide (-37%; p<0.01) levels and a delayed glucose clearance in BMT-treated mice on HFD as compared to control mice. In conclusion, the reduction in HFD-induced obesity after BMT in mice is at least partly due to alterations in the adipose tissue cell pool composition as well as to a decreased pancreatic secretion of the anabolic hormone insulin. These effects should be considered when interpreting results of experimental BMT in metabolic studies.
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Affiliation(s)
- Saeed Katiraei
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Lisa R Hoving
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Lianne van Beek
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Sharida Mohamedhoesein
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Françoise Carlotti
- Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands.,Department of Medicine, division of Nephrology Leiden University Medical Center, Leiden, The Netherlands
| | | | - Patrick C N Rensen
- Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands.,Department of Medicine, division of Endocrinology Leiden University Medical Center, Leiden, The Netherlands
| | - Mihai G Netea
- Department of Internal Medicine, Radboud UMC, Nijmegen, The Netherlands
| | - Ko Willems van Dijk
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands.,Department of Medicine, division of Endocrinology Leiden University Medical Center, Leiden, The Netherlands
| | - Jimmy F P Berbée
- Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands.,Department of Medicine, division of Endocrinology Leiden University Medical Center, Leiden, The Netherlands
| | - Vanessa van Harmelen
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
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