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Moulton C, Murri A, Benotti G, Fantini C, Duranti G, Ceci R, Grazioli E, Cerulli C, Sgrò P, Rossi C, Magno S, Di Luigi L, Caporossi D, Parisi A, Dimauro I. The impact of physical activity on promoter-specific methylation of genes involved in the redox-status and disease progression: A longitudinal study on post-surgery female breast cancer patients undergoing medical treatment. Redox Biol 2024; 70:103033. [PMID: 38211440 PMCID: PMC10821067 DOI: 10.1016/j.redox.2024.103033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/30/2023] [Accepted: 01/04/2024] [Indexed: 01/13/2024] Open
Abstract
Most anticancer treatments act on oxidative-stress pathways by producing reactive oxygen species (ROS) to kill cancer cells, commonly resulting in consequential drug-induced systemic cytotoxicity. Physical activity (PA) has arisen as an integrative cancer therapy, having positive health effects, including in redox-homeostasis. Here, we investigated the impact of an online supervised PA program on promoter-specific DNA methylation, and corresponding gene expression/activity, in 3 antioxidants- (SOD1, SOD2, and CAT) and 3 breast cancer (BC)-related genes (BRCA1, L3MBTL1 and RASSF1A) in a population-based sample of women diagnosed with primary BC, undergoing medical treatment. We further examined mechanisms involved in methylating and demethylating pathways, predicted biological pathways and interactions of exercise-modulated molecules, and the functional relevance of modulated antioxidant markers on parameters related to aerobic capacity/endurance, physical fatigue and quality of life (QoL). PA maintained levels of SOD activity in blood plasma, and at the cellular level significantly increased SOD2 mRNA (≈+77 %), contrary to their depletion due to medical treatment. This change was inversely correlated with DNA methylation in SOD2 promoter (≈-20 %). Similarly, we found a significant effect of PA only on L3MBTL1 promoter methylation (≈-25 %), which was inversely correlated with its mRNA (≈+43 %). Finally, PA increased TET1 mRNA levels (≈+15 %) and decreased expression of DNMT3B mRNA (≈-28 %). Our results suggest that PA-modulated DNA methylation affects several signalling pathways/biological activities involved in the cellular oxidative stress response, chromatin organization/regulation, antioxidant activity and DNA/protein binding. These changes may positively impact clinical outcomes and improve the response to cancer treatment in post-surgery BC patients.
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Affiliation(s)
- Chantalle Moulton
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Arianna Murri
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Gianmarco Benotti
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Cristina Fantini
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Guglielmo Duranti
- Unit of Biochemistry and Molecular Biology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Roberta Ceci
- Unit of Biochemistry and Molecular Biology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Elisa Grazioli
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Claudia Cerulli
- Unit of Biochemistry and Molecular Biology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Paolo Sgrò
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Cristina Rossi
- Center for Integrative Oncology, Fondazione Policlinico Universitario A.Gemelli IRCCS, Italy
| | - Stefano Magno
- Center for Integrative Oncology, Fondazione Policlinico Universitario A.Gemelli IRCCS, Italy
| | - Luigi Di Luigi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Attilio Parisi
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy.
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Caporossi D, Dimauro I. Exercise-induced redox modulation as a mediator of DNA methylation in health maintenance and disease prevention. Free Radic Biol Med 2024; 213:113-122. [PMID: 38242245 DOI: 10.1016/j.freeradbiomed.2024.01.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 01/21/2024]
Abstract
The evidence for physical activity (PA) as a major public health preventive approach and a potent medical therapy has increased exponentially in the last decades. The biomolecular mechanisms supporting the associations between PA and/or structured exercise training with health maintenance and disease prevention are not completely characterized. However, increasing evidence pointed out the role of epigenetic modifications in exercise adaptation and health-enhancing PA throughout life, DNA methylation being the most intensely studied epigenetic modification induced by acute and chronic exercise. The current data on the modulation of DNA methylation determined by physically active behavior or exercise interventions points out genes related to energy regulation, mitochondrial function, and biosynthesis, as well as muscle regeneration, calcium signaling pathways, and brain plasticity, all consistent with the known exercise-induced redox signaling and/or reactive oxygen species (ROS) unbalance. Thus, the main focus of this review is to discuss the role of ROS and redox-signaling on DNA methylation profile and its impact on exercise-induced health benefits in humans.
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Affiliation(s)
- Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro De Bosis 15, Rome, 00135, Italy.
| | - Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro De Bosis 15, Rome, 00135, Italy
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Moulton C, Grazioli E, Antinozzi C, Fantini C, Cerulli C, Murri A, Duranti G, Ceci R, Vulpiani MC, Pellegrini P, Nusca SM, Cavaliere F, Fabbri S, Sgrò P, Di Luigi L, Caporossi D, Parisi A, Dimauro I. Online Home-Based Physical Activity Counteracts Changes of Redox-Status Biomarkers and Fitness Profiles during Treatment Programs in Postsurgery Female Breast Cancer Patients. Antioxidants (Basel) 2023; 12:antiox12051138. [PMID: 37238004 DOI: 10.3390/antiox12051138] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/06/2023] [Accepted: 05/19/2023] [Indexed: 05/28/2023] Open
Abstract
Breast cancer (BC) is one of the most commonly diagnosed types of cancer in women. Oxidative stress may contribute to cancer etiology through several mechanisms. A large body of evidence indicates that physical activity (PA) has positive effects on different aspects of BC evolution, including mitigation of negative effects induced by medical treatment. With the aim to verify the capacity of PA to counteract negative effects of BC treatment on systemic redox homeostasis in postsurgery female BC patients, we have examined the modulation of circulating levels of oxidative stress and inflammation markers. Moreover, we evaluated the impacts on physical fitness and mental well-being by measuring functional parameters, body mass index, body composition, health-related quality of life (QoL), and fatigue. Our investigation revealed that PA was effective in maintaining plasma levels of superoxide dismutase (SOD) activity and tGSH, as well as peripheral blood mononuclear cells' (PBMCs) mRNA levels of SOD1 and heat-shock protein 27. Moreover, we found a significant decrease in plasma interleukin-6 (≈0.57 ± 0.23-fold change, p < 0.05) and increases in both interleukin-10 (≈1.15 ± 0.35-fold change, p < 0.05) and PBMCs' mRNA level of SOD2 (≈1.87 ± 0.36-fold change, p < 0.05). Finally, PA improves functional parameters (6 min walking test, ≈+6.50%, p < 0.01; Borg, ≈-58.18%, p < 0.01; sit-and-reach, ≈+250.00%, p < 0.01; scratch right, ≈-24.12%, and left, ≈-18.81%, p < 0.01) and body composition (free fat mass, ≈+2.80%, p < 0.05; fat mass, ≈-6.93%, p < 0.05) as well as the QoL (physical function, ≈+5.78%, p < 0.05) and fatigue (cognitive fatigue, ≈-60%, p < 0.05) parameters. These results suggest that a specific PA program not only is effective in improving functional and anthropometric parameters but may also activate cellular responses through a multitude of actions in postsurgery BC patients undergoing adjuvant therapy. These may include modulation of gene expression and protein activity and impacting several signaling pathways/biological activities involved in tumor-cell growth; metastasis; and inflammation, as well as moderating distress symptoms known to negatively affect QoL.
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Affiliation(s)
- Chantalle Moulton
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Elisa Grazioli
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Cristina Antinozzi
- Endocrinology Unit, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Cristina Fantini
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Claudia Cerulli
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Arianna Murri
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Guglielmo Duranti
- Unit of Biochemistry and Molecular Biology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Roberta Ceci
- Unit of Biochemistry and Molecular Biology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Maria Chiara Vulpiani
- Department of Medical-Surgical and Translational Medicine Sciences, La Sapienza University of Rome, 00185 Rome, Italy
| | - Patrizia Pellegrini
- Department of Medical-Surgical and Translational Medicine Sciences, La Sapienza University of Rome, 00185 Rome, Italy
| | - Sveva Maria Nusca
- Department of Medical-Surgical and Translational Medicine Sciences, La Sapienza University of Rome, 00185 Rome, Italy
| | - Francesco Cavaliere
- Unit of Breast Surgery, Center of Breast of Belcolle Hospital, 01100 Viterbo, Italy
| | - Simona Fabbri
- Unit of Breast Surgery, Center of Breast of Belcolle Hospital, 01100 Viterbo, Italy
| | - Paolo Sgrò
- Endocrinology Unit, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Luigi Di Luigi
- Endocrinology Unit, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Attilio Parisi
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
| | - Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy
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Lisi V, Senesi G, Bertola N, Pecoraro M, Bolis S, Gualerzi A, Picciolini S, Raimondi A, Fantini C, Moretti E, Parisi A, Sgrò P, Di Luigi L, Geiger R, Ravera S, Vassalli G, Caporossi D, Balbi C. Plasma-derived extracellular vesicles released after endurance exercise exert cardioprotective activity through the activation of antioxidant pathways. Redox Biol 2023; 63:102737. [PMID: 37236143 DOI: 10.1016/j.redox.2023.102737] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/08/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Cardiovascular diseases (CVD) can cause various conditions, including an increase in reactive oxygen species (ROS) levels that can decrease nitric oxide (NO) availability and promote vasoconstriction, leading to arterial hypertension. Physical exercise (PE) has been found to be protective against CVD by helping to maintain redox homeostasis through a decrease in ROS levels, achieved by increased expression of antioxidant enzymes (AOEs) and modulation of heat shock proteins (HSPs). Extracellular vesicles (EVs) circulating in the body are a major source of regulatory signals, including proteins and nucleic acids. Interestingly, the cardioprotective role of EVs released after PE has not been fully described. The aim of this study was to investigate the role of circulating EVs, obtained through Size Exclusion Chromatography (SEC) of plasma samples from healthy young males (age: 26.95 ± 3.07; estimated maximum oxygen consumption rate (VO2max): 51.22 ± 4.85 (mL/kg/min)) at basal level (Pre_EVs) and immediately after a single bout of endurance exercise (30' treadmill, 70% heart rate (HR) -Post_EVs). Gene ontology (GO) analysis of proteomic data from isolated EVs, revealed enrichment in proteins endowed with catalytic activity in Post_EVs, compare to Pre_EVs, with MAP2K1 being the most significantly upregulated protein. Enzymatic assays on EVs derived from Pre and Post samples showed increment in Glutathione Reductase (GR) and Catalase (CAT) activity in Post_EVs. At functional level, Post_EVs, but not Pre_EVs, enhanced the activity of antioxidant enzymes (AOEs) and reduced oxidative damage accumulation in treated human iPS-derived cardiomyocytes (hCM) at basal level and under stress conditions (Hydrogen Peroxide (H2O2) treatment), resulting in a global cardioprotective effect. In conclusion, our data demonstrated, for the first time, that a single 30-min endurance exercise is able to alter the cargo of circulating EVs, resulting in cardioprotective effect through antioxidant activity.
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Affiliation(s)
- Veronica Lisi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Giorgia Senesi
- Cellular and Molecular Cardiology, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland; Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland
| | - Nadia Bertola
- Department of Experimental Medicine, University of Genoa, 16132, Genova, Italy
| | - Matteo Pecoraro
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Sara Bolis
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Alice Gualerzi
- Laboratory of Nanomedicine and Clinical Biophotonics (LABION), IRCCS Fondazione Don Carlo Gnocchi, Milan, Italy
| | - Silvia Picciolini
- Laboratory of Nanomedicine and Clinical Biophotonics (LABION), IRCCS Fondazione Don Carlo Gnocchi, Milan, Italy
| | - Andrea Raimondi
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland; Centro Imaging Sperimentale, IRCCS Istituto Scientifico San Raffaele, Via Olgettina 52, 20132, Milan, Italy
| | - Cristina Fantini
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Elisa Moretti
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Attilio Parisi
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Paolo Sgrò
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Luigi Di Luigi
- Endocrinology Unit, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Roger Geiger
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Silvia Ravera
- Department of Experimental Medicine, University of Genoa, 16132, Genova, Italy
| | - Giuseppe Vassalli
- Cellular and Molecular Cardiology, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland; Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland; Center for Molecular Cardiology, Zurich, Switzerland
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Carolina Balbi
- Cellular and Molecular Cardiology, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland; Center for Molecular Cardiology, Zurich, Switzerland.
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Lisi V, Moulton C, Fantini C, Grazioli E, Guidotti F, Sgrò P, Dimauro I, Capranica L, Parisi A, Di Luigi L, Caporossi D. Steady-state redox status in circulating extracellular vesicles: A proof-of-principle study on the role of fitness level and short-term aerobic training in healthy young males. Free Radic Biol Med 2023; 204:266-275. [PMID: 37182793 DOI: 10.1016/j.freeradbiomed.2023.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/24/2023] [Accepted: 05/07/2023] [Indexed: 05/16/2023]
Abstract
Considering the role of redox homeostasis in exercise-induced signaling and adaptation, this study focuses on the exercise training-related intercellular communication of redox status mediated by circulating extracellular vesicles (EVs). 19 healthy young males were divided into trained (TG, 7) and untrained (UG, 12) subjects based on their VO2MAX. The UG subjects were further randomly distributed in experimental (UGEX, N = 7) and control (UGCTRL, N = 5) groups. The steady state of plasma EVs in TG and UGEX have been characterized for total number and size, as well as cargo redox status (antioxidants, transcription factors, HSPs) before, 3 and 24 h after a single bout of aerobic exercise (30', 70% HRM). Plasma EVs from UGEX and UGCTRL have been further characterized after 24 h from the last session of a 5-day consecutive aerobic training or no training, respectively. No differences were detected in the EVs' size and distribution at baseline in TG and UGEX (p>0.05), while the EVs cargo of UGEX showed a significantly higher concentration of protein carbonyl, Catalase, SOD2, and HSF1 compared to TG (p<0.05). 5 days of consecutive aerobic training in UGEX did not determine major changes in the steady-state number and size of EVs. The post-training levels of protein carbonyl, HSF1, Catalase, and SOD2 in EVs cargo of UGEX resulted significantly lower compared with UGEX before training and UGCTRL, resembling the steady-state levels in circulating EVs of TG subjects. Altogether, these preliminary data indicate that individual aerobic capacity influences the redox status of circulating EVs, and that short-term aerobic training impacts the steady-state redox status of EVs. Taking this pilot study as a paradigm for physio-pathological stimuli impacting redox homeostasis, our results offer new insights into the utilization of circulating EVs as biomarkers of exercise efficacy and of early impairment of oxidative-stress related diseases.
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Affiliation(s)
- Veronica Lisi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Chantalle Moulton
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Cristina Fantini
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Elisa Grazioli
- Physical Exercise and Sport Sciences Unit, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Flavia Guidotti
- Sport Performance Laboratory, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Paolo Sgrò
- Endocrinology Unit, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Laura Capranica
- Sport Performance Laboratory, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Attilio Parisi
- Physical Exercise and Sport Sciences Unit, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Luigi Di Luigi
- Endocrinology Unit, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy.
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Antinozzi C, Grazioli E, De Santis M, Motta F, Sgrò P, Mari F, Mauri C, Parisi A, Caporossi D, Duranti G, Ceci R, Di Luigi L, Dimauro I. The Preventive Role of Physical Activity in Systemic Sclerosis: A Cross-Sectional Study on the Correlation with Clinical Parameters and Disease Progression. Int J Environ Res Public Health 2022; 19:10303. [PMID: 36011938 PMCID: PMC9407825 DOI: 10.3390/ijerph191610303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/11/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
Although exercise is associated with improved health in many medical conditions, little is known about the possible influences of physical activity (PA) habits pre- and post- a diagnosis of systemic sclerosis (SSc) on disease activity and progression. This cross-sectional study assessed, for the first time, self-reported pre- and post-diagnostic PA levels with the aim to verify if changes in these levels were correlated with demographic/anthropometric data (e.g., weight, height, gender, age, BMI), disease duration, diagnostic/clinical parameters (e.g., skin involvement, pulmonary hemodynamic/echocardiographic data, disease activity) related to disease activity and progression, and quality of life in a population-based sample of patients with SSc. Adult participants (n = 34, age 56.6 ± 13.3 years) with SSc (limited cutaneous SSc, lcSSc, n = 20; diffuse cutaneous SSc, dcSSc, n = 9; sine scleroderma SSc, n = 5) were enrolled at the Division of Rheumatology and Clinical Immunology of the Humanitas Research Hospital. All medical data were recorded during periodic clinical visits by a rheumatologist. Moreover, all subjects included in this study completed extensive questionnaires to evaluate their health-related quality of life (HRQOL), and others related to health-related physical activity performed before (PRE) and after (POST) the diagnosis of disease. The linear regression analysis has shown that either a high Sport_index or Leisure_index in the PRE-diagnostic period was correlated with lower disease duration in dcSSc patients. Physical load during sport activity and leisure time accounted for ~61.1% and ~52.6% of the individual variation in disease duration, respectively. In lcSSc patients, a high PRE value related to physical load during sporting activities was correlated with a low pulmonary artery systolic pressure (sPAP) and the POST value of the Work_index was positively correlated with the left ventricular ejection fraction (LVEF), and negatively with creatine kinase levels (CK). Interestingly, the univariate analysis showed that Work_index accounts for ~29.4% of the variance in LVEF. Our analysis clearly reinforces the concept that high levels of physical load may play a role in primary prevention-delaying the onset of the disease in those subjects with a family history of SSc-as well as in secondary prevention, improving SSc management through a positive impact on different clinical parameters of the disease. However, it remains a priority to identify a customized physical load in order to minimize the possible negative effects of PA.
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Affiliation(s)
- Cristina Antinozzi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Elisa Grazioli
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
- Department of Experimental and Clinical Medicine, “Magna Graecia” University, 88100 Catanzaro, Italy
| | - Maria De Santis
- IRCCS Humanitas Research Hospital—Division of Rheumatology and Clinical Immunology, Via Manzoni 56, Rozzano, 20089 Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
| | - Francesca Motta
- IRCCS Humanitas Research Hospital—Division of Rheumatology and Clinical Immunology, Via Manzoni 56, Rozzano, 20089 Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
| | - Paolo Sgrò
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Federico Mari
- Unit of Bioengineering and Neuromechanics of Movement, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Caterina Mauri
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Attilio Parisi
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Daniela Caporossi
- Unit of Biology and Human Genetic, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Guglielmo Duranti
- Unit of Biochemistry of Movement, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Roberta Ceci
- Unit of Biochemistry of Movement, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Luigi Di Luigi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
| | - Ivan Dimauro
- Unit of Biology and Human Genetic, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy
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Antinozzi C, Duranti G, Ceci R, Lista M, Sabatini S, Caporossi D, Di Luigi L, Sgrò P, Dimauro I. Hydrogen Peroxide Stimulates Dihydrotestosterone Release in C2C12 Myotubes: A New Perspective for Exercise-Related Muscle Steroidogenesis? Int J Mol Sci 2022; 23:ijms23126566. [PMID: 35743011 PMCID: PMC9223901 DOI: 10.3390/ijms23126566] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/06/2022] [Accepted: 06/09/2022] [Indexed: 02/05/2023] Open
Abstract
Skeletal muscle is a tissue that has recently been recognized for its ability to produce androgens under physiological conditions. The steroidogenesis process is known to be negatively influenced by reactive oxygen species (ROS) in reproductive Leydig and ovary cells, while their effect on muscle steroidogenesis is still an unexplored field. Muscle cells are continuously exposed to ROS, resulting from both their metabolic activity and the surrounding environment. Interestingly, the regulation of signaling pathways, induced by mild ROS levels, plays an important role in muscle fiber adaptation to exercise, in a process that also elicits a significant modulation in the hormonal response. The aim of the present study was to investigate whether ROS could influence steroidogenesis in skeletal muscle cells by evaluating the release of testosterone (T) and dihydrotestosterone (DHT), as well as the evaluation of the relative expression of the key steroidogenic enzymes 5α-reductase, 3β-hydroxysteroid dehydrogenase (HSD), 17β-HSD, and aromatase. C2C12 mouse myotubes were exposed to a non-cytotoxic concentration of hydrogen peroxide (H2O2), a condition intended to reproduce, in vitro, one of the main stimuli linked to the process of homeostasis and adaptation induced by exercise in skeletal muscle. Moreover, the influence of tadalafil (TAD), a phosphodiesterase 5 inhibitor (PDE5i) originally used to treat erectile dysfunction but often misused among athletes as a "performance-enhancing" drug, was evaluated in a single treatment or in combination with H2O2. Our data showed that a mild hydrogen peroxide exposure induced the release of DHT, but not T, and modulated the expression of the enzymes involved in steroidogenesis, while TAD treatment significantly reduced the H2O2-induced DHT release. This study adds a new piece of information about the adaptive skeletal muscle cell response to an oxidative environment, revealing that hydrogen peroxide plays an important role in activating muscle steroidogenesis.
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Affiliation(s)
- Cristina Antinozzi
- Endocrinology Unit, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (C.A.); (M.L.); (L.D.L.)
| | - Guglielmo Duranti
- Laboratory of Biochemistry of Movement, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (R.C.); (S.S.)
- Correspondence: (G.D.); (P.S.)
| | - Roberta Ceci
- Laboratory of Biochemistry of Movement, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (R.C.); (S.S.)
| | - Marco Lista
- Endocrinology Unit, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (C.A.); (M.L.); (L.D.L.)
| | - Stefania Sabatini
- Laboratory of Biochemistry of Movement, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (R.C.); (S.S.)
| | - Daniela Caporossi
- Laboratory of Biology and Human Genetic, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (D.C.); (I.D.)
| | - Luigi Di Luigi
- Endocrinology Unit, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (C.A.); (M.L.); (L.D.L.)
| | - Paolo Sgrò
- Endocrinology Unit, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (C.A.); (M.L.); (L.D.L.)
- Correspondence: (G.D.); (P.S.)
| | - Ivan Dimauro
- Laboratory of Biology and Human Genetic, Department of Movement, Human and Health Sciences, Università degli Studi di Roma “Foro Italico”, Piazza Lauro De Bosis 6, 00135 Roma, Italy; (D.C.); (I.D.)
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Tranchita E, Murri A, Grazioli E, Cerulli C, Emerenziani GP, Ceci R, Caporossi D, Dimauro I, Parisi A. The Beneficial Role of Physical Exercise on Anthracyclines Induced Cardiotoxicity in Breast Cancer Patients. Cancers (Basel) 2022; 14:cancers14092288. [PMID: 35565417 PMCID: PMC9104319 DOI: 10.3390/cancers14092288] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/15/2022] [Accepted: 04/29/2022] [Indexed: 12/24/2022] Open
Abstract
The increase in breast cancer (BC) survival has determined a growing survivor population that seems to develop several comorbidities and, specifically, treatment-induced cardiovascular disease (CVD), especially those patients treated with anthracyclines. Indeed, it is known that these compounds act through the induction of supraphysiological production of reactive oxygen species (ROS), which appear to be central mediators of numerous direct and indirect cardiac adverse consequences. Evidence suggests that physical exercise (PE) practised before, during or after BC treatments could represent a viable non-pharmacological strategy as it increases heart tolerance against many cardiotoxic agents, and therefore improves several functional, subclinical, and clinical parameters. At molecular level, the cardioprotective effects are mainly associated with an exercise-induced increase of stress response proteins (HSP60 and HSP70) and antioxidant (SOD activity, GSH), as well as a decrease in lipid peroxidation, and pro-apoptotic proteins such as Bax, Bax-to-Bcl-2 ratio. Moreover, this protection can potentially be explained by a preservation of myosin heavy chain (MHC) isoform distribution. Despite this knowledge, it is not clear which type of exercise should be suggested in BC patient undergoing anthracycline treatment. This highlights the lack of special guidelines on how affected patients should be managed more efficiently. This review offers a general framework for the role of anthracyclines in the physio-pathological mechanisms of cardiotoxicity and the potential protective role of PE. Finally, potential exercise-based strategies are discussed on the basis of scientific findings.
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Affiliation(s)
- Eliana Tranchita
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
| | - Arianna Murri
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
| | - Elisa Grazioli
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy;
- Correspondence: ; Tel.: +39-06-3673-3532
| | - Claudia Cerulli
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
| | - Gian Pietro Emerenziani
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy;
| | - Roberta Ceci
- Laboratory of Biochemistry and Molecular Biology, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy;
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (D.C.); (I.D.)
| | - Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (D.C.); (I.D.)
| | - Attilio Parisi
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
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Dimauro I, Grazioli E, Antinozzi C, Duranti G, Arminio A, Mancini A, Greco EA, Caporossi D, Parisi A, Di Luigi L. Estrogen-Receptor-Positive Breast Cancer in Postmenopausal Women: The Role of Body Composition and Physical Exercise. Int J Environ Res Public Health 2021; 18:9834. [PMID: 34574758 PMCID: PMC8467802 DOI: 10.3390/ijerph18189834] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/15/2021] [Accepted: 09/17/2021] [Indexed: 12/14/2022]
Abstract
Breast cancer (BC) is the most commonly diagnosed cancer among women worldwide and the most common cause of cancer-related death. To date, it is still a challenge to estimate the magnitude of the clinical impact of physical activity (PA) on those parameters producing significative changes in future BC risk and disease progression. However, studies conducted in recent years highlight the role of PA not only as a protective factor for the development of ER+ breast cancer but, more generally, as a useful tool in the management of BC treatment as an adjuvant to traditional therapies. In this review, we focused our attention on data obtained from human studies analyzing, at each level of disease prevention (i.e., primary, secondary, tertiary and quaternary), the positive impact of PA/exercise in ER+ BC, a subtype representing approximately 70% of all BC diagnoses. Moreover, given the importance of estrogen receptors and body composition (i.e., adipose tissue) in this subtype of BC, an overview of their role will also be made throughout this review.
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Affiliation(s)
- Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy;
| | - Elisa Grazioli
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.G.); (A.P.)
| | - Cristina Antinozzi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (C.A.); (A.A.); (E.A.G.); (L.D.L.)
| | - Guglielmo Duranti
- Unit of Biocheminstry and Molecular Biology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy;
| | - Alessia Arminio
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (C.A.); (A.A.); (E.A.G.); (L.D.L.)
| | - Annamaria Mancini
- Dipartimento di Scienze Motorie e del Benessere (DISMeB), Università Degli Studi di Napoli “Parthenope”, Via F. Acton, 38, 80133 Naples, Italy;
- CEINGE-Biotecnologie Avanzate s.c.ar.l., Via Gaetano Salvatore 482, 80145 Naples, Italy
| | - Emanuela A. Greco
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (C.A.); (A.A.); (E.A.G.); (L.D.L.)
- Department of Health Science, University “Magna Graecia” of Catanzaro, Viale Europa, 88100 Catanzaro, Italy
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy;
| | - Attilio Parisi
- Unit of Physical Exercise and Sport Sciences, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.G.); (A.P.)
| | - Luigi Di Luigi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (C.A.); (A.A.); (E.A.G.); (L.D.L.)
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Antinozzi C, Dimauro I, Sgrò P, Caporossi D, Del Galdo F, DI Luigi L. AB0089 SILDENAFIL COUNTERACTS THE ACTIVATION OF CXCR3/CXCL10, -11 AXIS IN SCLERODERMA FIBROBLASTS EXPOSED TO REACTIVE OXYGEN SPECIES. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Oxidative stress associated with vascular damage represents one the major contributor in the pathogenesis of systemic sclerosis (SSc) [1]. Indeed, different studies demonstrated that excessive free radicals production can contribute to the activation of fibrotic process in the skin and visceral organs [1]. CXCL10 and CXCL11, together with their receptor CXCR3, are involved in vascular damage and in fibrosis [2]. Furthermore, these chemokines have been proposed as biomarkers of vascular damage progression and severe SSc prognosis [3].Emerging evidences highlight the beneficial effects of the phosphodiesterase type 5 (PDE5) inhibitor, sildenafil, to protect different cell types from reactive oxygen species (ROS)-induced DNA damage, in vitro [3]. This effect has been linked to modulation of CXCL10 concentration in different pathological conditions [4,5].Objectives:Here we set out to investigate the effects of sildenafil, in modulating the CXCR3/CXCL10, -11 inflammatory axis in dermal fibroblasts exposed to oxidative stress, in vitro.Methods:Human dermal fibroblasts isolated by SSc skin biopsies were treated for 24h with 100µM of hydrogen peroxide (H2O2), in the presence or not of sildenafil (1µM). Dermal fibrobalsts from healthy skin were used as controls. CXCL10 and CXCL11 were evaluated in cell medium by luminex technology assay; expression of chemokine receptor (CXCR)3 and peroxisome proliferator-activated receptor (PPARγ) (a regulator of CXCL10,-11 mRNA) was evaluated by western blot assay.Results:As showed in figure 1, SSc fibroblasts (grey bar) showed similar basal levels of CXCL10 (A) and CXCL11 (B) to healthy controls (black bar). H2O2 induced a significant increase of both chemokines only in SSc fibroblasts (by 4.6 fold for CXCL10 and by 4.2 fold for CXCL11) (*P<0.05 and **P<0.01 vs. c; #P<0.05 vs. healthy controls). Sildenal pre-incubation reduced by approximatively 50% the effects of H2O2 on chemokines release (Figure 1A and B) (§P<0.05 vs. H2O2), and reduced the expression of CXCR3 and PPARγ induced by hydrogen peroxyde exposure (data not shown).Conclusion:In vitro study on dermal fibroblasts support clinical studies to determine the efficacy of sildenafil in the preventing tissue damage and fibrosis in SSc, by reducing the pro-inflammatory activation induced by oxidative stress.References:[1]Di Luigi L, Sgrò P, Duranti G, Sabatini S, Caporossi D, Del Galdo F, Dimauro I, Antinozzi C. Sildenafil Reduces Expression and Release of IL-6 and IL-8 Induced by Reactive Oxygen Species in Systemic Sclerosis Fibroblasts. Int J Mol Sci. 2020 Apr 30;21(9):3161. doi: 10.3390/ijms21093161. PMID: 32365773; PMCID: PMC7246497.[2]Koper OM, Kamińska J, Sawicki K, Kemona H. CXCL9, CXCL10, CXCL11, and their receptor (CXCR3) in neuroinflammation and neurodegeneration. Adv Clin Exp Med. 2018 Jun;27(6):849-856. doi: 10.17219/acem/68846. PMID: 29893515.[3]Crescioli C, Corinaldesi C, Riccieri V, Raparelli V, Vasile M, Del Galdo F, Valesini G, Lenzi A, Basili S, Antinozzi C. Association of circulating CXCL10 and CXCL11 with systemic sclerosis. Ann Rheum Dis. 2018 Dec;77(12):1845-1846. doi: 10.1136/annrheumdis-2018-213257. Epub 2018 May 14. PMID: 29760155; PMCID: PMC6241615.[4]Giannattasio S, Corinaldesi C, Colletti M, Di Luigi L, Antinozzi C, Filardi T, Scolletta S, Basili S, Lenzi A, Morano S, Crescioli C. The phosphodiesterase 5 inhibitor sildenafil decreases the proinflammatory chemokine IL-8 in diabetic cardiomyopathy: in vivo and in vitro evidence. J Endocrinol Invest. 2019 Jun;42(6):715-725. doi: 10.1007/s40618-018-0977-y. Epub 2018 Nov 10. PMID: 30415310; PMCID: PMC6531405.[5]You N, Li J, Huang X, Wu K, Tang Y, Wang L, Li H, Mi N, Zheng L. COMMD7 activates CXCL10 production by regulating NF-κB and the production of reactive oxygen species. Mol Med Rep. 2018 May;17(5):6784-6788. doi: 10.3892/mmr.2018.8706. Epub 2018 Mar 8. PMID: 29532873.Disclosure of Interests:None declared
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Antinozzi C, Sgrò P, Marampon F, Caporossi D, Del Galdo F, Dimauro I, Di Luigi L. Sildenafil Counteracts the In Vitro Activation of CXCL-9, CXCL-10 and CXCL-11/CXCR3 Axis Induced by Reactive Oxygen Species in Scleroderma Fibroblasts. Biology (Basel) 2021; 10:491. [PMID: 34073032 PMCID: PMC8229934 DOI: 10.3390/biology10060491] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/26/2021] [Accepted: 05/29/2021] [Indexed: 02/06/2023]
Abstract
Oxidative stress plays a key role in systemic sclerosis (SSc) pathogenesis, and an altered redox homeostasis might be responsible for abnormal inflammatory status, fibrosis and tissue damage extension. In this study, we explored the effect of the phosphodiesterase type 5 inhibitor sildenafil in modulating the activation of the CXCL-9, -10, -11/CXCR3 axis, which is fundamental in the perpetuation of inflammation in different autoimmune diseases, in the cell culture of SSc human dermal fibroblasts exposed to a pro-oxidant environment. We observed that sildenafil significantly reduced gene expression and release of CXCL-9, -10 and -11, inhibited the CXCR3 action and suppressed the activation of STAT1-, JNK- and p38MAPK pathways. This in vitro study on dermal fibroblasts supports clinical studies to consider the efficacy of sildenafil in preventing tissue damage and fibrosis in SSc by targeting central biomarkers of disease progression, vascular injuries and fibrosis and reducing the pro-inflammatory activation induced by oxidative stress.
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Affiliation(s)
- Cristina Antinozzi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (P.S.); (F.M.); (L.D.L.)
| | - Paolo Sgrò
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (P.S.); (F.M.); (L.D.L.)
| | - Francesco Marampon
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (P.S.); (F.M.); (L.D.L.)
- Department of Radiotherapy, Sapienza University of Rome, 00185 Rome, Italy
| | - Daniela Caporossi
- Unit of Biology and Genetic, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (D.C.); (I.D.)
| | - Francesco Del Galdo
- Leeds Institue of Rheumatic and Musculoskeletal Medicine and Diseases and NIHR Biomedical Research Centre, University of Leeds, Leeds LS2 9JT, UK;
| | - Ivan Dimauro
- Unit of Biology and Genetic, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (D.C.); (I.D.)
| | - Luigi Di Luigi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (P.S.); (F.M.); (L.D.L.)
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D’Amico D, Fiore R, Caporossi D, Di Felice V, Cappello F, Dimauro I, Barone R. Function and Fiber-Type Specific Distribution of Hsp60 and αB-Crystallin in Skeletal Muscles: Role of Physical Exercise. Biology (Basel) 2021; 10:biology10020077. [PMID: 33494467 PMCID: PMC7911561 DOI: 10.3390/biology10020077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/15/2021] [Accepted: 01/19/2021] [Indexed: 12/19/2022]
Abstract
Simple Summary Skeletal muscle represents about 40% of the body mass in humans and it is a copious and plastic tissue, rich in proteins that are subject to continuous rearrangements. Physical exercise is considered a physiological stressor for different organs, in particular for skeletal muscle, and it is a factor able to stimulate the cellular remodeling processes related to the phenomenon of adaptation. All cells respond to various stress conditions by up-regulating the expression and/or activation of a group of proteins called heat shock proteins (HSPs). Although their expression is induced by several stimuli, they are commonly recognized as HSPs due to the first experiments showing their increased transcription after application of heat shock. These proteins are molecular chaperones mainly involved in assisting protein transport and folding, assembling multimolecular complexes, and triggering protein degradation by proteasome. Among the HSPs, a special attention needs to be devoted to Hsp60 and αB-crystallin, proteins constitutively expressed in the skeletal muscle, where they are known to be important in muscle physiopathology. Therefore, here we provide a critical update on their role in skeletal muscle fibers after physical exercise, highlighting the control of their expression, their biological function, and their specific distribution within skeletal muscle fiber-types. Abstract Skeletal muscle is a plastic and complex tissue, rich in proteins that are subject to continuous rearrangements. Skeletal muscle homeostasis can be affected by different types of stresses, including physical activity, a physiological stressor able to stimulate a robust increase in different heat shock proteins (HSPs). The modulation of these proteins appears to be fundamental in facilitating the cellular remodeling processes related to the phenomenon of training adaptations such as hypertrophy, increased oxidative capacity, and mitochondrial activity. Among the HSPs, a special attention needs to be devoted to Hsp60 and αB-crystallin (CRYAB), proteins constitutively expressed in the skeletal muscle, where their specific features could be highly relevant in understanding the impact of different volumes of training regimes on myofiber types and in explaining the complex picture of exercise-induced mechanical strain and damaging conditions on fiber population. This knowledge could lead to a better personalization of training protocols with an optimal non-harmful workload in populations of individuals with different needs and healthy status. Here, we introduce for the first time to the reader these peculiar HSPs from the perspective of exercise response, highlighting the control of their expression, biological function, and specific distribution within skeletal muscle fiber-types.
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Affiliation(s)
- Daniela D’Amico
- Human Anatomy Section, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, 90127 Palermo, Italy; (D.D.); (V.D.F.)
- Department of Neuroscience, Cell Biology, and Anatomy, University of Texas Medical Branch (UTMB), Galveston, TX 77554, USA
| | - Roberto Fiore
- Postgraduate School of Sports Medicine, University Hospital of Palermo, 90127 Palermo, Italy;
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy;
| | - Valentina Di Felice
- Human Anatomy Section, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, 90127 Palermo, Italy; (D.D.); (V.D.F.)
| | - Francesco Cappello
- Human Anatomy Section, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, 90127 Palermo, Italy; (D.D.); (V.D.F.)
- Euro-Mediterranean Institutes of Science and Technology (IEMEST), 90139 Palermo, Italy
- Correspondence: (F.C.); (I.D.); (R.B.); Tel.: +39-091-2386-5823 (F.C. & R.B.); +39-06-3673-3562 (I.D.)
| | - Ivan Dimauro
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy;
- Correspondence: (F.C.); (I.D.); (R.B.); Tel.: +39-091-2386-5823 (F.C. & R.B.); +39-06-3673-3562 (I.D.)
| | - Rosario Barone
- Human Anatomy Section, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, 90127 Palermo, Italy; (D.D.); (V.D.F.)
- Correspondence: (F.C.); (I.D.); (R.B.); Tel.: +39-091-2386-5823 (F.C. & R.B.); +39-06-3673-3562 (I.D.)
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D'Amico D, Marino Gammazza A, Macaluso F, Paladino L, Scalia F, Spinoso G, Dimauro I, Caporossi D, Cappello F, Di Felice V, Barone R. Sex-based differences after a single bout of exercise on PGC1α isoforms in skeletal muscle: A pilot study. FASEB J 2021; 35:e21328. [PMID: 33433932 DOI: 10.1096/fj.202002173r] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 12/01/2020] [Accepted: 12/14/2020] [Indexed: 12/16/2022]
Abstract
To date, there are limited and incomplete data on possible sex-based differences in fiber-types of skeletal muscle and their response to physical exercise. Adult healthy male and female mice completed a single bout of endurance exercise to examine the sex-based differences of the peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PGC1α), heat shock protein 60 (Hsp60), interleukin 6 (IL-6) expression, as well as the Myosin Heavy Chain (MHC) fiber-type distribution in soleus and extensor digitorum longus (EDL) muscles. Our results showed for the first time that in male soleus, a muscle rich of type IIa fibers, endurance exercise activates specifically genes involved in mitochondrial biogenesis such as PGC1 α1 isoform, Hsp60 and IL-6, whereas the expression of PGC1 α2 and α3 was significantly upregulated in EDL muscle, a fast-twitch skeletal muscle, independently from the gender. Moreover, we found that the acute response of different PGC1α isoforms was muscle and gender dependent. These findings add a new piece to the huge puzzle of muscle response to physical exercise. Given the importance of these genes in the physiological response of the muscle to exercise, we strongly believe that our data could support future research studies to personalize a specific and sex-based exercise training protocol.
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Affiliation(s)
- Daniela D'Amico
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy.,Department of Neuroscience, Cell Biology, and Anatomy, University of Texas Medical Branch, Galveston, TX, USA
| | - Antonella Marino Gammazza
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
| | - Filippo Macaluso
- SMART Engineering Solutions & Technologies Research Center, eCampus University, Novedrate, Italy.,Euro-Mediterranean Institutes of Science and Technology (IEMEST), Palermo, Italy
| | - Letizia Paladino
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
| | - Federica Scalia
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy.,Department of Neuroscience, Cell Biology, and Anatomy, University of Texas Medical Branch, Galveston, TX, USA.,SMART Engineering Solutions & Technologies Research Center, eCampus University, Novedrate, Italy.,Euro-Mediterranean Institutes of Science and Technology (IEMEST), Palermo, Italy
| | - Giulio Spinoso
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
| | - Ivan Dimauro
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Rome, Italy
| | - Francesco Cappello
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy.,Department of Neuroscience, Cell Biology, and Anatomy, University of Texas Medical Branch, Galveston, TX, USA.,SMART Engineering Solutions & Technologies Research Center, eCampus University, Novedrate, Italy.,Euro-Mediterranean Institutes of Science and Technology (IEMEST), Palermo, Italy
| | - Valentina Di Felice
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
| | - Rosario Barone
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
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14
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Caporossi D, Parisi A, Fantini C, Grazioli E, Cerulli C, Dimauro I. AlphaB-crystallin and breast cancer: role and possible therapeutic strategies. Cell Stress Chaperones 2021; 26:19-28. [PMID: 33111264 PMCID: PMC7736448 DOI: 10.1007/s12192-020-01175-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/10/2020] [Accepted: 10/20/2020] [Indexed: 01/18/2023] Open
Abstract
AlphaB-crystallin (HSPB5) is one of the most prominent and well-studied members of the small heat shock protein (sHsp) family. To date, it is known that this protein modulates significant cellular processes and therefore, it is not surprising that its deregulation is involved in various human pathologies, including cancer diseases. Despite the pathogenic significance of HSPB5 in cancer and its regulatory mechanism related to aggressiveness is poorly understood, several reports describe the association of breast carcinoma progression with HSPB5, whose expression is also considered an independent predictor of breast cancer metastasis to the brain. Indeed, numerous authors indicate HSPB5 as a new valuable biomarker for clinicopathological parameters and poor prognosis in breast cancer. Considering the cytoprotective, anti-apoptotic, pro-angiogenic, and pro-metastatic properties of the sHsps, it is not surprising that they are considered as promising targets for anticancer treatment, even though, at present, a deeper understanding of their mode of action is needed to allow the development of precise therapeutic interventions. Data on the direct inhibition of different sHsps demonstrate promising results in cancer pathologies; however, specific strategies against HSPB5 have not been considered. This review highlights the most relevant findings on HSPB5 and its role in breast cancer, as well as the possible strategies in using HSPB5 inhibition for therapeutic purposes.
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Affiliation(s)
- Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Attilio Parisi
- Unit of Sport Medicine, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Cristina Fantini
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Elisa Grazioli
- Unit of Sport Medicine, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Claudia Cerulli
- Unit of Sport Medicine, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.
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15
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Paronetto MP, Dimauro I, Grazioli E, Palombo R, Guidotti F, Fantini C, Sgrò P, De Francesco D, Di Luigi L, Capranica L, Caporossi D. Exercise-mediated downregulation of MALAT1 expression and implications in primary and secondary cancer prevention. Free Radic Biol Med 2020; 160:28-39. [PMID: 32768573 DOI: 10.1016/j.freeradbiomed.2020.06.037] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/23/2020] [Accepted: 06/24/2020] [Indexed: 01/07/2023]
Abstract
Long non-coding RNAs (lncRNAs) play critical roles in various biological functions and disease processes including cancer. The metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) was initially identified as a lncRNA with elevated expression in primary human non-small cell lung tumors with high propensity to metastasize, and subsequently shown to be highly expressed in numerous other human cancers including breast, ovarian, prostate, cervical, endometrial, gastric, pancreatic, sarcoma, colorectal, bladder, brain, multiple myeloma, and lymphoma. MALAT1 is deeply involved in several physiological processes, including alternative splicing, epigenetic modification of gene expression, cellular senescence, healthy aging, and redox homeostasis. The aim of this work was to investigate the modulation exerted by a single bout of endurance exercise on the level of MALAT1 expression in peripheral blood mononuclear cells (PBMCs) from healthy male donors displaying different training status and redox homeostasis features. Our findings show that MALAT1 is downregulated after acute endurance exercise in subjects whose fitness level guarantee a high expression of SOD1 and SOD2 antioxidant genes and low levels of endogenous oxidative damage. In vitro protocols in Jurkat lymphoblastoid cells exposed to pro-oxidant environment confirmed the link between MALAT1 expression and antioxidant gene modulation, documenting p53 phosphorylation and its recruitment to MALAT1 promoter. Remarkably, analyses of Microarray-Based Gene Expression Profiling revealed high MALAT1 expression in leukemia patients in comparison to healthy control and a significant negative correlation between MALAT1 and SOD1 expression. Collectively our results highlight the beneficial effect of a physically active lifestyle in counteracting aberrant cancer-related gene expression programs by improving the redox buffering capacity.
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Affiliation(s)
- Maria Paola Paronetto
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy; Laboratory of Cellular and Molecular Neurobiology, IRCCS Fondazione Santa Lucia, Via Del Fosso di Fiorano, Rome, Italy
| | - Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Elisa Grazioli
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Ramona Palombo
- Laboratory of Cellular and Molecular Neurobiology, IRCCS Fondazione Santa Lucia, Via Del Fosso di Fiorano, Rome, Italy
| | - Flavia Guidotti
- Sport Performance Laboratory, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Cristina Fantini
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Paolo Sgrò
- Endocrinology Unit, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Dario De Francesco
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Luigi Di Luigi
- Endocrinology Unit, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Laura Capranica
- Sport Performance Laboratory, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy.
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16
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De Paola E, Forcina L, Pelosi L, Pisu S, La Rosa P, Cesari E, Nicoletti C, Madaro L, Mercatelli N, Biamonte F, Nobili A, D'Amelio M, De Bardi M, Volpe E, Caporossi D, Sette C, Musarò A, Paronetto MP. Sam68 splicing regulation contributes to motor unit establishment in the postnatal skeletal muscle. Life Sci Alliance 2020; 3:3/10/e201900637. [PMID: 32753528 PMCID: PMC7409371 DOI: 10.26508/lsa.201900637] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 01/08/2023] Open
Abstract
Sam68 ensures the establishment of neuromuscular junctions (NMJs) and motor unit integrity by orchestrating a neuronal splicing program. RNA-binding proteins orchestrate the composite life of RNA molecules and impact most physiological processes, thus underlying complex phenotypes. The RNA-binding protein Sam68 regulates differentiation processes by modulating splicing, polyadenylation, and stability of select transcripts. Herein, we found that Sam68−/− mice display altered regulation of alternative splicing in the spinal cord of key target genes involved in synaptic functions. Analysis of the motor units revealed that Sam68 ablation impairs the establishment of neuromuscular junctions and causes progressive loss of motor neurons in the spinal cord. Importantly, alterations of neuromuscular junction morphology and properties in Sam68−/− mice correlate with defects in muscle and motor unit integrity. Sam68−/− muscles display defects in postnatal development, with manifest signs of atrophy. Furthermore, fast-twitch muscles in Sam68−/− mice show structural features typical of slow-twitch muscles, suggesting alterations in the metabolic and functional properties of myofibers. Collectively, our data identify a key role for Sam68 in muscle development and suggest that proper establishment of motor units requires timely expression of synaptic splice variants.
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Affiliation(s)
- Elisa De Paola
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico," Rome, Italy.,IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy
| | - Laura Forcina
- Laboratory Affiliated to Istituto Pasteur-Fondazione Cenci Bolognetti, DAHFMO-Unit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Laura Pelosi
- Laboratory Affiliated to Istituto Pasteur-Fondazione Cenci Bolognetti, DAHFMO-Unit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Simona Pisu
- Laboratory Affiliated to Istituto Pasteur-Fondazione Cenci Bolognetti, DAHFMO-Unit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Piergiorgio La Rosa
- IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy
| | - Eleonora Cesari
- IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy.,Institute of Human Anatomy and Cell Biology, Catholic University of the Sacred Heart, Rome, Italy
| | - Carmine Nicoletti
- Laboratory Affiliated to Istituto Pasteur-Fondazione Cenci Bolognetti, DAHFMO-Unit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Luca Madaro
- Institute of Human Anatomy and Cell Biology, Catholic University of the Sacred Heart, Rome, Italy
| | - Neri Mercatelli
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico," Rome, Italy.,IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy
| | - Filippo Biamonte
- Institute of Biochemistry and Clinical Biochemistry, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Annalisa Nobili
- IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy.,Department of Medicine, University Campus-Biomedico, Rome, Italy
| | - Marcello D'Amelio
- IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy.,Department of Medicine, University Campus-Biomedico, Rome, Italy
| | - Marco De Bardi
- IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy
| | - Elisabetta Volpe
- IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico," Rome, Italy
| | - Claudio Sette
- IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy .,Institute of Human Anatomy and Cell Biology, Catholic University of the Sacred Heart, Rome, Italy
| | - Antonio Musarò
- Laboratory Affiliated to Istituto Pasteur-Fondazione Cenci Bolognetti, DAHFMO-Unit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Maria Paola Paronetto
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico," Rome, Italy .,IRCCS (Institute for Treatment and Research) Fondazione Santa Lucia, Rome, Italy
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17
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Antonioni A, Dimauro I, Fantini C, Barone R, Macaluso F, Di Felice V, Caporossi D. αB-crystallin response to a pro-oxidant non-cytotoxic environment in murine cardiac cells: An "in vitro" and "in vivo" study. Free Radic Biol Med 2020; 152:301-312. [PMID: 32224085 DOI: 10.1016/j.freeradbiomed.2020.03.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/11/2020] [Accepted: 03/20/2020] [Indexed: 12/18/2022]
Abstract
The αB-crystallin (HSPB5) protein is modulated in response to a wide variety of stressors generated by multiple physio-pathological conditions, sustained by reactive oxygen species (ROS) production. In cardiac muscle tissue, this protein regulates various cellular processes, such as protein degradation, apoptosis and the stabilization of cytoskeletal elements. In this work, we studied the role of HSPB5 expression, activation and localization in HL-1 murine cardiomyocytes exposed to pro-oxidant and non-cytotoxic H2O2 concentration, as well as in cardiac tissue isolated from mice following an acute, non-damaging endurance exercise. Our results demonstrated that HSPB5 is the most abundant HSP in both cardiac muscle tissue and HL-1 cells when compared to HSPB1 or HSPA1A (≈3-8 fold higher protein concentrations, p < 0.01). The acute exposure of cardiac muscle cells to sustainable level of H2O2 "in vitro" or to aerobic non-damaging exercise "in vivo" determined a fast and specific increase of HSPB5 phosphorylation (from 3 up to 25 fold increase, p < 0.01) correlated to an increase in lipid peroxidation (p < 0.05). In both experimental models, p-HSPB5 likely facilitated both the interaction with β-actin, desmin, and α-Filamin 1, the last one identified as new HSPB5 substrate in cardiac cells, as well as the sub-localization of HSPB5 within the same cellular compartment or the re-localization between compartments (i.e., nucleus and cytosol). Taken together, these data point out the role of "oxidative eustress" induced by physiological conditions in activating the molecular machinery devoted to cardiomyocytes' protection and candidate HSPB5 as a putative molecular mediator for the health benefits induced in cardiac tissue by exercise training.
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Affiliation(s)
- Ambra Antonioni
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Ivan Dimauro
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Cristina Fantini
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy
| | - Rosario Barone
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy; Euro-Mediterranean Institutes of Science and Technology (IEMEST), Palermo, Italy
| | - Filippo Macaluso
- Euro-Mediterranean Institutes of Science and Technology (IEMEST), Palermo, Italy; SMART Engineering Solutions & Technologies Research Center, eCampus University, Novedrate, CO, Italy
| | - Valentina Di Felice
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Italy.
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18
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Di Luigi L, Sgrò P, Duranti G, Sabatini S, Caporossi D, Del Galdo F, Dimauro I, Antinozzi C. Sildenafil Reduces Expression and Release of IL-6 and IL-8 Induced by Reactive Oxygen Species in Systemic Sclerosis Fibroblasts. Int J Mol Sci 2020; 21:E3161. [PMID: 32365773 PMCID: PMC7246497 DOI: 10.3390/ijms21093161] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/27/2020] [Accepted: 04/28/2020] [Indexed: 12/11/2022] Open
Abstract
Oxidative stress linked to vascular damage plays an important role in the pathogenesis of systemic sclerosis (SSc). Indeed, vascular damage at nailfold capillaroscopy in patients with Raynaud's Phenomenon (RP) is a major risk factor for the development of SSc together with the presence of specific autoantiobodies. Here, we investigated the effects of the phosphodiesterase type 5 inhibitor (PDE5i) sildenafil, currently used in the management of RP, in modulating the proinflammatory response of dermal fibroblasts to oxidative stress in vitro. Human fibroblasts isolated from SSc patients and healthy controls were exposed to exogenous reactive oxygen species (ROS) (100 µM H2O2), in the presence or absence of sildenafil (1 µM). Treatment with sildenafil significantly reduced dermal fibroblast gene expression and cellular release of IL-6, known to play a central role in the pathogenesis of tissue damage in SSc and IL-8, directly induced by ROS. This reduction was associated with suppression of STAT3-, ERK-, NF-κB-, and PKB/AKT-dependent pathways. Our findings support the notion that the employment of PDE5i in the management of RP may be explored for its efficacy in modulating the oxidative stress-induced proinflammatory activation of dermal fibroblasts in vivo and may ultimately aid in the prevention of tissue damage caused by SSc.
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Affiliation(s)
- Luigi Di Luigi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (L.D.L.); (P.S.)
| | - Paolo Sgrò
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (L.D.L.); (P.S.)
| | - Guglielmo Duranti
- Unit of Biochemistry and Molecular Biology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (G.D.); (S.S.)
| | - Stefania Sabatini
- Unit of Biochemistry and Molecular Biology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (G.D.); (S.S.)
| | - Daniela Caporossi
- Unit of Biology and Genetic, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (D.C.); (I.D.)
| | - Francesco Del Galdo
- Division of Rheumatic and Musculoskeletal Diseases, Leeds Institute of Molecular Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Ivan Dimauro
- Unit of Biology and Genetic, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (D.C.); (I.D.)
| | - Cristina Antinozzi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; (L.D.L.); (P.S.)
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19
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Dimauro I, Paronetto MP, Caporossi D. Exercise, redox homeostasis and the epigenetic landscape. Redox Biol 2020; 35:101477. [PMID: 32127290 PMCID: PMC7284912 DOI: 10.1016/j.redox.2020.101477] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/12/2020] [Accepted: 02/23/2020] [Indexed: 02/07/2023] Open
Abstract
Physical exercise represents one of the strongest physiological stimuli capable to induce functional and structural modifications in all biological systems. Indeed, beside the traditional genetic mechanisms, physical exercise can modulate gene expression through epigenetic modifications, namely DNA methylation, post-translational histone modification and non-coding RNA transcripts. Initially considered as merely damaging molecules, it is now well recognized that both reactive oxygen (ROS) and nitrogen species (RNS) produced under voluntary exercise play an important role as regulatory mediators in signaling processes. While robust scientific evidences highlight the role of exercise-associated redox modifications in modulating gene expression through the genetic machinery, the understanding of their specific impact on epigenomic profile is still at an early stage. This review will provide an overview of the role of ROS and RNS in modulating the epigenetic landscape in the context of exercise-related adaptations. Physical exercise can modulate gene expression through epigenetic modifications. Epigenetic regulation of ROS/RNS generating, sensing and neutralizing enzymes can impact the cellular levels of ROS and RNS. ROS might act as modulators of epigenetic machinery, interfering with DNA methylation, hPTMs and ncRNAs expression. Redox homeostasis might hold a relevant role in the epigenetic landscape modulating exercise-related adaptations.
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Affiliation(s)
- Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy
| | - Maria Paola Paronetto
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy; Laboratory of Cellular and Molecular Neurobiology, IRCCS Fondazione Santa Lucia, Via Del Fosso di Fiorano, Rome, Italy
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135, Rome, Italy.
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20
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Ceci R, Duranti G, Di Filippo ES, Bondi D, Verratti V, Doria C, Caporossi D, Sabatini S, Dimauro I, Pietrangelo T. Corrigendum to "Endurance training improves plasma superoxide dismutase activity in healthy elderly" [Mechanisms of Ageing and Development 185 (2020) 111190]. Mech Ageing Dev 2020; 186:111214. [PMID: 32081436 DOI: 10.1016/j.mad.2020.111214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Roberta Ceci
- Università degli Studi di Roma "Foro Italico", Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, Rome, Italy
| | - Guglielmo Duranti
- Università degli Studi di Roma "Foro Italico", Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, Rome, Italy
| | - Ester Sara Di Filippo
- Department of Neuroscience, Imaging e Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Danilo Bondi
- Department of Neuroscience, Imaging e Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Vittore Verratti
- Department of Psychological, Health and Territorial Sciences, Università "G. d'Annunzio" Chieti - Pescara, Italy
| | - Christian Doria
- Department of Neuroscience, Imaging e Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Daniela Caporossi
- Università degli Studi di Roma "Foro Italico", Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, Rome, Italy
| | - Stefania Sabatini
- Università degli Studi di Roma "Foro Italico", Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, Rome, Italy
| | - Ivan Dimauro
- Università degli Studi di Roma "Foro Italico", Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, Rome, Italy
| | - Tiziana Pietrangelo
- Department of Neuroscience, Imaging e Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy.
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21
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Abstract
Supplementation with antioxidants received interest as suitable tool for preventing or reducing exercise-related oxidative stress possibly leading to improvement of sport performance in athletes. To date, it is difficult to reach a conclusion on the relevance of antioxidants supplementation in athletes and/or well-trained people. The general picture that emerges from the available data indicates that antioxidants requirement can be covered by dosage equal or close to the recommended dietary allowance (RDA) provided by consumption of a balanced, well-diversified diet. Nevertheless, it remains open the possibility that in specific context, such as in sports characterized by high intensity and/or exhaustive regimes, supplementation with antioxidants could be appropriated to avoid or reduce the damaging effect of these type of exercise. This review will discuss the findings of a number of key studies on the advantages and/or disadvantages for athletes of using antioxidants supplementation, either individually or in combination.
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Affiliation(s)
- Ambra Antonioni
- a Department of Movement, Human and Health Sciences , University of Rome "Foro Italico" , Rome , Italy
| | - Cristina Fantini
- a Department of Movement, Human and Health Sciences , University of Rome "Foro Italico" , Rome , Italy
| | - Ivan Dimauro
- a Department of Movement, Human and Health Sciences , University of Rome "Foro Italico" , Rome , Italy
| | - Daniela Caporossi
- a Department of Movement, Human and Health Sciences , University of Rome "Foro Italico" , Rome , Italy
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22
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Dimauro I, Antonioni A, Mercatelli N, Caporossi D. The role of αB-crystallin in skeletal and cardiac muscle tissues. Cell Stress Chaperones 2018; 23:491-505. [PMID: 29190034 PMCID: PMC6045558 DOI: 10.1007/s12192-017-0866-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 11/23/2017] [Accepted: 11/25/2017] [Indexed: 12/25/2022] Open
Abstract
All organisms and cells respond to various stress conditions such as environmental, metabolic, or pathophysiological stress by generally upregulating, among others, the expression and/or activation of a group of proteins called heat shock proteins (HSPs). Among the HSPs, special attention has been devoted to the mutations affecting the function of the αB-crystallin (HSPB5), a small heat shock protein (sHsp) playing a critical role in the modulation of several cellular processes related to survival and stress recovery, such as protein degradation, cytoskeletal stabilization, and apoptosis. Because of the emerging role in general health and disease conditions, the main objective of this mini-review is to provide a brief account on the role of HSPB5 in mammalian muscle physiopathology. Here, we report the current known state of the regulation and localization of HSPB5 in skeletal and cardiac tissue, making also a critical summary of all human HSPB5 mutations known to be strictly associated to specific skeletal and cardiac diseases, such as desmin-related myopathies (DRM), dilated (DCM) and restrictive (RCM) cardiomyopathy. Finally, pointing to putative strategies for HSPB5-based therapy to prevent or counteract these forms of human muscular disorders.
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Affiliation(s)
- Ivan Dimauro
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Ambra Antonioni
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Neri Mercatelli
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
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23
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Magi F, Dimauro I, Margheritini F, Duranti G, Mercatelli N, Fantini C, Ripani FR, Sabatini S, Caporossi D. Telomere length is independently associated with age, oxidative biomarkers, and sport training in skeletal muscle of healthy adult males. Free Radic Res 2018; 52:639-647. [DOI: 10.1080/10715762.2018.1459043] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Fiorenza Magi
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Ivan Dimauro
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Fabrizio Margheritini
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Guglielmo Duranti
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Neri Mercatelli
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Cristina Fantini
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Francesca Romana Ripani
- Department of Anatomical, Histological, Forensic Medicine and Orthopaedics Sciences, University “La Sapienza”, Rome, Italy
| | - Stefania Sabatini
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
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24
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Svetoni F, De Paola E, La Rosa P, Mercatelli N, Caporossi D, Sette C, Paronetto MP. Post-transcriptional regulation of FUS and EWS protein expression by miR-141 during neural differentiation. Hum Mol Genet 2018; 26:2732-2746. [PMID: 28453628 DOI: 10.1093/hmg/ddx160] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 04/21/2017] [Indexed: 12/31/2022] Open
Abstract
Brain development involves proliferation, migration and specification of neural progenitor cells, culminating in neuronal circuit formation. Mounting evidence indicates that improper regulation of RNA binding proteins (RBPs), including members of the FET (FUS, EWS, TAF15) family, results in defective cortical development and/or neurodegenerative disorders. However, in spite of their physiological relevance, the precise pattern of FET protein expression in developing neurons is largely unknown. Herein, we found that FUS, EWS and TAF15 expression is differentially regulated during brain development, both in time and in space. In particular, our study identifies a fine-tuned regulation of FUS and EWS during neuronal differentiation, whereas TAF15 appears to be more constitutively expressed. Mechanistically FUS and EWS protein expression is regulated at the post-transcriptional level during neuron differentiation and brain development. Moreover, we identified miR-141 as a key regulator of these FET proteins that modulate their expression levels in differentiating neuronal cells. Thus, our studies uncover a novel link between post-transcriptional regulation of FET proteins expression and neurogenesis.
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Affiliation(s)
- Francesca Svetoni
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy.,Laboratories of Cellular and Molecular Neurobiology and of Neuroembryology, Fondazione Santa Lucia, 00143 Rome, Italy
| | - Elisa De Paola
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy.,Laboratories of Cellular and Molecular Neurobiology and of Neuroembryology, Fondazione Santa Lucia, 00143 Rome, Italy
| | - Piergiorgio La Rosa
- Laboratories of Cellular and Molecular Neurobiology and of Neuroembryology, Fondazione Santa Lucia, 00143 Rome, Italy.,Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Neri Mercatelli
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy.,Laboratories of Cellular and Molecular Neurobiology and of Neuroembryology, Fondazione Santa Lucia, 00143 Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy
| | - Claudio Sette
- Laboratories of Cellular and Molecular Neurobiology and of Neuroembryology, Fondazione Santa Lucia, 00143 Rome, Italy.,Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Maria Paola Paronetto
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy.,Laboratories of Cellular and Molecular Neurobiology and of Neuroembryology, Fondazione Santa Lucia, 00143 Rome, Italy
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25
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de Perini A, Dimauro I, Duranti G, Fantini C, Mercatelli N, Ceci R, Di Luigi L, Sabatini S, Caporossi D. The p75 NTR-mediated effect of nerve growth factor in L6C5 myogenic cells. BMC Res Notes 2017; 10:686. [PMID: 29202822 PMCID: PMC5716223 DOI: 10.1186/s13104-017-2994-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 11/25/2017] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVE During muscle development or regeneration, myocytes produce nerve growth factor (NGF) as well as its tyrosine-kinase and p75-neurotrophin (p75NTR) receptors. It has been published that the p75NTR receptor could represent a key regulator of NGF-mediated myoprotective effect on satellite cells, but the precise function of NGF/p75 signaling pathway on myogenic cell proliferation, survival and differentiation remains fragmented and controversial. Here, we verified the role of NGF in the growth, survival and differentiation of p75NTR-expressing L6C5 myogenic cells, specifically inquiring for the putative involvement of the nuclear factor κB (NFκB) and the small heat shock proteins (sHSPs) αB-crystallin and Hsp27 in these processes. RESULTS Although NGF was not effective in modulating myogenic cell growth or survival in both standard or stress conditions, we demonstrated for the first time that, under serum deprivation, NGF sustained the activity of some key enzymes involved in energy metabolism. Moreover, we confirmed that NGF promotes myogenic fusion and expression of the structural protein myosin heavy chain while modulating NFκB activation and the content of sHSPs correlated with the differentiation process. We conclude that p75NTR is sufficient to mediate the modulation of L6C5 myogenic differentiation by NGF in term of structural, metabolic and functional changes.
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Affiliation(s)
- Alessandra de Perini
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
| | - Ivan Dimauro
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
| | - Guglielmo Duranti
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
| | - Cristina Fantini
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
| | - Neri Mercatelli
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
- Laboratory of Cellular and Molecular Neurobiology, CERC, Fondazione Santa Lucia, Via del Fosso di Fiorano, 64, 00143 Rome, Italy
| | - Roberta Ceci
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
| | - Luigi Di Luigi
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
| | - Stefania Sabatini
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis, 15, 00135 Rome, Italy
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26
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Grazioli E, Dimauro I, Mercatelli N, Wang G, Pitsiladis Y, Di Luigi L, Caporossi D. Physical activity in the prevention of human diseases: role of epigenetic modifications. BMC Genomics 2017; 18:802. [PMID: 29143608 PMCID: PMC5688489 DOI: 10.1186/s12864-017-4193-5] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Epigenetic modification refers to heritable changes in gene function that cannot be explained by alterations in the DNA sequence. The current literature clearly demonstrates that the epigenetic response is highly dynamic and influenced by different biological and environmental factors such as aging, nutrient availability and physical exercise. As such, it is well accepted that physical activity and exercise can modulate gene expression through epigenetic alternations although the type and duration of exercise eliciting specific epigenetic effects that can result in health benefits and prevent chronic diseases remains to be determined. This review highlights the most significant findings from epigenetic studies involving physical activity/exercise interventions known to benefit chronic diseases such as metabolic syndrome, diabetes, cancer, cardiovascular and neurodegenerative diseases.
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Affiliation(s)
- Elisa Grazioli
- Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Rome, Italy
| | - Ivan Dimauro
- Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Rome, Italy
| | - Neri Mercatelli
- Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Rome, Italy
| | - Guan Wang
- FIMS Reference Collaborating Centre of Sports Medicine for Anti-Doping Research, University of Brighton, Brighton, UK
| | - Yannis Pitsiladis
- Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Rome, Italy.,FIMS Reference Collaborating Centre of Sports Medicine for Anti-Doping Research, University of Brighton, Brighton, UK
| | - Luigi Di Luigi
- Department of Movement, Human and Health Sciences, Unit of Endocrinology, University of Rome "Foro Italico", Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Rome, Italy.
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27
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Cumming KT, Raastad T, Sørstrøm A, Paronetto MP, Mercatelli N, Ugelstad I, Caporossi D, Paulsen G. Vitamin C and E supplementation does not affect heat shock proteins or endogenous antioxidants in trained skeletal muscles during 12 weeks of strength training. BMC Nutr 2017; 3:70. [PMID: 32153849 PMCID: PMC7050865 DOI: 10.1186/s40795-017-0185-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 07/11/2017] [Indexed: 01/04/2023] Open
Abstract
Background Supplementation with large doses of antioxidants, such as vitamin C and E, has been shown to blunt some adaptations to endurance training. The effects of antioxidant supplementation on adaptations to strength training is sparsely studied. Herein we investigated the effects of vitamin C and E supplementation on acute stress responses to exercise and adaptation to traditional heavy load strength training. Methods In a double blind placebo-controlled design, twenty-eight, young, trained males and females were randomly assigned to receive either vitamin C and E (C: 1000 mg, E: 235 mg, per day) or placebo supplements, and underwent strength training for 10 weeks. After five weeks, a subgroup conducted a strength training session to investigate acute stress responses. Muscle samples were obtained to investigate changes in stress responses and in proteins and mRNA related to the heat shock proteins (HSPs) or antioxidant enzymes. Results The acute responses to the exercise session revealed activation of the NFκB pathway indicated by degradation of IκBα in both groups. Vitamin C and E supplementation had, however, no effects on the acute stress responses. Furthermore, ten weeks of strength training did not change muscle αB-crystallin, HSP27, HSP70, GPx1 or mnSOD levels, with no influence of supplementation. Conclusions Our results showed that although vitamin C and E supplementation has been shown to interfere with training adaptations, it did not affect acute stress responses or long-term training adaptations in the HSPs or antioxidant enzymes in this study. Electronic supplementary material The online version of this article (doi:10.1186/s40795-017-0185-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- K T Cumming
- 1Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - T Raastad
- 1Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - A Sørstrøm
- 1Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - M P Paronetto
- 2Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - N Mercatelli
- 2Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - I Ugelstad
- 1Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - D Caporossi
- 2Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - G Paulsen
- 1Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway.,Norwegian Olympic Sports Center, Oslo, Norway
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28
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Mercatelli N, Fittipaldi S, De Paola E, Dimauro I, Paronetto MP, Jackson MJ, Caporossi D. MiR-23-TrxR1 as a novel molecular axis in skeletal muscle differentiation. Sci Rep 2017; 7:7219. [PMID: 28775321 PMCID: PMC5543121 DOI: 10.1038/s41598-017-07575-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 06/28/2017] [Indexed: 01/24/2023] Open
Abstract
Thioredoxin reductase 1 (TrxR1) is a selenocysteine-containing protein involved in cellular redox homeostasis which is downregulated in skeletal muscle differentiation. Here we show that TrxR1 decrease occurring during myogenesis is functionally involved in the coordination of this cellular process. Indeed, TrxR1 depletion reduces myoblasts growth by inducing an early myogenesis -related gene expression pattern which includes myogenin and Myf5 up-regulation and Cyclin D1 decrease. On the contrary, the overexpression of TrxR1 during differentiation delays myogenic process, by negatively affecting the expression of Myogenin and MyHC. Moreover, we found that miR-23a and miR-23b - whose expression was increased in the early stage of C2C12 differentiation - are involved in the regulation of TrxR1 expression through their direct binding to the 3' UTR of TrxR1 mRNA. Interestingly, the forced inhibition of miR-23a and miR-23b during C2C12 differentiation partially rescues TrxR1 levels and delays the expression of myogenic markers, suggesting the involvement of miR-23 in myogenesis via TrxR1 repression. Taken together, our results depict for the first time a novel molecular axis, which functionally acts in skeletal muscle differentiation through the modulation of TrxR1 by miR-23.
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Affiliation(s)
- Neri Mercatelli
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.
| | - Simona Fittipaldi
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.,IRCCS SDN Foundation, Naples, Italy
| | - Elisa De Paola
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.,Laboratory of Cellular and Molecular Neurobiology, CERC, Fondazione Santa Lucia, Rome, Italy
| | - Ivan Dimauro
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Maria Paola Paronetto
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.,Laboratory of Cellular and Molecular Neurobiology, CERC, Fondazione Santa Lucia, Rome, Italy
| | - Malcolm J Jackson
- Medical Research Council-Arthritis Research UK Centre for Integrated Research into Musculoskeletal Ageing, Department of Musculoskeletal Biology, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, United Kingdom
| | - Daniela Caporossi
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
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29
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Dimauro I, Sgura A, Pittaluga M, Magi F, Fantini C, Mancinelli R, Sgadari A, Fulle S, Caporossi D. Regular exercise participation improves genomic stability in diabetic patients: an exploratory study to analyse telomere length and DNA damage. Sci Rep 2017. [PMID: 28646223 PMCID: PMC5482873 DOI: 10.1038/s41598-017-04448-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Physical activity has been demonstrated to be effective in the prevention and treatment of different chronic conditions, including type 2 diabetes (T2D). In particular, several studies highlighted how the beneficial effects of physical activity may be related to the stability of the DNA molecule, such as longer telomeric ends. Here we analyze the effect of exercise training on telomere length, spontaneous and H2O2-induced DNA damage, as well as the apoptosis level in leukocytes from untrained or trained T2D patients vs. age-matched control subjects (CS) (57–66 years). Moreover, expression analysis of selected genes belonging to DNA repair systems, cell cycle control, antioxidant and defence systems was performed. Subjects that participated in a regular exercise program showed a longer telomere sequence than untrained counterparts. Moreover, ex vivo treatment of leukocytes with H2O2 highlighted that: (1) oxidative DNA damage induced similar telomere attrition in all groups; (2) in T2D subjects, physical activity seemed to prevent a significant increase of genomic oxidative DNA damage induced by chronic exposure to pro-oxidant stimulus, and (3) decreased the sensitivity of leukocytes to apoptosis. Finally, the gene expression analysis in T2D subjects suggested an adaptive response to prolonged exercise training that improved the response of specific genes.
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Affiliation(s)
- Ivan Dimauro
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | | | - Monica Pittaluga
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Fiorenza Magi
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Cristina Fantini
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Rosa Mancinelli
- Department of Neuroscience, Imaging and Clinical Sciences, Interuniversity Institute of Miology (IIM), University "G d'Annunzio", Chieti, Italy
| | - Antonio Sgadari
- Department of Geriatrics, Gerontology and Physiatry, University Hospital Agostino Gemelli, Catholic University of the Sacred Heart, Rome, Italy
| | - Stefania Fulle
- Department of Neuroscience, Imaging and Clinical Sciences, Interuniversity Institute of Miology (IIM), University "G d'Annunzio", Chieti, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.
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30
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Fantini C, Sgrò P, Pittaluga M, de Perini A, Dimauro I, Sartorio A, Caporossi D, Di Luigi L. Short-term, supra-physiological rhGH administration induces transient DNA damage in peripheral lymphocytes of healthy women. J Endocrinol Invest 2017; 40:645-652. [PMID: 28211028 DOI: 10.1007/s40618-016-0603-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/21/2016] [Indexed: 10/20/2022]
Abstract
PURPOSE While a good safety for recombinant human growth hormone (rhGH) therapy at replacement doses is recognized, a possible link between high concentration of the GH-IGF-I axis hormones and side negative effect has been reported. The aim of this pilot study was to assess whether a short-term exposure to supra-physiological doses of rhGH may affect DNA integrity in human lymphocytes (PBL). METHODS Eighteen healthy Caucasian female (24.2 ± 3.5 years) were randomly included in a Control (n = 9) and rhGH administration group (n = 9, 3-week treatment). DNA damage (comet assay), chromosomal breaks, and mitotic index in phytohemagglutinin-stimulated PBL were evaluated before (PRE), immediately (POST), and 30 days (POST30) after the last rhGH administration (0.029 mg kg- 1 BW; 6 days/week), together with serum IGF-1 and IGFBP-3 concentrations. RESULTS rhGH administration increased IGF-I, without evidence of persisting IGF-I and IGFBP-3 changes 30 days after withdrawal. Total DNA breakage (% DNA in tails) was not significantly different in subjects treated with rhGH in comparison with controls, although the rhGH-treated subjects showed an higher percentage of heavily damaged nuclei immediately after the treatment (POST30 vs. PRE: p = 0.003), with a lower mitogenic potential of lymphocytes, detectable up to the POST30 (PRE vs. POST: p = 0.02; PRE vs. POST30: p = 0.007). CONCLUSIONS This pilot study showed that 3 weeks of short-term supra-physiological rhGH administration in healthy women induce a transient DNA damage and mitogenic impairment in PBL. The analysis of DNA damage should be explored as useful tool in monitoring the mid to long-term effects of high rhGH treatment or abuse.
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Affiliation(s)
- C Fantini
- Unit of Biology, Department of Movement, Human and Health Sciences, Università di Roma "Foro Italico", Piazza Lauro de Bosis, 15, 00135, Rome, Italy
| | - P Sgrò
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, Università di Roma "Foro Italico", 00135, Rome, Italy
| | - M Pittaluga
- Unit of Biology, Department of Movement, Human and Health Sciences, Università di Roma "Foro Italico", Piazza Lauro de Bosis, 15, 00135, Rome, Italy
| | - A de Perini
- Unit of Biology, Department of Movement, Human and Health Sciences, Università di Roma "Foro Italico", Piazza Lauro de Bosis, 15, 00135, Rome, Italy
| | - I Dimauro
- Unit of Biology, Department of Movement, Human and Health Sciences, Università di Roma "Foro Italico", Piazza Lauro de Bosis, 15, 00135, Rome, Italy
| | - A Sartorio
- Istituto Auxologico Italiano, IRCCS, Experimental Laboratory for Auxo-endocrinological Research, 20145, Milan, Italy
| | - D Caporossi
- Unit of Biology, Department of Movement, Human and Health Sciences, Università di Roma "Foro Italico", Piazza Lauro de Bosis, 15, 00135, Rome, Italy.
| | - L Di Luigi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, Università di Roma "Foro Italico", 00135, Rome, Italy
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31
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Boshnjaku A, Dimauro I, Krasniqi E, Grazioli E, Tschan H, Migliaccio S, DI Luigi L, Caporossi D. Effect of sport training on forearm bone sites in female handball and soccer players. J Sports Med Phys Fitness 2016; 56:1503-1510. [PMID: 26609972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND The objective of this study was to evaluate the bone mineral density (BMD) and Z-score of a skeletal region, considered as weight-bearing site in trained handball players (HP), but as non-weight-bearing site in trained soccer players (SP). The bone health status of the same site was also analyzed in an untrained group (CG). METHODS BMD and Z-score at distal forearm regions (dominant, D; non-dominant, ND) were evaluated in 30 female HP and in 30 female SP, who have been training for 7.7±3.8 years, 17 hours per week, as well as in 30 females CG. RESULTS Playing handball was associated with higher BMD of the skeleton at both measured sites than in CG. Also in comparison with SP, HPs' arms showed a significant increase in BMD. On the other hand, female SP have been reported to exhibit an enhanced ND arm BMD compared with controls. The benefits of exercise appeared to be significantly improved only in SP sub-group who started sport activity before or at menarche. These athletes showed at ND forearm a BMD 4% greater than those SP who started later, reaching a BMD of 11.6% higher than CG, a value similar to the corresponding in HP sub-group. Moreover, their D arm BMD was 7.1% higher compared with CG. CONCLUSIONS This study indicates that, compared with non-trained subjects, long-term high-impact sport participation is associated with an higher bone health state, especially if the playing careers were started before or at menarche. This effect was observed at level of both forearms in HP, which are considered as weight-bearing sites for this discipline but also on the same skeletal regions of SP, which are not directly loaded by sport-related regular training.
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Affiliation(s)
- Arben Boshnjaku
- Faculty of Sport Sciences, University of Pristina, Pristina, Kosovo
| | - Ivan Dimauro
- Department of Movement, Human and Health Sciences, "Foro Italico" University, Rome, Italy -
| | - Ermira Krasniqi
- Faculty of Technical Medical Sciences, Medical University of Tirana, Tirana, Albania
| | - Elisa Grazioli
- Department of Movement, Human and Health Sciences, "Foro Italico" University, Rome, Italy
| | - Harald Tschan
- Department of Sports and Exercise Physiology, Institute of Sports Science, University of Vienna, Vienna, Austria
| | - Silvia Migliaccio
- Department of Movement, Human and Health Sciences, "Foro Italico" University, Rome, Italy
| | - Luigi DI Luigi
- Department of Movement, Human and Health Sciences, "Foro Italico" University, Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, "Foro Italico" University, Rome, Italy
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32
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Dimauro I, Scalabrin M, Fantini C, Grazioli E, Beltran Valls MR, Mercatelli N, Parisi A, Sabatini S, Di Luigi L, Caporossi D. Resistance training and redox homeostasis: Correlation with age-associated genomic changes. Redox Biol 2016; 10:34-44. [PMID: 27687219 PMCID: PMC5040637 DOI: 10.1016/j.redox.2016.09.008] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 09/19/2016] [Accepted: 09/20/2016] [Indexed: 01/15/2023] Open
Abstract
Regular physical activity is effective as prevention and treatment for different chronic conditions related to the ageing processes. In fact, a sedentary lifestyle has been linked to a worsening of cellular ageing biomarkers such as telomere length (TL) and/or specific epigenetic changes (e.g. DNA methylation), with increase of the propensity to aging-related diseases and premature death. Extending our previous findings, we aimed to test the hypothesis that 12 weeks of low frequency, moderate intensity, explosive-type resistance training (EMRT) may attenuate age-associated genomic changes. To this aim, TL, global DNA methylation, TRF2, Ku80, SIRT1, SIRT2 and global protein acetylation, as well as other proteins involved in apoptotic pathway (Bcl-2, Bax and Caspase-3), antioxidant response (TrxR1 and MnSOD) and oxidative damage (myeloperoxidase) were evaluated before and after EMRT in whole blood or peripheral mononuclear cells (PBMCs) of elderly subjects. Our findings confirm the potential of EMRT to induce an adaptive change in the antioxidant protein systems at systemic level and suggest a putative role of resistance training in the reduction of global DNA methylation. Moreover, we observed that EMRT counteracts the telomeres' shortening in a manner that proved to be directly correlated with the amelioration of redox homeostasis and efficacy of training regime, evaluated as improvement of both muscle's power/strength and functional parameters.
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Affiliation(s)
- Ivan Dimauro
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis 15, 00135 Rome, Italy.
| | - Mattia Scalabrin
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis 15, 00135 Rome, Italy.
| | - Cristina Fantini
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis 15, 00135 Rome, Italy.
| | - Elisa Grazioli
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis 15, 00135 Rome, Italy.
| | - Maria Reyes Beltran Valls
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis 15, 00135 Rome, Italy.
| | - Neri Mercatelli
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis 15, 00135 Rome, Italy.
| | - Attilio Parisi
- Unit of Sport Medicine, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.
| | - Stefania Sabatini
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis 15, 00135 Rome, Italy.
| | - Luigi Di Luigi
- Unit of Endocrinology, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.
| | - Daniela Caporossi
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis 15, 00135 Rome, Italy.
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Abstract
Cells have evolved multiple and sophisticated stress response mechanisms aiming to prevent macromolecular (including proteins, lipids, and nucleic acids) damage and to maintain or re-establish cellular homeostasis. Heat shock proteins (HSPs) are among the most highly conserved, ubiquitous, and abundant proteins in all organisms. Originally discovered more than 50 years ago through heat shock stress, they display multiple, remarkable roles inside and outside cells under a variety of stresses, including also oxidative stress and radiation, recognizing unfolded or misfolded proteins and facilitating their restructuring. Exercise consists in a combination of physiological stresses, such as metabolic disturbances, changes in circulating levels of hormones, increased temperature, induction of mild to severe inflammatory state, increased production of reactive oxygen and nitrogen species (ROS and RNS). As a consequence, exercise is one of the main stimuli associated with a robust increase in different HSPs in several tissues, which appears to be also fundamental in facilitating the cellular remodeling processes related to the training regime. Among all factors involved in the exercise-related modulation of HSPs level, the ROS production in the contracting muscle or in other tissues represents one of the most attracting, but still under discussion, mechanism. Following exhaustive or damaging muscle exercise, major oxidative damage to proteins and lipids is likely involved in HSP expression, together with mechanically induced damage to muscle proteins and the inflammatory response occurring several days into the recovery period. Instead, the transient and reversible oxidation of proteins by physiological concentrations of ROS seems to be involved in the activation of stress response following non-damaging muscle exercise. This review aims to provide a critical update on the role of HSPs response in exercise-induced adaptation or damage in humans, focusing on experimental results where the link between redox homeostasis and HSPs expression by exercise has been addressed. Further, with the support of in vivo and in vitro studies, we discuss the putative molecular mechanisms underlying the ROS-mediated modulation of HSP expression and/or activity during exercise.
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Affiliation(s)
- Ivan Dimauro
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Neri Mercatelli
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Daniela Caporossi
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy.
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Scalabrin M, Caporossi D. The role of physical activity in counteracting age-related sarcopenia and cancer cachexia: A brief literature review. Medicinski podmladak 2016. [DOI: 10.5937/medpodm1602005s] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Morini E, Rizzacasa B, Pucci S, Polidoro C, Ferrè F, Caporossi D, Helmer Citterich M, Novelli G, Amati F. The human rs1050286 polymorphism alters LOX-1 expression through modifying miR-24 binding. J Cell Mol Med 2015; 20:181-7. [PMID: 26542080 PMCID: PMC4717858 DOI: 10.1111/jcmm.12716] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Accepted: 09/15/2015] [Indexed: 12/02/2022] Open
Abstract
The up‐regulation of lectin‐like oxidized low‐density lipoprotein receptor‐1 (LOX‐1), encoded by the OLR1 gene, plays a fundamental role in the pathogenesis of atherosclerosis. Moreover, OLR1 polymorphisms were associated with increased susceptibility to acute myocardial infarction (AMI) and coronary artery diseases (CAD). In these pathologies, the identification of therapeutic approaches that can inhibit or reduce LOX‐1 overexpression is crucial. Predictive analysis showed a putative hsa‐miR‐24 binding site in the 3′UTR of OLR1, ‘naturally’ mutated by the presence of the rs1050286 single nucleotide polymorphism (SNP). Luciferase assays revealed that miR‐24 targets OLR1 3′UTR‐G, but not 3′UTR‐A (P < 0.0005). The functional relevance of miR‐24 in regulating the expression of OLR1 was established by overexpressing miR‐24 in human cell lines heterozygous (A/G, HeLa) and homozygous (A/A, HepG2) for rs1050286 SNP. Accordingly, HeLa (A/G), but not HepG2 (A/A), showed a significant down‐regulation of OLR1 both at RNA and protein level. Our results indicate that rs1050286 SNP significantly affects miR‐24 binding affinity to the 3′UTR of OLR1, causing a more efficient post‐transcriptional gene repression in the presence of the G allele. On this basis, we considered that OLR1 rs1050286 SNP may contribute to modify OLR1 susceptibility to AMI and CAD, so ORL1 SNPs screening could help to stratify patients risk.
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Affiliation(s)
- Elena Morini
- Department of Movement, Human and Health Sciences, Foro Italico University, Rome, Italy.,Department of Biomedicine and Prevention, University of Rome Tor Vergata, Roma, Italy
| | - Barbara Rizzacasa
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Roma, Italy
| | - Sabina Pucci
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Roma, Italy
| | - Chiara Polidoro
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Roma, Italy
| | - Fabrizio Ferrè
- Department of Biology, University of Rome Tor Vergata, Roma, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, Foro Italico University, Rome, Italy
| | | | - Giuseppe Novelli
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Roma, Italy
| | - Francesca Amati
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Roma, Italy
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Fittipaldi S, Mercatelli N, Dimauro I, Jackson MJ, Paronetto MP, Caporossi D. Alpha B-crystallin induction in skeletal muscle cells under redox imbalance is mediated by a JNK-dependent regulatory mechanism. Free Radic Biol Med 2015; 86:331-42. [PMID: 26066304 DOI: 10.1016/j.freeradbiomed.2015.05.035] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 05/12/2015] [Accepted: 05/30/2015] [Indexed: 11/28/2022]
Abstract
The small heat shock protein α-B-crystallin (CRYAB) is critically involved in stress-related cellular processes such as differentiation, apoptosis, and redox homeostasis. The up-regulation of CRYAB plays a key role in the cytoprotective and antioxidant response, but the molecular pathway driving its expression in muscle cells during oxidative stress still remains unknown. Here we show that noncytotoxic exposure to sodium meta-arsenite (NaAsO2) inducing redox imbalance is able to increase the CRYAB content of C2C12 myoblasts in a transcription-dependent manner. Our in silico analysis revealed a genomic region upstream of the Cryab promoter containing two putative antioxidant-responsive elements motifs and one AP-1-like binding site. The redox-sensitive transcription factors Nrf2 and the AP-1 component c-Jun were found to be up-regulated in NaAsO2-treated cells, and we demonstrated a specific NaAsO2-mediated increase of c-Jun and Nrf2 binding activity to the genomic region identified, supporting their putative involvement in CRYAB regulation following a shift in redox balance. These changes also correlated with a specific phosphorylation of JNK and p38 MAPK kinases, the well-known molecular mediators of signaling pathways leading to the activation of these transcription factors. Pretreatment of C2C12 cells with the JNK inhibitor SP600125 induced a decrease in c-Jun and Nrf2 content and was able to counteract the NaAsO2-mediated increase in CRYAB expression. Thus these data show a direct role of JNK in CRYAB regulation under redox imbalance and also point to a previously unrecognized link between c-Jun and Nrf2 transcription factors and redox-induced CRYAB expression in muscle cells.
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Affiliation(s)
- Simona Fittipaldi
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, Rome 00135, Italy
| | - Neri Mercatelli
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, Rome 00135, Italy.
| | - Ivan Dimauro
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, Rome 00135, Italy
| | - Malcolm J Jackson
- MRC-Arthritis Research UK Centre for Integrated Research into Musculoskeletal Ageing (CIMA), Department of Musculoskeletal Biology Institute of Ageing and Chronic Disease, University of Liverpool, L69 3GA, Liverpool, UK
| | - Maria Paola Paronetto
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, Rome 00135, Italy; Laboratory of Molecular and Cellular Neurobiology, CERC Fondazione Santa Lucia, Rome, Italy
| | - Daniela Caporossi
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, Rome 00135, Italy
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Jarani J, Grøntved A, Muca F, Spahi A, Qefalia D, Ushtelenca K, Kasa A, Caporossi D, Gallotta MC. Effects of two physical education programmes on health- and skill-related physical fitness of Albanian children. J Sports Sci 2015; 34:35-46. [PMID: 25854535 DOI: 10.1080/02640414.2015.1031161] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
This study aims to evaluate the effectiveness of two school-based physical education (PE) programmes (exercise-based and games-based) compared with traditional PE, on health- and skill-related physical fitness components in children in Tirana, Albania. Participants were 378 first-grade (6.8 years) and 389 fourth-grade (9.8 years) children attending four randomly selected schools in Tirana. Twenty-four school classes within these schools were randomly selected (stratified by school and school grade) to participate as exercise group (EG), games group (GG) and control group (CG). Both EG and GG intervention programmes were taught by professional PE teachers using station/circuit teaching framework while CG referred to traditional PE school lessons by a general teacher. All programmes ran in parallel and lasted 5 months, having the same frequency (twice weekly) and duration (45 min). Heart rate (HR) monitoring showed that intensity during PE lessons was significantly higher in the intervention groups compared with control (P < 0.001). Both PE exercise- and games programmes significantly improved several health- and skill-related fitness indicators compared with traditional PE lessons (e.g. gross motor skill summary score: 9.4 (95% CI 7.9; 10.9) for exercise vs. control and 6.5 (95% CI 5.1; 8.1) for games vs. control, cardiorespiratory fitness: 2.0 ml O2 · min(-1) · kg(-1) (95% CI 1.5; 2.4) for exercise vs. control and 1.4 ml O2 · min(-1) · kg(-1) (95% CI 1.0; 1.8) for games vs. control). Furthermore, compared to games-based PE, exercise-based PE showed more positive changes in some gross motor coordination skills outcomes, coordination skills outcomes and cardiorespiratory fitness. The results from this study show that exercise- and games-based PE represents a useful strategy for improving health- and skill-related physical fitness in Albanian elementary school children. In addition, the study shows that exercise-based PE was more effective than games-based PE in improving gross motor function and cardiorespiratory fitness.
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Affiliation(s)
- J Jarani
- a Sports University of Tirana , Tirana , Albania
| | - A Grøntved
- b Department of Sports Science and Clinical Biomechanics , Research Center of Childhood Health, University of Southern Denmark , Odense , Denmark
| | - F Muca
- c Tirana International School , Tirana , Albania
| | - A Spahi
- d Department of Movement and Health, Faculty of Physical Activity and Recreation , Sports University of Tirana , Tirana , Albania
| | - D Qefalia
- e Sport Centre for Children , Tirana , Albania
| | - K Ushtelenca
- f Department of Social Sciences and Education, Faculty of Movement Sciences , Sports University of Tirana , Tirana , Albania
| | - A Kasa
- g Department of Physical Activity, Recreation and Tourism, Faculty of Physical Activity and Recreation , Sports University of Tirana , Tirana , Albania
| | - D Caporossi
- h Department of Movement , Human and Health Sciences, University of Rome "Foro Italico" , Rome , Italy
| | - M C Gallotta
- h Department of Movement , Human and Health Sciences, University of Rome "Foro Italico" , Rome , Italy
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38
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Morini E, Sangiuolo F, Caporossi D, Novelli G, Amati F. Application of Next Generation Sequencing for personalized medicine for sudden cardiac death. Front Genet 2015; 6:55. [PMID: 25784923 PMCID: PMC4345839 DOI: 10.3389/fgene.2015.00055] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 02/05/2015] [Indexed: 11/25/2022] Open
Abstract
Sudden cardiac death (SCD) is a serious public health problem. In the United States, more than 300,000 people are affected by SCD every year. Significantly, sudden deaths represent 20% of the total mortality and 50% of cardiovascular mortality in Western countries. In addition, SCD constitutes one of the most important unsolved challenges in the practice of forensic pathology because of the failure to determine the exact cause of sudden death. In young individuals, SCD is frequently caused by cardiomyopathies and channelopathies, that have generally an autosomal dominant pattern of inheritance. The impact of genetics and genetic testing on the clinical management of these diseases is unquestioned. In particular, genetic tests are an important tool for identifying pre-symptomatic individuals carrying genetic variant that predisposes them to SCD. High-throughput sequencing technologies offer novel opportunities to deeper investigate the genetic background underlying these fatal diseases and to early identify individuals at risk for SCD. In this review, we provide an overview of the development of Next-Generation Sequencing (NGS) technologies and of guidelines useful to design an efficient sequencing protocol and to perform an accurate data analysis. We suggest a flow chart to follow for the set up of a genetic screening protocol for the prevention of cardiac pathologies, in particular SCD events, in young athletes.
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Affiliation(s)
- Elena Morini
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico Rome, Italy ; Department of Biomedicine and Prevention, University of RomeTor Vergata Rome, Italy
| | - Federica Sangiuolo
- Department of Biomedicine and Prevention, University of RomeTor Vergata Rome, Italy
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome Foro Italico Rome, Italy
| | - Giuseppe Novelli
- Department of Biomedicine and Prevention, University of RomeTor Vergata Rome, Italy
| | - Francesca Amati
- Department of Biomedicine and Prevention, University of RomeTor Vergata Rome, Italy
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Di Luigi L, Botrè F, Sabatini S, Sansone M, Mazzarino M, Guidetti L, Baldari C, Lenzi A, Caporossi D, Romanelli F, Sgrò P. Acute effects of physical exercise and phosphodiesterase's type 5 inhibition on serum 11β-hydroxysteroid dehydrogenases related glucocorticoids metabolites: a pilot study. Endocrine 2014; 47:952-8. [PMID: 24532078 DOI: 10.1007/s12020-014-0185-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Accepted: 01/25/2014] [Indexed: 12/11/2022]
Abstract
Endogenous glucocorticoids (GC) rapidly increase after acute exercise, and the phosphodiesterase's type 5 inhibitor (PDE5i) tadalafil influences this physiological adaptation. No data exist on acute effects of both acute exercise and PDE5i administration on 11β-hydroxysteroid dehydrogenases (11β-HSDs)-related GC metabolites. We aimed to investigate the rapid effects of exercise on serum GC metabolites, with and without tadalafil administration. A double blind crossover study was performed in eleven healthy male volunteers. After the volunteers randomly received a short-term administration of placebo or tadalafil (20 mg/die for 2 days), a maximal exercise test to exhaustion on cycle ergometer was performed. Then, after a 2-week washout period, the volunteers were crossed over. Blood samples were collected before starting exercise and at 5 and 30 min of recovery (+5-Rec, +30-Rec). Serum ACTH, corticosterone (Cn), cortisol (F), cortisone (E), tetrahydrocortisol (THF), tetrahydrocortisone (THE), cortols, cortolones and respective ratios were evaluated. Pre-Ex THF was higher after tadalafil. Exercise increased ACTH, Cn, F, E, THE, cortols and cortolones after both placebo and tadalafil, and THF after placebo. The F/E ratio increased at +5-Rec and decreased at +30-Rec after placebo. Compared to placebo, after tadalafil lower ACTH, F and Cn, higher THF/F and THE/E, and not E (at +5-Rec) and F/E modifications were observed. Acute exercise rapidly influences serum GC metabolites concentrations. Tadalafil influences both GC adaptation and 11β-HSDs activity during acute exercise. Additional researches on the effects of both exercise and PDE5i on tissue-specific 11β-HSDs activity at rest and during physiological adaptation are warranted.
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Affiliation(s)
- Luigi Di Luigi
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro de Bosis, 15, 00135, Rome, Italy,
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Papa V, Wannenes F, Crescioli C, Caporossi D, Lenzi A, Migliaccio S, Di Luigi L. The environmental pollutant cadmium induces homeostasis alteration in muscle cells in vitro. J Endocrinol Invest 2014; 37:1073-80. [PMID: 25149082 DOI: 10.1007/s40618-014-0145-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2014] [Accepted: 07/26/2014] [Indexed: 12/30/2022]
Abstract
BACKGROUND Cadmium (Cd) is a heavy metal widely distributed throughout the environment as a result of contamination from a variety of sources. It exerts toxic effects in many tissues but scarce data are present as yet on potential effects on skeletal muscle tissue. AIM To evaluate the potential alteration induced by Cd in skeletal muscle cells. MATERIALS AND METHODS C2C12 skeletal muscle cells were treated with Cd at different times of cellular differentiation and gene expression was evaluated. RESULTS Exposure to Cd decreased significantly p21 mRNA expression and strongly up-regulated cyclin D1 mRNA expression in committed cells and in differentiated myotubes. Moreover, myogenin, fast MyHC-IIb and slow MyHC-I mRNAs expression were also significantly decreased both in committed cells and in myotubes. Moreover, Cd exposure induced a strong increase of Pax3, Pax7 and Myf5 mRNAs expression and stimulated an up-regulation of IL6 and TNF-α proinflammatory cytokines. CONCLUSION These data lead to hypothesize that environmental Cd exposure might trigger an injury-like event in muscle tissue, possibly by an estrogen receptor-mediated mechanism.
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Affiliation(s)
- V Papa
- Department of Movement, Human and Health Sciences, Section of Health Sciences, University of Rome "Foro Italico", Piazza L. de Bosis 15, 00135, Rome, Italy
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Cumming KT, Raastad T, Holden G, Bastani NE, Schneeberger D, Paronetto MP, Mercatelli N, Ostgaard HN, Ugelstad I, Caporossi D, Blomhoff R, Paulsen G. Effects of vitamin C and E supplementation on endogenous antioxidant systems and heat shock proteins in response to endurance training. Physiol Rep 2014; 2:2/10/e12142. [PMID: 25293598 PMCID: PMC4254089 DOI: 10.14814/phy2.12142] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Reactive oxygen and nitrogen species are important signal molecules for adaptations to training. Due to the antioxidant properties of vitamin C and E, supplementation has been shown to blunt adaptations to endurance training. In this study, we investigated the effects of vitamin C and E supplementation and endurance training on adaptations in endogenous antioxidants and heat shock proteins (HSP). Thirty seven males and females were randomly assigned to receive Vitamin C and E (C + E; C: 1000 mg, E: 235 mg daily) or placebo (PLA), and underwent endurance training for 11 weeks. After 5 weeks, a subgroup conducted a high intensity interval session to investigate acute stress responses. Muscle and blood samples were obtained to investigate changes in proteins and mRNA related to the antioxidant and HSP system. The acute response to the interval session revealed no effects of C + E supplementation on NFκB activation. However, higher stress responses to exercise in C + E group was indicated by larger translocation of HSPs and a more pronounced gene expression compared to PLA. Eleven weeks of endurance training decreased muscle GPx1, HSP27 and αB‐crystallin, while mnSOD, HSP70 and GSH remained unchanged, with no influence of supplementation. Plasma GSH increased in both groups, while uric acid decreased in the C + E group only. Our results showed that C + E did not affect long‐term training adaptations in the antioxidant‐ and HSP systems. However, the greater stress responses to exercise in the C + E group might indicate that long‐term adaptations occurs through different mechanisms in the two groups. Reactive oxygen species are important signal molecules for adaptations to training. Previously vitamin C and E supplements has been shown to blunt adaptations to endurance training. In this study, we investigated the effects of vitamin C and E supplementation and endurance training on adaptations in endogenous antioxidants and heat shock proteins.
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Affiliation(s)
- Kristoffer T Cumming
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Truls Raastad
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Geir Holden
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Nasser E Bastani
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Damaris Schneeberger
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Maria Paola Paronetto
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Neri Mercatelli
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Hege N Ostgaard
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Ingrid Ugelstad
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Rune Blomhoff
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway Division of Cancer Medicine, Surgery and Transplantation, Oslo University Hospital, Oslo, Norway
| | - Gøran Paulsen
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway Norwegian Olympic Sports Center, Oslo, Norway
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Grazioli E, Dimauro I, Mercatelli N, Barone R, Macaluso F, Fittipaldi S, Di Felice V, Caporossi D. SFRR-E Young Investigator AwardeeαB-crystallin modulation after acute exercise in skeletal muscle: the role of oxidative stress and fiber composition. Free Radic Biol Med 2014; 75 Suppl 1:S13-4. [PMID: 26461288 DOI: 10.1016/j.freeradbiomed.2014.10.585] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
αB-crystallin (CRYAB) is a member of the small heat shock proteins implicated in various biological functions, particularly in skeletal muscle where it is involved in adaptive remodelling processes, activation of gene transcription and stabilization of nascent proteins.In this research we analysed αB-crystallin' response in mouse gastrocnemius at 15' and 30' of recovery from an acute aerobic exercise (1hour), correlating its modulation with oxidative stress level and fiber composition, red (RG) and white gastrocnemius (WG).We found for the first time that the acute exercise lead to a short term, specific increase of phospho-αB-crystallin level (pCRYAB) in the RG, while no changes were observed in the WG. Moreover, this induction was correlated with increased level of 4-hydroxynonenal (HNE),suggesting a putative role for oxidative stress in driving CRYAB, but not hsp70 or hsp27, activity during exercise. Any increased level of αB-crystallin' protein was observed neither in RG nor in WG. These data were also supported by our in vitro experiments showing a significant enhancement of pCRYAB in H2O2-treated C2C12 myotubes.Although our results seem suggest a fiber-dependent role of CRYAB, further experiments are in progress to clarify both the molecular pathway driving CRYAB phosphorylation and its fiber-specific induction after exercise -induced oxidative stress.This work was supported by MIUR - PRIN 2012 grant.
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Affiliation(s)
- Elisa Grazioli
- University of Rome Foro Italico (Rome), Department of Movement, Human and Health Sciences, Italy.
| | - Ivan Dimauro
- University of Rome Foro Italico (Rome), Department of Movement, Human and Health Sciences, Italy
| | - Neri Mercatelli
- University of Rome Foro Italico (Rome), Department of Movement, Human and Health Sciences, Italy
| | - Rosario Barone
- University of Palermo (Palermo), Department of Experimental Biomedicine and Clinical Neurosciences, Italy
| | - Filippo Macaluso
- University of Palermo (Palermo), Department of Experimental Biomedicine and Clinical Neurosciences, Italy
| | - Simona Fittipaldi
- University of Rome Foro Italico (Rome), Department of Movement, Human and Health Sciences, Italy
| | - Valentina Di Felice
- University of Palermo (Palermo), Department of Experimental Biomedicine and Clinical Neurosciences, Italy
| | - Daniela Caporossi
- University of Rome Foro Italico (Rome), Department of Movement, Human and Health Sciences, Italy
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Abstract
FUS/TLS, EWS and TAF15 are members of the FET family of DNA and RNA binding proteins, involved in multiple steps of DNA and RNA processing and implicated in the regulation of gene expression and cell-signaling. All members of the FET family contribute to human pathologies, as they are involved in sarcoma translocations and neurodegenerative diseases. Mutations in FUS/TLS, in EWSR1 and in TAF15 genescause Amyotrophic Lateral Sclerosis (ALS), a fatal human neurodegenerative disease that affects primarily motor neurons and is characterized by the progressive loss of motor neurons and degradation of the neuromuscular junctions.ALS-associated FET mutations cause FET protein relocalization into cytoplasmic aggregates, thus impairing their normal function. Protein aggregation has been suggested as a co-opting factor during the disease pathogenesis. Cytoplasmic mislocalization of FET proteins contributes to the formation of cytoplasmic aggregates that may alter RNA processing and initiate motor neuron degeneration. Interestingly, oxidative stress, which is implicated in the pathogenesis of ALS, triggers the accumulation of mutant FUS in cytoplasmic stress granules where it binds and sequester wild-type FUS.In order to evaluate the role of FET proteins in ALS and their involvement in the response to oxidative stress, we have developed cellular models of ALS expressing ALS-related FET mutants in neuroblastoma cell lines. Upon treatment with sodium arsenite, cells were analysed by immunofluorescence to monitor the localization of wild-type and mutated FET proteins. Furthermore, we have characterized signal transduction pathways and cell survival upon oxidative stress in our cellular models of ALS. Interestingly, we found that EWS mutant proteins display a different localization from FUS mutants and neither wild-type nor mutated EWS protein translocate into stress granules upon oxidative stress treatment. Collectively, our data provide a new link between the oxidative stress response and RNA metabolism in ALS disease.
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Affiliation(s)
- Francesca Svetoni
- University of Rome "Foro Italico" (University of Rome "Foro Italico"), Department of Health Science, Piazza Lauro de Bosis, 6, 00135, Rome, Italy..
| | - Daniela Caporossi
- University of Rome "Foro Italico" (University of Rome "Foro Italico"), Department of Health Science, Piazza Lauro de Bosis, 6, 00135, Rome, Italy
| | - Maria Paola Paronetto
- University of Rome "Foro Italico" (University of Rome "Foro Italico"), Department of Health Science, Piazza Lauro de Bosis, 6, 00135, Rome, Italy
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Dimauro I, Grasso L, Fittipaldi S, Fantini C, Mercatelli N, Racca S, Geuna S, Di Gianfrancesco A, Caporossi D, Pigozzi F, Borrione P. Platelet-rich plasma and skeletal muscle healing: a molecular analysis of the early phases of the regeneration process in an experimental animal model. PLoS One 2014; 9:e102993. [PMID: 25054279 PMCID: PMC4108405 DOI: 10.1371/journal.pone.0102993] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Accepted: 06/24/2014] [Indexed: 12/27/2022] Open
Abstract
Platelet-rich plasma (PRP) has received increasing interest in applied medicine, being widely used in clinical practice with the aim of stimulating tissue healing. Despite the reported clinical success, there is still a lack of knowledge when considering the biological mechanisms at the base of the activity of PRP during the process of muscle healing. The aim of the present study was to verify whether the local delivery of PRP modulates specific molecular events involved in the early stages of the muscle regeneration process. The right flexor sublimis muscle of anesthetized Wistar rats was mechanically injured and either treated with PRP or received no treatment. At day 2 and 5 after surgery, the animals were sacrificed and the muscle samples evaluated at molecular levels. PRP treatment increased significantly the mRNA level of the pro-inflammatory cytokines IL-1β, and TGF-β1. This phenomenon induced an increased expression at mRNA and/or protein levels of several myogenic regulatory factors such as MyoD1, Myf5 and Pax7, as well as the muscular isoform of insulin-like growth factor1 (IGF-1Eb). No effect was detected with respect to VEGF-A expression. In addition, PRP application modulated the expression of miR-133a together with its known target serum response factor (SRF); increased the phosphorylation of αB-cristallin, with a significant improvement in several apoptotic parameters (NF-κB-p65 and caspase 3), indexes of augmented cell survival. The results of the present study indicates that the effect of PRP in skeletal muscle injury repair is due both to the modulation of the molecular mediators of the inflammatory and myogenic pathways, and to the control of secondary pathways such as those regulated by myomiRNAs and heat shock proteins, which contribute to proper and effective tissue regeneration.
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Affiliation(s)
- Ivan Dimauro
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Loredana Grasso
- Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Simona Fittipaldi
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Cristina Fantini
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Neri Mercatelli
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Silvia Racca
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
| | - Stefano Geuna
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
| | - Alessia Di Gianfrancesco
- Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Daniela Caporossi
- Unit of Biology, Genetics and Biochemistry, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
- * E-mail:
| | - Fabio Pigozzi
- Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
| | - Paolo Borrione
- Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Rome, Italy
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Beltran Valls MR, Dimauro I, Brunelli A, Tranchita E, Ciminelli E, Caserotti P, Duranti G, Sabatini S, Parisi P, Parisi A, Caporossi D. Explosive type of moderate-resistance training induces functional, cardiovascular, and molecular adaptations in the elderly. Age (Dordr) 2014; 36:759-772. [PMID: 24136652 PMCID: PMC4039278 DOI: 10.1007/s11357-013-9584-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Accepted: 09/04/2013] [Indexed: 06/01/2023]
Abstract
Current recommendations aimed at reducing neuromuscular and functional loss in aged muscle have identified muscle power as a key target for intervention trials, although little is known about the biological and cardiovascular systemic response in the elderly. This study investigated the effects of 12 weeks of low-frequency, moderate-intensity, explosive-type resistance training (EMRT) on muscle strength and power in old community-dwelling people (70-75 years), monitoring functional performance linked to daily living activities (ADL) and cardiovascular response, as well as biomarkers of muscle damage, cardiovascular risk, and cellular stress response. The present study provides the first evidence that EMRT was highly effective in achieving a significant enhancement in muscular strength and power as well as in functional performance without causing any detrimental modification in cardiovascular, inflammatory, and damage parameters. Moreover, trained elderly subjects showed an adaptive response at both systemic and cellular levels by modulation of antioxidant and stress-induced markers such as myeloperoxidase (MPO), heat shock protein 70 (Hsp70) and 27 (Hsp27), and thioredoxin reductase 1 (TrxR1).
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Affiliation(s)
- Maria Reyes Beltran Valls
- />Unit of Biology, Genetics and Biochemistry, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Ivan Dimauro
- />Unit of Biology, Genetics and Biochemistry, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Andrea Brunelli
- />Unit of Biology, Genetics and Biochemistry, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Eliana Tranchita
- />Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Emanuela Ciminelli
- />Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Paolo Caserotti
- />Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campus vej 55, 5230 Odense M, Denmark
| | - Guglielmo Duranti
- />Unit of Biology, Genetics and Biochemistry, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Stefania Sabatini
- />Unit of Biology, Genetics and Biochemistry, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Paolo Parisi
- />Unit of Biology, Genetics and Biochemistry, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Attilio Parisi
- />Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Daniela Caporossi
- />Unit of Biology, Genetics and Biochemistry, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Rome, Italy
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Beltran Valls MR, Wilkinson DJ, Narici MV, Smith K, Phillips BE, Caporossi D, Atherton PJ. Protein carbonylation and heat shock proteins in human skeletal muscle: relationships to age and sarcopenia. J Gerontol A Biol Sci Med Sci 2014; 70:174-81. [PMID: 24621945 PMCID: PMC4301601 DOI: 10.1093/gerona/glu007] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Aging is associated with a gradual loss of muscle mass termed sarcopenia, which has significant impact on quality-of-life. Because oxidative stress is proposed to negatively impact upon musculoskeletal aging, we investigated links between human aging and markers of oxidative stress, and relationships to muscle mass and strength in young and old nonsarcopenic and sarcopenic adults. Sixteen young and 16 old males (further subdivided into “old” and “old sarcopenic”) were studied. The abundance of protein carbonyl adducts within skeletal muscle sarcoplasmic, myofibrillar, and mitochondrial protein subfractions from musculus vastus lateralis biopsies were determined using Oxyblot immunoblotting techniques. In addition, concentrations of recognized cytoprotective proteins (eg, heat shock proteins [HSP], αβ-crystallin) were also assayed. Aging was associated with increased mitochondrial (but not myofibrillar or sarcoplasmic) protein carbonyl adducts, independently of (stage-I) sarcopenia. Correlation analyses of all subjects revealed that mitochondrial protein carbonyl abundance negatively correlated with muscle strength ([1-repetition maximum], p = .02, r2 = −.16), but not muscle mass (p = .13, r2 = −.08). Abundance of cytoprotective proteins, including various HSPs (HSP 27 and 70), were unaffected by aging/sarcopenia. To conclude, these data reveal that mitochondrial protein carbonylation increases moderately with age, and that this increase may impact upon skeletal muscle function, but is not a hallmark of (stage-I) sarcopenia, per se.
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Affiliation(s)
- Maria R Beltran Valls
- Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, University of Rome "ForoItalico," Italy
| | - Daniel J Wilkinson
- Division of Medical Sciences & Graduate Entry Medicine, MRC-ARUK Centre of Excellence for Musculoskeletal Ageing Research, University of Nottingham, Royal Derby Hospital Centre
| | - Marco V Narici
- Division of Medical Sciences & Graduate Entry Medicine, MRC-ARUK Centre of Excellence for Musculoskeletal Ageing Research, University of Nottingham, Royal Derby Hospital Centre
| | - Kenneth Smith
- Division of Medical Sciences & Graduate Entry Medicine, MRC-ARUK Centre of Excellence for Musculoskeletal Ageing Research, University of Nottingham, Royal Derby Hospital Centre
| | - Bethan E Phillips
- Division of Medical Sciences & Graduate Entry Medicine, MRC-ARUK Centre of Excellence for Musculoskeletal Ageing Research, University of Nottingham, Royal Derby Hospital Centre
| | - Daniela Caporossi
- Department of Movement, Human and Health Sciences, Unit of Biology, Genetics and Biochemistry, University of Rome "ForoItalico," Italy
| | - Philip J Atherton
- Division of Medical Sciences & Graduate Entry Medicine, MRC-ARUK Centre of Excellence for Musculoskeletal Ageing Research, University of Nottingham, Royal Derby Hospital Centre.
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47
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Wang G, Mikami E, Chiu LL, DE Perini A, Deason M, Fuku N, Miyachi M, Kaneoka K, Murakami H, Tanaka M, Hsieh LL, Hsieh SS, Caporossi D, Pigozzi F, Hilley A, Lee R, Galloway SDR, Gulbin J, Rogozkin VA, Ahmetov II, Yang N, North KN, Ploutarhos S, Montgomery HE, Bailey MES, Pitsiladis YP. Association analysis of ACE and ACTN3 in elite Caucasian and East Asian swimmers. Med Sci Sports Exerc 2014. [PMID: 23190598 DOI: 10.1249/mss.0b013e31827c501f] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
PURPOSE Polymorphic variation in the angiotensin-converting enzyme (ACE) and α-actinin-3 (ACTN3) genes has been reported to be associated with endurance and/or power-related human performance. Our aim was to investigate whether polymorphisms in ACE and ACTN3 are associated with elite swimmer status in Caucasian and East Asian populations. METHODS ACE I/D and ACTN3 R577X genotyping was carried out for 200 elite Caucasian swimmers from European, Commonwealth, Russian, and American cohorts (short and middle distance, ≤400 m, n = 130; long distance, >400 m, n = 70) and 326 elite Japanese and Taiwanese swimmers (short distance, ≤100 m, n = 166; middle distance, 200-400 m, n = 160). Genetic associations were evaluated by logistic regression and other tests accommodating multiple testing adjustment. RESULTS ACE I/D was associated with swimmer status in Caucasians, with the D allele being overrepresented in short-and-middle-distance swimmers under both additive and I-allele-dominant models (permutation test P = 0.003 and P = 0.0005, respectively). ACE I/D was also associated with swimmer status in East Asians. In this group, however, the I allele was overrepresented in the short-distance swimmer group (permutation test P = 0.041 and P = 0.0098 under the additive and the D-allele-dominant models, respectively). ACTN3 R577X was not significantly associated with swimmer status in either Caucasians or East Asians. CONCLUSIONS ACE I/D associations were observed in these elite swimmer cohorts, with different risk alleles responsible for the associations in swimmers of different ethnicities. The functional ACTN3 R577X polymorphism did not show any significant association with elite swimmer status, despite numerous previous reports of associations with "power/sprint" performance in other sports.
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Affiliation(s)
- Guan Wang
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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48
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Ceci R, Beltran Valls MR, Duranti G, Dimauro I, Quaranta F, Pittaluga M, Sabatini S, Caserotti P, Parisi P, Parisi A, Caporossi D. Oxidative stress responses to a graded maximal exercise test in older adults following explosive-type resistance training. Redox Biol 2013; 2:65-72. [PMID: 25460722 PMCID: PMC4297938 DOI: 10.1016/j.redox.2013.12.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 12/04/2013] [Accepted: 12/05/2013] [Indexed: 11/30/2022] Open
Abstract
We recently demonstrated that low frequency, moderate intensity, explosive-type resistance training (EMRT) is highly beneficial in elderly subjects towards muscle strength and power, with a systemic adaptive response of anti-oxidant and stress-induced markers. In the present study, we aimed to evaluate the impact of EMRT on oxidative stress biomarkers induced in old people (70–75 years) by a single bout of acute, intense exercise. Sixteen subjects randomly assigned to either a control, not exercising group (n=8) or a trained group performing EMRT protocol for 12-weeks (n=8), were submitted to a graded maximal exercise stress test (GXT) at baseline and after the 12-weeks of EMRT protocol, with blood samples collected before, immediately after, 1 and 24 h post-GXT test. Blood glutathione (GSH, GSSG, GSH/GSSG), plasma malonaldehyde (MDA), protein carbonyls and creatine kinase (CK) levels, as well as PBMCs cellular damage (Comet assay, apoptosis) and stress–protein response (Hsp70 and Hsp27 expression) were evaluated. The use of multiple biomarkers allowed us to confirm that EMRT per se neither affected redox homeostasis nor induced any cellular and oxidative damage. Following the GXT, the EMRT group displayed a higher GSH/GSSG ratio and a less pronounced increase in MDA, protein carbonyls and CK levels compared to control group. Moreover, we found that Hsp70 and Hsp27 proteins were induced after GXT only in EMRT group, while any significant modification within 24 h was detected in untrained group. Apoptosis rates and DNA damage did not show any significant variation in relation to EMRT and/or GXT. In conclusion, the adherence to an EMRT protocol is able to induce a cellular adaptation allowing healthy elderly trained subjects to cope with the oxidative stress induced by an acute exercise more effectively than the aged-matched sedentary subjects. A low frequency, moderate intensity, explosive-type resistance training (EMRT) does not affect redox homeostasis at rest. EMRT improves the general adaptive response to oxidative stress induced by graded maximal effort. EMRT is effective intervention for improving the overall health of the older people.
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Affiliation(s)
- Roberta Ceci
- Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy.
| | - Maria Reyes Beltran Valls
- Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Guglielmo Duranti
- Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Ivan Dimauro
- Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Federico Quaranta
- Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Monica Pittaluga
- Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Stefania Sabatini
- Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Paolo Caserotti
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campus vej 55, 5230 Odense M, Denmark
| | - Paolo Parisi
- Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Attilio Parisi
- Unit of Internal Medicine, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
| | - Daniela Caporossi
- Unit of Biology, Genetics and Biochemistry, University of Rome "Foro Italico", Piazza Lauro De Bosis 15, 00135 Rome, Italy
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49
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Fittipaldi S, Dimauro I, Mercatelli N, Caporossi D. Role of exercise-induced reactive oxygen species in the modulation of heat shock protein response. Free Radic Res 2013; 48:52-70. [DOI: 10.3109/10715762.2013.835047] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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50
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Conte M, Vasuri F, Trisolino G, Bellavista E, Santoro A, Degiovanni A, Martucci E, D'Errico-Grigioni A, Caporossi D, Capri M, Maier AB, Seynnes O, Barberi L, Musarò A, Narici MV, Franceschi C, Salvioli S. Increased Plin2 expression in human skeletal muscle is associated with sarcopenia and muscle weakness. PLoS One 2013; 8:e73709. [PMID: 23977392 PMCID: PMC3744478 DOI: 10.1371/journal.pone.0073709] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Accepted: 07/22/2013] [Indexed: 11/28/2022] Open
Abstract
Human aging is associated with a progressive loss of muscle mass and strength and a concomitant fat accumulation in form of inter-muscular adipose tissue, causing skeletal muscle function decline and immobilization. Fat accumulation can also occur as intra-muscular triglycerides (IMTG) deposition in lipid droplets, which are associated with perilipin proteins, such as Perilipin2 (Plin2). It is not known whether Plin2 expression changes with age and if this has consequences on muscle mass and strength. We studied the expression of Plin2 in the vastus lateralis (VL) muscle of both healthy subjects and patients affected by lower limb mobility limitation of different age. We found that Plin2 expression increases with age, this phenomenon being particularly evident in patients. Moreover, Plin2 expression is inversely correlated with quadriceps strength and VL thickness. To investigate the molecular mechanisms underpinning this phenomenon, we focused on IGF-1/p53 network/signalling pathway, involved in muscle physiology. We found that Plin2 expression strongly correlates with increased p53 activation and reduced IGF-1 expression. To confirm these observations made on humans, we studied mice overexpressing muscle-specific IGF-1, which are protected from sarcopenia. These mice resulted almost negative for the expression of Plin2 and p53 at two years of age. We conclude that fat deposition within skeletal muscle in form of Plin2-coated lipid droplets increases with age and is associated with decreased muscle strength and thickness, likely through an IGF-1- and p53-dependent mechanism. The data also suggest that excessive intramuscular fat accumulation could be the initial trigger for p53 activation and consequent loss of muscle mass and strength.
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Affiliation(s)
- Maria Conte
- Department of Experimental, Diagnostic and Specialty Medicine and Interdepartmental Centre L Galvani, CIG, University of Bologna, Bologna, Italy.
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