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Mercurio V, Cuomo A, Cadeddu Dessalvi C, Deidda M, Di Lisi D, Novo G, Manganaro R, Zito C, Santoro C, Ameri P, Spallarossa P, Arboscello E, Tocchetti CG, Penna C. Redox Imbalances in Ageing and Metabolic Alterations: Implications in Cancer and Cardiac Diseases. An Overview from the Working Group of Cardiotoxicity and Cardioprotection of the Italian Society of Cardiology (SIC). Antioxidants (Basel) 2020; 9:E641. [PMID: 32708201 PMCID: PMC7402085 DOI: 10.3390/antiox9070641] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/14/2020] [Accepted: 07/16/2020] [Indexed: 12/14/2022] Open
Abstract
Metabolic syndrome (MetS) is a well established risk factor for cardiovascular (CV) diseases. In addition, several studies indicate that MetS correlates with the increased risk of cancer in adults. The mechanisms linking MetS and cancer are not fully understood. Several risk factors involved in MetS are also cancer risk factors, such as the consumption of high calorie-food or high fat intake, low fibre intake, and sedentary lifestyle. Other common aspects of both cancer and MetS are oxidative stress and inflammation. In addition, some anticancer treatments can induce cardiotoxicity, including, for instance, left ventricular (LV) dysfunction and heart failure (HF), endothelial dysfunction and hypertension. In this review, we analyse several aspects of MetS, cancer and cardiotoxicity from anticancer drugs. In particular, we focus on oxidative stress in ageing, cancer and CV diseases, and we analyse the connections among CV risk factors, cancer and cardiotoxicity from anticancer drugs.
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Affiliation(s)
- Valentina Mercurio
- Department of Translational Medical Sciences, Federico II University, 80131 Naples, Italy; (V.M.); (A.C.)
| | - Alessandra Cuomo
- Department of Translational Medical Sciences, Federico II University, 80131 Naples, Italy; (V.M.); (A.C.)
| | - Christian Cadeddu Dessalvi
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Cagliari, Italy; (C.C.D.); (M.D.)
| | - Martino Deidda
- Department of Medical Sciences and Public Health, University of Cagliari, 09042 Cagliari, Italy; (C.C.D.); (M.D.)
| | - Daniela Di Lisi
- Cardiology Unit AUOP Policlinico, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90127 Palermo, Italy; (D.D.L.); (G.N.)
| | - Giuseppina Novo
- Cardiology Unit AUOP Policlinico, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90127 Palermo, Italy; (D.D.L.); (G.N.)
| | - Roberta Manganaro
- Cardiology with Coronary Intensive Care Unit, Department of Clinical and Experimental Medicine, University Hospital Policlinico “G. Martino”, University of Messina, 98124 Messina, Italy; (R.M.); (C.Z.)
| | - Concetta Zito
- Cardiology with Coronary Intensive Care Unit, Department of Clinical and Experimental Medicine, University Hospital Policlinico “G. Martino”, University of Messina, 98124 Messina, Italy; (R.M.); (C.Z.)
| | - Ciro Santoro
- Department of Advanced Biomedical Sciences, Federico II University, 80131 Naples, Italy;
| | - Pietro Ameri
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy—IRCCS Italian Cardiovascular Network & Department of Internal Medicine, University of Genova, 16121 Genova, Italy; (P.A.); (P.S.); (E.A.)
| | - Paolo Spallarossa
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy—IRCCS Italian Cardiovascular Network & Department of Internal Medicine, University of Genova, 16121 Genova, Italy; (P.A.); (P.S.); (E.A.)
| | - Eleonora Arboscello
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy—IRCCS Italian Cardiovascular Network & Department of Internal Medicine, University of Genova, 16121 Genova, Italy; (P.A.); (P.S.); (E.A.)
| | - Carlo Gabriele Tocchetti
- Department of Translational Medical Sciences, Federico II University, 80131 Naples, Italy; (V.M.); (A.C.)
- Interdepartmental Center of Clinical and Translational Sciences, Federico II University, 80131 Naples, Italy
| | - Claudia Penna
- Department of Clinical and Biological Sciences, University of Turin, 10043 Torino, Italy
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Pandey AK, Verma S. Combination drug therapy for multimodal treatment of cancer by targeting mitochondrial transcriptional pathway: An in-silico approach. Med Hypotheses 2020; 143:110075. [PMID: 32652430 DOI: 10.1016/j.mehy.2020.110075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/23/2020] [Accepted: 07/01/2020] [Indexed: 12/26/2022]
Abstract
Cancer pathologies are deeply associated with mitochondrial dysfunction. TFAM, transcription factor A of mitochondria plays eminent role in transcription and replication of mtDNA to synthesize different mitochondrial proteins, has been reported to have elevated levels during malignancy and can be a compelling target of the disease. We hypothesize that violacein and silver nanoparticles, as a dyad drug system, can structurally bind and inhibit TFAM at the interface of TFAM-DNA complex during replication and thus can hinder majority of pathways contributing to cancer proliferation. It is evident from our molecular docking analysis of violacein and silver nanoparticles with the TFAM-DNA complex which gave resulting negative binding energy of -8.836 kcal/mol for violacein with inhibition constant (Ki value) of 1.51 μM and high binding score of 9518 for silver nanoparticle in the DNA interacting cavity of TFAM. Hence, our hypothesis of employing violacein and silver nanoparticle for cancer treatment by TFAM inhibition seems highly promising and further in-vitro and in-vivo studies are extremely demanded in this concern.
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Affiliation(s)
- Anand Kumar Pandey
- Department of Biotechnology Engineering, Institute of Engineering and Technology, Bundelkhand University, Jhansi 284128, India.
| | - Shalja Verma
- Department of Biotechnology Engineering, Institute of Engineering and Technology, Bundelkhand University, Jhansi 284128, India; Department of Biochemical Engineering and Biotechnology. Indian Institute of Technology, Hauz Khas, New Delhi 110016, India
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253
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Hyun DH. Insights into the New Cancer Therapy through Redox Homeostasis and Metabolic Shifts. Cancers (Basel) 2020; 12:cancers12071822. [PMID: 32645959 PMCID: PMC7408991 DOI: 10.3390/cancers12071822] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/02/2020] [Accepted: 07/06/2020] [Indexed: 12/18/2022] Open
Abstract
Modest levels of reactive oxygen species (ROS) are necessary for intracellular signaling, cell division, and enzyme activation. These ROS are later eliminated by the body’s antioxidant defense system. High amounts of ROS cause carcinogenesis by altering the signaling pathways associated with metabolism, proliferation, metastasis, and cell survival. Cancer cells exhibit enhanced ATP production and high ROS levels, which allow them to maintain elevated proliferation through metabolic reprograming. In order to prevent further ROS generation, cancer cells rely on more glycolysis to produce ATP and on the pentose phosphate pathway to provide NADPH. Pro-oxidant therapy can induce more ROS generation beyond the physiologic thresholds in cancer cells. Alternatively, antioxidant therapy can protect normal cells by activating cell survival signaling cascades, such as the nuclear factor erythroid 2-related factor 2 (Nrf2)-Kelch-like ECH-associated protein 1 (Keap1) pathway, in response to radio- and chemotherapeutic drugs. Nrf2 is a key regulator that protects cells from oxidative stress. Under normal conditions, Nrf2 is tightly bound to Keap1 and is ubiquitinated and degraded by the proteasome. However, under oxidative stress, or when treated with Nrf2 activators, Nrf2 is liberated from the Nrf2-Keap1 complex, translocated into the nucleus, and bound to the antioxidant response element in association with other factors. This cascade results in the expression of detoxifying enzymes, including NADH-quinone oxidoreductase 1 (NQO1) and heme oxygenase 1. NQO1 and cytochrome b5 reductase can neutralize ROS in the plasma membrane and induce a high NAD+/NADH ratio, which then activates SIRT1 and mitochondrial bioenergetics. NQO1 can also stabilize the tumor suppressor p53. Given their roles in cancer pathogenesis, redox homeostasis and the metabolic shift from glycolysis to oxidative phosphorylation (through activation of Nrf2 and NQO1) seem to be good targets for cancer therapy. Therefore, Nrf2 modulation and NQO1 stimulation could be important therapeutic targets for cancer prevention and treatment.
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Affiliation(s)
- Dong-Hoon Hyun
- Department of Life Science, Ewha Womans University, Seoul 03760, Korea
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254
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Placenta-Derived Mesenchymal Stem Cells Restore the Ovary Function in an Ovariectomized Rat Model via an Antioxidant Effect. Antioxidants (Basel) 2020; 9:antiox9070591. [PMID: 32640638 PMCID: PMC7402146 DOI: 10.3390/antiox9070591] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/01/2020] [Accepted: 07/03/2020] [Indexed: 12/18/2022] Open
Abstract
Oxidative stress is one of the major etiologies of ovarian dysfunction, including premature ovarian failure (POF). Previous reports have demonstrated the therapeutic effects of human placenta-derived mesenchymal stem cells (PD-MSCs) in an ovariectomized rat model (OVX). However, their therapeutic mechanism in oxidative stress has not been reported. Therefore, we investigated to profile the exosome of serum and demonstrate the therapeutic effect of PD-MSCs transplantation for the ovary function. We established an OVX model by ovariectomy and PD-MSCs transplantation was conducted by intravenous injection. Additionally, various factors in the exosome were profiled by LC-MS analysis. As a result, the transplanted PD-MSCs were engrafted into the ovary and the existence of antioxidant factors in the exosome. A decreased expression of oxidative stress markers and increased expression of antioxidant markers were shown in the transplantation (Tx) in comparison to the non-transplantation group (NTx) (* p < 0.05). The apoptosis factors were decreased, and ovary function was improved in Tx in comparison to NTx (* p < 0.05). These results suggest that transplanted PD-MSCs restore the ovarian function in an OVX model via upregulated antioxidant factors. These findings offer new insights for further understanding of stem cell therapy for reproductive systems.
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255
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Abstract
Ubiquitination is a modification after protein transcription that plays a vital role in maintaining the homeostasis of the cellular environment. The Homologous to E6AP C-terminus (HECT) family E3 ubiquitin ligases are a kind of E3 ubiquitin ligases with a C-terminal HECT domain that mediates the binding of ubiquitin to substrate proteins and a variable-length N-terminal extension. HECT-ubiquitinated ligases can be divided into three categories: NEDD4 superfamily, HERC superfamily, and other HECT superfamilies. HECT ubiquitin ligase plays an essential role in the development of many human diseases. In this review, we focus on the physiological and pathological processes involved in oxidative stress and the role of E3 ubiquitin ligase of the HECT family.
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256
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Marzuca-Nassr GN, SanMartín-Calísto Y, Guerra-Vega P, Artigas-Arias M, Alegría A, Curi R. Skeletal Muscle Aging Atrophy: Assessment and Exercise-Based Treatment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1260:123-158. [PMID: 32304033 DOI: 10.1007/978-3-030-42667-5_6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In the ordinary course of aging, individuals change their body composition, mainly reducing their skeletal muscle mass and increasing their fat mass. In association, muscle strength and functionality also decrease. The geriatric assessment allows knowing the baseline situation of the patients, determines the impact of diseases, and defines specific treatments. There are various tools to evaluate the health condition of older people. These tools include the assessment scales of necessary Activities of Daily Living (ADL) and Instrumental Activities of Daily Living (IADL), physical and functional assessment scales, and instruments that assess the cognitive state of the person. There are several strategies that have been proposed to combat skeletal muscle atrophy due to aging, such as physical exercise, nutritional supplements, or drugs. Some researchers have highlighted the efficacy of the combination of the mentioned strategies. In this chapter, we will focus only on physical exercise as a strategy to reduce skeletal muscle loss during aging.
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Affiliation(s)
- Gabriel Nasri Marzuca-Nassr
- Departamento de Medicina Interna, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile. .,Magíster en Terapia Física con menciones, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile.
| | - Yuri SanMartín-Calísto
- Magíster en Terapia Física con menciones, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
| | - Pablo Guerra-Vega
- Magíster en Terapia Física con menciones, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile.,Escuela de Kinesiología, Facultad de Ciencias de la Salud, Universidad San Sebastián, Puerto Montt, Chile
| | - Macarena Artigas-Arias
- Magíster en Terapia Física con menciones, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
| | - Andrea Alegría
- Magíster en Terapia Física con menciones, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
| | - Rui Curi
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, Sao Paulo, Brazil
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257
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Lin Y, Zhao WR, Shi WT, Zhang J, Zhang KY, Ding Q, Chen XL, Tang JY, Zhou ZY. Pharmacological Activity, Pharmacokinetics, and Toxicity of Timosaponin AIII, a Natural Product Isolated From Anemarrhena asphodeloides Bunge: A Review. Front Pharmacol 2020; 11:764. [PMID: 32581782 PMCID: PMC7283383 DOI: 10.3389/fphar.2020.00764] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 05/07/2020] [Indexed: 12/13/2022] Open
Abstract
Anemarrhena asphodeloides Bunge is a famous Chinese Materia Medica and has been used in traditional Chinese medicine for more than two thousand years. Steroidal saponins are important active components isolated from A. asphodeloides Bunge. Among which, the accumulation of numerous experimental studies involved in Timosaponin AIII (Timo AIII) draws our attention in the recent decades. In this review, we searched all the scientific literatures using the key word "timosaponin AIII" in the PubMed database update to March 2020. We comprehensively summarized the pharmacological activity, pharmacokinetics, and toxicity of Timo AIII. We found that Timo AIII presents multiple-pharmacological activities, such as anti-cancer, anti-neuronal disorders, anti-inflammation, anti-coagulant, and so on. And the anti-cancer effect of Timo AIII in various cancers, especially hepatocellular cancer and breast cancer, is supposed as its most potential activity. The anti-inflammatory activity of Timo AIII is also beneficial to many diseases. Moreover, VEGFR, X-linked inhibitor of apoptosis protein (XIAP), B-cell-specific Moloney murine leukemia virus integration site 1 (BMI1), thromboxane (Tx) A2 receptor, mTOR, NF-κB, COX-2, MMPs, acetylcholinesterase (AChE), and so on are identified as the crucial pharmacological targets of Timo AIII. Furthermore, the hepatotoxicity of Timo AIII was most concerned, and the pharmacokinetics and toxicity of Timo AIII need further studies in diverse animal models. In conclusion, Timo AIII is potent as a compound or leading compound for further drug development while still needs in-depth studies.
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Affiliation(s)
- Yan Lin
- Department of Cardiovascular Research Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Oncology, The Fourth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Wai-Rong Zhao
- Department of Cardiovascular Research Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wen-Ting Shi
- Department of Cardiovascular Research Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jing Zhang
- Department of Cardiovascular Research Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Kai-Yu Zhang
- Department of Cardiovascular Research Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qian Ding
- College of Basic Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Xin-Lin Chen
- Department of Cardiovascular Research Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jing-Yi Tang
- Department of Cardiovascular Research Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhong-Yan Zhou
- Department of Cardiovascular Research Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao, Macau
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258
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Rodríguez-Hernández MA, de la Cruz-Ojeda P, Gallego P, Navarro-Villarán E, Staňková P, Del Campo JA, Kučera O, Elkalaf M, Maseko TE, Červinková Z, Muntané J. Dose-dependent regulation of mitochondrial function and cell death pathway by sorafenib in liver cancer cells. Biochem Pharmacol 2020; 176:113902. [PMID: 32156660 DOI: 10.1016/j.bcp.2020.113902] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 03/03/2020] [Indexed: 01/14/2023]
Abstract
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer and the fourth most frequent cause of cancer-related death worldwide. Sorafenib is the first line recommended therapy for patients with locally advanced/metastatic HCC. The low response rate is attributed to intrinsic resistance of HCC cells to Sorafenib. The potential resistance to Sorafenib-induced cell death is multifactorial and involves all hallmarks of cancer. However, the presence of sub-therapeutic dose can negatively influence the antitumoral properties of the drug. In this sense, the present study showed that the sub-optimal Sorafenib concentration (10 nM) was associated with activation of caspase-9, AMP-activated protein kinase (AMPK), sustained autophagy, peroxisome proliferator-activated receptor-coactivator 1α (PGC-1α) and mitochondrial function in HepG2 cells. The increased mitochondrial respiration by Sorafenib (10 nM) was also observed in permeabilized HepG2 cells, but not in isolated rat mitochondria, which suggests the involvement of an upstream component in this regulatory mechanism. The basal glycolysis was dose dependently increased at early time point studied (6 h). Interestingly, Sorafenib increased nitric oxide (NO) generation that played an inhibitory role in mitochondrial respiration in sub-therapeutic dose of Sorafenib. The administration of sustained therapeutic dose of Sorafenib (10 µM, 24 h) induced mitochondrial dysfunction and dropped basal glycolysis derived acidification, as well as increased oxidative stress and apoptosis in HepG2. In conclusion, the accurate control of the administered dose of Sorafenib is relevant for the potential prosurvival or proapoptotic properties induced by the drug in liver cancer cells.
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Affiliation(s)
- María A Rodríguez-Hernández
- Institute of Biomedicine of Seville (IBIS), IBiS/Hospital University "Virgen del Rocío"/CSIC/University of Seville, Seville, Spain; CENTRO DE INVESTIGACIÓN BIOMÉDICA EN RED de Enfermedades Hepáticas y Digestivas (CIBERehd), Spain
| | - Patricia de la Cruz-Ojeda
- Institute of Biomedicine of Seville (IBIS), IBiS/Hospital University "Virgen del Rocío"/CSIC/University of Seville, Seville, Spain
| | - Paloma Gallego
- Institute of Biomedicine of Seville (IBIS), IBiS/Hospital University "Virgen del Rocío"/CSIC/University of Seville, Seville, Spain
| | - Elena Navarro-Villarán
- Institute of Biomedicine of Seville (IBIS), IBiS/Hospital University "Virgen del Rocío"/CSIC/University of Seville, Seville, Spain; CENTRO DE INVESTIGACIÓN BIOMÉDICA EN RED de Enfermedades Hepáticas y Digestivas (CIBERehd), Spain
| | - Pavla Staňková
- Department of Physiology, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic; COST-European Cooperation in Science & Technology, Mitoeagle Action number: CA15203, Brussels, Belgium
| | - José A Del Campo
- Institute of Biomedicine of Seville (IBIS), IBiS/Hospital University "Virgen del Rocío"/CSIC/University of Seville, Seville, Spain; CENTRO DE INVESTIGACIÓN BIOMÉDICA EN RED de Enfermedades Hepáticas y Digestivas (CIBERehd), Spain
| | - Otto Kučera
- Department of Physiology, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic; COST-European Cooperation in Science & Technology, Mitoeagle Action number: CA15203, Brussels, Belgium
| | - Moustafa Elkalaf
- Department of Physiology, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic
| | - Tumisang E Maseko
- Department of Physiology, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic
| | - Zuzana Červinková
- Department of Physiology, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic; COST-European Cooperation in Science & Technology, Mitoeagle Action number: CA15203, Brussels, Belgium
| | - Jordi Muntané
- Institute of Biomedicine of Seville (IBIS), IBiS/Hospital University "Virgen del Rocío"/CSIC/University of Seville, Seville, Spain; CENTRO DE INVESTIGACIÓN BIOMÉDICA EN RED de Enfermedades Hepáticas y Digestivas (CIBERehd), Spain; COST-European Cooperation in Science & Technology, Mitoeagle Action number: CA15203, Brussels, Belgium; Department of General Surgery, "Virgen del Rocío" University Hospital/IBiS/CSIC/University of Seville, Seville, Spain.
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259
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Wang J, Dong Y, Li Q. Neferine induces mitochondrial dysfunction to exert anti-proliferative and anti-invasive activities on retinoblastoma. Exp Biol Med (Maywood) 2020; 245:1385-1394. [PMID: 32460625 DOI: 10.1177/1535370220928933] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Retinoblastoma is common primary intraocular malignancy of infants and childhood. Neferine is a major bisbenzylisoquinoline alkaloid derived from the lotus plumule in Nelumbo nucifera. This study evaluated the mitigation role of Neferine on retinoblastoma in vitro and in vivo. Xenotransplantation model was established by injecting WERI-Rb-1 cells subcutaneously. Upon induction of retinoblastoma , mice were intraperitoneally injected with Neferine (0, 0.5, 1, 2 mg/kg) or ethanol every 3 days for 30 days. Tumor weight and tumor volume were measured every three days and compared between four groups. Then, mice were sacrificed and immunohistochemical examination was performed to compare Ki67, VEGF content between groups. WERI-Rb-1 cells were used for in vitro experiments and the anti-angiogenic role of Neferine was assessed by analyzing nodes/HPF number. In WERI-Rb-1 xenotransplantation model, compared with control group, 1 mg/kg Neferine treatment significantly inhibited tumor weight (0.39 ± 0.04 g vs. 0.25 ± 0.03 g, P< 0.05) and tumor volume (2163 ± 165 mm3 vs. 1276 ± 108 mm3, P< 0.05) after 30 days. Compared with ethanol-injected mice, 2 μM Neferine treatment significantly enhanced apoptosis rate (2.1 ± 0.6% vs. 14.6 ± 2.6%, P< 0.05), accompany downregulation of Ki67 (0.09 ± 0.02% vs. 0.01 ± 0.004%, P< 0.05) and VEGF (0.28 ± 0.04% vs. 0.05 ± 0.03%, P< 0.05) expression. Additionally, 2 μM Neferine treatment significantly decreased JC-1 red/green percentage. High-dose Neferine could decrease retinoblastoma angiogenesis in association with a significant inhibition on tumor growth and invasion. These findings suggested that Neferine could be a new treatment or adjuvant against retinoblastoma.
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Affiliation(s)
- Jing Wang
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Yanmin Dong
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Qiuming Li
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
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260
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Valosin-Containing Protein, a Calcium-Associated ATPase Protein, in Endoplasmic Reticulum and Mitochondrial Function and Its Implications for Diseases. Int J Mol Sci 2020; 21:ijms21113842. [PMID: 32481679 PMCID: PMC7312078 DOI: 10.3390/ijms21113842] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 05/26/2020] [Accepted: 05/26/2020] [Indexed: 12/13/2022] Open
Abstract
Endoplasmic reticulum (ER) and mitochondrion are the key organelles in mammal cells and play crucial roles in a variety of biological functions in both physiological and pathological conditions. Valosin-containing protein (VCP), a newly identified calcium-associated ATPase protein, has been found to be involved in both ER and mitochondrial function. Impairment of VCP, caused by structural mutations or alterations of expressions, contributes to the development of various diseases, through an integrating effect on ER, mitochondria and the ubiquitin–proteasome system, by interfering with protein degradation, subcellular translocation and calcium homeostasis. Thus, understanding the role and the molecular mechanisms of VCP in these organelles brings new insights to the pathogenesis of the associated diseases, and leads to the discovery of new therapeutic strategies. In this review, we summarized the progress of studies on VCP, in terms of its regulation of ER and mitochondrial function and its implications for the associated diseases, focusing on the cancers, heart disease, and neurodegenerative disorders.
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261
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Utilizing Melatonin to Alleviate Side Effects of Chemotherapy: A Potentially Good Partner for Treating Cancer with Ageing. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6841581. [PMID: 32566095 PMCID: PMC7260648 DOI: 10.1155/2020/6841581] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/14/2019] [Accepted: 05/27/2019] [Indexed: 02/07/2023]
Abstract
Persistent senescence seems to exert detrimental effects fostering ageing and age-related disorders, such as cancer. Chemotherapy is one of the most valuable treatments for cancer, but its clinical application is limited due to adverse side effects. Melatonin is a potent antioxidant and antiageing molecule, is nontoxic, and enhances the efficacy and reduces the side effects of chemotherapy. In this review, we first summarize the mitochondrial protective role of melatonin in the context of chemotherapeutic drug-induced toxicity. Thereafter, we tabulate the protective actions of melatonin against ageing and the harmful roles induced by chemotherapy and chemotherapeutic agents, including anthracyclines, alkylating agents, platinum, antimetabolites, mitotic inhibitors, and molecular-targeted agents. Finally, we discuss several novel directions for future research in this area. The information compiled in this review will provide a comprehensive reference for the protective activities of melatonin in the context of chemotherapy drug-induced toxicity and will contribute to the design of future studies and increase the potential of melatonin as a therapeutic agent.
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262
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Omidian K, Rafiei H, Bandy B. Increased mitochondrial content and function by resveratrol and select flavonoids protects against benzo[a]pyrene-induced bioenergetic dysfunction and ROS generation in a cell model of neoplastic transformation. Free Radic Biol Med 2020; 152:767-775. [PMID: 31972341 DOI: 10.1016/j.freeradbiomed.2020.01.021] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 01/07/2020] [Accepted: 01/17/2020] [Indexed: 12/14/2022]
Abstract
Dietary polyphenols act in cancer prevention and may inhibit carcinogenesis. A possible mitochondrial mechanism for carcinogen-induced neoplastic transformation and chemoprevention by polyphenols, however, is largely unexplored. Using the Bhas 42 cell model of carcinogen-induced neoplastic transformation, we investigated benzo[a]pyrene (B[a]P) along with different polyphenols for their effects on mitochondrial content and function, and on mitochondrial and intracellular ROS generation. Bhas 42 cells were either co-treated with 5 μM polyphenol starting 2 h before exposure to 4 μM B[a]P for 24 or 72 h, or pre-treated with polyphenol for 24 h and removed prior to B[a]P exposure. Exposure to B[a]P decreased mitochondrial content (by 46% after 24 h and 30% after 72 h), decreased mitochondrial membrane potential and cellular ATP, and increased generation of mitochondrial superoxide and intracellular ROS. Polyphenol co-treatments protected against the decreased mitochondrial content, with resveratrol being the most effective (increasing the mitochondrial content after 72 h by 75%). Measurements after 24 h of mRNA for mitochondria-related proteins and of SIRT1 enzyme activity suggested an involvement of increased mitochondrial biogenesis in the polyphenol effects. The polyphenol co-treatments also ameliorated B[a]P-induced deficits in mitochondrial function (most strongly resveratrol), and increases in generation of mitochondrial superoxide and intracellular ROS. Notably, 24 h pre-treatments with polyphenols strongly suppressed subsequent B[a]P-induced increases, after 24 and 72 h, in mitochondrial superoxide and intracellular ROS generation, with resveratrol being the most effective. In conclusion, the results support a mechanism for B[a]P carcinogenesis involving impaired mitochondrial function and increased mitochondria-derived ROS, that can be ameliorated by dietary polyphenols. The evidence supports an increase in mitochondrial biogenesis behind the strong chemoprevention by resveratrol, and a mitochondrial antioxidant effect in chemoprevention by quercetin.
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Affiliation(s)
- Kosar Omidian
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, S7N 5E5, Canada.
| | - Hossein Rafiei
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, S7N 5E5, Canada.
| | - Brian Bandy
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, S7N 5E5, Canada.
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García-Puga M, Saenz-Antoñanzas A, Fernández-Torrón R, Munain ALD, Matheu A. Myotonic Dystrophy type 1 cells display impaired metabolism and mitochondrial dysfunction that are reversed by metformin. Aging (Albany NY) 2020; 12:6260-6275. [PMID: 32310829 PMCID: PMC7185118 DOI: 10.18632/aging.103022] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 03/03/2020] [Indexed: 12/26/2022]
Abstract
Myotonic dystrophy type 1 (DM1; MIM #160900) is an autosomal dominant disorder, clinically characterized by progressive muscular weakness and multisystem degeneration. The broad phenotypes observed in patients with DM1 resemble the appearance of a multisystem accelerated aging process. However, the molecular mechanisms underlying these phenotypes remain largely unknown. In this study, we characterized the impact of metabolism and mitochondria on fibroblasts and peripheral blood mononuclear cells (PBMCs) derived from patients with DM1 and healthy individuals. Our results revealed a decrease in oxidative phosphorylation system (OXPHOS) activity, oxygen consumption rate (OCR), ATP production, energy metabolism, and mitochondrial dynamics in DM1 fibroblasts, as well as increased accumulation of reactive oxygen species (ROS). PBMCs of DM1 patients also displayed reduced mitochondrial dynamics and energy metabolism. Moreover, treatment with metformin reversed the metabolic and mitochondrial defects as well as additional accelerated aging phenotypes, such as impaired proliferation, in DM1-derived fibroblasts. Our results identify impaired cell metabolism and mitochondrial dysfunction as important drivers of DM1 pathophysiology and, therefore, reveal the efficacy of metformin treatment in a pre-clinical setting.
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Affiliation(s)
- Mikel García-Puga
- Neuroscience Area, Biodonostia Health Research Institute, San Sebastian, Spain.,Cellular Oncology Group, Biodonostia Health Research Institute, San Sebastian, Spain
| | | | - Roberto Fernández-Torrón
- Neuroscience Area, Biodonostia Health Research Institute, San Sebastian, Spain.,Neurology Department, Donostia University Hospital, OSAKIDETZA, San Sebastian, Spain.,CIBERNED, Carlos III Institute, Madrid, Spain
| | - Adolfo Lopez de Munain
- Neuroscience Area, Biodonostia Health Research Institute, San Sebastian, Spain.,Neurology Department, Donostia University Hospital, OSAKIDETZA, San Sebastian, Spain.,CIBERNED, Carlos III Institute, Madrid, Spain.,Faculty of Medicine and Nursery, Department of Neurosciences, University of the Basque Country, San Sebastian, Spain
| | - Ander Matheu
- Cellular Oncology Group, Biodonostia Health Research Institute, San Sebastian, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Spain.,CIBERfes, Carlos III Institute, Madrid, Spain
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264
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Xia SR, Wen XY, Fan XL, Chen XR, Wei ZW, Li QH, Sun L. Wnt2 overexpression protects against PINK1 mutant‑induced mitochondrial dysfunction and oxidative stress. Mol Med Rep 2020; 21:2633-2641. [PMID: 32323790 DOI: 10.3892/mmr.2020.11066] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 03/12/2020] [Indexed: 11/06/2022] Open
Abstract
The PTEN induced putative kinase 1 (PINK1) mutation is the second most common cause of autosomal recessive adolescent Parkinson's disease (PD). Furthermore, mitochondrial disorders and oxidative stress are important mechanisms in the pathogenesis of PD. Numerous members of the Wnt family have been found to be associated with neurodegenerative diseases. Therefore, the present study investigated the role of the Wnt2 gene in PINK1B9 transgenic flies, which is a PD model, and its underlying mechanism. It was identified that overexpression of Wnt2 reduced the abnormality rate of PD transgenic Drosophila and improved their flight ability, while other intervention groups had no significant effect. Furthermore, an increase in ATP concentration normalized mitochondrial morphology, and increased the mRNA expression levels of NADH‑ubiquinone oxidoreductase chain 1 (ND1), ND42, ND75, succinate dehydrogenase complex subunits B, Cytochrome b and Cyclooxygenase 1, which are associated with Wnt2 overexpression. Moreover, overexpression of Wnt2 in PD transgenic Drosophila resulted in the downregulation of reactive oxygen species and malondialdehyde production, and increased manganese superoxide dismutase (MnSOD), while glutathione was not significantly affected. It was found that overexpression of Wnt2 did not alter the protein expression of β‑catenin in PINK1B9 transgenic Drosophila, but did increase the expression levels of PPARG coactivator 1α (PGC‑1α) and forkhead box sub‑group O (FOXO). Collectively, the present results indicated that the Wnt2 gene may have a protective effect on PD PINK1B9 transgenic Drosophila. Thus, it was speculated that the reduction of oxidative stress and the restoration of mitochondrial function via Wnt2 overexpression may be related to the PGC‑1α/FOXO/MnSOD signaling pathway in PINK1 mutant transgenic Drosophila.
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Affiliation(s)
- Sui-Rui Xia
- Department of Hospital Infection‑Control, Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, Guangxi 541002, P.R. China
| | - Xue-Yi Wen
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, Guangxi 541004, P.R. China
| | - Xiao-Li Fan
- Faculty of Basic Medical Sciences, Guilin Medical University, Guilin, Guangxi 541004, P.R. China
| | - Xiao-Rong Chen
- Faculty of Basic Medical Sciences, Guilin Medical University, Guilin, Guangxi 541004, P.R. China
| | - Zai-Wa Wei
- Faculty of Basic Medical Sciences, Guilin Medical University, Guilin, Guangxi 541004, P.R. China
| | - Qing-Hua Li
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, Guangxi 541004, P.R. China
| | - Li Sun
- Faculty of Basic Medical Sciences, Guilin Medical University, Guilin, Guangxi 541004, P.R. China
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265
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Moldogazieva NT, Mokhosoev IM, Terentiev AA. Metabolic Heterogeneity of Cancer Cells: An Interplay between HIF-1, GLUTs, and AMPK. Cancers (Basel) 2020; 12:E862. [PMID: 32252351 PMCID: PMC7226606 DOI: 10.3390/cancers12040862] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 02/06/2023] Open
Abstract
It has been long recognized that cancer cells reprogram their metabolism under hypoxia conditions due to a shift from oxidative phosphorylation (OXPHOS) to glycolysis in order to meet elevated requirements in energy and nutrients for proliferation, migration, and survival. However, data accumulated over recent years has increasingly provided evidence that cancer cells can revert from glycolysis to OXPHOS and maintain both reprogrammed and oxidative metabolism, even in the same tumor. This phenomenon, denoted as cancer cell metabolic plasticity or hybrid metabolism, depends on a tumor micro-environment that is highly heterogeneous and influenced by an intensity of vasculature and blood flow, oxygen concentration, and nutrient and energy supply, and requires regulatory interplay between multiple oncogenes, transcription factors, growth factors, and reactive oxygen species (ROS), among others. Hypoxia-inducible factor-1 (HIF-1) and AMP-activated protein kinase (AMPK) represent key modulators of a switch between reprogrammed and oxidative metabolism. The present review focuses on cross-talks between HIF-1, glucose transporters (GLUTs), and AMPK with other regulatory proteins including oncogenes such as c-Myc, p53, and KRAS; growth factor-initiated protein kinase B (PKB)/Akt, phosphatydyl-3-kinase (PI3K), and mTOR signaling pathways; and tumor suppressors such as liver kinase B1 (LKB1) and TSC1 in controlling cancer cell metabolism. The multiple switches between metabolic pathways can underlie chemo-resistance to conventional anti-cancer therapy and should be taken into account in choosing molecular targets to discover novel anti-cancer drugs.
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Affiliation(s)
- Nurbubu T. Moldogazieva
- Laboratory of Bioinformatics, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Innokenty M. Mokhosoev
- Department of Biochemistry and Molecular Biology, N.I. Pirogov Russian National Research Medical University, 117997 Moscow, Russia; (I.M.M.); (A.A.T.)
| | - Alexander A. Terentiev
- Department of Biochemistry and Molecular Biology, N.I. Pirogov Russian National Research Medical University, 117997 Moscow, Russia; (I.M.M.); (A.A.T.)
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266
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Liu YC, Wang HL, Huang YZ, Weng YH, Chen RS, Tsai WC, Yeh TH, Lu CS, Chen YL, Lin YW, Chen YJ, Hsu CC, Chiu CH, Chiu CC. Alda-1, an activator of ALDH2, ameliorates Achilles tendinopathy in cellular and mouse models. Biochem Pharmacol 2020; 175:113919. [PMID: 32194057 DOI: 10.1016/j.bcp.2020.113919] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 03/13/2020] [Indexed: 12/15/2022]
Abstract
Achilles tendinopathy has a high re-injury rate and poor prognosis. Development of effective therapy for Achilles tendinopathy is important. Excessive accumulation of ROS and resulting oxidative stress are believed to cause tendinopathy. Overproduction of hydrogen peroxide (H2O2), the most common ROS, could lead to the tendinopathy by causing oxidative damage, activation of endoplasmic reticulum (ER) stress and apoptotic death of tenocytes. Activation of mitochondrial aldehyde dehydrogenase 2 (ALDH2) is expected to alleviate oxidative stress and ER stress. Alda-1 is a selective and potent activator of ALDH2. In this study, we examined the cytoprotective benefit of Alda-1, an activator of ALDH2, on H2O2-induced Achilles tendinopathy in cellular and mouse models. We prepared cellular and mouse models of Achilles tendinopathy by treating cultured Achilles tenocytes and Achilles tendons with oxidative stressor H2O2. Subsequently, we studied the protective benefit of Alda-1 on H2O2-induced Achilles tendinopathy. Alda-1 pretreatment attenuated H2O2-induced cell death of cultured Achilles tenocytes. Treatment of Alda-1 prevented H2O2-induced oxidative stress and depolarization of mitochondrial membrane potential in tenocytes. Application of Alda-1 attenuated H2O2-triggered mitochondria- and ER stress-mediated apoptotic cascades in cultured tenocytes. Alda-1 treatment ameliorated the severity of H2O2-induced Achilles tendinopathy in vivo by preventing H2O2-induced pathological histological features of Achilles tendons, apoptotic death of Achilles tenocytes and upregulated expression of inflammatory cytokines IL-1β and TNF-α. Our results provide the evidence that ALDH2 activator Alda-1 ameliorates H2O2-induced Achilles tendinopathy. Alda-1 could be used for preventing and treating Achilles tendinopathy.
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Affiliation(s)
- Yu-Chuan Liu
- Landseed Sports Medicine Center, Landseed International Hospital, Taoyuan, Taiwan
| | - Hung-Li Wang
- Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Healthy Aging Research Center, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Ying-Zu Huang
- Healthy Aging Research Center, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan; Institute of Cognitive Neuroscience, National Central University, Taoyuan, Taiwan
| | - Yi-Hsin Weng
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Rou-Shayn Chen
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wen-Chung Tsai
- College of Medicine, Chang Gung University, Taoyuan, Taiwan; Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Tu-Hsueh Yeh
- Department of Neurology, Taipei Medical University Hospital, Taiwan
| | - Chin-Song Lu
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Ying-Ling Chen
- Department of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Yan-Wei Lin
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Yu-Jie Chen
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Chia-Chen Hsu
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Chi-Han Chiu
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Ching-Chi Chiu
- Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Division of Movement Disorders, Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Department of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan.
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Synthesis and biological evaluation of new antioxidant and antiproliferative chalcogenobiotin derivatives for bladder carcinoma treatment. Bioorg Med Chem 2020; 28:115423. [PMID: 32205047 DOI: 10.1016/j.bmc.2020.115423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 02/24/2020] [Accepted: 03/09/2020] [Indexed: 11/21/2022]
Abstract
Approximately 90% of bladder carcinomas are of the urothelial carcinoma type, which are characterized by high rates of recurrence and predisposition to progress to invasive tumors, representing one of the most costly neoplasms for health systems. Intravesical chemotherapy is a standard for the treatment of non-invasive bladder cancer. However, chemotherapy is usually aggressive and cytotoxic, which increases the death rates caused by cancer. Heterocyclic compounds which exhibit favorable pharmacokinetic and pharmacodynamic properties may enhance drug affinity for a target protein by targeting the treatment. Thus, this work presents the synthesis, characterization, and in vitro biological evaluation of new antioxidant (inhibition of lipid peroxidation, scavenging of free radical DPPH, and thiol peroxidase-like activity) and antiproliferative chalcogenobiotin derivatives and tests them against bladder carcinoma 5637 cells. A prominent response was obtained for the selected compounds, with tellurium biotin derivatives displaying effective antioxidant and antiproliferative activity. The effective compounds also demonstrated no toxicity in in vitro or in vivo studies.
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268
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Mitchell T, De Miguel C, Gohar EY. Sex differences in redox homeostasis in renal disease. Redox Biol 2020; 31:101489. [PMID: 32197946 PMCID: PMC7212488 DOI: 10.1016/j.redox.2020.101489] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 02/20/2020] [Accepted: 03/01/2020] [Indexed: 02/08/2023] Open
Abstract
Sex differences in redox signaling in the kidney present new challenges and opportunities for understanding the physiology and pathophysiology of the kidney. This review will focus on reactive oxygen species, immune-related signaling pathways and endothelin-1 as potential mediators of sex-differences in redox homeostasis in the kidney. Additionally, this review will highlight male-female differences in redox signaling in several major cardiovascular and renal disorders namely acute kidney injury, diabetic nephropathy, kidney stone disease and salt-sensitive hypertension. Furthermore, we will discuss the contribution of redox signaling in the pathogenesis of postmenopausal hypertension and preeclampsia.
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Affiliation(s)
- Tanecia Mitchell
- Department of Urology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Carmen De Miguel
- Section of Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Eman Y Gohar
- Section of Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA.
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Belenguer-Varea Á, Tarazona-Santabalbina FJ, Avellana-Zaragoza JA, Martínez-Reig M, Mas-Bargues C, Inglés M. Oxidative stress and exceptional human longevity: Systematic review. Free Radic Biol Med 2020; 149:51-63. [PMID: 31550529 DOI: 10.1016/j.freeradbiomed.2019.09.019] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 09/03/2019] [Accepted: 09/20/2019] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Oxidative stress (OS) has been previously linked to the aging process, as have some diseases and geriatric syndromes as frailty and sarcopenia. The aim of the present study was to perform a systematic review on oxidative stress activity and extreme longevity in humans. METHODS We conducted a systematic literature review following the PRISMA guidelines. Observational studies assessing OS-biomarkers and/or antioxidants in long-lived individuals (97 years old or over) comparing them to those of one or more age groups, (at least one of which from comprising elderly subjects) were considered for inclusion. A narrative synthesis was planned. Quality of selected studies was assessed using the Newcastle-Ottawa quality assessment scale (NOS). RESULTS After screening and eligibility phases, 12 articles were finally selected, with 646 long-lived participants and 1052 controls, 447 adults (20-60 years old) and 605 elderly individuals (over 60 years old). The average score on NOS scale of studies was 4,8 out of 9. Centenarians showed significantly less (p<0,05) oxidative damage to lipids in different samples, lower levels of oxidized proteins in plasma and lower superoxide anion levels in neutrophils than elderly groups. Centenarian presented significantly lower superoxide dismutase and higher glutathione reductase activities, higher levels of vitamins A and E, lower of coenzyme Q10, and lower susceptibility to lipid peroxidation than elderly controls. CONCLUSION Based on studies of medium-low quality, available evidence suggests that long-lived individuals display less oxidative damage, particularly lower plasma lipid peroxidation biomarkers, than controls. More studies with better experimental designs are needed.
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Affiliation(s)
- Ángel Belenguer-Varea
- Division of Geriatrics, Hospital Universitario de La Ribera (Alzira, Valencia, Spain), School of Doctorate, Universidad Católica de Valencia, San Vicente Martir, Valencia, Spain.
| | - Francisco José Tarazona-Santabalbina
- Division of Geriatrics, Hospital Universitario de La Ribera (Alzira, Valencia, Spain), School of Doctorate, Universidad Católica de Valencia, San Vicente Martir, CIBERFES, Valencia, Spain
| | - Juan Antonio Avellana-Zaragoza
- Division of Geriatrics, Hospital Universitario de La Ribera (Alzira, Valencia, Spain), School of Doctorate, Universidad Católica de Valencia, San Vicente Martir, Valencia, Spain
| | - Marta Martínez-Reig
- Division of Geriatrics, Hospital Universitario de La Ribera, Alzira, Valencia, Spain
| | - Cristina Mas-Bargues
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, CIBERFES-ISCIII, INCLIVA, Valencia, Spain
| | - Marta Inglés
- Freshage Research Group, Department of Physiotherapy, Faculty of Physiotherapy, University of Valencia, CIBERFES-ISCIII, INCLIVA, Valencia, Spain
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Shen X, Dong X, Han Y, Li Y, Ding S, Zhang H, Sun Z, Yin Y, Li W, Li W. Ginsenoside Rg1 ameliorates glomerular fibrosis during kidney aging by inhibiting NOX4 and NLRP3 inflammasome activation in SAMP8 mice. Int Immunopharmacol 2020; 82:106339. [PMID: 32114413 DOI: 10.1016/j.intimp.2020.106339] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 02/19/2020] [Accepted: 02/21/2020] [Indexed: 01/08/2023]
Abstract
Aging is closely related to the progress of renal fibrosis, which eventually results in renal dysfunction. Ginsenoside Rg1 (Rg1) has been reported to have an extensive anti-aging effect. However, the role and mechanism of Rg1 in aging-related renal fibrosis remain unclear. The present study aimed to evaluate the protective effect and mechanism of Rg1 in renal fibrosis during kidney aging in a model of SAMP8 mice. Taking SAMR1 mice as the control group, SAMP8 mice were administered Apocynin (50 mg/kg), Tempol (50 mg/kg), or Rg1 (5, 10 mg/kg) intragastrically for 9 weeks as treatment groups. The results showed that the elevated levels of blood urea nitrogen, serum creatinine and senescence-associated β-galactosidase (β-Gal) were markedly decreased, the glomerular mesangial proliferation was significantly alleviated and the increased levels of collagen IV and TGF-β1 were significantly downregulated by Rg1 in SAMP8 mice. In addition, the generation of ROS and the expression of NADHP oxidase 4 (NOX4) in the renal cortex were significantly reduced by Rg1 treatment. The expression levels of NLRP3 inflammasome-related proteins and the inflammation-related cytokine IL-1β were also inhibited by Rg1 treatment in the SAMP8 mice. These results suggested that Rg1 could delay kidney aging and inhibit aging-related glomerular fibrosis by reducing NOX4-derived ROS generation and downregulating NLRP3 inflammasome expression.
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Affiliation(s)
- Xiaoyan Shen
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China
| | - Xianan Dong
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China
| | - Yuli Han
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China
| | - Yan Li
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China
| | - Shixin Ding
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China
| | - Han Zhang
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China
| | - Zhenghao Sun
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China
| | - Yanyan Yin
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China
| | - Weiping Li
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China; Anqing Medical and Pharmaceutical College, Anqing 246052, Anhui, China.
| | - Weizu Li
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Department of Pharmacology, Basic Medicine College, Anhui Medical University, Hefei 230032, Anhui, China.
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Yang L, Ye F, Zeng L, Li Y, Chai W. Knockdown of HMGB1 Suppresses Hypoxia-Induced Mitochondrial Biogenesis in Pancreatic Cancer Cells. Onco Targets Ther 2020; 13:1187-1198. [PMID: 32103987 PMCID: PMC7025163 DOI: 10.2147/ott.s234530] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 01/29/2020] [Indexed: 12/28/2022] Open
Abstract
Purpose To explore the regulatory effect of HMGB1 upon hypoxia-induced mitochondrial biogenesis in pancreatic cancer PANC1/CFPAC1 cells. Methods After a down-regulation of HMGB1 expression by lentivirus-mediated RNAi, the effect of knocking down HMGB1 on hypoxia-induced mitochondrial biogenesis was examined. NRF-1/TFAM expression, mtDNA copy number, ATP content and mitochondrial number/morphology in hypoxia-treated pancreatic cancer cells were detected by quantitative reverse transcription-polymerase chain reaction (qRT-PCR), Western blot, mtDNA and ATP assay kits and electron microscopy, respectively. Cell proliferation was measured by MTS assay. And protein and acetylation levels of PGC-1α and SIRT1 activity were detected by Western blot, immunoprecipitation (IP) and SIRT1 activity kit. Results Hypoxia enhanced the expressions of NRF-1/TFAM, boosted mtDNA copy number and ATP content and increased the number of mitochondria in pancreatic cancer cells while induction was suppressed by a knockdown of HMGB1. Knocking down HMGB1 expression lowered hypoxia-induced PGC-1α/SIRT1 expression and activity, phosphorylation of AMPK. PGC-1α over-expression by a plasmid transfection failed to boost mtDNA copy number or ATP content in HMGB1-knockdown cells. A knockdown of HMGB1 attenuated hypoxia with AICAR (an AMPK activator)-induced expression of NRF-1, TFAM, PGC-1α, SIRT1 and the proteins of complexes Ⅰ& Ⅲ and reduced the acetylation level of PGC-1α/SIRT1 activity. Additionally, SRT1720 (a SIRT1 activator)-induced elevation in SIRT1 activity boosted hypoxia-induced PGC-1α deacetylation, except in HMGB1-knockdown cells. Conclusion As a novel regulator of mitochondrial biogenesis via AMPK/SIRT1 pathway under hypoxia, HMGB1 may become a potential drug target for therapeutic interventions in pancreatic cancer.
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Affiliation(s)
- Liangchun Yang
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China
| | - Fanghua Ye
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People's Republic of China
| | - Li Zeng
- Department of Nuclear Medicine, Hunan Cancer Hospital, Changsha, Hunan 410008, People's Republic of China
| | - Yanling Li
- Department of Nuclear Medicine, Hunan Cancer Hospital, Changsha, Hunan 410008, People's Republic of China
| | - Wenwen Chai
- Department of Nuclear Medicine, Hunan Cancer Hospital, Changsha, Hunan 410008, People's Republic of China
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Fiorani M, Guidarelli A, Cantoni O. Mitochondrial reactive oxygen species: the effects of mitochondrial ascorbic acid vs untargeted and mitochondria-targeted antioxidants. Int J Radiat Biol 2020; 97:1055-1062. [PMID: 31976796 DOI: 10.1080/09553002.2020.1721604] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 12/16/2019] [Accepted: 01/07/2020] [Indexed: 12/20/2022]
Abstract
PREMISE Mitochondria represent critical sites for reactive oxygen species (ROS) production, which dependent on concentration is responsible for the regulation of both physiological and pathological processes. PURPOSE Antioxidants in mitochondria regulate the redox balance, prevent mitochondrial damage and dysfunction and maintain a physiological ROS-dependent signaling. The aim of the present review is to provide critical elements for addressing this issue in the context of various pharmacological approaches using antioxidants targeted or non-targeted to mitochondria. Furthermore, this review focuses on the mitochondrial antioxidant effects of ascorbic acid (AA), providing clues on the complexities associated with the cellular uptake and subcellular distribution of the vitamin. CONCLUSIONS Antioxidants that are not specifically targeted to mitochondria fail to accumulate in significant amounts in critical sites of mitochondrial ROS production and may eventually interfere with the ensuing physiological signaling. Mitochondria-targeted antioxidants are more effective, but are expected to interfere with the mitochondrial ROS-dependent physiologic signaling. AA promotes multiple beneficial effects in mitochondria. The complex regulation of vitamin C uptake in these organelles likely contributes to its versatile antioxidant response, thereby providing a central role to the vitamin for adequate control of mitochondrial dysfunction associated with increased mitochondrial ROS production.
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Affiliation(s)
- Mara Fiorani
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Andrea Guidarelli
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Orazio Cantoni
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
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273
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Lorke M, Willen M, Lucas K, Schille JT, Lüder Ripoli F, Willenbrock S, Beyerbach M, Wefstaedt P, Murua Escobar H, Nolte I. Effect of antioxidants, mitochondrial cofactors and omega-3 fatty acids on telomere length and kinematic joint mobility in young and old shepherd dogs - A randomized, blinded and placebo-controlled study. Res Vet Sci 2020; 129:137-153. [PMID: 32000015 DOI: 10.1016/j.rvsc.2020.01.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 11/23/2019] [Accepted: 01/08/2020] [Indexed: 12/18/2022]
Abstract
In dogs, decreasing telomere length is a biomarker for cellular aging. On a systemic level, aging affects the locomotor system in particular, leading to restricted joint mobility. As aging is thought to be related to oxidative stress, it may be counteracted by a diet enriched with antioxidants, mitochondrial cofactors and omega-3 fatty acids. This randomized, blinded and placebo-controlled study examined the influence of an accordingly enriched diet compared to a control diet on 36 young and 38 old shepherd dogs. At the outset, after 3 and after 6 months, mean and minimum telomere lengths were measured. Furthermore, minimum and maximum joint angles and range of motion of the shoulder, elbow, carpal, hip, stifle and tarsal joints were measured by computer-assisted gait analysis. A positive influence of the enriched diet on old dogs could be verified for minimum telomere length and all three parameters of the shoulder joint on the side with the higher vertical ground reaction force after 6 months. In the other joints there were less significant differences; in some cases they indicated a contrary influence of the enriched diet on young dogs, probably due to its reduced protein content. The greater effect of the enriched diet on minimum than on mean telomere length may be due to the higher preference of telomerase for short telomeres. The greater effect on shoulder joint mobility is explained by the greater influence of musculature and connective tissue in this joint. For elderly dogs it is advisable to feed these nutritional supplements.
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Affiliation(s)
- Malin Lorke
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany
| | - Maray Willen
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany
| | - Karin Lucas
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany
| | - Jan Torben Schille
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany
| | - Florenza Lüder Ripoli
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany; Division of Medicine Clinic III, Hematology, Oncology and Palliative Medicine, University of Rostock, D-18057 Rostock, Germany
| | - Saskia Willenbrock
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany
| | - Martin Beyerbach
- Institute for Biometry, Epidemiology and Information Processing, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany
| | - Patrick Wefstaedt
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany
| | - Hugo Murua Escobar
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany; Division of Medicine Clinic III, Hematology, Oncology and Palliative Medicine, University of Rostock, D-18057 Rostock, Germany
| | - Ingo Nolte
- Small Animal Clinic, University of Veterinary Medicine Hannover, Foundation, D-30559 Hannover, Germany.
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274
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Fernandes MSDS, Silva LDLDSE, Kubrusly MS, Lima TRLDA, Muller CR, Américo ALV, Fernandes MP, Cogliati B, Stefano JT, Lagranha CJ, Evangelista FS, Oliveira CP. Aerobic Exercise Training Exerts Beneficial Effects Upon Oxidative Metabolism and Non-Enzymatic Antioxidant Defense in the Liver of Leptin Deficiency Mice. Front Endocrinol (Lausanne) 2020; 11:588502. [PMID: 33329394 PMCID: PMC7732625 DOI: 10.3389/fendo.2020.588502] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 10/22/2020] [Indexed: 12/11/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the most common forms of liver disease, which is associated with several etiological factors, including stress and dysfunction in oxidative metabolism. However, studies showed that aerobic exercise training (AET) can combat the oxidative stress (OS) and improves mitochondrial functionality in the NAFLD. To test the hypothesis that AET improves oxidative metabolism and antioxidant defense in the liver of ob/ob mice. Male ob/ob mice with eight weeks old were separated into two groups: the sedentary group (S), n=7, and the trained group (T), n=7. The T mice were submitted to an 8-week protocol of AET at 60% of the maximum velocity achieved in the running capacity test. Before AET, no difference was observed in running test between the groups (S=10.4 ± 0.7 min vs. T= 13 ± 0.47 min). However, after AET, the running capacity was increased in the T group (12.8 ± 0.87 min) compared to the S group (7.2 ± 0.63 min). In skeletal muscle, the T group (26.91 ± 1.12 U/mg of protein) showed higher citrate synthase activity compared with the S group (19.28 ± 0.88 U/mg of protein) (p =0.006). In the analysis of BW evolution, significant reductions were seen in the T group as of the fourth week when compared to the S group. In addition, food intake was not significant different between the groups. Significant increases were observed in the activity of enzymes citrate synthase (p=0.004) and β-HAD (p=0.01) as well as in PGC-1α gene expression (p=0.002) in the liver of T group. The levels of TBARs and carbonyls, as well as SOD, CAT and GST were not different between the groups. However, in the nonenzymatic antioxidant system, we found that the T group had higher sulfhydryl (p = 0.02), GSH (p=0.001) and GSH/GSSG (p=0.02) activity. In conclusion, the AET improved body weight evolution and the aerobic capacity, increased the response of oxidative metabolism markers in the liver such as PGC-1α gene expression and citrate synthase and β-HAD enzyme activities in ob/ob mice. In addition, AET improved the non-enzymatic antioxidant defense and did not change the enzymatic defense.
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Affiliation(s)
- Matheus Santos de Sousa Fernandes
- Laboratório de Gastroenterologia Clínica e Experimental LIM-07, Division of Clinical Gastroenterology and Hepatology, Hospital das Clínicas HCFMUSP, Department of Gastroenterology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Lucas de Lucena de Simões e Silva
- Laboratório de Gastroenterologia Clínica e Experimental LIM-07, Division of Clinical Gastroenterology and Hepatology, Hospital das Clínicas HCFMUSP, Department of Gastroenterology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Márcia Saldanha Kubrusly
- Laboratório de Transplante e Cirurgia do Fígado (LIM-37), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | | | - Cynthia Rodrigues Muller
- Department of Experimental Pathophysiology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Anna Laura Viacava Américo
- Department of Experimental Pathophysiology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | | | - Bruno Cogliati
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - José Tadeu Stefano
- Laboratório de Gastroenterologia Clínica e Experimental LIM-07, Division of Clinical Gastroenterology and Hepatology, Hospital das Clínicas HCFMUSP, Department of Gastroenterology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | | | | | - Claudia P. Oliveira
- Laboratório de Gastroenterologia Clínica e Experimental LIM-07, Division of Clinical Gastroenterology and Hepatology, Hospital das Clínicas HCFMUSP, Department of Gastroenterology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- *Correspondence: Claudia P. Oliveira,
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275
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Wang S, Wang Q, Wang H, Qin C, Cui X, Li L, Liu Y, Chang H. Induction of ROS and DNA damage-dependent senescence by icaritin contributes to its antitumor activity in hepatocellular carcinoma cells. PHARMACEUTICAL BIOLOGY 2019; 57:424-431. [PMID: 31407933 PMCID: PMC8871611 DOI: 10.1080/13880209.2019.1628073] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 04/06/2019] [Accepted: 05/21/2019] [Indexed: 05/30/2023]
Abstract
Context: Icaritin (ICT), a prenylflavonoid derivative extracted from the Epimedium (Berberidaceae) genus, has been identified to exhibit antitumor effect in hepatocellular carcinoma (HCC) cells by inducing apoptosis. However, its effect on cellular senescence has not been elucidated. Objective: To investigate the mechanism for low concentrations of ICT exerting antitumor activity through induction of cellular senescence. Materials and methods: Human HepG2 and Huh7 cells were treated with low concentrations of ICT (1 and 2 μM) once per day for a week. Cellular senescence was evaluated through cell viability and senescence-associated-β-galactosidase activity. Cell cycle distribution and ROS levels were measured with flow cytometry. Gene expression was detected using qRT-PCR and western blotting. Fluorescent punctuates formation of γH2AX was analyzed by immunofluorescence. Results: ICT (1 and 2 μM) promoted cellular senescence in HepG2 and Huh7 cells, as observed by enlarged and flattened morphology and increased senescence-associated-β-galactosidase activity (∼7-8-fold and ∼11-12-fold of vehicle controls, respectively), accompanied by significant cell cycle arrest and decrease in DNA synthesis. Mechanistically, ICT-induced senescence occurred through accumulation of ROS (∼1.3-fold and ∼1.8-fold of vehicle controls in response to 1 and 2 μM ICT, respectively), which further resulted in DNA damage response, as evidenced by strong induction of γH2AX through immunofluorescence and western blotting assays. Pharmacological inhibition of ROS production with N-acetylcysteine attenuated ICT-induced γH2AX and senescence-associated-β-galactosidase activity (∼0.28-0.30-fold decrease, p < 0.05). Discussion and conclusions: Induction of cellular senescence by ICT defines a novel anticancer mechanism of ICT and provides a rationale for generalizing the study design to a broader study population to further developing ICT as a novel therapeutic agent for treatment of HCC.
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Affiliation(s)
- Shikang Wang
- Emergency Center, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Qian Wang
- Institute of Medical Sciences, The Second Hospital of Shandong University, Jinan, China
| | - Huijun Wang
- Department of Internal Medicine, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academy of Medical Sciences, Jinan, China
| | - Chengkun Qin
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Xianping Cui
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Lei Li
- Emergency Center, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Yongqing Liu
- Department of Clinical Pharmacy, The Second Hospital of Shandong University, Jinan, China
| | - Hong Chang
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
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276
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Zhao L, Chen X, Feng Y, Wang G, Nawaz I, Hu L, Liu P. COX7A1 suppresses the viability of human non-small cell lung cancer cells via regulating autophagy. Cancer Med 2019; 8:7762-7773. [PMID: 31663688 PMCID: PMC6912042 DOI: 10.1002/cam4.2659] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 10/02/2019] [Accepted: 10/15/2019] [Indexed: 12/12/2022] Open
Abstract
COX7A1 is a subunit of cytochrome c oxidase, and plays an important role in the super‐assembly that integrates peripherally into multi‐unit heteromeric complexes in the mitochondrial respiratory chain. In recent years, some researchers have identified that COX7A1 is implicated in human cancer cell metabolism and therapy. In this study, we mainly explored the effect of COX7A1 on the cell viability of lung cancer cells. COX7A1 overexpression was induced by vector transfection in NCI‐H838 cells. Cell proliferation, colony formation and cell apoptosis were evaluated in different groups. In addition, autophagy was analyzed by detecting the expression level of p62 and LC3, as well as the tandem mRFP‐GFP‐LC3 reporter assay respectively. Our results indicated that the overexpression of COX7A1 suppressed cell proliferation and colony formation ability, and promoted cell apoptosis in human non‐small cell lung cancer cells. Besides, the overexpression of COX7A1 blocked autophagic flux and resulted in the accumulation of autophagosome via downregulation of PGC‐1α and upregulation of NOX2. Further analysis showed that the effect of COX7A1 overexpression on cell viability was partly dependent of the inhibition of autophagy. Herein, we identified that COX7A1 holds a key position in regulating the development and progression of lung cancer by affecting autophagy. Although the crosstalk among COX7A1, PGC‐1α and NOX2 needs further investigation, our study provides a novel insight into the therapeutic action of COX7A1 against human non‐small cell lung cancer.
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Affiliation(s)
- Lei Zhao
- Department of Anesthesiology, The 2nd Clinical Medical College (Shenzhen People's Hospital) of Jinan University, The 1st Affiliated Hospitals of Southern University of Science and Technology, Shenzhen, China.,Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, China
| | - Xin Chen
- Department of Laboratory Medicine, The 2nd Clinical Medicine College (Shenzhen People's Hospital) of Jinan University, The 1st Affiliated Hospitals of Southern University of Science and Technology, Shenzhen, China
| | - Yetong Feng
- Department of Medicine, College of Medicine, University of Arizona, Tucson, AZ, USA
| | - Guangsuo Wang
- Department of Thoracic Surgery, The 2nd Clinical Medicine College (Shenzhen People's Hospital) of Jinan University, The 1st Affiliated Hospitals of Southern University of Science and Technology, Shenzhen, China
| | - Imran Nawaz
- Department of Thoracic Surgery, The 2nd Clinical Medicine College (Shenzhen People's Hospital) of Jinan University, The 1st Affiliated Hospitals of Southern University of Science and Technology, Shenzhen, China.,Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Lifu Hu
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Pengfei Liu
- Department of Anesthesiology, The 2nd Clinical Medical College (Shenzhen People's Hospital) of Jinan University, The 1st Affiliated Hospitals of Southern University of Science and Technology, Shenzhen, China.,Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, China
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277
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Partially Hydrolyzed Guar Gum Attenuates d-Galactose-Induced Oxidative Stress and Restores Gut Microbiota in Rats. Int J Mol Sci 2019; 20:ijms20194861. [PMID: 31574948 PMCID: PMC6801633 DOI: 10.3390/ijms20194861] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 09/19/2019] [Accepted: 09/25/2019] [Indexed: 12/12/2022] Open
Abstract
Partially hydrolyzed guar gum (PHGG) has received considerable attention for its various bioactive functions. The injection of d-galactose can cause aging-related injury which is usually resulted from oxidative stress on tissues and cells. In this study, d-galactose (200 mg/kg/day) was injected into rats, and the protective effects of PHGG (500, 1000, and 1500 mg/kg/day) against oxidative damages, as well as its probiotic functions, were analyzed. The results showed that PHGG treatment at a concentration of 1500 mg/kg/day greatly reduced the levels of lactic acid, nitric oxide, inducible nitric oxide synthase, advanced glycation end products, and increased the telomerase activity, by 7.60%, 9.25%, 12.28%, 14.58%, and 9.01%, respectively. Moreover, PHGG significantly elevated the activities of antioxidant enzymes and decreased the content of malondialdehyde in rat serum and brain. The oxidative damage was also significantly alleviated in the liver and hippocampus and the expressions of brain-derived neurotrophic factor and choline acetyltransferase also increased. Furthermore, PHGG treatment could significantly regulated the expression of sirtuin 1, forkhead box O1, and tumor protein p53 in the hippocampus. It also increased the levels of organic acids and improved the composition of intestinal microbiota. These findings demonstrated that PHGG treatment could effectively alleviate the oxidative damage and dysbacteriosis.
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278
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Ismail T, Kim Y, Lee H, Lee DS, Lee HS. Interplay Between Mitochondrial Peroxiredoxins and ROS in Cancer Development and Progression. Int J Mol Sci 2019; 20:ijms20184407. [PMID: 31500275 PMCID: PMC6770548 DOI: 10.3390/ijms20184407] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 12/14/2022] Open
Abstract
Mitochondria are multifunctional cellular organelles that are major producers of reactive oxygen species (ROS) in eukaryotes; to maintain the redox balance, they are supplemented with different ROS scavengers, including mitochondrial peroxiredoxins (Prdxs). Mitochondrial Prdxs have physiological and pathological significance and are associated with the initiation and progression of various cancer types. In this review, we have focused on signaling involving ROS and mitochondrial Prdxs that is associated with cancer development and progression. An upregulated expression of Prdx3 and Prdx5 has been reported in different cancer types, such as breast, ovarian, endometrial, and lung cancers, as well as in Hodgkin's lymphoma and hepatocellular carcinoma. The expression of Prdx3 and Prdx5 in different types of malignancies involves their association with different factors, such as transcription factors, micro RNAs, tumor suppressors, response elements, and oncogenic genes. The microenvironment of mitochondrial Prdxs plays an important role in cancer development, as cancerous cells are equipped with a high level of antioxidants to overcome excessive ROS production. However, an increased production of Prdx3 and Prdx5 is associated with the development of chemoresistance in certain types of cancers and it leads to further complications in cancer treatment. Understanding the interplay between mitochondrial Prdxs and ROS in carcinogenesis can be useful in the development of anticancer drugs with better proficiency and decreased resistance. However, more targeted studies are required for exploring the tumor microenvironment in association with mitochondrial Prdxs to improve the existing cancer therapies and drug development.
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Affiliation(s)
- Tayaba Ismail
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Youni Kim
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Hongchan Lee
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Dong-Seok Lee
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Hyun-Shik Lee
- KNU-Center for Nonlinear Dynamics, CMRI, School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea.
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279
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Elko EA, Mahoney JM, Vacek P, van der Vliet A, Anathy V, van der Velden JLJL, Janssen-Heininger YMW, Seward DJ. Age-dependent dysregulation of redox genes may contribute to fibrotic pulmonary disease susceptibility. Free Radic Biol Med 2019; 141:438-446. [PMID: 31315063 PMCID: PMC6820706 DOI: 10.1016/j.freeradbiomed.2019.07.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 07/12/2019] [Accepted: 07/12/2019] [Indexed: 12/22/2022]
Abstract
Aging is associated with enhanced oxidative stress and increased susceptibility to numerous diseases. This relationship is particularly striking with respect to the incidence of fibrotic lung disease. To identify potential mechanisms underlying the association between aging and susceptibility to fibrotic lung disease we analyzed transcriptome data from 342 disease-free human lung samples as a function of donor age. Our analysis reveals that aging in lung is accompanied by modest yet progressive changes in genes modulating redox homeostasis, the TGF-beta 1 signaling axis, and the extracellular matrix (ECM), pointing to an aging lung functional network (ALFN). Further, the transcriptional changes we document are tissue-specific, with age-dependent gene expression patterns differing across organ systems. Our findings suggest that the age-associated increased incidence of fibrotic pulmonary disease occurs in the context of tissue-specific, age-dependent transcriptional changes. Understanding the relationship between age-associated gene expression and susceptibility to fibrotic pulmonary disease may allow for more accurate risk stratification and effective therapeutic interventions within this challenging clinical space.
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Affiliation(s)
- Evan A Elko
- Department of Pathology and Laboratory Medicine, The University of Vermont, Burlington, VT, 05405, USA
| | - J Matthew Mahoney
- Department of Neurological Sciences, The University of Vermont, Burlington, VT, 05405, USA
| | - Pamela Vacek
- Medical Biostatistics, The University of Vermont, Burlington, VT, 05405, USA
| | - Albert van der Vliet
- Department of Pathology and Laboratory Medicine, The University of Vermont, Burlington, VT, 05405, USA
| | - Vikas Anathy
- Department of Pathology and Laboratory Medicine, The University of Vermont, Burlington, VT, 05405, USA
| | - Jos L J L van der Velden
- Department of Pathology and Laboratory Medicine, The University of Vermont, Burlington, VT, 05405, USA
| | | | - David J Seward
- Department of Pathology and Laboratory Medicine, The University of Vermont, Burlington, VT, 05405, USA.
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280
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Galleze A, Kocyigit A, Cherif N, Attal N, Touil-Boukoffa C, Raache R. Assessment of oxidative/anti-oxidative markers and DNA damage profile induced by chemotherapy in algerian children with lymphoma. Drug Chem Toxicol 2019; 43:169-173. [PMID: 31464142 DOI: 10.1080/01480545.2019.1659309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The aim of this study was to assess the oxidative stress and the genotoxicity induced by chemotherapy by the determination of plasma malondialdehyde (MDA) level, protein carbonyl (PC) content, superoxide dismutase (SOD) activity and lymphocyte DNA damage in Algerian children with lymphoma. The study population included thirty patients with lymphoma and fifty healthy controls. Patients were treated with 2 courses of OEPA (oncovin 1,5 mg/m2, etoposide 125 mg/m2, prednisone 60 mg/m2 and doxorubicin 40 mg/m2) followed by 2 to 4 courses of COPDAC (cyclophosphamide 500 mg/m2, oncovin 1,5 mg/m2, dacarbazine 250 mg/m2 and prednisone 40 mg/m2). Plasma levels of MDA, PC and SOD were spectrophotometrically measured. DNA damage was assessed by alkaline comet assay in peripheral blood leukocytes. Plasma MDA, PC levels and lymphocyte DNA damage, were found to be significantly higher in lymphoma patients than in controls (p < 0.001). Whereas, SOD activity in lymphoma patients was significantly lower than in healthy controls (p < 0.001). There were significant positive correlations between DNA damage, MDA and PC in patients (r = 0.96, p < 0.001, r = 0.97, p < 0.001, respectively), and negative correlation with SOD (r = -0.87, p < 0.01). Our results indicated that, leukocytes DNA damage and oxidative stress were significantly higher in lymphoma patients, suggesting that the direct effect of chemotherapy and the alteration of the redox balance may influence oxidative/antioxidative status.
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Affiliation(s)
- Assia Galleze
- Department of Cellular and Molecular Biology, Cytokines and Nitric Oxide Synthases, Faculty of Biology, University Houari Boumediene USTHB, Algiers, Algeria
| | - Abdurrahim Kocyigit
- Faculty of Medicine, Department of Biochemistry, Bezmialem Vakif University, Istanbul, Turkey
| | - Nacira Cherif
- Hematology Department, Beni Messous Hospital, Algiers, Algeria
| | - Nabila Attal
- Department of Immunology, Institute Pasteur of Algeria, Algiers, Algeria
| | - Chafia Touil-Boukoffa
- Department of Cellular and Molecular Biology, Cytokines and Nitric Oxide Synthases, Faculty of Biology, University Houari Boumediene USTHB, Algiers, Algeria
| | - Rachida Raache
- Department of Cellular and Molecular Biology, Cytokines and Nitric Oxide Synthases, Faculty of Biology, University Houari Boumediene USTHB, Algiers, Algeria
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281
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Moldogazieva NT, Mokhosoev IM, Mel'nikova TI, Porozov YB, Terentiev AA. Oxidative Stress and Advanced Lipoxidation and Glycation End Products (ALEs and AGEs) in Aging and Age-Related Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:3085756. [PMID: 31485289 PMCID: PMC6710759 DOI: 10.1155/2019/3085756] [Citation(s) in RCA: 253] [Impact Index Per Article: 50.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 06/27/2019] [Indexed: 01/24/2023]
Abstract
Oxidative stress is a consequence of the use of oxygen in aerobic respiration by living organisms and is denoted as a persistent condition of an imbalance between the generation of reactive oxygen species (ROS) and the ability of the endogenous antioxidant system (AOS) to detoxify them. The oxidative stress theory has been confirmed in many animal studies, which demonstrated that the maintenance of cellular homeostasis and biomolecular stability and integrity is crucial for cellular longevity and successful aging. Mitochondrial dysfunction, impaired protein homeostasis (proteostasis) network, alteration in the activities of transcription factors such as Nrf2 and NF-κB, and disturbances in the protein quality control machinery that includes molecular chaperones, ubiquitin-proteasome system (UPS), and autophagy/lysosome pathway have been observed during aging and age-related chronic diseases. The accumulation of ROS under oxidative stress conditions results in the induction of lipid peroxidation and glycoxidation reactions, which leads to the elevated endogenous production of reactive aldehydes and their derivatives such as glyoxal, methylglyoxal (MG), malonic dialdehyde (MDA), and 4-hydroxy-2-nonenal (HNE) giving rise to advanced lipoxidation and glycation end products (ALEs and AGEs, respectively). Both ALEs and AGEs play key roles in cellular response to oxidative stress stimuli through the regulation of a variety of cell signaling pathways. However, elevated ALE and AGE production leads to protein cross-linking and aggregation resulting in an alteration in cell signaling and functioning which causes cell damage and death. This is implicated in aging and various age-related chronic pathologies such as inflammation, neurodegenerative diseases, atherosclerosis, and vascular complications of diabetes mellitus. In the present review, we discuss experimental data evidencing the impairment in cellular functions caused by AGE/ALE accumulation under oxidative stress conditions. We focused on the implications of ALEs/AGEs in aging and age-related diseases to demonstrate that the identification of cellular dysfunctions involved in disease initiation and progression can serve as a basis for the discovery of relevant therapeutic agents.
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Affiliation(s)
- Nurbubu T. Moldogazieva
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 8 Trubetskaya Street, Moscow, 119991, Russia
| | - Innokenty M. Mokhosoev
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 8 Trubetskaya Street, Moscow, 119991, Russia
- N.I. Pirogov Russian National Research Medical University, 1 Ostrovityanov Street, Moscow, 117997, Russia
| | - Tatiana I. Mel'nikova
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 8 Trubetskaya Street, Moscow, 119991, Russia
| | - Yuri B. Porozov
- I.M. Sechenov First Moscow State Medical University (Sechenov University), 8 Trubetskaya Street, Moscow, 119991, Russia
- Saint Petersburg National Research University of Information Technologies, Mechanics and Optics, 49 Kronverksky Prospect, St. Petersburg, 197101, Russia
| | - Alexander A. Terentiev
- N.I. Pirogov Russian National Research Medical University, 1 Ostrovityanov Street, Moscow, 117997, Russia
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282
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Pudova EA, Lukyanova EN, Nyushko KM, Mikhaylenko DS, Zaretsky AR, Snezhkina AV, Savvateeva MV, Kobelyatskaya AA, Melnikova NV, Volchenko NN, Efremov GD, Klimina KM, Belova AA, Kiseleva MV, Kaprin AD, Alekseev BY, Krasnov GS, Kudryavtseva AV. Differentially Expressed Genes Associated With Prognosis in Locally Advanced Lymph Node-Negative Prostate Cancer. Front Genet 2019; 10:730. [PMID: 31447885 PMCID: PMC6697060 DOI: 10.3389/fgene.2019.00730] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 07/11/2019] [Indexed: 12/14/2022] Open
Abstract
Older age is one of the main risk factors for cancer development. The incidence of prostate cancer, as a multifactorial disease, also depends upon demographic factors, race, and genetic predisposition. Prostate cancer most frequently occurs in men over 60 years of age, indicating a clear association between older age and disease onset. Carcinogenesis is followed by the deregulation of many genes, and some of these changes could serve as biomarkers for diagnosis, prognosis, prediction of drug therapy efficacy, as well as possible therapeutic targets. We have performed a bioinformatic analysis of a The Cancer Genome Atlas (TCGA) data and RNA-Seq profiling of a Russian patient cohort to reveal prognostic markers of locally advanced lymph node-negative prostate cancer (lymph node-negative LAPC). We also aimed to identify markers of the most common molecular subtype of prostate cancer carrying a fusion transcript TMPRSS2-ERG. We have found several genes that were differently expressed between the favorable and unfavorable prognosis groups and involved in the enriched KEGG pathways based on the TCGA (B4GALNT4, PTK6, and CHAT) and Russian patient cohort data (AKR1C1 and AKR1C3). Additionally, we revealed such genes for the TMPRSS2-ERG prostate cancer molecular subtype (B4GALNT4, ASRGL1, MYBPC1, RGS11, SLC6A14, GALNT13, and ST6GALNAC1). Obtained results contribute to a better understanding of the molecular mechanisms behind prostate cancer progression and could be used for further development of the LAPC prognosis marker panel.
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Affiliation(s)
- Elena A. Pudova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena N. Lukyanova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Kirill M. Nyushko
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Dmitry S. Mikhaylenko
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
- Federal State Autonomous Educational Institution of Higher Education, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrew R. Zaretsky
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | | | - Maria V. Savvateeva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | | | - Nataliya V. Melnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Nadezhda N. Volchenko
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Gennady D. Efremov
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Kseniya M. Klimina
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russia
| | - Anastasiya A. Belova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Marina V. Kiseleva
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrey D. Kaprin
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Boris Y. Alekseev
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - George S. Krasnov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Anna V. Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
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283
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ROS Generation and Antioxidant Defense Systems in Normal and Malignant Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6175804. [PMID: 31467634 PMCID: PMC6701375 DOI: 10.1155/2019/6175804] [Citation(s) in RCA: 408] [Impact Index Per Article: 81.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 06/24/2019] [Indexed: 02/08/2023]
Abstract
Reactive oxygen species (ROS) are by-products of normal cell activity. They are produced in many cellular compartments and play a major role in signaling pathways. Overproduction of ROS is associated with the development of various human diseases (including cancer, cardiovascular, neurodegenerative, and metabolic disorders), inflammation, and aging. Tumors continuously generate ROS at increased levels that have a dual role in their development. Oxidative stress can promote tumor initiation, progression, and resistance to therapy through DNA damage, leading to the accumulation of mutations and genome instability, as well as reprogramming cell metabolism and signaling. On the contrary, elevated ROS levels can induce tumor cell death. This review covers the current data on the mechanisms of ROS generation and existing antioxidant systems balancing the redox state in mammalian cells that can also be related to tumors.
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284
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Semenova N, Madaeva I, Bairova T, Kolesnikov S, Kolesnikova L. Lipid peroxidation depends on the clock 3111T/C gene polymorphism in menopausal women with Insomnia. Chronobiol Int 2019; 36:1399-1408. [DOI: 10.1080/07420528.2019.1647436] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Natalya Semenova
- Federal State Public Scientific Institution “Scientific Centre for Family Health and Human Reproduction Problems”, Irkutsk, Russian Federation
| | - Irina Madaeva
- Federal State Public Scientific Institution “Scientific Centre for Family Health and Human Reproduction Problems”, Irkutsk, Russian Federation
| | - Tatyana Bairova
- Federal State Public Scientific Institution “Scientific Centre for Family Health and Human Reproduction Problems”, Irkutsk, Russian Federation
| | - Sergey Kolesnikov
- Federal State Public Scientific Institution “Scientific Centre for Family Health and Human Reproduction Problems”, Irkutsk, Russian Federation
| | - Lubov Kolesnikova
- Federal State Public Scientific Institution “Scientific Centre for Family Health and Human Reproduction Problems”, Irkutsk, Russian Federation
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285
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Wang Y, Xie F, Chen D, Wang L. Inhibition of mitochondrial respiration by tigecycline selectively targets thyroid carcinoma and increases chemosensitivity. Clin Exp Pharmacol Physiol 2019; 46:890-897. [PMID: 31209921 DOI: 10.1111/1440-1681.13126] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 05/15/2019] [Accepted: 06/12/2019] [Indexed: 01/07/2023]
Abstract
The role of mitochondria in cancer and mitochondria-targeted therapy has been gaining attention for its effectiveness and selectivity between cancer and normal cells. In line with this notion, our work demonstrates that inducing mitochondrial dysfunction by tigecycline, a FDA-approved antibiotic, selectively targets thyroid cancer and enhances chemosensitivity. We found that tigecycline inhibited proliferation and induced apoptosis in a panel of thyroid cancer cell lines. Consistently, tigecycline inhibited thyroid cancer growth in mice without causing significant toxicity. The combination of tigecycline with paclitaxel achieved greater efficacy than paclitaxel alone in vitro and in vivo. Mechanistically, tigecycline inhibited mitochondrial respiration and ATP reduction through decreasing mitochondrial membrane potential and inhibiting mitochondrial translation, leading to oxidative stress and damage. In contrast, tigecycline was ineffective in mitochondrial respiration-deficient cells, confirming that tigecycline acts on thyroid cancer via inhibiting mitochondrial respiration. Interestingly, although tigecycline inhibited mitochondrial respiration in both thyroid cancer and normal thyroid cells in a similar manner, tigecycline was more effective in thyroid cancer than normal thyroid cells, suggesting that thyroid cancer cells are more dependent on mitochondrial functions than normal thyroid cells. This was supported by our observations that thyroid cancer cells had higher level of mitochondrial biogenesis compared to normal thyroid cells. Our work is the first to demonstrate that the combination of chemotherapy with tigecycline is a potential sensitizing strategy for thyroid cancer treatment. Our findings also highlight the higher dependence of thyroid cancer cells on mitochondrial functions than normal thyroid cells.
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Affiliation(s)
- Yuehua Wang
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei College of Arts and Science, Xiangyang, China
| | - Fei Xie
- Department of General Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei College of Arts and Science, Xiangyang, China
| | - Dejie Chen
- Department of General Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei College of Arts and Science, Xiangyang, China
| | - Ling Wang
- Department of General Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei College of Arts and Science, Xiangyang, China
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286
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A model for the aberrant DNA methylomes in aging cells and cancer cells. Biochem Soc Trans 2019; 47:997-1003. [PMID: 31320500 DOI: 10.1042/bst20180218] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/28/2019] [Accepted: 07/01/2019] [Indexed: 12/25/2022]
Abstract
Abstract
DNA methylation at the fifth position of cytosine is a major epigenetic mark conserved in plants and mammals. Genome-wide DNA methylation patterns are dynamically controlled by integrated activities of establishment, maintenance, and removal. In both plants and mammals, a pattern of global DNA hypomethylation coupled with increased methylation levels at some specific genomic regions arises at specific developmental stages and in certain abnormal cells, such as mammalian aging cells and cancer cells as well as some plant epigenetic mutants. Here we provide an overview of this distinct DNA methylation pattern in mammals and plants, and propose that a methylstat, which is a cis-element responsive to both DNA methylation and active demethylation activities and controlling the transcriptional activity of a key DNA methylation regulator, can help to explain the enigmatic DNA methylation patterns in aging cells and cancer cells.
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287
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Fedorova MS, Krasnov GS, Lukyanova EN, Zaretsky AR, Dmitriev AA, Melnikova NV, Moskalev AA, Kharitonov SL, Pudova EA, Guvatova ZG, Kobelyatskaya AA, Ishina IA, Slavnova EN, Lipatova AV, Chernichenko MA, Sidorov DV, Popov AY, Kiseleva MV, Kaprin AD, Snezhkina AV, Kudryavtseva AV. The CIMP-high phenotype is associated with energy metabolism alterations in colon adenocarcinoma. BMC MEDICAL GENETICS 2019; 20:52. [PMID: 30967137 PMCID: PMC6454590 DOI: 10.1186/s12881-019-0771-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND CpG island methylator phenotype (CIMP) is found in 15-20% of malignant colorectal tumors and is characterized by strong CpG hypermethylation over the genome. The molecular mechanisms of this phenomenon are not still fully understood. The development of CIMP is followed by global gene expression alterations and metabolic changes. In particular, CIMP-low colon adenocarcinoma (COAD), predominantly corresponded to consensus molecular subtype 3 (CMS3, "Metabolic") subgroup according to COAD molecular classification, is associated with elevated expression of genes participating in metabolic pathways. METHODS We performed bioinformatics analysis of RNA-Seq data from The Cancer Genome Atlas (TCGA) project for CIMP-high and non-CIMP COAD samples with DESeq2, clusterProfiler, and topGO R packages. Obtained results were validated on a set of fourteen COAD samples with matched morphologically normal tissues using quantitative PCR (qPCR). RESULTS Upregulation of multiple genes involved in glycolysis and related processes (ENO2, PFKP, HK3, PKM, ENO1, HK2, PGAM1, GAPDH, ALDOA, GPI, TPI1, and HK1) was revealed in CIMP-high tumors compared to non-CIMP ones. Most remarkably, the expression of the PKLR gene, encoding for pyruvate kinase participating in gluconeogenesis, was decreased approximately 20-fold. Up to 8-fold decrease in the expression of OGDHL gene involved in tricarboxylic acid (TCA) cycle was observed in CIMP-high tumors. Using qPCR, we confirmed the increase (4-fold) in the ENO2 expression and decrease (2-fold) in the OGDHL mRNA level on a set of COAD samples. CONCLUSIONS We demonstrated the association between CIMP-high status and the energy metabolism changes at the transcriptomic level in colorectal adenocarcinoma against the background of immune pathway activation. Differential methylation of at least nine CpG sites in OGDHL promoter region as well as decreased OGDHL mRNA level can potentially serve as an additional biomarker of the CIMP-high status in COAD.
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Affiliation(s)
- Maria S. Fedorova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - George S. Krasnov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena N. Lukyanova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Andrew R. Zaretsky
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexey A. Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Nataliya V. Melnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexey A. Moskalev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Sergey L. Kharitonov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena A. Pudova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Zulfiya G. Guvatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | | | - Irina A. Ishina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena N. Slavnova
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Anastasia V. Lipatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Maria A. Chernichenko
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Dmitry V. Sidorov
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | | | - Marina V. Kiseleva
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrey D. Kaprin
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | | | - Anna V. Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
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288
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Snezhkina AV, Lukyanova EN, Zaretsky AR, Kalinin DV, Pokrovsky AV, Golovyuk AL, Krasnov GS, Fedorova MS, Pudova EA, Kharitonov SL, Melnikova NV, Alekseev BY, Kiseleva MV, Kaprin AD, Dmitriev AA, Kudryavtseva AV. Novel potential causative genes in carotid paragangliomas. BMC MEDICAL GENETICS 2019; 20:48. [PMID: 30967136 PMCID: PMC6454587 DOI: 10.1186/s12881-019-0770-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background Carotid paragangliomas (CPGLs) are rare neuroendocrine tumors that arise from the paraganglion at the bifurcation of the carotid artery and are responsible for approximately 65% of all head and neck paragangliomas. CPGLs can occur sporadically or along with different hereditary tumor syndromes. Approximately 30 genes are known to be associated with CPGLs. However, the genetic basis behind the development of these tumors is not fully elucidated, and the molecular mechanisms underlying CPGL pathogenesis remain unclear. Methods Whole exome and transcriptome high-throughput sequencing of CPGLs was performed on an Illumina platform. Exome libraries were prepared using a Nextera Rapid Capture Exome Kit (Illumina) and were sequenced under 75 bp paired-end model. For cDNA library preparation, a TruSeq Stranded Total RNA Library Prep Kit with Ribo-Zero Gold (Illumina) was used; transcriptome sequencing was carried out with 100 bp paired-end read length. Obtained data were analyzed using xseq which estimates the influence of mutations on gene expression profiles allowing to identify potential causative genes. Results We identified a total of 16 candidate genes (MYH15, CSP1, MYH3, PTGES3L, CSGALNACT2, NMD3, IFI44, GMCL1, LSP1, PPFIBP2, RBL2, MAGED1, CNIH3, STRA6, SLC6A13, and ATM) whose variants potentially influence their expression (cis-effect). The strongest cis-effect of loss-of-function variants was found in MYH15, CSP1, and MYH3, and several likely pathogenic variants in these genes associated with CPGLs were predicted. Conclusions Using the xseq probabilistic model, three novel potential causative genes, namely MYH15, CSP1, and MYH3, were identified in carotid paragangliomas.
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Affiliation(s)
| | - Elena N Lukyanova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Andrew R Zaretsky
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Dmitry V Kalinin
- Vishnevsky Institute of Surgery, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Anatoly V Pokrovsky
- Vishnevsky Institute of Surgery, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alexander L Golovyuk
- Vishnevsky Institute of Surgery, Ministry of Health of the Russian Federation, Moscow, Russia
| | - George S Krasnov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Maria S Fedorova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena A Pudova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Sergey L Kharitonov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Nataliya V Melnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Boris Y Alekseev
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Marina V Kiseleva
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrey D Kaprin
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alexey A Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Anna V Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.
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289
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Kim SR, Eirin A, Zhang X, Lerman A, Lerman LO. Mitochondrial Protection Partly Mitigates Kidney Cellular Senescence in Swine Atherosclerotic Renal Artery Stenosis. Cell Physiol Biochem 2019; 52:617-632. [PMID: 30907989 DOI: 10.33594/000000044] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 03/22/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND/AIMS Atherosclerotic renal artery stenosis (ARAS) may cause kidney injury and mitochondrial dysfunction, which is linked to cellular senescence. Elamipretide, a mitochondria-targeted peptide, improves renal function in ARAS, but whether it alleviates senescence is unknown. We hypothesized that elamipretide would reduce senescence stenotic kidney (STK) in ARAS. METHODS Domestic pigs were randomized to control and unilateral ARAS untreated or treated with subcutaneous elamipretide (5d/wk) for 4 weeks starting after 6 weeks of ARAS or sham (n=6 each). After completion of treatment, STK renal blood flow (RBF) and glomerular filtration rate (GFR) were assessed in-vivo using multi-detector computed-tomography. Renal fibrosis and oxidative stress were analyzed in trichrome- and dihydroethidium-stained slides, respectively. Mitochondrial markers involved in the electrontransport chain (COX4, ATP/ADP ratio), biogenesis (PGC1α, PPARα), dynamics (MFN2, DRP1), and mitophagy (parkin, p62) were measured in the kidney using ELISA, western-blot, and immunohistochemistry. Cellular senescence (senescence-associated β-galactosidase and heterochromatin foci, phosphorylated-H2AX, and p16/21/53) and senescence-associated secretory phenotype (SASP; PAI-1, MCP-1, TGFβ, and TNFα) markers were studied by microscopy, quantitative reverse transcription-polymerase chain reaction, and western-blot. RESULTS Blood pressure was elevated whereas STK-RBF and GFR were decreased in ARAS pigs, and tissue scarring was increased. ARAS induced STK cellular senescence and accumulated dysfunctional mitochondria, which were associated with cardiolipin loss, upregulated mitochondrial biogenesis, and defective mitophagy. Elamipretide normalized STK-RBF and GFR, alleviated fibrosis and oxidative stress, and restored mitochondrial cardiolipin, biogenesis, and mitophagy in ARAS, but did not change SASP markers, and attenuated only senescenceassociated β-galactosidase activity and p53 gene expression. CONCLUSION Mitochondrial protection improved renal function and fibrosis in the ARAS STK, but only partly mitigated cellular senescence. This finding suggests that mitochondrial dysfunction may not be a major determinant of cellular senescence in the early stage of ARAS.
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Affiliation(s)
- Seo Rin Kim
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, USA
| | - Alfonso Eirin
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, USA
| | - Xin Zhang
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, USA
| | - Amir Lerman
- Cardiovascular Diseases, Mayo Clinic, Rochester, USA
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, USA.,Cardiovascular Diseases, Mayo Clinic, Rochester, USA,
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Antioxidant activities of α-lipoic acid free and nano-capsule inhibit the growth of Ehrlich carcinoma. Mol Biol Rep 2019; 46:3141-3148. [DOI: 10.1007/s11033-019-04769-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 03/14/2019] [Indexed: 11/26/2022]
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291
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Jagust P, de Luxán-Delgado B, Parejo-Alonso B, Sancho P. Metabolism-Based Therapeutic Strategies Targeting Cancer Stem Cells. Front Pharmacol 2019; 10:203. [PMID: 30967773 PMCID: PMC6438930 DOI: 10.3389/fphar.2019.00203] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 02/18/2019] [Indexed: 02/02/2023] Open
Abstract
Cancer heterogeneity constitutes the major source of disease progression and therapy failure. Tumors comprise functionally diverse subpopulations, with cancer stem cells (CSCs) as the source of this heterogeneity. Since these cells bear in vivo tumorigenicity and metastatic potential, survive chemotherapy and drive relapse, its elimination may be the only way to achieve long-term survival in patients. Thanks to the great advances in the field over the last few years, we know now that cellular metabolism and stemness are highly intertwined in normal development and cancer. Indeed, CSCs show distinct metabolic features as compared with their more differentiated progenies, though their dominant metabolic phenotype varies across tumor entities, patients and even subclones within a tumor. Following initial works focused on glucose metabolism, current studies have unveiled particularities of CSC metabolism in terms of redox state, lipid metabolism and use of alternative fuels, such as amino acids or ketone bodies. In this review, we describe the different metabolic phenotypes attributed to CSCs with special focus on metabolism-based therapeutic strategies tested in preclinical and clinical settings.
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Affiliation(s)
- Petra Jagust
- Centre for Stem Cells in Cancer and Ageing, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Beatriz de Luxán-Delgado
- Centre for Stem Cells in Cancer and Ageing, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Beatriz Parejo-Alonso
- Traslational Research Unit, Hospital Universitario Miguel Servet, Aragon Institute for Health Research (IIS Aragon), Zaragoza, Spain
| | - Patricia Sancho
- Centre for Stem Cells in Cancer and Ageing, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom.,Traslational Research Unit, Hospital Universitario Miguel Servet, Aragon Institute for Health Research (IIS Aragon), Zaragoza, Spain
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292
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Reactive oxygen species and cancer: A complex interaction. Cancer Lett 2019; 452:132-143. [PMID: 30905813 DOI: 10.1016/j.canlet.2019.03.020] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 02/21/2019] [Accepted: 03/01/2019] [Indexed: 12/11/2022]
Abstract
Elevated levels of Reactive Oxygen Species (ROS), increased antioxidant ability and the maintenance of redox homeostasis can cumulatively contribute to tumor progression and metastasis. The sources and the role of ROS in a heterogeneous tumor microenvironment can vary at different stages of tumor: initiation, development, and progression, thus making it a complex subject. In this review, we have summarized the sources of ROS generation in cancer cells, its role in the tumor microenvironment, the possible functions of ROS and its important scavenger systems in tumor progression with special emphasis on solid tumors.
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Kudryavtseva AV, Lukyanova EN, Kalinin DV, Zaretsky AR, Pokrovsky AV, Golovyuk AL, Fedorova MS, Pudova EA, Kharitonov SL, Pavlov VS, Kobelyatskaya AA, Melnikova NV, Dmitriev AA, Polyakov AP, Alekseev BY, Kiseleva MV, Kaprin AD, Krasnov GS, Snezhkina AV. Mutational load in carotid body tumor. BMC Med Genomics 2019; 12:39. [PMID: 30871634 PMCID: PMC6416835 DOI: 10.1186/s12920-019-0483-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background Carotid body tumor (CBT) is a rare neoplasm arising from paraganglion located near the bifurcation of the carotid artery. There is great intra-tumor heterogeneity, and CBT development could be associated with both germline and somatic allelic variants. Studies on the molecular genetics of CBT are limited, and the molecular mechanisms of its pathogenesis are not fully understood. This work is focused on the estimation of mutational load (ML) in CBT. Methods Using the NextSeq 500 platform, we performed exome sequencing of tumors with matched lymph node tissues and peripheral blood obtained from six patients with CBT. To obtain reliable results in tumors with low ML, we developed and successfully applied a complex approach for the analysis of sequencing data. ML was evaluated as the number of somatic variants per megabase (Mb) of the target regions covered by the Illumina TruSeq Exome Library Prep Kit. Results The ML in CBT varied in the range of 0.09–0.28/Mb. Additionally, we identified several pathogenic/likely pathogenic somatic and germline allelic variants across six patients studied (including TP53 variants). Conclusions Using the developed approach, we estimated the ML in CBT, which is much lower than in common malignant tumors. Identified variants in known paraganglioma/pheochromocytoma-causative genes and novel genes could be associated with the pathogenesis of CBT. The obtained results expand our knowledge of the mutation process in CBT as well as the biology of tumor development.
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Affiliation(s)
- Anna V Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.
| | - Elena N Lukyanova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Dmitry V Kalinin
- Vishnevsky Institute of Surgery, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrew R Zaretsky
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Anatoly V Pokrovsky
- Vishnevsky Institute of Surgery, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alexander L Golovyuk
- Vishnevsky Institute of Surgery, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Maria S Fedorova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena A Pudova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Sergey L Kharitonov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Vladislav S Pavlov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | | | - Nataliya V Melnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexey A Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Andrey P Polyakov
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Boris Y Alekseev
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Marina V Kiseleva
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrey D Kaprin
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - George S Krasnov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
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294
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Zhang M, Ying W. NAD + Deficiency Is a Common Central Pathological Factor of a Number of Diseases and Aging: Mechanisms and Therapeutic Implications. Antioxid Redox Signal 2019; 30:890-905. [PMID: 29295624 DOI: 10.1089/ars.2017.7445] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Increasing evidence has indicated critical roles of nicotinamide adenine dinucleotide, oxidized form (NAD+) in various biological functions. NAD+ deficiency has been found in models of a number of diseases such as cerebral ischemia, myocardial ischemia, and diabetes, and in models of aging. Applications of NAD+ or other approaches that can restore NAD+ levels are highly protective in these models of diseases and aging. NAD+ produces its beneficial effects by targeting at multiple pathological pathways, including attenuating mitochondrial alterations, DNA damage, and oxidative stress, by modulating such enzymes as sirtuins, glyceraldehyde-3-phosphate dehydrogenase, and AP endonuclease. These findings have suggested great therapeutic and nutritional potential of NAD+ for diseases and senescence. Recent Advances: Approaches that can restore NAD+ levels are highly protective in the models of such diseases as glaucoma. The NAD+ deficiency in the diseases and aging results from not only poly(ADP-ribose) polymerase-1 (PARP-1) activation but also decreased nicotinamide phosphoribosyltransferase (Nampt) activity and increased CD38 activity. Significant biological effects of extracellular NAD+ have been found. Increasing evidence has suggested that NAD+ deficiency is a common central pathological factor in a number of diseases and aging. Critical Issues and Future Directions: Future studies are required for solidly establishing the concept that "NAD+ deficiency is a common central pathological factor in a number of disease and aging." It is also necessary to further investigate the mechanisms underlying the NAD+ deficiency in the diseases and aging. Preclinical and clinical studies should be conducted to determine the therapeutic potential of NAD+ for the diseases and aging.
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Affiliation(s)
- Mingchao Zhang
- 1 Med-X Research Institute and School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China.,2 Collaborative Innovation Center for Genetics and Development, Shanghai, China
| | - Weihai Ying
- 1 Med-X Research Institute and School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China.,2 Collaborative Innovation Center for Genetics and Development, Shanghai, China
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295
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Vágási CI, Vincze O, Pătraș L, Osváth G, Pénzes J, Haussmann MF, Barta Z, Pap PL. Longevity and life history coevolve with oxidative stress in birds. Funct Ecol 2019; 33:152-161. [PMID: 34290466 PMCID: PMC8291348 DOI: 10.1111/1365-2435.13228] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 09/30/2018] [Indexed: 01/09/2023]
Abstract
1. The mechanisms that underpin the evolution of ageing and life histories remain elusive. Oxidative stress, which results in accumulated cellular damages, is one of the mechanisms suggested to play a role. 2. In this paper, we set out to test the "oxidative stress theory of ageing" and the "oxidative stress hypothesis of life histories" using a comprehensive phylogenetic comparison based on an unprecedented dataset of oxidative physiology in 88 free-living bird species. 3. We show for the first time that bird species with longer lifespan have higher non-enzymatic antioxidant capacity and suffer less oxidative damage to their lipids. We also found that bird species featuring a faster pace-of-life either have lower non-enzymatic antioxidant capacity or are exposed to higher levels of oxidative damage, while adult annual mortality does not relate to oxidative state. 4. These results reinforce the role of oxidative stress in the evolution of lifespan and also corroborate the role of oxidative state in the evolution of life histories among free-living birds.
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Affiliation(s)
- Csongor I. Vágási
- Hungarian Department of Biology and Ecology, Evolutionary Ecology Group, Babeş-Bolyai University, Cluj-Napoca, Romania
- Department of Evolutionary Zoology, MTA-DE Behavioural Ecology Research Group, University of Debrecen, Debrecen, Hungary
| | - Orsolya Vincze
- Hungarian Department of Biology and Ecology, Evolutionary Ecology Group, Babeş-Bolyai University, Cluj-Napoca, Romania
- Department of Evolutionary Zoology, MTA-DE Behavioural Ecology Research Group, University of Debrecen, Debrecen, Hungary
| | - Laura Pătraș
- Department of Molecular Biology and Biotechnology, Babeş-Bolyai University, Cluj-Napoca, Romania
| | - Gergely Osváth
- Hungarian Department of Biology and Ecology, Evolutionary Ecology Group, Babeş-Bolyai University, Cluj-Napoca, Romania
- Department of Evolutionary Zoology, MTA-DE Behavioural Ecology Research Group, University of Debrecen, Debrecen, Hungary
- Museum of Zoology, Babeş-Bolyai University, Cluj-Napoca, Romania
| | - Janka Pénzes
- Hungarian Department of Biology and Ecology, Evolutionary Ecology Group, Babeş-Bolyai University, Cluj-Napoca, Romania
| | | | - Zoltán Barta
- Department of Evolutionary Zoology, MTA-DE Behavioural Ecology Research Group, University of Debrecen, Debrecen, Hungary
| | - Péter L. Pap
- Hungarian Department of Biology and Ecology, Evolutionary Ecology Group, Babeş-Bolyai University, Cluj-Napoca, Romania
- Department of Evolutionary Zoology, MTA-DE Behavioural Ecology Research Group, University of Debrecen, Debrecen, Hungary
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296
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Arinno A, Apaijai N, Kaewtep P, Pratchayasakul W, Jaiwongkam T, Kerdphoo S, Chattipakorn S, Chattipakorn N. Combined low-dose testosterone and vildagliptin confers cardioprotection in castrated obese rats. J Endocrinol 2019; 240:JOE-18-0673. [PMID: 30620714 DOI: 10.1530/joe-18-0673] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 01/08/2019] [Indexed: 02/02/2023]
Abstract
Although a physiological dose of testosterone replacement therapy (p-TRT) has been shown to improve left ventricular (LV) function, some studies reported that it increased the risk of myocardial infarction in testosterone-deprived men. We previously reported that vildagliptin might be used as an alternative to the p-TRT. In this study, we hypothesized that a combined low-dose TRT with vildagliptin exerts greater efficacy than single regimen in improving cardiometabolic function in obese-insulin resistant rats with testosterone deprivation. Male rats were fed on a normal diet or high-fat diet for 12 weeks. Then, they were divided into 2 subgroups; sham operation and orchiectomy (NDO, HFO) and fed their diets for another 12 weeks. At week 25, orchiectomized rats were subdivided into 4 groups, vehicle, p-TRT, vildagliptin, and combined drugs. At week 29, cardiometabolic and biochemical parameters were determined. HFO rats had obese-insulin resistance with a worse LV dysfunction, compared with sham. Vildagliptin and combined drugs effectively reduced insulin resistance. All treatments reduced blood pressure, cardiac autonomic imbalance, LV dysfunction, mitochondrial dysfunction, apoptosis, and increased mitochondrial fusion in NDO and HFO rats. However, p-TRT and combined drugs, but not vildagliptin, reduced mitochondrial fission in NDO and HFO rats. We concluded that combined low-dose TRT with vildagliptin mitigated LV function at a similar level to the p-TRT alone and vildagliptin via improving mitochondrial fusion, reducing mitochondrial dysfunction and apoptosis in testosterone-deprived rats. Our findings suggest that low-dose TRT combined with vildagliptin may be an alternative for p-TRT in conditions of obese-insulin resistance with testosterone deprivation.
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Affiliation(s)
- Apiwan Arinno
- A Arinno, Cardiac Electrophysiology Research and Training Center, Chiang Mai university, Chiang Mai, Thailand
| | - Nattayaporn Apaijai
- N Apaijai, Neurophysiology unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai university, Chiang Mai, Thailand
| | - Puntarik Kaewtep
- P Kaewtep, Cardiac Electrophysiology Research and Training Center, Chiang Mai university, Chiang Mai, Thailand
| | - Wasana Pratchayasakul
- W Pratchayasakul, Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Thidarat Jaiwongkam
- T Jaiwongkam, Cardiac Electrophysiology Research and Training Center, Chiang Mai university, Chiang Mai, Thailand
| | - Sasiwan Kerdphoo
- S Kerdphoo, Neurophysiology unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai university, Chiang Mai, Thailand
| | - Siriporn Chattipakorn
- S Chattipakorn, Oral Biology and Diagnostic Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Nipon Chattipakorn
- N Chattipakorn, Cardiac Electrophysiology Research and Training Center, Chiang Mai university, Chiang Mai, 50200, Thailand
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297
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Goya RG, Lehmann M, Chiavellini P, Canatelli-Mallat M, Hereñú CB, Brown OA. Rejuvenation by cell reprogramming: a new horizon in gerontology. Stem Cell Res Ther 2018; 9:349. [PMID: 30558644 PMCID: PMC6296020 DOI: 10.1186/s13287-018-1075-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The discovery of animal cloning and subsequent development of cell reprogramming technology were quantum leaps as they led to the achievement of rejuvenation by cell reprogramming and the emerging view that aging is a reversible epigenetic process. Here, we will first summarize the experimental achievements over the last 7 years in cell and animal rejuvenation. Then, a comparison will be made between the principles of the cumulative DNA damage theory of aging and the basic facts underlying the epigenetic model of aging, including Horvath's epigenetic clock. The third part will apply both models to two natural processes, namely, the setting of the aging clock in the mammalian zygote and the changes in the aging clock along successive generations in mammals. The first study demonstrating that skin fibroblasts from healthy centenarians can be rejuvenated by cell reprogramming was published in 2011 and will be discussed in some detail. Other cell rejuvenation studies in old humans and rodents published afterwards will be very briefly mentioned. The only in vivo study reporting that a number of organs of old progeric mice can be rejuvenated by cyclic partial reprogramming will also be described in some detail. The cumulative DNA damage theory of aging postulates that as an animal ages, toxic reactive oxygen species generated as byproducts of the mitochondria during respiration induce a random and progressive damage in genes thus leading cells to a progressive functional decline. The epigenetic model of aging postulates that there are epigenetic marks of aging that increase with age, leading to a progressive derepression of DNA which in turn causes deregulated expression of genes that disrupt cell function. The cumulative DNA damage model of aging fails to explain the resetting of the aging clock at the time of conception as well as the continued vitality of species as millenia go by. In contrast, the epigenetic model of aging straightforwardly explains both biologic phenomena. A plausible initial application of rejuvenation in vivo would be preventing adult individuals from aging thus eliminating a major risk factor for end of life pathologies. Further, it may allow the gradual achievement of whole body rejuvenation.
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Affiliation(s)
- Rodolfo G. Goya
- Institute for Biochemical Research (INIBIOLP) - Histology B & Pathology B, School of Medicine, National University of La Plata, CC 455, 1900 La Plata, Argentina
| | - Marianne Lehmann
- Institute for Biochemical Research (INIBIOLP) - Histology B & Pathology B, School of Medicine, National University of La Plata, CC 455, 1900 La Plata, Argentina
| | - Priscila Chiavellini
- Institute for Biochemical Research (INIBIOLP) - Histology B & Pathology B, School of Medicine, National University of La Plata, CC 455, 1900 La Plata, Argentina
| | - Martina Canatelli-Mallat
- Institute for Biochemical Research (INIBIOLP) - Histology B & Pathology B, School of Medicine, National University of La Plata, CC 455, 1900 La Plata, Argentina
| | - Claudia B. Hereñú
- Institute for Experimental Pharmacology Cordoba(IFEC), School of Chemical Sciences, National University of Cordoba, Cordoba, Argentina
| | - Oscar A. Brown
- Institute for Biochemical Research (INIBIOLP) - Histology B & Pathology B, School of Medicine, National University of La Plata, CC 455, 1900 La Plata, Argentina
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298
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Cantoni O, Guidarelli A, Fiorani M. Mitochondrial Uptake and Accumulation of Vitamin C: What Can We Learn from Cell Culture Studies? Antioxid Redox Signal 2018; 29:1502-1515. [PMID: 28699359 DOI: 10.1089/ars.2017.7253] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
SIGNIFICANCE The mitochondrial fraction of l-ascorbic acid (AA) is of critical importance for the regulation of the redox status of these organelles and for cell survival. Recent Advances: Most cell types take up AA by the high-affinity sodium-dependent vitamin C transporter 2 (SVCT2) sensitive to inhibition by dehydroascorbic acid (DHA). DHA can also be taken up by glucose transporters (GLUTs) and then reduced back to AA. DHA concentrations, normally very low in biological fluids, may only become significant next to superoxide-releasing cells. Very little is known about the mechanisms mediating the mitochondrial transport of the vitamin. CRITICAL ISSUES Information on AA transport is largely derived from studies using cultured cells and is therefore conditioned by possible cell culture effects as overexpression of SVCT2 in the plasma membrane and mitochondria. Mitochondrial SVCT2 is susceptible to inhibition by DHA and transports AA with a low affinity as a consequence of the restrictive ionic conditions. In some cells, however, high-affinity mitochondrial transport of AA is observed. Mitochondrial uptake of DHA may take place through GLUTs, an event followed by its prompt reduction to AA in the matrix. Intracellular levels of DHA are, however, normally very low. FUTURE DIRECTIONS We need to establish, or rule out, the role and significance of mitochondrial SVCT2 in vivo. The key question for mitochondrial DHA transport is instead related to its very low intracellular concentrations.
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Affiliation(s)
- Orazio Cantoni
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo ," Urbino, Italy
| | - Andrea Guidarelli
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo ," Urbino, Italy
| | - Mara Fiorani
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo ," Urbino, Italy
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299
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Guidarelli A, Fiorani M, Cerioni L, Cantoni O. Calcium signals between the ryanodine receptor- and mitochondria critically regulate the effects of arsenite on mitochondrial superoxide formation and on the ensuing survival vs apoptotic signaling. Redox Biol 2018; 20:285-295. [PMID: 30388683 PMCID: PMC6216081 DOI: 10.1016/j.redox.2018.10.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 10/11/2018] [Accepted: 10/19/2018] [Indexed: 12/18/2022] Open
Abstract
A low concentration of arsenite (6 h), selectively stimulating the intraluminal crosstalk between the inositol-1, 4, 5-triphosphate receptor and the ryanodine receptor (RyR), increased the mitochondrial transport of RyR-derived Ca2+ through the mitochondrial Ca2+ uniporter. This event was characterized in intact and permeabilized cells, and was shown to be critical for mitochondrial superoxide (mitoO2.-) formation. Inhibition of mitochondrial Ca2+ accumulation therefore prevented the effects of arsenite, in both the mitochondrial (e.g., cardiolipin oxidation) and extramitochondrial (e.g., DNA single- strand breakage) compartments, and suppressed the Nrf2/GSH survival signaling. The effects of arsenite on Ca2+ homeostasis and mitoO2.- formation were reversible, as determined after an additional 10 h incubation in fresh culture medium and by measuring long-term viability. A 16 h continuous exposure to arsenite instead produced a sustained increase in the cytosolic and mitochondrial Ca2+ concentrations, a further increased mitoO2.- formation and mitochondrial permeability transition. These events, followed by delayed apoptosis (48 h), were sensitive to treatments/manipulations preventing mitochondrial Ca2+ accumulation. Interestingly, cells remained viable under conditions in which the deregulated Ca2+ homeostasis was not accompanied by mitoO2.-formation. In conclusion, we report that the fraction of Ca2+ taken up by the mitochondria in response to arsenite derives from the RyR. Mitochondrial Ca2+ appears critical for mitoO2.- formation and for the triggering of both the cytoprotective and apoptotic signaling. The effects of arsenite were reversible, whereas its prolonged exposure caused a sustained increase in mitochondrial Ca2+ and mitoO2.- formation, and the prevalence of the apoptotic vs survival signaling.
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Affiliation(s)
- Andrea Guidarelli
- Department of Biomolecular Sciences, University of Urbino, Carlo Bo, via Saffi 2, 61029 Urbino, PU, Italy
| | - Mara Fiorani
- Department of Biomolecular Sciences, University of Urbino, Carlo Bo, via Saffi 2, 61029 Urbino, PU, Italy
| | - Liana Cerioni
- Department of Biomolecular Sciences, University of Urbino, Carlo Bo, via Saffi 2, 61029 Urbino, PU, Italy
| | - Orazio Cantoni
- Department of Biomolecular Sciences, University of Urbino, Carlo Bo, via Saffi 2, 61029 Urbino, PU, Italy.
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300
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Ding M, Shu P, Gao S, Wang F, Gao Y, Chen Y, Deng W, He G, Hu Z, Li T. Schisandrin B protects human keratinocyte-derived HaCaT cells from tert-butyl hydroperoxide-induced oxidative damage through activating the Nrf2 signaling pathway. Int J Mol Med 2018; 42:3571-3581. [PMID: 30272282 DOI: 10.3892/ijmm.2018.3901] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 09/06/2018] [Indexed: 11/05/2022] Open
Abstract
Schisandrin B (Sch B), an active extract of Schisandra chinensis, has demonstrated antioxidant activity in a number of in vitro and in vivo models. In the present study, the capacity of Sch B to protect against oxidative injury in keratinocytes using the human keratinocyte‑derived HaCaT cell line was investigated. To induce oxidative injury, tert‑Butyl hydroperoxide (tBHP) was employed. The results indicate that Sch B efficiently reduced tBHP‑induced cell death, reactive oxygen species (ROS) generation, protein oxidation, lipid peroxidation and DNA damage. Sch B also effectively attenuated the loss of mitochondrial membrane potential (MMP), and restored adenosine triphosphate (ATP) levels in tBHP‑injured HaCaT cells. Furthermore, Sch B enhanced the expression of key antioxidant enzymes, including catalase, heme oxygenase‑1, glutathione peroxidase, and superoxide dismutase, and further engaged the nuclear factor‑erythroid 2‑related factor 2 (Nrf2) signaling pathway by modulating its phosphorylation through activating multiple upstream kinases, including protein kinase B, adenosine monophosphate‑activated protein kinase and mitogen‑activated protein kinases (MAPKs). The present study suggests that Sch B provides a protective effect in keratinocytes in response to oxidative injury via reinforcing the endogenous antioxidant defense system. Therefore, it may be applied as an adjuvant therapy or in health foods to delay the skin aging process and the onset of skin diseases caused by oxidative stress.
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Affiliation(s)
- Ming Ding
- School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology, Jinan, Shandong 250353, P.R. China
| | - Peng Shu
- Infinitus (China) Company, Ltd., Guangzhou, Guangdong 510663, P.R. China
| | - Shuang Gao
- Institute of Life Science, Wenzhou University, Wenzhou, Zhejiang 325000, P.R. China
| | - Fenglou Wang
- LB Cosmeceutical Technology Co., Ltd., Shanghai 200233, P.R. China
| | - Yitian Gao
- Institute of Life Science, Wenzhou University, Wenzhou, Zhejiang 325000, P.R. China
| | - Yu Chen
- Institute of Life Science, Wenzhou University, Wenzhou, Zhejiang 325000, P.R. China
| | - Wenjuan Deng
- Infinitus (China) Company, Ltd., Guangzhou, Guangdong 510663, P.R. China
| | - Gaiying He
- LB Cosmeceutical Technology Co., Ltd., Shanghai 200233, P.R. China
| | - Zhenlin Hu
- Institute of Life Science, Wenzhou University, Wenzhou, Zhejiang 325000, P.R. China
| | - Tianduo Li
- School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology, Jinan, Shandong 250353, P.R. China
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