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Guan Y, Li L, Yang R, Lu Y, Tang J. Targeting mitochondria with natural polyphenols for treating Neurodegenerative Diseases: a comprehensive scoping review from oxidative stress perspective. J Transl Med 2025; 23:572. [PMID: 40410831 PMCID: PMC12100838 DOI: 10.1186/s12967-025-06605-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2025] [Accepted: 05/12/2025] [Indexed: 05/25/2025] Open
Abstract
Neurodegenerative diseases are a class of conditions with widespread detrimental impacts, currently lacking effective therapeutic drugs. Recent studies have identified mitochondrial dysfunction and the resultant oxidative stress as crucial contributors to the pathogenesis of neurodegenerative diseases. Polyphenols, naturally occurring compounds with inherent antioxidant properties, have demonstrated the potential to target mitochondria and mitigate oxidative stress. This therapeutic potential has garnered significant attention in recent years. Investigating the mitochondrial targeting capacity of polyphenols, their role in functional regulation, and their ability to modulate oxidative stress, along with exploring novel technologies and strategies for modifying polyphenol compounds and their formulations, holds promise for providing new avenues for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Yueyue Guan
- Department of Encephalopathy, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China
| | - Lei Li
- Department of Anorectal Surgery, Hospital of Chengdu University of Traditional Chinese Medicine and Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Rui Yang
- Department of Encephalopathy, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China
| | - Yun Lu
- Department of Emergency Medicine, Hospital of Chengdu University of Traditional Chinese Medicine and Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China.
| | - Jun Tang
- Department of Encephalopathy, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China.
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Khan IM, Gul H, Khan S, Nassar N, Khalid A, Swelum AA, Wang Z. Green tea polyphenol epigallocatechin-3-gallate mediates an antioxidant response via Nrf2 pathway in heat-stressed poultry: A review. Poult Sci 2025; 104:105071. [PMID: 40157268 PMCID: PMC11995091 DOI: 10.1016/j.psj.2025.105071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2024] [Revised: 03/15/2025] [Accepted: 03/18/2025] [Indexed: 04/01/2025] Open
Abstract
Heat stress is a critical challenge in the poultry industry. It arises when birds are exposed to elevated ambient temperatures beyond their thermoneutral zone, often exacerbated by high humidity and inadequate ventilation. This condition disrupts the birds' ability to maintain thermal homeostasis, leading to physiological and behavioral changes such as increased panting, reduced feed intake, and elevated water consumption. These responses aim to dissipate heat but often result in energy imbalances, oxidative stress, and impaired immune function. Green tea polyphenols (GTPs) mitigate heat stress in poultry birds by modulating oxidative stress pathways, primarily by scavenging reactive oxygen species (ROS) and enhancing antioxidant defense mechanisms. These pathways play a pivotal role in neutralizing ROS generated during oxidative stress, inflammation, and exposure to electrophilic compounds. This action helps restore cellular balance and enhances overall antioxidant defense mechanisms by converting harmful free radicals into less reactive molecules, such as water and oxygen. Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) plays a significant character in the activation of the enzymatic antioxidants network. It translocates to the nucleus upon activation, binds to antioxidant response elements (AREs) in the promoter regions of target genes, and upregulates the expression of key antioxidant enzymes. Therefore, the regulation of Nrf2 is considered a critical molecular marker in mitigating the effects of heat stress, as its activation enhances the expression of antioxidant and detoxification enzymes, protecting against oxidative damage and inflammation induced by elevated temperatures. This exploratory review summarizes the antioxidant mechanisms and anti-oxidative stress effects of GTPs in mitigating heat stress in poultry. It highlights the cytoprotective molecular basis of epigallocatechin-3-gallate (EGCG), particularly its role in modulating Nrf2-mediated cellular pathways, which enhance antioxidant defense systems and protect against oxidative damage.
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Affiliation(s)
| | - Haji Gul
- District Livestock Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Samiullah Khan
- The Scientific Observing and Experimental Station of Crop Pest in Guiyang, Ministry of Agriculture, Institute of Entomology, Guizhou University, Guiyang, China
| | - Nourhan Nassar
- College of Life Science, Anhui Agricultural University, Hefei, Anhui, China; Department of Clinical Pathology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh 13736, QG, Egypt
| | - Anam Khalid
- College of Life Science, Anhui Agricultural University, Hefei, Anhui, China
| | - Ayman A Swelum
- Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt.
| | - Zaigui Wang
- College of Life Science, Anhui Agricultural University, Hefei, Anhui, China.
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Castiglione GM, Chen X, Xu Z, Dbouk NH, Bose AA, Carmona-Berrio D, Chi EE, Zhou L, Boronina TN, Cole RN, Wu S, Liu AD, Liu TD, Lu H, Kalbfleisch T, Rinker D, Rokas A, Ortved K, Duh EJ. Running a genetic stop sign accelerates oxygen metabolism and energy production in horses. Science 2025; 387:eadr8589. [PMID: 40146832 DOI: 10.1126/science.adr8589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Accepted: 02/13/2025] [Indexed: 03/29/2025]
Abstract
Horses are among nature's greatest athletes, yet the ancestral molecular adaptations fueling their energy demands are poorly understood. Within a clinically important pathway regulating redox and metabolic homeostasis (NRF2/KEAP1), we discovered an ancient mutation-conserved in all extant equids-that increases mitochondrial respiration while decreasing tissue-damaging oxidative stress. This mutation is a de novo premature opal stop codon in KEAP1 that is translationally recoded into a cysteine through previously unknown mechanisms, producing an R15C mutation in KEAP1 that is more sensitive to electrophiles and reactive oxygen species. This recoding enables increased NRF2 activity, which enhances mitochondrial adenosine 5'-triphosphate production and cellular resistance to oxidative damage. Our study illustrates how recoding of a de novo stop codon, a strategy thought restricted to viruses, can facilitate adaptation in vertebrates.
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Affiliation(s)
- Gianni M Castiglione
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
- Department of Ophthalmology and Visual Sciences, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Evolutionary Studies Initiative, Vanderbilt University, Nashville, TN, USA
| | - Xin Chen
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | - Zhenhua Xu
- Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Nadir H Dbouk
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
- Evolutionary Studies Initiative, Vanderbilt University, Nashville, TN, USA
| | - Anamika A Bose
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
- Evolutionary Studies Initiative, Vanderbilt University, Nashville, TN, USA
| | | | - Emiliana E Chi
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | - Lingli Zhou
- Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Tatiana N Boronina
- Mass Spectrometry and Proteomics Facility, Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Robert N Cole
- Mass Spectrometry and Proteomics Facility, Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Shirley Wu
- Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Abby D Liu
- Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Thalia D Liu
- Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Haining Lu
- Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ted Kalbfleisch
- Department of Veterinary Science, Gluck Equine Research Center, University of Kentucky, Lexington, KY, USA
| | - David Rinker
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
- Evolutionary Studies Initiative, Vanderbilt University, Nashville, TN, USA
| | - Antonis Rokas
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
- Evolutionary Studies Initiative, Vanderbilt University, Nashville, TN, USA
| | - Kyla Ortved
- Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, PA, USA
| | - Elia J Duh
- Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Koyama S, Mizutani Y, Goto Y, Yoda K. Species-specific physiological status in seabirds: insights from integrating oxidative stress measurements and biologging. Front Physiol 2025; 16:1509511. [PMID: 40177361 PMCID: PMC11962040 DOI: 10.3389/fphys.2025.1509511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2024] [Accepted: 02/25/2025] [Indexed: 04/05/2025] Open
Abstract
Understanding the relationship between behavior and physiological state, as well as species differences in physiological responses, is key to identifying the behavioral and physiological adaptations necessary for wild animals to avoid physiological deterioration, thereby enhancing their survival and fitness. A commonly used measure of physiological condition is oxidative stress, which results from an imbalance between oxidative damage-often exacerbated by respiration during exercise and indicative of physical harm-and antioxidant capacity, which reflects the organism's ability to recover from such damage. Despite its importance, oxidative stress has rarely been linked to behavior, such as foraging, leaving this relationship underexplored. In this study, we focused on two seabird species, black-tailed gulls (Larus crassirostris) and streaked shearwaters (Calonectris leucomelas), which are similar in body size and primarily forage on the same prey species but differ in traits such as habitat, flight style, and physiological function. We recorded the trajectories of these birds for approximately 1 week using biologging and measured their plasma oxidative stress. We found that oxidative stress in black-tailed gulls was higher than that in streaked shearwaters, suggesting that species differences in life histories, habitats, and physiological function may be related to long-term oxidative stress. However, over a 1-week timescale, there were no significant species differences in changes in oxidative stress, suggesting that behavioral differences between the two species might not necessarily lead to species-specific oxidative stress responses in the short term. Additionally, no consistent relationship was found between changes in oxidative stress of the two species and their behavioral metrics in most years, suggesting that this relationship may vary depending on yearly environmental fluctuations. Based on our findings, we encourage future studies that would explore and integrate the interactions between marine environments, behavior, and oxidative stress of different bird species to clarify the contribution of specific foraging behaviors to either the deterioration or recovery of physiological conditions, and the varying effect of environmental conditions on these relationships.
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Zhang S, Chen Y, Lv Y, Feng Y, Gao C. Mitochondrial PGAM5 modulates methionine metabolism and feather follicle development by targeting Wnt/β-catenin signaling pathway in broiler chickens. J Anim Sci Biotechnol 2025; 16:35. [PMID: 40038789 DOI: 10.1186/s40104-025-01176-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2024] [Accepted: 02/08/2025] [Indexed: 03/06/2025] Open
Abstract
BACKGROUND Poor feather growth not only affects the appearance of the organism but also decreases the feed efficiency. Methionine (Met) is an essential amino acid required for feather follicle development; yet the exact mechanism involved remains insufficiently understood. METHODS A total of 180 1-day-old broilers were selected and randomly divided into 3 treatments: control group (0.45% Met), Met-deficiency group (0.25% Met), and Met-rescue group (0.45% Met in the pre-trial period and 0.25% Met in the post-trial period). The experimental period lasted for 56 d, with a pre-trial period of 1-28 d and a post-trial period of 29-56 d. In addition, Met-deficiency and Met-rescue models were constructed in feather follicle epidermal stem cell by controlling the supply of Met in the culture medium. RESULTS Dietary Met-deficiency significantly (P < 0.05) reduced the ADG, ADFI and F/G, and inhibited feather follicle development. Met supplementation significantly (P < 0.05) improved growth performance and the feather growth in broilers. Met-rescue may promote feather growth in broilers by activating the Wnt/β-catenin signaling pathway (GSK-3β, CK1, Axin1, β-catenin, Active β-catenin, TCF4, and Cyclin D1). Compared with Met-deficiency group, Met-rescue significantly (P < 0.05) increased the activity of feather follicle epidermal stem cell and mitochondrial membrane potential, activated Wnt/β-catenin signaling pathway, and decreased the content of reactive oxygen species (P < 0.05). CO-IP confirmed that mitochondrial protein PGAM5 interacted with Axin1, the scaffold protein of the disruption complex of the Wnt/β-catenin signaling pathway, and directly mediated Met regulation of Wnt/β-catenin signaling pathway and feather follicle development. CONCLUSIONS PGAM5 binding to Axin1 mediates the regulation of Wnt/β-catenin signaling pathway, and promotes feather follicle development and feather growth of broiler chickens through Met supplementation. These results provide theoretical support for the improvement of economic value and production efficiency of broiler chickens.
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Affiliation(s)
- Sheng Zhang
- College of Animal Science, Guangdong Provincial Key Laboratory of Animal Nutrition Control, Guangdong Laboratory for Lingnan Modern Agriculture, State Key Laboratory of Swine and Poultry Breeding Industry, South China Agricultural University, Guangzhou, 510642, China
| | - Yijun Chen
- College of Animal Science, Guangdong Provincial Key Laboratory of Animal Nutrition Control, Guangdong Laboratory for Lingnan Modern Agriculture, State Key Laboratory of Swine and Poultry Breeding Industry, South China Agricultural University, Guangzhou, 510642, China
| | - Yaxue Lv
- College of Animal Science, Guangdong Provincial Key Laboratory of Animal Nutrition Control, Guangdong Laboratory for Lingnan Modern Agriculture, State Key Laboratory of Swine and Poultry Breeding Industry, South China Agricultural University, Guangzhou, 510642, China
| | - Yuqing Feng
- College of Animal Science, Guangdong Provincial Key Laboratory of Animal Nutrition Control, Guangdong Laboratory for Lingnan Modern Agriculture, State Key Laboratory of Swine and Poultry Breeding Industry, South China Agricultural University, Guangzhou, 510642, China
| | - Chunqi Gao
- College of Animal Science, Guangdong Provincial Key Laboratory of Animal Nutrition Control, Guangdong Laboratory for Lingnan Modern Agriculture, State Key Laboratory of Swine and Poultry Breeding Industry, South China Agricultural University, Guangzhou, 510642, China.
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Rojo AI, Buttari B, Cadenas S, Carlos AR, Cuadrado A, Falcão AS, López MG, Georgiev MI, Grochot-Przeczek A, Gumeni S, Jimenez-Villegas J, Horbanczuk JO, Konu O, Lastres-Becker I, Levonen AL, Maksimova V, Michaeloudes C, Mihaylova LV, Mickael ME, Milisav I, Miova B, Rada P, Santos M, Seabra MC, Strac DS, Tenreiro S, Trougakos IP, Dinkova-Kostova AT. Model organisms for investigating the functional involvement of NRF2 in non-communicable diseases. Redox Biol 2025; 79:103464. [PMID: 39709790 PMCID: PMC11733061 DOI: 10.1016/j.redox.2024.103464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2024] [Revised: 11/26/2024] [Accepted: 12/08/2024] [Indexed: 12/24/2024] Open
Abstract
Non-communicable chronic diseases (NCDs) are most commonly characterized by age-related loss of homeostasis and/or by cumulative exposures to environmental factors, which lead to low-grade sustained generation of reactive oxygen species (ROS), chronic inflammation and metabolic imbalance. Nuclear factor erythroid 2-like 2 (NRF2) is a basic leucine-zipper transcription factor that regulates the cellular redox homeostasis. NRF2 controls the expression of more than 250 human genes that share in their regulatory regions a cis-acting enhancer termed the antioxidant response element (ARE). The products of these genes participate in numerous functions including biotransformation and redox homeostasis, lipid and iron metabolism, inflammation, proteostasis, as well as mitochondrial dynamics and energetics. Thus, it is possible that a single pharmacological NRF2 modulator might mitigate the effect of the main hallmarks of NCDs, including oxidative, proteostatic, inflammatory and/or metabolic stress. Research on model organisms has provided tremendous knowledge of the molecular mechanisms by which NRF2 affects NCDs pathogenesis. This review is a comprehensive summary of the most commonly used model organisms of NCDs in which NRF2 has been genetically or pharmacologically modulated, paving the way for drug development to combat NCDs. We discuss the validity and use of these models and identify future challenges.
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Affiliation(s)
- Ana I Rojo
- Department of Biochemistry, Medical College, Autonomous University of Madrid (UAM), Madrid, Spain; Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain; Instituto de Investigaciones Biomédicas Sols-Morreale (CSIC-UAM), Madrid, Spain.
| | - Brigitta Buttari
- Department of Cardiovascular, Endocrine-Metabolic Diseases, and Aging, Italian National Institute of Health, 00161, Rome, Italy
| | - Susana Cadenas
- Centro de Biología Molecular Severo Ochoa (CSIC/UAM), Cantoblanco, Madrid, Spain
| | - Ana Rita Carlos
- CE3C-CHANGE, Department of Animal Biology, Faculty of Sciences, University of Lisbon, 1749-016, Lisbon, Portugal
| | - Antonio Cuadrado
- Department of Biochemistry, Medical College, Autonomous University of Madrid (UAM), Madrid, Spain; Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain; Instituto de Investigaciones Biomédicas Sols-Morreale (CSIC-UAM), Madrid, Spain
| | - Ana Sofia Falcão
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, NMS|FCM, Universidade NOVA de Lisboa, Lisboa, Portugal
| | - Manuela G López
- Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain; Instituto de Investigación Sanitaria La Princesa, Hospital Universitario de la Princesa, Madrid, Spain
| | - Milen I Georgiev
- Department of Plant Cell Biotechnology, Center of Plant Systems Biology and Biotechnology, 4000, Plovdiv, Bulgaria; Laboratory of Metabolomics, Institute of Microbiology, Bulgarian Academy of Sciences, 139 Ruski Blvd., 4000, Plovdiv, Bulgaria
| | - Anna Grochot-Przeczek
- Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
| | - Sentiljana Gumeni
- Department of Cell Biology and Biophysics, Faculty of Biology, National and Kapodistrian University of Athens, Athens, 15784, Greece
| | - José Jimenez-Villegas
- Department of Biochemistry, Medical College, Autonomous University of Madrid (UAM), Madrid, Spain; Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain; Instituto de Investigaciones Biomédicas Sols-Morreale (CSIC-UAM), Madrid, Spain
| | - Jarosław Olav Horbanczuk
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology, 36A Postępu, Jastrzębiec, 05-552, Poland
| | - Ozlen Konu
- Department of Molecular Biology and Genetics, Bilkent University, Ankara, Turkey; Department of Neuroscience, Bilkent University, Ankara, Turkey; UNAM-Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Turkey
| | - Isabel Lastres-Becker
- Department of Biochemistry, Medical College, Autonomous University of Madrid (UAM), Madrid, Spain; Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain; Institute Teófilo Hernando for Drug Discovery, Universidad Autónoma de Madrid, 28029, Madrid, Spain; Instituto de Investigaciones Biomédicas Sols-Morreale (CSIC-UAM), Madrid, Spain
| | - Anna-Liisa Levonen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, P.O. Box 1627, FI-70210, Kuopio, Finland
| | - Viktorija Maksimova
- Department of Applied Pharmacy, Division of Pharmacy, Faculty of Medical Sciences, Goce Delcev University, Stip, Krste Misirkov Str., No. 10-A, P.O. Box 201, 2000, Stip, Macedonia
| | | | - Liliya V Mihaylova
- Department of Plant Cell Biotechnology, Center of Plant Systems Biology and Biotechnology, 4000, Plovdiv, Bulgaria; Laboratory of Metabolomics, Institute of Microbiology, Bulgarian Academy of Sciences, 139 Ruski Blvd., 4000, Plovdiv, Bulgaria
| | - Michel Edwar Mickael
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology, 36A Postępu, Jastrzębiec, 05-552, Poland
| | - Irina Milisav
- Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Zaloska 4, 1000, Ljubljana, Slovenia; Laboratory of oxidative stress research, Faculty of Health Sciences, University of Ljubljana, Zdravstvena pot 5, 1000, Ljubljana, Slovenia
| | - Biljana Miova
- Department of Experimental Physiology and Biochemistry, Institute of Biology, Faculty of Natural Sciences and Mathematics, University "St Cyril and Methodius", Skopje, Macedonia
| | - Patricia Rada
- Instituto de Investigaciones Biomédicas Sols-Morreale (IIBM), Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid, Madrid, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Madrid, Spain
| | - Marlene Santos
- REQUIMTE/LAQV, Escola Superior de Saúde (E2S), Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072, Porto, Portugal; Molecular Oncology & Viral Pathology, IPO-Porto Research Center (CI-IPOP), Portuguese Institute of Oncology, 4200-072, Porto, Portugal
| | - Miguel C Seabra
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, NMS|FCM, Universidade NOVA de Lisboa, Lisboa, Portugal
| | - Dubravka Svob Strac
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Ruder Boskovic Institute, 10 000, Zagreb, Croatia
| | - Sandra Tenreiro
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, NMS|FCM, Universidade NOVA de Lisboa, Lisboa, Portugal
| | - Ioannis P Trougakos
- Department of Cell Biology and Biophysics, Faculty of Biology, National and Kapodistrian University of Athens, Athens, 15784, Greece
| | - Albena T Dinkova-Kostova
- Jacqui Wood Cancer Centre, Division of Cancer Research, School of Medicine, University of Dundee, Dundee, UK; Department of Pharmacology and Molecular Sciences and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Chandra A, Kesavardhana S. PANoptosis Regulation in Reservoir Hosts of Zoonotic Viruses. Viruses 2024; 16:1733. [PMID: 39599847 PMCID: PMC11599095 DOI: 10.3390/v16111733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2024] [Revised: 10/25/2024] [Accepted: 10/31/2024] [Indexed: 11/29/2024] Open
Abstract
Zoonotic viruses originating from reservoir hosts, such as bats and birds, often cause severe illness and outbreaks amongst humans. Upon zoonotic virus transmission, infected cells mount innate immune responses that include the activation of programmed cell death pathways to recruit innate immune cells to the site of infection and eliminate viral replication niches. Different inflammatory and non-inflammatory cell death pathways, such as pyroptosis, apoptosis, necroptosis, and PANoptosis can undergo concurrent activation in humans leading to mortality and morbidity during zoonosis. While controlled activation of PANoptosis is vital for viral clearance during infection and restoring tissue homeostasis, uncontrolled PANoptosis activation results in immunopathology during zoonotic virus infections. Intriguingly, animal reservoirs of zoonotic viruses, such as bats and birds, appear to have a unique immune tolerance adaptation, allowing them to host viruses without succumbing to disease. The mechanisms facilitating high viral tolerance in bats and birds are poorly understood. In this perspective review, we discuss the regulation of PANoptotic pathways in bats and birds and indicate how they co-exist with viruses with mild clinical signs and no immunopathology. Understanding the PANoptotic machinery of bats and birds may thus assist us in devising strategies to contain zoonotic outbreaks amongst humans.
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Affiliation(s)
| | - Sannula Kesavardhana
- Department of Biochemistry, Division of Biological Sciences, Indian Institute of Science, Bengaluru 560012, India
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Zhang X, Wang X, Yin L, Wang D, Jiao H, Liu X, Zheng J. HACE1 exerts a neuroprotective role against oxidative stress in cerebral ischemia-reperfusion injury by activating the PI3K/AKT/Nrf2 pathway. Neuroscience 2024; 559:249-262. [PMID: 39244008 DOI: 10.1016/j.neuroscience.2024.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 08/26/2024] [Accepted: 09/01/2024] [Indexed: 09/09/2024]
Abstract
HECT domain and Ankyrin repeat-containing E3 ubiquitin protein ligase 1 (HACE1) is an E3 ubiquitin ligase involving oxidative stress, an important contributor in cerebral ischemia-reperfusion injury (CIRI). It was proposed to be associated with the PI3K/AKT pathway and Nrf2 nuclear translocation, which are important players of oxidative stress. Therefore, we supposed that HACE1 might affect CIRI by regulating the PI3K/AKT/Nrf2 pathway. Here, we used the transient middle cerebral artery occlusion-reperfusion (tMCAO/R) model to induce CIRI in rats and found lower HACE1 expression in ischemic rats compared with the control. To explore the exact role of HACE1, the lentivirus vector carrying the HACE1 sequence was administrated to rats by intracerebroventricular injection (1 × 109 TU/mL, 9 μL) one week before tMCAO/R operation. HACE1 overexpression alleviated tMCAO/R-induced brain damage in rats. Further studies revealed that it reduced oxidative stress via activating the PI3K/AKT/Nrf2 pathway, thereby inhibiting neuronal apoptosis in the ischemic penumbra of rats with CIRI. Then, differentiated PC12 cells were cultured in oxygen-glucose deprivation-reoxygenation (OGD/R) conditions (OGD: 1 % O2, 94 % N2, and 5 % CO2; R: normal atmosphere) to simulate CIRI in vitro. Similarly, HACE1 overexpression inhibited neuronal apoptosis caused by OGD/R treatment. The PI3K inhibitor LY294002 reversed the inhibitory effects of HACE1 overexpression on oxidative stress in OGD/R-injured cells, accompanied by the inactivated AKT/Nrf2 pathway. Altogether, our results suggest that HACE1 protects against oxidative stress-induced neuronal apoptosis in CIRI by activating the PI3K/AKT/Nrf2 pathway, providing a new insight into the CIRI treatment.
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Affiliation(s)
- Xinyue Zhang
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
| | - Xiao Wang
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
| | - Le Yin
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
| | - Dan Wang
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
| | - Hong Jiao
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
| | - Xiaodan Liu
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China
| | - Jiaolin Zheng
- Department of Neurology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China.
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9
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Park MA, Whelan CJ, Ahmed S, Boeringer T, Brown J, Carson TL, Crowder SL, Gage K, Gregg C, Jeong DK, Jim HSL, Judge AR, Mason TM, Parker N, Pillai S, Qayyum A, Rajasekhara S, Rasool G, Tinsley SM, Schabath MB, Stewart P, West J, McDonald P, Permuth JB. Defining and Addressing Research Priorities in Cancer Cachexia through Transdisciplinary Collaboration. Cancers (Basel) 2024; 16:2364. [PMID: 39001427 PMCID: PMC11240731 DOI: 10.3390/cancers16132364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 06/19/2024] [Accepted: 06/24/2024] [Indexed: 07/16/2024] Open
Abstract
For many patients, the cancer continuum includes a syndrome known as cancer-associated cachexia (CAC), which encompasses the unintended loss of body weight and muscle mass, and is often associated with fat loss, decreased appetite, lower tolerance and poorer response to treatment, poor quality of life, and reduced survival. Unfortunately, there are no effective therapeutic interventions to completely reverse cancer cachexia and no FDA-approved pharmacologic agents; hence, new approaches are urgently needed. In May of 2022, researchers and clinicians from Moffitt Cancer Center held an inaugural retreat on CAC that aimed to review the state of the science, identify knowledge gaps and research priorities, and foster transdisciplinary collaborative research projects. This review summarizes research priorities that emerged from the retreat, examples of ongoing collaborations, and opportunities to move science forward. The highest priorities identified include the need to (1) evaluate patient-reported outcome (PRO) measures obtained in clinical practice and assess their use in improving CAC-related outcomes; (2) identify biomarkers (imaging, molecular, and/or behavioral) and novel analytic approaches to accurately predict the early onset of CAC and its progression; and (3) develop and test interventions (pharmacologic, nutritional, exercise-based, and through mathematical modeling) to prevent CAC progression and improve associated symptoms and outcomes.
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Affiliation(s)
- Margaret A. Park
- Department of Gastrointestinal Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
- Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Christopher J. Whelan
- Department of Metabolism and Cancer Physiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Sabeen Ahmed
- Department of Machine Learning, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (S.A.); (G.R.)
| | - Tabitha Boeringer
- Department of Drug Discovery, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (T.B.); (S.P.)
| | - Joel Brown
- Department of Cancer Biology and Evolution, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (J.B.); (J.W.)
- Department of Integrated Mathematical Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Tiffany L. Carson
- Department of Health Outcomes and Behavior, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (T.L.C.); (S.L.C.); (H.S.L.J.); (N.P.); (S.M.T.)
| | - Sylvia L. Crowder
- Department of Health Outcomes and Behavior, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (T.L.C.); (S.L.C.); (H.S.L.J.); (N.P.); (S.M.T.)
| | - Kenneth Gage
- Department of Diagnostic Imaging and Interventional Radiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (K.G.); (D.K.J.); (A.Q.)
| | - Christopher Gregg
- School of Medicine, University of Utah, Salt Lake City, UT 84113, USA;
| | - Daniel K. Jeong
- Department of Diagnostic Imaging and Interventional Radiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (K.G.); (D.K.J.); (A.Q.)
| | - Heather S. L. Jim
- Department of Health Outcomes and Behavior, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (T.L.C.); (S.L.C.); (H.S.L.J.); (N.P.); (S.M.T.)
| | - Andrew R. Judge
- Department of Physical Therapy, University of Florida, Gainesville, FL 32610, USA;
| | - Tina M. Mason
- Department of Nursing Research, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Nathan Parker
- Department of Health Outcomes and Behavior, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (T.L.C.); (S.L.C.); (H.S.L.J.); (N.P.); (S.M.T.)
| | - Smitha Pillai
- Department of Drug Discovery, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (T.B.); (S.P.)
| | - Aliya Qayyum
- Department of Diagnostic Imaging and Interventional Radiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (K.G.); (D.K.J.); (A.Q.)
| | - Sahana Rajasekhara
- Department of Supportive Care Medicine, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Ghulam Rasool
- Department of Machine Learning, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (S.A.); (G.R.)
| | - Sara M. Tinsley
- Department of Health Outcomes and Behavior, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (T.L.C.); (S.L.C.); (H.S.L.J.); (N.P.); (S.M.T.)
- Department of Malignant Hematology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Matthew B. Schabath
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Paul Stewart
- Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Jeffrey West
- Department of Cancer Biology and Evolution, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (J.B.); (J.W.)
- Department of Integrated Mathematical Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
| | - Patricia McDonald
- Department of Metabolism and Cancer Physiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
- Lexicon Pharmaceuticals, Inc., Woodlands, TX 77381, USA
| | - Jennifer B. Permuth
- Department of Gastrointestinal Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
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10
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Vágási CI, Vincze O, Adámková M, Kauzálová T, Lendvai ÁZ, Pătraş LI, Pénzes J, Pap PL, Albrecht T, Tomášek O. Songbirds avoid the oxidative stress costs of high blood glucose levels: a comparative study. J Exp Biol 2024; 227:jeb246848. [PMID: 38054362 DOI: 10.1242/jeb.246848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 11/29/2023] [Indexed: 12/07/2023]
Abstract
Chronically high blood glucose levels (hyperglycaemia) can compromise healthy ageing and lifespan at the individual level. Elevated oxidative stress can play a central role in hyperglycaemia-induced pathologies. Nevertheless, the lifespan of birds shows no species-level association with blood glucose. This suggests that the potential pathologies of high blood glucose levels can be avoided by adaptations in oxidative physiology at the macroevolutionary scale. However, this hypothesis remains unexplored. Here, we examined this hypothesis using comparative analyses controlled for phylogeny, allometry and fecundity based on data from 51 songbird species (681 individuals with blood glucose data and 1021 individuals with oxidative state data). We measured blood glucose at baseline and after stress stimulus and computed glucose stress reactivity as the magnitude of change between the two time points. We also measured three parameters of non-enzymatic antioxidants (uric acid, total antioxidants and glutathione) and a marker of oxidative lipid damage (malondialdehyde). We found no clear evidence for blood glucose concentration being correlated with either antioxidant or lipid damage levels at the macroevolutionary scale, as opposed to the hypothesis postulating that high blood glucose levels entail oxidative costs. The only exception was the moderate evidence for species with a stronger stress-induced increase in blood glucose concentration evolving moderately lower investment into antioxidant defence (uric acid and glutathione). Neither baseline nor stress-induced glucose levels were associated with oxidative physiology. Our findings support the hypothesis that birds evolved adaptations preventing the (glyc)oxidative costs of high blood glucose observed at the within-species level. Such adaptations may explain the decoupled evolution of glycaemia and lifespan in birds and possibly the paradoxical combination of long lifespan and high blood glucose levels relative to mammals.
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Affiliation(s)
- Csongor I Vágási
- Evolutionary Ecology Group, Centre for Systems Biology, Biodiversity and Bioresources, Hungarian Department of Biology and Ecology, Babeş-Bolyai University, 400006 Cluj-Napoca, Romania
| | - Orsolya Vincze
- Evolutionary Ecology Group, Centre for Systems Biology, Biodiversity and Bioresources, Hungarian Department of Biology and Ecology, Babeş-Bolyai University, 400006 Cluj-Napoca, Romania
- Wetland Ecology Research Group, HUN-REN Centre for Ecological Research, Institute of Aquatic Ecology, 4026 Debrecen, Hungary
| | - Marie Adámková
- Institute of Vertebrate Biology of the Czech Academy of Sciences, 60300 Brno, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, 61137 Brno, Czech Republic
| | - Tereza Kauzálová
- Institute of Vertebrate Biology of the Czech Academy of Sciences, 60300 Brno, Czech Republic
| | - Ádám Z Lendvai
- Department of Evolutionary Zoology, University of Debrecen, 4032 Debrecen, Hungary
| | - Laura I Pătraş
- Department of Molecular Biology and Biotechnology, Centre of Systems Biology, Biodiversity and Bioresources, Babeş-Bolyai University, 400006 Cluj-Napoca, Romania
| | - Janka Pénzes
- Evolutionary Ecology Group, Centre for Systems Biology, Biodiversity and Bioresources, Hungarian Department of Biology and Ecology, Babeş-Bolyai University, 400006 Cluj-Napoca, Romania
| | - Péter L Pap
- Evolutionary Ecology Group, Centre for Systems Biology, Biodiversity and Bioresources, Hungarian Department of Biology and Ecology, Babeş-Bolyai University, 400006 Cluj-Napoca, Romania
| | - Tomáš Albrecht
- Institute of Vertebrate Biology of the Czech Academy of Sciences, 60300 Brno, Czech Republic
- Department of Zoology, Faculty of Science, Charles University, 12800 Prague 2, Czech Republic
| | - Oldřich Tomášek
- Institute of Vertebrate Biology of the Czech Academy of Sciences, 60300 Brno, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, 61137 Brno, Czech Republic
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11
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Ng D, Pawling J, Dennis JW. Gene purging and the evolution of Neoave metabolism and longevity. J Biol Chem 2023; 299:105409. [PMID: 37918802 PMCID: PMC10722388 DOI: 10.1016/j.jbc.2023.105409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 11/04/2023] Open
Abstract
Maintenance of the proteasome requires oxidative phosphorylation (ATP) and mitigation of oxidative damage, in an increasingly dysfunctional relationship with aging. SLC3A2 plays a role on both sides of this dichotomy as an adaptor to SLC7A5, a transporter of branched-chain amino acids (BCAA: Leu, Ile, Val), and to SLC7A11, a cystine importer supplying cysteine to the synthesis of the antioxidant glutathione. Endurance in mammalian muscle depends in part on oxidation of BCAA; however, elevated serum levels are associated with insulin resistance and shortened lifespans. Intriguingly, the evolution of modern birds (Neoaves) has entailed the purging of genes including SLC3A2, SLC7A5, -7, -8, -10, and SLC1A4, -5, largely removing BCAA exchangers and their interacting Na+/Gln symporters in pursuit of improved energetics. Additional gene purging included mitochondrial BCAA aminotransferase (BCAT2), pointing to reduced oxidation of BCAA and increased hepatic conversion to triglycerides and glucose. Fat deposits are anhydrous and highly reduced, maximizing the fuel/weight ratio for prolonged flight, but fat accumulation in muscle cells of aging humans contributes to inflammation and senescence. Duplications of the bidirectional α-ketoacid transporters SLC16A3, SLC16A7, the cystine transporters SLC7A9, SLC7A11, and N-glycan branching enzymes MGAT4B, MGAT4C in Neoaves suggests a shift to the transport of deaminated essential amino acid, and stronger mitigation of oxidative stress supported by the galectin lattice. We suggest that Alfred Lotka's theory of natural selection as a maximum power organizer (PNAS 8:151,1922) made an unusually large contribution to Neoave evolution. Further molecular analysis of Neoaves may reveal novel rewiring with applications for human health and longevity.
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Affiliation(s)
- Deanna Ng
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Judy Pawling
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - James W Dennis
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada; Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto Ontario, Canada.
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12
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Romero-Haro AA, Figuerola J, Alonso-Alvarez C. Low Antioxidant Glutathione Levels Lead to Longer Telomeres: A Sex-Specific Link to Longevity? Integr Org Biol 2023; 5:obad034. [PMID: 37753451 PMCID: PMC10519275 DOI: 10.1093/iob/obad034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/22/2023] [Accepted: 08/29/2023] [Indexed: 09/28/2023] Open
Abstract
Telomeres are repetitive DNA sequences at the end of chromosomes that protect them from degradation. They have been the focus of intense research because short telomeres would predict accelerated ageing and reduced longevity in vertebrates. Oxidative stress is considered a physiological driver of the telomere shortening and, consequently, short lifespan. Among molecules fighting against oxidative stress, glutathione is involved in many antioxidant pathways. Literature supports that oxidative stress may trigger a compensatory "hormetic" response increasing glutathione levels and telomere length. Here, we tested the link between total glutathione concentration and telomere length in captive birds (zebra finches; Taeniopygia guttata). Total glutathione levels were experimentally decreased during birds' growth using a specific inhibitor of glutathione synthesis (buthionine sulfoximine; BSO). We monitored the birds' reproductive performance in an outdoor aviary during the first month of life, and their longevity for almost 9 years. Among control individuals, erythrocyte glutathione levels during development positively predicted erythrocyte telomere length in adulthood. However, BSO-treated females, but not males, showed longer telomeres than control females in adulthood. This counterintuitive finding suggests that females mounted a compensatory response. Such compensation agrees with precedent findings in the same population where the BSO treatment increased growth and adult body mass in females but not males. BSO did not influence longevity or reproductive output in any sex. However, early glutathione levels and adult telomere length interactively predicted longevity only among control females. Those females with "naturally" low (non-manipulated) glutathione levels at the nestling age but capable of producing longer telomeres in adulthood seem to live longer. The results suggest that the capability to mount a hormetic response triggered by low early glutathione levels can improve fitness via telomere length. Overall, the results may indicate a sex-specific link between glutathione and telomere values. Telomerase activity and sexual steroids (estrogens) are good candidates to explain the sex-biased mechanism underlying the early-life impact of oxidative stress on adult telomere length.
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Affiliation(s)
- A A Romero-Haro
- Instituto de Investigación en Recursos Cinegéticos (IREC), CSIC-UCLM-JCCM, Ronda de Toledo 12, 13071Ciudad Real, 41092 Sevilla, Spain
| | - J Figuerola
- Estación Biológica de Doñana—CSIC, Sevilla, 28029 Madrid, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - C Alonso-Alvarez
- Evolutionary Ecology Department, National Museum of Natural Sciences (MNCN-CSIC), C/José Gutiérrez Abascal 2, 28006 Madrid, Spain
- Instituto Pirenaico de Ecología (IPE-CSIC) Avda. Nuestra Señora de la Victoria, 16. 22700 Jaca, Huesca, Spain
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13
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Le NT. Metabolic regulation of endothelial senescence. Front Cardiovasc Med 2023; 10:1232681. [PMID: 37649668 PMCID: PMC10464912 DOI: 10.3389/fcvm.2023.1232681] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/18/2023] [Indexed: 09/01/2023] Open
Abstract
Endothelial cell (EC) senescence is increasingly recognized as a significant contributor to the development of vascular dysfunction and age-related disorders and diseases, including cancer and cardiovascular diseases (CVD). The regulation of cellular senescence is known to be influenced by cellular metabolism. While extensive research has been conducted on the metabolic regulation of senescence in other cells such as cancer cells and fibroblasts, our understanding of the metabolic regulation of EC senescence remains limited. The specific metabolic changes that drive EC senescence are yet to be fully elucidated. The objective of this review is to provide an overview of the intricate interplay between cellular metabolism and senescence, with a particular emphasis on recent advancements in understanding the metabolic changes preceding cellular senescence. I will summarize the current knowledge on the metabolic regulation of EC senescence, aiming to offer insights into the underlying mechanisms and future research directions.
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Affiliation(s)
- Nhat-Tu Le
- Center for Cardiovascular Regeneration, Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
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14
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Kapsetaki SE, Basile AJ, Compton ZT, Rupp SM, Duke EG, Boddy AM, Harrison TM, Sweazea KL, Maley CC. The relationship between diet, plasma glucose, and cancer prevalence across vertebrates. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.31.551378. [PMID: 37577544 PMCID: PMC10418110 DOI: 10.1101/2023.07.31.551378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Could diet and mean plasma glucose concentration (MPGluC) explain the variation in cancer prevalence across species? We collected diet, MPGluC, and neoplasia data for 160 vertebrate species from existing databases. We found that MPGluC negatively correlates with cancer and neoplasia prevalence, mostly of gastrointestinal organs. Trophic level positively correlates with cancer and neoplasia prevalence even after controlling for species MPGluC. Most species with high MPGluC (50/78 species = 64.1%) were birds. Most species in high trophic levels (42/53 species = 79.2%) were reptiles and mammals. Our results may be explained by the evolution of insulin resistance in birds which selected for loss or downregulation of genes related to insulin-mediated glucose import in cells. This led to higher MPGluC, intracellular caloric restriction, production of fewer reactive oxygen species and inflammatory cytokines, and longer telomeres contributing to longer longevity and lower neoplasia prevalence in extant birds relative to other vertebrates.
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Affiliation(s)
- Stefania E Kapsetaki
- Arizona Cancer Evolution Center, Arizona State University, Tempe, AZ, USA
- Center for Biocomputing, Security and Society, Biodesign Institute, Arizona State University, Tempe, AZ, USA
- Tufts University, School of Arts and Sciences, Department of Biology, Medford, MA, USA
| | - Anthony J Basile
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA
- School of Life Sciences, 427 East Tyler Mall, Arizona State University, Tempe, Arizona, USA
| | - Zachary T Compton
- Arizona Cancer Evolution Center, Arizona State University, Tempe, AZ, USA
- Center for Biocomputing, Security and Society, Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Shawn M Rupp
- Arizona Cancer Evolution Center, Arizona State University, Tempe, AZ, USA
- Center for Biocomputing, Security and Society, Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Elizabeth G Duke
- Arizona Cancer Evolution Center, Arizona State University, Tempe, AZ, USA
- Department of Clinical Sciences, North Carolina State University, Raleigh, NC, 27607 USA
- Exotic Species Cancer Research Alliance, North Carolina State University, Raleigh, NC, 27607 USA
| | - Amy M Boddy
- Arizona Cancer Evolution Center, Arizona State University, Tempe, AZ, USA
- Department of Anthropology, University of California Santa Barbara, CA, USA
| | - Tara M Harrison
- Arizona Cancer Evolution Center, Arizona State University, Tempe, AZ, USA
- Department of Clinical Sciences, North Carolina State University, Raleigh, NC, 27607 USA
- Exotic Species Cancer Research Alliance, North Carolina State University, Raleigh, NC, 27607 USA
| | - Karen L Sweazea
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA
- College of Health Solutions, Arizona State University, Phoenix, AZ, USA
| | - Carlo C Maley
- Arizona Cancer Evolution Center, Arizona State University, Tempe, AZ, USA
- Center for Biocomputing, Security and Society, Biodesign Institute, Arizona State University, Tempe, AZ, USA
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15
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Yumimoto K, Sugiyama S, Motomura S, Takahashi D, Nakayama KI. Molecular evolution of Keap1 was essential for adaptation of vertebrates to terrestrial life. SCIENCE ADVANCES 2023; 9:eadg2379. [PMID: 37205751 DOI: 10.1126/sciadv.adg2379] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 04/14/2023] [Indexed: 05/21/2023]
Abstract
Reactive oxygen species (ROS) posed a risk for the transition of vertebrates from aquatic to terrestrial life. How ancestral organisms adapted to such ROS exposure has remained a mystery. Here, we show that attenuation of the activity of the ubiquitin ligase CRL3Keap1 for the transcription factor Nrf2 during evolution was key to development of an efficient response to ROS exposure. The Keap1 gene was duplicated in fish to give rise to Keap1A and the only remaining mammalian paralog Keap1B, the latter of which shows a lower affinity for Cul3 and contributes to robust Nrf2 induction in response to ROS exposure. Mutation of mammalian Keap1 to resemble zebrafish Keap1A resulted in an attenuated Nrf2 response, and most knock-in mice expressing such a Keap1 mutant died on exposure as neonates to sunlight-level ultraviolet radiation. Our results suggest that molecular evolution of Keap1 was essential for adaptation to terrestrial life.
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Affiliation(s)
- Kanae Yumimoto
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Shigeaki Sugiyama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Saori Motomura
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Daisuke Takahashi
- Department of Protein Structure, Function, and Design, Graduate School of Pharmaceutical Science, Kyushu University, Fukuoka 812-8582, Japan
| | - Keiichi I Nakayama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
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16
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Bian L, Nguyen VT, Tamaoki J, Endo Y, Dong G, Sato A, Kobayashi M. Genetic hyperactivation of Nrf2 causes larval lethality in Keap1a and Keap1b-double-knockout zebrafish. Redox Biol 2023; 62:102673. [PMID: 36934645 PMCID: PMC10031532 DOI: 10.1016/j.redox.2023.102673] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/15/2023] Open
Abstract
The Keap1-Nrf2 pathway is an evolutionarily conserved mechanism that protects cells from oxidative stress and electrophiles. Keap1 is a repressor of Nrf2 in normal cellular conditions but also a stress sensor for Nrf2 activation. Interestingly, fish and amphibians have two Keap1s (Keap1a and Keap1b), of which Keap1b is the ortholog of mammalian Keap1. Keap1a, on the other hand, is a gene found only in fish and amphibians, having been lost during the evolution to amniotes. We have previously shown that keap1b-knockout zebrafish have increased Nrf2 activity and reduced response to certain Nrf2-activating compounds but that they grow normally to adulthood. This may be because the remaining keap1a suppresses the hyperactivation of Nrf2, which is responsible for the post-natal lethality of Keap1-knockout mice. In this study, we analyzed keap1a;keap1b-double-knockout zebrafish to test this hypothesis. We found that keap1a;keap1b-double-knockout zebrafish, like Keap1-knockout mice, showed eating defects and were lethal within a week of hatching. Genetic introduction of the Nrf2 mutation rescued both the eating defects and the larval lethality, indicating that Nrf2 hyperactivation is the cause. However, unlike Keap1-knockout mice, keap1a;keap1b-double-knockout zebrafish showed no physical blockage of the food pathway; moreover, the cause of death was not directly related to eating defects. RNA-sequencing analysis revealed that keap1a;keap1b-double-knockout larvae showed extraordinarily high expression of known Nrf2-target genes as well as decreased expression of visual cycle genes. Finally, trigonelline or brusatol partially rescued the lethality of keap1a;keap1b-double-knockout larvae, suggesting that they can serve as an in vivo evaluation system for Nrf2-inhibiting compounds.
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Affiliation(s)
- Lixuan Bian
- Department of Molecular and Developmental Biology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8575, Japan
| | - Vu Thanh Nguyen
- Department of Molecular and Developmental Biology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8575, Japan; Division of Aquaculture Biotechnology, Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Viet Nam
| | - Junya Tamaoki
- Department of Molecular and Developmental Biology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8575, Japan
| | - Yuka Endo
- Department of Molecular and Developmental Biology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8575, Japan
| | - Guilin Dong
- Department of Molecular and Developmental Biology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8575, Japan
| | - Ayaka Sato
- Department of Molecular and Developmental Biology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8575, Japan
| | - Makoto Kobayashi
- Department of Molecular and Developmental Biology, Institute of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8575, Japan.
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17
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Zinovkin RA, Kondratenko ND, Zinovkina LA. Does Nrf2 Play a Role of a Master Regulator of Mammalian Aging? BIOCHEMISTRY. BIOKHIMIIA 2022; 87:1465-1476. [PMID: 36717440 DOI: 10.1134/s0006297922120045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
For a long time Nrf2 transcription factor has been attracting attention of researchers investigating phenomenon of aging. Numerous studies have investigated effects of Nrf2 on aging and cell senescence. Nrf2 is often considered as a key player in aging processes, however this needs to be proven. It should be noted that most studies were carried out on invertebrate model organisms, such as nematodes and fruit flies, but not on mammals. This paper briefly presents main mechanisms of mammalian aging and role of inflammation and oxidative stress in this process. The mechanisms of Nrf2 activity regulation, its involvement in aging and development of the senescence-associated secretory phenotype (SASP) are also discussed. Main part of this review is devoted to critical analysis of available experimental data on the role of Nrf2 in mammalian aging.
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Affiliation(s)
- Roman A Zinovkin
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia.
- Russian Clinical Research Center for Gerontology, Ministry of Healthcare of the Russian Federation, Pirogov Russian National Research Medical University, Moscow, 129226, Russia
| | - Natalia D Kondratenko
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
- Russian Clinical Research Center for Gerontology, Ministry of Healthcare of the Russian Federation, Pirogov Russian National Research Medical University, Moscow, 129226, Russia
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Ludmila A Zinovkina
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, 119991, Russia
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Marton A, Vágási CI, Vincze O, Bókony V, Pap PL, Pătraș L, Pénzes J, Bărbos L, Fülöp A, Osváth G, Ducatez S, Giraudeau M. Oxidative physiology is weakly associated with pigmentation in birds. Ecol Evol 2022; 12:e9177. [PMID: 35979521 PMCID: PMC9366753 DOI: 10.1002/ece3.9177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022] Open
Abstract
The mechanistic link between avian oxidative physiology and plumage coloration has attracted considerable attention in past decades. Hence, multiple proximal hypotheses were proposed to explain how oxidative state might covary with the production of melanin and carotenoid pigments. Some hypotheses underscore that these pigments (or their precursors, e.g., glutathione) have antioxidant capacities or function as molecules storing the toxic excess of intracellular compounds, while others highlight that these pigments can act as pro-oxidants under specific conditions. Most studies addressing these associations are at the intraspecific level, while phylogenetic comparative studies are still scarce, though needed to assess the generality of these associations. Here, we tested whether plumage and bare part coloration were related to oxidative physiology at an interspecific level by measuring five oxidative physiology markers (three nonenzymatic antioxidants and two markers of lipid peroxidative damage) in 1387 individuals of 104 European bird species sampled during the breeding season, and by scoring plumage eumelanin, pheomelanin, and carotenoid content for each sex and species. Only the plasma level of reactive oxygen metabolites was related to melanin coloration, being positively associated with eumelanin score and negatively with pheomelanin score. Thus, our results do not support the role of antioxidant glutathione in driving variation in melanin synthesis across species. Furthermore, the carotenoid scores of feathers and bare parts were unrelated to the measured oxidative physiology parameters, further suggesting that the marked differences in pigmentation across birds does not influence their oxidative state.
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Affiliation(s)
- Attila Marton
- Evolutionary Ecology Group, Hungarian Department of Biology and EcologyBabeș‐Bolyai UniversityCluj‐NapocaRomania
- Department of Evolutionary Zoology and Human BiologyUniversity of DebrecenDebrecenHungary
| | - Csongor I. Vágási
- Evolutionary Ecology Group, Hungarian Department of Biology and EcologyBabeș‐Bolyai UniversityCluj‐NapocaRomania
| | - Orsolya Vincze
- Evolutionary Ecology Group, Hungarian Department of Biology and EcologyBabeș‐Bolyai UniversityCluj‐NapocaRomania
- Institute of Aquatic EcologyCentre for Ecological ResearchDebrecenHungary
| | - Veronika Bókony
- Lendület Evolutionary Ecology Research GroupPlant Protection Institute, Centre for Agricultural Research, Eötvös Loránd Research NetworkBudapestHungary
| | - Péter L. Pap
- Evolutionary Ecology Group, Hungarian Department of Biology and EcologyBabeș‐Bolyai UniversityCluj‐NapocaRomania
| | - Laura Pătraș
- Department of Molecular Biology and BiotechnologyBabeş‐Bolyai UniversityCluj‐NapocaRomania
| | - Janka Pénzes
- Evolutionary Ecology Group, Hungarian Department of Biology and EcologyBabeș‐Bolyai UniversityCluj‐NapocaRomania
| | - Lőrinc Bărbos
- Milvus Group Bird and Nature Protection AssociationTârgu MureșRomania
| | - Attila Fülöp
- Evolutionary Ecology Group, Hungarian Department of Biology and EcologyBabeș‐Bolyai UniversityCluj‐NapocaRomania
- MTA‐DE Behavioural Ecology Research Group, Department of Evolutionary Zoology and Human BiologyUniversity of DebrecenDebrecenHungary
| | - Gergely Osváth
- Evolutionary Ecology Group, Hungarian Department of Biology and EcologyBabeș‐Bolyai UniversityCluj‐NapocaRomania
- Museum of ZoologyBabeş‐Bolyai UniversityCluj‐NapocaRomania
| | - Simon Ducatez
- Institut de Recherche pour le Développement (IRD) – UMR 241 EIO (UPF, IRD, Ifremer, ILM)TahitiFrench Polynesia
| | - Mathieu Giraudeau
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS – La Rochelle UniversitéLa RochelleFrance
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19
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Eisenstein A, Hilliard BK, Pope SD, Zhang C, Taskar P, Waizman DA, Israni-Winger K, Tian H, Luan HH, Wang A. Activation of the transcription factor NRF2 mediates the anti-inflammatory properties of a subset of over-the-counter and prescription NSAIDs. Immunity 2022; 55:1082-1095.e5. [PMID: 35588739 PMCID: PMC9205175 DOI: 10.1016/j.immuni.2022.04.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/08/2022] [Accepted: 04/21/2022] [Indexed: 12/21/2022]
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) inhibit cyclooxygenase (COX) enzymes and are ubiquitously used for their anti-inflammatory properties. However, COX inhibition alone fails to explain numerous clinical outcomes of NSAID usage. Screening commonly used NSAIDs in primary human and murine myeloid cells demonstrated that NSAIDs could be differentiated by their ability to induce growth/differentiation factor 15 (GDF15), independent of COX specificity. Using genetic and pharmacologic approaches, NSAID-mediated GDF15 induction was dependent on the activation of nuclear factor erythroid 2-related factor 2 (NRF2) in myeloid cells. Sensing by Cysteine 151 of the NRF2 chaperone, Kelch-like ECH-associated protein 1 (KEAP1) was required for NSAID activation of NRF2 and subsequent anti-inflammatory effects both in vitro and in vivo. Myeloid-specific deletion of NRF2 abolished NSAID-mediated tissue protection in murine models of gout and endotoxemia. This highlights a noncanonical NRF2-dependent mechanism of action for the anti-inflammatory activity of a subset of commonly used NSAIDs.
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Affiliation(s)
- Anna Eisenstein
- Department of Dermatology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Brandon K Hilliard
- Department of Internal Medicine and Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Scott D Pope
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA; Howard Hughes Medical Institute, New Haven, CT, USA
| | - Cuiling Zhang
- Department of Internal Medicine and Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Pranali Taskar
- NGM Biopharmaceuticals, South San Francisco, CA 94080, USA
| | - Daniel A Waizman
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA
| | | | - Hui Tian
- NGM Biopharmaceuticals, South San Francisco, CA 94080, USA
| | - Harding H Luan
- NGM Biopharmaceuticals, South San Francisco, CA 94080, USA.
| | - Andrew Wang
- Department of Internal Medicine and Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA.
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20
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Guth S, Mollentze N, Renault K, Streicker DG, Visher E, Boots M, Brook CE. Bats host the most virulent-but not the most dangerous-zoonotic viruses. Proc Natl Acad Sci U S A 2022; 119:e2113628119. [PMID: 35349342 DOI: 10.1101/2021.07.25.453574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023] Open
Abstract
SignificanceThe clear need to mitigate zoonotic risk has fueled increased viral discovery in specific reservoir host taxa. We show that a combination of viral and reservoir traits can predict zoonotic virus virulence and transmissibility in humans, supporting the hypothesis that bats harbor exceptionally virulent zoonoses. However, pandemic prevention requires thinking beyond zoonotic capacity, virulence, and transmissibility to consider collective "burden" on human health. For this, viral discovery targeting specific reservoirs may be inefficient as death burden correlates with viral, not reservoir, traits, and depends on context-specific epidemiological dynamics across and beyond the human-animal interface. These findings suggest that longitudinal studies of viral dynamics in reservoir and spillover host populations may offer the most effective strategy for mitigating zoonotic risk.
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Affiliation(s)
- Sarah Guth
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
| | - Nardus Mollentze
- Medical Research Council-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, United Kingdom
| | - Katia Renault
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
| | - Daniel G Streicker
- Medical Research Council-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, United Kingdom
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Elisa Visher
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
| | - Mike Boots
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
- Centre for Ecology and Conservation, University of Exeter, Exeter TR10 9FE, United Kingdom
| | - Cara E Brook
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
- Department of Ecology and Evolution, University of Chicago, Chicago, IL 60637
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21
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Guth S, Mollentze N, Renault K, Streicker DG, Visher E, Boots M, Brook CE. Bats host the most virulent-but not the most dangerous-zoonotic viruses. Proc Natl Acad Sci U S A 2022; 119:e2113628119. [PMID: 35349342 PMCID: PMC9168486 DOI: 10.1073/pnas.2113628119] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 02/09/2022] [Indexed: 01/06/2023] Open
Abstract
SignificanceThe clear need to mitigate zoonotic risk has fueled increased viral discovery in specific reservoir host taxa. We show that a combination of viral and reservoir traits can predict zoonotic virus virulence and transmissibility in humans, supporting the hypothesis that bats harbor exceptionally virulent zoonoses. However, pandemic prevention requires thinking beyond zoonotic capacity, virulence, and transmissibility to consider collective "burden" on human health. For this, viral discovery targeting specific reservoirs may be inefficient as death burden correlates with viral, not reservoir, traits, and depends on context-specific epidemiological dynamics across and beyond the human-animal interface. These findings suggest that longitudinal studies of viral dynamics in reservoir and spillover host populations may offer the most effective strategy for mitigating zoonotic risk.
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Affiliation(s)
- Sarah Guth
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
| | - Nardus Mollentze
- Medical Research Council–University of Glasgow Centre for Virus Research, Glasgow G61 1QH, United Kingdom
| | - Katia Renault
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
| | - Daniel G. Streicker
- Medical Research Council–University of Glasgow Centre for Virus Research, Glasgow G61 1QH, United Kingdom
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Elisa Visher
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
| | - Mike Boots
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
- Centre for Ecology and Conservation, University of Exeter, Exeter TR10 9FE, United Kingdom
| | - Cara E. Brook
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720
- Department of Ecology and Evolution, University of Chicago, Chicago, IL 60637
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22
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Burraco P, Rendón MA, Díaz‐Paniagua C, Gomez‐Mestre I. Maintenance of phenotypic plasticity is linked to oxidative stress in spadefoot toad larvae. OIKOS 2022. [DOI: 10.1111/oik.09078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Pablo Burraco
- Doñana Biological Station (CSIC) Seville Spain
- Inst. of Biodiversity, Animal Health and Comparative Medicine, Univ. of Glasgow Glasgow UK
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23
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Lai Y, Masatoshi H, Ma Y, Guo Y, Zhang B. Role of Vitamin K in Intestinal Health. Front Immunol 2022; 12:791565. [PMID: 35069573 PMCID: PMC8769504 DOI: 10.3389/fimmu.2021.791565] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 12/02/2021] [Indexed: 12/12/2022] Open
Abstract
Intestinal diseases, such as inflammatory bowel diseases (IBDs) and colorectal cancer (CRC) generally characterized by clinical symptoms, including malabsorption, intestinal dysfunction, injury, and microbiome imbalance, as well as certain secondary intestinal disease complications, continue to be serious public health problems worldwide. The role of vitamin K (VK) on intestinal health has drawn growing interest in recent years. In addition to its role in blood coagulation and bone health, several investigations continue to explore the role of VK as an emerging novel biological compound with the potential function of improving intestinal health. This study aims to present a thorough review on the bacterial sources, intestinal absorption, uptake of VK, and VK deficiency in patients with intestinal diseases, with emphasis on the effect of VK supplementation on immunity, anti-inflammation, intestinal microbes and its metabolites, antioxidation, and coagulation, and promoting epithelial development. Besides, VK-dependent proteins (VKDPs) are another crucial mechanism for VK to exert a gastroprotection role for their functions of anti-inflammation, immunomodulation, and anti-tumorigenesis. In summary, published studies preliminarily show that VK presents a beneficial effect on intestinal health and may be used as a therapeutic drug to prevent/treat intestinal diseases, but the specific mechanism of VK in intestinal health has yet to be elucidated.
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Affiliation(s)
- Yujiao Lai
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Hori Masatoshi
- Department of Veterinary Pharmacology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yanbo Ma
- Department of Animal Physiology, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, China
| | - Yuming Guo
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Bingkun Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
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24
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Shilovsky GA. Lability of the Nrf2/Keap/ARE Cell Defense System in Different Models of Cell Aging and Age-Related Pathologies. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:70-85. [PMID: 35491021 DOI: 10.1134/s0006297922010060] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/10/2021] [Accepted: 12/10/2021] [Indexed: 06/14/2023]
Abstract
The level of oxidative stress in an organism increases with age. Accumulation of damages resulting in the disruption of genome integrity can be the cause of many age-related diseases and appearance of phenotypic and physiological signs of aging. In this regard, the Nrf2 system, which regulates expression of numerous enzymes responsible for the antioxidant defense and detoxification, is of great interest. This review summarizes and analyzes the data on the age-related changes in the Nrf2 system in vivo and in vitro in various organs and tissues. Analysis of published data suggests that the capacity for Nrf2 activation (triggered by the increased level of oxidative stress) steadily declines with age. At the same time, changes in the Nrf2 activity under the stress-free conditions do not have such unambiguous directionality; in many studies, these changes were statistically insignificant, although it is commonly accepted that the level of oxidative stress steadily increases with aging. This review examines the role of cell regulatory systems limiting the ability of Nrf2 to respond to oxidative stress. Senescent cells are extremely susceptible to the oxidative damage due to the impaired Nrf2 signaling. Activation of the Nrf2 pathway is a promising target for new pharmacological or genetic therapeutic strategies. Suppressors of the Nrf2 expression, such as Keap1, GSK3, c-Myc, and Bach1, may contribute to the age-related impairments in the induction of Nrf2-regulated antioxidant genes. Understanding the mechanisms of regulatory cascades linking the programs responsible for the maintenance of homeostasis and cell response to the oxidative stress will contribute to the elucidation of molecular mechanisms underlying aging and longevity.
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Affiliation(s)
- Gregory A Shilovsky
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia.
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
- Institute for Information Transmission Problems, Russian Academy of Sciences, Moscow, 127051, Russia
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25
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DeMoranville KJ, Carter WA, Pierce BJ, McWilliams SR. Flight and dietary antioxidants influence antioxidant expression and activity in a migratory bird. Integr Org Biol 2021; 4:obab035. [PMID: 35112051 PMCID: PMC8802218 DOI: 10.1093/iob/obab035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 11/05/2021] [Accepted: 12/23/2021] [Indexed: 11/17/2022] Open
Abstract
Ecologically relevant factors such as exercise and diet quality can directly influence how physiological systems work including those involved in maintaining oxidative balance; however, to our knowledge, no studies to date have focused on how such factors directly affect expression of key components of the endogenous antioxidant system (i.e., transcription factors, select antioxidant genes, and corresponding antioxidant enzymes) in several metabolically active tissues of a migratory songbird. We conducted a three-factor experiment that tested the following hypotheses: (H1) Daily flying over several weeks increases the expression of transcription factors NRF2 and PPARs as well as endogenous antioxidant genes (i.e., CAT, SOD1, SOD2, GPX1, GPX4), and upregulates endogenous antioxidant enzyme activities (i.e., CAT, SOD, GPx). (H2) Songbirds fed diets composed of more 18:2n-6 PUFA are more susceptible to oxidative damage and thus upregulate their endogenous antioxidant system compared with when fed diets with less PUFA. (H3) Songbirds fed dietary anthocyanins gain additional antioxidant protection and thus upregulate their endogenous antioxidant system less compared with songbirds not fed anthocyanins. Flight training increased the expression of 3 of the 6 antioxidant genes and transcription factors measured in the liver, consistent with H1, but for only one gene (SOD2) in the pectoralis. Dietary fat quality had no effect on antioxidant pathways (H2), whereas dietary anthocyanins increased the expression of select antioxidant enzymes in the pectoralis, but not in the liver (H3). These tissue-specific differences in response to flying and dietary antioxidants are likely explained by functional differences between tissues as well as fundamental differences in their turnover rates. The consumption of dietary antioxidants along with regular flying enables birds during migration to stimulate the expression of genes involved in antioxidant protection likely through increasing the transcriptional activity of NRF2 and PPARs, and thereby demonstrates for the first time that these relevant ecological factors affect the regulation of key antioxidant pathways in wild birds. What remains to be demonstrated is how the extent of these ecological factors (i.e., intensity or duration of flight, amounts of dietary antioxidants) influences the regulation of these antioxidant pathways and thus oxidative balance.
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Affiliation(s)
| | - Wales A Carter
- Dept. of Natural Resources Science, University of Rhode Island, Kingston RI 02881
| | | | - Scott R McWilliams
- Dept. of Natural Resources Science, University of Rhode Island, Kingston RI 02881
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26
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The KEAP1-NRF2 System in Healthy Aging and Longevity. Antioxidants (Basel) 2021; 10:antiox10121929. [PMID: 34943032 PMCID: PMC8750203 DOI: 10.3390/antiox10121929] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/29/2021] [Accepted: 11/29/2021] [Indexed: 12/25/2022] Open
Abstract
Aging is inevitable, but the inherently and genetically programmed aging process is markedly influenced by environmental factors. All organisms are constantly exposed to various stresses, either exogenous or endogenous, throughout their lives, and the quality and quantity of the stresses generate diverse impacts on the organismal aging process. In the current oxygenic atmosphere on earth, oxidative stress caused by reactive oxygen species is one of the most common and critical environmental factors for life. The Kelch-like ECH-associated protein 1-NFE2-related factor 2 (KEAP1-NRF2) system is a critical defense mechanism of cells and organisms in response to redox perturbations. In the presence of oxidative and electrophilic insults, the thiol moieties of cysteine in KEAP1 are modified, and consequently NRF2 activates its target genes for detoxification and cytoprotection. A number of studies have clarified the contributions of the KEAP1-NRF2 system to the prevention and attenuation of physiological aging and aging-related diseases. Accumulating knowledge to control stress-induced damage may provide a clue for extending healthspan and treating aging-related diseases. In this review, we focus on the relationships between oxidative stress and aging-related alterations in the sensory, glandular, muscular, and central nervous systems and the roles of the KEAP1-NRF2 system in aging processes.
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27
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Omotoso O, Gladyshev VN, Zhou X. Lifespan Extension in Long-Lived Vertebrates Rooted in Ecological Adaptation. Front Cell Dev Biol 2021; 9:704966. [PMID: 34733838 PMCID: PMC8558438 DOI: 10.3389/fcell.2021.704966] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 09/02/2021] [Indexed: 01/21/2023] Open
Abstract
Contemporary studies on aging and longevity have largely overlooked the role that adaptation plays in lifespan variation across species. Emerging evidence indicates that the genetic signals of extended lifespan may be maintained by natural selection, suggesting that longevity could be a product of organismal adaptation. The mechanisms of adaptation in long-lived animals are believed to account for the modification of physiological function. Here, we first review recent progress in comparative biology of long-lived animals, together with the emergence of adaptive genetic factors that control longevity and disease resistance. We then propose that hitchhiking of adaptive genetic changes is the basis for lifespan changes and suggest ways to test this evolutionary model. As individual adaptive or adaptation-linked mutations/substitutions generate specific forms of longevity effects, the cumulative beneficial effect is largely nonrandom and is indirectly favored by natural selection. We consider this concept in light of other proposed theories of aging and integrate these disparate ideas into an adaptive evolutionary model, highlighting strategies in decoding genetic factors of lifespan control.
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Affiliation(s)
- Olatunde Omotoso
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Vadim N Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Xuming Zhou
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Beijing, China
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28
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McWilliams S, Carter W, Cooper-Mullin C, DeMoranville K, Frawley A, Pierce B, Skrip M. How Birds During Migration Maintain (Oxidative) Balance. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.742642] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Animals dynamically adjust their physiology and behavior to survive in changing environments, and seasonal migration is one life stage that demonstrates these dynamic adjustments. As birds migrate between breeding and wintering areas, they incur physiological demands that challenge their antioxidant system. Migrating birds presumably respond to these oxidative challenges by up-regulating protective endogenous systems or accumulating dietary antioxidants at stopover sites, although our understanding of the pre-migration preparations and mid-migration responses of birds to such oxidative challenges is as yet incomplete. Here we review evidence from field and captive-bird studies that address the following questions: (1) Do migratory birds build antioxidant capacity as they build fat stores in preparation for long flights? (2) Is oxidative damage an inevitable consequence of oxidative challenges such as flight, and, if so, how is the extent of damage affected by factors such as the response of the antioxidant system, the level of energetic challenge, and the availability of dietary antioxidants? (3) Do migratory birds ‘recover’ from the oxidative damage accrued during long-duration flights, and, if so, does the pace of this rebalancing of oxidative status depend on the quality of the stopover site? The answer to all these questions is a qualified ‘yes’ although ecological factors (e.g., diet and habitat quality, geographic barriers to migration, and weather) affect how the antioxidant system responds. Furthermore, the pace of this dynamic physiological response remains an open question, despite its potential importance for shaping outcomes on timescales ranging from single flights to migratory journeys. In sum, the antioxidant system of birds during migration is impressively dynamic and responsive to environmental conditions, and thus provides ample opportunities to study how the physiology of migratory birds responds to a changing and challenging world.
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29
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Satoh T. Bird evolution by insulin resistance. Trends Endocrinol Metab 2021; 32:803-813. [PMID: 34446347 DOI: 10.1016/j.tem.2021.07.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/28/2021] [Accepted: 07/26/2021] [Indexed: 10/20/2022]
Abstract
Drift of oxygen concentrations in the atmosphere was one of the main drivers of the evolution of vertebrates. The drop in oxygen concentrations at the Permian-Triassic (PT) boundary may have been the biggest challenge to vertebrates. This hypoxic condition forced theropods to lose certain genes to maximize their efficiency of oxygen usage. Recent studies show that omentin and insulin-sensitive glucose transporter 4 (GLUT4) are missing in the bird genome. Since these gene products play essential roles in maintaining insulin sensitivity, this loss forced theropods to become insulin resistant. Insulin resistance may have been the key to allowing theropods to become hyperathletic under hypoxic conditions and to outcompete mammals during the Triassic period. A second challenge was the gradual increase in oxygen concentrations during the late Jurassic, Cretaceous, and Tertiary periods when reactive oxygen species (ROS) leakage from mitochondria became a problem. Since the simplest solution was the expansion of body size, some theropods became bigger to reduce ROS leakage per volume. Another solution was the development of a constitutively active countermeasure against ROS. A recent study shows that Neoaves have constitutively active nuclear factor erythroid 2-related factor 2 (NRF2) due to deletion of the C-terminal part of the KEAP1 protein, thus allowing Neoaves to express antioxidant enzymes to overcome ROS leakage.
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Affiliation(s)
- Takumi Satoh
- Department of Anti-Aging Food Research, School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura, Hachioji 192-0982, Japan.
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30
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Dodson M, Anandhan A, Zhang DD, Madhavan L. An NRF2 Perspective on Stem Cells and Ageing. FRONTIERS IN AGING 2021; 2:690686. [PMID: 36213179 PMCID: PMC9536878 DOI: 10.3389/fragi.2021.690686] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 06/03/2021] [Indexed: 04/24/2023]
Abstract
Redox and metabolic mechanisms lie at the heart of stem cell survival and regenerative activity. NRF2 is a major transcriptional controller of cellular redox and metabolic homeostasis, which has also been implicated in ageing and lifespan regulation. However, NRF2's role in stem cells and their functioning with age is only just emerging. Here, focusing mainly on neural stem cells, which are core to adult brain plasticity and function, we review recent findings that identify NRF2 as a fundamental player in stem cell biology and ageing. We also discuss NRF2-based molecular programs that may govern stem cell state and function with age, and implications of this for age-related pathologies.
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Affiliation(s)
- Matthew Dodson
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, AZ, United States
| | - Annadurai Anandhan
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, AZ, United States
- Department of Neurology, University of Arizona, Tucson, AZ, United States
| | - Donna D. Zhang
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, AZ, United States
| | - Lalitha Madhavan
- Department of Neurology, University of Arizona, Tucson, AZ, United States
- Evelyn F. McKnight Brain Institute and Bio5 Institute, University of Arizona, Tucson, AZ, United States
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Harper JM, Holmes DJ. New Perspectives on Avian Models for Studies of Basic Aging Processes. Biomedicines 2021; 9:biomedicines9060649. [PMID: 34200297 PMCID: PMC8230007 DOI: 10.3390/biomedicines9060649] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/28/2021] [Accepted: 05/29/2021] [Indexed: 12/18/2022] Open
Abstract
Avian models have the potential to elucidate basic cellular and molecular mechanisms underlying the slow aging rates and exceptional longevity typical of this group of vertebrates. To date, most studies of avian aging have focused on relatively few of the phenomena now thought to be intrinsic to the aging process, but primarily on responses to oxidative stress and telomere dynamics. But a variety of whole-animal and cell-based approaches to avian aging and stress resistance have been developed-especially the use of primary cell lines and isolated erythrocytes-which permit other processes to be investigated. In this review, we highlight newer studies using these approaches. We also discuss recent research on age-related changes in neural function in birds in the context of sensory changes relevant to homing and navigation, as well as the maintenance of song. More recently, with the advent of "-omic" methodologies, including whole-genome studies, new approaches have gained momentum for investigating the mechanistic basis of aging in birds. Overall, current research suggests that birds exhibit an enhanced resistance to the detrimental effects of oxidative damage and maintain higher than expected levels of cellular function as they age. There is also evidence that genetic signatures associated with cellular defenses, as well as metabolic and immune function, are enhanced in birds but data are still lacking relative to that available from more conventional model organisms. We are optimistic that continued development of avian models in geroscience, especially under controlled laboratory conditions, will provide novel insights into the exceptional longevity of this animal taxon.
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Affiliation(s)
- James M. Harper
- Department of Biological Sciences, Sam Houston State University, Huntsville, TX 77341, USA
- Correspondence: ; Tel.: +1-936-294-1543
| | - Donna J. Holmes
- Department of Biological Sciences and WWAMI Medical Education Program, University of Idaho, Moscow, ID 83844, USA;
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Accelerated evolution and positive selection of rhodopsin in Tibetan loaches living in high altitude. Int J Biol Macromol 2020; 165:2598-2606. [PMID: 33470199 DOI: 10.1016/j.ijbiomac.2020.10.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 11/22/2022]
Abstract
Rhodopsin (RH1), the temperature-sensitive visual pigment, attained cold adaptation by functional trade-offs between protein stability and activity. Recent studies suggested convergent selection pressures drove cold adaptation of rhodopsin in high altitude catfishes through nonparallel molecular mechanisms. Here, we tested whether the similar shift occurred in RH1 of Tibetan loaches on the Qinghai-Tibet Plateau (QTP) by investigating the molecular evolution and potential effect on function of RH1. We sequenced RH1 from 27 Triplophysa species, and four lowland loaches and combined these data with published sequences. Tests using a series of models of molecular evolution resulted in strong evidence for accelerated evolution and positive selection in Triplophysa RH1. Three positively selected sites were near key functional domains modulating nonspectral properties of rhodopsin, substitutions of which were likely to compensate for cold-induced decrease in rhodopsin kinetics in cold environments. Moreover, although accelerated evolutionary rates in Tibetan loaches was convergent with those in high altitude catfishes, the sites under positive selection were nonoverlapping. Our findings provide evidence for convergent shift in selection pressures of RH1 in high altitude fish during the ecological transition to cold environment of the QTP.
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Yu P, Zheng L, Wang P, Chai S, Zhang Y, Shi T, Zhang L, Peng R, Huang C, Guo B, Jiang Q. Development of a novel polysaccharide-based iron oxide nanoparticle to prevent iron accumulation-related osteoporosis by scavenging reactive oxygen species. Int J Biol Macromol 2020; 165:1634-1645. [PMID: 33049237 DOI: 10.1016/j.ijbiomac.2020.10.016] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/26/2020] [Accepted: 10/02/2020] [Indexed: 02/06/2023]
Abstract
In this work, the biological polysaccharide-based antioxidant polyglucose-sorbitol-carboxymethyl ether (PSC) was used as the precursor to synthesize Fe2O3@PSC nanoparticles, which are expected to scavenge excess reactive oxygen species (ROS) to inhibit osteogenesis and promote osteoclast differentiation in iron accumulation (IA)-related osteoporosis. The Fe2O3@PSC nanoparticles obtained were of a uniform particle size of 7.3 nm with elemental O/Fe/Cl/C at a ratio of 190:7:2:88. In addition, the Fe2O3@PSC nanoparticles showed the ability to supply equivalent amounts of iron as the typical iron agent ferric ammonium citrate (FAC) in vitro and in vivo. Importantly, the Fe2O3@PSC nanoparticles not only induced antioxidative MC3T3-E1 and Raw 264.7 cells to scavenge ROS but also promoted osteogenic differentiation by activating Akt-GSK-3β-β-catenin and inhibiting osteoclast differentiation by inhibiting the MAPK and NF-κB pathways in vitro. In vivo, no IA-related osteoporosis was induced in a mouse model when enough iron was supplied by the Fe2O3@PSC nanoparticles. Overall, the biological polysaccharide-based antioxidant PSC can supply iron and prevent IA-related osteoporosis, indicating that it is a promising novel iron agent for applications to treat iron deficiency diseases.
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Affiliation(s)
- Pengjun Yu
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Liming Zheng
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Peng Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Senlin Chai
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Yibo Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Tianshu Shi
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Lei Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Rui Peng
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Caoxing Huang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, PR China.
| | - Baosheng Guo
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China.
| | - Qing Jiang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, PR China; Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210093, Jiangsu, PR China.
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