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Choi YM, Kim DH, Jang J, Choe WH, Kim BJ. rt269L-Type hepatitis B virus (HBV) in genotype C infection leads to improved mitochondrial dynamics via the PERK-eIF2α-ATF4 axis in an HBx protein-dependent manner. Cell Mol Biol Lett 2023; 28:26. [PMID: 36997871 PMCID: PMC10064691 DOI: 10.1186/s11658-023-00440-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 03/15/2023] [Indexed: 04/01/2023] Open
Abstract
BACKGROUND In our previous report, the rt269I type versus the rt269L type in genotype C2 infection led to poor clinical outcomes and enhanced mitochondrial stress in infected hepatocytes. Here, we sought to investigate differences between the rt269L and rt269I types in mitochondrial functionality in hepatitis B virus (HBV) genotype C2 infection, mainly focusing on endoplasmic reticulum (ER) stress-mediated autophagy induction as an upstream signal. METHODS Mitochondrial functionality, ER stress signaling, autophagy induction, and apoptotic cell death between rt269L-type and rt269I-type groups were investigated via in vitro and in vivo experiments. Serum samples were collected from 187 chronic hepatitis patients who visited Konkuk or Seoul National University Hospital. RESULTS Our data revealed that genotype C rt269L versus rt269I infection led to improved mitochondrial dynamics and enhanced autophagic flux, mainly due to the activation of the PERK-eIF2α-ATF4 axis. Furthermore, we demonstrated that the traits found in genotype C rt269L infection were mainly due to increased stability of the HBx protein after deubiquitination. In addition, clinical data using patient sera from two independent Korean cohorts showed that, compared with rt269I, rt269L in infection led to lower 8-OHdG levels, further supporting its improved mitochondrial quality control. CONCLUSION Our data showed that, compared with the rt269I type, the rt269L type, which presented exclusively in HBV genotype C infection, leads to improved mitochondrial dynamics or bioenergetics, mainly due to autophagy induction via activation of the PERK-eIF2α-ATF4 axis in an HBx protein-dependent manner. This suggests that HBx stability and cellular quality control in the rt269L type predominating in genotype C endemic areas could at least partly contribute to some distinctive traits of genotype C infection, such as higher infectivity or longer duration of the hepatitis B e antigen (HBeAg) positive stage.
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Affiliation(s)
- Yu-Min Choi
- Department of Microbiology and Immunology, College of Medicine, Seoul National University, Seoul, 110-799, Republic of Korea
| | - Dong Hyun Kim
- Department of Microbiology and Immunology, College of Medicine, Seoul National University, Seoul, 110-799, Republic of Korea
| | - Junghwa Jang
- Department of Microbiology and Immunology, College of Medicine, Seoul National University, Seoul, 110-799, Republic of Korea
| | - Won Hyeok Choe
- Department of Internal Medicine, Konkuk University School of Medicine, Seoul, 05030, Republic of Korea
| | - Bum-Joon Kim
- Department of Microbiology and Immunology, College of Medicine, Seoul National University, Seoul, 110-799, Republic of Korea.
- Department of Biomedical Sciences, College of Medicine, Seoul National University, Seoul, 03080, Republic of Korea.
- Liver Research Institute, College of Medicine, Seoul National University, Seoul, 03080, Korea.
- Cancer Research Institute, College of Medicine, Seoul National University, Seoul, 03080, Korea.
- Seoul National University Medical Research Center (SNUMRC), Seoul, 03080, Korea.
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Li M, Dong L, Du H, Bao Z, Lin S. Potential mechanisms underlying the protective effects of Tricholoma matsutake singer peptides against LPS-induced inflammation in RAW264.7 macrophages. Food Chem 2021; 353:129452. [PMID: 33714115 DOI: 10.1016/j.foodchem.2021.129452] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 02/01/2021] [Accepted: 02/20/2021] [Indexed: 12/15/2022]
Abstract
This study aimed to investigate the protective effects of a < 3 kDa Tricholoma matsutake Singer peptide (TMWP) on lipopolysaccharide (LPS)-induced inflammation in RAW264.7 macrophages. The results showed that TMWP significantly upregulated superoxide dismutase (SOD) activity and reduced reactive oxygen species (ROS) generation in RAW264.7 macrophages. Western blotting and immunofluorescence analysis indicated that TMWP inhibited the activation of the mitogen-activated protein kinase (MAPK) and nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) pathways, thereby reducing the secretion of IL-1β and IL-6 and the expression of TNF-α, COX-2, and iNOS. Additionally, TMWP improved mitochondrial respiration in LPS-stressed macrophages, counteracting the harmful effects of LPS treatment on mitochondrial function. Three peptides (SDIKHFPF, SDLKHFPF, and WFNNAGP) with the highest predicted scores for potential anti-inflammatory activity were identified using nano-HPLC-MS/MS. These data indicated that T. matsutake peptides could be an attractive natural ingredient for developing novel functional foods.
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Affiliation(s)
- Mengqi Li
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Liu Dong
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Hanting Du
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Zhijie Bao
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Songyi Lin
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China.
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Guidony NS, Lopes FM, Guimarães PS, Escarrone ALV, Souza MM. Can short-term exposure to copper and atrazine be cytotoxic to microalgae? Environ Sci Pollut Res Int 2020; 27:27961-27970. [PMID: 32405941 DOI: 10.1007/s11356-020-09149-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 05/04/2020] [Indexed: 05/25/2023]
Abstract
Aquatic environments can be easily contaminated due to anthropogenic activities that may affect local biota. Microalgae are abundant and have an important role on the food chain. Consequently, they stand out as promising models for studies of contaminants. This study investigated the cytotoxic effects of atrazine and copper (separate and mixture) exposure in microalgae Desmodesmus communis, as well as its cellular defense due to ABC (ATP-binding cassette) proteins activity against the xenobiotics. We analyzed two different ABC proteins activity pathways: P-gp, which is responsible for nonspecific substance efflux, and MRP that is associated with metals efflux. It was observed that the microalgae exposure to atrazine (90 nM) and copper (141 nM) has been considered cytotoxic. When contaminants were mixed, only the combination of both highest concentrations tested was cytotoxic. The P-gp blocker, verapamil, demonstrated that the contaminants tested caused proteins inhibition. However, the MK-571 (MRP blocker) did not block pump activity. There was an inverse relationship between ABC protein activity and cytotoxicity; non-cytotoxic conditions suggest increased activity of microalgae defense proteins.
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Affiliation(s)
- Nicole Soares Guidony
- Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande-FURG, Rio Grande, RS, Brazil
| | - Fernanda Moreira Lopes
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande-FURG, Rio Grande, RS, Brazil
| | - Pablo Santos Guimarães
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande-FURG, Av Itália, Km 8, Rio Grande, RS, 96203-900, Brazil
| | | | - Marta Marques Souza
- Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande-FURG, Rio Grande, RS, Brazil.
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande-FURG, Rio Grande, RS, Brazil.
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande-FURG, Av Itália, Km 8, Rio Grande, RS, 96203-900, Brazil.
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Courtes AA, Gonçalves DF, Hartmann DD, da Rosa PC, Cassol G, Royes LFF, de Carvalho NR, Soares FAA. Guanosine protects against behavioural and mitochondrial bioenergetic alterations after mild traumatic brain injury. Brain Res Bull 2020; 163:31-9. [PMID: 32681970 DOI: 10.1016/j.brainresbull.2020.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 07/06/2020] [Accepted: 07/08/2020] [Indexed: 12/11/2022]
Abstract
Traumatic brain injury (TBI) constitutes a heterogeneous cerebral insult induced by traumatic biomechanical forces. Mitochondria play a critical role in brain bioenergetics, and TBI induces several consequences related with oxidative stress and excitotoxicity clearly demonstrated in different experimental model involving TBI. Mitochondrial bioenergetics alterations can present several targets for therapeutics which could help reduce secondary brain lesions such as neuropsychiatric problems, including memory loss and motor impairment. Guanosine (GUO), an endogenous neuroprotective nucleoside, affords the long-term benefits of controlling brain neurodegeneration, mainly due to its capacity to activate the antioxidant defense system and maintenance of the redox system. However, little is known about the exact protective mechanism exerted by GUO on mitochondrial bioenergetics disruption induced by TBI. Thus, the aim of this study was to investigate the effects of GUO in brain cortical and hippocampal mitochondrial bioenergetics in the mild TBI model. Additionally, we aimed to assess whether mitochondrial damage induced by TBI may be related to behavioral alterations in rats. Our findings showed that 24 h post-TBI, GUO treatment promotes an adaptive response of mitochondrial respiratory chain increasing oxygen flux which it was able to protect against the uncoupling of oxidative phosphorylation (OXPHOS) induced by TBI, restored the respiratory electron transfer system (ETS) established with an uncoupler. Guanosine treatment also increased respiratory control ratio (RCR), an indicator of the state of mitochondrial coupling, which is related to the mitochondrial functionality. In addition, mitochondrial bioenergetics failure was closely related with locomotor, exploratory and memory impairments. The present study suggests GUO treatment post mild TBI could increase GDP endogenous levels and consequently increasing ATP levels promotes an increase of RCR increasing OXPHOS and in substantial improve mitochondrial respiration in different brain regions, which, in turn, could promote an improvement in behavioral parameters associated to the mild TBI. These findings may contribute to the development of future therapies with a target on failure energetic metabolism induced by TBI.
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Giampieri F, Alvarez-Suarez JM, Cordero MD, Gasparrini M, Forbes-Hernandez TY, Afrin S, Santos-Buelga C, González-Paramás AM, Astolfi P, Rubini C, Zizzi A, Tulipani S, Quiles JL, Mezzetti B, Battino M. Strawberry consumption improves aging-associated impairments, mitochondrial biogenesis and functionality through the AMP-activated protein kinase signaling cascade. Food Chem 2017; 234:464-471. [PMID: 28551262 DOI: 10.1016/j.foodchem.2017.05.017] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 04/27/2017] [Accepted: 05/02/2017] [Indexed: 01/22/2023]
Abstract
Dietary polyphenols have been recently proposed as activators of the AMP-activated protein kinase (AMPK) signaling pathway and this fact might explain the relationship between the consumption of polyphenol-rich foods and the slowdown of the progression of aging. In the present work, the effects of strawberry consumption were evaluated on biomarkers of oxidative damage and on aging-associated reductions in mitochondrial function and biogenesis for 8weeks in old rats. Strawberry supplementation increased antioxidant enzyme activities, mitochondrial biomass and functionality, and decreased intracellular ROS levels and biomarkers of protein, lipid and DNA damage (P<0.05). Furthermore, a significant (P<0.05) increase in the expression of the AMPK cascade genes, involved in mitochondrial biogenesis and antioxidant defences, was also detected after strawberry intake. These in vivo results were then verified in vitro on HepG2 cells, confirming the involvement of AMPK in the beneficial effects exerted by strawberry against aging progression.
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Affiliation(s)
- Francesca Giampieri
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Via Ranieri 65, 60131 Ancona, Italy
| | - Josè M Alvarez-Suarez
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Via Ranieri 65, 60131 Ancona, Italy; Escuela de Medicina Veterinaria y Zootecnia, Facultad de Ciencias de la Salud, Universidad de Las Américas (UDLA), Jose Queri, Quito 170125, Ecuador.
| | - Mario D Cordero
- Research Laboratory, Oral Medicine Department, Universidad de Sevilla, C/Avicena s/n, 41009 Seville, Spain
| | - Massimiliano Gasparrini
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Via Ranieri 65, 60131 Ancona, Italy
| | - Tamara Y Forbes-Hernandez
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Via Ranieri 65, 60131 Ancona, Italy; Area de Nutrición y Salud, Universidad Internacional Iberoamericana (UNINI), Calle 15, 24560 Campeche, Mexico
| | - Sadia Afrin
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Via Ranieri 65, 60131 Ancona, Italy
| | - Celestino Santos-Buelga
- Grupo de Investigación en Polifenoles (GIP-USAL), Faculty of Pharmacy, Salamanca University, Campus Miguel de Unamuno, E-37007 Salamanca, Spain
| | - Ana M González-Paramás
- Grupo de Investigación en Polifenoles (GIP-USAL), Faculty of Pharmacy, Salamanca University, Campus Miguel de Unamuno, E-37007 Salamanca, Spain
| | - Paola Astolfi
- Dipartimento Scienze e Ingegneria della Materia, dell'Ambiente ed Urbanistica, Università Politecnica delle Marche, Via Brecce Bianche 12, 60131 Ancona, Italy
| | - Corrado Rubini
- Dipartimento di Scienze Biomediche e Sanita' Pubblica, Sez. Anatomia Patologica, Università Politecninca delle Marche, Via Conca 71, 60126 Ancona, Italy
| | - Antonio Zizzi
- Dipartimento di Scienze Biomediche e Sanita' Pubblica, Sez. Anatomia Patologica, Università Politecninca delle Marche, Via Conca 71, 60126 Ancona, Italy
| | - Sara Tulipani
- Biomarkers & Nutrimetabolomic Lab, Nutrition & Food Science Dept, XaRTA, INSA, Campus Torribera, Pharmacy and Food Science Faculty, University of Barcelona, 08028, Spain; Biomedical Research Institute [IBIMA], Service of Endocrinology and Nutrition, Malaga Hospital Complex [Virgen de la Victoria], Campus de Teatinos s/n, Malaga, Spain
| | - Josè L Quiles
- Departamento de Fisiologia, Instituto de Nutrición y Tecnología de los Alimentos "José Mataix", Centro de Investigaciones Biomedicas, Universidad de Granada, 18100 Granada, Spain
| | - Bruno Mezzetti
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, Via Ranieri 65, 60131 Ancona, Italy
| | - Maurizio Battino
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Via Ranieri 65, 60131 Ancona, Italy; Centre for Nutrition & Health, Universidad Europea del Atlantico (UEA), C/Isabel Torres 21, 39011 Santander, Spain.
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Giampieri F, Alvarez-Suarez JM, Gasparrini M, Forbes-Hernandez TY, Afrin S, Bompadre S, Rubini C, Zizzi A, Astolfi P, Santos-Buelga C, González-Paramás AM, Quiles JL, Mezzetti B, Battino M. Strawberry consumption alleviates doxorubicin-induced toxicity by suppressing oxidative stress. Food Chem Toxicol 2016; 94:128-37. [PMID: 27286747 DOI: 10.1016/j.fct.2016.06.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 06/03/2016] [Accepted: 06/04/2016] [Indexed: 01/01/2023]
Abstract
Doxorubicin (Dox), one of the most used chemotherapeutic agents, is known to generate oxidative stress and block DNA synthesis, which result in severe dose-limiting toxicity. A strategy to protect against Dox toxic effects could be to use dietary antioxidants of which fruits and vegetable are a rich source. In this context, strawberry consumption is associated with the maintenance of good health and the prevention of several diseases, thanks to the antioxidant capacities of its bioactive compounds. The aim of the present study was to evaluate the protective effects of strawberry consumption against oxidative stress induced by Dox in rats. Animals were fed with strawberry enriched diet (15% of the total calories) for two months and Dox (10 mg/kg; i.p.) was injected at the end of the experimental period. Strawberry consumption significantly inhibited ROS production and oxidative damage biomarkers accumulation in plasma and liver tissue and alleviated histopathological changes in rat livers treated with Dox. The reduction of antioxidant enzyme activities was significantly mitigated after strawberry consumption. In addition, strawberry enriched diet ameliorated liver mitochondrial antioxidant levels and functionality. In conclusion, strawberry intake protects against Dox-induced toxicity, at plasma, liver and mitochondrial levels thanks to its high contents of bioactive compounds.
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Affiliation(s)
- Francesca Giampieri
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Jose M Alvarez-Suarez
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy; Escuela de Medicina Veterinaria y Zootecnia, Facultad de Ciencias de la Salud. Universidad de Las Américas, Campus Queri, Quito, Ecuador
| | - Massimiliano Gasparrini
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Tamara Y Forbes-Hernandez
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy; Area de Nutrición y Salud, Universidad Internacional Iberoamericana (UNINI), Campeche, Mexico
| | - Sadia Afrin
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Stefano Bompadre
- Dipartimento Scienze Biomediche e Sanita' Pubblica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Corrado Rubini
- Dipartimento Scienze Biomediche e Sanita' Pubblica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Antonio Zizzi
- Dipartimento Scienze Biomediche e Sanita' Pubblica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Paola Astolfi
- Dipartimento Scienze e Ingegneria della Materia, dell'Ambiente ed Urbanistica, Università Politecnica delle Marche, Ancona, Italy
| | - Celestino Santos-Buelga
- Grupo de Investigación en Polifenoles (GIP-USAL), Faculty of Pharmacy, Salamanca University, Campus Miguel de Unamuno, E37007, Salamanca, Spain
| | - Ana M González-Paramás
- Grupo de Investigación en Polifenoles (GIP-USAL), Faculty of Pharmacy, Salamanca University, Campus Miguel de Unamuno, E37007, Salamanca, Spain
| | - Josè L Quiles
- Departamento de Fisiologia, Instituto de Nutrición y Tecnología de los Alimentos ''José Mataix", Centro de Investigaciones Biomedicas, Universidad de Granada, Granada, Spain
| | - Bruno Mezzetti
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, Ancona, Italy
| | - Maurizio Battino
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy; Centre for Nutrition & Health, Universidad Europea del Atlantico (UEA), Santander, Spain.
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