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Marinaro C, Marino A, Bianchi AR, Berman B, Trifuoggi M, Marano A, Palumbo G, Chianese T, Scudiero R, Rosati L, De Maio A, Lettieri G, Piscopo M. Molecular and toxicological mechanisms behind the effects of chromium (VI) on the male reproductive system of Mytilus galloprovincialis: First evidence for poly-ADP-ribosylation of protamine-like II. Chem Biol Interact 2024; 401:111186. [PMID: 39116916 DOI: 10.1016/j.cbi.2024.111186] [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: 07/12/2024] [Revised: 07/30/2024] [Accepted: 08/04/2024] [Indexed: 08/10/2024]
Abstract
Studies on the molecular mechanisms of heavy metal toxicity in invertebrate reproduction are limited. Given that PARP-catalysed ADP-ribosylation is also involved in counteracting heavy metal toxicity and maintaining genomic integrity, and that PARylation is implicated in chromatin remodelling but its role in sperm chromatin remains to be elucidated, we investigated the effects of chromium(VI) at 1, 10 and 100 nM on the reproductive health of Mytilus galloprovincialis. The damage to the gonads was assessed by morphological analyses and the damage indices PARP and ɣH2A.X were measured. Changes in the binding of protamine-like (PL) to DNA and the possibility of poly(ADP-ribosyl)ation of PL proteins were also investigated. Gonadal chromium accumulation and morphological damage were found, especially when the mussels were exposed to the highest dose of chromium(VI). In addition, the maximum expression of gonadal ɣH2A.X and PARP were obtained at 100 and 10 nM Cr(VI), respectively. Interestingly, for the first time in all exposed conditions, poly(ADP)-ribosylation was detected on PL-II, which, together with PL-III and PL-IV, are the major nuclear basic proteins of Mytilus galloprovincialis sperm chromatin. Since PL-II is involved in the final high level of sperm chromatin compaction, this post-translational modification altered the binding of the PL protein to DNA, favouring the action of micrococcal nuclease on sperm chromatin. This study provides new insights into the effects of chromium(VI) on Mytilus galloprovincialis reproductive system and proposes a molecular mechanism hypothesis describing the toxic effects of this metal on PL-DNA binding, sperm chromatin and gonads.
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Affiliation(s)
- Carmela Marinaro
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Alberto Marino
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Anna Rita Bianchi
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Bruno Berman
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Marco Trifuoggi
- Department of Chemical Sciences, University of Naples Federico II, 21,80126, Naples, Italy
| | - Alessandra Marano
- Department of Chemical Sciences, University of Naples Federico II, 21,80126, Naples, Italy
| | - Giancarlo Palumbo
- Commodity Science Laboratory, Department of Economics, Management and Institutions, University of Naples Federico II, 80126, Naples, Italy
| | - Teresa Chianese
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Rosaria Scudiero
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Luigi Rosati
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy; CIRAM, Centro Interdipartimentale di Ricerca "Ambiente", University Federico II, Via Mezzocannone 16, 80134, Napoli, Italy
| | - Anna De Maio
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy.
| | - Gennaro Lettieri
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy.
| | - Marina Piscopo
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy.
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Farías JJ, Dántola ML, Thomas AH. Photosensitized Oxidation of Free and Peptide Tryptophan to N-Formylkynurenine. Chem Res Toxicol 2024; 37:1562-1573. [PMID: 39105764 DOI: 10.1021/acs.chemrestox.4c00229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/07/2024]
Abstract
The oxidation of proteins and, in particular, of tryptophan (Trp) residues leads to chemical modifications that can affect the structure and function. The oxidative damage to proteins in photochemical processes is relevant in the skin and eyes and is related to a series of pathologies triggered by exposure to electromagnetic radiation. In this work, we studied the photosensitized formation of N-formylkynurenine (NFKyn) from Trp in different reaction systems. We used two substrates: free Trp and a peptide of nine amino acid residues, with Trp being the only oxidizable residue. Two different photosensitizers were employed: Rose Bengal (RB) and pterin (Ptr). The former is a typical type II photosensitizer [acts by producing singlet oxygen (1O2)]. Ptr is the parent compound of oxidized or aromatic pterins, natural photosensitizers that accumulate in human skin under certain pathological conditions and act mainly through type I mechanisms (generation of radicals). Experimental data were collected in steady photolysis, and the irradiated solutions were analyzed by chromatography (HPLC). Results indicate that the reaction of Trp with 1O2 initiates the process leading to NFKyn, but different competitive pathways take place depending on the photosensitizer and the substrate. In Ptr-photosensitization, a type I mechanism is involved in secondary reactions accelerating the formation of NFKyn when free Trp is the substrate.
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Affiliation(s)
- Jesuán J Farías
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CCT La Plata-CONICET, La Plata 1900, Argentina
| | - M Laura Dántola
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CCT La Plata-CONICET, La Plata 1900, Argentina
| | - Andrés H Thomas
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CCT La Plata-CONICET, La Plata 1900, Argentina
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Hu X, Zhang B, Li XA, Dai X, Kong B, Liu H, Chen Q. Myofibrillar protein hydrolysis under hydroxyl radical oxidative stress: Structural changes and their impacts on binding to selected aldehydes. Food Chem 2024; 452:139567. [PMID: 38718456 DOI: 10.1016/j.foodchem.2024.139567] [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: 02/20/2024] [Revised: 04/15/2024] [Accepted: 05/03/2024] [Indexed: 06/01/2024]
Abstract
In this study, a hydroxyl radical oxidation system was established to simulate the oxidation process in fermented meat products. This system was employed to examine the structural changes in myofibrillar proteins (MPs) resulting from tryptic hydrolysis after a hydroxyl radical oxidative regime. The effect of these changes on the ability of MPs to bind selected aldehydes (3-methyl butanal, pentanal, hexanal, and heptanal) was also investigated. Moderate oxidation (H2O2 ≤ 1.0 mM) unfolded the structure of MPs, facilitating trypsin-mediated hydrolysis and increasing their binding capacity for the four selected aldehydes. However, excessive oxidation (H2O2 ≥ 2.5 mM) led to cross-linking and aggregation of MPs, inhibiting trypsin-mediated hydrolysis. The oxidised MPs had the best binding capacity for heptanal. The interaction of the oxidised trypsin-hydrolysed MPs with heptanal was driven by hydrophobic interactions. The binding of heptanal affected the structure of the oxidised trypsin-hydrolysed MPs and reduced their α-helix content.
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Affiliation(s)
- Xia Hu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Biying Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xiang-Ao Li
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xinxin Dai
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Baohua Kong
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Haotian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qian Chen
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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Georgoulis I, Giantsis IA, Michaelidis B, Feidantsis K. Heat Hardening Ameliorates Apoptotic and Inflammatory Effects Through Increased Autophagy in Mussels. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2024:10.1007/s10126-024-10371-3. [PMID: 39240443 DOI: 10.1007/s10126-024-10371-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Accepted: 08/30/2024] [Indexed: 09/07/2024]
Abstract
The severity, frequency, and duration of extreme events, in the context of global warming, have placed many marine ecosystems at high risk. Therefore, the application of methods that can mediate the impacts of global warming on marine organisms seems to be an emerging necessity in the near term. In this context, enhancing the thermal resilience of marine organisms may be crucial for their sustainability. It has been shown that the repeated time-limited exposure of an organism to an environmental stimulus modifies its response mode, thus enhancing resilience and allowing adaptation of the physiological and developmental phenotype to environmental stress. In the present study, we investigated the "stress memory" effect caused by heat hardening on Mytilus galloprovincialis cellular pathways to identify the underlying biochemical mechanisms that enhance mussel thermal tolerance. Heat hardening resulted in increased ETS activity and ATP production and increased autophagic performance at all elevated temperatures (24 °C, 26 °C, and 28 °C). Furthermore, at these increased temperatures, apoptosis and inflammation remain at significantly lower levels in pregnant individuals than in nonhardened individuals. Autophagy, as a negative regulator of apoptosis, may lead to decreased damage to surrounding cells, which in turn alleviates inflammatory effects. In conclusion, the exposure of mussels to heat hardening seems to provide a physiological response that enhances heat tolerance and increases cell survival through increased energy production and reduced cell death and inflammatory responses. The latter can be utilized for the management and conservation of aquatic species of economic value or endangered status.
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Affiliation(s)
- Ioannis Georgoulis
- Laboratory of Animal Physiology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
| | - Ioannis A Giantsis
- Department of Animal Science, Faculty of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Basile Michaelidis
- Laboratory of Animal Physiology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Konstantinos Feidantsis
- Department of Fisheries & Aquaculture, School of Agricultural Sciences, University of Patras, 26504, Mesolonghi, Greece.
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Shi W, Zhang T, Xie H, Xing B, Wen P, Ouyang K, Xiao F, Guo Q, Xiong H, Zhao Q. Characterization and in vitro digestibility of soybean tofu: Influence of the different kinds of coagulant. Food Chem 2024; 450:138984. [PMID: 38642532 DOI: 10.1016/j.foodchem.2024.138984] [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: 12/13/2023] [Revised: 02/18/2024] [Accepted: 03/07/2024] [Indexed: 04/22/2024]
Abstract
This study explored the effect of diverse coagulants (glucono-δ-lactone (GDL), gypsum (GYP), microbial transglutaminase (MTGase), and white vinegar (WVG)) on microstructure, quality, and digestion properties of tofu. The four kinds of tofu were significantly different in their structure, composition, and digestibility. Tofu coagulated with MTGase had the highest springiness and cohesiveness while GDL tofu had the highest enthalpy (6.54 J/g). However, the WVG and GYP groups outperformed others in terms of thermodynamic, and digestion properties. The WVG group exhibited the highest nitrogen release (84.3%), water content, denaturation temperature, and the highest free-SH content but the lowest S-S content. Compared to WVG, the GYP group had the highest ash content, hardness, and chewiness. Results demonstrated that the tofu prepared by WVG and GYP show high digestibility. Meanwhile, the former has better thermal properties and the latter has better texture properties.
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Affiliation(s)
- Wenyi Shi
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China
| | - Tingting Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China
| | - Hexiang Xie
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China
| | - Beibei Xing
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China; Xi'an Institute of Integrated Medical Information, Shaanxi 710000, China
| | - Pingwei Wen
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China
| | - Kefan Ouyang
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China
| | - Fangjie Xiao
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China
| | - Qing Guo
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China
| | - Hua Xiong
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China
| | - Qiang Zhao
- State Key Laboratory of Food Science and Resources, Nanchang University, Jiangxi 330047, China.
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Smyth SP, Nixon B, Skerrett-Byrne DA, Burke ND, Bromfield EG. Building an Understanding of Proteostasis in Reproductive Cells: The Impact of Reactive Carbonyl Species on Protein Fate. Antioxid Redox Signal 2024; 41:296-321. [PMID: 38115641 DOI: 10.1089/ars.2023.0314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Significance: Stringent regulation of protein homeostasis pathways, under both physiological and pathological conditions, is necessary for the maintenance of proteome fidelity and optimal cell functioning. However, when challenged by endogenous or exogenous stressors, these proteostasis pathways can become dysregulated with detrimental consequences for protein fate, cell survival, and overall organism health. Most notably, there are numerous somatic pathologies associated with a loss of proteostatic regulation, including neurodegenerative disorders, type 2 diabetes, and some cancers. Recent Advances: Lipid oxidation-derived reactive carbonyl species (RCS), such as 4-hydroxynonenal (4HNE) and malondialdehyde, are relatively underappreciated purveyors of proteostatic dysregulation, which elicit their effects via the nonenzymatic post-translational modification of proteins. Emerging evidence suggests that a subset of germline proteins can serve as substrates for 4HNE modification. Among these, prevalent targets include succinate dehydrogenase, heat shock protein A2 and A-kinase anchor protein 4, all of which are intrinsically associated with fertility. Critical Issues: Despite growing knowledge in this field, the RCS adductomes of spermatozoa and oocytes are yet to be comprehensively investigated. Furthermore, the manner by which RCS-mediated adduction impacts protein fate and drives cellular responses, such as protein aggregation, requires further examination in the germline. Given that RCS-protein adduction has been attributed a role in infertility, there has been sparked research investment into strategies to prevent lipid peroxidation in germ cells. Future Directions: An increased depth of knowledge regarding the mechanisms and substrates of RCS-mediated protein modification in reproductive cells may reveal important targets for the development of novel therapies to improve fertility and pregnancy outcomes for future generations.
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Affiliation(s)
- Shannon P Smyth
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
- Bio21 Institute, School of BioSciences, Faculty of Science, University of Melbourne, Parkville, Victoria, Australia
| | - Brett Nixon
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
| | - David A Skerrett-Byrne
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Nathan D Burke
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
- Bio21 Institute, School of BioSciences, Faculty of Science, University of Melbourne, Parkville, Victoria, Australia
| | - Elizabeth G Bromfield
- Infertility and Reproduction Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
- Bio21 Institute, School of BioSciences, Faculty of Science, University of Melbourne, Parkville, Victoria, Australia
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Li J, Shi Z, Fan X, Du L, Xia Q, Zhou C, Sun Y, Xu B, Pan D. Characterization of the Effects of Low-Sodium Salt Substitution on Sensory Quality, Protein Oxidation, and Hydrolysis of Air-Dried Chicken Meat and Its Molecular Mechanisms Based on Tandem Mass Tagging-Labeled Quantitative Proteomics. Foods 2024; 13:737. [PMID: 38472852 DOI: 10.3390/foods13050737] [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: 01/29/2024] [Revised: 02/14/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
The effects of low-sodium salt mixture substitution on the sensory quality, protein oxidation, and hydrolysis of air-dried chicken and its molecular mechanisms were investigated based on tandem mass tagging (TMT) quantitative proteomics. The composite salt formulated with 1.6% KCl, 0.8% MgCl2, and 5.6% NaCl was found to improve the freshness and texture quality scores. Low-sodium salt mixture substitution significantly decreased the carbonyl content (1.52 nmol/mg), surface hydrophobicity (102.58 μg), and dimeric tyrosine content (2.69 A.U.), and significantly increased the sulfhydryl content (74.46 nmol/mg) and tryptophan fluorescence intensity, suggesting that protein oxidation was inhibited. Furthermore, low-sodium salt mixture substitution significantly increased the protein hydrolysis index (0.067), and cathepsin B and L activities (102.13 U/g and 349.25 U/g), suggesting that protein hydrolysis was facilitated. The correlation results showed that changes in the degree of protein hydrolysis and protein oxidation were closely related to sensory quality. TMT quantitative proteomics indicated that the degradation of myosin and titin as well as changes in the activities of the enzymes, CNDP2, DPP7, ABHD12B, FADH2A, and AASS, were responsible for the changes in the taste quality. In addition, CNDP2, ALDH1A1, and NMNAT1 are key enzymes that reduce protein oxidation. Overall, KCl and MgCl2 composite salt substitution is an effective method for producing low-sodium air-dried chicken.
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Affiliation(s)
- Jianhao Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Zihang Shi
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Xiankang Fan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Lihui Du
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Qiang Xia
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Changyu Zhou
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Yangying Sun
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
| | - Baocai Xu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Daodong Pan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
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Łuczyńska K, Zhang Z, Pietras T, Zhang Y, Taniguchi H. NFE2L1/Nrf1 serves as a potential therapeutical target for neurodegenerative diseases. Redox Biol 2024; 69:103003. [PMID: 38150994 PMCID: PMC10788251 DOI: 10.1016/j.redox.2023.103003] [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: 08/13/2023] [Revised: 12/15/2023] [Accepted: 12/16/2023] [Indexed: 12/29/2023] Open
Abstract
The failure of the proper protein turnover in the nervous system is mainly linked to a variety of neurodegenerative disorders. Therefore, a better understanding of key protein degradation through the ubiquitin-proteasome system is critical for effective prevention and treatment of those disorders. The proteasome expression is tightly regulated by a CNC (cap'n'collar) family of transcription factors, amongst which the nuclear factor-erythroid 2-like bZIP factor 1 (NFE2L1, also known as Nrf1, with its long isoform TCF11 and short isoform LCR-F1) has been identified as an indispensable regulator of the transcriptional expression of the ubiquitin-proteasome system. However, much less is known about how the pivotal role of NFE2L1/Nrf1, as compared to its homologous NFE2L2 (also called Nrf2), is translated to its physiological and pathophysiological functions in the nervous system insomuch as to yield its proper cytoprotective effects against neurodegenerative diseases. The potential of NFE2L1 to fulfill its unique neuronal function to serve as a novel therapeutic target for neurodegenerative diseases is explored by evaluating the hitherto established preclinical and clinical studies of Alzheimer's and Parkinson's diseases. In this review, we have also showcased a group of currently available activators of NFE2L1, along with an additional putative requirement of this CNC-bZIP factor for healthy longevity based on the experimental evidence obtained from its orthologous SKN1-A in Caenorhabditis elegans.
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Affiliation(s)
- Kamila Łuczyńska
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, Jastrzebiec, 05-552, Poland; The Second Department of Psychiatry, Institute of Psychiatry and Neurology in Warsaw, 02-957, Warsaw, Poland
| | - Zhengwen Zhang
- Laboratory of Neuroscience, Institute of Cognitive Neuroscience and School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, England, United Kingdom
| | - Tadeusz Pietras
- The Second Department of Psychiatry, Institute of Psychiatry and Neurology in Warsaw, 02-957, Warsaw, Poland; Department of Clinical Pharmacology, Medical University of Lodz, 90-153, Łódź, Poland
| | - Yiguo Zhang
- Chongqing University Jiangjin Hospital, School of Medicine, Chongqing University, No. 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing, 402260, China; The Laboratory of Cell Biochemistry and Topogenetic Regulation, College of Bioengineering & Faculty of Medical Sciences, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing, 400044, China.
| | - Hiroaki Taniguchi
- Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, Jastrzebiec, 05-552, Poland.
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9
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Seo JK, Lee YS, Eom JU, Yang HS. Comparing Physicochemical Properties, Fatty Acid Profiles, Amino Acid Composition, and Volatile Compounds in Dry-Cured Loin: The Impact of Different Levels of Proteolysis and Lipid Oxidation. Food Sci Anim Resour 2024; 44:103-118. [PMID: 38229866 PMCID: PMC10789562 DOI: 10.5851/kosfa.2023.e60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/16/2023] [Accepted: 09/20/2023] [Indexed: 01/18/2024] Open
Abstract
The aim of this study is to compare the quality characteristics of dry-cured loins with different levels of proteolysis and lipid oxidation and to investigate the relationship between these factors on quality characteristics. The dry-cured loins were divided into four groups [proteolytic index (PI) and 2-thiobarbituric acid reactive substances (TBARS) of high levels (HH), PI of high level and TBARS of low level (HL), PI of low level and TBARS of high level (LH), and PI and TBARS of low levels (LL)] based on the proteolysis index and TBARS. Moisture, protein, and fat content were all significantly influenced by proteolysis and lipid oxidation (p<0.05). The total fatty acid content in the high proteolysis groups (HH and HL) was significantly lower than that in the low proteolysis groups (LH and LL; p<0.05). For total free amino acid content, HH was the highest, and LL was the lowest (p<0.05). On the other hand, there was no significant difference between HL and LH (p>0.05). In the amount of total volatile compounds, there was no significant difference between HH and HL (p>0.05), but LH and LL significantly differed (p<0.05). In conclusion, proteolysis and lipid oxidation can influence the quality characteristics of dry-cured loin. Additionally, proteolysis might be as influential in generating volatile compounds as lipid oxidation.
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Affiliation(s)
- Jin-Kyu Seo
- Division of Applied Life Science
(BK21four), Gyeongsang National University, Jinju 52828,
Korea
| | | | - Jeong-Uk Eom
- Division of Applied Life Science
(BK21four), Gyeongsang National University, Jinju 52828,
Korea
| | - Han-Sul Yang
- Division of Applied Life Science
(BK21four), Gyeongsang National University, Jinju 52828,
Korea
- Institute of Agriculture and Life Science,
Gyeongsang National University, Jinju 52828, Korea
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10
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Jiang Y, MacNeil LT. Simple model systems reveal conserved mechanisms of Alzheimer's disease and related tauopathies. Mol Neurodegener 2023; 18:82. [PMID: 37950311 PMCID: PMC10638731 DOI: 10.1186/s13024-023-00664-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 10/04/2023] [Indexed: 11/12/2023] Open
Abstract
The lack of effective therapies that slow the progression of Alzheimer's disease (AD) and related tauopathies highlights the need for a more comprehensive understanding of the fundamental cellular mechanisms underlying these diseases. Model organisms, including yeast, worms, and flies, provide simple systems with which to investigate the mechanisms of disease. The evolutionary conservation of cellular pathways regulating proteostasis and stress response in these organisms facilitates the study of genetic factors that contribute to, or protect against, neurodegeneration. Here, we review genetic modifiers of neurodegeneration and related cellular pathways identified in the budding yeast Saccharomyces cerevisiae, the nematode Caenorhabditis elegans, and the fruit fly Drosophila melanogaster, focusing on models of AD and related tauopathies. We further address the potential of simple model systems to better understand the fundamental mechanisms that lead to AD and other neurodegenerative disorders.
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Affiliation(s)
- Yuwei Jiang
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Canada
| | - Lesley T MacNeil
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Canada.
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Canada.
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, 1280 Main St W, Hamilton, ON, L8S 4K1, Canada.
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11
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Zhu X, Zhang J, Zhang X, Dai Q, Fu Q. Effects of 2,2'-Azobis(2-methylpropionamidine) Dihydrochloride Stress on the Gel Properties of Duck Myofibrillar Protein Isolate. Molecules 2023; 28:6721. [PMID: 37764497 PMCID: PMC10535395 DOI: 10.3390/molecules28186721] [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: 08/16/2023] [Revised: 09/08/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
The aim of this study was to investigate the biochemical properties and gel-forming capacity of duck myofibrillar proteins under the effects of 2,2'-azobis(2-methylpropionamidine) dihydrochloride (AAPH)-mediated oxidation. Duck myofibrillar proteins were extracted and treated with different concentrations of AAPH solutions (0, 1, 3, 5, 10 mmol/L) and then analysed for carbonyl content, dynamic rheology, protein profiles and gel-forming properties (colour, water holding capacity, gel strength and microstructure). The results showed that with increasing AAPH concentration, the carbonyl content of the proteins exhibited an increasing trend (p < 0.05); SDS-PAGE pattern changes indicated that moderate oxidation (3 mmol/L AAPH) induced myosin aggregation via covalent bonds including disulfide, enhanced protein-protein interactions, and thus affected the gel strength of the DMPs' heat-induced gels. However, high oxidation (5 and 10 mmol/L AAPH) led to the partial degradation of the myosin heavy chain (MHC) isoforms, as evidenced by lower storage modulus and irregular microstructures, which significantly reduced gelation ability. These results suggest that the internal relationship between alkylperoxyl radical-induced oxidation should be taken into account in the processing of duck meat, as mild protein oxidation is conducive to improving gel quality.
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Affiliation(s)
- Xueshen Zhu
- Key Laboratory of Biological Functional Molecules of Jiangsu Province, College of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing 211200, China; (J.Z.); (X.Z.); (Q.D.)
| | - Jin Zhang
- Key Laboratory of Biological Functional Molecules of Jiangsu Province, College of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing 211200, China; (J.Z.); (X.Z.); (Q.D.)
| | - Xinyu Zhang
- Key Laboratory of Biological Functional Molecules of Jiangsu Province, College of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing 211200, China; (J.Z.); (X.Z.); (Q.D.)
| | - Qun Dai
- Key Laboratory of Biological Functional Molecules of Jiangsu Province, College of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing 211200, China; (J.Z.); (X.Z.); (Q.D.)
| | - Qingquan Fu
- School of Food Science, Nanjing Xiaozhuang University, Nanjing 211171, China
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12
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da Silva CMB, Cano FEM, Gaitskell-Phillips G, Vega FJP. Multiparametric Flow Cytometry for Determination of Viability, Caspase 3 and 7 Activity, and Lipid Peroxidation Adduct (4-Hydroxynonenal) in Equine Spermatozoa. Curr Protoc 2023; 3:e885. [PMID: 37672491 DOI: 10.1002/cpz1.885] [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] [Indexed: 09/08/2023]
Abstract
Flow cytometry is a powerful tool for the analysis of cell samples formed of multipopulations, such as spermatozoa. In recent years, multiparametric cytometers have evolved, allowing the study of different cellular characteristics, such as protein expression, DNA analysis, or mitochondrial activity. Whether using traditional fluorescent dyes or fluorophore-conjugated antibodies, each cell or cellular component is individually stained, the sample is analyzed at high velocities, and then is displayed and interpreted in a dot-plot. We hereby describe the procedure to perform a multiparametric flow cytometry analysis in equine spermatozoa using three sources of excitation and polychromatic flow cytometry for the detection of 4HNE, a lipid peroxidation adduct (by anti-4HNE antibody), apoptotic markers (by caspases 3 and 7 activity), and live/dead spermatozoa (by ethidium-homodimer) excluding the debris with Hoechst 33342 staining and gating. This multiparametric analysis allows the simultaneous detection of different spermatic parameters, providing useful information for the characterization of a seminal sample and fertility estimation. © 2023 Wiley Periodicals LLC. Basic Protocol: Determination of viability, caspase 3 and 7 activity, and 4-hydroxynonenal in equine spermatozoa by flow cytometry.
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Affiliation(s)
- Carolina Maria Balão da Silva
- Polytechnic Institute of Portalegre, Agrarian School of Elvas, Elvas, Portugal
- VALORIZA, Research Centre for Endogenous Resources Valorization, Polytechnic Institute of Portalegre, Portalegre, Portugal
| | - Francisco E Martín Cano
- Laboratory of Equine Reproduction and Equine Spermatology, Universidad de Extremadura, Cáceres, Spain
| | - Gemma Gaitskell-Phillips
- Laboratory of Equine Reproduction and Equine Spermatology, Universidad de Extremadura, Cáceres, Spain
| | - Fernando J Peña Vega
- Laboratory of Equine Reproduction and Equine Spermatology, Universidad de Extremadura, Cáceres, Spain
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13
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Wilson JB, Epstein M, Lopez B, Brown AK, Lutfy K, Friedman TC. The role of Neurochemicals, Stress Hormones and Immune System in the Positive Feedback Loops between Diabetes, Obesity and Depression. Front Endocrinol (Lausanne) 2023; 14:1224612. [PMID: 37664841 PMCID: PMC10470111 DOI: 10.3389/fendo.2023.1224612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 07/25/2023] [Indexed: 09/05/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) and depression are significant public health and socioeconomic issues. They commonly co-occur, with T2DM occurring in 11.3% of the US population, while depression has a prevalence of about 9%, with higher rates among youths. Approximately 31% of patients with T2DM suffer from depressive symptoms, with 11.4% having major depressive disorders, which is twice as high as the prevalence of depression in patients without T2DM. Additionally, over 80% of people with T2DM are overweight or obese. This review describes how T2DM and depression can enhance one another, using the same molecular pathways, by synergistically altering the brain's structure and function and reducing the reward obtained from eating. In this article, we reviewed the evidence that eating, especially high-caloric foods, stimulates the limbic system, initiating Reward Deficiency Syndrome. Analogous to other addictive behaviors, neurochemical changes in those with depression and/or T2DM are thought to cause individuals to increase their food intake to obtain the same reward leading to binge eating, weight gain and obesity. Treating the symptoms of T2DM, such as lowering HbA1c, without addressing the underlying pathways has little chance of eliminating the disease. Targeting the immune system, stress circuit, melatonin, and other alterations may be more effective.
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Affiliation(s)
- Julian B. Wilson
- Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
| | - Ma’ayan Epstein
- Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- Psychiatric Emergency Room, Olive View – University of California, Los Angeles (UCLA) Medical Center, Sylmar, CA, United States
| | - Briana Lopez
- Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- Friends Research Institute, Cerritos, CA, United States
| | - Amira K. Brown
- Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
| | - Kabirullah Lutfy
- Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- College of Pharmacy, Western University of Health Sciences, Pomona, CA, United States
| | - Theodore C. Friedman
- Department of Internal Medicine, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
- Friends Research Institute, Cerritos, CA, United States
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14
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Wu DG, Wang YN, Zhou Y, Gao H, Zhao B. Inhibition of the Proteasome Regulator PA28 Aggravates Oxidized Protein Overload in the Diabetic Rat Brain. Cell Mol Neurobiol 2023; 43:2857-2869. [PMID: 36715894 DOI: 10.1007/s10571-023-01322-y] [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: 06/05/2022] [Accepted: 01/19/2023] [Indexed: 01/31/2023]
Abstract
Oxidized protein overloading caused by diabetes is one accelerating pathological pathway in diabetic encephalopathy development. To determine whether the PA28-regulated function of the proteasome plays a role in diabetes-induced oxidative damaged protein degradation, brain PA28α and PA28β interference experiments were performed in a high-fat diet (HFD) and streptozotocin (STZ)-induced rat model. The present results showed that proteasome activity was changed in the brains of diabetic rats, but the constitutive subunits were not. In vivo PA28α and PA28β inhibition via adeno-associated virus (AAV) shRNA infection successfully decreased PA28 protein levels and further exacerbated oxidized proteins load by regulating proteasome catalytic activity. These findings suggest that the proteasome plays a role in the elimination of oxidized proteins and that PA28 is functionally involved in the regulation of proteasome activity in vivo. This study suggests that abnormal protein turbulence occurring in the diabetic brain could be explained by the proteasome-mediated degradation pathway. Changes in proteasome activity regulator PA28 could be a reason to induce oxidative aggregation in diabetic brain. Proteasome regulator PA28 inhibition in vivo by AAV vector injection could aggravate oxidized proteins abundance in brain of HFD-STZ diabetic rat model.
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Affiliation(s)
- Dong-Gui Wu
- School of Basic Medicine Sciences, Dali University, 6th Snowman Road, Dali, 671000, Yunnan, People's Republic of China
- Zhuhai People's Hospital, 79th Kangning Road, Zhuhai, 519000, Guangdong, People's Republic of China
| | - Yu-Na Wang
- School of Basic Medicine Sciences, Dali University, 6th Snowman Road, Dali, 671000, Yunnan, People's Republic of China
| | - Ye Zhou
- School of Basic Medicine Sciences, Dali University, 6th Snowman Road, Dali, 671000, Yunnan, People's Republic of China
| | - Han Gao
- School of Basic Medicine Sciences, Dali University, 6th Snowman Road, Dali, 671000, Yunnan, People's Republic of China
| | - Bei Zhao
- School of Basic Medicine Sciences, Dali University, 6th Snowman Road, Dali, 671000, Yunnan, People's Republic of China.
- Li Yun-Qing Expert Workstation of Yunnan Province (No. 202005AF150014) based in Dali University, 6th Snowman Road, Dali, 671000, Yunnan, People's Republic of China.
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15
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Gao S, Fu Z, Zhang L, Li B, Tan Y, Hong H, Luo Y. Oxidation and side-chain modifications decrease gastrointestinal digestibility and transport of proteins from salted bighead carp fillets after frozen storage. Food Chem 2023; 428:136747. [PMID: 37413834 DOI: 10.1016/j.foodchem.2023.136747] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/18/2023] [Accepted: 06/26/2023] [Indexed: 07/08/2023]
Abstract
This study examined the effects of protein oxidation on digestion behavior. The oxidation levels and in vitro digestibility of myofibrillar proteins from fresh-brined and frozen bighead carp fillets were investigated, and the intestinal transport property was characterized by comparing the peptides on both sides of the intestinal membrane. Frozen fillets showed high oxidation levels, low amino acid content and in vitro protein digestibility, which were further increased by brining. After storage, the number of modified peptides from myosin heavy chain (MHC) increased over 10-fold in NaCl-treated samples (2.0 M). Various types of side-chain modifications in amino acids were identified, such as di-oxidation, α-aminoadipic semialdehyde (AAS), γ-glutamic semialdehyde (GGS), and protein-malondialdehyde (MDA) adducts, mainly originating from MHC. The Lysine/Arginine-MDA adducts, AAS, and GGS decreased protein digestibility and their intestinal transportation. These findings suggest that oxidation impacts protein digestion and should be considered in food processing and preservation strategies.
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Affiliation(s)
- Song Gao
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Zixin Fu
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Longteng Zhang
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Bo Li
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Yuqing Tan
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Hui Hong
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Yongkang Luo
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Research and Development Center for Freshwater Fish Processing, Jiangxi Normal University, Nanchang, Jiangxi 330022, China.
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16
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Dubey AR, Mishra R, Jagtap YA, Kinger S, Kumar P, Dhiman R, Ghosh S, Singh S, Prasad A, Jana NR, Mishra A. Itraconazole Confers Cytoprotection Against Neurodegenerative Disease-Associated Abnormal Protein Aggregation. Mol Neurobiol 2023; 60:2397-2412. [PMID: 36656458 DOI: 10.1007/s12035-023-03230-0] [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: 08/04/2022] [Accepted: 01/06/2023] [Indexed: 01/20/2023]
Abstract
Cells perform regular maintenance to avoid the accumulation of misfolded proteins. Prolonged accumulation of these proteotoxic inclusions generates potential risk of ageing-related diseases such as neurodegenerative diseases. Therefore, removal of such abnormal aggregates can ensure the re-establishment of proteostasis. Ubiquitin proteasome system (UPS) actively participates in the selective removal of aberrantly folded clients with the help of complex proteasome machinery. However, specific induction of proteasome functions to remove abnormal proteins remains an open challenge. Here, we show that Itraconazole treatment induces proteasome activities and degrades the accumulation of bonafide-misfolded proteins, including heat-denatured luciferase. Exposure of Itraconazole elevates the degradation of neurodegenerative disease-associated proteins, e.g. expanded polyglutamine, mutant SOD1, and mutant α-synuclein. Our results suggest that Itraconazole treatment prevents the accumulation of neurodegenerative disease-linked misfolded proteins and generates cytoprotection. These findings reveal that Itraconazole removes abnormal proteins through sequential proteasomal activation and represents a potential protective therapeutic role against protein-misfolding neurodegenerative diseases.
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Affiliation(s)
- Ankur Rakesh Dubey
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, 342037, Rajasthan, India
| | - Ribhav Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, 342037, Rajasthan, India
| | - Yuvraj Anandrao Jagtap
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, 342037, Rajasthan, India
| | - Sumit Kinger
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, 342037, Rajasthan, India
| | - Prashant Kumar
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, 342037, Rajasthan, India
| | - Rohan Dhiman
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Somnath Ghosh
- Radiation Biology & Health Sciences Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India
| | - Sarika Singh
- Division of Toxicology and Experimental Medicine, Central Drug Research Institute, Lucknow, 226031, India
| | - Amit Prasad
- School of Biosciences and Bioengineering, Indian Institute of Technology Mandi, Mandi, India
| | - Nihar Ranjan Jana
- School of Bioscience, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, 342037, Rajasthan, India.
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17
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Pan N, Bai X, Kong B, Liu Q, Chen Q, Sun F, Liu H, Xia X. The dynamic change in the degradation and in vitro digestive properties of porcine myofibrillar protein during freezing storage. Int J Biol Macromol 2023; 234:123682. [PMID: 36796280 DOI: 10.1016/j.ijbiomac.2023.123682] [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: 12/11/2022] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023]
Abstract
The myofibrillar protein (MP) degradation and in vitro digestive properties of porcine longissimus during freezing at -8, -18, -25 and - 40 °C for 1, 3, 6, 9 and 12 months were investigated. As the freezing temperature and duration of frozen storage increased, the amino nitrogen and TCA (trichloroacetic acid)-soluble peptides of the samples were significantly increased, while the total sulfhydryl content and band intensity of myosin heavy chain, actin, troponin T, tropomyosin were significantly decreased (P < 0.05). At higher freezing storage temperatures and durations, the particle size of MP samples and the green fluorescent spots detected using a laser particle size analyzer and confocal laser scanning microscopy became large. After 12 months of freezing, the digestibility and the degree of hydrolysis of the trypsin digestion solution of the samples frozen at -8 °C were significantly decreased by 15.02 % and 14.28 %, respectively, when compared to fresh samples, whereas, the mean surface diameter (d3,2) and mean volume diameter (d4,3) were significantly increased by 14.97 % and 21.53 %, respectively. Therefore, frozen storage induced protein degradation and impaired the ability of digestion in the pork proteins. This phenomenon was more evident as the samples were frozen at high temperatures over a long storage period.
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Affiliation(s)
- Nan Pan
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xue Bai
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Baohua Kong
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qian Chen
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Fangda Sun
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Haotian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xiufang Xia
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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18
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Uushona T, Chikwanha OC, Katiyatiya CLF, Strydom PE, Mapiye C. Fatty acid and oxidative shelf-life profiles of meat from lambs fed finisher diets containing Acacia mearnsii leaf-meal. Meat Sci 2023; 201:109190. [PMID: 37060878 DOI: 10.1016/j.meatsci.2023.109190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 03/30/2023] [Accepted: 04/06/2023] [Indexed: 04/17/2023]
Abstract
Five diets containing Acacia mearnsii leaf-meal (AMLM; 0, 50, 100, 150 and 200 g/kg DM) substituted for Triticum aestivum bran were fed to lambs for 42 days. The effect of diet and retail display period on meat fatty acid (FA) composition (day 1); colour, antioxidant activity, myoglobin and lipid oxidation (day 1, 3, 5, 7 and 9); protein oxidation (1, 3 and 7 d) and instrumental tenderness (day 1, 5 and 10) were evaluated. Dietary AMLM linearly decreased (P ≤ 0.05) individual (14:0, 16:0, 18:0) and total saturated FA and increased (P ≤ 0.05) trans(t)-monounsaturated FA (MUFA) mainly t10/t11-18:1, individual and total conjugated linoleic acids, n-3 and n-6 polyunsaturated FA (PUFA) contents. The contents of cis(c)-MUFA, mainly c9-18:1, exhibited a quadratic response reaching a minimum at 50 g/kg AMLM (P ≤ 0.05). Meat antioxidant on day 9 was higher (P ≤ 0.05) for diets containing ≥100 g/kg DM AMLM compared to the other diet × retail display period interactions. Relative to the other interactions, meat redness values were lowest on day 7 and 9 for AMLM diets containing ≥150 g/kg DM (P ≤ 0.05). Dietary addition of AMLM increased (P ≤ 0.05) meat lightness and oxymyoglobin, and reduced (P ≤ 0.05) TBARS and instrumental tenderness values. However, oxymyoglobin values declined (P ≤ 0.05) over the retail display period, while lightness, metmyoglobin, TBARS and carbonyls increased (P ≤ 0.05). Results indicate that AMLM up to 200 g/kg DM in lamb finisher diets, improves meat fatty acid composition, tenderness, and lipid shelf-life.
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Affiliation(s)
- Tulimo Uushona
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa; Department of Animal Production, Agribusiness and Economics, Faculty of Agriculture, Engineering and Natural Sciences, University of Namibia, Private Bag 13188, Windhoek, Namibia
| | - Obert C Chikwanha
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
| | - Chenaimoyo L F Katiyatiya
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
| | - Phillip E Strydom
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
| | - Cletos Mapiye
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.
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19
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Yun Y, Wang X, Xu J, Jin C, Chen J, Wang X, Wang J, Qin L, Yang P. Pristane induced lupus mice as a model for neuropsychiatric lupus (NPSLE). BEHAVIORAL AND BRAIN FUNCTIONS : BBF 2023; 19:3. [PMID: 36765366 PMCID: PMC9921421 DOI: 10.1186/s12993-023-00205-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 01/13/2023] [Indexed: 02/12/2023]
Abstract
BACKGROUND The pristane-induced lupus (PIL) model is a useful tool for studying environmental-related systemic lupus erythematosus (SLE). However, neuropsychiatric manifestations in this model have not been investigated in detail. Because neuropsychiatric lupus (NPSLE) is an important complication of SLE, we investigated the neuropsychiatric symptoms in the PIL mouse model to evaluate its suitability for NPSLE studies. RESULTS PIL mice showed olfactory dysfunction accompanied by an anxiety- and depression-like phenotype at month 2 or 4 after pristane injection. The levels of cytokines (IL-1β, IFN-α, IFN-β, IL-10, IFN-γ, IL-6, TNF-α and IL-17A) and chemokines (CCL2 and CXCL10) in the brain and blood-brain barrier (BBB) permeability increased significantly from week 2 or month 1, and persisted throughout the observed course of the disease. Notably, IgG deposition in the choroid plexus and lateral ventricle wall were observed at month 1 and both astrocytes and microglia were activated. Persistent activation of astrocytes was detected throughout the observed course of the disease, while microglial activation diminished dramatically at month 4. Lipofuscin deposition, a sign of neuronal damage, was detected in cortical and hippocampal neurons from month 4 to 8. CONCLUSION PIL mice exhibit a series of characteristic behavioral deficits and pathological changes in the brain, and therefore might be suitable for investigating disease pathogenesis and for evaluating potential therapeutic targets for environmental-related NPSLE.
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Affiliation(s)
- Yang Yun
- grid.412467.20000 0004 1806 3501Department of Nephrology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xuejiao Wang
- grid.412449.e0000 0000 9678 1884Department of Physiology, China Medical University, Shenyang, China
| | - Jingyi Xu
- grid.412636.40000 0004 1757 9485Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China
| | - Chenye Jin
- grid.412636.40000 0004 1757 9485Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China
| | - Jingyu Chen
- grid.412449.e0000 0000 9678 1884Department of Physiology, China Medical University, Shenyang, China
| | - Xueru Wang
- grid.412449.e0000 0000 9678 1884Department of Physiology, China Medical University, Shenyang, China
| | - Jianing Wang
- grid.412636.40000 0004 1757 9485Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China
| | - Ling Qin
- Department of Physiology, China Medical University, Shenyang, China.
| | - Pingting Yang
- Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China.
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20
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Cosarderelioglu C, Nidadavolu LS, George CJ, Marx-Rattner R, Powell L, Xue QL, Tian J, Oh ES, Ferrucci L, Dincer P, Bennett DA, Walston JD, Abadir PM. Angiotensin receptor blocker use is associated with upregulation of the memory-protective angiotensin type 4 receptor (AT 4R) in the postmortem brains of individuals without cognitive impairment. GeroScience 2023; 45:371-384. [PMID: 35969296 PMCID: PMC9886717 DOI: 10.1007/s11357-022-00639-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 08/04/2022] [Indexed: 02/03/2023] Open
Abstract
The reported primary dementia-protective benefits of angiotensin II type 1 receptor (AT1R) blockers (ARB) are believed, at least in part, to arise from systemic effects on blood pressure. However, there is a specific and independently regulated brain renin-angiotensin system (RAS). Brain RAS acts mainly through three receptor subtypes; AT1R, AT2R, and AT4R. The AT1R promotes inflammation and mitochondrial reactive oxygen species generation. AT2R increases nitric oxide. AT4R is essential for dopamine and acetylcholine release. It is unknown whether ARB use is associated with changes in the brain RAS. Here, we compared the impact of treatment with ARB on not cognitively impaired individuals and individuals with Alzheimer's dementia using postmortem frontal-cortex samples of age- and sex-matched participants (70-90 years old, n = 30 in each group). We show that ARB use is associated with higher brain AT4R, lower oxidative stress, and amyloid-β burden in NCI participants. In AD, ARB use was associated with lower brain AT1R but had no impact on inflammation, oxidative stress, or amyloid-β burden. Our results may suggest a potential role for AT4R in the salutary effects for ARB on the brains of not cognitively impaired older adults.
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Affiliation(s)
- Caglar Cosarderelioglu
- Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA
- Department of Internal Medicine, Division of Geriatrics, Ankara University School of Medicine, Ankara, Turkey
- Department of Medical Biology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Lolita S Nidadavolu
- Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA
| | - Claudene J George
- Department of Medicine, Division of Geriatrics, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA
| | - Ruth Marx-Rattner
- Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA
| | - Laura Powell
- Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA
| | - Qian-Li Xue
- Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA
- Johns Hopkins University Center On Aging and Health, Baltimore, MD, USA
| | - Jing Tian
- Department of Biostatistics, Bloomberg School of Public Health, Baltimore, MD, USA
| | - Esther S Oh
- Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA
| | - Luigi Ferrucci
- National Institute On Aging, National Institutes of Health, Baltimore, MD, USA
| | - Pervin Dincer
- Department of Medical Biology, Hacettepe University School of Medicine, Ankara, Turkey
| | - David A Bennett
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
| | - Jeremy D Walston
- Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA
| | - Peter M Abadir
- Division of Geriatric Medicine and Gerontology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA.
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21
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Nasiri L, Vaez-Mahdavi MR, Hassanpour H, Ghazanfari T, Kaboudanian Ardestani S, Askari N, Mohseni Majd MA, Rahimlou B. Increased serum lipofuscin associated with leukocyte telomere shortening in veterans: a possible role for sulfur mustard exposure in delayed-onset accelerated cellular senescence. Int Immunopharmacol 2023; 114:109549. [PMID: 36508921 DOI: 10.1016/j.intimp.2022.109549] [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: 10/26/2022] [Revised: 12/02/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Sulfur mustard (SM) is a toxic gas that causes chronic inflammation and oxidative stress leading to cell senescence. This study aimed to evaluate two indicators of biological aging (i.e., serum lipofuscin level and leukocyte telomere length) and assess their relationship based on the severity of SM exposure in the long term. METHODS The study was performed on two groups of male participants. 1) SM-exposed group (exposed to SM once in 1987), 73 volunteers. 2) Non-exposed group, 16 healthy volunteers. The SM-exposed group was categorized into three subgroups based on the severity of SM exposure and body damage (asymptom, mild, and severe). The blood sample was prepared from members of each group. The serum lipofuscin, TGF-β, malondialdehyde (MDA), c-reactive protein (CRP), and leukocyte telomere length (TL) were measured in all participants. RESULTS The MDA level was increased in the SM-exposed group (mean = 39.6 µM, SD = 16.5) compared to the non-exposed group (mean = 21.1 µM, SD = 10.3) (P < 0.05). The CRP level was also increased in the SM-exposed group (mean = 5.12 mg/l, SD = 3.36) compared to the non-exposed group (mean = 3.51 mg/l, SD = 1.21), while the TGF-β level was decreased (P < 0.05) in the SM-exposed group (mean = 52.6 pg/ml, SD = 18.7) compared to the non-exposed group (mean = 68.9 pg/ml, SD = 13.8). The relative TL was shorter in the SM-exposed group (mean = 0.40, SD = 0.28) than in the non-exposed group (mean = 2.25, SD = 1.41) (P < 0.05). The lipofuscin level was higher in the total SM-exposed group (mean = 1.44 ng/ml, SD = 0.685) than in the non-exposed group (mean = 0.88 ng/ml, SD = 0.449) (P < 0.05). The MDA and CRP levels were increased in the SM-exposed subgroups of asymptom, mild, and severe than the non-exposed group, while TGF-β level and TL were decreased in those subgroups. The lipofuscin level was higher in the SM-exposed subgroups of mild and severe than in the non-exposed group. The regression analysis determined a negative correlation between lipofuscin level and TL. The lipofuscin/TL ratio was higher in the total SM-exposed group (mean = 6.36, SD = 5.342) than in the non-exposed group (mean = 0.51, SD=0.389). This ratio was also higher in the SM-exposed subgroups of asymptom, mild, and severe than in the non-exposed group. The lipofuscin/TL ratio did not differ between mild and severe subgroups. CONCLUSION The delayed toxicity of SM is associated with chronic oxidative stress, continuous inflammatory stimulation, increased lipofuscin, and telomere shortening. Future studies are needed to verify the suitability of serum lipofuscin to telomere length ratio in determining the severity of SM toxicity.
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Affiliation(s)
- Leila Nasiri
- Department of Health Equity, Immunoregulation Research Center, Shahed University, Tehran, Iran
| | - Mohammad-Reza Vaez-Mahdavi
- Department of Health Equity, Immunoregulation Research Center, Shahed University, Tehran, Iran; Department of Physiology, Medical Faculty, Shahed University, Tehran, Iran.
| | - Hossein Hassanpour
- Department of Basic Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
| | - Tooba Ghazanfari
- Immunoregulation Research Center, Shahed University, Tehran, Iran
| | - Sussan Kaboudanian Ardestani
- Immunoregulation Research Center, Shahed University, Tehran, Iran; Institute of Biochemistry and Biophysics, Department of Biochemistry, University of Tehran, Tehran, Iran
| | - Nayere Askari
- Immunoregulation Research Center, Shahed University, Tehran, Iran; Department of biology, Faculty of Basic Sciences, Shahid Bahonar University, Kerman, Iran
| | | | - Bahman Rahimlou
- Department of Immunology, Faculty of Medicine, Shahed University, Tehran, Iran
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22
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Bai X, Shi S, Kong B, Chen Q, Liu Q, Li Z, Wu K, Xia X. Analysis of the influencing mechanism of the freeze–thawing cycles on in vitro chicken meat digestion based on protein structural changes. Food Chem 2023; 399:134020. [DOI: 10.1016/j.foodchem.2022.134020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 10/15/2022]
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23
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Gao H, Zhou Y, Jin PS, Wu DG, Wang YN, Zhao X, Zhao B. Molecular alteration of the proteasome contributes to AD-like pathology in the brain of HFD-STZ diabetic rats. Metab Brain Dis 2022; 38:1013-1024. [PMID: 36580191 DOI: 10.1007/s11011-022-01151-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 12/21/2022] [Indexed: 12/30/2022]
Abstract
Diabetes-related cognitive impairment has been shown in diverse epidemiological investigations and lab-based studies, although the underlying pathological mechanisms remain unclear. Unbalanced protein homeostasis may contribute to cognitive decline by inducing abnormal protein aggregation in the diabetic brain. This study aimed to determine possible changes in the proteasome, which is an important pathway involved in abnormal protein degradation. To this end, we examined potential alterations of proteasomal subunits and hydrolytic activity in the brain of diabetic rats fed with high-fat diet combined with small doses of streptozotocin (STZ). Furthermore, lactacystin were used to inhibit proteasomal activity in vivo and typical Alzheimer's disease (AD)-like pathologies were detected, including amyloid-beta, tau phosphorylation, and oxidative protein changes. Our results showed that proteasomal activity increased in the brains of diabetic rats compared to age-matched control rats. After proteasome inhibition, the levels of tau phosphorylation and protein oxidative modification significantly increased; however, no changes were detected in the pathway involved in amyloid production. These results indicated that changes in protein homeostasis balance in diabetes play a role in some typical AD-like changes, especially in oxidative protein degradation, providing evidence that prevention of diabetes-induced protein imbalance may be a potential therapeutic target.
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Affiliation(s)
- Han Gao
- School of Basic Medicine Sciences, Dali University, 6Th Xue-Ren Road, Dali, 671000, Yunnan Province, People's Republic of China
| | - Ye Zhou
- School of Basic Medicine Sciences, Dali University, 6Th Xue-Ren Road, Dali, 671000, Yunnan Province, People's Republic of China
| | - Peng-Shuai Jin
- School of Basic Medicine Sciences, Dali University, 6Th Xue-Ren Road, Dali, 671000, Yunnan Province, People's Republic of China
- Zhalantun Vocational College, 20Th Zhongyang Road, Hulunbuir, NeiMonggol Autonomous Region, People's Republic of China
| | - Dong-Gui Wu
- School of Basic Medicine Sciences, Dali University, 6Th Xue-Ren Road, Dali, 671000, Yunnan Province, People's Republic of China
- Zhuhai City People's Hospital, Zhuhai, Guangdong Province, People's Republic of China
| | - Yu-Na Wang
- School of Basic Medicine Sciences, Dali University, 6Th Xue-Ren Road, Dali, 671000, Yunnan Province, People's Republic of China
| | - Xi Zhao
- School of Basic Medicine Sciences, Dali University, 6Th Xue-Ren Road, Dali, 671000, Yunnan Province, People's Republic of China
| | - Bei Zhao
- School of Basic Medicine Sciences, Dali University, 6Th Xue-Ren Road, Dali, 671000, Yunnan Province, People's Republic of China.
- Li Yunqing Expert Workstation of Yunnan Province (No.202005AF150014), Dali University, 6Th Xue-Ren Road, Dali, Yunnan Province, People's Republic of China.
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24
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Oxidative-Stress-Associated Proteostasis Disturbances and Increased DNA Damage in the Hippocampal Granule Cells of the Ts65Dn Model of Down Syndrome. Antioxidants (Basel) 2022; 11:antiox11122438. [PMID: 36552646 PMCID: PMC9774833 DOI: 10.3390/antiox11122438] [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: 08/23/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress (OS) is one of the neuropathological mechanisms responsible for the deficits in cognition and neuronal function in Down syndrome (DS). The Ts65Dn (TS) mouse replicates multiple DS phenotypes including hippocampal-dependent learning and memory deficits and similar brain oxidative status. To better understand the hippocampal oxidative profile in the adult TS mouse, we analyzed cellular OS-associated alterations in hippocampal granule cells (GCs), a neuronal population that plays an important role in memory formation and that is particularly affected in DS. For this purpose, we used biochemical, molecular, immunohistochemical, and electron microscopy techniques. Our results indicate that TS GCs show important OS-associated alterations in the systems essential for neuronal homeostasis: DNA damage response and proteostasis, particularly of the proteasome and lysosomal system. Specifically, TS GCs showed: (i) increased DNA damage, (ii) reorganization of nuclear proteolytic factories accompanied by a decline in proteasome activity and cytoplasmic aggregation of ubiquitinated proteins, (iii) formation of lysosomal-related structures containing lipid droplets of cytotoxic peroxidation products, and (iv) mitochondrial ultrastructural defects. These alterations could be implicated in enhanced cellular senescence, accelerated aging and neurodegeneration, and the early development of Alzheimer's disease neuropathology present in TS mice and the DS population.
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25
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Jiang Y, Indrajith S, Perez Mellor AF, Bürgi T, Lecouvey M, Clavaguéra C, Bodo E, Houée-Levin C, Loire E, Berden G, Oomens J, Scuderi D. Final Products of One-Electron Oxidation of Cyclic Dipeptides Containing Methionine Investigated by IRMPD Spectroscopy: Does the Free Radical Choose the Final Compound? J Phys Chem B 2022; 126:10055-10068. [PMID: 36417492 DOI: 10.1021/acs.jpcb.2c06541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Reactive oxygen species (ROS) such as hydrogen peroxide (H2O2) and the hydroxyl radical (•OH) have specific functions in biological processes, while their uncontrolled production and reactivity are known to be determining factors in pathophysiology. Methionine (Met) residues act as endogenous antioxidants, when they are oxidized into methionine sulfoxide (MetSO), thus depleting ROS and protecting the protein. We employed tandem mass spectrometry combined with IR multiple photon dissociation spectroscopy to study the oxidation induced by OH radicals produced by γ radiolysis on model cyclic dipeptides c(LMetLMet), c(LMetDMet), and c(GlyMet). Our aim was to characterize the geometries of the oxidized peptides in the gas phase and to understand the relationship between the structure of the 2-center 3-electron (2c-3e) free radical formed in the first step of the oxidation process and the final compound. Density functional theory calculations were performed to characterize the lowest energy structures of the final product of oxidation and to interpret the IR spectra. Collision-induced dissociation tandem mass spectrometry (CID-MS2) experiments of oxidized c(LMetLMet)H+ and c(LMetDMet)H+ led to the loss of one or two oxidized sulfenic acid molecules, indicating that the addition of one or two oxygen atoms occurs on the sulfur atom of both methionine side chains and no sulfone formation was observed. The CID-MS2 fragmentation mass spectrum of oxidized c(GlyMet)H+ showed only the loss of one oxidized sulfenic acid molecule. Thus, the final products of oxidation are the same regardless of the structure of the precursor sulfur-centered free radical.
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Affiliation(s)
- Yining Jiang
- Université Paris-Saclay, CNRS, Institut de Chimie Physique, UMR 8000, 91405 Orsay, France
| | - Suvasthika Indrajith
- Université Paris-Saclay, CNRS, Institut de Chimie Physique, UMR 8000, 91405 Orsay, France.,Stockholm University, Roslagstullsbacken 21 C, plan 4, Albano, Fysikum, 106 91 Stockholm, Sweden
| | - Ariel Francis Perez Mellor
- Faculté des Sciences, Section de Chimie et Biologie, Département de Chimie Physique, Université de Genève, 30 Quai Ernest-Ansermet, CH-1211 Genève, Switzerland
| | - Thomas Bürgi
- Faculté des Sciences, Section de Chimie et Biologie, Département de Chimie Physique, Université de Genève, 30 Quai Ernest-Ansermet, CH-1211 Genève, Switzerland
| | - Marc Lecouvey
- Department of Chemistry, Université Sorbonne Paris Nord, CSPBAT, CNRS, UMR 7244, 1 rue de Chablis, F-93000 Bobigny, France
| | - Carine Clavaguéra
- Université Paris-Saclay, CNRS, Institut de Chimie Physique, UMR 8000, 91405 Orsay, France
| | - Enrico Bodo
- Departement of Chemistry, Università di Roma La Sapienza, P. Aldo Moro 5, 00185 Rome, Italy
| | - Chantal Houée-Levin
- Université Paris-Saclay, CNRS, Institut de Chimie Physique, UMR 8000, 91405 Orsay, France
| | - Estelle Loire
- Université Paris-Saclay, CNRS, Institut de Chimie Physique, UMR 8000, 91405 Orsay, France
| | - Giel Berden
- FELIX Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7, 6525 ED Nijmegen, The Netherlands
| | - Jos Oomens
- FELIX Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7, 6525 ED Nijmegen, The Netherlands.,Van't Hoff Institute for Molecular Sciences, University of Amsterdam, P.O. Box 94157, 1090 GD Amsterdam, The Netherlands
| | - Debora Scuderi
- Université Paris-Saclay, CNRS, Institut de Chimie Physique, UMR 8000, 91405 Orsay, France
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26
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Weinberg J, Gaur M, Swaroop A, Taylor A. Proteostasis in aging-associated ocular disease. Mol Aspects Med 2022; 88:101157. [PMID: 36459837 PMCID: PMC9742340 DOI: 10.1016/j.mam.2022.101157] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 11/15/2022] [Indexed: 11/30/2022]
Abstract
Vision impairment has devastating consequences for the quality of human life. The cells and tissues associated with the visual process must function throughout one's life span and maintain homeostasis despite exposure to a variety of insults. Maintenance of the proteome is termed proteostasis, and is vital for normal cellular functions, especially at an advanced age. Here we describe basic aspects of proteostasis, from protein synthesis and folding to degradation, and discuss the current status of the field with a particular focus on major age-related eye diseases: age-related macular degeneration, cataract, and glaucoma. Our intent is to allow vision scientists to determine where and how to harness the proteostatic machinery for extending functional homeostasis in the aging retina, lens, and trabecular meshwork. Several common themes have emerged despite these tissues having vastly different metabolisms. Continued exposure to insults, including chronic stress with advancing age, increases proteostatic burden and reduces the fidelity of the degradation machineries including the ubiquitin-proteasome and the autophagy-lysosome systems that recognize and remove damaged proteins. This "double jeopardy" results in an exponential accumulation of cytotoxic proteins with advancing age. We conclude with a discussion of the challenges in maintaining an appropriate balance of protein synthesis and degradation pathways, and suggest that harnessing proteostatic capacities should provide new opportunities to design interventions for attenuating age-related eye diseases before they limit sight.
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Affiliation(s)
- Jasper Weinberg
- Laboratory for Nutrition and Vision Research, USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, 02111, USA
| | - Mohita Gaur
- Neurobiology, Neurodegeneration & Repair Laboratory, National Eye Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Anand Swaroop
- Neurobiology, Neurodegeneration & Repair Laboratory, National Eye Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Allen Taylor
- Laboratory for Nutrition and Vision Research, USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, 02111, USA.
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27
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Rullo L, Caputi FF, Losapio LM, Morosini C, Posa L, Canistro D, Vivarelli F, Romualdi P, Candeletti S. Effects of Different Opioid Drugs on Oxidative Status and Proteasome Activity in SH-SY5Y Cells. Molecules 2022; 27:8321. [PMID: 36500414 PMCID: PMC9738452 DOI: 10.3390/molecules27238321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/28/2022] [Accepted: 11/22/2022] [Indexed: 12/02/2022] Open
Abstract
Opioids are the most effective drugs used for the management of moderate to severe pain; however, their chronic use is often associated with numerous adverse effects. Some results indicate the involvement of oxidative stress as well as of proteasome function in the development of some opioid-related side effects including analgesic tolerance, opioid-induced hyperalgesia (OIH) and dependence. Based on the evidence, this study investigated the impact of morphine, buprenorphine or tapentadol on intracellular reactive oxygen species levels (ROS), superoxide dismutase activity/gene expression, as well as β2 and β5 subunit proteasome activity/biosynthesis in SH-SY5Y cells. Results showed that tested opioids differently altered ROS production and SOD activity/biosynthesis. Indeed, the increase in ROS production and the reduction in SOD function elicited by morphine were not shared by the other opioids. Moreover, tested drugs produced distinct changes in β2(trypsin-like) and β5(chymotrypsin-like) proteasome activity and biosynthesis. In fact, while prolonged morphine exposure significantly increased the proteolytic activity of both subunits and β5 mRNA levels, buprenorphine and tapentadol either reduced or did not alter these parameters. These results, showing different actions of the selected opioid drugs on the investigated parameters, suggest that a low µ receptor intrinsic efficacy could be related to a smaller oxidative stress and proteasome activation and could be useful to shed more light on the role of the investigated cellular processes in the occurrence of these opioid drug side effects.
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Affiliation(s)
- Laura Rullo
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Francesca Felicia Caputi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Loredana Maria Losapio
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Camilla Morosini
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Luca Posa
- Department of Pharmacology and Experimental Therapeutics, Boston University, 700 Albany Street, Boston, MA 02118, USA
| | - Donatella Canistro
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Fabio Vivarelli
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Patrizia Romualdi
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Sanzio Candeletti
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
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28
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Radiotherapy Side Effects: Comprehensive Proteomic Study Unraveled Neural Stem Cell Degenerative Differentiation upon Ionizing Radiation. Biomolecules 2022; 12:biom12121759. [PMID: 36551187 PMCID: PMC9775306 DOI: 10.3390/biom12121759] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/11/2022] [Accepted: 11/15/2022] [Indexed: 11/29/2022] Open
Abstract
Cranial radiation therapy is one of the most effective treatments for childhood brain cancers. Despite the ameliorated survival rate of juvenile patients, radiation exposure-induced brain neurogenic region injury could markedly impair patients' cognitive functions and even their quality of life. Determining the mechanism underlying neural stem cells (NSCs) response to irradiation stress is a crucial therapeutic strategy for cognitive impairment. The present study demonstrated that X-ray irradiation arrested NSCs' cell cycle and impacted cell differentiation. To further characterize irradiation-induced molecular alterations in NSCs, two-dimensional high-resolution mass spectrometry-based quantitative proteomics analyses were conducted to explore the mechanism underlying ionizing radiation's influence on stem cell differentiation. We observed that ionizing radiation suppressed intracellular protein transport, neuron projection development, etc., particularly in differentiated cells. Redox proteomics was performed for the quantification of cysteine thiol modifications in order to profile the oxidation-reduction status of proteins in stem cells that underwent ionizing radiation treatment. Via conjoint screening of protein expression abundance and redox status datasets, several significantly expressed and oxidized proteins were identified in differentiating NSCs subjected to X-ray irradiation. Among these proteins, succinate dehydrogenase [ubiquinone] flavoprotein subunit, mitochondrial (sdha) and the acyl carrier protein, mitochondrial (Ndufab1) were highly related to neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease, and Huntington's disease, illustrating the dual-character of NSCs in cell differentiation: following exposure to ionizing radiation, the normal differentiation of NSCs was compromised, and the upregulated oxidized proteins implied a degenerative differentiation trajectory. These findings could be integrated into research on neurodegenerative diseases and future preventive strategies.
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29
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Ochneva A, Zorkina Y, Abramova O, Pavlova O, Ushakova V, Morozova A, Zubkov E, Pavlov K, Gurina O, Chekhonin V. Protein Misfolding and Aggregation in the Brain: Common Pathogenetic Pathways in Neurodegenerative and Mental Disorders. Int J Mol Sci 2022; 23:14498. [PMID: 36430976 PMCID: PMC9695177 DOI: 10.3390/ijms232214498] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/07/2022] [Accepted: 11/19/2022] [Indexed: 11/23/2022] Open
Abstract
Mental disorders represent common brain diseases characterized by substantial impairments of social and cognitive functions. The neurobiological causes and mechanisms of psychopathologies still have not been definitively determined. Various forms of brain proteinopathies, which include a disruption of protein conformations and the formation of protein aggregates in brain tissues, may be a possible cause behind the development of psychiatric disorders. Proteinopathies are known to be the main cause of neurodegeneration, but much less attention is given to the role of protein impairments in psychiatric disorders' pathogenesis, such as depression and schizophrenia. For this reason, the aim of this review was to discuss the potential contribution of protein illnesses in the development of psychopathologies. The first part of the review describes the possible mechanisms of disruption to protein folding and aggregation in the cell: endoplasmic reticulum stress, dysfunction of chaperone proteins, altered mitochondrial function, and impaired autophagy processes. The second part of the review addresses the known proteins whose aggregation in brain tissue has been observed in psychiatric disorders (amyloid, tau protein, α-synuclein, DISC-1, disbindin-1, CRMP1, SNAP25, TRIOBP, NPAS3, GluA1, FABP, and ankyrin-G).
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Affiliation(s)
- Aleksandra Ochneva
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Yana Zorkina
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Olga Abramova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Olga Pavlova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
| | - Valeriya Ushakova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
- Department of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Anna Morozova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Eugene Zubkov
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
| | - Konstantin Pavlov
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Olga Gurina
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
| | - Vladimir Chekhonin
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Department of Medical Nanobiotechnology, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
- National University of Science and Technology “MISiS”, Leninskiy Avenue 4, 119049 Moscow, Russia
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Bekker S, Potgieter CA, van Staden V, Theron J. Investigating the Role of African Horse Sickness Virus VP7 Protein Crystalline Particles on Virus Replication and Release. Viruses 2022; 14:2193. [PMID: 36298748 PMCID: PMC9608501 DOI: 10.3390/v14102193] [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: 08/05/2022] [Revised: 09/19/2022] [Accepted: 09/28/2022] [Indexed: 11/07/2022] Open
Abstract
African horse sickness is a deadly and highly infectious disease of equids, caused by African horse sickness virus (AHSV). AHSV is one of the most economically important members of the Orbivirus genus. AHSV is transmitted by the biting midge, Culicoides, and therefore replicates in both insect and mammalian cell types. Structural protein VP7 is a highly conserved major core protein of orbiviruses. Unlike any other orbivirus VP7, AHSV VP7 is highly insoluble and forms flat hexagonal crystalline particles of unknown function in AHSV-infected cells and when expressed in mammalian or insect cells. To examine the role of AHSV VP7 in virus replication, a plasmid-based reverse genetics system was used to generate a recombinant AHSV that does not form crystalline particles. We characterised the role of VP7 crystalline particle formation in AHSV replication in vitro and found that soluble VP7 interacted with viral proteins VP2 and NS2 similarly to wild-type VP7 during infection. Interestingly, soluble VP7 was found to form uncharacteristic tubule-like structures in infected cells which were confirmed to be as a result of unique VP7-NS1 colocalisation. Furthermore, it was found that VP7 crystalline particles play a role in AHSV release and yield. This work provides insight into the role of VP7 aggregation in AHSV cellular pathogenesis and contributes toward the understanding of the possible effects of viral protein aggregation in other human virus-borne diseases.
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Affiliation(s)
- Shani Bekker
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Hatfield 0083, South Africa
| | - Christiaan A. Potgieter
- Deltamune (Pty) Ltd., 3 Bauhinia Street, Unit 34 Oxford Office Park, Highveld Techno Park, Centurion 0169, South Africa
- Human Metabolomics, Faculty of Natural and Agricultural Sciences, North-West University, Potchefstroom 2520, South Africa
| | - Vida van Staden
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Hatfield 0083, South Africa
| | - Jacques Theron
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Hatfield 0083, South Africa
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31
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Negre-Salvayre A, Swiader A, Salvayre R, Guerby P. Oxidative stress, lipid peroxidation and premature placental senescence in preeclampsia. Arch Biochem Biophys 2022; 730:109416. [PMID: 36179910 DOI: 10.1016/j.abb.2022.109416] [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: 07/17/2022] [Revised: 09/19/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022]
Abstract
Accelerated placental senescence is associated with preeclampsia (PE) and other pregnancy complications. It is characterized by an accelerated decline in placental function due to the accumulation of senescence patterns such as telomere shortening, mitochondrial dysfunction, oxidative damages, increased expression of phosphorylated (serine-139) histone γ-H2AX, a sensitive marker of double-stranded DNA breaks, accumulation of cross-linked ubiquitinated proteins and sirtuin inhibition. Among the lipid oxidation products generated by the peroxidation of polyunsaturated fatty acids, aldehydes such as acrolein, 4-hydroxy-2-nonenal, 4-oxo-2-nonenal, are present in the blood and placenta from PE-affected women and could contribute to PE pathogenesis and accelerated placental aging. In this review we summarize the current knowledge on premature placental senescence and the role of oxidative stress and lipid oxidation-derived aldehydes in this process, as well as their links with PE pathogenesis. The interest of developing (or not) new therapeutic strategies targeting lipid peroxidation is discussed, the objective being a better understanding of accelerated placental aging in PE pathophysiology, and the prevention of PE bad outcomes.
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Affiliation(s)
| | | | | | - Paul Guerby
- lnfinity, CNRS, Inserm UMR 1291, University Toulouse III and Gynecology/Obstetrics Department, Paule-de-Viguier Hospital, Toulouse, France
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Koletti A, Dervisi I, Kalloniati C, Zografaki ME, Rennenberg H, Roussis A, Flemetakis E. Selenium-binding Protein 1 (SBD1): A stress response regulator in Chlamydomonas reinhardtii. PLANT PHYSIOLOGY 2022; 189:2368-2381. [PMID: 35579367 PMCID: PMC9342975 DOI: 10.1093/plphys/kiac230] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/04/2022] [Indexed: 05/20/2023]
Abstract
Selenium-binding proteins (SBPs) represent a ubiquitous protein family implicated in various environmental stress responses, although the exact molecular and physiological role of the SBP family remains elusive. In this work, we report the identification and characterization of CrSBD1, an SBP homolog from the model microalgae Chlamydomonas reinhardtii. Growth analysis of the C. reinhardtii sbd1 mutant strain revealed that the absence of a functional CrSBD1 resulted in increased growth under mild oxidative stress conditions, although cell viability rapidly declined at higher hydrogen peroxide (H2O2) concentrations. Furthermore, a combined global transcriptomic and metabolomic analysis indicated that the sbd1 mutant exhibited a dramatic quenching of the molecular and biochemical responses upon H2O2-induced oxidative stress when compared to the wild-type. Our results indicate that CrSBD1 represents a cell regulator, which is involved in the modulation of C. reinhardtii early responses to oxidative stress. We assert that CrSBD1 acts as a member of an extensive and conserved protein-protein interaction network including Fructose-bisphosphate aldolase 3, Cysteine endopeptidase 2, and Glutaredoxin 6 proteins, as indicated by yeast two-hybrid assays.
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Affiliation(s)
- Aikaterini Koletti
- Department of Biotechnology, School of Applied Biology and Biotechnology, Agricultural University of Athens, Athens 11855, Greece
| | - Irene Dervisi
- Department of Botany, Faculty of Biology, National & Kapodistrian University of Athens, Athens 15784, Greece
| | - Chrysanthi Kalloniati
- Department of Biotechnology, School of Applied Biology and Biotechnology, Agricultural University of Athens, Athens 11855, Greece
| | - Maria-Eleftheria Zografaki
- Department of Biotechnology, School of Applied Biology and Biotechnology, Agricultural University of Athens, Athens 11855, Greece
| | - Heinz Rennenberg
- Center of Molecular Ecophysiology (CMEP), College of Resources and Environment, Chongqing 400715, China
| | - Andreas Roussis
- Department of Botany, Faculty of Biology, National & Kapodistrian University of Athens, Athens 15784, Greece
| | - Emmanouil Flemetakis
- Department of Biotechnology, School of Applied Biology and Biotechnology, Agricultural University of Athens, Athens 11855, Greece
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33
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Kantserova NP, Tushina ED, Sukhovskaya IV, Lysenko LA. Oxidative Modification and Proteolysis of Hepatic Proteins in Reared Rainbow Trout Affected by Environmental Factors. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1068162022030086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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34
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Connolly M, Little S, Hartl MGJ, Fernandes TF. An Integrated Testing Strategy for Ecotoxicity (ITS-ECO) Assessment in the Marine Environmental Compartment using Mytilus spp.: A Case Study using Pristine and Coated CuO and TiO 2 Nanomaterials. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:1390-1406. [PMID: 35226375 PMCID: PMC9321938 DOI: 10.1002/etc.5313] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/21/2021] [Accepted: 02/16/2022] [Indexed: 06/14/2023]
Abstract
An integrated testing strategy for ecotoxicity assessment (ITS-ECO) was developed to aid in the hazard and fate assessment of engineered nanomaterials (ENMs) deposited in marine environments using the bivalve Mytilus spp. as a test species. The ENMs copper(II) oxide (CuO) and titanium dioxide (TiO2 ), either in pristine form (core) or with functionalized coatings (polyethylene glycol [PEG], carboxyl [COOH], and ammonia [NH3 ]) were selected as case study materials based on their production levels and use. High-throughput in vitro testing in Tier 1 of the ITS-ECO revealed CuO ENMs to elicit cytotoxic effects on lysosomes of hemocytes of mussels, with the hazard potential CuO PEG > CuO COOH > CuO NH3 > CuO core, whereas TiO2 ENMs were not cytotoxic. Genotoxicity in hemocytes as well as gill cells of mussels following in vivo exposure (48 h) to CuO ENMs was also seen. Longer in vivo exposures in Tier 2 (48 h-21 days) revealed subacute and chronic oxidative effects for both CuO and TiO2 ENMs, in some cases leading to lipid peroxidation (core TiO2 ENMs). In Tier 3 bioaccumulation studies, distinct patterns of uptake for Cu (predominantly in gills) and Ti (predominantly in digestive glands) and between the different core and coated ENMs were found. Clear NM-specific and coating-dependent effects on hazard and fate were seen. Overall, using a tiered testing approach, the ITS-ECO was able to differentiate the hazard (acute, subacute, and chronic effects) posed by ENMs of different compositions and coatings and to provide information on fate for environmental risk assessment of these ENMs. Environ Toxicol Chem 2022;41:1390-1406. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Mona Connolly
- Institute of Life and Earth SciencesHeriot‐Watt UniversityEdinburghUnited Kingdom
| | - Simon Little
- Institute of Life and Earth SciencesHeriot‐Watt UniversityEdinburghUnited Kingdom
| | - Mark G. J. Hartl
- Institute of Life and Earth SciencesHeriot‐Watt UniversityEdinburghUnited Kingdom
| | - Teresa F. Fernandes
- Institute of Life and Earth SciencesHeriot‐Watt UniversityEdinburghUnited Kingdom
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35
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Effects of Peroxyl Radicals on the Structural Characteristics and Fatty Acid Composition of High-Density Lipoprotein from Duck Egg Yolk. Foods 2022; 11:foods11111634. [PMID: 35681384 PMCID: PMC9180385 DOI: 10.3390/foods11111634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/27/2022] [Accepted: 05/28/2022] [Indexed: 11/17/2022] Open
Abstract
In this study, high-density lipoprotein (HDL) from duck egg yolk was subjected to oxidation with a system based on 2,2′-azobis (2-amidinopropane) dihydrochloride (AAPH)-derived peroxyl radicals. The effects of peroxyl radicals on the protein carbonyl, free sulfhydryl, secondary/tertiary structure, surface hydrophobicity, solubility, particle size distribution, zeta potential and fatty acid composition of HDL were investigated by using sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), Fourier-transform infrared spectroscopy (FTIR), circular dichroism (CD), fluorescence spectroscopy, dynamic light scattering and ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS). The results indicated that the content of protein carbonyl was significantly increased, that of free sulfhydryl was obviously reduced, and the ordered secondary structure was also decreased with increasing AAPH concentration. In addition, the surface hydrophobicity and solubility of HDL showed apparent increases due to the exposure of hydrophobic groups and aggregation of protein caused by oxidation. The fatty acid composition of HDL exhibited pronounced changes due to the disrupted protein–lipid interaction and lipid oxidation by AAPH-derived peroxyl radicals. These results may help to elucidate the molecular mechanism for the effect of lipid oxidation products on the oxidation of duck yolk proteins.
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36
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Lima RS, Carrettiero DC, Ferrari MFR. BAG2 prevents Tau hyperphosphorylation and increases p62/SQSTM1 in cell models of neurodegeneration. Mol Biol Rep 2022; 49:7623-7635. [PMID: 35612780 DOI: 10.1007/s11033-022-07577-w] [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: 02/16/2022] [Accepted: 05/06/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Protein aggregates are pathological hallmarks of many neurodegenerative diseases, however the physiopathological role of these aggregates is not fully understood. Protein quality control has a pivotal role for protein homeostasis and depends on specific chaperones. The co-chaperone BAG2 can target phosphorylated Tau for degradation by an ubiquitin-independent pathway, although its possible role in autophagy was not yet elucidated. In view of this, the aim of the present study was to investigate the association among protein aggregation, autophagy and BAG2 levels in cultured cells from hippocampus and locus coeruleus as well as in SH-SY5Y cell line upon different protein aggregation scenarios induced by rotenone, which is a flavonoid used as pesticide and triggers neurodegeneration. METHODS AND RESULTS The present study showed that rotenone exposure at 0.3 nM for 48 h impaired autophagy prior to Tau phosphorylation at Ser199/202 in hippocampus but not in locus coeruleus cells, suggesting that distinct neuron cells respond differently to rotenone toxicity. Rotenone induced Tau phosphorylation at Ser199/202, together with a decrease in the endogenous BAG2 protein levels in SH-SY5Y and hippocampus cell culture, which indicates that rotenone and Tau hyperphosphorylation can affect this co-chaperone. Finally, it has been shown that BAG2 overexpression, increased p62/SQSTM1 levels in cells from hippocampus and locus coeruleus, stimulated LC3II recycling as well as prevented the raise of phosphorylated Tau at Ser199/202 in hippocampus. CONCLUSIONS Results demonstrate a possible role for BAG2 in degradation pathways of specific substrates and its importance for the study of cellular aspects of neurodegenerative diseases.
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Affiliation(s)
- Raquel S Lima
- Departamento de Genetica e Biologia Evolutiva, Instituto de Biociencias, Universidade de Sao Paulo, Rua do Matao, 277, Cidade Universitaria, Sao Paulo, SP, 05508-090, Brazil
| | - Daniel C Carrettiero
- Centro de Ciencias Naturais e Humanas, Universidade Federal do ABC, Santo Andre, SP, Brazil
| | - Merari F R Ferrari
- Departamento de Genetica e Biologia Evolutiva, Instituto de Biociencias, Universidade de Sao Paulo, Rua do Matao, 277, Cidade Universitaria, Sao Paulo, SP, 05508-090, Brazil.
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37
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Zhang J, Wang J, Li M, Guo S, Lv Y. Effects of heat treatment on protein molecular structure and in vitro digestion in whole soybeans with different moisture content. Food Res Int 2022; 155:111115. [PMID: 35400406 DOI: 10.1016/j.foodres.2022.111115] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/05/2022] [Accepted: 03/08/2022] [Indexed: 11/17/2022]
Abstract
The effects of heat treatment on protein structure and in vitro digestibility in whole soybeans with different moisture content (10.68%, 29.70%, 46.29%, and 62.05% wet basis) were investigated. Scanning electronic microscopy presented that thermal treatment destroyed the subcellular structure of soybean seeds and resulted in formation of protein aggregates. When β-conglycinin (7S) was heat-denatured, the protein aggregates were maintained mainly by hydrogen bonds and hydrophobic interactions (non-covalent) for each moisture content. Also, the decrease of the protein solubility and increase of in vitro digestibility were observed. However, when glycinin (11S) was denatured in soybeans with 10.68% and 29.70% moisture content, the insoluble and indigestible protein aggregates with protein oxidation-induced crosslinking and high content of β-sheet were presented; in contrast, for 46.29% and 62.05% moisture content, mild protein oxidation, low content of β-sheet, non-covalent interactions and increased protein digestibility were shown. Non-covalent interactions were shown a positive correlation with gastrointestinal digestibility (r = 0.59, p < 0.05). Meanwhile, protein oxidation or β-sheet content was significantly negatively correlated with in vitro protein digestibility (r = -0.69 and -0.61, respectively, p < 0.05). Protein structure rather than solubility contributed to difference of in vitro digestibility. The optimum thermal conditions to obtain high-quality digestible protein in whole soybeans are 160 °C for 10.68%, 145 °C for 29.70%, 160 °C for 46.29% and 115 °C/140 °C for 62.05% moisture content.
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Affiliation(s)
- Jiayu Zhang
- Beijing Laboratory for Food Quality and Safety Key Laboratory of Agricultural Product Detection and Control for Spoilage Organisms and Pesticides Food Science and Engineering College, Beijing University of Agriculture, Beijing 102206, China
| | - Jing Wang
- Beijing Laboratory for Food Quality and Safety Key Laboratory of Agricultural Product Detection and Control for Spoilage Organisms and Pesticides Food Science and Engineering College, Beijing University of Agriculture, Beijing 102206, China
| | - Mengdi Li
- Beijing Laboratory for Food Quality and Safety Key Laboratory of Agricultural Product Detection and Control for Spoilage Organisms and Pesticides Food Science and Engineering College, Beijing University of Agriculture, Beijing 102206, China
| | - Shuntang Guo
- Beijing Key Laboratory of Plant Protein and Cereal Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Ying Lv
- Beijing Laboratory for Food Quality and Safety Key Laboratory of Agricultural Product Detection and Control for Spoilage Organisms and Pesticides Food Science and Engineering College, Beijing University of Agriculture, Beijing 102206, China.
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38
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Tarbali S, Karami Mehrian S, Khezri S. Toxicity effects evaluation of green synthesized silver nanoparticles on intraperitoneally exposed male Wistar rats. Toxicol Mech Methods 2022; 32:488-500. [DOI: 10.1080/15376516.2022.2049412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Sepideh Tarbali
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran.
| | - Saeed Karami Mehrian
- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran.
- Department of Biology, Faculty of Sciences, University of Razi, Kermanshah, Iran
| | - Shiva Khezri
- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran.
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Hnatush SO, Maslovska OD, Komplikevych SY, Kovbasa IV. Influence of cobalt chloride and ferric citrate on purple non-sulfur bacteria Rhodopseudomonas yavorovii. BIOSYSTEMS DIVERSITY 2022. [DOI: 10.15421/012204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Heavy metals that enter the environment due to natural processes or industrial activities, when accumulated, have a negative impact on organisms, including microorganisms. Microorganisms have developed various adaptations to heavy metal compounds. The aim of our work was to investigate the influence of ferric citrate and cobalt (II) chloride on biomass accumulation, indicators of free radical damage and activity of enzymes of the antioxidant defense system of bacteria Rhodopseudomonas yavorovii IMV B-7620, that were isolated from the water of Yavorivske Lake (Ukraine, Lviv region), which was formed as a result of flooding of a sulfur quarry. We used cultural, photometric methods, and statistical processing of the results was performed using two-way ANOVA and factor analysis. It was found that ferric citrate at a concentration of 1–12 mM causes inhibition of the accumulation of biomass of bacteria Rh. yavorovii IMV B-7620 up to 44.7%, and cobalt (II) chloride at a concentration of 1–15 mM – up to 70.4%, compared with the control. The studied concentrations of ferric citrate and cobalt (II) chloride cause free radical damage to lipids and proteins of Rh. yavorovii IMV B-7620. As a result of two-way ANOVA we found that under the influence of ferric citrate statistically significant changes in biomass accumulation, lipid hydroperoxides and thiobarbiturate reactive species content, superoxide dismutase activity were predetermined by increasing the concentration of metal salts as well as increasing the duration of cultivation of bacteria, while the content of diene conjugates and catalase activity changed with increasing duration of cultivation. Under the influence of cobalt (II) chloride, statistically significant changes in all studied indicators were found both due to the increase in the concentration of metal salts and with increasing duration of bacterial cultivation. The studied parameters of Rh. yavorovii IMV B-7620 cells under the influence of ferric citrate and cobalt (II) chloride are combined into two factors, that explain 95.4% and 99.2% of the total data variance, respectively. Under the influence of ferric citrate, the first latent factor included diene conjugates, thiobarbiturate reactive species, carbonyl groups in proteins, which are closely linked by a direct bond and inversely related to the content of lipid hydroperoxides and catalase activity. The second latent factor included duration of cultivation of bacteria, biomass accumulation, and superoxide dismutase activity, which are inversely related to lipid hydroperoxide content and catalase activity. Under the influence of cobalt (II) chloride, the first latent factor included the content of lipid hydroperoxides, carbonyl groups in proteins, as well as catalase and superoxide dismutase activities, which are inversely related to bacterial biomass.
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40
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Gorisse L, Jaisson S, Piétrement C, Gillery P. Carbamylated Proteins in Renal Disease: Aggravating Factors or Just Biomarkers? Int J Mol Sci 2022; 23:574. [PMID: 35008998 PMCID: PMC8745352 DOI: 10.3390/ijms23010574] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/30/2021] [Accepted: 12/31/2021] [Indexed: 02/06/2023] Open
Abstract
Carbamylation is a nonenzymatic post-translational modification resulting from the reaction between cyanate, a urea by-product, and proteins. In vivo and in vitro studies have demonstrated that carbamylation modifies protein structures and functions, triggering unfavourable molecular and cellular responses. An enhanced formation of carbamylation-derived products (CDPs) is observed in pathological contexts, especially during chronic kidney disease (CKD), because of increased blood urea. Significantly, studies have reported a positive correlation between serum CDPs and the evolutive state of renal failure. Further, serum concentrations of carbamylated proteins are characterized as strong predictors of mortality in end-stage renal disease patients. Over time, it is likely that these modified compounds become aggravating factors and promote long-term complications, including cardiovascular disorders and inflammation or immune system dysfunctions. These poor clinical outcomes have led researchers to consider strategies to prevent or slow down CDP formation. Even if growing evidence suggests the involvement of carbamylation in the pathophysiology of CKD, the real relevance of carbamylation is still unclear: is it a causal phenomenon, a metabolic consequence or just a biological feature? In this review, we discuss how carbamylation, a consequence of renal function decline, may become a causal phenomenon of kidney disease progression and how CDPs may be used as biomarkers.
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Affiliation(s)
- Laëtitia Gorisse
- MEDyC Unit CNRS UMR n° 7369, Faculty of Medicine, University of Reims Champagne-Ardenne, 51092 Reims, France; (L.G.); (S.J.); (C.P.)
| | - Stéphane Jaisson
- MEDyC Unit CNRS UMR n° 7369, Faculty of Medicine, University of Reims Champagne-Ardenne, 51092 Reims, France; (L.G.); (S.J.); (C.P.)
- Biochemistry Department, University Hospital of Reims, 51092 Reims, France
| | - Christine Piétrement
- MEDyC Unit CNRS UMR n° 7369, Faculty of Medicine, University of Reims Champagne-Ardenne, 51092 Reims, France; (L.G.); (S.J.); (C.P.)
- Pediatrics Department, University Hospital of Reims, 51092 Reims, France
| | - Philippe Gillery
- MEDyC Unit CNRS UMR n° 7369, Faculty of Medicine, University of Reims Champagne-Ardenne, 51092 Reims, France; (L.G.); (S.J.); (C.P.)
- Biochemistry Department, University Hospital of Reims, 51092 Reims, France
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41
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Napoli E, Panoutsopoulos AA, Kysar P, Satriya N, Sterling K, Shibata B, Imai D, Ruskin DN, Zarbalis KS, Giulivi C. Wdfy3 regulates glycophagy, mitophagy, and synaptic plasticity. J Cereb Blood Flow Metab 2021; 41:3213-3231. [PMID: 34187232 PMCID: PMC8669292 DOI: 10.1177/0271678x211027384] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Autophagy is essential to cell function, as it enables the recycling of intracellular constituents during starvation and in addition functions as a quality control mechanism by eliminating spent organelles and proteins that could cause cellular damage if not properly removed. Recently, we reported on Wdfy3's role in mitophagy, a clinically relevant macroautophagic scaffold protein that is linked to intellectual disability, neurodevelopmental delay, and autism spectrum disorder. In this study, we confirm our previous report that Wdfy3 haploinsufficiency in mice results in decreased mitophagy with accumulation of mitochondria with altered morphology, but expanding on that observation, we also note decreased mitochondrial localization at synaptic terminals and decreased synaptic density, which may contribute to altered synaptic plasticity. These changes are accompanied by defective elimination of glycogen particles and a shift to increased glycogen synthesis over glycogenolysis and glycophagy. This imbalance leads to an age-dependent higher incidence of brain glycogen deposits with cerebellar hypoplasia. Our results support and further extend Wdfy3's role in modulating both brain bioenergetics and synaptic plasticity by including glycogen as a target of macroautophagic degradation.
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Affiliation(s)
- Eleonora Napoli
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Alexios A Panoutsopoulos
- Department of Pathology and Laboratory Medicine, University of California, Davis, Sacramento, CA, USA.,Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, USA
| | - Patricia Kysar
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA, USA
| | - Nathaniel Satriya
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Kira Sterling
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Bradley Shibata
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA, USA
| | - Denise Imai
- Anatomic Pathology Service, Veterinary Medical Teaching Hospital, University of California, Davis, CA, USA
| | - David N Ruskin
- Department of Psychology and Neuroscience Program, Trinity College, Hartford, CT, USA
| | - Konstantinos S Zarbalis
- Department of Pathology and Laboratory Medicine, University of California, Davis, Sacramento, CA, USA.,Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, USA.,Medical Investigations of Neurodevelopmental Disorders (MIND) Institute, University of California Davis, CA, USA
| | - Cecilia Giulivi
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, USA.,Medical Investigations of Neurodevelopmental Disorders (MIND) Institute, University of California Davis, CA, USA
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42
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Zhang L, Zhou R, Zhang J, Zhou P. Heat-induced denaturation and bioactivity changes of whey proteins. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.105175] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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43
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Parella KJ, Manhardt C, Capucilli D, Moyer B, Colegrove H, Moody KJ, Sleeper M, Banas A, Rebbaa A, Wolfe AJ. Fluorescence-Based Detection of Ferrous Iron in Senescent Cells. Rejuvenation Res 2021; 24:456-463. [PMID: 34841899 DOI: 10.1089/rej.2021.0075] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A major limitation in aging research is the lack of reliable biomarkers to assess phenotypic changes with age or monitor response to antiaging interventions. This study investigates the role of intracellular ferrous iron (Fe2+) as a potential biomarker of senescence. Iron is known to accumulate in various tissues with age and recent studies have demonstrated that its level increases dramatically in senescent cells. The current techniques used to measure the accumulation of iron are cumbersome and only measure total iron not specific isotopes such as the redox reactive Fe2+. It is still to be determined whether the damaging form of iron (Fe2+) is specifically elevated in senescent cells. In this study, we assessed the potential use of a newly discovered Fe2+ reactive probe (SiRhoNox-1) for selective labeling of senescent cells in vitro. For this we have generated various senescent cell models and subjected them to SiRhoNox-1 labeling. Our results indicate that SiRhoNox-1 selectivity labels live senescent cells and was more specific and faster than current staining such as SA-βGal or a derived fluorescent probe C12FDG. Together these findings suggest that SiRhoNox-1 may serve as a convenient tool to detect senescent cells based on their ferrous iron level.
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Affiliation(s)
- Kyle J Parella
- Ichor Life Sciences, Inc., Lafayette, New York, USA.,Lewis School of Health Sciences, Clarkson University, Potsdam, New York, USA.,Department of Chemistry, Clarkson University, Potsdam, New York, USA
| | | | | | | | | | - Kelsey J Moody
- Ichor Life Sciences, Inc., Lafayette, New York, USA.,Lewis School of Health Sciences, Clarkson University, Potsdam, New York, USA.,Department of Chemistry, Clarkson University, Potsdam, New York, USA.,FoxBio, Inc., Lafayette, New York, USA
| | | | - Andrew Banas
- Ichor Life Sciences, Inc., Lafayette, New York, USA
| | | | - Aaron J Wolfe
- Ichor Life Sciences, Inc., Lafayette, New York, USA.,Lewis School of Health Sciences, Clarkson University, Potsdam, New York, USA.,Department of Chemistry, Clarkson University, Potsdam, New York, USA.,FoxBio, Inc., Lafayette, New York, USA
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44
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Hu S, Mahadevan A, Elysee IF, Choi J, Souchet NR, Bae GH, Taboada AK, Sanketi B, Duhamel GE, Sevier CS, Tao G, Kurpios NA. The asymmetric Pitx2 gene regulates gut muscular-lacteal development and protects against fatty liver disease. Cell Rep 2021; 37:110030. [PMID: 34818545 PMCID: PMC8650168 DOI: 10.1016/j.celrep.2021.110030] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 08/19/2021] [Accepted: 10/29/2021] [Indexed: 12/25/2022] Open
Abstract
Intestinal lacteals are essential lymphatic channels for absorption and transport of dietary lipids and drive the pathogenesis of debilitating metabolic diseases. However, organ-specific mechanisms linking lymphatic dysfunction to disease etiology remain largely unknown. In this study, we uncover an intestinal lymphatic program that is linked to the left-right (LR) asymmetric transcription factor Pitx2. We show that deletion of the asymmetric Pitx2 enhancer ASE alters normal lacteal development through the lacteal-associated contractile smooth muscle lineage. ASE deletion leads to abnormal muscle morphogenesis induced by oxidative stress, resulting in impaired lacteal extension and defective lymphatic system-dependent lipid transport. Surprisingly, activation of lymphatic system-independent trafficking directs dietary lipids from the gut directly to the liver, causing diet-induced fatty liver disease. Our study reveals the molecular mechanism linking gut lymphatic function to the earliest symmetry-breaking Pitx2 and highlights the important relationship between intestinal lymphangiogenesis and the gut-liver axis.
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Affiliation(s)
- Shing Hu
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Aparna Mahadevan
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Isaac F Elysee
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Joseph Choi
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Nathan R Souchet
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Gloria H Bae
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Alessandra K Taboada
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Bhargav Sanketi
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Gerald E Duhamel
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Carolyn S Sevier
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA
| | - Ge Tao
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Natasza A Kurpios
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell, Ithaca, NY 14853, USA.
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45
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Mota A, Waxman HK, Hong R, Lagani GD, Niu SY, Bertherat FL, Wolfe L, Malicdan CM, Markello TC, Adams DR, Gahl WA, Cheng CS, Beffert U, Ho A. FOXR1 regulates stress response pathways and is necessary for proper brain development. PLoS Genet 2021; 17:e1009854. [PMID: 34723967 PMCID: PMC8559929 DOI: 10.1371/journal.pgen.1009854] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 10/01/2021] [Indexed: 11/20/2022] Open
Abstract
The forkhead box (Fox) family of transcription factors are highly conserved and play essential roles in a wide range of cellular and developmental processes. We report an individual with severe neurological symptoms including postnatal microcephaly, progressive brain atrophy and global developmental delay associated with a de novo missense variant (M280L) in the FOXR1 gene. At the protein level, M280L impaired FOXR1 expression and induced a nuclear aggregate phenotype due to protein misfolding and proteolysis. RNAseq and pathway analysis showed that FOXR1 acts as a transcriptional activator and repressor with central roles in heat shock response, chaperone cofactor-dependent protein refolding and cellular response to stress pathways. Indeed, FOXR1 expression is increased in response to cellular stress, a process in which it directly controls HSPA6, HSPA1A and DHRS2 transcripts. The M280L mutant compromises FOXR1's ability to respond to stress, in part due to impaired regulation of downstream target genes that are involved in the stress response pathway. Quantitative PCR of mouse embryo tissues show Foxr1 expression in the embryonic brain. Using CRISPR/Cas9 gene editing, we found that deletion of mouse Foxr1 leads to a severe survival deficit while surviving newborn Foxr1 knockout mice have reduced body weight. Further examination of newborn Foxr1 knockout brains revealed a decrease in cortical thickness and enlarged ventricles compared to littermate wild-type mice, suggesting that loss of Foxr1 leads to atypical brain development. Combined, these results suggest FOXR1 plays a role in cellular stress response pathways and is necessary for normal brain development.
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Affiliation(s)
- Andressa Mota
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
| | - Hannah K. Waxman
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
| | - Rui Hong
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
- Bioinformatics Program, Boston University, Boston, Massachusetts, United States of America
| | - Gavin D. Lagani
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
| | - Sheng-Yong Niu
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
| | - Féodora L. Bertherat
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
| | - Lynne Wolfe
- NIH Undiagnosed Diseases Program, Common Fund, Office of the Director, National Institutes of Health, and National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Christine May Malicdan
- NIH Undiagnosed Diseases Program, Common Fund, Office of the Director, National Institutes of Health, and National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Thomas C. Markello
- NIH Undiagnosed Diseases Program, Common Fund, Office of the Director, National Institutes of Health, and National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - David R. Adams
- NIH Undiagnosed Diseases Program, Common Fund, Office of the Director, National Institutes of Health, and National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - William A. Gahl
- NIH Undiagnosed Diseases Program, Common Fund, Office of the Director, National Institutes of Health, and National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Christine S. Cheng
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
- Bioinformatics Program, Boston University, Boston, Massachusetts, United States of America
| | - Uwe Beffert
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
| | - Angela Ho
- Department of Biology, Boston University, Boston, Massachusetts, United States of America
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46
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Demasi M, Augusto O, Bechara EJH, Bicev RN, Cerqueira FM, da Cunha FM, Denicola A, Gomes F, Miyamoto S, Netto LES, Randall LM, Stevani CV, Thomson L. Oxidative Modification of Proteins: From Damage to Catalysis, Signaling, and Beyond. Antioxid Redox Signal 2021; 35:1016-1080. [PMID: 33726509 DOI: 10.1089/ars.2020.8176] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Significance: The systematic investigation of oxidative modification of proteins by reactive oxygen species started in 1980. Later, it was shown that reactive nitrogen species could also modify proteins. Some protein oxidative modifications promote loss of protein function, cleavage or aggregation, and some result in proteo-toxicity and cellular homeostasis disruption. Recent Advances: Previously, protein oxidation was associated exclusively to damage. However, not all oxidative modifications are necessarily associated with damage, as with Met and Cys protein residue oxidation. In these cases, redox state changes can alter protein structure, catalytic function, and signaling processes in response to metabolic and/or environmental alterations. This review aims to integrate the present knowledge on redox modifications of proteins with their fate and role in redox signaling and human pathological conditions. Critical Issues: It is hypothesized that protein oxidation participates in the development and progression of many pathological conditions. However, no quantitative data have been correlated with specific oxidized proteins or the progression or severity of pathological conditions. Hence, the comprehension of the mechanisms underlying these modifications, their importance in human pathologies, and the fate of the modified proteins is of clinical relevance. Future Directions: We discuss new tools to cope with protein oxidation and suggest new approaches for integrating knowledge about protein oxidation and redox processes with human pathophysiological conditions. Antioxid. Redox Signal. 35, 1016-1080.
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Affiliation(s)
- Marilene Demasi
- Laboratório de Bioquímica e Biofísica, Instituto Butantan, São Paulo, Brazil
| | - Ohara Augusto
- Departamento de Bioquímica and Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Etelvino J H Bechara
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Renata N Bicev
- Departamento de Bioquímica, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Fernanda M Cerqueira
- CENTD, Centre of Excellence in New Target Discovery, Instituto Butantan, São Paulo, Brazil
| | - Fernanda M da Cunha
- Departamento de Bioquímica, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Ana Denicola
- Laboratorios Fisicoquímica Biológica-Enzimología, Facultad de Ciencias, Instituto de Química Biológica, Universidad de la República, Montevideo, Uruguay
| | - Fernando Gomes
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Sayuri Miyamoto
- Departamento de Bioquímica and Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Luis E S Netto
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Lía M Randall
- Laboratorios Fisicoquímica Biológica-Enzimología, Facultad de Ciencias, Instituto de Química Biológica, Universidad de la República, Montevideo, Uruguay
| | - Cassius V Stevani
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Leonor Thomson
- Laboratorios Fisicoquímica Biológica-Enzimología, Facultad de Ciencias, Instituto de Química Biológica, Universidad de la República, Montevideo, Uruguay
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47
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Neurohr JM, Paulson ET, Kinsey ST. A higher mitochondrial content is associated with greater oxidative damage, oxidative defenses, protein synthesis and ATP turnover in resting skeletal muscle. J Exp Biol 2021; 224:jeb242462. [PMID: 34581401 PMCID: PMC8541733 DOI: 10.1242/jeb.242462] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 09/15/2021] [Indexed: 01/13/2023]
Abstract
An unavoidable consequence of aerobic metabolism is the production of reactive oxygen species (ROS). Mitochondria have historically been considered the primary source of ROS; however, recent literature has highlighted the uncertainty in primary ROS production sites and it is unclear how variation in mitochondrial density influences ROS-induced damage and protein turnover. Fish skeletal muscle is composed of distinct, highly aerobic red muscle and anaerobic white muscle, offering an excellent model system in which to evaluate the relationship of tissue aerobic capacity and ROS-induced damage under baseline conditions. The present study used a suite of indices to better understand potential consequences of aerobic tissue capacity in red and white muscle of the pinfish, Lagodon rhomboides. Red muscle had a 7-fold greater mitochondrial volume density than white muscle, and more oxidative damage despite also having higher activity of the antioxidant enzymes superoxide dismutase and catalase. The dominant protein degradation system appears to be tissue dependent. Lysosomal degradation markers and autophagosome volume density were greater in white muscle, while ubiquitin expression and 20S proteasome activity were significantly greater in red muscle. However, ubiquitin ligase expression was significantly higher in white muscle. Red muscle had a more than 2-fold greater rate of translation and total ATP turnover than white muscle, results that may be due in part to the higher mitochondrial density and the associated increase in oxidative damage. Together, these results support the concept that an elevated aerobic capacity is associated with greater oxidative damage and higher costs of protein turnover.
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Affiliation(s)
| | | | - Stephen T. Kinsey
- University of North Carolina Wilmington, Department of Biology and Marine Biology, 601 S. College Road, Wilmington, NC 28403, USA
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48
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Corbet GA, Wheeler JR, Parker R, Weskamp K. TDP43 ribonucleoprotein granules: physiologic function to pathologic aggregates. RNA Biol 2021; 18:128-138. [PMID: 34412568 DOI: 10.1080/15476286.2021.1963099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Ribonucleoprotein (RNP) assemblies are ubiquitous in eukaryotic cells and have functions throughout RNA transcription, splicing, and stability. Of the RNA-binding proteins that form RNPs, TAR DNA-binding protein of 43 kD (TDP43) is of particular interest due to its essential nature and its association with disease. TDP43 plays critical roles in RNA metabolism, many of which require its recruitment to RNP granules such as stress granules, myo-granules, and neuronal transport granules. Moreover, the presence of cytoplasmic TDP43-positive inclusions is a pathological hallmark of several neurodegenerative diseases. Despite the pervasiveness of TDP43 aggregates, TDP43 mutations are exceedingly rare, suggesting that aggregation may be linked to dysregulation of TDP43 function. Oligomerization is a part of normal TDP43 function; thus, it is of interest to understand what triggers the irreversible aggregation that is seen in disease. Herein, we examine TDP43 functions, particularly in RNP granules, and the mechanisms which may explain pathological TDP43 aggregation.
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Affiliation(s)
- Giulia Ada Corbet
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, USA
| | | | - Roy Parker
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, USA.,Department of Chemistry, Howard Hughes Medical Institute, Chevy Chase, MD, USA
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49
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Azam S, Haque ME, Balakrishnan R, Kim IS, Choi DK. The Ageing Brain: Molecular and Cellular Basis of Neurodegeneration. Front Cell Dev Biol 2021; 9:683459. [PMID: 34485280 PMCID: PMC8414981 DOI: 10.3389/fcell.2021.683459] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 07/14/2021] [Indexed: 12/12/2022] Open
Abstract
Ageing is an inevitable event in the lifecycle of all organisms, characterized by progressive physiological deterioration and increased vulnerability to death. Ageing has also been described as the primary risk factor of most neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), and frontotemporal lobar dementia (FTD). These neurodegenerative diseases occur more prevalently in the aged populations. Few effective treatments have been identified to treat these epidemic neurological crises. Neurodegenerative diseases are associated with enormous socioeconomic and personal costs. Here, the pathogenesis of AD, PD, and other neurodegenerative diseases has been presented, including a summary of their known associations with the biological hallmarks of ageing: genomic instability, telomere attrition, epigenetic alterations, loss of proteostasis, mitochondrial dysfunction, cellular senescence, deregulated nutrient sensing, stem cell exhaustion, and altered intercellular communications. Understanding the central biological mechanisms that underlie ageing is important for identifying novel therapeutic targets for neurodegenerative diseases. Potential therapeutic strategies, including the use of NAD+ precursors, mitophagy inducers, and inhibitors of cellular senescence, has also been discussed.
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Affiliation(s)
- Shofiul Azam
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju-si, South Korea
| | - Md. Ezazul Haque
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju-si, South Korea
| | - Rengasamy Balakrishnan
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju-si, South Korea
| | - In-Su Kim
- Department of Biotechnology, College of Biomedical and Health Science, Research Institute of Inflammatory Disease (RID), Konkuk University, Chungju-si, South Korea
| | - Dong-Kug Choi
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju-si, South Korea
- Department of Biotechnology, College of Biomedical and Health Science, Research Institute of Inflammatory Disease (RID), Konkuk University, Chungju-si, South Korea
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50
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Liu F, Dong X, Shen S, Shi Y, Ou Y, Cai W, Chen Y, Zhu B. Changes in the digestion properties and protein conformation of sturgeon myofibrillar protein treated by low temperature vacuum heating during in vitro digestion. Food Funct 2021; 12:6981-6991. [PMID: 34137398 DOI: 10.1039/d0fo03247f] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The digestion properties of sturgeon myofibrillar protein (MF) treated by low temperature vacuum heating (LTVH) at different processing temperatures (50, 60 and 70 °C) and times (15 and 30 min) were studied and compared with those of sturgeon MF treated by traditional cooking (TC). The results showed that as the temperature and time increased, the protein digestibility decreased, whereas the particle size and protein aggregation increased. It was observed that the band intensity of myosin heavy chain and myosin heavy chain 7 weakened; however, the band intensity of actin showed little change. MALDI-TOF-MS analysis revealed that the digested products of the samples treated by LTVH had a larger proportion of 750-1000 Da peptides than those treated by TC, which was consistent with the trend of the number of unique peptides identified in each group. Fourier transmission infrared (FT-IR) spectroscopy showed that the contents of α-helices and β-sheets exhibited negative and positive correlations with the temperature, respectively. Overall, compared to TC, LTVH can relieve the heat stress of protein conformation, reduce protein aggregation to improve the accessibility of the protein to digestive protease, and increase digestibility.
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Affiliation(s)
- Feijian Liu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, People's Republic of China.
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