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Abdalbagemohammedabdalsadeg S, Xiao BL, Ma XX, Li YY, Wei JS, Moosavi-Movahedi AA, Yousefi R, Hong J. Catalase immobilization: Current knowledge, key insights, applications, and future prospects - A review. Int J Biol Macromol 2024; 276:133941. [PMID: 39032907 DOI: 10.1016/j.ijbiomac.2024.133941] [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: 02/02/2024] [Revised: 07/13/2024] [Accepted: 07/15/2024] [Indexed: 07/23/2024]
Abstract
Catalase (CAT), a ubiquitous enzyme in all oxygen-exposed organisms, effectively decomposes hydrogen peroxide (H2O2), a harmful by-product, into water and oxygen, mitigating oxidative stress and cellular damage, safeguarding cellular organelles and tissues. Therefore, CAT plays a crucial role in maintaining cellular homeostasis and function. Owing to its pivotal role, CAT has garnered considerable interest. However, many challenges arise when used, especially in multiple practical processes. "Immobilization", a widely-used technique, can help improve enzyme properties. CAT immobilization offers numerous advantages, including enhanced stability, reusability, and facilitated downstream processing. This review presents a comprehensive overview of CAT immobilization. It starts with discussing various immobilization mechanisms, support materials, advantages, drawbacks, and factors influencing the performance of immobilized CAT. Moreover, the review explores the application of the immobilized CAT in various industries and its prospects, highlighting its essential role in diverse fields and stimulating further research and investigation. Furthermore, the review highlights some of the world's leading companies in the field of the CAT industry and their substantial potential for economic contribution. This review aims to serve as a discerning, source of information for researchers seeking a comprehensive cutting-edge overview of this rapidly evolving field and have been overwhelmed by the size of publications.
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Affiliation(s)
| | - Bao-Lin Xiao
- School of Life Sciences, Henan University, 475000 Kaifeng, China
| | - Xin-Xin Ma
- School of Life Sciences, Henan University, 475000 Kaifeng, China
| | - Yang-Yang Li
- School of Life Sciences, Henan University, 475000 Kaifeng, China
| | - Jian-She Wei
- School of Life Sciences, Henan University, 475000 Kaifeng, China
| | | | - Reza Yousefi
- Institute of Biochemistry and Biophysics, University of Tehran, 1417614418 Tehran, Iran
| | - Jun Hong
- School of Life Sciences, Henan University, 475000 Kaifeng, China.
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Yadav S, Vinothkumar KR. Factors affecting macromolecule orientations in thin films formed in cryo-EM. Acta Crystallogr D Struct Biol 2024; 80:535-550. [PMID: 38935342 PMCID: PMC11220838 DOI: 10.1107/s2059798324005229] [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: 11/20/2023] [Accepted: 06/01/2024] [Indexed: 06/28/2024] Open
Abstract
The formation of a vitrified thin film embedded with randomly oriented macromolecules is an essential prerequisite for cryogenic sample electron microscopy. Most commonly, this is achieved using the plunge-freeze method first described nearly 40 years ago. Although this is a robust method, the behaviour of different macromolecules shows great variation upon freezing and often needs to be optimized to obtain an isotropic, high-resolution reconstruction. For a macromolecule in such a film, the probability of encountering the air-water interface in the time between blotting and freezing and adopting preferred orientations is very high. 3D reconstruction using preferentially oriented particles often leads to anisotropic and uninterpretable maps. Currently, there are no general solutions to this prevalent issue, but several approaches largely focusing on sample preparation with the use of additives and novel grid modifications have been attempted. In this study, the effect of physical and chemical factors on the orientations of macromolecules was investigated through an analysis of selected well studied macromolecules, and important parameters that determine the behaviour of proteins on cryo-EM grids were revealed. These insights highlight the nature of the interactions that cause preferred orientations and can be utilized to systematically address orientation bias for any given macromolecule and to provide a framework to design small-molecule additives to enhance sample stability and behaviour.
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Affiliation(s)
- Swati Yadav
- National Centre for Biological SciencesTata Institute of Fundamental ResearchGKVK Post, Bellary RoadBengaluru560 065India
| | - Kutti R. Vinothkumar
- National Centre for Biological SciencesTata Institute of Fundamental ResearchGKVK Post, Bellary RoadBengaluru560 065India
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Anwar S, Alrumaihi F, Sarwar T, Babiker AY, Khan AA, Prabhu SV, Rahmani AH. Exploring Therapeutic Potential of Catalase: Strategies in Disease Prevention and Management. Biomolecules 2024; 14:697. [PMID: 38927099 PMCID: PMC11201554 DOI: 10.3390/biom14060697] [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: 05/19/2024] [Revised: 06/07/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
The antioxidant defense mechanisms play a critical role in mitigating the deleterious effects of reactive oxygen species (ROS). Catalase stands out as a paramount enzymatic antioxidant. It efficiently catalyzes the decomposition of hydrogen peroxide (H2O2) into water and oxygen, a potentially harmful byproduct of cellular metabolism. This reaction detoxifies H2O2 and prevents oxidative damage. Catalase has been extensively studied as a therapeutic antioxidant. Its applications range from direct supplementation in conditions characterized by oxidative stress to gene therapy approaches to enhance endogenous catalase activity. The enzyme's stability, bioavailability, and the specificity of its delivery to target tissues are significant hurdles. Furthermore, studies employing conventional catalase formulations often face issues related to enzyme purity, activity, and longevity in the biological milieu. Addressing these challenges necessitates rigorous scientific inquiry and well-designed clinical trials. Such trials must be underpinned by sound experimental designs, incorporating advanced catalase formulations or novel delivery systems that can overcome existing limitations. Enhancing catalase's stability, specificity, and longevity in vivo could unlock its full therapeutic potential. It is necessary to understand the role of catalase in disease-specific contexts, paving the way for precision antioxidant therapy that could significantly impact the treatment of diseases associated with oxidative stress.
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Affiliation(s)
- Shehwaz Anwar
- Department of Medical Laboratory Technology, Mohan Institute of Nursing and Paramedical Sciences, Mohan Group of Institutions, Bareilly 243302, India;
| | - Faris Alrumaihi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia
| | - Tarique Sarwar
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia
| | - Ali Yousif Babiker
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia
| | - Amjad Ali Khan
- Department of Basic Health Sciences, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia
| | - Sitrarasu Vijaya Prabhu
- Department of Biotechnology, Microbiology and Bioinformatics, National College (Autonomous), Tiruchirapalli 620001, India;
| | - Arshad Husain Rahmani
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia
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4
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Ding L, Gu Z, Chen H, Wang P, Song Y, Zhang X, Li M, Chen J, Han H, Cheng J, Tong Z. Phototherapy for age-related brain diseases: Challenges, successes and future. Ageing Res Rev 2024; 94:102183. [PMID: 38218465 DOI: 10.1016/j.arr.2024.102183] [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: 08/05/2023] [Revised: 12/16/2023] [Accepted: 01/01/2024] [Indexed: 01/15/2024]
Abstract
Brain diseases present a significant obstacle to both global health and economic progress, owing to their elusive pathogenesis and the limited effectiveness of pharmaceutical interventions. Phototherapy has emerged as a promising non-invasive therapeutic modality for addressing age-related brain disorders, including stroke, Alzheimer's disease (AD), and Parkinson's disease (PD), among others. This review examines the recent progressions in phototherapeutic interventions. Firstly, the article elucidates the various wavelengths of visible light that possess the capability to penetrate the skin and skull, as well as the pathways of light stimulation, encompassing the eyes, skin, veins, and skull. Secondly, it deliberates on the molecular mechanisms of visible light on photosensitive proteins, within the context of brain disorders and other molecular pathways of light modulation. Lastly, the practical application of phototherapy in diverse clinical neurological disorders is indicated. Additionally, this review presents novel approaches that combine phototherapy and pharmacological interventions. Moreover, it outlines the limitations of phototherapeutics and proposes innovative strategies to improve the treatment of cerebral disorders.
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Affiliation(s)
- Ling Ding
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China
| | - Ziqi Gu
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China
| | - Haishu Chen
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China
| | - Panpan Wang
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China
| | - Yilan Song
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China
| | - Xincheng Zhang
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China
| | - Mengyu Li
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China
| | - Jinhan Chen
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China
| | - Hongbin Han
- Department of Radiology, Peking University Third Hospital, Beijing, China. Key Laboratory of Magnetic Resonance Imaging Equipment and Technique, NMPA key Laboratory for Evaluation of Medical Imaging Equipment and Technique, Institute of Medical Technology, Peking University Health Science Center, Beijing 100191, China.
| | - Jianhua Cheng
- Department of neurology, the first affiliated hospital of Wenzhou medical University, Wenzhou 325035, China.
| | - Zhiqian Tong
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, PR China.
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Liu C, Lin JZ, Wang Y, Tian Y, Zheng HP, Zhou ZK, Zhou YB, Tang XD, Zhao XH, Wu T, Xu SL, Tang DY, Zuo ZC, He H, Bai LY, Yang YZ, Liu XM. The protein phosphatase PC1 dephosphorylates and deactivates CatC to negatively regulate H2O2 homeostasis and salt tolerance in rice. THE PLANT CELL 2023; 35:3604-3625. [PMID: 37325884 PMCID: PMC10473223 DOI: 10.1093/plcell/koad167] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/27/2023] [Accepted: 06/02/2023] [Indexed: 06/17/2023]
Abstract
Catalase (CAT) is often phosphorylated and activated by protein kinases to maintain hydrogen peroxide (H2O2) homeostasis and protect cells against stresses, but whether and how CAT is switched off by protein phosphatases remains inconclusive. Here, we identified a manganese (Mn2+)-dependent protein phosphatase, which we named PHOSPHATASE OF CATALASE 1 (PC1), from rice (Oryza sativa L.) that negatively regulates salt and oxidative stress tolerance. PC1 specifically dephosphorylates CatC at Ser-9 to inhibit its tetramerization and thus activity in the peroxisome. PC1 overexpressing lines exhibited hypersensitivity to salt and oxidative stresses with a lower phospho-serine level of CATs. Phosphatase activity and seminal root growth assays indicated that PC1 promotes growth and plays a vital role during the transition from salt stress to normal growth conditions. Our findings demonstrate that PC1 acts as a molecular switch to dephosphorylate and deactivate CatC and negatively regulate H2O2 homeostasis and salt tolerance in rice. Moreover, knockout of PC1 not only improved H2O2-scavenging capacity and salt tolerance but also limited rice grain yield loss under salt stress conditions. Together, these results shed light on the mechanisms that switch off CAT and provide a strategy for breeding highly salt-tolerant rice.
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Affiliation(s)
- Cong Liu
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
| | - Jian-Zhong Lin
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
| | - Yan Wang
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
| | - Ye Tian
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
| | - He-Ping Zheng
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
| | - Zheng-Kun Zhou
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
| | - Yan-Biao Zhou
- Key Laboratory of Southern Rice Innovation & Improvement, Ministry of Agriculture and Rural Affairs/Hunan Engineering Laboratory of Disease and Pest Resistant Rice Breeding, Yuan Longping High-Tech Agriculture Co., Ltd, Changsha 410001, China
| | - Xiao-Dan Tang
- Key Laboratory of Southern Rice Innovation & Improvement, Ministry of Agriculture and Rural Affairs/Hunan Engineering Laboratory of Disease and Pest Resistant Rice Breeding, Yuan Longping High-Tech Agriculture Co., Ltd, Changsha 410001, China
| | - Xin-Hui Zhao
- Key Laboratory of Southern Rice Innovation & Improvement, Ministry of Agriculture and Rural Affairs/Hunan Engineering Laboratory of Disease and Pest Resistant Rice Breeding, Yuan Longping High-Tech Agriculture Co., Ltd, Changsha 410001, China
| | - Ting Wu
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
| | - Shi-Long Xu
- Key Laboratory of Southern Rice Innovation & Improvement, Ministry of Agriculture and Rural Affairs/Hunan Engineering Laboratory of Disease and Pest Resistant Rice Breeding, Yuan Longping High-Tech Agriculture Co., Ltd, Changsha 410001, China
| | - Dong-Ying Tang
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
| | - Ze-Cheng Zuo
- Jilin Province Engineering Laboratory of Plant Genetic Improvement, College of Plant Science, Jilin University, Changchun 130062, China
| | - Hang He
- School of Advanced Agricultural Sciences and School of Life Sciences, State Key Laboratory of Protein and Plant Gene Research, Peking University, Beijing 100871, China
| | - Lian-Yang Bai
- Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Yuan-Zhu Yang
- Key Laboratory of Southern Rice Innovation & Improvement, Ministry of Agriculture and Rural Affairs/Hunan Engineering Laboratory of Disease and Pest Resistant Rice Breeding, Yuan Longping High-Tech Agriculture Co., Ltd, Changsha 410001, China
| | - Xuan-Ming Liu
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, National Center of Technology Innovation for Saline-Alkali Tolerant Rice, College of Biology, Hunan University, Changsha 410082, China
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6
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Gomes ARQ, Cruz JN, Castro ALG, Cordovil Brigido HP, Varela ELP, Vale VV, Carneiro LA, Ferreira GG, Percario S, Dolabela MF. Participation of Oxidative Stress in the Activity of Compounds Isolated from Eleutherine plicata Herb. Molecules 2023; 28:5557. [PMID: 37513429 PMCID: PMC10385196 DOI: 10.3390/molecules28145557] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/28/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
From Eleutherine plicata, naphthoquinones, isoeleutherine, and eleutherol were isolated, and previous studies have reported the antioxidant activity of these metabolites. The present work evaluated the role of oxidative changes in mice infected with Plasmodium berghei and treated with E. plicata extract, fraction, and isolated compounds, as well as to verify possible oxidative changes induced by these treatments. E. plicata extracts were prepared from powder from the bulbs, which were submitted to maceration with ethanol, yielding the extract (EEEp), which was fractionated under reflux, and the dichloromethane fraction (FDMEp) was submitted for further fractionation, leading to the isolation of isoeleutherine, eleutherine, and eleutherol. The antimalarial activity was examined using the suppressive test, evaluating the following parameters of oxidative stress: trolox equivalent antioxidant capacity (TEAC), thiobarbituric acid reactive substances (TBARS), and reduced glutathione (GSH). Furthermore, the molecular docking of naphthoquinones, eleutherol, eleutherine, and isoeleutherine interactions with antioxidant defense enzymes was investigated, which was favorable for the formation of the receptor-ligand complex, according to the re-rank score values. Eleutherine and isoeleutherine are the ones with the lowest binding energy for catalase (CAT), glutathione reductase (GR), and glutathione peroxidase (GPx1), showing themselves as possible targets of these molecules in the involvement of redox balance. Data from the present study showed that treatments with E. plicata stimulated an increase in antioxidant capacity and a reduction in oxidative stress in mice infected with P. berghei, with naphthoquinones being responsible for reducing oxidative changes and disease severity.
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Affiliation(s)
- Antônio Rafael Quadros Gomes
- Postgraduate Program in Pharmaceutical Innovation, Institute of Health Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
- Oxidative Stress Research Lab, Institute of Biological Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
| | - Jorddy Neves Cruz
- Postgraduate Program in Pharmaceutical Sciences, Institute of Health Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
| | - Ana Laura Gadelha Castro
- Postgraduate Program in Pharmaceutical Innovation, Institute of Health Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
| | - Heliton Patrick Cordovil Brigido
- Postgraduate Program in Pharmaceutical Innovation, Institute of Health Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
| | - Everton Luiz Pompeu Varela
- Oxidative Stress Research Lab, Institute of Biological Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
- Postgraduate Program in Biodiversity and Biotechnology of the BIONORTE Network, Federal University of Para, Belem 66075-110, PA, Brazil
| | - Valdicley Vieira Vale
- Postgraduate Program in Pharmaceutical Innovation, Institute of Health Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
| | | | - Gleison Gonçalves Ferreira
- Postgraduate Program in Pharmaceutical Sciences, Institute of Health Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
| | - Sandro Percario
- Oxidative Stress Research Lab, Institute of Biological Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
- Postgraduate Program in Biodiversity and Biotechnology of the BIONORTE Network, Federal University of Para, Belem 66075-110, PA, Brazil
| | - Maria Fâni Dolabela
- Postgraduate Program in Pharmaceutical Innovation, Institute of Health Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
- Postgraduate Program in Pharmaceutical Sciences, Institute of Health Sciences, Federal University of Para, Belem 66075-110, PA, Brazil
- Postgraduate Program in Biodiversity and Biotechnology of the BIONORTE Network, Federal University of Para, Belem 66075-110, PA, Brazil
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7
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Wang Y, Yi Y, Liu C, Zheng H, Huang J, Tian Y, Zhang H, Gao Q, Tang D, Lin J, Liu X. Dephosphorylation of CatC at Ser-18 improves salt and oxidative tolerance via promoting its tetramerization in rice. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 329:111597. [PMID: 36649757 DOI: 10.1016/j.plantsci.2023.111597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 01/05/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
Catalase (CAT) is a vital antioxidant enzyme, while phosphorylation pivotally regulates its function. Many phosphosites have been identified in CAT, but their functions remained largely elusive. We functionally studied five phosphoserines (Ser-9, -10, -11, -18, and -205) of CatC in rice (Oryza sativa L.). Phospho-Ser-9 and - 11 and dephospho-Ser-18 promoted the enzymatic activity of CatC and enhanced oxidative and salt tolerance in yeast. Phosphorylation status of Ser-18 did not affect CatC peroxisomal targeting and stability, but dephospho-Ser-18 promoted CatC tetramerization to enhance its activity. Moreover, overexpression of dephospho-mimic form CatCS18A in rice significantly improved the tolerance to salt and oxidative stresses by inhibiting the H2O2 accumulation. Together, these results elucidate the mechanism underlying dephosphorylation at Ser-18 promotes CatC activity and salt tolerance in rice. Ser-18 is a promising candidate phosphosite of CatC for breeding highly salt-tolerant rice.
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Affiliation(s)
- Yan Wang
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China; College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, Hunan, China
| | - Yuting Yi
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China
| | - Cong Liu
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China
| | - Heping Zheng
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China
| | - Jian Huang
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China
| | - Ye Tian
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China
| | - Huihui Zhang
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China
| | - Qiang Gao
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China
| | - Dongying Tang
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China
| | - Jianzhong Lin
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China.
| | - Xuanming Liu
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan University, Changsha 410082, Hunan, China.
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8
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El Idrissi O, Santini J, Bonnin M, Demolliens M, Aiello A, Gobert S, Pasqualini V, Ternengo S. Stress response to trace elements mixture of different embryo-larval stages of Paracentrotus lividus. MARINE POLLUTION BULLETIN 2022; 183:114092. [PMID: 36084613 DOI: 10.1016/j.marpolbul.2022.114092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
This study investigated for the first time the oxidative biomarkers responses in all larval stages of sea urchin. The contamination effects were reproduced by using contaminated seawater to concentrations measured in the area adjacent to an old asbestos mine at factors of 5 and 10. The results suggested that the concentrations were not sufficiently high to induce a major oxidative stress. The biometric differences make this method a more sensitive approach for assessing the effects on sea urchin larvae. Measurements of specific activities of antioxidant enzymes at each stage suggested a high capacity of the larvae to respond to oxidative stress. This normal activity of the organism must be considered in future research. This work also highlighted the importance of spawners provenance in ecotoxicological studies. These data are essential to better understand the stress responses of sea urchin larvae and provide baseline information for later environmental assessment research.
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Affiliation(s)
- O El Idrissi
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France; Université de Liège, Centre MARE, Focus, Laboratoire d'Océanologie, Sart-Tilman, B6c, 4000 Liège, Belgium.
| | - J Santini
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France
| | - M Bonnin
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France
| | - M Demolliens
- Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - A Aiello
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - S Gobert
- Université de Liège, Centre MARE, Focus, Laboratoire d'Océanologie, Sart-Tilman, B6c, 4000 Liège, Belgium; STAtion de REcherche Sous-marines et Océanographiques (STARESO), 20260 Calvi, France
| | - V Pasqualini
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - S Ternengo
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
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9
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Haque S, Ekbbal R, Iqubal A, Ansari M, Ahmad S. Evaluation of cardioprotective potential of isolated swerchirin against the isoproterenol-induced cardiotoxicity in wistar albino rats. Pharmacogn Mag 2022. [DOI: 10.4103/pm.pm_500_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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10
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Takio N, Yadav M, Yadav HS. Catalase-mediated remediation of environmental pollutants and potential application – a review. BIOCATAL BIOTRANSFOR 2021. [DOI: 10.1080/10242422.2021.1932838] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Nene Takio
- Department of Chemistry, North Eastern Regional Institute of Science and Technology, Itanagar, India
| | - Meera Yadav
- Department of Chemistry, North Eastern Regional Institute of Science and Technology, Itanagar, India
| | - Hardeo Singh Yadav
- Department of Chemistry, North Eastern Regional Institute of Science and Technology, Itanagar, India
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11
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Experimental investigation and molecular dynamics simulation of the binding of ellagic acid to bovine liver catalase: Activation study and interaction mechanism. Int J Biol Macromol 2020; 143:850-861. [DOI: 10.1016/j.ijbiomac.2019.09.146] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 09/15/2019] [Accepted: 09/19/2019] [Indexed: 01/14/2023]
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12
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Role of Catalase in Oxidative Stress- and Age-Associated Degenerative Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:9613090. [PMID: 31827713 PMCID: PMC6885225 DOI: 10.1155/2019/9613090] [Citation(s) in RCA: 441] [Impact Index Per Article: 88.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 06/18/2019] [Accepted: 08/14/2019] [Indexed: 12/22/2022]
Abstract
Reactive species produced in the cell during normal cellular metabolism can chemically react with cellular biomolecules such as nucleic acids, proteins, and lipids, thereby causing their oxidative modifications leading to alterations in their compositions and potential damage to their cellular activities. Fortunately, cells have evolved several antioxidant defense mechanisms (as metabolites, vitamins, and enzymes) to neutralize or mitigate the harmful effect of reactive species and/or their byproducts. Any perturbation in the balance in the level of antioxidants and the reactive species results in a physiological condition called “oxidative stress.” A catalase is one of the crucial antioxidant enzymes that mitigates oxidative stress to a considerable extent by destroying cellular hydrogen peroxide to produce water and oxygen. Deficiency or malfunction of catalase is postulated to be related to the pathogenesis of many age-associated degenerative diseases like diabetes mellitus, hypertension, anemia, vitiligo, Alzheimer's disease, Parkinson's disease, bipolar disorder, cancer, and schizophrenia. Therefore, efforts are being undertaken in many laboratories to explore its use as a potential drug for the treatment of such diseases. This paper describes the direct and indirect involvement of deficiency and/or modification of catalase in the pathogenesis of some important diseases such as diabetes mellitus, Alzheimer's disease, Parkinson's disease, vitiligo, and acatalasemia. Details on the efforts exploring the potential treatment of these diseases using a catalase as a protein therapeutic agent have also been described.
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13
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Erukainure OL, Sanni O, Ijomone OM, Ibeji CU, Chukwuma CI, Islam MS. The antidiabetic properties of the hot water extract of kola nut (Cola nitida (Vent.) Schott & Endl.) in type 2 diabetic rats. JOURNAL OF ETHNOPHARMACOLOGY 2019; 242:112033. [PMID: 31220600 DOI: 10.1016/j.jep.2019.112033] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 06/10/2019] [Accepted: 06/16/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Cola nitida is amongst the evergreen plants native to West Africa used in the treatment of various ailments including diabetes. AIM OF THE STUDY This study aims to investigate the antidiabetic effects of the hot water extract of C. nitida seeds in type 2 diabetic rats. METHODS Type 2 diabetic rats were orally administered with low (150 mg/kg bw) and high (300 mg/kg bw) doses of the hot water extract for 6 wk and thereafter, blood glucose, insulin level, lipid profile, pancreatic β-cell function, perfusion and morphology, redox imbalance, glycolytic and cholinergic enzymes, as well as of caspase-3 and Nrf2 expressions were measured. RESULTS Treatment with the extract led to significant depletion of blood glucose, serum triglycerides, LDL-cholesterol, fructosamine, ALT, and uric acids, while elevating serum insulin and HDL-cholesterol levels. The infusion also significantly (p < 0.05) elevated GSH level, SOD, catalase, α-amylase, and ATPase activities, with concomitant depletion of myeloperoxidase enzyme activity, and NO and MDA levels in the serum and pancreas. Significantly (p < 0.05) improved pancreatic β-cell function and morphology were observed in rats treated with C. nitida, with restored pancreatic capillary networks. C. nitida inhibited the activities of glycogen phosphorylase, fructose 1,6 biphosphatase, glucose 6 phosphatase, and acetylcholinesterase while downregulated the Nrf2 expression. NMR analysis of the extract revealed the presence of caffeine and theobromine. The molecular docking studies indicated that identified compounds displayed strong molecular interactions with caspase-3 and Nrf2. CONCLUSION These results insinuate the antidiabetic activities of C. nitida hot water extract and may be attributed to the NMR-identified compounds.
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Affiliation(s)
- Ochuko L Erukainure
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, (Westville Campus), Durban, 4000, South Africa; Nutrition and Toxicology Division, Federal Institute of Industrial Research, Lagos, Nigeria
| | - Olakunle Sanni
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, (Westville Campus), Durban, 4000, South Africa
| | | | - Collins U Ibeji
- Department of Pure and Industrial Chemistry, Faculty of Physical Sciences, University of Nigeria, Nsukka, 410001, Nigeria
| | - Chika I Chukwuma
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, (Westville Campus), Durban, 4000, South Africa; Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, South Africa
| | - Md Shahidul Islam
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, (Westville Campus), Durban, 4000, South Africa.
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14
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Mousavi M, Hakimian S, Mustafa TA, Aziz FM, Salihi A, Ale-Ebrahim M, Mirpour M, Rasti B, Akhtari K, Shahpasand K, Abou-Zied OK, Falahati M. The interaction of silica nanoparticles with catalase and human mesenchymal stem cells: biophysical, theoretical and cellular studies. Int J Nanomedicine 2019; 14:5355-5368. [PMID: 31409992 PMCID: PMC6643057 DOI: 10.2147/ijn.s210136] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 06/04/2019] [Indexed: 11/23/2022] Open
Abstract
Aim Nanoparticles (NPs) have been receiving potential interests in protein delivery and cell therapy. As a matter of fact, NPs may be used as great candidates in promoting cell therapy by catalase (CAT) delivery into high oxidative stress tissues. However, for using NPs like SiO2 as carriers, the interaction of NPs with proteins and mesenchymal stem cells (MSCs) should be explored in advance. Methods In the present study, the interaction of SiO2 NPs with CAT and human MSCs (hMSCs) was explored by various spectroscopic methods (fluorescence, circular dichroism (CD), UV-visible), molecular docking and dynamics studies, and cellular (MTT, cellular morphology, cellular uptake, lactate dehydrogenase, ROS, caspase-3, flow cytometry) assays. Results Fluorescence study displayed that both dynamic and static quenching mechanisms and hydrophobic interactions are involved in the spontaneous interaction of SiO2 NPs with CAT. CD spectra indicated that native structure of CAT remains stable after interaction with SiO2 NPs. UV-visible study also revealed that the kinetic parameters of CAT such as Km, Vmax, Kcat, and enzyme efficiency were not changed after the addition of SiO2 NPs. Molecular docking and dynamics studies showed that Si and SiO2 clusters interact with hydrophobic residues of CAT and SiO2 cluster causes minor changes in the CAT structure at a total simulation time of 200 ps. Cellular assays depicted that SiO2 NPs induce significant cell mortality, change in cellular morphology, cellular internalization, ROS elevation, and apoptosis in hMSCs at higher concentration than 100 µg/mL (170 µM). Conclusion The current results suggest that low concentrations of SiO2 NPs induce no substantial change or mortality against CAT and hMSCs, and potentially useful carriers in CAT delivery to hMSC.
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Affiliation(s)
- Mina Mousavi
- Department of Biochemistry and Biophysics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Saman Hakimian
- Department of Biochemistry and Biophysics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Twana Ahmed Mustafa
- Department of Medical Laboratory Technology, Health Technical College, Erbil Polytechnic University, Erbil, Kurdistan Region, Iraq
| | - Falah Mohammad Aziz
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Abbas Salihi
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq.,Department of Medical Analysis, Faculty of Science, Tishk International University, Erbil, Iraq
| | - Mahsa Ale-Ebrahim
- Department of Physiology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mirsasan Mirpour
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
| | - Behnam Rasti
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
| | - Keivan Akhtari
- Department of Physics, University of Kurdistan, Sanandaj, Iran
| | - Koorosh Shahpasand
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology (RI-SCBT), Tehran, Iran
| | - Osama K Abou-Zied
- Department of Chemistry, Faculty of Science, Sultan Qaboos University, P.O. Box 36, Postal Code 123 Muscat, Oman
| | - Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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15
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Oyebode OA, Erukainure OL, Ibeji C, Koorbanally NA, Islam MS. Crassocephalum rubens, a leafy vegetable, suppresses oxidative pancreatic and hepatic injury and inhibits key enzymes linked to type 2 diabetes: An ex vivo and in silico study. J Food Biochem 2019; 43:e12930. [PMID: 31368570 DOI: 10.1111/jfbc.12930] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 04/17/2019] [Accepted: 05/08/2019] [Indexed: 01/14/2023]
Abstract
Crassocephalum rubens falls under the wild edible, under-cultivated traditional leafy vegetables (TLV) in Africa; it is used by locals in managing diabetes mellitus among other diseases. This study investigated the in vitro, ex vivo antioxidant and antidiabetic potentials of different extracts of C. rubens. The ameliorative effects of the extracts on Fe2+ -induced oxidative injury was investigated ex vivo together with the effects of the aqueous extract on intestinal glucose absorption and muscle glucose uptake in freshly harvested tissues from normal rats. The aqueous extract was subjected to Liquid Chromatography-Mass Spectrometry (LC-MS) analysis to identify possible bioactive compounds which were then docked with the tested enzymes through in silico modeling. The extracts exhibited antioxidant activity, inhibited α-glucosidase and lipase enzyme activities, intestinal glucose absorption and enhanced muscle glucose uptake compared to controls. Sanguisorbic acid dilactone identified through LC-MS analysis showed a high binding affinity for catalase and lipase enzymes. PRACTICAL APPLICATIONS: The results of this study suggest that the aqueous extract of C. rubens possesses better antioxidant and possible antidiabetic potentials compared to other extracts which could be associated to the synergistic action of its identified bioactive compounds.
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Affiliation(s)
- Olajumoke Arinola Oyebode
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal (Westville Campus), Durban, South Africa
| | - Ochuko Lucky Erukainure
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal (Westville Campus), Durban, South Africa
| | - Collins Ibeji
- Department of Pure and Industrial Chemistry, Faculty of Physical Sciences, University of Nigeria, Nsukka, Nigeria
| | - Neil Anthony Koorbanally
- School of Chemistry and Physics, University of KwaZulu-Natal (Westville Campus), Durban, South Africa
| | - Md Shahidul Islam
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal (Westville Campus), Durban, South Africa
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16
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Sharma S, Samal RR, Subudhi U, Chainy GB. Lanthanum chloride-induced conformational changes of bovine liver catalase: A computational and biophysical study. Int J Biol Macromol 2018; 115:853-860. [DOI: 10.1016/j.ijbiomac.2018.04.116] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 04/18/2018] [Accepted: 04/23/2018] [Indexed: 12/17/2022]
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17
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Preparation and infrared spectroelectrochemical studies of five-coordinate (por)Fe(OC(=O)R) compounds (por = TPP, OEP; R = CCl3, CH2Cl). Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Rashtbari S, Dehghan G, Yekta R, Jouyban A, Iranshahi M. Effects of Resveratrol on the Structure and Catalytic Function of Bovine Liver catalase (BLC): Spectroscopic and Theoretical Studies. Adv Pharm Bull 2017; 7:349-357. [PMID: 29071216 PMCID: PMC5651055 DOI: 10.15171/apb.2017.042] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Revised: 06/25/2017] [Accepted: 07/05/2017] [Indexed: 12/14/2022] Open
Abstract
Purpose: The study on the interaction between various compounds and macromolecules such as enzymes has been very important for monitoring the alteration of structural and functional properties of them. Resveratrol (3, 5, 4-trihydroxy-stilbene; RES) is a biologically active phytoallexin found in grapes and other food products. This article shows an interaction of native bovine liver catalase (BLC) with natural antioxidant product, trans resveratrol (tRES) using multispectroscopic methods. Methods: The interaction between BLC and tRES is performed using UV-vis absorption, fluorescence and circular dichroism (CD) spectroscopy and molecular docking study. Results: In vitro kinetic studies indicated that tRES can decrease BLC activity through uncompetitive inhibition. The results of spectroscopic methods represented that the binding of tRES with BLC can change the micro-region around aromatic amino acids (tryptophan (Trp) and tyrosine (Tyr)) and quench intrinsic fluorescence of BLC by a static mechanism. According to fluorescence quenching data analysis, it was revealed that tRES has one binding site on BLC. The thermodynamic parameters were obtained, which demonstrated that tRES can bind to BLC by van der Waals forces and hydrogen bonds. Molecular docking results indicated that tRES binds to BLC away from heme group and near to the Tyr 324 and Phe 265. These results are in agreement with the experimental results. Conclusion: The inhibitory effect of tRES on BLC demonstrated that excessive consumption of the antioxidants could be resulted in hazardous effects.
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Affiliation(s)
- Samaneh Rashtbari
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Gholamreza Dehghan
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Reza Yekta
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrdad Iranshahi
- Department of Pharmacognosy, Faculty of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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19
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Heterolytic OO bond cleavage: Functional role of Glu113 during bis-Fe(IV) formation in MauG. J Inorg Biochem 2016; 167:60-67. [PMID: 27907864 DOI: 10.1016/j.jinorgbio.2016.11.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 09/23/2016] [Accepted: 11/08/2016] [Indexed: 01/16/2023]
Abstract
The diheme enzyme MauG utilizes H2O2 to perform oxidative posttranslational modification on a protein substrate. A bis-Fe(IV) species of MauG was previously identified as a key intermediate in this reaction. Heterolytic cleavage of the OO bond of H2O2 drives the formation of the bis-Fe(IV) intermediate. In this work, we tested a hypothesis that a glutamate residue, Glu113 in the distal pocket of the pentacoordinate heme of MauG, facilitates heterolytic OO bond cleavage, thereby leading to bis-Fe(IV) formation. This hypothesis was proposed based on sequence alignment and structural comparison with other H2O2-utilizing hemoenzymes, especially those from the diheme enzyme superfamily that MauG belongs to. Electron paramagnetic resonance (EPR) characterization of the reaction between MauG and H2O2 revealed that mutation of Glu113 inhibited heterolytic OO bond cleavage, in agreement with our hypothesis. This result was further confirmed by the HPLC study in which an analog of H2O2, cumene hydroperoxide, was used to probe the pattern of OO bond cleavage. Together, our data suggest that Glu113 functions as an acid-base catalyst to assist heterolytic OO bond cleavage during the early stage of the catalytic reaction. This work advances our mechanistic understanding of the H2O2-activation process during bis-Fe(IV) formation in MauG.
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20
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Draganova EB, Adrian SA, Lukat-Rodgers GS, Keutcha CS, Schmitt MP, Rodgers KR, Dixon DW. Corynebacterium diphtheriae HmuT: dissecting the roles of conserved residues in heme pocket stabilization. J Biol Inorg Chem 2016; 21:875-86. [PMID: 27561288 DOI: 10.1007/s00775-016-1386-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 08/10/2016] [Indexed: 12/30/2022]
Abstract
The heme-binding protein HmuT is part of the Corynebacterium diphtheriae heme uptake pathway and is responsible for the delivery of heme to the HmuUV ABC transporter. HmuT binds heme with a conserved His/Tyr heme axial ligation motif. Sequence alignment revealed additional conserved residues of potential importance for heme binding: R237, Y272 and M292. In this study, site-directed mutations at these three positions provided insight into the nature of axial heme binding to the protein and its effect on the thermal stability of the heme-loaded protein fold. UV-visible absorbance, resonance Raman (rR) and thermal unfolding experiments, along with collision-induced dissociation electrospray ionization mass spectrometry, were used to probe the contributions of each mutated residue to the stability of ϖ HmuT. Thermal unfolding and rR experiments revealed that R237 and M292 are important residues for heme binding. Arginine 237 is a hydrogen-bond donor to the phenol side chain of Y235, which serves as an axial heme ligand. Methionine 292 serves a supporting structural role, favoring the R237 hydrogen-bond donation, which elicits a, heretofore, unobserved modulating influence on π donation by the axial tyrosine ligand in the heme carbonyl complex, HmuT-CO.
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Affiliation(s)
| | - Seth A Adrian
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND, 58108-6050, USA
| | - Gudrun S Lukat-Rodgers
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND, 58108-6050, USA
| | - Cyrianne S Keutcha
- Department of Chemistry, Georgia State University, Atlanta, GA, 30302-3965, USA
| | - Michael P Schmitt
- Laboratory of Respiratory and Special Pathogens, Division of Bacterial, Parasitic, and Allergenic Products, Center for Biologics Evaluation, and Research, Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Kenton R Rodgers
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND, 58108-6050, USA
| | - Dabney W Dixon
- Department of Chemistry, Georgia State University, Atlanta, GA, 30302-3965, USA.
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21
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Awasabisah D, Xu N, Gautam KPS, Powell DR, Shaw MJ, Richter-Addo GB. Preparation, Characterization, Electrochemistry, and Infrared Spectroelectrochemistry of Ruthenium Nitrosyl Porphyrins Containingη1-O-Bonded Axial Carboxylates. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201501115] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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22
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Jayakanthan M, Jubendradass R, D'Cruz SC, Mathur PP. A use of homology modeling and molecular docking methods: to explore binding mechanisms of nonylphenol and bisphenol A with antioxidant enzymes. Methods Mol Biol 2015; 1268:273-289. [PMID: 25555729 DOI: 10.1007/978-1-4939-2285-7_12] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Bisphenol A (BPA) and nonylphenol (NP) are phenolic compounds used widely by the industries. BPA and NP are endocrine disruptors possessing estrogenic properties. Several studies have reported that BPA and NP induce oxidative stress in various organs or cell types in animals, by inhibiting the activities of antioxidant enzymes like catalase, superoxide dismutase, glutathione peroxidase, and glutathione reductase. However, it is not understood how BPA and NP interact with these enzymes and inhibit their functions. Hence, it would be significant to check, whether binding sites are available for NP and BPA in antioxidant enzymes. In the present study three-dimensional structures of antioxidant enzymes, catalase, superoxide dismutase, glutathione peroxidase, and glutathione reductase were modeled and docked with BPA and NP. Docking studies revealed that BPA and NP have binding pockets in the antioxidant enzymes. Among the antioxidant enzymes, Catalase was maximally inhibited by BPA and superoxide was maximally inhibited by NP.
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Affiliation(s)
- Mannu Jayakanthan
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Pondicherry, 605 014, India
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23
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Huang HJ, Chen HY, Chang YS, Chen CYC. Insight into two antioxidants binding to the catalase NADPH binding site from traditional Chinese medicines. RSC Adv 2015. [DOI: 10.1039/c4ra14734k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The two TCM compounds, hesperidin and THSG, might help to keep catalase active during the decomposition of hydrogen peroxide.
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Affiliation(s)
- Hung-Jin Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources
- College of Pharmacy
- China Medical University
- Taichung 40402
- Taiwan
| | - Hsin-Yi Chen
- Department of Biomedical Informatics
- Asia University
- Taichung
- Taiwan
| | - Yuan-Shiun Chang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources
- College of Pharmacy
- China Medical University
- Taichung 40402
- Taiwan
| | - Calvin Yu-Chian Chen
- Department of Biomedical Informatics
- Asia University
- Taichung
- Taiwan
- Human Genetic Center
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Abstract
A new native protein gel system was recently developed that enables the rapid and convenient analysis of virtually all soluble proteins, in particular including basic proteins, in their native oligomeric states. This gel system combines the addition of negative charges to the proteins by the dye SERVA Blue G with a Tris-histidine discontinuous buffer system and the use of polyacrylamide gradient gels. The use of histidine for sample focusing rather than glycine as a slow dipolar ion following from the cathode buffer serves to improve migration of basic proteins. In this review, the principle of function as well as the advantages and disadvantages of the new gel system are discussed in the context of other native protein gel systems and further methods for the analysis of the oligomeric state of a protein.
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Affiliation(s)
- Michael Niepmann
- Justus-Liebig-University Giessen, Institute of Biochemistry, Faculty of Medicine, Giessen, Germany.
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25
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Pallotta V, D’Alessandro A, Rinalducci S, Zolla L. Native Protein Complexes in the Cytoplasm of Red Blood Cells. J Proteome Res 2013; 12:3529-46. [DOI: 10.1021/pr400431b] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Valeria Pallotta
- Department of Ecological
and Biological Sciences, University of Tuscia, Largo dell’Università,
snc, 01100 Viterbo, Italy
| | - Angelo D’Alessandro
- Department of Ecological
and Biological Sciences, University of Tuscia, Largo dell’Università,
snc, 01100 Viterbo, Italy
| | - Sara Rinalducci
- Department of Ecological
and Biological Sciences, University of Tuscia, Largo dell’Università,
snc, 01100 Viterbo, Italy
| | - Lello Zolla
- Department of Ecological
and Biological Sciences, University of Tuscia, Largo dell’Università,
snc, 01100 Viterbo, Italy
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Yuzugullu Y, Trinh CH, Smith MA, Pearson AR, Phillips SEV, Sutay Kocabas D, Bakir U, Ogel ZB, McPherson MJ. Structure, recombinant expression and mutagenesis studies of the catalase with oxidase activity fromScytalidium thermophilum. ACTA CRYSTALLOGRAPHICA SECTION D: BIOLOGICAL CRYSTALLOGRAPHY 2013; 69:398-408. [DOI: 10.1107/s0907444912049001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2012] [Accepted: 11/29/2012] [Indexed: 11/10/2022]
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27
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Homology modeling and phylogenetic relationships of catalases of an opportunistic pathogen Rhizopus oryzae. Life Sci 2012; 91:115-26. [DOI: 10.1016/j.lfs.2012.06.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Revised: 05/24/2012] [Accepted: 06/15/2012] [Indexed: 11/19/2022]
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28
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Lippi G, Mercadanti M, Musa R, Aloe R, Cervellin G. The concentration of plasma ethanol measured with an enzymatic assay is decreased in hemolyzed specimens. Clin Chim Acta 2011; 413:356-7. [PMID: 22008703 DOI: 10.1016/j.cca.2011.10.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Revised: 08/06/2011] [Accepted: 10/03/2011] [Indexed: 10/16/2022]
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Purwar N, McGarry JM, Kostera J, Pacheco AA, Schmidt M. Interaction of nitric oxide with catalase: structural and kinetic analysis. Biochemistry 2011; 50:4491-503. [PMID: 21524057 PMCID: PMC3140772 DOI: 10.1021/bi200130r] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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We present the structures of bovine catalase in its native form and complexed with ammonia and nitric oxide, obtained by X-ray crystallography. Using the NO generator 1-(N,N-diethylamino)diazen-1-ium-1,2-diolate, we were able to generate sufficiently high NO concentrations within the catalase crystals that substantial occupation was observed despite a high dissociation rate. Nitric oxide seems to be slightly bent from the heme normal that may indicate some iron(II) character in the formally ferric catalase. Microspectrophotometric investigations inline with the synchrotron X-ray beam reveal photoreduction of the central heme iron. In the cases of the native and ammonia-complexed catalase, reduction is accompanied by a relaxation phase. This is likely not the case for the catalase NO complex. The kinetics of binding of NO to catalase were investigated using NO photolyzed from N,N′-bis(carboxymethyl)-N,N′-dinitroso-p-phenylenediamine using an assay that combines catalase with myoglobin binding kinetics. The off rate is 1.5 s–1. Implications for catalase function are discussed.
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Affiliation(s)
- Namrta Purwar
- Department of Physics, University of Wisconsin-Milwaukee, 1900 East Kenwood Boulevard, Milwaukee, WI 53211, USA
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30
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Birmanns S, Rusu M, Wriggers W. Using Sculptor and Situs for simultaneous assembly of atomic components into low-resolution shapes. J Struct Biol 2010; 173:428-35. [PMID: 21078392 DOI: 10.1016/j.jsb.2010.11.002] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2010] [Revised: 10/31/2010] [Accepted: 11/04/2010] [Indexed: 10/18/2022]
Abstract
We describe an integrated software system called Sculptor that combines visualization capabilities with molecular modeling algorithms for the analysis of multi-scale data sets. Sculptor features extensive special purpose visualization techniques that are based on modern GPU programming and are capable of representing complex molecular assemblies in real-time. The integration of graphics and modeling offers several advantages. The user interface not only eases the usually steep learning curve of pure algorithmic techniques, but it also permits instant analysis and post-processing of results, as well as the integration of results from external software. Here, we implemented an interactive peak-selection strategy that enables the user to explore a preliminary score landscape generated by the colors tool of Situs. The interactive placement of components, one at a time, is advantageous for low-resolution or ambiguously shaped maps, which are sometimes difficult to interpret by the fully automatic peak selection of colors. For the subsequent refinement of the preliminary models resulting from both interactive and automatic peak selection, we have implemented a novel simultaneous multi-body docking in Sculptor and Situs that softly enforces shape complementarities between components using the normalization of the cross-correlation coefficient. The proposed techniques are freely available in Situs version 2.6 and Sculptor version 2.0.
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Affiliation(s)
- Stefan Birmanns
- University of Texas School of Biomedical Informatics at Houston, 7000 Fannin St. UCT 600, Houston, TX 77030, USA.
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31
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Goyal MM, Basak A. Human catalase: looking for complete identity. Protein Cell 2010; 1:888-97. [PMID: 21204015 DOI: 10.1007/s13238-010-0113-z] [Citation(s) in RCA: 158] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Accepted: 09/19/2010] [Indexed: 12/11/2022] Open
Abstract
Catalases are well studied enzymes that play critical roles in protecting cells against the toxic effects of hydrogen peroxide. The ubiquity of the enzyme and the availability of substrates made heme catalases the focus of many biochemical and molecular biology studies over 100 years. In human, this has been implicated in various physiological and pathological conditions. Advancement in proteomics revealed many of novel and previously unknown features of this mysterious enzyme, but some functional aspects are yet to be explained. Along with discussion on future research area, this mini-review compile the information available on the structure, function and mechanism of action of human catalase.
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Affiliation(s)
- Madhur M Goyal
- Department of Biochemistry, J. N. Medical College, Datta Meghe Insatitute of Medical Sciences (Deemed University), Wardha 442004, India.
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32
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Catalase evolved to concentrate H2O2 at its active site. Arch Biochem Biophys 2010; 500:82-91. [DOI: 10.1016/j.abb.2010.05.017] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2010] [Revised: 04/20/2010] [Accepted: 05/18/2010] [Indexed: 10/19/2022]
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33
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Rusu M, Birmanns S. Evolutionary tabu search strategies for the simultaneous registration of multiple atomic structures in cryo-EM reconstructions. J Struct Biol 2010; 170:164-71. [PMID: 20056148 PMCID: PMC2872094 DOI: 10.1016/j.jsb.2009.12.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2009] [Revised: 12/23/2009] [Accepted: 12/29/2009] [Indexed: 10/20/2022]
Abstract
A structural characterization of multi-component cellular assemblies is essential to explain the mechanisms governing biological function. Macromolecular architectures may be revealed by integrating information collected from various biophysical sources - for instance, by interpreting low-resolution electron cryomicroscopy reconstructions in relation to the crystal structures of the constituent fragments. A simultaneous registration of multiple components is beneficial when building atomic models as it introduces additional spatial constraints to facilitate the native placement inside the map. The high-dimensional nature of such a search problem prevents the exhaustive exploration of all possible solutions. Here we introduce a novel method based on genetic algorithms, for the efficient exploration of the multi-body registration search space. The classic scheme of a genetic algorithm was enhanced with new genetic operations, tabu search and parallel computing strategies and validated on a benchmark of synthetic and experimental cryo-EM datasets. Even at a low level of detail, for example 35-40 A, the technique successfully registered multiple component biomolecules, measuring accuracies within one order of magnitude of the nominal resolutions of the maps. The algorithm was implemented using the Sculptor molecular modeling framework, which also provides a user-friendly graphical interface and enables an instantaneous, visual exploration of intermediate solutions.
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Affiliation(s)
| | - Stefan Birmanns
- Correspondening author. Fax: +1 713 500 3907. (Stefan Birmanns)
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34
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Pakhomova S, Gao B, Boeglin WE, Brash AR, Newcomer ME. The structure and peroxidase activity of a 33-kDa catalase-related protein from Mycobacterium avium ssp. paratuberculosis. Protein Sci 2009; 18:2559-68. [PMID: 19827095 PMCID: PMC2821274 DOI: 10.1002/pro.265] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
True catalases are tyrosine-liganded, usually tetrameric, hemoproteins with subunit sizes of approximately 55-84 kDa. Recently characterized hemoproteins with a catalase-related structure, yet lacking in catalatic activity, include the 40-43 kDa allene oxide synthases of marine invertebrates and cyanobacteria. Herein, we describe the 1.8 A X-ray crystal structure of a 33 kDa subunit hemoprotein from Mycobacterium avium ssp. paratuberculosis (annotated as MAP-2744c), that retains the core elements of the catalase fold and exhibits an organic peroxide-dependent peroxidase activity. MAP-2744c exhibits negligible catalatic activity, weak peroxidatic activity using hydrogen peroxide (20/s) and strong peroxidase activity (approximately 300/s) using organic hydroperoxides as co-substrate. Key amino acid differences significantly impact prosthetic group conformation and placement and confer a distinct activity to this prototypical member of a group of conserved bacterial "minicatalases". Its structural features and the result of the enzyme assays support a role for MAP-2744c and its close homologues in mitigating challenge by a variety of reactive oxygen species.
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Affiliation(s)
- Svetlana Pakhomova
- Department of Biological Sciences, Louisiana State UniversityBaton Rouge, Louisiana
| | - Benlian Gao
- Pharmacology Department, Vanderbilt University School of MedicineNashville, Tennessee
| | - William E Boeglin
- Pharmacology Department, Vanderbilt University School of MedicineNashville, Tennessee
| | - Alan R Brash
- Pharmacology Department, Vanderbilt University School of MedicineNashville, Tennessee
| | - Marcia E Newcomer
- Department of Biological Sciences, Louisiana State UniversityBaton Rouge, Louisiana,*Correspondence to: Marcia E. Newcomer, Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803. E-mail:
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35
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He Z, Yu S, Mei G, Zheng M, Wang M, Dai Y, Tang B, Li N. Maternally transmitted milk containing recombinant human catalase provides protection against oxidation for mouse offspring during lactation. Free Radic Biol Med 2008; 45:1135-42. [PMID: 18722522 DOI: 10.1016/j.freeradbiomed.2008.07.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2008] [Revised: 06/26/2008] [Accepted: 07/10/2008] [Indexed: 11/30/2022]
Abstract
Catalase plays an important role in protecting organisms against oxidative damage caused by reactive oxygen species (ROS) by degrading surplus hydrogen peroxide. Addition of exogenous catalase can alleviate injuries caused by ROS. Thus, production of human catalase through genetic engineering will meet the increasing therapeutic demand for this enzyme. In this study, we successfully expressed the recombinant gene in mouse mammary gland, and biologically active human catalase was secreted into the milk of the transgenic mice. The peroxisomal targeting sequence (PTS) within the catalase gene had no significant negative effect on the secretion of the recombinant protein. Intake of the transgenic milk by the pups was found to decrease lipid peroxidation, increase the total superoxide dismutase (T-SOD) activity in the brain, and enhance the total antioxidative capacity (T-AOC) of brain, liver, and serum. To our knowledge, this is the first example of efficient production of biologically active human catalase in the milk of transgenic animals. Our study suggests that scaled-up production in transgenic farm animals would yield sufficient human catalase for biomedical research and clinical therapies.
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Affiliation(s)
- Zuyong He
- State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing 100094, People's Republic of China
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36
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Gao B, Boeglin WE, Brash AR. Role of the conserved distal heme asparagine of coral allene oxide synthase (Asn137) and human catalase (Asn148): mutations affect the rate but not the essential chemistry of the enzymatic transformations. Arch Biochem Biophys 2008; 477:285-90. [PMID: 18652800 DOI: 10.1016/j.abb.2008.07.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2008] [Revised: 07/10/2008] [Accepted: 07/11/2008] [Indexed: 11/17/2022]
Abstract
A catalase-related allene oxide synthase (cAOS) and true catalases that metabolize hydrogen peroxide have similar structure around the heme. One of the distal heme residues considered to help control catalysis is a highly conserved asparagine. Here we addressed the role of this residue in metabolism of the natural substrate 8R-hydroperoxyeicosatetraenoic acid by cAOS and in H(2)O(2) breakdown by catalase. In cAOS, the mutations N137A, N137Q, N137S, N137D, and N137H drastically reduced the rate of reaction (to 0.8-4% of wild-type), yet the mutants all formed the allene oxide as product. This is remarkable because there are many potential heme-catalyzed transformations of fatty acid hydroperoxides and special enzymatic control must be required. In human catalase, the N148A, N148S, or N148D mutations only reduced rates to approximately 20% of wild-type. The distal heme Asn is not essential in either catalase or cAOS. Its conservation throughout evolution may relate to a role in optimizing catalysis.
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Affiliation(s)
- Benlian Gao
- Department of Pharmacology and Vanderbilt Institute of Chemical Biology, Vanderbilt University, 23rd Avenue at Pierce, Nashville, TN 37232-6602, USA
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37
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Koepke JI, Nakrieko KA, Wood CS, Boucher KK, Terlecky LJ, Walton PA, Terlecky SR. Restoration of peroxisomal catalase import in a model of human cellular aging. Traffic 2007; 8:1590-600. [PMID: 17822396 DOI: 10.1111/j.1600-0854.2007.00633.x] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Peroxisomes play an important role in human cellular metabolism by housing enzymes involved in a number of essential biochemical pathways. Many of these enzymes are oxidases that transfer hydrogen atoms to molecular oxygen forming hydrogen peroxide. The organelle also contains catalase, which readily decomposes the hydrogen peroxide, a potentially damaging oxidant. Previous work has demonstrated that aging compromises peroxisomal protein import with catalase being particularly affected. The resultant imbalance in the relative ratio of oxidases to catalase was seen as a potential contributor to cellular oxidative stress and aging. Here we report that altering the peroxisomal targeting signal of catalase to the more effective serine-lysine-leucine (SKL) sequence results in a catalase molecule that more strongly interacts with its receptor and is more efficiently imported in both in vitro and in vivo assays. Furthermore, catalase-SKL monomers expressed in cells interact with endogenous catalase subunits resulting in altered trafficking of the latter molecules. A dramatic reduction in cellular hydrogen peroxide levels accompanies this increased peroxisomal import of catalase. Finally, we show that catalase-SKL stably expressed in cells by retroviral-mediated transduction repolarizes mitochondria and reduces the number of senescent cells in a population. These results demonstrate the utility of a catalase-SKL therapy for the restoration of a normal oxidative state in aging cells.
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Affiliation(s)
- Jay I Koepke
- Department of Pharmacology, Wayne State University School of Medicine, 540 East Canfield Avenue, Detroit, Michigan 48201, USA
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38
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Abstract
Analysis of the oligomeric state of a native protein usually requires analytical ultracentrifugation or repeated gel filtration to calculate the protein's size. We have developed a discontinuous native protein gel electrophoresis system that allows the separation of even basic proteins according to their size, oligomeric state, and shape. This gel system combines the addition of negative charges to the proteins by Serva Blue G with a discontinuous buffer system and gradient gels. As in SDS-PAGE, chloride constitutes the high mobility anion in the gel and anode buffer. However, for sample focusing this system employs histidine instead of glycine as the slow dipolar ion following from the cathode buffer to improve migration of basic proteins. In addition, proteins run into gel pores corresponding to their size and shape in the gradient gel. Using this gel system, we show that the polypyrimidine tract-binding protein (PTB) is a monomer.
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Affiliation(s)
- Michael Niepmann
- Institute of Biochemistry, Justus-Liebig-University Giessen, Giessen, Germany.
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39
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Ramsay B, Wiedenheft B, Allen M, Gauss GH, Lawrence CM, Young M, Douglas T. Dps-like protein from the hyperthermophilic archaeon Pyrococcus furiosus. J Inorg Biochem 2006; 100:1061-8. [PMID: 16412514 DOI: 10.1016/j.jinorgbio.2005.12.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2005] [Revised: 11/23/2005] [Accepted: 11/28/2005] [Indexed: 11/17/2022]
Abstract
Oxidative stress is a universal phenomenon experienced by organisms in all domains of life. Proteins like those in the ferritin-like di-iron carboxylate superfamily have evolved to manage this stress. Here we describe the cloning, isolation, and characterization of a Dps-like protein from the hyperthermophilic archaeon Pyrococcus furiosus (PfDps-like). Phylogenetic analysis, primary structure alignments and higher order structural predictions all suggest that the P. furiosus protein is related to proteins within the broad superfamily of ferritin-like di-iron carboxylate proteins. The recombinant PfDps protein self-assembles into a 12 subunit quaternary structure with an outer shell diameter of approximately 10nm and an interior diameter of approximately 5 nm. Dps proteins functionally manage the toxicity of oxidative stress by sequestering intracellular ferrous iron and using it to reduce H(2)O(2) in a two electron process to form water. The iron is converted to a benign form as Fe(III) within the protein cage. This Dps-mediated reduction of hydrogen peroxide, coupled with the protein's capacity to sequester iron, contributes to its service as a multifunctional antioxidant.
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Affiliation(s)
- Bradley Ramsay
- Thermal Biology Institute, Montana State University, 108 Gaines Hall, Bozeman, MT 59717, USA
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40
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Díaz A, Horjales E, Rudiño-Piñera E, Arreola R, Hansberg W. Unusual Cys-Tyr covalent bond in a large catalase. J Mol Biol 2004; 342:971-85. [PMID: 15342250 DOI: 10.1016/j.jmb.2004.07.027] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2004] [Revised: 07/02/2004] [Accepted: 07/11/2004] [Indexed: 10/26/2022]
Abstract
Catalase-1, one of four catalase activities of Neurospora crassa, is associated with non-growing cells and accumulates in asexual spores. It is a large, tetrameric, highly efficient, and durable enzyme that is active even at molar concentrations of hydrogen peroxide. Catalase-1 is oxidized at the heme by singlet oxygen without significant effects on enzyme activity. Here we present the crystal structure of catalase-1 at 1.75A resolution. Compared to structures of other catalases of the large class, the main differences were found at the carboxy-terminal domain. The heme group is rotated 180 degrees around the alpha-gamma-meso carbon axis with respect to clade 3 small catalases. There is no co-ordination bond of the ferric ion at the heme distal side in catalase-1. The catalase-1 structure exhibited partial oxidation of heme b to heme d. Singlet oxygen, produced catalytically or by photosensitization, may hydroxylate C5 and C6 of pyrrole ring III with a subsequent formation of a gamma-spirolactone in C6. The modification site in catalases depends on the way dioxygen exits the protein: mainly through the central channel or the main channel in large and small catalases, respectively. The catalase-1 structure revealed an unusual covalent bond between a cysteine sulphur atom and the essential tyrosine residue of the proximal side of the active site. A peptide with the predicted theoretical mass of the two bound tryptic peptides was detected by mass spectrometry. A mechanism for the Cys-Tyr covalent bond formation is proposed. The tyrosine bound to the cysteine residue would be less prone to donate electrons to compound I to form compound II, explaining catalase-1 resistance to substrate inhibition and inactivation. An apparent constriction of the main channel at Ser198 lead us to propose a gate that opens the narrow part of the channel when there is sufficient hydrogen peroxide in the small cavity before the gate. This mechanism would explain the increase in catalytic velocity as the hydrogen peroxide concentration rises.
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Affiliation(s)
- Adelaida Díaz
- Instituto de Fisiología Celular Universidad Nacional Autónoma de México, Circuito exterior s/n, Ciudad Universitaria, México, D.F., CP 04510, México
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41
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Chelikani P, Carpena X, Fita I, Loewen PC. An electrical potential in the access channel of catalases enhances catalysis. J Biol Chem 2003; 278:31290-6. [PMID: 12777389 DOI: 10.1074/jbc.m304076200] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Substrate H2O2 must gain access to the deeply buried active site of catalases through channels of 30-50 A in length. The most prominent or main channel approaches the active site perpendicular to the plane of the heme and contains a number of residues that are conserved in all catalases. Changes in Val169, 8 A from the heme in catalase HPII from Escherichia coli, introducing smaller, larger or polar side chains reduces the catalase activity. Changes in Asp181, 12 A from the heme, reduces activity by up to 90% if the negatively charged side chain is removed when Ala, Gln, Ser, Asn, or Ile are the substituted residues. Only the D181E variant retains wild type activity. Determination of the crystal structures of the Glu181, Ala181, Ser181, and Gln181 variants of HPII reveals lower water occupancy in the main channel of the less active variants, particularly at the position forming the sixth ligand to the heme iron and in the hydrophobic, constricted region adjacent to Val169. It is proposed that an electrical potential exists between the negatively charged aspartate (or glutamate) side chain at position 181 and the positively charged heme iron 12 A distant. The potential field acts upon the electrical dipoles of water generating a common orientation that favors hydrogen bond formation and promotes interaction with the heme iron. Substrate hydrogen peroxide would be affected similarly and would enter the active site oriented optimally for interaction with active site residues.
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Affiliation(s)
- Prashen Chelikani
- Department of Microbiology, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
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42
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Heck DE, Vetrano AM, Mariano TM, Laskin JD. UVB light stimulates production of reactive oxygen species: unexpected role for catalase. J Biol Chem 2003; 278:22432-6. [PMID: 12730222 DOI: 10.1074/jbc.c300048200] [Citation(s) in RCA: 254] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
In keratinocytes, UVB light stimulates the production of reactive oxygen species (ROS). Lysates of these cells were found to possess a non-dialyzable, trypsin- and heat-sensitive material capable of generating ROS in response to UVB light. Using ion exchange, metal affinity, and size exclusion chromatography, a 240-kDa protein was isolated with ROS generating activity. The protein exhibited strong absorption in the 320-360 nm range with additional soret peaks around 400-410 nm, suggesting the presence of heme. Sequencing using liquid chromatography-ion trap mass spectrometry identified the protein as catalase. Using purified catalases from a variety of species, the ROS generating activity was found to be temperature- and O2-dependent, stimulated by inhibitors of the catalatic activity of catalase, including 3-aminotriazole and azide, and inhibited by cyanide. A marked increase in the production of ROS was observed in UVB-treated cells overexpressing catalase and decreased generation of oxidants was found in UVB-treated keratinocytes with reduced levels of catalase. Our data indicate that catalase plays a direct role in generating oxidants in response to UVB light. The finding that catalase mediates the production of ROS following UVB treatment is both novel and highly divergent from the well known antioxidant functions of the enzyme. We hypothesize that, through the actions of catalase, high energy DNA damaging UVB light is absorbed by the enzyme and converted to reactive chemical intermediates that can be detoxified by cellular antioxidant enzymes. Accumulation of excessive ROS, generated through the action of catalase, may lead to oxidative stress, DNA damage, and the development of skin cancer.
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Affiliation(s)
- Diane E Heck
- Department of Pharmacology and Toxicology, Rutgers University, Piscataway, New Jersey 08854, USA.
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43
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Orzechowski A, Gajkowska B, Wojewódzka U, Cassar-Malek I, Picard B, Hocquette JF. Immunohistochemical analysis of bFGF, TGF-beta1 and catalase in rectus abdominis muscle from cattle foetuses at 180 and 260 days post-conception. Tissue Cell 2002; 34:416-26. [PMID: 12441094 DOI: 10.1016/s0040816602000824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The potential for muscle growth depends on myoblast proliferation, which occurs essentially during the first two thirds of the foetal period in cattle. Thereafter, myofibres acquire their contractile and metabolic properties. Proliferation is regulated by molecular growth factors and by the tissue oxidative activity. The aim of this study was the quantification by immunochemistry of basic fibroblast growth factor (bFGF) and transforming growth factor beta 1 (TGF-beta1) and also of enzyme catalase (CAT) activity in rectus abdominis muscle. Samples were collected from cattle foetuses of different growth potential at 180 and 260 days post-conception (dpc). One major conclusion from this work is that protein contents of the muscle tissue bFGF and, to a lower extent, CAT activity decreased with increasing age during the foetal life. No differences were found between the different genotypes of cattle. However, the CAT to bFGF ratio tended to be lower in fast-growing cattle and increased with foetal age. TGF-beta1 did not change with age and was localised mostly at the vascular bed. CAT was detected in smooth and rough reticulum in striated muscles at 180dpc, and additionally in mitochondria at 260dpc. In conclusion, the balance between intracellular growth factors (bFGF and TGF-beta1) and the activity of antioxidant enzyme CAT may participate in the regulation of the transition from myoblast proliferation to differentiation. Thus, increased ratio of CAT to bFGF might be a good index indicating initiation of muscle maturation in cattle foetus prior to birth.
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Affiliation(s)
- A Orzechowski
- Department of Physiological Sciences, Faculty of Veterinary Medicine, Warsaw Agricultural University, Warsaw, Poland.
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44
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Abstract
Catalases from 16 different organisms including representatives from all three phylogenetic clades were purified and characterized to provide a comparative picture of their respective properties. Collectively the enzymes presented a diverse range of activities and properties. Specific activities ranged from 20,700 to 273,800 units per milligram of protein and maximal turnover rates ranged from 54,000 to 833,000 per second. The effective concentrations of common catalase inhibitors, cyanide, azide, hydroxylamine, aminotriazole, and mercaptoethanol, varied over a 100- to 1000-fold concentration range, and a broad range of sensitivities to heat inactivation was observed. Michaelis-Menten kinetics were approximately followed only at the low substrate concentrations. At high H(2)O(2) concentrations, inactivation of small-subunit enzymes resulted in lower velocities than what were predicted, whereas large-subunit enzymes had velocities higher than predicted. Kinetic constants such as K(m) and V(max) for catalases must be labeled as "apparent."
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Affiliation(s)
- Jacek Switala
- Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
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45
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Melik-Adamyan W, Bravo J, Carpena X, Switala J, Maté MJ, Fita I, Loewen PC. Substrate flow in catalases deduced from the crystal structures of active site variants of HPII from Escherichia coli. Proteins 2001; 44:270-81. [PMID: 11455600 DOI: 10.1002/prot.1092] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The active site of heme catalases is buried deep inside a structurally highly conserved homotetramer. Channels leading to the active site have been identified as potential routes for substrate flow and product release, although evidence in support of this model is limited. To investigate further the role of protein structure and molecular channels in catalysis, the crystal structures of four active site variants of catalase HPII from Escherichia coli (His128Ala, His128Asn, Asn201Ala, and Asn201His) have been determined at approximately 2.0-A resolution. The solvent organization shows major rearrangements with respect to native HPII, not only in the vicinity of the replaced residues but also in the main molecular channel leading to the heme distal pocket. In the two inactive His128 variants, continuous chains of hydrogen bonded water molecules extend from the molecular surface to the heme distal pocket filling the main channel. The differences in continuity of solvent molecules between the native and variant structures illustrate how sensitive the solvent matrix is to subtle changes in structure. It is hypothesized that the slightly larger H(2)O(2) passing through the channel of the native enzyme will promote the formation of a continuous chain of solvent and peroxide. The structure of the His128Asn variant complexed with hydrogen peroxide has also been determined at 2.3-A resolution, revealing the existence of hydrogen peroxide binding sites both in the heme distal pocket and in the main channel. Unexpectedly, the largest changes in protein structure resulting from peroxide binding are clustered on the heme proximal side and mainly involve residues in only two subunits, leading to a departure from the 222-point group symmetry of the native enzyme. An active role for channels in the selective flow of substrates through the catalase molecule is proposed as an integral feature of the catalytic mechanism. The Asn201His variant of HPII was found to contain unoxidized heme b in combination with the proximal side His-Tyr bond suggesting that the mechanistic pathways of the two reactions can be uncoupled.
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Affiliation(s)
- W Melik-Adamyan
- Institute of Crystallography, Russian Academy of Sciences, Moscow, Russia
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