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Zhao Y, Liu Y, Wu J, Kong D, Zhao S, Li G, Li W. Swamp eel aldehyde reductase is involved in response to nitrosative stress via regulating NO/GSH levels. JOURNAL OF FISH BIOLOGY 2023; 103:529-543. [PMID: 37266950 DOI: 10.1111/jfb.15471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 06/01/2023] [Indexed: 06/03/2023]
Abstract
Aldehyde reductase (ALR) plays key roles in the detoxification of toxic aldehyde. In this study, the authors cloned the swamp eel ALR gene using rapid amplification of cDNA ends-PCR (RACE-PCR). The recombinant protein (rALR) was expressed in Escherichia coli and purified using a Ni2+ -NTA chelating column. The rALR protein exhibited efficient reductive activity towards several aldehydes, ketones and S-nitrosoglutathione (GSNO). A spot assay suggested that the recombinant E. coli strain expressing rALR showed better resistance to formaldehyde, sodium nitrite and GSNO stress, suggesting that swamp eel ALR is crucial for redox homeostasis in vivo. Consequently, the authors investigated the effect of rALR on the oxidative parameters of the liver in swamp eels challenged with Aeromonas hydrophila. The hepatic glutathione (GSH) content significantly increased, and the hepatic NO content and levels of reactive oxygen species and reactive nitrogen species significantly decreased when rALR was administered. In addition, the mRNA expression of hepatic Alr, HO1 and Nrf2 was significantly upregulated, whereas the expression levels of NF-κB, IL-1β and NOS1 were significantly downregulated in the rALR-administered group. Collectively, these results suggest that ALR is involved in the response to nitrosative stress by regulating GSH/NO levels in the swamp eel.
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Affiliation(s)
- Yuhe Zhao
- College of Life Sciences, Yangtze University, Jingzhou, China
| | - Yang Liu
- College of Life Sciences, Yangtze University, Jingzhou, China
| | - Jianfen Wu
- College of Life Sciences, Yangtze University, Jingzhou, China
| | - Dan Kong
- College of Life Sciences, Yangtze University, Jingzhou, China
| | - Sifan Zhao
- College of Life Sciences, Yangtze University, Jingzhou, China
| | - Guopan Li
- College of Life Sciences, Yangtze University, Jingzhou, China
| | - Wei Li
- College of Life Sciences, Yangtze University, Jingzhou, China
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Ajayeoba TA, Woods JO, Ayeni AO, Ajayi TJ, Akeem RA, Hosten EC, Akinyele OF. Synthesis, crystallographic, computational and molecular docking studies of new acetophenone-benzoylhydrazones. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Fujii J, Homma T, Miyata S, Takahashi M. Pleiotropic Actions of Aldehyde Reductase (AKR1A). Metabolites 2021; 11:343. [PMID: 34073440 PMCID: PMC8227408 DOI: 10.3390/metabo11060343] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 05/23/2021] [Accepted: 05/24/2021] [Indexed: 12/16/2022] Open
Abstract
We provide an overview of the physiological roles of aldehyde reductase (AKR1A) and also discuss the functions of aldose reductase (AKR1B) and other family members when necessary. Many types of aldehyde compounds are cytotoxic and some are even carcinogenic. Such toxic aldehydes are detoxified via the action of AKR in an NADPH-dependent manner and the resulting products may exert anti-diabetic and anti-tumorigenic activity. AKR1A is capable of reducing 3-deoxyglucosone and methylglyoxal, which are reactive intermediates that are involved in glycation, a non-enzymatic glycosylation reaction. Accordingly, AKR1A is thought to suppress the formation of advanced glycation end products (AGEs) and prevent diabetic complications. AKR1A and, in part, AKR1B are responsible for the conversion of d-glucuronate to l-gulonate which constitutes a process for ascorbate (vitamin C) synthesis in competent animals. AKR1A is also involved in the reduction of S-nitrosylated glutathione and coenzyme A and thereby suppresses the protein S-nitrosylation that occurs under conditions in which the production of nitric oxide is stimulated. As the physiological functions of AKR1A are currently not completely understood, the genetic modification of Akr1a could reveal the latent functions of AKR1A and differentiate it from other family members.
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Affiliation(s)
- Junichi Fujii
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, Yamagata 990-9585, Japan;
| | - Takujiro Homma
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, Yamagata 990-9585, Japan;
| | - Satoshi Miyata
- Miyata Diabetes and Metabolism Clinic, 5-17-21 Fukushima, Fukushima-ku, Osaka 553-0003, Japan;
| | - Motoko Takahashi
- Department of Biochemistry, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan;
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Carbone V, Giglio M, Chung R, Huyton T, Adams J, Maccari R, Ottana R, Hara A, El-Kabbani O. Structure of aldehyde reductase in ternary complex with a 5-arylidene-2,4-thiazolidinedione aldose reductase inhibitor. Eur J Med Chem 2010; 45:1140-5. [DOI: 10.1016/j.ejmech.2009.12.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2009] [Revised: 12/02/2009] [Accepted: 12/10/2009] [Indexed: 11/24/2022]
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Abstract
Aldo-keto reductases (AKRs) are soluble NAD(P)(H) oxidoreductases that primarily reduce aldehydes and ketones to primary and secondary alcohols, respectively. The ten known human AKR enzymes can turnover a vast range of substrates, including drugs, carcinogens, and reactive aldehydes. They play central roles in the metabolism of these agents, and this can lead to either their bioactivation or detoxication. AKRs are Phase I drug metabolizing enzymes for a variety of carbonyl-containing drugs and are implicated in cancer chemotherapeutic drug resistance. They are involved in tobacco-carcinogenesis because they activate polycyclic aromatic trans-dihydrodiols to yield reactive and redox active o-quinones, but they also catalyze the detoxication of nicotine derived nitrosamino ketones. They also detoxify reactive aldehydes formed from exogenous toxicants, e.g., aflatoxin, endogenous toxicants, and those formed from the breakdown of lipid peroxides. AKRs are stress-regulated genes and play a central role in the cellular response to osmotic, electrophilic, and oxidative stress.
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Affiliation(s)
- Yi Jin
- Department of Pharmacology, Center of Excellence in Environmental Toxicology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
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Richter MP, Holland-Nell K, Beck-Sickinger AG. Site specific biotinylation of the human aldo/keto reductase AKR1A1 for immobilization. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.06.038] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ehrenman K, Yang G, Hong WP, Gao T, Jang W, Brock DA, Hatton RD, Shoemaker JD, Gomer RH. Disruption of aldehyde reductase increases group size in dictyostelium. J Biol Chem 2003; 279:837-47. [PMID: 14551196 DOI: 10.1074/jbc.m310539200] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Developing Dictyostelium cells form structures containing approximately 20,000 cells. The size regulation mechanism involves a secreted counting factor (CF) repressing cytosolic glucose levels. Glucose or a glucose metabolite affects cell-cell adhesion and motility; these in turn affect whether a group stays together, loses cells, or even breaks up. NADPH-coupled aldehyde reductase reduces a wide variety of aldehydes to the corresponding alcohols, including converting glucose to sorbitol. The levels of this enzyme previously appeared to be regulated by CF. We find that disrupting alrA, the gene encoding aldehyde reductase, results in the loss of alrA mRNA and AlrA protein and a decrease in the ability of cell lysates to reduce both glyceraldehyde and glucose in an NADPH-coupled reaction. Counterintuitively, alrA- cells grow normally and have decreased glucose levels compared with parental cells. The alrA- cells form long unbroken streams and huge groups. Expression of AlrA in alrA- cells causes cells to form normal fruiting bodies, indicating that AlrA affects group size. alrA- cells have normal adhesion but a reduced motility, and computer simulations suggest that this could indeed result in the formation of large groups. alrA- cells secrete low levels of countin and CF50, two components of CF, and this could partially account for why alrA- cells form large groups. alrA- cells are responsive to CF and are partially responsive to recombinant countin and CF50, suggesting that disrupting alrA inhibits but does not completely block the CF signal transduction pathway. Gas chromatography/mass spectroscopy indicates that the concentrations of several metabolites are altered in alrA- cells, suggesting that the Dictyostelium aldehyde reductase affects several metabolic pathways in addition to converting glucose to sorbitol. Together, our data suggest that disrupting alrA affects CF secretion, causes many effects on cellular metabolism, and has a major effect on group size.
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Affiliation(s)
- Karen Ehrenman
- Howard Hughes Medical Institute and Department of Biochemistry and Cell Biology, Rice University, Houston, Texas 77005-1892, USA
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Obmolova G, Teplyakov A, Khil PP, Howard AJ, Camerini-Otero RD, Gilliland GL. Crystal structure of theEscherichia coli Tas protein, an NADP(H)-dependent aldo-keto reductase. Proteins 2003; 53:323-5. [PMID: 14517983 DOI: 10.1002/prot.10367] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Galina Obmolova
- Center for Advanced Research in Biotechnology, University of Maryland Biotechnology Institute and the National Institute of Standards and Technology, Rockville, Maryland 20850, USA
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Abstract
The aldo-keto reductase superfamily catalyzes the reduction of a broad range of aldehydes and ketones to their corresponding alcohols. Here we report the cloning of the mouse aldehyde reductase cDNA and its embryonic pattern of expression. From stages E7.5 to E13.5 the gene encoding for this enzyme is expressed at high levels in several tissues, including the neural ectoderm, gut endoderm, somites, branchial arches, otic vesicles, limb buds, and tail bud. In adult mice aldehyde reductase was expressed in all tissues examined.
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Affiliation(s)
- D Allan
- Department of Medicine, Division of Experimental Medicine, McGill University, Montréal, Québec, Canada
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Jez JM, Bennett MJ, Schlegel BP, Lewis M, Penning TM. Comparative anatomy of the aldo-keto reductase superfamily. Biochem J 1997; 326 ( Pt 3):625-36. [PMID: 9307009 PMCID: PMC1218714 DOI: 10.1042/bj3260625] [Citation(s) in RCA: 452] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The aldo-keto reductases metabolize a wide range of substrates and are potential drug targets. This protein superfamily includes aldose reductases, aldehyde reductases, hydroxysteroid dehydrogenases and dihydrodiol dehydrogenases. By combining multiple sequence alignments with known three-dimensional structures and the results of site-directed mutagenesis studies, we have developed a structure/function analysis of this superfamily. Our studies suggest that the (alpha/beta)8-barrel fold provides a common scaffold for an NAD(P)(H)-dependent catalytic activity, with substrate specificity determined by variation of loops on the C-terminal side of the barrel. All the aldo-keto reductases are dependent on nicotinamide cofactors for catalysis and retain a similar cofactor binding site, even among proteins with less than 30% amino acid sequence identity. Likewise, the aldo-keto reductase active site is highly conserved. However, our alignments indicate that variation ofa single residue in the active site may alter the reaction mechanism from carbonyl oxidoreduction to carbon-carbon double-bond reduction, as in the 3-oxo-5beta-steroid 4-dehydrogenases (Delta4-3-ketosteroid 5beta-reductases) of the superfamily. Comparison of the proposed substrate binding pocket suggests residues 54 and 118, near the active site, as possible discriminators between sugar and steroid substrates. In addition, sequence alignment and subsequent homology modelling of mouse liver 17beta-hydroxysteroid dehydrogenase and rat ovary 20alpha-hydroxysteroid dehydrogenase indicate that three loops on the C-terminal side of the barrel play potential roles in determining the positional and stereo-specificity of the hydroxysteroid dehydrogenases. Finally, we propose that the aldo-keto reductase superfamily may represent an example of divergent evolution from an ancestral multifunctional oxidoreductase and an example of convergent evolution to the same active-site constellation as the short-chain dehydrogenase/reductase superfamily.
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Affiliation(s)
- J M Jez
- Department of Biochemistry & Biophysics, University of Pennsylvania Medical School, 3620Hamilton Walk, Philadelphia, PA 19104, USA
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Abstract
The aldo-keto reductases (AKRs) represent a growing oxidoreductase superfamily. Forty proteins have been identified and characterized as AKRs, and an additional fourteen genes may encode proteins related to the superfamily. Found in eukaryotes and prokaryotes, the AKRs metabolize a wide range of substrates, including aliphatic aldehydes, monosaccharides, steroids, prostaglandins, and xenobiotics. This broad substrate specificity has caused problems in naming these proteins. Enzymes capable of these reactions have been referred to as aldehyde reductase (ALR1), aldose reductase (ALR2), and carbonyl reductase (ALR3); however, ALR3 is not a member of the AKR superfamily. Also, some AKRs have multiple names based upon substrate specificity. For example, human 3alpha-hydroxysteroid dehydrogenase (3apha-HSD) type I is also known as dihydrodiol dehydrogenase 4 and chlordecone reductase. To address these issues, we propose a new nomenclature system for the AKR superfamily based on amino acid sequence identities. Cluster analysis of the AKRs shows seven distinct families at the 40% amino acid identity level. The largest family (AKR1) contains the aldose reductases, aldehyde reductases, and HSDs. Other families include the prokaryotic AKRs, the plant chalcone reductases, the Shaker channels, and the ethoxyquin-inducible aflatoxin B1 aldehyde reductase. At the level of 60% amino acid identity, subfamilies are discernible. For example, the AKR1 family includes five subfamilies: (A) aldehyde reductases (mammalian); (B) aldose reductases; (C) HSDs; (D) delta4-3-ketosteroid-5beta-reductases; and (E) aldehyde reductases (plant). This cluster analysis forms the basis for our nomenclature system. Recommendations for naming an aldo-keto reductase include the root symbol "AKR," an Arabic number designating the family, a letter indicating the subfamily when multiple subfamilies exist, and an Arabic numeral representing the unique protein sequence. For example, human aldehyde reductase would be assigned as AKR1A1. Our nomenclature is both systematic and expandable, thereby allowing assignment of consistent designations for newly identified members of the superfamily.
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Affiliation(s)
- J M Jez
- Department of Biochemistry & Biophysics, University of Pennsylvania Medical School, Philadelphia 19104, U.S.A
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Jez JM, Flynn TG, Penning TM. A nomenclature system for the aldo-keto reductase superfamily. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1997; 414:579-600. [PMID: 9059665 DOI: 10.1007/978-1-4615-5871-2_66] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
As new members of the AKR superfamily are identified the need for a systematic and expandable nomenclature has risen, especially since some members of the superfamily have multiple names based on substrate specificity. We have proposed a nomenclature system for the AKR superfamily that is similar to the P450 system but based on amino acid sequence comparisons instead of nucleotide sequence comparisons. Our system uses percent amino acid identities to delineate families and subfamilies within the larger superfamily. Although there are not as many AKRs as P450s, having a flexible nomenclature system will allow for easy incorporation of new proteins into the superfamily.
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Affiliation(s)
- J M Jez
- Department of Biochemistry and Biophysics, University of Pennsylvania Medical School, Philadelphia 19104, USA
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