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Muronetz VI, Kudryavtseva SS, Leisi EV, Kurochkina LP, Barinova KV, Schmalhausen EV. Regulation by Different Types of Chaperones of Amyloid Transformation of Proteins Involved in the Development of Neurodegenerative Diseases. Int J Mol Sci 2022; 23:ijms23052747. [PMID: 35269889 PMCID: PMC8910861 DOI: 10.3390/ijms23052747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/21/2022] [Accepted: 02/28/2022] [Indexed: 02/06/2023] Open
Abstract
The review highlights various aspects of the influence of chaperones on amyloid proteins associated with the development of neurodegenerative diseases and includes studies conducted in our laboratory. Different sections of the article are devoted to the role of chaperones in the pathological transformation of alpha-synuclein and the prion protein. Information about the interaction of the chaperonins GroE and TRiC as well as polymer-based artificial chaperones with amyloidogenic proteins is summarized. Particular attention is paid to the effect of blocking chaperones by misfolded and amyloidogenic proteins. It was noted that the accumulation of functionally inactive chaperones blocked by misfolded proteins might cause the formation of amyloid aggregates and prevent the disassembly of fibrillar structures. Moreover, the blocking of chaperones by various forms of amyloid proteins might lead to pathological changes in the vital activity of cells due to the impaired folding of newly synthesized proteins and their subsequent processing. The final section of the article discusses both the little data on the role of gut microbiota in the propagation of synucleinopathies and prion diseases and the possible involvement of the bacterial chaperone GroE in these processes.
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Affiliation(s)
- Vladimir I. Muronetz
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Correspondence:
| | - Sofia S. Kudryavtseva
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Faculty of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia;
| | - Evgeniia V. Leisi
- Faculty of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia;
| | - Lidia P. Kurochkina
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
| | - Kseniya V. Barinova
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
| | - Elena V. Schmalhausen
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
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The DnaK/DnaJ Chaperone System Enables RNA Polymerase-DksA Complex Formation in Salmonella Experiencing Oxidative Stress. mBio 2021; 12:mBio.03443-20. [PMID: 33975942 PMCID: PMC8262869 DOI: 10.1128/mbio.03443-20] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Our previous biochemical approaches showed that the oxidoreductase activity of the DnaJ protein facilitates the interaction of oxidized DksA with RNA polymerase. Investigations herein demonstrate that under biologically relevant conditions the DnaJ- and DksA-codependent activation of the stringent response in Salmonella undergoing oxidative stress involves the DnaK chaperone. Oxidation of DksA cysteine residues stimulates redox-based and holdase interactions with zinc-binding and C-terminal domains of DnaJ. Genetic and biochemical evidence indicates that His33 in the HPD motif in the J domain of DnaJ facilitates interactions of unfolded DksA with DnaK. A mutation in His33 in the J domain prevents the presentation of unfolded DksA to DnaK without limiting the oxidoreductase activity mapped to DnaJ's zinc-2 site. Thr199 in the ATPase catalytic site of DnaK is required for the formation of the DksA/RNA polymerase complex. The DnaK/DnaJ/DksA complex enables the formation of an enzymatically active RNA polymerase holoenzyme that stimulates transcription of branched-chain amino acid and histidine metabolic genes in Salmonella exposed to reactive oxygen species. The DnaK/DnaJ chaperone protects Salmonella against the cytotoxicity associated with reactive oxygen species generated by the phagocyte NADPH oxidase in the innate host response. The antioxidant defenses associated with DnaK/DnaJ can in part be ascribed to the elicitation of the DksA-dependent stringent response and the protection this chaperone system provides against protein carbonylation in Salmonella undergoing oxidative stress.IMPORTANCE DksA was discovered 30 years ago in a screen for suppressors that reversed the thermosensitivity of Escherichia coli mutant strains deficient in DnaK/DnaJ, raising the possibility that this chaperone system may control DksA function. Since its serendipitous discovery, DksA has emerged as a key activator of the transcriptional program called the stringent response in Gram-negative bacteria experiencing diverse adverse conditions, including nutritional starvation or oxidative stress. DksA activates the stringent response through the allosteric control this regulatory protein exerts on the kinetics of RNA polymerase promoter open complexes. Recent investigations have shown that DksA overexpression protects dnaKJ mutant bacteria against heat shock indirectly via the ancestral chaperone polyphosphate, casting doubt on a possible complexation of DnaK, DnaJ, and DksA. Nonetheless, research presented herein demonstrates that the cochaperones DnaK and DnaJ enable DksA/RNA polymerase complex formation in response to oxidative stress.
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Barriot R, Latour J, Castanié-Cornet MP, Fichant G, Genevaux P. J-Domain Proteins in Bacteria and Their Viruses. J Mol Biol 2020; 432:3771-3789. [DOI: 10.1016/j.jmb.2020.04.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/10/2020] [Accepted: 04/14/2020] [Indexed: 02/06/2023]
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Sha Y, Marshall HE. S-nitrosylation in the regulation of gene transcription. Biochim Biophys Acta Gen Subj 2011; 1820:701-11. [PMID: 21640163 DOI: 10.1016/j.bbagen.2011.05.008] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2011] [Accepted: 05/14/2011] [Indexed: 12/30/2022]
Abstract
BACKGROUND Post-translational modification of proteins by S-nitrosylation serves as a major mode of signaling in mammalian cells and a growing body of evidence has shown that transcription factors and their activating pathways are primary targets. S-nitrosylation directly modifies a number of transcription factors, including NF-κB, HIF-1, and AP-1. In addition, S-nitrosylation can indirectly regulate gene transcription by modulating other cell signaling pathways, in particular JNK kinase and ras. SCOPE OF REVIEW The evolution of S-nitrosylation as a signaling mechanism in the regulation of gene transcription, physiological advantages of protein S-nitrosylation in the control of gene transcription, and discussion of the many transcriptional proteins modulated by S-nitrosylation is summarized. MAJOR CONCLUSIONS S-nitrosylation plays a crucial role in the control of mammalian gene transcription with numerous transcription factors regulated by this modification. Many of these proteins serve as immunomodulators, and inducible nitric oxide synthase (iNOS) is regarded as a principal mediatiator of NO-dependent S-nitrosylation. However, additional targets within the nucleus (e.g. histone deacetylases) and alternative mechanisms of S-nitrosylation (e.g. GAPDH-mediated trans-nitrosylation) are thought to play a role in NOS-dependent transcriptional regulation. GENERAL SIGNIFICANCE Derangement of SNO-regulated gene transcription is an important factor in a variety of pathological conditions including neoplasia and sepsis. A better understanding of protein S-nitrosylation as it relates to gene transcription and the physiological mechanisms behind this process is likely to lead to novel therapies for these disorders. This article is part of a Special Issue entitled Regulation of Cellular Processes by S-nitrosylation.
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Affiliation(s)
- Yonggang Sha
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
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Bourret TJ, Boylan JA, Lawrence KA, Gherardini FC. Nitrosative damage to free and zinc-bound cysteine thiols underlies nitric oxide toxicity in wild-type Borrelia burgdorferi. Mol Microbiol 2011; 81:259-73. [PMID: 21564333 PMCID: PMC3147059 DOI: 10.1111/j.1365-2958.2011.07691.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Borrelia burgdorferi encounters potentially harmful reactive nitrogen species (RNS) throughout its infective cycle. In this study, diethylamine NONOate (DEA/NO) was used to characterize the lethal effects of RNS on B. burgdorferi. RNS produce a variety of DNA lesions in a broad spectrum of microbial pathogens; however, levels of the DNA deamination product, deoxyinosine, and the numbers of apurinic/apyrimidinic (AP) sites were identical in DNA isolated from untreated and DEA/NO-treated B. burgdorferi cells. Strains with mutations in the nucleotide excision repair (NER) pathway genes uvrC or uvrB treated with DEA/NO had significantly higher spontaneous mutation frequencies, increased numbers of AP sites in DNA and reduced survival compared with wild-type controls. Polyunsaturated fatty acids in B. burgdorferi cell membranes, which are susceptible to peroxidation by reactive oxygen species (ROS), were not sensitive to RNS-mediated lipid peroxidation. However, treatment of B. burgdorferi cells with DEA/NO resulted in nitrosative damage to several proteins, including the zinc-dependent glycolytic enzyme fructose-1,6-bisphosphate aldolase (BB0445), the Borrelia oxidative stress regulator (BosR) and neutrophil-activating protein (NapA). Collectively, these data suggested that nitrosative damage to proteins harbouring free or zinc-bound cysteine thiols, rather than DNA or membrane lipids underlies RNS toxicity in wild-type B. burgdorferi.
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Affiliation(s)
- Travis J Bourret
- Laboratory of Zoonotic Pathogens, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 903 South 4th Street, Hamilton, MT 59840, USA
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Cronauer MV, Ince Y, Engers R, Rinnab L, Weidemann W, Suschek CV, Burchardt M, Kleinert H, Wiedenmann J, Sies H, Ackermann R, Kröncke KD. Nitric oxide-mediated inhibition of androgen receptor activity: possible implications for prostate cancer progression. Oncogene 2006; 26:1875-84. [PMID: 16983333 DOI: 10.1038/sj.onc.1209984] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Chronic inflammation increases the risk of cancer and many cancers, including prostate cancer, arise at sites of chronic inflammation. Inducible nitric oxide synthase (iNOS) is an enzyme dominantly expressed during inflammatory reactions. Although synthesis of high amounts of nitric oxide (NO) by iNOS has been demonstrated in pathophysiological processes, such as acute or chronic inflammation, autoimmune diseases or tumorigenesis, the role of iNOS activity in most of these diseases is poorly understood. Analysing prostate cancer biopsies by immunohistochemistry we found iNOS protein expression in tumor cells strongly paralleled by nitrotyrosine suggesting that iNOS is fully active. In vitro, NO inhibits androgen receptor-dependent promoter activity and prostate specific antigen production as well as DNA-binding activity of the androgen receptor (AR) in a concentration-dependent manner. Inhibition of the activity of androgen receptor-dependent reporter constructs is neither owing to diminished AR protein levels nor owing to an inhibition of its nuclear import. In addition, NO inhibits the proliferation of androgen receptor-positive prostate cancer cells significantly more efficiently than proliferation of androgen receptor-negative prostate cancer cells. In summary, our findings suggest that intratumoral iNOS activity favors development of prostate cancer cells that are able to proliferate androgen receptor-independently, thereby promoting prostate tumor progression.
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Affiliation(s)
- M V Cronauer
- Department of Urology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
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Choi HI, Lee SP, Kim KS, Hwang CY, Lee YR, Chae SK, Kim YS, Chae HZ, Kwon KS. Redox-regulated cochaperone activity of the human DnaJ homolog Hdj2. Free Radic Biol Med 2006; 40:651-9. [PMID: 16458196 DOI: 10.1016/j.freeradbiomed.2005.09.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2004] [Revised: 06/28/2005] [Accepted: 09/16/2005] [Indexed: 10/25/2022]
Abstract
The human DnaJ homolog Hdj2 is a cochaperone containing a cysteine-rich zinc finger domain. We identified a specific interaction of Hdj2 with the cellular redox enzyme thioredoxin using a yeast two-hybrid assay and a coimmunoprecipitation assay, thereby investigating how the redox environment of the cell regulates Hdj2 function. In reconstitution experiments with Hsc70, we found that treatment with H2O2 caused the oxidative inactivation of Hdj2 cochaperone activity. Hdj2 inactivation paralleled the oxidation of cysteine thiols and concomitant release of coordinated zinc, suggesting a role of cysteine residues in the zinc finger domain of Hdj2 as a redox sensor of chaperone-mediated protein-folding machinery. H2O2-induced negative regulation of Hdj2 cochaperone activity was also confirmed in mammalian cells using luciferase as a foreign reporter cotransfected with Hsc70 and Hdj2. The in vivo oxidation of cysteine residues in Hdj2 was detected only in thioredoxin-knockdown cells, implying that thioredoxin is involved in the in vivo reduction. The oxidative inactivation of Hdj2 was reversible. Wild-type thioredoxin notably recovered the oxidatively inactivated Hdj2 activity accompanied by the reincorporation of zinc, whereas the catalytically inactive mutant thioredoxin (Cys32Ser/Cys35Ser) did not. Taken together, we propose that oxidation and reduction reversibly regulate Hdj2 function in response to the redox states of the cell.
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Affiliation(s)
- Hoon-In Choi
- Center for Systems Biology, Korea Research Institute of Bioscience and Biotechnology, Taejon 305-333, Korea
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Sidorkina O, Espey MG, Miranda KM, Wink DA, Laval J. Inhibition of poly(ADP-RIBOSE) polymerase (PARP) by nitric oxide and reactive nitrogen oxide species. Free Radic Biol Med 2003; 35:1431-8. [PMID: 14642390 DOI: 10.1016/j.freeradbiomed.2003.08.015] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The poly(ADP-ribose) polymerase (PARP) family of nuclear enzymes is involved in the detection and signaling of single strand breaks induced either directly by ionizing radiation or indirectly by the sequential action of various DNA repair proteins. Therefore, PARP plays an important role in maintaining genome stability. Because PARP proteins contain two zinc finger motifs, these enzymes can be targets for reactive nitrogen oxide intermediates (RNOS) generated as a result of nitric oxide (NO) biosynthesis in an aerobic environment. The effects of RNOS on the activity of purified PARP were examined using donor compounds. Both NO and nitroxyl (HNO) donors were found to be inhibitory in a similar time and concentration manner, indicating that PARP activity can be modified under both nitrosative and oxidative conditions. Moreover, these RNOS donors elicited comparable PARP inhibition in Sf21 insect cell extract and intact human MCF-7 cancer cells. The concentrations of donor required for 90% inhibition of PARP activity produce RNOS at a similar magnitude to those generated in the cellular microenvironment of activated leukocytes, suggesting that cellular scavenging of RNOS may not be protective against PARP modification and that inhibition of PARP may be significant under inflammatory conditions.
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Affiliation(s)
- Olga Sidorkina
- Groupe "Reparation de l'ADN" UMR 8113, LBPA-ENS Cachan, Intitut Gustave Roussy, Villejuif Cedex, France
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Hardiman KM, McNicholas-Bevensee CM, Fortenberry J, Myles CT, Malik B, Eaton DC, Matalon S. Regulation of amiloride-sensitive Na(+) transport by basal nitric oxide. Am J Respir Cell Mol Biol 2003; 30:720-8. [PMID: 14607816 DOI: 10.1165/rcmb.2003-0325oc] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
We investigated the mechanisms of endogenous nitric oxide (NO) modulation of lung sodium (Na(+)) transport. C57BL/6 mice injected intraperitoneally with the specific inducible NO synthase (iNOS) inhibitor 1400W (10 mg/kg every 8 h for 72 h) exhibited decreased alveolar nitrite levels and Na(+)-dependent amiloride-sensitive alveolar fluid clearance as compared with mice injected with vehicle. Similarly, pretreatment of mouse tracheal epithelial cells with 1400W abolished the inhibitory effects of amiloride on their Na(+) short circuit currents. On the other hand, mouse tracheal epithelial cells pretreated with 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, a specific inhibitor of guanylate cyclase, had lower levels of cGMP, but normal values of amiloride-sensitive Na(+) currents. Amiloride also inhibited whole-cell Na(+) currents across A549 cells treated with vehicle (K(i) = 249 nM), but had no effect in A549 cells treated with 1400W. Western blotting studies showed significantly lower levels of alpha and gammaENaC in lung tissues and alveolar type II (ATII) cells from iNOS(-/-) as well as iNOS(+/+) mice treated with 1400W, as compared with the corresponding values from vehicle-treated iNOS(+/+) mice. Similar values for ratios of alpha, beta, and gammaenac to gapdh were obtained by real-time polymerase chain reaction for iNOS(+/+) mice and iNOS(-/-) mice. We concluded that NO derived from iNOS under basal conditions is necessary for amiloride-sensitive Na(+) transport across lung epithelial cells and modulates the amount of alpha and gammaENaC via post-transcriptional, cGMP-independent mechanisms.
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Affiliation(s)
- Karin M Hardiman
- Department of Physiology, Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama at Birmingham, 901 19th Street S, Birmingham, AL 35205-3703, USA
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Kröncke KD, Klotz LO, Suschek CV, Sies H. Comparing nitrosative versus oxidative stress toward zinc finger-dependent transcription. Unique role for NO. J Biol Chem 2002; 277:13294-301. [PMID: 11796720 DOI: 10.1074/jbc.m111216200] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
During inflammatory reactions, cells are under nitrosative and/or oxidative stress. The zinc finger transcription factors vitamin D receptor (VDR) and retinoid X receptor (RXR) were used as a model system to characterize effects of NO. and/or reactive oxygen species on zinc finger-dependent gene expression. Nitric oxide (NO.) as well as H(2)O(2), singlet oxygen ((1)O(2)), peroxyl radicals (ROO.) and peroxynitrite (ONOO-), respectively, were shown to inhibit VDR/RXR-DNA complex formation in vitro in a dose-dependent manner. While NO-induced inhibition of VDR/RXR-DNA complex formation could be restored nearly completely by subsequent treatment with dithiothreitol, inhibition by H(2)O(2) proved to be only partially reversible, and inhibition by (1)O(2), ROO. or ONOO- was found to be irreversible. In cells transiently transfected with VDR and RXR, subtoxic concentrations of NO. or hydroperoxides and intracellular generation of superoxide anion radicals inhibited VDR/RXR-dependent reporter gene activity in a dose-dependent manner. Interestingly, cells can repair the zinc fingers of VDR and RXR after nitrosative stress but not after oxidative stress. The results indicate that, among the reactive species investigated, only NO. may act sufficiently gentle to be considered as a regulator and not only as an inhibitor of gene expression via zinc finger transcription factors.
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Affiliation(s)
- Klaus-Dietrich Kröncke
- Research Group Immunobiology, Biomedical Research Center, Medical Department of the Heinrich-Heine-University, Moorenstrasse 5, D-40225 Düsseldorf, Germany.
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