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Zhang X, Xing T, Li J, Zhang L, Gao F. Mitochondrial dysfunction and calcium dyshomeostasis in the pectoralis major muscle of broiler chickens with wooden breast myopathy. Poult Sci 2023; 102:102872. [PMID: 37390551 PMCID: PMC10331480 DOI: 10.1016/j.psj.2023.102872] [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: 02/08/2023] [Revised: 06/09/2023] [Accepted: 06/09/2023] [Indexed: 07/02/2023] Open
Abstract
The incidence of wooden breast (WB) meat of commercial broiler chicken has been increasing in recent years. Histological examination found that the occurrence of WB myopathy was accompanied by the pectoralis major (PM) muscle damage. So far, the potential mechanisms are not fully understood. This study aimed to explore the underlying mechanism of the damage of WB-affected PM muscle caused by changes in mitochondrial function, mitochondrial redox status and Ca2+ homeostasis. A total of 80 market-age Arbor Acres male broiler chickens were sampled and categorized into control (CON) and WB groups based on the evaluation of myopathic lesions. PM muscle samples were collected (n = 8 in each group) for histopathological evaluation and biochemical analyses. Ultrastructural examination and histopathological changes suggested the occurrence of PM muscle damage in broiler chickens with WB myopathy. The WB group showed an increased level of reactive oxygen species and enhanced antioxidant capacities in mitochondria of PM muscle. These changes were related to impaired mitochondria morphology and mitochondrial dysfunction. In addition, abnormal expressions of Ca2+ channels led to substantial Ca2+ loss in SR and cytoplasmic Ca2+ overload, as well as Ca2+ accumulation in mitochondria, resulting in Ca2+ dyshomeostasis in PM muscle of broiler chickens with WB myopathy. Combined, these findings indicate that WB myopathy is related to mitochondrial dysfunction, mitochondrial redox status imbalance and Ca2+ dyshomeostasis, leading to WB-affected PM muscle damage.
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Affiliation(s)
- Xinrui Zhang
- College of Animal Science and Technology, Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Tong Xing
- College of Animal Science and Technology, Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Jiaolong Li
- Institute of Agri-Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, PR China
| | - Lin Zhang
- College of Animal Science and Technology, Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Feng Gao
- College of Animal Science and Technology, Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, PR China.
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202
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Manzano-Pech L, Guarner-Lans V, Elena Soto M, Díaz-Díaz E, Pérez-Torres I. Alteration of the aortic vascular reactivity associated to excessive consumption of Hibiscus sabdariffa Linnaeus: Preliminary findings. Heliyon 2023; 9:e20020. [PMID: 37810051 PMCID: PMC10559753 DOI: 10.1016/j.heliyon.2023.e20020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/18/2023] [Accepted: 09/08/2023] [Indexed: 10/10/2023] Open
Abstract
The moderate production of reactive oxidative species (ROS) is important because ROS act as second messengers. However, their depletion through the over-activity of the antioxidant system may lead to reductive stress (RS) which is characterized by an increase in reducing equivalents and an elevation of some components of the antioxidant system disturbing redox homeostasis. Hibiscus sabdariffa Linnaeus (HSL) is a plant with antioxidant properties that provides compounds that favor the antioxidant system. However, excess chronic consumption could lead to the over expression of the antioxidant enzymatic system, and this could contribute to decrease ROS. Therefore, the objective of this study was to evaluate the alteration of the vascular reactivity associated to excessive and chronic consumption of HSL infusions at different percentages. 40 male Wistar rats were divided into 4 groups. Group 1 control (drinking tap water), group 2, 3 and 4, drinking water supplemented with 15, 30 and 60 g/L of HSL calyxes respectively. The systolic blood pressure (SBP), vascular reactivity, morphological changes, and different components of the enzymatic antioxidant system were evaluated in the thoracic aorta by spectrophotometry. We also determined glucose-6-phosphate dehydrogenase (G6PD), glutathione-S-transferase (GST), thioredoxin-reductase (TrxR), glutathione peroxidase (GPx) and glutathione reductase (GR) and some markers of the non-enzimatic system such as the NO3-/NO2-ratio, glutathione (GSH), selenium, thiols, lipoperoxidation (LPO), and 3-nitrityrosine (3-NT). Vasoconstriction was increased and vasorelaxation was decreased. These alterations were reversed by O2- and H2O2. There was an increase in the wall thickness and elastic fibers (p = 0.004 and p = 0.02, respectively) and in G6PD, GPX, TrxR (p = 0.02, p = 0.03, and p = 0.01 respectively). LPO, GSH (p = 0.01), and selenium (p = 0.04) were decreased. There was a decrease in thiols (p < 0.001), 3-NT (p = 0.04) and GST (p = 0.0005) in rats that received the infusion at 3 and 6%. The excess antioxidants provided by the HSL infusions at 3% and 6% modified vascular reactivity, increasing the enzymatic antioxidant system, and depleting ROS.
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Affiliation(s)
- Linaloe Manzano-Pech
- Departments of Cardiovascular Biomedicine, Institute National of Cardiology Ignacio Chávez, Juan Badiano 1, Section XVI, Tlalpan, 14080, México, USA
| | - Verónica Guarner-Lans
- Physiology Institute National of Cardiology Ignacio Chávez, Juan Badiano 1, Section XVI, Tlalpan 14080, México, USA
| | - María Elena Soto
- Immunology, Institute National of Cardiology Ignacio Chávez, Juan Badiano 1, Section XVI, Tlalpan, 14080, México, USA
| | - Eulises Díaz-Díaz
- Department of Reproductive Biology, Institute National of medical Sciences and Nutrition Salvador Zubirán, Vasco de Quiroga 15, Section XVI, Tlalpan, 14000, México, USA
| | - Israel Pérez-Torres
- Departments of Cardiovascular Biomedicine, Institute National of Cardiology Ignacio Chávez, Juan Badiano 1, Section XVI, Tlalpan, 14080, México, USA
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203
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Yokote A, Imazu N, Umeno J, Kawasaki K, Fujioka S, Fuyuno Y, Matsuno Y, Moriyama T, Miyawaki K, Akashi K, Kitazono T, Torisu T. Ferroptosis in the colon epithelial cells as a therapeutic target for ulcerative colitis. J Gastroenterol 2023; 58:868-882. [PMID: 37410250 DOI: 10.1007/s00535-023-02016-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 06/26/2023] [Indexed: 07/07/2023]
Abstract
BACKGROUND Ferroptosis, a type of programmed cell death triggered by oxidative stress, was suspected to play a role in ulcerative colitis. Indigo naturalis is highly effective against ulcerative colitis, but its mechanism is unclear. This study found that indigo naturalis treatment suppressed ferroptosis. METHODS We analyzed 770 mRNA expressions of patients with ulcerative colitis. Suppression of ferroptosis by indigo naturalis treatment was shown using a cell death assay. Malondialdehyde levels and reactive oxygen species were analyzed in CaCo-2 cells treated with indigo naturalis. Glutathione metabolism was shown by metabolomic analysis. Extraction of the ingredients indigo naturalis from the rectal mucosa was performed using liquid chromatograph-mass spectrometry. RESULTS Gene expression profiling showed that indigo naturalis treatment increased antioxidant genes in the mucosa of patients with ulcerative colitis. In vitro analysis showed that nuclear factor erythroid-2-related factor 2-related antioxidant gene expression was upregulated by indigo naturalis. Indigo naturalis treatment rendered cells resistant to ferroptosis. Metabolomic analysis suggested that an increase in reduced glutathione by indigo naturalis. The protein expression of CYP1A1 and GPX4 was increased in the rectum by treatment with indigo naturalis. The main ingredients of indigo naturalis, indirubin and indigo inhibited ferroptosis. Indirubin was detected in the rectal mucosa of patients with ulcerative colitis who were treated with indigo naturalis. CONCLUSIONS Suppression of ferroptosis by indigo naturalis in the intestinal epithelium could be therapeutic target for ulcerative colitis. The main active ingredient of indigo naturalis may be indirubin.
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Affiliation(s)
- Akihito Yokote
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Noriyuki Imazu
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Junji Umeno
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Keisuke Kawasaki
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Shin Fujioka
- Department of Endoscopic Diagnostics and Therapeutics, Kyushu University Hospital, Fukuoka, 812-8582, Japan
| | - Yuta Fuyuno
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yuichi Matsuno
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Tomohiko Moriyama
- International Medical Department, Kyushu University Hospital, Fukuoka, 812-8582, Japan
| | - Kohta Miyawaki
- Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Koichi Akashi
- Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Takanari Kitazono
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Takehiro Torisu
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan.
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204
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Hoque E, Tran P, Jacobo U, Bergfeld N, Acharya S, Shamshina JL, Reid TW, Abidi N. Antimicrobial Coatings for Medical Textiles via Reactive Organo-Selenium Compounds. Molecules 2023; 28:6381. [PMID: 37687210 PMCID: PMC10490204 DOI: 10.3390/molecules28176381] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/24/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Bleached and cationized cotton fabrics were chemically modified with reactive organoselenium compounds through the nucleophilic aromatic substitution (SNAr) reaction, which allowed for organo-selenium attachment onto the surface of cotton fabrics via covalent bonds and, in the case of the cationized cotton fabric, additional ionic interactions. The resulting textiles exhibited potent bactericidal activity against S. aureus (99.99% reduction), although only moderate activity was observed against E. coli. Fabrics treated with reactive organo-selenium compounds also exhibited fungicidal activities against C. albicans, and much higher antifungal activity was observed when organo-selenium compounds were applied to the cationized cotton in comparison to the bleached cotton. The treatment was found to be durable against rigorous washing conditions (non-ionic detergent/100 °C). This paper is the first report on a novel approach integrating the reaction of cotton fabrics with an organo-selenium antimicrobial agent. This approach is attractive because it provides a method for imparting antimicrobial properties to cotton fabrics which does not disrupt the traditional production processes of a textile mill.
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Affiliation(s)
- Ejajul Hoque
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA
| | - Phat Tran
- Department of Microbiology and Immunology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Unique Jacobo
- Department of Microbiology and Immunology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | | | - Sanjit Acharya
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA
| | - Julia L. Shamshina
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA
| | - Ted W. Reid
- Ophthalmology and Visual Sciences, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Noureddine Abidi
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA
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205
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Tran TV, Hoang T, Jang SH, Lee C. Unraveling the roles of aromatic cluster side-chain interactions on the structural stability and functional significance of psychrophilic Sphingomonas sp. glutaredoxin 3. PLoS One 2023; 18:e0290686. [PMID: 37651358 PMCID: PMC10470887 DOI: 10.1371/journal.pone.0290686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 08/14/2023] [Indexed: 09/02/2023] Open
Abstract
This study investigates the impact of aromatic cluster side-chain interactions in Grx3 (SpGrx3) from the psychrophilic Arctic bacterium Sphingomonas sp. Grx3 is a class I oxidoreductase with a unique parallel arrangement of aromatic residues in its aromatic cluster, unlike the tetrahedral geometry observed in Trxs. Hydrophilic-to-hydrophobic substitutions were made in the aromatic cluster, in β1 (E5V and Y7F), adjacent β2 (Y32F and Y32L), both β1 and β2 (E5V/Y32L), and short α2 (R47F). The hydrophobic substitutions, particularly those at or near Tyr7 (E5V, Y7F, Y32F, and R47F), increased melting temperatures and conformational stability, whereas disrupting β1-β2 interactions (Y32L and E5V/Y32L) led to structural instability of SpGrx3. However, excessive hydrophobic interactions (Y7F and E5V/Y32L) caused protein aggregation at elevated temperatures. All mutations resulted in a reduction in α-helical content and an increase in β-strand content. The R47F mutant, which formed dimers and exhibited the highest β-strand content, showed increased conformational flexibility and a significant decrease in catalytic rate due to the disturbance of β1-α2 interactions. In summary, the configuration of the aromatic cluster, especially Tyr7 in the buried β1 and Arg47 in the short α2, played crucial roles in maintaining the active conformation of SpGrx3 and preventing its protein aggregation. These modifications, reducing hydrophobicity in the central β-sheet, distinguish Grx3 from other Trx-fold proteins, highlighting evolutionary divergence within the Trx-fold superfamily and its functional versatility.
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Affiliation(s)
- Trang Van Tran
- Department of Biomedical Science and Center for Bio-Nanomaterials, Daegu University, Gyeongsan, South Korea
| | - Trang Hoang
- Department of Biomedical Science and Center for Bio-Nanomaterials, Daegu University, Gyeongsan, South Korea
| | - Sei-Heon Jang
- Department of Biomedical Science and Center for Bio-Nanomaterials, Daegu University, Gyeongsan, South Korea
| | - ChangWoo Lee
- Department of Biomedical Science and Center for Bio-Nanomaterials, Daegu University, Gyeongsan, South Korea
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206
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Stark GF, Martin RM, Smith LE, Wei B, Hellweger FL, Bullerjahn GS, McKay RML, Boyer GL, Wilhelm SW. Cool temperature acclimation in toxigenic Microcystis aeruginosa PCC 7806 and its non-toxigenic mutant. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.28.555099. [PMID: 37693631 PMCID: PMC10491114 DOI: 10.1101/2023.08.28.555099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
For Microcystis aeruginosa PCC 7806, temperature decreases from 26° C to 19° C double the microcystin quota per cell during growth in continuous culture. Here we tested whether this increase in microcystin provided M. aeruginosa PCC 7806 with a fitness advantage during colder-temperature growth by comparing cell concentration, cellular physiology, and the transcriptomics-inferred metabolism to a non-toxigenic mutant strain M. aeruginosa PCC 7806 ΔmcyB. Photo-physiological data combined with transcriptomic data revealed metabolic changes in the mutant strain during growth at 19° C, which included increased electron sinks and non-photochemical quenching. Increased gene expression was observed for a glutathione-dependent peroxiredoxin during cold treatment, suggesting compensatory mechanisms to defend against reactive oxygen species are employed in the absence of microcystin in the mutant. Our observations highlight the potential selective advantages of a longer-term defensive strategy in management of oxidative stress (i.e., making microcystin) vs the shorter-term proactive strategy of producing cellular components to actively dissipate or degrade oxidative stress agents.
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Affiliation(s)
- Gwendolyn F Stark
- Department of Microbiology, The University of Tennessee, Knoxville, TN, USA
| | - Robbie M Martin
- Department of Microbiology, The University of Tennessee, Knoxville, TN, USA
| | - Laura E Smith
- Department of Microbiology, The University of Tennessee, Knoxville, TN, USA
| | - Bofan Wei
- Department of Chemistry, State University of New York College of Environmental Science and Forestry, Syracuse, NY, USA
| | - Ferdi L Hellweger
- Water Quality Engineering, Technical University of Berlin, Berlin, Germany
| | - George S Bullerjahn
- Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, USA
| | - R Michael L McKay
- Great Lakes Institute for Environmental Research, The University of Windsor, Windsor, ON, Canada
| | - Gregory L Boyer
- Department of Chemistry, State University of New York College of Environmental Science and Forestry, Syracuse, NY, USA
| | - Steven W Wilhelm
- Department of Microbiology, The University of Tennessee, Knoxville, TN, USA
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207
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Naamala J, Subramanian S, Msimbira LA, Smith DL. Effect of NaCl stress on exoproteome profiles of Bacillus amyloliquefaciens EB2003A and Lactobacillus helveticus EL2006H. Front Microbiol 2023; 14:1206152. [PMID: 37700863 PMCID: PMC10493332 DOI: 10.3389/fmicb.2023.1206152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/31/2023] [Indexed: 09/14/2023] Open
Abstract
Salt stress can affect survival, multiplication and ability of plant growth promoting microorganisms to enhance plant growth. Changes in a microbe's proteome profile is one of the mechanisms employed by PGPM to enhance tolerance of salt stress. This study was focused on understanding changes in the exoproteome profile of Bacillus amyloliquefaciens EB2003A and Lactobacillus helveticus EL2006H when exposed to salt stress. The strains were cultured in 100 mL M13 (B. amyloliquefaciens) and 100 mL De man, Rogosa and Sharpe (MRS) (L. helveticus) media, supplemented with 200 and 0 mM NaCl (control), at pH 7.0. The strains were then incubated for 48 h (late exponential growth phase), at 120 rpm and 30 (B. amyloliquefaciens) and 37 (L. helveticus) °C. The microbial cultures were then centrifuged and filtered sterilized, to obtain cell free supernatants whose proteome profiles were studied using LC-MS/MS analysis and quantified using scaffold. Results of the study revealed that treatment with 200 mM NaCl negatively affected the quantity of identified proteins in comparison to the control, for both strains. There was upregulation and downregulation of some proteins, even up to 100%, which resulted in identification of proteins significantly unique between the control or 200 mM NaCl (p ≤ 0.05), for both microbial species. Proteins unique to 200 mM NaCl were mostly those involved in cell wall metabolism, substrate transport, oxidative stress tolerance, gene expression and DNA replication and repair. Some of the identified unique proteins have also been reported to enhance plant growth. In conclusion, based on the results of the work described here, PGPM alter their exoproteome profile when exposed to salt stress, potentially upregulating proteins that enhance their tolerance to this stress.
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Affiliation(s)
| | | | | | - Donald L. Smith
- Department of Plant Science, McGill University, Montreal, QC, Canada
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208
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Hong W, Liu Y, Liang J, Jiang C, Yu M, Sun W, Huang B, Dong N, Kang L, Tang Y. Molecular Mechanisms of Selenium Mitigating Lead Toxicity in Chickens via Mitochondrial Pathway: Selenoproteins, Oxidative Stress, HSPs, and Apoptosis. TOXICS 2023; 11:734. [PMID: 37755744 PMCID: PMC10536545 DOI: 10.3390/toxics11090734] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/19/2023] [Accepted: 08/24/2023] [Indexed: 09/28/2023]
Abstract
Lead (Pb), a hazardous heavy metal, can damage the health of organisms. However, it is not clear whether Pb can damage chicken cerebellums and thalami. Selenium (Se), an essential nutrient for organisms, has a palliative effect on Pb poisoning in chickens. In our experiment, a model of chickens treated with Pb and Se alone and in combination was established to investigate the molecular mechanism of Se alleviating Pb-caused damage in both chicken cerebellums and thalami. Our morphological results indicated that Pb caused apoptotic lesions, such as mitochondrial and nuclear damage. Further, the anti-apoptotic gene Bcl-2 decreased; on the contrary, four pro-apoptotic genes (p53, Bax, Cyt c, and Caspase-3) increased under Pb treatment, meaning that Pb caused apoptosis via the p53-Cyt c-Caspase-3 pathway. Furthermore, we further demonstrated that Pb elevated four HSPs (HSP27, HSP40, HSP70, and HSP90), as well as HSP70 took part in the molecular mechanism of Pb-caused apoptosis. In addition, we found that Pb exposure led to oxidative stress via up-regulating the oxidant H2O2 and down-regulating four antioxidants (CAT, SOD, GST, and GPx). Moreover, Pb decreased three Se-containing factors (Txnrd1, Txnrd2, and Txnrd3), further confirming that Pb caused oxidative stress. Interestingly, Se supplementation reversed the above changes caused by Pb and alleviated Pb-induced oxidative stress and apoptosis. A time dependency was demonstrated for Bcl-2, Bax, and Cyt c in the cerebellums, as well as CAT, GPx, and p53 in the thalami of Pb-exposed chickens. HSP70 in cerebellums and HSP27 in thalami were more sensitive than those in thalami and cerebellums, respectively, under Pb exposure. Pb-induced apoptosis of thalami was more severe than cerebellums. In conclusion, after Pb treatment, Txnrds mediated oxidative stress, oxidative stress up-regulated HSPs, and finally, HSP70 triggered apoptosis. Se supplementation antagonized Pb-induced oxidative stress and apoptosis via the mitochondrial pathway and selenoproteins in chicken cerebellums and thalami. This study provides new information for the mechanism of environmental pollutant poisoning and the detoxification of Se on abiotic stress.
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Affiliation(s)
- Weichen Hong
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yuhao Liu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jiatian Liang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Chunyu Jiang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Meijin Yu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Wei Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Bin Huang
- Electrical and Information Engineering College, Jilin Agricultural Science and Technology University, Jilin City 132101, China
| | - Na Dong
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Lu Kang
- Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
| | - You Tang
- Electrical and Information Engineering College, Jilin Agricultural Science and Technology University, Jilin City 132101, China
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209
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Guo W, Xing Y, Luo X, Li F, Ren M, Liang Y. Reactive Oxygen Species: A Crosslink between Plant and Human Eukaryotic Cell Systems. Int J Mol Sci 2023; 24:13052. [PMID: 37685857 PMCID: PMC10487619 DOI: 10.3390/ijms241713052] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/18/2023] [Accepted: 08/19/2023] [Indexed: 09/10/2023] Open
Abstract
Reactive oxygen species (ROS) are important regulating factors that play a dual role in plant and human cells. As the first messenger response in organisms, ROS coordinate signals in growth, development, and metabolic activity pathways. They also can act as an alarm mechanism, triggering cellular responses to harmful stimuli. However, excess ROS cause oxidative stress-related damage and oxidize organic substances, leading to cellular malfunctions. This review summarizes the current research status and mechanisms of ROS in plant and human eukaryotic cells, highlighting the differences and similarities between the two and elucidating their interactions with other reactive substances and ROS. Based on the similar regulatory and metabolic ROS pathways in the two kingdoms, this review proposes future developments that can provide opportunities to develop novel strategies for treating human diseases or creating greater agricultural value.
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Affiliation(s)
- Wei Guo
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (W.G.); (Y.X.); (F.L.)
- National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Yadi Xing
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (W.G.); (Y.X.); (F.L.)
- National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Xiumei Luo
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610000, China;
| | - Fuguang Li
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (W.G.); (Y.X.); (F.L.)
- National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
- Hainan Yazhou Bay Seed Laboratory, Sanya 572000, China
| | - Maozhi Ren
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (W.G.); (Y.X.); (F.L.)
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610000, China;
- Hainan Yazhou Bay Seed Laboratory, Sanya 572000, China
| | - Yiming Liang
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (W.G.); (Y.X.); (F.L.)
- National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
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210
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Orrico F, Laurance S, Lopez AC, Lefevre SD, Thomson L, Möller MN, Ostuni MA. Oxidative Stress in Healthy and Pathological Red Blood Cells. Biomolecules 2023; 13:1262. [PMID: 37627327 PMCID: PMC10452114 DOI: 10.3390/biom13081262] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/11/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Red cell diseases encompass a group of inherited or acquired erythrocyte disorders that affect the structure, function, or production of red blood cells (RBCs). These disorders can lead to various clinical manifestations, including anemia, hemolysis, inflammation, and impaired oxygen-carrying capacity. Oxidative stress, characterized by an imbalance between the production of reactive oxygen species (ROS) and the antioxidant defense mechanisms, plays a significant role in the pathophysiology of red cell diseases. In this review, we discuss the most relevant oxidant species involved in RBC damage, the enzymatic and low molecular weight antioxidant systems that protect RBCs against oxidative injury, and finally, the role of oxidative stress in different red cell diseases, including sickle cell disease, glucose 6-phosphate dehydrogenase deficiency, and pyruvate kinase deficiency, highlighting the underlying mechanisms leading to pathological RBC phenotypes.
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Affiliation(s)
- Florencia Orrico
- Laboratorio de Fisicoquímica Biológica, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay; (F.O.); (A.C.L.); (M.N.M.)
- Laboratorio de Enzimología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay;
- Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo 11800, Uruguay
| | - Sandrine Laurance
- Université Paris Cité and Université des Antilles, UMR_S1134, BIGR, Inserm, F-75014 Paris, France; (S.L.); (S.D.L.)
| | - Ana C. Lopez
- Laboratorio de Fisicoquímica Biológica, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay; (F.O.); (A.C.L.); (M.N.M.)
- Laboratorio de Enzimología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay;
- Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo 11800, Uruguay
| | - Sophie D. Lefevre
- Université Paris Cité and Université des Antilles, UMR_S1134, BIGR, Inserm, F-75014 Paris, France; (S.L.); (S.D.L.)
| | - Leonor Thomson
- Laboratorio de Enzimología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay;
- Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo 11800, Uruguay
| | - Matias N. Möller
- Laboratorio de Fisicoquímica Biológica, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay; (F.O.); (A.C.L.); (M.N.M.)
- Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo 11800, Uruguay
| | - Mariano A. Ostuni
- Université Paris Cité and Université des Antilles, UMR_S1134, BIGR, Inserm, F-75014 Paris, France; (S.L.); (S.D.L.)
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211
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Blagov AV, Orekhova VA, Sukhorukov VN, Melnichenko AA, Orekhov AN. Potential Use of Antioxidant Compounds for the Treatment of Inflammatory Bowel Disease. Pharmaceuticals (Basel) 2023; 16:1150. [PMID: 37631065 PMCID: PMC10458684 DOI: 10.3390/ph16081150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/29/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Since inflammatory bowel diseases (IBDs) are chronic, the development of new effective therapeutics to combat them does not lose relevance. Oxidative stress is one of the main pathological processes that determines the progression of IBD. In this regard, antioxidant therapy seems to be a promising approach. The role of oxidative stress in the development and progression of IBD is considered in detail in this review. The main cause of oxidative stress in IBD is an inadequate response of leukocytes to dysbiosis and food components in the intestine. Passage of immune cells through the intestinal barrier leads to increased ROS concentration and the pathological consequences of exposure to oxidative stress based on the development of inflammation and impaired intestinal permeability. To combat oxidative stress in IBD, several promising natural (curcumin, resveratrol, quercetin, and melatonin) and artificial antioxidants (N-acetylcysteine (NAC) and artificial superoxide dismutase (aSOD)) that had been shown to be effective in a number of clinical trials have been proposed. Their mechanisms of action on pathological events in IBD and clinical manifestations from their impact have been determined. The prospects for the use of other antioxidants that have not yet been tested in the treatment of IBD, but have the properties of potential therapeutic candidates, have been also considered.
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Affiliation(s)
- Alexander V. Blagov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
| | - Varvara A. Orekhova
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
| | - Vasily N. Sukhorukov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
| | - Alexandra A. Melnichenko
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
| | - Alexander N. Orekhov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
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212
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Song Z, Fan C, Zhao J, Wang L, Duan D, Shen T, Li X. Fluorescent Probes for Mammalian Thioredoxin Reductase: Mechanistic Analysis, Construction Strategies, and Future Perspectives. BIOSENSORS 2023; 13:811. [PMID: 37622897 PMCID: PMC10452626 DOI: 10.3390/bios13080811] [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: 06/30/2023] [Revised: 08/06/2023] [Accepted: 08/07/2023] [Indexed: 08/26/2023]
Abstract
The modulation of numerous signaling pathways is orchestrated by redox regulation of cellular environments. Maintaining dynamic redox homeostasis is of utmost importance for human health, given the common occurrence of altered redox status in various pathological conditions. The cardinal component of the thioredoxin system, mammalian thioredoxin reductase (TrxR) plays a vital role in supporting various physiological functions; however, its malfunction, disrupting redox balance, is intimately associated with the pathogenesis of multiple diseases. Accordingly, the dynamic monitoring of TrxR of live organisms represents a powerful direction to facilitate the comprehensive understanding and exploration of the profound significance of redox biology in cellular processes. A number of classic assays have been developed for the determination of TrxR activity in biological samples, yet their application is constrained when exploring the real-time dynamics of TrxR activity in live organisms. Fluorescent probes offer several advantages for in situ imaging and the quantification of biological targets, such as non-destructiveness, real-time analysis, and high spatiotemporal resolution. These benefits facilitate the transition from a poise to a flux understanding of cellular targets, further advancing scientific studies in related fields. This review aims to introduce the progress in the development and application of TrxR fluorescent probes in the past years, and it mainly focuses on analyzing their reaction mechanisms, construction strategies, and potential drawbacks. Finally, this study discusses the critical challenges and issues encountered during the development of selective TrxR probes and proposes future directions for their advancement. We anticipate the comprehensive analysis of the present TrxR probes will offer some glitters of enlightenment, and we also expect that this review may shed light on the design and development of novel TrxR probes.
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Affiliation(s)
- Zilong Song
- Natural Medicine Research & Development Center, Lanzhou Jiaotong University, Lanzhou 730070, China; (Z.S.); (C.F.); (L.W.)
| | - Chengwu Fan
- Natural Medicine Research & Development Center, Lanzhou Jiaotong University, Lanzhou 730070, China; (Z.S.); (C.F.); (L.W.)
| | - Jintao Zhao
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, China; (J.Z.); (X.L.)
| | - Lei Wang
- Natural Medicine Research & Development Center, Lanzhou Jiaotong University, Lanzhou 730070, China; (Z.S.); (C.F.); (L.W.)
| | - Dongzhu Duan
- Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China;
| | - Tong Shen
- Natural Medicine Research & Development Center, Lanzhou Jiaotong University, Lanzhou 730070, China; (Z.S.); (C.F.); (L.W.)
| | - Xinming Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, China; (J.Z.); (X.L.)
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213
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Sadowska-Bartosz I, Bartosz G. Antioxidant defense of Deinococcus radiodurans: how does it contribute to extreme radiation resistance? Int J Radiat Biol 2023; 99:1803-1829. [PMID: 37498212 DOI: 10.1080/09553002.2023.2241895] [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: 01/09/2023] [Revised: 06/28/2023] [Accepted: 07/08/2023] [Indexed: 07/28/2023]
Abstract
PURPOSE Deinococcus radiodurans is an extremely radioresistant bacterium characterized by D10 of 10 kGy, and able to grow luxuriantly under chronic ionizing radiation of 60 Gy/h. The aim of this article is to review the antioxidant system of D. radiodurans and its possible role in the unusual resistance of this bacterium to ionizing radiation. CONCLUSIONS The unusual radiation resistance of D. radiodurans has apparently evolved as a side effect of the adaptation of this extremophile to other damaging environmental factors, especially desiccation. The antioxidant proteins and low-molecular antioxidants (especially low-molecular weight Mn2+ complexes and carotenoids, in particular, deinoxanthin), as well as protein and non-protein regulators, are important for the antioxidant defense of this species. Antioxidant protection of proteins from radiation inactivation enables the repair of DNA damage caused by ionizing radiation.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Rzeszow, Poland
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214
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Li J, Huang C, Lai L, Wang L, Li M, Tan Y, Zhang T. Selenium hyperaccumulator plant Cardamine enshiensis: from discovery to application. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:5515-5529. [PMID: 37355493 DOI: 10.1007/s10653-023-01595-8] [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: 01/10/2023] [Accepted: 04/25/2023] [Indexed: 06/26/2023]
Abstract
Selenium (Se) is an essential trace element for animals and humans. Se biofortification and Se functional agriculture are emerging strategies to satisfy the needs of people who are deficient in Se. With 200 km2 of Se-excess area, Enshi is known as the "world capital of Se." Cardamine enshiensis (C. enshiensis) is a Se hyperaccumulation plant discovered in the Se mine drainage area of Enshi. It is edible and has been approved by National Health Commission of the People's Republic of China as a new source of food, and the annual output value of the Se-rich industry in Enshi City exceeds 60 billion RMB. This review will mainly focus on the discovery and mechanism underlying Se tolerance and Se hyperaccumulation in C. enshiensis and highlight its potential utilization in Se biofortification agriculture, graziery, and human health.
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Affiliation(s)
- Jiao Li
- Cancer Center, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Chuying Huang
- Cancer Center, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Hubei Selenium and Human Health Institute, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, China.
| | - Lin Lai
- Hubei Selenium and Human Health Institute, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, China
| | - Li Wang
- Hubei Selenium and Human Health Institute, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, China
| | - Minglong Li
- Second Geological Brigade of Hubei Geological Bureau, Enshi, 445000, Hubei, China
| | - Yong Tan
- Hubei Selenium and Human Health Institute, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, China
| | - Tao Zhang
- Cancer Center, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, 430022, China.
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215
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Charoensin S, Dansakda S. Modulatory Effect of Rosmarinic Acid on H 2O 2-Induced Adaptive Glycolytic Response in Dermal Fibroblasts. Molecules 2023; 28:5599. [PMID: 37513476 PMCID: PMC10384106 DOI: 10.3390/molecules28145599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/16/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Oxidative stress induces the adaptive response and alteration of energy metabolism across human cell types. Dermal fibroblasts shift their energy system to overload anaerobic glycolysis when exposed to sub-lethal hydrogen peroxide (H2O2). However, oxidative stress levels in the cells can be depleted by antioxidants, and such cellular changes can therefore be modulated. The present study aimed to investigate the modulatory effect of rosmarinic acid (a polyphenol antioxidant) against H2O2-induced reactive oxygen species (ROS) and the glycolytic adaptive response in fibroblasts. The results showed that H2O2 caused a significant ROS increase in the cells, and pre-treatment with rosmarinic acid (5-50 µM) decreased ROS significantly in the presence of glutathione. Rosmarinic acid modulated the adaptive response in H2O2-treated cells by decreasing glucose consumption and lactate production. The rosmarinic acid also recovered intracellular ATP and decreased NADPH production via the pentose phosphate pathway. Several glycolytic enzymes, including hexokinase-2 (HK-2), phosphofructokinase-2 (PFK-2), and lactate dehydrogenase A (LDHA), were downregulated in cells treated with rosmarinic acid. Furthermore, the key antioxidant enzymes: glutathione-disulfide reductase (GSR), glutathione peroxidase-1 (GPx-1), and peroxiredoxin-1 (Prx-1) and redox protein thioredoxin-1 (Trx-1) were upregulated in treated cells compared to control cells. To sum up, the rosmarinic acid could be used as an antioxidant against H2O2-induced adaptive responses in fibroblasts by modulating glucose metabolism, glycolytic genes, and GSH production. The present work indicates that rosmarinic acid holds promise in cell-based research applications for combating ROS and enhancing dermal fibroblast health.
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Affiliation(s)
- Suphachai Charoensin
- Division of Nutrition, School of Medical Sciences, University of Phayao, Phayao 56000, Thailand
| | - Suwatsak Dansakda
- Division of Nutrition, School of Medical Sciences, University of Phayao, Phayao 56000, Thailand
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216
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Buonfiglio F, Böhm EW, Pfeiffer N, Gericke A. Oxidative Stress: A Suitable Therapeutic Target for Optic Nerve Diseases? Antioxidants (Basel) 2023; 12:1465. [PMID: 37508003 PMCID: PMC10376185 DOI: 10.3390/antiox12071465] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Optic nerve disorders encompass a wide spectrum of conditions characterized by the loss of retinal ganglion cells (RGCs) and subsequent degeneration of the optic nerve. The etiology of these disorders can vary significantly, but emerging research highlights the crucial role of oxidative stress, an imbalance in the redox status characterized by an excess of reactive oxygen species (ROS), in driving cell death through apoptosis, autophagy, and inflammation. This review provides an overview of ROS-related processes underlying four extensively studied optic nerve diseases: glaucoma, Leber's hereditary optic neuropathy (LHON), anterior ischemic optic neuropathy (AION), and optic neuritis (ON). Furthermore, we present preclinical findings on antioxidants, with the objective of evaluating the potential therapeutic benefits of targeting oxidative stress in the treatment of optic neuropathies.
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Affiliation(s)
- Francesco Buonfiglio
- Department of Ophthalmology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (E.W.B.); (N.P.)
| | | | | | - Adrian Gericke
- Department of Ophthalmology, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (E.W.B.); (N.P.)
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217
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Shen P, Serve S, Wu P, Liu X, Dai Y, Durán-Hernández N, Nguyen DTM, Fuchs M, Maleitzke T, Reisener MJ, Dzamukova M, Nussbaumer K, Brunner TM, Li Y, Holecska V, Heinz GA, Heinrich F, Durek P, Katsoula G, Gwinner C, Jung T, Zeggini E, Winkler T, Mashreghi MF, Pumberger M, Perka C, Löhning M. NOS inhibition reverses TLR2-induced chondrocyte dysfunction and attenuates age-related osteoarthritis. Proc Natl Acad Sci U S A 2023; 120:e2207993120. [PMID: 37428931 PMCID: PMC10629581 DOI: 10.1073/pnas.2207993120] [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: 05/10/2022] [Accepted: 04/20/2023] [Indexed: 07/12/2023] Open
Abstract
Osteoarthritis (OA) is a joint disease featuring cartilage breakdown and chronic pain. Although age and joint trauma are prominently associated with OA occurrence, the trigger and signaling pathways propagating their pathogenic aspects are ill defined. Following long-term catabolic activity and traumatic cartilage breakdown, debris accumulates and can trigger Toll-like receptors (TLRs). Here we show that TLR2 stimulation suppressed the expression of matrix proteins and induced an inflammatory phenotype in human chondrocytes. Further, TLR2 stimulation impaired chondrocyte mitochondrial function, resulting in severely reduced adenosine triphosphate (ATP) production. RNA-sequencing analysis revealed that TLR2 stimulation upregulated nitric oxide synthase 2 (NOS2) expression and downregulated mitochondria function-associated genes. NOS inhibition partially restored the expression of these genes, and rescued mitochondrial function and ATP production. Correspondingly, Nos2-/- mice were protected from age-related OA development. Taken together, the TLR2-NOS axis promotes human chondrocyte dysfunction and murine OA development, and targeted interventions may provide therapeutic and preventive approaches in OA.
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Affiliation(s)
- Ping Shen
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
- Stem Cell and Biotherapy Engineering Research Center of Henan Province, College of Life Sciences and Technology, Xinxiang Medical University, 453003Xinxiang, China
| | - Sebastian Serve
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Peihua Wu
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Xiaohui Liu
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Yujie Dai
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Nayar Durán-Hernández
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Dan Thi Mai Nguyen
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Michael Fuchs
- Department of Orthopaedic Surgery, University of Ulm, 89081Ulm, Germany
| | - Tazio Maleitzke
- Center for Musculoskeletal Surgery, Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
- Julius Wolff Institute, Berlin Institute of Health at Charité–Universitätsmedizin Berlin, 13353Berlin, Germany
- Berlin Institute of Health Charité Clinician Scientist Program, BIH Biomedical Innovation Academy, Berlin Institute of Health at Charité–Universitätsmedizin, 10178Berlin, Germany
| | - Marie-Jacqueline Reisener
- Center for Musculoskeletal Surgery, Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Maria Dzamukova
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Katrin Nussbaumer
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
| | - Tobias M. Brunner
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Yonghai Li
- Stem Cell and Biotherapy Engineering Research Center of Henan Province, College of Life Sciences and Technology, Xinxiang Medical University, 453003Xinxiang, China
| | - Vivien Holecska
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Gitta A. Heinz
- Systems Rheumatology and Therapeutic Gene Regulation, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
| | - Frederik Heinrich
- Systems Rheumatology and Therapeutic Gene Regulation, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
| | - Pawel Durek
- Systems Rheumatology and Therapeutic Gene Regulation, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
| | - Georgia Katsoula
- Technical University of Munich School of Medicine, Technical University of Munich, Graduate School of Experimental Medicine, 81675Munich, Germany
- Institute of Translational Genomics, Helmholtz Zentrum München – German Research Center for Environmental Health, 85764Neuherberg, Germany
| | - Clemens Gwinner
- Center for Musculoskeletal Surgery, Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Tobias Jung
- Center for Musculoskeletal Surgery, Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Eleftheria Zeggini
- Institute of Translational Genomics, Helmholtz Zentrum München – German Research Center for Environmental Health, 85764Neuherberg, Germany
- Technical University of Munich School of Medicine, Technical University of Munich and Klinikum Rechts der Isar, 81675Munich, Germany
| | - Tobias Winkler
- Center for Musculoskeletal Surgery, Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
- Julius Wolff Institute, Berlin Institute of Health at Charité–Universitätsmedizin Berlin, 13353Berlin, Germany
- Berlin Institute of Health Center for Regenerative Therapies, Berlin Institute of Health at Charité ‒ Universitätsmedizin Berlin, 13353Berlin, Germany
| | - Mir-Farzin Mashreghi
- Systems Rheumatology and Therapeutic Gene Regulation, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
| | - Matthias Pumberger
- Center for Musculoskeletal Surgery, Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Carsten Perka
- Center for Musculoskeletal Surgery, Charité–Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
| | - Max Löhning
- Pitzer Laboratory of Osteoarthritis Research, German Rheumatism Research Center, a Leibniz Institute, 10117Berlin, Germany
- Experimental Immunology and Osteoarthritis Research, Department of Rheumatology and Clinical Immunology, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117Berlin, Germany
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218
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Levaro-Loquio D, Serrano-Luna J, Velásquez-Torres M, Higuera-Martínez G, Arciniega-Martínez IM, Reséndiz-Albor AA, Pérez-Vielma NM, Pacheco-Yépez J. In Vitro Evaluation of the Antiamoebic Activity of Kaempferol against Trophozoites of Entamoeba histolytica and in the Interactions of Amoebae with Hamster Neutrophils. Int J Mol Sci 2023; 24:11216. [PMID: 37446394 DOI: 10.3390/ijms241311216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/15/2023] Open
Abstract
Entamoeba histolytica (E. histolytica) is a parasite in humans that provokes amoebiasis. The most employed drug is metronidazole (MTZ); however, some studies have reported that this drug induces genotoxic effects. Therefore, it is necessary to explore new compounds without toxicity that can eliminate E. histolytica. Flavonoids are polyphenolic compounds that have demonstrated inhibition of growth and dysregulation of amoebic proteins. Despite the knowledge acquired to date, action mechanisms are not completely understood. The present work evaluates the effect of kaempferol against E. histolytica trophozoites and in the interactions with neutrophils from hamster, which is a susceptibility model. Our study demonstrated a significant reduction in the amoebic viability of trophozoites incubated with kaempferol at 150 μM for 90 min. The gene expression analysis showed a significant downregulation of Pr (peroxiredoxin), Rr (rubrerythrin), and TrxR (thioredoxin reductase). In interactions with amoebae and neutrophils for short times, we observed a reduction in ROS (reactive oxygen species), NO (nitric oxide), and MPO (myeloperoxidase) neutrophil activities. In conclusion, we confirmed that kaempferol is an effective drug against E. histolytica through the decrease in E. histolytica antioxidant enzyme expression and a regulator of several neutrophil mechanisms, such as MPO activity and the regulation of ROS and NO.
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Affiliation(s)
- David Levaro-Loquio
- Sección de Estudios de Postgrado, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
| | - Jesús Serrano-Luna
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Av. IPN No. 2508 Col. San Pedro Zacatenco, Ciudad de México 07360, Mexico
| | - Maritza Velásquez-Torres
- Sección de Estudios de Postgrado, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
| | - Germán Higuera-Martínez
- Sección de Estudios de Postgrado, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
| | | | - Aldo Arturo Reséndiz-Albor
- Sección de Estudios de Postgrado, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
| | - Nadia Mabel Pérez-Vielma
- Centro Interdisciplinario de Ciencias de la Salud, CICS, San Tomás, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
| | - Judith Pacheco-Yépez
- Sección de Estudios de Postgrado, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
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219
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Eligini S, Munno M, Atlas D, Banfi C. N-acetylcysteine Amide AD4/NACA and Thioredoxin Mimetic Peptides Inhibit Platelet Aggregation and Protect against Oxidative Stress. Antioxidants (Basel) 2023; 12:1395. [PMID: 37507934 PMCID: PMC10376080 DOI: 10.3390/antiox12071395] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 06/28/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023] Open
Abstract
In the present study, we tested the effect of small-molecular-weight redox molecules on collagen-induced platelet aggregation. We used N-acetylcysteine amide (AD4/NACA), the amide form of N-acetylcysteine (NAC), a thiol antioxidant with improved lipophilicity and bioavailability compared to NAC, and the thioredoxin-mimetic (TXM) peptides, TXM-CB3, TXM-CB13, and TXM-CB30. All compounds significantly inhibited platelet aggregation induced by collagen, with TXM-peptides and AD4 being more effective than NAC. The levels of TxB2 and 12-HETE, the main metabolites derived from the cyclooxygenase and lipoxygenase pathways following platelet activation, were significantly reduced in the presence of AD4, TXM peptides, or NAC, when tested at the highest concentration (0.6 mM). The effects of AD4, TXM-peptides, and NAC were also tested on the clotting time (CT) of whole blood. TXM-CB3 and TXM-CB30 showed the greatest increase in CT. Furthermore, two representative compounds, TXM-CB3 and NAC, showed an increase in the anti-oxidant free sulfhydryl groups of plasma detected via Ellman's method, suggesting a contribution of plasma factors to the antiaggregating effects. Our results suggest that these small-molecular-weight redox peptides might become useful for the prevention and/or treatment of oxidative stress conditions associated with platelet activation.
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Affiliation(s)
- Sonia Eligini
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics, and Network Analysis, 20138 Milan, Italy
| | - Marco Munno
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics, and Network Analysis, 20138 Milan, Italy
| | - Daphne Atlas
- Department of Biological Chemistry, Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Cristina Banfi
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics, and Network Analysis, 20138 Milan, Italy
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220
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Mo H, Yu H, Jiang Z, Chen Y, Yao M, Liu K, Li Y, Yu J, Wang L. Molecular cloning, tissues distribution, and function analysis of thioredoxin-like protein-1 (TXNL1) in Chinese giant salamanders Andrias davidianus. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 144:104691. [PMID: 36967023 DOI: 10.1016/j.dci.2023.104691] [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: 12/12/2022] [Revised: 02/23/2023] [Accepted: 03/22/2023] [Indexed: 06/05/2023]
Abstract
Thioredoxin-like protein-1 (TXNL1) is the member of thioredoxin superfamily, a family of thiol oxidoreductases. TXNL1 plays an important role in scavenging ROS and the maintenance of cellular redox balance. However, its physiological functions in Andrias davidianus have not been well understood. In the present study, the full-length cDNA encoding thioredoxin-like protein-1 (AdTXNL1) of A. davidianus was cloned, the mRNA tissue distribution was analyzed, and the function was characterized. The Adtxnl1 cDNA contained an open reading frame (ORF) of 870 bp encoding a polypeptide of 289 amino acids with the N-terminal TRX domain, a Cys34-Ala35-Pro36-Cys37 (CAPC) motif, and the C-terminal proteasome-interacting thioredoxin domain (PITH). The mRNA of AdTXNL1 was expressed in a wide range of tissues, with the highest level in the liver. The transcript level of AdTXNL1 was significantly up-regulated post Aeromonas hydrophila challenge in liver tissue. Moreover, the recombinant AdTXNL1 protein was produced and purified, and used to investigate the antioxidant activity. In the insulin disulfide reduction assay, rAdTXNL1 exhibited strong antioxidant capability. Altogether, the thioredoxin-like protein-1 may be involved in reduction/oxidation (redox) balance and as an important immunological gene in A. davidianus.
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Affiliation(s)
- Haolin Mo
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Huixia Yu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Zebin Jiang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Yongqing Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Mingxing Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Kexin Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Yang Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Jiajia Yu
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Lixin Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China.
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221
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Vignane T, Filipovic MR. Emerging Chemical Biology of Protein Persulfidation. Antioxid Redox Signal 2023; 39:19-39. [PMID: 37288744 PMCID: PMC10433728 DOI: 10.1089/ars.2023.0352] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 05/30/2023] [Indexed: 06/09/2023]
Abstract
Significance: Protein persulfidation (the formation of RSSH), an evolutionarily conserved oxidative posttranslational modification in which thiol groups in cysteine residues are converted into persulfides, has emerged as one of the main mechanisms through which hydrogen sulfide (H2S) conveys its signaling. Recent Advances: New methodological advances in persulfide labeling started unraveling the chemical biology of this modification and its role in (patho)physiology. Some of the key metabolic enzymes are regulated by persulfidation. RSSH levels are important for the cellular defense against oxidative injury, and they decrease with aging, leaving proteins vulnerable to oxidative damage. Persulfidation is dysregulated in many diseases. Critical Issues: A relatively new field of signaling by protein persulfidation still has many unanswered questions: the mechanism(s) of persulfide formation and transpersulfidation and the identification of "protein persulfidases," the improvement of methods to monitor RSSH changes and identify protein targets, and understanding the mechanisms through which this modification controls important (patho)physiological functions. Future Directions: Deep mechanistic studies using more selective and sensitive RSSH labeling techniques will provide high-resolution structural, functional, quantitative, and spatiotemporal information on RSSH dynamics and help with better understanding how H2S-derived protein persulfidation affects protein structure and function in health and disease. This knowledge could pave the way for targeted drug design for a wide variety of pathologies. Antioxid. Redox Signal. 39, 19-39.
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Affiliation(s)
- Thibaut Vignane
- Leibniz Institute for Analytical Sciences, ISAS e.V., Dortmund, Germany
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222
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Golara A, Kozłowski M, Guzik P, Kwiatkowski S, Cymbaluk-Płoska A. The Role of Selenium and Manganese in the Formation, Diagnosis and Treatment of Cervical, Endometrial and Ovarian Cancer. Int J Mol Sci 2023; 24:10887. [PMID: 37446063 DOI: 10.3390/ijms241310887] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/22/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Selenium (Se) and manganese (Mn) are essential micronutrients that are important elements of cell metabolism. They are involved in the composition of enzyme systems and regulate enzyme activity. Disturbances in the homeostasis of these micronutrients affect the development of many diseases and carcinogenesis, which can be linked to increased levels of oxidative stress and impaired antioxidant properties of many enzymes. Selenium has a very important function in maintaining immune-endocrine, metabolic and cellular homeostasis. Manganese, on the other hand, is important in development, digestion, reproduction, antioxidant defense, energy production, immune response and regulation of neuronal activity. We review the role of selenium and manganese and their effects on tumor growth, metastasis potential and remodeling of the microenvironment. We also describe their role as potential biomarkers in the diagnosis and the potential for the use of Se- and Mn-containing compounds in composition for the treatment of cancer of the reproductive organs.
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Affiliation(s)
- Anna Golara
- Department of Reconstructive Surgery and Gynecological Oncology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Mateusz Kozłowski
- Department of Reconstructive Surgery and Gynecological Oncology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Paweł Guzik
- Clinical Department of Gynecology and Obstetrics, City Hospital, 35-241 Rzeszów, Poland
| | - Sebastian Kwiatkowski
- Department of Obstetrics and Gynecology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Aneta Cymbaluk-Płoska
- Department of Reconstructive Surgery and Gynecological Oncology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
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223
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Deng Z, Li H, Chen S, Wang N, Liu G, Liu D, Ou W, Xu F, Wang X, Lei D, Lo PC, Li YY, Lu J, Yang M, He ML, Zhu G. Near-infrared-activated anticancer platinum(IV) complexes directly photooxidize biomolecules in an oxygen-independent manner. Nat Chem 2023:10.1038/s41557-023-01242-w. [PMID: 37353602 DOI: 10.1038/s41557-023-01242-w] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 05/16/2023] [Indexed: 06/25/2023]
Abstract
Conventional light-driven cancer therapeutics require oxygen and visible light to indirectly damage biomolecules, limiting their efficacy in deep, hypoxic tumours. Here we report the use of near-infrared-activated small-molecule Pt(IV) photooxidants to directly oxidize intracellular biomolecules in an oxygen-independent manner, achieving controllable and effective elimination of cancer stem cells. These Pt(IV) complexes accumulate in the endoplasmic reticulum and show low toxicity in the dark. Upon irradiation, the resultant metal-enhanced photooxidation effect causes them to robustly photooxidize survival-related biomolecules, induce intense oxidative stress, disrupt intracellular pH (pHi) homeostasis and initiate nonclassical necrosis. In vivo experiments confirm that the lead photooxidant can effectively inhibit tumour growth, suppress metastasis and activate the immune system. Our study validates the concept of metal-enhanced photooxidation and the subsequent chemotherapeutic applications, supporting the development of such localized photooxidants to directly damage intracellular biomolecules and decrease pHi as a strategy for effective metal-based drugs.
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Affiliation(s)
- Zhiqin Deng
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China
| | - Huangcan Li
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Shu Chen
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China
| | - Na Wang
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China
| | - Gongyuan Liu
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China
| | - Danjun Liu
- Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong SAR, P. R. China
| | - Weihui Ou
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong SAR, P. R. China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, P. R. China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Feijie Xu
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Xiong Wang
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Dangyuan Lei
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Pui-Chi Lo
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Yang Yang Li
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong SAR, P. R. China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, P. R. China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Jian Lu
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong SAR, P. R. China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, P. R. China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Mengsu Yang
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, P. R. China
| | - Ming-Liang He
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China.
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, P. R. China.
| | - Guangyu Zhu
- Department of Chemistry, City University of Hong Kong, Hong Kong SAR, P. R. China.
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, P. R. China.
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224
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Soto ME, Pérez-Torres I, Manzano-Pech L, Soria-Castro E, Morales-Marín A, Ramírez-Marroquín ES, Martínez-Hernández H, Herrera-Alarcón V, Guarner-Lans V. Reduced Levels of Selenium and Thioredoxin Reductase in the Thoracic Aorta Could Contribute to Aneurysm Formation in Patients with Marfan Syndrome. Int J Mol Sci 2023; 24:10429. [PMID: 37445606 DOI: 10.3390/ijms241310429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 06/17/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Marfan syndrome (MFS) is an autosomal dominant disorder caused by a heterozygous mutation of the FBN1 gene. MFS patients present oxidative stress that disturbs redox homeostasis. Redox homeostasis depends in part on the enzymatic antioxidant system, which includes thioredoxin reductase (TrxR) and glutathione peroxidases (GPx), both of which require an adequate concentration of selenium (Se). Therefore, the aim of this study was to determine if Se levels are decreased in the TAA of patients with MFS since this could contribute to the formation of an aneurysm in these patients. The results show that interleukins IL-1β, IL-6 TGF-β1, and TNF-α (p ≤ 0.03), and carbonylation (p ≤ 0.03) were increased in the TAA of patients with MFS in comparison with control subjects, while Se, thiols (p = 0.02), TrxR, and GPx (p ≤ 0.001) were decreased. TLR4 and NOX1 (p ≤ 0.03), MMP9 and MMP2 (p = 0.04) and NOS2 (p < 0.001) were also increased. Therefore, Se concentrations are decreased in the TAA of MFS, which can contribute to a decrease in the activities of TrxR and GPx, and thiol groups. A decrease in the activities of these enzymes can lead to the loss of redox homeostasis, which can, in turn, lead to an increase in the pro-inflammatory interleukins associated with the overexpression of MMP9 and MMP2.
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Affiliation(s)
- María Elena Soto
- Department of Immunology, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Sección XVI, Tlalpan, México City 14080, Mexico
- Department of the Cardiovascular Line, Division of the American British Cowdray Medical Center, Sur 136 No. 116 Col. Las Américas, México City 01120, México
| | - Israel Pérez-Torres
- Department of Cardiovascular Biomedicine, Instituto Nacional de Cardiología Ignacio Chávez, México City 14080, Mexico
| | - Linaloe Manzano-Pech
- Department of Cardiovascular Biomedicine, Instituto Nacional de Cardiología Ignacio Chávez, México City 14080, Mexico
| | - Elizabeth Soria-Castro
- Department of Cardiovascular Biomedicine, Instituto Nacional de Cardiología Ignacio Chávez, México City 14080, Mexico
| | - Almilcar Morales-Marín
- Deparment Cardiothoracic Surgery Instituto Nacional de Cardiología Ignacio Chávez, México City 14080, Mexico
| | | | - Humberto Martínez-Hernández
- Deparment Cardiothoracic Surgery Instituto Nacional de Cardiología Ignacio Chávez, México City 14080, Mexico
| | - Valentín Herrera-Alarcón
- Deparment Cardiothoracic Surgery Instituto Nacional de Cardiología Ignacio Chávez, México City 14080, Mexico
| | - Verónica Guarner-Lans
- Department of Physiology, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Sección XVI, Tlalpan, México City 14080, Mexico
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225
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Koda Y, Nagasaki Y. Newly Designed Cysteine-Based Self-Assembling Prodrugs for Sepsis Treatment. Pharmaceutics 2023; 15:1775. [PMID: 37376222 DOI: 10.3390/pharmaceutics15061775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/12/2023] [Accepted: 06/16/2023] [Indexed: 06/29/2023] Open
Abstract
Reactive oxygen species (ROS) are essential signaling molecules that maintain intracellular redox balance; however, the overproduction of ROS often causes dysfunction in redox homeostasis and induces serious diseases. Antioxidants are crucial candidates for reducing overproduced ROS; however, most antioxidants are less effective than anticipated. Therefore, we designed new polymer-based antioxidants based on the natural amino acid, cysteine (Cys). Amphiphilic block copolymers, composed of a hydrophilic poly(ethylene glycol) (PEG) segment and a hydrophobic poly(cysteine) (PCys) segment, were synthesized. In the PCys segment, the free thiol groups in the side chain were protected by thioester moiety. The obtained block copolymers formed self-assembling nanoparticles (NanoCys(Bu)) in water, and the hydrodynamic diameter was 40-160 nm, as determined by dynamic light scattering (DLS) measurements. NanoCys(Bu) was stable from pH 2 to 8 under aqueous conditions, as confirmed by the hydrodynamic diameter of NanoCys(Bu). Finally, NanoCys(Bu) was applied to sepsis treatment to investigate the potential of NanoCys(Bu). NanoCys(Bu) was supplied to BALB/cA mice by free drinking for two days, and lipopolysaccharide (LPS) was intraperitoneally injected into the mice to prepare a sepsis shock model (LPS = 5 mg per kg body weight (BW)). Compared with the Cys and no-treatment groups, NanoCys(Bu) prolonged the half-life by five to six hours. NanoCys(Bu), designed in this study, shows promise as a candidate for enhancing antioxidative efficacy and mitigating the adverse effect of cysteine.
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Affiliation(s)
- Yuta Koda
- Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba 305-8573, Japan
| | - Yukio Nagasaki
- Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba 305-8573, Japan
- School of Medical Sciences, School of Comprehensive Human Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba 305-8573, Japan
- Center for Research in Radiation, Isotope and Earth System Sciences (CRiES), University of Tsukuba, Tennoudai 1-1-1, Tsukuba 305-8573, Japan
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226
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Kang JB, Koh PO. Retinoic Acid Has Neuroprotective effects by Modulating Thioredoxin in Ischemic Brain Damage and Glutamate-exposed Neurons. Neuroscience 2023; 521:166-181. [PMID: 37149281 DOI: 10.1016/j.neuroscience.2023.04.028] [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: 02/02/2023] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/08/2023]
Abstract
Ischemic stroke is a neurological disorder that causes pathological changes by increasing oxidative stress. Retinoic acid is one of the metabolites of vitamin A. It regulates oxidative stress and exerts neuroprotective effects. Thioredoxin is a small redox protein with antioxidant activity. The aim of this study was to investigate whether retinoic acid modulates the expression of thioredoxin in ischemic brain injury. Cerebral ischemia was induced by middle cerebral artery occlusion (MCAO) surgery and retinoic acid (5 mg/kg) or vehicle was administered to adult male rats for four days prior to surgery. MCAO induced neurological deficits and increased oxidative stress and retinoic acid attenuated these changes. Retinoic acid ameliorated the MCAO-induced decrease in thioredoxin expression. MCAO decreases the interaction between thioredoxin and apoptosis signal-regulating kinase 1 (ASK1), and retinoic acid treatment alleviates this decrease. Glutamate (5 mM) exposure induced cell death and decreased thioredoxin expression in cultured neurons. Retinoic acid treatment attenuated these changes in a dose-dependent manner. Retinoic acid prevented the decrease of bcl-2 expression and the increase of bax expression caused by glutamate exposure. Moreover, retinoic acid attenuated the increases in caspase-3, cleaved caspase-3, and cytochrome c in glutamate-exposed neurons. However, the mitigation effects of retinoic acid were lower in thioredoxin siRNA-transfected neurons than in non-transfected neurons. These results demonstrate that retinoic acid regulates oxidative stress and thioredoxin expression, maintains the interaction between thioredoxin and ASK1, and modulates apoptosis-associated proteins. Taken together, these results suggest that retinoic acid has neuroprotective effects by regulating thioredoxin expression and modulating apoptotic pathway.
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Affiliation(s)
- Ju-Bin Kang
- Department of Anatomy, College of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, 501 Jinjudaero, Jinju 52828, South Korea
| | - Phil-Ok Koh
- Department of Anatomy, College of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, 501 Jinjudaero, Jinju 52828, South Korea.
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227
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Chaudière J. Biological and Catalytic Properties of Selenoproteins. Int J Mol Sci 2023; 24:10109. [PMID: 37373256 DOI: 10.3390/ijms241210109] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Selenocysteine is a catalytic residue at the active site of all selenoenzymes in bacteria and mammals, and it is incorporated into the polypeptide backbone by a co-translational process that relies on the recoding of a UGA termination codon into a serine/selenocysteine codon. The best-characterized selenoproteins from mammalian species and bacteria are discussed with emphasis on their biological function and catalytic mechanisms. A total of 25 genes coding for selenoproteins have been identified in the genome of mammals. Unlike the selenoenzymes of anaerobic bacteria, most mammalian selenoenzymes work as antioxidants and as redox regulators of cell metabolism and functions. Selenoprotein P contains several selenocysteine residues and serves as a selenocysteine reservoir for other selenoproteins in mammals. Although extensively studied, glutathione peroxidases are incompletely understood in terms of local and time-dependent distribution, and regulatory functions. Selenoenzymes take advantage of the nucleophilic reactivity of the selenolate form of selenocysteine. It is used with peroxides and their by-products such as disulfides and sulfoxides, but also with iodine in iodinated phenolic substrates. This results in the formation of Se-X bonds (X = O, S, N, or I) from which a selenenylsulfide intermediate is invariably produced. The initial selenolate group is then recycled by thiol addition. In bacterial glycine reductase and D-proline reductase, an unusual catalytic rupture of selenium-carbon bonds is observed. The exchange of selenium for sulfur in selenoproteins, and information obtained from model reactions, suggest that a generic advantage of selenium compared with sulfur relies on faster kinetics and better reversibility of its oxidation reactions.
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Affiliation(s)
- Jean Chaudière
- CBMN (CNRS, UMR 5248), University of Bordeaux, 33600 Pessac, France
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Zhou Y, Chen Y, Li J, Fu Z, Chen Q, Zhang W, Luo H, Xie M. The development of endoplasmic reticulum-related gene signatures and the immune infiltration analysis of sepsis. Front Immunol 2023; 14:1183769. [PMID: 37346041 PMCID: PMC10280294 DOI: 10.3389/fimmu.2023.1183769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 05/17/2023] [Indexed: 06/23/2023] Open
Abstract
Background Sepsis is a complex condition involving multiorgan failure, resulting from the hosts' deleterious systemic immune response to infection. It is characterized by high mortality, with limited effective detection and treatment options. Dysregulated endoplasmic reticulum (ER) stress is directly involved in the pathophysiology of immune-mediated diseases. Methods Clinical samples were obtained from Gene Expression Omnibus datasets (i.e., GSE65682, GSE54514, and GSE95233) to perform the differential analysis in this study. A weighted gene co-expression network analysis algorithm combining multiple machine learning algorithms was used to identify the diagnostic biomarkers for sepsis. Gene Ontology (GO) analysis, Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment, and the single-sample gene set enrichment analysis algorithm were used to analyze immune infiltration characteristics in sepsis. PCR analysis and western blotting were used to demonstrate the potential role of TXN in sepsis. Results Four ERRGs, namely SET, LPIN1, TXN, and CD74, have been identified as characteristic diagnostic biomarkers for sepsis. Immune infiltration has been repeatedly proved to play a vital role both in sepsis and ER. Subsequently, the immune infiltration characteristics result indicated that the development of sepsis is mediated by immune-related function, as four diagnostic biomarkers were strongly associated with the immune infiltration landscape of sepsis. The biological experiments in vitro and vivo demonstrate TXN is emerging as crucial player in maintaining ER homeostasis in sepsis. Conclusion Our research identified novel potential biomarkers for sepsis diagnosis, which point toward a potential strategy for the diagnosis and treatment of sepsis.
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Affiliation(s)
- Yi Zhou
- Department of Pharmacy, First People’s Hospital of Linping District, Hangzhou, Zhejiang, China
| | - Yifang Chen
- Department of Pharmacy, First People’s Hospital of Linping District, Hangzhou, Zhejiang, China
| | - Jianbo Li
- Department of Pharmacy, First People’s Hospital of Linping District, Hangzhou, Zhejiang, China
| | - Zailin Fu
- Department of Pharmacy, First People’s Hospital of Linping District, Hangzhou, Zhejiang, China
| | - Qian Chen
- Department of Pharmacy, First People’s Hospital of Linping District, Hangzhou, Zhejiang, China
| | - Wei Zhang
- Department of Pharmacy, First People’s Hospital of Linping District, Hangzhou, Zhejiang, China
| | - Huan Luo
- Department of Critical Care Medicine, Chongqing General Hospital, Chongqing, China
| | - Minghua Xie
- Department of Pharmacy, First People’s Hospital of Linping District, Hangzhou, Zhejiang, China
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Hammerstad M, Rugtveit AK, Dahlen S, Andersen HK, Hersleth HP. Functional Diversity of Homologous Oxidoreductases-Tuning of Substrate Specificity by a FAD-Stacking Residue for Iron Acquisition and Flavodoxin Reduction. Antioxidants (Basel) 2023; 12:1224. [PMID: 37371954 DOI: 10.3390/antiox12061224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/29/2023] Open
Abstract
Although bacterial thioredoxin reductase-like ferredoxin/flavodoxin NAD(P)+ oxidoreductases (FNRs) are similar in terms of primary sequences and structures, they participate in diverse biological processes by catalyzing a range of different redox reactions. Many of the reactions are critical for the growth, survival of, and infection by pathogens, and insight into the structural basis for substrate preference, specificity, and reaction kinetics is crucial for the detailed understanding of these redox pathways. Bacillus cereus (Bc) encodes three FNR paralogs, two of which have assigned distinct biological functions in bacillithiol disulfide reduction and flavodoxin (Fld) reduction. Bc FNR2, the endogenous reductase of the Fld-like protein NrdI, belongs to a distinct phylogenetic cluster of homologous oxidoreductases containing a conserved His residue stacking the FAD cofactor. In this study, we have assigned a function to FNR1, in which the His residue is replaced by a conserved Val, in the reduction of the heme-degrading monooxygenase IsdG, ultimately facilitating the release of iron in an important iron acquisition pathway. The Bc IsdG structure was solved, and IsdG-FNR1 interactions were proposed through protein-protein docking. Mutational studies and bioinformatics analyses confirmed the importance of the conserved FAD-stacking residues on the respective reaction rates, proposing a division of FNRs into four functionally unique sequence similarity clusters likely related to the nature of this residue.
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Affiliation(s)
- Marta Hammerstad
- Department of Biosciences, Section for Biochemistry and Molecular Biology, University of Oslo, P.O. Box 1066, Blindern, NO-0316 Oslo, Norway
| | - Anne Kristine Rugtveit
- Department of Biosciences, Section for Biochemistry and Molecular Biology, University of Oslo, P.O. Box 1066, Blindern, NO-0316 Oslo, Norway
| | - Sondov Dahlen
- Department of Biosciences, Section for Biochemistry and Molecular Biology, University of Oslo, P.O. Box 1066, Blindern, NO-0316 Oslo, Norway
| | - Hilde Kristin Andersen
- Department of Biosciences, Section for Biochemistry and Molecular Biology, University of Oslo, P.O. Box 1066, Blindern, NO-0316 Oslo, Norway
| | - Hans-Petter Hersleth
- Department of Biosciences, Section for Biochemistry and Molecular Biology, University of Oslo, P.O. Box 1066, Blindern, NO-0316 Oslo, Norway
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Zhang L, Wang L, Huang J, Jin Z, Guan J, Yu H, Zhang M, Yu M, Jiang H, Qiao Z. Effects of Aeromonas hydrophila infection on the intestinal microbiota, transcriptome, and metabolomic of common carp (Cyprinus carpio). FISH & SHELLFISH IMMUNOLOGY 2023:108876. [PMID: 37271325 DOI: 10.1016/j.fsi.2023.108876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/31/2023] [Accepted: 06/01/2023] [Indexed: 06/06/2023]
Abstract
Aeromonas hydrophila frequently has harmful effects on aquatic organisms. The intestine is an important defense against stress. In this study, we investigated the intestinal microbiota and transcriptomic and metabolomic responses of Cyprinus carpio subjected to A. hydrophila infection. The results showed that obvious variation in the intestinal microbiota was observed after infection, with increased levels of Firmicutes and Bacteroidetes and decreased levels of Proteobacteria. Several genera of putatively beneficial microbiota (Cetobacterium, Bacteroides, and Lactobacillus) were abundant, while Demequina, Roseomonas, Rhodobacter, Pseudoxanthomonas, and Cellvibrio were decreased; pathogenic bacteria of the genus Vibrio were increased after microbiota infection. The intestinal transcriptome revealed several immune-related differentially expressed genes associated with the cytokines and oxidative stress. The metabolomic analysis showed that microbiota infection disturbed the metabolic processes of the carp, particularly amino acid metabolism. This study provides insight into the underlying mechanisms associated with the intestinal microbiota, immunity, and metabolism of carp response to A. hydrophila infection; eleven stress-related metabolite markers were identified, including N-acetylglutamic acid, capsidiol, sedoheptulose 7-phosphate, prostaglandin B1, 8,9-DiHETrE, 12,13-DHOME, ADP, cellobiose, 1H-Indole-3-carboxaldehyde, sinapic acid and 5,7-dihydroxyflavone.
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Affiliation(s)
- Lan Zhang
- College of Fisheries, Henan Normal University, Xinxiang, China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, China; Engineering Lab of Henan Province for Aquatic Animal Disease Control, Henan Normal University, Xinxiang, China
| | - Lei Wang
- College of Fisheries, Henan Normal University, Xinxiang, China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, China; Engineering Lab of Henan Province for Aquatic Animal Disease Control, Henan Normal University, Xinxiang, China.
| | - Jintai Huang
- College of Fisheries, Henan Normal University, Xinxiang, China
| | - Zhan Jin
- College of Fisheries, Henan Normal University, Xinxiang, China
| | - Junxiang Guan
- College of Fisheries, Henan Normal University, Xinxiang, China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, China; Engineering Lab of Henan Province for Aquatic Animal Disease Control, Henan Normal University, Xinxiang, China
| | - Hang Yu
- College of Fisheries, Henan Normal University, Xinxiang, China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, China; Engineering Lab of Henan Province for Aquatic Animal Disease Control, Henan Normal University, Xinxiang, China
| | - Meng Zhang
- College of Fisheries, Henan Normal University, Xinxiang, China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, China; Engineering Lab of Henan Province for Aquatic Animal Disease Control, Henan Normal University, Xinxiang, China
| | - Miao Yu
- College of Fisheries, Henan Normal University, Xinxiang, China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, China; Engineering Lab of Henan Province for Aquatic Animal Disease Control, Henan Normal University, Xinxiang, China
| | - Hongxia Jiang
- College of Fisheries, Henan Normal University, Xinxiang, China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, China; Engineering Lab of Henan Province for Aquatic Animal Disease Control, Henan Normal University, Xinxiang, China
| | - Zhigang Qiao
- College of Fisheries, Henan Normal University, Xinxiang, China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, China; Engineering Lab of Henan Province for Aquatic Animal Disease Control, Henan Normal University, Xinxiang, China
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Noriega‐Navarro R, Martínez‐Tapia RJ, González‐Rivera R, Ochoa‐Sánchez A, Abarca‐Magaña JC, Landa‐Navarro L, Rodríguez‐Mata V, Ugalde‐Muñiz P, Pérez‐Torres A, Landa A, Navarro L. The effect of thioredoxin-1 in a rat model of traumatic brain injury depending on diurnal variation. Brain Behav 2023; 13:e3031. [PMID: 37157915 PMCID: PMC10275561 DOI: 10.1002/brb3.3031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/17/2023] [Accepted: 04/17/2023] [Indexed: 05/10/2023] Open
Abstract
INTRODUCTION Traumatic brain injury (TBI) is a public health concern with limited treatment options because it causes a cascade of side effects that are the leading cause of hospital death. Thioredoxin is an enzyme with neuroprotective properties such as antioxidant, antiapoptotic, immune response modulator, and neurogenic, among others; it has been considered a therapeutic target for treating many disorders. METHODS The controlled cortical impact (CCI) model was used to assess the effect of recombinant human thioredoxin 1 (rhTrx1) (1 μg/2 μL, intracortical) on rats subjected to TBI at two different times of the light-dark cycle (01:00 and 13:00 h). We analyzed the food intake, body weight loss, motor coordination, pain perception, and histology in specific hippocampus (CA1, CA2, CA3, and Dental Gyrus) and striatum (caudate-putamen) areas. RESULTS Body weight loss, reduced food intake, spontaneous pain, motor impairment, and neuronal damage in specific hippocampus and striatum regions are more evident in rats subjected to TBI in the light phase than in the dark phase of the cycle and in groups that did not receive rhTrx1 or minocycline (as positive control). Three days after TBI, there is a recovery in body weight, food intake, motor impairment, and pain, which is more pronounced in the rats subjected to TBI at the dark phase of the cycle and those that received rhTrx1 or minocycline. CONCLUSIONS Knowing the time of day a TBI occurs in connection to the neuroprotective mechanisms of the immune response in diurnal variation and the usage of the Trx1 protein might have a beneficial therapeutic impact in promoting quick recovery after a TBI.
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Affiliation(s)
- Roxana Noriega‐Navarro
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | | | - Rubén González‐Rivera
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Alicia Ochoa‐Sánchez
- Departamento de Microbiología y Parasitología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Julio César Abarca‐Magaña
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Lucía Landa‐Navarro
- Simons Initiative for the Developing Brain, Centre for Discovery Brain SciencesUniversity of EdinburghEdinburghUK
| | - Verónica Rodríguez‐Mata
- Departamento de Biología Celular y Tisular, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Perla Ugalde‐Muñiz
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Armando Pérez‐Torres
- Departamento de Biología Celular y Tisular, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Abraham Landa
- Departamento de Microbiología y Parasitología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
| | - Luz Navarro
- Departamento de Fisiología, Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoMéxico
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Jena AB, Samal RR, Bhol NK, Duttaroy AK. Cellular Red-Ox system in health and disease: The latest update. Biomed Pharmacother 2023; 162:114606. [PMID: 36989716 DOI: 10.1016/j.biopha.2023.114606] [Citation(s) in RCA: 80] [Impact Index Per Article: 80.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/13/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Cells are continually exposed to reactive oxygen species (ROS) generated during cellular metabolism. Apoptosis, necrosis, and autophagy are biological processes involving a feedback cycle that causes ROS molecules to induce oxidative stress. To adapt to ROS exposure, living cells develop various defense mechanisms to neutralize and use ROS as a signaling molecule. The cellular redox networks combine signaling pathways that regulate cell metabolism, energy, cell survival, and cell death. Superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPX) are essential antioxidant enzymes that are required for scavenging ROS in various cell compartments and response to stressful situations. Among the non-enzymatic defenses, vitamin C, glutathione (GSH), polyphenols, carotenoids, vitamin E, etc., are also essential. This review article describes how ROS are produced as byproducts of oxidation/reduction (redox) processes and how the antioxidants defense system is directly or indirectly engaged in scavenging ROS. In addition, we used computational methods to determine the comparative profile of binding energies of several antioxidants with antioxidant enzymes. The computational analysis demonstrates that antioxidants with a high affinity for antioxidant enzymes regulate their structures.
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Affiliation(s)
- Atala Bihari Jena
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Rashmi Rekha Samal
- CSIR-Institute of Minerals & Materials Technology, Bhubaneswar 751 013, India
| | - Nitish Kumar Bhol
- Post Graduate Department of Biotechnology, Utkal University, Bhubaneswar 751004, Odisha, India
| | - Asim K Duttaroy
- Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, 0317 Oslo, Norway.
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Ouyang Y, Tang X, Zhao Y, Zuo X, Ren X, Wang J, Zou L, Lu J. Disruption of Bacterial Thiol-Dependent Redox Homeostasis by Magnolol and Honokiol as an Antibacterial Strategy. Antioxidants (Basel) 2023; 12:1180. [PMID: 37371909 DOI: 10.3390/antiox12061180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/26/2023] [Accepted: 05/27/2023] [Indexed: 06/29/2023] Open
Abstract
Some traditional Chinese medicines (TCMs) possess various redox-regulation properties, but whether the redox regulation contributes to antibacterial mechanisms is not known. Here, ginger juice processed Magnoliae officinalis cortex (GMOC) was found to show strong antibacterial activities against some Gram-positive bacteria, but not Gram-negative bacteria including E. coli, while the redox-related transcription factor oxyR deficient E. coli mutant was sensitive to GMOC. In addition, GMOC and its main ingredients, magnolol and honokiol, exhibited inhibitory effects on the bacterial thioredoxin (Trx) system, a major thiol-dependent disulfide reductase system in bacteria. The effects of magnolol and honokiol on cellular redox homeostasis were further verified by elevation of the intracellular ROS levels. The therapeutic efficacies of GMOC, magnolol and honokiol were further verified in S. aureus-caused mild and acute peritonitis mouse models. Treatments with GMOC, magnolol and honokiol significantly reduced the bacterial load, and effectively protected the mice from S. aureus-caused peritonitis infections. Meanwhile, magnolol and honokiol produced synergistic effects when used in combination with several classic antibiotics. These results strongly suggest that some TCMs may exert their therapeutic effects via targeting the bacterial thiol-dependent redox system.
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Affiliation(s)
- Yanfang Ouyang
- Engineering Research Center of Coptis Development and Utilization/Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education (Southwest University), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Xuewen Tang
- Engineering Research Center of Coptis Development and Utilization/Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education (Southwest University), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Ying Zhao
- Engineering Research Center of Coptis Development and Utilization/Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education (Southwest University), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Xin Zuo
- Engineering Research Center of Coptis Development and Utilization/Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education (Southwest University), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Xiaoyuan Ren
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 77 Stockholm, Sweden
| | - Jun Wang
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang 443002, China
| | - Lili Zou
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang 443002, China
| | - Jun Lu
- Engineering Research Center of Coptis Development and Utilization/Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education (Southwest University), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
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Yu T, Wang L, Zhang L, Deuster PA. Mitochondrial Fission as a Therapeutic Target for Metabolic Diseases: Insights into Antioxidant Strategies. Antioxidants (Basel) 2023; 12:1163. [PMID: 37371893 DOI: 10.3390/antiox12061163] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Mitochondrial fission is a crucial process in maintaining metabolic homeostasis in normal physiology and under conditions of stress. Its dysregulation has been associated with several metabolic diseases, including, but not limited to, obesity, type 2 diabetes (T2DM), and cardiovascular diseases. Reactive oxygen species (ROS) serve a vital role in the genesis of these conditions, and mitochondria are both the main sites of ROS production and the primary targets of ROS. In this review, we explore the physiological and pathological roles of mitochondrial fission, its regulation by dynamin-related protein 1 (Drp1), and the interplay between ROS and mitochondria in health and metabolic diseases. We also discuss the potential therapeutic strategies of targeting mitochondrial fission through antioxidant treatments for ROS-induced conditions, including the effects of lifestyle interventions, dietary supplements, and chemicals, such as mitochondrial division inhibitor-1 (Mdivi-1) and other mitochondrial fission inhibitors, as well as certain commonly used drugs for metabolic diseases. This review highlights the importance of understanding the role of mitochondrial fission in health and metabolic diseases, and the potential of targeting mitochondrial fission as a therapeutic approach to protecting against these conditions.
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Affiliation(s)
- Tianzheng Yu
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Li Wang
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
- Department of Pathology, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
| | - Lei Zhang
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Patricia A Deuster
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
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Nemati M, Ebrahimi Z, Karbalaei N, Dastghaib S, Khakshournia S, Sargazi M. In Vitro and In Vivo Improvement of Islet Quality and Transplantation Successes following Islet Treatment with Biomaterials in Diabetic Rats. J Diabetes Res 2023; 2023:1399917. [PMID: 37265573 PMCID: PMC10232112 DOI: 10.1155/2023/1399917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/08/2023] [Accepted: 05/07/2023] [Indexed: 06/03/2023] Open
Abstract
Background Loss of islet survival and function, caused by native niche disruption and oxidative stress induction during mechanical and enzymatic isolation, limits the effectiveness of islet transplantation. Reconstitution of islet microenvironment, vascularization, and decreased oxidative stress with biomaterials may improve islet quality and graft outcomes. We investigated effects of two biomaterials, platelet-rich plasma and pancreatic islets homogenate combination on islet recovery and quality by evaluating in vitro islet survival, secretory function, and oxidative stress parameters and assessing in vivo transplantation outcomes. Methods In vitro, islet viability and secretory function of isolated islets were assessed after 24 h and 72 h incubation with biomaterials. Also, oxidative stress markers were measured once after isolation and 24 h after incubation with biomaterials. For evaluating in vivo effects, cultured islets for 24 h were transplanted into subscapular space of diabetic rat kidney, and outcomes were analyzed by measuring serum glucose and insulin concentrations, glucose tolerance test, level of oxidative parameters, and pancreatic gene expression. Results Treating islets with biomaterials significantly increased their viability and secretory function, reduced MDA level, and elevate SOD and CAT activity. Decreased level of glucose and MDA improved insulin level, increased SOD activity, and also enhanced pdx1 and insulin gene expression in diabetic rats after islet transplantation. Conclusions Biomaterials used in the present study should be consider as beneficial materials for increasing islet transplantation outcome. These materials may hamper transplantation limitation to some extent.
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Affiliation(s)
- Marzieh Nemati
- Endocrinology and Metabolism Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Ebrahimi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Narges Karbalaei
- Department of physiology, Shiraz University of Medical Sciences, Shiraz, Iran
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sanaz Dastghaib
- Endocrinology and Metabolism Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Authophagy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sara Khakshournia
- Department of Biochemistry, Shiraz University of Medical Science, Shiraz, Iran
| | - Mojtaba Sargazi
- Department of physiology, Shiraz University of Medical Sciences, Shiraz, Iran
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Zheng R, Chen D, Su J, Lai J, Wang C, Chen H, Ning Z, Liu X, Tian X, Li Y, Zhu B. Inhibition of HAdV-14 induced apoptosis by selenocystine through ROS-mediated PARP and p53 signaling pathways. J Trace Elem Med Biol 2023; 79:127213. [PMID: 37244045 DOI: 10.1016/j.jtemb.2023.127213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 12/10/2022] [Accepted: 05/17/2023] [Indexed: 05/29/2023]
Abstract
BACKGROUND Human Adenovirus (HAdV) can cause severe respiratory symptoms in people with low immunity and there is no targeted treatment for adenovirus infection. Anti-adenoviral drugs have high clinical significance for inhibiting adenovirus infection. Selenium (Se) plays an important role in anti-oxidation, redox signal transduction, and redox homeostasis. The excellent biological activity of Se is mainly achieved by being converted into selenocystine (SeC). Se participates in the active sites of various selenoproteins in the form of SeC. The ability of SeC to resist the virus has raised high awareness due to its unique antioxidative activity in recent years. The antiviral ability of the SeC was determined by detecting the infection rate of the virus in the cells. METHODS The experiment mainly investigated the antiviral mechanism of SeC by locating the virus in the cell, detecting the generation of ROS, observing the DNA status of the cell, and monitoring the mitochondrial membrane potential. RESULTS In the present study, SeC was designed to resist A549 cells infections caused by HAdV-14. SeC could prevent HAdV-14 from causing cell apoptosis-related to DNA damage. SeC significantly inhibited ROS generation and protect the cells from oxidative damage induced by ROS against HAdV-14. SeC induced the increase of antiviral cytokines such as IL-6 and IL-8 by activating the Jak2 signaling pathway, and repaired DNA lesions by suppressing ATR, p53, and PARP signaling pathways. CONCLUSION SeC might provide an effective selenium species with antiviral properties for the therapies against HAdV-14.
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Affiliation(s)
- Ruilin Zheng
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Danyang Chen
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Jingyao Su
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Jia Lai
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Chenyang Wang
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Haitian Chen
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Zhihui Ning
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Xia Liu
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Xingui Tian
- State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510182, Guangdong, China
| | - Yinghua Li
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China.
| | - Bing Zhu
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, Guangdong, China.
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Oberacker T, Kraft L, Schanz M, Latus J, Schricker S. The Importance of Thioredoxin-1 in Health and Disease. Antioxidants (Basel) 2023; 12:antiox12051078. [PMID: 37237944 DOI: 10.3390/antiox12051078] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/06/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
Thioredoxin-1 (Trx-1) is a multifunctional protein ubiquitously found in the human body. Trx-1 plays an important role in various cellular functions such as maintenance of redox homeostasis, proliferation, and DNA synthesis, but also modulation of transcription factors and control of cell death. Thus, Trx-1 is one of the most important proteins for proper cell and organ function. Therefore, modulation of Trx gene expression or modulation of Trx activity by various mechanisms, including post-translational modifications or protein-protein interactions, could cause a transition from the physiological state of cells and organs to various pathologies such as cancer, and neurodegenerative and cardiovascular diseases. In this review, we not only discuss the current knowledge of Trx in health and disease, but also highlight its potential function as a biomarker.
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Affiliation(s)
- Tina Oberacker
- Dr. Margarete Fischer-Bosch Institute for Clinical Pharmacology, 70376 Stuttgart, Germany
| | - Leonie Kraft
- Department of Internal Medicine and Nephrology, Robert-Bosch-Hospital Stuttgart, 70376 Stuttgart, Germany
| | - Moritz Schanz
- Department of Internal Medicine and Nephrology, Robert-Bosch-Hospital Stuttgart, 70376 Stuttgart, Germany
| | - Jörg Latus
- Department of Internal Medicine and Nephrology, Robert-Bosch-Hospital Stuttgart, 70376 Stuttgart, Germany
| | - Severin Schricker
- Department of Internal Medicine and Nephrology, Robert-Bosch-Hospital Stuttgart, 70376 Stuttgart, Germany
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238
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Tawk C, Lim B, Bencivenga-Barry NA, Lees HJ, Ramos RJF, Cross J, Goodman AL. Infection leaves a genetic and functional mark on the gut population of a commensal bacterium. Cell Host Microbe 2023; 31:811-826.e6. [PMID: 37119822 PMCID: PMC10197903 DOI: 10.1016/j.chom.2023.04.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 03/04/2023] [Accepted: 04/04/2023] [Indexed: 05/01/2023]
Abstract
Gastrointestinal infection changes microbiome composition and gene expression. In this study, we demonstrate that enteric infection also promotes rapid genetic adaptation in a gut commensal. Measurements of Bacteroides thetaiotaomicron population dynamics within gnotobiotic mice reveal that these populations are relatively stable in the absence of infection, and the introduction of the enteropathogen Citrobacter rodentium reproducibly promotes rapid selection for a single-nucleotide variant with increased fitness. This mutation promotes resistance to oxidative stress by altering the sequence of a protein, IctA, that is essential for fitness during infection. We identified commensals from multiple phyla that attenuate the selection of this variant during infection. These species increase the levels of vitamin B6 in the gut lumen. Direct administration of this vitamin is sufficient to significantly reduce variant expansion in infected mice. Our work demonstrates that a self-limited enteric infection can leave a stable mark on resident commensal populations that increase fitness during infection.
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Affiliation(s)
- Caroline Tawk
- Department of Microbial Pathogenesis and Microbial Sciences Institute, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Bentley Lim
- Department of Microbial Pathogenesis and Microbial Sciences Institute, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Natasha A Bencivenga-Barry
- Department of Microbial Pathogenesis and Microbial Sciences Institute, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Hannah J Lees
- The Donald B. and Catherine C. Marron Cancer Metabolism Center, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Ruben J F Ramos
- The Donald B. and Catherine C. Marron Cancer Metabolism Center, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Justin Cross
- The Donald B. and Catherine C. Marron Cancer Metabolism Center, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Andrew L Goodman
- Department of Microbial Pathogenesis and Microbial Sciences Institute, Yale University School of Medicine, New Haven, CT 06510, USA.
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239
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Liu S, Huang B, Cao J, Wang Y, Xiao H, Zhu Y, Zhang H. ROS fine-tunes the function and fate of immune cells. Int Immunopharmacol 2023; 119:110069. [PMID: 37150014 DOI: 10.1016/j.intimp.2023.110069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/11/2023] [Accepted: 03/20/2023] [Indexed: 05/09/2023]
Abstract
The redox state is essential to the process of cell life, which determines cell fate. As an important signaling molecule of the redox state, reactive oxygen species (ROS) are crucial for the homeostasis of immune cells and participate in the pathological processes of different diseases. We discuss the underlying mechanisms and possible signaling pathways of ROS to fine-tune the proliferation, differentiation, polarization and function of immune cells, including T cells, B cells, neutrophils, macrophages, myeloid-derived inhibitory cells (MDSCs) and dendritic cells (DCs). We further emphasize how excessive ROS lead to programmed immune cell death such as apoptosis, ferroptosis, pyroptosis, NETosis and necroptosis, providing valuable insights for future therapeutic strategies in human diseases.
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Affiliation(s)
- Shiyu Liu
- Department of Clinical Medicine, Xiangya School of Medicine, Central South University, 410008 Changsha, China
| | - Benqi Huang
- Department of Clinical Medicine, Xiangya School of Medicine, Central South University, 410008 Changsha, China
| | - Jingdong Cao
- Department of Clinical Medicine, Xiangya School of Medicine, Central South University, 410008 Changsha, China
| | - Yifei Wang
- Department of Clinical Medicine, Xiangya School of Medicine, Central South University, 410008 Changsha, China
| | - Hao Xiao
- Department of Clinical Medicine, Xiangya School of Medicine, Central South University, 410008 Changsha, China
| | - Yaxi Zhu
- Sepsis Translational Medicine Key Lab of Hunan Province, Department of Pathophysiology, School of Basic Medical Sciences, Central South University, 410008 Changsha, China.
| | - Huali Zhang
- Sepsis Translational Medicine Key Lab of Hunan Province, Department of Pathophysiology, School of Basic Medical Sciences, Central South University, 410008 Changsha, China.
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240
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Hu Y, Zhu Y, Nie W, Shi J, Wei X, Tang C, Zhang W. Thioredoxin reductase as a novel biomarker for the diagnosis and efficacy prediction of gastrointestinal malignancy: a large-scale, retrospective study. Int J Clin Oncol 2023:10.1007/s10147-023-02350-w. [PMID: 37142881 DOI: 10.1007/s10147-023-02350-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/27/2023] [Indexed: 05/06/2023]
Abstract
BACKGROUND Our aim was to investigate the rationality and accuracy of plasma TrxR activity as an efficient tool in the early diagnosis of gastrointestinal malignancy, and whether TrxR can be used to evaluate the therapeutic efficacy of gastrointestinal malignancy. METHODS We enrolled a total of 5091 cases, including 3736 cases in gastrointestinal malignancy, 964 in benign diseases, and 391 cases in healthy controls. We also performed receiver operating characteristic (ROC) analysis to evaluate diagnostic efficiency of TrxR. Finally, we detected pre- and post-treatment level of TrxR and common tumor markers. RESULTS The plasma TrxR level in patients with gastrointestinal malignancy [8.4 (6.9, 9.7) U/mL] was higher than that in patients with benign disease [5.8 (4.6, 6.9) U/mL] and healthy control [3.5 (1.4, 5.4) U/mL]. Plasma TrxR showed a significant diagnostic advantage with an AUC of 0.897, compared with conventional tumor markers. In addition, the combination of TrxR and conventional tumor markers can further improve the diagnostic efficiency. We derived the optimal cut-off value of plasma TrxR as a diagnostic marker of gastrointestinal malignancy according to Youden index of 6.15 U/mL. After measuring the change trend of TrxR activity and conventional tumor markers before and after anti-tumor treatments, we found that their change trend was generally consistent, and the plasma TrxR activity was significantly decreased in patients treated with chemotherapy, targeted therapy and immunotherapy. CONCLUSIONS Our findings recommend that plasma TrxR activity could be monitored as an efficient tool for the early diagnosis of gastrointestinal malignancy and as a feasible tool to evaluate the therapeutic effect.
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Affiliation(s)
- Yixuan Hu
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China
| | - Yinxing Zhu
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China
- Department of Radiation Oncology, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, 223300, China
| | - Weiwei Nie
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, 250014, China
| | - Junfeng Shi
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China
| | - Xiaowei Wei
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China
| | - Cuiju Tang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China.
| | - Wenwen Zhang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, 210006, China.
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Mechanisms of pulmonary microvascular endothelial cells barrier dysfunction induced by LPS: The roles of ceramides and the Txnip/NLRP3 inflammasome. Microvasc Res 2023; 147:104491. [PMID: 36709858 DOI: 10.1016/j.mvr.2023.104491] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/12/2023] [Accepted: 01/23/2023] [Indexed: 01/27/2023]
Abstract
Acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) are characterized by pulmonary microvascular endothelial cells (PMVECs) barrier dysfunction and proinflammatory cytokine influx into lung tissue, resulting in pulmonary oedema. Ceramide overproduction is an important mediator of pulmonary hyperinflammation and pulmonary oedema in Acute lung injury (ALI). Ceramides induce NLRP3 inflammasome activation are essential for the hyperinflammatory response. However, the roles and specific mechanisms of ceramide-induced NLRP3 inflammasome activation, proinflammatory cytokine manufacturing and PMVECs barrier dysfunction in ALI are unclear. Herein, pretreatment with the acid sphingomyelinase (ASMase) inhibitor imipramine (but not a neutral sphingomyelinase (NSMase) inhibitor or de novo pathway inhibitor) significantly inhibited ceramide early production in rats with lipopolysaccharide (LPS)-induced ALI; Furthermore, the Txnip/NLRP3 inflammasome activation, proinflammatory cytokine release, increased PMVECs permeability and lung injury were significantly decreased. Verapamil, a Txnip inhibitor, substantially inhibited Txnip/NLRP3 inflammasome activation, proinflammatory cytokine release, increased PMVECs permeability and lung injury in rats with C8-ceramide-induced ALI. In vitro, short hairpin RNA-mediated Txnip silencing significantly inhibited C8-ceramide-induced Txnip/NLRP3 inflammasome activation in NR8383 alveolar macrophages (AMs) and early secretion of the proinflammatory cytokines IL-1β (4-12 h) as well as IL-6 and TNF-α at subsequent times (later than 12 h). However, C8-ceramide significantly increased the early secretion (within 8 h) of the proinflammatory cytokines IL-1β, IL-6 and TNF-α in a co-culture model of NR8383 AMs and PMVECs, and Txnip silencing of NR8383 AMs inhibited the secretion of pro-inflammatory cytokines and reduced cytoskeletal rearrangements, intercellular connection breakage and hyperpermeability in PMVECs. Overall, our results suggest that in LPS-induced ALI, ceramide-mediated Txnip/NLRP3 inflammasome activation in NR8383 AMs leads to early IL-1β release, subsequently inducing PMVECs injury and release of the proinflammatory cytokines IL-6 and TNF-α, ultimately leading to PMVECs barrier dysfunction and ALI.
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242
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Watthanasakphuban N, Srila P, Pinmanee P, Sompinit K, Rattanaporn K, Peterbauer C. Development of high cell density Limosilactobacillus reuteri KUB-AC5 for cell factory using oxidative stress reduction approach. Microb Cell Fact 2023; 22:86. [PMID: 37120528 PMCID: PMC10149017 DOI: 10.1186/s12934-023-02076-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 03/31/2023] [Indexed: 05/01/2023] Open
Abstract
BACKGROUND Expression systems for lactic acid bacteria have been developed for metabolic engineering applications as well as for food-grade recombinant protein production. But the industrial applications of lactic acid bacteria as cell factories have been limited due to low biomass formation resulted in low efficiency of biomanufacturing process. Limosilactobacillus reuteri KUB-AC5 is a safe probiotic lactic acid bacterium that has been proven as a gut health enhancer, which could be developed as a mucosal delivery vehicle for vaccines or therapeutic proteins, or as expression host for cell factory applications. Similar to many lactic acid bacteria, its oxygen sensitivity is a key factor that limits cell growth and causes low biomass production. The aim of this study is to overcome the oxidative stress in L. reuteri KUB-AC5. Several genes involved in oxidative and anti-oxidative stress were investigated, and strain improvement for higher cell densities despite oxidative stress was performed using genetic engineering. RESULTS An in-silico study showed that L. reuteri KUB-AC5 genome possesses an incomplete respiratory chain lacking four menaquinone biosynthesis genes as well as a complete biosynthesis pathway for the production of the precursor. The presence of an oxygen consuming enzyme, NADH oxidase (Nox), leads to high ROS formation in aerobic cultivation, resulting in strong growth reduction to approximately 25% compared to anaerobic cultivation. Recombinant strains expressing the ROS scavenging enzymes Mn-catalase and Mn-superoxide dismutase were successfully constructed using the pSIP expression system. The Mn-catalase and Mn-SOD-expressing strains produced activities of 873 U/ml and 1213 U/ml and could minimize the ROS formation in the cell, resulting in fourfold and sevenfold higher biomass formation, respectively. CONCLUSIONS Expression of Mn-catalase and Mn-SOD in L. reuteri KUB-AC5 successfully reduced oxidative stress and enhanced growth. This finding could be applied for other lactic acid bacteria that are subject to oxidative stress and will be beneficial for applications of lactic acid bacteria for cell factory applications.
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Affiliation(s)
- Nisit Watthanasakphuban
- Department of Biotechnology, Faculty of Agro-Industry, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand.
| | - Pimsiriya Srila
- Department of Biotechnology, Faculty of Agro-Industry, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand
| | - Phitsanu Pinmanee
- Enzyme Technology Research Team, National Center of Genetic Engineering and Biotechnology (BIOTEC), Pathum Thani, 12120, Thailand
| | - Kamonwan Sompinit
- Department of Food Sciences and Technology, BOKU-University of Natural Resources and Life Sciences, 1190, Vienna, Austria
| | - Kittipong Rattanaporn
- Fermentation Technology Research Center, Department of Biotechnology, Faculty of Agro-Industry, Kasetsart University, Bangkok, 10900, Thailand
| | - Clemens Peterbauer
- Department of Food Sciences and Technology, BOKU-University of Natural Resources and Life Sciences, 1190, Vienna, Austria.
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243
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Zhong Z, Zhang C, Ni S, Ma M, Zhang X, Sang W, Lv T, Qian Z, Yi C, Yu B. NFATc1-mediated expression of SLC7A11 drives sensitivity to TXNRD1 inhibitors in osteoclast precursors. Redox Biol 2023; 63:102711. [PMID: 37148740 PMCID: PMC10184050 DOI: 10.1016/j.redox.2023.102711] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 04/21/2023] [Indexed: 05/08/2023] Open
Abstract
Excess osteoclast activity is found in many bone metabolic diseases, and inhibiting osteoclast differentiation has proven to be an effective strategy. Here, we revealed that osteoclast precursors (pre-OCs) were more susceptible to thioredoxin reductase 1 (TXNRD1) inhibitors than bone marrow-derived monocytes (BMDMs) during receptor activator of nuclear factor kappa B ligand (RANKL)-mediated osteoclastogenesis. Mechanistically, we found that nuclear factor of activated T-cells 1 (NFATc1) upregulated solute carrier family 7 member 11 (SLC7A11) expression through transcriptional regulation during RANKL-induced osteoclastogenesis. During TXNRD1 inhibition, the rate of intracellular disulfide reduction is significantly reduced. Increased cystine transport leads to increased cystine accumulation, which leads to increased cellular disulfide stress and disulfidptosis. We further demonstrated that SLC7A11 inhibitors and treatments that prevent disulphide accumulation could rescue this type of cell death, but not the ferroptosis inhibitors (DFO, Ferro-1), the ROS scavengers (Trolox, Tempol), the apoptosis inhibitor (Z-VAD), the necroptosis inhibitor (Nec-1), or the autophagy inhibitor (CQ). An in vivo study indicated that TXNRD1 inhibitors increased bone cystine content, reduced the number of osteoclasts, and alleviated bone loss in an ovariectomized (OVX) mouse model. Together, our findings demonstrate that NFATc1-mediated upregulation of SLC7A11 induces targetable metabolic sensitivity to TXNRD1 inhibitors during osteoclast differentiation. Moreover, we innovatively suggest that TXNRD1 inhibitors, a classic drug for osteoclast-related diseases, selectively kill pre-OCs by inducing intracellular cystine accumulation and subsequent disulfidptosis.
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Affiliation(s)
- Zeyuan Zhong
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China; Shanghai Medical College, Fudan University, Shanghai, China
| | - Chongjing Zhang
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China; Shanghai Medical College, Fudan University, Shanghai, China
| | - Shuo Ni
- Department of Orthopedic Surgery and Shanghai Institute of Microsurgery on Extremities, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Miao Ma
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Xiaomeng Zhang
- Renal Medicine and Baxter Novum, CLINTEC, Karolinska Institutet, Stockholm, Sweden
| | - Weicong Sang
- Shanghai Medical College, Fudan University, Shanghai, China
| | - Tao Lv
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Zhi Qian
- Institution of Orthopaedic Diseases, Zhangye People's Hospital Affiliated to Hexi University, Zhangye, China.
| | - Chengqing Yi
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China.
| | - Baoqing Yu
- Department of Orthopedics, Shanghai Pudong New Area People's Hospital, Shanghai, China.
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244
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Wei L, Hongping H, Chufang L, Cuomu M, Jintao L, Kaiyin C, Lvyi C, Weiwu C, Zuguang Y, Nanshan Z. Effects of Shiwei Longdanhua formula on LPS induced airway mucus hypersecretion, cough hypersensitivity, oxidative stress and pulmonary inflammation. Biomed Pharmacother 2023; 163:114793. [PMID: 37121151 DOI: 10.1016/j.biopha.2023.114793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/14/2023] [Accepted: 04/24/2023] [Indexed: 05/02/2023] Open
Abstract
Shiwei Longdanhua Granule (SWLDH) is a classic Tibetan medicine (TM) ranking in the top 20 Chinese patent medicines in prescription rate to treat respiratory diseases like pneumonia, acute and chronic tracheobronchitis, acute exacerbation of COPD and bronchial asthma in solution of inflammation, cough and phlegm obstruction in clinical practice. However, its systematic pharmacological mechanisms have not been elucidated yet. Here, we studied the therapeutic efficacy of SWLDH in treatment of acute respiratory diseases in BALB/c mice by comprehensive analysis of airway inflammation, oxidative stress, mucus hypersecretion, cough hypersensitivities and indicators associated with the development of chronic diseases. Our results show that SWLDH might exhibit its inhibitory effects on pulmonary inflammation by interference with arachidonic acid (AA) metabolism pathways. Oxidative stress that highly related to the degree of tissue injury could be alleviated by enhancing the reductive activities of glutathione redox system, thioredoxin system and the catalytic activities of catalase and superoxide dismutase (SOD) after SWLDH treatment. In addition, SWLDH could significantly abrogate the mucus hypersecretion induced bronchiole obstruction by inactivate the globlet cells and decrease the secretion of gel-forming mucins (MUC5AC and MUC5B) under pathological condition, demonstrating its mucoactive potency. SWLDH also showed reversed effects on the release of neuropeptides that are responsible for airway sensory hypersensitivity. Simultaneously observed inhibition of calcium influx, reduction in in vivo biosynthesis of acetylcholine and the recovery of the content of cyclic adenosine monophosphate (cAMP) might collaboratively contribute to cause airway smooth muscle cells (ASMCs) relexation. These findings indicated that SWLDH might exhibited antitussive potency via suppression of the urge to cough and ASMCs contraction. Moreover, SWLDH might affect airway remodeling. We found SWLDH could retard the elevation of TGF-β1 and α-SMA, which are important indicators for hyperplasia and contraction during the progression of the chronic airway inflammatory diseases like COPD and asthma.
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Affiliation(s)
- Liu Wei
- Guangzhou Laboratory, Guangzhou, China; State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Hou Hongping
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | | | - Mingji Cuomu
- The University of Tibetan Medicine, Lhasa, China
| | - Li Jintao
- Beijing International Science and Technology Cooperation Base of Antivirus Drug, Beijing University of Technology, Beijing, China
| | - Cai Kaiyin
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China; Tibet Cheezheng Tibet Medicine Co.,Ltd., Beijing, China
| | - Chen Lvyi
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan, China
| | - Chen Weiwu
- Tibet Cheezheng Tibet Medicine Co.,Ltd., Beijing, China
| | - Ye Zuguang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China.
| | - Zhong Nanshan
- Guangzhou Laboratory, Guangzhou, China; State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China.
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ElSayed MH, Elbayoumi KS, Eladl MA, Mohamed AAK, Hegazy A, El-Sherbeeny NA, Attia MA, Hisham FA, Saleh MAK, Elaskary A, Morsi K, Mustsafa AMA, Enan ET, Zaitone SA. Memantine mitigates ROS/TXNIP/NLRP3 signaling and protects against mouse diabetic retinopathy: Histopathologic, ultrastructural and bioinformatic studies. Biomed Pharmacother 2023; 163:114772. [PMID: 37116352 DOI: 10.1016/j.biopha.2023.114772] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/17/2023] [Accepted: 04/22/2023] [Indexed: 04/30/2023] Open
Abstract
Diabetic retinopathy (DRET) triggers vision loss in adults, however, little therapeutic options are existing. Memantine is an anti-Alzheimer drug that antagonizes the activity of glutamate at N-methyl-D-aspartate (NMDA) receptors. Glutamate and thioredoxin-interacting protein (TXNIP) are known to be overexpressed in diabetic retinas and can produce activation of NOD-like receptor protein 3 (NLRP3) with subsequent secretion of interlukin-1β. This study repurposed memantine for its neuroprotective effect in experimental DRET and tested its impact on ROS/TXNIP/NLRP3. In addition, KEGG pathway database and STRING database identified the protein-protein interaction between glutamate receptors and TXNIP/NLRP3. Male Swiss albino mice received alloxan (180 mg/kg) to induce DRET. After 9 weeks, we divided the mice into groups: (a) saline, (ii) DRET, (iii and iv) DRET + oral memantine (5 or 10 mg per kg) for 28 days. Then, mice were euthanized, and eyeballs were removed. Retinal samples were utilized for biochemical, histopathological, and electron microscopy studies. Retinal levels of glutamate, TXNIP, NLRP3 and interlukin-1β were estimated using ELISA technique as well as retinal malondialdehyde. Histopathological and ultrastructural examination demonstrated that oral memantine attenuated vacuolization and restored normal retinal cell layers. Moreover, memantine reduced TXNIP, NLRP3, interleukin-1β and MDA concentrations. These results provide evidence demonstrating memantine' efficacy in alleviating DRET via suppressing reactive oxygen species/TXNIP/NLRP3 signaling cascade. Therefore, memantine might serve as a potential therapy for retinopathy after adequate clinical research.
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Affiliation(s)
- Mohammed H ElSayed
- Department of Physiology, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
| | - Khaled S Elbayoumi
- Department of Human Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt; Department of Basic medical Sciences, Ibn Sina University for Medical Sciences, Amman 16197, Jordan
| | - Mohamed Ahmed Eladl
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Abeer A K Mohamed
- Department of Histology and Cell Biology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Ann Hegazy
- Department of Clinical Pathology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Nagla A El-Sherbeeny
- Department of Clinical Pharmacology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Mohammed A Attia
- Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt; Department of Basic medical sciences, College of Medicine, AlMaarefa University, 71666, Riyadh 11597, Saudi Arabia
| | - Fatma Azzahraa Hisham
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mohamed A K Saleh
- Ophthalmology Department, Al-Asher Asyut Faculty of Medicine for Men, Asyut, Egypt
| | - Abdelhakeem Elaskary
- Ophthalmology Department, Al-Asher Asyut Faculty of Medicine for Men, Asyut, Egypt
| | - Khaled Morsi
- Department of Anesthesia Technology, College of Applied Medical Sciences in Jubail, Imam Abdulrahman Bin Faisal University, Jubail 35811, Saudi Arabia.
| | - Amna M A Mustsafa
- Department of Pediatric Nursing, Jazan University, Jazan 45142, Saudi Arabia
| | - Eman T Enan
- Department of Basic medical sciences, College of Medicine, AlMaarefa University, 71666, Riyadh 11597, Saudi Arabia; Department of Pathology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Sawsan A Zaitone
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt.
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246
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Ayilam Ramachandran R, Sanches JM, Robertson DM. The roles of autophagy and mitophagy in corneal pathology: current knowledge and future perspectives. Front Med (Lausanne) 2023; 10:1064938. [PMID: 37153108 PMCID: PMC10160402 DOI: 10.3389/fmed.2023.1064938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 01/16/2023] [Indexed: 05/09/2023] Open
Abstract
The cornea is the clear dome that covers the front portion of the globe. The primary functions of the cornea are to promote the refraction of light and to protect the eye from invading pathogens, both of which are essential for the preservation of vision. Homeostasis of each cellular layer of the cornea requires the orchestration of multiple processes, including the ability to respond to stress. One mechanism whereby cells respond to stress is autophagy, or the process of "self-eating." Autophagy functions to clear damaged proteins and organelles. During nutrient deprivation, amino acids released from protein breakdown via autophagy are used as a fuel source. Mitophagy, a selective form of autophagy, functions to clear damaged mitochondria. Thus, autophagy and mitophagy are important intracellular degradative processes that sustain tissue homeostasis. Importantly, the inhibition or excessive activation of these processes result in deleterious effects on the cell. In the eye, impairment or inhibition of these mechanisms have been associated with corneal disease, degenerations, and dystrophies. This review summarizes the current body of knowledge on autophagy and mitophagy at all layers in the cornea in both non-infectious and infectious corneal disease, dystrophies, and degenerations. It further highlights the critical gaps in our understanding of mitochondrial dysfunction, with implications for novel therapeutics in clinical practice.
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Affiliation(s)
| | - Jose Marcos Sanches
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Danielle M Robertson
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States
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Cheff DM, Huang C, Scholzen KC, Gencheva R, Ronzetti MH, Cheng Q, Hall MD, Arnér ESJ. The ferroptosis inducing compounds RSL3 and ML162 are not direct inhibitors of GPX4 but of TXNRD1. Redox Biol 2023; 62:102703. [PMID: 37087975 PMCID: PMC10149367 DOI: 10.1016/j.redox.2023.102703] [Citation(s) in RCA: 50] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/15/2023] [Accepted: 04/16/2023] [Indexed: 04/25/2023] Open
Abstract
Ferroptosis is defined as cell death triggered by iron-dependent lipid peroxidation that is preventable by antioxidant compounds such as ferrostatin-1. Endogenous suppressors of ferroptosis include FSP-1 and the selenoprotein GPX4, the latter of which directly enzymatically reduces lipid hydroperoxides. Small molecules that trigger ferroptosis include RSL3, ML162, and ML210; these compounds are often used in studies of ferroptosis and are generally considered as GPX4 inhibitors. Here, we found that RSL3 and ML162 completely lack capacity of inhibiting the enzymatic activity of recombinant selenoprotein GPX4. Surprisingly, these compounds were instead found to be efficient inhibitors of another selenoprotein, TXNRD1. Other known inhibitors of TXNRD1, including auranofin, TRi-1 and TRi-2, are also efficient inducers of cell death but that cell death could not be suppressed with ferrostatin-1. Our results collectively suggest that prior studies using RSL3 and ML162 may need to be reevaluated in the context of ferroptosis with regards to additional enzyme targets and mechanisms of action that may be involved.
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Affiliation(s)
- Dorian M Cheff
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 77, Stockholm, Sweden; Early Translation Branch, National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, 20850, United States
| | - Chuying Huang
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 77, Stockholm, Sweden
| | - Karoline C Scholzen
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 77, Stockholm, Sweden
| | - Radosveta Gencheva
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 77, Stockholm, Sweden
| | - Michael H Ronzetti
- Early Translation Branch, National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, 20850, United States
| | - Qing Cheng
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 77, Stockholm, Sweden
| | - Matthew D Hall
- Early Translation Branch, National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, 20850, United States
| | - Elias S J Arnér
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 77, Stockholm, Sweden; Department of Selenoprotein Research and the National Tumor Biology Laboratory, National Institute of Oncology, Budapest, Hungary.
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248
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Belenichev IF, Aliyeva OG, Popazova OO, Bukhtiyarova NV. Involvement of heat shock proteins HSP70 in the mechanisms of endogenous neuroprotection: the prospect of using HSP70 modulators. Front Cell Neurosci 2023; 17:1131683. [PMID: 37138769 PMCID: PMC10150069 DOI: 10.3389/fncel.2023.1131683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/28/2023] [Indexed: 05/05/2023] Open
Abstract
This analytical review summarizes literature data and our own research on HSP70-dependent mechanisms of neuroprotection and discusses potential pharmacological agents that can influence HSP70 expression to improve neurological outcomes and effective therapy. The authors formed a systemic concepts of the role of HSP70-dependent mechanisms of endogenous neuroprotection aimed at stopping the formation of mitochondrial dysfunction, activation of apoptosis, desensitization of estrogen receptors, reduction of oxidative and nitrosative stress, prevention of morpho-functional changes in brain cells during cerebral ischemia, and experimentally substantiated new target links for neuroprotection. Heat shock proteins (HSPs) are an evolutionarily integral part of the functioning of all cells acting as intracellular chaperones that support cell proteostasis under normal and various stress conditions (hyperthermia, hypoxia, oxidative stress, radiation, etc.). The greatest curiosity in conditions of ischemic brain damage is the HSP70 protein, as an important component of the endogenous neuroprotection system, which, first of all, performs the function of intracellular chaperones and ensures the processes of folding, holding and transport of synthesized proteins, as well as their degradation, both under normoxic conditions and stress-induced denaturation. A direct neuroprotective effect of HSP70 has been established, which is realized through the regulation the processes of apoptosis and cell necrosis due to a long-term effect on the synthesis of antioxidant enzymes, chaperone activity, and stabilization of active enzymes. An increase in the level of HSP70 leads to the normalization of the glutathione link of the thiol-disulfide system and an increase in the resistance of cells to ischemia. HSP 70 is able to activate and regulate compensatory ATP synthesis pathways during ischemia. It was found that in response to the cerebral ischemia formation, HIF-1a is expressed, which initiates the launch of compensatory mechanisms for energy production. Subsequently, the regulation of these processes switches to HSP70, which "prolongs" the action of HIF-1a, and also independently maintains the expression of mitochondrial NAD-dependent malate dehydrogenase activity, thereby maintaining the activity of the malate-aspartate shuttle mechanism for a long time. During ischemia of organs and tissues, HSP70 performs a protective function, which is realized through increased synthesis of antioxidant enzymes, stabilization of oxidatively damaged macromolecules, and direct anti-apoptotic and mitoprotective action. Such a role of these proteins in cellular reactions during ischemia raises the question of the development of new neuroprotective agents which are able to provide modulation/protection of the genes encoding the synthesis of HSP 70 and HIF-1a proteins. Numerous studies of recent years have noted the important role of HSP70 in the implementation of the mechanisms of metabolic adaptation, neuroplasticity and neuroprotection of brain cells, so the positive modulation of the HSP70 system is a perspective concept of neuroprotection, which can improve the efficiency of the treatment of ischemic-hypoxic brain damage and be the basis for substantiating of the feasibility of using of HSP70 modulators as promising neuroprotectors.
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Affiliation(s)
- Igor F. Belenichev
- Department of Pharmacology and Medical Formulation With Course of Normal Physiology, Zaporizhzhia State Medical University, Zaporizhzhia, Ukraine
| | - Olena G. Aliyeva
- Department of Medical Biology, Parasitology and Genetics, Zaporizhzhia State Medical University, Zaporizhzhia, Ukraine
| | - Olena O. Popazova
- Department of Histology, Cytology and Embryology, Zaporizhzhia State Medical University, Zaporizhzhia, Ukraine
| | - Nina V. Bukhtiyarova
- Department of Clinical Laboratory Diagnostics, Zaporizhzhia State Medical University, Zaporizhzhia, Ukraine
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249
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Wang B, Zhang P, Wang Q, Zou S, Song J, Zhang F, Liu G, Zhang L. Protective Effects of a Jellyfish-Derived Thioredoxin Fused with Cell-Penetrating Peptide TAT-PTD on H 2O 2-Induced Oxidative Damage. Int J Mol Sci 2023; 24:ijms24087340. [PMID: 37108504 PMCID: PMC10138494 DOI: 10.3390/ijms24087340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/03/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
Thioredoxin (Trx) plays a critical role in maintaining redox balance in various cells and exhibits anti-oxidative, anti-apoptotic, and anti-inflammatory effects. However, whether exogenous Trx can inhibit intracellular oxidative damage has not been investigated. In previous study, we have identified a novel Trx from the jellyfish Cyanea capillata, named CcTrx1, and confirmed its antioxidant activities in vitro. Here, we obtained a recombinant protein, PTD-CcTrx1, which is a fusion of CcTrx1 and protein transduction domain (PTD) of HIV TAT protein. The transmembrane ability and antioxidant activities of PTD-CcTrx1, and its protective effects against H2O2-induced oxidative damage in HaCaT cells were also detected. Our results revealed that PTD-CcTrx1 exhibited specific transmembrane ability and antioxidant activities, and it could significantly attenuate the intracellular oxidative stress, inhibit H2O2-induced apoptosis, and protect HaCaT cells from oxidative damage. The present study provides critical evidence for application of PTD-CcTrx1 as a novel antioxidant to treat skin oxidative damage in the future.
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Affiliation(s)
- Bo Wang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
- Department of Infectious Disease, No. 971 Hospital of the PLA Navy, Qingdao 266071, China
| | - Peipei Zhang
- Department of Marine Biological Injury and Dermatology, Naval Special Medical Center, Naval Medical University, Shanghai 200052, China
| | - Qianqian Wang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Shuaijun Zou
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Juxingsi Song
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Fuhai Zhang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Guoyan Liu
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Liming Zhang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
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250
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Damiani E, Sella F, Astolfi P, Galeazzi R, Carnevali O, Maradonna F. First In Vivo Insights on the Effects of Tempol-Methoxycinnamate, a New UV Filter, as Alternative to Octyl Methoxycinnamate, on Zebrafish Early Development. Int J Mol Sci 2023; 24:ijms24076767. [PMID: 37047738 PMCID: PMC10094805 DOI: 10.3390/ijms24076767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/31/2023] [Accepted: 04/01/2023] [Indexed: 04/14/2023] Open
Abstract
The demand for organic UV filters as active components in sunscreen products has rapidly risen over the last century, as people have gradually realized the hazards of overexposure to UV radiation. Their extensive usage has resulted in their ubiquitous presence in different aquatic matrices, representing a potential threat to living organisms. In this context, the need to replace classic UV filters such as octyl methoxycinnamate (OMC), one of the most popular UV filters reported to be a potential pollutant of aquatic ecosystems, with more environmentally friendly ones has emerged. In this study, using zebrafish, the first in vivo results regarding the effect of exposure to tempol-methoxycinnamate (TMC), a derivative of OMC, are reported. A comparative study between TMC and OMC was performed, analyzing embryos exposed to similar TMC and OMC concentrations, focusing on morphological and molecular changes. While both compounds seemed not to affect hatching and embryogenesis, OMC exposure caused an increase in endoplasmic reticulum (ER) stress response genes, according to increased eif2ak3, ddit3, nrf2, and nkap mRNA levels and in oxidative stress genes, as observed from modulation of the sod1, sod2, gpr, and trx mRNA levels. On the contrary, exposure to TMC led to reduced toxicity, probably due to the presence of the nitroxide group in the compound's molecular structure responsible for antioxidant activity. In addition, both UV filters were docked with estrogen and androgen receptors where they acted differently, in agreement with the molecular analysis that showed a hormone-like activity for OMC but not for TMC. Overall, the results indicate the suitability of TMC as an alternative, environmentally safer UV filter.
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Affiliation(s)
- Elisabetta Damiani
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Fiorenza Sella
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Paola Astolfi
- Department of Science and Engineering of Materials, Environment and Urban Planning, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Roberta Galeazzi
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Oliana Carnevali
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Francesca Maradonna
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
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