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Guo Y, Liu W, Xiao D, Zhang S, Li Z, Luo K, Luo G, Tan H. A novel multitrophic biofloc technology for duckweed and Megalobrama amblycephala integrated culture: Improving nutrient utilization and animal welfare. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 934:173239. [PMID: 38750742 DOI: 10.1016/j.scitotenv.2024.173239] [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: 01/26/2024] [Revised: 05/07/2024] [Accepted: 05/12/2024] [Indexed: 05/20/2024]
Abstract
Biofloc technology (BFT) is an eco-friendly aquaculture model that utilizes zero-exchange water. In this study, we investigated the integration of duckweed into BFT in an effort to enhance nitrogen, phosphorus, and carbon utilization and to improve animal welfare for cultivating Megalobrama amblycephala. The experiment spanned 75 days, comparing a group of M. amblycephala supplemented with duckweed (DM) to a control group (CG) with no supplementation, where duckweed consumption relied solely on the feeding behavior of the fish. The concentrations of nitrate, total nitrogen, and phosphorus accumulation were lower in the DM than in the CG from day 45 onwards, with differences of 16.19, 26.90, and 1.45 mg/L, respectively, at the end of the experiment. The DM showed simultaneous increases of 5.77, 11.20, and 5.07 % in the absolute utilization of nitrogen, phosphorus, and carbon, respectively. The abundance of TM7a (10.27 %), linked to nitrate absorption, became the dominant genus in the water of the DM. Additionally, the abundance of Cetobacterium, associated with carbohydrate digestion, was significantly higher in gut of the DM (23.83 %) than in the gut of CG (1.24 %, P < 0.05). Supplementing the diet of M. amblycephala with duckweed improved digestion and antioxidant enzyme activity. Transcriptome data showed that duckweed supplementation resulted in an increase in the expression of genes related to protein digestion and absorption and carbohydrate metabolism in M. amblycephala, and analysis of the significantly enriched pathways further supported improved antioxidant capacity. Based on the above results, we concluded that as M. amblycephala consumes more duckweed, the differences in nitrogen and phosphorus levels between the DM and CG would continue to increase, along with a simultaneous increase in fixed carbon. Thus, this study achieved the goal of recycling BFT resources and improving animal welfare by integrating duckweed.
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Affiliation(s)
- Yanshuo Guo
- Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, 201306 Shanghai, China
| | - Wenchang Liu
- Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, 201306 Shanghai, China; China-ASEAN Belt and Road Joint Laboratory on Mariculture Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-culture of Aquaculture Animals, 201306 Shanghai, China,.
| | - Dingdong Xiao
- Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, 201306 Shanghai, China
| | - Sihui Zhang
- College of Food Science & Technology, Shanghai Ocean University, 201306 Shanghai, China
| | - Zhifan Li
- Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, 201306 Shanghai, China
| | - Kunfeng Luo
- Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, 201306 Shanghai, China
| | - Guozhi Luo
- Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, 201306 Shanghai, China; China-ASEAN Belt and Road Joint Laboratory on Mariculture Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-culture of Aquaculture Animals, 201306 Shanghai, China
| | - Hongxin Tan
- Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, 201306 Shanghai, China; China-ASEAN Belt and Road Joint Laboratory on Mariculture Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-culture of Aquaculture Animals, 201306 Shanghai, China,.
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Morgenstern C, Lastres-Becker I, Demirdöğen BC, Costa VM, Daiber A, Foresti R, Motterlini R, Kalyoncu S, Arioz BI, Genc S, Jakubowska M, Trougakos IP, Piechota-Polanczyk A, Mickael M, Santos M, Kensler TW, Cuadrado A, Copple IM. Biomarkers of NRF2 signalling: Current status and future challenges. Redox Biol 2024; 72:103134. [PMID: 38643749 PMCID: PMC11046063 DOI: 10.1016/j.redox.2024.103134] [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: 02/16/2024] [Accepted: 03/24/2024] [Indexed: 04/23/2024] Open
Abstract
The cytoprotective transcription factor NRF2 regulates the expression of several hundred genes in mammalian cells and is a promising therapeutic target in a number of diseases associated with oxidative stress and inflammation. Hence, an ability to monitor basal and inducible NRF2 signalling is vital for mechanistic understanding in translational studies. Due to some caveats related to the direct measurement of NRF2 levels, the modulation of NRF2 activity is typically determined by measuring changes in the expression of one or more of its target genes and/or the associated protein products. However, there is a lack of consensus regarding the most relevant set of these genes/proteins that best represents NRF2 activity across cell types and species. We present the findings of a comprehensive literature search that according to stringent criteria identifies GCLC, GCLM, HMOX1, NQO1, SRXN1 and TXNRD1 as a robust panel of markers that are directly regulated by NRF2 in multiple cell and tissue types. We assess the relevance of these markers in clinically accessible biofluids and highlight future challenges in the development and use of NRF2 biomarkers in humans.
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Affiliation(s)
- Christina Morgenstern
- Department of Otorhinolaryngology, Medical University of Vienna, General Hospital of Vienna, Waehringer Guertel 18-20, A-1090, Vienna, Austria; Institute of Molecular Biosciences, University of Graz, Humboldtstraße 50, A-8010, Graz, Austria
| | - Isabel Lastres-Becker
- Department of Biochemistry, School of Medicine, Universidad Autónoma de Madrid (UAM), Spain; Instituto de Investigación Sanitaria La Paz (IdiPaz), Instituto de Investigaciones Biomédicas "Sols-Morreale" UAM-CSIC, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Spain
| | - Birsen Can Demirdöğen
- Department of Biomedical Engineering, TOBB University of Economics and Technology, Ankara, Turkey
| | - Vera Marisa Costa
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Porto, Portugal; UCIBIO - Applied Molecular Biosciences Unit, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Andreas Daiber
- Department of Cardiology 1, University Medical Center of the Johannes Gutenberg University, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Roberta Foresti
- University Paris-Est Créteil, INSERM, IMRB, F-94010, Créteil, France
| | | | | | - Burak I Arioz
- Izmir Biomedicine and Genome Center, Izmir, Turkey; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey
| | - Sermin Genc
- Izmir Biomedicine and Genome Center, Izmir, Turkey; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey; Department of Neuroscience, Health Sciences Institute, Dokuz Eylul University, Izmir, Turkey
| | - Monika Jakubowska
- Malopolska Centre of Biotechnology, Jagiellonian University, ul. Gronostajowa 7a, 30-387, Krakow, Poland
| | - Ioannis P Trougakos
- Department of Cell Biology and Biophysics, Faculty of Biology, National and Kapodistrian University of Athens, Athens, 15784, Greece
| | | | - Michel Mickael
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Postępu 36A, 05-552, Garbatka, Poland
| | - Marlene Santos
- REQUIMTE/LAQV, Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 4200-072, Porto, Portugal
| | - Thomas W Kensler
- Translational Research Program, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Antonio Cuadrado
- Department of Biochemistry, School of Medicine, Universidad Autónoma de Madrid (UAM), Spain; Instituto de Investigación Sanitaria La Paz (IdiPaz), Instituto de Investigaciones Biomédicas "Sols-Morreale" UAM-CSIC, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Spain
| | - Ian M Copple
- Department of Pharmacology & Therapeutics, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, L69 3GE, UK.
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Metabolic landscape in cardiac aging: insights into molecular biology and therapeutic implications. Signal Transduct Target Ther 2023; 8:114. [PMID: 36918543 PMCID: PMC10015017 DOI: 10.1038/s41392-023-01378-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 02/06/2023] [Accepted: 02/20/2023] [Indexed: 03/16/2023] Open
Abstract
Cardiac aging is evident by a reduction in function which subsequently contributes to heart failure. The metabolic microenvironment has been identified as a hallmark of malignancy, but recent studies have shed light on its role in cardiovascular diseases (CVDs). Various metabolic pathways in cardiomyocytes and noncardiomyocytes determine cellular senescence in the aging heart. Metabolic alteration is a common process throughout cardiac degeneration. Importantly, the involvement of cellular senescence in cardiac injuries, including heart failure and myocardial ischemia and infarction, has been reported. However, metabolic complexity among human aging hearts hinders the development of strategies that targets metabolic susceptibility. Advances over the past decade have linked cellular senescence and function with their metabolic reprogramming pathway in cardiac aging, including autophagy, oxidative stress, epigenetic modifications, chronic inflammation, and myocyte systolic phenotype regulation. In addition, metabolic status is involved in crucial aspects of myocardial biology, from fibrosis to hypertrophy and chronic inflammation. However, further elucidation of the metabolism involvement in cardiac degeneration is still needed. Thus, deciphering the mechanisms underlying how metabolic reprogramming impacts cardiac aging is thought to contribute to the novel interventions to protect or even restore cardiac function in aging hearts. Here, we summarize emerging concepts about metabolic landscapes of cardiac aging, with specific focuses on why metabolic profile alters during cardiac degeneration and how we could utilize the current knowledge to improve the management of cardiac aging.
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Diao H, Gu H, Chen QM. Hyperkalemic or Low Potassium Cardioplegia Protects against Reduction of Energy Metabolism by Oxidative Stress. Antioxidants (Basel) 2023; 12:452. [PMID: 36830011 PMCID: PMC9952220 DOI: 10.3390/antiox12020452] [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: 12/12/2022] [Revised: 01/17/2023] [Accepted: 02/04/2023] [Indexed: 02/15/2023] Open
Abstract
Open-heart surgery is often an unavoidable option for the treatment of cardiovascular disease and prevention of cardiomyopathy. Cardiopulmonary bypass surgery requires manipulating cardiac contractile function via the perfusion of a cardioplegic solution. Procedure-associated ischemia and reperfusion (I/R) injury, a major source of oxidative stress, affects postoperative cardiac performance and long-term outcomes. Using large-scale liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based metabolomics, we addressed whether cardioplegic solutions affect the baseline cellular metabolism and prevent metabolic reprogramming by oxidative stress. AC16 cardiomyocytes in culture were treated with commonly used cardioplegic solutions, High K+ (HK), Low K+ (LK), Del Nido (DN), histidine-tryptophan-ketoglutarate (HTK), or Celsior (CS). The overall metabolic profile shown by the principal component analysis (PCA) and heatmap revealed that HK or LK had a minimal impact on the baseline 78 metabolites, whereas HTK or CS significantly repressed the levels of multiple amino acids and sugars. H2O2-induced sublethal mild oxidative stress causes decreases in NAD, nicotinamide, or acetylcarnitine, but increases in glucose derivatives, including glucose 6-P, glucose 1-P, fructose, mannose, and mannose 6-P. Additional increases include metabolites of the pentose phosphate pathway, D-ribose-5-P, L-arabitol, adonitol, and xylitol. Pretreatment with HK or LK cardioplegic solution prevented most metabolic changes and increases of reactive oxygen species (ROS) elicited by H2O2. Our data indicate that HK and LK cardioplegic solutions preserve baseline metabolism and protect against metabolic reprogramming by oxidative stress.
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Affiliation(s)
- Hongting Diao
- Department of Pharmacy Practice and Science, College of Pharmacy, The University of Arizona, Tucson, AZ 85721, USA
| | - Haiwei Gu
- College of Health Solutions, Arizona State University Phoenix, Phoenix, AZ 85004, USA
- Center for Translational Science, Florida International University, 11350 SW Village Parkway, Port St. Lucie, FL 34987, USA
| | - Qin M. Chen
- Department of Pharmacy Practice and Science, College of Pharmacy, The University of Arizona, Tucson, AZ 85721, USA
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