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Yang Y, Chen Q, Fan S, Lu Y, Huang Q, Liu X, Peng X. Glutamine sustains energy metabolism and alleviates liver injury in burn sepsis by promoting the assembly of mitochondrial HSP60-HSP10 complex via SIRT4 dependent protein deacetylation. Redox Rep 2024; 29:2312320. [PMID: 38329114 PMCID: PMC10854458 DOI: 10.1080/13510002.2024.2312320] [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] [Indexed: 02/09/2024] Open
Abstract
Burns and burn sepsis, characterized by persistent and profound hypercatabolism, cause energy metabolism dysfunction that worsens organ injury and systemic disorders. Glutamine (Gln) is a key nutrient that remarkably replenishes energy metabolism in burn and sepsis patients, but its exact roles beyond substrate supply is unclear. In this study, we demonstrated that Gln alleviated liver injury by sustaining energy supply and restoring redox balance. Meanwhile, Gln also rescued the dysfunctional mitochondrial electron transport chain (ETC) complexes, improved ATP production, reduced oxidative stress, and protected hepatocytes from burn sepsis injury. Mechanistically, we revealed that Gln could activate SIRT4 by upregulating its protein synthesis and increasing the level of Nicotinamide adenine dinucleotide (NAD+), a co-enzyme that sustains the activity of SIRT4. This, in turn, reduced the acetylation of shock protein (HSP) 60 to facilitate the assembly of the HSP60-HSP10 complex, which maintains the activity of ETC complex II and III and thus sustain ATP generation and reduce reactive oxygen species release. Overall, our study uncovers a previously unknown pharmacological mechanism involving the regulation of HSP60-HSP10 assembly by which Gln recovers mitochondrial complex activity, sustains cellular energy metabolism and exerts a hepato-protective role in burn sepsis.
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Affiliation(s)
- Yongjun Yang
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Qian Chen
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Shijun Fan
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Yongling Lu
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Qianyin Huang
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Xin Liu
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Xi Peng
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
- State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), ChongqingPeople’s Republic of China
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2
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Wang J, Jiang Y, Zhu C, Liu Z, Qi L, Ding H, Wang J, Huang Y, Li Y, Song Y, Feng G, Zhang L, Liu L. Mitochondria-engine with self-regulation to restore degenerated intervertebral disc cells via bioenergetic robust hydrogel design. Bioact Mater 2024; 40:1-18. [PMID: 38873262 PMCID: PMC11167444 DOI: 10.1016/j.bioactmat.2024.05.044] [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: 12/19/2023] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/15/2024] Open
Abstract
Previous studies have confirmed that intervertebral disc degeneration (IDD) is closely associated with inflammation-induced reactive oxygen species (ROS) and resultant cell mitochondrial membrane potential (MMP) decline. Clearance of ROS in an inflammatory environment is essential for breaking the vicious cycle of MMP decline. Additionally, re-energizing the mitochondria damaged in the inflammatory milieu to restore their function, is equally important. Herein, we proposed an interesting concept of mitochondrion-engine equipped with coolant, which enables first to "cool-down" the inflammatory environment, next to restore the MMP, finally to allow cells to regain normal energy metabolism through materials design. As such, we developed a multi-functional composite composed of a reactive oxygen species (ROS)-responsive sodium alginate/gelatin hydrogel infused into a rigid 3D-printed thermoplastic polyurethane (TPU) scaffold. The TPU scaffold was coated with conductive polypyrrole (PPy) to electrophoretically deposit l-arginine, which could upregulate the Mammalian target of rapamycin (mTOR) pathway, thus increasing MMP and energy metabolism to stimulate extracellular matrix synthesis for IVD repair. While the ROS-responsive hydrogel acting as the "mito-engine coolant" could scavenge the excessive ROS to create a favorable environment for IVD cells recovery. Demonstrated by in vitro and in vivo evaluations, the mito-engine system markedly promoted the proliferation and collagen synthesis of nucleus pulposus cells while enhancing the mitochondrial respiration and MMP under oxidative stress. Radiological and histological assessments in vivo revealed the efficacy of this system in IVD repair. This unique bioinspired design integrated biomaterial science with mitochondrial biology, presents a promising paradigm for IDD treatment.
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Affiliation(s)
| | | | - Ce Zhu
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Zheng Liu
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Lin Qi
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Hong Ding
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Jing Wang
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Yong Huang
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Yubao Li
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Yueming Song
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Ganjun Feng
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Li Zhang
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Limin Liu
- Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610065, China
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Zhang C, Guo M, Kong Y, Zhang J, Wang J, Sun S, Li X, Zeng X, Gong H, Fan X. Antifungal mechanism of phenyllactic acid against Mucor investigated through proteomic analysis. Food Chem 2024; 452:139525. [PMID: 38718453 DOI: 10.1016/j.foodchem.2024.139525] [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: 01/07/2024] [Revised: 04/24/2024] [Accepted: 04/28/2024] [Indexed: 06/01/2024]
Abstract
The primary inhibitory targets of phenyllactic acid (PLA, including D-PLA and L-PLA) on Mucor were investigated using Mucor racemosus LD3.0026 isolated from naturally spoiled cherry, as an indicator fungi. The results demonstrated that the minimum inhibitory concentration (MIC) of PLA against Mucor was 12.5 mmol·L-1. Results showed that the growing cells at the tip of the Mucor were not visibly deformed, and there was no damage to the cell wall following PLA treatment; however, PLA damaged the cell membrane and internal structure. The results of isobaric tags for relative and absolute quantification (iTRAQ) indicated that the Mucor mitochondrial respiratory chain may be the target of PLA, potentially inhibiting the energy supply of Mucor. These results indicate that the antifungal mechanism of PLA against mold is independent of its molecular configuration. The growth of Mucor is suppressed by PLA, which destroys the organelle structure in the mycelium and inhibits energy metabolism.
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Affiliation(s)
- Chaoqi Zhang
- College of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Food Green Processing and Quality Control, Ludong University, Yantai, Shandong 264025, PR China
| | - Mingmei Guo
- Mudan District Mudan Street Sub-district Office, Heze, Shandong 274000, PR China
| | - Yanhui Kong
- Yantai Landscape Construction and Maintenance Center, Yantai, Shandong 264000, PR China
| | - Juanyue Zhang
- College of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Food Green Processing and Quality Control, Ludong University, Yantai, Shandong 264025, PR China
| | - Jingyue Wang
- College of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Food Green Processing and Quality Control, Ludong University, Yantai, Shandong 264025, PR China
| | - Shuyang Sun
- College of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Food Green Processing and Quality Control, Ludong University, Yantai, Shandong 264025, PR China
| | - Xiulian Li
- College of Pharmacy, Binzhou Medical University, Yantai, Shandong 264003, PR China
| | - Xiangquan Zeng
- Department of Food Science, College of Agriculture, Purdue University, West Lafayette 47906, IN, USA
| | - Hansheng Gong
- College of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Food Green Processing and Quality Control, Ludong University, Yantai, Shandong 264025, PR China.
| | - Xinguang Fan
- College of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Food Green Processing and Quality Control, Ludong University, Yantai, Shandong 264025, PR China.
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Queirós V, Azeiteiro UM, Santos JL, Alonso E, Soares AMVM, Barata C, Freitas R. Unravelling biochemical responses in the species Mytilus galloprovincialis exposed to the antineoplastics ifosfamide and cisplatin under different temperature scenarios. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 943:173668. [PMID: 38839013 DOI: 10.1016/j.scitotenv.2024.173668] [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: 04/26/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/07/2024]
Abstract
This study investigates the chronic impact of two of the most widely consumed antineoplastic drugs, Ifosfamide (IF) and Cisplatin (CDDP), on the bivalve species Mytilus galloprovincialis under current (17 °C) and predicted warming conditions (21 °C). Accompanying the expected increase in worldwide cancer incidence, antineoplastics detection in the aquatic environment is also expected to rise. Mussels were exposed to varying concentrations of IF (10, 100, 500 ng/L) and CDDP (10, 100, 1000 ng/L) for 28 days. Biochemical analyses focused on metabolic, antioxidant and biotransformation capacities, cellular damage, and neurotoxicity. Results showed temperature-dependent variations in biochemical responses. Metabolic capacity remained stable in mussels exposed to IF, while CDDP exposure increased it at 1000 ng/L for both temperatures. Antioxidant enzyme activities were unaffected by IF, but CDDP activated them, particularly at 21 °C. Biotransformation capacity was unchanged by IF but enhanced by CDDP. Nevertheless, cellular damage occurred at CDDP concentrations above 100 ng/L, regardless of temperature. Integrated biomarker responses highlighted CDDP's greater impact, emphasizing the critical role of temperature in shaping organismal responses and underscoring the complexity of environmental stressor interactions.
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Affiliation(s)
- Vanessa Queirós
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Ulisses M Azeiteiro
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Juan Luis Santos
- Departamento de Química Analítica, Escuela Politécnica Superior, Universidad de Sevilla, C/ Virgen de África 7, 41011 Sevilla, Spain
| | - Esteban Alonso
- Departamento de Química Analítica, Escuela Politécnica Superior, Universidad de Sevilla, C/ Virgen de África 7, 41011 Sevilla, Spain
| | - Amadeu M V M Soares
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Carlos Barata
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, C/ Jordi Girona 18, 08034 Barcelona, Spain
| | - Rosa Freitas
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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5
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He X, Wang L, Tao J, Han L, Wang H, Zhao X, Zuo J, Zheng Y. High‑oxygen-modified atmospheric packaging delays flavor and quality deterioration in fresh-cut broccoli. Food Chem 2024; 450:139517. [PMID: 38703670 DOI: 10.1016/j.foodchem.2024.139517] [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: 02/27/2024] [Revised: 04/05/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
The purpose of this study was to investigate the impact of high‑oxygen-modified atmospheric packaging (HOMAP) on aroma changes in fresh-cut broccoli during storage and to explore its regulatory mechanisms. The results showed that HOMAP reduced the levels of undesirable aroma substances hexanoic acid, isobutyric acid, cyclopentanone and increased glucosinolate accumulation by inhibiting the expression of arogenate/prephenate dehydratase (ADT), bifunctional aspartate aminotransferase and glutamate/aspartate-prephenate aminotransferase (PAT), thiosulfate/3-mercaptopyruvate Transferase (TST) to reduce the odor of fresh-cut broccoli. HOMAP inhibited the expression of respiratory metabolism related genes 6-phosphate fructokinase 1 (PFK), pyruvate kinase (PK), and NADH-ubiquinone oxidoreductase chain 6 (ND6). In HOMAP group, the low expression of phospholipase C (PLC), phospholipase A1 (PLA1), linoleate 9S-lipoxygenase 1 (LOX1) related to lipid metabolism and the high expression of naringenin 3-dioxygenase (F3H), trans-4-Hydroxycinnamate (C4H), glutaredoxin 3 (GRX3), and thioredoxin 1 (TrX1) in the antioxidant system maintained membrane stability while reducing the occurrence of membrane lipid peroxidation.
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Affiliation(s)
- Xuelian He
- Institute of Agri-food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, State Key Laboratory of Vegetable Biobreeding, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China; School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056107, China
| | - Lihong Wang
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056107, China
| | - Jiejie Tao
- Institute of Agri-food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, State Key Laboratory of Vegetable Biobreeding, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China
| | - Lichun Han
- Institute of Agri-food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, State Key Laboratory of Vegetable Biobreeding, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China; School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056107, China
| | - Hongwei Wang
- Institute of Agri-food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, State Key Laboratory of Vegetable Biobreeding, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China
| | - Xiaoyan Zhao
- Institute of Agri-food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, State Key Laboratory of Vegetable Biobreeding, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China
| | - Jinhua Zuo
- Institute of Agri-food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, State Key Laboratory of Vegetable Biobreeding, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China.
| | - Yanyan Zheng
- Institute of Agri-food Processing and Nutrition, Beijing Academy of Agricultural and Forestry Sciences, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Vegetable Postharvest Processing of Ministry of Agriculture and Rural Areas, State Key Laboratory of Vegetable Biobreeding, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China.
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6
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Yuan M, Chen G, Xiao Y, Qu Y, Ren Y. The mechanisms of yeast extracellular metabolites in stimulating microbial degradation of trichloroethylene: Physiological characteristics and omics analysis. ENVIRONMENTAL RESEARCH 2024; 255:119193. [PMID: 38777296 DOI: 10.1016/j.envres.2024.119193] [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: 03/21/2024] [Revised: 05/16/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
The biodegradation of Trichloroethylene (TCE) is limited by low microbial metabolic capacity but can be enhanced through biostimulation strategies. This study explored the physiological effects and potential molecular mechanisms of the yeast Yarrowia lipolytica extracellular metabolites (YEMs) on the degradation of TCE by Acinetobacter LT1. Results indicated that YEMs stimulated the efficiency of strain LT1 by 50.28%. At the physiological level, YEMs exhibited protective effects on cell morphology, reduced oxidative stress, lessened membrane damage, and enhanced energy production and conversion. Analysis of omics results revealed that the regulation of various metabolic pathways by YEMs improved the degradation of TCE. Furthermore, RT-qPCR showed that the genes encoding YhhW protein in TCE stress and YEMs stimulation groups were 1.72 and 3.22 times the control group, respectively. Molecular docking results showed that the conformation of YhhW after binding to TCE changed into a more active form, which enhanced enzyme activity. Therefore, it is speculated that YhhW is the primary degradative enzyme involved in the process of YEMs stimulating strain LT1 to degrade TCE. These results reveal how YEMs induce strain LT1 to enhance TCE degradation.
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Affiliation(s)
- Meng Yuan
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Guotao Chen
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Yibo Xiao
- Protoga Biotechnology Co., Ltd., Shenzhen 518000, China; Microalgae Biosynthesis R&D Center, Research Institute of Tsinghua University in Shenzhen, Shenzhen 518057, China
| | - Yujiao Qu
- Protoga Biotechnology Co., Ltd., Shenzhen 518000, China; Microalgae Biosynthesis R&D Center, Research Institute of Tsinghua University in Shenzhen, Shenzhen 518057, China
| | - Yuan Ren
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, China; The Key Laboratory of Environmental Protection and Eco-Remediation of Guangdong Regular Higher Education Institutions, Guangzhou 510006, China.
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7
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Zhang WY, Xue MQ, Tang Y, Wang T, Wang XZ, Zhang JJ. AMPK regulates immature boar Sertoli cell proliferation through affecting CDK4/Cyclin D3 pathway and mitochondrial function. Theriogenology 2024; 224:9-18. [PMID: 38714024 DOI: 10.1016/j.theriogenology.2024.05.004] [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: 06/16/2023] [Revised: 05/02/2024] [Accepted: 05/03/2024] [Indexed: 05/09/2024]
Abstract
Sertoli cell (SC) proliferation plays an important role in sperm production and quality; however, the regulatory mechanism of SC proliferation is not well understood. This study investigated the role of adenosine monophosphate-activated protein kinase (AMPK) in the regulation of immature boar SC activity. Cell counting kit-8, Seahorse XFe96, mitochondrial respiratory enzyme-related assay kits, and transmission electron microscopy were used to detect SC proliferative viability, oxygen consumption rate (OCR), mitochondrial respiratory enzyme activity, and the ultrastructure of primary cultured SCs in vitro from the testes of 21-day-old boars. A dual luciferase reporter assay was performed to determine the miRNA-mRNA target interaction. Western blotting was used to analyze cell proliferation-related protein expression of p38, p21, proliferating cell nuclear antigen (PCNA), Cyclin-dependent kinase 4 (CDK4), Cyclin D3, and phosphorylated retinoblastoma protein (Rb). Each experiment had a completely randomized design, with three replicates in each experiment. The results showed that the AMPK inhibitor (Compound C, 20 μM-24 h) increased cell proliferation viability, ATP production, and maximal respiration of SCs by 0.64-, 0.12-, and 0.08-fold (p < 0.05), respectively; increased the SC protein expression of PCNA, CDK4, Cyclin D3, and p-Rb by 0.13-, 0.09-, 0.88-, and 0.12-fold (p < 0.05), respectively; and decreased the SC protein expression of p38 and p21 by 0.36- and 0.27-fold (p < 0.05), respectively. The AMPK agonist AICAR (2 mM-6 h) significantly inhibited SC ultrastructure, OCR, mitochondrial respiratory enzyme activity, and cell proliferation-related protein levels. AMPK was validated to be a target gene of miR-1285 based on the result in which the miR-1285 mimic inhibited the luciferase activity of wild-type AMPK by 0.54-fold (p < 0.001). MiR-1285 mimic promoted the OCR of SCs, with 0.45-, 0.15-, 0.21-, and 0.30-fold (p < 0.01) increases in ATP production, basal and maximal respiration, and spare capacity, respectively. MiR-1285 mimic increased the mitochondrial respiratory enzyme activity of SCs, with 0.63-, 0.70-, and 0.97-fold (p < 0.01) increases in NADH-Q oxidoreductase, cytochrome c oxidase, and ATP synthase, respectively. Moreover, the miR-1285 mimic increased the protein expression of PCNA, CDK4, Cyclin D3, and p-Rb by 0.24-, 0.30-, 0.22-, and 0.13-fold (p < 0.05), respectively, and reduced the protein expression of p38 and p21 by 0.58- and 0.66-fold (p < 0.001). MiR-1285 inhibitor showed opposite effects on the above indicators and induced numerous autophagosomes and large lipid droplets in SCs. A high dose of estradiol (10 μM-6 h, showed a promotion of AMPK activation in a previous study) significantly inhibited SC ultrastructure, mitochondrial function, and proliferation-related pathways, while these adverse effects were weakened by Compound C treatment or miR-1285 mimic transfection. Our findings suggest that the activation and inhibition of AMPK induced by specific drugs or synthesized targeted miRNA fragments could regulate immature boar SC proliferative activity by influencing the CDK4/Cyclin D3 pathway and mitochondrial function; this helps to provide a basis for the prevention and treatment of male sterility in clinical practice.
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Affiliation(s)
- Wen Yu Zhang
- Chongqing Key Laboratory of Forage and Herbivore, College of Veterinary Medicine, Southwest University, Chongqing, 400715, PR China
| | - Meng Qing Xue
- Chongqing Key Laboratory of Forage and Herbivore, College of Veterinary Medicine, Southwest University, Chongqing, 400715, PR China
| | - Yao Tang
- Chongqing Key Laboratory of Forage and Herbivore, College of Veterinary Medicine, Southwest University, Chongqing, 400715, PR China
| | - Tao Wang
- Chongqing Key Laboratory of Forage and Herbivore, College of Veterinary Medicine, Southwest University, Chongqing, 400715, PR China
| | - Xian Zhong Wang
- Chongqing Key Laboratory of Forage and Herbivore, College of Veterinary Medicine, Southwest University, Chongqing, 400715, PR China
| | - Jiao Jiao Zhang
- Chongqing Key Laboratory of Forage and Herbivore, College of Veterinary Medicine, Southwest University, Chongqing, 400715, PR China.
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8
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Othonicar MF, Garcia GS, Oliveira MT. The alternative enzymes-bearing tunicates lack multiple widely distributed genes coding for peripheral OXPHOS subunits. BIOCHIMICA ET BIOPHYSICA ACTA. BIOENERGETICS 2024; 1865:149046. [PMID: 38642871 DOI: 10.1016/j.bbabio.2024.149046] [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: 09/10/2023] [Revised: 04/01/2024] [Accepted: 04/17/2024] [Indexed: 04/22/2024]
Abstract
The respiratory chain alternative enzymes (AEs) NDX and AOX from the tunicate Ciona intestinalis (Ascidiacea) have been xenotopically expressed and characterized in human cells in culture and in the model organisms Drosophila melanogaster and mouse, with the purpose of developing bypass therapies to combat mitochondrial diseases in human patients with defective complexes I and III/IV, respectively. The fact that the genes coding for NDX and AOX have been lost from genomes of evolutionarily successful animal groups, such as vertebrates and insects, led us to investigate if the composition of the respiratory chain of Ciona and other tunicates differs significantly from that of humans and Drosophila, to accommodate the natural presence of AEs. We have failed to identify in tunicate genomes fifteen orthologous genes that code for subunits of the respiratory chain complexes; all of these putatively missing subunits are peripheral to complexes I, III and IV in mammals, and many are important for complex-complex interaction in supercomplexes (SCs), such as NDUFA11, UQCR11 and COX7A. Modeling of all respiratory chain subunit polypeptides of Ciona indicates significant structural divergence that is consistent with the lack of these fifteen clear orthologous subunits. We also provide evidence using Ciona AOX expressed in Drosophila that this AE cannot access the coenzyme Q pool reduced by complex I, but it is readily available to oxidize coenzyme Q molecules reduced by glycerophosphate oxidase, a mitochondrial inner membrane-bound dehydrogenase that is not involved in SCs. Altogether, our results suggest that Ciona AEs might have evolved in a mitochondrial inner membrane environment much different from that of mammals and insects, possibly without SCs; this correlates with the preferential functional interaction between these AEs and non-SC dehydrogenases in heterologous mammalian and insect systems. We discuss the implications of these findings for the applicability of Ciona AEs in human bypass therapies and for our understanding of the evolution of animal respiratory chain.
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Affiliation(s)
- Murilo F Othonicar
- Departamento de Biotecnologia, Faculdade de Ciências Agrárias e Veterinárias de Jaboticabal, Universidade Estadual Paulista "Júlio de Mesquita Filho", Jaboticabal, SP, Brazil
| | - Geovana S Garcia
- Departamento de Biotecnologia, Faculdade de Ciências Agrárias e Veterinárias de Jaboticabal, Universidade Estadual Paulista "Júlio de Mesquita Filho", Jaboticabal, SP, Brazil
| | - Marcos T Oliveira
- Departamento de Biotecnologia, Faculdade de Ciências Agrárias e Veterinárias de Jaboticabal, Universidade Estadual Paulista "Júlio de Mesquita Filho", Jaboticabal, SP, Brazil.
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9
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Hosen MHA, Whitworth DJ, Leusch FDL, Yuen N, Bengtson Nash SM. Bioenergetic Shifts in Humpback Whale Fibroblasts Upon Chemical Exposure. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024. [PMID: 38958666 DOI: 10.1021/acs.est.3c10595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Southern Hemisphere humpback whales accumulate persistent and toxic chemicals, which are transported to Antarctica through distant sources and in situ usage. The extreme seasonal migration-associated fast of humpback whales results in the remobilization of persistent and lipophilic environmental contaminants from liberated fat stores. Mitochondria play a key role in lipid metabolism, and any disruption to mitochondrial function is expected to influence whole-organism bioenergetics. It is therefore of interest to advance understanding of the impact of known contaminants of the Antarctic sea-ice ecosystem upon humpback whale cellular bioenergetics. Using cell line-based in vitro testing, this study employed the Seahorse Extracellular Flux Analyzer to study cellular metabolic activity in live humpback whale fibroblast cells. The assay, based on oxygen consumption rate, provides insights into the cause of cellular bioenergetic disruption. Immortalized skin fibroblasts were exposed to four priority environmental chemicals found in the Antarctic sea-ice ecosystem. Our findings reveal chemical-dependent functional alterations and varying bioenergetic profile responses. Chlorpyrifos was observed to decrease mitochondrial basal oxygen consumption; dieldrin increased basal oxygen consumption; trifluralin's impact was dose-specific, and endosulfan displayed no effect. Our results provide unique insights into environmental chemical mechanisms of action on cellular bioenergetics, generating much-needed taxa-specific chemical effect data in support of evidence-based conservation policy and management.
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Affiliation(s)
- Md Hafiz All Hosen
- Centre for Planetary Health and Food Security, School of Environment and Science, Griffith University, 170 Kessels Road, Nathan, QLD 4111, Australia
| | - Deanne J Whitworth
- The School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia
| | - Frederic D L Leusch
- Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, QLD 4222, Australia
| | - Nicholas Yuen
- The School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia
| | - Susan M Bengtson Nash
- Centre for Planetary Health and Food Security, School of Environment and Science, Griffith University, 170 Kessels Road, Nathan, QLD 4111, Australia
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10
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Vilas-Boas EA, Kowaltowski AJ. Mitochondrial redox state, bioenergetics, and calcium transport in caloric restriction: A metabolic nexus. Free Radic Biol Med 2024; 219:195-214. [PMID: 38677486 DOI: 10.1016/j.freeradbiomed.2024.04.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 04/29/2024]
Abstract
Mitochondria congregate central reactions in energy metabolism, many of which involve electron transfer. As such, they are expected to both respond to changes in nutrient supply and demand and also provide signals that integrate energy metabolism intracellularly. In this review, we discuss how mitochondrial bioenergetics and reactive oxygen species production is impacted by dietary interventions that change nutrient availability and impact on aging, such as calorie restriction. We also discuss how dietary interventions alter mitochondrial Ca2+ transport, regulating both mitochondrial and cytosolic processes modulated by this ion. Overall, a plethora of literature data support the idea that mitochondrial oxidants and calcium transport act as integrating signals coordinating the response to changes in nutritional supply and demand in cells, tissues, and animals.
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Affiliation(s)
- Eloisa A Vilas-Boas
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Brazil.
| | - Alicia J Kowaltowski
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Brazil.
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11
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Wang J, Lu F, Gu S, Cao C, Xiao Y, Bao W, Wang H. Lycopene Alleviates Deoxynivalenol-induced Toxicity in Porcine Intestinal Epithelial Cells by Mediating Mitochondrial Function. Toxicology 2024:153880. [PMID: 38960307 DOI: 10.1016/j.tox.2024.153880] [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: 05/09/2024] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/05/2024]
Abstract
Deoxynivalenol (DON) is widely found in food and feed, posing a threat to human and animal health. Lycopene (Lyc) is a natural plant extracts with significant antioxidant properties. This study was conducted to investigate the protective effects of Lyc on IPEC-J2 cells upon DON exposure. The detection of cell viability and trypan blue staining showed that Lyc alleviated cell damage and decreased cell apoptotic rate induced by DON. The analysis of reactive oxygen species (ROS) level and antioxidant parameter measurements showed that Lyc significantly down-regulated the content of ROS and restored antioxidant enzyme activity. Furthermore, mitochondrial membrane potential (ΔΨm) detection, mitochondrial DNA copy number (mtDNAcn) assay and adenosine triphosphate (ATP) concentration detection showed Lyc improved mitochondrial function after DON exposure. The results of transcriptome analysis, ROS detection and CCK8 assay suggested that Lyc may activated the oxidative phosphorylation (OXPHOS) to improve mitochondrial function. Conclusively, our results suggested that Lyc alleviated DON-induced oxidative stress by improving mitochondrial function through OXPHOS signaling pathway.
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Affiliation(s)
- Jie Wang
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design, college of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
| | - Fan Lu
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design, college of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
| | - Shanshen Gu
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design, college of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
| | - Changfu Cao
- Wens Foodstuff Group Co., Ltd. Xinxing 527400, China
| | - Yeyi Xiao
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design, college of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
| | - Wenbin Bao
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design, college of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Jiangsu, Yangzhou 225009, China
| | - Haifei Wang
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design, college of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Jiangsu, Yangzhou 225009, China.
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12
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Kumari S, Singh P, Singh R. Repeated Silica exposures lead to Silicosis severity via PINK1/PARKIN mediated mitochondrial dysfunction in mice model. Cell Signal 2024; 121:111272. [PMID: 38944258 DOI: 10.1016/j.cellsig.2024.111272] [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: 04/20/2024] [Revised: 06/11/2024] [Accepted: 06/22/2024] [Indexed: 07/01/2024]
Abstract
BACKGROUND AND OBJECTIVES Silicosis, one of the occupational health illnesses is caused by inhalation of crystalline silica. Deposition of extracellular matrix and fibroblast proliferation in lungs are linked to silicosis development. Mitochondrial dysfunction plays critical role in some diseases, but how these processes progress and regulated in silicosis, remains limited. Detailed study of silica induced pulmonary fibrosis in mouse model, its progression and severity may be helpful in designing future therapeutic strategies. METHODS In present study, mice model of silicosis has been developed after repeated silica exposures which may closely resemble clinical symptoms of silicosis in human. In addition to efficiently mimicking the acute/chronic transformation processes of silicosis, this is practical and efficient in terms of time and output, which avoids mechanical injury to the upper respiratory tract due to surgical interventions. Sonicated sterile silica suspension (120 mg/kg) was administered through intranasal route thrice a week at regular intervals (21, 28 and 35 days). RESULTS Presence of minute to larger silicotic nodules in H&E-stained lung sections were observed in all silica induced model groups. Enhanced ECM deposition was noted in MT stained lung sections of silica exposure groups as compared to control which were confirmed by significantly higher MMP9 expression levels and hydroxyproline content in silica 35 days group. Increase in Reactive oxygen species (ROS), inflammatory cell recruitment mainly, neutrophils and macrophage were observed in all three silica exposure groups. Transmission electron microscopic analysis has confirmed presence of many aberrant shaped mitochondria (swollen, round shape) in 35 days model where autophagosomes were minimum. Western blot analysis of mitophagy and autophagy markers such as Pink1, Parkin, Cytochrome c, SQSTM1/p62, the ratio of light chain LC3B II/LC3B I was found higher in 21 and 28 days which were significantly reduced in 35 days silica model. CONCLUSIONS Higher MMP9 activity and MMP9 /TIMP1 ratio demonstrate excessive extracellular matrix damage and deposition in 35 days model. Significantly reduced expressions of autophagy and mitophagy markers have also confirmed progression in fibrosis severity and its association with repeated silica exposures in 35 days model group.
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Affiliation(s)
- Sneha Kumari
- Department of Zoology, MMV, Banaras Hindu University, Varanasi 221005, India
| | - Payal Singh
- Department of Zoology, MMV, Banaras Hindu University, Varanasi 221005, India
| | - Rashmi Singh
- Department of Zoology, MMV, Banaras Hindu University, Varanasi 221005, India.
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Yuan C, Zhou K, Pan X, Wang D, Zhang C, Lin Y, Chen Z, Qin J, Du X, Huang Y. Comparative physiological, biochemical and transcriptomic analyses to reveal potential regulatory mechanisms in response to starvation stress in Cipangopaludina chinensis. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2024; 52:101279. [PMID: 38941864 DOI: 10.1016/j.cbd.2024.101279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 06/03/2024] [Accepted: 06/14/2024] [Indexed: 06/30/2024]
Abstract
Cipangopaludina chinensis, as a financially significant species in China, represents a gastropod in nature which frequently encounters starvation stress owing to its limited prey options. However, the underlying response mechanisms to combat starvation have not been investigated in depth. We collected C. chinensis under several times of starvation stress (0, 7, 30, and 60 days) for nutrient, biochemical characteristics and transcriptome analyses. The results showed that prolonged starvation stress (> 30 days) caused obvious fluctuations in the nutrient composition of snails, with dramatic reductions in body weight, survival and digestive enzyme activity (amylase, protease, and lipase), and markedly enhanced the antioxidant enzyme activities of the snails. Comparative transcriptome analyses revealed 3538 differentially expressed genes (DEGs), which were significantly associated with specific starvation stress-responsive pathways, including oxidative phosphorylation and alanine, aspartate, and glutamate metabolism. Then, we identified 40 candidate genes (e.g., HACD2, Cp1, CYP1A2, and GPX1) response to starvation stress through STEM and WGCNA analyses. RT-qPCR verified the accuracy and reliability of the high-throughput sequencing results. This study provides insights into snail overwintering survival and the potential regulatory mechanisms of snail adaptation to starvation stress.
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Affiliation(s)
- Chang Yuan
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China
| | - Kangqi Zhou
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China
| | - Xianhui Pan
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China.
| | - Dapeng Wang
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China.
| | - Caiqun Zhang
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China
| | - Yong Lin
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China
| | - Zhong Chen
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China
| | - Junqi Qin
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China
| | - Xuesong Du
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China
| | - Yin Huang
- Guangxi Academy of Fishery Sciences, Key Laboratory of Aquatic Genetic Breeding and Healthy Farming in Guangxi, Nanning, Guangxi 530021, China
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14
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Hu Y, Zhang Y, Guo J, Chen S, Jin J, Li P, Pan Y, Lei S, Li J, Wu S, Bu B, Fu L. Synthesis and anti-proliferative effect of novel 4-Aryl-1, 3-Thiazole-TPP conjugates via mitochondrial uncoupling process. Bioorg Chem 2024; 150:107588. [PMID: 38936051 DOI: 10.1016/j.bioorg.2024.107588] [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: 05/11/2024] [Revised: 06/18/2024] [Accepted: 06/22/2024] [Indexed: 06/29/2024]
Abstract
With the advent of mitochondrial targeting moiety such as triphenlyphosphonium cation (TPP+), targeting mitochondria in cancer cells has become a promising strategy for combating tumors. Herein, a series of novel 4-aryl-1,3-thiazole derivatives linked to TPP+ moiety were designed and synthesized. The cytotoxicity against a panel of four cancer cell lines was evaluated by CCK-8 assay. Most of these compounds exhibited moderate to good inhibitory activity over HeLa, PC-3 and HCT-15 cells while MCF-7 cells were less sensitive to most compounds. Among them, compound 12a exhibited a significant anti-proliferative activity against HeLa cells, and prompted for further investigation. Specifically, 12a decreased mitochondrial membrane potential and enhanced levels of reactive oxygen species (ROS). The flow cytometry analysis revealed that compound 12a could induce apoptosis and cell cycle arrest at G0/G1 phase in HeLa cells. In addition, mitochondrial bioenergetics assay revealed that 12a displayed mild mitochondrial uncoupling effect. Taken together, these findings suggest the therapeutic potential of compound 12a as an antitumor agent targeting mitochondria.
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Affiliation(s)
- Yixin Hu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Yang Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Jie Guo
- Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Shihao Chen
- Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Jie Jin
- Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Pengyu Li
- Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Yuchen Pan
- Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Shuwen Lei
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Jiaqi Li
- Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Suheng Wu
- Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Buzhou Bu
- Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Lei Fu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China; Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China.
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15
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Dai K, Wang Z, Gao B, Li L, Gu F, Tao X, You W, Wang Z. APE1 regulates mitochondrial DNA damage repair after experimental subarachnoid haemorrhage in vivo and in vitro. Stroke Vasc Neurol 2024; 9:230-242. [PMID: 37612054 PMCID: PMC11221324 DOI: 10.1136/svn-2023-002524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 08/09/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND Subarachnoid haemorrhage (SAH) can result in a highly unfavourable prognosis. In recent years, the study of SAH has focused on early brain injury (EBI), which is a crucial progress that contributes to adverse prognosis. SAH can lead to various complications, including mitochondrial dysfunction and DNA damage. Apurinic/apyrimidinic endonuclease 1 (APE1) is an essential protein with multifaceted functionality integral to DNA repair and redox signalling. However, the role of APE1 in mitochondrial DNA damage repair after SAH is still unclear. METHODS Our study involved an in vivo endovascular perforation model in rats and an in vitro neuron oxyhaemoglobin intervention. Then, the effects of APE1 on mitochondrial DNA damage repair were analysed by western blot, immunofluorescence, quantitative real-time PCR, mitochondrial bioenergetics measurement and neurobehavioural experiments. RESULTS We found that the level of APE1 decreased while the mitochondria DNA damage and neuronal death increased in a rat model of SAH. Overexpression of APE1 improved short-term and long-term behavioural impairment in rats after SAH. In vitro, after primary neurons exposed to oxyhaemoglobin, APE1 expression significantly decreased along with increased mitochondrial DNA damage, a reduction in the subunit of respiratory chain complex levels and subsequent respiratory chain dysfunction. Overexpression of APE1 relieved energy metabolism disorders in the mitochondrial of neurons and reduced neuronal apoptosis. CONCLUSION In conclusion, APE1 is involved in EBI after SAH by affecting mitochondrial apoptosis via the mitochondrial respiratory chain. APE1 may potentially play a vital role in the EBI stage after SAH, making it a critical target for treatment.
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Affiliation(s)
- Kun Dai
- Department of Neurosurgery & Brain and Nerve Research Laboratory, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Stroke Research, Soochow University, Suzhou, Jiangsu, China
| | - Zongqi Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Stroke Research, Soochow University, Suzhou, Jiangsu, China
| | - Bixi Gao
- Department of Neurosurgery & Brain and Nerve Research Laboratory, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Stroke Research, Soochow University, Suzhou, Jiangsu, China
| | - Longyuan Li
- Department of Neurosurgery & Brain and Nerve Research Laboratory, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Stroke Research, Soochow University, Suzhou, Jiangsu, China
| | - Feng Gu
- Department of Neurosurgery & Brain and Nerve Research Laboratory, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Stroke Research, Soochow University, Suzhou, Jiangsu, China
| | - Xinyu Tao
- Department of Neurosurgery & Brain and Nerve Research Laboratory, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Stroke Research, Soochow University, Suzhou, Jiangsu, China
| | - Wanchun You
- Department of Neurosurgery & Brain and Nerve Research Laboratory, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Stroke Research, Soochow University, Suzhou, Jiangsu, China
| | - Zhong Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Stroke Research, Soochow University, Suzhou, Jiangsu, China
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16
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Gowans FA, Thach DQ, Zhu Z, Wang Y, Altamirano Poblano BE, Dovala D, Tallarico JA, McKenna JM, Schirle M, Maimone TJ, Nomura DK. Ophiobolin A Covalently Targets Mitochondrial Complex IV Leading to Metabolic Collapse in Cancer Cells. ACS Chem Biol 2024; 19:1260-1270. [PMID: 38739449 DOI: 10.1021/acschembio.4c00064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Ophiobolin A (OPA) is a sesterterpenoid fungal natural product with broad anticancer activity. While OPA possesses multiple electrophilic moieties that can covalently react with nucleophilic amino acids on proteins, the proteome-wide targets and mechanism of OPA remain poorly understood in many contexts. In this study, we used covalent chemoproteomic platforms to map the proteome-wide reactivity of the OPA in a highly sensitive lung cancer cell line. Among several proteins that OPA engaged, we focused on two targets: lysine-72 of cytochrome c oxidase subunit 5A (COX5A) and cysteine-53 of mitochondrial hypoxia induced gene 1 domain family member 2A (HIGD2A). These two subunit proteins are part of complex IV (cytochrome C oxidase) within the electron transport chain and contributed significantly to the antiproliferative activity of OPA. OPA activated mitochondrial respiration in a COX5A- and HIGD2A-dependent manner, leading to an initial spike in mitochondrial ATP and heightened mitochondrial oxidative stress. OPA compromised mitochondrial membrane potential, ultimately leading to ATP depletion. We have used chemoproteomic strategies to discover a unique anticancer mechanism of OPA through activation of complex IV leading to compromised mitochondrial energetics and rapid cell death.
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Affiliation(s)
- Flor A Gowans
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
- Innovative Genomics Institute, Berkeley, California 94704, United States
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720 United States
| | - Danny Q Thach
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
| | - Zhouyang Zhu
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
| | - Yangzhi Wang
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
- Innovative Genomics Institute, Berkeley, California 94704, United States
- Novartis Institutes for BioMedical Research, Basel CH-4056, Switzerland
| | - Belen E Altamirano Poblano
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
- Innovative Genomics Institute, Berkeley, California 94704, United States
- Novartis Institutes for BioMedical Research, Basel CH-4056, Switzerland
| | - Dustin Dovala
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Emeryville, California 94608, United States
| | - John A Tallarico
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139, United States
| | - Jeffrey M McKenna
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Basel CH-4056, Switzerland
| | - Markus Schirle
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139, United States
| | - Thomas J Maimone
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
| | - Daniel K Nomura
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Translational Chemical Biology Institute, Berkeley, California 94720, United States
- Innovative Genomics Institute, Berkeley, California 94704, United States
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720 United States
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Mallick K, Paul S, Banerjee S, Banerjee S. Lipid Droplets and Neurodegeneration. Neuroscience 2024; 549:13-23. [PMID: 38718916 DOI: 10.1016/j.neuroscience.2024.04.014] [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: 03/01/2024] [Revised: 04/19/2024] [Accepted: 04/25/2024] [Indexed: 05/15/2024]
Abstract
Energy metabolism in the brain has been considered one of the critical research areas of neuroscience for ages. One of the most vital parts of brain metabolism cascades is lipid metabolism, and fatty acid plays a crucial role in this process. The fatty acid breakdown process in mitochondria undergoes through a conserved pathway known as β-oxidation where acetyl-CoA and shorter fatty acid chains are produced along with a significant amount of energy molecule. Further, the complete breakdown of fatty acids occurs when they enter the mitochondrial oxidative phosphorylation. Cells store energy as neutral lipids in organelles known as Lipid Droplets (LDs) to prepare for variations in the availability of nutrients. Fatty acids are liberated by lipid droplets and are transported to various cellular compartments for membrane biogenesis or as an energy source. Current research shows that LDs are important in inflammation, metabolic illness, and cellular communication. Lipid droplet biology in peripheral organs like the liver and heart has been well investigated, while the brain's LDs have received less attention. Recently, there has been increased awareness of the existence and role of these dynamic organelles in the central nervous system, mainly connected to neurodegeneration. In this review, we discussed the role of beta-oxidation and lipid droplet formation in the oxidative phosphorylation process, which directly affects neurodegeneration through various pathways.
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Affiliation(s)
- Keya Mallick
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Kolkata, India.
| | - Shuchismita Paul
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Kolkata, India.
| | - Sayani Banerjee
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Kolkata, India.
| | - Sugato Banerjee
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Kolkata, India.
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18
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Zhihui Y, Jiahui W, Zhao T, Wang L, Liang T, Zheng Y. Mitochondrial structure and function: a new direction for the targeted treatment of chronic liver disease with Chinese herbal medicine. JOURNAL OF ETHNOPHARMACOLOGY 2024:118461. [PMID: 38908494 DOI: 10.1016/j.jep.2024.118461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 06/10/2024] [Accepted: 06/13/2024] [Indexed: 06/24/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Excessive fat accumulation, biological clock dysregulation , viral infections, and sustained inflammatory responses can lead to liver inflammation, fibrosis, and cancer, thus promoting the development of chronic liver disease. A comprehensive understanding of the etiological factors leading to chronic liver disease and the intrinsic mechanisms influencing its onset and progression can aid in identifying potential targets for targeted therapy. Mitochondria, as key organelles that maintain the metabolic homeostasis of the liver, provide an important foundation for exploring therapeutic targets for chronic liver disease. Recent studies have shown that active ingredients in herbal medicines and their natural products can modulate chronic liver disease by influencing the structure and function of mitochondria. Therefore, studying how Chinese herbs target mitochondrial structure and function to treat chronic liver diseases is of great significance. AIM OF THE STUDY Investigating the prospects of herbal medicine the Lens of chronic liver disease based on mitochondrial structure and function. MATERIALS AND METHODS A computerized search of PubMed was conducted using the keywords "mitochondrial structure", "mitochondrial function", "mitochondria and chronic liver disease", "botanicals, mitochondria and chronic liver disease".Data from the Web of Science and Science Direct databases were also included. The research findings regarding herbal medicines targeting mitochondrial structure and function for the treatment of chronic liver disease are summarized. RESULTS A computerized search of PubMed using the keywords "mitochondrial structure", "mitochondrial function", "mitochondria and chronic liver disease", "phytopharmaceuticals, mitochondria, and chronic liver disease", as well as the Web of Science and Science Direct databases was conducted to summarize information on studies of mitochondrial structure- and function-based Chinese herbal medicines for the treatment of chronic liver disease and to suggest that the effects of herbal medicines on mitochondrial division and fusion.The study suggested that there is much room for research on the influence of Chinese herbs on mitochondrial division and fusion. CONCLUSIONS Targeting mitochondrial structure and function is crucial for herbal medicine to combat chronic liver disease.
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Affiliation(s)
- Yang Zhihui
- Department of Medicine, Faculty of Chinese Medicine Science Guangxi University of Chinese Medicine, Nanning, Guangxi 530222, China
| | - Wang Jiahui
- Department of Medicine, Faculty of Chinese Medicine Science Guangxi University of Chinese Medicine, Nanning, Guangxi 530222, China
| | - Tiejian Zhao
- Department of Medicine, Faculty of Chinese Medicine Science Guangxi University of Chinese Medicine, Nanning, Guangxi 530222, China
| | - Lei Wang
- Department of Medicine, Faculty of Chinese Medicine Science Guangxi University of Chinese Medicine, Nanning, Guangxi 530222, China
| | - Tianjian Liang
- Department of Medicine, Faculty of Chinese Medicine Science Guangxi University of Chinese Medicine, Nanning, Guangxi 530222, China.
| | - Yang Zheng
- Department of Medicine, Faculty of Chinese Medicine Science Guangxi University of Chinese Medicine, Nanning, Guangxi 530222, China.
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19
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Lin YC, Lu M, Cai W, Hu WS. Comparative transcriptomic and proteomic kinetic analysis of adeno-associated virus production systems. Appl Microbiol Biotechnol 2024; 108:385. [PMID: 38896252 PMCID: PMC11186941 DOI: 10.1007/s00253-024-13203-5] [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: 02/29/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024]
Abstract
Recombinant adeno-associated virus (rAAV) is a major gene delivery vehicle. We have constructed a stable rAAV producer cell line by integrating essential rAAV genome, viral and helper genes into the genome of HEK293 cell under the control of inducible promoters. Upon induction, the cell line produces transducing rAAV. To gain insight into enhancing rAAV productivity and vector quality, we performed a comparative transcriptomic and proteomic analysis of our synthetic cell line GX2 and two wild-type AAV (wtAAV) production systems, one by virus co-infection and the other by multi-plasmid transfection. The three systems had different kinetics in viral component synthesis but generated comparable copies of AAV genomes; however, the capsid titer of GX2 was an order of magnitude lower compared to those two wtAAV systems, indicating that its capsid production may be insufficient. The genome packaging efficiency was also lower in GX2 despite it produced higher levels of Rep52 proteins than either wtAAV systems, suggesting that Rep52 protein expression may not limit genome packaging. In the two wtAAV systems, VP were the most abundant AAV proteins and their levels continued to increase, while GX2 had high level of wasteful cargo gene expression. Furthermore, upregulated inflammation, innate immune responses, and MAPK signaling, as well as downregulated mitochondrial functions, were commonly observed in either rAAV or wtAAV systems. Overall, this comparative multi-omics study provided rich insights into host cell and viral factors that are potential targets for genetic and process intervention to enhance the productivity of synthetic rAAV producer cell lines. KEY POINTS: • wtAAV infection was more efficient in producing full viral particles than the synthetic cell GX2. • Capsid protein synthesis, genome replication, and packaging may limit rAAV production in GX2. • wtAAV infection and rAAV production in GX2 elicited similar host cell responses.
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Affiliation(s)
- Yu-Chieh Lin
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue S.E, Minneapolis, MN, 55455-0132, USA
| | - Min Lu
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue S.E, Minneapolis, MN, 55455-0132, USA
| | - Wen Cai
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue S.E, Minneapolis, MN, 55455-0132, USA
| | - Wei-Shou Hu
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue S.E, Minneapolis, MN, 55455-0132, USA.
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20
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Li X, Shen Y, Li D, Zhang K, Liu J, Yao L, Yang J, Qian J. PEG300 Protects Mitochondrial Function By Upregulating PGC-1α to Delay Central Nervous System Oxygen Toxicity in Mice. Neurotox Res 2024; 42:30. [PMID: 38884699 DOI: 10.1007/s12640-024-00708-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 04/04/2024] [Accepted: 06/01/2024] [Indexed: 06/18/2024]
Abstract
Central nervous system oxygen toxicity (CNS-OT) is a complication of hyperbaric oxygen (HBO) treatment, with limited prevention and treatment options available. In this study, we aimed to explore the effect of polyethylene glycol 300 (PEG300) on CNS-OT and underlying mechanisms. Motor and cognitive functions of mice in normobaric conditions were evaluated by Morris water maze, passive active avoidance, and rotarod tests. HBO was applied at 6 atmospheres absolute (ATA) for 30 min after drug administration. The latency period of convulsion in mice was recorded, and hippocampal tissues were extracted for biochemical experiments. Our experimental results showed that PEG300 extended the convulsion latencies in CNS-OT mice, reduced oxidative stress and inflammation levels in hippocampal tissues. Furthermore, PEG300 preserved mitochondrial integrity and maintained mitochondrial membrane potential in hippocampal tissue by upregulating Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha (PGC-1α). This protective effect was enhanced following the administration of ZLN005, an agonist of PGC-1a. Hence, our study suggests that PEG300 might exert protective effects by upregulating PGC-1α expression and preserving mitochondrial health, offering promising prospects for CNS-OT treatment.
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Affiliation(s)
- Xin Li
- Department of Pharmacy, The First Affiliated Hospital (Changhai Hospital), Naval Medical University, Shanghai, China
| | - Yue Shen
- Department of Pharmacy, The First Affiliated Hospital (Changhai Hospital), Naval Medical University, Shanghai, China
| | - Dan Li
- Naval Medical University, Shanghai, China
| | - Kun Zhang
- Department of Diving and Hyperbaric Medicine, Naval Special Medicine Center, Naval Medical University, Shanghai, China
| | - Jia Liu
- Department of Dermatology, The First Affiliated Hospital (Changhai Hospital), Naval Medical University, Shanghai, China
| | - Lu Yao
- Department of Obstetrics and Gynecology, People's Hospital of Rugao City, Rugao, China
| | - Jun Yang
- Department of Orthopedics, The Second Affiliated Hospital (Changzheng Hospital), Naval Medical University, Shanghai, China.
| | - Jiao Qian
- Department of Pharmacy, The First Affiliated Hospital (Changhai Hospital), Naval Medical University, Shanghai, China.
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21
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Liu Y, Li S, Wang L, Zhang P, Liu T, Li X. Temperature fluctuation in soil alters the nanoplastic sensitivity in wheat. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172626. [PMID: 38657823 DOI: 10.1016/j.scitotenv.2024.172626] [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: 01/19/2024] [Revised: 03/27/2024] [Accepted: 04/17/2024] [Indexed: 04/26/2024]
Abstract
Despite the wide acknowledgment that plastic pollution and global warming have become serious agricultural concerns, their combined impact on crop growth remains poorly understood. Given the unabated megatrend, a simulated soil warming (SWT, +4 °C) microcosm experiment was carried out to provide a better understanding of the effects of temperature fluctuations on wheat seedlings exposed to nanoplastics (NPs, 1 g L-1 61.71 ± 0.31 nm polystyrene). It was documented that SWT induced oxidative stress in wheat seedlings grown in NPs-contaminated soil, with an 85.56 % increase in root activity, while decreasing plant height, fresh weight, and leaf area by 8.72 %, 47.68 %, and 15.04 % respectively. The SWT also resulted in reduced photosynthetic electron-transfer reaction and Calvin-Benson cycle in NPs-treated plants. Under NPs, SWT stimulated the tricarboxylic acid (TCA) metabolism and bio-oxidation process. The decrease in photosynthesis and the increase in respiration resulted in an 11.94 % decrease in net photosynthetic rate (Pn). These results indicated the complicated interplay between climate change and nanoplastic pollution in crop growth and underscored the potential risk of nanoplastic pollution on crop production in the future climate.
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Affiliation(s)
- Yujia Liu
- State Key Laboratory of Black Soil Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
| | - Shuxin Li
- State Key Laboratory of Black Soil Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lichun Wang
- Key Laboratory of Crop Eco-Physiology and Farming System in the Northeastern, Institute of Agricultural Resources and Environment, Ministry of Agriculture and Rural Affair, Jilin Academy of Agricultural Sciences, Changchun 130033, China.
| | - Peng Zhang
- State Key Laboratory of Black Soil Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
| | - Tianhao Liu
- State Key Laboratory of Black Soil Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; Engineering Laboratory for Eco-agriculture in Water Source of Liaoheyuan, Chinese Academy of Sciences, Changchun 130102, China
| | - Xiangnan Li
- State Key Laboratory of Black Soil Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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22
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Guo YY, Wang X, Liu F, Zhang J, Wang SS, Zhao X, Wang Z, Xu D. Adjustments in energy metabolism of brown adipose tissue in heat-acclimated Kunming mice. Comp Biochem Physiol B Biochem Mol Biol 2024; 274:111000. [PMID: 38879151 DOI: 10.1016/j.cbpb.2024.111000] [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: 04/26/2024] [Revised: 06/07/2024] [Accepted: 06/12/2024] [Indexed: 06/18/2024]
Abstract
The thermogenic capacity of brown adipose tissue (BAT) in rodents decreases with prolonged heat exposure. However, the underlying mechanisms are not well understood. In this study, Kunming mice were acclimated at 23 ± 1 °C and 33 ± 1 °C for four weeks each to examine the body heat balance and BAT alterations. Results showed that heat-acclimated Kunming mice exhibited reduced body mass and elevated body temperature. Additionally, they displayed lower resting metabolic rates, diminished non-shivering thermogenesis, and reduced BAT thermogenic function. Metabolically, there was a significant reduction in several key metabolites involved in energy metabolism in BAT, including thiamine pyrophosphate, citric acid, cis-Aconitate, isocitric acid, oxoglutaric acid, succinate, fumarate, L-Malic acid, oxaloacetate, flavin mononucleotide, nicotinamide adenine dinucleotide, and adenosine 5'-triphosphate. These findings suggest that BAT adapts to heat acclimation by regulating pathways related to pyruvate oxidation, tricarboxylic acid cycle, and oxidative phosphorylation, which may help maintain thermal homeostasis in Kunming mice.
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Affiliation(s)
- Yang-Yang Guo
- College of Life Sciences, Qufu Normal University, Qufu 273165, China
| | - Xinyue Wang
- College of Life Sciences, Qufu Normal University, Qufu 273165, China
| | - Fangyan Liu
- College of Life Sciences, Qufu Normal University, Qufu 273165, China
| | - Junyu Zhang
- College of Life Sciences, Qufu Normal University, Qufu 273165, China
| | - Shan-Shan Wang
- Qufu Municipal Bureau of Agriculture and Rural Affairs, Qufu 273165, China
| | - Xiangyu Zhao
- College of Life Sciences, Qufu Normal University, Qufu 273165, China
| | - Zhe Wang
- College of Life Sciences, Qufu Normal University, Qufu 273165, China
| | - Deli Xu
- College of Life Sciences, Qufu Normal University, Qufu 273165, China.
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Wen H, Wang Y, Ji Y, Chen J, Xiao Y, Lu Q, Jiang C, Sheng Q, Nie Z, You Z. Effect of acute exposure of Hg on physiological parameters and transcriptome expression in silkworms ( Bombyx mori). Front Vet Sci 2024; 11:1405541. [PMID: 38919158 PMCID: PMC11196819 DOI: 10.3389/fvets.2024.1405541] [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: 03/25/2024] [Accepted: 05/23/2024] [Indexed: 06/27/2024] Open
Abstract
Mercury (Hg) contamination poses a global threat to the environment, given its elevated ecotoxicity. Herein, we employed the lepidopteran model insect, silkworm (Bombyx mori), to systematically investigate the toxic effects of Hg-stress across its growth and development, histomorphology, antioxidant enzyme activities, and transcriptome responses. High doses of Hg exposure induced evident poisoning symptoms, markedly impeding the growth of silkworm larvae and escalating mortality in a dose-dependent manner. Under Hg exposure, the histomorphology of both the midgut and fat body exhibited impairments. Carboxylesterase (CarE) activity was increased in both midgut and fat body tissues responding to Hg treatment. Conversely, glutathione S-transferase (GST) levels increased in the fat body but decreased in the midgut. The transcriptomic analysis revealed that the response induced by Hg stress involved multiple metabolism processes. Significantly differently expressed genes (DEGs) exhibited strong associations with oxidative phosphorylation, nutrient metabolisms, insect hormone biosynthesis, lysosome, ribosome biogenesis in eukaryotes, and ribosome pathways in the midgut or the fat body. The findings implied that exposure to Hg might induce the oxidative stress response, attempting to compensate for impaired metabolism. Concurrently, disruptions in nutrient metabolism and insect hormone activity might hinder growth and development, leading to immune dysfunction in silkworms. These insights significantly advance our theoretical understanding of the potential mechanisms underlying Hg toxicity in invertebrate organisms.
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Affiliation(s)
- Huanhuan Wen
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Yanan Wang
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Yongqiang Ji
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Jing Chen
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Yao Xiao
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Qixiang Lu
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Caiying Jiang
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Qing Sheng
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Zuoming Nie
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Zhengying You
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
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24
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Mitchell ES, Lemke S, Woodhead B, Coleman D. Oral subchronic toxicity study and genetic toxicity evaluation of mitoquinone mesylate. J Appl Toxicol 2024. [PMID: 38860421 DOI: 10.1002/jat.4654] [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: 05/02/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 06/12/2024]
Abstract
Mitochondrial dysfunction and excessive reactive oxygen species production contributes to the pathophysiology of aging. Coenzyme Q10 is thought to protect mitochondria from oxidative damage; thus, mitoquinone was developed as mitochondria-targeted analogue with similar antioxidant activity. Mitoquinone is the oxidized form of mitoquinol. Mitoquinone/mitoquinol mesylate has been proposed as a food ingredient. As part of the safety analysis, we performed genotoxicity assays and a 39-week toxicity study to determine overall toxicity potential. Mitoquinone mesylate showed no evidence of genotoxic potential in two in vitro assays, bacterial reverse mutation and human lymphocyte chromosome aberration, nor in the in vivo micronucleus test in rats. In the 39-week study in dogs, there were no findings observed, which were considered to represent adverse systemic toxicity; therefore, the high dose level (40 mg/kg/day) was considered the NOAEL. The principal findings in this study were fecal disturbances and vomiting. These findings were considered to be due to a local, possibly irritant effect of the test substance on the gastrointestinal tract and were not considered adverse as there were no impacts on clinical or histopathology. This highest dose exceeds the expected daily human intake more than 100-fold. Data from well-designed clinical trials actively collecting safety endpoints corroborate that 20 mg/day can be safely consumed and is not likely to result in significant gastrointestinal complaints. These results support the conclusion that the use of mitoquinone/mitoquinol mesylate as a food ingredient is safe.
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Affiliation(s)
| | | | | | - David Coleman
- Labcorp Early Development Laboratories Ltd., Huntingdon, UK
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25
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Laird M, Ku JC, Raiten J, Sriram S, Moore M, Li Y. Mitochondrial metabolism regulation and epigenetics in hypoxia. Front Physiol 2024; 15:1393232. [PMID: 38915781 PMCID: PMC11194441 DOI: 10.3389/fphys.2024.1393232] [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: 02/28/2024] [Accepted: 05/13/2024] [Indexed: 06/26/2024] Open
Abstract
The complex and dynamic interaction between cellular energy control and gene expression modulation is shown by the intersection between mitochondrial metabolism and epigenetics in hypoxic environments. Poor oxygen delivery to tissues, or hypoxia, is a basic physiological stressor that sets off a series of reactions in cells to adapt and endure oxygen-starved environments. Often called the "powerhouse of the cell," mitochondria are essential to cellular metabolism, especially regarding producing energy through oxidative phosphorylation. The cellular response to hypoxia entails a change in mitochondrial metabolism to improve survival, including epigenetic modifications that control gene expression without altering the underlying genome. By altering the expression of genes involved in angiogenesis, cell survival, and metabolism, these epigenetic modifications help cells adapt to hypoxia. The sophisticated interplay between mitochondrial metabolism and epigenetics in hypoxia is highlighted by several important points, which have been summarized in the current article. Deciphering the relationship between mitochondrial metabolism and epigenetics during hypoxia is essential to understanding the molecular processes that regulate cellular adaptation to reduced oxygen concentrations.
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Affiliation(s)
- Madison Laird
- Western Michigan University Homer Stryker School of Medicine, Kalamazoo, MI, United States
| | - Jennifer C. Ku
- Western Michigan University Homer Stryker School of Medicine, Kalamazoo, MI, United States
| | - Jacob Raiten
- Western Michigan University Homer Stryker School of Medicine, Kalamazoo, MI, United States
| | - Sashwat Sriram
- Western Michigan University Homer Stryker School of Medicine, Kalamazoo, MI, United States
| | - Megan Moore
- Western Michigan University Homer Stryker School of Medicine, Kalamazoo, MI, United States
| | - Yong Li
- Department of Orthopaedic Surgery, Biomedical Engineering, Western Michigan University Homer Stryker School of Medicine, Kalamazoo, MI, United States
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26
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Han Z, Zhang J, Su Y, Zhou Z, Wang Y, Xu S, Zhao Y, He S, Wang R. Identification of oxidative phosphorylation-related genes in moyamoya disease by combining bulk RNA-sequencing analysis and machine learning. Front Genet 2024; 15:1417329. [PMID: 38919950 PMCID: PMC11197386 DOI: 10.3389/fgene.2024.1417329] [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: 04/14/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024] Open
Abstract
Introduction: Moyamoya disease (MMD) is a chronic cerebrovascular disease that can lead to ischemia and hemorrhagic stroke. The relationship between oxidative phosphorylation (OXPHOS) and MMD pathogenesis remains unknown. Methods: The gene expression data of 60 participants were acquired from three Gene Expression Omnibus (GEO) datasets, including 36 and 24 in the MMD and control groups. Differentially expressed genes (DEGs) between MMD patients MMD and control groups were identified. Machine learning was used to select the key OXPHOS-related genes associated with MMD from the intersection of DEGs and OXPHOS-related gene sets. Gene ontology (GO), Kyoto encyclopedia of genes and genomes (KEGG), gene set enrichment analysis (GSEA), Immune infiltration and microenvironments analysis were used to analyze the function of key genes. Machine learning selected four key OXPHOS-related genes associated with MMD: CSK, NARS2, PTPN6 and SMAD2 (PTPN6 was upregulated and the other three were downregulated). Results: Functional enrichment analysis showed that these genes were mainly enriched in the Notch signaling pathway, GAP junction, and RNA degradation, which are related to several biological processes, including angiogenesis, proliferation of vascular smooth muscle and endothelial cells, and cytoskeleton regulation. Immune analysis revealed immune infiltration and microenvironment in these MMD samples and their relationships with four key OXPHOS-related genes. APC co-inhibition (p = 0.032), HLA (p = 0.001), MHC I (p = 0.013), T cellco- inhibition (p = 0.032) and Type I IFN responses (p < 0.001) were significantly higher in the MMD groups than those in the control groups. The CSK positively correlated with APC co-inhibition and T cell-co-inhibition. The NARS2 negatively correlated with Type I IFN response. The SMAD2 negatively correlated with APC co-inhibition and Type I IFN response. The PTPN6 positively correlated with HLA, MHC I and Type I IFN responses. Discussion: This study provides a comprehensive understanding of the role of OXPHOS in MMD and will contribute to the development of new treatment methods and exploration of MMD pathogenesis.
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Affiliation(s)
- Zhiguang Han
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Junze Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yutao Su
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Neurosurgery, The 82nd Group Army Hospital, Baoding, China
| | - Zhenyu Zhou
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yanru Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Shaoqi Xu
- Suzhou Vocational Health College, Suzhou, China
| | - Yuanli Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Neurosurgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Shihao He
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Neurosurgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Rong Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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27
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Zhang XX, Zhang ZC, Liu YS, Zhou L, Hu YQ, Zhang CH, Song WH, Wu XH. Bioinformatic Analysis of the Significance of the KIR2DL4 Gene in Recurrent Implantation Failure. Biochem Genet 2024:10.1007/s10528-024-10857-8. [PMID: 38858283 DOI: 10.1007/s10528-024-10857-8] [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: 08/10/2023] [Accepted: 06/03/2024] [Indexed: 06/12/2024]
Abstract
Related studies have pointed out that Killer immunoglobulin-like receptor 2DL4 (KIR2DL4) was associated with vascular remodeling in early pregnancy, and it might play an important role in immunity. In this study, recurrent implantation failure (RIF)-related GSE58144 dataset was extracted from the Gene Expression Omnibus (GEO) database. Firstly, the immune micro-environment analyses were conducted to analyze the pathogenesis of KIR2DL4 in RIF. Then, the gene set enrichment analysis (GSEA) was performed to investigate the function of KIR2DL4. Moreover, the TF-mRNA-miRNA and the co-expression networks were constructed to reveal the potential regulation of KIR2DL4. Furthermore, the genes that were associated with KIR2DL4 and differentially expressed in RIF were obtained and defined as key genes, and the functions of these genes were further explored. KIR2DL4 could be used for clinical diagnosis of RIF, and it was correlated with the changes in the immune micro-environment in RIF. From the perspective of function, KIR2DL4 was associated with complement and coagulation cascades, natural killer cell-mediated cytotoxicity, etc. Moreover, the TF-mRNA-miRNA regulatory network was constructed with KIR2DL4, 9 TFs, and 29 miRNAs. Furthermore, KIR2DL4, ACSM1, IL2RB, and PTPN11 were screened as key genes, which were associated with immune-related functions. This study deeply analyzed the function of KIR2DL4 and its role in RIF, and we found that STAT1 might up-regulate KIR2DL4 by INF-γ/JAK2/STAT1 signaling pathway. Besides, over-expressed KIR2DL4 in the mid-luteal endometrium might influence embryo implantation by affecting the embryo implantation microenvironment, which might help deepen the understanding of the molecular mechanism of RIF.
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Affiliation(s)
- Xin-Xian Zhang
- Reproductive Medicine Center, The Fourth Hospital of Shijiazhuang, Hebei Medical University, 206 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
- Hebei Medical University, 361 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
| | - Zhi-Chao Zhang
- Hebei Medical University, 361 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
| | - Yu-Shan Liu
- Hebei Medical University, 361 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
| | - Li Zhou
- Reproductive Medicine Center, The Fourth Hospital of Shijiazhuang, Hebei Medical University, 206 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
| | - Yu-Qin Hu
- Reproductive Medicine Center, The Fourth Hospital of Shijiazhuang, Hebei Medical University, 206 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
- Hebei Medical University, 361 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
| | - Cai-Hong Zhang
- Reproductive Medicine Center, The Fourth Hospital of Shijiazhuang, Hebei Medical University, 206 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
| | - Wen-Hui Song
- Reproductive Medicine Center, The Fourth Hospital of Shijiazhuang, Hebei Medical University, 206 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
- Hebei Medical University, 361 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China
| | - Xiao-Hua Wu
- Reproductive Medicine Center, The Fourth Hospital of Shijiazhuang, Hebei Medical University, 206 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China.
- Hebei Medical University, 361 East Zhongshan Road, Shijiazhuang, 050011, Hebei, China.
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28
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Mukherjee A, Ghosh KK, Chakrabortty S, Gulyás B, Padmanabhan P, Ball WB. Mitochondrial Reactive Oxygen Species in Infection and Immunity. Biomolecules 2024; 14:670. [PMID: 38927073 PMCID: PMC11202257 DOI: 10.3390/biom14060670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
Reactive oxygen species (ROS) contain at least one oxygen atom and one or more unpaired electrons and include singlet oxygen, superoxide anion radical, hydroxyl radical, hydroperoxyl radical, and free nitrogen radicals. Intracellular ROS can be formed as a consequence of several factors, including ultra-violet (UV) radiation, electron leakage during aerobic respiration, inflammatory responses mediated by macrophages, and other external stimuli or stress. The enhanced production of ROS is termed oxidative stress and this leads to cellular damage, such as protein carbonylation, lipid peroxidation, deoxyribonucleic acid (DNA) damage, and base modifications. This damage may manifest in various pathological states, including ageing, cancer, neurological diseases, and metabolic disorders like diabetes. On the other hand, the optimum levels of ROS have been implicated in the regulation of many important physiological processes. For example, the ROS generated in the mitochondria (mitochondrial ROS or mt-ROS), as a byproduct of the electron transport chain (ETC), participate in a plethora of physiological functions, which include ageing, cell growth, cell proliferation, and immune response and regulation. In this current review, we will focus on the mechanisms by which mt-ROS regulate different pathways of host immune responses in the context of infection by bacteria, protozoan parasites, viruses, and fungi. We will also discuss how these pathogens, in turn, modulate mt-ROS to evade host immunity. We will conclude by briefly giving an overview of the potential therapeutic approaches involving mt-ROS in infectious diseases.
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Affiliation(s)
- Arunima Mukherjee
- Department of Biological Sciences, School of Engineering and Sciences, SRM University AP Andhra Pradesh, Guntur 522502, Andhra Pradesh, India;
| | - Krishna Kanta Ghosh
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, Singapore 636921, Singapore; (K.K.G.); (B.G.)
| | - Sabyasachi Chakrabortty
- Department of Chemistry, School of Engineering and Sciences, SRM University AP Andhra Pradesh, Guntur 522502, Andhra Pradesh, India;
| | - Balázs Gulyás
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, Singapore 636921, Singapore; (K.K.G.); (B.G.)
- Cognitive Neuroimaging Centre, 59 Nanyang Drive, Nanyang Technological University, Singapore 636921, Singapore
- Department of Clinical Neuroscience, Karolinska Institute, 17176 Stockholm, Sweden
| | - Parasuraman Padmanabhan
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, Singapore 636921, Singapore; (K.K.G.); (B.G.)
- Cognitive Neuroimaging Centre, 59 Nanyang Drive, Nanyang Technological University, Singapore 636921, Singapore
| | - Writoban Basu Ball
- Department of Biological Sciences, School of Engineering and Sciences, SRM University AP Andhra Pradesh, Guntur 522502, Andhra Pradesh, India;
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Bruserud Ø, Selheim F, Hernandez-Valladares M, Reikvam H. Monocytic Differentiation in Acute Myeloid Leukemia Cells: Diagnostic Criteria, Biological Heterogeneity, Mitochondrial Metabolism, Resistance to and Induction by Targeted Therapies. Int J Mol Sci 2024; 25:6356. [PMID: 38928061 PMCID: PMC11203697 DOI: 10.3390/ijms25126356] [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: 05/05/2024] [Revised: 05/31/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
We review the importance of monocytic differentiation and differentiation induction in non-APL (acute promyelocytic leukemia) variants of acute myeloid leukemia (AML), a malignancy characterized by proliferation of immature myeloid cells. Even though the cellular differentiation block is a fundamental characteristic, the AML cells can show limited signs of differentiation. According to the French-American-British (FAB-M4/M5 subset) and the World Health Organization (WHO) 2016 classifications, monocytic differentiation is characterized by morphological signs and the expression of specific molecular markers involved in cellular communication and adhesion. Furthermore, monocytic FAB-M4/M5 patients are heterogeneous with regards to cytogenetic and molecular genetic abnormalities, and monocytic differentiation does not have any major prognostic impact for these patients when receiving conventional intensive cytotoxic therapy. In contrast, FAB-M4/M5 patients have decreased susceptibility to the Bcl-2 inhibitor venetoclax, and this seems to be due to common molecular characteristics involving mitochondrial regulation of the cellular metabolism and survival, including decreased dependency on Bcl-2 compared to other AML patients. Thus, the susceptibility to Bcl-2 inhibition does not only depend on general resistance/susceptibility mechanisms known from conventional AML therapy but also specific mechanisms involving the molecular target itself or the molecular context of the target. AML cell differentiation status is also associated with susceptibility to other targeted therapies (e.g., CDK2/4/6 and bromodomain inhibition), and differentiation induction seems to be a part of the antileukemic effect for several targeted anti-AML therapies. Differentiation-associated molecular mechanisms may thus become important in the future implementation of targeted therapies in human AML.
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MESH Headings
- Humans
- Cell Differentiation
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/pathology
- Leukemia, Myeloid, Acute/diagnosis
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/genetics
- Mitochondria/metabolism
- Monocytes/metabolism
- Monocytes/pathology
- Drug Resistance, Neoplasm/genetics
- Molecular Targeted Therapy
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
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Affiliation(s)
- Øystein Bruserud
- Acute Leukemia Research Group, Department of Clinical Science, University of Bergen, 5007 Bergen, Norway; (M.H.-V.); (H.R.)
- Section for Hematology, Department of Medicine, Haukeland University Hospital, 5009 Bergen, Norway
| | - Frode Selheim
- Proteomics Unit of University of Bergen (PROBE), University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway;
| | - Maria Hernandez-Valladares
- Acute Leukemia Research Group, Department of Clinical Science, University of Bergen, 5007 Bergen, Norway; (M.H.-V.); (H.R.)
- Department of Physical Chemistry, University of Granada, Avenida de la Fuente Nueva S/N, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
| | - Håkon Reikvam
- Acute Leukemia Research Group, Department of Clinical Science, University of Bergen, 5007 Bergen, Norway; (M.H.-V.); (H.R.)
- Section for Hematology, Department of Medicine, Haukeland University Hospital, 5009 Bergen, Norway
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Meng K, Liu Q, Qin Y, Qin W, Zhu Z, Sun L, Jiang M, Adu-Amankwaah J, Gao F, Tan R, Yuan J. Mechanism of mitochondrial oxidative phosphorylation disorder in male infertility. Chin Med J (Engl) 2024:00029330-990000000-01098. [PMID: 38855875 DOI: 10.1097/cm9.0000000000003126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Indexed: 06/11/2024] Open
Abstract
ABSTRACT Male infertility has become a global concern, accounting for 20-70% of infertility. Dysfunctional spermatogenesis is the most common cause of male infertility; thus, treating abnormal spermatogenesis may improve male infertility and has attracted the attention of the medical community. Mitochondria are essential organelles that maintain cell homeostasis and normal physiological functions in various ways, such as mitochondrial oxidative phosphorylation (OXPHOS). Mitochondrial OXPHOS transmits electrons through the respiratory chain, synthesizes adenosine triphosphate (ATP), and produces reactive oxygen species (ROS). These mechanisms are vital for spermatogenesis, especially to maintain the normal function of testicular Sertoli cells and germ cells. The disruption of mitochondrial OXPHOS caused by external factors can result in inadequate cellular energy supply, oxidative stress, apoptosis, or ferroptosis, all inhibiting spermatogenesis and damaging the male reproductive system, leading to male infertility. This article summarizes the latest pathological mechanism of mitochondrial OXPHOS disorder in testicular Sertoli cells and germ cells, which disrupts spermatogenesis and results in male infertility. In addition, we also briefly outline the current treatment of spermatogenic malfunction caused by mitochondrial OXPHOS disorders. However, relevant treatments have not been fully elucidated. Therefore, targeting mitochondrial OXPHOS disorders in Sertoli cells and germ cells is a research direction worthy of attention. We believe this review will provide new and more accurate ideas for treating male infertility.
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Affiliation(s)
- Kai Meng
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, Shandong 272067, China
- Lin He's Academician Workstation of New Medicine and Clinical Translation, Jining Medical University, Jining, Shandong 272067, China
| | - Qian Liu
- College of Basic Medical, Jining Medical University, Jining, Shandong 272067, China
| | - Yiding Qin
- College of Basic Medical, Jining Medical University, Jining, Shandong 272067, China
| | - Wenjie Qin
- College of Second Clinical Medicine, Jining Medical University, Jining, Shandong 272067, China
| | - Ziming Zhu
- College of Second Clinical Medicine, Jining Medical University, Jining, Shandong 272067, China
| | - Longlong Sun
- College of Second Clinical Medicine, Jining Medical University, Jining, Shandong 272067, China
| | - Mingchao Jiang
- College of Second Clinical Medicine, Jining Medical University, Jining, Shandong 272067, China
| | - Joseph Adu-Amankwaah
- College of Basic Medical, Xuzhou Medical University, Xuzhou, Zhejiang 221004, China
| | - Fei Gao
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, Shandong 272067, China
- Lin He's Academician Workstation of New Medicine and Clinical Translation, Jining Medical University, Jining, Shandong 272067, China
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 101408, China
| | - Rubin Tan
- College of Basic Medical, Xuzhou Medical University, Xuzhou, Zhejiang 221004, China
| | - Jinxiang Yuan
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, Shandong 272067, China
- Lin He's Academician Workstation of New Medicine and Clinical Translation, Jining Medical University, Jining, Shandong 272067, China
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Cao J, Xue B, Yang S, Yang X, Zhang X, Qiu Z, Shen Z, Wang J. Chlorite and bromate alter the conjugative transfer of antibiotic resistance genes: Co-regulation of oxidative stress and energy supply. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134257. [PMID: 38636236 DOI: 10.1016/j.jhazmat.2024.134257] [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: 01/22/2024] [Revised: 04/06/2024] [Accepted: 04/08/2024] [Indexed: 04/20/2024]
Abstract
The widespread use of disinfectants during the global response to the 2019 coronavirus pandemic has increased the co-occurrence of disinfection byproducts (DBPs) and antibiotic resistance genes (ARGs). Although DBPs pose major threats to public health globally, there is limited knowledge regarding their biological effects on ARGs. This study aimed to investigate the effects of two inorganic DBPs (chlorite and bromate) on the conjugative transfer of RP4 plasmid among Escherichia coli strains at environmentally relevant concentrations. Interestingly, the frequency of conjugative transfer was initially inhibited when the exposure time to chlorite or bromate was less than 24 h. However, this inhibition transformed into promotion when the exposure time was extended to 36 h. Short exposures to chlorite or bromate were shown to impede the electron transport chain, resulting in an ATP shortage and subsequently inhibiting conjugative transfer. Consequently, this stimulates the overproduction of reactive oxygen species (ROS) and activation of the SOS response. Upon prolonged exposure, the resurgent energy supply promoted conjugative transfer. These findings offer novel and valuable insights into the effects of environmentally relevant concentrations of inorganic DBPs on the conjugative transfer of ARGs, thereby providing a theoretical basis for the management of DBPs.
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Affiliation(s)
- Jinrui Cao
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Bin Xue
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China; Key Laboratory of Risk Assessment and Control for Environment and Food Safety, Tianjin 300050, China
| | - Shuran Yang
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Xiaobo Yang
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China; Key Laboratory of Risk Assessment and Control for Environment and Food Safety, Tianjin 300050, China
| | - Xi Zhang
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China; Key Laboratory of Risk Assessment and Control for Environment and Food Safety, Tianjin 300050, China
| | - Zhigang Qiu
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China; Key Laboratory of Risk Assessment and Control for Environment and Food Safety, Tianjin 300050, China
| | - Zhiqiang Shen
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China; Key Laboratory of Risk Assessment and Control for Environment and Food Safety, Tianjin 300050, China.
| | - Jingfeng Wang
- Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China; Key Laboratory of Risk Assessment and Control for Environment and Food Safety, Tianjin 300050, China.
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Suzuki I, Xing H, Giblin J, Ashraf A, Chung EJ. Nanoparticle-based therapeutic strategies for mitochondrial dysfunction in cardiovascular disease. J Biomed Mater Res A 2024; 112:895-913. [PMID: 38217313 DOI: 10.1002/jbm.a.37668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 12/05/2023] [Accepted: 12/27/2023] [Indexed: 01/15/2024]
Abstract
Although cardiovascular diseases (CVD) are the leading cause of global mortality, there is a lack of therapies that target and revert underlying pathological processes. Mitochondrial dysfunction is involved in the pathophysiology of CVD, and thus is a potential target for therapeutic development. To target the mitochondria and improve therapeutic efficacy, nanoparticle-based delivery systems have been proposed as promising strategies for the delivery of therapeutic agents to the mitochondria. This review will first discuss how mitochondrial dysfunction is related to the progression of several CVD and then delineate recent progress in mitochondrial targeting using nanoparticle-based delivery systems including peptide-based nanosystems, polymeric nanoparticles, liposomes, and lipid nanoparticles. In addition, we summarize the advantages of these nanocarriers and remaining challenges in targeting the mitochondria as a therapeutic strategy for CVD treatment.
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Affiliation(s)
- Isabella Suzuki
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
| | - Huihua Xing
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
| | - Joshua Giblin
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
| | - Anisa Ashraf
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
| | - Eun Ji Chung
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, California, USA
- Department of Medicine, Division of Nephrology and Hypertension, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
- Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California, USA
- Department of Surgery, Division of Vascular Surgery and Endovascular Therapy, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
- Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, California, USA
- Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California, USA
- Bridge Institute, University of Southern California, Los Angeles, California, USA
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Shadab A, Abbasi-Kolli M, Saharkhiz M, Ahadi SH, Shokouhi B, Nahand JS. The interplay between mitochondrial dysfunction and NLRP3 inflammasome in multiple sclerosis: Therapeutic implications and animal model studies. Biomed Pharmacother 2024; 175:116673. [PMID: 38713947 DOI: 10.1016/j.biopha.2024.116673] [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: 01/27/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/09/2024] Open
Abstract
Multiple sclerosis (MS) is a complex autoimmune disorder that impacts the central nervous system (CNS), resulting in inflammation, demyelination, and neurodegeneration. The NOD-like receptor (NLR) family pyrin domain-containing 3 (NLRP3) inflammasome, a multiprotein complex of the innate immune system, serves an essential role in the pathogenesis of MS by regulating the production of pro-inflammatory cytokines (IL-1β & IL-18) and the induction of pyroptotic cell death. Mitochondrial dysfunction is one of the main potential factors that can trigger NLRP3 inflammasome activation and lead to inflammation and axonal damage in MS. This highlights the importance of understanding how mitochondrial dynamics modulate NLRP3 inflammasome activity and contribute to the inflammatory and neurodegenerative features of MS. The lack of a comprehensive understanding of the pathogenesis of MS and the urge for the introduction of new therapeutic strategies led us to review the therapeutic potential of targeting the interplay between mitochondrial dysfunction and the NLRP3 inflammasome in MS. This paper also evaluates the natural and synthetic compounds that can improve mitochondrial function and/or inhibit the NLRP3 inflammasome, thereby providing neuroprotection. Moreover, it summarizes the evidence from animal models of MS that demonstrate the beneficial effects of these compounds on reducing inflammation, demyelination, and neurodegeneration. Finally, this review advocates for a deeper investigation into the molecular crosstalk between mitochondrial dynamics and the NLRP3 inflammasome as a means to refine therapeutic targets for MS.
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Affiliation(s)
- Alireza Shadab
- Deputy of Health, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Mohammad Abbasi-Kolli
- Deputy of Health, Iran University of Medical Sciences, Tehran, Iran; Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mansoore Saharkhiz
- Department of immunology, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran; Cellular and molecular research center, Birjand University of medical sciences, Birjand, Iran
| | | | - Behrooz Shokouhi
- Pathology Department, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Javid Sadri Nahand
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Qiao Y(S, Santanasto AJ, Coen PM, Cawthon PM, Cummings SR, Forman DE, Goodpaster BH, Harezlak J, Hawkins M, Kritchevsky SB, Nicklas BJ, Toledo FGS, Toto PE, Newman AB, Glynn NW. Associations between skeletal muscle energetics and accelerometry-based performance fatigability: Study of Muscle, Mobility and Aging. Aging Cell 2024; 23:e14015. [PMID: 37843879 PMCID: PMC11166367 DOI: 10.1111/acel.14015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/28/2023] [Accepted: 09/29/2023] [Indexed: 10/17/2023] Open
Abstract
Performance fatigability is typically experienced as insufficient energy to complete daily physical tasks, particularly with advancing age, often progressing toward dependency. Thus, understanding the etiology of performance fatigability, especially cellular-level biological mechanisms, may help to delay the onset of mobility disability. We hypothesized that skeletal muscle energetics may be important contributors to performance fatigability. Participants in the Study of Muscle, Mobility and Aging completed a usual-paced 400-m walk wearing a wrist-worn ActiGraph GT9X to derive the Pittsburgh Performance Fatigability Index (PPFI, higher scores = more severe fatigability) that quantifies percent decline in individual cadence-versus-time trajectory from their maximal cadence. Complex I&II-supported maximal oxidative phosphorylation (max OXPHOS) and complex I&II-supported electron transfer system (max ETS) were quantified ex vivo using high-resolution respirometry in permeabilized fiber bundles from vastus lateralis muscle biopsies. Maximal adenosine triphosphate production (ATPmax) was assessed in vivo by 31P magnetic resonance spectroscopy. We conducted tobit regressions to examine associations of max OXPHOS, max ETS, and ATPmax with PPFI, adjusting for technician/site, demographic characteristics, and total activity count over 7-day free-living among older adults (N = 795, 70-94 years, 58% women) with complete PPFI scores and ≥1 energetics measure. Median PPFI score was 1.4% [25th-75th percentile: 0%-2.9%]. After full adjustment, each 1 standard deviation lower max OXPHOS, max ETS, and ATPmax were associated with 0.55 (95% CI: 0.26-0.84), 0.39 (95% CI: 0.09-0.70), and 0.54 (95% CI: 0.27-0.81) higher PPFI score, respectively. Our findings suggested that therapeutics targeting muscle energetics may potentially mitigate fatigability and lessen susceptibility to disability among older adults.
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Affiliation(s)
- Yujia (Susanna) Qiao
- Department of Epidemiology, School of Public HealthUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Adam J. Santanasto
- Department of Epidemiology, School of Public HealthUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Paul M. Coen
- AdventHealth, Translational Research InstituteOrlandoFloridaUSA
| | - Peggy M. Cawthon
- San Francisco Coordinating CenterCalifornia Pacific Medical Center Research InstituteSan FranciscoCaliforniaUSA
- Department of Epidemiology and Biostatistics, School of MedicineUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Steven R. Cummings
- San Francisco Coordinating CenterCalifornia Pacific Medical Center Research InstituteSan FranciscoCaliforniaUSA
- Department of Epidemiology and Biostatistics, School of MedicineUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Daniel E. Forman
- Department of Medicine (Geriatrics and Cardiology)University of Pittsburgh, and Geriatrics, Research, Education, and Clinical Center (GRECC), VA Pittsburgh Healthcare SystemPittsburghPennsylvaniaUSA
| | | | - Jaroslaw Harezlak
- Department of Epidemiology and Biostatistics, School of Public Health‐BloomingtonIndiana UniversityBloomingtonIndianaUSA
| | - Marquis Hawkins
- Department of Epidemiology, School of Public HealthUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Stephen B. Kritchevsky
- Gerontology and Geriatric MedicineWake Forest School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Barbara J. Nicklas
- Gerontology and Geriatric MedicineWake Forest School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Frederico G. S. Toledo
- Division of Endocrinology and Metabolism, Department of MedicineUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Pamela E. Toto
- Department of Occupational TherapyUniversity of Pittsburgh School of Health and Rehabilitation SciencesPittsburghPennsylvaniaUSA
| | - Anne B. Newman
- Department of Epidemiology, School of Public HealthUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Nancy W. Glynn
- Department of Epidemiology, School of Public HealthUniversity of PittsburghPittsburghPennsylvaniaUSA
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Xiang J, Yang X, Tan M, Guo J, Ye Y, Deng J, Huang Z, Wang H, Su W, Cheng J, Zheng L, Liu S, Zhong J, Zhao J. NIR-enhanced Pt single atom/g-C 3N 4 nanozymes as SOD/CAT mimics to rescue ATP energy crisis by regulating oxidative phosphorylation pathway for delaying osteoarthritis progression. Bioact Mater 2024; 36:1-13. [PMID: 38425744 PMCID: PMC10900248 DOI: 10.1016/j.bioactmat.2024.02.018] [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: 11/23/2023] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 03/02/2024] Open
Abstract
Osteoarthritis (OA) progresses due to the excessive generation of reactive oxygen and nitrogen species (ROS/RNS) and abnormal ATP energy metabolism related to the oxidative phosphorylation pathway in the mitochondria. Highly active single-atom nanozymes (SAzymes) can help regulate the redox balance and have shown their potential in the treatment of inflammatory diseases. In this study, we innovatively utilised ligand-mediated strategies to chelate Pt4+ with modified g-C3N4 by π-π interaction to prepare g-C3N4-loaded Pt single-atom (Pt SA/C3N4) nanozymes that serve as superoxide dismutase (SOD)/catalase (CAT) mimics to scavenge ROS/RNS and regulate mitochondrial ATP production, ultimately delaying the progression of OA. Pt SA/C3N4 exhibited a high loading of Pt single atoms (2.45 wt%), with an excellent photothermal conversion efficiency (54.71%), resulting in tunable catalytic activities under near-infrared light (NIR) irradiation. Interestingly, the Pt-N6 active centres in Pt SA/C3N4 formed electron capture sites for electron holes, in which g-C3N4 regulated the d-band centre of Pt, and the N-rich sites transferred electrons to Pt, leading to the enhanced adsorption of free radicals and thus higher SOD- and CAT-like activities compared with pure g-C3N4 and g-C3N4-loaded Pt nanoparticles (Pt NPs/C3N4). Based on the use of H2O2-induced chondrocytes to simulate ROS-injured cartilage invitro and an OA joint model invivo, the results showed that Pt SA/C3N4 could reduce oxidative stress-induced damage, protect mitochondrial function, inhibit inflammation progression, and rebuild the OA microenvironment, thereby delaying the progression of OA. In particular, under NIR light irradiation, Pt SA/C3N4 could help reverse the oxidative stress-induced joint cartilage damage, bringing it closer to the state of the normal cartilage. Mechanistically, Pt SA/C3N4 regulated the expression of mitochondrial respiratory chain complexes, mainly NDUFV2 of complex 1 and MT-ATP6 of ATP synthase, to reduce ROS/RNS and promote ATP production. This study provides novel insights into the design of artificial nanozymes for treating oxidative stress-induced inflammatory diseases.
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Affiliation(s)
- Jianhui Xiang
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi, 530021, PR China
| | - Xin Yang
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Manli Tan
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Jianfeng Guo
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Yuting Ye
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Jiejia Deng
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Zhangrui Huang
- Life Sciences Institute, Guangxi Medical University, No. 22 Shuangyong Road, Nanning, Guangxi, 530021, PR China
| | - Hanjie Wang
- Life Sciences Institute, Guangxi Medical University, No. 22 Shuangyong Road, Nanning, Guangxi, 530021, PR China
| | - Wei Su
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Jianwen Cheng
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi, 530021, PR China
| | - Li Zheng
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Sijia Liu
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Jingping Zhong
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
| | - Jinmin Zhao
- Guangxi Engineering Center in Biomedical Material for Tissue and Organ Regeneration, Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed By the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi 530021, PR China
- Life Sciences Institute, Guangxi Medical University, No. 22 Shuangyong Road, Nanning, Guangxi, 530021, PR China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning, Guangxi, 530021, PR China
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Chen YX, Yang H, Wang DS, Chen TT, Qi XL, Tao L, Chen Y, Shen XC. Gastrodin alleviates mitochondrial dysfunction by regulating SIRT3-mediated TFAM acetylation in vascular dementia. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155369. [PMID: 38547618 DOI: 10.1016/j.phymed.2024.155369] [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: 04/03/2023] [Revised: 12/03/2023] [Accepted: 01/15/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Mitochondrial dysfunction is key to the pathogenesis of vascular dementia (VaD). Sirtuin-3 (SIRT3), an essential member of the sirtuins family, has been proven to be a critical sirtuin in regulating mitochondrial function. The phenolic glucoside gastrodin (GAS), a bioactive ingredient from Gastrodiae Rhizome (known in Chinese as Tian ma) demonstrates significant neuroprotective properties against central nervous system disorders; however, the precise mechanisms through which GAS modulates VaD remain elusive. PURPOSE This study aims to investigate whether GAS confers a protective role against VaD, and to figure out the underlying molecular mechanisms. METHODS A bilateral common carotid artery occlusion (BCCAO)-mediated chronic cerebral hypoperfusion (CCH) VaD rat model and a hypoxia model using HT22 cells were employed to investigate pharmacological properties of GAS in mitigating mitochondrial dysfunction. A SIRT3 agonist resveratrol (RES), a SIRT3 inhibitor 3-TYP and SIRT3-knockdown in vitro were used to explore the mechanism of GAS in association with SIRT3. The ability of SIRT3 to bind and deacetylate mitochondrial transcription factor A (TFAM) was detected by immunoprecipitation assay, and TFAM acetylation sites were further validated using mass spectrometry. RESULTS GAS increased SIRT3 expression and ameliorated mitochondrial structure, mitochondrial respiration, mitochondrial dynamics along with upregulated TFAM, mitigating oxidative stress and senescence. Comparable results were noted with the SIRT3 agonist RES, indicating an impactful neuroprotection played by SIRT3. Specifically, the attenuation of SIRT3 expression through knockdown techniques or exposure to the SIRT3 inhibitor 3-TYP in HT22 cells markedly abrogated GAS-mediated mitochondrial rescuing function. Furthermore, our findings elucidate a novel facet: SIRT3 interacted with and deacetylated TFAM at the K5, K7, and K8 sites. Decreased SIRT3 is accompanied by hyper-acetylated TFAM. CONCLUSION The present results were the first to demonstrate that the SIRT3/TFAM pathway is a protective target for reversing mitochondrial dysfunction in VaD. The findings suggest that GAS-mediated modulation of the SIRT3/TFAM pathway, a novel mechanism, could ameliorate CCH-induced VaD, offering a potentially beneficial therapeutic strategy for VaD.
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Affiliation(s)
- Yong-Xin Chen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China
| | - Hong Yang
- The Maternal and Child Health Care Hospital of Guizhou Medical University, Guiyang 550003, China; The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China
| | - Da-Song Wang
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China
| | - Ting-Ting Chen
- The Maternal and Child Health Care Hospital of Guizhou Medical University, Guiyang 550003, China; The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China
| | - Xiao-Lan Qi
- The Key Laboratory of Medical Molecular Biology, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China
| | - Ling Tao
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China
| | - Yan Chen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China.
| | - Xiang-Chun Shen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China; The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, No.6 Ankang Avenue, Guian New District, Guiyang, Guizhou 561113, China.
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Yu J, Duan Y, Lu Q, Chen M, Ning F, Ye Y, Lu S, Ou D, Sha X, Gan X, Zhao M, Lash GE. Cytochrome c oxidase IV isoform 1 (COX4-1) regulates the proliferation, migration and invasion of trophoblast cells via modulating mitochondrial function. Placenta 2024; 151:48-58. [PMID: 38718733 DOI: 10.1016/j.placenta.2024.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 04/10/2024] [Accepted: 04/25/2024] [Indexed: 06/03/2024]
Abstract
INTRODUCTION Spontaneous miscarriage is a common complication of early pregnancy. Previous studies have shown that mitochondrial function plays an important role in establishment of a successful pregnancy. Cytochrome c oxidase subunit 4 isoform 1 (COX4I1), a component of electron transport chain complex Ⅳ, is required for coupling the rate of ATP production to energetic requirements. However, there is very limited research on its role in trophoblast biology and how its dysfunction may contribute to spontaneous miscarriage. METHODS Placental villi (7-10 weeks gestational age) collected from either induced termination of pregnancy or after spontaneous miscarriage were examined for expression of COX4I1. COX4I1 was knocked down by siRNA transfection of primary isolates of EVT cells. Real-time cell analysis (RTCA) and 5-Ethynyl-2'-deoxyuridine (EdU) were used to detect changes in proliferation ability after COX4I1 knockdown of EVT cells. Migration and invasion indices were determined by RTCA. Mitochondrial morphology was observed via MitoTracker staining. Oxidative phosphorylation, ATP production, and glycolysis in COX4I1-deficient cells and controls were assessed by a cellular energy metabolism analyzer (Seahorse). RESULTS In placental villous tissue, COX4I1 expression was significantly decreased in the spontaneous miscarriage group. Knockdown of COX4I1 inhibited EVT cell proliferation, increased the migration and invasion ability and mitochondrial fusion of EVT cells. Mitochondrial respiration and glycolysis were impaired in COX4I1-deficient EVT cells. Knockdown of MMP1 could rescue the increased migration and invasion induced by COX4I1 silencing. DISCUSSION Low expression of COX4I1 leads to mitochondrial dysfunction in EVT, resulting in altered trophoblast function, and ultimately to pregnancy loss.
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Affiliation(s)
- Juan Yu
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Yaoyun Duan
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Qinsheng Lu
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Miaojuan Chen
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Fen Ning
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Yixin Ye
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Shenjiao Lu
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Deqiong Ou
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Xiaoyan Sha
- Department of Obstetrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Xiaowen Gan
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Mingguang Zhao
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Gendie E Lash
- Division of Uterine Vascular Biology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China.
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Yang H, Qiu S, Yao T, Liu G, Liu J, Guo L, Shi C, Xu Y, Ma J. Transcriptomics coupled with proteomics reveals osimertinib-induced myocardial mitochondrial dysfunction. Toxicol Lett 2024; 397:23-33. [PMID: 38734218 DOI: 10.1016/j.toxlet.2024.05.005] [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: 01/23/2024] [Revised: 05/02/2024] [Accepted: 05/06/2024] [Indexed: 05/13/2024]
Abstract
Osimertinib, an irreversible epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) used for cancer treatment, can cause significant cardiac toxicity. However, the specific mechanism of osimertinib-induced cardiotoxicity is not fully understood. In this study, we administered osimertinib to mice and neonatal rat ventricular myocytes (NRVMs). We observed significant structural and functional damage to the hearts of these mice, along with a marked increase in cardiac injury biomarkers and accompanying ultrastructural damage to mitochondria. We integrated 4D label-free protein quantification and RNA-Seq methods to analyze the sequencing data of NRVMs under osimertinib treatment (0 and 2.5 μM). Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis evidenced that differentially expressed genes (DEGs)and differentially expressed proteins (DEPs) were distinctly enriched for oxidative phosphorylation (OXPHOs). Simultaneously, osimertinib primarily affected the contents of adenosine triphosphate (ATP). Further investigations revealed that osimertinib disrupts the functions of the ATP synthase (complex V), leading to a reduction in ATP production. Taken together, our data demonstrated that osimertinib causes mitochondrial dysfunction, which in turn leads to the onset of cardiac toxicity.
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Affiliation(s)
- Haichao Yang
- Department of Cardiology, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050010, China
| | - Suhua Qiu
- Department of Pharmacology, Hebei Medical University, Ministry of Education, Shijiazhuang 050017, China; The Key Laboratory of New Drug Pharmacology and Toxicology, Shijiazhuang, Hebei Province 050017, China; The Key Laboratory of Neural and Vascular Biology, Ministry of Education, Shijiazhuang 050017, China
| | - Tiezhu Yao
- Department of Cardiology, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050010, China
| | - Guang Liu
- Department of Cardiology, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050010, China
| | - Jing Liu
- Department of Cardiology, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050010, China
| | - Ling Guo
- Department of Cardiology, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050010, China
| | - Chenxia Shi
- Department of Pharmacology, Hebei Medical University, Ministry of Education, Shijiazhuang 050017, China; The Key Laboratory of New Drug Pharmacology and Toxicology, Shijiazhuang, Hebei Province 050017, China; The Key Laboratory of Neural and Vascular Biology, Ministry of Education, Shijiazhuang 050017, China
| | - Yanfang Xu
- Department of Pharmacology, Hebei Medical University, Ministry of Education, Shijiazhuang 050017, China; The Key Laboratory of New Drug Pharmacology and Toxicology, Shijiazhuang, Hebei Province 050017, China; The Key Laboratory of Neural and Vascular Biology, Ministry of Education, Shijiazhuang 050017, China
| | - Jingtao Ma
- Department of Cardiology, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050010, China.
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Nicolson GL, Ferreira de Mattos G. Membrane Lipid Replacement for reconstituting mitochondrial function and moderating cancer-related fatigue, pain and other symptoms while counteracting the adverse effects of cancer cytotoxic therapy. Clin Exp Metastasis 2024; 41:199-217. [PMID: 38879842 DOI: 10.1007/s10585-024-10290-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 04/25/2024] [Indexed: 06/30/2024]
Abstract
Cancer-related fatigue, pain, gastrointestinal and other symptoms are among the most familiar complaints in practically every type and stage of cancer, especially metastatic cancers. Such symptoms are also related to cancer oxidative stress and the damage instigated by cancer cytotoxic therapies to cellular membranes, especially mitochondrial membranes. Cancer cytotoxic therapies (chemotherapy and radiotherapy) often cause adverse symptoms and induce patients to terminate their anti-neoplastic regimens. Cancer-related fatigue, pain and other symptoms and the adverse effects of cancer cytotoxic therapies can be safely moderated with oral Membrane Lipid Replacement (MLR) glycerolphospholipids and mitochondrial cofactors, such as coenzyme Q10. MLR provides essential membrane lipids and precursors to maintain mitochondrial and other cellular membrane functions and reduces fatigue, pain, gastrointestinal, inflammation and other symptoms. In addition, patients with a variety of chronic symptoms benefit from MLR supplements, and MLR also has the ability to enhance the bioavailability of nutrients and slowly remove toxic, hydrophobic molecules from cells and tissues.
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Affiliation(s)
- Garth L Nicolson
- Department of Molecular Pathology, The Institute for Molecular Medicine, Huntington Beach, CA, 92647, USA.
- Department of Molecular Pathology, The Institute for Molecular Medicine, P.O. Box 9355, S. Laguna Beach, CA, 92652, USA.
| | - Gonzalo Ferreira de Mattos
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Department of Biophysics, Facultad de Medicina, Universidad de La República, Montevideo, Uruguay
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Guo Q, Wu Z, Wang K, Shi J, Wei M, Lu B, Huang Z, Ji L. Forsythiaside-A improved bile-duct-ligation-induced liver fibrosis in mice: The involvement of alleviating mitochondrial damage and ferroptosis in hepatocytes via activating Nrf2. Free Radic Biol Med 2024; 222:27-40. [PMID: 38815774 DOI: 10.1016/j.freeradbiomed.2024.05.042] [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: 04/16/2024] [Revised: 05/24/2024] [Accepted: 05/25/2024] [Indexed: 06/01/2024]
Abstract
Liver fibrosis is a key and reversible stage in the progression of many chronic liver diseases to cirrhosis or hepatocellular carcinoma. Forsythiaside-A (FTA), a main compound isolated from Forsythiae Fructus, has an excellent liver protective activity. This study aims to investigate the efficacy of FTA in improving cholestatic liver fibrosis. Bile-duct-ligation (BDL) was conducted to induce liver fibrosis in mice. Hepatic collagen deposition was evaluated by Masson and Sirus red staining. The bile acid spectrum in the liver and serum was analyzed by mass spectrometry. Liver oxidative stress injury and mitochondria damage were observed by using Mito-Tracker Red fluorescence staining, transmission electron microscopy, etc. The level of ferrous iron (Fe2+) and the expression of ferroptosis-associated molecules were detected. The binding between FTA and its target protein was confirmed by Co-immunoprecipitation (Co-IP), cellular thermal shift assay (CETSA), drug affinity responsive target stability (DARTS) and surface plasmon resonance (SPR). Our results demonstrated that FTA alleviated BDL-induced liver fibrosis in mice. FTA did not decrease the elevated amount of bile acids in BDL-treated mice, but reduced the bile acid-induced mitochondrial damage, oxidative stress and ferroptosis in hepatocytes, and also induced nuclear factor erythroid 2-related factor-2 (Nrf2) activation. In Nrf2 knock-out mice, the FTA-provided protection against BDL-induced liver fibrosis was disappeared, and FTA's inhibition on mitochondrial damage, oxidative stress and ferroptosis were lowered. Further results displayed that FTA could directly bind to Kelch-like ECH-associated protein-1 (Keap1), thereby activating Nrf2. Moreover, the BDL-induced liver fibrosis was markedly weakened in liver-specific Keap1 knockout mice. Hence, this study suggests that FTA alleviated the BDL-induced liver fibrosis through attenuating mitochondrial damage and ferroptosis in hepatocytes by activating Nrf2 via directly binding to Keap1.
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Affiliation(s)
- Qian Guo
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Zeqi Wu
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Keke Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Jionghua Shi
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Mengjuan Wei
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Bin Lu
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Zhenlin Huang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China.
| | - Lili Ji
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China.
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van Drie RWA, van de Wouw J, Zandbergen LM, Dehairs J, Swinnen JV, Mulder MT, Verhaar MC, MaassenVanDenBrink A, Duncker DJ, Sorop O, Merkus D. Vasodilator reactive oxygen species ameliorate perturbed myocardial oxygen delivery in exercising swine with multiple comorbidities. Basic Res Cardiol 2024:10.1007/s00395-024-01055-z. [PMID: 38796544 DOI: 10.1007/s00395-024-01055-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/28/2024]
Abstract
Multiple common cardiovascular comorbidities produce coronary microvascular dysfunction. We previously observed in swine that a combination of diabetes mellitus (DM), high fat diet (HFD) and chronic kidney disease (CKD) induced systemic inflammation, increased oxidative stress and produced coronary endothelial dysfunction, altering control of coronary microvascular tone via loss of NO bioavailability, which was associated with an increase in circulating endothelin (ET). In the present study, we tested the hypotheses that (1) ROS scavenging and (2) ETA+B-receptor blockade improve myocardial oxygen delivery in the same female swine model. Healthy female swine on normal pig chow served as controls (Normal). Five months after induction of DM (streptozotocin, 3 × 50 mg kg-1 i.v.), hypercholesterolemia (HFD) and CKD (renal embolization), swine were chronically instrumented and studied at rest and during exercise. Sustained hyperglycemia, hypercholesterolemia and renal dysfunction were accompanied by systemic inflammation and oxidative stress. In vivo ROS scavenging (TEMPOL + MPG) reduced myocardial oxygen delivery in DM + HFD + CKD swine, suggestive of a vasodilator influence of endogenous ROS, while it had no effect in Normal swine. In vitro wire myography revealed a vasodilator role for hydrogen peroxide (H2O2) in isolated small coronary artery segments from DM + HFD + CKD, but not Normal swine. Increased catalase activity and ceramide production in left ventricular myocardial tissue of DM + HFD + CKD swine further suggest that increased H2O2 acts as vasodilator ROS in the coronary microvasculature. Despite elevated ET-1 plasma levels in DM + HFD + CKD swine, ETA+B blockade did not affect myocardial oxygen delivery in Normal or DM + HFD + CKD swine. In conclusion, loss of NO bioavailability due to 5 months exposure to multiple comorbidities is partially compensated by increased H2O2-mediated coronary vasodilation.
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Affiliation(s)
- R W A van Drie
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
- Laboratory of Vascular Medicine, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - J van de Wouw
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - L M Zandbergen
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
- Walter Brendel Center of Experimental Medicine (WBex), University Clinic Munich, 81377 LMU, Munich, Germany
| | - J Dehairs
- Laboratory of Lipid Metabolism and Cancer, Department of Oncology, KU Leuven-University of Leuven, Leuven, Belgium
| | - J V Swinnen
- Laboratory of Lipid Metabolism and Cancer, Department of Oncology, KU Leuven-University of Leuven, Leuven, Belgium
| | - M T Mulder
- Laboratory of Vascular Medicine, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - A MaassenVanDenBrink
- Laboratory of Vascular Medicine, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - D J Duncker
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - O Sorop
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - D Merkus
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands.
- Walter Brendel Center of Experimental Medicine (WBex), University Clinic Munich, 81377 LMU, Munich, Germany.
- Center for Cardiovascular Research (DZHK), Munich Heart Alliance (MHA), Partner Site Munich, 81377, Munich, Germany.
- Interfaculty Center for Endocrine and Cardiovascular Disease Network Modelling and Clinical Transfer (ICONLMU), University Clinic Munich, LMU, Munich, Germany.
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Yang S, Zhang J, Xu Z, Shao W, Pang X, Li D, Huang X, Luo W, Du Z, Li Y, Wu J, Du X. Dietary resveratrol improves the flesh quality of Siberian sturgeon (Acipenser baerii) by enhancing myofiber growth, nutrient accumulation and antioxidant capacity. BMC Genomics 2024; 25:514. [PMID: 38789922 PMCID: PMC11127361 DOI: 10.1186/s12864-024-10436-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 05/21/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND In aquaculture, sturgeons are generally maintained in the confined spaces, which not only hinders sturgeon movement, but also threatens their flesh quality that seriously concerned by aquaculture industry. As a typical antioxidant, resveratrol can improve the flesh quality of livestock and poultry. However, the mechanism of resveratrol's effect on the muscle of Siberian sturgeon is still unclear. RESULTS In this study, the dietary resveratrol increased the myofiber diameter, the content of the amino acids, antioxidant capacity markers (CAT, LDH and SOD) levels and the expression levels of mTORC1 and MYH9 in muscle of Siberian sturgeon. Further transcriptome analysis displayed that ROS production-related pathways ("Oxidative phosphorylation" and "Chemical carcinogenes-reactive oxygen species") were enriched in KEGG analysis, and the expression levels of genes related to the production of ROS (COX4, COX6A, ATPeF1A, etc.) in mitochondria were significantly down-regulated, while the expression levels of genes related to scavenging ROS (SOD1) were up-regulated. CONCLUSIONS In summary, this study reveals that resveratrol may promote the flesh quality of Siberian sturgeon probably by enhancing myofiber growth, nutritional value and the antioxidant capacity of muscle, which has certain reference significance for the development of a new type of feed for Siberian sturgeon.
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Affiliation(s)
- Shiyong Yang
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Jiajin Zhang
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Zihan Xu
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Wuyuntana Shao
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiaojian Pang
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Datian Li
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiaoli Huang
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Wei Luo
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Zongjun Du
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yunkun Li
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, China
| | - Jiayun Wu
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, China
| | - Xiaogang Du
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, China.
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Jiang X, Song Y, Lv C, Li Y, Feng X, Zhang H, Chen Y, Wang Q. Mushroom-derived bioactive components with definite structures in alleviating the pathogenesis of Alzheimer's disease. Front Pharmacol 2024; 15:1373660. [PMID: 38835656 PMCID: PMC11148366 DOI: 10.3389/fphar.2024.1373660] [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: 01/20/2024] [Accepted: 04/29/2024] [Indexed: 06/06/2024] Open
Abstract
Alzheimer's disease (AD) is a complicated neurodegenerative condition with two forms: familial and sporadic. The familial presentation is marked by autosomal dominance, typically occurring early in individuals under 65 years of age, while the sporadic presentation is late-onset, occurring in individuals over the age of 65. The majority of AD cases are characterized by late-onset and sporadic. Despite extensive research conducted over several decades, there is a scarcity of effective therapies and strategies. Considering the lack of a cure for AD, it is essential to explore alternative natural substances with higher efficacy and fewer side effects for AD treatment. Bioactive compounds derived from mushrooms have demonstrated significant potential in AD prevention and treatment by different mechanisms such as targeting amyloid formation, tau, cholinesterase dysfunction, oxidative stress, neuroinflammation, neuronal apoptosis, neurotrophic factors, ER stress, excitotoxicity, and mitochondrial dysfunction. These compounds have garnered considerable interest from the academic community owing to their advantages of multi-channel, multi-target, high safety and low toxicity. This review focuses on the various mechanisms involved in the development and progression of AD, presents the regulatory effects of bioactive components with definite structure from mushroom on AD in recent years, highlights the possible intervention pathways of mushroom bioactive components targeting different mechanisms, and discusses the clinical studies, limitations, and future perspectives of mushroom bioactive components in AD prevention and treatment.
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Affiliation(s)
- Xue Jiang
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Yu Song
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
- Koch Biotechnology (Beijing) Co., Ltd., Beijing, China
| | - Changshun Lv
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Yinghui Li
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Xiangru Feng
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Hao Zhang
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Yujuan Chen
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Qingshuang Wang
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
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Lee J, Pye N, Ellis L, Vos KD, Mortiboys H. Evidence of mitochondrial dysfunction in ALS and methods for measuring in model systems. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2024; 176:269-325. [PMID: 38802177 DOI: 10.1016/bs.irn.2024.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Metabolic dysfunction is a hallmark of multiple amyotrophic lateral sclerosis (ALS) models with a majority of ALS patients exhibiting hypermetabolism. The central sites of metabolism in the cell are mitochondria, capable of utilising a multitude of cellular substrates in an array of ATP-generating reactions. With reactive oxygen species (ROS) production occurring during some of these reactions, mitochondria can contribute considerably to oxidative stress. Mitochondria are also very dynamic organelles, interacting with other organelles, undergoing fusion/fission in response to changing metabolic states and being turned over by the cell regularly. Disruptions to many of these mitochondrial functions and processes have been reported in ALS models, largely indicating compromised mitochondrial function, increased ROS production by mitochondria, disrupted interactions with the endoplasmic reticulum and reduced turnover. This chapter summarises methods routinely used to assess mitochondria in ALS models and the alterations that have been reported in these models.
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Affiliation(s)
- James Lee
- Sheffield Institute for Translational Neuroscience, School of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom
| | - Natalie Pye
- Sheffield Institute for Translational Neuroscience, School of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom
| | - Laura Ellis
- Sheffield Institute for Translational Neuroscience, School of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom
| | - Kurt De Vos
- Sheffield Institute for Translational Neuroscience, School of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom
| | - Heather Mortiboys
- Sheffield Institute for Translational Neuroscience, School of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom.
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Wu Y, Xia Y, Hu A, Xiong G, Wu W, Shi L, Chen L, Guo X, Qiao Y, Liu C, Yin T, Wang L, Chen S. Difference in muscle metabolism caused by metabolism disorder of rainbow trout liver exposed to ammonia stress. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171576. [PMID: 38461997 DOI: 10.1016/j.scitotenv.2024.171576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/12/2024]
Abstract
Ammonia pollution is an important environmental stress factors in water eutrophication. The intrinsic effects of ammonia stress on liver toxicity and muscle quality of rainbow trout were still unclear. In this study, we focused on investigating difference in muscle metabolism caused by metabolism disorder of rainbow trout liver at exposure times of 0, 3, 6, 9 h at 30 mg/L concentrations. Liver transcriptomic analysis revealed that short-term (3 h) ammonia stress inhibited carbohydrate metabolism and glycerophospholipid production but long-term (9 h) ammonia stress inhibited the biosynthesis and degradation of fatty acids, activated pyrimidine metabolism and mismatch repair, lead to DNA strand breakage and cell death, and ultimately caused liver damage. Metabolomic analysis of muscle revealed that ammonia stress promoted the reaction of glutamic acid and ammonia to synthesize glutamine to alleviate ammonia toxicity, and long-term (9 h) ammonia stress inhibited urea cycle, hindering the alleviation of ammonia toxicity. Moreover, it accelerated the consumption of flavor amino acids such as arginine and aspartic acid, and increased the accumulation of bitter substances (xanthine) and odorous substances (histamine). These findings provide valuable insights into the potential risks and hazards of ammonia in eutrophic water bodies subject to rainbow trout.
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Affiliation(s)
- Yiwen Wu
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Yuting Xia
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; School of Bioengineering and Food Science, Hubei University of Technology, Wuhan 430068, China
| | - Ao Hu
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; School of Bioengineering and Food Science, Hubei University of Technology, Wuhan 430068, China
| | - Guangquan Xiong
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Wenjin Wu
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Liu Shi
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Lang Chen
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Xiaojia Guo
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Yu Qiao
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Chunsheng Liu
- School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
| | - Tao Yin
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Lan Wang
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China.
| | - Sheng Chen
- Key Laboratory of Agricultural Products Cold Chain Logistics, Ministry of Agriculture and Rural Affairs, Institute of Agro-Products Processing and Nuclear agricultural Technology, Hubei Academy of Agricultural Sciences, Wuhan 430064, China.
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46
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Tu Z, Yang J, Fan C. The role of different nutrients in the prevention and treatment of cardiovascular diseases. Front Immunol 2024; 15:1393378. [PMID: 38799425 PMCID: PMC11116626 DOI: 10.3389/fimmu.2024.1393378] [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: 02/29/2024] [Accepted: 04/29/2024] [Indexed: 05/29/2024] Open
Abstract
Cardiovascular health is a hot topic around the world, and as the incidence of cardiovascular disease increases each year, people are increasingly focusing on the management of their heart health. Dietary and lifestyle changes as non-pharmacological treatments have been increasingly recognized as important in the prevention of cardiovascular disease and in reducing the risk of cardiovascular accidents. Awareness of different nutrients and their effects on cardiovascular health is important for establishing a good dietary pattern. This review summarizes the effects of the five major nutrients in the daily diet, namely carbohydrates, proteins, dietary fats, vitamins, and minerals, on cardiovascular health, and aims to provide a more comprehensive understanding of the effects of a healthy dietary pattern on cardiovascular health.
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Affiliation(s)
| | | | - Chengming Fan
- Department of Cardiovascular Surgery, the Second Xiangya Hospital, Central South University, Changsha, China
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47
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Wang Y, Yuan Y, Wang R, Wang T, Guo F, Bian Y, Wang T, Ma Q, Yuan H, Du Y, Jin J, Jiang H, Han F, Jiang J, Pan Y, Wang L, Wu F. Injectable Thermosensitive Gel CH-BPNs-NBP for Effective Periodontitis Treatment through ROS-Scavenging and Jaw Vascular Unit Protection. Adv Healthc Mater 2024:e2400533. [PMID: 38722018 DOI: 10.1002/adhm.202400533] [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: 02/11/2024] [Revised: 04/29/2024] [Indexed: 05/16/2024]
Abstract
Periodontitis, a prevalent inflammatory condition in the oral cavity, is closely associated with oxidative stress-induced tissue damage mediated by excessive reactive oxygen species (ROS) production. The jaw vascular unit (JVU), encompassing both vascular and lymphatic vessels, plays a crucial role in maintaining tissue fluid homeostasis and contributes to the pathological process in inflammatory diseases of the jaw. This study presents a novel approach for treating periodontitis through the development of an injectable thermosensitive gel (CH-BPNs-NBP). The gel formulation incorporates black phosphorus nanosheets (BPNs), which are notable for their ROS-scavenging properties, and dl-3-n-butylphthalide (NBP), a vasodilator that promotes lymphatic vessel function within the JVU. These results demonstrate that the designed thermosensitive gel serve as a controlled release system, delivering BPNs and NBP to the site of inflammation. CH-BPNs-NBP not only protects macrophages and human lymphatic endothelial cells from ROS attack but also promotes M2 polarization and lymphatic function. In in vivo studies, this work observes a significant reduction in inflammation and tissue damage, accompanied by a notable promotion of alveolar bone regeneration. This research introduces a promising therapeutic strategy for periodontitis, leveraging the unique properties of BPNs and NBP within an injectable thermosensitive gel.
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Affiliation(s)
- Yuli Wang
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Yuqing Yuan
- Department of Orthodontic, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Ruyu Wang
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Tianxiao Wang
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Fanyi Guo
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Yifeng Bian
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Tianyao Wang
- Department of Periodontology, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Qian Ma
- Department of General Dentistry, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Hua Yuan
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Yifei Du
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Jianliang Jin
- Department of Human Anatomy, Research Centre for Bone and Stem Cells, School of Basic Medical Sciences, Key Laboratory for Aging & Disease, School of Biomedical Engineering and informatics, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Huijun Jiang
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Feng Han
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Jiandong Jiang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Yongchu Pan
- Department of Orthodontic, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Lulu Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Fan Wu
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
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Tang Y, Wu X, Li J, Li Y, Xu X, Li G, Zhang P, Qin C, Wu LJ, Tang Z, Tian DS. The Emerging Role of Microglial Hv1 as a Target for Immunomodulation in Myelin Repair. Aging Dis 2024; 15:1176-1203. [PMID: 38029392 PMCID: PMC11081154 DOI: 10.14336/ad.2023.1107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 11/07/2023] [Indexed: 12/01/2023] Open
Abstract
In the central nervous system (CNS), the myelin sheath ensures efficient interconnection between neurons and contributes to the regulation of the proper function of neuronal networks. The maintenance of myelin and the well-organized subtle process of myelin plasticity requires cooperation among myelin-forming cells, glial cells, and neural networks. The process of cooperation is fragile, and the balance is highly susceptible to disruption by microenvironment influences. Reactive microglia play a critical and complicated role in the demyelination and remyelination process. Recent studies have shown that the voltage-gated proton channel Hv1 is selectively expressed in microglia in CNS, which regulates intracellular pH and is involved in the production of reactive oxygen species, underlying multifaceted roles in maintaining microglia function. This paper begins by examining the molecular mechanisms of demyelination and emphasizes the crucial role of the microenvironment in demyelination. It focuses specifically on the role of Hv1 in myelin repair and its therapeutic potential in CNS demyelinating diseases.
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Affiliation(s)
- Yingxin Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Xuan Wu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Jiarui Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Yuanwei Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Xiaoxiao Xu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Gaigai Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Ping Zhang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Chuan Qin
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Long-Jun Wu
- Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA
| | - Zhouping Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Dai-Shi Tian
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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49
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Tonolo F, Coletta S, Fiorese F, Grinzato A, Albanesi M, Folda A, Ferro S, De Mario A, Piazza I, Mammucari C, Arrigoni G, Marin O, Cestonaro G, Nataloni L, Costanzo E, Lodovichi C, Rigobello MP, de Bernard M. Sunflower seed-derived bioactive peptides show antioxidant and anti-inflammatory activity: From in silico simulation to the animal model. Food Chem 2024; 439:138124. [PMID: 38064839 DOI: 10.1016/j.foodchem.2023.138124] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 11/09/2023] [Accepted: 11/29/2023] [Indexed: 01/10/2024]
Abstract
The evolving field of food technology is increasingly dedicated to developing functional foods. This study explored bioactive peptides from sunflower protein isolate (SPI), obtained from defatted flour, a by-product of the oil processing industry. SPI underwent simulated gastrointestinal digestion and the obtained peptide-enriched fraction (PEF) showed antioxidant properties in vivo, in zebrafish. Among the peptides present in PEF identified by mass spectrometry analysis, we selected those with antioxidant properties by in silico evaluation, considering their capability to interact with Keap1, key protein in the regulation of antioxidant response. The selected peptides were synthesized and evaluated in a cellular model. As a result, DVAMPVPK, VETGVIKPG, TTHTNPPPEAE, LTHPQHQQQGPSTG and PADVTPEEKPEV activated Keap1/Nrf2 pathway leading to Antioxidant Response Element-regulated enzymes upregulation. Since the crosstalk between Nrf2 and NF-κB is well known, the potential anti-inflammatory activity of the peptides was assessed and principally PADVTPEEKPEV showed good features both as antioxidant and anti-inflammatory molecule.
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Affiliation(s)
- Federica Tonolo
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy; Department of Compared Biomedicine and Food Science, Viale dell'Università 16, 35020 Legnaro, PD, Italy
| | - Sara Coletta
- Department of Biology, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Federico Fiorese
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Alessandro Grinzato
- ESRF: European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38000 Grenoble, France
| | - Marica Albanesi
- Veneto Institute of Molecular Medicine (VIMM), Padova, Italy; Padova Neuroscience Center, Università degli Studi di Padova, Padova, Italy
| | - Alessandra Folda
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Stefania Ferro
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Agnese De Mario
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Ilaria Piazza
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Cristina Mammucari
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Giorgio Arrigoni
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Oriano Marin
- Department of Biomedical Sciences, Via Ugo Bassi 58/B, 35131 Padova, Italy
| | - Giulia Cestonaro
- Cereal Docks S.p.A. - Research & Innovation Department, Via Innovazione 1, 36043 Camisano Vicentino, VI, Italy
| | - Luigi Nataloni
- Cereal Docks S.p.A, Via Innovazione 1, Camisano Vicentino, VI 36043, Italy
| | - Enrico Costanzo
- Cereal Docks S.p.A. - Research & Innovation Department, Via Innovazione 1, 36043 Camisano Vicentino, VI, Italy
| | - Claudia Lodovichi
- Veneto Institute of Molecular Medicine (VIMM), Padova, Italy; Padova Neuroscience Center, Università degli Studi di Padova, Padova, Italy; Institute of Neuroscience, Consiglio Nazionale delle Ricerche (CNR), Padova, Italy
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50
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Chun J, Moon JH, Kwack KH, Jang EY, Lee S, Kim HK, Lee JH. Single-cell RNA sequencing reveals the heterogeneity of adipose tissue-derived mesenchymal stem cells under chondrogenic induction. BMB Rep 2024; 57:232-237. [PMID: 37915134 PMCID: PMC11139680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 10/03/2023] [Accepted: 10/12/2023] [Indexed: 11/03/2023] Open
Abstract
This study investigated how adipose tissue-derived mesenchymal stem cells (AT-MSCs) respond to chondrogenic induction using droplet-based single-cell RNA sequencing (scRNA-seq). We analyzed 37,219 high-quality transcripts from control cells and cells induced for 1 week (1W) and 2 weeks (2W). Four distinct cell clusters (0-3), undetectable by bulk analysis, exhibited varying proportions. Cluster 1 dominated in control and 1W cells, whereas clusters (3, 2, and 0) exclusively dominated in control, 1W, and 2W cells, respectively. Furthermore, heterogeneous chondrogenic markers expression within clusters emerged. Gene ontology (GO) enrichment analysis of differentially expressed genes unveiled cluster-specific variations in key biological processes (BP): (1) Cluster 1 exhibited up-regulation of GO-BP terms related to ribosome biogenesis and translational control, crucial for maintaining stem cell properties and homeostasis; (2) Additionally, cluster 1 showed up-regulation of GO-BP terms associated with mitochondrial oxidative metabolism; (3) Cluster 3 displayed up-regulation of GO-BP terms related to cell proliferation; (4) Clusters 0 and 2 demonstrated similar up-regulation of GO-BP terms linked to collagen fibril organization and supramolecular fiber organization. However, only cluster 0 showed a significant decrease in GO-BP terms related to ribosome production, implying a potential correlation between ribosome regulation and the differentiation stages of AT-MSCs. Overall, our findings highlight heterogeneous cell clusters with varying balances between proliferation and differentiation before, and after, chondrogenic stimulation. This provides enhanced insights into the single-cell dynamics of AT-MSCs during chondrogenic differentiation. [BMB Reports 2024; 57(5): 232-237].
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Affiliation(s)
- Jeewan Chun
- Department of Oral Microbiology, College of Dentistry, Kyung Hee University, Seoul 02447, Korea
- Department of Dentistry, Graduate School, Kyung Hee University, Seoul 02447, Korea
| | - Ji-Hoi Moon
- Department of Oral Microbiology, College of Dentistry, Kyung Hee University, Seoul 02447, Korea
| | - Kyu Hwan Kwack
- Department of Oral Microbiology, College of Dentistry, Kyung Hee University, Seoul 02447, Korea
| | - Eun-Young Jang
- Department of Oral Microbiology, College of Dentistry, Kyung Hee University, Seoul 02447, Korea
- Department of Dentistry, Graduate School, Kyung Hee University, Seoul 02447, Korea
| | - Saebyeol Lee
- Department of Life Science, Chung-Ang University, Seoul 06974, Korea
| | - Hak Kyun Kim
- Department of Life Science, Chung-Ang University, Seoul 06974, Korea
| | - Jae-Hyung Lee
- Department of Oral Microbiology, College of Dentistry, Kyung Hee University, Seoul 02447, Korea
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