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Qian X, Qin Y, Sarasiya S, Chen J. Transcriptomic profiling of adding cobalt chloride to improve dendrobine-type total alkaloid production. Appl Microbiol Biotechnol 2024; 108:26. [PMID: 38170314 DOI: 10.1007/s00253-023-12869-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 11/09/2023] [Accepted: 11/19/2023] [Indexed: 01/05/2024]
Abstract
Trichoderma longibrachiatum UN32 is known for its efficient production of dendrobine-type total alkaloids (DTTAs). This study aimed to determine the optimal medium composition for the UN32 strain using response surface methodology. Key factors, including glucose, beef extract, and CoCl2, were selected through the Plackett-Burman design. Subsequently, a factorial optimization approach was employed using the steepest ascent design, and 17 trial sets were completed via the Box-Behnken design. The optimal medium composition was found to consist of 29.4 g/L of glucose, 17.3 g/L of beef extract, and 0.28 mmol/L of CoCl2. This optimized medium resulted in an impressive 80.8% increase in mycelial dry weight (reaching 12.303 g/L) and a substantial 76.4% boost in DTTA production (reaching 541.63 ± 46.95 μg). Furthermore, the fermentation process was scaled up to a 5-L bioreactor, leading to a DTTA production approximately 1.95 times than the control. Transcriptome analysis of strain UN32 in response to CoCl2 supplementation revealed significant changes in the expression of critical genes associated with the TCA cycle and L-valine, L-leucine, and L-isoleucine biosynthesis changed. These alterations resulted in a heightened influx of acetyl-CoA into DTTA production. Additionally, the expression of genes related to antioxidant enzymes was modified to maintain homeostasis of reactive oxygen species (ROS). A potential mechanism for the accumulation of DTTAs based on ROS as a signal transduction was proposed. These findings provide valuable insights into the regulatory mechanisms of DTTA biosynthesis, potentially offering a method to enhance the production of secondary metabolites in the UN32 strain. KEY POINTS: • After the RSM optimization, there is a substantial increase of 80.8% in biomass production and a significant 76.4% rise in DTTA production. • Transcriptome analysis revealed that the inclusion of CoCl2 supplements resulted in an enhanced influx of acetyl-CoA. • Proposed a mechanism for the accumulation of DTTAs for the role of ROS as a signal transduction pathway.
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Affiliation(s)
- Xu Qian
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211800, Jiangsu, China
| | - Yitong Qin
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211800, Jiangsu, China
| | - Surendra Sarasiya
- Bioresource Institute of Healthy Utilization, Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Jishuang Chen
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211800, Jiangsu, China.
- Bioresource Institute of Healthy Utilization, Zunyi Medical University, Zunyi, 563000, Guizhou, China.
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2
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Fang J, Zhou G, Zhao H, Xie D, Zhang J, Kües U, Xiao Y, Fang Z, Liu J. An apoptosis-inducing factor controls programmed cell death and laccase expression during fungal interactions. Appl Microbiol Biotechnol 2024; 108:135. [PMID: 38229306 DOI: 10.1007/s00253-023-12988-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/15/2023] [Accepted: 12/24/2023] [Indexed: 01/18/2024]
Abstract
Apoptotic-like programmed cell death (PCD) is one of the main strategies for fungi to resist environmental stresses and maintain homeostasis. The apoptosis-inducing factor (AIF) has been shown in different fungi to trigger PCD through upregulating reactive oxygen species (ROS). This study identified a mitochondrial localized AIF homolog, CcAIF1, from Coprinopsis cinerea monokaryon Okayama 7. Heterologous overexpression of CcAIF1 in Saccharomyces cerevisiae caused apoptotic-like PCD of the yeast cells. Ccaif1 was increased in transcription when C. cinerea interacted with Gongronella sp. w5, accompanied by typical apoptotic-like PCD in C. cinerea, including phosphatidylserine externalization and DNA fragmentation. Decreased mycelial ROS levels were observed in Ccaif1 silenced C. cinerea transformants during cocultivation, as well as reduction of the apoptotic levels, mycelial growth, and asexual sporulation. By comparison, Ccaif1 overexpression led to the opposite phenotypes. Moreover, the transcription and expression levels of laccase Lcc9 decreased by Ccaif1 silencing but increased firmly in Ccaif1 overexpression C. cinerea transformants in coculture. Thus, in conjunction with our previous report that intracellular ROS act as signal molecules to stimulate defense responses, we conclude that CcAIF1 is a regulator of ROS to promote apoptotic-like PCD and laccase expression in fungal-fungal interactions. In an axenic culture of C. cinerea, CcAIF1 overexpression and H2O2 stimulation together increased laccase secretion with multiplied production yield. The expression of two other normally silent isozymes, Lcc8 and Lcc13, was unexpectedly triggered along with Lcc9. KEY POINTS: • Mitochondrial CcAIF1 induces PCD during fungal-fungal interactions • CcAIF1 is a regulator of ROS to trigger the expression of Lcc9 for defense • CcAIF1 overexpression and H2O2 stimulation dramatically increase laccase production.
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Affiliation(s)
- Junnan Fang
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Anhui Key Laboratory of Modern Biomanufacturing, Hefei, 230601, Anhui, China
- Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, 230601, Anhui, China
| | - Gang Zhou
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Anhui Key Laboratory of Modern Biomanufacturing, Hefei, 230601, Anhui, China
- Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, 230601, Anhui, China
| | - Huifang Zhao
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Anhui Key Laboratory of Modern Biomanufacturing, Hefei, 230601, Anhui, China
- Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, 230601, Anhui, China
| | - Dengdeng Xie
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Anhui Key Laboratory of Modern Biomanufacturing, Hefei, 230601, Anhui, China
- Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, 230601, Anhui, China
| | - Jingna Zhang
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Anhui Key Laboratory of Modern Biomanufacturing, Hefei, 230601, Anhui, China
- Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, 230601, Anhui, China
| | - Ursula Kües
- Molecular Wood Biotechnology and Technical Mycology, Büsgen‑Institute, University of Goettingen, Büsgenweg 2, 37077, Goettingen, Germany
| | - Yazhong Xiao
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Anhui Key Laboratory of Modern Biomanufacturing, Hefei, 230601, Anhui, China
- Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, 230601, Anhui, China
| | - Zemin Fang
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China.
- Anhui Key Laboratory of Modern Biomanufacturing, Hefei, 230601, Anhui, China.
- Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, 230601, Anhui, China.
| | - Juanjuan Liu
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China.
- Anhui Key Laboratory of Modern Biomanufacturing, Hefei, 230601, Anhui, China.
- Anhui Provincial Engineering Technology Research Center of Microorganisms and Biocatalysis, Hefei, 230601, Anhui, China.
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3
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You W, Wang C, Zhang J, Ru X, Xu F, Wu Z, Jin P, Zheng Y, Cao S. Exogenous chlorogenic acid inhibits quality deterioration in fresh-cut potato slices. Food Chem 2024; 446:138866. [PMID: 38430769 DOI: 10.1016/j.foodchem.2024.138866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/21/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Fresh-cut potatoes are prone to surface browning and physiological degradation. Chlorogenic acid (CGA), a natural phenolic antioxidant, has demonstrated preservative properties in various postharvest products. However, the underlying mechanisms of its application on maintaining quality remain unclear. Therefore, the effect of exogenous CGA treatment on quality deterioration of potato slices and the mechanisms involved were investigated. Results revealed CGA treatment retarded the browning coloration, suppressed microbial growth and inhibited the declines in starch, and ascorbic acid contents in potato slices. Meanwhile, the treatment activated the phenylpropanoid pathway but decreased the activities of phenolic decomposition-related enzymes such as polyphenol oxidase (PPO) and tyrosinase and downregulated StPPO expression. Moreover, the treated slices exhibited reduced accumulation of reactive oxygen species and increased activity of antioxidant enzymes. Additionally, they displayed enhanced 2,2-diphenyl-1-picrylhydrazyl radicals scavenging capacity and higher ATP levels. Therefore, these findings indicated that CGA treatment was effective for quality maintenance and antioxidant capacity enhancement in fresh-cut potatoes, thereby providing potential strategies for the preservation and processing of fresh-cut produce.
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Affiliation(s)
- Wanli You
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, PR China
| | - Chunfei Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, PR China
| | - Jinglin Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, PR China
| | - Xueyin Ru
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, PR China
| | - Feng Xu
- Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315211, Zhejiang, PR China
| | - Zhengguo Wu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, PR China
| | - Peng Jin
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, PR China
| | - Yonghua Zheng
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu, PR China.
| | - Shifeng Cao
- College of Biological and Environmental Sciences, Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Zhejiang Wanli University, Ningbo 315100, PR China.
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4
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Tian L, Ren J, Luo Y. The effects of different durations of exposure to hypomagnetic field on the number of active mitochondria and ROS levels in the mouse hippocampus. Biochem Biophys Rep 2024; 38:101696. [PMID: 38586825 PMCID: PMC10995802 DOI: 10.1016/j.bbrep.2024.101696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/20/2024] [Accepted: 03/24/2024] [Indexed: 04/09/2024] Open
Abstract
Reactive oxygen species (ROS) are one of the potential molecules in response to a hypomagnetic field (HMF), and exposure to an HMF for eight weeks led to an increase in ROS levels in the whole hippocampus area in mice. ROS are mainly derived from the byproducts of mitochondrial metabolism. However, previous in vivo studies mostly focus on the influence of one time point of HMF exposure on the mouse hippocampus and lack comparative studies on the effects of different durations of HMF exposure on the mouse hippocampus. Here, we investigated the effects of different durations of HMF on the number of active mitochondria and ROS levels in mouse hippocampus. Compared with the geomagnetic field (GMF) group, we found that the number of active mitochondria in the hippocampus was significantly reduced during the sixth week of HMF exposure, whereas the number of active mitochondria was significantly reduced and the ROS levels was significantly increased during the eighth week of HMF exposure. The number of active mitochondria gradually decreased and ROS levels gradually increased in both GMF and HMF groups with prolonged exposure time. In addition, the expression level of the PGC-1α gene in the hippocampus, the main regulator of mitochondrial biogenesis, decreased significantly in the eighth week of HMF exposure. These results reveal that the changes in active mitochondria number and ROS levels were dependent on the durations of HMF exposure, and prolonged exposure to HMF exacerbates these changes.
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Affiliation(s)
- Lanxiang Tian
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Jie Ren
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Yukai Luo
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China
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5
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Zhou H, He J, Liu R, Cheng J, Yuan Y, Mao W, Zhou J, He H, Liu Q, Tan W, Shuai C, Deng Y. Microenvironment-responsive metal-phenolic network release platform with ROS scavenging, anti-pyroptosis, and ECM regeneration for intervertebral disc degeneration. Bioact Mater 2024; 37:51-71. [PMID: 38515609 PMCID: PMC10954684 DOI: 10.1016/j.bioactmat.2024.02.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/13/2024] [Accepted: 02/29/2024] [Indexed: 03/23/2024] Open
Abstract
Intervertebral disc degeneration (IVDD) can be caused by aging, injury, and genetic factors. The pathological changes associated with IVDD include the excessive accumulation of reactive oxygen species (ROS), cellular pyroptosis, and extracellular matrix (ECM) degradation. There are currently no approved specific molecular therapies for IVDD. In this study, we developed a multifunctional and microenvironment-responsive metal-phenolic network release platform, termed TMP@Alg-PBA/PVA, which could treat (IL-1β)-induced IVDD. The metal-phenolic network (TA-Mn-PVP, TMP) released from this platform targeted mitochondria to efficiently scavenge ROS and reduce ECM degradation. Pyroptosis was suppressed through the inhibition of the IL-17/ERK signaling pathway. These findings demonstrate the versatility of the platform. And in a rat model of IVDD, TMP@Alg-PBA/PVA exhibited excellent therapeutic effects by reducing the progression of the disease. TMP@Alg-PBA/PVA, therefore, presents clinical potential for the treatment of IVDD.
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Affiliation(s)
- Hao Zhou
- Department of Spine Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
- Department of Joint Surgery and Sports Medicine, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421002, China
| | - Jinpeng He
- Department of Spine Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Renfeng Liu
- Department of Spine Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Jun Cheng
- Department of Spine Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Yuhao Yuan
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Wanpu Mao
- Department of Joint Surgery and Sports Medicine, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421002, China
| | - Jun Zhou
- Institute of Medical Sciences, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Honghui He
- Department of Joint Surgery and Sports Medicine, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421002, China
| | - Qianqi Liu
- Department of Spine Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Wei Tan
- Department of Spine Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Cijun Shuai
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China
| | - Youwen Deng
- Department of Spine Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
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Zhong YL, Zhang X, Wang AJ, Song P, Zhao T, Feng JJ. Zeolitic imidazole framework-derived rich-Zn-Co 3O 4/N-doped porous carbon with multiple enzyme-like activities for synergistic cancer therapy. J Colloid Interface Sci 2024; 665:1065-1078. [PMID: 38579389 DOI: 10.1016/j.jcis.2024.03.186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/24/2024] [Accepted: 03/28/2024] [Indexed: 04/07/2024]
Abstract
Reactive oxygen species (ROS)-centered chemodynamic therapy (CDT) holds significant potential for tumor-specific treatment. However, insufficient endogenous H2O2 and extra glutathione within tumor microenvironment (TME) severely deteriorate the CDT's effectiveness. Herein, rich-Zn-Co3O4/N-doped porous carbon (Zn-Co3O4/NC) was fabricated by two-step pyrolysis, and applied to build high-efficiency nano-platform for synergistic cancer therapy upon combination with glucose oxidase (GOx), labeled Zn-Co3O4/NC-GOx for clarity. Specifically, the multiple enzyme-like activities of the Zn-Co3O4/NC were scrutinously investigated, including peroxidase-like activity to convert H2O2 to O2∙-, catalase-like activity to decompose H2O2 into O2, and oxidase-like activity to transform O2 to O2∙-, which achieved the CDT through the catalytic cascade reaction. Simultaneously, GOx reacted with intracellular glucose to produce gluconic acid and H2O2, realizing starvation therapy. In the acidic TME, the Zn-Co3O4/NC-GOx rapidly caused intracellular Zn2+ pool overload and disrupted cellular homeostasis for ion-intervention therapy. Additionally, the Zn-Co3O4/NC exhibited glutathione peroxidase-like activity, which consumed glutathione in tumor cells and reduced the ROS consumption for ferroptosis. The tumor treatments offer some constructive insights into the nanozyme-mediated catalytic medicine, coupled by avoiding the TME limitations.
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Affiliation(s)
- Yu-Lin Zhong
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Life Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Xu Zhang
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Life Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Ai-Jun Wang
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Life Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Pei Song
- Central Laboratory, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua 321000, China.
| | - Tiejun Zhao
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou 310015, China.
| | - Jiu-Ju Feng
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Life Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
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Hu T, Yue Z, Wang Y, Yu Y, Chang Y, Pei L, Chen W, Han P, Martens W, Waclawik ER, Wu H, Yong Zhu H, Jia J. Cu@CuO x/WO 3 with photo-regulated singlet oxygen and oxygen adatoms generation for selective photocatalytic aromatic amines to imines. J Colloid Interface Sci 2024; 663:632-643. [PMID: 38430833 DOI: 10.1016/j.jcis.2024.02.187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/16/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
Photocatalysts can absorb light and activate molecular O2 under mild conditions, but the generation of unsuitable reactive oxygen species often limits their use in synthesizing fine chemicals. To address this issue, we disperse 1 wt% copper on tungsten trioxide (WO3) support to create an efficient catalyst for selective oxidative coupling of aromatic amines to imines under sunlight irradiation at room temperature. Copper consists of a metallic copper core and an oxide shell. Experimental and density functional theory calculations have confirmed that Cu2O is the primary activation site. Under λ < 475 nm, the light excites electrons of the valence bands in Cu2O and WO3, which activate O2 to superoxide radical •O2-. Then rapidly transforms into oxygen adatoms (•O) and oxygen anion radicals (•O-) species on the surface of Cu2O. Simultaneously, it is captured by holes in the WO3 valence band to generate singlet oxygen (1O2). •O bind to 1O2 promoting the coupling reaction of amines. When λ > 475 nm, intense light absorption due to the localized surface plasmon resonance excites numerous electrons in Cu to promote the oxidative coupling with the adsorbed O2. This study presents a promising approach towards the design of high-performance photocatalysts for solar energy conversion and environmentally-friendly oxidative organic synthesis.
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Affiliation(s)
- Tianjun Hu
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China
| | - Zhizhu Yue
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China
| | - Ying Wang
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China
| | - Yonghe Yu
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China
| | - Yuhong Chang
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China
| | - Linjuan Pei
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China
| | - Wenwen Chen
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China
| | - Pengfei Han
- College of Chemistry and Chemical Engineering Hunan University Changsha, 410082, PR China
| | - Wayde Martens
- School of Chemistry and Physics, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Eric R Waclawik
- School of Chemistry and Physics, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Haishun Wu
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China
| | - Huai Yong Zhu
- School of Chemistry and Physics, Queensland University of Technology, Brisbane, Queensland 4000, Australia.
| | - Jianfeng Jia
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, The School of Chemical and Material Science Shanxi Normal University Taiyuan, Shanxi 030006, PR China.
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8
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Zou W, Gao F, Meng Z, Cai X, Chen W, Zheng Y, Ying T, Wang L, Wu J. Lactic acid responsive sequential production of hydrogen peroxide and consumption of glutathione for enhanced ferroptosis tumor therapy. J Colloid Interface Sci 2024; 663:787-800. [PMID: 38442520 DOI: 10.1016/j.jcis.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/07/2024]
Abstract
Ferroptosis is characterized by the lethal accumulation of lipid reactive oxygen species (ROS), which has great potential for tumor therapy. However, developing new ferroptosis-inducing strategies by combining nanomaterials with small molecule inducers is important. In this study, an enzyme-gated biodegradable natural-product delivery system based on lactate oxidase (LOD)-gated biodegradable iridium (Ir)-doped hollow mesoporous organosilica nanoparticles (HMONs) loaded with honokiol (HNK) (HNK@Ir-HMONs-LOD, HIHL) is designed to enhance ferroptosis in colon tumor therapy. After reaching the tumor microenvironment, the outer LOD dissociates and releases the HNK to induce ferroptosis. Moreover, the released dopant Ir4+ and disulfide-bridged organosilica frameworks deplete intracellular glutathione (GSH), which is followed by GSH-mediated Ir(IV)/Ir(III) conversion. This leads to the repression of glutathione peroxidase 4 (GPX4) activity and decomposition of intratumoral hydrogen peroxide (H2O2) into hydroxyl radicals (•OH) by Ir3+-mediated Fenton-like reactions. Moreover, LOD efficiently depletes lactic acid to facilitate the generation of H2O2 and boost the Fenton reaction, which in turn enhances ROS generation. With the synergistic effects of these cascade reactions and the release of HNK, notable ferroptosis efficacy was observed both in vitro and in vivo. This combination of natural product-induced and lactic acid-responsive sequential production of H2O2 as well as the consumption of glutathione may provide a new paradigm for achieving effective ferroptosis-based cancer therapy.
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Affiliation(s)
- Weijuan Zou
- Department of Ultrasound in Medicine, Shanghai Institute of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Feng Gao
- Department of Ultrasonic Imaging, the First Hospital of Shanxi Medical University, Taiyuan, 030001, PR China
| | - Zheying Meng
- Department of Ultrasound in Medicine, Shanghai Institute of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Xiaojun Cai
- Department of Ultrasound in Medicine, Shanghai Institute of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Wu Chen
- Department of Ultrasonic Imaging, the First Hospital of Shanxi Medical University, Taiyuan, 030001, PR China
| | - Yuanyi Zheng
- Department of Ultrasound in Medicine, Shanghai Institute of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Tao Ying
- Department of Ultrasound in Medicine, Shanghai Institute of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China.
| | - Longchen Wang
- Department of Ultrasound in Medicine, Shanghai Institute of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China.
| | - Jianrong Wu
- Department of Ultrasound in Medicine, Shanghai Institute of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China.
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9
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Tan JJ, Dai YF, Wang F, Lv ZH, Huang LJ, Peng LY, Li XP. Pepsin-mediated inflammation in laryngopharyngeal reflux via the ROS/NLRP3/IL-1β signaling pathway. Cytokine 2024; 178:156568. [PMID: 38471420 DOI: 10.1016/j.cyto.2024.156568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 02/19/2024] [Accepted: 03/01/2024] [Indexed: 03/14/2024]
Abstract
BACKGROUND Laryngopharyngeal reflux (LPR) is one of the most common disorders in otorhinolaryngology, affecting up to 10% of outpatients visiting otolaryngology departments. In addition, 50% of hoarseness cases are related to LPR. Pepsin reflux-induced aseptic inflammation is a major trigger of LPR; however, the underlying mechanisms are unclear. The nucleotide-binding domain and leucine-rich repeat protein 3 (NLRP3) inflammasome has become an important bridge between stimulation and sterile inflammation and is activated by intracellular reactive oxygen species (ROS) in response to danger signals, leading to an inflammatory cascade. In this study, we aimed to determine whether pepsin causes LPR-associated inflammatory injury via mediating inflammasome activation and explore the potential mechanism. METHODS We evaluated NLRP3 inflammasome expression and ROS in the laryngeal mucosa using immunofluorescence and immunohistochemistry. Laryngeal epithelial cells were exposed to pepsin and analyzed using flow cytometry, western blotting, and real-time quantitative PCR to determine ROS, NLRP3, and pro-inflammatorycytokine levels. RESULTS Pepsin expression was positively correlated with ROS as well as caspase-1 and IL-1β levels in laryngeal tissues. Intracellular ROS levels were elevated by increased pepsin concentrations, which were attenuated by apocynin (APO)-a ROS inhibitor-in vitro. Furthermore, pepsin significantly induced the mRNA and protein expression of thioredoxin-interacting protein, NLRP3, caspase-1, and IL-1β in a dose-dependent manner. APO and the NLRP3 inhibitor, MCC950, inhibited NLRP3 inflammasome formation and suppressed laryngeal epithelial cell damage. CONCLUSION Our findings verified that pepsin could regulate the NLRP3/IL-1β signaling pathway through ROS activation and further induce inflammatory injury in LPR. Targeting the ROS/NLRP3 inflammasome signaling pathway may help treat patients with LPR disease.
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Affiliation(s)
- Jia-Jie Tan
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yuan-Feng Dai
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Fan Wang
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ze-Hong Lv
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Li-Jun Huang
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ling-Yi Peng
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xiang-Ping Li
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
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Li J, Song J, Deng Z, Yang J, Wang X, Gao B, Zhu Y, Yang M, Long D, Luo X, Zhang M, Zhang M, Li R. Robust reactive oxygen species modulator hitchhiking yeast microcapsules for colitis alleviation by trilogically intestinal microenvironment renovation. Bioact Mater 2024; 36:203-220. [PMID: 38463553 PMCID: PMC10924178 DOI: 10.1016/j.bioactmat.2024.02.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 02/21/2024] [Accepted: 02/25/2024] [Indexed: 03/12/2024] Open
Abstract
Ulcerative colitis (UC) is characterized by chronic inflammatory processes of the intestinal tract of unknown origin. Current treatments lack understanding on how to effectively alleviate oxidative stress, relieve inflammation, as well as modulate gut microbiota for maintaining intestinal homeostasis synchronously. In this study, a novel drug delivery system based on a metal polyphenol network (MPN) was constructed via metal coordination between epigallocatechin gallate (EGCG) and Fe3+. Curcumin (Cur), an active polyphenolic compound, with distinguished anti-inflammatory activity was assembled and encapsulated into MPN to generate Cur-MPN. The obtained Cur-MPN could serve as a robust reactive oxygen species modulator by efficiently scavenging superoxide radical (O2•-) as well as hydroxyl radical (·OH). By hitchhiking yeast microcapsule (YM), Cur-MPN was then encapsulated into YM to obtain CM@YM. Our findings demonstrated that CM@YM was able to protect Cur-MPN to withstand the harsh gastrointestinal environment and enhance the targeting and retention abilities of the inflamed colon. When administered orally, CM@YM could alleviate DSS-induced colitis with protective and therapeutic effects by scavenging ROS, reducing pro-inflammatory cytokines, and regulating the polarization of macrophages to M1, thus restoring barrier function and maintaining intestinal homeostasis. Importantly, CM@YM also modulated the gut microbiome to a favorable state by improving bacterial diversity and transforming the compositional structure to an anti-inflammatory phenotype as well as increasing the content of short-chain fatty acids (SCFA) (such as acetic acid, propionic acid, and butyric acid). Collectively, with excellent biocompatibility, our findings indicate that synergistically regulating intestinal microenvironment will be a promising approach for UC.
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Affiliation(s)
- Jintao Li
- Department of Radiology, the First Affiliated Hospital, School of Public Health, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Jian Song
- Institute of Cardiovascular Sciences, Guangxi Academy of Medical Sciences, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530021, China
| | - Zhichao Deng
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Jian Yang
- Department of Radiology, the First Affiliated Hospital, School of Public Health, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Xiaoqin Wang
- Department of Clinical Laboratory, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Bowen Gao
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Yuanyuan Zhu
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Mei Yang
- Department of Thoracic Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Dingpei Long
- State Key Laboratory of Resource Insects, Institute of Sericulture and Systems Biology, Southwest University, Chongqing, 400715, China
| | - Xiaoqin Luo
- Department of Radiology, the First Affiliated Hospital, School of Public Health, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Mingxin Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, Shaanxi, 710077, China
| | - Mingzhen Zhang
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Runqing Li
- Department of Radiology, the First Affiliated Hospital, School of Public Health, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
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11
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Yoshino Y, Fujii Y, Chihara K, Nakae A, Enmi JI, Yoshioka Y, Miyawaki I. Non-invasive differentiation of hepatic steatosis and steatohepatitis in a mouse model using nitroxyl radical as an MRI-contrast agent. Toxicol Rep 2024; 12:1-9. [PMID: 38173653 PMCID: PMC10758964 DOI: 10.1016/j.toxrep.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 01/05/2024] Open
Abstract
Drug-induced steatohepatitis is considered more serious than drug-induced hepatic steatosis, so that differentiating between the two is crucial in drug development. In addition, early detection of drug-induced steatohepatitis is considered important since recovery is possible with drug withdrawal. However, no method has been established to differentiate between the two. In the development of drug-induced steatohepatitis, reactive oxygen species (ROS) is excessively generated in the liver. It has been reported that ROS can be monitored with electron spin resonance (ESR) and dynamic nuclear polarization-magnetic resonance imaging (DNP-MRI) by using nitroxyl radicals, which are known to participate in various in vivo redox reactions. The decay/reduction rate, which is an index for monitoring nitroxyl radicals, has been reported to be increased in tissues with excessive ROS levels other than liver, but decreased in methionine choline deficient (MCD) diet-induced steatohepatitis with excess ROS. Therefore, looking to differentiate between drug-induced hepatic steatosis and steatohepatitis, we examined whether the reduction rate decreases in steatohepatitis other than the MCD-diet induced disease and whether the decrease could be detected by MRI. We used STAM™ mice in which hepatic steatosis and steatohepatitis developed sequentially under diabetic conditions. 3-carbamoyl-PROXYL (CmP), one of the nitroxyl radicals, was injected intravenously during the MRI procedure and the reduction rate was calculated. The reduction rate was significantly higher in early steatohepatitis than in hepatic steatosis and the control. Excess ROS in early steatohepatitis was detected by an immunohistochemical marker for ROS. Therefore, it was indicated that the increase or decrease in the reduction rate in steatohepatitis differs depending on the model, and early steatohepatitis could be noninvasively differentiated from hepatic steatosis using CmP in MRI. Since the change in direction of the reduction rate in steatohepatitis in clinical studies could be predicted by confirming the reduction rate in preclinical studies, the present method, which can be used consistently in clinical and preclinical studies, warrants consideration as a candidate monitoring method for differentiating between early drug-induced steatohepatitis and hepatic steatosis in drug development.
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Affiliation(s)
- Yuka Yoshino
- Preclinical Research Unit, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
| | - Yuta Fujii
- Preclinical Research Unit, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
| | - Kazuhiro Chihara
- Preclinical Research Unit, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
| | - Aya Nakae
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
- Center for Information and Neural Networks (CiNet), Osaka University and National Institute of Information and Communications Technology (NICT), 1-4 Yamadaoka, Suita City, Osaka 565-0871, Japan
| | - Jun-ichiro Enmi
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
- Center for Information and Neural Networks (CiNet), Osaka University and National Institute of Information and Communications Technology (NICT), 1-4 Yamadaoka, Suita City, Osaka 565-0871, Japan
| | - Yoshichika Yoshioka
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita city, Osaka 565-0871, Japan
- Center for Information and Neural Networks (CiNet), Osaka University and National Institute of Information and Communications Technology (NICT), 1-4 Yamadaoka, Suita City, Osaka 565-0871, Japan
| | - Izuru Miyawaki
- Preclinical Research Unit, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
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12
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Zhang Q, Liu Q, Xue H, Bi Y, Li X, Xu X, Liu Z, Prusky D. ROS mediated by TrPLD3 of Trichothecium roseum participated cell membrane integrity of apple fruit by influencing phosphatidic acid metabolism. Food Microbiol 2024; 120:104484. [PMID: 38431329 DOI: 10.1016/j.fm.2024.104484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 03/05/2024]
Abstract
Trichothecium roseum is a typical necrotrophic fungal pathogen that not only bring about postharvest disease, but contribute to trichothecenes contamination in fruit and vegetables. Phospholipase D (PLD), as an important membrane lipid degrading enzyme, can produce phosphatidic acid (PA) by hydrolyzing phosphatidylcholine (PC) and phosphatidylinositol (PI). PA can promote the production of reactive oxygen species (ROS) by activating the activity of NADPH oxidase (NOX), thereby increasing the pathogenicity to fruit. However, the ROS mediated by TrPLD3 how to influence T. roseum infection to fruit by modulating phosphatidic acid metabolism, which has not been reported. In this study, the knockout mutant and complement strain of TrPLD3 were constructed through homologous recombination, TrPLD3 was tested for its effect on the colony growth and pathogenicity of T. roseum. The experimental results showed that the knockout of TrPLD3 inhibited the colony growth of T. roseum, altered the mycelial morphology, completely inhibited the sporulation, and reduced the accumulation of T-2 toxin. Moreover, the knockout of TrPLD3 significantly decreased pathogenicity of T. roseum on apple fruit. Compared to inoculated apple fruit with the wide type (WT), the production of ROS in apple infected with ΔTrPLD3 was slowed down, the relative expression and enzymatic activity of NOX, and PA content decreased, and the enzymatic activity and gene expression of superoxide dismutase (SOD) increased. In addition, PLD, lipoxygenase (LOX) and lipase activities were considerably decreased in apple fruit infected with ΔTrPLD3, the changes of membrane lipid components were slowed down, the decrease of unsaturated fatty acid content was alleviated, and the accumulation of saturated fatty acid content was reduced, thereby maintaining the cell membrane integrity of the inoculated apple fruit. We speculated that the decreased PA accumulation in ΔTrPLD3-inoculated apple fruit further weakened the interaction between PA and NOX on fruit, resulting in the reduction of ROS accumulation of fruits, which decreased the damage to the cell membrane and maintained the cell membrane integrity, thus reducing the pathogenicity to apple. Therefore, TrPLD3-mediated ROS plays a critical regulatory role in reducing the pathogenicity of T. roseum on apple fruit by influencing phosphatidic acid metabolism.
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Affiliation(s)
- Qianqian Zhang
- College of Science, Gansu Agricultural University, Lanzhou, 730070, PR China
| | - Qili Liu
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, 730070, PR China
| | - Huali Xue
- College of Science, Gansu Agricultural University, Lanzhou, 730070, PR China.
| | - Yang Bi
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, 730070, PR China
| | - Xiao Li
- College of Science, Gansu Agricultural University, Lanzhou, 730070, PR China
| | - Xiaobin Xu
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, 730070, PR China
| | - Zhiguang Liu
- College of Science, Gansu Agricultural University, Lanzhou, 730070, PR China
| | - Dov Prusky
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, 730070, PR China; Department of Postharvest Science of Fresh Produce, Agricultural Research Organization, Rishon LeZion, 7505101, Israel
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13
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Wei R, Fu G, Li Z, Liu Y, Qi L, Liu K, Zhao Z, Xue M. Au-Fe 3O 4 Janus nanoparticles for imaging-guided near infrared-enhanced ferroptosis therapy in triple negative breast cancer. J Colloid Interface Sci 2024; 663:644-655. [PMID: 38430834 DOI: 10.1016/j.jcis.2024.02.201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/25/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
Triple-negative breast cancer (TNBC) is insensitive to conventional therapy due to its highly invasive nature resulting in poor therapeutic outcomes. Recent studies have shown multiple genes associated with ferroptosis in TNBC, suggesting an opportunity for ferroptosis-based treatment of TNBC. However, the efficiency of present ferroptosis agents for cancer is greatly restricted due to lack of specificity and low intracellular levels of H2O2 in cancer cells. Herein, we report a nano-theranostic platform consisting of gold (Au)-iron oxide (Fe3O4) Janus nanoparticles (GION@RGD) that effectively enhances the tumor-specific Fenton reaction through utilization of near-infrared (NIR) lasers, resulting in the generation of substantial quantities of toxic hydroxyl radicals (•OH). Specifically, Au nanoparticles (NPs) converted NIR light energy into thermal energy, inducing generation of abundant intracellular H2O2, thereby enhancing the iron-induced Fenton reaction. The generated •OH not only lead to apoptosis of malignant tumor cells but also induce the accumulation of lipid peroxides, causing ferroptosis of tumor cells. After functionalizing with the activity-targeting ligand RGD (Arg-Gly-Asp), precise synergistic treatment of TNBC was achieved in vivo under the guidance of Fe3O4 enhanced T2-weighted magnetic resonance imaging (MRI). This synergistic treatment strategy of NIR-enhanced ferroptosis holds promise for the treatment of TNBC.
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Affiliation(s)
- Ruixue Wei
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.
| | - Gaoliang Fu
- Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou 450006, Henan, China
| | - Zhe Li
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Yang Liu
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Lingxiao Qi
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Kun Liu
- College of Medical Engineering, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Zhenghuan Zhao
- College of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
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14
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Yadav G, Nirmalkar N, Ohl CD. Electrochemically reactive colloidal nanobubbles by water splitting. J Colloid Interface Sci 2024; 663:518-531. [PMID: 38422977 DOI: 10.1016/j.jcis.2024.02.148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/07/2024] [Accepted: 02/19/2024] [Indexed: 03/02/2024]
Abstract
HYPOTHESIS The existing literature reports have conflicting views on reactive oxygen species (ROS) generation by bulk nanobubbles. Consequently, we propose the hypothesis that (i) ROS may be generated during the process of nanobubble generation through water splitting, and (ii) bulk nanobubbles possess electrochemical reactivity, which could potentially lead to continuous ROS generation even after the cessation of nanobubble production. EXPERIMENTS A comprehensive set of experiments was conducted to generate nanobubbles in pure water using the water-splitting method. The primary aims of this study are as follows: (i) nanobubble generation by electrolysis and its characterization; (ii) to provide conclusive evidence that the nano-entities are indeed nanobubbles; (iii) to quantify the production of reactive oxygen species during the process of nanobubble generation and (iv) to establish evidence for the presence of electrochemically reactive nanobubbles. The findings of our experiment suggest that bulk nanobubbles possess the ability to generate reactive oxygen species (ROS) during the process of nanobubble nucleation. Additionally, our results indicate that bulk nanobubbles are electrochemically reactive after the cessation of nanobubble production. The electron spin spectroscopy (ESR) response and degradation of the dye compound over time confirm the electrochemical reactivity of bulk nanobubbles.
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Affiliation(s)
- Gaurav Yadav
- Department of Chemical Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001, Punjab, India
| | - Neelkanth Nirmalkar
- Department of Chemical Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001, Punjab, India.
| | - Claus-Dieter Ohl
- Otto von Guerricke University, Institute for Physics, Universitätsplatz, Magdeburg, 39106, Germany
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Seyama Y, Sudo K, Yamada T, Tsuchiya K, Nakamura Y. Ascorbic acid predominantly kills cancer stem cell-like cells in the hepatocellular carcinoma cell line Li-7 and is more effective at low cell density and in small spheroids. Biochem Biophys Res Commun 2024; 709:149816. [PMID: 38547607 DOI: 10.1016/j.bbrc.2024.149816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 03/20/2024] [Indexed: 04/13/2024]
Abstract
The development of therapies that target cancer stem cells (CSCs) is an important challenge in cancer research. The antioxidant system is enhanced in CSCs, which may lead to resistance to existing therapies. Ascorbic acid (AA) has the potential to act as both an antioxidant and a pro-oxidant agent, but its effects on CSCs are a subject of current research. Here, we investigated the effect of AA focusing specifically on CSCs with the hepatocellular carcinoma cell line Li-7. The Li-7 cell line is heterogenous consisting of CD166- and CD166+ cells; CD166- cells include CSC-like cells (CD13+CD166- cells) and CD13-CD166- cells that can revert to CD13+CD166- cells. The addition of AA to the culture medium caused cell death in both cell populations in CD166- cells in a concentration dependent manner. In contrast, AA administration had a limited effect on CD166+ non-CSC cells. The level of reactive oxygen species after AA treatment was elevated only in CD166- cells. The effect of AA only occurred at low cell densities in 2D and 3D cultures. In a mouse tumor model injected with Li-7 cells, intraperitoneal administration of AA failed to prevent tumor formation but appeared to delay tumor growth. Our findings shed light on why AA administration has not become a mainstream treatment for cancer treatment; however, they also show the possibility that AA can be used in therapies to suppress CSCs.
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Affiliation(s)
- Yusuke Seyama
- Division of Gastroenterology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan; Cell Engineering Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | - Kazuhiro Sudo
- Cell Engineering Division, RIKEN BioResource Research Center, Tsukuba, Japan.
| | - Takeshi Yamada
- Division of Gastroenterology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan; Division of Clinical Research and Regional Innovation, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Kiichiro Tsuchiya
- Division of Gastroenterology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN BioResource Research Center, Tsukuba, Japan.
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Su C, Chen A, Liang W, Xie W, Xu X, Zhan X, Zhang W, Peng C. Copper-based nanomaterials: Opportunities for sustainable agriculture. Sci Total Environ 2024; 926:171948. [PMID: 38527545 DOI: 10.1016/j.scitotenv.2024.171948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 03/08/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
The exponential growth of the global population has resulted in a significant surge in the demand for food worldwide. Additionally, the impact of climate change has exacerbated crop losses caused by pests and pathogens. The transportation and utilization of traditional agrochemicals in the soil are highly inefficient, resulting in significant environmental losses and causing severe pollution of both the soil and aquatic ecosystems. Nanotechnology is an emerging field with significant potential for market applications. Among metal-based nanomaterials, copper-based nanomaterials have demonstrated remarkable potential in agriculture, which are anticipated to offer a promising alternative approach for enhancing crop yields and managing diseases, among other benefits. This review firstly performed co-occurrence and clustering analyses of previous studies on copper-based nanomaterials used in agriculture. Then a comprehensive review of the applications of copper-based nanomaterials in agricultural production was summarized. These applications primarily involved in nano-fertilizers, nano-regulators, nano-stimulants, and nano-pesticides for enhancing crop yields, improving crop resistance, promoting crop seed germination, and controlling crop diseases. Besides, the paper concluded the potential impact of copper-based nanomaterials on the soil micro-environment, including soil physicochemical properties, enzyme activities, and microbial communities. Additionally, the potential mechanisms were proposed underlying the interactions between copper-based nanomaterials, pathogenic microorganisms, and crops. Furthermore, the review summarized the factors affecting the application of copper-based nanomaterials, and highlighted the advantages and limitations of employing copper-based nanomaterials in agriculture. Finally, insights into the future research directions of nano-agriculture were put forward. The purpose of this review is to encourage more researches and applications of copper-based nanomaterials in agriculture, offering a novel and sustainable strategy for agricultural development.
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Affiliation(s)
- Chengpeng Su
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Anqi Chen
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Weiyu Liang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Wenwen Xie
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiang Xu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiuping Zhan
- Shanghai Agricultural Technology Extension and Service Center, Shanghai 201103, China
| | - Wei Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Cheng Peng
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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17
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Shu X, Qin Z, Nie C, Zhang D, Du H, Zhang Q, Dang Z. Inhibition photooxidation of pyrite under illumination via altering photogenerated carrier migration pathways: Role of DTC-TETA surface passivation. Sci Total Environ 2024; 926:171988. [PMID: 38537811 DOI: 10.1016/j.scitotenv.2024.171988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 03/04/2024] [Accepted: 03/24/2024] [Indexed: 04/04/2024]
Abstract
The oxidation of pyrite is the main cause of acidic mine drainage (AMD), which is a very serious environmental problem in numerous mining areas around the world. Previous studies have shown that passivation agents create a hydrophobic film on the surface of pyrite, effectively isolating oxygen and water. However, the presence of abundant sulfide minerals in tailings ponds may exacerbate AMD when exposed to solar radiation, due to the semiconductor properties of pyrite. It remains uncertain whether the current surface passivation coating can effectively prevent the oxidation of pyrite under light conditions. This paper is the first to investigate the passivation effect as well as the mechanism of surface passivation coating on pyrite under illumination from the perspective of materials science. The results demonstrated that the triethylenetetramine-bisdithiocarbamate (DTC-TETA) passivation coating on pyrite almost completely suppressed the photooxidation of pyrite under illumination by changing the migration path of photogenerated charge carriers. The formation of NC(S)2-Fe chelating groups provides atomic-level interface channels for DTC-TETA to transfer electrons to pyrite and creates a favorable reduction environment for pyrite. Besides, DTC-TETA coating greatly improves the electron-hole pairs recombination efficiency of pyrite, which significantly inhibits the photogenerated electron reduction of oxygen to generate reactive oxygen species (ROS). Moreover, DTC-TETA coating captures the photogenerated holes, avoiding direct oxidation of pyrite by holes. Density functional theory (DFT) calculations revealed that the DTC-TETA coating increases the adsorption energy barrier for oxygen and water. The results extend the existing knowledge on passivation mechanisms on pyrite and hold significant implications for the future screening, evaluation, and practical application of surface passivating agents.
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Affiliation(s)
- Xiaohua Shu
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin 541006, China; College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541000, PR China
| | - ZiQi Qin
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541000, PR China
| | - Changda Nie
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541000, PR China
| | - Dinghua Zhang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541000, PR China
| | - Haijie Du
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541000, PR China.
| | - Qian Zhang
- School of Life and Environmental Science, Guilin University of Electronic Technology, Guilin, Guangxi 541000, PR China.
| | - Zhi Dang
- School of Environment and Energy, South China University of Technology, Guangzhou 510640, PR China
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Soni S, Jha AB, Dubey RS, Sharma P. Nanowonders in agriculture: Unveiling the potential of nanoparticles to boost crop resilience to salinity stress. Sci Total Environ 2024; 925:171433. [PMID: 38458469 DOI: 10.1016/j.scitotenv.2024.171433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 02/10/2024] [Accepted: 03/01/2024] [Indexed: 03/10/2024]
Abstract
Soil salinization significantly affects crop production by reducing crop quality and decreasing yields. Climate change can intensify salinity-related challenges, making the task of achieving global food security more complex. To address the problem of elevated salinity stress in crops, nanoparticles (NPs) have emerged as a promising solution. NPs, characterized by their small size and extensive surface area, exhibit remarkable functionality and reactivity. Various types of NPs, including metal and metal oxide NPs, carbon-based NPs, polymer-based NPs, and modified NPs, have displayed potential for mitigating salinity stress in plants. However, the effectiveness of NPs application in alleviating plant stress is dependent upon multiple factors, such as NPs size, exposure duration, plant species, particle composition, and prevailing environmental conditions. Moreover, alterations to NPs surfaces through functionalization and coating also play a role in influencing plant tolerance to salinity stress. NPs can influence cellular processes by impacting signal transduction and gene expression. They counteract reactive oxygen species (ROS), regulate the water balance, enhance photosynthesis and nutrient uptake and promote plant growth and yield. The objective of this review is to discuss the positive impacts of diverse NPs on alleviating salinity stress within plants. The intricate mechanisms through which NPs accomplish this mitigation are also discussed. Furthermore, this review addresses existing research gaps, recent breakthroughs, and prospective avenues for utilizing NPs to combat salinity stress.
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Affiliation(s)
- Sunil Soni
- School of Environment and Sustainable Development, Central University of Gujarat, Sector-30, Gandhinagar 382030, Gujarat, India
| | - Ambuj Bhushan Jha
- School of Life Sciences, Central University of Gujarat, Sector-30, Gandhinagar 382030, Gujarat, India
| | - Rama Shanker Dubey
- Central University of Gujarat, Sector-29, Gandhinagar 382030, Gujarat, India
| | - Pallavi Sharma
- School of Environment and Sustainable Development, Central University of Gujarat, Sector-30, Gandhinagar 382030, Gujarat, India.
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Li Z, Gao J, Wang B, Zhang H, Tian Y, Peng R, Yao Q. Ectopic expression of an Old Yellow Enzyme (OYE3) gene from Saccharomyces cerevisiae increases the tolerance and phytoremediation of 2-nitroaniline in rice. Gene 2024; 906:148239. [PMID: 38325666 DOI: 10.1016/j.gene.2024.148239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/27/2024] [Accepted: 01/31/2024] [Indexed: 02/09/2024]
Abstract
2-nitroaniline (2-NA) is an environmental pollutant and has been extensively used as intermediates in organic synthesis. The presence of 2-NA in the environment is not only harmful for aquatic life but also mutagenic for human beings. In this study, we constructed transgenic rice expressing an Old Yellow Enzyme gene, ScOYE3, from Saccharomyces cerevisiae. The ScOYE3 transgenic plants were comprehensively investigated for their biochemical responses to 2-NA treatment and their 2-NA phytoremediation capabilities. Our results showed that the rice seedlings exposed to 2-NA stress, showed growth inhibition and biomass reduction. However, the transgenic plants exhibited strong tolerance to 2-NA stress compared to wild-type plants. Ectopic expression of ScOYE3 could effectively protect transgenic plants against 2-NA damage, which resulted in less reactive oxygen species accumulation in transgenic plants than that in wild-type plants. Our phytoremediation assay revealed that transgenic plants could eliminate more 2-NA from the medium than wild-type plants. Moreover, omics analysis was performed in order to get a deeper insight into the mechanism of ScOYE3-mediated 2-NA transformation in rice. Altogether, the function of ScOYE3 during 2-NA detoxification was characterized for the first time, which serves as strong theoretical support for the phytoremediation potential of 2-NA by Old Yellow Enzyme genes.
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Affiliation(s)
- Zhenjun Li
- Shanghai Key Laboratory of Agricultural Genetics and Breeding, Agro-Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, 2901 Beidi Rd, Shanghai 201106, PR China
| | - Jianjie Gao
- Shanghai Key Laboratory of Agricultural Genetics and Breeding, Agro-Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, 2901 Beidi Rd, Shanghai 201106, PR China
| | - Bo Wang
- Shanghai Key Laboratory of Agricultural Genetics and Breeding, Agro-Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, 2901 Beidi Rd, Shanghai 201106, PR China
| | - Hao Zhang
- Shanghai Key Laboratory of Agricultural Genetics and Breeding, Agro-Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, 2901 Beidi Rd, Shanghai 201106, PR China
| | - Yongsheng Tian
- Shanghai Key Laboratory of Agricultural Genetics and Breeding, Agro-Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, 2901 Beidi Rd, Shanghai 201106, PR China.
| | - Rihe Peng
- Shanghai Key Laboratory of Agricultural Genetics and Breeding, Agro-Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, 2901 Beidi Rd, Shanghai 201106, PR China.
| | - Quanhong Yao
- Shanghai Key Laboratory of Agricultural Genetics and Breeding, Agro-Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, 2901 Beidi Rd, Shanghai 201106, PR China.
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20
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Cruz TM, Lima ADS, Silva AO, Mohammadi N, Zhang L, Azevedo L, Marques MB, Granato D. High-throughput synchronous erythrocyte cellular antioxidant activity and protection screening of phenolic-rich extracts: Protocol validation and applications. Food Chem 2024; 440:138281. [PMID: 38160597 DOI: 10.1016/j.foodchem.2023.138281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 12/13/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
Oxidative/nitrosative damage takes part in chronic disease development, which generates an urgent need for intervention and better therapies to manage them. The scientific community has demanded easy-to-run, cheap, and reliable methods for cellular antioxidant activity assays. This work standardised and validated an erythrocyte cellular antioxidant activity and membrane protection/injury (HERYCA-P) protocol to study food-derive extracts. The method measures intracellular reactive oxygen species (ROS) generation, lipoperoxidation, and haemolysis induced by 2,2'-azobis(2-amidinopropane) dihydrochloride. Quercetin decreased ROS generation by 50.4% and haemolysis by 2.2%, while ascorbic acid inhibited lipid peroxidation by 40.1%. Total phenolic contents of teas were correlated with decreased ROS generation (r = -0.924), lipoperoxidation (r = -0.951), and haemolysis (r = -0.869). The erythrocyte ROS generation and lipoperoxidation were also associated with CUPRAC (r = -0.925; r = -0.951) and hydroxyl radical scavenging activity (r = -0.936; r = -0.949). The precision rates of antioxidant standards and tea samples were below 15%. HERYCA-P is feasible as a complementary antioxidant assay for food matrices.
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Affiliation(s)
- Thiago Mendanha Cruz
- University of Limerick, Faculty of Science and Engineering, Department of Biological Sciences, Bioactivity and Applications Lab, V94 T9PX Limerick, Ireland; State University of Ponta Grossa (UEPG), Department of Chemistry, Av. Carlos Cavalcanti, 4748, 84030-900 Ponta Grossa, Brazil
| | - Amanda Dos Santos Lima
- University of Limerick, Faculty of Science and Engineering, Department of Biological Sciences, Bioactivity and Applications Lab, V94 T9PX Limerick, Ireland; Federal University of Alfenas, Faculty of Nutrition, Rua Gabriel Monteiro da Silva, 714, 37130-000 Alfenas, Brazil
| | - Alessandra Oliveira Silva
- University of Limerick, Faculty of Science and Engineering, Department of Biological Sciences, Bioactivity and Applications Lab, V94 T9PX Limerick, Ireland; Federal University of Alfenas, Faculty of Pharmaceutical Sciences, Rua Gabriel Monteiro da Silva, 714, 37130-000 Alfenas, Brazil
| | - Nima Mohammadi
- University of Limerick, Faculty of Science and Engineering, Department of Biological Sciences, Bioactivity and Applications Lab, V94 T9PX Limerick, Ireland
| | - Liang Zhang
- Anhui Agricultural University, State Key Laboratory of Tea Plant Biology and Utilization, Hefei 230036, China
| | - Luciana Azevedo
- University of Limerick, Faculty of Science and Engineering, Department of Biological Sciences, Bioactivity and Applications Lab, V94 T9PX Limerick, Ireland; Federal University of Alfenas, Faculty of Nutrition, Rua Gabriel Monteiro da Silva, 714, 37130-000 Alfenas, Brazil
| | - Mariza Boscacci Marques
- State University of Ponta Grossa (UEPG), Department of Chemistry, Av. Carlos Cavalcanti, 4748, 84030-900 Ponta Grossa, Brazil
| | - Daniel Granato
- University of Limerick, Faculty of Science and Engineering, Department of Biological Sciences, Bioactivity and Applications Lab, V94 T9PX Limerick, Ireland; Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland.
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Vojnits K, de León A, Rathore H, Liao S, Zhao M, Gibon J, Pakpour S. ROS-dependent degeneration of human neurons induced by environmentally relevant levels of micro- and nanoplastics of diverse shapes and forms. J Hazard Mater 2024; 469:134017. [PMID: 38518696 DOI: 10.1016/j.jhazmat.2024.134017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 03/24/2024]
Abstract
Our study explores the pressing issue of micro- and nanoplastics (MNPs) inhalation and their subsequent penetration into the brain, highlighting a significant environmental health concern. We demonstrate that MNPs can indeed penetrate murine brain, warranting further investigation into their neurotoxic effects in humans. We then proceed to test the impact of MNPs at environmentally relevant concentrations, with focusing on variations in size and shape. Our findings reveal that these MNPs induce oxidative stress, cytotoxicity, and neurodegeneration in human neurons, with cortical neurons being more susceptible than nociceptors. Furthermore, we examine the role of biofilms on MNPs, demonstrating that MNPs can serve as a vehicle for pathogenic biofilms that significantly exacerbate these neurotoxic effects. This sequence of investigations reveals that minimal MNPs accumulation can cause oxidative stress and neurodegeneration in human neurons, significantly risking brain health and highlights the need to understand the neurological consequences of inhaling MNPs. Overall, our developed in vitro testing battery has significance in elucidating the effects of environmental factors and their associated pathological mechanisms in human neurons.
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Affiliation(s)
- Kinga Vojnits
- School of Engineering, University of British Columbia, Kelowna, BC, Canada
| | - Andrés de León
- School of Engineering, University of British Columbia, Kelowna, BC, Canada; Department of Biology, University of British Columbia, Kelowna, BC, Canada
| | - Harneet Rathore
- School of Engineering, University of British Columbia, Kelowna, BC, Canada
| | - Sophia Liao
- School of Engineering, University of British Columbia, Kelowna, BC, Canada
| | - Michael Zhao
- School of Engineering, University of British Columbia, Kelowna, BC, Canada
| | - Julien Gibon
- Department of Biology, University of British Columbia, Kelowna, BC, Canada; Office of Vice-Principal, Research and Innovation, McGill University, Montreal, Quebec, Canada
| | - Sepideh Pakpour
- School of Engineering, University of British Columbia, Kelowna, BC, Canada.
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22
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Xu Y, Shui X, Gao M, Zhang Y, Zhang Z, Zhu Z, Zhao B, Sun D. Toxicological effects and mechanisms of lithium on growth, photosynthesis and antioxidant system in the freshwater microalga Chromochloris zofingiensis. J Hazard Mater 2024; 469:133898. [PMID: 38422737 DOI: 10.1016/j.jhazmat.2024.133898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/02/2024] [Accepted: 02/24/2024] [Indexed: 03/02/2024]
Abstract
The growing prevalence of lithium (Li) batteries has drawn public attention to Li as an emerging pollutant. The present study investigates the toxicity of Li+ on Chromochloris zofingiensis, examining physiological, biochemical and omics aspects. Results reveal hormesis effects of Li+ on C. zofingiensis growth. At Li+ concentrations below 5 mg L-1, Li+ can enhance chlorophyll content, mitochondrial activity, and antioxidant capacity, leading to increased dry cell weight and cell number. Conversely, when it exceeded 10 mg L-1, Li+ can reduce chlorophyll content, induce oxidative stress, and disrupt chloroplast and mitochondria structure and function, ultimately impeding cell growth. In addition, under 50 mg L-1 Li+ stress, microalgae optimize absorbed light energy use (increasing Fv/Fm and E TR ) and respond to stress by up-regulating genes in starch and lipid biosynthesis pathways, promoting the accumulation of storage components. Weighted gene co-expression network analysis indicates that peptidylprolyl cis/trans isomerase, GTPase and L-ascorbate oxidase might be the key regulators in response to Li+ stress. This research marks the toxic effects and molecular mechanisms of Li+ on freshwater microalga, which would improve our understanding of Li's toxicology and contributing to the establishment of Li pollution standards.
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Affiliation(s)
- Yaqi Xu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Xiaoxi Shui
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Min Gao
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Yushu Zhang
- School of Life Sciences, Hebei University, Baoding 071000, China
| | - Zhao Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Zhengge Zhu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Baohua Zhao
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Dongzhe Sun
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China.
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Yadav A, Dabur R. Skeletal muscle atrophy after sciatic nerve damage: Mechanistic insights. Eur J Pharmacol 2024; 970:176506. [PMID: 38492879 DOI: 10.1016/j.ejphar.2024.176506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/13/2024] [Accepted: 03/14/2024] [Indexed: 03/18/2024]
Abstract
Sciatic nerve injury leads to molecular events that cause muscular dysfunction advancement in atrophic conditions. Nerve damage renders muscles permanently relaxed which elevates intracellular resting Ca2+ levels. Increased Ca2+ levels are associated with several cellular signaling pathways including AMPK, cGMP, PLC-β, CERB, and calcineurin. Also, multiple enzymes involved in the tricarboxylic acid cycle and oxidative phosphorylation are activated by Ca2+ influx into mitochondria during muscle contraction, to meet increased ATP demand. Nerve damage induces mitophagy and skeletal muscle atrophy through increased sensitivity to Ca2+-induced opening of the permeability transition pore (PTP) in mitochondria attributed to Ca2+, ROS, and AMPK overload in muscle. Activated AMPK interacts negatively with Akt/mTOR is a highly prevalent and well-described central pathway for anabolic processes. Over the decade several reports indicate abnormal behavior of signaling machinery involved in denervation-induced muscle loss but end up with some controversial outcomes. Therefore, understanding how the synthesis and inhibitory stimuli interact with cellular signaling to control muscle mass and morphology may lead to new pharmacological insights toward understanding the underlying mechanism of muscle loss after sciatic nerve damage. Hence, the present review summarizes the existing literature on denervation-induced muscle atrophy to evaluate the regulation and expression of differential regulators during sciatic damage.
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Affiliation(s)
- Aarti Yadav
- Clinical Biochemistry Laboratory, Department of Biochemistry, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Rajesh Dabur
- Clinical Biochemistry Laboratory, Department of Biochemistry, Maharshi Dayanand University, Rohtak, 124001, Haryana, India.
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24
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Zhang Z, Wang L, Guo Z, Sun Y, Yan J. A pH-sensitive imidazole grafted polymeric micelles nanoplatform based on ROS amplification for ferroptosis-enhanced chemodynamic therapy. Colloids Surf B Biointerfaces 2024; 237:113871. [PMID: 38547796 DOI: 10.1016/j.colsurfb.2024.113871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/16/2024] [Accepted: 03/20/2024] [Indexed: 04/08/2024]
Abstract
Highly toxic reactive oxygen species (ROS), crucial in inducing apoptosis and ferroptosis, are pivotal for cell death pathways in cancer therapy. However, the effectiveness of ROS-related tumor therapy is impeded by the limited intracellular ROS and substrates, coupled with the presence of abundant ROS scavengers like glutathione (GSH). In this research, we developed acid-responsive, iron-coordinated polymer nanoparticles (PPA/TF) encapsulating a mitochondrial-targeting drug alpha-tocopheryl succinate (α-TOS) for enhanced synergistic tumor treatment. The imidazole grafted micelles exhibit prolonged blood circulation and improve the delivery efficiency of the hydrophobic drug α-TOS. Additionally, PPA's design aids in delivering Fe3+, supplying ample iron ions for chemodynamic therapy (CDT) and ferroptosis through the attachment of imidazole groups to Fe3+. In the tumor's weakly acidic intracellular environment, PPA/TF facilitates pH-responsive drug release. α-TOS specifically targets mitochondria, generating ROS and replenishing those depleted by the Fenton reaction. Moreover, the presence of Fe3+ in PPA/TF amplifies ROS upregulation, promotes GSH depletion, and induces oxidative damage and ferroptosis, effectively inhibiting tumor growth. This research presents an innovative ROS-triggered amplification platform that optimizes CDT and ferroptosis for effective cancer treatment.
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Affiliation(s)
- Zhuangzhuang Zhang
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao 266021, China; Ningbo Baoting Bioscience & Technology Co., Ltd, Ningbo 315100, China
| | - Lingyang Wang
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao 266021, China
| | - Zhaoyuan Guo
- Ningbo Baoting Bioscience & Technology Co., Ltd, Ningbo 315100, China
| | - Yong Sun
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao 266021, China
| | - Jianqin Yan
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao 266021, China.
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25
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Yang J, Liang J, Huang C, Wu Z, Lei Y. Hyperactivation of succinate dehydrogenase promotes pyroptosis of macrophage via ROS-induced GSDMD oligomerization in acute liver failure. Mol Immunol 2024; 169:86-98. [PMID: 38552285 DOI: 10.1016/j.molimm.2024.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/28/2023] [Accepted: 02/02/2024] [Indexed: 04/13/2024]
Abstract
Acute liver failure (ALF) is a life-threatening disease with high mortality. Given excessive inflammation is one of the major pathogenesis of ALF, candidates targeting inflammation could be beneficial in the condition. Now the effect of hyperactivated succinate dehydrogenase (SDH) on promoting inflammation in lipopolysaccharide (LPS)-treated macrophages has been studied. However, its role and mechanism in ALF is not well understood. Here intraperitoneal injection of D-galactosamine and LPS was conducted in male C57BL/6 J mice to induce the ALF model. Dimethyl malonate (DMM), which inhibited SDH activity, was injected intraperitoneally 30 min before ALF induction. Macrophage pyroptosis was induced by LPS plus adenosine triphosphate (ATP). Pyroptosis-related molecules and proteins including GSDMD oligomer were examined by ELISA and western blot techniques, respectively. ROS production was assessed by fluorescence staining. The study demonstrated SDH activity was increased in liver macrophages from ALF mice. Importantly, DMM administration inhibited ROS, IL-1β, and pyroptosis-associated proteins levels (NLRP3, cleaved caspase-1, GSDMD-N, and GSDMD oligomers) both in the ALF model and in macrophages stimulated with LPS plus ATP. In vitro, ROS promoted pyroptosis by facilitating GSDMD oligomerization. Additionally, when ROS levels were increased through the addition of H2O2 to the DMM group, the levels of GSDMD oligomers were reverted. In conclusion, SDH hyperactivation promotes macrophage pyroptosis by ROS-mediated GSDMD oligomerization, suggesting that targeting this pathway holds promise as a strategy for treating ALF and other inflammatory diseases.
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Affiliation(s)
- Jiao Yang
- Department of gastroenterology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi 545000, China
| | - JingWen Liang
- Department of gastroenterology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi 545000, China
| | - Cai Huang
- Department of gastroenterology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi 545000, China
| | - ZaiCheng Wu
- Department of gastroenterology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi 545000, China
| | - YanChang Lei
- Department of gastroenterology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi 545000, China.
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26
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Hudson BN, Purves JT, Hughes FM, Nagatomi J. Enzyme-induced hypoxia leads to inflammation in urothelial cells in vitro. Int Urol Nephrol 2024; 56:1565-1575. [PMID: 38133728 DOI: 10.1007/s11255-023-03900-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/24/2023] [Indexed: 12/23/2023]
Abstract
PURPOSE To determine the contributions of different durations of hypoxia to NLRP3 inflammasome activation in urothelial cells and how ischemic changes in bladder tissues is an important chemical que that leads to pathological changes seen in BOO. METHODS A rat urothelial cell line (MYP3) was exposed to either a short duration (2 h) or long duration (6 h) of enzyme-induced hypoxia. Following exposure to a short duration of hypoxia, NO and ATP concentrations were measured from supernatant media and caspase-1 levels were measured from cell lysates. In a separate experiment, cells were fixed following hypoxia exposure and immunostained for HIF-1α stabilization. RESULTS Although short exposure of low oxygen conditions resulted in a hypoxic response in MYP3 cells, as indicated by HIF-1α stabilization and increased NO activity, NLRP3 inflammasome activation was not observed as caspase-1 activity remained unchanged. However, exposure of MYP3 cells to a longer duration of hypoxia resulted in an increase in intracellular caspase-1 activity. Furthermore, treatment with antioxidant (GSH) or TXNIP inhibitor (verapamil) attenuated the hypoxia-induced increase in caspase-1 levels indicating that hypoxia primarily drives inflammation through a ROS-mediated TXNIP/NLRP3 pathway. CONCLUSION We conclude that hypoxia induced bladder damage requires a duration that is more likely related to elevated storage pressures/hypoxia, seen in later stages of BOO, as compared to shorter duration pressure elevation/hypoxia that is encountered in normal micturition cycles or early in the BOO pathology where storage pressures are still normal.
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Affiliation(s)
- Britney N Hudson
- Department of Bioengineering, 301 Rhodes Engineering Research Center, Clemson University, Clemson, SC, 29634-0905, USA
| | - J Todd Purves
- Department of Bioengineering, 301 Rhodes Engineering Research Center, Clemson University, Clemson, SC, 29634-0905, USA
- Department of Surgery, Division of Urology, Duke University Medical Center, Durham, NC, USA
- Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Francis M Hughes
- Department of Bioengineering, 301 Rhodes Engineering Research Center, Clemson University, Clemson, SC, 29634-0905, USA
- Department of Surgery, Division of Urology, Duke University Medical Center, Durham, NC, USA
| | - Jiro Nagatomi
- Department of Bioengineering, 301 Rhodes Engineering Research Center, Clemson University, Clemson, SC, 29634-0905, USA.
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Samota MK, Awana M, Krishnan V, Kumar S, Tyagi A, Pandey R, Mithra SVA, Singh A. A novel micronutrients and methyl jasmonate cocktail of elicitors via seed priming improves drought tolerance by mitigating oxidative stress in rice (Oryza sativa L.). Protoplasma 2024; 261:553-570. [PMID: 38159129 DOI: 10.1007/s00709-023-01914-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 12/09/2023] [Indexed: 01/03/2024]
Abstract
Drought is a major limiting factor for rice (Oryza sativa L.) production globally, and a cost-effective seed priming technique using bio-elicitors has been found to have stress mitigating effects. Till date, mostly phytohormones have been preferred as bio-elicitors, but the present study is a novel attempt to demonstrate the favorable role of micronutrients-phytohormone cocktail, i.e., iron (Fe), zinc (Zn), and methyl jasmonate (MJ) via seed priming method in mitigating the deleterious impacts of drought stress through physio-biochemical and molecular manifestations. The effect of cocktail/priming was studied on the relative water content, chlorophyll a/b and carotenoid contents, proline content, abscisic acid (ABA) content, and on the activities of ascorbate peroxidase (APX), superoxide dismutase (SOD), NADPH oxidase (Nox), and catalase (CAT). The expressions of drought-responsive genes OsZn-SOD, OsFe-SOD, and Nox1 were found to be modulated under drought stress in contrasting rice genotypes -N-22 (Nagina-22, drought-tolerant) and PS-5 (Pusa Sugandh-5, drought-sensitive). A progressive rise in carotenoids (10-19%), ABA (18-50%), proline (60-80%), activities of SOD (27-62%), APX (46-61%), CAT (50-80%), Nox (16-30%), and upregulated (0.9-1.6-fold) expressions of OsZn-SOD, OsFe-SOD, and Nox1 genes were found in the primed plants under drought condition. This cocktail would serve as a potential supplement in modern agricultural practices utilizing seed priming technique to mitigate drought stress-induced oxidative burst in food crops.
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Affiliation(s)
- Mahesh Kumar Samota
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
- HCP-Division, ICAR-CIPHET, Abohar, Punjab-152116, India
| | - Monika Awana
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
| | - Veda Krishnan
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
| | - Suresh Kumar
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
| | - Aruna Tyagi
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
| | - Rakesh Pandey
- Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
| | - S V Amitha Mithra
- ICAR-National Institute for Plant Biotechnology, New Delhi-110012, India
| | - Archana Singh
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India.
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Lu Y, Hu L, Yu L, Liang S, Qu H, Wang M, Hao Z, Yang L, Shi J, Chen J. Physiological and transcriptomic analysis revealed that the accumulation of reactive oxygen species caused the low temperature sensitivity of Liriodendron × sinoamericanum. Plant Sci 2024; 342:112020. [PMID: 38311251 DOI: 10.1016/j.plantsci.2024.112020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/10/2024] [Accepted: 01/31/2024] [Indexed: 02/10/2024]
Abstract
Liriodendron × sinoamericanum is widely cultivated in southern China as an excellent wood and garden ornamental trees. However, its intolerance to low temperature limits its application to high latitudes. Understanding the molecular mechanism of low temperature sensitivity of Liriodendron × sinoamericanum is very important for its further application. In this study, combined with physiological and transcriptomic analysis, it was revealed that low temperature stress can lead to water loss and decreased photosynthetic capacity of Liriodendron × sinoamericanum leaves. The accelerated accumulation of reactive oxygen species (ROS) caused by the imbalance of cell REDOX homeostasis is one of the important reasons for the low temperature sensitivity. Further analysis showed that several transcription factors could be involved in regulating the synthesis and degradation of ROS, among which LsNAC72 and LsNAC73a could regulate the accumulation of O2- and H2O2 in leaves by affecting the expression level of LsAPX, LsSOD, LsPAO, and LsPOD.
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Affiliation(s)
- Ye Lu
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China
| | - Lingfeng Hu
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China
| | - Long Yu
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China
| | - Shuang Liang
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China
| | - Haoxian Qu
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China
| | - Mingqi Wang
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China
| | - Zhaodong Hao
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China
| | - Liming Yang
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China
| | - Jisen Shi
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China.
| | - Jinhui Chen
- State Key Laboratory of Tree Genetics and Breeding, Co-Innovation Center for Sustainable Forestry in the Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Forest Genetics and Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing 210037, China.
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Zhong J, Tang Y. Research progress on the role of reactive oxygen species in the initiation, development and treatment of breast cancer. Prog Biophys Mol Biol 2024; 188:1-18. [PMID: 38387519 DOI: 10.1016/j.pbiomolbio.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 02/06/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
According to international cancer data, breast cancer (BC) is the leading type of cancer in women. Although significant progress has been made in treating BC, metastasis and drug resistance continue to be the primary causes of mortality for many patients. Reactive oxygen species (ROS) play a dual role in vivo: normal levels can maintain the body's normal physiological function; however, high levels of ROS below the toxicity threshold can lead to mtDNA damage, activation of proto-oncogenes, and inhibition of tumor suppressor genes, which are important causes of BC. Differences in the production and regulation of ROS in different BC subtypes have important implications for the development and treatment of BC. ROS can also serve as an important intracellular signal transduction factor by affecting the antioxidant system, activating MAPK and PI3K/AKT, and other signal pathways to regulate cell cycle and change the relationship between cells and the activity of metalloproteinases, which significantly impacts the metastasis of BC. Hypoxia in the BC microenvironment increases ROS production levels, thereby inducing the expression of hypoxia inducible factor-1α (HIF-1α) and forming "ROS- HIF-1α-ROS" cycle that exacerbates BC development. Many anti-BC therapies generate sufficient toxic ROS to promote cancer cell apoptosis, but because the basal level of ROS in BC cells exceeds that of normal cells, this leads to up-regulation of the antioxidant system, drug efflux, and apoptosis inhibition, rendering BC cells resistant to the drug. ROS crosstalks with tumor vessels and stromal cells in the microenvironment, increasing invasiveness and drug resistance in BC.
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Affiliation(s)
- Jing Zhong
- School of Public Health, Southwest Medical University, No.1, Section 1, Xianglin Road, Longmatan District, Luzhou City, Sichuan Province, China
| | - Yan Tang
- School of Public Health, Southwest Medical University, No.1, Section 1, Xianglin Road, Longmatan District, Luzhou City, Sichuan Province, China.
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Kostyuk AI, Rapota DD, Morozova KI, Fedotova AA, Jappy D, Semyanov AV, Belousov VV, Brazhe NA, Bilan DS. Modern optical approaches in redox biology: Genetically encoded sensors and Raman spectroscopy. Free Radic Biol Med 2024; 217:68-115. [PMID: 38508405 DOI: 10.1016/j.freeradbiomed.2024.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/10/2024] [Accepted: 03/13/2024] [Indexed: 03/22/2024]
Abstract
The objective of the current review is to summarize the current state of optical methods in redox biology. It consists of two parts, the first is dedicated to genetically encoded fluorescent indicators and the second to Raman spectroscopy. In the first part, we provide a detailed classification of the currently available redox biosensors based on their target analytes. We thoroughly discuss the main architecture types of these proteins, the underlying engineering strategies for their development, the biochemical properties of existing tools and their advantages and disadvantages from a practical point of view. Particular attention is paid to fluorescence lifetime imaging microscopy as a possible readout technique, since it is less prone to certain artifacts than traditional intensiometric measurements. In the second part, the characteristic Raman peaks of the most important redox intermediates are listed, and examples of how this knowledge can be implemented in biological studies are given. This part covers such fields as estimation of the redox states and concentrations of Fe-S clusters, cytochromes, other heme-containing proteins, oxidative derivatives of thiols, lipids, and nucleotides. Finally, we touch on the issue of multiparameter imaging, in which biosensors are combined with other visualization methods for simultaneous assessment of several cellular parameters.
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Affiliation(s)
- Alexander I Kostyuk
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia; Pirogov Russian National Research Medical University, 117997, Moscow, Russia
| | - Diana D Rapota
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia
| | - Kseniia I Morozova
- Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Anna A Fedotova
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia; Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, 119234, Russia
| | - David Jappy
- Federal Center of Brain Research and Neurotechnologies, Federal Medical Biological Agency, Moscow, 117997, Russia
| | - Alexey V Semyanov
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia; Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, 119234, Russia; Sechenov First Moscow State Medical University, Moscow, 119435, Russia; College of Medicine, Jiaxing University, Jiaxing, Zhejiang Province, 314001, China
| | - Vsevolod V Belousov
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia; Pirogov Russian National Research Medical University, 117997, Moscow, Russia; Federal Center of Brain Research and Neurotechnologies, Federal Medical Biological Agency, Moscow, 117997, Russia; Life Improvement by Future Technologies (LIFT) Center, Skolkovo, Moscow, 143025, Russia
| | - Nadezda A Brazhe
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia; Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, 119234, Russia.
| | - Dmitry S Bilan
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia; Pirogov Russian National Research Medical University, 117997, Moscow, Russia.
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Malik S, Inamdar S, Acharya J, Goel P, Ghaskadbi S. Characterization of palmitic acid toxicity induced insulin resistance in HepG2 cells. Toxicol In Vitro 2024; 97:105802. [PMID: 38431059 DOI: 10.1016/j.tiv.2024.105802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 02/11/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND An etiology of palmitic acid (PA) induced insulin resistance (IR) is complex for which two mechanisms are proposed namely ROS induced JNK activation and lipid induced protein kinase-C (PKCε) activation. However, whether these mechanisms act alone or in consortium is not clear. METHODS AND RESULTS In this study, we have characterized PA induced IR in liver cells. These cells were treated with different concentrations of PA for either 8 or 16 h. Insulin responsiveness of cells treated with PA for 8 h was found to be same as that of control. However, cells treated with PA for 16 h, showed increased glucose output both in the presence and in absence of insulin only at higher concentrations, indicating development of IR. In these, both JNK and PKCε were activated in response to increased ROS and lipid accumulation, respectively. Activated JNK and PKCε phosphorylated IRS1 at Ser-307 resulting in inhibition of AKT which in turn inactivated GSK3β, leading to reduced glycogen synthase activity. Inhibition of AKT also reduced insulin suppression of hepatic gluconeogenesis by activating Forkhead box protein O1 (FOXO1) and increased expression of the gluconeogenic enzymes and their transcription factors. CONCLUSION Thus, our data clearly demonstrate that both these mechanisms work simultaneously and more importantly, identified a threshold of HepG2 cells, which when crossed led to the pathological state of IR in response to PA.
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Affiliation(s)
- Sajad Malik
- Department of Zoology, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India
| | - Shrirang Inamdar
- Department of Zoology, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India
| | - Jhankar Acharya
- Department of Zoology, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India
| | - Pranay Goel
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Saroj Ghaskadbi
- Department of Zoology, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India.
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Wang H, She F, Chen F, Li K, Qin S. Selenium-Chitosan Protects Porcine Endometrial Epithelial Cells from Zearalenone-induced Apoptosis via the JNK/SAPK Signaling Pathway. Biol Trace Elem Res 2024; 202:2075-2084. [PMID: 37610602 DOI: 10.1007/s12011-023-03816-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 08/15/2023] [Indexed: 08/24/2023]
Abstract
This study was designed to assess whether selenium-chitosan (Se-CTS) can protect porcine endometrial epithelial cells (PEECs) against damage and apoptosis induced by zearalenone (ZEA) via modulating the JNK/SAPK signaling pathway. The cell cycle, mitochondrial membrane potential (MMP), reactive oxygen species (ROS), and apoptosis rates of porcine endometrial epithelial cells were determined, as well as the expression levels of genes related to the SAPK/JNK signaling pathway. The results showed that 3.0 µmol/L Se-CTS decreased the percentage of ZEA-induced G1 phase in PEECs (P < 0.01), whereas 1.5 and 3.0 µmol/L Se-CTS increased the percentage of ZEA-induced percentage of G2 phase of PEECs (P < 0.01). Further, Se-CTS at 1.5 and 3.0 µmol/L improved the ZEA-induced decrease in MMP (P < 0.01), whereas Se-CTS at 0.5, 1.5, and 3.0 µmol/L reduced the increase in ROS levels and apoptosis rate induced by ZEA in PEECs (P < 0.01 or P < 0.05). Furthermore, 3.0 µmol/L Se-CTS ameliorated the increase in the expression of c-Jun N-terminal kinase (JNK), apoptosis signal-regulated kinase (ASK1), and c-Jun induced by ZEA (P < 0.01) and the reduction in mitogen-activated protein kinase kinase 4 (MKK4) and protein 53 (p53) expression (P < 0.01), while 1.5 µmol/L Se-CTS improved the expression of ASK1 and c-Jun induced by ZEA (P < 0.05). The results proved that Se-CTS alleviates ZEA-induced cell cycle stagnation, cell mitochondrial damage, and cell apoptosis via decreasing ZEA-produced ROS and modulating the JNK/SAPK signaling pathway.
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Affiliation(s)
- Huanhuan Wang
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Xiqing District, No 22 Jinjing Road, Tianjin, 300392, China
| | - Fuze She
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Xiqing District, No 22 Jinjing Road, Tianjin, 300392, China
| | - Fu Chen
- College of Veterinary Medicine, Qingdao Agricultural University, Chengyang District, No 700 Changcheng Road, Qingdao, 266109, China.
| | - Kun Li
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Xiqing District, No 22 Jinjing Road, Tianjin, 300392, China
| | - Shunyi Qin
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Xiqing District, No 22 Jinjing Road, Tianjin, 300392, China.
- Department of Agricultural Science and Technology, Hotan Vocational and Technical College, 10 Jinghuai Avenue, Beijing Industrial Zone, Hotan, 848000, China.
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Mohammad Amooie A, Zarrinpour V, Sadat Shandiz SA, Salehzadeh A. Apoptosis Induction by ZnFe 2O 4-Ag Biosynthesized by Chlorella vulgaris in MCF-7 Breast Cancer Cell Line. Biol Trace Elem Res 2024; 202:2022-2035. [PMID: 37642811 DOI: 10.1007/s12011-023-03814-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 08/15/2023] [Indexed: 08/31/2023]
Abstract
The incidence and mortality of breast cancer are growing which indicates the inefficiency of the current chemotherapy drugs. Due to the anticancer potential of Zn and Ag and the magnetic feature of iron oxide, in this work, we synthesized ZnFe2O4-Ag nanocomposite using Chlorella vulgaris and investigated its anticancer effect on breast cancer cell line. Physicochemical characterization was performed by FT-IR, XRD, SEM, TEM, VSM, EDS mapping, UV, and zeta potential assays. Cell cytotoxicity and apoptosis frequency were studied by the MTT and flow cytometry assays. Also, cell cycle analysis, Hoechst staining, and measuring ROS (reactive oxygen species) level were performed. The synthesized particles were almost spherical with a size range of 14-52 nm. The FT-IR and XRD assays confirmed the proper synthesis of the particles and VSM analysis showed that particles had magnetic property and the maximum saturation magnetization was 0.8 Emu/g. Also, the EDS mapping of the nanocomposite showed the Zn, Fe, O, and Ag elements. The MTT assay showed that the 50% inhibitory concentration (IC50) of ZnFe2O4-Ag for breast cancer and normal cells were 28 and 154 µg/mL, respectively, and the nanocomposite had stronger anticancer activity than cisplatin (IC50 = 84 µg/mL). Flow cytometry analysis showed that the exposure to the nanocomposite induced cell apoptosis by 77.5% and significantly induced ROS generation. Also, treating breast cancer cells with the nanocomposite induced cell cycle arrest and apoptotic features, including chromatin condensation and fragmentation. In conclusion, ZnFe2O4-Ag nanocomposite synthesized by C. vulgaris could suppress the proliferation of breast cancer cells by the generation of oxidative stress, apoptosis induction, and cell cycle arrest.
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Affiliation(s)
| | - Vajiheh Zarrinpour
- Department of Biology, Damghan Branch, Islamic Azad University, Damghan, Iran.
| | | | - Ali Salehzadeh
- Department of Biology, Rasht Branch, Islamic Azad University, Rasht, Iran.
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Fan F, Yang C, Piao E, Shi J, Zhang J. Mechanisms of chondrocyte regulated cell death in osteoarthritis: Focus on ROS-triggered ferroptosis, parthanatos, and oxeiptosis. Biochem Biophys Res Commun 2024; 705:149733. [PMID: 38442446 DOI: 10.1016/j.bbrc.2024.149733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/19/2024] [Accepted: 02/26/2024] [Indexed: 03/07/2024]
Abstract
Osteoarthritis (OA) is a common chronic inflammatory degenerative disease. Since chondrocytes are the only type of cells in cartilage, their survival is critical for maintaining cartilage morphology. This review offers a comprehensive analysis of how reactive oxygen species (ROS), including superoxide anions, hydrogen peroxide, hydroxyl radicals, nitric oxide, and their derivatives, affect cartilage homeostasis and trigger several novel modes of regulated cell death, including ferroptosis, parthanatos, and oxeiptosis, which may play roles in chondrocyte death and OA development. Moreover, we discuss potential therapeutic strategies to alleviate OA by scavenging ROS and provide new insight into the research and treatment of the role of regulated cell death in OA.
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Affiliation(s)
- Fangyang Fan
- Orthopedics Department, The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China.
| | - Cheng Yang
- Orthopedics Department, The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China.
| | - Enran Piao
- Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Jia Shi
- Tianjin University of Traditional Chinese Medicine, Tianjin, China; Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China.
| | - Juntao Zhang
- Orthopedics Department, The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China.
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Che Y, Ren J, Zhao H, Yang Y, Chen Z. Orosomucoid 2 as a biomarker of carotid artery atherosclerosis plaque vulnerability through its generation of reactive oxygen species and lipid accumulation in vascular smooth muscle cells. Biochem Biophys Res Commun 2024; 705:149736. [PMID: 38447392 DOI: 10.1016/j.bbrc.2024.149736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 02/24/2024] [Accepted: 02/26/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND Orosomucoid (ORM) has been reported as a biomarker of carotid atherosclerosis, but the role of ORM 2, a subtype of ORM, in carotid atherosclerotic plaque formation and the underlying mechanism have not been established. METHODS Plasma was collected from patients with carotid artery stenosis (CAS) and healthy participants and assessed using mass spectrometry coupled with isobaric tags for relative and absolute quantification (iTRAQ) technology to identify differentially expressed proteins. The key proteins and related pathways were identified via western blotting, immunohistochemistry, and polymerase chain reaction of carotid artery plaque tissues and in vitro experiments involving vascular smooth muscle cells (VSMCs). RESULTS We screened 33 differentially expressed proteins out of 535 proteins in the plasma. Seventeen proteins showed increased expressions in the CAS groups relative to the healthy groups, while 16 proteins showed decreased expressions during iTRAQ and bioinformatic analysis. The reactive oxygen species metabolic process was the most common enrichment pathway identified by Gene Ontology analysis, while ORM2, PRDX2, GPX3, HP, HBB, ANXA5, PFN1, CFL1, and S100A11 were key proteins identified by STRING and MCODE analysis. ORM2 showed increased expression in patients with CAS plaques, and ORM2 was accumulated in smooth muscle cells. Oleic acid increased the lipid accumulation and ORM2 and PRDX6 expressions in the VSMCs. The recombinant-ORM2 also increased the lipid accumulation and reactive oxygen species (ROS) in the VSMCs. The expressions of ORM2 and PRDX-6 were correlated, and MJ33 (an inhibitor of PRDX6-PLA2) decreased ROS production and lipid accumulation in VSMCs. CONCLUSION ORM2 may be a biomarker for CAS; it induced lipid accumulation and ROS production in VSMCs during atherosclerosis plaque formation. However, the relationships between ORM2 and PRDX-6 underlying lipid accumulation-induced plaque vulnerability require further research.
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Affiliation(s)
- Yuan Che
- Department of Vascular Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Jinrui Ren
- Department of Interventional Therapy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Haoyang Zhao
- Department of Vascular Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Yaoguo Yang
- Department of Vascular Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Zhong Chen
- Department of Vascular Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
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Li C, Zhang Y, Ren J, Mo Z, Liang J, Ye M, Ou W, Sun S, Zhu S. In-situ generation of iron activated percarbonate for sustainable sludge dewatering. Sci Total Environ 2024; 922:171235. [PMID: 38417502 DOI: 10.1016/j.scitotenv.2024.171235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/12/2024] [Accepted: 02/22/2024] [Indexed: 03/01/2024]
Abstract
Effective dewatering of sewage sludge could potentially address the issues of high energy consumption and large carbon footprint inherent in the sludge treatment process, advancing toward carbon neutrality in environmental remediation. Yet, the surface hydrophilic characteristics and water-holding interfacial affinity in sludge led to dwindled sludge-water separation performance. Here, the integration of in-situ generation of iron from zero-valent scrap iron (ZVSI) and sodium percarbonate (SPC) was attempted to attenuate the water-retaining interfacial affinity within sludge, thus achieving superior sludge dewatering performance. Results showed that under the optimal conditions, the ZVSI + SPC system led to a remarkable decline of 76.09 % in the specific resistance to filtration of the sludge, accompanied by a notable decline of 34.96 % in the water content. Moreover, the utilization of ZVSI + SPC system could be a viable alternative to the traditional strategies in terms of enhanced sludge dewaterability, offering application potential with stable operating performance, economic feasibility, and reduced carbon emissions. Investigation into dewatering mechanism revealed that ZVSI could maintain the Fe3+/Fe2+ in a stable dynamic cycle and continuously in-situ generate Fe2+, thereby efficaciously fostering the SPC activation for the ceaseless yield of reactive oxygen species. The predominant •OH and 1O2 efficiently decomposed the hydrophilic biopolymers, therefore minimizing the hydrophilic protein secondary structures, along with the hydrogen and disulfide bonds within proteins. Subsequently, the water-holding interfacial affinity was profoundly diminished, leading to intensified hydrophobicity, self-flocculation, and dewaterability. These findings have important implications for the advancement of efficacious ZVSI + SPC conditioning techniques toward sustainable energy and low-carbon prospects.
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Affiliation(s)
- Chengjian Li
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yu Zhang
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Jingsai Ren
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Zhihua Mo
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Jialin Liang
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
| | - Maoyou Ye
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Wenzhi Ou
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Shuiyu Sun
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Suiyi Zhu
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
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Yang LX, Luo M, Li SY. Tanshinone IIA improves Alzheimer’s disease via RNA nuclear-enriched abundant transcript 1/microRNA-291a-3p/member RAS oncogene family Rab22a axis. World J Psychiatry 2024; 14:563-581. [DOI: 10.5498/wjp.v14.i4.563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/09/2024] [Accepted: 02/28/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND Alzheimer’s disease (AD) is a neurodegenerative condition characterized by oxidative stress and neuroinflammation. Tanshinone IIA (Tan-IIA), a bioactive compound isolated from Salvia miltiorrhiza plants, has shown potential neuroprotective effects; however, the mechanisms underlying such a function remain unclear.
AIM To investigate potential Tan-IIA neuroprotective effects in AD and to elucidate their underlying mechanisms.
METHODS Hematoxylin and eosin staining was utilized to analyze structural brain tissue morphology. To assess changes in oxidative stress and neuroinflammation, we performed enzyme-linked immunosorbent assay and western blotting. Additionally, the effect of Tan-IIA on AD cell models was evaluated in vitro using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. Genetic changes related to the long non-coding RNA (lncRNA) nuclear-enriched abundant transcript 1 (NEAT1)/microRNA (miRNA, miR)-291a-3p/member RAS oncogene family Rab22a axis were assessed through reverse transcription quantitative polymerase chain reaction.
RESULTS In vivo, Tan-IIA treatment improved neuronal morphology and attenuated oxidative stress and neuroinflammation in the brain tissue of AD mice. In vitro experiments showed that Tan-IIA dose-dependently ameliorated the amyloid-beta 1-42-induced reduction of neural stem cell viability, apoptosis, oxidative stress, and neuroinflammation. In this process, the lncRNA NEAT1 - a potential therapeutic target - is highly expressed in AD mice and downregulated via Tan-IIA treatment. Mechanistically, NEAT1 promotes the transcription and translation of Rab22a via miR-291a-3p, which activates nuclear factor kappa-B (NF-κB) signaling, leading to activation of the pro-apoptotic B-cell lymphoma 2-associated X protein and inhibition of the anti-apoptotic B-cell lymphoma 2 protein, which exacerbates AD. Tan-IIA intervention effectively blocked this process by inhibiting the NEAT1/miR-291a-3p/Rab22a axis and NF-κB signaling.
CONCLUSION This study demonstrates that Tan-IIA exerts neuroprotective effects in AD by modulating the NEAT1/miR-291a-3p/Rab22a/NF-κB signaling pathway, serving as a foundation for the development of innovative approaches for AD therapy.
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Affiliation(s)
- Long-Xiu Yang
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Man Luo
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Sheng-Yu Li
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
- Department of Neurology, Wuming Hospital of Guangxi Medical University, Nanning 530199, Guangxi Zhuang Autonomous Region, China
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Kim YM, Park SC, Yoon Y, Jang MK, Lee JR. Effect of tryptophan position and lysine/arginine substitution in antimicrobial peptides on antifungal action. Biochem Biophys Res Commun 2024; 704:149700. [PMID: 38401304 DOI: 10.1016/j.bbrc.2024.149700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 02/15/2024] [Indexed: 02/26/2024]
Abstract
Every year, the overprescription, misuse, and improper disposal of antibiotics have led to the rampant development of drug-resistant pathogens and, in turn, a significant increase in the number of patients who die of drug-resistant fungal infections. Recently, researchers have begun investigating the use of antimicrobial peptides (AMPs) as next-generation antifungal agents to inhibit the growth of drug-resistant fungi. The antifungal activity of alpha-helical peptides designed using the cationic amino acids containing lysine and arginine and the hydrophobic amino acids containing isoleucine and tryptophan were evaluated using 10 yeast and mold fungi. Among these peptides, WIK-14, which is composed of a 14-mer with tryptophan sequences at the amino terminus, showed the best antifungal activity via transient pore formation and ROS generation. In addition, the in vivo antifungal effects of WIK-14 were investigated in a mouse model infected with drug-resistant Candida albicans. The results demonstrate the potential of AMPs as antifungal agents.
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Affiliation(s)
- Young-Min Kim
- Department of Chemical Engineering, College of Engineering, Sunchon National University, Suncheon, Jeonnam, 57922, Republic of Korea
| | - Seong-Cheol Park
- Department of Chemical Engineering, College of Engineering, Sunchon National University, Suncheon, Jeonnam, 57922, Republic of Korea
| | - Yongsang Yoon
- Department of Chemical Engineering, College of Engineering, Sunchon National University, Suncheon, Jeonnam, 57922, Republic of Korea
| | - Mi-Kyeong Jang
- Department of Chemical Engineering, College of Engineering, Sunchon National University, Suncheon, Jeonnam, 57922, Republic of Korea.
| | - Jung Ro Lee
- National Institute of Ecology (NIE), Seocheon, 33657, Republic of Korea.
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Kolupaev YE, Taraban DA, Karpets YV, Kokorev AI, Yastreb TO, Blume YB, Yemets AI. Involvement of ROS and calcium ions in developing heat resistance and inducing antioxidant system of wheat seedlings under melatonin's effects. Protoplasma 2024:10.1007/s00709-024-01952-z. [PMID: 38622466 DOI: 10.1007/s00709-024-01952-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 04/08/2024] [Indexed: 04/17/2024]
Abstract
The stress-protective effect of melatonin (N-acetyl-5-methoxytryptamine) on plant cells is mediated by key signaling mediators, in particular calcium ions and reactive oxygen species (ROS). However, the links between changes in calcium and redox homeostasis and the formation of adaptive responses of cultivated cereals (including wheat) to the action of high temperatures have not yet been studied. In the present study, we investigated the possible involvement of ROS and calcium ions as signaling mediators in developing heat resistance in wheat (Triticum aestivum L.) seedlings and activating their antioxidant system. Treatment of 3-day-old etiolated seedlings with melatonin solutions at concentrations 0.01-10 µM increased their survival after exposure to 45 °C for 10 min. The most significant stress-protective effect was exerted by melatonin treatment at 1 µM concentration. Under the influence of melatonin, a transient enhancement of superoxide anion radical (O2•-) generation and an increase in hydrogen peroxide content were observed in roots, with a maximum at 1 h. Four hours after treatment with melatonin, the activity of catalase and guaiacol peroxidase increased in roots, while the activity of superoxide dismutase did not change significantly. After exposure to 45 °C, the activity of catalase and guaiacol peroxidase was higher in the roots of melatonin-treated wheat seedlings, and the indices of ROS generation, content of the lipid peroxidation product malonic dialdehyde, and cell membrane damage were lower than in control seedlings. Melatonin-induced changes in root ROS generation and antioxidant enzyme activities were eliminated by pretreatment with the hydrogen peroxide scavenger dimethylthiourea (DMTU), NADPH oxidase inhibitor imidazole, and calcium antagonists (the extracellular calcium chelator EGTA and phospholipase C inhibitor neomycin). Treatment with DMTU, imidazole, EGTA, and neomycin also abolished the melatonin-induced increase in survival of wheat seedlings after heat stress. The role of calcium ions and ROS, generated with the participation of NADPH oxidase, as signaling mediators in the melatonin-induced antioxidant system and heat stress resistance of wheat seedlings have been demonstrated.
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Affiliation(s)
- Yuriy E Kolupaev
- Yuriev Plant Production Institute, National Academy of Agrarian Sciences of Ukraine, Kharkiv, Ukraine
- State Biotechnological University, Kharkiv, Ukraine
- Poltava State Agrarian University, Poltava, Ukraine
| | | | | | - Alexander I Kokorev
- Yuriev Plant Production Institute, National Academy of Agrarian Sciences of Ukraine, Kharkiv, Ukraine
| | - Tetiana O Yastreb
- Yuriev Plant Production Institute, National Academy of Agrarian Sciences of Ukraine, Kharkiv, Ukraine.
- Crop Research Institute, Prague, Czech Republic.
| | - Yaroslav B Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Alla I Yemets
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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40
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Sima J, Wang J, Song J, Du X, Lou F, Zhu Y, Lei J, Huang Q. Efficient degradation of polystyrene microplastic pollutants in soil by dielectric barrier discharge plasma. J Hazard Mater 2024; 468:133754. [PMID: 38394892 DOI: 10.1016/j.jhazmat.2024.133754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024]
Abstract
In this study, the atmospheric dielectric barrier discharge (DBD) plasma was proposed for the degradation of polystyrene microplastics (PS-MPs) for the first time, due to its ability to generate reactive oxygen species (ROS). The local temperature in plasma was found to play a crucial role, as it enhanced the degradation reaction induced by ROS when it exceeded the melting temperature of PS-MPs. Factors including applied voltage, air flow rate, and PS-MPs concentration were investigated, and the degradation products were analyzed. High plasma energy and adequate supply of ROS were pivotal in promoting degradation. At 20.1 kV, the degradation efficiency of PS-MPs reached 98.7% after 60 min treatment, with gases (mainly COx, accounting for 96.4%) as the main degradation products. At a concentration of 1 wt%, the PS-MPs exhibited a remarkable conversion rate of 90.6% to COx, showcasing the degradation performance and oxidation degree of this technology. Finally, the degradation mechanism of PS-MPs combined with the detection results of ROS was suggested. This work demonstrates that DBD plasma is a promising strategy for PS-MPs degradation, with high energy efficiency (8.80 mg/kJ) and degradation performance (98.7% within 1 h), providing direct evidence for the rapid and comprehensive treatment of MP pollutants.
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Affiliation(s)
- Jingyuan Sima
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jun Wang
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China; Jiaxing Research Institute, Zhejiang University, Jiaxing 314000, China
| | - Jiaxing Song
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xudong Du
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Fangfang Lou
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Youqi Zhu
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jiahui Lei
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Qunxing Huang
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China.
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41
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Liu C, Zha J, Sun T, Kong L, Zhang X, Wang D, Ni G. Cold atmospheric plasma attenuates skin cancer via ROS induced apoptosis. Mol Biol Rep 2024; 51:518. [PMID: 38622261 DOI: 10.1007/s11033-024-09486-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 03/26/2024] [Indexed: 04/17/2024]
Abstract
BACKGROUND Cold atmospheric plasma (CAP) has been widely used in biomedical research, especially in vitro cancer therapy. Cutaneous squamous cell carcinoma (CSCC) is a malignant tumor originating from epidermal keratinocytes. However, the mechanism of CAP therapy on CSCC remains unclear. METHODS AND RESULTS The animal models of CSCC induced by 7,12-dimethylbenz(a) anthracene (DMBA)/12-O-tetradecanoylphorbol-13-acetate (TPA) were constructed. For the CAP treatment group, after each TPA application, CAP was administered for 3 min twice weekly after drying. HE staining were used to detect the pathological status of tumor tissue in each group. The levels of PCNA, Bcl-2, Bax, MMP2 and MMP9 were evaluated by western blot and qPCR. TUNEL staining were used to detect apoptosis in tumor tissues. In vivo, serum samples were used for ELISA of total ROS. MTT assay was used to detect the viability of A431 cells. Western blot and qPCR were used to detect the levels of PCNA, Bcl-2, Bax, MMP2 and MMP9 in A431 cells. A431 cell proliferation was examined by colony formation assay. The proportions of apoptosis of A431 cells were detected by flow cytometry. Transwell assessed the ability of A431 cells migration and proliferation. We found that CAP could induce skin cancer cells apoptosis and inhibit the progress of skin cancer. Through experiments in vitro, reactive oxygen species (ROS) generated by N-acetylcysteine (NAC) and CAP inhibited the proliferation and migration of A431 skin cancer cells while promoting apoptosis. CONCLUSIONS These evidences suggest the protective effect of CAP in CSCC, and CAP has the potential clinical application of CSCC.
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Affiliation(s)
- Changqing Liu
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China
- University of Science and Technology of China, Hefei, 230026, China
| | - Jingjing Zha
- School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Tao Sun
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China
- University of Science and Technology of China, Hefei, 230026, China
| | - Ling Kong
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China
- University of Science and Technology of China, Hefei, 230026, China
| | - Xinru Zhang
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China.
- Anhui Province Key Laboratory of Medical Physics and Technology, Hefei, 230031, China.
| | - Dong Wang
- School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China.
| | - Guohua Ni
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China.
- Anhui Province Key Laboratory of Medical Physics and Technology, Hefei, 230031, China.
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Dai Y, Ma S, Lu H, Zhang Z, Xu J, Zhu K, Wang Z, Zhu L, Jia H. Arsenite adsorption and oxidation affected by soil humin: The significant role of persistent free radicals and reactive oxygen species. J Hazard Mater 2024; 468:133799. [PMID: 38377907 DOI: 10.1016/j.jhazmat.2024.133799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/10/2024] [Accepted: 02/13/2024] [Indexed: 02/22/2024]
Abstract
Humin (HM), as the main component of soil organic matter, carries various reactive groups and plays a crucial regulatory role in the transformation of arsenic (As). However, current research on the redox pathway of As and its interactions with HM is relatively limited. This study aimed to explore the impact of different HM samples on the redox characteristics of As. The results showed that HM can not only adsorb arsenite [As(III)] but also oxidize As(III) into arsenate [As(V)]. However, once As(III) is adsorbed on the HM, it cannot undergo further oxidation. HMNM (extracted from peat soil) exhibited the highest adsorption capacity of As(III), with a maximum amount of 1.95 mg/kg. The functional groups of HM involved in As complexation were primarily phenolic hydroxyl and carboxyl groups. The adsorption capacity of HM samples for As(III) was consistent with their carboxyl group contents. The oxygen-containing functional groups and environmentally persistent free radicals (EPFRs) on HM can directly oxidize As(Ⅲ) through electron transfer, or indirectly induce the production of reactive oxygen species (ROS), such as hydroxyl radicals, to further oxidize As(Ⅲ). This study provides new insight into the transport and transformation process of As mediated by soil HM, and establishes a theoretical basis for As remediation.
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Affiliation(s)
- Yunchao Dai
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Sirui Ma
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Haodong Lu
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zixuan Zhang
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jun Xu
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Kecheng Zhu
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Zhiqiang Wang
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lingyan Zhu
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China.
| | - Hanzhong Jia
- College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China.
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Zeng Y, Zhuo Q, Pan J, Lan Y, Dai L, Guan B. Switching reactive oxygen species reactions derived from Mn-Pt anchored zeolite for selective catalytic ozonation. Environ Pollut 2024; 347:123747. [PMID: 38460590 DOI: 10.1016/j.envpol.2024.123747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/28/2024] [Accepted: 03/06/2024] [Indexed: 03/11/2024]
Abstract
Rationally switching reactive oxygen species (ROS) reactions in advanced oxidation processes (AOPs) is urgently needed to improve the adaptability and efficiency for the engineering application. Herein we synthesized bimetallic Mn-Pt catalysts based on zeolite to realize the switching of ROS reactions in catalytic ozonation for sustainable degradation of organic pollutants from water. The ROS reactions switched from singlet oxygen (1O2, 71.01%) to radical-dominated (93.79%) pathway by simply introducing defects and changing Pt/Mn ratios. The oxygen vacancy induced by anchoring Mn-Pt species from zeolite external surface (MnPt/H-Beta) to internal framework (MnPt@Si-Beta) exposes more electron-rich Pt2+/Pt4+ redox sites, accelerating the decomposition of O3 to generate •OH via electron transfer and switching ROS reactions. The Mn site acted as a bridge plays a critical role in conducting electrons from organic pollutants to Pt sites, which solidly solves the electron loss of catalysts, facilitating the efficient degradation of pollutants. A 34.7-fold increase in phenol degradation compared with the non-catalytic ozonation and an excellent catalytic stability are achieved by MnPt@Si-Beta/O3. The 1O2-dominated ROS reaction originated from MnPt/H-Beta/O3 exhibits superior performances in anti-interference for Cl-, HCO3-, NO3-, and SO4-. This work establishes a novel strategy for switching ROS reactions to expand the targeted applications of O3 based AOPs for environmental remediation.
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Affiliation(s)
- Yaxiong Zeng
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Qizheng Zhuo
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Jian Pan
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yuan Lan
- Zhejiang Zheda Qiushi Property Management Co., Ltd., Logistics Group, Zhejiang University, Hangzhou, 310058, China
| | - Liyan Dai
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Baohong Guan
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
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Li T, Guo Z. Mechanisms of arsenic oxidation in the presence of pyrite: An experimental and theoretical study. Sci Total Environ 2024; 921:171072. [PMID: 38382617 DOI: 10.1016/j.scitotenv.2024.171072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/11/2024] [Accepted: 02/16/2024] [Indexed: 02/23/2024]
Abstract
The mobility and toxicity of arsenic are significantly influenced by the natural minerals. A comprehensive understanding of the interaction between arsenic and minerals is crucial for elucidating the natural behavior of arsenic and advancing arsenic remediation strategies. In this study, the mechanism of As (III) oxidation in the presence of pyrite without light irritation was investigated by experimental and theoretical approaches. Quenching experiment and electron paramagnetic resonance analysis confirm •OH and •O2H is the predominant oxidant of As (III) under acidic and alkaline condition, respectively. Density Functional Theory (DFT) calculations indicate on the pyrite surface, the surface oxygen species is insignificant in As(III) oxidation but crucial for the generation of reactive oxygen species (ROS). In the solution, •OH, •O2H, Fe(IV), and 1O2 are the favored oxidants for As(III), while ROS, 3O2, and Fe(III) possess the capability to convert As(IV) to As(V). The major mechanism of As(III) oxidation in the presence of pyrite without light irritation primarily involves three elementary reactions: (1) •OH facilitating As(III) conversion to As(IV), (2) 3O2 oxidizing As(IV) to As(V) and •O2H, and (3) As(V) and •OH generating in •O2H reacting with As(III). As(IV) emerges as a critical intermediate capable of initiating chain reactions in arsenic oxidation. This study provides atomic-scale insight into the As(III) oxidation in pyrite suspension, which is important for understanding arsenic behavior in analogous oxidation systems.
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Affiliation(s)
- Tianshuang Li
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Zhaohui Guo
- School of Metallurgy and Environment, Central South University, Changsha 410083, China.
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Kang KA, Piao MJ, Fernando PDSM, Herath HMUL, Yi JM, Choi YH, Hyun YM, Zhang K, Park CO, Hyun JW. Particulate matter stimulates the NADPH oxidase system via AhR-mediated epigenetic modifications. Environ Pollut 2024; 347:123675. [PMID: 38447650 DOI: 10.1016/j.envpol.2024.123675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/05/2024] [Accepted: 02/27/2024] [Indexed: 03/08/2024]
Abstract
Stimulation of human keratinocytes with particulate matter 2.5 (PM2.5) elicits complex signaling events, including a rise in the generation of reactive oxygen species (ROS). However, the mechanisms underlying PM2.5-induced ROS production remain unknown. Here, we show that PM2.5-induced ROS production in human keratinocytes is mediated via the NADPH oxidase (NOXs) system and the Ca2+ signaling pathway. PM2.5 treatment increased the expression of NOX1, NOX4, and a calcium-sensitive NOX, dual oxidase 1 (DUOX1), in human epidermal keratinocyte cell line. PM2.5 bound to aryl hydrocarbon receptor (AhR), and this complex bound to promoter regions of NOX1 and DUOX1, suggesting that AhR acted as a transcription factor of NOX1 and DUOX1. PM2.5 increased the transcription of DUOX1 via epigenetic modification. Moreover, a link between DNA demethylase and histone methyltransferase with the promoter regions of DUOX1 led to an elevation in the expression of DUOX1 mRNA. Interestingly, PM2.5 increased NOX4 expression and promoted the interaction of NOX4 and Ca2+ channels within the cytoplasmic membrane or endoplasmic reticulum, leading to Ca2+ release. The increase in intracellular Ca2+ concentration activated DUOX1, responsible for ROS production. Our findings provide evidence for a PM2.5-mediated ROS-generating system network, in which increased NOX1, NOX4, and DUOX1 expression serves as a ROS signal through AhR and Ca2+ activation.
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Affiliation(s)
- Kyoung Ah Kang
- Department of Biochemistry, College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, Jeju, 63243, South Korea
| | - Mei Jing Piao
- Department of Biochemistry, College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, Jeju, 63243, South Korea
| | | | | | - Joo Mi Yi
- Department of Microbiology and Immunology, Inje University College of Medicine, Busan, 47392, South Korea
| | - Yung Hyun Choi
- Department of Biochemistry, College of Oriental Medicine, Dongeui University, Busan, 47340, South Korea
| | - Young-Min Hyun
- Department of Anatomy, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Kelun Zhang
- Department of Dermatology, and Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Chang Ook Park
- Department of Dermatology, and Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Jin Won Hyun
- Department of Biochemistry, College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, Jeju, 63243, South Korea.
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Jing Q, Zhou C, Zhang J, Zhang P, Wu Y, Zhou J, Tong X, Li Y, Du J, Wang Y. Role of reactive oxygen species in myelodysplastic syndromes. Cell Mol Biol Lett 2024; 29:53. [PMID: 38616283 PMCID: PMC11017617 DOI: 10.1186/s11658-024-00570-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/27/2024] [Indexed: 04/16/2024] Open
Abstract
Reactive oxygen species (ROS) serve as typical metabolic byproducts of aerobic life and play a pivotal role in redox reactions and signal transduction pathways. Contingent upon their concentration, ROS production not only initiates or stimulates tumorigenesis but also causes oxidative stress (OS) and triggers cellular apoptosis. Mounting literature supports the view that ROS are closely interwoven with the pathogenesis of a cluster of diseases, particularly those involving cell proliferation and differentiation, such as myelodysplastic syndromes (MDS) and chronic/acute myeloid leukemia (CML/AML). OS caused by excessive ROS at physiological levels is likely to affect the functions of hematopoietic stem cells, such as cell growth and self-renewal, which may contribute to defective hematopoiesis. We review herein the eminent role of ROS in the hematological niche and their profound influence on the progress of MDS. We also highlight that targeting ROS is a practical and reliable tactic for MDS therapy.
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Affiliation(s)
- Qiangan Jing
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
- HEALTH BioMed Research & Development Center, Health BioMed Co., Ltd, Ningbo, 315803, Zhejiang, China
| | - Chaoting Zhou
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Junyu Zhang
- Department of Hematology, Lishui Central Hospital, Lishui, 323000, Zhejiang, China
| | - Ping Zhang
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Yunyi Wu
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Junyu Zhou
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Xiangmin Tong
- Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China
| | - Yanchun Li
- Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China.
| | - Jing Du
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China.
| | - Ying Wang
- Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China.
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Mirhadi E, Askarizadeh A, Farhoudi L, Mashreghi M, Behboodifar S, Alavizadeh SH, Arabi L, Jaafari MR. The impact of phospholipids with high transition temperature to enhance Redox-Sensitive liposomal doxorubicin efficacy in colon carcinoma model. Chem Phys Lipids 2024:105396. [PMID: 38621603 DOI: 10.1016/j.chemphyslip.2024.105396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/01/2024] [Accepted: 04/11/2024] [Indexed: 04/17/2024]
Abstract
In this study, we have developed a redox-sensitive (RS) liposomal doxorubicin formulation by incorporating 10,10'-diselanediylbis decanoic acid (DDA) organoselenium compound as the RS moiety. Hence, several RS liposomal formulations were prepared by using DOPE, HSPC, DDA, mPEG2000-DSPE, and cholesterol. In situ drug loading using a pH gradient and citrate complex yielded high drug to lipid ratio and encapsulation efficiency (100%) for RS liposomes. Liposomal formulations were characterized in terms of size, surface charge and morphology, drug loading, release properties, cell uptake and cytotoxicity, as well as therapeutic efficacy in BALB/c mice bearing C26 tumor cells. The formulations showed an average particle size of 200nm with narrow size distributions (PDI < 0.3), and negative surface charges varying from -6 mV to -18.6mV. Our study confirms that the presence of the DDA compound in liposomes is highly sensitive to hydrogen peroxide at 0.1% w/v, resulting in a significant burst release of up to 40%. The in vivo therapeutic efficacy study in BALB/c mice bearing C26 colon carcinoma confirmed the promising function of RS liposomes in the tumor microenvironment which led to a prolonged median survival time (MST). The addition of hydrogenated soy phosphatidylcholine (HSPC) with a high transition temperature (Tm: 52-53.5°C) extended the MST of our 3-component formulation of F14 (DOPE/HSPC/DDA) to 60 days in comparison to Caelyx (PEGylated liposomal Dox), which is not RS-sensitive (39 days). Overall, HSPC liposomes bearing RS-sensitive moiety enhanced therapeutic efficacy against colon cancer in vitro and in vivo. This achievement unequivocally underscores the criticality of high-TM phospholipids, particularly HSPC, in significantly enhancing liposome stability within the bloodstream. In addition, RS liposomes enable the on-demand release of drugs, leveraging the redox environment of tumor cells, thereby augmenting the efficacy of the formulation.
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Affiliation(s)
- Elaheh Mirhadi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Anis Askarizadeh
- Marine Pharmaceutical Science Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Leila Farhoudi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Mashreghi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeed Behboodifar
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyedeh Hoda Alavizadeh
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Leila Arabi
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahmoud Reza Jaafari
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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Yang F, Su Y, Yan C, Chen T, Cheung PCK. Attenuation of inflammatory bowel disease by oral administration of mucoadhesive polydopamine-coated yeast β-glucan via ROS scavenging and gut microbiota regulation. J Nanobiotechnology 2024; 22:166. [PMID: 38610032 PMCID: PMC11010398 DOI: 10.1186/s12951-024-02434-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 03/22/2024] [Indexed: 04/14/2024] Open
Abstract
Treatment for inflammatory bowel disease (IBD) is challenging since current anti-inflammatory and immunosuppressive therapies do not address the underlying causes of the illness, which include increased levels of reactive oxygen species (ROS) and dysbiosis of the gut commensal microbiota. Additionally, these treatments often have systemic off-target effects and adverse side effects. In this study, we have developed a prebiotic yeast β-glucan nanocomplex coated with bio-adhesive polydopamine (YBNs@PDA) to effectively prolong their retention time in the gastrointestinal (GI) tract. The oral administration of YBNs@PDA restored the epithelium barriers, reduced ROS levels, and minimized systemic drug exposure while improved therapeutic efficacy in an acute colitis mouse model. Furthermore, 16S ribosomal RNA genes sequencing demonstrated a higher richness and diversity in gut microflora composition following the treatments. In particular, YBNs@PDA markedly augmented the abundance of Lachnospiraceae NK4A136 and Bifidobacterium, both of which are probiotics with crucial roles in relieving colitis via retaining gut homeostasis. Cumulatively, these results demonstrate that the potential of YBNs@PDA as a novel drug-free, ROS-scavenging and gut microbiota regulation nanoplatform for the treatment of GI disorders.
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Affiliation(s)
- Fan Yang
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Yuting Su
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Chi Yan
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Tianfeng Chen
- College of Chemistry and Materials Science, Jinan University, Guangzhou, China
| | - Peter Chi Keung Cheung
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
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Lamontagne F, Trejo CP, Cuervo NZ, Grandvaux N. Redox signaling in cell fate: Beyond damage. Biochim Biophys Acta Mol Cell Res 2024:119722. [PMID: 38615720 DOI: 10.1016/j.bbamcr.2024.119722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/20/2024] [Accepted: 04/02/2024] [Indexed: 04/16/2024]
Abstract
This review explores the nuanced role of reactive oxygen species (ROS) in cell fate, challenging the traditional view that equates ROS with cellular damage. Through significant technological advancements in detecting localized redox states and identifying oxidized cysteines, a paradigm shift has emerged: from ROS as merely damaging agents to crucial players in redox signaling. We delve into the intricacies of redox mechanisms, which, although confined, exert profound influences on cellular physiological responses. Our analysis extends to both the positive and negative impacts of these mechanisms on cell death processes, including uncontrolled and programmed pathways. By unraveling these complex interactions, we argue against the oversimplified notion of a 'stress response', advocating for a more nuanced understanding of redox signaling. This review underscores the importance of localized redox states in determining cell fate, highlighting the sophistication and subtlety of ROS functions beyond mere damage.
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Affiliation(s)
- Felix Lamontagne
- CRCHUM - Centre de Recherche du Centre Hospitalier de l'Université de Montréal, 900 rue Saint Denis, Montréal H2X 0A9, Québec, Canada
| | - Cynthia Paz Trejo
- CRCHUM - Centre de Recherche du Centre Hospitalier de l'Université de Montréal, 900 rue Saint Denis, Montréal H2X 0A9, Québec, Canada; Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Université de Montréal, Montréal H3C 3J7, Québec, Canada
| | - Natalia Zamorano Cuervo
- CRCHUM - Centre de Recherche du Centre Hospitalier de l'Université de Montréal, 900 rue Saint Denis, Montréal H2X 0A9, Québec, Canada
| | - Nathalie Grandvaux
- CRCHUM - Centre de Recherche du Centre Hospitalier de l'Université de Montréal, 900 rue Saint Denis, Montréal H2X 0A9, Québec, Canada; Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Université de Montréal, Montréal H3C 3J7, Québec, Canada.
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Zhou J, Wang X, Sun Z, Gu C, Gao J. The mechanisms of ·OH formation in MnO 2 and oxalate system: Implication for ATZ removal. J Hazard Mater 2024; 470:134213. [PMID: 38613958 DOI: 10.1016/j.jhazmat.2024.134213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 03/20/2024] [Accepted: 04/02/2024] [Indexed: 04/15/2024]
Abstract
Manganese oxides (MnO2) are commonly prevalent in groundwater, sediment and soil. In this study, we found that oxalate (H2C2O4) dissolved MnO2, leading to the formation of Mn(II)/(III), CO2(aq) and reactive oxygen species (·CO2-/O2·-/H2O2/·OH). Notably, CO2(aq) played a crucial role in ·OH formation, contributing to the degradation of atrazine (ATZ). To elucidate underneath mechanisms, a series of reactions with different gas-liquid ratios (GLR) were conducted. At the GLR of 0.3, 3.76, and + ∞ 79.4 %, 5.32 %, and 5.28 % of ATZ were eliminated, in which the cumulative ·OH concentration was 39.6 μM, 8.11 μM, and 7.39 μM and the cumulative CO2(aq) concentration was 11.2 mM, 4.7 mM, and 2.8 mM, respectively. The proposed reaction pathway was that CO2(aq) participated in the formation of a ternary complex [C2O4-Mn(II)-HCO4·3 H2O]-, which converted to a transition state (TS) as [C2O4-Mn(II)-CO3-OH·3 H2O]-, then decomposed to a complex radical [C2O4-Mn(II)-CO3·3 H2O]·- and ·OH after electron transfer within TS. It was novel to discover the role of CO2(aq) for ·OH yielding during MnO2 dissolution by H2C2O4. This finding helps revealing the overlooked processes that CO2(aq) influenced the fate of ATZ or other organic compounds in environment and providing us ideas for new technique development in contaminant remediation. ENVIRONMENTAL IMPLICATION: Manganese oxides and oxalate are common in soil, sediment and water. Their interactions could induce the formation of Mn(II)/(III), CO2(aq) and ·CO2-/O2·-/H2O2. This study found that atrazine could be effectively removed due to ·OH radicals under condition of high CO2(aq) concentration. The concentrations of Mn (0.0002-8.34 mg·L-1) and CO2(aq) (15-40 mg·L-1) were high in groundwater, and the surface water or rainfall seeps into groundwater and bring organic acids, which might promote the ·OH formation. The results might explain the missing steps of herbicides transformation in these environments and be helpful in developing new techniques in remediation in future.
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Affiliation(s)
- Jinjin Zhou
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Nanjing, No.188, Tianquan Road, Nanjing, Jiangsu Province 211135, China
| | - Xinghao Wang
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Zhaoyue Sun
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Cheng Gu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Juan Gao
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Nanjing, No.188, Tianquan Road, Nanjing, Jiangsu Province 211135, China.
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