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Zhao C, Zhang M, Zhao L, Sun W. From genomic insights to clinical hope: Targeting NEU1 in IgA nephropathy. Int Immunopharmacol 2024; 132:112051. [PMID: 38599098 DOI: 10.1016/j.intimp.2024.112051] [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: 01/31/2024] [Revised: 03/27/2024] [Accepted: 04/06/2024] [Indexed: 04/12/2024]
Abstract
BACKGROUND IgA Nephropathy (IgAN), the primary form of glomerulonephritis, presents significant clinical challenges due to its obscure pathogenesis and lack of targeted treatments. We conducted a proteome-wide Mendelian randomization (MR) study to identify therapeutic targets for IgAN. METHODS Utilizing a plasma proteome dataset comprising 4907 blood plasma proteins as the exposure variable, and renal biopsy-confirmed IgAN cases as the outcome, this study employed MR to pinpoint proteins potentially pathogenic to IgAN. The robustness of our findings was affirmed through external dataset validation, reverse causation testing, and Bayesian colocalization analysis. Additionally, we conducted phenotypic scanning and analyzed downstream metabolites to investigate candidate proteins's biological function. RESULTS In our study, a significant association was identified between an increase in neuraminidase 1 (NEU1) expression and the risk of IgAN. Specifically, a one standard deviation increase in NEU1 expression was associated with an odds ratio of 11.80 for the development of IgAN (95% confidence interval: 4.03-34.54). This association was substantiated across various statistical models and external validations. Colocalization analysis indicated a shared causal variant between NEU1 expression and IgAN. Furthermore, an increased influenza risk associated with NEU1 was observed, supporting the therapeutic potential of NEU1 inhibitors for IgAN. However, our study found no significant role for neuraminic acid-related metabolites in IgAN's development, suggesting an independent pathway for NEU1's influence. CONCLUSION This study identifies NEU1 as a promising therapeutic target for IgAN, backed by robust genetic evidence. Future research should explore NEU1's therapeutic potential in diverse populations and clinical scenarios, further establishing its role in IgAN.
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Affiliation(s)
- Cong Zhao
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China.
| | - Mingzhu Zhang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China.
| | - Leying Zhao
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China.
| | - Weiwei Sun
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China.
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2
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Nan Y, Chen M, Wu W, Huang R, Sun W, Lu Q, Gu Z, Mao X, Xu H, Wang Y. IGF2BP2 regulates the inflammation of fibroblast-like synoviocytes via GSTM5 in rheumatoid arthritis. Cell Death Discov 2024; 10:215. [PMID: 38702323 PMCID: PMC11068746 DOI: 10.1038/s41420-024-01988-3] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 04/19/2024] [Accepted: 04/23/2024] [Indexed: 05/06/2024] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease with an unknown etiology. RA cannot be fully cured and requires lengthy treatment, imposing a significant burden on both individuals and society. Due to the lack of specific drugs available for treating RA, exploring a key new therapeutic target for RA is currently an important task. Activated fibroblast-like synoviocytes (FLSs) play a crucial role in the progression of RA, which release interleukin (IL)-1β, IL-6 and tumor necrosis factor (TNF)-α resulting in abnormal inflammatory reaction in the synovium. A previous study has highlighted the correlation of m6A reader insulin-like growth factor 2 mRNA-binding protein 2 (IGF2BP2) with inflammation-related diseases in human. However, the role of IGF2BP2 in the inflammatory reaction of FLSs during RA progression has not been assessed. In this study, IGF2BP2 expression was decreased in the synovial tissues of RA patients and collagen-induced arthritis (CIA) rats. Intra-articular injection of an adeno-associated virus (AAV) vector overexpressing IGF2BP2 relieved paw swelling, synovial hyperplasia and cartilage destruction in CIA rats. IGF2BP2 overexpression also inhibited lipopolysaccharide (LPS)-mediated RA fibroblast-like synoviocytes (RA-FLSs) migration and invasion accompanied by a decreased level of inflammatory factors in vitro. Conversely, IGF2BP2 suppression promoted RA-FLSs migration and invasion with an elevated level of inflammatory factors in vitro. The sequencing result showed that glutathione S-transferase Mu 5 (GSTM5), a key antioxidant gene, was the target mRNA of IGF2BP2. Further experiments demonstrated that IGF2BP2 strengthened the stability of GSTM5 mRNA, leading to weakened inflammatory reaction and reduced expression of matrix metalloproteinase 9 and 13 (MMP9, MMP13). Therefore, IGF2BP2-GSTM5 axis may represent a potential therapeutic target for RA treatment.
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Affiliation(s)
- Yunyi Nan
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, 226001, Nantong, China
| | - Minhao Chen
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, 226001, Nantong, China
| | - Weijie Wu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, 226001, Nantong, China
- Department of Orthopaedics, Affiliated Nantong Hospital of Shanghai University, The Sixth People's Hospital of Nantong, 226001, Nantong, China
| | - Rongrong Huang
- Department of Pharmacy, Affiliated Hospital of Nantong University, 226001, Nantong, China
| | - Weiwei Sun
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, 226001, Nantong, China
| | - Qian Lu
- Department of Rheumatology, Affiliated Hospital of Nantong University, 226001, Nantong, China
| | - Zhifeng Gu
- Department of Rheumatology, Affiliated Hospital of Nantong University, 226001, Nantong, China
| | - Xingxing Mao
- Department of Orthopaedics, Affiliated Nantong Hospital of Shanghai University, The Sixth People's Hospital of Nantong, 226001, Nantong, China.
| | - Hua Xu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, 226001, Nantong, China.
| | - Youhua Wang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, 226001, Nantong, China.
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Liu Y, Tan X, Liu Z, Zeng E, Mei J, Jiang Y, Li P, Sun W, Zhao W, Tian C, Dong Y, Xie Z, Wang CA. Heat-Localized and Salt-Resistant 3D Hierarchical Porous Ceramic Platform for Efficient Solar-Driven Interfacial Evaporation. Small 2024:e2400796. [PMID: 38607275 DOI: 10.1002/smll.202400796] [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: 01/31/2024] [Revised: 03/25/2024] [Indexed: 04/13/2024]
Abstract
Solar-driven interfacial evaporation (SDIE) is a highly promising approach to achieve sustainable desalination and tackle the global freshwater crisis. Despite advancements in this field, achieving balanced thermal localization and salt resistance remains a challenge. Herein, the study presents a 3D hierarchical porous ceramic platform for SDIE applications. The utilized alumina foam ceramics (AFCs) exhibit remarkable corrosion resistance and chemical stability, ensuring a prolonged operational lifespan in seawater or brines. The millimeter-scale air-filled pores in AFCs prevent thermal losses through conduction with bulk water, resulting in heat-localized interfaces. The hydrophilic nature of macroporous AFC skeletons facilitates rapid water replenishment on the evaporating surface for effective salt-resistant desalination. Benefiting from its self-radiation adsorption and side-assisted evaporation capabilities, the AFC-based evaporators exhibit high indoor evaporation rates of 2.99 and 3.54 kg m-2 h-1 under one-sided and three-sided illumination under 1.0 sun, respectively. The AFC-based evaporator maintains a high evaporation rate of ≈2.77 kg m-2 h-1 throughout the 21-day long-term test. Furthermore, it achieves a daily water productivity of ≈10.44 kg m-2 in outdoor operations. This work demonstrates the potential of 3D hierarchical porous ceramics in addressing the trade-off between heat localization and salt resistance, and contributes to the development of durable solar steam generators.
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Affiliation(s)
- Yumin Liu
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Xinming Tan
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Zhiwei Liu
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Erqi Zeng
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Jianxing Mei
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Yun Jiang
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Pengzhang Li
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Weiwei Sun
- College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, 410073, China
| | - Wenyan Zhao
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Chuanjin Tian
- School of Materials Science and Engineering, National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen, 333403, China
| | - Yanhao Dong
- School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Zhipeng Xie
- School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Chang-An Wang
- School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
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Lu XM, Cao Y, Sun Y, Wang H, Sun W, Xu Y, Wu Y, Yang C, Wang Y. sp-Carbon-Conjugated Organic Polymer as Multifunctional Interfacial Layers for Ultra-Long Dendrite-Free Lithium Metal Batteries. Angew Chem Int Ed Engl 2024; 63:e202320259. [PMID: 38332561 DOI: 10.1002/anie.202320259] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/29/2024] [Accepted: 02/07/2024] [Indexed: 02/10/2024]
Abstract
Fatal issues in lithium metal anodes (LMA), such as detrimental lithium dendrites growth and fragile solid-electrolyte interphase (SEI) during the Li plating/stripping process, often hinder the practical application of Li metal batteries (LMBs). Herein, cobalt-coordinated sp-carbon-conjugated organic polymer (Co-spc-COP) is constructed as the protective layer for regulating the interface stability of LMA. The unique synergistic beneficial effect of organic functional groups (C≡C linkage, C=N units and aromatic rings) and Co sites not only regulate the Li+ coordination environment and rearrange Li+ concentration to facilitate its transport by optimizing the electronic density, enhancing the compatibility with electrolyte interface and supplying "external magnetic driving strategy", but also strengthens the interfacial stiffness with high Young's modulus to better withstand the mechanical stress. These beneficial effects and relative underlying working mode and mechanism of uniform Li plating and rapid Li+ migration on the Co-spc-COP are also revealed by various in situ/ex situ experimental technologies and theory calculation. The Co-spc-COP-based cell delivers an extraordinary lifespan of 6600 h and ultrahigh capacity retention of 78.3 % (111.9 mAh g-1) after 1000 cycles at 1 C. This demonstrated synergistic strategy in Co-coordinated organic polymer may gain new insights to regulate the uniform and non-dendritic deposition/dissolution behaviors for highly stable LMBs.
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Affiliation(s)
- Xiao-Meng Lu
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Yingnan Cao
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Yi Sun
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Haichao Wang
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Weiwei Sun
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Yi Xu
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Yang Wu
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Chao Yang
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
| | - Yong Wang
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
- Key Laboratory of Organic Compound Pollution Control Engineering (MOE), Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China
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Shi J, Shen Y, Pan F, Sun W, Mangu A, Shi C, McKeown-Green A, Moradifar P, Bawendi MG, Moerner WE, Dionne JA, Liu F, Lindenberg AM. Solution-phase sample-averaged single-particle spectroscopy of quantum emitters with femtosecond resolution. Nat Mater 2024:10.1038/s41563-024-01855-7. [PMID: 38589542 DOI: 10.1038/s41563-024-01855-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 03/11/2024] [Indexed: 04/10/2024]
Abstract
The development of many quantum optical technologies depends on the availability of single quantum emitters with near-perfect coherence. Systematic improvement is limited by a lack of understanding of the microscopic energy flow at the single-emitter level and ultrafast timescales. Here we utilize a combination of fluorescence correlation spectroscopy and ultrafast spectroscopy to capture the sample-averaged dynamics of defects with single-particle sensitivity. We employ this approach to study heterogeneous emitters in two-dimensional hexagonal boron nitride. From milliseconds to nanoseconds, the translational, shelving, rotational and antibunching features are disentangled in time, which quantifies the normalized two-photon emission quantum yield. Leveraging the femtosecond resolution of this technique, we visualize electron-phonon coupling and discover the acceleration of polaronic formation on multi-electron excitation. Corroborated with theory, this translates to the photon fidelity characterization of cascaded emission efficiency and decoherence time. Our work provides a framework for ultrafast spectroscopy in heterogeneous emitters, opening new avenues of extreme-scale characterization for quantum applications.
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Affiliation(s)
- Jiaojian Shi
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
- Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA, USA
| | - Yuejun Shen
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
- Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA, USA
| | - Feng Pan
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Weiwei Sun
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Anudeep Mangu
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
- Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA, USA
| | - Cindy Shi
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | | | - Parivash Moradifar
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Moungi G Bawendi
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - W E Moerner
- Department of Chemistry, Stanford University, Stanford, CA, USA
| | - Jennifer A Dionne
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
- Department of Radiology, Stanford University, Stanford, CA, USA
| | - Fang Liu
- Department of Chemistry, Stanford University, Stanford, CA, USA
| | - Aaron M Lindenberg
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA.
- Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA, USA.
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, CA, USA.
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6
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Inoue Y, Tiamkao S, Zhou D, Cabral-Lim L, Lim KS, Lim SH, Tsai JJ, Moseley B, Wang L, Sun W, Hayakawa Y, Sasamoto H, Sano T, McClung C, Bass A. Efficacy, safety, and tolerability of adjunctive brivaracetam in adult Asian patients with uncontrolled focal-onset seizures: A phase III randomized, double-blind, placebo-controlled trial. Epilepsia Open 2024. [PMID: 38576178 DOI: 10.1002/epi4.12929] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 03/04/2024] [Accepted: 03/07/2024] [Indexed: 04/06/2024] Open
Abstract
OBJECTIVE Evaluate efficacy, safety, and tolerability of adjunctive brivaracetam (BRV) in adult Asian patients with focal-onset seizures (FOS). METHODS Phase III, randomized, double-blind, placebo-controlled study (EP0083; NCT03083665) evaluating BRV 50 mg/day and 200 mg/day in patients (≥16-80 years) with FOS with/without secondary generalization (focal to bilateral tonic-clonic seizures) despite current treatment with 1 or 2 concomitant antiseizure medications. Following an 8-week baseline, patients were randomized 1:1:1 to placebo, BRV 50 mg/day, or BRV 200 mg/day, and entered a 12-week treatment period. Efficacy outcomes: percent reduction over placebo in 28-day FOS frequency (primary); 50% responder rate in FOS frequency; median percent reduction in FOS frequency from baseline; seizure freedom during treatment period (secondary). Primary safety endpoints: incidences of treatment-emergent adverse events (TEAEs); TEAEs leading to discontinuation; serious TEAEs. RESULTS In this study, 448/449 randomized patients (mean age, 34.5 years; 53.8% female) received ≥1 dose of study medication (placebo/BRV 50 mg/BRV 200 mg/day: n = 149/151/148). Percent reduction over placebo in 28-day adjusted FOS frequency was 24.5% (p = 0.0005) and 33.4% (p < 0.0001) with BRV 50 mg/day and 200 mg/day, respectively, 50% responder rate was 19.0%, 41.1%, and 49.3% with placebo, BRV 50 mg/day, and BRV 200 mg/day, respectively (p < 0.0001 for both BRV groups vs. placebo). Median percent reduction in FOS frequency from baseline was 21.3%/38.9%/46.7% in patients on placebo/BRV 50 mg/BRV 200 mg/day, respectively. Overall, 0, 7 (4.6%), and 10 (6.8%) patients were classified as seizure-free during the treatment period on placebo, BRV 50 mg/day, and BRV 200 mg/day, respectively (p = 0.0146/p = 0.0017 for BRV 50 mg/200 mg/day vs. placebo, respectively). TEAE incidences were similar between patients on placebo (58.4%) and all patients receiving BRV (58.5%); TEAE incidences for BRV 50 mg/day and BRV 200 mg/day were 57.0% and 60.1%, respectively. Overall, 0.7% of patients on placebo and 2.0% of all patients on BRV reported serious TEAEs (incidences for BRV 50 mg/day and BRV 200 mg/day were 1.3% and 2.7%, respectively), 20.1% of patients on placebo and 33.1% of all patients on BRV reported drug-related TEAEs (incidences for BRV 50 mg/day and BRV 200 mg/day were 26.5% and 39.9%, respectively), and 4.7% of patients on placebo and 3.0% of all patients on BRV discontinued due to TEAEs (discontinuation incidences for BRV 50 mg/day and BRV 200 mg/day were 2.6% and 3.4%, respectively). SIGNIFICANCE Adjunctive BRV was efficacious and well tolerated in adult Asian patients with FOS. Efficacy and safety profiles were consistent with BRV studies in predominantly non-Asian populations. PLAIN LANGUAGE SUMMARY Brivaracetam is used to treat partial or focal seizures in people with epilepsy. Most studies with brivaracetam tablets have involved people from non-Asian racial backgrounds. In this study, 449 Asian adults with epilepsy took part. One third took 50 mg of brivaracetam, one third took 200 mg of brivaracetam, and one third took a placebo each day for 12 weeks. On average, those who took brivaracetam had fewer seizures than those given the placebo. Most of the side effects were mild and the number and type of side effects seen were as expected for this medication.
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Affiliation(s)
- Yushi Inoue
- NHO Shizuoka Institute of Epilepsy and Neurological Disorders, Shizuoka, Japan
| | - Somsak Tiamkao
- Integrated Epilepsy Research Group, Khon Kaen University, Srinagarind Hospital, Khon Kaen, Thailand
| | - Dong Zhou
- West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Leonor Cabral-Lim
- Department of Neurosciences, College of Medicine, Philippine General Hospital, University of the Philippines Manila, The Health Sciences Center, Manila, Philippines
| | - Kheng Seang Lim
- Division of Neurology, Department of Medicine, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Shih-Hui Lim
- Singapore General Hospital, Singapore City, Singapore
| | - Jing-Jane Tsai
- Department of Neurology, National Cheng Kung University Hospital, Tainan, Taiwan
| | | | | | | | | | | | | | | | - Almasa Bass
- UCB Pharma, Morrisville, North Carolina, USA
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Liu D, Sun W, Tang Y, Tan C. Observer-based event-triggered H ∞ control for Hamiltonian systems. ISA Trans 2024; 147:130-139. [PMID: 38307726 DOI: 10.1016/j.isatra.2024.01.019] [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: 05/13/2021] [Revised: 12/29/2023] [Accepted: 01/20/2024] [Indexed: 02/04/2024]
Abstract
This paper investigates the problem of designing an observer-based event-triggered H∞ controller for a Hamiltonian system with delays incorporated in the underlying network. As our contributions, we first propose an event-triggered scheme which uses the Hamiltonian to decide whether to trigger the event generator at the sampling time. Additionally, when states are not exactly known globally asymptotically stable, we proceed to design an observer-based controller with which the resulting closed-loop system can be transformed into a time-delay Hamiltonian system. Based on the structural characteristic of the Hamiltonian systems, sufficient conditions are given to guarantee the closed-loop system to achieve the H∞ performance index with external disturbances in available and unavailable states, respectively. Finally, multi-machine power systems as simulation examples are illustrated to validate our proposed results.
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Affiliation(s)
- Dongqing Liu
- Institute of Automation, Qufu Normal University, Qufu, 273165, PR China.
| | - Weiwei Sun
- Institute of Automation, Qufu Normal University, Qufu, 273165, PR China; School of Engineering, QuFu Normal University, Rizhao, 276800, PR China.
| | - Yaping Tang
- Institute of Automation, Qufu Normal University, Qufu, 273165, PR China.
| | - Cheng Tan
- School of Engineering, QuFu Normal University, Rizhao, 276800, PR China.
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Wang P, Li H, Meng J, Liu Q, Wang X, Wang B, Liu B, Wang C, Sun W, Pan B. Activation of CncC pathway by ROS burst regulates ABC transporter responsible for beta-cypermethrin resistance in Dermanyssus gallinae (Acari:Dermanyssidae). Vet Parasitol 2024; 327:110121. [PMID: 38286058 DOI: 10.1016/j.vetpar.2024.110121] [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: 08/13/2023] [Revised: 01/02/2024] [Accepted: 01/14/2024] [Indexed: 01/31/2024]
Abstract
The drug resistance of poultry red mites to chemical acaricides is a global issue in the control of the mites, which presents an ongoing threat to the poultry industry. Though the increased production of detoxification enzymes has been frequently implicated in resistance development, the overexpression mechanism of acaricide-resistant related genes in mites remains unclear. In the present study, it was observed that the transcription factor Cap 'n' Collar isoform-C (CncC) and its partner small muscle aponeurosis fibromatosis (Maf) were highly expressed in resistant strains compared to sensitive strains under the stress of beta-cypermethrin. When the CncC/Maf pathway genes were down-regulated by RNA interference (RNAi), the expression of the ABC transporter genes was down-regulated, leading to a significant increase in the sensitivity of resistant strains to beta-cypermethrin, suggesting that CncC/Maf played a crucial role in mediating the resistance of D.gallinae to beta-cypermethrin by regulating ABC transporters. Furthermore, it was observed that the content of H2O2 and the activities of peroxidase (POD) and catalase (CAT) enzymes were significantly higher in resistant strains after beta-cypermethrin stress, indicating that beta-cypermethrin activates reactive oxygen species (ROS). In ROS scavenger assays, it was found that the expression of CncC/Maf significantly decreased, along with a decrease in the ABC transporter genes. The present study showed that beta-cypermethrin seemed to trigger the outbreak of ROS, subsequently activated the CncC/Maf pathway, as a result induced the ABC transporter-mediated resistance to the drug, shedding more light on the resistance mechanisms of D.gallinae to pyrethroids.
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Affiliation(s)
- Penglong Wang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Huan Li
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Jiali Meng
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Qi Liu
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Xu Wang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Bohan Wang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Boxing Liu
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Chuanwen Wang
- College of Veterinary Medicine, Hebei Agricultural University, No. 289 Lingyusi Street, Baoding 071001, Hebei, China
| | - Weiwei Sun
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China.
| | - Baoliang Pan
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China.
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Chen H, Sun W, Zhang R, Huang Y, Zhang B, Zeng G, Ding J, Chen W, Gao F, Li Y, Li Y. Heterogeneous Nucleating Agent for High-Boiling-Point Nonhalogenated Solvent-Processed Organic Solar Cells and Modules. Adv Mater 2024:e2402350. [PMID: 38554138 DOI: 10.1002/adma.202402350] [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: 02/14/2024] [Revised: 03/13/2024] [Indexed: 04/01/2024]
Abstract
High-boiling-point nonhalogenated solvents are superior solvents to produce large-area organic solar cells (OSCs) in industry because of their wide processing window and low toxicity; while, these solvents with slow evaporation kinetics will lead excessive aggregation of state-of-the-art small molecule acceptors (e.g. L8-BO), delivering serious efficiency losses. Here, a heterogeneous nucleating agent strategy is developed by grafting oligo (ethylene glycol) side-chains on L8-BO (BTO-BO). The formation energy of the obtained BTO-BO; while, changing from liquid in a solvent to a crystalline phase, is lower than that of L8-BO irrespective of the solvent type. When BTO-BO is added as the third component into the active layer (e.g. PM6:L8-BO), it easily assembles to form numerous seed crystals, which serve as nucleation sites to trigger heterogeneous nucleation and increase nucleation density of L8-BO through strong hydrogen bonding interactions even in high-boiling-point nonhalogenated solvents. Therefore, it can effectively suppress excessive aggregation during growth, achieving ideal phase-separation active layer with small domain sizes and high crystallinity. The resultant toluene-processed OSCs exhibit a record power conversion efficiency (PCE) of 19.42% (certificated 19.12%) with excellent operational stability. The strategy also has superior advantages in large-scale devices, showing a 15.03-cm2 module with a record PCE of 16.35% (certificated 15.97%).
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Affiliation(s)
- Haiyang Chen
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
| | - Weiwei Sun
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
| | - Rui Zhang
- Department of Physics, Chemistry and Biology (IFM), Linköping University, Linköping, SE-58183, Sweden
| | - Yuting Huang
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
| | - Ben Zhang
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
| | - Guang Zeng
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
| | - Junyuan Ding
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
| | - Weijie Chen
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
| | - Feng Gao
- Department of Physics, Chemistry and Biology (IFM), Linköping University, Linköping, SE-58183, Sweden
| | - Yaowen Li
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, 215123, China
| | - Yongfang Li
- Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, 215123, China
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
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Liu Q, Liu B, Sun T, Wang P, Sun W, Pan B. Vitellogenin and its upstream gene TOR play essential roles in the reproduction of Dermanyssus gallinae. Exp Parasitol 2024; 260:108746. [PMID: 38513972 DOI: 10.1016/j.exppara.2024.108746] [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: 12/18/2023] [Revised: 03/08/2024] [Accepted: 03/18/2024] [Indexed: 03/23/2024]
Abstract
In Dermanyssus gallinae, a hematophagous mite, the initiation of vitellogenesis induced by blood feeding is essential for its reproduction. However, the precise gene structures and physiological functions of Vg in D. gallinae and its upstream gene, Target of Rapamycin (TOR), have not been fully understood. This study revealed the presence of four homologous genes within D. gallinae, named Dg-Vg1, Dg-Vg1-like, Dg-Vg2, and Dg-Vg2-like, especially, Dg-Vg2-like was firstly identified in the mites. The expression levels of all these Vg genes were significantly higher in adult females than other stages. Following blood feeding, the expression levels of these genes increased significantly, followed by a subsequent decrease, aligning with egg production. Silencing Dg-Vgs by RNA interference (RNAi) led to decreased fecundity and egg hatching rates, as well as abnormal embryonic development, suggesting a vital role for Dg-Vgs in both egg formation and embryonic development. Furthermore, the knockdown of Dg-TOR significantly reduced the expression of Dg-Vgs and negatively impacted the reproductive capabilities of PRMs, indicating that TOR influences PRM reproduction by regulating the expression of Dg-Vgs. In summary, these findings demonstrated the crucial roles of Dg-Vgs and Dg-TOR in PRM reproduction, highlighting their potential as targets for pest control.
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Affiliation(s)
- Qi Liu
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing, 100193, China
| | - Boxing Liu
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing, 100193, China
| | - Tiancong Sun
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing, 100193, China
| | - Penglong Wang
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing, 100193, China
| | - Weiwei Sun
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing, 100193, China.
| | - Baoliang Pan
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing, 100193, China.
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Lu J, Sun W, Liu B, Zhang J, Wang R, Goltzman D, Miao D. Chk2 Modulates Bmi1-Deficiency-Induced Renal Aging and Fibrosis via Oxidative Stress, DNA Damage, and p53/TGFβ1-Induced Epithelial-Mesenchymal Transition. Int J Biol Sci 2024; 20:2008-2026. [PMID: 38617548 PMCID: PMC11008269 DOI: 10.7150/ijbs.93598] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Accepted: 03/03/2024] [Indexed: 04/16/2024] Open
Abstract
Renal aging may lead to fibrosis and dysfunction, yet underlying mechanisms remain unclear. We explored whether deficiency of the Polycomb protein Bmi1 causes renal aging via DNA damage response (DDR) activation, inducing renal tubular epithelial cell (RTEC) senescence and epithelial-mesenchymal transition (EMT). Bmi1 knockout mice exhibited oxidative stress, DDR activation, RTEC senescence, senescence-associated secretory phenotype (SASP), and age-related fibrosis in kidneys. Bmi1 deficiency impaired renal structure and function, increasing serum creatinine/urea, reducing creatinine clearance, and decreasing cortical thickness and glomerular number. However, knockout of the serine-threonine kinase Chk2 alleviated these aging phenotypes. Transcriptomics identified transforming growth factor beta 1 (TGFβ1) upregulation in Bmi1-deficient RTECs, but TGFβ1 was downregulated upon Chk2 knockout. The tumor suppressor protein p53 transcriptionally activated TGFβ1, promoting EMT in RTECs. Bmi1 knockout or oxidative stress (induced with H2O2) increased TGFβ1 expression, and EMT in RTECs and was partly reversed by p53 inhibition. Together, Bmi1 deficiency causes oxidative stress and DDR-mediated RTEC senescence/SASP, thus activating p53 and TGFβ1 to induce EMT and age-related fibrosis. However, blocking DDR (via Chk2 knockout) or p53 ameliorates these changes. Our study reveals mechanisms whereby Bmi1 preserves renal structure and function during aging by suppressing DDR and p53/TGFβ1-mediated EMT. These pathways represent potential targets for detecting and attenuating age-related renal decline.
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Affiliation(s)
- Jinhong Lu
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Weiwei Sun
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Boyang Liu
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Jinge Zhang
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Rong Wang
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - David Goltzman
- Calcium Research Laboratory, McGill University Health Centre and Department of Medicine, McGill University, Montreal, Quebec H4A 3J1, Canada
| | - Dengshun Miao
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
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Sun W, Yang H, Zhang J, Wei S, Wu Q, Yang J, Cao C, Cui Z, Zheng H, Wang Y. Secretory leukocyte protease inhibitor as a novel predictive biomarker in patients with diabetic kidney disease. Front Endocrinol (Lausanne) 2024; 15:1334418. [PMID: 38501106 PMCID: PMC10944902 DOI: 10.3389/fendo.2024.1334418] [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] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 02/14/2024] [Indexed: 03/20/2024] Open
Abstract
Background Secretory leukocyte protease inhibitor (SLPI) is a multifunctional protein involved in the chronic inflammatory process, implicated in the pathogenesis of diabetic kidney disease (DKD). However, its potential as a diagnostic and prognostic biomarker of DKD has yet to be evaluated. This study explored the clinical utility of SLPI in the diagnosis and prognosis of renal endpoint events in patients with DKD. Methods A multi-center cross-sectional study comprised of 266 patients with DKD and a predictive cohort study comprised of 120 patients with stage IV DKD conducted between December 2016 and January 2022. The clinical parameters were collected for statistical analysis, a multivariate Cox proportional hazards model was used to evaluate the independent risk factors for renal endpoints. Results Serum SLPI levels gradually increased with DKD progression (p<0.01). A significant correlation was observed between serum SLPI levels and renal function in patients with DKD. The mean follow-up duration in this cohort study was 2.32 ± 1.30 years. Multivariate Cox regression analysis showed SLPI levels≥51.61ng/mL (HR=2.95, 95% CI[1.55, 5.60], p<0.01), 24h urinary protein levels≥3500 mg/24h (HR=3.02, 95% CI[1.66, 5.52], p<0.01), Alb levels<30g/l (HR=2.19, 95% CI[1.12, 4.28], p<0.05), HGB levels<13g/dl (HR=3.18, 95% CI[1.49, 6.80], p<0.01), and urea levels≥7.1 mmol/L (HR=8.27, 95% CI[1.96, 34.93], p<0.01) were the independent risk factors for renal endpoint events in DKD patients. Conclusions Serum SLPI levels increased with DKD progression and were associated with clinical parameters of DKD. Moreover, elevated SLPI levels showed potential prognostic value for renal endpoint events in individuals with DKD. These findings validate the results of previous studies on SLPI in patients with DKD and provide new insights into the role of SLPI as a biomarker for the diagnosis and prognosis of DKD that require validation.
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Affiliation(s)
- Weiwei Sun
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
| | - Hanwen Yang
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Department of Proctology, China-Japan Friendship Hospital, Beijing, China
| | - Jiale Zhang
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
| | - Shuwu Wei
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
| | - Qiaoru Wu
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
| | - Jie Yang
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
| | - Can Cao
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
| | - Zhaoli Cui
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
| | - Huijuan Zheng
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Yaoxian Wang
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Affiliated to Beijing University of Chinese Medicine, Beijing, China
- Renal Research Institution of Beijing University of Chinese Medicine, Beijing, China
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13
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Fang Z, Feng T, Qin G, Meng Y, Zhao S, Yang G, Wang L, Sun W. Simulations of water pollutants in the Hangzhou Bay, China: Hydrodynamics, characteristics, and sources. Mar Pollut Bull 2024; 200:116140. [PMID: 38342000 DOI: 10.1016/j.marpolbul.2024.116140] [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: 11/07/2023] [Revised: 01/18/2024] [Accepted: 02/06/2024] [Indexed: 02/13/2024]
Abstract
China's coastal waters are confronting serious water quality problems, particularly the Hangzhou Bay in the Yangtze River Delta. To find out the underlying cause, we use the Regional Ocean Modeling System (ROMS) to simulate the hydrodynamic characteristics and the evolution of water pollutants. The results show that the hydrodynamic conditions are complicated and the semi-exchange time is 46 days, significantly hindering the dilution and diffusion of water pollutants. Concentrations of each typical pollutant as chemical oxygen demand (COD), dissolved inorganic nitrogen (DIN), and phosphate (PO4) decrease from west to east, showing an obvious enrichment in the coastal region. Source-oriented results show that the inland water pollution of the Yangtze River and the Qiantang River is the key contributor, and the sewage outfalls on the coast near the bay worsen the pollution. This suggests that the government needs to strengthen the management of sources that affect water security.
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Affiliation(s)
- Zhen Fang
- Department of Geography & Spatial Information Techniques, Ningbo University, Ningbo, China
| | - Tian Feng
- Department of Geography & Spatial Information Techniques, Ningbo University, Ningbo, China; Institute of East China Sea, Ningbo University, Ningbo, China.
| | - Gangri Qin
- Department of Geography & Spatial Information Techniques, Ningbo University, Ningbo, China
| | - Yanjiahui Meng
- Department of Geography & Spatial Information Techniques, Ningbo University, Ningbo, China
| | - Shuyu Zhao
- Ningbo Meteorological Bureau, Ningbo, Zhejiang, China
| | - Gang Yang
- Department of Geography & Spatial Information Techniques, Ningbo University, Ningbo, China; Institute of East China Sea, Ningbo University, Ningbo, China
| | - Lihua Wang
- Department of Geography & Spatial Information Techniques, Ningbo University, Ningbo, China; Institute of East China Sea, Ningbo University, Ningbo, China
| | - Weiwei Sun
- Department of Geography & Spatial Information Techniques, Ningbo University, Ningbo, China; Institute of East China Sea, Ningbo University, Ningbo, China
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14
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Yang J, Sun W, Dai S. Risk Factors of Convulsions in Children With Rotavirus Gastroenteritis and Construction of a Nomogram Prediction Model. Pediatr Emerg Care 2024:00006565-990000000-00401. [PMID: 38412521 DOI: 10.1097/pec.0000000000003136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
OBJECTIVE This study aims to investigate and analyze the risk factors of convulsions in children with rotavirus gastroenteritis and to construct a nomogram prediction model. METHODS A retrospective analysis was performed on 940 cases of pediatric patients with rotavirus gastroenteritis treated in our hospital from December 2017 to December 2022. Based on whether convulsions occurred during hospitalization, patients were divided into the convulsion group (n = 135) and the convulsion-free group (n = 805). Clinical information of patients in both groups was collected, logistic regression analysis was carried out to analyze the convulsion risk factors pertaining to children with rotavirus gastroenteritis, and a nomogram prediction model was constructed. RESULTS The univariate analysis revealed that fever, frequency of diarrhea, white blood cell count, blood calcium level, blood glucose level, CO2CP, creatine kinase myocardial band (CK-MB), and blood pH value were all factors that display statistically significant differences at the level of P = 0.05. Then, logistic regression analysis was carried out, taking the occurrence of such convulsions as the dependent variable and the aforementioned factors as independent variables. The results show that fever, frequency of diarrhea, blood calcium, CO2CP, and CK-MB were the independent risk factors (P < 0.05), whereas the area under the receiver operating characteristic curve (area under the curve) of the constructed nomogram prediction model based on these factors was 0.842 (95% confidence interval, 0.821-0.914). CONCLUSIONS Frequency of diarrhea, blood calcium, CO2CP, and CK-MB are independent risk factors for the occurrence of convulsions in children with rotavirus gastroenteritis. The nomogram prediction model constructed based on these risk factors provides guidance and value in effectively preventing and controlling convulsions in children with rotavirus gastroenteritis.
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Affiliation(s)
- Jing Yang
- From the Department of Infectious Disease, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Weiwei Sun
- Department of Pediatrics, Maternal and Child Care Service of Huai'an, Huai'an, Jiangsu, China
| | - Shasha Dai
- From the Department of Infectious Disease, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
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Cai H, Zhang J, Xu H, Sun W, Wu W, Dong C, Zhou P, Xue C, Nan Y, Ni Y, Wu X, Gu Z, Chen M, Wang Y. ALOX5 drives the pyroptosis of CD4 + T cells and tissue inflammation in rheumatoid arthritis. Sci Signal 2024; 17:eadh1178. [PMID: 38412254 DOI: 10.1126/scisignal.adh1178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 02/06/2024] [Indexed: 02/29/2024]
Abstract
Pyroptosis, an inflammatory form of programmed cell death, is linked to the pathology of rheumatoid arthritis (RA). Here, we investigated the molecular mechanism underlying pyroptosis in T cells isolated from patients with RA. Compared with healthy individuals, patients with RA had more pyroptotic CD4+ T cells in blood and synovia, which correlated with clinical measures of disease activity. Moreover, the mRNA expression and protein abundance of arachidonate 5-lipoxygenase (ALOX5), which converts arachidonic acid to leukotriene A4 (LTA4), were increased in CD4+ T cells from patients with RA and, among patients with RA, were lowest in those in clinical remission. Knockdown or pharmacological inhibition of ALOX5 suppressed CD4+ T cell pyroptosis and improved symptoms in two rodent models of RA. Mechanistically, the increase in ALOX5 activity in RA CD4+ T cells enhanced the production of the LTA4 derivative LTB4, which stimulated Ca2+ influx through ORAI3 channels, leading to the activation of NLRP3 inflammasomes and pyroptosis. Our findings reveal a role for ALOX5 in RA and provide a molecular basis for further exploring the clinical utility of ALOX5 inhibition in RA and for using ALOX5 as a biomarker to distinguish active disease and remission in RA.
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Affiliation(s)
- Hao Cai
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Jianhua Zhang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Hua Xu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Weiwei Sun
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Weijie Wu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Chen Dong
- Department of Rheumatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Ping Zhou
- Department of Medical Immunology, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Chengbin Xue
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong University, Nantong, China
| | - Yunyi Nan
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Yingchen Ni
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Xinyuan Wu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Zhifeng Gu
- Department of Rheumatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Minhao Chen
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Youhua Wang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
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Li S, Sun W, Zhu T, Wang S, Zhang J, Yu J, Zheng W, Ying G, Sun L, Geng H. Top-down design of high-performance V-based MBene anode for Li/Na-ion batteries. Phys Chem Chem Phys 2024; 26:6396-6409. [PMID: 38315565 DOI: 10.1039/d3cp05743g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Two-dimensional (2D) MBenes have enormous potential in energy applications. Vanadium metal, with its versatile and tunable electronic states, can further enhance the electrochemical performance of MBenes. However, most MBenes are composed of a few atomic layers as the metal boron (MB) block, e.g., M2B2, which might lead to instability and poor mechanical response. Herein, we designed and predicted 2D V4B6 associated with different terminations (T = Cl, O, S) using a top-down method and global search for parental V4AB6. Among the A element candidates, the P-glued MAB phase exhibited high stability and easy synthesizability. Moreover, 2D V4B6 was feasibly formed and easily exfoliated owing to its weak V-P bonding. Most of the surface functionalization could improve both the mechanical and electrochemical properties of the V4B6 monolayer. In particular, 2D V4B6S2 exhibited a high potential as an anode material for lithium-ion batteries (LIBs) with high theoretical capacity (297 mA h g-1), low diffusion barrier (0.166 eV), and low open circuit voltage (0.136 V), outperforming a majority of MXenes and transition metal sulfide layers. This work offers a new strategy for designing desirable 2D layers from parental materials, and tuning their properties via composition and surface functionalization, which could shed light on the development of other 2D metal-ion anodes.
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Affiliation(s)
- Shaohan Li
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China.
| | - Weiwei Sun
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing, 211189, China.
- Guangxi Key Laboratory of Nuclear Physics and Nuclear Technology, Guilin, 541004, China
| | - Tingwei Zhu
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China.
| | - Siwei Wang
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China.
| | - Jing Zhang
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China.
| | - Jin Yu
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China.
| | - Wei Zheng
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China.
| | - Guobing Ying
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China.
| | - Litao Sun
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China.
| | - Huayun Geng
- National Key Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang, 621900, China
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Sun W, Xie W, Hu K, Yang Z, Han L, Li L, Qi Y, Wei Y. Three-Dimensional Bioprinting of Strontium-Modified Controlled Assembly of Collagen Polylactic Acid Composite Scaffold for Bone Repair. Polymers (Basel) 2024; 16:498. [PMID: 38399876 PMCID: PMC10891933 DOI: 10.3390/polym16040498] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/16/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024] Open
Abstract
In recent years, the incidence of bone defects has been increasing year by year. Bone transplantation has become the most needed surgery after a blood transfusion and shows a rising trend. Three-dimensional-printed implants can be arbitrarily shaped according to the defects of tissues and organs to achieve perfect morphological repair, opening a new way for non-traumatic repair and functional reconstruction. In this paper, strontium-doped mineralized collagen was first prepared by an in vitro biomimetic mineralization method and then polylactic acid was homogeneously blended with the mineralized collagen to produce a comprehensive bone repair scaffold by a gas extrusion 3D printing method. Characterization through scanning electron microscopy, X-ray diffraction, and mechanical testing revealed that the strontium-functionalized composite scaffold exhibits an inorganic composition and nanostructure akin to those of human bone tissue. The scaffold possesses uniformly distributed and interconnected pores, with a compressive strength reaching 21.04 MPa. The strontium doping in the mineralized collagen improved the biocompatibility of the scaffold and inhibited the differentiation of osteoclasts to promote bone regeneration. This innovative composite scaffold holds significant promise in the field of bone tissue engineering, providing a forward-thinking solution for prospective bone injury repair.
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Affiliation(s)
- Weiwei Sun
- Beijing Engineering Research Center of Printed Electronics, Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Wenyu Xie
- Beijing Engineering Research Center of Printed Electronics, Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
| | - Kun Hu
- Beijing Engineering Research Center of Printed Electronics, Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
| | - Zongwen Yang
- Beijing Engineering Research Center of Printed Electronics, Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
| | - Lu Han
- Beijing Engineering Research Center of Printed Electronics, Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
| | - Luhai Li
- Beijing Engineering Research Center of Printed Electronics, Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
| | - Yuansheng Qi
- Beijing Engineering Research Center of Printed Electronics, Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
| | - Yen Wei
- Department of Chemistry, Tsinghua University, Beijing 100084, China
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Armani-Tourret M, Bone B, Tan TS, Sun W, Bellefroid M, Struyve T, Louella M, Yu XG, Lichterfeld M. Immune targeting of HIV-1 reservoir cells: a path to elimination strategies and cure. Nat Rev Microbiol 2024:10.1038/s41579-024-01010-8. [PMID: 38337034 DOI: 10.1038/s41579-024-01010-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2024] [Indexed: 02/12/2024]
Abstract
Successful approaches for eradication or cure of HIV-1 infection are likely to include immunological mechanisms, but remarkably little is known about how human immune responses can recognize and interact with the few HIV-1-infected cells that harbour genome-intact viral DNA, persist long term despite antiretroviral therapy and represent the main barrier to a cure. For a long time regarded as being completely shielded from host immune responses due to viral latency, these cells do, on closer examination with single-cell analytic techniques, display discrete footprints of immune selection, implying that human immune responses may be able to effectively engage and target at least some of these cells. The failure to eliminate rebound-competent virally infected cells in the majority of persons likely reflects the evolution of a highly selected pool of reservoir cells that are effectively camouflaged from immune recognition or rely on sophisticated approaches for resisting immune-mediated killing. Understanding the fine-tuned interplay between host immune responses and viral reservoir cells will help to design improved interventions that exploit the immunological vulnerabilities of HIV-1 reservoir cells.
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Affiliation(s)
- Marie Armani-Tourret
- Infectious Disease Division, Brigham and Women's Hospital, Boston, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Benjamin Bone
- Infectious Disease Division, Brigham and Women's Hospital, Boston, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Toong Seng Tan
- Infectious Disease Division, Brigham and Women's Hospital, Boston, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Weiwei Sun
- Infectious Disease Division, Brigham and Women's Hospital, Boston, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Maxime Bellefroid
- Infectious Disease Division, Brigham and Women's Hospital, Boston, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Tine Struyve
- HIV Cure Research Center, Ghent University, Ghent, Belgium
| | - Michael Louella
- Community Advisory Board, Delaney AIDS Research Enterprise (DARE), San Francisco, CA, USA
- Department of Laboratory Medicine, University of Washington, Seattle, WA, USA
| | - Xu G Yu
- Infectious Disease Division, Brigham and Women's Hospital, Boston, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Mathias Lichterfeld
- Infectious Disease Division, Brigham and Women's Hospital, Boston, MA, USA.
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA.
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19
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Zhang J, Cai H, Sun W, Wu W, Nan Y, Ni Y, Wu X, Chen M, Xu H, Wang Y. Endoplasmic reticulum aminopeptidase 2 regulates CD4 + T cells pyroptosis in rheumatoid arthritis. Arthritis Res Ther 2024; 26:36. [PMID: 38273310 PMCID: PMC10810225 DOI: 10.1186/s13075-024-03271-3] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 01/14/2024] [Indexed: 01/27/2024] Open
Abstract
OBJECTIVE Rheumatoid arthritis (RA) is a chronic, progressive autoimmune disease with a complex pathogenesis that has not yet been fully elucidated, and T-cell pyroptosis is an important pathogenetic factor in RA. This study aimed to investigate the role of endoplasmic reticulum aminopeptidase 2 (ERAP2) in the pyroptosis of CD4+ T cells in RA and the specific molecular mechanism. METHODS Peripheral venous blood was collected from human subjects, and CD4+ T cells were isolated and activated to measure the level of pyroptosis and ERAP2 expression. Pyroptosis levels were assessed using immunofluorescence, flow cytometry, qRT-PCR, and Western blotting. Changes in pyroptosis levels were observed upon knockdown or overexpression of ERAP2. To detect activated Caspase-1 in tissues, chimeric mice were engrafted with human synovial tissue and reconstituted with human CD4+ T cells. CD4 + T cells were treated with GLI1 antagonists and SMO receptor agonists to detect changes in pyroptosis levels. RESULTS CD4+ T cell levels undergoing pyroptosis were found to be elevated in the blood and synovium of RA patients. The gene and protein expression of ERAP2 were significantly higher in CD4+ T cells from RA patients. Deletion of ERAP2 suppressed pyroptosis of these cells, attenuated the activation of Caspase-1 in tissue T cells, and reduced tissue inflammatory responses. Reciprocally, overexpression of ERAP2 triggered inflammasome assembly, activated Caspase-1, and induced pyroptosis in CD4+ T cells. Mechanistically, ERAP2 inhibits the Hedgehog signaling pathway and upregulates the expression of nucleotide-binding oligomerization segment-like receptor family 3(NLRP3), cleaved Caspase-1, and Gasdermin D to promote pyroptosis in CD4+ T cells. CONCLUSIONS Taken together, our results identify a novel mechanism by which ERAP2 regulates RA development and document the effect of the ERAP2/Hedgehog signaling axis on pyroptosis of CD4+ T cells from RA patients.
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Affiliation(s)
- Jianhua Zhang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Hao Cai
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Weiwei Sun
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Weijie Wu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Yunyi Nan
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Yingchen Ni
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Xinyuan Wu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Minhao Chen
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.
| | - Hua Xu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.
| | - Youhua Wang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.
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20
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Cao Y, Sun Y, Guo C, Sun W, Wu Y, Xu Y, Liu T, Wang Y. Dendritic sp Carbon-Conjugated Benzothiadiazole-Based Polymers with Synergistic Multi-Active Groups for High-Performance Lithium Organic Batteries. Angew Chem Int Ed Engl 2024; 63:e202316208. [PMID: 37990065 DOI: 10.1002/anie.202316208] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 11/23/2023]
Abstract
Green organic materials composed of C, H, O, and N elements are receiving more and more attention worldwide. However, the high solubility, poor electrical conductivity, and long activation time limit the development of organic materials in practice. Herein, two stable covalent organic materials with alkynyl linkage between benzene rings and benzothiadiazole groups with different amounts of fluorine atoms modification (defined as BOP-0F and BOP-2F), are designed for lithium-ion batteries. Both BOP-0F and BOP-2F can achieve superior reversible capacities of ≈719.8 and 713.5 mAh g-1 over 100 cycles on account of the redox activity of alkynyl (two-electron involved) and benzothiadiazole units (five-electron involved) in these organic materials. While BOP-2F electrodes exhibit much more stable cycling performance than BOP-0F electrodes, especially without pronounced capacity ascending during initial cycling. It can be assigned to the synergy effect of alkynyl linkage and fluorine atom modification in BOP-2F. The lithium storage and activation mechanism of alkynyl, benzothiadiazole, and fluorine groups have also been deeply probed by a series of material characterizations and theoretical simulations. This work could be noteworthy in providing novel tactics for the molecular design and investigation of high-efficiency organic electrodes for energy storage.
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Affiliation(s)
- Yingnan Cao
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, 200444, Shanghai, P. R. China
| | - Yi Sun
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, 200444, Shanghai, P. R. China
| | - Chaofei Guo
- College of Chemical and Material Engineering, Zhejiang A&F University, 666 Wusu Street, 311300, Hangzhou, Zhejiang, P. R. China
| | - Weiwei Sun
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, 200444, Shanghai, P. R. China
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, 99 Shangda Road, 200444, Shanghai, P. R. China
| | - Yang Wu
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, 200444, Shanghai, P. R. China
| | - Yi Xu
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, 200444, Shanghai, P. R. China
| | - Tiancun Liu
- Institute of New Energy, School of Chemistry and Chemical Engineering, Shaoxing University, 900 Chengnan Avenue, 312000, Shaoxing, Zhejiang, P. R. China
| | - Yong Wang
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, 200444, Shanghai, P. R. China
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, 99 Shangda Road, 200444, Shanghai, P. R. China
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21
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Yao S, Gao Z, Fang W, Fu Y, Xue Q, Lai T, Shangguan H, Sun W, Lin Y, Lin F, Kang D. DPA714 PET Imaging Shows That Inflammation of the Choroid Plexus Is Active in Chronic-Phase Intracerebral Hemorrhage. Clin Nucl Med 2024; 49:56-65. [PMID: 38054504 DOI: 10.1097/rlu.0000000000004948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
PURPOSE Our aims were to investigate the presence of choroid plexus (CP) inflammation in chronic-phase intracerebral hemorrhage (ICH) patients and to characterize any inflammatory cells in the CP. PATIENTS AND METHODS An in vivo 18 F-DPA714 PET study was undertaken in 22 chronic-phase ICH patients who were admitted to the First Affiliated Hospital of Fujian Medical University or Tianjin Medical University General Hospital from April 2017 to June 2020. Ten control participants with nonhemorrhagic central nervous system diseases were included. Choroid plexus 18 F-DPA714 uptake was calculated as the average SUVR. To aid the interpretation of the 18 F-DPA714 uptake results at the CP level, Cy5-DPA714 in vivo imaging and immunofluorescence staining were used to show the presence of CP inflammation in an ICH mouse model during the chronic phase (14 weeks after ICH). Then immunofluorescence staining against translocator protein and other specific biomarkers was used to characterize the cells present in the inflamed CP of ICH mice in the chronic phase. RESULTS PET imaging showed that CP DPA714 SUVRs in chronic-phase ICH patients were higher than in controls (mean CP SUVR ± SD; ICH group: 1.05 ± 0.35; control group: 0.81 ± 0.21; P = 0.006). Immunofluorescence staining of the CP in ICH model mice identified a population of CD45 + immune cells, peripheral monocyte-derived CD14 + cells, CD68 + phagocytes, and CD11b + resident microglia/macrophages expressing translocator protein, possibly contributing to the increased 18 F-DPA714 uptake. CONCLUSIONS Our study shows that CP DPA714 uptake in chronic-phase ICH patients was higher than that of participants with nonhemorrhagic central nervous system diseases, which means that CP inflammation is still active in chronic-phase ICH patients.
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Affiliation(s)
- Shaobo Yao
- From the Departments of Department of Neurosurgery, Department of Nuclear Medicine, Neurosurgery Research Institute
| | - Zhuyu Gao
- From the Departments of Department of Neurosurgery, Department of Nuclear Medicine, Neurosurgery Research Institute
| | | | - Ying Fu
- Department of Neurology, Institute of Neurology, First Affiliated Hospital, Fujian Medical University, Fuzhou, Fujian
| | - Qianqian Xue
- From the Departments of Department of Neurosurgery, Department of Nuclear Medicine, Neurosurgery Research Institute
| | - Tianmin Lai
- Department of Neurology, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Huangcheng Shangguan
- From the Departments of Department of Neurosurgery, Department of Nuclear Medicine, Neurosurgery Research Institute
| | - Weiwei Sun
- From the Departments of Department of Neurosurgery, Department of Nuclear Medicine, Neurosurgery Research Institute
| | | | - Fuxin Lin
- From the Departments of Department of Neurosurgery, Department of Nuclear Medicine, Neurosurgery Research Institute
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22
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Fang Z, Xu M, Shen S, Sun W, Yu Q, Wu Q, Xiang L, Weng Q. Prediction and characterization of prophages of Stenotrophomonas maltophilia reveals a remarkable phylogenetic diversity of prophages. Sci Rep 2023; 13:22941. [PMID: 38135742 PMCID: PMC10746704 DOI: 10.1038/s41598-023-50449-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: 04/27/2023] [Accepted: 12/20/2023] [Indexed: 12/24/2023] Open
Abstract
Prophages, which enables bacterial hosts to acquire novel traits, and increase genetic variation and evolutionary innovation, are considered to be one of the greatest drivers of bacterial diversity and evolution. Stenotrophomonas maltophilia is widely distributed and one of the most important multidrug resistant bacteria in hospitals. However, the distribution and genetic diversity of S. maltophilia prophages have not been elucidated. In this study, putative prophages were predicted in S. maltophilia genomes by using virus prediction tools, and the genetic diversity and phylogeny of S. maltophilia and the prophages they harbor were further analyzed. A total of 356 prophage regions were predicted from 88 S. maltophilia genomes. Among them, 144 were intact prophages, but 77.09% of the intact prophages did not match any known phage sequences in the public database. The number of prophage carried by S. maltophilia is related to its host habitat and is an important factor affecting the size of the host genome, but it is not related to the genetic diversity of the prophage. The prediction of auxiliary genes encoded by prophage showed that antibiotic resistance genes was not predicted for any of the prophages except for one questionable prophage, while 53 virulence genes and 169 carbohydrate active enzymes were predicted from 11.24 and 44.1% prophages, respectively. Most of the prophages (72.29%) mediated horizontal gene transfer of S. maltophilia genome, but only involved in 6.25% of the horizontal gene transfer events. In addition, CRISPR prediction indicated 97.75% S. maltophilia strains contained the CRISPR-Cas system containing 818 spacer sequences. However, these spacer sequences did not match any known S. maltophilia phages, and only a few S. maltophilia prophages. Comparative genomic analysis revealed a highly conserved and syntenic organization with genomic rearrangement between the prophages and the known related S. maltophilia phages. Our results indicate a high prevalence and genetic diversity of prophages in the genome of S. maltophilia, as well as the presence of a large number of uncharacterized phages. It provides an important complement to understanding the diversity and biological characteristics of phages, as well as the interactions and evolution between bacteria and phages.
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Affiliation(s)
- Zheng Fang
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, Guizhou, People's Republic of China
| | - Man Xu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, Guizhou, People's Republic of China
| | - Shan Shen
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, Guizhou, People's Republic of China
| | - Weiwei Sun
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, Guizhou, People's Republic of China
| | - Qing Yu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, Guizhou, People's Republic of China
| | - Qingshan Wu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, Guizhou, People's Republic of China
| | - Lan Xiang
- Qiannan Normal University for Nationalities, Duyun, 558000, Guizhou, People's Republic of China
| | - Qingbei Weng
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, Guizhou, People's Republic of China.
- Qiannan Normal University for Nationalities, Duyun, 558000, Guizhou, People's Republic of China.
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23
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Zhu C, Chen Y, Wan Z, Chen Z, Lin J, Chen P, Sun W, Yuan H, Zhang Y. Cross-sensitivity analysis of land use transition and ecological service values in rare earth mining areas in southern China. Sci Rep 2023; 13:22817. [PMID: 38129431 PMCID: PMC10739947 DOI: 10.1038/s41598-023-49015-2] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 12/02/2023] [Indexed: 12/23/2023] Open
Abstract
Exploring the cross-sensitivity between land use transformation and ecological service values in rare earth mining areas is of great significance for the development of ecological protection and restoration in rare earth mining areas. To study the impact of land use changes on ecosystem service functions in rare earth mining areas, firstly, the land use change trends in the study area from 2009 to 2019 were analyzed using the land transfer matrix; then the distribution of ecosystem service values and the flow direction of ecosystem service values in the study area were measured based on the ecosystem service value equivalents; a spatial autocorrelation analysis was done on the ecosystem service values to explore their spatial distribution patterns; and finally, the cross-sensitivity coefficient was used to quantitatively assess the extent and direction of the impact of land use change on ecosystem service values. The results show that the land use types in the study area are mainly forest land and farmland, with woodland accounting for the highest proportion of the study area. The ESV changes in the study area are consistent with the trend of land use transformation, with the overall increase and decrease being comparable, and the decrease in ESV is mainly concentrated in the areas with a large increase in mining land and construction land; during the study period, the study area was significantly reduced with low-low cluster areas and the ecological environment was improved; from 2009 to 2014, the ecological sensitivity coefficient is more variable, and is more sensitive to the net conversion between water and desert, from 2014 to 2019, the ecological sensitivity coefficient is less variable, and the most sensitive is the net conversion between cultivated land and water. The study area should be reasonably developed for rare earth resources and the ecological environment around the mining area should be reasonably protected to build an ecological security pattern.
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Affiliation(s)
- Chenhui Zhu
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Yonglin Chen
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China.
| | - Zhiwei Wan
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Zebin Chen
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Jianping Lin
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Peiru Chen
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Weiwei Sun
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Hao Yuan
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Yunping Zhang
- School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, China
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Tang J, Li S, Wang D, Zheng Q, Zhang J, Lu T, Yu J, Sun L, Sa B, Sumpter BG, Huang J, Sun W. Enriching 2D transition metal borides via MB XMenes (M = Fe, Co, Ir): Strong correlation and magnetism. Nanoscale Horiz 2023; 9:162-173. [PMID: 37991927 DOI: 10.1039/d3nh00364g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Recently, two-dimensional (2D) FeSe-like anti-MXenes (or XMenes), composed of late d-block transition metal M and p-block nonmetal X elements, have been both experimentally and theoretically investigated. Here, we select three 2D borides FeB, CoB and IrB for a deeper investigation by including strong correlation effects, as a fertile ground for understanding and applications. Using a combination of Hubbard corrected first-principles calculations and Monte Carlo simulations, FeB and CoB are found to be ferro- and anti-ferro magnetic, contrasting with the non-magnetic nature of IrB. The metallic FeB XMene monolayer, superior to most of the MXenes or MBenes, exhibits robust ferromagnetism, driven by intertwined direct-exchange and super-exchange interactions between adjacent Fe atoms. The predicted Curie temperature (TC) of the FeB monolayer via the Heisenberg model reaches an impressive 425 K, with the easy-axis oriented out-of-plane and high magnetic anisotropic energy (MAE). The asymmetry in the spin-resolved transmission spectrum induces a thermal spin current, providing an opportunity for spin filtration. This novel 2D FeB material is expected to hold great promise as an information storage medium and find applications in emerging spintronic devices.
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Affiliation(s)
- Jiawei Tang
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, School of Electronic Science and Engineering, Southeast University, Nanjing, 210096, China.
| | - Shaohan Li
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
- Jiangsu Province Key Laboratory of Advanced Metallic Materials, Southeast University, Nanjing, 219210, China
| | - Duo Wang
- Faculty of Applied Sciences, Macao Polytechnic University, Macao, SAR, China
| | - Qi Zheng
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
- Jiangsu Province Key Laboratory of Advanced Metallic Materials, Southeast University, Nanjing, 219210, China
| | - Jing Zhang
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, School of Electronic Science and Engineering, Southeast University, Nanjing, 210096, China.
| | - Tao Lu
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
- Jiangsu Province Key Laboratory of Advanced Metallic Materials, Southeast University, Nanjing, 219210, China
| | - Jin Yu
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
- Jiangsu Province Key Laboratory of Advanced Metallic Materials, Southeast University, Nanjing, 219210, China
| | - Litao Sun
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, School of Electronic Science and Engineering, Southeast University, Nanjing, 210096, China.
| | - Baisheng Sa
- Multiscale Computational Materials Facility, and Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350100, China
| | - Bobby G Sumpter
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 37831, USA
| | - Jingsong Huang
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 37831, USA
| | - Weiwei Sun
- Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing, 211189, China
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25
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Han W, Zhang E, Sun W, Lin Q, Meng X, Ni Z, Ning D, Shen J. Anthropogenic activities altering the ecosystem in Lake Yamzhog Yumco, southern Qinghai-Tibetan Plateau. Sci Total Environ 2023; 904:166715. [PMID: 37666338 DOI: 10.1016/j.scitotenv.2023.166715] [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: 05/29/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/06/2023]
Abstract
Lakes on the Qinghai-Tibet Plateau (QTP) have been subject to multiple environmental pressures from rapid climate change and intensified human activity in recent decades. However, their ecological effects on the lake ecosystem remain largely unclear due to the lack of long-term monitoring data. This study presented the environmental and ecological changes of the lake Yamzhog Yumco (Southern QTP) over the past three decades based on multi-proxy analysis (geochemistry and sedaDNA) on a high-time resolution sediment core. The result showed that the lake exhibited a continuous eutrophication process from 2004 CE, which has accelerated since 2014 CE. The nutrient enrichment was mainly attributed to anthropogenic emissions from the catchment. The sedimentary ancient DNA (sedaDNA) metabarcoding data registered a sensitive response of aquatic communities to the additional nutrient supply. Eukaryotic algae and aquatic invertebrate communities exhibited similar temporal dynamics, characterized by the increase in eutrophic taxa and the decrease in oligotrophic taxa. Change points analysis suggested that lake ecosystems underwent a slight ecological shift in 2003 CE and an abrupt shift in 2012 CE driven by nutrient enrichment. Quantitative analysis revealed that nutrients and human activity accounted for 27.9 % and 21.7 % of the temporal variation in aquatic communities, whereas climate change only explained 6.9 % of the total variation. From a paleolimnological view, our study supported that regional human activity could distinctly alter the nutrient level and aquatic community structure of lake ecosystems in the QTP. Considering that anthropogenic disturbance will continuously increase, it is crucial to strengthen the field monitoring of the lakes on the plateau and make effective management measures to avoid irreversible ecological consequences.
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Affiliation(s)
- Wu Han
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Science, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Enlou Zhang
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Science, Nanjing, 210008, China.
| | - Weiwei Sun
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Science, Nanjing, 210008, China
| | - Qi Lin
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Science, Nanjing, 210008, China
| | - Xianqiang Meng
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Science, Nanjing, 210008, China
| | - Zhenyu Ni
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Science, Nanjing, 210008, China
| | - Dongliang Ning
- School of Geography Sciences, Nantong University, Nantong, 226007, China
| | - Ji Shen
- School of Geography and Oceanography Sciences, Nanjing University, Nanjing, China
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Sun W, Wang B, Wang P, Liu B, Yan A, Pan B. Toltrazuril alkalizer-modifying solid dispersions against Toxoplasma gondii: A pharmacotechnical strategy to improve the efficacy of the drug. Eur J Pharm Sci 2023; 191:106613. [PMID: 37863442 DOI: 10.1016/j.ejps.2023.106613] [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: 04/20/2023] [Revised: 08/29/2023] [Accepted: 10/16/2023] [Indexed: 10/22/2023]
Abstract
Toxoplasma gondii is a zoonotic protozoan that can parasitize nucleated cells of all warm-blooded animals, and seriously harm human and livestock. Toltrazuril (TOL) has insecticidal activity against parasites of the phylum Apicomplexan at multiple development stages, but the clinical application is limited by its poor water solubility. To improve the dissolution of TOL, nine ternary solid dispersions (SD) were prepared with PEG6000 as the carrier and various alkalizers as the pH modifier. Compared with the binary SD, all ternary SDs had improved TOL dissolution although dissolution rates differed. The complete dissolution was achieved for the Ca(OH)2-SD, associated with a gradual release of the alkalizer and adequate pH regulation of the microenvironment. DSC, PXRD and FTIR analyses indicated that TOL in the Ca(OH)2-SD was present in an amorphous form and had a strong hydrogen bond with Ca(OH)2. Within the drug concentration of 100 μg/mL, Ca(OH)2-SD was proved to have no damage to host cells by in vitro cytotoxicity analysis, and its anti-T. gondii efficacy was significantly higher than that of TOL and binary SD. The in vivo efficacy of Ca(OH)2-SD against T. gondii in mice further confirmed that Ca(OH)2-SD could be used as a new strategy to prevent T. gondii from killing mice and treat toxoplasmosis. In conclusion, Ca(OH)2-SD is expected to eventually turn into a clinical candidate for toxoplasmosis treatment in the future.
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Affiliation(s)
- Weiwei Sun
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Bohan Wang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Penglong Wang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Boxing Liu
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - An Yan
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Baoliang Pan
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China.
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Fu B, Li S, Lao Z, Yuan B, Liang Y, He W, Sun W, He H. Multi-sensor and multi-platform retrieval of water chlorophyll a concentration in karst wetlands using transfer learning frameworks with ASD, UAV, and Planet CubeSate reflectance data. Sci Total Environ 2023; 901:165963. [PMID: 37543316 DOI: 10.1016/j.scitotenv.2023.165963] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/09/2023] [Accepted: 07/30/2023] [Indexed: 08/07/2023]
Abstract
China has one of the widest distributions of carbonate rocks in the world. Karst wetland is a special and important ecosystem of carbonate rock regions. Chlorophyll-a (Chla) concentration is a key indicator of eutrophication, and could quantitatively evaluate water quality status of karst wetland. However, the spectral reflectance characteristics of the water bodies of karst wetland are not yet clear, resulting in remote sensing retrieval of Chla with great challenges. This study is a pioneer in utilizing field-based full-spectrum hyperspectral data to reveal the spectral response characteristics of karst wetland water body and determine the sensitive spectral bands of Chla. We further evaluated the Chla retrieval performance of multi-platform spectral data between Analytical Spectral Device (ASD), Unmanned aerial vehicle (UAV), and PlanetScope (Planet). We proposed two multi-sensor weighted integration strategies and two transfer learning frameworks for estimating water Chla from the largest karst wetland in China by combing a partial least square with adaptive ensemble algorithms. The results showed that: (1) In the range of 500-850 nm, the spectral reflectance of water bodies in the karst wetland was overall 0.001-0.105 higher than the inland water bodies, and the sensitive spectral ranges of water Chla focus on 603-778 nm; (2) UAV images outperformed ASD and Planet data, and produced the highest inversion accuracy (R2 = 0.670) for water Chla in karst wetland; (3) Multi-sensor weighted integration retrieval methods improved the Chla estimation accuracy (R2 = 0.716). Integration retrieval methods with the different weights produced the better Chla estimation accuracy than that of methods with the equal weights; (4) The transfer learning methods from ASD to UAV platform provided the better retrieval performance (the average R2 = 0.669) than that of methods from UAV to Planet platform. The transfer learning methods obtained the highest estimation accuracy of Chla (R2 = 0.814) when the ratio of the training and test data in the target domain was 7:3. The transfer learning methods produced the higher estimation accuracies with the distribution of the absolute residuals between predicted and measured values <20.957 mg/m3 compared to the multi-sensor weighted integration retrieval methods, which demonstrated that transfer learning is more suitable for estimating Chla in karst wetland water bodies using multi-platform and multi-sensor data. The results provide a scientific basis for the protection and sustainable development of karst wetlands.
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Affiliation(s)
- Bolin Fu
- College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541006, China.
| | - Sunzhe Li
- College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541006, China
| | - Zhinan Lao
- College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541006, China
| | - Bingyan Yuan
- College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541006, China
| | - Yiyin Liang
- College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541006, China
| | - Wen He
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China
| | - Weiwei Sun
- Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo 315211, China.
| | - Hongchang He
- College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541006, China
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Cao C, Li C, Li X, Sun W, Wang Y. Association of systemic immune-inflammation index (SII) and aggregate index of systemic inflammation (AISI) with thyroid nodules in patients with type 2 diabetes mellitus: a retrospective study. BMC Endocr Disord 2023; 23:251. [PMID: 37986076 PMCID: PMC10659038 DOI: 10.1186/s12902-023-01509-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: 08/13/2023] [Accepted: 11/08/2023] [Indexed: 11/22/2023] Open
Abstract
OBJECTIVE This retrospective study aimed to investigate the association between TNs and the systemic immune-inflammation index (SII) and the aggregate index of systemic inflammation (AISI) in patients with T2DM. METHODS A total of 370 T2DM patients, who were admitted to Dongzhimen Hospital between January 2020 and March 2023, were included in this retrospective study. Binary logistic regression models with multivariable adjustment were employed to assess the relationship between SII, AISI quartiles, and TNs. Furthermore, receiver operating characteristic (ROC) curve analysis was performed to assess the diagnostic accuracy of SII and AISI in identifying T2DM patients with TNs. RESULTS Age, diabetes duration, diabetic nephropathy (DN), SII, and AISI demonstrated significant positive associations with TNs. Compared to the first quartile of SII, the second, third, and fourth quartiles showed increased risks of TNs with hazard ratios (HRs) of 1.578 (0.883-2.820), 2.279 (1.257-4.131), and 3.626 (1.931-6.810), respectively (P < 0.001). Similar results were observed for AISI and TNs. ROC curve analysis revealed that SII and AISI exhibited a high discriminatory capability for identifying TNs in the overall and male participant group, whereas the significance among females was not discernible. CONCLUSIONS This study provides evidence that SII and AISI are independent risk factors for TNs, suggesting that elevated SII and AISI levels may contribute to the development of TNs in patients with T2DM particularly among male individuals.
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Affiliation(s)
- Can Cao
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Chunyao Li
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Xiaoting Li
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Weiwei Sun
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Yaoxian Wang
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China.
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Sun W, Rassadkina Y, Gao C, Collens SI, Lian X, Solomon IH, Mukerji SS, Yu XG, Lichterfeld M. Persistence of intact HIV-1 proviruses in the brain during antiretroviral therapy. eLife 2023; 12:RP89837. [PMID: 37938115 PMCID: PMC10631759 DOI: 10.7554/elife.89837] [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] [Indexed: 11/09/2023] Open
Abstract
HIV-1 reservoir cells that circulate in peripheral blood during suppressive antiretroviral therapy (ART) have been well characterized, but little is known about the dissemination of HIV-1-infected cells across multiple anatomical tissues, especially the CNS. Here, we performed single-genome, near full-length HIV-1 next-generation sequencing to evaluate the proviral landscape in distinct anatomical compartments, including multiple CNS tissues, from 3 ART-treated participants at autopsy. While lymph nodes and, to a lesser extent, gastrointestinal and genitourinary tissues represented tissue hotspots for the persistence of intact proviruses, we also observed intact proviruses in CNS tissue sections, particularly in the basal ganglia. Multi-compartment dissemination of clonal intact and defective proviral sequences occurred across multiple anatomical tissues, including the CNS, and evidence for the clonal proliferation of HIV-1-infected cells was found in the basal ganglia, in the frontal lobe, in the thalamus and in periventricular white matter. Deep analysis of HIV-1 reservoirs in distinct tissues will be informative for advancing HIV-1 cure strategies.
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Affiliation(s)
- Weiwei Sun
- Ragon Institute of MGH, MIT and HarvardCambridgeUnited States
| | | | - Ce Gao
- Ragon Institute of MGH, MIT and HarvardCambridgeUnited States
| | | | - Xiaodong Lian
- Ragon Institute of MGH, MIT and HarvardCambridgeUnited States
| | - Isaac H Solomon
- Department of Pathology, Brigham and Women’s HospitalBostonUnited States
| | - Shibani S Mukerji
- Department of Neurology, Massachusetts General HospitalBostonUnited States
| | - Xu G Yu
- Ragon Institute of MGH, MIT and HarvardCambridgeUnited States
- Infectious Disease Division, Brigham and Women’s HospitalBostonUnited States
| | - Mathias Lichterfeld
- Ragon Institute of MGH, MIT and HarvardCambridgeUnited States
- Infectious Disease Division, Brigham and Women’s HospitalBostonUnited States
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Zhang Y, Guo Z, Liu D, Sun W. Seismic response analysis of super-high-rise building structures with three-layer isolation systems. Sci Rep 2023; 13:19165. [PMID: 37932380 PMCID: PMC10628207 DOI: 10.1038/s41598-023-46207-8] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 10/29/2023] [Indexed: 11/08/2023] Open
Abstract
This paper proposes a triple-layer isolation device based on the single-story isolation and double-layer isolation. By establishing dynamic equilibrium equations and conducting earthquake response comparative analyses on the same super-tall building structure using three different forms of isolation: single-story isolation, double-layer isolation, and triple-layer isolation, it is found that the triple-layer isolation device, which adds an isolation layer on the basis of the double-layer isolation device, exhibits many different characteristics in terms of its damping mechanism, seismic response rules, etc., due to the differences in the position and quantity of the isolation layer. Rare earthquakes are equivalent to ASCE maximum considered earthquake or annual occurrence probability of 2%. The research shows that, under rare earthquake conditions, the isolation effect of the triple-layer isolation device in the super-tall frame-shear structure is better than that of the single-story isolation and double-layer isolation devices. Particularly, as the number of floors increases, the triple-layer isolation device can significantly reduce the seismic isolation support tension and compression stresses, inter-story displacement, single-story shear force, overturning moment, and floor acceleration of the high-rise building structure, and concentrate the lateral displacement of the structure on the three isolation layers, dissipating most of the seismic input energy.
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Affiliation(s)
- Yuan Zhang
- College of Civil Engineering, Southwest Forestry University, Kunming, 650000, Yunnan, China
| | - Zhongfa Guo
- Rattana Bundit University, Mangu, 10700, Thailand.
| | - Dewen Liu
- College of Civil Engineering, Southwest Forestry University, Kunming, 650000, Yunnan, China.
| | - Weiwei Sun
- College of Civil Engineering, Southwest Forestry University, Kunming, 650000, Yunnan, China.
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Sun W, Hao Y, Li C, Zhao Y, Yu H, Wang L. Inhibition of Galectin-3 in a Rat Model of Epilepsy and Kainate-Activated BV2 Cells Limits Microglial Activation Through the NLRP3/Pyroptosis Pathway. Neuroimmunomodulation 2023; 30:325-337. [PMID: 37926077 DOI: 10.1159/000534833] [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: 02/02/2023] [Accepted: 10/23/2023] [Indexed: 11/07/2023] Open
Abstract
INTRODUCTION This study aimed to investigate the possible role of galectin-3 in epilepsy and further explore its underlying mechanisms. METHODS Sprague-Dawley rats were intraperitoneally injected with 30 mg/kg pilocarpine to induce an animal model of epilepsy. To inhibit galectin-3, the epilepsy model of rats was intraperitoneally injected with TD139. The severity of the seizure was graded according to the Racine score. The pathological changes in hippocampal CA1 regions were observed by hematoxylin and eosin and Nissl staining. Enzyme-linked immunosorbent assay, quantitative real-time polymerase chain reaction, and Western blot were used to detect the levels of cytokines and pyroptosis-related factors. The in vitro effects of galectin-3 were confirmed on BV2 cells and rat primary microglia by transfection with lentivirus vectors carrying Lgals3 shRNA or by treatment with TD139. RESULTS A higher expression of galectin-3 was observed in the hippocampal CA1 regions of epilepsy rats than in sham rats. Inhibition of galectin-3 by administration of TD139 improved the severity of the seizure, hippocampal damage, and neuron loss. TD139 administration suppressed the expression of NLRP3, ASC, c-caspase-1, and GSDMD-N, and reduced the levels of cytokines. In kainic acid-treated microglia, Lgals3 shRNA or TD139 significantly inhibited Iba1 expression and limited NLRP3/pyroptosis-triggered inflammation. CONCLUSION Galectin-3 activates the NLRP3/pyroptosis signaling pathway to promote microglial activation and neuroinflammation during epilepsy disease progression.
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Affiliation(s)
- Weiwei Sun
- Department of Pediatrics, Yantai Yuhuangding Hospital, Yantai, China
| | - Ying Hao
- Department of Pediatrics, Yantai Yuhuangding Hospital, Yantai, China
| | - Chunxiang Li
- Department of Pediatrics, Yantai Yuhuangding Hospital, Yantai, China
| | - Yuanyuan Zhao
- Department of Pediatrics, Yantai Yuhuangding Hospital, Yantai, China
| | - Haishao Yu
- Department of Pediatrics, Yantai Yuhuangding Hospital, Yantai, China
| | - Lin Wang
- Department of Pediatrics, Yantai Yuhuangding Hospital, Yantai, China
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Diao Y, Sun W, Zhang Z, Zhao B, Chen X. Clinical report and genetic analysis of a neonate with genitourinary and/or brain malformation syndrome caused by a non-coding sequence variant of PPP1R12A. Mol Genet Genomic Med 2023; 11:e2223. [PMID: 37272772 PMCID: PMC10568382 DOI: 10.1002/mgg3.2223] [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: 12/15/2022] [Revised: 05/09/2023] [Accepted: 05/23/2023] [Indexed: 06/06/2023] Open
Abstract
BACKGROUND Genitourinary and/or brain malformation syndrome (GUBS) is a recently discovered syndrome involving abnormalities of the neurological or urogenital system. PPP1R12A may be the pathological gene causing this syndrome. Currently, to our knowledge, there is only one study related to GUBS in the world. Here, we report a clinical case of a Chinese newborn with congenital micropenis caused by a non-coding sequence pathogenic variant of PPP1R12A, providing additional evidence on genetic causes of genital malformation. METHODS The genetic cause of the patient's malformation was detected using trio-whole exome sequencing and Sanger sequencing, and reverse transcription-PCR analysis was performed by constructing the minigene mutant plasmid in vitro. RESULTS Genetic testing revealed a novel heterozygous variant, c.2666+3A>G, of the PPP1R12A gene of the patient. The parents at this site were wild-type, indicating that this might be a de novo variant. The minigene experiment showed that the c.2666+3A>G plasmid led to the deletion of 17 bp in exon 20, and a new mRNA product c.2650_2666del (p.Thr884IleTer2) with skipping of exon 20 was produced. This may lead to PPP1R12A haploinsufficiency and cause biological harm. CONCLUSIONS To our knowledge, this is the first clinical study on a rare variant of PPP1R12A in the Chinese population. The c.2666+3A>G may lead to external genitalia malformation, such as congenital micropenis in male neonates. The results of this study further verified the correlation between GUBS and PPP1R12A haploinsufficiency and revealed the important role of a non-coding sequence variant in the pathogenesis of the disease.
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Affiliation(s)
- Yanxia Diao
- Department of PediatricsThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
| | - Weiwei Sun
- Beijing Chigene Translational Medicine Research Center Co., LtdBeijingChina
| | - Zhen Zhang
- Department of PediatricsThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
| | - Bing Zhao
- Department of PediatricsThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
| | - Xin Chen
- Department of PediatricsThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
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Sun W, Rassadkina Y, Gao C, Collens SI, Lian X, Solomon IH, Mukerji S, Yu XG, Lichterfeld M. Persistence of intact HIV-1 proviruses in the brain during antiretroviral therapy. bioRxiv 2023:2023.06.26.546135. [PMID: 37425847 PMCID: PMC10327102 DOI: 10.1101/2023.06.26.546135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
HIV-1 reservoir cells that circulate in peripheral blood during suppressive antiretroviral therapy (ART) have been well characterized, but little is known about the dissemination of HIV-1-infected cells across multiple anatomical tissues, especially the central nervous system (CNS). Here, we performed single-genome, near full-length HIV-1 next-generation sequencing to evaluate the proviral landscape in distinct anatomical compartments, including multiple CNS tissues, from 3 ART-treated participants at autopsy. While lymph nodes and, to a lesser extent, gastrointestinal and genitourinary tissues represented tissue hotspots for the persistence of intact proviruses, we also observed intact proviruses in CNS tissue sections, particularly in the basal ganglia. Multi-compartment dissemination of clonal intact and defective proviral sequences occurred across multiple anatomical tissues, including the CNS, and evidence for the clonal proliferation of HIV-1-infected cells was found in the basal ganglia, in the frontal lobe, in the thalamus and in periventricular white matter. Deep analysis of HIV-1 reservoirs in distinct tissues will be informative for advancing HIV-1 cure strategies.
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Affiliation(s)
- Weiwei Sun
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA
| | | | - Ce Gao
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA
| | | | - Xiaodong Lian
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA
| | - Isaac H. Solomon
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA
| | - Shibani Mukerji
- Department of Neurology, Massachusetts General Hospital, Boston, MA
| | - Xu G. Yu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA
- Infectious Disease Division, Brigham and Women’s Hospital, Boston, MA
| | - Mathias Lichterfeld
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA
- Infectious Disease Division, Brigham and Women’s Hospital, Boston, MA
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Mao X, Wu W, Nan Y, Sun W, Wang Y. SMAD2 inhibits pyroptosis of fibroblast-like synoviocytes and secretion of inflammatory factors via the TGF-β pathway in rheumatoid arthritis. Arthritis Res Ther 2023; 25:144. [PMID: 37559090 PMCID: PMC10410963 DOI: 10.1186/s13075-023-03136-1] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 08/02/2023] [Indexed: 08/11/2023] Open
Abstract
OBJECTIVE Rheumatoid arthritis (RA) is a chronic, progressive autoimmune disease. Over-activation of fibroblast-like synoviocytes is responsible for the hyperplasia of synovium and destruction of cartilage and bone and pyroptosis of FLS plays a key role in those pathological processes during RA. This study investigated the detailed mechanisms that SMAD2 regulates the pyroptosis of FLS and secretion of inflammatory factors in rheumatoid arthritis. METHODS We collected synovial tissues of RA patients and FLS-RA and cultured FLS for detection of expression of SMAD2. ASC, NLRP3, cleaved-caspase-1, and GSDMD-N were detected by Western blot after overexpression of SMAD2. Besides, flow cytometry, electron microscope, ELISA, HE staining, and Safranin O staining were performed to further demonstrate that SMAD2 can affect the pyroptosis of FLS-RA. RESULTS The expression of SMAD2 was down-regulated in synovial tissues of RA patients and FLS-RA. Overexpression of SMAD2 can inhibit the expression of ASC, NLRP3, cleaved-caspase-1, and GSDMD-N. Flow cytometry and electron microscope further demonstrated that SMAD2 attenuated pyroptosis of FLS-RA. In addition, overexpression of SMAD2 also inhibited inflammatory factors such as IL-1β, IL-18, IL-6, and IL-8 secretion and release of LDH. Besides, overexpression of SMAD2 can reverse the decrease of p-SMAD2 and TGF-TGF-β induced by nigericin. In vivo experiments on CIA rats further demonstrated that overexpression of SMAD2 by local intra-articular injection of LV-SMAD2 can effectively alleviate joint redness, swelling, and destruction of cartilage and bones. CONCLUSION SMAD2 inhibited FLS-RA pyroptosis by down-regulating of NLRP3 inflammasomes (NLRP3, ASC, and caspase-1 complex) and eased the secretion of inflammatory factors via the TGF-β signaling pathway, thereby improving the symptom of RA. We hope that this study may provide a new research idea for RA and a potential target for the treatment of RA.
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Affiliation(s)
- Xingxing Mao
- Suzhou Medical College of Soochow University, Suzhou, 215000, China
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China
- Department of Orthopaedics, Affiliated Nantong Hospital of Shanghai University, The Six People's Hospital of Nantong, Nantong, Jiangsu, 226001, China
| | - Weijie Wu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China
- Department of Orthopaedics, Affiliated Nantong Hospital of Shanghai University, The Six People's Hospital of Nantong, Nantong, Jiangsu, 226001, China
| | - Yunyi Nan
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China
| | - Weiwei Sun
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China.
| | - Youhua Wang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, China.
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Zhu K, Liu X, Qi X, Liu Q, Wang B, Sun W, Pan B. Acaricidal activity of bioactive compounds isolated from Aspergillus oryzae against poultry red mites, Dermanyssus gallinae (Acari: Dermanyssidae). Vet Parasitol 2023; 320:109983. [PMID: 37450962 DOI: 10.1016/j.vetpar.2023.109983] [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: 04/26/2023] [Revised: 07/04/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
Dermanyssus gallinae, the poultry red mite (PRM), is an obligate ectoparasite feeding on poultry blood, seriously affecting the health of layers and egg production. The control of PRMs mainly relies on chemical drugs, which is facing several challenges such as the environment pollution and drug resistance. Using fungal metabolites is an environmentally friendly alternative for the control of pests. However, few studies have been conducted on the efficacy of fungal metabolites against D. gallinae. In this study, five strains of fungi were isolated from D. gallinae under laboratory conditions, and their extracts with ethyl acetate were tested for acaricidal activity on D. gallinae. The crude extract of Aspergillus oryzae caused 75.55 ± 6.94% mortality of mites at a concentration of 12.5 mg/mL, showing the highest acaricidal effect in all extracts. Subsequently, the extract of A. oryzae was isolated by bio-guided fractionation, and ten major compounds were identified by LC-MS/MS analysis. The results of bioassays indicated that five compounds exhibited acaricidal activity against D. gallinae. N, N-dimethyldecylamine N-oxide was the optimal acaricidal compound with LC50 of 0.568 mg/mL. Additionally, palmitic acid, triethanolamine, cuminaldehyde, and 2,4-dimethylbenzaldehyde also showed acaricidal activity. These compounds have great application potential in the mite control, and the analysis of these fungal acaricidal substances provides a new idea and basis for the subsequent development of PRM control technology.
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Affiliation(s)
- Kexin Zhu
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Xin Liu
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Xiaoxiao Qi
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Qi Liu
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Bohan Wang
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Weiwei Sun
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Baoliang Pan
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
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Zhao C, Qin B, Feng S, Zhu W, Sun W, Li W, Jia X. Hyperspectral Image Classification with Multi-attention Transformer and Adaptive Superpixel Segmentation-based Active Learning. IEEE Trans Image Process 2023; PP:1-1. [PMID: 37368812 DOI: 10.1109/tip.2023.3287738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Deep learning (DL) based methods represented by convolutional neural networks (CNNs) are widely used in hyperspectral image classification (HSIC). Some of these methods have strong ability to extract local information, but the extraction of long-range features is slightly inefficient, while others are just the opposite. For example, limited by the receptive fields, CNN is difficult to capture the contextual spectral-spatial features from a long-range spectral-spatial relationship. Besides, the success of DL-based methods is greatly attributed to numerous labeled samples, whose acquisition are time-consuming and cost-consuming. To resolve these problems, a hyperspectral classification framework based on multi-attention Transformer (MAT) and adaptive superpixel segmentation-based active learning (MAT-ASSAL) is proposed, which successfully achieves excellent classification performance, especially under the condition of small-size samples. Firstly, a multi-attention Transformer network is built for HSIC. Specifically, the self-attention module of Transformer is applied to model long-range contextual dependency between spectral-spatial embedding. Moreover, in order to capture local features, an outlook-attention module which can efficiently encode fine-level features and contexts into tokens is utilized to improve the correlation between the center spectral-spatial embedding and its surroundings. Secondly, aiming to train a excellent MAT model through limited labeled samples, a novel active learning (AL) based on superpixel segmentation is proposed to select important samples for MAT. Finally, to better integrate local spatial similarity into active learning, an adaptive superpixel (SP) segmentation algorithm, which can save SPs in uninformative regions and preserve edge details in complex regions, is employed to generate better local spatial constraints for AL. Quantitative and qualitative results indicate that the MAT-ASSAL outperforms seven state-of-the-art methods on three HSI datasets.
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Sun W, He Q, Liu J, Xiao X, Wu Y, Zhou S, Ma S, Wang R. Dynamic monitoring of maize grain quality based on remote sensing data. Front Plant Sci 2023; 14:1177477. [PMID: 37426960 PMCID: PMC10325687 DOI: 10.3389/fpls.2023.1177477] [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] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/31/2023] [Indexed: 07/11/2023]
Abstract
Remote sensing data have been widely used to monitor crop development, grain yield, and quality, while precise monitoring of quality traits, especially grain starch and oil contents considering meteorological elements, still needs to be improved. In this study, the field experiment with different sowing time, i.e., 8 June, 18 June, 28 June, and 8 July, was conducted in 2018-2020. The scalable annual and inter-annual quality prediction model for summer maize in different growth periods was established using hierarchical linear modeling (HLM), which combined hyperspectral and meteorological data. Compared with the multiple linear regression (MLR) using vegetation indices (VIs), the prediction accuracy of HLM was obviously improved with the highest R 2, root mean square error (RMSE), and mean absolute error (MAE) values of 0.90, 0.10, and 0.08, respectively (grain starch content (GSC)); 0.87, 0.10, and 0.08, respectively (grain protein content (GPC)); and 0.74, 0.13, and 0.10, respectively (grain oil content (GOC)). In addition, the combination of the tasseling, grain-filling, and maturity stages further improved the predictive power for GSC (R 2 = 0.96). The combination of the grain-filling and maturity stages further improved the predictive power for GPC (R 2 = 0.90). The prediction accuracy developed in the combination of the jointing and tasseling stages for GOC (R 2 = 0.85). The results also showed that meteorological factors, especially precipitation, had a great influence on grain quality monitoring. Our study provided a new idea for crop quality monitoring by remote sensing.
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Affiliation(s)
- Weiwei Sun
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Qijin He
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD), Nanjing University of Information Science and Technology, Nanjing, China
| | - Jiahong Liu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Xiao Xiao
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Yaxin Wu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Sijia Zhou
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Selimai Ma
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Rongwan Wang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
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38
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Lv Z, Huang H, Sun W, Jia M, Benediktsson JA, Chen F. Iterative Training Sample Augmentation for Enhancing Land Cover Change Detection Performance With Deep Learning Neural Network. IEEE Trans Neural Netw Learn Syst 2023; PP:1-14. [PMID: 37342946 DOI: 10.1109/tnnls.2023.3282935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/23/2023]
Abstract
Labeled samples are important in achieving land cover change detection (LCCD) tasks via deep learning techniques with remote sensing images. However, labeling samples for change detection with bitemporal remote sensing images is labor-intensive and time-consuming. Moreover, manually labeling samples between bitemporal images requires professional knowledge for practitioners. To address this problem in this article, an iterative training sample augmentation (ITSA) strategy to couple with a deep learning neural network for improving LCCD performance is proposed here. In the proposed ITSA, we start by measuring the similarity between an initial sample and its four-quarter-overlapped neighboring blocks. If the similarity satisfies a predefined constraint, then a neighboring block will be selected as the potential sample. Next, a neural network is trained with renewed samples and used to predict an intermediate result. Finally, these operations are fused into an iterative algorithm to achieve the training and prediction of a neural network. The performance of the proposed ITSA strategy is verified with some widely used change detection deep learning networks using seven pairs of real remote sensing images. The excellent visual performance and quantitative comparisons from the experiments clearly indicate that detection accuracies of LCCD can be effectively improved when a deep learning network is coupled with the proposed ITSA. For example, compared with some state-of-the-art methods, the quantitative improvement is 0.38%-7.53% in terms of overall accuracy. Moreover, the improvement is robust, generic to both homogeneous and heterogeneous images, and universally adaptive to various neural networks of LCCD. The code will be available at https://github.com/ImgSciGroup/ITSA.
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Cao Y, Fang H, Guo C, Sun W, Xu Y, Wu Y, Wang Y. Alkynyl Boosted High-Performance Lithium Storage and Mechanism in Covalent Phenanthroline Framework. Angew Chem Int Ed Engl 2023:e202302143. [PMID: 37269463 DOI: 10.1002/anie.202302143] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [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: 02/12/2023] [Revised: 05/14/2023] [Accepted: 06/02/2023] [Indexed: 06/05/2023]
Abstract
The poor conductivity of the pristine bulk covalent organic material is the main challenge for its application in energy storage and the mechanism of symmetric alkynyl bonds (C≡C) in covalent organic materials for lithium storage is still rarely reported. Herein, a nanosized (~80 nm) alkynyl-linked covalent phenanthroline framework (Alkynyl-CPF) is designed and synthesized for the first time to improve the intrinsic charge conductivity and the insolubility of the covalent organic material in lithium-ion batteries. On account of the high degree of electron conjugation along alkynyl units and N atoms from phenanthroline groups, Alkynyl-CPF electrodes with the lowest HOMO-LUMO energy gap (ΔE=2.629 eV) show improved intrinsic conductivity by density functional theory (DFT) calculations. Therefore, the pristine Alkynyl-CPF electrode delivers superior cycling performance with a large reversible capacity and outstanding rate properties (1068.0 mA h g-1 after 300 cycles at 100 mA g-1 and 410.5 mA h g-1 after 700 cycles at 1000 mA g-1). Moreover, by Raman, FT-IR, XPS, EIS, and theoretical simulations, the energy-storage mechanism of C≡C units and phenanthroline groups in the Alkynyl-CPF electrode has been deeply probed. This work may provide new strategies and insights for the design and mechanism of covalent organic materials in electrochemical energy storage.
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Affiliation(s)
- Yingnan Cao
- Shanghai University, Department of Chemical Engineering, 99 Shangda Road, CHINA
| | - Haoyan Fang
- Shanghai University, Department of Chemical Engineering, 99 Shangda Road, CHINA
| | - Chaofei Guo
- Shanghai University, Department of Chemical Engineering, 99 Shangda Road, CHINA
| | - Weiwei Sun
- Shanghai University, Department of Chemical Engineering, 99 Shangda Road, CHINA
| | - Yi Xu
- Shanghai University, Department of Chemical Engineering, 99 Shangda Road, CHINA
| | - Yang Wu
- Shanghai University, Department of Chemical Engineering, 99 Shangda Road, CHINA
| | - Yong Wang
- Shanghai University, Department of Chemical Engineering, 99 Shangda Road, 200444, Shanghai, CHINA
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Zhang XM, Tang J, Zhang J, Yu J, Sun L, Yang Z, Xia K, Sun W. A novel two-dimensional superconducting Ti layer: density functional theory and electron-beam irradiation. Nanoscale Horiz 2023; 8:767-775. [PMID: 36988068 DOI: 10.1039/d2nh00508e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Since the discovery of graphene in an atomic thin layer format, many investigations have been conducted to search for two-dimensional (2D) layered materials, in which 3d-transition metals offer much new physics and great freedom of tunability. In this work, through electron-beam irradiation, we enable the manufacture of a new 2D Ti nanosheet from a suspension of Ti0.91O2 nanosheets. In state-of-the-art density functional theory (DFT), both empirical and linear response theory predicted that Hubbard Ueff values would be imposed, resulting in unstable phonon dispersion curves. In the end, the newly found Ti monolayer is confirmed to be a non-magnetic superconductor, with a medium level of electron-phonon coupling. The newly established Ti layer is quite robust under strain, and the evolution of local Dirac points in electronic bands is also analyzed in terms of linearity and energetic shift near the Fermi energy. As suggested by the Fermi surface, this metal monolayer experiences an electronic topological transition under strain. Our findings will encourage many more explorations of pure d metal-based isotopic monolayers with diverse structures and open a new playground for 2D superconductors and ultra-thin sensoring components.
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Affiliation(s)
- Xiao-Min Zhang
- School of Physics, Southeast University, Nanjing 211189, China.
| | - Jiawei Tang
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China.
| | - Jing Zhang
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China.
| | - Jin Yu
- Jiangsu Province Key Laboratory of Advanced Metallic Materials, Southeast University, Nanjing, 219210, China
| | - Litao Sun
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China.
| | - Zhiqing Yang
- Ji Hua Laboratory, Foshan 528251, China.
- Foshan University, Foshan 528231, China
| | - Ke Xia
- School of Physics, Southeast University, Nanjing 211189, China.
| | - Weiwei Sun
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China.
- Jiangsu Province Key Laboratory of Advanced Metallic Materials, Southeast University, Nanjing, 219210, China
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Sun W, Xia L, Wu Y. Life Histories and Functional Responses of Two Predatory Mites Feeding on the Stored-Grain Pest Liposcelis bostrychophila Badonnel (Psocoptera: Liposcelididae). Insects 2023; 14:insects14050478. [PMID: 37233106 DOI: 10.3390/insects14050478] [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: 04/02/2023] [Revised: 05/09/2023] [Accepted: 05/14/2023] [Indexed: 05/27/2023]
Abstract
Cheyletus malaccensis Oudemans and Cheyletus eruditus (Schrank) are predators of stored-grain pests in China. The psocid Liposcelis bostrychophila Badonnel is prone to outbreaks in depots. To assess the potential of large-scale breeding with Acarus siro Linnaeus and the biological control potential of C. malaccensis and C. eruditus against L. bostrychophila, we determined the development times of different stages at 16, 20, 24, and 28 °C and 75% relative humidity (RH) while feeding on A. siro, as well as the functional responses of both species' protonymphs and females to L. bostrychophila eggs at 28 °C and 75% RH. Cheyletus malaccensis had a shorter development time and longer adult survival time than C. eruditus at 28 °C and 75% RH and could establish populations faster than C. eruditus while preying on A. siro. The protonymphs of both species showed a type II functional response, while the females showed a type III functional response. Cheyletus malaccensis showed a higher predation ability than C. eruditus, and the females of both species had a higher predation ability than the protonymphs. Based on the observed development times, adult survival times, and predation efficiency, Cheyletus malaccensis has much greater biocontrol potential than C. eruditus.
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Affiliation(s)
- Weiwei Sun
- Academy of National Food and Strategic Reserves Administration, National Engineering Research Center for Grain Storage and Transportation, No. 11 Baiwanzhuang Street, Beijing 100037, China
| | - Liyuan Xia
- Academy of National Food and Strategic Reserves Administration, National Engineering Research Center for Grain Storage and Transportation, No. 11 Baiwanzhuang Street, Beijing 100037, China
| | - Yi Wu
- Academy of National Food and Strategic Reserves Administration, National Engineering Research Center for Grain Storage and Transportation, No. 11 Baiwanzhuang Street, Beijing 100037, China
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Zhao X, Li X, Sun W, Wei Z, Yu M, Zhang M, Tian R. Case report: "Major fetal cardiac pathology associated with a novel CTNND1 mutation". Front Pediatr 2023; 11:1180381. [PMID: 37274823 PMCID: PMC10235691 DOI: 10.3389/fped.2023.1180381] [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] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/02/2023] [Indexed: 06/07/2023] Open
Abstract
Background The p120-ctn protein, encoded by CTNND1, is involved in intercellular connections and regulates epithelial-mesenchymal transformation. CTNND1 mutations can lead to blepharocheilodontic syndrome (BCDS). Increasing evidence shows that although BCDS mainly manifests as craniofacial and oral deformities, it can also present as congenital heart disease, limb deformities, and neurodevelopmental disorders. Case description We report a prenatal case of a major cardiac malformation at 24+3 weeks of gestation. Ultrasound examination revealed a hypoplastic left ventricular, aortic coarctation, and a ventricular septal defect. Genetic analysis of the fetal tissues showed the presence of a novel mutation in CTNND1 (NM_001085458.2: c.566_c.567insG; p.Pro190fs*15), which may lead to premature termination of protein coding, while both the parents harbored wild-type CTNND1. To date, only 15 CTNND1 mutations have been reported in 19 patients worldwide, of which approximately 31% (6/19) had a cardiac phenotype. Conclusion To the best of our knowledge, this is the first case report of fetal complicated cardiac malformations caused by this CTNND1 mutation. Our findings provide new clinical references for prenatal diagnosis and suggest an important role for CTNND1 in early cardiac development.
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Affiliation(s)
- Xuliang Zhao
- Department of Laboratory, The 901th Hospital of the Joint Service of the People's Liberation Army, Hefei, China
| | - Xu Li
- Department of Radiology, Anhui Children’s Hospital, Hefei, China
| | - Weiwei Sun
- Department of Medical, Beijing Chigne Translational Medicine Research Center, Beijing, China
| | - Zhuojun Wei
- Department of Obstetrics and Gynecology, The 901th Hospital of the Joint Service of the People's Liberation Army, Hefei, China
| | - Min Yu
- Department of Obstetrics and Gynecology, The 901th Hospital of the Joint Service of the People's Liberation Army, Hefei, China
| | - Man Zhang
- Department of Laboratory, The 901th Hospital of the Joint Service of the People's Liberation Army, Hefei, China
| | - Ruixia Tian
- Department of Obstetrics and Gynecology, The 901th Hospital of the Joint Service of the People's Liberation Army, Hefei, China
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43
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Ge J, Sun W, Zhou B. Editorial: Self in the space-time continuum: from basic perception to complex social cognition. Front Psychol 2023; 14:1198227. [PMID: 37228342 PMCID: PMC10204143 DOI: 10.3389/fpsyg.2023.1198227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 04/19/2023] [Indexed: 05/27/2023] Open
Affiliation(s)
- Jianqiao Ge
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Weiwei Sun
- Department of Computer Science and Technology, University of Cambridge, Cambridge, United Kingdom
| | - Bin Zhou
- Institute of Psychology, Chinese Academy of Sciences, Beijing, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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Huo X, Wang K, Liu W, Sun W, Yin R, Sun Y, Gao Y, You T, Yin P. Synchronous Modulation of Energy Level Gradient and Defects for High-Efficiency HTL-Free Carbon-Based All-Inorganic Perovskite Solar Cells. Small Methods 2023:e2300192. [PMID: 37116089 DOI: 10.1002/smtd.202300192] [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: 02/13/2023] [Revised: 03/22/2023] [Indexed: 06/19/2023]
Abstract
In order to improve the thermal stability of perovskite solar cells (PSCs) and reduce production costs, hole transport layer (HTL)-free carbon-based CsPbI3 PSCs (C-PSCs) have attracted the attention of researchers. However, the power conversion efficiency (PCE) of HTL-free CsPbI3 C-PSCs is still lower than that of PSCs with HTL/ metal electrodes. This is because the direct contact between the carbon electrode and the perovskite layer has a higher requirement on the crystal quality of perovskite layer and matched energy level at perovskite/carbon interface. Herein, the acyl chloride group and its derivative trichloroacetyl chloride are used to passivate CsPbI3 C-PSCs for the first time. The results show that the carbonyl group of trichloroacetyl chloride can effectively passivate the uncoordinated Pb2+ ions in perovskite. At the same time, leaving group Cl- ions can increase the grain size of perovskite and improve the crystallization quality of perovskite layer. In addition, the trichloroacetyl chloride tends to generate cesium chloride acetate, which acts as an electron blocking layer, reduces charge recombination, promotes gradient energy level arrangement, and effectively improves the separation and extraction ability of carriers. The PCE of CsPbI3 HTL-free C-PSCs is successfully increased from 13.40% to 14.82%.
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Affiliation(s)
- Xiaonan Huo
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Kexiang Wang
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Weifeng Liu
- Engineering Research Center of High-Performance Polymer and Molding Technology, Ministry of Education, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Weiwei Sun
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Ran Yin
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Yansheng Sun
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Yukun Gao
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Tingting You
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Penggang Yin
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
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Wu K, Yan X, Zhu D, Tao Y, Zeng Y, Li X, Sun W, Qian H, Jiang F, Chen S. Formation and characterization of konjac glucomannan/ethyl cellulose films by using ethanol and water as the solvents. Int J Biol Macromol 2023; 241:124629. [PMID: 37119892 DOI: 10.1016/j.ijbiomac.2023.124629] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 12/15/2022] [Revised: 04/16/2023] [Accepted: 04/24/2023] [Indexed: 05/01/2023]
Abstract
Hydrophilic konjac glucomannan (KGM)/hydrophobic ethyl cellulose (EC) film was prepared in the ethanol/water environment. The film-forming solution and film properties were both characterized to analyze the molecular interaction changes. Although higher ethanol usage enhanced the stability of the film-forming solution, it did not benefit the film property improvement. The SEM images showed some fibrous structure on the air surface of the films, consistent with the XRD results. The changing trend of mechanical properties and the FTIR results suggested that both ethanol content and ethanol evaporation impacted the molecular interaction during the film formation. The surface hydrophobicity results indicated that the ethanol content could cause significant EC aggregation changes on the film surface only with high EC contents. The water vapor permeability results suggested that higher ethanol usage decreased the compactness of the films. Considering all results, the 20 % ethanol content and the weight ratio of KGM: EC = 7:3 were suggested for the film preparation due to the superior properties in most properties. This study contributed to the understanding of polysaccharide interaction in the ethanol/water environment and offered an alternative biodegradable packaging film.
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Affiliation(s)
- Kao Wu
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Xu Yan
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Dandan Zhu
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Yuxuan Tao
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Yang Zeng
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Xin Li
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Weiwei Sun
- Yellow Crane Tower Science and Technology Park (Group) Co., Ltd., Wuhan 430040, Hubei, China
| | - Hong Qian
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Fatang Jiang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, China; Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China; Department of Architecture and Built Environment, Faculty of Engineering, University of Nottingham, NG7 2RD, UK.
| | - Sheng Chen
- Yellow Crane Tower Science and Technology Park (Group) Co., Ltd., Wuhan 430040, Hubei, China.
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Lu J, Dai D, Zhang J, Wang R, Miao D, Sun W. Targeted deletion of Rictor in BMSCs reduces the biological activity of K7M2 cells and mitigates OS-induced bone destruction. Stem Cells 2023:7143361. [PMID: 37099695 DOI: 10.1093/stmcls/sxad033] [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: 12/12/2022] [Indexed: 04/28/2023]
Abstract
Bone marrow mesenchymal stem cells (BMSCs) are indispensable cells constituting the bone marrow microenvironment that are generally recognized as being involved in the development and progression of osteosarcoma (OS). To explore whether mTORC2 signaling inhibition in BMSCs suppressed OS growth and tumor-caused bone destruction, 3-month-old littermates genotyped Rictor flox/flox or Prx1-cre; Rictor flox/flox (with same gender) were injected with K7M2 cells in the proximal tibia. After 40 days, bone destruction was alleviated in Prx1-cre; Rictor flox/flox mice, as observed on X-ray and micro-CT. This was accompanied by decreased serum N-terminal propeptide of procollagen type I (PINP) levels and reduced tumor bone formation in vivo. Interactions between K7M2 and BMSCs were studied in vitro. Rictor-deficient BMSCs, which were cultured in tumor-conditioned medium (TCM), caused reduced bone proliferation and suppressed osteogenic differentiation. Moreover, compared with the control group, K7M2 cells cultured in BCM (culture medium extracted from Rictor-deficient BMSCs) displayed less proliferation, migration, and invasion, and attenuated osteogenic activity. Forty types of cytokines were then analysed by mouse cytokine array and decreased levels CCL2/3/5 and interleukin 16 were detected in Rictor-deficient BMSCs. These results suggested that inhibition of mTORC2 (Rictor) signaling pathway in BMSCs exerted anti-OS effects through two mechanisms: (1) by suppressing the proliferation and osteogenic differentiation of BMSCs induced by OS to alleviate bone destruction; (2) by reducing the secretion of cytokines by BMSCs, which are closely related to OS cell growth, migration, invasion, and tumorigenic osteogenesis.
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Affiliation(s)
- Jinhong Lu
- Department of Anatomy, Nanjing Medical University, Nanjing, China
| | - Dongfang Dai
- Department of Radiotherapy, The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, China
| | - Jiacheng Zhang
- Department of Anatomy, Nanjing Medical University, Nanjing, China
| | - Rong Wang
- Department of Anatomy, Nanjing Medical University, Nanjing, China
| | - Dengshun Miao
- Department of Anatomy, Nanjing Medical University, Nanjing, China
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing, China
| | - Weiwei Sun
- Department of Anatomy, Nanjing Medical University, Nanjing, China
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Sun W, Liu S, Liu Y, Kong L, Jian Z. Information Extraction Network Based on Multi-Granularity Attention and Multi-Scale Self-Learning. Sensors (Basel) 2023; 23:s23094250. [PMID: 37177454 PMCID: PMC10181062 DOI: 10.3390/s23094250] [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: 03/12/2023] [Revised: 04/15/2023] [Accepted: 04/22/2023] [Indexed: 05/15/2023]
Abstract
Transforming the task of information extraction into a machine reading comprehension (MRC) framework has shown promising results. The MRC model takes the context and query as the inputs to the encoder, and the decoder extracts one or more text spans as answers (entities and relationships) from the text. Existing approaches typically use multi-layer encoders, such as Transformers, to generate hidden features of the source sequence. However, increasing the number of encoder layers can lead to the granularity of the representation becoming coarser and the hidden features of different words becoming more similar, potentially leading to the model's misjudgment. To address this issue, a new method called the multi-granularity attention multi-scale self-learning network (MAML-NET) is proposed, which enhances the model's understanding ability by utilizing different granularity representations of the source sequence. Additionally, MAML-NET can independently learn task-related information from both global and local dimensions based on the learned multi-granularity features through the proposed multi-scale self-learning attention mechanism. The experimental results on two information extraction tasks, named entity recognition and entity relationship extraction, demonstrated that the method was superior to the method based on machine reading comprehension and achieved the best performance on the five benchmark tests.
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Affiliation(s)
- Weiwei Sun
- College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
- Xinjiang Multilingual Information Technology Laboratory, College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
| | - Shengquan Liu
- College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
- Xinjiang Multilingual Information Technology Laboratory, College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
| | - Yan Liu
- College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
- Xinjiang Multilingual Information Technology Laboratory, College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
| | - Lingqi Kong
- College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
- Xinjiang Multilingual Information Technology Laboratory, College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
| | - Zhaorui Jian
- College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
- Xinjiang Multilingual Information Technology Laboratory, College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
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48
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Meng J, Wang B, Qi X, Wang P, Liu B, Liu Q, Sun W, Pan B. Function of glycogen synthase kinase3 in embryogenesis of Dermanyssus gallinae. Vet Parasitol 2023; 318:109937. [PMID: 37116347 DOI: 10.1016/j.vetpar.2023.109937] [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: 12/11/2022] [Revised: 04/13/2023] [Accepted: 04/22/2023] [Indexed: 04/30/2023]
Abstract
In the life cycle of Dermanyssus gallinae, the embryo is a developmental stage that does not require blood meals, but needs glucose to produce adenosine triphosphate (ATP) through glycolysis or oxidative phosphorylation, providing energy for embryonic development. Glycogen synthase kinase 3 (GSK3), belonging to the serine/threonine kinase family, is a key enzyme involved in glycogen metabolism in many eukaryotes, but not be described in D. gallinae. The present study was conducted to explore the role of Dg-GSK3 in the embryogenesis of D. gallinae. The results of qPCR showed that Dg-GSK3 mRNA was expressed in different development stages of D. gallinae embryos. RNA interference (RNAi) was performed on the female mites and eggs by immersion, and it was found that lowering GSK3 expression level could significantly decrease the female egg laying rate and egg hatching rate (P < 0.05). Some eggs became shrunken and shriveled in appearance. The fecundity of female D. gallinae obtained from the rDg-GSK3-immunized group of chickens (2.56 ± 0.35 eggs per mite, P < 0.0001) decreased significantly from that of the control group (3.49 ± 0.35). The oviposition rate of rDg-GSK3-immunized group (75.94 ± 7.28 %, P = 0.0003)was significantly lower that of the control group (89.69 ± 2.63 %). In conclusion, Dg-GSK3 is a crucial gene during the embryogenesis of D. gallinae, which can affect both the female fecundity and the egg hatching, which help us understand the function of GSK3 gene in the embryogenesis of mites.
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Affiliation(s)
- Jiali Meng
- College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing 100193, China
| | - Bohan Wang
- College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing 100193, China
| | - Xiaoxiao Qi
- College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing 100193, China
| | - Penglong Wang
- College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing 100193, China
| | - Boxing Liu
- College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing 100193, China
| | - Qi Liu
- College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing 100193, China
| | - Weiwei Sun
- College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing 100193, China.
| | - Baoliang Pan
- College of Veterinary Medicine, China Agricultural University, Hai Dian District, Beijing 100193, China.
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49
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Guo C, Chen S, Aslam J, Li J, Lv LP, Sun W, Cao W, Wang Y. Microwave-Assisted Metal-Organic Frameworks Derived Synthesis of Zn 2GeO 4 Nanowire Bundles for Lithium-Ion Batteries. Nanomaterials (Basel) 2023; 13:1432. [PMID: 37111018 PMCID: PMC10145008 DOI: 10.3390/nano13081432] [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] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 06/19/2023]
Abstract
Germanium-based multi-metallic-oxide materials have advantages of low activation energy, tunable output voltage, and high theoretical capacity. However, they also exhibit unsatisfactory electronic conductivity, sluggish cation kinetics, and severe volume change, resulting in inferior long-cycle stability and rate performance in lithium-ion batteries (LIBs). To solve these problems, we synthesize metal-organic frameworks derived from rice-like Zn2GeO4 nanowire bundles as the anode of LIBs via a microwave-assisted hydrothermal method, minimizing the particle size and enlarging the cation's transmission channels, as well as, enhancing the electronic conductivity of the materials. The obtained Zn2GeO4 anode exhibits superior electrochemical performance. A high initial charge capacity of 730 mAhg-1 is obtained and maintained at 661 mAhg-1 after 500 cycles at 100 mA g-1 with a small capacity degradation ratio of ~0.02% for each cycle. Moreover, Zn2GeO4 exhibits a good rate performance, delivering a high capacity of 503 mA h g-1 at 5000 mA g-1. The good electrochemical performance of the rice-like Zn2GeO4 electrode can be attributed to its unique wire-bundle structure, the buffering effect of the bimetallic reaction at different potentials, good electrical conductivity, and fast kinetic rate.
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Affiliation(s)
- Chaofei Guo
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (C.G.); (S.C.); (J.A.); (L.-P.L.); (W.S.)
| | - Shuangqiang Chen
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (C.G.); (S.C.); (J.A.); (L.-P.L.); (W.S.)
| | - Junaid Aslam
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (C.G.); (S.C.); (J.A.); (L.-P.L.); (W.S.)
| | - Jiayi Li
- Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Road, Shanghai 200444, China;
| | - Li-Ping Lv
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (C.G.); (S.C.); (J.A.); (L.-P.L.); (W.S.)
| | - Weiwei Sun
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (C.G.); (S.C.); (J.A.); (L.-P.L.); (W.S.)
| | - Weimin Cao
- Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Road, Shanghai 200444, China;
| | - Yong Wang
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai 200444, China; (C.G.); (S.C.); (J.A.); (L.-P.L.); (W.S.)
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50
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Jiang Y, Zhang W, Qi Y, Wang Y, Hu T, Li P, Tian C, Sun W, Liu Y. Constructing 3D Skeleton on Commercial Copper Foil via Electrophoretic Deposition of Lithiophilic Building Blocks for Stable Lithium Metal Anodes. Nanomaterials (Basel) 2023; 13:1400. [PMID: 37110984 PMCID: PMC10146236 DOI: 10.3390/nano13081400] [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] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 06/19/2023]
Abstract
Lithium (Li) metal has been regarded as the "Holy Grail" of Li battery anodes thanks to its high theoretic specific capacity and low reduction potential, but uneven formation of Li dendrites and uncontrollable Li volume changes hinder the practical applications of Li metal anodes. A three-dimensional (3D) current collector is one of the promising strategies to address the above issues if it can be compatible with current industrialized process. Here, Au-decorated carbon nanotubes (Au@CNTs) are electrophoretically deposited on commercial Cu foil as a 3D lithiophilic skeleton to regulate Li deposition. The thickness of the as-prepared 3D skeleton can be accurately controlled by adjusting the deposition time. Benefitting from the reduced localized current density and improved Li affinity, the Au@CNTs-deposited Cu foil (Au@CNTs@Cu foil) achieves uniform Li nucleation and dendrite-free Li deposition. Compared with bare Cu foil and CNTs deposited Cu foil (CNTs@Cu foil), the Au@CNTs@Cu foil exhibits enhanced Coulombic efficiency and better cycling stability. In the full-cell configuration, the Au@CNTs@Cu foil with predeposited Li shows superior stability and rate performance. This work provides a facial strategy to directly construct a 3D skeleton on commercial Cu foils with lithiophilic building blocks for stable and practical Li metal anodes.
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Affiliation(s)
- Yun Jiang
- Institute of New Energy Materials and Devices, School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, China
| | - Wenqi Zhang
- Institute for Interdisciplinary Research (IIR), Jianghan University, Wuhan 430056, China
| | - Yuyang Qi
- Institute for Interdisciplinary Research (IIR), Jianghan University, Wuhan 430056, China
| | - Yuan Wang
- Institute for Interdisciplinary Research (IIR), Jianghan University, Wuhan 430056, China
| | - Tianle Hu
- Institute of New Energy Materials and Devices, School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, China
| | - Pengzhang Li
- Institute of New Energy Materials and Devices, School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, China
| | - Chuanjin Tian
- Institute of New Energy Materials and Devices, School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, China
| | - Weiwei Sun
- College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
| | - Yumin Liu
- Institute of New Energy Materials and Devices, School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, China
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