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Lin Y, Shang J, Liu Y, Wang Z, Bai Z, Ou X, Tang Y. Chlorination design for highly stable electrolyte towards high mass loading and long cycle life sodium-based dual-ion battery. Adv Mater 2024:e2402702. [PMID: 38651672 DOI: 10.1002/adma.202402702] [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: 02/22/2024] [Revised: 03/28/2024] [Indexed: 04/25/2024]
Abstract
Sodium-based dual ion batteries (SDIBs) have garnered significant attention as novel energy storage devices offering the advantages of high-voltage and low-cost. Nonetheless, conventional electrolytes exhibit low resistance to oxidation and poor compatibility with electrode materials, resulting in rapid battery failure. In this study, for the first time, we propose a chlorination design of electrolytes for SDIB. Using ethyl methyl carbonate (EMC) as a representative solvent, chlorine-substituted EMC (Cl-EMC) not only demonstrates increased oxidative stability ascribed to the electron-withdrawing characteristics of chlorine atom, electrolyte compatibility with both the cathode and anode have also been greatly improved by forming Cl-containing interface layers. Consequently, a discharge capacity of 104.6 mAh g-1 within voltage range of 3.0-5.0 V is achieved for Na||graphite SDIB that employs a high graphite cathode mass loading of 5.0 mg cm-2, along with almost no capacity decay after 900 cycles. Notably, the Na||graphite SDIB can be revived for additional 900 cycles through the replacement of a fresh Na anode. As the mass loading of graphite cathode increased to 10 mg cm-2, Na||graphite SDIB is still capable of sustaining over 700 times with ≈100% capacity retention. These results mark the best outcome among reported SDIBs. This study corroborates the effectiveness of chlorination design in developing high-voltage electrolytes and attaining enduring cycle stability of Na-based energy storage devices. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Yuwei Lin
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jian Shang
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Low-Dimensional Energy Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Yuhua Liu
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
| | - Zelin Wang
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
| | - Zhengyang Bai
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
| | - Xuewu Ou
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Yongbing Tang
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
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2
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Huang C, Luo L, Mootz M, Shang J, Man P, Su L, Perakis IE, Yao YX, Wu A, Wang J. Extreme terahertz magnon multiplication induced by resonant magnetic pulse pairs. Nat Commun 2024; 15:3214. [PMID: 38615025 PMCID: PMC11016094 DOI: 10.1038/s41467-024-47471-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/26/2024] [Indexed: 04/15/2024] Open
Abstract
Nonlinear interactions of spin-waves and their quanta, magnons, have emerged as prominent candidates for interference-based technology, ranging from quantum transduction to antiferromagnetic spintronics. Yet magnon multiplication in the terahertz (THz) spectral region represents a major challenge. Intense, resonant magnetic fields from THz pulse-pairs with controllable phases and amplitudes enable high order THz magnon multiplication, distinct from non-resonant nonlinearities such as the high harmonic generation by below-band gap electric fields. Here, we demonstrate exceptionally high-order THz nonlinear magnonics. It manifests as 7th-order spin-wave-mixing and 6th harmonic magnon generation in an antiferromagnetic orthoferrite. We use THz two-dimensional coherent spectroscopy to achieve high-sensitivity detection of nonlinear magnon interactions up to six-magnon quanta in strongly-driven many-magnon correlated states. The high-order magnon multiplication, supported by classical and quantum spin simulations, elucidates the significance of four-fold magnetic anisotropy and Dzyaloshinskii-Moriya symmetry breaking. Moreover, our results shed light on the potential quantum fluctuation properties inherent in nonlinear magnons.
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Affiliation(s)
- C Huang
- Ames National Laboratory, Ames, IA, 50011, USA
- Department of Physics and Astronomy, Iowa State University, Ames, IA, 50011, USA
| | - L Luo
- Ames National Laboratory, Ames, IA, 50011, USA
| | - M Mootz
- Ames National Laboratory, Ames, IA, 50011, USA
| | - J Shang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - P Man
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - L Su
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - I E Perakis
- Department of Physics, University of Alabama at Birmingham, Birmingham, AL, 35294-1170, USA
| | - Y X Yao
- Ames National Laboratory, Ames, IA, 50011, USA
| | - A Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - J Wang
- Ames National Laboratory, Ames, IA, 50011, USA.
- Department of Physics and Astronomy, Iowa State University, Ames, IA, 50011, USA.
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Su Y, Shang J, Liu X, Li J, Pan Q, Tang Y. Constructing π-π Superposition Effect of Tetralithium Naphthalenetetracarboxylate with Electron Delocalization for Robust Dual-Ion Batteries. Angew Chem Int Ed Engl 2024:e202403775. [PMID: 38523068 DOI: 10.1002/anie.202403775] [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: 02/22/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 03/26/2024]
Abstract
Organics are gaining significance as electrode materials due to their merits of multi-electron reaction sites, flexible rearrangeable structures and redox reversibility. However, organics encounter finite electronic conductivity and inferior durability especially in organic electrolytes. To circumvent above barriers, we propose a novel design strategy, constructing conductive network structures with extended π-π superposition effect by manipulating intermolecular interaction. Tetralithium 1,4,5,8-naphthalenetetracarboxylate (LNTC) interwoven by carbon nanotubes (CNTs) forms LNTC@CNTs composite firstly for Li-ion storage, where multiple conjugated carboxyls contribute sufficient Li-ion storage sites, the unique network feature enables electrolyte and charge mobility conveniently combining electron delocalization in π-conjugated system, and the enhanced π-π superposition effect between LNTC and CNTs endows laudable structural robustness. Accordingly, LNTC@CNTs maintain an excellent Li-ion storage capacity retention of 96.4 % after 400 cycles. Electrochemical experiments and theoretical simulations elucidate the fast reaction kinetics and reversible Li-ion storage stability owing to the electron delocalization and π-π superposition effect, while conjugated carboxyls are reversibly rearranged into enolates during charging/discharging. Consequently, a dual-ion battery combining this composite anode and expanded graphite cathode exhibits a peak specific capacity of 122 mAh g-1 and long cycling life with a capacity retention of 84.2 % after 900 cycles.
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Affiliation(s)
- Yuanqiang Su
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
| | - Jian Shang
- Low-dimensional Energy Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Xianchun Liu
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
| | - Jia Li
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Qingguang Pan
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yongbing Tang
- Advanced Energy Storage Technology Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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4
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Guo Q, Wang C, Shang J, Yang Y, Xie C, Luo Y, Rong M, Pei Y, Gao Y, Zheng Z. A Freestanding, Dissolution- and Diffusion-Limiting, Flexible Sulfur Electrode Enables High Specific Capacity at High Mass Loading. Adv Mater 2024:e2400041. [PMID: 38469733 DOI: 10.1002/adma.202400041] [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: 01/02/2024] [Revised: 02/26/2024] [Indexed: 03/13/2024]
Abstract
The acquisition of stable and high-areal-capacity S cathodes over 10 mA h cm-2 is a critical and indispensable step to realize the high energy density configuration. However, increasing the areal capacity of S cathodes often deteriorates the specific capacity and stability due to the aggravated dissolution of S and diffusion of solvable polysulfides in the thick electrode. Herein, the design of a freestanding composite cathode that leverages 3D covalent binding sites and chemical adsorption environment to offer dissolution-limiting and diffusion-blocking functions of S species is reported. By employing this architecture, the coin cell exhibits excellent cycling stability and an exceptional specific capacity of 1444.3 mA h g-1 (13 mA h cm-2 ), and the pouch cell configuration manifests a noteworthy areal capacity exceeding 11 mA h cm-2 . This performance is coupled with excellent flexibility, demonstrated through consecutive bending cycle tests, even at a sulfur loading of 9.00 mg cm-2 . This study lays the foundation for the development of flexible Li-S batteries with increased loading capacities and exceptional performance.
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Affiliation(s)
- Qianyi Guo
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Chao Wang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Jian Shang
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Yu Yang
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Chuan Xie
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Yufeng Luo
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Mingming Rong
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Yi Pei
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Yuan Gao
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Zijian Zheng
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
- State Key Laboratory for Ultra-Precision Machining Technology, Research Institute for Smart Energy, Research Institute for Intelligent Wearable Systems, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
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5
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Zeng Z, Shang J, Lin D. Effect of laser remelting power on the microstructure and properties of vanadizing layer on AISI 52100 steel pin shaft. Heliyon 2024; 10:e25452. [PMID: 38333834 PMCID: PMC10850892 DOI: 10.1016/j.heliyon.2024.e25452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/21/2024] [Accepted: 01/26/2024] [Indexed: 02/10/2024] Open
Abstract
The surface of AISI 52100 steel was pre-treated by laser remelting with different powers, and the vanadizing layer were prepared on remelted steel by pack cementation. The microstructure and properties of vanadizing layer were investigated by XRD, microhardness tester, metallographic microscope, scanning electron microscope, energy dispersive spectrometer, friction and wear tester. The critical load Lc was determined by observing the micro-scratch morphology of scratches through micro-scratch experiments, and its wear performance was studied. The results show that the hardness of remelting zone increase with the increase of laser power. When the laser power is 500 W, the microhardness is 424.6 HV0.2. The vanadizing layer formed on the remelting surfaces is uniform and dense. The layers are mainly composed of VCx phase and α-Fe/α'-Fe phase, the VC phase has the preferred orientation of (200) and (111) planes. There is a good metallurgical bonding between the vanadizing layer and the steel, and the thickness is 2.7 μm-12.15 μm, the microhardness is 2050.7 HV0.2-2350.9 HV0.2. When the laser remelting power is 300 W, the vanadizing layer is better in thickness, microhardness and average friction coefficient, the bonding force Lc between the vanadizing layer and the substrate is about 41.59 N, and the main failure mode is the spalling of the vanadizing layer. It can be concluded that laser remelting pre-treatment can greatly improve the hardness and wear resistance.
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Affiliation(s)
- Zhizhong Zeng
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, China
| | - Jian Shang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, China
| | - Dan Lin
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, China
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Zhou T, Zhou H, Wang F, Zhang P, Shang J, Shi L. An injectable carboxymethyl chitosan hydrogel scaffold formed via coordination bond for antibacterial and osteogenesis in osteomyelitis. Carbohydr Polym 2024; 324:121466. [PMID: 37985077 DOI: 10.1016/j.carbpol.2023.121466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 11/22/2023]
Abstract
The intricate, hostile, and diverse nature of osteomyelitis (OM) poses a challenge for complete bacterial eradication and osteogenesis promotion via conventional treatment. Recently, functional hydrogels exhibiting antibacterial and osteogenic properties emerge as a promising avenue for OM wound healing in clinical practice. However, the preparation procedures and associated costs on cytokine and cell therapies for certain functional hydrogels can be complex and prohibitively expensive. In our research, a hybrid hydrogel dressing has been formulated utilizing carboxymethyl chitosan (CMCS) as the base material, and designed with inherent antibacterial, adhesion, proliferation, and differentiation characteristics, showing promise as a candidate for eradicating infection and promoting bone regeneration. The hybrid hydrogel is composed of interconnected networks of Fe3+-induced self-assembled CMCS and the antibacterial drug ciprofloxacin (CIP), resulting in excellent injectability and moldability. Notably, the CMCS/Fe3+/CIP hybrid hydrogel is capable of regulating antibacterial responses and stimulating osteogenesis in infected microenvironments without additional additives. This injectable antibacterial and osteogenic-promoting hydrogel establish a high-potential platform for low-cost, safe and effective treatment of OM by expediting the initial stages of infected bone wound repair.
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Affiliation(s)
- Tianyi Zhou
- The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; Shenzhen University General Hospital, Shenzhen 518055, China
| | - Haiyan Zhou
- The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Fei Wang
- Shenzhen University General Hospital, Shenzhen 518055, China
| | - Peng Zhang
- Department of Pharmacy, The Third Affiliated Hospital (The Affiliated Luohu Hospital) of Shenzhen University, Shenzhen 518001, China.
| | - Jian Shang
- The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; Shenzhen University General Hospital, Shenzhen 518055, China.
| | - Leilei Shi
- Precision Research Center for Refractory Diseases in Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
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Zhao Q, Yu M, Li J, Guo Y, Wang Z, Hu K, Xu F, Liu Y, Li L, Wan D, Zhao Y, Shang J, Zhang J. GLUD1 inhibits hepatocellular carcinoma progression via ROS-mediated p38/JNK MAPK pathway activation and mitochondrial apoptosis. Discov Oncol 2024; 15:8. [PMID: 38216781 PMCID: PMC10786780 DOI: 10.1007/s12672-024-00860-1] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 01/05/2024] [Indexed: 01/14/2024] Open
Abstract
Glutamate dehydrogenase 1 (GLUD1) is an important enzyme in glutamine metabolism. Previously, we found GLUD1 was down-regulated in tumor tissues of hepatocellular carcinoma (HCC) patients by proteomics study. To explore its role in the progression of HCC, the expressional level of GLUD1 was firstly examined and presented as that both the protein and mRNA levels were down-regulated in tumor tissues compared to the normal liver tissues. GLUD1 overexpression significantly inhibited HCC cells proliferation, migration, invasion and tumor growth both in vitro and in vivo, while GLUD1 knocking-down promoted HCC progression. Metabolomics study of GLUD1 overexpressing and control HCC cells showed that 129 differentially expressed metabolites were identified, which mainly included amino acids, bases, and phospholipids. Moreover, metabolites in mitochondrial oxidative phosphorylation system (OXPHOS) were differentially expressed in GLUD1 overexpressing cells. Mechanistic studies showed that GLUD1 overexpression enhanced mitochondrial respiration activity and reactive oxygen species (ROS) production. Excessive ROS lead to mitochondrial apoptosis that was characterized by increased expression levels of p53, Cytochrome C, Bax, Caspase 3 and decreased expression level of Bcl-2. Furthermore, we found that the p38/JNK MAPK pathway was activated in GLUD1 overexpressing cells. N-acetylcysteine (NAC) treatment eliminated cellular ROS and blocked p38/JNK MAPK pathway activation, as well as cell apoptosis induced by GLUD1 overexpression. Taken together, our findings suggest that GLUD1 inhibits HCC progression through regulating cellular metabolism and oxidative stress state, and provide that ROS generation and p38/JNK MAPK pathway activation as promising methods for HCC treatment.
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Affiliation(s)
- Qianwei Zhao
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
| | - Mengdan Yu
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
- School of Basic Medical Sciences, Academy of Medical Science, Zhengzhou University, Zhengzhou, 450052, China
| | - Jinxia Li
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
- School of Basic Medical Sciences, Academy of Medical Science, Zhengzhou University, Zhengzhou, 450052, China
| | - Yaoyu Guo
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
- BGI College, Zhengzhou University, Zhengzhou, 450052, China
| | - Zexuan Wang
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
- BGI College, Zhengzhou University, Zhengzhou, 450052, China
| | - Kefei Hu
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
- BGI College, Zhengzhou University, Zhengzhou, 450052, China
| | - Fang Xu
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
| | - Yixian Liu
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
| | - Lili Li
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
| | - Didi Wan
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
| | - Ying Zhao
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China
| | - Jian Shang
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China.
| | - Jintao Zhang
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450052, China.
- Henan Key Medical Laboratory of Tumor Molecular Biomarkers, Zhengzhou University, Zhengzhou, 450052, China.
- Henan Key Laboratory of Tumor Epidemiology and State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou University, Zhengzhou, 450052, China.
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Shang J, Zhang Y, Pu C, Wan J, Chen L, Wu Z, Liu Y. [Schistosomiasis control in Sichuan Province since the 12th Five - Year Plan period: progress and prospects]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2023; 35:539-544. [PMID: 38413014 DOI: 10.16250/j.32.1374.2023156] [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] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
An ambitious goal has been set for elimination of schistosomiasis in all endemic counties (districts) in Sichuan Province by 2023. To achieve this goal, and to continue to consolidate the control achievements, it is necessary to understand the current endemic status of schistosomiasis, identify the challenges and analyze the experiences and lessons from the schistosomiasis control program, and develop targeted control strategies and interventions in the province. This paper reviews the progress of schistosomiasis control in Sichuan Province since the 12th Five-Year Plan period, analyzes the challenges in the schistosomiasis elimination program, and proposes recommendations for future directions and priorities.
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Affiliation(s)
- J Shang
- Institute of Parasitic Diseases, Sichuan Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - Y Zhang
- Institute of Parasitic Diseases, Sichuan Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - C Pu
- Institute of Parasitic Diseases, Sichuan Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - J Wan
- Institute of Parasitic Diseases, Sichuan Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - L Chen
- Institute of Parasitic Diseases, Sichuan Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - Z Wu
- Institute of Parasitic Diseases, Sichuan Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
| | - Y Liu
- Institute of Parasitic Diseases, Sichuan Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China
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Li M, Gan C, Zhang R, Wang J, Wang Y, Zhu W, Liu L, Shang J, Zhao Q. TRAF5 regulates intestinal mucosal Th1/Th17 cell immune responses via Runx1 in colitis mice. Immunology 2023; 170:495-509. [PMID: 37575027 DOI: 10.1111/imm.13685] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 07/31/2023] [Indexed: 08/15/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic gastrointestinal inflammatory disease associated with CD4+ Th1 and Th17 cell immune responses. Tumour necrosis factor-associated factor 5 (TRAF5) deficiency has been shown to aggravate DSS-induced colitis. However, the potential role of TRAF5 in regulating CD4+ T cell immune responses in the pathogenesis of IBD remains unclear. TRAF5-/- CD4+ CD45RBhigh T cells and WT CD4+ CD45RBhigh T cells were transferred to Rag2-/- mice via intravenous (i.v.) tail injection, respectively, to establish a chronic colitis model. Adeno-associated virus (AAV)-mediated gene knockout technique was used to knock out runt-associated transcription factor 1 (Runx1) expression in vivo. Specific cytokines of Th1 and Th17 cells were detected by quantitative RT-PCR, immunohistochemistry, ELISA, and flow cytometry. In T-cell transfer colitis mice, the Rag2-/- mice reconstituted with TRAF5-/- CD4+ CD45RBhigh T cells showed more severe intestinal inflammation than the WT control group, which was characterised by increased expression of INF-γ, TNF-α, IL-17a. Furthermore, we found that the INF-γ+ CD4+ , IL17a+ CD4+ , and INF-γ+ IL17a+ CD4+ T cells in the intestinal mucosa of Rag2-/- mice reconstituted with TRAF5-/- CD4+ CD45RBhigh T cells were significantly higher than those of the WT control group by flow cytometry. Mechanistically, knockout Runx1 inhibited the differentiation of TRAF5-/- CD4+ T cells into Th1 and Th17 cells in the intestinal mucosa of T-cell transfer colitis mice. TRAF5 regulates Th1 and Th17 cell differentiation and immune response through Runx1 to participate in the pathogenesis of colitis. Thus targeting TRAF5 in CD4+ T cells may be a novel treatment for IBD.
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Affiliation(s)
- Mengting Li
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Caiqin Gan
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Runan Zhang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Jiahui Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Youwei Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Weining Zhu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Lan Liu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Jian Shang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Qiu Zhao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
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Geng Q, Wan Y, Hsueh FC, Shang J, Ye G, Bu F, Herbst M, Wilkens R, Liu B, Li F. Lys417 acts as a molecular switch that regulates the conformation of SARS-CoV-2 spike protein. eLife 2023; 12:e74060. [PMID: 37991488 PMCID: PMC10695562 DOI: 10.7554/elife.74060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 11/21/2023] [Indexed: 11/23/2023] Open
Abstract
SARS-CoV-2 spike protein plays a key role in mediating viral entry and inducing host immune responses. It can adopt either an open or closed conformation based on the position of its receptor-binding domain (RBD). It is yet unclear what causes these conformational changes or how they influence the spike's functions. Here, we show that Lys417 in the RBD plays dual roles in the spike's structure: it stabilizes the closed conformation of the trimeric spike by mediating inter-spike-subunit interactions; it also directly interacts with ACE2 receptor. Hence, a K417V mutation has opposing effects on the spike's function: it opens up the spike for better ACE2 binding while weakening the RBD's direct binding to ACE2. The net outcomes of this mutation are to allow the spike to bind ACE2 with higher probability and mediate viral entry more efficiently, but become more exposed to neutralizing antibodies. Given that residue 417 has been a viral mutational hotspot, SARS-CoV-2 may have been evolving to strike a balance between infection potency and immune evasion, contributing to its pandemic spread.
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Affiliation(s)
- Qibin Geng
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
| | - Yushun Wan
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
| | - Fu-Chun Hsueh
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
| | - Jian Shang
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
| | - Gang Ye
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
| | - Fan Bu
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
| | - Morgan Herbst
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
| | - Rowan Wilkens
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
| | - Bin Liu
- Hormel Institute, University of MinnesotaAustinUnited States
| | - Fang Li
- Department of Pharmacology, University of Minnesota Medical SchoolMinneapolisUnited States
- Center for Coronavirus Research, University of MinnesotaMinneapolisUnited States
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11
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Liu J, Qi J, Yu W, Hu X, Qiao S, Shang J, Liu L, Zhao Z, Tang L, Zhang W. Nonreducing Ambient Atmosphere: Pulsed Electric Current Treatment of Co/Ni Doped Perovskite Oxides to Achieve Exsolution Enhanced Electrochemical Performance. J Phys Chem Lett 2023; 14:9690-9697. [PMID: 37874672 DOI: 10.1021/acs.jpclett.3c02413] [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: 10/26/2023]
Abstract
Exsolution of metal nanoparticles (NPs) on the surface of perovskite oxides is a promising approach for developing advanced catalytic materials through a "bottom-up" design strategy. Under a nonreducing ambient atmosphere utilizing pulsed electric current (PEC) treatment to promote the exsolution of perovskite oxides effectively overcomes the limitations inherent in conventional high-temperature vapor phase reduction (HTVPR) in situ exsolution methods. This paper presents the successful synthesis of (La0.7Sr0.3)0.8Ti0.93Ni0.07O3 (LSTN) perovskite oxide and (La0.7Sr0.3)0.8Ti0.93Co0.07O3 (LSTC) perovskite oxide using the sol-gel method, followed by PEC treatment at 600 V, 3 Hz, and 90 s. Utilizing various characterization techniques to confirm that PEC treatment can promote the exsolution of Co and Ni NPs under a nonreducing ambient atmosphere, the results indicated that the exsolved perovskite oxides exhibited significantly improved electrochemical properties. Furthermore, compared to the LSTN-PEC, LSTC-PEC demonstrates a lower onset potential of 1.504 V, a Tafel slope of 87.16 mV dec-1, lower impedance, higher capacitance, superior catalytic activity, and long-term stability.
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Affiliation(s)
- Juntao Liu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
| | - Jingang Qi
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
| | - Wenwen Yu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
| | - Xin Hu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
| | - Sifan Qiao
- School of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
| | - Jian Shang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
| | - Liang Liu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
| | - Zuofu Zhao
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
| | - Lidan Tang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
| | - Wei Zhang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
- School of Materials Science and Engineering, and Electror Microscopy Center, Jilin University, Changchun, Jilin 130012, China
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Zhu Y, Sun X, Jiang C, Lin Q, Weng D, Chen W, Xu Y, Shang J. Adaptive Radiotherapy Guided by PET/CT in Patients with Locally Advanced Non-Small Cell Lung Cancer: A Phase II Randomized Study. Int J Radiat Oncol Biol Phys 2023; 117:S28. [PMID: 37784466 DOI: 10.1016/j.ijrobp.2023.06.288] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The aim of this study was to determine whether adaptive radiotherapy guided by functional imaging with flourine-18 fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) can improve local tumor control in patients with locally advanced non-small cell lung cancer (LA-NSCLC). MATERIALS/METHODS This was a phase II randomized study comparing the efficacy and safety between PET-guided adaptive radiotherapy and conventional radiotherapy. The primary end point was 2-year local-regional tumor control (LRTC) rate. Secondary end points included local-regional progression-free survival (LR-PFS), progression-free survival (PFS), overall survival (OS), and radiation-related toxicities. RESULTS Between November 2012 and June 2017, 72 patients were 1:1 randomized to adaptive and conventional arms. The 2- and 5-year LRTC rates were 63.2% and 58.0% versus 43.0% and 37.6% (P = 0.035) in the adaptive and conventional arms, respectively. The median LR-PFS (14.3 versus 12.0 months; P = 0.010) and PFS (12.8 versus 8.9 months; P = 0.034) were significantly longer in the adaptive arm than in the conventional arm. The median OS was 36.3 months in the adaptive arm and 28.8 months in the conventional arm (P = 0.266). The esophageal volume of receiving ≥60 Gy (V60) in the adaptive arm was lower than that in the conventional arm (P = 0.011), while the V30 for the heart in the adaptive arm was lower than that in the conventional arm (P = 0.077). Other radiological metrological parameters of tumor, organs at risk, and the incidence of ≥grade 2 radiation-related toxicities were not significantly different between the 2 arms. CONCLUSION Compared with conventional radiotherapy, PET-guided adaptive radiotherapy significantly improved the 2-year LRTC rate, LR-PFS, and PFS without increased risks of radiation-related toxicities in patients with LA-NSCLC.
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Affiliation(s)
- Y Zhu
- Department of Radiation Oncology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - X Sun
- Department of Radiation Oncology, Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, Cancer Hospital of University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - C Jiang
- Department of Radiation Oncology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Q Lin
- Department of Radiation Oncology, Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, Cancer Hospital of University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - D Weng
- Department of Radiation Oncology, Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, Cancer Hospital of University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - W Chen
- Department of Radiation Oncology, Zhejiang Provincial Hospital, Hangzhou, China
| | - Y Xu
- Department of Radiation Oncology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China; Department of Radiation Oncology, Institute of Cancer Research and Basic Medical Sciences of Chinese Academy of Sciences, Cancer Hospital of University of Chinese Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, China
| | - J Shang
- Department of Head and Neck Surgery, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, China
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13
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Cheng J, Huang K, Mou JL, Lao YJ, Feng JH, Hu F, Lin ML, Maimaitiaishan T, Shang J, Lin J. Prognosis value of serum chloride on 1-year mortality in cirrhotic patients receiving transjugular intrahepatic portosystemic shunt. J Formos Med Assoc 2023; 122:911-921. [PMID: 36878767 DOI: 10.1016/j.jfma.2023.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 02/09/2023] [Accepted: 02/21/2023] [Indexed: 03/07/2023] Open
Abstract
BACKGROUND AND PURPOSE Emerging researches have regarded serum chloride as a capable predictor of mortality in liver cirrhosis. We aim to investigate the clinical role of admission chloride in cirrhotic patients with esophagogastric varices receiving transjugular intrahepatic portosystemic shunt (TIPS), which is unclear. METHODS We retrospectively analyzed data of cirrhotic patients with esophagogastric varices undergoing TIPS in Zhongnan Hospital of Wuhan University. Mortality outcome was obtained by following up for 1-year after TIPS. Univariate and multivariate Cox regression were used to identify independent predictors of 1-year mortality post-TIPS. The receiver operating characteristic (ROC) curves were adopted to assess the predictive ability of the predictors. In addition, log-rank test and Kaplan-Meier (KM) analyses were employed to evaluate the prognostic value of predictors in the survival probability. RESULTS A total of 182 patients were included ultimately. Age, fever symptom, platelet-to lymphocyte-ratio (PLR), lymphocyte-to-monocyte ratio (LMR), total bilirubin, serum sodium, chloride, and Child-Pugh score were related to 1-year follow-up mortality. In multivariate Cox regression analysis, serum chloride (HR = 0.823, 95%CI = 0.757-0.894, p < 0.001) and Child-Pugh score (HR = 1.401, 95%CI = 1.151-1.704, p = 0.001) were identified as independent predictors of 1-year mortality. Patients with serum chloride <107.35 mmol/L showed worse survival probability than those with serum chloride ≥107.35 mmol/L no matter with or without ascites (p < 0.05). CONCLUSION Admission hypochloremia and increasing Child-Pugh score are independent predictors of 1-year mortality in cirrhotic patients with esophagogastric varices receiving TIPS.
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Affiliation(s)
- Jie Cheng
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Kai Huang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Juan-Li Mou
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Yao-Jia Lao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Jia-Hui Feng
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Fan Hu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Meng-Lu Lin
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Tangnuer Maimaitiaishan
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Jian Shang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China
| | - Jun Lin
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, 430071, PR China.
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Zhang X, Chen Y, Li Z, Shang J, Yuan Z, Deng W, Luo Y, Han N, Yin P, Yin J. [Analysis of therapeutic mechanism of Liushen Wan against colitis-associated colorectal cancer based on network pharmacology and validation in mice]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:1051-1062. [PMID: 37488787 PMCID: PMC10366510 DOI: 10.12122/j.issn.1673-4254.2023.07.01] [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] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
OBJECTIVE To explore the therapeutic mechanism of Liushen Wan (LSW) against colitis-associated colorectal cancer (CAC) by network pharmacology. METHODS TCMSP, BATMAN-TCM, CNKI, PubMed, Genecards, OMIM, and TTD databases were used to obtain the related targets of LSW and CAC. The common targets of LSW and CAC were obtained using Venny online website. The PPI network was constructed using Cytoscape 3.8.2 to screen the core targets of LSW in the treatment of CAC. GO and KEGG enrichment analysis were conducted using DAVID database. The therapeutic effect of LSW on CAC was evaluated in a C57BL/6J mouse model of AOM/DSS-induced CAC by observing the changes in body weight, disease activity index, colon length, and size and number of the tumor. HE staining and RT-qPCR were used to analyze the effect of LSW on inflammatory mediators. Immunohistochemistry and TUNEL staining were used to evaluate the effect of LSW on the proliferation and apoptosis of AOM/DSS-treated colon tumor cells. Immunohistochemistry and Western blotting were used to detect the effects of LSW on the expression of TLR4 proteins in CAC mice. RESULTS Network pharmacology analysis identified 69 common targets of LSW and CAC, and 33 hub targets were screened in the PPI network. KEGG pathway enrichment analysis suggested that the effect of LSW on CAC was mediated by the Toll-like receptor signaling pathway. In the mouse model of AOM/DSS-induced CAC, LSW significantly inhibited colitis-associated tumorigenesis, reduced tumor number and tumor load (P < 0.05), obviously improved histopathological changes in the colon, downregulated the mRNA levels of proinflammatory cytokines, and inhibited the proliferation (P < 0.01) and promoted apoptosis of colon tumor cells (P < 0.001). LSW also significantly decreased TLR4 protein expression in the colon tissue (P < 0.05). CONCLUSION LSW can inhibit CAC in mice possibly by regulating the expression of TLR4 to reduce intestinal inflammation, inhibit colon tumor cell proliferation and promote their apoptosis.
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Affiliation(s)
- X Zhang
- School of Traditional Chinese Medicine, Shengyang Pharmaceutical University, Benxi 117004, China
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
| | - Y Chen
- School of Traditional Chinese Medicine, Shengyang Pharmaceutical University, Benxi 117004, China
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
| | - Z Li
- Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
| | - J Shang
- Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
| | - Z Yuan
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
| | - W Deng
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
| | - Y Luo
- Clinical Laboratory, Shanghai Changning Maternity and Infant Health Hospital, Shanghai 200000, China
| | - N Han
- School of Traditional Chinese Medicine, Shengyang Pharmaceutical University, Benxi 117004, China
| | - P Yin
- Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
| | - J Yin
- School of Traditional Chinese Medicine, Shengyang Pharmaceutical University, Benxi 117004, China
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15
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Dai J, Zhao X, Peng Z, Li J, Lin Y, Wen X, Xing L, Zhao W, Shang J, Wang Y, Liu J, Wu K. Assembling Surface Molecular Sierpiński Triangle Fractals via K +-Invoked Electrostatic Interaction. J Am Chem Soc 2023. [PMID: 37314227 DOI: 10.1021/jacs.3c03691] [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: 06/15/2023]
Abstract
Molecular Sierpiński triangles (STs), a family of elegant and well-known fractals, can be prepared on surfaces with atomic precision. Up to date, several kinds of intermolecular interactions such as hydrogen bond, halogen bond, coordination, and even covalent bond have been employed to construct molecular STs on metal surfaces. Herein a series of defect-free molecular STs have been fabricated via electrostatic attraction between potassium cations and electronically polarized chlorine atoms in 4,4″-dichloro-1,1':3',1″-terphenyl (DCTP) molecules on Cu(111) and Ag(111). The electrostatic interaction is confirmed both experimentally by scanning tunneling microscopy and theoretically by density functional theory calculations. These findings illustrate that electrostatic interaction can serve as an efficient driving force to construct molecular fractals, which enriches our toolbox for the bottom-up fabrication of complex functional supramolecular nanostructures.
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Affiliation(s)
- Jingxin Dai
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xinwei Zhao
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Zhantao Peng
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Jie Li
- Key Laboratory for the Physics and Chemistry of Nanodevices and Center for Carbon-Based Electronics, Department of Electronics, Peking University, Beijing 100871, China
| | - Yuxuan Lin
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xiaojie Wen
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Lingbo Xing
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Wenhui Zhao
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Jian Shang
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yongfeng Wang
- Key Laboratory for the Physics and Chemistry of Nanodevices and Center for Carbon-Based Electronics, Department of Electronics, Peking University, Beijing 100871, China
| | - Jing Liu
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Kai Wu
- BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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16
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Dou P, Zhang TT, Xu Y, Xue Q, Shang J, Yang XL. [Effects of three medical nutrition therapies for weight loss on metabolic parameters and androgen level in overweight/obese patients with polycystic ovary syndrome]. Zhonghua Yi Xue Za Zhi 2023; 103:1035-1041. [PMID: 37032153 DOI: 10.3760/cma.j.cn112137-20220930-02066] [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] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
Abstract
Objective: To investigate the effects of calorie-restricted diet (CRD), high protein diet (HPD), high protein, and high dietary fiber diet (HPD+HDF) on metabolic parameters and androgen level in overweight/obese patients with polycystic ovary syndrome(PCOS). Methods: Ninety overweight/obese patients with PCOS from Peking University First Hospital from October 2018 to February 2020 were given medical nutrition weight loss therapy for 8 weeks and were randomly divided into CRD group, HPD group, and HPD+HDF group, with 30 patients in each group. Body composition, insulin resistance, and androgen level were detected before and after weight loss, and the efficacy of three weight loss therapies was compared through variance analysis and Kruskal-Wallis H test. Results: Eight patients in CRD group quit because they could not strictly complete the follow-up, therefore at the end of weight loss, 22, 30, and 30 patients in CRD group, HPD group and HPD+HDF group, respectively, were included in the final analysis. The baseline ages of the three groups were (31±2) years, (32±5) years and (31±5) years, respectively (P=0.952). After weight loss, the relevant indicators in HPD group and HPD+HDF group decreased more than those in CRD group. The body weight of CRD group, HPD group and HPD+HDF group decreased by 4.20 (11.92, 1.80), 5.00 (5.10, 3.32) and 6.10 (8.10, 3.07) kg, respectively (P=0.038); BMI of the three groups decreased by 0.80 (1.70, 0.40), 0.90 (1.23, 0.50) and 2.20 (3.30, 1.12) kg/m2, respectively (P=0.002); homeostatic model assessment-insulin resistance(HOMA-IR) index decreased by 0.48(1.93, 0.05), 1.21(2.91, 0.18) and 1.22(1.75, 0.89), respectively (P=0.196); and free androgen index(FAI) decreased by 0.23(0.67, -0.04), 0.41(0.64, 0.30) and 0.44(0.63, 0.24), respectively (P=0.357). Conclusions: The three medical nutrition therapies can effectively reduce the weight of overweight/obese patients with PCOS, and improve insulin resistance and hyperandrogenism. Compared with CRD group, HPD group, and HPD+HDF group have better fat-reducing effect, and can better preserve muscle and basal metabolic rate while losing weight.
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Affiliation(s)
- P Dou
- Department of Clinical Nutrition, Peking University First Hospital, Beijing 100034, China
| | - T T Zhang
- Department of Endocrinology, Peking University First Hospital, Beijing 100034, China
| | - Y Xu
- Reproductive Medical Center of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China
| | - Q Xue
- Reproductive Medical Center of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China
| | - J Shang
- Reproductive Medical Center of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China
| | - X L Yang
- Reproductive Medical Center of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China
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Shang J, Yu W, Wang L, Xie C, Xu H, Wang W, Huang Q, Zheng Z. Metallic Glass-Fiber Fabrics: A New Type of Flexible, Super-Lightweight, and 3D Current Collector for Lithium Batteries. Adv Mater 2023:e2211748. [PMID: 36994791 DOI: 10.1002/adma.202211748] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/28/2023] [Indexed: 05/30/2023]
Abstract
Current collectors are indispensable parts that provide electron transport and mechanical support of electrode materials in a battery. Nowadays, thin metal foils made of Cu and Al are used as current collectors of lithium batteries, but they do not contribute to the storage capacity. Therefore, decreasing the weight of current collectors can directly enhance the energy density of a battery. However, limited by the requirements of mechanical strength, it is difficult to reduce the weight of metal foils any further. Herein, a new type of current collectors made of 3D metallic glass-fiber fabrics (MGFs), which shows advantages of super-lightweight (2.9-3.2 mg cm⁻2 ), outstanding electrochemical stability for cathodes and anodes of lithium-ion and lithium-metal batteries (LMBs), fire resistance, high strength, and flexibility suitable for roll-to-roll electrode fabrication is reported. The gravimetric energy densities of lithium batteries exhibit improvements of 9-18% by only replacing the metal foils with the MGFs. In addition, MGFs are suitable for the fabrication of flexible batteries. A high-energy-density flexible lithium battery with an outstanding figure of merit of flexible battery (fbFOM ) and flexing stability is demonstrated.
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Affiliation(s)
- Jian Shang
- Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Wancheng Yu
- Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Lei Wang
- Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Chuan Xie
- Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Hailong Xu
- Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Wenshuo Wang
- Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Qiyao Huang
- Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Zijian Zheng
- Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
- Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
- Research Institute for Intelligent Wearable Systems, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
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18
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Baggio C, Shang J, Nascimento AM, Cipriani TR, MacNaughton W. A179 MECHANISMS OF ACTION INVOLVED IN THE WOUND HEALING EFFECT OF THE DIETARY FIBRE RHAMNOGALACTURONAN. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991182 DOI: 10.1093/jcag/gwac036.179] [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: 03/09/2023] Open
Abstract
Background Inflammatory bowel diseases (IBD) are chronic and relapsing inflammatory conditions associated with impaired intestinal epithelial barrier. Mucosal healing is the primary goal for IBD treatment since it is a good predictor of clinical remission. We previously showed the direct beneficial effects of rhamnogalacturonan (RGal), a polysaccharide isolated from the plant Acmella oleracea, on intestinal epithelial barrier function with participation of TLR4 and PKC activation. RNAseq data and pathway analysis have indicated the involvement of the canonical nuclear factor kB (NF-kB) signaling pathway. Purpose We hypothesize that RGal increases intestinal epithelial wound healing through FAK-Src/PI3K/NF-kB signaling pathways. Method Caco-2 and T84 cells, and human primary cell monolayers grown from ulcerative colitis patient-derived organoids, were wounded and treated with vehicle (media or 0.5% DMSO in media) or RGal (1000 μg/ml) for 48 h. Wound healing was assessed using either the IncuCyte or ImageXpress Pico live cell imaging systems. Proliferation and apoptosis of cells were evaluated using EdU and TUNEL assays, respectively. Inhibitors were added at the same time (transcription inhibitor Actinomycin D, 5 μg/ml) or 1 h (FAK inhibitor FAK-14, 10 μM, Src inhibitor PP2, 5 μM, PI3K inhibitor LY294002, 20 μM, NF-kB inhibitors Bay 11-7082 and JSH-23, 10 and 20 μM, respectively, or COX-2 inhibitor NS-398, 20 μM) before RGal treatment. Unwounded Caco-2 monolayers treated with RGal (1000 μg/ml) were collected for Western blotting for COX-2 protein. Result(s) In the wound healing assay, RGal (1000 μg/ml) enhanced wound healing by 12.5% at 48 h in Caco-2 cells and by 14.7% at 24 h in T84 cells, compared to control group. RGal (1000 μg/ml) also accelerated the wound closure in colonoid monolayers obtained from ulcerative colitis patient biopsies by 81.3% at 48 h. Neither proliferation nor apoptosis were involved in the RGal effect on wound healing. Treatment of cells with FAK14 (10 μM), PP2 (5 μM), and PI3K (20 μM) significantly prevented the RGal-induced wound healing. Actinomycin D (5 μg/ml), Bay 11-7082 (10 μM) or JSH-23 (20 μM) treatment significantly reversed the effect of RGal on wound healing, showing that the response was transcriptionally dependent and involved NF-kB signaling. Treatment of cells with NS-398 (20 μM) also reversed the effect of RGal on wound healing. COX-2 protein expression was significantly increased at 6 and 12 h after RGal addition to Caco-2 monolayers. Conclusion(s) These data suggest that the plant-based polysaccharide RGal increases intestinal epithelial cell wound healing by increasing cell migration. The RGal effect is dependent on the activation of the FAK-Src/PI3K signaling pathways and subsequently the transcription factor NF-kB and downstream COX-2 protein expression and activity. Our findings show a novel mechanism of action of RGal in wound healing that could help in the resolution of intestinal inflammation and mucosal healing. Please acknowledge all funding agencies by checking the applicable boxes below Other Please indicate your source of funding; NSERC Disclosure of Interest None Declared
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Affiliation(s)
- C Baggio
- University of Calgary, Calgary, Canada
| | - J Shang
- University of Calgary, Calgary, Canada
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Zhang Z, Wang J, Shang J, Xu Y, Wan YJ, Lin Z, Sun R, Hu Y. A Through-Thickness Arrayed Carbon Fibers Elastomer with Horizontal Segregated Magnetic Network for Highly Efficient Thermal Management and Electromagnetic Wave Absorption. Small 2023; 19:e2205716. [PMID: 36437045 DOI: 10.1002/smll.202205716] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/08/2022] [Indexed: 06/16/2023]
Abstract
Multifunctional thermal management materials with highly efficient electromagnetic wave (EMW) absorption performance are urgently required to tackle the heat dissipation and electromagnetic interference issues of high integrated electronics. However, the high thermal conductivity (λ) and outstanding EMW absorption performance are often incompatible with each other in a single material. Herein, a through-thickness arrayed NiCo2 O4 /graphene oxide/carbon fibers (NiCO@CFs) elastomer with integrated functionalities of high thermal conductivity, highly efficient EMW absorption, and excellent compressibility is reported. The NiCO@CFs elastomer realizes a high out-of-plane thermal conductivity of 15.55 W m-1 K-1 , due to the through-thickness vertically aligned CFs framework. Moreover, the unique horizontal segregated magnetic network effectively reduces the electrical contact between the CFs, which significantly enhances impedance matching of NiCO@CFs elastomer. As a result, the vertically arrayed NiCO@CFs elastomer synchronously exhibits ultrabroad effective absorption bandwidth of 8.25 GHz (9.75-18 GHz) at a thickness of 2.4 mm, good impedance matching, and a minimum reflection loss (RLmin ) of -55.15 dB. Given these outstanding findings, the multifunctional arrayed NiCO@CFs elastomer opens an avenue for applications in EMW absorption and thermal management. This strategy of constructing thermal/electrical/mechanical pathways provides a promising way for the high-performance multifunctional materials in electronic devices.
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Affiliation(s)
- Zhen Zhang
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- College of Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jianda Wang
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
| | - Jian Shang
- Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Yadong Xu
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Yan-Jun Wan
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Zhiqiang Lin
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Rong Sun
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Yougen Hu
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
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Wang F, Zou JL, Shang J. Does matching degree matter for proximal femoral intramedullary nail on reoperation rate in intertrochanteric fractures? J Orthop Surg Res 2022; 17:573. [PMID: 36581940 PMCID: PMC9801600 DOI: 10.1186/s13018-022-03476-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
INTRODUCTION Previous articles reported on the tip-apex distance, lag screw placement, fracture pattern, reduction quality, osteoporosis and other factors associated with second surgery. The current study focused on investigating the association of the matching degree between proximal femoral intramedullary nail and femoral medullary cavity on reoperation rate. PATIENTS AND METHODS A retrospective cohort study was conducted. It included patients with intertrochanteric fracture who were treated with proximal femoral anti-rotatory intramedullary nail (PFNA) between January 2016 and April 2021. The gap between the intramedullary nail and the femoral medullary cavity was equal to the difference in diameter between the two. According to the gap size, all patients were divided into three groups, as follows: high-matching group: gap ≤ 2 mm; middle-matching group: 2 < gap < 4 mm; and low-matching group: gap ≥ 4 mm. The mean gap was measured through standard images. The primary observational index was whether the reoperation was needed, and secondary observational indexes included operative time, length of hospital stay. Patient characteristics were recorded, as follows: age, sex, follow-up time, fracture pattern, reduction grade and length of intramedullary nail. RESULTS A total of 203 eligible patients were recorded, including 78 males (38.4%) and 125 females (61.6%). They had a mean age of 77.8 ± 9.9 years old and an average follow-up time of 58.1 ± 24.0 weeks. Twenty-seven patients (13.3%) needed a second operation. Coxa varus combined with screw cutting was the most common reason for reoperation (11 cases). Unstable fracture pattern with poor reduction grade tended to contribute to reoperation, whose odds ratio (OR) was 6.61 (95% confidence interval [CI], 1.98-22.09; P = 0.002). The three groups had 11 cases (13.7%), 12 cases (13.8%) and 4 cases (11.1%) of reoperation, respectively, and logistic regression showed no significant association was noted between matching degree of intramedullary nail and reoperation rate. CONCLUSIONS The matching degree between proximal femoral intramedullary nail and femoral medullary cavity did not seem to be an important factor for reoperation, which offered more options of intramedullary nail size intraoperatively and reduced implants stock from inventory.
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Affiliation(s)
- Fei Wang
- grid.412596.d0000 0004 1797 9737The First Affiliated Hospital of Harbin Medical University, No. 23 Post Office Street, Nangang District, Harbin, Heilongjiang China
| | - Ji-Long Zou
- grid.412596.d0000 0004 1797 9737The First Affiliated Hospital of Harbin Medical University, No. 23 Post Office Street, Nangang District, Harbin, Heilongjiang China
| | - Jian Shang
- grid.263488.30000 0001 0472 9649Shenzhen University General Hospital, Shenzhen University, 1098 Xueyuan Avenue, Xili University Town, Nanshan District, Shenzhen, Guangdong China
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Hu X, Qi J, Qiao S, Yu W, Shang J, Liu L, Zhao Z, Tang L, Zhang W. A novel exsolution technique-twice lasers: rapidly aroused explosive exsolution of nanoparticles to boost electrochemical performance. Nanotechnology 2022; 34:105709. [PMID: 36562514 DOI: 10.1088/1361-6528/aca9d8] [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: 08/11/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
The exsolution of nanoparticles (NPs) on material surfaces exhibits good performance with great potential in the field of catalysis. In this study, a method with twice lasers treatment (TLT) is proposed for the first time to rapidly promote the exsolution of Co NPs to the surface of (La0.7Sr0.3)0.93Ti0.93Co0.07O3(LSTC) by laser rapid heating to enhance the electrochemical performance of the LSTC. The entire process from precursor powder-stable perovskite crystal structure-Co NPs exsolution on the LSTC surface takes only ≈36 s by TLT. The Co NPs exsolution was confirmed by x-ray diffractometer, scanning electron microscopy and high-resolution transmission electron microscopy. After TLT, a large number of Co NPs reached 75 particlesμm-2appeared on the surface of LSTC with the onset potential of 1.38 V, the overpotential of 214 mV, and the Tafel slope of 81.14 mV dec-1, showing good catalytic activity and long-term stability. The novel process of using TLT to rapidly induce exsolution of NPs enables the rapid preparation of nanoparticle-decorated perovskite materials with better electrochemical properties, thus enriching exsolution technology and opening a new avenue for surface science research.
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Affiliation(s)
- Xin Hu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Jingang Qi
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Sifan Qiao
- Electron Microscopy Center, and School of Materials Science and Engineering, Jilin University, Changchun Jilin 130012, People's Republic of China
| | - Wenwen Yu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Jian Shang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Liang Liu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Zuofu Zhao
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Lidan Tang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Wei Zhang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
- Electron Microscopy Center, and School of Materials Science and Engineering, Jilin University, Changchun Jilin 130012, People's Republic of China
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22
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Gu G, Shang J, Lin D. Effect of Ti 3SiC 2 and Ti 3AlC 2 Particles on Microstructure and Wear Resistance of Microarc Oxidation Layers on TC4 Alloy. Materials (Basel) 2022; 15:9078. [PMID: 36556887 PMCID: PMC9788054 DOI: 10.3390/ma15249078] [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: 11/07/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Microarc oxidation (MAO) layers were prepared using 8g/L Na2SiO3 + 6g/L (NaPO3)6 + 4g/L Na2WO4 electrolyte with the addition of 2g/L Ti3SiC2/Ti3AlC2 particles under constant-current mode. The roughness, porosity, composition, surface/cross-sectional morphology, and frictional behavior of the prepared MAO layers were characterized by 3D real-color electron microscopy, scanning electron microscopy, X-ray energy spectrometry, X-ray diffractometry, and with a tribo-tester. The results showed that the addition of Ti3SiC2 and Ti3AlC2 to the electrolyte reduced the porosity of the prepared layers by 9% compared with that of the MAO layer without added particles. The addition of Ti3SiC2/Ti3AlC2 also reduced the friction coefficient and wear rate of the prepared layers by 35% compared with that of the MAO layer without added particles. It was found that the addition of Ti3AlC2 particles to the electrolyte resulted in the lowest porosity and the lowest wear volume.
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Zhang G, Yu Y, Zhang W, Shang J, Chen S, Pang X, Oeltmann JE, Moonan PK, Chen M, Zhang F. Influence of COVID-19 for delaying the diagnosis and treatment of pulmonary tuberculosis-Tianjin, China. Front Public Health 2022; 10:937844. [PMID: 36530737 PMCID: PMC9755169 DOI: 10.3389/fpubh.2022.937844] [Citation(s) in RCA: 2] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 11/07/2022] [Indexed: 12/04/2022] Open
Abstract
Background The COVID-19 pandemic has disrupted the diagnosis, treatment, and care for tuberculosis (TB). Delays in seeking TB care may result in increased community transmission and unfavorable treatment outcomes. We sought to understand the influence of the COVID-19 pandemic on the proportion of patients with TB who delayed seeking the diagnosis and care for TB and explore the reasons for their postponement. Methods We surveyed a representative sample of outpatients treated for pulmonary TB from June to November 2020 using an anonymous standardized questionnaire. Multivariable logistic regression was used to calculate adjusted odds ratios (aOR) and 95% confidence intervals (CIs) of factors associated with the postponement of TB care. We used routinely collected surveillance data to assess trends of TB reports before and after the emergence of COVID-19 (2017-2019 vs. 2020-2022) in Tianjin, China. Results Among 358 participants who were diagnosed with pulmonary TB during the COVID-19 response, 61 (17%) postponed seeking TB diagnosis due to COVID-19, with 39 (64%) citing fear as the primary reason. Female sex (aOR:2.0; 95% CI: 1.1-3.7), previous antituberculosis treatment (aOR:3.2; 95%CI: 1.4-7.6), and TB diagnosis during the first-level response (aOR = 3.2, 1.7-6.2) were associated with the postponement. Among all 518 participants receiving antituberculosis treatment, 57 (11%) had postponed their regular healthcare visits due to COVID-19, 175 (34%) received no treatment supervision, and 32 (6%) experienced treatment interruption. Compared to 2017-2019, reported pulmonary TB declined by 36.8% during the first-level response to COVID-19, 23.5% during the second-level response, 14% during the third-level response in 2020, and 4.3% in 2021. Conclusion The COVID-19 response reduced the number of people who sought and received diagnosis, treatment, and care for TB in Tianjin, China. Integrative programs to ensure access and continuity of TB services should be considered and dual testing for SARS-CoV-2 and M. tuberculosis may facilitate finding cases.
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Affiliation(s)
- Guoqin Zhang
- Tianjin Center for Tuberculosis Control, Tianjin, China
| | - Yanming Yu
- Tianjin Center for Tuberculosis Control, Tianjin, China
| | - Wenqian Zhang
- Tianjin Center for Tuberculosis Control, Tianjin, China
| | - Jian Shang
- Tianjin Center for Tuberculosis Control, Tianjin, China
| | - Shengyu Chen
- Tianjin Center for Tuberculosis Control, Tianjin, China
| | - Xuewen Pang
- Tianjin Center for Tuberculosis Control, Tianjin, China
| | - John E. Oeltmann
- US Centers for Disease Control and Prevention, COVID-19 Response, Atlanta, GA, United States
| | - Patrick K. Moonan
- US Centers for Disease Control and Prevention, COVID-19 Response, Atlanta, GA, United States
| | - Mingting Chen
- Chinese Center for Disease Control and Prevention, Beijing, China,*Correspondence: Mingting Chen
| | - Fan Zhang
- Tianjin Center for Tuberculosis Control, Tianjin, China,Fan Zhang
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Ning HB, Shang J. [Age should not be considered as a shackle of antiviral treatment in patients with chronic hepatitis B virus infection with normal ALT]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:1246-1247. [PMID: 36891705 DOI: 10.3760/cma.j.cn501113-20220321-00128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 03/10/2023]
Affiliation(s)
- H B Ning
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou 450000, China
| | - J Shang
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou 450000, China
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Wu X, Xu P, Shi X, Shang J, Chen X, Guo A, Wang F, Yin Z. Intra-articular injection of clioquinol ameliorates osteoarthritis in a rabbit model. Front Med (Lausanne) 2022; 9:1028575. [DOI: 10.3389/fmed.2022.1028575] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/01/2022] [Indexed: 11/18/2022] Open
Abstract
Osteoarthritis (OA) is characterized by the degeneration of articular cartilage. Decreased autophagy is tightly associated with chondrocyte death, which contributes to the progression of OA. Thus, pharmacological activation of autophagy may be a promising therapeutic approach for OA. Here, we discovered that clioquinol, an antibiotic, significantly induces autophagy in OA chondrocytes from human tissue and rabbit model. Meanwhile, clioquinol can also augment the expression of extracellular matrix (ECM) components and suppress inflammatory mediators to improve OA microenvironment. Intra-articular injection of clioquinol can greatly prevent or slow down the development of this disease in a trauma-induced rabbit model of osteoarthritis. Such protective effect induced by clioquinol was at least in part explained by decreasing chondrocyte apoptosis and increasing autophagy. This study reveals the therapeutic potential of clioquinol in OA treatment.
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Li S, Shang J, Li M, Xu M, Zeng F, Yin H, Tang Y, Han C, Cheng HM. Design and Synthesis of a π-Conjugated N-Heteroaromatic Material for Aqueous Zinc-Organic Batteries with Ultrahigh Rate and Extremely Long Life. Adv Mater 2022:e2207115. [PMID: 36177698 DOI: 10.1002/adma.202207115] [Citation(s) in RCA: 16] [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] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/22/2022] [Indexed: 06/16/2023]
Abstract
Electroactive organic materials with tailored functional groups are of great importance for aqueous Zn-organic batteries due to their green and renewable nature. Herein, a completely new N-heteroaromatic material, hexaazatrinaphthalene-phenazine (HATN-PNZ) is designed and synthesized, by an acid-catalyzed condensation reaction, and its use as an ultrahigh performance cathode for Zn-ion batteries demonstrated. Compared with phenazine monomer, it is revealed that the π-conjugated structure of N-heteroaromatics can effectively increase electron delocalization, thereby improving its electrical conductivity. Furthermore, the enlarged aromatic structure noticeably suppresses its dissolution in aqueous electrolytes, thus enabling high structural stability. As expected, the HATN-PNZ cathode delivers a large reversible capacity of 257 mAh g-1 at 5 A g-1 , ultrahigh rate capability of 144 mAh g-1 at 100 A g-1 , and an extremely long cycle life of 45 000 cycles at 50 A g-1 . Investigation of the charge-storage mechanism demonstrates the synergistic coordination of both Zn2+ and H+ cations with the phenanthroline groups, with Zn2+ first followed by H+ , accompanying the reversible formation of zinc hydroxide sulfate hydrate. This work provides a molecular-engineering strategy for superior organic materials and adds new insights to understand the charge-storage behavior of aqueous Zn-organic batteries.
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Affiliation(s)
- Senlin Li
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Jian Shang
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Meilin Li
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Minwei Xu
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Fanbin Zeng
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Hang Yin
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Yongbing Tang
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Cuiping Han
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Hui-Ming Cheng
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
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Ning HB, Jin HM, Li K, Peng Z, Shang J. [Analysis of hepatic pathological inflammation and fibrosis condition and its influencing factors in 721 patients with chronic hepatitis B with normal ALT]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:746-751. [PMID: 36038345 DOI: 10.3760/cma.j.cn501113-20210624-00298] [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] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To analyze the hepatic pathological inflammation and fibrosis condition in order to explore the relationship with related clinical indicators in patients with chronic hepatitis B patients with normal alanine aminotransferase (ALT). Methods: 721 cases of chronic hepatitis B with normal ALT who were initially diagnosed in the Department of Infectious Diseases of Henan Provincial People's Hospital from August 2016 to December 2019 were retrospectively collected. Liver biopsy was performed in all patients. General data of patients such as gender, age, liver function indexes, blood routine indexes, HBsAg level, HBeAg status, HBV DNA level, spleen thickness and prothrombin time were collected. Univariate and multivariate analysis methods were used to determine the influencing factors of inflammation and fibrosis degree with liver biopsy. A receiver operating characteristic curve (ROC) was used to evaluate the established multi-factor prediction model. Alpha=0.05 was considered as a standard orientation of test. Results: The average age of 721 cases with chronic hepatitis B was 36.1±9.7 years, and the male to female ratio was 1.28/1, with inflammation and fibrosis grade mainly concentrated in G1S1 (349 cases), G1S2 (132 cases), G2S2 (119 cases), and G2S1 (57 cases). Among them, there were 349 (48.4%) cases of G1S1, and 372 (51.6%) cases of G/S≥2. The main manifestations were mild to moderate inflammation and fibrosis, and only 64 (8.88%) cases had severe G/S≥3. HBsAg level (stratified with 4 log10 IU/ml as the boundary) analyzed in 721 cases were correlated with the relevant clinical indicators stratification and liver pathological inflammation and fibrosis, and the difference was statistically significant (inflammation grade, χ2=6.182, P=0.013; Fibrosis grade, χ2=36.534, P=0.001). Univariate analysis of the relevant clinical indicators that may influence the patient's liver pathological G/S ≥2 showed the patient's age, albumin, γ- glutamyltransferase (GGT), platelet, prothrombin time (PT), spleen thickness and HBsAg level were all statistically significant (P<0.05), while multivariate analysis showed that age, GGT, PT, and spleen thickness had statistical differences (P<0.05). The prediction model was established in accordance to multivariate analysis, and the area under the ROC curve was 0.642. Maximization of the sum of sensitivity and specificity as cut-off value of Logit P=0.497, the diagnostic sensitivity, specificity, and Youden's index were 60.6%, 64.5%, and 0.252, respectively. Conclusion: More than half of patients with chronic hepatitis B with normal ALT have significant inflammation and fibrosis and require timely antiviral therapy. Age, GGT, PT and spleen thickness can help comprehensively evaluate the liver inflammation and fibrosis status among patients, but the lack of accurate prediction models suggests that more effective indicators that can help predict the inflammation and fibrosis status of such patients have yet to be discovered. Therefore, liver biopsy should still be actively performed in patients with normal ALT to confirm the diagnosis and timely treatment.
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Affiliation(s)
- H B Ning
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Zhengzhou 450000, China
| | - H M Jin
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Zhengzhou 450000, China
| | - K Li
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Zhengzhou 450000, China
| | - Z Peng
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Zhengzhou 450000, China
| | - J Shang
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Zhengzhou 450000, China
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Shang J, Liu X, Bi Y, Yan L, Tian C, Guan Y. Transmembrane protein 106C accelerates the progression of breast cancer through the activation of PI3K/AKT/mTOR signaling. Mol Cell Toxicol 2022. [DOI: 10.1007/s13273-022-00248-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Yu W, Qi J, Hu X, Qiao S, Shang J, Liu L, Wang B, Tang L, Zhang W, Cheng Y. A-site deficient La 0.52Sr 0.28Ti 0.94Ni 0.06O 3by low-pulsed electric current treatment: achieved exsolution of B-site Ni nanoparticles and significant improvement of electrocatalytic properties. Nanotechnology 2022; 33:285703. [PMID: 35385834 DOI: 10.1088/1361-6528/ac64ac] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 04/06/2022] [Indexed: 06/14/2023]
Abstract
Perovskite materials with exsolved nanoparticles have a wide range of applications in energy conversion systems owing to their unique basal plane active sites and excellent catalytic properties. The introduction of A-site deficiency can help the formation of highly mobile oxygen vacancies and remarkably enhance the reducibility of Ni nanoparticles, thus significantly increasing electronic conductivity and catalytic activity simultaneously. Herein, we adopt pulsed electric current (PEC) treatment, a novel approach instead of the long-time high-temperature reduction technique, and for the first time review that the exsolution of minuscule Ni nanoparticles (8-20 nm) could be facilitated on Ni-doped La0.52Sr0.28Ti0.94Ni0.06O3(LSTN) anodes with A-site deficiency. Encouragingly, finding that low PEC can successfully lead to nanoparticle exsolution and show a significantly improved oxygen evolution reaction performance of LSTN-PEC (LSTN after PEC treatment) possessing A-site deficiency, the onset potential of LSTN-PEC (500 V) (LSTN after PEC treatment with 500 V-4 Hz-90 s) was advanced by 0.173 V, theRctvalue was reduced by 82.38 Ω·cm2, and the overpotential was also reduced by 73 mV.
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Affiliation(s)
- Wenwen Yu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Jingang Qi
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Xin Hu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Sifan Qiao
- Electron Microscopy Center, and School of Materials Science and Engineering, Jilin University, Changchun Jilin 130012, People's Republic of China
| | - Jian Shang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Liang Liu
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Bing Wang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Lidan Tang
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
| | - Wei Zhang
- Electron Microscopy Center, and School of Materials Science and Engineering, Jilin University, Changchun Jilin 130012, People's Republic of China
| | - Yu Cheng
- School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou Liaoning 121001, People's Republic of China
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Zhang N, Shang J, Deng X, Cai L, Long R, Xiong Y, Chai Y. Governing Interlayer Strain in Bismuth Nanocrystals for Efficient Ammonia Electrosynthesis from Nitrate Reduction. ACS Nano 2022; 16:4795-4804. [PMID: 35229598 DOI: 10.1021/acsnano.2c00101] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Electrochemical ammonia (NH3) synthesis from nitrate (NO3-) reduction offers an intriguing approach for both sustainable ammonia synthesis and environmental denitrification, yet it remains hindered by a complicated reaction pathway with various intermediates. Here we present that the interlayer strain compression in bismuth (Bi) nanocrystals can contribute to both activity and selectivity improvement toward NH3 electrosynthesis from NO3- reduction. By virtue of comprehensive spectroscopic studies and theoretical calculations, we untangle that the interlayer lattice compression shortens Bi-Bi bond to broaden the 6p bandwidth for electron delocalization, promoting the chemical affinities of nitrogen intermediates. Such a manipulation facilitates NO3- activation to reduce the energy barrier for activity improvement, and also alleviates *NO2 desorption to suppress nitrite generation. As a result, a strain-compressive Bi electrocatalyst yields a maximal Faradaic efficiency of 90.6% and high generation rate of 46.5 g h-1 gcat-1 with industrially scalable partial current density up to 300 mA cm-2 for NH3 product at the optimized conditions, respectively.
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Affiliation(s)
- Ning Zhang
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong 999077, China
| | - Jian Shang
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong 999077, China
| | | | - Lejuan Cai
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong 999077, China
| | | | | | - Yang Chai
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong 999077, China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518057, China
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Shang J, Liu M, Wang Y, An Y, An L, Li K, Zhao Y, Zhang J, Li M, Zhu J. Value of contrast-enhanced ultrasonography in assessing the activity of idiopathic retroperitoneal fibrosis: a prospective study. Clin Exp Rheumatol 2022; 40:539-543. [PMID: 33886459 DOI: 10.55563/clinexprheumatol/qie29j] [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] [Received: 11/20/2020] [Accepted: 03/08/2021] [Indexed: 11/13/2022]
Abstract
OBJECTIVES We aimed to evaluate changes in the contrast-enhanced ultrasound (CEUS) parameters in patients with idiopathic retroperitoneal fibrosis (RPF) before and after treatment, and to analyse the value of CEUS to assess RPF activity. METHODS We performed a prospective study that included patients with idiopathic RPF who were treated for RPF at our hospital from April 2016 to April 2019. All patients underwent CEUS examination and some of them underwent positron emission tomography/computed tomography (PET/CT) examination simultaneously. CEUS parameters included tube wall and peripheral thickness, arterial wall intensity, and lumen intensity. The changes in CEUS parameters before and after treatment were evaluated, and their correlations with the standardised uptake value (SUVmax), erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP) were analysed. RESULTS Thirty-one active idiopathic RPF patients were enrolled, of whom 11 underwent PET/CT examination before treatment. Tube wall and peripheral thickness (r=0.743, p<0.01) and arterial wall intensity (r=0.702, p<0.05) both correlated significantly with SUVmax. Lumen intensity did not correlate significantly with SUVmax (r=0.544, p=0.084). The correlation coefficients between lesion thickness and ESR levels were 0.508 (p=0.037), between lesion thickness and CRP levels were 0.575 (p=0.016). Arterial wall intensity and lumen intensity were not significantly correlated with ESR or CPR levels. Tube wall and peripheral thickness, arterial wall intensity, decreased significantly after treatment (p=0.001), while the lumen intensity was not significantly changed after treatment. CONCLUSIONS Our findings suggest that CEUS, a radiation-free and repeatable detection method, is effective for assessing idiopathic RPF disease activity.
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Affiliation(s)
- Jian Shang
- Department of Rheumatology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Mengdan Liu
- Department of Rheumatology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Yiwen Wang
- Department of Rheumatology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Yu An
- Department of Ultrasound, The First Medical Center of PLA General Hospital, Beijing, China
| | - Lichun An
- Department of Ultrasound, The First Medical Center of PLA General Hospital, Beijing, China
| | - Kunpeng Li
- Department of Rheumatology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Yurong Zhao
- Department of Rheumatology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Jianglin Zhang
- Department of Rheumatology, The First Medical Center of PLA General Hospital, Beijing, China
| | - Min Li
- Department of Ultrasound, The First Medical Center of PLA General Hospital, Beijing, China.
| | - Jian Zhu
- Department of Rheumatology, The First Medical Center of PLA General Hospital, Beijing, China.
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Baggio CH, Shang J, Nascimento A, Cipriani T, MacNaughton W. A64 THE DIETARY FIBRE RHAMNOGALACTURONAN PROMOTES INTESTINAL EPITHELIAL CELL MIGRATION THROUGH THE NF-κB SIGNALING PATHWAY. J Can Assoc Gastroenterol 2022. [PMCID: PMC8859232 DOI: 10.1093/jcag/gwab049.063] [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] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background Damaged intestinal epithelial barrier is characteristic of inflammatory bowel diseases (IBD) and mucosal healing is the primary goal for IBD treatment. We previously showed the direct beneficial effects of rhamnogalacturonan (RGal), a polysaccharide isolated from the plant Acmella oleracea, on intestinal epithelial barrier function with participation of TLR4 and PKC activation. We also observed that RGal accelerates wound healing in human colonic epithelial Caco-2 cells. RNAseq data and pathway analysis have indicated the involvement of the canonical nuclear factor kB (NF-kB) signaling pathway. Aims We hypothesize that RGal increases intestinal epithelial wound healing through NF-kB signaling pathway. Methods Caco-2 cells monolayers were scratched and treated with vehicle (media or 0.5% DMSO in media) or RGal (1000 mg/ml) for 48 h. Wound healing was assessed using the IncuCyte live cell imaging system. Proliferation and apoptosis of cells were evaluated using EdU and TUNEL assays, respectively. Inhibitors were added at the same time (transcription inhibitor Actinomycin D, 5 mg/ml) or 1 h (NF-kB inhibitors Bay 11–7082 and JSH-23, 10 and 20 mM, respectively, or COX-2 inhibitor NS-398, 20 mM) before RGal treatment. Unwounded Caco-2 monolayers treated with RGal (1000 mg/ml) were collected for Western blotting for COX-2 protein. Results In the wound healing assay, RGal at a concentration of 1000 µg/ml enhanced wound healing by 12.5% at 48 h compared to control group, under 10% serum conditions. Neither proliferation nor apoptosis were involved in the RGal effect on wound healing, suggesting the response was due solely to cell migration. Actinomycin D (5 mg/ml), Bay 11–7082 (10 mM) or JSH-23 (20 mM) treatment significantly reversed the effect of RGal on wound healing, showing that the response was transcriptionally dependent and involved NF-kB signaling. Treatment of cells with NS-398 (20 mM) also reversed the effect of RGal on wound healing. COX-2 protein expression was significantly increased at 6 and 12 h after RGal addition to Caco-2 monolayers. Conclusions These data suggest that the plant-based polysaccharide RGal increases intestinal epithelial cell wound healing by increasing cell migration. The RGal effect is dependent on the activation of the transcription factor NF-kB and downstream COX-2 protein expression and activity. Our findings show a novel mechanism of action of RGal in wound healing that could help in the resolution of intestinal inflammation and mucosal healing. Funding Agencies NSERC
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Affiliation(s)
- C H Baggio
- Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada
| | - J Shang
- Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada
| | - A Nascimento
- Federal University of Acre, Cruzeiro do Sul, Acre, Brazil
| | - T Cipriani
- Universidade Federal do Parana, Curitiba, PR, Brazil
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Zhang TT, Yang XL, Yang SX, Shang J, Xue Q, Zhang X, Zhu YL, Huang YY, Zhang DH, Sun YL, Lang C, Gao XZ, Cai HB, Zhang JQ, Xu Y, Gao Y. [Analysis of clinical features and etiological diagnostic indices of reproductive age women with hyperandrogenism]. Zhonghua Yi Xue Za Zhi 2022; 102:412-417. [PMID: 35144340 DOI: 10.3760/cma.j.cn112137-20210728-01683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the clinical features and the value of different diagnostic indices for etiology in reproductive age women with hyperandrogenism. Methods: The medical records of 96 reproductive age women with hyperandrogenism in the multi-disciplinary team of Peking University First Hospital from January 2020 to April 2021 were collected. The patients were divided into four groups based on final diagnosis: congenital adrenal hyperplasia (CAH) (n=8), polycystic ovary syndrome (PCOS) (n=67), idiopathic hyperandrogenism (n=13) and other specific diseases (n=8), respectively. The indices related to androgens in different groups were compared, and then their efficiency for diagnosis of CAH and PCOS were analyzed with receiver operator characteristic curve (ROC curve). Results: A total of 96 patients with hyperandrogenism were recruited, with the age of 19-45 (29±6) years old. Overall, 4.2% (4/96) of the patients were with single clinical hyperandrogenism, 56.3% (54/96) were with single laboratory hyperandrogenaemia and 39.6% (38/96) were with both. The breakdown into laboratory hyperandrogenaemia subtypes was as follows: only T elevation 22.8% (21/92), only A2 elevation 7.6% (7/92), none DHEAS elevation, only FAI elevation 5.4% (5/92) and elevation of more than one of the androgen indices mentioned above accounted for 64.1% (59/92). In the reasons of consultation, simple irregular menstruation (36.0%, 32/89) or accompanied by clinical hyperandrogenism with or without infertility (36.0%, 32/89) were the most common. As for primary visiting departments, Obstetrics and Gynecology accounted for 53.2% (51/96), and then Endocrinology as 39.5% (38/96). The 17-OHP level of CAH, PCOS and idiopathic hyperandrogenism group was 20.0 (8.2, 33.1), 1.1 (0.8, 1.4), 0.9 (0.8, 1.3) ng/ml, respectively. The androstenedione level in these groups was 6.3 (4.6, 8.7), 3.8 (2.9, 4.8) and 3.2 (2.7, 3.7) ng/ml, respectively. The 17-OHP and androstenedione levels of CAH group were significantly higher than that in PCOS or idiopathic hyperandrogenism group (all P<0.05). The ratio of LH and FSH in these three groups was 0.8(0.5, 1.0), 1.3(0.6, 1.9) and 0.6(0.3, 0.7), respectively. The ratio of LH and FSH was significantly higher in PCOS than that in idiopathic hyperandrogenism group (P=0.024), but yet there was no significant difference compared with CAH group (P>0.05). The AUC of ROC curve of 17-OHP for CAH diagnosis was 0.94, followed by androstenedione 0.83, whereas LH/FSH for PCOS diagnosis was only 0.63. Conclusions: Among the reasons of consultation in reproductive age women who visited our multi-disciplinary team for female hyperandrogenism, simple irregular menstruation or accompanied by clinical hyperandrogenism with or without infertility are the most common. PCOS accounts for the majority of different androgen excess disorders. 17-OHP is the most valuable parameter for the diagnosis of CAH and secondly androstenedione.
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Affiliation(s)
- T T Zhang
- Department of Endocrinology, Peking University First Hospital, Beijing 100034, China
| | - X L Yang
- Reproductive Genetics Center of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China
| | - S X Yang
- Department of Dermatology, Peking University First Hospital, Beijing 100034, China
| | - J Shang
- Reproductive Genetics Center of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China
| | - Q Xue
- Reproductive Genetics Center of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China
| | - X Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - Y L Zhu
- Department of Endocrinology, Peking University First Hospital, Beijing 100034, China
| | - Y Y Huang
- Department of Endocrinology, Peking University First Hospital, Beijing 100034, China
| | - D H Zhang
- Department of Endocrinology, Peking University First Hospital, Beijing 100034, China
| | - Y L Sun
- Department of Endocrinology, Peking University First Hospital, Beijing 100034, China
| | - C Lang
- LIANREN Digital Health, Shanghai 201210, China
| | - X Z Gao
- LIANREN Digital Health, Shanghai 201210, China
| | - H B Cai
- LIANREN Digital Health, Shanghai 201210, China
| | - J Q Zhang
- Department of Endocrinology, Peking University First Hospital, Beijing 100034, China
| | - Y Xu
- Reproductive Genetics Center of Obstetrics and Gynecology, Peking University First Hospital, Beijing 100034, China
| | - Ying Gao
- Department of Endocrinology, Peking University First Hospital, Beijing 100034, China
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Wei J, Hu X, Xia L, Shang J, Han Q, Zhang D. Evaluation of the effect of botulinum toxin A on the physical and mental health of patients with hemifacial spasm. Neurologia 2022. [DOI: 10.1016/j.nrl.2021.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Chang J, Hu H, Shang J, Fang R, Shou D, Xie C, Gao Y, Yang Y, Zhuang QN, Lu X, Zhang YK, Li F, Zheng Z. Rational Design of Li-Wicking Hosts for Ultrafast Fabrication of Flexible and Stable Lithium Metal Anodes. Small 2022; 18:e2105308. [PMID: 34741427 DOI: 10.1002/smll.202105308] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 09/08/2021] [Indexed: 06/13/2023]
Abstract
The ever-increasing development of flexible and wearable electronics has imposed unprecedented demand on flexible batteries of high energy density and excellent mechanical stability. Rechargeable lithium (Li) metal battery shows great advantages in terms of its high theoretical energy density. However, the use of Li metal anode for flexible batteries faces huge challenges in terms of its undesirable dendrite growth, poor mechanical flexibility, and slow fabrication speed. Here, a highly scalable Li-wicking strategy is reported that allows ultrafast fabrication of mechanically flexible and electrochemically stable Li metal anodes. Through the rational design of the interface and structure of the wicking host, the mean speed of Li-wicking reaches 10 m2 min-1 , which is 1000 to 100 000 fold faster than the reported electrochemical deposition or thermal infusion methods and meets the industrial fabrication speed. Importantly, the Li-wicking process results in a unique 3D Li metal structure, which not only offers remarkable flexibility but also suppresses the dendrite formation. Paring the Li metal anode with lithium-iron phosphate or sulfur cathode yields flexible full cells that possess a high charging rate (8.0 mA cm-2 ), high energy density (300-380 Wh kg-1 ), long cycling stability (over 550 cycles), and excellent mechanical robustness (500 bending cycles).
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Affiliation(s)
- Jian Chang
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Hong Hu
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Jian Shang
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Ruopian Fang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
- Current location: School of Chemical Engineering, The University of New South Wales, Sydney, 2052, Australia
| | - Dahua Shou
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Chuan Xie
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Yuan Gao
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Yu Yang
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Qiu Na Zhuang
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Xi Lu
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Yao Kang Zhang
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
| | - Feng Li
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
| | - Zijian Zheng
- Laboratory for Advanced Interfacial Materials and Devices, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
- Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
- Research Institute of Intelligent Wearable Systems, The Hong Kong Polytechnic University, Hong Kong, SAR, P. R. China
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Liu S, Shang J, Lin Y, Wang ZH, Wei TN, Lin L, Yang T, Chen WM. [Analysis of the clinical effects and outcome of patients with double-hit high-risk multiple myeloma]. Zhonghua Zhong Liu Za Zhi 2021; 43:1209-1214. [PMID: 34794226 DOI: 10.3760/cma.j.cn112152-20200109-00016] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To compare the clinical features, clinical efficacy, and prognosis of patients with double-hit and non-double-hit high-risk multiple myeloma (MM) and explored the clinical significance of high-risk cell karyotype in MM development. Methods: The clinical data of 73 high-risk MM patients admitted to the Department of Hematology of Fujian Provincial Hospital from January 2011 to February 2019 were retrospectively analyzed. Interphase fluorescence in situ hybridization was used to detect their karyotypes. Based on mSMART 3.0 risk stratification, we divided the patients into a double-hit group (28 cases) and a non-double-hit group (45 cases). Results: Fifteen patients in the double-hit group and 26 in the non-double-hit group received bortezomib-based chemotherapy. The median progression-free survival (PFS) in the double-hit and the non-double-hit groups was 8.0 months and 22.0 months, and the median overall survival (OS) was 10.0 months and not reached, respectively. Ten patients in the double-hit group and 12 in the non-double-hit group received bortezomib combined with lenalidomide (RVD) chemotherapy. The median PFS in the double-hit group and the non-double-hit group was 12.0 months and 24.0 months, and the median OS was 14.0 months and not reached, correspondingly. Both the PFS and OS of the double-hit group were significantly shorter than those of the non-double-hit group (P<0.05). Univariate analysis results indicated that cytogenetic abnormalities, revised-international staging system (R-ISS), β2 microglobulin, and calcium had significant effects on PFS in high-risk MM patients (P<0.05). The cytogenetic abnormalities, R-ISS, and β2 microglobulin were associated with OS in high-risk MM patients (P=0.001). Multivariate Cox regression analysis showed that the cytogenetic grouping was an independent prognostic factor for OS and PFS in high-risk MM patients. The risk of disease progression was 3.160 times (95% CI: 1.364-7.318) and the risk of death was 2.966 times higher (95%CI: 1.205-7.306) in the double-hit group than those in the non-double-hit group. Calcium was an independent risk factor for PFS in the high-risk MM patients. Notably, the risk of disease progression in patients with calcium levels≥ 2.75 mmol/L was 2.667 times higher than that in patients with calcium<2.75 mmol/L (95% CI: 1.209-5.883). Conclusions: Double-hit patients are a highly specific group with worse high-risk MM prognosis. In such patients, the relapse is more common, the disease progression is faster, and the survival time is shorter than those in the non-double-hit patients.
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Affiliation(s)
- S Liu
- Department of Hematology, Fujian Medical University Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou 350001, China
| | - J Shang
- Department of Hematology, Fujian Medical University Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou 350001, China
| | - Y Lin
- Department of Hematology, Fujian Medical University Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou 350001, China
| | - Z H Wang
- Department of Hematology, Fujian Medical University Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou 350001, China
| | - T N Wei
- Department of Hematology, Fujian Medical University Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou 350001, China
| | - L Lin
- Department of Hematology, Fujian Medical University Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou 350001, China
| | - T Yang
- Department of Hematology, Fujian Medical University Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou 350001, China
| | - W M Chen
- Department of Hematology, Fujian Medical University Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou 350001, China
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Ning HB, Shang J. [ALT threshold individualized assessment for antiviral therapy initiation in chronic hepatitis B]. Zhonghua Gan Zang Bing Za Zhi 2021; 29:1121. [PMID: 34933436 DOI: 10.3760/cma.j.cn501113-20210701-00310] [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] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- H B Ning
- Department of Infectious diseases, Henan Provincal People's Hospital, 450000 Zhengzhou, China
| | - J Shang
- Department of Infectious diseases, Henan Provincal People's Hospital, 450000 Zhengzhou, China
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Yang Y, Wu H, Fan S, Bi Y, Hao M, Shang J. Cancer‑associated fibroblast‑derived LRRC15 promotes the migration and invasion of triple‑negative breast cancer cells via Wnt/β‑catenin signalling pathway regulation. Mol Med Rep 2021; 25:2. [PMID: 34726255 PMCID: PMC8600416 DOI: 10.3892/mmr.2021.12518] [Citation(s) in RCA: 3] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 09/27/2021] [Indexed: 12/31/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is a highly aggressive tumour subtype associated with poor prognosis. The function of leucine-rich repeat-containing protein 15 (LRRC15), a member of the leucine-rich repeat superfamily, in TNBC has not yet been elucidated. The aim of this study was to identify the combined role of LRRC15 and Wnt/β-catenin signalling pathway in the development of TNBC. The expression of LRRC15 in TNBC tissues was analysed using data from The Cancer Genome Atlas. Cell migration and invasion assays were conducted to study the function of LRRC15 in TNBC. The expression of Wnt/β-catenin signalling proteins was analysed via western blotting. The effect of LRRC15 on β-catenin nuclear localisation was measured by performing western blotting and luciferase assays. It was found that high LRRC15 expression was associated with poor prognosis in patients with TNBC. High expression of LRRC15 in cancer-associated fibroblasts (CAFs) promoted cell migration and invasion in TNBC cells. In addition, TNBC cells with LRRC15 overexpression in CAFs showed an aberrant increase in β-catenin activity concomitant with nuclear localisation of β-catenin, which inhibited its degradation. These results showed that LRRC15 promoted tumour migration and invasion in TNBC cells by regulating the Wnt/β-catenin signalling pathway.
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Affiliation(s)
- Yang Yang
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong 257091, P.R. China
| | - Haiying Wu
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong 257091, P.R. China
| | - Shaoxia Fan
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong 257091, P.R. China
| | - Yanqing Bi
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong 257091, P.R. China
| | - Min Hao
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong 257091, P.R. China
| | - Jian Shang
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong 257091, P.R. China
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Liu J, Xu L, Shang J, Hu X, Yu H, Wu H, Lv W, Zhao Y. Genome-wide analysis of the maize superoxide dismutase (SOD) gene family reveals important roles in drought and salt responses. Genet Mol Biol 2021; 44:e20210035. [PMID: 34606562 PMCID: PMC8493800 DOI: 10.1590/1678-4685-gmb-2021-0035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 07/02/2021] [Indexed: 11/22/2022] Open
Abstract
Superoxide dismutase proteins (SODs) are antioxidant enzymes with important roles in abiotic stress responses. The SOD gene family has been systematically analyzed in many plants; however, it is still poorly understood in maize. Here, a bioinformatics analysis of maize SOD gene family was conducted by describing gene structure, conserved motifs, phylogenetic relationships, gene duplications, promoter cis-elements and GO annotations. In total, 13 SOD genes were identified in maize and five members were involved in segmental duplication. Phylogenetic analysis indicated that SODs from maize and other plants comprised two groups, which could be further classified into different subgroups, with most members in the same subgroup having the same subcellular localization. The ZmSOD promoters contained 2-10 stress-responsive cis-elements with different distributions. Heatmap analysis indicated that ZmSODs were expressed in most of the detected tissues and organs. The expression patterns of ZmSODs were investigated under drought and salt treatments by qRT-PCR, and most members were responsive to drought or salt stress, especially some ZmSODs with significant expression changes were identified, such as ZmCSD2 and ZmMSD2, suggesting the important roles of ZmSODs in abiotic stress responses. Our results provide an important basis for further functional study of ZmSODs in future study.
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Affiliation(s)
- Jing Liu
- Anhui Agricultural University, School of Life Sciences, National Engineering Laboratory of Crop Stress Resistance Breeding, Hefei, China.,Anhui Agricultural University, Maize Engineering Technology Research Center of Anhui Province, School of Life Sciences, Hefei, China
| | - Lijuan Xu
- Anhui Agricultural University, School of Life Sciences, National Engineering Laboratory of Crop Stress Resistance Breeding, Hefei, China.,Anhui Agricultural University, Maize Engineering Technology Research Center of Anhui Province, School of Life Sciences, Hefei, China
| | - Jian Shang
- Anhui Agricultural University, School of Life Sciences, National Engineering Laboratory of Crop Stress Resistance Breeding, Hefei, China.,Anhui Agricultural University, Maize Engineering Technology Research Center of Anhui Province, School of Life Sciences, Hefei, China
| | - Xiaolin Hu
- Anhui Agricultural University, School of Life Sciences, National Engineering Laboratory of Crop Stress Resistance Breeding, Hefei, China.,Anhui Agricultural University, Maize Engineering Technology Research Center of Anhui Province, School of Life Sciences, Hefei, China
| | - Haitao Yu
- Anhui Agricultural University, School of Life Sciences, National Engineering Laboratory of Crop Stress Resistance Breeding, Hefei, China.,Anhui Agricultural University, Maize Engineering Technology Research Center of Anhui Province, School of Life Sciences, Hefei, China
| | - Hongying Wu
- Anhui Agricultural University, School of Life Sciences, National Engineering Laboratory of Crop Stress Resistance Breeding, Hefei, China.,Anhui Agricultural University, Maize Engineering Technology Research Center of Anhui Province, School of Life Sciences, Hefei, China
| | - Wenben Lv
- Anhui Agricultural University, School of Life Sciences, National Engineering Laboratory of Crop Stress Resistance Breeding, Hefei, China
| | - Yang Zhao
- Anhui Agricultural University, School of Life Sciences, National Engineering Laboratory of Crop Stress Resistance Breeding, Hefei, China.,Anhui Agricultural University, Maize Engineering Technology Research Center of Anhui Province, School of Life Sciences, Hefei, China
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Wan Y, Huang L, Zhang X, Shang J, Perlman S, Du L, Li F. Molecular switches regulating the potency and immune evasiveness of SARS-CoV-2 spike protein. Res Sq 2021:rs.3.rs-736159. [PMID: 34611654 PMCID: PMC8491847 DOI: 10.21203/rs.3.rs-736159/v2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
SARS-CoV-2 spike protein plays a key role in viral entry and host immune responses. The conformation of the spike protein can be either open or closed, yet it is unclear how the conformations affect the protein's functions or what regulate the conformational changes. Using SARS-CoV-1 and bat RaTG13-CoV as comparisons, we identified two molecular switches that regulate the conformations of SARS-CoV-2 spike protein: (i) a furin motif loop turns SARS-CoV-2 spike from a closed conformation to a mixture of open and closed conformations, and (ii) a K417V mutation turns SARS-CoV-2 spike from mixed conformations to an open conformation. We showed that the open conformation favors viral potency by exposing the RBD for receptor binding and viral entry, whereas the closed conformation supports viral immune evasion by hiding the RBD from neutralizing antibodies. Hence SARS-CoV-2 spike has evolved to reach a balance between potency and immune evasiveness, which may contribute to the pandemic spread of SARS-CoV-2. The dynamics between viral potency and invasiveness is likely to further evolve, providing insights into future evolution of SARS-CoV-2.
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Affiliation(s)
- Yushun Wan
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, MN, USA
- Center for Coronavirus Research, University of Minnesota, Saint Paul, MN, USA
| | - Linfen Huang
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, MN, USA
- Center for Coronavirus Research, University of Minnesota, Saint Paul, MN, USA
| | - Xiujuan Zhang
- Laboratory of Viral Immunology, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY, USA
| | - Jian Shang
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, MN, USA
- Center for Coronavirus Research, University of Minnesota, Saint Paul, MN, USA
| | - Stanley Perlman
- Department of Microbiology and Immunology, University of Iowa, Iowa City, IA, USA
| | - Lanying Du
- Laboratory of Viral Immunology, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY, USA
| | - Fang Li
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, MN, USA
- Center for Coronavirus Research, University of Minnesota, Saint Paul, MN, USA
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Wang L, Shang J, Huang Q, Hu H, Zhang Y, Xie C, Luo Y, Gao Y, Wang H, Zheng Z. Smoothing the Sodium-Metal Anode with a Self-Regulating Alloy Interface for High-Energy and Sustainable Sodium-Metal Batteries. Adv Mater 2021; 33:e2102802. [PMID: 34432922 DOI: 10.1002/adma.202102802] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 07/08/2021] [Indexed: 06/13/2023]
Abstract
Because of the large abundance of sodium (Na) as a source material and the easy fabrication of Na-containing compounds, the sodium (Na) battery is a more environmentally friendly and sustainable technology than the lithium-ion battery (LIB). Na-metal batteries (SMBs) are considered promising to realize a high energy density to overtake the cost effectiveness of LIBs, which is critically important in large-scale applications such as grid energy storage. However, the cycling stability of the Na-metal anode faces significant challenges particularly under high cycling capacities, due to the complex failure models caused by the formation of Na dendrites. Here, a universal surface strategy, based on a self-regulating alloy interface of the current collector, to inhibit the formation of Na dendrites is reported. High-capacity (10 mAh cm-2 ) Na-metal anodes can achieve stable cycling for over 1000 h with a low overpotential of 35 mV. When paired with a high-capacity Na3 V2 (PO4 )2 F3 cathode (7 mAh cm-2 ), the SMB delivers an unprecedented energy density (calculated based on all the cell components) over 200 Wh kg-1 with flooded electrolyte, or over 230 Wh kg-1 with lean electrolyte. The dendrite-free SMB also shows high cycling stability with a capacity retention per cycle over 99.9% and an ultrahigh energy efficiency of 95.8%.
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Affiliation(s)
- Lei Wang
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Jian Shang
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Qiyao Huang
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Hong Hu
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Yuqi Zhang
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Chuan Xie
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Yufeng Luo
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Yuan Gao
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Huixin Wang
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Zijian Zheng
- Laboratory for Advanced Interfacial Materials and Devices, Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong, SAR, China
- Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hong Kong, SAR, China
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Wang Q, Cheng J, Shang J, Wang Y, Wan J, Yan YQ, Liu WB, Zhang HP, Wang JP, Wang XY, Li ZA, Lin J. Clinical value of laboratory indicators for predicting disease progression and death in patients with COVID-19: a retrospective cohort study. BMJ Open 2021; 11:e043790. [PMID: 34598979 PMCID: PMC8488281 DOI: 10.1136/bmjopen-2020-043790] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVES As early prediction of severe illness and death for patients with coronavirus disease 2019 (COVID-19) is important, we aim to explore the clinical value of laboratory indicators in evaluating the progression and prognosis of patients with COVID-19. DESIGN Retrospective cohort study. SETTING Hospital-based study in China. PARTICIPANTS Adult patients with COVID-19 from December 15, 2019 to March 15, 2020. END POINT Disease severity and mortality. METHODS Clinical data of 638 patients with COVID-19 were collected and compared between severe and non-severe groups. The predictive ability of laboratory indicators in disease progression and prognosis of COVID-19 was analysed using the receiver operating characteristic curve. The survival differences of COVID-19 patients with different levels of laboratory indicators were analysed utilising Kaplan-Meier analysis. RESULTS 29.8% (190/638) of patients with COVID-19 progressed to severe. Compared with patients with no adverse events, C reactive protein (CRP), neutrophil-to-lymphocyte ratio (NLR) and D-dimer were significantly higher in severe patients with adverse events, such as acute myocardial injury, respiratory failure, acute kidney injury, mechanical ventilation, intensive care unit admission, multiple organ dysfunction syndromes and death (all p<0.05). The multivariate logistic analysis suggested that CRP, NLR and D-dimer were independent risk factors for the disease progression of COVID-19 (all p<0.05). The model combining all of them owned the highest area under the receiver operating characteristic curve (AUC) predicting disease progression and death of COVID-19, with AUC of 0.894 (95% CI 0.857 to 0.931) and 0.918 (95% CI 0.873 to 0.962), respectively. Survival analysis suggested that the patients with a high level of CRP, NLR or D-dimer performed shorter overall survival time (all p<0.05). CONCLUSIONS The combination of CRP, NLR and D-dimer could be an effective predictor for the aggravation and death in patients with COVID-19. The abnormal expression of these indicators might suggest a strong inflammatory response and multiple adverse events in patients with severe COVID-19.
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Affiliation(s)
- Qian Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jie Cheng
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jian Shang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Ying Wang
- Department of Teaching Office, Second Clinical Medical College of Wuhan University, Wuhan, Hubei, China
| | - Jing Wan
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - You-Qin Yan
- Department of Infectious Diseases and Hepatology, Wuhan No.7 hospital, Wuhan, Hubei, China
| | - Wen-Bin Liu
- Department of Surgery, Wuhan No.7 hospital, Wuhan, Hubei, China
| | - Hai-Ping Zhang
- Department of Gastroenterology, Zhongshan Hospital of Hubei Province, Wuhan, Hubei, China
| | - Jian-Ping Wang
- Department of Gastroenterology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiao-Yue Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zi-Ang Li
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jun Lin
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
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Geng Q, Tai W, Baxter VK, Shi J, Wan Y, Zhang X, Montgomery SA, Taft-Benz SA, Anderson EJ, Knight AC, Dinnon KH, Leist SR, Baric RS, Shang J, Hong SW, Drelich A, Tseng CTK, Jenkins M, Heise M, Du L, Li F. Novel virus-like nanoparticle vaccine effectively protects animal model from SARS-CoV-2 infection. PLoS Pathog 2021; 17:e1009897. [PMID: 34492082 PMCID: PMC8448314 DOI: 10.1371/journal.ppat.1009897] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 09/17/2021] [Accepted: 08/16/2021] [Indexed: 11/18/2022] Open
Abstract
The key to battling the COVID-19 pandemic and its potential aftermath is to develop a variety of vaccines that are efficacious and safe, elicit lasting immunity, and cover a range of SARS-CoV-2 variants. Recombinant viral receptor-binding domains (RBDs) are safe vaccine candidates but often have limited efficacy due to the lack of virus-like immunogen display pattern. Here we have developed a novel virus-like nanoparticle (VLP) vaccine that displays 120 copies of SARS-CoV-2 RBD on its surface. This VLP-RBD vaccine mimics virus-based vaccines in immunogen display, which boosts its efficacy, while maintaining the safety of protein-based subunit vaccines. Compared to the RBD vaccine, the VLP-RBD vaccine induced five times more neutralizing antibodies in mice that efficiently blocked SARS-CoV-2 from attaching to its host receptor and potently neutralized the cell entry of variant SARS-CoV-2 strains, SARS-CoV-1, and SARS-CoV-1-related bat coronavirus. These neutralizing immune responses induced by the VLP-RBD vaccine did not wane during the two-month study period. Furthermore, the VLP-RBD vaccine effectively protected mice from SARS-CoV-2 challenge, dramatically reducing the development of clinical signs and pathological changes in immunized mice. The VLP-RBD vaccine provides one potentially effective solution to controlling the spread of SARS-CoV-2.
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Affiliation(s)
- Qibin Geng
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, Minnesota, United States of America
- Center for Coronavirus Research, University of Minnesota, Saint Paul, Minnesota, United States of America
| | - Wanbo Tai
- Laboratory of Viral Immunology, Lindsley F. Kimball Research Institute, New York Blood Center, New York, New York, United States of America
| | - Victoria K. Baxter
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America
- Division of Comparative Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Juan Shi
- Laboratory of Viral Immunology, Lindsley F. Kimball Research Institute, New York Blood Center, New York, New York, United States of America
| | - Yushun Wan
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, Minnesota, United States of America
- Center for Coronavirus Research, University of Minnesota, Saint Paul, Minnesota, United States of America
| | - Xiujuan Zhang
- Laboratory of Viral Immunology, Lindsley F. Kimball Research Institute, New York Blood Center, New York, New York, United States of America
| | - Stephanie A. Montgomery
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Sharon A. Taft-Benz
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Elizabeth J. Anderson
- Division of Comparative Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Audrey C. Knight
- Division of Comparative Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Kenneth H. Dinnon
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Sarah R. Leist
- Rapidly Emerging Antiviral Drug Development Initiative, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Ralph S. Baric
- Division of Comparative Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina, United States of America
- Rapidly Emerging Antiviral Drug Development Initiative, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Jian Shang
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, Minnesota, United States of America
- Center for Coronavirus Research, University of Minnesota, Saint Paul, Minnesota, United States of America
| | - Sung-Wook Hong
- Center for Immunology, Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, United States of America
| | - Aleksandra Drelich
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Chien-Te K. Tseng
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Marc Jenkins
- Center for Immunology, Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, United States of America
| | - Mark Heise
- Division of Comparative Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America
- Rapidly Emerging Antiviral Drug Development Initiative, University of North Carolina, Chapel Hill, North Carolina, United States of America
- Department of Genetics, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Lanying Du
- Laboratory of Viral Immunology, Lindsley F. Kimball Research Institute, New York Blood Center, New York, New York, United States of America
| | - Fang Li
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, Minnesota, United States of America
- Center for Coronavirus Research, University of Minnesota, Saint Paul, Minnesota, United States of America
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Wang X, Bi Y, Liu X, Liu L, Hao M, Tian M, Shang J. High Expression of WWP1 Associates with Tumor Progression in Papillary Thyroid Cancer. Cancer Biother Radiopharm 2021; 37:313-323. [PMID: 34388030 DOI: 10.1089/cbr.2020.4148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Background: WWP1 (WW domain-containing E3 ubiquitin protein ligase 1) is increased in several kinds of carcinomas, but the influence of WWP1 in papillary thyroid cancer (PTC) is not well understood. Materials and Methods: The expression of WWP1 in PTC tissues and cells is detected by real-time reverse transcription PCR. The biological role of WWP1 on PTC cell growth, apoptosis, migration, and invasion ability was assessed with the Cell Counting Kit-8, colony forming, flow cytometry, wound healing, and transwell assays, respectively. Results: The expression of WWP1 mRNA and protein is increased in PTC tissue samples and cells. There is closely correlation between the up expression of WWP1 and clinical parameters, such as tumor size, TNM, and distant metastasis. Knockdown of WWP1 blocks cell proliferation, migration, and invasion, causes cell cycle arrest, and induces apoptosis in PTC cells. Knockdown of WWP1 increases PTEN level and reduces p-PI3K and p-Akt level in PTC cells. Conclusions: Knockdown of WWP1 suppressed cell proliferation, migration, and invasion of PTC cell by downregulating the expression of p-PI3K and p-Akt, contributing to their understanding the pathogenesis of PTC.
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Affiliation(s)
- Xiaofeng Wang
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, P.R. China
| | - Yanqing Bi
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, P.R. China
| | - Xiaofang Liu
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, P.R. China
| | - Lili Liu
- Department of Pathology, Dongying People's Hospital, Dongying, P.R. China
| | - Min Hao
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, P.R. China
| | - Mengzi Tian
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, P.R. China
| | - Jian Shang
- Department of Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, P.R. China
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Xi SS, Shan XM, Wang N, Zeng C, Li X, Xue Q, Xu Y, Shang J, Yang XL. [The clinical effects of oral contraceptive pretreatment on the outcome of gonadotropin releasing hormone antagonist protocol in non-polycystic ovary syndrome patients]. Zhonghua Yi Xue Za Zhi 2021; 101:2228-2232. [PMID: 34333936 DOI: 10.3760/cma.j.cn112137-20201101-02985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the clinical effect of oral contraceptive (OC) pretreatment on the outcome of gonadotropin releasing hormone antagonist (GnRH-a) protocol in patients with non-polycystic ovary syndrome. Methods: From January 2017 to May 2019, a total of 436 patients undergoing in vitro fertilization and embryo transfer/Intracytoplasmic sperm injection (IVF-ET/ICSI) treatment in Peking University First Hospital reproductive center clinic were included in this retrospective cohort study. A total of 144 patients (147 cycles) used OC pretreatment prior to GnRH-a protocol and 292 patients (306 cycles) used GnRH-a protocol without OC pretreatment. The drug usage as well as pregnant outcomes between groups were examined. The primary outcome was the cumulative clinical pregnancy rate of oocyte retrieval cycle and the secondary outcome included the number of oocytes, MⅡ oocytes, embryos and clinical pregnancy rate of fresh embryo transfer cycle. Results: The median ages (and Q1, Q3) of OC pretreatment group and non-OC group were 33 (30,36) and 34 (30,38) years old, respectively. The number of MⅡ oocytes was higher in OC pretreatment group (7/9) than in non-OC group (6/8) (P=0.002). The significant difference were not found in the cumulative clinical pregnancy rate of each oocyte retrieval cycle (61.7% vs 54.6%), the clinical pregnancy rate of fresh embryo transfer cycle (34.4% vs 35.6%), and the number of oocytes (9 vs 8) and embryos (6 vs 6) between groups. Conclusion: Our findings suggest that compared to non-OC pretreatment group, pretreatment with OC is associated with more MⅡ oocytes, and with an increasing trend of the cumulative clinical pregnancy rate in non-polycystic ovary syndrome patients undergoing fresh IVF-ET/ICSI.
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Affiliation(s)
- S S Xi
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
| | - X M Shan
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
| | - N Wang
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
| | - C Zeng
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
| | - X Li
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
| | - Q Xue
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
| | - Y Xu
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
| | - J Shang
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
| | - X L Yang
- Reproductive Medical Center of Obstetrics and Gynecology,Peking University First Hospital, Beijing 100034, China
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Ye G, Gallant J, Zheng J, Massey C, Shi K, Tai W, Odle A, Vickers M, Shang J, Wan Y, Du L, Aihara H, Perlman S, LeBeau A, Li F. The development of Nanosota- 1 as anti-SARS-CoV-2 nanobody drug candidates. eLife 2021; 10:64815. [PMID: 34338634 PMCID: PMC8354634 DOI: 10.7554/elife.64815] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 07/28/2021] [Indexed: 12/29/2022] Open
Abstract
Combating the COVID-19 pandemic requires potent and low-cost therapeutics. We identified a series of single-domain antibodies (i.e., nanobody), Nanosota-1, from a camelid nanobody phage display library. Structural data showed that Nanosota-1 bound to the oft-hidden receptor-binding domain (RBD) of SARS-CoV-2 spike protein, blocking viral receptor angiotensin-converting enzyme 2 (ACE2). The lead drug candidate possessing an Fc tag (Nanosota-1C-Fc) bound to SARS-CoV-2 RBD ~3000 times more tightly than ACE2 did and inhibited SARS-CoV-2 pseudovirus ~160 times more efficiently than ACE2 did. Administered at a single dose, Nanosota-1C-Fc demonstrated preventive and therapeutic efficacy against live SARS-CoV-2 infection in both hamster and mouse models. Unlike conventional antibodies, Nanosota-1C-Fc was produced at high yields in bacteria and had exceptional thermostability. Pharmacokinetic analysis of Nanosota-1C-Fc documented an excellent in vivo stability and a high tissue bioavailability. As effective and inexpensive drug candidates, Nanosota-1 may contribute to the battle against COVID-19.
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Affiliation(s)
- Gang Ye
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, United States.,Center for Coronavirus Research, University of Minnesota, Saint Paul, United States
| | - Joseph Gallant
- Department of Pharmacology, University of Minnesota, Minneapolis, United States
| | - Jian Zheng
- Department of Microbiology and Immunology, University of Iowa, Iowa City, United States
| | - Christopher Massey
- Institutional Office of Regulated Nonclinical Studies, University of Texas Medical Branch, Galveston, United States
| | - Ke Shi
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, United States
| | - Wanbo Tai
- Laboratory of Viral Immunology, Lindsley F. Kimball Research Institute, New York Blood Center, New York, United States
| | - Abby Odle
- Department of Microbiology and Immunology, University of Iowa, Iowa City, United States
| | - Molly Vickers
- Department of Microbiology and Immunology, University of Iowa, Iowa City, United States
| | - Jian Shang
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, United States.,Center for Coronavirus Research, University of Minnesota, Saint Paul, United States
| | - Yushun Wan
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, United States.,Center for Coronavirus Research, University of Minnesota, Saint Paul, United States
| | - Lanying Du
- Laboratory of Viral Immunology, Lindsley F. Kimball Research Institute, New York Blood Center, New York, United States
| | - Hideki Aihara
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, United States
| | - Stanley Perlman
- Department of Microbiology and Immunology, University of Iowa, Iowa City, United States
| | - Aaron LeBeau
- Department of Pharmacology, University of Minnesota, Minneapolis, United States
| | - Fang Li
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, United States.,Center for Coronavirus Research, University of Minnesota, Saint Paul, United States
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Ning HB, Li K, Shang J. [Immunotherapy the road of hope for patients with advanced liver cancer in the new era]. Zhonghua Gan Zang Bing Za Zhi 2021; 29:308-312. [PMID: 33979953 DOI: 10.3760/cma.j.cn501113-20210402-00158] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Liver cancer prevention has always been a key issue in the follow-up diagnosis and treatment of viral hepatitis. Insidious onset, high morbidity, monotherapy, short survival time, and high mortality are the outstanding problems encountered in the diagnosis and treatment of advanced liver cancer. In recent years, with the clinical application of targeted drugs and immune checkpoint inhibitors, phased progress has been made in the diagnosis and treatment of advanced liver cancer, especially the accessibility of drug prices under the new medical insurance has provided more and more patients the opportunity to achieve a longer survival time. In this paper, the hot issues in the diagnosis and treatment of patients with advanced liver cancer in the immunotherapy era are discussed.
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Affiliation(s)
- H B Ning
- Department of Infectious Disease, Henan Provincial People's Hospital, Zhengzhou 450000, China
| | - K Li
- Department of Infectious Disease, Henan Provincial People's Hospital, Zhengzhou 450000, China
| | - J Shang
- Department of Infectious Disease, Henan Provincial People's Hospital, Zhengzhou 450000, China
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Ning HB, Jin HM, Li K, Peng Z, Li W, Shang J. [Analysis of bone mineral density and its influencing factors in 211 patients with chronic hepatitis B treated with long-term entecavir monotherapy]. Zhonghua Gan Zang Bing Za Zhi 2021; 29:234-239. [PMID: 33902190 DOI: 10.3760/cma.j.cn501113-20191128-00436] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the changes of bone mineral density and its related influencing factors in chronic hepatitis B patients treated with long-term entecavir monotherapy. Methods: 211 cases with chronic hepatitis B treated with entecavir monotherapy in the Department of Infectious Diseases of Henan Provincial People's Hospital from June 2018 to September 2019 were retrospectively collected. Age, gender, body mass index, number of years of medication use, presence or absence of liver cirrhosis and current bone mineral density level (using dual-energy X-ray detection, taking lumbar L1 ~ 4 and left femur as observation region) and other related data were collected. 211 cases general situation was descriptively analyzed by case-control study design. Two independent sample t-tests were used to compare the differences in serum calcium, phosphorus, and renal function levels in patients with different medication durations. Univariate logistic regression was used to screen the influencing factors of bone mineral density level. Significant variables of univariate analysis were included in multivariate logistic regression to obtain the independent influencing factors leading to the decrease of bone mineral density level. The test level was set as α = 0.05. Results: The average age of 211 cases with chronic hepatitis B was (42.36 ± 11.10) years. The average medication time use was (2.52 ± 1.94) years. The body mass index (23.95 ± 3.11), and male-to-female ratio was 2.25/1. The incidence of liver cirrhosis was 35.5%. The incidence of low bone mass in the two observation sites (lumbar spine L1~4 and left femur) was 24.6% and 29.4%, respectively. There were statistically significant differences in serum calcium, phosphorus and renal function levels among patients with different entecavir treatment duration (≥3 years and < 3 years) (P < 0.05). Univariate analysis result showed that the influencing factors of BMD were age, the number of years of medication use, gender, liver cirrhosis (L1~4 of the lumbar spine region) and age, the number of years of medication, and gender (left femoral region). The variables that entered the two models after the multivariate analysis were age (L1~4 region of lumbar spine: OR = 2.225, left femur OR = 1.660), gender (L1~4 region of lumbar spine: OR = 3.048, left femur OR = 2.496), number of years of medication use (L1~4 region of lumbar spine: OR = 1.387, left femur OR = 1.276). Conclusion: Age, gender, and the number of years of medication use are independent factors that influence the bone mineral density of patients with chronic hepatitis B treated with long-term entecavir. Low bone mass risk at the two observation sites is 2.225 and 1.66 times the normal level for every 10 years of age increase. Compared with men, the risk of low bone mass at the two observation sites is 3.048 and 2.496 times for women, and for every additional year of medication use, the risk of low bone mass at the two observation sites is 1.387 and 1.276 times the normal level. Female patients with older age and prolonged medication use are at high risk of developing bone mineral density reduction.
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Affiliation(s)
- H B Ning
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, 450000 Zhengzhou, China
| | - H M Jin
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, 450000 Zhengzhou, China
| | - K Li
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, 450000 Zhengzhou, China
| | - Z Peng
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, 450000 Zhengzhou, China
| | - W Li
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, 450000 Zhengzhou, China
| | - J Shang
- Department of Infectious Diseases, Henan Provincal People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, 450000 Zhengzhou, China
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Xiao EH, Hu SW, Ning HB, Kang YH, Yin H, Mao ZS, Kang Y, Shang J. [Differential proteomic screening of plasma exosomes before and after magnesium isoglycyrrhizinate treatment in chronic hepatitis B]. Zhonghua Gan Zang Bing Za Zhi 2021; 29:246-252. [PMID: 33902192 DOI: 10.3760/cma.j.cn501113-20200222-00062] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To screen the differential proteomic of plasma exosomes before and after magnesium isoglycyrrhizinate (MgIG) treatment in chronic hepatitis B patients. Methods: Plasma samples were collected from 36 cases with chronic hepatitis B before and after MgIG treatment (2 ml/case). Plasma exosomes were extracted by ultracentrifugation. Exosomal particles concentration and inner diameter were detected by Nanosight NS300 particle size analyzer. Three cases of plasma exosomes were randomly selected before and after MgIG treatment. Proteins were extracted after lysis and digested with trypsin. Label-free differential proteomics analysis was performed by liquid chromatography-tandem mass spectrometry to screen out differential proteins that changed more than 1.5 times. Enzyme linked immunosorbent assay (ELISA) was used to verify the quantitative differential protein expression (n = 30). Measurement data were compared by paired sample t-test. Results: The average particle concentration of the extracted exosomes was 2.2×10(9)/ml, and the average size was (107 ± 52) nm, which was consistent with the theoretical value of plasma exosome size, proving that the plasma exosomes were successfully extracted. Proteomics results showed that before and after MgIG treatment in chronic hepatitis B patients, a total of 153 differentially expressed proteins were screened, including 85 up-regulated and 68 down-regulated proteins. Enzyme-linked immunosorbent assay results showed that compared with the MgIG before and after treatment group of chronic hepatitis B patients, the differences in the concentrations of hepatocyte growth factor activator and hepatocyte growth factor like protein in plasma exosomes were statistically significant (P < 0.05). Hepatocyte growth factor activator concentration in the plasma exosomes before and after MgIG treatment group was (45.9 ± 9.4) μg/ml and (13.9 ± 2.0) μg/ml, respectively, and it was down-regulated by about 3 times. Hepatocyte growth factor-like protein concentration in the plasma exosomes before and after MgIG treatment group was (23.4 ± 4.9) μg/ml and (13.8 ± 2.2) μg/ml, respectively, and it was down-regulated by about 2 times. Enzyme-linked immunosorbent assay results had consistency with the proteomics results. Conclusion: This study successfully screened the differential proteomic of plasma exosomes before and after MgIG treatment in chronic hepatitis B, and provided experimental basis for studying the molecular mechanism of MgIG treatment for chronic hepatitis B.
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Affiliation(s)
- E H Xiao
- Department of Infectious Diseases, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou 450003, China
| | - S W Hu
- Department of Pathophysiology, Southern Medical University, Guangdong Provincial Key Laboratory of Proteomics, Guangzhou 510515, China
| | - H B Ning
- Department of Infectious Diseases, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou 450003, China
| | - Y H Kang
- Department of Infectious Diseases, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou 450003, China
| | - H Yin
- Department of Infectious Diseases, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou 450003, China
| | - Z S Mao
- Department of Infectious Diseases, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou 450003, China
| | - Y Kang
- Department of Infectious Diseases, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou 450003, China
| | - J Shang
- Department of Infectious Diseases, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou 450003, China
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Fan S, Yan S, Yang Y, Shang J, Hao M. Actin-Like Protein 8 Promotes the Progression of Triple-Negative Breast Cancer via Activating PI3K/AKT/mTOR Pathway. Onco Targets Ther 2021; 14:2463-2473. [PMID: 33883901 PMCID: PMC8053609 DOI: 10.2147/ott.s291403] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 03/08/2021] [Indexed: 12/30/2022] Open
Abstract
Objective The purpose of this study was to investigate the function of actin-like protein 8 (ACTL8) on triple-negative breast cancer (TNBC) and its potential mechanisms. Methods In our study, ACTL8 expression and the prognostic values of ACTL8 were evaluated via the dataset from the Cancer Genome Atlas (TCGA). At the same time, the expression of ACTL8 in TNBC cells was measured by Western blot and qRT-PCR. Then, the effects of ACTL8 on the growth and metastasis of TNBC were investigated by using 5-ethynyl-20-deoxyuridine (EdU), colony formation, flow cytometry, wound healing and transwell assays. Mechanistically, Western blot was performed to confirm the interaction between ACTL8 and phosphatidylinositol 3′-kinase/protein kinase B/mammalian target of rapamycin (PI3K/Akt/mTOR) signaling pathway in TNBC. Results ACTL8 expression was upregulated in TNBC and associated with the poor prognosis of TNBC. Silencing ACTL8 suppressed the proliferation, migration and invasion, also promoted the apoptosis in MDA-MB-231 and BT-549 cells. Moreover, we found that silencing ACTL8 could inhibit the activation of PI3K/AKT/mTOR signaling pathway in MDA-MB-231 and BT-549 cells. Meanwhile, the impact of silencing ACTL8 on the proliferation, apoptosis, migration and invasion was enhanced by PI3K/AKT/mTOR pathway inhibitor (Wortmannin) and reversed by PI3K/AKT/mTOR pathway activator (740Y-P). Conclusion Our data demonstrated that ACTL8 may facilitate the proliferation, migration and invasion, while inhibiting apoptosis through activating PI3K/Akt/mTOR signaling pathway in TNBC.
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Affiliation(s)
- Shaoxia Fan
- Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong, 257091, People's Republic of China
| | - Shen Yan
- Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong, 257091, People's Republic of China
| | - Yang Yang
- Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong, 257091, People's Republic of China
| | - Jian Shang
- Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong, 257091, People's Republic of China
| | - Min Hao
- Breast and Thyroid Surgery, Dongying People's Hospital, Dongying, Shandong, 257091, People's Republic of China
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