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Shi Y, Zhang Y, Wang Z, Yuan T, Meng T, Li Y, Li X, Yuan F, Tan Z, Fan L. Onion-like multicolor thermally activated delayed fluorescent carbon quantum dots for efficient electroluminescent light-emitting diodes. Nat Commun 2024; 15:3043. [PMID: 38589394 PMCID: PMC11001924 DOI: 10.1038/s41467-024-47372-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 03/27/2024] [Indexed: 04/10/2024] Open
Abstract
Carbon quantum dots are emerging as promising nanomaterials for next-generation displays. The elaborate structural design is crucial for achieving thermally activated delayed fluorescence, particularly for improving external quantum efficiency of electroluminescent light-emitting diodes. Here, we report the synthesis of onion-like multicolor thermally activated delayed fluorescence carbon quantum dots with quantum yields of 42.3-61.0%. Structural, spectroscopic characterization and computational studies reveal that onion-like structures assembled from monomer carbon quantum dots of different sizes account for the decreased singlet-triplet energy gap, thereby achieving efficient multicolor thermally activated delayed fluorescence. The devices exhibit maximum luminances of 3785-7550 cd m-2 and maximum external quantum efficiency of 6.0-9.9%. Importantly, owing to the weak van der Waals interactions and adequate solution processability, flexible devices with a maximum luminance of 2554 cd m-2 are realized. These findings facilitate the development of high-performance carbon quantum dots-based electroluminescent light-emitting diodes that are promising for practical applications.
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Affiliation(s)
- Yuxin Shi
- Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Yang Zhang
- Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Zhibin Wang
- College of Physics and Energy, Fujian Normal University, Fuzhou, 350117, China
| | - Ting Yuan
- Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Ting Meng
- Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Yunchao Li
- Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Xiaohong Li
- Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Fanglong Yuan
- Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
| | - Zhan'ao Tan
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Louzhen Fan
- Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, China.
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2
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Gong Y, Shen C, Meng T, Lin W, Hu X, Tang R, Xiong Q, Ooi JD, Eggenhuizen PJ, Chen J, Zhou YO, Luo H, Xu J, Liu N, Xiao P, Xiao X, Zhong Y. Clinical features and prognosis of ANCA-associated vasculitis patients who were double-seropositive for myeloperoxidase-ANCA and proteinase 3-ANCA. Clin Exp Med 2024; 24:66. [PMID: 38564029 PMCID: PMC10987344 DOI: 10.1007/s10238-024-01318-y] [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: 12/27/2023] [Accepted: 02/29/2024] [Indexed: 04/04/2024]
Abstract
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) patients with dual positivity for proteinase 3-ANCA (PR3-ANCA) and myeloperoxidase-ANCA (MPO-ANCA) are uncommon. We aimed to investigate these idiopathic double-positive AAV patients' clinical features, histological characteristics, and prognosis. We reviewed all the electronic medical records of patients diagnosed with AAV to obtain clinical data and renal histological information from January 2010 to December 2020 in a large center in China. Patients were assigned to the MPO-AAV group or PR3-AAV group or idiopathic double-positive AAV group by ANCA specificity. We explored features of idiopathic double-positive AAV. Of the 340 patients who fulfilled the study inclusion criteria, 159 (46.76%) were female, with a mean age of 58.41 years at the time of AAV diagnosis. Similar to MPO-AAV, idiopathic double-positive AAV patients were older and had more severe anemia, lower Birmingham Vasculitis Activity Score (BVAS) and C-reactive protein (CRP) levels, less ear, nose, and throat (ENT) involvement, higher initial serum creatinine and a lower estimated glomerular filtration rate (eGFR) when compared with PR3-AAV (P < 0.05). The proportion of normal glomeruli of idiopathic double-positive AAV was the lowest among the three groups (P < 0.05). The idiopathic double-positive AAV patients had the worst remission rate (58.8%) among the three groups (P < 0.05). The relapse rate of double-positive AAV (40.0%) was comparable with PR3-AAV (44.8%) (P > 0.05). Although there was a trend toward a higher relapse rate of idiopathic double-positive AAV (40.0%) compared with MPO-AAV (23.5%), this did not reach statistical significance (P > 0.05). The proportion of patients who progressed to ESRD was 47.1% and 44.4% in the idiopathic double-positive AAV group and MPO-AAV group respectively, without statistical significance. Long-term patient survival also varied among the three groups (P < 0.05). Idiopathic double-positive AAV is a rare clinical entity with hybrid features of MPO-AAV and PR3-AAV. MPO-AAV is the "dominant" phenotype in idiopathic double-positive AAV.
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Affiliation(s)
- Yizi Gong
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
- Key Laboratory of Biological, Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Chanjuan Shen
- Department of Hematology, The Affiliated Zhuzhou Hospital of Xiangya Medical College, Central South University, Zhuzhou, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
| | - Wei Lin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Xueling Hu
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
| | - Qi Xiong
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
| | - Joshua D Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, VIC, Australia
| | - Peter J Eggenhuizen
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, VIC, Australia
| | - Jinbiao Chen
- Department of Medical Records and Information, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Ya-Ou Zhou
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, China
| | - Hui Luo
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, China
| | - Jia Xu
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
| | - Ning Liu
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
| | - Ping Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China.
- Key Laboratory of Biological, Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, China.
- Key Laboratory of Biological, Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
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Zhuang T, Chen MH, Wu RX, Wang J, Hu XD, Meng T, Wu AH, Li Y, Yang YF, Lei Y, Hu DH, Li YX, Zhang L, Sun AJ, Lu W, Zhang GN, Zuo JL, Ruan CC. ALKBH5-mediated m6A modification of IL-11 drives macrophage-to-myofibroblast transition and pathological cardiac fibrosis in mice. Nat Commun 2024; 15:1995. [PMID: 38443404 PMCID: PMC10914760 DOI: 10.1038/s41467-024-46357-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 02/24/2024] [Indexed: 03/07/2024] Open
Abstract
Cardiac macrophage contributes to the development of cardiac fibrosis, but factors that regulate cardiac macrophages transition and activation during this process remains elusive. Here we show, by single-cell transcriptomics, lineage tracing and parabiosis, that cardiac macrophages from circulating monocytes preferentially commit to macrophage-to-myofibroblast transition (MMT) under angiotensin II (Ang II)-induced hypertension, with accompanying increased expression of the RNA N6-methyladenosine demethylases, ALKBH5. Meanwhile, macrophage-specific knockout of ALKBH5 inhibits Ang II-induced MMT, and subsequently ameliorates cardiac fibrosis and dysfunction. Mechanistically, RNA immunoprecipitation sequencing identifies interlukin-11 (IL-11) mRNA as a target for ALKBH5-mediated m6A demethylation, leading to increased IL-11 mRNA stability and protein levels. By contrast, overexpression of IL11 in circulating macrophages reverses the phenotype in ALKBH5-deficient mice and macrophage. Lastly, targeted delivery of ALKBH5 or IL-11 receptor α (IL11RA1) siRNA to monocytes/macrophages attenuates MMT and cardiac fibrosis under hypertensive stress. Our results thus suggest that the ALKBH5/IL-11/IL11RA1/MMT axis alters cardiac macrophage and contributes to hypertensive cardiac fibrosis and dysfunction in mice, and thereby identify potential targets for cardiac fibrosis therapy in patients.
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Affiliation(s)
- Tao Zhuang
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Mei-Hua Chen
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
- Institute of Metabolism and Regenerative Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruo-Xi Wu
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Jing Wang
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Xi-De Hu
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Ting Meng
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Ai-Hua Wu
- Minhang Hospital and School of Pharmacy, Key Laboratory of Smart Drug Delivery Ministry of Education, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
| | - Yan Li
- Department of Cardiology, RuiJin Hospital/LuWan Branch, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yong-Feng Yang
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Yu Lei
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Dong-Hua Hu
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Yan-Xiu Li
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Li Zhang
- Department of Cardiology and Institute for Developmental and Regenerative Cardiovascular Medicine, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Ai-Jun Sun
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China
| | - Wei Lu
- Institute of Metabolism and Regenerative Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Guan-Nan Zhang
- Department of Immunology, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Jun-Li Zuo
- Department of Geriatrics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Cheng-Chao Ruan
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China.
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4
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Muhammad A, Xiao Z, Lin W, Zhang Y, Meng T, Ning J, Xu H, Tang R, Xiao X. Acute interstitial nephritis caused by ANCA-associated vasculitis: a case based review. Clin Rheumatol 2024; 43:1227-1244. [PMID: 37932622 DOI: 10.1007/s10067-023-06798-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/26/2023] [Accepted: 10/09/2023] [Indexed: 11/08/2023]
Abstract
Antineutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV) typically manifests as rapidly progressive glomerulonephritis with crescent formation. In this report, we present a local case of myeloperoxidase (MPO)-AAV-associated acute interstitial nephritis (AIN), showing slight pauci-immune glomerulonephritis and positive MPO-ANCA. This case is characterized by foot process effacement of podocytes in the glomerulus, a favorable prognosis, and an absence of crescentic formation. To further understand this condition, we conducted a comprehensive literature search on Google Scholar and PubMed, employing both free text words and MeSH terms related to "AAV and AIN." This search yielded 24 cases, which we analyzed for their clinical features, laboratory findings, renal pathological characteristics, and therapeutic outcomes. AAV-associated interstitial nephritis predominantly affects elderly patients and is often associated with anemia, proteinuria, hematuria, and nonspecific manifestations, including fever, anorexia, fatigue, edema, and weight loss. Most of the cases in our review were MPO-ANCA-positive and exhibited isolated interstitial inflammation. These patients typically presented with relatively lower levels of serum creatinine, 24-h urine protein levels, and MPO-ANCA titers. All patients in our study received immunosuppressive therapy, including glucocorticoids, immunosuppressants, and rituximab, with the majority achieving clinical remission. Isolated AIN in the context of AAV is a rare occurrence, but it displays distinct clinical, laboratory, and pathological features. Patients with this presentation show a positive response to immunosuppressive treatment. Nevertheless, the establishment of definitive therapy guidelines for AAV-associated AIN remains uncertain and necessitates further investigation to develop comprehensive treatment guidelines. AIN, particularly when lacking typical glomerulus lesions, may represent a novel subgroup within MPO-AAV warranting additional research and clinical attention. Key Points • This study contributes valuable scientific insights by highlighting that MPO-AAV-associated interstitial nephritis, even without crescentic formation, can exhibit podocyte foot process effacement and respond well to treatment. • The presence of AIN, independent of crescentic glomerulonephritis, suggests the potential emergence of a new subclass within MPA-AAV. • Notably, some cases of MPO-AAV-associated AIN may present with normal levels of Scr (Table 5, cases 5, 6, and 17). • This observation highlights the importance of considering renal biopsy, diagnosis, and therapy in a timely manner to prevent the development of chronic kidney disease (CKD).
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Affiliation(s)
- Amir Muhammad
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China
| | - Zhou Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China
| | - Wei Lin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Yingli Zhang
- Department of Nephrology, Third Hospital of Changsha, Changsha, 410015, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China
| | - Jianping Ning
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China
| | - Hui Xu
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China.
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China.
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5
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Bu F, Gao Y, Zhao W, Cao Q, Deng Y, Chen J, Pu J, Yang J, Wang Y, Yang N, Meng T, Liu X, Guan C. Bio-Inspired Trace Hydroxyl-Rich Electrolyte Additives for High-Rate and Stable Zn-Ion Batteries at Low Temperatures. Angew Chem Int Ed Engl 2024; 63:e202318496. [PMID: 38180310 DOI: 10.1002/anie.202318496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 01/06/2024]
Abstract
High-rate and stable Zn-ion batteries working at low temperatures are highly desirable for practical applications, but are challenged by sluggish kinetics and severe corrosion. Herein, inspired by frost-resistant plants, we report trace hydroxyl-rich electrolyte additives that implement a dual remodeling effect for high-performance low-temperature Zn-ion batteries. The additive with high Zn absorbability not only remodels Zn2+ primary solvent shell by alternating H2 O molecules, but also forms a shielding layer thus remodeling the Zn surface, which effectively enhances fast Zn2+ de-solvation reaction kinetics and prohibits Zn anode corrosion. Taking trace α-D-glucose (αDG) as a demonstration, the electrolyte obtains a low freezing point of -55.3 °C, and the Zn//Zn cell can stably cycle for 2000 h at 5 mA cm-2 under -25 °C, with a high cumulative capacity of 5000 mAh cm-2 . A full battery that stably operates for 10000 cycles at -50 °C is also demonstrated.
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Affiliation(s)
- Fan Bu
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, Ningbo, 315103, China
| | - Yong Gao
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Wenbo Zhao
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Qinghe Cao
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, Ningbo, 315103, China
| | - Yifan Deng
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Jipeng Chen
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Jie Pu
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Jiayu Yang
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117576, Singapore
| | - Yuxuan Wang
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Nute Yang
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Ting Meng
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, Ningbo, 315103, China
| | - Xiangye Liu
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, Ningbo, 315103, China
| | - Cao Guan
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Ningbo Institute of Northwestern Polytechnical University, Northwestern Polytechnical University, Ningbo, 315103, China
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6
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Liu Y, Wu C, Niu Y, Meng T, He J. Large-Scale Syntheses of Multicolor Stimulus Responsive Room-Temperature Phosphorescent Polymer-Carbonyl-Modified Carbon Nitrogen Quantum Dots. J Phys Chem Lett 2024; 15:1584-1589. [PMID: 38306155 DOI: 10.1021/acs.jpclett.3c03320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Carbonyl-modified solid-state carbon nitrogen quantum dots (m-O═CNQDs) have emerged as promising room-temperature phosphorescent (RTP) materials close to commercialization. However, high-crystallinity m-O═CNQDs are insensitive to external stimuli such as water and heat due to strong stacking interactions between layers, restricting their applications in stimulus responsive fields. Here, a polymer template space-confined growth strategy is established for the large-scale synthesis of water stimulus responsive polyvinylpyrrolidone-functionalized m-O═CNQDs with ultralong room-temperature phosphorescence (181 ms) using urea and PVP as precursors. Theoretical and experimental results indicate that the PVP template linked at the rim of m-O═CNQDs formed by in situ self-polymerization of urea inhibits interactions between layers and increases their affinity for water, which is the key to increasing their sensitivity with water. This strategy offers a new path for developing commercial stimulus responsive RTP materials.
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Affiliation(s)
- Yi Liu
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010070, P. R. China
| | - Cheng Wu
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010070, P. R. China
| | - Yongkai Niu
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010070, P. R. China
| | - Ting Meng
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010070, P. R. China
| | - Jinlu He
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010070, P. R. China
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7
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Song YJ, Ma Y, Meng T, Zhuang T, Ruan CC, Li Y, Zhang GN. The Characteristics of Macrophage Heterogeneity in Atherosclerotic Aortas. J Cardiovasc Transl Res 2024; 17:153-166. [PMID: 37713049 DOI: 10.1007/s12265-023-10434-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 08/29/2023] [Indexed: 09/16/2023]
Abstract
Macrophage is the main effector cell during atherosclerosis. We applied single-cell RNA sequencing (scRNA) data to investigate the role of macrophage subsets in atherosclerosis. Monocyte and macrophage clusters were divided into 6 subclusters. Each subcluster's markers were calculated and validated by immunofluorescence. Elevated macrophage subclusters in the WD group were subject to enrichment pathway analysis and exhibited different phenotypes. Pseudotime analysis shows the subclusters originate from monocytes. We cultured bone marrow-derived macrophages with CSF-1 and ox-LDL to simulate an atherosclerotic-like environment and detected the transformation of subclusters. Macrophage-Vegfa and Macrophage-C1qb increased in the WD group. Macrophage-Vegfa acquires the characteristics of phagocytosis and immune response, while Macrophage-C1qb is not involved in lipid metabolism. The two subclusters are both enriched in cell movement and migration pathways. Experimental verification proved Monocyte-Ly6C evolved into Macrophage-Vegfa and Macrophage-C1qb during atherosclerosis progression.
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Affiliation(s)
- Yu-Jie Song
- Department of Cardiovascular Medicine, State Key Laboratory of Medical Genomics, Shanghai Key Laboratory of Hypertension, Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yu Ma
- Department of Cardiovascular Medicine, State Key Laboratory of Medical Genomics, Shanghai Key Laboratory of Hypertension, Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ting Meng
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Tao Zhuang
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Cheng-Chao Ruan
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, Shanghai, China
| | - Yan Li
- Department of Cardiology, RuiJin Hospital/LuWan Branch, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Guan-Nan Zhang
- Department of Immunology, Nanjing Medical University, Nanjing, Jiangsu, China.
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8
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Meng T, Ma F, Gao Y, Geng Z, Wang X, Chen J, Zhang H, Guan C. Functional Laminated Fiber Scaffold Based on Titanium Monoxide for Lithium Metal-Based Batteries. Small 2024; 20:e2304734. [PMID: 37828641 DOI: 10.1002/smll.202304734] [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: 06/05/2023] [Revised: 08/31/2023] [Indexed: 10/14/2023]
Abstract
Lithium metal-based rechargeable batteries are attracting increasing attention due to their high theoretical specific capacity and energy density. However, the dendrite growth leads to short circuits or even explosions and rapid depletion of active materials and electrolytes. Here, a functionalized and laminated scaffold (PVDF/TiO@C fiber) based on lithiophilic titanium monoxide is rationally designed to inhibit dendrite growth. Specifically, the bottom TiO@C fiber sublayer provides rich Li nucleation sites and facilitates the formation of stable solid electrolyte interphase. Together with the top lithiophobic PVDF sublayer, the prepared freestanding scaffold can effectively suppress the growth of Li dendrite and ensure stable Li plating/stripping. Based on the dendrite-free deposition, the Li/PVDF/TiO@ C fiber anode enables over 1000 h at a current density of 1 mA cm-2 in a symmetrical cell and delivers superior electrochemical performance in both Li || LFP and Li-S batteries. The functional laminated fiber scaffold design provides essential insights for obtaining high-performance lithium metal anodes.
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Affiliation(s)
- Ting Meng
- Institute of Flexible Electronics, Xi'an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
| | - Fei Ma
- Institute of Flexible Electronics, Xi'an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
| | - Yong Gao
- Institute of Flexible Electronics, Xi'an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
| | - Zeyu Geng
- Institute of Flexible Electronics, Xi'an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
| | - Xiaohan Wang
- Institute of Flexible Electronics, Xi'an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
| | - Jipeng Chen
- Institute of Flexible Electronics, Xi'an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
| | - Haifeng Zhang
- Institute of Flexible Electronics, Xi'an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
| | - Cao Guan
- Institute of Flexible Electronics, Xi'an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Han X, Zhao Q, Yan X, Meng T, He J. Blocking recombination centers by controlling the charge density of a sulfur vacancy in antimony trisulfide. Phys Chem Chem Phys 2023; 25:32622-32631. [PMID: 38009229 DOI: 10.1039/d3cp05217f] [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: 11/28/2023]
Abstract
By performing nonadiabatic molecular dynamics combined with ab initio time-domain density functional theory, we have explored the effects of the charge density of a sulfur vacancy on charge trapping and recombination in antimony trisulfide (Sb2S3). The simulations demonstrate that, compared to an antimony vacancy, the sulfur vacancy generates a high charge density trap state within the band gap. This state acts as the recombination center and provides new channels for charge carrier relaxation. Filling the sulfur vacancy with electron donors elevates the defect state to the Fermi level due to the introduced extra electrons. In contrast, the electron acceptor lowers the charge density of the sulfur vacancy by capturing its local electrons, eliminating the charge recombination center and extending the photo-generated charge carrier lifetime. Additionally, compared with electron injection, hole injection can also decrease the charge density of the trap state via neutralizing its local electronic states, eliminate the trap state within the band gap, and suppress nonradiative electron-hole recombination. This study is expected to shed new light on the blocking recombination centers and provide valuable insights into the design of high-performance solar cells.
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Affiliation(s)
- Xiao Han
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China.
| | - Qi Zhao
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China.
| | - Xiaodan Yan
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China.
| | - Ting Meng
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China.
| | - Jinlu He
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China.
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Tang R, Lin W, Shen C, Hu X, Yu L, Meng T, Zhang L, Eggenhuizen PJ, Ooi JD, Jin P, Ding X, Xiao X, Zhong Y. Single-cell transcriptomics uncover hub genes and cell-cell crosstalk in patients with hypertensive nephropathy. Int Immunopharmacol 2023; 125:111104. [PMID: 37897949 DOI: 10.1016/j.intimp.2023.111104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/15/2023] [Accepted: 10/19/2023] [Indexed: 10/30/2023]
Abstract
Hypertensive nephropathy (HTN) is one of the leading causes of end-stage renal disease, yet the molecular mechanisms are still unknown. To explore novel mechanisms and gene targets for HTN, the gene expression profiles of renal biopsy samples obtained from 2 healthy living donor controls and 5 HTN patients were determined by single-cell RNA sequencing. Key hub genes expression were validated by the Nephroseq v5 platform. The HTN endothelium upregulated cellular adhesion genes (ICAM2 and CEACAM1), inflammatory genes (ETS2 and IFI6) and apoptosis related genes (CNN3). Proximal tubules in HTN highly expressed hub genes including BBOX1, TPM1, TMSB10, SDC4, and NUP58, which might be potential novel targets for proximal tubular injury. The upregulated genes in tubules of HTN were mainly participating in inflammatory signatures including IFN-γ signature, NF-κB signaling, IL-12 signaling and Wnt signaling pathway. Receptor-ligand interaction analysis indicated potential cell-cell crosstalk between endothelial cells or mesangial cells with other renal resident cells in HTN. Together, our data identify a distinct cell-specific gene expression profile, pathogenic inflammatory signaling and potential cell-cell communications between endothelial cells or mesangial cells with other renal resident cells in HTN. These findings may provide a promising novel landscape for mechanisms and treatment of human HTN.
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Affiliation(s)
- Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wei Lin
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Chanjuan Shen
- Department of Hematology, The Affiliated Zhuzhou Hospital Xiangya Medical College, Central South University, Zhuzhou, Hunan, China
| | - Xueling Hu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Leilin Yu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Nephrology, Jiujiang Hospital of Traditional Chinese Medicine, Jiujiang, Jiangxi, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Linlin Zhang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Peter J Eggenhuizen
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Joshua D Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Peng Jin
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiang Ding
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Lang L, Zheng D, Jiang Q, Meng T, Ma X, Yang Y. Uncoupling protein 2 modulates polarization and metabolism of human primary macrophages via glycolysis and the NF‑κB pathway. Exp Ther Med 2023; 26:583. [PMID: 38023353 PMCID: PMC10665990 DOI: 10.3892/etm.2023.12282] [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: 05/21/2023] [Accepted: 08/17/2023] [Indexed: 12/01/2023] Open
Abstract
Metabolic abnormalities, particularly the M1/M2 macrophage imbalance, play a critical role in the development of various diseases, leading to severe inflammatory responses. The present study aimed to investigate the role of uncoupling protein 2 (UCP2) in regulating macrophage polarization, glycolysis, metabolic reprogramming, reactive oxygen species (ROS) and inflammation. Primary human macrophages were first polarized into M1 and M2 subtypes, and these two subtypes were infected by lentivirus-mediated UCP2 overexpression or knockdown, followed by enzyme-linked immunosorbent assay, reverse transcription-quantitative PCR, western blotting and flow cytometry to analyze the effects of UCP2 on glycolysis, oxidative phosphorylation (OXPHOS), ROS production and cytokine secretion, respectively. The results demonstrated that UCP2 expression was suppressed in M1 macrophages and increased in M2 macrophages, suggesting its regulatory role in macrophage polarization. UCP2 overexpression decreased macrophage glycolysis, increased OXPHOS, decreased ROS production, and led to the conversion of M1 polarization to M2 polarization. This process involved NF-κB signaling to regulate the secretion profile of cytokines and chemokines and affected the expression of key enzymes of glycolysis and a key factor for maintaining mitochondrial homeostasis (nuclear respiratory factor 1). UCP2 knockdown in M2 macrophages exacerbated inflammation and oxidative stress by promoting glycolysis, which was attenuated by the glycolysis inhibitor 2-deoxyglucose. These findings highlight the critical role of UCP2 in regulating macrophage polarization, metabolism, inflammation and oxidative stress through its effects on glycolysis, providing valuable insights into potential therapeutic strategies for macrophage-driven inflammatory and metabolic diseases.
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Affiliation(s)
- Liguo Lang
- Department of Cardiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Dongju Zheng
- Department of Cardiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Qingjun Jiang
- Department of Cardiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Ting Meng
- Department of Cardiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Xiaohu Ma
- Department of Cardiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
| | - Yang Yang
- Department of Cardiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Hui Autonomous Region 750001, P.R. China
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Meng T, Zhu P, Shen C, Ooi JD, Eggenhuizen P, Zhou YO, Luo H, Chen JB, Lin W, Xiong Q, Gong Y, Tang R, Ao X, Peng W, Xiao Z, Xiao P, Xiao X, Zhong Y. Sex disparities in clinicopathological features and outcomes of patients with myeloperoxidase-ANCA-associated vasculitis: a retrospective study of 366 cases in a single Chinese center. Clin Exp Med 2023; 23:3565-3572. [PMID: 37428262 DOI: 10.1007/s10238-023-01115-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 05/31/2023] [Indexed: 07/11/2023]
Abstract
There are a few studies that reported sex disparities in clinical features, pathological features and outcomes among ANCA-associated vasculitis (AAV) patients, but studies focusing on sex-specific differences of myeloperoxidase (MPO)-AAV patients are scarce. Therefore, the purpose of this study was to analyze sex differences in clinicopathological features and outcomes of MPO-AAV. Patients diagnosed with MPO-AAV in Xiangya Hospital from January 2010 to June 2021 were included in the study and separated into female and male groups. The differences in clinical manifestations, laboratory parameters, pathological features and prognosis between the two groups were retrospectively analyzed. Three hundred and sixty-six patients were included and divided into female group (n = 176) and male group (n = 190). The age of the male group was 62.41 ± 10.49 years, significantly higher than that of the female group (58.69 ± 16.39, p = 0.011). Compared with the female group, the male group had a shorter duration of disease, higher levels of hemoglobin, eosinophil count, proteinuria, serum C4, and lower levels of serum globulin, serum IgG and serum IgM (p < 0.05). No significant differences in kidney pathological features were observed between the two groups. During a median follow-up of 37.6 months, there was no significant difference in renal survival and patient survival between the two groups, but male patients had a worse composite outcome of renal and patient survival compared with the female patients (p = 0.044). This study found that male patients with MPO-AAV had a higher age of onset, shorter duration of disease, higher levels of hemoglobin, eosinophil count, proteinuria, serum C4, and lower levels of serum globulin, serum IgG and serum IgM. Male patients fared worse than female patients in terms of the composite outcome of renal and patient survival.
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Affiliation(s)
- Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological, Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Huana, China
| | - Peng Zhu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological, Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Huana, China
| | - Chanjuan Shen
- Department of Hematology, The Affiliated Zhuzhou Hospital of Xiangya Medical College, Central South University, Zhuzhou, China
| | - Joshua D Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Peter Eggenhuizen
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Ya-Ou Zhou
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, China
| | - Hui Luo
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, China
| | - Jin-Biao Chen
- Department of Medical Records and Information, Xiangya Hospital, Central South University, Changsha, China
| | - Wei Lin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Qi Xiong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Yizi Gong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Ao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Weisheng Peng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Zhou Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Ping Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China.
- Key Laboratory of Biological, Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Huana, China.
- National Clinical Research Center for Geriatric Disorders (Xiangya Hospital), Xiangya Road #87, Changsha, Hunan, China.
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China.
- Key Laboratory of Biological, Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Huana, China.
- National Clinical Research Center for Geriatric Disorders (Xiangya Hospital), Xiangya Road #87, Changsha, Hunan, China.
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Wujanto C, Lee CC, Meng T, Ooi KH, Tan TH, Koh WY, Tseng MSF, Koh V, Yeoh T, Leong YH, Chia D, Ng IW, Ho F, Tey J, Soon YY. Adjuvant Breast Radiation Therapy for Early-Stage Breast Cancer or Ductal Carcinoma In-Situ in the Breast: A Systematic Review and Network Meta-Analysis of Randomized Trials. Int J Radiat Oncol Biol Phys 2023; 117:e214. [PMID: 37784885 DOI: 10.1016/j.ijrobp.2023.06.1106] [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) For selected patients with early-stage breast cancer (BC) or ductal carcinoma in-situ (DCIS) in the breast, adjuvant breast radiation therapy (RT) approaches include partial breast irradiation (PBI), altered fractionation (AF) whole breast irradiation (WBI) or tumor bed boost (TBB). However, it is unclear which is the optimal approach. This study aims to compare the effects of different PBI, AF-WBI and TBB options on ipsilateral breast tumor recurrence (IBTR), overall survival (OS) and patient reported cosmesis (PRC) outcomes. MATERIALS/METHODS We searched various biomedical electronic databases for eligible randomized trials (RCTs) from date of inception to January 2023. We constructed six separate random effects frequentist network meta-analyses (NMA) to compare the effects of various PBI options using WBI as the reference; various AF-WBI options using conventional fractionated (CF) WBI as the reference and various TBB options using no TBB as the reference on IBTR and OS. The GRADE approach was used to assess the certainty of evidence. The synthesis without meta-analysis approach was pre-specified for evaluation of PRC in anticipation of various assessment and reporting methods. RESULTS We included 34 RCTs comprising 49,899 participants and 11 treatment options. Evidence suggests that accelerated PBI (Hazard Ratio (HR) 1.36 (95% confidence interval (CI) 0.77 - 2.41, moderate certainty), moderately hypofractionated (MHF) PBI (HR 1.38 (0.60 - 3.19), moderate certainty) and intraoperative PBI (HR 1.47 (0.81 - 2.68), low certainty) was associated with a modest but not statistically significant increase in the hazards for IBTR when compared to WBI. There was moderate certainty evidence that there were no significant differences among the accelerated ultra-hypo fractionated (AUHF) WBI (HR 0.76 (0.50 - 1.14)), MHF-WBI (HR 0.99 (0.84 - 1.16)) or UHF-WBI (HR (1.35 (0.47 - 3.92)) when compared with CF-WBI for IBTR. The effects of sequential TBB (seqTBB) (HR 0.61 (0.52 - 0.70), high certainty) and simultaneous integrated TBB (simTBB) (HR 0.77 (0.55 - 1.09), moderate certainty) on IBTR were similar when compared to no TBB. There were no significant differences in OS between PBI options and WBI, AF-WBI options and CF-WBI, TBB options and no TBB. Among the PBI vs WBI trials, MHF-PBI and APBI may be associated with fewer adverse PRC events. Among the AF-WBI vs CF-WBI trials, half of the included trials reported fewer adverse PRC events with MHF-WBI. SeqTBB and simTBB had similar adverse PRC outcome. CONCLUSION There were no significant differences among the PBI, AF-WBI and TBB options for IBTR and OS. PBI and AF-WBI may be associated with less adverse PRC events compared with WBI and CF-WBI respectively. There was no evidence to suggest a difference between seqTBB and simTBB for PRC outcome. This study is registered with PROSPERO CRD 42021245074.
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Affiliation(s)
- C Wujanto
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - C C Lee
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - T Meng
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - K H Ooi
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - T H Tan
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - W Y Koh
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - M S F Tseng
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - V Koh
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - T Yeoh
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - Y H Leong
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - D Chia
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - I W Ng
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - F Ho
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - J Tey
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
| | - Y Y Soon
- Department of Radiation Oncology, National University Cancer Institute, Singapore, Singapore
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Wang B, Meng T, Xiao B, Yu T, Yue T, Jin Y, Ma P. Fighting wheat powdery mildew: from genes to fields. Theor Appl Genet 2023; 136:196. [PMID: 37606731 DOI: 10.1007/s00122-023-04445-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/07/2023] [Indexed: 08/23/2023]
Abstract
KEY MESSAGE Host resistance conferred by Pm genes provides an effective strategy to control powdery mildew. The study of Pm genes helps modern breeding develop toward more intelligent and customized. Powdery mildew of wheat is one of the most destructive diseases seriously threatening the crop yield and quality worldwide. The genetic research on powdery mildew (Pm) resistance has entered a new era. Many Pm genes from wheat and its wild and domesticated relatives have been mined and cloned. Meanwhile, modern breeding strategies based on high-throughput sequencing and genome editing are emerging and developing toward more intelligent and customized. This review highlights mining and cloning of Pm genes, molecular mechanism studies on the resistance and avirulence genes, and prospects for genomic-assisted breeding for powdery mildew resistance in wheat.
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Affiliation(s)
- Bo Wang
- Yantai Key Laboratory of Characteristic Agricultural Biological Resource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Ting Meng
- Yantai Key Laboratory of Characteristic Agricultural Biological Resource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Bei Xiao
- Yantai Key Laboratory of Characteristic Agricultural Biological Resource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Tianying Yu
- Yantai Key Laboratory of Characteristic Agricultural Biological Resource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Tingyan Yue
- Yantai Key Laboratory of Characteristic Agricultural Biological Resource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Yuli Jin
- Yantai Key Laboratory of Characteristic Agricultural Biological Resource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Pengtao Ma
- Yantai Key Laboratory of Characteristic Agricultural Biological Resource Conservation and Germplasm Innovative Utilization, College of Life Sciences, Yantai University, Yantai, 264005, China.
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Wang X, Yang S, Yang G, Lin J, Zhao P, Ding J, Sun H, Meng T, Yang MM, Kang L, Liang Z. Novel risk score model for non-proliferative diabetic retinopathy based on untargeted metabolomics of venous blood. Front Endocrinol (Lausanne) 2023; 14:1180415. [PMID: 37670880 PMCID: PMC10476524 DOI: 10.3389/fendo.2023.1180415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 07/25/2023] [Indexed: 09/07/2023] Open
Abstract
Background and Purpose Nonproliferative diabetic retinopathy (NPDR) occurs in the early stages of Diabetic retinopathy (DR), and the study of its metabolic markers will help to prevent DR. Hence, we aimed to establish a risk score based on multiple metabolites through untargeted metabolomic analysis of venous blood from NPDR patients and diabetic non-DR patients. Experimental Approach Untargeted metabolomics of venous blood samples from patients with NPDR, diabetes melitus without DR were performed using high-performance liquid chromatography-mass spectrometry. Results Detailed metabolomic evaluation showed distinct clusters of metabolites in plasma samples from patients with NPDR and diabetic non-DR patients. NPDR patients had significantly higher levels of phenylacetylglycine, L-aspartic acid, tiglylglycine, and 3-sulfinato-L-alaninate, and lower level of indolelactic acid, threonic acid, L-arginine (Arg), and 4-dodecylbenzenesulfonic acid compared to control. The expression profiles of these eight NPDR risk-related characteristic metabolites were analyzed using Cox regression to establish a risk score model. Subsequently, univariate and multivariate Cox regression analyses were used to determine that this risk score model was a predictor of independent prognosis for NPDR. Conclusions Untargeted metabolome analysis of blood metabolites revealed unreported metabolic alterations in NPDR patients compared with those in diabetic non-DR patients or MH. In the venous blood, we identified depleted metabolites thA and Arg, indicating that they might play a role in NPDR development.
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Affiliation(s)
- Xinyu Wang
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
- Department of Nephrology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Shu Yang
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
- Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, China
| | - Guangyan Yang
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
- Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, China
| | - Jialong Lin
- Department of Cardiovascular Medicine, The Fourth Affiliated Hospital of Guangzhou Medical University, Zengcheng District People’s Hospital of Guangzhou, Guangzhou, China
| | - Pengfei Zhao
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Jingyun Ding
- Department of Geriatric, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Hongyan Sun
- Department of Ophthalmology, Shenzhen People’s Hospital, The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Ting Meng
- Department of Ophthalmology, Shenzhen People’s Hospital, The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Ming Ming Yang
- Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, China
- Department of Ophthalmology, Shenzhen People’s Hospital, The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Lin Kang
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
- Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, China
- The Biobank of National Innovation Center for Advanced Medical Devices, Shenzhen People’s Hospital, Shenzhen, China
| | - Zhen Liang
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
- Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, China
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Zhuang T, Lei Y, Chang JJ, Zhou YP, Li Y, Li YX, Yang YF, Chen MH, Meng T, Fu SM, Huang LH, Cheang WS, Cooke JP, Dong ZH, Bai YN, Ruan CC. A2AR-mediated lymphangiogenesis via VEGFR2 signaling prevents salt-sensitive hypertension. Eur Heart J 2023; 44:2730-2742. [PMID: 37377160 PMCID: PMC10393074 DOI: 10.1093/eurheartj/ehad377] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 04/17/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
AIMS Excess dietary sodium intake and retention lead to hypertension. Impaired dermal lymphangiogenesis and lymphatic dysfunction-mediated sodium and fluid imbalance are pathological mechanisms. The adenosine A2A receptor (A2AR) is expressed in lymphatic endothelial cells (LECs), while the roles and mechanisms of LEC-A2AR in skin lymphangiogenesis during salt-induced hypertension are not clear. METHODS AND RESULTS The expression of LEC-A2AR correlated with lymphatic vessel density in both high-salt diet (HSD)-induced hypertensive mice and hypertensive patients. Lymphatic endothelial cell-specific A2AR knockout mice fed HSD exhibited 17 ± 2% increase in blood pressure and 17 ± 3% increase in Na+ content associated with decreased lymphatic density (-19 ± 2%) compared with HSD-WT mice. A2AR activation by agonist CGS21680 increased lymphatic capillary density and decreased blood pressure in HSD-WT mice. Furthermore, this A2AR agonist activated MSK1 directly to promote VEGFR2 activation and endocytosis independently of VEGF as assessed by phosphoprotein profiling and immunoprecipitation assays in LECs. VEGFR2 kinase activity inhibitor fruquintinib or VEGFR2 knockout in LECs but not VEGF-neutralizing antibody bevacizumab suppressed A2AR activation-mediated decrease in blood pressure. Immunostaining revealed phosphorylated VEGFR2 and MSK1 expression in the LECs were positively correlated with skin lymphatic vessel density and A2AR level in hypertensive patients. CONCLUSION The study highlights a novel A2AR-mediated VEGF-independent activation of VEGFR2 signaling in dermal lymphangiogenesis and sodium balance, which might be a potential therapeutic target in salt-sensitive hypertension.
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Affiliation(s)
- Tao Zhuang
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, 138 Yi-Xue-Yuan Road, Shanghai 200032, China
| | - Yu Lei
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, 138 Yi-Xue-Yuan Road, Shanghai 200032, China
| | - Jin-Jia Chang
- Department of Gastrointestinal Medical Oncology, Fudan University Shanghai Cancer Center, 270 Dong-An Road, Shanghai 200032, China
| | - Yan-Ping Zhou
- Department of Radiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pu-Jian Road, Shanghai 200032, China
| | - Yan Li
- Department of Cardiology, RuiJin Hospital/LuWan Branch, Shanghai Jiao Tong University School of Medicine, 149 Chong-Qing-Nan Road, Shanghai 200032, China
| | - Yan-Xiu Li
- Department of Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, 300 Guang-Zhou Road, Nanjing 210000, China
| | - Yong-Feng Yang
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, 138 Yi-Xue-Yuan Road, Shanghai 200032, China
| | - Mei-Hua Chen
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, 138 Yi-Xue-Yuan Road, Shanghai 200032, China
| | - Ting Meng
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, 138 Yi-Xue-Yuan Road, Shanghai 200032, China
| | - Shi-Man Fu
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, 138 Yi-Xue-Yuan Road, Shanghai 200032, China
| | - Li-Hao Huang
- Department of Chemistry and Institute of Metabolism and Integrative Biology, Shanghai Key Laboratory of Metabolic Remodeling and Health, Fudan University, 38 Yi-Xue-Yuan Road, Shanghai 200032, China
| | - Wai-San Cheang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Long-Ma Road, Macau 999078, China
| | - John P Cooke
- Department of Cardiovascular Sciences, Center for Cardiovascular Regeneration, Houston Methodist Research Institute, Houston, TX 77030, USA
| | - Zhi-Hui Dong
- Department of Vascular Surgery, Zhongshan Hospital, and Center for Vascular Surgery and Wound Care, Jinshan Hospital, Fudan University, 180 Feng-Lin Road, Shanghai 200032, China
| | - Ying-Nan Bai
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, 180 Feng-Lin Road, Shanghai 200032, China
| | - Cheng-Chao Ruan
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, and Jinshan Hospital, Fudan University, 138 Yi-Xue-Yuan Road, Shanghai 200032, China
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Chen J, Meng T, Xu J, Ooi JD, Eggenhuizen PJ, Liu W, Li F, Wu X, Sun J, Zhang H, Zhou YO, Luo H, Xiao X, Pei Y, Li W, Zhong Y. Development of a radiomics nomogram to predict the treatment resistance of Chinese MPO-AAV patients with lung involvement: a two-center study. Front Immunol 2023; 14:1084299. [PMID: 37503353 PMCID: PMC10369051 DOI: 10.3389/fimmu.2023.1084299] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 06/19/2023] [Indexed: 07/29/2023] Open
Abstract
Background Previous studies from our group and other investigators have shown that lung involvement is one of the independent predictors for treatment resistance in patients with myeloperoxidase (MPO)-anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (MPO-AAV). However, it is unclear which image features of lung involvement can predict the therapeutic response in MPO-AAV patients, which is vital in decision-making for these patients. Our aim was to develop and validate a radiomics nomogram to predict treatment resistance of Chinese MPO-AAV patients based on low-dose multiple slices computed tomography (MSCT) of the involved lung with cohorts from two centers. Methods A total of 151 MPO-AAV patients with lung involvement (MPO-AAV-LI) from two centers were enrolled. Two different models (Model 1: radiomics signature; Model 2: radiomics nomogram) were built based on the clinical and MSCT data to predict the treatment resistance of MPO-AAV with lung involvement in training and test cohorts. The performance of the models was assessed using the area under the curve (AUC). The better model was further validated. A nomogram was constructed and evaluated by DCA and calibration curves, which further tested in all enrolled data and compared with the other model. Results Model 2 had a higher predicting ability than Model 1 both in training (AUC: 0.948 vs. 0.824; p = 0.039) and test cohorts (AUC: 0.913 vs. 0.898; p = 0.043). As a better model, Model 2 obtained an excellent predictive performance (AUC: 0.929; 95% CI: 0.827-1.000) in the validation cohort. The DCA curve demonstrated that Model 2 was clinically feasible. The calibration curves of Model 2 closely aligned with the true treatment resistance rate in the training (p = 0.28) and test sets (p = 0.70). In addition, the predictive performance of Model 2 (AUC: 0.929; 95% CI: 0.875-0.964) was superior to Model 1 (AUC: 0.862; 95% CI: 0.796-0.913) and serum creatinine (AUC: 0.867; 95% CI: 0.802-0.917) in all patients (all p< 0.05). Conclusion The radiomics nomogram (Model 2) is a useful, non-invasive tool for predicting the treatment resistance of MPO-AAV patients with lung involvement, which might aid in individualizing treatment decisions.
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Affiliation(s)
- Juan Chen
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jia Xu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Joshua D. Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Centre for Inflammatory Diseases, Monash University, Clayton, VIC, Australia
| | | | - Wenguang Liu
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fang Li
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xueqin Wu
- Department of Nephrology, The third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jian Sun
- Department of Nephrology, The third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hao Zhang
- Department of Nephrology, The third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ya-Ou Zhou
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, China
| | - Hui Luo
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yigang Pei
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenzheng Li
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Tang R, Jin P, Shen C, Lin W, Yu L, Hu X, Meng T, Zhang L, Peng L, Xiao X, Eggenhuizen P, Ooi JD, Wu X, Ding X, Zhong Y. Single-cell RNA sequencing reveals the transcriptomic landscape of kidneys in patients with ischemic acute kidney injury. Chin Med J (Engl) 2023; 136:1177-1187. [PMID: 37083129 PMCID: PMC10278705 DOI: 10.1097/cm9.0000000000002679] [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: 07/04/2022] [Indexed: 04/22/2023] Open
Abstract
BACKGROUND Ischemic acute kidney injury (AKI) is a common syndrome associated with considerable mortality and healthcare costs. Up to now, the underlying pathogenesis of ischemic AKI remains incompletely understood, and specific strategies for early diagnosis and treatment of ischemic AKI are still lacking. Here, this study aimed to define the transcriptomic landscape of AKI patients through single-cell RNA sequencing (scRNA-seq) analysis in kidneys. METHODS In this study, scRNA-seq technology was applied to kidneys from two ischemic AKI patients, and three human public scRNA-seq datasets were collected as controls. Differentially expressed genes (DEGs) and cell clusters of kidneys were determined. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis, as well as the ligand-receptor interaction between cells, were performed. We also validated several DEGs expression in kidneys from human ischemic AKI and ischemia/reperfusion (I/R) injury induced AKI mice through immunohistochemistry staining. RESULTS 15 distinct cell clusters were determined in kidney from subjects of ischemic AKI and control. The injured proximal tubules (PT) displayed a proapoptotic and proinflammatory phenotype. PT cells of ischemic AKI had up-regulation of novel pro-apoptotic genes including USP47 , RASSF4 , EBAG9 , IER3 , SASH1 , SEPTIN7 , and NUB1 , which have not been reported in ischemic AKI previously. Several hub genes were validated in kidneys from human AKI and renal I/R injury mice, respectively. Furthermore, PT highly expressed DEGs enriched in endoplasmic reticulum stress, autophagy, and retinoic acid-inducible gene I (RIG-I) signaling. DEGs overexpressed in other tubular cells were primarily enriched in nucleotide-binding and oligomerization domain (NOD)-like receptor signaling, estrogen signaling, interleukin (IL)-12 signaling, and IL-17 signaling. Overexpressed genes in kidney-resident immune cells including macrophages, natural killer T (NKT) cells, monocytes, and dendritic cells were associated with leukocyte activation, chemotaxis, cell adhesion, and complement activation. In addition, the ligand-receptor interactions analysis revealed prominent communications between macrophages and monocytes with other cells in the process of ischemic AKI. CONCLUSION Together, this study reveals distinct cell-specific transcriptomic atlas of kidney in ischemic AKI patients, altered signaling pathways, and potential cell-cell crosstalk in the development of AKI. These data reveal new insights into the pathogenesis and potential therapeutic strategies in ischemic AKI.
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Affiliation(s)
- Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Peng Jin
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Chanjuan Shen
- Department of Hematology, The Affiliated Zhuzhou Hospital Xiangya Medical College, Central South University, Zhuzhou, Hunan 412007, China
| | - Wei Lin
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Leilin Yu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Nephrology, Jiujiang Hospital of Traditional Chinese Medicine, Jiujiang, Jiangxi 332099, China
| | - Xueling Hu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Linlin Zhang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Ling Peng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Peter Eggenhuizen
- Department of Medicine, Centre for Inflammatory Diseases, Monash Medical Centre, Monash University, Clayton, VIC 3168, Australia
| | - Joshua D. Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Medicine, Centre for Inflammatory Diseases, Monash Medical Centre, Monash University, Clayton, VIC 3168, Australia
| | - Xueqin Wu
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Xiang Ding
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
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Meng T, Geng Z, Ma F, Liu Y, Xu X, Zhang H. Highly aligned and low tortuosity nanoarray engineering for fast Li-S batteries. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142268] [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: 03/29/2023]
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He XL, Shao B, Huang RK, Dong M, Tong YQ, Luo Y, Meng T, Yang FJ, Zhang Z, Huang J. A Mixed Protonic-Electronic Conductor Base on the Host-Guest Architecture of 2D Metal-Organic Layers and Inorganic Layers. Adv Sci (Weinh) 2023:e2205944. [PMID: 37076939 DOI: 10.1002/advs.202205944] [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: 10/13/2022] [Revised: 03/14/2023] [Indexed: 05/03/2023]
Abstract
The key to designing and fabricating highly efficient mixed protonic-electronic conductors materials (MPECs) is to integrate the mixed conductive active sites into a single structure, to break through the shortcomings of traditional physical blending. Herein, based on the host-guest interaction, an MPEC is consisted of 2D metal-organic layers and hydrogen-bonded inorganic layers by the assembly methods of layered intercalation. Noticeably, the 2D intercalated materials (≈1.3 nm) exhibit the proton conductivity and electron conductivity, which are 2.02 × 10-5 and 3.84 × 10-4 S cm-1 at 100 °C and 99% relative humidity, much higher than these of pure 2D metal-organic layers (>>1.0 × 10-10 and 2.01×10-8 S cm-1 ), respectively. Furthermore, combining accurate structural information and theoretical calculations reveals that the inserted hydrogen-bonded inorganic layers provide the proton source and a networks of hydrogen-bonds leading to efficient proton transport, meanwhile reducing the bandgap of hybrid architecture and increasing the band electron delocalization of the metal-organic layer to greatly elevate the electron transport of intrinsic 2D metal-organic frameworks.
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Affiliation(s)
- Xing-Lu He
- Pharmaceutical College, Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Medical University, 530021, Nanning, P. R. China
| | - Bing Shao
- Pharmaceutical College, Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Medical University, 530021, Nanning, P. R. China
- School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, P. R. China
| | - Rui-Kang Huang
- Research Institute for Electronic Science, Hokkaido University, Sapporo, 001-0021, Japan
| | - Min Dong
- Pharmaceutical College, Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Medical University, 530021, Nanning, P. R. China
| | - Yu-Qing Tong
- School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, P. R. China
| | - Yan Luo
- Pharmaceutical College, Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Medical University, 530021, Nanning, P. R. China
| | - Ting Meng
- Pharmaceutical College, Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Medical University, 530021, Nanning, P. R. China
| | - Fu-Jie Yang
- College Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510275, P. R. China
| | - Zhong Zhang
- School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, P. R. China
| | - Jin Huang
- Pharmaceutical College, Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Medical University, 530021, Nanning, P. R. China
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Liu R, Gan J, Du M, Kong X, Xu C, Lü Y, Cao S, Meng T, Wang B, Yu T. Preparation and Characterization of Multilayer pH-Responsive Hydrogel Loaded Ganoderma lucidum Peptides. Foods 2023; 12:foods12071481. [PMID: 37048304 PMCID: PMC10094239 DOI: 10.3390/foods12071481] [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: 03/01/2023] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
To develop a safe, targeted, and efficient assembly of a stable polypeptide delivery system, in this work, chitosan, sodium alginate, and sodium tripolyphosphate were used as materials for the preparation of hydrogels. M-SCT hydrogels were prepared by ionic gelation and the layer-by-layer (LBL) method. The composite hydrogels exhibited excellent pH sensitivity and Ganoderma lucidum peptides (GLP) loading capacity. The prepared hydrogels were characterized and evaluated. The internal three-dimensional network structure of the hydrogel was observed by scanning electron microscopy (SEM), and Fourier transform infrared (FT-IR) spectroscopy confirmed the electrostatic interactions among the components. X-ray diffraction (XRD) was used to observe the crystal structure of the hydrogel. The maximum peptide encapsulation efficiency was determined to be 81.73%. The digestion stability and thermal stability of M-SCT hydrogels loaded GLP were demonstrated to be improved. The amount of peptides released from the GLP/M-SCT-0.75 hydrogels in simulated gastric fluid was lower than 30%. In addition, the ABTS assays showed that the free radical scavenging ability of the GLP/M-SCT-0.75 hydrogels confirmed the efficacy of the hydrogels in retaining the antioxidant activity of GLP. The study suggested the M-SCT-0.75 hydrogels had a great deal of potential as a peptide carrier for oral delivery.
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Affiliation(s)
- Ruobing Liu
- College of Life Science, Yantai University, Yantai 264000, China
| | - Jing Gan
- College of Life Science, Yantai University, Yantai 264000, China
| | - Mengdi Du
- College of Life Science, Yantai University, Yantai 264000, China
| | - Xiao Kong
- College of Life Science, Yantai University, Yantai 264000, China
| | - Chunxia Xu
- College of Life Science, Yantai University, Yantai 264000, China
| | - Yue Lü
- College of Life Science, Yantai University, Yantai 264000, China
| | - Shengliang Cao
- College of Life Science, Yantai University, Yantai 264000, China
| | - Ting Meng
- College of Life Science, Yantai University, Yantai 264000, China
| | - Bo Wang
- College of Life Science, Yantai University, Yantai 264000, China
| | - Tianying Yu
- College of Life Science, Yantai University, Yantai 264000, China
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Chen Y, Lei P, Geng Y, Meng T, Li X, Zeng Q, Guo Q, Tang A, Zhong Y, Zhou E. Selective fluorination on donor and acceptor for management of efficiency and energy loss in non-fullerene organic photovoltaics. Sci China Chem 2023. [DOI: 10.1007/s11426-022-1514-8] [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: 03/28/2023]
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Jiang W, Liu Z, Wu S, Meng T, Xu LL, Liu JF, Yan XW, Chang C. Neuroprotection of Emodin by Inhibition of Microglial NLRP3 Inflammasome-Mediated Pyroptosis. J Integr Neurosci 2023; 22:48. [PMID: 36992603 DOI: 10.31083/j.jin2202048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/28/2023] [Accepted: 02/02/2023] [Indexed: 03/09/2023] Open
Abstract
BACKGROUND Neuroinflammation triggered by chronic cerebral ischemia-induced microglial pyroptosis is a significant contributor to vascular cognitive impairment. It has been shown that emodin possesses anti-inflammatory and neuroprotective properties, however, it's potential molecular and signaling transduction pathway remains to be illuminated. This study researched the neuroprotective mechanisms of emodin focussing on emodin effects on lipopolysaccharide/adenosine triphosphate (LPS/ATP)-caused pyroptosis in BV2 cells and HT-22 hippocampal neurons. METHODS To explore the neuroprotective effect of emodin, Emodin was applied to BV2 cells, HT-22 hippocampal neurons, and BV2/HT-22 co-cultures stimulated with LPS/ATP to evaluate the cell morphology, levels of inflammatory factors, NLRP3 inflammatory inflammasome activity and focal pyroptosis-related protein expression, as same as neuronal apoptosis. RESULTS Emodin alleviated LPS/ATP-induced pyroptosis of BV2 cells by preventing the activity of the NLRP3 inflammasome and the cleavage of pyroptosis executive protein Gasdermin D (GSDMD). Furthermore, levels of interleukin (IL)-18, IL-1β and tumor necrosis factor (TNF)-α were reduced, the apoptosis of HT-22 hippocampal neurons was attenuated, and cell viability was restored. CONCLUSIONS Emodin can antagonize microglial neurotoxicity by inhibiting microglial pyroptosis, thereby exerting anti-inflammatory and neuroprotective effects.
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Affiliation(s)
- Wen Jiang
- Department of Neurology, Nantong Hospital to Nanjing University of Chinese Medicine, Nantong Hospital of Traditional Chinese Medicine, 226001 Nantong, Jiangsu, China
- Department of Neurology, Affiliated Hospital of Nanjing University of Chinese Medicine, 210004 Nanjing, Jiangsu, China
| | - Zhan Liu
- Department of Physiology, School of Medicine, Nantong University, 226001 Nantong, Jiangsu, China
| | - Shuang Wu
- Department of Acupuncture and Massage, Affiliated Hospital of Nantong University, 226001 Nantong, Jiangsu, China
| | - Ting Meng
- Department of Neurology, Affiliated Hospital of Nanjing University of Chinese Medicine, 210004 Nanjing, Jiangsu, China
| | - Li-Li Xu
- Department of Neurology, Nantong Hospital to Nanjing University of Chinese Medicine, Nantong Hospital of Traditional Chinese Medicine, 226001 Nantong, Jiangsu, China
| | - Jin-Feng Liu
- Department of Neurology, Affiliated Hospital of Nanjing University of Chinese Medicine, 210004 Nanjing, Jiangsu, China
| | - Xi-Wu Yan
- Department of Neurology, Affiliated Hospital of Nanjing University of Chinese Medicine, 210004 Nanjing, Jiangsu, China
| | - Cheng Chang
- Department of Neurology, Affiliated Hospital of Nanjing University of Chinese Medicine, 210004 Nanjing, Jiangsu, China
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Zhang H, Yi Y, Wang Y, Hou H, Meng T, Zhang P, Zhao Y. Pixelated Micropolarizer Array Based on Carbon Nanotube Films. Nanomaterials (Basel) 2023; 13:391. [PMID: 36770352 PMCID: PMC9920055 DOI: 10.3390/nano13030391] [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: 12/29/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
A micropolarizer array (MPA) that can be integrated into a scientific camera is proposed as a real-time polarimeter that is capable of extracting the polarization parameters. The MPA is based on highly aligned carbon nanotube (CNT) films inspired by their typical anisotropy and selectivity for light propagation over a wide spectral range. The MPA contains a dual-tier CNT pixel plane with 0° and 45° orientations. The thickness of the dual-tier structure of the CNT-based MPA is limited to less than 2 μm with a pixel size of 7.45 μm × 7.45 μm. The degree of polarization of the CNT-MPA reached 93% at a 632 nm wavelength. The specific designs in structure and semiconductor fabrication procedures are described. Compared with customary MPAs, CNT-based MPA holds great potential in decreasing the cross-talk risk associated with lower film thickness and can be extended to a wide spectral range.
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Affiliation(s)
- Hui Zhang
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230022, China
- Department of Precision Machinery & Precision Instrumentation, University of Science and Technology of China, Hefei 230022, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230022, China
| | - Yanji Yi
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230022, China
- Department of Precision Machinery & Precision Instrumentation, University of Science and Technology of China, Hefei 230022, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230022, China
| | - Yibin Wang
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230022, China
- Department of Precision Machinery & Precision Instrumentation, University of Science and Technology of China, Hefei 230022, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230022, China
| | - Huwang Hou
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230022, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230022, China
- Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China
| | - Ting Meng
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230022, China
- Department of Precision Machinery & Precision Instrumentation, University of Science and Technology of China, Hefei 230022, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230022, China
| | - Peng Zhang
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230022, China
- Department of Precision Machinery & Precision Instrumentation, University of Science and Technology of China, Hefei 230022, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230022, China
| | - Yang Zhao
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230022, China
- Department of Precision Machinery & Precision Instrumentation, University of Science and Technology of China, Hefei 230022, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230022, China
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Zhang Y, Lei P, Meng T, Deng K, Xiao X, Zeng Q. Coronene guest molecule selectivity in host templates formed by hydrogen bonding and van der Waals forces at liquid/solid interfaces. NEW J CHEM 2023. [DOI: 10.1039/d3nj00382e] [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: 04/05/2023]
Abstract
COR guest molecules are selectively adsorbed in the hexagonal cavities in both H6PDB and H6PAB self-assembled systems and preferentially adsorbed in the H6PAB host template in the H6PAB/HPB system.
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Affiliation(s)
- Yufei Zhang
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo, Zhejiang 315211, China
| | - Peng Lei
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ting Meng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ke Deng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xunwen Xiao
- School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo, Zhejiang 315211, China
| | - Qingdao Zeng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Kang M, Long T, Chang C, Meng T, Ma H, Li Z, Li P, Chen Y. A Review of the Ethical Use of Animals in Functional Experimental Research in China Based on the "Four R" Principles of Reduction, Replacement, Refinement, and Responsibility. Med Sci Monit 2022; 28:e938807. [PMID: 36575635 PMCID: PMC9806933 DOI: 10.12659/msm.938807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Use of live laboratory animals is essential in the process of functional experimentation teaching. There are ethical problems, such as poor experimental environment, non-standard operation, and neglect of animal rights in experimental teaching. As an important basic course in life science education, functional experimentation should establish the correct ethics of use of laboratory animals. The welfare of laboratory animals has become one of the frontier directions of medical ethics research. The "4R" principle of animal welfare is based on the principles of reduction, replacement, refinement, and responsibility, which may provide a way to solve ethical problems in the teaching and research activities of functional experimentation. In addition to receiving relevant knowledge and education, laboratory animal practitioners and students in functional experimentation teaching should consciously abide by relevant regulations and rules and actively follow the "4R" principles. Animal ethics education is reflected in all teaching and research activities. Based on the principle of "4R" and the premise of guaranteeing teaching objectives, virtual simulation experiment teaching is a great supplement to functional experimentation. In teaching, medical ethics education should be strengthened to cultivate the consciousness of respecting the life of experimental animals, and awareness of laboratory animal ethics should be improved among teachers and students of functional experimentation to further promote ideological and political education in colleges and universities. This brief summary analyzes the general situation of animal ethics in functional experimentation in China based on the principle of "4R" and provides certain references and support for course teaching and training.
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Affiliation(s)
- Meili Kang
- Department of Central Laboratory, Xi’an Peihua University, Xi’an, Shaanxi, PR China
| | - Tianlin Long
- Department of Neurosurgery, Bijie Traditional Chinese Medicine Hospital, Bijie, Guizhou, PR China
| | - Cuicui Chang
- Department of Central Laboratory, Xi’an Peihua University, Xi’an, Shaanxi, PR China
| | - Ting Meng
- Department of Central Laboratory, Xi’an Peihua University, Xi’an, Shaanxi, PR China
| | - Huaifen Ma
- Department of Central Laboratory, Xi’an Peihua University, Xi’an, Shaanxi, PR China
| | - Zemeng Li
- Department of Central Laboratory, Xi’an Peihua University, Xi’an, Shaanxi, PR China
| | - Ping Li
- Department of Clinical Medicine, Bijie Medical College, Bijie, Guizhou, PR China
| | - Yuhua Chen
- Department of Central Laboratory, Xi’an Peihua University, Xi’an, Shaanxi, PR China,Department of Neurosurgery, Bijie Traditional Chinese Medicine Hospital, Bijie, Guizhou, PR China
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Zhang M, Ma Z, Wang X, Meng T, Li X. Design of Longitudinal-Torsional Transducer and Directivity Analysis during Ultrasonic Vibration-Assisted Milling of Honeycomb Aramid Material. Micromachines (Basel) 2022; 13:2154. [PMID: 36557453 PMCID: PMC9781628 DOI: 10.3390/mi13122154] [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: 11/14/2022] [Revised: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
This paper presents a longitudinal-torsional transducer for use during the ultrasonic vibration-assisted milling (UVAM) of honeycomb aramid material. The mechanism of longitudinal-torsional conversion was analyzed to guide the design of a vibration transducer. The transducer features five spiral grooves around the front cover plate, which function under the excitation of a group of longitudinal piezoelectric ceramics. A portion of the longitudinal vibration was successfully converted into torsional vibration. The resonant frequency, longitudinal vibration displacement and torsional amplitude at the top of the disk milling cutter were 24,609 Hz, 19 μm and 9 μm, respectively. In addition, the directivity of the longitudinal-torsional transducer was theoretically analyzed. Compared with conventional milling, UVAM with the longitudinal-torsional could significantly reduce the cutting force (40-50%) and improve the machining stability.
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Affiliation(s)
- Mingxing Zhang
- Engineering Training Center, Changchun University of Technology, Changchun 130012, China
| | - Zuotian Ma
- School of Mechanical and Electrical Engineering, Changchun University of Technology, Changchun 130012, China
| | - Xiaodong Wang
- Engineering Training Center, Changchun University of Technology, Changchun 130012, China
| | - Ting Meng
- Changchun Yidong Clutch Co., Ltd., Changchun 130012, China
| | - Xiangqun Li
- School of Mechanical and Electrical Engineering, Changchun University of Technology, Changchun 130012, China
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Hu X, Shen C, Meng T, Ooi JD, Eggenhuizen PJ, Zhou YO, Luo H, Chen JB, Lin W, Gong Y, Xiong Q, Xu J, Liu N, Xiao X, Tang R, Zhong Y. Clinical features and prognosis of MPO-ANCA and anti-GBM double-seropositive patients. Front Immunol 2022; 13:991469. [PMID: 36389826 PMCID: PMC9648717 DOI: 10.3389/fimmu.2022.991469] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 10/07/2022] [Indexed: 10/03/2023] Open
Abstract
BACKGROUND Several lines of evidence implicate that there are distinct differences between patients with myeloperoxidase (MPO)-antineutrophil cytoplasmic antibody (ANCA) and anti-glomerular basement membrane (GBM) antibody double-seropositive patients (DPPs) and single-positive patients. Hence, we conducted a retrospective study from a single center in China to analyze the clinical and pathological features, and prognosis of DPPs. METHODS 109 patients with MPO-ANCA-associated vasculitis (MPO-AAV), 20 DPPs and 23 patients diagnosed with anti-GBM disease from a large center in China were included in this study. The ratio of patients with renal biopsy in three groups were 100%, 50% and 100%, respectively. Their clinical and pathological characteristics, and outcomes were analyzed. The intensity of immune deposits in the kidney at diagnosis was detected by immunofluorescence (IF). Furthermore, multivariate Cox hazard model analysis was used to assess the clinical and histological predictors of end-stage renal disease (ESRD) and death for DPPs. RESULTS In our study, we found that patients in the DPPs group were older than the other two groups (p = 0.007, MPO-AAV vs. DPPs; p < 0.001, DPPs vs. anti-GBM). The DPPs group had a higher value of serum creatinine (p = 0.041) and lower estimated glomerular filtration rate (eGFR) (p = 0.032) compared with MPO-AAV patients. On the contrary, the DPPs group had a lower serum creatinine (p = 0.003) compared with patients with anti-GBM group. The proportion of patients with cardiac system involvement in the DPPs group was higher than anti-GBM patients (p = 0.014). Cellular crescents could be generally observed in renal biopsy of DPPs and patients with anti-GBM glomerulonephritis. In addition, Bowman's capsule rupture was more common in DPPs than MPO-AAV patients (p = 0.001). MPO-AAV had a better renal and overall survival outcome than DPPs (p < 0.001). There was no significant difference of renal and overall survival outcome between DPPs and patients with anti-GBM disease. The incidence of ESRD in DPPs was negatively associated with lymphocyte count (HR 0.153, 95% CI 0.027 to 0.872, p = 0.034) and eGFR (HR 0.847, 95% CI 0.726 to 0.989, p = 0.036). Elevated serum creatinine was confirmed as a risk factor of both renal (HR 1.003, 95% CI 1.000 to 1.005, p = 0.019) and patient survival in DPPs (HR1.461, 95% CI 1.050 to 2.033, p = 0.024). CONCLUSION In summary, compared with anti-GBM disease, DPPs tended to involve multi-organ damage rather than limited to the kidney. It is highlighted that serologic DPPs have a worse renal and patient prognosis than MPO-AAV. Moreover, we found that the risk factors of renal survival of DPPs include low lymphocyte count, elevated serum creatinine and reduced eGFR, and serum creatinine can predict patient survival.
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Affiliation(s)
- Xueling Hu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Chanjuan Shen
- Department of Hematology, The Affiliated Zhuzhou Hospital of Xiangya Medical College, Central South University, Zhuzhou, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Joshua D. Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
- Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Monash University, Clayton, VIC, Australia
| | - Peter J. Eggenhuizen
- Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Monash University, Clayton, VIC, Australia
| | - Ya-ou Zhou
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, China
| | - Hui Luo
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, China
| | - Jin-biao Chen
- Department of Medical Records and Information, Xiangya Hospital, Central South University, Changsha, China
| | - Wei Lin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Yizi Gong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Qi Xiong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Jia Xu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Ning Liu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
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Lu H, Meng T, You Y, Liu Y, He K, Kan Y, Zhang H. PHANTOM EXPERIMENTAL STUDY ON PATIENT DOSES OBTAINED FROM 320-MULTIDETECTOR-ROW COMPUTED TOMOGRAPHY IN WHOLE-BRAIN PERFUSION SCAN. Radiat Prot Dosimetry 2022; 198:1424-1434. [PMID: 36125221 DOI: 10.1093/rpd/ncac178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 06/28/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
This study aimed to precisely evaluate organ dose and effective dose (E) obtained from a 320-multidetector-row computed tomography (CT) scanner in brain perfusion scans and to estimate the conversion factor (k) between E and dose length product (DLP). A total of 270 thermoluminescent dosemeters were implanted in a male anthropomorphic phantom to measure air kerma. The ratios of mass-energy absorption coefficients were used to convert air kerma into organ doses. The organ doses ranged from 0.01 to 150 mGy. Doses in brain, salivary glands and red bone marrow were relatively high, and dose in eye lens reached about 110 mGy. The resulting effective dose was 5.30 mSv. The resulting conversion factor k = (0.0022 ± 0.0002) mSv·(mGy·cm)-1 was not significantly different from that of 0.0021 mSv·(mGy·cm)-1 reported for head CT scan in ICRP Publication 102.
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Affiliation(s)
- Heqing Lu
- Department of Medical Equipment, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Ting Meng
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yang You
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Ying Liu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Kai He
- Department of Logistics Support, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Yandong Kan
- Department of Logistics Support, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Haowei Zhang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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Yu B, Meng T, Ding X, Liu X, Wang H, Chen B, Zheng T, Li W, Zeng Q, Jiang J. Hydrogen‐Bonded Organic Framework Ultrathin Nanosheets for Efficient Visible‐Light Photocatalytic CO
2
Reduction. Angew Chem Int Ed Engl 2022; 61:e202211482. [DOI: 10.1002/anie.202211482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Baoqiu Yu
- Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of Chemistry and Chemical Engineering School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083 China
| | - Ting Meng
- CAS Key laboratory of standardization and Measurement for Nanotechnology CAS Center for Excellence in nanoscience National Center for Nanoscience and Technology (NCNST) Beijing 100190 China
| | - Xu Ding
- Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of Chemistry and Chemical Engineering School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083 China
| | - Xiaolin Liu
- Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of Chemistry and Chemical Engineering School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083 China
| | - Hailong Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of Chemistry and Chemical Engineering School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083 China
| | - Baotong Chen
- Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of Chemistry and Chemical Engineering School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083 China
| | - Tianyu Zheng
- Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of Chemistry and Chemical Engineering School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083 China
| | - Wen Li
- Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of Chemistry and Chemical Engineering School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083 China
| | - Qingdao Zeng
- CAS Key laboratory of standardization and Measurement for Nanotechnology CAS Center for Excellence in nanoscience National Center for Nanoscience and Technology (NCNST) Beijing 100190 China
| | - Jianzhuang Jiang
- Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials Department of Chemistry and Chemical Engineering School of Chemistry and Biological Engineering University of Science and Technology Beijing Beijing 100083 China
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Chai D, Meng T, Zhang D. Influence of Food Safety Concerns and Satisfaction with Government Regulation on Organic Food Consumption of Chinese Urban Residents. Foods 2022; 11:foods11192965. [PMID: 36230045 PMCID: PMC9564008 DOI: 10.3390/foods11192965] [Citation(s) in RCA: 4] [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: 08/10/2022] [Revised: 09/07/2022] [Accepted: 09/19/2022] [Indexed: 11/23/2022] Open
Abstract
In order to study the impact of food safety concerns and government regulation on Chinese urban residents’ organic food consumption willingness and behavior, an “online + offline” survey of 799 urban residents in Beijing has been conducted. Based on the theory of planned behavior, a structural equation model (SEM) was established and the government’s food production support regulation (GP) and sales guarantee regulation (GC) were incorporated separately into the SEM as moderator variables. The path influence coefficients of respondents’ food safety concerns, subjective norms, and perceived behavioral control on organic food consumption willingness were 0.065 (p < 0.05), 0.174 (p < 0.01) and 0.574 (p < 0.01), respectively. The influence of GP on organic food consumption willingness was 0.243 (p < 0.01), but its moderating effect on the promotion effect of food safety concerns and attitude to organic food consumption willingness was −0.001 (p < 0.01). The moderating effect of GC on the transformation from consumption willingness to behavior was 0.083 (p < 0.05). The results show that respondents attach the most importance to the comparison of costs and the benefits of organic food. Although the government’s food production regulation will weaken the driving effect of food safety concern and benefit perception of organic food consumption willingness, it will still promote organic food consumption willingness on the whole. The government’s supervision of food processing and sales is conducive to the occurrence of organic food consumption behavior.
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Affiliation(s)
- Duo Chai
- School of Government, Central University of Finance and Economics, Beijing 100081, China
| | - Ting Meng
- Academy of Global Food Economics and Policy, Beijing Food Safety Policy and Strategy Research Base, College of Economics and Management, China Agricultural University, Beijing 100083, China
| | - Dong Zhang
- School of Public Administration and Policy, Renmin University of China, Beijing 100872, China
- Correspondence:
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Yu B, Meng T, Ding X, Liu X, Wang H, Chen B, Zheng T, Li W, Zeng Q, Jiang J. Hydrogen‐Bonded Organic Framework Ultrathin Nanosheets for Efficient Visible Light Photocatalytic CO2 Reduction. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202211482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Baoqiu Yu
- University of Science and Technology Beijing Chemistry 100083 Beijing CHINA
| | - Ting Meng
- NCNST: National Center for Nanoscience and Technology NCNST Beijing CHINA
| | - Xu Ding
- University of Science and Technology Beijing Chemistry Beijing CHINA
| | - Xiaolin Liu
- University of Science and Technology Beijing Chemistry 100083 Beijing CHINA
| | - Hailong Wang
- University of Science and Technology Beijing Chemistry 100083 Beijing CHINA
| | - Baotong Chen
- University of Science and Technology Beijing Chemistry 100083 Beijing CHINA
| | - Tianyu Zheng
- University of Science and Technology Beijing Chemistry 100083 Beijing CHINA
| | - Wen Li
- University of Science and Technology Beijing Chemistry 100083 Beijing CHINA
| | - Qingdao Zeng
- NCNST: National Center for Nanoscience and Technology NCNST Beijing CHINA
| | - Jianzhuang Jiang
- University of Science and Technology Beijing Chemistry Xueyuan Road 30 100083 Beijing CHINA
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Shao B, Chen X, Xu YT, Li GQ, Zhong JP, Meng T, Zhang Z, Huang FP, Huang J. Low-potential-driven electrocatalytic reduction of CO2 to hydrocarbons by cobalt-based metal-organic nanosheets. J Catal 2022. [DOI: 10.1016/j.jcat.2022.06.018] [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: 11/25/2022]
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Meng T, Lei P, Zhang Y, Deng K, Xiao X, Zeng Q. Coronene and bipyridine derivatives inducing diversified structural transitions of carboxylic acids at the liquid/solid interface. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ting Meng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) Beijing 100190 China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences Beijing 100049 China
- College of Materials and Chemical Engineering Ningbo University of Technology Ningbo 315211 China
| | - Peng Lei
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) Beijing 100190 China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences Beijing 100049 China
| | - Yufei Zhang
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) Beijing 100190 China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences Beijing 100049 China
| | - Ke Deng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) Beijing 100190 China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences Beijing 100049 China
| | - Xunwen Xiao
- College of Materials and Chemical Engineering Ningbo University of Technology Ningbo 315211 China
| | - Qingdao Zeng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) Beijing 100190 China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences Beijing 100049 China
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Wang W, Lu Y, Hu X, Li H, Li X, Xiao C, Meng T, Peng L, Gan L, Zhou Q, Xiao P, Tang R. Interleukin-22 exacerbates angiotensin II-induced hypertensive renal injury. Int Immunopharmacol 2022; 109:108840. [PMID: 35567856 DOI: 10.1016/j.intimp.2022.108840] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/25/2022] [Accepted: 05/03/2022] [Indexed: 11/05/2022]
Abstract
Hypertensive renal injury (HRI) is a main cause of end-stage renal diseases, and CD4+ T cells and the secreted inflammatory cytokines contribute to the progress of HRI. However, the exact mechanisms remain unidentified in HRI, and there is still a shortage of effective treatments. Here, we aim to explore the role of interleukin-22 (IL-22) and its underlying mechanism in HRI. Serum IL-22 level and peripheral Th22 cells frequency in patients with HRI were detected by ELISA and flow cytometry respectively. Angiotension II (Ang II) was infused subcutaneously to C57BL/6 mice for 28 days. Hypertensive mice were treated with recombinant IL-22 (rIL-22), anti-IL-22 antibody, or JAK2/STAT3 pathway blocker AG-490 respectively. Blood pressure (BP), urinary albumin/creatinine ratio (UACR), serum creatinine (Scr) and renal histopathology were measured; renal Th22 cells proportion were evaluated; inflammatory factors were evaluated by ELISA; JAK2/STAT3 pathway and fibrosis related factors expression in kidney were detected by Western blot. Serum IL-22 and Th22 cells proportion in kidney of mice were elevated after Ang II infusion. Compared to Ang II-infused mice, treatment with rIL-22 resulted in further increased UACR, Scr, renal pathological damage, inflammation and renal fibrosis, accompanied by elevated BP and JAK2/STAT3 pathway activation. Conversely, anti-IL-22 antibody reduced inflammation, renal fibrosis and BP in Ang II treated mice. AG490 could compromised the above effects of rIL-22. Taken together, recombinant IL-22 may aggravate hypertensive renal damage mediated by Ang II in mice, which may be through promoting JAK2/STAT3 pathway activation. Anti-IL-22 antibody exerts the opposite effects. These data suggest the IL-22 signaling maybe a novel therapeutic target for the treatment of hypertensive renal injury.
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Affiliation(s)
- Wei Wang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yang Lu
- Department of Nephrology, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Xueling Hu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Huihui Li
- Department of Nephrology, Chongqing City Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Xiaozhao Li
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Chenggen Xiao
- Department of Emergency, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ling Peng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lu Gan
- Department of Nephrology, First People's Hospital of Yunnan, Kunming, Yunnan, China
| | - Qiaoling Zhou
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ping Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Gao HF, Meng T, Xiong Q, Zhang HY, Qiu JZ, Lin WX, Zhang LY. [Changes in physicochemical property and microbial community of Pseudostellaria heterophylla soil at diffe-rent fallow ages]. Ying Yong Sheng Tai Xue Bao 2022; 33:2196-2204. [PMID: 36043827 DOI: 10.13287/j.1001-9332.202208.029] [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] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Pseudostellaria heterophylla is authentic traditional Chinese herbal medicine in Fujian Province. P. hete-rophylla suffers from serious consecutive monoculture problems. Fallow can alleviate such problems, but the mecha-nism is still unclear. In this study, high-throughput sequencing was performed to analyze the changes in soil microbial community structure and diversity in the P. heterophylla soil at different fallow ages as well as their relationships with soil physicochemical properties and phenolic acids. The results showed that fungal community diversity decreased but bacterial community diversity increased in fallow soils compared with the control soil of P. heterophy-lla. For bacterial communities, the relative abundance of Acidobacteria increased, while that of Proteobacteria and Actinobacteria decreased in fallow soils. For fungal communities, the relative abundance of dominant phyla had no significant difference between fallow and control soils. Soil acidity and organic matter content showed a trend of weakening and decreasing, respectively, with the increases of fallow years. In addition, with the increases of fallow years, the content of phenolic acids in soil, including benzoic acid and salicylic acid, showed significant decrease, while some other phenolic acids such as p-coumaric acid were accumulated obviously. Taken together, fallow could efficiently ameliorate the structure of soil microbial community and soil properties of P. heterophylla, and thus alleviate the effects of continuous cropping.
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Affiliation(s)
- Hui-Fang Gao
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ting Meng
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Qi Xiong
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Hong-Yu Zhang
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jun-Zhi Qiu
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Wen-Xiong Lin
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Liao-Yuan Zhang
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Yu L, Lin W, Shen C, Meng T, Jin P, Ding X, Eggenhuizen PJ, Ooi JD, Tang R, Nie W, Li X, Xiao X, Zhong Y. Intrarenal Single-Cell Sequencing of Hepatitis B Virus Associated Membranous Nephropathy. Front Med (Lausanne) 2022; 9:869284. [PMID: 35935760 PMCID: PMC9355751 DOI: 10.3389/fmed.2022.869284] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/30/2022] [Indexed: 11/30/2022] Open
Abstract
To date, the pathogenesis of hepatitis B virus (HBV)-associated membranous nephropathy (MN) remains elusive. This study aimed to decipher the etiopathogenesis of HBV-associated MN by performing single-cell RNA sequencing (scRNA-seq) of kidney biopsy specimens from a patient with HBV-associated MN and two healthy individuals. We generated 4,114 intrarenal single-cell transcriptomes from the HBV-associated MN patient by scRNA-seq. Compared to healthy individuals, podocytes in the HBV-associated MN patient showed an increased expression of extracellular matrix formation-related genes, including HSPA5, CTGF, and EDIL3. Kidney endothelial cells (ECs) in the HBV-associated MN were enriched in inflammatory pathways, including NF-kappa B signaling, IL-17 signaling, TNF signaling and NOD-like receptor signaling. Gene ontology (GO) functional enrichment analysis and Gene Set Variation Analysis (GSVA) further revealed that differentially expressed genes (DEGs) of ECs from the HBV-associated MN patients were enriched in apoptotic signaling pathway, response to cytokine and leukocyte cell-cell adhesion. The up-regulated DEGs in glomerular ECs of HBV-associated MN patients were involved in biological processes such as viral gene expression, and protein targeting to endoplasmic reticulum. We further verified that the overexpressed genes in ECs from HBV-associated MN were mainly enriched in regulation of protein targeting to endoplasmic reticulum, exocytosis, viral gene expression, IL-6 and IL-1 secretion when compared with anti-phospholipase A2 receptor (PLA2R)-positive idiopathic membranous nephropathy (IMN). The receptor-ligand crosstalk analysis revealed potential interactions between endothelial cells and other cells in HBV-associated-MN. These results offer new insight into the pathogenesis of HBV-associated MN and may identify new therapeutic targets for HBV-associated MN.
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Affiliation(s)
- Leilin Yu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Jiujiang Traditional Medicine Hospital, Jiujiang, China
| | - Wei Lin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Chanjuan Shen
- Department of Hematology, The Affiliated Zhuzhou Hospital Xiangya Medical College, Central South University, Changsha, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Peng Jin
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Ding
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, China
| | | | - Joshua D. Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Centre for Inflammatory Diseases, Monash University, Clayton, VIC, Australia
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Wannian Nie
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xia Li
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
- Xiangcheng Xiao
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yong Zhong
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Yan Q, Meng T, Luo W, Sun L, Zeng Q, Xu H. Co-assembly Behaviors of Flavonol Derivatives Induced by a Pyridine Derivative on HOPG via Hydrogen Bonding and Van der Waals Forces. Langmuir 2022; 38:8651-8656. [PMID: 35797253 DOI: 10.1021/acs.langmuir.2c01076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this paper, two new flavonol derivatives, 2-(4-(dodecyloxy)phenyl)-3-hydroxyflavone (DHF) and 2-(3,5-bis(dodecyloxy)phenyl)-3-hydroxyflavone (BDHF), were synthesized to investigate the respective self-assembly behaviors at the liquid/solid interface by scanning tunneling microscopy. In addition, a linear pyridine derivative with acetylene groups called BisPy was added to regulate the assembly of DHF and BDHF, individually. However, only BDHF molecules successfully co-assembled into grid structures with BisPy molecules. Furthermore, the assembly and co-assembly behavior mechanism of flavonol derivatives and BisPy molecules were further studied by density functional theory calculations. This work will lay a foundation for investigating the self-assembly of flavonol derivatives and the co-assembly regulated by pyridine derivatives at the liquid-solid interface.
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Affiliation(s)
- Qi Yan
- Jiangsu Co-innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Ting Meng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wendi Luo
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Sun
- Jiangsu Co-innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Qingdao Zeng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Haijun Xu
- Jiangsu Co-innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453002, China
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Lei P, Feng Y, Meng T, Zhang Y, Xiao X, Deng K, Liu Y, Zeng Q. Effects of functional groups and side chains on assembly of "X"-shaped new aggregation-induced emission molecules. J Colloid Interface Sci 2022; 623:238-246. [PMID: 35588631 DOI: 10.1016/j.jcis.2022.05.021] [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: 01/13/2022] [Revised: 04/19/2022] [Accepted: 05/04/2022] [Indexed: 11/24/2022]
Abstract
The self-assembly properties of aggregation-induced emission molecules play important roles in electroluminescence devices and fluorescence sensors because noncovalent interactions in self-assembly structures would accelerate the excitation energy consumption. However, there are only few studies to explore their self-assembly properties on the interface and there is still a great need for further understanding self-assembled mechanisms from the viewpoint of molecular design. Here, we presented three X-shaped aggregation-induced emission molecules X1, X2 and X3, which decorated with different functional groups and alkyl side chains. The self-assembly structures were revealed by scanning tunneling microscopy technique in combination with density functional theory. Results showed that X-shaped molecules self-assembled into different structures, depending on their molecular structure, especially the functional groups. Furthermore, self-assembly structures could be regulated by adjusting solution concentration. In more detail, parallel with gradually increasing solution concentration, the molecules approached closer and molecule-molecule interactions were enhanced, finally resulting in new nanostructures. The self-assembly properties of three X-shaped aggregation-induced emission molecules on the liquid/solid interface would give a guidance for further exploring the aggregation state in three-dimensional space. Meanwhile, the two-dimensional nanostructures might show special properties, which could be used in fabricating next generation functional films.
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Affiliation(s)
- Peng Lei
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China; Center of Materials Science and Optoelectonics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China; College of Material Science and Chemical Engineering, Ningbo, University of Technology, 201 Fenghua Road, Ningbo 315211, China
| | - Yang Feng
- Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Ting Meng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China; Center of Materials Science and Optoelectonics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yufei Zhang
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China; Center of Materials Science and Optoelectonics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xunwen Xiao
- College of Material Science and Chemical Engineering, Ningbo, University of Technology, 201 Fenghua Road, Ningbo 315211, China
| | - Ke Deng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China.
| | - Yi Liu
- Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China.
| | - Qingdao Zeng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China; Center of Materials Science and Optoelectonics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China.
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Lin Q, Cai Y, Yu C, Gu W, Tan Y, Wang L, Chen A, Cheng K, Meng T, Li X. Effects of Wearing Face Masks on Exercise Capacity and Ventilatory Anaerobic Threshold in Healthy Subjects During the COVID-19 Epidemic. Med Sci Monit 2022; 28:e936069. [PMID: 35644936 PMCID: PMC9165421 DOI: 10.12659/msm.936069] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background Material/Methods Results Conclusions
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Affiliation(s)
- Qiang Lin
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Yuxing Cai
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Changjun Yu
- Department of Rehabilitation Medicine, First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Wei Gu
- Department of Respiratory and Critical Care Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Yan Tan
- Department of Respiratory and Critical Care Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Li Wang
- Department of Respiratory and Critical Care Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Anliang Chen
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Kai Cheng
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Ting Meng
- The First Clinical Medical College of Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu, China (mainland)
| | - Xueping Li
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
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Peng X, Meng T, Wang L, Cheng L, Zhai W, Deng K, Ma CQ, Zeng Q. Self-assembled nanostructures of a series of linear oligothiophene derivatives adsorbed on surfaces. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.05.082] [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: 11/16/2022]
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Meng T, Lu Y, Lei P, Li S, Deng K, Xiao X, Ogino K, Zeng Q. Self-Assembly of Triphenylamine Macrocycles and Co-assembly with Guest Molecules at the Liquid-Solid Interface Studied by STM: Influence of Different Side Chains on Host-Guest Interaction. Langmuir 2022; 38:3568-3574. [PMID: 35276043 DOI: 10.1021/acs.langmuir.2c00188] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The side chains of macrocyclic molecules have a non-negligible effect on the two-dimensional (2D) supramolecular networks at the liquid-solid interface. In this study, we investigate the self-assembly behaviors of two conjugated triphenylamine macrocycles modified with different alkyl chains and construct the host-guest supramolecular nanopatterns on the highly oriented pyrolytic graphite with a scanning tunneling microscope. In combination with density functional theory calculations, how different side chains affect the host-guest interaction is discussed. This work provides insights into constructing a 2D host-guest dynamic co-assembly on the surface.
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Affiliation(s)
- Ting Meng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo 315211, China
| | - Yingbo Lu
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Peng Lei
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shijun Li
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Ke Deng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xunwen Xiao
- School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo 315211, China
| | - Kenji Ogino
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Qingdao Zeng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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Huang L, Shen C, Zhong Y, Ooi JD, Eggenhuizen PJ, Zhou Y, Chen J, Wu T, Meng T, Xiao Z, Lin W, Tang R, Ao X, Xiao X, Zhou Q, Xiao P. High levels of platelet -to -lymphocyte ratio may predict reduced risk of end stage of renal disease in Chinese patients with MPO -ANCA associated vasculitis. Zhong Nan Da Xue Xue Bao Yi Xue Ban 2022; 47:211-218. [PMID: 35545411 PMCID: PMC10930527 DOI: 10.11817/j.issn.1672-7347.2022.210082] [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] [Received: 02/05/2021] [Indexed: 06/15/2023]
Abstract
OBJECTIVES Platelet-to-lymphocyte ratio (PLR) has recently been investigated as a new inflammatory marker in many inflammatory diseases, including systemic lupus erythematosus and immunoglobulin A vasculitis. However, there were very few reports regarding the clinical role of PLR in patients with anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis. This study was thus undertaken to investigate the relationship between inflammatory response and disease activity in Chinese patients with myeloperoxidase-anti-neutrophil cytoplasmic antibody (MPO-ANCA) associated vasculitis. Furthermore, we evaluated whether PLR predicts the progression of end stage of renal disease (ESRD) and all-cause mortality. METHODS The clinical, laboratory and pathological data, and the outcomes of MPO-ANCA associated vasculitis patients were collected. The Spearman correlation coefficient was computed to examine the association between 2 continuous variables. Cox regression analysis was used to estimate the association between PLR and ESRD or all-cause mortality. RESULTS A total of 190 consecutive patients with MPO-ANCA associated vasculitis were included in this study. Baseline PLR was positively correlated with CRP (r=0.333, P<0.001) and ESR (r=0.218, P=0.003). PLR had no obvious correlation with Birmingham Vasculitis Activity Score (BVAS). Patients having PLR≥330 exhibited better cumulative renal survival rates than those having PLR<330 (P=0.017). However, there was no significant difference in the cumulative patient survival rates between patients with PLR≥330 and those with PLR<330 at diagnosis (P>0.05). In multivariate analysis, PLR is associated with the decreased risk of ESRD (P=0.038, HR=0.518, 95% CI 0.278 to 0.963). We did not find an association between PLR with all-cause mortality using multivariate analysis (HR=1.081, 95% CI 0.591 to 1.976, P=0.801). CONCLUSIONS PLR is positively correlated with CRP and ESR. Furthermore, PLR may independently predict the risk of ESRD.
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Affiliation(s)
- Li Huang
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha 410008.
| | - Chanjuan Shen
- Department of Hematology, Affiliated Zhuzhou Hospital Xiangya Medical College, Central South University, Zhuzhou Hunan 412007
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008.
| | - Joshua D Ooi
- Centre for Inflammatory Diseases, Monash University, Clayton, Victoria 3168, Australia
| | - Peter J Eggenhuizen
- Centre for Inflammatory Diseases, Monash University, Clayton, Victoria 3168, Australia
| | - Ya'ou Zhou
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha 410008
| | - Jinbiao Chen
- Department of Medical Records & Information, Xiangya Hospital, Central South University, Changsha 410008
| | - Ting Wu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008
| | - Zhou Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008
| | - Wei Lin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008
| | - Xiang Ao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008
| | - Qiaoling Zhou
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008
| | - Ping Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha 410008
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Wu X, Zhong Y, Meng T, Ooi JD, Eggenhuizen PJ, Tang R, Nie W, Xiao X, Sun J, Ao X, Zhang H. Patient Survival Between Hemodialysis and Peritoneal Dialysis Among End-Stage Renal Disease Patients Secondary to Myeloperoxidase-ANCA-Associated Vasculitis. Front Med (Lausanne) 2022; 8:775586. [PMID: 35118086 PMCID: PMC8804699 DOI: 10.3389/fmed.2021.775586] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 12/16/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND A significant proportion of anti-neutrophil cytoplasmic antibody (ANCA) associated glomerulonephritis eventually progresses to end-stage renal disease (ESRD) thus requiring long-term dialysis. There is no consensus about which dialysis modality is more recommended for those patients with associated vasculitis (AAV-ESRD). The primary objective of this study was to compare patient survival in patients with AAV-ESRD treated with hemodialysis (HD) or peritoneal dialysis (PD). METHODS This double-center retrospective cohort study included dialysis-dependent patients who were treated with HD or PD. Clinical data were collected under standard format. The Birmingham vasculitis activity score (BVAS) was used to evaluate disease activity at diagnosis and organ damage was assessed using the vasculitis damage index (VDI) at dialysis initiation. RESULTS In total, 85 patients were included: 64 with hemodialysis and 21 with peritoneal dialysis. The patients with AAV-PD were much younger than the AAV-HD patients (48 vs. 62, P < 0.01) and more were female (76.2 vs. 51.6%, P = 0.05). The laboratory data were almost similar. The comorbidities, VDI score, and immuno-suppressive therapy at dialysis initiation were almost no statistical difference. Patient survival rates between HD and PD at 1 year were 65.3 vs. 90% (P = 0.062), 3 year were 59.6 vs. 90% (P < 0.001), and 5 years were 59.6 vs. 67.5% (P = 0.569). The overall survival was no significant difference between the two groups (P = 0.086) and the dialysis modality (HD or PD) was not shown to be an independent predictor for all-cause death (hazard ratio (HR) 0.73; 95% confidence interval (CI) 0.31-1.7; P = 0.473). Cardio-cerebrovascular events were the main cause of death among AAV-HD patients while infection in patients with AAV-PD. CONCLUSION These results provide real-world data that the use of either hemodialysis or peritoneal dialysis modality does not affect patient survival for patients with AAV-ESRD who need long-term dialysis.
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Affiliation(s)
- Xueqin Wu
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Joshua Daniel Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China.,Centre for Inflammatory Diseases, Monash University, Clayton, VIC, Australia
| | - Peter J Eggenhuizen
- Centre for Inflammatory Diseases, Monash University, Clayton, VIC, Australia
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Wannian Nie
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Jian Sun
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Ao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Hao Zhang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, China
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Meng T, Zhou Y, Ye MN, Wei JJ, Zhao QF, Zhang XY. Primary highly differentiated breast angiosarcoma in an adolescent girl. Eur Rev Med Pharmacol Sci 2022; 26:1299-1303. [PMID: 35253186 DOI: 10.26355/eurrev_202202_28123] [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: 06/14/2023]
Abstract
Primary angiosarcoma of the breast is very rare. Surgery is the principal mode of treatment for primary angiosarcoma of the breast and generally consists of a total mastectomy. To discuss its etiology and treatment principles, we reported a case of primary mammary angiosarcoma in an adolescent girl. The patient had been treated in other hospitals several times due to erythema of the breast as inflammatory treatment was considered, until pathological nature was determined after we performed pathological needle puncture. The case discussed here is unique in its own way, having clinical imaging and pathological features of primary angiosarcoma in an adolescent girl and it is known that primary angiosarcoma is unusual for this age group.
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Affiliation(s)
- T Meng
- Department of Breast Surgery, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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Yan XW, Liu HJ, Hong YX, Meng T, Du J, Chang C. lncRNA XIST induces Aβ accumulation and neuroinflammation by the epigenetic repression of NEP in Alzheimer’s disease. J Neurogenet 2022; 36:11-20. [PMID: 35098860 DOI: 10.1080/01677063.2022.2028784] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Xi-Wu Yan
- Department of Neurology, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu Province, P. R. China
| | - Huai-Jun Liu
- Department of Neurology, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu Province, P. R. China
| | - Yu-Xing Hong
- Department of Neurology, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu Province, P. R. China
| | - Ting Meng
- Department of Neurology, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu Province, P. R. China
| | - Jun Du
- Department of Neurology, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu Province, P. R. China
| | - Cheng Chang
- Department of Neurology, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu Province, P. R. China
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50
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Wang J, Yang GY, Sun HY, Meng T, Cheng CC, Zhao HP, Luo XL, Yang MM. Dioscin Reduces Vascular Damage in the Retina of db/db Mice by Inhibiting the VEGFA Signaling Pathway. Front Pharmacol 2022; 12:811897. [PMID: 35153764 PMCID: PMC8832152 DOI: 10.3389/fphar.2021.811897] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/27/2021] [Indexed: 12/20/2022] Open
Abstract
Diabetic retinopathy (DR) is a complication of diabetes that has a serious impact on the quality of life of patients. VEGFA is necessary in the physiological state to maintain endothelial activity and physical properties of blood vessels. VEGFA plays an important role in the promotion of neovascularization; therefore, inhibition of VEGFA can degrade the structure of blood vessels and reduce neovascularization. In the present study, HERB, a high-throughput experimental and reference-oriented database of herbal medicines, was used for compound mining targeting VEGFA. The compounds most likely to interact with VEGFA were screened by molecular docking. Next, the compounds were used to verify whether it could inhibit the activity of the VEGF signaling pathway in vitro and neovascularization in vivo. In vitro, we found that dioscin could inhibit the activation of the VEGFA–VEGFR2 signaling pathway and cell proliferation of human retinal microvascular endothelial cells in a high-glucose (HG) environment. A more important dioscin intervention inhibits the expression of pro-angiogenic factors in the retinas of db/db mice. In conclusion, our study indicates that dioscin reduces the vascular damage and the expression of pro-angiogenic factors in the retina of db/db mice and implies an important and potential application of dioscin for treatment of DR in clinics.
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Affiliation(s)
- Jun Wang
- Department of Endocrinology, Shenzhen People’s Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Guang Yan Yang
- Department of Endocrinology, Shenzhen People’s Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Hong Yan Sun
- Department of Ophthalmology, Shenzhen People’s Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Ting Meng
- Department of Ophthalmology, Shenzhen People’s Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Chu Chu Cheng
- Department of Endocrinology, Shenzhen People’s Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Hui Pan Zhao
- Department of Ophthalmology, Shenzhen People’s Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Xiao Ling Luo
- Department of Ophthalmology, Shenzhen People’s Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Ming Ming Yang
- Department of Ophthalmology, Shenzhen People’s Hospital, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
- *Correspondence: Ming Ming Yang,
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