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Zhang B, Fu Y, Wang F, Jin P, Xu P, Li H, Xu X, Shen C. The risk of viable but non-culturable (VBNC) enterococci and antibiotic resistance transmission during simulated municipal sludge composting. Waste Manag 2024; 183:1-9. [PMID: 38703551 DOI: 10.1016/j.wasman.2024.04.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/24/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
Sludge composting is a sludge resource utilization method that can reduce pollutants, such as pathogens. Enterococci are regarded as more reliable and conservative indicators of pathogen inactivation than fecal coliforms, which are typically used as indicators of fecal pollution. Non-spore pathogenic bacteria may enter a viable but non-culturable (VBNC) state during composting, leading to residual risk. The VBNC status of bacteria is related to their survival during composting. However, the survival mechanisms of enterococci during sludge composting remain unclear. Therefore, this study aimed to investigate the VBNC state of enterococci in different phases of simulated sludge composting and the fate of antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs) during the composting process. This study is expected to provide a basis for subsequent exploration of possible methods to completely inactivate enterococci and reduce ARGs during sludge composting. Culturable enterococci were reduced in the thermophilic phase of sludge composting, but the proportion of VBNC subpopulation increased. It was reported for the first time that most VBNC enterococci were killed by extending the cooling phase of sludge compost, and by prolonging the cooling phase the types of ARG were reduced. However, there was a certain quantity (approximately 104/g dry weight) of culturable and VBNC enterococci in the compost products. In addition, MGEs and ARGs exist in both bacteria and compost products, leading to the risk of spreading antibiotic-resistant bacteria and antibiotic resistance when sludge compost products are used.
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Affiliation(s)
- Bingni Zhang
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yulong Fu
- Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing 314100, China
| | - Feiyu Wang
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Pingri Jin
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Beijing Enterprises Water Group (CHINA) Investment Limited, Beijing 100102, China
| | - Pengcheng Xu
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Haoming Li
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xiaojie Xu
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Chaofeng Shen
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing 314100, China.
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Zheng W, Chen Y, Zhang J, Peng X, Xu P, Niu Y, Dong B. Control of chlorination disinfection by-products in drinking water by combined nanofiltration process: A case study with trihalomethanes and haloacetic acids. Chemosphere 2024; 358:142121. [PMID: 38677607 DOI: 10.1016/j.chemosphere.2024.142121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 04/21/2024] [Accepted: 04/21/2024] [Indexed: 04/29/2024]
Abstract
Disinfection by-products (DBPs) are prevalent contaminants in drinking water and are primarily linked to issues regarding water quality. These contaminants have been associated with various adverse health effects. Among different treatment processes, nanofiltration (NF) has demonstrated superior performance in effectively reducing the levels of DBPs compared to conventional processes and ozone-biological activated carbon (O3-BAC) processes. In this experiment, we systematically investigated the performance of three advanced membrane filtration treatment schemes, namely "sand filter + nanofiltration" (SF + NF), "sand filter + ozone-biological activated carbon + nanofiltration" (SF + O3-BAC + NF), and "ultrafiltration + nanofiltration" (UF + NF), in terms of their ability to control disinfection by-product (DBP) formation in treated water, analyzed the source and fate of DBP precursors during chlorination, and elucidated the role of precursor molecular weight distribution during membrane filtration in relation to DBP formation potential (DBPFP). The results indicated that each treatment process reduced DBPFP, as measured by trihalomethane formation potential (THMFP) and haloacetic acid formation potential (HAAFP), with the SF + O3-BAC + NF process being the most effective (14.27 μg/L and 14.88 μg/L), followed by the SF + NF process (21.04 μg/L and 16.29 μg/L) and the UF + NF process (26.26 μg/L and 21.75 μg/L). Tyrosine, tryptophan, and soluble microbial products were identified as the major DBP precursors during chlorination, with their fluorescence intensity decreasing gradually as water treatment progressed. Additionally, while large molecular weight organics (60-100,000 KDa) played a minor role in DBPFP, small molecular weight organics (0.2-5 KDa) were highlighted as key contributors to DBPFP, and medium molecular weight organics (5-60 KDa) could adhere to the membrane surface and reduce DBPFP. Based on these findings, the combined NF process can be reasonably selected for controlling DBP formation, with potential long-term benefits for human health.
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Affiliation(s)
- Wenjing Zheng
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, China; College of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Yan Chen
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, China; College of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
| | - Jian Zhang
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, China; College of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Xing Peng
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, China; College of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Pengcheng Xu
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, China; College of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Yalin Niu
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, China; College of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Bingzhi Dong
- College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, Shanghai, 200092, China
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Zhi L, Liao C, Xu P, Sun F, Fan F, Li G, Yuan Z, Li X. New Alkalescent Electrolyte Chemistry for Zinc-Ferricyanide Flow Battery. Angew Chem Int Ed Engl 2024:e202403607. [PMID: 38659136 DOI: 10.1002/anie.202403607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/28/2024] [Accepted: 04/24/2024] [Indexed: 04/26/2024]
Abstract
Alkaline zinc-ferricyanide flow batteries are efficiency and economical as energy storage solutions. However, they suffer from low energy density and short calendar life. The strongly alkaline conditions (3 mol L-1 OH-) reduce the solubility of ferri/ferro-cyanide (normally only 0.4 mol L-1 at 25 oC) and induce the formation of zinc dendrites at the anode. Here, we report a new zinc-ferricyanide flow battery based on a mild alkalescent (pH 12) electrolyte. Using a chelating agent to rearrange ferri/ferro-cyanide ion-solvent interactions and improve salt dissociation, we increased the solubility of ferri/ferro-cyanide to 1.7 mol L-1 and prevented zinc dendrites. Our battery has an energy density of ~74 Wh L-1 at 60 oC and remains stable for 1800 cycles (1800 hours) at 0 oC and for >1400 cycles (2300 hours) at 25 oC. An alkalescent zinc-ferricyanide cell stack built using this alkalescent electrolyte stably delivers 608 W of power for ~40 days.
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Affiliation(s)
- Liping Zhi
- Dalian Institute of Chemical Physics, Division of Energy Storage, CHINA
| | - Chenyi Liao
- Dalian Institute of Chemical Physics, Laboratory of Molecular Modeling and Design, State Key Laboratory of Molecular Reaction Dynamics, CHINA
| | - Pengcheng Xu
- Dalian Institute of Chemical Physics, Division of Energy Storage, CHINA
| | - Fusai Sun
- Dalian Institute of Chemical Physics, State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, CHINA
| | - Fengtao Fan
- Dalian Institute of Chemical Physics, State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, CHINA
| | - Guohui Li
- Dalian Institute of Chemical Physics, Laboratory of Molecular Modeling and Design, State Key Laboratory of Molecular Reaction Dynamics, CHINA
| | - Zhizhang Yuan
- Dalian Institute of Chemical Physics, Division of Energy Storage, CHINA
| | - Xianfeng Li
- Dalian Institute of Chemical Physics, Division of energy storage, Zhongshan Road 457, 116023, Dalian, CHINA
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Yang J, Xu P, Li H, Gao H, Cheng S, Shen C. Enhancing Extracellular Electron Transfer of a 3D-Printed Shewanella Bioanode with Riboflavin-Modified Carbon Black Bioink. ACS Appl Bio Mater 2024. [PMID: 38651321 DOI: 10.1021/acsabm.3c01088] [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] [Indexed: 04/25/2024]
Abstract
3D printing of a living bioanode holds the potential for the rapid and efficient production of bioelectrochemistry systems. However, the ink (such as sodium alginate, SA) that formed the matrix of the 3D-printed bioanode may hinder extracellular electron transfer (EET) between the microorganism and conductive materials. Here, we proposed a biomimetic design of a 3D-printed Shewanella bioanode, wherein riboflavin (RF) was modified on carbon black (CB) to serve as a redox substance for microbial EET. By introducing the medicated EET pathways, the 3D-printed bioanode obtained a maximum power density of 252 ± 12 mW/m2, which was 1.7 and 60.5 times higher than those of SA-CB (92 ± 10 mW/m2) and a bare carbon cloth anode (3.8 ± 0.4 mW/m2). Adding RF reduced the charge-transfer resistance of a 3D-printed bioanode by 75% (189.5 ± 18.7 vs 47.3 ± 7.8 Ω), indicating a significant acceleration in the EET efficiency within the bioanode. This work provided a fundamental and instrumental concept for constructing a 3D-printed bioanode.
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Affiliation(s)
- Jiawei Yang
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Pengcheng Xu
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Haoming Li
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Haichun Gao
- Institute of Microbiology and College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Shaoan Cheng
- State Key Laboratory of Clean Energy, Department of Energy Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, P. R. China
| | - Chaofeng Shen
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
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Qin S, Jiang Y, Ou Y, Zhan Y, Ji L, Xu P, Shao X, Chen H, Chen T, Cheng Y. Mendelian randomization of circulating proteome identifies IFN-γ as a druggable target in aplastic anemia. Ann Hematol 2024:10.1007/s00277-024-05746-4. [PMID: 38644415 DOI: 10.1007/s00277-024-05746-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 04/02/2024] [Indexed: 04/23/2024]
Abstract
BACKGROUND Aplastic anemia (AA) is a kind of bone marrow failure (BMF) characterized by pancytopenia with hypoplasia/aplasia of bone marrow. Immunosuppressive therapy and bone marrow transplantation are effective methods to treat severe aplastic anemia. However, the efficacy is limited by complications and the availability of suitable donors. This study aimed to determine whether any circulating druggable protein levels may have causal effects on AA and provide potential novel drug targets for AA. METHODS Genetic variants strongly associated with circulating druggable protein levels to perform Mendelian randomization (MR) analyses were used. The effect of these druggable protein levels on AA risk was measured using the summary statistics from a large-scale proteomic genome-wide association study (GWAS) and FinnGen database ( https://www.finngen.fi/en/access_results ). Multivariable MR analyses were performed to statistically adjust for potential confounders, including platelet counts, reticulocyte counts, neutrophil counts, and proportions of hematopoietic stem cells. RESULTS The data showed that higher level of circulating IFN-γ levels was causally associated with AA susceptibility. The causal effects of circulating IFN-γ levels on the AA were broadly consistent, when adjusted for platelet counts, reticulocyte counts, neutrophil counts and proportions of hematopoietic stem cells. CONCLUSIONS High levels of circulating IFN-γ levels might increase the risk of AA and might provide a potential novel target for AA.
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Affiliation(s)
- Shanshan Qin
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Yingxin Jiang
- Centenary Institute, The University of Sydney, Sydney, NSW, 2050, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Yang Ou
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Yanxia Zhan
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Lili Ji
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Pengcheng Xu
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xia Shao
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Hao Chen
- Department of Thoracic Surgery, Zhongshan-Xuhui Hospital, Fudan University, Shanghai, 200237, China
| | - Tong Chen
- Department of Hematology, Huashan Hospital, Fudan University, Shanghai, 200040, China.
| | - Yunfeng Cheng
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China.
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Sun J, Gong J, Gong L, Zhu C, Li-Yang L, Wang J, Yang Y, Zhang S, Liu S, Fu JJ, Xu P. High Manganese Content of Lipid NanoMn (LNM) by Microfluidic Technology for Enhancing Anti-Tumor Immunity. Pharmaceutics 2024; 16:556. [PMID: 38675217 PMCID: PMC11054818 DOI: 10.3390/pharmaceutics16040556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 03/30/2024] [Accepted: 04/05/2024] [Indexed: 04/28/2024] Open
Abstract
Immunotherapy is a clinically effective method for treating tumors. Manganese can activate the cGAS-STING signaling pathway and induce an anti-tumor immune response. However, its efficacy is hindered by non-specific distribution and low uptake rates. In this study, we employed microfluidic technology to design and develop an innovative preparation process, resulting in the creation of a novel manganese lipid nanoparticle (LNM). The lipid manganese nanoparticle produced in this process boasts a high manganese payload, excellent stability, the capacity for large-scale production, and high batch repeatability. LNM has effectively demonstrated the ability to activate the cGAS-STING signaling pathway, induce the production of pro-inflammatory cytokines, and inhibit tumor development. Notably, LNM does not require combination chemotherapy drugs or other immune activators. Therefore, LNM presents a safe, straightforward, and efficient strategy for anti-tumor immune activation, with the potential for scalable production.
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Affiliation(s)
- Jiawei Sun
- Department of Pharmaceutics, College of Pharmacy, Inner Mongolia Medical University, Hohhot 010110, China; (J.S.); (S.L.)
| | - Jingjing Gong
- Beijing Key Laboratory of Tumor Systems Biology, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; (J.G.); (L.G.); (C.Z.); (L.L.-Y.); (J.W.); (Y.Y.); (S.Z.)
| | - Lidong Gong
- Beijing Key Laboratory of Tumor Systems Biology, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; (J.G.); (L.G.); (C.Z.); (L.L.-Y.); (J.W.); (Y.Y.); (S.Z.)
| | - Chuanda Zhu
- Beijing Key Laboratory of Tumor Systems Biology, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; (J.G.); (L.G.); (C.Z.); (L.L.-Y.); (J.W.); (Y.Y.); (S.Z.)
| | - Longhao Li-Yang
- Beijing Key Laboratory of Tumor Systems Biology, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; (J.G.); (L.G.); (C.Z.); (L.L.-Y.); (J.W.); (Y.Y.); (S.Z.)
| | - Jingya Wang
- Beijing Key Laboratory of Tumor Systems Biology, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; (J.G.); (L.G.); (C.Z.); (L.L.-Y.); (J.W.); (Y.Y.); (S.Z.)
| | - Yuanyuan Yang
- Beijing Key Laboratory of Tumor Systems Biology, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; (J.G.); (L.G.); (C.Z.); (L.L.-Y.); (J.W.); (Y.Y.); (S.Z.)
| | - Shiming Zhang
- Beijing Key Laboratory of Tumor Systems Biology, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; (J.G.); (L.G.); (C.Z.); (L.L.-Y.); (J.W.); (Y.Y.); (S.Z.)
| | - Silu Liu
- Department of Pharmaceutics, College of Pharmacy, Inner Mongolia Medical University, Hohhot 010110, China; (J.S.); (S.L.)
| | - Ji-Jun Fu
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, China
| | - Pengcheng Xu
- Department of Pharmaceutics, College of Pharmacy, Inner Mongolia Medical University, Hohhot 010110, China; (J.S.); (S.L.)
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Zhang W, Liu H, Liu M, Ying S, Yuan R, Zeng H, Zhang Z, Han S, Si Z, Hu B, Wen S, Xu P, Yu W, Chen H, Wang L, Lin Z, Dai T, Lin Y, Xu T. Prevalence and risk evaluation of cardiovascular disease in the newly diagnosed prostate cancer population in China: A nationwide, multi-center, population-based cross-sectional study. Chin Med J (Engl) 2024:00029330-990000000-01040. [PMID: 38613214 DOI: 10.1097/cm9.0000000000003087] [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: 08/15/2023] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND Cardiovascular disease (CVD) has emerged as the leading cause of death from prostate cancer (PCa) in recent decades, bringing a great disease burden worldwide. Men with preexisting CVD have an increased risk for major adverse cardiovascular events when treated with androgen deprivation therapy (ADT). The present study was aimed to explore the prevalence and risk evaluation of CVD among people with newly diagnosed PCa in China. METHODS Clinical data of newly diagnosed PCa patients were retrospectively collected from 34 centers in China from 2010 to 2022 through convenience sampling. CVD was defined as myocardial infarction, arrhythmia, heart failure, stroke, ischemic heart disease, and others. CVD risk was estimated by calculating Framingham risk scores (FRS). Patients were accordingly divided into low-, medium-, and high-risk groups. χ2 or Fisher's exact test was used for comparison of categorical variables. RESULTS A total of 4253 patients were enrolled in the present study. A total of 27.0% (1147/4253) of patients had comorbid PCa and CVD, and 7.2% (307/4253) had two or more CVDs. The enrolled population was distributed in six regions of China, and approximately 71.0% (3019/4253) of patients lived in urban areas. With imaging and pathological evaluation, most PCa patients were diagnosed at an advanced stage, with 20.5% (871/4253) locally progressing and 20.5% (871/4253) showing metastasis. Most of them initiated prostatectomy (46.6%, 1983/4253) or regimens involving ADT therapy (45.7%, 1944/4253) for prostate cancer. In the present PCa cohort, 43.1% (1832/4253) of patients had hypertension, and half of them had poorly controlled blood pressure. With FRS stratification, as expected, a higher risk of CVD was related to aging and metabolic disturbance. However, we also found that patients with treatment involving ADT presented an originally higher risk of CVD than those without ADT. This was in accordance with clinical practice, i.e., aged patients or patients at advanced oncological stages were inclined to accept systematic integrative therapy instead of surgery. Among patients who underwent medical castration, only 4.0% (45/1118) received GnRH antagonists, in stark contrast to the grim situation of CVD prevalence and risk. CONCLUSIONS Prostate cancer patients in China are diagnosed at an advanced stage. A heavy CVD burden was present at the initiation of treatment. Patients who accepted ADT-related therapy showed an original higher risk of CVD, but the awareness of cardiovascular protection was far from sufficient.
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Affiliation(s)
- Weiyu Zhang
- Department of Urology, Peking University People's Hospital, Beijing 100044, China
| | - Huixin Liu
- Department of Clinical Epidemiology and Biostatistics, Peking University People's Hospital, Beijing 100044, China
| | - Ming Liu
- Department of Urology, Beijing Hospital, National Center of Gerontology, Beijing 100005, China
- Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100005, China
| | - Shi Ying
- Department of Urology, Wuhan Union Hospital, Huazhong University of Science & Technology, Wuhan, Hubei 430022, China
| | - Renbin Yuan
- Department of Urology, The Third People's Hospital of Chengdu, Chengdu, Sichuan 610014, China
| | - Hao Zeng
- Department of Urology, West China Hospital of Sichuan University, Chengdu, Sichuan 610041, China
| | - Zhenting Zhang
- Department of Urologic Oncology, Tianjin Medical University Cancer Institute & Hospital, Tianjin 300060, China
| | - Sujun Han
- Department of Urology, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- National Cancer Center, Beijing 100021, China
- National Clinical Research Center for Cancer, Beijing 100021, China
| | - Zhannan Si
- Department of Urology, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- National Cancer Center, Beijing 100021, China
- National Clinical Research Center for Cancer, Beijing 100021, China
| | - Bin Hu
- Department of Urology, Liaoning Cancer Hospital, Shenyang, Liaoning 110801, China
| | - Simeng Wen
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin 300141, China
- Tianjin Institute of Urology, Tianjin Medical University, Tianjin 300141, China
| | - Pengcheng Xu
- Department of Urology, Lu'an Affiliated Hospital of Anhui Medical University, Lu'an, Anhui 237322, China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Hui Chen
- Department of Urology, Harbin Medical University Affiliated Cancer Hospital, Harbin, Heilongjiang 150081, China
| | - Liang Wang
- Department of Urology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116023, China
| | - Zhitao Lin
- Department of Urology Surgery, Fujian Cancer Hospital, Fuzhou, Fujian 350014, China
| | - Tao Dai
- Department of Urology Surgery, Hunan Cancer Hospital, Changsha, Hunan 410031, China
| | - Yunzhi Lin
- Department of Urology Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, China
| | - Tao Xu
- Department of Urology, Peking University People's Hospital, Beijing 100044, China
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Wang S, Liu L, Tian L, Xu P, Li S, Hu L, Xia Y, Ding Y, Wang J, Li S. Elucidation of Spatial Cooperativity in Chemo-Immunotherapy by a Sequential Dual-pH-Responsive Drug Delivery System. Adv Mater 2024:e2403296. [PMID: 38602707 DOI: 10.1002/adma.202403296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/04/2024] [Indexed: 04/12/2024]
Abstract
Combining immune checkpoint blockade with chemotherapy through nanotechnology is promising in terms of safety and efficacy. However, the distinct subcellular distribution of each ingredient's action site makes it challenging to acquire an optimal synergism. Herein, a dual-pH responsive hybrid polymeric micelle system, HNP(αPDL16.9, Dox5.3), is constructed as a proof-of-concept for the spatial cooperativity in chemo-immunotherapy. HNP retains the inherent pH-transition of each polymer, with stepwise disassembly under discrete pH thresholds. Within weakly acidic extracellular tumor environment, αPDL1 is first released to block the checkpoint on cell membranes. The remaining intact Doxorubicin-loaded micelle NP(Dox)5.3 displays significant tropism toward tumor cells and releases Dox upon lysosomal pH for efficient tumor immunogenic cell death without immune toxicity. This sequential-released pattern boosts DC activation and primes CD8+ T cells, leading to enhanced therapeutic performance than single agent or an inverse-ordered combination in multiple murine tumor models. Using HNP, the indispensable role of conventional type 1 DC (cDC1) is identified in chemo-immunotherapy. A co-signature of cDC1 and CD8 correlates with cancer patient survival after neoadjuvant Pembrolizumab plus chemotherapy in clinic. This study highlights spatial cooperativity of chemo- and immuno-agents in immunoregulation and provides insights into the rational design of drug combination for future nanotherapeutics development.
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Affiliation(s)
- Shihao Wang
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
| | - Lifeng Liu
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
| | - Limin Tian
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
| | - Pengcheng Xu
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
| | - Shixuan Li
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
| | - Lixin Hu
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
| | - Yanming Xia
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
| | - Yang Ding
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
| | - Jian Wang
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Suxin Li
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 211198, China
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9
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Ou Y, Zhan Y, Shao X, Xu P, Ji L, Zhuang X, Chen H, Cheng Y. Lipoprotein lipids and apolipoproteins in primary immune thrombocytopenia: Results from a clinical characteristics and causal relationship verification, potential drug target identification by Mendelian randomization analyses. Br J Haematol 2024; 204:1483-1494. [PMID: 38031970 DOI: 10.1111/bjh.19229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 11/01/2023] [Accepted: 11/15/2023] [Indexed: 12/01/2023]
Abstract
Primary immune thrombocytopenia (ITP) is an acquired autoimmune disease. Cellular and systemic lipid metabolism plays a significant role in the regulation of immune cell activities. However, the role of lipoprotein lipids and apolipoproteins in ITP remains elusive. The automatic biochemistry analyser was used to measure the levels of serum total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), apolipoprotein A-I (apoA-I), apoB, apoE and lipoprotein a [LP(a)]. Genetic variants strongly associated with circulating lipoprotein lipids and apolipoproteins (LDL-C, apoB, TG, HDL-C and apoA-I) were extracted to perform Mendelian randomization (MR) analyses. Finally, drug-target MR and passive ITP mice model was used to investigate the potential druggable targets of ITP. Levels of HDL-C, apoA-I, decreased and LP(a) increased in ITP patients compared with healthy controls. Low HDL-C was causally associated with ITP susceptibility. Through drug-target MR and animal modelling, ABCA1 was identified as a potential target to design drugs for ITP. Our study found that lipid metabolism is related to ITP. The causative association between HDL-C and the risk of ITP was also established. The study provided new evidence of the aetiology of ITP. ABCA1 might be a potential drug target for ITP.
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Affiliation(s)
- Yang Ou
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
| | - Yanxia Zhan
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xia Shao
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Pengcheng Xu
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
| | - Lili Ji
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xibing Zhuang
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Chen
- Department of Thoracic Surgery, Zhongshan-Xuhui Hospital, Fudan University, Shanghai, China
| | - Yunfeng Cheng
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
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10
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Xu P, Liu Q, Bao H, Zhang R, Gu L, Wang G. FDSR: An Interpretable Frequency Division Stepwise Process Based Single-Image Super-Resolution Network. IEEE Trans Image Process 2024; 33:1710-1725. [PMID: 38416622 DOI: 10.1109/tip.2024.3368960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
Deep learning has excelled in single-image super-resolution (SISR) applications, yet the lack of interpretability in most deep learning-based SR networks hinders their applicability, especially in fields like medical imaging that require transparent computation. To address these problems, we present an interpretable frequency division SR network that operates in the image frequency domain. It comprises a frequency division module and a step-wise reconstruction method, which divides the image into different frequencies and performs reconstruction accordingly. We develop a frequency division loss function to ensure that each reconstruction module (ReM) operates solely at one image frequency. These methods establish an interpretable framework for SR networks, visualizing the image reconstruction process and reducing the black box nature of SR networks. Additionally, we revisited the subpixel layer upsampling process by deriving its inverse process and designing a displacement generation module. This interpretable upsampling process incorporates subpixel information and is similar to pre-upsampling frameworks. Furthermore, we develop a new ReM based on interpretable Hessian attention to enhance network performance. Extensive experiments demonstrate that our network, without the frequency division loss, outperforms state-of-the-art methods qualitatively and quantitatively. The inclusion of the frequency division loss enhances the network's interpretability and robustness, and only slightly decreases the PSNR and SSIM metrics by an average of 0.48 dB and 0.0049, respectively.
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11
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Qiu J, He W, Zheng D, Xu Y, Guo S, Ma T, Xu P, Liu Y. Dynamic Failure Experimental Study of a Gravity Dam Model on a Shaking Table and Analysis of Its Structural Dynamic Characteristics. Sensors (Basel) 2024; 24:1602. [PMID: 38475137 DOI: 10.3390/s24051602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 01/28/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024]
Abstract
Investigating the dynamic response patterns and failure modes of concrete gravity dams subjected to strong earthquakes is a pivotal area of research for addressing seismic safety concerns associated with gravity dam structures. Dynamic shaking table testing has proven to be a robust methodology for exploring the dynamic characteristics and failure modes of gravity dams. This paper details the dynamic test conducted on a gravity dam model on a shaking table. The emulation concrete material, featuring high density, low dynamic elastic modulus, and appropriate strength, was meticulously designed and fabricated. Integrating the shaking table conditions with the model material, a comprehensive gravity dam shaking table model test was devised to capture the dynamic response of the model under various dynamic loads. Multiple operational conditions were carefully selected for in-depth analysis. Leveraging the dynamic strain responses, the progression of damage in the gravity dam model under these diverse conditions was thoroughly examined. Subsequently, the recorded acceleration responses were utilized for identifying dynamic characteristic parameters, including the acceleration amplification factor in the time domain, acceleration response spectrum characteristics in the frequency domain, and modal parameters reflecting the inherent characteristics of the structure. To gain a comprehensive understanding, a comparative analysis was performed by aligning the observed damage development with the identified dynamic characteristic parameters, and the sensitivity of these identified parameters to different levels of damage was discussed. The findings of this study not only offer valuable insights for conducting and scrutinizing shaking table experiments on gravity dams but also serve as crucial supporting material for identifying structural dynamic characteristic parameters and validating damage diagnosis methods for gravity dam structures.
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Affiliation(s)
- Jianchun Qiu
- College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225009, China
| | - Wenqin He
- College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225009, China
| | - Dongjian Zheng
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
- National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing 210098, China
- College of Water-Conservancy and Hydropower, Hohai University, Nanjing 210098, China
| | - Yanxin Xu
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
- National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing 210098, China
- College of Water-Conservancy and Hydropower, Hohai University, Nanjing 210098, China
| | - Shaolong Guo
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
- College of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Tianxiao Ma
- College of Water Conservancy, Shenyang Agricultural University, Shenyang 110161, China
| | - Pengcheng Xu
- College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225009, China
| | - Yongtao Liu
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
- National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing 210098, China
- College of Water-Conservancy and Hydropower, Hohai University, Nanjing 210098, China
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12
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Xu P, Wang B, Sun Q, Bian L, Sun Y. O-arm guided minimally invasive resection of intrathoracic epidural schwannoma: how I do it. Acta Neurochir (Wien) 2024; 166:68. [PMID: 38319454 DOI: 10.1007/s00701-024-05916-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 11/09/2023] [Indexed: 02/07/2024]
Abstract
BACKGROUND Schwannomas are the most common intrathoracic neurogenic tumors. In the past, they were often treated by traditional open surgery. Video-assisted thoracic surgery (VATS) has also been used for some large tumors. Recently, minimally invasive posterior neurosurgical technique provides a new option for some of these tumors. METHOD Here, we describe the specific steps involved in the O-arm guided minimally invasive removal of intrathoracic epidural schwannoma, as well as its advantages and limitations. CONCLUSION O-arm guided minimally invasive resection of intrathoracic epidural schwannoma is safe and effective and causes little damage.
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Affiliation(s)
- Pengcheng Xu
- Department of Neurosurgery, Ruijin Hospital Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Baofeng Wang
- Department of Neurosurgery, Ruijin Hospital Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qingfang Sun
- Department of Neurosurgery, Ruijin Hospital Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liuguan Bian
- Department of Neurosurgery, Ruijin Hospital Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuhao Sun
- Department of Neurosurgery, Ruijin Hospital Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Mao Q, Wang L, Xue D, Lin X, Sun F, Xu P, Chen J, Li W, Li X, Yan F, Hu C. Imaging GPCR Dimerization in Living Cells with Cucurbit[7]uril and Hemicyanine as a "Turn-On" Fluorescence Probe. Anal Chem 2024; 96:2022-2031. [PMID: 38259189 DOI: 10.1021/acs.analchem.3c04493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Although multiple forms of dimers have been described for GPCR, their dynamics and function are still controversially discussed field. Fluorescence microscopy allows GPCR to be imaged within their native context; however, a key challenge is to site-specifically incorporate reporter moieties that can produce high-quality signals upon formation of GPCR dimers. To this end, we propose a supramolecular sensor approach to detect agonist-induced dimer formation of μ-opioid receptors (μORs) at the surface of intact cells. With the macrocyclic host cucurbit[7]uril and its guest hemicyanine dye tethered to aptamer strands directed against the histidine residues, the sensing module is assembled by host-guest complexation once the histidine-tagged μORs dimerize and bring the discrete supramolecular units into close proximity. With the enhanced sensitivity attributed by the "turn-on" fluorescence emission and high specificity afforded by the intermolecular recognition, in situ visualization of dynamic GPCR dimerization was realized with high precision, thereby validating the supramolecular sensing entity as a sophisticated and versatile strategy to investigate GPCR dimers, which represent an obvious therapeutic target.
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Affiliation(s)
- Qiuxiang Mao
- Department of Pharmaceutical Engineering, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Lancheng Wang
- Department of Pharmaceutical Engineering, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Dandan Xue
- Department of Pharmacy, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Xiaoxuan Lin
- Department of Pharmacy, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Fang Sun
- Department of Pharmaceutical Engineering, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Pengcheng Xu
- Department of Pharmaceutical Engineering, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Jieru Chen
- Department of Pharmaceutical Engineering, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Wenying Li
- Department of Pharmacy, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Xiuchen Li
- Department of Pharmacy, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Fang Yan
- Department of Pharmacy, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
| | - Chi Hu
- Department of Pharmaceutical Engineering, China Pharmaceutical University, No. 24 Tongjiaxiang Road, Nanjing 210009, China
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14
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Xu H, Shen P, Fang J, Jiang J, Shi Y, Xu P, Jiang R, Wang Z. LINC00624 affects hepatocellular carcinoma proliferation and apoptosis through the miR-342-3p/DNAJC5 axis. J Biochem Mol Toxicol 2024; 38:e23650. [PMID: 38348704 DOI: 10.1002/jbt.23650] [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: 07/02/2022] [Revised: 12/15/2023] [Accepted: 01/10/2024] [Indexed: 02/15/2024]
Abstract
LINC00624 is a long noncoding RNA (lncRNA) which was seldom investigated before. The goal of our study is to clarify the expression and underlying network of LINC00624 in hepatocellular carcinoma (HCC). Here, both HCC and normal living cell lines were employed. Real-time quantitative PCR and western blot were used to determine the pattern of genes and proteins. Colony formation, flow cytometry and western blot tests were used to determine cell proliferation and apoptosis, respectively. Dual luciferase was used to verify molecule-molecule interactions. LINC00624 expression was increased in HCC cell lines and miR-342-3p was decreased. Elimination of LINC00624 increased proliferation while decreasing cell apoptosis. LINC00624 acted as a molecular sponge for miR-342-3p, hence facilitating DNAJC5 expression. Functional tests demonstrated that miR-342-3p suppression could reverse the effect of LINC00624 silence and overexpression of DNAJC5 significantly mitigated the biological consequences of miR-342-3p. These finding demonstrated that LINC00624 aggravated HCC progression by modulating proliferation and apoptosis via targeting miR-342-3p/DNAJC5 axis. These data support that inhibition of LINC00624 may a potential treatment strategies of HCC.
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Affiliation(s)
- Huawei Xu
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Peng Shen
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Jian Fang
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Jihua Jiang
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Yinsheng Shi
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Pengcheng Xu
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Renya Jiang
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Zhengfei Wang
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
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15
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Xu P, Liu Y, Wu S, Cheng D, Sun Z. Meta analysis of the second course of radiotherapy for recurrent esophageal cancer1. J Xray Sci Technol 2024; 32:141-155. [PMID: 37424494 PMCID: PMC10894575 DOI: 10.3233/xst-230098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/11/2023] [Accepted: 06/15/2023] [Indexed: 07/11/2023]
Abstract
BACKGROUND How to improve efficacy and reduce side effects in treating recurrent esophageal cancer by applying the second course of radiotherapy alone and its combination with chemotherapy has been attracting broad research interest. OBJECTIVE This review paper aims to systematically evaluate efficacy and side effects of applying the second course of anterograde radiotherapy alone and its combination with chemotherapy in treating recurrent esophageal cancer. METHODS First, the relevant research papers are retrieved from PubMed, CNKI and Wanfang databases. Next, Redman 5.3 software is used to calculate the relative risk and 95% confidence interval to evaluate the efficacy and adverse reactions of applying the single-stage radiotherapy with and without combining single/multi dose chemotherapy to treat recurrent esophageal cancer. Then, a meta data analysis is applied to examine the effectiveness and side effects of radiation alone and re-course radiotherapy plus chemotherapy in treating esophageal cancer recurrence after the first radiotherapy. RESULTS Fifteen papers are retrieved, which included 956 patients. Among them, 476 patients received radiotherapy combined with single drug/multi drug chemotherapy (observation) and others received only radiotherapy (control). Data analysis results show that the incidence of radiation induced lung injury and bone marrow suppression is high in the observation group. Subgroup analysis also shows the higher effective rate or one-year overall survival rate of patients treated with the second course radiotherapy combined with single drug chemotherapy. CONCLUSION The meta-analysis result demonstrates that combining the second course of radiotherapy with single-drug chemotherapy has advantages in treating recurrent esophageal cancer with the manageable side effects. However, due to insufficient data, it is not possible to conduct the further subgroup analysis comparing the side effects of restorative radiation with the combined chemotherapy using between a single drug and multiple drugs.
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Affiliation(s)
- Pengcheng Xu
- Department of Radiation Oncology, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yongsheng Liu
- Department of Radiation Oncology, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shen Wu
- Department of Radiation Oncology, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dong Cheng
- Department of Radiation Oncology, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhanfeng Sun
- Department of Radiation Oncology, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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16
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Cao J, Ji L, Zhan Y, Shao X, Xu P, Wu B, Chen P, Cheng L, Zhuang X, Ou Y, Hua F, Sun L, Li F, Chen H, Zhou Z, Cheng Y. MST4 kinase regulates immune thrombocytopenia by phosphorylating STAT1-mediated M1 polarization of macrophages. Cell Mol Immunol 2023; 20:1413-1427. [PMID: 37833401 PMCID: PMC10687271 DOI: 10.1038/s41423-023-01089-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 09/23/2023] [Indexed: 10/15/2023] Open
Abstract
Primary immune thrombocytopenia (ITP) is an autoimmune hemorrhagic disorder in which macrophages play a critical role. Mammalian sterile-20-like kinase 4 (MST4), a member of the germinal-center kinase STE20 family, has been demonstrated to be a regulator of inflammation. Whether MST4 participates in the macrophage-dependent inflammation of ITP remains elusive. The expression and function of MST4 in macrophages of ITP patients and THP-1 cells, and of a macrophage-specific Mst4-/- (Mst4ΔM/ΔM) ITP mouse model were determined. Macrophage phagocytic assays, RNA sequencing (RNA-seq) analysis, immunofluorescence analysis, coimmunoprecipitation (co-IP), mass spectrometry (MS), bioinformatics analysis, and phosphoproteomics analysis were performed to reveal the underlying mechanisms. The expression levels of the MST4 gene were elevated in the expanded M1-like macrophages of ITP patients, and this elevated expression of MST4 was restored to basal levels in patients with remission after high-dose dexamethasone treatment. The expression of the MST4 gene was significantly elevated in THP-1-derived M1 macrophages. Silencing of MST4 decreased the expression of M1 macrophage markers and cytokines, and impaired phagocytosis, which could be increased by overexpression of MST4. In a passive ITP mouse model, macrophage-specific depletion of Mst4 reduced the numbers of M1 macrophages in the spleen and peritoneal lavage fluid, attenuated the expression of M1 cytokines, and promoted the predominance of FcγRIIb in splenic macrophages, which resulted in amelioration of thrombocytopenia. Downregulation of MST4 directly inhibited STAT1 phosphorylation, which is essential for M1 polarization of macrophages. Our study elucidates a critical role for MST4 kinase in the pathology of ITP and identifies MST4 kinase as a potential therapeutic target for refractory ITP.
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Affiliation(s)
- Jingjing Cao
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Lili Ji
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Yanxia Zhan
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xia Shao
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Pengcheng Xu
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Boting Wu
- Department of Transfusion Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Pu Chen
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Luya Cheng
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xibing Zhuang
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Yang Ou
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Fanli Hua
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Lihua Sun
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Feng Li
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Hao Chen
- Department of Thoracic Surgery, Zhongshan-Xuhui Hospital, Fudan University, Shanghai, 200031, China.
| | - Zhaocai Zhou
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital, School of Life Sciences, Fudan University, Shanghai, 200438, China.
| | - Yunfeng Cheng
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China.
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China.
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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Cao J, Ji L, Zhan Y, Shao X, Xu P, Wu B, Chen P, Cheng L, Zhuang X, Ou Y, Hua F, Sun L, Li F, Chen H, Zhou Z, Cheng Y. Author Correction: MST4 kinase regulates immune thrombocytopenia by phosphorylating STAT1-mediated M1 polarization of macrophages. Cell Mol Immunol 2023; 20:1533. [PMID: 37907780 PMCID: PMC10687249 DOI: 10.1038/s41423-023-01094-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023] Open
Affiliation(s)
- Jingjing Cao
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Lili Ji
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Yanxia Zhan
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xia Shao
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Pengcheng Xu
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Boting Wu
- Department of Transfusion Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Pu Chen
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Luya Cheng
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xibing Zhuang
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Yang Ou
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Fanli Hua
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Lihua Sun
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Feng Li
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Hao Chen
- Department of Thoracic Surgery, Zhongshan-Xuhui Hospital, Fudan University, Shanghai, 200031, China.
| | - Zhaocai Zhou
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital, School of Life Sciences, Fudan University, Shanghai, 200438, China.
| | - Yunfeng Cheng
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China.
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China.
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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Xu P, Han S, Hou M, Zhao Y, Xu M. The serum lipid profiles in immune thrombocytopenia: Mendelian randomization analysis and a retrospective study. Thromb J 2023; 21:107. [PMID: 37833799 PMCID: PMC10571271 DOI: 10.1186/s12959-023-00551-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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND Immune thrombocytopenia (ITP) is an autoimmune hemorrhagic disease characterized by increased platelet destruction and impaired thrombopoiesis. The changes in platelet indices depend on the morphology and volume of platelets. Serum lipids have been found to affect platelet formation and activity in certain diseases, thus inducing the corresponding variation of platelet indices. METHODS Mendelian randomization (MR) analysis was performed based on databases. The clinical data from 457 ITP patients were retrospectively collected and analyzed, including platelet indices, serum lipids, hemorrhages and therapeutic responses. RESULTS MR analysis showed low high-density-lipoprotein-cholesterol (HDL-C), low apolipoprotein A-1, high triglyceride (TG) and high apolipoprotein B (ApoB) caused high platelet distribution width (PDW); high low-density-lipoprotein-cholesterol (LDL-C) increased mean platelet volume (MPV). In ITP, there were positive correlations between platelet count with TG, PDW with HDL-C and ApoB, and plateletcrit with TG and non-esterified fatty acid, and the correlation had gender differences. Bleeding scores were negatively correlated with cholesterol and LDL-C. LDL-C and homocysteine were risk factors for therapeutic responses. CONCLUSIONS Serum lipids, especially cholesterol were tightly correlated with platelet indices, hemorrhage and therapeutic effects in ITP patients. These results provide clinical references for the management of serum lipids, and highlight the necessity to further explore the relationship between lipids and pathogenesis of ITP. TRIAL REGISTRATION No: NCT05095896, October 14, 2021, retrospectively registered.
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Affiliation(s)
- Pengcheng Xu
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, No. 44 Wenhuaxi Road, Jinan, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, China
| | - Shouqing Han
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, No. 44 Wenhuaxi Road, Jinan, China
- Shandong Provincial Key Laboratory of Immunohematology, Cheeloo College of Medicine, Qilu Hospital, Shandong University, Shanghai, China
| | - Ming Hou
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, No. 44 Wenhuaxi Road, Jinan, China
- Shandong Provincial Key Laboratory of Immunohematology, Cheeloo College of Medicine, Qilu Hospital, Shandong University, Shanghai, China
- Leading Research Group of Scientific Innovation, Department of Science and Technology of Shandong Province, Cheeloo College of Medicine, Qilu Hospital, Shandong University, Jinan, China
| | - Yajing Zhao
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, No. 44 Wenhuaxi Road, Jinan, China.
- Shandong Provincial Key Laboratory of Immunohematology, Cheeloo College of Medicine, Qilu Hospital, Shandong University, Shanghai, China.
| | - Miao Xu
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, No. 44 Wenhuaxi Road, Jinan, China.
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19
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Xu P, Lin C, Li X, Shen Y, Chen Z, Feng W, Wang R, Chen Z, Wang T, Binks BP. Monodisperse Plant Protein Nanoparticles Prepared by Cation-Exchange Resins for Stabilization of Pickering Emulsions. Langmuir 2023; 39:14412-14421. [PMID: 37769209 DOI: 10.1021/acs.langmuir.3c01871] [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: 09/30/2023]
Abstract
Our understanding of the microstructure of many plant proteins is based on the ancient and conventional methods of alkali extraction and acid precipitation, which generate considerable amounts of NaCl causing salting-out effects and aggregation of their molecules. In this study, monodisperse rice protein (RP) nanoparticles were prepared using cation-exchange resins that release H+ and absorb Na+, thus avoiding the generation of NaCl during neutralization of the alkali extracts. The generated RP nanoparticles of small diameter (20 nm) and excellent uniformity (0.17 polydispersity) quickly diffuse to and stabilize the oil-water interface, producing oil-in-water Pickering emulsions. The emulsifying ability and emulsion stability afforded with these nanoparticles were 17 and 3.5 times higher than those of nanoparticles prepared by conventional alkali extraction and acid precipitation methods, respectively. Furthermore, increased RP nanoparticle concentration created more stable emulsions with smaller droplets and reduced flocculation index vital for practical applications. This study provides a convincing example of how to prepare monodisperse protein nanoparticles that adsorb at a fluid interface, which may find numerous applications in food and cosmetic formulations.
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Affiliation(s)
- Pengcheng Xu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Chen Lin
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xuyuan Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yuxi Shen
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhenyun Chen
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wei Feng
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Ren Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhengxing Chen
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Tao Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Bernard P Binks
- Department of Chemistry, University of Hull, Hull HU6 7RX, U.K
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20
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Liu C, Xu P, Shao S, Wang F, Zheng Z, Li S, Liu W, Li G. The value of urinary exosomal lncRNA SNHG16 as a diagnostic biomarker for bladder cancer. Mol Biol Rep 2023; 50:8297-8304. [PMID: 37592177 PMCID: PMC10520200 DOI: 10.1007/s11033-023-08667-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 07/06/2023] [Indexed: 08/19/2023]
Abstract
OBJECTIVE To detect the expression level of urinary exosomal lncRNA SNHG16 in patients with bladder cancer and healthy individuals and explore its clinical application value in the diagnosis of bladder cancer. METHODS Urine samples were collected from 42 patients with bladder cancer and 42 healthy volunteers who visited Lu'an Hospital of Anhui Medical University and the Second Hospital of Tianjin Medical University from January 2020 to December 2022. The expression levels of lncRNA SNHG16 in urinary exosomes of the two groups were detected by RT‒qPCR, and their correlation with clinical pathological parameters of bladder cancer patients was analysed. An Receiver Operating Characteristic(ROC) curve was drawn to analyse the diagnostic value of urinary exosomal lncRNA SNHG16 for bladder cancer and compared with urinary cytology. RESULTS The expression of urinary exosomal lncRNA SNHG16 in patients with bladder cancer was significantly higher (P < 0.05), and the expression level had no correlation with the age, sex, pathological T stage, pathological grade, or tumour size of bladder cancer patients (P > 0.05). The Area Under Curve(AUC) of urinary exosomal lncRNA SNHG16 in diagnosing bladder cancer was 0.791, which was superior to that of urinary cytology (AUC = 0.597). CONCLUSION Urinary exosomal lncRNA SNHG16 with high expression can serve as a potential diagnostic biological marker for bladder cancer.
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Affiliation(s)
- Chengyi Liu
- Department of Urology, Lu'an People's Hospital of Anhui Province, Lu'an Hospital of Anhui Medical University, No.21, Wanxi West Road, Lu'an, 237000, Anhui, China
| | - Pengcheng Xu
- Department of Urology, Lu'an People's Hospital of Anhui Province, Lu'an Hospital of Anhui Medical University, No.21, Wanxi West Road, Lu'an, 237000, Anhui, China
| | - Song Shao
- Department of Orthopaedic, Lu'an People's Hospital of Anhui Province, Lu'an Hospital of Anhui Medical University, Lu'an, 237000, China
| | - Fang Wang
- Department of Pharmacy, Lu'an People's Hospital of Anhui Province, Lu'an Hospital of Anhui Medical University, Lu'an, 237000, China
| | - Zhiwen Zheng
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Shuangjie Li
- Department of Urology, Lu'an People's Hospital of Anhui Province, Lu'an Hospital of Anhui Medical University, No.21, Wanxi West Road, Lu'an, 237000, Anhui, China
| | - Wei Liu
- Department of Urology, Lu'an People's Hospital of Anhui Province, Lu'an Hospital of Anhui Medical University, No.21, Wanxi West Road, Lu'an, 237000, Anhui, China
| | - Guangyuan Li
- Department of Urology, Lu'an People's Hospital of Anhui Province, Lu'an Hospital of Anhui Medical University, No.21, Wanxi West Road, Lu'an, 237000, Anhui, China.
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, An Hui Sheng, China.
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21
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Zhuang X, Xu P, Ou Y, Shao X, Li Y, Ma Y, Qin S, Hua F, Zhan Y, Ji L, Qiao T, Chen H, Cheng Y. Decreased cyclooxygenase-2 associated with impaired megakaryopoiesis and thrombopoiesis in primary immune thrombocytopenia. J Transl Med 2023; 21:540. [PMID: 37573325 PMCID: PMC10423426 DOI: 10.1186/s12967-023-04389-9] [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: 05/15/2023] [Accepted: 07/25/2023] [Indexed: 08/14/2023] Open
Abstract
BACKGROUND Cyclooxygenase (COX)-2 is a rate-limiting enzyme in the biosynthesis of prostanoids, which is mostly inducible by inflammatory cytokines. The participation of COX-2 in the maturation of megakaryocytes has been reported but barely studied in primary immune thrombocytopenia (ITP). METHODS The expressions of COX-2 and Caspase-1, Caspase-3 and Caspase-3 p17 subunit in platelets from ITP patients and healthy controls (HC), and the expressions of COX-2 and CD41 in bone marrow (BM) of ITP patients were measured and analyzed for correlations. The effects of COX-2 inhibitor on megakaryopoiesis and thrombopoiesis were assessed by in vitro culture of Meg01 cells and murine BM-derived megakaryocytes and in vivo experiments of passive ITP mice. RESULTS The expression of COX-2 was decreased and Caspase-1 and Caspase-3 p17 were increased in platelets from ITP patients compared to HC. In platelets from ITP patients, the COX-2 expression was positively correlated with platelet count and negatively correlated to the expression of Caspase-1. In ITP patients BM, the expression of CD41 was positively correlated with the expression of COX-2. COX-2 inhibitor inhibited the count of megakaryocytes and impaired the maturation and platelet production in Meg01 cells and bone marrow-derived megakaryocytes. COX-2 inhibitor aggravated thrombocytopenia and damaged megakaryopoiesis in ITP murine model. CONCLUSION COX-2 plays a vital role in the physiologic and pathologic conditions of ITP by intervening the survival of platelets and impairing the megakaryopoiesis and thrombopoiesis of megakaryocytes.
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Affiliation(s)
- Xibing Zhuang
- Department of Hematology, Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai 180 Fenglin Rd, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Pengcheng Xu
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Yang Ou
- Department of Hematology, Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai 180 Fenglin Rd, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Xia Shao
- Department of Hematology, Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai 180 Fenglin Rd, Shanghai, 200032, China
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Ying Li
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Yanna Ma
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Shanshan Qin
- Department of Hematology, Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai 180 Fenglin Rd, Shanghai, 200032, China
| | - Fanli Hua
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Yanxia Zhan
- Department of Hematology, Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai 180 Fenglin Rd, Shanghai, 200032, China
| | - Lili Ji
- Department of Hematology, Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai 180 Fenglin Rd, Shanghai, 200032, China
| | - Tiankui Qiao
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Hao Chen
- Department of Thoracic Surgery, Zhongshan Hospital Xuhui Branch, Fudan University, Shanghai, 200031, China
| | - Yunfeng Cheng
- Department of Hematology, Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai 180 Fenglin Rd, Shanghai, 200032, China.
- Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China.
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China.
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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22
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Zhou L, Li Z, Chang X, Liu X, Hu Y, Li M, Xu P, Pinna N, Zhang J. PdRh-Sensitized Iron Oxide Ultrathin Film Sensors and Mechanistic Investigation by Operando TEM and DFT Calculation. Small 2023; 19:e2301485. [PMID: 37086126 DOI: 10.1002/smll.202301485] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 03/14/2023] [Indexed: 05/03/2023]
Abstract
Metal oxide semiconductor (MOS) thin films are of critical importance to both fundamental research and practical applications of gas sensors. Herein, a high-performance H2 sensor based on palladium (Pd) and rhodium (Rh) co-functionalized Fe2 O3 films with an ultrathin thickness of 8.9 nm deposited by using atomic layer deposition is reported. The sensor delivers an exceptional response of 105.9 toward 10 ppm H2 at 230 °C, as well as high selectivity, immunity to humidity, and low detection limit (43 ppb), which are superior to the reported MOS sensors. Importantly, the Fe2 O3 film sensor under dynamic H2 detection is for the first time observed by operando transmission electron microscopy, which provides deterministic evidence for structure evolution of MOS during sensing reactions. To further reveal the sensing mechanism, density functional theory calculations are performed to elucidate the sensitization effect of PdRh catalysts. Mechanistic studies suggest that Pd promotes the adsorption and dissociation of H2 to generate PdHx , while Rh promotes the dissociation of oxygen adsorbed on the surface, thereby jointly promoting the redox reactions on the films. A wireless H2 detection system is also successfully demonstrated using the thin film sensors, certifying a great potential of the strategy to practical sensors.
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Affiliation(s)
- Lihao Zhou
- College of Physics, Qingdao University, Qingdao, 266071, China
| | - Zishuo Li
- College of Physics, Qingdao University, Qingdao, 266071, China
| | - Xiao Chang
- College of Physics, Qingdao University, Qingdao, 266071, China
| | - Xianghong Liu
- College of Physics, Qingdao University, Qingdao, 266071, China
| | - Yinhua Hu
- College of Physics, Qingdao University, Qingdao, 266071, China
| | - Ming Li
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Pengcheng Xu
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Nicola Pinna
- Institut für Chemie and IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Jun Zhang
- College of Physics, Qingdao University, Qingdao, 266071, China
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23
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Cao Z, Jia H, Zhou Y, Li M, Xu P, Li X, Zheng D. MEMS Resonant Cantilevers for High-Performance Thermogravimetric Analysis of Chemical Decomposition. Sensors (Basel) 2023; 23:6147. [PMID: 37447995 DOI: 10.3390/s23136147] [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: 06/09/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023]
Abstract
We investigate the MEMS resonant cantilevers for high-performance thermogravimetric analysis (TGA) of chemical decomposition, featuring high accuracy and minimized thermal lag. Each resonant cantilever is integrated with a microheater for sample heating near the free end, which is thermally isolated from the resonance excitation and readout elements at the fixed end. Combining finite element modeling and experiments, we demonstrate that the sample loading region can stabilize within ~11.2 milliseconds in response to a step heating of 500 °C, suggesting a very fast thermal response of the MEMS resonant cantilevers of more than 104 °C/s. Benefiting from such a fast thermal response, we perform high-performance TG measurements on basic copper carbonate (Cu2(OH)2CO3) and calcium oxalate monohydrate (CaC2O4·H2O). The measured weight losses better agree with the theoretical values with 5-10 times smaller thermal lags at the same heating rate, compared with those measured by using conventional TGA. The MEMS resonant cantilevers hold promise for highly accurate and efficient TG characterization of materials in various fields.
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Affiliation(s)
- Zhi Cao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Hao Jia
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yufan Zhou
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ming Li
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pengcheng Xu
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinxin Li
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dan Zheng
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
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Shao X, Xu P, Ji L, Wu B, Zhan Y, Zhuang X, Ou Y, Hua F, Sun L, Li F, Wang X, Chen H, Cheng Y. Low-dose decitabine promotes M2 macrophage polarization in patients with primary immune thrombocytopenia via enhancing KLF4 binding to PPARγ promoter. Clin Transl Med 2023; 13:e1344. [PMID: 37488670 PMCID: PMC10366349 DOI: 10.1002/ctm2.1344] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 07/13/2023] [Accepted: 07/19/2023] [Indexed: 07/26/2023] Open
Abstract
BACKGROUND The first-line therapy is effective for the treatment of primary immune thrombocytopenia (ITP); however, maintaining the long-term responses remains challenging. Low-dose decitabine (DAC) has been adopted to treat refractory ITP, while its role in macrophage polarization has not been fully understood. We aimed to investigate the mechanistic role of DAC in M2 macrophage polarization and evaluated its therapeutic effect in ITP. METHODS The M2 monocytes were identified by flow cytometry from peripheral blood mononuclear cells in healthy controls (HCs) and ITP patients. The expression of PPARγ, Arg-1, DNMT3b and NLRP3, together with IL-10 plasma levels was measured to examine its function. Bisulfite-sequencing PCR was used to evaluate the methylation status of PPARγ promoter, and the binding affinity of KLF4 was measured by Cut&Tag. A sh-PPARγ THP-1 cell line was created to verify if low-dose DAC-modulated M2 macrophage polarization was PPARγ-dependent. The passive ITP models were used to investigate the therapeutic effects of low-dose DAC and its role in modulating polarization and immunomodulatory function of macrophages. NLRP3 inflammasome and reactive oxygen species were also tested to understand the downstream of PPARγ. RESULTS The M2 monocytes with impaired immunoregulation were observed in ITP. After high-dose dexamethasone (HD-DXM) treatment, M2 monocytes increased significantly with the elevated expression of PPARγ, Arg-1 and IL-10 in CR patients. Low-dose DAC promoted M2 macrophage polarization in a PPARγ-dependent way via demethylating the promoter of PPARγ, especially the KLF4 binding sites. Low-dose DAC alleviated ITP mice by restoring the M1/M2 balance and fine-tuning immunomodulatory function of macrophages. The downstream of the PPARγ modulation of M2 macrophage polarization might physiologically antagonize NLRP3 inflammasome. CONCLUSIONS Low-dose DAC promoted M2 macrophage polarization due to the demethylation within the promoter of PPARγ, thus enhanced the KLF4 binding affinity in ITP.
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Affiliation(s)
- Xia Shao
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
| | - Pengcheng Xu
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Lili Ji
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Boting Wu
- Department of Transfusion Medicine, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Yanxia Zhan
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Xibing Zhuang
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Yang Ou
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Fanli Hua
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Lihua Sun
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Feng Li
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
| | - Xiangdong Wang
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Chen
- Department of Thoracic Surgery, Zhongshan-Xuhui Hospital, Fudan University, Shanghai, China
| | - Yunfeng Cheng
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, China
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
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25
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Jia Y, Xu L, Wang L, Yan K, Chen J, Xu P, Di B, Yan F, Hu C. A light-up fluorescence probe for wash-free analysis of Mu-opioid receptor and ligand-binding events. Anal Chim Acta 2023; 1261:341220. [PMID: 37147056 DOI: 10.1016/j.aca.2023.341220] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/01/2023] [Accepted: 04/13/2023] [Indexed: 05/07/2023]
Abstract
With the aggravated burden of opioid use disorder spreading worldwide, demands for new forms of opioid receptor agonist/antagonist constitute immense research interest. The Mu-opioid receptor (MOR) is currently in the spotlight on account of its general involvement in opioid-induced antinociception, tolerance and dependence. MOR binding assay, however, is often complicated by difficulty in MOR separation and purification, as well as the tedious procedure in standard biolayer interferometry and surface plasmon resonance measurements. To this end, we present TPE2N as a light-up fluorescent probe for MOR, which exhibits satisfactory performance in both live cells and lysates. TPE2N was elaborately designed based on the synergistic effect of twisted intramolecular charge-transfer and aggregation-induced emission by incorporating a tetraphenylethene unit to emit strong fluorescence in a restrained environment upon binding with MOR through the naloxone pharmacore. The developed assay enabled high-throughput screening of a compound library, and successfully identified three ligands as lead compounds for further development.
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Affiliation(s)
- Yan Jia
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China
| | - Lili Xu
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China
| | - Lancheng Wang
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China
| | - Kun Yan
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China
| | - Jieru Chen
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China
| | - Pengcheng Xu
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China
| | - Bin Di
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China.
| | - Fang Yan
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China.
| | - Chi Hu
- China National Narcotics Control Commission-China Pharmaceutical University Joint Laboratory on Key Technologies of Narcotics Control, No. 24 Tongjiaxiang Road, Nanjing, 210009, China.
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Wang J, Xu P, Ji X, Li M, Lu W. Feature Selection in Machine Learning for Perovskite Materials Design and Discovery. Materials (Basel) 2023; 16:3134. [PMID: 37109971 PMCID: PMC10146176 DOI: 10.3390/ma16083134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 06/19/2023]
Abstract
Perovskite materials have been one of the most important research objects in materials science due to their excellent photoelectric properties as well as correspondingly complex structures. Machine learning (ML) methods have been playing an important role in the design and discovery of perovskite materials, while feature selection as a dimensionality reduction method has occupied a crucial position in the ML workflow. In this review, we introduced the recent advances in the applications of feature selection in perovskite materials. First, the development tendency of publications about ML in perovskite materials was analyzed, and the ML workflow for materials was summarized. Then the commonly used feature selection methods were briefly introduced, and the applications of feature selection in inorganic perovskites, hybrid organic-inorganic perovskites (HOIPs), and double perovskites (DPs) were reviewed. Finally, we put forward some directions for the future development of feature selection in machine learning for perovskite material design.
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Affiliation(s)
- Junya Wang
- Department of Mathematics, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Pengcheng Xu
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
| | - Xiaobo Ji
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Minjie Li
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Wencong Lu
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
- Zhejiang Laboratory, Hangzhou 311100, China
- Key Laboratory of Silicate Cultural Relics Conservation (Shanghai University), Ministry of Education, Shanghai 200444, China
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27
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Zhou Y, Li M, Zhang T, Chen Y, Li X, Jia H, Xu P, Li X. Cooperative Characterization of In Situ TEM and Cantilever-TGA to Optimize Calcination Conditions of MnO 2 Nanowire Precursors. Nano Lett 2023; 23:2412-2420. [PMID: 36719107 DOI: 10.1021/acs.nanolett.2c04756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Calcination plays a vital role during material preparation. However, the calcination conditions have often been determined empirically or have been based on trial and error. Herein we present a cooperative characterization approach to optimize calcination conditions by gas-cell in situ TEM in collaboration with microcantilever-based thermogravimetric analysis (cantilever-TGA) techniques. The morphological evolution of precursors under atmospheric conditions is observed with in situ TEM, and the right calcination temperature is provided by cantilever-TGA. The proposed approach successfully optimizes the calcination conditions of fragile MnO2 nanowire precursors with multiple valence products. The cantilever-TGA shows that a calcination temperature above 560 °C is required to transform the MnO2 precursor to Mn3O4 under an N2 atmosphere, but the in situ TEM indicates that the nanowire structure is destroyed within only 30 min under calcination conditions. Our method further suggests that heating the precursor at 400 °C using an H2-containing atmosphere can produce Mn3O4 nanowires with good electrical properties.
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Affiliation(s)
- Yufan Zhou
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, People's Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
| | - Ming Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, People's Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
| | - Tao Zhang
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, People's Republic of China
| | - Ying Chen
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, People's Republic of China
| | - Xinyu Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, People's Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
| | - Hao Jia
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, People's Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
| | - Pengcheng Xu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, People's Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
| | - Xinxin Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, People's Republic of China
- University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
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28
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Xu P, Wang X, Shi J, Chen W, Lu ZJ, Jia H, Ye D, Li X. Functionally Collaborative Nanostructure for Direct Monitoring of Neurotransmitter Exocytosis in Living Cells. Nano Lett 2023; 23:2427-2435. [PMID: 36715488 DOI: 10.1021/acs.nanolett.2c04117] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Neurotransmitter exocytosis of living cells plays a vital role in neuroscience. However, the available amperometric technique with carbon fiber electrodes typically measures exocytotic events from one cell during one procedure, which requires professional operations and takes time to produce statistical results of multiple cells. Here, we develop a functionally collaborative nanostructure to directly measure the neurotransmitter dopamine (DA) exocytosis from living rat pheochromocytoma (PC12) cells. The functionally collaborative nanostructure is constructed of metal-organic framework (MOF)-on-nanowires-on-graphene oxide, which is highly sensitive to DA molecules and enables direct detection of neurotransmitter exocytosis. Using the microsensor, the exocytosis from PC12 cells pretreated with the desired drugs (e.g., anticoronavirus drug, antiflu drug, or anti-inflammatory drug) has been successfully measured. Our achievements demonstrate the feasibility of the functionally collaborative nanostructure in the real-time detection of exocytosis and the potential applicability in the highly efficient assessment of the modulation effects of medications on exocytosis.
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Affiliation(s)
- Pengcheng Xu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing100049, China
| | - Xuefeng Wang
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing100049, China
| | - Jiaci Shi
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Wei Chen
- Department of Emergency, Tongji Hospital, Tongji University School of Medicine, Shanghai200065, China
| | - Zhan-Jun Lu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai200080, China
| | - Hao Jia
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing100049, China
| | - Daixin Ye
- Department of Chemistry, Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai200444, China
| | - Xinxin Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing100049, China
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29
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Zhang H, Jia H, Ni Z, Li M, Chen Y, Xu P, Li X. 1ppm-detectable hydrogen gas sensors by using highly sensitive P+/N+ single-crystalline silicon thermopiles. Microsyst Nanoeng 2023; 9:29. [PMID: 36960346 PMCID: PMC10027663 DOI: 10.1038/s41378-023-00506-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/18/2023] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
Hydrogen (H2) is currently of strategic importance in the pursuit of a decarbonized, environmentally benign, sustainable global energy system; however, the explosive nature of H2 requires leakage monitoring to ensure safe application in industry. Therefore, H2 gas sensors with a high sensitivity and fast response across a wide concentration range are crucial yet technically challenging. In this work, we demonstrate a new type of MEMS differential thermopile gas sensor for the highly sensitive, rapid detection of trace H2 gas in air. Facilitated by a unique MIS fabrication technique, pairs of single-crystalline silicon thermopiles (i.e., sensing and reference thermopiles) are batch fabricated with high-density single-crystalline silicon thermocouples, yielding an outstanding temperature sensitivity at the sub-mK level. Such devices ensure the detection of miniscule temperature changes due to the catalytic reaction of H2 with a detection limit as low as ~1 ppm at an operating temperature of 120 °C. The MEMS differential thermopiles also exhibit a wide linear detection range (1 ppm-2%, more than four orders of magnitude) and fast response and recovery times of 1.9 s and 1.4 s, respectively, when detecting 0.1% H2 in air. Moreover, the sensors show good selectivity against common combustible gases and volatile organics, good repeatability, and long-term stability. The proposed MEMS thermopile H2 sensors hold promise for the trace detection and early warning of H2 leakage in a wide range of applications.
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Affiliation(s)
- Haozhi Zhang
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- School of Microelectronics, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Hao Jia
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- School of Microelectronics, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Zao Ni
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- School of Microelectronics, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Ming Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- School of Microelectronics, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Ying Chen
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- School of Microelectronics, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Pengcheng Xu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- School of Microelectronics, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Xinxin Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- School of Microelectronics, University of Chinese Academy of Sciences, 100049 Beijing, China
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30
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Wang H, Yu T, An N, Sun Y, Xu P, Han P, Zhao Y, Wang L, Ni X, Li Y, Li G, Liu Y, Peng J, Hou M, Hou Y. Enhancing regulatory T-cell function via inhibition of high mobility group box 1 protein signaling in immune thrombocytopenia. Haematologica 2023; 108:843-858. [PMID: 36263841 PMCID: PMC9973480 DOI: 10.3324/haematol.2022.281557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Indexed: 11/09/2022] Open
Abstract
Primary immune thrombocytopenia (ITP) is the most common acquired autoimmune bleeding disorder. Abnormally increased levels of High Mobility Group Box 1 (HMGB1) protein associate with thrombocytopenia and therapeutic outcome in ITP. Previous studies proposed that a natural inhibitor of HMGB1, 18β-glycyrrhetinic acid (18β-GA), could be used for its anti-inflammatory and immune-modulatory effects, although its ability to correct immune balance in ITP is unclear. In this study, we showed that plasma HMGB1 correlated negatively with platelet counts in ITP patients, and confirmed that 18β-GA stimulated the production of regulatory T cells (Treg), restored the balance of CD4+ T-cell subsets and enhanced the suppressive function of Treg through blocking the effect on HMGB1 in patients with ITP. HMGB1 short hairpin RNA interference masked the effect of 18β-GA in Treg of ITP patients. Furthermore, we found that 18β-GA alleviated thrombocytopenia in mice with ITP. Briefly, anti-CD61 immune-sensitized splenocytes were transferred into severe combined immunodeficient mice to induce a murine model of severe ITP. The proportion of circulating Treg increased significantly, while the level of plasma HMGB1 and serum antiplatelet antibodies decreased significantly in ITP mice along 18β-GA treatment. In addition, 18β-GA reduced phagocytic activity of macrophages towards platelets both in ITP patients and ITP mice. These results indicate that 18β-GA has the potential to restore immune balance in ITP via inhibition of HMGB1 signaling. In short, this study reveals the role of HMGB1 in ITP, which may serve as a potential target for thrombocytopenia therapy.
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Affiliation(s)
- Haoyi Wang
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Tianshu Yu
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Ning An
- Laboratory of Cancer Signaling, Interdisciplinary Cluster for Applied Genoproteomics (GIGA) Stem Cells, University of Liège, CHU, Sart-Tilman, Liège, 4000 Belgium
| | - Yunqi Sun
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Pengcheng Xu
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Panpan Han
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Yajing Zhao
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Lingjun Wang
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Xiaofei Ni
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Yubin Li
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Guosheng Li
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Yanfeng Liu
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Jun Peng
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012
| | - Ming Hou
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012, China; Shandong Provincial Key Laboratory of Immunohematology, Qilu Hospital of Shandong University, Jinan.
| | - Yu Hou
- Department of Hematology, Qilu Hospital of Shandong University, Shandong University, Jinan, Shandong, 250012, China; Shandong Provincial Key Laboratory of Immunohematology, Qilu Hospital of Shandong University, Jinan.
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31
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Ou Y, Zhan Y, Zhuang X, Shao X, Xu P, Li F, Chen H, Ji L, Cheng Y. A bibliometric analysis of primary immune thrombocytopenia from 2011 to 2021. Br J Haematol 2023; 201:954-970. [PMID: 36807900 DOI: 10.1111/bjh.18692] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [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: 09/03/2022] [Revised: 01/21/2023] [Accepted: 01/27/2023] [Indexed: 02/22/2023]
Abstract
Primary immune thrombocytopenia (ITP) is an autoimmune disorder characterized by isolated thrombocytopenia. This bibliometric analysis was applied to identify the characteristics of global scientific output, the hotspots, and frontiers of ITP over the past 10 years. We retrieved publications from 2011 to 2021 from the Web of Science Core Collection (WoSCC). Bibliometrix package, VOSviewer, and Citespace were used to analyse and visualize the trend, distribution, and hotspots of research on ITP. Altogether, there were 2084 papers, written by 9080 authors from 410 organizations in 70 countries/regions, published in 456 journals with 37 160 co-cited references. In the last decades, the most productive journal was British Journal of Haematology, China was the most productive country. and the most cited journal was Blood. Shandong University was the most productive institution in the field of ITP. NEUNERT C, 2011, BLOOD, CHENG G, 2011, LANCET, and PATEL VL, 2012, BLOOD were the top three most cited documents. "Thrombopoietin receptor agonist", "regulatory T cell" and "sialic acid" were three hotspots of the last decade. And "immature platelet fraction", "Th17", and "fostamatinib" would be research frontiers in the feature. The present study provided a novel insight for future research directions and scientific decision-making.
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Affiliation(s)
- Yang Ou
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China
| | - Yanxia Zhan
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xibing Zhuang
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.,Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xia Shao
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.,Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Pengcheng Xu
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.,Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Feng Li
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China.,Zhongshan Hospital Qingpu Branch, Department of Hematology, Fudan University, Shanghai, China
| | - Hao Chen
- Zhongshan Hospital Xuhui Branch, Department of Thoracic Surgery, Fudan University, Shanghai, China
| | - Lili Ji
- Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yunfeng Cheng
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.,Department of Hematology, Zhongshan Hospital, Fudan University, Shanghai, China.,Zhongshan Hospital Qingpu Branch, Department of Hematology, Fudan University, Shanghai, China.,Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
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32
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Zhang H, Jia H, Feng W, Ni Z, Xu P, Li X. Ultra-Responsive MEMS Sensing Chip for Differential Thermal Analysis (DTA). Sensors (Basel) 2023; 23:1362. [PMID: 36772402 PMCID: PMC9920126 DOI: 10.3390/s23031362] [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: 12/27/2022] [Revised: 01/21/2023] [Accepted: 01/22/2023] [Indexed: 06/18/2023]
Abstract
Ultra-responsive single-crystal silicon MEMS thermopiles for differential thermal analysis (DTA) are developed. Facilitated by a unique "microholes interetch and sealing (MIS)" technique, pairs of suspended thermopiles are batch fabricated in a differential form, with high-density (54 pairs) n-type/p-type single-crystal silicon thermocouples integrated within each thermopile (sample area ~0.045 mm2). The fabricated MEMS thermopile sensors exhibit outstanding power responsivity of 99.5 V/W and temperature responsivity of 27.8 mV/°C, which are more than 4 times higher than those reported for material thermal analysis. The high-responsivity MEMS DTA chips allow us to accurately measure the indium melting point at different heating rates of ~1-100 °C/s. We also perform DTA measurement of the dehydration process of CuSO4·5H2O and the crystals show three stages of losing water of crystallization before becoming anhydrous copper sulfate salt. Our high-performance, cost-effective MEMS sensing chips hold promise for rapid and accurate DTA characterization for a wide range of applications.
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Affiliation(s)
- Haozhi Zhang
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hao Jia
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weiwen Feng
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zao Ni
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pengcheng Xu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinxin Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
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33
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Xu P, Li X, Zhou Y, Chen Y, Wang X, Jia H, Li M, Yu H, Li X. Microcantilever-Based In Situ Temperature-Programmed Desorption (TPD) Technique. J Phys Chem Lett 2023; 14:567-575. [PMID: 36633431 DOI: 10.1021/acs.jpclett.2c02836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Temperature-programmed desorption (TPD) is an essential technique for characterizing the fundamental properties of advanced catalysts like catalytic activity and kinetics. However, the available TPD instruments are bulky and use ex situ detectors to measure the probe molecules in the elution gas flow. Herein, we demonstrate an in situ TPD technique by developing a silicon microcantilever that integrates functional elements for mass measuring and programmable sample heating. An only nanogram-level sample is required to load on the microcantilever free end, where the integrated microheater provides programmed temperatures and the desorption-induced mass change can be measured in situ. In situ TPD can continuously measure the number of desorbed molecules from the catalyst during programmed heating, without the need for ex situ detectors. With a single-time in situ TPD measurement, the desorption activation energy can be directly calculated. The proposed in situ TPD method outperforms the existing TPD techniques and is expected to enable next-generation TPD applications.
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Affiliation(s)
- Pengcheng Xu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Xinyu Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Yufan Zhou
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Ying Chen
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Xuefeng Wang
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Hao Jia
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Ming Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Haitao Yu
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Xinxin Li
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
- University of Chinese Academy of Sciences, Beijing100049, China
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34
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Liu C, Wang Y, Wang S, Xu P, Liu R, Han D, Wei Y. A Star-Shaped Copolymer with Tetra-Hydroxy-Phenylporphyrin Core and Four PNIPAM- b-PMAGA Arms for Targeted Photodynamic Therapy. Polymers (Basel) 2023; 15:polym15030509. [PMID: 36771810 PMCID: PMC9919623 DOI: 10.3390/polym15030509] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
The novel thermosensitive star-shaped tetra-hydroxy-phenylporphyrin-cored (THPP) double hydrophilic poly(N-isopropylacrylamide)-b-poly(methylacrylamide glucose) block copolymers (THPP-(PNIPAM-b-PMAGA)4) were synthesized via the reversible addition-fragmentation chain transfer (RAFT) polymerization. Notably, the low critical solution temperatures (LCSTs) of THPP-(PNIPAM-b-PMAGA)4 were above normal body temperature (37 °C) which depended on the hydrophilic PMAGA contents of copolymers. When the temperature was higher than the LCST of the copolymer, the copolymer could be neutralized into micelles in aqueous and could be coated with antitumor drugs and released around tumor cells. The MTT study indicated that THPP-(PNIPAM-b-PMAGA)4 had a low toxicity to L929 and HeLa cells in the absence of light. However, THPP-(PNIPAM-b-PMAGA)4 showed a high toxicity with HeLa cells under light irradiation which could be used as a potential photosensitizer for photodynamic therapy (PDT). In addition, THPP-(PNIPAM-b-PMAGA)4 showed specific a recognition function with Concanavalin A (Con A) to achieve active targeted drug delivery. This work provides a new approach for the development of tumor targeting and chemotherapy/PDT.
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Affiliation(s)
- Changling Liu
- School of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China
| | - Yirong Wang
- College of Biology and Food Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China
| | - Siyu Wang
- College of Biology and Food Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China
| | - Pengcheng Xu
- College of Biology and Food Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China
| | - Renning Liu
- College of Biology and Food Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China
| | - Dandan Han
- College of Biology and Food Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China
- Correspondence: (D.H.); (Y.W.)
| | - Yen Wei
- Department of Chemistry, The Tsinghua Center for Frontier Polymer Research, Tsinghua University, Beijing 100084, China
- Correspondence: (D.H.); (Y.W.)
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Liu C, Xu P, Shao S, Yang M, Li C, Li S, Liu W, Ding X, Ma J, Li G. Study on naked eye tracing of inguinal sentinel lymph nodes in penile cancer patients with carbon nanoparticle suspension injection. Front Med (Lausanne) 2023; 10:1139986. [PMID: 36968821 PMCID: PMC10033702 DOI: 10.3389/fmed.2023.1139986] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Accepted: 02/13/2023] [Indexed: 03/29/2023] Open
Abstract
Objective Exploratory study of the effect and clinical value of carbon nanoparticle suspension injection (CNSI) as a tracer for inguinal sentinel lymph nodes in penile cancer. Method We selected 29 patients with penile cancer in our department from January 2019 to October 2022. According to whether the CNSI tracer was injected during the pathological biopsy of the inguinal lymph nodes, the enrolled patients were assigned to the control group, the group in which CNSI was injected 12 h before the surgery (12HBS group) and the group in which CNSI was injected 0.5 h before the surgery (0.5HBS group). Evaluating the effectiveness of CNSI as a lymphatic tracer involves analyzing the following: its safety, the statistical analysis of the detection rate (DR) of different groups, the number of lymph nodes sent for each case (NOLNSFEC), the difference of positive rate of lymphatic metastasis (PROLM), and operation time (OT). Results The lymph nodes in the 12HBS group and 0.5HBS group had an obvious black staining appearance, and no adverse reactions or surgical complications were found. Most of the black-stained areas caused by CNSI injection were removed with penile excision, which did not affect the postoperative appearance. This did not affect the pathological analysis. The DR of lymph nodes in the 12HBS group was higher (p < 0.05) than that in the control group. More lymph nodes were removed for examination (p < 0.05), which improved the efficiency of surgery. Compared with the 12HBS group, the number of lymph nodes removed in the 0.5HBS group decreased (p < 0.05). The OT was shortened (p < 0.05), but there was no significant difference in the DR and PROLM. Conclusion CNSI was applied to the naked-eye tracing of inguinal sentinel lymph nodes in penile cancer, which is safe and efficient. Injection of CNSI 0.5 h before surgery can help identify the "foremost position" of sentinel lymph nodes and reduce surgical trauma.
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Affiliation(s)
- Chengyi Liu
- Department of Urology, LU’AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
| | - Pengcheng Xu
- Department of Urology, LU’AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
| | - Song Shao
- Department of Orthopaedic, LU'AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
| | - Mingshan Yang
- Department of Urology, Shandong Cancer Hospital, Affiliated Tumor Hospital of Shandong First Medical University, Ji’nan, Shandong, China
| | - Chao Li
- Department of Urology, LU’AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
| | - Shuangjie Li
- Department of Urology, LU’AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
| | - Wei Liu
- Department of Urology, LU’AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
| | - Xiaobo Ding
- Department of Urology, LU’AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
| | - Jici Ma
- Department of Urology, LU’AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
| | - Guangyuan Li
- Department of Urology, LU’AN Affiliated Hospital of Anhui Medical University, Lu'an, Anhui, China
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, Anhui, China
- *Correspondence: Guangyuan Li,
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Zhu F, Shen L, Xu P, Yuan H, Hu M, Qi J, Chen Y. Numerical Simulation of an Improved Updraft Biomass Gasifier Based on Aspen Plus. Int J Environ Res Public Health 2022; 19:17089. [PMID: 36554979 PMCID: PMC9779191 DOI: 10.3390/ijerph192417089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/08/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
In this paper, numerical investigation and optimization is conducted upon an improved updraft gasifier which is expected to overcome the weakness of conventional updraft gasifier. The comprehensive Aspen Plus model of the improved updraft gasifier is based on the RYield and RCSTR reactor. The tar prediction model is constructed, and the yield of tar is determined by the volatile of biomass and gasification temperature. The Aspen Plus simulation results agree very well with experiment results for the product yields and gasification efficiency, which shows the accuracy of the Aspen Plus model. The tar content in syngas of the improved gasifier is proved to be much lower than that of the conventional one by this model. The inflection point of the gasification efficiency occurs when air ratio is 0.25, and the optimum steam proportion in the air is 7.5%. Such a comprehensive investigation could provide necessary information for the optimal design and operation of the improved updraft gasifier.
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Affiliation(s)
- Fugang Zhu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China
- Everbright Greentech Technology Service (Jiangsu) Co., Ltd., Nanjing 211100, China
| | - Laihong Shen
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Pengcheng Xu
- Everbright Environmental Research Institute (Shenzhen) Co., Ltd., Shenzhen 518000, China
| | - Haoran Yuan
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Ming Hu
- Everbright Environmental Research Institute (Shenzhen) Co., Ltd., Shenzhen 518000, China
| | - Jingwei Qi
- Everbright Environmental Research Institute (Shenzhen) Co., Ltd., Shenzhen 518000, China
| | - Yong Chen
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
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Zhu W, Dong Y, Xu P, Pan Q, Jia K, Jin P, Zhou M, Xu Y, Guo R, Cheng B. A composite hydrogel containing resveratrol-laden nanoparticles and platelet-derived extracellular vesicles promotes wound healing in diabetic mice. Acta Biomater 2022; 154:212-230. [PMID: 36309190 DOI: 10.1016/j.actbio.2022.10.038] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [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: 03/25/2022] [Revised: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 01/24/2023]
Abstract
Diabetic wounds are difficult to heal because of persistent inflammation and limited angiogenesis. Resveratrol (RES) is an anti-inflammatory and antioxidant agent. Platelet-derived extracellular vesicles (PDEVs) are rich in growth factors and cytokines, which promote proliferation and angiogenesis. However, single drug treatment has limited efficacy and delivery efficiency. Bioengineering can improve the limited effect of single drugs by combining drugs and materials to obtain complementary or cooperative bioengineered drugs. In this study, gelatin methacrylate (GelMA) and silk fibroin glycidyl methacrylate (SFMA) were used to synthesize GelMA/SFMA composite hydrogels with suitable mechanical properties, swelling ratio and biodegradability. The composite hydrogel was used as a wound dressing for sustained drug release. RES was loaded into mesoporous silica nanoparticles (MSNs) to synthesize MSN-RES to enhance the release dynamic, and MSN-RES and PDEVs were combined with the composite hydrogels to form GelMA/SFMA/MSN-RES/PDEVs hydrogels. The GelMA/SFMA/MSN-RES/PDEVs had low cytotoxicity and good biocompatibility, inhibited macrophage iNOS expression, and promoted the tube formation by human umbilical vein endothelial cells (HUVECs) in vitro. In a diabetic mouse wound model, the GelMA/SFMA/MSN-RES/PDEVs hydrogels decreased the expression of pro-inflammatory factors TNF-α and iNOS, increased the expression of anti-inflammatory factors TGF-β1 and Arg-1, promoted angiogenesis, and accelerated wound healing. Interestingly, the GelMA/SFMA/MSN-RES/PDEVs hydrogels promoted the expression of extracellular purinergic signaling pathway-related CD73 and adenosine 2A receptor (A2A-R). Therefore, the GelMA/SFMA/MSN-RES/PDEVs hydrogels could be used as wound dressings to regulate the inflammation and angiogenesis of diabetic wounds and accelerate wound healing. STATEMENT OF SIGNIFICANCE: Drugs often fail to function because of a continuous oxidative stress microenvironment and inflammation. Here, a GelMA/SFMA hydrogel, with enhanced mechanical properties and liquid absorption ability, is proposed for sustained release of drugs. In addition to carrying platelet-derived extracellular vesicles (PDEVs) with pro-angiogenic effects, the hydrogels were also loaded with nanoparticle-encapsulated resveratrol with anti-inflammatory activities, aiming to reduce inflammation and oxidative stress in the wound microenvironment, such that the wound could receive proliferative repair signals to achieve sequential treatment and heal quickly. We also experimentally predicted that the regulatory mechanism of the GelMA/SFMA/MSN-RES/PDEVs in wound healing might be related to the extracellular purinergic signaling pathway.
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Affiliation(s)
- Weidong Zhu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Yunqing Dong
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Pengcheng Xu
- The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, China
| | - Qiao Pan
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Keyao Jia
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Panshi Jin
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China
| | - Mou Zhou
- Department of Blood Transfusion, General Hospital of Southern Theater Command, PLA, Guangzhou 510515, China
| | - Yubing Xu
- Department of Blood Transfusion, General Hospital of Southern Theater Command, PLA, Guangzhou 510515, China
| | - Rui Guo
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Guangdong Provincial Engineering and Technological Research Center for Drug Carrier Development, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China.
| | - Biao Cheng
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510120, China.
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Wang Z, Shu L, Xu P, Yin X, Lu C, Liu B, Li Y. Influence of land use changes on the remaining available aquifer storage (RAAS): A case study of the Taoerhe alluvial-proluvial fan. Sci Total Environ 2022; 849:157848. [PMID: 35932869 DOI: 10.1016/j.scitotenv.2022.157848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 07/09/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
Groundwater resources are important water sources for people living in arid-semiarid China. To solve the problem of continuously declining groundwater levels, groundwater artificial recharge has been widely conducted by using available aquifers. However, the effects of land use changes on the available aquifer storage, especially on the remaining available aquifer storage (RAAS), have not been fully explored. Here, we quantitatively evaluated the effects of land use changes on the RAAS, exemplifying the Taoerhe alluvial-proluvial fan. Independent component analysis (ICA) is used to determine precipitation- and groundwater extraction-affected RAASs, and regression equations are established for land use type areas and precipitation- and groundwater extraction-affected RAASs through stepwise regression and all-subsets regression. An integrated model combining the future land use simulation (FLUS) model and Markov-chain model is established to predict three land use change scenarios in 2036, and the impacts of land use changes on the precipitation- and groundwater extraction-affected RAASs are evaluated. The results show that land use changes were generally active from 2000 to 2018; during this time, the RAAS showed a fluctuating upward trend. Rational land use changes are critical to the RAAS. In the 2036 baseline scenario, the precipitation-affected RAAS is the smallest and the groundwater extraction-affected RAAS is the largest among the three scenarios, contrary to the economic development scenario results. The woodland conservation scenario shows that the groundwater level can be maintained at a stable level with appropriate woodland protection measures to ensure the stability of the RAAS, providing the most promising results for groundwater development and utilization in the study area. These results temporally quantify the effects of land use changes on the precipitation- and groundwater extraction-affected RAASs and provide a reference for developing artificial recharge schemes in arid-semiarid regions and studying the effects of land use changes on available aquifer storages.
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Affiliation(s)
- Zhe Wang
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China; College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
| | - Longcang Shu
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China; College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China.
| | - Pengcheng Xu
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China; College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
| | - Xiaoran Yin
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China; College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
| | - Chengpeng Lu
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China; College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
| | - Bo Liu
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China; College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
| | - Yuxi Li
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China; College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
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Xu P, Chang D, Lu T, Li L, Li M, Lu W. Search for ABO 3 Type Ferroelectric Perovskites with Targeted Multi-Properties by Machine Learning Strategies. J Chem Inf Model 2022; 62:5038-5049. [PMID: 34375112 DOI: 10.1021/acs.jcim.1c00566] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Ferroelectric perovskites are one of the most promising functional materials due to the pyroelectric and piezoelectric effect. In the practical applications of ferroelectric perovskites, it is often necessary to meet the requirements of multiple properties. In this work, a multiproperties machine learning strategy was proposed to accelerate the discovery and design of new ferroelectric ABO3-type perovskites. First, a classification model was constructed with data collected from publications to distinguish ferroelectric and nonferroelectric perovskites. The classification accuracies of LOOCV and the test set are 87.29% and 86.21%, respectively. Then, two machine learning strategies, Machine-Learning Workflow and SISSO, were used to construct the regression models to predict the specific surface area (SSA), band gap (Eg), Curie temperature (Tc), and dielectric loss (tan δ) of ABO3-type perovskites. The correlation coefficients of LOOCV in the optimal models for SSA, Eg, and Tc are 0.935, 0.891, and 0.971, respectively, while the correlation coefficient of the predicted and experimental values of the SISSO model for tan δ prediction could reach 0.913. On the basis of the models, 20 ABO3 ferroelectric perovskites with three different application prospects were screened out with the required properties, which could be explained by the patterns between the important descriptors and the properties by using SHAP. Furthermore, the constructed models were developed into web servers for the researchers to accelerate the rational design and discovery of ABO3 ferroelectric perovskites with desired multiple properties.
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Affiliation(s)
- Pengcheng Xu
- Materials Genome Institute, Shanghai University, and Shanghai Materials Genome Institute, Shanghai 200444, China
| | - Dongping Chang
- Materials Genome Institute, Shanghai University, and Shanghai Materials Genome Institute, Shanghai 200444, China
| | - Tian Lu
- Materials Genome Institute, Shanghai University, and Shanghai Materials Genome Institute, Shanghai 200444, China
| | - Long Li
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Minjie Li
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Wencong Lu
- Materials Genome Institute, Shanghai University, and Shanghai Materials Genome Institute, Shanghai 200444, China.,Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
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Li X, Xu P, Zhou Y, Chen Y, Jia H, Yu H, Li X. In Situ Hydrogen Temperature-Programmed Reduction Technology Based on the Integrated Microcantilever for Metal Oxide Catalyst Analysis. Anal Chem 2022; 94:16502-16509. [DOI: 10.1021/acs.analchem.2c04156] [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: 11/12/2022]
Affiliation(s)
- Xinyu Li
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pengcheng Xu
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yufan Zhou
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ying Chen
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Hao Jia
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Haitao Yu
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Xinxin Li
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Zheng Y, Qian S, Xu P, Ma T, Huang S. BF3⋅Et2O Promoted Inverse‐Electron‐Demand Oxa‐Diels‐Alder Reaction of Alkylidene Isoxazol‐5‐ones with Unactivated Alkenes. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200805] [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: 11/09/2022]
Affiliation(s)
- Yu Zheng
- Nanjing Forestry University CHINA
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Tian Y, Qiao H, Yao T, Gao S, Dai L, Zhao J, Chen Y, Xu P. Highly Sensitive MEMS Sensor Using Bimetallic Pd-Ag Nanoparticles as Catalyst for Acetylene Detection. Sensors (Basel) 2022; 22:7485. [PMID: 36236585 PMCID: PMC9570800 DOI: 10.3390/s22197485] [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: 08/23/2022] [Revised: 09/23/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
Acetylene detection plays an important role in fault diagnosis of power transformers. However, the available dissolved gas analysis (DGA) techniques have always relied on bulky instruments and are time-consuming. Herein, a high-performance acetylene sensor was fabricated on a microhotplate chip using In2O3 as the sensing material. To achieve high sensing response to acetylene, Pd-Ag core-shell nanoparticles were synthesized and used as catalysts. The transmission electron microscopy (TEM) image clearly shows that the Ag shell is deposited on one face of the cubic Pd nanoseeds. By loading the Pd-Ag bimetallic catalyst onto the surface of In2O3 sensing material, the acetylene sensor has been fabricated for acetylene detection. Due to the high catalytic performance of Pd-Ag bimetallic nanoparticles, the microhotplate sensor has a high response to acetylene gas, with a limit of detection (LOD) of 10 ppb. In addition to high sensitivity, the fabricated microhotplate sensor exhibits satisfactory selectivity, good repeatability, and fast response to acetylene. The high performance of the microhotplate sensor for acetylene gas indicates the application potential of trace acetylene detection in power transformer fault diagnosis.
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Affiliation(s)
- Yuan Tian
- State Grid Hebei Electric Power Co., Ltd., Electric Power Research Institute, Shijiazhuang 050021, China
| | - Hui Qiao
- Equipment Department of State Grid Hebei Electric Power Co., Ltd., Shijiazhuang 050022, China
| | - Tao Yao
- State Grid Hebei Information & Telecommunication Branch, Shijiazhuang 050013, China
| | - Shuguo Gao
- State Grid Hebei Electric Power Co., Ltd., Electric Power Research Institute, Shijiazhuang 050021, China
| | - Lujian Dai
- State Grid Hebei Electric Power Co., Ltd., Electric Power Research Institute, Shijiazhuang 050021, China
| | - Jun Zhao
- State Grid Hebei Electric Power Co., Ltd., Electric Power Research Institute, Shijiazhuang 050021, China
| | - Ying Chen
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Pengcheng Xu
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
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Wu L, Zhong Y, Yu X, Wu D, Xu P, Lv L, Ruan X, Liu Q, Feng Y, Liu J, Li X. Selective poly adenylation predicts the efficacy of immunotherapy in patients with lung adenocarcinoma by multiple omics research. Anticancer Drugs 2022; 33:943-959. [PMID: 35946526 PMCID: PMC9481295 DOI: 10.1097/cad.0000000000001319] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 06/14/2022] [Indexed: 02/05/2023]
Abstract
The aim of this study was to find the application value of selective polyadenylation in immune cell infiltration, biological transcription function and risk assessment of survival and prognosis in lung adenocarcinoma (LUAD). The processed original mRNA expression data of LUAD were downloaded, and the expression profiles of 594 patient samples were collected. The (APA) events in TCGA-NA-SEQ data were evaluated by polyadenylation site use Index (PDUI) values, and the invasion of stromal cells and immune cells and tumor purity were calculated to group and select the differential genes. Lasso regression and stratified analysis were used to examine the role of risk scores in predicting patient outcomes. The study also used the GDSC database to predict the chemotherapeutic sensitivity of each tumor sample and used a regression method to obtain an IC50 estimate for each specific chemotherapeutic drug treatment. Then CIBERSORT algorithm was used to conduct Spearman correlation analysis, immune regulatory factor analysis and TIDE immune system function analysis for gene expression level and immune cell content. Finally, the Kaplan-Meier curve was used to analyze the correlation between stromal score and the immune score of LUAD. In this study, APA's LUAD risk score prognostic model was constructed. KM survival analysis showed that immune score affected the prognosis of LUAD patients ( P = 0.027) but the matrix score was not statistically significant ( P = 0.1). We extracted 108 genes with APA events from 827 different genes and based on PUDI clustering and heat map, the survival rate of patients in the four groups was significantly different ( P = 0.05). Multiple omics studies showed that risk score was significantly positively correlated with Macrophages M0, T cells Follicular helper, B cells naive and NK cells resting. It is significantly negatively correlated with dendritic cells resting, mast cells resting, monocyte, T cells CD4 memory resting and B cells memory. We further explored the relationship between the expression of immunosuppressor genes and risk score and found that ADORA2A, BTLA, CD160, CD244, CD274, CD96, CSF1R and CTLA4 genes were highly correlated with the risk score. Selective poly adenylation plays an important role in the development and progression of LUAD, immune invasion, tumor cell invasion and metastasis and biological transcription, and affects the survival and prognosis of LUAD patients.
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Affiliation(s)
- Liusheng Wu
- Peking University Shenzhen Hospital, Clinical College of Anhui Medical University
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
| | - Yanfeng Zhong
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
| | - Xiaoya Yu
- First Clinical Medical College, Southern Medical University, Guangzhou
| | - Dingwang Wu
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
| | - Pengcheng Xu
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
| | - Le Lv
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
| | - Xin Ruan
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
- Shantou University Medical College, Shantou, Guangdong, China
| | - Qi Liu
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
| | - Yu Feng
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
| | - Jixian Liu
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
| | - Xiaoqiang Li
- Peking University Shenzhen Hospital, Clinical College of Anhui Medical University
- Peking University Shenzhen Hospital, Thoracic surgery, Shenzhen
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Fan K, Sun Y, Xu P, Guo J, Li Z, Shao M. Single-atom Catalysts Based on Layered Double Hydroxides. Chem Res Chin Univ 2022. [DOI: 10.1007/s40242-022-2254-z] [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: 11/30/2022]
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Wu L, Zhong Y, Wu D, Xu P, Ruan X, Yan J, Liu J, Li X. Immunomodulatory Factor TIM3 of Cytolytic Active Genes Affected the Survival and Prognosis of Lung Adenocarcinoma Patients by Multi-Omics Analysis. Biomedicines 2022; 10:biomedicines10092248. [PMID: 36140350 PMCID: PMC9496572 DOI: 10.3390/biomedicines10092248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 08/31/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
[Objective] Using multi-omics research methods to explore cytolytic activity-related genes through the immunoregulatory factors HAVCR2 (TIM3) affecting the survival and prognosis of lung adenocarcinoma. [Methods] We combined Cox single factor regression and lasso regression feature selection algorithm to screen out the key genes of cytolytic activity in lung adenocarcinoma, and applied multi-omics research to explore the clinical predictive value of the model, including onset risk, independent prognosis, clinical relevance, signal transduction pathways, drug sensitivity, and the correlation of immune regulatory factors, etc. TCGA data are used as the experimental group, and GEO data is used as the external data control group to verify the stability of the model. The survival curve was generated by the Kaplan–Meier method and compared by log-rank, and the Cox proportional hazard model was used for multivariate analysis. In this study, 10 fresh tissue samples of lung adenocarcinoma were collected for cellular immunohistochemical experiments to analyze the expression of immunoregulatory factors in cancer tissues, and the key immunoregulatory factors were verified and screened out. [Results] A total of 450 genes related to cytolytic activity were differentially expressed, of which 273 genes were up-regulated and 177 genes were down-regulated. A total of 91 key genes related to cytolytic activity related to the prognosis of lung adenocarcinoma were screened through Cox single factor regression. The ROC curve results showed that the AUC values of 1, 3, and 5 years in the training set and test set were all greater than 0.7, indicating that the model has a valid verification. The level of risk score is significantly related to the sensitivity of patients to AKT inhibitor VIII, Lenalidomide, and Tipifarnib. In addition, our study also found that receptor and MHC genes related to immunomodulatory, and chemokines, including HAVCR2, are more highly expressed in the low-risk group. [Conclusions] HAVCR2 (TIM3) immunoregulatory factors affect the expression of key genes that affect cytolytic activity in lung adenocarcinoma cells, and to some extent indirectly affect the survival and prognosis of patients with lung adenocarcinoma.
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Affiliation(s)
- Liusheng Wu
- Peking University Shenzhen Hospital, Clinical College of Anhui Medical University, Tsinghua university, Shenzhen 518036, China
- Thoracic Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Yanfeng Zhong
- Thoracic Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Dingwang Wu
- Thoracic Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Pengcheng Xu
- Thoracic Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Xin Ruan
- Thoracic Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Jun Yan
- Peking University Shenzhen Hospital, Clinical College of Anhui Medical University, Tsinghua university, Shenzhen 518036, China
- Correspondence: (J.Y.); (J.L.); (X.L.)
| | - Jixian Liu
- Thoracic Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
- Correspondence: (J.Y.); (J.L.); (X.L.)
| | - Xiaoqiang Li
- Thoracic Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
- Correspondence: (J.Y.); (J.L.); (X.L.)
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46
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Gong L, Wang C, Xu P, Gong J, Zhu C, Di S, Li Y, Mu Y, Han H, Zhang Q, Lin Z. Polymeric Nanoreactors with Chemically Tunable Redox Responsivity. ACS Appl Mater Interfaces 2022; 14:40266-40275. [PMID: 35983858 DOI: 10.1021/acsami.2c07663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Bioresponsive nanomaterials are increasingly important in a variety of applications such as disease imaging, drug delivery, and tissue engineering. However, it remains a big challenge to manipulate response efficacy of such materials for performance optimization in a highly complex milieu in vivo. Here, we developed chemically adjustable nanoreactors (CANs) with the structure of polymeric cores and albumin shells to achieve tunable redox responsivity. In vitro characterization demonstrates stable, spherical nanoparticles of the CANs with a particle size of about 50 nm. The fluorescence activation ratios of the CANs are determined by various albumin modification densities on the shell. Meanwhile, the response sensitivity of the CANs to GSH levels (0.6-4 mM) can be tuned by acid-base properties of polymeric blocks in the core. This unique tunable redox responsivity enables the CANs suitable for probe optimization in cancer imaging both in vivo and at histological levels. Overall, this study offers a new design strategy for manipulation on performance of core/shell nanoreactors or bioresponsive nanomaterials.
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Affiliation(s)
- Lidong Gong
- Institute of Systems Biomedicine, Beijing Key Laboratory of Tumor Systems Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, P. R. China
| | - Changrong Wang
- Shandong New Drug Loading & Release Technology and Preparation Engineering Laboratory, Binzhou Medical University, Yantai 264003, P. R. China
| | - Pengcheng Xu
- Department of Pharmaceutical Engineering, College of Pharmacy, Inner Mongolia Medical University, Hohhot 010110, P. R. China
| | - Jingjing Gong
- Institute of Systems Biomedicine, Beijing Key Laboratory of Tumor Systems Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, P. R. China
| | - Chuanda Zhu
- Institute of Systems Biomedicine, Beijing Key Laboratory of Tumor Systems Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, P. R. China
| | - Shiming Di
- Institute of Systems Biomedicine, Beijing Key Laboratory of Tumor Systems Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, P. R. China
| | - Yanglonghao Li
- Institute of Systems Biomedicine, Beijing Key Laboratory of Tumor Systems Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, P. R. China
| | - Yongxu Mu
- The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou 014040, P. R. China
| | - Hongbin Han
- Institute of Medical Technology, Beijing Key Laboratory of Magnetic Resonance Imaging Equipment and Technique, Peking University Health Science Center, Beijing 100191, P. R. China
| | - Qiang Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zhiqiang Lin
- Institute of Systems Biomedicine, Beijing Key Laboratory of Tumor Systems Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, P. R. China
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47
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Zhan Y, Cao J, Ji L, Zhang M, Shen Q, Xu P, Zhuang X, Qin S, Hua F, Sun L, Li F, Chen H, Cheng Y. Impaired mitochondria of Tregs decreases OXPHOS-derived ATP in primary immune thrombocytopenia with positive plasma pathogens detected by metagenomic sequencing. Exp Hematol Oncol 2022; 11:48. [PMID: 36050760 PMCID: PMC9434515 DOI: 10.1186/s40164-022-00304-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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 08/18/2022] [Indexed: 11/11/2022] Open
Abstract
Background Primary immune thrombocytopenia (ITP) is an autoimmune disease. Some ITP patients are associated with pathogen infection undetected with conventional technologies. Investigating the changes of T cells and potential metabolic mechanism are important for better understanding of ITP. Methods The study enrolled 75 newly diagnosed ITP patients. The pathogens of patients were detected by metagenomic next-generation sequencing (mNGS). Plasma lipids were measured by liquid chromatography-mass spectrometry (LC–MS). CD4 T cell and CD8 T cell were analyzed using flow cytometry. Mitochondrial reactive oxygen species (ROS) and mitochondrial membrane potential were measured by flow cytometry. Seahorse XF real-time ATP rate assay was used to investigate the change of cellular metabolism. Results Positive plasma pathogens were detected in seven ITP patients. Of them, 5 (71.4%) positive pathogen-ITP patients were no response (NR) after first-line treatment with corticosteroids. Regulatory T cells (Tregs) increased significantly in positive pathogen-ITP patients compared to negative pathogen-ITP patients and healthy controls (HC). Mitochondrial membrane potential of Th17 and Tregs were decreased in positive pathogen-ITP and negative pathogen-ITP patients, compared to HC (all p < 0.05). The overall metabolism flux of positive pathogen-ITP patients was decreased, as compared to HC (p = 0.004), of them a higher proportion of glycolysis-derived ATP and a smaller proportion of oxidative phosphorylation (OXPHOS)-derived ATP were found in Tregs. The ATP rate index of Tregs was decreased significantly in positive pathogen-ITP patients compared to negative pathogen-ITP patients and HC (p < 0.05). Conclusions Impaired mitochondria function of Tregs in positive pathogen-ITP patients caused a decrease of OXPHOS-derived ATP and overall metabolism flux that might be the cause of steroid resistance in ITP patients.
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Affiliation(s)
- Yanxia Zhan
- Department of Hematology, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China
| | - Jingjing Cao
- Department of Hematology, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China
| | - Lili Ji
- Department of Hematology, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China
| | - Miaomiao Zhang
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Qi Shen
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Pengcheng Xu
- Department of Hematology, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China.,Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Xibing Zhuang
- Department of Hematology, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China.,Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China
| | - Shanshan Qin
- Department of Hematology, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China.,Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Fanli Hua
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Lihua Sun
- Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Feng Li
- Department of Hematology, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China.,Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China
| | - Hao Chen
- Department of Thoracic Surgery, Zhongshan Hospital Xuhui Branch, Fudan University, 966 Mid Huaihai Rd, Shanghai, 200031, China.
| | - Yunfeng Cheng
- Department of Hematology, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China. .,Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032, China. .,Center for Tumor Diagnosis & Therapy, Jinshan Hospital, Fudan University, Shanghai, 201508, China. .,Department of Hematology, Zhongshan Hospital Qingpu Branch, Fudan University, Shanghai, 201700, China.
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48
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Xu P, Shao X, Ou Y, Zhan Y, Ji L, Zhuang X, Li Y, Ma Y, Wu D, Qiao T, Wang X, Chen H, Cheng Y. Neutrophils contribute to elevated
BAFF
levels to modulate adaptive immunity in patients with primary immune thrombocytopenia by
CD62P
and
PSGL1
interaction. Clin & Trans Imm 2022; 11:e1399. [PMID: 35782911 PMCID: PMC9237625 DOI: 10.1002/cti2.1399] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/25/2022] [Accepted: 06/03/2022] [Indexed: 02/06/2023]
Affiliation(s)
- Pengcheng Xu
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
| | - Xia Shao
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
| | - Yang Ou
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
| | - Yanxia Zhan
- Department of Hematology Zhongshan Hospital, Fudan University Shanghai China
| | - Lili Ji
- Department of Hematology Zhongshan Hospital, Fudan University Shanghai China
| | - Xibing Zhuang
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
| | - Ying Li
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
| | - Yanna Ma
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
| | - Duojiao Wu
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
- Institute of Clinical Science Zhongshan Hospital, Fudan University Shanghai China
| | - Tiankui Qiao
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
| | - Xiangdong Wang
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
- Institute of Clinical Science Zhongshan Hospital, Fudan University Shanghai China
| | - Hao Chen
- Department of Thoracic Surgery Zhongshan Hospital Xuhui Branch, Fudan University Shanghai China
| | - Yunfeng Cheng
- Center for Tumor Diagnosis & Therapy Jinshan Hospital, Fudan University Shanghai China
- Department of Hematology Zhongshan Hospital, Fudan University Shanghai China
- Institute of Clinical Science Zhongshan Hospital, Fudan University Shanghai China
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49
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Yao F, Xu P, Jia H, Li X, Yu H, Li X. Thermogravimetric Analysis on a Resonant Microcantilever. Anal Chem 2022; 94:9380-9388. [PMID: 35731930 DOI: 10.1021/acs.analchem.2c01374] [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: 11/29/2022]
Abstract
Thermogravimetric analysis (TGA) is a widely applied classic method for material characterization. However, the existing TGA method has reached its technical ceiling in regard to its sensitivity, efficiency, application scope, and extensibility. With temperature-programming and a picogram (10-12 g) mass resoluble measurement function, an integrated resonant microcantilever is proposed and developed into micro-electromechanical system-based TGA (MEMS TGA) technology to satisfy the significantly higher TGA requirements. With only a nanogram (10-9 g) level of a loaded sample, the microcantilever can conduct ultrasensitive mass-loss analysis along with ultrafast and controllable heating up to 1200 °C. Experiments have verified that MEMS TGA can improve heating efficiency by at least one order of magnitude compared to conventional TGA while maintaining measurement accuracy. The trace sample requirement also enables MEMS TGA to directly test explosive substances in an air atmosphere, while conventional TGA with a larger amount of sample has difficulty in avoiding explosion-induced equipment damage during heating. The silicon MEMS TGA microchip also exhibits functional combination (even integration) with other analytical techniques such as Raman spectroscopy to realize operando characterization.
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Affiliation(s)
- Fanglan Yao
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pengcheng Xu
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hao Jia
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Xinyu Li
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Haitao Yu
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Xinxin Li
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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50
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Xu P, Chen C, Chen S, Lu W, Qian Q, Zeng Y. Machine Learning-Assisted Design of Yttria-Stabilized Zirconia Thermal Barrier Coatings with High Bonding Strength. ACS Omega 2022; 7:21052-21061. [PMID: 35755382 PMCID: PMC9219529 DOI: 10.1021/acsomega.2c01839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
As a high-quality thermal barrier coating material, yttria-stabilized zirconia (YSZ) can effectively reduce the temperature of the collective materials to be used on the surface of gas turbine hot-end components. The bonding strength between YSZ and the substrate is also one of the most important factors for the applications. Herein, the Gaussian mixture model (GMM) and support vector regression (SVR) were used to construct a machine learning model between YSZ coating bonding strength and atmospheric plasma spraying (APS) process parameters. First, GMM was used to expand the original 8 data points to 400 with the R value of leave-one-out cross-validation improved from 0.690 to 0.990. Then, the specific effects of APS process parameters were explored through Shapley additive explanations and sensitivity analysis. Principal component analysis was used to explain the constructed model and obtain the optimized area with a high bonding strength. After experimental validation, the results showed that under the APS process parameters of a current of 617 A, a voltage of 65 V, a H2 flow of 3 L min-1, and a thickness of 200 μm, the bonding strength increased by more than 19% to 55.5 MPa compared with the original maximum value of 46.6 MPa, indicating that the constructed GMM-SVR model can accurately predict the bonding strength of YSZ coating.
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Affiliation(s)
- Pengcheng Xu
- Materials
Genome Institute, Shanghai University, Shanghai 200444, China
| | - Can Chen
- The
State Key Lab of High Performance Ceramics and Superfine Micro-structure,
Shanghai Institute of Ceramics, Chinese
Academy of Sciences, Shanghai 200050, China
| | - Shuizhou Chen
- School
of Computer Engineering and Science, Shanghai
University, Shanghai 200444, China
| | - Wencong Lu
- Materials
Genome Institute, Shanghai University, Shanghai 200444, China
- Department
of Chemistry, College of Sciences, Shanghai
University, Shanghai 200444, China
| | - Quan Qian
- School
of Computer Engineering and Science, Shanghai
University, Shanghai 200444, China
| | - Yi Zeng
- The
State Key Lab of High Performance Ceramics and Superfine Micro-structure,
Shanghai Institute of Ceramics, Chinese
Academy of Sciences, Shanghai 200050, China
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