151
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Hobbis D, Yaddanapudi S, Brooks J, Pafundi D, Jackson A, Tryggestad E, Moseley D, Routman D, Stish B, Lucido J, Ma J, Fatyga M, Anand A, Rong Y, Foote R, Patel S. Comparisons of Clinical and Reference Standard Contours to AI Auto-Segmentation: An Evaluation of 5 Commercial Models in Head and Neck Organ at Risk Delineation. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.888] [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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152
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Mao Y, Wang S, Gao T, Zhang N, Liang X, Tang L, Zhou G, Guo R, Zhang Y, Chen L, Luo W, Li Y, Liang S, Lin L, Li W, Liu X, Xu C, Lv J, Liu L, Li J, Xie F, Sun Y, Ma J. Sparing Irradiation vs. Conventional Irradiation to the Medial Retropharyngeal Space in Patients with Nasopharyngeal Carcinoma: An Open-Label, Non-Inferiority, Multicenter, Randomized Phase III Trial. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.517] [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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153
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Prezelski K, Hsu D, del Balzo L, Ma J, Pike L, Ballangrud A, Aristophanous M. Artificial Intelligence-Driven Measurement of Brain Metastases' SRS Response – A Comparison with Current Standards for Assessment. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.901] [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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154
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Li J, Liu N, Ma J. Tumor Cell-Intrinsic E3 Ligase TRIM21 Restrains Radiation-Induced Antitumor Immunity by Decreasing Mitochondrial DNA Release from VDAC2 Oligomers. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.2082] [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: 11/26/2022]
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155
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Ma J, Guo R, Lin J, Xu C, Li J, Wu Y, Zhang X, Tang L, Sun Y. Long-Term Outcome Following Intensity-Modulated Radiotherapy Delivered Using Individualized Clinical Target Volume Delineation Based on Stepwise Spread Pattern of Nasopharyngeal Carcinoma. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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156
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Ma J, Yu H, Gelblum D, Kroen E, Shaverdian N, Tsai C, Yang J, Rimner A, Huang J, Gomez D. Factors Associated with Outcomes in Patients with Metastatic NSCLC Receiving Osimertinib and Consolidative Radiation Therapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1579] [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: 11/26/2022]
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157
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Wang R, Huang X, Cao T, Sun C, Luo D, Qiu H, Wu M, Huang X, Yu C, Li J, Kong D, Ma J, Zhang X, Hu P, Zhang Y, Luo C, Zhao H, Li Y, Deng Y, Qin C, Xie L. Development of a thermostable SARS-CoV-2 variant-based bivalent protein vaccine with cross-neutralizing potency against Omicron subvariants. Virology 2022; 576:61-68. [PMID: 36174448 PMCID: PMC9486464 DOI: 10.1016/j.virol.2022.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 08/23/2022] [Accepted: 09/05/2022] [Indexed: 01/07/2023]
Abstract
SARS-CoV-2 variants have posed significant challenges to the hopes of using ancestral strain-based vaccines to address the risk of breakthrough infection by variants. We designed and developed a bivalent vaccine based on SARS-CoV-2 Alpha and Beta variants (named SCTV01C). SCTV01C antigens were stable at 25 oC for at least 6 months. In the presence of a squalene-based oil-in-water adjuvant SCT-VA02B, SCTV01C showed significant protection efficacy against antigen-matched Beta variant, with favorable safety profiles in rodents. Notably, SCTV01C exhibited cross-neutralization capacity against Omicron subvariants (BA.1, BA.1.1, BA.2, BA.3, and BA.4/5) in mice, superior to a WT (D614G)-based vaccine, which reinforced our previously published findings that SCTV01C exhibited broad-spectrum neutralizing potencies against over a dozen pre-Omicron variants and the Omicron BA.1 variant. In summary, variant-based multivalent protein vaccine could be a platform approach to address the challenging issues of emerging variants, vaccine hesitancy and the needs of affordable and thermal stable vaccines.
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Affiliation(s)
- Rui Wang
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Xun Huang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Tianshu Cao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Chunyun Sun
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Dan Luo
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Hongying Qiu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Mei Wu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Xingyao Huang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Chulin Yu
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Jing Li
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Desheng Kong
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Juan Ma
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Xiao Zhang
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Ping Hu
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Yanjing Zhang
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Chunxia Luo
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China
| | - Hui Zhao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Yuchang Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Yongqiang Deng
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China.
| | - Chengfeng Qin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China.
| | - Liangzhi Xie
- Beijing Engineering Research Center of Protein and Antibody, Sinocelltech Ltd., Beijing, 100176, China; Cell Culture Engineering Center, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100005, China.
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158
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Tian Y, Ma J, Zhu H, Yu J. Outcomes of First-Line Anti-PD-L1 Blockades Combined with Brain Radiotherapy (BRT) for Extensive-Stage Small-Cell Lung Cancer (ES-SCLC) with Brain Metastases (BM). Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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159
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Tian YX, Guo X, Ma J, Liu QY, Li SJ, Wu YH, Zhao WH, Ma SY, Chen HY, Guo F. Characterization of biochar-derived organic matter extracted with solvents of differing polarity via ultrahigh-resolution mass spectrometry. Chemosphere 2022; 307:135785. [PMID: 35870614 DOI: 10.1016/j.chemosphere.2022.135785] [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: 02/16/2022] [Revised: 06/10/2022] [Accepted: 07/17/2022] [Indexed: 06/15/2023]
Abstract
In recent years, biochar, a porous carbon-based material, has gained attention for its application prospects in contaminated soil remediation and soil improvement. Biochar-derived organic matter has a key role in influencing the migration and transformation of soil elements and pollutants. However, existing research concerning the molecular characteristics of biochar-derived organic matter is limited. Here, we used four polar solvents - dichloromethane (CH2Cl2), acetone (CH3COCH3), methanol (CH3OH), and distilled water (H2O) - to extract organic matter from soybean straw biochar and wheat straw biochar by accelerated solvent extraction (ASE). We characterized the extracts using Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR-MS). We found considerable differences in organic matter according to the extraction solvents; such differences were related to the polarity of the solvent, as well as intermolecular forces between the solvent and organic matter. CH3OH extracted the most biochar-extractable organic matter components because CH3OH can weaken or destroy oxygen bridge bonds in biochar and form hydrogen bonds with small-molecule organic compounds. CH3OH and H2O have strong extraction capacity for compounds containing heteroatoms. CH2Cl2-extractable organic matter is relatively labile and bioavailable, while CH3OH- and H2O-extractable organic matters are relatively stable. In addition, the binding capacity of biochar-derived organic matter for minerals and pollutants differed among fractions, in part because of differences in molecular weight, atomic O/C and H/C ratios, heteroatom distribution, and biomolecular compounds present in biochar-derived organic matter. The findings in this study help to select appropriate extractants to analyze biochar-derived organic matter for various research purposes, and provides a theoretical basis for biochar-based remediation of contaminated soil.
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Affiliation(s)
- Y X Tian
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - X Guo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; School of Environmental, Liaoning University, Shenyang, 110036, China
| | - J Ma
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Q Y Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; School of Earth Science and Engineering, Sun Yat-Sen University, Guangzhou, 510275, China
| | - S J Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; School of Environmental, Liaoning University, Shenyang, 110036, China
| | - Y H Wu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - W H Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - S Y Ma
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; College of Environmental and Resource Sciences, Shan Xi University, Shan Xi, 030006, China
| | - H Y Chen
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.
| | - F Guo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.
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160
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Ma T, Li YH, Chen MM, Ma Y, Gao D, Chen L, Ma Q, Zhang Y, Liu JY, Wang XX, Dong YH, Ma J. [Associations between early onset of puberty and obesity types in children: Based on both the cross-sectional study and cohort study]. Beijing Da Xue Xue Bao Yi Xue Ban 2022; 54. [PMID: 36241240 PMCID: PMC9568395 DOI: 10.19723/j.issn.1671-167x.2022.05.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
OBJECTIVE To explore and analyze the relationship between early onset of puberty and different types of obesity in children, by combining large sample cross-sectional survey data with long-term longitudinal cohort data, so as to provide clues for further clarifying the health hazards of early onset of puberty and obesity prevention and control. METHODS The research data were from the cross-sectional survey data of seven provinces(autonomous regions, municipalities) in China and the cohort data of adolescent development in Xiamen. The study first found the association between early onset of puberty and obesity by Logistic regression on the cross-sectional data, and then used Poisson regression to analyze the association between early puberty initiation and various types of obesity risk. RESULTS In the study, 43 137 and 1 266 children were included in the cross-sectional survey and cohort survey respectively. The cross-sectional study found that among the girls aged 10-13 years, compared with the girls of the same age who did not start puberty, the body mass index (BMI)-Z score of the girls in the puberty start group was 0.5-0.8 higher, and the waist circumference Z score was 0.4-0.7 higher, and the risk of various types of obesity was higher. At the same time, the early onset of puberty was positively correlated with simple obesity, central obesity and compound obesity, the OR (95%CI) were 1.86 (1.42-2.44), 1.95 (1.65-2.32) and 1.86 (1.41-2.45), respectively. No significant association was found in boys. According to the cohort data, in girls, the risk of simple obesity was 6.00 times [RR (95%CI): 6.00 (1.07-33.60)], the risk of central obesity was 3.30 times [RR (95%CI): 3.30 (1.22-8.92)], and the risk of compound obesity was 5.76 times [RR (95%CI): 5.76 (1.03-32.30)], compared with the group without early puberty initiation, while no association between early puberty initiation and obesity was found in boys. CONCLUSION Based on the cross-sectional survey and longitudinal cohort survey, it is confirmed that the early onset of puberty in girls may increase the risk of simple obesity, central obesity and compound obesity, while there is no significant correlation between puberty onset and obesity in boys.
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Affiliation(s)
- T Ma
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - Y H Li
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - M M Chen
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - Y Ma
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - D Gao
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - L Chen
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - Q Ma
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - Y Zhang
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - J Y Liu
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - X X Wang
- School of Public Health and Management, Ningxia Medical University, Yinchuan 750004, China
| | - Y H Dong
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
| | - J Ma
- Institute of Child and Adolescent Health, Peking University School of Public Health, Beijing 100191, China
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161
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Qin X, Zhuang Y, Ma J, Liu S, Shi B. Enhanced toxicity effects of iron particles together with PFOA in drinking water. Environ Pollut 2022; 311:119919. [PMID: 35977639 DOI: 10.1016/j.envpol.2022.119919] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 07/23/2022] [Accepted: 08/03/2022] [Indexed: 06/15/2023]
Abstract
Iron particles present in drinking water distribution systems (DWDSs) could cause discoloration, while organic pollutants in DWDSs, such as perfluorooctanoic acid (PFOA), could be enriched by iron particles. However, little is known about the enhanced effects of PFOA and iron particles in DWDSs. To fill in these knowledge gaps, herein, iron-PFOA (FEP) particles were generated using residual chlorine as an oxidant in drinking water conditions and then separated into different sizes (ranging from small to large: FEP-S, FEP-M ,and FEP-L). FEP-S harbored the greatest cytotoxicity among the sizes. Interestingly, our data revealed that the PFOA released from FEP particles transformed into PFOS (perfluorooctane sulfonate) upon digestion in the gastrointestinal environment (GI), and FEP-L bored the strongest transformation, showing a toxicity profile that was distinct from that of FEP-S. Furthermore, mechanistic studies revealed that FEP per se should be accountable for the conversion of PFOA to PFOS dependent on the generation of hydroxyl radicals (·OH) in GI, and that FEP-L revealed the greatest production of ·OH. Collectively, these results showed how iron particles and PFOA could result in enhanced toxicity effects in drinking water: (i) PFOA could increase the toxicity of iron particles by reducing particle size and inducing higher generation of ·OH; (ii) iron particles could induce the transformation of PFOA into more toxic PFOS through digestion.
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Affiliation(s)
- Xinyi Qin
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Yuan Zhuang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Juan Ma
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Baoyou Shi
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
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162
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Feng W, Xiao Y, Zhao C, Zhang Z, Liu W, Ma J, Ganz T, Zhang J, Liu S. New Deferric Amine Compounds Efficiently Chelate Excess Iron to Treat Iron Overload Disorders and to Prevent Ferroptosis. Adv Sci (Weinh) 2022; 9:e2202679. [PMID: 36031399 PMCID: PMC9561787 DOI: 10.1002/advs.202202679] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 08/04/2022] [Indexed: 05/09/2023]
Abstract
Excess iron accumulation occurs in organs of patients with certain genetic disorders or after repeated transfusions. No physiological mechanism is available to excrete excess iron and iron overload to promote lipid peroxidation to induce ferroptosis, thus iron chelation becomes critical for preventing ion toxicity in these patients. To date, several iron chelators have been approved for iron chelation therapy, such as deferiprone and deferoxamine, but the current iron chelators suffer from significant limitations. In this context, new agents are continuously sought. Here, a library of new deferric amine compounds (DFAs) with adjustable skeleton and flexibility is synthesized by adopting the beneficial properties of conventional chelators. After careful evaluations, compound DFA1 is found to have greater efficacy in binding iron through two molecular oxygens in the phenolic hydroxyl group and the nitrogen atom in the amine with a 2:1 stoichiometry. This compound remarkably ameliorates iron overload in diverse murine models through both oral and intravenous administration, including hemochromatosis, high iron diet-induced, and iron dextran-stimulated iron accumulation. Strikingly, this compound is found to suppress iron-induced ferroptosis by modulating the intracellular signaling that drives lipid peroxidation. This study opens a new approach for the development of iron chelators to treat iron overload.
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Affiliation(s)
- Wenya Feng
- State Key Laboratory of Environmental Chemistry and EcotoxicologyResearch Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijing100085P. R. China
- University of Chinese Academy of SciencesBeijing100049P. R. China
| | - Yuanjing Xiao
- School of Chemistry and Molecular EngineeringEast China Normal University500 Dongchuan RoadShanghai200241P. R. China
| | - Chuanfang Zhao
- State Key Laboratory of Environmental Chemistry and EcotoxicologyResearch Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijing100085P. R. China
- University of Chinese Academy of SciencesBeijing100049P. R. China
| | - Zhanming Zhang
- Department of ChemistryFudan University2005 Songhu RoadShanghai200438P. R. China
| | - Wei Liu
- State Key Laboratory of Environmental Chemistry and EcotoxicologyResearch Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijing100085P. R. China
- University of Chinese Academy of SciencesBeijing100049P. R. China
| | - Juan Ma
- State Key Laboratory of Environmental Chemistry and EcotoxicologyResearch Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijing100085P. R. China
- University of Chinese Academy of SciencesBeijing100049P. R. China
| | - Tomas Ganz
- Department of MedicineDavid Geffen School of MedicineUniversity of CaliforniaLos AngelesCA90095USA
| | - Junliang Zhang
- Department of ChemistryFudan University2005 Songhu RoadShanghai200438P. R. China
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and EcotoxicologyResearch Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijing100085P. R. China
- University of Chinese Academy of SciencesBeijing100049P. R. China
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Ma J, Nandalike K, Jhawar S, Kamerman-Kretzmer R, Shi Y. 38 Cutaneous rash with elexacaftor/tezacaftor/ivacaftor in children with cystic fibrosis. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)00729-9] [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: 11/07/2022]
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164
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Wang Y, Zhao Y, Zhang X, Zhang A, Ma J. Retraction notice to "Long noncoding RNA LBX2-AS1 drives the progression of hepatocellular carcinoma by sponging microRNA-384 and thereby positively regulating IRS1 expression" [Pathol. - Res. Pract. 216(4) (2020) 152903]. Pathol Res Pract 2022; 238:154034. [PMID: 36152567 DOI: 10.1016/j.prp.2022.154034] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Yu Wang
- Department of Infectious Diseases, General Hospital of Ningxia Medical University, Ningxia 750004, China; Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Shanxi 710061, China
| | - Yingren Zhao
- Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Shanxi 710061, China.
| | - Xu Zhang
- Department of Infectious Diseases, General Hospital of Ningxia Medical University, Ningxia 750004, China
| | - Aiyun Zhang
- Department of Infectious Diseases, General Hospital of Ningxia Medical University, Ningxia 750004, China
| | - Juan Ma
- Department of Infectious Diseases, General Hospital of Ningxia Medical University, Ningxia 750004, China
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165
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Li Y, Jiang W, Lin J, Ma J, Xu BH, Zhou YG, Yu Z. Rhodium(III)-Catalyzed Triple Aryl/Alkenyl C-H Bond Activation of Aryl Enaminones to Access Naphtho[1,8- bc]pyrans. Org Lett 2022; 24:7123-7127. [PMID: 36137187 DOI: 10.1021/acs.orglett.2c02758] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Rhodium(III)-catalyzed triple C-H bond activation of aryl enaminones was achieved to access naphtho[1,8-bc]pyrans by oxidative annulation to internal alkynes. 1-Naphthols might be formed as the only products, depending on the steric and/or electronic environment around the aroyl moiety of the aryl enaminones or the electronic impact from the alkynes. With propargyl alcohols as the masked terminal alkynes, aryl enaminones underwent rhodium(III)- or rhodium(I)-catalyzed internal alkenyl C-H bond activation to afford functionalized but-2-ene-1,4-diones. The resultant naphtho[1,8-bc]pyrans are highly fluorescent and can be further transformed by chlorination, bromination, and difluoromethylation, demonstrating potential practicability of the synthetic protocol.
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Affiliation(s)
- Yunlong Li
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Wenchao Jiang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jie Lin
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Juan Ma
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Bao-Hua Xu
- Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yong-Gui Zhou
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China.,Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, P. R. China
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Zheng SM, Chen H, Sha WH, Chen XF, Yin JB, Zhu XB, Zheng ZW, Ma J. Oxidized low-density lipoprotein stimulates CD206 positive macrophages upregulating CD44 and CD133 expression in colorectal cancer with high-fat diet. World J Gastroenterol 2022; 28:4993-5006. [PMID: 36160648 PMCID: PMC9494932 DOI: 10.3748/wjg.v28.i34.4993] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/15/2022] [Accepted: 08/22/2022] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND Oxidized low-density lipoprotein (ox-LDL), which is abnormally increased in the serum of colorectal cancer (CRC) patients consuming a high-fat diet (HFD), may be one of the risk factors for the development of CRC. Ox-LDL exerts a regulatory effect on macrophages and may influence CRC through the tumor microenvironment. The role of ox-LDL in CRC remains unclear.
AIM To investigate the role of ox-LDL through macrophages in HFD associated CRC.
METHODS The expression of ox-LDL and CD206 was detected in colorectal tissues of CRC patients with hyperlipidemia and HFD-fed mice by immunofluorescence. We stimulated the macrophages with 20 μg/mL ox-LDL and assessed the expression levels of CD206 and the cytokines by cell fluorescence and quantitative polymerase chain reaction. We further knocked down LOX-1, the surface receptor of ox-LDL, to confirm the function of ox-LDL in macrophages. Then, LoVo cells were co-cultured with the stimulated macrophages to analyze the CD44 and CD133 expression by western blot.
RESULTS The expression of ox-LDL and the CD206 was significantly increased in the stroma of colorectal tissues of CRC patients with hyperlipidemia, and also upregulated in the HFD-fed mice. Moreover, an increased level of CD206 and decreased level of inducible nitric oxide synthase were observed in macrophages after ox-LDL continuous stimulation. Such effects were inhibited when the surface receptor LOX-1 was knocked down in macrophages. Ox-LDL could induce CD206+ macrophages, which resulted in high expression of CD44 and CD133 in co-cultured LoVo cells.
CONCLUSION Ox-LDL stimulates CD206+ macrophages to upregulate CD44 and CD133 expression in HFD related CRC.
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Affiliation(s)
- Shi-Min Zheng
- Department of Gastroenterology and Hepatology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong Province, China
- Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - Hao Chen
- Department of Gastroenterology and Hepatology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong Province, China
| | - Wei-Hong Sha
- Department of Gastroenterology and Hepatology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong Province, China
- Medical College, Shantou University, Shantou 515041, Guangdong Province, China
- Medical College, Southern Medical University, Guangzhou 510515, Guangdong Province, China
| | - Xiao-Fen Chen
- Department of Gastroenterology and Hepatology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong Province, China
- Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - Jian-Bin Yin
- Medical College, Southern Medical University, Guangzhou 510515, Guangdong Province, China
- Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, Guangdong Province, China
| | - Xiao-Bo Zhu
- Department of Gastroenterology and Hepatology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong Province, China
| | - Zhong-Wen Zheng
- Department of Gastroenterology and Hepatology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong Province, China
| | - Juan Ma
- Department of Gastroenterology and Hepatology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong Province, China
- Medical College, Shantou University, Shantou 515041, Guangdong Province, China
- Medical College, Southern Medical University, Guangzhou 510515, Guangdong Province, China
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167
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Ai D, Chen ZP, Li G, Yao JF, Ma JY, Ma J, Zhang LQ, Jiang J, Wu RH. [Three cases of von Willebrand type 2B in children]. Zhonghua Er Ke Za Zhi 2022; 60:943-945. [PMID: 36038307 DOI: 10.3760/cma.j.cn112140-20220220-00133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Affiliation(s)
- D Ai
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - Z P Chen
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - G Li
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - J F Yao
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - J Y Ma
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - J Ma
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - L Q Zhang
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - J Jiang
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - R H Wu
- Hematology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
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168
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Lin J, Huang Z, Ma J, Xu BH, Zhou YG, Yu Z. Tunable Construction of Multisubstituted 1,3-Dienes and Allenes via a 1,4-Palladium Migration/Carbene Insertion Cascade. J Org Chem 2022; 87:12019-12035. [PMID: 36053185 DOI: 10.1021/acs.joc.2c01019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Efficient palladium-catalyzed vinylic C-H alkenylation and allenylation of gem-disubstituted ethylenes with N-tosylhydrazones of aryl alkyl and diaryl ketones were achieved to access trisubstituted 1,3-dienes and tetrasubstituted allenes, respectively. An aryl to vinyl 1,4-palladium migration/carbene insertion/β-hydride elimination sequence proceeded to switch the chemo- and regioselectivities to give structurally diverse products. Use of 2-FC6H4OH additive enables enhancement of the reaction efficiency through accelerating the key 1,4-palladium migration process.
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Affiliation(s)
- Jie Lin
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zilong Huang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Juan Ma
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Bao-Hua Xu
- Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yong-Gui Zhou
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, P. R. China.,Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, P. R. China
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169
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Xu J, Wang Y, Gao M, Cui C, Liu C, Ma J, Mi JQ. 643P Efficacy of CAR-T therapy for relapse or refractory multiple myeloma in the Chinese population: A systematic literature review and meta-analysis. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.769] [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: 11/17/2022] Open
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170
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Petrylak D, Azad A, Szmulewitz R, Iguchi T, Shore N, Holzbeierlein J, Alekseev B, El-Chaar N, Rosbrook B, Ma J, Zohren F, Haas G, Stenzl A, Armstrong A. 1398P Overall survival (OS) in patients (pts) with metastatic hormone-sensitive prostate cancer (mHSPC) who received prior androgen deprivation therapy (ADT) and reached low prostate-specific antigen (PSA) levels treated further with enzalutamide (ENZA): Post hoc analyses of ARCHES. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1884] [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: 11/01/2022] Open
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171
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Gao Y, Guo D, Chen S, Han T, Zhao Y, Ma J, Lu G, Deng W, Ding R, Bu F. 295P PIK3CA in Asia: A landscape analysis of 1974 Chinese glioma samples. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.429] [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] Open
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172
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Nazaretski E, Coburn DS, Xu W, Ma J, Xu H, Smith R, Huang X, Yang Y, Huang L, Idir M, Kiss A, Chu YS. A new Kirkpatrick-Baez-based scanning microscope for the Submicron Resolution X-ray Spectroscopy (SRX) beamline at NSLS-II. J Synchrotron Radiat 2022; 29:1284-1291. [PMID: 36073888 PMCID: PMC9455213 DOI: 10.1107/s1600577522007056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
The development, construction, and first commissioning results of a new scanning microscope installed at the 5-ID Submicron Resolution X-ray Spectroscopy (SRX) beamline at NSLS-II are reported. The developed system utilizes Kirkpatrick-Baez mirrors for X-ray focusing. The instrument is designed to enable spectromicroscopy measurements in 2D and 3D with sub-200 nm spatial resolution. The present paper focuses on the design aspects, optical considerations, and specifics of the sample scanning stage, summarizing some of the initial commissioning results.
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Affiliation(s)
- E. Nazaretski
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - D. S. Coburn
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - W. Xu
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - J. Ma
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - H. Xu
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - R. Smith
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - X. Huang
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - Y. Yang
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - L. Huang
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - M. Idir
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - A. Kiss
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - Y. S. Chu
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973, USA
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173
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Dai L, Chen KN, Y. Wu, Ma J, Guo S, Tian H, Xiao G, Liu W, He M, Chen C, Shi X, Wang Z, Liu J, Guo W, Cui Y, Dai T, Fu X, Jiao W. 1243P Influence of home nutritional therapy on body weight in patients with esophageal cancer after surgery: A prospective observational study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1361] [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: 11/24/2022] Open
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174
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Salvagiotto G, Fiene R, Ma J, Majewski D, Tomotoshi K, Livingston M, Hilcove S, Carlson C. P12-33 Development of a neural MEA co-culture assay for seizurogenic risk assessment featuring human iPSC-derived cell types. Toxicol Lett 2022. [DOI: 10.1016/j.toxlet.2022.07.512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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175
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Meng DF, Ma J, Fu L. 1328P Association of socioeconomic disparities with nasopharyngeal carcinoma survival in an endemic area, China. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1461] [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: 11/29/2022] Open
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176
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Jinhai Y, Hu H, Bian Z, Ma J, Chen S, Lu G, Deng W, Ding R, Bu F. 123P Correlation between MSI, TMB and BLM gene mutation in solid tumors. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.155] [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: 11/01/2022] Open
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177
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Cui H, Su Z, Ji Y, Lan T, Zhang JB, Ma J, Yang L, Chen YH, Shen HR, Wang J, Liu L, Cao K, Shen W, Chen S. Healthy and stable lighting via single-component white perovskite nanoplates. Nanoscale 2022; 14:11731-11737. [PMID: 35916203 DOI: 10.1039/d2nr02702j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Single-component healthy white light was achieved via Mn2+ post-doping into blue perovskite nanoplates (NPLs). The white light consists of two complementary colors, sky-blue (482 nm) and orange-red (610 nm), without harmful deep blue light (400-450 nm), which realizes the Commission Internationale de I'Eclairage (CIE) coordinates of (0.33, 0.33) (standard pure white light) and a color temperature of 6000 K. Benefitting from the lattice shrinking via Mn2+ doping, the stability of white NPLs toward long-term storage, UV light, heat, and polar solvents was greatly improved. Finally, a healthy and stable white light-emitting diode (WLED) was fabricated via down-conversion of a UV light LED with our white perovskite NPLs, and the WLED worked continuously for 240 minutes with a color drift of only (±0.006, ±0.004) and with a half lifetime (T50) of 212 minutes.
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Affiliation(s)
- Hao Cui
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Zhan Su
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Yu Ji
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Tao Lan
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Jian-Bin Zhang
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Juan Ma
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Liu Yang
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Yu-Hui Chen
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Hao-Ran Shen
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Jiaqian Wang
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Lihui Liu
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Kun Cao
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Wei Shen
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
| | - Shufen Chen
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan Road, Nanjing 210023, P. R. China.
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178
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Ma J, Liu MR, Cui SY, Dai Z, Luo HM. [Progress and policy considerations on the pilot program of standardized training for public health physicians in China]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:1069-1073. [PMID: 35922233 DOI: 10.3760/cma.j.cn112150-20220616-00615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The standardized training for public health physicians plays an important role in exploring the cultivation public health professionals and strengthening the construction of public health service providers. In 2018, the National Health Commission of China launched a pilot program of standardized training for public health physicians in 10 provinces. This paper clarifies the definition of the standardized training for public health physicians, systematically analyzes the status quo of the training in China and other countries, articulates the design and progress of the training in the perspective of Centers for Disease Control and Prevention, and makes some suggestions for the priorities of the pilot training program, so as to provide reference and basis for the better development of the standardized training for public health physicians in China in the future.
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Affiliation(s)
- J Ma
- Department of Education and Training, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - M R Liu
- Department of Education and Training, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - S Y Cui
- Department of Education and Training, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Z Dai
- Department of Education and Training, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - H M Luo
- Department of Education and Training, Chinese Center for Disease Control and Prevention, Beijing 102206, China
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179
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Zhong SG, Mao Y, Shen JY, Ma J. [Research progress in magnetic resonance imaging of primary nocturnal enuresis]. Zhonghua Er Ke Za Zhi 2022; 60:840-843. [PMID: 35922202 DOI: 10.3760/cma.j.cn112140-20220221-00134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Affiliation(s)
- S G Zhong
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Y Mao
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - J Y Shen
- Department of Nephrology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - J Ma
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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180
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Zhu J, Liu L, Ma J, Fu Q, Zheng Z, Du E, Xu Y, Zhang Z. Biotransformation of graphene oxide within lung fluids could intensify its synergistic biotoxicity effect with cadmium by inhibiting cellular efflux of cadmium. Environ Pollut 2022; 306:119421. [PMID: 35533959 DOI: 10.1016/j.envpol.2022.119421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/23/2022] [Accepted: 05/03/2022] [Indexed: 06/14/2023]
Abstract
Graphene oxide (GO) has been widely studied and applied in numerous industrial fields and biomedical fields for its excellent physical and chemical properties. Along with the production and applications of GO persist increasing, the environmental health and safety risk (EHS) of GO has been widely studied. However, previous studies almost focused on the biotoxicity of pristine GO under a relatively high exposure dose, without considering its transformation process within environmental and biological mediums. Meanwhile, its secondary toxicity or synergistic effects have not been taken seriously. Here, two different kinds of artificial lung fluids were adopted to incubate pristine GO to mimic the biotransformation process of GO in the lung fluids. And, we explored that biotransformation within the artificial lung fluids could significantly change the physicochemical properties of GO and could enhance its biotoxicity. To reveal the synergistic effects of GO and toxic metal ions, we uncovered that GO could enhance the intracellular content of metal ions by inhibiting the efflux function of ATP binding cassette (ABC) transporters which are distributed on the cellular membrane, and artificial lung fluids incubation of GO could enhance this synergistic effect. Finally, toxic metal ions induced a series of toxic reactions through oxidative stress response and promoted cell death. Moreover, consistent with the results of in vitro experiments, the lungs of mice exposed to GOs combined with Cd exhibited significant inflammation and oxidative stress compared with Cd treatment alone, and it was more remarkable within the mice which were treated with bio-transformed GOs. In summary, this study explored the impact and mechanism of biotransformation of GO in the lung fluids on the synergistic and secondary effects between GO and metal ions.
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Affiliation(s)
- Jianqiang Zhu
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Leyi Liu
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Juan Ma
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Qingfeng Fu
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Zhiwen Zheng
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - E Du
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Yong Xu
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Zhihong Zhang
- Department of Urology, Tianjin Institute of Urology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China.
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181
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Ma J, Wei Z, Wang Q, Lu X, Zhou Z, Li R, Shu Q, Liu Y, Wang J, Liu N, Shi H. Association of serum creatinine with hepatic steatosis and fibrosis: a cross-sectional study. BMC Gastroenterol 2022; 22:358. [PMID: 35896972 PMCID: PMC9327226 DOI: 10.1186/s12876-022-02437-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 07/20/2022] [Indexed: 12/02/2022] Open
Abstract
Background Recent studies have shown that chronic kidney disease (CKD) prevalence is significantly higher in patients with hepatic steatosis (HS); however, it remains unclear whether HS is associated with serum creatinine (SCr). We aimed to explore the association between SCr levels and HS in a Chinese population. Methods We performed a cross-sectional study among 56,569 Chinese individuals. SCr level, other clinical and laboratory parameters, abdominal ultrasound and noninvasive fibrosis scores were extracted, and the fibrosis 4 score (FIB-4) was calculated. Results A total of 27.1% of the subjects had HS. After 1:1 propensity score matching (PSM) according to sex and age, we included 13,301 subjects with HS and 13,301 subjects without HS. SCr levels were significantly higher in the HS group than in the non-HS group [73.19 ± 15.14(μmoI/L) vs. 71.75 ± 17.49(μmoI/L), p < 0.001]. Univariate and multivariate regression analyses showed a positive association between SCr and the prevalence of HS. Stepwise regression analysis showed that the association between SCr and HS was independent of other metabolic syndrome components. The prevalence of HS increased significantly with increasing SCr levels. Metabolism-related indicators and liver enzymes were significantly higher in the HS group than in the non-HS group; furthermore, these parameters increased with increasing SCr levels. FIB-4 was significantly higher in the HS group than in the non-HS group but did not show an increasing trend with increasing SCr levels. Conclusions Our results showed an independent association between SCr level and HS risk in a Chinese population.
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Affiliation(s)
- Juan Ma
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Zhongcao Wei
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Qian Wang
- Health Management Department, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Xiaolan Lu
- Department of Gastroenterology, Shanghai Pudong Hospital, Fudan University, 2800 Gongwei Road, Huinan Town, Pudong, Shanghai, 201399, China
| | - Zhihua Zhou
- Health Management Department, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Ruohan Li
- Department of Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Qiuai Shu
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Yixin Liu
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Jinhai Wang
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China.
| | - Na Liu
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China.
| | - Haitao Shi
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, NO.157 Xiwu Road, Xi'an, 710004, Shaanxi, China.
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He Y, Huang Z, Ma J, Lin J, Zhou YG, Yu Z. Transition‐Metal‐Free Olefinic C−H Azidoalkylthiolation via C(sp<sup>3</sup>)−S Bond Cleavage of Vinylsulfonium Salts. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200529] [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: 11/10/2022]
Affiliation(s)
- Yuan He
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences CHINA
| | | | - Juan Ma
- Dalian Institute of Chemical Physics CHINA
| | - Jie Lin
- Dalian Institute of Chemical Physics CHINA
| | | | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences CHINA
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Zhang YQ, Sun KG, Lu JY, Ma J, Yao N, Qin ZH, Yao YH. [Efficacy and safety of total neoadjuvant therapy versus neoadjuvant chemoradiotherapy in the treatment of locally advanced rectal cancer: a meta-analysis]. Zhonghua Wei Chang Wai Ke Za Zhi 2022; 25:531-538. [PMID: 35754218 DOI: 10.3760/cma.j.cn441530-20210806-00311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To systematically evaluate the efficacy and safety of total neoadjuvant therapy (TNT) in the comprehensive treatment of locally advanced rectal cancer. Methods: Literatures were screened from PubMed, Embase, Web of Science, Cochrane Library, CBM, Wanfang Data, VIP and CNKI from the inception date to May 2021 to collect the randomized controlled clinical trials (RCTs) of TNT followed by total mesorectal excision (TME) versus neoadjuvant chemotherapy (nCRT) followed by TME in the treatment of locally advanced rectal cancer. The data of overall survival, disease-free survival, R0 radical resection rate, pathological complete response (pCR) rate, T downstaging rate, the incidence of adverse events ≥ grade III, including neutropenia, nausea and vomiting, diarrhea, radiation dermatitis and nervous system toxicity, and the morbidity of complications within postoperative 30 days of the two groups were extracted from the included literatures. Review Manager 5.3 software was utilized for statistical meta-analysis. Results: Nine RCTs were finally enrolled including 2430 patients. Meta-analysis results showed that compared with nCRT group, patients in TNT group had longer overall survival (HR=0.80, 95%CI: 0.65-0.97, P=0.03) and higher pCR rate (RR=1.73, 95%CI: 1.44-2.08, P<0.01) with significant differences. Besides, there were no significant differences between two groups in disease-free survival (HR=0.86, 95%CI:0.71-1.05, P=0.14), R0 radical resection rate (RR=1.02, 95%CI: 0.99-1.06, P=0.17) and T downstaging rate (RR=1.04, 95%CI: 0.89-1.22, P=0.58) between two groups. In terms of treatment safety, the incidence of adverse events ≥ grade III (RR=1.09, 95%CI: 0.70-1.70, P=0.70) and morbidity of complications within postoperative 30 days (RR=1.07, 95%CI: 0.97-1.18, P=0.19) did not significantly differ between two groups. Conclusions: In the treatment of locally advanced rectal cancer, TNT may bring more survival benefits than nCRT and does not increase the incidence of adverse events and postoperative complications. Therefore, TNT could be used as a recommended treatment for patients with locally advanced rectal cancer.
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Affiliation(s)
- Y Q Zhang
- Department of Radiation Oncology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - K G Sun
- Department of Radiation Oncology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - J Y Lu
- Department of Radiation Oncology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - J Ma
- Department of Radiation Oncology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - N Yao
- Department of Radiation Oncology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Z H Qin
- School of Public Health, Xuzhou Medical University, Xuzhou 221004, China
| | - Y H Yao
- Department of Radiation Oncology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China School of Medical Imaging, Xuzhou Medical University, Xuzhou 221004, China
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185
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Abstract
Medical and dental artificial intelligence (AI) require the trust of both users and
recipients of the AI to enhance implementation, acceptability, reach, and maintenance.
Standardization is one strategy to generate such trust, with quality standards pushing for
improvements in AI and reliable quality in a number of attributes. In the present brief
review, we summarize ongoing activities from research and standardization that contribute
to the trustworthiness of medical and, specifically, dental AI and discuss the role of
standardization and some of its key elements. Furthermore, we discuss how explainable AI
methods can support the development of trustworthy AI models in dentistry. In particular,
we demonstrate the practical benefits of using explainable AI on the use case of caries
prediction on near-infrared light transillumination images.
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Affiliation(s)
- J Ma
- Department of Artificial Intelligence, Fraunhofer Heinrich Hertz Institute, Berlin, Germany
| | - L Schneider
- Department of Oral Diagnostics, Digital Health and Health Services Research, Charité-Universitätsmedizin, Berlin, Germany.,ITU/WHO Focus Group on AI for Health, Topic Group Dental Diagnostics and Digital Dentistry, Geneva, Switzerland
| | - S Lapuschkin
- Department of Artificial Intelligence, Fraunhofer Heinrich Hertz Institute, Berlin, Germany
| | - R Achtibat
- Department of Artificial Intelligence, Fraunhofer Heinrich Hertz Institute, Berlin, Germany
| | - M Duchrau
- Department of Oral Diagnostics, Digital Health and Health Services Research, Charité-Universitätsmedizin, Berlin, Germany
| | - J Krois
- Department of Oral Diagnostics, Digital Health and Health Services Research, Charité-Universitätsmedizin, Berlin, Germany.,ITU/WHO Focus Group on AI for Health, Topic Group Dental Diagnostics and Digital Dentistry, Geneva, Switzerland
| | - F Schwendicke
- Department of Oral Diagnostics, Digital Health and Health Services Research, Charité-Universitätsmedizin, Berlin, Germany.,ITU/WHO Focus Group on AI for Health, Topic Group Dental Diagnostics and Digital Dentistry, Geneva, Switzerland
| | - W Samek
- Department of Artificial Intelligence, Fraunhofer Heinrich Hertz Institute, Berlin, Germany.,BIFOLD-Berlin Institute for the Foundations of Learning and Data, Berlin, Germany
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186
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Zhang W, Liu FQ, Zhang LP, Ding HG, Zhuge YZ, Wang JT, Li L, Wang GC, Wu H, Li H, Cao GH, Lu XF, Kong DR, Sun L, Wu W, Sun JH, Liu JT, Zhu H, Li DL, Guo WH, Xue H, Wang Y, Gengzang CJC, Zhao T, Yuan M, Liu SR, Huan H, Niu M, Li X, Ma J, Zhu QL, Guo WW, Zhang KP, Zhu XL, Huang BR, Li JN, Wang WD, Yi HF, Zhang Q, Gao L, Zhang G, Zhao ZW, Xiong K, Wang ZX, Shan H, Li MS, Zhang XQ, Shi HB, Hu XG, Zhu KS, Zhang ZG, Jiang H, Zhao JB, Huang MS, Shen WY, Zhang L, Xie F, Li ZW, Hou CL, Hu SJ, Lu JW, Cui XD, Lu T, Yang SS, Liu W, Shi JP, Lei YM, Bao JL, Wang T, Ren WX, Zhu XL, Wang Y, Yu L, Yu Q, Xiang HL, Luo WW, Qi XL. [Status of HVPG clinical application in China in 2021]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:637-643. [PMID: 36038326 DOI: 10.3760/cma.j.cn501113-20220302-00093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: The investigation and research on the application status of Hepatic Venous Pressure Gradient (HVPG) is very important to understand the real situation and future development of this technology in China. Methods: This study comprehensively investigated the basic situation of HVPG technology in China, including hospital distribution, hospital level, annual number of cases, catheters used, average cost, indications and existing problems. Results: According to the survey, there were 70 hospitals in China carrying out HVPG technology in 2021, distributed in 28 provinces (autonomous regions and municipalities directly under the central Government). A total of 4 398 cases of HVPG were performed in all the surveyed hospitals in 2021, of which 2 291 cases (52.1%) were tested by HVPG alone. The average cost of HVPG detection was (5 617.2±2 079.4) yuan. 96.3% of the teams completed HVPG detection with balloon method, and most of the teams used thrombectomy balloon catheter (80.3%). Conclusion: Through this investigation, the status of domestic clinical application of HVPG has been clarified, and it has been confirmed that many domestic medical institutions have mastered this technology, but it still needs to continue to promote and popularize HVPG technology in the future.
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Affiliation(s)
- W Zhang
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - F Q Liu
- Department of Interventional Radiology, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - L P Zhang
- Department of Radiology,Third Hospital of Taiyuan, Taiyuan 030012, China
| | - H G Ding
- Liver Disease Digestive Center,Beijing Youan Hospital, Capital Medical University, Beijing 100069, China
| | - Y Z Zhuge
- Digestive Department,Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210008, China
| | - J T Wang
- Department of Hepatobiliary Surgery, Xingtai People's Hospital, Xingtai 054001, China
| | - L Li
- Department of Interventional Radiology, the First Hospital of Lanzhou University, Lanzhou 730013, China
| | - G C Wang
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - H Wu
- Digestive Department, West China Hospital, Sichuan University, Chengdu 610044, China
| | - H Li
- Institute of Hepatology and Department of Infectious Disease, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - G H Cao
- Department of Radiology, Shulan Hospital, Hangzhou 310022, China
| | - X F Lu
- Digestive Department, West China Hospital, Sichuan University, Chengdu 610044, China
| | - D R Kong
- Digestive Department, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - L Sun
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325001, China
| | - W Wu
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325001, China
| | - J H Sun
- Hepatobiliary and Pancreatic Intervention Center , the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - J T Liu
- Digestive Department,Hainan Hospital of Chinese PLA General Hospital, Sanya 572013, China
| | - H Zhu
- The 1 st Department of Interventional Radiology, the Sixth People's Hospital of Shenyang, Shenyang 110006, China
| | - D L Li
- No. 900 Hospital of the Joint Logistic Support Force, Fuzhou 350025, China
| | - W H Guo
- Department of Interventional Radiology, Meng Chao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China
| | - H Xue
- Digestive Department, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Y Wang
- Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - C J C Gengzang
- Department of Interventional Radiology, the Fourth People's Hospital of Qinghai Province, Xining 810007, China
| | - T Zhao
- Department of Radiology,Sir Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China
| | - M Yuan
- Department of Interventional Radiology Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - S R Liu
- Department of Infectious Disease,Qufu People's Hospital, Qufu 273199, China
| | - H Huan
- Digestive Department, Chengdu Office Hospital of Tibet Autonomous Region People's Government, Chengdu 610041, China
| | - M Niu
- Department of Interventional Radiology, the First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - X Li
- Department of Radiology,Tianjin Second People's Hospital, Tianjin 300192, China
| | - J Ma
- Department of Interventional Vascular Surgerg, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750002, China
| | - Q L Zhu
- Digestive Department,the Affiliated Hospital of Southwest Medical University, Luzhou 646099, China
| | - W W Guo
- Department of Interventional Radiology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - K P Zhang
- Department of Hepatobiliary Surgery, Xingtai People's Hospital, Xingtai 054001, China
| | - X L Zhu
- Department of Surgery, the First Hospital of Lanzhou University, Lanzhou 730013, China
| | - B R Huang
- Department of Interventional Vascular Surgery,Jingzhou First People's Hospital, Jingzhou, China
| | - J N Li
- Liver Diseases Department,Jiamusi Infectious Disease Hospital, Jiamusi 154015, China
| | - W D Wang
- Hepatobiliary, Pancreatic and Spleen Surgery Department,Shunde Hospital, Southern Medical University, Foshan 528427, China
| | - H F Yi
- Digestive Department,Wuhan First Hospital, Wuhan 430030, China
| | - Q Zhang
- Interventional Vascular Surgery Department, Affiliated Zhongda Hospital of Southeast University, Nanjing 210009, China
| | - L Gao
- Oncology and Vascular Interventional Department, First Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - G Zhang
- Digestive Department, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530016, China
| | - Z W Zhao
- Department of Interventional Radiology, Lishui Municipal Central Hospital, Zhejiang University School of Medicine, Lishui 323030, China
| | - K Xiong
- Digestive Department, the Second Affiliated Hospital of Nanchang University, Nanchang 330008, China
| | - Z X Wang
- Inner Mongolia Medical University Affiliated Hospital, Hohhot 010050, China
| | - H Shan
- Interventional Medicine Center, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - M S Li
- Department of Endovascular Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - X Q Zhang
- Digestive Department, the Second Hospital of Hebei Medical University, Shijiazhuang 050004, China
| | - H B Shi
- Department of Interventional Radiology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - X G Hu
- Interventional Radiology Department,Jinhua Municipal Central Hospital, Jinhua 321099, China
| | - K S Zhu
- Interventional Radiology Department, the Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510260, China
| | - Z G Zhang
- Department of Liver Surgery,Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
| | - H Jiang
- Infectious Disease Department,Second Affiliated Hospital, Military Medical University of the Air Force, Xi'an 710038, China
| | - J B Zhao
- Department of Vascular and Interventional Radiology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - M S Huang
- Interventional Radiology Department, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | - W Y Shen
- Digestive Department,Fuling Hospital Affiliated to Chongqing University, Chongqing 400030, China
| | - L Zhang
- Hepatobiliary Pancreatic Center,Tsinghua Changgung Hospital, Beijing 102200, China
| | - F Xie
- Function Department,Lanzhou Second People's Hospital, Lanzhou 730030, China
| | - Z W Li
- Hepatobiliary Surgery Department,Shenzhen Third People's Hospital, Shenzhen518112, China
| | - C L Hou
- Department of Interventional Radiology, the First Affiliated Hospital of USTC, Hefei 230001, China
| | - S J Hu
- Digestive Department,People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750002, China
| | - J W Lu
- Department of Interventional Radiology, Qufu People's Hospital, Qufu 273199, China
| | - X D Cui
- Department of Interventional Radiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530016, China
| | - T Lu
- Department of Gastroenterology, Yangquan Third People's Hospital, Yangquan 045099,China
| | - S S Yang
- Department of Gastroenterology, General Hospital of Ningxia Medical University , Yinchuan 750003, China
| | - W Liu
- Department of Interventional Radiology, Lishui People's Hospital, Zhejiang Province, Lishui 323050, China
| | - J P Shi
- Department of Liver Diseases, Affiliated Hospital of Hangzhou Normal University, Hangzhou 310015, China
| | - Y M Lei
- Interventional Radiology Department, People's Hospital of Tibet Autonomous Region, Lhasa 850001, China
| | - J L Bao
- Department of Gastroenterology, Shannan people's Hospital,Shannan 856004, China
| | - T Wang
- Department of Interventional Radiology, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai 264099,China
| | - W X Ren
- Interventional Treatment Center, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011,China
| | - X L Zhu
- Interventional Radiology Department, the First Affiliated Hospital of Suzhou University, Suzhou 215006, China
| | - Y Wang
- Department of Interventional Vascular Surgery, the Second Affiliated Hospital of Hainan Medical College, Haikou 570216, China
| | - L Yu
- Department of Interventional Radiology, Sanming First Hospital Affiliated to Fujian Medical University,Sanming 365001,China
| | - Q Yu
- Interventional Radiology Department, Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - H L Xiang
- Department of Gastroenterology, Tianjin Third Central Hospital, Tianjin 300170, China
| | - W W Luo
- Deparment of Infectious Diseases, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - X L Qi
- Center of Portal Hypertension Department of Radiology, Zhongda Hospital of Southeast University, Nanjing 210009, China
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He F, Wang Y, Tao X, Zhu M, Hong Z, Bian Z, Ma J. [Low-dose helical CT projection data restoration using noise estimation]. Nan Fang Yi Ke Da Xue Xue Bao 2022; 42:849-859. [PMID: 35790435 DOI: 10.12122/j.issn.1673-4254.2022.06.08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To build a helical CT projection data restoration model at random low-dose levels. METHODS We used a noise estimation module to achieve noise estimation and obtained a low-dose projection noise variance map, which was used to guide projection data recovery by the projection data restoration module. A filtering back-projection algorithm (FBP) was finally used to reconstruct the images. The 3D wavelet group residual dense network (3DWGRDN) was adopted to build the network architecture of the noise estimation and projection data restoration module using asymmetric loss and total variational regularization. For validation of the model, 1/10 and 1/15 of normal dose helical CT images were restored using the proposed model and 3 other restoration models (IRLNet, REDCNN and MWResNet), and the results were visually and quantitatively compared. RESULTS Quantitative comparisons of the restored images showed that the proposed helical CT projection data restoration model increased the structural similarity index by 5.79% to 17.46% compared with the other restoration algorithms (P < 0.05). The image quality scores of the proposed method rated by clinical radiologists ranged from 7.19% to 17.38%, significantly higher than the other restoration algorithms (P < 0.05). CONCLUSION The proposed method can effectively suppress noises and reduce artifacts in the projection data at different low-dose levels while preserving the integrity of the edges and fine details of the reconstructed CT images.
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Affiliation(s)
- F He
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Pazhou Lab, Guangzhou, 510330, China
| | - Y Wang
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Pazhou Lab, Guangzhou, 510330, China
| | - X Tao
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
| | - M Zhu
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Pazhou Lab, Guangzhou, 510330, China
| | - Z Hong
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Pazhou Lab, Guangzhou, 510330, China
| | - Z Bian
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
| | - J Ma
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
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188
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Zhu Q, Wang Y, Zhu M, Tao X, Bian Z, Ma J. [An adaptive CT metal artifact reduction algorithm that combines projection interpolation and physical correction]. Nan Fang Yi Ke Da Xue Xue Bao 2022; 42:832-839. [PMID: 35790433 DOI: 10.12122/j.issn.1673-4254.2022.06.06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To propose an adaptive weighted CT metal artifact reduce algorithm that combines projection interpolation and physical correction. METHODS A normalized metal projection interpolation algorithm was used to obtain the initial corrected projection data. A metal physical correction model was then introduced to obtain the physically corrected projection data. To verify the effectiveness of the method, we conducted experiments using simulation data and clinical data. For the simulation data, the quantitative indicators PSNR and SSIM were used for evaluation, while for the clinical data, the resultant images were evaluated by imaging experts to compare the artifact-reducing performance of different methods. RESULTS For the simulation data, the proposed method improved the PSNR value by at least 0.2 dB and resulted in the highest SSIM value among the methods for comparison. The experiment with the clinical data showed that the imaging experts gave the highest scores of 3.616±0.338 (in a 5-point scale) to the images processed using the proposed method, which had significant better artifact-reducing performance than the other methods (P < 0.001). CONCLUSION The metal artifact reduction algorithm proposed herein can effectively reduce metal artifacts while preserving the tissue structure information and reducing the generation of new artifacts.
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Affiliation(s)
- Q Zhu
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Pazhou Lab, Guangzhou 510330, China
| | - Y Wang
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Pazhou Lab, Guangzhou 510330, China
| | - M Zhu
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Pazhou Lab, Guangzhou 510330, China
| | - X Tao
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Pazhou Lab, Guangzhou 510330, China
| | - Z Bian
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
| | - J Ma
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
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189
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Wu X, Guo D, Han T, Zhao Y, Ma J, Lu G, Bu F, Chen S, Deng W, Ding R. NGS analysis of germline mutation profile of patients with hepatocellular carcinoma in China. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.10585] [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: 11/20/2022] Open
Abstract
10585 Background: Hepatocellular carcinoma (HCC) is the fourth most common cause of cancer-related death worldwide with very poor prognosis. Many studies have focused on oncogene characteristics, however, the germline landscape of Chinese HCC patients has not been fully clarified. The purpose of this study is to assess the inherited genetic factors regarding germline mutations in Chinese HCC patients. Methods: Genetic mutations were reviewed in 1670 Chinese HCC patients who underwent hybridization capture based next-generation sequencing (NGS). The pathogenicity of germline mutations was categorized based on American College of Medical Genetics and Genomics (ACMG) guidelines. Results: Of 1670 patients with HCC, 110 (6.7%) patients were identified to carry 111 pathogenic variants(P) or likely pathogenic variants(LP) in 112-cancer predisposition gene panel, and there was no age difference between P/LP group and non-P/LP group (average age: 57 vs 56, p = 0.64). The most frequently germline mutated genes were BRCA1/2 (11.7%), followed by ATM(4.5%), BLM(4.5%), ERCC2(4.5%), ERCC3(4.5%) and BRIP1(3.6%), ERCC4(3.6%), FANCD2(3.6%), MUTYH(3.6%), RAD50(3.6%). Of all the 111 germline mutations, 47% (n = 52) lay in the Homologous Recombination Repair (HRR) pathways. Both in P/LP group and non-P/LP group, the most frequently somatic mutated genes were TP53, TERT and MUC16. 7/110(6.4%)of patients in P/LP group were high TMB(≥10 mutations/megabase) and 131/1560(8.5%) in non-P/LP group. There was no statistical difference in TMB between P/LP and non-P/LP group. Conclusions: Taken together, we have presented the spectrum of pathogenic germline mutations in Chinese HCC patients. P/LP germline variants in cancer predisposition genes were detected in 6.7% of those patients, and predisposition genes associated with HCC risk needs further investigation. Inherited genetics should not be overlooked in HCC as there are important implications for precision treatment, future risk of cancers, and familial cancer risk.
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Affiliation(s)
- Xiaobing Wu
- Eastern Hepatobiliary Surgery Hospital, Shanghai, China
| | - Didi Guo
- The Medical Department, Jiangsu Simcere Diagnostics Co., Ltd, Nanjing Simcere Medical Laboratory Science Co., Ltd, The State Key Lab of Translational Medicine and Innovative Drug Development, Jiangsu Simcere Diagnostics Co., Ltd, Nanjing, China
| | - Tiantian Han
- The Medical Department, Jiangsu Simcere Diagnostics Co., Ltd, Nanjing, China
| | - Yaping Zhao
- The Medical Department, Jiangsu Simcere Diagnostics Co., Ltd, Nanjing, China
| | - Juan Ma
- Jiangsu Simcere Diagnostics Co., Nanjing, China
| | - Guanghua Lu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Fanfeng Bu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Siqi Chen
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Wanglong Deng
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Ran Ding
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
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Li X, Ren Y, Li C, Luo C, Ma J, Bian Z, Ge M, Lu G, Ding R, Bu F. The landscape of ACVR2A mutations in Chinese solid tumor patients. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.e14523] [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: 11/20/2022] Open
Abstract
e14523 Background: ACVR2A (activin A receptor type 2A) encodes a receptor that mediates the functions of activins, and it contains two polyadenine (A8) microsatellite loci, which are located in exon 3 and exon 10. Recent studies have shown that ACVR2A mutant was associated with microsatellite instability-high (MSI-H) and high tumor mutational burden(TMB-H) in gastrointestinal cancers. However, this association remains unclear in other solid tumors. Methods: We retrospectively analyzed the ACVR2A mutations from comprehensive 539-gene profiling of 10434 Chinese patients with pan-cancer. Somatic mutations in tumor tissue were assessed. We screened out ACVR2A mutations, calculated the mutation frequency, TMB in different types of cancer. Results: ACVR2A mutants were detected in 340 (2.9%) samples. The top 5 frequently cancers were colorectal cancer (98, 28.8%), lung carcinoma (68, 20%), hepatocellular carcinoma (64, 18.8%), gastric cancer (48, 14.1%) and biliary tract cancers (19, 5.6%). And 12.7% were other cancers (e.g., pancreatic cancer, small bowel adenocarcinoma, brain cancer). ACVR2A variants included truncation (50%), splicing site variant (9.0%), and other mutant types(41.1%). Truncation was the most common type, recurring in a few hot spots (K437Rfs*5/ K437Rfs*19, D96Tfs*54/ D96Rfs*4, V433del, R438Efs*19). The TMB in ACVR2A mutation group was significantly higher than that in ACVR2A wild-type group (p < 0.001). In addition, TMB ≥10 muts/Mb was seen in 76.7% tumors with ACVR2A truncation or splicing site mutant(INACT) and 20.6% tumors with other mutant types(VUS)(p = 0.002). The median TMB of INACT group and VUS group was 35.46 muts/Mb (0.74-344.12) and 6.62 muts/Mb(0.5-598.53), respectively. Conclusions: We analyzed the distribution of ACVR2A mutants in Chinese patients with solid tumors. Our data shows that ACVR2A truncation or splice site mutant type is significantly associated with TMB-H, and this may be potential molecular marker of immunotherapy.
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Affiliation(s)
- Xin Li
- Tianjin Medical University General Hospital, Tianjin, China
| | - Yaoyao Ren
- Tianjin Medical University General Hospital, Tianjin, China
| | - Caifeng Li
- Tianjin Medical University General Hospital, Tianjin, China
| | - Cui Luo
- Jiangsu Simcere Diagnostics Co., Nanjing, China
| | - Juan Ma
- Jiangsu Simcere Diagnostics Co., Nanjing, China
| | | | - Minghui Ge
- Jiangsu Simcere Diagnostics Co., Nanjing, China
| | - Guanghua Lu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Ran Ding
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Fanfeng Bu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
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191
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Huang G, Bian Z, Ma J, Chen S, Lu G, Ding R, Bu F. Analysis of MET genetic aberrations in Chinese solid tumor patients. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.e15031] [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: 11/20/2022] Open
Abstract
e15031 Background: Mesenchymal-epithelial transition (MET) gene encodes a member of the receptor tyrosine kinase family of proteins and is a proto-oncogene. MET gene takes part in various signaling pathways such as PI3K/AKT, Ras/MAPK, and JAK/STAT which are associated with tumor development and progression. This study aimed to reveal MET aberrated characteristics in Chinese solid tumor patients and explore the occurrence of MET oncogenic variants in solid tumors. Methods: This study retrospectively analyzed MET alterations in 1856 solid tumor patients in China from laboratory of Simcere Diagnosis (Nanjing, China) during 2019-2021. Next-generation sequencing (NGS) was performed to detect gene mutations in tumor or blood samples of the patients. Results: We screened out 1856 patients with MET gene alterations from 45717 patients with solid tumor. The high frequency of MET gene alterations was lung cancer (72.8%), colorectal cancer (10.7%), gastric cancer (4.9%), and liver cancer (2.7%). MET gene variants included missense (61.7%), copy number variation (copy number≥5) (15.4%), truncation (7.9%), splicing site variant (7.2%),fusion (1.7%),and in-frame insertion/deletions (0.9%). Among them, MET amplification was detected in 285 patients, and 93 patients carried high-level MET amplification (copy number≥10). High-level MET amplification was most frequently detected in lung cancer (41, 44.1%), gastric cancer (17, 18.3%) and liver cancer (14, 15.1%). MET exon 14 skipping was detected in 287 solid tumor patients (15.5%), of which 277 patients were lung cancer, the remaining were liver cancer, colorectal cancer, gastric cancer, osteosarcoma, melanoma, bladder cancer and glioma. We analyzed MET exon 14 alterations and classified them into 4 subgroups according to the alteration types and locations. The most common alterations were at splice donor sites (215, 74.91%), followed by the splice acceptor sites (35, 12.20%), Y1003 site (5, 1.74%), and other types (32, 11.15%). Other types included insertion or deletion in MET intron 13 or 14, for example, c.3028+21_3028+65del, c.2888-20_2888-11del, c.2888-27_2888-9del, etc. 7 lung cancer patients carried MET exon 14 skipping and MET amplification simultaneously. 36 patients carried MET gene fusions, and mostly were lung cancer (22, 61.1%). The breakpoints often located in exon 2 of MET (4, 11.1%). Conclusions: We discovered MET alterations in multiple types of solid tumors in this study. We found classic MET exon 14 skipping and MET high-level amplification in solid tumors except for lung cancer. It suggested that the activation of MET-driven signaling pathway was ubiquitous in pan-cancer, which might benefit from MET inhibitors.
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Affiliation(s)
- Guanglong Huang
- Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | | | - Juan Ma
- Jiangsu Simcere Diagnostics Co., Nanjing, China
| | - Siqi Chen
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Guanghua Lu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Ran Ding
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Fanfeng Bu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
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192
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Li Q, Bian Z, Ma J, Lu G, Chen S, Ding R, Bu F. Correlation between MSI, TMB, and RAS gene mutation in solid tumors. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.2624] [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: 11/20/2022] Open
Abstract
2624 Background: RAS gene family encodes a protein that is a member of the small GTPase super family and plays an important role in the regulation of cell proliferation and promoting oncogenic events. Studies have reported that RAS gene shows a high mutation frequency in lung cancer, colorectal cancer and pancreatic cancer. However, the relation between RAS-mutant and RAS-wild type tumors in tumor mutation burden (TMB) and microsatellite instability (MSI) remain unclear in pan-cancer. Methods: We retrospectively analyzed 15188 Chinese patients with pan-cancer from laboratory of Simcere Diagnosis (Nanjing, China) during 2019-2021. Somatic mutations in tumor samples were assessed by next-generation sequencing (NGS). We evaluated RAS (KRAS, NRAS and HRAS) mutation frequency, TMB and MSI in RAS-mutant and RAS wild-type tumors. Results: RAS mutations were detected in 2663 (17.5%) samples, including 88.7% of KRAS mutations, 9.1% of NRAS mutations and 3.5% of HRAS mutations. The top 6 frequently cancers were colorectal cancer (829, 31.1%), lung cancer (747, 28.1%), pancreatic cancer (358, 13.4%), biliary tract cancer (210, 7.9%), liver cancer (78, 2.9%), and gastric cancer (73, 2.7%). We found that the incidence of MSI-H in patients with RAS-mutant solid tumors was 3.3% and the frequency of MSI-H was significantly higher in RAS-mutant gastric cancer than that in RAS wild-type (RAS-MUT vs RAS-WT, 20.5% vs 3.5%, p < 0.001). Contrary to our assumption, it was not observed in colorectal cancer (RAS-MUT vs RAS-WT, 5.8% vs 6.9%). In the analysis of TMB, RAS gene mutation was associated with higher TMB (P < 0.01). 27.4% of RAS-mutant gastric cancer and 10.8% RAS wild-type gastric cancer were classified as TMB-H (TMB ≥10 muts/Mb) (P<0.01), while 13.4% of RAS-mutant colorectal cancer was TMB-H, with no significant difference between RAS wild-type. However, we did not observe a close association between MSI, TMB and RAS gene mutations in lung cancer, pancreatic cancer, biliary tract cancer, and liver cancer. Conclusions: We analyzed RAS gene mutations in Chinese patients with solid tumor. Our data showed that RAS mutations were associated with TMB-H and MSI-H in solid tumors, especially gastric cancer. In colorectal cancer, RAS mutations were associated with higher TMB, but not TMB-H. It was showed that RAS mutations in specific cancer types, such as gastric cancer and colorectal cancer, may be related to the efficacy of immunotherapy.
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Affiliation(s)
- Qingchang Li
- The First Affiliated Hospital of China Medical University, Shengyang, China
| | | | - Juan Ma
- Jiangsu Simcere Diagnostics Co., Nanjing, China
| | - Guanghua Lu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Siqi Chen
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Ran Ding
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Fanfeng Bu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
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193
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Guo LY, Han T, Guo D, Ma J, Zhao Y, Bu F, Chen S, Deng W, Ding R. Retrospective analysis of non-BRCA gene pathogenicity variation in Chinese patients with ovarian cancer. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.10584] [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: 11/20/2022] Open
Abstract
10584 Background: Ovarian cancer (OC) is the most lethal gynecologic cancer. Pathogenic (harmful) variants(PV) in BRCA1 and BRCA2 are the strongest hereditary risk factors for the development of ovarian cancer. To date, there is little information regarding the frequency of non- BRCA gene PV in Chinese women with OC that undergo genetic cancer risk assessment. In this study we analyzed wild-type BRCA1/2 OC patients (pts) registered in our database. Methods: Peripheral blood of 766 women, diagnosed with ovarian cancer, were taken from the recruited cases with the consent of performing germline genetic testing. Germline mutations including SNV, small INDEL were analyzed by next-generation sequencing (NGS). The pathogenicity of germline mutations was categorized based on American College of Medical Genetics and Genomics (ACMG) guidelines. Results: Of 766 OC pts, 460 pts (60%) underwent BRCA1/2 testing only, while 306 pts (40%) consented in multigene panel testing (MGPT). BRCA1/2 detection rate was 16.8% (129/766), while the detection rate for non- BRCA genes was 7.5% (23/306). There was a significant statistical difference in average age that the non- BRCA gene pathogenicity variation group was higher than the BRCA gene pathogenicity variation group (62 vs. 57, p=0.018). Wild-type B RCA1/2 OC pathogenic variants (PV), were diagnosed in BLM (n=4, 17.4%), ERCC5 (n=2, 8.7%), MUTYH (n=2, 8.7%), RAD51C (n=2, 8.7%), RAD51D (n=2, 8.7%), ATM (n=1, 4.4%), BRIP1 (n=1, 4.4%), CDH1 (n=1, 4.4%), CHEK2 (n=1, 4.4%), ERCC4 (n=1, 4.4%), LZTR1 (n=1, 4.4%), MSH3 (n=1, 4.4%), PALB2 (n=1, 4.4%), PMS2 (n=1, 4.4%), RAD50 (n=1, 4.4%) and SLX4 (n=1, 4.4%) genes. Of all the 23 non- BRAC gene pathogenicity variations, 57% (13/23) lay in the Homologous Recombination Repair (HRR) pathways. Moreover, a 48-year-old woman with ovarian cancer with two pathogenic variants of the [ BRCA2- MUTYH] genes was detected in the retrospective cohort study. Conclusions: BLM, ERCC5, MUTYH, RAD51C and RAD51D genes are the main contributors to hereditary wild-type BRCA1/2 OC in our cohort. The average age of non- BRCA gene pathogenicity variation group was higher than the BRCA gene pathogenicity variation group. Therefore, multi-gene PANEL detection is recommended for ovarian cancer patients, especially for older patients.
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Affiliation(s)
- Li yuan Guo
- Harbin Medical University Cancer Hospital, Harbin, China
| | - Tiantian Han
- The Medical Department, Jiangsu Simcere Diagnostics Co., Ltd, Nanjing, China
| | - Didi Guo
- The Medical Department, Jiangsu Simcere Diagnostics Co., Ltd, Nanjing Simcere Medical Laboratory Science Co., Ltd, The State Key Lab of Translational Medicine and Innovative Drug Development, Jiangsu Simcere Diagnostics Co., Ltd, Nanjing, China
| | - Juan Ma
- Jiangsu Simcere Diagnostics Co., Nanjing, China
| | - Yaping Zhao
- The Medical Department, Jiangsu Simcere Diagnostics Co., Ltd, Nanjing, China
| | - Fanfeng Bu
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Siqi Chen
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Wanglong Deng
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
| | - Ran Ding
- Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
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194
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Ma J, Ma HM, Shen MQ, Wang YY, Bao YX, Liu Y, Ke Y, Qian ZM. The Role of Iron in Atherosclerosis in Apolipoprotein E Deficient Mice. Front Cardiovasc Med 2022; 9:857933. [PMID: 35669479 PMCID: PMC9163807 DOI: 10.3389/fcvm.2022.857933] [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: 01/19/2022] [Accepted: 04/21/2022] [Indexed: 11/13/2022] Open
Abstract
The role of iron in atherosclerosis is still a controversial and unsolved issue. Here, we investigated serum iron, expression of iron regulatory, transport and storage proteins, pro-inflammatory chemokines and cytokines in ApoE–/– mice. We demonstrated that ApoE–/– induced atherosclerosis and an increase in iron contents, expression of transferrin receptor 1 (TfR1), iron regulatory proteins (IRPs), heme oxygenase 1 (HO1), cellular adhesion molecules and pro-inflammatory cytokines, production of reactive oxygen species (ROS), and a reduction in expression of superoxide dismutase and glutathione peroxidase enzyme in aortic tissues. All of these changes induced by ApoE deficiency could be significantly abolished by deferoxamine. The data showed that the increased iron in aortic tissues was mainly due to the increased iron uptake via IRP/TfR1 upregulation. These findings plus a brief analysis of the controversial results reported previously showed that ApoE deficiency-induced atherosclerosis is partly mediated by the increased iron in aortic tissues.
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Affiliation(s)
- Juan Ma
- Institute of Translational and Precision Medicine, Nantong University, Nantong, China
- Laboratory of Neuropharmacology, Fudan University School of Pharmacy, Shanghai, China
- National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Hui-Min Ma
- Institute of Translational and Precision Medicine, Nantong University, Nantong, China
| | - Meng-Qi Shen
- Institute of Translational and Precision Medicine, Nantong University, Nantong, China
| | - Yuan Yuan Wang
- Laboratory of Neuropharmacology, Fudan University School of Pharmacy, Shanghai, China
- National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yu-Xin Bao
- Research Center for Medicine and Biology, Zunyi Medical University, Zunyi, China
| | - Yong Liu
- Department of Pain and Rehabilitation, The Second Affiliated Hospital, The Army Medical University, Chongqing, China
| | - Ya Ke
- School of Biomedical Sciences and Gerald Choa Neuroscience Center, Faculty of Medicine, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR, China
- *Correspondence: Ya Ke,
| | - Zhong-Ming Qian
- Institute of Translational and Precision Medicine, Nantong University, Nantong, China
- Zhong-Ming Qian,
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195
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Wang L, Wang Y, Bian Z, Ma J, Huang J. [A nonlocal spectral similarity-induced material decomposition method for noise reduction of dual-energy CT images]. Nan Fang Yi Ke Da Xue Xue Bao 2022; 42:724-732. [PMID: 35673917 DOI: 10.12122/j.issn.1673-4254.2022.05.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To propose a nonlocal spectral similarity-induced material decomposition network (NSSD-Net) to reduce the correlation noise in the low-dose spectral CT decomposed images. METHODS We first built a model-driven iterative decomposition model for dual-energy CT, optimized the objective function solving process using the iterative shrinking threshold algorithm (ISTA), and cast the ISTA decomposition model into the deep learning network. We then developed a novel cost function based on the nonlocal spectral similarity to constrain the training process. To validate the decomposition performance, we established a material decomposition dataset by real patient dual-energy CT data. The NSSD-Net was compared with two traditional model-driven material decomposition methods, one data-based material decomposition method and one data-model coupling-driven material decomposition supervised learning method. RESULTS The quantitative results showed that compared with the two traditional methods, the NSSD-Net method obtained the highest PNSR values (31.383 and 31.444) and SSIM values (0.970 and 0.963) and the lowest RMSE values (2.901 and 1.633). Compared with the datamodel coupling-driven supervised decomposition method, the NSSD-Net method obtained the highest SSIM values on water and bone decomposed results. The results of subjective image quality assessment by clinical experts showed that the NSSD-Net achieved the highest image quality assessment scores on water and bone basis material (8.625 and 8.250), showing significant differences from the other 4 decomposition methods (P < 0.001). CONCLUSION The proposed method can achieve high-precision material decomposition and avoid training data quality issues and model unexplainable issues.
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Affiliation(s)
- L Wang
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Guangzhou Key Laboratory of Medical Radiation Imaging and Detection Technology, Guangzhou 510515, China
| | - Y Wang
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Guangzhou Key Laboratory of Medical Radiation Imaging and Detection Technology, Guangzhou 510515, China
| | - Z Bian
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Guangzhou Key Laboratory of Medical Radiation Imaging and Detection Technology, Guangzhou 510515, China
| | - J Ma
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Guangzhou Key Laboratory of Medical Radiation Imaging and Detection Technology, Guangzhou 510515, China
| | - J Huang
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.,Guangzhou Key Laboratory of Medical Radiation Imaging and Detection Technology, Guangzhou 510515, China
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196
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Ali N, Tian H, Thabane L, Ma J, Wu H, Zhong Q, Gao Y, Sun C, Zhu Y, Wang T. The Effects of Dual-Task Training on Cognitive and Physical Functions in Older Adults with Cognitive Impairment; A Systematic Review and Meta-Analysis. J Prev Alzheimers Dis 2022; 9:359-370. [PMID: 35543010 DOI: 10.14283/jpad.2022.16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND AND OBJECTIVE Individuals with Alzheimer disease and dementia experience cognitive decline and reduction in physical capabilities. Engaging in cognitive challenges and physical exercises is effective in reducing age-related cognitive and physical decline. It is believed that physical activity in the context of cognitive challenges might enhance the process of neurogenesis in the adult brain, but how effective are such interventions? Is there enough evidence to support that dual-task training is more effective than cognitive or physical training alone? To what extent can such training improve cognitive and physical functions in patients at various stages of cognitive decline? METHODOLOGY This systematic review with meta-analysis summarizes the emerging evidence of dual-task training for enhancing cognitive and physical functions in older individuals with cognitive impairment, dementia or Alzheimer's disease. A systematic search was carried out in MEDLINE, PubMed, EMBASE, and Cochrane Library with the following search terms: randomized control trials, dual-task training, SCD, MCI, dementia, and Alzheimer's disease. RESULTS A total of 21 studies with 2,221 participants were identified. The results of dual-task tanning intervention are summarized as change in global cognitive function; SMD = 0.24, (P= 0.002), memory; SMD = 0.28, (P = 0.000), executive function; SMD = 0.35, (P = 0.000), attention; SMD = -0.19, (P = 0.1), gait speed; SMD = 0.26, (P = 0.007), dual-task cost; SMD 0.56, (P = 0.000), and balance; SMD 0.36, (P = 0.004). CONCLUSION Primary analysis showed a small-to-medium positive effect of dual-task training interventions on cognitive functions and medium-to-large positive effect on gait functions and balance.
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Affiliation(s)
- N Ali
- Tong Wang, Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanjing Medical University, No. 300 of Guangzhou Road, Nanjing, Jiangsu 210029, China. Tel: +86 13951680478, fax: +862583318752. E-mail: ; Yi Zhu, Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanjing Medical University, No. 300 of Guangzhou Road, Nanjing, Jiangsu 210029, China. Tel: +86 13705164030, fax: +862583318752. E-mail:
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197
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Ma SY, Ma J, Li D, Lu Y. [Research progress on the relationship between circular RNAs and cataract]. Zhonghua Yan Ke Za Zhi 2022; 58:385-389. [PMID: 35511667 DOI: 10.3760/cma.j.cn112142-20210928-00457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Cataract is the leading cause of visual impairment and blindness on a global scale. The pathogenesis of cataract is not completely understood. Circular RNAs (circRNAs) are a special kind of non-coding RNAs with high stability and conservation. They are widely involved in a variety of biological processes and diseases. Abnormal expression of circRNAs can participate in the development of cataract, affecting the function of lens epithelial cells through interacting with proteins and sponging microRNAs. They are possible targets for cataract prevention and treatment. This article reviews the research progress on the role of circRNAs in the occurrence and development of cataract.
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Affiliation(s)
- S Y Ma
- Department of Ophthalmology, Eye & ENT Hospital of Fudan University, NHC Key Laboratory of Myopia (Fudan University), Laboratory of Myopia, Chinese Academy of Medical Science, Shanghai 200031, China
| | - J Ma
- Department of Facial Plastic and Reconstructive Surgery, Eye & ENT Hospital of Fudan University, Shanghai 200031, China
| | - D Li
- Department of Ophthalmology, Eye & ENT Hospital of Fudan University, NHC Key Laboratory of Myopia (Fudan University), Laboratory of Myopia, Chinese Academy of Medical Science, Shanghai 200031, China
| | - Y Lu
- Department of Ophthalmology, Eye & ENT Hospital of Fudan University, NHC Key Laboratory of Myopia (Fudan University), Laboratory of Myopia, Chinese Academy of Medical Science, Shanghai 200031, China
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198
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Yu Y, Li A, Li S, Zheng B, Ma J, Liu Y, Kou X, Xue Z. Mechanism of biochanin A alleviating PM 2.5-induced oxidative damage based on an XRCC1 knockout BEAS-2B cell model. Food Funct 2022; 13:5102-5114. [PMID: 35415734 DOI: 10.1039/d1fo04312a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PM2.5 induces oxidative/antioxidant system imbalance and excessive release of reactive oxygen species (ROS) and produces toxic effects and irreversible damage to the genetic material including chromosomes and DNA. Biochanin A (BCA), an isoflavone with strong antioxidant activity, effectively intervenes against PM2.5-induced oxidative damage. The X-ray repair cross-complementary protein 1 (XRCC1)/BER pathway involves DNA damage repair caused by oxidative stress. This paper aims to explore the mechanism of BCA alleviating oxidative DNA damage caused by PM2.5 by establishing the in vitro cell model based on CRISPR/Cas9 technology and combining it with mechanism pathway research. The results showed that PM2.5 exposure inhibited the expression of BER and NER pathway proteins and induced the overexpression of ERCC1. BCA showed an effective intervention in the toxicity of PM2.5 in normal cells, rather than XRCC1 knock-out cells. This laid a foundation for further exploring the key role of XRCC1 in PM2.5-caused oxidative damage and the BER/DNA damage repair pathway.
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Affiliation(s)
- Yue Yu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, China.
| | - Ang Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, China.
| | - Shihao Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, China.
| | - Bowen Zheng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, China.
| | - Juan Ma
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, China.
| | - Yazhou Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, China.
| | - Xiaohong Kou
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, China.
| | - Zhaohui Xue
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, China.
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199
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Deng R, Lou K, Zhou SL, Li XX, Zou ZY, Ma YH, Ma J, Dong B. [Relationship between parental reproductive age and the risk of overweight and obesity in offspring]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:583-589. [PMID: 35644971 DOI: 10.3760/cma.j.cn112150-20220223-00171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To explore the role of parental reproductive age on the risk of overweight and obesity in offspring. Methods: The participants were derived from physical examination data of students aged 6-18 years in seven provinces in China, and questionnaire survey was used to collect demographic characteristics and lifestyle information of the students and their parents. A total of 41 567 children with complete data were included. According to the restricted cubic spline curve, maternal reproductive age was divided into three categories, 14-23, 24-28, and 29-38 years, and paternal reproductive age was divided into 14-23, 24-30, and 31-42 years. Multivariate logistic regression model was used to analyze the association between parental reproductive age and parental nutritional status and the risk of overweight and obesity in offspring. Results: The mean age of 41 567 children was (10.6±3.2) years, and the mean paternal and maternal age were (27.9±4.4) years and (25.8±4.0) years, respectively. The detection rate of overweight and obesity was 23.4%. After adjusting factors of children diet and behaviors, the OR(95%CI)of offspring overweight and obesity in groups of fathers aged 24-30 years and mothers aged 24-28 years was 1.11 (1.04-1.18) and 1.16 (1.08-1.24), respectively. When none parents were overweight and obese, the difference of obesity risk was not statistically significant. When both parents were overweight and obese, the OR(95%CI)of offspring overweight and obesity in groups of fathers aged 24-30 years and mothers aged 14-28 years old was 1.27 (1.00-1.62) and 1.33 (1.07-1.65) respectively. Conclusion: Parental reproductive age and parental overweight and obesity status may both increase the risk of overweight and obesity in offspring, with a significant interaction effect.
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Affiliation(s)
- R Deng
- Institute of Child and Adolescent health, School of Public Health, Peking University, Beijing 100191, China
| | - K Lou
- Institute of Child and Adolescent health, School of Public Health, Peking University, Beijing 100191, China
| | - S L Zhou
- Institute of Child and Adolescent health, School of Public Health, Peking University, Beijing 100191, China
| | - X X Li
- Institute of Child and Adolescent health, School of Public Health, Peking University, Beijing 100191, China
| | - Z Y Zou
- Institute of Child and Adolescent health, School of Public Health, Peking University, Beijing 100191, China
| | - Y H Ma
- Institute of Child and Adolescent health, School of Public Health, Peking University, Beijing 100191, China
| | - J Ma
- Institute of Child and Adolescent health, School of Public Health, Peking University, Beijing 100191, China
| | - B Dong
- Institute of Child and Adolescent health, School of Public Health, Peking University, Beijing 100191, China
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Ma J, Daou R, Bou Eid J, Lee J, Fregonese B, El-Khoury J, Wijetunga N, Hubbeling H, Tringale K, Lebow E, Imber B, Yahalom J, Hajj C. OC-0296 The role of radiation therapy in the treatment of primary hepatic lymphomas. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02554-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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