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Deng C, Xiong C, Huo J, Liu Y, Man Y, Qu Y. Posterior open wound healing in immediate implant placement using reactive soft tissue versus absorbable collagen sponge: a retrospective cohort study. Int J Oral Maxillofac Surg 2024; 53:436-443. [PMID: 38103945 DOI: 10.1016/j.ijom.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 10/13/2023] [Accepted: 11/15/2023] [Indexed: 12/19/2023]
Abstract
The soft and hard tissue healing of open wounds in immediate implant placement are yet to be explored. The aim of this study was to compare the clinical outcomes of open wound healing using reactive soft tissue (RST) and absorbable collagen sponge (ACS). Forty implants placed immediately in posterior sockets were included; autologous RST was used in 20 and ACS substitute was used in 20. Soft tissue healing was primarily assessed through a novel scoring system and the evaluation of gingival recession. The horizontal bone width (HBW) and interproximal marginal bone level (MBL) were measured on radiographs to observe the hard tissue healing. No significant difference in total soft tissue healing score was observed at 2 weeks postoperatively. Notably, the ACS group showed better tissue colour (P = 0.016) but worse fibrous repair (P = 0.043) scores than the RST group. Gingival recession levels were comparable in the two groups, both before tooth extraction and after placement of the restoration. Regarding hard tissue, HBW and MBL changes showed no intergroup differences. Within the limitations of this study, both RST and ACS seemed effective for open wound closure, achieving ideal soft and hard tissue healing in immediate implant placement.
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Affiliation(s)
- C Deng
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases and Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - C Xiong
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - J Huo
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Y Liu
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Y Man
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases and Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Y Qu
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases and Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China.
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Deng C, Xie Y, Liu F, Tang X, Fan L, Yang X, Chen Y, Zhou Z, Li X. Simplified integration of optimal self-management behaviors is associated with improved HbA1c in patients with type 1 diabetes. J Endocrinol Invest 2024:10.1007/s40618-024-02357-8. [PMID: 38602658 DOI: 10.1007/s40618-024-02357-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 03/04/2024] [Indexed: 04/12/2024]
Abstract
PURPOSE Living with type 1 diabetes requires burdensome and complex daily diabetes self-management behaviors. This study aimed to determine the association between integrated behavior performance and HbA1c, while identifying the behavior with the most significant impact on HbA1c. METHODS A simple and feasible questionnaire was used to collect diabetes self-management behavior in patients with type 1 diabetes (n = 904). We assessed six dimensions of behavior performance: continuous glucose monitor (CGM) usage, frequent glucose testing, insulin pump usage, carbohydrate counting application, adjustment of insulin doses, and usage of apps for diabetes management. We evaluated the association between these behaviors and HbA1c. RESULTS In total, 21.3% of patients performed none of the allotted behavior, while 28.5% of patients had a total behavior score of 3 or more. 63.6% of patients with a behavior score ≥ 3 achieved HbA1c goal, contrasting with only 30.4% of patients with a behavior score of 0-1. There was a mean 0.54% ± 0.05% decrease in HbA1c for each 1-unit increase in total behavior score after adjustment for age, family education and diabetes duration. Each behavior was independently correlated with a lower HbA1c level, with CGM having the most significant effect on HbA1c levels. CONCLUSIONS Six optimal self-management behaviors, especially CGM usage, were associated with improved glycemic control, emphasizing the feasibility of implementing a simplified version of DSMES in the routine clinical care. REGISTRATION NUMBER ClinicalTrials.gov Identifier: NCT03610984.
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Affiliation(s)
- C Deng
- Department of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Y Xie
- Department of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
| | - F Liu
- Department of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
| | - X Tang
- Department of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
| | - L Fan
- Department of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
| | - X Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Y Chen
- Department of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Z Zhou
- Department of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China.
| | - X Li
- Department of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China.
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Deng C, Zhou Y. [The life and works of Li Shouxian, a medical doctor in the Qing Dynasty]. Zhonghua Yi Shi Za Zhi 2024; 54:17-22. [PMID: 38475681 DOI: 10.3760/cma.j.cn112155-20230106-00003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Li Shouxian, styled as Shanshu, was a medical doctor in the Qing Dynasty. His work Zhenjiu Yixue (Easy Study of Acupuncture and Moxibustion) has numerous versions, with the most refined one being the self-engraved edition from the third year of Jiaqing's reign, housed in the Jilin Province Library. While most content of the book was drawn from Zhenjiu Dacheng (Great Compendium of Acupuncture and Moxibustion), Li's condensation and arrangement of the material achieved the purpose of making it simple and easy to learn. The book has been widely spread and holds certain academic and historical value. This paper makes a textual research on Li's life, family, and his works, clarifies the content, structure and origin of the version of Zhenjiu Yixue and corrects errors in the version records of this book in the General Catalogue of Chinese Ancient Medical Books.
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Affiliation(s)
- C Deng
- Institute of Chinese Medical Literature and Culture, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Y Zhou
- Institute of Chinese Medical Literature and Culture, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
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Wang H, Bothe TL, Deng C, Lv S, Khedkar PH, Kovacs R, Patzak A, Wu L. Comparison of Prognostic Models for Functional Outcome in Aneurysmal Subarachnoid Hemorrhage Based on Machine Learning. World Neurosurg 2023; 180:e686-e699. [PMID: 37821029 DOI: 10.1016/j.wneu.2023.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 10/03/2023] [Indexed: 10/13/2023]
Abstract
BACKGROUND Controversy exists regarding the superiority of the performance of prognostic tools based on advanced machine learning (ML) algorithms for patients with aneurysmal subarachnoid hemorrhage (aSAH). However, it is unclear whether ML prognostic models will benefit patients due to the lack of a comprehensive assessment. We aimed to develop and evaluate ML models for predicting unfavorable functional outcomes for aSAH patients and identify the model with the greatest performance. METHODS In this retrospective study, a dataset of 955 patients with aSAH was used to construct and validate prognostic models for functional outcomes assessed using the modified Rankin scale during a follow-up period of 3-6 months. Clinical scores and clinical and radiological features on admission and secondary complications were used to construct models based on 5 ML algorithms (i.e., logistic regression [LR], k-nearest neighbor, extreme gradient boosting, random forest, and artificial neural network). For evaluation among the models, the area under the receiver operating characteristic curve, area under the precision-recall curve, calibration curve, and decision curve analysis were used. RESULTS Composite models had significantly higher area under the receiver operating characteristic curves than did simple models in predicting unfavorable functional outcomes. Compared with other composite models (random forest and extreme gradient boosting) with good calibration, LR had the highest area under the precision-recall score and showed the greatest benefit in decision curve analysis. CONCLUSIONS Of the 5 studied ML models, the conventional LR model outperformed the advanced algorithms in predicting the prognosis and could be a useful tool for health care professionals.
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Affiliation(s)
- Han Wang
- Institute of Translational Physiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu, Berlin, Germany; Department of Neurosurgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Tomas L Bothe
- Institute of Translational Physiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu, Berlin, Germany
| | - Chulei Deng
- Department of Neurosurgery, Jinling Hospital, Nanjing, China
| | - Shengyin Lv
- Department of Neurology, Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Pratik H Khedkar
- Institute of Translational Physiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu, Berlin, Germany
| | - Richard Kovacs
- Institute of Neurophysiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu, Berlin, Germany
| | - Andreas Patzak
- Institute of Translational Physiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu, Berlin, Germany
| | - Lingyun Wu
- Department of Neurosurgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China.
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Yang ST, Deng C, He BB, Chen X, Li X, Zhou ZG. [Application of the Chinese Expert Consensus on Diabetes Classification in clinical practice]. Zhonghua Nei Ke Za Zhi 2023; 62:1085-1092. [PMID: 37650182 DOI: 10.3760/cma.j.cn112138-20230131-00043] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Objective: To evaluate the diagnostic for classification of newly diagnosed diabetes patients and assess the application of the screening tests recommended by the 2022 Chinese Expert Consensus on Diabetes Classification. Methods: Retrospective case series study. The data from the electronic medical record system of patients with new-onset diabetes mellitus (within 1 year of disease onset) who attending the Diabetes Specialist Outpatient Clinic at the Second Xiangya Hospital of Central South University from January 1, 2018 to December 31, 2021 were collected for the analysis. Based on the consensus, patients were categorized according their age of onset, body mass index (BMI), and suspicion of type 1 diabetes mellitus (T1DM). The chi-square statistic was used to compare key classifier indicators, including C-peptide, islet autoantibodies, and genetic markers, in the subgroups. The diagnosis in suspected T1DM patients was also evaluated. The screening strategy recommended in the consensus was further assessed using a logistic regression model and the area under the receiver-operating curve (AUC). Results: A total of 3 384 patients with new-onset diabetes were included. The average age of disease onset was (46.3±13.9) years, and 61.0% (2 065/3 384) of the patients were male. The proportions of patients who completed C-peptide and glutamic acid decarboxylase antibody (GADA) tests were 36.6% (1 238/3 384) and 37.5% (1 269/3 384), respectively. There were no significant differences in C-peptide test results among the subgroups (all P>0.05). In contrast, the GADA detection rate was higher in patients with young age of onset (<30 years old), in those who were non-obese (BMI<24 kg/m2), and in those clinically suspected of T1DM (all P<0.05). According to the diagnostic pathway proposed by the consensus, only 57.4% (1 941/3 384) of patients could be subtyped. For a definitive diagnosis, the remaining patients needed completion of C-peptide, islet autoantibody, genetic testing, or follow-up. Furthermore, among patients with clinical features of suspected T1DM, the antibody positivity rate was higher than in non-suspected T1DM patients [24.5% (154/628) vs. 7.1% (46/646), P<0.001]. When the clinical features of suspected T1DM defined in the consensus were taken as independent variables and antibody positivity was considered the outcome variable in the logistic regression model, young onset, non-obese onset, and ketosis onset could enter the model. Based on AUC analysis, the accuracy of the diagnostic model was 0.77 (95%CI 0.73-0.81), suggesting that the clinical features of suspected T1DM in the consensus have good clinical diagnostic value for this patient subgroup. Conclusions: There was a significant discrepancy between the clinical practice of diabetes classification and the process recommended by the consensus, which was specifically reflected in the low proportions of both subtyping indicator testing and definitively subtyped diabetes patients. Attention should be pay to the classification diagnosis process proposed in the consensus and the clinical detection rate of key diabetes subtyping indicators such as C-peptide and islet autoantibodies for diabetes classification should be improved. Noteworthy, the screening strategy for T1DM proposed by the consensus showed good clinical application value.
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Affiliation(s)
- S T Yang
- Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha 410011, China
| | - C Deng
- Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha 410011, China
| | - B B He
- Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha 410011, China
| | - X Chen
- Department of Information Science, the Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - X Li
- Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha 410011, China
| | - Z G Zhou
- Department of Metabolism and Endocrinology, the Second Xiangya Hospital of Central South University, National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha 410011, China
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Chen J, Wang H, Deng C, Fei M. SLC12A5 as a novel potential biomarker of glioblastoma multiforme. Mol Biol Rep 2023; 50:4285-4299. [PMID: 36917367 DOI: 10.1007/s11033-023-08371-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 03/02/2023] [Indexed: 03/16/2023]
Abstract
BACKGROUND Glioblastoma multiforme (GBM) is the most prevalent and malignant intracranial tumor with significant features of dismal prognosis and limited therapeutic solutions. Consequently, the present studies are committed to exploring potential biomarkers through bioinformatics analysis, which may serve as valuable prognostic predictors or novel therapeutic targets and provide new insights into the pathogenesis of GBM. METHODS We filtered overlapping differentially expressed genes (DEGs) based on expression profilings from three GBM microarray datasets (GSE116520, GSE4290 and GSE68848) and combined RNA sequencing data from The Cancer Genome Atlas and the Genotype-Tissue Expression databases. Hub genes were prioritized from DEGs after performing protein-protein interaction (PPI) network analysis and weighted gene co-expression network analysis (WGCNA). This was followed by survival analysis to identify potential biomarkers among hub genes. Ultimately, the distributions of gene expressions, genetic alterations, upstream regulatory mechanisms and enrichments of gene functions of the identified biomarkers were analysed on public databases. QRT-PCR, immunohistochemical staining and western blotting was also used to confirm the gene expression patterns in GBM and normal brain tissues. CCK-8 assay clarified the effects of the genes on GBM cells. RESULTS A total of 322 common DEGs were determined and nine genes were subsequently considered as hub genes by the combination of PPI network analysis and WGCNA. Only SLC12A5 had prognostic significance, which was deficient in GBM whereas especially enriched in normal neural tissues. SLC12A5 overexpression would inhibit cell proliferation of U251MG. Genetic alterations of SLC12A5 were rarely seen in GBM patients, and there was no apparent association existed between SLC12A5 expression and DNA methylation. SLC12A5 was prominently involved in ion transport, synapse and neurotransmitter. CONCLUSION SLC12A5 shows promise to function as a novel effective biomarker for GBM and deserves further systematic research.
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Affiliation(s)
- Jiakai Chen
- Department of Neurosurgery, Ningbo First Hospital, Ningbo, Zhejiang, China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China.
| | - Chulei Deng
- Department of Neurosurgery, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing, Jiangsu, China
| | - Maoxing Fei
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
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Zhang P, Ohshima S, Zhao H, Deng C, Kobayashi S, Kado S, Minami T, Matoike R, Miyashita A, Iwata A, Kondo Y, Qiu D, Wang C, Luo M, Konoshima S, Inagaki S, Okada H, Mizuuchi T, Nagasaki K. Development and initial results of 320 GHz interferometer system in Heliotron J. Rev Sci Instrum 2022; 93:113519. [PMID: 36461432 DOI: 10.1063/5.0101808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 10/02/2022] [Indexed: 06/17/2023]
Abstract
A new 320 GHz solid-state source interferometer is installed in the Heliotron J helical device to explore the physics of high-density plasmas (ne > 2-3 × 1019 m-3, typically) realized with advanced fueling techniques. This interferometry system is of the Michelson type and is based on the heterodyne principle, with two independent solid-state sources that can deliver an output power of up to 50 mW. A high time resolution measurement of <1 µs can be derived by tuning the frequency of one source in the frequency range of 312-324 GHz on the new system, which can realize the fluctuation measurement. We successfully measured the line-averaged electron density in high-density plasma experiments. The measured density agreed well with a microwave interferometer measurement using a different viewing chord, demonstrating that the new system can be used for routine diagnostics of electron density in Heliotron J.
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Affiliation(s)
- P Zhang
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - S Ohshima
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - H Zhao
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - C Deng
- University of California, Los Angeles, California 90095-1594, USA
| | - S Kobayashi
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - S Kado
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - T Minami
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - R Matoike
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - A Miyashita
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - A Iwata
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Y Kondo
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - D Qiu
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - C Wang
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - M Luo
- Graduate School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - S Konoshima
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - S Inagaki
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - H Okada
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - T Mizuuchi
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - K Nagasaki
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
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Xia K, Wang F, Lai X, Luo P, Chen H, Ma Y, Huang W, Ou W, Li Y, Feng X, Lei Z, Tu X, Ke Q, Mao F, Deng C, Xiang A. Gene Editing/Gene Therapies: AAV-MEDIATED GENE THERAPY PRODUCES FERTILE OFFSPRING IN THE LHCGR-DEFICIENT MOUSE MODEL OF LEYDIG CELL FAILURE. Cytotherapy 2022. [DOI: 10.1016/s1465-3249(22)00156-6] [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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9
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Hakala S, Vakkari V, Bianchi F, Dada L, Deng C, Dällenbach KR, Fu Y, Jiang J, Kangasluoma J, Kujansuu J, Liu Y, Petäjä T, Wang L, Yan C, Kulmala M, Paasonen P. Observed coupling between air mass history, secondary growth of nucleation mode particles and aerosol pollution levels in Beijing. Environ Sci Atmos 2022; 2:146-164. [PMID: 35419523 PMCID: PMC8929417 DOI: 10.1039/d1ea00089f] [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] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/29/2021] [Indexed: 06/14/2023]
Abstract
Atmospheric aerosols have significant effects on the climate and on human health. New particle formation (NPF) is globally an important source of aerosols but its relevance especially towards aerosol mass loadings in highly polluted regions is still controversial. In addition, uncertainties remain regarding the processes leading to severe pollution episodes, concerning e.g. the role of atmospheric transport. In this study, we utilize air mass history analysis in combination with different fields related to the intensity of anthropogenic emissions in order to calculate air mass exposure to anthropogenic emissions (AME) prior to their arrival at Beijing, China. The AME is used as a semi-quantitative metric for describing the effect of air mass history on the potential for aerosol formation. We show that NPF events occur in clean air masses, described by low AME. However, increasing AME seems to be required for substantial growth of nucleation mode (diameter < 30 nm) particles, originating either from NPF or direct emissions, into larger mass-relevant sizes. This finding assists in establishing and understanding the connection between small nucleation mode particles, secondary aerosol formation and the development of pollution episodes. We further use the AME, in combination with basic meteorological variables, for developing a simple and easy-to-apply regression model to predict aerosol volume and mass concentrations. Since the model directly only accounts for changes in meteorological conditions, it can also be used to estimate the influence of emission changes on pollution levels. We apply the developed model to briefly investigate the effects of the COVID-19 lockdown on PM2.5 concentrations in Beijing. While no clear influence directly attributable to the lockdown measures is found, the results are in line with other studies utilizing more widely applied approaches.
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Affiliation(s)
- S Hakala
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
| | - V Vakkari
- Finnish Meteorological Institute Erik Palmenin Aukio 1 Helsinki Finland
- Atmospheric Chemistry Research Group, Chemical Resource Beneficiation, North-West University Potchefstroom South Africa
| | - F Bianchi
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
| | - L Dada
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
- Extreme Environments Research Laboratory, Ecole Polytechnique Fédérale de Lausanne (EPFL) Valais Sion 1951 Switzerland
- Laboratory of Atmospheric Chemistry, Paul Scherrer Institute 5232 Villigen Switzerland
| | - C Deng
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University Beijing China
| | - K R Dällenbach
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
- Laboratory of Atmospheric Chemistry, Paul Scherrer Institute 5232 Villigen Switzerland
| | - Y Fu
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University Beijing China
| | - J Jiang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University Beijing China
| | - J Kangasluoma
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
| | - J Kujansuu
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
| | - Y Liu
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
| | - T Petäjä
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
- Joint International Research Laboratory of Atmospheric and Earth System Sciences, Nanjing University Nanjing China
| | - L Wang
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences Beijing 100029 China
| | - C Yan
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
| | - M Kulmala
- Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing China
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
- Joint International Research Laboratory of Atmospheric and Earth System Sciences, Nanjing University Nanjing China
| | - P Paasonen
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki Helsinki Finland
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Xu P, Wang H, Pan H, Chen J, Deng C. Anlotinib combined with temozolomide suppresses glioblastoma growth via mediation of JAK2/STAT3 signaling pathway. Cancer Chemother Pharmacol 2022; 89:183-196. [PMID: 34997858 PMCID: PMC8807469 DOI: 10.1007/s00280-021-04380-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 11/22/2021] [Indexed: 12/12/2022]
Abstract
Purpose Anlotinib protects against carcinogenesis through the induction of autophagy and apoptosis. The current study evaluated the role and molecular mechanisms of anlotinib in glioblastoma, and the effects of anlotinib in combination with temozolomide (TMZ). Methods Cell Counting Kit-8 and colony-forming assays were used to evaluate cell viability. Cell migration and invasion were assessed by wound-healing, Transwell migration, and Matrigel invasion assays. Cellular apoptosis and cell cycle analysis were determined by flow cytometry. Angiogenesis was assessed using human umbilical vein endothelial cells (HUVECs). Vascular endothelial growth factor A (VEGFA) was measured by enzyme-linked immunosorbent assay. Protein expression was determined by western blotting or immunofluorescence staining. The in vivo anti-glioblastoma effect was assessed with live imaging of tumor xenografts in nude mice. Results Anlotinib restricted the proliferation, migration, and invasion of glioblastoma cells in a dose-dependent manner. Tumor supernatant from glioblastoma cells treated with anlotinib inhibited angiogenesis in HUVECs. Anlotinib induced autophagy in glioblastoma cells by increasing Beclin-1 and microtubule-associated protein 1 light chain 3B (LC3B) levels. Mechanistically, anlotinib inhibited the Janus kinase 2 (JAK2)/signal transducer and activator of transcription 3 (STAT3)/VEGFA signaling pathway. STAT3 inhibition by S3I-201 decreased VEGFA and suppressed cellular proliferation and movement. TMZ enhanced the anti-glioblastoma ability of anlotinib. Finally, anlotinib inhibited tumor growth and JAK2/STAT3/VEGFA signaling in xenografts. Conclusion Anlotinib exerts anti-glioblastoma activity possibly through the JAK2/STAT3/VEGFA signaling pathway. TMZ potentiated the anti-glioblastoma effect of anlotinib via the same signaling pathway, indicating the potential application of anlotinib as a treatment option for glioblastoma.
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Affiliation(s)
- Peng Xu
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Southeast University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Southeast University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China.
| | - Hao Pan
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Southeast University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China.
| | - Jiakai Chen
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Chulei Deng
- Department of Neurosurgery, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing, 210002, China
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11
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Chen S, Wang Y, Wang Z, Zhang X, Deng C, Ma B, Yang J, Lu Q, Zhao Y. Sleep Duration and Frailty Risk among Older Adults: Evidence from a Retrospective, Population-Based Cohort Study. J Nutr Health Aging 2022; 26:383-390. [PMID: 35450995 DOI: 10.1007/s12603-022-1766-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVES Frailty and sleep duration complaints are both prevalent and often coexist among older adults. The purpose of this study was to examine the prospective association between sleep duration and frailty risk in a nationally representative cohort study. DESIGN Prospective cohort study, ten-year follow-up. SETTING Community-based setting in 23 provinces of China. PARTICIPANTS A total of 7623 older adults age 65 and over without frailty at baseline were included in the analysis. MEASUREMENTS The participants were divided into three groups according to self-reported sleep duration: short (≤6 hours per day), middle (>6 but <10 hours per day) and long (≥10 hours per day). Frailty was measured according to the accumulation of health deficits by the construction of a frailty index of 38 items with 0.25 as the cutoff. A Cox proportional hazard model, a competing risk model and a generalized estimating equation (GEE) model with multiple adjustments were performed to evaluate the association between sleep duration and frailty risk. RESULTS During a median follow-up period of 4.4 years (IQR 2.9-9.0), 2531 (33.2%) individuals developed frailty. Compared with participants with middle sleep duration, the risk of frailty was increased among participants with long sleep duration (HR 1.26, 95% CI 1.14-1.38) in the fully adjusted Cox proportional hazard model. However, short sleep duration was insignificantly associated with frailty risk. The competing risk model and the GEE model yielded similar results. CONCLUSION Long sleep duration is significantly associated with frailty incidence among older adults even after adjustment for confounding factors. This study provides reinforcing longitudinal evidence for the need to design sleep quality improvement interventions in health care programs to prevent frailty among older adults.
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Affiliation(s)
- S Chen
- Qi Lu, MD, School of Nursing, Tianjin Medical University, Tianjin, 300070, China. Tel:86-23542855. Email address: ; Yue Zhao, PhD, Professor, School of Nursing, Tianjin Medical University, Tianjin, 300070, China. Tel:86-23542855. Email address:
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12
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Jowsey T, Deng C, Weller J. General-purpose thematic analysis: a useful qualitative method for anaesthesia research. BJA Educ 2021; 21:472-478. [PMID: 34840819 DOI: 10.1016/j.bjae.2021.07.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2021] [Indexed: 11/29/2022] Open
Affiliation(s)
- T Jowsey
- Centre for Medical and Health Sciences Education, School of Medicine, University of Auckland, Auckland, New Zealand
| | - C Deng
- Department of Anaesthesia, Auckland City Hospital, Auckland, New Zealand
| | - J Weller
- Centre for Medical and Health Sciences Education, School of Medicine, University of Auckland, Auckland, New Zealand.,Department of Anaesthesia, Auckland City Hospital, Auckland, New Zealand
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13
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Bi N, Hu X, Zhao K, Yang Y, Zhang L, E M, Cao J, Ge H, Zhu X, Zhao L, Di Y, Jiang W, Ran J, Zhang H, Zhang T, Shen W, Deng C, Hu C, Chen M, Wang L. P64.04 Hypo-Fractionated Versus Conventionally Fractionated Radiotherapy for Patients with LS-SCLC: An Open-Label, Randomized, Phase 3 Trial. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.675] [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]
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14
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Janne P, Wang M, Mitchell P, Fang J, Nian W, Chiu C, Zhou J, Zhao Y, Su W, Camidge D, Yang T, Zhu V, Millward M, Fan Y, Huang W, Cheng Y, Jiang L, Brungs D, Bazhenova L, Lee C, Gao B, Qi S, Yu X, Deng C, Chen K, Ye X, Zheng L, Yang Z, Yang J. OA15.02 Phase 1 Studies of DZD9008, an Oral Selective EGFR/HER2 Inhibitor in Advanced NSCLC with EGFR Exon20 Insertion Mutations. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.083] [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: 10/20/2022]
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15
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Chen S, Ye T, Fu F, Deng C, Hu H, Sun Y, Pan Y, Zhang Y, Xiang J, Zhang Y, Shen X, Wang S, Wang Z, Li Y, Chen H. P56.03 Prognostic Value of Tumor Spread Through Air Spaces in Patients With Lung Adenocarcinoma after Radical Surgery. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.569] [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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16
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Ouyang DJ, Chen QT, Anwar M, Xie N, Ouyang QC, Fan PZ, Qian LY, Chen GN, Zhou EX, Guo L, Gu XW, Ding BN, Yang XH, Liu LP, Deng C, Xiao Z, Li J, Wang YQ, Zeng S, Wang S, Yi W. The Efficacy of Pyrotinib as a Third- or Higher-Line Treatment in HER2-Positive Metastatic Breast Cancer Patients Exposed to Lapatinib Compared to Lapatinib-Naive Patients: A Real-World Study. Front Pharmacol 2021; 12:682568. [PMID: 34512325 PMCID: PMC8428978 DOI: 10.3389/fphar.2021.682568] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 07/26/2021] [Indexed: 12/12/2022] Open
Abstract
Background: Pyrotinib is a novel irreversible pan-ErbB receptor tyrosine kinase inhibitor. Evidence of the efficacy of pyrotinib-based treatments for HER2-positive metastatic breast cancer (MBC) in patients exposed to lapatinib is limited. Methods: Ninety-four patients who received pyrotinib as a third- or higher-line treatment for HER2-positive MBC were included in this retrospective study. The primary and secondary endpoints were overall survival (OS) and progression‐free survival (PFS). Propensity score matching (PSM) and inverse probability of treatment weighting (IPTW) analysis were implemented to balance important patient characteristics between groups. Results: Thirty (31.9%) patients were pretreated with lapatinib and subsequently received pyrotinib as an anti-HER2 treatment, and 64 (68.1%) patients did not receive this treatment. The OS and PFS indicated a beneficial trend in lapatinib-naive group compared to lapatinib-treated group in either the original cohort (PFS: 9.02 vs 6.36 months, p = 0.05; OS: 20.73 vs 14.35 months, p = 0.08) or the PSM (PFS: 9.02 vs 6.08 months, p = 0.07; OS: 19.07 vs 18.00 months, p = 0.61) or IPTW (PFS: 9.90 vs 6.17 months, p = 0.05; OS: 19.53 vs 15.10 months, p = 0.08) cohorts. Subgroup analyses demonstrated lapatinib treatment-related differences in PFS in the premenopausal subgroup and the no prior trastuzumab treatment subgroup, but no significant differences were observed in OS. Conclusion: Pyrotinib-based therapy demonstrated promising effects in HER2-positive MBC patients in a real-world study, especially in lapatinib-naive patients, and also some activity in lapatinib-treated patients.
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Affiliation(s)
- D J Ouyang
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, China.,Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Q T Chen
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - M Anwar
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - N Xie
- Department of Internal Medicine of Breast, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Q C Ouyang
- Department of Internal Medicine of Breast, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - P Z Fan
- Department of Breast and Thyroid Surgery, Hunan Provincial People's Hospital, Changsha, China
| | - L Y Qian
- Department of Breast and Thyroid Surgery, Third Xiangya Hospital, Central South University, Changsha, China
| | - G N Chen
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - E X Zhou
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - L Guo
- Department of Breast Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - X W Gu
- Department of Breast and Thyroid Surgery, Hunan Provincial People's Hospital, Changsha, China
| | - B N Ding
- Department of Breast and Thyroid Surgery, Third Xiangya Hospital, Central South University, Changsha, China
| | - X H Yang
- Department of Oncology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - L P Liu
- Department of Oncology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - C Deng
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Z Xiao
- Department of Breast Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - J Li
- Department of Oncology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Y Q Wang
- Department of Traditional Chinese Medicine, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - S Zeng
- Department of Internal Medicine-Oncology, Xiangya Hospital, Central South University, Changsha, China
| | - Shouman Wang
- Department of Breast Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Wenjun Yi
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
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17
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Deng C. O-044 Chinese Society of Reproductive Medicine 2018 annual report on ART. Hum Reprod 2021. [DOI: 10.1093/humrep/deab126.043] [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: 11/13/2022] Open
Abstract
Abstract text
Objective
To analysis the Chinese ART data in 2018 to provide evidence for utilization of various ART.
Methods
The data of ART of 263 Reproductive Centers in the mainland of China in 2018 were collected by CSRM ART Data Reporting System. A cross-sectional survey of the use of ART technology was performed.
Results
In 2018, the CSRM data reporting system reported 105 610 AID/AIH cycles, 323 938 oocyte retrieval cycles, 147 129 fresh embryo transfer cycles, 254 012 frozen-thawed embryo transfer (FET) cycles, and 204 688 newborn . The patient's age was mainly concentrated in the group <35 years old, accounting for 63.75%. The pregnancy rate and live birth rate of retrieval cycles were 52.49% and 42.23% respectively. The pregnancy rate and live birth rate of FET cycles were 48.71% and 37.68% respectively. Among ART complications, the incidence of moderate to severe OHSS was 1.42%, 0.03% postoperative bleeding, 0.01% postoperative pelvic infection, and 0.04% the other complications. The incidence of birth defects of IVF was 0.87%.
Conclusions
This study uses "CSRM data reporting system" data to describe and analyze the current status of ART, basically consistent with the comparison in 2016 and 2017 that most cycles with good outcomes. However, no clear conclusions have been drawn on the changes of PGD/PGS cycle, all-freeze cycle and comprehensive analysis should be conducted by combining with laboratory data.
Trial registration number:
Study funding:
Funding source:
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Affiliation(s)
- C Deng
- Peking Union Medical College Hospital, IVF Center, Beijing, China
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18
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Deng C, Yi R, Fei M, Li T, Han Y, Wang H. Naringenin attenuates endoplasmic reticulum stress, reduces apoptosis, and improves functional recovery in experimental traumatic brain injury. Brain Res 2021; 1769:147591. [PMID: 34324877 DOI: 10.1016/j.brainres.2021.147591] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 07/09/2021] [Accepted: 07/23/2021] [Indexed: 11/15/2022]
Abstract
Traumatic brain injury (TBI) is a significant cause of disability and death worldwide. Accumulating evidence suggests that endoplasmic reticulum (ER) stress would be an important component in the pathogenesis of TBI. Although the neuroprotective effects of naringenin, a natural flavonoid isolated from citrus plants, have been confirmed in several neurological diseases, its mechanism of action in TBI needs further investigation. In ICR mice, we found that TBI induced elevated expression of ER stress marker proteins, including 78-kDa glucose-regulated protein (GRP78) and C/EBP homologous protein (CHOP) in the perilesional cortex, which peaked at 7 days and 3 days after TBI, respectively. The induction of ER stress-related proteins partly coincided with ER architectural changes at 3 days post-TBI, indicating ER stress activation in our TBI model. Our results also revealed that continuous naringenin administration ameliorated neurological dysfunction, cerebral edema, plasmalemma permeability, and neuron cell loss at day 3 after TBI. Further, Naringenin suppressed TBI-induced activation of the ER stress pathway (p-eIF2α, ATF4, and CHOP), oxidative stress and apoptosis on day 3 after TBI. In summary, our data suggest that naringenin could ameliorate TBI-induced secondary brain injury by pleiotropic effects, including ER stress attenuation.
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Affiliation(s)
- Chulei Deng
- Department of Neurosurgery, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing 210002, PR China
| | - Renxin Yi
- Department of Neurosurgery, Jinling Hospital, Southeast University, School of Medicine, Nanjing 210002, PR China
| | - Maoxing Fei
- Department of Neurosurgery, Jinling Hospital, Nanjing Medical University, School of Medicine, Nanjing 210002, PR China
| | - Tao Li
- Department of Neurosurgery, Jinling Hospital, Nanjing Medical University, School of Medicine, Nanjing 210002, PR China
| | - Yanling Han
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, PR China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, PR China.
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Chen J, Wang H, Wang J, Niu W, Deng C, Zhou M. LncRNA NEAT1 Enhances Glioma Progression via Regulating the miR-128-3p/ITGA5 Axis. Mol Neurobiol 2021; 58:5163-5177. [PMID: 34263426 PMCID: PMC8497354 DOI: 10.1007/s12035-021-02474-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 06/24/2021] [Indexed: 12/15/2022]
Abstract
Accumulating evidences indicate that long non-coding RNA nuclear paraspeckle assembly transcript 1 (NEAT1) promotes the progression of glioma. In this study, we postulated that NEAT1 may act as a miR-128-3p sponge. Relative levels of NEAT1 and miR-128-3p expression in human glioma samples and GBM cells were detected using quantitative real-time PCR. By means of CCK-8 assays, transwell assays, and flow cytometric analysis, the biological functions of miR-128-3p and NEAT1 were investigated in U87MG and U251MG human GBM cell lines with stable miR-128-3p and NEAT1 knockdown or overexpression. The luciferase reports, RNA pull-down assay, and RNA immunoprecipitation assay were conducted to determine the relevance of NEAT1 and miR-128-3p in glioma. As a result, high expression of NEAT1 and lack of miR-128-3p were observed in glioma specimens and cells. By binding to anti-oncogene miR-128-3p in the nucleus, NEAT1 enhanced tumorigenesis and glioma development. Further experiments suggested that ITGA5 expression was increased in glioma tissues and was found to be connected with miR-128-3p. Additionally, NEAT1 facilitated ITGA5 expression via competitively binding to miR-128-3p. For this reason, ITGA5 would not be decomposed by miR-128-3p and could activate FAK signaling pathway, thereby promoting cell growth. Collectively, these results indicated that the NEAT1/miR-128-3p/ITGA5 axis was involved in glioma initiation and progression, and might offer a potential novel strategy for treatment of glioma.
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Affiliation(s)
- Jiakai Chen
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China.
| | - Junjun Wang
- Department of Clinical Laboratory, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China.
| | - Wenhao Niu
- Department of Neurosurgery, Jinling Hospital, Medical School of Southeast University, 305 East Zhongshan Road, 210002, Nanjing, Jiangsu, People's Republic of China
| | - Chulei Deng
- Department of Neurosurgery, Jinling Hospital, the first School of Clinical Medicine, Southern Medical University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China
| | - Mengliang Zhou
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, People's Republic of China
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Ohshima S, Zhang P, Kume H, Deng C, Miyashita A, Kobayashi S, Okada H, Minami T, Kado S, Adulsiriswad P, Qiu D, Luo M, Matoike R, Suzuki T, Konoshima S, Mizuuchi T, Nagasaki K. Development of a multi-channel 320 GHz interferometer for high density plasma measurement in Heliotron J. Rev Sci Instrum 2021; 92:053519. [PMID: 34243360 DOI: 10.1063/5.0043581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 04/12/2021] [Indexed: 06/13/2023]
Abstract
We report the development of a new interferometer with two stable, high-power, 320 GHz solid-state sources in Heliotron J. A heterodyne Michelson interferometer optical scheme is employed. Two solid-state oscillators are utilized as sources with a fixed frequency at 320 GHz and frequency tunable of 312-324 GHz. Quasi-optical techniques are used for beam transmission. The beam is elongated in the vertical direction with two off-axis parabolic mirrors and injected into the plasma as a sheet beam for the multi-channel measurement (>5 ch.). Passing through the plasma, the beam is reflected at a retroreflector-array installed at the vacuum chamber wall. The retroreflector-array is a bunch of retroreflector structures, which can suppress the beam refraction caused by plasma without much space inside a vacuum chamber unlike a single retroreflector and can facilitate the system design. The source, detectors, and the retroreflector-array are tested to evaluate their basic performance on a tabletop experiment.
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Affiliation(s)
- S Ohshima
- Institute of Advanced Energy, Kyoto University, Kyoto 611-0011, Japan
| | - P Zhang
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - H Kume
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - C Deng
- University of California, Los Angeles, Los Angeles, California 90095-1594, USA
| | - A Miyashita
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - S Kobayashi
- Institute of Advanced Energy, Kyoto University, Kyoto 611-0011, Japan
| | - H Okada
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - T Minami
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - S Kado
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - P Adulsiriswad
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - D Qiu
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - M Luo
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - R Matoike
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - T Suzuki
- Graduate School of Energy Science, Kyoto University, Kyoto 611-0011, Japan
| | - S Konoshima
- Institute of Advanced Energy, Kyoto University, Kyoto 611-0011, Japan
| | - T Mizuuchi
- Institute of Advanced Energy, Kyoto University, Kyoto 611-0011, Japan
| | - K Nagasaki
- Institute of Advanced Energy, Kyoto University, Kyoto 611-0011, Japan
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Charlesworth M, Deng C. Pilot randomised controlled trial reporting should be focused: a reply. Anaesthesia 2020; 75:1551. [DOI: 10.1111/anae.15199] [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] [Accepted: 06/22/2020] [Indexed: 11/30/2022]
Affiliation(s)
| | - C. Deng
- Auckland City Hospital Auckland New Zealand
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22
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Ding Z, Deng C, Wang Z, Liu L, Ma X, Huang J, Wang X, Xuan M, Xie H. Comparison of contrast-enhanced ultrasound and contrast-enhanced computed tomography for the diagnosis of cervical lymph node metastasis in squamous cell carcinoma of the oral cavity. Int J Oral Maxillofac Surg 2020; 50:294-301. [PMID: 32739248 DOI: 10.1016/j.ijom.2020.07.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 04/29/2020] [Accepted: 07/09/2020] [Indexed: 02/08/2023]
Abstract
Early detection of cervical lymph node metastasis (CLNM) from squamous cell carcinoma (SCC) of the oral cavity remains challenging. This prospective study was performed to evaluate the ability of contrast-enhanced ultrasound (CEUS) to detect CLNM from oral cavity SCC. Additionally, its diagnostic value was compared with that of contrast-enhanced computed tomography (CECT). Forty-eight consecutive patients with SCC of the oral cavity were enrolled. All subjects were examined preoperatively with both CEUS and CECT. Subsequently, neck dissections were performed for these patients, and cervical lymph nodes separated from the surgical specimens were assessed histologically. The diagnostic performance of these two examinations was compared based on the results of histopathology. The sensitivity, specificity, accuracy, positive predictive value, negative predictive value, and Youden index for CEUS and CECT were 69.39% vs. 44.90%, 94.71% vs. 97.12%, 89.88%% vs. 87.16%, 75.56% vs. 78.57%, 92.92% vs. 88.21%, and 64.10% vs. 42.02%, respectively. A significant difference was observed in terms of sensitivity (P=0.024) and Youden index (rate difference 22.08%, 95% confidence interval 2.72-41.44%). Therefore, CEUS appears to be a promising diagnostic tool that is superior to CECT for detecting CLNM from SCC of the oral cavity, with a higher sensitivity.
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Affiliation(s)
- Z Ding
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, Department of Head and Neck Oncology Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - C Deng
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, Department of Head and Neck Oncology Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Z Wang
- Department of Ultrasound, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - L Liu
- Department of Radiology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - X Ma
- Department of Biotherapy, West China Hospital and State Key Laboratory of Biotherapy, Sichuan University, Chengdu, China
| | - J Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, Department of Head and Neck Oncology Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - X Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, Department of Head and Neck Oncology Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - M Xuan
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, Department of Head and Neck Oncology Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
| | - H Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, Department of Head and Neck Oncology Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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Yi R, Wang H, Deng C, Wang X, Yao L, Niu W, Fei M, Zhaba W. Dihydroartemisinin initiates ferroptosis in glioblastoma through GPX4 inhibition. Biosci Rep 2020; 40:BSR20193314. [PMID: 32452511 PMCID: PMC7313443 DOI: 10.1042/bsr20193314] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [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: 09/18/2019] [Revised: 03/30/2020] [Accepted: 05/15/2020] [Indexed: 12/22/2022] Open
Abstract
It has been demonstrated from previous studies about the killing effect of dihydroartemisinin (DHA) on glioblastoma, which involves multiple aspects: cytotoxicity, cell cycle arrest and invasion inhibition. DHA has the advantages of low cytotoxicity to normal cells, selective killing effect and low drug resistance, making it one of the popular anti-tumor research directions. Ferroptosis is a newly discovered form of cell death characterized by iron dependence and lipid reactive oxygen species (ROS) accumulation. In the present study, we found differences in the expression of transferrin receptors in normal human astrocytes (NHA) and glioblastoma cells (U87 and A172), which may be one of the mechanisms of DHA selective killing effect. Through the determination of ferroptosis-related protein expression, we found that the significant decrease of GPX4, accompanied by the constant expression of xCT and ACSL4, suggesting GPX4 was a pivotal target for DHA-activated ferroptosis in glioblastoma. Total and lipid ROS levels were increased and all these results could be reversed by the ferroptosis inhibitor, ferrostatin-1. These findings demonstrated ferroptosis would be a critical component of cell death caused by DHA and GPX4 was the main target. All these results provide a novel treatment direction to glioblastoma. The association between ferroptosis and polyamines is also discussed, which will provide new research directions for ferroptosis caused by DHA in glioblastoma.
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Affiliation(s)
- Renxin Yi
- Department of Neurosurgery, Jinling Hospital, Southeast University, School of Medicine, Nanjing 210002, P.R. China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, Nanjing University, School of Medicine, Nanjing 210002, P.R. China
| | - Chulei Deng
- Department of Neurosurgery, Jinling Hospital, South Medical University, School of Medicine, Nanjing 210002, P.R. China
| | - Xinyue Wang
- State Key Laboratory of Bioelectronics, Jiangsu Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210002, P.R. China
| | - Lei Yao
- Department of Neurosurgery, Jinling Hospital, Southeast University, School of Medicine, Nanjing 210002, P.R. China
| | - Wenhao Niu
- Department of Neurosurgery, Jinling Hospital, Southeast University, School of Medicine, Nanjing 210002, P.R. China
| | - Maoxing Fei
- Department of Neurosurgery, Jinling Hospital, Nanjing Medical University, School of Medicine, Nanjing 210002, P.R. China
| | - Wangdui Zhaba
- Department of Neurosurgery, Jinling Hospital, Nanjing University, School of Medicine, Nanjing 210002, P.R. China
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Xiang L, Qi F, Jiang L, Tan J, Deng C, Wei Z, Jin S, Huang G. CRISPR-dCas9-mediated knockdown of prtR, an essential gene in Pseudomonas aeruginosa. Lett Appl Microbiol 2020; 71:386-393. [PMID: 32506497 DOI: 10.1111/lam.13337] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 05/19/2020] [Accepted: 05/27/2020] [Indexed: 12/21/2022]
Abstract
Pseudomonas aeruginosa is a widely distributed non-fermentative Gram-negative opportunistic pathogen that is often responsible for nosocomial infections. Gene interference is a potentially valuable tool for investigating essential genes in P. aeruginosa. To establish a gene interference platform in P. aeruginosa, CRISPR system was used with an inactive Cas9 protein. The CRISPR-dCas9 system was cloned into pHERD20T, a shuttle vector with arabinose inducible promoter, and was further modified to target a regulatory gene prtR that is essential for the viability of P. aeruginosa. Cells expressing the prtR-targeting CRISPR interference (CRISPRi) showed growth defect in an arabinose dose-dependent manner. A high-throughput RNA sequencing analysis of bacterial cells with or without the CRISPRi-mediated prtR inhibition indicated that prtRis a global regulator affecting multiple biological processes. In conclusion, the CRISPR-dCas9-based gene knockdown system has been successfully implemented in P. aeruginosa and demonstrated to be an effective tool in the investigation of essential or difficult-to-inactivate genes in this species.
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Affiliation(s)
- L Xiang
- Department of Laboratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - F Qi
- Department of Plastic and Burn Surgery, The Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - L Jiang
- Department of Plastic and Burn Surgery, The Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - J Tan
- Department of Plastic and Burn Surgery, The Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - C Deng
- Department of Plastic and Burn Surgery, The Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Z Wei
- Department of Plastic and Burn Surgery, The Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - S Jin
- Department of Molecular Genetics and Microbiology, College of Medicine, University of Florida, Gainesville, FL, USA
| | - G Huang
- Department of Plastic and Burn Surgery, The Affiliated Hospital of Zunyi Medical University, Zunyi, China
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Deng C, Ren BY, Huang XP, Tan JJ, Wu JJ, Wang W, Zhu C. Role of lymphocyte subsets and IL-17 in non-small cell lung cancer. J BIOL REG HOMEOS AG 2020; 34:319-326. [PMID: 32431141 DOI: 10.23812/19-449-16-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- C Deng
- Department of Oncology, Chongqing Three Gorges Central Hospital, Wanzhou District, Chongqing, China
| | - B Y Ren
- Department of Oncology, Chongqing Three Gorges Central Hospital, Wanzhou District, Chongqing, China
| | - X P Huang
- Department of Oncology, Chongqing Three Gorges Central Hospital, Wanzhou District, Chongqing, China
| | - J J Tan
- Department of Oncology, Chongqing Three Gorges Central Hospital, Wanzhou District, Chongqing, China
| | - J J Wu
- Department of Oncology, Chongqing Three Gorges Central Hospital, Wanzhou District, Chongqing, China
| | - W Wang
- Department of Oncology, Chongqing Three Gorges Central Hospital, Wanzhou District, Chongqing, China
| | - C Zhu
- Department of Oncology, Chongqing Three Gorges Central Hospital, Wanzhou District, Chongqing, China
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26
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Fei M, Wang H, Zhou M, Deng C, Zhang L, Han Y. Podoplanin influences the inflammatory phenotypes and mobility of microglia in traumatic brain injury. Biochem Biophys Res Commun 2019; 523:361-367. [PMID: 31866008 DOI: 10.1016/j.bbrc.2019.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 12/01/2019] [Indexed: 01/15/2023]
Abstract
Traumatic brain injury (TBI) represents a major cause of death and disability worldwide. Exacerbated neuroinflammation following TBI causes secondary injury. Podoplanin (PDPN) is a small transmembrane mucin-like glycoprotein that promotes the inflammatory response in different tissues and cells. However, the contribution of PDPN to neuroinflammation and microglial activation is unknown. Here, we found that PDPN was correlated with microglial activation after TBI in mice. Meanwhile, PDPN expression could be induced by trauma-related stimuli, such as lipopolysaccharide (LPS), ATP, H2O2 and hemoglobin (Hb), in primary microglia. Furthermore, with Hb treatment in vitro, knockdown of PDPN could decrease the proportion of M1-like microglia and increase the proportion of M2-like microglia via reduced secretion of IL-1β and TNF-α and increased secretion of IL-10 and TGF-β compared to the control microglia. Immunofluorescence also showed that CD86-positive microglia were decreased and CD206-positive microglia were elevated in the PDPN-KD group. Additionally, PDPN knockdown impaired microglial mobility and phagocytosis and decreased the expression of matrix metalloproteinases (mainly MMP2 and MMP9). In summary, PDPN plays an important role in microglia-mediated inflammation and may serve as a potential target for TBI treatment.
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Affiliation(s)
- Maoxing Fei
- Department of Neurosurgery, Jinling Hospital, Nanjing Medical University, Nanjing, 210002, PR China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, Nanjing Medical University, Nanjing, 210002, PR China; Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, PR China.
| | - Mengliang Zhou
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, PR China.
| | - Chulei Deng
- Department of Neurosurgery, Jinling Hospital, Southern Medical University, Guangzhou, 510000, PR China
| | - Li Zhang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, PR China
| | - Yanling Han
- Department of Neurosurgery, Jinling Hospital, Nanjing, 210002, PR China
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Deng C, Campbell D, Diprose W, Eom C, Wang K, Robertson N, Short TG, Brew S, Caldwell J, McGuinness B, Barber PA. A pilot randomised controlled trial of the management of systolic blood pressure during endovascular thrombectomy for acute ischaemic stroke. Anaesthesia 2019; 75:739-746. [DOI: 10.1111/anae.14940] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/04/2019] [Indexed: 01/03/2023]
Affiliation(s)
- C. Deng
- Department of Anaesthesia and Peri‐operative Medicine Auckland City Hospital Auckland New Zealand
| | - D. Campbell
- Department of Anaesthesia and Peri‐operative Medicine Auckland City Hospital Auckland New Zealand
| | - W. Diprose
- Department of Radiology Auckland City Hospital Auckland New Zealand
| | - C. Eom
- Department of Anaesthesia and Peri‐operative Medicine Auckland City Hospital Auckland New Zealand
| | - K. Wang
- Department of Anaesthesia and Peri‐operative Medicine Auckland City Hospital Auckland New Zealand
| | - N. Robertson
- Department of Anaesthesia and Peri‐operative Medicine Auckland City Hospital Auckland New Zealand
| | - T. G. Short
- Department of Anaesthesia and Peri‐operative Medicine Auckland City Hospital Auckland New Zealand
| | - S. Brew
- Department of Radiology Auckland City Hospital Auckland New Zealand
| | - J. Caldwell
- Department of Radiology Auckland City Hospital Auckland New Zealand
| | - B. McGuinness
- Department of Radiology Auckland City Hospital Auckland New Zealand
| | - P. A. Barber
- Department of Medicine University of Auckland Auckland New Zealand
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28
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Shen Q, Xu X, Deng C. Factor structure of the Pittsburgh sleep quality index in Chinese adolescents. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.966] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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29
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Lin H, Ran W, Chen X, Wang B, Yang P, Li Y, Xiao Y, Wang X, Li G, Wang L, Han Y, Peng Y, Lang J, Liang Y, Tian G, Yuan D, Yang J, Deng C, Xing X. Whole-exome sequencing of tumour-only samples reveals the association between somatic alterations and clinical features in pancreatic cancer. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz431.012] [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: 11/13/2022] Open
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Deng C, Li QH, Yang LJ, Liang JJ, Mo YQ, Lin JZ, Zheng DH, Dai L. [Characteristics and clinical significance of body composition in gout patients]. Zhonghua Nei Ke Za Zhi 2019; 58:751-757. [PMID: 31594173 DOI: 10.3760/cma.j.issn.0578-1426.2019.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the characteristics of body composition (BC) in gout patients and its clinical significance. Methods: Consecutive gout patients were recruited between August 2017 and December 2018. Demographic information, clinical characteristics and comorbidities were collected. BC was assessed by bioelectric impedance analysis including body fat percentage (BF%), trunk and limb BF%, appendicular skeletal muscle index. Overfat was defined by BF% ≥25% for male and ≥35% for female. The association between BC and serum uric acid (sUA) was evaluated by multiple linear regression. Results: A total of 362 gout patients were recruited with median age 38 (30, 52) years, 96.1% (348/362) were male. Mean sUA was (551±133) μmol/L. The mean BF% was (25.8±6.4)% with 53.6%(194/362) patients overfat. Male gout patients with overfat showed more affected joints [4(2, 6) vs. 2(2, 5)], higher sUA [(576±126)μmol/L vs. (523±134) μmol/L], higher prevalence of dyslipidemia [70.1%(131/187) vs. 54.0%(87/161)], metabolic syndrome [60.8%(118/187) vs. 28.0%(47/161)], fatty liver [58.2%(113/187) vs. 35.1%(59/161)] and hypertension [44.4%(83/187) vs. 25.5%(41/161)] than male patients with normal fat (all P<0.05). Their BF%, trunk BF% and limb BF% were positively correlated with the numbers of affected joints, sUA, metabolic syndrome, fatty liver, and hypertension, respectively (r=0.154-0.435, all P<0.05). Multivariable linear regression suggested that BF% (β=4.29, P=0.020) and trunk BF% (β=9.11, P=0.007), but not limb BF%, were positively correlated with sUA. Conclusion: Overfat is very common in gout patients. The proportion of trunk fat in male patients is positively correlated with sUA. When assessing obesity in gout patients clinically, body composition analysis should be performed simultaneously.
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Affiliation(s)
- C Deng
- Department of Rheumatology and Immunology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
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Deng C, Xie R, Banfield C, Gupta P, Feeney C, Rojo R, Peterson M. 170 Forecasting Phase 3 Dose-Response for Abrocitinib, an Oral Janus Kinase 1 Selective Inhibitor, Using Investigator’s Global Assessment and Eczema Area and Severity Index. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.174] [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: 10/26/2022]
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Xiao L, Gong C, Ding Y, Ding G, Xu X, Deng C, Ze X, Malard P, Ben X. Probiotics maintain intestinal secretory immunoglobulin A levels in healthy formula-fed infants: a randomised, double-blind, placebo-controlled study. Benef Microbes 2019; 10:729-739. [PMID: 31965842 DOI: 10.3920/bm2019.0025] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [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: 11/19/2022]
Abstract
Formula-fed infants are more susceptible to infectious diseases because they lack the maternal immune factors transferred from breast milk, while their own immune system is still immature. As timely probiotic administration was suggested to promote immune system development in formula-fed infants, this study aimed at assessing the safety and the effects of a probiotic supplement (Bifidobacterium infantis R0033, Bifidobacterium bifidum R0071, and Lactobacillus helveticus R0052) on mucosal immune competence and digestive function in formula-fed infants. Healthy infants (3.5-6 months old) were randomised to receive either probiotic- (n=66) or placebo-supplemented (n=66) formula once a day for four weeks. In the probiotics group, faecal secretory immunoglobulin A (SIgA) levels remained similar between visit 2 (baseline; V2) and visit 3 (end-of-treatment; V3), but decreased in the placebo group. Changes in SIgA levels following treatment (log10ΔV3-V2 [95%CI]) between the probiotic and placebo groups were statistically significant (23 ng/dl [-57;102] and -137 ng/dl [-212;-62], respectively (P=0.0044; ANCOVA)). While log10ΔV3-V2 [95%CI] for salivary SIgA levels increased in both groups, this trend was more pronounced in the probiotics than in the placebo group with an increase of 123 ng/dl [9;236] and 37 ng/dL [-72;147], respectively (P=0.2829; ANCOVA). The weekly average number of stools/day was significantly higher in the probiotics group compared to placebo during the last week of treatment for the per protocol population. There was no difference in microbiota composition or anthropometric parameters between groups. No serious adverse event was reported, and all adverse events were mild and unrelated to the product or study. Our results show that formula-fed infants receiving probiotics maintained higher faecal SIgA levels at the end of the four-week treatment period, suggesting a positive effect of probiotics on SIgA production. This study demonstrates the safety of this probiotic formulation in infants. Formula-fed infants may benefit from probiotics supplementation to sustain the development of mucosal immunity.
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Affiliation(s)
- L Xiao
- Department of Neonatology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, China P.R
| | - C Gong
- Department of Pediatrics, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 201204, China P.R
| | - Y Ding
- Department of Neonatology, First People's Hospital of Zhangjiagang, Soochow University School of Medicine, Jiangsu 215600, China P.R
| | - G Ding
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200040, China P.R
| | - X Xu
- Lallemand Health Solutions Inc., 6100 Avenue Royalmount, Montreal, QC H4P 2R2, Canada
| | - C Deng
- Biostime (Guangzhou) Health Products Ltd., 187 Lianguang Rd, East District, Economic and Technological Development District Guangzhou, China P.R
| | - X Ze
- Biostime (Guangzhou) Health Products Ltd., 187 Lianguang Rd, East District, Economic and Technological Development District Guangzhou, China P.R
| | - P Malard
- Biostime (Guangzhou) Health Products Ltd., 187 Lianguang Rd, East District, Economic and Technological Development District Guangzhou, China P.R
| | - X Ben
- Department of Neonatology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, China P.R
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Falchi L, Lue J, Montanari F, Marchi E, Amengual J, Sawas A, Deng C, Khan K, Kim H, Rada A, Malanga M, Francescone M, Soderquist C, Park D, Bhagat G, Sokol L, Shustov A, O'Connor O. TARGETING THE PERIPHERAL T-CELL LYMPHOMA (PTCL) EPIGENOME WITH ORAL 5-AZACYTIDINE AND ROMIDEPSIN: RESULTS AND CLINICAL-MOLECULAR CORRELATIONS FROM A PHASE 2 STUDY. Hematol Oncol 2019. [DOI: 10.1002/hon.135_2629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- L. Falchi
- Medicine; Columbia University Medical Center; New York United States
| | - J.K. Lue
- Medicine; Columbia University Medical Center; New York United States
| | - F. Montanari
- Medicine; Columbia University Medical Center; New York United States
| | - E. Marchi
- Medicine; Columbia University Medical Center; New York United States
| | - J.E. Amengual
- Medicine; Columbia University Medical Center; New York United States
| | - A. Sawas
- Medicine; Columbia University Medical Center; New York United States
| | - C. Deng
- Medicine; Columbia University Medical Center; New York United States
| | - K. Khan
- Medicine; Columbia University Medical Center; New York United States
| | - H.A. Kim
- Medicine; Columbia University Medical Center; New York United States
| | - A. Rada
- Medicine; Columbia University Medical Center; New York United States
| | - M. Malanga
- Medicine; Columbia University Medical Center; New York United States
| | - M.F. Francescone
- Medicine; Columbia University Medical Center; New York United States
| | - C.R. Soderquist
- Medicine; Columbia University Medical Center; New York United States
| | - D.C. Park
- Medicine; Columbia University Medical Center; New York United States
| | - G. Bhagat
- Medicine; Columbia University Medical Center; New York United States
| | - L. Sokol
- Malignant Hematology; Moffitt Cancer Center/University of South Florida; Tampa United States
| | - A.R. Shustov
- Medicine; University of Washington School of Medicine; Seattle United States
| | - O.A. O'Connor
- Medicine; Columbia University Medical Center; New York United States
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Pal I, Sardinha A, Scotto L, Mundi P, O'Connor O, Deng C. UMBRALISIB AND CARFILZOMIB POTENTLY INHIBIT CAP DEPENDENT TRANSLATION IN LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.193_2631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- I. Pal
- Medicine / Center for Lymphoid Malignancies; Columbia University Irving Medical Center; New York United States
| | - A.G. Sardinha
- Medicine / Center for Lymphoid Malignancies; Columbia University Irving Medical Center; New York United States
| | - L. Scotto
- Medicine / Center for Lymphoid Malignancies; Columbia University Irving Medical Center; New York United States
| | - P.S. Mundi
- Medicine / Division of Medical Oncology; Columbia University Irving Medical Center; New York United States
| | - O.A. O'Connor
- Medicine / Center for Lymphoid Malignancies; Columbia University Irving Medical Center; New York United States
| | - C. Deng
- Medicine / Center for Lymphoid Malignancies; Columbia University Irving Medical Center; New York United States
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Deng C, Zhu D, Chen Y, Yang B, Rong Z. 933 TRAF4 promotes fibroblast proliferation in keloids by destabilizing p53 via interacting with the deubiquitinase USP10. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.1009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Pilkington SM, Tahir J, Hilario E, Gardiner SE, Chagné D, Catanach A, McCallum J, Jesson L, Fraser LG, McNeilage MA, Deng C, Crowhurst RN, Datson PM, Zhang Q. Genetic and cytological analyses reveal the recombination landscape of a partially differentiated plant sex chromosome in kiwifruit. BMC Plant Biol 2019; 19:172. [PMID: 31039740 PMCID: PMC6492441 DOI: 10.1186/s12870-019-1766-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [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: 11/26/2018] [Accepted: 04/08/2019] [Indexed: 05/10/2023]
Abstract
BACKGROUND Angiosperm sex chromosomes, where present, are generally recently evolved. The key step in initiating the development of sex chromosomes from autosomes is the establishment of a sex-determining locus within a region of non-recombination. To better understand early sex chromosome evolution, it is important to determine the process by which recombination is suppressed around the sex determining genes. We have used the dioecious angiosperm kiwifruit Actinidia chinensis var. chinensis, which has an active-Y sex chromosome system, to study recombination rates around the sex locus, to better understand key events in the development of sex chromosomes. RESULTS We have confirmed the sex-determining region (SDR) in A. chinensis var. chinensis, using a combination of high density genetic mapping and fluorescent in situ hybridisation (FISH) of Bacterial Artificial Chromosomes (BACs) linked to the sex markers onto pachytene chromosomes. The SDR is a subtelomeric non-recombining region adjacent to the nucleolar organiser region (NOR). A region of restricted recombination of around 6 Mbp in size in both male and female maps spans the SDR and covers around a third of chromosome 25. CONCLUSIONS As recombination is suppressed over a similar region between X chromosomes and between and X and Y chromosomes, we propose that recombination is suppressed in this region because of the proximity of the NOR and the centromere, with both the NOR and centromere suppressing recombination, and this predates suppressed recombination due to differences between X and Y chromosomes. Such regions of suppressed recombination in the genome provide an opportunity for the evolution of sex chromosomes, if a sex-determining locus develops there or translocates into this region.
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Affiliation(s)
- S. M. Pilkington
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - J. Tahir
- PFR, Private Bag 11600, Palmerston North, 4442 New Zealand
| | - E. Hilario
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - S. E. Gardiner
- PFR, Private Bag 11600, Palmerston North, 4442 New Zealand
| | - D. Chagné
- PFR, Private Bag 11600, Palmerston North, 4442 New Zealand
| | - A. Catanach
- PFR, Private Bag 4704, Christchurch, 8140 New Zealand
| | - J. McCallum
- PFR, Private Bag 4704, Christchurch, 8140 New Zealand
| | - L. Jesson
- PFR, Private Bag 1401, Havelock North, 4157 New Zealand
| | - L. G. Fraser
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - M. A. McNeilage
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - C. Deng
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - R. N. Crowhurst
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - P. M. Datson
- The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 92169, Auckland, 1142 New Zealand
| | - Q. Zhang
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074 China
- The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, 430074 China
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Tan Q, Chen B, Wang Q, Xu W, Wang Y, Lin Z, Luo F, Huang S, Zhu Y, Su N, Jin M, Li C, Kuang L, Qi H, Ni Z, Wang Z, Luo X, Jiang W, Chen H, Chen S, Li F, Zhang B, Huang J, Zhang R, Jin K, Xu X, Deng C, Du X, Xie Y, Chen L. A novel FGFR1-binding peptide attenuates the degeneration of articular cartilage in adult mice. Osteoarthritis Cartilage 2018; 26:1733-1743. [PMID: 30201491 DOI: 10.1016/j.joca.2018.08.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 08/13/2018] [Accepted: 08/28/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE We previously reported that genetic ablation of (Fibroblast Growth Factors Receptors) FGFR1 in knee cartilage attenuates the degeneration of articular cartilage in adult mice, which suggests that FGFR1 is a potential targeting molecule for osteoarthritis (OA). Here, we identified R1-P1, an inhibitory peptide for FGFR1 and investigated its effect on the pathogenesis of OA in mice induced by destabilization of medial meniscus (DMM). DESIGN Binding ability between R1-P1 and FGFR1 protein was evaluated by enzyme-linked immuno sorbent assay (ELISA) and molecular docking. Alterations in cartilage were evaluated histologically. The expression levels of molecules associated with articular cartilage homeostasis and FGFR1 signaling were analyzed by quantitative real-time polymerase chain reaction (qRT-PCR), Western blotting and immunohistochemistry (IHC). The chondrocyte apoptosis was detected by terminal-deoxynucleoitidyl transferase mediated nick end labeling (TUNEL) assay. RESULTS R1-P1 had highly binding affinities to human FGFR1 protein, and efficiently inhibited extracellular signal-regulated kinase (ERK)1/2 pathway in mouse primary chondrocytes. In addition, R1-P1 attenuated the IL-1β induced significant loss of proteoglycan in full-thickness cartilage tissue from human femur head. Moreover, this peptide can significantly restore the IL-1β mediated loss of proteoglycan and type II collagen (Col II) and attenuate the expression of matrix metalloproteinase-13 (MMP13) in mouse primary chondrocytes. Finally, intra-articular injection of R1-P1 remarkably attenuated the loss of proteoglycan and the destruction of articular cartilage and decreased the expressions of extracellular matrix (ECM) degrading enzymes and apoptosis in articular chondrocytes of mice underwent DMM surgery. CONCLUSIONS R1-P1, a novel inhibitory peptide for FGFR1, attenuates the degeneration of articular cartilage in adult mice, which is a potential leading molecule for the treatment of OA.
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MESH Headings
- Animals
- Apoptosis/drug effects
- Arthritis, Experimental/metabolism
- Arthritis, Experimental/pathology
- Arthritis, Experimental/prevention & control
- Cartilage, Articular/drug effects
- Cartilage, Articular/metabolism
- Cartilage, Articular/pathology
- Cells, Cultured
- Chondrocytes/drug effects
- Chondrocytes/pathology
- Drug Evaluation, Preclinical/methods
- Extracellular Matrix/drug effects
- Extracellular Matrix/pathology
- Humans
- MAP Kinase Signaling System/drug effects
- Male
- Mice, Inbred C57BL
- Oligopeptides/pharmacology
- Oligopeptides/therapeutic use
- Osteoarthritis/metabolism
- Osteoarthritis/pathology
- Osteoarthritis/prevention & control
- Proteoglycans/metabolism
- Receptor, Fibroblast Growth Factor, Type 1/antagonists & inhibitors
- Receptor, Fibroblast Growth Factor, Type 1/metabolism
- Tissue Culture Techniques
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Affiliation(s)
- Q Tan
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - B Chen
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Q Wang
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - W Xu
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Y Wang
- College of Bioengineering, Chongqing Institute of Technology, Chongqing 400050, China
| | - Z Lin
- College of Bioengineering, Chongqing Institute of Technology, Chongqing 400050, China
| | - F Luo
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - S Huang
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Y Zhu
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - N Su
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - M Jin
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - C Li
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - L Kuang
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - H Qi
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Z Ni
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Z Wang
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - X Luo
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - W Jiang
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - H Chen
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - S Chen
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - F Li
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - B Zhang
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - J Huang
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - R Zhang
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - K Jin
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - X Xu
- Faculty of Health Sciences, University of Macau, Macau SAR 00853, China
| | - C Deng
- Faculty of Health Sciences, University of Macau, Macau SAR 00853, China
| | - X Du
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China.
| | - Y Xie
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China.
| | - L Chen
- Department of Rehabilitation Medicine, Laboratory for the Rehabilitation of Traumatic Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China.
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Harris R, Sato Y, Berkley AJ, Reis M, Altomare F, Amin MH, Boothby K, Bunyk P, Deng C, Enderud C, Huang S, Hoskinson E, Johnson MW, Ladizinsky E, Ladizinsky N, Lanting T, Li R, Medina T, Molavi R, Neufeld R, Oh T, Pavlov I, Perminov I, Poulin-Lamarre G, Rich C, Smirnov A, Swenson L, Tsai N, Volkmann M, Whittaker J, Yao J. Phase transitions in a programmable quantum spin glass simulator. Science 2018; 361:162-165. [PMID: 30002250 DOI: 10.1126/science.aat2025] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 05/15/2018] [Indexed: 11/02/2022]
Abstract
Understanding magnetic phases in quantum mechanical systems is one of the essential goals in condensed matter physics, and the advent of prototype quantum simulation hardware has provided new tools for experimentally probing such systems. We report on the experimental realization of a quantum simulation of interacting Ising spins on three-dimensional cubic lattices up to dimensions 8 × 8 × 8 on a D-Wave processor (D-Wave Systems, Burnaby, Canada). The ability to control and read out the state of individual spins provides direct access to several order parameters, which we used to determine the lattice's magnetic phases as well as critical disorder and one of its universal exponents. By tuning the degree of disorder and effective transverse magnetic field, we observed phase transitions between a paramagnetic, an antiferromagnetic, and a spin-glass phase.
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Affiliation(s)
- R Harris
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada.
| | - Y Sato
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - A J Berkley
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - M Reis
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - F Altomare
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - M H Amin
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada.,Department of Physics, Simon Fraser University, Burnaby, BC V5A 1S6, Canada
| | - K Boothby
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - P Bunyk
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - C Deng
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - C Enderud
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - S Huang
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - E Hoskinson
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - M W Johnson
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - E Ladizinsky
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - N Ladizinsky
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - T Lanting
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - R Li
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - T Medina
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - R Molavi
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada.,Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - R Neufeld
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - T Oh
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - I Pavlov
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - I Perminov
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | | | - C Rich
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - A Smirnov
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - L Swenson
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - N Tsai
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - M Volkmann
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - J Whittaker
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
| | - J Yao
- D-Wave Systems, 3033 Beta Avenue, Burnaby, BC V5G 4M9, Canada
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39
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Deng C, Li T, Xie Y, Cai M, Liang X, Liu G. The attractive effect of DNA fragmentation index on assisted reproductive treatment outcome: a large sample size and well-controlled retrospective study. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.280] [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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40
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Thangaraj K, Deng C, Cheng LL, Deng WW, Zhang ZZ. Report of Phoma herbarum Causing Leaf Spot Disease of Camellia sinensis in China. Plant Dis 2018; 102:PDIS01180121PDN. [PMID: 30156962 DOI: 10.1094/pdis-01-18-0121-pdn] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Affiliation(s)
- K Thangaraj
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China
| | - C Deng
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China
| | - L-L Cheng
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China
| | - W-W Deng
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China
| | - Z-Z Zhang
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China
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41
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Zhang Y, Zhou M, Xia K, Feng X, Gao Y, Wan Z, Han D, Deng C. 321 Pericytes in the corpora cavernosa has relationship with endothelial function in hyperlipidemia-associated ED mice. J Sex Med 2018. [DOI: 10.1016/j.jsxm.2018.04.284] [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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42
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Zhang Y, Zheng T, Xia K, Yang Q, Zhou M, Tu X, Sun X, Deng C. 021 Potential role of 5-HT serotonin system in the rat spinal cord of premature ejaculation with category III prostatitis. J Sex Med 2018. [DOI: 10.1016/j.jsxm.2018.04.025] [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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43
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Deng C, Ni WD, Guo SQ, Luo G, Shui W, Qiao B. [Operative treatment of delayed acetabular fractures through combined anterior and Kocher-Langenbeck approaches]. Zhonghua Wai Ke Za Zhi 2018. [PMID: 29534413 DOI: 10.3760/cma.j.issn.0529-5815.2018.03.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To discuss the clinical outcomes of treating delayed acetabular fractures by combined anterior and posterior approach. Methods: A retrospective analysis was conducted of 31 delayed acetabular fractures from February 2012 to February 2017 in the First Affiliated Hospital of Chongqing Medical University, including 18 males and 13 females with age of 48.5 years(23 to 67 years) .The injury to the operation time was 35.9 days(22 to 183 days). Of these 31 cases, there were 6 cases of transverse and posterior wall fracture, 8 cases with anterior column+ posterior half transverse fracture, 12 cases with double column fracture and 5 cases of "T" type fracture according to Letournel-Judet classification.All fractures were treated combined anterior and Kocher-Langenbeck approaches, including 13 cases of ilioinguinal approach+ Kocher-Langenbeck(K-L approach), 4 cases of extensile acetabular approach, 7 cases of stoppa approach + K-L approach and 7 cases of side rectus femoris approach.Correlation was analyzed by Pearson correlation regression testing. Results: Follow up to August 2017, all patients were followed up with 36.0 months(from 6 to 55 months). As calculated, the restorational effect was positively with result of the X-ray film and the clinical effect(r=0.823, 0.856; both P<0.05). The evaluation was conducted with Matta's reduction criteria: there were 11 cases classified as anatomic reduction(35.5%), 13 cases as satisfactory reduction(41.9%), and 7 cases as unsatisfactory reduction(22.6%). Excellent and good rate was 77.4%. Functional reductions were categorized by the standard of Matta hip score: 8 excellent cases(25.8%), 11 good cases(35.5%), 8 fail cases(25.8%), and 4 poor cases(12.9%). Conclusion: The treatment of delayed acetabular fracture by combined anterior and posterior approach can fully exposure the anterior and posterior acetabular fcloumns, which is beneficial to the release and fixation of the old acetabular fractures.
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Affiliation(s)
- C Deng
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
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Gates DA, Anderson D, Anderson S, Zarnstorff M, Spong DA, Weitzner H, Neilson GH, Ruzic D, Andruczyk D, Harris JH, Mynick H, Hegna CC, Schmitz O, Talmadge JN, Curreli D, Maurer D, Boozer AH, Knowlton S, Allain JP, Ennis D, Wurden G, Reiman A, Lore JD, Landreman M, Freidberg JP, Hudson SR, Porkolab M, Demers D, Terry J, Edlund E, Lazerson SA, Pablant N, Fonck R, Volpe F, Canik J, Granetz R, Ware A, Hanson JD, Kumar S, Deng C, Likin K, Cerfon A, Ram A, Hassam A, Prager S, Paz-Soldan C, Pueschel MJ, Joseph I, Glasser AH. Stellarator Research Opportunities: A Report of the National Stellarator Coordinating Committee. J Fusion Energ 2018. [DOI: 10.1007/s10894-018-0152-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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45
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Deng C, Waagepetersen R, Wang M, Guan Y. A fast spectral quasi-likelihood approach for spatial point processes. Stat Probab Lett 2018. [DOI: 10.1016/j.spl.2017.09.016] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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46
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Fiuza C, Aramfard M, Deng C, França R. Mechanical characterization of lithium-disilicate glass-ceramics by nanoindentation. Dent Mater 2018. [DOI: 10.1016/j.dental.2018.08.106] [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: 10/28/2022]
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47
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Deng C, Li T, Xie Y, Guo Y, Yang Q, Liang X, Deng C, Liu G. Sperm DNA fragmentation index influences assisted reproductive technology outcome: a global systemic review and thorough meta-analysis. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.247] [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: 10/18/2022]
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48
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O'Connor O, Lue J, Amengual J, Sawas A, Deng C, Lichtenstein E, Khan K, Kim H, Atkins L, Rada A, Rojas C, Cremers S. ORAL AZACYTIDINE (AZA) AND ROMIDEPSIN (R) REVEALS PROMISING ACTIVITY IN PATIENTS WITH RELAPSED OR REFRACTORY (R/R) PERIPHERAL T-CELL LYMPHOMA (PTCL). Hematol Oncol 2017. [DOI: 10.1002/hon.2438_147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- O.A. O'Connor
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - J.K. Lue
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - J.E. Amengual
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - A. Sawas
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - C. Deng
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - E. Lichtenstein
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - K. Khan
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - H. Kim
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - L. Atkins
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - A. Rada
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - C. Rojas
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - S. Cremers
- Pathology&Cell Biology; Columbia University Medical Center; New York USA
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49
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Amengual J, Lichtenstein R, Lue J, Sawas A, Deng C, Lichtenstein E, Khan K, Kim H, Atkins L, Turenne I, Rojas C, Chiuzan C, Cremers S, O'Connor O. A PHASE 1 STUDY OF PRALATREXATE PLUS ROMIDEPSIN REVEALS MARKED ACTIVITY IN PATIENTS WITH RELAPSED OR REFRACTORY (R/R) PERIPHERAL T-CELL LYMPHOMA (PTCL). Hematol Oncol 2017. [DOI: 10.1002/hon.2437_75] [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)
- J.E. Amengual
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - R. Lichtenstein
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - J.K. Lue
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - A. Sawas
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - C. Deng
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - E. Lichtenstein
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - K. Khan
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - H. Kim
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - L. Atkins
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - I. Turenne
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - C. Rojas
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
| | - C. Chiuzan
- Biostatistics; Columbia University Mailman School of Public Health; New York USA
| | - S. Cremers
- Department of Pathology and Cell Biology; Columbia University Medical Center; New York USA
| | - O.A. O'Connor
- Center for Lymphoid Malignancies; Columbia University Medical Center; New York USA
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50
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Anderson DT, Abdou A, Almagri AF, Anderson FSB, Canik JM, Guttenfelder W, Lechte C, Likin KM, Lu H, Oh S, Probert PH, Radder J, Sakaguchi V, Schmitt J, Talmadge JN, Zhai K, Brower DL, Deng C. Overview of Recent Results from HSX. Fusion Science and Technology 2017. [DOI: 10.13182/fst06-a1232] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- D. T. Anderson
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - A. Abdou
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - A. F. Almagri
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - F. S. B. Anderson
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - J. M. Canik
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - W. Guttenfelder
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - C. Lechte
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - K. M. Likin
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - H. Lu
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - S. Oh
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - P. H. Probert
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - J. Radder
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - V. Sakaguchi
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - J. Schmitt
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - J. N. Talmadge
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - K. Zhai
- University of Wisconsin-Madison HSX Plasma Laboratory, 1415 Engineering Drive, Madison, Wisconsin 53706
| | - D. L. Brower
- University of California-Los Angeles, Electrical Engineering Department 66-127J Engineering IV Building, Los Angeles, California 90095-1594
| | - C. Deng
- University of California-Los Angeles, Electrical Engineering Department 66-127J Engineering IV Building, Los Angeles, California 90095-1594
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