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Ding Z, Shang T, Ding Z, Yang X, Qi J, Qin X, Chen Y, Lv D, Li T, Ma J, Zhan C, Xiao J, Sun Z, Wang N, Yu Z, Li C, Li P. Two multimodal neuroimaging subtypes of obsessive-compulsive disorder disclosed by semi-supervised machine learning. J Affect Disord 2024; 354:293-301. [PMID: 38494136 DOI: 10.1016/j.jad.2024.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 02/25/2024] [Accepted: 03/04/2024] [Indexed: 03/19/2024]
Abstract
BACKGROUND Obsessive-compulsive disorder (OCD) is a highly heterogeneous mental condition with a diverse symptom. Existing studies classified OCD on the basis of conventional phenomenology-based taxonomy ignoring the fact that the same subtype identified in accordance with clinical symptom may have different mechanisms and treatment responses. METHODS This research involved 50 medicine-free patients with OCD and 50 matched healthy controls (HCs). All the participants were subjected to structural and functional magnetic resonance imaging (MRI). Voxel-based morphometry (VBM) and amplitude of low frequency fluctuation (ALFF) were used to evaluate gray matter volume (GMV) and spontaneous neuronal activities at rest respectively. Similarity network fusion (SNF) was utilized to integrate GMVs and spontaneous neuronal activities, and heterogeneity by discriminant analysis was applied to characterise OCD subtypes. RESULTS Two OCD subtypes were identified: Subtype 1 exhibited decreased GMVs (i.e., left inferior temporal gyrus, right supplementary motor area and right lingual gyrus) and increased ALFF value (i.e., right orbitofrontal cortex), whereas subtype 2 exhibited increased GMVs (i.e., left cuneus, right precentral gyrus, left postcentral gyrus and left hippocampus) and decreased ALFF value (i.e., right caudate nucleus). Furthermore, the altered GMVs was negatively correlated with abnormal ALFF values in both subtype 1 and 2. LIMITATIONS This study requires further validation via a larger, independent dataset and should consider the potential influences of psychotropic medication on OCD patients' brain activities. CONCLUSIONS Results revealed two reproducible subtypes of OCD based on underlying multimodal neuroimaging and provided new perspectives on the classification of OCD.
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Affiliation(s)
- Zhipeng Ding
- Medical Technology Department, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Tinghuizi Shang
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Zhenning Ding
- Medical Technology Department, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Xu Yang
- Medical Technology Department, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Jiale Qi
- Medical Technology Department, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Xiaoqing Qin
- Medical Technology Department, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Yunhui Chen
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Dan Lv
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Tong Li
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Jidong Ma
- Department of Psychiatry, Baiyupao Psychiatric Hospital of Harbin, Harbin, Heilongjiang 150050, China
| | - Chuang Zhan
- Department of Psychiatry, Baiyupao Psychiatric Hospital of Harbin, Harbin, Heilongjiang 150050, China
| | - Jian Xiao
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Zhenghai Sun
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Na Wang
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Zengyan Yu
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Chengchong Li
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China.
| | - Ping Li
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China.
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Ding Z, Su W, Ye L, Zhou Y, Li W, Zou J, Tang B, Yao H. Thermal controlled multi-functional metasurface for freely switching of absorption, reflection, and transmission. Phys Chem Chem Phys 2024; 26:8460-8468. [PMID: 38410887 DOI: 10.1039/d3cp05689a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Metasurfaces have garnered significant attention in recent years due to their substantial electromagnetic (EM) wave manipulation capabilities. However, most previously documented metasurfaces have been limited to controlling just a single EM wave mode, encompassing transmission, reflection, or absorption. Such limitations have impeded the broader applications of metasurfaces. To address this issue, this study introduces a multi-functional metasurface (MFM) in the utilization of Ge2Sb2Te5 (GST), vanadium dioxide (VO2), and graphene. This novel design enables real-time control over the transmission, absorption, and reflection of EM waves as necessitated through thermal control, allowing for seamless transitions from complete transmission to complete reflection. Furthermore, this configuration achieves extensive broadband perfect absorption, spanning up to 1.83 THz. The optical response mechanism of this MFM across distinct operational modes is meticulously analyzed through electric field distribution. Remarkably, this proposed MFM exhibits polarization insensitivity and maintains good optical performance even under conditions of wide-angle incidence. With the ability to switch to different operating modes according to the needs of different environments, the proposed MFM has the potential to be used in a wide range of scenarios, including radar stealth, wireless communications, and military search.
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Affiliation(s)
- Zhipeng Ding
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 211100, China.
| | - Wei Su
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 211100, China.
| | - Lipengan Ye
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 211100, China.
| | - Yuanhang Zhou
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 211100, China.
| | - Wenlong Li
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 211100, China.
| | - Jianfei Zou
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 211100, China.
| | - Bin Tang
- School of Microelectronics and Control Engineering, Changzhou University, Changzhou 213164, China
| | - Hongbing Yao
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 211100, China.
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Ding Z, Su W, Luo Y, Ye L, Li W, Zhou Y, Zou J, Tang B, Yao H. Metasurface inverse designed by deep learning for quasi-entire terahertz wave absorption. Nanoscale 2024; 16:1384-1393. [PMID: 38164990 DOI: 10.1039/d3nr04974d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Ultra-broadband and efficient terahertz (THz) absorption is of paramount importance for the development of high-performance detectors. These detectors find applications in next-generation wireless communications, military radar systems, security detection, medical imaging, and various other domains. In this study, we present an ultra-wideband THz wave metasurface absorber (UTWMA) featuring a composite surface microstructure and a multilayer absorbing material (graphene). This UTWMA demonstrates remarkable capabilities by achieving highly efficient absorption levels, reaching 96.33%, within the 0.5-10 THz frequency range. To enhance the efficiency and precision of the design process, we have incorporated artificial neural networks, which enable rapid and accurate parameter selection. Moreover, we have conducted a comprehensive analysis of the absorption mechanism exhibited by the UTWMA at different frequencies. This analysis combines insights from the electric field distribution and effective medium theory. The findings presented in this paper are expected to catalyze further research in the domain of broadband THz technology, particularly in the context of metasurfaces and related fields. Additionally, this work paves the way for the development of compact, supercontinuous THz photovoltaic or photothermal electrical devices.
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Affiliation(s)
- Zhipeng Ding
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 210098, China.
| | - Wei Su
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 210098, China.
| | - Yinlong Luo
- College of Mechanical and Electrical Engineering, Hohai University, Changzhou, 213200, China
| | - Lipengan Ye
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 210098, China.
| | - Wenlong Li
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 210098, China.
| | - Yuanhang Zhou
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 210098, China.
| | - Jianfei Zou
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 210098, China.
| | - Bin Tang
- School of Microelectronics and Control Engineering, Changzhou University, Changzhou 213164, China
| | - Hongbing Yao
- College of Mechanics and Engineering Science, Hohai University, Nanjing, 210098, China.
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Wang Z, Wu C, Liu J, Hu S, Yu J, Yin Q, Tian H, Ding Z, Qi G, Wang L, Hao L. Aptamer-mediated hollow MnO 2 for targeting the delivery of sorafenib. Drug Deliv 2023; 30:28-39. [DOI: 10.1080/10717544.2022.2149897] [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: 12/03/2022] Open
Affiliation(s)
- Ziyue Wang
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Cuicui Wu
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Jinren Liu
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Shunxin Hu
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Junli Yu
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Qiangqiamg Yin
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Hongda Tian
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Zhipeng Ding
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Guiqiang Qi
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
| | - Li Wang
- Department of Personnel, the Third Affiliated Hospital of Qiqihar Medical University, Qiqihar, China
| | - Liguo Hao
- Department of Molecular Imaging, School of Medical Technology, Qiqihar Medical University, Qiqihar, China
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Li W, Yao H, Ding Z, Zhou Y, Wei P, Yue J, Su W, Zhu W. Cavitation Erosion Prevention Using Laser Shock Peening: Development of a Predictive Evaluation System. Materials (Basel) 2023; 16:5096. [PMID: 37512368 PMCID: PMC10383491 DOI: 10.3390/ma16145096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/15/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023]
Abstract
Marine flow-passing components are susceptible to cavitation erosion (CE), and researchers have worked to find ways to reduce its effects. Laser Shock Peening (LSP), a material strengthening method, has been widely used in aerospace and other cutting-edge fields. In recent years, LSP has been used in cavitation resistance research. However, the current LSP research does not realize a comprehensive predictive assessment of the material's CE resistance. This paper uses m stresses to develop a comprehensive set of strengthening effect prediction models from LSP to CE using finite element analysis (FEA). Results show that the LSP-1 sample (4 mm spot, 10 J energy) introduced a compressive residual stress value of 37.4 MPa, better than that of 16.6 MPa with the LSP-2 sample (6 mm spot, 10 J energy), which is generally consistent with the experimental findings; the model predicts a 16.35% improvement in the resistance of LSP-1 sample to water jet damage, which is comparable to the experimental result of 14.02%; additionally, interactions between micro-jets do not predominate the cavitation erosion process and the final CE effect of the material is mainly due to the accumulation of jet-material interaction.
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Affiliation(s)
- Wenlong Li
- College of Science, Hohai University, Nanjing 211100, China
| | - Hongbing Yao
- College of Science, Hohai University, Nanjing 211100, China
| | - Zhipeng Ding
- College of Science, Hohai University, Nanjing 211100, China
| | - Yuanhang Zhou
- College of Science, Hohai University, Nanjing 211100, China
| | - Pengyu Wei
- China Ship Scientific Research Center, Wuxi 214082, China
| | - Jiang Yue
- College of Science, Hohai University, Nanjing 211100, China
| | - Wei Su
- College of Science, Hohai University, Nanjing 211100, China
| | - Weihua Zhu
- College of Science, Hohai University, Nanjing 211100, China
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Abstract
Although the design of graphene-based tunable broadband terahertz (THz) absorbers has attracted much attention, improving the functionality of the absorbers to adapt to different scenarios is still worth studying. This paper presents an innovative design of a quad-functional metasurface absorber (QMA) in the THz region, which can switch the absorption frequency/band by means of dual voltage/thermal manipulation. By electrically manipulating the chemical potential of graphene, the QMA can switch freely between the narrowband absorption mode ("NAM") and the broadband absorption mode ("BAM"), while thermally manipulating the phase transition of VO2 allows switching between the low-frequency absorption mode ("LAM") and the high-frequency absorption mode ("HAM"). Detailed mechanistic analysis shows that the "NAM" and "BAM" are due to the switching of the fundamental and second order graphene surface plasmon polariton (SPP) resonances, respectively, and the switching between "LAM" and "HAM" is due to the phase transformation of VO2. Furthermore, the QMA is polarization insensitive in all absorption modes and maintains excellent absorption performance at large angular incidence of TE- and TM-polarized waves. All the results indicate that the proposed QMA has great potential for stealth, sensing, switching, and filtering applications.
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Affiliation(s)
- Zhipeng Ding
- College of Science, Hohai University, Nanjing, 211100, China.
| | - Wei Su
- College of Science, Hohai University, Nanjing, 211100, China.
| | - Lipengan Ye
- College of Science, Hohai University, Nanjing, 211100, China.
| | - Hong Wu
- School of Science, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China
| | - Hongbing Yao
- College of Science, Hohai University, Nanjing, 211100, China.
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7
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Zhang C, Wang X, Ding Z, Zhou H, Liu P, Xue X, Cao W, Zhu Y, Chen J, Shen W, Yang S, Wang F. [Electroencephalographic microstates in vestibular schwannoma patients with tinnitus]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:793-799. [PMID: 37313821 DOI: 10.12122/j.issn.1673-4254.2023.05.15] [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: 06/15/2023]
Abstract
OBJECTIVE To explore the biomarkers of tinnitus in vestibular schwannoma patients using electroencephalographic (EEG) microstate technology. METHODS The EEG and clinical data of 41 patients with vestibular schwannoma were collected. All the patients were evaluated by SAS, SDS, THI and VAS scales. The EEG acquisition time was 10-15 min, and the EEG data were preprocessed and analyzed using MATLAB and EEGLAB software package. RESULTS Of the 41 patients with vestibular schwannoma, 29 patients had tinnitus and 12 did not have tinnitus, and their clinical parameters were comparable. The average global explanation variances of the non-tinnitus and tinnitus groups were 78.8% and 80.1%, respectively. The results of EEG microstate analysis showed that compared with those without tinnitus, the patients with tinnitus had an increased frequency (P=0.033) and contribution (P=0.028) of microstate C. Correlation analysis showed that THI scale scores of the patients were negatively correlated with the duration of microstate A (R=-0.435, P=0.018) and positively with the frequencies of microstate B (R=0.456, P=0.013) and microstate C (R=0.412, P=0.026). Syntax analysis showed that the probability of transition from microstate C to microstate B increased significantly in vestibular schwannoma patients with tinnitus (P=0.031). CONCLUSION EEG microstate features differ significantly between vestibular schwannoma patients with and without tinnitus. This abnormality in patients with tinnitus may reflect the potential abnormality in the allocation of neural resources and the transition of brain functional activity.
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Affiliation(s)
- C Zhang
- The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- Medical School of Chinese PLA, Beijing 100853, China
| | - X Wang
- Medical School of Chinese PLA, Beijing 100853, China
| | - Z Ding
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - H Zhou
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - P Liu
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - X Xue
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - W Cao
- The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - Y Zhu
- The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - J Chen
- The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - W Shen
- The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - S Yang
- The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
| | - F Wang
- The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
- The Sixth Medical Center, Chinese PLA General Hospital, Beijing 100048, China
- National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China
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Ding Z, Ding Z, Chen Y, Lv D, Li T, Shang T, Ma J, Zhan C, Yang X, Xiao J, Sun Z, Wang N, Guo W, Li C, Yu Z, Li P. Decreased gray matter volume and dynamic functional alterations in medicine-free obsessive-compulsive disorder. BMC Psychiatry 2023; 23:289. [PMID: 37098479 PMCID: PMC10131325 DOI: 10.1186/s12888-023-04740-w] [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: 11/25/2022] [Accepted: 03/31/2023] [Indexed: 04/27/2023] Open
Abstract
BACKGROUND Previous studies discovered the presence of abnormal structures and functions in the brain regions of patients with obsessive-compulsive disorder (OCD). Nevertheless, whether structural changes in brain regions are coupled with alterations in dynamic functional connectivity (dFC) at rest in medicine-free patients with OCD remains vague. METHODS Three-dimensional T1-weighed magnetic resonance imaging (MRI) and resting-state functional MRI were performed on 50 medicine-free OCD and 50 healthy controls (HCs). Firstly, the differences in gray matter volume (GMV) between OCD and HCs were compared. Then, brain regions with aberrant GMV were used as seeds for dFC analysis. The relationship of altered GMV and dFC with clinical parameters in OCD was explored using partial correlation analysis. Finally, support vector machine was applied to examine whether altered multimodal imaging data might be adopted to distinguish OCD from HCs. RESULTS Our findings indicated that GMV in the left superior temporal gyrus (STG) and right supplementary motor area (SMA) was reduced in OCD, and the dFC between the left STG and the left cerebellum Crus I and left thalamus, and between the right SMA and right dorsolateral prefrontal cortex (DLPFC) and left precuneus was decreased at rest in OCD. The brain regions both with altered GMV and dFC values could discriminate OCD from HCs with the accuracy of 0.85, sensitivity of 0.90 and specificity of 0.80. CONCLUSION The decreased gray matter structure coupling with dynamic function in the left STG and right SMA at rest may be crucial in the pathophysiology of OCD. TRIAL REGISTRATION Study on the mechanism of brain network in obsessive-compulsive disorder with multi-model magnetic resonance imaging (registration date: 08/11/2017; registration number: ChiCTR-COC-17,013,301).
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Affiliation(s)
- Zhenning Ding
- Medical Technology Department, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Zhipeng Ding
- Medical Technology Department, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Yunhui Chen
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Dan Lv
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Tong Li
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Tinghuizi Shang
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Jidong Ma
- Department of Psychiatry, Baiyupao Psychiatric Hospital of Harbin, Harbin, Heilongjiang, 150050, China
| | - Chuang Zhan
- Department of Psychiatry, Baiyupao Psychiatric Hospital of Harbin, Harbin, Heilongjiang, 150050, China
| | - Xu Yang
- Medical Technology Department, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Jian Xiao
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Zhenghai Sun
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Na Wang
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China
| | - Wenbin Guo
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China
| | - Chengchong Li
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China.
| | - Zengyan Yu
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China.
| | - Ping Li
- Department of Psychiatry, Qiqihar Medical University, Qiqihar, Heilongjiang, 161006, China.
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Ba R, Yang L, Zhang B, Jiang P, Ding Z, Zhou X, Yang Z, Zhao C. FOXG1 drives transcriptomic networks to specify principal neuron subtypes during the development of the medial pallium. Sci Adv 2023; 9:eade2441. [PMID: 36791184 PMCID: PMC9931217 DOI: 10.1126/sciadv.ade2441] [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] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
The medial pallium (MP) is the major forebrain region underlying learning and memory, spatial navigation, and emotion; however, the mechanisms underlying the specification of its principal neuron subtypes remain largely unexplored. Here, by postmitotic deletion of FOXG1 (a transcription factor linked to autism spectrum disorders and FOXG1 syndrome) and single-cell RNA sequencing of E17.5 MP in mice, we found that FOXG1 controls the specification of upper-layer retrosplenial cortical pyramidal neurons [RSC-PyNs (UL)], subiculum PyNs (SubC-PyNs), CA1-PyNs, CA3-PyNs, and dentate gyrus granule cells (DG-GCs) in the MP. We uncovered subtype-specific and subtype-shared FOXG1-regulated transcriptomic networks orchestrating MP neuron specification. We further demonstrated that FOXG1 transcriptionally represses Zbtb20, Prox1, and Epha4 to prevent CA3-PyN and DG-GC identities during the specification of RSC-PyNs (UL) and SubC-PyNs; FOXG1 directly activates Nr4a2 to promote SubC-PyN identity. We showed that TBR1, controlled by FOXG1 during CA1-PyN specification, was down-regulated. Thus, our study illuminates MP principal neuron subtype specification and related neuropathogenesis.
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Affiliation(s)
- Ru Ba
- Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, School of Medicine, Southeast University, Nanjing 210009, China
| | - Lin Yang
- State Key Laboratory of Medical Neurobiology, Institutes of Brain Science, MOE Frontier Research Center for Brain Science, Fudan University, Shanghai 200032, P.R. China
| | - Baoshen Zhang
- Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, School of Medicine, Southeast University, Nanjing 210009, China
| | - Pengfei Jiang
- Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, School of Medicine, Southeast University, Nanjing 210009, China
| | - Zhipeng Ding
- Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, School of Medicine, Southeast University, Nanjing 210009, China
| | - Xue Zhou
- Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, School of Medicine, Southeast University, Nanjing 210009, China
| | - Zhengang Yang
- State Key Laboratory of Medical Neurobiology, Institutes of Brain Science, MOE Frontier Research Center for Brain Science, Fudan University, Shanghai 200032, P.R. China
| | - Chunjie Zhao
- Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, School of Medicine, Southeast University, Nanjing 210009, China
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Yang R, Zhao H, Wang X, Ding Z, Tao Y, Zhang C, Zhou Y. Magnetic resonance imaging radiomics modeling predicts tumor deposits and prognosis in stage T3 lymph node positive rectal cancer. Abdom Radiol (NY) 2023; 48:1268-1279. [PMID: 36750477 DOI: 10.1007/s00261-023-03825-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 02/09/2023]
Abstract
PURPOSE To develop a magnetic resonance imaging radiomics model to predict tumor deposits (TDs) and prognosis in stage T3 lymph node positive (T3N+) rectal cancer (RC). METHODS This retrospective study included 163 patients with pathologically confirmed T3N + RC from December 2013 to December 2015. The patients were divided into two groups for training and testing. Extracting radiomic features from MR images and selecting features using principal component analysis (PCA), then radiomic scores (rad-scores) were obtained by logistic regression analysis. Finally, a combined TDs prediction model containing rad-scores and clinical features was developed. A receiver operating characteristic (ROC) curve was used to assess the prediction performance. The overall survival (OS) rate in patients with high-risk and low-risk TDs predicted by rad-scores was validated by Kaplan-Meier survival curves. RESULTS Of the 163 patients included, histological TDs was diagnosed in 45 patients. The area under the curve (AUC) of the final model was 0.833 (training) and 0.844 (testing). The patients with rad-scores predicted high-risk were associated with OS. In addition, postoperative adjuvant therapy improved the OS of the high-risk TDs group (P < 0.05). CONCLUSION MRI-based radiomics modeling helps in the preoperative prediction of patients with TDs+ in T3N + RC and provides risk stratification for neoadjuvant therapy. In addition, the rad-scores of TDs could suggest different survival benefits of postoperative adjuvant therapy for T3N + RC patients and guide clinical treatment.
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Affiliation(s)
- Rui Yang
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin, 150081, Heilongjiang, China
| | - Hongxin Zhao
- Department of Radiology, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin, 150010, Heilongjiang, China
| | - Xinxin Wang
- Department of Radiology, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin, 150010, Heilongjiang, China
| | - Zhipeng Ding
- Department of Radiology, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin, 150010, Heilongjiang, China
| | - Yuqing Tao
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin, 150081, Heilongjiang, China
| | - Chunhui Zhang
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin, 150081, Heilongjiang, China.
| | - Yang Zhou
- Department of Radiology, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin, 150010, Heilongjiang, China.
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11
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Zhao C, Ding Z, Zhang Y, Ni Z, Li S, Gong S, Zou B, Wang K, Yu L. Thermally activated delayed fluorescence with dual-emission and pressure-induced bidirectional shifting: cooperative effects of intramolecular and intermolecular energy transfer. Chem Sci 2023; 14:1089-1096. [PMID: 36756321 PMCID: PMC9891365 DOI: 10.1039/d2sc05792a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
Different from the conventional piezochromic materials with a mono-redshift of single emission, our well-designed molecule demonstrates a sensitive turn-on and color-tunable piezochromic luminescence in response to the hydrostatic pressure. The molecule PXZ-W-SOF possesses dual-emission and pressure-induced bidirectional shifting characteristics. On the basis of in-depth experimental studies, on one hand, it is confirmed that the origin of the dual-emission behavior is the intramolecular charge transfer, namely thermally activated delayed fluorescence (TADF), and the intermolecular excimer; on the other hand, the emission of the excimer exhibits three-step variations with increasing pressure, which is mainly attributed to the molecular structure and its crystal packing state. The remarkable color change of PXZ-W-SOF from sky-blue to green to deep-blue during the whole process of boosting and releasing pressure is a result of intramolecular and intermolecular energy-transfer interactions. The PXZ-W-SOF molecular model is an extremely rare example of highly sensitive fluorescence tuning driven by TADF and excimer conversion under mechanical stimulation, thus providing a novel mechanism for the field of piezochromism. The unique molecular design also offers a new idea for rare deep-blue and ultraviolet TADF materials.
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Affiliation(s)
- Chenyue Zhao
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 People's Republic of China
| | - Zhipeng Ding
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 People's Republic of China
| | - Yibin Zhang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 People's Republic of China
| | - Zhigang Ni
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 People's Republic of China
| | - Shijun Li
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 People's Republic of China
| | - Shaolong Gong
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, Department of Chemistry, Wuhan University Wuhan 430072 People's Republic of China
| | - Bo Zou
- State Key Laboratory of Superhard Materials, Jilin University Qianjin Street 2699 Changchun 130012 People's Republic of China
| | - Kai Wang
- State Key Laboratory of Superhard Materials, Jilin University Qianjin Street 2699 Changchun 130012 People's Republic of China
| | - Ling Yu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 People's Republic of China
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Ding Z, Yun H, Li E. A multimedia knowledge discovery-based optimal scheduling approach considering visual behavior in smart education. Math Biosci Eng 2023; 20:5901-5916. [PMID: 36896555 DOI: 10.3934/mbe.2023254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Nowadays, the convergence of intelligent computing technique and education has been a hot concern for both academia and industry, producing the conception of smart education. It is predictable that automatic planning and scheduling for course contents are the most practical important task for smart education. As online and offline educational activities are visual behaviors, it remains challenging to capture and extract principal features. To breakthrough current barriers, this paper combines the visual perception technology and data mining theory, and proposes a multimedia knowledge discovery-based optimal scheduling approach in smart education about painting. At first, the data visualization is carried out to analyze the adaptive design of visual morphologies. On this basis, it is supposed to formulate a multimedia knowledge discovery framework which can implement multimodal inference tasks, so as to calculate specific course contents for specific individuals. At last, some simulation works are also conducted to obtain analysis results, showing that the proposed optimal scheduling scheme can work well in contents planning of smart education scenarios.
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Affiliation(s)
- Zhipeng Ding
- Institute of Plastic Arts, Hebei Academy of Fine Arts, Hebei 050700, China
| | - Hongxia Yun
- Institute of Plastic Arts, Hebei Academy of Fine Arts, Hebei 050700, China
| | - Enze Li
- College of Art, Hebei University of Science & Technology, Hebei 050018, China
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Li YY, Qu XL, Ma R, Hu J, Hei Y, Xu WQ, Wu W, Ding Z, Yang XJ. [Treatment of orbital vascular malformations with intralesional bleomycin injection and N-butyl-2-cyanoacrylate glue embolization]. Zhonghua Yan Ke Za Zhi 2023; 59:37-43. [PMID: 36631056 DOI: 10.3760/cma.j.cn112142-20220424-00207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Objective: To evaluate the clinical efficacy of bleomycin lavage combined with N-butyl-2-cyanoacrylate glue embolization and resection in the treatment of orbital vascular malformations. Methods: It was a retrospective case series study. Patients with orbital vascular malformations diagnosed at the Ophthalmology Division of Chinese PLA General Hospital from January 2018 to October 2021 were included and divided into exophthalmos group and non-exophthalmos group based on whether the patients had postural exophthalmos. Intralesional bleomycin injection and N-butyl-2-cyanoacrylate glue embolization were performed. The preoperative and postoperative visual acuity, the dosages of bleomycin and isobutyl cyanoacrylate glue, pathological results, imaging findings and remission rate were recorded and analyzed. The Chi-square test, Wilcoxon signed rank analysis and Mann-Whitney U test were used for statistical analysis. Results: A total of 58 patients (58 eyes)were included, and there were 22 males (37.9%) and 36 females (62.1%). Nineteen (32.8%) patients had postural exophthalmos, and 39 (67.2%) patients did not suffer postural exophthalmos. The patient's age of the two groups was 39.0 (28.0, 54.5) years vs. 14.0 (5.7, 26.5) years, with a statistically significant difference (Z=-3.96, P<0.001). There was no significant difference in gender, eye laterality, follow-up time and the disease course between the two groups (all P>0.05). During the operation, the dosage of bleomycin was 15 000 (13 500, 15 000) U in the exophthalmos group, and 15 000 (9 000, 16 500) U in the non-exophthalmos group (Z=-0.70, P=0.944). The dosages of N-butyl-2-cyanoacrylate glue were 2.8 (1.0, 3.0) ml and 1.7 (1.0, 2.2) ml, respectively, in the two groups, with no significant difference (Z=-1.11, P=0.268). There was no visual impairment in both groups, while the visual acuity in 5 patients without postural exophthalmos was improved postoperatively. The imaging examination results showed no difference in the malformed vascular area before and after the treatment in the exophthalmos group [384.0 (329.0, 458.0) mm2 vs. 330.5 (271.6, 356.7) mm2; Z=-1.26, P=0.208], but a significantly decreased area after the treatment in the non-exophthalmos group [960.8 (822.1, 1058.3) mm2 vs. 311.6 (164.6, 361.6) mm2; Z=-2.67, P=0.008]. All patients had no obvious local or systemic adverse reactions during the follow-up. The pathology reports showed vascular malformations in all 15 specimens obtained from the exophthalmos group, as well as vascular malformations in 41.0% (16/39) of specimens and venous lymphatic malformations in 59.0% (23/39) of specimens from the non-exophthalmos group. Thirty-nine patients had complete remission (67.2%), 19 patients had partial remission (32.8%), and the effective treatment rate was 100%. Conclusion: Bleomycin lavage combined with N-butyl-2-cyanoacrylate glue embolization can achieve good therapeutic effects on orbital vascular malformations.
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Affiliation(s)
- Y Y Li
- The Ophthalmology Division of Chinese PLA General Hospital, Beijing 100039, China
| | - X L Qu
- Department of Ophthalmology, First Affiliated Hospital of Shandong First Medical University, Jinan 250014, China
| | - R Ma
- The Ophthalmology Division of Chinese PLA General Hospital, Beijing 100039, China
| | - J Hu
- The Ophthalmology Division of Chinese PLA General Hospital, Beijing 100039, China
| | - Y Hei
- The Ophthalmology Division of Chinese PLA General Hospital, Beijing 100039, China
| | - W Q Xu
- The Ophthalmology Division of Chinese PLA General Hospital, Beijing 100039, China
| | - W Wu
- The Ophthalmology Division of Chinese PLA General Hospital, Beijing 100039, China
| | - Z Ding
- The Ophthalmology Division of Chinese PLA General Hospital, Beijing 100039, China
| | - X J Yang
- The Ophthalmology Division of Chinese PLA General Hospital, Beijing 100039, China
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Chen T, Liu J, Ding Z. Integrated Analysis of Transcriptome in Interleukin-10 Treated Peripheral Blood Cell Reveal Conservative Differential Expressed Genes. Indian J Pharm Sci 2023. [DOI: 10.36468/pharmaceutical-sciences.1088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023] Open
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15
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Fridriksson B, Berndtson M, Hamnered H, Faeder E, Ding Z, Hedner J, Grote L. Beneficial effects of telemedicine-based follow up in sleep apnea - a randomized controlled multi-center trial. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.197] [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: 11/24/2022]
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16
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Zheng H, Wang QQ, Xiong LL, Yu Y, Fei J, Ding Z. [Comparison of time series and case-crossover analyses in environmental epidemiology]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:1446-1451. [PMID: 36274612 DOI: 10.3760/cma.j.cn112150-20220415-00375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Time-series and case-crossover are two main study designs in environmental epidemiology. However, due to the differences in design principles and model construction between the two analyses, the results of the two analyses may not be consistent. Herein, we examined the short-term effect of cold spells on cardiovascular mortality in Nanjing using both time series and case-crossover analyses, aiming to provide a basis for the selection of appropriate research design in environmental epidemiology.
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Affiliation(s)
- H Zheng
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - Q Q Wang
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - L L Xiong
- Nanjing Municipal Center for Disease Control and Prevention, Nanjing 210003, China
| | - Y Yu
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - J Fei
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - Z Ding
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
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Soussain C, Grommes C, Ward R, Peterson C, Cravets M, Mathias A, Sosa J, Kirby B, Ding Z, Yusuf I, Rose M, Steinberg M, Tun H. PB2096: A PHASE 1B/2 STUDY OF GB5121, A NOVEL, HIGHLY SELECTIVE, POTENT, AND CNS-PENETRANT BTK INHIBITOR FOR RELAPSED/REFRACTORY PRIMARY/SECONDARY CNS LYMPHOMA AND PRIMARY VITREORETINAL LYMPHOMA. Hemasphere 2022. [PMCID: PMC9428960 DOI: 10.1097/01.hs9.0000851216.47783.78] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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18
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Zhao Y, Feng L, Tang J, Zhao W, Ding Z, Li A, Zheng Z. Automatically recognizing four-legged animal behaviors to enhance welfare using spatial temporal graph convolutional networks. Appl Anim Behav Sci 2022. [DOI: 10.1016/j.applanim.2022.105594] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Ding Z, Sun M, Liu W, Sun W, Meng X, Zheng Y. Ultrasonically synthesized N-TiO2/Ti3C2 composites: Enhancing sonophotocatalytic activity for pollutant degradation and nitrogen fixation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119287] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Singh J, Hatcher S, Ku AA, Ding Z, Feng FY, Sharma RA, Pfister SX. Model Selection for the Preclinical Development of New Drug-Radiotherapy Combinations. Clin Oncol (R Coll Radiol) 2021; 33:694-704. [PMID: 34474951 DOI: 10.1016/j.clon.2021.08.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 07/13/2021] [Accepted: 08/11/2021] [Indexed: 12/12/2022]
Abstract
Radiotherapy plays an essential role in the treatment of more than half of all patients with cancer. In recent decades, advances in devices that deliver radiation and the development of treatment planning software have helped radiotherapy attain precise tumour targeting with minimal toxicity to surrounding tissues. Simultaneously, as more targeted drug therapies are being brought into the market, there has been significant interest in improving cure rates for cancer by adding drugs to radiotherapy to widen the therapeutic window, the difference between normal tissue toxicity and treatment efficacy. The development of new combination therapies will require judicious adaptation of preclinical models that are routinely used for traditional drug discovery. Here we highlight the strengths and weaknesses of each of these preclinical models and discuss how they can be used optimally to identify new and clinically beneficial drug-radiotherapy combinations.
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Affiliation(s)
- J Singh
- Global Translational Science, Varian, a Siemens Healthineers company, Palo Alto, California, USA
| | - S Hatcher
- Global Translational Science, Varian, a Siemens Healthineers company, Palo Alto, California, USA
| | - A A Ku
- Global Translational Science, Varian, a Siemens Healthineers company, Palo Alto, California, USA
| | - Z Ding
- Global Translational Science, Varian, a Siemens Healthineers company, Palo Alto, California, USA
| | - F Y Feng
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California, USA; Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, California, USA; Department of Radiation Oncology, University of California, San Francisco, California, USA; Department of Urology, University of California, San Francisco, California, USA
| | - R A Sharma
- Global Translational Science, Varian, a Siemens Healthineers company, Palo Alto, California, USA; UCL Cancer Institute, University College London, London, UK
| | - S X Pfister
- Global Translational Science, Varian, a Siemens Healthineers company, Palo Alto, California, USA.
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Xu CY, Ye HW, Chen B, Wu YF, Cao Z, Ding Z, Yao YP, Gao Y, Li J, Zhu JJ, He S. Analysis of risk factors and prognosis of post-stroke pulmonary infection in integrated ICU. Eur Rev Med Pharmacol Sci 2021; 25:856-865. [PMID: 33577040 DOI: 10.26355/eurrev_202101_24654] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The incidence of SAP (stroke-associated pneumonia) is high in integrated ICU (Intensive Care Unit), and it might result in sepsis, which exacerbates the clinical outcome and increases mortality. It is necessary to investigate the epidemiological features of post-stroke infection and sepsis, identify the risk factors and analyze the prognosis. PATIENTS AND METHODS We retrospectively analyzed the data of 329 patients with cerebral infarction or cerebral hemorrhage, from seven tertiary university hospitals in Suzhou, Jiangsu Province, between January 1, 2016, and December 31, 2016. Basic demographic and clinical data including common health evaluation, stroke severity, microbiological parameters, surgical interventions and treatments were recorded for the analysis. SAP was diagnosed according to the criteria and recommendation from American Heart Association (AHA). RESULTS 188 (66.4%) patients suffered pneumonia, 124 patients were diagnosed as SAP. Compared with SAP, patients with non-SAP pulmonary infection had prolonged mechanical ventilation time, prolonged central venous catheter indwelling time, and higher incidence of sepsis (17.7% vs. 48.4%). 53 patients (18.7%) developed sepsis during hospitalization, whose mortality rate during hospitalization and the occurrence of neurologic dysfunction at 3 months were significantly increased (p<0.05). 130 positive results of sputum cultures were found. The detected pathogens were mainly gram-negative bacteria. The pathogenic detection rate of non-SAP patients with pulmonary infection was higher (78.1%). The in-hospital mortality was 16.3% and the related risk factors were higher NIHSS score at admission, lower GCS score at admission, pulmonary infection (especially non-SAP pulmonary infection) and sepsis during hospitalization. CONCLUSIONS The incidence of pulmonary infection after stroke in the integrated ICU is high, and it is easy to be complicated with sepsis, prolonging the mechanical ventilation time, central venous catheter indwelling time and hospitalization time, and the prognosis of long-term neurological function is relatively poor. The definition of stroke-associated pneumonia has implications for the classification of clinical infections, the prediction of possible pathogenic pathogens, and the guidance of anti-infective treatment.
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Affiliation(s)
- C-Y Xu
- Department of Emergency Medicine, Changshu Hospital Affiliated to Soochow University, the First People's Hospital of Changshu, Changshu, Jiangsu Province, China.
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Ding Z, Liu SJ, Liu XW, Ma Q, Qiao Z. MiR-16 inhibits proliferation of cervical cancer cells by regulating KRAS. Eur Rev Med Pharmacol Sci 2021; 24:10419-10425. [PMID: 33155198 DOI: 10.26355/eurrev_202010_23393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The aim of this study was to explore the effects of micro ribonucleic acid (miR)-16 on the proliferation and apoptosis of cervical cancer (CC) cells and its related regulatory mechanism. MATERIALS AND METHODS The downstream regulatory targets of miR-16 were analyzed based on the miRNA online database. HCC94 cells were selected as experimental objects. Subsequently, the cells were transfected with miR-16 mimic (miR-16 mimic group), miR-16 small interfering RNA (siRNA) (miR-16 siRNA group) and only Lipofectamine 2000 transfection reagent [blank control group and miR-16 normal control (NC) group]. The expression level of miR-16 in HCC94 cells was measured via quantitative reverse transcription-polymerase chain reaction (qRT-PCR). Cell counting kit-8 (CCK-8) assay, 5-Ethynyl-2'-deoxyuridine (EdU) staining assay and flow cytometry were then conducted to detect the effects of miR-16 on the viability, proliferation and apoptosis of HCC94 cells, respectively. Additionally, the effect of miR-16 on the protein expression level of Kirsten rat sarcoma viral oncogene homolog (KRAS) in HCC94 cells was determined via Western blotting. RESULTS MiRNA online database analysis showed that KRAS was the downstream target of miR-16. Compared with miR-16 NC group, the viability and proliferation ability of HCC94 cells increased significantly in miR-16 siRNA group but decreased significantly in miR-16 mimic group (p<0.05). However, the apoptosis rate evidently declined in miR-16 siRNA group while increased remarkably in miR-16 mimic group (p<0.05). In addition, the protein expression level of KRAS in HCC94 cells was significantly higher in miR-16 siRNA group but significantly lower in miR-16 mimic group when compared with miR-16 NC group (p<0.05). CONCLUSIONS MiR-16 is lowly expressed in HCC94 cells. Moreover, highly expressed miR-16 represses the viability and proliferation of HCC94 cells and promotes their apoptosis by targeted regulation on KRAS.
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Affiliation(s)
- Z Ding
- Department of Oncology, Affiliated Hospital of Jining Medical University, Jining, Jining, China.
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Pan T, Ding Z, Yan J, Zhao P. Comment on: Randomized clinical trial on closure versus non-closure of mesenteric defects during laparoscopic gastric bypass surgery. Br J Surg 2021; 108:e276. [PMID: 34009310 DOI: 10.1093/bjs/znab144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 04/06/2021] [Indexed: 11/13/2022]
Affiliation(s)
- T Pan
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Research Institute, School of Medicine, University of Electronic Science and Technology of China (UESTC), Chengdu, China
| | - Z Ding
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Research Institute, School of Medicine, University of Electronic Science and Technology of China (UESTC), Chengdu, China
| | - J Yan
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Research Institute, School of Medicine, University of Electronic Science and Technology of China (UESTC), Chengdu, China
| | - P Zhao
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Research Institute, School of Medicine, University of Electronic Science and Technology of China (UESTC), Chengdu, China
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Ding Z, Sherlock M, Zachos M. A184 INCIDENCE OF VENOUS THROMBOTIC EVENTS AND RISK FACTORS IN CHILDREN HOSPITALIZED WITH INFLAMMATORY BOWEL DISEASE: A RETROSPECTIVE, CASE-CONTROL STUDY. J Can Assoc Gastroenterol 2021. [DOI: 10.1093/jcag/gwab002.182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Limited research has been published to describe the incidence of venous thromboembolism (VTE) and relevant risk factors in Canadian children with inflammatory bowel disease (IBD).
Aims
The present study aimed to investigate the incidence of VTE amongst hospitalized pediatric IBD patients over a 10-year period and identify risk factors for the development of VTE.
Methods
A retrospective, matched case-control study was performed at McMaster Children’s Hospital. Hospitalized pediatric patients with IBD (<18 years old) from September 2009 to August 2020 were selected. Inpatient data was extracted from the medical record database, including baseline demographic data, thromboembolic events and potential risk factors for VTE.
Results
There were 890 hospitalizations of IBD patients during the study period. 15 (1.69%) were diagnosed with a VTE, including 4 males and 11 females (mean age 13.4±2.9 years old). 12 ulcerative colitis (UC) (80%) and 3 Crohn’s disease (CD) (20%) hospitalizations were comprised in the VTE group. There was a significant difference in VTE rate between females (2.7%) and males (0.8%) (P = 0.03). The VTE rate in the UC group (4.2%) was significantly higher than in the CD group (0.6%) (P = 0.001). The incidence of VTE amongst hospitalized IBD patients did not vary over the 10-year period (P = 0.496). Length of stay in hospital, albumin level and central venous catheter were shown to be significantly different, although they were not identified as independent risk factors (P >0 .05). Of the 15 hospitalizations with VTE, 6/15 (40%) were superficial VTEs in the extremities and 9/15 (60%) had a deep vein thrombosis (DVT) including 6 in the extremities and 3 in the abdomen. VTEs were associated with a peripheral line in 7 patients and with a PICC line in 4 hospitalizations. 2 of 9 (22%) with extremity DVT developed symptomatic pulmonary embolism. An inherited thrombotic condition was identified in 2 of 15 with VTEs. 12/15 (80%) with VTEs were symptomatic and all VTE related symptoms happened in patients with extremity thrombosis and pulmonary embolism. 7 of 15 (47%) VTEs were treated with anticoagulation therapy for 1–6 months. VTE related symptoms and repeat imaging tests significantly improved, and no patient developed a bleeding complication as a result of treatment.
Conclusions
The VTE rate in pediatric IBD patients was relatively low at McMaster Children’s hospital. Children with VTE were disproportionately females with ulcerative colitis compared with children with no VTE. Central venous line insertion may be correlated with the risk for VTE in children with IBD. Most VTEs and related symptoms happened in patients with extremity thrombosis and secondary pulmonary embolus. Anticoagulation therapy in children with IBD with active disease appears to be safe.
Funding Agencies
Kids Dig Health Funding from McMaster Children’s Hospital, McMaster University
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Affiliation(s)
- Z Ding
- Division of Gastroenterology, Hepatology & Nutrition, McMaster Children’s Hospital, Hamilton, ON, Canada
| | - M Sherlock
- Division of Gastroenterology, Hepatology & Nutrition, McMaster Children’s Hospital, Hamilton, ON, Canada
| | - M Zachos
- Division of Gastroenterology, Hepatology & Nutrition, McMaster Children’s Hospital, Hamilton, ON, Canada
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Guo F, Liu Y, Ding Z, Zhang C, Liu Z, Fan J. Supplemental iodine-containing prenatal multivitamins use and the potential effects on pregnancy outcomes in a mildly iodine-deficient region. J Endocrinol Invest 2021; 44:443-452. [PMID: 32514901 DOI: 10.1007/s40618-020-01321-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 06/01/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE The use and contribution of prenatal multivitamins (PMV) as iodine source for pregnant women in China, especially in mildly iodine-deficient region, have not been well studied. This study aimed to explore the association between PMV intake during pregnancy and thyroid function in mothers and newborns. METHODS We performed a study involving women with a history of taking PMV during pregnancy between January 2013 and October 2015, in Shanghai, a mildly iodine-deficient region. Maternal thyroid function in early and late pregnancy, and neonatal TSH on postnatal d 3 were obtained from medical records. We compared the outcomes in pregnant women who took exclusively iodine-containing PMV (I + PMV) with those who took exclusively non-contained PMV (I- PMV). Propensity score matching (PSM) was used to identify women with similar baseline characteristics. RESULTS After PSM, 1280 women in I + PMV and 2560 in I- PMV had similar propensity scores and were included in the analyses. Introduction of I + PMV to women was associated with slightly higher maternal thyroid hormone production (higher maternal FT4, p = 0.01, non-significantly lower TSH, p = 0.79) and lower neonatal TSH levels (p < 0.0001). The frequency of adverse pregnancy outcomes or thyroid dysfunctions did not differ between groups in late pregnancy. Mothers received I + PMV (0.2 SD) had a stronger association of maternal TSH with neonatal TSH than those who received I- PMV (0.1 SD). These effects were only shown in TPOAb-negative mothers, not in TPOAb-positive mothers. CONCLUSION TPOAb-positive women display an impaired iodine transport in thyroid and placenta, and this may explain the lack of changes in maternal and neonatal thyroid parameters with I + PMV supplementation in these women. This phenomenon might suggest that these women require different iodine doses or treatment approach in comparison with TPOAb-negative women.
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Affiliation(s)
- F Guo
- Obstetrical Department, School of Medicine, The International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University, 910 Hengshan Rd, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Y Liu
- Obstetrical Department, School of Medicine, The International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University, 910 Hengshan Rd, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Z Ding
- Obstetrical Department, School of Medicine, The International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University, 910 Hengshan Rd, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - C Zhang
- Obstetrical Department, School of Medicine, The International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University, 910 Hengshan Rd, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
- Shanghai Municipal Key Clinical Specialty, Shanghai, China
| | - Z Liu
- Obstetrical Department, School of Medicine, The International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University, 910 Hengshan Rd, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
- Shanghai Municipal Key Clinical Specialty, Shanghai, China
| | - J Fan
- Obstetrical Department, School of Medicine, The International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University, 910 Hengshan Rd, Shanghai, China.
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China.
- Shanghai Municipal Key Clinical Specialty, Shanghai, China.
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Zhou L, Wei H, Ge Y, Ding Z, Shi H. [Consistency of effective orifice area of prosthetic mitral valve estimated using 2-dimensional and 3-dimensional transesophageal echocardiography]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:238-242. [PMID: 33624597 DOI: 10.12122/j.issn.1673-4254.2021.02.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To analyze the consistency of effective orifice area (EOA) of prosthetic mitral valve estimated using 2- dimensional (2D) and 3-dimensional (3D) transesophageal echocardiography (TEE). OBJECTIVE This study was conducted among 34 patients undergoing mitral valve replacement surgery in Nanjing First Hospital between March and June in 2019. The diameter of the left ventricular outflow tract (LVOT) measured by 2D-TEE was used to calculate the cross sectional area of LVOT (CSALVOT). In 3D-TEE method, LVOT area was measured directly by planimetry on an enface view. The EOAs of the prosthetic mitral valve were calculated for both methods using the continuity equation. Bland-Altman plot consistency test was used to analyze the consistency between the two sets of EOA results, and linear regression analysis was used to analyze their correlation. OBJECTIVE The EOA of the prosthetic mitral valve differed significantly between 2D method and 3D method (2.22±0.71 cm2 vs 2.35±0.70 cm2, P < 0.001) with a mean difference of -0.14±0.20 cm2 and 95% coherence boundaries of (-0.53, 0.25 cm2). The regression equation for EOA-3D and EOA-2D is y=0.27 + 0.94x, showing a good correlation between the two methods. OBJECTIVE EOA estimation of the prosthetic mitral valve using 2D and 3D TEE has a good consistency, and the results estimated by the 2D method are slightly lower by about 6% than those by the 3D method.
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Affiliation(s)
- L Zhou
- Department of Anesthesiology, Changzhou Maternity and Child Health Care Hospital Affiliated to Nanjing Medical University, Changzhou 213003, China
| | - H Wei
- Department of Anesthesiology, Nanjing First Hospital Affiliated to Nanjing Medical University, Nanjing 210006, China
| | - Y Ge
- Department of Anesthesiology, Nanjing First Hospital Affiliated to Nanjing Medical University, Nanjing 210006, China
| | - Z Ding
- Department of Anesthesiology, First Affiliated Hospital to Nanjing Medical University, Nanjing 210029, China
| | - H Shi
- Department of Anesthesiology, Nanjing First Hospital Affiliated to Nanjing Medical University, Nanjing 210006, China
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Jin YD, Ren YR, Gao YX, Zhang L, Ding Z. Hsa_circ_0005075 predicts a poor prognosis and acts as an oncogene in colorectal cancer via activating Wnt/β-catenin pathway. Eur Rev Med Pharmacol Sci 2020; 23:3311-3319. [PMID: 31081084 DOI: 10.26355/eurrev_201904_17693] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE Emerging evidence has demonstrated vital regulation of circular RNAs (circRNAs) on tumorigenesis and progression of tumors. Abnormally expressed circRNAs hsa_circ_0005075 (circ_0005075) has been reported in several tumors. In this study, we aimed to explore the expression profiles, prognostic value, and potential function of circ_0005075 in colorectal cancer (CRC) PATIENTS AND METHODS: RT-PCR was used to detect the expression of circ_0005075 in both CRC tissues and cell lines. The associations between circ_0005075 expression and clinicopathological features and clinical prognosis were statistically analyzed. The effects of circ_0005075 on CRC cells were evaluated by Cell Counting Kit-8 (CCK-8), colony formation assays, Flow cytometer, and transwell assays. Western blot was performed to explore whether circ_0005075 modulated the Wnt/β-catenin pathway. RESULTS We observed that circ_0005075 expression was significantly up-regulated in both CRC tissues and cell lines. Then, clinical assays indicated that high circ_0005075 expression was significantly associated with histology/differentiation, depth of invasion, advanced TNM stage, and shorter overall survival and disease-free survival of CRC patients. Cellular studies indicated that circ_0005075 can enhance the proliferation, migration, and invasion capacities of CRC cells, thereby promoting tumor progression. Further mechanistic investigation showed that circ_0005075 displayed its tumor-promotive roles through activating Wnt/β-catenin pathway. CONCLUSIONS Our present data revealed circ_0005075 as a potential molecular marker and target for the prognosis and treatment of CRC patients.
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Affiliation(s)
- Y-D Jin
- Department of Medical Oncology, Department of Gastrointestinal Surgery; Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China.
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Lo CH, Pandey NK, Lim CKW, Ding Z, Tao M, Thomas DD, Langen R, Sachs JN. Discovery of Small Molecule Inhibitors of Huntingtin Exon 1 Aggregation by FRET-Based High-Throughput Screening in Living Cells. ACS Chem Neurosci 2020; 11:2286-2295. [PMID: 32568514 DOI: 10.1021/acschemneuro.0c00226] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Huntington's disease (HD) is the most common inherited neurodegenerative disorder and one of the nine polyglutamine (polyQ) diseases. HD is characterized by the pathological aggregation of the misfolded huntingtin exon 1 protein (Httex1) with abnormally long polyQ expansion due to genetic mutation. While there is currently no effective treatment for HD, inhibition of aggregate formation represents a direct approach in mediating the toxicity associated with Httex1 misfolding. To exploit this therapeutic window, we engineered two fluorescence resonance energy transfer (FRET) based biosensors that monitor the aggregation of Httex1 with different expanded Q-lengths (Q39 and Q72) in living cells. These FRET biosensors, together with a high-precision fluorescence lifetime detection platform, enable high-throughput screening of small molecules that target Httex1 aggregation. We found six small molecules that decreased the FRET of the biosensors and reduced Httex1-Q72-induced neuronal cytotoxicity in N2a cells with nanomolar potency. Using advanced SPR and EPR techniques, we confirmed that the compounds directly bind to Httex1 fibrils and inhibit aggregate formation. This strategy in targeting the Httex1 aggregates can be applicable to other proteins involved in polyQ related diseases.
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Affiliation(s)
- Chih Hung Lo
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Nitin K. Pandey
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, United States
| | - Colin Kin-Wye Lim
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Zhipeng Ding
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Meixin Tao
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, United States
| | - David D. Thomas
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Photonic Pharma LLC, Minneapolis, Minnesota 55410, United States
| | - Ralf Langen
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, United States
| | - Jonathan N. Sachs
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
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Lu W, Qi G, Ding Z, Li X, Qi W, He F. Clinical efficacy of acellular dermal matrix for plastic periodontal and implant surgery: a systematic review. Int J Oral Maxillofac Surg 2020; 49:1057-1066. [DOI: 10.1016/j.ijom.2019.12.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 12/02/2019] [Accepted: 12/12/2019] [Indexed: 11/24/2022]
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Young E, Ding Z, Kapke A, Houseal D, Pearson J, Turenne M. ESRD QIP Payment Reductions Are Associated with Mortality, Utilization, and Cost. Health Serv Res 2020. [DOI: 10.1111/1475-6773.13467] [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: 11/28/2022] Open
Affiliation(s)
- E. Young
- Arbor Research Collaborative for Health Ann Arbor MI United States
| | - Z. Ding
- Arbor Research Collaborative for Health Ann Arbor MI United States
| | - A. Kapke
- Arbor Research Collaborative for Health Ann Arbor MI United States
| | - D. Houseal
- Centers for Medicare and Medicaid Services Baltimore MD United States
| | - J. Pearson
- Arbor Research Collaborative for Health Ann Arbor MI United States
| | - M. Turenne
- Arbor Research Collaborative for Health Ann Arbor MI United States
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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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Lin H, Sun Y, Li M, Zhan Y, Lin L, Ding Z, Han Y. Sex modulates the apolipoprotein E ε4 effect on white matter and cortical functional connectivity in individuals with amnestic mild cognitive impairment. Eur J Neurol 2020; 27:1415-1421. [PMID: 32304148 DOI: 10.1111/ene.14226] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 02/15/2020] [Accepted: 03/18/2020] [Indexed: 12/31/2022]
Abstract
BACKGROUND AND PURPOSE Recent studies from the Alzheimer's Disease Neuroimaging Initiative show that, in the USA, 75% of patients with Alzheimer's disease are female. To date, there have rarely been any attempts to analyze data by sex or gender, which limits the potential for discovering the effects of sex or gender on disease. Little evidence is available regarding the effect of gender and apolipoprotein E (APOE) ε4 on white matter (WM) connection from the functional perspective due to the lack of appropriate techniques for detecting blood-oxygen-level-dependent signals in WM. METHODS We took advantage of a new framework known as functional tensor imaging to investigate the effect of sex and APOEε4 on WM cortical functional connectivity throughout the brain. RESULTS In a group of female patients with amnestic mild cognitive impairment, we found a significantly reduced functional connectivity in the left posterior limb of the internal capsule, left superior fronto-occipital fasciculus, bilateral temporopolar area and right somatosensory association cortex in APOEε4 carriers in contrast to non-carriers. We also found a significant APOEε4 by sex interaction effect on the right somatosensory association cortex, left temporopolar area and left superior temporal gyrus. The clinical Montreal Cognitive Assessment score was significantly negatively associated with the right somatosensory association cortex with APOEε4 by sex interaction in males. CONCLUSIONS These results indicate that increased APOE-related risk in women may be associated with decreased activity in both gray matter and WM in patients with amnestic mild cognitive impairment compared with men. The finding suggests accounting for sex differences in neuroimaging biomarkers, diagnostics and treatment strategy.
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Affiliation(s)
- H Lin
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Y Sun
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - M Li
- Vanderbilt University Institute of Imaging Science, Vanderbilt University, Nashville, TN, USA.,Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Y Zhan
- School of Mechanical, Electrical and Information Engineering, Shandong University, Jinan, China
| | - L Lin
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Z Ding
- Vanderbilt University Institute of Imaging Science, Vanderbilt University, Nashville, TN, USA.,Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN, USA.,Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, USA
| | - Y Han
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,National Clinical Research Center for Geriatric Disorders, Beijing, China.,Center of Alzheimer's Disease, Beijing Institute for Brain Disorders, Beijing, China
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Chen LZ, Ding Z, Zhang Y, He ST, Wang XH. MiR-203 over-expression promotes prostate cancer cell apoptosis and reduces ADM resistance. Eur Rev Med Pharmacol Sci 2020; 24:2784. [PMID: 32271394 DOI: 10.26355/eurrev_202003_20637] [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] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The article "MiR-203 over-expression promotes prostate cancer cell apoptosis and reduces ADM resistance, by Chen LZ, Ding Z, Zhang Y, He ST, Wang XH, published in Eur Rev Med Pharmacol Sci. 2018 Jun;22(12):3734-3741. DOI: 10.26355/eurrev_201806_15253. PMID: 29949147" has been withdrawn from the authors. The Publisher apologizes for any inconvenience this may cause.
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Affiliation(s)
- L-Z Chen
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
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Ding Z, Han X, Niethammer M. VOTENET+ : AN IMPROVED DEEP LEARNING LABEL FUSION METHOD FOR MULTI-ATLAS SEGMENTATION. Proc IEEE Int Symp Biomed Imaging 2020; 2020:363-367. [PMID: 35261721 PMCID: PMC8899817 DOI: 10.1109/isbi45749.2020.9098493] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this work, we improve the performance of multi-atlas segmentation (MAS) by integrating the recently proposed VoteNet model with the joint label fusion (JLF) approach. Specifically, we first illustrate that using a deep convolutional neural network to predict atlas probabilities can better distinguish correct atlas labels from incorrect ones than relying on image intensity difference as is typical in JLF. Motivated by this finding, we propose VoteNet+, an improved deep network to locally predict the probability of an atlas label to differ from the label of the target image. Furthermore, we show that JLF is more suitable for the VoteNet framework as a label fusion method than plurality voting. Lastly, we use Platt scaling to calibrate the probabilities of our new model. Results on LPBA40 3D MR brain images show that our proposed method can achieve better performance than VoteNet.
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Affiliation(s)
- Zhipeng Ding
- Department of Computer Science, UNC Chapel Hill, USA
| | - Xu Han
- Department of Computer Science, UNC Chapel Hill, USA
| | - Marc Niethammer
- Department of Computer Science, UNC Chapel Hill, USA
- Biomedical Research Imaging Center, UNC Chapel Hill, USA
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Xu F, Zhang YC, Hu H, Xu M, Huang MF, Qian Q, Jiang CQ, Ding Z. [Analysis on the efficacy and safety of reconstruction of mesenteric superior and inferior artery to increase the blood supply of ileal type D pouch]. Zhonghua Wei Chang Wai Ke Za Zhi 2020; 23:83-86. [PMID: 31958937 DOI: 10.3760/cma.j.issn.1671-0274.2020.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Ding W, Sun M, Gao B, Liu W, Ding Z, Anandan S. A ball-milling synthesis of N-graphyne with controllable nitrogen doping sites for efficient electrocatalytic oxygen evolution and supercapacitors. Dalton Trans 2020; 49:10958-10969. [PMID: 32725021 DOI: 10.1039/d0dt01855d] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Low-cost and efficient multifunctional electrodes play an important part in promoting the practical application of energy conversion and storage. Herein, we report the facile synthesis of N-graphyne, with a novel structure, by one-step ball milling of CaC2 and pyrazine. The accurate doping of nitrogen atoms at the controllable sites of the molecular skeleton of γ-graphyne was achieved using the nitrogenous precursor (pyrazine) as a reactant. Various techniques were adopted for the investigation of the composition, structure, and morphology of the obtained samples. The electrochemical measurements demonstrated that N-graphyne can serve as an excellent electrode material for both electrocatalysis and supercapacitors. As an electrocatalyst, N-graphyne exhibited an overpotential of 280 mV at 100 mA cm-2 and a Tafel slope of 122 mV dec-1 for the oxygen evolution reaction with highly stable morphology and electrocatalytic performance. As a supercapacitor electrode, N-graphyne showed a maximum capacitance of 235 F g-1 at 1 A g-1, and capacitance retention of 87% after 3000 cycles. The superior electrochemical performance of N-graphyne is due to the nitrogen heteroatomic defects, large electrochemical active surface areas and fast electron migration. Our studies provide a facile synthesis of novel N-graphyne with controllable doping sites and promote its potential applications in electrocatalysis and supercapacitors.
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Affiliation(s)
- Wen Ding
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Mingxuan Sun
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China. and State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, P. R. China
| | - Bowen Gao
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Wenzhu Liu
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Zhipeng Ding
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Sambandam Anandan
- Nanomaterials and Solar Energy Conversion Lab, Department of Chemistry, National Institute of Technology, Tiruchirappalli 620 015, India
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Zhou Y, Jiang CQ, Qian Q, Zhang W, Wang XW, Zhang L, Yu XQ, Ding Z, Gong ZL, You SP. [A rare case of spontaneous transvaginal evisceration]. Zhonghua Wei Chang Wai Ke Za Zhi 2019; 22:1085-1086. [PMID: 31770841 DOI: 10.3760/cma.j.issn.1671-0274.2019.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Chen LZ, Ding Z, Zhang Y, He ST, Wang XH. MiR-203 over-expression promotes prostate cancer cell apoptosis and reduces ADM resistance. Eur Rev Med Pharmacol Sci 2019; 22:3734-3741. [PMID: 29949147 DOI: 10.26355/eurrev_201806_15253] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Extra-cellular signal regulated kinase (ERK)/mitogen activated protein kinase (MAPK) signaling pathway is widely involved in cell proliferation, apoptosis, and drug resistance. MAPK kinase 1 (MEK1) is the upstream protein kinase of ERK that can activate ERK/MAPK signaling pathway. microRNA 203 (MiR-203) down-regulation is found to be associated with prostate cancer pathogenesis. Bioinformatics analysis showed the complementary targeted relationship between miR-203 and the 3'-UTR of MEK1 mRNA. This study explored the role of miR-203 in regulating prostate cancer cell proliferation, apoptosis, and ADM resistance through affecting MEK1 expression. MATERIALS AND METHODS Dual luciferase assay confirmed the targeted relationship between miR-203 and MEK1. MiR-203, MEK1, p-ERK1/2, and B cell lymphoma 2 (Bcl-2) expressions were compared in normal prostate epithelial cells PrEC, prostate cancer cells PC-3M, and drug resistance cells PC-3M/ADM. PC-3M, PC-3M/ADM cell apoptosis and proliferation were detected by using flow cytometry under ADM treatment at IC50 concentration of PC-3M cells. PC-3M cells were cultured in vitro and divided into four groups, including microRNA-normal control (miR-NC), miR-203 mimic, small interfere NC (si-NC), and si-MEK1. RESULTS MiR-203 targeted and inhibited MEK1 expression. MiR-203 levels and cell apoptosis were significantly lower, while MEK1, p-ERK1/2, Bcl-2, and cell proliferation were significantly higher in PC-3M/ADM cells compared to the PC-3M cells. MiR-203 mimic and/or si-MEK1 transfection significantly reduced MEK1, p-ERK1/2, and Bcl-2 levels, attenuated cell proliferation, induced cell apoptosis, and decreased drug resistance. CONCLUSIONS MiR-203 elevation suppressed prostate cancer PC-3M cell proliferation, promoted apoptosis, and weakened ADM resistance through targeted inhibiting MEK1 expression to alleviate ERK/MAPK signaling pathway and Bcl-2 expression.
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Affiliation(s)
- L-Z Chen
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
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Lo CH, Lim CKW, Ding Z, Wickramasinghe SP, Braun AR, Ashe KH, Rhoades E, Thomas DD, Sachs JN. Targeting the ensemble of heterogeneous tau oligomers in cells: A novel small molecule screening platform for tauopathies. Alzheimers Dement 2019; 15:1489-1502. [PMID: 31653529 DOI: 10.1016/j.jalz.2019.06.4954] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [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: 03/07/2019] [Revised: 05/30/2019] [Accepted: 06/19/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Understanding the heterogeneous pathology in Alzheimer's disease and related tauopathies is one of the most urgent and fundamental challenges facing the discovery of novel disease-modifying therapies. Through monitoring ensembles of toxic and nontoxic tau oligomers spontaneously formed in cells, our biosensor technology can identify tool compounds that modulate tau oligomer structure and toxicity, providing much needed insight into the nature and properties of toxic tau oligomers. BACKGROUND Tauopathies are a group of neurodegenerative disorders characterized by pathologic aggregation of the microtubule binding protein tau. Recent studies suggest that tau oligomers are the primary toxic species in tauopathies. NEW/UPDATED HYPOTHESIS We hypothesize that tau biosensors capable of monitoring tau oligomer conformation are able to identify tool compounds that modulate the structure and conformation of these tau assemblies, providing key insight into the unique structural fingerprints of toxic tau oligomers. These fingerprints will provide gravely needed biomarker profiles to improve staging of early tauopathy pathology and generate lead compounds for potential new therapeutics. Our time-resolved fluorescence resonance energy transfer biosensors provide us an exquisitely sensitive technique to monitor minute structural changes in monomer and oligomer conformation. In this proof-of-concept study, we identified a novel tool compound, MK-886, which directly binds tau, perturbs the conformation of toxic tau oligomers, and rescues tau-induced cytotoxicity. Furthermore, we show that MK-886 alters the conformation of tau monomer at the proline-rich and microtubule binding regions, stabilizing an on-pathway oligomer. MAJOR CHALLENGES FOR THE HYPOTHESIS Our approach monitors changes in the ensemble of assemblies that are spontaneously formed in cells but does not specifically isolate or enrich unique toxic tau species. However, time-resolved fluorescence resonance energy transfer does not provide high-resolution, atomic scale information, requiring additional experimental techniques to resolve the structural features stabilized by different tool compounds. LINKAGE TO OTHER MAJOR THEORIES Our biosensor technology is broadly applicable to other areas of tauopathy therapeutic development. These biosensors can be readily modified for different isoforms of tau, specific post-translational modifications, and familial Alzheimer's disease-associated mutations. We are eager to explore tau interactions with chaperone proteins, monitor cross-reactivity with other intrinsically disordered proteins, and target seeded oligomer pathology.
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Affiliation(s)
- Chih Hung Lo
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Colin Kin-Wye Lim
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Zhipeng Ding
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Sanjula P Wickramasinghe
- Biochemistry and Molecular Biophysics Graduate Group, University of Pennsylvania, Philadelphia, PA, USA
| | - Anthony R Braun
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Karen H Ashe
- Department of Neurology, University of Minnesota, Minneapolis, MN, USA; Department of Neuroscience, University of Minnesota, Minneapolis, MN, USA; N. Bud Grossman Center for Memory Research and Care, University of Minnesota, Minneapolis, MN, USA; Geriatric Research, Education, and Clinical Centers, Veterans Affairs Medical Center, Minneapolis, MN, USA
| | - Elizabeth Rhoades
- Biochemistry and Molecular Biophysics Graduate Group, University of Pennsylvania, Philadelphia, PA, USA; Department of Chemistry, University of Pennsylvania, Philadelphia, PA, USA
| | - David D Thomas
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA; Photonic Pharma LLC, Minneapolis, MN, USA
| | - Jonathan N Sachs
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA.
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40
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Ding Z, Fleishman G, Yang X, Thompson P, Kwitt R, Niethammer M. Fast predictive simple geodesic regression. Med Image Anal 2019; 56:193-209. [PMID: 31252162 PMCID: PMC6661182 DOI: 10.1016/j.media.2019.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 05/31/2019] [Accepted: 06/11/2019] [Indexed: 01/28/2023]
Abstract
Deformable image registration and regression are important tasks in medical image analysis. However, they are computationally expensive, especially when analyzing large-scale datasets that contain thousands of images. Hence, cluster computing is typically used, making the approaches dependent on such computational infrastructure. Even larger computational resources are required as study sizes increase. This limits the use of deformable image registration and regression for clinical applications and as component algorithms for other image analysis approaches. We therefore propose using a fast predictive approach to perform image registrations. In particular, we employ these fast registration predictions to approximate a simplified geodesic regression model to capture longitudinal brain changes. The resulting method is orders of magnitude faster than the standard optimization-based regression model and hence facilitates large-scale analysis on a single graphics processing unit (GPU). We evaluate our results on 3D brain magnetic resonance images (MRI) from the ADNI datasets.
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Affiliation(s)
- Zhipeng Ding
- Department of Computer Science, University of North Carolina at Chapel Hill, USA 201 S. Columbia St., Chapel Hill, NC 27599, USA.
| | - Greg Fleishman
- Imaging Genetics Center, University of Southern California, USA 2001 N. Soto Street, SSB1-102, Los Angeles, CA 90032, USA; Department of Radiology, University of Pennsylvania, USA 3400 Civic Center Boulevard Atrium, Ground Floor, Philadelphia, PA 19104, USA.
| | - Xiao Yang
- Department of Computer Science, University of North Carolina at Chapel Hill, USA 201 S. Columbia St., Chapel Hill, NC 27599, USA.
| | - Paul Thompson
- Imaging Genetics Center, University of Southern California, USA 2001 N. Soto Street, SSB1-102, Los Angeles, CA 90032, USA.
| | - Roland Kwitt
- Department of Computer Science, University of Salzburg, Austria Jakob Haringer Strasse 2, 5020 Salzburg, Austria.
| | - Marc Niethammer
- Department of Computer Science, University of North Carolina at Chapel Hill, USA 201 S. Columbia St., Chapel Hill, NC 27599, USA; Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, USA 125 Mason Farm Road, Chapel Hill, NC 27599, USA.
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Qin Y, Jiang L, Li Y, Ren L, Wang Y, Gong Y, Peng F, Zhu J, Ding Z, Liu Y, Yu M, Lu Y, Huang M. PD-L1 expression affect the efficacy of pemetrexed maintenance therapy in real-world patients with advanced non-squamous NSCLC. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz063.062] [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: 11/14/2022] Open
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42
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Huberman S, Duncan RA, Chen K, Song B, Chiloyan V, Ding Z, Maznev AA, Chen G, Nelson KA. Observation of second sound in graphite at temperatures above 100 K. Science 2019; 364:375-379. [PMID: 30872535 DOI: 10.1126/science.aav3548] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 01/27/2019] [Accepted: 03/04/2019] [Indexed: 01/24/2023]
Abstract
Wavelike thermal transport in solids, referred to as second sound, is an exotic phenomenon previously limited to a handful of materials at low temperatures. The rare occurrence of this effect restricted its scientific and practical importance. We directly observed second sound in graphite at temperatures above 100 kelvins by using time-resolved optical measurements of thermal transport on the micrometer-length scale. Our experimental results are in qualitative agreement with ab initio calculations that predict wavelike phonon hydrodynamics. We believe that these results potentially indicate an important role of second sound in microscale transient heat transport in two-dimensional and layered materials in a wide temperature range.
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Affiliation(s)
- S Huberman
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - R A Duncan
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - K Chen
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - B Song
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - V Chiloyan
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Z Ding
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - A A Maznev
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - G Chen
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - K A Nelson
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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43
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Jiang T, Li W, Lin D, Wang J, Liu F, Ding Z. Imaging features of metanephric adenoma and their pathological correlation. Clin Radiol 2019; 74:408.e9-408.e17. [PMID: 30803811 DOI: 10.1016/j.crad.2019.01.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 01/23/2019] [Indexed: 11/17/2022]
Abstract
AIM To analyse the imaging features of metanephric adenoma (MA) and their pathological correlation. MATERIALS AND METHODS The imaging findings in 11 patients with MA were studied retrospectively. Ultrasonography (US), computed tomography (CT), and magnetic resonance imaging (MRI) findings were studied in seven, 11, and six patients, respectively. The enhancement pattern, attenuation, lesion location, size, cystic or solid appearance, capsule sign, and presence of calcifications were evaluated. RESULTS On ultrasonography, MA presented as hypoechoic (4/7), slightly hyperechoic (1/7), isoechoic (2/7), and with a clear boundary. Unenhanced CT showed unclear boundaries (11/11), homogeneous isodensity (8/11), with calcification (1/11), necrosis (1/11), and heterogeneous hyperattenuation (1/11). Mean CT attenuation values on unenhanced and enhanced CT (cortical phase, corticomedullary phase, and excretory phase) were 38.87±6.66, 55.71±17.74, 67.77±16.86, and 65.62±15.99 HU, respectively. The degree of enhancement of the lesions in each phase was statistically significantly lower than that of the surrounding normal renal parenchyma (p=0.00). The pattern of enhancement of the solid component was slight and gradual enhancement (9/11). The tumour was located entirely within the renal medulla in nine cases, and two cases demonstrated an exophytic pattern. All tumours showed a clear boundary on enhanced CT, but capsules were not found. The mean greatest tumour diameter was 3.5 cm. MA showed markedly hyperintense on the diffusion-weighted MRI sequence (DWI) and delayed enhancement of the tumour capsule on enhanced MRI. CONCLUSIONS Imaging features of MA are usually solid and hypovascular, and show prolonged, and homogeneous mild enhancement that is less than that of the surrounding normal renal parenchyma in all phases. MA is markedly hyperintense on DWI.
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Affiliation(s)
- T Jiang
- Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, 266555, China
| | - W Li
- Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, 266555, China.
| | - D Lin
- Department of Pathology, The Affiliated Hospital of Qingdao University, Qingdao, 266555, China
| | - J Wang
- Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, 266555, China
| | - F Liu
- Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, 266555, China
| | - Z Ding
- Department of Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao, 266555, China
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44
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Ding Z, Xu F, Tang J, Li G, Jiang P, Tang Z, Wu H. Physcion 8-O-β-glucopyranoside prevents hypoxia-induced epithelial-mesenchymal transition in colorectal cancer HCT116 cells by modulating EMMPRIN. Neoplasma 2019; 63:351-61. [PMID: 26925795 DOI: 10.4149/303_150723n405] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Epithelial-mesenchymal transition (EMT) is considered as the most important mechanism that underlies the initiation of cancer metastasis. Here we report that Physicon 8-O-β-glucopyranoside (PG), a major active ingredient from a traditional Chinese herbal medicine Rumex japonicus Houtt, is capable of preventing human colorectal cancer cells from hypoxia-induced EMT. The treatment of the cells with PG reversed the EMT-related phenotype that has the morphological changes, down-regulation of E-cadherin, and hypoxia-induced cell migration and invasion. The effect was mediated at least in part by inhibiting the mRNA and protein expressions of EMMPRIN via modulation of PTEN/Akt/HIF-1α pathway. In addition, we found that PG-mediated prevention of EMT involved blockade of the hypoxia-induced up-regulation of Snail, Slug and Twist. In summary, this study showed that PG can prevent EMT induced by hypoxia, the environment that commonly exists in the center of a solid tumor. Given the low toxicity of PG to the healthy tissues, our study suggests that PG can serve as a safe therapeutic agent for suppressing cancer metastasis.
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45
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Huang M, Gong Y, Zhu J, Qin Y, Peng F, Ren L, Ding Z, Liu Y, Wang Y, Lu Y. P066 A Phase I Study of Apatinib Combined with Pemetrexed and Carboplatin in Untreated EGFR-Negative Stage IV Non-Squamous NSCLC. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.10.081] [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: 10/27/2022]
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46
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Luo J, Wang X, Ma F, Kang G, Ding Z, Ye C, Pan Y, Zhao Y, Hong S, Chen J, Xi J, Wen S, Lin Y, Li X, Qiu L, Yang X, Li G, Yang J, Sun Q. Long-term immunogenicity and immune persistence of live attenuated and inactivated hepatitis a vaccines: a report on additional observations from a phase IV study. Clin Microbiol Infect 2018; 25:1422-1427. [PMID: 30496870 DOI: 10.1016/j.cmi.2018.11.005] [Citation(s) in RCA: 8] [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: 06/19/2018] [Revised: 10/24/2018] [Accepted: 11/03/2018] [Indexed: 12/20/2022]
Abstract
Both live attenuated (HA-L) and inactivated (HA-I) hepatitis A vaccine were licensed for routine use in China. Although phase 1, 2 and 3 clinical studies of both vaccines have been completed, further systematic evaluation of their immunogenicity and immunological persistence under phase 4 clinical studies in a wide range of conditions and involving large populations is necessary. A phase IV clinical trial (NCT02601040) was performed in 9000 participants over 18 months of age. Geometric mean concentrations (GMCs) and seroconversion rates (SRs) were compared at five time points during 3 years for 1800 individuals among them. The SRs of HA-L and HA-I were 98.08% (95% CI 95.59%-99.38%) and 99.64% (95% CI 98.93%-100.00%) respectively 28 days after administration of the first dose, and remained at 97.07% (95% CI 94.31%-98.73%) or above and 96.73% (95% CI 94.07%-98.42%) or above respectively during the following 3 years. The GMCs for both the HA-L and HA-I groups showed that both vaccines elicited high anti-HAV titres, considerably more than the threshold of protection needed against HAV infection in humans, and these titres were sustained. Hence, both HA-I and HA-L vaccines could provide an excellent long-term protective effect, and supported the routine use of both vaccines.
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Affiliation(s)
- J Luo
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China; Kunming Medical University Haiyuan College, Kunming, China
| | - X Wang
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - F Ma
- Jiangsu Provincial Centre of Disease Control and Prevention, Nanjing, China
| | - G Kang
- Jiangsu Provincial Centre of Disease Control and Prevention, Nanjing, China
| | - Z Ding
- Yunnan Provincial Centre of Disease Control and Prevention, Kunming, Yunnan Province, China
| | - C Ye
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China; Kunming Medical University, Kunming, China
| | - Y Pan
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - Y Zhao
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - S Hong
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China; Kunming Medical University, Kunming, China
| | - J Chen
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - J Xi
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - S Wen
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - Y Lin
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - X Li
- The Affiliated Children's Hospital of Kunming Medical University, Kunming, China
| | - L Qiu
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; The Affiliated Children's Hospital of Kunming Medical University, Kunming, China
| | - X Yang
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - G Li
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China
| | - J Yang
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China.
| | - Q Sun
- Institute of Medical Biology, Chinese Academy of Medical Sciences, Peking Union Medical College, Kunming, China; Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China; Yunnan Provincial Key Laboratory of Vector-borne Diseases Control and Research, Kunming, China.
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47
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Alberts M, Lin JH, Chen YW, Ding Z, Bisht D, Kogan E, Twyman K, Milentijevic D. P3847Risk of stroke overall and by stroke severity among newly diagnosed non-valvular atrial fibrillation patients initiating treatment with rivaroxaban versus warfarin. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M Alberts
- Hartford HealthCare, Hartford, United States of America
| | - J H Lin
- Janssen Scientific Affairs, LLC, Raritan, United States of America
| | - Y.-W Chen
- Janssen Scientific Affairs, LLC, Raritan, United States of America
| | - Z Ding
- Janssen Scientific Affairs, LLC, Raritan, United States of America
| | - D Bisht
- Mu Sigma Business Solutions Pvt. Ltd., Bengaluru, India
| | - E Kogan
- Janssen Research and Development, LLC, Raritan, United States of America
| | - K Twyman
- Janssen Research and Development, LLC, Raritan, United States of America
| | - D Milentijevic
- Janssen Scientific Affairs, LLC, Raritan, United States of America
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48
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Ding Z, Wang K, Li J, Tan Q, Tan W, Guo G. Association between glutathione S‐transferase gene M1 and T1 polymorphisms and chronic obstructive pulmonary disease risk: A meta‐analysis. Clin Genet 2018; 95:53-62. [PMID: 29704242 DOI: 10.1111/cge.13373] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 04/23/2018] [Accepted: 04/23/2018] [Indexed: 12/27/2022]
Affiliation(s)
- Z. Ding
- Department of Respiratory MedicineWeifang People's Hospital Weifang China
| | - K. Wang
- Department of Respiratory MedicineWeifang People's Hospital Weifang China
| | - J. Li
- Department of Respiratory MedicineWeifang People's Hospital Weifang China
| | - Q. Tan
- Department of Respiratory MedicineWeifang People's Hospital Weifang China
| | - W. Tan
- Department of Respiratory MedicineWeifang People's Hospital Weifang China
| | - G. Guo
- Department of Respiratory MedicineWeifang People's Hospital Weifang China
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49
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Zhou L, Jiang M, Shen H, You T, Ding Z, Cui Q, Ma Z, Yang F, Xie Z, Shi H, Su J, Cao L, Lin J, Yin J, Dai L, Wang H, Wang Z, Yu Z, Ruan C, Xia L. Clinical and molecular insights into Glanzmann's thrombasthenia in China. Clin Genet 2018; 94:213-220. [PMID: 29675921 DOI: 10.1111/cge.13366] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/08/2018] [Accepted: 04/09/2018] [Indexed: 12/19/2022]
Abstract
Glanzmann's thrombasthenia (GT) is a rare bleeding disorder characterized by spontaneous mucocutaneous bleeding. The disorder is caused by quantitative or qualitative defects in integrin αIIbβ3 (encoded by ITGA2B and ITGB3) on the platelet and is more common in consanguineous populations. However, the prevalence rate and clinical characteristics of GT in non-consanguineous populations have been unclear. We analyzed 97 patients from 93 families with GT in the Han population in China. This analysis showed lower consanguinity (18.3%) in Han patients than other ethnic populations in GT-prone countries. Compared with other ethnic populations, there was no significant difference in the distribution of GT types. Han females suffered more severe bleeding and had a poorer prognosis. We identified a total of 43 different ITGA2B and ITGB3 variants, including 25 previously unidentified, in 45 patients. These variants included 14 missense, 4 nonsense, 4 frameshift, and 3 splicing site variants. Patients with the same genotype generally manifested the same GT type but presented with different bleeding severities. This suggests that GT clinical phenotype does not solely depend on genotype. Our study provides an initial, yet important, clinical and molecular characterization of GT heterogeneity in China.
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Affiliation(s)
- L Zhou
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Hematology department, Affiliated Hospital of Nantong University, Nantong, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - M Jiang
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - H Shen
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - T You
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Z Ding
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Q Cui
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Z Ma
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - F Yang
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Z Xie
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - H Shi
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - J Su
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - L Cao
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - J Lin
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - J Yin
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - L Dai
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - H Wang
- Department of Pediatrics/Section of Genetics, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Z Wang
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Z Yu
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - C Ruan
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - L Xia
- Key Laboratory of Thrombosis & Hemostasis of Ministry of Health, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
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Wang QQ, Yu Y, Li YH, Ding Z, Chen XD. [Evaluation the impact of community intervention on heat wave in Nanjing, China]. Zhonghua Yu Fang Yi Xue Za Zhi 2018; 52:188-190. [PMID: 29429276 DOI: 10.3760/cma.j.issn.0253-9624.2018.02.014] [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] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Affiliation(s)
- Q Q Wang
- Jiangsu Provincial Center for Disease Control and Prevention, Jiangsu Province, Nanjing 210009, China
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