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Qiao L, Chen Y, Ren C, Li T, Zhao A, Fan S, Bao J. Benthic foraminiferal community structure and its response to environmental factors revealed using high-throughput sequencing in the Zhoushan Fishing Ground, East China Sea. Mar Pollut Bull 2024; 202:116385. [PMID: 38669854 DOI: 10.1016/j.marpolbul.2024.116385] [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: 09/11/2023] [Revised: 01/31/2024] [Accepted: 04/14/2024] [Indexed: 04/28/2024]
Abstract
Benthic foraminifera are excellent tools for monitoring marine environments and reconstructing paleoenvironments. This study investigated the structure and diversity of benthic foraminiferal communities in 20 superficial sediment samples obtained from the Zhoushan Fishing Ground (ZFG) using high-throughput sequencing based on small subunit ribosomal DNA and RNA amplification. The results revealed Rotaliida as the most dominant group, with spatial heterogeneity in foraminiferal distribution. Total benthic foraminiferal communities exhibited higher species richness and diversity compared to active communities. While heavy metal pollution in the ZFG was moderate, areas with elevated concentrations of heavy metals exhibited low diversity and richness in foraminiferal communities. Total foraminiferal community structure was primarily influenced by factors such as water depth and Hg, Pb, Cd, and Zn levels. Notably, Hg levels emerged as a critical factor impacting the structure and diversity of the active foraminiferal community. The dominant species, Operculina, exhibited tolerance toward heavy metal pollution.
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Affiliation(s)
- Ling Qiao
- Key Laboratory of Sustainable Utilization of Technology Research for Fishery Resource of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, China
| | - Ye Chen
- Key Laboratory of Sustainable Utilization of Technology Research for Fishery Resource of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, China
| | - Chengzhe Ren
- College of Marine Science & Technology, Zhejiang Ocean University, Zhoushan 316004, China.
| | - Tiejun Li
- Key Laboratory of Sustainable Utilization of Technology Research for Fishery Resource of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, China
| | - Anran Zhao
- School of Fishery, Zhejiang Ocean University, Zhoushan 316004, China
| | - Songyao Fan
- College of Marine Science & Technology, Zhejiang Ocean University, Zhoushan 316004, China
| | - Jingjiao Bao
- Key Laboratory of Sustainable Utilization of Technology Research for Fishery Resource of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, China
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Xu W, Zhao A, He H, Liu ZH. Boron Quantum Dots Pillared Ti 3 C 2 T x Membrane Electrode with High Rate Performance for Supercapacitor. Small 2024; 20:e2306562. [PMID: 37922534 DOI: 10.1002/smll.202306562] [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: 08/01/2023] [Revised: 10/03/2023] [Indexed: 11/07/2023]
Abstract
A sonication-assisted liquid-phase preparation technique is developed to prepare boron quantum dots (BQDs) with a lateral size of 3 nm in a solution of NMP and NBA; it shows a direct bandgap semiconductor with a bandgap of 3 eV and a specific capacitance of 41 F g-1 . A BQDs(10)-Ti3 C2 Tx membrane electrode with excellent capacitance and high flexibility is prepared by using Ti3 C2 Tx nanosheets (NSs) as assembled units and BQDs as pillar; it gives a specific capacitance of 524 F g-1 at 1 A g-1 in 6 m H2 SO4 electrolyte, a high capacity retention of 75%, and a minimum relaxation time of 0.51 s. An all-solid-state BQDs(10)-Ti3 C2 Tx flexibility supercapacitor is assembled by using a BQDs(10)-Ti3 C2 Tx membrane as electrodes and PVA/H2 SO4 hydrogel as electrolyte; it not only shows an area specific capacitance of 552 mF cm-2 at 1.25 mA cm-2 , a retention rate of 75%, a capacity retention of 93% after 5000 cycles, and an energy density of 40.4 Wh cm-3 at a volume power density of 416 W cm-3 , but also provides superior flexibility and can be bent to different degrees, showing that the assembled BQDs(10)-Ti3 C2 Tx membrane electrode and BQDs(10)-Ti3 C2 Tx flexible supercapacitor display broad application prospects in field of portable/wearable electronic devices.
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Affiliation(s)
- Wenpu Xu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Normal University, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Anran Zhao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Normal University, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Hexia He
- Shaanxi Key Laboratory for Advanced Energy Devices, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Zong-Huai Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Normal University, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
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Song Q, Wei A, Xu H, Gu Y, Jiang Y, Dong N, Zheng C, Wang Q, Gao M, Sun S, Duan X, Chen Y, Wang B, Huo J, Yao J, Wu H, Li H, Wu X, Jing Z, Liu X, Yang Y, Hu S, Zhao A, Wang H, Cheng X, Qin Y, Qu Q, Chen T, Zhou Z, Chai Z, Kang X, Wei F, Wang C. An ACC-VTA-ACC positive-feedback loop mediates the persistence of neuropathic pain and emotional consequences. Nat Neurosci 2024; 27:272-285. [PMID: 38172439 DOI: 10.1038/s41593-023-01519-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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 11/04/2023] [Indexed: 01/05/2024]
Abstract
The central mechanisms underlying pain chronicity remain elusive. Here, we identify a reciprocal neuronal circuit in mice between the anterior cingulate cortex (ACC) and the ventral tegmental area (VTA) that mediates mutual exacerbation between hyperalgesia and allodynia and their emotional consequences and, thereby, the chronicity of neuropathic pain. ACC glutamatergic neurons (ACCGlu) projecting to the VTA indirectly inhibit dopaminergic neurons (VTADA) by activating local GABAergic interneurons (VTAGABA), and this effect is reinforced after nerve injury. VTADA neurons in turn project to the ACC and synapse to the initial ACCGlu neurons to convey feedback information from emotional changes. Thus, an ACCGlu-VTAGABA-VTADA-ACCGlu positive-feedback loop mediates the progression to and maintenance of persistent pain and comorbid anxiodepressive-like behavior. Disruption of this feedback loop relieves hyperalgesia and anxiodepressive-like behavior in a mouse model of neuropathic pain, both acutely and in the long term.
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Affiliation(s)
- Qian Song
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
- Department of Neurology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Anqi Wei
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Huadong Xu
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
- Key Laboratory of Medical Electrophysiology, Ministry of Education of China, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease and the Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
| | - Yuhao Gu
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Yong Jiang
- Department of Neurosurgery, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Nan Dong
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Chaowen Zheng
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Qinglong Wang
- State Key Laboratory of Membrane Biology and Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology; Peking-Tsinghua Center for Life Sciences; and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China
| | - Min Gao
- State Key Laboratory of Membrane Biology and Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology; Peking-Tsinghua Center for Life Sciences; and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China
| | - Suhua Sun
- State Key Laboratory of Membrane Biology and Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology; Peking-Tsinghua Center for Life Sciences; and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China
| | - Xueting Duan
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Yang Chen
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Bianbian Wang
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Jingxiao Huo
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Jingyu Yao
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Hao Wu
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Hua Li
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Xuanang Wu
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Zexin Jing
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Xiaoying Liu
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Yuxin Yang
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
- College of Life Sciences, Liaocheng University, Liaocheng, China
| | - Shaoqin Hu
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Anran Zhao
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China
| | - Hongyan Wang
- Key Laboratory of Medical Electrophysiology, Ministry of Education of China, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease and the Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
- College of Life Sciences, Liaocheng University, Liaocheng, China
| | - Xu Cheng
- Key Laboratory of Medical Electrophysiology, Ministry of Education of China, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease and the Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
| | - Yuhao Qin
- Key Laboratory of Medical Electrophysiology, Ministry of Education of China, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease and the Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
| | - Qiumin Qu
- Department of Neurology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Tao Chen
- Department of Human Anatomy, Histology and Embryology and K.K. Leung Brain Research Centre, the Fourth Military Medical University, Xi'an, China
| | - Zhuan Zhou
- State Key Laboratory of Membrane Biology and Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology; Peking-Tsinghua Center for Life Sciences; and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China
| | - Zuying Chai
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Xinjiang Kang
- Key Laboratory of Medical Electrophysiology, Ministry of Education of China, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease and the Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China.
- Department of Neurosurgery, the Affiliated Hospital of Southwest Medical University, Luzhou, China.
- College of Life Sciences, Liaocheng University, Liaocheng, China.
| | - Feng Wei
- Department of Neural and Pain Sciences, School of Dentistry; Program in Neuroscience, Center to Advance Chronic Pain Research, University of Maryland, Baltimore, MD, USA.
| | - Changhe Wang
- Neuroscience Research Center, Institute of Mitochondrial Biology and Medicine, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology and Core Facilities Sharing Platform, Xi'an Jiaotong University, Xi'an, China.
- Department of Neurology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
- Key Laboratory of Medical Electrophysiology, Ministry of Education of China, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease and the Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China.
- Department of Neurosurgery, the Affiliated Hospital of Southwest Medical University, Luzhou, China.
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Chandler J, Georgieva M, Desai U, Done N, Gomez-Lievano A, Ye W, Zhao A, Eid D, Hilts A, Kirson N, Schilling T. Impact of Differential Rates of Disease Progression in Amyloid-Positive Early Alzheimer's Disease: Findings from a Longitudinal Cohort Analysis. J Prev Alzheimers Dis 2024; 11:320-328. [PMID: 38374738 DOI: 10.14283/jpad.2024.28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
BACKGROUND There is limited literature regarding the impact of differential rates of disease progression on longitudinal outcomes in individuals with early Alzheimer's disease (AD) and confirmed brain amyloid pathology. OBJECTIVES To describe the underlying characteristics and long-term outcomes associated with different rates of disease progression among amyloid-positive individuals with early symptomatic AD. DESIGN Retrospective observational study. SETTING Data from the National Alzheimer's Coordinating Center (NACC) Uniform Data Set (UDS) in the United States (06/2005-11/2021). PARTICIPANTS Individuals with a clinical assessment of mild cognitive impairment or dementia and Clinical Dementia Rating® Dementia Staging Instrument Sum of Boxes (CDR-SB) score 0.5-9.0 (inclusive; first visit defined as the index date) and confirmed amyloid positivity. Participants were stratified into No Progression (change ≤0), Slower Progression (0< change <2.0 points), Median Progression (2.0-point change), and Faster Progression (change >2.0 points) cohorts based on the observed distribution of changes in CDR-SB score between the index and first subsequent visit. MEASUREMENTS For each cohort, the functional and neuropsychiatric outcomes were described at index and each subsequent visit for up to five years, and least-square (LS) mean changes from baseline were estimated using linear mixed-effects models adjusting for baseline demographic and clinical characteristics. RESULTS Among 1,263 participants included in the analysis, the mean±standard deviation (SD) age at index was 72.7±9.7 years and 55.3% were males. Demographic characteristics and comorbidity profiles at index were similar across cohorts. However, at index, the Faster Progression (N=279) cohort had higher CDR-SB and Functional Assessment Questionnaire (FAQ) scores compared with the No Progression (N=474), Slower Progression (N=297), and Median Progression (N=213) cohorts. Adjusting for baseline characteristics, at year 5 after index the FAQ score increased by 23.6 points for Faster Progression cohort and 10.4, 15.8, and 19.2 points for the No, Slower, and Median Progression cohorts, respectively. The corresponding increases in Neuropsychiatric Inventory Questionnaire (NPI-Q) scores were 6.7 points for the Faster Progression cohort, and by 1.3, 3.1, and 8.3 points, for the No, Slower, and Median Progression cohorts, respectively. CONCLUSIONS Despite similar demographic and clinical profiles at baseline, amyloid-positive individuals with greater deterioration based on CDR-SB early in the AD trajectory continue to experience worse functional and behavioral outcomes over time than those with more gradual deterioration in this metric.
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Affiliation(s)
- J Chandler
- Urvi Desai, PhD, Analysis Group, Inc., 111 Huntington Avenue, 14th Floor, Boston, MA 02199, USA, Phone: +1-617-425-8315,
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Chandler J, Done N, Desai U, Georgieva M, Gomez-Lievano A, Ye W, Zhao A, Eid D, Hilts A, Kirson N, Schilling T. Potential Implications of Slowing Disease Progression in Amyloid-Positive Early Alzheimer's Disease: Estimates from Real-World Data. J Prev Alzheimers Dis 2024; 11:310-319. [PMID: 38374737 DOI: 10.14283/jpad.2024.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
BACKGROUND Emerging therapies have shown promising results for slowing the progression of Alzheimer's disease (AD). However, the potential impact of these therapies on real-world outcomes remains to be explored. OBJECTIVE To examine the impact of slowing AD progression on functional abilities and behavioral symptoms. DESIGN Retrospective observational study. SETTING Data from the National Alzheimer's Coordinating Center (NACC) Uniform Data Set (UDS) in the United States (06/2005-11/2021, primary analysis) and the Alzheimer's Disease Neuroimaging Initiative (ADNI) database (09/2005-03/2022, sensitivity analysis) were used. PARTICIPANTS Individuals with mild cognitive impairment (MCI) or mild dementia, Clinical Dementia Rating Scale Sum of Boxes (CDR-SB) score 0.5-9.0 (inclusive; first visit defined as the index date), and confirmed amyloid positivity were identified in NACC. In ADNI, individuals with at least one clinical center visit with a clinical assessment of MCI or mild dementia and confirmed amyloid positivity were identified. MEASUREMENTS Hypothetical effects of slowing disease progression as assessed by CDR-SB on functional and behavioral outcomes including the Functional Activities Questionnaire (FAQ) score, Neuropsychiatric Inventory Questionnaire (NPI-Q) score, and the probability of complete dependence over five years were evaluated using multivariable regression among NACC participants, separately for the subgroups with MCI and mild dementia at baseline, respectively. For the ADNI sensitivity analysis, the hypothetical effects of slowing disease progression were evaluated for FAQ score using multivariable regression among the MCI participants only. RESULTS Compared with natural disease progression, slowing progression by 20% over five years for NACC participants with MCI and mild dementia, respectively, would result in 1.7-point (10.8%) and 1.6-point (12.9%) less deterioration based on FAQ; 0.5-point (20.3%) and 0.5-point (19.3%) less deterioration based on NPI-Q; 4.7 percentage-point (22.2%) and 10.1 percentage-point (21.6%) lower probability of complete dependence. Among ADNI participants, delaying disease progression by 20% or 30% over 4 years would avert deterioration based on FAQ of 1.1 points (20.4%) and 1.6 points (29.6%), respectively, compared to natural disease progression. CONCLUSIONS Slowing early AD progression could result in preservation of functional and behavioral attributes and functional autonomy for longer.
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Affiliation(s)
- J Chandler
- Urvi Desai, PhD, Analysis Group, Inc., 111 Huntington Avenue, 14th Floor, Boston, MA 02199, USA, Phone: +1-617-425-8315,
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Zhao A, Li J, Zeng H, Cheng H, Dong L. DSPose: Dual-Space-Driven Keypoint Topology Modeling for Human Pose Estimation. Sensors (Basel) 2023; 23:7626. [PMID: 37688082 PMCID: PMC10490807 DOI: 10.3390/s23177626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/27/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023]
Abstract
Human pose estimation is the basis of many downstream tasks, such as motor intervention, behavior understanding, and human-computer interaction. The existing human pose estimation methods rely too much on the similarity of keypoints at the image feature level, which is vulnerable to three problems: object occlusion, keypoints ghost, and neighbor pose interference. We propose a dual-space-driven topology model for the human pose estimation task. Firstly, the model extracts relatively accurate keypoints features through a Transformer-based feature extraction method. Then, the correlation of keypoints in the physical space is introduced to alleviate the error localization problem caused by excessive dependence on the feature-level representation of the model. Finally, through the graph convolutional neural network, the spatial correlation of keypoints and the feature correlation are effectively fused to obtain more accurate human pose estimation results. The experimental results on real datasets also further verify the effectiveness of our proposed model.
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Affiliation(s)
- Anran Zhao
- School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China;
| | - Jingli Li
- School of Physical Education, Huazhong University of Science and Technology, Wuhan 430074, China;
- Sport and Health Initiative, Optical Valley Laboratory, Wuhan 430074, China
| | - Hongtao Zeng
- School of Physical Education, Huazhong University of Science and Technology, Wuhan 430074, China;
- Sport and Health Initiative, Optical Valley Laboratory, Wuhan 430074, China
| | - Hongren Cheng
- Sports Big-Data Research Center, Wuhan Sports University, Wuhan 430079, China;
| | - Liangshan Dong
- School of Physical Education, China University of Geosciences, Wuhan 430074, China;
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Liu L, Miao J, Liu P, Zhao A, Yao L, Pan L. Comparison and quantification of estrogen receptor-mediated responsiveness to endocrine disruptors in bivalves by using complementary model and a novel yeast assay approach. Environ Pollut 2023; 323:121208. [PMID: 36738881 DOI: 10.1016/j.envpol.2023.121208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 01/20/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
Endocrine disrupting chemicals (EDCs) in estuaries and coastal habitats have been widely detected over the world and caused global concern. Bivalves have been shown to be vulnerable to endocrine disruption. However, estrogen receptors (ERs) sensitivity to steroids and EDCs has long been considered to be restricted to vertebrates. In the present study, a computational simulation docking model was applied to qualitatively predict the binding behavior of two bivalve ERs to estradiol and compared the docking activity with zebra fish ERa. A novel reconstituted yeast system was constructed by using transcriptional activator GAL-4 consists of ER-expressing plasmid and ERE (estrogen responsive element)-containing plasmid. The assays showed that bivalve ER specifically activate transcription in response to tested steroids and EDCs, but the activation ability is weaker compared to zebra fish ERa. The results corroborate the presence of an active ER in bivalve molluscs and provide a promising tool for screening of marine environmental pollutants active in disturbing ERs of bivalves, as well as understanding the underlying mechanism across taxonomic groups and phyla.
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Affiliation(s)
- Liru Liu
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
| | - Jingjing Miao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China.
| | - Peipei Liu
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
| | - Anran Zhao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
| | - Linlin Yao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
| | - Luqing Pan
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
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Tang Y, Zhang L, Ye D, Zhao A, Liu Y, Zhang M. Causal relationship between Type 1 diabetes and osteoporosis and fracture occurrence: a two-sample Mendelian randomization analysis. Osteoporos Int 2023; 34:1111-1117. [PMID: 37012460 DOI: 10.1007/s00198-023-06734-6] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 03/21/2023] [Indexed: 04/05/2023]
Abstract
We used two-sample Mendelian Randomization to reveal causal estimates of type 1 diabetes and bone. Type 1 diabetes was found to be a risk factor for bone metabolic health, although there was no clear evidence to support a genetic association between type 1 diabetes and osteoporosis and fracture risk. INTRODUCTION Based on the random assignment of gametes at conception, Mendelian randomization (MR) analysis simulates randomized controlled trials in an observational setting. Therefore, we used MR to assess the association causality of type 1 diabetes (T1D) with fractures and osteoporosis. METHODS From a genome-wide association meta-analysis, independent single nucleotide polymorphisms closely associated with T1D were selected as instrumental variables. Data on fracture and osteoporosis were obtained from the FinnGen Consortium. We performed a two-sample MR analysis, using inverse-variance weighted (IVW) as the primary analysis method, to assess possible causal associations between T1D and bone risk. The results were verified by MR-Egger regression and median weighted method (WME). MR-PRESSO and MR-Egger intercepts were used to evaluate the horizontal pleiotropy of instrumental variables, and the Q-test and "leave-one-out" methods were used to test the heterogeneity of MR results. RESULTS IVW (OR=1.040, 95% CI=0.974-1.109, P=0.238), MR-Egger regression (OR=1.077, 95% CI=0.921-1.260, P=0.372) and WME (OR=1.021, 95% CI=0.935-1.114, P=0.643) all showed that there was no causal relationship between T1D and osteoporosis, but the direction was consistent. The indicative significance of IVW results in T1D and forearm fractures (OR=1.062, 95% CI=1.010-1.117, P=0.020), but the results are not robust enough. There was no causal effect in femur, lumbar and pelvis, or shoulder and upper arm fractures. CONCLUSIONS After MR analysis, although T1D may be a risk factor for bone health, we do not have sufficient evidence to support a causal effect of T1D on osteoporosis and fractures at a genetically predicted level. More cases need to be included for analysis.
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Affiliation(s)
- Y Tang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - L Zhang
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, China
| | - D Ye
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - A Zhao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Y Liu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - M Zhang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China.
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Zhang S, Di W, Wang Y, Shi J, Yin X, Zhang Y, Zhao A, Campo R, Bigatti G. Hysteroscopic myomectomy with the IBS® Intrauterine Bigatti Shaver: A Retrospective Comparative Analysis of the impact of rotational speed and aspiration flow rate. Facts Views Vis Obgyn 2023; 15:53-59. [PMID: 37010335 PMCID: PMC10392109 DOI: 10.52054/fvvo.15.1.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
Abstract
Background: Myoma removal remains a challenge hysteroscopically including for the “IBS®” Intrauterine Bigatti Shaver technique.
Objective: To evaluate whether the Intrauterine IBS® instrument settings and the myoma size and type are prognostic factors for the complete removal of submucous myomas using this technology.
Materials and methods: This study was conducted at the San Giuseppe University Teaching Hospital Milan, Italy; Ospedale Centrale di Bolzano - Azienda Ospedaliera del Sud Tirolo Bolzano, Italy (Group A) and the Sino European Life Expert Centre-Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, Shanghai, China (Group B). In Group A: surgeries were performed between June 2009 and January 2018 on 107 women using an IBS device set to a rotational speed of 2,500 rpm and an aspiration flow rate of 250ml/min. In Group B: surgeries were performed between July 2019 and March 2021 on 84 women with the instrument setting to a rotational speed of 1,500 rpm and aspiration flow rate of 500 ml/min. Further subgroup analysis was performed based on fibroid size:<3 cm and 3-5 cm. Both Groups A and B were similar in terms of patient age, parity, symptoms, myoma type and size. Submucous myomas were classified according to the European Society for Gynaecological Endoscopy classification. All patients underwent a myomectomy with the IBS® under general anaesthesia. The conventional 22 Fr. Bipolar Resectoscope was used in cases requiring conversion to the resection technique. All surgeries were planned, performed and followed by the same surgeon in both institutions.
Main outcome measures: Complete resection rates, total operation time, resection time and used fluid volume.
Results: Complete resection with the IBS® Shaver was seen in 93/107 (86.91%) in Group A versus 83/84 (98.8 %) in Group B (P=0.0021). Five patients (5.8%) in Subgroup A1 (<3 cm) and nine patients (42.9%) in Subgroup A2 (3cm~5cm) could not be finished with the IBS (P<0.001, RR=2.439), while in Group B only one case (8.3%) in Subgroup B2 (3cm~5cm) underwent a conversion to bipolar resectoscope (Group A: 14/107=13.08% vs. Group B: 1/84=1.19%, P=0.0024). For <3cm myomas (subgroup A1 versus B1) there was a statistically significant difference in terms of resection time (7.75±6.363 vs. 17.28±12.19, P<0.001), operation time (17.81 ± 8.18 vs. 28.19 ±17.614, P<0.001) and total amount of fluid used (3365.63 ± 2212.319 ml vs. 5800.00 ± 8422.878 ml, P<0.05) in favour of Subgroup B1. For larger myomas, a statistical difference was only observed for the total operative time (51.00±14.298 min vs. 30.50±12.122 min, P=0.003).
Conclusion: For hysteroscopic myomectomy using the IBS®, 1,500rpm rotational speed and 500ml/min aspiration flow rate are recommended as these settings result in more complete resections compared to the conventional settings. In addition, these settings are associated with a reduction in total operating time.
What is new? Reducing the rotational speed rate from 2500 rpm to 1500 rpm and increasing the aspiration flow rate from 250 ml/min to 500 ml/min improve complete resection rates and reduce operating times.
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Wang Q, Miao J, Zhao A, Wu M, Pan L. Use of GAL4 factor-based yeast assay to quantify the effects of xenobiotics on RXR homodimer and RXR/PPAR heterodimer in scallop Chlamys farreri. Sci Total Environ 2022; 852:158526. [PMID: 36063929 DOI: 10.1016/j.scitotenv.2022.158526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/30/2022] [Accepted: 08/31/2022] [Indexed: 06/15/2023]
Abstract
Retinoid X receptor (RXR) and peroxisome proliferators-activated receptors (PPAR) have been shown as important targets of endocrine disrupting effects caused by organotin compounds (OTCs). In vitro methods for non-model species are instrumental in revealing not only mechanism of toxicity but also basic biology. In the present study, we constructed the GAL4 factor-based recombinant yeast systems of RXRα/RXRα (RR), RXRα/PPARα (RPα) and RXRα/PPARγ (RPγ) of the scallop Chlamys farreri to investigate their transcriptional activity under the induction of OTCs (tributyltin chloride, triphenyltin chloride, tripropyltin chloride and bis(tributyltin)oxide), their spiked sediments and five other non‑tin compounds (Wy14643, rosiglitazone, benzyl butyl phthalate, dicyclohexyl phthalate and bis(2-ethylhexyl) phthalate). The results showed that the natural ligand of RXR, 9-cis-retinoic acid (9cRA), induces transcriptional activity in all three systems, while four OTCs induced the transcriptional activity of the RR and RPα systems. None of the five potential non‑tin endocrine disruptors induced effects on the RPα and RPγ systems. The spiked sediment experiment demonstrated the feasibility of the recombinant yeast systems constructed in this study for environmental sample detection. These results suggest that OTCs pose a threat to affect function of RXRα and PPARα of bivalve mollusks. The newly developed GAL4 factor-based yeast two-hybrid system can be used as a valuable tool for identification and quantification of compounds active in disturbing RXR and PPAR of bivalves.
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Affiliation(s)
- Qiaoqiao Wang
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Jingjing Miao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China.
| | - Anran Zhao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Manni Wu
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Luqing Pan
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
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Qiao L, Fan S, Ren C, Gui F, Li T, Zhao A, Yan Z. Total and active benthic foraminiferal community and their response to heavy metals revealed by high throughput DNA and RNA sequencing in the Zhejiang coastal waters, East China Sea. Mar Pollut Bull 2022; 184:114225. [PMID: 36307953 DOI: 10.1016/j.marpolbul.2022.114225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 09/12/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Benthic foraminifera, large protists abundant in marine environments, have been widely used as bioindicators of environmental conditions. In this study, high-throughput sequencing based on small subunit rDNA and rRNA amplifications was used to investigate total and active benthic foraminifera community composition and diversity from nineteen and twelve superficial marine sediment samples in the Zhejiang coastal waters, respectively. The results showed that the dominant taxa of total foraminifera changed from Buliminellidae (hyaline) to Saccamminidae (agglutinated) from north to south along the coastal waters of Zhejiang Province. According to our survey, heavy metal contamination was moderate in Zhejiang coastal waters, and the potential ecological risks posed by Cd and Hg were higher. The contamination level of heavy metals at Yueqing Bay was the highest, followed by those at Sanmen Bay and Hangzhou Bay. Cd, Cu and grain size may be key factors affecting the distribution and composition of active foraminiferal communities.
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Affiliation(s)
- Ling Qiao
- Key Laboratory of Sustainable Utilization of Technology Research for Fishery Resource of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, China
| | - Songyao Fan
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316004, China
| | - Chengzhe Ren
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316004, China.
| | - Feng Gui
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316004, China
| | - Tiejun Li
- Key Laboratory of Sustainable Utilization of Technology Research for Fishery Resource of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, China
| | - Anran Zhao
- Key Laboratory of Sustainable Utilization of Technology Research for Fishery Resource of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, China; School of Fishery, Zhejiang Ocean University, Zhoushan 316004, China
| | - Zezheng Yan
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316004, China
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Ren Z, Zhao A, Zhang J, Yang C, Zhong W, Mao S, Wang S, Yuan Q, Wang P, Zhang Y. Safety and tolerance of Lacticaseibacillus paracasei N1115 in caesarean-born young children: a randomised, placebo-controlled trial. Benef Microbes 2022; 13:205-220. [PMID: 35300564 DOI: 10.3920/bm2021.0132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The administration of probiotics may help to improve dysbiosis and related health problems in children delivered by caesarean section. However, the effects are strain specific, and safety combined tolerance are considered a priority. The aim of this study was to evaluate the safety and tolerance of Lacticaseibacillus paracasei N1115 in caesarean-born children aged 6-24 months via a randomised, placebo-controlled intervention study. In total, 101 children were included and randomised to receive either a sachet of L. paracasei N1115 (2×1010 cfu/g, 2 g/day) or placebo (maltodextrin, 2 g/day) per day for 12 weeks. Anthropometric parameters were measured by trained nurses, and defecation characteristics, gastrointestinal symptoms, (serious) adverse events ((s)AEs), crying patterns and lifestyle behaviours were recorded by parents or guardians. Neurocognitive development was assessed by the Ages and Stages Questionnaires-3 (ASQ-3) before and after the intervention. The only difference between groups regarding defecation characteristics was a significant treatment × time effect on stool frequency (P=0.007), as the number of defecations was significantly higher in the probiotic group (around 1.2-1.3 times/day) than in the placebo group (around 1.0 times/day) in the later intervention period (P=0.035 at week 9; P=0.048 at week 10; P=0.026 at week 12). The use of L. paracasei N1115 also reduced the incidence rate of constipation (Incidence rate ratio (IRR): 0.120; 95% confidence interval (CI): 0.015, 0.967; P=0.046) and abdominal pain (IRR: 0.562; 95% CI: 0.358, 0.882; P=0.012). Changes in anthropometric parameters, including weight, height and head circumference, did not differ significantly between groups, nor did measures of crying, sleep, outdoor activity, temper, appetite or the ASQ-3 scores. No adverse events associated with consumption of the probiotic were reported. Thus, the administration of L. paracasei N1115 is safe and well-tolerated in caesarean-born children aged 6-24 months. Furthermore, it may ameliorate gastrointestinal function to some extent.
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Affiliation(s)
- Z Ren
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China P.R
| | - A Zhao
- Vanke School of Public Health, Tsinghua University, Beijing 100091, China P.R
| | - J Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China P.R
| | - C Yang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China P.R
| | - W Zhong
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China P.R
| | - S Mao
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China P.R
| | - S Wang
- Shijiazhuang Junlebao Dairy Co. Ltd., Shijiazhuang 050221, China P.R
- Peking University Medical Science-Junlebao Dairy Joint Laboratory of Breast Milk Science and Life Health, Beijing 100191, China P.R
| | - Q Yuan
- Shijiazhuang Junlebao Dairy Co. Ltd., Shijiazhuang 050221, China P.R
- Peking University Medical Science-Junlebao Dairy Joint Laboratory of Breast Milk Science and Life Health, Beijing 100191, China P.R
| | - P Wang
- Department of Social Medicine and Health Education, School of Public Health, Peking University, Beijing 100191, China P.R
| | - Y Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China P.R
- Peking University Medical Science-Junlebao Dairy Joint Laboratory of Breast Milk Science and Life Health, Beijing 100191, China P.R
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Shi J, Zhang Y, Zhang S, Yin X, An D, Zhang J, Cheng J, Wang Y, Zhao A, Di W, Campo R, Bigatti G. Intrauterine Bigatti Shaver (IBS ® ) successful placental remnants removal, after caesarean section for a cervical pregnancy with placenta accreta. Facts Views Vis Obgyn 2022; 14:95-98. [PMID: 35373555 PMCID: PMC9612859 DOI: 10.52054/fvvo.14.1.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Placenta accreta located in a caesarean section scar is difficult to remove. The Intrauterine Bigatti Shaver (IBS®) has already been proven to be effective in placental remnant removal. Our case report highlights that the IBS® is also a safe method to remove placental remnants attached to a previous caesarean section scar performed for a cervical pregnancy and associated with placenta accreta.
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Zhao A, Miao J, Liu L, Pan L. Potencies of organotin compounds in scallop RXRa responsive activity with a GAL4-based reconstituted yeast assay in vitro. Environ Sci Pollut Res Int 2022; 29:19890-19897. [PMID: 35084679 DOI: 10.1007/s11356-022-18620-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 01/07/2022] [Indexed: 06/14/2023]
Abstract
Retinoid X receptor (RXR) has been found to be a major target in various processes of endocrine disruption from the exposure to organotin compounds (OTCs), including imposex in gastropod mollusks. It was also reported in bivalves that OTCs caused intersex and skewed sex ratio. In order to evaluate the effect of these ligand-like OTCs, we constructed a reconstituted yeast system (CfRE system) based on GAL4 yeast two-hybrid principle using scallop Chlamys farreri retinoid X receptor (CfRXRa) and retinoid X response element (RXRE) to investigate the ligand-induced transactivation of CfRXRa. Responses of CfRXRa to 9-cis retinoic acid (9cRA) and tested four OTCs showed concentration-dependent response which is comparable with reported RXRa in vitro assay of human and gastropods. The detective limits of the CfRE system were found to be 100 nM for 9cRA and 10-1000 nM for the tested OTCs. While the tested non-Sn endocrine disrupting chemicals, including Benzo[a]pyrene, 2,4-Dichlorophenol, Nonylphenol, and Tetrabromobisphenol A, showed no effect on CfRXRa response. The present assay system may provide a valuable tool for screening assessments of unidentified environmental ligand chemicals on bivalve mollusks. It is also useful for comparison of sensitivity differences among species exposed to EDCs.
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Affiliation(s)
- Anran Zhao
- Ministry of Education, The Key Laboratory of Mariculture (Ocean University of China), Qingdao, 266003, People's Republic of China
| | - Jingjing Miao
- Ministry of Education, The Key Laboratory of Mariculture (Ocean University of China), Qingdao, 266003, People's Republic of China.
| | - Liru Liu
- Ministry of Education, The Key Laboratory of Mariculture (Ocean University of China), Qingdao, 266003, People's Republic of China
| | - Luqing Pan
- Ministry of Education, The Key Laboratory of Mariculture (Ocean University of China), Qingdao, 266003, People's Republic of China
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15
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Zhang M, Liu N, Wang BY, Zhang J, Zhao A, Yang J, Yang J. Role of local treatment in primary breast B-cell non-Hodgkin's lymphoma: a propensity score matching-based analysis from SEER database. Eur Rev Med Pharmacol Sci 2022; 26:22-31. [PMID: 35049015 DOI: 10.26355/eurrev_202201_27743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
OBJECTIVE Primary breast lymphoma (PBL) has been defined as disease localized to breast with or without ipsilateral axillary nodal involvement. Primary breast B-cell non-Hodgkin's lymphoma is rare to be diagnosed clinically. The role of surgery and radiotherapy (RT) as local treatment is unclear. The aim of this study was to evaluate the prognostic factors and investigate the effect of local treatment in patients with primary breast B-cell non-Hodgkin's lymphoma. MATERIALS AND METHODS We identified patients with primary breast B-cell non-Hodgkin's lymphoma diagnosed between 1998 and 2015 in the Surveillance, Epidemiology, and End Results (SEER) database. Propensity score matching (PSM) was performed to reduce possible bias between groups. The overall survival (OS) and disease-specific survival (DSS) were calculated using the Kaplan-Meier method. Multivariate Cox regression analysis was used to identify independent prognostic factors. RESULTS Altogether 956 patients with primary breast B-cell non-Hodgkin's lymphoma were included. Most patients were white women over the age of 60. The most common histological type was diffuse large B cell lymphoma (DLBCL), and most patients present with stage I disease. Furthermore, old age (>60 years), DLBCL histology and stage IIE disease were the statistically significant factors associated with worse OS and DSS. Surgery did not improve survival of patients, and surgery combined with RT did not achieve a better prognosis than RT alone. RT was associated with better survival in patients with stage IE DLBCL, but patients with stage IE MZL and FL and stage IIE primary breast B-cell non-Hodgkin's lymphoma could not benefit from RT. CONCLUSIONS In local treatment, surgery offered no survival benefit for patients with primary breast B-cell non-Hodgkin's lymphoma, while RT is an effective choice because it can improve both OS and DSS in the stage IE DLBCL subgroup.
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Affiliation(s)
- M Zhang
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.
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16
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Guo HP, Zhao A, Xue Y, Ma LK, Zhang YM, Wang PY. [Relationship between nutrients intake during pregnancy and the glycemic control effect in pregnant women with gestational diabetes mellitus]. Beijing Da Xue Xue Bao Yi Xue Ban 2021. [PMID: 34145846 DOI: 10.19723/j.issn.1671-167x.2021.03.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To explore the relationship between nutrients intake during pregnancy and the glycemic control effect in pregnant women with gestational diabetes mellitus (GDM). METHODS Pregnant women for 25-35 gestational weeks who underwent prenatal examination and completed GDM diagnostic test in two third-class hospitals in Beijing from October 2015 to October 2017 were recruited to participate in the cohort study, and were investigated at enrollment, 2 weeks after enrollment, and delivery. The cross-sectional survey data 2 weeks after enrollment was used for this study. Among them, dietary survey used the 24 h dietary records to collect the food intake of the subjects for the past day, and the intake of energy, macronutrients and micronutrients, was calculated according to the Chinese Food Composition Table. Using the data of fasting blood glucose (FBG) collected by clinical information system and referring to the Chinese Guidelines for the Diagnosis and Treatment of Pregnancy Diabetes (2014), the GDM patients with FBG ≤5.3 mmol/L were divided into the well-control group, those with FBG >5.3 mmol/L were divided into poorly-control group, and pregnant women with normal glucose tolerance were consi-dered as the normal group. Binary Logistic regression was used to analyze the association between the nutrients intake and glycemic control effect in pregnant women with GDM. RESULTS A total of 227 pregnant women were enrolled, including 104 GDM patients and 123 normal pregnancy women. Among them, 76 subjects in the well-control group (73.1%, 76/104) and 28 subjects in the poorly-control group (26.9%, 28/104). Compared with the well-control group and the normal group, the protein intake and its energy ratio of the poorly-control group were significantly higher, while carbohydrate energy ratio was significantly lower. In terms of micronutrients, there was no significant difference between the well-control group and the poorly-control group. After adjusting for age, gestational age and physical activity level, with the well-control group as the control group, binary Logistic regression model showed that higher protein energy ratio was positively correlated with poorly glycemic control effect in pregnant women with GDM (OR=6.12, 95%CI: 1.44-25.98), while higher carbohydrate energy ratio was negatively correlated with poorly glycemic control (OR=0.54, 95%CI: 0.32-0.91). CONCLUSION Reduced protein intake and increased carbohydrate intake were associated with better glycemic control in pregnant women with GDM. It is suggested that GDM patients should adjust their dietary pattern further to achieve good glycemic control effect.
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Affiliation(s)
- H P Guo
- Department of Nutrition and Food Hygiene, Peking University School of Public Health, Beijing 100191, China
| | - A Zhao
- Vanke School of Public Health, Tsinghua University, Beijing 100091, China
| | - Y Xue
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - L K Ma
- Department of Obstetrics and Gynecology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Y M Zhang
- Department of Nutrition and Food Hygiene, Peking University School of Public Health, Beijing 100191, China
| | - P Y Wang
- Department of Social Medicine and Health Education, Peking University School of Public Health, Beijing 100191, China
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17
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Zhao A, Jiang S, Miao J. Effects of BαP and TBBPA on multixenobiotic resistance (MXR) related efflux transporter activity and gene expressions in gill cells of scallop Chlamys farreri. Environ Sci Pollut Res Int 2021; 28:21110-21118. [PMID: 33405114 DOI: 10.1007/s11356-020-12302-w] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 12/29/2020] [Indexed: 06/12/2023]
Abstract
The multixenobiotic resistance mechanism (MXR) provides aquatic organisms with the capacity to adapt to polluted environments, which can be inhibited by chemosensitizers. In the present study, the effect of two typical marine persistent organic pollutants, benzo(a)pyrene (BaP) and tetrabromobisphenol A (TBBPA), on the most relevant ABC transporters, ABCB1, ABCC1, and ABCG2 of scallop Chlamys farreri was tested. MXR transporter efflux activity of cultured gill cells of the scallops was evaluated by measuring the intracellular fluorescent intensity of Calcein-AM and rhodamine 123 with flow cytometry. The results showed that ABCB1 and ABCC1 transporters demonstrated increased activity compared with ABCG2 in mediating MXR efflux activity. BaP and TBBPA were able to suppress the efflux transporter activity of ABC transporters significantly, of which BaP revealed block effects by acting on the ABCB1 transporter. Additionally, exposure of BaP and TBBPA only significantly upregulated the expression level of ABCC1 gene. This study demonstrated the promising utility of efflux transporter activity in conjunction with biomarkers such as mRNA levels in identification of chemosensitizer.
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Affiliation(s)
- Anran Zhao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, People's Republic of China
| | - Shanshan Jiang
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, People's Republic of China
| | - Jingjing Miao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, People's Republic of China.
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18
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Zhan X, Zhao A, Wu B, Yang Y, Wan L, Tan P, Huang J, Lu Y. A novel compound heterozygous mutation of MYSM1 gene in a patient with bone marrow failure syndrome 4. Br J Biomed Sci 2021; 78:239-243. [PMID: 33618624 DOI: 10.1080/09674845.2021.1894706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- X Zhan
- Department of Childhood Hematology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - A Zhao
- Department of Childhood Hematology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - B Wu
- Department of Childhood Hematology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Y Yang
- Department of Childhood Hematology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - L Wan
- Department of Childhood Hematology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - P Tan
- Department of Childhood Hematology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - J Huang
- Department of Childhood Hematology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Y Lu
- Department of Childhood Hematology, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Waldmann V, Amet D, Zhao A, Ladouceur M, Otmani A, Karsenty C, Maltret A, Soulat G, Mousseaux E, Lavergne T, Jouven X, Marijon E, Iserin L. Catheter ablation of intra-atrial re-entrant tachycardia in adult congenital heart disease: Value of final programmed atrial stimulation. Archives of Cardiovascular Diseases Supplements 2021. [DOI: 10.1016/j.acvdsp.2020.10.207] [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: 10/22/2022]
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Shi J, Fu R, Hec W, Zhao A. Recurrent Extra-gastrointestinal Stromal Tumor of the Vagina: A Case Report and Review of the Literature. Niger J Clin Pract 2020; 23:1776-1779. [PMID: 33355835 DOI: 10.4103/njcp.njcp_139_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Gastrointestinal tumors are uncommonly found outside the gastrointestinal tract, and extremely rare in the vaginal wall. In this case report, a 39-year-old female, she was finally diagnosed with an extra gastrointestinal stromal tumor (EGIST) when she presented with a recurrent vaginal tumor, while misdiagnosed after the first surgery. She had definitive surgical clearance and was taking targeted drug therapy with no sign of recurrence after follow-up for 13 months. Immunohistochemistry and cytogenetic's remain the most definitive method to diagnose EGISTs. Surgical resection and postoperative adjuvant targeted therapy are the optimum treatment options.
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Affiliation(s)
- J Shi
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Key Laboratory of Gynecologic Oncology, Shanghai, China
| | - R Fu
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Key Laboratory of Gynecologic Oncology, Shanghai, China
| | - W Hec
- Department of Pathology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - A Zhao
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Key Laboratory of Gynecologic Oncology, Shanghai, China
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21
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Moriarty P, Dutton JA, Gorby L, Vance J, Ali S, Zhao A, Khilla N, Alejandro M, Rodriguez J, Rajadhyaksha M, Andisik M, Gipe D, Zhang Y. Evaluating the effect of lipid-apheresis on evinacumab and angiopoietin-like 3 (ANGPTL3) levels. Atherosclerosis 2020. [DOI: 10.1016/j.atherosclerosis.2020.10.119] [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: 11/26/2022]
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22
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Waldmann V, Amet D, Zhao A, Ladouceur M, Karsenty C, Maltret A, Pontnau F, Legendre A, Soulat G, Lavergne T, Bonnet D, Jouven X, Vouhe P, Marijon E, Iserin L. Catheter ablation in adults with congenital heart disease: a 15-year perspective from a tertiary center. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0437] [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
With the growing population of adults with congenital heart disease (ACHD), the number of catheter ablation procedures is expected to increase over time.
Purpose
We aimed to describe temporal trends in volume and outcomes of catheter ablation procedures in ACHD patients in a large tertiary center.
Methods
Retrospective observational study including all consecutive ACHD patients undergoing catheter ablation in a tertiary reference center over a 15-year period. Acute procedural success rate (including complete success in case of non-inducibility of any arrhythmia at the end of the procedure) as well as freedom from recurrence at 12 months were analyzed.
Results
From November 2004 to November 2019, 302 catheter ablations in 221 ACHD patients (43.6±15.0 years, 58.9% males) were performed. The annual number of catheter ablation increased progressively from 4 to 60 by year (p<0.001). Intra-atrial reentrant tachycardia/focal atrial tachycardia was the most common targeted arrhythmia (n=217, 71.9%). Over the study period, acute procedural success rate increased from 45.0% to 93.3% (p<0.001), including complete acute procedural success from 45.0% to 88.1% (p<0.001) (Figure 1). The use of irrigated catheters (30.0% to 94.8%, p<0.001), 3D-mapping systems (60.0% to 96.3%, p<0.001), contact force catheters (0.0% to 91.9%, <0.001), and high-density mapping (0.0% to 71.9%, p<0.01) increased significantly. Use of irrigated catheters (OR=3.96, 95% CI: 1.79–8.55), 3D-mapping system (OR=3.55, 95% CI: 1.62–7.55), contact force catheters (OR=3.46, 95% CI: 1.71–7.25), and high-density mapping (OR=3.85, 95% CI: 1.60–7.26) were associated with acute procedural success. The rate of freedom from any recurrence at 12 months increased from 29.4% to 66.2% (p=0.001). Seven (2.3%) non-fatal complications occurred.
Conclusions
The number of catheter ablation procedures in ACHD patients has considerably increased over the last 15 years. Advances in ablative technologies appear to be associated with a low rate of complications and a significant improvement in acute and midterm outcomes.
Evolution of acute procedural success
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- V Waldmann
- European Georges Pompidou Hospital, Paris, France
| | - D Amet
- European Georges Pompidou Hospital, Paris, France
| | - A Zhao
- European Georges Pompidou Hospital, Paris, France
| | - M Ladouceur
- European Georges Pompidou Hospital, Paris, France
| | - C Karsenty
- European Georges Pompidou Hospital, Paris, France
| | | | - F Pontnau
- European Georges Pompidou Hospital, Paris, France
| | - A Legendre
- European Georges Pompidou Hospital, Paris, France
| | - G Soulat
- European Georges Pompidou Hospital, Paris, France
| | - T Lavergne
- European Georges Pompidou Hospital, Paris, France
| | | | - X Jouven
- European Georges Pompidou Hospital, Paris, France
| | - P Vouhe
- European Georges Pompidou Hospital, Paris, France
| | - E Marijon
- European Georges Pompidou Hospital, Paris, France
| | - L Iserin
- European Georges Pompidou Hospital, Paris, France
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23
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Huang C, Li Z, Zhang Z, Xia X, Xu D, Zhao A, Zhao G. Prognostic value and association of systemic inflammation for patients with stage IV gastric cancer. Acta Gastroenterol Belg 2020; 83:255-263. [PMID: 32603044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
OBJECTIVE The present study is aimed at investigating the prognostic value and association of systemic inflammation (neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio and lymphocyte-to-monocytes ratio) for patients with stage IV gastric cancer. METHODS In this retrospective study, patients with stage IV gastric cancer between January 2008 and December 2017 were included. A summary was performed on clinicopathological characteristics and a multivariate cox regression analysis was performed to identify the prognostic factors. RESULTS 304 patients with stage IV gastric cancer were included in the study. On multivariate analysis, the systemic chemotherapy (p < .001), the jaundice (p = .004), the high neutrophil-to-lym- phocyte ratio (p = .005) and the high platelet-to-lymphocyte ratio (p = .041) were independent prognostic factors for patients with stage IV gastric cancer. CONCLUSION As systemic inflammation response markers, neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio are significantly associated with OS for stage IV gastric cancer patients. Systemic chemotherapy shows a clear overall survival benefit in patients with stage IV gastric cancer and Jaundice indicates poor overall survival.
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Affiliation(s)
- C Huang
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Z Li
- Department of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Z Zhang
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - X Xia
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - D Xu
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - A Zhao
- Department of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - G Zhao
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
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24
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Sun H, Zhao A, Li M, Dong H, Sun Y, Zhang X, Zhu Q, Bukhari AAS, Cao C, Su D, Liu Y, Liang X. Interaction of calcium binding protein S100A16 with myosin-9 promotes cytoskeleton reorganization in renal tubulointerstitial fibrosis. Cell Death Dis 2020; 11:146. [PMID: 32094322 PMCID: PMC7039973 DOI: 10.1038/s41419-020-2337-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 02/06/2020] [Accepted: 02/07/2020] [Indexed: 11/10/2022]
Abstract
Renal fibrosis arises by the generation of matrix-producing fibroblasts and myofibroblasts through the epithelial-mesenchymal transition (EMT), a process in which epithelial cells undergo a transition into a fibroblast phenotype. A key feature of the EMT is the reorganization of the cytoskeletons, which may involve the Ca2+-binding protein S100A16, a newly reported member of the S100 protein family. However, very few studies have examined the role of S100A16 in renal tubulointerstitial fibrosis. In this study, S100A16 expression was examined by immunohistochemical staining of kidney biopsy specimens from patients with various nephropathies and kidney tissues from a unilateral ureteral obstruction (UUO) mouse model. Renal histological changes were investigated in S100A16Tg, S100A16+/-, and WT mouse kidneys after UUO. The expression of epithelia marker E-cadherin, mesenchymal markers N-cadherin, and vimentin, extracellular matrix protein, and S100A16, as well as the organization of F-actin, were investigated in S100A16 overexpression or knockdown HK-2 cells. Mass spectrometry was employed to screen for S100A16 binding proteins in HK-2 cells. The results indicated that S100A16 is high expressed and associated with renal tubulointerstitial fibrosis in patient kidney biopsies and in those from UUO mice. S100A16 promotes renal interstitial fibrosis in UUO mice. S100A16 expression responded to increasing Ca2+ and interacted with myosin-9 during kidney injury or TGF-β stimulation to promote cytoskeleton reorganization and EMT progression in renal tubulointerstitial fibrosis. Therefore, S100A16 is a critical regulator of renal tubulointerstitial fibroblast activation and is therefore a potential therapeutic target for the treatment of renal fibrosis.
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Affiliation(s)
- Hui Sun
- Department of Pathophysiology, Nanjing Medical University, 211166, Nanjing, China.,Departments of Pathology, The Affiliated Hospital of Nantong University, 226001, Nantong, China
| | - Anran Zhao
- Department of Pathophysiology, Nanjing Medical University, 211166, Nanjing, China
| | - Min Li
- Department of Pathology, Nanjing Medical University, 211166, Nanjing, China
| | - Hao Dong
- Department of Pathophysiology, Nanjing Medical University, 211166, Nanjing, China
| | - Yifei Sun
- Department of Pathophysiology, Nanjing Medical University, 211166, Nanjing, China
| | - Xue Zhang
- Department of Pathophysiology, Nanjing Medical University, 211166, Nanjing, China
| | - Qian Zhu
- Department of Pathophysiology, Nanjing Medical University, 211166, Nanjing, China
| | | | - Changchun Cao
- Department of Nephrology, The Affiliated Sir Run Run Hospital of Nanjing Medical University, 211166, Nanjing, China
| | - Dongming Su
- Department of Pathology, Nanjing Medical University, 211166, Nanjing, China.,Center of Pathology and Clinical Laboratory, The Affiliated Sir Run Run Hospital of Nanjing Medical University, 211166, Nanjing, China
| | - Yun Liu
- Department of Geratology, The First Affiliated Hospital of Nanjing Medical University, 210029, Nanjing, China
| | - Xiubin Liang
- Department of Pathophysiology, Nanjing Medical University, 211166, Nanjing, China. .,Department of Nephrology, The Affiliated Sir Run Run Hospital of Nanjing Medical University, 211166, Nanjing, China.
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25
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Zhu Q, Dong H, Bukhari AAS, Zhao A, Li M, Sun Y, Zhang X, Cao C, Su D, Liang X. HUWE1 promotes EGFR ubiquitination and degradation to protect against renal tubulointerstitial fibrosis. FASEB J 2020; 34:4591-4601. [PMID: 32017279 DOI: 10.1096/fj.201902751r] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 10/30/2019] [Revised: 01/08/2020] [Accepted: 01/18/2020] [Indexed: 12/13/2022]
Abstract
Injury of renal tubular epithelial cells is a key feature of the pathogenicity associated with tubulointerstitial fibrosis and other kidney diseases. HUWE1, an E3 ubiquitin ligase, acts by participating in ubiquitination and degradation of its target proteins. However, the detailed mechanisms by which HUWE1 might regulate fibrosis in renal tubular epithelial cells have not been established. Here, the possible regulation of renal tubulointerstitial fibrosis by HUWE1 was investigated by examining the expression of HUWE1 and EGFR in unilateral ureteral obstruction (UUO) mice. Markedly consistent reciprocal changes in HUWE1 and EGFR expression were observed at the protein and mRNA levels in the kidney after UUO injury. Expression of HUWE1 inhibited TGF-β-induced injury to HK-2 cells, while HUWE1 overexpression decreased the expression of EGFR. Further analysis indicated that HUWE1 physically interacted with EGFR and promoted its ubiquitination and degradation. HUWE1 expression also showed clinical relevance in renal disease, as it notably decreased in multiple types of clinical nephropathy, while EGFR expression significantly increased when compared to the normal kidney. Therefore, this study demonstrated that HUWE1, which serves as an E3 ubiquitin ligase specific for EGFR, promotes EGFR ubiquitination and degradation, thereby regulating EGFR expression and providing protection against kidney injury.
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Affiliation(s)
- Qian Zhu
- Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - Hao Dong
- Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | | | - Anran Zhao
- Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - Min Li
- Department of Pathology, Nanjing Medical University, Nanjing, China
| | - Yifei Sun
- Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - Xue Zhang
- Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - Changchun Cao
- Department of Nephrology, The Affiliated Sir Run Run Hospital of Nanjing Medical University, Nanjing, China
| | - Dongming Su
- Department of Pathology, Nanjing Medical University, Nanjing, China.,Center of Pathology and Clinical Laboratory, The Affiliated Sir Run Run Hospital of Nanjing Medical University, Nanjing, China
| | - Xiubin Liang
- Department of Pathophysiology, Nanjing Medical University, Nanjing, China.,Department of Nephrology, The Affiliated Sir Run Run Hospital of Nanjing Medical University, Nanjing, China
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26
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Bukhari AAS, Zhang X, Li M, Zhao A, Dong H, Liang X. Cofilin participates in regulating alpha-epithelial sodium channel by interaction with 14-3-3 isoforms. J Biomed Res 2020; 34:351-360. [PMID: 32981895 PMCID: PMC7540242 DOI: 10.7555/jbr.34.20190155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Renal epithelial sodium channel (ENaC) plays a crucial role in maintaining homeostasis and sodium absorption. While insulin participates in controlling sodium transport across the renal epithelium, the underlying molecular mechanism remain unclear. In this study, we found that insulin increased the expression and function of alpha-epithelial sodium channel (α-ENaC) as well as phosphorylation of cofilin, a family of actin-binding proteins which disassembles actin filaments, in mouse cortical collecting duct (mpkCCDc14) cells. The wild-type (WT) cofilin and its constitutively phosphorylated form (S3D), but not its constitutively non-phosphorylable form (S3A), contributed to the elevated expression on α-ENaC. Overexpression of 14-3-3ε, β, or γ increased the expression of α-ENaC and cofilin phosphorylation, which was blunted by knockdown of 14-3-3ε, β, or γ. Moreover, it was found that insulin increased the interaction between cofilin and 14-3-3 isoforms, which indicated relevance of 14-3-3 isoforms with cofilin. Furthermore, LIMK1/SSH1 pathway was involved in regulation of cofilin and α-ENaC expression by insulin. The results from this work indicate that cofilin participates in the regulation of α-ENaC by interaction with 14-3-3 isoforms.
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Affiliation(s)
| | | | | | | | | | - Xiubin Liang
- Department of Pathophysiology;Department of Nephrology, the Affiliated Sir Run Run Hospital of Nanjing Medical University, Nanjing, Jiangsu 211166, China
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Peng X, Hu T, Zhang Y, Zhao A, Natarajan B, Wei J, Yan H, Chen H, Lin C. Synthesis of caffeic acid sulfonamide derivatives and their protective effect against H2O2 induced oxidative damage in A549 cells. RSC Adv 2020; 10:9924-9933. [PMID: 35692719 PMCID: PMC9122571 DOI: 10.1039/d0ra00227e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 02/27/2020] [Indexed: 11/21/2022] Open
Abstract
Exogenous antioxidants are considered as important therapeutic tools for oxidative stress associated disorders as they can regulate the redox state, which is associated with cell and organ function. Inspired by natural polyphenols, six new caffeic acid sulfonamide derivatives were synthesized by coupling sulfonamides to the backbone of caffeic acid with good yields. Their structure and lipophilicity were characterized by 1H nuclear magnetic resonance (NMR), 13C{1H} NMR, infrared spectroscopy (IR) and oil–water partition coefficient assay. Their free radical scavenging activity and antioxidant activity were assessed by DPPH assay and hydrogen peroxide (H2O2) induced oxidative stress in human lung carcinoma A549 cells. The oil–water partition coefficient results indicate that the conjugation of sulfonamides increases the lipophilicity of caffeic acid. The CASMD, CASDZ and CASN results show higher free radical scavenging effects compared with vitamin C. The derivatives do not show any inhibitory effect on the proliferation of A549 cells up to a concentration of 200 μM, except CASDZ which significantly inhibits the growth of A549 cells at a concentration of 200 μM. In addition, the obtained derivatives markedly attenuate H2O2 induced decrease of cell viability, inhibit the production of ROS and MDA, and promote the activities of superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px). Besides, treatment of H2O2 stimulated A549 cells with caffeic acid sulfonamide derivatives further increases mRNA expression of NF-E2-related factor 2 (Nrf2) and its target genes, including heme oxygenase-1 (HO-1), NAD(P)H quinone dehydrogenase 1 (NQO1) and thioredoxin reductase 1 (TXNRD1). These results suggest that these new caffeic acid sulfonamide derivatives have higher lipophilicity and better antioxidant activities than the parent caffeic acid, and they might be able to control the antioxidant response in cells via the Nrf2 pathway. Synthesized caffeic acid derivatives exhibit protective effect on H2O2 induced oxidative injury in A549 cells via Nrf2 pathway.![]()
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Affiliation(s)
- Xiaoyu Peng
- Guangxi University
- Nanning 530004
- China
- China Academy of Science and Technology Development Guangxi Branch
- Nanning 530022
| | | | | | - Anran Zhao
- The First Affiliated Hospital of Guangxi Medical University
- Nanning 530021
- China
| | | | - Jiata Wei
- Guangxi University
- Nanning 530004
- China
| | - Hao Yan
- Guangxi University
- Nanning 530004
- China
| | | | - Cuiwu Lin
- Guangxi University
- Nanning 530004
- China
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Chiu G, Zhao A, Zhang B, Zhang T. Clinical value of isolated intracardiac echogenic focus in the fetal heart: A retrospective study in Chinese women. CLIN EXP OBSTET GYN 2019. [DOI: 10.12891/ceog5066.2019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Cai Q, Zhao A, Ren LG, Chen J, Liao KS, Wang ZS, Zhang W. MiR-425 involves in the development and progression of renal cell carcinoma by inhibiting E2F6. Eur Rev Med Pharmacol Sci 2019; 22:6300-6307. [PMID: 30338798 DOI: 10.26355/eurrev_201810_16040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To investigate the effect of miR-425 on the proliferation and apoptosis of clear cell renal carcinoma (ccRCA) cells, and to explore the underlying mechanism. PATIENTS AND METHODS A total of 80 pairs of human clear cell renal carcinoma (ccRCA) and cancer-adjacent normal tissue samples were collected in this study. Human ccRCA cell line (786-O) and normal human kidney cell line (HK-2) were used in cellular research. The expression level of miR-425 was detected in ccRCA tissues and cells, respectively. Target genes of miR-425 were predicted by bioinformatics and verified by luciferase reporter gene assay. Moreover, the role of miR-425 in regulating E2F6 as well as its effect on the proliferation and apoptosis of ccRCA cells were detected. RESULTS Quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR) results showed that the expression of miR-425 was significantly decreased in ccRCA tissues and cells. The proliferation ability and cell cycle of 786-O cells were significantly inhibited after miR-425 overexpression. The percentage of cells in G0/G1 phase was remarkably increased, while the percentage of cells in S and G2/M phases was significantly decreased. Besides, the number of apoptotic cells was significantly increased in the miR-425 intervention group. On-line target gene prediction software indicated that E2F6 was the potential downstream target gene of miR-425. RT-PCR, Western blotting and luciferase reporter gene assay demonstrated that the expression of E2F6 was negatively regulated by miR-425. In addition, subsequent experiments showed that the up-regulation of E2F6 could suppress the inhibitory effect of miR-425 on the proliferation and apoptosis of ccRCA cells. CONCLUSIONS Our research demonstrated the inhibitory function of miR-425 in ccRCA. Therefore, the miR-425/E2F6 axis was expected to be one of the targets of ccRCA targeted therapy.
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Affiliation(s)
- Q Cai
- Department of Urology, Tongde Hospital of Zhejiang Province, Hangzhou, China.
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30
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Mao W, Zhao A. The study of tumor associated exosomes in crosstalk between esophageal carcinoma and lymphatic endothelial cells. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz266.019] [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: 11/15/2022] Open
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31
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Zhao A, Yan J, Xu Y, Li G, Cheng X. Evaluation of CT-based radiomics in patients with renal cell carcinoma. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz268.059] [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: 11/12/2022] Open
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32
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Wang J, Yan D, Zhao A, Hou X, Zheng X, Chen P, Bao Y, Jia W, Hu C, Zhang ZL, Jia W. Discovery of potential biomarkers for osteoporosis using LC-MS/MS metabolomic methods. Osteoporos Int 2019; 30:1491-1499. [PMID: 30778642 DOI: 10.1007/s00198-019-04892-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [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: 10/11/2018] [Accepted: 02/04/2019] [Indexed: 10/27/2022]
Abstract
UNLABELLED Our study focused on the associations of metabolites with BMD and osteoporosis, finding that several metabolites are associated with BMD, and metabolites combined with bone turnover markers tend to be more sensitive in distinguishing osteoporosis in both males and postmenopausal females, which might be meaningful for the early diagnosis of osteoporosis. INTRODUCTION Our study aimed to evaluate the association of metabolites with bone, trying to find new metabolic markers that are distinguishing for low bone mineral density (BMD). METHODS Our study recruited 320 participants, including 138 males and 182 postmenopausal females from the Shanghai area. Bone turnover markers (BTMs), including osteocalcin, PINP and β-CTX, and other biochemical traits were tested. BMD values of the lumber spine (L1-4), femoral neck and total hip were determined using dual-energy X-ray absorptiometry and the serum metabolome profiles including 221 metabolites from five groups (acylcarnitines, amino acids, biogenic amines, glycerophospholipids, sphingolipids and hexose) were assessed by mass spectrometry. RESULTS No visual separation in the metabolic profiles between different BMD groups was observed in principal component analysis (PCA) or partial least squares discriminant analysis (PLS-DA) models. We compared metabolites in three groups with different BMD levels in males and postmenopausal females separately and further filtering these metabolites via random forest-based feature selection, a commonly applied machine learning algorithm which could select the features with the greatest impact on osteoporosis, then metabolites with the highest importance (≥ 5%) (5 in males and 9 in postmenopausal females) were selected to construct better models for osteoporosis classification. After adding these selected metabolites to the model, the area under the curve (AUC) of receiver operating characteristic (ROC) curves increased significantly (BTMs: AUC 0.729, 95% CI 0.647-0.802, p < 0.0001, model 1: AUC = 0.828, 95% CI 0.754-0.888, p < 0.0001; model 1 versus model of BTMs: p = 0.0158) compared to the AUC of the BTM-only model in males. Similar results were also observed in postmenopausal females (BTMs: AUC = 0.638, 95% CI 0.562-0.708, p = 0.0025; model 2: AUC = 0.741, 95% CI 0.669-0.803, p < 0.0001; model 1 versus model of BTMs: p = 0.0182). CONCLUSION Metabolites combined with traditional BTMs tend to better markers for distinguishing osteoporosis in both males and postmenopausal females than BTMs alone.
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Affiliation(s)
- J Wang
- Department of Osteoporosis, Metabolic Bone Disease and Genetic Research Unit, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
| | - D Yan
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
| | - A Zhao
- Center for Translational Medicine, and Shanghai Key Laboratory of Diabetes Mellitus, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
| | - X Hou
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
| | - X Zheng
- Center for Translational Medicine, and Shanghai Key Laboratory of Diabetes Mellitus, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
| | - P Chen
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
| | - Y Bao
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
| | - W Jia
- Center for Translational Medicine, and Shanghai Key Laboratory of Diabetes Mellitus, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
| | - C Hu
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
- Institute for Metabolic Disease, Fengxian Central Hospital Affiliated to Southern Medical University, Shanghai, 201499, China.
| | - Z-L Zhang
- Department of Osteoporosis, Metabolic Bone Disease and Genetic Research Unit, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
| | - W Jia
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, 200233, China
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Zhao A, Li Y, Orahoske CM, Schnur B, Sabbagh A, Zhang W, Li B, Su B. Lead optimization of selective tubulin inhibitors as anti-trypanosomal agents. Bioorg Med Chem 2019; 27:1517-1528. [PMID: 30833159 DOI: 10.1016/j.bmc.2019.02.049] [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] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 02/15/2019] [Accepted: 02/22/2019] [Indexed: 12/16/2022]
Abstract
Previously synthesized tubulin inhibitors showed promising in vitro selectivity and activity against Human African Trypanosomiasis. Current aim is to improve the ligand efficiency and reduce overall hydrophobicity of the compounds, by lead optimization. Via combinatorial chemistry, 60 new analogs were synthesized. For biological assay Trypanosoma brucei brucei Lister 427 cell line were used as the parasite model and for the host model human embryonic kidney cell line HEK-293 and mouse macrophage cell line RAW 264.7 were used to test efficacy. Of the newly synthesized compounds 5, 39, 40, and 57 exhibited IC50s below 5 µM inhibiting the growth of trypanosome cells and not harming the mammalian cells at equipotent concentration. Comparably, the newly synthesized compounds have a reduced amount of aromatic moieties resulting in a decrease in molecular weight. Due to importance of tubulin polymerization during protozoan life cycle its activity was assessed by western blot analyses. Our results indicated that compound 5 had a profound effect on tubulin function. A detailed structure activity relationship (SAR) was summarized that will be used to guide future lead optimization.
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Affiliation(s)
- Anran Zhao
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Yaxin Li
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Cody M Orahoske
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Brittny Schnur
- Department of Biology, Geo. & Env. Sciences, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Abboud Sabbagh
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Wenjing Zhang
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Bibo Li
- Department of Biology, Geo. & Env. Sciences, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA.
| | - Bin Su
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA.
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Li Y, Zhao A, Bond G, Varley K, Forero A, Lobuglio A. PO-487 Prognosis of triple negative breast cancer is associated with MHC II genes. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.989] [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: 11/03/2022] Open
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Zhang K, Li C, Weng X, Su J, Shen L, Pan G, Long D, Zhao A, Cui H. Transgenic characterization of two silkworm tissue-specific promoters in the haemocyte plasmatocyte cells. Insect Mol Biol 2018; 27:133-142. [PMID: 29131435 DOI: 10.1111/imb.12360] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Haemocytes play crucial roles in insect metabolism, metamorphosis, and innate immunity. As a model of lepidopteran insects, the silkworm is a useful model to study the functions of both haematopoiesis and haemocytes. Tissue-specific promoters are excellent tools for genetic manipulation and are widely used in fundamental biological research. Herein, two haemocyte-specific genes, Integrin β2 and Integrin β3, were confirmed. Promoter activities of Integrin β2 and Integrin β3 were evaluated by genetic manipulation. Quantitative real-time PCR and western blotting suggested that both promoters can drive enhanced green fluorescent protein (EGFP) specifically expressed in haemocytes. Further evidence clearly demonstrated that the transgenic silkworm exhibited a high level of EGFP signal in plasmatocytes, but not in other detected haemocyte types. Moreover, EGFP fluorescence signals were observed in the haematopoietic organ of both transgenic strains. Thus, two promoters that enable plasmatocytes to express genes of interest were confirmed in our study. It is expected that the results of this study will facilitate advances in our understanding of insect haematopoiesis and immunity in the silkworm, Bombyx mori.
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Affiliation(s)
- K Zhang
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
| | - C Li
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
| | - X Weng
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
- College of Biotechnology, Southwest University, Chongqing, China
| | - J Su
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
| | - L Shen
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
| | - G Pan
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
| | - D Long
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
| | - A Zhao
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
| | - H Cui
- State Key Laboratory of Silkworm Genome Biology, The Institute of Sericulture and Systems Biology, Southwest University, Chongqing, China
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Chang C, Liu BH, Liu AP, Wang YL, Ji Y, Zhang HM, Zhao A, Ma DF, Shi YH, Sun XY. [A study and practice on public health education and teaching reform for the students in clinical medicine science]. Zhonghua Yu Fang Yi Xue Za Zhi 2018; 52:312-314. [PMID: 29973014 DOI: 10.3760/cma.j.issn.0253-9624.2018.03.018] [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)
- C Chang
- Peking University Health Science Center, Beijing 100191, China
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Zhao A, Zheng Q, Orahoske CM, Idippily ND, Ashcraft MM, Quamine A, Su B. Synthesis and biological evaluation of anti-cancer agents that selectively inhibit Her2 over-expressed breast cancer cell growth via down-regulation of Her2 protein. Bioorg Med Chem Lett 2018; 28:727-731. [PMID: 29352646 DOI: 10.1016/j.bmcl.2018.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 01/08/2018] [Accepted: 01/11/2018] [Indexed: 11/17/2022]
Abstract
Compound JCC76 selectively inhibited the proliferation of human epidermal growth factor 2 (Her2) over-expressed breast cancer cells. In the current study, a ligand based structural optimization was performed to generate new analogs, and we identified derivatives 16 and 17 that showed improved activity and selectivity against Her2 positive breast cancer cells. A structure activity relationship (SAR) was summarized. Compounds 16 and 17 were also examined by western blot assay to check their effect on Her2 protein. The results reveal that the compounds could decrease the Her2 protein, which explains their selectivity to Her2 over-expressed breast cancer cells. Furthermore, the compounds inhibited the chaperone activity of small chaperone protein that could stabilize Her2 protein.
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Affiliation(s)
- Anran Zhao
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Qiaoyun Zheng
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Cody M Orahoske
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Nethrie D Idippily
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Morgan M Ashcraft
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Aicha Quamine
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Bin Su
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA.
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He W, Zhao A, Zou J, Luo X, Lin X, Wang L, Lin C. Synthesis, in vitro coagulation activities and molecular docking studies on three L-histidine amide derivatives. Chem Res Chin Univ 2018. [DOI: 10.1007/s40242-018-7184-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Nong W, Zhao A, Wei J, Cheng H, Luo X, Lin C. Synthesis of a series of benzothiazole amide derivatives and their biological evaluation as potent hemostatic agents. RSC Adv 2018; 8:6231-6241. [PMID: 35540377 PMCID: PMC9078235 DOI: 10.1039/c7ra13397a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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: 12/17/2017] [Accepted: 01/29/2018] [Indexed: 02/02/2023] Open
Abstract
A series of benzothiazole amide derivatives were synthesized through a facile and efficient method via a nucleophilic acyl substitution reaction between 2-aminobenzothiazole and various cinnamic acid compounds. The obtained products exhibited good thermal stabilities. All compounds were evaluated for their in vitro hemostatic activities using the commercially available standard drug etamsylate as a positive control. The results showed that compound Q2 had a significant partial coagulation activity, reduced capillary permeability at 5, 10 and 50 μmol L−1, activated thrombin activity, and a more potent platelet aggregation activity than the positive control group (etamsylate, up to 1283.9 times in the nanomole range). A molecular modeling study revealed that compound Q2 was a competitive thrombin activator. Therefore, Q2 may be a potential lead for further biological screening and for the generation of drug molecules. Moreover, the structure–activity relationship of the prepared compounds is also discussed herein. New benzothiazole amide derivative Q2 is a potential hemostatic drug molecule with good hemostatic activity.![]()
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Affiliation(s)
- Wenqian Nong
- Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development
- School of Chemistry & Chemical Engineer, Guangxi University
- Nanning
- China
| | - Anran Zhao
- Department of Chemistry
- Cleveland State University
- Cleveland
- USA
| | - Jinrui Wei
- Guangxi Scientific Research Center of Traditional Chinese Medicine
- Guangxi University of Chinese Medicine
- Nanning
- PR China
| | - Hui Cheng
- Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development
- School of Chemistry & Chemical Engineer, Guangxi University
- Nanning
- China
| | - Xuan Luo
- Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development
- School of Chemistry & Chemical Engineer, Guangxi University
- Nanning
- China
| | - Cuiwu Lin
- Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development
- School of Chemistry & Chemical Engineer, Guangxi University
- Nanning
- China
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Abstract
OBJECTIVES There has been recent interest in spicy foods and their bioactive ingredients for cardiovascular health. This study aims to explore relationship between spicy food consumption frequency and serum lipid profiles in a cross-sectional sample of older Chinese from China Health and Nutrition Survey (CHNS). METHODS A total of 1549 participant aged 65 years and above from CHNS 2009 were included in the analysis. Information on spicy food consumption was obtained using a questionnaire survey and 24h dietary recalls over three consecutive days combined with weighted food inventory. Fasting blood samples were analyzed for total cholesterol (TC), triglycerides, high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), apolipoprotein A1 (apoA1) and apolipoprotein B (apoB). Correlations between spicy food consumption frequency and serum lipid profiles were evaluated by multivariate linear regression models. RESULTS The result shows a significant positive association between frequency of spicy food consumption estimated by the frequency question and daily spicy food intake calculated from 24h recall. After adjustment for potential lifestyle and dietary confounding factors, men with higher frequency of spicy food consumption showed higher apoA1 level, and lower ratio of LDL-C/apoB (p for trend <0.05). For female, frequency of spicy food consumption was significantly associated with TC, LDL-C, apoB, LDL-C/HDL-C, and apoB/apoA1 in an inverse manner, and positively correlated with apoA1 level (p for trend <0.05). CONCLUSION In this study with Chinese aged 65y and above, increased spicy food consumption frequency may favorably associated with some risk factors for cardiovascular diseases.
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Affiliation(s)
- K Yu
- Yumei Zhang, 38 Xueyuan Road, Haidian District, Beijing 100191, China, E-Mail: ; Tel.: +86-10-82801575; Fax: +86-10-62059551
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Nong W, Zhao A, Wei J, Lin X, Wang L, Lin C. Synthesis and biological evaluation of a new series of cinnamic acid amide derivatives as potent haemostatic agents containing a 2-aminothiazole substructure. Bioorg Med Chem Lett 2017; 27:4506-4511. [PMID: 28844387 DOI: 10.1016/j.bmcl.2017.07.058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 07/15/2017] [Accepted: 07/21/2017] [Indexed: 11/16/2022]
Abstract
Ten new cinnamic acid derivatives containing a 2-aminothiazole substructure were designed and synthesized. This series of compounds exhibited good thermostabilities as demonstrated by thermogravimetric analysis. In coagulation assays (prothrombin time, activated partial thromboplastin time and thrombin time) in vitro, most compounds demonstrated excellent activities to promote blood coagulation. Among the studied series, compounds N1, N4, N5 and W5 exhibited a significant coagulation activity. Further studies indicated that compound N5 (IC50=1.87μmol/L) displayed the most suitable efficacy of promoting platelet aggregation than the clinically used haemostatic drug etamsylate (IC50=46.22μmol/L). Furthermore, the relationship between the functional groups of the compounds and the corresponding blood coagulant activity was explored in this study.
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Affiliation(s)
- Wenqian Nong
- Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry & Chemical Engineer in Guangxi University, Nanning 530004, China
| | - Anran Zhao
- Department of Chemistry, Cleveland State University, 2121 Euclid Avenue, Cleveland, OH 44115, United States
| | - Jinrui Wei
- Guangxi Scientific Research Center of Traditional Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, Guangxi 530200, China
| | - Xiao Lin
- Guangxi Key Laboratory of Traditional Chinese Medicine Quality Standards, Guangxi Institute of Traditional Medical and Pharmaceutical Sciences, Nanning 530022, China
| | - Lisheng Wang
- Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry & Chemical Engineer in Guangxi University, Nanning 530004, China
| | - Cuiwu Lin
- Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry & Chemical Engineer in Guangxi University, Nanning 530004, China.
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Yang X, Sun L, Zhao A, Hu X, Qing Y, Jiang J, Yang C, Xu T, Wang P, Liu J, Zhang J, He L, Jia W, Wan C. Serum fatty acid patterns in patients with schizophrenia: a targeted metabonomics study. Transl Psychiatry 2017; 7:e1176. [PMID: 28742081 PMCID: PMC5538128 DOI: 10.1038/tp.2017.152] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 04/25/2017] [Accepted: 06/07/2017] [Indexed: 12/21/2022] Open
Abstract
Previous studies have indicated that schizophrenia is linked to abnormal lipid metabolism. Free fatty acids (FFAs) in peripheral blood can reflect the status of lipid metabolism in human body. The purpose of this study was to scan the FFA pattern and elucidate the characteristics of lipid metabolic abnormality in schizophrenia patients. One hundred and ten patients with schizophrenia (SCZs) and 109 healthy controls (HCs) were included in the study and divided into a discovery set and a validation set. Forty-seven serum FFAs were detected by UPLC-QTOF-MS and 39 of them were absolutely quantified by establishing standard curves. Monounsaturated fatty acids (MUFAs) and ω-6 polyunsaturated fatty acids (ω-6 PUFAs) were significantly increased in SCZs compared with HCs. Desaturation from saturated fatty acids to MUFAs and β-oxidation were enhanced, as estimated by the ratios of products to precursors. These results suggest that lipolysis and β-oxidation are upregulated in SCZ, presumably resulting from insufficient brain energy supply.
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Affiliation(s)
- X Yang
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - L Sun
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - A Zhao
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - X Hu
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - Y Qing
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - J Jiang
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - C Yang
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - T Xu
- Discipline of Neuroscience, Department of Anatomy, Histology and Embryology, Collaborative Innovation Center for Brain Science, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - P Wang
- The Fourth People’s Hospital of Wuhu, Wuhu, China
| | - J Liu
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - J Zhang
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - L He
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - W Jia
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China,Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China E-mail:
| | - C Wan
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Key Laboratory of Translational Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China,Collaborative Innovation Center of Genetics and Development, Shanghai, China,Bio-X Institutes, Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai 200030, China. E-mail:
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Zhao A, Zheng L, Casus M, Judd P, Finn M, Ho M, Jaffer A, Kamal S, Lappan-Gracon S, McAllister M, Oliver K, Warmington K, Talarico S. IT’S NOT JUST A TOOTH: A POSTER CAMPAIGN TO PROMOTE ORAL HEALTH AT SICKKIDS. Paediatr Child Health 2017. [DOI: 10.1093/pch/pxx086.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Bobba V, Nanavaty V, Idippily ND, Zhao A, Li B, Su B. Synthesis and biological evaluation of selective tubulin inhibitors as anti-trypanosomal agents. Bioorg Med Chem 2017; 25:3215-3222. [PMID: 28428042 DOI: 10.1016/j.bmc.2017.04.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 03/30/2017] [Accepted: 04/05/2017] [Indexed: 11/28/2022]
Abstract
African trypanosomiasis is still a threat to human health due to the severe side-effects of current drugs. We identified selective tubulin inhibitors that showed the promise to the treatment of this disease, which was based on the tubulin protein structural difference between mammalian and trypanosome cells. Further lead optimization was performed in the current study to improve the efficiency of the drug candidates. We used Trypanosoma brucei brucei cells as the parasite model, and human normal kidney cells and mouse macrophage cells as the host model to evaluate the compounds. One new analog showed great potency with an IC50 of 70nM to inhibit the growth of trypanosome cells and did not affect the viability of mammalian cells. Western blot analyses reveal that the compound decreased tubulin polymerization in T. brucei cells. A detailed structure activity relationship (SAR) was summarized that will be used to guide future lead optimization.
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Affiliation(s)
- Viharika Bobba
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Vishal Nanavaty
- Department of Biology, Geo. & Env. Sciences, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Nethrie D Idippily
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Anran Zhao
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Bibo Li
- Department of Biology, Geo. & Env. Sciences, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA.
| | - Bin Su
- Department of Chemistry, Center for Gene Regulation in Health and Disease, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA.
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Wang A, Swinford C, Zhao A, Ramos ED, Gregory RL, Srinivasan M. A Case-Control Study to Determine the Prognostic Features of Salivary Epithelial Cells in Periodontitis. JDR Clin Trans Res 2016; 1:256-265. [PMID: 30931739 DOI: 10.1177/2380084416653596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 01/21/2023] Open
Abstract
Periodontitis-a biofilm-induced immunoinflammatory pathology-often progresses gradually, exhibiting periodic bursts and resolution. Exfoliating oral epithelial cells act as reservoirs for key periodontal pathogens, facilitating reinfection or infection of new sites. Since saliva is a rich source of oral epithelial cells, we hypothesized that the microbial and functional profile of salivary epithelial cells (SECs) will reflect the in situ host response and disease severity. We used a case-control study design. Unstimulated whole saliva was collected from 20 chronic periodontitis patients and 20 healthy controls in accordance with the institutional review board. The isolated SECs were assessed for viability by trypan blue exclusion. Gram-stained SECs were analyzed by ImageJ, and Gram stain index (GSI) per SEC was calculated. Equal numbers of SECs from each sample were exposed to 2 periodontal pathogens- Porphyromonas gingivalis and Fusobacterium nucleatum-in biofilm or planktonic formulations at varying proportions. Cytokines in culture supernatants were assessed by ELISA (enzyme-linked immunosorbent assay). Additionally, soluble Toll-like receptor 2 (sTLR-2)-a pattern recognition receptor capable of binding microbial ligands associated with periodontitis-was measured in clarified saliva by ELISA. An increased number of SECs, a higher GSI/SEC, and a lower sTLR-2 were observed in periodontitis saliva as compared with healthy saliva. SECs from periodontitis saliva secreted higher amounts of interleukin 8 in response to P. gingivalis, and the presence of F. nucleatum dampened the response. Nonsurgical periodontal treatment improved clinical parameters, reduced the number of SECs, decreased GSI/SEC, and increased sTLR-2 in clarified saliva. In conclusion, our data suggest that SECs can provide a phenotypically distinct individualized resource for assessing epithelial response to pathogens in the course of periodontal disease. Furthermore, correlation between the sTLR-2 and GSI/SEC suggests that the expression profile of epithelial and soluble Toll-like receptor could provide an indirect measure of periodontal disease-associated dysbiosis. Knowledge Transfer Statement: The results of this study can be used for prognostic evaluation of chronic periodontitis in response to therapy and provide an opportunity for early identification of poor responders. A chip-based simple test incorporating the identified salivary epithelial cell characteristics can be developed and validated for future clinical applications, especially for monitoring patients with increased susceptibility for refractory and/or recurrent periodontitis.
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Affiliation(s)
- A Wang
- 1 Department of Oral Pathology, Medicine and Radiology, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - C Swinford
- 1 Department of Oral Pathology, Medicine and Radiology, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - A Zhao
- 1 Department of Oral Pathology, Medicine and Radiology, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - E D Ramos
- 2 Department of Periodontics and Allied Health, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - R L Gregory
- 3 Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - M Srinivasan
- 1 Department of Oral Pathology, Medicine and Radiology, Indiana University School of Dentistry, Indianapolis, IN, USA
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Zhao A, Diener T, Gao S, Greskovich J, Wilkinson D. SU-G-TeP2-07: Dosimetric Characterization of a New HDR Multi-Channel Esophageal Applicator for Brachytherapy. Med Phys 2016. [DOI: 10.1118/1.4957042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Adamson P, Ader C, Andrews M, Anfimov N, Anghel I, Arms K, Arrieta-Diaz E, Aurisano A, Ayres DS, Backhouse C, Baird M, Bambah BA, Bays K, Bernstein R, Betancourt M, Bhatnagar V, Bhuyan B, Bian J, Biery K, Blackburn T, Bocean V, Bogert D, Bolshakova A, Bowden M, Bower C, Broemmelsiek D, Bromberg C, Brunetti G, Bu X, Butkevich A, Capista D, Catano-Mur E, Chase TR, Childress S, Choudhary BC, Chowdhury B, Coan TE, Coelho JAB, Colo M, Cooper J, Corwin L, Cronin-Hennessy D, Cunningham A, Davies GS, Davies JP, Del Tutto M, Derwent PF, Deepthi KN, Demuth D, Desai S, Deuerling G, Devan A, Dey J, Dharmapalan R, Ding P, Dixon S, Djurcic Z, Dukes EC, Duyang H, Ehrlich R, Feldman GJ, Felt N, Fenyves EJ, Flumerfelt E, Foulkes S, Frank MJ, Freeman W, Gabrielyan M, Gallagher HR, Gebhard M, Ghosh T, Gilbert W, Giri A, Goadhouse S, Gomes RA, Goodenough L, Goodman MC, Grichine V, Grossman N, Group R, Grudzinski J, Guarino V, Guo B, Habig A, Handler T, Hartnell J, Hatcher R, Hatzikoutelis A, Heller K, Howcroft C, Huang J, Huang X, Hylen J, Ishitsuka M, Jediny F, Jensen C, Jensen D, Johnson C, Jostlein H, Kafka GK, Kamyshkov Y, Kasahara SMS, Kasetti S, Kephart K, Koizumi G, Kotelnikov S, Kourbanis I, Krahn Z, Kravtsov V, Kreymer A, Kulenberg C, Kumar A, Kutnink T, Kwarciancy R, Kwong J, Lang K, Lee A, Lee WM, Lee K, Lein S, Liu J, Lokajicek M, Lozier J, Lu Q, Lucas P, Luchuk S, Lukens P, Lukhanin G, Magill S, Maan K, Mann WA, Marshak ML, Martens M, Martincik J, Mason P, Matera K, Mathis M, Matveev V, Mayer N, McCluskey E, Mehdiyev R, Merritt H, Messier MD, Meyer H, Miao T, Michael D, Mikheyev SP, Miller WH, Mishra SR, Mohanta R, Moren A, Mualem L, Muether M, Mufson S, Musser J, Newman HB, Nelson JK, Niner E, Norman A, Nowak J, Oksuzian Y, Olshevskiy A, Oliver J, Olson T, Paley J, Pandey P, Para A, Patterson RB, Pawloski G, Pearson N, Perevalov D, Pershey D, Peterson E, Petti R, Phan-Budd S, Piccoli L, Pla-Dalmau A, Plunkett RK, Poling R, Potukuchi B, Psihas F, Pushka D, Qiu X, Raddatz N, Radovic A, Rameika RA, Ray R, Rebel B, Rechenmacher R, Reed B, Reilly R, Rocco D, Rodkin D, Ruddick K, Rusack R, Ryabov V, Sachdev K, Sahijpal S, Sahoo H, Samoylov O, Sanchez MC, Saoulidou N, Schlabach P, Schneps J, Schroeter R, Sepulveda-Quiroz J, Shanahan P, Sherwood B, Sheshukov A, Singh J, Singh V, Smith A, Smith D, Smolik J, Solomey N, Sotnikov A, Sousa A, Soustruznik K, Stenkin Y, Strait M, Suter L, Talaga RL, Tamsett MC, Tariq S, Tas P, Tesarek RJ, Thayyullathil RB, Thomsen K, Tian X, Tognini SC, Toner R, Trevor J, Tzanakos G, Urheim J, Vahle P, Valerio L, Vinton L, Vrba T, Waldron AV, Wang B, Wang Z, Weber A, Wehmann A, Whittington D, Wilcer N, Wildberger R, Wildman D, Williams K, Wojcicki SG, Wood K, Xiao M, Xin T, Yadav N, Yang S, Zadorozhnyy S, Zalesak J, Zamorano B, Zhao A, Zirnstein J, Zwaska R. First Measurement of Electron Neutrino Appearance in NOvA. Phys Rev Lett 2016; 116:151806. [PMID: 27127961 DOI: 10.1103/physrevlett.116.151806] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Indexed: 06/05/2023]
Abstract
We report results from the first search for ν_{μ}→ν_{e} transitions by the NOvA experiment. In an exposure equivalent to 2.74×10^{20} protons on target in the upgraded NuMI beam at Fermilab, we observe 6 events in the Far Detector, compared to a background expectation of 0.99±0.11(syst) events based on the Near Detector measurement. A secondary analysis observes 11 events with a background of 1.07±0.14(syst). The 3.3σ excess of events observed in the primary analysis disfavors 0.1π<δ_{CP}<0.5π in the inverted mass hierarchy at the 90% C.L.
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Affiliation(s)
- P Adamson
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - C Ader
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Andrews
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - N Anfimov
- Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia
| | - I Anghel
- Argonne National Laboratory, Argonne, Illinois 60439, USA
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - K Arms
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - E Arrieta-Diaz
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - A Aurisano
- Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - D S Ayres
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - C Backhouse
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Baird
- Indiana University, Bloomington, Indiana 47405, USA
| | - B A Bambah
- School of Physics, University of Hyderabad, Hyderabad 500 046, India
| | - K Bays
- California Institute of Technology, Pasadena, California 91125, USA
| | - R Bernstein
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Betancourt
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - V Bhatnagar
- Department of Physics, Panjab University, Chandigarh 106 014, India
| | - B Bhuyan
- Department of Physics, IIT Guwahati, Guwahati 781 039, India
| | - J Bian
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - K Biery
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - T Blackburn
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - V Bocean
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Bogert
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Bolshakova
- Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia
| | - M Bowden
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - C Bower
- Indiana University, Bloomington, Indiana 47405, USA
| | - D Broemmelsiek
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - C Bromberg
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - G Brunetti
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - X Bu
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Butkevich
- Institute for Nuclear Research of Russian Academy of Sciences, 7a 60th October Anniversary Prospect, Moscow 117312, Russia
| | - D Capista
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - E Catano-Mur
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - T R Chase
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - S Childress
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - B C Choudhary
- Department of Physics & Astrophysics, University of Delhi, Delhi 110007, India
| | - B Chowdhury
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - T E Coan
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - J A B Coelho
- Department of Physics and Astonomy, Tufts University, Medford, Massachusetts 02155, USA
| | - M Colo
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - J Cooper
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - L Corwin
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - D Cronin-Hennessy
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - A Cunningham
- Physics Department, University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75083-0688, USA
| | - G S Davies
- Indiana University, Bloomington, Indiana 47405, USA
| | - J P Davies
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - M Del Tutto
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P F Derwent
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - K N Deepthi
- School of Physics, University of Hyderabad, Hyderabad 500 046, India
| | - D Demuth
- Math, Science and Technology Department, University of Minnesota-Crookston, Crookston, Minnesota 56716, USA
| | - S Desai
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - G Deuerling
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Devan
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - J Dey
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Dharmapalan
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - P Ding
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S Dixon
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - Z Djurcic
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - E C Dukes
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - H Duyang
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - R Ehrlich
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - G J Feldman
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - N Felt
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - E J Fenyves
- Physics Department, University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75083-0688, USA
| | - E Flumerfelt
- Department of Physics and Astronomy, University of Tennessee, 1408 Circle Drive, Knoxville, Tennessee 37996, USA
| | - S Foulkes
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M J Frank
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - W Freeman
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Gabrielyan
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - H R Gallagher
- Department of Physics and Astonomy, Tufts University, Medford, Massachusetts 02155, USA
| | - M Gebhard
- Indiana University, Bloomington, Indiana 47405, USA
| | - T Ghosh
- Instituto de Física, Universidade Federal de Goiás, Goiánia, Goiás 74690-900, Brazil
| | - W Gilbert
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - A Giri
- Department of Physics, IIT Hyderabad, Hyderabad 502 205, India
| | - S Goadhouse
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - R A Gomes
- Instituto de Física, Universidade Federal de Goiás, Goiánia, Goiás 74690-900, Brazil
| | - L Goodenough
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - M C Goodman
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - V Grichine
- Nuclear Physics Department, Lebedev Physical Institute, Leninsky Prospect 53, 119991 Moscow, Russia
| | - N Grossman
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Group
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - J Grudzinski
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - V Guarino
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - B Guo
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - A Habig
- Department of Physics and Astronomy, University of Minnesota-Duluth, Duluth, Minnesota 55812, USA
| | - T Handler
- Department of Physics and Astronomy, University of Tennessee, 1408 Circle Drive, Knoxville, Tennessee 37996, USA
| | - J Hartnell
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - R Hatcher
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Hatzikoutelis
- Department of Physics and Astronomy, University of Tennessee, 1408 Circle Drive, Knoxville, Tennessee 37996, USA
| | - K Heller
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - C Howcroft
- California Institute of Technology, Pasadena, California 91125, USA
| | - J Huang
- Department of Physics, University of Texas at Austin, 1 University Station C1600, Austin, Texas 78712, USA
| | - X Huang
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - J Hylen
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Ishitsuka
- Indiana University, Bloomington, Indiana 47405, USA
| | - F Jediny
- Czech Technical University in Prague, Brehova 7, 115 19 Prague 1, Czech Republic
| | - C Jensen
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Jensen
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - C Johnson
- Indiana University, Bloomington, Indiana 47405, USA
| | - H Jostlein
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - G K Kafka
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - Y Kamyshkov
- Department of Physics and Astronomy, University of Tennessee, 1408 Circle Drive, Knoxville, Tennessee 37996, USA
| | - S M S Kasahara
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - S Kasetti
- School of Physics, University of Hyderabad, Hyderabad 500 046, India
| | - K Kephart
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - G Koizumi
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S Kotelnikov
- Nuclear Physics Department, Lebedev Physical Institute, Leninsky Prospect 53, 119991 Moscow, Russia
| | - I Kourbanis
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - Z Krahn
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - V Kravtsov
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - A Kreymer
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - Ch Kulenberg
- Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia
| | - A Kumar
- Department of Physics, Panjab University, Chandigarh 106 014, India
| | - T Kutnink
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - R Kwarciancy
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J Kwong
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - K Lang
- Department of Physics, University of Texas at Austin, 1 University Station C1600, Austin, Texas 78712, USA
| | - A Lee
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - W M Lee
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - K Lee
- Physics and Astronomy Department, UCLA, Box 951547, Los Angeles, California 90095-1547, USA
| | - S Lein
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - J Liu
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - M Lokajicek
- Institute of Physics, Czech Academy of Sciences, Prague, Czech Republic
| | - J Lozier
- California Institute of Technology, Pasadena, California 91125, USA
| | - Q Lu
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P Lucas
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S Luchuk
- Institute for Nuclear Research of Russian Academy of Sciences, 7a 60th October Anniversary Prospect, Moscow 117312, Russia
| | - P Lukens
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - G Lukhanin
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S Magill
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - K Maan
- Department of Physics, Panjab University, Chandigarh 106 014, India
| | - W A Mann
- Department of Physics and Astonomy, Tufts University, Medford, Massachusetts 02155, USA
| | - M L Marshak
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - M Martens
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J Martincik
- Czech Technical University in Prague, Brehova 7, 115 19 Prague 1, Czech Republic
| | - P Mason
- Department of Physics and Astronomy, University of Tennessee, 1408 Circle Drive, Knoxville, Tennessee 37996, USA
| | - K Matera
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Mathis
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - V Matveev
- Institute for Nuclear Research of Russian Academy of Sciences, 7a 60th October Anniversary Prospect, Moscow 117312, Russia
| | - N Mayer
- Department of Physics and Astonomy, Tufts University, Medford, Massachusetts 02155, USA
| | - E McCluskey
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Mehdiyev
- Department of Physics, University of Texas at Austin, 1 University Station C1600, Austin, Texas 78712, USA
| | - H Merritt
- Indiana University, Bloomington, Indiana 47405, USA
| | - M D Messier
- Indiana University, Bloomington, Indiana 47405, USA
| | - H Meyer
- Physics Division, Wichita State University, 1845 Fairmout Street, Wichita, Kansas 67220, USA
| | - T Miao
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Michael
- California Institute of Technology, Pasadena, California 91125, USA
| | - S P Mikheyev
- Institute for Nuclear Research of Russian Academy of Sciences, 7a 60th October Anniversary Prospect, Moscow 117312, Russia
| | - W H Miller
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - S R Mishra
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - R Mohanta
- School of Physics, University of Hyderabad, Hyderabad 500 046, India
| | - A Moren
- Department of Physics and Astronomy, University of Minnesota-Duluth, Duluth, Minnesota 55812, USA
| | - L Mualem
- California Institute of Technology, Pasadena, California 91125, USA
| | - M Muether
- Physics Division, Wichita State University, 1845 Fairmout Street, Wichita, Kansas 67220, USA
| | - S Mufson
- Indiana University, Bloomington, Indiana 47405, USA
| | - J Musser
- Indiana University, Bloomington, Indiana 47405, USA
| | - H B Newman
- California Institute of Technology, Pasadena, California 91125, USA
| | - J K Nelson
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - E Niner
- Indiana University, Bloomington, Indiana 47405, USA
| | - A Norman
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J Nowak
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - Y Oksuzian
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - A Olshevskiy
- Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia
| | - J Oliver
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - T Olson
- Department of Physics and Astonomy, Tufts University, Medford, Massachusetts 02155, USA
| | - J Paley
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P Pandey
- Department of Physics & Astrophysics, University of Delhi, Delhi 110007, India
| | - A Para
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R B Patterson
- California Institute of Technology, Pasadena, California 91125, USA
| | - G Pawloski
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - N Pearson
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - D Perevalov
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Pershey
- California Institute of Technology, Pasadena, California 91125, USA
| | - E Peterson
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - R Petti
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - S Phan-Budd
- Department of Physics, Winona State University, P.O. Box 5838, Winona, Minnesota 55987, USA
| | - L Piccoli
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - A Pla-Dalmau
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R K Plunkett
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Poling
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - B Potukuchi
- Department of Physics and Electronics, University of Jammu, Jammu Tawi, 180 006 Jammu & Kashmir, India
| | - F Psihas
- Indiana University, Bloomington, Indiana 47405, USA
| | - D Pushka
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - X Qiu
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - N Raddatz
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - A Radovic
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - R A Rameika
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Ray
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - B Rebel
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Rechenmacher
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - B Reed
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - R Reilly
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Rocco
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - D Rodkin
- Institute for Nuclear Research of Russian Academy of Sciences, 7a 60th October Anniversary Prospect, Moscow 117312, Russia
| | - K Ruddick
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - R Rusack
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - V Ryabov
- Nuclear Physics Department, Lebedev Physical Institute, Leninsky Prospect 53, 119991 Moscow, Russia
| | - K Sachdev
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - S Sahijpal
- Department of Physics, Panjab University, Chandigarh 106 014, India
| | - H Sahoo
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - O Samoylov
- Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia
| | - M C Sanchez
- Argonne National Laboratory, Argonne, Illinois 60439, USA
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - N Saoulidou
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P Schlabach
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J Schneps
- Department of Physics and Astonomy, Tufts University, Medford, Massachusetts 02155, USA
| | - R Schroeter
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - J Sepulveda-Quiroz
- Argonne National Laboratory, Argonne, Illinois 60439, USA
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - P Shanahan
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - B Sherwood
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - A Sheshukov
- Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia
| | - J Singh
- Department of Physics, Panjab University, Chandigarh 106 014, India
| | - V Singh
- Department of Physics, Banaras Hindu University, Varanasi 221 005, India
| | - A Smith
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - D Smith
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - J Smolik
- Czech Technical University in Prague, Brehova 7, 115 19 Prague 1, Czech Republic
| | - N Solomey
- Physics Division, Wichita State University, 1845 Fairmout Street, Wichita, Kansas 67220, USA
| | - A Sotnikov
- Joint Institute for Nuclear Research Joliot-Curie, 6 Dubna, Moscow Region 141980, Russia
| | - A Sousa
- Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - K Soustruznik
- Charles University in Prague, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - Y Stenkin
- Institute for Nuclear Research of Russian Academy of Sciences, 7a 60th October Anniversary Prospect, Moscow 117312, Russia
| | - M Strait
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - L Suter
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - R L Talaga
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - M C Tamsett
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - S Tariq
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - P Tas
- Charles University in Prague, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - R J Tesarek
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R B Thayyullathil
- Department of Physics, Cochin University of Science and Technology, Kochi 682 022, India
| | - K Thomsen
- Department of Physics and Astronomy, University of Minnesota-Duluth, Duluth, Minnesota 55812, USA
| | - X Tian
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - S C Tognini
- Instituto de Física, Universidade Federal de Goiás, Goiánia, Goiás 74690-900, Brazil
| | - R Toner
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
| | - J Trevor
- California Institute of Technology, Pasadena, California 91125, USA
| | - G Tzanakos
- Department of Physics, University of Athens, Athens 15771, Greece
| | - J Urheim
- Indiana University, Bloomington, Indiana 47405, USA
| | - P Vahle
- Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
| | - L Valerio
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - L Vinton
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - T Vrba
- Czech Technical University in Prague, Brehova 7, 115 19 Prague 1, Czech Republic
| | - A V Waldron
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - B Wang
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - Z Wang
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - A Weber
- Subdepartment of Particle Physics, University of Oxford, Oxford OX1 3RH, United Kingdom
- Rutherford Appleton Laboratory, Science and Technology Facilities Council, Didcot OX11 0QX, United Kingdom
| | - A Wehmann
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | | | - N Wilcer
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R Wildberger
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - D Wildman
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - K Williams
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S G Wojcicki
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - K Wood
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - M Xiao
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - T Xin
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
| | - N Yadav
- Department of Physics, IIT Guwahati, Guwahati 781 039, India
| | - S Yang
- Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221, USA
| | - S Zadorozhnyy
- Institute for Nuclear Research of Russian Academy of Sciences, 7a 60th October Anniversary Prospect, Moscow 117312, Russia
| | - J Zalesak
- Institute of Physics, Czech Academy of Sciences, Prague, Czech Republic
| | - B Zamorano
- Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
| | - A Zhao
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - J Zirnstein
- School of Physics and Astronomy, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA
| | - R Zwaska
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
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Nanavaty V, Lama R, Sandhu R, Zhong B, Kulman D, Bobba V, Zhao A, Li B, Su B. Orally Active and Selective Tubulin Inhibitors as Anti-Trypanosome Agents. PLoS One 2016; 11:e0146289. [PMID: 26771307 PMCID: PMC4714897 DOI: 10.1371/journal.pone.0146289] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [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: 10/22/2015] [Accepted: 12/15/2015] [Indexed: 11/21/2022] Open
Abstract
Objectives There is an urgent need to develop a safe, effective, orally active, and inexpensive therapy for African trypanosomiasis due to the drawbacks of current drugs. Selective tubulin inhibitors have the potential to be promising drug candidates for the treatment of this disease, which is based on the tubulin protein structural difference between mammalian and trypanosome cells. We propose to identify novel tubulin inhibitors from a compound library developed based on the lead compounds that selectively target trypanosomiasis. Methods We used Trypanosoma brucei brucei as the parasite model, and human normal kidney cells and mouse microphage cells as the host model. Growth rates of both trypanosomes and mammalian cells were determined as a means to screen compounds that selectively inhibit the proliferation of parasites. Furthermore, we examined the cell cycle profile of the parasite and compared tubulin polymerization dynamics before and after the treatment using identified compounds. Last, in vivo anti-parasite activities of these compounds were determined in T. brucei-infected mice. Results Three compounds were selected that are 100 fold more effective against the growth of T. brucei cells than mammalian cells. These compounds caused cell cycle progression defects in T. brucei cells. Western analyses indicated that these compounds decreased tubulin polymerization in T. brucei cells. The in vivo investigation revealed that these compounds, when admitted orally, inhibited T. brucei cell proliferation in mouse blood. However, they were not potent enough to clear up the infection completely. Conclusions These compounds are promising lead compounds as orally active agents for drug development of anti-trypanosome agents. A more detail structure activity relationship (SAR) was summarized that will be used to guide future lead optimization to improve the selectivity and potency of the current compounds.
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Affiliation(s)
- Vishal Nanavaty
- Department of Biology, Geo. & Env. Sciences, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
| | - Rati Lama
- Department of Chemistry, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
| | - Ranjodh Sandhu
- Department of Biology, Geo. & Env. Sciences, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
| | - Bo Zhong
- Department of Chemistry, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
| | - Daniel Kulman
- Department of Biology, Geo. & Env. Sciences, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
| | - Viharika Bobba
- Department of Chemistry, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
| | - Anran Zhao
- Department of Chemistry, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
| | - Bibo Li
- Department of Biology, Geo. & Env. Sciences, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America.,Center for Gene Regulation in Health and Disease, College of Sciences & Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
| | - Bin Su
- Department of Chemistry, College of Sciences and Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America.,Center for Gene Regulation in Health and Disease, College of Sciences & Health Professions, Cleveland State University, 2121 Euclid Avenue, Cleveland, Ohio, 44115, United States of America
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TruneČka P, Klempnauer J, Bechstein WO, Pirenne J, Friman S, Zhao A, Isoniemi H, Rostaing L, Settmacher U, Mönch C, Brown M, Undre N, Tisone G. Renal Function in De Novo Liver Transplant Recipients Receiving Different Prolonged-Release Tacrolimus Regimens-The DIAMOND Study. Am J Transplant 2015; 15:1843-54. [PMID: 25707487 PMCID: PMC5024030 DOI: 10.1111/ajt.13182] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Accepted: 12/21/2014] [Indexed: 01/25/2023]
Abstract
UNLABELLED DIAMOND: multicenter, 24-week, randomized trial investigating the effect of different once-daily, prolonged-release tacrolimus dosing regimens on renal function after de novo liver transplantation. Arm 1: prolonged-release tacrolimus (initial dose 0.2mg/kg/day); Arm 2: prolonged-release tacrolimus (0.15-0.175mg/kg/day) plus basiliximab; Arm 3: prolonged-release tacrolimus (0.2mg/kg/day delayed until Day 5) plus basiliximab. All patients received MMF plus a bolus of corticosteroid (no maintenance steroids). PRIMARY ENDPOINT eGFR (MDRD4) at Week 24. Secondary endpoints: composite efficacy failure, BCAR and AEs. Baseline characteristics were comparable. Tacrolimus trough levels were readily achieved posttransplant; initially lower in Arm 2 versus 1 with delayed initiation in Arm 3. eGFR (MDRD4) was higher in Arms 2 and 3 versus 1 (p = 0.001, p = 0.047). Kaplan-Meier estimates of composite efficacy failure-free survival were 72.0%, 77.6%, 73.9% in Arms 1-3. BCAR incidence was significantly lower in Arm 2 versus 1 and 3 (p = 0.016, p = 0.039). AEs were comparable. Prolonged-release tacrolimus (0.15-0.175mg/kg/day) immediately posttransplant plus basiliximab and MMF (without maintenance corticosteroids) was associated with lower tacrolimus exposure, and significantly reduced renal function impairment and BCAR incidence versus prolonged-release tacrolimus (0.2mg/kg/day) administered immediately posttransplant. Delayed higher-dose prolonged-release tacrolimus initiation significantly reduced renal function impairment compared with immediate posttransplant administration, but BCAR incidence was comparable.
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Affiliation(s)
- P. TruneČka
- TransplantcentreInstitute for Clinical and Experimental MedicinePragueCzech Republic
| | - J. Klempnauer
- Department of GeneralVisceral and Transplantation SurgeryHannover Medical SchoolHannoverGermany
| | - W. O. Bechstein
- Department of SurgeryGoethe University Hospital and ClinicsFrankfurtGermany
| | - J. Pirenne
- Abdominal Transplant SurgeryUniversity Hospitals LeuvenLeuvenBelgium
| | - S. Friman
- The Transplant InstituteSahlgrenska University HospitalGothenburgSweden
| | - A. Zhao
- Department of Abdominal SurgeryA.V. Vishnevsky Institute of SurgeryMoscowRussian Federation
| | - H. Isoniemi
- Department of Transplantation and Liver Surgery ClinicHelsinki University HospitalHelsinkiFinland
| | - L. Rostaing
- Department of Nephrology and Organ TransplantationToulouse University HospitalToulouseFrance
| | - U. Settmacher
- Department of GeneralVisceral and Vascular SurgeryJena University HospitalThuringiaGermany
| | - C. Mönch
- Department of SurgeryGoethe University Hospital and ClinicsFrankfurtGermany,Department of GeneralVisceral and Transplantation SurgeryWestpfalz‐Klinikum HospitalKaiserslauternGermany
| | - M. Brown
- Astellas Pharma Inc.NorthbrookIL
| | - N. Undre
- Astellas Pharma Europe LtdLondonUnited Kingdom
| | - G. Tisone
- Liver Transplant UnitPoliclinico di Tor VergataRomeItaly
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50
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Squara F, Zhao A, Marijon E, Latcu DG, Providencia R, Di Giovanni G, Jauvert G, Jourda F, Chierchia GB, De Asmundis C, Ciconte G, Alonso C, Grimard C, Boveda S, Cauchemez B, Saoudi N, Brugada P, Albenque JP, Thomas O. Comparison between radiofrequency with contact force-sensing and second-generation cryoballoon for paroxysmal atrial fibrillation catheter ablation: a multicentre European evaluation. Europace 2015; 17:718-24. [DOI: 10.1093/europace/euv060] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 02/10/2015] [Indexed: 01/07/2023] Open
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