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Ding S, Garofalo AM, Wang HQ, Weisberg DB, Li ZY, Jian X, Eldon D, Victor BS, Marinoni A, Hu QM, Carvalho IS, Odstrčil T, Wang L, Hyatt AW, Osborne TH, Gong XZ, Qian JP, Huang J, McClenaghan J, Holcomb CT, Hanson JM. A high-density and high-confinement tokamak plasma regime for fusion energy. Nature 2024:10.1038/s41586-024-07313-3. [PMID: 38658758 DOI: 10.1038/s41586-024-07313-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 03/14/2024] [Indexed: 04/26/2024]
Abstract
The tokamak approach, utilizing a toroidal magnetic field configuration to confine a hot plasma, is one of the most promising designs for developing reactors that can exploit nuclear fusion to generate electrical energy1,2. To reach the goal of an economical reactor, most tokamak reactor designs3-10 simultaneously require reaching a plasma line-averaged density above an empirical limit-the so-called Greenwald density11-and attaining an energy confinement quality better than the standard high-confinement mode12,13. However, such an operating regime has never been verified in experiments. In addition, a long-standing challenge in the high-confinement mode has been the compatibility between a high-performance core and avoiding large, transient edge perturbations that can cause very high heat loads on the plasma-facing-components in tokamaks. Here we report the demonstration of stable tokamak plasmas with a line-averaged density approximately 20% above the Greenwald density and an energy confinement quality of approximately 50% better than the standard high-confinement mode, which was realized by taking advantage of the enhanced suppression of turbulent transport granted by high density-gradients in the high-poloidal-beta scenario14,15. Furthermore, our experimental results show an integration of very low edge transient perturbations with the high normalized density and confinement core. The operating regime we report supports some critical requirements in many fusion reactor designs all over the world and opens a potential avenue to an operating point for producing economically attractive fusion energy.
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Affiliation(s)
- S Ding
- General Atomics, San Diego, CA, USA.
| | | | - H Q Wang
- General Atomics, San Diego, CA, USA
| | | | - Z Y Li
- General Atomics, San Diego, CA, USA
| | - X Jian
- General Atomics, San Diego, CA, USA
| | - D Eldon
- General Atomics, San Diego, CA, USA
| | - B S Victor
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - A Marinoni
- Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Q M Hu
- Princeton Plasma Physics Laboratory, Princeton University, Princeton, NJ, USA
| | | | | | - L Wang
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, China
| | | | | | - X Z Gong
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, China
| | - J P Qian
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, China
| | - J Huang
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, China
| | | | - C T Holcomb
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - J M Hanson
- Department of Applied Mathematics and Applied Physics, Columbia University, New York, NY, USA
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2
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Jian X, Chen J, Ding S, Garofalo A, Gong X, Holland C, Huang J, Chan VS, Qin X, Yu G, Ma RR, Du X, Hong R, Staebler G, Wang H, Yan Z, Bass E, Brower D, Ding W, Orlov D. Experimental Validation of a Kinetic Ballooning Mode in High-Performance High-Bootstrap Current Fraction Fusion Plasmas. Phys Rev Lett 2023; 131:145101. [PMID: 37862644 DOI: 10.1103/physrevlett.131.145101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 07/09/2023] [Accepted: 08/21/2023] [Indexed: 10/22/2023]
Abstract
We report the observation of a set of coherent high frequency electromagnetic fluctuations that leads to a turbulence induced self-regulating phenomenon in the DIII-D high bootstrap current fraction plasma. The fluctuations have frequency of 130-220 kHz, the poloidal wavelength and phase velocity are 16-30 m^{-1} and ∼30 km/s, respectively, in the outboard midplane with the estimated toroidal mode number n∼5-9. The fluctuations are located in the internal transport barrier (ITB) region at large radius and are experimentally validated to be kinetic ballooning modes (KBM). Quasilinear estimation predicts the KBM to be able to drive experimental particle flux and non-negligible thermal flux, suggesting its significant role in regulating the ITB saturation.
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Affiliation(s)
- X Jian
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
- University of California, San Diego, La Jolla, California 92093-0417, USA
| | - J Chen
- University of California Los Angeles, Los Angeles, California 90095, USA
| | - S Ding
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - A Garofalo
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - X Gong
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - C Holland
- University of California, San Diego, La Jolla, California 92093-0417, USA
| | - J Huang
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - V S Chan
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - X Qin
- University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
| | - G Yu
- University of California at Davis, Davis, California 95616, USA
| | - R R Ma
- Southwestern Institute of Physics, P.O. Box 432 Chengdu 610041, China
| | - X Du
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - R Hong
- University of California Los Angeles, Los Angeles, California 90095, USA
| | - G Staebler
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - H Wang
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - Z Yan
- University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
| | - E Bass
- University of California, San Diego, La Jolla, California 92093-0417, USA
| | - D Brower
- University of California Los Angeles, Los Angeles, California 90095, USA
| | - W Ding
- University of California Los Angeles, Los Angeles, California 90095, USA
| | - D Orlov
- University of California, San Diego, La Jolla, California 92093-0417, USA
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3
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Jingyi J, Ping Y, Jian X, Jia C, Xujian M, Qiong L, Bowen T, Fengming W. Efficacy of a membrane concentration method combined with real-time PCR for detection of Giardia and Cryptosporidium in drinking water. Lett Appl Microbiol 2023; 76:ovad121. [PMID: 37833237 DOI: 10.1093/lambio/ovad121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 10/06/2023] [Accepted: 10/12/2023] [Indexed: 10/15/2023]
Abstract
The occurrence of Giardia and Cryptosporidium (oo)cysts in drinking source water poses a serious public health risk. Here, we established a method that combines membrane concentration and real-time polymerase chain reaction (PCR) to quantify Giardia and Cryptosporidium in drinking water. The water samples were filtered through a cellulose membrane to collect Giardia and Cryptosporidium, and then nucleic acids were extracted. Specific primers and probes were designed and synthesized according to the gph gene sequence of Giardia and 18S rRNA gene sequence of Cryptosporidium. The concentrations of the two targets were determined using real-time PCR technology. The sensitivity, specificity, and stability of the method were evaluated. Our findings revealed that the detection limits of real-time PCR method for detecting Giardia and Cryptosporidium were 0.926 and 0.65 copy/µL, respectively; the spiked recovery rates were above 60% and 38%, respectively, and relative standard deviations were under 0.95% and 2.26%, respectively. Therefore, this effective procedure based on the membrane concentration method and real-time PCR will be useful for detecting Giardia and Cryptosporidium in drinking water for purpose of continuous environmental monitoring.
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Affiliation(s)
- Jiang Jingyi
- Pathogen Inspection Center, Changzhou Center for Disease Prevention and Control, 203 TaiShan Road, Changzhou 213022, Jiangsu, China
| | - Yao Ping
- Pathogen Inspection Center, Changzhou Center for Disease Prevention and Control, 203 TaiShan Road, Changzhou 213022, Jiangsu, China
| | - Xu Jian
- Pathogen Inspection Center, Changzhou Center for Disease Prevention and Control, 203 TaiShan Road, Changzhou 213022, Jiangsu, China
| | - Chen Jia
- Pathogen Inspection Center, Changzhou Center for Disease Prevention and Control, 203 TaiShan Road, Changzhou 213022, Jiangsu, China
| | - Mao Xujian
- Pathogen Inspection Center, Changzhou Center for Disease Prevention and Control, 203 TaiShan Road, Changzhou 213022, Jiangsu, China
| | - Li Qiong
- Pathogen Inspection Center, Changzhou Center for Disease Prevention and Control, 203 TaiShan Road, Changzhou 213022, Jiangsu, China
| | - Tu Bowen
- Pathogen Inspection Center, Changzhou Center for Disease Prevention and Control, 203 TaiShan Road, Changzhou 213022, Jiangsu, China
| | - Wang Fengming
- Pathogen Inspection Center, Changzhou Center for Disease Prevention and Control, 203 TaiShan Road, Changzhou 213022, Jiangsu, China
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4
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Zhu M, Shen H, Wang B, He Y, Chen J, Ren J, Zhang Z, Jian X. LRP1 as a promising therapeutic target for gastrointestinal tumors: Inhibiting proliferation, invasion and migration of cancer cells. Oncol Lett 2023; 26:432. [PMID: 37664649 PMCID: PMC10472044 DOI: 10.3892/ol.2023.14019] [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: 05/21/2023] [Accepted: 08/01/2023] [Indexed: 09/05/2023] Open
Abstract
Gastrointestinal (GI) cancers are the most common types of tumors worldwide. The lack of cancer biomarkers and targeted drug resistance are barriers to achieving effective cancer therapy. Low-density lipoprotein receptor-related protein 1 (LRP1) is a transmembrane protein that has multiple functions due to its ability to recognize different ligands; however, the role of LRP1 in GI cancer cells remains unclear. The present study aimed to investigate the role of LRP1 in GI tumors. The Cancer Genome Atlas database was used to analyze the potential correlation between expression of LRP1 and prognosis in patients with GI cancer. Bioinformatics analysis was utilized and the expression of LRP1 was simultaneously validated in GI cancer at the cellular level through western blot experiments. LRP1 was expressed at high levels in HGC-27, HepG2 and BxPC-3 cells. LRP1 expression in GI cancer cells was knocked down using lentivirus-mediated shRNA and the effects on biological functions were observed. LRP1 knockdown suppressed the proliferation, invasion and migration of GI cancer cells. LRP1 knockdown inhibited CD36 gene expression in HepG2 and BxPC-3 cells. LRP1 knockdown inhibited the proliferation, invasion and migration of GI cancer cells, suggesting that LRP1 may be a novel target for treatment of GI tumors.
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Affiliation(s)
- Mengying Zhu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Hao Shen
- Lab Center, The Children's Hospital Zhejiang University School of Medicine, Hangzhou, Zhejiang 310052, P.R. China
| | - Bili Wang
- Lab Center, The Children's Hospital Zhejiang University School of Medicine, Hangzhou, Zhejiang 310052, P.R. China
| | - Yingfei He
- Department of Pathology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
| | - Jin Chen
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Jun Ren
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Zhezhong Zhang
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Xu Jian
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
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5
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Jian X, Li J, Chen X, Wang XA, Chen J, Wu C. A High-Precision Power Line Recognition and Location Method Based on Structured-Light Binocular Vision. JACIII 2022. [DOI: 10.20965/jaciii.2022.p0691] [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: 11/09/2022]
Abstract
To complete the wiring operation of the main transmission line stripped of its insulating skin in a live power distribution system, a structured-light binocular vision method is utilized to identify and locate the line. First, aiming at the interference of the background information, a depth threshold segmentation method is used to filter the background area. Second, a mean filtering method is proposed to filter out the mismatch noise of a binocular vision camera in an outdoor environment. The Canny algorithm is then utilized to extract the contour, the central axis of the main transmission line is fitted, and the difference in the neighborhood pixel value is used to recognize the stripping area. Finally, the spatial equation and attitude of the central axis of the fitting transmission line are obtained along with the central coordinates of the stripping area, guiding the robot to carry out the wiring.
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6
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Wang X, Chen Y, Wang Y, Wang B, Zhang J, Jian X. Expression, Regulation, and Role of an Oligopeptide Transporter: PEPT1 in Tumors. Curr Med Chem 2022; 29:1596-1605. [PMID: 35546503 DOI: 10.2174/0929867328666210707170214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 04/04/2021] [Accepted: 04/21/2021] [Indexed: 11/22/2022]
Abstract
:
PEPT1 is a vital member of the proton-dependent oligopeptide transporters
family (POTs). Many studies have confirmed that PEPT1 plays a critical role in the absorption
of dipeptides, tripeptides, and pseudopeptides in the intestinal tract. In recent
years, several studies have found that PEPT1 is highly expressed in malignant tumor tissues
and cells. The abnormal expression of PEPT1 in tumors may be closely related to the
progress of tumors, and hence, could be considered as a potential molecular biomarker for
the diagnosis, treatment, and prognosis in malignant tumors. Furthermore, PEPT1 can be
used to mediate the targeted delivery of anti-tumor drugs. Herein, the expression, regulation,
and role of PEPT1 in tumors in recent years have been reviewed.
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Affiliation(s)
- Xi Wang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin Institute
of Digestive Disease, Tianjin 300052, China
- Tianjin Baodi Hospital/Baodi Clinical College of Tianjin
Medical University, Tianjin 300052, China
| | - Yiming Chen
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin Institute
of Digestive Disease, Tianjin 300052, China
| | - Yongjuan Wang
- Department of Gastroenterology and Hepatology, The Second
Affiliated Hospital of Hebei Medical University, Hebei, China
| | - Bangmao Wang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin Institute
of Digestive Disease, Tianjin 300052, China
| | - Jie Zhang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin Institute
of Digestive Disease, Tianjin 300052, China
| | - Xu Jian
- Central Laboratory, Tianjin Medical University
General Hospital, Tianjin, 300052, China
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7
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Mingjun Z, Fei M, Zhousong X, Wei X, Jian X, Yuanxue Y, Youfeng S, Zhongping C, Yiqin L, Xiaohong Z, Ying C, Zhenbing W, Zehu D, Lanjuan L. 16S rDNA sequencing analyzes differences in intestinal flora of human immunodeficiency virus (HIV) patients and association with immune activation. Bioengineered 2022; 13:4085-4099. [PMID: 35129067 PMCID: PMC8974104 DOI: 10.1080/21655979.2021.2019174] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
To clarify the influence of HIV on the intestinal flora and the interrelationship with CD4 T cells, the present study collected stool specimens from 33 HIV patients and 28 healthy subjects to compare the differences in the intestinal flora and CD4 T cells in a 16S rDNA-sequencing approach. ELISA was used to detect the expressions of interleukin 2 (IL-2), IL-8, and tumor necrosis factor-α (TNF-α). Meanwhile, correlation analysis with the different bacterial populations in each group was carried out. The results revealed that Alpha diversity indices of the intestinal flora of HIV patients were markedly lower than that of the healthy group (p < 0.05). The top five bacterial species in the HIV group were Bacteroides (23.453%), Prevotella (19.237%), Fusobacterium (12.408%), Lachnospira (3.811%), and Escherichia-Shigella (3.126%). Spearman correlation analysis results indicated that Fusobacterium_mortiferum, Fusobacterium, and Gammaproteobacteria were positively correlated with TNF-α (p < 0.05), whereas Ruminococcaceae, Bacteroidales was negatively correlated with TNF-α (p < 0.05). Additionally, Agathobacter was positively correlated with contents of IL-2 and IL-8 (p < 0.05), whereas Prevotellaceae, and Prevotella were negatively correlated with IL-8 content (p < 0.05). Furthermore, the top five strains in the CD4 high group (≥350/mm3) included Bacteroides (23.286%), Prevotella (21.943%), Fusobacterium (10.479%), Lachnospira (4.465%), and un_f_Lachnospiraceae (2.786%). Taken together, the present study identified that Fusobacterium and Escherichia-Shigella were specific and highly abundant in the HIV group and a correlation between the different bacterial flora and the contents of IL-2, IL-8, and TNF-α was revealed.
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Affiliation(s)
- Zhang Mingjun
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Department of Laboratory Medicine, People's Hospital of Jiulongpo District, Chongqing, China
| | - Mo Fei
- Department of Laboratory Medicine, People's Hospital of Jiulongpo District, Chongqing, China
| | - Xu Zhousong
- Department of Laboratory Medicine, People's Hospital of Jiulongpo District, Chongqing, China
| | - Xu Wei
- Department of Laboratory Medicine, Hangzhou Shulan Hospital, Zhejiang University, Hangzhou, China.,Department of Laboratory Medicine, Hangzhou Tongchuang Medical Laboratory Co. LTD, Hangzhou, China
| | - Xu Jian
- Department of Laboratory Medicine, Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China
| | - Yi Yuanxue
- Department of Laboratory Medicine, Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China.,Department of Laboratory Medicine, Chongqing D.A. Medical Laboratory, Chongqing, China
| | - Shen Youfeng
- Department of Laboratory Medicine, Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China.,Department of Laboratory Medicine, Chongqing D.A. Medical Laboratory, Chongqing, China
| | - Chen Zhongping
- Department of Laboratory Medicine, People's Hospital of Jiulongpo District, Chongqing, China
| | - Long Yiqin
- Department of Laboratory Medicine, People's Hospital of Jiulongpo District, Chongqing, China
| | - Zhao Xiaohong
- Department of Laboratory Medicine, People's Hospital of Jiulongpo District, Chongqing, China
| | - Cheng Ying
- Department of Laboratory Medicine, Hangzhou Shulan Hospital, Zhejiang University, Hangzhou, China
| | - Wang Zhenbing
- Department of Laboratory Medicine, Chongqing Precision Medical Industry Technology Research Institute, Chongqing, China.,Department of Laboratory Medicine, Chongqing D.A. Medical Laboratory, Chongqing, China
| | - Deng Zehu
- Department of Laboratory Medicine, People's Hospital of Jiulongpo District, Chongqing, China
| | - Li Lanjuan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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8
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Xiao S, Deng F, Xie T, Yang S, Jian X, Hong D. POS-198 CLINICAL EFFECT OF PARATHYROIDECTOMY AND AUTOLOGOUS HOMOGENATE TRANSPLANTATION IN THE TREATMENT OF SECONDARY HYPERPARATHYROIDISM. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.216] [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: 10/19/2022] Open
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9
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Ling H, Qing L, Jian X, Lishu S, Liang L, Qian W, Yangjun W, Chaojun G, Hong Z, Qiang Y, Sen Z, Guozhu Z, Li L. Strategies towards PM 2.5 attainment for non-compliant cities in China: A case study. J Environ Manage 2021; 298:113529. [PMID: 34426226 DOI: 10.1016/j.jenvman.2021.113529] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 06/20/2021] [Accepted: 08/08/2021] [Indexed: 06/13/2023]
Abstract
The northern part of the Yangtze River Delta (YRD) region in China suffers from high concentrations of fine particular matter (PM2.5) during the past years yet received much less attention compared to the other parts of the YRD region. In this study, we integrated observational data, control policies and strategies, and air quality simulations to develop PM2.5 attainment demonstration by year 2030 for the city of Bengbu, which represents a typical non-compliant city in the northern YRD region. In 2018, the annual average PM2.5 concentration in Bengbu was 51.8 μg/m3, which was 48 % higher than the standard of 35 μg/m3 set by the National Ambient Air Quality Standards (NAAQS). Different future emission scenarios were developed for year 2025 as mid-term and year 2030 as long-term. Integrated meteorology and air quality modeling system together with monitoring data was applied to predict the air quality under the future emission scenarios. Results show that when a conservative emission reduction ratio of 40 % was assumed for surrounding regions, the annual average PM2.5 concentration in Bengbu could meet the target value by 2030, in which case emissions of SO2, NOx, PM2.5, VOCs, and NH3 need to be reduced by 70.6 %, 43.5 %, 47.2 %, 33.4 %, and 47.5 %, respectively. PM2.5 concentration in Bengbu is not only controlled by local emission reductions but also affected by emission reductions of surrounding regions as well as contribution from long-range transport. More attentions need to be paid to the control of VOCs emissions in the near future to avoid increase of ozone concentrations while reducing PM2.5. Our results provide scientific support for the local government to formulate future air pollution prevention and control strategies, sub-regional joint-control among surrounding cities, as well as trans-regional joint-control between the north China and the YRD region.
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Affiliation(s)
- Huang Ling
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China; Key Laboratory of Organic Compound Pollution Control Engineering, Shanghai University, Shanghai, 200444, China
| | - Li Qing
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China; Key Laboratory of Organic Compound Pollution Control Engineering, Shanghai University, Shanghai, 200444, China
| | - Xu Jian
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Shi Lishu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China; Key Laboratory of Organic Compound Pollution Control Engineering, Shanghai University, Shanghai, 200444, China
| | - Li Liang
- Bengbu Municipal Bureau of Ecology and Environment, Bengbu, Anhui, 233040, China
| | - Wang Qian
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China; Key Laboratory of Organic Compound Pollution Control Engineering, Shanghai University, Shanghai, 200444, China
| | - Wang Yangjun
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China; Key Laboratory of Organic Compound Pollution Control Engineering, Shanghai University, Shanghai, 200444, China
| | - Ge Chaojun
- Bengbu Environmental Monitoring Station, Bengbu, Anhui, 233040, China
| | - Zhang Hong
- Anhui Academy of Environmental Science, Hefei, Anhui, 230071, China
| | - Yang Qiang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Zhu Sen
- Anhui Academy of Environmental Science, Hefei, Anhui, 230071, China
| | - Zhou Guozhu
- Bengbu Environmental Monitoring Station, Bengbu, Anhui, 233040, China
| | - Li Li
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China; Key Laboratory of Organic Compound Pollution Control Engineering, Shanghai University, Shanghai, 200444, China.
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10
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Yongfei F, Chaoyu L, Wenqiang X, Xiulin M, Jian X, Wei W. Clinical outcomes of Tightrope system in the treatment of purely ligamentous Lisfranc injuries. BMC Surg 2021; 21:395. [PMID: 34743702 PMCID: PMC8573989 DOI: 10.1186/s12893-021-01394-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 11/01/2021] [Indexed: 12/15/2022] Open
Abstract
Background Purely ligamentous Lisfranc injuries are mainly caused by low energy damage and often require surgical treatment. There are several operative techniques for rigid fixation to solve this problem clinically. This study evaluated the effect of using the Tightrope system to reconstruct the Lisfranc ligament for elastic fixation. Methods We retrospectively analyzed 11 cases with purely ligamentous Lisfranc injuries treated with the Tightrope system from 2016 to 2019, including 8 male and 3 female. X-ray was performed regularly after operation to measure the distance between the first and second metatarsal joint and the visual analogue scale (VAS) score was used to evaluate pain relief. American orthopedic foot & ankle society (AOFAS) and Maryland foot score were recorded at the last follow-up. Results The average follow-up time was 20.5 months (range, 17–24). There was statistically significant difference in the distance between the first and second metatarsal joint and VAS score at 3 months, 6 months, and the last follow-up when compared with preoperative values (P < 0.05).Mean of postoperative AOFAS mid-foot scale and Maryland foot score were 92.4 ± 4.3, 94.1 ± 3.5, respectively. The Tightrope system was not removed and the foot obtained better biomechanical stability. No complications occurred during the operation. Conclusion Tightrope system in the treatment of purely ligamentous Lisfranc injuries can stabilize the tarsometatarsal joint and achieve satisfactory effect.
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Affiliation(s)
- Fan Yongfei
- Department of Orthopaedic Surgery, Anhui Spinal Deformity and Clinical Medical Research Center, Fuyang Hospital Affiliated to Anhui Medical University, Fuyang People's Hospital, Fuyang, 236000, Anhui, People's Republic of China
| | - Liu Chaoyu
- Department of Orthopaedic Surgery, Anhui Spinal Deformity and Clinical Medical Research Center, Fuyang Hospital Affiliated to Anhui Medical University, Fuyang People's Hospital, Fuyang, 236000, Anhui, People's Republic of China
| | - Xu Wenqiang
- Department of Orthopaedic Surgery, Anhui Spinal Deformity and Clinical Medical Research Center, Fuyang Hospital Affiliated to Anhui Medical University, Fuyang People's Hospital, Fuyang, 236000, Anhui, People's Republic of China
| | - Ma Xiulin
- Department of Orthopaedic Surgery, Anhui Spinal Deformity and Clinical Medical Research Center, Fuyang Hospital Affiliated to Anhui Medical University, Fuyang People's Hospital, Fuyang, 236000, Anhui, People's Republic of China
| | - Xu Jian
- Department of Orthopaedic Surgery, Anhui Spinal Deformity and Clinical Medical Research Center, Fuyang Hospital Affiliated to Anhui Medical University, Fuyang People's Hospital, Fuyang, 236000, Anhui, People's Republic of China
| | - Wang Wei
- Department of Orthopaedic Surgery, Anhui Spinal Deformity and Clinical Medical Research Center, Fuyang Hospital Affiliated to Anhui Medical University, Fuyang People's Hospital, Fuyang, 236000, Anhui, People's Republic of China.
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Du XD, Hong RJ, Heidbrink WW, Jian X, Wang H, Eidietis NW, Van Zeeland MA, Austin ME, Liu Y, Crocker NA, Rhodes TL, Särkimäki K, Snicker A, Wu W, Knolker M. Multiscale Chirping Modes Driven by Thermal Ions in a Plasma with Reactor-Relevant Ion Temperature. Phys Rev Lett 2021; 127:025001. [PMID: 34296897 DOI: 10.1103/physrevlett.127.025001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 04/02/2021] [Accepted: 06/09/2021] [Indexed: 06/13/2023]
Abstract
A thermal ion driven bursting instability with rapid frequency chirping, considered as an Alfvénic ion temperature gradient mode, has been observed in plasmas having reactor-relevant temperature in the DIII-D tokamak. The modes are excited over a wide spatial range from macroscopic device size to microturbulence size and the perturbation energy propagates across multiple spatial scales. The radial mode structure is able to expand from local to global in ∼0.1 ms and it causes magnetic topology changes in the plasma edge, which can lead to a minor disruption event. Since the mode is typically observed in the high ion temperature ≳10 keV and high-β plasma regime, the manifestation of the mode in future reactors should be studied with development of mitigation strategies, if needed. This is the first observation of destabilization of the Alfvén continuum caused by the compressibility of ions with reactor-relevant ion temperature.
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Affiliation(s)
- X D Du
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - R J Hong
- University of California, Los Angeles, California 90095, USA
| | - W W Heidbrink
- University of California, Irvine, California 92697, USA
| | - X Jian
- University of California, San Diego, La Jolla, California 92093-0417, USA
| | - H Wang
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - N W Eidietis
- University of California, Los Angeles, California 90095, USA
| | - M A Van Zeeland
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - M E Austin
- University of Texas-Austin, Austin, Texas 78712, USA
| | - Y Liu
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - N A Crocker
- University of California, Los Angeles, California 90095, USA
| | - T L Rhodes
- University of California, Los Angeles, California 90095, USA
| | - K Särkimäki
- Department of Physics, Chalmers University of Technology, SE-41296 Göteborg, Sweden
| | - A Snicker
- Department of Applied Physics, Aalto University, P.O. Box 11100, 00076 AALTO, Espoo, Finland
| | - W Wu
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - M Knolker
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
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12
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Wang XY, Jian X, Sun BQ, Ge XS, Huang FJ, Chen YQ. LncRNA ROR1-AS1 promotes colon cancer cell proliferation by suppressing the expression of DUSP5/CDKN1A. Eur Rev Med Pharmacol Sci 2021; 24:1116-1125. [PMID: 32096171 DOI: 10.26355/eurrev_202002_20162] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The purpose of this study was to explore the possible role of ROR1-AS1 in the pathogenesis of colon cancer and the underlying mechanism. PATIENTS AND METHODS The expression levels of ROR1-AS1 in 75 colon cancer tissue samples and adjacent ones, as well as in cell lines were examined by quantitative Polymerase Chain Reaction (qPCR). Then, ROR1-AS1 overexpression plasmid and siRNA were transfected into colon cancer cells using liposome method. After that, Cell Counting Kit-8 (CCK-8) and plate colony formation assays were conducted to analyze cell proliferation, while flow cytometry was applied for the analysis of cell cycle and apoptosis. At last, the mechanism of action of ROR1-AS1 was further explored by nuclear separation, RNA binding protein immunoprecipitation (RIP) and chromatin immunoprecipitation (CHIP) assays. RESULTS ROR1-AS1 level in colon cancer tissues was remarkably higher than that in normal tissues, and the expression in tumors of stage III and IV was remarkably higher than those of stage I and II. Meanwhile, tumors with diameters more than 5 cm had a higher ROR1-AS1 expression than those less than 5 cm. After transfection with ROR1-AS1 overexpression plasmid, the cell proliferation ability was enhanced, the G0/G1 phase time of cell cycle was shortened, and the apoptosis was suppressed. However, the opposite result was observed after ROR1-AS1 was downregulated. Furthermore, RIP showed that ROR1-AS1 can bind to enhancer of zeste homolog 2 (EZH2) and inhibit the expression of DUSP5, and thus be engaged in the proliferation and apoptosis of colon cancer cells. CONCLUSIONS ROR1-AS1 is highly expressed either in colon cancer tissues or in cell lines, which is able to enhance cell proliferation, accelerate cell cycle, and inhibit cell apoptosis. The mechanism of ROR1-AS1 to participate in the development of colon cancer may be the downregulation of DUSP5 via combination with EZH2.
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Affiliation(s)
- X-Y Wang
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China.
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Jingdong L, Yongfu X, Yang G, Jian X, Xujian H, Jianhua L, Wenxing Z, Renyi Q, Xinming Y, Shuguo Z, Xiao L, Bin P, Qifan Z, Dewei L, Zhao-Hui T. Minimally invasive surgery for hilar cholangiocarcinoma: a multicenter retrospective analysis of 158 patients. Surg Endosc 2020; 35:6612-6622. [PMID: 33258033 DOI: 10.1007/s00464-020-08161-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 11/15/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Curative resection of hilar cholangiocarcinoma (HC) is typically carried out using open surgery. In the present study, we examined the safety (postoperative complication) and effectiveness (resection margin status and patient survival) of minimally invasive surgery (MIS) for HC. METHODS This retrospective analysis included 158 patients receiving MIS for HC at 10 participating centers between December 2013 and November 2019. Patient demographics, surgical outcomes, and oncological outcomes were retrospectively analyzed. RESULTS Clinical information obtained from 10 different clinical centers did not show any evident cohort-bias clustering. One hundred and twenty-six (79.7%) patients underwent LRHC, 12 (7.6%) patients underwent RARHC, conversion to an open procedure occurred in 20 (12.7%) patients. The operation time and estimated blood loss were 410.8 ± 128.9 min and 477.8 ± 706.3 mL, respectively. The surgical radicality of the 158 patients was R0, 129 (81.6%); R1, 20 (18.4%) and R2, 9 (5.7%). Grades I-II complications was occurred in 68 (43.0%) patients. Severe morbidity (grade III-V) occurred in 14 (8.7%) patients. The median overall survival in whole cohort was 25.4 months. The overall survival rate was 67.6% at year 1, 28.8% at year 3, and 19.2% at year 5. Comparing the first half of MISHC performed by each center with the following cases, the operation time and postoperative hospital stay does not decrease with the increasing cases. On literature review, MISHC is non-inferior to open surgery at least in perioperative period. CONCLUSIONS In this Chinese MIS for HC multicenter study, the largest to date, long-term overall survival rates after MIS appear comparable to those reported in current open series. Further randomized controlled trials are necessary to assess the global impact of MISHC.
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Affiliation(s)
- Li Jingdong
- Department of General Surgery, Institute of Hepatobiliary-Pancreatic-Intestinal Diseases, Affiliated Hospital of North Sichuan Medical College, No.63 Wenhua Road, Shunqing District, Nanchong, 637000, China.
| | - Xiong Yongfu
- Department of General Surgery, Institute of Hepatobiliary-Pancreatic-Intestinal Diseases, Affiliated Hospital of North Sichuan Medical College, No.63 Wenhua Road, Shunqing District, Nanchong, 637000, China.
| | - Gang Yang
- Department of General Surgery, Institute of Hepatobiliary-Pancreatic-Intestinal Diseases, Affiliated Hospital of North Sichuan Medical College, No.63 Wenhua Road, Shunqing District, Nanchong, 637000, China
| | - Xu Jian
- Department of General Surgery, Institute of Hepatobiliary-Pancreatic-Intestinal Diseases, Affiliated Hospital of North Sichuan Medical College, No.63 Wenhua Road, Shunqing District, Nanchong, 637000, China
| | - Huang Xujian
- Department of General Surgery, Institute of Hepatobiliary-Pancreatic-Intestinal Diseases, Affiliated Hospital of North Sichuan Medical College, No.63 Wenhua Road, Shunqing District, Nanchong, 637000, China
| | - Liu Jianhua
- Department of Hepatobiliary Surgery, Second Affiliated Hospital of Hebei Medical University, Hebei, 200092, China
| | - Zhao Wenxing
- Department of Hepatobiliary Surgery, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221006, China
| | - Qin Renyi
- Department of Biliary Pancreatic Surgery, Affiliated Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yin Xinming
- Department of Hepatobiliary Surgery, Hunan Provincial People's Hospital, Changsha, 410005, China
| | - Zheng Shuguo
- Department of Biliary Surgery, The First Hospital Affiliated to Army Medical University, Chongqing, 400038, China
| | - Liang Xiao
- Department of Hepatobiliary Surgery, SirRunRunShaw Hospital of Zhejiang University, Hangzhou, 310020, China
| | - Peng Bin
- Department of Biliary Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Zhang Qifan
- Department of Hepatobiliary Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, 510515, China
| | - Li Dewei
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Tang Zhao-Hui
- Department of General Surgery, Xinhua Hospital Affiliated of Shanghai Jiaotong University School of Medicine, Yangpu District, No.1665 Kong jiang Road, Shanghai, 200000, China.
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Yongxia Z, Jian X, Suyuan H, Aixin N, Lihong Z. Isolation and characterization of ergosterol from Monascus anka for anti-lipid peroxidation properties. J Mycol Med 2020; 30:101038. [PMID: 33069573 DOI: 10.1016/j.mycmed.2020.101038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 01/02/2023]
Abstract
Unbalanced lipid peroxidation damages the human body, and is associated with the formation of tumors, infections, inflammations, autoimmune diseases, and cardiovascular and cerebrovascular diseases. However, food and drugs that contain anti-lipid peroxidation active substances, can help to protect against these negative health impacts. We observed lipid peroxidation inhibition in the metabolites of fermented Monascus anka, in media with Dendrobium nobile Lindl. The anti-lipid peroxidation ability of the extracts was strongest in ethyl acetate, so this was selected for further purifications. A crystal with strong antioxidant properties was obtained by column chromatography. Based on its spectroscopic analysis by Electron Bombardment Ion Source and Mass Spectrometry (EI-MS), 1H-Nuclear Magnetic Resonance (1H-NMR), and 13C-Nuclear Magnetic Resonance (13C-NMR), the isolated crystal was identified as ergosterol. The inhibition rates of the lipid peroxide due to the ergosterol were 57.42%, at 2μg/mL in vitro. Simultaneously, the survival rates of the damaged cells treated with 0.3mmol/L H2O2 were significantly improved with the ergosterol, up to 43.88% (200μg/mL) and 46.64% (400μg/mL), compared to 36.47% for the injured cells. The survival rate of the cells was 78.32% (400μg/mL), with ergosterol as a prevention. Cell injury can increase the level of intracellular ROS, but its levels in the damaged cells were reduced after the ergosterol treatments, and the reduction increased with the increasing concentrations. A 400μg/mL concentration resulted in the lowest fluorescence intensity; 33421.11 AU below the normal level. Ergosterol significantly reduced the ROS levels, to reduce the cell damage. Ergosterol from Monascus anka was thus found to have strong anti-lipid peroxidation and antioxidant capabilities, and the ability to protect and repair damaged cells. It may consequently serve as a potential natural antioxidant and will play an important role in human anti-lipid peroxide.
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Affiliation(s)
- Z Yongxia
- Department of Wine Engineering, Moutai Institute, Renhuai, Guizhou, China
| | - X Jian
- Department of Medical Genetics, Zunyi Medical University, Zunyi, Guizhou, China
| | - H Suyuan
- College of Life Sciences, Guizhou University, Guiyang, Guizhou, China
| | - N Aixin
- College of Life Sciences, Guizhou University, Guiyang, Guizhou, China
| | - Z Lihong
- College of Life Sciences, Guizhou University, Guiyang, Guizhou, China.
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Wang XY, Wang L, Xu PC, Huang FJ, Jian X, Wei ZC, Chen YQ. LINC01605 promotes the proliferation of laryngeal squamous cell carcinoma through targeting miR-493-3p. Eur Rev Med Pharmacol Sci 2020; 23:10379-10386. [PMID: 31841192 DOI: 10.26355/eurrev_201912_19677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The purpose of this study was to elucidate the potential influence of LINC01605 on the progression of laryngeal squamous cell carcinoma (LSCC) and the underlying mechanism. PATIENTS AND METHODS LINC01605 and microRNA-493-3p (miR-493-3p) levels in normal laryngeal tissues, LSCC tissues, and paired paracancerous tissues were detected. Regulatory effects of LINC01605 on proliferative ability and apoptosis in HEp-2 and AMC-HN-8 cells were assessed. Besides, the interaction between LINC01605 and miR-493-3p was evaluated by Dual-Luciferase reporter gene assay and Spearman's rank correlation analysis. Finally, rescue experiments were conducted to clarify the role of LINC01605/miR-493-3p axis in the progression of LSCC. RESULTS LINC01605 was upregulated and miR-493-3p was downregulated in LSCC tissues. Knockdown of LINC01605 inhibited proliferative ability, and stimulated apoptosis in HEp-2 and AMC-HN-8 cells. Moreover, LINC01605 directly bound to miR-493-3p, and the former negatively regulated the level of the latter. In addition, miR-493-3p was able to reverse the regulatory effect of LINC01605 on proliferative ability in LSCC. CONCLUSIONS LINC01605 is upregulated in LSCC tissues, and it promotes the malignant progression of LSCC via targeting miR-493-3p.
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Affiliation(s)
- X-Y Wang
- Wuxi School of Medicine, Jiangnan University, Wuxi, China.
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Lian J, Lian J, Zhong M, Jian X. Letter to the editor on "Chronic deltoid ligament insufficiency repair with Internal Brace™ augmentation". Foot Ankle Surg 2020; 26:354-355. [PMID: 31932220 DOI: 10.1016/j.fas.2019.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 12/31/2019] [Indexed: 02/04/2023]
Affiliation(s)
- Jiangen Lian
- Department of Orthopaedic Surgery, Dabu People's Hospital, Dabu 514200, Guangdong Province, China
| | - Junfeng Lian
- Department of Orthopaedic Surgery, Dabu People's Hospital, Dabu 514200, Guangdong Province, China
| | - Mingjin Zhong
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People's Hospital, Shenzhen 518000 Guangdong Province, China.
| | - Xu Jian
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People's Hospital, Shenzhen 518000 Guangdong Province, China
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Krasnoshchoka A, Hansen AK, Thorseth A, Marti D, Petersen PM, Jian X, Jensen OB. Phosphor material dependent spot size limitations in laser lighting. Opt Express 2020; 28:5758-5767. [PMID: 32121791 DOI: 10.1364/oe.383866] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 01/30/2020] [Indexed: 06/10/2023]
Abstract
In laser lighting, a major benefit over other lighting techniques is the possibility to achieve very high luminous exitance. Focusing the exciting laser to a very small spot size on the phosphor, however, does not necessarily provide a very small emitting area for the white light. In this study we investigate experimentally and numerically the relationship between the white light spot size and the incident blue laser spot size. We show that the specific phosphor material properties have significant impact on this relationship and on the achievable minimum spot size. This constitutes a limitation on the minimum spot size achievable in laser lighting and has important implications in applications.
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18
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Jian X, Chunhong X, Hongyan C, Huijun L, Haizhong Y, Jianfen Y. Effects of Chinaberry Tree Extract on Proliferation, Apoptosis, Migration and Cell Cycle Distribution of Human Breast Cancer Cells. Indian J Pharm Sci 2020. [DOI: 10.36468/pharmaceutical-sciences.spl.4] [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: 11/22/2022] Open
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19
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Jian X, Holland C, Candy J, Belli E, Chan V, Garofalo AM, Ding S. Role of Microtearing Turbulence in DIII-D High Bootstrap Current Fraction Plasmas. Phys Rev Lett 2019; 123:225002. [PMID: 31868395 DOI: 10.1103/physrevlett.123.225002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 10/03/2019] [Indexed: 06/10/2023]
Abstract
We report on the first direct comparisons of microtearing turbulence simulations to experimental measurements in a representative high bootstrap current fraction (f_{BS}) plasma. Previous studies of high f_{BS} plasmas carried out in DIII-D with large radius internal transport barriers (ITBs) have found that, while the ion energy transport is accurately reproduced by neoclassical theory, the electron transport remains anomalous and not well described by existing quasilinear transport models. A key feature of these plasmas is the large value of the normalized pressure gradient, which is shown to completely stabilize conventional drift-wave and kinetic ballooning mode instabilities in the ITB, but destabilizes the microtearing mode. Nonlinear gyrokinetic simulations of the ITB region performed with the cgyro code demonstrate that the microtearing modes are robustly unstable and capable of driving electron energy transport levels comparable to experimental levels for input parameters consistent with the experimental measurements. These simulations uniformly predict that the microtearing mode fluctuation and flux spectra extend to significantly shorter wavelengths than the range of linear instability, representing significantly different nonlinear dynamics and saturation mechanisms than conventional drift-wave turbulence, which is also consistent with the fundamental tearing nature of the instability. The predicted transport levels are found to be most sensitive to the magnetic shear, rather than the temperature gradients more typically identified as driving turbulent plasma transport.
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Affiliation(s)
- X Jian
- University of California, San Diego, La Jolla, California 92093-0417, USA
| | - C Holland
- University of California, San Diego, La Jolla, California 92093-0417, USA
| | - J Candy
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - E Belli
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - V Chan
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - A M Garofalo
- General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
| | - S Ding
- Oak Ridge Associated Universities, Oak Ridge, Tennessee 37831, USA
- Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei, Anhui, 230031, China
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Jian X, Yi-Jing Y, Gen-Yan Q, Ya-Sha Z, Jun P, Qing-Hua P. Effects of Lycii Fructus and Salviae Miltiorrhizae on the Syndrome of Deficiency with Blood Stasis in RCS (rdy-/-, p-/-) Rats with Retinitis Pigmentosa: An Intervention Study. Digital Chinese Medicine 2019. [DOI: 10.1016/j.dcmed.2019.12.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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21
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Shuai M, Ni Y, Jian X, He S, Zhang JA. The level of IL-35 in the circulation of patients with Graves’ disease. Endokrynologia Polska 2019; 70:318-322. [DOI: 10.5603/ep.a2019.0018] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 03/01/2019] [Indexed: 11/25/2022]
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22
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Fei W, Xuan Y, Jian X, Yue W, Yuejun Y, Yu J, Huifang X, Yuancai L, Yifu Y, Xiangwei Z. One New Phenolic Compound from Castanea mollissima Shells and its Suppression of HepatomaCell Proliferation and Inflammation by Inhibiting NF-κB Pathway. Int J Mol Sci 2019; 20:E466. [PMID: 30678222 PMCID: PMC6386821 DOI: 10.3390/ijms20030466] [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] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 01/18/2019] [Indexed: 12/22/2022] Open
Abstract
Shells of Castanea mollissima (CMS), an agricultural remain and often considered waste from chestnut processing industry, have been proven a resource for traditional Chinese medicine. One new phenol, named castanolB(1), andsix known phenolic compounds (2⁻7) were isolated froma water-soluble extract of CMS. Their chemical structures were determined using preparative HPLC and various spectral analyses, and then were compared to literatures, which indicated the first identification of the seven compounds from C. mollissima. The physicochemical property of compound (2) was also reported for the first time. After antiproliferative screening of compounds (1⁻7) on LPS-induced SMMC-7721 and HepG2 hepatoma cells, castanolB (1) showed the best suppression. CastanolB(1) also significantly induced cell apoptosis. Furthermore, castanolB (1) decreasedsecretion of TNF-α and IL-6. Mechanistically, TLR4⁻NF-κB pathway was inhibited bycastanolB (1) with downregulation of TLR4, IKKβ, and NF-κB p65. This study presents a new phenol and shows its profiles of anticancer and anti-inflammation via inhibiting the TLR4⁻NF-κB pathway.
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Affiliation(s)
- Wu Fei
- Shanghai University of Traditional Chinese Medicine Engineering Research Center of Modern Preparation Technology of TCM, Ministry of Education, Shanghai, 200000, China.
| | - Yao Xuan
- Shanghai University of Traditional Chinese Medicine, Shanghai, 200000, China.
| | - Xu Jian
- Jing Brand Research Institute, Jing Brand Co., Ltd., Daye, 435100, China.
| | - Wu Yue
- Jing Brand Research Institute, Jing Brand Co., Ltd., Daye, 435100, China.
| | - Yang Yuejun
- Jing Brand Research Institute, Jing Brand Co., Ltd., Daye, 435100, China.
| | - Jin Yu
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, 200000, China.
| | - Xie Huifang
- Biotechnology Research & Innovation Department, Shanghai Huangdian Co., Ltd., Shanghai, 200000, China.
| | - Liu Yuancai
- Jing Brand Research Institute, Jing Brand Co., Ltd., Daye, 435100, China.
| | - Yang Yifu
- Shanghai University of Traditional Chinese Medicine, Shanghai, 200000, China.
| | - Zheng Xiangwei
- Shanghai University of Traditional Chinese Medicine Engineering Research Center of Modern Preparation Technology of TCM, Ministry of Education, Shanghai, 200000, China.
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Yin S, Bai W, Li P, Jian X, Shan T, Tang Z, Jing X, Ping S, Li Q, Miao Z, Wang S, Ou W, Fei J, Guo T. Berberine suppresses the ectopic expression of miR-133a in endothelial cells to improve vascular dementia in diabetic rats. Clin Exp Hypertens 2018; 41:708-716. [PMID: 30472896 DOI: 10.1080/10641963.2018.1545846] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Sen Yin
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - Wenwu Bai
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
- Department of Traditional Chinese Medicine, Qilu Hospital, Shandong University, Jinan, China
| | - Peng Li
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Xu Jian
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Tichao Shan
- Department of Intensive Care Unit, Qilu Hospital, Shandong University, Jinan, China
| | - Zhenyu Tang
- Department of Intensive Care Unit, Qilu Hospital, Shandong University, Jinan, China
| | - Xuejiao Jing
- Department of Healthcare, Qilu Hospital, Shandong University, Jinan, China
| | - Song Ping
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Quanzhong Li
- Department of Cardiology, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Zhang Miao
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Shuangxi Wang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Wensheng Ou
- Department of Liver Disease, Chenzhou NO. 1 People’s Hospital, Chenzhou, China
| | - Jianchun Fei
- Department of Anaesthesia, Qilu Hospital, Shandong University, Jinan, China
| | - Tao Guo
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
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Zhang HM, Liu MY, Lu JX, Zhu ML, Jin Q, Ping S, Li P, Jian X, Han YL, Wang SX, Li XY. Intracellular acidosis via activation of Akt-Girdin signaling promotes post ischemic angiogenesis during hyperglycemia. Int J Cardiol 2018; 277:205-211. [PMID: 30316647 DOI: 10.1016/j.ijcard.2018.08.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [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: 03/25/2018] [Revised: 08/07/2018] [Accepted: 08/09/2018] [Indexed: 10/28/2022]
Abstract
AIMS The impaired angiogenesis is the major cause of diabetic delayed wound healing. The molecular insight remains unknown. Previous study has shown that high glucose (HG) activates Na+/H+ exchanger 1 (NHE1) and induces intracellular alkalinization, resulting in endothelial dysfunction. The aim of this study is to investigate whether activation of NHE1 in endothelial cells by HG damages the angiogenesis in vitro and in vivo. METHODS AND RESULTS We used western blot to detect the phosphorylations of both Akt and Girdin, and pH-sensitive BCECF fluorescence to assay NHE1 activity and pHi value, respectively. The angiogenesis was evaluated by measuring the number of tube formation in vitro, and blood perfusion by laser doppler and neovascularization by staining CD31 in vivo. Our results indicated that induction of intracellular acidosis (IA) increased p-Akt and p-Girdin in human umbilical vein endothelial cells (HUVEC). HG activated NHE1 and increased pHi value in a time-dependent manner, associated with the decreased phosphorylations of both Akt and Gridin, while inhibition of NHE1 by amiloride abolished the HG-induced reductions of p-Akt and p-Girdin. However, silence of Akt by siRNA transfection or pharmacological inhibitors (wortmannin and LY294002) bypassed IA-induced Girdin phosphorylation. Overexpression of constitutively active Akt abolished HG-reduced Girdin phosphorylation. In addition, upregulation of Akt or inhibition of NHE1 remarkably attenuated HG-impaired tube formation in HUVEC. In vivo study revealed that amiloride dramatically rescued hyperglycemia-delayed blood perfusion and neovascularization by augmenting ischemia-induced angiogenesis. CONCLUSION IA promotes ischemia-induced angiogenesis via Akt-dependent Girdin phosphorylation in diabetic mice.
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Affiliation(s)
- Hong-Ming Zhang
- Department of Cardiology, General Hospital of Jinan Military Command, Jinan, China
| | - Mo-Yan Liu
- Department of Cardiology, General Hospital of Jinan Military Command, Jinan, China
| | - Jun-Xiu Lu
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Mo-Li Zhu
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Qun Jin
- Department of Cardiology, General Hospital of Jinan Military Command, Jinan, China
| | - Song Ping
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Peng Li
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Xu Jian
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Ya-Ling Han
- Department of Cardiology, General Hospital of Shenyang Military Command, Shenyang, China.
| | - Shuang-Xi Wang
- Department of Pharmacology, College of Pharmacy, Xinxiang Medical University, Xinxiang, China; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China.
| | - Xiao-Yan Li
- Department of Cardiology, General Hospital of Jinan Military Command, Jinan, China.
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Zhou SN, Lu JX, Wang XQ, Shan MR, Miao Z, Pan GP, Jian X, Li P, Ping S, Pang XY, Bai YP, Liu C, Wang SX. S-Nitrosylation of Prostacyclin Synthase Instigates Nitrate Cross-Tolerance In Vivo. Clin Pharmacol Ther 2018; 105:201-209. [PMID: 29672839 DOI: 10.1002/cpt.1094] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 04/09/2018] [Indexed: 02/06/2023]
Abstract
Development of nitrate tolerance is a major drawback to nitrate therapy. Prostacyclin (PGI2) is a powerful vasodilator produced from prostaglandin (PGH2) by prostacyclin synthase (PGIS) in endothelial cells. This study aimed to determine the role of PGIS S-nitrosylation in nitrate tolerance induced by nitroglycerin (GTN). In endothelial cells, GTN increased PGIS S-nitrosylation and disturbed PGH2 metabolism, which were normalized by mutants of PGIS cysteine 231/441 to alanine (C231/441A). Clearance of nitric oxide by carboxy-PTIO or inhibition of S-nitrosylation by N-acetyl-cysteine decreased GTN-induced PGIS S-nitrosylation. Enforced expression of mutated PGIS with C231/441A markedly abolished GTN-induced PGIS S-nitrosylation and nitrate cross-tolerance in Apoe-/- mice. Inhibition of cyclooxygenase 1 by aspirin, supplementation of PGI2 by beraprost, and inhibition of PGIS S-nitrosylation by N-acetyl-cysteine improved GTN-induced nitrate cross-tolerance in rats. In patients, increased PGIS S-nitrosylation was associated with nitrate tolerance. In conclusion, GTN induces nitrate cross-tolerance through PGIS S-nitrosylation at cysteine 231/441.
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Affiliation(s)
- Sheng-Nan Zhou
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Jun-Xiu Lu
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Xue-Qing Wang
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Mei-Rong Shan
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Zhang Miao
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Guo-Pin Pan
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Xu Jian
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Peng Li
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Song Ping
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Xin-Yan Pang
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Yong-Ping Bai
- Department of Geriatric Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Chao Liu
- Hubei Key Laboratory of Cardiovascular, Cerebrovascular, and Metabolic Disorders, Hubei University of Science and Technology, Xianning, China
| | - Shuang-Xi Wang
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China.,College of Pharmacy, Xinxiang Medical University, Xinxiang, China.,Hubei Key Laboratory of Cardiovascular, Cerebrovascular, and Metabolic Disorders, Hubei University of Science and Technology, Xianning, China
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Ma W, Ji Y, Qi L, Guo X, Jian X, Liu P. Breast cancer Ki67 expression prediction by DCE-MRI radiomics features. Clin Radiol 2018; 73:909.e1-909.e5. [PMID: 29970244 DOI: 10.1016/j.crad.2018.05.027] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/24/2018] [Indexed: 01/04/2023]
Abstract
AIM To investigate whether quantitative radiomics features extracted from dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) are associated with Ki67 expression of breast cancer. MATERIALS AND METHODS This institutional review board-approved retrospective study comprised 377 Chinese women who were diagnosed with invasive breast cancer in 2015. This cohort included 53 low-Ki67 expression (Ki67 proliferation index less than 14%) and 324 cases with high-Ki67 expression (Ki67 proliferation index more than 14%). A binary-classification of low-versus high- Ki67 expression was performed. A set of 56 quantitative radiomics features, including morphological, greyscale statistic, and texture features, were extracted from the segmented lesion area. Three machine learning classification methods, including naive Bayes, k-nearest neighbour and support vector machine, were employed for the classification and the least absolute shrink age and selection operator (LASSO) method was used to select most predictive features set for the classifiers. Classification performance was evaluated by the area under receiver operating characteristic curve (AUC), accuracy, sensitivity, and specificity. RESULES The model that used naive Bayes classification method achieved the best performance than the other two methods, yielding 0.773 AUC, 0.757 accuracy, 0.777 sensitivity and 0.769 specificity. Three most predictive features, i.e., contrast, entropy and line likeness, were selected by the LASSO method and showed a statistical significance (p<0.05) in the classification. CONCLUSION The present study showed that quantitative radiomics imaging features of breast tumour extracted from DCE-MRI are associated with breast cancer Ki67 expression. Future larger studies are needed in order to further evaluate the findings.
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Affiliation(s)
- W Ma
- Department of Breast Imaging, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China; Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China; Department of Biomedical and Engineering, Tianjin Medical University, Tianjin 300070, China
| | - Y Ji
- Department of Breast Imaging, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China; Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - L Qi
- Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - X Guo
- Department of Breast Imaging, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China; Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - X Jian
- Department of Biomedical and Engineering, Tianjin Medical University, Tianjin 300070, China.
| | - P Liu
- Department of Breast Imaging, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China; Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin 300060, China; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China.
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27
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Jian X, Yang QL, Xiao S, Jing Z, Hu SD. The effects of a sodium-glucose cotransporter 2 inhibitor on diabetic nephropathy and serum oxidized low-density lipoprotein levels. Eur Rev Med Pharmacol Sci 2018; 22:3994-3999. [PMID: 29949175 DOI: 10.26355/eurrev_201806_15284] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To investigate the effect of an SGLT-2 inhibitor on diabetic nephropathy and serum oxidized low-density lipoprotein (ox-LDL) levels. PATIENTS AND METHODS We randomly divided 126 patients with diabetic nephropathy into the treatment group and control group. The 63 patients in the treatment group received an SGLT-2 inhibitor in addition to routine insulin therapy, while the control group received only insulin to control blood glucose. All laboratory indexes were recorded before and after treatment with the SGLT-2 inhibitor. The prognosis of patients was followed-up. Simultaneously, 63 healthy and BMI-matched in-patients were selected as the healthy control group. Peripheral blood samples were collected from all groups, and the levels of ROS were measured by ELISA. RESULTS Renal function indexes such as urinary protein, creatinine, blood urea nitrogen, and glomerular filtration rate (GFR) were significantly higher with SGLT-2 inhibitor treatment compared with the control group (p<0.05). The fasting blood glucose level was not significantly increased before or after treatment (p>0.05). The levels of ROS in peripheral blood were significantly lower in the treatment group than in the control group (p<0.05). Observation at the 1-year follow-up showed that the average GFR was significantly higher in the treatment group than in the control group. Furthermore, the proportion of patients with stage 1-3 chronic kidney disease was significantly higher in the treatment group than in the control group (p<0.05). CONCLUSIONS The SGLT-2 inhibitor had a good therapeutic effect on renal function in patients with diabetic nephropathy, without having effects on fasting blood glucose. Additionally, it significantly delayed the progression of nephropathy. It is therefore worth clinical promotion.
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Affiliation(s)
- X Jian
- Department of Nephrology, Sichuan Mianyang 404 Hospital, Mianyang, China.
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Gong Y, Wu X, Wang T, Zhao J, Liu X, Yao Z, Zhang Q, Jian X. Targeting PEPT1: a novel strategy to improve the antitumor efficacy of doxorubicin in human hepatocellular carcinoma therapy. Oncotarget 2018; 8:40454-40468. [PMID: 28465466 PMCID: PMC5522267 DOI: 10.18632/oncotarget.17117] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [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: 09/02/2016] [Accepted: 04/02/2017] [Indexed: 01/10/2023] Open
Abstract
Proton coupled oligopeptide transporter 1 (PEPT1) is a member of the peptide transporter superfamily and plays important role in the absorption of oligopeptide and peptidomimetic drugs. Our previous research verified that PEPT1 expressed specifically in human Hepatocellular carcinoma (HCC) tissue and cell lines and showed potential transport activity to be a new candidate of the tumor therapeutic target. In this study, we aim to explore the feasibility of a novel tumor target therapeutic strategy: Targeting PEPT1 to improve the antitumor efficacy of Doxorubicin in human HCC therapy. First, Doxorubicin was conjugated with Glycylglycylglycine (Gly-Gly-Gly) − a tripeptide which was known as the substrate of PEPT1 and characterized by HPLC and MS successfully. Doxorubicin-tripeptide conjugate was then observed to clarify the target delivery by PEPT1 and the antitumor effect on human hepatocarcinoma in vivo and in vitro. Furthermore, the improvement of the toxic and side effect of Doxorubicin after conjugation was also evaluated by some biochemical tests. Our results reveal that targeting PEPT1 may contribute to the efficient delivery of Doxorubicin to hepatocarcinoma cells and the reduction of drug toxicity. PEPT1 has the prospect to be a novel target of HCC therapy.
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Affiliation(s)
- Yanxia Gong
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin, 300052, China.,Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin, 300100, China
| | - Xiang Wu
- Central Laboratory, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Tao Wang
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Jia Zhao
- Clinical Laboratory, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Xi Liu
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Zhi Yao
- Department of Immunology, School of Basic Medical Science, Tianjin Medical University, Tianjin, 300070, China
| | - Qingyu Zhang
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Xu Jian
- Central Laboratory, Tianjin Medical University General Hospital, Tianjin, 300052, China
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29
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Chuan-Ming L, Jian-Xia T, Yang-Sheng C, Bin X, Guang-Jie H, Qin L, Song Z, Jian X. [Population structure and seasonal dynamics of mosquitoes in different types of residential areas]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2017; 29:720-724. [PMID: 29469450 DOI: 10.16250/j.32.1374.2017165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
OBJECTIVE To investigate the effect of the type of neighborhoods on the population structure and dynamics of mosquitoes. METHODS The adult population dynamics and larvae breeding of mosquitoes in four different types of neighborhoods were investigated in Yangzhou City. RESULTS The number of trapped mosquitoes was the largest in the urban villages, and more than 800 adult mosquitoes were trapped in each urban village, which was significantly higher than that of ordinary and high quality residences. Aedes albopictus and Culex pipiens pallens were dominant species (D > 10%) in the four types of residential areas, and Ae. albopictus was the most dominant species (D > 57%). The peak occurrence of Ae. albopictus in different areas occurred in early June, and it occurred again in the urban village in the middle of September. The occurrence quantity of Cx. pipiens pallens was stable in the ordinary residence and high quality residence, while in the urban village and resettlement residential area, the peak occurred in mid-October. The orders of positive rates, densities and the numbers of mosquitoes in the different types of residential areas were:the urban villages> the resettlement residence> the ordinary residence> the high quality residence. The water vat had the highest positive rate in all kinds of larval habitats, followed by tires and green belt with garbage water. CONCLUSIONS The main mosquito species in the four different types of residential areas are all Ae. albopictus and Cx. pipiens pallens, but the positive rate, density and the number of mosquitoes in the different types significantly change, especially in the urban villages, the number and the occurrence peak are significant different from those in the other types of residential areas.
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Affiliation(s)
- Li Chuan-Ming
- Jiangsu Lixiahe Institute of Agricultural Sciences, Yangzhou 225009, China
| | | | - Cai Yang-Sheng
- Jiangsu Lixiahe Institute of Agricultural Sciences, Yangzhou 225009, China
| | - Xu Bin
- Jiangsu Lixiahe Institute of Agricultural Sciences, Yangzhou 225009, China
| | - Han Guang-Jie
- Jiangsu Lixiahe Institute of Agricultural Sciences, Yangzhou 225009, China
| | - Liu Qin
- Jiangsu Lixiahe Institute of Agricultural Sciences, Yangzhou 225009, China
| | - Zhao Song
- Jiangsu Institute of Parasitic Diseases, China
| | - Xu Jian
- Jiangsu Lixiahe Institute of Agricultural Sciences, Yangzhou 225009, China
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30
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Li P, Zhu ML, Pan GP, Lu JX, Zhao FR, Jian X, Liu LY, Wan GR, Chen Y, Ping S, Wang SX, Hu CP. Vitamin B6 prevents isocarbophos-induced vascular dementia in rats through N-methyl-D-aspartate receptor signaling. Clin Exp Hypertens 2017; 40:192-201. [PMID: 28872356 DOI: 10.1080/10641963.2017.1356844] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
BACKGROUND We have previously reported that the long-term exposure of organophosphorus induces vascular dementia (VD) in rats. As a coenzyme, vitamin B6 is mainly involved in the regulation of metabolisms. Whether vitamin B6 improves VD remains unknown. METHODS The model of VD was induced by feeding rats with isocarbophos (0.5 mg/kg per two day, 12 weeks). The blood flow of the posterior cerebral artery (PCA) in rat was assessed by transcranial Doppler (TCD). The learning and memory were evaluated by the Morris Water Maze (MWM) test. RESULTS Administration of vitamin B6 increased the blood flow in the right and left posterior cerebral arteries and improved the functions of learning and memory in isocarbophos-treated rats. Vitamin B6 increased the protein levels of N-methyl-D-aspartate receptor (NMDAR) 2B, postsynaptic densities (PSDs) protein 95, and calmodulin-dependent protein kinase II (CaMK-II) in the hippocampus, which were decreased by isocarbophos in rats. Morphological analysis by light microscope and electronic microscope indicated disruptions of the hippocampus caused by isocarbophos were normalized by vitamin B6. Importantly, the antagonist of NMDAR signaling by eliprodil abolished these beneficial effects produced by vitamin B6 on PCA blood flow, learning, memory, and hippocampus structure in rats, as well as the protein expression of NMDAR 2B, PSDs protein 95, and CaMK-II in the hippocampus. CONCLUSION Vitamin B6 activates NMDAR signaling to prevent isocarbophos-induced VD in rats.
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Affiliation(s)
- Peng Li
- a Department of Pharmacology , Xiangya School of Pharmaceutical Sciences, Central South University , Changsha , China.,b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China
| | - Mo-Li Zhu
- c The Key Laboratory of Cardiovascular Remodeling and Function Research , Qilu Hospital, Shandong University , Jinan , China
| | - Guo-Pin Pan
- b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China
| | - Jun-Xiu Lu
- b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China
| | - Fan-Rong Zhao
- b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China
| | - Xu Jian
- b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China
| | - Li-Ying Liu
- a Department of Pharmacology , Xiangya School of Pharmaceutical Sciences, Central South University , Changsha , China.,b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China
| | - Guang-Rui Wan
- b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China
| | - Yuan Chen
- c The Key Laboratory of Cardiovascular Remodeling and Function Research , Qilu Hospital, Shandong University , Jinan , China
| | - Song Ping
- b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China
| | - Shuang-Xi Wang
- b College of Pharmacy , School of Basic Medicine and Sanquan Medical College, Xinxiang Medical University , Xinxiang , China.,c The Key Laboratory of Cardiovascular Remodeling and Function Research , Qilu Hospital, Shandong University , Jinan , China
| | - Chang-Ping Hu
- a Department of Pharmacology , Xiangya School of Pharmaceutical Sciences, Central South University , Changsha , China
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Gong Y, Zhang J, Wu X, Wang T, Zhao J, Yao Z, Zhang Q, Liu X, Jian X. Specific expression of proton-coupled oligopeptide transporter 1 in primary hepatocarcinoma-a novel strategy for tumor-targeted therapy. Oncol Lett 2017; 14:4158-4166. [PMID: 28943923 PMCID: PMC5592876 DOI: 10.3892/ol.2017.6724] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [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: 12/11/2015] [Accepted: 05/16/2017] [Indexed: 12/13/2022] Open
Abstract
Proton-coupled oligopeptide transporter 1 (PEPT1) is a membrane protein which expressed predominantly in intestine and recognized as the target of dietary nutrients (di/tripeptide) or peptidomimetic drug for delivery. The information on the existence of PEPT1 in carcinomas were limited. Our study aimed to investigate the expression profile and transport activity of PEPT1 both in human hepatocarcinoma tissues and cell lines. Western blotting and an immunofluorescence assay revealed the high level of PEPT1 protein expression in hepatocarcinoma Bel-7402, SMMC-7721, HepG2, HEP3B, SK-HEP-1 cell lines. Quantitative real time PCR showed the mRNA expression of PEPT1 in Bel-7402, SMMC-7721, HepG2, HEP3B, SK-HEP-1 cells. High level PEPT1 expression in hepatocarcinoma patient samples were observed by Immunohistology and showed a significant correlation between protein level and pathological grade. Functional activities were also studied using D-Ala-Lys-AMCA (a substrate of peptide transporter) in above five hepatocarcinoma cell lines. The uptake tests performed by fluorescent microscopy suggested that PEPT1 can transport both D-Ala-Lys-AMCA into the hepatocarcinoma cells and the uptake can be competitively inhibited by three PEPT1 substrates (Gly-sar, Gly-gln and Glyglygly). In conclusion, our findings provided the novel information on the expression and function of PEPT1 in human hepatocarcinoma and expanded the potential values for tumor specific drug delivery.
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Affiliation(s)
- Yanxia Gong
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China.,Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
| | - Jie Zhang
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Xiang Wu
- Central Laboratory, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Tao Wang
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Jia Zhao
- Clinical Laboratory, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Zhi Yao
- Department of Immunology, School of Basic Medical Science, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Qingyu Zhang
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Xi Liu
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Xu Jian
- Central Laboratory, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
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Zhu ML, Yin YL, Ping S, Yu HY, Wan GR, Jian X, Li P. Berberine promotes ischemia-induced angiogenesis in mice heart via upregulation of microRNA-29b. Clin Exp Hypertens 2017; 39:672-679. [PMID: 28722488 DOI: 10.1080/10641963.2017.1313853] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Berberine has several preventive effects on cardiovascular diseases. Increased expression of miR-29b has been reported to attenuate cardiac remodeling after myocardial infarction (MI). We hypothesized that berberine via an miR-29b-dependent mechanism promotes angiogenesis and improves heart functions in mice after MI. METHODS The MI model was established in mice by ligation of left anterior descending coronary artery. The expression of miR-29b was examined by RT-qPCR. Angiogenesis was assessed by immunohistochemistry. RESULTS Berberine increased miR-29b expression and promoted cell proliferations and migrations in cultured endothelial cells, which were abolished by miR-29b antagomir or AMP-activated protein kinase inhibitor compound C. In mice following MI, administration of berberine significantly increased miR-29b expressional level, promoted angiogenesis, reduced infarct size, and improved heart functions after 14 postoperative days. Importantly, these in vivo effects of berberine were ablated by antagonism of miR-29b. CONCLUSION Berberine via upregulation of miR-29b promotes ischemia-induced angiogenesis and improves heart functions.
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Affiliation(s)
- Mo-Li Zhu
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
| | - Ya-Ling Yin
- b School of Basic Medical Sciences , Xinxiang Medical University , Xinxiang , Henan , China
| | - Song Ping
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
| | - Hai-Ya Yu
- c Department of Neurology , The People's Hospital of Xishui County , Huangang , Hubei , China
| | - Guang-Rui Wan
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
| | - Xu Jian
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
| | - Peng Li
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
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Zhu ML, Lu JX, Pan GP, Ping S, Zhao FR, Qi HT, Yu HY, Jian X, Wan GR, Li P. Traditional Chinese medicine Ka-Sai-Ping suppresses the growths of gastric cancers via induction of autophagy. Oncotarget 2017; 8:95075-95082. [PMID: 29221112 PMCID: PMC5707006 DOI: 10.18632/oncotarget.18041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 05/10/2017] [Indexed: 11/25/2022] Open
Abstract
Traditional Chinese medication is increasingly used to treat a wide range of human chronic diseases like cardiovascular diseases and cancers. This study was designed to explore whether ka-sai-ping (KSP), a novel traditional Chinese medicine developed by us, prevents gastric cancer growths and to investigate the underlying mechanism. The xenograft model of mouse gastric cancer was established by injecting MFCs into nude mouse subcutaneously. Cell autophagy was assessed by MDC staining. Lysosome and mitochondria were detected by Lyso-Tracker Red and Mito-Traker Green staining. Incubation of cultured mouse gastric cancer cell line MFCs with KSP for 48 hours, concentration-dependently reduced cell survivals and activated autophagy, which were accompanied with damaged lysosomes and mitochondria. In vivo studies indicated that KSP therapy (20 ml/kg/day) for two weeks suppressed the growth of gastric cancer, increased the protein levels of LC3-II, beclin-1, cathepsin L, bcl-2, p53, and capase-3 in tumor tissues from the xenograft model of mouse gastric cancer. Importantly, all these effects induced by KSP were abolished by co-administration of autophagy inhibitor 3-MA. In conclusion, KSP activates cell autophagy to suppress gastric cancer growths. Clinically, KSP is potentially considered as a medicine to treat patients with gastric cancer.
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Affiliation(s)
- Mo-Li Zhu
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Jun-Xiu Lu
- Department of Histology and Embryology, Xinxiang Medical University, Xinxiang, China
| | - Guo-Pin Pan
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Song Ping
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Fan-Rong Zhao
- San-Quan College of Xinxiang Medical University, Xinxiang, China
| | - Heng-Tian Qi
- Department of Cardiothoracic Surgery, The Third Affiliated Hospital, Xinxiang Medical University, Xinxiang, China
| | - Hai-Ya Yu
- Department of Neurology, The People's Hospital of Xishui County, Huangang, Hubei, China
| | - Xu Jian
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Guang-Rui Wan
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Peng Li
- College of Pharmacy, Xinxiang Medical University, Xinxiang, China
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34
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Jian X, Tong-Yi Z, Wei H, Ming-yi H. Improved discrete particle swarm optimization for solving the practical sensors deployment. Evolving Systems 2017. [DOI: 10.1007/s12530-017-9184-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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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35
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Yin YL, Zhu ML, Wan J, Zhang C, Pan GP, Lu JX, Ping S, Chen Y, Zhao FR, Yu HY, Guo T, Jian X, Liu LY, Zhang JN, Wan GR, Wang SX, Li P. Traditional Chinese medicine xin-mai-jia recouples endothelial nitric oxide synthase to prevent atherosclerosis in vivo. Sci Rep 2017; 7:43508. [PMID: 28252100 PMCID: PMC5333158 DOI: 10.1038/srep43508] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 01/27/2017] [Indexed: 11/09/2022] Open
Abstract
Endothelial dysfunction, which is caused by endothelial nitric oxide synthase (eNOS) uncoupling, is an initial step in atherosclerosis. This study was designed to explore whether Chinese medicine xin-mai-jia (XMJ) recouples eNOS to exert anti-atherosclerotic effects. Pretreatment of XMJ (25, 50, 100 μg/ml) for 30 minutes concentration-dependently activated eNOS, improved cell viabilities, increased NO generations, and reduced ROS productions in human umbilical vein endothelial cells incubated with H2O2 for 2 hours, accompanied with restoration of BH4. Importantly, these protective effects produced by XMJ were abolished by eNOS inhibitor L-NAME or specific eNOS siRNA in H2O2-treated cells. In ex vivo experiments, exposure of isolated aortic rings from rats to H2O2 for 6 hours dramatically impaired acetylcholine-induced vasorelaxation, reduced NO levels and increased ROS productions, which were ablated by XMJ in concentration-dependent manner. In vivo analysis indicated that administration of XMJ (0.6, 2.0, 6.0 g/kg/d) for 12 weeks remarkably recoupled eNOS and reduced the size of carotid atherosclerotic plaque in rats feeding with high fat diet plus balloon injury. In conclusion, XMJ recouples eNOS to prevent the growth of atherosclerosis in rats. Clinically, XMJ is potentially considered as a medicine to treat patients with atherosclerosis.
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Affiliation(s)
- Ya-Ling Yin
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Mo-Li Zhu
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Jia Wan
- Department of Drug and Cosmetics Supervision, Henan Food and Drug Administration, Zhengzhou, 450018, China
| | - Chong Zhang
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Guo-Pin Pan
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Jun-Xiu Lu
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Song Ping
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Yuan Chen
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, 250012, China
| | - Fan-Rong Zhao
- Sanquan College of Xinxiang Medical University, Xinxiang, 453003, China
| | - Hai-Ya Yu
- Department of Neurology, The People's Hospital of Xishui County, Huangang, Hubei, China
| | - Tao Guo
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, 250012, China
| | - Xu Jian
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Li-Ying Liu
- Sanquan College of Xinxiang Medical University, Xinxiang, 453003, China.,Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Jia-Ning Zhang
- Biology and Chemistry, Denison University, Granville, OH, USA
| | - Guang-Rui Wan
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Shuang-Xi Wang
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, 250012, China
| | - Peng Li
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
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36
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Qin L, Xifa S, Dawei X, Yangjing X, Kangting J, Jian X, Suqin Z. Role of hypoxia-inducible factor in diabetic myocardial hypertrophy. TROP J PHARM RES 2016. [DOI: 10.4314/tjpr.v15i11.17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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37
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Hongyan L, Jian X, Baorong Z, Yue J, Minhua L, Yilang L, Jing Z. [Accidental injection of sodium hypochlorite in inferior alveolar nerve block anesthesia]. Hua Xi Kou Qiang Yi Xue Za Zhi 2016; 34:657-658. [PMID: 28318172 DOI: 10.7518/hxkq.2016.06.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sodium hypochlorite (NaClO) has been widely used in clinical practice as one of the most efficient root canal irrigants. Its properties include broad-spectrum antimicrobial activity and ability to dissolve necrotic tissues. However, when used improperly, NaClO can cause a series of adverse reactions, such as mucosal inflammation, irritation, or injury. This paper presents a case of accidental injection of NaClO in inferior alveolar nerve block anesthesia.
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Affiliation(s)
- Li Hongyan
- Dept. of Dental Center, Aviation General Hospital of China Medical University, Beijing Institute of Translation Medicine, China Academy of Science, Beijing 100012, China;School of Stomatology, Weifang Medical University, Weifang 261053, China
| | - Xu Jian
- Dept. of Dental Center, Aviation General Hospital of China Medical University, Beijing Institute of Translation Medicine, China Academy of Science, Beijing 100012, China
| | - Zhang Baorong
- Dept. of Dental Center, Aviation General Hospital of China Medical University, Beijing Institute of Translation Medicine, China Academy of Science, Beijing 100012, China
| | - Jia Yue
- Dept. of Dental Center, Aviation General Hospital of China Medical University, Beijing Institute of Translation Medicine, China Academy of Science, Beijing 100012, China
| | - Liu Minhua
- Dept. of Dental Center, Aviation General Hospital of China Medical University, Beijing Institute of Translation Medicine, China Academy of Science, Beijing 100012, China
| | - Luo Yilang
- Dept. of Dental Center, Aviation General Hospital of China Medical University, Beijing Institute of Translation Medicine, China Academy of Science, Beijing 100012, China
| | - Zhao Jing
- Dept. of Dental Center, Aviation General Hospital of China Medical University, Beijing Institute of Translation Medicine, China Academy of Science, Beijing 100012, China
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38
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Cao Y, Liang L, Jian X, Wu J, Yan Y, Lin P, Chen Q, Zheng F, Wang Q, Ren Q, Gou Z, Fan Y, Du Y. Memory-enhancing effect of Rhodiola rosea L extract on aged mice. TROP J PHARM RES 2016. [DOI: 10.4314/tjpr.v15i7.14] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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39
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Jian X, Hui-Zhe L, Xiu-Mei L, Hong-Jun A. MRI-compatible Nb-60Ta-2Zr alloy used for vascular stents: mechanical properties, corrosion resistance and haemocompatibility. Front Bioeng Biotechnol 2016. [DOI: 10.3389/conf.fbioe.2016.01.01239] [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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40
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Chen J, Jiang C, Li N, Gao Z, Chen L, Wu X, Chen X, Jian X. Bipaddled split pectoralis major myocutaneous flaps for single-stage immediate reconstruction of oral mucosal defects combined with neck defects in recurrent oral cancer patients. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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41
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Chen J, Jiang C, Min A, Ren H, Gao Z, Jian X. Chimerical DCIAPF for simultaneous reconstruction of composite oromandibular defects. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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42
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Chen J, Zhuang G, Li Q, Liu Y, Gao L, Zhou YN, Jian X, Xiong CY, Wang ZJ, Brower DL, Ding WX. High resolution polarimeter-interferometer system for fast equilibrium dynamics and MHD instability studies on Joint-TEXT tokamak (invited). Rev Sci Instrum 2014; 85:11D303. [PMID: 25430163 DOI: 10.1063/1.4891603] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A high-performance Faraday-effect polarimeter-interferometer system has been developed for the J-TEXT tokamak. This system has time response up to 1 μs, phase resolution < 0.1° and minimum spatial resolution ∼15 mm. High resolution permits investigation of fast equilibrium dynamics as well as magnetic and density perturbations associated with intrinsic Magneto-Hydro-Dynamic (MHD) instabilities and external coil-induced Resonant Magnetic Perturbations (RMP). The 3-wave technique, in which the line-integrated Faraday angle and electron density are measured simultaneously by three laser beams with specific polarizations and frequency offsets, is used. In order to achieve optimum resolution, three frequency-stabilized HCOOH lasers (694 GHz, >35 mW per cavity) and sensitive Planar Schottky Diode mixers are used, providing stable intermediate-frequency signals (0.5-3 MHz) with S/N > 50. The collinear R- and L-wave probe beams, which propagate through the plasma poloidal cross section (a = 0.25-0.27 m) vertically, are expanded using parabolic mirrors to cover the entire plasma column. Sources of systematic errors, e.g., stemming from mechanical vibration, beam non-collinearity, and beam polarization distortion are individually examined and minimized to ensure measurement accuracy. Simultaneous density and Faraday measurements have been successfully achieved for 14 chords. Based on measurements, temporal evolution of safety factor profile, current density profile, and electron density profile are resolved. Core magnetic and density perturbations associated with MHD tearing instabilities are clearly detected. Effects of non-axisymmetric 3D RMP in ohmically heated plasmas are directly observed by polarimetry for the first time.
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Affiliation(s)
- J Chen
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - G Zhuang
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Q Li
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Y Liu
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - L Gao
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Y N Zhou
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - X Jian
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - C Y Xiong
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Z J Wang
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - D L Brower
- Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095, USA
| | - W X Ding
- Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095, USA
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43
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Chen J, Zhuang G, Jian X, Li Q, Liu Y, Gao L, Wang ZJ. Equilibrium reconstruction based on core magnetic measurement and its applications on equilibrium transition in Joint-TEXT tokamak. Rev Sci Instrum 2014; 85:103501. [PMID: 25362387 DOI: 10.1063/1.4896476] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Evaluation and reconstruction of plasma equilibrium, especially to resolve the safety factor profile, is imperative for advanced tokamak operation and physics study. Based on core magnetic measurement by the high resolution laser polarimeter-interferometer system (POLARIS), the equilibrium of Joint-TEXT (J-TEXT) plasma is reconstructed and profiles of safety factor, current density, and electron density are, therefore, obtained with high accuracy and temporal resolution. The equilibrium reconstruction procedure determines the equilibrium flux surfaces essentially from the data of POLARIS. Refraction of laser probe beam, a major error source of the reconstruction, has been considered and corrected, which leads to improvement of accuracy more than 10%. The error of reconstruction has been systematically assessed with consideration of realistic diagnostic performance and scrape-off layer region of plasma, and its accuracy has been verified. Fast equilibrium transitions both within a single sawtooth cycle and during the penetration of resonant magnetic perturbation have been investigated.
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Affiliation(s)
- J Chen
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - G Zhuang
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - X Jian
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Q Li
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Y Liu
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - L Gao
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Z J Wang
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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44
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Hongjun Z, Xu W, Ji Y, Jian X, Min C. ASSA13-03-53 Effects of Doxycycline on Cx43 Distribution and Cardiac Arrhythmia Susceptibility of Rats After Myocardial Infarction. Heart 2013. [DOI: 10.1136/heartjnl-2013-303992.093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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45
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Hu WJ, Zhang Y, Jian X, Wang JK. [Study of PbSe quantum dots for use in luminescence solar concentrators]. Guang Pu Xue Yu Guang Pu Fen Xi 2013; 33:409-413. [PMID: 23697122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
With the study of the characteristic of luminescence solar concentrator, a simple and practicable Monte Carlo simulation system was invented based on ray tracing method. PbSe quantum dots were successfully introduced into this system, and the optical parameter and quantum dots concentration were simulated and optimized. The cost per unit of the solar cell base on luminescence solar concentrator was investigated, and it was found that the cost of traditional solar cells can be reduced by 49.2%.
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Affiliation(s)
- Wen-Jia Hu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
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46
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Jian X, Fu Z, Zhang Y, Che X, Lu R, Yao Z. Subcellular location of antitumor tripeptide-tyroserleutide in human hepatocellular carcinoma cells. Exp Ther Med 2011; 3:195-199. [PMID: 22969868 DOI: 10.3892/etm.2011.401] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Accepted: 11/23/2011] [Indexed: 11/05/2022] Open
Abstract
Tyroserleutide (YSL) is a tripeptide compound that exhibits potent antitumor activity in human tumor xenografts and tumor cell lines. However, the target of YSL on which it exerts its antitumor activity has yet to be identified. Therefore, our study aimed to investigate the subcellular location of YSL in BEL-7402 human hepatocellular carcinoma cells. Using methods of fluorescent tracing and confocal colocalization, we provide evidence that when BEL-7402 cells are treated with YSL, YSL is distributed in the cytoplasm and colocalized with the mitochondria of cancer cells. Furthermore, we observed the effect of YSL on the isolated mitochondria. Using fluorescence spectrophotometry to monitor the Δψ collapse of mitochondria isolated from BEL-7402 cells by reversion of the quenching of tetramethylrhodamine methyl ester (TMRM), we found that the isolated mitochondria reversed the quenching of the fluorescence in the solution containing TMRM and YSL. This indicates that YSL decreases the Δψ of the isolated mitochondria. Another photometry method was used to observe the effect on mitochondrial swelling when YSL acted directly on the isolated mitochondria. We reveal that YSL directly causes mitochondrial swelling in 60 min. In conclusion, this study encloses a preliminary facet of the pharmacological target of YSL, and we speculate that YSL may act directly on the mitochondria to exert its antitumor activity.
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Affiliation(s)
- Xu Jian
- Central Laboratory of General Hospital of Tianjin Medical University
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47
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Ji Y, Kangyu C, Jian X, Xizhen F, Xianlin S, Chunsheng A. CRT response score predicts the effects of cardiac resynchronisation therapy. Heart 2011. [DOI: 10.1136/heartjnl-2011-300867.647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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48
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Jian X, Xianlin S, Hao S, Ming C, Hongjun Z, Chunsheng A, Fuyuan L, Xizheng F, Ji Y. Ablation of left posterior fascicular tachycardia during sinus rhythm under the guide of non-contact array. Heart 2011. [DOI: 10.1136/heartjnl-2011-300867.542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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49
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Yihe D, Qinghai M, Zhiyong Y, Jian X, Shusheng C, Yingbing J, Zheyu W. Diagnosis and Microsurgical Treatment of Cavernous Sinus Hemangioma. ACTA ACUST UNITED AC 2010; 38:109-12. [PMID: 20196684 DOI: 10.3109/10731191003634851] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Dou Yihe
- Department of Neurosurgery, Affiliated Hospital of Medical College, Qingdao University, Qingdao, China
| | - Meng Qinghai
- Department of Neurosurgery, Affiliated Hospital of Medical College, Qingdao University, Qingdao, China
| | - Yan Zhiyong
- Department of Neurosurgery, Affiliated Hospital of Medical College, Qingdao University, Qingdao, China
| | - Xu Jian
- Department of Neurosurgery, Affiliated Hospital of Medical College, Qingdao University, Qingdao, China
| | - Che Shusheng
- Department of Neurosurgery, Affiliated Hospital of Medical College, Qingdao University, Qingdao, China
| | - Jiao Yingbing
- Department of Neurosurgery, Affiliated Hospital of Medical College, Qingdao University, Qingdao, China
| | - Wu Zheyu
- Department of Neurosurgery, Affiliated Hospital of Medical College, Qingdao University, Qingdao, China
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50
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Glueckauf RL, Davis WS, Allen K, Chipi P, Schettini G, Tegen L, Jian X, Gustafson DJ, Maze J, Mosser B, Prescott S, Robinson F, Short C, Tickel S, VanMatre J, DiGeronimo T, Ramirez C. Integrative cognitive-behavioral and spiritual counseling for rural dementia caregivers with depression. Rehabil Psychol 2010; 54:449-61. [PMID: 19929127 DOI: 10.1037/a0017855] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Discuss initial evaluation of a program for training faith community nurses (FCNs) to conduct cognitive-behavioral and spiritual counseling (CBSC) for rural dementia caregivers (CGs), and present 2 case studies on the use of CBSC for treating depression in this population. STUDY DESIGN Pre-post evaluation of the effectiveness of CBSC training and a case study analysis of the effectiveness of CBSC on CG problem improvement and depression. OUTCOME MEASURES For FCN training, we used the FCN Counseling Comfort Scale, FCN Counseling Efficacy Scale, and the FCN Counseling Workshop Satisfaction Survey. The Problem Severity Scale and Center for Epidemiologic Studies Depression Scale were used in the case studies. RESULTS Significant post-training increases in FCN counseling comfort and perceived counseling efficacy were obtained. Case study findings provided evidence of substantial improvement in caregiving problems and reductions in depression. CONCLUSIONS Preliminary outcomes of FCN training and CBSC for dementia CGs were promising. However, replication across the sample is required to evaluate the overall effectiveness of CBSC for reducing CG depression. Specific competencies and ethical considerations in supervising this form of intervention are also addressed.
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