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Huo Y, Li M, An Z, Sun J, Mei Q, Wei B, Qiu Z, Xie J, He M. Ozonolysis of Permethrin in the Atmosphere: Mechanism, Kinetics, and Evaluation of Toxicity. J Phys Chem A 2021; 125:7705-7715. [PMID: 34459596 DOI: 10.1021/acs.jpca.1c04812] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Pyrethroid, a pesticide widely used worldwide, could mimic, block, or synergize the effects of endogenous hormones in humans or mammals after entering into the atmosphere and after being sprayed and applied in large quantities. This research aims to study the mechanism, kinetics, and eco-toxicity evaluation of the ozonolysis of permethrin (PER)-one of the typical pyrethroid (type I) pesticides. Existing experimental studies only predicted that ozonolysis of PER could generate a cycloperoxy analogue of PER (IM13-1-11), and the reaction mechanism has not yet been completed. To make up for the lack of experimental results, the 13 primary reaction pathways of PER and ozone, as well as the subsequent reactions of Criegee intermediates with small molecules such as NOx, COx, SO2, and O2, have been studied to propose new reaction paths by quantum chemical calculations in this work. We calculated the total reaction rate constant of PER and ozone at 298 K and 1 atm based on the calculated thermodynamic data and the transition state theory (TST), which was compared with the experimental values to prove the reliability of our results. Based on the quantitative structure and activity relationship, we predicted the acute and chronic toxicity of PER and its products of ozonolysis to three representative organisms-fish, daphnia, and green algae to avoid animal experiments. The results show that ozonolysis products of PER are still extremely harmful to the environment and should be taken seriously, although the products have less toxicity than PER.
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Affiliation(s)
- Yanru Huo
- Environment Research Institute, Shandong University, Qingdao 266237, P. R. China
| | - Mingxue Li
- Environment Research Institute, Shandong University, Qingdao 266237, P. R. China
| | - Zexiu An
- Environment Research Institute, Shandong University, Qingdao 266237, P. R. China
| | - Jianfei Sun
- School of Environmental and Materials Engineering, Yantai University, Yantai 264005, P. R. China
| | - Qiong Mei
- Environment Research Institute, Shandong University, Qingdao 266237, P. R. China
| | - Bo Wei
- Environment Research Institute, Shandong University, Qingdao 266237, P. R. China
| | - Zhaoxu Qiu
- Environment Research Institute, Shandong University, Qingdao 266237, P. R. China
| | - Ju Xie
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002 Jiangsu, China
| | - Maoxia He
- Environment Research Institute, Shandong University, Qingdao 266237, P. R. China
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252
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Li W, Zheng R, Yang X, Liang R, Wei B, Jiang T, Yang Q, Zhou Y. Chest CT Features from 58 Patients with COVID-19 Pneumonia from the Perspective of ACE2. Clin Lab 2021; 67. [PMID: 34542979 DOI: 10.7754/clin.lab.2021.210141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Chest CT is important for the diagnosis of Corona Virus Disease 2019, which is caused by SARS-CoV-2 via the receptor angiotensin-converting enzyme 2. This study aimed to present special chest CT changes in the detection and management of COVID-19. METHODS From February 20 to March 6, 2020, clinical data and chest CT of patients with COVID-19 being treated by the Hubei Medical Team were retrospectively analyzed with a time-interval of 2 weeks. In addition, the expressions of ACE2 in different parts of the respiratory system were detected by immunohistochemical staining to explain the special chest CT features of COVID-19 by ACE2 expression. RESULTS Of 58 patients, the main respiratory manifestations were fever and cough. Spherical or patchy GGO was the initial CT manifestation of COVID-19 pneumonia. CT findings manifested as rapid evolution from focal unilateral to diffuse bilateral ground-glass opacities (GGO) that progressed to or co-existed with consolidations in chest CT scans. Lung consolidation increased as the disease progressed, accounting for 63.2%, 76.3%, and 87.5% in group 1 (disease course with 0 - 2 weeks), group 2 (2 - 4 weeks), and group 3 (> 4 weeks). Fibrous lesions (72.3%), high density vascular shadow (69.2%), reticular pattern (63.1%), and subpleural parallel sign (61.5%) were common signs of chest CT of COVID-19. IHC results showed that ACE2-expression in the pulmonary alveoli was significantly higher than that in the bronchial mucosa and pleura (p < 0.001). CONCLUSIONS The special change of CT features in the lung of COVID-19 pneumonia patients have a connection with ACE2 expression patterns in the respiratory system.
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253
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Zhao CF, Hu HX, Chen L, Wang LL, Wei B, Xu H. [Analysis of seven cases of multiple myeloma with initial manifestation of bleeding]. Zhonghua Nei Ke Za Zhi 2021; 60:831-833. [PMID: 34445821 DOI: 10.3760/cma.j.cn112138-20200828-00780] [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: 11/05/2022]
Abstract
A retrospective analysis of 7 patients of multiple myeloma (MM) with initial manifestation of bleeding and coagulation abnormalities were performed. Clinical manifestations, laboratory and imaging examinations were collected. The activity of coagulation factors was measured before the treatment. Single factor X deficiency was seen in one patient. Two cases had factor Ⅶ deficiency, while four other patients had multiple factor deficiency. The time from onset of symptoms to diagnosis ranged from 2 to 10 months. After anti-MM treatment started and plasma or coagulation factors were transfused, the prolonged coagulation time returned to normal from 28-84 days. Most of these patients presented large, deep and multiple sites of hematoma, which caused concerns of bone marrow puncture and may direct to other differential diagnoses. This is helpful to improve physicians' understanding of the special clinical characteristics in MM patients.
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Affiliation(s)
- C F Zhao
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, JinHua Municipal Central Hospital, Zhejiang, Jinhua 321000, China
| | - H X Hu
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, JinHua Municipal Central Hospital, Zhejiang, Jinhua 321000, China
| | - L Chen
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, JinHua Municipal Central Hospital, Zhejiang, Jinhua 321000, China
| | - L L Wang
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, JinHua Municipal Central Hospital, Zhejiang, Jinhua 321000, China
| | - B Wei
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, JinHua Municipal Central Hospital, Zhejiang, Jinhua 321000, China
| | - H Xu
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, JinHua Municipal Central Hospital, Zhejiang, Jinhua 321000, China
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254
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Wei B, Xiao GR, Wu CL, Xu YQ. HAGLR promotes neuron differentiation through the miR-130a-3p-MeCP2 axis. Open Med (Wars) 2021; 16:1121-1131. [PMID: 34430707 PMCID: PMC8345017 DOI: 10.1515/med-2021-0301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 04/13/2021] [Accepted: 04/28/2021] [Indexed: 12/15/2022] Open
Abstract
Parkinson's disease (PD) is a prevalent neurodegenerative disease. Currently, the molecular mechanisms underlying the progressions of PD are not fully understood. The human neuroblastoma cell line SH-SY5Y has been widely used as an in vitro model for PD. This study aims to investigate the molecular mechanisms of the non-coding RNA-mediated SH-SY5Y differentiation induced by retinoic acid (RA). By microArray analysis, lncRNA HAGLR was observed to be significantly upregulated during the RA-induced SH-SY5Y differentiation. Silencing HAGLR blocked the RA-induced SH-SY5Y differentiation. Moreover, bioinformatical analysis illustrated that miR-130a-3p contains binding sites for HAGLR. The RNA-pull down assay and luciferase assay demonstrated that HAGLR functioned as a ceRNA of miR-130a-3p in SH-SY5Y cells. Overexpression of miR-130a-3p effectively inhibited SH-SY5Y differentiation. We identified MeCP2, a vital molecule in neuronal diseases, to be a direct target of miR-130a-3p in SH-SY5Y cells by western blot and luciferase assays. The rescue experiments verified that recovery of miR-130a-3p in HAGLR-overexpressing SH-SY5Y cells could successfully overcome the RA-induced SH-SY5Y differentiation by targeting MeCP2. In summary, this study reveals a potential molecular mechanism for the lncRNA-HAGLR-promoted in vitro neuron differentiation by targeting the miR-130a-3p-MeCP2 axis, contributing to the understanding of the pathogenesis and progression of PD.
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Affiliation(s)
- Bo Wei
- Department of Neurology, Shaoxing People's Hospital, Shaoxing, Zhejiang, 312000, China
| | - Gui-Rong Xiao
- Department of Neurology, Shaoxing People's Hospital, Shaoxing, Zhejiang, 312000, China
| | - Cheng-Long Wu
- Department of Neurology, Shaoxing People's Hospital, Shaoxing, Zhejiang, 312000, China
| | - Yi-Qin Xu
- Department of Neurology, Shaoxing People's Hospital, Shaoxing, Zhejiang, 312000, China
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Sharland JC, Wei B, Hardee DJ, Hodges TR, Gong W, Voight EA, Davies HML. Asymmetric synthesis of pharmaceutically relevant 1-aryl-2-heteroaryl- and 1,2-diheteroarylcyclopropane-1-carboxylates. Chem Sci 2021; 12:11181-11190. [PMID: 34522315 PMCID: PMC8386643 DOI: 10.1039/d1sc02474d] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 06/28/2021] [Indexed: 12/14/2022] Open
Abstract
This study describes general methods for the enantioselective syntheses of pharmaceutically relevant 1-aryl-2-heteroaryl- and 1,2-diheteroarylcyclopropane-1-carboxylates through dirhodium tetracarboxylate-catalysed asymmetric cyclopropanation of vinyl heterocycles with aryl- or heteroaryldiazoacetates. The reactions are highly diastereoselective and high asymmetric induction could be achieved using either (R)-pantolactone as a chiral auxiliary or chiral dirhodium tetracarboxylate catalysts. For meta- or para-substituted aryl- or heteroaryldiazoacetates the optimum catalyst was Rh2(R-p-Ph-TPCP)4. In the case of ortho-substituted aryl- or heteroaryldiazoacetates, the optimum catalyst was Rh2(R-TPPTTL)4. For a highly enantioselective reaction with the ortho-substituted substrates, 2-chloropyridine was required as an additive in the presence of either 4 Å molecular sieves or 1,1,1,3,3,3-hexafluoroisopropanol (HFIP). Under the optimized conditions, the cyclopropanation could be conducted in the presence of a variety of heterocycles, such as pyridines, pyrazines, quinolines, indoles, oxadiazoles, thiophenes and pyrazoles.
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Affiliation(s)
- Jack C Sharland
- Department of Chemistry, Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Bo Wei
- Department of Chemistry, Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - David J Hardee
- Drug Discovery Science and Technology, AbbVie 1 North Waukegan Rd. North Chicago IL 60064 USA
| | - Timothy R Hodges
- Drug Discovery Science and Technology, AbbVie 1 North Waukegan Rd. North Chicago IL 60064 USA
| | - Wei Gong
- Drug Discovery Science and Technology, AbbVie 1 North Waukegan Rd. North Chicago IL 60064 USA
| | - Eric A Voight
- Drug Discovery Science and Technology, AbbVie 1 North Waukegan Rd. North Chicago IL 60064 USA
| | - Huw M L Davies
- Department of Chemistry, Emory University 1515 Dickey Drive Atlanta GA 30322 USA
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256
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Chen ZD, Li MS, Wei B, Xi HQ, Chen L. [Evaluation of basic laparoscopic training under 5A teaching mode]. Zhonghua Wei Chang Wai Ke Za Zhi 2021; 24:711-717. [PMID: 34412189 DOI: 10.3760/cma.j.cn.441530-20200706-00403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the rationality and effectiveness of basic laparoscopic training under 5A teaching mode. Methods: A prospective randomized controlled study was conducted. The teaching records of 70 trainees who received basic laparoscopic traning at the Laparoscopic Surgical Training Base in Chinese PLA General Hospital from July to December 2019 were analyzed. All the trainees participating in the laparoscopy training had obtained the national practicing physician certificates, including 12 junior physicians of our center, 9 intermediate physicians of our center, 19 advanced physicians, 13 postgraduate students, 8 doctoral students, and 9 surgical standardized training physicians. A random number table method was used to divide all the trainees into two groups: the traditional teaching group or the 5A teaching group (35 people in each group). In the traditional teaching group, the training of 4 modules of " precise beans, quincuncial piles, ring positioning and knot-tying suture" modules according to a fixed sequence and schedule was carried out. Each module had a learning time of 8 hours. In the 5A teaching group, the training started from five dimensions of analysis, aim, accomplishment, appraise and advance. Before conducting each stage of training, the actual operation ability of the trainees was tested, each class hour was designed individually, accurate teaching was conducted to the trainees, the ability of the trainees was evaluated dynamically, and the previous steps were cycled periodically based on class hours. The operating time and pass rate of trainees of two groups in the basic operation module of laparoscopy were statistically analyzed, and a hierarchical analysis of related influencing factors was conducted. Results: The time of above modules before training in the 5A teaching group and the traditional teaching group was similar (all P>0.05). After definitive training, the time required for trainees in 5A teaching group and traditional teaching group to complete the 4 modules was shortened to varying degrees. Compared to traditional teaching group, 5A teaching group spent less time in completing each project [precise beans: (63.2±10.1) seconds vs. (83.6±18.7) seconds, quincuncial piles: (56.2±7.3) seconds vs. (101.4±31.7) seconds, ring positioning: (84.2±13.7) seconds vs. (127.3±28.5) seconds, knot-tying suture: (263.2±41.8) seconds vs.(428.8±95.2) seconds, all P<0.05], and had higher pass rates [precise beans: 97.1% (34/35) vs. 80.0% (28/35), quincuncial piles: 91.4% (32/35) vs.71.4% (25/35), ring positioning: 100.0% (35/35) vs. 82.9% (29/35), knot-tying suture: 77.1% (27/35) vs. 60.0% (21/35), all P<0.05]. Among the junior trainees (junior physicians of our center, postgraduate students, doctoral students, and standardized surgical training physicians) and intermediate trainees (intermediate physicians of our center and advanced physicians), the 5A teaching group completed 3 modules (quincuncial piles, ring positioning and knot-tying suture) faster than the traditional teaching group [junior trainees: quincuncial piles (76.4±12.4) seconds vs. (139.8±41.6) seconds, ring positioning (92.2±20.5) seconds vs. (131.3±28.4) seconds, knot-tying suture (293.8±66.7) seconds vs. (444.3±103.3) seconds; intermediate trainees: quincuncial piles (51.4±5.9) seconds vs. (94.7±8.6) seconds, ring positioning (63.9±13.5) seconds vs. (87.5±18.6) seconds, knot-tying suture (210.1±35.6) seconds vs. (367.5±54.9) seconds, all P<0.05]. Conclusion: 5A teaching mode can acheive better training results compared with the traditional teaching mode in basic laparoscopic training, and is worthy of further popularization and application.
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Affiliation(s)
- Z D Chen
- Department of Abdominal Trauma Surgery, Faculty of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China CMDA Laparoscopic Surgeon Training Base (PLA General Hospital Base), Beijing 100853, China
| | - M S Li
- Department of Gastric Surgery, Faculty of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China Beijing Boyi Times Education & Technology Co., Ltd. Beijing 100122, China
| | - B Wei
- Department of Abdominal Trauma Surgery, Faculty of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China CMDA Laparoscopic Surgeon Training Base (PLA General Hospital Base), Beijing 100853, China
| | - H Q Xi
- Department of Abdominal Trauma Surgery, Faculty of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China CMDA Laparoscopic Surgeon Training Base (PLA General Hospital Base), Beijing 100853, China
| | - L Chen
- CMDA Laparoscopic Surgeon Training Base (PLA General Hospital Base), Beijing 100853, China Department of Gastric Surgery, Faculty of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
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257
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Fu Y, He W, Zhou C, Fu X, Wan Q, He L, Wei B. Bioinformatics Analysis of circRNA Expression and Construction of "circRNA-miRNA-mRNA" Competing Endogenous RNAs Networks in Bipolar Disorder Patients. Front Genet 2021; 12:718976. [PMID: 34422020 PMCID: PMC8371557 DOI: 10.3389/fgene.2021.718976] [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: 06/01/2021] [Accepted: 07/13/2021] [Indexed: 01/02/2023] Open
Abstract
Bipolar disorder (BD) is a severe mood disorder disease in China, and its underlying pathogenesis remains unknown. Circular RNAs (circRNAs) have been reported to play a key role in mental disorders and can be used as competitive endogenous RNAs (ceRNAs). However, little is known about the correlation of circRNAs with BD. In this study, Deep RNA sequencing was used to identify differentially expressed circRNAs (DE-circRNAs) and differentially expressed mRNAs (DE-mRNAs) between BD patients and a control group. Real-time quantitative reverse transcription-polymerase chain reaction (qRT-PCR) was used to validate the differentially expressed RNAs (DE-RNAs). In all 9,593 circRNAs and 20,030 mRNAs were found in the two groups of specimens, among which 50 DE-circRNAs and 244 DE-mRNAs were significantly upregulated, and 44 DE-circRNAs and 294 DE-mRNAs were significantly downregulated. Based on the regulatory mechanism of ceRNAs, circRNAs can directly bind microRNAs (miRNAs) to affect mRNA expression, and the expression trends of circRNAs and mRNAs are consistent. According to this mechanism, we constructed two ceRNA networks by using the RNA sequencing data. The function of these DE-circRNAs was further elucidated by enrichment analysis. In summary, the present study showed that the circRNA expression profile of BD patients is altered, and a ceRNA regulatory network was constructed, which provided a hypothesis about the pathogenesis of BD.
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Affiliation(s)
- Yonghui Fu
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, China
| | - Wenfeng He
- Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Chaoxiong Zhou
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, China
| | - Xia Fu
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, China
| | - Qigen Wan
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, China
| | - Ling He
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Bo Wei
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, China
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258
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Affiliation(s)
- Taylor A. Hatridge
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332-0100, United States
| | - Bo Wei
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Huw M. L. Davies
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Christopher W. Jones
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332-0100, United States
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259
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Wei B, Wei T, Xie C, Li K, Hang F. Promising activated carbon derived from sugarcane tip as electrode material for high-performance supercapacitors. RSC Adv 2021; 11:28138-28147. [PMID: 35480768 PMCID: PMC9038012 DOI: 10.1039/d1ra04143f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 08/16/2021] [Indexed: 11/21/2022] Open
Abstract
We present a simple, low-cost method for producing activated-carbon materials from sugarcane tips (ST) via two-step pre-carbonization and KOH activation treatment. After optimizing the amount of KOH, the resulting ST-derived activated carbon prepared with a KOH to PC-ST mass ratio of 2 (ACST-2) contained 17.04 wt% oxygen and had a large surface area of 1206.85 m2 g-1, which could be attributed to the large number of micropores in ACST-2. In a three-electrode system, the ACST-2 electrode exhibited a high specific capacitance of 259 F g-1 at 0.5 A g-1 and good rate capability with 82.66% retention from 0.5 to 10 A g-1. In addition, it displayed a high capacitance retention of 89.6% after 5000 cycles at a current density of 3 A g-1, demonstrating excellent cycling stability. Furthermore, the ACST-2//ACST-2 symmetric supercapacitor could realize a high specific energy density of 7.93 W h kg-1 at a specific power density of 100 W kg-1 in 6 M KOH electrolyte. These results demonstrate that sugarcane tips, which are inexpensive and easily accessible agricultural waste, can be used to create a novel biomass precursor for the production of low-cost activated carbon materials for high-performance supercapacitors.
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Affiliation(s)
- Bo Wei
- School of Light Industrial and Food Engineering, Guangxi University Nanning 530004 China
| | - Tiantian Wei
- School of Light Industrial and Food Engineering, Guangxi University Nanning 530004 China
| | - Caifeng Xie
- School of Light Industrial and Food Engineering, Guangxi University Nanning 530004 China .,Provincial and Ministerial Collaborative Innovation Center for Industry Nanning 530004 China.,Engineering Research Center for Sugar Industry and Comprehensive Utilization, Ministry of Education Nanning 530004 China
| | - Kai Li
- School of Light Industrial and Food Engineering, Guangxi University Nanning 530004 China .,Provincial and Ministerial Collaborative Innovation Center for Industry Nanning 530004 China.,Engineering Research Center for Sugar Industry and Comprehensive Utilization, Ministry of Education Nanning 530004 China
| | - Fangxue Hang
- School of Light Industrial and Food Engineering, Guangxi University Nanning 530004 China .,Provincial and Ministerial Collaborative Innovation Center for Industry Nanning 530004 China.,Engineering Research Center for Sugar Industry and Comprehensive Utilization, Ministry of Education Nanning 530004 China
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260
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Li M, Sun J, Mei Q, Wei B, An Z, Cao H, Zhang C, Xie J, Zhan J, Wang W, He M, Wang Q. Acetaminophen degradation by hydroxyl and organic radicals in the peracetic acid-based advanced oxidation processes: Theoretical calculation and toxicity assessment. J Hazard Mater 2021; 416:126250. [PMID: 34492993 DOI: 10.1016/j.jhazmat.2021.126250] [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: 02/25/2021] [Revised: 05/10/2021] [Accepted: 05/26/2021] [Indexed: 06/13/2023]
Abstract
The research on the mechanisms and kinetics of radical oxidation in peracetic acid-based advanced oxidation processes was relatively limited. In this work, HO• and organic radicals mediated reactions of acetaminophen (ACT) were investigated, and the reactivities of important organic radicals (CH3COO• and CH3COOO•) were calculated. The results showed that initiated reaction rate constants of ACT are in the order: CH3COO• (5.44 × 1010 M-1 s-1) > HO• (7.07 × 109 M-1 s-1) > CH3O• (1.57 × 107 M-1 s-1) > CH3COOO• (3.65 × 105 M-1 s-1) >> •CH3 (5.17 × 102 M-1 s-1) > CH3C•O (1.17 × 102 M-1 s-1) > CH3OO• (11.80 M-1 s-1). HO•, CH3COO• and CH3COOO• play important roles in ACT degradation. CH3COO• is another important radical in the hydroxylation of aromatic compounds in addition to HO•. Reaction rate constants of CH3COO• and aromatic compounds are 1.40 × 106 - 6.25 × 1010 M-1 s-1 with addition as the dominant pathway. CH3COOO• has high reactivity to phenolate and aniline only among the studied aromatic compounds, and it was more selective than CH3COO•. CH3COO•-mediated hydroxylation of aromatic compounds could produce their hydroxylated products with higher toxicity.
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Affiliation(s)
- Mingxue Li
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Jianfei Sun
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, PR China
| | - Qiong Mei
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Bo Wei
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Zexiu An
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Haijie Cao
- Institute of Materials for Energy and Environment, School of Materials Science and Engineering, Qingdao University, Qingdao 266071, PR China
| | - Chao Zhang
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Ju Xie
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China
| | - Jinhua Zhan
- Key Laboratory for Colloid & Interface Chemistry of Education Ministry, Department of Chemistry, Shandong University, Jinan 250100, PR China
| | - Wenxing Wang
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Maoxia He
- Environment Research Institute, Shandong University, Qingdao 266237, PR China.
| | - Qiao Wang
- Environment Research Institute, Shandong University, Qingdao 266237, PR China.
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261
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Wei B, Wang L, Zhao J. Identification of an autophagy-related 10-lncRNA-mRNA signature for distinguishing glioblastoma multiforme from lower‑grade glioma and prognosis prediction. Gen Physiol Biophys 2021; 40:257-274. [PMID: 34350832 DOI: 10.4149/gpbˍ2021008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 03/22/2021] [Indexed: 11/08/2022]
Abstract
Autophagy may provide the source of nutrients for tumor cells. We aim to develop an autophagy-related signature to predict the progression from lower-grade gliomas (LGG) to glioblastoma multiforme (GBM) and prognosis. Totally, 686 differentially expressed genes (DEGs) and 73 long non-coding RNAs (DELs) were identified between GBM and LGG samples from the Chinese Glioma Genome Atlas (CGGA). Of them, 131 DEGs were intersected with autophagy genes from the Human Autophagy Database; while 54 DELs co-expressed with autophagy-related DEGs. Ten autophagy-related genes were associated with overall survival and could distinguish GBM from LGG, with the accuracy of 0.891 using CGGA dataset and 0.790 using The Cancer Genome Atlas (TCGA) dataset. The risk score was established based on these 10 genes. Patients with higher risk score were at an increased risk of developing GBM (49.7% vs. 21.3%; p < 0.001) and worse prognosis than those in low risk group. The prognostic accuracy was 0.840 and 0.744 for CGGA and TCGA dataset, respectively. Age, recurrence, isocitrate dehydrogenase mutation and risk score were independent prognostic factors and thus they were used to build a nomogram which showed the highest prognostic power. This established nomogram may aid the clinical decision making of personalized treatment..
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Affiliation(s)
- Bo Wei
- Department of Neurosurgery, China‑Japan Union Hospital of Jilin University, Changchun, Jilin, China
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Zeng F, Wei B, Lan D, Ge J. Highly Dispersed Ni xGa y Catalyst and La 2O 3 Promoter Supported by LDO Nanosheets for Dry Reforming of Methane: Synergetic Catalysis by Ni, Ga, and La 2O 3. Langmuir 2021; 37:9744-9754. [PMID: 34348023 DOI: 10.1021/acs.langmuir.1c01162] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A highly active and stable Ni-based catalyst is the focal point for research on dry reforming of methane (DRM). Here, NixGay/La2O3-LDO catalysts composed of highly dispersed NixGay and La2O3 nanoparticles supported by the MgO/Al2O3 layered double oxide (LDO) nanosheets were synthesized by chemical methods. According to transmission electron microscopy (TEM), energy-dispersive spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), CO2-TPD, diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), and thermal gravitational analysis (TGA), a synergistic reaction mechanism was proposed to explain the superior performance of the Ni0.8Ga0.2/La2O3-LDO catalyst. The NixGay alloy catalyst provides an effective way to balance the speed of CH4 cracking and CO2 disassociation, and the La2O3 promoter enriched the CO2 and ensured the generation of active O in time. They worked together to inhibit carbon accumulation and significantly improve the catalyst's activity and stability.
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Affiliation(s)
- Fang Zeng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Bo Wei
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Dengpeng Lan
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Jianping Ge
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
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263
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Zhou J, Ma L, Zhao L, Sheng J, Xu Y, Chen J, Yu L, Sun Q, Zhou H, Zhu S, Lu Z, Wei B. Association Between the Prognostic Nutritional Index and Cognitive Function Among Older Adults in the United States: A Population-Based Study. J Alzheimers Dis 2021; 83:819-831. [PMID: 34366335 DOI: 10.3233/jad-210141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Nutritional status has been recognized as an important factor influencing cognitive function-related diseases, but few comprehensive nutrition indicators are available to assess the risk of cognitive decline. OBJECTIVE This study aimed to investigate the relationship between the prognostic nutritional index (PNI) and cognitive function in an elderly population, and the differences in nutrient intake between different levels of nutritional risk. METHODS Based on cross-sectional data from the National Health and Nutrition Examination Survey (NHANES) 2011-2014, we included 2,564 older participants. The lower quartile of each of the four cognitive tests was considered to have cognitive function impairment (CFI). Binary and multivariate logistic regression models were used to estimate the relationship between the PNI and the odds ratio of CFI. RESULTS After adjustment for confounding variables, we found that the odds of CFI were significantly lower for participants with normal PNI levels than for those with low PNI levels. In a comparison of global cognitive impairment scores, participants with a normal PNI had lower ratios of poor cognitive performance than those with a low PNI. By comparing the nutrient intake at different PNI levels, we found a reduction in the intake of protein, dietary fiber, total saturated fatty acids, and multiple micronutrients in the low PNI group. CONCLUSION Our study shows that the PNI can be a good predictor of the odds of CFI in the elderly population and that it is a convenient indicator of reduced intake of nutrients which may be important to brain health.
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Affiliation(s)
- Jie Zhou
- Department of Radiology, Shaoxing 7th People's Hospital, Shaoxing, Zhejiang Province, China
| | - Luping Ma
- Department of Radiology, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Lulei Zhao
- Department of Radiology, Ningbo Yinzhou No.2 Hospital, Ningbo, Zhejiang Province, China
| | - Jiamin Sheng
- Department of Radiology, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang Province, China
| | - Yuhua Xu
- Department of Radiology, Shaoxing 7th People's Hospital, Shaoxing, Zhejiang Province, China
| | - Jie Chen
- Department of Laboratory Medicine, Shaoxing 7th People's Hospital, Shaoxing, Zhejiang Province, China
| | - Liangjun Yu
- Department of Radiology, Shaoxing 7th People's Hospital, Shaoxing, Zhejiang Province, China
| | - Quan Sun
- Department of Radiology, Shaoxing 7th People's Hospital, Shaoxing, Zhejiang Province, China
| | - Hangyang Zhou
- Department of Radiology, Zhuji Affiliated Hospital of Wenzhou Medical University, Shaoxing, Zhejiang Province, China
| | - Shaofeng Zhu
- Department of Radiology, Shaoxing 7th People's Hospital, Shaoxing, Zhejiang Province, China
| | - Zefeng Lu
- Department of Radiology, Shaoxing Second Hospital, Shaoxing, Zhejiang Province, China
| | - Bo Wei
- Department of Neurology, Shaoxing People's Hospital, Shaoxing, Zhejiang Province, China
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264
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Quan X, Tai Y, Wei B, Wu H. Portal Venous Stenosis in Abdominal Tuberculosis. J Vasc Interv Radiol 2021; 32:1235. [PMID: 34332720 DOI: 10.1016/j.jvir.2021.05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 05/21/2021] [Accepted: 05/26/2021] [Indexed: 02/08/2023] Open
Affiliation(s)
- Xin Quan
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China
| | - Yang Tai
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China; Laboratory of Gastroenterology and Hepatology, West China Hospital, Sichuan University, Chengdu, China
| | - Bo Wei
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China
| | - Hao Wu
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China.
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265
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Lu Y, Jiang M, Wei L, Zhang J, Wang Z, Wei B, Xia L. Automated arrhythmia classification using depthwise separable convolutional neural network with focal loss. Biomed Signal Process Control 2021. [DOI: 10.1016/j.bspc.2021.102843] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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266
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Miao YR, Thakkar KN, Qian J, Kariolis MS, Huang W, Nandagopal S, Yang TTC, Diep AN, Cherf GM, Xu Y, Moon EJ, Xiao Y, Alemany H, Li T, Yu W, Wei B, Rankin EB, Giaccia AJ. Neutralization of PD-L2 is Essential for Overcoming Immune Checkpoint Blockade Resistance in Ovarian Cancer. Clin Cancer Res 2021; 27:4435-4448. [PMID: 34011561 PMCID: PMC8338886 DOI: 10.1158/1078-0432.ccr-20-0482] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 02/09/2021] [Accepted: 05/14/2021] [Indexed: 12/12/2022]
Abstract
PURPOSE Ovarian cancer represents a major clinical hurdle for immune checkpoint blockade (ICB), with reported low patient response rates. We found that the immune checkpoint ligand PD-L2 is robustly expressed in patient samples of ovarian cancers and other malignancies exhibiting suboptimal response to ICB but not in cancers that are ICB sensitive. Therefore, we hypothesize that PD-L2 can facilitate immune escape from ICB through incomplete blockade of the PD-1 signaling pathway. EXPERIMENTAL DESIGN We engineered a soluble form of the PD-1 receptor (sPD-1) capable of binding and neutralizing both PD-L2 and PD-L1 with ×200 and ×10,000 folds improvement in binding affinity over wild-type PD-1 leading to superior inhibition of ligand-mediated PD-1 activities. RESULTS Both in vitro and in vivo analyses performed in this study demonstrated that the high-affinity sPD-1 molecule is superior at blocking both PD-L1- and PD-L2-mediated immune evasion and reducing tumor growth in immune-competent murine models of ovarian cancer. CONCLUSIONS The data presented in this study provide justification for using a dual targeting, high-affinity sPD-1 receptor as an alternative to PD-1 or PD-L1 therapeutic antibodies for achieving superior therapeutic efficacy in cancers expressing both PD-L2 and PD-L1.
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Affiliation(s)
- Yu Rebecca Miao
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | - Kaushik N Thakkar
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | - Jin Qian
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
- Department of Obstetrics and Gynecology, Stanford School of Medicine, Stanford, California
| | - Mihalis S Kariolis
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | - Wei Huang
- ChemPartner Shanghai, Shanghai, P.R. China
| | - Saravanan Nandagopal
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | | | - Anh N Diep
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | - Gerald Maxwell Cherf
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | - Yu Xu
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | - Eui Jung Moon
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | - Yiren Xiao
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
- Department of Obstetrics and Gynecology, Stanford School of Medicine, Stanford, California
| | - Haizea Alemany
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
| | - Tiane Li
- Department of Biochemistry, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, P.R. China
| | - Wenhua Yu
- Department of Biochemistry, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, P.R. China
| | - Bo Wei
- China PLA General Hospital, Beijing, P.R. China
| | - Erinn B Rankin
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California
- Department of Obstetrics and Gynecology, Stanford School of Medicine, Stanford, California
| | - Amato J Giaccia
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, California.
- MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford OX3 7DQ, United Kingdom
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267
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Hu L, Jin Y, Lin M, Wei B. Temperature dependence of thermophysical properties for liquid Zr-Sn-Nb-Fe alloy measured at electrostatic levitation state. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138667] [Citation(s) in RCA: 1] [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: 12/24/2022]
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268
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Al-Hassan JM, Wei D, Chakraborty S, Conway T, Rhea P, Wei B, Tran M, Gagea M, Afzal M, Oommen S, Nair D, Paul BM, Yang P. Fraction B From Catfish Epidermal Secretions Kills Pancreatic Cancer Cells, Inhibits CD44 Expression and Stemness, and Alters Cancer Cell Metabolism. Front Pharmacol 2021; 12:659590. [PMID: 34349642 PMCID: PMC8326461 DOI: 10.3389/fphar.2021.659590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 06/10/2021] [Indexed: 01/02/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is the fourth leading cause of cancer related death in western countries. The successful treatment of PDAC remains limited. We investigated the effect of Fraction B, which is a fraction purified from catfish (Arius bilineatus, Val.) skin secretions containing proteins and lipids, on PDAC biology both in-vivo and in-vitro. We report here that Fraction B potently suppressed the proliferation of both human and mouse pancreatic cancer cells in vitro and significantly reduced the growth of their relevant xenograft (Panc02) and orthotopic tumors (human Panc-1 cells) (p < 0.05). The Reverse Phase Protein Array (RPPA) data obtained from the tumor tissues derived from orthotopic tumor bearing mice treated with Fraction B showed that Fraction B altered the cancer stem cells related pathways and regulated glucose and glutamine metabolism. The down-regulation of the cancer stem cell marker CD44 expression was further confirmed in Panc-1 cells. CBC and blood chemistry analyses showed no systemic toxicity in Fraction B treated Panc-1 tumor bearing mice compared to that of control group. Our data support that Fraction B is a potential candidate for PDAC treatment.
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Affiliation(s)
- Jassim M Al-Hassan
- Department of Biological Sciences, Faculty of Science, Kuwait University, Kuwait City, Kuwait
| | - Daoyan Wei
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Sharmistha Chakraborty
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Tara Conway
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Patrea Rhea
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Bo Wei
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Megan Tran
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Mihai Gagea
- Department of Veterinary Medicine and Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Mohammad Afzal
- Department of Biological Sciences, Faculty of Science, Kuwait University, Kuwait City, Kuwait
| | - Sosamma Oommen
- Department of Biological Sciences, Faculty of Science, Kuwait University, Kuwait City, Kuwait
| | - Divya Nair
- Department of Biological Sciences, Faculty of Science, Kuwait University, Kuwait City, Kuwait
| | - Bincy M Paul
- Department of Biological Sciences, Faculty of Science, Kuwait University, Kuwait City, Kuwait
| | - Peiying Yang
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
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269
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Wei B, Hatridge TA, Jones CW, Davies HML. Copper(II) Acetate-Induced Oxidation of Hydrazones to Diazo Compounds under Flow Conditions Followed by Dirhodium-Catalyzed Enantioselective Cyclopropanation Reactions. Org Lett 2021; 23:5363-5367. [PMID: 34228465 DOI: 10.1021/acs.orglett.1c01580] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A tandem system comprising in-line diazo compound synthesis and downstream consumption in a rhodium-catalyzed cyclopropanation reaction has been developed. Passing hydrazone through a silica column absorbed with Cu(OAc)2-H2O/N,N-dimethylaminopyridine oxidized the hydrazone to generate an aryldiazoacetate in flow. The crude aryldiazoacetate elutes from this column directly into a downstream cyclopropanation reaction, catalyzed by the chiral dirhodium tetracarboxylates, Rh2(R-p-Ph-TPCP)4 and Rh2(R-PTAD)4. This convenient flow to batch method was applied to the synthesis of a range of 1,2-diarylcyclopropane-1-carboxylates in high yields and with high levels of enantioselectivity.
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Affiliation(s)
- Bo Wei
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Taylor A Hatridge
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive Northwest, Atlanta, Georgia 30332, United States
| | - Christopher W Jones
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive Northwest, Atlanta, Georgia 30332, United States
| | - Huw M L Davies
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
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270
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Li W, Zheng R, Liang R, Wu B, Wang C, Zhuo L, Wu M, Jie Y, Lin B, Chang L, Yang Q, Wei B, Zhou Y. Effects of Smoking on ACE2 Expression Pattern: Risk and Severity of SARS-CoV-2 Infection. Clin Lab 2021; 67. [PMID: 34258966 DOI: 10.7754/clin.lab.2020.201124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Respiratory epithelium expressing angiotensin-converting enzyme 2 (ACE2) is the entry for novel coronavirus (SARS-CoV-2), pathogen of the COVID-19 pneumonia outbreak, although a few recent studies have found different ACE2 expression in lung tissue of smokers. The effect of smoking on ACE2 expression and COVID-19 is still not clear. So, we did this research to determine the effect of smoking on ACE2 expression pattern and its relationship with the risk and severity of COVID-19. METHODS The clinical data of COVID-19 patients with smoking and non-smoking were analyzed, and ACE2 expression of respiratory and digestive mucosa epithelia from smoker and non-smoker patients or healthy subjects were detected by immunohistochemical (IHC) staining. RESULTS Of all 295 laboratory-confirmed COVID-19 patients, only 24 (8.1%) were current smokers with moderate smoking or above, which accounted for 54.2% of severe cases with higher mortality than non-smokers (8.3% vs. 0.4%, p = 0.018). Data analysis showed the proportion of smokers in COVID-19 patients was lower than that in general population of China (Z = 11.65, P < 0.001). IHC staining showed ACE2 expression in respiratory and digestive epithelia of smokers were generally downregulated. CONCLUSIONS The proportion of smokers in COVID-19 patients was lower, which may be explained by ACE2 downregulation in respiratory mucosa epithelia. However, smoking COVID-19 patients accounted for a higher proportion in severe cases and higher mortality than for non-smoking COVID-19 patients, which needs to be noted.
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271
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Abstract
Depression is associated with an increased risk of death in patients with heart failure (HF); however, the association between the use of antidepressants and HF prognoses remains controversial. Therefore, this meta-analysis aimed to evaluate the effect of antidepressants on the risk of death in HF patients. We retrieved data from the PubMed and EMBASE databases until August 2019 for studies reporting the use of antidepressants in HF patients. Data were extracted from the eligible articles, and a random effects model was used to pool the effect estimates (risk ratios (RRs) and 95% confidence intervals (CIs)). A total of 8 studies were included in this meta-analysis. Overall, the use of antidepressants was associated with increased risks of all-cause death (RR = 1.27; 95% CI, 1.21-1.34) and cardiovascular death (RR = 1.14; 95% CI, 1.08-1.20) in HF patients with or without depression. Specifically, HF patients with depression taking antidepressants had increased risks of all-cause death (RR = 1.21; 95% CI, 1.16-1.27) and cardiovascular death (RR = 1.21; 95% CI, 1.13-1.30). Compared with nonusers, the use of selective serotonin reuptake inhibitors (SSRIs), tricyclics (TCAs), and selective serotonin reuptake inhibitors (SNRIs) significantly increased the rate of all-cause death (SSRIs (RR = 1.26; 95% CI, 1.19-1.32), TCAs (RR = 1.30; 95% CI, 1.16-1.46), and SNRIs (RR = 1.17; 95% CI, 1.08-1.26)) but not cardiovascular death (SSRIs (RR = 1.03; 95% CI, 0.84-1.26), TCAs (RR = 1.02; 95% CI, 0.86-1.21), and SNRIs (RR = 0.92; 95% CI, 0.48-1.78)). Based on current publications, the use of antidepressants could increase the risk of all-cause death in HF patients, regardless of whether they have depression or the type of antidepressants they use. Further study is needed to determine the relationship between antidepressant use and cardiovascular death.
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Affiliation(s)
- Wenfeng He
- Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Yue Zhou
- Department of Children's Ophthalmology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Jianyong Ma
- Department of Pharmacology and Systems Physiology, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA
| | - Bo Wei
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, 330029, Jiangxi, China
| | - Yonghui Fu
- Department of Psychiatry, Jiangxi Mental Hospital, Nanchang, 330029, Jiangxi, China.
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272
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Jiang M, Gu J, Li Y, Wei B, Zhang J, Wang Z, Xia L. HADLN: Hybrid Attention-Based Deep Learning Network for Automated Arrhythmia Classification. Front Physiol 2021; 12:683025. [PMID: 34290619 PMCID: PMC8289344 DOI: 10.3389/fphys.2021.683025] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 05/27/2021] [Indexed: 11/13/2022] Open
Abstract
In recent years, with the development of artificial intelligence, deep learning model has achieved initial success in ECG data analysis, especially the detection of atrial fibrillation. In order to solve the problems of ignoring the correlation between contexts and gradient dispersion in traditional deep convolution neural network model, the hybrid attention-based deep learning network (HADLN) method is proposed to implement arrhythmia classification. The HADLN can make full use of the advantages of residual network (ResNet) and bidirectional long–short-term memory (Bi-LSTM) architecture to obtain fusion features containing local and global information and improve the interpretability of the model through the attention mechanism. The method is trained and verified by using the PhysioNet 2017 challenge dataset. Without loss of generality, the ECG signal is classified into four categories, including atrial fibrillation, noise, other, and normal signals. By combining the fusion features and the attention mechanism, the learned model has a great improvement in classification performance and certain interpretability. The experimental results show that the proposed HADLN method can achieve precision of 0.866, recall of 0.859, accuracy of 0.867, and F1-score of 0.880 on 10-fold cross-validation.
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Affiliation(s)
- Mingfeng Jiang
- School of Information Science and Technology, Zhejiang Sci-Tech University, Hangzhou, China
| | - Jiayan Gu
- School of Information Science and Technology, Zhejiang Sci-Tech University, Hangzhou, China
| | - Yang Li
- School of Information Science and Technology, Zhejiang Sci-Tech University, Hangzhou, China
| | - Bo Wei
- School of Information Science and Technology, Zhejiang Sci-Tech University, Hangzhou, China
| | - Jucheng Zhang
- Department of Clinical Engineering, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Zhikang Wang
- Department of Clinical Engineering, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ling Xia
- Department of Biomedical Engineering, Zhejiang University, Hangzhou, China
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273
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Ding D, Zhong H, Liang R, Lan T, Zhu X, Huang S, Wang Y, Shao J, Shuai X, Wei B. Multifunctional Nanodrug Mediates Synergistic Photodynamic Therapy and MDSCs-Targeting Immunotherapy of Colon Cancer. Adv Sci (Weinh) 2021; 8:e2100712. [PMID: 34021727 PMCID: PMC8292876 DOI: 10.1002/advs.202100712] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/19/2021] [Indexed: 05/08/2023]
Abstract
An ideal tumor treatment is supposed to eliminate the primary tumor and simultaneously trigger the host antitumor immune responses to prevent tumor recurrence and metastasis. Herein, a liposome encapsulating phosphoinositide 3-kinase gamma (PI3Kγ) inhibitor IPI-549 and photosensitizer chlorin e6 (Ce6), denoted by LIC, is prepared for colon cancer treatment. LIC internalized into CT26 cells generates reactive oxygen species (ROS) under laser irradiation to cause immunogenic tumor cell death, during which immunostimulatory signals such as calreticulin are released to further induce T lymphocyte-mediated tumor cell killing. Meanwhile, IPI-549 transported by liposome can inhibit PI3Kγ in the myeloid-derived suppressive cells (MDSCs), resulting in downregulation of arginase 1 (Arg-1) and ROS to promote MDSCs apoptosis and reduce their immunosuppressive activity to CD8+ T cells. LIC-mediated immunogenic photodynamic therapy synergizes with MDSCs-targeting immunotherapy, which significantly inhibits tumor growth via facilitating the dendritic cell maturation and tumor infiltration of CD8+ T cells while decreasing the tumor infiltration of immunosuppressive regulatory T cells, MDSCs, and M2-like tumor-associated macrophages. Moreover, the synergistic therapy increases the number of effector memory T cells (TEM ) in spleen, which suggests a favorable immune memory to prevent tumor recurrence and metastasis. The Ce6 and IPI-549-coloaded multifunctional nanodrug demonstrates high efficacy in colon cancer treatment.
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Affiliation(s)
- Dongbing Ding
- Department of Gastrointestinal SurgeryThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhou510630China
| | - Huihai Zhong
- PCFM Lab of Ministry of EducationSchool of Materials Science and EngineeringSun Yat‐sen UniversityGuangzhou510275China
| | - Rongpu Liang
- Department of Gastrointestinal SurgeryThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhou510630China
| | - Tianyun Lan
- Central LaboratoryThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhou510630China
| | - Xudong Zhu
- Department of Gastrointestinal SurgeryThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhou510630China
| | - Shengxin Huang
- Department of Gastrointestinal SurgeryThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhou510630China
| | - Yong Wang
- College of Chemistry and Materials ScienceJinan UniversityGuangzhou510632China
| | - Jun Shao
- Department of Gastrointestinal SurgeryThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhou510630China
| | - Xintao Shuai
- Department of Gastrointestinal SurgeryThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhou510630China
- PCFM Lab of Ministry of EducationSchool of Materials Science and EngineeringSun Yat‐sen UniversityGuangzhou510275China
| | - Bo Wei
- Department of Gastrointestinal SurgeryThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhou510630China
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274
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Wei B, Peng L, Zhang M, Fine JP. Estimation of causal quantile effects with a binary instrumental variable and censored data. J R Stat Soc Series B Stat Methodol 2021; 83:559-578. [DOI: 10.1111/rssb.12431] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bo Wei
- Department of Biostatistics and Bioinformatics Emory University Atlanta GA USA
| | - Limin Peng
- Department of Biostatistics and Bioinformatics Emory University Atlanta GA USA
| | - Mei‐Jie Zhang
- Department of Biostatistics Medical College of Wisconsin Milwaukee WI USA
| | - Jason P. Fine
- Department of Biostatistics University of North Carolina‐Chapel Hill Chapel Hill NC USA
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Zhan JQ, Chen CN, Wu SX, Wu HJ, Zou K, Xiong JW, Wei B, Yang YJ. Flavonoid fisetin reverses impaired hippocampal synaptic plasticity and cognitive function by regulating the function of AMPARs in a male rat model of schizophrenia. J Neurochem 2021; 158:413-428. [PMID: 33882624 DOI: 10.1111/jnc.15370] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 03/19/2021] [Accepted: 04/09/2021] [Indexed: 12/21/2022]
Abstract
Cognitive deficits are the core feature of schizophrenia and effective treatment strategies are still missing. Previous studies have reported that fisetin promotes long-term potentiation (LTP) and cognitive function in normal rodents and other model animals of neurological diseases. The aim of this study was to assess the effect of fisetin on synaptic plasticity and cognitive deficits caused by a brief disruption of N-methyl-D-aspartate receptors (NMDARs) with dizocilpine (MK-801) during early development in rats. The cognitive performance was examined by the Morris water maze task and a fear conditioning test. Hippocampal synaptic plasticity was investigated by field potential recording. The expression of α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptors (AMPARs) and cognition-related proteins was measured by western blotting. We found that intraperitoneal administration of fisetin rescued hippocampus-dependent spatial and contextual fear memory in MK-801 rats. In parallel with these behavioral results, fisetin treatment in MK-801 rats reversed the impairment of hippocampal LTP. At the molecular level, fisetin treatment selectively increased the phosphorylation and surface expression of AMPA receptor subunit 1 (GluA1) in MK-801-treated rats. Moreover, fisetin restored the phosphorylation levels of calcium-calmodulin-dependent kinaseII (CaMKII), cAMP response element-binding protein (CREB), and the extracellular signal-regulated kinase (ERK1/2) in MK-801-treated rats. Collectively, our findings demonstrate that fisetin treatment can reverse the deficits of hippocampal synaptic plasticity and memory in a male rat model of schizophrenia by restoring the phosphorylation and surface expression of AMPAR GluA1 subunit, suggesting fisetin as a promising therapeutic candidate for schizophrenia-associated cognitive deficits.
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Affiliation(s)
- Jin-Qiong Zhan
- Medical Experimental Center, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, P.R. China
- Department of Psychiatry, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, P.R. China
- Jangxi Provincial Clinical Research Center on Mental Disorders, Nanchang, P.R. China
| | - Chun-Nuan Chen
- Department of Neurology, The Second Clinical Medical College, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, P.R. China
| | - Si-Xian Wu
- Medical Experimental Center, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, P.R. China
- Department of Psychology, Jiangxi Normal University, Nanchang, P.R. China
| | - Han-Jun Wu
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, P.R. China
| | - Ke Zou
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, P.R. China
| | - Jian-Wen Xiong
- Department of Psychiatry, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, P.R. China
| | - Bo Wei
- Medical Experimental Center, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, P.R. China
- Department of Psychiatry, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, P.R. China
- Jangxi Provincial Clinical Research Center on Mental Disorders, Nanchang, P.R. China
| | - Yuan-Jian Yang
- Medical Experimental Center, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, P.R. China
- Department of Psychiatry, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, P.R. China
- Jangxi Provincial Clinical Research Center on Mental Disorders, Nanchang, P.R. China
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276
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Wang Y, Cao B, Zhao R, Li H, Wei B, Dai G. Knockdown of circBFAR inhibits proliferation and glycolysis in gastric cancer by sponging miR-513a-3p/hexokinase 2 axis. Biochem Biophys Res Commun 2021; 560:80-86. [PMID: 33979737 DOI: 10.1016/j.bbrc.2021.04.131] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 04/15/2021] [Accepted: 04/29/2021] [Indexed: 12/24/2022]
Abstract
The relationship between circular RNAs (circRNAs) and many types of cancer has been of great interest. A novel circRNA, circBFAR, has been identified, but the functions of circBFAR and its underlying mechanism in gastric cancer (GC) have not been reported. This study was designed to investigate the role of circBFAR in GC and its downstream miRNA targets. Quantitative real-time polymerase reaction was used to detect the expression of circBFAR and miRNAs. Cell counting kit-8 and EdU were used to detect the proliferation of GC cells. Measurement of the extracellular acidification rate, oxygen consumption rate and lactate acid production were performed to assess the glycolysis levels. The results showed that circBFAR exhibited higher expression in GC tissues and cell lines. circBFAR was proven to promote GC proliferation by targeting the miR-513a-3p/hexokinase 2 (HK2) axis. Inhibition of circBFAR also led to a significant decrease in the glycolysis levels. In this study, we found a circBFAR/miR-513a-3p/HK2 axis in GC and revealed the relationship between circBFAR and glycolysis for the first time. circBFAR may serve as a novel target of GC individualized therapy.
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Affiliation(s)
- Yuning Wang
- Department of Medical Oncology, Chinese PLA General Hospital, Beijing, 100853, China
| | - Bo Cao
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Ruiyang Zhao
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Hanghang Li
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Bo Wei
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, 100853, China.
| | - Guanghai Dai
- Department of Medical Oncology, Chinese PLA General Hospital, Beijing, 100853, China.
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277
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Zhang W, Sun Y, Wei S, Wei B, Xu X, Tang Y. Untargeted metabolomics reveals the mechanism of quercetin enhancing the bioavailability of ticagrelor. Biomed Chromatogr 2021; 35:e5206. [PMID: 34185878 DOI: 10.1002/bmc.5206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/16/2021] [Accepted: 06/24/2021] [Indexed: 11/07/2022]
Abstract
Ticagrelor is a first-line clinical drug for the treatment of acute coronary syndrome, but its oral bioavailability is relatively low. Flavonoids (polyphenol compounds commonly found in plant foods) seriously affect human metabolism and health. This study compared the effects of quercetin, luteolin and catechin on the pharmacokinetic parameters of ticagrelor and found that quercetin can significantly increase the Cmax and area under the curve from time zero to 36 h (AUC0-36 ) of ticagrelor, that is, quercetin can enhance the bioavailability of ticagrelor, but luteolin and catechin cannot. The difference between the ticagrelor group and the combination of quercetin and ticagrelor was analyzed through untargeted metabolomics methods and multivariate data analysis, which identified changes in the levels of seven metabolites (deoxycholic acid, taurocholic acid, glycocholic acid, glycoursodeoxycholic acid, tryptophan, phenylalanine and kynurenine). Based on the changes of these metabolites, we found that the metabolic pathways of phenylalanine, tyrosine and tryptophan and the biosynthetic pathway of bile acids were changed. A metabolomics study revealed that quercetin improves the oral bioavailability of ticagrelor and that this might rely on changing the metabolic pathways of phenylalanine, tyrosine and tryptophan and the biosynthetic pathway of bile acids. The research results at the metabolic level provide us with a strong basis and direction for further exploring the mechanism underlying quercetin's ability to enhance the bioavailability of ticagrelor, and this may be useful for finding new agents that enhance the bioavailability.
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Affiliation(s)
- Weijie Zhang
- Department of Pharmacy, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P.R. China.,Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; Co-innovation Center of Henan Province for New drug R & D and Preclinical Safety; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Yaxin Sun
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; Co-innovation Center of Henan Province for New drug R & D and Preclinical Safety; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Shuangyan Wei
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; Co-innovation Center of Henan Province for New drug R & D and Preclinical Safety; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Bo Wei
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; Co-innovation Center of Henan Province for New drug R & D and Preclinical Safety; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Xia Xu
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; Co-innovation Center of Henan Province for New drug R & D and Preclinical Safety; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Youcai Tang
- Department of Pharmacy, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P.R. China
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278
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Liu J, Liu X, Wei B, Liu J, Wang Y, Liu H. [Effect of stable overexpression of XAF1 gene on biological characteristics of ovarian cancer A2780 cells]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:760-766. [PMID: 34134965 DOI: 10.12122/j.issn.1673-4254.2021.05.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To construct an ovarian cancer cell line stably overexpressing XAF1 gene and observe the effects of XAF1 gene overexpression on proliferation, apoptosis, cell cycle and sensitivity to paclitaxel of the cells. OBJECTIVE Ovarian cancer A2780 cells were transfected with the plasmids pcDNA3.1(+) or pcDNA3.1(+)-XAF1, and the cells stably Over expressing XAF1 (A2780/XAF1 cells) were screened using G418. Cell clone formation assay and CCK8 assay were used to evaluate the changes in proliferation and paclitaxel sensitivity of the transfected cells, and cell cycle and apoptosis of the cells were analyzed using flow cytometry. OBJECTIVE We successfully obtained A2780/XAF1 cells stably overexpressing XAF1, which exhibited no significant changes in cell morphology. Compared with the negative control cells (A2780/NC), A2780/XAF1 cells had lowered clone formation ability (P=0.0016) and attenuated proliferative activity on the first (P=0.009) and third (P=0.0035) days after cell adherence with also a significantly increased percentage of cells in G2-M phase (P < 0.001). A2780/XAF1 cells showed significantly higher apoptosis rates than A2780/NC cells in the absence of apoptotic stimulation, in serum-free culture or following paclitaxel induction (P < 0.001). The proliferative activity of A2780/XAF1 cells was significantly lower than that of A2780/NC cells after exposure to different paclitaxel concentrations (P < 0.001). The half inhibitory concentration of paclitaxel was significantly lower in A2780/XAF1 than in A2780/NC cells. OBJECTIVE Overexpression of XAF1 significantly inhibits the proliferation, induces cell cycle arrest, promotes apoptosis, and increases paclitaxel sensitivity in ovarian cancer cells.
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Affiliation(s)
- J Liu
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu 610041, China.,Key Laboratory of Birth Defects and Related Gynecological Diseases of the Ministry of Education, Sichuan University, Chengdu 610041, China
| | - X Liu
- Department of Gynecology, The Sixth People's Hospital of Chengdu, Chengdu 610051
| | - B Wei
- Department of Gynecology, Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - J Liu
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu 610041, China.,Key Laboratory of Birth Defects and Related Gynecological Diseases of the Ministry of Education, Sichuan University, Chengdu 610041, China
| | - Y Wang
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu 610041, China.,Key Laboratory of Birth Defects and Related Gynecological Diseases of the Ministry of Education, Sichuan University, Chengdu 610041, China
| | - H Liu
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu 610041, China.,Key Laboratory of Birth Defects and Related Gynecological Diseases of the Ministry of Education, Sichuan University, Chengdu 610041, China
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279
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Wei B, Cao J, Tian JH, Yu CY, Huang Q, Yu JJ, Ma R, Wang J, Xu F, Wang LB. Mortalin maintains breast cancer stem cells stemness via activation of Wnt/GSK3β/β-catenin signaling pathway. Am J Cancer Res 2021; 11:2696-2716. [PMID: 34249423 PMCID: PMC8263651] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 04/27/2021] [Indexed: 06/13/2023] Open
Abstract
Previous research indicated that mortalin overexpressed in breast cancer and contributed to carcinogenesis. Mortalin was also demonstrated to promote Epithelial-mesenchymal transition (EMT) and was considered as a factor for maintaining the stemness of the cancer stem cells. However, the underlying mechanisms about mortalin maintaining the stemness of breast cancer stem cells (BCSCs) remain unclear. Here, we identified that increased expression of mortalin in breast cancer was associated with poorer overall survival rate. Mortalin was elevated in breast cancer cell lines and BCSC-enriched populations. Additionally, knockdown of mortalin significantly inhibited the cell proliferation, migration and EMT, as well as sphere forming capacity and stemness genes expression. Further study revealed that mortalin promoted EMT and maintained BCSCs stemness via activating the Wnt/GSK3β/β-catenin signaling pathway in vivo and in vitro. Taken together, these findings unveiled the mechanism of mortalin in maintaining and regulating the stemness of BCSCs, and may offer novel therapeutic strategies for breast cancer treatment.
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Affiliation(s)
- Bo Wei
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Ningxia Medical UniversityYinchuan 750004, China
| | - Jia Cao
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Beijing National Biochip Research Center Sub-Center in Ningxia, General Hospital of Ningxia Medical UniversityYinchuan 750004, China
| | - Jin-Hai Tian
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Beijing National Biochip Research Center Sub-Center in Ningxia, General Hospital of Ningxia Medical UniversityYinchuan 750004, China
| | - Chuan-Yang Yu
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Ningxia Medical UniversityYinchuan 750004, China
| | - Qi Huang
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Beijing National Biochip Research Center Sub-Center in Ningxia, General Hospital of Ningxia Medical UniversityYinchuan 750004, China
| | - Jing-Jing Yu
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Beijing National Biochip Research Center Sub-Center in Ningxia, General Hospital of Ningxia Medical UniversityYinchuan 750004, China
| | - Rong Ma
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Beijing National Biochip Research Center Sub-Center in Ningxia, General Hospital of Ningxia Medical UniversityYinchuan 750004, China
| | - Jia Wang
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Beijing National Biochip Research Center Sub-Center in Ningxia, General Hospital of Ningxia Medical UniversityYinchuan 750004, China
| | - Fang Xu
- Ningxia Medical UniversityYinchuan 750004, China
| | - Li-Bin Wang
- The General Hospital of Ningxia Medical UniversityYinchuan 750004, China
- Beijing National Biochip Research Center Sub-Center in Ningxia, General Hospital of Ningxia Medical UniversityYinchuan 750004, China
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280
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Cao B, Zhang KC, Wei B, Chen L. Status quo and future prospects of artificial neural network from the perspective of gastroenterologists. World J Gastroenterol 2021; 27:2681-2709. [PMID: 34135549 PMCID: PMC8173384 DOI: 10.3748/wjg.v27.i21.2681] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/29/2021] [Accepted: 04/22/2021] [Indexed: 02/06/2023] Open
Abstract
Artificial neural networks (ANNs) are one of the primary types of artificial intelligence and have been rapidly developed and used in many fields. In recent years, there has been a sharp increase in research concerning ANNs in gastrointestinal (GI) diseases. This state-of-the-art technique exhibits excellent performance in diagnosis, prognostic prediction, and treatment. Competitions between ANNs and GI experts suggest that efficiency and accuracy might be compatible in virtue of technique advancements. However, the shortcomings of ANNs are not negligible and may induce alterations in many aspects of medical practice. In this review, we introduce basic knowledge about ANNs and summarize the current achievements of ANNs in GI diseases from the perspective of gastroenterologists. Existing limitations and future directions are also proposed to optimize ANN’s clinical potential. In consideration of barriers to interdisciplinary knowledge, sophisticated concepts are discussed using plain words and metaphors to make this review more easily understood by medical practitioners and the general public.
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Affiliation(s)
- Bo Cao
- Department of General Surgery & Institute of General Surgery, Chinese People’s Liberation Army General Hospital, Beijing 100853, China
| | - Ke-Cheng Zhang
- Department of General Surgery & Institute of General Surgery, Chinese People’s Liberation Army General Hospital, Beijing 100853, China
| | - Bo Wei
- Department of General Surgery & Institute of General Surgery, Chinese People’s Liberation Army General Hospital, Beijing 100853, China
| | - Lin Chen
- Department of General Surgery & Institute of General Surgery, Chinese People’s Liberation Army General Hospital, Beijing 100853, China
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281
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Gao J, Wei B, Liu M, Hirsova P, Sehrawat TS, Cao S, Hu X, Xue F, Yaqoob U, Kang N, Cui H, Pomerantz WCK, Kostallari E, Shah VH. Endothelial p300 Promotes Portal Hypertension and Hepatic Fibrosis Through C-C Motif Chemokine Ligand 2-Mediated Angiocrine Signaling. Hepatology 2021; 73:2468-2483. [PMID: 33159815 PMCID: PMC8102654 DOI: 10.1002/hep.31617] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [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: 08/19/2020] [Revised: 10/05/2020] [Accepted: 10/07/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND AND AIMS During liver fibrosis, liver sinusoidal endothelial cells (LSECs) release angiocrine signals to recruit inflammatory cells into the liver. p300, a master regulator of gene transcription, is associated with pathological inflammatory response. Therefore, we examined how endothelial p300 regulates angiocrine signaling and inflammation related to portal hypertension and fibrogenesis. APPROACH AND RESULTS CCl4 or partial inferior vena cava ligation (pIVCL) was used to induce liver injury. Mice with LSEC-specific p300 deletion (p300LSECΔ/Δ ) or C-C motif chemokine ligand 2 (Ccl2) deficiency, nuclear factor kappa B (NFκB)-p50 knockout mice, and bromodomain containing 4 (BRD4) inhibitors in wild-type mice were used to investigate mechanisms of inflammation regulation. Leukocytes were analyzed by mass cytometry by time-of-flight. Epigenetic histone marks were modified by CRISPR endonuclease-deficient CRISPR-associated 9-fused with the Krüppel associated box domain (CRISPR-dCas9-KRAB)-mediated epigenome editing. Portal pressure and liver fibrosis were reduced in p300LSECΔ/Δ mice compared to p300fl/fl mice following liver injury. Accumulation of macrophages was also reduced in p300LSECΔ/Δ mouse livers. Ccl2 was the most up-regulated chemokine in injured LSECs, but its increase was abrogated in p300LSECΔ/Δ mice. While the macrophage accumulation was increased in NFκB-p50 knockout mice with enhanced NFκB activity, it was reduced in mice with LSEC-specific Ccl2 deficiency and mice treated with specific BRD4 inhibitors. In vitro, epigenome editing of CCL2 enhancer and promoter regions by CRISPR-dCas9-KRAB technology repressed TNFα-induced CCL2 transcription through H3K9 trimethylation. In contrast, TNFα activated CCL2 transcription by promoting p300 interaction with NFκB and BRD4, leading to histone H3 lysine 27 acetylation at CCL2 enhancer and promoter regions. CONCLUSIONS In summary, endothelial p300 interaction with NFκB and BRD4 increases CCL2 expression, leading to macrophage accumulation, portal hypertension, and liver fibrosis. Inhibition of p300 and its binding partners might serve as therapy in the treatment of liver diseases.
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Affiliation(s)
- Jinhang Gao
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN.,Laboratory of Gastroenterology and Hepatology, West China Hospital, Sichuan University, Chengdu, China
| | - Bo Wei
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN.,Laboratory of Gastroenterology and Hepatology, West China Hospital, Sichuan University, Chengdu, China
| | - Mengfei Liu
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Petra Hirsova
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | | | - Sheng Cao
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Xiao Hu
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Fei Xue
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Usman Yaqoob
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Ningling Kang
- Tumor Microenvironment and Metastasis Section, The Hormel Institute, University of Minnesota, Austin, MN
| | - Huarui Cui
- Department of Chemistry, University of Minnesota, Minneapolis, MN
| | | | - Enis Kostallari
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Vijay H Shah
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
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282
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Wei B, Xu Y, Gui X, Wu C, Wang L. A Comparative Study of Carotid Magnetic Resonance Plaque Imaging in Predicting the Early Progression of Acute Anterior Circulation Mild Stroke. J BIOMATER TISS ENG 2021. [DOI: 10.1166/jbt.2021.2664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
To analyze the biological properties of carotid lumen stenosis and plaque before and after bifurcation of the bilateral carotid arteries in patients with acute anterior circulation mild stroke (AACMS) by 3.0 T high-resolution magnetic resonance imaging (HR-MRI) with the aim to clarify
the predictive effect of 3.0 T HR-MRI on early progression and poor prognosis in patients with AACMS. Random division of 96 patients with AACMS into a stroke progression group and a non-progression group. The bilateral cervical vessels of the patients were detected by HR-MRI. The degree of
carotid artery stenosis before and after bilateral carotid bifurcation was evaluated using a vascular plaque imaging diagnostic system. There were significant differences in the maximum and average wall standardization index, maximum wall thickness, maximum wall area, plaque composition, proportion
of plaque fibrous cap rupture, and proportion of VI complex plaques in the progressive group. There was no significant difference in the related indexes of bilateral vessels in the non-progressive group (P >0.05). There are significant differences in MRI morphological characteristics
of bilateral carotid plaques in patients with AACMS progression. Through a comparative analysis of the plaque load and plaque composition of bilateral carotid arteries using 3.0 T HR-MRI in patients with early-stage AACMS, the type and stability of complex plaques can be identified, which
serve as prognostic factors in predicting the early progression of stroke and guiding clinical treatment.
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Affiliation(s)
- Bo Wei
- Department of Neurology, Shaoxing People’s Hospital, Shaoxing 312000, Zhejiang, PR China
| | - Yiqin Xu
- Department of Neurology, Shaoxing People’s Hospital, Shaoxing 312000, Zhejiang, PR China
| | - Xiaohong Gui
- Department of Neurology, Shaoxing People’s Hospital, Shaoxing 312000, Zhejiang, PR China
| | - Chenglong Wu
- Department of Neurology, Shaoxing People’s Hospital, Shaoxing 312000, Zhejiang, PR China
| | - Liping Wang
- Department of Neurology, Shaoxing People’s Hospital, Shaoxing 312000, Zhejiang, PR China
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283
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Hao Y, Ji L, Gao D, Fan Y, Wei B, Geng Y, Zhang X, Li G, Zhang Z. AB0280 THE INFLUENCE OF TARGET THERAPY AS WELL AS GLUCOCORTICOIDS TAPERING ON DISEASE FLARE IN SYSTEMIC LUPUS ERYTHEMATOSUS: RESULTS FROM A PROSPECTIVE CHINESE COHORT. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Treat-to-target in systemic lupus erythematosus (SLE) has been proposed for 7 years and several recommendations were developed [1]. In these recommendations, prevention of flares should be a realistic target. Meanwhile, ‘remission’ or ‘low disease activity’ was recommended as the treatment target and minimizing glucocorticoids (GC) dose or withdrawal if possible was suggested in the maintenance treatment. However, would target therapy and GC tapering/withdrawal influence disease flare?Objectives:To investigate the frequency and determinants of disease flare, especially the influence of target therapy as well as GC tapering on flare in Chinese lupus patients.Methods:The baseline and follow-up data of all consecutive patients in a prospective longitudinal lupus cohort from January 2017 to June 2020 were collected. The lupus low disease activity state (LLDAS) was defined as in Golder et al., 2019[2]. The criteria for remission were from DORIS definitions [3]. Flare was assessed using the SELENA-SLEDAI flare index [4].Results:We enrolled 185 patients with disease duration at recruitment of 2.3 (0.8–7.7) years. During the 26.2 (12.5-34.5) months of follow-up, 73 (39.5%) patients experienced 95 flares, including 70 mild/moderate and 25 severe flares. The incidence of flare per patient-year was 0.27. Kaplan-Meier analyses showed that compared with those who never achieved LLDAS or DORIS, the patients who achieved the target at least once had a higher flare free survival rate; meanwhile, the patients with prednisone withdrawn had significantly lower flare free rate compared with those with small dose of GC maintained (≤7.5mg/d) (Figure 1A), but among the patients with different prednisone maintain doses (7.5~5mg, 5~2.5mg, and ≤2.5mg) there was not significant difference (Figure 1B). Cox regression analysis showed that younger age at disease onset and lower Complement 3 (C3) level at recruitment were independent risk factors for flare and achieving LLDAS or DORIS ≥50% of visits was independent protective factor (Table 1).Conclusion:In this Chinese prospective SLE cohort, age at disease onset, C3 level at recruitment and therapeutic target achieving influenced disease flare independently and significantly. GC tapering in appropriate patients and with appropriate pace did not increase the flare rate, but prednisone withdrawal may induce more disease exacerbation, which needs to be confirmed by large prospective studies.References:[1]Van Vollenhoven R F, et al. Treat-to-target in systemic lupus erythematosus: recommendations from an international task force. Ann Rheum Dis, 2014. 73(6): 958-967[2]Golder, V., et al. Lupus low disease activity state as a treatment endpoint for systemic lupus erythematosus: a prospective validation study. The Lancet Rheumatology, 2019. 1(2): p. e95-e102.[3]van Vollenhoven R, et al. A framework for remission in SLE: consensus findings from a large international task force on definitions of remission in SLE (DORIS). Ann Rheum Dis. 2017. 76(3): 554–561.[4]Petri M, et al. Classification and definition of major flares in SLE clinical trials. Lupus. 1999. 8(8): 685-691.Table 1.Determinants of disease flare by multivariate Cox regression analysesModel 1(LLDAS) ΔModel 2(RONT) ΔModel 3(Complete RONT) ΔHR95%CIP valueHR95%CIP valueHR95%CIP valueAge at disease onset (years)†0.970.95-0.990.0040.970.95-0.990.0030.970.95-0.990.003Anti-dsDNA positive at recruitment1.340.82-2.180.2171.120.68-1.850.6491.190.73-1.960.486C3 (mg/L) at recruitment0.9980.997-0.9990.0040.9980.997-0.9990.0070.9980.997-1.0000.010Minimum prednisone dose during follow- up (mg/d)0.980.90-1.080.7161.010.94-1.080.7471.040.97-1.110.243Therapeutic target achieved≥50% of observationsΔ0.600.39-0.940.0010.540.34-0.870.0110.680.51-0.920.011Δ In the three hazard models, the different target achievement status were included respectively.RONT: Clinical remission on treatment; Complete RONT: Complete remission on treatment.Disclosure of Interests:None declared
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Tai Y, Wei B, Wu H. Recurrent Hematochezia with Abnormal Mesenteric Angiography. Gastroenterology 2021; 160:e14-e15. [PMID: 33221410 DOI: 10.1053/j.gastro.2020.10.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/19/2020] [Accepted: 10/21/2020] [Indexed: 02/08/2023]
Affiliation(s)
- Yang Tai
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China; Laboratory of Gastroenterology and Hepatology, West China Hospital, Sichuan University, Chengdu, China
| | - Bo Wei
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China
| | - Hao Wu
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China.
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Liu F, Zuo X, Liu Y, Deguchi Y, Moussalli MJ, Chen W, Yang P, Wei B, Tan L, Lorenzi PL, Gao S, Jaoude JC, Mehdizadeh A, Valentin LA, Wei D, Shureiqi I. Suppression of Membranous LRP5 Recycling, Wnt/β-Catenin Signaling, and Colon Carcinogenesis by 15-LOX-1 Peroxidation of Linoleic Acid in PI3P. Cell Rep 2021; 32:108049. [PMID: 32814052 DOI: 10.1016/j.celrep.2020.108049] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [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: 06/06/2019] [Revised: 02/27/2020] [Accepted: 07/28/2020] [Indexed: 02/07/2023] Open
Abstract
APC mutation activation of Wnt/β-catenin drives initiation of colorectal carcinogenesis (CRC). Additional factors potentiate β-catenin activation to promote CRC. Western diets are enriched in linoleic acid (LA); LA-enriched diets promote chemically induced CRC in rodents. 15-Lipoxygenase-1 (15-LOX-1), the main LA-metabolizing enzyme, is transcriptionally silenced during CRC. Whether LA and 15-LOX-1 affect Wnt/β-catenin signaling is unclear. We report that high dietary LA promotes CRC in mice treated with azoxymethane or with an intestinally targeted Apc mutation (ApcΔ580) by upregulating Wnt receptor LRP5 protein expression and β-catenin activation. 15-LOX-1 transgenic expression in mouse intestinal epithelial cells suppresses LRP5 protein expression, β-catenin activation, and CRC. 15-LOX-1 peroxidation of LA in phosphatidylinositol-3-phosphates (PI3P_LA) leads to PI3P_13-HODE formation, which decreases PI3P binding to SNX17 and LRP5 and inhibits LRP5 recycling from endosomes to the plasma membrane, thereby increasing LRP5 lysosomal degradation. This regulatory mechanism of LRP5/Wnt/β-catenin signaling could be therapeutically targeted to suppress CRC.
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Affiliation(s)
- Fuyao Liu
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Xiangsheng Zuo
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yi Liu
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yasunori Deguchi
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Micheline J Moussalli
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Weidong Chen
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Peiying Yang
- Department of Palliative, Rehabilitation, and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Bo Wei
- Department of Palliative, Rehabilitation, and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Lin Tan
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Philip L Lorenzi
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Shen Gao
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jonathan C Jaoude
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Amir Mehdizadeh
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Lovie Ann Valentin
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Daoyan Wei
- Department of Gastroenterology, Hepatology, and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Imad Shureiqi
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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Cui H, Cui JX, Wang YN, Cao B, Deng H, Zhang KC, Xie TY, Liang WQ, Liu Y, Chen L, Wei B. Could neoadjuvant chemotherapy increase postoperative complication risk of laparoscopic total gastrectomy? A mono-institutional propensity score-matched study in China. World J Gastrointest Surg 2021; 13:429-442. [PMID: 34122733 PMCID: PMC8167844 DOI: 10.4240/wjgs.v13.i5.429] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 02/27/2021] [Accepted: 04/05/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The potential survival benefit of neoadjuvant chemotherapy (NC) in patients with advanced gastric cancer has been widely recognized. With the development of minimally invasive surgery, which is represented by laparoscopy, the effect of NC on the safety of laparoscopic gastrectomy remains to be further explored.
AIM To compare the short-term outcomes of laparoscopic total gastrectomy (LTG) after NC (NC-LTG) with LTG alone.
METHODS A total of 92 patients who underwent NC-LTG and 381 patients who received LTG alone at the Chinese PLA General Hospital between September 2015 and September 2020 were retrospectively included in our study. We used propensity-score matching (PSM) to balance baseline bias. After 1:1 PSM, 73 patients were included in each group with no statistically significant difference in baseline characteristics.
RESULTS The NC-LTG group exhibited a longer operation time (244.10 ± 48.13 min vs 225.74 ± 45.33 min, P = 0.019) and increased intraoperative blood loss [150 (100-300) mL vs 100 (100-200) mL, P = 0.011] compared to the LTG group. The 30-d postoperative morbidity of the NC-LTG group was 20.5% (15/73), and that of the LTG group was 13.7% (10/73). There were no significant differences in 30-d severe complication rates or anastomotic leakage rates. Subgroup analysis showed that the patients with pTNM (pathological tumor-node-metastasis classification) T0N0-II in the NC-LTG group underwent a longer operation than the LTG group, while no significant difference was found in any perioperative index for the pTNM III patients. A multivariate analysis showed that an operation time longer than 240 min was an independent risk factor (odds ratio = 3.021, 95% confidence interval: 1.160-7.868, P = 0.024), while NC was not an independent risk factor for postoperative complications in LTG.
CONCLUSION Despite a longer operation time and more blood loss after NC-LTG, which indicate surgical difficulty, NC-LTG exhibits acceptable short-term outcomes compared to LTG, suggesting the safety and feasibility of NC-LTG.
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Affiliation(s)
- Hao Cui
- School of Medicine, Nankai University, Tianjin 300071, China
| | - Jian-Xin Cui
- Department of General Surgery, Institute of General Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - Yu-Ning Wang
- First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Bo Cao
- Department of General Surgery, Institute of General Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - Huan Deng
- Department of General Surgery, Institute of General Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - Ke-Cheng Zhang
- Department of General Surgery, Institute of General Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - Tian-Yu Xie
- School of Medicine, Nankai University, Tianjin 300071, China
| | - Wen-Quan Liang
- Department of General Surgery, Institute of General Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - Yi Liu
- Department of General Surgery, Institute of General Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - Lin Chen
- Department of General Surgery, Institute of General Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - Bo Wei
- Department of General Surgery, Institute of General Surgery, Chinese PLA General Hospital, Beijing 100853, China
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287
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Cui H, Cao B, Liu G, Xi H, Chen Z, Liang W, Zhang K, Cui J, Xie T, Deng H, Tang Y, Chen L, Wei B. Comparison of short-term outcomes and quality of life in totally laparoscopic distal gastrectomy and totally robotic distal gastrectomy for clinical stage I-III gastric cancer: study protocol for a multi-institutional randomised clinical trial. BMJ Open 2021; 11:e043535. [PMID: 34035091 PMCID: PMC8154927 DOI: 10.1136/bmjopen-2020-043535] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 04/07/2021] [Accepted: 04/15/2021] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Laparoscopic distal gastrectomy (LDG) is regarded as a standard treatment for patients with clinical stage I-III gastric cancer. With the popularisation of the Da Vinci robotic system in the 21st century, robotic distal gastrectomy has been increasingly applied, and its potential advantages over LDG have been proved by several studies. Intraperitoneal anastomosis is a hot topic in research as it highlights the superiority of minimally invasive surgery and is safe and feasible. We intend to conduct this randomised clinical trial to focus on short-term outcomes and quality of life (QOL) in totally laparoscopic distal gastrectomy (TLDG) and totally robotic distal gastrectomy (TRDG) for patients with clinical stage I-III gastric cancer. METHODS AND ANALYSIS This study is a prospective, multi-institutional, open-label randomised clinical trial that will recruit 722 patients with a 1:1 ratio (361 patients in the TLDG group and 361 patients in the TRDG group) from eight large-scale gastrointestinal medical centres in China. The primary endpoint is 30-day postoperative morbidity. The secondary endpoints include QOL, 30-day severe postoperative morbidity and mortality, anastomotic-related complication rate, conversion to open surgery rate, intraoperative and postoperative indicators, operative and total costs during hospitalisation, 1-year overall survival and disease-free survival. QOL is determined by the The European Organization for Reasearch and Treatment of Cancer Quality of Life Questionnare-Core 30 and Stomach22 (EORTC QLQ-C30 and STO22) questionnaires which are completed before surgery and 1, 3, 6 months, and 1 year after surgery. χ2 test will be used for the primary endpoint, while analysis of covariance will be used to compare the overall changes of QOL between the two groups. ETHICS AND DISSEMINATION This trial was approved by the Ethics Committee of the Chinese PLA General Hospital. The trial's results will be disseminated via peer-reviewed scientific journals and conference presentations. TRIAL REGISTRATION NUMBER ChiCTR2000032670.
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Affiliation(s)
- Hao Cui
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Bo Cao
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Guoxiao Liu
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Hongqing Xi
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Zhida Chen
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Wenquan Liang
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Kecheng Zhang
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Jianxin Cui
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Tianyu Xie
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Huan Deng
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Yun Tang
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Lin Chen
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Bo Wei
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
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Wang X, Gao M, Wang Z, Cui W, Zhang J, Zhang W, Xia Y, Wei B, Tang Y, Xu X. Hepatoprotective effects of oridonin against bisphenol A induced liver injury in rats via inhibiting the activity of xanthione oxidase. Sci Total Environ 2021; 770:145301. [PMID: 33515877 DOI: 10.1016/j.scitotenv.2021.145301] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 01/05/2021] [Accepted: 01/16/2021] [Indexed: 06/12/2023]
Abstract
Bisphenol A (BPA) is widely used to manufacture packaging materials for various daily necessities and causes harmful effects in organs, especially liver injury, by generating oxidative stress. Oridonin, an active diterpenoid isolated from Rabdosia rubescens (Hemsl.) Hara, has been reported to possess a wide range of pharmacological activities including anti-inflammatory, antioxidative and antiapoptotic effects. However, the role of oridonin in BPA--induced liver injury and its potential protective mechanism have not been well characterized. In this research, we explored the metabolic alterations in the liver tissue of rats after exposure to BPA with or without pretreatment with oridonin for 14 days by metabolomics analysis based on UPLC-MS/MS. Rats were randomly divided into groups as follows: Control, Vehicle, Oridonin (10 mg/kg), Bisphenol A (500 mg/kg), bisphenol A + Oridonin (500 + 10 mg/kg), Bisphenol A + Diammonium glycyrrhizinate (500 + 40 mg/kg). The biochemical results showed that oridonin significantly reduced the levels of AST and ALT (P < 0.05), ameliorated the abnormal histopathological changes and reduced hepatic apoptosis compared with the BPA group. Furthermore, metabolomics results revealed that purine metabolism, phenylalanine, tyrosine and tryptophan biosynthesis and phenylalanine metabolism were reprogrammed, based on 28 identified significant differential metabolites among the Vehicle, BPA and BPA + oridonin groups. In-depth studies demonstrated that pretreatment with oridonin may play a protective role by restoring BPA-induced changes in oxidative stress and the activity of oxidase (XOD) (P < 0.05). Additionally, oridonin could inhibit the activity of XOD by binding to it, therefore decreasing the reactive oxygen species (ROS) level, upregulating the content of hypoxanthine and xanthine, and reducing the level of uric acid in the liver (P < 0.05). This research presents the potential protective mechanisms of oridonin on BPA-induced liver injury at the metabolic level, which might be used to identify new protective agents that prevent BPA-induced liver injury.
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Affiliation(s)
- Xinying Wang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Co-innovation Center of Henan Province for New drug R & D and preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Ming Gao
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Co-innovation Center of Henan Province for New drug R & D and preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Zihan Wang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Co-innovation Center of Henan Province for New drug R & D and preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Weiqi Cui
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Co-innovation Center of Henan Province for New drug R & D and preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Jingxian Zhang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Co-innovation Center of Henan Province for New drug R & D and preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Weijie Zhang
- Henan Joint International Research Laboratory of Chronic Liver Injury, Henan Key Laboratory of Rehabilitation Medicine, Department of Pediatrics, the Fifth Affiliated Hospital, Zhengzhou University, Kangfuqian Street, Zhengzhou, Henan 450052, PR China
| | - Yu Xia
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Co-innovation Center of Henan Province for New drug R & D and preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Bo Wei
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Co-innovation Center of Henan Province for New drug R & D and preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China.
| | - Youcai Tang
- Henan Joint International Research Laboratory of Chronic Liver Injury, Henan Key Laboratory of Rehabilitation Medicine, Department of Pediatrics, the Fifth Affiliated Hospital, Zhengzhou University, Kangfuqian Street, Zhengzhou, Henan 450052, PR China.
| | - Xia Xu
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Co-innovation Center of Henan Province for New drug R & D and preclinical Safety, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, PR China.
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Cui H, Wei B. [A novel classification and strategy choice of digestive tract reconstruction procedures after function-preserving gastrectomy for early gastric caner]. Zhonghua Wei Chang Wai Ke Za Zhi 2021; 24:392-396. [PMID: 34000767 DOI: 10.3760/cma.j.issn.441530-20210305-00101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Function-preserving gastrectomy (FPG) can be regarded as a concrete embodiment of precise treatment for early gastric cancer. Digestive tract reconstruction plays an important role in FPG. The aims of reconstruction mainly include the preservation of normal digestive tract and digestive function, the reconstruction of pivotal anatomical structure, and the consequent improvement of postoperative quality of life. We establish a new classification of digestive tract reconstruction based on the different role of digestive tract reconstructions in FPG for early gastric cancer, meanwhile we briefly summarize current progress and elucidate surgical indications. We hope that it can provide theoretical reference for surgeons to choose the appropriate procedure of digestive tract reconstruction after FPG.
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Affiliation(s)
- H Cui
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - B Wei
- Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
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290
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Luo T, Qin L, Cheng L, Wang S, Zhu Z, Xu J, Chen H, Liu Q, Hu M, Tong J, Hao W, Wei B, Liao Y. Determination the cut-off point for the Bergen social media addiction (BSMAS): Diagnostic contribution of the six criteria of the components model of addiction for social media disorder. J Behav Addict 2021; 10:281-290. [PMID: 34010148 PMCID: PMC8996805 DOI: 10.1556/2006.2021.00025] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/01/2021] [Accepted: 03/23/2021] [Indexed: 12/04/2022] Open
Abstract
OBJECTIVE Social media disorder (SMD) is an increasing problem, especially in adolescents. The lack of a consensual classification for SMD hinders the further development of the research field. The six components of Griffiths' biopsychosocial model of addiction have been the most widely used criteria to assess and diagnosis SMD. The Bergen social media addiction scale (BSMAS) based on Griffiths' six criteria is a widely used instrument to assess the symptoms and prevalence of SMD in populations. This study aims to: (1) determine the optimal cut-off point for the BSMAS to identify SMD among Chinese adolescents, and (2) evaluate the contribution of specific criteria to the diagnosis of SMD. METHOD Structured diagnostic interviews in a clinical sample (n = 252) were performed to determine the optimal clinical cut-off point for the BSMAS. The BSMAS was further used to investigate SMD in a community sample of 21,375 adolescents. RESULTS The BSMAS score of 24 was determined as the best cut-off score based on the gold standards of clinical diagnosis. The estimated 12-month prevalence of SMD among Chinese adolescents was 3.5%. According to conditional inference trees analysis, the criteria "mood modification", "conflict", "withdrawal", and "relapse" showed the higher predictive power for SMD diagnosis. CONCLUSIONS Results suggest that a BSMAS score of 24 is the optimal clinical cut-off score for future research that measure SMD and its impact on health among adolescents. Furthermore, criteria of "mood modification", "conflict", "withdrawal", and "relapse" are the most relevant to the diagnosis of SMA in Chinese adolescents.
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Affiliation(s)
- Tao Luo
- The Treatment Center for Addiction, Jiangxi Mental Hospital, Nanchang, Jiangxi, 330029, P. R. China,Department of Social Medicine and Health Management, Xiangya School of Public Health, Central South University, Changsha, 410078, P. R. China
| | - Lixia Qin
- Department of Psychology, Hospital of Tsinghua University, Beijing, 100084, P. R. China
| | - Limei Cheng
- Department of Psychology Yingtan People’s Hospital, Yingtan, 335000, P. R. China
| | - Sheng Wang
- The Treatment Center for Addiction, Jiangxi Mental Hospital, Nanchang, Jiangxi, 330029, P. R. China
| | - Zijun Zhu
- The Treatment Center for Addiction, Jiangxi Mental Hospital, Nanchang, Jiangxi, 330029, P. R. China
| | - Jiabing Xu
- The Treatment Center for Addiction, Jiangxi Mental Hospital, Nanchang, Jiangxi, 330029, P. R. China
| | - Haibo Chen
- The Treatment Center for Addiction, Jiangxi Mental Hospital, Nanchang, Jiangxi, 330029, P. R. China
| | - Qiaosheng Liu
- Department of Psychology, Jiangxi Mental Hospital, Nanchang, Jiangxi, 330029, P. R. China
| | - Maorong Hu
- Department of Psychiatry, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, P. R. China
| | - Jianqin Tong
- Department of Psychology Yingtan People’s Hospital, Yingtan, 335000, P. R. China
| | - Wei Hao
- Department of Psychiatry, the Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P. R. China
| | - Bo Wei
- The Treatment Center for Addiction, Jiangxi Mental Hospital, Nanchang, Jiangxi, 330029, P. R. China,Corresponding authors. E-mail:
| | - Yanhui Liao
- Department of Psychiatry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310016, P. R. China,Key Laboratory of Medical Neurobiology of Zhejiang Province, Hangzhou, Zhejiang, 310016, P. R. China,Corresponding authors. E-mail:
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Li M, Mei Q, Han D, Wei B, An Z, Cao H, Xie J, He M. The roles of HO •, ClO • and BrO • radicals in caffeine degradation: A theoretical study. Sci Total Environ 2021; 768:144733. [PMID: 33736354 DOI: 10.1016/j.scitotenv.2020.144733] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 09/11/2020] [Revised: 12/18/2020] [Accepted: 12/18/2020] [Indexed: 06/12/2023]
Abstract
ClO• and BrO• are newly discovered reactive radicals that contribute to the degradation of micropollutants. However, the research on pollutant degradation by ClO• and BrO• is still lacking. Thus, the mechanism, kinetics, and toxicity of caffeine degradation by HO•, ClO•, and BrO• were computationally studied and compared. Results showed that radical adduct formation (RAF) reaction was dominant for HO•, ClO•, and BrO• initiated reactions of caffeine. The main reaction sites were C5 and C8 of caffeine for HO•, while only the RAF reaction on C8 was prominent for ClO• and BrO•. The initiated reaction rate constants of caffeine by HO•, ClO•, and BrO• were in the order of HO• (5.29 × 109 M-1 s-1) > ClO• (1.40 × 109 M-1 s-1) > BrO• (2.17 × 108 M-1 s-1). The kinetic simulation verified that ClO• played a crucial role in the degradation of caffeine by the UV/chlorine process. In addition to HO-adducts, the subsequent reaction mechanisms of ClO- and BrO-adducts have also been investigated. The formation mechanisms of several important products, namely dimethylparabanic acid (P2), di(N-hydroxymethyl) parabanic acid (P5), 1,3,7-trimethyluric acid (P6), and 8-oxocaffeine (P11), were elucidated. Remarkably, stable chlorinated and brominated intermediates or products were not generated in ClO•- and BrO•-mediated subsequent degradations of caffeine. The assessment of aquatic toxicity and health effects showed that caffeine could penetrate the blood-brain barrier (human), and caffeine and its degradation products were potentially harmful to the aquatic environment.
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Affiliation(s)
- Mingxue Li
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Qiong Mei
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Dandan Han
- School of Chemistry and Chemical Engineering, Heze University, Heze 274015, PR China
| | - Bo Wei
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Zexiu An
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Haijie Cao
- Institute of Materials for Energy and Environment, School of Materials Science and Engineering, Qingdao University, Qingdao 266071, PR China
| | - Ju Xie
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China
| | - Maoxia He
- Environment Research Institute, Shandong University, Qingdao 266237, PR China.
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292
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Hamad RA, Kimura M, Yang L, Woo WL, Wei B. Dilated causal convolution with multi-head self attention for sensor human activity recognition. Neural Comput Appl 2021. [DOI: 10.1007/s00521-021-06007-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AbstractSystems of sensor human
activity recognition are becoming increasingly popular in diverse fields such as healthcare and security. Yet, developing such systems poses inherent challenges due to the variations and complexity of human behaviors during the performance of physical activities. Recurrent neural networks, particularly long short-term memory have achieved promising results on numerous sequential learning problems, including sensor human activity recognition. However, parallelization is inhibited in recurrent networks due to sequential operation and computation that lead to slow training, occupying more memory and hard convergence. One-dimensional convolutional neural network processes input temporal sequential batches independently that lead to effectively executed operations in parallel. Despite that, a one-dimensional Convolutional Neural Network is not sensitive to the order of the time steps which is crucial for accurate and robust systems of sensor human activity recognition. To address this problem, we propose a network architecture based on dilated causal convolution and multi-head self-attention mechanisms that entirely dispense recurrent architectures to make efficient computation and maintain the ordering of the time steps. The proposed method is evaluated for human activities using smart home binary sensors data and wearable sensor data. Results of conducted extensive experiments on eight public and benchmark HAR data sets show that the proposed network outperforms the state-of-the-art models based on recurrent settings and temporal models.
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293
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Shao J, Liang R, Ding D, Zheng X, Zhu X, Hu S, Wei H, Wei B. A Smart Multifunctional Nanoparticle for Enhanced Near-Infrared Image-Guided Photothermal Therapy Against Gastric Cancer. Int J Nanomedicine 2021; 16:2897-2915. [PMID: 33907399 PMCID: PMC8064686 DOI: 10.2147/ijn.s289310] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 03/18/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Surgery is considered to be a potentially curative approach for gastric cancer. However, most cases are diagnosed at a very advanced stage for the lack of typical symptoms in the initial stage, which makes it difficult to completely surgical resect of tumors. Early diagnosis and precise personalized intervention are urgent issues to be solved for improving the prognosis of gastric cancer. Herein, we developed an RGD-modified ROS-responsive multifunctional nanosystem for near-infrared (NIR) imaging and photothermal therapy (PTT) against gastric cancer. METHODS Firstly, the amphiphilic polymer was synthesized by bromination reaction and nucleophilic substitution reaction of carboxymethyl chitosan (CMCh) and 4-hydroxymethyl-pinacol phenylborate (BAPE). Then, it was used to encapsulate indocyanine green (ICG) and modified with RGD to form a smart multifunctional nanoparticle targeted to gastric cancer (CMCh-BAPE-RGD@ICG). The characteristics were determined, and the targeting capacity and biosafety were evaluated both in vitro and in vivo. Furthermore, CMCh-BAPE-RGD@ICG mediated photothermal therapy (PTT) effect was studied using gastric cancer cells (SGC7901) and SGC7901 tumor model. RESULTS The nanoparticle exhibited suitable size (≈ 120 nm), improved aqueous stability, ROS-responsive drug release, excellent photothermal conversion efficiency, enhanced cellular uptake, and targeting capacity to tumors. Remarkably, in vivo studies suggested that CMCh-BAPE-RGD@ICG could accurately illustrate the location and margin of the SGC7901 tumor through NIR imaging in comparison with non-targeted nanoparticles. Moreover, the antitumor activity of CMCh-BAPE-RGD@ICG-mediated PTT could effectively suppress tumor growth by inducing necrosis and apoptosis in cancer cells. Additionally, CMCh-BAPE-RGD@ICG demonstrated excellent biosafety both in vitro and in vivo. CONCLUSION Overall, our study provides a biocompatible theranostic nanoparticle with enhanced tumor-targeting ability and accumulation to realize NIR image-guided PTT in gastric cancer.
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Affiliation(s)
- Jun Shao
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, People’s Republic of China
| | - Rongpu Liang
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, People’s Republic of China
| | - Dongbing Ding
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, People’s Republic of China
| | - Xiaoming Zheng
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, People’s Republic of China
| | - Xudong Zhu
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, People’s Republic of China
| | - Shengxue Hu
- College of Biological Science and Engineering, Fuzhou University, Fujian, 350108, People’s Republic of China
| | - Hongbo Wei
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, People’s Republic of China
| | - Bo Wei
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, People’s Republic of China
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294
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Li D, Wang Q, Xu X, Yu J, Chen Z, Wei B, Wu W. Temporal transcriptome profiling of developing seeds reveals candidate genes involved in oil accumulation in safflower (Carthamus tinctorius L.). BMC Plant Biol 2021; 21:181. [PMID: 33858333 PMCID: PMC8051040 DOI: 10.1186/s12870-021-02964-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 04/07/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The investigation of molecular mechanisms involved in lipid metabolism plays a critical role for the genetic engineering of safflower (Carthamus tinctorius L.) to increase the oil accumulation level or to change the oil composition. Although transcript sequences are currently available for the leaves and flowers of safflower, a wide range scan of temporal transcripts at different stages of seed development has not been conducted for safflower. RESULTS In this study, temporal transcriptome sequencing was executed at 10, 14, 18, and 22 days after flowering (DAF) to uncover the molecular networks concerned in the biosynthesis of unsaturated fatty acids (USFAs). The results revealed that the biosynthesis of fatty acids is a dominant cellular process from 10 to 14 DAF, while degradation mainly happens after 18 DAF. Significant expression changes of two genes, stearoyl-[acyl-carrier-protein] 9-desaturase gene (SAD) from 10 to 14 DAF and oleate desaturase (FAD2-1) from 14 to 18 DAF, were detected at the transcriptomic levels, and the temporal expression patterns revealed by the transcriptomic analysis were confirmed using quantitative real-time PCR experiments. In addition, 13 candidate transcription factors (TFs) involved in regulating the expression level of the FAD2-1 gene were identified. CONCLUSIONS These results create a link between fatty acid biosynthesis and gene expression at different developmental stages of the seeds, provide insight into the underlying lipid metabolism, and meanwhile lay an important foundation for the genetic engineering of safflower varieties. We have identified novel candidate genes, including TFs, that are worthy of further exploration.
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Affiliation(s)
- Dandan Li
- Agronomy College, Sichuan Agricultural University, Wenjiang, 611130 Chengdu, Sichuan People’s Republic of China
- Agronomy College, Guizhou University, Huaxi, 550025 Guiyang, Guizhou People’s Republic of China
| | - Qing Wang
- Agronomy College, Sichuan Agricultural University, Wenjiang, 611130 Chengdu, Sichuan People’s Republic of China
| | - Xin Xu
- Agronomy College, Sichuan Agricultural University, Wenjiang, 611130 Chengdu, Sichuan People’s Republic of China
| | - Jingsheng Yu
- Agronomy College, Sichuan Agricultural University, Wenjiang, 611130 Chengdu, Sichuan People’s Republic of China
| | - Zhiyu Chen
- Agronomy College, Sichuan Agricultural University, Wenjiang, 611130 Chengdu, Sichuan People’s Republic of China
| | - Bo Wei
- Agronomy College, Sichuan Agricultural University, Wenjiang, 611130 Chengdu, Sichuan People’s Republic of China
| | - Wei Wu
- Agronomy College, Sichuan Agricultural University, Wenjiang, 611130 Chengdu, Sichuan People’s Republic of China
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295
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Yang X, Lei P, Huang L, Tang X, Wei B, Wei H. Prognostic value of LRRC4C in Colon and Gastric Cancers correlates with Tumour Microenvironment Immunity. Int J Biol Sci 2021; 17:1413-1427. [PMID: 33867855 PMCID: PMC8040466 DOI: 10.7150/ijbs.58876] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 03/19/2021] [Indexed: 12/24/2022] Open
Abstract
In this study, we aimed to use ESTIMATE and CIBERSORT computational methods to analyse transcriptional information on COAD and STAD in TCGA. We downloaded transcriptome RNA-seq data of 446 patients with colon cancer from TCGA and estimated the amount of immune and stromal components in the COAD samples using CIBERSORT algorithms. We analysed differentially expressed genes in 446 TCGA samples and 585 Series GSE39582 samples, in high- and low-scoring groups, using Cox regression. The expression of LRRC4C, correlated positively with clinicopathological characteristics and negatively with the survival of patients with COAD. Single-gene survival analysis using Gene Expression Profiling Interactive Analysis 2.0 and Kaplan-Meier plotter revealed an association between high levels of LRRC4C expression and poor prognosis in patients with colon and gastric cancers. Gene set enrichment analysis of COAD and STAD samples indicated that genes in groups expressing high and low LRRC4C levels were mainly enriched in immune-related activities and metabolic pathways, respectively. Difference and correlation analyses of the relationship between LRRC4C expression and tumour-infiltrating immune cells, determined using CIBERSORT algorithms, revealed that monocytes, resting mast cells, and M2 macrophages were positively correlated with LRRC4C expression.
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Affiliation(s)
- XiaoFeng Yang
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou 510630, China
| | - Purun Lei
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou 510630, China
| | - Lijun Huang
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou 510630, China
| | - Xiao Tang
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou 510630, China
| | - Bo Wei
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou 510630, China
| | - HongBo Wei
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe Road 600, Guangzhou 510630, China
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296
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Xie C, Wei B, Li Y. [A case-control study on the relationship between the ratio of neutrophils to lymphocytes in malignant tumors and ventilator-associated pneumonia]. Zhonghua Wei Zhong Bing Ji Jiu Yi Xue 2021; 33:165-168. [PMID: 33729134 DOI: 10.3760/cma.j.cn121430-20200429-00350] [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: 11/05/2022]
Abstract
OBJECTIVE To explore the relationship between ventilator-associated pneumonia (VAP) and neutrophil/lymphocyte ratio (NLR) before mechanical ventilation in patients with malignant tumors. METHODS A retrospective nested case-control study was conducted. Patients with malignant tumor treated by mechanical ventilation admitted to the Third Affiliated Hospital of Guizhou Medical University from February 2015 to February 2020 were enrolled. The patients with VAP were selected as the case group, and the matched non-VAP cases were selected according to 1:2 as the control group. The clinical data were collected, and the differences of each index between the two groups were compared. The influencing factors of VAP in patients with malignant tumor were analyzed by multivariate Logistic regression. RESULTS During the study period, 1 271 patients with malignant tumors were treated with mechanical ventilation, of which 241 cases had VAP, and the incidence of VAP was 18.96%. There were 232 VAP patients in the case group matched 464 non-VAP patients in the control group. The clinical data of age, gender, hospitalization diagnosis, primary tumor, regional lymph node and distant metastasis (TNM) stage, acute physiology and chronic health evaluation II (APACHE II), complications, duration of mechanical ventilation, hemoglobin (Hb) and serum albumin (Alb) levels were balanced and comparable between the two groups, and the cluster nursing measures were consistent. Compared with the control group, although there was no significant difference in neutrophil count (NEU) and lymphocyte count (LYM) in the case group [NEU (×109/L): 3.81±1.07 vs. 3.64±1.05, LYM (×109/L): 2.06±0.59 vs. 2.15±0.62, both P > 0.05], NLR was significantly increased (2.07±1.05 vs. 1.89±0.96, P < 0.05), and the hospital stay was significantly longer (days: 24.84±3.81 vs. 13.19±3.98, P < 0.01). NLR, gender, age, APACHE II score, TNM stage, Hb, serum Alb and duration of mechanical ventilation were included in multivariate Logistic regression analysis. The results showed that patients with elevated NLR had higher risk of VAP [odds ratio (OR) = 1.187, 95% confidence interval (95%CI) was 1.015-1.387, P = 0.032]. In patients with VAP, NLR was negatively correlated with the time of mechanical ventilation before VAP (r = -0.327, P = 0.000), and positively correlated with the time of treatment with antibiotics after VAP (r = 0.559, P = 0.000). CONCLUSIONS Elevated NLR in patients with malignant tumors who were on mechanical ventilation can significantly increase the risk of VAP and increase the difficulty of treatment.
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Affiliation(s)
- Chaoyun Xie
- Department of Infection Management, the Third Affiliated Hospital of Guizhou Medical University, Duyun 558000, Guizhou, China
| | - Bo Wei
- Department of Critical Medicine, the Third Affiliated Hospital of Guizhou Medical University, Duyun 558000, Guizhou, China. Corresponding author: Xie Chaoyun,
| | - Yaofu Li
- Department of Infection Management, the Third Affiliated Hospital of Guizhou Medical University, Duyun 558000, Guizhou, China
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297
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Lan T, Tong H, Qian S, Wei B, Huang Z, Wu H, Tan Q, Gao J, Bai S, Gong H, Jiang T, Yang J, Zhang Q, Hu B, Tang C. Prophylactic transcatheter angiographic embolization reduces Forrest IIa ulcer rebleeding: A retrospective study. Medicine (Baltimore) 2021; 100:e23855. [PMID: 33725926 PMCID: PMC7982249 DOI: 10.1097/md.0000000000023855] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 10/31/2020] [Indexed: 02/07/2023] Open
Abstract
The application of transcatheter angiographic embolization (TAE) is controversial in the treatment of ulcer bleeding. This study aims to determine rebleeding risk factors and evaluate the efficacy of prophylactic TAE (p-TAE) following endoscopic hemostasis in rebleeding prevention of Forrest lla ulcers.The medical records of Forrest lla ulcer patients who underwent endoscopic hemostasis (E group) and endoscopic hemostasis plus p-TAE (E + p-TAE group) in West China Hospital from May 2009 to May 2018 were retrospectively reviewed. Baseline characteristics, clinical efficacy, and rebleeding risk factors were analyzed.As a result, a total of 102 patients were included, with 75 and 27 patients in E and E + p-TAE group, respectively. Most of the baseline data in E and E + p-TAE group were similar except for the proportion of protruded non-bleeding visible vessel (NBVV) (E group vs E + p-TAE group, 50.7% vs 74.1%, P = .035). The rebleeding rate of E + p-TAE group (3.7%) was significantly lower than E group (24.0%) (P = .02). The protruded NBVV (OR: 6.896, 95% confidence interval [CI]: 1.532-30.642, P = .01) and employment of p-TAE (OR: 0.038, 95% CI: 0.003-0.448, P = .009) were identified as independent risk factors for Forrest IIa ulcer rebleeding. Additionally, log-rank test indicated the rebleeding occurrence was greatly reduced by p-TAE in patients with protruded NBVVs (P = .006).In conclusion, the protruded NBVV and employment of p-TAE were the independent risk factors tightly associated with rebleeding of Forrest IIa ulcer. P-TAE following endoscopic hemostasis could effectively prevent Forrest IIa ulcer from rebleeding.
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Affiliation(s)
- Tian Lan
- Department of Gastroenterology
- Lab. of Gastroenterology and Hepatology, State Key Laboratory of Biotherapy, West China Hospital
| | | | - Shuaijie Qian
- West China School of Medicine, Sichuan University, Chengdu
| | - Bo Wei
- Department of Gastroenterology
| | | | - Hao Wu
- Department of Gastroenterology
| | | | - Jinhang Gao
- Lab. of Gastroenterology and Hepatology, State Key Laboratory of Biotherapy, West China Hospital
| | | | | | - Ting Jiang
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Jinhui Yang
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | | | - Bing Hu
- Department of Gastroenterology
| | - Chengwei Tang
- Department of Gastroenterology
- Lab. of Gastroenterology and Hepatology, State Key Laboratory of Biotherapy, West China Hospital
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Abstract
RATIONALE Jejunal varices are rare in portal hypertension and are often difficult to diagnose and treat. Herein, we present a case of gastrointestinal bleeding due to jejunal varices after hepatobiliary surgery. PATIENT CONCERNS A 69-year-old man presented with recurrent massive gastrointestinal bleeding. He underwent partial right hepatectomy and cholangiojejunostomy 2 years prior to the first onset of bleeding. Two sessions of endoscopic vessel ligation for esophageal varices were performed afterwards, and hematemesis resolved completely, but massive melena still recurred during the following 5 years. DIAGNOSIS The patient was diagnosed with jejunal varices caused by portal venous stenosis after hepatobiliary surgery. INTERVENTION Portal venous angioplasty using balloon dilation and stent implantation was performed. OUTCOMES After the intervention procedure, the patient did not experience any onset of gastrointestinal bleeding during follow-up. LESSONS Hepatopancreatobiliary could lead to the formation of jejunal varices. The combined use of capsule endoscopy, contrast-enhanced computed tomography, and sometimes portal venography is a promising strategy to search for jejunal varices. Transcatheter angioplasty appears to be a safe and effective method for treatment of jejunal varices in certain appropriate cases.
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Affiliation(s)
- Yang Tai
- Department of Gastroenterology
- Laboratory of Gastroenterology and Hepatology, West China Hospital, Sichuan University, Chengdu, China
| | | | - Bo Wei
- Department of Gastroenterology
| | - Hao Wu
- Department of Gastroenterology
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299
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Liang R, Zhu X, Lan T, Ding D, Zheng Z, Chen T, Huang Y, Liu J, Yang X, Shao J, Wei H, Wei B. TIGIT promotes CD8 +T cells exhaustion and predicts poor prognosis of colorectal cancer. Cancer Immunol Immunother 2021; 70:2781-2793. [PMID: 33634371 DOI: 10.1007/s00262-021-02886-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 02/08/2021] [Indexed: 12/12/2022]
Abstract
TIGIT is a lymphocyte surface receptor, which is mainly expressed on the surface of CD8+T cells. The role of TIGIT in colorectal cancer and its expression pattern in colorectal cancer infiltrating lymphocytes are still controversial. This study aimed at identifying the function of TIGIT in colorectal cancer. Patients with colorectal cancer showed significantly higher TIGIT+CD8+T cell infiltration in tumor tissues, metastases compared with paired PBMC and normal tissues through flow cytometry. TIGIT+CD8+T cells showed an exhausted phenotype and expressed low levels of killer cytokines IFN-γ, IL-2, TNF-α. In addition, more inhibitory receptors such as PD-1, LAG-3, and TIM-3 were expressed on the surface of TIGIT+CD8+T cells. TGF-β1 could promote the expression of TIGIT and inhibit CD8+T cell function in vitro. Moreover, the accumulation of TIGIT+T cells in tumors was associated with advanced disease, predicted early recurrence, and reduced survival rates in colorectal cancer patients. Our results indicate that TIGIT can be a biological marker for the prognosis of colorectal cancer, and TIGIT can be used as a potential target for treatment.
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Affiliation(s)
- Rongpu Liang
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Xudong Zhu
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Tianyun Lan
- Central Laboratory, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510630, Guangdong, People's Republic of China
| | - Dongbing Ding
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Zongheng Zheng
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Tufeng Chen
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Yong Huang
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Jianpei Liu
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Xiaofeng Yang
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Jun Shao
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China
| | - Hongbo Wei
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China.
| | - Bo Wei
- Department of Gastrointestinal Surgery, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510630, People's Republic of China.
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300
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Ma R, Wei B, Wang J. Theoretical study for bubble diameter prediction at detachment from an orifice in high liquid velocity cross-flow. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2021.1883054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Rui Ma
- School of Mechanical and Power Engineering, Shanghai Jiao Tong University, Shanghai, China
- School of Electrical Engineering, Xinjiang University, Xinjiang Urumqi, China
| | - Bo Wei
- School of Chemistry and Chemical Engineering, Xinjiang University, Xinjiang Urumqi, China
| | - Jianjiang Wang
- School of Chemistry and Chemical Engineering, Xinjiang University, Xinjiang Urumqi, China
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