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Jiang J, Li Z, Li H, Yang J, Ma X, Yan B. Sleep architecture and the incidence of depressive symptoms in middle-aged and older adults: A community-based study. J Affect Disord 2024; 352:222-228. [PMID: 38342319 DOI: 10.1016/j.jad.2024.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 01/30/2024] [Accepted: 02/07/2024] [Indexed: 02/13/2024]
Abstract
BACKGROUND Rapid eye movement (REM) sleep and three stages of non-REM (NREM) sleep comprise the full sleep cycle. The changes in sleep have been linked to depression risk. This study aimed to explore the association between sleep architecture and depressive symptoms. METHODS A total of 3247 participants from the Sleep Heart Health Study (SHHS) were included in this cohort study. REM and NREM sleep were monitored by in-home polysomnography at SHHS visit 1. Depressive symptoms was reported as the first occurrence between SHHS visits 1 and 2 (mean follow-up of 5.3 years). Multivariable logistic regression was used to investigate the relationship between sleep stages and depressive symptoms. RESULTS In total, 225 cases of depressive symptoms (6.9 %) were observed between SHHS visits 1 and 2. A significant linear association between NREM Stage 1 and depressive symptoms was found after adjusting for potential covariates. Multivariable logistic regression analysis showed that percentage in NREM Stage 1 was associated with the incidence of depressive symptoms (odds ratio [OR], 1.06; 95 % confidence interval [CI], 1.02-1.10; P = 0.001), as were time in NREM Stage 1 and depressive symptoms (OR, 1.02; 95 % CI, 1.01-1.03; P = 0.001). However, no significant association with depressive symptoms was found for other sleep stage. LIMITATIONS The specific follow-up time for depressive symptoms diagnosis was missing. CONCLUSIONS Increased time or percentage in NREM Stage 1 was associated with a higher risk of developing depressive symptoms. The early change in sleep architecture were important for incidence of depressive symptoms and warrants constant concerns.
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Affiliation(s)
- Jialu Jiang
- Department of Psychiatry, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China; Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Zhenyang Li
- Xi'an Jiaotong University Health Science Center, Xi'an, China; Department of Clinical Research Center, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Huimin Li
- Department of Psychiatry, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jian Yang
- Department of Psychiatry, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China; Department of Clinical Research Center, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China; Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiancang Ma
- Department of Psychiatry, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China; Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
| | - Bin Yan
- Department of Psychiatry, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China; Department of Clinical Research Center, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China; Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
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Meng Z, Chen Y, Li H, Zhang Y, Yao X, Meng Y, Shi W, Liang Y, Hu Y, Liu D, Xie M, Yan B, Luo J. Machine learning and optical coherence tomography-derived radiomics analysis to predict persistent diabetic macular edema in patients undergoing anti-VEGF intravitreal therapy. J Transl Med 2024; 22:358. [PMID: 38627718 PMCID: PMC11022368 DOI: 10.1186/s12967-024-05141-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 03/28/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Diabetic macular edema (DME) is a leading cause of vision loss in patients with diabetes. This study aimed to develop and evaluate an OCT-omics prediction model for assessing anti-vascular endothelial growth factor (VEGF) treatment response in patients with DME. METHODS A retrospective analysis of 113 eyes from 82 patients with DME was conducted. Comprehensive feature engineering was applied to clinical and optical coherence tomography (OCT) data. Logistic regression, support vector machine (SVM), and backpropagation neural network (BPNN) classifiers were trained using a training set of 79 eyes, and evaluated on a test set of 34 eyes. Clinical implications of the OCT-omics prediction model were assessed by decision curve analysis. Performance metrics (sensitivity, specificity, F1 score, and AUC) were calculated. RESULTS The logistic, SVM, and BPNN classifiers demonstrated robust discriminative abilities in both the training and test sets. In the training set, the logistic classifier achieved a sensitivity of 0.904, specificity of 0.741, F1 score of 0.887, and AUC of 0.910. The SVM classifier showed a sensitivity of 0.923, specificity of 0.667, F1 score of 0.881, and AUC of 0.897. The BPNN classifier exhibited a sensitivity of 0.962, specificity of 0.926, F1 score of 0.962, and AUC of 0.982. Similar discriminative capabilities were maintained in the test set. The OCT-omics scores were significantly higher in the non-persistent DME group than in the persistent DME group (p < 0.001). OCT-omics scores were also positively correlated with the rate of decline in central subfield thickness after treatment (Pearson's R = 0.44, p < 0.001). CONCLUSION The developed OCT-omics model accurately assesses anti-VEGF treatment response in DME patients. The model's robust performance and clinical implications highlight its utility as a non-invasive tool for personalized treatment prediction and retinal pathology assessment.
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Affiliation(s)
- Zhishang Meng
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China
| | - Yanzhu Chen
- Department of Radiation Oncology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Haoyu Li
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China
| | - Yue Zhang
- Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, China
| | | | - Yongan Meng
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China
| | - Wen Shi
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China
| | - Youling Liang
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China
| | - Yuqian Hu
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China
| | - Dan Liu
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China
| | - Manyun Xie
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China
| | - Bin Yan
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China.
| | - Jing Luo
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, 139 Middle Renmin Road, Changsha, 410011, China.
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Wang F, Kramer TS, Yan B, Zhu L, Zhu Y, Heeres A, Ciolca D, Jan Heeres H, He S. Enhanced Bio-BTX Formation by Catalytic Pyrolysis of Glycerol with In Situ Produced Toluene as the Cofeed. ACS Sustain Chem Eng 2024; 12:5731-5737. [PMID: 38638549 PMCID: PMC11022236 DOI: 10.1021/acssuschemeng.4c00451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/20/2024]
Abstract
The catalytic coconversion of glycerol and toluene (93/7 wt %) over a technical H-ZSM-5/Al2O3 (60-40 wt %) catalyst was studied, aiming for enhanced production of biobased benzene, toluene, and xylenes (bio-BTX). When using glycerol/toluene cofeed with a mass ratio of 93/7 wt %, a peak BTX carbon yield of 29.7 ± 1.1 C.% (at time on stream (TOS) of 1.5-2.5 h), and an overall BTX carbon yield of 28.7 C.% (during TOS of 8.5 h) were obtained, which are considerably higher than those (19.1 ± 0.4 C.% and 11.0 C.%) for glycerol alone. Synergetic effects when cofeeding toluene on the peak and overall BTX carbon yields were observed and quantified, showing a relative increase of 3.1% and 30.0% for the peak and overall BTX carbon yield (based on the feedstock). These findings indicate that the strategy of cofeeding in situ produced toluene for the conversion of glycerol to aromatics has potential to increase BTX yields. In addition, BTX production on the catalyst (based on the fresh catalyst during the first run for TOS of 8.5 h and without regeneration) is significantly improved to 0.547 ton ton-1catalyst (excluding the 76% of toluene product that is 0.595 ton ton-1catalyst for the recycle in the cofeed) for glycerol/toluene cofeed, which was 0.426 ton ton-1catalyst for glycerol alone. In particular, this self-sufficient toluene product recycling strategy is advantageous for the production and selectivity (relative increase of 84.4% and 43.5% during TOS of 8.5 h) of biobased xylenes.
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Affiliation(s)
- Fukang Wang
- Joint
International Research Laboratory of Circular Carbon, Nanjing Tech University, 211816 Nanjing, P. R. China
| | - Thomas Sjouke Kramer
- Green
Chemical Reaction Engineering, Engineering and Technology Institute
Groningen, University of Groningen, 9747 AG Groningen, The Netherlands
| | - Bin Yan
- Joint
International Research Laboratory of Circular Carbon, Nanjing Tech University, 211816 Nanjing, P. R. China
| | - Lin Zhu
- Joint
International Research Laboratory of Circular Carbon, Nanjing Tech University, 211816 Nanjing, P. R. China
| | - Yuezhao Zhu
- Joint
International Research Laboratory of Circular Carbon, Nanjing Tech University, 211816 Nanjing, P. R. China
| | - Andre Heeres
- Hanze
University of Applied Sciences, 9747 AS Groningen, The Netherlands
| | | | - Hero Jan Heeres
- Green
Chemical Reaction Engineering, Engineering and Technology Institute
Groningen, University of Groningen, 9747 AG Groningen, The Netherlands
| | - Songbo He
- Joint
International Research Laboratory of Circular Carbon, Nanjing Tech University, 211816 Nanjing, P. R. China
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Pang Y, Zhang J, Jiang J, Pamporaki C, Li M, Bechmann N, Meuter L, Wei Y, Huang H, Huang S, Yu X, Robledo M, Soria MJ, Zhong D, Xu S, Timmers HJLM, Langenhuijsen JF, Chen X, Deng W, Deutschbein T, Remde H, Wang L, Yao H, Yan B, Berends AMA, Kerstens MN, Jiang Y, Crona J, Xu N, Cai H, Wen Y, Wang A, Wu J, Zhang Z, Ning J, Cheng F, Chen X, Wang J, Xie B, Chen D, Liu Y, Liu L, Pacak K, Eisenhofer G, Lenders JWM. Diagnosis and management of urinary bladder paragangliomas: A Sino-American-European retrospective observational study. Clin Endocrinol (Oxf) 2024. [PMID: 38606576 DOI: 10.1111/cen.15058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/22/2023] [Accepted: 04/02/2024] [Indexed: 04/13/2024]
Abstract
OBJECTIVE Paragangliomas of the urinary bladder (UBPGLs) are rare neuroendocrine tumours and pose a diagnostic and surgical challenge. It remains unclear what factors contribute to a timely presurgical diagnosis. The purpose of this study is to identify factors contributing to missing the diagnosis of UBPGLs before surgery. DESIGN, PATIENTS AND MEASUREMENTS A total of 73 patients from 11 centres in China, and 51 patients from 6 centres in Europe and 1 center in the United States were included. Clinical, surgical and genetic data were collected and compared in patients diagnosed before versus after surgery. Logistic regression analysis was used to identify clinical factors associated with initiation of presurgical biochemical testing. RESULTS Among all patients, only 47.6% were diagnosed before surgery. These patients were younger (34.0 vs. 54.0 years, p < .001), had larger tumours (2.9 vs. 1.8 cm, p < .001), and more had a SDHB pathogenic variant (54.7% vs. 11.9%, p < .001) than those diagnosed after surgery. Patients with presurgical diagnosis presented with more micturition spells (39.7% vs. 15.9%, p = .003), hypertension (50.0% vs. 31.7%, p = .041) and catecholamine-related symptoms (37.9% vs. 17.5%, p = .012). Multivariable logistic analysis revealed that presence of younger age (<35 years, odds ratio [OR] = 6.47, p = .013), micturition spells (OR = 6.79, p = .007), hypertension (OR = 3.98, p = .011), and sweating (OR = 41.72, p = .013) increased the probability of initiating presurgical biochemical testing. CONCLUSIONS Most patients with UBPGL are diagnosed after surgery. Young age, hypertension, micturition spells and sweating are clues in assisting to initiate early biochemical testing and thus may establish a timely presurgical diagnosis.
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Affiliation(s)
- Yingxian Pang
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jing Zhang
- Department of Endocrinology and Metabolism, Zhongshan Hospital Fudan University, Shanghai, China
| | - Jingjing Jiang
- Department of Endocrinology and Metabolism, Zhongshan Hospital Fudan University, Shanghai, China
| | - Christina Pamporaki
- Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden, Germany
- Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität, Dresden, Germany
| | - Minghao Li
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität, Dresden, Germany
| | - Nicole Bechmann
- Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden, Germany
- Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität, Dresden, Germany
| | - Leah Meuter
- Section of Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Yongbao Wei
- Shengli Clinical Medical College of Fujian Medical University and Department of Urology, Fujian Provincial Hospital, Fuzhou, China
| | - Haijian Huang
- Shengli Clinical Medical College of Fujian Medical University and Department of Urology, Fujian Provincial Hospital, Fuzhou, China
| | - Shenghui Huang
- Shengli Clinical Medical College of Fujian Medical University and Department of Urology, Fujian Provincial Hospital, Fuzhou, China
| | - Xunbin Yu
- Shengli Clinical Medical College of Fujian Medical University and Department of Urology, Fujian Provincial Hospital, Fuzhou, China
| | - Mercedes Robledo
- Hereditary Endocrine Cancer Group, Spanish National Cancer Research Center and Centro de Investigación Biomédica en Red de Enfermedades Raras, Madrid, Spain
| | - Miguel J Soria
- Department of Medical Oncology, European University of Madrid, University Getafe Hospital, Madrid, Spain
| | - Dewen Zhong
- Department of Urology, Longyan First Affiliated Hospital of Fujian Medical University, Longyan, China
| | - Shangyuan Xu
- Department of Urology, Longyan First Affiliated Hospital of Fujian Medical University, Longyan, China
| | - Henri J L M Timmers
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | | | - Xiaofeng Chen
- Department of Urology, The First People's Hospital of Chenzhou, Chenzhou, China
| | - Wanglong Deng
- Department of Urology, The First People's Hospital of Chenzhou, Chenzhou, China
| | - Timo Deutschbein
- Department of Internal Medicine I, Division of Endocrinology and Diabetes, University Hospital, University of Würzburg, Würzburg, Germany
- Medicover Oldenburg MVZ, Oldenburg, Germany
| | - Hanna Remde
- Department of Internal Medicine I, Division of Endocrinology and Diabetes, University Hospital, University of Würzburg, Würzburg, Germany
| | - Long Wang
- Department of Urology, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Hanyu Yao
- Department of Urology, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Bin Yan
- Department of Urology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Annika M A Berends
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Michiel N Kerstens
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Yazhuo Jiang
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Joakim Crona
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Ning Xu
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Hai Cai
- Department of Urology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Yanlin Wen
- Department of Urology, Nanchong Central Hospital, The Second Clinical Hospital of North Sichuan Medical College, Szechwan, China
| | - Anguo Wang
- Department of Urology, Nanchong Central Hospital, The Second Clinical Hospital of North Sichuan Medical College, Szechwan, China
| | - Ji Wu
- Department of Urology, Nanchong Central Hospital, The Second Clinical Hospital of North Sichuan Medical College, Szechwan, China
| | - Zongpin Zhang
- Department of Urology, Nanchong Central Hospital, The Second Clinical Hospital of North Sichuan Medical College, Szechwan, China
| | - Jinzhuo Ning
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiang Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Jing Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Bin Xie
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Danlei Chen
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Yujun Liu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Longfei Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Karel Pacak
- Section of Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Graeme Eisenhofer
- Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden, Germany
- Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität, Dresden, Germany
| | - Jacques W M Lenders
- Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität, Dresden, Germany
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
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Zhao Y, Fu R, Hu F, Yan B, Yang Q, Gu Y, Lan J, Deng C, Chen S. Aqueous Dispersion of Aramid Nanofibers Achieved by Using Tannic Acid for Ultrahigh Strength Films. ACS Appl Mater Interfaces 2024. [PMID: 38592862 DOI: 10.1021/acsami.4c00851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Polymer nanofibers have established a robust foundation and possess immense potential in various emerging fields such as sensors and biotechnology. In this study, aqueous dispersions of aramid nanofibers (ANFs) were successfully prepared by using tannic acid (TA). Morphological analysis revealed that TA effectively prevented self-aggregation of ANFs, and preserved the nanofiber structure during TA-assisted solvent exchange. Subsequently, the ANF and TA/ANF films were fabricated using casting and vacuum-assisted filtration techniques. Notably, the tensile strength of the casting TA/ANF film reached 393.8 MPa, exhibiting a remarkable improvement of 41.3% compared to that of the pure ANF film. These exceptional mechanical properties can be attributed to the well-dispersed nanostructures, hydrogen-bonding interactions, zigzag structures, and fiber-bridging effects. Furthermore, the TA/ANF film demonstrated superior ultraviolet (UV) shielding capabilities, visible transparency properties, and excellent resistance to chemical reagents. The above-mentioned interesting findings demonstrate its potential as a nanofiber-reinforced material for poly(vinyl alcohol) (PVA) composites.
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Affiliation(s)
- Yinghui Zhao
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Runfang Fu
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Fei Hu
- École Polytechnique Fédérale de Lausanne (EPFL), Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, Bâtiment MXD, Station12, 1015 Lausanne, Switzerland
| | - Bin Yan
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Qin Yang
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Yingchun Gu
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Jianwu Lan
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Cong Deng
- Analytical & Testing Center, Sichuan University, Chengdu 610065, China
| | - Sheng Chen
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
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Yuan P, Xie Y, Xu R, Li Y, Yao K, Liu J, Yan B, Jiang S, Lu Q, Chen Q, Zang H, Xiong W, Tang Y, Hu S, Wang L. Efficacy of indocyanine green fluorescence-guided inguinal lymph node dissection for penile cancer: a randomised trial. BJU Int 2024; 133:442-450. [PMID: 37983593 DOI: 10.1111/bju.16231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
OBJECTIVES To investigate the safety and efficacy of indocyanine green (ICG) fluorescence-guided inguinal lymph node dissection (ILND) in patients with penile cancer. PATIENTS AND METHODS A prospective, single-blind, randomised controlled clinical trial (ChiCTR2100044584) was performed among patients with penile caner who underwent bilateral modified ILND at four centres in China between 1 April 2021 and 30 June 2022. Patients aged 18-80 years and diagnosed with squamous cell carcinomas were included. Each enrolled patient was randomly assigned to either ICG fluorescence-guided ILND by a laparoscopic or robot-assisted approach in one groin, with non-ICG fluorescence-guided ILND in the other groin acting as a control. The primary outcome was the number of retrieved ILNs. Secondary outcomes included complications according to the Clavien-Dindo classification and the ILN non-compliance (inadequate removal of ILNs) rate. RESULTS A total of 45 patients were included in the intention-to-treat (ITT) analysis, and the 42 who completed the entire study were included in the per protocol (PP) analysis. There were no ICG-related complications in any of the patients. The results of the ITT and PP analyses indicated that the total number of unilateral ILNs retrieved was higher on the ICG side than on the non-ICG side (mean 13 vs 9 ILNs, difference 4 ILNs [95% CI 2.7-4.4], P = 0.007), and the number of unilateral deep and superficial ILNs was higher on the ICG side. Furthermore, the LN non-compliance rate was lower on the ICG side than on the non-ICG side. Additionally, there was no significant difference in local complications in the groins between the two sides (P > 0.05). CONCLUSION An ICG fluorescence-guided ILND was safe for patients with penile cancer. This procedure can improve the number of ILNs retrieved and reduce the LN non-compliance rate without increased complications. ICG fluorescence-guided ILND is beneficial and recommended for selected patients with penile cancer.
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Affiliation(s)
- Peng Yuan
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yu Xie
- Department of Urology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Ran Xu
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yuanwei Li
- Department of Urology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Kun Yao
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jianye Liu
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Bin Yan
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Shusuan Jiang
- Department of Urology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Qiang Lu
- Department of Urology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Qian Chen
- Department of Pathology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Hongjing Zang
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Wei Xiong
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yongxiang Tang
- Department of Nuclear Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Shuo Hu
- Department of Nuclear Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Long Wang
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
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7
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Liu D, Yan B, Yin Y, Chen F, Guo C, Li Q, Liu J, Pu L, Wu W, Luo J. PI3Kδ Mediates Fibrosis by Patient-Derived Vitreous. J Transl Med 2024; 104:102026. [PMID: 38307209 DOI: 10.1016/j.labinv.2024.102026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/23/2023] [Accepted: 01/24/2024] [Indexed: 02/04/2024] Open
Abstract
The epithelial-mesenchymal transition (EMT) is a fundamental process in developing fibrotic diseases, including forming epiretinal membranes (ERMs). ERMs can result in irreversible vision loss. Previous research has demonstrated that vitreous (VIT) derived from patients with proliferative diabetic retinopathy can stimulate angiogenesis through the Axl/PI3K/Akt pathway. Building upon this knowledge, we aimed to explore the influence of VIT from patients with macular membranes in ARPE-19 cells. Our findings reveal that patient-derived VIT from individuals with macular membranes promotes EMT and phosphoinositide 3-kinase-delta (PI3Kδ) expression in ARPE-19 cells. To elucidate the function of PI3Kδ in the ERM, we conducted experiments involving the knockout of p110δ, a key subunit of PI3Kδ, and observed that its absence hinders EMT induced by patient-derived VIT. Moreover, p110δ depletion reduces cell proliferation and migration in ARPE-19 cells. Remarkably, these effects were further corroborated by applying the p110δ inhibitor idelalisib, which blocks fibrosis in the laser-induced fibrosis model. Collectively, our results propose that p110δ plays a critical role in the progression of ERMs. Consequently, targeting p110δ emerges as a promising therapeutic approach for mitigating fibrosis. These findings contribute to a better understanding of the underlying mechanisms involved in ERM formation and highlight the potential for p110δ-directed antifibrotic therapy in retinal diseases.
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Affiliation(s)
- Dan Liu
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Ophthalmology, Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Bin Yan
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yiwei Yin
- Department of Ophthalmology, Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fang Chen
- Hunan Key Laboratory of Molecular Precision Medicine, Xiangya Hospital and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Cao Guo
- Institute of Medical Sciences, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qin Li
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jia Liu
- School of Medicine, Hunan University of Medicine, Huaihua, Hunan, China
| | - Li Pu
- Department of Ophthalmology, Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenyi Wu
- Department of Ophthalmology, Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - Jing Luo
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Wu Q, Liu LT, Wang XY, Lang ZF, Meng XH, Guo SF, Yan B, Zhan T, Zheng HZ, Wang HW. Retraction notice to "Lycium barbarum polysaccharides attenuate kidney injury in septic rats by regulating Keap1-Nrf2/ARE pathway" [Life Sci. 242 (2020) 117240]. Life Sci 2024; 342:122516. [PMID: 38402109 DOI: 10.1016/j.lfs.2024.122516] [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: 02/26/2024]
Affiliation(s)
- Qi Wu
- Pathological Diagnostic Center, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang 157011, PR China
| | - Lan-Tao Liu
- Graduate School of Mudanjiang Medical University, Mudanjiang 157011, PR China
| | - Xue-Yong Wang
- Department of Burn, The 78th Group Army of the Chinese People's Liberation Army, PR China
| | - Zhi-Fang Lang
- Pathological Diagnostic Center, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang 157011, PR China
| | - Xiang-Hui Meng
- Department of Dermatology, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang 157011, PR China
| | - Su-Fen Guo
- Pathological Diagnostic Center, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang 157011, PR China
| | - Bin Yan
- Pathological Diagnostic Center, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang 157011, PR China
| | - Tao Zhan
- Pathological Diagnostic Center, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang 157011, PR China
| | - Hui-Zhe Zheng
- Pathological Diagnostic Center, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang 157011, PR China
| | - Hong-Wei Wang
- Pathological Diagnostic Center, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang 157011, PR China
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Ma M, Fan Y, Peng Y, Ma Q, Jia M, Qi Z, Yang J, Wang W, Ma X, Yan B. Association of sleep timing with all-cause and cardiovascular mortality: the Sleep Heart Health Study and the Osteoporotic Fractures in Men Study. J Clin Sleep Med 2024; 20:545-553. [PMID: 38561941 PMCID: PMC10985312 DOI: 10.5664/jcsm.10926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/19/2023] [Accepted: 11/20/2023] [Indexed: 04/04/2024]
Abstract
STUDY OBJECTIVES Previous studies have highlighted the importance of sleep patterns for human health. This study aimed to investigate the association of sleep timing with all-cause and cardiovascular disease mortality. METHODS Participants were screened from two cohort studies: the Sleep Heart Health Study (SHHS; n = 4,824) and the Osteoporotic Fractures in Men Study (n = 2,658). Sleep timing, including bedtime and wake-up time, was obtained from sleep habit questionnaires at baseline. The sleep midpoint was defined as the halfway point between the bedtime and wake-up time. Restricted cubic splines and Cox proportional hazards regression analyses were used to examine the association between sleep timing and mortality. RESULTS We observed a U-shaped association between bedtime and all-cause mortality in both the SHHS and Osteoporotic Fractures in Men Study groups. Specifically, bedtime at 11:00 pm and waking up at 7:00 am was the nadir for all-cause and cardiovascular disease mortality risks. Individuals with late bedtime (> 12:00 am) had an increased risk of all-cause mortality in SHHS (hazard ratio 1.53, 95% confidence interval 1.28-1.84) and Osteoporotic Fractures in Men Study (hazard ratio 1.27, 95% confidence interval 1.01-1.58). In the SHHS, late wake-up time (> 8:00 am) was associated with increased all-cause mortality (hazard ratio 1.39, 95% confidence interval 1.13-1.72). No significant association was found between wake-up time and cardiovascular disease mortality. Delaying sleep midpoint (> 4:00 am) was also significantly associated with all-cause mortality in the SHHS and Osteoporotic Fractures in Men Study. CONCLUSIONS Sleep timing is associated with all-cause and cardiovascular disease mortality. Our findings highlight the importance of appropriate sleep timing in reducing mortality risk. CITATION Ma M, Fan Y, Peng Y, et al. Association of sleep timing with all-cause and cardiovascular mortality: the Sleep Heart Health Study and the Osteoporotic Fractures in Men Study. J Clin Sleep Med. 2024;20(4):545-553.
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Affiliation(s)
- Mingfang Ma
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yajuan Fan
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yuan Peng
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Qingyan Ma
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Min Jia
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Zhiyang Qi
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Jian Yang
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Wei Wang
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xiancang Ma
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Bin Yan
- Department of Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Shaanxi Belt and Road Joint Laboratory of Precision Medicine in Psychiatry, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
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Han C, Yan B, Yu X, Yang M, Webb MD. Three new species of the leafhopper genus Arboridia Zachvatkin (Hemiptera, Cicadellidae, Typhlocybinae), with a key and checklist to known species of China. Zookeys 2024; 1196:255-269. [PMID: 38586074 PMCID: PMC10995609 DOI: 10.3897/zookeys.1196.118829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 02/27/2024] [Indexed: 04/09/2024] Open
Abstract
Three new species of the leafhopper genus ArboridiaZachvatkin 1946, Arboridia (Arboridia) furcata Han, sp. nov., Arboridia (Arboridia) rubrovittata Han, sp. nov., and Arboridia (Arboridia) robustipenis Han, sp. nov., are described and illustrated from fruit trees in Southwest China. A key and checklist to known species from China are provided.
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Affiliation(s)
- Chang Han
- Institute of Entomology, Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, Guizhou University, Guiyang 550025, China
| | - Bin Yan
- Institute of Entomology, Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, Guizhou University, Guiyang 550025, China
| | - Xiaofei Yu
- Institute of Entomology, Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, Guizhou University, Guiyang 550025, China
| | - Maofa Yang
- Institute of Entomology, Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, Guizhou University, Guiyang 550025, China
| | - Michael D. Webb
- College of Tobacco Science, Guizhou University, Guiyang 550025, China
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11
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Zhao X, Wu S, Yan B, Liu B. New evidence on the real role of digital economy in influencing public health efficiency. Sci Rep 2024; 14:7190. [PMID: 38531934 DOI: 10.1038/s41598-024-57788-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 03/21/2024] [Indexed: 03/28/2024] Open
Abstract
In recent years, the rapid advancement of digital technology has supported the growth of the digital economy. The transformation towards digitization in the public health sector serves as a key indicator of this economic shift. Understanding how the digital economy continuously improves the efficiency of public health services and its various pathways of influence has become increasingly important. It is essential to clarify the impact mechanism of the digital economy on public health services to optimize health expenditures and advance digital economic construction. This study investigates the impact of digital economic development on the efficiency of public health services from a novel perspective, considering social media usage and urban-rural healthcare disparities while constructing a comprehensive index of digital economic development. The findings indicate that the digital economy reduces the efficiency of public health services primarily through two transmission mechanisms: the promotion of social media usage and the widening urban-rural healthcare gap. Moreover, these impacts and transmission pathways exhibit spatial heterogeneity. This study unveils the intrinsic connection and mechanisms of interaction between digital economic development and the efficiency of public health services, providing a theoretical basis and reference for government policy formulation. However, it also prompts further considerations on achieving synergy and interaction between the digital economy and public health services.
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Affiliation(s)
- Xiongfei Zhao
- School of Economics and Management, Beijing University of Technology, Beijing, 100124, China
| | - Shansong Wu
- School of Management Science and Engineering, Dongbei University of Finance and Economics, Dalian, 116025, China.
| | - Bin Yan
- School of Management Engineering & E-Commerce, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Baoliu Liu
- School of Economics and Management, Beijing University of Technology, Beijing, 100124, China
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12
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Wu B, Cui Z, Zechariah E, Guo L, Gao Y, Yan B, Liu H, Wang Y, Wang H, Li L. Post-anthesis dry matter and nitrogen accumulation, partitioning, and translocation in maize under different nitrate-ammonium ratios in Northwestern China. Front Plant Sci 2024; 15:1257882. [PMID: 38567136 PMCID: PMC10985316 DOI: 10.3389/fpls.2024.1257882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 02/26/2024] [Indexed: 04/04/2024]
Abstract
Introduction An appropriate supply of ammonium (NH4+) in addition to nitrate (NO3-) can greatly improve plant growth and promote maize productivity. However, knowledge gaps exist regarding the mechanisms by which different nitrogen (N) fertilizer sources affect the enzymatic activity of nitrogen metabolism and non-structural carbohydrates during the post-anthesis period. Methods A field experiment across 3-year was carried out to explore the effects of four nitrateammonium ratio (NO3-/NH4+ = 1:0 (N1), 1:1 (N2), 1:3 (N3), and 3:1 (N4)) on postanthesis dry matter (DM) and N accumulation, partitioning, transportation, and grain yield in maize. Results NO3-/NH4+ ratio with 3:1 improved the enzymatic activity of N metabolism and non-structural carbohydrate accumulation, which strongly promoted the transfer of DM and N in vegetative organs to reproductive organs and improved the pre-anthesis DM and nitrogen translocation efficiency. The enzymatic activities of nitrate reductase, nitrite reductase, glutamine synthetase, glutamine oxoglutarate aminotransferase, and non-structural carbohydrate accumulation under N4 treatment were increased by 9.30%-32.82%, 13.19%-37.94%, 4.11%-16.00%, 11.19%-30.82%, and 14.89%-31.71% compared with the other treatments. Mixed NO3--N and NH4+-N increased the total DM accumulation at the anthesis and maturity stages, simultaneously decreasing the DM partitioning of stem, increasing total DM, DM translocation efficiency (DMtE), and contribution of pre-anthesis assimilates to the grain (CAPG) in 2015 and 2017, promoting the transfer of DM from stem to grain. Furthermore, the grain yield increased by 3.31%-9.94% (2015), 68.6%-26.30% (2016), and 8.292%-36.08% (2017) under the N4 treatment compared to the N1, N2, and N3 treatments. Conclusion The study showed that a NO3-/NH4+ ratio of 3:1 is recommended for high-yield and sustainable maize management strategies in Northwestern China.
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Affiliation(s)
- Bing Wu
- College of Life Science and Technology, Gansu Agricultural University, Lanzhou, China
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
| | - Zhengjun Cui
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Tarim University, Alar, China
| | - Effah Zechariah
- Council of Scientific and Industrial Research (CSIR)-Plant Genetic Resources Research Institute, Bunso, Ghana
| | - Lizhuo Guo
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Yuhong Gao
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Bin Yan
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Hongsheng Liu
- Huining Promotion Center of Agricultural Technology, Huinning, China
| | - Yifan Wang
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Haidi Wang
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Li Li
- Baiyin Promotion Center of Agricultural Technology, Baiyin, China
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Wang S, Jiao W, Yan B, Liu X, Tang Q, Zhang Y, Liang C, Wang X, Lyu Y, Fan H, Liu X. Intracellular Magnetic Hyperthermia Enables Concurrent Down-Regulation of CD47 and SIRPα To Potentiate Antitumor Immunity. Nano Lett 2024; 24:2894-2903. [PMID: 38407042 DOI: 10.1021/acs.nanolett.4c00003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Harnessing the potential of tumor-associated macrophages (TAMs) to engulf tumor cells offers promising avenues for cancer therapy. Targeting phagocytosis checkpoints, particularly the CD47-signal regulatory protein α (SIRPα) axis, is crucial for modulating TAM activity. However, single checkpoint inhibition has shown a limited efficacy. In this study, we demonstrate that ferrimagnetic vortex-domain iron oxide (FVIO) nanoring-mediated magnetic hyperthermia effectively suppresses the expression of CD47 protein on Hepa1-6 tumor cells and SIRPα receptor on macrophages, which disrupts CD47-SIRPα interaction. FVIO-mediated magnetic hyperthermia also induces immunogenic cell death and polarizes TAMs toward M1 phenotype. These changes collectively bolster the phagocytic ability of macrophages to eliminate tumor cells. Furthermore, FVIO-mediated magnetic hyperthermia concurrently escalates cytotoxic T lymphocyte levels and diminishes regulatory T cell levels. Our findings reveal that magnetic hyperthermia offers a novel approach for dual down-regulation of CD47 and SIRPα, reshaping the tumor microenvironment to stimulate immune responses, culminating in significant antitumor activity.
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Affiliation(s)
- Siyao Wang
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Wangbo Jiao
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710127, China
| | - Bin Yan
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research, Shaanxi Provincial Key Laboratory of Magnetic Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Xiaofei Liu
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research, Shaanxi Provincial Key Laboratory of Magnetic Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Qianqian Tang
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research, Shaanxi Provincial Key Laboratory of Magnetic Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Yihan Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710127, China
| | - Chen Liang
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Xun Wang
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Yi Lyu
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research, Shaanxi Provincial Key Laboratory of Magnetic Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Haiming Fan
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710127, China
| | - Xiaoli Liu
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research, Shaanxi Provincial Key Laboratory of Magnetic Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
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14
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Lu W, Li Z, Feng M, Zheng L, Liu S, Yan B, Hu JS, Xue DJ. Structure of Amorphous Selenium: Small Ring, Big Controversy. J Am Chem Soc 2024; 146:6345-6351. [PMID: 38377535 DOI: 10.1021/jacs.4c00219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Selenium (Se) discovered in 1817 belongs to the family of chalcogens. Surprisingly, despite the long history of over two centuries and the chemical simplicity of Se, the structure of amorphous Se (a-Se) remains controversial to date regarding the dominance of chains versus rings. Here, we find that vapor-deposited a-Se is composed of disordered rings rather than chains in melt-quenched a-Se. We further reveal that the main origin of this controversy is the facile transition of rings to chains arising from the inherent instability of rings. This transition can be inadvertently triggered by certain characterization techniques themselves containing above-bandgap illumination (above 2.1 eV) or heating (above 50 °C). We finally build a roadmap for obtaining accurate Raman spectra by using above-bandgap excitation lasers with low photon flux (below 1017 phs m-2 s-1) and below-bandgap excitation lasers measured at low temperatures (below -40 °C) to minimize the photoexcitation- and heat-induced ring-to-chain transitions.
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Affiliation(s)
- Wenbo Lu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences,Beijing 100049,China
| | - Zongbao Li
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430220, China
| | - Mingjie Feng
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility (BSRF), Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Shunchang Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Bin Yan
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jin-Song Hu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences,Beijing 100049,China
| | - Ding-Jiang Xue
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences,Beijing 100049,China
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15
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Meng D, Xie H, Yan B, Zhao W, Fu Y, Hu W, Gao Y. Probing the Interaction Mechanism of Sodium Oleate and Dodecyl Amine with Quartz Surfaces in the Presence of Ca 2+ Ions by AFM Force Measurement. ACS Appl Mater Interfaces 2024. [PMID: 38438319 DOI: 10.1021/acsami.3c17292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Quartz is a key raw material in high-tech fields (such as photovoltaics and semiconductor microelectronics), and the most efficient extraction method of quartz is mineral flotation. Quartz activation plays a crucial role in mineral flotation. However, the mechanism underlying the process remains unclear, and the role of additional metal ions is controversial. In this study, the interaction forces between the quartz surface, the dodecylamine (DDA) cation/sodium oleate (NaOL) anion mixed collectors, and Ca2+ were analyzed using atomic force microscopy in order to systematically explore the activation process of quartz flotation. The results confirmed that the activation process was initialized from NaOL, which was adsorbed on the surface of a calcium-covered quartz surface. The existence of DDA inhibited the binding of Ca2+ to NaOL so that more Ca2+ was adsorbed on the quartz surface to provide the adsorption site for NaOL. Moreover, the best adsorption condition of Ca2+ + NaOL + DDA mixed solution was analyzed by quartz crystal microbalance with dissipation, and it demonstrated that the most stable chemisorption environment on the quartz surface was at pH 11.0. In these circumstances, Ca2+ could first adsorb in a point-like manner on the quartz surface, which was then adsorbed with a mixture of NaOL and DDA. This result showed that, at a specific pH, Ca2+ could encourage the coadsorption of cationic/anionic mixed collectors on quartz. This work provides an important new understanding of the intermolecular interactions that take place during complex mineral flotation processes between chemical additives and mineral surfaces. The methodology used in this study can be easily adapted to different interfacial processes, including water treatment, membrane technology, bioengineering, and oil production.
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Affiliation(s)
- Di Meng
- School of Metallurgy and Environment, Central South University, Changsha 410083, PR China
| | - Haipeng Xie
- Physical Science and Electronics, Central South University, Changsha 410083, PR China
| | - Bin Yan
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Weixuan Zhao
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, PR China
| | - Yiming Fu
- Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, 999077 Hong Kong, China
| | - Wenjihao Hu
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, PR China
| | - Yongli Gao
- Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, United States
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Li B, Tong L, Zhang C, Chen P, Wang L, Yan B. Prediction of image interpretation cognitive ability under different mental workloads: a task-state fMRI study. Cereb Cortex 2024; 34:bhae100. [PMID: 38494891 DOI: 10.1093/cercor/bhae100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/19/2024] Open
Abstract
Visual imaging experts play an important role in multiple fields, and studies have shown that the combination of functional magnetic resonance imaging and machine learning techniques can predict cognitive abilities, which provides a possible method for selecting individuals with excellent image interpretation skills. We recorded behavioral data and neural activity of 64 participants during image interpretation tasks under different workloads. Based on the comprehensive image interpretation ability, participants were divided into two groups. general linear model analysis showed that during image interpretation tasks, the high-ability group exhibited higher activation in middle frontal gyrus (MFG), fusiform gyrus, inferior occipital gyrus, superior parietal gyrus, inferior parietal gyrus, and insula compared to the low-ability group. The radial basis function Support Vector Machine (SVM) algorithm shows the most excellent performance in predicting participants' image interpretation abilities (Pearson correlation coefficient = 0.54, R2 = 0.31, MSE = 0.039, RMSE = 0.002). Variable importance analysis indicated that the activation features of the fusiform gyrus and MFG played an important role in predicting this ability. Our study revealed the neural basis related to image interpretation ability when exposed to different mental workloads. Additionally, our results demonstrated the efficacy of machine learning algorithms in extracting neural activation features to predict such ability.
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Affiliation(s)
- Bao Li
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Science Avenue 62, Zhengzhou, 450001, China
| | - Li Tong
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Science Avenue 62, Zhengzhou, 450001, China
| | - Chi Zhang
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Science Avenue 62, Zhengzhou, 450001, China
| | - Panpan Chen
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Science Avenue 62, Zhengzhou, 450001, China
| | - Linyuan Wang
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Science Avenue 62, Zhengzhou, 450001, China
| | - Bin Yan
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Science Avenue 62, Zhengzhou, 450001, China
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Klement L, Jansakun C, Yan B, Staffer S, Tuma-Kellner S, Altamura S, Muckenthaler M, Merle U, Chamulitrat W. Myeloid-specific deletion of group VIA calcium-independent phospholipase A2 induces pro-inflammatory LPS response predominantly in male mice via MIP-1α activation. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167016. [PMID: 38198970 DOI: 10.1016/j.bbadis.2024.167016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 12/15/2023] [Accepted: 12/31/2023] [Indexed: 01/12/2024]
Abstract
Polymorphisms of group VIA calcium-independent phospholipase A2 (PLA2G6) are associated with blood C-reactive protein suggesting its role in inflammation. We showed that myeloid-specific Pla2g6-deficiency in Pla2g6M-/- mice led to exaggerated inflammation and fibrosis in a lean fatty liver model. We here investigated whether these mutants display alteration in immune response after treatment with E. coli lipopolysaccharides (LPS) under acute (a single dose) and persistent (four doses) conditions. Without LPS treatment, male Pla2g6M-/- (but not Flox) mice at 12 months of age exhibited splenomegaly and hepatic necrosis, and ~ 30 % of them exhibited autoimmune hepatitis showing lymphoplasma cells with CD3(+) and CD45R(+) staining. Under acute LPS, male mutants showed an elevation of plasma MIP-1α and immunoglobulinA as well as upregulation of hepatic apoptosis and fibrosis PARP-1, Bax, MCP-1, α-SMA, and collagen I proteins. Their bone-marrow-derived macrophages also showed an elevation of MIP-1α release upon LPS stimulation in vitro. Female mutants under acute LPS showed a moderate increase in plasma KC/CXCL1, MCP-1, and IL10, and they showed no remarkable increase in hepatic fibrosis under acute or persistent LPS. Male mutants under persistent LPS displayed an elevation of aspartate aminotransferase, blood eosinophils, and hepatic apoptosis. Moreover, ~30 % of these mutants exhibited eosinophilic sclerosing portal hepatitis associated with an upregulated protein expression of hepatic CD8α, CD68, eosinophilic cationic protein, and Ly6G. Thus, myeloid-PLA2G6 deficiency led to an autoimmune and LPS-induced inflammatory liver disease via MIP-1α in a male-predominant manner. Our results may be applicable to patients with PLA2G6 mutations who undergo bacterial infection and sepsis.
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Affiliation(s)
- Lukas Klement
- Internal Medicine IV, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Chutima Jansakun
- Internal Medicine IV, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany; School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80161, Thailand
| | - Bin Yan
- Internal Medicine IV, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Simone Staffer
- Internal Medicine IV, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Sabine Tuma-Kellner
- Internal Medicine IV, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Sandro Altamura
- Department of Pediatric Oncology, Hematology and Immunology, University Hospital Heidelberg, Im Neuenheimer Feld 350, 69120 Heidelberg, Germany
| | - Martina Muckenthaler
- Department of Pediatric Oncology, Hematology and Immunology, University Hospital Heidelberg, Im Neuenheimer Feld 350, 69120 Heidelberg, Germany; Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), German Centre for Cardiovascular Research, Partner Site, University of Heidelberg, Germany
| | - Uta Merle
- Internal Medicine IV, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Walee Chamulitrat
- Internal Medicine IV, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany.
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Li Y, Wu L, Wang K, Zhou B, Li Q, Li Z, Yan B, Gong C, Wang Q, Jia J, Shen HM, Deng S, Zhang W, She Y. Nitrogen-Rich Conjugated Microporous Polymers with Improved Cobalt(II) Density for Highly Efficient Electrocatalytic Oxygen Evolution. ACS Appl Mater Interfaces 2024; 16:8903-8912. [PMID: 38324390 DOI: 10.1021/acsami.3c18620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Developing efficient oxygen evolution catalysts (OECs) made from earth-abundant elements is extremely important since the oxygen evolution reaction (OER) with sluggish kinetics hinders the development of many energy-related electrochemical devices. Herein, an efficient strategy is developed to prepare conjugated microporous polymers (CMPs) with abundant and uniform coordination sites by coupling the N-rich organic monomer 2,4,6-tris(5-bromopyrimidin-2-yl)-1,3,5-triazine (TBPT) with Co(II) porphyrin. The resulting CMP-Py(Co) is further metallized with Co2+ ions to obtain CMP-Py(Co)@Co. Structural characterization results reveal that CMP-Py(Co)@Co has higher Co2+ content (12.20 wt %) and affinity toward water compared with CMP-Py(Co). Moreover, CMP-Py(Co)@Co exhibits an excellent OER activity with a low overpotential of 285 mV vs RHE at 10 mA cm-2 and a Tafel slope of 80.1 mV dec-1, which are significantly lower than those of CMP-Py(Co) (335 mV vs RHE and 96.8 mV dec-1). More interestingly, CMP-Py(Co)@Co outperforms most reported porous organic polymer-based OECs and the benchmark RuO2 catalyst (320 mV vs RHE and 87.6 mV dec-1). Additionally, Co2+-free CMP-Py(2H) has negligible OER activity. Thereby, the enhanced OER activity of CMP-Py(Co)@Co is attributed to the incorporation of Co2+ ions leading to rich active sites and enlarged electrochemical surface areas. Density functional theory (DFT) calculations reveal that Co2+-TBPT sites have higher activity than Co2+-porphyrin sites for the OER. These results indicate that the introduction of rich active metal sites in stable and conductive CMPs could provide novel guidance for designing efficient OECs.
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Affiliation(s)
- Yanzhe Li
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Liang Wu
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Keke Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Bolin Zhou
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qiang Li
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Zhengrun Li
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Bin Yan
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Chengtao Gong
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qin Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jianhong Jia
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Hai-Min Shen
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Shengwei Deng
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Wang Zhang
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yuanbin She
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
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Ji R, Liu X, Liu Y, Yan B, Yang J, Lee WYW, Wang L, Tao C, Kuai S, Fan Y. Kinematic difference and asymmetries during level walking in adolescent patients with different types of mild scoliosis. Biomed Eng Online 2024; 23:22. [PMID: 38369455 PMCID: PMC10875845 DOI: 10.1186/s12938-024-01211-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 01/22/2024] [Indexed: 02/20/2024] Open
Abstract
BACKGROUND Adolescent idiopathic scoliosis (AIS), three-dimensional spine deformation, affects body motion. Previous research had indicated pathological gait patterns of AIS. However, the impact of the curve number on the walking mechanism has not been established. Therefore, this study aimed to compare the gait symmetry and kinematics in AIS patients with different curve numbers to healthy control. RESULTS In the spinal region, double curves AIS patients demonstrated a smaller sagittal symmetry angle (SA) and larger sagittal convex ROM of the trunk and lower spine than the control group. In the lower extremities, the single curve patients showed a significantly reduced SA of the knee joint in the frontal plane, while the double curves patients showed a significantly reduced SA of the hip in the transverse plane. CONCLUSION The curve number indeed affects gait symmetry and kinematics in AIS patients. The double curves patients seemed to adopt a more "careful walking" strategy to compensate for the effect of spinal deformation on sensory integration deficits. This compensation mainly occurred in the sagittal plane. Compared to double curves patients, single curve patients unitized a similar walking strategy with healthy subjects.
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Affiliation(s)
- Run Ji
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China
- Institute of Biomechanics, National Research Center for Rehabilitation Technical Aids, Beijing, 100176, China
| | - Xiaona Liu
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, 100084, China
| | - Yang Liu
- Shenzhen Youth Spine Health Center, Shenzhen, 518035, China
| | - Bin Yan
- Department of Spine Surgery, Shenzhen Second People's Hospital, Shenzhen, 518039, China
- Department of Spine Surgery, First Affiliated Hospital of Shenzhen University, Shenzhen, 518035, China
- Shenzhen University School of Medicine, Shenzhen, 518060, China
- Shenzhen Youth Spine Health Center, Shenzhen, 518035, China
| | - Jiemeng Yang
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China
- Institute of Biomechanics, National Research Center for Rehabilitation Technical Aids, Beijing, 100176, China
| | - Wayne Yuk-Wai Lee
- Department of Orthopedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - Ling Wang
- Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, 300384, China
- National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, Tianjin University of Technology, Tianjin, China
| | - Chunjing Tao
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China.
| | - Shengzheng Kuai
- Department of Spine Surgery, Shenzhen Second People's Hospital, Shenzhen, 518039, China.
- Department of Spine Surgery, First Affiliated Hospital of Shenzhen University, Shenzhen, 518035, China.
- Shenzhen University School of Medicine, Shenzhen, 518060, China.
- Shenzhen Youth Spine Health Center, Shenzhen, 518035, China.
| | - Yubo Fan
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China.
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Jiao M, Yang M, Yu X, Yan B. Review of Anaka Dworakowska & Viraktamath, 1975 (Hemiptera, Cicadellidae, Typhlocybinae) with the descriptions of five new species from China. Zookeys 2024; 1191:379-389. [PMID: 38405674 PMCID: PMC10892145 DOI: 10.3897/zookeys.1191.113811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 01/21/2024] [Indexed: 02/27/2024] Open
Abstract
The dikraneurine leafhopper genus Anaka is reviewed based on a comparative morphological study. Five new species, Anakaauriculasp. nov., Anakacruciatasp. nov., Anakacurvatasp. nov., Anakarosaceasp. nov., and Anakaspiralissp. nov. from China are described and illustrated in detail. Additionally, a key to known Anaka species is provided along with a checklist of all species and their distributions.
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Affiliation(s)
- Meng Jiao
- Institute of Entomology, Guizhou University, Guiyang, 550025, ChinaGuizhou UniversityGuiyangChina
- Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, Guizhou University, Guiyang, 550025, ChinaShandong MuseumJinanChina
| | - Maofa Yang
- Institute of Entomology, Guizhou University, Guiyang, 550025, ChinaGuizhou UniversityGuiyangChina
| | - Xiaofei Yu
- Institute of Entomology, Guizhou University, Guiyang, 550025, ChinaGuizhou UniversityGuiyangChina
| | - Bin Yan
- Shandong Museum, Jinan, 250014, ChinaGuizhou UniversityGuizhouChina
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Geng J, Li L, Liu T, Yan B, Peng L. Management and Nursing Approaches to Low Back Pain: Investigating the Causal Association with Lifestyle-Related Risk Factors. Pain Manag Nurs 2024:S1524-9042(24)00001-8. [PMID: 38341339 DOI: 10.1016/j.pmn.2024.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/20/2023] [Accepted: 01/06/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND Notwithstanding a plethora of observational studies, the causal implications of obesity, encompassing both body mass index (BMI) and waist circumference (WC), as well as type 2 diabetes (T2D), and lifestyle factors, in relation to the vulnerability to low back pain (LBP), remain enigmatic. AIMS This study was designed to investigate the related causal associations DESIGN: A two-sample Mendelian randomization (MR) analysis. SETTINGS By utilizing genetic variants associated with pertinent factors gleaned from genome-wide association studies (GWASs), We extracted independent genetic variants about exposures such as BMI, WC, T2D, smoking, alcohol consumption, and coffee intake from published GWASs, ensuring their genome-wide significance. PARTICIPANTS/SUBJECTS The GWASs were selected from the most up-to-date and largest publicly accessible databases. METHODS The summary data concerning LBP emanated from a GWAS of European cases and controls, which was based on the esteemed MRC-IEU (Medical Research Council Integrative Epidemiology Unit) consortium. RESULTS Heightened body mass index and waist circumference exhibited odds ratios of 1.003 (95% confidence interval [CI] = 1.002-1.004, p < 0.001) and 1.003 (95% CI = 1.002-1.004, p < 0.001) for LBP, respectively, per each standard deviation (SD) increase. As for smoking initiation and every SD increase in the frequency of alcohol intake, the odds ratios were 1.002 (95% CI = 1.001-1.003, p = 0.003) and 1.002 (95% CI = 1.000-1.003, p = 0.011), respectively, for LBP. Conversely, an increased log odds ratio for T2D, and prevalence of coffee intake, divulged no discernible causal effects on the risk of LBP. CONCLUSION This study provides suggestive evidence to support the causal involvement of obesity, smoking, and the frequency of alcohol intake in the development of LBP, which suggests that implementing measures to mitigate these risk factors may aid in preventing LBP.
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Affiliation(s)
- Jiaojiao Geng
- School of Rehabilitation Medicine, Jiangsu Vocational College of Medicine, Jiangsu, China.
| | - Le Li
- School of Rehabilitation Medicine, Jiangsu Vocational College of Medicine, Jiangsu, China
| | - Tingting Liu
- School of Rehabilitation Medicine, Jiangsu Vocational College of Medicine, Jiangsu, China
| | - Bin Yan
- School of Rehabilitation Medicine, Jiangsu Vocational College of Medicine, Jiangsu, China
| | - Lili Peng
- Department of Rehabilitation Medicine, Yancheng NO.1 People's Hospital, Jiangsu, China
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22
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Tang H, Zhang K, Zhang C, Zheng K, Gui L, Yan B. Bioinformatics-based identification of key candidate genes and signaling pathways in patients with Parkinson's disease and obstructive sleep apnea. Sleep Breath 2024:10.1007/s11325-024-03003-6. [PMID: 38316731 DOI: 10.1007/s11325-024-03003-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 02/07/2024]
Abstract
OBJECTIVES Existing evidence exhibits that obstructive sleep apnea (OSA) is a potential consequence of Parkinson's disease (PD) or a contributor to PD progression. This investigation aimed to detect potential critical genes and molecular mechanisms underlying interactions between PD and OSA through bioinformatics analyses. METHODS The Gene Expression Omnibus (GEO) database was employed to obtain the expression profiles GSE20163 and GSE135917. The identification of common genes connected to PD and OSA was performed utilizing weighted gene co-expression network analysis and the R 4.0.4 program. The Cytoscape program was utilized to generate a network of protein-protein interactions (PPI), and the CytoHubba plugin was utilized to detect hub genes. Subsequently, functional enrichment analyses of the hub genes were conducted. Markers with increased diagnostic values for PD and OSA were confirmed using the GEO datasets GSE8397 and GSE38792. RESULTS Typically, 57 genes that are common were identified in PD and OSA. Among these common genes, the top 10 hub genes in the PPI network were chosen. The verified datasets confirmed the presence of three important genes: CADPS, CHGA, and SCG3. Functional enrichment analysis revealed that these hub genes mostly participate in GABAergic synapses. CONCLUSION Our findings suggest that CADPS, CHGA, and SCG3 are key genes involved in molecular mechanisms underlying interactions between OSA and PD. Functional enrichment of hub genes indicated a link between GABAergic synapses and the shared pathogenesis of PD and OSA. These candidate genes and corresponding pathways offer novel insights regarding biological targets that underlie the transcriptional connection between OSA and PD.
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Affiliation(s)
- Huan Tang
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Kejia Zhang
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Chi Zhang
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Kai Zheng
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Luying Gui
- Department of Mathematics, Nanjing University of Science and Technology, Nanjing, China
| | - Bin Yan
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China.
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, China.
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China.
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Yan B, Gao Y, Zhang Z, Shi T, Chen Q. Nocturnal oxygen saturation is associated with all-cause mortality: a community-based study. J Clin Sleep Med 2024; 20:229-235. [PMID: 37772691 PMCID: PMC10835782 DOI: 10.5664/jcsm.10838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 09/30/2023]
Abstract
STUDY OBJECTIVES Observational studies have demonstrated the association between the single-point measurement of oxygen saturation (SpO2) level and mortality in the general population. This study aimed to evaluate whether nocturnal SpO2 level could predict all-cause mortality in a community-based population. METHODS The study samples were obtained from the Sleep Heart Health Study, which included 2,280 men and 2,606 women (mean age, 63.8 ± 11.1 years). A pulse oximeter based on overnight in-home polysomnography was used to monitor SpO2 levels during total sleep time (SpO2-TOTAL). Multivariable Cox proportional hazards analysis was performed to examine the association between nocturnal SpO2 and all-cause mortality. RESULTS During the follow-up period of 10.7 ± 3.0 years, 1,110 (22.7%) people died. After adjusting for confounding factors, multivariable Cox regression analysis showed that the average SpO2-TOTAL (hazard ratio [HR] 0.93; 95% confidence interval [CI] 0.90-0.96, P < .001) was associated with all-cause mortality. These findings remained stable in individuals with low and high apnea-hypopnea index levels. Additionally, maximum SpO2-TOTAL (HR, 0.91; 95% CI, 0.87-0.96; P = .001) and minimum SpO2-TOTAL (HR, 0.98; 95% CI, 0.97-0.99; P = .001) could predict all-cause mortality. A significant association between nocturnal hypoxemia and all-cause mortality was also observed. CONCLUSIONS Our findings highlight the importance of monitoring nocturnal SpO2 level and improving hypoxemia in the general populations. CITATION Yan B, Gao Y, Zhang Z, Shi T, Chen Q. Nocturnal oxygen saturation is associated with all-cause mortality: a community-based study. J Clin Sleep Med. 2024;20(2):229-235.
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Affiliation(s)
- Bin Yan
- Department of Clinical Research Center, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yang Gao
- Department of Cardiovascular Surgery, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Zhanqin Zhang
- Department of Anesthesiology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Tao Shi
- Department of Cardiovascular Surgery, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Qiang Chen
- Department of Cardiovascular Surgery, the First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
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Li D, Yan B, Gao T, Li G, Wang Y. PINN Model of Diffusion Coefficient Identification Problem in Fick's Laws. ACS Omega 2024; 9:3846-3857. [PMID: 38284026 PMCID: PMC10809368 DOI: 10.1021/acsomega.3c07924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/21/2023] [Accepted: 12/26/2023] [Indexed: 01/30/2024]
Abstract
This study tackles the complex task of determining diffusion coefficients in inverse problems, addressing the challenges of instability and computational demands. The primary objective is to introduce an efficient model for estimating diffusion coefficients under specific conditions. Through a unique fusion of Fick's laws and a Neural Network framework, a physics-informed neural network (PINN) is developed for the diffusion coefficient identification problem. The model accommodates scenarios where both diffusion flux and concentration gradient are known, where diffusion flux is known while the concentration gradient is unknown, and where diffusion flux is unknown while the concentration gradient is known. Results demonstrate the model's efficiency, obtaining diffusion coefficients in less than 1000, 2000, and 3000 iterations for the respective scenarios. Sensitivity analysis underscores the model's validity across conditions, highlighting the positive impact of a higher proportion of effective data on convergence and alignment with general diffusion coefficient patterns. In conclusion, the PINN model stands out as a powerful tool for accurately estimating diffusion coefficients under varying conditions.
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Affiliation(s)
- Dongchen Li
- School of Civil Engineering, Central South University, Changsha 410075, People’s Republic of China
| | - Bin Yan
- School of Civil Engineering, Central South University, Changsha 410075, People’s Republic of China
| | - Tianya Gao
- School of Civil Engineering, Central South University, Changsha 410075, People’s Republic of China
| | - Guowei Li
- School of Civil Engineering, Central South University, Changsha 410075, People’s Republic of China
| | - You Wang
- School of Civil Engineering, Central South University, Changsha 410075, People’s Republic of China
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25
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Yang W, Chen J, Zhao Z, Wu M, Gong L, Sun Y, Huang C, Yan B, Zeng H. Recent advances in fabricating injectable hydrogels via tunable molecular interactions for bio-applications. J Mater Chem B 2024; 12:332-349. [PMID: 37987037 DOI: 10.1039/d3tb02105j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Hydrogels with three-dimensional structures have been widely applied in various applications because of their tunable structures, which can be easily tailored with desired functionalities. However, the application of hydrogel materials in bioengineering is still constrained by their limited dosage flexibility and the requirement of invasive surgical procedures. Compared to traditional hydrogels, injectable hydrogels, with shear-thinning and/or in situ formation properties, simplify the implantation process and reduce tissue invasion, which can be directly delivered to target sites using a syringe injection, offering distinct advantages over traditional hydrogels. These injectable hydrogels incorporate physically non-covalent and/or dynamic covalent bonds, granting them self-healing abilities to recover their structural integrity after injection. This review summarizes our recent progress in preparing injectable hydrogels and discusses their performance in various bioengineering applications. Moreover, the underlying molecular interaction mechanisms that govern the injectable and functional properties of hydrogels were characterized by using nanomechanical techniques such as surface forces apparatus (SFA) and atomic force microscopy (AFM). The remaining challenges and future perspectives on the design and application of injectable hydrogels are also discussed. This work provides useful insights and guides future research directions in the field of injectable hydrogels for bioengineering.
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Affiliation(s)
- Wenshuai Yang
- Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, Henan, China
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Jingsi Chen
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Ziqian Zhao
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Meng Wu
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Lu Gong
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Yimei Sun
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Charley Huang
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Bin Yan
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Hongbo Zeng
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
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26
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Liu SJ, Guo BD, Gao QH, Deng YJ, Yan B, Zeng Y, Zhao M, Ren K, Wang F, Guo J. Ursolic acid alleviates chronic prostatitis via regulating NLRP3 inflammasome-mediated Caspase-1/GSDMD pyroptosis pathway. Phytother Res 2024; 38:82-97. [PMID: 37807970 DOI: 10.1002/ptr.8034] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 09/15/2023] [Accepted: 09/26/2023] [Indexed: 10/10/2023]
Abstract
Ursolic acid (UA) is a naturally occurring pentacyclic triterpenoid widely found in fruits and vegetables. It has been reported that UA has anti-inflammatory effects. However, its efficacy and mechanism of action in the treatment of chronic prostatitis (CP) remain unclear. This study aimed to investigate the efficacy of UA treatment in CP and further explore the underlying mechanism. CP rat and pyroptosis cell models were established in vivo and in vitro, respectively. The efficacy of UA in inhibiting CP was evaluated via haematoxylin-eosin (HE) staining and measurement of inflammatory cytokines. RNA sequencing and molecular docking were used to predict the therapeutic targets of UA in CP. The expression of pyroptosis-related proteins was examined using various techniques, including immunohistochemistry, immunofluorescence, and flow cytometry. UA significantly ameliorated pathological damage and reduced the levels of proinflammatory cytokines in the CP model rats. RNA sequencing analysis and molecular docking suggested that NLRP3, Caspase-1, and GSDMD may be key targets. We also found that UA decreased ROS levels, alleviated oxidative stress, and inhibited p-NF-κB protein expression both in vivo and in vitro. UA improved pyroptosis morphology as indicated by electron microscope and inhibited the expression of the pyroptosis-related proteins NLRP3, Caspase-1, ASC, and GSDMD, reversed the levels of IL-1β, IL-18, and lactate dehydrogenase in vivo and in vitro. UA can mitigate CP by regulating the NLRP3 inflammasome-mediated Caspase-1/GSDMD pathway. Therefore, UA may be a potential for the treatment of CP.
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Affiliation(s)
- Sheng-Jing Liu
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Bo-da Guo
- Department of Urology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qing-He Gao
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying-Jun Deng
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Bin Yan
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Yin Zeng
- Department of Andrology, Beijing Chinese Medicine Hospital affiliated to Capital Medical University, Beijing, China
| | - Ming Zhao
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Kai Ren
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Fu Wang
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Jun Guo
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
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Ren J, Zhang W, Wang Y, Liang N, Wang L, Cai A, Wang S, Zheng Z, Li L, Yan B. A dual-energy CT reconstruction method based on anchor network from dual quarter scans. J Xray Sci Technol 2024; 32:229-252. [PMID: 38306088 DOI: 10.3233/xst-230245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Compared with conventional single-energy computed tomography (CT), dual-energy CT (DECT) provides better material differentiation but most DECT imaging systems require dual full-angle projection data at different X-ray spectra. Relaxing the requirement of data acquisition is an attractive research to promote the applications of DECT in wide range areas and reduce the radiation dose as low as reasonably achievable. In this work, we design a novel DECT imaging scheme with dual quarter scans and propose an efficient method to reconstruct the desired DECT images from the dual limited-angle projection data. We first study the characteristics of limited-angle artifacts under dual quarter scans scheme, and find that the negative and positive artifacts of DECT images are complementarily distributed in image domain because the corresponding X-rays of high- and low-energy scans are symmetric. Inspired by this finding, a fusion CT image is generated by integrating the limited-angle DECT images of dual quarter scans. This strategy enhances the true image information and suppresses the limited-angle artifacts, thereby restoring the image edges and inner structures. Utilizing the capability of neural network in the modeling of nonlinear problem, a novel Anchor network with single-entry double-out architecture is designed in this work to yield the desired DECT images from the generated fusion CT image. Experimental results on the simulated and real data verify the effectiveness of the proposed method. This work enables DECT on imaging configurations with half-scan and largely reduces scanning angles and radiation doses.
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Affiliation(s)
- Junru Ren
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - Wenkun Zhang
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - YiZhong Wang
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - Ningning Liang
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - Linyuan Wang
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - Ailong Cai
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - Shaoyu Wang
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - Zhizhong Zheng
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - Lei Li
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
| | - Bin Yan
- Key Laboratory of Imaging and Intelligent Processing of Henan Province, PLA Strategic Support Force Information Engineering University, Zhengzhou, P.R. China
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28
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Huang L, Zhang C, Ye R, Yan B, Zhou X, Xu W, Guo J. Capacitive biosensors for label-free and ultrasensitive detection of biomarkers. Talanta 2024; 266:124951. [PMID: 37487266 DOI: 10.1016/j.talanta.2023.124951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/10/2023] [Accepted: 07/14/2023] [Indexed: 07/26/2023]
Abstract
Capacitive biosensors are label-free capacitors that can detect biomarkers with the outstanding advantages of simplicity, low cost, and ultrahigh sensitivity. A typical capacitive biosensor consists of a bioreceptor and a transducer, where the bioreceptor captures the biomarker to form a bioreceptor/biomarker conjugate and the transducer generates a detectable signal. In general, antibodies, aptamers, or proteins are exploited as the bioreceptor, while various electrodes including carbon electrodes (CEs), gold electrodes (AuEs), or interdigitated electrodes (IDEs) may serve as the transducer. Because the formation of bioreceptor/biomarker conjugates often leads to a change in capacitance, the capacitive signal is then employed for biomarker detection. This review summarizes recent advances in capacitive biosensors for the detection of biomarkers over the last five years. With a focus on the three common types of bioreceptors, i.e., antibodies, aptamers, and proteins, capacitive biosensors using CEs, AuEs, and IDEs as the transducers are discussed in detail. The immobilization of bioreceptors and signal amplification strategies are described to provide a robust overview of capacitive biosensors for biomarker detection. In addition, analytical methods and future prospects are given to support the application of capacitive biosensors.
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Affiliation(s)
- Lei Huang
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China; School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, China
| | - Cheng Zhang
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China
| | - Run Ye
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China
| | - Bin Yan
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China.
| | - Xiaojia Zhou
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China.
| | - Wenbo Xu
- School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, China
| | - Jinhong Guo
- School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, China.
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29
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Yan B, Li F, Ma Q, Shen T, Jiang J, Li H. The miR156-SPL4/SPL9 module regulates leaf and lateral branch development in Betula platyphylla. Plant Sci 2024; 338:111869. [PMID: 37827250 DOI: 10.1016/j.plantsci.2023.111869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 09/06/2023] [Accepted: 09/13/2023] [Indexed: 10/14/2023]
Abstract
The miR156 gene is known to play an important role in regulating growth and development in plants. This gene is involved in the transition from juvenile to adult stages, leaf morphology, and root development, among other processes. While the function of miR156 is similar in many plants, there are also differences in the function of this gene between herbaceous and native species. We obtained BpmiR156 overexpression transgenic lines in Betula platyphylla, and the transgenic lines exhibited traits such as delayed development, dwarfism, increased leaf epidermal hairs, larger leaf basal angle and altered stem curvature, which were highly consistent with the overexpression miR156 in Arabidopsis, rice and tomato. However, we also observed a lack of apical dominance, increased number of lateral branches and increased diameter of lateral branches in transgenic B. platyphylla, which is different from the effects reported in other plants. Transgenic plants showed changes in the distribution of IAA, GA3, and Zeatin in lateral branches and main stem, and the ratio of the content of the three hormones was significantly higher than in the non-transgenic plants served as control. Additionally, overexpression of BpmiR156 caused down-regulation of BpSPL4 and BpSPL9 expression, as well as differential expression of genes involved in auxin and cytokinin synthesis such as BpARR3, BpARR11 and BpmiR172.
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Affiliation(s)
- Bin Yan
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150036, China
| | - Fangrui Li
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150036, China
| | - Qing Ma
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150036, China
| | - Tingting Shen
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150036, China
| | - Jing Jiang
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150036, China
| | - Huiyu Li
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150036, China.
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30
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Li Z, Zhang R, Zeng Y, Tong L, Lu R, Yan B. MST-net: A multi-scale swin transformer network for EEG-based cognitive load assessment. Brain Res Bull 2024; 206:110834. [PMID: 38049039 DOI: 10.1016/j.brainresbull.2023.110834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/22/2023] [Accepted: 11/29/2023] [Indexed: 12/06/2023]
Abstract
Cognitive load assessment plays a crucial role in monitoring safe production, resource allocation, and subjective initiative in human-computer interaction. Due to its high time resolution and convenient acquisition, Electroencephalography (EEG) is widely applied in brain monitoring and cognitive state assessment. In this study, a multi-scale Swin Transformer network (MST-Net) was proposed for cognitive load assessment, which extracts local features with different sensory fields using a multi-scale parallel convolution model and introduces the attention mechanism of the Swin Transformer to obtain the feature correlations among multi-scale local features. The performance of the proposed network was validated using the EEG signals collected during cognitive tasks and N-back tasks with three different load levels. Results show that the MST-Net network achieved the best classification accuracy on both local and public datasets, and was higher than the mainstream Swin Transformer and CNN. Furthermore, results of ablation experiments and feature visualization revealed that the proposed MST-Net could well characterize different cognitive loads, which not only provided novel and powerful tools for cognitive load assessment but also showed potential for broad application in brain-computer interface (BCI) systems.
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Affiliation(s)
- Zhongrui Li
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Zhengzhou, China
| | - Rongkai Zhang
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Zhengzhou, China
| | - Ying Zeng
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Zhengzhou, China
| | - Li Tong
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Zhengzhou, China
| | - Runnan Lu
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Zhengzhou, China
| | - Bin Yan
- Henan Key Laboratory of Imaging and Intelligent Processing, PLA Strategic Support Force Information Engineering University, Zhengzhou, China.
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31
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Shen X, Wang G, He H, Shang P, Yan B, Wang X, Shen W. SLC38A5 promotes glutamine metabolism and inhibits cisplatin chemosensitivity in breast cancer. Breast Cancer 2024; 31:96-104. [PMID: 37914960 DOI: 10.1007/s12282-023-01516-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/15/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND Solute carrier family 38 member 5 (SLC38A5), as an amino acid transporter, play a vital role in cellular biological processes. In this study, we analyzed the function of SLC38A5 and its potential mechanism in breast cancer (BC) progression. METHODS The expression of SLC38A5 in cancer and adjacent-normal tissues was analyzed by qRT-PCR and Western blot, and its correlation with patient prognosis was analyzed. The immunohistochemical staining of cancer tissues and adjacent-normal tissues was performed on SLC38A5-positive specimens. BC mice were successfully applied to examine the role of SLC38A5 on tumor proliferation using the CCK-8 assay. In BC cells and mouse tumor tissues, SLC38A5 and PCNA expression were determined by Western blotting. RESULTS The study found that SLC38A5 was highly expressed in BC patients and associated with a poor survival. SLC38A5 silencing inhibited BC cell viability and glutamine uptake. In addition, SLC38A5 overexpression promoted BC cell viability via the glutamine metabolism. SLC38A5 inhibited cisplatin chemosensitivity in BC cells. Importantly, SLC38A5 silencing inhibited tumor growth in vivo. CONCLUSION Our findings suggest that SLC38A5 enhances BC cell viability by glutamine metabolism, inhibits the chemical sensitivity of cisplatin in BC cells, and promotes tumor growth, emphasizing the clinical relevance of SLC38A5 in BC management as a novel potential therapeutic target.
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Affiliation(s)
- Xiaowei Shen
- Department of General Surgery, QingPu Branch of Zhongshan Hospital Affiliated to Fudan University, QingPu District Central Hospital Shanghai, No. 1158, Gong Yuan Dong Road, Shanghai, 201700, China.
| | - Ganggang Wang
- Department of Hepatobiliary Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China
| | - Hua He
- Department of General Surgery, QingPu Branch of Zhongshan Hospital Affiliated to Fudan University, QingPu District Central Hospital Shanghai, No. 1158, Gong Yuan Dong Road, Shanghai, 201700, China
| | - Ping Shang
- Department of General Surgery, QingPu Branch of Zhongshan Hospital Affiliated to Fudan University, QingPu District Central Hospital Shanghai, No. 1158, Gong Yuan Dong Road, Shanghai, 201700, China
| | - Bin Yan
- Department of General Surgery, QingPu Branch of Zhongshan Hospital Affiliated to Fudan University, QingPu District Central Hospital Shanghai, No. 1158, Gong Yuan Dong Road, Shanghai, 201700, China
| | - Xiaoliang Wang
- Department of General Surgery, QingPu Branch of Zhongshan Hospital Affiliated to Fudan University, QingPu District Central Hospital Shanghai, No. 1158, Gong Yuan Dong Road, Shanghai, 201700, China
- Department of Hepatobiliary Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China
| | - Weixing Shen
- Department of General Surgery, QingPu Branch of Zhongshan Hospital Affiliated to Fudan University, QingPu District Central Hospital Shanghai, No. 1158, Gong Yuan Dong Road, Shanghai, 201700, China
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32
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Yang K, Hu Y, Zeng Y, Tong L, Gao Y, Pei C, Li Z, Yan B. EEG Network Analysis of Depressive Emotion Interference Spatial Cognition Based on a Simulated Robotic Arm Docking Task. Brain Sci 2023; 14:44. [PMID: 38248259 PMCID: PMC10813131 DOI: 10.3390/brainsci14010044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 12/24/2023] [Accepted: 12/29/2023] [Indexed: 01/23/2024] Open
Abstract
Depressive emotion (DE) refers to clinically relevant depressive symptoms without meeting the diagnostic criteria for depression. Studies have demonstrated that DE can cause spatial cognition impairment. However, the brain network mechanisms underlying DE interference spatial cognition remain unclear. This study aimed to reveal the differences in brain network connections between DE and healthy control (HC) groups during resting state and a spatial cognition task. The longer operation time of the DE group during spatial cognition task indicated DE interference spatial cognition. In the resting state stage, the DE group had weaker network connections in theta and alpha bands than the HC group had. Specifically, the electrodes in parietal regions were hubs of the differential networks, which are related to spatial attention. Moreover, in docking task stages, the left frontoparietal network connections in delta, beta, and gamma bands were stronger in the DE group than those of the HC group. The enhanced left frontoparietal connections in the DE group may be related to brain resource reorganization to compensate for spatial cognition decline and ensure the completion of spatial cognition tasks. Thus, these findings might provide new insights into the neural mechanisms of depressive emotion interference spatial cognition.
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Affiliation(s)
- Kai Yang
- Henan Province Key Laboratory of Imaging and Intelligent Processing, PLA Strategy Support Force Information Engineering University, Zhengzhou 450001, China; (K.Y.)
| | - Yidong Hu
- Henan Province Key Laboratory of Imaging and Intelligent Processing, PLA Strategy Support Force Information Engineering University, Zhengzhou 450001, China; (K.Y.)
| | - Ying Zeng
- Henan Province Key Laboratory of Imaging and Intelligent Processing, PLA Strategy Support Force Information Engineering University, Zhengzhou 450001, China; (K.Y.)
- Key Laboratory for Neuroinformation of Ministry of Education, University of Electronic Science and Technology of China, Chengdu 611730, China
| | - Li Tong
- Henan Province Key Laboratory of Imaging and Intelligent Processing, PLA Strategy Support Force Information Engineering University, Zhengzhou 450001, China; (K.Y.)
| | - Yuanlong Gao
- Henan Province Key Laboratory of Imaging and Intelligent Processing, PLA Strategy Support Force Information Engineering University, Zhengzhou 450001, China; (K.Y.)
| | - Changfu Pei
- Henan Province Key Laboratory of Imaging and Intelligent Processing, PLA Strategy Support Force Information Engineering University, Zhengzhou 450001, China; (K.Y.)
| | - Zhongrui Li
- Henan Province Key Laboratory of Imaging and Intelligent Processing, PLA Strategy Support Force Information Engineering University, Zhengzhou 450001, China; (K.Y.)
| | - Bin Yan
- Henan Province Key Laboratory of Imaging and Intelligent Processing, PLA Strategy Support Force Information Engineering University, Zhengzhou 450001, China; (K.Y.)
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Liu L, An X, Schaefer M, Yan B, de la Torre C, Hillmer S, Gladkich J, Herr I. Corrigendum to: "Nanosilver inhibits the progression of pancreatic cancer by inducing a paraptosis-like mixed type of cell death" [Biomed. Pharmacother. 153 (2022) 113511]. Biomed Pharmacother 2023; 169:115879. [PMID: 37973469 DOI: 10.1016/j.biopha.2023.115879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023] Open
Affiliation(s)
- Li Liu
- Section Surgical Research, Molecular OncoSurgery, Department of General, Visceral and Transplantation Surgery, Ruprecht Karls University of Heidelberg, Medical Faculty Heidelberg, Germany
| | - XueFeng An
- Section Surgical Research, Molecular OncoSurgery, Department of General, Visceral and Transplantation Surgery, Ruprecht Karls University of Heidelberg, Medical Faculty Heidelberg, Germany
| | - Michael Schaefer
- Section Surgical Research, Molecular OncoSurgery, Department of General, Visceral and Transplantation Surgery, Ruprecht Karls University of Heidelberg, Medical Faculty Heidelberg, Germany
| | - Bin Yan
- Section Surgical Research, Molecular OncoSurgery, Department of General, Visceral and Transplantation Surgery, Ruprecht Karls University of Heidelberg, Medical Faculty Heidelberg, Germany
| | - Carolina de la Torre
- Microarray Analytics - NPGS Core Facility, Medical Faculty Mannheim, Ruprecht Karls University of Heidelberg, Heidelberg, Germany
| | - Stefan Hillmer
- Electron Microscopy Core Facility, University of Heidelberg, Heidelberg, Germany
| | - Jury Gladkich
- Section Surgical Research, Molecular OncoSurgery, Department of General, Visceral and Transplantation Surgery, Ruprecht Karls University of Heidelberg, Medical Faculty Heidelberg, Germany
| | - Ingrid Herr
- Section Surgical Research, Molecular OncoSurgery, Department of General, Visceral and Transplantation Surgery, Ruprecht Karls University of Heidelberg, Medical Faculty Heidelberg, Germany.
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Zhou J, Wu X, Xiang T, Liu F, Gao H, Tong L, Yan B, Li Z, Zhang C, Wang L, Ou L, Li Z, Wang W, Yang T, Li F, Ma H, Zhao X, Mi N, Yu Z, Lan C, Wang Q, Li H, Wang L, Wang X, Li Y, Zeng Q. Dynamical alterations of brain function and gut microbiome in weight loss. Front Cell Infect Microbiol 2023; 13:1269548. [PMID: 38173792 PMCID: PMC10761423 DOI: 10.3389/fcimb.2023.1269548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 10/13/2023] [Indexed: 01/05/2024] Open
Abstract
Objective Intermittent energy restriction (IER) is an effective weight loss strategy. However, little is known about the dynamic effects of IER on the brain-gut-microbiome axis. Methods In this study, a total of 25 obese individuals successfully lost weight after a 2-month IER intervention. FMRI was used to determine the activity of brain regions. Metagenomic sequencing was performed to identify differentially abundant gut microbes and pathways in from fecal samples. Results Our results showed that IER longitudinally reduced the activity of obese-related brain regions at different timepoints, including the inferior frontal orbital gyrus in the cognitive control circuit, the putamen in the emotion and learning circuit, and the anterior cingulate cortex in the sensory circuit. IER longitudinally reduced E. coli abundance across multiple timepoints while elevating the abundance of obesity-related Faecalibacterium prausnitzii, Parabacteroides distasonis, and Bacterokles uniformis. Correlation analysis revealed longitudinally correlations between gut bacteria abundance alterations and brain activity changes. Conclusions There was dynamical alteration of BGM axis (the communication of E. coli with specific brain regions) during the weight loss under the IER.
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Affiliation(s)
- Jing Zhou
- Henan Provincial Research Center of Clinical Medicine of Nephropathy, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, China
| | - Xiaoling Wu
- Department of Nuclear Medicine, Henan Key Laboratory of Chronic Disease Health Management, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Zhengzhou, Henan, China
| | - Tianyuan Xiang
- Health Management Institute, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China
| | - Fei Liu
- Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Hui Gao
- Henan Key Laboratory of Imaging and Intelligent Processing, People’s Liberation Army (PLA) Strategic Support Force Information Engineering University, Zhengzhou, Henan, China
| | - Li Tong
- Henan Key Laboratory of Imaging and Intelligent Processing, People’s Liberation Army (PLA) Strategic Support Force Information Engineering University, Zhengzhou, Henan, China
| | - Bin Yan
- Henan Key Laboratory of Imaging and Intelligent Processing, People’s Liberation Army (PLA) Strategic Support Force Information Engineering University, Zhengzhou, Henan, China
| | - Zhonglin Li
- Department of Radiology, Henan Provincial People’s Hospital, Zhengzhou, Henan, China
| | - Chi Zhang
- Henan Key Laboratory of Imaging and Intelligent Processing, People’s Liberation Army (PLA) Strategic Support Force Information Engineering University, Zhengzhou, Henan, China
| | - Linyuan Wang
- Henan Key Laboratory of Imaging and Intelligent Processing, People’s Liberation Army (PLA) Strategic Support Force Information Engineering University, Zhengzhou, Henan, China
| | - Lei Ou
- Health Management Institute, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China
| | - Zhongxia Li
- BYHEALTH Institute of Nutrition & Health, BYHEALTH Co. Ltd, Guangzhou, Guangdong, China
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Wen Wang
- Department of Nutrition, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan, Zhengzhou, China
| | - Tingting Yang
- Department of Nutrition, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan, Zhengzhou, China
| | - Fengyun Li
- Department of Health Management, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, Henan, China
| | - Huimin Ma
- Department of Health Management, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, Henan, China
| | - Xiaojuan Zhao
- Department of Health Management, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, Henan, China
| | - Na Mi
- Department of Health Management, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, Henan, China
| | - Ziya Yu
- Henan Key Laboratory of Imaging and Intelligent Processing, People’s Liberation Army (PLA) Strategic Support Force Information Engineering University, Zhengzhou, Henan, China
| | - Canhui Lan
- Beijing Rexinchang Biotechnology Research Institute Co. Ltd, Beijing, China
| | - Qi Wang
- Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Hao Li
- Department of Health Management, Fuwai Central China Cardiovascular Hospital, Zhengzhou, China
| | - Liming Wang
- Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Xiaoning Wang
- The Institute of Geriatrics, The State Clinic Center for Geriatrics & The State Key Laboratory of Kidney, The People’s Liberation Army (PLA) General Hospital, Beijing, China
| | - Yongli Li
- Department of Health Management, Henan Key Laboratory of Chronic Disease Management, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Henan University People’s Hospital, Zhengzhou, Henan, China
| | - Qiang Zeng
- Health Management Institute, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army (PLA) General Hospital, Beijing, China
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Wen XK, Yan B, Yu Z, Yuan CP. Single Transverse Spin Asymmetry as a New Probe of Standard-Model-Effective-Field-Theory Dipole Operators. Phys Rev Lett 2023; 131:241801. [PMID: 38181151 DOI: 10.1103/physrevlett.131.241801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/02/2023] [Accepted: 11/14/2023] [Indexed: 01/07/2024]
Abstract
Electroweak dipole operators in the standard-model-effective-field theory (SMEFT) are important indirect probes of quantum effects of new physics beyond the standard model (SM), yet they remain poorly constrained by current experimental analyses for lack of interference with the SM amplitudes in constructing cross section observables. In this Letter, we point out that dipole operators flip fermion helicities and so are ideally studied through single transverse spin asymmetries. We illustrate this at a future electron-positron collider with transversely polarized beams, where such an effect exhibits as azimuthal cosϕ and sinϕ distributions which originate from the interference of the electron dipole operators with the SM and are linearly dependent on their Wilson coefficients. This new method can improve the current constraints on the electron dipole couplings by 1-2 orders of magnitude, without depending on other new physics operators, and can also simultaneously constrain both their real and imaginary parts, offering a new opportunity for probing potential CP-violating effects.
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Affiliation(s)
- Xin-Kai Wen
- School of Physics, Peking University, Beijing 100871, China
| | - Bin Yan
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Zhite Yu
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - C-P Yuan
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
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36
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Ji R, Lee WYW, Guan X, Yan B, Yang L, Yang J, Wang L, Tao C, Kuai S, Fan Y. Comparison of plugin and redundant marker sets to analyze gait kinematics between different populations. Biomed Eng Online 2023; 22:122. [PMID: 38087307 PMCID: PMC10717987 DOI: 10.1186/s12938-023-01177-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Gait model consists of a marker set and a segment pose estimation algorithm. Plugin marker set and inverse kinematic algorithm (IK.) are prevalent in gait analysis, especially musculoskeletal motion analysis. Adding extra markers for the plugin marker set could increase the robustness to marker misplacement, motion artifacts, and even markers occlusion. However, how the different marker sets affect the gait analysis's kinematic output is unclear. Therefore, this study aims to investigate the effect of marker sets on the kinematic output during level walking in different populations. RESULTS In all three planes, there are significant differences (P < 0.05) between marker sets in some kinematic variables at the hip, knee, and ankle. In different populations, the kinematic variables that show significant differences varied. When comparing the kinematic differences between populations using the two marker sets separately, the range of motion (ROM) of hip flexion was only found to be a significant difference using the redundant marker set, while the peak internal rotation at the knee was only found a significant difference using plugin marker set. In addition, the redundant marker set shows less intra-subject variation than the plugin marker set. CONCLUSION The findings in this study demonstrate the importance of marker set selection since it could change the result when comparing the kinematic differences between populations. Therefore, it is essential to increase the caution in explaining the result when using different marker sets. It is crucial to use the same marker set, and the redundant marker set might be a better choice for gait analysis.
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Affiliation(s)
- Run Ji
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China
- Key Laboratory of Human Motion Analysis and Rehabilitation Technology of the Ministry of Civil Affairs, National Research Center for Rehabilitation Technical Aids, Beijing, 100176, China
| | - Wayne Yuk-Wai Lee
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xinyu Guan
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Bin Yan
- Department of Spine Surgery, Shenzhen Second People's Hospital, Shenzhen, 518039, China
- Department of Spine Surgery, First Affiliated Hospital of Shenzhen University, Shenzhen, 518035, China
- Shenzhen University School of Medicine, Shenzhen, 518060, China
- Shenzhen Youth Spine Health Center, Shenzhen, China
| | - Lei Yang
- Department of Spine Surgery, Shenzhen Second People's Hospital, Shenzhen, 518039, China
- Department of Spine Surgery, First Affiliated Hospital of Shenzhen University, Shenzhen, 518035, China
- Shenzhen University School of Medicine, Shenzhen, 518060, China
- Shenzhen Youth Spine Health Center, Shenzhen, China
| | - Jiemeng Yang
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China
- Key Laboratory of Human Motion Analysis and Rehabilitation Technology of the Ministry of Civil Affairs, National Research Center for Rehabilitation Technical Aids, Beijing, 100176, China
| | - Ling Wang
- Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, 300384, China
- National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, Tianjin University of Technology, Tianjin, China
| | - Chunjing Tao
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China.
| | - Shengzheng Kuai
- Department of Spine Surgery, Shenzhen Second People's Hospital, Shenzhen, 518039, China.
- Department of Spine Surgery, First Affiliated Hospital of Shenzhen University, Shenzhen, 518035, China.
- Shenzhen University School of Medicine, Shenzhen, 518060, China.
- Shenzhen Youth Spine Health Center, Shenzhen, China.
| | - Yubo Fan
- School of Biological Science and Medical Engineering, School of Engineering Medicine, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China.
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Sun Y, Zhang X, Wu S, Jiang N, Zhuang X, Yan B, Zhang F, Dolabdjian C, Fang G. Resonant Magnetoelectric Coupling of Fe-Si-B/Pb(Zr,Ti)O 3 Laminated Composites with Surface Crystalline Layers. Sensors (Basel) 2023; 23:9622. [PMID: 38139468 PMCID: PMC10747281 DOI: 10.3390/s23249622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/28/2023] [Accepted: 12/02/2023] [Indexed: 12/24/2023]
Abstract
The resonant magnetoelectric (ME) effect of Fe78Si9B13/Pb(Zr,Ti)O3 (FeSiB/PZT) composites with a surface-modified Fe78Si9B13 amorphous alloy has been studied. The surface-modified FeSiB can improve the ME coefficient at the resonant frequency by optimizing the magnetomechancial power conversion efficiency. The maximum ME coefficient of the surface-modified ribbons combined with soft PZT (PZT5) is two-thirds larger than that of the composites with fully amorphous ribbons. Meanwhile, the maximum value of the ME coefficient with surface-modified FeSiB ribbons and hard PZT (PZT8) is one-third higher compared with the fully amorphous composites. In addition, experimental results of magnetomechanical coupling properties of FeSiB/PZT composites with or without piezoelectric layers indicate that the power efficiency of the composites first decreases and then increases with the increase in the number of FeSiB layers. When the surface crystalline FeSiB ribbons are combined with a commercially available hard piezoelectric ceramic plate, the maximum magnetoelectric coupling coefficient of the ME composite reaches 5522 V/(Oe*cm), of which the electromechanical resonant frequency is 23.89 kHz.
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Affiliation(s)
- Yu Sun
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China; (Y.S.); (X.Z.); (B.Y.); (F.Z.); (G.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xu Zhang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China; (Y.S.); (X.Z.); (B.Y.); (F.Z.); (G.F.)
- School of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China
| | - Sheng Wu
- Yantai Research Institute of Harbin Engineering University, Harbin Engineering University, Harbin 264006, China; (S.W.); (N.J.)
| | - Nian Jiang
- Yantai Research Institute of Harbin Engineering University, Harbin Engineering University, Harbin 264006, China; (S.W.); (N.J.)
| | - Xin Zhuang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China; (Y.S.); (X.Z.); (B.Y.); (F.Z.); (G.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bin Yan
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China; (Y.S.); (X.Z.); (B.Y.); (F.Z.); (G.F.)
| | - Feng Zhang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China; (Y.S.); (X.Z.); (B.Y.); (F.Z.); (G.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Christophe Dolabdjian
- Normandie Univ., UNICAEN, ENSICAEN, CNRS, GREYC, Bd Maréchal Juin, 14000 Caen, France;
| | - Guangyou Fang
- Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China; (Y.S.); (X.Z.); (B.Y.); (F.Z.); (G.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
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Zhou C, Bai J, Zhang F, Zhang R, Zhang X, Zhong K, Yan B. Development of mussel-inspired chitosan-derived edible coating for fruit preservation. Carbohydr Polym 2023; 321:121293. [PMID: 37739502 DOI: 10.1016/j.carbpol.2023.121293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 09/24/2023]
Abstract
Fruit rotting at the postharvest stage severely limits their marketing supply chains and shelf-life. Thus, developing a green and cost-effective approach to extend the shelf-life of perishable foods is highly desired. In this study, inspired by the mussel-adhesion strategy, a multifunctional fruit coating material has been developed using a quaternized catechol-functionalized chitosan (CQ-CS) grafted with 2, 3-epoxypropyl trimethyl ammonium chloride and 3, 4-dihydroxy benzaldehyde. The as-prepared CQ-CS coating exhibited excellent mechanical properties, universal surface adhesion abilities, antimicrobial and antioxidant capacities without any potential toxicity effects. Using strawberry and banana as model fruits, we showed that the CQ-CS coating could effectively maintain the fruit's firmness and color, decrease the weight loss rate, and prevent microbial growth, thus finally extending their shelf- life when compared to uncoated samples, indicating the universal application of the as-prepared CQ-CS coating. These findings demonstrated that this novel conformal coating of CQ-CS has great potential for fruit preservation in the food industry.
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Affiliation(s)
- Chaomei Zhou
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Jinrong Bai
- Molecular Toxicology Key Laboratory of Sichuan Provincial Education office, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China
| | - Fantao Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Rongya Zhang
- Technology Center, China Tobacco Sichuan Industrial Co. Ltd., Chengdu 610066, China
| | - Xiaolei Zhang
- College of Food Science and Technology, Southwest Minzu University, Chengdu 610225, China
| | - Kai Zhong
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China.
| | - Bin Yan
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China.
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Wang D, Yan B, Wang A, Sun Q, Pang J, Cui Y, Tian G. Tu-Xian Decoction ameliorates diabetic cognitive impairment by inhibiting DAPK-1. Chin J Nat Med 2023; 21:950-960. [PMID: 38143108 DOI: 10.1016/s1875-5364(23)60428-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Indexed: 12/26/2023]
Abstract
Tu-Xian decoction (TXD), a traditional Chinese medicine (TCM) formula, has been frequently administered to manage diabetic cognitive impairment (DCI). Despite its widespread use, the mechanisms underlying TXD's protective effects on DCI have yet to be fully elucidated. As a significant regulator in neurodegenerative conditions, death-associated protein kinase-1 (DAPK-1) serves as a focus for understanding the action of TXD. This study was designed to whether TXD mediates its beneficial outcomes by inhibiting DAPK-1. To this end, a diabetic model was established using Sprague-Dawley (SD) rats through a high-fat, high-sugar (HFHS) diet regimen, followed by streptozotocin (STZ) injection. The experimental cohort was stratified into six groups: Control, Diabetic, TC-DAPK6, high-dose TXD, medium-dose TXD, and low-dose TXD groups. Following a 12-week treatment period, various assessments-including blood glucose levels, body weight measurements, Morris water maze (MWM) testing for cognitive function, brain magnetic resonance imaging (MRI), and histological analyses using hematoxylin-eosin (H&E), and Nissl staining-were conducted. Protein expression in the hippocampus was quantified through Western blotting analysis. The results revealed that TXD significantly improved spatial learning and memory abilities, and preserved hippocampal structure in diabetic rats. Importantly, TXD administration led to a down-regulation of proteins indicative of neurological damage and suppressed DAPK-1 activity within the hippocampal region. These results underscore TXD's potential in mitigating DCIvia DAPK-1 inhibition, positioning it as a viable therapeutic candidate for addressing this condition. Further investigation into TXD's molecular mechanisms may elucidate new pathways for the treatment of DCI.
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Affiliation(s)
- Danyang Wang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Beijing 100730, China; Chinese Academy of Mediucal Sciences & Peking Union Medical College, Beijing 100730, China
| | - Bin Yan
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Beijing 100730, China
| | - An Wang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Beijing 100730, China; Chinese Academy of Mediucal Sciences & Peking Union Medical College, Beijing 100730, China
| | - Qing Sun
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Beijing 100730, China
| | - Junyi Pang
- Department of Pathology, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Disease, Molecular Pathology Research Center, Beijing 100730, China
| | - Yangming Cui
- Animal Research Laboratory Platform, Peking Union Medical College Hospital, the National Science and Technology Key Infrastructure on Translational Medicine, Beijing 100730, China
| | - Guoqing Tian
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Beijing 100730, China.
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Ye Q, Wu H, Li J, Huang Y, Zhang M, Yi Q, Yan B. Preparation of 1,8-dichloroanthraquinone/graphene oxide/poly (vinylidene fluoride) (1,8-AQ/GO/PVDF) mediator membrane and its application to catalyzing biodegradation of azo dyes. Ecotoxicol Environ Saf 2023; 268:115681. [PMID: 37976925 DOI: 10.1016/j.ecoenv.2023.115681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 10/30/2023] [Accepted: 11/10/2023] [Indexed: 11/19/2023]
Abstract
Anthraquinone is a redox mediator that can effectively catalyze the degradation of azo dyes by promoting the electron transfer. In this study, a mediator membrane with poly (vinylidene fluoride) (PVDF) as the membrane support and 1,8-dichloroanthraquinone (1,8-AQ) and graphene oxide (GO) as the additives was prepared and characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), mercury intrusion porosimetry (MIP), atomic force microscopy (AFM) and water contact angle. The introduction of GO increases the pure water flux of the membrane to 258.56±12.93 L/(m2·h). Its catalytic performances for the biodegradation of azo dyes were evaluated. Under the optimized conditions, the 1,8-AQ/GO/PVDF composite membrane is able to improve the dye degradation efficiency 2.2 times for reactive red X-3B and 1.1 times for acid red B, as compared with PVDF membrane. In addition, the mediator membrane maintains stable and high catalytic efficiency in the cyclic test and over 90 % dye degradation efficiency is still obtained after 5 cycles of decolorization. These results suggest the great application potentials of the 1,8-AQ/GO/PVDF membrane in the dye wastewater treatment.
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Affiliation(s)
- Qian Ye
- Department of Environmental Engineering, Xiamen University of Technology, Xiamen 361024, China; Xiamen Key Laboratory of Membrane Research and Application, Xiamen 361024, China.
| | - Hanbin Wu
- Department of Environmental Engineering, Xiamen University of Technology, Xiamen 361024, China
| | - Jin Li
- Department of Environmental Engineering, Xiamen University of Technology, Xiamen 361024, China
| | - Yinyin Huang
- Department of Environmental Engineering, Xiamen University of Technology, Xiamen 361024, China
| | - Mingliang Zhang
- Department of Environmental Engineering, Xiamen University of Technology, Xiamen 361024, China
| | - Qianqian Yi
- Department of Environmental Engineering, Xiamen University of Technology, Xiamen 361024, China
| | - Bin Yan
- Department of Environmental Engineering, Xiamen University of Technology, Xiamen 361024, China; Xiamen Key Laboratory of Membrane Research and Application, Xiamen 361024, China
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Zhao Y, Deng C, Yan B, Yang Q, Gu Y, Guo R, Lan J, Chen S. One-Step Method for Fabricating Janus Aramid Nanofiber/MXene Nanocomposite Films with Improved Joule Heating and Thermal Camouflage Properties. ACS Appl Mater Interfaces 2023; 15:55150-55162. [PMID: 37967290 DOI: 10.1021/acsami.3c13722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
The integration of ultraflexible and mechanically robust films with electric heaters and camouflage technology provides a promising platform for the development of wearable devices, especially for aerospace and military applications. Herein, we present a facile and efficient one-step vacuum-assisted filtration method for fabricating Janus films based on aramid nanofibers (ANF) and Ti3C2Tx (MXene). The ANF/MXene nanocomposite film exhibits remarkable properties, including high conductivity (23809.5 S/m), excellent mechanical strength (102.54 MPa), and outstanding thermal stability (575 °C). Most notably, the Janus ANF/MXene composite film demonstrates superior Joule heating performance with a low driving voltage (1-5 V), high heating temperature (30-276 °C), and rapid response time (within 5 s). Additionally, the film exhibits effective thermal camouflage (72 °C for objects with temperatures above 163 °C) and excellent electromagnetic interference shielding properties (SSE/t = 32475.6 dB cm2/g). These results demonstrate that Janus ANF/MXene films possess a unique combination of thermal camouflage, Joule heating, and electromagnetic interference shielding properties, making them highly promising for wearable devices, high-performance electrical heating, infrared stealth, and security protection applications.
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Affiliation(s)
- Yinghui Zhao
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Cong Deng
- Analytical & Testing Center, Sichuan University, Chengdu 610065, China
| | - Bin Yan
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Qin Yang
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Yingchun Gu
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Ronghui Guo
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Jianwu Lan
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Sheng Chen
- College of Biomass Science and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
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Han L, Lin L, Chen J, Yan B. Bio Informatics Analysis of the Relationship Between Mammalian Target of Rapamycin and Colorectal Cancer. Stud Health Technol Inform 2023; 308:322-328. [PMID: 38007756 DOI: 10.3233/shti230856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2023]
Abstract
OBJECTIVE The purpose of this paper is to promote the medical treatment of colorectal cancer in our country and to save the lives of patients with colorectal cancer by studying mammalian target of rapamycin (mTOR) and the biologic information analysis of colorectal cancer. METHODS We analyzed mTOR expression and survival differences using data from Coad & read from the TCGA public database and explored the coexpression regulatory network of mTOR. mTOR-regulated mirnas were screened using the Linked Omics database. In addition, we explored the association of mTOR with drug sensitivity, immune cell correlations, microsatellite deletions, tumor mutational burden, and mutational analysis. RESULTS The expression and survival of mTOR were significant different in colorectal cancer, and were related to the sensitivity of Bleomycin, Cisplatin and Gemcitabine. mTOR is associated with dendritic cell activation, NK cell dormancy, dendritic cell dormancy, and eosinophil granulocyte. mTOR is associated with microsatellite deletions, and tumor mutational load. CONCLUSIONS Based on these findings, we consumer mTOR as a biomarker for the diagnosis and prognosis of colorectal cancer.
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Affiliation(s)
- Lihong Han
- Key Laboratory of Translational Oncology, Putian University, Putian, CN
| | - Lirong Lin
- Key Laboratory of Translational Oncology, Putian University, Putian, CN
| | - Jingru Chen
- Key Laboratory of Translational Oncology, Putian University, Putian, CN
| | - Bin Yan
- Key Laboratory of Translational Oncology, Putian University, Putian, CN
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Shi X, Wu B, Cao D, Liu J, Qian X, Liu M, Tang M, Yin C, Liu L, Yan B. Effect of socioeconomic and malocclusion-related factors on duration of orthodontic treatment by fixed appliance: A retrospective study. Orthod Craniofac Res 2023; 26:650-659. [PMID: 37036602 DOI: 10.1111/ocr.12661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 02/16/2023] [Accepted: 03/21/2023] [Indexed: 04/11/2023]
Abstract
OBJECTIVES The aims of this study were to evaluate the effect of related factors that influence orthodontic treatment time and to identify the predictors of orthodontic treatment duration in a Chinese population. MATERIALS AND METHODS Information for 29 sociodemographic, malocclusion and orthodontic treatment characteristics was collected. Patients were divided into two groups: the duration ≤24 months group and duration >24 months group. The treatment dates of the initial visit and end of orthodontic treatment were obtained to calculate duration. The data were subjected to univariate and multivariate logistic regression modelling to quantify the association between characteristics and the treatment duration; odds ratios (ORs) and 95% confidence intervals (95% CIs) are reported. RESULTS Of 2120 patients, 704 patients (mean age, 15.9 ± 6.0 years) were included. Age, extraction, Bolton ratio (overall), rotated teeth, overjet and crowding (lower arch) were predictors for duration. The nomogram based on predictive factors exhibited strong discrimination ability, with concordance indices of 0.755 (95% CI = 0.712-0.798) in the training cohort model and 0.717 (95% CI = 0.647-0.787) in the validation cohort model. The calibration curves for the training and validation cohorts showed that the probabilities of the nomogram agreed well with actual probabilities. CONCLUSIONS Young age, non-extraction and severe crowding (lower arch) can increase the chance of durations of ≤24 months. Rotated teeth, excessive overjet and Bolton ratio (overall) can increase the chance of durations of >24 months.
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Affiliation(s)
- Xueming Shi
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Bin Wu
- College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing, China
| | - Dan Cao
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Jingjing Liu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Xinyao Qian
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Mao Liu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Miaoning Tang
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Cheng Yin
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Luwei Liu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Bin Yan
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
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Zhang M, Xin L, Cheng B, Yan B, Zhen J, Yang C, Ma L, Hou Q. Clinical Value Analysis of Serum TK1, SCC-Ag, and MUC-1 in the Diagnosis and Prognosis Evaluation of Cervical Cancer. Altern Ther Health Med 2023; 29:788-792. [PMID: 37708549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
Objective This study aims to analyze the diagnostic and prognostic value of serum thymidine kinase (TK1), squamous cell carcinoma antigen (SCC-Ag), and mucin-1 (MUC-1) in cervical cancer. Methods This retrospective study included 85 cervical cancer patients as the experimental group treated at our hospital's obstetrics and gynecology department from January 2016 to January 2019. The benign group also consisted of 85 patients with benign lesions treated during the same period, and the comparison group comprised 85 patients with healthy physical examinations at the same time. Results Serum levels of TK1, SCC-Ag, and MUC-1 were significantly higher in the experimental group than in the benign group and higher in the benign group than in the comparison group (P < .05). Additionally, serum TK1, SCC-Ag, and MUC-1 were higher in the lymph node metastasis group, infiltration depth > 1/2 group, tumor diameter ≥ 4 cm group, and stage III-IV group compared to the non-lymph node metastasis group, infiltration depth ≤ 1/2 group, tumor diameter <4 cm group, and stage I-II group (P < .05). No significant differences in serum TK1, SCC-Ag, and MUC-1 among different pathological types and age groups (P > .05). Moreover, serum TK1, SCC-Ag, and MUC-1 levels were higher in the deceased group compared to the survivor group (P < .05). These markers were negatively correlated with survival time (r value = -0.524, -0.428, -0.516), indicating that as the severity of cervical cancer increased, serum TK1, SCC-Ag, and MUC-1 concentrations also increased. The levels of these markers were significantly higher in deceased patients compared to survivors. Conclusions Serum levels of TK1, SCC-Ag, and MUC-1 show promise as biomarkers for cervical cancer diagnosis and prognosis. TK1 and SCC-Ag are elevated, while MUC-1 is decreased in cervical cancer patients. Further research is warranted to confirm these findings and explore additional biomarkers.
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Li M, Lu H, Pi M, Zhou H, Wang Y, Yan B, Cui W, Ran R. Water-Induced Phase Separation for Anti-Swelling Hydrogel Adhesives in Underwater Soft Electronics. Adv Sci (Weinh) 2023; 10:e2304780. [PMID: 37750254 PMCID: PMC10646223 DOI: 10.1002/advs.202304780] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/22/2023] [Indexed: 09/27/2023]
Abstract
The development of hydrogel-based underwater electronics has gained significant attention due to their flexibility and portability compared to conventional rigid devices. However, common hydrogels face challenges such as swelling and poor underwater adhesion, limiting their practicality in water environments. Here, a water-induced phase separation strategy to fabricate hydrogels with enhanced anti-swelling properties and underwater adhesion is presented. By leveraging the contrasting affinity of different polymer chains to water, a phase-separated structure with rich hydrophobic and dilute hydrophilic polymer phases is achieved. This dual-phase structure, meticulously characterized from the macroscopic to the nanoscale, confers the hydrogel network with augmented retractive elastic forces and facilitates efficient water drainage at the gel-substrate interface. As a result, the hydrogel exhibits remarkable swelling resistance and long-lasting adhesion to diverse substrates. Additionally, the integration of carboxylic multiwalled carbon nanotubes into the hydrogel system preserves its anti-swelling and adhesion properties while imparting superior conductivity. The conductive phase-separated hydrogel exhibited great potential in diverse underwater applications, including sensing, communication, and energy harvesting. This study elucidates a facile strategy for designing anti-swelling underwater adhesives by leveraging the ambient solvent effect, which is expected to offer some insights for the development of next-generation adhesive soft materials tailored for aqueous environments.
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Affiliation(s)
- Min Li
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065China
| | - Honglang Lu
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065China
| | - Menghan Pi
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065China
| | - Hui Zhou
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065China
| | - Yufei Wang
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065China
| | - Bin Yan
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065China
| | - Wei Cui
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065China
| | - Rong Ran
- College of Polymer Science and EngineeringSichuan UniversityChengdu610065China
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Yan B, Zhao T, Li Z, Ren J, Zhang Y. An MR-based radiomics nomogram including information from the peritumoral region to predict deep myometrial invasion in stage I endometrioid adenocarcinoma: a preliminary study. Br J Radiol 2023; 96:20230026. [PMID: 37751166 PMCID: PMC10607389 DOI: 10.1259/bjr.20230026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 09/27/2023] Open
Abstract
OBJECTIVE To develop and validate an MR-based radiomics nomogram combining different imaging sequences (ADC mapping and T2 weighted imaging (T2WI)), different tumor regions (combined intra- and peritumoral regions), and different parameters (clinical features, tumor morphological features, and radiomics features) while considering different MR field strengths in predicting deep myometrial invasion (MI) in Stage I endometrioid adenocarcinoma (EEA). METHODS A total of 202 patients were retrospectively analyzed and divided into two cohorts (training cohort, 1.5 T MR, n = 131; validation cohort, 3.0 T MR, n = 71). Axial ADC mapping and T2WI were conducted. Radiomics features were extracted from intra- and peritumoral regions. Least absolute shrinkage and selection operator regression, univariate analysis, and multivariate logistic regression were used to select radiomics features and tumor morphological and clinical parameters. The area under the receiver operator characteristic curve (AUC) was calculated to evaluate the performance of the prediction model and radiomics nomogram. RESULTS Ten radiomics features, 4 morphological parameters and 1 clinical characteristic were selected. The radiomics nomogram achieved good discrimination between the superficial and deep MI cohorts. The AUC was 0.927 (95% confidence interval [CI]: 0.865, 0.967) in the training cohort and 0.921 (95% CI: 0.872, 0.948) in the validation cohort. The specificity and sensitivity were 92.0 and 78.9% in the training cohort and 83.0 and 77.8% in the validation cohort, respectively. CONCLUSION The radiomics nomogram showed good performance in predicting the depth of MI in Stage I EEA before surgery and might be useful for surgical patient management. ADVANCES IN KNOWLEDGE An MR-based radiomics nomogram was useful for predicting deep MI in Stage I EEA patients (AUCtrain = 0.927, AUCvalidation = 0.921). The intra- and peritumoral radiomics features complemented each other. The nomogram was developed and validated with different MR field strengths, suggesting that the model demonstrates good generalizability.
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Affiliation(s)
| | - Tingting Zhao
- Department of Medical Imaging, First Affiliated Hospital of Xi'an Jiaotong University, Shaanxi, China
| | | | | | - Yuchen Zhang
- Department of Nuclear Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Shaanxi, China
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Wang J, Zhao ML, Yan B. [Research on cone-beam CT of mandibular foramen location in children aged 7-10 years]. Zhonghua Kou Qiang Yi Xue Za Zhi 2023; 58:1103-1110. [PMID: 37885180 DOI: 10.3760/cma.j.cn112144-20230717-00007] [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: 10/28/2023]
Abstract
Objective: Cone-beam CT (CBCT) images were used to investigate the relative position changes of mandibular foramen in the mandible of children and the relative position relationship with the occlusal plane, so as to provide clinical guidance for inferior alveolar nerve block (IANB) anesthesia of children. Methods: The CBCT data of 202 children aged 7-10 years in the image database of the First Affiliated Hospital of Zhengzhou University from March 2021 to February 2023 were included. Patients were divided into 4 groups according to age diffrences as 7-year-old, 8-year-old, 9-year-old and 10-year-old. There were 20 males and 22 females in the 7-year-old group, 31 males and 28 females in the 8-year-old group, 30 males and 26 females in the 9-year-old group, and 22 males and 23 females in the 10-year-old group, respectively. Forty-six adults aged 25-30 years were selected as control group, 24 males and 22 females included. The distance between the center point of mandibular foramen with the anterior edge of ascending ramus of mandible (MF-A), the posterior edge of the ascending ramus of mandible (MF-P) and the shortest distance between the center point of mandibular foramen with occlusal plane (MF-OP) were measured. The angle between the center point of the mandibular foramen with the sagittal plane of the mandibular first deciduous molar (or mandibular first premolar) and mandibular second deciduous molar (or mandibular second premolar) (∠A) was measured. The data of mandibular foramen were compared between the left and right sides and among different genders and different age groups. Results: The position of mandibular foramen in children aged 7-10 years maintained bilateral symmetry, and mandibular growth and development were relatively consistent between different genders (P>0.05). MF-A increased with age, from (15.83±1.28) mm in 7-year-old group to (17.10±1.60) mm in 10-year-old group gradually. There were significant differences in MF-A between the 10-year-old group with the 7-year-old group, the 8-year-old group [(15.98±1.53) mm] and the 9-year-old group [(16.43±1.49) mm] respectively (P<0.05). MF-P increased with age, from (9.12±1.17) mm in 7-year-old group to (11.25±1.60) mm in 10-year-old group. There were statistically significant differences in MF-P among all age groups (P<0.05). MF-OP increased with age, from below the plane (-0.24±2.31) mm in the 7-year-old group to above the plane (1.08±1.95) mm in the 10-year-old group. There were significant differences between the 10-year-old group with the 7-year-old group, the 8-year-old group [(-0.01±1.93) mm], and the 9-year-old group [(0.31±1.95) mm] (P<0.05). The ratio of MF-A to MF-P decreased as the age increased, from 1.77±0.30 in the 7-year-old group to 1.55±0.29 in the 10-year-old group. There were statistically significant differences in MF-A/MF-P among all age groups (P<0.05), except for between the 8-year-old group (1.66±0.19) and the 9-year-old group (1.65±0.28) (P>0.05). The ∠A of children in all age groups was significantly greater than the reference value (45°) (P<0.05), and there was no statistical significance among all groups (P>0.05). The differences of MF-A, MF-P, MF-OP, MF-A/MF-P and ∠A between children of all age groups and the control group were statistically significant (P<0.05). Conclusions: In children aged 7-10 years, the mandibular foramen is located behind the midpoint of the anteroposterior diameter of the mandibular ramus. With the increase of age, the mandibular foramen gradually moves from below the occlusal plane to above, and is flush with the occlusal plane at the age of 8 years. Compared with adults, the mandibular foramen in children is more backward and lower on the medial side of the mandibular ramus. When IANB is operated to children, the syringe can be moved distally from the contact area of the contralateral deciduous molars or premolars, so that the injection angle can be greater than the reference value 45° to improve the accuracy of IANB.
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Affiliation(s)
- J Wang
- Department of Pediatric Dentistry, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - M L Zhao
- Department of Implantology, Anyang Sixth People's Hospital, Anyang 455000, China
| | - B Yan
- Department of Oral Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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Wang H, Zhang J, Ma D, Zhao Z, Yan B, Wang F. The role of red ginseng in men's reproductive health: a literature review. Basic Clin Androl 2023; 33:27. [PMID: 37880595 PMCID: PMC10601307 DOI: 10.1186/s12610-023-00203-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/20/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND Red ginseng (RG) is a traditional herb commonly used in China, Korea, and other East Asian countries. Recently, it has demonstrated a better clinical value in men's reproductive health (MRH). The present review aimed to examine the effects of RG treatment on MRH. RESULTS Overall, 42 articles related to RG application in MRH were reviewed, of which 31 were animal experiments and 11 were clinical studies. Furthermore, this review analyzed the use of RG in some male reproductive diseases in clinical trials and determined the associated mechanisms of action. The mechanism of action of RG in MRH may be related to oxidative stress, regulation of sex hormones and spermatogenesis-related proteins, and anti-inflammation. CONCLUSIONS The application of RG for the treatment of male infertility, erectile dysfunction, and prostate diseases has the potential to contribute to MRH.
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Affiliation(s)
- Hao Wang
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Jiwei Zhang
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Dongyue Ma
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Ziwei Zhao
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Bin Yan
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Fu Wang
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091, China.
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Yan B, Liu SH, Hu TX, Tao LJ, Ye YP, Zhou Y, Du WP. [Acute myeloid leukemia (M(3)) with multiple myeloma: a case report]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:869. [PMID: 38049345 PMCID: PMC10694078 DOI: 10.3760/cma.j.issn.0253-2727.2023.10.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Indexed: 12/06/2023]
Affiliation(s)
- B Yan
- Department of Clinical Laboratory Medicine, Nanyang Central Hospital, Nanyang 473000, China Nanyang Key Laboratory of Hematology, Nanyang 473000, China
| | - S H Liu
- Department of Hematology, Nanyang Central Hospital, Nanyang 473000, China
| | - T X Hu
- Department of Clinical Laboratory Medicine, Nanyang Central Hospital, Nanyang 473000, China Nanyang Key Laboratory of Hematology, Nanyang 473000, China
| | - L J Tao
- Department of Clinical Laboratory Medicine, Nanyang Central Hospital, Nanyang 473000, China Nanyang Key Laboratory of Hematology, Nanyang 473000, China
| | - Y P Ye
- Department of Clinical Laboratory Medicine, Nanyang Central Hospital, Nanyang 473000, China Nanyang Key Laboratory of Hematology, Nanyang 473000, China
| | - Y Zhou
- Department of Clinical Laboratory Medicine, Nanyang Central Hospital, Nanyang 473000, China Nanyang Key Laboratory of Hematology, Nanyang 473000, China
| | - W P Du
- Department of Clinical Laboratory Medicine, Nanyang Central Hospital, Nanyang 473000, China Nanyang Key Laboratory of Hematology, Nanyang 473000, China
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Wu B, Li N, Liu M, Cheng K, Jiang D, Yi Y, Ma S, Yan B, Lu Y. Construction of Human Periodontal Ligament Constitutive Model Based on Collagen Fiber Content. Materials (Basel) 2023; 16:6582. [PMID: 37834722 PMCID: PMC10573969 DOI: 10.3390/ma16196582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023]
Abstract
Periodontal ligament (PDL) is mainly composed of collagen fiber bundles, and the content of collagen fiber is an important factor affecting the mechanical properties of PDL. Based on this, the purpose of this study is to explore the effect of the PDL collagen fiber content on its viscoelastic mechanical behavior. Transverse and longitudinal samples of different regions of PDL were obtained from the human maxilla. The fiber content at different regions of human PDL was quantitatively measured using image processing software, and a new viscoelastic constitutive model was constructed based on the fiber content. The nano-indentation experiment was carried out with a loading rate of 0.5 mN·s-1, a peak load of 3 mN, and a holding time of 200 s, and the model parameters were obtained through the experiment data. The results showed that with the increase of fiber content, the deformation resistance of PDL also increased, and compared with the neck and middle region, the compressive strain in the apical region of PDL was the largest. The range of reduced elastic modulus of human PDL was calculated to be 0.39~5.08 MPa. The results of the experimental data and the viscoelastic constitutive model fit well, indicating that the model can well describe the viscoelastic behavior of human PDL.
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Affiliation(s)
- Bin Wu
- College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China; (B.W.); (N.L.); (D.J.); (Y.Y.)
| | - Na Li
- College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China; (B.W.); (N.L.); (D.J.); (Y.Y.)
| | - Mao Liu
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing 210029, China;
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, China
| | - Ke Cheng
- College of Mechanical Engineering, Southeast University, Nanjing 210018, China;
| | - Di Jiang
- College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China; (B.W.); (N.L.); (D.J.); (Y.Y.)
| | - Yang Yi
- College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China; (B.W.); (N.L.); (D.J.); (Y.Y.)
| | - Songyun Ma
- Institute of General Mechanics, RWTH-Aachen University, 52062 Aachen, Germany;
| | - Bin Yan
- Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing 210029, China;
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, China
- College of Mechanical Engineering, Southeast University, Nanjing 210018, China;
| | - Yi Lu
- College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China; (B.W.); (N.L.); (D.J.); (Y.Y.)
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