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Xin BG, Huang LY, Yuan LG, Liu NN, Li HH, Ai X, Lei DS, Hou XM, Rety S, Xi XG. Structural insights into the N-terminal APHB domain of HrpA: mediating canonical and i-motif recognition. Nucleic Acids Res 2024; 52:3406-3418. [PMID: 38412313 PMCID: PMC11014265 DOI: 10.1093/nar/gkae138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 02/08/2024] [Accepted: 02/14/2024] [Indexed: 02/29/2024] Open
Abstract
RNA helicases function as versatile enzymes primarily responsible for remodeling RNA secondary structures and organizing ribonucleoprotein complexes. In our study, we conducted a systematic analysis of the helicase-related activities of Escherichia coli HrpA and presented the structures of both its apo form and its complex bound with both conventional and non-canonical DNAs. Our findings reveal that HrpA exhibits NTP hydrolysis activity and binds to ssDNA and ssRNA in distinct sequence-dependent manners. While the helicase core plays an essential role in unwinding RNA/RNA and RNA/DNA duplexes, the N-terminal extension in HrpA, consisting of three helices referred to as the APHB domain, is crucial for ssDNA binding and RNA/DNA duplex unwinding. Importantly, the APHB domain is implicated in binding to non-canonical DNA structures such as G-quadruplex and i-motif, and this report presents the first solved i-motif-helicase complex. This research not only provides comprehensive insights into the multifaceted roles of HrpA as an RNA helicase but also establishes a foundation for further investigations into the recognition and functional implications of i-motif DNA structures in various biological processes.
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Affiliation(s)
- Ben-Ge Xin
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ling-Yun Huang
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ling-Gang Yuan
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Na-Nv Liu
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hai-Hong Li
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xia Ai
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Dong-Sheng Lei
- School of Physical Science and Technology, Electron Microscopy Centre of Lanzhou University, Lanzhou University, Lanzhou 730000, People's Republic of China
- Key Laboratory of Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Xi-Miao Hou
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Stephane Rety
- LBMC, ENS de Lyon, CNRS, UMR 5239, Inserm, U1293, Universite Claude Bernard Lyon 1, 46 allee d'Italie F-69364 Lyon, France
| | - Xu-Guang Xi
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
- Laboratoirede de Biologie et Pharmacologie Appliquée(LBPA), CNRS UMR8113, ENS Paris-Saclay, Université Paris-Saclay, F-91190 Gif-sur-Yvette, France
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Huang LY, Liu NN, Chen WF, Ai X, Li HH, Zhang ZL, Hou XM, Fossé P, Mauffret O, Lei DS, Rety S, Xi XG. The catalytic triad of rice NARROW LEAF1 involves H234. Nat Plants 2024:10.1038/s41477-024-01668-1. [PMID: 38600265 DOI: 10.1038/s41477-024-01668-1] [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] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 03/11/2024] [Indexed: 04/12/2024]
Abstract
NARROW LEAF1 (NAL1) exerts a multifaceted influence on leaf morphology and crop yield. Recent crystal study proposed that histidine 233 (H233) is part of the catalytic triad. Here we report that unlike suggested previously, H234 instead of H233 is a component of the catalytic triad alongside residues D291 and S385 in NAL1. Remarkably, residue 233 unexpectedly plays a pivotal role in regulating NAL1's proteolytic activity. These findings establish a strong foundation for utilizing NAL1 in breeding programs aimed at improving crop yield.
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Affiliation(s)
- Ling-Yun Huang
- College of Life Sciences, State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A&F University, Yangling, People's Republic of China
| | - Na-Nv Liu
- College of Life Sciences, State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A&F University, Yangling, People's Republic of China
| | - Wei-Fei Chen
- College of Life Sciences, State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A&F University, Yangling, People's Republic of China
| | - Xia Ai
- College of Life Sciences, State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A&F University, Yangling, People's Republic of China
| | - Hai-Hong Li
- College of Life Sciences, State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A&F University, Yangling, People's Republic of China
| | - Ze-Lin Zhang
- School of Physical Science and Technology, Electron Microscopy Centre of Lanzhou University, Lanzhou University, Lanzhou, People's Republic of China
- College of Veterinary Medicine, Lanzhou University, Lanzhou, People's Republic of China
| | - Xi-Miao Hou
- College of Life Sciences, State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A&F University, Yangling, People's Republic of China
| | - Philippe Fossé
- Laboratoire de Biologie et Pharmacologie Appliquée (LBPA), CNRS UMR8113, ENS Paris-Saclay, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Olivier Mauffret
- Laboratoire de Biologie et Pharmacologie Appliquée (LBPA), CNRS UMR8113, ENS Paris-Saclay, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Dong-Sheng Lei
- School of Physical Science and Technology, Electron Microscopy Centre of Lanzhou University, Lanzhou University, Lanzhou, People's Republic of China.
- College of Veterinary Medicine, Lanzhou University, Lanzhou, People's Republic of China.
| | - Stephane Rety
- Laboratoire de Biologie et Modelisation de la Cellule, Ecole Normale Superieure de Lyon, CNRS, UMR 5239, Inserm, U1293, Universite Claude Bernard Lyon 1, 46 allee d'Italie F-69364, Lyon, France.
| | - Xu-Guang Xi
- College of Life Sciences, State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A&F University, Yangling, People's Republic of China.
- Laboratoire de Biologie et Pharmacologie Appliquée (LBPA), CNRS UMR8113, ENS Paris-Saclay, Université Paris-Saclay, Gif-sur-Yvette, France.
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Lin WP, Mu X, Chen SH, He CJ, Li HH, Sun CW, Bian HN, Lai W, Huang ZF. [Clinical characteristics of 11 patients with Vibrio vulnificus infection and the establishment of a rapid diagnosis procedure for this disease]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2024; 40:266-272. [PMID: 38548397 DOI: 10.3760/cma.j.cn501225-20230803-00036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Objective: To analyze the clinical characteristics of patients with Vibrio vulnificus infection, share diagnosis and treatment experience, and establish a rapid diagnosis procedure for this disease. Methods: This study was a retrospective case series study. From January 2009 to November 2022, 11 patients with Vibrio vulnificus infection who met the inclusion criteria were admitted to the Department of Burns and Wound Repair of Guangdong Provincial People's Hospital Affiliated to Southern Medical University. The gender, age, time of onset of illness, time of admission, time of diagnosis, route of infection, underlying diseases, affected limbs, clinical manifestations and signs on admission, white blood cell count, hemoglobin, platelet count, C-reactive protein (CRP), alanine transaminase (ALT), aspartate transaminase (AST), creatinine, procalcitonin, albumin, N-terminal pro-B-type natriuretic peptide (NT-proBNP), and blood sodium levels on admission, culture results and metagenomic next-generation sequencing (mNGS) results of pathogenic bacteria and the Vibrio vulnificus drug susceptibility test results during hospitalization, treatment methods, length of hospital stay, and outcomes of all patients were recorded. Comparative analysis was conducted on the admission time and diagnosis time of patients with and without a history of exposure to seawater/marine products, as well as the fatality ratio and amputation of limbs/digits ratio of patients with and without early adequate antibiotic treatment. For the survived patients with hand involvement, the hand function was assessed using Brunnstrom staging at the last follow-up. Based on patients' clinical characteristics and treatment conditions, a rapid diagnosis procedure for Vibrio vulnificus infection was established. Results: There were 7 males and 4 females among the patients, aged (56±17) years. Most of the patients developed symptoms in summer and autumn. The admission time was 3.00 (1.00, 4.00) d after the onset of illness, and the diagnosis time was 4.00 (2.00, 8.00) d after the onset of illness. There were 7 and 4 patients with and without a history of contact with seawater/marine products, respectively, and the admission time of these two types of patients was similar (P>0.05). The diagnosis time of patients with a history of contact with seawater/marine products was 2.00 (2.00, 5.00) d after the onset of illness, which was significantly shorter than 9.00 (4.25, 13.00) d after the onset of illness for patients without a history of contact with seawater/marine products (Z=-2.01, P<0.05). Totally 10 patients had underlying diseases. The affected limbs were right-hand in 8 cases, left-hand in 1 case, and lower limb in 2 cases. On admission, a total of 9 patients had fever; 11 patients had pain at the infected site, and redness and swelling of the affected limb, and 9 patients each had ecchymosis/necrosis and blisters/blood blisters; 6 patients suffered from shock, and 2 patients developed multiple organ dysfunction syndrome. On admission, there were 8 patients with abnormal white blood cell count, hemoglobin, and albumin levels, 10 patients with abnormal CRP, procalcitonin, and NT-proBNP levels, 5 patients with abnormal creatinine and blood sodium levels, and fewer patients with abnormal platelet count, ALT, and AST levels. During hospitalization, 4 of the 11 wound tissue/exudation samples had positive pathogenic bacterial culture results, and the result reporting time was 5.00 (5.00, 5.00) d; 4 of the 9 blood specimens had positive pathogenic bacterial culture results, and the result reporting time was 3.50 (1.25, 5.00) d; the mNGS results of 7 wound tissue/exudation or blood samples were all positive, and the result reporting time was 1.00 (1.00, 2.00) d. The three strains of Vibrio vulnificus detected were sensitive to 10 commonly used clinical antibiotics, including ciprofloxacin, levofloxacin, and amikacin, etc. A total of 10 patients received surgical treatment, 4 of whom had amputation of limbs/digits; all patients received anti-infection treatment. The length of hospital stay of 11 patients was (26±11) d, of whom 9 patients were cured and 2 patients died. Compared with that of the 6 patients who did not receive early adequate antibiotic treatment, the 5 patients who received early adequate antibiotic treatment had no significant changes in the fatality ratio or amputation of limbs/digits ratio (P>0.05). In 3 months to 2 years after surgery, the hand function of 8 patients was assessed, with results showing 4 cases of disabled hands, 2 cases of incompletely disabled hands, and 2 cases of recovered hands. When a patient had clinical symptoms of limb redness and swelling and a history of contact with seawater/marine products or a pre-examination triage RiCH score of Vibrio vulnificus sepsis ≥1, the etiological testing should be initiated immediately to quickly diagnose Vibrio vulnificus infection. Conclusions: Vibrio vulnificus infection occurs most frequently in summer and autumn, with clinical manifestations and laboratory test results showing obvious infection characteristics, and may be accompanied by damage to multiple organ functions. Both the fatality and disability ratios are high and have a great impact on the function of the affected limbs. Early diagnosis is difficult and treatment is easily delayed, but mNGS could facilitate rapid detection. For patients with red and swollen limbs accompanied by a history of contact with seawater/marine products or with a pre-examination triage RiCH score of Vibrio vulnificus sepsis ≥1, the etiological testing should be initiated immediately to quickly diagnose Vibrio vulnificus infection.
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Affiliation(s)
- W P Lin
- The First Department of General Surgery, the First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510062, China
| | - X Mu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - S H Chen
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - C J He
- Department of Burns and Wound Repair, Shenzhen People's Hospital, the First Affiliated Hospital of Southern University of Science and Technology, the Second Clinical Medicine College of Jinan University, Shenzhen 518020, China
| | - H H Li
- Department of Burns and Wound Repair, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China
| | - C W Sun
- Department of Burns and Wound Repair, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China
| | - H N Bian
- Department of Burns and Wound Repair, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China
| | - W Lai
- Department of Burns and Wound Repair, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China
| | - Z F Huang
- Department of Burns and Wound Repair, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China
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Liu DD, Zhao YC, Li HH, Yin LJ, Chen JQ, Liu G. Endoplasmic reticulum stress-related protein GRP78 and CHOP levels in synovial fluid correlate with disease progression of primary knee osteoarthritis: A cross-sectional study. J Appl Biomed 2024; 22:40-48. [PMID: 38505969 DOI: 10.32725/jab.2024.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 01/18/2024] [Indexed: 03/21/2024] Open
Abstract
BACKGROUND Endoplasmic reticulum (ER) stress has been shown to play an important role in osteoarthritis (OA). OBJECTIVE This study was aimed at assessing the relationship of endoplasmic reticulum (ER) stress-related glucose-regulated protein 78 (GRP78) and CCAAT/enhancer-binding protein homologous protein (CHOP) concentrations in the serum/synovial fluid (SF) with disease severity of primary knee osteoarthritis (pkOA). METHODS Patients with pkOA together with healthy individuals were consecutively recruited from our hospital. The levels of GRP78 and CHOP in serum / SF were detected using enzyme-linked immunosorbent assay. The levels of IL-6 and MMP-3 were also examined. Radiographic progression of pkOA was evaluated based on Kellgren-Lawrence (K-L) grades. Receiver Operating Characteristic (ROC) curves were used to assess the diagnostic value of GRP78/CHOP levels with regard to K-L grades. The assessment of clinical severity was conducted using the visual analogue scale (VAS), Oxford knee score (OKS), and Lequesne algofunctional index (LAI). RESULTS A total of 140 pkOA patients and 140 healthy individuals were included. Serum GRP78 and CHOP levels in pkOA patients were not significantly different from those in healthy individuals. The SF GRP78 and CHOP levels in healthy controls were not detected due to ethical reasons. Compared to those with K-L grade 2 and 3, the pkOA patients with K-L grade 4 had higher GRP78 and CHOP levels in the SF with statistical significance. In addition, the pkOA patients with K-L grade 3 exhibited drastically upregulated GRP78 and CHOP concentrations in the SF compared to those with K-L grade 2. Positive correlations of GRP78 and CHOP levels with K-L grades, IL-6, and MMP-3 levels in the SF were observed. ROC curve analysis indicated that both GRP78 and CHOP levels may act as decent indicators with regard to OA. GRP78 and CHOP concentrations in the SF were positively correlated with VAS/LAI score and negatively associated with OKS score. CONCLUSION The study indicated that GRP78 and CHOP levels in the SF but not the serum were positively correlated with disease severity of pkOA.
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Affiliation(s)
| | | | - Hai-Hong Li
- Southern Medical University, The Third Affiliated Hospital, Department of Rehabilitation, 510630 Guangzhou, Guangdong Province, China
| | - Lian-Jun Yin
- Southern Medical University, The Third Affiliated Hospital, Department of Rehabilitation, 510630 Guangzhou, Guangdong Province, China
| | | | - Gang Liu
- Southern Medical University, Nanfang Hospital, Department of Rehabilitation Medicine, 510515 Guangzhou, Guangdong Province, China
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Dai YX, Duan XL, Fu WT, Wang S, Liu NN, Li HH, Ai X, Guo HL, Navés CA, Bugnard E, Auguin D, Hou XM, Rety S, Xi XG. Stimulation of ATP Hydrolysis by ssDNA Provides the Necessary Mechanochemical Energy for G4 Unfolding. J Mol Biol 2024; 436:168373. [PMID: 37992890 DOI: 10.1016/j.jmb.2023.168373] [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: 08/13/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 11/24/2023]
Abstract
The G-quadruplex (G4) is a distinct geometric and electrophysical structure compared to classical double-stranded DNA, and its stability can impede essential cellular processes such as replication, transcription, and translation. This study focuses on the BsPif1 helicase, revealing its ability to bind independently to both single-stranded DNA (ssDNA) and G4 structures. The unfolding activity of BsPif1 on G4 relies on the presence of a single tail chain, and the covalent continuity between the single tail chain and the G4's main chain is necessary for efficient G4 unwinding. This suggests that ATP hydrolysis-driven ssDNA translocation exerts a pull force on G4 unwinding. Molecular dynamics simulations identified a specific region within BsPif1 that contains five crucial amino acid sites responsible for G4 binding and unwinding. A "molecular wire stripper" model is proposed to explain BsPif1's mechanism of G4 unwinding. These findings provide a new theoretical foundation for further exploration of the G4 development mechanism in Pif1 family helicases.
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Affiliation(s)
- Yang-Xue Dai
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China; College of Basic Medicine, Zunyi Medical University, Zunyi 563000, China
| | - Xiao-Lei Duan
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China; Department of Laboratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Wen-Tong Fu
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shan Wang
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Na-Nv Liu
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hai-Hong Li
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xia Ai
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hai-Lei Guo
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Cel Areny Navés
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, LBPA, 91190 Gif-sur-Yvette, France
| | - Elisabeth Bugnard
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, LBPA, 91190 Gif-sur-Yvette, France
| | - Daniel Auguin
- Laboratoire de Physiologie, Ecologie et Environnement(P2E), UPRES EA 1207/USC INRAE-1328, UFR Sciences et Techniques, Université d'Orléans, Orléans, France
| | - Xi-Miao Hou
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Stephane Rety
- Université de Lyon, ENS de Lyon, Université Claude Bernard, CNRS UMR 5239, INSERM U1210, LBMC, 46 allée d'Italie, Site Jacques Monod, 69007 Lyon, France.
| | - Xu-Guang Xi
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, China; Université Paris-Saclay, ENS Paris-Saclay, CNRS, LBPA, 91190 Gif-sur-Yvette, France.
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Li HW, Qi SG, Wang SS, Yang SS, Chen SM, Li RR, Li XH, Liu SH, Yang JH, Li HH, Bao YH, Shi YT, Wang ZH, He Y, Liu M. [Effects of cognition-related lifestyles on early cognitive decline in community older adults in China]. Zhonghua Liu Xing Bing Xue Za Zhi 2024; 45:63-70. [PMID: 38228526 DOI: 10.3760/cma.j.cn112338-20230518-00310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Objective: To investigate the distribution characteristics of cognition-related lifestyles of elderly in communities and explore the integrated effects on early cognitive decline. Methods: The participants were from the Project of Prevention and Intervention of Neurodegenerative Disease for Elderly in China. A total of 2 537 older adults aged ≥60 years without dementia in the 2015 baseline survey and the 2017 follow-up survey were included. The information about their cognition-related lifestyles, including physical exercise, social interaction, leisure activity, sleep quality, smoking status, and alcohol consumption, were collected through questionnaire survey and the integrated scores were calculated. Multivariate logistic regression analysis was used to assess the association between integrated cognition-related lifestyle score and early cognitive decline. Results: In the 2 537 older adults surveyed, 28.7% had score of 5-6, while only 4.8% had high scores for all 6 healthy lifestyles. Significant differences in healthy lifestyle factor distributions were observed between men and women. Multivariate logistic regression model showed that the risks for early cognitive decline in the older adults who had lifestyle score of 4 and 5-6 were lower than that in those with lifestyle score of 0-3 (OR=0.683, 95%CI: 0.457-1.019; OR=0.623, 95%CI: 0.398-0.976; trend P=0.030). In the women, the risks for early cognitive decline was lower in groups with score of 4 and 5-6 than in group with score of 0-3 (OR=0.491, 95%CI: 0.297-0.812; OR=0.556, 95%CI: 0.332-0.929; trend P=0.024). Conclusion: Cognition-related healthy lifestyles are associated with significantly lower risk for early cognitive decline in the elderly, especially in women.
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Affiliation(s)
- H W Li
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - S G Qi
- National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - S S Wang
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - S S Yang
- Department of Disease Prevention and Control, the First Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - S M Chen
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - R R Li
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - X H Li
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - S H Liu
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - J H Yang
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China Department of anti Nuclear, Biological and Chemical medicine, Graduate School, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - H H Li
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Y H Bao
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Y T Shi
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China Department of anti Nuclear, Biological and Chemical medicine, Graduate School, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Z H Wang
- National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Y He
- Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatric Diseases, Second Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China State Key Laboratory of Kidney Diseases, Beijing 100853, China
| | - M Liu
- Department of anti Nuclear, Biological and Chemical medicine, Graduate School, Chinese People's Liberation Army General Hospital, Beijing 100853, China
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Fong PY, Tay ZY, Soh RY, Fook SMC, Li HH, Phua CQ. Should mild obstructive sleep apnoea be treated? A systematic review from the standpoint of disease progression. J Laryngol Otol 2023; 137:828-839. [PMID: 36380495 DOI: 10.1017/s0022215122002419] [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: 11/18/2022]
Abstract
OBJECTIVE This study was a systematic review to investigate the progression of untreated obstructive sleep apnoea in order to evaluate whether mild obstructive sleep apnoea should be treated from the standpoint of disease progression. METHOD The database search study outcomes that were collected included Apnea Hypopnea Index and Respiratory Disturbance Index. A meta-analysis of obstructive sleep apnoea severity over time intervals was performed. RESULTS A total of 17 longitudinal studies and 1 randomised, controlled trial were included for review. For patients with mild obstructive sleep apnoea, mean pre-study and post-study Apnea Hypopnea Index was 5.21 and 8.03, respectively, over a median interval of 53.1 months. In patients with moderate to severe obstructive sleep apnoea, mean pre-study and post-study Apnea Hypopnea Index was 28.9 and 30.3, respectively, over a median interval of 57.8 months. Predictors for disease progression in mild obstructive sleep apnoea are patients aged less than 60 years and those with a baseline body mass index less than 25. CONCLUSION Mild obstructive sleep apnoea progression is observed, but it does not appear to reach any clinically significant progression to moderate or severe obstructive sleep apnoea.
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Affiliation(s)
- P Y Fong
- Department of Otolaryngology, Sengkang General Hospital, Singapore
| | - Z Y Tay
- Department of Otolaryngology, Sengkang General Hospital, Singapore
| | - R Y Soh
- Sleep Medicine Unit, Sengkang General Hospital, Singapore
| | - S M C Fook
- Health Science Research Unit, Singapore General Hospital, Singapore
| | - H H Li
- Health Science Research Unit, Singapore General Hospital, Singapore
| | - C Q Phua
- Department of Otolaryngology, Sengkang General Hospital, Singapore
- Sleep Medicine Unit, Sengkang General Hospital, Singapore
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Zhang S, Huang XP, Li HH, Chen ZT. Epstein-Barr virus-associated poorly differentiated nasopharyngeal adenocarcinoma: a case report and literature review. J Int Med Res 2023; 51:3000605231173839. [PMID: 37203382 DOI: 10.1177/03000605231173839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
Abstract
Primary Epstein-Barr virus (EBV)-associated poorly differentiated nasopharyngeal adenocarcinoma (NAC) is an extremely rare tumor. In this study, we report a case of EBV-associated poorly differentiated NAC in a 35-year-old man who presented with a clogging sensation in the right ear for 1 month. The first biopsy of the nasopharynx was suggestive of nonkeratinizing carcinoma with weak positivity for CK5/6 and p63. Based on magnetic resonance imaging of the nasopharynx and neck, chest computed tomography, abdominal ultrasound, and whole-body bone scan, the patient was diagnosed with T3N2M0 disease. After the patient received neoadjuvant chemotherapy, concurrent chemoradiotherapy, and adjuvant chemotherapy, partial remission was observed. However, reassessment after 7 months of treatment revealed tumor enlargement. Transnasal endoscopic resection was performed to remove the nasopharyngeal tumor. The postoperative immunostaining results were as follows: CK5/6 (-), p63 (-), MOC31 (+), and Ber-EP4 (+). Meanwhile, EBV-encoded RNA in situ hybridization was positive. A final diagnosis of EBV-associated poorly differentiated NAC was made. Then, the patient received chemotherapy and irradiation but died several months later because of disease progression. Our patient presented with highly malignant EBV-associated poorly differentiated NAC insensitive to chemoradiotherapy with a short survival time of 27 months.
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Affiliation(s)
- Shuai Zhang
- Department of Radiation Oncology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Xiao-Peng Huang
- Department of Radiation Oncology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Hai-Hong Li
- Department of Pathology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Ze-Tan Chen
- Department of Radiation Oncology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
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9
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Zhang L, Hou CX, Li HH. Letter to the Editor on "Modified moist occlusive burn therapy may be a superior therapy for severe thermal burns". Burns 2023; 49:480-481. [PMID: 36336503 DOI: 10.1016/j.burns.2022.08.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Li Zhang
- Department of Pharmacy, Changzhi People's Hospital, Changzhi Medical College, Changzhi 046000, Shanxi, China
| | - Chun-Xia Hou
- Department of Pharmacy, Changzhi People's Hospital, Changzhi Medical College, Changzhi 046000, Shanxi, China.
| | - Hai-Hong Li
- Drug Clinical Trial Institution, Changzhi People's Hospital, Changzhi Medical College, Changzhi 046000, Shanxi, China.
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10
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Chen H, Huang HB, Li HH, Zhao SZ, Wang LD, Zhang J, Zhong SL, Lao CF, Cao LM, He CT. Self-Supporting Co/CeO 2 Heterostructures for Ampere-Level Current Density Alkaline Water Electrolysis. Inorg Chem 2023; 62:3297-3304. [PMID: 36758163 DOI: 10.1021/acs.inorgchem.2c04525] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Remodeling the active surface through fabricating heterostructures can substantially enhance alkaline water electrolysis driven by renewable electrical energy. However, there are still great challenges in the synthesis of highly reactive and robust heterostructures to achieve both ampere-level current density hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). Herein, we report a new Co/CeO2 heterojunction self-supported electrode for sustainable overall water splitting. The self-supporting Co/CeO2 heterostructures required only low overpotentials of 31.9 ± 2.2, 253.3 ± 2.7, and 316.7 ± 3 mV for HER and 214.1 ± 1.4, 362.3 ± 1.9, and 400.3 ± 3.7 mV for OER at 0.01, 0.5, and 1.0 A·cm-2, respectively, being one of the best Co-based bifunctional electrodes. Electrolyzer constructed from this electrode acting as an anode and cathode merely required cell voltages of 1.92 ± 0.02 V at 1.0 A·cm-2 for overall water splitting. Multiple characterization techniques combined with density functional theory calculations disclosed the different active sites on the anode and cathode, and the charge redistributions on the heterointerfaces that can optimize the adsorption of H and oxygen-containing intermediates, respectively. This study presents the tremendous prospective of self-supporting heterostructures for effective and economical overall water splitting.
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Affiliation(s)
- Hao Chen
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Hui-Bin Huang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Hai-Hong Li
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Shui-Zhong Zhao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Li-Dong Wang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Jia Zhang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Sheng-Liang Zhong
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Cheng-Feng Lao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Li-Ming Cao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Chun-Ting He
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
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11
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Cao LM, Hu CG, Li HH, Huang HB, Ding LW, Zhang J, Wu JX, Du ZY, He CT, Chen XM. Molecule-Enhanced Electrocatalysis of Sustainable Oxygen Evolution Using Organoselenium Functionalized Metal-Organic Nanosheets. J Am Chem Soc 2023; 145:1144-1154. [PMID: 36538569 DOI: 10.1021/jacs.2c10823] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Remolding the reactivity of metal active sites is critical to facilitate renewable electricity-powered water electrolysis. Doping heteroatoms, such as Se, into a metal crystal lattice has been considered an effective approach, yet usually suffers from loss of functional heteroatoms during harsh electrocatalytic conditions, thus leading to the gradual inactivation of the catalysts. Here, we report a new heteroatom-containing molecule-enhanced strategy toward sustainable oxygen evolution improvement. An organoselenium ligand, bis(3,5-dimethyl-1H-pyrazol-4-yl)selenide containing robust C-Se-C covalent bonds equipped in the precatalyst of ultrathin metal-organic nanosheets Co-SeMON, is revealed to significantly enhance the catalytic mass activity of the cobalt site by 25 times, as well as extend the catalyst operation time in alkaline conditions by 1 or 2 orders of magnitude compared with these reported metal selenides. A combination of various in situ/ex situ spectroscopic techniques, ab initio molecular dynamics, and density functional theory calculations unveiled the organoselenium intensified mechanism, in which the nonclassical bonding of Se to O-containing intermediates endows adsorption-energy regulation beyond the conventional scaling relationship. Our results showcase the great potential of molecule-enhanced catalysts for highly efficient and economical water oxidation.
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Affiliation(s)
- Li-Ming Cao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Chang-Guo Hu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Hai-Hong Li
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Hui-Bin Huang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Li-Wen Ding
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Jia Zhang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Jun-Xi Wu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Zi-Yi Du
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Chun-Ting He
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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12
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Wei Q, Liu X, Su JL, Wang YX, Chu ZQ, Ma K, Huang QL, Li HH, Fu XB, Zhang CP. Small extracellular vesicles from mesenchymal stem cells: A potential Weapon for chronic non-healing wound treatment. Front Bioeng Biotechnol 2023; 10:1083459. [PMID: 36704302 PMCID: PMC9872203 DOI: 10.3389/fbioe.2022.1083459] [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: 11/01/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023] Open
Abstract
Chronic non-healing wounds have posed a severe threat to patients mentally and physically. Behavior dysregulation of remaining cells at wound sites is recognized as the chief culprit to destroy healing process and hinders wound healing. Therefore, regulating and restoring normal cellular behavior is the core of chronic non-healing wound treatment. In recent years, the therapy with mesenchymal stem cells (MSCs) has become a promising option for chronic wound healing and the efficacy has increasingly been attributed to their exocrine functions. Small extracellular vesicles derived from MSCs (MSC-sEVs) are reported to benefit almost all stages of wound healing by regulating the cellular behavior to participate in the process of inflammatory response, angiogenesis, re-epithelization, and scarless healing. Here, we describe the characteristics of MSC-sEVs and discuss their therapeutic potential in chronic wound treatment. Additionally, we also provide an overview of the application avenues of MSC-sEVs in wound treatment. Finally, we summarize strategies for large-scale production and engineering of MSC-sEVs. This review may possibly provide meaningful guidance for chronic wound treatment with MSC-sEVs.
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Affiliation(s)
- Qian Wei
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Xi Liu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Jian-Long Su
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Ya-Xi Wang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Zi-Qiang Chu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Kui Ma
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China,Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Research Unit of Trauma Care, Beijing, China,PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, China
| | - Qi-Lin Huang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China
| | - Hai-Hong Li
- Department of Wound Repair, Institute of Wound Repair and Regeneration Medicine, Southern University of Science and Technology Hospital, Southern University of Science and Technology School of Medicine, Shenzhen, China,*Correspondence: Cui-Ping Zhang, ; Hai-Hong Li, ; Xiao-Bing Fu,
| | - Xiao-Bing Fu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China,Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Research Unit of Trauma Care, Beijing, China,PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, China,*Correspondence: Cui-Ping Zhang, ; Hai-Hong Li, ; Xiao-Bing Fu,
| | - Cui-Ping Zhang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and the 4th Medical Center of Chinese, PLA General Hospital, Beijing, China,Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Research Unit of Trauma Care, Beijing, China,PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, China,*Correspondence: Cui-Ping Zhang, ; Hai-Hong Li, ; Xiao-Bing Fu,
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13
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Zhang L, Hou CX, Li HH. Letter to the editor on 'electrical flash burns due to switchboard explosion'. Int Wound J 2023; 20:225-226. [PMID: 36433640 PMCID: PMC9797911 DOI: 10.1111/iwj.14038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 11/17/2022] [Indexed: 11/27/2022] Open
Affiliation(s)
- Li Zhang
- Department of Pharmacy, Changzhi People's Hospital, Changzhi Medical College, Changzhi, China
| | - Chun-Xia Hou
- Department of Pharmacy, Changzhi People's Hospital, Changzhi Medical College, Changzhi, China
| | - Hai-Hong Li
- Drug Clinical Trial Institution, Changzhi People's Hospital, Changzhi Medical College, Changzhi, China
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14
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Liu JJ, Xu XX, Sun LJ, Yuan CX, Kaneko K, Sun Y, Liang PF, Wu HY, Shi GZ, Lin CJ, Lee J, Wang SM, Qi C, Li JG, Li HH, Xayavong L, Li ZH, Li PJ, Yang YY, Jian H, Gao YF, Fan R, Zha SX, Dai FC, Zhu HF, Li JH, Chang ZF, Qin SL, Zhang ZZ, Cai BS, Chen RF, Wang JS, Wang DX, Wang K, Duan FF, Lam YH, Ma P, Gao ZH, Hu Q, Bai Z, Ma JB, Wang JG, Wu CG, Luo DW, Jiang Y, Liu Y, Hou DS, Li R, Ma NR, Ma WH, Yu GM, Patel D, Jin SY, Wang YF, Yu YC, Hu LY, Wang X, Zang HL, Wang KL, Ding B, Zhao QQ, Yang L, Wen PW, Yang F, Jia HM, Zhang GL, Pan M, Wang XY, Sun HH, Xu HS, Zhou XH, Zhang YH, Hu ZG, Wang M, Liu ML, Ong HJ, Yang WQ. Observation of a Strongly Isospin-Mixed Doublet in ^{26}Si via β-Delayed Two-Proton Decay of ^{26}P. Phys Rev Lett 2022; 129:242502. [PMID: 36563237 DOI: 10.1103/physrevlett.129.242502] [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: 07/31/2022] [Revised: 10/10/2022] [Accepted: 11/03/2022] [Indexed: 06/17/2023]
Abstract
β decay of proton-rich nuclei plays an important role in exploring isospin mixing. The β decay of ^{26}P at the proton drip line is studied using double-sided silicon strip detectors operating in conjunction with high-purity germanium detectors. The T=2 isobaric analog state (IAS) at 13 055 keV and two new high-lying states at 13 380 and 11 912 keV in ^{26}Si are unambiguously identified through β-delayed two-proton emission (β2p). Angular correlations of two protons emitted from ^{26}Si excited states populated by ^{26}P β decay are measured, which suggests that the two protons are emitted mainly sequentially. We report the first observation of a strongly isospin-mixed doublet that deexcites mainly via two-proton decay. The isospin mixing matrix element between the ^{26}Si IAS and the nearby 13 380-keV state is determined to be 130(21) keV, and this result represents the strongest mixing, highest excitation energy, and largest level spacing of a doublet ever observed in β-decay experiments.
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Affiliation(s)
- J J Liu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - X X Xu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Department of Physics, The University of Hong Kong, Hong Kong, China
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - L J Sun
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - C X Yuan
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - K Kaneko
- Department of Physics, Kyushu Sangyo University, Fukuoka 813-8503, Japan
| | - Y Sun
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - P F Liang
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - H Y Wu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - G Z Shi
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - C J Lin
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- College of Physics and Technology & Guangxi Key Laboratory of Nuclear Physics and Technology, Guangxi Normal University, Guilin 541004, China
| | - J Lee
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - S M Wang
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
- Shanghai Research Center for Theoretical Nuclear Physics, NSFC and Fudan University, Shanghai 200438, China
| | - C Qi
- KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden
| | - J G Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - H H Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Latsamy Xayavong
- Department of Physics, Faculty of Natural Sciences, National University of Laos, Vientiane 01080, Laos
| | - Z H Li
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - P J Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Y Y Yang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - H Jian
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Y F Gao
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - R Fan
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - S X Zha
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - F C Dai
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - H F Zhu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - J H Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Z F Chang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - S L Qin
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Z Z Zhang
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - B S Cai
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - R F Chen
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J S Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- College of Science, Huzhou University, Huzhou 313000, China
| | - D X Wang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - K Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - F F Duan
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Y H Lam
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - P Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Z H Gao
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Q Hu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Z Bai
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J B Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J G Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - C G Wu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - D W Luo
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Y Jiang
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Y Liu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - D S Hou
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - R Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - N R Ma
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - W H Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
| | - G M Yu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin 150001, China
| | - D Patel
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Department of Physics, Sardar Vallabhbhai National Institute of Technology, Surat 395007, India
| | - S Y Jin
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Y F Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Physics and Astronomy, Yunnan University, Kunming 650091, China
| | - Y C Yu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Physics and Astronomy, Yunnan University, Kunming 650091, China
| | - L Y Hu
- Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin 150001, China
| | - X Wang
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - H L Zang
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - K L Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - B Ding
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Q Q Zhao
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - L Yang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - P W Wen
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - F Yang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - H M Jia
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - G L Zhang
- School of Physics, Beihang University, Beijing 100191, China
| | - M Pan
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Physics, Beihang University, Beijing 100191, China
| | - X Y Wang
- School of Physics, Beihang University, Beijing 100191, China
| | - H H Sun
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - H S Xu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - X H Zhou
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - Y H Zhang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - Z G Hu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - M Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - M L Liu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - H J Ong
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- RCNP, Osaka University, Osaka 567-0047, Japan
| | - W Q Yang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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15
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Liu XG, Chen L, Li HH, Hu YK, Xiong YH, Huang W, Su SS, Qi SH. [Research advances on the application of natural and recombinant collagen in wound repair]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2022; 38:978-982. [PMID: 36299212 DOI: 10.3760/cma.j.cn501120-20211123-00394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Collagen is a macromolecular protein constituting the extracellular matrix of animal connective tissue, which has been widely used and developed in fields of biomedicine, tissue engineering, food, and cosmetics. Due to its advantages such as abundant sources and good biocompatibility, low immunogenicity, and degradability, collagen can be used as a dressing or tissue engineering scaffold for wound repair. According to the source of materials, collagen can be divided into natural collagen and recombinant collagen. Natural collagen is mainly extracted directly from mammals and fish; recombinant collagen is obtained based on genetic engineering technology, and its sources include recombinant expression systems of microorganisms, animals, and plants. This paper summarizes the sources of collagen, and the roles, advantages, and disadvantages of different sources of collagen in wound repair, the particularity and superiority of collagen combined with three-dimensional printing technology in wound repair, the impact of market norms of China's collagen industry on the field of wound repair, and explains the precautions for the development of collagen-related products, aiming to provide new ideas for selecting a suitable source of collagen for wound repair.
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Affiliation(s)
- X G Liu
- Department of Burn and Wound Repair, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510062, China
| | - L Chen
- Department of Burn and Wound Repair, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510062, China
| | - H H Li
- School of Biomedical Engineering, Sichuan University, Chengdu 610065, China
| | - Y K Hu
- Department of Burn and Wound Repair, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510062, China
| | - Y H Xiong
- Department of Burn and Wound Repair, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510062, China
| | - W Huang
- Department of Burn and Wound Repair, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510062, China
| | - S S Su
- Sun Yat-sen University-Yixian Group Skin Health Precision Research Joint Laboratory, Yue Keli Skin Regeneration Laboratory, Guangzhou 510275, China
| | - S H Qi
- Department of Burn and Wound Repair, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510062, China
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16
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Li HH, Liu HZ, Li QL, Bi RY, Zhu SS. [A comparative study of the upper airway changes of idiopathic condylar resorption and anterior open bite patients after bilateral temporomandibular joint prostheses surgery and bimaxillary orthognathic surgery]. Zhonghua Kou Qiang Yi Xue Za Zhi 2022; 57:708-715. [PMID: 35790510 DOI: 10.3760/cma.j.cn112144-20220401-00150] [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] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To evaluate the 2-dimension and 3-dimension changes of upper airway of patients who were diagnosed with idiopathic condylar resorption (ICR) and anterior open bite as well as received bilateral temporomandibular joint (TMJ) prostheses replacement or bimaxillary orthognathic surgery. Methods: This study is a retrospective study. Seventeen patients diagnosed as ICR and anterior open bite in Department of Orthognathic and TMJ surgery, West China Hospital of Sichuan University were selected (January 2018 to December 2021) and divided into bilateral TMJ protheses replacement group (group R, n=8) and orthognathic group (group O, n=9), according to which surgery they have performed. In order to compare variation of upper airway before and after surgery in different dimensions and sections within the same group or between groups, Spiral computed tomography data were obtained before (1 month) and after operation (10 to 12 months) to measure the total volume of airway (VT), the maximum sagittal area (MSA), the maximum cross-sectional area (MACA), the minimum cross-sectional area (MICA), the area of the most posterior plane(PPA), the area of soft-palate plane (SPA), the area of the most posterior point of tongue base plane (PTA), the area of the root of epiglottis plane (EA), the oropharyngeal airway volume (VO), the glossopharyngeal airway volume (VG) and the laryngeal airway volume (VL). Wilcoxon signed-rank test were used to complete statistical analyses for VO (T2),SPA (T2),ΔMSA,ΔMACA in group R as well as PTA (T1),EA (T2) in group O. Statistical analyses of other items were performed with student's t test. Results: VT, VO, VG, VL, MSA, MACA, MIC, PPA, PTA and EA of group R (T2) were significantly increased after TMJ prosthesis with Lefort I osteotomy (P<0.05). Meanwhile the VT, VO, VG, MSA, MACA, MICA, PPA and SPA of group O (T2) were significantly increased (P<0.05). There were significant difference in ΔVT and ΔVL between group R [(6 854.80±3 197.82) mm3, (2 252.85±1 527.96) mm3] and group O [(3 367.91±3 124.62) mm3, (413.21±1 244.44) mm3](t=2.27, P=0.038; t=2.74, P=0.015). Conclusions: Bilateral temporomandibular joint (TMJ) prostheses replacement and bimaxillary orthognathic surgery can both enlarge the areas and volumes of upper airway in patients who suffer from ICR and anterior open bite. Compared with bimaxillary orthognathic surgery, bilateral temporomandibular joint prostheses replacement plays a more pronounced role in enlargement and reconstruction of middle-inferior section of upper airway.
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Affiliation(s)
- H H Li
- Department of Orthognathic and Temporomandibular Joint Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - H Z Liu
- Department of Orthognathic and Temporomandibular Joint Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - Q L Li
- Department of Orthognathic and Temporomandibular Joint Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - R Y Bi
- Department of Orthognathic and Temporomandibular Joint Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - S S Zhu
- Department of Orthognathic and Temporomandibular Joint Surgery, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
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17
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Qi P, Chen YK, Cui RL, Heng RJ, Xu S, He XY, Yue AM, Kang JK, Li HH, Zhu YX, Wang C, Chen YL, Hu K, Yin YY, Xuan LX, Song Y. [Overexpression of NAT10 induced platinum drugs resistance in breast cancer cell]. Zhonghua Zhong Liu Za Zhi 2022; 44:540-549. [PMID: 35754228 DOI: 10.3760/cma.j.cn112152-20211231-00986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To observe the platinum drugs resistance effect of N-acetyltransferase 10 (NAT10) overexpression in breast cancer cell line and elucidate the underlining mechanisms. Methods: The experiment was divided into wild-type (MCF-7 wild-type cells without any treatment) group, NAT10 overexpression group (H-NAT10 plasmid transfected into MCF-7 cells) and NAT10 knockdown group (SH-NAT10 plasmid transfected into MCF-7 cells). The invasion was detected by Transwell array, the interaction between NAT10 and PARP1 was detected by co-immunoprecipitation. The impact of NAT10 overexpression or knockdown on the acetylation level of PARP1 and its half-life was also determined. Immunostaining and IP array were used to detect the recruitment of DNA damage repair protein by acetylated PARP1. Flow cytometry was used to detect the cell apoptosis. Results: Transwell invasion assay showed that the number of cell invasion was 483.00±46.90 in the NAT10 overexpression group, 469.00±40.50 in the NAT10 knockdown group, and 445.00±35.50 in the MCF-7 wild-type cells, and the differences were not statistically significant (P>0.05). In the presence of 10 μmol/L oxaliplatin, the number of cell invasion was 502.00±45.60 in the NAT10 overexpression group and 105.00±20.50 in the NAT10 knockdown group, both statistically significant (P<0.05) compared with 219.00±31.50 in wild-type cells. In the presence of 10 μmol/L oxaliplatin, NAT10 overexpression enhanced the binding of PARP1 to NAT10 compared with wild-type cells, whereas the use of the NAT10 inhibitor Remodelin inhibited the mutual binding of the two. Overexpression of NAT10 induced PARP1 acetylation followed by increased PARP1 binding to XRCC1, and knockdown of NAT10 expression reduced PARP1 binding to XRCC1. Overexpression of NAT10 enhanced PARP1 binding to LIG3, while knockdown of NAT10 expression decreased PARP1 binding to LIG3. In 10 μmol/L oxaliplatin-treated cells, the γH2AX expression level was 0.38±0.02 in NAT10 overexpressing cells and 1.36±0.15 in NAT10 knockdown cells, both statistically significant (P<0.05) compared with 1.00±0.00 in wild-type cells. In 10 μmol/L oxaliplatin treated cells, the apoptosis rate was (6.54±0.68)% in the NAT10 overexpression group and (12.98±2.54)% in the NAT10 knockdown group, both of which were statistically significant (P<0.05) compared with (9.67±0.37)% in wild-type cells. Conclusion: NAT10 overexpression enhances the binding of NAT10 to PARP1 and promotes the acetylation of PARP1, which in turn prolongs the half-life of PARP1, thus enhancing PARP1 recruitment of DNA damage repair related proteins to the damage sites, promoting DNA damage repair and ultimately the survival of breast cancer cells.
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Affiliation(s)
- P Qi
- Department of Head and Neck Breast, Xinxiang Central Hospital, the Fourth Affiliated Hospital of Xinxiang Medical College, Xinxiang 453000, China
| | - Y K Chen
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - R L Cui
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - R J Heng
- Department of Head and Neck Breast, Xinxiang Central Hospital, the Fourth Affiliated Hospital of Xinxiang Medical College, Xinxiang 453000, China
| | - S Xu
- Department of Head and Neck Breast, Xinxiang Central Hospital, the Fourth Affiliated Hospital of Xinxiang Medical College, Xinxiang 453000, China
| | - X Y He
- Department of Head and Neck Breast, Xinxiang Central Hospital, the Fourth Affiliated Hospital of Xinxiang Medical College, Xinxiang 453000, China
| | - A M Yue
- Department of Head and Neck Breast, Xinxiang Central Hospital, the Fourth Affiliated Hospital of Xinxiang Medical College, Xinxiang 453000, China
| | - J K Kang
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - H H Li
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - Y X Zhu
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - C Wang
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - Y L Chen
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - K Hu
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - Y Y Yin
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
| | - L X Xuan
- Department of Breast, National Cancer Center/ National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences &Peking Union Medical College, Beijing 100021, China
| | - Y Song
- College of Pharmacology, Xinxiang Medical University, Xinxiang 453000, China
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Li HH, Zhu H, Wang YP, Zhan HW, Li JF, Wang LH, Wang QY, Ma QC, Liu CH, Jiang J, Tian Z, Pan XH. [A case report of cardiac amyloidosis diagnosed by myocardial biopsy guided by intracardiac ultrasound]. Zhonghua Xin Xue Guan Bing Za Zhi 2022; 50:75-77. [PMID: 35045619 DOI: 10.3760/cma.j.cn112148-20211202-01039] [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] [Indexed: 06/14/2023]
Affiliation(s)
- H H Li
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - H Zhu
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Y P Wang
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - H W Zhan
- Department of Nuclear Medicine, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - J F Li
- Department of Pathology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - L H Wang
- Department of Radiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Q Y Wang
- Department of Radiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Q C Ma
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - C H Liu
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - J Jiang
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Z Tian
- Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - X H Pan
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
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Deng H, Cui H, Cao B, Liu GB, Song LQ, Li HH, Zhao RY, Chen L, Wei B. [Analysis of influence factors for short-term recurrence of retroperitoneal liposarcoma after complete resection]. Zhonghua Wai Ke Za Zhi 2022; 60:52-56. [PMID: 34954947 DOI: 10.3760/cma.j.cn112139-20210401-00154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To examine the influence factors of short-term recurrence after complete surgical resection of retroperitoneal liposarcoma. Methods: The clinicopathological data of retroperitoneal liposarcoma at Department of General Surgery, the First Medical Center, People's Liberation Army General Hospital from January 1, 2000 to January 31, 2020 were retrospectively analyzed. There were 60 males and 31 females, aged (52.1±9.9) years (range: 30 to 84 years). Tumor recurrence within 12 months after complete resection was defined as short-term recurrence, and tumor recurrence more than 12 months was defined as non-short-term recurrence. The t test, rank-sum test, χ2 test and Fisher exact test were conducted for inter-group comparison. Logistic regression analysis was used to analyze the independent influence factors for the short-term recurrence of retroperitoneal liposarcoma after complete resection. The Kaplan-Meier curve was used to calculate the recurrence-free survival, and the Log-rank test was adopted for the comparison between the groups. Results: The univariate analysis results showed that irregular tumor morphology, multiple pathological subtypes, pathological scores>3, and multiple primary tumors are influence factors for short-term recurrence after complete resection of retroperitoneal liposarcoma (χ2: 4.422 to 7.773, all P<0.05). Regression analysis of the above risk factors showed that multiple primary tumors was the independent risk factor (OR=2.918, 95%CI: 1.127 to 7.556, P=0.027). In the short-term recurrence group, Kaplan-Meier curve analysis showed that patients with multiple primary tumors had a shorter median recurrence time than patients with unifocal tumor (6 months vs. 9 months, P=0.028). Conclusions: Multiple primary tumor is an independent risk factor for short-term recurrence after complete resection of retroperitoneal liposarcoma. It suggests that the frequency of follow-up after surgery should be increased for such patients.
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Affiliation(s)
- H Deng
- Medical School of People's Liberation Army, Beijing 100853, China
| | - H Cui
- Department of General Surgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - B Cao
- Medical School of People's Liberation Army, Beijing 100853, China
| | - G B Liu
- Department of General Surgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - L Q Song
- Department of General Surgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - H H Li
- Medical School of People's Liberation Army, Beijing 100853, China
| | - R Y Zhao
- Medical School of People's Liberation Army, Beijing 100853, China
| | - L Chen
- Department of General Surgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - B Wei
- Department of General Surgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
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20
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Mao X, Hong J, Wu YX, Zhang Q, Liu J, Zhao L, Li HH, Wang YY, Zhang K. An Efficient Strategy for Reinforcing Flexible Ceramic Membranes. Nano Lett 2021; 21:9419-9425. [PMID: 34729985 DOI: 10.1021/acs.nanolett.1c02657] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Herein, we present a facile reinforcement method for the large-scale fabrication of highly flexible, mechanically stable, temperature-resistant ceramic lightweight membranes based on the cross-linked assembly of zirconia-silica (ZrO2-SiO2) nanofibrous and montmorillonite (MMT) nanosheets through electrospinning and a subsequent calcination process. The resulting MMT@ZrO2-SiO2 membranes exhibit high flexibility with a bending rigidity of 0.2 cN mm-1, robust mechanical performance with a tensile strength of up to 1.83 MPa, robust fire resistance, and temperature-invariant mechanical stability from -196 to 1000 °C. The thermal superinsulation with a thermal conductivity as low as 0.026 W m-1 K-1 and the improved mechanical strength can be attributed to the cross-linked interfacial interaction between the ZrO2-SiO2 nanofibers and the MMT nanosheets. Additionally, a firefighter uniform with MMT@ZrO2-SiO2 membranes inside features a superior thermal protective property up to the A2 level (combined flame and radiant exposure) and an excellent fire resistance of up to 1000 °C, which is ideal for next-generation firefighter uniform manufacturing.
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Affiliation(s)
- Xue Mao
- Xi'an Polytechnic University, Xi'an 710048, P. R. China
| | - Jie Hong
- Xi'an Polytechnic University, Xi'an 710048, P. R. China
| | - Yue-Xia Wu
- Xi'an Polytechnic University, Xi'an 710048, P. R. China
| | - Qing Zhang
- Xi'an Polytechnic University, Xi'an 710048, P. R. China
| | - Jia Liu
- Xi'an Polytechnic University, Xi'an 710048, P. R. China
| | - Li Zhao
- Xi'an Polytechnic University, Xi'an 710048, P. R. China
| | - Hai-Hong Li
- School of Environmental and Chemical Engineering, Xi'an Polytechnic University, Xi'an 710048, P. R. China
| | - Yao-Yu Wang
- College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Kun Zhang
- Xi'an Polytechnic University, Xi'an 710048, P. R. China
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21
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Li HH, Xu XJ. [Treatment advances in pediatric relapsed and refractory Langerhans cell histiocytosis]. Zhonghua Er Ke Za Zhi 2021; 59:993-996. [PMID: 34711040 DOI: 10.3760/cma.j.cn112140-20210421-00331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- H H Li
- Department of Hematology-Oncology, the Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - X J Xu
- Department of Hematology-Oncology, the Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
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Mohamed Afif A, Anthony APM, Jamaruddin S, Su'aidi SU, Li HH, Low ASC, Cheong EHT. Diagnostic accuracy of Doppler ultrasound for detecting hepatic artery stenosis after liver transplantation. Clin Radiol 2021; 76:708.e19-708.e25. [PMID: 33902885 DOI: 10.1016/j.crad.2021.02.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 02/17/2021] [Indexed: 12/25/2022]
Abstract
AIM To evaluate the diagnostic accuracy of Doppler ultrasound (DUS) in detecting hepatic artery stenosis (HAS) after liver transplantation using computed tomography angiography (CTA) as the reference standard. MATERIALS AND METHODS This study included data from January 2005 to November 2017, where DUS of the hepatic artery of living and deceased donor liver grafts were compared with the reference standard, CTA. DUS parameters, such as intrahepatic artery (IHA) peak systolic velocity (PSV), resistive index (RI), systolic acceleration time (SAT); and extrahepatic artery (EHA) PSV were taken. The optimum cut-off was estimated using area under the receiver operating characteristic curve (AUC). Multivariable logistic regression analysis was developed to predict HAS. RESULTS Ninety-nine liver transplant cases were retrieved, 50 met the inclusion criteria where nine patients had significant HAS. HAS patients had a significantly low IHAPSV with a cut-off of 35.1 cm/s (sensitivity 53.8%, specificity 78.4%, AUC 0.701). IHARI had a significantly low RI with a cut-off 0.585 (sensitivity 86.7%, specificity 85.4%, AUC 0.913). The IHASAT cut-off was 0.045 seconds (sensitivity 80%, specificity 91.4%, AUC 0.857). The EHAPSV cut-off was 197.4 cm/s (sensitivity 50%, specificity 99.1%, AUC 0.648). The prediction model using DUS parameters IHARI and IHASAT demonstrated good discrimination with an AUC of 0.930 (95% CI: 0.843, 1.000; sensitivity 93.3%, specificity 88%). CONCLUSION A prediction model using the DUS parameters IHARI and IHASAT showed good diagnostic accuracy of 88.6% for monitoring liver transplant patients. If validated externally, this DUS model could be utilised to diagnose HAS in liver transplant recipients.
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Affiliation(s)
- A Mohamed Afif
- Department of Diagnostic Radiology, Singapore General Hospital, Singapore.
| | - A P M Anthony
- Department of Diagnostic Radiology, Singapore General Hospital, Singapore
| | - S Jamaruddin
- Department of Diagnostic Radiology, Singapore General Hospital, Singapore
| | - S U Su'aidi
- Department of Diagnostic Radiology, Singapore General Hospital, Singapore
| | - H H Li
- Department of Health Serviced Research Unit, Singapore General Hospital, Singapore
| | - A S C Low
- Department of Diagnostic Radiology, Singapore General Hospital, Singapore
| | - E H T Cheong
- Department of Diagnostic Radiology, Singapore General Hospital, Singapore
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Huang DD, Chen LH, Yu Z, Chen QJ, Lai JN, Li HH, Liu G. Effect of suspension training on neuromuscular function, postural control, and knee kinematics in anterior cruciate ligament reconstruction patients. World J Clin Cases 2021; 9:2247-2258. [PMID: 33869600 PMCID: PMC8026838 DOI: 10.12998/wjcc.v9.i10.2247] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/14/2020] [Accepted: 01/28/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Suspension training (SET) is a method of neuromuscular training that enables the body to carry out active training under unstable support through a suspension therapy system. However, there have been few reports in the literature on the application of SET to anterior cruciate ligament reconstruction (ACLR) patients. It is not clear what aspects of the patient's function are improved after SET.
AIM To investigate the effect of SET on the neuromuscular function, postural control, and knee kinematics of patients after ACLR surgery.
METHODS Forty participants were randomized to an SET group or a control group. The SET group subjects participated in a SET protocol over 6 wk. The control group subjects participated in a traditional training protocol over 6 wk. Isokinetic muscle strength of the quadriceps and hamstrings, static and dynamic posture stability test, and relative translation of the injured knee were assessed before and after training.
RESULTS The relative peak torque of the quadriceps and hamstrings in both groups increased significantly (P < 0.001), and the SET group increased by a higher percentage than those in the control group (quadriceps: P = 0.004; hamstrings: P = 0.011). After training, both groups showed significant improvements in static and dynamic posture stability (P < 0.01), and the SET group had a greater change than the control group (P < 0.05). No significant improvement on the relative translation of the injured knee was observed after training in either group (P > 0.05).
CONCLUSION Our findings show that SET promotes great responses in quadriceps and hamstring muscle strength and balance function in ACLR patients.
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Affiliation(s)
- Dong-Dong Huang
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, Guangdong Province, China
| | - Liang-Hua Chen
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, Guangdong Province, China
| | - Zhe Yu
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, Guangdong Province, China
| | - Quan-Jun Chen
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, Guangdong Province, China
| | - Jie-Nuan Lai
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, Guangdong Province, China
| | - Hai-Hong Li
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, Guangdong Province, China
| | - Gang Liu
- Department of Rehabilitation Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong Province, China
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Lumry WR, Weller K, Magerl M, Banerji A, Longhurst HJ, Riedl MA, Lewis HB, Lu P, Devercelli G, Jain G, Maurer M, Hébert J, Ritchie B, Sussman G, Yang WH, Martinez‐Saguer I, Staubach P, Cicardi M, Shennak M, Zaragoza‐Urdaz RH, Anderson J, Baptist AP, Bernstein JA, Boggs PB, Busse PJ, Craig T, Davis‐Lorton M, Gierer S, Gower RG, Harris D, Hong DI, Jacobs J, Johnston DT, Li HH, Lockey RF, Lugar P, Manning ME, McNeil DL, Melamed I, Mostofi T, Nickel T, Otto WR, Petrov AA, Radojicic C, Rehman SM, Schwartz LB, Shapiro R, Sher E, Smith AM, Soteres D, Tachdjian R, Wedner HJ, Weinstein ME, Zafra H. Impact of lanadelumab on health-related quality of life in patients with hereditary angioedema in the HELP study. Allergy 2021; 76:1188-1198. [PMID: 33258114 PMCID: PMC8247292 DOI: 10.1111/all.14680] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 11/01/2020] [Accepted: 11/14/2020] [Indexed: 01/20/2023]
Abstract
Background An objective of the phase 3 HELP Study was to investigate the effect of lanadelumab on health‐related quality of life (HRQoL) in patients with hereditary angioedema (HAE). Methods Patients with HAE‐1/2 received either lanadelumab 150 mg every 4 weeks (q4wks; n = 28), 300 mg q4wks (n = 29), 300 mg every 2 weeks (q2wks; n = 27), or placebo (n = 41) for 26 weeks (days 0–182). The Angioedema Quality of Life Questionnaire (AE‐QoL) was administered monthly, consisting of four domain (functioning, fatigue/mood, fears/shame, nutrition) and total scores. The generic EQ‐5D‐5L questionnaire was administered on days 0, 98, and 182. Comparisons were made between placebo and (a) all lanadelumab‐treated patients and (b) individual lanadelumab groups for changes in scores (day 0–182) and proportions achieving the minimal clinically important difference (MCID, −6) in AE‐QoL total score. Results Compared with the placebo group, the lanadelumab total group demonstrated significantly greater improvements in AE‐QoL total and domain scores (mean change, −13.0 to −29.3; p < 0.05 for all); the largest improvement was in functioning. A significantly greater proportion of the lanadelumab total group achieved the MCID (70% vs 37%; p = 0.001). The lanadelumab 300 mg q2wks group had the highest proportion (81%; p = 0.001) and was 7.2 times more likely to achieve the MCID than the placebo group. Mean EQ‐5D‐5L scores at day 0 were high in all groups, indicating low impairment, with no significant changes at day 182. Conclusion Patients with HAE‐1/2 experienced significant and clinically meaningful improvements in HRQoL measured by AE‐QoL following lanadelumab treatment in the HELP Study.
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Affiliation(s)
- William R. Lumry
- Allergy Asthma Research Associates Research Center Dallas TX USA
| | - Karsten Weller
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
| | - Markus Magerl
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
| | - Aleena Banerji
- Division of Rheumatology, Allergy and Immunology Massachusetts General HospitalHarvard Medical School Boston MA USA
| | - Hilary J. Longhurst
- Addenbrooke’s Hospital Cambridge University Hospitals NHS Foundation TrustCambridge, and University College London Hospitals London UK
| | - Marc A. Riedl
- Division of Rheumatology Allergy & Immunology University of California San Diego La Jolla CA USA
| | | | - Peng Lu
- Takeda Pharmaceutical Company Limited Lexington MA USA
| | | | - Gagan Jain
- Takeda Pharmaceutical Company Limited Lexington MA USA
| | - Marcus Maurer
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
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Li HH, Liu XB, Kong MJ, Gao F, Wang LH, Lin XP, Hu YH, Jiang J, Pu ZX, Zhao J, Zhou QJ, Wen CJ, Wang JA. [A case report of Impella-assisted treatment for severe aortic regurgitation during the perioperative period of transcatheter aortic valve replacement]. Zhonghua Xin Xue Guan Bing Za Zhi 2021; 49:179-181. [PMID: 33611906 DOI: 10.3760/cma.j.cn112148-20200309-00177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- H H Li
- Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - X B Liu
- Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - M J Kong
- Department of Cardiac Surgery, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - F Gao
- Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - L H Wang
- Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - X P Lin
- Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Y H Hu
- Department of Intensive Care Unit, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - J Jiang
- Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Z X Pu
- Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - J Zhao
- Department of Anesthesiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Q J Zhou
- Department of Radiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - C J Wen
- Department of Cardiovascular Intervention Center, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - J A Wang
- Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
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26
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Tang WY, Chen JM, Wang RR, Tan SL, Liu DM, Yu XY, Li HH, Zhang QF, Sheng YL, Xia WT. [Application of the Virtual Reality-Pattern Visual Evoked Potential in Forensic Visual Acuity Evaluation]. Fa Yi Xue Za Zhi 2021; 36:762-766. [PMID: 33550723 DOI: 10.12116/j.issn.1004-5619.2020.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Indexed: 11/30/2022]
Abstract
Abstract Objective To explore a kind of visual evoked potential test equipment and method that is more suitable for the application of forensic clinical visual acuity evaluation. Methods Thirty-four volunteers (68 eyes) were selected, including 15 males and 19 females, aged between 20 and 40 years. Test lenses were placed before the tested eyes of volunteers to induce refractive myopia with insert method, and the diopter lenses were adjusted so that the visual acuity level of one eye of volunteers was above 0.8, and the visual acuity of the other eye was at moderate damage level (<0.3 and ≥0.1). The tests were carried out under the binocular simultaneous asynchronous stimulation mode (hereinafter referred to as "binocular mode") and monocular separate stimulation mode (hereinafter referred to as "monocular mode") of virtual reality-pattern visual evoked potential (VR-PVEP), and the amplitude of PVEP of volunteers under the two modes was compared at four spatial frequencies of 8×8, 16×16, 24×24 and 32×32. Results The differences in the amplitude of P100 wave between monocular and binocular modes at 8×8 spatial frequency had no statistical significance and the differences in amplitude of P100 wave between monocular and binocular modes at 16×16, 24×24, and 32×32 spatial frequencies had statistical significance (P<0.05). The amplitude of the same eye in monocular mode was higher than that in binocular mode. Through correlation analysis, it was found that the amplitude of P100 wave in monocular mode was moderately correlated with amplitude of P100 wave in binocular mode. Conclusion In forensic identification practice, VR-PVEP is helpful for overcoming the disturbance of poor fixation, and to increase the reliability of PVEP evaluation results. It can greatly shorten the detection time of PVEP and improve work efficiency.
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Affiliation(s)
- W Y Tang
- Basic Medical College of Jiamusi University, Jiamusi 154007, Heilongjiang Province, China
| | - J M Chen
- Shanghai Key Laboratory of Forensic Medicine, Key Laboratory of Forensic Science, Ministry of Justice, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - R R Wang
- Shanghai NCC Electronic Corp., Ltd, Shanghai 200063, China
| | - S L Tan
- Shanghai Key Laboratory of Forensic Medicine, Key Laboratory of Forensic Science, Ministry of Justice, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - D M Liu
- Shanghai Key Laboratory of Forensic Medicine, Key Laboratory of Forensic Science, Ministry of Justice, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - X Y Yu
- Shanghai Key Laboratory of Forensic Medicine, Key Laboratory of Forensic Science, Ministry of Justice, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - H H Li
- Shanghai NCC Electronic Corp., Ltd, Shanghai 200063, China
| | - Q F Zhang
- Shanghai NCC Electronic Corp., Ltd, Shanghai 200063, China
| | - Y L Sheng
- Basic Medical College of Jiamusi University, Jiamusi 154007, Heilongjiang Province, China
| | - W T Xia
- Basic Medical College of Jiamusi University, Jiamusi 154007, Heilongjiang Province, China.,Shanghai Key Laboratory of Forensic Medicine, Key Laboratory of Forensic Science, Ministry of Justice, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
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Abstract
For the wounds caused by burns and other various reasons, the key of therapy is to close the open wounds in time by surgical operation. One of the most important methods is autologous skin grafting. However, for large area and long-term chronic trauma, the lack of autologous skin makes the treatment a huge challenge. For this reason, clinical medical workers have gradually developed miniature free skin grafting through continuous research. This paper reviews the relevant skin grafting techniques, including pinch free skin grafting, stamp free skin grafting, meek grafting, microne free skin grafting, etc.
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Affiliation(s)
- Z J Wang
- Burn Institute of PLA, Department of Burn Surgery, the First Affiliated Hospital of Naval Medical University, Research Unit of Key Techniques for Treatment of Burns and Combined Burns and Trauma Injury, Chinese Academy of Medical Sciences, Shanghai 200433, China
| | - H H Li
- Burn Institute of PLA, Department of Burn Surgery, the First Affiliated Hospital of Naval Medical University, Research Unit of Key Techniques for Treatment of Burns and Combined Burns and Trauma Injury, Chinese Academy of Medical Sciences, Shanghai 200433, China
| | - C Ben
- Burn Institute of PLA, Department of Burn Surgery, the First Affiliated Hospital of Naval Medical University, Research Unit of Key Techniques for Treatment of Burns and Combined Burns and Trauma Injury, Chinese Academy of Medical Sciences, Shanghai 200433, China
| | - H Lu
- Burn Institute of PLA, Department of Burn Surgery, the First Affiliated Hospital of Naval Medical University, Research Unit of Key Techniques for Treatment of Burns and Combined Burns and Trauma Injury, Chinese Academy of Medical Sciences, Shanghai 200433, China
| | - S H Zhu
- Burn Institute of PLA, Department of Burn Surgery, the First Affiliated Hospital of Naval Medical University, Research Unit of Key Techniques for Treatment of Burns and Combined Burns and Trauma Injury, Chinese Academy of Medical Sciences, Shanghai 200433, China
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Zhang K, Yang Z, Mao X, Chen XL, Li HH, Wang YY. Multifunctional Textiles/Metal-Organic Frameworks Composites for Efficient Ultraviolet Radiation Blocking and Noise Reduction. ACS Appl Mater Interfaces 2020; 12:55316-55323. [PMID: 33258584 DOI: 10.1021/acsami.0c18147] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [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: 06/12/2023]
Abstract
Ultraviolet radiation (UVR) and noise are the ubiquitous environmental hazards with considerable detrimental effects on the physiological and psychological health of humans. Exploiting efficient protective materials that can be extensively used in daily life for simultaneous anti-UVR and noise mitigation will be of crucial importance, but it is still a significant challenge in materials design. Herein, we developed a series of protective textiles for efficient anti-UVR and noise reduction via MOFs nanocrystal-modified cotton textiles. The formation of MOFs@cotton textiles was confirmed by using electron microscopy, X-ray diffraction, infrared spectroscopy, and X-ray photoelectron spectroscopy. The fabricated MOFs@cotton textiles exhibited substantial improvement in the UVR blocking and acoustic absorption properties compared to blank cotton textiles. Therefore, this work provides a good strategy for designing and preparing multifunctional protective textiles.
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Affiliation(s)
- Kun Zhang
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an 710048, P. R. China
- Key Laboratory of Functional Textile Material and Product (Xi'an Polytechnic University), Ministry of Education, Xi'an 710048, P. R. China
| | - Zhi Yang
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an 710048, P. R. China
- Key Laboratory of Functional Textile Material and Product (Xi'an Polytechnic University), Ministry of Education, Xi'an 710048, P. R. China
| | - Xue Mao
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an 710048, P. R. China
- Key Laboratory of Functional Textile Material and Product (Xi'an Polytechnic University), Ministry of Education, Xi'an 710048, P. R. China
| | - Xue-Li Chen
- School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510641, P. R. China
| | - Hai-Hong Li
- School of Environmental and Chemical Engineering, Xi'an Polytechnic University, Xi'an 710048, P. R. China
| | - Yao-Yu Wang
- College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
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Riedl MA, Maurer M, Bernstein JA, Banerji A, Longhurst HJ, Li HH, Lu P, Hao J, Juethner S, Lumry WR, Hébert J, Ritchie B, Sussman G, Yang WH, Escuriola Ettingshausen C, Magerl M, Martinez‐Saguer I, Maurer M, Staubach P, Zimmer S, Cicardi M, Perego F, Wu MA, Zanichelli A, Al‐Ghazawi A, Shennak M, Zaragoza‐Urdaz RH, Ghurye R, Longhurst HJ, Zinser E, Anderson J, Banerji A, Baptist AP, Bernstein JA, Boggs PB, Busse PJ, Christiansen S, Craig T, Davis‐Lorton M, Gierer S, Gower RG, Harris D, Hong DI, Jacobs J, Johnston DT, Levitch ES, Li HH, Lockey RF, Lugar P, Lumry WR, Manning ME, McNeil DL, Melamed I, Mostofi T, Nickel T, Otto WR, Petrov AA, Poarch K, Radojicic C, Rehman SM, Riedl MA, Schwartz LB, Shapiro R, Sher E, Smith AM, Smith TD, Soteres D, Tachdjian R, Wedner HJ, Weinstein ME, Zafra H, Zuraw BL. Lanadelumab demonstrates rapid and sustained prevention of hereditary angioedema attacks. Allergy 2020; 75:2879-2887. [PMID: 32452549 PMCID: PMC7689768 DOI: 10.1111/all.14416] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/15/2020] [Accepted: 04/20/2020] [Indexed: 02/06/2023]
Abstract
Background Lanadelumab demonstrated efficacy in preventing hereditary angioedema (HAE) attacks in the phase 3 HELP Study. Objective To assess time to onset of effect and long‐term efficacy of lanadelumab, based on exploratory findings from the HELP Study. Methods Eligible patients with HAE type I/II received lanadelumab 150 mg every 4 weeks (q4wks), 300 mg q4wks, 300 mg q2wks, or placebo. Ad hoc analyses evaluated day 0‐69 findings using a Poisson regression model accounting for overdispersion. Least‐squares mean monthly HAE attack rate for lanadelumab was compared with placebo. Intrapatient comparisons for days 0‐69 versus steady state (days 70‐182) used a paired t test for continuous endpoints or Kappa statistics for categorical endpoints. Results One hundred twenty‐five patients were randomized and treated. During days 0‐69, mean monthly attack rate was significantly lower with lanadelumab (0.41‐0.76) vs placebo (2.04), including attacks requiring acute treatment (0.33‐0.61 vs 1.66) and moderate/severe attacks (0.31‐0.48 vs 1.33, all P ≤ .001). More patients receiving lanadelumab vs placebo were attack free (37.9%‐48.1% vs 7.3%) and responders (85.7%‐100% vs 26.8%). During steady state, the efficacy of lanadelumab vs placebo was similar or improved vs days 0‐69. Intrapatient differences were significant with lanadelumab 300 mg q4wks for select outcomes. Lanadelumab efficacy was durable—HAE attack rate was consistently lower vs placebo, from the first 2 weeks of treatment through study end. Treatment emergent adverse events were comparable during days 0‐69 and 70‐182. Conclusion Protection with lanadelumab started from the first dose and continued throughout the entire study period.
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Affiliation(s)
- Marc A. Riedl
- Division of Rheumatology, Allergy and Immunology University of California, San Diego San Diego CA USA
| | - Marcus Maurer
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
| | - Jonathan A. Bernstein
- Division of Immunology/Allergy Section Department of Internal Medicine University of Cincinnati Cincinnati OH USA
- Bernstein Clinical Research Center Cincinnati OH USA
| | - Aleena Banerji
- Division of Rheumatology, Allergy and Immunology Department of Medicine Massachusetts General Hospital Harvard Medical School Boston MA USA
| | - Hilary J. Longhurst
- Addenbrooke's Hospital Cambridge University Hospitals NHS Foundation Trust, Cambridge and University College London Hospitals London UK
| | - H. Henry Li
- Institute for Asthma and Allergy, P.C. Chevy Chase MD USA
| | - Peng Lu
- Shire, a Takeda company Lexington MA USA
| | - James Hao
- Shire, a Takeda company Lexington MA USA
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Li QZ, Zhao HB, Ban N, Wang Q, Zhang JJ, Ding SN, Li HH, Zhou ZH. [Gastric adenocarcinoma with enteroblastic differentiation and elevated serum alpha fetoprotein]. Zhonghua Bing Li Xue Za Zhi 2020; 49:886-890. [PMID: 32892552 DOI: 10.3760/cma.j.cn112151-20191210-00791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the proportion and clinicopathological characteristics of gastric adenocarcinoma with enteroblastic differentiation (GAED) in gastric cancers showing an elevated serum alpha fetoprotein(AFP). Methods: A total of 724 resected gastric adenocarcinomas were collected from 2008 to 2018 at the 904 Hospital of Joint Service Support Force, and cases with pre-operative serum AFP>10 μg/L were screened. From the cases with elevated serum AFP, GAED cases were further evaluated based on morphology. Then the clincopathological features and immunohistochemical phenotypes of GAED were reviewed. In addition, the amplification of HER2 gene was detected with fluorescence in situ hybridization(FISH). When overall survival (OS) and progression-free survival (PFS) of GAED were analyzed, 289 cases ordinary gastric adenocarcinoma with normal serum AFP were employed as a control. Results: The percentage of GAED was 44% (11/25) in gastric cancers with elevated serum AFP. GAED was histologically tubular or papillary with clear cytoplasm, and some GAED cases showed cystadenoid structure similar to embryo sac (5 cases), homogeneous eosinophilic granules (4 cases) and intragland ulareosinophilic material (6 cases). All 11 GAED cases had lymph node metastasis. Liver metastasis and vascular thrombus were observed in 2 cases and 5 cases respectively. GAED was immunohistochemically positive for CDX2 (11/11), CD10 (8/11) and MUC2(3/11), which were intestinal epithelium differentiation markers. Meanwhile, primitive markers SALL4 (8/11), GPC3 (7/11) and AFP (5/11) were also expressed in GAED, and HER2 gene amplification was found in 3 cases (3/11) of GAED. Lastly, the PFS of GAED were significantly shorter than that of the control group (P=0.02), while OS was not statistically different between these two groups (P=0.99). Conclusions: Patients with GAED usually have a higher rate of elevated serum AFP in gastric adenocarcinoma, and the cancer exhibites features of both intestinal and primitive differentiation. As GAED is highly invasive, the prognosis of GAED may be poor. For GAED, the diagnosis of well-differentiated or moderately-differentiated adenocarcinoma should be avoided, because this diagnosis leads to underestimated malignant potential.
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Affiliation(s)
- Q Z Li
- Department of Pathology, the 904 Hospital of Joint Service Support Force, PLA, Jiangsu Province, Wuxi 214044, China
| | - H B Zhao
- Department of Pathology, the 904 Hospital of Joint Service Support Force, PLA, Jiangsu Province, Wuxi 214044, China
| | - N Ban
- Department of Pathology, the 904 Hospital of Joint Service Support Force, PLA, Jiangsu Province, Wuxi 214044, China
| | - Q Wang
- Department of Pathology, the 904 Hospital of Joint Service Support Force, PLA, Jiangsu Province, Wuxi 214044, China
| | - J J Zhang
- Department of Pathology, the 904 Hospital of Joint Service Support Force, PLA, Jiangsu Province, Wuxi 214044, China
| | - S N Ding
- Department of Pathology, the 904 Hospital of Joint Service Support Force, PLA, Jiangsu Province, Wuxi 214044, China
| | - H H Li
- Department of Pathology, the 904 Hospital of Joint Service Support Force, PLA, Jiangsu Province, Wuxi 214044, China
| | - Z H Zhou
- Department of Pathology, the 904 Hospital of Joint Service Support Force, PLA, Jiangsu Province, Wuxi 214044, China
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Yang HJ, Li HH, Pang XR, Gao SF, Liang JB, Zheng X, Li DR, Wang YH, Yu XQ, Qian XQ, Yang XD, Chen WD. [Protective effect of recombinant adult serine protease inhibitor from Trichinella spiralis on sepsis-associated acute kidney injury in mice]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2020; 32:361-366. [PMID: 32935509 DOI: 10.16250/j.32.1374.2020122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To investigate the protective effect of recombinant adult serine protease inhibitor from Trichinella spiralis (TsadSPI) on sepsis-associated acute kidney injury in mice. METHODS A total of 18 male BALB/c mice were randomly divided into the sham-operation group, the model group, and the TsadSPI treatment group, of 6 mice in each group. Sepsis-associated acute kidney injury was modeled in the model group and TsadSPI treatment group by cecal ligation puncture (CLP), while mice in the sham-operation group were only given exploratory laparotomy without ligation or perforation of the cecum. After 30 min of CLP, mice in the sham-operation group and the model group were intraperitoneally injected with PBS (100 μL), and mice in the TsadSPI treatment group were intraperitoneally injected with PBS (100 μL) containing TsadSPI (2 μg). At 12 h following modeling, the serum levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), creatinine (Cr) and urea nitrogen (BUN) were measured to assess the liver and kidney functions, and the changes of the mouse kidney structure were observed using HE staining. In addition, the serum levels of tumor necrosis factor (TNF)-α, interleukin (IL)-6, IL-10 and transforming growth factor (TGF)-β were measured using an enzyme-linked immunosorbent assay (ELISA), and the myeloid differentiation factor 88 (MyD88) and nuclear factor kappa-B (NF-κB) p65 expression was determined in kidney tissues using immunohistochemical staining. RESULTS At 12 h following CLP, there were significant differences in the serum levels of ALT (F = 41.031, P < 0.001), AST (F = 54.757, P < 0.001), Cr (F = 24.142, P < 0.001) and BUN (F = 214.849, P < 0.001) among the three groups, and higher levels of ALT, AST, Cr and BUN were measured in model group than in the sham-operation group (P < 0.001), while lower ALT, AST, Cr and BUN levels were found in the TsadSPI treatment group than in the model group (P < 0.001). HE staining showed severe mouse kidney injuries following CLP, and TsadSPI treatment resulted in remarkable alleviation of the injury. ELISA measured significant differences in the TNF-α (F = 47.502, P < 0.001) and IL-6 levels (F = 222.061, P < 0.001) among the three groups, and showed a remarkable reduction in the TNF-α and IL-6 levels in the TsadSPI treatment group as compared to those in the model group (P < 0.001). In addition, there were significant differences in serum IL-10 (F = 16.227, P < 0.001) and TGF-β levels (F = 52.092, P < 0.001) among the three groups, and higher IL-10 and TGF-β levels were seen in the TsadSPI treatment group than in the model group (P < 0.001). Immunohistochemical staining showed greater MyD88 expression and a higher nuclear positive rate of NF-κB p65 in kidney tissues in the model group than in the TsadSPI treatment group. CONCLUSIONS TsadSPI may reduce the MyD88 expression and nuclear positive rate of NF-κB p65 in mouse kidney tissues to up-regulate the expression of immunomodulatory factors and down-regulate the expression of pro-inflammatory cytokines, thereby protecting sepsis-associated acute kidney injury.
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Affiliation(s)
- H J Yang
- Department of Nephrology, The First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China.,Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - H H Li
- Anhui Provincial Key Laboratory of Infection and Immunity, China.,Department of Basic Medicine, Bengbu Medical College, China
| | - X R Pang
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - S F Gao
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - J B Liang
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - X Zheng
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - D R Li
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - Y H Wang
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - X Q Yu
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - X Q Qian
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - X D Yang
- Anhui Provincial Key Laboratory of Infection and Immunity, China.,Department of Basic Medicine, Bengbu Medical College, China
| | - W D Chen
- Department of Nephrology, The First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
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32
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Ben C, Li HH, Liu T, Wang ZJ, Cheng DS, Zhu SH. [Advances in the research of artificial intelligence technology assisting the diagnosis of burn depth]. Zhonghua Shao Shang Za Zhi 2020; 36:244-246. [PMID: 32241051 DOI: 10.3760/cma.j.cn501120-20190403-00162] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The early accurate diagnosis of burn depth is of great significance in determining the corresponding clinical intervention methods and judging the prognosis quality of burn patients. However, the current diagnostic method of burn depth still relies mainly on the empirical subjective judgment of clinicians, with low diagnostic accuracy. Especially for deep partial-thickness burn wounds, the error of early diagnosis is pretty big. In recent years, with the rapid development of artificial intelligence technology, deep learning algorithm combined with image analysis technology can better identify and analyze the information of medical images. This article reviews the research progress of artificial intelligence technology in the diagnosis of burn depth.
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Affiliation(s)
- C Ben
- Burn Institute of PLA, Department of Burn Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - H H Li
- Burn Institute of PLA, Department of Burn Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - T Liu
- Burn Institute of PLA, Department of Burn Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Z J Wang
- Burn Institute of PLA, Department of Burn Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - D S Cheng
- Burn Institute of PLA, Department of Burn Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - S H Zhu
- Burn Institute of PLA, Department of Burn Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China
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Abstract
Anthraquinone dyes, which contain anthraquinone chromophore groups, are the second largest class of dyes after azo dyes and are used extensively in textile industries. The majority of these dyes are resistant to degradation because of their complex and stable structures; consequently, a large number of anthraquinone dyes find their way into the environment causing serious pollution. At present, the microbiological approach to treating printing and dyeing wastewater is considered to be an economical and feasible method, and reports regarding the bacterial degradation of anthraquinone dyes are increasing. This paper reviews the classification and structures of anthraquinone dyes, summarizes the types of degradative bacteria, and explores the possible mechanisms and influencing factors of bacterial anthraquinone dye degradation. Present research progress and existing problems are further discussed. Finally, future research directions and key points are presented.
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Affiliation(s)
- Hai-Hong Li
- College of Environmental and Chemical Engineering, Xi'an Polytechnic University, Shaanxi 710048, China
| | - Yang-Tao Wang
- College of Environmental and Chemical Engineering, Xi'an Polytechnic University, Shaanxi 710048, China
| | - Yang Wang
- College of Environmental and Chemical Engineering, Xi'an Polytechnic University, Shaanxi 710048, China
| | - Hai-Xia Wang
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Kai-Kai Sun
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhen-Mei Lu
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou 310058, China
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Yuan Y, Wang LY, Mei J, Cheng Y, Wang W, Chu L, Tang J, Li N, Li HH, He WX, Yang LL, Chen J, Bai YS, Wu Y, Liang JB, Sun SY, Zhang X, Yang XD. [Protective effect of excretory-secretory protein from adult Trichinella spiralis on ovalbumin-induced allergic rhinitis in mice]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2019; 31:504-509. [PMID: 31713379 DOI: 10.16250/j.32.1374.2019069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To investigate the protective effect of excretory-secretory protein (AES) from adult Trichinella spiralis on ovalbumin (OVA)-induced allergic rhinitis in mice. METHODS Eighteen female BALB/c mice were randomly divided into three groups, including the blank control group (Group A), OVA-induced rhinitis group (Group B) and AES treatment group (Group C). Mice in Group A were given PBS. Mice in Group B were intraperitoneally injected with antigen adjuvant suspension for systemic sensitization, once every other day for seven times; then, local excitation was intranasally induced with 5% OVA solution once a day for seven times to establish a mouse model of allergic rhinitis. In addition to induction of allergic rhinitis, mice in Group C were given 25 μg AES at baseline sensitization and local excitation. Following the final challenge, mice were observed for 30 min in each group, and the behavioral score was evaluated. The serum levels of IFN-γ, IL-4, IL-5, IL-10 and TGF-β were determined using an enzyme-linked immunosorbent assay in mice, and the pathological changes of mouse nasal mucosa were observed under a microscope. RESULTS There was a significant difference in the mouse behavioral scores among the three groups (F = 110.12, P < 0.01). The mouse behavioral score was significantly higher in Group B than in Group A (7.17 ± 0.75 vs. 1.33 ± 0.52, P < 0.01), and more remarkable pathological damages of mouse nasal mucosa were seen in Group B than in Group A, while the mouse behavioral score was significantly decreased in Group C than in Group B (P < 0.01), and the pathological damages of mouse nasal mucosa remarkably alleviated in Group C relative to Group B. There was a significant difference in serum IFN-γ level among the three groups (F = 7.50, P < 0.01) and the serum IFN-γ level in Group B was significantly lower than in group A and C (both P < 0.05). There were significant differences in serum IL-4 (F = 470.81, P < 0.01) and IL-5 levels (F =68.20, P < 0.01) among the three groups, and significantly greater serum IL-4 and IL-5 levels were detected in Group B than in Group A (P < 0.01), while significantly lower serum IL-4 and IL-5 levels were detected in Group C than in Group B (P < 0.01). There were significant differences in serum IL-10 (F = 174.91, P < 0.01) and TGF-β levels (F = 9.39, P < 0.01) among the three groups, and significantly greater serum IL-10 and TGF-β levels were seen in Group C than in Group B (both P < 0.05). CONCLUSIONS T. spiralis AES has a remarkable protective activity against OVA-induced allergic rhinitis in mice.
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Affiliation(s)
- Y Yuan
- Department of Basic Medical Sciences, Bengbu Medical College, Bengbu 233000, China.,Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - L Y Wang
- Department of Basic Medical Sciences, Bengbu Medical College, Bengbu 233000, China.,Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - J Mei
- The Second Affiliated Hospital of Bengbu Medical College, China
| | - Y Cheng
- Department of Pathogenic Infection and Immunity, Wuxi Medical School, Jiangnan University, China
| | - W Wang
- The First Affiliated Hospital of Bengbu Medical College, China
| | - L Chu
- The Second Affiliated Hospital of Bengbu Medical College, China
| | - J Tang
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - N Li
- Department of Basic Medical Sciences, Bengbu Medical College, Bengbu 233000, China
| | - H H Li
- Department of Basic Medical Sciences, Bengbu Medical College, Bengbu 233000, China
| | - W X He
- Department of Basic Medical Sciences, Bengbu Medical College, Bengbu 233000, China
| | - L L Yang
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - J Chen
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - Y S Bai
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - Y Wu
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - J B Liang
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - S Y Sun
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - X Zhang
- Anhui Provincial Key Laboratory of Infection and Immunity, China
| | - X D Yang
- Department of Basic Medical Sciences, Bengbu Medical College, Bengbu 233000, China.,Anhui Provincial Key Laboratory of Infection and Immunity, China
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Mao XY, Li HH, Jin F. [Some viewpoints about the local surgery on the de novo stage Ⅳ breast cancer]. Zhonghua Yi Xue Za Zhi 2019; 99:2485-2488. [PMID: 31484274 DOI: 10.3760/cma.j.issn.0376-2491.2019.32.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- X Y Mao
- Department of Breast Surgery, the First Affiliated Hospital of China Medical University, Shenyang 110001, China
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Zou YC, Li HH, Yang GG, Yin HD, Cai DZ, Liu G. Attenuated levels of ghrelin in synovial fluid is related to the disease severity of ankle post-traumatic osteoarthritis. Biofactors 2019; 45:463-470. [PMID: 30697843 DOI: 10.1002/biof.1490] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [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: 11/16/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 12/24/2022]
Abstract
Post-traumatic osteoarthritis (PTOA) of ankle joints results in pain and reduced joint function. Ghrelin, a 28-amino-acid polypeptide, has been previously identified as the first cognate natural ligand that binds to the growth hormone secretagogue receptor. In the present study, ghrelin has been validated to exert cartilage-protective and anti-inflammatory effects. The current study was aimed at investigating the potential role of the levels of serum and synovial fluid (SF) ghrelin on the severity of disease in patients suffering from ankle PTOA. Ninety-seven patients with ankle osteoarthritis who received an arthroscopical examination and debridement or replacement of the ankle joint were included in the study cohort. Meanwhile, 95 healthy individuals (whose age and sex were matched) who received periodic body checkups were enrolled as healthy controls. Enzyme-linked immunosorbent assay (ELISA) was used to analyze the ghrelin levels in serum and SF. SF was also probed for cartilage degradation enzyme matrix metalloproteinases-3 (MMP-3) and tumor necrosis factor alpha (TNF-α), which is a known pro-inflammatory cytokine. The clinical evaluation was carried out using the American Orthopedic Foot and Ankle Society (AOFAS) ankle-hindfoot rating scale and visual analogue scale (VAS). The radiographic severity was evaluated using the modified Kellgren-Lawrence (K-L) grading system. We scored for the modified Mankin's score to depict histopathological changes due to cartilage lesions. The diagnostic relevance of the ghrelin concentrations in the prediction of the radiographic grading (in comparison with MMP-3 and TNF-α) was evaluated by calculating the area under the curve of the receiver operating characteristic (ROC) curve. The serum abundance of ghrelin was not significantly altered between ankle PTOA patients and healthy controls. SF ghrelin was negatively correlated with radiographic progression determined by modified ankle K-L grades. In addition SF ghrelin concentrations were negatively related to VAS scores, and positively associated with AOFAS ankle-hindfoot rating. Moreover, SF ghrelin was inversely proportional to the expressions of MMP-3 and TNF-α. ROC analysis curve demonstrated that ghrelin serves as a favorable marker for the diagnosis of radiographic severity by modified ankle K-L grade. The ghrelin concentration in SF is negatively proportional to disease progression in patients suffering from ankle PTOA. Local administration of ghrelin may function as a decent adjuvant therapy to delay the progress of ankle PTOA. © 2019 BioFactors, 45(3):463-470, 2019.
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Affiliation(s)
- Yu-Cong Zou
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Hai-Hong Li
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Guang-Gang Yang
- Department of Orthopedics, Guangzhou Orthopedics Hospital, Guangzhou, Guangdong Province, China
| | - Hai-Dong Yin
- Shunde Hospital of Southern Medical University, Foshan, China
| | - Dao-Zhang Cai
- Department of Joint Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Gang Liu
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
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Zhou N, Zheng MN, Li HH, Yu MH, Gong H, Yang J, Jiang GH. [Evaluation on follow-up intervention program in men who have sex with men in Tianjin]. Zhonghua Liu Xing Bing Xue Za Zhi 2019; 39:1228-1233. [PMID: 30293315 DOI: 10.3760/cma.j.issn.0254-6450.2018.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the behavior intervention program on men who have sex with men (MSM) in Tianjin. Methods: From April 2013 to September 2017, MSM were enrolled from MSM gathering places and through mobile internet to establish an open prospective cohort. Interventions were conducted in every follow-up meeting, while the changes of behaviors and HIV infection and syphilis incidences in the MSM before and after intervention were compared. Results: A total of 1 822 MSM were interviewed at baseline survey, with 1 007 eligible MSM were enrolled in the cohort. A total of 39 new cases of HIV infection were reported, and the cumulative observation time on cohort follow-up was 2 216.96 person-year, with the HIV incidence rate as 1.76 per 100 person-years. Among them, 934 MSM were sero-negative for syphilis in baseline survey. A total of 100 new cases of syphilis were reported, and the cumulative observation time of cohort follow-up was 1 959.94 person-year, the syphilis incidence rate was 5.10 per 100 person-years. With health education and intervention conducted, the awareness rate of AIDS related knowledge for MSM increased. Though the rate of anal sex increased after intervention, the rate of condom use in anal sex increased, too. The rate of condom use decreased after receiving more than 3 interventions. Data from the multivariate GEE analysis indicated that protective factors might be as follows: education level of college and above (aOR=0.81, 95%CI: 0.68-0.98), awareness of AIDS related knowledge (aOR=0.52, 95%CI: 0.36-0.75), ever receiving condom promotion and distribution in the past six months (aOR=0.60, 95%CI: 0.49-0.74), being recruited from mobile internet (aOR=0.85, 95%CI: 0.73-1.00) and times of cumulative intervention: one time (aOR=0.55, 95%CI: 0.45-0.66), two times (aOR=0.38, 95%CI: 0.30-0.49), three times (aOR=0.26, 95%CI: 0.20-0.35), four times and above (aOR=0.24, 95%CI: 0.17-0.33). Diagnoses of STDs in the past six months (aOR=1.43, 95%CI: 1.06-1.96), using rush-poppers (aOR=1.22, 95%CI: 1.02-1.47) might be risk factors. Conclusions: After continuous behavior intervention, the incidence of HIV infection and syphilis were at a low level in the MSM cohort in Tianjin. Their awareness rate of AIDS related knowledge and the rate of condom use increased. But there are still many risk factors influencing the unprotected anal sex in MSM. We should continuously carry out behavioral intervention programs to prevent unprotected anal sex among MSM.
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Affiliation(s)
- N Zhou
- Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - M N Zheng
- Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - H H Li
- Department of Epidemiology and Health Statistics, School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - M H Yu
- Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - H Gong
- Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - J Yang
- Shenlan Public Health Counsel Service Center, Tianjin 300121, China
| | - G H Jiang
- Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
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Yi M, Li TT, Li HH, Huang Q, Yang JE, Chen YC, Yang ZM. [Characteristics of Phosphorus Adsorption in Aqueous Solution By Ca/Mg-Loaded Biogas Residue Biochar]. Huan Jing Ke Xue 2019; 40:1318-1327. [PMID: 31087980 DOI: 10.13227/j.hjkx.201803152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this study, we synthesized Ca/Mg biochar sorbents (CMZZs) by pyrolysis of biogas residue (ZZs) impregnated with calcium chloride and magnesium chloride and investigated their potential to adsorb P from water. The results showed that the content of calcium and magnesium in the modified biochar was 1.3 and 15.4 times, respectively, what they were before the modification. Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) patterns showed that the type of chemical functional groups on the surface of biochar had not changed, but several new peaks appeared, indicating that Mg (OH)2 and MgO might be present on the surface of the CMZZs. The biochar equilibrium data were well described by the Freundlich model, and the adsorption reached equilibrium after 100 min. The adsorption kinetics followed a pseudo-second-order model, and the maximum adsorption capacity of the CMZZs was 76.92 mg·g-1 when the pH was 9 and the temperature 303 K. The results revealed that a soaking method can effectively load Ca2+ and Mg2+ onto the surface of ZZ, and CMZZs offer a promising adsorbent for P removal with a high adsorption capacity for P from wastewater.
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Affiliation(s)
- Man Yi
- Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China.,College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Ting-Ting Li
- Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China
| | - Hai-Hong Li
- Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China
| | - Qiao Huang
- Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China
| | - Jin-E Yang
- Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China
| | - Yu-Cheng Chen
- Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China.,College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Zhi-Min Yang
- Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China.,College of Resources and Environment, Southwest University, Chongqing 400715, China
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Huang WR, Gu ZY, Li HH, Bo J, Wang SH, Li F, Gao XN, Dou LP, Zhao Y, Jing Y, Zhu HY, Wang QS, Yu L, Gao CJ, Liu DH. [Clinical outcomes of peripheral blood stem cell transplantation for aggressive peripheral T-cell lymphoma]. Zhonghua Xue Ye Xue Za Zhi 2019; 39:729-733. [PMID: 30369182 PMCID: PMC7342247 DOI: 10.3760/cma.j.issn.0253-2727.2018.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
目的 研究外周血造血干细胞移植治疗外周T细胞淋巴瘤(PTCL)的疗效。 方法 回顾性分析解放军总医院血液科2007年6月至2017年6月接受外周血造血干细胞移植PTCL患者的临床资料。 结果 共有41例PTCL患者纳入研究,男30例,女11例,中位年龄38(13~57)岁。17例行自体外周血造血干细胞移植(auto-PBSCT),24例行异基因外周血造血干细胞移植(allo-PBSCT)。auto-PBSCT组ALK阳性间变大细胞淋巴瘤占47.1%(8/17),allo-PBSCT组NK/T细胞淋巴瘤和外周T细胞淋巴瘤-非特指型占66.7%(16/24)。auto-PBSCT组患者移植前疾病处于完全缓解(CR)状态者占58.8%(10/17),疾病进展(PD)状态者占11.8%(2/17);allo-PBSCT组移植前疾病状态为CR者8.3%(2/24),PD者45.8%(11/24)。auto-PBSCT组和allo-PBSCT组移植后2年总生存率、无病生存率差异均无统计学意义[(64.0±10.8)%对(53.5±9.7)%,P=0.543;(57.1±12.4)%对(53.5±10.6)%,P=0.701]。auto-PBSCT组6例死亡,5例死于复发;allo-PBSCT组12例死亡,其中5例死于复发,7例为移植相关死亡。 结论 auto-PBSCT和allo-PBSCT均是PTCL的有效治疗方法。
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Affiliation(s)
- W R Huang
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
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Zhang W, Song QQ, Wu F, Zhang JZ, Xu MS, Li HH, Han ZJ, Gao HX, Xu NY. Evaluation of the four breeds in synthetic line of Jiaxing Black Pigs and Berkshire for meat quality traits, carcass characteristics, and flavor substances. Anim Sci J 2019; 90:574-582. [PMID: 30714281 DOI: 10.1111/asj.13169] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 11/11/2018] [Accepted: 12/17/2018] [Indexed: 11/28/2022]
Abstract
To investigate breed characteristics and the effect of hybridization of Jiaxing Black Pig (JBP) with Western breeds, the carcass and meat quality traits and flavor substances such as inosinic acids (IMP), intramuscular fat (IMF) in longissimus muscle (LM) from five breeds including JBP, Berkshire, Berkshire × JBP (BJBP), Duroc × Berkshire × JBP (DBJBP), Duroc × Landrace × JBP (DLJBP) were compared in this study. It was found that water holding capacity (WHC) of LM in JBP was significantly higher than that in the other strains (p < 0.01). Dressing out percentage and lean percentage of JBP were both significantly lower than those in the others (p < 0.01) in connection with their lighter carcass weight and higher subcutaneous fat percentage (p < 0.01). Heterosis was realized in DJBP, DBJBP, and DLJBP since their carcass weight, lean percentage, and loin eye muscle area (LEMA) were markedly higher when compared to JBP, whereas lower than those in Berkshire. Among the breeds, the content of IMF and IMP in the LM of JBP were the highest. These traits were also palpably improved in the crossbreds, especially for DBJBP, of which pork was considered outstanding for containing the most abundant essential amino acids (EAA) and total amino acids (TAA).
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Affiliation(s)
- Wei Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Qian-Qian Song
- College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Fen Wu
- College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Jin-Zhi Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Ming-Shu Xu
- Zhejiang Qinglian Food Co., Ltd, Haiyan, Jiaxing, China
| | - Hai-Hong Li
- Zhejiang Qinglian Food Co., Ltd, Haiyan, Jiaxing, China
| | - Zhu-Jun Han
- Zhejiang Qinglian Food Co., Ltd, Haiyan, Jiaxing, China
| | - Hai-Xia Gao
- Zhejiang Qinglian Food Co., Ltd, Haiyan, Jiaxing, China
| | - Ning-Ying Xu
- College of Animal Sciences, Zhejiang University, Hangzhou, China
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Wu F, Zhang W, Song QQ, Li HH, Xu MS, Liu GL, Zhang JZ. Association analysis of polymorphisms of G protein-coupled receptor 54 gene exons with reproductive traits in Jiaxing Black sows. Asian-Australas J Anim Sci 2019; 32:1104-1111. [PMID: 30744352 PMCID: PMC6599949 DOI: 10.5713/ajas.18.0827] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 12/18/2018] [Indexed: 11/27/2022]
Abstract
Objective The aim of this study was to detect single nucleotide polymorphisms (SNP) of G protein-coupled receptor 54 (GPR54) gene and explore association of this candidate gene with reproductive traits in Jiaxing Black sows. Methods Six pairs of primers of the gene were designed to amplify all exons thus sequences of which were detected by means of direct sequencing and then SNP loci were scanned. The effects of SNPs on total number of piglets born (TNB), number of piglets born alive (NBA), number of still born piglets (NSB), and litter weight at birth (LWB) of Jiaxing Black sows were analyzed. Results Three SNP loci, including T3739C, C3878T and T6789C, were identified via comparison of sequencing and two genotypes (AB, BB) at each SNP site were observed. T3739C resulted in the change of amino acid (Leu→Pro) in corresponding protein, and C3878T resulted in synonymous mutation (Ile→Ile). Statistical results demonstrated that allele B was the preponderant allele at the three SNP loci and Genotype BB was the preponderant genotype. Meanwhile, Chi-Square test of these three SNPs indicated that all mutation sites fitted in Hardy-Weinberg equilibrium (p>0.05). For GPR54-T3739C locus, Jiaxing Black sows with genotype BB had 1.23 TNB and 1.28 NBA (p<0.01) that were more than those with genotype AB, respectively. Jiaxing Black sows that had the first two parities with genotype BB had additional 2.23 TNB, 2.27 NBA (p<0.01), and 1.94 LWB (p<0.05) compared to those with genotype AB, respectively. However, for other two loci, no significant difference was found between TNB, NBA, NSB, and LWB, and different genotypes of Jiaxing Black sows. Conclusion In conclusion, the polymorphisms of GPR54-T3739C locus were significantly associated to TNB, NBA, and LWB and could be used as a potential genetic marker to improve reproductive function of Jiaxing black sows.
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Affiliation(s)
- Fen Wu
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wei Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qian-Qian Song
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hai-Hong Li
- Zhejiang Qinglian Food Company Limited, Jiaxing 314000, China
| | - Ming-Shu Xu
- Zhejiang Qinglian Food Company Limited, Jiaxing 314000, China
| | - Guo-Liang Liu
- Zhejiang Qinglian Food Company Limited, Jiaxing 314000, China
| | - Jin-Zhi Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
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Abstract
BACKGROUND Previous studies demonstrate that eccrine sweat glands are innervated by both cholinergic and adrenergic nerves. However, it is still unknown whether the secretory coils and ducts of eccrine sweat glands are equally innervated by the sympathetic nerve fibers. To well understand the mechanisms on sweat secretion and reabsorption, the differential innervation of secretory coils and ducts in human eccrine sweat glands was investigated in the study. METHODS From June 2016 to June 2017, six human skins were fixed, paraffin-embedded, and cut into 5 μm-thick sections, followed by costaining for nerve fiber markers protein gene product 9.5 (PGP 9.5), tyrosine hydroxylase (TH) and vasoactive intestinal peptide (VIP), and eccrine sweat gland markers K7, S100P, and K14 by combining standard immunofluorescence with tyramide signal amplification (IF-TSA). Stained sections were observed under the microscope, photographed, and analyzed. RESULTS The fluorescent signals of PGP 9.5, TH, and VIP were easily visualized, by IF-TSA, as circular patterns surrounding eccrine sweat glands, but only PGP 9.5 could be observed by standard IF. The IF-TSA method is more sensitivity than standard IF in detecting antigens expressed at low levels. PGP 9.5, TH, and VIP appeared primarily surrounding the secretory coils and sparsely surrounding the sweat ducts. CONCLUSION Sweat secretion is mainly controlled by autonomic nerves whereas sweat reabsorption is less affected by nerve activity.
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Affiliation(s)
- Zhan Ouyang
- Department of Burn and Plastic Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Hai-Hong Li
- Department of Burn and Plastic Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Ming-Jun Zhang
- Department of Burn and Plastic Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Si-Tian Xie
- Department of Burn and Plastic Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Liu-Hang-Hang Cheng
- Department of Burn and Plastic Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
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Liu T, Li HH, Sheng JJ, Zhu SH. [Advances in the research of delivery system of growth factor and the gene for promoting wound healing]. Zhonghua Shao Shang Za Zhi 2018; 34:566-569. [PMID: 30157565 DOI: 10.3760/cma.j.issn.1009-2587.2018.08.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Growth factors play critical roles in the process of wound healing. Application of growth factor locally is a good way of promoting wound healing, while it is easy to be hydrolyzed in wounds and its efficacy has dose- and time-dependent manner. Therefore, appropriate growth factor delivery system is needed to assist it to function in wounds. In addition to delivering growth factor directly to wounds, viral and non-viral vectors can be used for gene transfection of growth factor in wounds. The gene can be transformed to growth factor to promote wound healing by transcription and translation. This article reviews the advances in the research of delivery system of growth factor and the gene for promoting wound healing.
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Affiliation(s)
- T Liu
- Department of Burn Surgery, Institute of Burns, the First Affiliated Hospital, Naval Medical University, Shanghai 200433, China
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Li HH, Bao ZX, Liu XB, Zhu SH. [Advances in the research of application of artificial intelligence in burn field]. Zhonghua Shao Shang Za Zhi 2018; 34:246-248. [PMID: 29690744 DOI: 10.3760/cma.j.issn.1009-2587.2018.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Artificial intelligence has been able to automatically learn and judge large-scale data to some extent. Based on database of a large amount of burn data and in-depth learning, artificial intelligence can assist burn surgeons to evaluate burn surface, diagnose burn depth, guide fluid supply during shock stage, and predict prognosis, with high accuracy. With the development of technology, artificial intelligence can provide more accurate information for burn surgeons to make clinical diagnosis and treatment strategies.
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Affiliation(s)
- H H Li
- Department of Burn Surgery, Institute of Burns, the first affiliated Hospital of Naval Medical University, Shanghai 200433, China
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Li HH, Pan JL, Hui S, Ma XW, Wang ZL, Yao HX, Wang JF, Li H. Retracted Article: High-throughput metabolomics identifies serum metabolic signatures in acute kidney injury using LC-MS combined with pattern recognition approach. RSC Adv 2018; 8:14838-14847. [PMID: 35541357 PMCID: PMC9079920 DOI: 10.1039/c8ra01749b] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 03/23/2018] [Indexed: 02/03/2023] Open
Abstract
Metabolomics, as a promising and powerful approach, refers to comprehensive assessment and identification of small molecule endogenous metabolites in a biological system which is capable of further understanding the mechanisms of diseases for early diagnosis, effective treatment and prognosis. Acute kidney injury (AKI) induced by contrast is a serious complication in patients undergoing administration of iodinated contrast media. It is becoming a major health concern in clinic, however, the molecular mechanisms of contrast-induced acute kidney injury (CI-AKI) have not been well characterized. In this study, we used serum metabolomics based on liquid chromatography-mass spectrometry (LC-MS) combined with pattern recognition to explore and characterize potential metabolites and metabolic pathway in an experimental model for CI-AKI. Seventeen differentiating metabolites in the serum were identified involving the pivotal metabolic pathways related to tryptophan metabolism, glycerophospholipid metabolism, steroid hormone biosynthesis, pyrimidine metabolism, sphingolipid metabolism, aminoacyl-tRNA biosynthesis. Our study provides novel insight into pathophysiologic mechanisms of AKI by changing biomarkers and pathways.
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Affiliation(s)
- Hai-Hong Li
- Department of Critical-Care Medicine, Mudanjiang Medical University Affiliated HongQi Hospital Mudanjiang 157000 China
| | - Jian-Liang Pan
- Department of Critical-Care Medicine, The Second People's Hospital of Weifang Weifang 261041 China
| | - Su Hui
- Department of Operating Theatre, The Second Affiliated Hospital of Mudanjiang Medical University Mudanjiang 157000 China
| | - Xiao-Wei Ma
- Department of Critical-Care Medicine, Mudanjiang Medical University Affiliated HongQi Hospital Mudanjiang 157000 China
| | - Zhi-Long Wang
- Department of Postgraduate Culture Department, The First Clinical Medicine School of Mudanjiang Medical University Mudanjiang 157000 China
| | - Hui-Xin Yao
- Department of Medical Department, Mudanjiang Medical University Affiliated HongQi Hospital Mudanjiang 157000 China
| | - Jun-Feng Wang
- Department of Medical Department, Mudanjiang Medical University Affiliated HongQi Hospital Mudanjiang 157000 China
| | - Hong Li
- Clinical Skills Center of the First Clinical College, Mudanjiang Medical University Mudanjiang 157000 China +86-0453-6602104 +86-1594-5325338
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Dong HY, Wang B, Li HH, Shan L, Jia FY. [Correlation between serum 25-hydroxyvitamin D level and core symptoms of autism spectrum disorder in children]. Zhonghua Er Ke Za Zhi 2018; 55:916-919. [PMID: 29262471 DOI: 10.3760/cma.j.issn.0578-1310.2017.12.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the relationship between serum 25-hydroxyvitamin D levels and core symptoms of autism spectrum disorder (ASD) in children. Method: In this cross-sectional study, ASD children 4 to 6 years of age who were diagnosed in Department of Developmental and Behavioral Pediatrics, First Hospital of Jilin university from January to May 2017 were assigned to ASD group, and children for routine growth and development assessment in Jilin province were assigned to control group. The two groups were well matched for age and sex, and none of them had received vitamin D supplementation. Serum 25-hydroxyvitamin D levels were measured by HPLC-MS/MS method. The patients of the ASD group were assessed with autism behavior checklist (ABC), childhood autism rating scale (CARS), social response scale (SRS), and autism treatment evaluation checklist (ATEC). The levels of vitamin D were divided into normal(>0.03 ng/L), insufficient (0.01-0.03 ng/L) and deficient (<0.01 ng/L). Levels of serum vitamin D between the two groups were compared by two independent sample t-test, and the difference in the percentages of normal, insufficient and deficient levels of vitamin D was tested by chi-square test, and correlations between vitamin D levels and the total scores or subscales of ABC, CARS, SRS and ATEC were analyzed by Pearson correlation analysis. Result: The 87 subjects in the ASD group included 75 males and 12 females, with a mean (±SD) age of (4.7±0.7) years. The 301 subjects in the control group included 249 males and 52 females, with a mean (±SD) age of (4.8±0.8) years. Serum vitamin D level in ASD children was significantly lower than that of the control group ( (0.021±0.008) vs. (0.036±0.016) ng/L, t=-8.17, P<0.01), and the between-group percentage difference of normal, insufficient and deficient levels of vitamin D was statistically significant (12 (14%) vs. 186 (62%) , 67 (77%) vs. 113 (37%) , 8 (9%) vs. 2 (1%) , χ(2)=72.1, P<0.01). There were negative correlations between serum vitamin D level in ASD children and total ABC score or ABC subscale scores (body behavior, self-care, language and social interaction)(r=-0.531,-0.397,-0.283,-0.248,-0.262, P=0.000, 0.000, 0.007, 0.020, 0.014). There were negative correlations between serum vitamin D level in ASD children and total CARS score and CARS subscale scores (imitation, nonverbal communication and general impression) (r=-0.352, -0.216, -0.248, -0.216, P=0.001, 0.046, 0.021, 0.046). There were negative correlations between serum vitamin D level in ASD children and SRS behavior subscale or ATEC social interaction subscale (r=-0.536, P=0.005, r=-0.400, P=0.014). Conclusion: Serum 25-hydroxyvitamin D level in children with ASD is obviously lower than that in the healthy control group, and there are negative correlations between vitamin D levels and core symptoms of ASD. Trial registration Chinese Clinical Trial Registry, ChiCTR-CCC-13004498.
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Affiliation(s)
- H Y Dong
- Department of Developmental and Behavioral Pediatrics, First Hospital of Jilin University, Changchun 130021, China
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Abstract
A crude extract from earthworms was used as an environmentally friendly and easily accessible biocatalyst for asymmetric direct aldol reactions. The β-hydroxy carbonyl compounds could be prepared in yields of up to 94%, with ee values of up to 98% and dr of up to >99:1. A wide range of substrates could participate in the reaction. This earthworm catalyst was also efficient in the large-scale reaction, providing product in excellent yield and good selectivity. The protocol as an example gives inspiration for the development of sustainable catalysts from nature, which also provides a potential possibility for application of earthworm catalyst in industrial production.
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Affiliation(s)
- Guo-Yan Zhang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, PR China
| | - Yan-Li Chen
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, PR China
| | - Hai-Hong Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, PR China
| | - Zhi Guan
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, PR China
| | - Yan-Hong He
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, PR China
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Wang Y, He HY, Li HH, Lu WW, Guo TT, Kong J. The global regulator CodY responds to oxidative stress by the regulation of glutathione biosynthesis in Streptococcus thermophilus. J Dairy Sci 2017; 100:8768-8775. [PMID: 28843694 DOI: 10.3168/jds.2017-13007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 06/17/2017] [Indexed: 11/19/2022]
Abstract
CodYst is a global transcriptional regulator that modulates the metabolic network in Streptococcus thermophilus ST2017. In this study, experimental data showed that the cell survival of the codYst defective mutant obviously declined at the presence of 10 mM H2O2, suggesting CodYst was involved in response to the oxidative stress. To investigate this phenomenon, transcriptome analysis and real time-quantitative PCR were performed and the results indicated that the transcriptional level of a bifunctional glutathione synthetase gene (gshF) was downregulated by about 3-fold in the codYst defective mutant, along with a decrease by 20% of the glutathione yield compared with the wild-type in minimal chemical defined medium, whereas half of the viable cells remained after H2O2 challenge. In vitro gel shift assays showed that the purified CodYst could bind to the promoter region of gshF, with a conserved CodYst box, confirming the regulation of CodYst on the gshF gene. To our knowledge, this is first report of CodYst in response to oxidative stress mediated by the regulation of gshF in S. thermophilus.
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Affiliation(s)
- Y Wang
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, 250100, P. R. China
| | - H Y He
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, 250100, P. R. China
| | - H H Li
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, 250100, P. R. China
| | - W W Lu
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, 250100, P. R. China
| | - T T Guo
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, 250100, P. R. China
| | - J Kong
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, 250100, P. R. China.
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Li HH, Cai Q, Wang YP, Liu HR, Huang M. [The role of transforming growth factor-β 1/connective tissue growth factor signaling pathway in paraquat-induced pulmonary fibrosis]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2017; 34:484-488. [PMID: 27682480 DOI: 10.3760/cma.j.issn.1001-9391.2016.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the effects of Paraquat on human embryonic lung fibroblasts (MRC5) and explore the role of transforming growth factor-β1/connective tissue growth factor signaling pathway in paraquat-induced pulmonary fibrosis. Methods: MRC5 cells were cultured with different concentration of PQ (0, 12.5, 25, 50, 100, 200, 400 μmol/L) for 24 h. The viability of cells was measured by MTT. The protein level of TGF-β1 were analyzed by ELISA after PQ treatment (0, 25, 50, 100 μmol/L) . To examine whether TGF-β1/CTGF signaling pathway was involved in paraquat-induced cytotoxicity, cells was divided into 6 groups: (1) control; (2) 25 μmol/L PQ group; (3) 50 μmol/L PQ group; (4) 100 μmol/L PQ group; (5) TGF-β1 positive control group (50 μmol/L rhTGF-β1) ; (6) stimulate group (100 μmol/L PQ+50 μmol/L TGF-β1) . The protein levels of p-Smad2, p-Smad3 and CTGF were assayed by western blot. The mRNA level of CTGF was assayed by real time RT-PCR. Results: MTT showed that cell viability decreased with increasing PQ concentration (P<0.05) . The protein expression of TGF-β1 treated with PQ (25, 50, 100 μmol/L) significantly increased compared with control in a dose-independent manner (P<0.05) . Exposure to PQ (25, 50, 100 μmol/L) induced increase of protein levels of p-Smad2 and p-Smad3. Noteworthy, the expression of p-Smad2 and p-Smad3 were dramatically increased following PQ plus TGF-β1 stimulation (P<0.05) . Exposure to PQ (50, 100μmol/L) induced increase of CTGF protein expression and similar greatly increase following PQ plus TGF-β1 stimulation (P<0.05) . Real time RT-PCR showed CTGF mRNA in all groups also significantly up-regulated compared with control (P<0.05) . Conclusion: TGF-β1 regulates the expression of target gene CTGF to exhibit its pro-fibrogenic effects by activating TGF-β1/Smad signaling pathway in PQ-induced pulmonary fibrosis.
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Affiliation(s)
- H H Li
- School of Public Health, Ningxia Medical University, Yinchuan 750004 China
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Zheng YH, Xiong B, Deng YY, Lai W, Zheng SY, Bian HN, Liu ZA, Huang ZF, Sun CW, Li HH, Luo HM, Ma LH, Chen HX. [Effects of allogeneic bone marrow mesenchymal stem cells on polarization of peritoneal macrophages in rats with sepsis]. Zhonghua Shao Shang Za Zhi 2017; 33:217-223. [PMID: 28427135 DOI: 10.3760/cma.j.issn.1009-2587.2017.04.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the effects of allogeneic bone marrow mesenchymal stem cells (BMSCs) on polarization of peritoneal macrophages isolated from rats with sepsis induced by endotoxin/lipopolysaccharide (LPS). Methods: (1) BMSCs were isolated, cultured and purified from 5 SD rats with whole bone marrow adherent method. The third passage of cells were collected for morphologic observation, detection of expressions of stem cell surface markers CD29, CD44, CD45, and CD90 with flow cytometer, and identification of osteogenic and adipogenic differentiation. (2) Another 45 SD rats were divided into sham injury group (SI, n=5), LPS control group (LC, n=20), and BMSCs-treated group (BT, n=20) according to the random number table. Rats in groups LC and BT were injected with LPS (5 mg/kg) via tail vein to induce sepsis; rats in group SI were injected with the same amount of normal saline to simulate the damage. At post injury hour (PIH) 1, rats in group BT were given 1 mL BMSCs (2×10(6)/mL) via tail vein injection; rats in another two groups were injected with equal volume of phosphate buffer saline. Five rats in group SI at PIH 24 and in groups LC and BT at PIH 6, 12, 24, and 48 were sacrificed to harvest lung tissue for pathological observation with HE staining. In addition, rats in group SI at PIH 24 and in groups LC and BT at PIH 24 and 48 were simultaneously performed with intraperitoneal injection of low-glucose DMEM. Then peritoneal fluid was harvested to culture peritoneal macrophages. Flow cytometer was used to assess the positive expression of cell makers of macrophages including CD68 (making gate), CD11c, and CD206 in group SI at PIH 24 and in groups LC and BT at PIH 24 and 48. Data were processed with one-way analysis of variance and LSD test. Results: (1) The third passage of cells showed uniform fiber-like shape similar to fibroblasts. These cells showed positive expressions of CD29, CD44, CD90 and weak positive expression of CD45. They were able to differentiate into osteoblasts and adipocytes. These cells were identified as BMSCs. (2) At PIH 24, the structure of pulmonary alveoli of rats in group SI was clear and complete with no congestion or inflammatory cell infiltration. At PIH 6, the structure of pulmonary alveoli of rats in groups LC and BT was clear with a small amount of inflammatory cell infiltration, slight congestion and pulmonary interstitial thickening. At PIH 12, the inflammatory responses in lung tissue of rats in group LC were more severe than those in group BT with a large amount of inflammatory cell infiltration, serious congestion, and obvious pulmonary interstitial thickening. The pathological results of rats in group BT at PIH 12 was consistent with the results at PIH 6. At PIH 24, the pathological results of rats in groups LC and BT were similar to the results at PIH 12. At PIH 48, the structure of pulmonary alveoli tissue of rats in group LC was still severely disrupted, with a large number of inflammatory cell infiltration and congestion in lung tissue, but pulmonary interstitial thickening was slightly alleviated than before. The condition of rats in group BT nearly recovered to that in group SI. (3) At PIH 24, the positive expression rate of CD11c in peritoneal macrophages of rats in group LC [(83±10)%] was close to that in group BT [(87±7)%, P>0.05], and they were both significantly higher than the rate in group SI [(55±12)%, with P values below 0.01]. The positive expression rate of CD11c in peritoneal macrophages of rats in group LC [(59±11)%] at PIH 48 was close to that in group SI at PIH 24 (P>0.05), and they were both significantly higher than the rate in group BT [(20±11)%] at PIH 48 (with P values below 0.01). At PIH 24, the positive expression percentages of CD206 in peritoneal macrophages of rats were similar among the three groups (with P values above 0.05). The positive expression percentage of CD206 in peritoneal macrophages of rats in group SI at PIH 24 was close to that in group BT at PIH 48 (P>0.05), and they were both significantly lower than the percentage in group LC at PIH 48 (with P values below 0.01). Conclusions: BMSCs can reduce the pathological inflammatory responses in the lung of rats with sepsis and inhibit peritoneal macrophages from polarizing into M1 phenotype, whereas they can not promote macrophages to polarize into M2 phenotype.
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Affiliation(s)
- Y H Zheng
- Medical College of Shantou University, Shantou 515041, China
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