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Long Y, Ang Y, Chen W, Wang Y, Shi M, Hu F, Zhou Q, Shi Y, Ge B, Peng Y, Yu W, Bao H, Li Q, Duan M, Gao J. Hydrogen alleviates impaired lung epithelial barrier in acute respiratory distress syndrome via inhibiting Drp1-mediated mitochondrial fission through the Trx1 pathway. Free Radic Biol Med 2024; 218:132-148. [PMID: 38554812 DOI: 10.1016/j.freeradbiomed.2024.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 03/07/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
Acute respiratory distress syndrome (ARDS) is an acute and severe clinical complication lacking effective therapeutic interventions. The disruption of the lung epithelial barrier plays a crucial role in ARDS pathogenesis. Recent studies have proposed the involvement of abnormal mitochondrial dynamics mediated by dynamin-related protein 1 (Drp1) in the mechanism of impaired epithelial barrier in ARDS. Hydrogen is an anti-oxidative stress molecule that regulates mitochondrial function via multiple signaling pathways. Our previous study confirmed that hydrogen modulated oxidative stress and attenuated acute pulmonary edema in ARDS by upregulating thioredoxin 1 (Trx1) expression, but the exact mechanism remains unclear. This study aimed to investigate the effects of hydrogen on mitochondrial dynamics both in vivo and in vitro. Our study revealed that hydrogen inhibited lipopolysaccharide (LPS)-induced phosphorylation of Drp1 (at Ser616), suppressed Drp1-mediated mitochondrial fission, alleviated epithelial tight junction damage and cell apoptosis, and improved the integrity of the epithelial barrier. This process was associated with the upregulation of Trx1 in lung epithelial tissues of ARDS mice by hydrogen. In addition, hydrogen treatment reduced the production of reactive oxygen species in LPS-induced airway epithelial cells (AECs) and increased the mitochondrial membrane potential, indicating that the mitochondrial dysfunction was restored. Then, the expression of tight junction proteins occludin and zonula occludens 1 was upregulated, and apoptosis in AECs was alleviated. Remarkably, the protective effects of hydrogen on the mitochondrial and epithelial barrier were eliminated after applying the Trx1 inhibitor PX-12. The results showed that hydrogen significantly inhibited the cell apoptosis and the disruption of epithelial tight junctions, maintaining the integrity of the epithelial barrier in mice of ARDS. This might be related to the inhibition of Drp1-mediated mitochondrial fission through the Trx1 pathway. The findings of this study provided a new theoretical basis for the application of hydrogen in the clinical treatment of ARDS.
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Affiliation(s)
- Yun Long
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Nanjing, 211100, China
| | - Yang Ang
- Department of Anesthesiology, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Wei Chen
- Department of Otolaryngology, Jinling College Affiliated to Nanjing Medical University, Nanjing, 211100, China
| | - Yujie Wang
- Department of Otolaryngology, Jinling College Affiliated to Nanjing Medical University, Nanjing, 211100, China
| | - Min Shi
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Fan Hu
- State Key Labortory of Reproductive Medicine and Offspring Health, Nanjing Medical University, Nanjing, 211166, China
| | - Qingqing Zhou
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Nanjing, 211100, China
| | - Yadan Shi
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Nanjing, 211100, China
| | - Baokui Ge
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Nanjing, 211100, China
| | - Yigen Peng
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Nanjing, 211100, China
| | - Wanyou Yu
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Nanjing, 211100, China
| | - Hongguang Bao
- Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Jiangsu, 210000, China
| | - Qian Li
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Nanjing, 211100, China; Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Jiangsu, 210000, China.
| | - Manlin Duan
- Department of Anesthesiology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, 210019, China.
| | - Ju Gao
- Department of Anesthesiology, Yangzhou Clinical Medical College, Nanjing Medical University, Yangzhou, 225001, China; Department of Anesthesiology, Northern Jiangsu People's Hospital, Yangzhou, 225001, China.
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Wang B, Hui K, Xiong J, Yang C, Cao X, Zhu G, Ang Y, Duan M. Effect of subclavian vein diameter combined with perioperative fluid therapy on preventing post-induction hypotension in patients with ASA status I or II. BMC Anesthesiol 2024; 24:138. [PMID: 38600439 PMCID: PMC11005262 DOI: 10.1186/s12871-024-02514-9] [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: 01/20/2024] [Accepted: 03/28/2024] [Indexed: 04/12/2024] Open
Abstract
BACKGROUND Perioperative hypotension is frequently observed following the initiation of general anesthesia administration, often associated with adverse outcomes. This study assessed the effect of subclavian vein (SCV) diameter combined with perioperative fluid therapy on preventing post-induction hypotension (PIH) in patients with lower ASA status. METHODS This two-part study included patients aged 18 to 65 years, classified as ASA physical status I or II, and scheduled for elective surgery. The first part (Part I) included 146 adult patients, where maximum SCV diameter (dSCVmax), minimum SCV diameter (dSCVmin), SCV collapsibility index (SCVCI) and SCV variability (SCVvariability) assessed using ultrasound. PIH was determined by reduction in mean arterial pressure (MAP) exceeding 30% from baseline measurement or any instance of MAP < falling below 65 mmHg for ≥ a duration of at least 1 min during the period from induction to 10 min after intubation. Receiver Operating Characteristic (ROC) curve analysis was employed to determine the predictive values of subclavian vein diameter and other relevant parameters. The second part comprised 124 adult patients, where patients with SCV diameter above the optimal cutoff value, as determined in Part I study, received 6 ml/kg of colloid solution within 20 min before induction. The study evaluated the impact of subclavian vein diameter combined with perioperative fluid therapy by comparing the observed incidence of PIH after induction of anesthesia. RESULTS The areas under the curves (with 95% confidence intervals) for SCVCI and SCVvariability were both 0.819 (0.744-0.893). The optimal cutoff values were determined to be 45.4% and 14.7% (with sensitivity of 76.1% and specificity of 86.7%), respectively. Logistic regression analysis, after adjusting for confounding factors, demonstrated that both SCVCI and SCVvariability were significant predictors of PIH. A threshold of 45.4% for SCVCI was chosen as the grouping criterion. The incidence of PIH in patients receiving fluid therapy was significantly lower in the SCVCI ≥ 45.4% group compared to the SCVCI < 45.4% group. CONCLUSIONS Both SCVCI and SCVvariability are noninvasive parameters capable of predicting PIH, and their combination with perioperative fluid therapy can reduce the incidence of PIH.
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Affiliation(s)
- Bin Wang
- Department of Anesthesiology, Jinling College affiliated to Nanjing Medical University, Zhongshan East Road #305, Nanjing, Jiangsu Province, 210002, China
| | - Kangli Hui
- Department of Anesthesiology, Jinling College affiliated to Nanjing Medical University, Zhongshan East Road #305, Nanjing, Jiangsu Province, 210002, China
| | - Jingwei Xiong
- Department of Anesthesiology, Jinling College affiliated to Nanjing Medical University, Zhongshan East Road #305, Nanjing, Jiangsu Province, 210002, China
| | - Chongya Yang
- College of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
| | - Xinyu Cao
- College of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
| | - Guangli Zhu
- College of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
| | - Yang Ang
- Department of Anesthesiology, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, Jiangsu Province, 210002, China
| | - Manlin Duan
- Department of Anesthesiology, Jinling College affiliated to Nanjing Medical University, Zhongshan East Road #305, Nanjing, Jiangsu Province, 210002, China.
- Department of Anesthesiology, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210019, China.
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Li Q, Shi M, Ang Y, Yu P, Wan B, Lin B, Chen W, Yue Z, Shi Y, Liu F, Wang H, Duan M, Long Y, Bao H. Hydrogen ameliorates endotoxin-induced acute lung injury through AMPK-mediated bidirectional regulation of Caspase3. Mol Immunol 2024; 168:64-74. [PMID: 38428216 DOI: 10.1016/j.molimm.2024.02.001] [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: 01/31/2023] [Revised: 04/28/2023] [Accepted: 02/01/2024] [Indexed: 03/03/2024]
Abstract
Septic lung injury is characterized by uncontrollable inflammatory infiltrations and acute onset bilateral hypoxemia. Evidence has emerged of the beneficial effect of hydrogen in acute lung injury (ALI), but the underlying mechanism is unclear. In this research, the recovery action of hydrogen on lipopolysaccharide (LPS)-induced ALI in mice and A549 cells was investigated. The 7-day survival rate and body weight of mice were measured after intraperitoneal injection of LPS. Lung function was determined by a whole body plethysmography (WBP) system using the indicators respiratory rate and enhanced pause. Hematoxylin and eosin (HE) staining confirmed the signs of pulmonary edema and inflammatory ooze. Reverse transcription-polymerase chain reaction (RT-PCR) quantification was used to detect the expression of inflammatory factors. Western blotting analysis evaluated the expression levels of involved proteins in the AMP-activated protein kinase (AMPK) pathway. The experimental results confirmed that hydrogen provided an essential solution to the dissipative effects of LPS on survival rate, weight loss and lung function. The LPS-stimulated inflammatory factors, interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) were also suppressed by hydrogen in A549 cells. Western blot analysis showed that hydrogen significantly upregulated the levels of phosphorylated AMPK (p-AMPK) and lowered the LPS-induced increased expression of dynamin-related protein 1 (Drp1) and Caspase3. These findings prove that hydrogen attenuated LPS-treated ALI by activating the AMPK pathway, supporting the feasibility of hydrogen treatment for sepsis.
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Affiliation(s)
- Qian Li
- Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Jiangsu 210000, China; Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Jiangsu 211100, China
| | - Min Shi
- Department of Anesthesiology, the First Affiliated Hospital of Naval Medical University, Shanghai 200433, China; Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu 210093, China
| | - Yang Ang
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu 210093, China
| | - Pan Yu
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu 210093, China
| | - Bing Wan
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Jiangsu 211100, China
| | - Bin Lin
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Jiangsu 211100, China
| | - Wei Chen
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu 210093, China
| | - Zichuan Yue
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu 210093, China
| | - Yadan Shi
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Jiangsu 211100, China
| | - Faqi Liu
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Jiangsu 211100, China
| | - Hao Wang
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Jiangsu 211100, China
| | - Manlin Duan
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Jiangsu 210093, China; Department of Anesthesiology, BenQ Medical Center, the Affiliated BenQ Hospital of Nanjing Medical University, Jiangsu 210019, China.
| | - Yun Long
- Department of Anesthesiology, Jiangning Hospital Affiliated to Nanjing Medical University, Jiangsu 211100, China.
| | - Hongguang Bao
- Department of Anesthesiology, Nanjing First Hospital, Nanjing Medical University, Jiangsu 210000, China.
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Zhu G, Wang X, Cao X, Yang C, Wang B, Ang Y, Duan M. The effect of different endotracheal tube cuff pressure monitoring systems on postoperative sore throat in patients undergoing tracheal intubation: a randomized clinical trial. BMC Anesthesiol 2024; 24:115. [PMID: 38528475 PMCID: PMC10962134 DOI: 10.1186/s12871-024-02499-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 03/15/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND Postoperative sore throat (POST) is an unpleasant outcome that can occur as a result of tracheal intubation in adults. Increased pressure from the endotracheal tube (ETT) cuff often leads to local mucosal injury, resulting in sore throat. The purpose of this study was to compare the effect of two different ETT cuff pressure monitoring systems vs. no cuff pressure monitoring on the incidence and severity of POST in adults. METHODS One hundred and fourteen ASA I-III patients of either gender, aged 18-65 years, and undergoing surgery requiring endotracheal intubation were included in this study. Patients were randomized into three groups: control (C), cuff pressure gauge (G), and automated cuff controller (A). The ETT cuff pressure was not monitored intraoperatively in group C but was monitored using a cuff pressure gauge and an automated cuff controller in groups G and A, respectively. Postoperatively, patients were assessed at 2, 24, and 48 h for the presence and severity of POST, hoarseness and cough. RESULTS One hundred and eleven patients completed the study. POST occurred in 40.5% of the patients in group G (n = 37) (p = 0.013) and 23.7% of the patients in group A (n = 38) (p < 0.001) within 48 h after surgery, compared to 69.4% in group C (n = 36). There were no significant differences in hoarseness, coughing, and dysphagia across the groups at any time. When comparing groups A and C, individuals in group A exhibited a lower occurrence of significant (grade ≥ 2) POST and hoarseness (10.5% vs. 41.7%, p = 0.002; 26.3% vs. 58.3%, p = 0.005). The incidence of significant cough and dysphagia did not differ substantially across the patient groups within 48 h after surgery. POST scores in group A at 2, 24 h postoperatively were both 0 (0-0), which was significantly lower than those in group C (1 (0-2) at 2 h, p < 0.001 ; 1 (0-1) at 24 h, p = 0.001). POST in group G at 2 h postoperatively was graded as 0 (0-1.5) which was milder than group C (P = 0.024). The severity of hoarseness in group A with scores of 0 (0-2) was superior to that in group C (2 (0-2), p = 0.006) at 2 h postoperatively. CONCLUSIONS In conclusion, the findings of this study indicated that the occurrence of POST can be reduced by using either the cuff pressure gauge approach or the automated cuff controller method. The automated cuff controller monitoring can potentially decrease the severity of POST and hoarseness. TRIAL REGISTRATION Chinese Clinical Trial Registry, identifier: ChiCTR2100054089, Date: 08/12/2021.
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Affiliation(s)
- Guangli Zhu
- College of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
- Department of Anesthesiology, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, Jiangsu Province, 210002, China
- Department of Anesthesiology, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, 210019, China
| | - Xuan Wang
- Women's Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210004, China
| | - Xinyu Cao
- College of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
- Department of Anesthesiology, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, Jiangsu Province, 210002, China
| | - Chongya Yang
- College of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
- Department of Anesthesiology, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, Jiangsu Province, 210002, China
| | - Bin Wang
- Department of Anesthesiology, Jinling College affiliated to Nanjing Medical University, Nanjing, Jiangsu, 210002, China
| | - Yang Ang
- Department of Anesthesiology, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, Jiangsu Province, 210002, China
| | - Manlin Duan
- College of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China.
- Department of Anesthesiology, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, Jiangsu Province, 210002, China.
- Department of Anesthesiology, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, 210019, China.
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Peters CJ, Ang Y, Ciccarelli FD, Coles H, Coleman HG, Contino G, Crosby T, Devonshire G, Eldridge M, Freeman A, Grehan N, McCord M, Nutzinger B, Zamani S, Parsons SL, Petty R, Sharrocks AD, Skipworth RJE, Smyth EC, Soomro I, Underwood TJ, Fitzgerald RC. A decade of the Oesophageal Cancer Clinical and Molecular Stratification Consortium. Nat Med 2024; 30:14-16. [PMID: 38114667 DOI: 10.1038/s41591-023-02676-y] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Affiliation(s)
- C J Peters
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Y Ang
- Division of Diabetes, Endocrinology and Gastroenterology, University of Manchester, Manchester, UK
| | - F D Ciccarelli
- Cancer Systems Biology, The Francis Crick Institute, London, UK
| | - H Coles
- Early Cancer Institute, University of Cambridge, Cambridge, UK
| | - H G Coleman
- Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - G Contino
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - T Crosby
- Velindre University NHS Trust, Cardiff, UK
| | - G Devonshire
- Cancer Research UK Cambridge Institute, Cambridge, UK
| | - M Eldridge
- Cancer Research UK Cambridge Institute, Cambridge, UK
| | - A Freeman
- Early Cancer Institute, University of Cambridge, Cambridge, UK
| | - N Grehan
- Early Cancer Institute, University of Cambridge, Cambridge, UK
| | - M McCord
- Heartburn Cancer UK, Basingstoke, UK
| | - B Nutzinger
- Early Cancer Institute, University of Cambridge, Cambridge, UK
| | - S Zamani
- Early Cancer Institute, University of Cambridge, Cambridge, UK
| | - S L Parsons
- Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - R Petty
- School of Medicine, University of Dundee, Dundee, UK
| | - A D Sharrocks
- Division of Molecular and Cellular Function, University of Manchester, Manchester, UK
| | | | - E C Smyth
- Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - I Soomro
- Nottingham University Hospital, Nottingham, UK
| | - T J Underwood
- Institute for Life Sciences, University of Southampton, Southampton, UK
| | - R C Fitzgerald
- Early Cancer Institute, University of Cambridge, Cambridge, UK.
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Ang Y. Let's Talk about Hunger. J Acad Nutr Diet 2022. [DOI: 10.1016/j.jand.2022.06.173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Huang Y, Zhao J, Soon Y, Kee A, Tay S, Aminkeng F, Ang Y, Wong A, Goh B, Soo R. EP08.01-101 Factors Predictive of Primary Resistance to Immune Checkpoint Inhibitors in Asian Patients with Advanced NSCLC. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Huang Y, Zhao J, Soon Y, Wong A, Ang Y, Asokumaran Y, Low J, Lee M, Choo J, Chan G, Kee A, Tay S, Goh B, Soo R. P28.01 Real-World Experience (RWE) of Consolidation Durvalumab After Concurrent Chemoradiotherapy (CCRT) In Stage III NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ang Y, Zheng Q, Soon Y, Soo R. P48.06 A Network Meta-Analysis (MA) of First-Line Lung Cancer Treatment With Epidermal Growth Factor Receptor (EGFR) Tyrosine Kinase Inhibitors (TKIs). J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Huang Y, Soon Y, Aminkeng F, Tay S, Ang Y, Goh B, Wong A, Soo R. P75.10 Risk Factors for Immune-Related Adverse Events from Anti-PD-1/PD-L1 Treatment in an Asian Cohort of NSCLC Patients. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Goldblatt J, Ali U, Ang Y, Merry C, Larbalestier R, Stamp N. R37 The Outcomes of Indigenous Australians Undergoing Isolated Coronary Artery Bypass Graft Surgery at a Single Institution. Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.03.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sun XB, Huang JC, Li TT, Ang Y, Xu XL, Huang M. Effects of preslaughter shackling on postmortem glycolysis, meat quality, changes of water distribution, and protein structures of broiler breast meat. Poult Sci 2019; 98:4212-4220. [PMID: 30982061 DOI: 10.3382/ps/pez175] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 03/15/2019] [Indexed: 11/20/2022] Open
Abstract
The objective of this study was to investigate the effects of preslaughter shackling on stress, postmortem glycolysis, meat quality, water distribution, and protein structures of pectoralis majors. Before slaughter, Arbor Acres broilers (n = 105, 42 days old, 2.0 to 2.5 kg) were randomly categorized into 3 treatment groups: (I) control group without shackling (NS); (II) 2.5 min shackling (SS); (III) 4.5 min shackling (LS). Each treatment group consisted of 5 replicates with 7 broilers each. Results indicated that preslaughter shackling increased (P < 0.05) plasma corticosterone and adrenocorticotropic hormone concentrations in comparison with the control group. Antemortem shackling increased (P < 0.05) activity of glycogen phosphorylase and phosphofructokinase-1 (PFK-1) accompanying with rapid glycolysis and pH decline at early postmortem. LS treatment led to myosin denaturation, decreased (P < 0.05) α-helix content, and increased (P < 0.05) β-sheet structures proportion in the myofibrillar proteins. Furthermore, meat from LS treatment had higher (P < 0.05) lightness, redness, and poorer water-holding capacity. These results indicated that the longer shackling duration (4.5 min) increased stress and the rate of glycolysis, causing myosin denaturation and changes of the secondary structure in the myofibrillar proteins, which aggravated the deterioration of meat quality.
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Affiliation(s)
- X B Sun
- Nanjing Innovation Center of Meat Products Processing, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, and College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - J C Huang
- College of Engineering, Nanjing Agricultural University, Nanjing 210095, China
| | - T T Li
- Nanjing Innovation Center of Meat Products Processing, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, and College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Y Ang
- Nanjing Innovation Center of Meat Products Processing, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, and College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - X L Xu
- Nanjing Innovation Center of Meat Products Processing, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, and College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - M Huang
- Nanjing Innovation Center of Meat Products Processing, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, and College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
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Ang Y, Wong R, Tan C, Blanco M, Huang Y, Goh B, Soo R. Outcomes of sequential epidermal growth factor receptor tyrosine (EGFR) tyrosine kinase inhibitor (TKI) therapy in patients with advanced non-small cell lung carcinoma (NSCLC)- a real-world institutional experience. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz437.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Chan G, Huang Y, Ang Y, Chong W, Muthu V, Wong A, Soo R. P2.04-36 Immune Checkpoint Inhibition for Non-Small Cell Lung Cancer (NSCLC) in Patients with Pulmonary Tuberculosis or Hepatitis B. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Rogerson C, Britton E, Ang Y, Sharrocks A. PO-305 Chromatin accessibility profiling identifies an underlying HNF4A-GATA6 regulatory module in oesophageal adenocarcinoma. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Kutty S, Wang W, Ang Y, Tay Y, Ho J, Meier R. Next-Generation identification tools for Nee Soon freshwater swamp forest,
Singapore. ACTA ACUST UNITED AC 2018. [DOI: 10.26492/gbs70(suppl.1).2018-08] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Lu Z, Ang Y, Simpson I, Chan Y. Urothelial carcinomas arising from ovarian mature cystic teratomas: A case report and systematic review. Pathology 2018. [DOI: 10.1016/j.pathol.2017.11.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Haidry RJ, Butt MA, Dunn JM, Gupta A, Lipman G, Smart HL, Bhandari P, Smith L, Willert R, Fullarton G, Di Pietro M, Gordon C, Penman I, Barr H, Patel P, Kapoor N, Hoare J, Narayanasamy R, Ang Y, Veitch A, Ragunath K, Novelli M, Lovat LB. Improvement over time in outcomes for patients undergoing endoscopic therapy for Barrett's oesophagus-related neoplasia: 6-year experience from the first 500 patients treated in the UK patient registry. Gut 2015; 64:1192-9. [PMID: 25539672 PMCID: PMC4515987 DOI: 10.1136/gutjnl-2014-308501] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Accepted: 11/29/2014] [Indexed: 02/06/2023]
Abstract
BACKGROUND Barrett's oesophagus (BE) is a pre-malignant condition leading to oesophageal adenocarcinoma (OAC). Treatment of neoplasia at an early stage is desirable. Combined endoscopic mucosal resection (EMR) followed by radiofrequency ablation (RFA) is an alternative to surgery for patients with BE-related neoplasia. METHODS We examined prospective data from the UK registry of patients undergoing RFA/EMR for BE-related neoplasia from 2008 to 2013. Before RFA, visible lesions were removed by EMR. Thereafter, patients had RFA 3-monthly until all BE was ablated or cancer developed (endpoints). End of treatment biopsies were recommended at around 12 months from first RFA treatment or when endpoints were reached. Outcomes for clearance of dysplasia (CR-D) and BE (CR-IM) at end of treatment were assessed over two time periods (2008-2010 and 2011-2013). Durability of successful treatment and progression to OAC were also evaluated. RESULTS 508 patients have completed treatment. CR-D and CR-IM improved significantly between the former and later time periods, from 77% and 56% to 92% and 83%, respectively (p<0.0001). EMR for visible lesions prior to RFA increased from 48% to 60% (p=0.013). Rescue EMR after RFA decreased from 13% to 2% (p<0.0001). Progression to OAC at 12 months is not significantly different (3.6% vs 2.1%, p=0.51). CONCLUSIONS Clinical outcomes for BE neoplasia have improved significantly over the past 6 years with improved lesion recognition and aggressive resection of visible lesions before RFA. Despite advances in technique, the rate of cancer progression remains 2-4% at 1 year in these high-risk patients. TRIAL REGISTRATION NUMBER ISRCTN93069556.
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Affiliation(s)
- R J Haidry
- Research Department of Tissue and Energy, Division of Surgery and Interventional Science, University College London, London, UK,Department of Gastroenterology, University College Hospital NHS Foundation Trust, London, UK
| | - M A Butt
- Research Department of Tissue and Energy, Division of Surgery and Interventional Science, University College London, London, UK
| | - J M Dunn
- Guy's and St Thomas’ NHS foundation Trust, London, UK,Institute for Cancer Genetics and Informatics, Oslo University, Oslo, Norway
| | - A Gupta
- Department of Gastroenterology, University College Hospital NHS Foundation Trust, London, UK
| | - G Lipman
- Research Department of Tissue and Energy, Division of Surgery and Interventional Science, University College London, London, UK
| | - H L Smart
- Department of Gastroenterology and Hepatology, Royal Liverpool University Hospital, Liverpool, UK
| | - P Bhandari
- Princess Alexandra Hospital, Portsmouth, UK
| | - L Smith
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - R Willert
- Central Manchester University Hospitals NHS Foundation Trust, Manchester,UK
| | | | | | - C Gordon
- Royal Bournemouth Hospital, Bournemouth, UK
| | - I Penman
- Royal Infirmary Edinburgh, Edinburgh, UK
| | - H Barr
- Oesophagogastric Surgery, Gloucestershire Hospital NHS Trust, Birmingham, UK
| | - P Patel
- Department of Gastroenterology, Southampton University Hospital, Southampton, UK
| | - N Kapoor
- Digestive Diseases Centre, Aintree University Hospital, Liverpool, UK
| | - J Hoare
- St Mary's Hospital NHS Trust, London, UK
| | | | - Y Ang
- Centre of Gastrointestinal Sciences, University of Manchester, Salford Royal Foundation NHS Trust, Salford, UK
| | - A Veitch
- Department of Gastroenterology, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, UK
| | - K Ragunath
- Department of Gastroenterology, Nottingham University Hospital NHS Trust, Nottingham, UK
| | - M Novelli
- Department of Gastroenterology, University College Hospital NHS Foundation Trust, London, UK
| | - L B Lovat
- Research Department of Tissue and Energy, Division of Surgery and Interventional Science, University College London, London, UK,Department of Gastroenterology, University College Hospital NHS Foundation Trust, London, UK
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Ya-Qi H, Xue-Lin Z, Bing-Hang T, Ang Y. Hipbone biomechanical finite element analysis and clinical study after the resection of ischiopubic tumors. Chin Med Sci J 2012; 27:153-160. [PMID: 23062637 DOI: 10.1016/s1001-9294(14)60048-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
OBJECTIVE To investigate the changes of hipbone biomechanics after the resection of ischiopubic tumors and their relationships with the complications in the convalescent stage, and directing the postoperative pelvic reconstruction. METHODS DICOM data were used to create an intact hipbone finite element model and postoperative model. The biomechanical indices on the same region in the two models under the same boundary condition were compared. The differences of displacement, stress, and strain of the two models were analyzed with statistical methods. RESULTS The distribution areas of the hipbone nodes' displacement, stress, and strain were similar before and after the simulated operation. The sacroiliac joint nodes' displacement (P=0.040) and strain (P=0.000), and the acetabular roof nodes' stress (P=0.000) and strain (P=0.005) of two models had significant differences, respectively.But the sacroiliac joint nodes' stress (P=0.076) and the greater sciatic notch nodes' stress (P=0.825) and strain (P=0.506) did not have significant differences. CONCLUSIONS The resection of ischiopubic tumors mainly affect the biomechanical states of the homolateral sacroiliac joint and acetabular roof. The complications in the convalescent stage are due to the biomechanical changes of the sacroiliac joint and the acetabular roof and disappearances of the stabilization and connection functions of the pubic symphysis and superior ramus of pubis.
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Affiliation(s)
- He Ya-Qi
- CT Room, Zhongshan Hospital of Sun Yat-sen University (People's Hospital of Zhongshan City), Zhongshan, Guangdong 528403, China. pig_heyahoo.com.cn
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Farrell RJ, Ang Y, Kileen P, O'Briain DS, Kelleher D, Keeling PW, Weir DG. Increased incidence of non-Hodgkin's lymphoma in inflammatory bowel disease patients on immunosuppressive therapy but overall risk is low. Gut 2000; 47:514-9. [PMID: 10986211 PMCID: PMC1728075 DOI: 10.1136/gut.47.4.514] [Citation(s) in RCA: 147] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND There is concern that the incidence of non-Hodgkin's lymphoma (NHL) will rise with increasing use of immunosuppressive therapy. AIMS Our aim was to determine the risk of NHL in a large cohort of patients with inflammatory bowel disease (IBD), and to study the association between IBD, NHL, and immunosuppressive therapy. METHODS We studied 782 IBD patients (238 of whom received immunosuppressive therapy) who attended our medical centre between 1990 and 1999 (median follow up 8.0 years). Standardised incidence ratios (SIRs) and 95% confidence intervals (CI) were calculated. Expected cases were derived from 1995 age and sex specific incidence rates recorded by the National Cancer Registry of Ireland. RESULTS There were four cases of NHL in our IBD cohort (SIR 31.2; 95% CI 2.0-85; p=0.0001), all of whom had received immunosuppressive therapy: azathioprine (n=2), methotrexate (n=1), and methotrexate and cyclosporin (n=1). Our immunosuppressive group had a significantly (59 times) higher risk of NHL compared with that expected in the general population (p=0.0001). Three cases were intestinal NHL and one was mesenteric. Mean age at NHL diagnosis was 49 years, mean duration of IBD at the time of NHL diagnosis was 3.1 years, and mean duration between initiation of immunosuppressive therapy and diagnosis of NHL was 20 months. CONCLUSIONS Although underlying IBD may be a causal factor in the development of intestinal NHL, our experience suggests that immunosuppressive drugs can significantly increase the risk of NHL in IBD. This must be weighed against the improved quality of life and clinical benefit immunosuppressive therapy provides for IBD patients.
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Affiliation(s)
- R J Farrell
- Department of Clinical Medicine and Gastroenterology, St James's Hospital, Trinity College Dublin, Republic of Ireland.
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