1
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Ng R, Adam A, Poppleton N, Oldmeadow C, Deshpande AV. Lack of consensus in atypical congenital obstructive urethral lesions in children: Snapshot of the web-based ObsCUre (obstruction to the child urethra) study. Curr Urol 2024; 18:12-17. [PMID: 38505150 PMCID: PMC10946652 DOI: 10.1097/cu9.0000000000000092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/19/2021] [Indexed: 11/26/2022] Open
Abstract
Background Atypical Congenital Obstructive Urethral Lesions (ACOUL) are uncommon causes of urethral obstruction in children. They include Cobb's collar or Moorman's ring, Type III posterior urethral valve (PUV), congenital urethral narrowing and anterior urethral valves. This study is aimed to evaluate the knowledge and current practice amongst clinicians attending to ACOUL. An international online case based questionnaire was performed. Materials and methods A survey was administered to members of international urological societies. It included 22 clinical questions on cases with ACOUL (14 questions suitable for statistical analysis) using cases of Type I PUV as controls. Two sets of paired questions evaluated change in opinion(s) after additional information was provided. Results One hundred twenty-one participants responded with 71% reporting exposure of less than 5 cases per annum. In questions regarding diagnosis between 11.6% (14/121) and 21.5% (26/121) of participants identified the ACOUL as PUV. Among them, 66% of respondents agreed on ACOUL's causative role in urethral obstruction. Gini coefficient was consistently lower for ACOUL compared to PUV: diagnosis (mean 0.33 vs. 0.44) and prognosis (0.23 vs. 0.43). High intra-rater concordance (kappa 0.420.57) was observed for paired questions-a mean of 5.79% (7.44% and 4.13% for questions 10 and 12, 16 and 17, respectively) of participants changed their answers from an alternate diagnosis to the correct diagnosis of ACOUL after viewing endoscopic images. High variation in management of ACOUL was noted (Gini 0.51). Conclusions This global snapshot survey identified substantial inconsistency among clinicians dealing with ACOUL. Although rarely encountered in clinical practice, better overall education of ACOUL is warranted.
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Affiliation(s)
- Rachel Ng
- Department of Paediatric Urology, John Hunter Children’s Hospital, New Lambton Heights, NSW, Australia
| | - Ahmed Adam
- Division of Urology, University of the Witwatersrand, Johannesburg, South Africa
| | | | - Christopher Oldmeadow
- CREDITSS Service, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Aniruddh V. Deshpande
- Department of Paediatric Urology, John Hunter Children’s Hospital, New Lambton Heights, NSW, Australia
- Priority Research Centre GrowupWell, Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW, Australia
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2
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Heath J, Chen D, Xie J, Choi J, Ng R, Zhang R, Li S, Edmark R, Zheng H, Solomon B, Campbell K, Medina E, Ribas A, Khatri P, Lanier L, Mease P, Goldman J, Su Y. An NKG2A biased immune response confers protection for infection, autoimmune disease, and cancer. Res Sq 2023:rs.3.rs-3413673. [PMID: 37886475 PMCID: PMC10602172 DOI: 10.21203/rs.3.rs-3413673/v1] [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] [Indexed: 10/28/2023]
Abstract
Infection, autoimmunity, and cancer are the principal human health challenges of the 21st century and major contributors to human death and disease. Often regarded as distinct ends of the immunological spectrum, recent studies have hinted there may be more overlap between these diseases than appears. For example, pathogenic inflammation has been demonstrated as conserved between infection and autoimmune settings. T resident memory (TRM) cells have been highlighted as beneficial for infection and cancer. However, these findings are limited by patient number and disease scope; exact immunological factors shared across disease remain elusive. Here, we integrate large-scale deeply clinically and biologically phenotyped human cohorts of 526 patients with infection, 162 with lupus, and 11,180 with cancer. We identify an NKG2A+ immune bias as associative with protection against disease severity, mortality, and autoimmune and post-acute chronic disease. We reveal that NKG2A+ CD8+ T cells correlate with reduced inflammation, increased humoral immunity, and resemble TRM cells. Our results suggest that an NKG2A+ bias is a pan-disease immunological factor of protection and thus supports recent suggestions that there is immunological overlap between infection, autoimmunity, and cancer. Our findings underscore the promotion of an NKG2A+ biased response as a putative therapeutic strategy.
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3
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Xu AM, Chour W, DeLucia DC, Su Y, Pavlovitch-Bedzyk AJ, Ng R, Rasheed Y, Davis MM, Lee JK, Heath JR. Entropic analysis of antigen-specific CDR3 domains identifies essential binding motifs shared by CDR3s with different antigen specificities. Cell Syst 2023; 14:273-284.e5. [PMID: 37001518 PMCID: PMC10355346 DOI: 10.1016/j.cels.2023.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 09/01/2022] [Accepted: 03/01/2023] [Indexed: 04/22/2023]
Abstract
Antigen-specific T cell receptor (TCR) sequences can have prognostic, predictive, and therapeutic value, but decoding the specificity of TCR recognition remains challenging. Unlike DNA strands that base pair, TCRs bind to their targets with different orientations and different lengths, which complicates comparisons. We present scanning parametrized by normalized TCR length (SPAN-TCR) to analyze antigen-specific TCR CDR3 sequences and identify patterns driving TCR-pMHC specificity. Using entropic analysis, SPAN-TCR identifies 2-mer motifs that decrease the diversity (entropy) of CDR3s. These motifs are the most common patterns that can predict CDR3 composition, and we identify "essential" motifs that decrease entropy in the same CDR3 α or β chain containing the 2-mer, and "super-essential" motifs that decrease entropy in both chains. Molecular dynamics analysis further suggests that these motifs may play important roles in binding. We then employ SPAN-TCR to resolve similarities in TCR repertoires against different antigens using public databases of TCR sequences.
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Affiliation(s)
- Alexander M Xu
- Institute for Systems Biology, Seattle, WA 98109, USA; Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA; Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
| | - William Chour
- Institute for Systems Biology, Seattle, WA 98109, USA; Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA; Keck School of Medicine, University of Southern California, Los Angeles, CA 91125, USA
| | - Diana C DeLucia
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - Yapeng Su
- Institute for Systems Biology, Seattle, WA 98109, USA; Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | | | - Rachel Ng
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Yusuf Rasheed
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Mark M Davis
- Computational and Systems Immunology Program, Stanford University School of Medicine, Stanford, CA 94305, USA; Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA; Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - John K Lee
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Division of Medical Oncology, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - James R Heath
- Institute for Systems Biology, Seattle, WA 98109, USA.
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4
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An J, Tang J, Li BX, Xiong H, Qiu H, Luo L, Wang L, Wang D, Zhou Q, Xu Q, Song H, Zhang Y, Zhang H, Li Y, Yu X, Zhang J, Ng R, Zhao W, Wong M, Dai X, Li G, Wu L. Efficacy and Safety of the Anti-PD-L1 mAb Socazolimab for Recurrent or Metastatic Cervical Cancer: a Phase I Dose-Escalation and Expansion Study. Clin Cancer Res 2022; 28:5098-5106. [PMID: 36136294 DOI: 10.1158/1078-0432.ccr-22-1280] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/27/2022] [Accepted: 09/20/2022] [Indexed: 01/24/2023]
Abstract
PURPOSE This study (ClinicalTrials.gov identifier, NCT03676959) is an open, phase I dose-escalation and expansion study investigating the safety and efficacy of the recombinant, fully human anti-programmed death ligand 1 (PD-L1) mAb socazolimab in patients diagnosed with recurrent or metastatic cervical cancer. PATIENTS AND METHODS Patients received socazolimab every 2 weeks until disease progression. The study was divided into a dose-escalation phase and a dose-expansion phase. Safety and tolerability were primary endpoints of the dose-escalation phase. The primary endpoints of the dose-expansion phase were safety and the objective response rate (ORR) of the 5 mg/kg dose. Efficacy was assessed by the third-party independent review committee (IRC) using the Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1). RESULTS 104 patients were successfully enrolled into the study. Twelve patients were included in the dose-escalation phase, with one complete response and two partial responses in the 5 mg/kg treatment group. Ninety-two patients (5 mg/kg) were enrolled in the dose-expansion phase. Fifty-four patients (59.3%) had baseline PD-L1-positive tumor expression (combined positive score ≥1). ORR was 15.4% [95% confidence interval (CI), 8.7%-24.5%]. Median PFS was 4.44 months (95% CI, 2.37-5.75 months), and the median OS was 14.72 months (95% CI, 9.59-NE months). ORR of PD-L1-positive patients was 16.7%, and the ORR of PD-L1-negative patients was 17.9%. No treatment-related deaths occurred. CONCLUSIONS Our study demonstrates that socazolimab has durable safety and efficacy for the treatment of recurrent or metastatic cervical cancer and exhibits a safety profile similar to other anti-PD-1/PD-L1 mAbs.
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Affiliation(s)
- Jusheng An
- Department of Gynecologic Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jie Tang
- Hunan Tumor Hospital, Hunan, China
| | - Benjamin X Li
- Lee's Pharmaceutical Holdings Limited, Hong Kong SAR
| | - Huihua Xiong
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hui Qiu
- Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Lin Luo
- Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Li Wang
- Henan Cancer Hospital, Henan, China
| | - Danbo Wang
- Liaoning Cancer Hospital, Liaoning, China
| | - Qi Zhou
- Chongqing Cancer Hospital, Chongqing, China
| | - Qin Xu
- Fujian Cancer Hospital, Fujian, China
| | - Honglin Song
- Affiliated Tumor Hospital of Guangxi Medical University, Guangxi, China
| | - Yunyan Zhang
- Affiliated Tumor Hospital of Harbin Medical University, Heilongjiang, China
| | | | - Yujie Li
- Lee's Pharmaceutical Holdings Limited, Hong Kong SAR
| | - Xiaohui Yu
- Lee's Pharmaceutical Holdings Limited, Hong Kong SAR
| | - Jing Zhang
- Lee's Pharmaceutical Holdings Limited, Hong Kong SAR
| | - Rachel Ng
- Lee's Pharmaceutical Holdings Limited, Hong Kong SAR
| | - Wayne Zhao
- Lee's Pharmaceutical Holdings Limited, Hong Kong SAR
| | - Michael Wong
- Lee's Pharmaceutical Holdings Limited, Hong Kong SAR
| | - Xiangrong Dai
- Lee's Pharmaceutical Holdings Limited, Hong Kong SAR
| | - Guiling Li
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lingying Wu
- Department of Gynecologic Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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5
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Chua KQ, Ng R, Sung CLQ, Hartanto A, Oh VYS, Tong EMW. Relationship between contentment and working memory capacity: experimental and naturalistic evidence. Curr Psychol 2022. [DOI: 10.1007/s12144-022-03714-7] [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]
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6
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Ng R, Zuraik C, On P, Khoudigian S, Sharma A, Peloquin F, Fanton Aita F, Rupp M. EP08.02-103 Lorlatinib for ALK+ NSCLC Patients Pretreated with Second-Generation ALK Inhibitors: Canadian Real-World Experience. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.786] [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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7
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Duan R, Liu Y, Hu X, Cui C, Si L, Sheng X, Liu Z, Xiang P, Yan X, Li S, Zhou L, Li J, Li YJ, Ng R, Dai XR, Li BX, Chi Z, Xiao J, Guo J, Tang B. Phase Ib study of anti-PD-L1 monoclonal antibody socazolimab in combination with nab-paclitaxel as first-line therapy for advanced urothelial carcinoma. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.4563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
4563 Background: PD-1/PD-L1 immune checkpoint inhibitors (ICIs)0have demonstrated activity in the postplatinum and platinum-ineligible settings for advanced urothelial carcinoma (aUC). As only around 30% of patients with aUC can tolerate platinum standard treatment, first-line ICIs combined with non-platinum drugs have certain research value. Therefore we assessed the safety and efficacy of anti-PD-L1 monoclonal antibody Socazolimab in combination with nab-paclitaxel as first line therapy in aUC (NCT04603846). Methods: This is a multi-center,single-arm, phase Ib study which enrolled aUC patients with treatment-naive or first recurrence more than 6 months after the end of adjuvant chemotherapy in China. Eligible patients received Socazolimab (5mg/kg) and nab-paclitaxel (260mg/m2) every 3 weeks. Primary endpoint was to investigate the safety and tolerability of nab-paclitaxel in combination with Socazolimab. Second endpoints were the objective response rate (ORR) and progression-free survival (PFS). Results: 20 patients were enrolled, including 5 renal pelvis urothelial carcinoma, 8 bladder urothelial carcinoma, and 7 ureteral carcinoma. The median age was 69 years. As of January 14, 2022, the median follow-up time was 5.49 months. Median number of treatment cycles was 6.5 cycles. No patients had dose limiting toxicity. Among the 17 patients who had received at least one tumor assessment, 8 patients achieved partial responses. ORR was 52.94% (95% CI, 27.81-77.02). DCR was 88.24% (95% CI, 63.56-98.54). Median PFS was 8.18 months (95% CI, 5.32-13.60). Adverse reactions related to the study drug were mainly Grade 1-2. Common adverse reactions included rash (6/20,30%), increased alanine aminotransferase (6/20, 30%), increased γ-glutamyltransferase (4/20, 20%),sinus bradycardia (4/20, 20%), increased aspartate aminotransferase (4/20, 20%),pruritus (3/20, 15%). Grade 3 or higher treatment-related adverse events occurred in 4 (20%) patients, mainly Grade 3 increases in alanine aminotransferase (2/20, 10%). No confirmed treatment-related deaths occurred, and no treatment-related deaths occurred, and no new safety signals were observed. Conclusions: Socazolimab combined with nab-paclitaxel as first-line treatment was effective and well-tolerated in Chinese patients with advanced urothelial carcinoma, warranting phase II trials. Clinical trial information: NCT04603846.
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Affiliation(s)
- Rong Duan
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing, China
| | - Yixun Liu
- The First Affiliated Hospital of USTC (Anhui Provincial Hospital), He Fei, China
| | - Xuechun Hu
- The First Affiliated Hospital of USTC (Anhui Provincial Hospital), He Fei, China
| | - Chuanliang Cui
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Melanoma and Sarcoma,Peking University Cancer Hospital & Institute, Beijing, China
| | - Lu Si
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education, Beijing), Department of Melanoma and Sarcoma Oncology, Beijing Cancer Hospital, Beijing, China
| | - Xinan Sheng
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education, Beijing), Department of Melanoma and Sarcoma Oncology, Beijing Cancer Hospital, Beijing, China
| | - Zhi Liu
- The First Affiliated Hospital of USTC (Anhui Provincial Hospital), He Fei, China
| | - Ping Xiang
- The First Affiliated Hospital of USTC (Anhui Provincial Hospital), He Fei, China
| | - Xieqiao Yan
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Genitourinary Oncology, Peking University Cancer Hospital & Institute, Beijing, China
| | - Siming Li
- Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing, China
| | - Li Zhou
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Genitourinary Oncology, Peking University Cancer Hospital & Institute, Beijing, China
| | - Juan Li
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Genitourinary Oncology,Peking University Cancer Hospital & Institute, Beijing, China
| | - Yu Jie Li
- Lee's Pharmaceutical Holdings Limited, Hong Kong, China
| | - Rachel Ng
- Lee's Pharmaceutical Holdings Limited, Hong Kong, China
| | | | | | - Zhihong Chi
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing, China
| | - Jun Xiao
- The First Affiliated Hospital of USTC, Anhui Provincial Hospital, Hefei, China
| | - Jun Guo
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education, Beijing), Department of Melanoma & Sarcoma,Peking University Cancer Hospital & Institute, Beijing, China
| | - Bixia Tang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Renal Cancer and Melanoma, Peking University Cancer Hospital & Institute, Beijing, China
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8
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An J, Guiling L, Tang J, Li BX, Xiong HH, Qiu H, Luo L, Wang L, Wang D, Zhou Q, Xu Q, Song HL, Zhang YY, Zhang HP, Ng R, Zhao Z, Dai XR, Li YJ, Sun Y, Wu L. Efficacy and safety of the anti–PD-L1 monoclonal antibody socazolimab for recurrent or metastatic cervical cancer: Results from the phase I dose-escalation and expansion study. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.16_suppl.5526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
5526 Background: The study (NCT03676959) is an open-label, phase I study investigating the safety and efficacy of the recombinant, fully human anti-programmed death-ligand 1 (PD-L1) monoclonal antibody socazolimab for recurrent or metastatic cervical cancer. Methods: Patients received socazolimab every 2 weeks until disease progression. The study was divided into a dose-escalation phase and a dose-expansion phase. Safety and tolerability were primary endpoints of the dose-escalation phase. Primary endpoints of the dose-expansion phase were safety and overall response rate (ORR) of the 5mg/kg dose. Efficacy was assessed by a third-party independent review committee (IRC) using the Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1) as the evaluation standard. Pharmacokinetics and pharmacodynamics were also studied. Results: One hundred four patients were enrolled. Twelve patients were included in the dose-escalation phase, with one complete and two partial responses in the 5mg/kg treatment group. Ninety-two patients (5mg/kg) were enrolled in the dose-expansion phase, with 54 patients (59.3%) expressing baseline PD-L1-positive tumors. ORR was 15.4% (95% CI, 8.7 to 24.5%). Median PFS was 4.44 months (95% CI, 2.37 to 5.75 months), and the median OS was 14.72 months (95% CI, 9.59 to NE months). ORRs for PD-L1-positive and PD-L1-negative patients were 16.7% and 17.9%, respectively. Treatment-related grade 3 to 4 adverse events occurred in 7.7% of patients. No treatment-related deaths had occurred. Conclusions: Our study demonstrates that socazolimab has remarkable safety and efficacy for the treatment of recurrent or metastatic cervical cancer and exhibits a safety profile similar to other anti–PD-1/PD-L1 monoclonal antibodies. Clinical trial information: NCT03676959. [Table: see text]
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Affiliation(s)
- Jusheng An
- Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Li Guiling
- Department of Gynecological Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Tang
- Henan Tumor Hospital, Henan, China
| | | | - Hui Hua Xiong
- Tongji Hospital of Tongji Medical College, Wuhan, China
| | - Hui Qiu
- Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Lin Luo
- Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Li Wang
- Henan Cancer Hospital, Zhenzhou, China
| | - Danbo Wang
- Liaoning Cancer Hospital & Institute, Shenyang, China
| | - Qi Zhou
- Department of Gynecological Oncology,Chongqing University Cancer Hospital, Chongqing, China
| | - Qin Xu
- Fujian Cancer Hospital, Fuzhou, China
| | - Hong Lin Song
- Gunangxi Medical University Affiliated Tumor Hospital & Oncology Medical University, Guangxi, China
| | - Yun Yan Zhang
- The Affiliated Tumor Hospital of Harbin Medical University, Harbin, China
| | | | - Rachel Ng
- Lee's Pharmaceutical Holdings Limited, Hong Kong, China
| | - Zewei Zhao
- Lee's Pharmaceutical Holdings Limited, Hong Kong, China
| | | | - Yu Jie Li
- Lee's Pharmaceutical Holdings Limited, Hong Kong, China
| | - Yuanjue Sun
- Lee's Pharmaceutical Holdings Limited, Hong Kong, China
| | - Lingying Wu
- Cancer Hospital Chinese Academy of Medical Sciences, Beijing, China
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9
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Ramos G, Rachatasumrit N, Suh J, Ng R, Meek C. ForSense: Accelerating Online Research Through Sensemaking Integration and Machine Research Support. ACM T INTERACT INTEL 2022. [DOI: 10.1145/3532853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Online research is a frequent and important activity people perform on the Internet, yet current support for this task is basic, fragmented and not well integrated into web browser experiences. Guided by sensemaking theory, we present ForSense, a browser extension for accelerating people’s online research experience. The two primary sources of novelty of ForSense are the integration of multiple stages of online research and providing machine assistance to the user by leveraging recent advances in neural-driven machine reading. We use ForSense as a design probe to explore (1) the benefits of integrating multiple stages of online research, (2) the opportunities to accelerate online research using current advances in machine reading, (3) the opportunities to support online research tasks in the presence of imprecise machine suggestions, and (4) insights about the behaviors people exhibit when performing online research, the pages they visit, and the artifacts they create. Through our design probe, we observe people performing online research tasks, and see that they benefit from ForSense’s integration and machine support for online research. From the information and insights we collected, we derive and share key recommendations for designing and supporting imprecise machine assistance for research tasks.
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10
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Dong K, Chen V, Shannon C, Tebbutt S, Ng R, Quon B. 533: Whole-blood transcriptome biomarkers of pulmonary exacerbations in cystic fibrosis. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)01957-3] [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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11
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Khezri R, Holland P, Schoborg TA, Abramovich I, Takáts S, Dillard C, Jain A, O'Farrell F, Schultz SW, Hagopian WM, Quintana EM, Ng R, Katheder NS, Rahman MM, Teles Reis JG, Brech A, Jasper H, Rusan NM, Jahren AH, Gottlieb E, Rusten TE. Host autophagy mediates organ wasting and nutrient mobilization for tumor growth. EMBO J 2021; 40:e107336. [PMID: 34309071 PMCID: PMC8441431 DOI: 10.15252/embj.2020107336] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 05/14/2021] [Accepted: 06/01/2021] [Indexed: 11/15/2022] Open
Abstract
During tumor growth—when nutrient and anabolic demands are high—autophagy supports tumor metabolism and growth through lysosomal organelle turnover and nutrient recycling. Ras‐driven tumors additionally invoke non‐autonomous autophagy in the microenvironment to support tumor growth, in part through transfer of amino acids. Here we uncover a third critical role of autophagy in mediating systemic organ wasting and nutrient mobilization for tumor growth using a well‐characterized malignant tumor model in Drosophila melanogaster. Micro‐computed X‐ray tomography and metabolic profiling reveal that RasV12; scrib−/− tumors grow 10‐fold in volume, while systemic organ wasting unfolds with progressive muscle atrophy, loss of body mass, ‐motility, ‐feeding, and eventually death. Tissue wasting is found to be mediated by autophagy and results in host mobilization of amino acids and sugars into circulation. Natural abundance Carbon 13 tracing demonstrates that tumor biomass is increasingly derived from host tissues as a nutrient source as wasting progresses. We conclude that host autophagy mediates organ wasting and nutrient mobilization that is utilized for tumor growth.
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Affiliation(s)
- Rojyar Khezri
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Petter Holland
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Todd Andrew Schoborg
- Cell Biology and Physiology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Ifat Abramovich
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Bat Galim, Haifa, Israel
| | - Szabolcs Takáts
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Caroline Dillard
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Ashish Jain
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Fergal O'Farrell
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Sebastian Wolfgang Schultz
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - William M Hagopian
- Centre for Earth Evolution and Dynamics, University of Oslo, Oslo, Norway
| | - Eduardo Martin Quintana
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Rachel Ng
- Cell Biology and Physiology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Nadja Sandra Katheder
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway.,Immunology Discovery, Genentech, Inc., South San Francisco, CA, USA
| | - Mohammed Mahidur Rahman
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - José Gerardo Teles Reis
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Andreas Brech
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Heinrich Jasper
- Immunology Discovery, Genentech, Inc., South San Francisco, CA, USA.,Buck Institute for Research on Aging, Novato, CA, USA
| | - Nasser M Rusan
- Cell Biology and Physiology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Anne Hope Jahren
- Centre for Earth Evolution and Dynamics, University of Oslo, Oslo, Norway
| | - Eyal Gottlieb
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Bat Galim, Haifa, Israel
| | - Tor Erik Rusten
- Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
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12
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Yu CC, Koh EJ, Low JA, Ong ML, Sim AGH, Hong DYQ, Chong R, Low J, Ng R. Correction to: A multi-site study on the impact of an advance care planning workshop on attitudes, beliefs and behavioural intentions over a 6-month period. BMC Med Educ 2021; 21:372. [PMID: 34238268 PMCID: PMC8264986 DOI: 10.1186/s12909-021-02816-3] [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] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Affiliation(s)
- C C Yu
- Geriatric Education and Research Institute, 2 Yishun Central 2, Singapore, 768024, Singapore.
| | - E J Koh
- Geriatric Education and Research Institute, 2 Yishun Central 2, Singapore, 768024, Singapore
| | - J A Low
- Geriatric Education and Research Institute, 2 Yishun Central 2, Singapore, 768024, Singapore
- Khoo Teck Puat Hospital, Singapore, Singapore
| | - M L Ong
- Khoo Teck Puat Hospital, Singapore, Singapore
| | - A G H Sim
- Singapore General Hospital, Singapore, Singapore
| | - D Y Q Hong
- Singapore General Hospital, Singapore, Singapore
| | - R Chong
- Tan Tock Seng Hospital, Singapore, Singapore
| | - J Low
- Tan Tock Seng Hospital, Singapore, Singapore
| | - R Ng
- Geriatric Education and Research Institute, 2 Yishun Central 2, Singapore, 768024, Singapore
- Tan Tock Seng Hospital, Singapore, Singapore
- Woodlands Health Campus, Singapore, Singapore
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13
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Brown CE, Alizadeh D, Jonsson V, Hibbard J, Yahn S, Wong RA, Yang X, Ng R, Dullerud N, Maker M, Gholamin S, Starr R, Banovich N, Forman SJ, Badie B. Abstract 59: CAR T cell therapy reshapes the tumor microenvironment to promote host antitumor immune repsonses in glioblastoma. Cancer Res 2021. [DOI: 10.1158/1538-7445.am2021-59] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
CAR T cell therapy is emerging as a promising strategy to treat cancer and may offer new therapeutic options for individuals diagnosed with glioblastoma (GBM) and other solid tumors. While early clinical studies evaluating CAR T cell therapy in GBM have established evidence of safety and bioactivity, objective clinical responses have been limited. It remains unclear whether productive CAR T cell therapy for solid tumors requires solely CAR T cell engagement with tumor antigen, or if it also necessitates the stimulation of a patient's endogenous immune response. Focusing on our preclinical and clinical program evaluating IL13Rα2-targeted CAR-T cells for the treatment of IL13Rα2-positive glioblastoma (GBM), we set out to mechanistically interrogate the interplay between CAR T cell therapy and the host tumor microenvironment. We designed a murine CAR T cell syngeneic platform in C57BL/6 immunocompetent mice and demonstrate that single intratumoral infusion of IL13Rα2-CAR T cells mediate potent antitumor activity against established KR158 tumors, a highly invasive and poorly immunogenic murine glioma model. We demonstrate that CAR T cell treatment of mouse syngeneic GBM alters the tumor immune landscape, activates intratumoral myeloid cells and induces endogenous T cell memory responses coupled with feed forward propagation of CAR T responses. IFNγ production by CAR T cells and IFNγ-responsiveness of host immune cells is critical for tumor immune landscape remodeling to promote a more activated and less suppressive tumor microenvironment. The clinical relevance of these findings was explored in patient samples from our on-going IL13Rα2-CAR T cell phase I clinical trial [NCT02208362]. Consistent with our preclinical findings, we show that locoregional CAR T cell infusions result in spikes in inflammatory cytokines and an influx of endogenous immune cells into the cerebrospinal fluid (CSF) and resected tumor cavity. Single cell RNA-sequencing revealed unique genes upregulated in immune cells from blood and CSF samples after treatment. One patient of particular interest, who presented with recurrent multifocal GBM, remarkably achieved a complete response (CR) following locoregional delivery of IL13Rα2-CAR T cells, despite heterogeneous IL13Rα2 tumor expression (PMID: 28029927). In this responding patient, we now show the induction of endogenous tumor-specific T cell reactivity and T cell clones whose dynamics contracted with tumor volume following IL13Rα2-targeted CAR T therapy. These studies establish that CAR T cell therapy has the potential to re-shape the tumor microenvironment, creating a context permissible for eliciting endogenous antitumor immunity and emphasize the importance of the host innate and adaptive immunity in productive CAR T cell therapy of solid tumors.
Citation Format: Christine E. Brown, Darya Alizadeh, Vanessa Jonsson, Jonathan Hibbard, Stephanie Yahn, Robyn A. Wong, Xin Yang, Rachel Ng, Natalie Dullerud, Madeleine Maker, Sharahreh Gholamin, Renate Starr, Nicholas Banovich, Stephen J. Forman, Behnam Badie. CAR T cell therapy reshapes the tumor microenvironment to promote host antitumor immune repsonses in glioblastoma [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2021; 2021 Apr 10-15 and May 17-21. Philadelphia (PA): AACR; Cancer Res 2021;81(13_Suppl):Abstract nr 59.
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Affiliation(s)
| | | | | | | | | | - Robyn A. Wong
- 1Beckman Research Institute of City of Hope, Duarte, CA
| | - Xin Yang
- 1Beckman Research Institute of City of Hope, Duarte, CA
| | - Rachel Ng
- 1Beckman Research Institute of City of Hope, Duarte, CA
| | | | | | | | - Renate Starr
- 1Beckman Research Institute of City of Hope, Duarte, CA
| | | | | | - Behnam Badie
- 1Beckman Research Institute of City of Hope, Duarte, CA
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14
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Yu CC, Koh EJ, Low JA, Ong ML, Sim AGH, Hong DYQ, Chong R, Low J, Ng R. A multi-site study on the impact of an advance care planning workshop on attitudes, beliefs and behavioural intentions over a 6-month period. BMC Med Educ 2021; 21:298. [PMID: 34034725 PMCID: PMC8146668 DOI: 10.1186/s12909-021-02735-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 05/13/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND This study evaluated the impact of the adapted version of the Respecting Choices® The Living Matters Advance Care Planning (ACP) facilitator training programme on trainees' attitudes on facilitation 6 months post-training. SETTING AND PARTICIPANTS Two hundred and twenty-one healthcare professionals consisting of doctors, nurses, medical social workers from different training venues in Singapore participated in the first phase of the study (pre- and post) of which 107 participated in the second phase 6 months later (follow-up). METHODS Participants self-rated their attitudes, beliefs and behavioural intentions through surveys at three time points in an evaluation design that utilised repeated measures one-way ANOVA (pre-, post-, follow-up). Between-group differences were also examined using independent t-test. RESULTS At follow-up, mean scores increased significantly in understanding, confidence, and competence. Changes in effect sizes were large. Although trainees continued to think that ACP is emotionally draining for facilitators, more than before, facilitation experience was considered pleasant for themselves with the positive change significant and moderate in effect size. Those who had experience completing/initiating ACP significantly held more positive views than those who did not. CONCLUSIONS The ACP facilitator training programme had lasting effects on enhancing the understanding, competence, and confidence of trainees. Importantly, findings showed that experience in actual facilitation within 6 months after training was important and giving trainees opportunities to facilitate is recommended.
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Affiliation(s)
- C C Yu
- Geriatric Education and Research Institute, 2 Yishun Central 2, Singapore, 768024, Singapore.
| | - E J Koh
- Geriatric Education and Research Institute, 2 Yishun Central 2, Singapore, 768024, Singapore
| | - J A Low
- Geriatric Education and Research Institute, 2 Yishun Central 2, Singapore, 768024, Singapore
- Khoo Teck Puat Hospital, Singapore, Singapore
| | - M L Ong
- Khoo Teck Puat Hospital, Singapore, Singapore
| | - A G H Sim
- Singapore General Hospital, Singapore, Singapore
| | - D Y Q Hong
- Singapore General Hospital, Singapore, Singapore
| | - R Chong
- Tan Tock Seng Hospital, Singapore, Singapore
| | - J Low
- Tan Tock Seng Hospital, Singapore, Singapore
| | - R Ng
- Geriatric Education and Research Institute, 2 Yishun Central 2, Singapore, 768024, Singapore
- Tan Tock Seng Hospital, Singapore, Singapore
- Woodlands Health Campus, Singapore, Singapore
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15
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Kolarich A, Ring N, Pang S, Farhan A, Covarrubias O, Ng R, Solomon A, Gullotti D, Holly B, Hong K, Georgiades C. Abstract No. 195 National trends in transjugular intrahepatic portosystemic shunt placement, revision, and trainee procedure involvement. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.201] [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] Open
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16
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Ng R, Lyons G. Abstract No. 513 Endovascular interventions safely and effectively maintain long-term patency in patients with arterial complications of liver transplantation. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.322] [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] Open
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17
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Uchida K, Ng R, Vydro SA, Smith JE, Blumstein DT. The benefits of being dominant: health correlates of male social rank and age in a marmot. Curr Zool 2021; 68:19-26. [PMID: 35169626 PMCID: PMC8836331 DOI: 10.1093/cz/zoab034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 04/22/2021] [Indexed: 11/13/2022] Open
Abstract
Abstract
The benefits of dominance may not come without costs, particularly for males. For example, the “immunocompetence handicap hypothesis” states that males with enhanced mating success allocate resources to enhance reproductive output at a cost to their current health, whereas the “resource quality hypothesis” predicts that high-ranking males may benefit from increased reproduction and good health. Whereas the predictions from each have been well tested in captive animals and in a variety of highly social primates, fewer studies have been carried out in free-living, facultatively social animals. Using adult male yellow-bellied marmots (Marmota flaviventer), we evaluated predictions of these hypotheses by examining the relationship between social rank and 2 health indicators—fecal glucocorticoid metabolite (FCM) levels, and neutrophil/lymphocyte (N/L) ratios—after accounting for variation explained by age, body mass, and seasonality. We found that higher-ranking males tended to have a lower N/L ratio (reflecting good health) than lower-ranking individuals, whereas FCM levels were not significantly related to rank. In addition, heavier male marmots had lower N/L ratios, whereas body mass was not associated with FCM levels. We also found that older adult males had lower FCM levels (reflecting less physiological stress) but higher N/L ratios than younger adults. Finally, we found that FCM levels decreased as the active season progressed and FCM levels were associated with the time of the day. Overall, our results suggest that socially-dominant male marmots enjoyed better, not worse health in terms of lower N/L ratios.
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Affiliation(s)
- Kenta Uchida
- Department of Ecology & Evolutionary Biology, University of California, Los Angeles, CA 90095-1606, USA
| | - Rachel Ng
- Department of Ecology & Evolutionary Biology, University of California, Los Angeles, CA 90095-1606, USA
| | - Samuel A Vydro
- Department of Ecology & Evolutionary Biology, University of California, Los Angeles, CA 90095-1606, USA
| | - Jennifer E Smith
- Department of Ecology & Evolutionary Biology, University of California, Los Angeles, CA 90095-1606, USA
- Department of Biology, Mills College, Oakland, CA 94613, USA
| | - Daniel T Blumstein
- Department of Ecology & Evolutionary Biology, University of California, Los Angeles, CA 90095-1606, USA
- The Rocky Mountain Biological Laboratory, Crested Butte, CO 81224, USA
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18
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Iszatt J, Ng R, Vaitekenas A, Poh M, Laucirica D, McLean S, Hillas J, Garratt L, Larcombe A, Stick S, Kicic A. P151 Improved isolation yields for bacteriophage active against Staphylococcus aureus. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)01177-2] [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: 11/16/2022]
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19
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Vahidi Ferdowsi P, Ng R, Adulcikas J, Sohal SS, Myers S. Zinc Modulates Several Transcription-Factor Regulated Pathways in Mouse Skeletal Muscle Cells. Molecules 2020; 25:molecules25215098. [PMID: 33153045 PMCID: PMC7663025 DOI: 10.3390/molecules25215098] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 10/28/2020] [Indexed: 02/07/2023] Open
Abstract
Zinc is an essential metal ion involved in many biological processes. Studies have shown that zinc can activate several molecules in the insulin signalling pathway and the concomitant uptake of glucose in skeletal muscle cells. However, there is limited information on other potential pathways that zinc can activate in skeletal muscle. Accordingly, this study aimed to identify other zinc-activating pathways in skeletal muscle cells to further delineate the role of this metal ion in cellular processes. Mouse C2C12 skeletal muscle cells were treated with insulin (10 nM), zinc (20 µM), and the zinc chelator TPEN (various concentrations) over 60 min. Western blots were performed for the zinc-activation of pAkt, pErk, and pCreb. A Cignal 45-Reporter Array that targets 45 signalling pathways was utilised to test the ability of zinc to activate pathways that have not yet been described. Zinc and insulin activated pAkt over 60 min as expected. Moreover, the treatment of C2C12 skeletal muscle cells with TPEN reduced the ability of zinc to activate pAkt and pErk. Zinc also activated several associated novel transcription factor pathways including Nrf1/Nrf2, ATF6, CREB, EGR1, STAT1, AP-1, PPAR, and TCF/LEF, and pCREB protein over 120 min of zinc treatment. These studies have shown that zinc’s activity extends beyond that of insulin signalling and plays a role in modulating novel transcription factor activated pathways. Further studies to determine the exact role of zinc in the activation of transcription factor pathways will provide novel insights into this metal ion actions.
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20
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O'Hearn K, Gertsman S, Webster R, Tsampalieros A, Ng R, Gibson J, Sampson M, Sikora L, McNally JD. Efficacy and safety of disinfectants for decontamination of N95 and SN95 filtering facepiece respirators: a systematic review. J Hosp Infect 2020; 106:504-521. [PMID: 32800824 PMCID: PMC7423630 DOI: 10.1016/j.jhin.2020.08.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/06/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Decontaminating and reusing filtering facepiece respirators (FFRs) for healthcare workers is a potential solution to address inadequate FFR supply during a global pandemic. AIM The objective of this review was to synthesize existing data on the effectiveness and safety of using chemical disinfectants to decontaminate N95 FFRs. METHODS A systematic review was conducted on disinfectants to decontaminate N95 FFRs using Embase, Medline, Global Health, Google Scholar, WHO feed, and MedRxiv. Two reviewers independently determined study eligibility and extracted predefined data fields. Original research reporting on N95 FFR function, decontamination, safety, or FFR fit following decontamination with a disinfectant was included. FINDINGS AND CONCLUSION A single cycle of vaporized hydrogen peroxide (H2O2) successfully removes viral pathogens without affecting airflow resistance or fit, and maintains an initial filter penetration of <5%, with little change in FFR appearance. Residual hydrogen peroxide levels following decontamination were within safe limits. More than one decontamination cycle of vaporized H2O2 may be possible but further information is required on how multiple cycles would affect FFR fit in a real-world setting before the upper limit can be established. Although immersion in liquid H2O2 does not appear to adversely affect FFR function, there is no available data on its ability to remove infectious pathogens from FFRs or its impact on FFR fit. Sodium hypochlorite, ethanol, isopropyl alcohol, and ethylene oxide are not recommended due to safety concerns or negative effects on FFR function.
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Affiliation(s)
- K O'Hearn
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada.
| | - S Gertsman
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
| | - R Webster
- Clinical Research Unit, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - A Tsampalieros
- Clinical Research Unit, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - R Ng
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
| | - J Gibson
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
| | - M Sampson
- Library Services, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - L Sikora
- Health Sciences Library, University of Ottawa, Ottawa, Ontario, Canada
| | - J D McNally
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada; Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.
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21
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O'Hearn K, Gertsman S, Sampson M, Webster R, Tsampalieros A, Ng R, Gibson J, Lobos AT, Acharya N, Agarwal A, Boggs S, Chamberlain G, Staykov E, Sikora L, McNally JD. Decontaminating N95 and SN95 masks with ultraviolet germicidal irradiation does not impair mask efficacy and safety. J Hosp Infect 2020; 106:163-175. [PMID: 32687870 DOI: 10.31219/osf.io/29z6u] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 07/13/2020] [Indexed: 05/29/2023]
Abstract
Inadequate supply of filtering facepiece respirators (FFRs) for healthcare workers during a pandemic such as the novel coronavirus outbreak (SARS-CoV-2) is a serious public health issue. The aim of this study was to synthesize existing data on the effectiveness of ultraviolet germicidal irradiation (UVGI) for N95 FFR decontamination. A systematic review (PROSPERO CRD42020176156) was conducted on UVGI in N95 FFRs using Embase, Medline, Global Health, Google Scholar, WHO feed, and MedRxiv. Two reviewers independently determined eligibility and extracted predefined variables. Original research reporting on function, decontamination, or mask fit following UVGI were included. Thirteen studies were identified, comprising 54 UVGI intervention arms and 58 N95 models. FFRs consistently maintained certification standards following UVGI. Aerosol penetration averaged 1.19% (0.70-2.48%) and 1.14% (0.57-2.63%) for control and UVGI arms, respectively. Airflow resistance for the control arms averaged 9.79 mm H2O (7.97-11.70 mm H2O) vs 9.85 mm H2O (8.33-11.44 mm H2O) for UVGI arms. UVGI protocols employing a cumulative dose >20,000 J/m2 resulted in a 2-log reduction in viral load. A >3-log reduction was observed in seven UVGI arms using >40,000 J/m2. Impact of UVGI on fit was evaluated in two studies (16,200; 32,400 J/m2) and no evidence of compromise was found. Our findings suggest that further work in this area (or translation to a clinical setting) should use a cumulative UV-C dose of 40,000 J/m2 or greater, and confirm appropriate mask fit following decontamination.
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Affiliation(s)
- K O'Hearn
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - S Gertsman
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - M Sampson
- Library Services, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - R Webster
- Clinical Research Unit, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - A Tsampalieros
- Clinical Research Unit, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - R Ng
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - J Gibson
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - A T Lobos
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada; Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - N Acharya
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, Canada
| | - A Agarwal
- Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - S Boggs
- Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - G Chamberlain
- Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - E Staykov
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
| | - L Sikora
- Health Sciences Library, University of Ottawa, Ottawa, ON, Canada
| | - J D McNally
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada; Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada.
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22
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O'Hearn K, Gertsman S, Sampson M, Webster R, Tsampalieros A, Ng R, Gibson J, Lobos AT, Acharya N, Agarwal A, Boggs S, Chamberlain G, Staykov E, Sikora L, McNally JD. Decontaminating N95 and SN95 masks with ultraviolet germicidal irradiation does not impair mask efficacy and safety. J Hosp Infect 2020; 106:163-175. [PMID: 32687870 PMCID: PMC7367810 DOI: 10.1016/j.jhin.2020.07.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [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: 04/11/2020] [Accepted: 07/13/2020] [Indexed: 10/27/2022]
Abstract
Inadequate supply of filtering facepiece respirators (FFRs) for healthcare workers during a pandemic such as the novel coronavirus outbreak (SARS-CoV-2) is a serious public health issue. The aim of this study was to synthesize existing data on the effectiveness of ultraviolet germicidal irradiation (UVGI) for N95 FFR decontamination. A systematic review (PROSPERO CRD42020176156) was conducted on UVGI in N95 FFRs using Embase, Medline, Global Health, Google Scholar, WHO feed, and MedRxiv. Two reviewers independently determined eligibility and extracted predefined variables. Original research reporting on function, decontamination, or mask fit following UVGI were included. Thirteen studies were identified, comprising 54 UVGI intervention arms and 58 N95 models. FFRs consistently maintained certification standards following UVGI. Aerosol penetration averaged 1.19% (0.70-2.48%) and 1.14% (0.57-2.63%) for control and UVGI arms, respectively. Airflow resistance for the control arms averaged 9.79 mm H2O (7.97-11.70 mm H2O) vs 9.85 mm H2O (8.33-11.44 mm H2O) for UVGI arms. UVGI protocols employing a cumulative dose >20,000 J/m2 resulted in a 2-log reduction in viral load. A >3-log reduction was observed in seven UVGI arms using >40,000 J/m2. Impact of UVGI on fit was evaluated in two studies (16,200; 32,400 J/m2) and no evidence of compromise was found. Our findings suggest that further work in this area (or translation to a clinical setting) should use a cumulative UV-C dose of 40,000 J/m2 or greater, and confirm appropriate mask fit following decontamination.
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Affiliation(s)
- K O'Hearn
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - S Gertsman
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - M Sampson
- Library Services, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - R Webster
- Clinical Research Unit, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - A Tsampalieros
- Clinical Research Unit, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - R Ng
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - J Gibson
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - A T Lobos
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada; Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - N Acharya
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, Canada
| | - A Agarwal
- Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - S Boggs
- Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - G Chamberlain
- Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada
| | - E Staykov
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
| | - L Sikora
- Health Sciences Library, University of Ottawa, Ottawa, ON, Canada
| | - J D McNally
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada; Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada.
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Hughes C, Musselman EA, Walsh L, Mariscal T, Warner S, Hintze A, Rashidi N, Gordon-Murer C, Tanha T, Licudo F, Ng R, Tran J. The mPOWERED Electronic Learning System for Intimate Partner Violence Education: Mixed Methods Usability Study. JMIR Nurs 2020; 3:e15828. [PMID: 34345778 PMCID: PMC8279438 DOI: 10.2196/15828] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 11/01/2019] [Accepted: 11/25/2019] [Indexed: 11/14/2022] Open
Abstract
Background Nurse practitioners are a common resource for victims of intimate partner violence (IPV) presenting to health care settings. However, they often have inadequate knowledge about IPV and lack self-efficacy and confidence to be able to screen for IPV and communicate effectively with patients. Objective The aim of this study was to develop and test the usability of a blended learning system aimed at educating nurse practitioner students on topics related to IPV (ie, the mPOWERED system [Health Equity Institute]). Methods Development of the mPOWERED system involved usability testing with 7 nurse educators (NEs) and 18 nurse practitioner students. Users were asked to complete usability testing using a speak-aloud procedure and then complete a satisfaction and usability questionnaire. Results Overall, the mPOWERED system was deemed to have high usability and was positively evaluated by both NEs and nurse practitioner students. Respondents provided critical feedback that will be used to improve the system. Conclusions By including target end users in the design and evaluation of the mPOWERED system, we have developed a blended IPV learning system that can easily be integrated into health care education. Larger-scale evaluation of the pedagogical impact of this system is underway.
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Affiliation(s)
- Charmayne Hughes
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Elaine A Musselman
- School of Nursing San Francisco State University San Francisco, CA United States
| | - Lilia Walsh
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Tatiana Mariscal
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Sam Warner
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Amy Hintze
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Neela Rashidi
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Chloe Gordon-Murer
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Tiana Tanha
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Fahrial Licudo
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Rachel Ng
- Health Equity Institute San Francisco State University San Francisco, CA United States
| | - Jenna Tran
- Health Equity Institute San Francisco State University San Francisco, CA United States
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Ferreira D, Ng R, Lai E, Collins N, Thompson-Bowe K, Kehr J, Singh D. 668 Kawasaki Disease in the Australian Population: The John Hunter Hospital Experience. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Vucic E, Marshall E, Ng R, Lam S, Lam W. P2.03-24 Concurrent Aberrations in G2/M-Phase Transcriptional Programs and Genomic Gatekeepers Highlight Lung Cancer Predisposition in COPD Patients. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1471] [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: 11/30/2022]
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26
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Ng R, Eliezer D, Vilain R, Kamien B, Deshpande AV. Fatal Exsanguination Following Rupture of an Iliac Artery Aneurysm in an Infant With Menkes Disease. Pediatr Dev Pathol 2019; 22:486-491. [PMID: 30935272 DOI: 10.1177/1093526619841152] [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] [Indexed: 11/15/2022]
Abstract
Menkes disease (MD) usually presents in infancy with respiratory and neurological complications. Severe isolated vasculo-connective tissue involvement in infancy is rare, and hence the precise and timely diagnosis is difficult. We report a case of an 8-week-old male infant who succumbed to acute, severe exsanguination, and hemorrhagic shock secondary to a large retroperitoneal hematoma due to rupture of a right iliac artery aneurysm. Perimortem musculoskeletal findings raised suspicion of nonaccidental injury. However, postmortem review of facial traits raised the suspicion of MD. MD was subsequently confirmed on genetic testing. Child health clinicians must remain aware of MD as a rare cause of infant vasculopathy or atypical skeletal abnormalities.
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Affiliation(s)
- Rachel Ng
- Department of Paediatric Surgery, John Hunter Children's Hospital, Newcastle, Australia
| | - Dilharan Eliezer
- Department of Paediatric Surgery, John Hunter Children's Hospital, Newcastle, Australia
- School of Medicine and Public Health, University of Newcastle, Newcastle, Australia
| | - Ricardo Vilain
- School of Medicine and Public Health, University of Newcastle, Newcastle, Australia
- Pathology North - Hunter, NSW Health Pathology, Newcastle, Australia
| | - Benjamin Kamien
- School of Medicine and Public Health, University of Newcastle, Newcastle, Australia
- Hunter Genetics, Waratah, Australia
| | - Aniruddh V Deshpande
- Department of Paediatric Surgery, John Hunter Children's Hospital, Newcastle, Australia
- School of Medicine and Public Health, University of Newcastle, Newcastle, Australia
- Priority Research Centre GrowUpWell, University of Newcastle, Newcastle, Australia
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Dong K, Foster L, Tebbutt S, Ng R, Sin D, Quon B. P216 Untargeted plasma proteomics to identify novel blood biomarkers of treatment response in cystic fibrosis pulmonary exacerbations. J Cyst Fibros 2019. [DOI: 10.1016/s1569-1993(19)30509-0] [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: 10/26/2022]
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Abstract
BACKGROUND Taxi driving has been associated with the risk of various diseases (e.g. cardiovascular disease, hypertension, diabetes, hyperlipaemia, back pain). Little is known about the relationship between health conditions and driving fitness of older taxi drivers who continue to work. AIMS To investigate the (i) prevalence of medical conditions and (ii) relationship between age and medical conditions, with on-road driving tests in the relicensing process of older taxi drivers aged ≥70 years, prior to the mandatory retirement age of 75 years. METHODS We analysed retrospectively all relicensing records (N = 855) of taxi drivers aged 70, 73 and 74 years that were submitted from April 2014 to April 2015. RESULTS All passed their medical fitness screening. Ninety-eight per cent passed their driving tests. Thirty-one per cent, 36% and 24% reported none, one and two medical conditions, respectively. These included hypertension (56%), eye disease (25%; cataracts 19%), diabetes (24%), corrected hearing impairment (14%), hyperlipaemia (12%) and heart disease (9%). Deafness (P < 0.001) was associated with older age. No past medical condition affected driving outcome. CONCLUSION Older Singaporean taxi drivers were healthy and generally competent drivers. Early effective preventive health screening and modifiable lifestyle intervention are recommended in older taxi drivers.
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Affiliation(s)
- M-L Chan
- Department of Occupational Therapy, Tan Tock Seng Hospital, Singapore
| | - Y Wong
- Singapore Clinical Research Institute, Singapore
| | - R Ng
- Lee Kuan Yew School of Public Policy, National University of Singapore, Singapore
| | - G C-H Koh
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore
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Daneman N, Homenauth E, Saskin R, Ng R, Ha A, Wijeysundera HC. The predictors and economic burden of early-, mid- and late-onset cardiac implantable electronic device infections: a retrospective cohort study in Ontario, Canada. Clin Microbiol Infect 2019; 26:255.e1-255.e6. [PMID: 30797886 DOI: 10.1016/j.cmi.2019.02.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [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: 11/29/2018] [Revised: 02/05/2019] [Accepted: 02/08/2019] [Indexed: 12/23/2022]
Abstract
The rate of cardiac implantable electronic device (CIED) infection is increasing with time. We sought to determine the predictors, relative mortality, and cost burden of early-, mid- and late-onset CIED infections. We conducted a retrospective cohort study of all CIED implantations in Ontario, Canada between April 2013 and March 2016. The procedures and infections were identified in validated, population-wide health-care databases. Infection onset was categorized as early (0-30 days), mid (31-182 days) and late (183-365 days). Cox proportional hazards regression was used to assess the mortality impact of CIED infections, with infection modelled as a time-varying covariate. A generalized linear model with a log-link and γ distribution was used to compare health-care system costs by infection status. Among 17 584 patients undergoing CIED implantation, 215 (1.2%) developed an infection, including 88 early, 85 mid, and 42 late infections. The adjusted hazard ratio (aHR) of death was higher for patients with early (aHR 2.9, 95% CI 1.7-4.9), mid (aHR 3.3, 95% CI 1.9-5.7) and late (aHR 19.9, 95% CI 9.9-40.2) infections. Total mean 1-year health costs were highest for late-onset (mean Can$113 778), followed by mid-onset (mean Can$85 302), and then early-onset (Can$75 415) infections; costs for uninfected patients were Can$25 631. After accounting for patient and procedure characteristics, there was a significant increase in costs associated with early- (rate ratio (RR) 3.1, 95% CI 2.3-4.1), mid- (RR 2.8, 95% CI 2.4-3.3) and late- (RR 4.7, 95% CI 3.6-6.2) onset infections. In summary, CIED infections carry a tremendous clinical and economic burden, and this burden is disproportionately high for late-onset infections.
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Affiliation(s)
- N Daneman
- Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; Division of Infectious Diseases, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
| | - E Homenauth
- Institute for Clinical Evaluative Sciences, Toronto, ON, Canada
| | - R Saskin
- Institute for Clinical Evaluative Sciences, Toronto, ON, Canada
| | - R Ng
- Institute for Clinical Evaluative Sciences, Toronto, ON, Canada
| | - A Ha
- Division of Cardiology, University Health Network, Toronto, ON, Canada
| | - H C Wijeysundera
- Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Division of Cardiology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
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Blumberger DM, Seitz DP, Herrmann N, Kirkham JG, Ng R, Reimer C, Kurdyak P, Gruneir A, Rapoport MJ, Daskalakis ZJ, Mulsant BH, Vigod SN. Low medical morbidity and mortality after acute courses of electroconvulsive therapy in a population-based sample. Acta Psychiatr Scand 2017; 136:583-593. [PMID: 28922451 DOI: 10.1111/acps.12815] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/31/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND To determine event rates for specific medical events and mortality among individuals receiving electroconvulsive therapy (ECT). METHOD Population-based cohort study using health administrative data of acute ECT treatments delivered in Ontario, Canada, from 2003 to 2011. We measured the following medical event rates, per 10 000 ECT treatments, up to 7 and 30 days post-treatment: stroke, seizure, acute myocardial infarction, arrhythmia, pneumonia, pulmonary embolus, deep vein thrombosis, gastrointestinal bleeding, falls, hip fracture, and mortality. RESULTS A total of 135 831 ECT treatments were delivered to 8810 unique patients. Overall medical event rates were 9.1 and 16.8 per 10 000 ECT treatments respectively. The most common medical events were falls (2.7 and 5.5 per 10 000 ECT treatments) and pneumonia (1.8 and 3.8 per 10 000 ECT treatments). Fewer than six deaths occurred on the day of an ECT treatment. This corresponded to a mortality rate of less than 0.4 per 10 000 treatments. Deaths within 7 and 30 days of an ECT treatment, excluding deaths due to external causes (e.g., accidental and intentional causes of death), were 1.0 and 2.4 per 10 000 ECT treatments respectively. CONCLUSION Morbidity and mortality events after ECT treatments were relatively low, supporting ECT as a low-risk medical procedure.
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Affiliation(s)
- D M Blumberger
- Centre for Addiction and Mental Health, Campbell Family Research Institute, Toronto, ON, Canada.,Faculty of Medicine, Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - D P Seitz
- Department of Psychiatry, Providence Care Mental Health Services, Queen's University, Kingston, ON, Canada.,Institute for Clinical Evaluative Sciences, Toronto, ON, Canada
| | - N Herrmann
- Faculty of Medicine, Department of Psychiatry, University of Toronto, Toronto, ON, Canada.,Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - J G Kirkham
- Department of Psychiatry, Providence Care Mental Health Services, Queen's University, Kingston, ON, Canada
| | - R Ng
- Institute for Clinical Evaluative Sciences, Toronto, ON, Canada
| | - C Reimer
- Department of Anesthesia, Providence Care Mental Health Services, Queen's University, Kingston, ON, Canada
| | - P Kurdyak
- Centre for Addiction and Mental Health, Campbell Family Research Institute, Toronto, ON, Canada.,Faculty of Medicine, Department of Psychiatry, University of Toronto, Toronto, ON, Canada.,Institute for Clinical Evaluative Sciences, Toronto, ON, Canada
| | - A Gruneir
- Institute for Clinical Evaluative Sciences, Toronto, ON, Canada.,Department of Family and Community Medicine, University of Alberta, Edmonton, AB, Canada
| | - M J Rapoport
- Faculty of Medicine, Department of Psychiatry, University of Toronto, Toronto, ON, Canada.,Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Z J Daskalakis
- Centre for Addiction and Mental Health, Campbell Family Research Institute, Toronto, ON, Canada.,Faculty of Medicine, Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - B H Mulsant
- Centre for Addiction and Mental Health, Campbell Family Research Institute, Toronto, ON, Canada.,Faculty of Medicine, Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - S N Vigod
- Faculty of Medicine, Department of Psychiatry, University of Toronto, Toronto, ON, Canada.,Institute for Clinical Evaluative Sciences, Toronto, ON, Canada.,Women's College Hospital and Research Institute, Toronto, ON, Canada
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Abstract
Objective Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by an array of organ manifestations that can appear during flares and disappear during remissions. The objectives of this study were: (i) to examine SLE manifestation groups longitudinally in an SLE cohort; and (ii) to assess the association between early antimalarial treatment and renal manifestations. Methods Seven SLE manifestation groups-cutaneous, hematologic, lung, musculoskeletal, neuropsychiatric, serositis, renal-were tracked using Kaplan-Meier survival curves in an incident SLE cohort from Quebec health administrative data ( n = 2010). A subgroup with provincial drug insurance coverage was followed over time to examine the association between early antimalarial treatment (within three months after SLE diagnosis) and renal manifestations using a Cox proportional hazards survival model. Results Cutaneous manifestations was the most common manifestation at SLE diagnosis (30.0%, 95% CI: 27.7-32.2%). About two-thirds (66.2%, 95% CI: 63.4-68.9%) of patients had evidence of at least one SLE manifestation at diagnosis, which increased to 87.2% (95% CI: 84.2-90.3%) by the end of follow-up. After adjusting for age, sex, early concomitant systemic steroid therapy, Charlson comorbidity index, primary care visits in the year prior and other SLE manifestations at baseline, no statistically significant association was established between antimalarial therapy and renal manifestations. Conclusion This study provides insight regarding organ manifestations within a population-based sample. Most patients identified with SLE had other diagnostic evidence that supports an underlying diagnosis of SLE. No protective effects for antimalarial agents against renal manifestations could be established in this population-based cohort.
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Affiliation(s)
- R Ng
- 1 Research Institute of the McGill University Health Centre, Medicine, Montreal, Canada
| | - S Bernatsky
- 2 Divisions of Rheumatology and Clinical Epidemiology, McGill University Health Centre, Medicine - Rheumatology, Montreal, Canada
| | - E Rahme
- 3 McGill University Health Centre, Clinical Epidemiology, Montreal, Canada
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Ng R, Phey X, Ng T, Yeo H, Shwe M, Gan Y, Ho H, Chan A. Impact of adjuvant anthracycline-based and taxane-based chemotherapy on plasma VEGF levels and cognitive function in early-stage breast cancer patients. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw390.69] [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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Louie K, Minor A, Ng R, Poon K, Chow V, Ma S. Evaluation of DNA methylation at imprinted DMRs in the spermatozoa of oligozoospermic men in association with MTHFR C677T genotype. Andrology 2016; 4:825-31. [PMID: 27369467 DOI: 10.1111/andr.12240] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [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: 01/05/2016] [Revised: 05/17/2016] [Accepted: 05/20/2016] [Indexed: 11/30/2022]
Abstract
Altered DNA methylation has been previously identified in the spermatozoa of infertile men; however, the origins of these errors are poorly understood. DNA methylation is an epigenetic modification which is thought to play a fundamental role in male germline development. DNA methylation reactions rely on the cellular availability of methyl donors, which are primarily products of folate metabolism, where a key enzyme is methylenetetrahydrofolate reductase (MTHFR). The MTHFR C677T single nucleotide polymorphism (SNP) reduces enzyme activity and may potentially alter DNA methylation processes during germline development. The objective of this study was to determine whether altered DNA methylation in spermatozoa is associated with the MTHFR C677T SNP. DNA methylation was evaluated at the H19, IG-GTL2, and MEST imprinted differentially methylated regions in the spermatozoa of 53 men - 44 oligozoospermic men and nine fertile men with normal sperm parameters via bisulfite sequencing of sperm clones. The 44 infertile men were stratified by severity of oligozoospermia - three normal (>15 million spermatozoa/mL), eight moderate (5-15 million spermatozoa/mL), 23 severe (1-5 million spermatozoa/mL), and 10 very severe (<1 million spermatozoa/mL). MTHFR C677T SNP genotyping was conducted in a subset of 44 peripheral blood samples via restriction fragment length polymorphism. A total of three men - severe oligozoospermic and CT genotype - were found to be altered, which is defined as having ≥50% of their clones altered, where an altered clone was in turn defined as ≥50% of CpGs with incorrect DNA methylation patterns. The incidence of three altered men within the CT subgroup, however, was not significantly higher than the incidence in the CC subgroup. Taken together, altered DNA methylation in spermatozoa was not significantly associated with the MTHFR C677T SNP; however, there was a trend for higher incidence of alterations among severe oligozoospermic infertile men with CT genotypes.
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Affiliation(s)
- K Louie
- Department of Obstetrics and Gynaecology, University of British Columbia, Vancouver, BC, Canada
| | - A Minor
- Department of Obstetrics and Gynaecology, University of British Columbia, Vancouver, BC, Canada
| | - R Ng
- Department of Obstetrics and Gynaecology, University of British Columbia, Vancouver, BC, Canada
| | - K Poon
- Department of Obstetrics and Gynaecology, University of British Columbia, Vancouver, BC, Canada
| | - V Chow
- Department of Obstetrics and Gynaecology, University of British Columbia, Vancouver, BC, Canada
| | - S Ma
- Department of Obstetrics and Gynaecology, University of British Columbia, Vancouver, BC, Canada
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Ramdat JE, Chong R, Ng R, Chau H, May YZ, Loke A. P-18 Continuous quality improvement to increase ACP visibility in inpatient wards. BMJ Support Palliat Care 2015. [DOI: 10.1136/bmjspcare-2015-000978.148] [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]
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Chong R, Ramdat JE, Ng R, Chau H, May YZ, Loke A. P-103 Honouring patients’ advance care plan – a post-death audit review. BMJ Support Palliat Care 2015. [DOI: 10.1136/bmjspcare-2015-000978.232] [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]
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36
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Cheung YT, Ng T, Shwe M, Ho HK, Foo KM, Cham MT, Lee JA, Fan G, Tan YP, Yong WS, Madhukumar P, Loo SK, Ang SF, Wong M, Chay WY, Ooi WS, Dent RA, Yap YS, Ng R, Chan A. Association of proinflammatory cytokines and chemotherapy-associated cognitive impairment in breast cancer patients: a multi-centered, prospective, cohort study. Ann Oncol 2015; 26:1446-51. [PMID: 25922060 PMCID: PMC4478978 DOI: 10.1093/annonc/mdv206] [Citation(s) in RCA: 155] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Accepted: 04/20/2015] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Existing evidence suggests that proinflammatory cytokines play an intermediary role in postchemotherapy cognitive impairment. This is one of the largest multicentered, cohort studies conducted in Singapore to evaluate the prevalence and proinflammatory biomarkers associated with cognitive impairment in breast cancer patients. PATIENTS AND METHODS Chemotherapy-receiving breast cancer patients (stages I-III) were recruited. Proinflammatory plasma cytokines concentrations [interleukin (IL)-1β, IL-2, IL-4, IL-6, IL-8, IL-10, granulocyte-macrophage colony-stimulating factor, interferon-γ and tumor necrosis factor-α] were evaluated at 3 time points (before chemotherapy, 6 and 12 weeks after chemotherapy initiation). The FACT-Cog (version 3) was utilized to evaluate patients' self-perceived cognitive disturbances and a computerized neuropsychological assessment (Headminder) was administered to evaluate patients' memory, attention, response speed and processing speed. Changes of cognition throughout chemotherapy treatment were compared against the baseline. Linear mixed-effects models were applied to test the relationships of clinical variables and cytokine concentrations on self-perceived cognitive disturbances and each objective cognitive domain. RESULTS Ninety-nine patients were included (age 50.5 ± 8.4 years; 81.8% Chinese; mean duration of education = 10.8 ± 3.3 years). Higher plasma IL-1β was associated with poorer response speed performance (estimate: -0.78; 95% confidence interval (CI) -1.34 to -0.03; P = 0.023), and a higher concentration of IL-4 was associated with better response speed performance (P = 0.022). Higher concentrations of IL-1β and IL-6 were associated with more severe self-perceived cognitive disturbances (P = 0.018 and 0.001, respectively). Patients with higher concentrations of IL-4 also reported less severe cognitive disturbances (P = 0.022). CONCLUSIONS While elevated concentrations of IL-6 and IL-1β were observed in patients with poorer response speed performance and perceived cognitive disturbances, IL-4 may be protective against chemotherapy-associated cognitive impairment. This study is important because cytokines would potentially be mechanistic mediators of chemotherapy-associated cognitive changes.
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Affiliation(s)
- Y T Cheung
- Department of Pharmacy, National University of Singapore, Singapore Department of Pharmacy, National Cancer Centre Singapore, Singapore
| | - T Ng
- Department of Pharmacy, National University of Singapore, Singapore Department of Pharmacy, National Cancer Centre Singapore, Singapore
| | - M Shwe
- Department of Pharmacy, National University of Singapore, Singapore
| | - H K Ho
- Department of Pharmacy, National University of Singapore, Singapore
| | | | - M T Cham
- Breast Centre, KK Women's and Children's Hospital, Singapore
| | - J A Lee
- Breast Centre, KK Women's and Children's Hospital, Singapore
| | - G Fan
- Departments of Psychosocial Oncology, National Cancer Centre Singapore, Singapore
| | - Y P Tan
- Departments of Psychosocial Oncology, National Cancer Centre Singapore, Singapore
| | - W S Yong
- Surgical Oncology, National Cancer Centre Singapore, Singapore
| | - P Madhukumar
- Surgical Oncology, National Cancer Centre Singapore, Singapore
| | - S K Loo
- Medical Oncology, National Cancer Centre Singapore, Singapore
| | - S F Ang
- Medical Oncology, National Cancer Centre Singapore, Singapore
| | - M Wong
- Medical Oncology, National Cancer Centre Singapore, Singapore
| | - W Y Chay
- Medical Oncology, National Cancer Centre Singapore, Singapore
| | - W S Ooi
- Medical Oncology, National Cancer Centre Singapore, Singapore
| | - R A Dent
- Medical Oncology, National Cancer Centre Singapore, Singapore Clinical Sciences, DUKE-NUS Graduate Medical School, Singapore, Singapore
| | - Y S Yap
- Medical Oncology, National Cancer Centre Singapore, Singapore
| | - R Ng
- Medical Oncology, National Cancer Centre Singapore, Singapore Clinical Sciences, DUKE-NUS Graduate Medical School, Singapore, Singapore
| | - A Chan
- Department of Pharmacy, National University of Singapore, Singapore Department of Pharmacy, National Cancer Centre Singapore, Singapore Clinical Sciences, DUKE-NUS Graduate Medical School, Singapore, Singapore
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Meredith A, Dai L, Chen V, Seidman M, Hollander Z, Ng R, Wilson-McManus J, Kaan A, Tebbutt S, Ramanathan K, Cheung A, McManus B. CIRCULATING BIOMARKER RESPONSES TO MEDICAL MANAGEMENT VERSUS MECHANICAL CIRCULATORY SUPPORT IN SEVERE INOTROPE-DEPENDENT ACUTE HEART FAILURE. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.415] [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: 10/24/2022] Open
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Neumann M, Ng R, Rhodes G, Palermo R. Determinants of ensemble representations for face identity. J Vis 2014. [DOI: 10.1167/14.10.555] [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: 11/24/2022] Open
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Baker CR, Forshaw MJ, Gossage JA, Ng R, Mason RC. Long-term outcome and quality of life after supercharged jejunal interposition for oesophageal replacement. Surgeon 2014; 13:187-93. [PMID: 24507388 DOI: 10.1016/j.surge.2014.01.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Revised: 12/18/2013] [Accepted: 01/03/2014] [Indexed: 02/06/2023]
Abstract
BACKGROUND The consequences of major conduit necrosis following oesophagectomy are devastating. Jejunal interposition with vascular supercharging is an alternative reconstructive method if colon is unavailable. Aims of this study were to review the long-term outcome and quality of life of patients undergoing this surgery in our tertiary unit. METHODS Patients undergoing oesophageal reconstruction with supercharged jejunum were identified and retrospective review of hospital notes performed. Each patient was then interviewed for follow up data and quality of life assessment using the EORTC QLQ-C30 questionnaire. RESULTS Six patients (5 men) (median age 59 years (range 34-72) underwent supercharged pedicled jejunal (SPJ) interposition from May 2005-August 2010. Indications for surgery were loss of both gastric and colonic conduits following surgery for oesophageal cancer (n = 4), loss of gastric conduit and previous colectomy (n = 1) and lastly, gastric and colonic infarction in a strangulated paraoesophageal hernia (n = 1). Median time to reconstruction was 12 months [6-15 range]. There were no in-hospital deaths. Median postoperative stay was 46 days [13-118]. Three patients required surgical re-intervention for leak, sepsis and reflux, respectively. Median follow up was 6.5 years [range 7-102 months]. One patient died seven months following surgery due to respiratory complications. On follow up, 5 patients have an enteral diet without supplemental nutrition, maintaining weight and good quality of life scores. CONCLUSIONS Supercharged jejunal interposition is a suitable alternative conduit for delayed oesophageal replacement in patients with otherwise limited reconstructive options. Good functional outcomes can be achieved despite formidable technical challenges in this group.
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Affiliation(s)
- Cara R Baker
- Department of Upper GI Surgery, St Thomas' Hospital, London, UK.
| | | | - James A Gossage
- Department of Upper GI Surgery, St Thomas' Hospital, London, UK
| | - R Ng
- Department of Plastic Surgery, St Thomas' Hospital, London, UK
| | - Robert C Mason
- Department of Upper GI Surgery, St Thomas' Hospital, London, UK.
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Zhang ZJ, Ng R, Man SC, Li JTY, Wong W, Wong HK, Wang D, Wong MT, Tsang AWK, Yip KC, Sze SCW. Use of electroacupuncture to accelerate the antidepressant action of selective serotonin reuptake inhibitors: a single-blind, randomised, controlled study. Hong Kong Med J 2013; 19 Suppl 9:12-16. [PMID: 24473583] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023] Open
Abstract
1. Patients treated with dense cranial electroacupuncture stimulation (DCEAS) had a significantly greater reduction in the 17-item Hamilton Rating Scale for Depression scores and clinically significant response to treatment than those having sham acupuncture (19.4% vs.8.8%). 2. Neither sham acupuncture nor DCEAS had effects on the platelet serotonin system. 3. In the early phase of selective serotonin reuptake inhibitor treatment for depressed patients, DCEAS could be used as an additional therapy. 4. Neurobiological mechanisms responsible for DCEAS effects warrant further investigation using neuroimaging.
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Affiliation(s)
- Z J Zhang
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong
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Ioannou K, Bennett M, Ignaszewski A, Tung S, Krahn A, Wilson-McManus J, Dai D, Assadian S, Hollander Z, McManus B, Park H, Woo K, Kang H, Ng R. Ensemble Analysis Using Blood-Based Biomarkers, Ambulatory Electrocardiography and Clinical Variables Predicts 30 Day Hospitalization in Patients With Heart Failure. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.320] [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: 10/26/2022] Open
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42
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Ng R, Chong R, Chau H, Poi CH, Eng Ramdat J, May YZ, Loke A, Wu HY. STARTING PILOTS IN ADVANCE CARE PLANNING IN A TERTIARY HOSPITAL IN SINGAPORE: 1 YEAR REVIEW. BMJ Support Palliat Care 2013. [DOI: 10.1136/bmjspcare-2013-000491.141] [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: 11/04/2022]
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Ng R, Chong R. PERCEPTIONS OF BENEFITS AND BARRIERS IN CONDUCTING ADVANCE CARE PLANNING: A CROSS-SECTIONAL SURVEY OF TRAINED ADVANCE CARE PLANNING FACILITATORS. BMJ Support Palliat Care 2013. [DOI: 10.1136/bmjspcare-2013-000491.140] [Citation(s) in RCA: 2] [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: 11/03/2022]
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Ng R, Chong R, Chau H, Poi CH, Eng Ramdat J, May YZ, Loke A, Wu HY. ADVANCE CARE PLANNING AS A DYNAMIC PROCESS: A DESCRIPTIVE 1 YEAR REVIEW OF CHANGES IN ACP PLANS IN TAN TOCK SENG HOSPITAL. BMJ Support Palliat Care 2013. [DOI: 10.1136/bmjspcare-2013-000491.139] [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]
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Guyette J, Song J, Chuang W, Ng R, Charest J, Gaudette G, Vacanti J, Ott H. Decellularizing Human Hearts: Characterizing Native Cardiac Matrix for Clinical Translation. J Heart Lung Transplant 2013. [DOI: 10.1016/j.healun.2013.01.918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Cheung Y, Shwe M, Tan Y, Fan G, Ng R, Chan A. Cognitive changes in multiethnic Asian breast cancer patients: a focus group study. Ann Oncol 2012; 23:2547-2552. [DOI: 10.1093/annonc/mds029] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Gok Oguz E, Olmaz R, Turgutalp K, Muslu N, Sungur MA, Kiykim A, Van Biesen W, Vanmassenhove J, Glorieux G, Vanholder R, Chew S, Forster K, Kaufeld T, Kielstein J, Schilling T, Haverich A, Haller H, Schmidt B, Hu P, Liang X, Liang X, Chen Y, LI R, Jiang F, LI Z, Shi W, Lim CCW, Lim CCW, Chia CML, Tan AK, Tan CS, Hu P, Liang X, Liang X, Chen Y, LI R, Jiang F, LI Z, Shi W, Ng R, Subramani S, Chew S, Perez de Jose A, Bernis Carro C, Madero Jarabo R, Bustamante J, Sanchez Tomero JA, Chung W, Ro H, Chang JH, Lee HH, Jung JY, Vanmassenhove J, Van Biesen W, Glorieux G, Vanholder R, Fazzari L, Giuliani A, Scrivano J, Pettorini L, Benedetto U, Luciani R, Roscitano A, Napoletano A, Coclite D, Cordova E, Punzo G, Sinatra R, Mene P, Pirozzi N, Shavit L, Shavit L, Manilov R, Algur N, Wiener-Well Y, Slotki I, Pipili C, Pipili C, Vrettou CS, Avrami K, Economidou F, Glynos K, Ioannidou S, Markaki V, Douka E, Nanas S, De Pascalis A, De Pascalis A, Cofano P, Proia S, Valletta A, Vitale O, Russo F, Buongiorno E, Filiopoulos V, Biblaki D, Lazarou D, Chrysis D, Fatourou M, Lafoyianni S, Vlassopoulos D, Zakiyanov O, Kriha V, Vachek J, Svarcova J, Zima T, Tesar V, Kalousova M, Kaushik M, Kaushik M, Ronco C, Cruz D, Zhang L, Zhang W, Zhang W, Chen N, Ejaz AA, Kambhampati G, Ejaz N, Dass B, Lapsia V, Arif AA, Asmar A, Shimada M, Alsabbagh M, Aiyer R, Johnson R, Chen TH, Chang CH, Chang MY, Tian YC, Hung CC, Fang JT, Yang CW, Chen YC, Cantaluppi V, Quercia AD, Figliolini F, Giacalone S, Pacitti A, Gai M, Guarena C, Leonardi G, Leonardi G, Biancone L, Camussi G, Segoloni GP, De Cal M, Lentini P, Clementi A, Virzi GM, Scalzotto E, Ronco C, Lacquaniti A, Lacquaniti A, Donato V, Fazio MR, Lucisano S, Cernaro V, Lupica R, Buemi M, Turgutalp K, Helvaci I, Anik E, Kiykim A, Wani M, Wani DI, Bhat DMA, Banday DK, Najar DMS, Reshi DAR, Palla DNA, Turgutalp K, Kiykim A, Helvaci I, Iglesias P, Olea T, Vega-Cabrera C, Heras M, Bajo MA, Del Peso G, Arias MJ, Selgas R, Diez JJ, Daher E, Costa PL, Pereira ENS, Santos RDP, Abreu KL, Silva Junior G, Pereira EDB, Raimundo M, Crichton S, Syed Y, Martin J, Whiteley C, Bennett D, Ostermann M, Gjyzari A, Thereska N, Koroshi A, Barbullushi M, Kodra S, Idrizi A, Strakosha A, Petrela E, Raimundo M, Crichton S, Syed Y, Martin J, Lemmich Smith J, Bennett D, Ostermann M, Klimenko A, Tuykhmenev E, Villevalde S, Kobalava Z, Avdoshina S, Villevalde S, Tyukhmenev E, Efremovtseva M, Kobalava Z, Hayashi H, Hayashi H, Suzuki S, Kataoka K, Kondoh Y, Taniguchi H, Sugiyama D, Nishimura K, Sato W, Maruyama S, Matsuo S, Yuzawa Y, Geraldine D, Muriel F, Alexandre H, Eric R, Fu P, Zhang L, Pozzato M, Ferrari F, Cecere P, Mesiano P, Vallero A, Livigni S, Quarello F, Hudier L, Decaux O, Haddj-Elmrabet A, Mandart L, Lino-Daniel M, Bridoux F, Renaudineau E, Sawadogo T, Le Pogamp P, Vigneau C, Famee D, Koo HM, Oh HJ, Han SH, Choi KH, Kang SW, Mehdi M, Nicolas M, Mariat C, Shah P, Kute VB, Vanikar A, Gumber M, Patel H, Trivedi H, Pipili C, Pipili C, Manetos C, Vrettou CS, Poulaki S, Tripodaki ES, Papastylianou A, Routsi C, Nanas S, Uchida K, Kensuke U, Yamagata K, Saitou C, Okada M, Chita G, Davies M, Veriawa Y, Naicker S, Mukhopadhyay P, Mukherjee D, Mishra R, Kar M, Zickler D, Wesselmann H, Schindler R, Gutierrez* E, Egido J, Rubio-Navarro A, Buendia I, Blanco-Colio LM, Toldos O, Manzarbeitia F, De Lorenzo A, Sanchez R, Praga^ M, Moreno^ JA, Kim MY, Kang NR, Jang HR, Lee JE, Huh W, Kim YG, Kim DJ, Hong SC, Kim JS, Oh HY, Okamoto T, Kamata K, Naito S, Tazaki H, Kan S, Anne-Kathrin LG, Matthias K, Speer T, Andreas L, Heinrich G, Thomas V, Poppleton A, Danilo F, Matthias K, Lai CF, Wu VC, Shiao CC, Huang TM, Wu KD, Bedford M, Farmer C, Irving J, Stevens P, Patera F, Patera F, Mattozzi F, Battistoni S, Fagugli RM, Park MY, Choi SJ, Kim JG, Hwang SD, Xie H, Chen H, Xu S, He Q, Liu J, Hu W, Liu Z, Dalboni M, Blaya R, Quinto BM, Narciso R, Oliveira M, Monte J, Durao M, Cendoroglo M, Batista M, Hanemann AL, Liborio A, Daher E, Martins A, Pinheiro MCC, Silva Junior G, Meneses G, De Paula Pessoa R, Sousa M, Bezerra FSM, Albuquerque PLMM, Lima JB, Lima CB, Veras MDSB, Silva Junior G, Daher E, Nemoto Matsui T, Totoli C, Cruz Andreoli MC, Vilela Coelho MP, Guimaraes de Souza NK, Ammirati AL, De Carvalho Barreto F, Ferraz Neto BH, Fortunato Cardoso Dos Santos B, Abraham A, Abraham G, Mathew M, Duarte PMA, Duarte FB, Barros EM, Castro FQS, Silva Junior G, Daher E, Palomba H, Castro I, Sousa SR, Jesus AN, Romano T, Burdmann E, Yu L, Kwon SH, You JY, Hyun YK, Woo SA, Jeon JS, Noh HJ, Han DC, Tozija L, Tozija L, Petronievic Z, Selim G, Nikolov I, Stojceva-Taneva O, Cakalaroski K, Lukasz A, Beneke J, Schmidt B, Kielstein J, Haller H, Menne J, Schiffer M, Polanco N, Hernandez E, Gutierrez E, Gutierrez Millet V, Gonzalez Monte E, Morales E, Praga M, Francisco Javier L, Nuria GF, Jose Maria MG, Bes Rastrollo M, Angioi A, Conti M, Cao R, Atzeni A, Pili G, Matta V, Murgia E, Melis P, Binda V, Pani A, Thome* F, Leusin F, Barros E, Morsch C, Balbinotto A, Pilla C, Premru V, Buturovic-Ponikvar J, Ponikvar R, Marn-Pernat A, Knap B, Kovac J, Gubensek J, Kersnic B, Krnjak L, Prezelj M, Granatova J, Havrda M, Hruskova Z, Kratka K, Remes O, Mokrejsova M, Bolkova M, Lanska V, Rychlik I, Uniacke MD, Lewis RJ, Harris S, Roderick P, Thome* F, Balbinotto A, Barros E, Morsch C, Martin N, Ulrich K, Jan B, Jorn B, Reinhard B, Jan K, Hermann H, Meyer Tobias F, Leyla R, Schmidt Bernhard MW, Harald S, Jurgen S, Tanja K, Menne J, Mario S, Jan B, Jan B, Sang Hi E, Leyla R, Claus M, Frank V, Aleksej S, Sengul S, Jan K, Jorn B, Reinhard B, Meyer Tobias F, Schmidt Bernhard MW, Mario S, Martin N, Ulrich K, Robert S, Karin W, Tanja K, Hermann H, Menne J, Leyla R, Leyla R, Jan K, Jan B, Reinhard B, Feikah G, Hermann H, Tanja K, Ulrich K, Menne Tobias F, Claus M, Martin N, Mario S, Schmidt Bernhard MW, Harald S, Jurgen S, Menne J, Claus M, Claus M, Jan K, Jan B, Reinhard B, Feikah G, Hermann H, Ulrich K, Menne Tobias F, Meyer Tobias N, Martin N, Leyla R, Schmidt Bernhard MW, Harald S, Jurgen S, Tanja K, Mario S, Menne J, Kielstein J, Beutel G, Fleig S, Steinhoff J, Meyer T, Hafer C, Bramstedt J, Busch V, Vischedyk M, Kuhlmann U, Ries W, Mitzner S, Mees S, Stracke S, Nurnberger J, Gerke P, Wiesner M, Sucke B, Abu-Tair M, Kribben A, Klause N, Schindler R, Merkel F, Schnatter S, Dorresteijn E, Samuelsson O, Brunkhorst R, Stec-Hus Registry G, Reising A, Hafer C, Kielstein J, Schmidt B, Bange FC, Hiss M, Vetter F, Kielstein J, Beneke J, Bode-Boger SM, Martens-Lobenhoffer J, Schiffer M, Schmidt BMW, Haller H, Menne J, Kielstein JT, Shin HS, Jung YS, Rim H. AKI - Clinical. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs235] [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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Wilson-McManus J, Hollander Z, Cohen Freue G, Balshaw R, Borchers C, Davies R, Delgado D, Haddad H, Ignaszewski A, Isaac D, Kim D, Mui A, Rajda M, West L, White M, Zieroth S, Keown P, McMaster R, Ng R, McManus B. 82 Blood-Based Biomarker Panels for Diagnosis of Acute Heart Allograft Rejection. J Heart Lung Transplant 2012. [DOI: 10.1016/j.healun.2012.01.086] [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: 11/24/2022] Open
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Koh H, Tan SY, Hamid N, Chua T, Allen J, Ng R, Keng F, Cheah FK, Chia S. THE ABSENCE OF SEVERE CORONARY STENOSIS (≥70%) ON CORONARY COMPUTED TOMOGRAPHIC ANGIOGRAPHY RELIABLY EXCLUDES MODERATE TO SEVERE ISCHEMIA ON MYOCARDIAL PERFUSION IMAGING. J Am Coll Cardiol 2012. [DOI: 10.1016/s0735-1097(12)61335-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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50
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Ponnapati R, Karazincir O, Dao E, Ng R, Mohanty KK, Krishnamoorti R. Polymer-Functionalized Nanoparticles for Improving Waterflood Sweep Efficiency: Characterization and Transport Properties. Ind Eng Chem Res 2011. [DOI: 10.1021/ie2019257] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- R. Ponnapati
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
| | - O. Karazincir
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
- Chevron Energy Technology Company, 1500 Louisiana Street, Houston, Texas 77002, United States
| | - E. Dao
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
- Department of Petroleum & Geosystems Engineering, University of Texas at Austin, Austin, Texas 78712, United States
| | - R. Ng
- Chevron Energy Technology Company, 1500 Louisiana Street, Houston, Texas 77002, United States
| | - K. K. Mohanty
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
- Department of Petroleum & Geosystems Engineering, University of Texas at Austin, Austin, Texas 78712, United States
| | - R. Krishnamoorti
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
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