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Dai Y, Mao S, Zang X, Ge H, Feng J, Wang Y, Qi X, Yang L, Zhou Q, Wang X. RTP4 Enhances Corneal HSV-1 Infection in Mice With Type 2 Diabetes Mellitus. Invest Ophthalmol Vis Sci 2024; 65:36. [PMID: 39312222 PMCID: PMC11423950 DOI: 10.1167/iovs.65.11.36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2024] Open
Abstract
Purpose The purpose of this study was to investigate whether corneal lesions in mice with type 2 diabetes mellitus (T2D) infected with herpes simplex virus (HSV)-1 are more severe, and to elucidate the specific underlying mechanism. Methods The corneas of control mice and T2D mice induced by a high-fat diet combined with streptozotocin were infected with the HSV-1 Mckrae strain to assess corneal infection, opacity, and HSV-1 replication. RNA sequencing of the corneal epithelium from wild-type and db/db mice (a genetic T2D mouse model) was conducted to identify the key gene affecting T2D infection. Immunofluorescence staining was performed on corneal sections from T2D mice and patients with T2D. The effect of small interfering RNA (siRNA) knockdown on corneal HSV-1 infection was evaluated in both in vitro and in vivo models. Results T2D mice exhibited a more severe infection phenotype following HSV-1 infection, characterized by augmented corneal opacity scores, elevated viral titers, and transcripts compared to control mice. Transcriptome analysis of corneal epithelium revealed a hyperactive viral response in T2D mice, highlighting the differentially expressed gene Rtp4 (encoding receptor transporter protein 4). Receptor transporter protein 4 (RTP4) expression was enhanced in the corneal epithelium of T2D mice and patients with T2D. Virus binding assays demonstrated that RTP4 facilitated HSV-1 binding to human corneal epithelial cells. Silencing RTP4 alleviated HSV-1 infection in both in vitro and in vivo T2D models. Conclusions The findings indicate that elevated RTP4 exacerbates HSV-1 infection by enhancing its binding to corneal epithelial cells, whereas Rtp4 knockdown mitigated corneal lesions in T2D mice. This implies RTP4 as a potential target for intervention in diabetic HSV-1 infection.
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MESH Headings
- Animals
- Herpesvirus 1, Human/physiology
- Herpesvirus 1, Human/genetics
- Mice
- Diabetes Mellitus, Type 2/complications
- Diabetes Mellitus, Type 2/metabolism
- Diabetes Mellitus, Type 2/genetics
- Keratitis, Herpetic/virology
- Keratitis, Herpetic/metabolism
- Keratitis, Herpetic/pathology
- Mice, Inbred C57BL
- Diabetes Mellitus, Experimental/virology
- Epithelium, Corneal/virology
- Epithelium, Corneal/metabolism
- Epithelium, Corneal/pathology
- Humans
- Virus Replication/physiology
- Membrane Transport Proteins/genetics
- Male
- Disease Models, Animal
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Affiliation(s)
- Yunhai Dai
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
- Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
| | - Shilan Mao
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Xinyi Zang
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
- Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
| | - Hongqi Ge
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Jing Feng
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Yalin Wang
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital; Shandong Institute of Neuroimmunology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, China
| | - Xia Qi
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Lingling Yang
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Qingjun Zhou
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Xiaolei Wang
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
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Sun Z, Lu K, He Q, Tang Y, Li H, Pazo EE, Hu L, Wei R. INOS ablation promotes corneal wound healing via activation of Akt signaling. Exp Eye Res 2024; 243:109886. [PMID: 38583755 DOI: 10.1016/j.exer.2024.109886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/24/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Abstract
Corneal injury leads to impaired normal structure of the cornea. Improving the wound healing process in epithelial cells significantly contributes to ocular damage treatments. Here, we aimed to investigate the potential mechanisms of nitric oxide (NO) and its mediator, inducible nitric oxide synthase (iNOS), in the process of corneal wound healing. We established a corneal injury model of iNOS-/- mice, and treated human corneal epithelial cell lines (HCE-2) with the iNOS inhibitor L-INL, with or without NO replenishment by supplying sodium nitroferricyanide dihydrate (SNP). Our findings showed that inhibition of NO/iNOS accelerated corneal repair, enhanced uPAR (a receptor protein indicating the migration ability), and improved epithelial cell migration. Furthermore, NO/iNOS ablation activated Akt phosphorylation, reduced neutrophil marker protein MPO expression, and downregulated the transcription of inflammation cytokines CXCL-1, CXCL-2, IL-1β, IL-6, and TNF-α. However, the protective effects of NO/iNOS inhibition are significantly reduced by NO replenishment when treated with SNP. Therefore, we confirmed that inhibiting NO/iNOS improved the corneal wound healing by facilitating epithelial cell migration and reducing inflammatory reactions, which might be related to the activation of the Akt signaling pathway.
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Affiliation(s)
- Ziwen Sun
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300070, Tianjin, China
| | - Kunpeng Lu
- Tianjin Eye Hospital, Tianjin Key Lab of Ophthalmology and Visual Science, 300070, Tianjin, China
| | - Qing He
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300070, Tianjin, China
| | - Yang Tang
- Qingdao State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong Academy of Medical Sciences, 266071, Qingdao, China
| | - Haoru Li
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300070, Tianjin, China
| | - Emmanuel Eric Pazo
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300070, Tianjin, China
| | - Lizhi Hu
- Basic Medical College, Immunology Department, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), Tianjin Medical University, Tianjin, 300070, China.
| | - Ruihua Wei
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300070, Tianjin, China.
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3
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Ellis S, Way R, Nel M, Burleigh A, Doykov I, Kembou-Ringert J, Woodall M, Masonou T, Case KM, Ortez AT, McHugh TD, Casal A, McCoy LE, Murdan S, Hynds RE, Gilmour KC, Grandjean L, Cortina-Borja M, Heywood WE, Mills K, Smith CM. Salivary IgA and vimentin differentiate in vitro SARS-CoV-2 infection: A study of 290 convalescent COVID-19 patients. Mucosal Immunol 2024; 17:124-136. [PMID: 38007005 PMCID: PMC11139657 DOI: 10.1016/j.mucimm.2023.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 11/07/2023] [Accepted: 11/20/2023] [Indexed: 11/27/2023]
Abstract
SARS-CoV-2 initially infects cells in the nasopharynx and oral cavity. The immune system at these mucosal sites plays a crucial role in minimizing viral transmission and infection. To develop new strategies for preventing SARS-CoV-2 infection, this study aimed to identify proteins that protect against viral infection in saliva. We collected 551 saliva samples from 290 healthcare workers who had tested positive for COVID-19, before vaccination, between June and December 2020. The samples were categorized based on their ability to block or enhance infection using in vitro assays. Mass spectrometry and enzyme-linked immunosorbent assay experiments were used to identify and measure the abundance of proteins that specifically bind to SARS-CoV-2 antigens. Immunoglobulin (Ig)A specific to SARS-CoV-2 antigens was detectable in over 83% of the convalescent saliva samples. We found that concentrations of anti-receptor-binding domain IgA >500 pg/µg total protein in saliva correlate with reduced viral infectivity in vitro. However, there is a dissociation between the salivary IgA response to SARS-CoV-2, and systemic IgG titers in convalescent COVID-19 patients. Then, using an innovative technique known as spike-baited mass spectrometry, we identified novel spike-binding proteins in saliva, most notably vimentin, which correlated with increased viral infectivity in vitro and could serve as a therapeutic target against COVID-19.
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Affiliation(s)
- Samuel Ellis
- UCL Great Ormond Street Institute of Child Health, London, UK
| | - Rosie Way
- UCL Great Ormond Street Institute of Child Health, London, UK
| | - Miranda Nel
- UCL Great Ormond Street Institute of Child Health, London, UK
| | - Alice Burleigh
- UCL Great Ormond Street Institute of Child Health, London, UK; Centre for Adolescent Rheumatology, University College London, London, UK
| | - Ivan Doykov
- UCL Great Ormond Street Institute of Child Health, London, UK
| | | | | | - Tereza Masonou
- UCL Great Ormond Street Institute of Child Health, London, UK
| | | | | | - Timothy D McHugh
- UCL Centre for Clinical Microbiology, Royal Free Hospital, London, UK
| | - Antonio Casal
- Department of Pharmaceutics, UCL School of Pharmacy, London, UK
| | - Laura E McCoy
- Institute of Immunity and Transplantation, Division of Infection and Immunity, University College London, London, UK
| | | | - Robert E Hynds
- Epithelial Cell Biology in ENT Research (EpiCENTR) Group, Developmental Biology and Cancer Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Kimberly C Gilmour
- UCL Great Ormond Street Institute of Child Health, London, UK; Great Ormond Street Hospital NHS Foundation Trust, London, UK
| | - Louis Grandjean
- UCL Great Ormond Street Institute of Child Health, London, UK; Great Ormond Street Hospital NHS Foundation Trust, London, UK
| | | | - Wendy E Heywood
- UCL Great Ormond Street Institute of Child Health, London, UK
| | - Kevin Mills
- UCL Great Ormond Street Institute of Child Health, London, UK
| | - Claire M Smith
- UCL Great Ormond Street Institute of Child Health, London, UK.
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5
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Mohammed Y, Tran K, Carlsten C, Ryerson C, Wong A, Lee T, Cheng MP, Vinh DC, Lee TC, Winston BW, Sweet D, Boyd JH, Walley KR, Haljan G, McGeer A, Lamontagne F, Fowler R, Maslove D, Singer J, Patrick DM, Marshall JC, Murthy S, Jain F, Borchers CH, Goodlett DR, Levin A, Russell JA. Proteomic Evolution from Acute to Post-COVID-19 Conditions. J Proteome Res 2024; 23:52-70. [PMID: 38048423 PMCID: PMC10775146 DOI: 10.1021/acs.jproteome.3c00324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 10/30/2023] [Accepted: 11/13/2023] [Indexed: 12/06/2023]
Abstract
Many COVID-19 survivors have post-COVID-19 conditions, and females are at a higher risk. We sought to determine (1) how protein levels change from acute to post-COVID-19 conditions, (2) whether females have a plasma protein signature different from that of males, and (3) which biological pathways are associated with COVID-19 when compared to restrictive lung disease. We measured protein levels in 74 patients on the day of admission and at 3 and 6 months after diagnosis. We determined protein concentrations by multiple reaction monitoring (MRM) using a panel of 269 heavy-labeled peptides. The predicted forced vital capacity (FVC) and diffusing capacity of the lungs for carbon monoxide (DLCO) were measured by routine pulmonary function testing. Proteins associated with six key lipid-related pathways increased from admission to 3 and 6 months; conversely, proteins related to innate immune responses and vasoconstriction-related proteins decreased. Multiple biological functions were regulated differentially between females and males. Concentrations of eight proteins were associated with FVC, %, and they together had c-statistics of 0.751 (CI:0.732-0.779); similarly, concentrations of five proteins had c-statistics of 0.707 (CI:0.676-0.737) for DLCO, %. Lipid biology may drive evolution from acute to post-COVID-19 conditions, while activation of innate immunity and vascular regulation pathways decreased over that period. (ProteomeXchange identifiers: PXD041762, PXD029437).
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Affiliation(s)
- Yassene Mohammed
- Center
for Proteomics and Metabolomics, Leiden
University Medical Center, Leiden 2333 ZA, The Netherlands
- UVic-Genome
BC Proteomics Centre, University of Victoria, Victoria V8Z 5N3, BC Canada
- Gerald
Bronfman Department of Oncology, McGill
University, Montreal, QC H3A 0G4, Canada
| | - Karen Tran
- Division
of General Internal Medicine, Vancouver
General Hospital and University of British Columbia, 2775 Laurel St, Vancouver, BC V5Z 1M9, Canada
| | - Chris Carlsten
- Division
of Respiratory Medicine, Vancouver General Hospital, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
| | - Christopher Ryerson
- Division
of Respiratory Medicine, Vancouver General Hospital, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
| | - Alyson Wong
- Division
of Respiratory Medicine, Vancouver General Hospital, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
| | - Terry Lee
- Centre for
Health Evaluation and Outcome Science (CHEOS), St. Paul’s Hospital, University of British Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
| | - Matthew P. Cheng
- Division
of Infectious Diseases, Department of Medicine, McGill University Health Centre, Montreal, PQ H4A 3J1, Canada
| | - Donald C. Vinh
- Division
of Infectious Diseases, Department of Medicine, McGill University Health Centre, Montreal, PQ H4A 3J1, Canada
| | - Todd C. Lee
- Division
of Infectious Diseases, Department of Medicine, McGill University Health Centre, Montreal, PQ H4A 3J1, Canada
| | - Brent W. Winston
- Departments
of Critical Care Medicine, Medicine and Biochemistry and Molecular
Biology, Foothills Medical Centre and University
of Calgary, 1403 29 Street
NW, Calgary, Alberta T2N 4N1, Canada
| | - David Sweet
- Division
of Critical Care Medicine, Vancouver General
Hospital, 2775 Laurel St, Vancouver, BC V5Z 1M9, Canada
| | - John H. Boyd
- Centre
for Heart Lung Innovation, St. Paul’s Hospital, University of British Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
- Division of Critical Care Medicine, St.
Paul’s Hospital, University of British
Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
| | - Keith R. Walley
- Centre
for Heart Lung Innovation, St. Paul’s Hospital, University of British Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
- Division of Critical Care Medicine, St.
Paul’s Hospital, University of British
Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
| | - Greg Haljan
- Department of Medicine, Surrey Memorial
Hospital, 13750 96th
Avenue, Surrey, BC V3V 1Z2, Canada
| | - Allison McGeer
- Mt. Sinai Hospital and University of Toronto, 600 University Avenue, Toronto, ON M5G 1X5, Canada
| | | | - Robert Fowler
- Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, Toronto, ON M4N 3M5, Canada
| | - David Maslove
- Department
of Critical Care, Kingston General Hospital
and Queen’s University, 76 Stuart Street, Kingston, ON K7L 2V7, Canada
| | - Joel Singer
- Centre for
Health Evaluation and Outcome Science (CHEOS), St. Paul’s Hospital, University of British Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
| | - David M. Patrick
- British Columbia Centre for Disease Control
(BCCDC) and University
of British Columbia, 655 West 12th Avenue, Vancouver, BC V5Z 4R4, Canada
| | - John C. Marshall
- Department of Surgery, St. Michael’s
Hospital, 30 Bond Street, Toronto, ON M5B
1W8, Canada
| | - Srinivas Murthy
- BC Children’s Hospital and University of British Columbia, 4500 Oak Street, Vancouver, BC V6H 3N1, Canada
| | - Fagun Jain
- Black Tusk Research Group, Vancouver, BC V6Z 2C7, Canada
| | - Christoph H. Borchers
- Segal Cancer Proteomics, Centre, Lady Davis
Institute
for Medical Research, McGill University, Montreal, QC H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, Jewish General Hospital, Montreal, QC H3T 1E2, Canada
- Division of Experimental Medicine, McGill
University, Montreal, QC H3T 1E2, Canada
- Department of Pathology, McGill
University, Montreal, QC H3T 1E2, Canada
| | - David R. Goodlett
- UVic-Genome
BC Proteomics Centre, University of Victoria, Victoria V8Z 5N3, BC Canada
| | - Adeera Levin
- Division of Nephrology, St.
Paul’s Hospital, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
| | - James A. Russell
- Centre
for Heart Lung Innovation, St. Paul’s Hospital, University of British Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
- Division of Critical Care Medicine, St.
Paul’s Hospital, University of British
Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
| | - ARBs CORONA I Consortium
- Center
for Proteomics and Metabolomics, Leiden
University Medical Center, Leiden 2333 ZA, The Netherlands
- UVic-Genome
BC Proteomics Centre, University of Victoria, Victoria V8Z 5N3, BC Canada
- Gerald
Bronfman Department of Oncology, McGill
University, Montreal, QC H3A 0G4, Canada
- Division
of General Internal Medicine, Vancouver
General Hospital and University of British Columbia, 2775 Laurel St, Vancouver, BC V5Z 1M9, Canada
- Division
of Respiratory Medicine, Vancouver General Hospital, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
- Centre for
Health Evaluation and Outcome Science (CHEOS), St. Paul’s Hospital, University of British Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
- Division
of Infectious Diseases, Department of Medicine, McGill University Health Centre, Montreal, PQ H4A 3J1, Canada
- Departments
of Critical Care Medicine, Medicine and Biochemistry and Molecular
Biology, Foothills Medical Centre and University
of Calgary, 1403 29 Street
NW, Calgary, Alberta T2N 4N1, Canada
- Division
of Critical Care Medicine, Vancouver General
Hospital, 2775 Laurel St, Vancouver, BC V5Z 1M9, Canada
- Centre
for Heart Lung Innovation, St. Paul’s Hospital, University of British Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
- Division of Critical Care Medicine, St.
Paul’s Hospital, University of British
Columbia, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
- Department of Medicine, Surrey Memorial
Hospital, 13750 96th
Avenue, Surrey, BC V3V 1Z2, Canada
- Mt. Sinai Hospital and University of Toronto, 600 University Avenue, Toronto, ON M5G 1X5, Canada
- University of Sherbrooke, Sherbrooke, PQ J1K 2R1, Canada
- Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, Toronto, ON M4N 3M5, Canada
- Department
of Critical Care, Kingston General Hospital
and Queen’s University, 76 Stuart Street, Kingston, ON K7L 2V7, Canada
- British Columbia Centre for Disease Control
(BCCDC) and University
of British Columbia, 655 West 12th Avenue, Vancouver, BC V5Z 4R4, Canada
- Department of Surgery, St. Michael’s
Hospital, 30 Bond Street, Toronto, ON M5B
1W8, Canada
- BC Children’s Hospital and University of British Columbia, 4500 Oak Street, Vancouver, BC V6H 3N1, Canada
- Black Tusk Research Group, Vancouver, BC V6Z 2C7, Canada
- Segal Cancer Proteomics, Centre, Lady Davis
Institute
for Medical Research, McGill University, Montreal, QC H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, Jewish General Hospital, Montreal, QC H3T 1E2, Canada
- Division of Experimental Medicine, McGill
University, Montreal, QC H3T 1E2, Canada
- Department of Pathology, McGill
University, Montreal, QC H3T 1E2, Canada
- Division of Nephrology, St.
Paul’s Hospital, 1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada
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