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Rousseau MC, Parent ME, Corsenac P, Salmon C, Mésidor M, Fantodji C, Conus F, Richard H, Jantchou P, Benedetti A. Cohort Profile Update: The Québec Birth Cohort on Immunity and Health (CO·MMUNITY). Int J Epidemiol 2024; 53:dyae014. [PMID: 38365966 PMCID: PMC10873493 DOI: 10.1093/ije/dyae014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 01/18/2024] [Indexed: 02/18/2024] Open
Affiliation(s)
- Marie-Claude Rousseau
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
- Department of Social and Preventive Medicine, School of Public Health, Université de Montréal, Montréal, QC, Canada
- Carrefour de l’innovation, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC, Canada
| | - Marie-Elise Parent
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
- Department of Social and Preventive Medicine, School of Public Health, Université de Montréal, Montréal, QC, Canada
- Carrefour de l’innovation, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC, Canada
| | - Philippe Corsenac
- Department of Nursing Sciences, Population Health, Université du Québec en Outaouais, Saint-Jérôme, QC, Canada
| | - Charlotte Salmon
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
| | - Miceline Mésidor
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
- Department of Social and Preventive Medicine, School of Public Health, Université de Montréal, Montréal, QC, Canada
- Carrefour de l’innovation, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC, Canada
| | - Canisius Fantodji
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
- Research Centre, Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC, Canada
| | - Florence Conus
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
| | - Hugues Richard
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
| | - Prévost Jantchou
- Research Centre, Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC, Canada
- Department of Pediatric Gastroenterology, Hepatology, and Nutrition, Centre Hospitalier Universitaire Sainte-Justine, and Université de Montréal, Montréal, QC, Canada
| | - Andrea Benedetti
- Respiratory Epidemiology and Clinical Research Unit, McGill University Health Centre, Montréal, QC, Canada
- Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montréal, QC, Canada
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Ijaz MU, Vaziri F, Wan YJY. Effects of Bacillus Calmette-Guérin on immunometabolism, microbiome and liver diseases ⋆. LIVER RESEARCH 2023; 7:116-123. [PMID: 38223885 PMCID: PMC10786626 DOI: 10.1016/j.livres.2023.05.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Metabolic diseases have overtaken infectious diseases as the most serious public health issue and economic burden in most countries. Moreover, metabolic diseases increase the risk of having infectious diseases. The treatment of metabolic disease may require a long-term strategy of taking multiple medications, which can be costly and have side effects. Attempts to expand the therapeutic use of vaccination to prevent or treat metabolic diseases have attracted significant interest. A growing body of evidence indicates that Bacillus Calmette-Guérin (BCG) offers protection against non-infectious diseases. The non-specific effects of BCG occur likely due to the induction of trained immunity. In this regard, understanding how BCG influences the development of chronic metabolic health including liver diseases would be important. This review focuses on research on BCG, the constellation of disorders associated with metabolic health issues including liver diseases and diabetes as well as how BCG affects the gut microbiome, immunity, and metabolism.
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Affiliation(s)
- Muhammad Umair Ijaz
- Department of Medical Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Farzam Vaziri
- Department of Medical Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Yu-Jui Yvonne Wan
- Department of Medical Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento, CA, USA
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Jamshidi P, Danaei B, Mohammadzadeh B, Arbabi M, Nayebzade A, Sechi LA, Nasiri MJ. BCG Vaccination and the Risk of Type 1 Diabetes Mellitus: A Systematic Review and Meta-Analysis. Pathogens 2023; 12:pathogens12040581. [PMID: 37111467 PMCID: PMC10141056 DOI: 10.3390/pathogens12040581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 04/05/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
(1) Background: Type 1 diabetes mellitus (T1D) is an autoimmune disease characterized by progressive and irreversible autoimmune destruction of pancreatic beta cell islets, resulting in absolute insulin deficiency. To date, several epidemiologic and observational studies have evaluated the possible impact of BCG vaccination on T1D development, but the results are controversial. To elucidate this issue, we aimed to conduct a systematic review and meta-analysis of published cohort studies in this field. (2) Methods: A systematic search was performed for relevant studies published up to 20 September 2022 using Pubmed/Medline, Embase, and Scopus. Cohort studies, containing original information about the association between T1D and BCG vaccination, were included for further analysis. Pooled estimates and 95% confidence intervals (CI) for the risk ratio of T1D in BCG-vaccinated individuals compared to unvaccinated ones were assessed using the fixed effect model. (3) Results: Out of 630 potentially relevant articles, five cohort studies met the inclusion criteria. The total population of all included studies was 864,582. The overall pooled risk ratio of T1D development in BCG vaccinated and unvaccinated individuals was found to be 1.018 (95% CI 0.908-1.141, I2: 0%). (4) Conclusions: Our study revealed no protective or facilitative effect of prior BCG vaccination in T1D development.
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Affiliation(s)
- Parnian Jamshidi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
- Center of Public Health, Environmental and Occupational Hazards Control, Shahid Beheshti University of Medical Science, Tehran 1985717443, Iran
| | - Bardia Danaei
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
| | - Benyamin Mohammadzadeh
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
| | - Mahta Arbabi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
| | - Amirhossein Nayebzade
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
| | - Leonardo A Sechi
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
- SC Microbiologia e Virologia, Azienda Ospedaliera Universitaria, 07100 Sassari, Italy
| | - Mohammad Javad Nasiri
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
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Corsenac P, Parent MÉ, Mansaray H, Benedetti A, Richard H, Stäger S, Rousseau MC. Early life Bacillus Calmette-Guerin vaccination and incidence of type 1, type 2, and latent autoimmune diabetes in adulthood. DIABETES & METABOLISM 2022; 48:101337. [PMID: 35245655 DOI: 10.1016/j.diabet.2022.101337] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 11/15/2022]
Abstract
AIMS Bacillus Calmette-Guerin (BCG) vaccination limits blood sugar elevations and autoimmunity. Previous studies focused on type 1 diabetes among children, despite possible effects on other phenotypes later in life. We studied associations between BCG vaccination and type 1, type 2 and latent autoimmune diabetes (LADA) in adulthood. METHODS A 1970-1974 birth cohort was linked with the BCG vaccination registry and administrative health data of Quebec. 396,118 people aged 22-44 years were followed-up for diabetes mellitus (DM) onset. Incident DM cases were subjects with ≥1 hospitalization or ≥2 physician claims related to DM over a 2-year period. Type 1 diabetes, type 2 diabetes, and LADA cases were individuals with ≥1 reimbursement of insulin, oral antidiabetic agent, or both. Cox proportional regressions were used to estimate hazard ratios (HR), adjusting for potential confounders. RESULTS Forty-four percent of subjects were BCG vaccinated, 88% of these before age 1. For type 1 diabetes, no association was found before 30 years old, but vaccinated subjects had a lower risk of this phenotype after age 30 (HRadj= 0.65, 95% CI: 0.44-0.95). BCG vaccination was associated with a lower risk of type 2 diabetes (HRadj=0.85, 95% CI: 0.79-0.92), whereas no association was observed for LADA (HRadj=1.30, 95% CI: 0.71-2.38). Results did not differ by sex. CONCLUSIONS Early life BCG vaccination was associated with lower risks of both type 1 and type 2 diabetes from early to middle adulthood, but not of LADA. Future studies should explore these long-term associations, while distinguishing diabetes phenotypes.
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Affiliation(s)
- Philippe Corsenac
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut national de la recherche scientifique, Laval, Canada.
| | - Marie-Élise Parent
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut national de la recherche scientifique, Laval, Canada.
| | - Hélène Mansaray
- Institut de recherche clinique de Montréal, Montréal, Canada
| | - Andrea Benedetti
- Respiratory Epidemiology and Clinical Research Unit, Research Institute of the McGill University Health Centre, Montreal, Canada; Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montreal, Canada.
| | - Hugues Richard
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut national de la recherche scientifique, Laval, Canada.
| | - Simona Stäger
- Centre Armand-Frappier Santé Biotechnologie, Institut national de la recherche scientifique, Laval, Canada.
| | - Marie-Claude Rousseau
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut national de la recherche scientifique, Laval, Canada.
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