A description of the THRIVE ("The study of host-bacterial relationships in different vaginal environments") bacterial vaginosis observational study.

Bacterial Vaginosis Cohort Studies Microbiome Mucosal Immunity Reproductive Health

Journal

Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC
ISSN: 1701-2163
Titre abrégé: J Obstet Gynaecol Can
Pays: Netherlands
ID NLM: 101126664

Informations de publication

Date de publication:
01 Oct 2024
Historique:
received: 13 05 2024
revised: 30 07 2024
accepted: 15 09 2024
medline: 4 10 2024
pubmed: 4 10 2024
entrez: 3 10 2024
Statut: aheadofprint

Résumé

Bacterial vaginosis contributes to poor reproductive health and is characterized by a displacement of Lactobacillus in the vaginal microbiome. However, treatment for bacterial vaginosis is limited to antibiotics and half of women treated experience recurrence within a year. THRIVE is a prospective study in XXXXX, which is designed to capture daily variation of the microbiome and host mucosal immunity during treatment. The objective of this study is to identify host and bacterial factors that associate with vaginal microbiome stability to better inform therapeutic interventions. Women treated for bacterial vaginosis, and controls, are followed for 6 months collecting daily vaginal swabs and monthly questionnaires. Comprehensive mucosal sampling, including swabs, cytobrushes, biopsies, and blood are collected at baseline, months 1 and 6 post-enrollment. We performed analysis on the first 52 participants, (19 BV+, 33 BV-). Molecular profiling by 16s RNA sequencing showed 20 women with non-Lactobacillus dominant microbiomes and 32 with Lactobacillus-dominant microbiomes, with increased microbial diversity in non-Lactobacillus dominant microbiomes (P = 3.1E-05). A pilot analysis in 2 participants demonstrates that multi-omics profiling of self-collected daily swabs provides high-quality data identifying 73 bacterial species, 1773 mucosal proteins and 117 metabolites. Initial flow cytometry analysis showed increased CD4+ T cells and neutrophil activation (CD11b+CD62L This study provides a framework to comprehensively investigate the kinetics of vaginal mucosal microbiome alterations, providing further insight into host and molecular features predicting bacterial vaginosis recurrence. RéSUMé: La vaginose bactérienne contribue à une mauvaise santé reproductive et se caractérise par un remplacement des lactobacilles dans le microbiome vaginal. Cependant, le traitement de la vaginose bactérienne se limite aux antibiotiques et la moitié des femmes traitées connaissent une récidive dans l'année qui suit. THRIVE est une étude prospective menée à XXXXX et conçue pour mesurer les variations quotidiennes du microbiome et de l'immunité muqueuse de l'hôte pendant le traitement. L'objectif de cette étude est de déterminer les facteurs hôtes et bactériens qui sont associés à la stabilité du microbiome vaginal afin de mieux orienter les interventions thérapeutiques. MéTHODES: Les femmes traitées pour une vaginose bactérienne, ainsi que les témoins, sont suivies pendant 6 mois au moyen de prélèvements vaginaux quotidiens et de questionnaires mensuels. Une analyse détaillée des muqueuses a été effectuée au recrutement puis à 1 et 6 mois après le recrutement par divers prélèvements, à savoir par écouvillon, cytobrosse, biopsie et prise de sang. RéSULTATS: Nous avons effectué une analyse auprès des 52 premières participantes (19 VB+, 33 VB-). Le profilage moléculaire par séquençage de l'ARN 16S a montré que 20 femmes avaient un microbiome à dominance non-lactobacille et 32 avaient un microbiome à dominance lactobacille, la diversité microbienne étant accrue dans les microbiomes à dominance non-lactobacille (P = 3,1E-05). Une analyse pilote sur 2 participantes démontre que le profilage multiomique d'écouvillonnages quotidiens autoadministrés fournit des données de haute qualité permettant d'identifier 73 espèces bactériennes, 1773 protéines des muqueuses et 117 métabolites. L'analyse initiale par cytométrie en flux a montré une élévation des cellules T CD4+ et une activation des neutrophiles (CD11b+CD62L Cette étude donne un cadre pour étudier de manière exhaustive la cinétique des altérations du microbiome de la muqueuse vaginale, ce qui permet de mieux comprendre les caractéristiques de l'hôte et les caractéristiques moléculaires prédisant la récidive de la vaginose bactérienne.

Identifiants

pubmed: 39362489
pii: S1701-2163(24)00490-0
doi: 10.1016/j.jogc.2024.102667
pii:
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

102667

Informations de copyright

Copyright © 2024 The Author. Published by Elsevier Inc. All rights reserved.

Auteurs

Alicia R Berard (AR)

Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada; Centre for Global Health and Diseases, Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA. Electronic address: Alicia.berard@umanitoba.ca.

Samantha Knodel (S)

Centre for Global Health and Diseases, Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada.

Christina Farr Zuend (CF)

Centre for Global Health and Diseases, Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA.

Laura Noël-Romas (L)

Centre for Global Health and Diseases, Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada.

Kenzie D Birse (KD)

Centre for Global Health and Diseases, Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada.

Peter McQueen (P)

Public Health Agency of Canada, JC Wilt Infectious Diseases Research Centre, Winnipeg, Manitoba, Canada.

Marlon De Leon (M)

Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada.

Kateryna Kratzer (K)

Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada.

Oluwatobiloba A Taylor (OA)

Centre for Global Health and Diseases, Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA.

Samantha Bailey (S)

Centre for Global Health and Diseases, Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA.

Helen Pymar (H)

Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada.

Adam D Burgener (AD)

Centre for Global Health and Diseases, Department of Pathology, Case Western Reserve University, Cleveland, Ohio, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada; Department of Medicine Solna, Center for Molecular Medicine, Unit of Infectious Diseases, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden. Electronic address: adam.burgener@case.edu.

Vanessa Poliquin (V)

Department of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, MB, Canada.

Classifications MeSH