The role of antibodies in Bacille Calmette Guérin-mediated immune responses and protection against tuberculosis in humans: A systematic review.


Journal

Tuberculosis (Edinburgh, Scotland)
ISSN: 1873-281X
Titre abrégé: Tuberculosis (Edinb)
Pays: Scotland
ID NLM: 100971555

Informations de publication

Date de publication:
12 2021
Historique:
received: 05 01 2020
revised: 02 05 2020
accepted: 11 05 2020
pubmed: 12 3 2021
medline: 11 3 2022
entrez: 11 3 2021
Statut: ppublish

Résumé

The mechanisms underlying Bacille Calmette-Guérin (BCG) vaccine's protective effects against tuberculosis (TB) are incompletely understood but are proposed to involve a predominantly cell-mediated process. However, there is increasing evidence for the involvement of antibodies in the control of Mycobacteria tuberculosis and in the immune response to BCG. We did a systematic review of studies investigating anti-BCG antibodies in individuals with active or latent TB, and in the response to BCG vaccination. Of 1417 articles screened, 70 were relevant, comprising 52 investigating anti-BCG antibodies in TB and 18 investigating the anti-BCG antibody response to BCG-vaccination. Individuals with active TB have higher levels of anti-BCG antibodies compared with individuals with latent TB or healthy individuals. Antibodies to BCG are present after BCG vaccination. There is some evidence for the in utero transfer of maternal anti-BCG antibodies to infants. BCG vaccination induces a humoral response. Antibodies targeted against BCG and its antigens may play a role in protection against active TB.

Sections du résumé

BACKGROUND
The mechanisms underlying Bacille Calmette-Guérin (BCG) vaccine's protective effects against tuberculosis (TB) are incompletely understood but are proposed to involve a predominantly cell-mediated process. However, there is increasing evidence for the involvement of antibodies in the control of Mycobacteria tuberculosis and in the immune response to BCG.
METHODS
We did a systematic review of studies investigating anti-BCG antibodies in individuals with active or latent TB, and in the response to BCG vaccination.
RESULTS
Of 1417 articles screened, 70 were relevant, comprising 52 investigating anti-BCG antibodies in TB and 18 investigating the anti-BCG antibody response to BCG-vaccination. Individuals with active TB have higher levels of anti-BCG antibodies compared with individuals with latent TB or healthy individuals. Antibodies to BCG are present after BCG vaccination. There is some evidence for the in utero transfer of maternal anti-BCG antibodies to infants.
CONCLUSIONS
BCG vaccination induces a humoral response. Antibodies targeted against BCG and its antigens may play a role in protection against active TB.

Identifiants

pubmed: 33691988
pii: S1472-9792(20)30114-1
doi: 10.1016/j.tube.2020.101947
pii:
doi:

Substances chimiques

Antibodies 0
BCG Vaccine 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't Systematic Review

Langues

eng

Sous-ensembles de citation

IM

Pagination

101947

Informations de copyright

Crown Copyright © 2020. Published by Elsevier Ltd. All rights reserved.

Auteurs

Matthew R Bright (MR)

Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia.

Nigel Curtis (N)

Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia; Murdoch Children's Research Institute, Parkville, Victoria, Australia; Infectious Diseases Unit, Royal Children's Hospital Melbourne, Parkville, Victoria, Australia. Electronic address: nigel.curtis@rch.org.au.

Nicole L Messina (NL)

Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia; Murdoch Children's Research Institute, Parkville, Victoria, Australia. Electronic address: nicole.messina@mcri.edu.au.

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Classifications MeSH