Spike-specific T cells are enriched in breastmilk following SARS-CoV-2 mRNA vaccination.
Journal
Mucosal immunology
ISSN: 1935-3456
Titre abrégé: Mucosal Immunol
Pays: United States
ID NLM: 101299742
Informations de publication
Date de publication:
02 2023
02 2023
Historique:
received:
07
11
2022
revised:
20
12
2022
accepted:
07
01
2023
pubmed:
16
1
2023
medline:
15
3
2023
entrez:
15
1
2023
Statut:
ppublish
Résumé
Human breastmilk is rich in T cells; however, their specificity and function are largely unknown. We compared the phenotype, diversity, and antigen specificity of T cells in breastmilk and peripheral blood of lactating individuals who received SARS-CoV-2 messenger RNA (mRNA) vaccination. Relative to blood, breastmilk contained higher frequencies of T effector and central memory populations that expressed mucosal-homing markers. T cell receptor sequence overlap was limited between blood and breastmilk. Overabundant breastmilk clones were observed in all individuals, were diverse, and contained complementarity-determining regions in three sequences with known epitope specificity, including to SARS-CoV-2 spike. SARS-CoV-2 spike-specific T cell receptors were more frequent in breastmilk compared to blood and expanded in breastmilk following a 3
Identifiants
pubmed: 36642379
pii: S1933-0219(23)00003-X
doi: 10.1016/j.mucimm.2023.01.003
pmc: PMC9836998
pii:
doi:
Substances chimiques
RNA, Messenger
0
Antibodies, Viral
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
39-49Subventions
Organisme : NIAID NIH HHS
ID : T32 AI007509
Pays : United States
Organisme : NIAID NIH HHS
ID : K08 AI148588
Pays : United States
Organisme : NIAID NIH HHS
ID : K08 AI135072
Pays : United States
Organisme : NIAID NIH HHS
ID : UM1 AI148373
Pays : United States
Organisme : NIAID NIH HHS
ID : K23 AI153390
Pays : United States
Organisme : NIAID NIH HHS
ID : R21 AI163999
Pays : United States
Organisme : NCI NIH HHS
ID : T32 CA080416
Pays : United States
Commentaires et corrections
Type : UpdateOf
Informations de copyright
Copyright © 2023 The Author(s). Published by Elsevier Inc. All rights reserved.
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