Liver Is a Generative Site for the B Cell Response to Ehrlichia muris.
Animals
B-Lymphocytes
/ immunology
B7-1 Antigen
/ biosynthesis
Ehrlichia
/ immunology
Ehrlichiosis
/ immunology
Immunoglobulin M
/ immunology
Immunoglobulin Variable Region
/ genetics
Immunologic Memory
/ immunology
Liver
/ cytology
Mice
Mice, Inbred C57BL
Programmed Cell Death 1 Ligand 2 Protein
/ biosynthesis
Somatic Hypermutation, Immunoglobulin
/ genetics
Spleen
/ cytology
T-Box Domain Proteins
/ metabolism
Ehrlichia muris
T-bet
age-associated B cells
liver
memory B cells
plasmablasts
somatic hypermutation
Journal
Immunity
ISSN: 1097-4180
Titre abrégé: Immunity
Pays: United States
ID NLM: 9432918
Informations de publication
Date de publication:
17 12 2019
17 12 2019
Historique:
received:
27
01
2019
revised:
24
07
2019
accepted:
15
10
2019
pubmed:
17
11
2019
medline:
31
1
2020
entrez:
17
11
2019
Statut:
ppublish
Résumé
The B cell response to Ehrlichia muris is dominated by plasmablasts (PBs), with few-if any-germinal centers (GCs), yet it generates protective immunoglobulin M (IgM) memory B cells (MBCs) that express the transcription factor T-bet and harbor V-region mutations. Because Ehrlichia prominently infects the liver, we investigated the nature of liver B cell response and that of the spleen. B cells within infected livers proliferated and underwent somatic hypermutation (SHM). Vh-region sequencing revealed trafficking of clones between the spleen and liver and often subsequent local clonal expansion and intraparenchymal localization of T-bet
Identifiants
pubmed: 31732168
pii: S1074-7613(19)30448-0
doi: 10.1016/j.immuni.2019.10.004
pmc: PMC6955021
mid: NIHMS1543508
pii:
doi:
Substances chimiques
B7-1 Antigen
0
Immunoglobulin M
0
Immunoglobulin Variable Region
0
Pdcd1lg2 protein, mouse
0
Programmed Cell Death 1 Ligand 2 Protein
0
T-Box Domain Proteins
0
T-box transcription factor TBX21
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
1088-1101.e5Subventions
Organisme : NIAID NIH HHS
ID : P01 AI106697
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI043603
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI105018
Pays : United States
Organisme : NIH HHS
ID : S10 OD011925
Pays : United States
Informations de copyright
Copyright © 2019 Elsevier Inc. All rights reserved.
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