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Spoiling for a fight: B lymphocytes as initiator and effector populations within tertiary lymphoid organs in autoimmunity and transplantation

Alsughayyir, J; Pettigrew, GJ; Motallebzadeh, R; (2017) Spoiling for a fight: B lymphocytes as initiator and effector populations within tertiary lymphoid organs in autoimmunity and transplantation. Frontiers in Immunology , 8 , Article 1639. 10.3389/fimmu.2017.01639. Green open access

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Abstract

Tertiary lymphoid organs (TLOs) develop at ectopic sites within chronically-inflamed tissues, such as in autoimmunity and rejecting organ allografts. TLOs differ structurally from canonical secondary lymphoid organs (SLOs), in that they lack a mantle zone and are not encapsulated, suggesting that they may provide unique immune function. A notable feature of TLOs are the frequent presence of structures typical of germinal centres (GC). However, little is known about the role of such GCs, and in particular, it is not clear if the B cell response within is autonomous, or whether it synergises with concurrent responses in SLOs. This review will discuss ectopic lymphoneogenesis and the role of the B cell in TLO formation and subsequent effector output in the context of autoimmunity and transplantation, with particular focus on the contribution of ectopic GCs to affinity maturation in humoral immune responses and to the potential breakdown of self-tolerance and development of humoral autoimmunity.

Type: Article
Title: Spoiling for a fight: B lymphocytes as initiator and effector populations within tertiary lymphoid organs in autoimmunity and transplantation
Open access status: An open access version is available from UCL Discovery
DOI: 10.3389/fimmu.2017.01639
Publisher version: http://doi.org/10.3389/fimmu.2017.01639
Language: English
Additional information: Copyright © 2017 Alsughayyir, Pettigrew and Motallebzadeh. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY) (http://creativecommons.org/licenses/by/4.0/). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Keywords: B cells, tertiary lymphoid organs, autoimmunity, transplantation, germinal center
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Surgical Biotechnology
URI: https://discovery.ucl.ac.uk/id/eprint/10033914
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