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Human dendritic cell immunodeficiencies

Lookup NU author(s): Dr Venetia Bigley, Dr Urszula Cytlak-Chaudhuri, Professor Matthew Collin

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

The critical functions of dendritic cells (DCs) in immunity and tolerance have been demonstrated in many animal models but their non-redundant roles in humans are more difficult to probe. Human primary immunodeficiency (PID), resulting from single gene mutations, may result in DC deficiency or dysfunction. This relatively recent recognition illuminates the in vivo role of human DCs and the pathophysiology of the associated clinical syndromes. In this review, the development and function of DCs as established in murine models and human in vitro systems, discussed. This forms the basis of predicting the effects of DC deficiency in vivo and understanding the consequences of specific mutations on DC development and function. DC deficiency syndromes are associated with heterozygous GATA2 mutation, bi-allelic and heterozygous IRF8 mutation and heterozygous IKZF1 mutation. The intricate involvement of DCs in the balance between immunity and tolerance is leading to increased recognition of their involvement in a number of other immunodeficiencies and autoimmune conditions. Owing to the precise control of transcription factor gene expression by super-enhancer elements, phenotypic anomalies are relatively commonly caused by heterozygous mutations.


Publication metadata

Author(s): Bigley V, Cytlak U, Collin M

Publication type: Article

Publication status: Published

Journal: Seminars in Cell & Developmental Biology

Year: 2018

Issue: ePub ahead of print

Online publication date: 23/02/2018

Acceptance date: 10/02/2018

Date deposited: 27/02/2018

ISSN (print): 1084-9521

ISSN (electronic): 1096-3634

Publisher: Elsevier

URL: https://doi.org/10.1016/j.semcdb.2018.02.020

DOI: 10.1016/j.semcdb.2018.02.020


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