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The human syndrome of dendritic cell, monocyte, B and NK lymphoid deficiency

Lookup NU author(s): Dr Venetia BigleyORCiD, Dr Xiao WangORCiD, Dr Rachel Dickinson, Dr Naomi McGovern, Sarah Pagan, Ian Dimmick, Dr Jonathan Wallis, Dr James Lordan, Dr Clare Morgan, Professor Andrew Cant, Professor Sophie Hambleton, Professor Matthew CollinORCiD

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Abstract

Congenital or acquired cellular deficiencies in humans have the potential to reveal much about normal hematopoiesis and immune function. We show that a recently described syndrome of monocytopenia, B and NK lymphoid deficiency additionally includes the near absence of dendritic cells. Four subjects showed severe depletion of the peripheral blood HLA-DR+ lineage(-)compartment, with virtually no CD123(+) or CD11c(+) dendritic cells (DCs) and very few CD14(+) or CD16(+) monocytes. The only remaining HLA-DR+ lineage(-) cells were circulating CD34(+) progenitor cells. Dermal CD14(+) and CD1a(+) DC were also absent, consistent with their dependence on blood-derived precursors. In contrast, epidermal Langerhans cells and tissue macrophages were largely preserved. Combined loss of peripheral DCs, monocytes, and B and NK lymphocytes was mirrored in the bone marrow by complete absence of multilymphoid progenitors and depletion of granulocyte-macrophage progenitors. Depletion of the HLA-DR+ peripheral blood compartment was associated with elevated serum fms-like tyrosine kinase ligand and reduced circulating CD4(+)CD25(hi)FoxP3(+) T cells, supporting a role for DC in T reg cell homeostasis.


Publication metadata

Author(s): Bigley V, Haniffa M, Doulatov S, Wang XN, Dickinson R, McGovern N, Jardine L, Pagan S, Dimmick I, Chua I, Wallis J, Lordan J, Morgan C, Kumararatne DS, Doffinger R, van der Burg M, van Dongen J, Cant A, Dick JE, Hambleton S, Collin M

Publication type: Article

Publication status: Published

Journal: Journal of Experimental Medicine

Year: 2011

Volume: 208

Issue: 2

Pages: 227-234

Print publication date: 17/01/2011

ISSN (print): 0022-1007

ISSN (electronic): 1540-9538

Publisher: Rockefeller University Press

URL: http://dx.doi.org/10.1084/jem.20101459

DOI: 10.1084/jem.20101459


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