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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Correlation between interleukin-1 production and engraftment of transplanted bone marrow stem cells in patients with lethal immunodeficiencies.

Interleukin-1 ( IL-1) production by endotoxin-stimulated, cultured monocytes from 19 patients with lethal congenital immune disorders were studied and compared with normal controls. Lipopolysaccharide (LPS) stimulated IL-1 production was normal in three of three patients with Wiskott Aldrich syndrome (WAS), two of three combined immunodeficiency with T-cell predominance (CIDTP) and nine of 13 with severe combined immunodeficiency (SCID). Monocytes deficient in IL-1 production could be restored to normal production after incubation with indomethacin in three of five deficient patients. Monocytes from the other two patients could not be induced to generate IL-1, suggesting either an intrinsic deficiency or an alternate inhibitory mechanism as the basis for the IL-1 deficiency observed. In patients with SCID who were transplanted with HLA-haplotype disparate, T-cell depleted marrow without preparative chemotherapy, deficiency of monocyte IL-1 production was correlated with graft failure. Immune reconstitution was achieved in IL-1 deficient patients only when donor monocytes were also engrafted. We hypothesize that deficiencies of IL-1 production may contribute to the heterogeneous expression of combined immunodeficiencies, and may also restrict the engraftment and functional development of allogeneic lymphoid progenitors from a T-cell depleted marrow graft.[1]


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