All Outputs (93)

Differential protein expression by dendritic cells from atopic and non-atopic individuals after stimulation by the major house dust mite allergen der p 1 (2009)
Journal Article
Horlock, C., Shakib, F., Jones, N. S., Sewell, H. F., & Ghaemmaghami, A. M. (2009). Differential protein expression by dendritic cells from atopic and non-atopic individuals after stimulation by the major house dust mite allergen der p 1. International Archives of Allergy and Immunology, 150(3), 237-251. https://doi.org/10.1159/000222676

Background: Dendritic cells (DCs) are sentinels of the immune system and are known to play a key role in allergic responses. However, it is not clear how DCs that have been exposed to an allergen support Th2 type immune responses. It is possible that... Read More about Differential protein expression by dendritic cells from atopic and non-atopic individuals after stimulation by the major house dust mite allergen der p 1.

The molecular basis of allergenicity (2008)
Journal Article
Shakib, F., Ghaemmaghami, A. M., & Sewell, H. F. (2008). The molecular basis of allergenicity. Trends in Immunology, 29(12), 633-642. https://doi.org/10.1016/j.it.2008.08.007

Allergens are mostly innocuous antigens that elicit powerful T helper cell type 2 (Th2) responses leading to hyper-immunoglobulin E (IgE) production and allergy. Research carried out over several years has highlighted the possible role of the inheren... Read More about The molecular basis of allergenicity.

Allergen-driven suppression of thiol production by human dendritic cells and the effect of thiols on T cell function (2008)
Journal Article
Hasan, A. A., Ghaemmaghami, A. M., Fairclough, L., Robins, A., Sewell, H. F., & Shakib, F. (2009). Allergen-driven suppression of thiol production by human dendritic cells and the effect of thiols on T cell function. Immunobiology, 214(1), 2-16. https://doi.org/10.1016/j.imbio.2008.04.006

Dendritic cells are a major source of extracellular thiols needed for T cell activation, a process in which CD40-mediated stimulation plays a pivotal role. The Dermatophagoides pteronyssinus group 1 mite allergen (Der p 1) has previously been shown t... Read More about Allergen-driven suppression of thiol production by human dendritic cells and the effect of thiols on T cell function.

An immunoglobulin E-reactive chimeric human immunoglobulin G1 anti-idiotype inhibits basophil degranulation through cross-linking of FcεRI with FcγRIIb (2007)
Journal Article
Wigginton, S. J., Furtado, P. B., Armour, K. L., Clark, M. R., Robins, A., Emara, M., …Shakib, F. (2008). An immunoglobulin E-reactive chimeric human immunoglobulin G1 anti-idiotype inhibits basophil degranulation through cross-linking of FcεRI with FcγRIIb. Clinical and Experimental Allergy, 38(2), 313-319. https://doi.org/10.1111/j.1365-2222.2007.02896.x

Background: IgE binds to mast cells and basophils via its high-affinity receptor, FcεRI, and cross-linking of FcεRI-bound IgE molecules by allergen leads to the release of allergic mediators characteristic of type I hypersensitivity reactions. Previo... Read More about An immunoglobulin E-reactive chimeric human immunoglobulin G1 anti-idiotype inhibits basophil degranulation through cross-linking of FcεRI with FcγRIIb.

Elevated CD16 expression by monocytes from patients with tumor necrosis factor receptor-associated periodic syndrome (2007)
Journal Article
Todd, I., Radford, P. M., Ziegler-Heitbrock, L., Ghaemmaghami, A. M., Powell, R. J., & Tighe, P. J. (2007). Elevated CD16 expression by monocytes from patients with tumor necrosis factor receptor-associated periodic syndrome. Arthritis and Rheumatism, 56(12), 4182-4188. https://doi.org/10.1002/art.23133

Objective. Tumor necrosis factor receptor-associated periodic syndrome (TRAPS) is an inherited autosomal-dominant autoinflammatory condition caused by mutations in the ectodomain of the 55-kd tumor necrosis factor (TNF) receptor superfamily 1A. Proin... Read More about Elevated CD16 expression by monocytes from patients with tumor necrosis factor receptor-associated periodic syndrome.

The detection of ADAM8 protein on cells of the human immune system and the demonstration of its expression on peripheral blood B cells, dendritic cells and monocyte subsets (2007)
Journal Article
Richens, J., Fairclough, L., Ghaemmaghami, A. M., Mahdavi, J., Shakib, F., & Sewell, H. F. (2007). The detection of ADAM8 protein on cells of the human immune system and the demonstration of its expression on peripheral blood B cells, dendritic cells and monocyte subsets. Immunobiology, 212(1), 29-38. https://doi.org/10.1016/j.imbio.2006.06.012

A disintegrin and metalloprotease (ADAM) proteins have wide ranging functions, including proteolytic cleavage of cell surface molecules, cell fusion, cell adhesion and intracellular signalling. Recent evidence suggests the involvement of ADAM8 in all... Read More about The detection of ADAM8 protein on cells of the human immune system and the demonstration of its expression on peripheral blood B cells, dendritic cells and monocyte subsets.

Analysis of proteomic profiles and functional properties of human peripheral blood myeloid dendritic cells, monocyte-derived dendritic cells and the dendritic cell-like KG-1 cells reveals distinct characteristics (2007)
Journal Article
Horlock, C., Shakib, F., Mahdavi, J., Jones, N. S., Sewell, H. F., & Ghaemmaghami, A. M. (2007). Analysis of proteomic profiles and functional properties of human peripheral blood myeloid dendritic cells, monocyte-derived dendritic cells and the dendritic cell-like KG-1 cells reveals distinct characteristics. Genome Biology, 8(3), Article R30. https://doi.org/10.1186/gb-2007-8-3-r30

Background: Dendritic cells (DCs) are specialized antigen presenting cells that play a pivotal role in bridging innate and adaptive immune responses. Given the scarcity of peripheral blood myeloid dendritic cells (mDCs) investigators have used differ... Read More about Analysis of proteomic profiles and functional properties of human peripheral blood myeloid dendritic cells, monocyte-derived dendritic cells and the dendritic cell-like KG-1 cells reveals distinct characteristics.

The protease allergen Der p 1 cleaves cell surface DC-SIGN and DC-SIGNR: Experimental analysis of in silico substrate identification and implications in allergic responses (2007)
Journal Article
Furmonaviciene, R., Ghaemmaghami, A. M., Boyd, S. E., Jones, N. S., Bailey, K., Willis, A. C., …Shakib, F. (2007). The protease allergen Der p 1 cleaves cell surface DC-SIGN and DC-SIGNR: Experimental analysis of in silico substrate identification and implications in allergic responses. Clinical and Experimental Allergy, 37(2), 231-242. https://doi.org/10.1111/j.1365-2222.2007.02651.x

Background: The cysteine protease Der p 1 from the house dust mite Dermatophagoides pteronyssinus is one of the most potent allergens known. An attractive mechanism for a component of Der p 1 allergenicity lies in its ability to cleave key regulatory... Read More about The protease allergen Der p 1 cleaves cell surface DC-SIGN and DC-SIGNR: Experimental analysis of in silico substrate identification and implications in allergic responses.

Superior T cell activation by ESAT-6 as compared with the ESAT-6-CFP-10 complex (2005)
Journal Article
Marei, A., Ghaemmaghami, A., Renshaw, P., Wiselka, M., Barer, M., Carr, M., & Ziegler-Heitbrock, L. (2005). Superior T cell activation by ESAT-6 as compared with the ESAT-6-CFP-10 complex. International Immunology, 17(11), 1439-1446. https://doi.org/10.1093/intimm/dxh322

Using intracellular cytokine staining we show herein that T cells will respond to short-term (6 h) activation with phorbol ester plus ionomycin by production of tumor necrosis factor (TNF), IFN-γ or both. Here CD4 T cells preferentially produce TNF a... Read More about Superior T cell activation by ESAT-6 as compared with the ESAT-6-CFP-10 complex.

Activity profile of dust mite allergen extract using substrate libraries and functional proteomic microarrays (2004)
Journal Article
Harris, J., Mason, D. E., Li, J., Burdick, K. W., Backes, B. J., Chen, T., …Winssinger, N. (2004). Activity profile of dust mite allergen extract using substrate libraries and functional proteomic microarrays. Cell Chemical Biology, 11(10), 1361-1372. https://doi.org/10.1016/j.chembiol.2004.08.008

Enzymatic activity in the fecal droppings from the house dust mite has been postulated to contribute to the elicited allergic response. Screening dust mite extracts through 137,180 tetrapeptide fluorogenic substrates allowed for the characterization... Read More about Activity profile of dust mite allergen extract using substrate libraries and functional proteomic microarrays.

The proteolytic activity of the major dust mite allergen Der p 1 conditions dendritic cells to produce less interleukin-12: Allergen-induced Th2 bias determined at the dendritic cell level (2002)
Journal Article
Ghaemmaghami, A. M., Gough, L., Sewell, H. F., & Shakib, F. (2002). The proteolytic activity of the major dust mite allergen Der p 1 conditions dendritic cells to produce less interleukin-12: Allergen-induced Th2 bias determined at the dendritic cell level. Clinical and Experimental Allergy, 32(10), 1468-1475. https://doi.org/10.1046/j.1365-2745.2002.01504.x

Background: The proteolytic activity of the house dust mite allergen Der p 1 has recently been shown to bias Th cell subset development in favour of Th2. Apart from its direct effect on T cells, it is conceivable that the proteolytic activity of Der... Read More about The proteolytic activity of the major dust mite allergen Der p 1 conditions dendritic cells to produce less interleukin-12: Allergen-induced Th2 bias determined at the dendritic cell level.

Human T cells that have been conditioned by the proteolytic activity of the major dust mite allergen Der p 1 trigger enhanced immunoglobulin E synthesis by B cells (2002)
Journal Article
Ghaemmaghami, A. M., & Shakib, F. (2002). Human T cells that have been conditioned by the proteolytic activity of the major dust mite allergen Der p 1 trigger enhanced immunoglobulin E synthesis by B cells. Clinical and Experimental Allergy, 32(5), 728-732. https://doi.org/10.1046/j.1365-2222.2002.01374.x

Background: We have previously demonstrated that the proteolytic activity of Der p 1 selectively cleaves human CD25, the 55 kDa α subunit of the IL-2 receptor. As a result of cleavage of surface CD25, peripheral blood T cells produce less IFN-γ and m... Read More about Human T cells that have been conditioned by the proteolytic activity of the major dust mite allergen Der p 1 trigger enhanced immunoglobulin E synthesis by B cells.

Human T cell subset commitment determined by the intrinsic property of antigen: The proteolytic activity of the major mite allergen Der p 1 conditions T cells to produce more IL-4 and less IFN-γ (2001)
Journal Article
Ghaemmaghami, A. M., Robins, A., Gough, L., Sewell, H. F., & Shakib, F. (2001). Human T cell subset commitment determined by the intrinsic property of antigen: The proteolytic activity of the major mite allergen Der p 1 conditions T cells to produce more IL-4 and less IFN-γ. European Journal of Immunology, 31(4), 1211-1216. https://doi.org/10.1002/1521-4141%28200104%2931%3A4%3C1211%3A%3AAID-IMMU1211%3E3.0.CO%3B2-R

The house dust mite Dermatophagoides pteronyssinus allergen Der p 1 elicits IgE antibody responses in a significant proportion of patients suffering from dust mite allergy. We have recently shown that Der p 1 proteolytically cleaves a cell surface mo... Read More about Human T cell subset commitment determined by the intrinsic property of antigen: The proteolytic activity of the major mite allergen Der p 1 conditions T cells to produce more IL-4 and less IFN-γ.