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Cancer cells use exosomes as tools to manipulate immunity and the microenvironment.
Clayton A. Clayton A. Oncoimmunology. 2012 Jan 1;1(1):78-80. doi: 10.4161/onci.1.1.17826. Oncoimmunology. 2012. PMID: 22720217 Free PMC article.
Antigen-presenting cell exosomes are protected from complement-mediated lysis by expression of CD55 and CD59.
Clayton A, Harris CL, Court J, Mason MD, Morgan BP. Clayton A, et al. Eur J Immunol. 2003 Feb;33(2):522-31. doi: 10.1002/immu.200310028. Eur J Immunol. 2003. PMID: 12645951
Adhesion and signaling by B cell-derived exosomes: the role of integrins.
Clayton A, Turkes A, Dewitt S, Steadman R, Mason MD, Hallett MB. Clayton A, et al. FASEB J. 2004 Jun;18(9):977-9. doi: 10.1096/fj.03-1094fje. Epub 2004 Apr 1. FASEB J. 2004. PMID: 15059973
A common exosome feature is the expression of adhesion molecules, which include the integrin family. We have for the first time addressed the possible function of B cell-derived exosome-integrins by examining adhesive interactions of exosomes (immobilized onto beads) with
A common exosome feature is the expression of adhesion molecules, which include the integrin family. We have for the first time addre
Exosomes and the MICA-NKG2D system in cancer.
Clayton A, Tabi Z. Clayton A, et al. Blood Cells Mol Dis. 2005 May-Jun;34(3):206-13. doi: 10.1016/j.bcmd.2005.03.003. Blood Cells Mol Dis. 2005. PMID: 15885603
Exosomes are nanometer sized vesicles, secreted by a diverse range of cell types, whose biological functions remain ambiguous. ...These data highlight a role for tumor exosomes bearing NKG2D ligands as a mechanism contributing to cancer immune evasion....
Exosomes are nanometer sized vesicles, secreted by a diverse range of cell types, whose biological functions remain ambiguous. ...The …
Induction of heat shock proteins in B-cell exosomes.
Clayton A, Turkes A, Navabi H, Mason MD, Tabi Z. Clayton A, et al. J Cell Sci. 2005 Aug 15;118(Pt 16):3631-8. doi: 10.1242/jcs.02494. Epub 2005 Jul 26. J Cell Sci. 2005. PMID: 16046478
Exosomes are nanometer-sized vesicles secreted by a diverse range of live cells that probably have physiological roles in modulating cellular immunity. ...Stress also triggered a small increase in the quantity of exosomes produced [with a ratio of 1.245+/-0.0 …
Exosomes are nanometer-sized vesicles secreted by a diverse range of live cells that probably have physiological roles in modulating …
Human tumor-derived exosomes selectively impair lymphocyte responses to interleukin-2.
Clayton A, Mitchell JP, Court J, Mason MD, Tabi Z. Clayton A, et al. Cancer Res. 2007 Aug 1;67(15):7458-66. doi: 10.1158/0008-5472.CAN-06-3456. Cancer Res. 2007. PMID: 17671216
Interleukin-2 (IL-2) is a key factor supporting expansion and differentiation of CTL and natural killer (NK) cells but can also support regulatory T cells and their suppressive functions. ...In contrast, exosomes directly inhibited NK cell killing function in a T-ce …
Interleukin-2 (IL-2) is a key factor supporting expansion and differentiation of CTL and natural killer (NK) cells but can also suppo …
Increased exosome production from tumour cell cultures using the Integra CELLine Culture System.
Mitchell JP, Court J, Mason MD, Tabi Z, Clayton A. Mitchell JP, et al. Among authors: clayton a. J Immunol Methods. 2008 Jun 1;335(1-2):98-105. doi: 10.1016/j.jim.2008.03.001. Epub 2008 Apr 3. J Immunol Methods. 2008. PMID: 18423480
Similarly an 8 fold increase in exosome production was obtained from NKL cells (a suspension cell line) using a CELLine 1000 (CL1000) flask. ...This simple culture system is a cost effective, useful method for significantly increasing the quantity of exosomes …
Similarly an 8 fold increase in exosome production was obtained from NKL cells (a suspension cell line) using a CELLine 1000 ( …
Human tumor-derived exosomes down-modulate NKG2D expression.
Clayton A, Mitchell JP, Court J, Linnane S, Mason MD, Tabi Z. Clayton A, et al. J Immunol. 2008 Jun 1;180(11):7249-58. doi: 10.4049/jimmunol.180.11.7249. J Immunol. 2008. PMID: 18490724
NKG2D is an activating receptor for NK, NKT, CD8(+), and gammadelta(+) T cells, whose aberrant loss in cancer is a key mechanism of immune evasion. ...This hyporesponsiveness was evident even in the presence of IL-15, a strong inducer of NKG2D. Our data show that NK …
NKG2D is an activating receptor for NK, NKT, CD8(+), and gammadelta(+) T cells, whose aberrant loss in cancer is a key mechanism of i …
Can urinary exosomes act as treatment response markers in prostate cancer?
Mitchell PJ, Welton J, Staffurth J, Court J, Mason MD, Tabi Z, Clayton A. Mitchell PJ, et al. Among authors: clayton a. J Transl Med. 2009 Jan 12;7:4. doi: 10.1186/1479-5876-7-4. J Transl Med. 2009. PMID: 19138409 Free PMC article.
BACKGROUND: Recently, nanometer sized vesicles (termed exosomes) have been described as a component of urine. Such vesicles may be a useful non-invasive source of markers in renal disease. ...A control group of 10 healthy donors was included. Serum PSA was us …
BACKGROUND: Recently, nanometer sized vesicles (termed exosomes) have been described as a component of urine. Such vesicles may be …
Proteomics analysis of bladder cancer exosomes.
Welton JL, Khanna S, Giles PJ, Brennan P, Brewis IA, Staffurth J, Mason MD, Clayton A. Welton JL, et al. Among authors: clayton a. Mol Cell Proteomics. 2010 Jun;9(6):1324-38. doi: 10.1074/mcp.M000063-MCP201. Epub 2010 Mar 11. Mol Cell Proteomics. 2010. PMID: 20224111 Free PMC article.
Solubilization in a buffer containing SDS and DTT was essential for achieving proteomics analysis using an LC-MALDI-TOF/TOF MS approach. ...Interrogating the Gene Ontology database highlighted a strong association of this proteome with carcinoma of bladder and other …
Solubilization in a buffer containing SDS and DTT was essential for achieving proteomics analysis using an LC-MALDI-TOF/TOF MS approa …
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