U D O'Shea

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The apparent clonality of T cells present in enteropathy associated T cell lymphomas (EATCLs) has been previously reported by showing T cell receptor (TCR) gene rearrangement in fresh tumor tissue. The EATCL presented here exhibits the novel phenotype CD3+, HML-1+, CD4+, CD8+, and TCR Vbeta 8+. The oligoclonality of the tumor cells is shown using the(More)
AIMS Some patients with coeliac disease, despite strict adherence to a gluten-free diet, continue to have significant symptoms and/or a severe small intestinal histological lesion. The term "refractory coeliac disease" (rCD) is used to describe this condition. The purpose of this study was to investigate the value of tissue molecular markers reported to(More)
BACKGROUND In coeliac disease, following the introduction of a gluten-free diet, monitoring mucosal disease activity requires repeated small intestinal biopsies. If a test measuring a circulating inflammatory marker was available, this would be clinically valuable. AIM To determine if levels of soluble CD163, a scavenger receptor shed by tissue(More)
AIMS To isolate RNA and DNA simultaneously from formalin fixed paraffin wax embedded tissue to assess the clonality of enteropathy associated T cell lymphomas and to analyse it in detail by a non-radioactive method of T cell receptor complementarity determining region 3 (CDR3) spectratyping. METHODS DNA and RNA were isolated simultaneously from formalin(More)
M proteins are coiled-coil dimers expressed on group A streptococcal cell surfaces. They have an important role in host antistreptococcal immunity and in poststreptococcal autoimmune sequelae. Controversy has arisen regarding whether type 5 M proteins are superantigenic for human T cells. To investigate this, we have produced and tested M5 in the form of(More)
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