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The Cytokeratin Filament-Aggregating Protein Filaggrin Is the Target
The Cytokeratin Filament-Aggregating Protein Filaggrin Is the Target

... most RA sera. The molecule was confirmed to be a protein by digestion with proteinase K. It showed an unusual solubility property: when a detergent-containing lysate was precipitated with absolute ethanol, it selectively dissolved upon resuspension in water, whereas the other proteins were irreversi ...
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... embryonic stem cells. Embryonic stem cells can develop into three types of cells, called ectodermal stem cells, endodermal stem cells, and mesodermal stem cells. These three types of stem cells then go on to form 200 different types of cells. For example, stem cells form the cells of your skin, the ...
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Signaling pathways implicated in the cellular innate immune
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... blood cells (hemocytes) that are functionally reminiscent of vertebrate macrophages, attesting to the importance of phagocytosis and other cell-mediated responses in eliminating various pathogens. Receptorligand binding activates signaling cascades that promote collaborative cellular interactions an ...
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... allergic rhinitis. We also sought to map cellular and molecular changes occurring as a result of allergen-specific immunotherapy. In the first two studies, a distinct expression of TLRs was demonstrated in subsets of B and T lymphocytes isolated from human tonsils. The expression levels seemed to be ...
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Oncogenic herpesviruses: viral mechanisms and modified immune
Oncogenic herpesviruses: viral mechanisms and modified immune

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CURRICULUM VITAE - University of Oxford

... trial. More recently, in collaboration with Professor Cerundolo, we have found that allergens generate neolipids which are novel ligands for CD1a, and can be presented to CD1arestricted T cells from human skin. We believe that this is an important finding, not only for CD1a and Langerhans cell biolo ...
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Molecular mimicry

Molecular mimicry is defined as the theoretical possibility that sequence similarities between foreign and self-peptides are sufficient to result in the cross-activation of autoreactive T or B cells by pathogen-derived peptides. Despite the promiscuity of several peptide sequences which can be both foreign and self in nature, a single antibody or TCR (T cell receptor) can be activated by even a few crucial residues which stresses the importance of structural homology in the theory of molecular mimicry. Upon the activation of B or T cells, it is believed that these ""peptide mimic"" specific T or B cells can cross-react with self-epitopes, thus leading to tissue pathology (autoimmunity). Molecular mimicry is a phenomenon that has been just recently discovered as one of several ways in which autoimmunity can be evoked. A molecular mimicking event is, however, more than an epiphenomenon despite its low statistical probability of occurring and these events have serious implications in the onset of many human autoimmune disorders. In the past decade the study of autoimmunity, the failure to recognize self antigens as ""self,"" has grown immensely. Autoimmunity is a result of a loss of immunological tolerance, the ability for an individual to discriminate between self and non-self. Growth in the field of autoimmunity has resulted in more and more frequent diagnosis of autoimmune diseases. Consequently, recent data show that autoimmune diseases affect approximately 1 in 31 people within the general population. Growth has also led to a greater characterization of what autoimmunity is and how it can be studied and treated. With an increased amount of research, there has been tremendous growth in the study of the several different ways in which autoimmunity can occur, one of which is molecular mimicry. The mechanism by which pathogens have evolved, or obtained by chance, similar amino acid sequences or the homologous three-dimensional crystal structure of immunodominant epitopes remains a mystery.
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