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Phenobarbital has a high potential to elicit adverse reactions including severe skin eruptions and systemic involvements among the worldwide-prescribed drugs. Although phenobarbital hypersensitivity is thought to be mediated by T cells specific to the drug, its precise mechanism remains not fully elucidated. To characterize T cells reactive with(More)
A 66-year-old man was admitted to our hospital presenting 2 weeks' history of fever of unknown origin with elevated levels of lactate dehydrogenase and C-reactive protein. Six years before this episode, he had developed diffuse large B-cell lymphoma, which had been successfully treated with chemoradiation. While recurrence of diffuse large B-cell lymphoma(More)
BACKGROUND Acute exacerbation (AE) is currently established as a distinct condition with acute deterioration of respiratory status in idiopathic pulmonary fibrosis (IPF). Recently, several studies have reported that AE also occurred in interstitial pneumonias other than IPF, such as collagen vascular disease-associated interstitial pneumonia (CVD-IP).(More)
BACKGROUND Stress, which mediates anxiety, worsens skin symptoms in patients with atopic dermatitis (AD). The contribution of anxiety to immune dysfunction, which plays a critical role in the pathogenesis of AD, requires clarification. OBJECTIVES To examine the relationship between anxiety and atopy-relevant immune function in AD. METHODS Eighty-five(More)
BACKGROUND Although idiopathic nonspecific interstitial pneumonia (NSIP) was initially identified as a provisional diagnosis, the 2008 American Thoracic Society Project concluded that idiopathic NSIP is a distinct form of idiopathic interstitial pneumonia. However, an association between idiopathic NSIP and autoimmune diseases still attracts interest. In(More)
Hair follicles (HFs) enjoy a relative immune privilege (IP) that is characterized by downregulation of major histocompatibility complex (MHC) class I and local expression of potent immunosuppressants. Normally, natural killer (NK) cells attack cells with absent/low MHC class I expression. However, because few perifollicular NK cells are found around healthy(More)
Percutaneous peptide immunization (PPI) is a simple and noninvasive immunization approach to induce potent CTL responses by peptide delivery via skin with the stratum corneum removed. After such a barrier disruption in human skin, epidermal Langerhans cells, although functionally matured through the up-regulation of HLA expression and costimulatory(More)
Skin aging appears to be the result of both scheduled and continuous "wear and tear" processes that damage cellular DNA and proteins. Two types of aging, chronological skin aging and photoaging, have distinct clinical and histological features. Chronological skin aging is a universal and inevitable process characterized primarily by physiologic alterations(More)
Interactions between chemokines and chemokine receptors are involved in migration and invasion of lymphoma cells. We investigated expression profiles of CXCR3 and CCR4 by immunohistochemistry and flow cytometry, and their biologic behaviors by real-time horizontal chemotaxis assay in cutaneous T cell and NK/T-cell lymphomas (TCLs). Tumor cells in mycosis(More)