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The role of CD4(+) vs CD8(+) T cells in contact hypersensitivity (CHS) remains controversial. In this study, we used gene knockout (KO) mice deficient in CD4(+) or CD8(+) T cells to directly address this issue. Mice lacking either CD4(+) or CD8(+) T cells demonstrated depressed CHS responses to dinitrofluorobenzene and oxazolone compared with wild-type(More)
Interleukin (IL)-8 is a member of the supergene family of proinflammatory and chemotactic cytokines recently termed chemokines. IL-8 has been implicated in the pathogenesis of inflammatory skin diseases such as psoriasis. In this study, IL-8 mRNA expression and protein production were determined in normal cultured human epidermal keratinocytes after(More)
Keratinocyte-derived cytokines have been implicated in the pathogenesis of a number of skin diseases. In this study we examined the possible role of keratinocyte-derived cytokines in the development of acantholysis in pemphigus vulgaris. Nineteen patients with pemphigus vulgaris, demonstrating the characteristic clinical, pathologic, and immunopathologic(More)
The skin is the largest organ in the human body. It acts not only as an important structural barrier against injury but also as a peripheral arm of the immune system. Elucidating the characteristics of this latter function has taken on renewed importance in recent years. Exposure to chemicals in everyday life has increased exponentially over the past(More)
The last decade has witnessed remarkable advances in the therapy for cutaneous fungal diseases. These will have a major impact on the choice of antifungal therapy. To understand these advances traditional therapies for fungal diseases, the polyenes, griseofulvin, older topical agents and the older azoles, will be reviewed first. Part II will focus on recent(More)
IL-1 may influence or be influenced by a number of abnormalities present in psoriasis; including keratinocyte proliferation, eicosanoid production, fibroblast activation, endothelial cell adhesiveness, T cell infiltration and activation, cyclic nucleotide metabolism, and transmembrane signal transduction mechanisms. We assessed IL-1 regulation in normal,(More)
Nerve growth factor (NGF) is a polypeptide that is required for normal development and maintenance of the sympathetic and sensory nervous systems. Skin has been shown to contain relatively high amounts of NGF, which is in keeping with the finding that the quantity of NGF in a tissue is proportional to the extent of sympathetic innervation of that organ.(More)
PURPOSE Basal cell carcinoma (BCC) is the most common human neoplasm. Much interest lies in determining the genetic basis of BCC to explain the unique locally invasive phenotype and infrequent metastatic behavior of these skin tumors. OBJECTIVE We sought to examine a gene expression profile for BCC to elucidate new molecules responsible for its unique(More)
Evidence has been presented to support the theory that the KC, by virtue of its production of cytokines and growth factors, is an integral component of the immune system. The production of cytokines by the KC is normally carefully regulated in order to maintain normal body homeostasis. Malfunction of the regulatory processes controlling cytokine release may(More)