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Langerhans cells (LC) are the principal accessory cells present in epidermis. Because LC have limited capacity for self-renewal, epidermis is continually repopulated by as-yet uncharacterized bone marrow-derived LC progenitors. In addition, although LC persist in epidermis for extended periods, LC are induced to migrate from skin to regional lymph nodes(More)
In patients with pemphigus vulgaris (PV), autoantibodies against desmoglein 3 (Dsg3) cause loss of cell-cell adhesion of keratinocytes in the basal and immediate suprabasal layers of stratified squamous epithelia. The pathology, at least partially, may depend on protease release from keratinocytes, but might also result from antibodies interfering with an(More)
Pemphigus vulgaris (PV) is a life-threatening skin disease in which autoantibodies against a keratinocyte cell surface 130 kd glycoprotein, PV antigen (PVA), cause loss of cell-cell adhesion, with resultant epidermal blisters. We used affinity-purified PV IgG to isolate cDNA, containing the entire coding sequence for PVA, from human keratinocyte expression(More)
Credit and Contact Hours 1 credit hour laboratory (One 1-hour and 50-minute laboratory per week). Computer Engineering 3151 (214) is a laboratory complement to Computer Engineering 3150 (213), taken simultaneously or after Computer Engineering 3150 (213). Instructor Graduate Teaching Assistants coordinated by a faculty member Faculty coordinator varies –(More)
Primary mouse epidermal cells underwent spontaneous malignant transformation in culture. TWelve malignant epidermal cell lines were established which produced squamous cell carcinomas in syngeneic hosts. These lines were used to define criteria for recognizing transformed epidermal cells in vitro. Growth in suspension in agar, agarose, or Methocel was(More)
Pemphigus foliaceus (PF) is a human autoimmune disease in which antibodies are directed against the cell surface of epidermal cells with resultant blister formation. The histopathology of these blisters indicates that cells have detached from each other, and electron microscopy of early blisters shows diminished numbers, to complete loss, of desmosomes as(More)
Much of the original research on desmosomes and their biochemical components was through analysis of skin and mucous membranes. The identification of desmogleins 1 and 3, desmosomal adhesion glycoproteins, as targets in pemphigus, a fatal autoimmune blistering disease of the skin and mucous membranes, provided the first link between desmosomes, desmogleins,(More)