Content - Volume 82, Issue

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In the present report we used oligonucleotide microarray analysis for the identification of genes characterizing the late-stage metastatic phenotype of malignant melanoma. A panel of 5,600 genes was analysed in a low aggressive and a highly aggressive (metastatic) human malignant melanoma cell line, respectively. More than 300 differentially regulated genes were identified. High metastatic potenti ...

Long-chain sphingoid bases, e.g. phytosphingosine, sphingosine and sphinganine, main constituents of the stratum corneum, can strongly inhibit the growth of microorganisms that are known to have undesirable effects on the skin. The aim of this study was to investigate the in vitro activity of different phytosphingosine preparations against Malassezia furfur , and, in comparison, against the comm ...

In this study we investigated the capability of Treponema pallidum to stimulate human dermal fibroblasts to produce interstitial collagenase (MMP-1), which is needed to degrade type I collagen, the most abundant component of the human dermis. When T. pallidum was added to human dermal fibroblast culture, both the amount of secreted MMP-1 and its mRNA levels were increased. Our results show that ...

Rice starch added to bath water was studied for its possible beneficial effects on impaired barrier function as evaluated by transepidermal water loss measurements. The forearm skin of healthy volunteers was irritated by sodium lauryl sulphate. Exposure to rice-starch-containing bath water - twice daily for 15min - led to a 20% improvement on the healing capacity of damaged skin. The beneficial ef ...

Dystrophic epidermolysis bullosa pruriginosa, a subtype of epidermolysis bullosa dystrophica and a heterogeneous inherited disease, is characterized by pruritus, excoriated nodular prurigo-like lesions, skin fragility, altered anchoring fibrils and loss of dermal-epidermal adhesion. Mutation in type VII collagen gene (COL7A1) is thought to be implicated in the underlying change for dystrophic epid ...

Although palmoplantar psoriasis can be severely disabling, there are very few large clinico-epidemiological studies on this condition. Our purpose was to study the morphology and pattern of lesions in Indian patients with palmoplantar psoriasis and to elucidate the role of occupation in the incidence/localization of these lesions. All patients attending our Psoriasis Clinic from 1993 to 2000 were ...

A 78-year-old man presented with multiple, centrifugal erythema, which tended to coalesce, producing polycyclic configurations. The patient developed an annular, narrow blister that was always visible along the margin of the erythema. Histology of a biopsy specimen revealed hydropic degeneration of basal cells, exocytosis of lymphoid cells, and subepidermal blister with necrosis of individual kera ...

Fibroblastic rheumatism is a rare syndrome characterized by the association of multiple cutaneous nodules with symmetric polyarthritis. We report on a patient who presented a 4-year history of pink to skin-coloured nodular lesions symmetrically localized at para-articular sites without evident rheumatological symptoms. Histopathology of a skin nodule led to the diagnosis of fibroblastic rheumatism ...

A 7-year-old girl presented with large soft masses rising from the nostril and from behind the ear. She had previously been diagnosed as suffering from hyper-IgE syndrome. The presence of herpes simplex virus infection within these lesions was confirmed by biopsy and immunohistochemical studies. The mass lesions did not respond to antibacterial therapy with cefazolin, but improved promptly under a ...

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