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  • 1
    Electronic Resource
    Electronic Resource
    Auto-oxidative damage in cement dermatitis (1985)
    Springer
    Archives of dermatological research 277 (1985), S. 288-292 
    Details
    ISSN: 1432-069X
    Keywords: Cement dermatitis ; Oxygen intermediates ; Dapsone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Oxygen intermediates (OIs) generated by stimulated polymorphonuclear leukocytes (PMNs) are known to induce auto-oxidative tissue damage at the site of inflammation. PMNs from five patients with severe and chronic cement dermatitis generated markedly increased levels of OIs. However, only a slight increase in OI generation by PMNs was observed in cement workers without cement dermatitis. Dapsone, which has recently been shown to decrease OI levels, was found to be clinically effective in the treatment of cement dermatitis in these five patients. After treatment, a significant decrease in OI generation was observed in all patients studied. In skin tissues from the cement workers without cement dermatitis, enhanced superoxide-dismutase (SOD) activities as well as increased OI generation by PMNs were noted. In spite of the greatly increased OI generation by PMNs, the SOD activities in the patients were comparable to those in healthy controls. These findings suggest that the severe skin manifestations in patients with cement dermatitis can partly be explained by a defective capacity for enhancing SOD activity which removes increased PMN-derived OIs and thus prevents subsequent tissue injury by OIs at the site of inflammation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00509082
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  • 2
    Electronic Resource
    Electronic Resource
    Inhibition by a novel peptide leukotriene receptor antagonist ONO-1078 of airway wall thickening and airway hyperresponsiveness to histamine induced by leukotriene C4 or leukotriene D4 in guinea-pigs (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 24 (1994), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We studied the effect of intravenous administration of leukotriene (LT) C4 or LTD., on airway responsiveness to histamine and airway wall thickening in guinea-pigs. Guinea-pigs were killed and the lungs were fixed in formalin. Slides from paraffin-embedded section of the lungs were stained and the airways that were cut in transverse section were measured by tracing enlarged images using a digitizer, Moreover, airway resistance (Raw) was determined by a pulmonary mechanics analyser and we calculated two indices, an index of airway wall thickening and the one of airway hyperresponsiveness to histamine, from changes of baseline-Raw and peak-Raw following intravenous administration of histamine before and after the intravenous administration of LTC4 or LTD4. The infusion of LTC4 or LTD4 induced an increase of the relative thickness of the airway wall in peripheral bronchi demonstrable by the histological examination. In analysis of airway function, intravenous administration of LTC4 or LTD4 induced airway hyperresponsiveness to histamine with airway wall thickening. The LTC4 and LTD4 receptor antagonist ONO-1078 inhibited these effects of LTC4 and LTD4, suggesting LTC4 and LTD4 may induce airway wall thickening and airway hyperresponsiveness through LTC4 and LTD4 receptors in the airways.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1994.tb02729.x
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  • 3
    Electronic Resource
    Electronic Resource
    Systemic sclerosis terminating as systemic necrotizing angiitis (1993)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 129 (1993), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We report a 57-year-old woman with systemic sclerosis (SSc) who died suddenly, following a haemoptysis. At post-mortem, systemic necrotizing angiitis of small vessels was observed in several organs. Necrotizing angiitis has been reported as a rare complication of systemic sclerosis, and is usually lethal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1993.tb03344.x
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  • 4
    Electronic Resource
    Electronic Resource
    A scleroderma-like variant of recessive dystrophic epidermolysis bullosa? (1993)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 129 (1993), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We report a 17-year-old Japanese girl with typical clinical features of recessive dystrophic epidermolysis bullosa (RDEB). She had initially been diagnosed as suffering from systemic sclerosis because her skin became sclerotic at the age of 21 months, and there was no apparent blister formation. She subsequently developed severe dystrophic skin changes. However, there was histological evidence of subepidermal cleavage, diminished basement membrane zone immunohistochemical reactivity to anti-type VII collagen monoclonal antibody, and markedly decreased numbers of anchoring fibrils on electron microscopy. Although both the clinical and laboratory findings support a diagnosis of RDEB, we cannot exclude the possibility that our patient might represent a new clinical entity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1993.tb00494.x
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  • 5
    Electronic Resource
    Electronic Resource
    Increased serum levels of squamous cell carcinoma-related antigen in pemphigus (1988)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 118 (1988), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Serum levels of squamous cell carcinoma-related antigen (SCC-RAG) were measured in five cases of pemphigus, five cases of bullous pemphigoid and 18 cases of benign and malignant dermatoses other than SCC. The SCC-RAG titres were significantly raised in four of five patients with pemphigus, while they remained within the normal range in the other dermatoses except in one case. In three pemphigus cases in whom serial measurements were made, SCC- RAG levels seemed to be related to disease activity. The SCC-RAG levels in blister fluids were much higher than those in serum, suggesting that the skin is a major source of serum SCC- RAG.These results show that SCC-RAG is increased not only in SCC, but also in some cases of pemphigus, and suggest that pemphigus antibodies may cause the production or release of SCC-RAG.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1988.tb02454.x
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  • 6
    Electronic Resource
    Electronic Resource
    Disaccharide analysis of the skin glycosaminoglycans in patients with Werner's syndrome (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental dermatology 19 (1994), S. 0 
    Details
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The disaccharide content of the chondroitinase-digestible glycosaminoglycans (GAGs) extracted from 6–mm skin punch biopsies from the atrophic and sclerotic skin of two patients with Werner's syndrome (WS) were determined using high-performance liquid chromatography after 1–phenyl-3–methyl-5–pyrazolone labelling. The total amount of main disaccharides was significantly decreased in the atrophic lesions of WS. In the atrophic forearm skin, the decrease in the main disaccharide unit of hyaluronic acid, ΔDi-HA, and the increase in the ratio of the main disaccharide unit of dermatan sulphate, ΔDi-4S, to ΔDi-HA were significant vs. normal control (P 〈0.01 and 0.05, respectively). The sclerotic skin showed an increase in ΔDi-4S (DS) (P 〈 0.05) and a decrease in ΔDi-HA (P 〈 0.02) compared with normal controls, as well as a significantly higher ratio of ADi-4S (DS)/ΔDi-HA compared with normal controls (P 〈 0.0002) and systemic sclerosis patients (SSc; P 〈 0.02). No other statistical difference was found in the amount of each main disaccharide unit between the sclerotic skin of WS and SSc. Histological examination revealed that the atrophic skin showed thinning of the dermis with a slight increase of fine collagen bundles, whereas the sclerotic skin demonstrated a thickened dermis with prominent deposition of fine collagen bundles in the deep dermis. In SSc, thickening of the whole dermis, composed of hyalinized or swollen collagen bundles, was found. These results suggest mat alterations of disaccharide components in WS may differentiate the atrophic skin changes from the sclerotic skin changes, while the mechanisms for abnormal fibrosis remain to be elucidated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2230.1994.tb01253.x
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  • 7
    Electronic Resource
    Electronic Resource
    Lymphomatoid papulosis: ultrastructural, immunohistochemical and gene analytical studies (1989)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 121 (1989), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Ultrastrutual, immunohistochemical and gene analytical studies were carried out on a 39-year-old patient with lymphomatoid papulosis. Two different cell groups were demonstrated in the papulonodular eruptions: large atypical cells with multiple nuclei that were well stained with anti-Tac, but not with Leu 3a, and other cells that possessed prominent hyperchromatic nuclei and which stained well with Leu 1 and Leu 3a but not with anti-Tac. Gene analytical studies using EcoRI, BamHI and HindIII revealed no rearrangement, indicating a non-clonal T-cell proliferation unlike malignant T-cell lymphoma. These results suggest that the present case was benign.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1989.tb01433.x
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  • 8
    Electronic Resource
    Electronic Resource
    Suppression of contact sensitivity by local hyperthermia treatment due to reduced Langerhans cell population in mice (1989)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 120 (1989), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effects of local hyperthermia treatment on contact sensitivity (CS) and on the number of Langerhans cells (LCs) were studied in mice. CS was significantly suppressed when mice were sensitized in the hyperthermia treated skin 1, 2 or 4 days after treatment (43°C for 45 min). This suppressive effect was not observed 7 or 14 days after the treatment. CS was also suppressed when mice were sensitized in non-treated skin 1 day after the treatment. The density of LCs detected as ATPase-positive cells also decreased significantly 1, 2, 4 and 7 days after the treatment. There appeared to be a positive correlation between the number of LCs and the extent of CS when mice were sensitized at hyperthermia treated skin. It was observed that this suppressive effect on CS was dose- and temperature-dependent. It could be transferred by spleen cells from the hyperthermia treated and DNFB-sensitized donors, and was antigen specific when spleen cells were transferred before sensitization of the recipient mice. This indicated it was, in part, associated with the induction of suppressor cells. These findings suggest that local hyperthermia treatment reduces the number of LCs with subsequent suppression of the induction phase of delayed-type hypersensitivity by the genertion of antigen-specific suppressor cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1989.tb01322.x
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  • 9
    Electronic Resource
    Electronic Resource
    Anti-oxidant action of metronidazole: a possible mechanism of action in rosacea (1986)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 114 (1986), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: To elucidate the mechanism of action of metronidazole in the treatment of rosacea, the effect of metronidazole on the generation of reactive oxygen species was examined both in neutrophil and xanthine-xanthine oxidase systems. Metronidazole had anti-oxidant action which was not exerted by the scavenging of reactive oxygen species, but by having an effect on neutrophil cell functions. Beneficial effects of metronidazole in the treatment of papulopustular rosacea can in part be attributable to this anti-inflammatory effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1986.tb02802.x
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  • 10
    Electronic Resource
    Electronic Resource
    A case of a lymphoproliferative disorder: Usefulness of DNA analysis in diagnosis (1988)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 118 (1988), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We describe a patient in whom a suppressor/cytotoxic T cell lymphoma was suspected on the basis of histology and immunohistochemistry. DNA analysis of specimens from three different lesions, using restriction enzymes Eco RI and Bam HI, showed the same rearrangement of the T cell receptor β-chain genes. We consider this technique to be of value in the early diagnosis of malignant lymphoma when differential diagnosis from other lymphoproliferative disorders is difficult with conventional methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1988.tb01784.x
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