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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 66 (1988), S. 540-544 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Content and distribution of the different sialic acids on human lymphocytes, isolated from 7–10 ml of fresh human blood, were determined using microanalytical methods, such as HPLC and a colorimetric test. Comparison of the data of patients with melanoma with those of healthy persons shows an evident increase of the sialic acid content combined with a shift of the sialic acid distribution to higher O-acetylated derivatives.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 65 (1987), S. 575-575 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 71 (1993), S. 305-309 
    ISSN: 1432-1440
    Keywords: Cutaneous polyarteritis nodosa ; Relapsing polychondritis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Relapsing polychondritis is an infrequently diagnosed, though not neccessarily uncommon, systemic disorder characterized by recurrent and potentially destructive inflammation of cartilaginous structures, the eye, and the audiovestibular and cardiovascular systems. Although dermal involvement occurs in approximately 25% of patients with relapsing polychondritis, in only few cases has a skin biopsy been obtained revealing lesions such as leukocytoclastic vasculitis, livedo reticularis, erythema nodosum or keratodermia blenorrhagicum. We describe a patient with relapsing polychondritis in whom a cutaneous polyarteritis nodosa preceded cartilage inflammation by 6 months. Cutaneous polyarteritis nodosa is a rare form of vasculitis that appears to be limited primarily to the skin, muscles, and joints. In contrast to the systemic form of the disease it is characterized by the absence of visceral lesions and a relapsing but benign course. The present case and the fact that vasculitis is a concomitant feature in approximately 30% of patients with relapsing polychondritis [21] demonstrates that this condition may not represent a distinct clinical entity.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1440
    Keywords: Waldenström's macroglobulinemia ; Paraproteinemia ; Cryoglobulinemia ; Skin ulcers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A 71-year-old man presented with epistaxis and large ulcers on arms and legs. A monoclonal IgM-kappa gammopathy and high levels of cryoglobulins were found. Histology of the affected skin showed deposits of paraprotein in the small vessels, causing luminal obstruction. This in turn caused ischemic skin lesions, which were successfully treated with cortisone (fluocortolone 100 mg/day every second day) and cyclophosphamide (100 mg/day).
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1173
    Keywords: Schlüsselwörter Skinresurfacing ; Laser-Faltenbehandlung ; Er:YAG-Laser ; CO2-Laser ; Scanner ; Key words Laser skin resurfacing ; Er:YAG laser ; CO2 laser ; Flashscanner
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary We compared a cw carbon dioxide flash-scanning laser system to an Er:YAG laser in laser skin resurfacing of facial rhytides. In all patients, CO2 laser treatment showed a better cosmetic result whereas erythema and postinflammatory hyperpigmentation were less marked in Er:YAG laser therapy.
    Notes: Zusammenfassung Anhand einer klinischen Studie vergleichen wir einen cw-CO2-Laser mit Scannersystem mit einem Er:YAG-Laser hinsichtlich Wirksamkeit und Nebenwirkungsspektrum bei der Laser-Faltenbehandlung. Bei sämtlichen behandelten Patienten zeigte sich der CO2-Laser bezüglich des kosmetischen Endergebnisses dem Er:YAG-Laser deutlich überlegen. Erythem und postinflammatorische Hyperpigmentierung als in jedem Fall reversible Nebenwirkungen waren beim Er:YAG-Laser dagegen deutlich geringer ausgeprägt als beim CO2-Laser.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-069X
    Keywords: Pityriasis rubra pilaris ; Histochemistry ; Autoradiography ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Five patients with pityriasis rubra pilaris (PRP) were analyzed by means of light and electron microscopy as well as by histochemistry and autoradiography. The results were compared with findings in psoriasis vulgaris. In PRP we found a moderate increase of the labeling index of epidermal cells, a highly increased labeling index of dermal infiltrating cells, and a mild spongiosis, and in the stratum granulosum, a decreased number of tonofilaments and an increased number of keratinosomes. The horny layer in PRP showed a pronounced histochemical and electron microscopical parakeratosis, even when histological parakeratosis was absent. In contrast with psoriasis vulgaris, there was no exocytosis of polymorphonuclear leucocytes into the epidermis, the papillomatosis index was normal, and there were no tortuous capillaries in the dermal papillae. The stratum granulosum was always present and sometimes thickened, showing electron microscopical changes different from those referred to in psoriasis. These changes point to a relatively distinct pattern of epidermal changes in PRP.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Journal of the European Academy of Dermatology and Venereology 19 (2005), S. 0 
    ISSN: 1468-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Progress in the understanding of psoriasis as a T-cell mediated inflammatory disease has led to the development of new immunomodulatory therapies. Currently the main focus is on the so-called biologics (or biological agents), including fusion proteins, monoclonal antibodies, cytokines and selective receptors. They mainly target single steps in the complex cascade of humoral and cellular inflammatory immunomechanisms that finally lead to the accelerated growth of epidermal and vascular cells in the psoriatic lesions. The most promising and advanced biological agents are discussed along with their influence on the critical pathophysiological steps in psoriasis, including depletion of T cells, blockade of initial T-cell activation and T-cell receptor (TCR) stimulation, blockade of costimulatory signals and T-cell proliferative signals as well as restoration of the T helper type 1 (Th1)/Th2 balance by diminishing type 1 cytokines and administration of type 2 cytokines. In addition to the biological agents, further development of ‘classical’ dermatological therapies, such as retinoids, or the discovery of new indications for non-dermatological agents contribute to the novel pharmacological approaches in the treatment of psoriasis.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Journal of the European Academy of Dermatology and Venereology 19 (2005), S. 0 
    ISSN: 1468-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Metoprolol, a widely prescribed β-adrenergic receptor blocker, has occasionally been associated with a diversity of cutaneous reactions. We present a 79-year-old male patient with erosive lichen planus (LP) on the feet and hands who was successfully treated with topical tacrolimus. Six months after the lesions had been cured the patient received the β-receptor blocker metoprolol for the treatment of hypertonus. Within only 2 weeks of metoprolol intake the erosive lesions on the palms and feet recurred. After discontinuation of the drug and repetitive topical treatment with tacrolimus a complete remission of the lesions could be achieved. The recurrence of erosive LP probably secondary to metoprolol and the therapeutic success of topical tacrolimus in the treatment of LP are discussed.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background  Recent studies have shown that collagen-degrading matrix metalloproteinase (MMP)-1 and MMP-3 are produced by fibroblasts in response to photodynamic therapy (PDT) with 5-aminolaevulinic acid (ALA) and are considered to be involved in the antisclerotic effects of ALA-PDT observed in the treatment of localized scleroderma.Objectives  As the primary target of topical PDT is epidermal keratinocytes, we studied the indirect participation of keratinocytes in the production of MMPs and collagen by dermal fibroblasts.Methods  Keratinocytes were treated with sublethal doses of ALA (100 µmol L−1) and red light. The conditioned media were collected 24 h after PDT and primary human fibroblasts were exposed to these media for 6–48 h. Further, a coculture model, keratinocytes seeded on to collagen type IV-coated transwells in the upper chamber and fibroblasts in the lower chamber, was used to study paracrine effects of keratinocytes after PDT.Results  Keratinocyte supernatants after PDT showed a significant, up to 10-fold increase of interleukin (IL)-1α and a 2·5-fold increase of tumour necrosis factor-α as determined by enzyme-linked immunosorbent assay, while IL-6, MMP-1 and MMP-3 were not altered significantly. Fibroblasts treated with keratinocyte-conditioned media after PDT showed an induction of MMP-1 and MMP-3 protein levels up to threefold in both models used, suggesting that ALA-PDT modulates MMP-1 and MMP-3 production via indirect mechanisms. Collagen type I mRNA expression by fibroblasts was not altered significantly in either model. The addition of an IL-1 receptor antagonist to the keratinocyte-conditioned media completely inhibited the induction of MMP-1 and MMP-3 in stimulated fibroblasts, suggesting that IL-1 is mainly responsible for the observed paracrine effects.Conclusions  We present evidence that PDT can trigger MMP production in dermal fibroblasts not only directly as has been already shown, but also by an indirect paracrine loop mediated by soluble factors released by epidermal keratinocytes.
    Type of Medium: Electronic Resource
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