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  • 1
    ISSN: 1437-160X
    Keywords: Key words Chemokines ; Systemic sclerosis ; RANTES ; Keratinocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Inflammatory infiltrates and upregulated collagen production are hallmarks of systemic sclerosis (SSc). There are indications that chemokines are involved in accumulation of inflammatory and matrix-synthesizing cells in SSc skin lesions. Therefore, we searched for the expression and localization of the chemokine RANTES (“regulated upon activation and normal T cells expressed and secreted”) in skin and esophageal biopsies from patients with SSc. Using immunohistochemistry and in situ hybridization, skin biopsies derived from clinically involved and noninvolved skin of 18 patients with early and long-term SSc were examined for RANTES expression and compared with nondiseased skin sections of seven patients without SSc. In addition, esophageal snap biopsies were taken in a subgroup of six SSc patients. Strong expression of RANTES could be detected in the epidermis in keratinocytes of patients with short-term and long-term disease, both on the mRNA and protein level. The percentage of RANTES-expressing cells were significantly higher in clinically noninvolved skin sections than in involved skin areas. In contrast, no RANTES expression was found in esophageal biopsies or in the control group. The results indicate that RANTES is present in human sclerodermatous skin. RANTES may be involved in early pathogenesis of SSc as well as in fibrosis pathways, either by chemoattraction of immunocompetent cells and/or by modulation of collagen production.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1173
    Keywords: Schlüsselwörter Besenreiser ; Sklerotherapie ; Blitzlampengepumpter gepulster Farbstofflaser ; Selektive Photothermolyse ; Key words Ectatic leg veins ; Sclerotherapy ; Flashlamp-pumped pulsed dye laser ; Selective photothermolysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A new flashlamp-pumped pulsed dye laser with 1,5 ms pulse length and tunable wavelengths between 585 and 600 nm (Candela ScleroPLUS) is now available for the treatment of ectatic leg veins. We evaluated 232 single test treatments using 595 and 600 nm wavelength in 75 test persons. For smaller vessels up to a diameter of 0,5 mm, treatments at 16 and 18 J/cm2 showed good results in 60 and 82% respectively; for vessels up to 1 mm in 27 and 33%. Treatment at 595 nm was a little more effective than at 600 nm. Larger vessels could not be treated effectively. The main side effects consisted in hyper- (34%) or hypopigmentation (30%). Thus, in addition to the usual sclerotherapy, this laser is a useful device for the treatment of leg vein ectasia.
    Notes: Zusammenfassung Zur Behandlung kosmetisch störender Besenreiser steht ein neuer blitzlampengepumpter gepulster Farstofflaser mit 1,5 ms Impulsdauer und verschiedenen Wellenlängen zwischen 585 und 600 nm zur Verfügung (Candela ScleroPLUS). Wir evaluierten 232 einmalige Probebehandlungen mit 595 und 600 nm Wellenlänge bei 75 Probanden. Bei kleineren Gefäßen bis 0,5 mm Durchmesser konnte bei Behandlung mit 16 bzw. 18 J/cm2 unter Zusammenfassung beider Wellenlängen in 60 bzw. 82% der Fälle ein zufriedenstellendes Ergebnis erzielt werden, bei Gefäßen bis 1 mm noch in knapp 27 bzw. 33%, wobei bei 595 nm tendenziell bessere Ergebnisse als bei 600 nm beobachtet werden konnten. Bei größeren Gefäßen zeigte sich kein deutlicher Erfolg. Die Nebenwirkungen beschränkten sich im wesentlichen auf Hyper- (34%) und Hypopigmentierungen (30%). Dieser Laser stellt somit eine sinnvolle Ergänzung zur herkömmlichen Sklerosierungstherapie dar.
    Type of Medium: Electronic Resource
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