abstract：:Optical coherence tomography (OCT) is a novel non-invasive imaging technique for in vivo histologic characterization of tissues. Besides pure morphology, additional functional parameters of the tissue investigated can be evaluated at the same time, such as the refractive index and the scattering coefficient. The purpo...

journal_title：Experimental dermatology

authors： de Giorgi V,Stante M,Massi D,Mavilia L,Cappugi P,Carli P

更新日期：2005-01-01 00:00:00

abstract：:Type-1 cytokine-producing T cells are important in the pathogenesis of psoriasis vulgaris, for which efficient therapy is provided by means of narrow-band ultraviolet-B (NB-UVB). The expression of the type-1 cytokine interferon-gamma (IFN-gamma) is regulated by interleukin-12 (IL-12), IL-15, IL-18 and IL-23; however, ...

journal_title：Experimental dermatology

authors： Piskin G,Tursen U,Sylva-Steenland RM,Bos JD,Teunissen MB

更新日期：2004-12-01 00:00:00

abstract：:The aim of the present study was to evaluate experimentally whether administration of recombinant (rh) vascular endothelial growth factor (VEGF) can protect skin flaps from necrosis and to study the optimum mode of rh-VEGF administration. We used rats to study the effects of local or systemic administration of rh-VEGF...

journal_title：Experimental dermatology

authors： Scalise A,Tucci MG,Lucarini G,Giantomassi F,Orlando F,Pierangeli M,Pugnaloni A,Bertani A,Ricotti G,Biagini G

更新日期：2004-11-01 00:00:00

abstract：:The role of T cells in the pathogenesis of psoriasis is widely acknowledged. However, key aspects of their precise function in the disease as well as the relative pathogenic contribution of T-cell subsets are still unknown. T-cell clones have been isolated from psoriatic plaques but a study of conditions affecting the...

journal_title：Experimental dermatology

authors： Kohlmann WM,Urban W,Sterry W,Foerster J

更新日期：2004-10-01 00:00:00

abstract：:Nitric oxide (NO) is a potent intercellular mediator of melanogenesis, whereas metallothionein (MT) is an inducible intracellular antioxidant that has been reported to scavenge NO. We investigated the existence and induction of MT in melanocytes, and its inhibitory effect on NO-induced melanogenesis. The expression of...

journal_title：Experimental dermatology

authors： Sasaki M,Kizawa K,Igarashi S,Horikoshi T,Uchiwa H,Miyachi Y

更新日期：2004-08-01 00:00:00

abstract：:Mycosis fungoides (MF) is the most frequent variant of cutaneous T-cell lymphomas (CTCLs). MF primarily involves the skin initially with patches and plaques. In later stages, cutaneous tumors develop and tumor cells may spread to lymph nodes and finally to visceral sites. Here, we describe an animal model for MF in im...

journal_title：Experimental dermatology

authors： Thaler S,Burger AM,Schulz T,Brill B,Bittner A,Oberholzer PA,Dummer R,Schnierle BS

更新日期：2004-07-01 00:00:00

abstract：:The expression of amphiregulin (AR) in the basal epidermis of transgenic mice [keratin 14 promoter AR gene (K14-ARGE)] has been previously shown to induce an early-onset and severe skin pathology, with many similarities to psoriasis. In this study, it is demonstrated that involucrin enhancer/promoter-dependent express...

journal_title：Experimental dermatology

authors： Cook PW,Brown JR,Cornell KA,Pittelkow MR

更新日期：2004-06-01 00:00:00

abstract：:Pruritus is the most distressing symptom in haemodialysis (HD) patients. Its aetiology has not yet been delineated, and thus there are no good therapeutical options. Case reports and series attribute antipruritic potency to the serotonin receptor antagonists of the 5-HT3 type in renal pruritus. It was the aim of this ...

journal_title：Experimental dermatology

authors： Weisshaar E,Dunker N,Röhl FW,Gollnick H

更新日期：2004-05-01 00:00:00

abstract：:Ultraviolet (UV) light is an effective treatment for skin disorders like psoriasis in which the cutaneous neurosensory system may have a pathogenic role. In this study, we examined the possibility that UV modulation of the cutaneous neurosensory system and calcitonin gene-related peptide (CGRP) may contribute to local...

journal_title：Experimental dermatology

authors： Legat FJ,Jaiani LT,Wolf P,Wang M,Lang R,Abraham T,Solomon AR,Armstrong CA,Glass JD,Ansel JC

更新日期：2004-04-01 00:00:00

abstract：:Even though anthralin is a well-established topical therapeutic agent for psoriasis, little is known about its effects and biochemical mechanisms of signal transduction. In contrast to a previous report, we found that anthralin induced time- and concentration-dependent phosphorylation of epidermal growth factor recept...

journal_title：Experimental dermatology

authors： Peus D,Beyerle A,Vasa M,Pott M,Meves A,Pittelkow MR

更新日期：2004-02-01 00:00:00

abstract：:A causative link between emotional stress and acne has long been postulated. There is mounting evidence that the molecular mechanism underlying this observation is related to the expression of receptors for several neuroendocrine mediators by the sebaceous gland. Recent and ongoing studies have indicated that human se...

journal_title：Experimental dermatology

authors： Zouboulis CC,Böhm M

更新日期：2004-01-01 00:00:00

abstract：:Anthralin is a widely used topical anti-psoriatic drug that may have an immunomodulating effect on alopecia areata (AA) as it does in psoriasis. The aims of the present study were to investigate the effects of anthralin on hair growth in balding C3H/HeJ mice affected by an AA-like disease and to study the underlying m...

journal_title：Experimental dermatology

authors： Tang L,Cao L,Sundberg JP,Lui H,Shapiro J

更新日期：2004-01-01 00:00:00

abstract：:We have shown previously in psoriasis a very high prevalence of epidermodysplasia verruciforms-associated human papillomavirus 5 (EVHPV5) DNA and antibodies to human papillomavirus 5 (HPV5) virus-like particle (VLP) L1, and we suggested that this benign hyperproliferative disorder could be a reservoir for EVHPVs. Here...

journal_title：Experimental dermatology

authors： Majewski S,Jablonska S

更新日期：2003-12-01 00:00:00

abstract：:Microsatellite instability and reduced expression of mismatch repair proteins were reported in melanomas. However, little is known about mutational changes of the mismatch repair genes in radial growth-phase melanoma especially following UVB irradiation. To investigate these changes, an in vitro system consisting of r...

journal_title：Experimental dermatology

authors： Hussein MR,Wood GS

更新日期：2003-12-01 00:00:00

abstract：:We have characterized a stereospecific transport mechanism for L-dopa into human epidermal Langerhans cells (LCs). It is different from any other amino acid transport system. It is highly concentrative, largely pH-independent, and independent of exogenous Na+, glucose and oxygen, and fuelled by a renewable intracellul...

journal_title：Experimental dermatology

authors： Falck B,Bendsoe N,Ronquist G

更新日期：2003-10-01 00:00:00

abstract：:Allergen-induced emigration and maturation of dendritic cells (DC) are pivotal steps in sparking off allergic contact dermatitis. In vitro models, reflecting these steps, may provide tools for assessment of sensitizing capacities of putative contact allergens. Here, we evaluated the applicability of such models for a ...

journal_title：Experimental dermatology

authors： Rustemeyer T,Preuss M,von Blomberg BM,Das PK,Scheper RJ

更新日期：2003-10-01 00:00:00

abstract：:We characterized the melanogenic apparatus in a family of transplantable gerbil melanomas (melanotic and amelanotic) using a combination of biophysical, ultrastructural and biochemical methods. Melanotic melanomas produced pure eumelanin but in vesiculo-globular melanosomes ('pheomelanosomes'); the eumelanosomes, char...

journal_title：Experimental dermatology

authors： Plonka PM,Slominski AT,Pajak S,Urbanska K

更新日期：2003-08-01 00:00:00

abstract：:Psoriasis is a chronic skin disease that results in red and scaly lesions. Several psoriasis susceptibility loci have been identified across the genome, of which PSORS1 on 6p21.3 is predominant. There is an ongoing debate regarding whether the HLA-C allele, Cw*0602, can be considered the major predisposing factor in t...

journal_title：Experimental dermatology

authors： Holm SJ,Carlén LM,Mallbris L,Ståhle-Bäckdahl M,O'Brien KP

更新日期：2003-08-01 00:00:00

abstract：:Seasonal variations can be found in almost any parameter of an organism's biochemistry, physiology, endocrinology, and behaviour. This phenomenon, generally called photoperiodism, results from one of the major functions of the circadian system, i.e. the translation of environmental information into rhythmic intraorgan...

journal_title：Experimental dermatology

authors： Lang R,Hintner H,Hermann A,Brandstaetter R

更新日期：2003-08-01 00:00:00

abstract：:Despite the lack of protective melanin and increased oxidative stress due to mM concentrations of epidermal H2O2 in vitiligo, there is no significantly increased risk for chronic actinic damage and non-melanoma skin cancer. Therefore the question arises, which protective mechanisms could be involved in the skin of the...

journal_title：Experimental dermatology

authors： Schallreuter KU,Behrens-Williams S,Khaliq TP,Picksley SM,Peters EM,Marles LK,Westerhof W,Miehe B,Fanghänel J

更新日期：2003-06-01 00:00:00

abstract：:The capacity of adult hair follicle dermal cells to participate in new follicle induction and regeneration, and to elicit responses from diverse epithelial partners, demonstrates a level of developmental promiscuity and influence far exceeding that of interfollicular fibroblasts. We have recently suggested that adult ...

journal_title：Experimental dermatology

authors： Gharzi A,Reynolds AJ,Jahoda CA

更新日期：2003-04-01 00:00:00

abstract：:CD44 is a family of cell-surface receptors on human lymphocytes that act as co-stimulatory molecules leading to the induction of effector functions in T cells. We have analyzed primary cutaneous malignant melanomas with clinical and histologic signs of tumor regression using immunohistochemistry and observed the predo...

journal_title：Experimental dermatology

authors： Weimann TK,Wagner C,Goos M,Wagner SN

更新日期：2003-04-01 00:00:00

abstract：:Chemical haptens induce a variety of allergic immune reactions by induction of hapten-specific T cells. Contact sensitizers such as the hapten trinitrochlorobenzene (TNCB) elicit an allergic response, which is confined to the area of antigen exposure. Despite this localized allergic response, we show here that the tri...

journal_title：Experimental dermatology

authors： Martin S,Delattre V,Leicht C,Weltzien HU,Simon JC

更新日期：2003-02-01 00:00:00

abstract：:Chronic exposure to ultraviolet (UV) radiation alters components of the skin. We previously reported that chronic low-dose UV irradiation induced wrinkle formation but did not significantly alter dermal components of hairless mice. In the present study, we examined whether the epidermal changes by UV irradiation could...

journal_title：Experimental dermatology

authors： Kambayashi H,Odake Y,Takada K,Funasaka Y,Ichihashi M

更新日期：2003-01-01 00:00:00

abstract：:Intraepithelial gammadelta T cells are increased in the inflamed small bowel and are also found in increased numbers in cutaneous lesions from patients with dermatitis herpetiformis (DH). Thus, these cells might play an important role in the pathogenesis of the disease. We investigated the T-cell receptor (TCR) delta ...

journal_title：Experimental dermatology

authors： Holtmeier W,Pfänder M,Zollner TM,Kaufmann R,Caspary WF

更新日期：2002-12-01 00:00:00

abstract：:We have developed a new technique that rapidly and reproducibly allows direct visualization of molecular interactions, including receptor-ligand binding. The technique can be easily applied to examine binding between proteins and glycoproteins, or proteins and glycolipids, including gangliosides. In this novel bead-bi...

journal_title：Experimental dermatology

authors： Irvine AD,Sun P,Kos L,Wang XQ,Paller AS

更新日期：2002-10-01 00:00:00

abstract：:Patch-clamp recordings were carried out in the inside-out configuration in human keratinocytes of the cell line HaCaT. Patch pipettes were filled with 150 mM KCl, 1 mM CaCl(2) and 10 mM HEPES. In symmetrical KCl solutions, single channel currents from a large conductance channel (about 170 pS) were measured. Replaceme...

journal_title：Experimental dermatology

authors： Nguyen VH,Markwardt F

更新日期：2002-08-01 00:00:00

abstract：:For screening of a potential irritant it is essential that an early marker for irritation should be chosen which could be detected before the physiological signs of irritation occur. Interleukin 1 alpha (IL-1alpha) is widely accepted as such a marker in both in vivo and in vitro test systems. In this study, we have de...

journal_title：Experimental dermatology

authors： Gibbs S,Vietsch H,Meier U,Ponec M

更新日期：2002-06-01 00:00:00

abstract：:External assault to the skin is followed by an epidermal response including synthesis of DNA, lipids, cytokines and migration of antigen presenting cells. MIP-3 alpha (CCL20, LARC, Exodus-1, Scya20) is a recently described C-C chemokine, predominantly expressed in extralymphoid tissue, which is known to direct migrati...

journal_title：Experimental dermatology

authors： Schmuth M,Neyer S,Rainer C,Grassegger A,Fritsch P,Romani N,Heufler C

更新日期：2002-04-01 00:00:00

abstract：:The p53 gene is mutated in numerous human cancers. We used it as a molecular target to characterize and try to understand the induction of mutations in human skin cancers. About 40-50% of all skin cancers in normal individuals and 60-80% of the DNA-repair-deficient xeroderma pigmentosum patients exhibit p53 mutations....

journal_title：Experimental dermatology

authors： Sarasin A,Giglia-Mari G

更新日期：2002-01-01 00:00:00

abstract：:T cells play a major role in inflammatory skin disorders such as psoriasis vulgaris and atopic dermatitis. They are both active on the level of cell-to-cell interaction and by the secretion of pro-inflammatory mediators. CD26 is a lymphocyte membrane-associated dipeptidyl peptidase IV (DPP IV), which is able to inacti...

journal_title：Experimental dermatology

authors： Bock O,Kreiselmeyer I,Mrowietz U

更新日期：2001-12-01 00:00:00

abstract：:We have recently demonstrated that telomerase activity is increased and telomere length shortened in lymphocytes from peripheral blood of patients with cutaneous T-cell lymphoma. In order to determine which cell type has increased telomerase activity and shortened telomere length, CD4+, CD8+, CLA+ CD3+ and CLA- CD3+ T...

journal_title：Experimental dermatology

authors： Wu KD,Hansen ER

更新日期：2001-10-01 00:00:00

abstract：:Pseudoxanthoma elasticum (PXE), a systemic heritable connective tissue disorder, is characterized by progressive calcification of elastic structures in the skin, the eyes and the cardiovascular system, with considerable intra- and interfamilial phenotypic variability. Recently, underlying genetic defects have been ide...

journal_title：Experimental dermatology

authors： Ringpfeil F,Pulkkinen L,Uitto J

更新日期：2001-08-01 00:00:00

abstract：:Sunburn cell (SBC) formation in the epidermis is a characteristic consequence of ultraviolet radiation (UVR) exposure at doses around or above the minimum erythema dose. SBC have been identified morphologically and biologically as keratinocytes undergoing apoptosis. There is evidence that SBC formation is a protective...

journal_title：Experimental dermatology

authors： Murphy G,Young AR,Wulf HC,Kulms D,Schwarz T

更新日期：2001-06-01 00:00:00

abstract：:Mastocytosis represents a group of disorders characterized by the proliferation and accumulation of mast cells in tissue. The aim of the present study was to examine whether the interstitial histamine concentration in the skin is increased in mastocytosis patients and whether it correlates with the number of mast cell...

journal_title：Experimental dermatology

authors： Krogstad AL,Roupe G

更新日期：2001-04-01 00:00:00

abstract：:The generation of reactive oxygen species is among the various mechanisms by which ultraviolet radiation damages skin. Tempol, a superoxide dismutase analogue which readily penetrates cell membranes when administered exogenously, has been shown to provide protection against some forms of oxygen-dependent damage. In th...

journal_title：Experimental dermatology

authors： Bernstein EF,Kong SK,Brown DB,Kwak BC,Takeuchi T,Gasparro FP,Uitto J

更新日期：2001-02-01 00:00:00

abstract：:The present study assessed the molecular mechanism underlying ultraviolet (UV) B radiation-induced inhibition of the expression of the adhesion molecule ICAM-1 in human antigen-presenting cells (APC). UVB radiation-induced inhibition of ICAM-I expression in human peripheral blood monocytes was associated with the gene...

journal_title：Experimental dermatology

authors： Grewe M,Stege H,Vink A,Klammer M,Ruzicka T,Roza L,Krutmann J

更新日期：2000-12-01 00:00:00

abstract：:Dermatitis herpetiformis (DH) is a blistering skin disease characterized by cutaneous deposits of IgA and an associated, most often asymptomatic, gluten sensitive enteropathy (GSE). Gluten sensitive enteropathy is also seen in patients that do not have skin disease or cutaneous IgA deposits, but do have significant ga...

journal_title：Experimental dermatology

authors： Hall RP 3rd,Owen S,Smith A,Keough M,Bagheri B,Church P,Streilein R

更新日期：2000-08-01 00:00:00

abstract：:The living, not-cornified part of the epidermis consists mainly of keratinocytes. The control mechanisms of proliferation and differentiation are only partly understood. Similarly, the influence of ionic channels of the cell membrane on the proliferation of keratinocytes remains unclear. Preliminary investigations poi...

journal_title：Experimental dermatology

authors： Wohlrab D,Wohlrab J,Markwardt F

更新日期：2000-06-01 00:00:00

abstract：:Cowden syndrome (CS) is an autosomal dominant inherited disorder characterized by hamartomas in a variety of tissues including the skin, thyroid, breast, endometrium, and the brain. Individuals with CS are predisposed to development of malignancy in these organs, especially the breast and the thyroid. We describe 3 un...

journal_title：Experimental dermatology

authors： Celebi JT,Ping XL,Zhang H,Remington T,Sulica VI,Tsou HC,Peacocke M

更新日期：2000-04-01 00:00:00