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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 271 (1981), S. 189-196 
    ISSN: 1432-069X
    Keywords: Risk factors ; 13-cis retinoic acid ; Acne ; Serum lipids ; Risikofaktoren ; 13-cis-Retinsäure ; Akne ; Serumlipide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Patienten mit Acne conglobata wurden 12 Wochen lang mit 1 mg/kg/Tag 13-cis-Retinsäure per os behandelt. Anschließend wurde die Dosis bei fünf Patienten auf 20% reduziert, bei den anderen fünf das Medikament abgesetzt. Bestimmungen des Serum-Triglycerid-und Cholesterinspiegels erfolgten zu Beginn, während und nach der Therapie. Pathologische Werte von Triglyceriden und Cholesterin wiesen während der Therapie zwei Patienten auf, einer zeigte Triglyceriderhöhung allein und bei drei weiteren war ein Anstieg des Cholesterins nachweisbar. Die pathologischen Erhöhungen gigen 14 Tage nach Absetzen des Medikamentes bzw. Reduktion der Dosis in den Normalbereich zurück. Gelegentlich kam es zur Normalisierung der Werte trotz Fortsetzung der initialen Retinoid-Dosis. Nur bei zwei Patienten persistierte die Erhöhung über einen längeren Zeitraum. Risikofaktoren wie Alkoholabusus, Adipositas, Rauchen, Hyperlipidämie in der Familie sowie abnorme Ausgangswerte ließen sich bei allen Patienten mit pathologischen Erhöhungen der Blutlipide zuordnen. Im Gegensatz zu den individuellen Erhöhungen der Blutfette blieben die mittleren Werte im Kollektiv innerhalb der Norm. Offenbar begünstigen diese individuellen Risikofaktoren die Lipiderhöhungen im Serum unter 13-cis-Retinsäure und müssen daher bei der Indikationsstellung zur oralen Therapie mit Isotretinoin berücksichtigt werden.
    Notes: Summary Ten patients with conglobate acne were orally treated with 13-cis retinoic acid (1 mg/kg/day). After completion of a 12-week treatment, five patients were further given 20% of the initial dose, whereas drug administration was discontinued in the other five patients. Serum triglyceride and cholesterol levels were determined before, during, and after therapy. Two of ten treated patients revealed abnormal serum triglyceride and cholesterol levels; triglycerides alone were pathologically increased in one patient, and abnormal cholesterol values alone could be found in three others. These changes reversed upon cessation of treatment or reduction of the administered dose. In some instances pathologic values returned to normal despite further administration of the initial 13-cis retinoic acid dosage. Only in two patients abnormal triglyceride and cholesterol levels persisted for more than 2 weeks after treatment was discontinued. Risk factors, such as alcohol abuse, obesity, smoking, hyperlipemia in the family history or pretreatment values at the upper normal range were present in all patients with pathologic elevations of serum lipids during treatment. In contrast to the individual elevations the mean values of both triglyceride and cholesterol levels remained within normal limits. We suggest that individual risk factors most likely promote serum lipid abnormalities under 13-cis retinoic acid and would be therefore carefully considered in patients to be treated with this drug.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK; Malden, USA : Munksgaard International Publishers
    Experimental dermatology 14 (2005), S. 0 
    ISSN: 1600-0625
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 9 (1982), S. 0 
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This is a report of a case of a 12-year-old boy with an asymptomatic papular eruption present since birth, which showed the histological features of a hamartomatous proliferation of cutaneous smooth muscle cells, most likely of the arrectores pilorum muscles. The present paper describes the fine structure of this condition, for which the term “cutaneous smooth muscle hamartoma” is suggested.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 6 (1979), S. 0 
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Multiple malignant Spiegler tumors were observed on the scalp of a 67-year-old female patient with brachydactyly and racket-nails affecting all fingers of both hands. The occurrence of similar clinical features in the family of the patient is suggestive of a hereditary disorder. The light and electron microscopical findings are described.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 2 (1975), S. 0 
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Drugs and metastatic malignant tumors may induce severe alterations in cutaneous axons. The most prominent ultrastructural feature of axonal dystrophy of this type was the presence of multiple lamellated osmiophilic bodies (LOB), similar to those occurring in hereditary disorders with increase of brain gangliosides and lipid storage. Chloroquine, ergotamine, ethaverine and chronic abuse of non-narcotic analgesic drugs seem to be responsible for the drug-induced cutaneous neuro-phospholipidosis, whereas the same condition was found in two patients with metastatic bronchogenic carcinoma and malignant melanoma.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1600-0625
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: In contrast to extracellular, long chain ceramides which comprise a structural component of the epidermal water barrier, intracellular ceramides originating from sphingomyelin hydrolysis have been shown to inhibit proliferation and to induce apoptosis in different cell populations. To further elucidate the possible role of intracellular ceramides in human epidermis, two new cell-permeable ceramide analogues, N-thioacetylsphingosine (C2-Cer=S) and 4-dodecanoylamino-decan-5-ol (FS-5), were synthesized and tested for their ability to suppress cell growth and to induce apoptosis in immortalized human keratinocytes. It was shown that the well-investigated ceramide analogue N-acetylsphingosine (C2-Cer=O), as well as the new compound C2-Cer=S inhibited proliferation of HaCaT cells with half-inhibitory concentrations (IC50) of 20 μg/ml and 10 μg/ml, respectively, whereas FS-5 has been potent with an IC50〉40 μg/ml. Overall, all three ceramide analogues induced apoptosis in HaCaT cells as assessed by DNA-fragmentation using ELISA technique and in situ nick end labelling, thereby confirming the importance of ceramide signalling in keratinocytes.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 104 (1981), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 96 (1977), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 134 (1996), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary Structural hair changes may be the expression of a genetic disorder affecting hair growth, part of a congenital syndrome with accompanying hair malformations, or a marker for an underlying metabolic disorder. We report a 22-month-old Turkish girl and her 10-month-old brother, whose scalp hair became fragile and sparse at about 6-7 months of age. Glucosuria. without diabetes or kidney disease, was detected 3-4 months later. Clinical examination revealed normal physical and mental development, and an analysis of plucked hairs showed dysplastic and broken hair shafts. Polarizing microscopy and scanning electron microscopic studies revealed torsion, and irregularities and impressions of the hair shaft, as seen in pilitorti. trichorrhexis nodosa and pseudomonilethrix. Analysis of the amino-acid composition of the hair demonstrated a significant reduction of sulphonic cysteic acid and an elevated cysteine and lanthionine content in the girl, and elevated lanthionine levels in her brother. Electrophoretic analysis of the girl's hair proteins revealed a normal composition but a high extractability of hair proteins.The triad of hypotrichosis structural hair-shaft defects and abnormal amino-acid composition, accompanied by glucosuria without diabetes, may represent a new genetic syndrome.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 124 (1991), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 72-year-old male patient from north-eastern Iran developed the typical clinical and histopathological features of mycosis fungoides with lymphadenopathy, but without any other systemic involvement. Human T-cell lymphotropic virus (HTLV-I) antibodies were detected in the patient's serum by two different ELISAs and by Western blot using purified viral particles from MT-2 culture supernatants. Cultured peripheral blood lymphocytes were positive for labelling with anti-HTLV-I serum. Southern blot hybridization of DNA extracted from a skin tumour and from an involved lymph node revealed integrated proviral DNA with identical restriction patterns. This case supports a relationship between mycosis fungoides and HTLV-I and may indicate a new region of endemic HTLV-I infection.
    Type of Medium: Electronic Resource
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