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  • 1
    Electronic Resource
    Electronic Resource
    Reply (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 39 (1998), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1998.tb05831.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Patch testing with low concentrations of budesonide detects contact allergy (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 37 (1997), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1997.tb02448.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The significance of previous allergic contact dermatitis for elicitation of delayed hypersensitivity to nickel (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 37 (1997), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Several factors, such as amount of allergen, vehicle, anatomic site, immunologic status and previous eczema, may influence delayed hypersensitivity reactions. In an extended model, we have studied the significance of previous allergic contact dermatitis for elicitation of delayed hypersensitivity to nickel in 25 nickel-allergic females. On 3 occasions, 8, 4 and 1 months before the final challenge patch testing, an experimental allergic contact dermatitis from nickel was induced on the lower back. At the challenge patch testing, 4 identical dilution series of nickel were tested on 4 areas on the lower back 3 with previous but healed dermatitis and I control area. The tests were read in a blind way. A significantly higher test reactivity was found at the areas with a previous allergic contact dermatitis, the shorter the time interval between the previous provocation and the challenge, the stronger the reaction. These results may be of importance for the understanding of factors contributing to chronicity of allergic contact dermatitis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1997.tb00312.x
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  • 4
    Electronic Resource
    Electronic Resource
    Contact allergy to epoxy resin based on diglycidyl ether of bisphenol F (2001)
    Copenhagen : Blackwell Publishing Ltd
    Contact dermatitis 44 (2001), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0536.2001.4402092.x
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  • 5
    Electronic Resource
    Electronic Resource
    Gold – a controversial sensitizer (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 40 (1999), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Until recently, gold allergy was considered to be extremely rare. Gold has been used and worshipped for thousands of years without any obvious complaints of skin problems, either in those participating in mining and other ways of prospecting, or in those wearing jewellery. When studies on contact allergy to gold sodium thiosulfate were published at the beginning of the 1990s, the allergic nature of the reported positive patch test reactions to gold was questioned. The major argument for such questioning was the lack of demonstrable clinical relevance in most positive reactors. A major reason for the questioning may have been confusion in differentiating between contact allergy and allergic contact dermatitis. To arrive at a diagnosis of allergic contact dermatitis, 3 steps have, in principle, to be fulfilled: (i) establishment of contact allergy; (ii) demonstration of present exposure; (iii) assessment of clinical relevance, i.e., causing or aggravating a contact dermatitis. In this paper, these steps are discussed with regard to gold. With our present knowledge of contact allergy – allergic contact dermatitis, we do not recommend including gold sodium thiosulfate in the standard series. It should be applied for scientific purposes and when allergic contact dermatitis from gold is suspected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1999.tb06079.x
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  • 6
    Electronic Resource
    Electronic Resource
    Contact allergy to corticosteroids in asthma/rhinitis patients (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 40 (1999), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Patients with asthma and/or rhinitis, when using inhalers or nasal sprays containing corticosteroids, may experience mucosal symptoms, such as congestion of the nose, itching, nose bleeding and worsening of rhinitis, but also eczema of the face sometimes spreading to flexures, and sometimes the corticosteroid simply does not help. Few patients with such symptoms have been found to be allergic to their inhaled corticosteroids (1), and no report on whether contact allergy to corticosteroids could explain treatment failures is available. This issue was investigated in 2 ways: (i) by testing asthma/rhinitis patients for corticosteroid allergy, (ii) by looking at the prevalence of tixocortol pivalate allergy among dermatitis patients with and without asthma/rhinitis, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1999.tb06086.x
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  • 7
    Electronic Resource
    Electronic Resource
    Can glutathione-containing emollients inactivate methylchloroisothiazolinone/methylisothiazolinone? (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 38 (1998), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Many persons are exposed to preservatives/biocides based on methylchloroisothiazolinone/methylisothiazolinone (MCI/MI), since toiletries and cosmetics, as well as products/water-based systems used occupationally, may all contain MCI/MI. In toiletries and cosmetics, the MCI/MI concentration is often below 15 ppm (0.0015%). In some industries, workers handle high concentrations of MCI/MI, which can cause chemical burns and induce sensitization if skin is exposed. Contact allergy to MCI/MI is common and reports on chemical burns have been published. Thus, there is a need for prevention of skin diseases caused by MCI/MI. The inactivation of MCI/MI by glutathione (GSH) in emollients, containing different amounts of lipids, was studied by HPLC. Various amounts of GSH were added to Fenuril®, Essex®, and Locobase®, giving 3 preparations of each emollient containing 0.10%, 0.50% and 2.0% GSH, respectively. The inactivation of 15 ppm MCI/MI and the total inactivating capacity of GSH in these preparations, kept at room temperature and refrigerated, was studied over a period of 6 months. The inactivating capacity of GSH in the emollients was almost equivalent, regardless of the lipid contents of the emollients, type of storage and age. On the other hand, the GSH concentration in the emollients had a crucial importance on the inactivation of MCI/MI. Emollients containing 2% GSH were capable of inactivating up to 2400 ppm MCI/MI.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1998.tb05740.x
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  • 8
    Electronic Resource
    Electronic Resource
    Mechanism of the antigen formation of carvone and related α, β-unsaturated ketones (2001)
    Copenhagen : Munksgaard International Publishers
    Contact dermatitis 44 (2001), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In the present study, the mechanism for the antigen formation of α, β-unsaturated ketones was investigated. A series of analogues of carvone ((5R)-5-isopropenyl-2-methyl-2-cyclohexenone) with altered chemical reactivity and with retained overall structure or with retained reactivity and altered three-dimensional structure were synthesized. These analogues were tested for cross-reactivity in carvone-sensitized animals. Cross-reactivity was observed for analogue 3 ((5R)-5-isopropyl-2-methyl-2-cyclohexen-1-one). No cross-reactions were observed for analogues 1 ((2R,5R)-5-isopropenyl-2-methyl cyclohexanone) and 4 ((5R)-2,3-dimethyl-5-isopropenyl-2-cyclohexene-1-one). Both those compounds also failed to induce sensitization. These findings demonstrate that α, β-unsaturated ketones form antigens after a nucleophilic attack at the β-carbon with soft nucleophiles such as thiol in cysteine and not with the formation of a Schiff’s base after a nucleophilic attack at the carbonyl carbon with nitrogen nucleophiles. Furthermore, no cross-reactivity was observed between R- and S-carvone indicating the importance of the 3-dimensional structure of haptens (and antigens) in T-cell recognition. The analogues were also tested for cross-reactivity on patients allergic to carvone. The results from the animal study were confirmed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0536.2001.044006347.x
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  • 9
    Electronic Resource
    Electronic Resource
    Cross-reaction patterns in patients with contact allergy to simple methylol phenols (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 37 (1997), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The low-molecular-weight phenols 2-methylol phenol (2-MP), 4-methylol phenol (4-MP), 2,4,6-trimethylol phenol (2,4,6-MP), 3-methylol phenol (3-MP), 2,4-dimethylol phenol (2,4-MP), and 2,6-dimethylol phenol (2,6-MP) are contact sensitizers in resins leased on phenol and formaldehyde (P-F-R). Other chemically related low-molecular-weight phenols are common in the environment. In patients hypersensitive to P-F-R and MPs, it is for diagnostic, therapeutic and preventive reasons necessary to know their cross-reaction patterns, which this study was therefore designed to investigate. In patients with contact allergy to a P-F-R and at least 1 MP, additional patch testing was performed with 6 MPs and 13 chemically related compounds. The 19 substances were tested at equimolar concentrations and in serial dilutions. Investigations by high-performance liquid chromatography were carried out to exclude contamination as the cause of the patch test reactions. Probable cross-reacting substances were o-cresol, p-cresol, salicylaldehyde, 2.4-dimethyl phenol, and 2.6-dimetrwl phenol.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1997.tb00044.x
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  • 10
    Electronic Resource
    Electronic Resource
    An epidemic of occupational contact dermatitis from an immersion oil for microscopy in laboratory personnel (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 40 (1999), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Since November 1997, 14 successive cases of occupational contact dermatitis were observed in 13 laboratory technicians and 1 physician, working in a genetics laboratory in Leuven (Belgium) in 3 laboratories of bacteriology in Strasbourg, Montbéliard and Angers, and in the laboratory of hematology in Bordeaux (France). The dermatitis, located on the hands, forearms and face, relapsed after each exposure to an immersion oil for microscopy. Patch tests performed in 10 patients were positive to epoxy resin (ER) in the European standard series (10/10 patients) and to newly formulated Leica® immersion oil (7/7), 1 patient testing negatively with the former oil. A breakdown performed in 2 patients with the oil's ingredients confirmed sensitization to liquid modified ER components, contained at 〉80% concentration in the oil. The presence of DGEBA was demonstrated by HPLC analysis at a ±30% rate. Although the safety data sheet indicated a revision of the formula, nobody was alerted to the risk of sensitization and the need for skin protection. ERs, as a source of occupational allergy, can provoke epidemics of contact dermatitis in industry. This report of epidemic contact dermatitis from ERs, used for their optical properties in an immersion oil for microscopy, emphasizes the need for perpetual vigilance in occupational medicine and the usefulness of multicentre contacts in dermato-allergology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1999.tb05995.x
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