Effect of Nickel Sulphate, Potassium Dichromate, Cobalt Nitrate and CadmiumSulphate on Expression of ICAM-1 and HLA-DR Molecules on Cultivated HumanKeratinocytes

Czech version

Authors: A. Lozseková ¹; Kaiser H.-W. ²; T. Danilla ³; J. Buchvald ¹; J. Šimko ⁴
Authors‘ workplace: I. Kožná klinika LF UK a FN, Bratislava, prednosta prof. MUDr. Jozef Buchvald, DrSc. 2Universitäts-Hautklinik, Bonn, prednosta prof. Dr. med. Hans-Wilhelm Kreysel 3Detská kožná klinika DFNsP, Bratislava, prednosta doc. MUDr. Tibor Danilla, CSc. 4II. gynek ¹
Published in: Čes-slov Derm, , 2003, No. 3, p. 105-110
Category:

Overview

The authors tested the capacity of known allergens nickel sulphate, potassium dichromate andcobalt nitrate to induce expression of surface adhesive molecules ICAM-1 and HLA-DR on cultivatedhuman keratinocytes as compared with cytotoxic cadmium sulphate.To test expression of surface molecules they used the method of direct immunofluorescence andimmunoprecipitation. They recorded only a weak irregular expression of ICAM-1 after the action ofnickel sulphate. Potassium dichromate, cobalt nitrate and cadmium sulphate did not induce ICAM-1expression. None of the tested allergens induced expression of the HLA-DR molecule.Conclusion: When using the above methods, assessment of expression of ICAM-1 and HLA-DRmolecules on cultivated human keratinocytes is not a reliable marker for testing the possibleallergizing potential of chemical substances.

Key words:
cultivated human keratinocytes - adhesive surface molecules ICAM-1 - HLA-DR -allergens - testing

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Article was published in

Czech-Slovak Dermatology

2003 Issue 3