[en] The skin biopsies of eight epidermolysis bullosa (EB) patients, representing epidermolytic, junctional and dermolytic forms of the disease were studied immunohistochemically using antibodies against collagen Types IV and V, and a proteoglycan. All these molecules are either basement membrane components or closely associated substances. In two types of EB simplex (subtype of the epidermolytic form) the splicing took place above the basement membrane, whereas the staining with all three antibodies remained localized to the floor of the blister. The herpetiform variant of EB simplex proved to be junctional, i.e. the separation occurred within the lamina lucida. One patient clinically classified as belonging to the junctional EB group, was found to have the epidermolytic form of the disease. In this case all antibodies were localized only on the floor of the blister. In the patients with the dermolytic form of EB, all the antibodies stained the roof of the blister. The immunofluorescence techniques are rapid and easy to perform and are therefore proposed as useful for routine clinical diagnosis.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Kero, M.
Peltonen, L.
Foidart, Jean-Michel ; Université de Liège - ULiège > Département des sciences cliniques > Gynécologie - Obstétrique - Labo de biologie des tumeurs et du développement
Salvolainen, E. R.
Language :
English
Title :
Immunohistological localization of three basement membrane components in various forms of epidermolysis bullosa.
Publication date :
1982
Journal title :
Journal of Cutaneous Pathology
ISSN :
0303-6987
eISSN :
1600-0560
Publisher :
Munksgaard International Publishers, Copenhagen, Denmark
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