Heterogeneous bullous pemphigoid antibodies: detection and characterization by immunoblotting when absent by indirect immunofluorescence. 1989

P Bernard, and L Didierjean, and F Denis, and J H Saurat, and J M Bonnetblanc
Service de Dermatologie, Laboratoire de Bacteriologie-Virologie, CHU Dupuytren, Limoges, France.

We studied sera from 59 patients with bullous pemphigoid (BP) and 25 control subjects (normal volunteers, patients with pemphigus, psoriasis, eczema, or other dermatoses) by western blotting analysis on protein bands from normal human heat-separated epidermis. BP sera reacted with four protein bands that were not detected by control sera: two major bands at 220-240 and 165 kD and two faint bands at 190 and 95 kD. Three of these bands were significantly associated with BP: 220-240 kd (51% of the BP patients; p less than 0.001), 165 kD (49%; p less than 0.001) and 190 kD (20%; p less than 0.05). These results are consistent with a molecular heterogeneity of BP antibodies, because each individual BP serum showed a distinctive pattern of reactivity. Thirty out of the 59 BP sera contained anti-basement membrane zone antibodies demonstrable by indirect immunofluorescence (IIF). All these IIF positive BP sera reacted by immunoblotting with at least one protein band: 23 (77%) with the 220-240-kD band and 21 (70%) with the 165-kD band. Furthermore, 45% of the 29 IIF negative BP sera showed a reactivity with the 220-240-kD band and/or the 165-kD band. These results indicate that western immunoblotting might be a more sensitive method for the detection of circulating BP antibodies than IIF techniques, including IIF on salt split skin.

UI MeSH Term Description Entries
D010391 Pemphigoid, Bullous A chronic and relatively benign subepidermal blistering disease usually of the elderly and without histopathologic acantholysis. Pemphigoid,Bullous Pemphigoid,Pemphigoids
D005069 Evaluation Studies as Topic Works about studies that determine the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. Critique,Evaluation Indexes,Evaluation Methodology,Evaluation Report,Evaluation Research,Methodology, Evaluation,Pre-Post Tests,Qualitative Evaluation,Quantitative Evaluation,Theoretical Effectiveness,Use-Effectiveness,Critiques,Effectiveness, Theoretical,Evaluation Methodologies,Evaluation Reports,Evaluation, Qualitative,Evaluation, Quantitative,Evaluations, Qualitative,Evaluations, Quantitative,Indexes, Evaluation,Methodologies, Evaluation,Pre Post Tests,Pre-Post Test,Qualitative Evaluations,Quantitative Evaluations,Report, Evaluation,Reports, Evaluation,Research, Evaluation,Test, Pre-Post,Tests, Pre-Post,Use Effectiveness
D005455 Fluorescent Antibody Technique Test for tissue antigen using either a direct method, by conjugation of antibody with fluorescent dye (FLUORESCENT ANTIBODY TECHNIQUE, DIRECT) or an indirect method, by formation of antigen-antibody complex which is then labeled with fluorescein-conjugated anti-immunoglobulin antibody (FLUORESCENT ANTIBODY TECHNIQUE, INDIRECT). The tissue is then examined by fluorescence microscopy. Antinuclear Antibody Test, Fluorescent,Coon's Technique,Fluorescent Antinuclear Antibody Test,Fluorescent Protein Tracing,Immunofluorescence Technique,Coon's Technic,Fluorescent Antibody Technic,Immunofluorescence,Immunofluorescence Technic,Antibody Technic, Fluorescent,Antibody Technics, Fluorescent,Antibody Technique, Fluorescent,Antibody Techniques, Fluorescent,Coon Technic,Coon Technique,Coons Technic,Coons Technique,Fluorescent Antibody Technics,Fluorescent Antibody Techniques,Fluorescent Protein Tracings,Immunofluorescence Technics,Immunofluorescence Techniques,Protein Tracing, Fluorescent,Protein Tracings, Fluorescent,Technic, Coon's,Technic, Fluorescent Antibody,Technic, Immunofluorescence,Technics, Fluorescent Antibody,Technics, Immunofluorescence,Technique, Coon's,Technique, Fluorescent Antibody,Technique, Immunofluorescence,Techniques, Fluorescent Antibody,Techniques, Immunofluorescence,Tracing, Fluorescent Protein,Tracings, Fluorescent Protein
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000906 Antibodies Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid series (especially PLASMA CELLS).
D012680 Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) Specificity,Sensitivity,Specificity and Sensitivity
D012872 Skin Diseases, Vesiculobullous Skin diseases characterized by local or general distributions of blisters. They are classified according to the site and mode of blister formation. Lesions can appear spontaneously or be precipitated by infection, trauma, or sunlight. Etiologies include immunologic and genetic factors. (From Scientific American Medicine, 1990) Bullous Skin Diseases,Pustular Dermatosis, Subcorneal,Skin Diseases, Bullous,Skin Diseases, Vesicular,Sneddon-Wilkinson Disease,Subcorneal Pustular Dermatosis,Vesicular Skin Diseases,Vesiculobullous Skin Diseases,Bullous Dermatoses,Vesiculobullous Dermatoses,Bullous Skin Disease,Dermatoses, Bullous,Dermatoses, Subcorneal Pustular,Dermatoses, Vesiculobullous,Dermatosis, Subcorneal Pustular,Pustular Dermatoses, Subcorneal,Skin Disease, Bullous,Skin Disease, Vesicular,Skin Disease, Vesiculobullous,Sneddon Wilkinson Disease,Subcorneal Pustular Dermatoses,Vesicular Skin Disease,Vesiculobullous Skin Disease
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings

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