Antigenic Determinants of Bovine Serum Albumin
Copyright policy )Antigenic Determinants of Bovine Serum Albumin
<i>Background:</i> Bovine serum albumin (BSA) is one of the most widely studied proteins; its structure is well known and its antigenic characteristics have been described in several papers. The aim of this research was the identification of the BSA antigenic determinants. <i>Methods:</i> This study was performed using limited proteolysis and an immunoblotting technique, in which a commercial murine antibody and sera from children sensitized to BSA were used. <i>Results:</i> Findings suggest amino acids (aa) 524–598 as an epitopic area for human species. The most critical sequence seems to be aa 524–542, even if it must be included in a longer fragment to be recognized by antibodies. Murine IgG antibodies also recognize fragments contained in the first half (NH<sub>2</sub>-terminal portion) of BSA. <i>Conclusions:</i> The results presented in this study indicate that the epitopic sites of an antigenic protein can be different when different species are considered, so that data obtained with antibodies from animal species cannot be directly extrapolated to the behavior of human IgEs.
- National Research Council Italy
- University of Milan Italy
- National Research Council Sri Lanka
Male, Meat, Molecular Sequence Data, preschool child, sensitization, Bovine serum albumin; Epitopes; Food allergy; Immunochemistry, immunoglobulin E, immunoglobulin G, Epitopes, Mice, male, antibody, bovine serum albumin, Animals, Humans, controlled study, human, Amino Acid Sequence, Preschool, Child, Serum Albumin, epitope, clinical article, food allergy, species difference, article, Serum Albumin, Bovine, Bovine, structure analysis, Peptide Fragments, amino acid sequence, antigen recognition, female, amine, priority journal, protein analysis, Child, Preschool, Immunoglobulin G, protein degradation, Cattle, Female, immunoblotting, serum, amino acid, Food Hypersensitivity
Male, Meat, Molecular Sequence Data, preschool child, sensitization, Bovine serum albumin; Epitopes; Food allergy; Immunochemistry, immunoglobulin E, immunoglobulin G, Epitopes, Mice, male, antibody, bovine serum albumin, Animals, Humans, controlled study, human, Amino Acid Sequence, Preschool, Child, Serum Albumin, epitope, clinical article, food allergy, species difference, article, Serum Albumin, Bovine, Bovine, structure analysis, Peptide Fragments, amino acid sequence, antigen recognition, female, amine, priority journal, protein analysis, Child, Preschool, Immunoglobulin G, protein degradation, Cattle, Female, immunoblotting, serum, amino acid, Food Hypersensitivity
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