Monoclonal antibodies directed against human airway secretions. Localization and characterization of antigens

Cellular mechanisms of normal airway mucus secretion and their alterations in chronic obstructive lung disease are poorly understood. To aid in their study, the authors have produced a panel of monoclonal antibodies directed against various constituents of human airway secretions. Two fusions yielde...

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Bibliographic Details
Published inThe American journal of pathology Vol. 131; no. 2; pp. 290 - 297
Main Authors Finkbeiner, WE, Basbaum, CB
Format Journal Article
LanguageEnglish
Published Bethesda, MD ASIP 01.05.1988
American Society for Investigative Pathology
Subjects
Antibodies, Monoclonal
Antigens - analysis
Biological and medical sciences
Chromatography, Gel
Chronic obstructive pulmonary disease, asthma
Electrophoresis, Polyacrylamide Gel
Enzyme-Linked Immunosorbent Assay
Humans
Lung Diseases, Obstructive - pathology
Medical sciences
Mucus - cytology
Pneumology
Radioimmunoassay
Trachea - cytology
Trachea - pathology
Antigen
Human
Chronic
Immunological investigation
Monoclonal antibody
Obstructive pulmonary disease
Trachea
Immunological method
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Summary:Cellular mechanisms of normal airway mucus secretion and their alterations in chronic obstructive lung disease are poorly understood. To aid in their study, the authors have produced a panel of monoclonal antibodies directed against various constituents of human airway secretions. Two fusions yielded 401 hybridoma-containing cultures. Supernatants from 150 of these cultures stained human tracheal secretory cells by immunofluorescence. Twenty-nine hybridomas were selected for expansion because they selectively stained a single cell type or displayed another interesting distribution. Antigens were further characterized by their localization in glycol methacrylate sections of human trachea, sensitivity to periodate oxidations, selective affinity for fraction peaks obtained by Sepharose 4B chromatography, and reactivity with molecules of various sizes, as estimated by SDS-PAGE. These antibodies will be useful for 1) quantitative detection of antigens in sputum or lavage samples by immunoassay and 2) purification and biochemical characterization of molecular constituents of airway secretions in health and disease.
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ISSN:0002-9440
1525-2191