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The motility of lung lymphocytes in hypersensitivity pneumonitis and sarcoidosis. 1994

M Ohtsuka, and Y Yoshizawa, and T Naitou, and H Yano, and T Sato, and S Hasegawa
Department of Internal Medicine, University of Tsukuba, Ibaraki, Japan.

Lymphocytes obtained by bronchoalveolar lavage (BAL) in hypersensitivity pneumonitis (HP) and pulmonary sarcoidosis (PS) are believed to be derived from interstitial inflammatory lesions of the lung in which lymphocytes have migrated from the blood. Because cellular motility is one of the important factors in lymphocyte migration, we investigated the motility of BAL lymphocytes from 12 patients with HP and 12 with PS, as well as their responsiveness to chemoattractants in vitro by modified Boyden chamber method. Motility was evaluated by the number of migrated cells and the migration distance. The numbers of migrated BAL lymphocytes from patients with HP and PS in albumin-containing medium were 318.3 +/- 93.0 (mean +/- SD) and 207.6 +/- 35.5, respectively, and were greater than those of BAL lymphocytes from normal control subjects (133.3 +/- 40.9) and blood lymphocytes, and comparable with those of mitogen-activated blood lymphocytes. The motility of BAL lymphocytes in these diseases compared with blood lymphocytes was also increased in protein-free medium. In addition, the culture supernatants of alveolar macrophages (AM) enhanced the motility of BAL, mitogen-activated, and blood lymphocytes. These results suggest that BAL lymphocytes in these diseases are functionally motile, and their enhanced motility, as well as mediators from AM, may facilitate the accumulation of lymphocytes at the epithelial surface.

UI MeSH Term Description Entries
D008168 Lung Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood. Lungs
D008213 Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D008214 Lymphocytes White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D010835 Phytohemagglutinins Mucoproteins isolated from the kidney bean (Phaseolus vulgaris); some of them are mitogenic to lymphocytes, others agglutinate all or certain types of erythrocytes or lymphocytes. They are used mainly in the study of immune mechanisms and in cell culture. Kidney Bean Lectin,Kidney Bean Lectins,Lectins, Kidney Bean,Phaseolus vulgaris Lectin,Phaseolus vulgaris Lectins,Phytohemagglutinin,Hemagglutinins, Plant,Lectin, Kidney Bean,Lectin, Phaseolus vulgaris,Lectins, Phaseolus vulgaris,Plant Hemagglutinins
D001992 Bronchoalveolar Lavage Fluid Washing liquid obtained from irrigation of the lung, including the BRONCHI and the PULMONARY ALVEOLI. It is generally used to assess biochemical, inflammatory, or infection status of the lung. Alveolar Lavage Fluid,Bronchial Lavage Fluid,Lung Lavage Fluid,Bronchial Alveolar Lavage Fluid,Lavage Fluid, Bronchial,Lavage Fluid, Lung,Pulmonary Lavage Fluid,Alveolar Lavage Fluids,Bronchial Lavage Fluids,Bronchoalveolar Lavage Fluids,Lavage Fluid, Alveolar,Lavage Fluid, Bronchoalveolar,Lavage Fluid, Pulmonary,Lavage Fluids, Alveolar,Lavage Fluids, Bronchial,Lavage Fluids, Bronchoalveolar,Lavage Fluids, Lung,Lavage Fluids, Pulmonary,Lung Lavage Fluids,Pulmonary Lavage Fluids
D002465 Cell Movement The movement of cells from one location to another. Distinguish from CYTOKINESIS which is the process of dividing the CYTOPLASM of a cell. Cell Migration,Locomotion, Cell,Migration, Cell,Motility, Cell,Movement, Cell,Cell Locomotion,Cell Motility,Cell Movements,Movements, Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000542 Alveolitis, Extrinsic Allergic A common interstitial lung disease caused by hypersensitivity reactions of PULMONARY ALVEOLI after inhalation of and sensitization to environmental antigens of microbial, animal, or chemical sources. The disease is characterized by lymphocytic alveolitis and granulomatous pneumonitis. Allergic Alveolitis, Extrinsic,Hypersensitivity Pneumonitis,Pneumonitis, Hypersensitivity,Allergic Alveolitides, Extrinsic,Alveolitides, Extrinsic Allergic,Extrinsic Allergic Alveolitides,Extrinsic Allergic Alveolitis,Hypersensitivity Pneumonitides,Pneumonitides, Hypersensitivity
D016676 Macrophages, Alveolar Round, granular, mononuclear phagocytes found in the alveoli of the lungs. They ingest small inhaled particles resulting in degradation and presentation of the antigen to immunocompetent cells. Alveolar Macrophages,Macrophages, Pulmonary,Pulmonary Macrophages,Macrophage, Pulmonary,Pulmonary Macrophage,Alveolar Macrophage,Macrophage, Alveolar
D017565 Sarcoidosis, Pulmonary Sarcoidosis affecting predominantly the lungs, the site most frequently involved and most commonly causing morbidity and mortality in sarcoidosis. Pulmonary sarcoidosis is characterized by sharply circumscribed granulomas in the alveolar, bronchial, and vascular walls, composed of tightly packed cells derived from the mononuclear phagocyte system. The clinical symptoms when present are dyspnea upon exertion, nonproductive cough, and wheezing. (Cecil Textbook of Medicine, 19th ed, p431) Pulmonary Sarcoidosis,Pulmonary Sarcoidoses,Sarcoidoses, Pulmonary

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