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Production of an interleukin-1 inhibitory factor by human alveolar macrophages from normals and allergic asthmatic patients. 1988

P Gosset, and P Lassalle, and A B Tonnel, and J P Dessaint, and B Wallaert, and L Prin, and J Pestel, and A Capron
Centre d'Immunologie et de Biologie Parasitaire Unité Mixte INSERM U167-CNRS, 642 Institut Pasteur, France.

In order to study the possible role of alveolar macrophages (AMs) in the development of local immune responses, we compared interleukin-1 (IL-1) production by peripheral blood monocytes and AMs from 17 allergic asthmatics and 32 controls. When stimulated by lipopolysaccharide, alveolar macrophages and blood monocytes from controls released IL-1 (127 +/- 74.6 and 178.8 +/- 120 IL-1 units/ml, respectively) in the same amounts as AMs and blood monocytes from allergic asthmatics (148 +/- 47.5 and 160.5 +/- 78.3 IL-1 units/ml, respectively). After stimulation by anti-IgE or the specific allergen, asthmatic blood monocytes released IL-1-like activity (71.8 +/- 46.4 and 45.4 +/- 25.9 IL-1 units/ml, respectively). In contrast, asthmatic AM supernatants contained no detectable IL-1-like activity after stimulation by allergen or anti-IgE. The same pattern was observed with monocytes and AMs from controls after passive cell sensitization with 20% of IgE-rich serum. In a second step, the effect of supernatants of IgE-dependent stimulated AMs was tested on thymocyte proliferation induced by a purified IL-1, permitting the demonstration of an IL-1 inhibitory factor released by the AMs while these supernatants didn't modify the IL-2-dependent proliferation of a CTL-L line. The use of indomethacin and assessment of PGE2 levels in AM supernatants made it possible to discard the role of prostaglandins in this inhibitory effect. Moreover this activity, which is resistant to heat and trypsin treatment, has a molecular mass between 40 and 50 kD and did not correspond to serum proteases, alpha-1-antiproteinase, and arginase.(ABSTRACT TRUNCATED AT 250 WORDS)

UI MeSH Term Description Entries
D006967 Hypersensitivity Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen. Allergy,Allergic Reaction,Allergic Reactions,Allergies,Hypersensitivities,Reaction, Allergic,Reactions, Allergic
D007073 Immunoglobulin E An immunoglobulin associated with MAST CELLS. Overexpression has been associated with allergic hypersensitivity (HYPERSENSITIVITY, IMMEDIATE). IgE
D007375 Interleukin-1 A soluble factor produced by MONOCYTES; MACROPHAGES, and other cells which activates T-lymphocytes and potentiates their response to mitogens or antigens. Interleukin-1 is a general term refers to either of the two distinct proteins, INTERLEUKIN-1ALPHA and INTERLEUKIN-1BETA. The biological effects of IL-1 include the ability to replace macrophage requirements for T-cell activation. IL-1,Lymphocyte-Activating Factor,Epidermal Cell Derived Thymocyte-Activating Factor,Interleukin I,Macrophage Cell Factor,T Helper Factor,Epidermal Cell Derived Thymocyte Activating Factor,Interleukin 1,Lymphocyte Activating Factor
D008222 Lymphokines Soluble protein factors generated by activated lymphocytes that affect other cells, primarily those involved in cellular immunity. Lymphocyte Mediators,Mediators, Lymphocyte
D008264 Macrophages The relatively long-lived phagocytic cell of mammalian tissues that are derived from blood MONOCYTES. Main types are PERITONEAL MACROPHAGES; ALVEOLAR MACROPHAGES; HISTIOCYTES; KUPFFER CELLS of the liver; and OSTEOCLASTS. They may further differentiate within chronic inflammatory lesions to EPITHELIOID CELLS or may fuse to form FOREIGN BODY GIANT CELLS or LANGHANS GIANT CELLS. (from The Dictionary of Cell Biology, Lackie and Dow, 3rd ed.) Bone Marrow-Derived Macrophages,Monocyte-Derived Macrophages,Macrophage,Macrophages, Monocyte-Derived,Bone Marrow Derived Macrophages,Bone Marrow-Derived Macrophage,Macrophage, Bone Marrow-Derived,Macrophage, Monocyte-Derived,Macrophages, Bone Marrow-Derived,Macrophages, Monocyte Derived,Monocyte Derived Macrophages,Monocyte-Derived Macrophage
D008297 Male Males
D009000 Monocytes Large, phagocytic mononuclear leukocytes produced in the vertebrate BONE MARROW and released into the BLOOD; contain a large, oval or somewhat indented nucleus surrounded by voluminous cytoplasm and numerous organelles. Monocyte
D011650 Pulmonary Alveoli Small polyhedral outpouchings along the walls of the alveolar sacs, alveolar ducts and terminal bronchioles through the walls of which gas exchange between alveolar air and pulmonary capillary blood takes place. Alveoli, Pulmonary,Alveolus, Pulmonary,Pulmonary Alveolus
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D005260 Female Females

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