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Macrophages as origin of factor increasing monocytopoiesis.
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Zeitschriftentitel: | The Journal of experimental medicine |
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Personen und Körperschaften: | , , , , , |
In: | The Journal of experimental medicine, 166, 1987, 4, S. 909-922 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Rockefeller University Press
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Schlagwörter: |
author_facet |
Sluiter, W Hulsing-Hesselink, E Elzenga-Claasen, I van Hemsbergen-Oomens, L W van der Voort van der Kleij-van Andel, A van Furth, R Sluiter, W Hulsing-Hesselink, E Elzenga-Claasen, I van Hemsbergen-Oomens, L W van der Voort van der Kleij-van Andel, A van Furth, R |
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author |
Sluiter, W Hulsing-Hesselink, E Elzenga-Claasen, I van Hemsbergen-Oomens, L W van der Voort van der Kleij-van Andel, A van Furth, R |
spellingShingle |
Sluiter, W Hulsing-Hesselink, E Elzenga-Claasen, I van Hemsbergen-Oomens, L W van der Voort van der Kleij-van Andel, A van Furth, R The Journal of experimental medicine Macrophages as origin of factor increasing monocytopoiesis. Immunology Immunology and Allergy |
author_sort |
sluiter, w |
spelling |
Sluiter, W Hulsing-Hesselink, E Elzenga-Claasen, I van Hemsbergen-Oomens, L W van der Voort van der Kleij-van Andel, A van Furth, R 0022-1007 1540-9538 Rockefeller University Press Immunology Immunology and Allergy http://dx.doi.org/10.1084/jem.166.4.909 <jats:p>Earlier investigations had indicated that the factor increasing monocytopoiesis (FIM), present in the serum of mice and rabbits during the onset of an inflammatory response, is released by cells of the inflammatory exudate. The present study was performed to determine which cells produce and secrete this factor and to establish the kinetics of its production and secretion. FIM was assayed in vivo by intravenous injection of samples into untreated mice and monitoring the course of the number of blood monocytes in the recipients. FIM was assayed in vitro by adding samples to cultures of the macrophage cell line PU5 and determining the rate of proliferation of the cells. The results show that only macrophages contain and synthesize FIM. This factor is secreted upon exposure to a phagocytic stimulus, and after the release of preformed FIM, macrophages secrete newly synthesized FIM. Granulocytes and lymphocytes neither contain nor secrete FIM. The characteristics of FIM derived from macrophages are in all aspects similar to those of FIM in serum. Macrophage-derived FIM is a protein with a molecular weight between 10 and 25 X 10(3), its activity is cell-lineage specific and dose dependent, and it stimulates monocyte production in the bone marrow. Macrophage-derived FIM is not identical to either CSF-1 or IL-1, and has no chemotactic activity. Taken together, the present results show that FIM occurring in serum during an inflammatory response originates from macrophages at the site of the inflammation. In this way the macrophages themselves regulate the supply of circulating blood monocytes that can migrate to the site of injury when needed.</jats:p> Macrophages as origin of factor increasing monocytopoiesis. The Journal of experimental medicine |
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10.1084/jem.166.4.909 |
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Rockefeller University Press, 1987 |
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1987 |
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Rockefeller University Press |
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The Journal of experimental medicine |
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title |
Macrophages as origin of factor increasing monocytopoiesis. |
title_unstemmed |
Macrophages as origin of factor increasing monocytopoiesis. |
title_full |
Macrophages as origin of factor increasing monocytopoiesis. |
title_fullStr |
Macrophages as origin of factor increasing monocytopoiesis. |
title_full_unstemmed |
Macrophages as origin of factor increasing monocytopoiesis. |
title_short |
Macrophages as origin of factor increasing monocytopoiesis. |
title_sort |
macrophages as origin of factor increasing monocytopoiesis. |
topic |
Immunology Immunology and Allergy |
url |
http://dx.doi.org/10.1084/jem.166.4.909 |
publishDate |
1987 |
physical |
909-922 |
description |
<jats:p>Earlier investigations had indicated that the factor increasing monocytopoiesis (FIM), present in the serum of mice and rabbits during the onset of an inflammatory response, is released by cells of the inflammatory exudate. The present study was performed to determine which cells produce and secrete this factor and to establish the kinetics of its production and secretion. FIM was assayed in vivo by intravenous injection of samples into untreated mice and monitoring the course of the number of blood monocytes in the recipients. FIM was assayed in vitro by adding samples to cultures of the macrophage cell line PU5 and determining the rate of proliferation of the cells. The results show that only macrophages contain and synthesize FIM. This factor is secreted upon exposure to a phagocytic stimulus, and after the release of preformed FIM, macrophages secrete newly synthesized FIM. Granulocytes and lymphocytes neither contain nor secrete FIM. The characteristics of FIM derived from macrophages are in all aspects similar to those of FIM in serum. Macrophage-derived FIM is a protein with a molecular weight between 10 and 25 X 10(3), its activity is cell-lineage specific and dose dependent, and it stimulates monocyte production in the bone marrow. Macrophage-derived FIM is not identical to either CSF-1 or IL-1, and has no chemotactic activity. Taken together, the present results show that FIM occurring in serum during an inflammatory response originates from macrophages at the site of the inflammation. In this way the macrophages themselves regulate the supply of circulating blood monocytes that can migrate to the site of injury when needed.</jats:p> |
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author | Sluiter, W, Hulsing-Hesselink, E, Elzenga-Claasen, I, van Hemsbergen-Oomens, L W, van der Voort van der Kleij-van Andel, A, van Furth, R |
author_facet | Sluiter, W, Hulsing-Hesselink, E, Elzenga-Claasen, I, van Hemsbergen-Oomens, L W, van der Voort van der Kleij-van Andel, A, van Furth, R, Sluiter, W, Hulsing-Hesselink, E, Elzenga-Claasen, I, van Hemsbergen-Oomens, L W, van der Voort van der Kleij-van Andel, A, van Furth, R |
author_sort | sluiter, w |
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description | <jats:p>Earlier investigations had indicated that the factor increasing monocytopoiesis (FIM), present in the serum of mice and rabbits during the onset of an inflammatory response, is released by cells of the inflammatory exudate. The present study was performed to determine which cells produce and secrete this factor and to establish the kinetics of its production and secretion. FIM was assayed in vivo by intravenous injection of samples into untreated mice and monitoring the course of the number of blood monocytes in the recipients. FIM was assayed in vitro by adding samples to cultures of the macrophage cell line PU5 and determining the rate of proliferation of the cells. The results show that only macrophages contain and synthesize FIM. This factor is secreted upon exposure to a phagocytic stimulus, and after the release of preformed FIM, macrophages secrete newly synthesized FIM. Granulocytes and lymphocytes neither contain nor secrete FIM. The characteristics of FIM derived from macrophages are in all aspects similar to those of FIM in serum. Macrophage-derived FIM is a protein with a molecular weight between 10 and 25 X 10(3), its activity is cell-lineage specific and dose dependent, and it stimulates monocyte production in the bone marrow. Macrophage-derived FIM is not identical to either CSF-1 or IL-1, and has no chemotactic activity. Taken together, the present results show that FIM occurring in serum during an inflammatory response originates from macrophages at the site of the inflammation. In this way the macrophages themselves regulate the supply of circulating blood monocytes that can migrate to the site of injury when needed.</jats:p> |
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spelling | Sluiter, W Hulsing-Hesselink, E Elzenga-Claasen, I van Hemsbergen-Oomens, L W van der Voort van der Kleij-van Andel, A van Furth, R 0022-1007 1540-9538 Rockefeller University Press Immunology Immunology and Allergy http://dx.doi.org/10.1084/jem.166.4.909 <jats:p>Earlier investigations had indicated that the factor increasing monocytopoiesis (FIM), present in the serum of mice and rabbits during the onset of an inflammatory response, is released by cells of the inflammatory exudate. The present study was performed to determine which cells produce and secrete this factor and to establish the kinetics of its production and secretion. FIM was assayed in vivo by intravenous injection of samples into untreated mice and monitoring the course of the number of blood monocytes in the recipients. FIM was assayed in vitro by adding samples to cultures of the macrophage cell line PU5 and determining the rate of proliferation of the cells. The results show that only macrophages contain and synthesize FIM. This factor is secreted upon exposure to a phagocytic stimulus, and after the release of preformed FIM, macrophages secrete newly synthesized FIM. Granulocytes and lymphocytes neither contain nor secrete FIM. The characteristics of FIM derived from macrophages are in all aspects similar to those of FIM in serum. Macrophage-derived FIM is a protein with a molecular weight between 10 and 25 X 10(3), its activity is cell-lineage specific and dose dependent, and it stimulates monocyte production in the bone marrow. Macrophage-derived FIM is not identical to either CSF-1 or IL-1, and has no chemotactic activity. Taken together, the present results show that FIM occurring in serum during an inflammatory response originates from macrophages at the site of the inflammation. In this way the macrophages themselves regulate the supply of circulating blood monocytes that can migrate to the site of injury when needed.</jats:p> Macrophages as origin of factor increasing monocytopoiesis. The Journal of experimental medicine |
spellingShingle | Sluiter, W, Hulsing-Hesselink, E, Elzenga-Claasen, I, van Hemsbergen-Oomens, L W, van der Voort van der Kleij-van Andel, A, van Furth, R, The Journal of experimental medicine, Macrophages as origin of factor increasing monocytopoiesis., Immunology, Immunology and Allergy |
title | Macrophages as origin of factor increasing monocytopoiesis. |
title_full | Macrophages as origin of factor increasing monocytopoiesis. |
title_fullStr | Macrophages as origin of factor increasing monocytopoiesis. |
title_full_unstemmed | Macrophages as origin of factor increasing monocytopoiesis. |
title_short | Macrophages as origin of factor increasing monocytopoiesis. |
title_sort | macrophages as origin of factor increasing monocytopoiesis. |
title_unstemmed | Macrophages as origin of factor increasing monocytopoiesis. |
topic | Immunology, Immunology and Allergy |
url | http://dx.doi.org/10.1084/jem.166.4.909 |