Ultrastructural immunogold localization of tumor necrosis factor-alpha to the matrix compartment of eosinophil secondary granules in patients with idiopathic hypereosinophilic syndromeWJ Beil, PF Weller, DM Tzizik, SJ Galli and AM Dvorak Dept. of Pathology, Beth Israel Hospital, Boston, MA 02215. Peripheral blood eosinophils from two normal donors and two patients with the hypereosinophilic syndrome (HES) were analyzed with a post- embedding immunogold method to detect the substructural location of tumor necrosis factor-alpha (TNF-alpha). In eosinophils of HES patients, TNF-alpha was localized to the matrix compartment of 64% of the specific secondary granules. Other structures in the HES eosinophils were unlabeled. No TNF-alpha was detected in eosinophils of normal donors. These studies document the first ultrastructural subcellular localization of any cytokine within the major population of secretory granules in human eosinophils and support other lines of evidence indicating that the expression of TNF-alpha may be greater in the eosinophils of HES patients than in those of normal donors.
Volume 41,
Issue 11,
pp. 1611-1615,
11/01/1993
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L. A. Spencer, C. T. Szela, S. A. C. Perez, C. L. Kirchhoffer, J. S. Neves, A. L. Radke, and P. F. Weller Human eosinophils constitutively express multiple Th1, Th2, and immunoregulatory cytokines that are secreted rapidly and differentially J. Leukoc. Biol., January 1, 2009; 85(1): 117 - 123. [Abstract] [Full Text] [PDF] |
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R. C. N. Melo, L. A. Spencer, A. M. Dvorak, and P. F. Weller Mechanisms of eosinophil secretion: large vesiculotubular carriers mediate transport and release of granule-derived cytokines and other proteins J. Leukoc. Biol., February 1, 2008; 83(2): 229 - 236. [Abstract] [Full Text] [PDF] |
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P. Lacy, S. Mahmudi-Azer, B. Bablitz, S. C. Hagen, J. R. Velazquez, S.F. P. Man, and R. Moqbel Rapid Mobilization of Intracellularly Stored RANTES in Response to Interferon-gamma in Human Eosinophils Blood, July 1, 1999; 94(1): 23 - 32. [Abstract] [Full Text] [PDF] |
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M. A. Giembycz and M. A. Lindsay Pharmacology of the Eosinophil Pharmacol. Rev., June 1, 1999; 51(2): 213 - 340. [Abstract] [Full Text] [PDF] |
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K. Hung, R. Hayashi, A. Lafond-Walker, C. Lowenstein, D. Pardoll, and H. Levitsky The Central Role of CD4+ T Cells in the Antitumor Immune Response J. Exp. Med., December 21, 1998; 188(12): 2357 - 2368. [Abstract] [Full Text] [PDF] |
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T. Horiuchi and P. F. Weller Expression of Vascular Endothelial Growth Factor by Human Eosinophils: Upregulation by Granulocyte Macrophage Colony-stimulating Factor and Interleukin-5 Am. J. Respir. Cell Mol. Biol., July 1, 1997; 17(1): 70 - 77. [Abstract] [Full Text] |
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