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Abstract
Innate immune cells, particularly macrophages and epithelial cells, play a key role in multiple layers of immune responses. Alarmins and pro-inflammatory cytokines from the IL (interleukin)-1 and TNF (tumour necrosis factor) families initiate the cascade of events by inducing chemokine release from bystander cells and by the up-regulation of adhesion molecules required for transendothelial trafficking of immune cells. Furthermore, innate cytokines produced by dendritic cells, macrophages, epithelial cells and innate lymphoid cells seem to play a critical role in polarization of helper T-cell cytokine profiles into specific subsets of Th1/Th2/Th17 effector cells or regulatory T-cells. Lastly, the innate immune system down-regulates effector mechanisms and restores homoeostasis in injured tissue via cytokines from the IL-10 and TGF (transforming growth factor) families mainly released from macrophages, preferentially the M2 subset, which have a capacity to induce regulatory T-cells, inhibit the production of pro-inflammatory cytokines and induce healing of the tissue by regulating extracellular matrix protein deposition and angiogenesis. Cytokines produced by innate immune cells represent an attractive target for therapeutic intervention, and multiple molecules are currently being tested clinically in patients with inflammatory bowel disease, rheumatoid arthritis, systemic diseases, autoinflammatory syndromes, fibrosing processes or malignancies. In addition to the already widely used blockers of TNFα and the tested inhibitors of IL-1 and IL-6, multiple therapeutic molecules are currently in clinical trials targeting TNF-related molecules [APRIL (a proliferation-inducing ligand) and BAFF (B-cell-activating factor belonging to the TNF family)], chemokine receptors, IL-17, TGFβ and other cytokines.
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Granulocyte-colony stimulating factor is involved in low-dose LPS-induced neuroprotection. Neurosci Lett 2009; 465:128-32. [DOI: 10.1016/j.neulet.2009.08.069] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2009] [Revised: 08/26/2009] [Accepted: 08/27/2009] [Indexed: 11/17/2022]
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Basu S, Zhang HH, Quilici C, Dunn AR. Candida albicansCan Stimulate Stromal Cells Resulting in Enhanced Granulopoiesis. Stem Cells Dev 2004; 13:39-50. [PMID: 15068692 DOI: 10.1089/154732804773099245] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Previously, we have reported that although unperturbed granulocyte colony-stimulating factor (GCSF)-deficient (G-CSF-/-) mice are neutropenic, when challenged with Candida albicans, they develop a profound neutrophilia. In an attempt to understand the basis of Candida-induced neutrophilia in G-CSF-deficient mice, we have modified the Dexter bone marrow culture system to produce an in vitro model that mimics emergency granulopoiesis in vivo. In this model, stromal cultures are overlaid with bone marrow cells in the presence or absence of heat-inactivated (HI) Candida. Irrespective of the genotype of mice used as a source of bone marrow-derived stromal cells, stimulation of these cultures with HI Candida led to a significantly greater recovery of cells compared to unstimulated stromal cultures. In addition, there was a marked increase in the number of colony-forming units granulocyte-macrophage (CFU-GM), as well as in the percentage of granulocytes in the population of nonadherent cells recovered from HI Candida-stimulated cultures. The conditioned medium generated from stromal cultures derived from either wild-type or G-CSF-/- mice exposed to HI Candida, when applied to bone marrow cells in a soft agar clonogenic assay stimulated M-, GM-, and G- type colonies. Interleukin-3 (IL-3) and GM-CSF could not be detected in the conditioned medium from either HI Candida stimulated or unstimulated stromal cultures. However, IL-6 was detected in the conditioned media from both wild-type and G-CSF-/- stromal cultures. Addition of anti-IL-6 antibody significantly impaired granulopoiesis in unstimulated and HI Candida-stimulated, wild type, and G-CSF-/- stromal cultures. Conditioned medium generated from G-CSF/IL-6-deficient stromal cells had the capacity to stimulate bone marrow cells to form colonies comprised of granulocytes and macrophages in soft agar clonogenic assay. This study demonstrates that stromal cells can be stimulated with HI Candida and gives an insight into Candida mediated granulopoiesis.
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Affiliation(s)
- Sunanda Basu
- Ludwig Institute for Cancer Research, Melbourne Tumor Biology Branch, Royal Melbourne Hospital, Victoria, Australia.
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Yasuhiro A, Sugimoto K, Sato AK, Mori KJ. Identification of negative regulator of interleukin-3 (NIL-3) in bone marrow. Cell Struct Funct 2002; 27:81-9. [PMID: 12207049 DOI: 10.1247/csf.27.81] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
We have reported that an inhibitor of interleukin-3 (NIL-3) is produced from murine bone marrow cells in response to excess stimulation of interleukin-3. In this report, we attempted the purification of the NIL-3 activity from bone marrow culture supernatant in the presence of interleukin-3. The purified NIL-3 activity was a protein with relative molecular weight of 54.5 kDa (SDS-PAGE), which inhibited the growth of IL-3 dependent DA-1 cell growth in a dose dependent manner. The N-terminal amino acid sequence of purified NIL-3 activity was determined to be homologous to beta-2 glycoprotein I (apolipoprotein H: APO-H). The gene expression of APO-H was detected by nested-PCR in STIL-3 C5-CM stimulated total bone marrow cells and STIL-3 C5-CM stimulated bone marrow fraction 2 (Fr. 2) which has been reported as a hematopoietic stem cell rich fraction. These observations indicate the possibility that the APO-H is the NIL-3 which was produced from bone marrow cells in response to excess IL-3 stimuli.
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Affiliation(s)
- Adachi Yasuhiro
- Department of Cell Science, Graduate School of Science and Technology, Nigata University, Japan.
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Santiago E, Mora L, Bautista M, Montesinos JJ, Martinez I, Ramos G, Zambrano IR, Manrique B, Weiss-Steider B. Granulocyte colony-stimulating factor induces neutrophils to secrete macrophage colony-stimulating factor. Cytokine 2001; 15:299-304. [PMID: 11594796 DOI: 10.1006/cyto.2001.0937] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this work we provide evidence showing that granulocytes produce macrophage colony-stimulating factor (M-CSF) from the band cell stage and secrete this factor when induced to differentiate into polymorphonuclear cells by recombinant human granulocyte colony-stimulating factor (rhG-CSF). Using an enriched population of myeloid band cells from murine bone marrow, we identified the presence of M-CSF with a chromophore-labelled monoclonal anti-M-CSF antibody. Using ELISA we detected the secretion of M-CSF in the supernatants of cultures of enriched band cells when induced with rhG-CSF to differentiate into mature neutrophils. We also found that M-CSF is the only factor responsible for the colony forming activity in the supernatants and lysates of band cells treated with rhG-CSF.
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Affiliation(s)
- E Santiago
- Unidad de Investigación en Diferenciación Celular y Cáncer, Facultad de Estudios Superiores Zaragoza, Universidad Nacional Autónoma de México, México D.F., México
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Aoki Y, Sha S, Mukai H, Nishi Y. Selective stimulation of G‐CSF gene expression in macrophages by a stimulatory monoclonal antibody as detected by a luciferase reporter gene assay. J Leukoc Biol 2000. [DOI: 10.1189/jlb.68.5.757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Yoshiko Aoki
- Laboratory of Life Science & Biomolecular Engineering, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
| | - Shiken Sha
- Laboratory of Life Science & Biomolecular Engineering, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
| | - Hidehito Mukai
- Laboratory of Life Science & Biomolecular Engineering, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
| | - Yoshisuke Nishi
- Laboratory of Life Science & Biomolecular Engineering, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
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Schwarzenberger P, Huang W, Ye P, Oliver P, Manuel M, Zhang Z, Bagby G, Nelson S, Kolls JK. Requirement of endogenous stem cell factor and granulocyte-colony-stimulating factor for IL-17-mediated granulopoiesis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2000; 164:4783-9. [PMID: 10779785 DOI: 10.4049/jimmunol.164.9.4783] [Citation(s) in RCA: 206] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
IL-17 is a novel, CD4+ T cell-restricted cytokine. In vivo, it stimulates hematopoiesis and causes neutrophilia consisting of mature granulocytes. In this study, we show that IL-17-mediated granulopoiesis requires G-CSF release and the presence or induction of the transmembrane form of stem cell factor (SCF) for optimal granulopoiesis. However, IL-17 also protects mice from G-CSF neutralization-induced neutropenia. G-CSF neutralization completely reversed IL-17-induced BM progenitor expansion, whereas splenic CFU-GM/CFU-granulocyte-erythrocyte-megakaryocyte-monocyte was only reduced by 50% in both Sl/Sld and littermate control mice. Thus, there remained a significant SCF/G-CSF-independent effect of IL-17 on splenic granulopoiesis, resulting in a preservation of mature circulating granulocytes. IL-17 is a cytokine that potentially interconnects lymphocytic and myeloid host defense and may have potential for therapeutic development.
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Affiliation(s)
- P Schwarzenberger
- Gene Therapy Program and Departments of Medicine, Pediatrics, and Physiology, Louisiana State University Health Science Center, New Orleans, LA 70112, USA.
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Myint YY, Miyakawa K, Naito M, Shultz LD, Oike Y, Yamamura K, Takahashi K. Granulocyte/macrophage colony-stimulating factor and interleukin-3 correct osteopetrosis in mice with osteopetrosis mutation. THE AMERICAN JOURNAL OF PATHOLOGY 1999; 154:553-66. [PMID: 10027413 PMCID: PMC1850013 DOI: 10.1016/s0002-9440(10)65301-1] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/05/1998] [Indexed: 11/16/2022]
Abstract
Although young mice homozygous for the osteopetrosis (op) mutation usually developed prominent osteopetrosis, its severity was markedly reduced in aged op/op mice. This age-associated reversal of osteopetrosis was accompanied by the expansion of bone marrow cavities and increased numbers of tartrate-resistant acid phosphatase (TRAP)-positive cells and of macrophages in the bone marrow. The TRAP-positive cells were mononuclear and developed ruffled borders and numerous vesicles, vacuoles, and granules. Enzyme-linked immunosorbent assay demonstrated a significant elevation of serum granulocyte/ macrophage colony-stimulating factor (GM-CSF) and interleukin (IL)-3 levels in the aged op/op mice. To examine whether GM-CSF and/or IL-3 could correct osteopetrosis in young op/op mice, 5 ng of recombinant murine (rm)GM-CSF and/or 100 ng of rmIL-3 were injected daily into young op/op mice. In these treated young op/op mice, the bone marrow cavities were expanded significantly at 2 weeks after administration, associated with significantly increased numbers of TRAP-positive cells and bone marrow macrophages. TRAP-positive cells increased in number with days after injection. These results suggest that GM-CSF and IL-3 induce the development of osteoclasts to correct osteopetrosis in the op/op mice with aging.
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Affiliation(s)
- Y Y Myint
- Second Department of Pathology, Kumamoto University School of Medicine, Japan
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Mutual Education Between Hematopoietic Cells and Bone Marrow Stromal Cells Through Direct Cell-to-Cell Contact: Factors That Determine the Growth of Bone Marrow Stroma-Dependent Leukemic (HB-1) Cells. Blood 1998. [DOI: 10.1182/blood.v92.3.834] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
A stroma-dependent cell line (HB-1) was established from myelogenous leukemic cells of CBA/N mouse. Characterization of the cells showed that HB-1 proliferated on hematopoietic supportive stromal cells (MS-10), but did not survive or proliferate on hematopoietic nonsupportive cells (MS-K). Direct contact between HB-1 and MS-10 appears to be necessary for HB-1 to proliferate on MS-10. We found that interleukin-1α (IL-1α) produced by MS-10 plays a major role in the survival and proliferation of HB-1. IL-11 did not support the proliferation of HB-1 cells by itself, but enhanced the proliferation of HB-1 cells in the presence of IL-1α. The expression of IL-1α and IL-11 was induced in MS-10 by the direct contact with HB-1 cells, and the expression of IL-1 receptor type I (IL-1RI) and interleukin-11 receptor (IL-11R) was induced in HB-1 cells by the attachment of the cells to MS-10. These findings show the existence of two-way interactions between HB-1 and MS-10.
© 1998 by The American Society of Hematology.
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Mutual Education Between Hematopoietic Cells and Bone Marrow Stromal Cells Through Direct Cell-to-Cell Contact: Factors That Determine the Growth of Bone Marrow Stroma-Dependent Leukemic (HB-1) Cells. Blood 1998. [DOI: 10.1182/blood.v92.3.834.415k04_834_841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A stroma-dependent cell line (HB-1) was established from myelogenous leukemic cells of CBA/N mouse. Characterization of the cells showed that HB-1 proliferated on hematopoietic supportive stromal cells (MS-10), but did not survive or proliferate on hematopoietic nonsupportive cells (MS-K). Direct contact between HB-1 and MS-10 appears to be necessary for HB-1 to proliferate on MS-10. We found that interleukin-1α (IL-1α) produced by MS-10 plays a major role in the survival and proliferation of HB-1. IL-11 did not support the proliferation of HB-1 cells by itself, but enhanced the proliferation of HB-1 cells in the presence of IL-1α. The expression of IL-1α and IL-11 was induced in MS-10 by the direct contact with HB-1 cells, and the expression of IL-1 receptor type I (IL-1RI) and interleukin-11 receptor (IL-11R) was induced in HB-1 cells by the attachment of the cells to MS-10. These findings show the existence of two-way interactions between HB-1 and MS-10.© 1998 by The American Society of Hematology.
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Ogasawara H, Tsuji T, Hirano D, Aoki Y, Nakamura M, Kodama H. Induction of IL-6 production by bone marrow stromal cells on the adhesion of IL-6-dependent hematopoietic cells. J Cell Physiol 1996; 169:209-16. [PMID: 8841437 DOI: 10.1002/(sici)1097-4652(199610)169:1<209::aid-jcp21>3.0.co;2-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Cellular interactions between hematopoietic cells and stromal cells play crucial roles in the proliferation and differentiation of the hematopoietic cells. Interleukin-6 (IL-6)-dependent 7TD1 cells markedly proliferated without IL-6 when they were co-cultured with hematopoietic-supportive bone marrow stromal cells, HESS-5 cells and HESS-1 CL.3 cells, which can support long-term hematopoiesis in vitro with but not without direct cell contact, cell contact being prevented with a microporous membrane. The production of IL-6 and the amount of IL-6 mRNA in hematopoietic-supportive stromal cells but not 7TD1 cells significantly increased only when the stromal cells were co-cultured in direct contact with 7TD1 cells. Furthermore, the amount of IL-6 mRNA increased according to the number of 7TD1 cells co-cultured. These inductions were not observed on co-culture with a murine myeloid cell line, M1 cells, or on the addition of the co-culture supernatant. These results suggest that 7TD1 cells transmit the signal to stromal cells that enhances IL-6 production by stromal cells via direct cell contact. A certain specific molecule for transduction of the signals may exist on the surface membrane of stromal cells and hematopoietic cells.
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Affiliation(s)
- H Ogasawara
- Life Science Research Laboratory, JT Inc, Kanagawa, Japan
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