151
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Dahinden CA, Zingg J, Maly FE, de Weck AL. Leukotriene production in human neutrophils primed by recombinant human granulocyte/macrophage colony-stimulating factor and stimulated with the complement component C5A and FMLP as second signals. J Exp Med 1988; 167:1281-95. [PMID: 2833556 PMCID: PMC2188926 DOI: 10.1084/jem.167.4.1281] [Citation(s) in RCA: 142] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Neutrophils (PMN) preincubated with recombinant human granulocyte/macrophage colony-stimulating factor (rhGM-CSF) for 2 h and then stimulated with the chemotactic factors, C5a or FMLP, produce substantial amounts of the lipoxygenase products 5-Hete, LTB4, and omega-oxidised LTB4 metabolites (4.36 +/- 0.95 (SEM) pM (n = 21) LTB4 and LTB4 metabolites/10(6) PMN). No lipoxygenase metabolites are detected by HPLC and RIA if purified PMN are stimulated by either GM-CSF or chemotactic factors in the absence of exogenous arachidonate. The priming effect of GM-CSF upon chemotactic factor induced generation of lipid mediators is a relatively slow process, clearly evident after 1 h and optimal after 2 h. Leukotriene generation is measurable with 0.8 U GM-CSF/10(6) PMN and is maximal with 80 U (10(-11)-10(-9) M). Upon activation of primed PMN with chemotactic factors, leukotriene synthesis is induced very rapidly. Already 2.5 min after activation the major lipoxygenase metabolites present are 20-OH LTB4 and 20-COOH LTB4. Our study shows that the synthesis of lipoxygenase metabolites from endogeneous AA can be initiated in PMN through receptor mediated processes by the appropriately timed combination of biological soluble inflammatory mediator peptides. Furthermore, these results indicate that GM-CSF not only enhances effector cell functions but can qualitatively change the mediator profile formed after activation with a second triggering signal. Such a mechanism might be important in amplifying inflammatory responses. Alternatively, lipid mediators formed might also have an intracellular or autocoid role and be responsible for the enhancement of other PMN functions like oxygen radical release.
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Affiliation(s)
- C A Dahinden
- Institute of Clinical Immunology, Inselspital, Bern, Switzerland
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152
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Jablons DM, Lotze MT. Derivation of cells with lytic activity against fresh and cultured tumors from human bone marrow. J Surg Res 1988; 44:404-16. [PMID: 3258943 DOI: 10.1016/0022-4804(88)90183-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We studied the derivation of cells with lymphokine-activated killer (LAK) cell activity from human bone marrow cultures. In these experiments, 26/26 specimens of human bone marrow obtained from sternum, iliac crest, rib, and humerus cultured with IL-2 (1000 U/cc) under varying conditions were able to generate LAK activity. LAK activity obtained from bone marrow mononuclear cell cultures (BMMC) was observed only with exposure to IL-2. Peak LAK activity against fresh melanomas and renal cell carcinoma and sarcomas was obtained usually by the second or third week in culture and could be maintained in some instances for greater than 28 days. Parallel experiments comparing autologous peripheral blood lymphocytes (PBL) cultured under identical conditions and tested simultaneously with BMMC demonstrated comparable LAK activity. T-cell depletion using sheep red blood cell rosetting and density separation on discontinuous gradients did not significantly enrich for a population with enhanced LAK activity. The use of irradiated Epstein-Barr virus-B-cell feeder lines significantly enhanced generation of LAK activity from BMMC when compared to controls (P less than 0.006). Conditioned media from PHA-stimulated 2-day and 4-day PBL cultures, 4-day mixed lymphocyte cultures, and 3-day LAK cultures did not consistently increase the growth or lytic activity of BMMC cultures grown in the presence of IL-2 (1000 U/cc). Phenotypic analysis of BMMC cultures after culture with IL-2 with lytic activity revealed mixed populations with mature T cells (CD3) and null cells (CD2+/CD4- and Leu 19+/Leu 7+) with decreased myeloid precursors (My 9+).
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Affiliation(s)
- D M Jablons
- Surgery Branch, National Cancer Institute, Bethesda, Maryland 20892
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153
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Ledbetter JA, Rabinovitch PS, June CH, Song CW, Clark EA, Uckun FM. Antigen-independent regulation of cytoplasmic calcium in B cells with a 12-kDa B-cell growth factor and anti-CD19. Proc Natl Acad Sci U S A 1988; 85:1897-901. [PMID: 2450350 PMCID: PMC279888 DOI: 10.1073/pnas.85.6.1897] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Increases in cytoplasmic free calcium ([Ca2+]i) can be induced in resting B cells either by a low molecular weight (12-kDa) B-cell growth factor (LMW-BCGF) or by crosslinking the B-cell antigen CD19 with monoclonal antibody (mAb). LMW-BCGF causes a slow [Ca2+]i increase in peripheral blood and tonsillar B cells but has no effect on [Ca2+]i in resting T cells. B-cell [Ca2+]i responses mediated by anti-surface immunoglobulin (sIg) or anti-CD19 are potentiated by LMW-BCGF, but anti-sIg and anti-CD19 do not show additive [Ca2+]i responses. LMW-BCGF- and anti-CD19-induced [Ca2+]i signals are similar to the sIgM or sIgD-mediated signals in that they are inhibited by prior treatment with phorbol 12-myristate 13-acetate. However, LMW-BCGF- and CD19-mediated signals do not depend on the expression of sIg, since they were also observed on sIg-B-cell precursor acute lymphoblastic leukemia (ALL) cells. Both anti-CD19 and LMW-BCGF stimulated in vitro colony formation by ALL cells and showed additive effects when used together. [Ca2+]i responses to LMW-BCGF or CD19 cross-linking were also evident on certain pre-B-cell and lymphoma B-cell lines.
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154
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Yang YC, Tsai S, Wong GG, Clark SC. Interleukin-1 regulation of hematopoietic growth factor production by human stromal fibroblasts. J Cell Physiol 1988; 134:292-6. [PMID: 3257968 DOI: 10.1002/jcp.1041340217] [Citation(s) in RCA: 85] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The human stromal fibroblastoid cell strain designated ST-1 represents a normal population of cells capable of supporting hematopoiesis in vitro. These cells constitutively elaborate hematopoietic growth factor activity into the medium and the level of production of this activity dramatically increases following stimulation of the cells with IL-1. This enhanced production is due at least in part to increased expression of the genes for GM-CSF, G-CSF, and IL-6, but not IL-3. The IL-1 treatment had little effect on the expression of M-CSF, a factor made constitutively by the cells. These results are consistent with the model that hematopoiesis is regulated at least in part by constant short-range interactions of humoral factors produced by stromal cells both with other types of stromal cells and with the hematopoietic progenitors.
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Affiliation(s)
- Y C Yang
- Genetics Institute, Cambridge, Massachusetts 02140
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155
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Migliaccio AR, Migliaccio G. Human embryonic hemopoiesis: control mechanisms underlying progenitor differentiation in vitro. Dev Biol 1988; 125:127-34. [PMID: 3119398 DOI: 10.1016/0012-1606(88)90065-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
In order to investigate differences in control mechanisms between embryonic and adult hemopoiesis, we have studied the sensitivity of human embryonic progenitors (5-8 weeks postconception) to either positive (erythropoietin (Ep), granulocyte-macrophage colony-stimulating factor (GM-CSF) and insulin-like growth factor 1 (IGF-1] or negative (tumor necrosis factor (TNF) and interferon-gamma (IFN-gamma] in vitro regulators of adult hemopoietic differentiation. Growth stimulators were analyzed under serum-deprived conditions whereas growth inhibitors were investigated in serum-supplemented culture. Formation of granulocyte-macrophage colonies from embryonic progenitors was induced by GM-CSF but inhibited by TNF and IFN-gamma. Early erythroid progenitors resemble adult erythroid burst-forming cells (BFU-E) in their sensitivity to Ep and TNF but differ in their lack of response to GM-CSF or other adult sources of burst-promoting activity, and absence of inhibition by IFN-gamma. IGF-1 promoted erythroid burst formation in the absence of insulin, but did not have Ep-like activity. These data indicate that embryonic and adult erythroid progenitors differ at least in terms of in vitro sensitivity to GM-CSF and IFN-gamma and suggest that different cellular response to control signals may underlie the differences observed in vivo between embryonic and adult hemopoiesis.
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156
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Broxmeyer HE, Williams DE. The production of myeloid blood cells and their regulation during health and disease. Crit Rev Oncol Hematol 1988; 8:173-226. [PMID: 3048745 DOI: 10.1016/s1040-8428(88)80016-7] [Citation(s) in RCA: 65] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The regulation of myelopoiesis in vivo most likely entails a complex set of interactions between cell-derived biomolecules and their target cells: hematopoietic stem and progenitor cells and accessory cells. Stimulating and suppressing factors have been characterized through in vitro studies, and their mechanisms of action in vitro and in vivo have begun to be elucidated. Among those factors being studied are the hematopoietic colony-stimulating factors (CSF): interleukin-3 (multi-CSF), granulocyte-macrophage-CSF, granulocyte-CSF, and macrophage-CSF; other molecules include erythropoietin, B-cell-stimulating factor-1, interleukin-1, interleukin-2, prostaglandin E, leukotrienes, acidic ferritins, lactoferrin, transferrin, the interferons-gamma, -alpha, and -beta, and the tumor necrosis factors-alpha and -beta (lymphotoxin). These factors interact to modulate blood cell production in vitro and in vivo. The proposed review characterizes these biomolecules biochemically and functionally, including receptor-ligand interactions and the secondary messengers within the cell which mediate their functional activity. The production and action of the molecules are described under conditions of hematopoietic disorders, as well as under normal conditions. Studies in vitro are correlated with studies in vivo using animal models to give an overall view of what is known about these molecules and their relevance physiologically and pathologically.
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Affiliation(s)
- H E Broxmeyer
- Walther Oncology Center, Indiana University School of Medicine, Indianapolis
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157
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Vadhan-Raj S, Keating M, LeMaistre A, Hittelman WN, McCredie K, Trujillo JM, Broxmeyer HE, Henney C, Gutterman JU. Effects of recombinant human granulocyte-macrophage colony-stimulating factor in patients with myelodysplastic syndromes. N Engl J Med 1987; 317:1545-52. [PMID: 3500414 DOI: 10.1056/nejm198712173172501] [Citation(s) in RCA: 450] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The myelodysplastic syndromes are characterized by ineffective hematopoiesis and refractory cytopenias. In an attempt to improve hematopoiesis, we administered recombinant human granulocyte--macrophage colony-stimulating factor (GM-CSF) to eight patients with myelodysplastic syndrome, as part of a Phase I trial. The GM-CSF was given by continuous intravenous infusion daily for two weeks and then again after a two-week rest period. Over the entire dose range tested (30 to 500 micrograms per square meter of body-surface area), treatment was associated with marked increases in peripheral-blood leukocytes (5- to 70-fold), including granulocytes (5- to 373-fold), in all eight patients. The absolute number of monocytes, eosinophils, and lymphocytes increased in all patients. Three of eight patients also had 2- to 10-fold increases in platelet counts and improvement in erythropoiesis, with the result that two of three patients who had required red-cell and platelet transfusions no longer needed them (at 20 to 27 weeks of follow-up). Treatment was also associated with increased marrow cellularity and a decreased percentage of blasts in the bone marrow of patients with excess blasts, resulting in an increase in the ratio of differentiated myeloid cells to immature myeloid cells. We observed relatively few side effects, but bone pain was dose-limiting when it was associated with high white-cell counts. Our results showed that GM-CSF is a potent stimulator of hematopoiesis in vivo and may produce hematologic improvement in the short term (8 to 32 weeks of observation) in patients with myelodysplastic syndrome. More experience, with longer follow-up periods, will be necessary to assess the long-term safety and efficacy of this new treatment.
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Affiliation(s)
- S Vadhan-Raj
- Department of Clinical Immunology, University of Texas M.D. Anderson Hospital and Tumor Institute, Houston 77030
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158
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Mayer P, Lam C, Obenaus H, Liehl E, Besemer J. Efficacy of recombinant human granulocyte-macrophage colony-stimulating factor in rhesus monkeys. Ann N Y Acad Sci 1987; 511:17-29. [PMID: 2830822 DOI: 10.1111/j.1749-6632.1987.tb36234.x] [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: 01/02/2023]
Abstract
The glycosylated and the non-glycosylated recombinant human granulocyte-macrophage colony-stimulating factor (rh GM-CSF) expressed in Chinese hamster ovary cells and E. coli, respectively, were administered in rhesus monkeys either by the subcutaneous (three times daily) or intravenous route (6-hr infusions) for seven consecutive days. Within 24 hr peripheral white blood cells (WBC) increased 2-3 fold over normal values. Thereafter, the WBC increased steadily in a dose-dependent manner to reach maximum levels on the last day of or one day after the treatment period. The differential counts showed that neutrophils contributed to 50-80%, eosinophils to 10-20%, monocytes to 2-7%, and lymphocytes to 15-30% of the WBC rise. No effect was found on platelets and erythrocytes. After termination of treatment, WBC counts returned to normal levels within one week. Subcutaneously administered CSF was more effective in inducing leukocytosis than that injected intravenously In addition to the rise in WBC, the administered rh GM-CSF also enhanced the oxidative metabolism and bactericidal activity of the circulating mature granulocytes isolated from the blood of monkeys treated with rh GM-CSF. These results show that glycosylated or non-glycosylated rh GM-CSF is both an effective stimulator of leukocytosis and a potent activator of the functional activity of mature granulocytes in vivo.
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Affiliation(s)
- P Mayer
- Sandoz Forschungsinstitut Ges.m.b.H., Vienna, Austria
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159
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Migliaccio G, Migliaccio AR. Early hemopoietic differentiation: the action of multi-CSF is complemented by lineage specific growth factors. Ann N Y Acad Sci 1987; 511:39-49. [PMID: 3326471 DOI: 10.1111/j.1749-6632.1987.tb36236.x] [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: 01/05/2023]
Abstract
Although mechanisms controlling differentiation of hemopoietic stem and early progenitor cells are still poorly understood, it is generally conceded that a pivotal role is played by hemopoietic growth factors (HGFs). However, in-vitro analysis of their action on early progenitors may be obscured by cell-cell interaction, as well as by the presence of fetal bovine serum (FBS). To overcome these limitations, we investigated the action of pure multipotent or lineage-specific HGFs on purified progenitors grown in FBS-free cultures. In the murine system, highly purified progenitors were cultured in the presence of multipotent colony-stimulating factor (multi-CSF, also termed interleukin-3), erythropoietin (Ep) and macrophagic-CSF (M-CSF). Each HGF was unable by itself to induce significant colony growth. However, combined addition of multi-CSF and either Ep or M-CSF gave rise only to pure erythroid or macrophagic colonies, respectively. Partly purified human progenitors were challenged by human granulomonocytic-CSF (GM-CSF), pluripotent CSF (PPO, also termed granulocytic-CSF, G-CSF) and Ep. Here again, each HGF was unable per se to promote colony growth, but combined addition of GM-CSF or PPO and Ep gave rise only to pure erythroid colonies. These results support a model of early hemopoietic differentiation according to which multi-lineage HGFs represent "competence" GFs, the action of which is complemented by lineage-specific "progression" HGFs.
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Affiliation(s)
- G Migliaccio
- Department of Hematology, Istituto Superiore di Sanità, Rome, Italy
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160
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Mouchiroud G, Blanchet JP. Characterization of the human erythroid progenitor cells responsive to the erythropoietic-enhancing activity found in normal human serum. INTERNATIONAL JOURNAL OF CELL CLONING 1987; 5:492-503. [PMID: 3429934 DOI: 10.1002/stem.5530050607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Normal human serum significantly increased the growth of erythroid colonies from bone marrow colony-forming units-erythroid (CFU-e) which were enriched by using a set of monoclonal antibodies in a panning technique. This activity was still observed in cultures of enriched CFU-e plated near the limiting cell dilution. When the addition of erythropoietin was delayed so that only early CFU-e could survive, we observed that the growth of erythroid colonies was less affected in cultures containing erythropoietin and normal serum than in those containing erythropoietin only. We have concluded from this study that normal human serum acts on in vitro erythropoiesis by directly stimulating the growth of a population of early CFU-e.
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Affiliation(s)
- G Mouchiroud
- Laboratoire de Biologie Cellulaire, Université Claude Bernard Lyon I, Villeurbanne, France
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161
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Emerson SG, Gale RP. The regulation of hematopoiesis following bone marrow transplantation. INTERNATIONAL JOURNAL OF CELL CLONING 1987; 5:432-49. [PMID: 3323328 DOI: 10.1002/stem.5530050602] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Allogeneic bone marrow transplantation requires that donor stem cells home to the recipient bone marrow, proliferate and differentiate under normal physiologic regulatory mechanisms. Recent observations that T cell depletion of donor bone marrow leads to a greatly increased incidence of graft failure mandate a detailed understanding of the engraftment process. Post-transplant hematopoietic deficiencies appear to be related to several sources: decreased number of stem cells, activation of donor hematopoietic suppressor cells, rejection of donor stem cells by residual recipient lymphocytes and abnormal function of accessory cells that produce hematopoietic growth factors. A better understanding of the relative roles of these factors should lead to a better understanding of engraftment as well as graft failure and its prevention.
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Affiliation(s)
- S G Emerson
- Division of Hematology/Oncology, University of Michigan Medical Center, Ann Arbor 48109
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162
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Messner HA, Yamasaki K, Jamal N, Minden MM, Yang YC, Wong GG, Clark SC. Growth of human hemopoietic colonies in response to recombinant gibbon interleukin 3: comparison with human recombinant granulocyte and granulocyte-macrophage colony-stimulating factor. Proc Natl Acad Sci U S A 1987; 84:6765-9. [PMID: 3498941 PMCID: PMC299165 DOI: 10.1073/pnas.84.19.6765] [Citation(s) in RCA: 59] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Supernatants of COS-1 cells transfected with gibbon cDNA encoding interleukin 3 (IL-3) with homology to sequences for human IL-3 were tested for ability to promote growth of various human hemopoietic progenitors. The effect of these supernatants as a source of recombinant IL-3 was compared to that of recombinant human granulocyte-macrophage colony-stimulating factor (GM-CSF) and granulocyte colony-stimulating factor (G-CSF) as well as to that of medium conditioned by phytohemagglutinin-stimulated leukocytes. The frequency of multilineage colonies, erythroid bursts, and megakaryocyte colonies in cultures containing the COS-1 cell supernatant was equivalent to the frequency observed in the controls and significantly higher than found in cultures plated with recombinant GM-CSF. G-CSF did not support the formation of multilineage colonies, erythroid bursts, and megakaryocyte colonies. In contrast, growth of granulocyte-macrophage colonies was best supported with GM-CSF, while recombinant IL-3 yielded colonies at lower or at best equivalent frequency. The simultaneous addition of higher concentrations of GM-CSF to cultures containing IL-3 in optimal amounts did not enhance the formation of multilineage colonies, erythroid bursts, and megakaryocyte colonies. However, the frequency of such colonies and bursts increased with GM-CSF when cultures were plated with suboptimal concentrations of IL-3. Growth of colonies within the granulocyte-macrophage lineage is optimally supported by GM-CSF and does not increase with further addition of IL-3.
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163
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164
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Sieff CA, Niemeyer CM, Nathan DG, Ekern SC, Bieber FR, Yang YC, Wong G, Clark SC. Stimulation of human hematopoietic colony formation by recombinant gibbon multi-colony-stimulating factor or interleukin 3. J Clin Invest 1987; 80:818-23. [PMID: 3497952 PMCID: PMC442308 DOI: 10.1172/jci113139] [Citation(s) in RCA: 77] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Recently, the gene for a novel mammalian hematopoietic growth factor homologous to murine interleukin 3 was isolated from a gibbon T cell line and expressed in monkey COS cells. The factor, termed multi-colony stimulating factor (multi-CSF) or interleukin 3, is stimulatory to human target cells. We investigated the range of enriched human bone marrow and fetal liver hematopoietic progenitors responsive to multi-CSF; compared the colony types observed with those obtained in the presence of recombinant granulocyte-macrophage CSF (GM-CSF); and analyzed the effects on colony formation of combining multi-CSF with GM-CSF or granulocyte-CSF (G-CSF). The results show that multi-CSF acts as a multipoietin. Alone it stimulates the formation of colonies derived from granulocyte, macrophage, eosinophil, and megakaryocyte progenitors. In combination with erythropoietin it supports the development of both erythroid and mixed colonies. Furthermore, the data show that multi-CSF is a more potent stimulus of erythroid progenitors than GM-CSF. In combination with G-CSF multi-CSF substantially increases granulocyte colony number over the number obtained with each factor alone. We conclude that multi-CSF may prove to have important therapeutic potential in vivo as a stimulus for hematopoiesis.
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165
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Mochizuki DY, Eisenman JR, Conlon PJ, Larsen AD, Tushinski RJ. Interleukin 1 regulates hematopoietic activity, a role previously ascribed to hemopoietin 1. Proc Natl Acad Sci U S A 1987; 84:5267-71. [PMID: 2885846 PMCID: PMC298836 DOI: 10.1073/pnas.84.15.5267] [Citation(s) in RCA: 168] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
A murine in vitro assay was developed to measure potentiation of a proliferative response to suboptimal concentrations of the hematopoietic regulatory molecule granulocyte/macrophage colony-stimulating factor by an immature bone marrow population. The assay, designated the 5-fluorouracil bone marrow proliferation assay, was used to characterize potentiating activity in serum-free culture supernatants of the human tumor cell line HBT 5637. Molecular and biochemical analyses indicated that the HBT 5637-derived potentiating activity could be attributed to interleukin 1 alpha. Serologic analysis using a monoclonal antibody against purified recombinant interleukin 1 alpha proved conclusively that the potentiating activity in HBT 5637 serum-free supernatants is due to interleukin 1 alpha. From these data, the activity of interleukin 1 alpha seems to be the same synergistic activity formerly ascribed to hemopoietin 1.
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166
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Le Beau MM, Epstein ND, O'Brien SJ, Nienhuis AW, Yang YC, Clark SC, Rowley JD. The interleukin 3 gene is located on human chromosome 5 and is deleted in myeloid leukemias with a deletion of 5q. Proc Natl Acad Sci U S A 1987; 84:5913-7. [PMID: 3497400 PMCID: PMC298973 DOI: 10.1073/pnas.84.16.5913] [Citation(s) in RCA: 108] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The gene IL-3 encodes interleukin 3, a hematopoietic colony-stimulating factor (CSF) that is capable of supporting the proliferation of a broad range of hematopoietic cell types. By using somatic cell hybrids and in situ chromosomal hybridization, we localized this gene to human chromosome 5 at bands q23-31, a chromosomal region that is frequently deleted [del(5q)] in patients with myeloid disorders. By in situ hybridization, IL-3 was found to be deleted in the 5q-chromosome of one patient with refractory anemia who had a del(5)(q15q33.3), of three patients with refractory anemia (two patients) or acute nonlymphocytic leukemia (ANLL) de novo who had a similar distal breakpoint [del(5)(q13q33.3)], and of a fifth patient, with therapy-related ANLL, who had a similar distal breakpoint in band q33 [del(5)(q14q33.3)]. Southern blot analysis of somatic cell hybrids retaining the normal or the deleted chromosome 5 from two patients with the refractory anemia 5q- syndrome indicated that IL-3 sequences were absent form the hybrids retaining the deleted chromosome 5 but not from hybrids that had a cytologically normal chromosome 5. Thus, a small segment of chromosome 5 contains IL-3, GM-CSF (the gene encoding granulocyte-macrophage-CSF), CSF-1 (the gene encoding macrophage-CSF), and FMS (the human c-fms protooncogene, which encodes the CSF-1 receptor). Our findings and earlier results indicating that GM-CSF, CSF-1, and FMS were deleted in the 5q-chromosome, suggest that loss of IL-3 or of other CSF genes may play an important role in the pathogenesis of hematologic disorders associated with a del(5q).
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167
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Nienhuis AW, Donahue RE, Karlsson S, Clark SC, Agricola B, Antinoff N, Pierce JE, Turner P, Anderson WF, Nathan DG. Recombinant human granulocyte-macrophage colony-stimulating factor (GM-CSF) shortens the period of neutropenia after autologous bone marrow transplantation in a primate model. J Clin Invest 1987; 80:573-7. [PMID: 3301903 PMCID: PMC442271 DOI: 10.1172/jci113106] [Citation(s) in RCA: 123] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The effect of granulocyte-macrophage colony-stimulating factor (GM-CSF) on hematopoietic reconstitution after autologous bone marrow transplantation was evaluated in a primate model. Animals were given a continuous intravenous infusion of recombinant human GM-CSF for several days both before and after transplantation or only after the transplant procedure. Marrow ablation was accomplished by total body irradiation. In both groups of animals, the neutrophil count reached 1,000/mm3 by 8-9 d posttransplant compared with an interval of 17 and 24 d for two concurrent controls. After withdrawal of GM-CSF, neutrophil counts fell to values comparable to those observed in untreated controls. Accelerated recovery of platelet production was also observed in four of the five animals. Two additional animals were initially given GM-CSF several weeks posttransplantation because of inadequate engraftment. Prompt and sustained increases in neutrophil and platelet counts were observed. We conclude that GM-CSF may be useful in accelerating bone marrow reconstitution.
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168
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Abstract
The complementary DNAs and genes encoding the four major human myeloid growth factors--granulocyte colony-stimulating factor, macrophage colony-stimulating factor, granulocyte-macrophage colony-stimulating factor, and interleukin-3--have all been molecularly cloned. These DNA clones have proved valuable for studying the molecular biology of these important regulatory molecules as well as for the large-scale production of the recombinant growth factor proteins. These advances have led to a much better understanding of the role of the myeloid growth factors in regulating hematopoiesis in vivo that should soon find practical application in clinical medicine.
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169
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Tobler A, Gasson J, Reichel H, Norman AW, Koeffler HP. Granulocyte-macrophage colony-stimulating factor. Sensitive and receptor-mediated regulation by 1,25-dihydroxyvitamin D3 in normal human peripheral blood lymphocytes. J Clin Invest 1987; 79:1700-5. [PMID: 3034980 PMCID: PMC424508 DOI: 10.1172/jci113009] [Citation(s) in RCA: 90] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
We show that 1,25-dihydroxyvitamin D3 (1,25[OH]2D3), the most hormonally active metabolite of vitamin D3, modulates sensitively and specifically both the protein and messenger RNA accumulation of the multilineage growth factor granulocyte-macrophage colony-stimulating factor (GM-CSF). The regulation of GM-CSF expression is seen in both normal human mitogen-activated T lymphocytes and T lymphocytes from a line (S-LB1) transformed with human T cell lymphotropic virus 1 (HTLV-1). In contrast, cells from a HTLV-1 transformed T lymphocyte line (Ab-VDR) established from a patient with vitamin D-resistant rickets type II with undetectable 1,25(OH)2D3 cellular receptors are resistant to the action of 1,25(OH)2D3. Inhibition of GM-CSF expression by 1,25(OH)2D3 can occur independently of interleukin 2 regulation and is probably mediated through cellular 1,25(OH)2D3 receptors. We conclude that 1,25(OH)2D3 may be important in the physiology of hematopoiesis.
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170
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Wong PM, Chung SW, Nienhuis AW. Retroviral transfer and expression of the interleukin-3 gene in hemopoietic cells. Genes Dev 1987; 1:358-65. [PMID: 3500094 DOI: 10.1101/gad.1.4.358] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A recombinant retrovirus containing the interleukin-3 (IL3) coding sequence and the neomycin-resistance gene (Neor) has been generated. Infection of fetal liver cells with the IL3 retrovirus, but not with the N2 parental virus, resulted in the formation of factor-independent, NeoR colonies containing various types of differentiated hemopoietic cells. Established cell lines could be generated from these mixed hemopoietic colonies. These cell lines contained the unrearranged viral genome, produced viral IL3, and secreted the growth factor; however, they were not tumorigenic. Identical results were obtained from infection of two factor-dependent cell lines with the IL3 virus, except that these clones all became tumorigenic. These data indicate that endogenous IL3 production can support normal differentiation and immortalization of primary hemopoietic cells, or, in previously immortalized cells, can lead to tumorigenicity.
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Affiliation(s)
- P M Wong
- Clinical Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, Maryland 20892
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171
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Koike K, Ogawa M, Ihle JN, Miyake T, Shimizu T, Miyajima A, Yokota T, Arai K. Recombinant murine granulocyte-macrophage (GM) colony-stimulating factor supports formation of GM and multipotential blast cell colonies in culture: comparison with the effects of interleukin-3. J Cell Physiol 1987; 131:458-64. [PMID: 3298286 DOI: 10.1002/jcp.1041310319] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
We studied the effects of murine recombinant granulocyte-macrophage colony-stimulating factor (GM-CSF) on murine hemopoiesis in methylcellulose culture. The GM-CSF was purified from cultures of Saccharomyces cerevisiae transfected with a cloned murine GM-CSF cDNA. In cultures of spleen cells from normal mice, only granulocyte-macrophage (GM) colonies were supported by GM-CSF. Blast cell colonies were the predominant type in cultures of spleen cells from 5-fluorouracil (5-FU)-treated mice. Dose-response studies revealed that maximal GM and blast cell colony formation is achieved with 100 U/ml GM-CSF. Blast cell colonies revealed variable but high replating efficiencies, and the secondary colonies included multilineage colonies. Serial replating of washed blast cell colonies in cultures with GM-CSF provided evidence for the direct effects of GM-CSF on the proliferation of multipotential blast cells. A combination of GM-CSF and interleukin-3 (IL-3) did not increase the number of blast cell colonies over the level supported by IL-3. This observation indicates that the progenitors for blast cell colonies that responded to GM-CSF are a subpopulation of multipotential progenitors that are supported by IL-3. Cytological studies of colonies derived from GM-CSF and/or IL-3 suggest that the eosinophilopoietic ability of murine GM-CSF is less than that of IL-3.
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172
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173
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Cannistra SA, Rambaldi A, Spriggs DR, Herrmann F, Kufe D, Griffin JD. Human granulocyte-macrophage colony-stimulating factor induces expression of the tumor necrosis factor gene by the U937 cell line and by normal human monocytes. J Clin Invest 1987; 79:1720-8. [PMID: 3294900 PMCID: PMC424514 DOI: 10.1172/jci113012] [Citation(s) in RCA: 114] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Human granulocyte-macrophage colony-stimulating factor (GM-CSF) exerts profound effects on the proliferation, differentiation, and effector function of myeloid lineage cells. In contrast to its growth-promoting effects on normal myeloid progenitor cells, we found that GM-CSF unexpectedly inhibited the colony growth of U937 cells in agar culture. Furthermore, medium conditioned by recombinant GM-CSF(rGM-CSF)-treated U937 cells was found to exert an inhibitory effect on subsequent U937 colony growth that was partially due to the presence of tumor necrosis factor (TNF). By Northern blot analysis, rGM-CSF was shown to induce expression of the TNF gene in U937 cells and in T-lymphocyte-depleted, monocyte-enriched peripheral blood mononuclear cells. Furthermore, rGM-CSF was observed to significantly enhance TNF secretion by monocytes stimulated with endotoxin and phorbol myristate acetate (PMA). These data suggest that some of the biological effects of GM-CSF may be amplified through the release of monokines such as TNF.
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174
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Kanz L, Löhr GW, Fauser AA. Human megakaryocytic progenitor cells. KLINISCHE WOCHENSCHRIFT 1987; 65:297-307. [PMID: 2438450 DOI: 10.1007/bf01745383] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Megakaryocytopoiesis represents one of several differentiation pathways that hematopoietic stem cells may enter. Cells representing intermediate stages of differentiation between pluripotent stem cells and maturing megakaryocytes are called megakaryocytic progenitor cells. They are identified in human bone marrow and peripheral blood by their ability to proliferate in culture (colony forming unit-megakaryocyte, CFU-M); at some point they lose the capacity for cell division and acquire the ability for endoreduplication of DNA, a phenomenon that is unique to the megakaryocyte lineage. This review summarizes current understanding of the biology of human megakaryocytic progenitor cells, including characterization of their proliferation potentials, their antigenic determinants, and the mechanisms that govern their proliferation and maturation. Finally the involvement of CFU-M in various disorders of thrombopoiesis is discussed.
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175
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Abstract
Monosomy for all or part of chromosome 7 in bone marrow mitoses of some patients with myelodysplastic syndrome or acute nonlymphocytic leukemia has been associated with a defect in granulocyte function. To study which blood-cell lineages are affected by the monosomy, we used chromosome 7-specific DNA probes in Southern blotting experiments on DNA derived from specific cell fractions isolated from the blood of five patients. As judged by the presence or absence of two different alleles for restriction-fragment-length polymorphisms, lymphocytes of all five patients were shown to have two different chromosomes 7. Granulocytes were affected by the chromosomal abnormality in four patients (No. 1, 2, 4, and 5) and unaffected in one (No. 3). Chemotaxis was normal in Patient 3 and impaired in Patients 4 and 5. Monocytes were affected by the monosomy in two of three patients (No. 2 and 3) and mainly unaffected in one (No. 1). Thus, the granulocytes and monocytes were affected differently in different patients. We conclude that mature blood cells are derived from abnormal progenitors and that there may be heterogeneity in the involvement of different cell lineages in different patients with myelodysplastic syndrome or acute nonlymphocytic leukemia. There is an association between DNA loss and functional impairment.
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176
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Chromosome Abnormalities and Oncogenes in Human Leukemia and Lymphoma. Hum Genet 1987. [DOI: 10.1007/978-3-642-71635-5_54] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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177
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Ottmann OG, Welte K, Souza LM, Moore MA. Proliferative effects of a recombinant human granulocyte colony-stimulating factor (rG-CSF) on highly enriched hematopoietic progenitor cells. HAEMATOLOGY AND BLOOD TRANSFUSION 1987; 31:244-7. [PMID: 2450817 DOI: 10.1007/978-3-642-72624-8_50] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- O G Ottmann
- Laboratory of Developmental Hematopoiesis, Memorial Sloan-Kettering Cancer Center, New York
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178
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Sieff CA, Tsai S, Faller DV. Interleukin 1 induces cultured human endothelial cell production of granulocyte-macrophage colony-stimulating factor. J Clin Invest 1987; 79:48-51. [PMID: 3491839 PMCID: PMC423983 DOI: 10.1172/jci112806] [Citation(s) in RCA: 149] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Monokine-stimulated endothelial cells are known to produce both burst- and colony-stimulating activities, but neither the nature of the monokine nor the hematopoietic growth factor(s) produced is known. We show by mRNA analysis that an immortalized line of human endothelial cells constitutively produce granulocyte-macrophage colony-stimulating factor. Furthermore, interleukin 1 and tumor necrosis factor induce early passage human umbilical endothelial cells to produce the same growth factor.
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179
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Chan JY, Slamon DJ, Nimer SD, Golde DW, Gasson JC. Regulation of expression of human granulocyte/macrophage colony-stimulating factor. Proc Natl Acad Sci U S A 1986; 83:8669-73. [PMID: 3490669 PMCID: PMC386992 DOI: 10.1073/pnas.83.22.8669] [Citation(s) in RCA: 87] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Colony-stimulating factors (CSFs) are glycoproteins that stimulate the growth of hematopoietic progenitors and enhance the functional activity of mature effector cells. Human granulocyte/macrophage colony-stimulating factor (GM-CSF) is a 22-kDa glycoprotein that stimulates the growth of myeloid and erythroid progenitors in vitro and increases the responsiveness of neutrophils, monocytes, and eosinophils to physiologic stimuli. Elucidation of the cell and tissue sources of CSFs, as well as study of their regulation of expression, is required to understand their role in physiologic and pathophysiologic states. An extensive survey of normal and neoplastic human tissues did not reveal constitutive production of detectable levels of GM-CSF mRNA in any of the 64 samples studied. Antigen- or lectin-activated T lymphocytes have been shown to produce GM-CSF; therefore, to elucidate the genetic sequences required, we constructed recombinant plasmids containing 5' flanking DNA of the GM-CSF gene linked to the marker chloramphenicol acetyltransferase gene. The recombinant constructs were transfected into a human T-cell leukemia virus type I (HTLV)-infected T-lymphoblast cell line that can be stimulated to produce high levels of GM-CSF. We show here that the 5' flanking sequences of the GM-CSF gene can direct increased expression of the chloramphenicol acetyltransferase gene in activated T-lymphoblast cells.
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180
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Broxmeyer HE. Biomolecule-cell interactions and the regulation of myelopoiesis. INTERNATIONAL JOURNAL OF CELL CLONING 1986; 4:378-405. [PMID: 2431075 DOI: 10.1002/stem.5530040601] [Citation(s) in RCA: 63] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The regulation of myelopoiesis in vivo most likely entails a complex set of interactions between cell-derived biomolecules and their target cells. Much of what we currently know of these interactions has been derived from studies in vitro utilizing techniques for the purification of both the biomolecules and the cells producing and responding to these factors. Stimulating and suppressing influences have been uncovered, and with the cloning and purification of biologically active factors, studies assessing the actions of these molecules in vivo have begun. From studies in vitro it is apparent that many of the purified molecules can have move than one action and that different molecules can collaborate in a synergistic manner to enhance or suppress functional endpoints.
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181
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Hammer SM, Gillis JM, Groopman JE, Rose RM. In vitro modification of human immunodeficiency virus infection by granulocyte-macrophage colony-stimulating factor and gamma interferon. Proc Natl Acad Sci U S A 1986; 83:8734-8. [PMID: 2430298 PMCID: PMC387006 DOI: 10.1073/pnas.83.22.8734] [Citation(s) in RCA: 89] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The ability of recombinant human granulocyte-macrophage colony-stimulating factor (GM-CSF) and gamma interferon (IFN-gamma) to modify human immunodeficiency virus (HIV; also called HTLV-III/LAV) infection in the monocytic cell line U-937 was examined. When added to persistently infected cell cultures, GM-CSF at 30-300 units per ml produced maximal reductions in reverse transcriptase activity of 37-55% 10-14 days after its addition, whereas IFN-gamma produced reductions of 64-68% 10-17 days after addition. When used prior to acute HIV infection and maintained in the cell culture system, these cytokines reduced reverse transcriptase activity 90-100% and nearly eliminated viral antigen expression but did not prevent return of productive infection after their removal. These results indicate that, in a monocyte model of HIV infection, GM-CSF and IFN-gamma substantially restrict HIV expression and that these cytokines deserve further evaluation as therapeutic alternatives in HIV-related disorders.
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182
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Yang YC, Ciarletta AB, Temple PA, Chung MP, Kovacic S, Witek-Giannotti JS, Leary AC, Kriz R, Donahue RE, Wong GG. Human IL-3 (multi-CSF): identification by expression cloning of a novel hematopoietic growth factor related to murine IL-3. Cell 1986; 47:3-10. [PMID: 3489530 DOI: 10.1016/0092-8674(86)90360-0] [Citation(s) in RCA: 578] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A cDNA clone encoding a novel hematopoietic growth factor activity produced by a gibbon T cell line has been identified using a mammalian cell expression cloning system. The sequence of this cDNA proved to have significant homology to the sequence encoding murine interleukin 3 (IL-3). The human gene, which was readily identified because of its high degree of homology to the gibbon sequence, also displayed significant homology with the murine IL-3 sequence. The recombinant gibbon IL-3 protein proved to have multipotent colony stimulating activity when tested with normal human bone marrow cells, proving that this primate hematopoietin is not only structurally but also functionally related to murine IL-3.
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183
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Broudy VC, Kaushansky K, Segal GM, Harlan JM, Adamson JW. Tumor necrosis factor type alpha stimulates human endothelial cells to produce granulocyte/macrophage colony-stimulating factor. Proc Natl Acad Sci U S A 1986; 83:7467-71. [PMID: 3489939 PMCID: PMC386739 DOI: 10.1073/pnas.83.19.7467] [Citation(s) in RCA: 218] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Tumor necrosis factor type alpha (TNF-alpha) is produced by monocytes and has been purified, sequenced, and cloned from the HL-60 cell line. Soluble products of monocytes stimulate endothelial cells to release multilineage hematopoietic colony-stimulating activity. To determine whether TNF-alpha could stimulate endothelial cells to produce these activities, we added recombinant human TNF-alpha to cultured human umbilical vein endothelial cells. Untreated endothelial cell conditioned medium and TNF-alpha-stimulated endothelial cell conditioned medium were tested for hematopoietic colony stimulating activity in colony-forming assays in methylcellulose. TNF-alpha stimulated growth factor production by endothelial cells. Fifth-passage human endothelial cells and multiply-passaged bovine aortic endothelial cells responded similarly to first-passage endothelial cells, indicating that the action of TNF-alpha on endothelial cells is direct and not due to contaminating lymphocytes or monocytes present in the first-passage cultures. To investigate the molecular basis for these findings, polyadenylylated RNA was prepared from the TNF-alpha-stimulated endothelial cells and probed for granulocyte-macrophage colony-stimulating factor and granulocyte colony-stimulating factor mRNA. Granulocyte-macrophage colony-stimulating factor, but not granulocyte colony-stimulating factor, message was detected. This finding suggests that at least some of the hematopoietic colony-stimulating activity released by the TNF-alpha-stimulated endothelial cells is granulocyte-macrophage colony-stimulating factor. These results demonstrate that a purified monocyte product can stimulate endothelial cells to produce the multilineage growth factor granulocyte-macrophage colony-stimulating factor and extend the role of this immunoregulatory protein to the regulation of hematopoiesis in vitro.
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184
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Taniguchi T, Matsui H, Fujita T, Hatakeyama M, Kashima N, Fuse A, Hamuro J, Nishi-Takaoka C, Yamada G. Molecular analysis of the interleukin-2 system. Immunol Rev 1986; 92:121-33. [PMID: 3091480 DOI: 10.1111/j.1600-065x.1986.tb01497.x] [Citation(s) in RCA: 73] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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185
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Arnaout MA, Wang EA, Clark SC, Sieff CA. Human recombinant granulocyte-macrophage colony-stimulating factor increases cell-to-cell adhesion and surface expression of adhesion-promoting surface glycoproteins on mature granulocytes. J Clin Invest 1986; 78:597-601. [PMID: 3090106 PMCID: PMC423600 DOI: 10.1172/jci112615] [Citation(s) in RCA: 207] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Human granulocyte-macrophage colony-stimulating factor (GM-CSF) has been shown to inhibit migration of mature granulocytes and to enhance their antibody-dependent cellular cytotoxicity. We found that human recombinant GM-CSF also enhanced granulocyte-granulocyte adhesion and increased by two- to threefold the surface expression of Mo1 and LeuM5 (P150, 95), two members of a family of leukocyte adhesion molecules (Leu-CAM). Increased Mo1 surface expression occurred within 15 min at 37 degrees C and was maximal at the migration inhibitory concentration of 500 pM. One-half maximal rise in the expression of Mo1 on the cell surface occurred at 5 pM. The chemotactic peptide f-Met-Leu-Phe produced a comparable rise in surface Mo1 with one-half maximal expression occurring at 7 nM. Both GM-CSF and f-Met-Leu-Phe produced optimal granulocyte-granulocyte adhesion at 500 pM and 100 nM, respectively. This adhesion-promoting effect induced by either stimulus was inhibited by a mouse monoclonal antibody directed against Mo1 antigen. These data indicate that GM-CSF promotes cell-to-cell adhesion, presumably through enhanced expression of leukocyte adhesion molecules. This mechanism may explain, in part, the known effects of GM-CSF on the function of mature granulocytes.
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186
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Donahue RE, Wang EA, Stone DK, Kamen R, Wong GG, Sehgal PK, Nathan DG, Clark SC. Stimulation of haematopoiesis in primates by continuous infusion of recombinant human GM-CSF. Nature 1986; 321:872-5. [PMID: 3487734 DOI: 10.1038/321872a0] [Citation(s) in RCA: 294] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Certain proteins are known to play an important part in the proliferation, differentiation and functional activation of haematopoietic progenitor cells in vitro. These proteins include erythropoietin and various colony-stimulating factors (CSFs), one of which is granulocyte-macrophage colony-stimulating factor (GM-CSF). Recently, both murine and human GM-CSF have been purified to homogeneity and complementary DNAs encoding them have been cloned. Although the in vitro activity of recombinant human GM-CSF has been investigated intensively, little is known about the functional activity of this protein in vivo. There is strong evidence that colony-stimulating activities produced by various human and murine tumour tissues and cell lines can stimulate granulopoiesis in mice, as can human urinary extracts. A partially purified preparation of human urinary colony-stimulating factor, however, proved only marginally effective in stimulating granulopoiesis in humans. All these studies suffer from the lack of a homogeneous preparation of colony-stimulating factor. It has recently been shown that recombinant murine multi-CSF or interleukin-3 can stimulate haematopoiesis in mice in vivo. Large-scale production of recombinant human GM-CSF now permits us to examine its effects in vivo using a primate model. We find that the continuous infusion of GM-CSF in healthy monkeys rapidly elicits a dramatic leukocytosis and a substantial reticulocytosis. A similar effect has been observed in one pancytopenic, immunodeficient rhesus macaque. These results suggest that GM-CSF could prove useful in several clinical situations.
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187
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Abstract
The proliferation and differentiation of committed erythroid progenitor cells is regulated by the glycoprotein hormone erythropoietin. Erythropoietin increases the number of developing erythroid precursors and accelerates the release of reticulocytes from the marrow without markedly altering the cell cycle length or number of mitotic divisions involved in the differentiation process. Although the hormone has been purified, molecularly cloned and sequenced, its secondary and tertiary structure and active site have not been defined. Erythropoietin has both mitogenic and differentiation functions, and whether an erythroid progenitor cell responds to the hormone by proliferating or differentiating appears to depend on its level of maturation. Erythroid progenitor cells are responsive to a variety of growth and developmental agents but only erythropoietin appears obligatory in vivo for terminal differentiation. Erythropoietin interacts with its target cells through specific high-affinity receptors and Ca2+ may be involved in the receptor-ligand interaction. Ca2+ may also be involved in the induction of differentiation by erythropoietin. An increase in RNA synthesis due to activation of transcription is one of the earliest recognized effects of the hormone and appears not to require protein or DNA synthesis but the initial sequence of biochemical events triggered by erythropoietin is still undefined.
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188
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Souza LM, Boone TC, Gabrilove J, Lai PH, Zsebo KM, Murdock DC, Chazin VR, Bruszewski J, Lu H, Chen KK, Barendt J, Platzer E, Moore MAS, Mertelsmann R, Welte K. Recombinant human granulocyte colony-stimulating factor: effects on normal and leukemic myeloid cells. Science 1986. [DOI: 10.1126/science.232.4746.61] [Citation(s) in RCA: 126] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Experiments were conducted to isolate and characterize the gene and gene product of a human hematopoietic colony-stimulating factor with pluripotent biological activities. This factor has the ability to induce differentiation of a murine myelomonocytic leukemia cell line WEHI-3B(D+) and cells from patients with newly diagnosed acute nonlymphocytic leukemia (ANLL). A complementary DNA copy of the gene encoding a pluripotent human granulocyte colony-stimulating factor (hG-CSF) was cloned and expressed in Escherichia coli. The recombinant form of hG-CSF is capable of supporting neutrophil proliferation in a CFU-GM assay. In addition, recombinant hG-CSF can support early erythroid colonies and mixed colony formation. Competitive binding studies done with 125I-labeled hG-CSF and cell samples from two patients with newly diagnosed human leukemias as well as WEHI-3B(D+) cells showed that one of the human leukemias (ANLL, classified as M4) and the WEHI-3B(D+) cells have receptors for hG-CSF. Furthermore, the murine WEHI-3B(D+) cells and human leukemic cells classified as M2, M3, and M4 were induced by recombinant hG-CSF to undergo terminal differentiation to macrophages and granulocytes. The secreted form of the protein produced by the bladder carcinoma cell line 5637 was found to be O-glycosylated and to have a molecular weight of 19,600.
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189
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Souza LM, Boone TC, Gabrilove J, Lai PH, Zsebo KM, Murdock DC, Chazin VR, Bruszewski J, Lu H, Chen KK, Barendt J, Platzer E, Moore MAS, Mertelsmann R, Welte K. Recombinant human granulocyte colony-stimulating factor: effects on normal and leukemic myeloid cells. Science 1986; 232:61-5. [PMID: 2420009 DOI: 10.1126/science.2420009] [Citation(s) in RCA: 831] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Experiments were conducted to isolate and characterize the gene and gene product of a human hematopoietic colony-stimulating factor with pluripotent biological activities. This factor has the ability to induce differentiation of a murine myelomonocytic leukemia cell line WEHI-3B(D+) and cells from patients with newly diagnosed acute nonlymphocytic leukemia (ANLL). A complementary DNA copy of the gene encoding a pluripotent human granulocyte colony-stimulating factor (hG-CSF) was cloned and expressed in Escherichia coli. The recombinant form of hG-CSF is capable of supporting neutrophil proliferation in a CFU-GM assay. In addition, recombinant hG-CSF can support early erythroid colonies and mixed colony formation. Competitive binding studies done with 125I-labeled hG-CSF and cell samples from two patients with newly diagnosed human leukemias as well as WEHI-3B(D+) cells showed that one of the human leukemias (ANLL, classified as M4) and the WEHI-3B(D+) cells have receptors for hG-CSF. Furthermore, the murine WEHI-3B(D+) cells and human leukemic cells classified as M2, M3, and M4 were induced by recombinant hG-CSF to undergo terminal differentiation to macrophages and granulocytes. The secreted form of the protein produced by the bladder carcinoma cell line 5637 was found to be O-glycosylated and to have a molecular weight of 19,600.
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190
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Abstract
The pattern of certain groups of antigens expressed on the surface of hemopoietic cells changes either during the course of differentiation from pluripotent stem cells to mature functional cells or as a function of the proliferative state of the cells. A map of these changes is emerging and is providing valuable information for selecting and purifying rare stem cells and for classifying the acute leukemias. This knowledge is also beginning to provide insights into physiological and pathological cellular interactions affecting the early stages of hemopoiesis, and is being exploited to remove T lymphocytes from allogeneic bone marrow grafts in order to prevent graft-vs.-host disease as well as leukemic cells from bone marrow before autologous reinfusion. In this article I will briefly review the cellular basis of hemopoiesis and then discuss the methods used to determine the presence of antigens on normal hemopoietic cells. I will then summarize the pattern of membrane antigens expressed during differentiation and conclude by discussing the biological and therapeutic implications.
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MESH Headings
- Animals
- Anion Exchange Protein 1, Erythrocyte/immunology
- Antibodies, Monoclonal
- Antigens, Surface/analysis
- Antigens, Surface/immunology
- Blood Group Antigens/immunology
- Blood Proteins/immunology
- Bone Marrow Transplantation
- Cell Communication
- Cell Differentiation
- Cell Membrane/immunology
- Erythropoiesis
- Glycophorins/immunology
- HLA Antigens/immunology
- Hematopoiesis
- Hematopoietic Stem Cells/immunology
- Histocompatibility Antigens Class II/immunology
- Humans
- Immunologic Techniques
- Leukemia, Myeloid, Acute/classification
- Leukemia, Myeloid, Acute/immunology
- Lymphocytes/immunology
- Membrane Proteins/immunology
- Nucleoside Transport Proteins
- Receptors, Cell Surface/immunology
- Receptors, Colony-Stimulating Factor
- Receptors, Erythropoietin
- Receptors, Transferrin
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191
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Sieff CA, Emerson SG, Mufson A, Gesner TG, Nathan DG. Dependence of highly enriched human bone marrow progenitors on hemopoietic growth factors and their response to recombinant erythropoietin. J Clin Invest 1986; 77:74-81. [PMID: 3511093 PMCID: PMC423311 DOI: 10.1172/jci112305] [Citation(s) in RCA: 66] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Human bone marrow cells were sequentially fractionated by three negative selection steps to remove adherent cells and Fc receptor-bearing cells, followed by immune adsorption (panning) to deplete maturing cells that react with a panel of monoclonal antibodies. This nonadherent Fc receptor and antibody negative fraction could be further enriched by a positive selection "panning" step, using an antibody to HLA-DR antigen; 12-27% of the cells formed erythroid burst-forming unit (BFU-E), erythroid colony-forming unit, granulocyte-monocyte colony-forming unit, and erythroid and granulocyte and/or monocyte colony-forming unit-derived colonies with recovery of 0.5-1% of the cells and 20-100% of the colony-forming cells. Sequential fractionation resulted in increasing dependence of a subset of BFU-E-derived colonies on exogenous burst-promoting activity (BPA) for proliferation in culture, but the most enriched progenitor fraction still contained a proportion of accessory cell or BPA-independent BFU-E that responded to either natural or biosynthetic erythropoietin when added to cultures on day 0 in the absence of BPA. If the addition of erythropoietin was delayed until day 3, the data suggest that this population of BFU-E either died or became unresponsive to erythropoietin. Delayed addition of erythropoietin to cultures of enriched progenitors provided a sensitive BPA assay, since BPA-independent but erythropoietin-responsive BFU-E were eliminated. The surviving BFU-E that were dependent for their proliferation on the presence of both BPA and erythropoietin showed a characteristic dose response to increasing BPA concentrations.
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