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Mizukami T, Kuramitsu M, Takizawa K, Momose H, Masumi A, Naito S, Iwama A, Ogawa T, Noce T, Hamaguchi I, Yamaguchi K. Identification of transcripts commonly expressed in both hematopoietic and germ-line stem cells. Stem Cells Dev 2008; 17:67-80. [PMID: 18240954 DOI: 10.1089/scd.2007.0077] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Germ-line stem cells (GSCs) constitute a stem cell population with remarkable stability and proliferative potential in vitro and are a useful model for studying the mechanism of self-renewal and "stemness" function of committed tissue stem cells. To identify GSC-specific genes, we performed subtractive hybridization using cDNA from GSCs, testis, and embryonic stem (ES) cells, and successfully identified 11 genes highly expressed in GSCs. Histological analysis confirmed expression of Cry alpha b, Mcpt8, Cxcl5, Fth1, Ctla2 alpha, and Spp1 in undifferentiated spermatogonia on the basement membrane area of the seminiferous epithelium of the testis, where the GSC niche is thought to be located. Among GSC-specific genes, quantitative PCR analysis showed seven genes-Fth1, Cry alpha b, Spp1, Bcap31, Arhgap1, Ctla2 alpha, and Serpina3g-to be common transcripts highly expressed in hematopoietic stem cells (HSCs). Histological analysis confirmed that Ctla2 alpha-, Serpina3g-, and Spp1-expressing cells were observed in the trabecular bone region of the bone marrow, where the HSC niche is located. Furthermore, histological analysis revealed that only Spp1 was expressed in the hair follicle bulge in the area of the hair follicle stem cell niche. Thus, identifying stemness genes by comparative analysis to GSCs is a powerful tool with which to explore the fundamental commonalities of HSCs and other stem cell types.
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Affiliation(s)
- Takuo Mizukami
- Department of Safety Research on Blood and Biological Products, National Institute of Infectious Diseases, Tokyo, Japan
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2
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Christensen JL, Wright DE, Wagers AJ, Weissman IL. Circulation and chemotaxis of fetal hematopoietic stem cells. PLoS Biol 2004; 2:E75. [PMID: 15024423 PMCID: PMC368169 DOI: 10.1371/journal.pbio.0020075] [Citation(s) in RCA: 234] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2003] [Accepted: 01/07/2004] [Indexed: 12/21/2022] Open
Abstract
The major site of hematopoiesis transitions from the fetal liver to the spleen and bone marrow late in fetal development. To date, experiments have not been performed to evaluate functionally the migration and seeding of hematopoietic stem cells (HSCs) during this period in ontogeny. It has been proposed that developmentally timed waves of HSCs enter the bloodstream only during distinct windows to seed the newly forming hematopoietic organs. Using competitive reconstitution assays to measure HSC activity, we determined the localization of HSCs in the mid-to-late gestation fetus. We found that multilineage reconstituting HSCs are present at low numbers in the blood at all timepoints measured. Seeding of fetal bone marrow and spleen occurred over several days, possibly while stem cell niches formed. In addition, using dual-chamber migration assays, we determined that like bone marrow HSCs, fetal liver HSCs migrate in response to stromal cell-derived factor-1α (SDF-1α); however, unlike bone marrow HSCs, the migratory response of fetal liver HSCs to SDF-1α is greatly increased in the presence of Steel factor (SLF), suggesting an important role for SLF in HSC homing to and seeding of the fetal hematopoietic tissues. Together, these data demonstrate that seeding of fetal organs by fetal liver HSCs does not require large fluxes of HSCs entering the fetal bloodstream, and that HSCs constitutively circulate at low levels during the gestational period from 12 to 17 days postconception. Newly forming hematopoietic tissues are seeded gradually by HSCs, suggesting initial seeding is occurring as hematopoietic niches in the spleen and bone marrow form and become capable of supporting HSC self-renewal. We demonstrate that fetal and adult HSCs exhibit specific differences in chemotactic behavior. While both migrate in response to SDF-1α, fetal HSCs also respond significantly to the cytokine SLF. In addition, the combination of SDF-1α and SLF results in substantially enhanced migration of fetal HSCs, leading to migration of nearly all fetal HSCs in this assay. This finding indicates the importance of the combined effects of SLF and SDF-1α in the migration of fetal HSCs, and is, to our knowledge, the first demonstration of a synergistic effect of two chemoattractive agents on HSCs. New results on the migratory behavior of blood cell precursors in the early embryo might be relevant to bone marrow transplants and other clinical therapies
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Affiliation(s)
- Julie L Christensen
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
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3
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Abstract
In the adult, tissue-specific stem cells are thought to be responsible for the replacement of differentiated cells within continuously regenerating tissues, such as the liver, skin, and blood system. In this review, we will consider the factors that influence stem cell fate, taking as a primary example the cell fate determination of hematopoietic stem cells.
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Affiliation(s)
- A J Wagers
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
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4
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Sieber-Blum M. Growth factor synergism and antagonism in early neural crest development. Biochem Cell Biol 1998. [DOI: 10.1139/o99-016] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
This review article focuses on data that reveal the importance of synergistic and antagonistic effects in growth factor action during the early phases of neural crest development. Growth factors act in concert in different cell lineages and in several aspects of neural crest cell development, including survival, proliferation, and differentiation. Stem cell factor (SCF) is a survival factor for the neural crest stem cell. Its action is neutralized by neurotrophins, such as nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and neurotrophin-3 (NT-3) through apoptotic cell death. In contrast, SCF alone does not support the survival of melanogenic cells (pigment cell precursors). They require the additional presence of a neurotrophin (NGF, BDNF, or NT-3). Fibroblast growth factor-2 (FGF-2) is an important promoter of proliferation in neuronal progenitor cells. In neural crest cells, fibroblast growth factor treatment alone does not lead to cell expansion but also requires the presence of a neurotrophin. The proliferative stimulus of the fibroblast growth factor - neurotrophin combination is antagonized by transforming growth factor beta-1 (TGFbeta-1). Moreover, TGFbeta-1 promotes the concomitant expression of neuronal markers from two cell lineages, sympathetic neurons and primary sensory neurons, indicating that it acts on a pluripotent neuronal progenitor cell. Moreover, the combination of FGF-2 and NT3, but not other neurotrophins, promotes expression or activation of one of the earliest markers expressed by presumptive sympathetic neuroblasts, the norepinephrine transporter. Taken together, these data emphasize the importance of the concerted action of growth factors in neural crest development at different levels and in several cell lineages. The underlying mechanisms involve growth-factor-induced dependence of the cells on other factors and susceptibility to growth-factor-mediated apoptosis.Key words: neural crest, melanocyte, stem cell factor, neurotrophin-3, transforming growth factor-beta1, apoptosis, norepinephrine transporter.
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5
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Lecoin L, Lahav R, Martin FH, Teillet MA, Le Douarin NM. Steel and c-kit in the development of avian melanocytes: a study of normally pigmented birds and of the hyperpigmented mutant silky fowl. Dev Dyn 1995; 203:106-18. [PMID: 7544170 DOI: 10.1002/aja.1002030111] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
We describe here the expression of c-kit and Steel (Sl) genes during the development of melanocytes in normally pigmented strains of chick and quail compared to unpigmented (White Leghorn) and hyperpigmented (Silky Fowl) strains of chickens. By using the quail/chick chimera system, we found that the neural crest cells, which migrate dorso-laterally in the subectodermal mesenchyme to give rise to the melanocytes, express c-kit as early as E4, that is about 2 days after they have left the neural primordium. The Sl gene is expressed from E4 onward in the epidermis but not at all in the dermis at any developmental stage. As feather buds develop, Sl mRNA becomes restricted to the apical region of the feather filaments. During formation of the barbs and barbules of the down feather, production of the Steel factor is restricted to the external epidermal cells of the barbules. The cell bodies of the c-kit-positive melanocytes are then located in the internal border of the epidermal ridges and extend their processes toward the source of the Steel factor. We propose that the spatial restriction of Sl gene activity at that stage accounts for the morphology of the melanocytes and their vectorial secretion of melanin to the external barbule cells. As a whole, these results show that during skin development c-kit positive cells are present in the Steel factor-producing areas at the time when melanoblasts proliferate and differentiate. Interestingly, in the mouse, previous studies showed that the Sl gene is activated in the dermis where melanoblasts undergo most of their expansion (Nishikawa et al. [1991] EMBO J. 10:2111-2118). In the unpigmented and hyperpigmented mutants that we studied, expression of the Sl message, as judged quantitatively in Northern blots (for the SF embryos) or spatially by in situ hybridization, is similar to that observed in normal birds. In SF embryos the c-kit expressing melanoblasts migrate initially in the dorso-lateral migration pathway as in normal birds. However their number increases considerably in the dermis from E5 onward. From E7, they invade mesodermally derived organs that do not express the Sl gene. This suggests that another, still unknown, factor(s) is responsible for the survival, the proliferation, and the extensive spreading of melanocytic cells within the mesoderm of this mutant.
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Affiliation(s)
- L Lecoin
- Institut d'Embryologie Cellulaire et Moléculaire du CNRS, Nogent-sur-Marne, France
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6
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Mauch P, Constine L, Greenberger J, Knospe W, Sullivan J, Liesveld JL, Deeg HJ. Hematopoietic stem cell compartment: acute and late effects of radiation therapy and chemotherapy. Int J Radiat Oncol Biol Phys 1995; 31:1319-39. [PMID: 7713791 DOI: 10.1016/0360-3016(94)00430-s] [Citation(s) in RCA: 351] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The bone marrow is an important dose-limiting cell renewal tissue for chemotherapy, wide-field irradiation, and autologous bone marrow transplantation. Over the past 5-10 years a great deal has been discovered about the hematopoietic stem cell compartment. Although the toxicity associated with prolonged myelosuppression continues to limit the wider use of chemotherapy and irradiation, ways are being discovered to circumvent this toxicity such as with the increasing use of cytokines. This review describes what is known of how chemotherapy and irradiation damage stem cells and the microenvironment, how cytokines protect hematopoietic cells from radiation damage and speed marrow recovery after chemotherapy or marrow transplantation, and how various types of blood marrow cells contribute to engraftment and long-term hematopoiesis after high doses of cytotoxic agents and/or total body irradiation.
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Affiliation(s)
- P Mauch
- Joint Center for Radiation Therapy, Department of Radiation Oncology, Harvard Medical School, Boston, MA 02115, USA
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7
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Kao KR, Bernstein A. Expression of Xkl-1, a Xenopus gene related to mammalian c-kit, in dorsal embryonic tissue. Mech Dev 1995; 50:57-69. [PMID: 7605752 DOI: 10.1016/0925-4773(94)00325-h] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In mice, the Kit receptor tyrosine kinase and its ligand, Steel factor, are required for melanogenesis, hematopoesis and gametogenesis We have identified a Xenopus gene, Xkl-1 (Xenopus Kit-like-1) whose predicted protein has striking sequence identity in the catalytic domain and kinase insert to that of c-kit. Xkl-1 is expressed only in dorsal tissues such as the nervous system, notochord and somites of neurulae. Ultraviolet irradiated embryos and animal caps treated with basic FGF unexpectedly express Xkl-1, since they are considered to develop only ventral type tissues. These observations raise the hypothesis that Xkl-1 is involved in Xenopus dorsal development and that dorsal tissues inhibit the expression of Xkl-1 in ventral structures.
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Affiliation(s)
- K R Kao
- Division of Molecular and Developmental Biology, Samuel Lunenfeld Research Institute Mount Sinai Hospital, Toronto, Ontario, Canada
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8
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Dippel E, Haas N, Grabbe J, Schadendorf D, Hamann K, Czarnetzki BM. Expression of the c-kit receptor in hypomelanosis: a comparative study between piebaldism, naevus depigmentosus and vitiligo. Br J Dermatol 1995; 132:182-9. [PMID: 7534102 DOI: 10.1111/j.1365-2133.1995.tb05011.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
In order to investigate possible alterations in c-kit protein expression on epidermal melanocytes in different hypopigmentary disorders, we have examined skin specimens from one patient with piebaldism, one patient with naevus depigmentosus, and five patients with vitiligo. Cryosections were examined by immunohistochemistry using monoclonal antibodies against the c-kit protein (YB5.B8) and melanosomes (TA99). In piebaldism, hypomelanotic epidermis contained only a few TA99-positive epidermal melanocytes and no detectable c-kit protein, whereas in naevus depigmentosus the expression of c-kit protein was strong, and TA99 immunoreactivity was faint. In vitiligo lesions, no epidermal immunoreactivity for melanosomes or c-kit protein was found. Normally pigmented skin of all patients showed immunoreactivity of epidermal melanocytes for both c-kit protein and melanosomes. Different hypomelanotic lesions can thus be differentiated by absent melanocyte c-kit protein and low or no expression of melanosomal marker in piebaldism, normal c-kit but low melanosome expression in naevus depigmentosus, and the absence of all melanocyte markers in vitiligo.
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Affiliation(s)
- E Dippel
- Department of Dermatology, University Hospital R. Virchow, Freie Universität Berlin, Germany
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9
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Lahav R, Lecoin L, Ziller C, Nataf V, Carnahan JF, Martin FH, Le Douarin NM. Effect of the Steel gene product on melanogenesis in avian neural crest cell cultures. Differentiation 1994; 58:133-9. [PMID: 7534243 DOI: 10.1046/j.1432-0436.1995.5820133.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Mutations at the Steel (Sl) and dominant white spotting (W) loci affect three embryonic lineages: primordial germ cells, hemopoietic stem cells and neural-crest-derived melanocytes. The gene products of these loci are a peptide growth factor, called here stem cell factor (SCF), and its tyrosine kinase receptor, the proto-oncogene c-kit. We have studied how chicken recombinant SCF affects the development of melanocytes from quail neural crest cells in secondary culture under defined conditions. We observed that the total number of neural crest cells, of melanocytes and of their precursors was higher in the presence than in the absence of SCF. Labelling with bromodeoxyuridine showed that SCF had a modest and transient mitogenic effect on the neural crest population. SCF also enhanced the differentiation rate of melanocyte precursors, recognized by the "melanocyte early marker" monoclonal antibody (MelEM MAb), and of melanocytes, since the proportion of both subpopulations significantly increased in the presence of SCF. Finally, SCF increased the survival of the neural crest population since in its presence the total number of cells remained stable while it gradually declined in control cultures. Our results support the notion that SCF sustains the survival of the neural crest population and stimulates the rate of the melanogenic differentiation process.
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Affiliation(s)
- R Lahav
- Institut d'Embryologie Cellulaire et Moléculaire, Centre National de la Recherche Scientifique et du Collège de France, Nogent-sur-Marne
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10
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Fletcher FA, Williams DE. Recent progress in the discovery and invention of novel hematopoietic cytokines. Crit Rev Oncol Hematol 1992; 13:1-15. [PMID: 1280440 DOI: 10.1016/1040-8428(92)90013-g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
- F A Fletcher
- Department of Experimental Hematology, Immunex R&D Corp., Seattle, WA 98101
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11
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Rolink A, Streb M, Nishikawa S, Melchers F. The c-kit-encoded tyrosine kinase regulates the proliferation of early pre-B cells. Eur J Immunol 1991; 21:2609-12. [PMID: 1717287 DOI: 10.1002/eji.1830211044] [Citation(s) in RCA: 88] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A monoclonal antibody (mAb; ACK2) recognizing the extracellular domains of the c-kit-encoded tyrosine kinase has been employed to demonstrate that c-kit is involved in B lymphocyte development. The c-kit-encoded tyrosine kinase is expressed on the surface of normal DHJH-rearranged murine pre-B cell clones which proliferate continuously at that stage in vitro on stromal cells and in the presence of recombinant interleukin 7. These pre-B cell clones, capable of differentiation to surface immunoglobulin-positive B cells in vitro and in vivo, are inhibited by the mAb in their proliferation while remaining capable of differentiation to surface immunoglobulin-positive B cells. Stimulation of mature B cells by mitogens is unimpaired by the mAb. This indicates that c-kit regulates early antigen-independent, but not late antigen-dependent, B cell development.
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Affiliation(s)
- A Rolink
- Basal Institute for Immunology, Switzerland
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12
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de Vries P, Brasel KA, Eisenman JR, Alpert AR, Williams DE. The effect of recombinant mast cell growth factor on purified murine hematopoietic stem cells. J Exp Med 1991; 173:1205-11. [PMID: 1708810 PMCID: PMC2118854 DOI: 10.1084/jem.173.5.1205] [Citation(s) in RCA: 106] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Pluripotent hematopoietic stem cells (PHSC) are very rare cells whose functional capabilities can only be analyzed indirectly. For a better understanding and possible manipulation of mechanisms that regulate self-renewal and commitment to differentiation of PHSC, it is necessary to purify these cells and to develop assays for their growth in vitro. In the present study, a rapid and simple, widely applicable procedure to highly purify day 14 spleen colony-forming cells (day 14 CFU-S) is described. Low density bone marrow cells (rho less than or equal to 1.078 g/cm3) were enriched by two successive light-activated cell sorting procedures. In the first sort, cells within a predetermined light scatter (blast cell) window that are wheat germ agglutinin/Texas Red (WGA/TxR) positive and mAb 15-1.4.1/fluorescein isothiocyanate negative (granulocyte-monocyte marker) were selected. In the second sort, cells were selected on the basis of retention of the supravital dye rhodamine 123 (Rh123). Cells that take up little Rh123 (Rh123 dull cells) and those that take up more Rh123 (Rh123 bright cells) were 237-fold and 132-fold enriched, respectively, for day 14 CFU-S. Both Rh123 fractions were cultured for various time periods in vitro in the presence of mast cell growth factor (MGF), with or without interleukin 3 (IL-3) or IL-1 alpha. Both Rh123 fractions proliferated in response to MGF alone as determined by a [3H]TdR assay or by counting nucleated cells present in the cultures over time. MGF also acted synergistically with both IL-3 and IL-1 alpha to promote stem cell proliferation. Stimulation of both Rh123 fractions with MGF alone did not result in a net increase of day 14 CFU-S. Stimulation with MGF + IL-3 or MGF + IL-alpha resulted in a 4.4- or 2.6-fold increase of day 14 CFU-S in the Rh123 dull fraction, and an 11.6-fold or 2.6-fold increase of day 14 CFU-S in the Rh123 bright fraction, respectively. The data presented in this paper indicate that in vitro MGF acts on primitive hematopoietic stem cells by itself and also is a potent synergistic factor in combination with IL-3 or IL-1 alpha.
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Affiliation(s)
- P de Vries
- Department of Experimental Hematology, Immunex Corporation, Seattle, Washington 98101
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13
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Rios M, Williams DA. Systematic analysis of the ability of stromal cell lines derived from different murine adult tissues to support maintenance of hematopoietic stem cells in vitro. J Cell Physiol 1990; 145:434-43. [PMID: 1703166 DOI: 10.1002/jcp.1041450307] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Hematopoietic stem cells interact with a complex microenvironment both in vivo and in vitro. In association with this microenvironment, murine stem cells are maintained in vitro for several months. Fibroblast-like stromal cells appear to be important components of the microenvironment, since several laboratories have demonstrated that cloned stromal cell lines support hematopoiesis in vitro. The importance of the tissue of origin of such cell lines remains unknown, since systematic generation of stromal cell lines from adult tissues has never been accomplished. In addition, the capacity of stromal cell lines to support reconstituting stem cell has not been examined. We have previously described an efficient and rapid method for the immortalization of primary bone marrow stromal cell lines (Williams et al., Mol. Cell. Biol. 8:3864-3871, 1988) which can be used to systematically derive cell lines from multiple tissues of the adult mouse. Here we report the immortalization of primary murine lung, kidney, skin, and bone marrow stromal cells using a recombinant retrovirus vector (U19-5) containing the simian virus large T antigen (SV40 LT) and the neophosphotransferase gene. The interaction of these stromal cells with factor-dependent cells Patterson-Mix (FDCP-Mix), colony forming units-spleen (CFU-S), and reconstituting hematopoietic stem cells was studied in order to analyze the ability of such lines to support multipotent stem cells in vitro. These studies revealed that stromal cell lines from these diverse tissues were morphologically and phenotypically similar and that they quantitatively bound CFU-S and FDCP-Mix cells equally well. However, only those cell lines derived from bone marrow-supported maintenance of day 12 CFU-S in vitro. One lung-derived stromal cell line, ULU-3, supported the survival of day 8 CFU-S, but not the more primitive CFU-S12. A bone marrow-derived stromal cell line, U2, supported the survival of long-term reconstituting stem cells for up to 3 weeks in vitro as assayed by reconstitution 1 year post-transplant. These studies suggest that adherence of HSC to stromal cells is necessary but not sufficient for maintenance of these stem cell populations and that bone marrow provides specific signals relating to hematopoietic stem cell survival and proliferation.
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Affiliation(s)
- M Rios
- Howard Hughes Medical Institute, Harvard Medical School, Boston, Massachusetts 02115
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14
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Anderson DM, Lyman SD, Baird A, Wignall JM, Eisenman J, Rauch C, March CJ, Boswell HS, Gimpel SD, Cosman D. Molecular cloning of mast cell growth factor, a hematopoietin that is active in both membrane bound and soluble forms. Cell 1990; 63:235-43. [PMID: 1698558 DOI: 10.1016/0092-8674(90)90304-w] [Citation(s) in RCA: 592] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We have previously reported the identification of a novel mast cell growth factor (MGF) that was shown to be a ligand for c-kit and is encoded by a gene that maps near the steel locus on mouse chromosome 10. We now report the cloning of cDNAs encoding the MGF protein. The MGF protein encoded by this cDNA can be expressed in a biologically active form as either a membrane bound protein or as a soluble factor. The soluble protein promotes the proliferation of MGF-responsive cell lines and, in the presence of erythropoietin, stimulates the formation of macroscopic [corrected] erythroid and multilineage hematopoietic colonies.
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Affiliation(s)
- D M Anderson
- Department of Molecular Biology, Immunex Corporation, Seattle, Washington 98101
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15
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Zsebo KM, Williams DA, Geissler EN, Broudy VC, Martin FH, Atkins HL, Hsu RY, Birkett NC, Okino KH, Murdock DC. Stem cell factor is encoded at the Sl locus of the mouse and is the ligand for the c-kit tyrosine kinase receptor. Cell 1990; 63:213-24. [PMID: 1698556 DOI: 10.1016/0092-8674(90)90302-u] [Citation(s) in RCA: 975] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
We have cloned a partial cDNA encoding murine stem cell factor (SCF) and show that the gene is syntenic with the Sl locus on mouse chromosome 10. Using retroviral vectors to immortalize fetal liver stromal cell lines from mice harboring lethal mutations at the Sl locus (Sl/Sl), we have shown that SCF genomic sequences are deleted in these lines. Furthermore, two other mutations at Sl, Sld and Sl12H, are associated with deletions or alterations of SCF genomic sequences. In vivo administration of SCF can reverse the macrocytic anemia and locally repair the mast cell deficiency of Sl/Sld mice. We have also provided biological and physical evidence that SCF is a ligand for the c-kit receptor.
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Affiliation(s)
- K M Zsebo
- AMGEN Inc., AMGEN Center, Thousand Oaks, California 91320
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16
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Williams DE, Eisenman J, Baird A, Rauch C, Van Ness K, March CJ, Park LS, Martin U, Mochizuki DY, Boswell HS. Identification of a ligand for the c-kit proto-oncogene. Cell 1990; 63:167-74. [PMID: 1698553 DOI: 10.1016/0092-8674(90)90297-r] [Citation(s) in RCA: 587] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We report the purification and N-terminal amino acid sequence of a novel mast cell growth factor, termed MGF, from the supernatants of a murine stromal cell line. A panel of interleukin 3-dependent cell lines were screened for responsiveness to partially purified MGF in [3H]thymidine incorporation assays; proliferative stimulation of these cells in response to MGF correlated with expression of mRNA for the c-kit protooncogene. MGF was shown to be a ligand for c-kit by cross-linking 125I-labeled MGF to c-kit-expressing cells with subsequent immunoprecipitation of the complex with antiserum specific for the C-terminus of c-kit. This establishes MGF as a ligand for the c-kit protein.
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Affiliation(s)
- D E Williams
- Department of Experimental Hematology, Immunex Corporation, Seattle, Washington 98101
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17
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Okamoto T, Anthony K, Mintz B. Abnormal development of genetically normal fetal hematopoietic stem cells in steel mutant mouse fetuses. Dev Biol 1985; 109:251-4. [PMID: 2859227 DOI: 10.1016/0012-1606(85)90366-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The role and possible transplantability of the early hematopoietic microenvironment was investigated by transplacental inoculation of fetal liver cells from normal donors into steel mutant early fetuses. Donor hematopoietic stem cells were able to lodge in the livers of recipients and to progress to the bone marrow postnatally. However, self-renewal of stem cells and production of differentiated blood cells was very limited in extent and duration after transplantation into mildly anemic steel as compared with Wv/+ heterozygotes. The microenvironmental defect known to exist (albeit undefined) in steel and not in W mutants thus adversely affects proliferation and differentiation of stem cells from the very inception of hepatic hematopoiesis and is not correctable by introducing normal stromal cells under the conditions of the experiment.
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18
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19
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Ploemacher RE, Brons NH. Characteristics of the CFU-s population in mice carrying the Slj allele. CELL AND TISSUE KINETICS 1984; 17:1-12. [PMID: 6362883 DOI: 10.1111/j.1365-2184.1984.tb00563.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A tentative characterization of haemopoietic stem cells with respect to their organ distribution, seeding fraction and colony formation in the spleen, radiosensitivity and humoral regulation was attempted in mice heterozygous for the mutant allele Slj and in their normal littermates. Slj/+ mice were characterized by a deficient CFU-s content of the blood and spleen and had slightly lower femoral CFU-s numbers. This CFU-s distribution could not be explained by differences in seeding efficiency 'f' between CFU-s of Slj/+ and +/+ origin in lethally irradiated recipients used in the CFU-s assay. The seeding fraction of CFU-s of +/+ origin did not differ in +/+ and Slj/+ recipients. However, in irradiated Slj/+ recipient mice a 30% decrease was observed in the number of the colonies derived from splenic and femoral CFU-s of both +/+ and Slj/+ origin. The serum level of SHSF (splenic haemopoiesis stimulating factor) was decreased in Slj/+ mice, but significantly increased in Sl/Sld mice, as compared to their respective normal +/+ littermates. Endogenous colony formation in Slj/+ spleens was deficient in comparison to that observed in +/+ spleens, and distinct sex differences were observed. However, mutant and normal CFU-s from spleen and bone marrow had a similar survival following in-vitro gamma irradiation. Femurs and spleens of both Slj/+ and +/+ origin were implanted into both Slj/+ and +/+ hosts. Six weeks later the Slj/+ grafts contained less CFU-s than the +/+ grafts. These data show that the splenic stroma of Slj/+ mice is not defective in its capacity to lodge injected CFU-s but is deficient in its ability to maintain CFU-s under 'steady-state' conditions and stimulate their colony formation in a 'perturbed state'. Some of the characteristics of Slj/+ mice segregate them from Sl/Sld mice, i.e. a deficient splenic CFU-s content, normal seeding fractions 'f' of CFU-s from spleen and bone marrow in the presence of an almost compensated anemia, and decreased serum levels of SHSF. The study of the Slj trait may be a useful extension of the current Sl/Sld model for exploration of hereditary defects in haematopoietic stroma.
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Latsinik LV, Sidorovich SY, Lazorenko-Manevich ER. Transfer of the hematopoietic microenvironment during heterotopic transplantation of a bone marrow cell suspension. Bull Exp Biol Med 1980. [DOI: 10.1007/bf00830418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Keller G, Longenecker M, Diener E. Hemopoietic colonies on the chorioallantoic membrane of the chick embryo: induction by embryonic, adherent, non-hemopoietic spleen cells. J Cell Physiol 1980; 102:351-65. [PMID: 7391145 DOI: 10.1002/jcp.1041020310] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Granulocytic and erythrocytic colonies developed on the chick embryo chorioallantoic membrane (CAM) following the inoculation of chick embryo spleen cells. Dose response and kinetic experiments showed that the colonies were derived from cell aggregates present in the inoculum. Dissociation and reaggregation studies of the CAM colony-inducing cells (CAM-CIC) indicated that these cells must be present as aggregates in order to form colonies. Results from the morphology and cell marker experiments suggested that the colony-inducing aggregates (CAM-CIA) attract and support the differentiation of primitive host hemopoietic cells. The physical characteristics of the CAM-CIC, which are different from those of the hemopoietic progenitor cells, indicated that they represent a stromal cell population of the chick embryo spleen. Further evidence supporting this notion was provided by the radiation studies which showed that the colony-inducing ability of the CAM-CIC is radioresistant. The above characteristics of the CAM-CIC strongly suggest that they represent the stromal cells of the chick embryo spleen which influence hemopoiesis.
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Abstract
In vitro culture of haematopoietic cells has provided some surprising insights into critical interactions of blood-forming cells. Subpopulations of lymphoid cells have been shown to produce colony-stimulating activity, to interact with macrophages, and to have important effects on the very early stages of erythropoiesis. Macrophages have multiple influences on the proliferation and differentiation of other haematopoietic cells.
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Adler SS, Trobaugh FE. Pluripotent (Cfu-S) and Granulocyte-Committed (Cfu-C) Stem Cells In Intact and89Sr Marrow-Ablated S1/S1DMice. Cell Prolif 1978. [DOI: 10.1111/j.1365-2184.1978.tb00827.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Beynon G. The influence of the autonomic nervous system in the control of erythropoietin secretion in the hypoxic rat. J Physiol 1977; 266:347-60. [PMID: 853452 PMCID: PMC1283569 DOI: 10.1113/jphysiol.1977.sp011771] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
1. Erythropoietin has been measured in the serum of hypoxic rats that have been exposed to 6 hr of hypoxia, by use of a biological assay. 2. The effects of section of splanchnic, renal and sinus nerves on the concentration of Erythropoietin present in the serum ofthe hypoxic animals has been investigated. 3. Serum levels of Erythropoietin were reduced in the hypoxic animals immediately after cutting the splanchnic nerves, but unaltered one week after the operation. 4. The concentration of Erythropoietin in the serum of hypoxic rats was increased by the secretion of the renal nerves. Section of the sinus nerves abolished the effect. 5. Elevated levels of Erythropoietin were present in the sera of hypoxic rats immediately after section of the sinus nerves. The effect was still obtained when the animals were exposed to hypoxia 1 week after cutting the nerves, though in attenuated form. 6. The rise in the concentration of the hormone after chronic section of the sinus nerves was estimated as as 261% (fiducial limits 167-513, P = 0-05), by parallel line bio-assay. 7. The concentration of Erythropoietin in the serum of hypoxic rats was progressively elevated as the arterial PO2 of the animals was reduced. Section of the sinus nerves did not alter the secretion of Erythropoietin in these experiments.
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Cline MJ, Le Fevre C, Golde DW. Organ interactions in the regulation of hematopoiesis: in vitro interactions of bone, thymus, and spleen with bone marrow stem cells in normal, Sl/Sld and W/Wv mice. J Cell Physiol 1977; 90:105-15. [PMID: 299858 DOI: 10.1002/jcp.1040900113] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Hematopoietic cell differentiation is influenced by organ-dependent microenvironmental factors as well as humoral regulators. A technique is described for examining certain aspects of the hemopoietic inductive microenvironment in vitro. Suspension and agar cultures of mouse bone marrow were used to study the effects of organ stromal factors on cellular proliferation and differentiation. Bone, spleen, and thymus fragments from irradiated mice were placed in direct contact with or separated by a Nuclepore membrane from syngeneic marrow cells growing in suspension cultures. Normal adult mouse bone and spleen influenced granulocytic differentiation as well as cell proliferation. In this system, bone marrow and organ fragments from W/Wv and SlSld mice behaved like those of their non-anemic littermates. The most prominent difference between W/Wv and Sl/Sla mice and their normal counterparts was observed in the inductionof CFU-C from splenic precursors un-er the influence of CSA. In both types of anemic mice, in vitro generation of CFU-C from spleen was abnormal in young animals but was corrected by four months of age.
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Kedo A, Barone J, Fried W. Regeneration of CFUs in the marrow of mice exposed to 300 rads after having recovered from 950 rads. CELL AND TISSUE KINETICS 1976; 9:541-6. [PMID: 1000567 DOI: 10.1111/j.1365-2184.1976.tb01303.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Exposure to 950 rads 60Co radiation has been reported to cause long-lasting damage to the hematopoietic stroma (HS), although the size of the CFUs population recovers to pre-irradiation levels. In these studies HS damage was detected only after subcutaneously implanting the femurs of the irradiated mice into syngeneic hosts. To exclude the possibility that what was considered to be HS damage was merely caused by artifacts due to the process of implantation in a new host, we compared the rate of regeneration of CFUs in mice which had recovered from 950 rads prior to receiving 300 rads 60Co radiation (950 + 300 rads group) with that of mice which received only 300 rads (0 + 300 rads group). The CFUs population in the 950 + 300 rads group grew exponentially for 2 weeks at a rate which did not differ significantly from that of CFUs in the 0 + 300 rads group. However, the rate of CFUs growth reached a plateau before full recovery was achieved in contrast to that in the 0 + 300 rads mice. We therefore conclude that the incomplete regeneration of CFUs in the marrows of 950 + 300 rads mice was most likely caused by X-irradiation-induced damage to the HS rather than damage to the inherent repopulating potential of the CFUs per se.
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Nigon V, Godet J. Genetic and morphogenetic factors in hemoglobin synthesis during higher vertebrate development: an approach to cell differentiation mechanisms. INTERNATIONAL REVIEW OF CYTOLOGY 1976; 46:79-176. [PMID: 791882 DOI: 10.1016/s0074-7696(08)60991-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Cole RJ, Regan T, White SL, Cheek EM. ERYTHROID AND GRANULOCYTE-MACROPHAGE PROGENITOR CELLS IN PRE-NATAL ‘STEEL’ (SlJ/SlJ) ANAEMIC MICE. Cell Prolif 1975. [DOI: 10.1111/j.1365-2184.1975.tb01234.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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McCarthy KF. In vivo colony formation by hematopoietic cells from mice of genotype Sl/Sld. CELL AND TISSUE KINETICS 1975; 8:397-8. [PMID: 1149076 DOI: 10.1111/j.1365-2184.1975.tb01504.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Mori KJ, Seto A, Ito Y. Enhancement of hemopoietic colony-formation in the mouse peritoneal cavity by the treatment with carbon particles. EXPERIENTIA 1974; 30:1467-8. [PMID: 4442557 DOI: 10.1007/bf01919699] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Chui DH, Russell ES. Fetal erythropoiesis in steel mutant mice. I. A morphological study of erythroid cell development in fetal liver. Dev Biol 1974; 40:256-69. [PMID: 4430409 DOI: 10.1016/0012-1606(74)90128-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Cole RJ, Tarbutt RG, Cheek EM, White SL. Expression of congenital defects in the haemopoietic micro-environment: pre-natal erythropoiesis in anaemic 'Steel' (Slj-Slj) mice. CELL AND TISSUE KINETICS 1974; 7:463-77. [PMID: 4472766 DOI: 10.1111/j.1365-2184.1974.tb00430.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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