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Wang Z, Shi Y, Liu H, Liang Z, Zhu Q, Wang L, Tang B, Miao S, Ma N, Cen X, Ren H, Dong Y. Establishment and characterization of a DOT1L inhibitor-sensitive human acute monocytic leukemia cell line YBT-5 with a novel KMT2A-MLLT3 fusion. Hematol Oncol 2019; 37:617-625. [PMID: 31701557 DOI: 10.1002/hon.2686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/22/2019] [Accepted: 10/01/2019] [Indexed: 11/07/2022]
Abstract
Immortalized cell lines are useful for deciphering the pathogenesis of acute leukemia and developing novel therapeutic agents against this malignancy. In this study, a new human myeloid leukemia cell line YBT-5 was established. After more than 1-year cultivation from the bone marrow of a patient with acute monocytic leukemia, YBT cell line was established. Then a subclone, YBT-5, was isolated from YBT using single cell sorting. Morphological and cytogenetical characterizations of the YBT-5 cell line were determined by cytochemical staining, flow cytometry analysis, and karyotype analysis. Molecular features were identified by transcriptomic analysis and reverse transcription-polymerase chain reaction. To establish a tumor model, 5 × 106 YBT-5 cells were injected subcutaneously in nonobese diabetic/severe combined immune-deficiency (NOD/SCID) mice. DOT1L has been proposed as a potential therapeutic target for KMT2A-related leukemia; therefore, to explore the potential application of this new cell line, its sensitivity to a specific DOT1L inhibitor, EPZ004777 was measured ex vivo. The growth of YBT-5 does not depend on granulocyte-macrophage colony-stimulating factor. Cytochemical staining showed that α-naphthyl acetate esterase staining was positive and partially inhibited by sodium fluoride, while peroxidase staining was negative. Flow cytometry analysis of YBT-5 cells showed positive myeloid and monocytic markers. Karyotype analysis of YBT-5 showed 48,XY,+8,+8. The breakpoints between KMT2A exon 10 and exon 11 (KMT2A exon 10/11) and MLLT3 exon 5 and exon 6 (MLLT3 exon 5/6) were identified, which was different from all known breakpoint locations, and a novel fusion transcript KMT2A exon 10/MLLT3 exon 6 was formed. A tumor model was established successfully in NOD/SCID mice. EPZ004777 could inhibit the proliferation and induce the differentiation of YBT-5 cells. Therefore, a new acute monocytic leukemia cell line with clear biological and molecular features was established and may be used in the research and development of new agents targeting KMT2A-associated leukemia.
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Affiliation(s)
- Zhenhua Wang
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Yongjin Shi
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Huihui Liu
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Zeyin Liang
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Qiang Zhu
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Lihong Wang
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Bo Tang
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Shengchao Miao
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Ning Ma
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Xinan Cen
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Hanyun Ren
- Department of Hematology, Peking University First Hospital, Beijing, China
| | - Yujun Dong
- Department of Hematology, Peking University First Hospital, Beijing, China
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Fu JF, Hsu CL, Shih LY. MLL/AF10(OM-LZ)-immortalized cells expressed cytokines and induced host cell proliferation in a mouse bone marrow transplantation model. Int J Cancer 2010; 126:1621-9. [PMID: 19711340 DOI: 10.1002/ijc.24867] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Several mouse models studying the MLL fusion-induced leukemic transformation showed that a myeloproliferation stage precedes leukemia or occurred as the only phenotype of hematological disorder in mice. We established 6 MLL/AF10(OM-LZ)-immortalized cell lines by retrovirally transducing the fusion gene into bone marrow cells from B6 or congenic GFP-B6 mice. Immunophenotypic and cytological analyses revealed that the immortalized cell lines could be divided into 2 types. Type I had a high percentage of cells expressing monocytic lineage marker CD115 in the medium containing IL3 and could terminally differentiate into granulocytes and monocytes in response to granulocyte colony-stimulating factor (G-CSF) and macrophage colony-stimulating factor (M-CSF) treatments, respectively. On the other hand, type II had a low percentage of cells expressing CD115. The type II cell lines could not differentiate into granulocytes by G-CSF treatment and died rapidly in response to M-CSF treatment. Transplantation of both types I and II cells induced lethal myeloproliferative disease (MPD)-like myeloid leukemia in most of the sublethally irradiated B6 mice. Flow cytometric analysis of GFP and lineage markers of the peripheral blood cells from MPD mice revealed that the monocytes and granulocytes were generated not only from the donor cells but also from the host cells. RT-PCR analysis revealed that the MLL/AF10(OM-LZ)-immortalized cells expressed mRNAs encoding colony-stimulating factors (CSFs) of M-CSF and GM-CSF and inflammatory cytokines of IL-1alpha, IL-1beta and TNF-alpha. Our results showed that the MLL/AF10(OM-LZ)-immortalized cells could induce host cell proliferation in the transplanted mice, probably through stimulation by CSFs or cytokines produced by the donor cells.
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Affiliation(s)
- Jen-Fen Fu
- Department of Medical Research, Chang Gung Memorial Hospital, and Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan, Taiwan
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3
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Montemurro L, Tonelli R, Fazzina R, Martino V, Marino F, Pession A. Identification of two MLL-MLLT3 (alias MLL-AF9) chimeric transcripts in the MOLM-13 cell line. ACTA ACUST UNITED AC 2004; 154:96-7. [PMID: 15381384 DOI: 10.1016/j.cancergencyto.2004.01.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Quentmeier H, Dirks WG, Macleod RAF, Reinhardt J, Zaborski M, Drexler HG. Expression of HOX genes in acute leukemia cell lines with and without MLL translocations. Leuk Lymphoma 2004; 45:567-74. [PMID: 15160920 DOI: 10.1080/10428190310001609942] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
In primary cells from acute leukemia patients, expression of the genes MEIS1, HOXA5, HOXA7 and HOXA9 has been reported to be correlated with the occurrence of MLL translocations. It was our aim to find out whether MLL mutant (MLLmu) and MLL wild-type (MLLwt) acute leukemia-derived cell lines might likewise be discriminated on the basis of HOX gene expression. Southern blot analysis, performed to verify the MLL status of the cells, showed that NOMO-1 was the only cell line not tested previously carrying a rearranged MLL gene. Fluorescence in situ hybridization analysis demonstrated that this cell line exhibited a reciprocal t(9;11)(q23;p22). Sequencing of RT-PCR products thereof identified unique MLL exon 10/AF-9 exon 5 fusion transcripts. We divided the acute leukemia-derived cell lines (n = 37) according to the results of Southern blot analysis into MLLmu (n = 19) and MLLwt (n = 18). Expression of HOX genes was then analyzed by applying reverse transcriptase-polymerase chain reaction, Northern and Western blot analyses. Acute myeloid leukemia (AML) cell lines expressed the HOX genes significantly more often than acute lymphoblastic (ALL) cell lines. In ALL, cells with MLL translocations expressed the genes 4 times more often than MLLwt cells. Most distinct was the correlation between MLL status and MEIS1 expression in ALL-derived cell lines: 8/8 MLLmu but 0/10 MLLwt cell lines expressed MEIS1. Northern and Western blot analysis confirmed that also HOXA9 and FLT3 were significantly more often and stronger expressed in MLLmu than in MLLwt ALL cell lines. These results suggest that MLL aberrations may regulate MEIS1 and HOXA9 gene expression in ALL-derived cell lines, while AML-derived cell lines express these genes independently of the MLL status.
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Affiliation(s)
- Hilmar Quentmeier
- DSMZ--German Collection of Microorganisms and Cell Cultures, Department of Human and Animal Cell Cultures, Braunschweig, Germany.
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5
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Ikeda T, Nakata Y, Kimura F, Sato K, Anderson K, Motoyoshi K, Sporn M, Kufe D. Induction of redox imbalance and apoptosis in multiple myeloma cells by the novel triterpenoid 2-cyano-3,12-dioxoolean-1,9-dien-28-oic acid. Mol Cancer Ther 2004. [DOI: 10.1158/1535-7163.39.3.1] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
The synthetic oleanane triterpenoid 2-cyano-3,12-dioxoolean-1,9-dien-28-oic acid (CDDO) and its chemical derivatives induce differentiation and apoptosis of human leukemia cells. The precise mechanisms responsible for the effects of CDDO, however, remain unclear. In the present study, we examined the effects of CDDO and its C-28 imidazolide ester (CDDO-Im) on apoptosis of multiple myeloma (MM) cells. The results show that both CDDO and CDDO-Im are potent inducers of MM cell apoptosis and that CDDO-Im is more active than CDDO. CDDO-Im treatment was associated with (a) depletion of glutathione, (b) increases in reactive oxygen species, (c) a reduction of the Fas-associated death domain (FADD)-like interleukin-1-converting enzyme (FLICE) inhibitory protein, (d) activation of caspase-8, and (e) a decrease of the mitochondrial transmembrane potential. The reducing agents, N-acetyl-l-cysteine, DTT, and catalase inhibited each of these CDDO-Im-induced proapoptotic signals. Inhibition of caspase-8 with z-IETD-fmk also abrogated CDDO-Im-induced decreases of the mitochondrial transmembrane potential and inhibited apoptosis. These results demonstrate that CDDO-Im disrupts intracellular redox balance and thereby activates the extrinsic caspase-8-dependent apoptotic pathway. We further show that CDDO-Im induces apoptosis of primary MM cells at submicromolar concentrations and that MM cells are more sensitive to this agent than normal bone marrow mononuclear cells. These results suggest that CDDO compounds have potential as new agents for the treatment of MM.
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Affiliation(s)
- Takashi Ikeda
- 1Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Yukiko Nakata
- 2Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan; and
| | - Fumihiko Kimura
- 2Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan; and
| | - Ken Sato
- 2Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan; and
| | - Kenneth Anderson
- 1Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Kazuo Motoyoshi
- 2Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan; and
| | - Michael Sporn
- 3Department of Pharmacology, Dartmouth College, Hanover, NH
| | - Donald Kufe
- 1Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
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Drexler HG, Quentmeier H, MacLeod RAF. Malignant hematopoietic cell lines: in vitro models for the study of MLL gene alterations. Leukemia 2003; 18:227-32. [PMID: 14671638 DOI: 10.1038/sj.leu.2403236] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Human tumor cell lines are powerful tools for investigating basic and applied aspects of cell biology. Leukemia-lymphoma cell lines have been instrumental in the cytogenetic and molecular analysis of recurring chromosome rearrangements, notably translocations and inversions, thus illuminating the pathogenesis of hematological malignancy. Chromosomal translocations targeting the MLL gene at 11q23 have come to represent a paradigm in acute leukemias. These translocations result in the in-frame joining of the MLL gene with a partner gene to generate unique fusion proteins of putatively novel function. More than 30 partner genes that participate with MLL in the more than 60 known 11q23 translocations have been reported. Cell lines provide territory to both explore the detailed structures of 11q23 translocations and investigate the leukemogenic activities of MLL fusion proteins. We review here the leukemia cell lines that have been described to carry 11q23 translocations and MLL fusion genes. Except for the t(10;11)(p12;q23), each of the following relatively frequent 11q23/MLL translocations is represented by one or more cell lines: 16 cell lines with t(4;11)(q21;q23), two cell lines with t(6;11)(q27;q23), seven cell lines with t(9;11)(p22;q23), and eight cell lines with t(11;19)(q23;p13). For each of three rare translocations, one cell line has been reported: t(5;11)(q15;q23), t(11;16)(q23;p13), and t(X;11)(q13;q23). Of these 36 cell lines with 11q23 translocations, 17 have been made available to us; we confirmed the occurrence of the alterations reported in these cell lines at the chromosomal and/or gene level. A second type of MLL gene alteration is the partial tandem duplication (PTD), which occurs in acute myeloid leukemia (AML). We found four AML cell lines with an MLL PTD; one acute lymphoblastic leukemia-derived cell line was reported to show a partial nontandem duplication. Finally, a third rearrangement involves intrachromosomal amplification of the unrearranged MLL gene leading to multiple copies of the gene and (presumably) increased expression. Three cell lines carrying such MLL amplifications have been described. The availability of these cell lines as model systems provides the opportunity to explore the altered expression or functions of MLL genes and their partners in oncogenesis.
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Affiliation(s)
- H G Drexler
- DSMZ-German Collection of Microorganisms and Cell Cultures, Department of Human and Animal Cell Cultures, Braunschweig, Germany.
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7
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Pession A, Martino V, Tonelli R, Beltramini C, Locatelli F, Biserni G, Franzoni M, Freccero F, Montemurro L, Pattacini L, Paolucci G. MLL-AF9 oncogene expression affects cell growth but not terminal differentiation and is downregulated during monocyte–macrophage maturation in AML-M5 THP-1 cells. Oncogene 2003; 22:8671-6. [PMID: 14647461 DOI: 10.1038/sj.onc.1207125] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The MLL-AF9 oncogene - one of the most frequent MLL/HRX/ALL-1 rearrangements found in infantile and therapy-related leukaemias - originates from t(9;11)(p22;q23) and is mainly associated with monocytic acute myeloid leukaemia (AML-M5; FAB-classification). Here, we investigated the MLL-AF9 function by means of an antisense phosphorothioate-oligodeoxyribonucleotide (MLL-AF9-PS-ODNas) using the THP-1 AML-M5 cell line carrying t(9;11). Having confirmed that MLL-AF9-PS-ODNas induces strong inhibition of THP-1 cell growth, but only a moderate increase in apoptosis, we found that MLL-AF9-PS-ODNas did not induce morpho-functional terminal differentiation or restore M-CSF-, G-CSF- or GM-CSF-induced differentiation. Moreover, THP-1 cells showed the same phenotype with/without MLL-AF9-PS-ODNas. In THP-1 cells differentiated to mature macrophage-like cells by PMA/TPA or ATRA, MLL-AF9 expression was downregulated. Thus, in the monocytic lineage, MLL-AF9 may be expressed only in early phases and can induce deregulated amplification in both nonmalignant and malignant cells, maintaining the monocytic phenotype without blocking final maturation. Our findings suggest that: (1) as well as directly promoting cell growth, MLL-AF9 may also indirectly determine phenotype; (2) other leukaemogenic mutations associated with MLL-AF9-related leukaemias should be searched for mainly in processes of resistance to apoptosis (where MLL-AF9 may play only a limited role) and differentiation blockage (where MLL-AF9 may play no role).
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Affiliation(s)
- Andrea Pession
- Department of Paediatrics, University of Bologna, Policlinico S. Orsola Malpighi, 40138 Bologna, Italy.
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8
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Quentmeier H, Reinhardt J, Zaborski M, Drexler HG. MLL partial tandem duplications in acute leukemia cell lines. Leukemia 2003; 17:980-1. [PMID: 12750714 DOI: 10.1038/sj.leu.2402911] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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9
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Ikeda T, Sato K, Kuwada N, Matsumura T, Yamashita T, Kimura F, Hatake K, Ikeda K, Motoyoshi K. Interleukin‐10 differently regulates monocyte chemoattractant protein‐1 gene expression depending on the environment in a human monoblastic cell line, UG3. J Leukoc Biol 2002. [DOI: 10.1189/jlb.72.6.1198] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Takashi Ikeda
- Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan
| | - Ken Sato
- Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan
| | - Naruo Kuwada
- Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan
| | - Takuya Matsumura
- Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan
| | - Takuya Yamashita
- Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan
| | - Fumihiko Kimura
- Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan
| | - Kiyohiko Hatake
- Division of Clinical Chemotherapy, Japanese Foundation for Cancer Research, Tokyo, Japan; and
| | - Kazuma Ikeda
- Division of Blood Transfusion, Okayama University Medical School, Japan
| | - Kazuo Motoyoshi
- Third Department of Internal Medicine, National Defense Medical College, Saitama, Japan
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Abstract
The role of the receptor activator of nuclear factor kappaB (NF-kappaB) ligand (RANKL)-a tumor necrosis factor (TNF)-related cytokine-in osteoclast formation has been established clearly. However, the downstream signaling pathways activated by this cytokine remain largely unknown. To identify genes that play a role in osteoclastogenesis, we used RAW 264.7 mouse monocytes as a model system for the differentiation of multinucleated osteoclasts from mononucleated precursors. RAW 264.7 cells were induced with RANKL to form multinucleated giant osteoclast-like cells (OCLs) that expressed a number of osteoclast-specific markers and were able to form resorption pits on both calcium phosphate films and bone slices. This system was used to identify genes that are regulated by RANKL and may play a role in osteoclast differentiation. The proto-oncogene c-myc was strongly up-regulated in RANKL-induced OCLs but was absent in undifferentiated cells. Expression of Myc partners Max and Mad, on the other hand, was constant during OCL differentiation. We expressed a dominant negative Myc in RAW 264.7 cells and were able to block RANKL-induced OCL formation. Northern Blot analysis revealed a delay and a significant reduction in the level of messenger RNA (mRNA) for tartrate-resistant acid phosphatase (TRAP) and cathepsin K. We conclude that c-myc is a downstream target of RANKL and its expression is required for RANKL-induced osteoclastogenesis.
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Affiliation(s)
- R Battaglino
- Department of Cytokine Biology, The Forsyth Institute, and Harvard School of Dental Medicine, Boston, Massachusetts 02115, USA
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Scopes J, Massey HM, Ebrahim H, Horton MA, Flanagan AM. Interleukin-4 and interleukin-13: bidirectional effects on human osteoclast formation. Bone 2001; 29:203-8. [PMID: 11557362 DOI: 10.1016/s8756-3282(01)00500-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Osteoclasts are cells that resorb bone; they derive from macrophage colony-stimulating factor (M-CSF)-dependent hematopoietic precursors in the presence of soluble activator of NFkappaB ligand (sRANKL). Because transforming growth factor (TGF)-beta, a macrophage deactivator, enhances osteoclast formation we hypothesized that interleukin (IL)-4 and IL-13, also macrophage deactivators, should exert a similar effect. However, IL-4 and IL-13 have been reported as suppressors of murine osteoclast formation. In contrast to the effect of these molecules on murine osteoclast formation, IL-4 and IL-13 were found to be powerful inducers of osteoclast formation and bone resorption when added to human peripheral blood mononuclear cell (PBMC) cultures for 4 days. This stimulatory effect was only observed in cultures containing nonadherent PBMCs. In contrast, both molecules significantly suppressed osteoclast formation in lymphocyte-depleted cultures. These data demonstrate that the cytokine milieu and/or state of cell activation determines how cells of the osteoclast precursor respond to IL-4 and IL-13.
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Affiliation(s)
- J Scopes
- Imperial College School of Medicine, London, UK
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Mori M, Hatake K, Tanaka M, Takatoku M, Matsumoto Y, Uchida M, Kametaka M, Nagai T, Terui Y, Tomizuka H, Muroi K, Ozawa K. CAM-cytarabine, aclarubicin plus macrophage colony-stimulating factor in the treatment of acute myelogenous leukemia with trilineage dysplasia: usefulness of in vitro apoptosis in leukemic cells. Leuk Lymphoma 2001; 42:387-91. [PMID: 11699403 DOI: 10.3109/10428190109064595] [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: 11/13/2022]
Abstract
A 67-year-old woman was treated for acute myelogenous leukemia with trilineage dysplasia (AML-TLD) by combination chemotherapy with cytarabine, aclarubicin plus macrophage colony-stimulating factor (M-CSF) (referred to as CAM therapy). Complete remission was achieved after two courses of CAM therapy. After coculture of her bone marrow mononuclear cells with M-CSF in vitro, differentiation of leukemic cells into macrophages with apoptotis was observed. This case confirms an earlier report that an effect of M-CSF inducible by differentiation with apoptotic phenomena, against human leukemic cells was shown both in vitro and in vivo when achieving complete remission.
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Affiliation(s)
- M Mori
- Department of Hematology, Jichi Medical School, 3311-1 Yakushiji, Minamikawachi, Kawachi, Tochigi 329-0498, Japan
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Paul CC, Aly E, Lehman JA, Page SM, Gomez-Cambronero J, Ackerman SJ, Baumann MA. Human cell line that differentiates to all myeloid lineages and expresses neutrophil secondary granule genes. Exp Hematol 2000; 28:1373-80. [PMID: 11146159 DOI: 10.1016/s0301-472x(00)00552-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The aim of this study was to characterize a human leukemic cell line that appears capable of spontaneous differentiation to all myeloid lineages. The MPD cell line was derived using standard tissue culture techniques from the peripheral blood of a patient with an aggressive nonchronic myelogenous leukemia myeloproliferative disorder. Immunophenotyping, cytogenetic analysis, reverse transcriptase polymerase chain reaction, Northern blotting, immunoblotting, and colony assays were used to characterize the line and to assess its ability to express lineage-specific genes representative of advanced differentiation.Light microscopic morphologic analysis of the MPD cell line suggests that it has the unique property of spontaneous differentiation to mature-appearing neutrophils, macrophages, eosinophils, and basophils in proportions that approximate those found in normal bone marrow or peripheral blood. It was demonstrated that this cell line is capable of producing lineage-specific mRNA and granule proteins of at least two myeloid lineages, neutrophil and eosinophil, including neutrophil secondary granule proteins, which are not expressed in other available human cell lines. MPD cells were found to be capable of producing differentiated myeloid colonies (neutrophil, eosinophil, macrophge, mixed) in semisolid medium. The ability of MPD cells to express genetic programs associated with advanced differentiation of multiple myeloid lineages will make it a valuable tool for the study of the processes underlying lineage commitment and the regulation of expression of lineage-specific genes.
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Affiliation(s)
- C C Paul
- Research Service, Department of Veterans Affairs, Department of Medicine, Wright State University, Dayton, OH, USA
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Kaji Y, Ikeda K, Ikeda T, Kawakami K, Sasaki K, Shindo M, Hatake K, Harada M, Motoyoshi K, Mori S, Norimatsu H, Takahara J. IL-4, but not vitamin D(3), induces monoblastic cell line UG3 to differentiate into multinucleated giant cells on osteoclast lineage. J Cell Physiol 2000; 182:214-21. [PMID: 10623885 DOI: 10.1002/(sici)1097-4652(200002)182:2<214::aid-jcp10>3.0.co;2-f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The formation of multinucleated giant cells (MGCs) from monocytes/macrophages is controlled by various cytokines, the roles of which are not fully understood. Both interleukin (IL)-4 and 1alpha,25(OH)(2) vitamin D(3) (D(3)) are known to induce MGC formation from monocytes/macrophages. D(3) is also known as a stimulator of osteoclast formation in the presence of stroma cells, and IL-4 as an inhibitor. Previously, we showed that IL-4-induced MGCs from monocytes/macrophages expressed tartrate resistant acid phosphatase (TRAP) activity and hydroxyapatite-resorptive activity in the presence of M-CSF without stroma cells. In this study, we examined the effects of D(3) and/or IL-4 on MGC formation and the characteristics of these MGCs using a monoblastic cell line (UG3), to elucidate the involvement of these factors in osteoclast development without stroma cells. D(3)-induced MGCs showed none of the markers of osteoclasts, such as TRAP activity, calcitonin receptor (cal-R) expression, hydroxyapatite-resorptive activity, and bone-resorptive activity. A low concentration of D(3) synergistically stimulated IL-4-induced TRAP-positive MGC formation, whereas a high concentration of D(3) inhibited it. When IL-4 was added on day 7 of the 2-week culture with D(3), TRAP positivity reached maximum. On the other hand, delayed addition of D(3) on day 7 of culture did not increase the TRAP positivity. Although the fusion rate increased during the first week of the 2-week culture in the presence of D(3), it increased further in the second week following the addition of IL-4 on day 7. Furthermore, IL-4-induced, or IL-4- and D(3)-induced MGCs differentiated into functional osteoclasts with bone-resorptive activity following coculture with osteoblastic cells, whereas D(3)-induced MGCs did not acquire bone-resorptive activity even after coculture with osteoblastic cells in the presence of D(3). These findings suggest that IL-4 initiates osteoclast development of UG3 cells, although stroma cells were necessary for development of functional osteoclasts. On the other hand, D(3) had only a "supportive" effect on this differentiation. IL-4 and direct contact with stroma cells may regulate different stages in the multistep process of osteoclastogenesis of UG3 cells.
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Affiliation(s)
- Y Kaji
- Department of Orthopedic Surgery, Kagawa Medical University, Kagawa, Japan
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15
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Ikeda T, Ikeda K, Sasaki K, Kawakami K, Hatake K, Kaji Y, Norimatsu H, Harada M, Takahara J. IL-13 as well as IL-4 induces monocytes/macrophages and a monoblastic cell line (UG3) to differentiate into multinucleated giant cells in the presence of M-CSF. Biochem Biophys Res Commun 1998; 253:265-72. [PMID: 9878526 DOI: 10.1006/bbrc.1998.9702] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The formation of multinucleated giant cells (MGCs) from monocytes/macrophages is controlled by various cytokines whose crucial roles are not fully understood. In this study, we found that interleukin (IL)-13 as well as IL-4 induced peripheral blood monocytes (PBMs) and monoblastic cell line, UG3, to differentiate into MGCs in the presence of macrophage colony-stimulating factor (M-CSF), while IL-2, IL-7 or IL-10 did not. The presence of M-CSF was essential to this MGC formation, because IL-3 or granulocyte-macrophage colony-stimulating factor (GM-CSF) could not replace M-CSF. IL-4 and IL-13 have been known to inhibit the formation of osteoclast-like cells in the presence of stroma cells or osteoblastic cells. But in our system without stroma cells, IL-4 or IL-13 induced some of characteristics of osteoclasts such as tartrate-resistant acid phosphatase (TRAP) activity, vitronectin receptor (vit-R) expression and resorptive activity for hydroxyapatite, but not the expression of receptors for parathyroid hormone or calcitonin. These results suggest possible involvement of IL-4 and IL-13 in MGCs and osteoclasts development, and UG3 may be useful to further investigate the roles of IL-4 and IL-13 in the formation and physiology of MGCs, and the relationship between these MGCs and osteoclasts.
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Affiliation(s)
- T Ikeda
- First Department of Internal Medicine, Kagawa Medical University, Japan
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