1
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Hu X, Ju Y, Zhang YK. Ivermectin as a potential therapeutic strategy for glioma. J Neurosci Res 2024; 102:e25254. [PMID: 37814994 DOI: 10.1002/jnr.25254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 09/22/2023] [Accepted: 09/24/2023] [Indexed: 10/11/2023]
Abstract
Ivermectin (IVM), a semi-synthetic macrolide parasiticide, has demonstrated considerable effectiveness in combating internal and external parasites, particularly nematodes and arthropods. Its remarkable ability to control parasites has earned it significant recognition, culminating in Satoshi Omura and William C. Campbell's receipt of the 2015 Nobel Prize in Physiology or Medicine for their contributions to the development of IVM. In recent years, investigations have revealed that IVM possesses antitumor properties. It can suppress the growth of various cancer cells, including glioma, through a multitude of mechanisms such as selective targeting of tumor-specific proteins, inducing programmed cell death, and modulation of tumor-related signaling pathways. Hence, IVM holds tremendous potential as a novel anticancer drug. This review seeks to provide an overview of the underlying mechanisms that enable IVM's capacity to suppress glioma. Furthermore, it aims to elucidate the challenges and prospects associated with utilizing IVM as a new anticancer agent.
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Affiliation(s)
- Xing Hu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, PR China
| | - Yan Ju
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, PR China
| | - Yue-Kang Zhang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, PR China
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2
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Bruserud Ø, Reikvam H. Casein Kinase 2 (CK2): A Possible Therapeutic Target in Acute Myeloid Leukemia. Cancers (Basel) 2023; 15:3711. [PMID: 37509370 PMCID: PMC10378128 DOI: 10.3390/cancers15143711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/14/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
The protein kinase CK2 (also known as casein kinase 2) is one of the main contributors to the human phosphoproteome. It is regarded as a possible therapeutic strategy in several malignant diseases, including acute myeloid leukemia (AML), which is an aggressive bone marrow malignancy. CK2 is an important regulator of intracellular signaling in AML cells, especially PI3K-Akt, Jak-Stat, NFκB, Wnt, and DNA repair signaling. High CK2 levels in AML cells at the first time of diagnosis are associated with decreased survival (i.e., increased risk of chemoresistant leukemia relapse) for patients receiving intensive and potentially curative antileukemic therapy. However, it is not known whether these high CK2 levels can be used as an independent prognostic biomarker because this has not been investigated in multivariate analyses. Several CK2 inhibitors have been developed, but CX-4945/silmitasertib is best characterized. This drug has antiproliferative and proapoptotic effects in primary human AML cells. The preliminary results from studies of silmitasertib in the treatment of other malignancies suggest that gastrointestinal and bone marrow toxicities are relatively common. However, clinical AML studies are not available. Taken together, the available experimental and clinical evidence suggests that the possible use of CK2 inhibition in the treatment of AML should be further investigated.
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Affiliation(s)
- Øystein Bruserud
- Institute for Clinical Science, Faculty of Medicine, University of Bergen, 5021 Bergen, Norway
- Section for Hematology, Department of Medicine, Haukeland University Hospital, 5021 Bergen, Norway
| | - Håkon Reikvam
- Institute for Clinical Science, Faculty of Medicine, University of Bergen, 5021 Bergen, Norway
- Section for Hematology, Department of Medicine, Haukeland University Hospital, 5021 Bergen, Norway
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3
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Abstract
Both the cascade whereby a blood-borne cell enters a tissue and the anchoring of hematopoietic stem/progenitor cells (HSPCs) within bone marrow critically pivots on cell-cell interactions mediated by E-selectin binding to its canonical carbohydrate ligand, the tetrasaccharide termed "sialylated Lewis X" (sLeX). E-selectin, a member of the selectin class of adhesion molecules that is exclusively expressed by vascular endothelium, engages sLeX-bearing glycoconjugates that adorn mature leukocytes and HSPCs, as well as malignant cells, thereby permitting these cells to extravasate into various tissues. E-selectin expression is induced on microvascular endothelial cells within inflammatory loci at all tissues. However, conspicuously, E-selectin is constitutively expressed within microvessels in skin and marrow and, additionally, is inducibly expressed at these sites. Within the marrow, E-selectin receptor/ligand interactions promote lodgment of HSPCs and their malignant counterparts within hematopoietic growth-promoting microenvironments, collectively known as "vascular niches". Indeed, E-selectin receptor/ligand interactions have been reported to regulate both hematopoietic stem, and leukemic, cell proliferative dynamics. As such, signaling induced via engagement of E-selectin ligands is gaining interest as a critical mediator of homeostatic and malignant hematopoiesis, and this review will present current perspectives on the glycoconjugates mediating E-selectin receptor/ligand interactions and their currently defined role(s) in leukemogenesis.
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Affiliation(s)
- Evan Ales
- Department of Translational Medicine & The Translational Glycobiology Institute, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, United States
| | - Robert Sackstein
- Department of Translational Medicine & The Translational Glycobiology Institute, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, United States.
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Bouligny IM, Maher KR, Grant S. Mechanisms of myeloid leukemogenesis: Current perspectives and therapeutic objectives. Blood Rev 2023; 57:100996. [PMID: 35989139 PMCID: PMC10693933 DOI: 10.1016/j.blre.2022.100996] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 01/28/2023]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous hematopoietic neoplasm which results in clonal proliferation of abnormally differentiated hematopoietic cells. In this review, mechanisms contributing to myeloid leukemogenesis are summarized, highlighting aberrations of epigenetics, transcription factors, signal transduction, cell cycling, and the bone marrow microenvironment. The mechanisms contributing to AML are detailed to spotlight recent findings that convey clinical impact. The applications of current and prospective therapeutic targets are accentuated in addition to reviews of treatment paradigms stratified for each characteristic molecular lesion - with a focus on exploring novel treatment approaches and combinations to improve outcomes in AML.
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Affiliation(s)
- Ian M Bouligny
- Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, USA.
| | - Keri R Maher
- Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, USA.
| | - Steven Grant
- Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, USA.
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Liccardo F, Iaiza A, Śniegocka M, Masciarelli S, Fazi F. Circular RNAs Activity in the Leukemic Bone Marrow Microenvironment. Noncoding RNA 2022; 8:50. [PMID: 35893233 PMCID: PMC9326527 DOI: 10.3390/ncrna8040050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/20/2022] [Accepted: 06/29/2022] [Indexed: 11/17/2022] Open
Abstract
Acute myeloid leukemia (AML) is a hematological malignancy originating from defective hematopoietic stem cells in the bone marrow. In spite of the recent approval of several molecular targeted therapies for AML treatment, disease recurrence remains an issue. Interestingly, increasing evidence has pointed out the relevance of bone marrow (BM) niche remodeling during leukemia onset and progression. Complex crosstalk between AML cells and microenvironment components shapes the leukemic BM niche, consequently affecting therapy responsiveness. Notably, circular RNAs are a new class of RNAs found to be relevant in AML progression and chemoresistance. In this review, we provided an overview of AML-driven niche remodeling. In particular, we analyzed the role of circRNAs and their possible contribution to cell-cell communication within the leukemic BM microenvironment. Understanding these mechanisms will help develop a more effective treatment for AML.
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Affiliation(s)
| | | | | | - Silvia Masciarelli
- Department of Anatomical, Histological, Forensic & Orthopedic Sciences, Section of Histology & Medical Embryology, Sapienza University of Rome, Via A. Scarpa, 14-16, 00161 Rome, Italy; (F.L.); (A.I.); (M.Ś.)
| | - Francesco Fazi
- Department of Anatomical, Histological, Forensic & Orthopedic Sciences, Section of Histology & Medical Embryology, Sapienza University of Rome, Via A. Scarpa, 14-16, 00161 Rome, Italy; (F.L.); (A.I.); (M.Ś.)
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Kandarakov O, Belyavsky A, Semenova E. Bone Marrow Niches of Hematopoietic Stem and Progenitor Cells. Int J Mol Sci 2022; 23:ijms23084462. [PMID: 35457280 PMCID: PMC9032554 DOI: 10.3390/ijms23084462] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 12/15/2022] Open
Abstract
The mammalian hematopoietic system is remarkably efficient in meeting an organism’s vital needs, yet is highly sensitive and exquisitely regulated. Much of the organismal control over hematopoiesis comes from the regulation of hematopoietic stem cells (HSCs) by specific microenvironments called niches in bone marrow (BM), where HSCs reside. The experimental studies of the last two decades using the most sophisticated and advanced techniques have provided important data on the identity of the niche cells controlling HSCs functions and some mechanisms underlying niche-HSC interactions. In this review we discuss various aspects of organization and functioning of the HSC cell niche in bone marrow. In particular, we review the anatomy of BM niches, various cell types composing the niche, niches for more differentiated cells, metabolism of HSCs in relation to the niche, niche aging, leukemic transformation of the niche, and the current state of HSC niche modeling in vitro.
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7
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Xing T, Lyu ZS, Duan CW, Zhao HY, Tang SQ, Wen Q, Zhang YY, Lv M, Wang Y, Xu LP, Zhang XH, Huang XJ, Kong Y. Dysfunctional bone marrow endothelial progenitor cells are involved in patients with myelodysplastic syndromes. J Transl Med 2022; 20:144. [PMID: 35351133 PMCID: PMC8962499 DOI: 10.1186/s12967-022-03354-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 03/17/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Myelodysplastic syndromes (MDS) are a group of heterogeneous myeloid clonal disorders characterized by ineffective haematopoiesis and immune deregulation. Emerging evidence has shown the effect of bone marrow (BM) endothelial progenitor cells (EPCs) in regulating haematopoiesis and immune balance. However, the number and functions of BM EPCs in patients with different stages of MDS remain largely unknown. METHODS Patients with MDS (N = 30), de novo acute myeloid leukaemia (AML) (N = 15), and healthy donors (HDs) (N = 15) were enrolled. MDS patients were divided into lower-risk MDS (N = 15) and higher-risk MDS (N = 15) groups according to the dichotomization of the Revised International Prognostic Scoring System. Flow cytometry was performed to analyse the number of BM EPCs. Tube formation and migration assays were performed to evaluate the functions of BM EPCs. In order to assess the gene expression profiles of BM EPCs, RNA sequencing (RNA-seq) were performed. BM EPC supporting abilities of haematopoietic stem cells (HSCs), leukaemia cells and T cells were assessed by in vitro coculture experiments. RESULTS Increased but dysfunctional BM EPCs were found in MDS patients compared with HDs, especially in patients with higher-risk MDS. RNA-seq indicated the progressive change and differences of haematopoiesis- and immune-related pathways and genes in MDS BM EPCs. In vitro coculture experiments verified that BM EPCs from HDs, lower-risk MDS, and higher-risk MDS to AML exhibited a progressively decreased ability to support HSCs, manifested as elevated apoptosis rates and intracellular reactive oxygen species (ROS) levels and decreased colony-forming unit plating efficiencies of HSCs. Moreover, BM EPCs from higher-risk MDS patients demonstrated an increased ability to support leukaemia cells, characterized by increased proliferation, leukaemia colony-forming unit plating efficiencies, decreased apoptosis rates and apoptosis-related genes. Furthermore, BM EPCs induced T cell differentiation towards more immune-tolerant cells in higher-risk MDS patients in vitro. In addition, the levels of intracellular ROS and the apoptosis ratios were increased in BM EPCs from MDS patients, especially in higher-risk MDS patients, which may be therapeutic candidates for MDS patients. CONCLUSION Our results suggest that dysfunctional BM EPCs are involved in MDS patients, which indicates that improving haematopoiesis supporting ability and immuneregulation ability of BM EPCs may represent a promising therapeutic approach for MDS patients.
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Affiliation(s)
- Tong Xing
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Zhong-Shi Lyu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Cai-Wen Duan
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Collaborative Innovation Center for Translational Medicine and Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hong-Yan Zhao
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Shu-Qian Tang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Qi Wen
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Yuan-Yuan Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Meng Lv
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Yu Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Lan-Ping Xu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Xiao-Hui Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Xiao-Jun Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Yuan Kong
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China.
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8
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Toll-like Receptor 4, Osteoblasts and Leukemogenesis; the Lesson from Acute Myeloid Leukemia. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030735. [PMID: 35163998 PMCID: PMC8838156 DOI: 10.3390/molecules27030735] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/13/2022] [Accepted: 01/19/2022] [Indexed: 12/29/2022]
Abstract
Toll-like receptor 4 (TLR4) is a pattern-recognizing receptor that can bind exogenous and endogenous ligands. It is expressed by acute myeloid leukemia (AML) cells, several bone marrow stromal cells, and nonleukemic cells involved in inflammation. TLR4 can bind a wide range of endogenous ligands that are present in the bone marrow microenvironment. Furthermore, the TLR4-expressing nonleukemic bone marrow cells include various mesenchymal cells, endothelial cells, differentiated myeloid cells, and inflammatory/immunocompetent cells. Osteoblasts are important stem cell supporting cells localized to the stem cell niches, and they support the proliferation and survival of primary AML cells. These supporting effects are mediated by the bidirectional crosstalk between AML cells and supportive osteoblasts through the local cytokine network. Finally, TLR4 is also important for the defense against complicating infections in neutropenic patients, and it seems to be involved in the regulation of inflammatory and immunological reactions in patients treated with allogeneic stem cell transplantation. Thus, TLR4 has direct effects on primary AML cells, and it has indirect effects on the leukemic cells through modulation of their supporting neighboring bone marrow stromal cells (i.e., modulation of stem cell niches, regulation of angiogenesis). Furthermore, in allotransplant recipients TLR4 can modulate inflammatory and potentially antileukemic immune reactivity. The use of TLR4 targeting as an antileukemic treatment will therefore depend both on the biology of the AML cells, the biological context of the AML cells, aging effects reflected both in the AML and the stromal cells and the additional antileukemic treatment combined with HSP90 inhibition.
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Okamoto S, Miyano K, Kitakaze K, Kato H, Yamauchi A, Kajikawa M, Itsumi M, Kawai C, Kuribayashi F. Coculture in vitro with endothelial cells induces cytarabine resistance of acute myeloid leukemia cells in a VEGF-A/VEGFR-2 signaling-independent manner. Biochem Biophys Res Commun 2022; 587:78-84. [PMID: 34872003 DOI: 10.1016/j.bbrc.2021.11.090] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/16/2021] [Accepted: 11/25/2021] [Indexed: 12/28/2022]
Abstract
An interaction between acute myeloid leukemia (AML) cells and endothelial cells in the bone marrow seems to play a critical role in chemosensitivity on leukemia treatment. The endothelial niche reportedly enhances the paracrine action of the soluble secretory proteins responsible for chemoresistance in a vascular endothelial growth factor A (VEGF-A)/VEGF receptor 2 (VEGFR-2) signaling pathway-dependent manner. To further investigate the contribution of VEGF-A/VEGFR-2 signaling to the chemoresistance of AML cells, a biochemical assay system in which the AML cells were cocultured with human endothelial EA.hy926 cells in a monolayer was developed. By coculture with EA.hy926 cells, this study revealed that the AML cells resisted apoptosis induced by the anticancer drug cytarabine. SU4312, a VEGFR-2 inhibitor, attenuated VEGFR-2 phosphorylation and VEGF-A/VEGFR-2 signaling-dependent endothelial cell migration; thus, this inhibitor was observed to block VEGF-A/VEGFR-2 signaling. Interestingly, this inhibitor did not reverse the chemoresistance. When VEGFR-2 was knocked out in EA.hy926 cells using the CRISPR-Cas9 system, the cytarabine-induced apoptosis of AML cells did not significantly change compared with that of wild-type cells. Thus, coculture-induced chemoresistance appears to be independent of VEGF-A/VEGFR-2 signaling. When the transwell, a coculturing device, separated the AML cells from the EA.hy926 cells in a monolayer, the coculture-induced chemoresistance was inhibited. Given that the migration of VEGF-A/VEGFR-2 signaling-dependent endothelial cells is necessary for the endothelial niche formation in the bone marrow, VEGF-A/VEGFR-2 signaling contributes to chemoresistance by mediating the niche formation process, but not to the chemoresistance of AML cells in the niche.
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Affiliation(s)
- Shuichiro Okamoto
- Department of Biochemistry, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan; Shuichiro Okamoto, Department of Biochemistry, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan.
| | - Kei Miyano
- Department of Biochemistry, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan; Kei Miyano, Department of Biochemistry, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan.
| | - Keisuke Kitakaze
- Department of Pharmacology, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Hitomi Kato
- Second Year Medical Student in Fiscal Year of 2019, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Akira Yamauchi
- Department of Biochemistry, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Mizuho Kajikawa
- Laboratory of Microbiology, Showa Pharmaceutical University, 3-3165 Higashi-Tamagawagakuen, Machida, Tokyo, 194-8543, Japan
| | - Momoe Itsumi
- Department of Oral Microbiology and Immunology Showa University School of Dentistry1-5-8 Hatanodai Shinagawa, Tokyo, 142-8555, Japan
| | - Chikage Kawai
- Department of Biochemistry, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Futoshi Kuribayashi
- Department of Biochemistry, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
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10
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Rebuilding the hematopoietic stem cell niche: Recent developments and future prospects. Acta Biomater 2021; 132:129-148. [PMID: 33813090 DOI: 10.1016/j.actbio.2021.03.061] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/25/2021] [Accepted: 03/25/2021] [Indexed: 12/20/2022]
Abstract
Hematopoietic stem cells (HSCs) have proven their clinical relevance in stem cell transplantation to cure patients with hematological disorders. Key to their regenerative potential is their natural microenvironment - their niche - in the bone marrow (BM). Developments in the field of biomaterials enable the recreation of such environments with increasing preciseness in the laboratory. Such artificial niches help to gain a fundamental understanding of the biophysical and biochemical processes underlying the interaction of HSCs with the materials in their environment and the disturbance of this interplay during diseases affecting the BM. Artificial niches also have the potential to multiply HSCs in vitro, to enable the targeted differentiation of HSCs into mature blood cells or to serve as drug-testing platforms. In this review, we will introduce the importance of artificial niches followed by the biology and biophysics of the natural archetype. We will outline how 2D biomaterials can be used to dissect the complexity of the natural niche into individual parameters for fundamental research and how 3D systems evolved from them. We will present commonly used biomaterials for HSC research and their applications. Finally, we will highlight two areas in the field of HSC research, which just started to unlock the possibilities provided by novel biomaterials, in vitro blood production and studying the pathophysiology of the niche in vitro. With these contents, the review aims to give a broad overview of the different biomaterials applied for HSC research and to discuss their potentials, challenges and future directions in the field. STATEMENT OF SIGNIFICANCE: Hematopoietic stem cells (HSCs) are multipotent cells responsible for maintaining the turnover of all blood cells. They are routinely applied to treat patients with hematological diseases. This high clinical relevance explains the necessity of multiplication or differentiation of HSCs in the laboratory, which is hampered by the missing natural microenvironment - the so called niche. Biomaterials offer the possibility to mimic the niche and thus overcome this hurdle. The review introduces the HSC niche in the bone marrow and discusses the utility of biomaterials in creating artificial niches. It outlines how 2D systems evolved into sophisticated 3D platforms, which opened the gateway to applications such as, expansion of clinically relevant HSCs, in vitro blood production, studying niche pathologies and drug testing.
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11
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Grønningsæter IS, Reikvam H, Aasebø E, Bartaula-Brevik S, Hernandez-Valladares M, Selheim F, Berven FS, Tvedt TH, Bruserud Ø, Hatfield KJ. Effects of the Autophagy-Inhibiting Agent Chloroquine on Acute Myeloid Leukemia Cells; Characterization of Patient Heterogeneity. J Pers Med 2021; 11:jpm11080779. [PMID: 34442423 PMCID: PMC8399694 DOI: 10.3390/jpm11080779] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 12/12/2022] Open
Abstract
Autophagy is a highly conserved cellular degradation process that prevents cell damage and promotes cell survival, and clinical efforts have exploited autophagy inhibition as a therapeutic strategy in cancer. Chloroquine is a well-known antimalarial agent that inhibits late-stage autophagy. We evaluated the effects of chloroquine on cell viability and proliferation of acute myeloid leukemia acute myeloid leukemia (AML) cells derived from 81 AML patients. Our results show that chloroquine decreased AML cell viability and proliferation for the majority of patients. Furthermore, a subgroup of AML patients showed a greater susceptibility to chloroquine, and using hierarchical cluster analysis, we identified 99 genes upregulated in this patient subgroup, including several genes related to leukemogenesis. The combination of chloroquine with low-dose cytarabine had an additive inhibitory effect on AML cell proliferation. Finally, a minority of patients showed increased extracellular constitutive mediator release in the presence of chloroquine, which was associated with strong antiproliferative effects of chloroquine as well as cytarabine. We conclude that chloroquine has antileukemic activity and should be further explored as a therapeutic drug against AML in combination with other cytotoxic or metabolic drugs; however, due to the patient heterogeneity, chloroquine therapy will probably be effective only for selected patients.
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Affiliation(s)
- Ida Sofie Grønningsæter
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway; (I.S.G.); (H.R.); (E.A.); (S.B.-B.)
- Department of Medicine, Akershus University Hospital, N-1478 Lørenskog, Norway
| | - Håkon Reikvam
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway; (I.S.G.); (H.R.); (E.A.); (S.B.-B.)
- Department of Medicine, Haukeland University Hospital, N-5021 Bergen, Norway;
| | - Elise Aasebø
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway; (I.S.G.); (H.R.); (E.A.); (S.B.-B.)
- The Proteomics Facility of the University of Bergen (PROBE), Department of Biomedicine, University of Bergen, N-5009 Bergen, Norway; (M.H.-V.); (F.S.); (F.S.B.)
| | - Sushma Bartaula-Brevik
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway; (I.S.G.); (H.R.); (E.A.); (S.B.-B.)
| | - Maria Hernandez-Valladares
- The Proteomics Facility of the University of Bergen (PROBE), Department of Biomedicine, University of Bergen, N-5009 Bergen, Norway; (M.H.-V.); (F.S.); (F.S.B.)
- The Department of Biomedicine, University of Bergen, N-5009 Bergen, Norway
| | - Frode Selheim
- The Proteomics Facility of the University of Bergen (PROBE), Department of Biomedicine, University of Bergen, N-5009 Bergen, Norway; (M.H.-V.); (F.S.); (F.S.B.)
- The Department of Biomedicine, University of Bergen, N-5009 Bergen, Norway
| | - Frode S. Berven
- The Proteomics Facility of the University of Bergen (PROBE), Department of Biomedicine, University of Bergen, N-5009 Bergen, Norway; (M.H.-V.); (F.S.); (F.S.B.)
- The Department of Biomedicine, University of Bergen, N-5009 Bergen, Norway
| | - Tor Henrik Tvedt
- Department of Medicine, Haukeland University Hospital, N-5021 Bergen, Norway;
- Department of Hematology, Oslo University Hospital—The National Hospital, N-0372 Oslo, Norway
| | - Øystein Bruserud
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway; (I.S.G.); (H.R.); (E.A.); (S.B.-B.)
- Department of Medicine, Haukeland University Hospital, N-5021 Bergen, Norway;
- Correspondence: (Ø.B.); (K.J.H.)
| | - Kimberley Joanne Hatfield
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway; (I.S.G.); (H.R.); (E.A.); (S.B.-B.)
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, N-5009 Bergen, Norway
- Correspondence: (Ø.B.); (K.J.H.)
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12
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Yao Y, Li F, Huang J, Jin J, Wang H. Leukemia stem cell-bone marrow microenvironment interplay in acute myeloid leukemia development. Exp Hematol Oncol 2021; 10:39. [PMID: 34246314 PMCID: PMC8272391 DOI: 10.1186/s40164-021-00233-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 07/02/2021] [Indexed: 12/18/2022] Open
Abstract
Despite the advances in intensive chemotherapy regimens and targeted therapies, overall survival (OS) of acute myeloid leukemia (AML) remains unfavorable due to inevitable chemotherapy resistance and high relapse rate, which mainly caused by the persistence existence of leukemia stem cells (LSCs). Bone marrow microenvironment (BMM), the home of hematopoiesis, has been considered to play a crucial role in both hematopoiesis and leukemogenesis. When interrupted by the AML cells, a malignant BMM formed and thus provided a refuge for LSCs and protecting them from the cytotoxic effects of chemotherapy. In this review, we summarized the alterations in the bidirectional interplay between hematopoietic cells and BMM in the normal/AML hematopoietic environment, and pointed out the key role of these alterations in pathogenesis and chemotherapy resistance of AML. Finally, we focused on the current potential BMM-targeted strategies together with future prospects and challenges. Accordingly, while further research is necessary to elucidate the underlying mechanisms behind LSC–BMM interaction, targeting the interaction is perceived as a potential therapeutic strategy to eradicate LSCs and ultimately improve the outcome of AML.
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Affiliation(s)
- Yiyi Yao
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Fenglin Li
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Jiansong Huang
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Jie Jin
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China. .,Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, 310003, Zhejiang, People's Republic of China. .,Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310000, Zhejiang, People's Republic of China.
| | - Huafeng Wang
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China. .,Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, 310003, Zhejiang, People's Republic of China. .,Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, 310000, Zhejiang, People's Republic of China.
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13
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Recent advances in tumor microenvironment-targeted nanomedicine delivery approaches to overcome limitations of immune checkpoint blockade-based immunotherapy. J Control Release 2021; 332:109-126. [DOI: 10.1016/j.jconrel.2021.02.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 01/24/2021] [Accepted: 02/04/2021] [Indexed: 02/07/2023]
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14
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Xiang X, Li L, Bo P, Kuang T, Liu S, Xie X, Guo S, Fu X, Zhang Y. 7‑Difluoromethyl‑5,4'‑dimethoxygenistein exerts anti‑angiogenic effects on acute promyelocytic leukemia HL‑60 cells by inhibiting the TLR4/NF‑κB signaling pathway. Mol Med Rep 2020; 21:2251-2259. [PMID: 32186776 PMCID: PMC7115195 DOI: 10.3892/mmr.2020.11029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 02/18/2020] [Indexed: 01/17/2023] Open
Abstract
Angiogenesis plays an important role in the development and metastasis of tumors, and anti-angiogenesis agents are used to treat tumors. For example, the acute promyelocytic leukemia (APL) may be treated with arsenic trioxide. Angiogenesis in APL is a multi-step dynamic equilibrium process coordinated by various angiogenic stimulators and inhibitors, which play key roles in the occurrence, progression and chemosensitivity of this disease. Our research group previously synthesized 7-difluoromethyl-5,4′-dimethoxygenistein (DFMG), and found that it inhibits angiogenesis during atherosclerotic plaque formation. In the present study, the effect and mechanism of DFMG in angiogenesis induced by APL HL-60 cells was investigated using a chick embryo chorioallantoic membrane model and Matrigel tubule formation assays. The results obtained revealed an anti-angiogenesis effect of DFMG towards HL-60 cells. When the Toll-like receptor 4/nuclear factor-κB (TLR4/NF-κB) signaling pathway was inhibited, the anti-angiogenic effect of DFMG was further enhanced. However, when the TLR4/NF-κB signaling pathway was activated, the anti-angiogenic effect of DFMG was attenuated. These results demonstrated that DFMG inhibits angiogenesis induced by APL HL-60 cells, and provides insights into the mechanism by which DFMG inhibits the TLR4/NF-κB signaling pathway. In conclusion, in the present study, the anti-angiogenesis effect of DFMG on APL has been reported, and the mechanism by which DFMG induced the anti-angiogenesis effect was explored. These findings have provided a potential new drug candidate for the treatment of patients with APL.
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Affiliation(s)
- Xueping Xiang
- Department of Internal Medicine, Medical College of Hunan Normal University, Changsha, Hunan 410013, P.R. China
| | - Lesai Li
- Department of Gynecologic Oncology, Hunan Cancer Hospital, Changsha, Hunan 410013, P.R. China
| | - Pingjuan Bo
- Department of Internal Medicine, Medical College of Hunan Normal University, Changsha, Hunan 410013, P.R. China
| | - Ting Kuang
- Department of Gynecologic Oncology, Hunan Cancer Hospital, Changsha, Hunan 410013, P.R. China
| | - Sujuan Liu
- Department of Internal Medicine, Medical College of Hunan Normal University, Changsha, Hunan 410013, P.R. China
| | - Xiaolin Xie
- Department of Internal Medicine, Medical College of Hunan Normal University, Changsha, Hunan 410013, P.R. China
| | - Sihui Guo
- Department of Internal Medicine, Medical College of Hunan Normal University, Changsha, Hunan 410013, P.R. China
| | - Xiaohua Fu
- Department of Internal Medicine, Medical College of Hunan Normal University, Changsha, Hunan 410013, P.R. China
| | - Yong Zhang
- Department of Internal Medicine, Medical College of Hunan Normal University, Changsha, Hunan 410013, P.R. China
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15
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Uckun FM, Cogle CR, Lin TL, Qazi S, Trieu VN, Schiller G, Watts JM. A Phase 1B Clinical Study of Combretastatin A1 Diphosphate (OXi4503) and Cytarabine (ARA-C) in Combination (OXA) for Patients with Relapsed or Refractory Acute Myeloid Leukemia. Cancers (Basel) 2019; 12:cancers12010074. [PMID: 31888052 PMCID: PMC7016810 DOI: 10.3390/cancers12010074] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 12/17/2019] [Accepted: 12/20/2019] [Indexed: 12/17/2022] Open
Abstract
Combretastatin A1 (OXi4503) is a dual-function drug with vascular disrupting and cytotoxic properties that has exhibited single-agent anti-leukemia activity in murine xenograft models of acute myeloid leukemia (AML) and in a prior Phase 1A clinical study for relapsed/refractory (R/R) AML. The purpose of the present multicenter Phase 1B study was to define the maximum tolerated dose (MTD) and safety profile of OXi4503 and cytarabine (ARA-C) administered in combination (OXA). At four centers, 29 patients with R/R AML or myelodysplastic syndrome (MDS) were treated with OXA. The most common grade 3/4 treatment-emergent adverse events (AEs) were febrile neutropenia (28%), hypertension (17%), thrombocytopenia (17%), and anemia (14%). There were no treatment-emergent grade 5 AEs. Drug-related serious adverse events (SAEs) developed in 4/29 patients (14%) and included febrile neutropenia (N = 2), pneumonia/acute respiratory failure (N = 1), and hypotension (N = 1). 9.76 mg/m2 was defined as the MTD of OXi4503 when administered in combination with 1 g/m2 ARA-C. In 26 evaluable AML patients, there were 2 complete remissions (CR), 2 complete remissions with incomplete count recovery (CRi) and one partial response (PR), for an overall response rate (ORR) of 19%. The median overall survival (OS) time for the four patients who achieved a CR/CRi was 528 days (95% CI: 434-NA), which was significantly longer than the median OS time of 113 days (95% CI: 77-172) for the remaining 22 patients who did not achieve a CR/CRi (Log Rank Chi Square = 11.8, p-value = 0.0006). The safety and early evidence of efficacy of the OXA regimen in R/R AML patients warrant further investigation in a Phase 2 clinical study.
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Affiliation(s)
- Fatih M. Uckun
- Immuno-Oncology Program, Mateon Therapeutics, Agoura Hills, CA 91301, USA
- Ares Pharmaceuticals, St. Paul, MN 55110, USA
- Correspondence:
| | - Christopher R. Cogle
- Division of Hematology and Oncology, Department of Medicine, College of Medicine & University of Florida Health Cancer Center, University of Florida, Gainesville, FL 32610, USA
| | - Tara L. Lin
- Division of Hematologic Malignancies and Cellular Therapeutics, Department of Internal Medicine, University of Kansas Medical Center, University of Kansas Cancer Center and Medical Pavillon, Westwood, KS 66205, USA
| | - Sanjive Qazi
- Bioinformatics Program and Department of Biology, Gustavus Adolphus College, St Peter, MN 56082, USA
| | - Vuong N. Trieu
- Immuno-Oncology Program, Mateon Therapeutics, Agoura Hills, CA 91301, USA
| | - Gary Schiller
- Bone Marrow/Stem Cell Transplantation, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
| | - Justin M. Watts
- Department of Medicine, Division of Hematology/Oncology Miller School of Medicine, University of Miami Sylvester Comprehensive Cancer Center, Miami, FL 33136, USA
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16
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Kouzi F, Zibara K, Bourgeais J, Picou F, Gallay N, Brossaud J, Dakik H, Roux B, Hamard S, Le Nail LR, Hleihel R, Foucault A, Ravalet N, Rouleux-Bonnin F, Gouilleux F, Mazurier F, Bene MC, Akl H, Gyan E, Domenech J, El-Sabban M, Herault O. Disruption of gap junctions attenuates acute myeloid leukemia chemoresistance induced by bone marrow mesenchymal stromal cells. Oncogene 2019; 39:1198-1212. [PMID: 31649334 PMCID: PMC7002301 DOI: 10.1038/s41388-019-1069-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 10/07/2019] [Accepted: 10/10/2019] [Indexed: 01/09/2023]
Abstract
The bone marrow (BM) niche impacts the progression of acute myeloid leukemia (AML) by favoring the chemoresistance of AML cells. Intimate interactions between leukemic cells and BM mesenchymal stromal cells (BM-MSCs) play key roles in this process. Direct intercellular communications between hematopoietic cells and BM-MSCs involve connexins, components of gap junctions. We postulated that blocking gap junction assembly could modify cell–cell interactions in the leukemic niche and consequently the chemoresistance. The comparison of BM-MSCs from AML patients and healthy donors revealed a specific profile of connexins in BM-MSCs of the leukemic niche and the effects of carbenoxolone (CBX), a gap junction disruptor, were evaluated on AML cells. CBX presents an antileukemic effect without affecting normal BM-CD34+ progenitor cells. The proapoptotic effect of CBX on AML cells is in line with the extinction of energy metabolism. CBX acts synergistically with cytarabine (Ara-C) in vitro and in vivo. Coculture experiments of AML cells with BM-MSCs revealed that CBX neutralizes the protective effect of the niche against the Ara-C-induced apoptosis of leukemic cells. Altogether, these results suggest that CBX could be of therapeutic interest to reduce the chemoresistance favored by the leukemic niche, by targeting gap junctions, without affecting normal hematopoiesis.
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Affiliation(s)
- Farah Kouzi
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,PRASE, DSST, Lebanese University, Beirut, Lebanon
| | - Kazem Zibara
- PRASE, DSST, Lebanese University, Beirut, Lebanon.,Biology Department, Faculty of Sciences, Lebanese University, Beirut, Lebanon
| | - Jerome Bourgeais
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,Department of Biological Hematology, Tours University Hospital, Tours, France
| | - Frederic Picou
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,Department of Biological Hematology, Tours University Hospital, Tours, France
| | - Nathalie Gallay
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,Department of Biological Hematology, Tours University Hospital, Tours, France
| | - Julie Brossaud
- Department of Nuclear Medicine, Bordeaux University Hospital, Pessac, France
| | - Hassan Dakik
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France
| | - Benjamin Roux
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,Department of Biological Hematology, Tours University Hospital, Tours, France
| | - Sophie Hamard
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France
| | | | - Rita Hleihel
- Department of Anatomy, Cell Biology, and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon.,Department of Internal Medicine, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Amelie Foucault
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,Department of Biological Hematology, Tours University Hospital, Tours, France
| | - Noemie Ravalet
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,Department of Biological Hematology, Tours University Hospital, Tours, France
| | - Florence Rouleux-Bonnin
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France
| | - Fabrice Gouilleux
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France
| | - Frederic Mazurier
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France
| | - Marie C Bene
- Department of Biological Hematology, Nantes University Hospital, CRCINA, Nantes, France
| | - Haidar Akl
- PRASE, DSST, Lebanese University, Beirut, Lebanon.,Biology Department, Faculty of Sciences, Lebanese University, Beirut, Lebanon
| | - Emmanuel Gyan
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,Department of Hematology and Cell Therapy, Tours University Hospital, Tours, France
| | - Jorge Domenech
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France.,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France.,Department of Biological Hematology, Tours University Hospital, Tours, France
| | - Marwan El-Sabban
- Department of Anatomy, Cell Biology, and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Olivier Herault
- CNRS ERL7001 LNOx "Leukemic Niche & Redox Metabolism", Tours, France. .,EA7501 GICC, University of Tours, Faculty of Medicine, Tours, France. .,Department of Biological Hematology, Tours University Hospital, Tours, France.
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17
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Vijay V, Miller R, Vue GS, Pezeshkian MB, Maywood M, Ast AM, Drusbosky LM, Pompeu Y, Salgado AD, Lipten SD, Geddes T, Blenc AM, Ge Y, Ostrov DA, Cogle CR, Madlambayan GJ. Interleukin-8 blockade prevents activated endothelial cell mediated proliferation and chemoresistance of acute myeloid leukemia. Leuk Res 2019; 84:106180. [PMID: 31299413 DOI: 10.1016/j.leukres.2019.106180] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/02/2019] [Accepted: 07/03/2019] [Indexed: 12/18/2022]
Abstract
One of the greatest challenges in treating acute myeloid leukemia (AML) is chemotherapy refractory disease. Previously, we demonstrated a novel mechanism whereby AML-induced endothelial cell (EC) activation leads to subsequent leukemia cell adherence, quiescence and chemoresistance, identifying activated ECs as potential mediators of relapse. We now show mechanistically that EC activation induces the secretion of interleukin-8 (IL-8) leading to significant expansion of non-adherent AML cells and resistance to cytarabine (Ara-C). Through crystallography and computational modeling, we identified a pocket within IL-8 responsible for receptor binding, screened for small molecules that fit within this pocket, and blocked IL-8 induced proliferation and chemo-protection of AML cells with a hit compound. Results from this study show a new therapeutic strategy for targeting the sanctuary of an activated leukemia microenvironment.
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Affiliation(s)
- Vindhya Vijay
- Division of Hematology and Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Regan Miller
- Department of Biological Sciences, Oakland University, Rochester, MI, USA
| | - Gau Shoua Vue
- Department of Biological Sciences, Oakland University, Rochester, MI, USA
| | | | - Michael Maywood
- Department of Biological Sciences, Oakland University, Rochester, MI, USA
| | - Allison M Ast
- Division of Hematology and Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Leylah M Drusbosky
- Division of Hematology and Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Yuri Pompeu
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Alan D Salgado
- Division of Hematology and Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Samuel D Lipten
- Division of Hematology and Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Timothy Geddes
- Department of Radiation Oncology, William Beaumont Health System, Royal Oak, MI, USA
| | - Ann Marie Blenc
- Department of Hematopathology, William Beaumont Health System, Royal Oak, MI, USA
| | - Yubin Ge
- Department of Oncology, Wayne State University School of Medicine, Detroit, MI, USA; Molecular Therapeutics Program and Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA
| | - David A Ostrov
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Christopher R Cogle
- Division of Hematology and Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
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18
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Chramiec A, Vunjak-Novakovic G. Tissue engineered models of healthy and malignant human bone marrow. Adv Drug Deliv Rev 2019; 140:78-92. [PMID: 31002835 PMCID: PMC6663611 DOI: 10.1016/j.addr.2019.04.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 02/14/2019] [Accepted: 04/14/2019] [Indexed: 12/20/2022]
Abstract
Tissue engineering is becoming increasingly successful in providing in vitro models of human tissues that can be used for ex vivo recapitulation of functional tissues as well as predictive testing of drug efficacy and safety. From simple tissue models to microphysiological platforms comprising multiple tissue types connected by vascular perfusion, these "tissues on a chip" are emerging as a fast track application for tissue engineering, with great potential for modeling diseases and supporting the development of new drugs and therapeutic targets. We focus here on tissue engineering of the hematopoietic stem and progenitor cell compartment and the malignancies that can develop in the human bone marrow. Our overall goal is to demonstrate the utility and interconnectedness of improvements in bioengineering methods developed in one area of bone marrow studies for the remaining, seemingly disparate, bone marrow fields.
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19
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Brenner AK, Aasebø E, Hernandez-Valladares M, Selheim F, Berven F, Grønningsæter IS, Bartaula-Brevik S, Bruserud Ø. The Capacity of Long-Term in Vitro Proliferation of Acute Myeloid Leukemia Cells Supported Only by Exogenous Cytokines Is Associated with a Patient Subset with Adverse Outcome. Cancers (Basel) 2019; 11:cancers11010073. [PMID: 30634713 PMCID: PMC6356272 DOI: 10.3390/cancers11010073] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/28/2018] [Accepted: 01/02/2019] [Indexed: 12/15/2022] Open
Abstract
Acute myeloid leukemia (AML) is an aggressive malignancy, which is highly heterogeneous with regard to chemosensitivity and biological features. The AML cell population is organized in a hierarchy that is reflected in the in vitro growth characteristics, with only a minority of cells being able to proliferate for more than two weeks. In this study, we investigated the ability of AML stem cells to survive and proliferate in suspension cultures in the presence of exogenous mediators but without supporting non-leukemic cells. We saw that a high number of maintained stem cells (i.e., a large number of clonogenic cells after five weeks of culture) was associated with decreased overall survival for patients receiving intensive chemotherapy; this prognostic impact was also detected in the multivariate/adjusted analysis. Furthermore, the patients with many clonogenic cells presented more frequently with mutations in transcription-related genes, and also showed a higher abundance of proteins involved in transcription at the time of diagnosis. In conclusion, the growth characteristics of the long-term proliferating leukemic stem cells seem to have an independent prognostic impact in human AML, and these characteristics appear to be reflected by the mutational landscape and the proteome of the patients at the time of diagnosis.
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Affiliation(s)
- Annette K Brenner
- Department of Medicine, Haukeland University Hospital; 5021 Bergen, Norwa.
- Section for Hematology, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.
| | - Elise Aasebø
- Section for Hematology, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.
- The Proteomics Unit at the University of Bergen, Department of Biomedicine, University of Bergen, 5020 Bergen, Norway.
| | - Maria Hernandez-Valladares
- Section for Hematology, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.
- The Proteomics Unit at the University of Bergen, Department of Biomedicine, University of Bergen, 5020 Bergen, Norway.
| | - Frode Selheim
- The Proteomics Unit at the University of Bergen, Department of Biomedicine, University of Bergen, 5020 Bergen, Norway.
| | - Frode Berven
- The Proteomics Unit at the University of Bergen, Department of Biomedicine, University of Bergen, 5020 Bergen, Norway.
| | - Ida-Sofie Grønningsæter
- Department of Medicine, Haukeland University Hospital; 5021 Bergen, Norwa.
- Section for Hematology, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.
| | - Sushma Bartaula-Brevik
- Section for Hematology, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.
| | - Øystein Bruserud
- Department of Medicine, Haukeland University Hospital; 5021 Bergen, Norwa.
- Section for Hematology, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.
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20
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Proteomic Profiling of Primary Human Acute Myeloid Leukemia Cells Does Not Reflect Their Constitutive Release of Soluble Mediators. Proteomes 2018; 7:proteomes7010001. [PMID: 30577422 PMCID: PMC6473519 DOI: 10.3390/proteomes7010001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/15/2018] [Accepted: 12/18/2018] [Indexed: 01/08/2023] Open
Abstract
Acute myeloid leukemia (AML) is a heterogeneous disease, and communication between leukemic cells and their neighboring leukemia-supporting normal cells is involved in leukemogenesis. The bone marrow cytokine network is therefore important, and the mediator release profile seems more important than single mediators. It is not known whether the characterization of primary AML cell proteomes reflects the heterogeneity of the broad and dynamic constitutive mediator release profile by these cells. To address this, we compared the intracellular levels of 41 proteins in 19 AML patients with the constitutive extracellular release during in vitro culture, including chemokines, growth factors, proteases, and protease regulators. The constitutive release of most mediators showed a wide variation (up to 2000-fold differences) between patients. Detectable intracellular levels were seen for 10 of 41 mediators, but for most of these 10 mediators we could not detect significant correlations between the constitutive release during in vitro culture and their intracellular levels. Intracellular protein levels in primary human AML cells do not reflect the dynamics, capacity, and variation between patients in constitutive mediator release profiles. Measurements of these profiles thus add complementary information to proteomic detection/quantification regarding the heterogeneity of the AML cell contributions to the bone marrow cytokine network.
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21
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Wang A, Zhong H. Roles of the bone marrow niche in hematopoiesis, leukemogenesis, and chemotherapy resistance in acute myeloid leukemia. ACTA ACUST UNITED AC 2018; 23:729-739. [PMID: 29902132 DOI: 10.1080/10245332.2018.1486064] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVES To summarize the effects of the bone marrow niche on hematopoiesis and leukemogenesis and discuss the chemotherapy resistance that can arise from interactions between the niche and leukemia stem cells. METHODS We review the major roles of the bone marrow niche in cell proliferation, adhesion and drug resistance. The signaling pathways and major molecular participants in the niche are discussed. We also address potential niche-targeting strategies for the treatment of acute myeloid leukemia (AML). RESULTS The bone marrow niche supports normal hematopoiesis and affects acute myeloid leukemia (AML) initiation, progression and chemotherapy resistance. DISCUSSION AML is a group of heterogeneous malignant diseases characterized by the excessive proliferation of hematopoietic stem and/or progenitor cells. Even with intensive chemotherapy regimens and stem cell transplantation, the overall survival rate for AML is poor. The bone marrow niches of malignant cells are remodeled into a leukemia-permissive environment, and these reformed niches protect AML cells from chemotherapy-induced cell death. Inhibiting the cellular and molecular interactions between the niche and leukemia cells is a promising direction for targeted therapies for AML treatment. CONCLUSIONS Interactions between leukemia cells and the bone marrow niche influence hematopoiesis, leukemogenesis, and chemotherapy resistance in AML and require ongoing study. Understanding the mechanisms that underlie these interactions will help identify rational niche-targeting therapies to improve treatment outcomes in AML patients.
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Affiliation(s)
- Andi Wang
- a Department of Hematology , South Campus Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , People's Republic of China
| | - Hua Zhong
- a Department of Hematology , South Campus Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , People's Republic of China
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Mohammadi Najafabadi M, Shamsasenjan K, Akbarzadehlaleh P. The Angiogenic Chemokines Expression Profile of Myeloid Cell Lines Co-Cultured with Bone Marrow-Derived Mesenchymal Stem Cells. CELL JOURNAL 2017; 20:19-24. [PMID: 29308614 PMCID: PMC5759676 DOI: 10.22074/cellj.2018.4924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 02/03/2017] [Indexed: 11/04/2022]
Abstract
OBJECTIVES Angiogenesis, the process of formation of new blood vessels, is essential for development of solid tumors. At first, it was first assumed that angiogenesis is not implicated in the development of acute myeloid leukemia (AML) as a liquid tumor. One of the most important elements in bone marrow microenvironment is mesenchymal stem cells (MSCs). These cells possess an intrinsic tropism for sites of tumor in various types of cancers and have an impact on solid tumors growth by affecting the angiogenic process. But so far, our knowledge is limited about MSCs' role in liquid tumors angiogenesis. By increasing our knowledge about the role of MSCs on angiogenesis, new therapeutic strategies can be used to improve the status of patients with leukemia. MATERIALS AND METHODS In this experimental study, HL-60, K562 and U937 cells were separately co-cultured with bone marrow derived-MSCs and after 8, 16 and 24 hours, alterations in the expression of 10 chemokine genes involved in angiogenesis, were evaluated by quantitative real time-polymerase chain reaction (qRT-PCR). Mono-cultures of leukemia cell lines were used as controls. RESULTS We observed that in HL-60 and K562 cells co-cultured with MSCs, the expression of CXCL10 and CXCL3 genes are increased, respectively as compared to the control cells. Also, in U937 cells co-cultured with MSCs, the expression of CXCL6 gene was upgraded. Moreover in U937 cells, CCL2 gene expression in the first 16 hours was lower than the control cells, while within 24 hours its expression augmented. CONCLUSIONS Our observations, for the first time, demonstrated that bone marrow (BM)-MSCs are able to alter the expression profile of chemokine genes involved in angiogenesis, in acute myeloid leukemia cell lines. MSCs cause different effects on angiogenesis in different leukemia cell lines; in some cases, MSCs promote angiogenesis, and in others, inhibit it.
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Affiliation(s)
| | - Karim Shamsasenjan
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parvin Akbarzadehlaleh
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
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23
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Aasebø E, Bartaula-Brevik S, Hernandez-Valladares M, Bruserud Ø. Vacuolar ATPase as a possible therapeutic target in human acute myeloid leukemia. Expert Rev Hematol 2017; 11:13-24. [PMID: 29168399 DOI: 10.1080/17474086.2018.1407239] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION V-ATPase is a proton pump expressed both in the membrane of intracellular organelles (e.g. endosomes, lysosomes, Golgi structures) and the plasma membrane. It is an important regulator of organellar functions, intracellular molecular trafficking, intercellular communication and intracellular signaling. It is therefore considered as a possible therapeutic target in the treatment of human malignancies. Areas covered: Relevant publications were identified through literature searches in the PubMed database. We searched for original articles and reviews describing the possible importance of V-ATPase for leukemogenesis and chemosensitivity in human myeloid cells, especially acute myeloid leukemia (AML) cells. Expert commentary: The expression of V-ATPase in the primary human AML cells varies between patients, and high levels are associated with high constitutive release of a wide range of soluble mediators. Several of the molecules included in the V-ATPase interactome may also be important in leukemogenesis and/or development of chemoresistance in human AML. Therapeutic targeting of V-ATPase should therefore be regarded as a possible therapeutic strategy in human AML, but the efficiency of such targeting will probably differ between patients. The possibility of toxicity, especially hematological toxicity and immunosuppression, also has to be clarified.
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Affiliation(s)
- Elise Aasebø
- a Section for Hematology, Department of Clinical Science , University of Bergen , Bergen , Norway.,b Proteomics Unit (PROBE), Department of Biomedicine , University of Bergen , Bergen , Norway
| | - Sushma Bartaula-Brevik
- a Section for Hematology, Department of Clinical Science , University of Bergen , Bergen , Norway
| | - Maria Hernandez-Valladares
- a Section for Hematology, Department of Clinical Science , University of Bergen , Bergen , Norway.,b Proteomics Unit (PROBE), Department of Biomedicine , University of Bergen , Bergen , Norway
| | - Øystein Bruserud
- a Section for Hematology, Department of Clinical Science , University of Bergen , Bergen , Norway.,c Department of Medicine , Haukeland University Hospital , Bergen , Norway
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24
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Bruserud Ø, Aasebø E, Hernandez-Valladares M, Tsykunova G, Reikvam H. Therapeutic targeting of leukemic stem cells in acute myeloid leukemia - the biological background for possible strategies. Expert Opin Drug Discov 2017; 12:1053-1065. [PMID: 28748730 DOI: 10.1080/17460441.2017.1356818] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Acute myeloid leukemia (AML) is an aggressive malignancy, caused by the accumulation of immature leukemic blasts in blood and bone marrow. There is a relatively high risk of chemoresistant relapse even for the younger patients who can receive the most intensive antileukemic treatment. Treatment directed against the remaining leukemic and preleukemic stem cells will most likely reduce the risk of later relapse. Areas covered: Relevant publications were identified through literature searches. The authors searched for original articles and recent reviews describing (i) the characteristics of leukemic/preleukemic stem cells; (ii) the importance of the bone marrow stem cell niches in leukemogenesis; and (iii) possible therapeutic strategies to target the preleukemic/leukemic stem cells. Expert opinion: Leukemia relapse/progression seems to be derived from residual chemoresistant leukemic or preleukemic stem cells, and a more effective treatment directed against these cells will likely be important to improve survival both for patients receiving intensive treatment and leukemia-stabilizing therapy. Several possible strategies are now considered, including the targeting of the epigenetic regulation of gene expression, proapoptotic intracellular signaling, cell metabolism, telomere activity and the AML-supporting effects by neighboring stromal cells. Due to disease heterogeneity, the most effective stem cell-directed therapy will probably differ between individual patients.
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Affiliation(s)
- Øystein Bruserud
- a Division of Hematology, Institute of Clinical Science , University of Bergen , Bergen , Norway.,b Section of Hematology, Department of Medicine , Haukeland University Hospital , Bergen , Norway
| | - Elise Aasebø
- a Division of Hematology, Institute of Clinical Science , University of Bergen , Bergen , Norway.,c Proteomics Unit (PROBE), Department of Biomedicine , University of Bergen , Bergen , Norway
| | - Maria Hernandez-Valladares
- a Division of Hematology, Institute of Clinical Science , University of Bergen , Bergen , Norway.,c Proteomics Unit (PROBE), Department of Biomedicine , University of Bergen , Bergen , Norway
| | - Galina Tsykunova
- b Section of Hematology, Department of Medicine , Haukeland University Hospital , Bergen , Norway
| | - Håkon Reikvam
- b Section of Hematology, Department of Medicine , Haukeland University Hospital , Bergen , Norway
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25
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Bray LJ, Binner M, Körner Y, von Bonin M, Bornhäuser M, Werner C. A three-dimensional ex vivo tri-culture model mimics cell-cell interactions between acute myeloid leukemia and the vascular niche. Haematologica 2017; 102:1215-1226. [PMID: 28360147 PMCID: PMC5566030 DOI: 10.3324/haematol.2016.157883] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Accepted: 03/27/2017] [Indexed: 12/20/2022] Open
Abstract
Ex vivo studies of human disease, such as acute myeloid leukemia, are generally limited to the analysis of two-dimensional cultures which often misinterpret the effectiveness of chemotherapeutics and other treatments. Here we show that matrix metalloproteinase-sensitive hydrogels prepared from poly(ethylene glycol) and heparin functionalized with adhesion ligands and pro-angiogenic factors can be instrumental to produce robust three-dimensional culture models, allowing for the analysis of acute myeloid leukemia development and response to treatment. We evaluated the growth of four leukemia cell lines, KG1a, MOLM13, MV4-11 and OCI-AML3, as well as samples from patients with acute myeloid leukemia. Furthermore, endothelial cells and mesenchymal stromal cells were co-seeded to mimic the vascular niche for acute myeloid leukemia cells. Greater drug resistance to daunorubicin and cytarabine was demonstrated in three-dimensional cultures and in vascular co-cultures when compared with two-dimensional suspension cultures, opening the way for drug combination studies. Application of the C-X-C chemokine receptor type 4 (CXCR4) inhibitor, AMD3100, induced mobilization of the acute myeloid leukemia cells from the vascular networks. These findings indicate that the three-dimensional tri-culture model provides a specialized platform for the investigation of cell-cell interactions, addressing a key challenge of current testing models. This ex vivo system allows for personalized analysis of the responses of patients’ cells, providing new insights into the development of acute myeloid leukemia and therapies for this disease.
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Affiliation(s)
- Laura J Bray
- Max Bergmann Center of Biomaterials, Leibniz Institute of Polymer Research Dresden, Germany .,Science and Engineering Faculty, Queensland University of Technology, Brisbane, Australia
| | - Marcus Binner
- Max Bergmann Center of Biomaterials, Leibniz Institute of Polymer Research Dresden, Germany
| | - Yvonne Körner
- Max Bergmann Center of Biomaterials, Leibniz Institute of Polymer Research Dresden, Germany
| | - Malte von Bonin
- Universitätsklinikum Carl-Gustav Carus, Faculty of Medicine, Technische Universität Dresden, Saxony, Germany.,German Cancer Center (DKFZ), Heidelberg, Germany.,German Cancer Consortium (DKTK), partner site Dresden, Germany
| | - Martin Bornhäuser
- Universitätsklinikum Carl-Gustav Carus, Faculty of Medicine, Technische Universität Dresden, Saxony, Germany.,German Cancer Center (DKFZ), Heidelberg, Germany.,German Cancer Consortium (DKTK), partner site Dresden, Germany
| | - Carsten Werner
- Max Bergmann Center of Biomaterials, Leibniz Institute of Polymer Research Dresden, Germany
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26
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Brenner AK, Tvedt THA, Nepstad I, Rye KP, Hagen KM, Reikvam H, Bruserud Ø. Patients with acute myeloid leukemia can be subclassified based on the constitutive cytokine release of the leukemic cells; the possible clinical relevance and the importance of cellular iron metabolism. Expert Opin Ther Targets 2017; 21:357-369. [PMID: 28281897 DOI: 10.1080/14728222.2017.1300255] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Acute myeloid leukaemia (AML) is a heterogeneous malignancy; we studied how the constitutive cytokine release by the AML cells varies among patients. METHODS We investigated the constitutive release of 28 mediators during in vitro culture for 79 consecutive patients. RESULTS Constitutive cytokine release profiles differed among patients, and hierarchical clustering identified three subsets with high, intermediate and low release, respectively. The high-release subset showed high levels of most mediators, usually monocytic differentiation as well as altered mRNA expression of proteins involved in intracellular iron homeostasis and molecular trafficking; this subset also included 4 out of 6 patients with inv(16). Spontaneous in vitro apoptosis did not differ among the subsets. For the high-release patients, cytokines were released both by CD34+ and CD34- cells. The mRNA and released protein levels showed statistically significant correlations only for eleven of the cytokines. The overall survival after intensive anti-leukemic therapy was significantly higher for high-release compared with low-release patients. Pharmacological targeting of iron metabolism (iron chelation, transferrin receptor blocking) altered the cytokine release profile. CONCLUSIONS Subclassification of AML patients based on the constitutive cytokine release may be clinically relevant and a part of a low-risk (i.e. chemosensitive) AML cell phenotype.
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Affiliation(s)
- Annette K Brenner
- a Section for Haematology, Department of Clinical Science , University of Bergen , Bergen , Norway
| | | | - Ina Nepstad
- a Section for Haematology, Department of Clinical Science , University of Bergen , Bergen , Norway
| | - Kristin P Rye
- a Section for Haematology, Department of Clinical Science , University of Bergen , Bergen , Norway
| | - Karen M Hagen
- a Section for Haematology, Department of Clinical Science , University of Bergen , Bergen , Norway
| | - Håkon Reikvam
- a Section for Haematology, Department of Clinical Science , University of Bergen , Bergen , Norway.,b Department of Medicine , Haukeland University Hospital , Bergen , Norway
| | - Øystein Bruserud
- a Section for Haematology, Department of Clinical Science , University of Bergen , Bergen , Norway.,b Department of Medicine , Haukeland University Hospital , Bergen , Norway
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27
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Abstract
Research in the last few years has revealed a sophisticated interaction network between multiple bone marrow cells that regulate different hematopoietic stem cell (HSC) properties such as proliferation, differentiation, localization, and self-renewal during homeostasis. These mechanisms are essential to keep the physiological HSC numbers in check and interfere with malignant progression. In addition to the identification of multiple mutations and chromosomal aberrations driving the progression of myeloid malignancies, alterations in the niche compartment recently gained attention for contributing to disease progression. Leukemic cells can remodel the niche into a permissive environment favoring leukemic stem cell expansion over normal HSC maintenance, and evidence is accumulating that certain niche alterations can even induce leukemic transformation. Relapse after chemotherapy is still a major challenge during treatment of myeloid malignancies, and cure is only rarely achieved. Recent progress in understanding the niche-imposed chemoresistance mechanisms will likely contribute to the improvement of current therapeutic strategies. This article discusses the role of different niche cells and their stage- and disease-specific roles during progression of myeloid malignancies and in response to chemotherapy.
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28
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Brenner AK, Andersson Tvedt TH, Bruserud Ø. The Complexity of Targeting PI3K-Akt-mTOR Signalling in Human Acute Myeloid Leukaemia: The Importance of Leukemic Cell Heterogeneity, Neighbouring Mesenchymal Stem Cells and Immunocompetent Cells. Molecules 2016; 21:molecules21111512. [PMID: 27845732 PMCID: PMC6273124 DOI: 10.3390/molecules21111512] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 11/04/2016] [Accepted: 11/07/2016] [Indexed: 12/11/2022] Open
Abstract
Therapeutic targeting of PI3K-Akt-mTOR is considered a possible strategy in human acute myeloid leukaemia (AML); the most important rationale being the proapoptotic and antiproliferative effects of direct PI3K/mTOR inhibition observed in experimental studies of human AML cells. However, AML is a heterogeneous disease and these effects caused by direct pathway inhibition in the leukemic cells are observed only for a subset of patients. Furthermore, the final effect of PI3K-Akt-mTOR inhibition is modulated by indirect effects, i.e., treatment effects on AML-supporting non-leukemic bone marrow cells. In this article we focus on the effects of this treatment on mesenchymal stem cells (MSCs) and monocytes/macrophages; both these cell types are parts of the haematopoietic stem cell niches in the bone marrow. MSCs have unique membrane molecule and constitutive cytokine release profiles, and mediate their support through bidirectional crosstalk involving both cell-cell contact and the local cytokine network. It is not known how various forms of PI3K-Akt-mTOR targeting alter the molecular mechanisms of this crosstalk. The effect on monocytes/macrophages is also difficult to predict and depends on the targeted molecule. Thus, further development of PI3K-Akt-mTOR targeting into a clinical strategy requires detailed molecular studies in well-characterized experimental models combined with careful clinical studies, to identify patient subsets that are likely to respond to this treatment.
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Affiliation(s)
- Annette K Brenner
- Section for Haematology, Department of Clinical Science, University of Bergen, 5021 Bergen, Norway.
| | - Tor Henrik Andersson Tvedt
- Section for Haematology, Department of Clinical Science, University of Bergen, 5021 Bergen, Norway.
- Department of Medicine, Haukeland University Hospital, 5021 Bergen, Norway.
| | - Øystein Bruserud
- Section for Haematology, Department of Clinical Science, University of Bergen, 5021 Bergen, Norway.
- Department of Medicine, Haukeland University Hospital, 5021 Bergen, Norway.
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29
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Ghosh J, Kapur R. Regulation of Hematopoietic Stem Cell Self-Renewal and Leukemia Maintenance by the PI3K-mTORC1 Pathway. CURRENT STEM CELL REPORTS 2016. [DOI: 10.1007/s40778-016-0067-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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30
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Swords RT, Greenberg PL, Wei AH, Durrant S, Advani AS, Hertzberg MS, Jonas BA, Lewis ID, Rivera G, Gratzinger D, Fan AC, Felsher DW, Cortes JE, Watts JM, Yarranton GT, Walling JM, Lancet JE. KB004, a first in class monoclonal antibody targeting the receptor tyrosine kinase EphA3, in patients with advanced hematologic malignancies: Results from a phase 1 study. Leuk Res 2016; 50:123-131. [PMID: 27736729 DOI: 10.1016/j.leukres.2016.09.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 09/08/2016] [Accepted: 09/10/2016] [Indexed: 01/01/2023]
Abstract
EphA3 is an Ephrin receptor tyrosine kinase that is overexpressed in most hematologic malignancies. We performed a first-in-human multicenter phase I study of the anti-EphA3 monoclonal antibody KB004 in refractory hematologic malignancies in order to determine safety and tolerability, along with the secondary objectives of pharmacokinetics (PK) and pharmacodynamics (PD) assessments, as well as preliminary assessment of efficacy. Patients were enrolled on a dose escalation phase (DEP) initially, followed by a cohort expansion phase (CEP). KB004 was administered by intravenous infusion on days 1, 8, and 15 of each 21-day cycle in escalating doses. A total of 50 patients (AML 39, MDS/MPN 3, MDS 4, DLBCL 1, MF 3) received KB004 in the DEP; an additional 14 patients were treated on the CEP (AML 8, MDS 6). The most common toxicities were transient grade 1 and grade 2 infusion reactions (IRs) in 79% of patients. IRs were dose limiting above 250mg. Sustained exposure exceeding the predicted effective concentration (1ug/mL) and covering the 7-day interval between doses was achieved above 190mg. Responses were observed in patients with AML, MF, MDS/MPN and MDS. In this study, KB004 was well tolerated and clinically active when given as a weekly infusion.
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Affiliation(s)
- Ronan T Swords
- Leukemia Program, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, FL, United States.
| | | | - Andrew H Wei
- The Alfred Hospital and Monash University, Melbourne, Australia
| | - Simon Durrant
- The Royal Brisbane and Women's Hospital, Brisbane, Australia
| | | | | | - Brian A Jonas
- Department of Internal Medicine, Division of Hematology and Oncology, University of California Davis School of Medicine, UC Davis Comprehensive Cancer Center, United States
| | - Ian D Lewis
- The Royal Adelaide Hospital, Adelaide, Australia
| | | | | | - Alice C Fan
- Stanford Cancer Institute, Stanford, CA, United States
| | | | - Jorge E Cortes
- The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Justin M Watts
- Leukemia Program, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, FL, United States
| | - Geoff T Yarranton
- KaloBios Pharmaceuticals, Inc., South San Francisco, CA, United States
| | - Jackie M Walling
- KaloBios Pharmaceuticals, Inc., South San Francisco, CA, United States
| | - Jeffrey E Lancet
- H Lee Moffitt Cancer Center & Research Institute, Tampa, FL, United States
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31
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Testa U, Saulle E, Castelli G, Pelosi E. Endothelial progenitor cells in hematologic malignancies. Stem Cell Investig 2016; 3:26. [PMID: 27583252 DOI: 10.21037/sci.2016.06.07] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 05/23/2016] [Indexed: 01/09/2023]
Abstract
Studies carried out in the last years have improved the understanding of the cellular and molecular mechanisms controlling angiogenesis during adult life in normal and pathological conditions. Some of these studies have led to the identification of some progenitor cells that sustain angiogenesis through indirect, paracrine mechanisms (hematopoietic angiogenic cells) and through direct mechanisms, i.e., through their capacity to generate a progeny of phenotypically and functionally competent endothelial cells [endothelial colony forming cells (ECFCs)]. The contribution of these progenitors to angiogenetic processes under physiological and pathological conditions is intensively investigated. Angiogenetic mechanisms are stimulated in various hematological malignancies, including chronic myeloid leukemia (CML), acute myeloid leukemia (AML), myelodysplastic syndromes and multiple myeloma, resulting in an increased angiogenesis that contributes to disease progression. In some of these conditions there is preliminary evidence that some endothelial cells could derive from the malignant clone, thus leading to the speculation that the leukemic cell derives from the malignant transformation of a hemangioblastic progenitor, i.e., of a cell capable of differentiation to the hematopoietic and to the endothelial cell lineages. Our understanding of the mechanisms underlying increased angiogenesis in these malignancies not only contributed to a better knowledge of the mechanisms responsible for tumor progression, but also offered the way for the discovery of new therapeutic targets.
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Affiliation(s)
- Ugo Testa
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Ernestina Saulle
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Germana Castelli
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Elvira Pelosi
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
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32
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Brenner AK, Reikvam H, Bruserud Ø. A Subset of Patients with Acute Myeloid Leukemia Has Leukemia Cells Characterized by Chemokine Responsiveness and Altered Expression of Transcriptional as well as Angiogenic Regulators. Front Immunol 2016; 7:205. [PMID: 27252705 PMCID: PMC4879142 DOI: 10.3389/fimmu.2016.00205] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 05/11/2016] [Indexed: 12/29/2022] Open
Abstract
Acute myeloid leukemia (AML) is an aggressive and heterogeneous bone marrow malignancy, the only curative treatment being intensive chemotherapy eventually in combination with allogeneic stem cell transplantation. Both the AML and their neighboring stromal cells show constitutive chemokine release, but chemokines seem to function as regulators of AML cell proliferation only for a subset of patients. Chemokine targeting is therefore considered not only for immunosuppression in allotransplanted patients but also as a possible antileukemic strategy in combination with intensive chemotherapy or as part of disease-stabilizing treatment at least for the subset of patients with chemokine-responsive AML cells. In this study, we characterized more in detail the leukemia cell phenotype of the chemokine-responsive patients. We investigated primary AML cells derived from 79 unselected patients. Standardized in vitro suspension cultures were used to investigate AML cell proliferation, and global gene expression profiles were compared for chemokine responders and non-responders identified through the proliferation assays. CCL28-induced growth modulation was used as marker of chemokine responsiveness, and 38 patients were then classified as chemokine-responsive. The effects of exogenous CCL28 (growth inhibition/enhancement/no effect) thus differed among patients and was also dependent on the presence of exogenous hematopoietic growth factors as well as constitutive AML cell cytokine release. The effect of CCR1 inhibition in the presence of chemokine-secreting mesenchymal stem cells also differed among patients. Chemokine-responsive AML cells showed altered expression of genes important for (i) epigenetic transcriptional regulation, particularly lysine acetylation; (ii) helicase activity, especially DExD/H RNA helicases; and (iii) angioregulatory proteins important for integrin binding. Thus, chemokine responsiveness is part of a complex AML cell phenotype with regard to extracellular communication and transcriptional regulation. Chemokine targeting in chemokine-responsive patients may thereby alter AML cell trafficking and increase their susceptibility toward antileukemic treatment, e.g., conventional chemotherapy or targeting of other phenotypic characteristics of the chemokine-responsive cells.
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Affiliation(s)
- Annette K Brenner
- Section for Hematology, Department of Clinical Science, University of Bergen , Bergen , Norway
| | - Håkon Reikvam
- Department of Medicine, Haukeland University Hospital , Bergen , Norway
| | - Øystein Bruserud
- Section for Hematology, Department of Clinical Science, University of Bergen, Bergen, Norway; Department of Medicine, Haukeland University Hospital, Bergen, Norway
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33
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Hauge M, Bruserud Ø, Hatfield KJ. Targeting of cell metabolism in human acute myeloid leukemia - more than targeting of isocitrate dehydrogenase mutations and PI3K/AKT/mTOR signaling? Eur J Haematol 2015; 96:211-21. [DOI: 10.1111/ejh.12690] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/06/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Michelle Hauge
- Department of Medicine; Haukeland University Hospital; Bergen Norway
| | - Øystein Bruserud
- Department of Medicine; Haukeland University Hospital; Bergen Norway
- Department of Clinical Science; University of Bergen; Bergen Norway
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34
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Reikvam H, Brenner AK, Hagen KM, Liseth K, Skrede S, Hatfield KJ, Bruserud Ø. The cytokine-mediated crosstalk between primary human acute myeloid cells and mesenchymal stem cells alters the local cytokine network and the global gene expression profile of the mesenchymal cells. Stem Cell Res 2015; 15:530-541. [DOI: 10.1016/j.scr.2015.09.008] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 08/25/2015] [Accepted: 09/21/2015] [Indexed: 02/02/2023] Open
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35
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Kim Y, Jekarl DW, Kim J, Kwon A, Choi H, Lee S, Kim YJ, Kim HJ, Kim Y, Oh IH, Kim M. Genetic and epigenetic alterations of bone marrow stromal cells in myelodysplastic syndrome and acute myeloid leukemia patients. Stem Cell Res 2015; 14:177-84. [DOI: 10.1016/j.scr.2015.01.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 01/12/2015] [Accepted: 01/15/2015] [Indexed: 01/05/2023] Open
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36
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Reikvam H, Ryningen A, Sæterdal LR, Nepstad I, Foss B, Bruserud Ø. Connexin expression in human acute myeloid leukemia cells: identification of patient subsets based on protein and global gene expression profiles. Int J Mol Med 2014; 35:645-52. [PMID: 25529637 PMCID: PMC4314410 DOI: 10.3892/ijmm.2014.2045] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 12/17/2014] [Indexed: 11/05/2022] Open
Abstract
Bone marrow stromal cells support both normal and malignant hematopoiesis. Τhis support is mediated through the local cytokine network and by direct cell‑cell interactions mediated via adhesion molecules and the formation of gap junctions by connexins. Previous studies on connexins in human acute myeloid leukemia (AML) have mainly focused on the investigation of leukemia cell lines. In the present study, we therefore investigated the expression of various connexins at the protein (i.e., cell surface expression) and mRNA level in primary human AML cells. The cell surface expression of the connexins, Cx26, Cx32, Cx37, Cx43 and Cx45, varied considerably between patients, and detectable levels were observed only for subsets of patients. On the whole, Cx43 and Cx45 showed the highest cell surface expression. Connexin expression was dependent on AML cell differentiation, but showed no association with cytogenetic abnormalities or mutations of the fms-related tyrosine kinase 3 (FLT3) or nucleophosmin (NPM)‑1 genes. By contrast, only Cx45 showed a significant variation between patients at the mRNA level. A high Cx45 expression was associated with the altered regulation of the mitogen‑activated protein kinase (MAPK) pathway and the release of pro-inflammatory cytokines [interleukin (IL)‑17, tumor necrosis factor (TNF), interferon‑γ], whereas a low Cx45 expression was associated with the altered regulation of protein functions (i.e., ligase activity, protein folding and catabolism). There was no significant correlation observed between the connexin mRNA and protein levels. Thus, differences in connexin expression can be used to subclassify AML patients. Differences in connexin cell surface expression profiles are not reflected at the mRNA level and have to be directly examined, whereas variations in Cx45 mRNA expression are associated with differences in cell signaling and the regulation of protein functions.
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Affiliation(s)
- Håkon Reikvam
- Institute of Clinical Science, University of Bergen, Bergen, Norway
| | - Anita Ryningen
- Institute of Clinical Science, University of Bergen, Bergen, Norway
| | - Lars Rune Sæterdal
- Department of Health Studies, University of Stavanger, Stravanger, Norway
| | - Ina Nepstad
- Institute of Clinical Science, University of Bergen, Bergen, Norway
| | - Brynjar Foss
- Department of Health Studies, University of Stavanger, Stravanger, Norway
| | - Øystein Bruserud
- Institute of Clinical Science, University of Bergen, Bergen, Norway
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37
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Bruserud Ø, Nepstad I, Hauge M, Hatfield KJ, Reikvam H. STAT3 as a possible therapeutic target in human malignancies: lessons from acute myeloid leukemia. Expert Rev Hematol 2014; 8:29-41. [PMID: 25374305 DOI: 10.1586/17474086.2015.971005] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
STAT3 is important for transcriptional regulation in human acute myeloid leukemia (AML). STAT3 has thousands of potential DNA binding sites but usually shows cell type specific binding preferences to a limited number of these. Furthermore, AML is a very heterogeneous disease, and studies of the prognostic impact of STAT3 in human AML have also given conflicting results. A more detailed characterization of STAT3 functions and the expression of various isoforms in human AML will therefore be required before it is possible to design clinical studies of STAT3 inhibitors in this disease, and it will be especially important to investigate whether the functions of STAT3 differ between patients. Several other malignancies also show extensive biological heterogeneity, and the present discussion and the suggested scientific approaches may thus be relevant for other cancer patients.
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Affiliation(s)
- Øystein Bruserud
- Department of Medicine, Haukeland University Hospital, Bergen, Norway
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Hatfield KJ, Reikvam H, Bruserud Ø. Identification of a subset of patients with acute myeloid leukemia characterized by long-termin vitroproliferation and altered cell cycle regulation of the leukemic cells. Expert Opin Ther Targets 2014; 18:1237-51. [DOI: 10.1517/14728222.2014.957671] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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39
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Yao Y, Song X, Cheng H, Tang G, Hu X, Zhou H, Wang J. Dysfunction of bone marrow vascular niche in acute graft-versus-host disease after MHC-haploidentical bone marrow transplantation. PLoS One 2014; 9:e104607. [PMID: 25119573 PMCID: PMC4131885 DOI: 10.1371/journal.pone.0104607] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 07/10/2014] [Indexed: 01/08/2023] Open
Abstract
Acute graft-versus-host disease (aGvHD) is the most common complication of allogeneic hematopoietic stem cell transplantation (HSCT), which is often accompanied by impaired hematopoietic reconstitution. Sinusoidal endothelial cells (SECs) constitute bone marrow (BM) vascular niche that plays an important role in supporting self-renewal capacity and maintaining the stability of HSC pool. Here we provide evidences that vascular niche is a target of aGvHD in a major histocompatibility complex (MHC)–haploidentical matched murine HSCT model. The results demonstrated that hematopoietic cells derived from GvHD mice had the capacity to reconstitute hematopoiesis in healthy recipient mice. However, hematopoietic cells from healthy donor mice failed to reconstitute hematopoiesis in GvHD recipient mice, indicating that the BM niche was impaired by aGvHD in this model. We further demonstrated that SECs were markedly reduced in the BM of aGvHD mice. High level of Fas and caspase-3 expression and high rate of apoptosis were identified in SECs, indicating that SECs were destroyed by aGvHD in this murine HSCT model. Furthermore, high Fas ligand expression on engrafted donor CD4+, but not CD8+ T cells, and high level MHC-II but not MHC-I expression on SECs, suggested that SECs apoptosis was mediated by CD4+ donor T cells through the Fas/FasL pathway.
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Affiliation(s)
- Yonghua Yao
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai, China
| | - Xianmin Song
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai, China
| | - Hui Cheng
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai, China
| | - Gusheng Tang
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai, China
| | - Xiaoxia Hu
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai, China
| | - Hong Zhou
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai, China
| | - Jianmin Wang
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai, China
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40
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Interferon decreases VEGF levels in patients with chronic myeloid leukemia treated with imatinib. Leuk Res 2014; 38:662-5. [DOI: 10.1016/j.leukres.2014.01.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2013] [Revised: 12/24/2013] [Accepted: 01/19/2014] [Indexed: 11/20/2022]
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41
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Reikvam H, Nepstad I, Bruserud Ø, Hatfield KJ. Pharmacological targeting of the PI3K/mTOR pathway alters the release of angioregulatory mediators both from primary human acute myeloid leukemia cells and their neighboring stromal cells. Oncotarget 2014; 4:830-43. [PMID: 23919981 PMCID: PMC3757241 DOI: 10.18632/oncotarget.971] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Acute myeloid leukemia (AML) is a heterogeneous and aggressive malignancy with poor overall survival. Constitutive as well as cytokine-initiated activation of PI3K/Akt/mTOR signaling is a common feature of AML patients, and inhibition of this pathway is considered as a possible therapeutic strategy in AML. Human AML cells and different stromal cell populations were cultured under highly standardized in vitro conditions. We investigated the effects of mTOR inhibitors (rapamycin and temsirolimus) and PI3K inhibitors (GDC-0941 and 3-methyladenin (3-MA)) on cell proliferation and the constitutive release of angioregulatory mediators by AML and stromal cells. Primary human AML cells were heterogeneous, though most patients showed high CXCL8 levels and detectable release of CXCL10, Ang-1, HGF and MMP-9. Hierarchical clustering analysis showed that disruption of PI3K/Akt/mTOR pathways decreased AML cell release of CXCL8-11 for a large subset of patients, whereas the effects on other mediators were divergent. Various stromal cells (endothelial cells, fibroblasts, cells with osteoblastic phenotype) also showed constitutive release of angioregulatory mediators, and inhibitors of both the PI3K and mTOR pathway had anti-proliferative effects on stromal cells and resulted in decreased release of these angioregulatory mediators. PI3K and mTOR inhibitors can decrease constitutive cytokine release both by AML and stromal cells, suggesting potential direct and indirect antileukemic effects.
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Affiliation(s)
- Håkon Reikvam
- Section for Hematology, Department of Clinical Science, University of Bergen, Norway
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42
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Functional integration of acute myeloid leukemia into the vascular niche. Leukemia 2014; 28:1978-1987. [PMID: 24637335 PMCID: PMC4167983 DOI: 10.1038/leu.2014.109] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2014] [Revised: 02/06/2014] [Accepted: 03/13/2014] [Indexed: 12/15/2022]
Abstract
Vascular endothelial cells are a critical component of the hematopoietic microenvironment that regulates blood cell production. Recent studies suggest the existence of functional cross-talk between hematologic malignancies and vascular endothelium. Here, we show that human acute myeloid leukemia (AML) localizes to the vasculature in both patients and in a xenograft model. A significant number of vascular tissue-associated AML cells (V-AML) integrate into vasculature in vivo and can fuse with endothelial cells. V-AML cells acquire several endothelial cell-like characteristics, including the up-regulation of CD105, a receptor associated with activated endothelium. Remarkably, endothelial-integrated V-AML shows an almost 4-fold reduction in proliferative activity compared to non-vascular associated AML. Primary AML cells can be induced to down regulate the expression of their hematopoietic markers in vitro and differentiate into phenotypically and functionally-defined endothelial-like cells. After transplantation, these leukemia-derived endothelial cells are capable of giving rise to AML. Taken together, these novel functional interactions between AML cells and normal endothelium along with the reversible endothelial cell potential of AML suggest that vascular endothelium may serve as a previously unrecognized reservoir for acute myeloid leukemia.
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43
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Tan L, Lin P, Pezeshkian B, Rehman A, Madlambayan G, Zeng X. Real-time monitoring of cell mechanical changes induced by endothelial cell activation and their subsequent binding with leukemic cell lines. Biosens Bioelectron 2014; 56:151-8. [PMID: 24487102 DOI: 10.1016/j.bios.2014.01.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Revised: 12/18/2013] [Accepted: 01/01/2014] [Indexed: 11/25/2022]
Abstract
Endothelial cell (EC) activation and their subsequent binding with different cells have various mechanical consequences that, if monitored real time, can serve as a functional biomarker of many pathophysiological response mechanisms. This work presents an innovative and facile strategy to conduct such monitoring using quartz crystal microbalance (QCM), thereby relating the shifts in its frequency and motional resistance to morphological changes upon cell-cell and cell-substrate interactions. By activating ECs with TNF-α and then characterizing their binding with HL-60 and KG-1 leukemia cells, we are able to induce the mechanical changes in ECs especially in the region of cell-substrate contact which resulted in dynamically coupled mass and viscoelastic changes representing the extent of both activation and binding. The activated ECs suffered a decrease of cellular contact area, leading to positive frequency shift and decreased motional resistance. The binding of leukemia cells onto pre-activated ECs exerted a mechanical force to regain the cell surface contact which resulted in the obvious QCM responses opposite to that of activation, and proportional to the number of cells added, in spite of the fact that these added cells are extremely outside the extinction boundary of the shear wave generated by QCM. Different cell lines demonstrate different attachment behavior, which was detected by the QCM. Despite these variations are quite subtle, yet the sensitivity of the technique for dynamic changes at the interface makes them detectable. Moreover, the reproducibility of the generated data determined at each step by deviation measurements (<10%) in response plot was very high despite the high possible heterogeneity in cell populations. The results are explained on the basis of simple theoretical and physical models, although, the development of a more quantitative and precise model is underway in our laboratory.
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Affiliation(s)
- Liang Tan
- Department of Chemistry, Oakland University, Rochester, MI 48309, United States; Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
| | - Peiling Lin
- Department of Chemistry, Oakland University, Rochester, MI 48309, United States
| | - Bahareh Pezeshkian
- Department of Biological Sciences, Oakland University, Rochester, MI 48309, United States
| | - Abdul Rehman
- Department of Chemistry, Oakland University, Rochester, MI 48309, United States
| | - Gerard Madlambayan
- Department of Biological Sciences, Oakland University, Rochester, MI 48309, United States
| | - Xiangqun Zeng
- Department of Chemistry, Oakland University, Rochester, MI 48309, United States.
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In Vitro Characterization of Valproic Acid, ATRA, and Cytarabine Used for Disease-Stabilization in Human Acute Myeloid Leukemia: Antiproliferative Effects of Drugs on Endothelial and Osteoblastic Cells and Altered Release of Angioregulatory Mediators by Endothelial Cells. LEUKEMIA RESEARCH AND TREATMENT 2014; 2014:143479. [PMID: 24527217 PMCID: PMC3910457 DOI: 10.1155/2014/143479] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2013] [Accepted: 10/28/2013] [Indexed: 02/08/2023]
Abstract
The combined use of the histone deacetylase inhibitor valproic acid (VPA), the retinoic acid receptor- α agonist all-trans retinoic acid (ATRA), and the deoxyribonucleic acid polymerase- α inhibitor cytarabine (Ara-C) is now considered for disease-stabilizing treatment of acute myeloid leukemia (AML). Leukemogenesis and leukemia cell chemoresistance seem to be supported by neighbouring stromal cells in the bone marrow, and we have therefore investigated the effects of these drugs on primary human endothelial cells and the osteoblastic Cal72 cell line. The results show that VPA and Ara-C have antiproliferative effects, and the antiproliferative/cytotoxic effect of Ara-C was seen at low concentrations corresponding to serum levels found during low-dose in vivo treatment. Furthermore, in functional assays of endothelial migration and tube formation VPA elicited an antiangiogenic effect, whereas ATRA elicited a proangiogenic effect. Finally, VPA and ATRA altered the endothelial cell release of angiogenic mediators; ATRA increased levels of CXCL8, PDGF-AA, and VEGF-D, while VPA decreased VEGF-D and PDGF-AA/BB levels and both drugs reduced MMP-2 levels. Several of these mediators can enhance AML cell proliferation and/or are involved in AML-induced bone marrow angiogenesis, and direct pharmacological effects on stromal cells may thus indirectly contribute to the overall antileukemic activity of this triple drug combination.
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Liu N, Zhang J, Ji C. The emerging roles of Notch signaling in leukemia and stem cells. Biomark Res 2013; 1:23. [PMID: 24252593 PMCID: PMC4177577 DOI: 10.1186/2050-7771-1-23] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Accepted: 07/15/2013] [Indexed: 12/16/2022] Open
Abstract
The Notch signaling pathway plays a critical role in maintaining the balance between cell proliferation, differentiation and apoptosis, and is a highly conserved signaling pathway that regulates normal development in a context- and dose-dependent manner. Dysregulation of Notch signaling has been suggested to be key events in a variety of hematological malignancies. Notch1 signaling appears to be the central oncogenic trigger in T cell acute lymphoblastic leukemia (T-ALL), in which the majority of human malignancies have acquired mutations that lead to constitutive activation of Notch1 signaling. However, emerging evidence unexpectedly demonstrates that Notch signaling can function as a potent tumor suppressor in other forms of leukemia. This minireview will summarize recent advances related to the roles of activated Notch signaling in human lymphocytic leukemia, myeloid leukemia, stem cells and stromal microenvironment, and we will discuss the perspectives of Notch signaling as a potential therapeutic target as well.
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Affiliation(s)
- Na Liu
- Department of Hematology, Qilu Hospital, Shandong University, 107 West Wenhua Road, Jinan, Shandong 250012, P, R, China.
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46
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Pezeshkian B, Donnelly C, Tamburo K, Geddes T, Madlambayan GJ. Leukemia Mediated Endothelial Cell Activation Modulates Leukemia Cell Susceptibility to Chemotherapy through a Positive Feedback Loop Mechanism. PLoS One 2013; 8:e60823. [PMID: 23560111 PMCID: PMC3613371 DOI: 10.1371/journal.pone.0060823] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Accepted: 03/03/2013] [Indexed: 12/31/2022] Open
Abstract
In acute myeloid leukemia (AML), the chances of achieving disease-free survival are low. Studies have demonstrated a supportive role of endothelial cells (ECs) in normal hematopoiesis. Here we show that similar intercellular relationships exist in leukemia. We demonstrate that leukemia cells themselves initiate these interactions by directly modulating the behavior of resting ECs through the induction of EC activation. In this inflammatory state, activated ECs induce the adhesion of a sub-set of leukemia cells through the cell adhesion molecule E-selectin. These adherent leukemia cells are sequestered in a quiescent state and are unaffected by chemotherapy. The ability of adherent cells to later detach and again become proliferative following exposure to chemotherapy suggests a role of this process in relapse. Interestingly, differing leukemia subtypes modulate this process to varying degrees, which may explain the varied response of AML patients to chemotherapy and relapse rates. Finally, because leukemia cells themselves induce EC activation, we postulate a positive-feedback loop in leukemia that exists to support the growth and relapse of the disease. Together, the data defines a new mechanism describing how ECs and leukemia cells interact during leukemogenesis, which could be used to develop novel treatments for those with AML.
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Affiliation(s)
- Bahareh Pezeshkian
- Department of Biological Sciences, Oakland University, Rochester, Michigan, United States of America
| | - Christopher Donnelly
- Department of Biological Sciences, Oakland University, Rochester, Michigan, United States of America
| | - Kelley Tamburo
- Department of Biological Sciences, Oakland University, Rochester, Michigan, United States of America
| | - Timothy Geddes
- Radiation Oncology, William Beaumont Health System, Royal Oak, Michigan, United States of America
| | - Gerard J. Madlambayan
- Department of Biological Sciences, Oakland University, Rochester, Michigan, United States of America
- * E-mail:
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47
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Reikvam H, Fredly H, Kittang AO, Bruserud Ø. The possible diagnostic and prognostic use of systemic chemokine profiles in clinical medicine—the experience in acute myeloid leukemia from disease development and diagnosis via conventional chemotherapy to allogeneic stem cell transplantation. Toxins (Basel) 2013; 5:336-62. [PMID: 23430540 PMCID: PMC3640539 DOI: 10.3390/toxins5020336] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 02/05/2013] [Accepted: 02/06/2013] [Indexed: 12/29/2022] Open
Abstract
Chemokines are important regulators of many different biological processes, including (i) inflammation with activation and local recruitment of immunocompetent cells; (ii) angiogenesis as a part of inflammation or carcinogenesis; and (iii) as a bridge between the coagulation system and inflammation/immune activation. The systemic levels of various chemokines may therefore reflect local disease processes, and such variations may thereby be used in the routine clinical handling of patients. The experience from patients with myeloproliferative diseases, and especially patients with acute myeloid leukemia (AML), suggests that systemic plasma/serum cytokine profiles can be useful, both as a diagnostic tool and for prognostication of patients. However, cytokines/chemokines are released by a wide range of cells and are involved in a wide range of biological processes; the altered levels may therefore mainly reflect the strength and nature of the biological processes, and the optimal clinical use of chemokine/cytokine analyses may therefore require combination with organ-specific biomarkers. Chemokine levels are also altered by clinical procedures, therapeutic interventions and the general status of the patients. A careful standardization of sample collection is therefore important, and the interpretation of the observations will require that the overall clinical context is considered. Despite these limitations, we conclude that analysis of systemic chemokine/cytokine profiles can reflect important clinical characteristics and, therefore, is an important scientific tool that can be used as a part of future clinical studies to identify clinically relevant biomarkers.
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Affiliation(s)
- Håkon Reikvam
- Section for Hematology, Department of Medicine, Haukeland University Hospital, Bergen N-5021, Norway; E-Mails: (H.R.); (H.F.)
- Institute of Medicine, University of Bergen, Bergen N-5021, Norway; E-Mail:
| | - Hanne Fredly
- Section for Hematology, Department of Medicine, Haukeland University Hospital, Bergen N-5021, Norway; E-Mails: (H.R.); (H.F.)
- Institute of Medicine, University of Bergen, Bergen N-5021, Norway; E-Mail:
| | | | - Øystein Bruserud
- Section for Hematology, Department of Medicine, Haukeland University Hospital, Bergen N-5021, Norway; E-Mails: (H.R.); (H.F.)
- Institute of Medicine, University of Bergen, Bergen N-5021, Norway; E-Mail:
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Zhang J, Ye J, Ma D, Liu N, Wu H, Yu S, Sun X, Tse W, Ji C. Cross-talk between leukemic and endothelial cells promotes angiogenesis by VEGF activation of the Notch/Dll4 pathway. Carcinogenesis 2012; 34:667-77. [PMID: 23239744 DOI: 10.1093/carcin/bgs386] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Angiogenesis is suggested to be important for leukemogenesis and chemosensitivity in acute myeloid leukemia (AML). The vascular endothelial growth factor (VEGF) and Notch/Dll4 pathways have been identified as critical in the regulation of embryonic vascular development and tumor angiogenesis. However, the potential role of the Notch/Dll4 pathway in leukemia-endothelium cross-talk and its functional link with VEGF remains obscure. This study assessed the expression of VEGF and Notch/Dll4 pathway molecules in primary AML and investigated their biological function in the coculture of endothelial cells with AML cells. The results demonstrated that bone marrow vascularity in the newly diagnosed AML patients was increased and correlated with high VEGF and Dll4 expression. Patients with untreated AML expressed higher levels of VEGFR2, Notch1, Dll4 and Hes1 than healthy controls. Moreover, the activation of the Notch/Dll4 pathway is associated with poor prognosis in AML. In addition, AML cells were shown to increase endothelial cell proliferation in Transwell coculture. This was associated with concomitant activation of the Notch/Dll4 pathway and upregulation of its downstream genes, such as matrix metalloproteinases, resulting in the enhancement of endothelial cell migration and tube formation. Our study also showed that upregulation of Dll4 expression in AML cells by cDNA transfection suppressed VEGF-induced endothelial cell proliferation and angiogenesis in direct contact coculture. These results elucidate a novel mechanism by which the interplay between AML and endothelial cells promotes angiogenesis through the Notch/Dll4 pathway. Modulation of this pathway may, therefore, hold promise as a novel antiangiogenic strategy for the treatment of AML.
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Affiliation(s)
- Jingru Zhang
- Department of Hematology, Qilu Hospital, Shandong University, Jinan 250012, China
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49
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Huan J, Hornick NI, Shurtleff MJ, Skinner AM, Goloviznina NA, Roberts CT, Kurre P. RNA trafficking by acute myelogenous leukemia exosomes. Cancer Res 2012; 73:918-29. [PMID: 23149911 DOI: 10.1158/0008-5472.can-12-2184] [Citation(s) in RCA: 200] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Extrinsic signaling cues in the microenvironment of acute myelogenous leukemia (AML) contribute to disease progression and therapy resistance. Yet, it remains unknown how the bone marrow niche in which AML arises is subverted to support leukemic persistence at the expense of homeostatic function. Exosomes are cell membrane-derived vesicles carrying protein and RNA cargoes that have emerged as mediators of cell-cell communication. In this study, we examined the role of exosomes in developing the AML niche of the bone marrow microenvironment, investigating their biogenesis with a focus on RNA trafficking. We found that both primary AML and AML cell lines released exosome-sized vesicles that entered bystander cells. These exosomes were enriched for several coding and noncoding RNAs relevant to AML pathogenesis. Furthermore, their uptake by bone marrow stromal cells altered their secretion of growth factors. Proof-of-concept studies provided additional evidence for the canonical functions of the transferred RNA. Taken together, our findings revealed that AML exosome trafficking alters the proliferative, angiogenic, and migratory responses of cocultured stromal and hematopoietic progenitor cell lines, helping explain how the microenvironmental niche becomes reprogrammed during invasion of the bone marrow by AML.
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Affiliation(s)
- Jianya Huan
- Department of Pediatrics, Oregon Health & Science University, Portland, Oregon 97239, USA
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50
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Hatfield KJ, Evensen L, Reikvam H, Lorens JB, Bruserud Ø. Soluble mediators released by acute myeloid leukemia cells increase capillary-like networks. Eur J Haematol 2012; 89:478-90. [DOI: 10.1111/ejh.12016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/19/2012] [Indexed: 12/24/2022]
Affiliation(s)
- Kimberley J. Hatfield
- Section for Hematology; Department of Medicine; Haukeland University Hospital; Bergen; Norway
| | - Lasse Evensen
- Institute of Biomedicine; University of Bergen; Bergen; Norway
| | - Håkon Reikvam
- Department of Hematology; Institute of Medicine, University of Bergen; Bergen; Norway
| | - James B. Lorens
- Institute of Biomedicine; University of Bergen; Bergen; Norway
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