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Liu Y, Wang X, Feng H, Li X, Yang R, Zhang M, Du Y, Liu R, Luo M, Li Z, Liu B, Wang J, Wang W, An F, Niu F, He P. Glutathione-depleting Liposome Adjuvant for Augmenting the Efficacy of a Glutathione Covalent Inhibitor Oridonin for Acute Myeloid Leukemia Therapy. J Nanobiotechnology 2024; 22:299. [PMID: 38812031 PMCID: PMC11137913 DOI: 10.1186/s12951-024-02574-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 05/20/2024] [Indexed: 05/31/2024] Open
Abstract
BACKGROUND Discrepancies in the utilization of reactive oxygen species (ROS) between cancer cells and their normal counterparts constitute a pivotal juncture for the precise treatment of cancer, delineating a noteworthy trajectory in the field of targeted therapies. This phenomenon is particularly conspicuous in the domain of nano-drug precision treatment. Despite substantial strides in employing nanoparticles to disrupt ROS for cancer therapy, current strategies continue to grapple with challenges pertaining to efficacy and specificity. One of the primary hurdles lies in the elevated levels of intracellular glutathione (GSH). Presently, predominant methods to mitigate intracellular GSH involve inhibiting its synthesis or promoting GSH efflux. However, a conspicuous gap remains in the absence of a strategy capable of directly and efficiently clearing GSH. METHODS We initially elucidated the chemical mechanism underpinning oridonin, a diminutive pharmacological agent demonstrated to perturb reactive oxygen species, through its covalent interaction with glutathione. Subsequently, we employed the incorporation of maleimide-liposomes, renowned for their capacity to disrupt the ROS delivery system, to ameliorate the drug's water solubility and pharmacokinetics, thereby enhancing its ROS-disruptive efficacy. In a pursuit to further refine the targeting for acute myeloid leukemia (AML), we harnessed the maleic imide and thiol reaction mechanism, facilitating the coupling of Toll-like receptor 2 (TLR2) peptides to the liposomes' surface via maleic imide. This strategic approach offers a novel method for the precise removal of GSH, and its enhancement endeavors are directed towards fortifying the precision and efficacy of the drug's impact on AML targets. RESULTS We demonstrated that this peptide-liposome-small molecule machinery targets AML and consequently induces cell apoptosis both in vitro and in vivo through three disparate mechanisms: (I) Oridonin, as a Michael acceptor molecule, inhibits GSH function through covalent bonding, triggering an initial imbalance of oxidative stress. (II) Maleimide further induces GSH exhaustion, aggravating redox imbalance as a complementary augment with oridonin. (III) Peptide targets TLR2, enhances the directivity and enrichment of oridonin within AML cells. CONCLUSION The rationally designed nanocomplex provides a ROS drug enhancement and targeted delivery platform, representing a potential solution by disrupting redox balance for AML therapy.
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Affiliation(s)
- Yi Liu
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Xiaoning Wang
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Hui Feng
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Xinyan Li
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Runyu Yang
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Mengyao Zhang
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Yue Du
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Ruimin Liu
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Minna Luo
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Zhiyi Li
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Bo Liu
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Jincheng Wang
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Wenjuan Wang
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China
| | - Feifei An
- School of Public Health, Health Science Center, Xi'an Jiaotong University, No.76 Yanta West Road, Xi'an, Shaanxi, 710061, China.
| | - Fan Niu
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China.
| | - Pengcheng He
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta West Road, Xi'an, Shaanxi, 710061, China.
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Yang Z, Dong R, Mao X, He XC, Li L. Stress-protecting harbors for hematopoietic stem cells. Curr Opin Cell Biol 2024; 86:102284. [PMID: 37995509 DOI: 10.1016/j.ceb.2023.102284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/26/2023] [Accepted: 11/01/2023] [Indexed: 11/25/2023]
Abstract
Hematopoietic stem cells (HSCs) rely on specialized microenvironments known as niches to maintain their self-renewal and multilineage potential to generate diverse types of blood cells continuously. Over the last two decades, substantial advancements have been made in unraveling the niche cell components and HSC localizations under homeostatic and stressed circumstances. Advances in imaging, combined with the discovery of phenotypic surface markers combinations and single cell sequencing, have greatly facilitated the systematic examination of HSC localizations. This review aims to present a summary of HSC localizations, highlighting potential distinctions between phenotypically and functionally defined HSCs, and explore the functionality of niches in ensuring the integrity and long-term maintenance of HSCs.
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Affiliation(s)
- Zhe Yang
- Stowers Institute for Medical Research, 1000 E. 50th St., Kansas City, MO 64110, USA
| | - Ruochen Dong
- Stowers Institute for Medical Research, 1000 E. 50th St., Kansas City, MO 64110, USA
| | - Xinjian Mao
- Stowers Institute for Medical Research, 1000 E. 50th St., Kansas City, MO 64110, USA
| | - Xi C He
- Stowers Institute for Medical Research, 1000 E. 50th St., Kansas City, MO 64110, USA
| | - Linheng Li
- Stowers Institute for Medical Research, 1000 E. 50th St., Kansas City, MO 64110, USA; University of Kansas Medical Center, Department of Pathology and Laboratory Medicine, Kansas City, KS 66160, USA.
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Zafeiropoulou K, Kalampounias G, Alexis S, Androutsopoulou T, Katsoris P, Symeonidis A. Lower-Risk Myelodysplastic Syndrome (MDS) Patients Exhibit Diminished Proteasome Proteolytic Activity and High Intracellular Reactive Oxygen Species (ROS) Levels. Cureus 2023; 15:e49843. [PMID: 38169896 PMCID: PMC10758539 DOI: 10.7759/cureus.49843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/02/2023] [Indexed: 01/05/2024] Open
Abstract
Myelodysplastic syndromes (MDS) constitute a heterogeneous group of clonal hematopoietic stem cell disorders characterized by ineffective hematopoiesis and an elevated risk of transformation to acute myeloid leukemia (AML). Available disease-modifying treatment approaches are limited. The ineffectiveness of proteasome inhibitors (PIs) in MDS patients is currently investigated, although it is unclear whether they rapidly develop resistance to PIs or whether proteasome proteolytic activity (PPA) is constitutively lower in the hematopoietic cells of these patients, thus limiting treatment effectiveness. We investigated 20 patients with MDS, categorized according to the International Prognostic Scoring System (IPSS) into a lower- or a higher-risk group. Peripheral blood mononuclear cells, bone marrow mononuclear cells, and cluster of differentiation 34-positive (CD34+) cells were isolated and assessed for the chymotrypsin-like activity of the proteasome and β5 subunit accumulation. Additionally, intracellular reactive oxygen species (ROS) generation was screened. The lower-risk patient group (n=10) exhibited significantly lower proteasome activity (p<0.001) compared to both the higher-risk group (n=10) and healthy subjects (n=10). Furthermore, the lower-risk group had elevated oxidative stress levels (p<0.0001) and reduced β5 subunit expression (p=0.0286). Both parameters were shown to be associated with transfusion dependency, since transfusion-dependent patients (n=5 in each subgroup) had decreased proteasome activity and simultaneously exhibited higher ROS levels. Our results indicate that reduced β5 expression might potentially explain PIs' ineffectiveness in lower-risk MDS, elucidating the importance of the risk group in the selection of the proper treatment algorithm.
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Affiliation(s)
| | | | | | | | | | - Argiris Symeonidis
- School of Medicine, University of Patras, Patras, GRC
- Hematology Division, Department of Internal Medicine, University General Hospital of Patras, Patras, GRC
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Wang N, Chen C, Cheng Y, Fu Y, Zhong Z, Yang Y, Lv L, Chen H, Huang J, Duan Y. Hypoxia drives hematopoiesis with the enhancement of T lineage through eliciting arterial specification of hematopoietic endothelial progenitors from hESC. Stem Cell Res Ther 2022; 13:282. [PMID: 35765115 PMCID: PMC9241298 DOI: 10.1186/s13287-022-02967-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 06/19/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Hematopoietic stem cells are able to self-renew and differentiate into all blood cell lineages. Hematopoietic stem cell transplantation is a mainstay of life-saving therapy for hematopoietic malignancies and hypoproliferative disorders. In vitro hematopoietic differentiation of human pluripotent stem cells (hPSCs) is a promising approach for modeling hematopoietic development and cell replacement therapies. Although using hPSCs to derive hematopoietic progenitor cells has achieved some successes in the past, differentiation from hPSCs to produce all hematopoietic cells which can provide robust long-term multilineage engraftment is still very difficult. Here, we reported a novel culture system for hematopoietic differentiation from human embryonic stem cells (hESCs) with optimal cytokines combinations under hypoxia condition. METHODS In vitro production of T lineage hematopoietic stem/progenitor cells from hESCs by using hypoxia differentiation system, the effects and the potential mechanism of hypoxia promoting T lineage hematopoiesis were investigated by RT-qPCR validation, cell cycle assay and flow cytometry analysis. RESULTS Using our differentiation system, almost 80% CD45+ cells generated from hESCs were hematopoietic cells and particularly could be further induced into CD3+TCRαβ+ T cells in vitro. We detected more CD34+CD144+ hematopoietic endothelial progenitors (HEPs) induced from hESCs than those in normoxia conditions, and the early HEPs-related gene DLL4 was upregulated by enhancing the hypoxia signaling via potential HIF-1α/NOTCH1/DLL4 axis to enhance arterial feature, thus drove T lineage during the hematopoiesis. Strikingly, hematopoietic cells generated in our system exhibited the potential for all multilineage reconstruction including lymphoid, myeloid and erythroid lineages in vivo by transplantation assay. CONCLUSION Our results demonstrated that hypoxia plays an important role in T lineage hematopoiesis by promoting the expression of arterial endothelial gene DLL4 and upregulation of NOTCH1 through the activation of the HIF-1α signaling pathway. These results provide a significant approach for in vitro and in vivo production of fully functional hematopoietic stem/progenitor cells from hESCs.
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Affiliation(s)
- Ning Wang
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 510006, People's Republic of China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences and School of Medicine, Higher Education Mega Center, South China University of Technology, No.382 Waihuan East Road, Suite 406, Guangzhou, 510006, People's Republic of China
| | - Chuxin Chen
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, People's Republic of China
| | - Yang Cheng
- Department of Gynaecology and Obstetrics, Guangzhou First People's Hospital, Guangzhou, 510180, People's Republic of China
| | - Yingjie Fu
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences and School of Medicine, Higher Education Mega Center, South China University of Technology, No.382 Waihuan East Road, Suite 406, Guangzhou, 510006, People's Republic of China
| | - Zhiyong Zhong
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 510006, People's Republic of China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences and School of Medicine, Higher Education Mega Center, South China University of Technology, No.382 Waihuan East Road, Suite 406, Guangzhou, 510006, People's Republic of China
| | - Yu Yang
- Department of Gynaecology and Obstetrics, Guangzhou First People's Hospital, Guangzhou, 510180, People's Republic of China
| | - Ling Lv
- Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guang Zhou Road, Nanjing, 210029, People's Republic of China.
| | - Honglin Chen
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences and School of Medicine, Higher Education Mega Center, South China University of Technology, No.382 Waihuan East Road, Suite 406, Guangzhou, 510006, People's Republic of China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, People's Republic of China.
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, People's Republic of China.
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, People's Republic of China.
| | - Jian Huang
- Coriell Institute for Medical Research, Camden, NJ, USA.
- Cooper Medical School of Rowan University, Camden, NJ, USA.
| | - Yuyou Duan
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences and School of Medicine, Higher Education Mega Center, South China University of Technology, No.382 Waihuan East Road, Suite 406, Guangzhou, 510006, People's Republic of China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, People's Republic of China.
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, People's Republic of China.
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, People's Republic of China.
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Nakamura M, Nakamura J, Mochizuki C, Kuroda C, Kato S, Haruta T, Kakefuda M, Sato S, Tamanoi F, Sugino N. Analysis of cell-nanoparticle interactions and imaging of in vitro labeled cells showing barcorded endosomes using fluorescent thiol-organosilica nanoparticles surface-functionalized with polyethyleneimine. NANOSCALE ADVANCES 2022; 4:2682-2703. [PMID: 36132282 PMCID: PMC9417756 DOI: 10.1039/d1na00839k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 04/18/2022] [Indexed: 06/15/2023]
Abstract
Biomedical imaging using cell labeling is an important technique to visualize cell dynamics in the body. To label cells, thiol-organosilica nanoparticles (thiol-OS) containing fluorescein (thiol-OS/Flu) and rhodamine B (thiol-OS/Rho) were surface-functionalized with polyethyleneimine (PEI) (OS/Flu-PEI and OS/Rho-PEI) with 4 molecular weights (MWs). We hypothesized PEI structures such as brush, bent brush, bent lie-down, and coiled types on the surface depending on MWs based on dynamic light scattering and thermal gravimetric analyses. The labeling efficacy of OS/Flu-PEIs was dependent on the PEI MW and the cell type. A dual-particle administration study using thiol-OS and OS-PEIs revealed differential endosomal sorting of the particles depending on the surface of the NPs. The endosomes in the labeled cells using OS/Flu-PEI and thiol-OS/Rho revealed various patterns of fluorescence termed barcoded endosomes. The cells labeled with OS-PEI in vitro were administrated to mice intraperitoneally after in situ labeling of peritoneal cells using thiol-OS/Rho. The in vitro labeled cells were detected and identified in cell aggregates in vivo seamlessly. The labeled cells with barcoded endosomes were also identified in cell aggregates. Biomedical imaging of in vitro OS-PEI-labeled cells combined with in situ labeled cells showed high potential for observation of cell dynamics.
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Affiliation(s)
- Michihiro Nakamura
- Department of Organ Anatomy and Nanomedicine, Graduate School of Medicine, Yamaguchi University 1-1-1 Minami-Kogushi Ube Yamaguchi 755-8505 Japan
| | - Junna Nakamura
- Department of Organ Anatomy and Nanomedicine, Graduate School of Medicine, Yamaguchi University 1-1-1 Minami-Kogushi Ube Yamaguchi 755-8505 Japan
| | - Chihiro Mochizuki
- Department of Organ Anatomy and Nanomedicine, Graduate School of Medicine, Yamaguchi University 1-1-1 Minami-Kogushi Ube Yamaguchi 755-8505 Japan
| | - Chika Kuroda
- Department of Organ Anatomy and Nanomedicine, Graduate School of Medicine, Yamaguchi University 1-1-1 Minami-Kogushi Ube Yamaguchi 755-8505 Japan
| | - Shigeki Kato
- Department of Organ Anatomy and Nanomedicine, Graduate School of Medicine, Yamaguchi University 1-1-1 Minami-Kogushi Ube Yamaguchi 755-8505 Japan
| | | | - Mayu Kakefuda
- EM Application Group, EM Business Unit, JEOL Ltd. Japan
| | - Shun Sato
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Yamaguchi University 1-1-1 Minami-Kogushi Ube Yamaguchi 755-8505 Japan
| | - Fuyuhiko Tamanoi
- Department of Microbiology, Immunology and Molecular Genetics, University of California Los Angeles CA 90095 USA
- Institute for Integrated Cell-Material Sciences, Institute for Advanced Study, Kyoto University Yoshida-Honmachi, Sakyo-ku Kyoto 606-8501 Japan
| | - Norihiro Sugino
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Yamaguchi University 1-1-1 Minami-Kogushi Ube Yamaguchi 755-8505 Japan
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Man Y, Lu Z, Yao X, Gong Y, Yang T, Wang Y. Recent Advancements in Poor Graft Function Following Hematopoietic Stem Cell Transplantation. Front Immunol 2022; 13:911174. [PMID: 35720412 PMCID: PMC9202575 DOI: 10.3389/fimmu.2022.911174] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 05/06/2022] [Indexed: 01/05/2023] Open
Abstract
Poor graft function (PGF) is a life-threatening complication that occurs after transplantation and has a poor prognosis. With the rapid development of haploidentical hematopoietic stem cell transplantation, the pathogenesis of PGF has become an important issue. Studies of the pathogenesis of PGF have resulted in some success in CD34+-selected stem cell boosting. Mesenchymal stem cells, N-acetyl-l-cysteine, and eltrombopag have also been investigated as therapeutic strategies for PGF. However, predicting and preventing PGF remains challenging. Here, we propose that the seed, soil, and insect theories of aplastic anemia also apply to PGF; CD34+ cells are compared to seeds; the bone marrow microenvironment to soil; and virus infection, iron overload, and donor-specific anti-human leukocyte antigen antibodies to insects. From this perspective, we summarize the available information on the common risk factors of PGF, focusing on its potential mechanism. In addition, the safety and efficacy of new strategies for treating PGF are discussed to provide a foundation for preventing and treating this complex clinical problem.
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Affiliation(s)
- Yan Man
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Zhixiang Lu
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Xiangmei Yao
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Yuemin Gong
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, China
| | - Tonghua Yang
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People’s Hospital of Yunnan Province, Kunming, China,*Correspondence: Tonghua Yang, ; Yajie Wang,
| | - Yajie Wang
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People’s Hospital of Yunnan Province, Kunming, China,*Correspondence: Tonghua Yang, ; Yajie Wang,
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The Impact of Hypoxia in Early Pregnancy on Placental Cells. Int J Mol Sci 2021; 22:ijms22189675. [PMID: 34575844 PMCID: PMC8466283 DOI: 10.3390/ijms22189675] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/04/2021] [Accepted: 09/05/2021] [Indexed: 12/14/2022] Open
Abstract
Oxygen levels in the placental microenvironment throughout gestation are not constant, with severe hypoxic conditions present during the first trimester. This hypoxic phase overlaps with the most critical stages of placental development, i.e., blastocyst implantation, cytotrophoblast invasion, and spiral artery remodeling initiation. Dysregulation of any of these steps in early gestation can result in pregnancy loss and/or adverse pregnancy outcomes. Hypoxia has been shown to regulate not only the self-renewal, proliferation, and differentiation of trophoblast stem cells and progenitor cells, but also the recruitment, phenotype, and function of maternal immune cells. In this review, we will summarize how oxygen levels in early placental development determine the survival, fate, and function of several important cell types, e.g., trophoblast stem cells, extravillous trophoblasts, syncytiotrophoblasts, uterine natural killer cells, Hofbauer cells, and decidual macrophages. We will also discuss the cellular mechanisms used to cope with low oxygen tensions, such as the induction of hypoxia-inducible factor (HIF) or mammalian target of rapamycin (mTOR) signals, regulation of the metabolic pathway, and adaptation to autophagy. Understanding the beneficial roles of hypoxia in early placental development will provide insights into the root cause(s) of some pregnancy disorders, such as spontaneous abortion, preeclampsia, and intrauterine growth restriction.
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De R, Prakash KU, Edison ES. Complex Interactions in Regulation of Haematopoiesis-An Unexplored Iron Mine. Genes (Basel) 2021; 12:genes12081270. [PMID: 34440444 PMCID: PMC8391430 DOI: 10.3390/genes12081270] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/10/2021] [Accepted: 07/13/2021] [Indexed: 12/14/2022] Open
Abstract
Iron is one of the most abundant metals on earth and is vital for the growth and survival of life forms. It is crucial for the functioning of plants and animals as it is an integral component of the photosynthetic apparatus and innumerable proteins and enzymes. It plays a pivotal role in haematopoiesis and affects the development and differentiation of different haematopoietic lineages, apart from its obvious necessity in erythropoiesis. A large amount of iron stores in humans is diverted towards the latter process, as iron is an indispensable component of haemoglobin. This review summarises the important players of iron metabolism and homeostasis that have been discovered in recent years and highlights the overall significance of iron in haematopoiesis. Its role in maintenance of haematopoietic stem cells, influence on differentiation of varied haematopoietic lineages and consequences of iron deficiency/overloading on development and maturation of different groups of haematopoietic cells have been discussed.
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A connexin/ifi30 pathway bridges HSCs with their niche to dampen oxidative stress. Nat Commun 2021; 12:4484. [PMID: 34301940 PMCID: PMC8302694 DOI: 10.1038/s41467-021-24831-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 07/10/2021] [Indexed: 12/22/2022] Open
Abstract
Reactive oxygen species (ROS) represent a by-product of metabolism and their excess is toxic for hematopoietic stem and progenitor cells (HSPCs). During embryogenesis, a small number of HSPCs are produced from the hemogenic endothelium, before they colonize a transient organ where they expand, for example the fetal liver in mammals. In this study, we use zebrafish to understand the molecular mechanisms that are important in the caudal hematopoietic tissue (equivalent to the mammalian fetal liver) to promote HSPC expansion. High levels of ROS are deleterious for HSPCs in this niche, however this is rescued by addition of antioxidants. We show that Cx41.8 is important to lower ROS levels in HSPCs. We also demonstrate a new role for ifi30, known to be involved in the immune response. In the hematopoietic niche, Ifi30 can recycle oxidized glutathione to allow HSPCs to dampen their levels of ROS, a role that could be conserved in human fetal liver. Reactive oxygen species (ROS) are metabolic by-products which in excess can be toxic for hematopoietic stem and progenitor cells (HSPCs). Here the authors show that toxic ROS are transferred by expanding HSPCs to the zebrafish developmental niche via connexin Cx41.8, where Ifi30 promotes their detoxification.
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10
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Exploiting the reactive oxygen species imbalance in high-risk paediatric acute lymphoblastic leukaemia through auranofin. Br J Cancer 2021; 125:55-64. [PMID: 33837299 PMCID: PMC8257682 DOI: 10.1038/s41416-021-01332-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 01/31/2021] [Accepted: 02/19/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The prognosis for high-risk childhood acute leukaemias remains dismal and established treatment protocols often cause long-term side effects in survivors. This study aims to identify more effective and safer therapeutics for these patients. METHODS A high-throughput phenotypic screen of a library of 3707 approved drugs and pharmacologically active compounds was performed to identify compounds with selective cytotoxicity against leukaemia cells followed by further preclinical evaluation in patient-derived xenograft models. RESULTS Auranofin, an FDA-approved agent for the treatment of rheumatoid arthritis, was identified as exerting selective anti-cancer activity against leukaemia cells, including patient-derived xenograft cells from children with high-risk ALL, versus solid tumour and non-cancerous cells. It induced apoptosis in leukaemia cells by increasing reactive oxygen species (ROS) and potentiated the activity of the chemotherapeutic cytarabine against highly aggressive models of infant MLL-rearranged ALL by enhancing DNA damage accumulation. The enhanced sensitivity of leukaemia cells towards auranofin was associated with lower basal levels of the antioxidant glutathione and higher baseline ROS levels compared to solid tumour cells. CONCLUSIONS Our study highlights auranofin as a well-tolerated drug candidate for high-risk paediatric leukaemias that warrants further preclinical investigation for application in high-risk paediatric and adult acute leukaemias.
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Silva WN, Costa AC, Picoli CC, Rocha BGS, Santos GSP, Costa PAC, Azimnasab-sorkhabi P, Soltani-asl M, da Silva RA, Amorim JH, Resende RR, Mintz A, Birbrair A. Hematopoietic stem cell stretches and moves in its bone marrow niche. Crit Rev Oncol Hematol 2021; 163:103368. [PMID: 34051302 PMCID: PMC8277710 DOI: 10.1016/j.critrevonc.2021.103368] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 04/28/2021] [Accepted: 05/03/2021] [Indexed: 12/20/2022] Open
Abstract
Hematopoietic stem cells are the most illustrious inhabitants of the bone marrow. Direct visualization of endogenous hematopoietic stem cells in this niche is essential to study their functions. Until recently this was not possible in live animals. Recent studies, using state-of-the-art technologies, including sophisticated in vivo inducible genetic approaches in combination with two-photon laser scanning microscopy, allow the follow-up of endogenous hematopoietic stem cells' behavior in their habitat. Strikingly, the new findings reveal that quiescent hematopoietic stem cells are more mobile than previously thought, and link their retained steady state within the niche to a mobile behavior. The arising knowledge from this research will be critical for the therapy of several hematological diseases. Here, we review recent progress in our understanding of hematopoietic stem cell biology in their niches.
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Affiliation(s)
- Walison N. Silva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Alinne C. Costa
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Caroline C. Picoli
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Beatriz G. S. Rocha
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Pedro A. C. Costa
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Maryam Soltani-asl
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | | | - Rodrigo R. Resende
- Center of Biological Sciences and Health, Federal University of West Bahia, Barreiras, BA, Brazil
| | - Akiva Mintz
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
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12
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Ludikhuize MC, Rodríguez Colman MJ. Metabolic Regulation of Stem Cells and Differentiation: A Forkhead Box O Transcription Factor Perspective. Antioxid Redox Signal 2021; 34:1004-1024. [PMID: 32847377 DOI: 10.1089/ars.2020.8126] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Significance: Stem cell activation and differentiation occur along changes in cellular metabolism. Metabolic transitions translate into changes in redox balance, cell signaling, and epigenetics, thereby regulating these processes. Metabolic transitions are key regulators of cell fate and exemplify the moonlighting nature of many metabolic enzymes and their associated metabolites. Recent Advances: Forkhead box O transcription factors (FOXOs) are bona fide regulators of cellular homeostasis. FOXOs are multitasking proteins able to regulate cell cycle, cellular metabolism, and redox state. Recent and ongoing research poses FOXOs as key factors in stem cell maintenance and differentiation in several tissues. Critical Issues: The multitasking nature of FOXOs and their tissue-specific expression patterns hinders to disclose a possible conserved mechanism of regulation of stem cell maintenance and differentiation. Moreover, cellular metabolism, cell signaling, and epigenetics establish complex regulatory interactions, which challenge the establishment of the causal/temporal nature of metabolic changes and stem cell activation and differentiation. Future Directions: The development of single-cell technologies and in vitro models able to reproduce the dynamics of stem cell differentiation are actively contributing to define the role of metabolism in this process. This knowledge is key to understanding and designing therapies for those pathologies where the balance between proliferation and differentiation is lost. Importantly, metabolic interventions could be applied to optimize stem cell cultures meant for therapeutical applications, such as transplantations, to treat autoimmune and degenerative disorders. Antioxid. Redox Signal. 34, 1004-1024.
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Affiliation(s)
- Marlies Corine Ludikhuize
- Molecular Cancer Research, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - María José Rodríguez Colman
- Molecular Cancer Research, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
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13
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β3-Adrenoreceptors as ROS Balancer in Hematopoietic Stem Cell Transplantation. Int J Mol Sci 2021; 22:ijms22062835. [PMID: 33799536 PMCID: PMC8000316 DOI: 10.3390/ijms22062835] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/01/2021] [Accepted: 03/07/2021] [Indexed: 12/18/2022] Open
Abstract
In the last decades, the therapeutic potential of hematopoietic stem cell transplantation (HSCT) has acquired a primary role in the management of a broad spectrum of diseases including cancer, hematologic conditions, immune system dysregulations, and inborn errors of metabolism. The different types of HSCT, autologous and allogeneic, include risks of severe complications including acute and chronic graft-versus-host disease (GvHD) complications, hepatic veno-occlusive disease, lung injury, and infections. Despite being a dangerous procedure, it improved patient survival. Hence, its use was extended to treat autoimmune diseases, metabolic disorders, malignant infantile disorders, and hereditary skeletal dysplasia. HSCT is performed to restore or treat various congenital conditions in which immunologic functions are compromised, for instance, by chemo- and radiotherapy, and involves the administration of hematopoietic stem cells (HSCs) in patients with depleted or dysfunctional bone marrow (BM). Since HSCs biology is tightly regulated by oxidative stress (OS), the control of reactive oxygen species (ROS) levels is important to maintain their self-renewal capacity. In quiescent HSCs, low ROS levels are essential for stemness maintenance; however, physiological ROS levels promote HSC proliferation and differentiation. High ROS levels are mainly involved in short-term repopulation, whereas low ROS levels are associated with long-term repopulating ability. In this review, we aim summarize the current state of knowledge about the role of β3-adrenoreceptors (β3-ARs) in regulating HSCs redox homeostasis. β3-ARs play a major role in regulating stromal cell differentiation, and the antagonist SR59230A promotes differentiation of different progenitor cells in hematopoietic tumors, suggesting that β3-ARs agonism and antagonism could be exploited for clinical benefit.
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14
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Wang F, Wei D, Suo Y, Zhu X, Yuan Y, Gao W, Jiang H, Wei X, Chen T. In vivo flow cytometry combined with intravital microscopy to monitor kinetics of transplanted bone marrow mononuclear cells in peripheral blood and bone marrow. Mol Biol Rep 2019; 47:1-10. [DOI: 10.1007/s11033-019-04608-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 01/16/2019] [Indexed: 12/26/2022]
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15
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Kim J, Bixel MG. Intravital Multiphoton Imaging of the Bone and Bone Marrow Environment. Cytometry A 2019; 97:496-503. [DOI: 10.1002/cyto.a.23937] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/30/2019] [Accepted: 11/05/2019] [Indexed: 12/11/2022]
Affiliation(s)
- JungMo Kim
- Department of Tissue MorphogenesisMax Planck Institute for Molecular Biomedicine D‐48149 Münster Germany
| | - Maria Gabriele Bixel
- Department of Tissue MorphogenesisMax Planck Institute for Molecular Biomedicine D‐48149 Münster Germany
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16
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Hirata Y, Kakiuchi M, Robson SC, Fujisaki J. CD150 high CD4 T cells and CD150 high regulatory T cells regulate hematopoietic stem cell quiescence via CD73. Haematologica 2019; 104:1136-1142. [PMID: 30545927 PMCID: PMC6545860 DOI: 10.3324/haematol.2018.198283] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 12/10/2018] [Indexed: 12/31/2022] Open
Abstract
Various extrinsic signals tightly control hematopoietic stem cell quiescence. Our recent study showed that hematopoietic stem cells are regulated by a special FoxP3+ regulatory T-cell population with high expression of a hematopoietic stem cell marker, CD150. Extracellular adenosine generated via a cell-surface ectoenzyme CD39 on CD150high regulatory T cells maintained hematopoietic stem cell quiescence. It remains unclear how conventional T cells and the other cell-surface ectoenzyme, CD73, contribute to regulation of hematopoietic stem cells. This work shows that CD150high regulatory T cells as well as unique CD150high CD4+ conventional T cells regulate hematopoietic stem cells via CD73. Global CD73 deletion increased the numbers of hematopoietic stem cells, cycling stem cell frequencies, and levels of reactive oxygen species in hematopoietic stem cells. In vivo antioxidant treatment inhibited the increase of hematopoietic stem cells in CD73 knockout mice, suggesting that CD73 maintains stem cell quiescence by preventing oxidative stress. High levels of CD73 expression were frequently found on CD150high regulatory T cells and CD150high FoxP3-CD4+ T cells within the bone marrow. Transfer of these CD150high regulatory T cells and CD150high CD4+ conventional T cells abolished the increase of hematopoietic stem cells in CD73 knockout mice. In addition, the increase of stem cells in CD73 knockout mice was also inhibited by pharmacological activation of adenosine receptor 2A which is highly expressed by hematopoietic stem cells. Taken together, these results suggest that CD73 of CD150high regulatory T cells and CD150high CD4+ conventional T cells protects hematopoietic stem cells from oxidative stress, maintaining stem cell quiescence via adenosine receptor 2A.
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Affiliation(s)
- Yuichi Hirata
- Columbia Center for Translational Immunology, Columbia University College of Physicians and Surgeons, New York, NY, USA
- Columbia Stem Cell Initiative, Columbia University College of Physicians and Surgeons, New York, NY, USA
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA
- MSD K.K., Tokyo, Japan
| | - Miwako Kakiuchi
- Columbia Center for Translational Immunology, Columbia University College of Physicians and Surgeons, New York, NY, USA
- Columbia Stem Cell Initiative, Columbia University College of Physicians and Surgeons, New York, NY, USA
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - Simon C Robson
- Department of Medicine, Liver Center and Transplantation Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Joji Fujisaki
- Columbia Center for Translational Immunology, Columbia University College of Physicians and Surgeons, New York, NY, USA
- Columbia Stem Cell Initiative, Columbia University College of Physicians and Surgeons, New York, NY, USA
- Department of Pediatrics, Division of Hematology and Oncology, Columbia University College of Physicians and Surgeons, New York, NY, USA
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17
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Di Genua C, Norfo R, Rodriguez-Meira A, Wen WX, Drissen R, Booth CAG, Povinelli B, Repapi E, Gray N, Carrelha J, Kettyle LM, Jamieson L, Neo WH, Thongjuea S, Nerlov C, Mead AJ. Cell-intrinsic depletion of Aml1-ETO-expressing pre-leukemic hematopoietic stem cells by K-Ras activating mutation. Haematologica 2019; 104:2215-2224. [PMID: 30975913 PMCID: PMC6821613 DOI: 10.3324/haematol.2018.205351] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 04/09/2019] [Indexed: 12/15/2022] Open
Abstract
Somatic mutations in acute myeloid leukemia are acquired sequentially and hierarchically. First, pre-leukemic mutations, such as t(8;21) that encodes AML1-ETO, are acquired within the hematopoietic stem cell (HSC) compartment, while signaling pathway mutations, including KRAS activating mutations, are late events acquired during transformation of leukemic progenitor cells and are rarely detectable in HSC. This raises the possibility that signaling pathway mutations are detrimental to clonal expansion of pre-leukemic HSC. To address this hypothesis, we used conditional genetics to introduce Aml1-ETO and K-RasG12D into murine HSC, either individually or in combination. In the absence of activated Ras, Aml1-ETO-expressing HSC conferred a competitive advantage. However, activated K-Ras had a marked detrimental effect on Aml1-ETO-expressing HSC, leading to loss of both phenotypic and functional HSC. Cell cycle analysis revealed a loss of quiescence in HSC co-expressing Aml1-ETO and K-RasG12D, accompanied by an enrichment in E2F and Myc target gene expression and depletion of HSC self-renewal-associated gene expression. These findings provide a mechanistic basis for the observed absence of KRAS signaling mutations in the pre-malignant HSC compartment.
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Affiliation(s)
| | | | | | - Wei Xiong Wen
- MRC Molecular Haematology Unit.,WIMM Centre for Computational Biology
| | | | | | | | - Emmanouela Repapi
- Computational Biology Research Group, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Nicki Gray
- Computational Biology Research Group, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | | | | | | | | | - Supat Thongjuea
- MRC Molecular Haematology Unit.,WIMM Centre for Computational Biology
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18
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Mitochondrial Role in Stemness and Differentiation of Hematopoietic Stem Cells. Stem Cells Int 2019; 2019:4067162. [PMID: 30881461 PMCID: PMC6381553 DOI: 10.1155/2019/4067162] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/24/2018] [Indexed: 01/07/2023] Open
Abstract
Quiescent and self-renewing hematopoietic stem cells (HSCs) rely on glycolysis rather than on mitochondrial oxidative phosphorylation (OxPHOS) for energy production. HSC reliance on glycolysis is considered an adaptation to the hypoxic environment of the bone marrow (BM) and reflects the low energetic demands of HSCs. Metabolic rewiring from glycolysis to mitochondrial-based energy generation accompanies HSC differentiation and lineage commitment. Recent evidence, however, highlights that alterations in mitochondrial metabolism and activity are not simply passive consequences but active drivers of HSC fate decisions. Modulation of mitochondrial activity and metabolism is therefore critical for maintaining the self-renewal potential of primitive HSCs and might be beneficial for ex vivo expansion of transplantable HSCs. In this review, we emphasize recent advances in the emerging role of mitochondria in hematopoiesis, cellular reprograming, and HSC fate decisions.
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19
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Tjin G, Flores-Figueroa E, Duarte D, Straszkowski L, Scott M, Khorshed RA, Purton LE, Lo Celso C. Imaging methods used to study mouse and human HSC niches: Current and emerging technologies. Bone 2019; 119:19-35. [PMID: 29704697 DOI: 10.1016/j.bone.2018.04.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/23/2018] [Accepted: 04/23/2018] [Indexed: 12/18/2022]
Abstract
Bone marrow contains numerous different cell types arising from hematopoietic stem cells (HSCs) and non-hematopoietic mesenchymal/skeletal stem cells, in addition to other cell types such as endothelial cells- these non-hematopoietic cells are commonly referred to as stromal cells or microenvironment cells. HSC function is intimately linked to complex signals integrated by their niches, formed by combinations of hematopoietic and stromal cells. Studies of hematopoietic cells have been significantly advanced by flow cytometry methods, enabling the quantitation of each cell type in normal and perturbed situations, in addition to the isolation of these cells for molecular and functional studies. Less is known, however, about the specific niches for distinct developing hematopoietic lineages, or the changes occurring in the niche size and function in these distinct anatomical sites in the bone marrow under stress situations and ageing. Significant advances in imaging technology during the last decade have permitted studies of HSC niches in mice. Additional imaging technologies are emerging that will facilitate the study of human HSC niches in trephine BM biopsies. Here we provide an overview of imaging technologies used to study HSC niches, in addition to highlighting emerging technology that will help us to more precisely identify and characterize HSC niches in normal and diseased states.
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Affiliation(s)
- Gavin Tjin
- St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia
| | - Eugenia Flores-Figueroa
- Oncology Research Unit, Oncology Hospital, National Medical Center Century XXI, Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico
| | - Delfim Duarte
- Department of Life Sciences, Sir Alexander Fleming Building, Imperial College London, London, UK; The Sir Francis Crick Institute, London, UK
| | - Lenny Straszkowski
- St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia
| | - Mark Scott
- Department of Life Sciences, Sir Alexander Fleming Building, Imperial College London, London, UK; Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
| | - Reema A Khorshed
- Department of Life Sciences, Sir Alexander Fleming Building, Imperial College London, London, UK
| | - Louise E Purton
- St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia; The University of Melbourne, Department of Medicine at St Vincent's Hospital, Fitzroy, Victoria, Australia.
| | - Cristina Lo Celso
- Department of Life Sciences, Sir Alexander Fleming Building, Imperial College London, London, UK; The Sir Francis Crick Institute, London, UK.
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20
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Leukemia Stem Cells in the Pathogenesis, Progression, and Treatment of Acute Myeloid Leukemia. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1143:95-128. [DOI: 10.1007/978-981-13-7342-8_5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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21
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Choi SA, Kim YH, Park YH, Yang HJ, Jeong PS, Cha JJ, Yoon SB, Kim JS, Song BS, Lee JH, Sim BW, Huh JW, Song IS, Lee SR, Kim MK, Kim JM, Bae YS, Imakawa K, Kim SU, Chang KT. Novel crosstalk between Vps26a and Nox4 signaling during neurogenesis. Cell Death Differ 2018; 26:1582-1599. [PMID: 30464227 PMCID: PMC6748115 DOI: 10.1038/s41418-018-0226-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 09/21/2018] [Accepted: 09/28/2018] [Indexed: 12/25/2022] Open
Abstract
Despite numerous studies on the molecular switches governing the conversion of stemness to differentiation in embryonic stem cells (ESCs), little is known about the involvement of the retromer complex. Under neural differentiation conditions, Vps26a deficiency (Vps26a-/-) or knockdown suppressed the loss of stemness and subsequent neurogenesis from ESCs or embryonic carcinoma cells, respectively, as evidenced by the long-lasting expression of stemness markers and the slow appearance of neuronal differentiation markers. Interestingly, relatively low reactive oxygen species (ROS) levels were generated during differentiation of Vps26a-/- ESCs, and treatment with an antioxidant or inhibitor of NADPH oxidase (Nox), a family of ROS-generating enzymes, led to restoration of stemness in wild-type cells to the level of Vps26a-/- cells during neurogenesis. Importantly, a novel interaction between Vps26a and Nox4 linked to the activation of ERK1/2 depended highly on ROS levels during neurogenesis, which were strongly suppressed in differentiating Vps26a-/- ESCs. Moreover, inhibition of phosphorylated ERK1/2 (pERK1/2) resulted in decreased ROS and Nox4 levels, indicating the mutual dependency between pERK1/2 and Nox4-derived ROS during neurogenesis. These results suggest that Vps26a regulates stemness by actively cooperating with the Nox4/ROS/ERK1/2 cascade during neurogenesis. Our findings have important implications for understanding the regulation of stemness via crosstalk between the retromer molecule and redox signaling, and may contribute to the development of ESC-based therapeutic strategies for the mass production of target cells.
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Affiliation(s)
- Seon-A Choi
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Laboratory of Animal Reproduction and Physiology, Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Young-Hyun Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Young-Ho Park
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Hae-Jun Yang
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Pil-Soo Jeong
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Jae-Jin Cha
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Seung-Bin Yoon
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Ji-Su Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Bong-Seok Song
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Jong-Hee Lee
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Bo-Woong Sim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Jae-Won Huh
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - In-Sung Song
- Department of Biomedical Sciences, College of Medicine, Ulsan University, Asan Medical Center, Seoul, 05505, Republic of Korea
| | - Sang-Rae Lee
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Min-Kyu Kim
- Laboratory of Animal Reproduction and Physiology, Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jin-Man Kim
- College of Medicine, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Yun Soo Bae
- Department of Life Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Kazuhiko Imakawa
- Animal Resource Science Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Ibaraki, 319-0206, Japan.,Institute of Agricultural Sciences, Tokai University, Kumamoto, 862-8652, Japan
| | - Sun-Uk Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea.
| | - Kyu-Tae Chang
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea.
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22
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Morales-Hernández A, Martinat A, Chabot A, Kang G, McKinney-Freeman S. Elevated Oxidative Stress Impairs Hematopoietic Progenitor Function in C57BL/6 Substrains. Stem Cell Reports 2018; 11:334-347. [PMID: 30017822 PMCID: PMC6093083 DOI: 10.1016/j.stemcr.2018.06.011] [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: 09/21/2017] [Revised: 06/13/2018] [Accepted: 06/14/2018] [Indexed: 12/29/2022] Open
Abstract
C57BL/6N (N) and C57BL/6J (J) mice possess key genetic differences, including a deletion in the Nicotinamide nucleotide transhydrogenase (Nnt) gene that results in a non-functional protein in J mice. NNT regulates mitochondrial oxidative stress. Although elevated oxidative stress can compromise hematopoietic stem and progenitor cell (HSPC) function, it is unknown whether N- and J-HSPCs are functionally equivalent. Here, we report that J-HSPCs display compromised short-term hematopoietic repopulating activity relative to N-HSPCs that is defined by a delay in lymphoid reconstitution and impaired function of specific multi-potent progenitor populations post transplant. J-HSPCs also displayed elevated reactive oxygen species (ROS) relative to N-HSPCs post transplant and upregulate ROS levels more in response to hematopoietic stress. Nnt knockdown in N-HSPCs recapitulated J-HSPCs’ short-term repopulating defect, indicating that NNT loss contributes to this defect. In summary, C57BL/6N and C57BL/6J HSPCs are not functionally equivalent, which should be considered when determining the substrain most appropriate for investigations of HSPC biology. C57BL/6J-HSPCs display a repopulating disadvantage relative to C57BL/6N-HSPCs C57BL/6J-HSPCs display greater oxidative stress post transplant than C57BL/6N-HSPCs Nnt loss contributes to the functional differences between C57BL/6N and C57BL/6J-HSPCs MPP3 and MPP4 are the HSPCs populations responsible for the repopulating differences
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Affiliation(s)
| | - Alice Martinat
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Ashley Chabot
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Guolian Kang
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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23
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Heterocellular molecular contacts in the mammalian stem cell niche. Eur J Cell Biol 2018; 97:442-461. [PMID: 30025618 DOI: 10.1016/j.ejcb.2018.07.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 07/03/2018] [Indexed: 12/16/2022] Open
Abstract
Adult tissue homeostasis and repair relies on prompt and appropriate intervention by tissue-specific adult stem cells (SCs). SCs have the ability to self-renew; upon appropriate stimulation, they proliferate and give rise to specialized cells. An array of environmental signals is important for maintenance of the SC pool and SC survival, behavior, and fate. Within this special microenvironment, commonly known as the stem cell niche (SCN), SC behavior and fate are regulated by soluble molecules and direct molecular contacts via adhesion molecules providing connections to local supporting cells and the extracellular matrix. Besides the extensively discussed array of soluble molecules, the expression of adhesion molecules and molecular contacts is another fundamental mechanism regulating niche occupancy and SC mobilization upon activation. Some adhesion molecules are differentially expressed and have tissue-specific consequences, likely reflecting the structural differences in niche composition and design, especially the presence or absence of a stromal counterpart. However, the distribution and identity of intercellular molecular contacts for adhesion and adhesion-mediated signaling within stromal and non-stromal SCN have not been thoroughly studied. This review highlights common details or significant differences in cell-to-cell contacts within representative stromal and non-stromal niches that could unveil new standpoints for stem cell biology and therapy.
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Bai L, Best G, Xia W, Peters L, Wong K, Ward C, Greenwood M. Expression of Intracellular Reactive Oxygen Species in Hematopoietic Stem Cells Correlates with Time to Neutrophil and Platelet Engraftment in Patients Undergoing Autologous Bone Marrow Transplantation. Biol Blood Marrow Transplant 2018; 24:1997-2002. [PMID: 29933068 DOI: 10.1016/j.bbmt.2018.06.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 06/08/2018] [Indexed: 11/26/2022]
Abstract
Reactive oxygen species (ROS) play important roles in hematopoiesis and regulate the self-renewal, migration, and myeloid differentiation of hematopoietic stem cells (HSCs). This study was conducted to determine whether ROS levels in donor HSCs correlate with neutrophil and platelet engraftment in patients after bone marrow transplantation. Cryopreserved HSC samples from 51 patients who underwent autologous transplantation were studied. Levels of intracellular ROS were assessed by flow cytometry using 2',7'-dichlorodihydrofluorescein diacetate (H2DCFDA) in the CD45+/CD34+ HSC population. Colony forming unit assays were performed on HSCs isolated from the ROShigh and ROSlow populations to assess the differentiation potential of these 2 cell subsets. Distinct populations of ROShigh and ROSlow cells were evident in all patient samples. The median percentage of ROShigh expressing HSCs in the study cohort was 75.8% (range, 2% to 95.2%). A significant correlation was identified between the percentage of ROShigh stem cells present in the hematopoietic progenitor cells collected by apheresis product infused and the time to neutrophil engraftment (P < .001, r = -.54), as well as time to plt20, plt50, and plt100 (P < 0.001; r = -.55, -.59, and -.56 respectively). The dose of CD34+/ROShigh/kg infused also inversely correlated with a shorter time to neutrophil engraftment; time to engraftment for patients receiving > or ≤3 × 106 cells/kg was 11.5 days (range, 9 to 23) versus 14 days (range, 10 to 28), respectively (P = .02). The dose of ROShigh HSCs delivered did not correlate with platelet engraftment. Collectively, these data suggest that the dose of ROShigh stem cells delivered to patients may predict time to neutrophil engraftment after autologous transplantation.
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Affiliation(s)
- Lijun Bai
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia; Cellular Therapeutic Laboratory, Northern Blood Research Centre, Kolling Research Institute, Sydney, New South Wales, Australia.
| | - Giles Best
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia; Cellular Therapeutic Laboratory, Northern Blood Research Centre, Kolling Research Institute, Sydney, New South Wales, Australia
| | - Wei Xia
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia; Cellular Therapeutic Laboratory, Northern Blood Research Centre, Kolling Research Institute, Sydney, New South Wales, Australia
| | - Lyndsay Peters
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia
| | - Kelly Wong
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia
| | - Christopher Ward
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia; Cellular Therapeutic Laboratory, Northern Blood Research Centre, Kolling Research Institute, Sydney, New South Wales, Australia
| | - Matthew Greenwood
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia; Cellular Therapeutic Laboratory, Northern Blood Research Centre, Kolling Research Institute, Sydney, New South Wales, Australia
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25
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Sargenti A, Castiglioni S, Olivi E, Bianchi F, Cazzaniga A, Farruggia G, Cappadone C, Merolle L, Malucelli E, Ventura C, Maier JAM, Iotti S. Magnesium Deprivation Potentiates Human Mesenchymal Stem Cell Transcriptional Remodeling. Int J Mol Sci 2018; 19:ijms19051410. [PMID: 29747379 PMCID: PMC5983826 DOI: 10.3390/ijms19051410] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 05/03/2018] [Accepted: 05/05/2018] [Indexed: 12/21/2022] Open
Abstract
Magnesium plays a pivotal role in energy metabolism and in the control of cell growth. While magnesium deprivation clearly shapes the behavior of normal and neoplastic cells, little is known on the role of this element in cell differentiation. Here we show that magnesium deficiency increases the transcription of multipotency markers and tissue-specific transcription factors in human adipose-derived mesenchymal stem cells exposed to a mixture of natural molecules, i.e., hyaluronic, butyric and retinoid acids, which tunes differentiation. We also demonstrate that magnesium deficiency accelerates the osteogenic differentiation of human bone marrow-derived mesenchymal stem cells. We argue that magnesium deprivation generates a stressful condition that modulates stem cell plasticity and differentiation potential. These studies indicate that it is possible to remodel transcription in mesenchymal stem cells by lowering extracellular magnesium without the need for genetic manipulation, thus offering new hints for regenerative medicine applications.
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Affiliation(s)
- Azzurra Sargenti
- Department of Pharmacy and Biotechnology, University of Bologna, 40127 Bologna, Italy.
| | - Sara Castiglioni
- Department of Biomedical and Clinical Sciences 'L. Sacco', University of Milan, 20157 Milan, Italy.
| | - Elena Olivi
- GUNA-ATTRE (Advanced Therapies and Tissue Regeneration), Innovation Accelerator at CNR, Via Gobetti 101, 40129 Bologna, Italy.
- National Institute of Biostructures and Biosystems (NIBB), 00136 Rome, Italy.
| | - Francesca Bianchi
- National Institute of Biostructures and Biosystems (NIBB), 00136 Rome, Italy.
| | - Alessandra Cazzaniga
- Department of Biomedical and Clinical Sciences 'L. Sacco', University of Milan, 20157 Milan, Italy.
| | - Giovanna Farruggia
- Department of Pharmacy and Biotechnology, University of Bologna, 40127 Bologna, Italy.
- National Institute of Biostructures and Biosystems (NIBB), 00136 Rome, Italy.
| | - Concettina Cappadone
- Department of Pharmacy and Biotechnology, University of Bologna, 40127 Bologna, Italy.
| | - Lucia Merolle
- Transfusion Medicine Unit, Azienda Usl di Reggio Emilia-IRCCS, 42123 Reggio Emilia, Italy.
| | - Emil Malucelli
- Department of Pharmacy and Biotechnology, University of Bologna, 40127 Bologna, Italy.
| | - Carlo Ventura
- GUNA-ATTRE (Advanced Therapies and Tissue Regeneration), Innovation Accelerator at CNR, Via Gobetti 101, 40129 Bologna, Italy.
- National Institute of Biostructures and Biosystems (NIBB), 00136 Rome, Italy.
- National Laboratory of Molecular Biology and Stem Cell Engineering-Eldor Lab, Innovation Accelerator at CNR, Via Gobetti 101, 40129 Bologna, Italy.
| | - Jeanette A M Maier
- Department of Biomedical and Clinical Sciences 'L. Sacco', University of Milan, 20157 Milan, Italy.
| | - Stefano Iotti
- Department of Pharmacy and Biotechnology, University of Bologna, 40127 Bologna, Italy.
- National Institute of Biostructures and Biosystems (NIBB), 00136 Rome, Italy.
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26
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Hirata Y, Furuhashi K, Ishii H, Li HW, Pinho S, Ding L, Robson SC, Frenette PS, Fujisaki J. CD150 high Bone Marrow Tregs Maintain Hematopoietic Stem Cell Quiescence and Immune Privilege via Adenosine. Cell Stem Cell 2018; 22:445-453.e5. [PMID: 29456159 PMCID: PMC6534147 DOI: 10.1016/j.stem.2018.01.017] [Citation(s) in RCA: 162] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 09/19/2017] [Accepted: 01/19/2018] [Indexed: 12/22/2022]
Abstract
A crucial player in immune regulation, FoxP3+ regulatory T cells (Tregs) are drawing attention for their heterogeneity and noncanonical functions. Here, we describe a Treg subpopulation that controls hematopoietic stem cell (HSC) quiescence and engraftment. These Tregs highly expressed an HSC marker, CD150, and localized within the HSC niche in the bone marrow (BM). Specific reduction of BM Tregs achieved by conditional deletion of CXCR4 in Tregs increased HSC numbers in the BM. Adenosine generated via the CD39 cell surface ectoenzyme on niche Tregs protected HSCs from oxidative stress and maintained HSC quiescence. In transplantation settings, niche Tregs prevented allogeneic (allo-) HSC rejection through adenosine and facilitated allo-HSC engraftment. Furthermore, transfer of niche Tregs promoted allo-HSC engraftment to a much greater extent than transfer of other Tregs. These results identify a unique niche-associated Treg subset and adenosine as regulators of HSC quiescence, abundance, and engraftment, further highlighting their therapeutic utility.
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Affiliation(s)
- Yuichi Hirata
- Columbia Center for Translational Immunology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA; Columbia Stem Cell Initiative, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
| | - Kazuhiro Furuhashi
- Columbia Center for Translational Immunology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA; Columbia Stem Cell Initiative, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
| | - Hiroshi Ishii
- Columbia Center for Translational Immunology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA; Columbia Stem Cell Initiative, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
| | - Hao Wei Li
- Columbia Center for Translational Immunology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
| | - Sandra Pinho
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research and Departments of Cell Biology and Medicine, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA
| | - Lei Ding
- Columbia Stem Cell Initiative, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA; Departments of Microbiology/Immunology and Rehabilitation and Regenerative Medicine, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
| | - Simon C Robson
- Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Paul S Frenette
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research and Departments of Cell Biology and Medicine, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA
| | - Joji Fujisaki
- Columbia Center for Translational Immunology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA; Columbia Stem Cell Initiative, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA; Department of Pediatrics, Division of Hematology and Oncology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA.
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27
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García-Prat L, Sousa-Victor P, Muñoz-Cánoves P. Proteostatic and Metabolic Control of Stemness. Cell Stem Cell 2018; 20:593-608. [PMID: 28475885 DOI: 10.1016/j.stem.2017.04.011] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Adult stem cells, particularly those resident in tissues with little turnover, are largely quiescent and only activate in response to regenerative demands, while embryonic stem cells continuously replicate, suggesting profoundly different regulatory mechanisms within distinct stem cell types. In recent years, evidence linking metabolism, mitochondrial dynamics, and protein homeostasis (proteostasis) as fundamental regulators of stem cell function has emerged. Here, we discuss new insights into how these networks control potency, self-renewal, differentiation, and aging of highly proliferative embryonic stem cells and quiescent adult stem cells, with a focus on hematopoietic and muscle stem cells and implications for anti-aging research.
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Affiliation(s)
- Laura García-Prat
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), E-08003 Barcelona, Spain; Spanish National Center on Cardiovascular Research (CNIC), E-28029 Madrid, Spain; Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
| | - Pedro Sousa-Victor
- Paul F. Glenn Center for Biology of Aging Research, Buck Institute for Research on Aging, Novato, CA 94945-1400, USA
| | - Pura Muñoz-Cánoves
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), E-08003 Barcelona, Spain; Spanish National Center on Cardiovascular Research (CNIC), E-28029 Madrid, Spain; ICREA, E-08010 Barcelona, Spain.
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28
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Kong Y, Song Y, Hu Y, Shi MM, Wang YT, Wang Y, Zhang XH, Xu LP, Liu KY, Deng HK, Huang XJ. Increased reactive oxygen species and exhaustion of quiescent CD34-positive bone marrow cells may contribute to poor graft function after allotransplants. Oncotarget 2017; 7:30892-906. [PMID: 27105530 PMCID: PMC5058726 DOI: 10.18632/oncotarget.8810] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 03/31/2016] [Indexed: 11/25/2022] Open
Abstract
Poor graft function (PGF) is a fatal complication following allogeneic haematopoietic stem cell transplantation. However, the underlying mechanism is unclear. Effective cross-talk between haematopoietic stem cells (HSCs) and bone marrow microenvironment is important for normal haematopoiesis. Normal HSCs reside in a hypoxic bone marrow microenvironment that protects them from oxidative stress that would otherwise inhibit their self-renewal and results in bone marrow failure. Whether an increased level of reactive oxygen species (ROS) causes PGF following allotransplant is unclear. Using a prospective case-pair study, we identified increased levels of ROS in CD34+ bone marrow cells in subjects with PGF. Elevated ROS levels was associated with an increased frequency of DNA strand breaks, apoptosis, exhaustion of quiescent CD34+ cells and defective colony-forming unit plating efficiency, particularly in the CD34+CD38- fraction. Up-regulated intracellular p53, p21, caspase-3 and caspase-9 levels (but not p38) were detected in CD34+ cells, particularly in the CD34+CD38- fraction. To further study the potential role of ROS levels in post-transplant haematopoiesis, CD34+ bone marrow cells from subjects with good graft function were treated with H2O2. This increased ROS levels resulting in defective CD34+ cells, an effect partially reversed by N-acetyl-L-cysteine. Moreover, CD34+ bone marrow cells from the donors to subjects with poor or good graft function exhibited comparable haematopoietic reconstitution capacities in the xeno-transplanted NOD-PrkdcscidIL2rgnull mice. Thus, even if the transplanted donors' bone marrow CD34+ cells are functionally normal pre-transplant, ROS-induced apoptosis may contribute to the exhaustion of CD34+ bone marrow cells in subjects with PGF following allotransplant.
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Affiliation(s)
- Yuan Kong
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Yang Song
- Peking University People's Hospital, Peking University Institute of Hematology, 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
| | - Yue Hu
- Peking University People's Hospital, Peking University Institute of Hematology, 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
| | - Min-Min Shi
- Peking University People's Hospital, Peking University Institute of Hematology, 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
| | - Yu-Tong Wang
- Peking University People's Hospital, Peking University Institute of Hematology, 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, 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, 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, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Kai-Yan Liu
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Hong-Kui Deng
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China.,Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, School of Life Sciences, Peking University, Beijing, China
| | - Xiao-Jun Huang
- Peking University People's Hospital, Peking University Institute of Hematology, 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
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29
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Longitudinal intravital imaging of the femoral bone marrow reveals plasticity within marrow vasculature. Nat Commun 2017; 8:2153. [PMID: 29255233 PMCID: PMC5735140 DOI: 10.1038/s41467-017-01538-9] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 09/25/2017] [Indexed: 01/14/2023] Open
Abstract
The bone marrow is a central organ of the immune system, which hosts complex interactions of bone and immune compartments critical for hematopoiesis, immunological memory, and bone regeneration. Although these processes take place over months, most existing imaging techniques allow us to follow snapshots of only a few hours, at subcellular resolution. Here, we develop a microendoscopic multi-photon imaging approach called LIMB (longitudinal intravital imaging of the bone marrow) to analyze cellular dynamics within the deep marrow. The approach consists of a biocompatible plate surgically fixated to the mouse femur containing a gradient refractive index lens. This microendoscope allows highly resolved imaging, repeatedly at the same regions within marrow tissue, over months. LIMB reveals extensive vascular plasticity during bone healing and steady-state homeostasis. To our knowledge, this vascular plasticity is unique among mammalian tissues, and we expect this insight will decisively change our understanding of essential phenomena occurring within the bone marrow. Longitudinal imaging of bone marrow would shed insight into long-term cellular dynamics within this compartment. Here, the authors develop a multi-photon imaging approach for the mouse femur and reveal extensive vascular plasticity within the bone marrow during bone healing and steady-state homeostasis.
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30
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Passaro D, Di Tullio A, Abarrategi A, Rouault-Pierre K, Foster K, Ariza-McNaughton L, Montaner B, Chakravarty P, Bhaw L, Diana G, Lassailly F, Gribben J, Bonnet D. Increased Vascular Permeability in the Bone Marrow Microenvironment Contributes to Disease Progression and Drug Response in Acute Myeloid Leukemia. Cancer Cell 2017; 32:324-341.e6. [PMID: 28870739 PMCID: PMC5598545 DOI: 10.1016/j.ccell.2017.08.001] [Citation(s) in RCA: 157] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 04/25/2017] [Accepted: 08/01/2017] [Indexed: 12/11/2022]
Abstract
The biological and clinical behaviors of hematological malignancies can be influenced by the active crosstalk with an altered bone marrow (BM) microenvironment. In the present study, we provide a detailed picture of the BM vasculature in acute myeloid leukemia using intravital two-photon microscopy. We found several abnormalities in the vascular architecture and function in patient-derived xenografts (PDX), such as vascular leakiness and increased hypoxia. Transcriptomic analysis in endothelial cells identified nitric oxide (NO) as major mediator of this phenotype in PDX and in patient-derived biopsies. Moreover, induction chemotherapy failing to restore normal vasculature was associated with a poor prognosis. Inhibition of NO production reduced vascular permeability, preserved normal hematopoietic stem cell function, and improved treatment response in PDX.
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Affiliation(s)
- Diana Passaro
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Alessandro Di Tullio
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Ander Abarrategi
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Kevin Rouault-Pierre
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Katie Foster
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Linda Ariza-McNaughton
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Beatriz Montaner
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Probir Chakravarty
- Bioinformatic Core Unit, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Leena Bhaw
- Advanced Sequencing Unit, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Giovanni Diana
- MRC Centre for Developmental Neurobiology, King's College London, London, UK
| | - François Lassailly
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - John Gribben
- Department of Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London EC1M 6BQ, UK
| | - Dominique Bonnet
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
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31
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Pilo F, Angelucci E. A storm in the niche: Iron, oxidative stress and haemopoiesis. Blood Rev 2017; 32:29-35. [PMID: 28847531 DOI: 10.1016/j.blre.2017.08.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 08/05/2017] [Accepted: 08/11/2017] [Indexed: 12/18/2022]
Abstract
Iron, although essential, is harmful in high amounts. Oxidative stress as a result of excess reactive oxygen species (ROS) and a prooxidative/antioxidative imbalance between ROS production and elimination, play a key role in cellular damage. There is evidence to support the role of ROS in the pathogenesis of a range of diseases including the myelodysplastic syndromes (MDS) and leukaemia. Oxidative stress seems to affect the self-renewal, proliferation and differentiation of haematopoietic stem cells and impair cell growth. Three aspects of these defective haemopoietic mechanisms may be associated with the activities of ROS: clonal evolution, haematological improvement and recovery of haemopoiesis after haematopoietic stem cell transplantation (HSCT). This review aims to provide haematologists with an overview of results from in vitro and murine models and preliminary clinical evidence on the diagnostic, prognostic and therapeutic implications of the complex interactions between the haemopoietic niche, iron, oxidative stress and inadequate haemopoiesis.
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Affiliation(s)
- Federica Pilo
- Hematology and Transplant Center, Ospedale Oncologico di Riferimento Regionale "Armando Businco", Azienda Ospedaliera Brotzu, Cagliari, Italy..
| | - Emanuele Angelucci
- Hematology and Transplant Center, Ospedale Policlinico San Martino, Genova, Italy.
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32
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Secklehner J, Lo Celso C, Carlin LM. Intravital microscopy in historic and contemporary immunology. Immunol Cell Biol 2017; 95:506-513. [PMID: 28366932 PMCID: PMC6095455 DOI: 10.1038/icb.2017.25] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 03/16/2017] [Accepted: 03/17/2017] [Indexed: 12/31/2022]
Abstract
In this review, we discuss intravital microscopy of immune cells, starting from its historic origins to current applications in diverse organs. It is clear from a quantitative review of the literature that intravital microscopy is a key tool in both historic and contemporary immunological research, providing unique advances in our understanding of immune responses. We have chosen to focus this review on how intravital microscopy methodologies are used to image specific organs or systems and we present recent descriptions of fundamental immunological processes that could not have been achieved by other methods. The following target organs/systems are discussed in more detail: cremaster muscle, skin (ear and dorsal skin fold chamber), lymph node, liver, lung, mesenteric vessels, carotid artery, bone marrow, brain, spleen, foetus and lastly vessels of the knee joint.
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Affiliation(s)
- Judith Secklehner
- Cancer Research UK Beatson Institute, Garscube Campus, Switchback Road, Bearsden, Glasgow G61 1BD, UK
- Inflammation, Repair & Development, National Heart & Lung Institute, Imperial College London, Sir Alexander Fleming Building, South Kensington, London SW7 2AZ, UK
| | - Cristina Lo Celso
- Department of Life Sciences, Imperial College London, Sir Alexander Fleming Building, South Kensington, London SW7 2AZ, UK
- The Francis Crick Institute, 1 Midland Road, London NW1A 1AT, UK
| | - Leo M. Carlin
- Cancer Research UK Beatson Institute, Garscube Campus, Switchback Road, Bearsden, Glasgow G61 1BD, UK
- Inflammation, Repair & Development, National Heart & Lung Institute, Imperial College London, Sir Alexander Fleming Building, South Kensington, London SW7 2AZ, UK
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33
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Procedures and applications of long-term intravital microscopy. Methods 2017; 128:52-64. [PMID: 28669866 DOI: 10.1016/j.ymeth.2017.06.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 06/22/2017] [Accepted: 06/24/2017] [Indexed: 01/05/2023] Open
Abstract
Intravital microscopy (IVM) is increasingly used in biomedical research to study dynamic processes at cellular and subcellular resolution in their natural environment. Long-term IVM especially can be applied to visualize migration and proliferation over days to months within the same animal without recurrent surgeries. Skin can be repetitively imaged without surgery. To intermittently visualize cells in other organs, such as liver, mammary gland and brain, different imaging windows including the abdominal imaging window (AIW), dermal imaging window (DIW) and cranial imaging window (CIW) have been developed. In this review, we describe the procedure of window implantation and pros and cons of each technique as well as methods to retrace a position of interest over time. In addition, different fluorescent biosensors to facilitate the tracking of cells for different purposes, such as monitoring cell migration and proliferation, are discussed. Finally, we consider new techniques and possibilities of how long-term IVM can be even further improved in the future.
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34
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Morikawa T, Takubo K. Use of Imaging Techniques to Illuminate Dynamics of Hematopoietic Stem Cells and Their Niches. Front Cell Dev Biol 2017; 5:62. [PMID: 28660186 PMCID: PMC5468376 DOI: 10.3389/fcell.2017.00062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 05/24/2017] [Indexed: 01/01/2023] Open
Abstract
Continuous generation of blood cells over an organism's lifetime is supported by hematopoietic stem/progenitor cells (HSPCs) capable of producing all hematopoietic cell subtypes. Adult mammalian HSPCs are localized to bone marrow and regulated by their neighboring microenvironment, or "niche." Because interactions of HSPCs with their niches are highly dynamic and complex, the recent development of imaging technologies provides a powerful new tool to understand stem cell/niche biology. In this review, we discuss recent advances in our understanding of dynamic HSPC/niche interactions during development, homeostasis, disease states or aging with a focus on studies advanced by imaging analysis. We also summarize methods to visualize HSPCs and niche cells in vivo, including use of HSPC reporter mice and chemical probes. Findings emerging from these investigations could suggest novel therapies for diseases and aging.
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Affiliation(s)
| | - Keiyo Takubo
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and MedicineTokyo, Japan
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35
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Regulation of Inflammation- and Infection-Driven Hematopoiesis. Trends Immunol 2017; 38:345-357. [DOI: 10.1016/j.it.2017.01.004] [Citation(s) in RCA: 141] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 01/23/2017] [Accepted: 01/24/2017] [Indexed: 12/21/2022]
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Ambrosi TH, Scialdone A, Graja A, Gohlke S, Jank AM, Bocian C, Woelk L, Fan H, Logan DW, Schürmann A, Saraiva LR, Schulz TJ. Adipocyte Accumulation in the Bone Marrow during Obesity and Aging Impairs Stem Cell-Based Hematopoietic and Bone Regeneration. Cell Stem Cell 2017; 20:771-784.e6. [PMID: 28330582 PMCID: PMC5459794 DOI: 10.1016/j.stem.2017.02.009] [Citation(s) in RCA: 537] [Impact Index Per Article: 76.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 10/12/2016] [Accepted: 02/13/2017] [Indexed: 12/11/2022]
Abstract
Aging and obesity induce ectopic adipocyte accumulation in bone marrow cavities. This process is thought to impair osteogenic and hematopoietic regeneration. Here we specify the cellular identities of the adipogenic and osteogenic lineages of the bone. While aging impairs the osteogenic lineage, high-fat diet feeding activates expansion of the adipogenic lineage, an effect that is significantly enhanced in aged animals. We further describe a mesenchymal sub-population with stem cell-like characteristics that gives rise to both lineages and, at the same time, acts as a principal component of the hematopoietic niche by promoting competitive repopulation following lethal irradiation. Conversely, bone-resident cells committed to the adipocytic lineage inhibit hematopoiesis and bone healing, potentially by producing excessive amounts of Dipeptidyl peptidase-4, a protease that is a target of diabetes therapies. These studies delineate the molecular identity of the bone-resident adipocytic lineage, and they establish its involvement in age-dependent dysfunction of bone and hematopoietic regeneration.
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Affiliation(s)
- Thomas H Ambrosi
- German Institute of Human Nutrition Potsdam-Rehbrücke, 14558 Nuthetal, Germany
| | - Antonio Scialdone
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton-Cambridge CB10 1SA, UK; European Bioinformatics Institute (EMBL-EBI), European Molecular Biology Laboratory, Wellcome Genome Campus, Hinxton-Cambridge CB10 1SD, UK
| | - Antonia Graja
- German Institute of Human Nutrition Potsdam-Rehbrücke, 14558 Nuthetal, Germany
| | - Sabrina Gohlke
- German Institute of Human Nutrition Potsdam-Rehbrücke, 14558 Nuthetal, Germany
| | - Anne-Marie Jank
- German Institute of Human Nutrition Potsdam-Rehbrücke, 14558 Nuthetal, Germany
| | - Carla Bocian
- German Institute of Human Nutrition Potsdam-Rehbrücke, 14558 Nuthetal, Germany
| | - Lena Woelk
- German Institute of Human Nutrition Potsdam-Rehbrücke, 14558 Nuthetal, Germany
| | - Hua Fan
- Charité Universitätsmedizin, Berlin 10117, Germany
| | - Darren W Logan
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton-Cambridge CB10 1SA, UK; Monell Chemical Senses Center, Philadelphia, PA 19104, USA
| | - Annette Schürmann
- German Institute of Human Nutrition Potsdam-Rehbrücke, 14558 Nuthetal, Germany; German Center for Diabetes Research (DZD), 85764 München-Neuherberg, Germany
| | - Luis R Saraiva
- Sidra Medical and Research Center, Qatar Foundation, P.O. Box 26999, Doha, Qatar
| | - Tim J Schulz
- German Institute of Human Nutrition Potsdam-Rehbrücke, 14558 Nuthetal, Germany; German Center for Diabetes Research (DZD), 85764 München-Neuherberg, Germany.
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Schneider C, Johnson SP, Gurusamy K, Cook RJ, Desjardins AE, Hawkes DJ, Davidson BR, Walker-Samuel S. Identification of liver metastases with probe-based confocal laser endomicroscopy at two excitation wavelengths. Lasers Surg Med 2017; 49:280-292. [PMID: 27990658 PMCID: PMC5396307 DOI: 10.1002/lsm.22617] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2016] [Indexed: 12/16/2022]
Abstract
BACKGROUND Metastasis of colorectal cancer to the liver is the most common indication for hepatic resection in a western population. Incomplete excision of malignancy due to residual microscopic disease normally results in worse patient outcome. Therefore, a method aiding in the real time discrimination of normal and malignant tissue on a microscopic level would be of benefit. MATERIAL AND METHODS The ability of fluorescent probe-based confocal laser endomicroscopy (pCLE) to identify normal and malignant liver tissue was evaluated in an orthotopic murine model of colorectal cancer liver metastasis (CRLM). To maximise information yield, two clinical fluorophores, fluorescein and indocyanine green (ICG) were injected and imaged in a dual wavelength approach (488 and 660 nm, respectively). Visual tissue characteristics on pCLE examination were compared with histological features. Fluorescence intensity in both tissues was statistically analysed to elucidate if this can be used to differentiate between normal and malignant tissue. RESULTS Fluorescein (488 nm) enabled good visualisation of normal and CRLM tissue, whereas ICG (660 nm) visualisation was limited to normal liver tissue only. Fluorescence intensity in areas of CRLM was typically 53-100% lower than normal hepatic parenchyma. Using general linear mixed modelling and receiver operating characteristic analysis, high fluorescence intensity was found to be statistically more likely in normal hepatic tissue. CONCLUSION Real time discrimination between normal liver parenchyma and metastatic tissue with pCLE examination of fluorescein and ICG is feasible. Employing two (rather than a single) fluorophores allows a combination of qualitative and quantitative characteristics to be used to distinguish between hepatic parenchyma and CRLM. Lasers Surg. Med. 49:280-292, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Crispin Schneider
- Division of Surgery & Interventional Science, University College London, Floor 9, Royal Free Hospital, London, NW3 2QG, UK
| | - Sean P Johnson
- UCL Centre for Advanced Biomedical Imaging, Paul O'Gorman Building, University College London, 72 Huntley Street, London, WC1E 6DD, UK
| | - Kurinchi Gurusamy
- Division of Surgery & Interventional Science, University College London, Floor 9, Royal Free Hospital, London, NW3 2QG, UK
| | - Richard J Cook
- Department of Tissue Engineering and Biophotonics, King's College London, Dental Institute-Central Office, Floor 18, Guy's Tower, Guy's Hospital, London, SE1 9RT, UK
| | - Adrien E Desjardins
- Department of Medical Physics and Biomedical Engineering, University College London, Malet Place Engineering Building, Gower Street, London, WC1E 6BT, UK
| | - David J Hawkes
- Centre for Medical Image Computing, University College London, The Front Engineering Building, Floor 3, Malet Place, London, WC1E 7JE, UK
| | - Brian R Davidson
- Division of Surgery & Interventional Science, University College London, Floor 9, Royal Free Hospital, London, NW3 2QG, UK
| | - Simon Walker-Samuel
- UCL Centre for Advanced Biomedical Imaging, Paul O'Gorman Building, University College London, 72 Huntley Street, London, WC1E 6DD, UK
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Zhu H, Kwak HJ, Liu P, Bajrami B, Xu Y, Park SY, Nombela-Arrieta C, Mondal S, Kambara H, Yu H, Chai L, Silberstein LE, Cheng T, Luo HR. Reactive Oxygen Species-Producing Myeloid Cells Act as a Bone Marrow Niche for Sterile Inflammation-Induced Reactive Granulopoiesis. THE JOURNAL OF IMMUNOLOGY 2017; 198:2854-2864. [PMID: 28235862 DOI: 10.4049/jimmunol.1602006] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 01/24/2017] [Indexed: 12/30/2022]
Abstract
Both microbial infection and sterile inflammation augment bone marrow (BM) neutrophil production, but whether the induced accelerated granulopoiesis is mediated by a common pathway and the nature of such a pathway are poorly defined. We recently established that BM myeloid cell-derived reactive oxygen species (ROS) externally regulate myeloid progenitor proliferation and differentiation in bacteria-elicited emergency granulopoiesis. In this article, we show that BM ROS levels are also elevated during sterile inflammation. Similar to in microbial infection, ROS were mainly generated by the phagocytic NADPH oxidase in Gr1+ myeloid cells. The myeloid cells and their ROS were uniformly distributed in the BM when visualized by multiphoton intravital microscopy, and ROS production was both required and sufficient for sterile inflammation-elicited reactive granulopoiesis. Elevated granulopoiesis was mediated by ROS-induced phosphatase and tensin homolog oxidation and deactivation, leading to upregulated PtdIns(3,4,5)P3 signaling and increased progenitor cell proliferation. Collectively, these results demonstrate that, although infection-induced emergency granulopoiesis and sterile inflammation-elicited reactive granulopoiesis are triggered by different stimuli and are mediated by distinct upstream signals, the pathways converge to NADPH oxidase-dependent ROS production by BM myeloid cells. Thus, BM Gr1+ myeloid cells represent a key hematopoietic niche that supports accelerated granulopoiesis in infective and sterile inflammation. This niche may be an excellent target in various immune-mediated pathologies or immune reconstitution after BM transplantation.
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Affiliation(s)
- Haiyan Zhu
- The State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Hyun-Jeong Kwak
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | - Peng Liu
- The State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Besnik Bajrami
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | - Yuanfu Xu
- The State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Shin-Young Park
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | | | - Subhanjan Mondal
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | - Hiroto Kambara
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | - Hongbo Yu
- Department of Hematopathology, VA Boston Healthcare System, West Roxbury, MA 02132
| | - Li Chai
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115 and.,Joint Program in Transfusion Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115
| | | | - Tao Cheng
- The State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Hongbo R Luo
- Department of Pathology, Harvard Medical School, Boston, MA 02115;
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Chen YF, Liu H, Luo XJ, Zhao Z, Zou ZY, Li J, Lin XJ, Liang Y. The roles of reactive oxygen species (ROS) and autophagy in the survival and death of leukemia cells. Crit Rev Oncol Hematol 2017; 112:21-30. [PMID: 28325262 DOI: 10.1016/j.critrevonc.2017.02.004] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 11/27/2016] [Accepted: 02/06/2017] [Indexed: 02/07/2023] Open
Abstract
As a clonal disease of hematopoietic stem cells (HSCs), the etiology and pathogenesis of leukemia is not fully understood. Recent studies suggest that cellular homeostasis plays an essential role in maintaining the function of HSCs because dysregulation of cellular homeostasis is one of the major factors underlying the malignant transformation of HSCs. Reactive oxygen species (ROS) and autophagy, key factors regulating cellular homeostasis, are commonly observed in the human body. Autophagy can be induced by ROS through a variety of signaling pathways, and conversely inhibits ROS-induced damage to cells and tissues. ROS and autophagy coordinate to maintain cellular homeostasis. Previous studies have demonstrated that both of ROS and autophagy play important roles in the development of leukemia and are closely involved in drug resistance in leukemia. Interference with cellular homeostasis by promoting programmed leukemia cell death via ROS and autophagy has been verified to be an efficient technique in the treatment of leukemia. However, the critical roles of ROS and autophagy in the development of leukemia are largely unknown. In this review, we summarize the roles of ROS and autophagy in the pathogenesis of leukemia, which may allow the identification of novel targets and drugs for the treatment of leukemia based on the regulation of HSCs homeostasis through ROS and autophagy.
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Affiliation(s)
- Yong-Feng Chen
- Department of Basic Medical Sciences, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China; Institute of Tumor, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China.
| | - Hao Liu
- School of Pharmacy, Shanghai Jiaotong University, Shanghai 200240, China
| | - Xin-Jing Luo
- Department of Basic Medical Sciences, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China; Institute of Tumor, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China
| | - Zhiqiang Zhao
- Department of Basic Medical Sciences, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China; Institute of Tumor, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China
| | - Zhen-You Zou
- Department of Basic Medical Sciences, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China; Institute of Tumor, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China; Biochemistry Department of Purdue University, West Lafayette, IN 47906, USA
| | - Jing Li
- Department of Histology and Embryology, North SiChuan Medical College, Nanchong 637000, Sichuan, China
| | - Xiao-Jing Lin
- Department of Hematology, the Affiliated Hospital of Guiyang Medical College, Guiyang 550004, China
| | - Yong Liang
- Institute of Tumor, School of Medicine of Taizhou University, Taizhou 318000, Zhejiang, China.
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40
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Perez JR, Ybarra N, Chagnon F, Serban M, Lee S, Seuntjens J, Lesur O, El Naqa I. Tracking of Mesenchymal Stem Cells with Fluorescence Endomicroscopy Imaging in Radiotherapy-Induced Lung Injury. Sci Rep 2017; 7:40748. [PMID: 28102237 PMCID: PMC5244404 DOI: 10.1038/srep40748] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 12/12/2016] [Indexed: 01/31/2023] Open
Abstract
Mesenchymal stem cells (MSCs) have potential for reducing inflammation and promoting organ repair. However, limitations in available techniques to track them and assess this potential for lung repair have hindered their applicability. In this work, we proposed, implemented and evaluated the use of fluorescence endomicroscopy as a novel imaging tool to track MSCs in vivo. MSCs were fluorescently labeled and injected into a rat model of radiation-induced lung injury via endotracheal (ET) or intravascular (IV) administration. Our results show that MSCs were visible in the lungs with fluorescence endomicroscopy. Moreover, we developed an automatic cell counting algorithm to quantify the number of detected cells in each condition. We observed a significantly higher number of detected cells in ET injection compared to IV and a slight increase in the mean number of detected cells in irradiated lungs compared to control, although the latter did not reach statistical significance. Fluorescence endomicroscopy imaging is a powerful new minimally invasive and translatable tool that can be used to track and quantify MSCs in the lungs and help assess their potential in organ repair.
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Affiliation(s)
- Jessica R Perez
- McGill University, Biomedical Engineering, Montreal, H4A 3J1, Canada.,McGill University Health Center, Medical Physics, Montreal, H4A 3J1, Canada
| | - Norma Ybarra
- McGill University Health Center, Medical Physics, Montreal, H4A 3J1, Canada
| | - Frederic Chagnon
- Sherbrooke University, Intensive Care Unit and Pulmonology, Sherbrooke, J1H 5N4, Canada
| | - Monica Serban
- McGill University Health Center, Medical Physics, Montreal, H4A 3J1, Canada
| | - Sangkyu Lee
- McGill University Health Center, Medical Physics, Montreal, H4A 3J1, Canada
| | - Jan Seuntjens
- McGill University Health Center, Medical Physics, Montreal, H4A 3J1, Canada
| | - Olivier Lesur
- Sherbrooke University, Intensive Care Unit and Pulmonology, Sherbrooke, J1H 5N4, Canada
| | - Issam El Naqa
- McGill University Health Center, Medical Physics, Montreal, H4A 3J1, Canada.,University of Michigan, Radiation Oncology, Ann Arbor, MI 48103-4943, USA
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Ishida T, Suzuki S, Lai CY, Yamazaki S, Kakuta S, Iwakura Y, Nojima M, Takeuchi Y, Higashihara M, Nakauchi H, Otsu M. Pre-Transplantation Blockade of TNF-α-Mediated Oxygen Species Accumulation Protects Hematopoietic Stem Cells. Stem Cells 2016; 35:989-1002. [PMID: 27753160 DOI: 10.1002/stem.2524] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 09/07/2016] [Accepted: 10/04/2016] [Indexed: 12/31/2022]
Abstract
Hematopoietic stem cell (HSC) transplantation (HSCT) for malignancy requires toxic pre-conditioning to maximize anti-tumor effects and donor-HSC engraftment. While this induces bone marrow (BM)-localized inflammation, how this BM environmental change affects transplanted HSCs in vivo remains largely unknown. We here report that, depending on interval between irradiation and HSCT, residence within lethally irradiated recipient BM compromises donor-HSC reconstitution ability. Both in vivo and in vitro we demonstrate that, among inflammatory cytokines, TNF-α plays a role in HSC damage: TNF-α stimulation leads to accumulation of reactive oxygen species (ROS) in highly purified hematopoietic stem/progenitor cells (HSCs/HSPCs). Transplantation of flow-cytometry-sorted murine HSCs reveals damaging effects of accumulated ROS on HSCs. Short-term incubation either with an specific inhibitor of tumor necrosis factor receptor 1 signaling or an antioxidant N-acetyl-L-cysteine (NAC) prevents TNF-α-mediated ROS accumulation in HSCs. Importantly, pre-transplantation exposure to NAC successfully demonstrats protective effects in inflammatory BM on graft-HSCs, exhibiting better reconstitution capability than that of nonprotected control grafts. We thus suggest that in vivo protection of graft-HSCs from BM inflammation is a feasible and attractive approach, which may lead to improved hematopoietic reconstitution kinetics in transplantation with myeloablative conditioning that inevitably causes inflammation in recipient BM. Stem Cells 2017;35:989-1002.
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Affiliation(s)
- Takashi Ishida
- Department of Hematology, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan.,Division of Stem Cell Processing/Stem Cell Bank, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan.,Division of Stem Cell Therapy, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Sachie Suzuki
- Department of Hematology, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Chen-Yi Lai
- Division of Stem Cell Processing/Stem Cell Bank, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Satoshi Yamazaki
- Division of Stem Cell Therapy, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Shigeru Kakuta
- Department of Biomedical Science, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
| | - Yoichiro Iwakura
- Center for Experimental Animal Models, Institute for Medical Sciences, Tokyo University of Science, Tokyo, Japan
| | - Masanori Nojima
- Division of Advanced Medicine Promotion, Advanced Clinical Research Center, Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Yasuo Takeuchi
- Department of Nephrology in Internal Medicine, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Masaaki Higashihara
- Department of Hematology, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Hiromitsu Nakauchi
- Division of Stem Cell Therapy, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan.,Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Makoto Otsu
- Division of Stem Cell Processing/Stem Cell Bank, Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Tokyo, Japan
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A P-Loop NTPase Regulates Quiescent Center Cell Division and Distal Stem Cell Identity through the Regulation of ROS Homeostasis in Arabidopsis Root. PLoS Genet 2016; 12:e1006175. [PMID: 27583367 PMCID: PMC5008728 DOI: 10.1371/journal.pgen.1006175] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 06/15/2016] [Indexed: 01/03/2023] Open
Abstract
Reactive oxygen species (ROS) are recognized as important regulators of cell division and differentiation. The Arabidopsis thaliana P-loop NTPase encoded by APP1 affects root stem cell niche identity through its control of local ROS homeostasis. The disruption of APP1 is accompanied by a reduction in ROS level, a rise in the rate of cell division in the quiescent center (QC) and the promotion of root distal stem cell (DSC) differentiation. Both the higher level of ROS induced in the app1 mutant by exposure to methyl viologen (MV), and treatment with hydrogen peroxide (H2O2) rescued the mutant phenotype, implying that both the increased rate of cell division in the QC and the enhancement in root DSC differentiation can be attributed to a low level of ROS. APP1 is expressed in the root apical meristem cell mitochondria, and its product is associated with ATP hydrolase activity. The key transcription factors, which are defining root distal stem niche, such as SCARECROW (SCR) and SHORT ROOT (SHR) are both significantly down-regulated at both the transcriptional and protein level in the app1 mutant, indicating that SHR and SCR are important downstream targets of APP1-regulated ROS signaling to control the identity of root QC and DSCs. Reactive oxygen species (ROS) are recognized as important regulators of cell division and differentiation. In this study, we characterized an Arabidopsis thaliana P-loop NTPase encoded by APP1 regulates root stem cell niche identity through its control of local ROS homeostasis. The app1 mutant shows a reduction in ROS level, a rise in the rate of cell division in the quiescent center (QC) and the promotion of root distal stem cell (DSC) differentiation. The increased rate of cell division in the QC and the enhancement in root DSC differentiation in app1 can be attributed to a low level of ROS since both the exposure to methyl viologen (MV), and treatment with hydrogen peroxide (H2O2) rescued the mutant phenotype. APP1 is expressed in the root apical meristem cell mitochondria, and its product is associated with ATP hydrolase activity. The key transcription factors such as SCARECROW (SCR) and SHORT ROOT (SHR), which are defining root distal stem niche, are both greatly down-regulated at both the transcriptional and protein level in app1, indicating that SHR and SCR are important downstream targets of APP1-regulated ROS signaling to control the identity of root QC and DSCs.
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Fortin PY, Lepetit-Coiffé M, Genevois C, Debeissat C, Quesson B, Moonen CTW, Konsman JP, Couillaud F. Spatiotemporal control of gene expression in bone-marrow derived cells of the tumor microenvironment induced by MRI guided focused ultrasound. Oncotarget 2016; 6:23417-26. [PMID: 26299614 PMCID: PMC4695127 DOI: 10.18632/oncotarget.4288] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 06/02/2015] [Indexed: 11/25/2022] Open
Abstract
The tumor microenvironment is an interesting target for anticancer therapies but modifying this compartment is challenging. Here, we demonstrate the feasibility of a gene therapy strategy that combined targeting to bone marrow-derived tumor microenvironment using genetically modified bone-marrow derived cells and control of transgene expression by local hyperthermia through a thermo-inducible promoter. Chimera were obtained by engraftment of bone marrow from transgenic mice expressing reporter genes under transcriptional control of heat shock promoter and inoculated sub-cutaneously with tumors cells. Heat shocks were applied at the tumor site using a water bath or magnetic resonance guided high intensity focused ultrasound device. Reporter gene expression was followed by bioluminescence and fluorescence imaging and immunohistochemistry. Bone marrow-derived cells expressing reporter genes were identified to be mainly tumor-associated macrophages. We thus provide the proof of concept for a gene therapy strategy that allows for spatiotemporal control of transgenes expression by macrophages targeted to the tumor microenvironment.
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Affiliation(s)
- Pierre-Yves Fortin
- Laboratoire d'Imagerie Moléculaire et Fonctionnelle (IMF), CNRS/UMR 5231, Université de Bordeaux, Bordeaux, France.,Institut de Bio-Imagerie (IBIO), CNRS/UMS 3428, Université de Bordeaux, Bordeaux, France
| | - Matthieu Lepetit-Coiffé
- Laboratoire d'Imagerie Moléculaire et Fonctionnelle (IMF), CNRS/UMR 5231, Université de Bordeaux, Bordeaux, France
| | - Coralie Genevois
- Laboratoire d'Imagerie Moléculaire et Fonctionnelle (IMF), CNRS/UMR 5231, Université de Bordeaux, Bordeaux, France.,Institut de Bio-Imagerie (IBIO), CNRS/UMS 3428, Université de Bordeaux, Bordeaux, France
| | - Christelle Debeissat
- Laboratoire d'Imagerie Moléculaire et Fonctionnelle (IMF), CNRS/UMR 5231, Université de Bordeaux, Bordeaux, France
| | - Bruno Quesson
- Laboratoire d'Imagerie Moléculaire et Fonctionnelle (IMF), CNRS/UMR 5231, Université de Bordeaux, Bordeaux, France
| | - Chrit T W Moonen
- Laboratoire d'Imagerie Moléculaire et Fonctionnelle (IMF), CNRS/UMR 5231, Université de Bordeaux, Bordeaux, France
| | - Jan Pieter Konsman
- Centre de Résonance Magnétique des Systèmes Biologiques (RMSB), CNRS/UMR 5536, Université de Bordeaux, Bordeaux, France
| | - Franck Couillaud
- Laboratoire d'Imagerie Moléculaire et Fonctionnelle (IMF), CNRS/UMR 5231, Université de Bordeaux, Bordeaux, France.,Centre de Résonance Magnétique des Systèmes Biologiques (RMSB), CNRS/UMR 5536, Université de Bordeaux, Bordeaux, France
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44
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Chandel NS, Jasper H, Ho TT, Passegué E. Metabolic regulation of stem cell function in tissue homeostasis and organismal ageing. Nat Cell Biol 2016; 18:823-32. [PMID: 27428307 DOI: 10.1038/ncb3385] [Citation(s) in RCA: 208] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 06/08/2016] [Indexed: 12/11/2022]
Abstract
Many tissues and organ systems in metazoans have the intrinsic capacity to regenerate, which is driven and maintained largely by tissue-resident somatic stem cell populations. Ageing is accompanied by a deregulation of stem cell function and a decline in regenerative capacity, often resulting in degenerative diseases. The identification of strategies to maintain stem cell function and regulation is therefore a promising avenue to allay a wide range of age-related diseases. Studies in various organisms have revealed a central role for metabolic pathways in the regulation of stem cell function. Ageing is associated with extensive metabolic changes, and interventions that influence cellular metabolism have long been recognized as robust lifespan-extending measures. In this Review, we discuss recent advances in our understanding of the metabolic control of stem cell function, and how stem cell metabolism relates to homeostasis and ageing.
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Affiliation(s)
- Navdeep S Chandel
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611-2909, USA
| | - Heinrich Jasper
- The Buck Institute for Research on Aging, Novato, California 94945-1400, USA, and the Leibniz Institute on Aging-Fritz Lipmann Institute, Jena 07745, Germany
| | - Theodore T Ho
- Department of Medicine, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California San Francisco, California 94143-0667, USA
| | - Emmanuelle Passegué
- Department of Medicine, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California San Francisco, California 94143-0667, USA
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45
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Karigane D, Kobayashi H, Morikawa T, Ootomo Y, Sakai M, Nagamatsu G, Kubota Y, Goda N, Matsumoto M, Nishimura EK, Soga T, Otsu K, Suematsu M, Okamoto S, Suda T, Takubo K. p38α Activates Purine Metabolism to Initiate Hematopoietic Stem/Progenitor Cell Cycling in Response to Stress. Cell Stem Cell 2016; 19:192-204. [PMID: 27345838 DOI: 10.1016/j.stem.2016.05.013] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 03/18/2016] [Accepted: 05/13/2016] [Indexed: 02/07/2023]
Abstract
Hematopoietic stem cells (HSCs) maintain quiescence by activating specific metabolic pathways, including glycolysis. We do not yet have a clear understanding of how this metabolic activity changes during stress hematopoiesis, such as bone marrow transplantation. Here, we report a critical role for the p38MAPK family isoform p38α in initiating hematopoietic stem and progenitor cell (HSPC) proliferation during stress hematopoiesis in mice. We found that p38MAPK is immediately phosphorylated in HSPCs after a hematological stress, preceding increased HSPC cycling. Conditional deletion of p38α led to defective recovery from hematological stress and a delay in initiation of HSPC proliferation. Mechanistically, p38α signaling increases expression of inosine-5'-monophosphate dehydrogenase 2 in HSPCs, leading to altered levels of amino acids and purine-related metabolites and changes in cell-cycle progression in vitro and in vivo. Our studies have therefore uncovered a p38α-mediated pathway that alters HSPC metabolism to respond to stress and promote recovery.
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Affiliation(s)
- Daiki Karigane
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan; Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Hiroshi Kobayashi
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Takayuki Morikawa
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Yukako Ootomo
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan; Department of Life Sciences and Medical BioScience, Waseda University School of Advanced Science and Engineering, Tokyo 162-8480, Japan
| | - Mashito Sakai
- Department of Molecular Metabolic Regulation, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Go Nagamatsu
- Department of Stem Cell Biology and Medicine, Graduate School of Medical Science, Kyushu University, Fukuoka 812-8582, Japan
| | - Yoshiaki Kubota
- Department of Vascular Biology, The Sakaguchi Laboratory, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Nobuhito Goda
- Department of Life Sciences and Medical BioScience, Waseda University School of Advanced Science and Engineering, Tokyo 162-8480, Japan
| | - Michihiro Matsumoto
- Department of Molecular Metabolic Regulation, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Emi K Nishimura
- Department of Stem Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
| | - Tomoyoshi Soga
- Institute for Advanced Biosciences, Keio University, 246-2, Mizukami, Kakuganji, Tsuruoka City, Yamagata 997-0052, Japan
| | - Kinya Otsu
- Cardiovascular Division, King's College London, London SE5 9NU, UK
| | - Makoto Suematsu
- Department of Biochemistry, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Shinichiro Okamoto
- Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Toshio Suda
- Cancer Science Institute, National University of Singapore, 14 Medical Drive, Singapore 117599, Singapore
| | - Keiyo Takubo
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan.
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46
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Wu CC, Lien CC, Hou WH, Chiang PM, Tsai KJ. Gain of BDNF Function in Engrafted Neural Stem Cells Promotes the Therapeutic Potential for Alzheimer's Disease. Sci Rep 2016; 6:27358. [PMID: 27264956 PMCID: PMC4893631 DOI: 10.1038/srep27358] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 05/17/2016] [Indexed: 12/16/2022] Open
Abstract
Stem cell-based therapy is a potential treatment for neurodegenerative diseases, but its application to Alzheimer’s disease (AD) remains limited. Brain-derived neurotrophic factor (BDNF) is critical in the pathogenesis and treatment of AD. Here, we present a novel therapeutic approach for AD treatment using BDNF-overexpressing neural stem cells (BDNF-NSCs). In vitro, BDNF overexpression was neuroprotective to beta-amyloid-treated NSCs. In vivo, engrafted BDNF-NSCs-derived neurons not only displayed the Ca2+-response fluctuations, exhibited electrophysiological properties of mature neurons and integrated into local brain circuits, but recovered the cognitive deficits. Furthermore, BDNF overexpression improved the engrafted cells’ viability, neuronal fate, neurite complexity, maturation of electrical property and the synaptic density. In contrast, knockdown of the BDNF in BDNF-NSCs diminished stem cell-based therapeutic efficacy. Together, our findings indicate BDNF overexpression improves the therapeutic potential of engrafted NSCs for AD via neurogenic effects and neuronal replacement, and further support the feasibility of NSC-based ex vivo gene therapy for AD.
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Affiliation(s)
- Cheng-Chun Wu
- Institute of Basic Medical Science, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Cheng-Chang Lien
- Institute of Neuroscience, National Yang-Ming University, Taipei, Taiwan
| | - Wen-Hsien Hou
- Institute of Neuroscience, National Yang-Ming University, Taipei, Taiwan
| | - Po-Min Chiang
- Institute of Basic Medical Science, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Kuen-Jer Tsai
- Institute of Basic Medical Science, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Center of Clinical Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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47
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Liu X, Zhou L, Chen X, Liu T, Pan G, Cui W, Li M, Luo ZP, Pei M, Yang H, Gong Y, He F. Culturing on decellularized extracellular matrix enhances antioxidant properties of human umbilical cord-derived mesenchymal stem cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 61:437-48. [PMID: 26838870 PMCID: PMC9805354 DOI: 10.1016/j.msec.2015.12.090] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 12/03/2015] [Accepted: 12/28/2015] [Indexed: 01/02/2023]
Abstract
Human umbilical cord-derived mesenchymal stem cells (UC-MSCs) have attracted great interest in clinical application because of their regenerative potential and their lack of ethical issues. Our previous studies showed that decellularized cell-deposited extracellular matrix (ECM) provided an in vivo-mimicking microenvironment for MSCs and facilitated in vitro cell expansion. This study was conducted to analyze the cellular response of UC-MSCs when culturing on the ECM, including reactive oxygen species (ROS), intracellular antioxidative enzymes, and the resistance to exogenous oxidative stress. After decellularization, the architecture of cell-deposited ECM was characterized as nanofibrous, collagen fibrils and the matrix components were identified as type I and III collagens, fibronectin, and laminin. Compared to tissue culture polystyrene (TCPS) plates, culturing on ECM yielded a 2-fold increase of UC-MSC proliferation and improved the percentage of cells in the S phase by 2.4-fold. The levels of intracellular ROS and hydrogen peroxide (H2O2) in ECM-cultured cells were reduced by 41.7% and 82.9%, respectively. More importantly, ECM-cultured UC-MSCs showed enhanced expression and activity of intracellular antioxidative enzymes such as superoxide dismutase and catalase, up-regulated expression of silent information regulator type 1, and suppressed phosphorylation of p38 mitogen-activated protein kinase. Furthermore, a continuous treatment with exogenous 100μM H2O2 dramatically inhibited osteogenic differentiation of UC-MSCs cultured on TCPS, but culturing on ECM retained the differentiation capacity for matrix mineralization and osteoblast-specific marker gene expression. Collectively, by providing sufficient cell amounts and enhancing antioxidant capacity, decellularized ECM can be a promising cell culture platform for in vitro expansion of UC-MSCs.
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Affiliation(s)
- Xiaozhen Liu
- School of Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Long Zhou
- Orthopaedic Institute, Soochow University, Suzhou 215007, China,Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Xi Chen
- Orthopaedic Institute, Soochow University, Suzhou 215007, China,Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Tao Liu
- Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Guoqing Pan
- Orthopaedic Institute, Soochow University, Suzhou 215007, China,Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Wenguo Cui
- Orthopaedic Institute, Soochow University, Suzhou 215007, China,Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Mao Li
- Orthopaedic Institute, Soochow University, Suzhou 215007, China,Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Zong-Ping Luo
- Orthopaedic Institute, Soochow University, Suzhou 215007, China,Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Ming Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV 26506, USA
| | - Huilin Yang
- Orthopaedic Institute, Soochow University, Suzhou 215007, China,Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Yihong Gong
- School of Engineering, Sun Yat-sen University, Guangzhou 510006, China,Corresponding Authors: Yihong Gong, Ph.D., School of Engineering, Sun Yat-sen University, No.132 East Waihuan Road, Guangzhou Higher Education Mega Center, Guangzhou 510006, Guangdong, China. Telephone: +86-20-39332146; Fax: +86-20-39332146;
| | - Fan He
- Orthopaedic Institute, Soochow University, Suzhou 215007, China,Department of Orthopeadics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China,Fan He, Ph.D., Orthopaedic Institute, Soochow University, No.708 Renmin Road, Suzhou 215007, Jiangsu, China. Telephone: +86-512-67781420; Fax: +86-512-67781165;
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48
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Nagree MS, López-Vásquez L, Medin JA. Towards in vivo amplification: Overcoming hurdles in the use of hematopoietic stem cells in transplantation and gene therapy. World J Stem Cells 2015; 7:1233-1250. [PMID: 26730268 PMCID: PMC4691692 DOI: 10.4252/wjsc.v7.i11.1233] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Accepted: 11/25/2015] [Indexed: 02/06/2023] Open
Abstract
With the advent of safer and more efficient gene transfer methods, gene therapy has become a viable solution for many inherited and acquired disorders. Hematopoietic stem cells (HSCs) are a prime cell compartment for gene therapy aimed at correcting blood-based disorders, as well as those amenable to metabolic outcomes that can effect cross-correction. While some resounding clinical successes have recently been demonstrated, ample room remains to increase the therapeutic output from HSC-directed gene therapy. In vivo amplification of therapeutic cells is one avenue to achieve enhanced gene product delivery. To date, attempts have been made to provide HSCs with resistance to cytotoxic drugs, to include drug-inducible growth modules specific to HSCs, and to increase the engraftment potential of transduced HSCs. This review aims to summarize amplification strategies that have been developed and tested and to discuss their advantages along with barriers faced towards their clinical adaptation. In addition, next-generation strategies to circumvent current limitations of specific amplification schemas are discussed.
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49
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Foster K, Lassailly F, Anjos-Afonso F, Currie E, Rouault-Pierre K, Bonnet D. Different Motile Behaviors of Human Hematopoietic Stem versus Progenitor Cells at the Osteoblastic Niche. Stem Cell Reports 2015; 5:690-701. [PMID: 26455414 PMCID: PMC4649139 DOI: 10.1016/j.stemcr.2015.09.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 09/08/2015] [Accepted: 09/08/2015] [Indexed: 01/05/2023] Open
Abstract
Despite advances in our understanding of interactions between mouse hematopoietic stem cells (HSCs) and their niche, little is known about communication between human HSCs and the microenvironment. Using a xenotransplantation model and intravital imaging, we demonstrate that human HSCs display distinct motile behaviors to their hematopoietic progenitor cell (HPC) counterparts, and the same pattern can be found between mouse HSCs and HPCs. HSCs become significantly less motile after transplantation, while progenitor cells remain motile. We show that human HSCs take longer to find their niche than previously expected and suggest that the niche be defined as the position where HSCs stop moving. Intravital imaging is the only technique to determine where in the bone marrow stem cells stop moving, and future analyses should focus on the environment surrounding the HSC at this point.
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Affiliation(s)
- Katie Foster
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London WC2A 3LY, UK
| | - François Lassailly
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London WC2A 3LY, UK
| | - Fernando Anjos-Afonso
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London WC2A 3LY, UK
| | - Erin Currie
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London WC2A 3LY, UK
| | - Kevin Rouault-Pierre
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London WC2A 3LY, UK
| | - Dominique Bonnet
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London WC2A 3LY, UK.
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50
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Spangrude GJ, Lewandowski D, Martelli F, Marra M, Zingariello M, Sancillo L, Rana RA, Migliaccio AR. P-Selectin Sustains Extramedullary Hematopoiesis in the Gata1 low Model of Myelofibrosis. Stem Cells 2015; 34:67-82. [PMID: 26439305 DOI: 10.1002/stem.2229] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 08/07/2015] [Accepted: 08/28/2015] [Indexed: 01/03/2023]
Abstract
Splenomegaly is a major manifestation of primary myelofibrosis (PMF) contributing to clinical symptoms and hematologic abnormalities. The spleen from PMF patients contains increased numbers of hematopoietic stem cells (HSC) and megakaryocytes (MK). These MK express high levels of P-selectin (P-sel) that, by triggering neutrophil emperipolesis, may cause TGF-β release and disease progression. This hypothesis was tested by deleting the P-sel gene in the myelofibrosis mouse model carrying the hypomorphic Gata1(low) mutation that induces megakaryocyte abnormalities that recapitulate those observed in PMF. P-sel(null) Gata1(low) mice survived splenectomy and lived 3 months longer than P-sel(WT) Gata1(low) littermates and expressed limited fibrosis and osteosclerosis in the marrow or splenomegaly. Furthermore, deletion of P-sel disrupted megakaryocyte/neutrophil interactions in spleen, reduced TGF-β content, and corrected the HSC distribution that in Gata1(low) mice, as in PMF patients, is abnormally expanded in spleen. Conversely, pharmacological inhibition of TGF-β reduced P-sel expression in MK and corrected HSC distribution. Spleens, but not marrow, of Gata1(low) mice contained numerous cKIT(pos) activated fibrocytes, probably of dendritic cell origin, whose membrane protrusions interacted with MK establishing niches hosting immature cKIT(pos) hematopoietic cells. These activated fibrocytes were not detected in spleens from P-sel(null) Gata1(low) or TGF-β-inhibited Gata1(low) littermates and were observed in spleen, but not in marrow, from PMF patients. Therefore, in Gata1(low) mice, and possibly in PMF, abnormal P-sel expression in MK may mediate the pathological cell interactions that increase TGF-β content in MK and favor establishment of a microenvironment that supports myelofibrosis-related HSC in spleen.
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Affiliation(s)
- Gerald J Spangrude
- Department of Medicine, Division of Hematology and Hematologic Malignancies, University of Utah, Salt Lake City, Utah, USA
| | | | - Fabrizio Martelli
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità
| | - Manuela Marra
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità
| | | | - Laura Sancillo
- Istituto Genetica Medica, Centro Nazionale Ricerche, and Medicine and Aging Sciences, Section of Human Momorphology, University G. D'Annunzio, Chieti, Italy
| | - Rosa Alba Rana
- Istituto Genetica Medica, Centro Nazionale Ricerche, and Medicine and Aging Sciences, Section of Human Momorphology, University G. D'Annunzio, Chieti, Italy
| | - Anna Rita Migliaccio
- Department of Biomedical Sciences, Alma Mater University, Bologna, Italy.,Tisch Cancer Institute, Mount Sinai School of Medicine, New York, New York, USA
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