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Dakal TC, Bhushan R, Xu C, Gadi BR, Cameotra SS, Yadav V, Maciaczyk J, Schmidt‐Wolf IGH, Kumar A, Sharma A. Intricate relationship between cancer stemness, metastasis, and drug resistance. MedComm (Beijing) 2024; 5:e710. [PMID: 39309691 PMCID: PMC11416093 DOI: 10.1002/mco2.710] [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] [Received: 03/13/2024] [Revised: 08/02/2024] [Accepted: 08/05/2024] [Indexed: 09/25/2024] Open
Abstract
Cancer stem cells (CSCs) are widely acknowledged as the drivers of tumor initiation, epithelial-mesenchymal transition (EMT) progression, and metastasis. Originating from both hematologic and solid malignancies, CSCs exhibit quiescence, pluripotency, and self-renewal akin to normal stem cells, thus orchestrating tumor heterogeneity and growth. Through a dynamic interplay with the tumor microenvironment (TME) and intricate signaling cascades, CSCs undergo transitions from differentiated cancer cells, culminating in therapy resistance and disease recurrence. This review undertakes an in-depth analysis of the multifaceted mechanisms underlying cancer stemness and CSC-mediated resistance to therapy. Intrinsic factors encompassing the TME, hypoxic conditions, and oxidative stress, alongside extrinsic processes such as drug efflux mechanisms, collectively contribute to therapeutic resistance. An exploration into key signaling pathways, including JAK/STAT, WNT, NOTCH, and HEDGEHOG, sheds light on their pivotal roles in sustaining CSCs phenotypes. Insights gleaned from preclinical and clinical studies hold promise in refining drug discovery efforts and optimizing therapeutic interventions, especially chimeric antigen receptor (CAR)-T cell therapy, cytokine-induced killer (CIK) cell therapy, natural killer (NK) cell-mediated CSC-targeting and others. Ultimately use of cell sorting and single cell sequencing approaches for elucidating the fundamental characteristics and resistance mechanisms inherent in CSCs will enhance our comprehension of CSC and intratumor heterogeneity, which ultimately would inform about tailored and personalized interventions.
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Affiliation(s)
- Tikam Chand Dakal
- Genome and Computational Biology LabDepartment of BiotechnologyMohanlal Sukhadia UniversityUdaipurRajasthanIndia
| | - Ravi Bhushan
- Department of ZoologyM.S. CollegeMotihariBiharIndia
| | - Caiming Xu
- Department of General SurgeryThe First Affiliated Hospital of Dalian Medical UniversityDalianChina
- Department of Molecular Diagnostics and Experimental Therapeutics, Beckman Research InstituteCity of HopeMonroviaCaliforniaUSA
| | - Bhana Ram Gadi
- Stress Physiology and Molecular Biology LaboratoryDepartment of BotanyJai Narain Vyas UniversityJodhpurRajasthanIndia
| | | | - Vikas Yadav
- School of Life SciencesJawaharlal Nehru UniversityNew DelhiIndia
| | - Jarek Maciaczyk
- Department of Stereotactic and Functional NeurosurgeryUniversity Hospital of BonnBonnGermany
| | - Ingo G. H. Schmidt‐Wolf
- Center for Integrated Oncology (CIO)Department of Integrated OncologyUniversity Hospital BonnBonnGermany
| | - Abhishek Kumar
- Manipal Academy of Higher EducationManipalKarnatakaIndia
- Institute of BioinformaticsInternational Technology ParkBangaloreIndia
| | - Amit Sharma
- Department of Stereotactic and Functional NeurosurgeryUniversity Hospital of BonnBonnGermany
- Center for Integrated Oncology (CIO)Department of Integrated OncologyUniversity Hospital BonnBonnGermany
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Deng J, Tan Y, Xu Z, Wang H. Advances in hematopoietic stem cells ex vivo expansion associated with bone marrow niche. Ann Hematol 2024:10.1007/s00277-024-05773-1. [PMID: 38684510 DOI: 10.1007/s00277-024-05773-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 04/19/2024] [Indexed: 05/02/2024]
Abstract
Hematopoietic stem cells (HSCs) are an ideal source for the treatment of many hematological diseases and malignancies, as well as diseases of other systems, because of their two important features, self-renewal and multipotential differentiation, which have the ability to rebuild the blood system and immune system of the body. However, so far, the insufficient number of available HSCs, whether from bone marrow (BM), mobilized peripheral blood or umbilical cord blood, is still the main restricting factor for the clinical application. Therefore, strategies to expand HSCs numbers and maintain HSCs functions through ex vivo culture are urgently required. In this review, we outline the basic biology characteristics of HSCs, and focus on the regulatory factors in BM niche affecting the functions of HSCs. Then, we introduce several representative strategies used for HSCs from these three sources ex vivo expansion associated with BM niche. These findings have deepened our understanding of the mechanisms by which HSCs balance self-renewal and differentiation and provided a theoretical basis for the efficient clinical HSCs expansion.
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Affiliation(s)
- Ju Deng
- Institute of Hematology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- The Key Laboratory of Molecular Diagnosis and Treatment of Hematological Disease of Shanxi Province, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yanhong Tan
- Institute of Hematology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- The Key Laboratory of Molecular Diagnosis and Treatment of Hematological Disease of Shanxi Province, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Zhifang Xu
- Institute of Hematology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- The Key Laboratory of Molecular Diagnosis and Treatment of Hematological Disease of Shanxi Province, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Hongwei Wang
- Institute of Hematology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China.
- The Key Laboratory of Molecular Diagnosis and Treatment of Hematological Disease of Shanxi Province, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China.
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Lynch J, Troadec E, Fung TK, Gladysz K, Virely C, Lau PNI, Cheung N, Zeisig B, Wong JWH, Lopes M, Huang S, So CWE. Hematopoietic stem cell quiescence and DNA replication dynamics maintained by the resilient β-catenin/Hoxa9/Prmt1 axis. Blood 2024; 143:1586-1598. [PMID: 38211335 PMCID: PMC11103100 DOI: 10.1182/blood.2023022082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/04/2023] [Accepted: 12/22/2023] [Indexed: 01/13/2024] Open
Abstract
ABSTRACT Maintenance of quiescence and DNA replication dynamics are 2 paradoxical requirements for the distinct states of dormant and active hematopoietic stem cells (HSCs), which are required to preserve the stem cell reservoir and replenish the blood cell system in response to hematopoietic stress, respectively. Here, we show that key self-renewal factors, β-catenin or Hoxa9, largely dispensable for HSC integrity, in fact, have dual functions in maintaining quiescence and enabling efficient DNA replication fork dynamics to preserve the functionality of hematopoietic stem and progenitor cells (HSPCs). Although β-catenin or Hoxa9 single knockout (KO) exhibited mostly normal hematopoiesis, their coinactivation led to severe hematopoietic defects stemmed from aberrant cell cycle, DNA replication, and damage in HSPCs. Mechanistically, β-catenin and Hoxa9 function in a compensatory manner to sustain key transcriptional programs that converge on the pivotal downstream target and epigenetic modifying enzyme, Prmt1, which protects the quiescent state and ensures an adequate supply of DNA replication and repair factors to maintain robust replication fork dynamics. Inactivation of Prmt1 phenocopied both cellular and molecular phenotypes of β-catenin/Hoxa9 combined KO, which at the same time could also be partially rescued by Prmt1 expression. The discovery of the highly resilient β-catenin/Hoxa9/Prmt1 axis in protecting both quiescence and DNA replication dynamics essential for HSCs at different key states provides not only novel mechanistic insights into their intricate regulation but also a potential tractable target for therapeutic intervention.
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Affiliation(s)
- Jennifer Lynch
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Estelle Troadec
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Tsz Kan Fung
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London, United Kingdom
| | - Kornelia Gladysz
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Clemence Virely
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Priscilla Nga Ieng Lau
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Ngai Cheung
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Bernd Zeisig
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London, United Kingdom
| | - Jason W. H. Wong
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Massimo Lopes
- Institute of Molecular Cancer Research, University of Zurich, Zurich, Switzerland
| | - Suming Huang
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA
| | - Chi Wai Eric So
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London, United Kingdom
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4
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Xie Y, Tan L, Wu K, Li D, Li C. miR-26b-5p Affects the Progression of Acute Myeloid Leukemia by Regulating the USP48-Mediated Wnt/β-Catenin Pathway. Crit Rev Eukaryot Gene Expr 2024; 34:33-44. [PMID: 38505871 DOI: 10.1615/critreveukaryotgeneexpr.2024049380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Acute myeloid leukemia (AML) is a highly heterogeneous disease. Exploring the pathogenesis of AML is still an important topic in the treatment of AML. The expression levels of miR-26b-5p and USP48 were measured by qRT-PCR. The expression levels of related proteins were detected by Western blot. Cell proliferation and apoptosis were detected by CCK-8 and flow cytometry, respectively. Coimmunoprecipitation was used to examine the interaction between USP48 and Wnt5a. Bioinformatics analysis showed that high levels of miR-26b-5p and low levels of USP48 were associated with poor prognosis in AML. miR-26b-5p can negatively regulate the expression of USP48. Downregulation of miR-26b-5p inhibited EMT, cell viability and proliferation of AML cells and accelerated apoptosis. Furthermore, the influence of miR-26b-5p inhibition and USP48 knockdown on AML progression could be reversed by a Wnt/β-catenin signaling pathway inhibitor. This study revealed that miR-26b-5p regulates AML progression, possibly by targeting the USP48-mediated Wnt/β-catenin molecular axis to affect AML cell biological behavior.
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Affiliation(s)
- Yu Xie
- Department of Hematology, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan, China
| | - Lin Tan
- Department of Hematology, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan, China
| | - Kun Wu
- Clinical Laboratory, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan, China
| | - Deyun Li
- Department of Hematology, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan, China
| | - Chengping Li
- Department of Hematology, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan, China
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Zhao Y, Wu J, Xu H, Li Q, Zhang Y, Zhai Y, Tang M, Liu Y, Liu T, Ye Y, He M, He R, Xu Y, Zhou Z, Kan H, Zhang Y. Lead exposure suppresses the Wnt3a/β-catenin signaling to increase the quiescence of hematopoietic stem cells via reducing the expression of CD70 on bone marrow-resident macrophages. Toxicol Sci 2023; 195:123-142. [PMID: 37436718 DOI: 10.1093/toxsci/kfad067] [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] [Indexed: 07/13/2023] Open
Abstract
Lead (Pb) is a heavy metal highly toxic to human health in the environment. The aim of this study was to investigate the mechanism of Pb impact on the quiescence of hematopoietic stem cells (HSC). WT C57BL/6 (B6) mice treated with 1250 ppm Pb via drinking water for 8 weeks had increased the quiescence of HSC in the bone marrow (BM), which was caused by the suppressed activation of the Wnt3a/β-catenin signaling. Mechanically, a synergistic action of Pb and IFNγ on BM-resident macrophages (BM-Mφ) reduced their surface expression of CD70, which thereby dampened the Wnt3a/β-catenin signaling to suppress the proliferation of HSC in mice. In addition, a joint action of Pb and IFNγ also suppressed the expression of CD70 on human Mφ to impair the Wnt3a/β-catenin signaling and reduce the proliferation of human HSC purified from umbilical cord blood of healthy donors. Moreover, correlation analyses showed that the blood Pb concentration was or tended to be positively associated with the quiescence of HSC, and was or tended to be negatively associated with the activation of the Wnt3a/β-catenin signaling in HSC in human subjects occupationally exposed to Pb. Collectively, these data indicate that an occupationally relevant level of Pb exposure suppresses the Wnt3a/β-catenin signaling to increase the quiescence of HSC via reducing the expression of CD70 on BM-Mφ in both mice and humans.
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Affiliation(s)
- Yifan Zhao
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Jiaojiao Wu
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Hua Xu
- Shanghai Ji Ai Genetics and IVF Institute, Obstetrics and Gynecology Hospital, Fudan University, Shanghai 200011, China
| | - Qian Li
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Yufan Zhang
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Yue Zhai
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Mengke Tang
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Yalin Liu
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Ting Liu
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Yao Ye
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Miao He
- State Key Laboratory of Medical Neurobiology, Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Rui He
- Department of Immunology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yanyi Xu
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Zhou Zhou
- Center for Neurointelligence, School of Medicine, Chongqing University, Chongqing 400030, China
| | - Haidong Kan
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
| | - Yubin Zhang
- Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China
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6
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Novel Insights into the Role of Kras in Myeloid Differentiation: Engaging with Wnt/β-Catenin Signaling. Cells 2023; 12:cells12020322. [PMID: 36672256 PMCID: PMC9857056 DOI: 10.3390/cells12020322] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 01/07/2023] [Accepted: 01/11/2023] [Indexed: 01/19/2023] Open
Abstract
Cells of the HL-60 myeloid leukemia cell line can be differentiated into neutrophil-like cells by treatment with dimethyl sulfoxide (DMSO). The molecular mechanisms involved in this differentiation process, however, remain unclear. This review focuses on the differentiation of HL-60 cells. Although the Ras proteins, a group of small GTP-binding proteins, are ubiquitously expressed and highly homologous, each has specific molecular functions. Kras was shown to be essential for normal mouse development, whereas Hras and Nras are not. Kras knockout mice develop profound hematopoietic defects, indicating that Kras is required for hematopoiesis in adults. The Wnt/β-catenin signaling pathway plays a crucial role in regulating the homeostasis of hematopoietic cells. The protein β-catenin is a key player in the Wnt/β-catenin signaling pathway. A great deal of evidence shows that the Wnt/β-catenin signaling pathway is deregulated in malignant tumors, including hematological malignancies. Wild-type Kras acts as a tumor suppressor during DMSO-induced differentiation of HL-60 cells. Upon DMSO treatment, Kras translocates to the plasma membrane, and its activity is enhanced. Inhibition of Kras attenuates CD11b expression. DMSO also elevates levels of GSK3β phosphorylation, resulting in the release of unphosphorylated β-catenin from the β-catenin destruction complex and its accumulation in the cytoplasm. The accumulated β-catenin subsequently translocates into the nucleus. Inhibition of Kras attenuates Lef/Tcf-sensitive transcription activity. Thus, upon treatment of HL-60 cells with DMSO, wild-type Kras reacts with the Wnt/β-catenin pathway, thereby regulating the granulocytic differentiation of HL-60 cells. Wild-type Kras and the Wnt/β-catenin signaling pathway are activated sequentially, increasing the levels of expression of C/EBPα, C/EBPε, and granulocyte colony-stimulating factor (G-CSF) receptor.
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Jin T, Zhang Z, Han Y, Li D, Liu J, Jiang M, Kurita R, Nakamura Y, Hu F, Fang X, Huang S, Sun Z. ANTXR1 Regulates Erythroid Cell Proliferation and Differentiation through wnt/ β-Catenin Signaling Pathway In Vitro and in Hematopoietic Stem Cell. DISEASE MARKERS 2022; 2022:1226697. [PMID: 36065334 PMCID: PMC9440811 DOI: 10.1155/2022/1226697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/21/2022] [Accepted: 07/29/2022] [Indexed: 11/18/2022]
Abstract
Erythropoiesis is a highly complex and sophisticated multistage process regulated by many transcription factors, as well as noncoding RNAs. Anthrax toxin receptor 1 (ANTXR1) is a type I transmembrane protein that binds the anthrax toxin ligands and mediates the entry of its toxic part into cells. It also functions as a receptor for the Protective antigen (PA) of anthrax toxin, and mediates the entry of Edema factor (EF) and Lethal factor (LF) into the cytoplasm of target cells and exerts their toxicity. Previous research has shown that ANTXR1 inhibits the expression of γ-globin during the differentiation of erythroid cells. However, the effect on erythropoiesis from a cellular perspective has not been fully determined. This study examined the role of ANTXR1 on erythropoiesis using K562 and HUDEP-2 cell lines as well as cord blood CD34+ cells. Our study has shown that overexpression of ANTXR1 can positively regulate erythrocyte proliferation, as well as inhibit GATA1 and ALAS2 expression, differentiation, and apoptosis in K562 cells and hematopoietic stem cells. ANTXR1 knockdown inhibited proliferation, promoted GATA1 and ALAS2 expression, accelerated erythrocyte differentiation and apoptosis, and promoted erythrocyte maturation. Our study also showed that ANTXR1 may regulate the proliferation and differentiation of hematopoietic cells, though the Wnt/β-catenin pathway, which may help to establish a possible therapeutic target for the treatment of blood disorders.
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Affiliation(s)
- Tingting Jin
- School of Medicine, Guizhou University, Guiyang, Guizhou 550025, China
- Prenatal Diagnosis Center, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
| | - Zhaojun Zhang
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China
| | - Yuanyuan Han
- School of Medicine, Guizhou University, Guiyang, Guizhou 550025, China
- Prenatal Diagnosis Center, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
| | - Di Li
- Prenatal Diagnosis Center, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
| | - Juan Liu
- School of Medicine, Guizhou University, Guiyang, Guizhou 550025, China
| | - Minmin Jiang
- Prenatal Diagnosis Center, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
| | - Ryo Kurita
- Cell Engineering Division, RIKEN Bio Resource Center, Tsukuba, Ibaraki 305-0074, Japan
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN Bio Resource Center, Tsukuba, Ibaraki 305-0074, Japan
| | - Fangfang Hu
- Department of Laboratory, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
| | - Xiangdong Fang
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China
| | - Shengwen Huang
- School of Medicine, Guizhou University, Guiyang, Guizhou 550025, China
- Prenatal Diagnosis Center, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
- NHC Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
| | - Zhaolin Sun
- School of Medicine, Guizhou University, Guiyang, Guizhou 550025, China
- Department of Urology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
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8
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Lemos T, Merchant A. The hedgehog pathway in hematopoiesis and hematological malignancy. Front Oncol 2022; 12:960943. [PMID: 36091167 PMCID: PMC9453489 DOI: 10.3389/fonc.2022.960943] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
The Hedgehog (HH) pathway is a promising therapeutic target in hematological malignancies. Activation of the pathway has been tied to greater chances of relapse and poorer outcomes in several hematological malignancies and inhibiting the pathway has improved outcomes in several clinical trials. One inhibitor targeting the pathway via the protein Smoothened (SMO), glasdegib, has been approved by the FDA for use with a low dose cytarabine regiment in some high-risk acute myeloid leukemia patients (AML). If further clinical trials in glasdegib produce positive results, there may soon be more general use of HH inhibitors in the treatment of hematological malignancies.While there is clinical evidence that HH inhibitors may improve outcomes and help prevent relapse, a full understanding of any mechanism of action remains elusive. The bulk of AML cells exhibit primary resistance to SMO inhibition (SMOi), leading some to hypothesize that that clinical activity of SMOi is mediated through modulation of self-renewal and chemoresistance in rare cancer stem cells (CSC). Direct evidence that CSC are being targeted in patients by SMOi has proven difficult to produce, and here we present data to support the alternative hypothesis that suggests the clinical benefit observed with SMOi is being mediated through stromal cells in the tumor microenvironment.This paper's aims are to review the history of the HH pathway in hematopoiesis and hematological malignancy, to highlight the pre-clinical and clinical evidence for its use a therapeutic target, and to explore the evidence for stromal activation of the pathway acting to protect CSCs and enable self-renewal of AML and other diseases. Finally, we highlight gaps in the current data and present hypotheses for new research directions.
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Affiliation(s)
| | - Akil Merchant
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States
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9
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Chen G, Yin S, Zeng H, Li H, Wan X. Regulation of Embryonic Stem Cell Self-Renewal. LIFE (BASEL, SWITZERLAND) 2022; 12:life12081151. [PMID: 36013330 PMCID: PMC9410528 DOI: 10.3390/life12081151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/12/2022] [Accepted: 07/21/2022] [Indexed: 11/16/2022]
Abstract
Embryonic stem cells (ESCs) are a type of cells capable of self-renewal and multi-directional differentiation. The self-renewal of ESCs is regulated by factors including signaling pathway proteins, transcription factors, epigenetic regulators, cytokines, and small molecular compounds. Similarly, non-coding RNAs, small RNAs, and microRNAs (miRNAs) also play an important role in the process. Functionally, the core transcription factors interact with helper transcription factors to activate the expression of genes that contribute to maintaining pluripotency, while suppressing the expression of differentiation-related genes. Additionally, cytokines such as leukemia suppressor factor (LIF) stimulate downstream signaling pathways and promote self-renewal of ESCs. Particularly, LIF binds to its receptor (LIFR/gp130) to trigger the downstream Jak-Stat3 signaling pathway. BMP4 activates the downstream pathway and acts in combination with Jak-Stat3 to promote pluripotency of ESCs in the absence of serum. In addition, activation of the Wnt-FDZ signaling pathway has been observed to facilitate the self-renewal of ESCs. Small molecule modulator proteins of the pathway mentioned above are widely used in in vitro culture of stem cells. Multiple epigenetic regulators are involved in the maintenance of ESCs self-renewal, making the epigenetic status of ESCs a crucial factor in this process. Similarly, non-coding RNAs and cellular energetics have been described to promote the maintenance of the ESC's self-renewal. These factors regulate the self-renewal and differentiation of ESCs by forming signaling networks. This review focused on the role of major transcription factors, signaling pathways, small molecular compounds, epigenetic regulators, non-coding RNAs, and cellular energetics in ESC's self-renewal.
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Affiliation(s)
- Guofang Chen
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, China;
- Correspondence: (G.C.); (H.L.); (X.W.); Tel./Fax: +86-021-20261000 (ext. 1379) (G.C.)
| | - Shasha Yin
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, China;
| | - Hongliang Zeng
- Institute of Chinese Materia Medica, Hunan Academy of Chinese Medicine, Changsha 410013, China;
| | - Haisen Li
- School of Medicine, Wayne State University, Detroit, MI 48201, USA
- Correspondence: (G.C.); (H.L.); (X.W.); Tel./Fax: +86-021-20261000 (ext. 1379) (G.C.)
| | - Xiaoping Wan
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, China;
- Correspondence: (G.C.); (H.L.); (X.W.); Tel./Fax: +86-021-20261000 (ext. 1379) (G.C.)
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10
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Liu Y, Chen Q, Jeong HW, Koh BI, Watson EC, Xu C, Stehling M, Zhou B, Adams RH. A specialized bone marrow microenvironment for fetal haematopoiesis. Nat Commun 2022; 13:1327. [PMID: 35288551 PMCID: PMC8921288 DOI: 10.1038/s41467-022-28775-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 02/09/2022] [Indexed: 12/19/2022] Open
Abstract
In adult mammalian bone marrow (BM), vascular endothelial cells and perivascular reticular cells control the function of haematopoietic stem and progenitor cells (HSPCs). During fetal development, the mechanisms regulating the de novo haematopoietic cell colonization of BM remain largely unknown. Here, we show that fetal and adult BM exhibit fundamental differences in cellular composition and molecular interactions by single cell RNA sequencing. While fetal femur is largely devoid of leptin receptor-expressing cells, arterial endothelial cells (AECs) provide Wnt ligand to control the initial HSPC expansion. Haematopoietic stem cells and c-Kit+ HSPCs are reduced when Wnt secretion by AECs is genetically blocked. We identify Wnt2 as AEC-derived signal that activates β-catenin-dependent proliferation of fetal HSPCs. Treatment of HSPCs with Wnt2 promotes their proliferation and improves engraftment after transplantation. Our work reveals a fundamental switch in the cellular organization and molecular regulation of BM niches in the embryonic and adult organism. The colonization of bone marrow by haematopoietic stem and progenitor cells is critical for lifelong blood cell formation. Here the authors report distinct features of fetal bone marrow and show that artery-derived signals promote haematopoietic colonization.
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11
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Gámez-García A, Vazquez BN. Nuclear Sirtuins and the Aging of the Immune System. Genes (Basel) 2021; 12:1856. [PMID: 34946805 PMCID: PMC8701065 DOI: 10.3390/genes12121856] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 12/24/2022] Open
Abstract
The immune system undergoes major changes with age that result in altered immune populations, persistent inflammation, and a reduced ability to mount effective immune responses against pathogens and cancer cells. Aging-associated changes in the immune system are connected to other age-related diseases, suggesting that immune system rejuvenation may provide a feasible route to improving overall health in the elderly. The Sir2 family of proteins, also called sirtuins, have been broadly implicated in genome homeostasis, cellular metabolism, and aging. Sirtuins are key responders to cellular and environmental stress and, in the case of the nuclear sirtuins, they do so by directing responses to chromatin that include gene expression regulation, retrotransposon repression, enhanced DNA damage repair, and faithful chromosome segregation. In the immune system, sirtuins instruct cellular differentiation from hematopoietic precursors and promote leukocyte polarization and activation. In hematopoietic stem cells, sirtuins safeguard quiescence and stemness to prevent cellular exhaustion. Regulation of cytokine production, which, in many cases, requires NF-κB regulation, is the best-characterized mechanism by which sirtuins control innate immune reactivity. In adaptive immunity, sirtuins promote T cell subset differentiation by controlling master regulators, thereby ensuring an optimal balance of helper (Th) T cell-dependent responses. Sirtuins are very important for immune regulation, but the means by which they regulate immunosenescence are not well understood. This review provides an integrative overview of the changes associated with immune system aging and its potential relationship with the roles of nuclear sirtuins in immune cells and overall organismal aging. Given the anti-aging properties of sirtuins, understanding how they contribute to immune responses is of vital importance and may help us develop novel strategies to improve immune performance in the aging organism.
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Affiliation(s)
- Andrés Gámez-García
- Chromatin Biology Laboratory, Josep Carreras Leukaemia Research Institute (IJC), Ctra de Can Ruti, Camí de les Escoles s/n, 08916 Badalona, Spain;
| | - Berta N. Vazquez
- Chromatin Biology Laboratory, Josep Carreras Leukaemia Research Institute (IJC), Ctra de Can Ruti, Camí de les Escoles s/n, 08916 Badalona, Spain;
- Unitat de Citologia i d’Histologia, Departament de Biologia Cellular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona (UAB), Cerdanyola del Valles, 08193 Barcelona, Spain
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12
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Giovannini D, Andreola F, Spitalieri P, Krasnowska EK, Colini Baldeschi A, Rossi S, Sangiuolo F, Cozzolino M, Serafino A. Natriuretic peptides are neuroprotective on in vitro models of PD and promote dopaminergic differentiation of hiPSCs-derived neurons via the Wnt/β-catenin signaling. Cell Death Discov 2021; 7:330. [PMID: 34725335 PMCID: PMC8560781 DOI: 10.1038/s41420-021-00723-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/12/2021] [Accepted: 10/15/2021] [Indexed: 12/16/2022] Open
Abstract
Over the last 20 years, the efforts to develop new therapies for Parkinson's disease (PD) have focused not only on the improvement of symptomatic therapy for motor and non-motor symptoms but also on the discovering of the potential causes of PD, in order to develop disease-modifying treatments. The emerging role of dysregulation of the Wnt/β-catenin signaling in the onset and progression of PD, as well as of other neurodegenerative diseases (NDs), renders the targeting of this signaling an attractive therapeutic opportunity for curing this brain disorder. The natriuretic peptides (NPs) atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP), and C-type natriuretic peptide (CNP), are cardiac and vascular-derived hormones also widely expressed in mammalian CNS, where they seem to participate in numerous brain functions including neural development/differentiation and neuroprotection. We recently demonstrated that ANP affects the Wnt/β-catenin pathway possibly through a Frizzled receptor-mediated mechanism and that it acts as a neuroprotective agent in in vitro models of PD by upregulating this signaling. Here we provide further evidence supporting the therapeutic potential of this class of natriuretic hormones. Specifically, we demonstrate that all the three natriuretic peptides are neuroprotective for SHSY5Y cells and primary cultures of DA neurons from mouse brain, subjected to neurotoxin insult with 6-hydroxydopamine (6-OHDA) for mimicking the neurodegeneration of PD, and these effects are associated with the activation of the Wnt/β-catenin pathway. Moreover, ANP, BNP, CNP are able to improve and accelerate the dopaminergic differentiation and maturation of hiPSCs-derived neural population obtained from two differed healthy donors, concomitantly affecting the canonical Wnt signaling. Our results support the relevance of exogenous ANP, BNP, and CNP as attractive molecules for both neuroprotection and neurorepair in PD, and more in general, in NDs for which aberrant Wnt signaling seems to be the leading pathogenetic mechanism.
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Affiliation(s)
- Daniela Giovannini
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy
| | - Federica Andreola
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy
| | - Paola Spitalieri
- Department of Biomedicine and Prevention, Genetic Medicine Unit, University of Rome "Tor Vergata", Rome, Italy
| | | | | | - Simona Rossi
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy
| | - Federica Sangiuolo
- Department of Biomedicine and Prevention, Genetic Medicine Unit, University of Rome "Tor Vergata", Rome, Italy
| | - Mauro Cozzolino
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy
| | - Annalucia Serafino
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy.
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13
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Gautam DK, Chimata AV, Gutti RK, Paddibhatla I. Comparative hematopoiesis and signal transduction in model organisms. J Cell Physiol 2021; 236:5592-5619. [PMID: 33492678 DOI: 10.1002/jcp.30287] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 12/24/2020] [Accepted: 01/08/2021] [Indexed: 12/21/2022]
Abstract
Hematopoiesis is a continuous phenomenon involving the formation of hematopoietic stem cells (HSCs) giving rise to diverse functional blood cells. This developmental process of hematopoiesis is evolutionarily conserved, yet comparably different in various model organisms. Vertebrate HSCs give rise to all types of mature cells of both the myeloid and the lymphoid lineages sequentially colonizing in different anatomical tissues. Signal transduction in HSCs facilitates their potency and specifies branching of lineages. Understanding the hematopoietic signaling pathways is crucial to gain insights into their deregulation in several blood-related disorders. The focus of the review is on hematopoiesis corresponding to different model organisms and pivotal role of indispensable hematopoietic pathways. We summarize and discuss the fundamentals of blood formation in both invertebrate and vertebrates, examining the requirement of key signaling nexus in hematopoiesis. Knowledge obtained from such comparative studies associated with developmental dynamics of hematopoiesis is beneficial to explore the therapeutic options for hematopoietic diseases.
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Affiliation(s)
- Dushyant Kumar Gautam
- Department of Biochemistry, School of Life Sciences (SLS), University of Hyderabad, Hyderabad, Telangana, India
| | | | - Ravi Kumar Gutti
- Department of Biochemistry, School of Life Sciences (SLS), University of Hyderabad, Hyderabad, Telangana, India
| | - Indira Paddibhatla
- Department of Biochemistry, School of Life Sciences (SLS), University of Hyderabad, Hyderabad, Telangana, India
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14
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Frenquelli M, Tonon G. WNT Signaling in Hematological Malignancies. Front Oncol 2020; 10:615190. [PMID: 33409156 PMCID: PMC7779757 DOI: 10.3389/fonc.2020.615190] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 11/16/2020] [Indexed: 12/19/2022] Open
Abstract
The role of the WNT signaling pathway in key cellular processes, such as cell proliferation, differentiation and migration is well documented. WNT signaling cascade is initiated by the interaction of WNT ligands with receptors belonging to the Frizzled family, and/or the ROR1/ROR2 and RYK families. The downstream signaling cascade results in the activation of the canonical β-catenin dependent pathway, ultimately leading to transcriptional control of cell proliferation, or the non-canonical pathway, mainly acting on cell migration and cell polarity. The high level of expression of both WNT ligands and WNT receptors in cancer cells and in the surrounding microenvironment suggests that WNT may represent a central conduit of interactions between tumor cells and microenviroment. In this review we will focus on WNT pathways deregulation in hematological cancers, both at the ligand and receptor levels. We will review available literature regarding both the classical β-catenin dependent pathway as well as the non-canonical pathway, with particular emphasis on the possible exploitation of WNT aberrant activation as a therapeutic target, a notion supported by preclinical data.
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Affiliation(s)
- Michela Frenquelli
- B-cell Neoplasia Unit, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Functional Genomics of Cancer Unit, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Giovanni Tonon
- Functional Genomics of Cancer Unit, Division of Experimental Oncology, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Center for Omics Sciences (COSR), IRCCS San Raffaele Scientific Institute, Milan, Italy
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15
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Optimizing BIO feeding strategy promotes ex vivo expansion of human hematopoietic stem and progenitor cells. J Biosci Bioeng 2020; 131:190-197. [PMID: 33127294 DOI: 10.1016/j.jbiosc.2020.09.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/18/2020] [Accepted: 09/28/2020] [Indexed: 11/21/2022]
Abstract
Ex vivo expansion is critical in facilitating the application of hematopoietic/progenitor stem cells (HSPCs) for regenerative therapies. Wnt signaling is implicated in the expansion and self-renewal maintenance of HSPCs. However, a reasonable method to regulate Wnt signaling in ex vivo cultures to achieve robust expansion of HSPCs has not yet been investigated. Here, cord blood-derived CD34+ cells were cultured with the activator of Wnt signaling 6-bromoindirubin-3'-oxime (BIO) under the following conditions: vehicle control (group A); BIO was added to the culture on days 0, 4, and 7 (group B); and BIO was added to the culture on days 0 and 7 (group C). Initial BIO treatment promoted the expansion of CD34+ cells on day 4. However, BIO supplementation on days 0 and 4 in group B attenuated HSPC expansion on day 7, while enhancing the multilineage commit potential and secondary expansion ability of expanded CD34+ cells. Based on this finding, an optimized BIO feeding strategy (group C) was proposed to support substantial expansion of HSPCs. After 10 days of culture, the expansion fold of CD34+ cells was 28.70 ± 0.46-folds, which was significantly higher than group A (16.20 ± 0.72-folds, p < 0.05). Moreover, the optimized BIO feeding strategy achieved increased primitive HSPC expansion without the loss of biological functions. Mechanistically, the optimized BIO feeding strategy avoided the excessive activation of Wnt observed in group B while maintaining a moderate level of intracellular β-catenin. These results provide an experimental and theoretical basis for Wnt regulation in ex vivo culture process and a potential strategy to expand HSPCs for transplantation.
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16
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Sferrazza G, Corti M, Brusotti G, Pierimarchi P, Temporini C, Serafino A, Calleri E. Nature-derived compounds modulating Wnt/ β -catenin pathway: a preventive and therapeutic opportunity in neoplastic diseases. Acta Pharm Sin B 2020; 10:1814-1834. [PMID: 33163337 PMCID: PMC7606110 DOI: 10.1016/j.apsb.2019.12.019] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 11/08/2019] [Accepted: 11/08/2019] [Indexed: 02/07/2023] Open
Abstract
The Wnt/β-catenin signaling is a conserved pathway that has a crucial role in embryonic and adult life. Dysregulation of the Wnt/β-catenin pathway has been associated with diseases including cancer, and components of the signaling have been proposed as innovative therapeutic targets, mainly for cancer therapy. The attention of the worldwide researchers paid to this issue is increasing, also in view of the therapeutic potential of these agents in diseases, such as Parkinson's disease (PD), for which no cure is existing today. Much evidence indicates that abnormal Wnt/β-catenin signaling is involved in tumor immunology and the targeting of Wnt/β-catenin pathway has been also proposed as an attractive strategy to potentiate cancer immunotherapy. During the last decade, several products, including naturally occurring dietary agents as well as a wide variety of products from plant sources, including curcumin, quercetin, berberin, and ginsenosides, have been identified as potent modulators of the Wnt/β-catenin signaling and have gained interest as promising candidates for the development of chemopreventive or therapeutic drugs for cancer. In this review we make an overview of the nature-derived compounds reported to have antitumor activity by modulating the Wnt/β-catenin signaling, also focusing on extraction methods, chemical features, and bio-activity assays used for the screening of these compounds.
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Affiliation(s)
- Gianluca Sferrazza
- Institute of Translational Pharmacology, National Research Council of Italy, Rome 03018, Italy
| | - Marco Corti
- Department of Drug Sciences, University of Pavia, Pavia 27100, Italy
| | - Gloria Brusotti
- Department of Drug Sciences, University of Pavia, Pavia 27100, Italy
| | - Pasquale Pierimarchi
- Institute of Translational Pharmacology, National Research Council of Italy, Rome 03018, Italy
| | | | - Annalucia Serafino
- Institute of Translational Pharmacology, National Research Council of Italy, Rome 03018, Italy
| | - Enrica Calleri
- Department of Drug Sciences, University of Pavia, Pavia 27100, Italy
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17
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The Lysine Methyltransferase SMYD2 Is Required for Definite Hematopoietic Stem Cell Production in the Mouse Embryo. Vet Sci 2020; 7:vetsci7030100. [PMID: 32722433 PMCID: PMC7560092 DOI: 10.3390/vetsci7030100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/17/2020] [Accepted: 07/20/2020] [Indexed: 11/21/2022] Open
Abstract
The five-membered SET and MYND domain-containing lysine methyltransferase (SMYD) family plays pivotal roles in development and differentiation. Initially characterized within the cardiovascular system, one such member, SMYD2, has been implicated in transcriptional and apoptotic regulation of hematopoiesis. Deletion of Smyd2 in adult mouse Hemaopoietic Stem Cells (HSC) using an interferon-inducible mx1-Cre-mediated conditional knockout (CKO) led to HSC reduction via both apoptosis and transcriptional deficiencies. Since HSC are specified from hemogenic endothelial (HE) cells in the dorsal aorta (DA), we sought to determine whether the flaw in HSC originated embryologically from this site. Toward this end, we performed deletion with vav-Cre mice, which is active in all hematopoietic and endothelial tissues from E10.5 embryonic life onward. Unexpectedly, we observed no defects in the embryo, other than apoptotic loss of definite HSC, whereas adult hematopoietic populations downstream were unaffected. These results further establish the importance of SMYD2 in antiapoptotic gene control of gene expression from the embryo to the adult.
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18
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Serafino A, Giovannini D, Rossi S, Cozzolino M. Targeting the Wnt/β-catenin pathway in neurodegenerative diseases: recent approaches and current challenges. Expert Opin Drug Discov 2020; 15:803-822. [PMID: 32281421 DOI: 10.1080/17460441.2020.1746266] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Wnt/β-catenin signaling is an evolutionarily conserved pathway having a crucial role in embryonic and adult life. Specifically, the Wnt/β-catenin axis is pivotal to the development and homeostasis of the nervous system, and its dysregulation has been associated with various neurological disorders, including neurodegenerative diseases. Therefore, this signaling pathway has been proposed as a potential therapeutic target against neurodegeneration. AREAS COVERED This review focuses on the role of Wnt/β-catenin pathway in the pathogenesis of neurodegenerative diseases, including Parkinson's, Alzheimer's Diseases and Amyotrophic Lateral Sclerosis. The evidence showing that defects in the signaling might be involved in the development of these diseases, and the pharmacological approaches tested so far, are discussed. The possibilities that this pathway offers in terms of new therapeutic opportunities are also considered. EXPERT OPINION The increasing interest paid to the role of Wnt/β-catenin pathway in the onset of neurodegenerative diseases demonstrates how targeting this signaling for therapeutic purposes could be a great opportunity for both neuroprotection and neurorepair. Without overlooking some licit concerns about drug safety and delivery to the brain, there is growing and more convincing evidence that restoring this signaling in neurodegenerative diseases may strongly increase the chance to develop disease-modifying treatments for these brain pathologies.
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Affiliation(s)
- Annalucia Serafino
- Institute of Translational Pharmacology, National Research Council (CNR) , Rome, Italy
| | - Daniela Giovannini
- Institute of Translational Pharmacology, National Research Council (CNR) , Rome, Italy
| | - Simona Rossi
- Institute of Translational Pharmacology, National Research Council (CNR) , Rome, Italy
| | - Mauro Cozzolino
- Institute of Translational Pharmacology, National Research Council (CNR) , Rome, Italy
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19
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Evangelisti C, Chiarini F, Cappellini A, Paganelli F, Fini M, Santi S, Martelli AM, Neri LM, Evangelisti C. Targeting Wnt/β-catenin and PI3K/Akt/mTOR pathways in T-cell acute lymphoblastic leukemia. J Cell Physiol 2020; 235:5413-5428. [PMID: 31904116 DOI: 10.1002/jcp.29429] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 12/19/2019] [Indexed: 12/13/2022]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematological disorder that results from the clonal transformation of T-cell precursors. Phosphatidylinositol 3-kinase (PI3K)/Akt/mechanistic target of rapamycin (mTOR) and canonical Wnt/β-catenin signaling pathways play a crucial role in T-cell development and in self-renewal of healthy and leukemic stem cells. Notably, β-catenin is a transcriptional regulator of several genes involved in cancer cell proliferation and survival. In this way, aberrations of components belonging to the aforementioned networks contribute to T-ALL pathogenesis. For this reason, inhibition of both pathways could represent an innovative strategy in this hematological malignancy. Here, we show that combined targeting of Wnt/β-catenin pathway through ICG-001, a CBP/β-catenin transcription inhibitor, and of the PI3K/Akt/mTOR axis through ZSTK-474, a PI3K inhibitor, downregulated proliferation, survival, and clonogenic activity of T-ALL cells. ICG-001 and ZSTK-474 displayed cytotoxic effects, and, when combined together, induced a significant increase in apoptotic cells. This induction of apoptosis was associated with the downregulation of Wnt/β-catenin and PI3K/Akt/mTOR pathways. All these findings were confirmed under hypoxic conditions that mimic the bone marrow niche where leukemic stem cells are believed to reside. Taken together, our findings highlight potentially promising treatment consisting of cotargeting Wnt/β-catenin and PI3K/Akt/mTOR pathways in T-ALL settings.
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Affiliation(s)
- Cecilia Evangelisti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Francesca Chiarini
- CNR Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", Bologna, Italy.,IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Alessandra Cappellini
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Francesca Paganelli
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Milena Fini
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Spartaco Santi
- CNR Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", Bologna, Italy.,IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Alberto M Martelli
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Luca M Neri
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy.,LTTA-Electron Microscopy Center, University of Ferrara, Ferrara, Italy
| | - Camilla Evangelisti
- CNR Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza", Bologna, Italy.,IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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20
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de Rezende MM, Ng-Blichfeldt JP, Justo GZ, Paredes-Gamero EJ, Gosens R. Divergent effects of Wnt5b on IL-3- and GM-CSF-induced myeloid differentiation. Cell Signal 2019; 67:109507. [PMID: 31857239 PMCID: PMC7116107 DOI: 10.1016/j.cellsig.2019.109507] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 12/12/2019] [Accepted: 12/16/2019] [Indexed: 11/17/2022]
Abstract
The multiple specialized cell types of the hematopoietic system originate from differentiation of hematopoietic stem cells and progenitors (HSPC), which can generate both lymphoid and myeloid lineages. The myeloid lineage is preferentially maintained during ageing, but the mechanisms that contribute to this process are incompletely understood. Here, we studied the roles of Wnt5a and Wnt5b, ligands that have previously been linked to hematopoietic stem cell ageing and that are abundantly expressed by both hematopoietic progenitors and bone-marrow derived niche cells. Whereas Wnt5a had no major effects on primitive cell differentiation, Wnt5b had profound and divergent effects on cytokine-induced myeloid differentiation. Remarkably, while IL-3- mediated myeloid differentiation was largely repressed by Wnt5b, GM-CSF-induced myeloid differentiation was augmented. Furthermore, in the presence of IL-3, Wnt5b enhanced HSPC self-renewal, whereas in the presence ofGM-CSF, Wnt5b accelerated differentiation, leading to progenitor cell exhaustion. Our results highlight discrepancies between IL-3 and GM-CSF, and reveal novel effects of Wnt5b on the hematopoietic system.
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Affiliation(s)
- Marina Mastelaro de Rezende
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; Department of Molecular Pharmacology, University of Groningen, Groningen 9713AV, Netherlands
| | - John-Poul Ng-Blichfeldt
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713AV, Netherlands; MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK
| | - Giselle Zenker Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; Departamento de Ciências Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Diadema 09913-030, Brazil
| | - Edgar Julian Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, 79070-900, Campo Grande, Mato Grosso do Sul, Brazil
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713AV, Netherlands.
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21
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Mejia-Ramirez E, Florian MC. Understanding intrinsic hematopoietic stem cell aging. Haematologica 2019; 105:22-37. [PMID: 31806687 PMCID: PMC6939535 DOI: 10.3324/haematol.2018.211342] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 11/14/2019] [Indexed: 01/03/2023] Open
Abstract
Hematopoietic stem cells (HSC) sustain blood production over the entire life-span of an organism. It is of extreme importance that these cells maintain self-renewal and differentiation potential over time in order to preserve homeostasis of the hematopoietic system. Many of the intrinsic aspects of HSC are affected by the aging process resulting in a deterioration in their potential, independently of their microenvironment. Here we review recent findings characterizing most of the intrinsic aspects of aged HSC, ranging from phenotypic to molecular alterations. Historically, DNA damage was thought to be the main cause of HSC aging. However, over recent years, many new findings have defined an increasing number of biological processes that intrinsically change with age in HSC. Epigenetics and chromatin architecture, together with autophagy, proteostasis and metabolic changes, and how they are interconnected, are acquiring growing importance for understanding the intrinsic aging of stem cells. Given the increase in populations of older subjects worldwide, and considering that aging is the primary risk factor for most diseases, understanding HSC aging becomes particularly relevant also in the context of hematologic disorders, such as myelodysplastic syndromes and acute myeloid leukemia. Research on intrinsic mechanisms responsible for HSC aging is providing, and will continue to provide, new potential molecular targets to possibly ameliorate or delay aging of the hematopoietic system and consequently improve the outcome of hematologic disorders in the elderly. The niche-dependent contributions to hematopoietic aging are discussed in another review in this same issue of the Journal.
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Affiliation(s)
- Eva Mejia-Ramirez
- Center for Regenerative Medicine in Barcelona (CMRB), Bellvitge Institute for Biomedical Research (IDIBELL), Barcelona, Spain.,Center for Networked Biomedical Research on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, 28029, Spain
| | - Maria Carolina Florian
- Center for Regenerative Medicine in Barcelona (CMRB), Bellvitge Institute for Biomedical Research (IDIBELL), Barcelona, Spain .,Institute of Molecular Medicine and Stem Cell Aging, Ulm University, Ulm, Germany EM-R and MCF contributed equally to this work
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22
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Han Q, Wang X, Liao X, Han C, Yu T, Yang C, Li G, Han B, Huang K, Zhu G, Liu Z, Zhou X, Su H, Shang L, Gong Y, Song X, Peng T, Ye X. Diagnostic and prognostic value of WNT family gene expression in hepatitis B virus‑related hepatocellular carcinoma. Oncol Rep 2019; 42:895-910. [PMID: 31322232 PMCID: PMC6667889 DOI: 10.3892/or.2019.7224] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 06/24/2019] [Indexed: 12/21/2022] Open
Abstract
The aim of the present study was to investigate the diagnostic and prognostic value of Wingless-type MMTV integration site (WNT) gene family expression in patients with hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC). The clinical data of the patients and gene expression levels were downloaded from Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) databases. Receiver operating characteristic curve analysis was used to investigate the diagnostic value of WNT genes. Cox proportional hazard regression analysis and Kaplan-Meier survival analysis were performed to evaluate the association of WNT gene expression level with overall survival (OS) and recurrence-free survival (RFS). A nomogram was constructed for the prediction of prognosis. Hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated. Diagnostic receiver operating characteristic curve analysis suggested that WNT2 had a high diagnostic value, with an area under the curve (AUC) of >0.800 (P<0.0001, AUC=0.810, 95% CI: 0.767–0.852). Survival analysis indicated that the expression level of WNT1 was significantly associated with OS and RFS (adjusted P=0.033, adjusted HR=0.607, 95% CI: 0.384–0.960; and adjusted P=0.007, adjusted HR=0.592, 95% CI: 0.404–0.868, respectively). In the TCGA validation cohort, we also observed that WNT2 was significantly differentially expressed between HCC tissues and adjacent non-tumor tissues, and WNT1 was associated with both the OS and RFS of HCC. Therefore, through the GSE14520 HBV-related HCC cohort we concluded that WNT2 may serve as a diagnostic biomarker and WNT1 may serve as a prognostic biomarker. These results may also be extended to TCGA HCC verification cohort.
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Affiliation(s)
- Quanfa Han
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Xiangkun Wang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Xiwen Liao
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Chuangye Han
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Tingdong Yu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Chengkun Yang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Guanghui Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Bowen Han
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Ketuan Huang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Guangzhi Zhu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Zhengqian Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Xin Zhou
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Hao Su
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Liming Shang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Yizhen Gong
- Department of Colorectal Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Xiaowei Song
- Department of Gastrointestinal Gland Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Tao Peng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Xinping Ye
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
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23
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Prasad S, Ramachandran S, Gupta N, Kaushik I, Srivastava SK. Cancer cells stemness: A doorstep to targeted therapy. Biochim Biophys Acta Mol Basis Dis 2019; 1866:165424. [PMID: 30818002 DOI: 10.1016/j.bbadis.2019.02.019] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 02/15/2019] [Accepted: 02/20/2019] [Indexed: 02/07/2023]
Abstract
Recent advances in research on cancer have led to understand the pathogenesis of cancer and development of new anticancer drugs. Despite of these advancements, many tumors have been found to recur, undergo metastasis and develop resistance to therapy. Accumulated evidences suggest that small population of cancer cells known as cancer stem cells (CSC) are responsible for reconstitution and propagation of the disease. CSCs possess the ability to self-renew, differentiate and proliferate like normal stem cells. CSCs also appear to have resistance to anti-cancer therapies and subsequent relapse. The underlying stemness properties of the CSCs are reliant on multiple molecular targets such as signaling pathways, cell surface molecules, tumor microenvironment, apoptotic pathways, microRNA, stem cell differentiation, and drug resistance markers. Thus an effective therapeutic strategy relies on targeting CSCs to overcome the possible tumor relapse and chemoresistance. The targeted inhibition of these stem cell biomarkers is one of the promising approaches to eliminate cancer stemness. This review article summarizes possible targets of cancer cell stemness for the complete treatment of cancer.
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Affiliation(s)
- Sahdeo Prasad
- Department of Immunotherapeutics and Biotechnology, and Center for Tumor Immunology and Targeted Cancer Therapy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
| | - Sharavan Ramachandran
- Department of Immunotherapeutics and Biotechnology, and Center for Tumor Immunology and Targeted Cancer Therapy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
| | - Nehal Gupta
- Department of Immunotherapeutics and Biotechnology, and Center for Tumor Immunology and Targeted Cancer Therapy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
| | - Itishree Kaushik
- Department of Immunotherapeutics and Biotechnology, and Center for Tumor Immunology and Targeted Cancer Therapy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA
| | - Sanjay K Srivastava
- Department of Immunotherapeutics and Biotechnology, and Center for Tumor Immunology and Targeted Cancer Therapy, Texas Tech University Health Sciences Center, Abilene, TX 79601, USA.
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24
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Liu J, Cui Z, Wang F, Yao Y, Yu G, Liu J, Cao D, Niu S, You M, Sun Z, Lian D, Zhao T, Kang Y, Zhao Y, Xue HH, Yu S. Lrp5 and Lrp6 are required for maintaining self-renewal and differentiation of hematopoietic stem cells. FASEB J 2019; 33:5615-5625. [PMID: 30668923 DOI: 10.1096/fj.201802072r] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hematopoietic stem cells (HSCs) have the capacity for self-renewal to maintain the HSCs' pool and the ability for multilineage differentiation, which are responsible for sustained production of multiple blood lineages. The regulation of HSC development is controlled precisely by complex signal networks and hematopoietic microenvironment, which has been termed the HSCs' niche. The Wnt signaling pathway is one of a variety of signaling pathways that have been involved in HSC self-renewal and maintenance. Previous studies are indeterminant on the regulation of adult HSCs upon canonical Wnt signaling pathways because of the different experimental systems and models used. In this study, we generated the conditional knockout Wnt coreceptor low-density lipoprotein receptor-related protein 5 (Lrp5) and low-density lipoprotein receptor-related protein 6 (Lrp6) mice in adult hematopoiesis via Vav-Cre Loxp system. Inactivation of Lrp5 and -6 in a hematopoietic system diminished the pool of HSCs, but there were no obvious defects in mature immune cells. Lrp5 and -6 double deficiency HSCs showed intrinsic defects in self-renewal and differentiation due to reduced proliferation and increased quiescence of the cell cycle. Analysis of HSC gene expression suggested that the quiescence regulators were significantly up-regulated, such as Egr1, Cdkn1a, Nr4a1, Gata2, Junb and Btg2, and the positive cell cycle regulators were correspondingly down-regulated, such as Ccna2 and Ranbp1. Taken together, we investigated the roles of Lrp5 and -6 in HSCs by functional and bioinformatic assays, and we demonstrated that Lrp5 and -6 are required for the self-renewal and differentiation of adult HSCs. The canonical Wnt pathway may contribute to maintaining the HSC pool and regulate the differentiation of adult HSCs by controlling cell cycle gene regulatory module.-Liu, J., Cui, Z., Wang, F., Yao, Y., Yu, G., Liu, J., Cao, D., Niu, S., You, M., Sun, Z., Lian, D., Zhao, T., Kang, Y., Zhao, Y., Xue, H.-H., Yu, S. Lrp5 and Lrp6 are required for maintaining self-renewal and differentiation of hematopoietic stem cells.
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Affiliation(s)
- Juanjuan Liu
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Zhengzhi Cui
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Fang Wang
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Yingpeng Yao
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Guotao Yu
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Jingjing Liu
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Dengchao Cao
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Shuaishuai Niu
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Menghao You
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Zhen Sun
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Di Lian
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Tianyan Zhao
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
| | - Youmin Kang
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China
| | - Yaofeng Zhao
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China
| | - Hai-Hui Xue
- Department of Microbiology and Immunology, Carver College of Medicine, University of Iowa, Iowa City, Iowa, USA
| | - Shuyang Yu
- State Key Laboratory of Agrobiotechnology and, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing, China; and
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25
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Rothberg JLM, Maganti HB, Jrade H, Porter CJ, Palidwor GA, Cafariello C, Battaion HL, Khan ST, Perkins TJ, Paulson RF, Ito CY, Stanford WL. Mtf2-PRC2 control of canonical Wnt signaling is required for definitive erythropoiesis. Cell Discov 2018; 4:21. [PMID: 29736258 PMCID: PMC5928144 DOI: 10.1038/s41421-018-0022-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 02/15/2018] [Accepted: 02/28/2018] [Indexed: 01/13/2023] Open
Abstract
Polycomb repressive complex 2 (PRC2) accessory proteins play substoichiometric, tissue-specific roles to recruit PRC2 to specific genomic loci or increase enzymatic activity, while PRC2 core proteins are required for complex stability and global levels of trimethylation of histone 3 at lysine 27 (H3K27me3). Here, we demonstrate a role for the classical PRC2 accessory protein Mtf2/Pcl2 in the hematopoietic system that is more akin to that of a core PRC2 protein. Mtf2-/- erythroid progenitors demonstrate markedly decreased core PRC2 protein levels and a global loss of H3K27me3 at promoter-proximal regions. The resulting de-repression of transcriptional and signaling networks blocks definitive erythroid development, culminating in Mtf2-/- embryos dying by e15.5 due to severe anemia. Gene regulatory network (GRN) analysis demonstrated Mtf2 directly regulates Wnt signaling in erythroblasts, leading to activated canonical Wnt signaling in Mtf2-deficient erythroblasts, while chemical inhibition of canonical Wnt signaling rescued Mtf2-deficient erythroblast differentiation in vitro. Using a combination of in vitro, in vivo and systems analyses, we demonstrate that Mtf2 is a critical epigenetic regulator of Wnt signaling during erythropoiesis and recast the role of polycomb accessory proteins in a tissue-specific context.
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Affiliation(s)
- Janet L. Manias Rothberg
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
- Ottawa Institute of Systems Biology, Ottawa, ON Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON Canada
| | - Harinad B. Maganti
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
- Ottawa Institute of Systems Biology, Ottawa, ON Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON Canada
| | - Hani Jrade
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
- Ottawa Institute of Systems Biology, Ottawa, ON Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON Canada
| | - Christopher J. Porter
- Ottawa Bioinformatics Core Facility, The Sprott Center for Stem Cell Research, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
| | - Gareth A. Palidwor
- Ottawa Bioinformatics Core Facility, The Sprott Center for Stem Cell Research, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
| | - Christopher Cafariello
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
- Ottawa Institute of Systems Biology, Ottawa, ON Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON Canada
| | - Hannah L. Battaion
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
- Ottawa Institute of Systems Biology, Ottawa, ON Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON Canada
| | - Safwat T. Khan
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
| | - Theodore J. Perkins
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON Canada
- Ottawa Bioinformatics Core Facility, The Sprott Center for Stem Cell Research, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
| | - Robert F. Paulson
- Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802 USA
| | - Caryn Y. Ito
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON Canada
| | - William L. Stanford
- The Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6 Canada
- Ottawa Institute of Systems Biology, Ottawa, ON Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON Canada
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26
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Majidinia M, Aghazadeh J, Jahanban‐Esfahlani R, Yousefi B. The roles of Wnt/β‐catenin pathway in tissue development and regenerative medicine. J Cell Physiol 2018; 233:5598-5612. [DOI: 10.1002/jcp.26265] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 11/14/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Maryam Majidinia
- Solid Tumor Research CenterUrmia University of Medical SciencesUrmiaIran
| | - Javad Aghazadeh
- Department of NeurosurgeryUrmia University of Medical SciencesUrmiaIran
| | - Rana Jahanban‐Esfahlani
- Immunology Research CenterTabriz University of Medical SciencesTabrizIran
- Drug Applied Research CenterTabriz University of Medical SciencesTabrizIran
| | - Bahman Yousefi
- Stem Cell and Regenerative Medicine InstituteTabriz University of Medical SciencesTabrizIran
- Molecular Targeting Therapy Research GroupFaculty of MedicineTabriz University ofMedical SciencesTabrizIran
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27
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Abstract
Purpose of Review Considerable progress has been made in the field of stem cell research; nonetheless, the use of stem cells for regenerative medicine therapies, for either endogenous tissue repair or cellular grafts post injury, remains a challenge. To better understand how to maintain stem cell potential in vivo and promote differentiation ex vivo, it is fundamentally important to elucidate the interactions between stem cells and their surrounding partners within their distinct niches. Recent Findings Among the vast array of proteins depicted as mediators for cell-to-cell interactions, connexin-comprised gap junctions play pivotal roles in the regulation of stem cell fate both in vivo and in vitro. Summary This review summarizes and illustrates the current knowledge regarding the multifaceted roles of Cx43, specifically, in various stem cell niches.
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Affiliation(s)
- Nafiisha Genet
- Department of Medicine, Genetics and Biomedical Engineering, Yale Cardiovascular Research Center, Vascular Biology Therapeutics Program, New Haven, USA.,2Yale Stem Cell Center Yale University School of Medicine, 300 George St, New Haven, CT 06511 USA
| | - Neha Bhatt
- Department of Medicine, Genetics and Biomedical Engineering, Yale Cardiovascular Research Center, Vascular Biology Therapeutics Program, New Haven, USA.,2Yale Stem Cell Center Yale University School of Medicine, 300 George St, New Haven, CT 06511 USA
| | - Antonin Bourdieu
- Department of Medicine, Genetics and Biomedical Engineering, Yale Cardiovascular Research Center, Vascular Biology Therapeutics Program, New Haven, USA.,2Yale Stem Cell Center Yale University School of Medicine, 300 George St, New Haven, CT 06511 USA
| | - Karen K Hirschi
- Department of Medicine, Genetics and Biomedical Engineering, Yale Cardiovascular Research Center, Vascular Biology Therapeutics Program, New Haven, USA.,2Yale Stem Cell Center Yale University School of Medicine, 300 George St, New Haven, CT 06511 USA
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28
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Li XX, Guo H, Zhou JD, Wu DH, Ma JC, Wen XM, Zhang W, Xu ZJ, Lin J, Jun Q. Overexpression of CTNNB1: Clinical implication in Chinese de novo acute myeloid leukemia. Pathol Res Pract 2018; 214:361-367. [PMID: 29496308 DOI: 10.1016/j.prp.2018.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 12/25/2017] [Accepted: 01/05/2018] [Indexed: 12/28/2022]
Abstract
Activation of Wnt/β-catenin signaling played a crucial role in tumorigenesis, and β-catenin (CTNNB1) overexpression has been identified in numerous solid tumors. The present study was designed to determine CTNNB1 expression and its clinical significance in Chinese de novo acute myeloid leukemia (AML) patients. Real-time quantitative PCR was carried out to detect the pattern of CTNNB1 expression in 140 AML patients and 46 controls. The level of CTNNB1 transcript in AML patients was significantly up-regulated compared with controls (P < 0.001). CTNNB1high patients showed significantly older age than CTNNB1low patients (P < 0.05). The frequency of high CTNNB1 expression was significantly observed in patients with intermediate/poor karyotypes. CTNNB1high patients had a significantly lower complete remission (CR) rate than CTNNB1low patients (P = 0.004). Among cytogenetically normal AML (CN-AML), CTNNB1high patients presented significantly shorter overall survival (OS, P = 0.004) and leukemia-free survival (LFS, P = 0.038) than CTNNB1low patients. Multivariate analysis confirmed that CTNNB1 expression was an independent prognostic factor for OS among CN-AML. Moreover, CTNNB1 expression level significantly decreased after CR stage (P = 0.032) and increased in relapsed stage (P = 0.015). Our findings suggest that CTNNB1 is overexpressed and confers a poor prognosis in AML, and could be used as a biomarker in monitoring disease recurrence.
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Affiliation(s)
- Xi-Xi Li
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China; School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China
| | - Hong Guo
- Laboratory Center, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China
| | - Jing-Dong Zhou
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China; School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China
| | - De-Hong Wu
- Department of Hematology, The Third People's Hospital of KunShan City, Suzhou, Jiangsu, People's Republic of China
| | - Ji-Chun Ma
- Laboratory Center, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China
| | - Xiang-Mei Wen
- Laboratory Center, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China
| | - Wei Zhang
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China
| | - Zi-Jun Xu
- Laboratory Center, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China; School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China
| | - Jiang Lin
- Laboratory Center, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China
| | - Qian Jun
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China; The Key Lab of Precision Diagnosis and Treatment of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China.
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29
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Janovská P, Bryja V. Wnt signalling pathways in chronic lymphocytic leukaemia and B-cell lymphomas. Br J Pharmacol 2017; 174:4701-4715. [PMID: 28703283 PMCID: PMC5727250 DOI: 10.1111/bph.13949] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 06/19/2017] [Accepted: 06/29/2017] [Indexed: 12/31/2022] Open
Abstract
In this review, we discuss the intricate roles of the Wnt signalling network in the development and progression of mature B-cell-derived haematological malignancies, with a focus on chronic lymphocytic leukaemia (CLL) and related B-cell lymphomas. We review the current literature and highlight the differences between the β-catenin-dependent and -independent branches of Wnt signalling. Special attention is paid to the role of the non-canonical Wnt/planar cell polarity (PCP) pathway, mediated by the Wnt-5-receptor tyrosine kinase-like orphan receptor (ROR1)-Dishevelled signalling axis in CLL. This is mainly because the Wnt/PCP co-receptor ROR1 was found to be overexpressed in CLL and the Wnt/PCP pathway contributes to numerous aspects of CLL pathogenesis. We also discuss the possibilities of therapeutically targeting the Wnt signalling pathways as an approach to disrupt the crucial interaction between malignant cells and their micro-environment. We also advocate the need for research in this direction for other lymphomas, namely, diffuse large B-cell lymphoma, Hodgkin lymphoma, mantle cell lymphoma, Burkitt lymphoma and follicular lymphoma where the Wnt signalling pathway probably plays a similar role. LINKED ARTICLES This article is part of a themed section on WNT Signalling: Mechanisms and Therapeutic Opportunities. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.24/issuetoc.
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Affiliation(s)
- Pavlína Janovská
- Institute of Experimental Biology, Faculty of ScienceMasaryk UniversityBrnoCzech Republic
| | - Vítězslav Bryja
- Institute of Experimental Biology, Faculty of ScienceMasaryk UniversityBrnoCzech Republic
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30
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Famili F, Brugman MH, Taskesen E, Naber BEA, Fodde R, Staal FJT. High Levels of Canonical Wnt Signaling Lead to Loss of Stemness and Increased Differentiation in Hematopoietic Stem Cells. Stem Cell Reports 2017; 6:652-659. [PMID: 27167156 PMCID: PMC4939829 DOI: 10.1016/j.stemcr.2016.04.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 04/07/2016] [Accepted: 04/11/2016] [Indexed: 11/25/2022] Open
Abstract
Canonical Wnt signaling regulates the self-renewal of most if not all stem cell systems. In the blood system, the role of Wnt signaling has been the subject of much debate but there is consensus that high Wnt signals lead to loss of reconstituting capacity. To better understand this phenomenon, we have taken advantage of a series of hypomorphic mutant Apc alleles resulting in a broad range of Wnt dosages in hematopoietic stem cells (HSCs) and performed whole-genome gene expression analyses. Gene expression profiling and functional studies show that HSCs with APC mutations lead to high Wnt levels, enhanced differentiation, and diminished proliferation but have no effect on apoptosis, collectively leading to loss of stemness. Thus, we provide mechanistic insight into the role of APC mutations and Wnt signaling in HSC biology. As Wnt signals are explored in various in vivo and ex vivo expansion protocols for HSCs, our findings also have clinical ramifications.
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Affiliation(s)
- Farbod Famili
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, 2300 Leiden, the Netherlands
| | - Martijn H Brugman
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, 2300 Leiden, the Netherlands
| | - Erdogan Taskesen
- Department of Clinical Genetics, VU University, 1081 Amsterdam, the Netherlands
| | - Brigitta E A Naber
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, 2300 Leiden, the Netherlands
| | - Riccardo Fodde
- Department of Pathology, Erasmus Medical Center, 3000 Rotterdam, the Netherlands
| | - Frank J T Staal
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, 2300 Leiden, the Netherlands.
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31
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Siriboonpiputtana T, Zeisig BB, Zarowiecki M, Fung TK, Mallardo M, Tsai CT, Lau PNI, Hoang QC, Veiga P, Barnes J, Lynn C, Wilson A, Lenhard B, So CWE. Transcriptional memory of cells of origin overrides β-catenin requirement of MLL cancer stem cells. EMBO J 2017; 36:3139-3155. [PMID: 28978671 PMCID: PMC5666593 DOI: 10.15252/embj.201797994] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 08/23/2017] [Accepted: 08/25/2017] [Indexed: 01/03/2023] Open
Abstract
While β-catenin has been demonstrated as an essential molecule and therapeutic target for various cancer stem cells (CSCs) including those driven by MLL fusions, here we show that transcriptional memory from cells of origin predicts AML patient survival and allows β-catenin-independent transformation in MLL-CSCs derived from hematopoietic stem cell (HSC)-enriched LSK population but not myeloid-granulocyte progenitors. Mechanistically, β-catenin regulates expression of downstream targets of a key transcriptional memory gene, Hoxa9 that is highly enriched in LSK-derived MLL-CSCs and helps sustain leukemic self-renewal. Suppression of Hoxa9 sensitizes LSK-derived MLL-CSCs to β-catenin inhibition resulting in abolishment of CSC transcriptional program and transformation ability. In addition, further molecular and functional analyses identified Prmt1 as a key common downstream mediator for β-catenin/Hoxa9 functions in LSK-derived MLL-CSCs. Together, these findings not only uncover an unexpectedly important role of cells of origin transcriptional memory in regulating CSC self-renewal, but also reveal a novel molecular network mediated by β-catenin/Hoxa9/Prmt1 in governing leukemic self-renewal.
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MESH Headings
- Animals
- Antigens, Ly/genetics
- Antigens, Ly/metabolism
- Cell Proliferation
- Cell Survival
- Disease Models, Animal
- Gene Expression Profiling
- Gene Expression Regulation, Leukemic
- Hematopoietic Stem Cells/metabolism
- Hematopoietic Stem Cells/pathology
- Homeodomain Proteins/antagonists & inhibitors
- Homeodomain Proteins/genetics
- Homeodomain Proteins/metabolism
- Humans
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/mortality
- Leukemia, Myeloid, Acute/pathology
- Membrane Proteins/genetics
- Membrane Proteins/metabolism
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- Protein-Arginine N-Methyltransferases/genetics
- Protein-Arginine N-Methyltransferases/metabolism
- Proto-Oncogene Proteins c-kit/genetics
- Proto-Oncogene Proteins c-kit/metabolism
- RNA, Small Interfering/genetics
- RNA, Small Interfering/metabolism
- Repressor Proteins/genetics
- Repressor Proteins/metabolism
- Signal Transduction
- Survival Analysis
- Transcription, Genetic
- beta Catenin/genetics
- beta Catenin/metabolism
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Affiliation(s)
- Teerapong Siriboonpiputtana
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Bernd B Zeisig
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Magdalena Zarowiecki
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Tsz Kan Fung
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Maria Mallardo
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Chiou-Tsun Tsai
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Priscilla Nga Ieng Lau
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Quoc Chinh Hoang
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Pedro Veiga
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Jo Barnes
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Claire Lynn
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Amanda Wilson
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
| | - Boris Lenhard
- Faculty of Medicine, Institute of Clinical Sciences, Imperial College London, London, UK
- Computational Regulatory Genomics, MRC London Institute of Medical Sciences, London, UK
- Sars International Centre for Marine Molecular Biology, University of Bergen, Bergen, Norway
| | - Chi Wai Eric So
- Department of Haematological Medicine, Division of Cancer Studies, Leukemia and Stem Cell Biology Team, King's College London, London, UK
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Paciejewska MM, Maijenburg MW, Gilissen C, Kleijer M, Vermeul K, Weijer K, Veltman JA, von Lindern M, van der Schoot CE, Voermans C. Different Balance of Wnt Signaling in Adult and Fetal Bone Marrow-Derived Mesenchymal Stromal Cells. Stem Cells Dev 2017; 25:934-47. [PMID: 27154244 DOI: 10.1089/scd.2015.0263] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are applied as novel therapeutics for their regenerative and immune-suppressive capacities. Clinical applications, however, require extensive expansion of MSCs. Fetal bone marrow-derived MSCs (FBMSCs) proliferate faster than adult bone marrow-derived MSC (ABMSCs). To optimize expansion and function of MSC in general, we explored the differences between ABMSC and FBMSC. Gene expression profiling implicated differential expression of genes encoding proteins in the Wnt signaling pathway, including excreted inhibitors of Wnt signaling, particularly by ABMSC. Both MSC types had a similar basal level of canonical Wnt signaling. Abrogation of autocrine Wnt production by inhibitor of Wnt production-2 (IWP2) reduced canonical Wnt signaling and cell proliferation of FBMSCs, but hardly affected ABMSC. Addition of exogenous Wnt3a, however, induced expression of the target genes lymphocyte enhancer-binding factor (LEF) and T-cell factor (TCF) faster and at lower Wnt3a levels in ABMSC compared to FBMSC. Medium replacement experiments indicated that ABMSC produce an inhibitor of Wnt signaling that is effective on ABMSC itself but not on FBMSC, whereas FBMSC excrete (Wnt) factors that stimulate proliferation of ABMSC. In contrast, FBMSC were not able to support hematopoiesis, whereas ABMSC displayed hematopoietic support sensitive to IWP2, the inhibitor of Wnt factor excretion. In conclusion, ABMSC and FBMSC differ in their Wnt signature. While FBMSC produced factors, including Wnt signals, that enhanced MSC proliferation, ABMSC produced Wnt factors in a setting that enhanced hematopoietic support. Thus, further unraveling the molecular basis of this phenomenon may lead to improvement of clinical expansion protocols of ABMSCs.
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Affiliation(s)
- Maja M Paciejewska
- 1 Department of Hematopoiesis, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Marijke W Maijenburg
- 1 Department of Hematopoiesis, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands .,2 Department of Experimental Immunohematology, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Christian Gilissen
- 3 Department of Human Genetics, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands
| | - Marion Kleijer
- 1 Department of Hematopoiesis, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Kim Vermeul
- 1 Department of Hematopoiesis, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Kees Weijer
- 4 Department of Cell Biology and Histology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Joris A Veltman
- 3 Department of Human Genetics, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands
| | - Marieke von Lindern
- 1 Department of Hematopoiesis, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands .,5 Department of Hematology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - C Ellen van der Schoot
- 2 Department of Experimental Immunohematology, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands .,5 Department of Hematology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Carlijn Voermans
- 1 Department of Hematopoiesis, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands .,2 Department of Experimental Immunohematology, Sanquin Research, Amsterdam, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
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33
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Xia W, Zhuang L, Deng X, Hou M. Long noncoding RNA‑p21 modulates cellular senescence via the Wnt/β‑catenin signaling pathway in mesenchymal stem cells. Mol Med Rep 2017; 16:7039-7047. [PMID: 28901439 DOI: 10.3892/mmr.2017.7430] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Accepted: 02/15/2017] [Indexed: 01/09/2023] Open
Abstract
Mesenchymal stem cell (MSC)‑based therapies have demonstrated efficacy in animal models of cardiovascular diseases. However, MSCs decrease in quantity and quality with age, which reduces their capacity for damage repair. Long noncoding (lnc) RNAs regulate gene transcription and the fate of post‑transcriptional mRNA, affecting a broad range of age‑associated physiological and pathological conditions, including cardiovascular disease and cancer cell senescence. However, the functional role of lncRNAs in stem cell senescence remains largely unknown. The present study isolated bone marrow‑derived MSCs from young (8‑week‑old) and aged (18‑month‑old) male C57BL/6 mice. Cell proliferation was measured using a Cell Counting kit‑8 assay, and the secretion of vascular endothelial growth factor, basic fibroblast growth factor, hepatocyte growth factor and insulin‑like growth factor was measured by ELISA. Western blotting was performed to investigate β‑catenin protein expression. Oxidative stress was evaluated by detecting reactive oxygen species, and the activity of superoxide dismutase and malondialdehyde. MSCs isolated from aged mice demonstrated reduced proliferation and paracrine signaling, and increased oxidative stress and expression of lincRNA‑p21compared with MSCs from younger mice. Silencing lincRNA‑p21 in aged MSCs using small interfering RNA (siRNA) enhanced cell growth and paracrine function, and decreased oxidative stress. These results were reversed when β‑catenin expression was silenced using siRNA. In conclusion, lincRNA‑p21 may serve a role in MSC senescence, and silencing lincRNA‑p21 may rejuvenate MSCs by interacting with the Wnt/β‑catenin signaling pathway. Targeting lincRNA‑p21 may therefore have important therapeutic implications for restoring endogenous MSCs in aged individuals.
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Affiliation(s)
- Wenzheng Xia
- Department of Neurosurgery, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Lei Zhuang
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Xia Deng
- Department of Radiation Oncology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Meng Hou
- Department of Radiation Oncology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
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Bongiovanni D, Saccomani V, Piovan E. Aberrant Signaling Pathways in T-Cell Acute Lymphoblastic Leukemia. Int J Mol Sci 2017; 18:ijms18091904. [PMID: 28872614 PMCID: PMC5618553 DOI: 10.3390/ijms18091904] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 08/30/2017] [Accepted: 09/01/2017] [Indexed: 12/12/2022] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive disease caused by the malignant transformation of immature progenitors primed towards T-cell development. Clinically, T-ALL patients present with diffuse infiltration of the bone marrow by immature T-cell blasts high blood cell counts, mediastinal involvement, and diffusion to the central nervous system. In the past decade, the genomic landscape of T-ALL has been the target of intense research. The identification of specific genomic alterations has contributed to identify strong oncogenic drivers and signaling pathways regulating leukemia growth. Notwithstanding, T-ALL patients are still treated with high-dose multiagent chemotherapy, potentially exposing these patients to considerable acute and long-term side effects. This review summarizes recent advances in our understanding of the signaling pathways relevant for the pathogenesis of T-ALL and the opportunities offered for targeted therapy.
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Affiliation(s)
- Deborah Bongiovanni
- Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Universita' di Padova, Padova 35128, Italy.
| | - Valentina Saccomani
- Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Universita' di Padova, Padova 35128, Italy.
| | - Erich Piovan
- Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Universita' di Padova, Padova 35128, Italy.
- UOC Immunologia e Diagnostica Molecolare Oncologica, Istituto Oncologico Veneto IOV-IRCCS, Padova 35128, Italy.
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35
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Li F, He B, Ma X, Yu S, Bhave RR, Lentz SR, Tan K, Guzman ML, Zhao C, Xue HH. Prostaglandin E1 and Its Analog Misoprostol Inhibit Human CML Stem Cell Self-Renewal via EP4 Receptor Activation and Repression of AP-1. Cell Stem Cell 2017; 21:359-373.e5. [PMID: 28844837 DOI: 10.1016/j.stem.2017.08.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 03/03/2017] [Accepted: 07/31/2017] [Indexed: 02/02/2023]
Abstract
Effective treatment of chronic myelogenous leukemia (CML) largely depends on the eradication of CML leukemic stem cells (LSCs). We recently showed that CML LSCs depend on Tcf1 and Lef1 factors for self-renewal. Using a connectivity map, we identified prostaglandin E1 (PGE1) as a small molecule that partly elicited the gene expression changes in LSCs caused by Tcf1/Lef1 deficiency. Although it has little impact on normal hematopoiesis, we found that PGE1 treatment impaired the persistence and activity of LSCs in a pre-clinical murine CML model and a xenograft model of transplanted CML patient CD34+ stem/progenitor cells. Mechanistically, PGE1 acted on the EP4 receptor and repressed Fosb and Fos AP-1 factors in a β-catenin-independent manner. Misoprostol, an FDA-approved EP4 agonist, conferred similar protection against CML. These findings suggest that activation of this PGE1-EP4 pathway specifically targets CML LSCs and that the combination of PGE1/misoprostol with conventional tyrosine-kinase inhibitors could provide effective therapy for CML.
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Affiliation(s)
- Fengyin Li
- Department of Microbiology and Immunology, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Bing He
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA; Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Xiaoke Ma
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA; Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Shuyang Yu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, P.R. China
| | - Rupali R Bhave
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Steven R Lentz
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Kai Tan
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA; Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Monica L Guzman
- Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Chen Zhao
- Department of Pathology, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA.
| | - Hai-Hui Xue
- Department of Microbiology and Immunology, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA.
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36
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Kumar S, Geiger H. HSC Niche Biology and HSC Expansion Ex Vivo. Trends Mol Med 2017; 23:799-819. [PMID: 28801069 DOI: 10.1016/j.molmed.2017.07.003] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 07/11/2017] [Accepted: 07/12/2017] [Indexed: 02/08/2023]
Abstract
Hematopoietic stem cell (HSC) transplantation can restore a new functional hematopoietic system in recipients in cases where the system of the recipient is not functional or for example is leukemic. However, the number of available donor HSCs is often too low for successful transplantation. Expansion of HSCs and thus HSC self-renewal ex vivo would greatly improve transplantation therapy in the clinic. In vivo, HSCs expand significantly in the niche, but establishing protocols that result in HSC expansion ex vivo remains challenging. In this review we discuss current knowledge of niche biology, the intrinsic regulators of HSC self-renewal in vivo, and introduce novel niche-informed strategies of HSC expansion ex vivo.
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Affiliation(s)
- Sachin Kumar
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Research Foundation, Cincinnati, OH 45229, USA.
| | - Hartmut Geiger
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Research Foundation, Cincinnati, OH 45229, USA; Institute of Molecular Medicine, Ulm University, Ulm, Germany; Aging Research Center, Ulm University, Ulm, Germany.
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37
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Franiak-Pietryga I, Maciejewski H, Ziemba B, Appelhans D, Voit B, Robak T, Jander M, Treliński J, Bryszewska M, Borowiec M. Blockage of Wnt/β-Catenin Signaling by Nanoparticles Reduces Survival and Proliferation of CLL Cells In Vitro-Preliminary Study. Macromol Biosci 2017; 17. [DOI: 10.1002/mabi.201700130] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 06/19/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Ida Franiak-Pietryga
- Department of Clinical and Laboratory Genetics; Medical University of Lodz; Pomorska Str. 251 92-213 Lodz Poland
- Laboratory of Clinical and Transplant Immunology and Genetics; Copernicus Memorial Hospital; Pabianicka Str. 62 93-513 Lodz Poland
- GeneaMed LTD; Kopcinskiego Str. 16/18/904 90-232 Lodz Poland
| | - Henryk Maciejewski
- Department of Computer Engineering; Wroclaw University of Technology; Janiszewskiego Str. 11/17 50-372 Wroclaw Poland
| | - Barbara Ziemba
- Department of Clinical and Laboratory Genetics; Medical University of Lodz; Pomorska Str. 251 92-213 Lodz Poland
| | - Dietmar Appelhans
- Leibniz Institute of Polymer Research Dresden; Hohe Str. 6 D-01069 Dresden Germany
| | - Brigitte Voit
- Leibniz Institute of Polymer Research Dresden; Hohe Str. 6 D-01069 Dresden Germany
| | - Tadeusz Robak
- Department of Hematology; Medical University of Lodz; Copernicus Memorial Hospital; Pabianicka Str. 62 93-513 Lodz Poland
| | | | - Jacek Treliński
- Department of Hematology; Medical University of Lodz; Copernicus Memorial Hospital; Pabianicka Str. 62 93-513 Lodz Poland
| | - Maria Bryszewska
- Department of General Biophysics; Faculty of Biology and Environmental Protection; University of Lodz; Pomorska Str. 141/143 90-236 Lodz Poland
| | - Maciej Borowiec
- Department of Clinical and Laboratory Genetics; Medical University of Lodz; Pomorska Str. 251 92-213 Lodz Poland
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Transgenic expression of a canonical Wnt inhibitor, kallistatin, is associated with decreased circulating CD19 + B lymphocytes in the peripheral blood. Int J Hematol 2017; 105:748-757. [PMID: 28299632 DOI: 10.1007/s12185-017-2205-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 02/21/2017] [Accepted: 02/28/2017] [Indexed: 12/28/2022]
Abstract
Members of the family of serine proteinase inhibitors, such as kallistatin, have been shown to inhibit canonical Wnt-TCF/LEF-β-catenin signaling via their interactions with the Wnt co-receptor LRP6. Yet the effects of transgenic overexpression of anti-Wnt serpins on hematopoiesis and lymphopoiesis are not well known. We studied the effects of human kallistatin (SERPINA4) on Wnt reporter activity in various cell types throughout the hematopoietic system and associated impacts on circulating white blood cell profiles. Transgenic overexpression of kallistatin suppressed Wnt-TCF/LEF-β-catenin signaling in bone marrow, as demonstrated using a Wnt reporter mouse. Further, kallistatin overexpression and treatment were associated with reduced Wnt-TCF/LEF-β-catenin activity in CD34+ c-kit+ bone marrow cells and CD19+ B lymphocytes, with reduced levels of these populations in bone marrow and peripheral circulation, respectively. The presence of CD3+CD4+, CD3+CD8+, and CD3- NK1.1+ T lymphocytes were not significantly affected. Our data suggest that overexpression of kallistatin interferes with lymphopoiesis, ultimately impacting the level of circulating CD19+ B lymphocytes.
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39
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Wang H, Diao D, Shi Z, Zhu X, Gao Y, Gao S, Liu X, Wu Y, Rudolph KL, Liu G, Li T, Ju Z. SIRT6 Controls Hematopoietic Stem Cell Homeostasis through Epigenetic Regulation of Wnt Signaling. Cell Stem Cell 2017; 18:495-507. [PMID: 27058938 DOI: 10.1016/j.stem.2016.03.005] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 02/06/2016] [Accepted: 03/16/2016] [Indexed: 12/21/2022]
Abstract
Proper regulation of Wnt signaling is critical for the maintenance of hematopoietic stem cell (HSC) homeostasis. The epigenetic regulation of Wnt signaling in HSCs remains largely unknown. Here, we report that the histone deacetylase SIRT6 regulates HSC homeostasis through the transcriptional repression of Wnt target genes. Sirt6 deletion promoted HSC proliferation through aberrant activation of Wnt signaling. SIRT6-deficient HSCs exhibited impaired self-renewal ability in serial competitive transplantation assay. Mechanistically, SIRT6 inhibits the transcription of Wnt target genes by interacting with transcription factor LEF1 and deacetylating histone 3 at lysine 56. Pharmacological inhibition of the Wnt pathway rescued the aberrant proliferation and functional defect in SIRT6-deficient HSCs. Taken together, these findings disclose a new link between SIRT6 and Wnt signaling in the regulation of adult stem cell homeostasis and self-renewal capacity.
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Affiliation(s)
- Hu Wang
- Institute of Aging Research, Hangzhou Normal University School of Medicine, Hangzhou 311121, China.
| | - Daojun Diao
- Institute of Aging Research, Hangzhou Normal University School of Medicine, Hangzhou 311121, China
| | - Zhencan Shi
- Institute of Aging Research, Hangzhou Normal University School of Medicine, Hangzhou 311121, China
| | - Xudong Zhu
- Institute of Aging Research, Hangzhou Normal University School of Medicine, Hangzhou 311121, China
| | - Yawei Gao
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Shaorong Gao
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Xiaoyu Liu
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - You Wu
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - K Lenhard Rudolph
- Leibniz Institute on Aging, Fritz Lipmann Institute e.V., Beutenbergstrasse 11, 07745 Jena, Germany
| | - Guanghui Liu
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Tangliang Li
- Institute of Aging Research, Hangzhou Normal University School of Medicine, Hangzhou 311121, China
| | - Zhenyu Ju
- Institute of Aging Research, Hangzhou Normal University School of Medicine, Hangzhou 311121, China.
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40
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Serafino A, Sferrazza G, Colini Baldeschi A, Nicotera G, Andreola F, Pittaluga E, Pierimarchi P. Developing drugs that target the Wnt pathway: recent approaches in cancer and neurodegenerative diseases. Expert Opin Drug Discov 2016; 12:169-186. [PMID: 27960558 DOI: 10.1080/17460441.2017.1271321] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Wnt/β-catenin signaling is an evolutionarily conserved pathway that has a crucial role in embryonic and adult life. Dysregulation of Wnt/β-catenin pathway has been associated with various diseases, including cancer and neurodegenerative disorders, including Parkinson's disease (PD). Several molecular components of the signaling have been proposed as innovative targets for cancer therapy, and very recently, some of them have been also evaluated as potential therapeutic targets for PD. Areas covered: This review focuses on the role of Wnt/β-catenin pathway in the pathogenensis of cancer and PD, examining some recent therapeutic approaches that are ongoing in preclinical and clinical studies. The possibilities that this signaling offers for diagnosis and prognosis of neoplastic diseases, and the concerns of targeting this pathway are also discussed. Expert opinion: Despite the stimulating results obtained in preclinical studies on cancer and other disease models, the clinical experience with Wnt modulators is still in its infancy, and is mainly restricted to anticancer therapy. Even with concerns of the safety of drugs targeting Wnt signaling, the attention of researchers worldwide is increasing to this issue in terms of their therapeutic potential for diseases such as PD, for which no cure exists.
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Affiliation(s)
- Annalucia Serafino
- a Institute of Translational Pharmacology , National Research Council (CNR) , Rome , Italy
| | - Gianluca Sferrazza
- a Institute of Translational Pharmacology , National Research Council (CNR) , Rome , Italy
| | | | - Giuseppe Nicotera
- a Institute of Translational Pharmacology , National Research Council (CNR) , Rome , Italy
| | - Federica Andreola
- a Institute of Translational Pharmacology , National Research Council (CNR) , Rome , Italy
| | - Eugenia Pittaluga
- a Institute of Translational Pharmacology , National Research Council (CNR) , Rome , Italy
| | - Pasquale Pierimarchi
- a Institute of Translational Pharmacology , National Research Council (CNR) , Rome , Italy
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41
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Hu J, Feng M, Liu ZL, Liu Y, Huang ZL, Li H, Feng WL. Potential role of Wnt/β-catenin signaling in blastic transformation of chronic myeloid leukemia: cross talk between β-catenin and BCR-ABL. Tumour Biol 2016; 37:10.1007/s13277-016-5413-3. [PMID: 27817074 DOI: 10.1007/s13277-016-5413-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 09/13/2016] [Indexed: 12/25/2022] Open
Abstract
Chronic myeloid leukemia (CML) results from malignant transformation of hematopoietic stem cells induced by the BCR-ABL oncogene. Transformation from chronic to blastic phase is the lethal step in CML. Leukemic stem cells (LSCs) are the basic reason for blastic transformation. It has been shown that Wnt/β-catenin signaling contributes to the self-renewal capacity and proliferation of LSCs in CML. However, the role of Wnt/β-catenin signaling in blastic transformation of CML is still obscure. Here, we explored the relationship between BCR-ABL and β-catenin signaling in vitro and in vivo. We found that BCR-ABL stimulated β-catenin via activation of PI3K/AKT signaling in blastic phase CML cells. Inhibition of the kinase activity of BCR-ABL, PI3K, or AKT decreased the level of β-catenin in both K562 cells and a CML mouse model and suppressed the transcription of downstream target genes (c-myc and cyclin D1). In addition, inhibition of the BCR-ABL/PI3K/AKT pathway delayed the disease progression in the CML mouse model. To further explore the role of β-catenin in the self-renewal and survival of CML LSCs, we established a secondary transplantation CML mouse model. Our data revealed that inhibition of the BCR-ABL/PI3K/AKT pathway reduced the tumor-initiating ability of K562 cells, decreased leukemia cell infiltration into peripheral blood and bone marrow, and prolonged the survival of mice. In conclusion, our data indicate a close relationship between β-catenin and BCR-ABL/PI3K/AKT in blastic phase CML. β-Catenin inhibition may be of therapeutic value by targeting LSCs in combination with a tyrosine kinase inhibitor, which may delay blastic transformation of CML.
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Affiliation(s)
- Jing Hu
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Min Feng
- Institute of Neuroscience, Key Laboratory of Neurobiology, Chongqing Medical University, Chongqing, China
| | - Zhang-Ling Liu
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Yi Liu
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Zheng-Lan Huang
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Hui Li
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Wen-Li Feng
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, Chongqing, China.
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Bhavanasi D, Klein PS. Wnt Signaling in Normal and Malignant Stem Cells. CURRENT STEM CELL REPORTS 2016; 2:379-387. [PMID: 28503404 DOI: 10.1007/s40778-016-0068-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Wnt signaling plays important roles in stem cell self-renewal and differentiation in adults as well as in embryonic development. Mutations that activate canonical Wnt/β-catenin signaling also initiate and maintain several cancer states, including colorectal cancer and leukemia, and hence Wnt inhibitors are currently being explored as therapeutic options. In this review, we summarize previous studies and update recent findings on canonical Wnt signaling and its components, as well as their roles in somatic stem cell homeostasis and maintenance of cancer initiating cells.
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Affiliation(s)
- Dheeraj Bhavanasi
- Department of Medicine (Hematology-Oncology), University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
| | - Peter S Klein
- Department of Medicine (Hematology-Oncology), University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA.,Cell and Molecular Biology Graduate Group, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
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Sasine JP, Yeo KT, Chute JP. Concise Review: Paracrine Functions of Vascular Niche Cells in Regulating Hematopoietic Stem Cell Fate. Stem Cells Transl Med 2016; 6:482-489. [PMID: 28191767 PMCID: PMC5442811 DOI: 10.5966/sctm.2016-0254] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 08/04/2016] [Indexed: 01/09/2023] Open
Abstract
The functions of endothelial cells (ECs) in regulating oxygen delivery, nutrient exchange, coagulation, and transit of inflammatory cells throughout the body are well‐‐established. ECs have also been shown to regulate the maintenance and regeneration of organ‐specific stem cells in mammals. In the hematopoietic system, hematopoietic stem cells (HSCs) are dependent on signals from the bone marrow (BM) vascular niche for their maintenance and regeneration after myelosuppressive injury. Recent studies have demonstrated the essential functions of BM ECs and perivascular stromal cells in regulating these processes. In the present study, we summarize the current understanding of the role of BM ECs and perivascular cells in regulating HSC maintenance and regeneration and highlight the contribution of newly discovered EC‐derived paracrine factors that regulate HSC fate. Stem Cells Translational Medicine2017;6:482–489
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Affiliation(s)
- Joshua P. Sasine
- Division of Hematology/Oncology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Kelly T. Yeo
- Division of Hematology/Oncology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - John P. Chute
- Division of Hematology/Oncology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, California, USA
- Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, Los Angeles, California, USA
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Aberrant Wnt Signaling in Leukemia. Cancers (Basel) 2016; 8:cancers8090078. [PMID: 27571104 PMCID: PMC5040980 DOI: 10.3390/cancers8090078] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 07/25/2016] [Accepted: 08/22/2016] [Indexed: 12/21/2022] Open
Abstract
The Wnt signaling pathway is essential in the development and homeostasis of blood and immune cells, but its exact role is still controversial and is the subject of intense research. The malignant counterpart of normal hematopoietic cells, leukemic (stem) cells, have hijacked the Wnt pathway for their self-renewal and proliferation. Here we review the multiple ways dysregulated Wnt signaling can contribute to leukemogenesis, both cell autonomously as well as by changes in the microenvironment.
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Staal FJT. Wnt signalling meets epigenetics. Stem Cell Investig 2016; 3:38. [PMID: 27668245 DOI: 10.21037/sci.2016.08.01] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 08/03/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Frank J T Staal
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
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A Second WNT for Old Drugs: Drug Repositioning against WNT-Dependent Cancers. Cancers (Basel) 2016; 8:cancers8070066. [PMID: 27429001 PMCID: PMC4963808 DOI: 10.3390/cancers8070066] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Revised: 06/24/2016] [Accepted: 07/07/2016] [Indexed: 12/21/2022] Open
Abstract
Aberrant WNT signaling underlies cancerous transformation and growth in many tissues, such as the colon, breast, liver, and others. Downregulation of the WNT pathway is a desired mode of development of targeted therapies against these cancers. Despite the urgent need, no WNT signaling-directed drugs currently exist, and only very few candidates have reached early phase clinical trials. Among different strategies to develop WNT-targeting anti-cancer therapies, repositioning of existing drugs previously approved for other diseases is a promising approach. Nonsteroidal anti-inflammatory drugs like aspirin, the anti-leprotic clofazimine, and the anti-trypanosomal suramin are among examples of drugs having recently revealed WNT-targeting activities. In total, 16 human-use drug compounds have been found to be working through the WNT pathway and show promise for their prospective repositioning against various cancers. Advances, hurdles, and prospects of developing these molecules as potential drugs against WNT-dependent cancers, as well as approaches for discovering new ones for repositioning, are the foci of the current review.
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Wnt Signaling in Cancer Stem Cell Biology. Cancers (Basel) 2016; 8:cancers8070060. [PMID: 27355964 PMCID: PMC4963802 DOI: 10.3390/cancers8070060] [Citation(s) in RCA: 166] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 06/11/2016] [Accepted: 06/20/2016] [Indexed: 12/21/2022] Open
Abstract
Aberrant regulation of Wnt signaling is a common theme seen across many tumor types. Decades of research have unraveled the epigenetic and genetic alterations that result in elevated Wnt pathway activity. More recently, it has become apparent that Wnt signaling levels identify stem-like tumor cells that are responsible for fueling tumor growth. As therapeutic targeting of these tumor stem cells is an intense area of investigation, a concise understanding on how Wnt activity relates to cancer stem cell traits is needed. This review attempts at summarizing the intricacies between Wnt signaling and cancer stem cell biology with a special emphasis on colorectal cancer.
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sFRP-mediated Wnt sequestration as a potential therapeutic target for Alzheimer’s disease. Int J Biochem Cell Biol 2016; 75:104-11. [DOI: 10.1016/j.biocel.2016.04.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 04/06/2016] [Accepted: 04/06/2016] [Indexed: 01/28/2023]
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Lhoumeau AC, Arcangeli ML, De Grandis M, Giordano M, Orsoni JC, Lembo F, Bardin F, Marchetto S, Aurrand-Lions M, Borg JP. Ptk7-Deficient Mice Have Decreased Hematopoietic Stem Cell Pools as a Result of Deregulated Proliferation and Migration. THE JOURNAL OF IMMUNOLOGY 2016; 196:4367-77. [DOI: 10.4049/jimmunol.1500680] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 03/11/2016] [Indexed: 01/20/2023]
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Yu S, Li F, Xing S, Zhao T, Peng W, Xue HH. Hematopoietic and Leukemic Stem Cells Have Distinct Dependence on Tcf1 and Lef1 Transcription Factors. J Biol Chem 2016; 291:11148-60. [PMID: 27044748 DOI: 10.1074/jbc.m116.717801] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Indexed: 12/31/2022] Open
Abstract
Hematopoietic and leukemic stem cells (HSCs and LSCs) have self-renewal ability to maintain normal hematopoiesis and leukemia propagation, respectively. Tcf1 and Lef1 transcription factors are expressed in HSCs, and targeting both factors modestly expanded the size of the HSC pool due to diminished HSC quiescence. Functional defects of Tcf1/Lef1-deficient HSCs in multi-lineage blood reconstitution was only evident under competitive conditions or when subjected to repeated regenerative stress. These are mechanistically due to direct positive regulation of Egr and Tcf3 by Tcf1 and Lef1, and significantly, forced expression of Egr1 in Tcf1/Lef1-deficient HSCs restored HSC quiescence. In a preclinical CML model, loss of Tcf1/Lef1 did not show strong impact on leukemia initiation and progression. However, when transplanted into secondary recipients, Tcf1/Lef1-deficient LSCs failed to propagate CML. By induced deletion of Tcf1 and Lef1 in pre-established CML, we further demonstrated an intrinsic requirement for these factors in LSC self-renewal. When combined with imatinib therapy, genetic targeting of Tcf1 and Lef1 potently diminished LSCs and conferred better protection to the CML recipients. LSCs are therefore more sensitive to loss of Tcf1 and Lef1 than HSCs in their self-renewal capacity. The differential requirements in HSCs and LSCs thus identify Tcf1 and Lef1 transcription factors as novel therapeutic targets in treating hematological malignancies, and inhibition of Tcf1/Lef1-regulated transcriptional programs may thus provide a therapeutic window to eliminate LSCs with minimal side effect on normal HSC functions.
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Affiliation(s)
- Shuyang Yu
- From the State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China,
| | - Fengyin Li
- Department of Microbiology, Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242
| | - Shaojun Xing
- Department of Microbiology, Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242
| | - Tianyan Zhao
- From the State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Weiqun Peng
- Department of Physics, The George Washington University, Washington, D. C. 20052, and
| | - Hai-Hui Xue
- Department of Microbiology, Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242
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