151
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Mansell E, Sigurdsson V, Deltcheva E, Brown J, James C, Miharada K, Soneji S, Larsson J, Enver T. Mitochondrial Potentiation Ameliorates Age-Related Heterogeneity in Hematopoietic Stem Cell Function. Cell Stem Cell 2020; 28:241-256.e6. [PMID: 33086034 DOI: 10.1016/j.stem.2020.09.018] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/25/2020] [Accepted: 09/29/2020] [Indexed: 02/02/2023]
Abstract
Aging is associated with reduced fitness and increased myeloid bias of the hematopoietic stem cell (HSC) compartment, causing increased risk of immune compromise, anemia, and malignancy. We show that mitochondrial membrane potential (MMP) can be used to prospectively isolate chronologically old HSCs with transcriptional features and functional attributes characteristic of young HSCs, including a high rate of transcription and balanced lineage-affiliated programs. Strikingly, MMP is a stronger determinant of the quantitative and qualitative transcriptional state of HSCs than chronological age, and transcriptional consequences of manipulation of MMP in HSCs within their native niche suggest a causal relationship. Accordingly, we show that pharmacological enhancement of MMP in old HSCs in vivo increases engraftment potential upon transplantation and reverses myeloid-biased peripheral blood output at steady state. Our results demonstrate that MMP is a source of heterogeneity in old HSCs, and its pharmacological manipulation can alter transcriptional programs with beneficial consequences for function.
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Affiliation(s)
- Els Mansell
- Molecular Medicine and Gene Therapy, Lund University, 22362 Lund, Sweden; Cancer Institute, University College London, London WC1E 6DD, United Kingdom.
| | | | - Elitza Deltcheva
- Cancer Institute, University College London, London WC1E 6DD, United Kingdom
| | - John Brown
- Cancer Institute, University College London, London WC1E 6DD, United Kingdom
| | - Chela James
- Cancer Institute, University College London, London WC1E 6DD, United Kingdom
| | - Kenichi Miharada
- Molecular Medicine and Gene Therapy, Lund University, 22362 Lund, Sweden
| | - Shamit Soneji
- Department of Molecular Hematology, Lund University, 22362 Lund, Sweden
| | - Jonas Larsson
- Molecular Medicine and Gene Therapy, Lund University, 22362 Lund, Sweden
| | - Tariq Enver
- Molecular Medicine and Gene Therapy, Lund University, 22362 Lund, Sweden; Cancer Institute, University College London, London WC1E 6DD, United Kingdom.
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152
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Numata A, Kwok HS, Zhou QL, Li J, Tirado-Magallanes R, Angarica VE, Hannah R, Park J, Wang CQ, Krishnan V, Rajagopalan D, Zhang Y, Zhou S, Welner RS, Osato M, Jha S, Bohlander SK, Göttgens B, Yang H, Benoukraf T, Lough JW, Bararia D, Tenen DG. Lysine acetyltransferase Tip60 is required for hematopoietic stem cell maintenance. Blood 2020; 136:1735-1747. [PMID: 32542325 PMCID: PMC7544546 DOI: 10.1182/blood.2019001279] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 05/12/2020] [Indexed: 12/13/2022] Open
Abstract
Hematopoietic stem cells (HSCs) have the potential to replenish the blood system for the lifetime of the organism. Their 2 defining properties, self-renewal and differentiation, are tightly regulated by the epigenetic machineries. Using conditional gene-knockout models, we demonstrated a critical requirement of lysine acetyltransferase 5 (Kat5, also known as Tip60) for murine HSC maintenance in both the embryonic and adult stages, which depends on its acetyltransferase activity. Genome-wide chromatin and transcriptome profiling in murine hematopoietic stem and progenitor cells revealed that Tip60 colocalizes with c-Myc and that Tip60 deletion suppress the expression of Myc target genes, which are associated with critical biological processes for HSC maintenance, cell cycling, and DNA repair. Notably, acetylated H2A.Z (acH2A.Z) was enriched at the Tip60-bound active chromatin, and Tip60 deletion induced a robust reduction in the acH2A.Z/H2A.Z ratio. These results uncover a critical epigenetic regulatory layer for HSC maintenance, at least in part through Tip60-dependent H2A.Z acetylation to activate Myc target genes.
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Affiliation(s)
- Akihiko Numata
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
- Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Hui Si Kwok
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Qi-Ling Zhou
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Jia Li
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | | | | | - Rebecca Hannah
- Department of Haematology, Wellcome and Medical Research Council Cambridge Stem Cell Institute, and
- Cambridge Institute for Medical Research, Cambridge University, Cambridge, United Kingdom
| | - Jihye Park
- Department of Pathology, Beth Israel Deaconess Medical Center, Boston, MA
| | - Chelsia Qiuxia Wang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Vaidehi Krishnan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Deepa Rajagopalan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Yanzhou Zhang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Siqin Zhou
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Robert S Welner
- Hematology Oncology, Department of Medicine, The University of Alabama at Birmingham Comprehensive Cancer Center, Birmingham, AL
| | - Motomi Osato
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Sudhakar Jha
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Stefan K Bohlander
- Leukaemia and Blood Cancer Research Unit, Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Berthold Göttgens
- Department of Haematology, Wellcome and Medical Research Council Cambridge Stem Cell Institute, and
- Cambridge Institute for Medical Research, Cambridge University, Cambridge, United Kingdom
| | - Henry Yang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Touati Benoukraf
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
- Discipline of Genetics, Faculty of Medicine, Memorial University of Newfoundland, St John's, NL, Canada
| | - John W Lough
- Department of Cell Biology, Neurobiology, and Anatomy, and the Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI; and
| | - Deepak Bararia
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
- Harvard Stem Cell Institute, Harvard Medical School, Boston, MA
| | - Daniel G Tenen
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
- Harvard Stem Cell Institute, Harvard Medical School, Boston, MA
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153
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Chiang JC, Chen WM, Lin KH, Hsia K, Ho YH, Lin YC, Shen TL, Lu JH, Chen SK, Yao CL, Chen BPC, Lee H. Lysophosphatidic acid receptors 2 and 3 regulate erythropoiesis at different hematopoietic stages. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1866:158818. [PMID: 33035680 DOI: 10.1016/j.bbalip.2020.158818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 09/17/2020] [Accepted: 09/23/2020] [Indexed: 12/13/2022]
Abstract
Hematopoiesis, the complex developmental process that forms blood components and replenishes the blood system, involves multiple intracellular and extracellular mechanisms. We previously demonstrated that lysophosphatidic acid (LPA), a lipid growth factor, has opposing regulatory effects on erythrocyte differentiation through activation of LPA receptors 2 and 3; yet the mechanisms underlying this process remain unclear. In this study, LPA2 is observed that highly expressed in common myeloid progenitors (CMP) in murine myeloid cells, whereas the expression of LPA3 displaces in megakaryocyte-erythroid progenitors (MEP) of later stage of myeloid differentiation. Therefore, we hypothesized that the switching expression of LPA2 and LPA3 determine the hematic homeostasis of mammalian megakaryocytic-erythroid lineage. In vitro colony-forming unit assays of murine progenitors reveal that LPA2 agonist GRI reduces the erythroblast differentiation potential of CMP. In contrast, LPA3 agonist OMPT increases the production of erythrocytes from megakaryocyte-erythrocyte progenitor cells (MEP). In addition, treatment with GRI reduces the erythroid, CMP, and MEP populations in mice, indicating that LPA2 predominantly inhibits myeloid differentiation at an early stage. In contrast, activation of LPA3 increases the production of terminally differentiated erythroid cells through activation of erythropoietic transcriptional factor. We also demonstrate that the LPA3 signaling is essential for restoration of phenylhydrazine (PHZ)-induced acute hemolytic anemia in mice and correlates to erythropoiesis impairment of Hutchinson-Gilford progeria Symptom (HGPS) premature aging expressed K562 model. Our results reveal the distinct roles of LPA2 and LPA3 at different stages of hematopoiesis in vivo, providing potentiated therapeutic strategies of anemia treatment.
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Affiliation(s)
- Jui-Chung Chiang
- Department of Life Science, National Taiwan University, Taipei, Taiwan; Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Wei-Min Chen
- Department of Life Science, National Taiwan University, Taipei, Taiwan; Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kuan-Hung Lin
- Department of Life Science, National Taiwan University, Taipei, Taiwan
| | - Kai Hsia
- Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ya-Hsuan Ho
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute and Department of Haematology, University of Cambridge, Cambridge, United Kingdom
| | - Yueh-Chien Lin
- Department of Life Science, National Taiwan University, Taipei, Taiwan
| | - Tang-Long Shen
- Department of Plant Pathology and Microbiology, National Taiwan University, Taipei, Taiwan; Center for Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Jen-Her Lu
- Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Surgery, Medicine & Pediatrics, School of Medicine, National Defense Medical Center, Taipei, Taiwan; Department of Pediatrics, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Shih-Kuo Chen
- Department of Life Science, National Taiwan University, Taipei, Taiwan; Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei, Taiwan
| | - Chao-Ling Yao
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan
| | - Benjamin P C Chen
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
| | - Hsinyu Lee
- Department of Life Science, National Taiwan University, Taipei, Taiwan; Center for Biotechnology, National Taiwan University, Taipei, Taiwan; Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan; Angiogenesis Research Center, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan.
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154
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Yang Z, Jiang H. A chromatin perspective on metabolic and genotoxic impacts on hematopoietic stem and progenitor cells. Cell Mol Life Sci 2020; 77:4031-4047. [PMID: 32318759 PMCID: PMC7541408 DOI: 10.1007/s00018-020-03522-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 03/17/2020] [Accepted: 04/06/2020] [Indexed: 02/07/2023]
Abstract
Fate determination in self-renewal and differentiation of hematopoietic stem and progenitor cells (HSCs and HPCs) is ultimately controlled by gene expression, which is profoundly influenced by the global and local chromatin state. Cellular metabolism directly influences the chromatin state through the dynamic regulation of the enzymatic activities that modify DNA and histones, but also generates genotoxic metabolites that can damage DNA and thus pose threat to the genome integrity. On the other hand, mechanisms modulating the chromatin state impact metabolism by regulating the expression and activities of key metabolic enzymes. Moreover, through regulating either DNA damage response directly or expression of genes involved in this process, chromatin modulators play active and crucial roles in guarding the genome integrity, breaching of which results in defective HSPC function. Therefore, HSPC function is regulated by the dynamic and two-way interactions between metabolism and chromatin. Here, we review recent advances that provide a chromatin perspective on the major impacts the metabolic and genotoxic factors can have on HSPC function and fate determination.
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Affiliation(s)
- Zhenhua Yang
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Hao Jiang
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA.
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155
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Al Zouabi L, Bardin AJ. Stem Cell DNA Damage and Genome Mutation in the Context of Aging and Cancer Initiation. Cold Spring Harb Perspect Biol 2020; 12:cshperspect.a036210. [PMID: 31932318 DOI: 10.1101/cshperspect.a036210] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Adult stem cells fuel tissue homeostasis and regeneration through their unique ability to self-renew and differentiate into specialized cells. Thus, their DNA provides instructions that impact the tissue as a whole. Since DNA is not an inert molecule, but rather dynamic, interacting with a myriad of chemical and physical factors, it encounters damage from both endogenous and exogenous sources. Damage to DNA introduces deviations from its normal intact structure and, if left unrepaired, may result in a genetic mutation. In turn, mutant genomes of stem and progenitor cells are inherited in cells of the lineage, thus eroding the genetic information that maintains homeostasis of the somatic cell population. Errors arising in stem and progenitor cells will have a substantially larger impact on the tissue in which they reside than errors occurring in postmitotic differentiated cells. Therefore, maintaining the integrity of genomic DNA within our stem cells is essential to protect the instructions necessary for rebuilding healthy tissues during homeostatic renewal. In this review, we will first discuss DNA damage arising in stem cells and cell- and tissue-intrinsic mechanisms that protect against harmful effects of this damage. Secondly, we will examine how erroneous DNA repair and persistent DNA damage in stem and progenitor cells impact stem cells and tissues in the context of cancer initiation and aging. Finally, we will discuss the use of invertebrate and vertebrate model systems to address unanswered questions on the role that DNA damage and mutation may play in aging and precancerous conditions.
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Affiliation(s)
- Lara Al Zouabi
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, Stem Cells and Tissue Homeostasis Group, 75248 Paris, France.,Sorbonne Universités, UPMC University, Paris 6, France
| | - Allison J Bardin
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, Stem Cells and Tissue Homeostasis Group, 75248 Paris, France.,Sorbonne Universités, UPMC University, Paris 6, France
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156
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He Y, Zhou D. Can molecular targeting the TNFα-ERK-ETS1-IL27Rα pathway keep us young and healthy by protecting HSCs from aging? BLOOD SCIENCE 2020; 2:148-149. [PMID: 35400025 PMCID: PMC8975103 DOI: 10.1097/bs9.0000000000000060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 08/31/2020] [Indexed: 11/25/2022] Open
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157
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Wang Y, Cui H, Tao S, Zeng T, Wu J, Tao Z, Zhang L, Zou B, Chen Z, Garside GB, Tang D. High Canonical Wnt/β-Catenin Activity Sensitizes Murine Hematopoietic Stem and Progenitor Cells to DNA Damage. Stem Cell Rev Rep 2020; 16:212-221. [PMID: 31797147 PMCID: PMC6987068 DOI: 10.1007/s12015-019-09930-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Aging is characterized by the accumulation of DNA damage and a decrease in stem cell functionality, yet molecular mechanisms that limit the maintenance of stem cells in response to DNA damage remain to be delineated. Here we show in mouse models that DNA damage leads to a transient over-activation of Wnt signaling in hematopoietic stem cells (HSCs), and that high activity of canonical Wnt/β-catenin signaling sensitizes HSCs to DNA damage induced by X-irradiation which results in preferential maintenance of HSCs with low levels of Wnt signaling. The study shows that genetic or chemical activation of canonical Wnt signaling enhances radiosensitivity of HSCs while inhibition of Wnt signaling decreases it. Together, these results indicate that levels of Wnt signaling activity mediate heterogeneity in the sensitivity of HSCs to DNA damage induced depletion. These findings could be relevant for molecular alterations and selection of stem cells in the context of DNA damage accumulation during aging and cancer formation.
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Affiliation(s)
- Yiting Wang
- Department of Hematology, The Second Affiliated Hospital of Nanchang University, Min-De Road. 1, Nanchang City, 330006, Jiangxi Province, China
| | - Hui Cui
- Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Si Tao
- Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Ting Zeng
- Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Jianying Wu
- Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Zhendong Tao
- Department of Medical Laboratory Medicine, Jiangxi Province Hospital of Integrated Chinese & Western Medicine, Nanchang, Jiangxi, China
| | - Liu Zhang
- Intensive Care Unit, Peking University People's Hospital, Beijing, China
| | - Bing Zou
- Jiangxi Key Laboratory of Clinical and Translational Cancer Research, Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Zhiyang Chen
- Key Laboratory of Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, China
| | - George B Garside
- Leibniz Institute on Aging - Fritz Lipmann Institute (FLI), Jena, Germany
| | - Duozhuang Tang
- Department of Hematology, The Second Affiliated Hospital of Nanchang University, Min-De Road. 1, Nanchang City, 330006, Jiangxi Province, China.
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158
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Shin JJ, Schröder MS, Caiado F, Wyman SK, Bray NL, Bordi M, Dewitt MA, Vu JT, Kim WT, Hockemeyer D, Manz MG, Corn JE. Controlled Cycling and Quiescence Enables Efficient HDR in Engraftment-Enriched Adult Hematopoietic Stem and Progenitor Cells. Cell Rep 2020; 32:108093. [PMID: 32877675 PMCID: PMC7487781 DOI: 10.1016/j.celrep.2020.108093] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 07/07/2020] [Accepted: 08/07/2020] [Indexed: 12/12/2022] Open
Abstract
Genome editing often takes the form of either error-prone sequence disruption by non-homologous end joining (NHEJ) or sequence replacement by homology-directed repair (HDR). Although NHEJ is generally effective, HDR is often difficult in primary cells. Here, we use a combination of immunophenotyping, next-generation sequencing, and single-cell RNA sequencing to investigate and reprogram genome editing outcomes in subpopulations of adult hematopoietic stem and progenitor cells. We find that although quiescent stem-enriched cells mostly use NHEJ, non-quiescent cells with the same immunophenotype use both NHEJ and HDR. Inducing quiescence before editing results in a loss of HDR in all cell subtypes. We develop a strategy of controlled cycling and quiescence that yields a 6-fold increase in the HDR/NHEJ ratio in quiescent stem cells ex vivo and in vivo. Our results highlight the tension between editing and cellular physiology and suggest strategies to manipulate quiescent cells for research and therapeutic genome editing.
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Affiliation(s)
- Jiyung J Shin
- Innovative Genomics Institute, University of California, Berkeley, CA 94720, USA; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA; Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | | | - Francisco Caiado
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, 8091 Zurich, Switzerland
| | - Stacia K Wyman
- Innovative Genomics Institute, University of California, Berkeley, CA 94720, USA; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Nicolas L Bray
- Innovative Genomics Institute, University of California, Berkeley, CA 94720, USA; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Matteo Bordi
- Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | - Mark A Dewitt
- Innovative Genomics Institute, University of California, Berkeley, CA 94720, USA; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Jonathan T Vu
- Innovative Genomics Institute, University of California, Berkeley, CA 94720, USA; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Won-Tae Kim
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Dirk Hockemeyer
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Markus G Manz
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, 8091 Zurich, Switzerland
| | - Jacob E Corn
- Innovative Genomics Institute, University of California, Berkeley, CA 94720, USA; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA; Department of Biology, ETH Zürich, 8093 Zürich, Switzerland.
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159
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Sharma S, Bhonde R. Genetic and epigenetic stability of stem cells: Epigenetic modifiers modulate the fate of mesenchymal stem cells. Genomics 2020; 112:3615-3623. [DOI: 10.1016/j.ygeno.2020.04.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 04/08/2020] [Accepted: 04/24/2020] [Indexed: 12/11/2022]
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160
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Su J, Zhu D, Huo Z, Gingold JA, Ang YS, Tu J, Zhou R, Lin Y, Luo H, Yang H, Zhao R, Schaniel C, Moore KA, Lemischka IR, Lee DF. Genomic Integrity Safeguards Self-Renewal in Embryonic Stem Cells. Cell Rep 2020; 28:1400-1409.e4. [PMID: 31390555 PMCID: PMC6708277 DOI: 10.1016/j.celrep.2019.07.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 04/25/2019] [Accepted: 07/02/2019] [Indexed: 01/06/2023] Open
Abstract
A multitude of signals are coordinated to maintain self-renewal in embryonic stem cells (ESCs). To unravel the essential internal and external signals required for sustaining the ESC state, we expand upon a set of ESC pluripotency-associated phosphoregulators (PRs) identified previously by short hairpin RNA (shRNA) screening. In addition to the previously described Aurka, we identify 4 additional PRs (Bub1b, Chek1, Ppm1g, and Ppp2r1b) whose depletion compromises self-renewal and leads to consequent differentiation. Global gene expression profiling and computational analyses reveal that knockdown of the 5 PRs leads to DNA damage/genome instability, activating p53 and culminating in ESC differentiation. Similarly, depletion of genome integrity-associated genes involved in DNA replication and checkpoint, mRNA processing, and Charcot-Marie-Tooth disease lead to compromise of ESC self-renewal via an increase in p53 activity. Our studies demonstrate an essential link between genomic integrity and developmental cell fate regulation in ESCs.
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Affiliation(s)
- Jie Su
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Cancer Biology and Genetics Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Dandan Zhu
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Zijun Huo
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Julian A Gingold
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Women's Health Institute, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
| | - Yen-Sin Ang
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Jian Tu
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; Department of Musculoskeletal Oncology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Ruoji Zhou
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA
| | - Yu Lin
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Haidan Luo
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Huiling Yang
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Ruiying Zhao
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Christoph Schaniel
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Kateri A Moore
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ihor R Lemischka
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Dung-Fang Lee
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA; Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA.
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161
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Hendrickx DM, Glaab E. Comparative transcriptome analysis of Parkinson's disease and Hutchinson-Gilford progeria syndrome reveals shared susceptible cellular network processes. BMC Med Genomics 2020; 13:114. [PMID: 32811487 PMCID: PMC7437934 DOI: 10.1186/s12920-020-00761-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 08/04/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Parkinson's Disease (PD) and Hutchinson-Gilford Progeria Syndrome (HGPS) are two heterogeneous disorders, which both display molecular and clinical alterations associated with the aging process. However, similarities and differences between molecular changes in these two disorders have not yet been investigated systematically at the level of individual biomolecules and shared molecular network alterations. METHODS Here, we perform a comparative meta-analysis and network analysis of human transcriptomics data from case-control studies for both diseases to investigate common susceptibility genes and sub-networks in PD and HGPS. Alzheimer's disease (AD) and primary melanoma (PM) were included as controls to confirm that the identified overlapping susceptibility genes for PD and HGPS are non-generic. RESULTS We find statistically significant, overlapping genes and cellular processes with significant alterations in both diseases. Interestingly, the majority of these shared affected genes display changes with opposite directionality, indicating that shared susceptible cellular processes undergo different mechanistic changes in PD and HGPS. A complementary regulatory network analysis also reveals that the altered genes in PD and HGPS both contain targets controlled by the upstream regulator CDC5L. CONCLUSIONS Overall, our analyses reveal a significant overlap of affected cellular processes and molecular sub-networks in PD and HGPS, including changes in aging-related processes that may reflect key susceptibility factors associated with age-related risk for PD.
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Affiliation(s)
- Diana M. Hendrickx
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 6, avenue du Swing, Belvaux, L- 4367 Luxembourg
| | - Enrico Glaab
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 6, avenue du Swing, Belvaux, L- 4367 Luxembourg
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162
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Abstract
Purpose of Review Inflammatory signals have emerged as critical regulators of hematopoietic stem cell (HSC) function. Specifically, HSCs are highly responsive to acute changes in systemic inflammation and this influences not only their division rate but also their lineage fate. Identifying how inflammation regulates HSCs and shapes the blood system is crucial to understanding the mechanisms underpinning these processes, as well as potential links between them. Recent Findings A widening array of physiologic and pathologic processes involving heightened inflammation are now recognized to critically affect HSC biology and blood lineage production. Conditions documented to affect HSC function include not only acute and chronic infections but also autoinflammatory conditions, irradiation injury, and physiologic states such as aging and obesity. Summary Recognizing the contexts during which inflammation affects primitive hematopoiesis is essential to improving our understanding of HSC biology and informing new therapeutic interventions against maladaptive hematopoiesis that occurs during inflammatory diseases, infections, and cancer-related disorders.
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163
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Tobin SW, Alibhai FJ, Weisel RD, Li RK. Considering Cause and Effect of Immune Cell Aging on Cardiac Repair after Myocardial Infarction. Cells 2020; 9:E1894. [PMID: 32823583 PMCID: PMC7465938 DOI: 10.3390/cells9081894] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/11/2020] [Accepted: 08/12/2020] [Indexed: 12/16/2022] Open
Abstract
The importance of the immune system for cardiac repair following myocardial infarction is undeniable; however, the complex nature of immune cell behavior has limited the ability to develop effective therapeutics. This limitation highlights the need for a better understanding of the function of each immune cell population during the inflammatory and resolution phases of cardiac repair. The development of reliable therapies is further complicated by aging, which is associated with a decline in cell and organ function and the onset of cardiovascular and immunological diseases. Aging of the immune system has important consequences on heart function as both chronic cardiac inflammation and an impaired immune response to cardiac injury are observed in older individuals. Several studies have suggested that rejuvenating the aged immune system may be a valid therapeutic candidate to prevent or treat heart disease. Here, we review the basic patterns of immune cell behavior after myocardial infarction and discuss the autonomous and nonautonomous manners of hematopoietic stem cell and immune cell aging. Lastly, we identify prospective therapies that may rejuvenate the aged immune system to improve heart function such as anti-inflammatory and senolytic therapies, bone marrow transplant, niche remodeling and regulation of immune cell differentiation.
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Affiliation(s)
- Stephanie W. Tobin
- Division of Cardiovascular Surgery, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5T 1P5, Canada; (S.W.T.); (F.J.A.); (R.D.W.)
| | - Faisal J. Alibhai
- Division of Cardiovascular Surgery, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5T 1P5, Canada; (S.W.T.); (F.J.A.); (R.D.W.)
| | - Richard D. Weisel
- Division of Cardiovascular Surgery, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5T 1P5, Canada; (S.W.T.); (F.J.A.); (R.D.W.)
- Division of Cardiac Surgery, Peter Munk Cardiac Centre, Toronto General Hospital and University of Toronto, Toronto, ON M5G 2N2, Canada
| | - Ren-Ke Li
- Division of Cardiovascular Surgery, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5T 1P5, Canada; (S.W.T.); (F.J.A.); (R.D.W.)
- Division of Cardiac Surgery, Peter Munk Cardiac Centre, Toronto General Hospital and University of Toronto, Toronto, ON M5G 2N2, Canada
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164
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Zhang B, Gladyshev VN. How can aging be reversed? Exploring rejuvenation from a damage-based perspective. ADVANCED GENETICS (HOBOKEN, N.J.) 2020; 1:e10025. [PMID: 36619246 PMCID: PMC9744548 DOI: 10.1002/ggn2.10025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 03/13/2020] [Accepted: 03/17/2020] [Indexed: 01/11/2023]
Abstract
Advanced age is associated with accumulation of damage and other deleterious changes and a consequential systemic decline of function. This decline affects all organs and systems in an organism, leading to their inadaptability to the environment, and therefore is thought to be inevitable for humans and most animal species. However, in vitro and in vivo application of reprogramming strategies, which convert somatic cells to induced pluripotent stem cells, has demonstrated that the aged cells can be rejuvenated. Moreover, the data and theoretical considerations suggest that reversing the biological age of somatic cells (from old to young) and de-differentiating somatic cells into stem cells represent two distinct processes that take place during rejuvenation, and thus they may be differently targeted. We advance a stemness-function model to explain these data and discuss a possibility of rejuvenation from the perspective of damage accumulation. In turn, this suggests approaches to achieve rejuvenation of cells in vitro and in vivo.
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Affiliation(s)
- Bohan Zhang
- Division of Genetics, Department of Medicine, Brigham and Women's HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Vadim N. Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women's HospitalHarvard Medical SchoolBostonMassachusettsUSA
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165
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Biswas A, Roy IM, Babu PC, Manesia J, Schouteden S, Vijayakurup V, Anto RJ, Huelsken J, Lacy-Hulbert A, Verfaillie CM, Khurana S. The Periostin/Integrin-αv Axis Regulates the Size of Hematopoietic Stem Cell Pool in the Fetal Liver. Stem Cell Reports 2020; 15:340-357. [PMID: 32735820 PMCID: PMC7419718 DOI: 10.1016/j.stemcr.2020.06.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 06/25/2020] [Accepted: 06/25/2020] [Indexed: 12/15/2022] Open
Abstract
We earlier showed that outside-in integrin signaling through POSTN-ITGAV interaction plays an important role in regulating adult hematopoietic stem cell (HSC) quiescence. Here, we show that Itgav deletion results in increased frequency of phenotypic HSCs in fetal liver (FL) due to faster proliferation. Systemic deletion of Postn led to increased proliferation of FL HSCs, albeit without any loss of stemness, unlike Vav-Itgav−/− HSCs. Based on RNA sequencing analysis of FL and bone marrow HSCs, we predicted the involvement of DNA damage response pathways in this dichotomy. Indeed, proliferative HSCs from Postn-deficient FL tissues showed increased levels of DNA repair, resulting in lesser double-strand breaks. Thus POSTN, with its expression majorly localized in the vascular endothelium of FL tissue, acts as a regulator of stem cell pool size during development. Overall, we demonstrate that the duality of response to proliferation in HSCs is developmental stage dependent and can be correlated with DNA damage responses. Interruption of POSTN-ITGAV interaction leads to HSC expansion in fetal liver HSC from fetal liver in comparison with adult BM excel in their DNA damage responses POSTN is a potential component of the vascular niche for HSCs in the fetal liver
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Affiliation(s)
- Atreyi Biswas
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 695551, India
| | - Irene M Roy
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 695551, India
| | - Prathibha C Babu
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 695551, India
| | - Javed Manesia
- Inter-Departmental Stem Cell Institute, KU Leuven, 3000 Leuven, Belgium
| | - Sarah Schouteden
- Inter-Departmental Stem Cell Institute, KU Leuven, 3000 Leuven, Belgium
| | - Vinod Vijayakurup
- Rajiv Gandhi Centre for Biotechnology, Poojappura, Thiruvananthapuram, Kerala, India
| | - Ruby John Anto
- Rajiv Gandhi Centre for Biotechnology, Poojappura, Thiruvananthapuram, Kerala, India
| | - Joerg Huelsken
- École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Adam Lacy-Hulbert
- Benaroya Research Institute at Virginia Mason, Seattle, WA 98101, USA
| | | | - Satish Khurana
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 695551, India.
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166
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Fang T, Zhang Y, Chang VY, Roos M, Termini CM, Signaevskaia L, Quarmyne M, Lin PK, Pang A, Kan J, Yan X, Javier A, Pohl K, Zhao L, Scott P, Himburg HA, Chute JP. Epidermal growth factor receptor-dependent DNA repair promotes murine and human hematopoietic regeneration. Blood 2020; 136:441-454. [PMID: 32369572 PMCID: PMC7378456 DOI: 10.1182/blood.2020005895] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 04/13/2020] [Indexed: 02/07/2023] Open
Abstract
Chemotherapy and irradiation cause DNA damage to hematopoietic stem cells (HSCs), leading to HSC depletion and dysfunction and the risk of malignant transformation over time. Extrinsic regulation of HSC DNA repair is not well understood, and therapies to augment HSC DNA repair following myelosuppression remain undeveloped. We report that epidermal growth factor receptor (EGFR) regulates DNA repair in HSCs following irradiation via activation of the DNA-dependent protein kinase-catalytic subunit (DNA-PKcs) and nonhomologous end joining (NHEJ). We show that hematopoietic regeneration in vivo following total body irradiation is dependent upon EGFR-mediated repair of DNA damage via activation of DNA-PKcs. Conditional deletion of EGFR in hematopoietic stem and progenitor cells (HSPCs) significantly decreased DNA-PKcs activity following irradiation, causing increased HSC DNA damage and depressed HSC recovery over time. Systemic administration of epidermal growth factor (EGF) promoted HSC DNA repair and rapid hematologic recovery in chemotherapy-treated mice and had no effect on acute myeloid leukemia growth in vivo. Further, EGF treatment drove the recovery of human HSCs capable of multilineage in vivo repopulation following radiation injury. Whole-genome sequencing analysis revealed no increase in coding region mutations in HSPCs from EGF-treated mice, but increased intergenic copy number variant mutations were detected. These studies demonstrate that EGF promotes HSC DNA repair and hematopoietic regeneration in vivo via augmentation of NHEJ. EGF has therapeutic potential to promote human hematopoietic regeneration, and further studies are warranted to assess long-term hematopoietic effects.
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Affiliation(s)
| | | | - Vivian Y Chang
- Pediatric Hematology/Oncology
- Jonsson Comprehensive Cancer Center
| | - Martina Roos
- Jonsson Comprehensive Cancer Center
- Division of Hematology/Oncology, Department of Medicine
- Broad Stem Cell Research Center, and
| | | | | | | | - Paulina K Lin
- Division of Hematology/Oncology, Department of Medicine
| | - Amara Pang
- Division of Hematology/Oncology, Department of Medicine
| | - Jenny Kan
- Division of Hematology/Oncology, Department of Medicine
| | - Xiao Yan
- Department of Molecular and Medical Pharmacology
| | - Anna Javier
- Division of Hematology/Oncology, Department of Medicine
| | | | - Liman Zhao
- Division of Hematology/Oncology, Department of Medicine
| | - Peter Scott
- Department of Molecular, Cell, and Developmental Biology, University of California, Los Angeles, Los Angeles, CA
| | | | - John P Chute
- Jonsson Comprehensive Cancer Center
- Division of Hematology/Oncology, Department of Medicine
- Broad Stem Cell Research Center, and
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167
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SOX2 and p53 Expression Control Converges in PI3K/AKT Signaling with Versatile Implications for Stemness and Cancer. Int J Mol Sci 2020; 21:ijms21144902. [PMID: 32664542 PMCID: PMC7402325 DOI: 10.3390/ijms21144902] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/03/2020] [Accepted: 07/08/2020] [Indexed: 12/12/2022] Open
Abstract
Stemness and reprogramming involve transcriptional master regulators that suppress cell differentiation while promoting self-renewal. A distinguished example thereof is SOX2, a high mobility group (HMG)-box transcription factor (TF), whose subcellular localization and turnover regulation in embryonic, induced-pluripotent, and cancer stem cells (ESCs, iPSCs, and CSCs, respectively) is mediated by the PI3K/AKT/SOX2 axis, a stem cell-specific branch of the PI3K/AKT signaling pathway. Further effector functions associated with PI3K/AKT induction include cell cycle progression, cellular (mass) growth, and the suppression of apoptosis. Apoptosis, however, is a central element of DNA damage response (DDR), where it provides a default mechanism for cell clearance when DNA integrity cannot be maintained. A key player in DDR is tumor suppressor p53, which accumulates upon DNA-damage and is counter-balanced by PI3K/AKT enforced turnover. Accordingly, stemness sustaining SOX2 expression and p53-dependent DDR mechanisms show molecular–functional overlap in PI3K/AKT signaling. This constellation proves challenging for stem cells whose genomic integrity is a functional imperative for normative ontogenesis. Unresolved mutations in stem and early progenitor cells may in fact provoke transformation and cancer development. Such mechanisms are also particularly relevant for iPSCs, where genetic changes imposed through somatic cell reprogramming may promote DNA damage. The current review aims to summarize the latest advances in the understanding of PI3K/AKT/SOX2-driven stemness and its intertwined relations to p53-signaling in DDR under conditions of pluripotency, reprogramming, and transformation.
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168
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Jelinkova S, Vilotic A, Pribyl J, Aimond F, Salykin A, Acimovic I, Pesl M, Caluori G, Klimovic S, Urban T, Dobrovolna H, Soska V, Skladal P, Lacampagne A, Dvorak P, Meli AC, Rotrekl V. DMD Pluripotent Stem Cell Derived Cardiac Cells Recapitulate in vitro Human Cardiac Pathophysiology. Front Bioeng Biotechnol 2020; 8:535. [PMID: 32656189 PMCID: PMC7325914 DOI: 10.3389/fbioe.2020.00535] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 05/04/2020] [Indexed: 12/17/2022] Open
Abstract
Duchenne muscular dystrophy (DMD) is a severe genetic disorder characterized by the lack of functional dystrophin. DMD is associated with progressive dilated cardiomyopathy, eventually leading to heart failure as the main cause of death in DMD patients. Although several molecular mechanisms leading to the DMD cardiomyocyte (DMD-CM) death were described, mostly in mouse model, no suitable human CM model was until recently available together with proper clarification of the DMD-CM phenotype and delay in cardiac symptoms manifestation. We obtained several independent dystrophin-deficient human pluripotent stem cell (hPSC) lines from DMD patients and CRISPR/Cas9-generated DMD gene mutation. We differentiated DMD-hPSC into cardiac cells (CC) creating a human DMD-CC disease model. We observed that mutation-carrying cells were less prone to differentiate into CCs. DMD-CCs demonstrated an enhanced cell death rate in time. Furthermore, ion channel expression was altered in terms of potassium (Kir2.1 overexpression) and calcium handling (dihydropyridine receptor overexpression). DMD-CCs exhibited increased time of calcium transient rising compared to aged-matched control, suggesting mishandling of calcium release. We observed mechanical impairment (hypocontractility), bradycardia, increased heart rate variability, and blunted β-adrenergic response connected with remodeling of β-adrenergic receptors expression in DMD-CCs. Overall, these results indicated that our DMD-CC models are functionally affected by dystrophin-deficiency associated and recapitulate functional defects and cardiac wasting observed in the disease. It offers an accurate tool to study human cardiomyopathy progression and test therapies in vitro.
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Affiliation(s)
- Sarka Jelinkova
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia.,International Clinical Research Center ICRC, St. Anne's University Hospital Brno, Brno, Czechia
| | - Aleksandra Vilotic
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Jan Pribyl
- CEITEC, Masaryk University, Brno, Czechia
| | - Franck Aimond
- PhyMedExp, University of Montpellier, INSERM, CNRS, Montpellier, France
| | - Anton Salykin
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Ivana Acimovic
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Martin Pesl
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia.,International Clinical Research Center ICRC, St. Anne's University Hospital Brno, Brno, Czechia.,First Department of Internal Medicine-Cardioangiology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Guido Caluori
- International Clinical Research Center ICRC, St. Anne's University Hospital Brno, Brno, Czechia.,First Department of Internal Medicine-Cardioangiology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Simon Klimovic
- Department of Biochemistry, Faculty of Science, Masaryk University, Brno, Czechia
| | - Tomas Urban
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Hana Dobrovolna
- Department of Clinical Biochemistry, St. Anne's University Hospital of Brno, Brno, Czechia
| | - Vladimir Soska
- Department of Clinical Biochemistry, St. Anne's University Hospital of Brno, Brno, Czechia.,Second Clinic of Internal Medicine, Masaryk University of Brno, Brno, Czechia
| | - Petr Skladal
- First Department of Internal Medicine-Cardioangiology, Faculty of Medicine, Masaryk University, Brno, Czechia.,Department of Biochemistry, Faculty of Science, Masaryk University, Brno, Czechia
| | - Alain Lacampagne
- PhyMedExp, University of Montpellier, INSERM, CNRS, Montpellier, France
| | - Petr Dvorak
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia.,International Clinical Research Center ICRC, St. Anne's University Hospital Brno, Brno, Czechia
| | - Albano C Meli
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia.,PhyMedExp, University of Montpellier, INSERM, CNRS, Montpellier, France
| | - Vladimir Rotrekl
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia.,International Clinical Research Center ICRC, St. Anne's University Hospital Brno, Brno, Czechia
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169
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Abstract
The bone marrow (BM) is the primary site of postnatal hematopoiesis and hematopoietic stem cell (HSC) maintenance. The BM HSC niche is an essential microenvironment which evolves and responds to the physiological demands of HSCs. It is responsible for orchestrating the fate of HSCs and tightly regulates the processes that occur in the BM, including self-renewal, quiescence, engraftment, and lineage differentiation. However, the BM HSC niche is disturbed following hematological stress such as hematological malignancies, ionizing radiation, and chemotherapy, causing the cellular composition to alter and remodeling to occur. Consequently, hematopoietic recovery has been the focus of many recent studies and elucidating these mechanisms has great biological and clinical relevance, namely to exploit these mechanisms as a therapeutic treatment for hematopoietic malignancies and improve regeneration following BM injury. The sympathetic nervous system innervates the BM niche and regulates the migration of HSCs in and out of the BM under steady state. However, recent studies have investigated how sympathetic innervation and signaling are dysregulated under stress and the subsequent effect they have on hematopoiesis. Here, we provide an overview of distinct BM niches and how they contribute to HSC regulatory processes with a particular focus on neuronal regulation of HSCs under steady state and stress hematopoiesis.
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Affiliation(s)
- Claire Fielding
- Haematology, University of Cambridge, Cambridge, UK
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge, UK
- National Health Service Blood and Transplant, Cambridge, UK
| | - Simón Méndez-Ferrer
- Haematology, University of Cambridge, Cambridge, UK
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge, UK
- National Health Service Blood and Transplant, Cambridge, UK
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170
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Kreutmair S, Erlacher M, Andrieux G, Istvanffy R, Mueller-Rudorf A, Zwick M, Rückert T, Pantic M, Poggio T, Shoumariyeh K, Mueller TA, Kawaguchi H, Follo M, Klingeberg C, Wlodarski M, Baumann I, Pfeifer D, Kulinski M, Rudelius M, Lemeer S, Kuster B, Dierks C, Peschel C, Cabezas-Wallscheid N, Duque-Afonso J, Zeiser R, Cleary ML, Schindler D, Schmitt-Graeff A, Boerries M, Niemeyer CM, Oostendorp RA, Duyster J, Illert AL. Loss of the Fanconi anemia-associated protein NIPA causes bone marrow failure. J Clin Invest 2020; 130:2827-2844. [PMID: 32338640 PMCID: PMC7260023 DOI: 10.1172/jci126215] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 02/13/2020] [Indexed: 12/12/2022] Open
Abstract
Inherited bone marrow failure syndromes (IBMFSs) are a heterogeneous group of disorders characterized by defective hematopoiesis, impaired stem cell function, and cancer susceptibility. Diagnosis of IBMFS presents a major challenge due to the large variety of associated phenotypes, and novel, clinically relevant biomarkers are urgently needed. Our study identified nuclear interaction partner of ALK (NIPA) as an IBMFS gene, as it is significantly downregulated in a distinct subset of myelodysplastic syndrome-type (MDS-type) refractory cytopenia in children. Mechanistically, we showed that NIPA is major player in the Fanconi anemia (FA) pathway, which binds FANCD2 and regulates its nuclear abundance, making it essential for a functional DNA repair/FA/BRCA pathway. In a knockout mouse model, Nipa deficiency led to major cell-intrinsic defects, including a premature aging phenotype, with accumulation of DNA damage in hematopoietic stem cells (HSCs). Induction of replication stress triggered a reduction in and functional decline of murine HSCs, resulting in complete bone marrow failure and death of the knockout mice with 100% penetrance. Taken together, the results of our study add NIPA to the short list of FA-associated proteins, thereby highlighting its potential as a diagnostic marker and/or possible target in diseases characterized by hematopoietic failure.
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Affiliation(s)
- Stefanie Kreutmair
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Miriam Erlacher
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, and
| | - Geoffroy Andrieux
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Institute of Medical Bioinformatics and Systems Medicine, University Medical Center — University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Rouzanna Istvanffy
- Department of Internal Medicine III, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Alina Mueller-Rudorf
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Melissa Zwick
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Tamina Rückert
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Milena Pantic
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Teresa Poggio
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Khalid Shoumariyeh
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Tony A. Mueller
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Hiroyuki Kawaguchi
- Department of Pediatrics, National Defense Medical College, Saitama, Japan
| | - Marie Follo
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Cathrin Klingeberg
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Marcin Wlodarski
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, and
| | - Irith Baumann
- Institute of Pathology, Health Center Böblingen, Böblingen, Germany
| | - Dietmar Pfeifer
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Michal Kulinski
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Martina Rudelius
- Institute of Pathology, Ludwig Maximilian University Munich, Munich, Germany
| | - Simone Lemeer
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - Bernhard Kuster
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - Christine Dierks
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Christian Peschel
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Internal Medicine III, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | | | - Jesus Duque-Afonso
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Robert Zeiser
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michael L. Cleary
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
| | - Detlev Schindler
- Department of Human Genetics, Institute of Human Genetics, Biozentrum, University of Würzburg, Würzburg, Germany
| | | | - Melanie Boerries
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Institute of Medical Bioinformatics and Systems Medicine, University Medical Center — University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Charlotte M. Niemeyer
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, and
| | - Robert A.J. Oostendorp
- Department of Internal Medicine III, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Justus Duyster
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Anna Lena Illert
- Department of Internal Medicine I, Medical Center — University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
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171
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Bueno M, Calyeca J, Rojas M, Mora AL. Mitochondria dysfunction and metabolic reprogramming as drivers of idiopathic pulmonary fibrosis. Redox Biol 2020; 33:101509. [PMID: 32234292 PMCID: PMC7251240 DOI: 10.1016/j.redox.2020.101509] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/13/2020] [Accepted: 03/16/2020] [Indexed: 02/07/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a devastating lung disease of unknown etiology. It is characterized by deposition of extracellular matrix proteins, like collagen and fibronectin in the lung interstitium leading to respiratory failure. Our understanding of the pathobiology underlying IPF is still incomplete; however, it is accepted that aging is a major risk factor in the disease while growing evidence suggests that the mitochondria plays an important role in the initiation and progression of pulmonary fibrosis. Mitochondria dysfunction and metabolic reprogramming had been identified in different IPF lung cells (alveolar epithelial cells, fibroblasts, and macrophages) promoting low resilience and increasing susceptibility to activation of profibrotic responses. Here we summarize changes in mitochondrial numbers, biogenesis, turnover and associated metabolic adaptations that promote disrepair and fibrosis in the lung. Finally, we highlight new possible therapeutic approaches focused on ameliorate mitochondrial dysfunction.
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Affiliation(s)
- Marta Bueno
- Aging Institute, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Division of Pulmonary Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Vascular Medicine Institute, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jazmin Calyeca
- Aging Institute, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Mauricio Rojas
- Division of Pulmonary Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Dorothy and Richard Simmons Center for Interstitial Lung Diseases, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Ana L Mora
- Aging Institute, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Division of Pulmonary Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Vascular Medicine Institute, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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172
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Lin Q, Wu L, Ma Z, Chowdhury FA, Mazumder HH, Du W. Persistent DNA damage-induced NLRP12 improves hematopoietic stem cell function. JCI Insight 2020; 5:133365. [PMID: 32434992 DOI: 10.1172/jci.insight.133365] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 04/22/2020] [Indexed: 02/06/2023] Open
Abstract
NOD-like receptor 12 (NLRP12) is a member of the nucleotide-binding domain and leucine-rich repeat containing receptor inflammasome family that plays a central role in innate immunity. We previously showed that DNA damage upregulated NLRP12 in hematopoietic stem cells (HSCs) of mice deficient in the DNA repair gene Fanca. However, the role of NLRP12 in HSC maintenance is not known. Here, we show that persistent DNA damage-induced NLRP12 improves HSC function in both mouse and human models of DNA repair deficiency and aging. Specifically, treatment of Fanca-/- mice with the DNA cross-linker mitomycin C or ionizing radiation induces NLRP12 upregulation in phenotypic HSCs. NLRP12 expression is specifically induced by persistent DNA damage. Functionally, knockdown of NLRP12 exacerbates the repopulation defect of Fanca-/- HSCs. Persistent DNA damage-induced NLRP12 was also observed in the HSCs from aged mice, and depletion of NLRP12 in these aged HSCs compromised their self-renewal and hematopoietic recovery. Consistently, overexpression of NLRP12 substantially improved the long-term repopulating function of Fanca-/- and aged HSCs. Finally, persistent DNA damage-induced NLRP12 maintains the function of HSCs from patients with FA or aged donors. These results reveal a potentially novel role of NLRP12 in HSC maintenance and suggest that NLRP12 targeting has therapeutic potential in DNA repair disorders and aging.
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Affiliation(s)
- Qiqi Lin
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA.,Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China
| | - Limei Wu
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA
| | - Zhilin Ma
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA.,Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China
| | - Fabliha Ahmed Chowdhury
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA
| | - Habibul Hasan Mazumder
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA
| | - Wei Du
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA.,Alexander B. Osborn Hematopoietic Malignancy and Transplantation Program, West Virginia University Cancer Institute, Morgantown, West Virginia, USA
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173
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Tousian H, Razavi BM, Hosseinzadeh H. Looking for immortality: Review of phytotherapy for stem cell senescence. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2020; 23:154-166. [PMID: 32405357 PMCID: PMC7211350 DOI: 10.22038/ijbms.2019.40223.9522] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this paper, we discussed natural agents with protective effects against stem cell senescence. Different complications have been observed due to stem cell senescence and the most important of them is "Aging". Senescent cells have not normal function and their secretary inflammatory factors induce chronic inflammation in body which causes different pathologies. Stem cell senescence also has been investigated in different diseases or as drug adverse effects. We searched databases such as Embase, Pubmed and Web of Science with keywords "stem cell", "progenitor cell", "satellite", "senescence" and excluded keywords "cancer", "tumor", "malignancy" and "carcinoma" without time limitation until May 2019. Among them we chose 52 articles that have investigated protective effects of natural agents (extracts or molecules) against cellular senescence in different kind of adult stem cells. Most of these studies were in endothelial progenitor cells, hematopoietic stem cells, mesenchymal stem cells, adipose-derived stem cells and few were about other kinds of stem cells. Most studied agents were resveratrol and ginseng which are also commercially available as supplement. Most protective molecular targets were telomerase and anti-oxidant enzymes to preserve genome integrity and reduce senescence-inducing signals. Due to the safe and long history of herbal usage in clinic, phytotherapy can be used for preventing stem cell senescence and their related complication. Resveratrol and ginseng can be the first choice for this aim due to their protective mechanisms in various kinds of stem cells and their long term clinical usage.
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Affiliation(s)
- Hourieh Tousian
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bibi Marjan Razavi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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174
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Mao CC, Cai X. Nanomaterials and Aging. Curr Stem Cell Res Ther 2020; 16:57-65. [PMID: 32321409 DOI: 10.2174/1574888x15666200422103916] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 01/07/2020] [Accepted: 01/16/2020] [Indexed: 02/08/2023]
Abstract
As the proportion of the elderly population increases, more and more people suffer from aging-related diseases. Even if aging is inevitable, prolonging the time of healthy aging, delaying the progression of aging-related diseases, and the incidence of morbidity can greatly alleviate the pressure on individuals and society. Current research and exploration in the field of materials related to aging are expanding tremendously. Here, we present a summary of recent research in the field of nanomaterials relevant to aging. Some nanomaterials, such as silica nanomaterials (NMs) and carbon nanotubes, cause damage to the cells similar to aging processes. Other nanomaterials such as fullerenes and metalbased nanomaterials can protect the body from endogenous and exogenous harmful substances such as ROS by virtue of their excellent reducing properties. Another new type of nucleic acid nanomaterial, tetrahedral framework nucleic acids, works effectively against cell damage. This material selectively clears existing senescent cells in the tissue and thus prevents the development of the chronic inflammatory environment caused by senescent cells secreting senescence-associated secretory phenotype to the surroundings. We believe that nanomaterials have tremendous potential to advance the understanding and treatment of aging-related disorders, and today's research only represents the beginning stages.
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Affiliation(s)
- Chen-Chen Mao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiaoxiao Cai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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175
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Tan DQ, Li Y, Yang C, Li J, Tan SH, Chin DWL, Nakamura-Ishizu A, Yang H, Suda T. PRMT5 Modulates Splicing for Genome Integrity and Preserves Proteostasis of Hematopoietic Stem Cells. Cell Rep 2020; 26:2316-2328.e6. [PMID: 30811983 DOI: 10.1016/j.celrep.2019.02.001] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 12/26/2018] [Accepted: 02/01/2019] [Indexed: 12/15/2022] Open
Abstract
Protein arginine methyltransferase 5 (PRMT5) is essential for hematopoiesis, while PRMT5 inhibition remains a promising therapeutic strategy against various cancers. Here, we demonstrate that hematopoietic stem cell (HSC) quiescence and viability are severely perturbed upon PRMT5 depletion, which also increases HSC size, PI3K/AKT/mechanistic target of rapamycin (mTOR) pathway activity, and protein synthesis rate. We uncover a critical role for PRMT5 in maintaining HSC genomic integrity by modulating splicing of genes involved in DNA repair. We found that reducing PRMT5 activity upregulates exon skipping and intron retention events that impair gene expression. Genes across multiple DNA repair pathways are affected, several of which mediate interstrand crosslink repair and homologous recombination. Consequently, loss of PRMT5 activity leads to endogenous DNA damage that triggers p53 activation, induces apoptosis, and culminates in rapid HSC exhaustion, which is significantly delayed by p53 depletion. Collectively, these findings establish the importance of cell-intrinsic PRMT5 activity in HSCs.
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Affiliation(s)
- Darren Qiancheng Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Ying Li
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Chong Yang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jia Li
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Shi Hao Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Desmond Wai Loon Chin
- Department of Medicine, Huddinge, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ayako Nakamura-Ishizu
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Henry Yang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Toshio Suda
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.
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176
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Larrick JW, Mendelsohn AR. Roads to the Fountain of Youth? Rejuvenating Intestinal Stem Cells. Rejuvenation Res 2020; 22:342-347. [PMID: 31364468 DOI: 10.1089/rej.2019.2251] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The intestinal stem cells (ISCs) of old mice and humans exhibit a reduced capacity for regeneration and repair. Compromised intestinal function may play a key role in systemic aging-related changes: not only in the affected gut, but also in the nervous and cardiovascular systems. For example, progression of age-related neurodegenerative diseases such as Alzheimer's and Parkinson's has been linked to increased inflammation from gut microbiota in old mammals, which, in turn, may be linked bidirectionally with reduced ISC function. Intestinal organoid formation has been used to dissect the mechanisms of decline of ISC function. Alterations of the Wnt pathway, including downregulation of Wnt ligands in ISCs and upregulation of Wnt ligand inhibitor Notum in Paneth cells, and dysregulation of mTORC1 contribute to the observed age-related decline. Short-term fasting, caloric restriction, and peroxisome proliferator-activated receptor delta agonists have been reported to increase ISC function in adult mice. Moreover, the mTOR inhibitor rapamycin, NAD+ precursor nicotinamide riboside, and ABC99, a small molecule Notum inhibitor, have all been reported to rejuvenate ISC function in old mice and thus may have promise in humans. However, there is some controversy over the key mechanisms involved in loss of function of ISCs, which likely results, in part, from differences in how the in vitro organoid assays are performed. Moreover, how the microbiome modulates the function of ISCs and vice versa remains to be elucidated.
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Affiliation(s)
- James W Larrick
- 1Panorama Research Institute, Sunnyvale, California.,2Regenerative Sciences Institute, Sunnyvale, California
| | - Andrew R Mendelsohn
- 1Panorama Research Institute, Sunnyvale, California.,2Regenerative Sciences Institute, Sunnyvale, California
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177
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Lee GH, Hong KT, Choi JY, Shin HY, Lee WW, Kang HJ. Immunosenescent characteristics of T cells in young patients following haploidentical haematopoietic stem cell transplantation from parental donors. Clin Transl Immunology 2020; 9:e1124. [PMID: 32280463 PMCID: PMC7142179 DOI: 10.1002/cti2.1124] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 03/03/2020] [Accepted: 03/06/2020] [Indexed: 12/17/2022] Open
Abstract
Objectives Paediatric and adolescent patients in need of allogeneic haematopoietic stem cell transplantation (HSCT) generally receive stem cells from older, unrelated or parental donors when a sibling donor is not available. Despite encouraging clinical outcomes, it has been suggested that immune reconstitution accompanied by increased replicative stress and a large difference between donor and recipient age may worsen immunosenescence in paediatric recipients. Methods In this study, paired samples were collected at the same time from donors and recipients of haploidentical haematopoietic stem cell transplantation (HaploSCT). We then conducted flow cytometry‐based phenotypic and functional analyses and telomere length (TL) measurements of 21 paired T‐cell sets from parental donors and children who received T‐cell‐replete HaploSCT with post‐transplant cyclophosphamide (PTCy). Results Senescent T cells, CD28− or CD57+ cells, were significantly expanded in patients. Further, not only CD4+CD28− T cells, but also CD4+CD28+ T cells showed reduced cytokine production capacity and impaired polyfunctionality compared with parental donors, whereas their TCR‐mediated proliferation capacity was comparable. Of note, the TL in patient T cells was preserved, or even slightly longer, in senescent T cells compared with donor cells. Regression analysis showed that senescent features of CD4+ and CD8+ T cells in patients were influenced by donor age and the frequency of CD28− cells, respectively. Conclusion Our data suggest that in paediatric HaploSCT, premature immunosenescent changes occur in T cells from parental donors, and therefore, long‐term immune monitoring should be conducted.
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Affiliation(s)
- Ga Hye Lee
- Department of Biomedical Sciences Seoul National University College of Medicine Seoul South Korea.,BK21Plus Biomedical Science Project Seoul National University College of Medicine Seoul South Korea
| | - Kyung Taek Hong
- Department of Pediatrics Seoul National University College of Medicine Seoul South Korea.,Seoul National University Cancer Research Institute Seoul South Korea
| | - Jung Yoon Choi
- Department of Pediatrics Seoul National University College of Medicine Seoul South Korea.,Seoul National University Cancer Research Institute Seoul South Korea
| | - Hee Young Shin
- Department of Pediatrics Seoul National University College of Medicine Seoul South Korea.,Seoul National University Cancer Research Institute Seoul South Korea
| | - Won-Woo Lee
- Department of Biomedical Sciences Seoul National University College of Medicine Seoul South Korea.,BK21Plus Biomedical Science Project Seoul National University College of Medicine Seoul South Korea.,Seoul National University Cancer Research Institute Seoul South Korea.,Department of Microbiology and Immunology Seoul National University College of Medicine Seoul South Korea.,Ischemic/Hypoxic Disease Institute Seoul National University College of Medicine Seoul South Korea.,Institute of Infectious Diseases Seoul National University College of Medicine Seoul South Korea.,Seoul National University Hospital Biomedical Research Institute Seoul South Korea
| | - Hyoung Jin Kang
- Department of Pediatrics Seoul National University College of Medicine Seoul South Korea.,Seoul National University Cancer Research Institute Seoul South Korea
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178
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Schratz KE, Armanios M. Cancer and myeloid clonal evolution in the short telomere syndromes. Curr Opin Genet Dev 2020; 60:112-118. [PMID: 32276199 DOI: 10.1016/j.gde.2020.02.019] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 02/15/2020] [Accepted: 02/18/2020] [Indexed: 01/01/2023]
Abstract
The short telomere syndromes are considered the most common premature aging disorders. Although studies in genetically modified cells and animal models have suggested telomere dysfunction may promote genome instability, only a minority of humans with inherited loss-of-function mutations in telomerase and related genes develop cancer. Solid tumors are overall rare, and the vast majority of cancers are bone marrow-derived with myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) comprising three-quarter of cases. In contrast to young short telomere syndrome patients who develop aplastic anemia, MDS and AML are usually diagnosed in adults who have milder short telomere defects. Here, we dissect the mechanisms by which these two bone marrow failure states, aplastic anemia and MDS-AML, evolve in the setting of varying degrees of telomere shortening. We discuss the implications of these observations for patient care as well as for understanding the genetics and biology of age-related myeloid clonal evolution.
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Affiliation(s)
- Kristen E Schratz
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States; Telomere Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States
| | - Mary Armanios
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States; Telomere Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States; Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States; Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, United States.
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179
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Li X, Zeng X, Xu Y, Wang B, Zhao Y, Lai X, Qian P, Huang H. Mechanisms and rejuvenation strategies for aged hematopoietic stem cells. J Hematol Oncol 2020; 13:31. [PMID: 32252797 PMCID: PMC7137344 DOI: 10.1186/s13045-020-00864-8] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 03/27/2020] [Indexed: 12/18/2022] Open
Abstract
Hematopoietic stem cell (HSC) aging, which is accompanied by reduced self-renewal ability, impaired homing, myeloid-biased differentiation, and other defects in hematopoietic reconstitution function, is a hot topic in stem cell research. Although the number of HSCs increases with age in both mice and humans, the increase cannot compensate for the defects of aged HSCs. Many studies have been performed from various perspectives to illustrate the potential mechanisms of HSC aging; however, the detailed molecular mechanisms remain unclear, blocking further exploration of aged HSC rejuvenation. To determine how aged HSC defects occur, we provide an overview of differences in the hallmarks, signaling pathways, and epigenetics of young and aged HSCs as well as of the bone marrow niche wherein HSCs reside. Notably, we summarize the very recent studies which dissect HSC aging at the single-cell level. Furthermore, we review the promising strategies for rejuvenating aged HSC functions. Considering that the incidence of many hematological malignancies is strongly associated with age, our HSC aging review delineates the association between functional changes and molecular mechanisms and may have significant clinical relevance.
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Affiliation(s)
- Xia Li
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Xiangjun Zeng
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Yulin Xu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Binsheng Wang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Yanmin Zhao
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Xiaoyu Lai
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Pengxu Qian
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - He Huang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China. .,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China. .,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China.
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180
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Gao X, Qin W, Chen L, Fan W, Ma T, Schneider A, Yang M, Obianom ON, Chen J, Weir MD, Shu Y, Zhao L, Lin Z, Xu HHK. Effects of Targeted Delivery of Metformin and Dental Pulp Stem Cells on Osteogenesis via Demineralized Dentin Matrix under High Glucose Conditions. ACS Biomater Sci Eng 2020; 6:2346-2356. [PMID: 33455311 DOI: 10.1021/acsbiomaterials.0c00124] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
High glucose condition inhibited osteoblast differentiation could be a main mechanism contributing to the decreased bone repair associated with diabetes. Metformin, a widely prescribed antidiabetic drug, was shown to have osteogenic properties in our previous study. Transplanted mesenchymal stromal cells (MSCs) may differentiate into osteoblasts and promote bone regeneration. Our study aimed to combine the benefits of metformin and MSCs transplantation on osteogenesis in high glucose conditions. We developed demineralized dentin matrix (DDM) as a carrier to target deliver metformin and dental pulp-derived MSCs (DPSCs). We collected clinically discarded teeth, isolated DPSCs from the dental pulp, and prepared the DDM from the dentin. The DDM was observed by scanning electron microscopy and was found to have well-distributed tubes. Then, metformin was loaded into the DDM to form the DDM-Met complex (DDM-Met); DDM-Met released metformin at a favorable concentration. The DPSCs seeded with the DDM-Met in a high glucose medium showed satisfactory attachment and viability together with increased mineralization and upregulated osteogenesis-related genes, including alkaline phosphatase (ALP), osteocalcin (OCN), runt-related transcription factor 2 (Runx2), and osteopontin (OPN). A possible mechanism of the enhanced osteogenic differentiation of DPSCs was explored, and the adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) pathway was found to play a role in the enhancement of osteogenesis. DDM-Met appeared to be a successful metformin and DPSC carrier that allowed for the local delivery of metformin and DPSCs in high glucose conditions. DDM-Met-DPSC construct has promising prospects to promote osteogenesis and enhance the much-needed diabetic bone regeneration.
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Affiliation(s)
- Xianling Gao
- Guanghua School of Stomatology, Sun Yat-sen University & Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China.,Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, Maryland 21201, United States
| | - Wei Qin
- Guanghua School of Stomatology, Sun Yat-sen University & Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China.,Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, Maryland 21201, United States
| | - Lingling Chen
- Guanghua School of Stomatology, Sun Yat-sen University & Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Wenguo Fan
- Guanghua School of Stomatology, Sun Yat-sen University & Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Tao Ma
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, Maryland 21201, United States
| | - Abraham Schneider
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, Maryland 21201, United States
| | - Mengyao Yang
- Guanghua School of Stomatology, Sun Yat-sen University & Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Obinna N Obianom
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland 21201, United States
| | - Jiayao Chen
- Guanghua School of Stomatology, Sun Yat-sen University & Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Michael D Weir
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, Maryland 21201, United States
| | - Yan Shu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland 21201, United States
| | - Liang Zhao
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, Maryland 21201, United States.,Department of Orthopedic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Zhengmei Lin
- Guanghua School of Stomatology, Sun Yat-sen University & Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Hockin H K Xu
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, Maryland 21201, United States.,Center for Stem Cell Biology & Regenerative Medicine, University of Maryland School of Medicine, Baltimore, Maryland 21201, United States.,Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland 21201, United States
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181
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Luo H, Mu WC, Karki R, Chiang HH, Mohrin M, Shin JJ, Ohkubo R, Ito K, Kanneganti TD, Chen D. Mitochondrial Stress-Initiated Aberrant Activation of the NLRP3 Inflammasome Regulates the Functional Deterioration of Hematopoietic Stem Cell Aging. Cell Rep 2020; 26:945-954.e4. [PMID: 30673616 PMCID: PMC6371804 DOI: 10.1016/j.celrep.2018.12.101] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 12/05/2018] [Accepted: 12/26/2018] [Indexed: 02/07/2023] Open
Abstract
Aging-associated defects in hematopoietic stem cells (HSCs) can manifest in their progeny, leading to aberrant activation of the NLRP3 inflammasome in macrophages and affecting distant tissues and organismal health span. Whether the NLRP3 inflammasome is aberrantly activated in HSCs during physiological aging is unknown. We show here that SIRT2, a cytosolic NAD+-dependent deacetylase, is required for HSC maintenance and regenerative capacity at an old age by repressing the activation of the NLRP3 inflammasome in HSCs cell autonomously. With age, reduced SIRT2 expression and increased mitochondrial stress lead to aberrant activation of the NLRP3 inflammasome in HSCs. SIRT2 overexpression, NLRP3 inactivation, or caspase 1 inactivation improves the maintenance and regenerative capacity of aged HSCs. These results suggest that mitochondrial stress-initiated aberrant activation of the NLRP3 inflammasome is a reversible driver of the functional decline of HSC aging and highlight the importance of inflammatory signaling in regulating HSC aging.
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Affiliation(s)
- Hanzhi Luo
- Program in Metabolic Biology, Nutritional Sciences & Toxicology, University of California, Berkeley, CA 94720, USA
| | - Wei-Chieh Mu
- Program in Metabolic Biology, Nutritional Sciences & Toxicology, University of California, Berkeley, CA 94720, USA
| | - Rajendra Karki
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Hou-Hsien Chiang
- Program in Metabolic Biology, Nutritional Sciences & Toxicology, University of California, Berkeley, CA 94720, USA
| | - Mary Mohrin
- Program in Metabolic Biology, Nutritional Sciences & Toxicology, University of California, Berkeley, CA 94720, USA
| | - Jiyung J Shin
- Program in Metabolic Biology, Nutritional Sciences & Toxicology, University of California, Berkeley, CA 94720, USA
| | - Rika Ohkubo
- Program in Metabolic Biology, Nutritional Sciences & Toxicology, University of California, Berkeley, CA 94720, USA
| | - Keisuke Ito
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Departments of Cell Biology and Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Albert Einstein Cancer Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | | | - Danica Chen
- Program in Metabolic Biology, Nutritional Sciences & Toxicology, University of California, Berkeley, CA 94720, USA.
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182
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Xiao YZ, Yang M, Xiao Y, Guo Q, Huang Y, Li CJ, Cai D, Luo XH. Reducing Hypothalamic Stem Cell Senescence Protects against Aging-Associated Physiological Decline. Cell Metab 2020; 31:534-548.e5. [PMID: 32004475 DOI: 10.1016/j.cmet.2020.01.002] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 11/15/2019] [Accepted: 01/06/2020] [Indexed: 02/06/2023]
Abstract
Age-dependent loss of hypothalamic neural stem cells (htNSCs) is important for the pathological consequences of aging; however, it is unclear what drives the senescence of htNSCs. Here, we report that a long non-coding RNA, Hnscr, is abundantly expressed in the htNSCs of young mice but decreases markedly in middle-aged mice. We show that depletion of Hnscr is sufficient to drive the senescence of htNSCs and aging-like phenotypes in mice. Mechanistically, Hnscr binds to Y-box protein 1 (YB-1) to prevent its degradation and thus the attenuation of transcription of the senescence marker gene p16INK4A. Through molecular docking, we discovered that a naturally occurring small compound, theaflavin 3-gallate, can mimic the activity of Hnscr. Treatment of middle-aged mice with theaflavin 3-gallate reduced the senescence of htNSCs while improving aging-associated pathology. These results point to a mediator of the aging process and one that can be pharmacologically targeted to improve aging-related outcomes.
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Affiliation(s)
- Yu-Zhong Xiao
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Changsha, Hunan 410008, China
| | - Mi Yang
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Changsha, Hunan 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan 410008, China
| | - Ye Xiao
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Changsha, Hunan 410008, China
| | - Qi Guo
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Changsha, Hunan 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan 410008, China
| | - Yan Huang
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Changsha, Hunan 410008, China
| | - Chang-Jun Li
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Changsha, Hunan 410008, China
| | - Dongsheng Cai
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
| | - Xiang-Hang Luo
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Changsha, Hunan 410008, China.
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183
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Abstract
Physiological aging processes of the immune system are associated with an increased susceptibility to infectious, autoimmune and tumor diseases. In accordance with the general demographic development the number of tumor patients in advanced age also increases. An end to this development is not yet foreseeable. In tumor treatment, immunotherapy with checkpoint inhibitors is becoming increasingly more important; however, only a few studies on the efficacy and side-effect profiles in older patients exist so far. In this review article the changes in the immune system in old age and the influence on carcinogenesis are discussed. In addition, the current state of research on the immunotherapy of patients in advanced age who suffer from head and neck cancer is presented.
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184
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Slowly Repaired Bulky DNA Damages Modulate Cellular Redox Environment Leading to Premature Senescence. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5367102. [PMID: 32104534 PMCID: PMC7035574 DOI: 10.1155/2020/5367102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 01/23/2020] [Indexed: 11/17/2022]
Abstract
Treatments on neoplastic diseases and cancer using genotoxic drugs often cause long-term health problems related to premature aging. The underlying mechanism is poorly understood. Based on the study of a long-lasting senescence-like growth arrest (10-12 weeks) of human dermal fibroblasts induced by psoralen plus UVA (PUVA) treatment, we here revealed that slowly repaired bulky DNA damages can serve as a “molecular scar” leading to reduced cell proliferation through persistent endogenous production of reactive oxygen species (ROS) that caused accelerated telomere erosion. The elevated levels of ROS were the results of mitochondrial dysfunction and the activation of NADPH oxidase (NOX). A combined inhibition of DNA-PK and PARP1 could suppress the level of ROS. Together with a reduced expression level of BRCA1 as well as the upregulation of PP2A and 53BP1, these data suggest that the NHEJ repair of DNA double-strand breaks may be the initial trigger of metabolic changes leading to ROS production. Further study showed that stimulation of the pentose phosphate pathway played an important role for NOX activation, and ROS could be efficiently suppressed by modulating the NADP/NADPH ratio. Interestingly, feeding cells with ribose-5-phosphate, a precursor for nucleotide biosynthesis that produced through the PPP, could evidently suppress the ROS level and prevent the cell enlargement related to mitochondrial biogenesis. Taken together, these results revealed an important signaling pathway between DNA damage repair and the cell metabolism, which contributed to the premature aging effects of PUVA, and may be generally applicable for a large category of chemotherapeutic reagents including many cancer drugs.
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185
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Szade K, Zukowska M, Szade A, Nowak W, Skulimowska I, Ciesla M, Bukowska‐Strakova K, Gulati GS, Kachamakova‐Trojanowska N, Kusienicka A, Einwallner E, Kijowski J, Czauderna S, Esterbauer H, Benes V, L Weissman I, Dulak J, Jozkowicz A. Heme oxygenase-1 deficiency triggers exhaustion of hematopoietic stem cells. EMBO Rep 2020; 21:e47895. [PMID: 31885181 PMCID: PMC7001511 DOI: 10.15252/embr.201947895] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 11/14/2019] [Accepted: 11/22/2019] [Indexed: 01/01/2023] Open
Abstract
While intrinsic changes in aging hematopoietic stem cells (HSCs) are well characterized, it remains unclear how extrinsic factors affect HSC aging. Here, we demonstrate that cells in the niche-endothelial cells (ECs) and CXCL12-abundant reticular cells (CARs)-highly express the heme-degrading enzyme, heme oxygenase 1 (HO-1), but then decrease its expression with age. HO-1-deficient animals (HO-1-/- ) have altered numbers of ECs and CARs that produce less hematopoietic factors. HSCs co-cultured in vitro with HO-1-/- mesenchymal stromal cells expand, but have altered kinetic of growth and differentiation of derived colonies. HSCs from young HO-1-/- animals have reduced quiescence and regenerative potential. Young HO-1-/- HSCs exhibit features of premature exhaustion on the transcriptional and functional level. HO-1+/+ HSCs transplanted into HO-1-/- recipients exhaust their regenerative potential early and do not reconstitute secondary recipients. In turn, transplantation of HO-1-/- HSCs to the HO-1+/+ recipients recovers the regenerative potential of HO-1-/- HSCs and reverses their transcriptional alterations. Thus, HSC-extrinsic activity of HO-1 prevents HSCs from premature exhaustion and may restore the function of aged HSCs.
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Affiliation(s)
- Krzysztof Szade
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
- Institute for Stem Cell Biology and Regenerative MedicineStanford UniversityStanfordCAUSA
| | - Monika Zukowska
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
| | - Agata Szade
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
| | - Witold Nowak
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
| | - Izabella Skulimowska
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
| | - Maciej Ciesla
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
| | - Karolina Bukowska‐Strakova
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
- Department of Clinical ImmunologyInstitute of PediatricsJagiellonian University Medical CollegeKrakowPoland
| | - Gunsagar Singh Gulati
- Institute for Stem Cell Biology and Regenerative MedicineStanford UniversityStanfordCAUSA
| | - Neli Kachamakova‐Trojanowska
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
- Malopolska Centre of BiotechnologyJagiellonian UniversityKrakowPoland
| | - Anna Kusienicka
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
| | - Elisa Einwallner
- Department of Laboratory MedicineCenter of Translational ResearchMedical University of ViennaViennaAustria
| | - Jacek Kijowski
- Department of TransplantationInstitute of PediatricsJagiellonian University Medical CollegeKrakowPoland
| | - Szymon Czauderna
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
| | - Harald Esterbauer
- Department of Laboratory MedicineCenter of Translational ResearchMedical University of ViennaViennaAustria
| | | | - Irving L Weissman
- Institute for Stem Cell Biology and Regenerative MedicineStanford UniversityStanfordCAUSA
| | - Jozef Dulak
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
- Malopolska Centre of BiotechnologyJagiellonian UniversityKrakowPoland
| | - Alicja Jozkowicz
- Department of Medical BiotechnologyFaculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityKrakowPoland
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186
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Zhang H, Cai B, Geng A, Tang H, Zhang W, Li S, Jiang Y, Tan R, Wan X, Mao Z. Base excision repair but not DNA double-strand break repair is impaired in aged human adipose-derived stem cells. Aging Cell 2020; 19:e13062. [PMID: 31782607 PMCID: PMC6996963 DOI: 10.1111/acel.13062] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 08/21/2019] [Accepted: 10/11/2019] [Indexed: 02/06/2023] Open
Abstract
The decline in DNA repair capacity contributes to the age-associated decrease in genome integrity in somatic cells of different species. However, due to the lack of clinical samples and appropriate tools for studying DNA repair, whether and how age-associated changes in DNA repair result in a loss of genome integrity of human adult stem cells remains incompletely characterized. Here, we isolated 20 eyelid adipose-derived stem cell (ADSC) lines from healthy individuals (young: 10 donors with ages ranging 17-25 years; old: 10 donors with ages ranging 50-59 years). Using these cell lines, we systematically compared the efficiency of base excision repair (BER) and two DNA double-strand break (DSB) repair pathways-nonhomologous end joining (NHEJ) and homologous recombination (HR)-between the young and old groups. Surprisingly, we found that the efficiency of BER but not NHEJ or HR is impaired in aged human ADSCs, which is in contrast to previous findings that DSB repair declines with age in human fibroblasts. We also demonstrated that BER efficiency is negatively associated with tail moment, which reflects a loss of genome integrity in human ADSCs. Mechanistic studies indicated that at the protein level XRCC1, but not other BER factors, exhibited age-associated decline. Overexpression of XRCC1 reversed the decline of BER efficiency and genome integrity, indicating that XRCC1 is a potential therapeutic target for stabilizing genomes in aged ADSCs.
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Affiliation(s)
- Haiping Zhang
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital Shanghai Key Laboratory of Signaling and Disease Research School of Life Sciences and Technology Tongji University Shanghai China
| | - Bailian Cai
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital Shanghai Key Laboratory of Signaling and Disease Research School of Life Sciences and Technology Tongji University Shanghai China
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital School of Medicine Tongji University Shanghai China
| | - Anke Geng
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital Shanghai Key Laboratory of Signaling and Disease Research School of Life Sciences and Technology Tongji University Shanghai China
| | - Huanyin Tang
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital Shanghai Key Laboratory of Signaling and Disease Research School of Life Sciences and Technology Tongji University Shanghai China
| | - Wenjun Zhang
- Department of Plastic Surgery Changzheng Hospital Shanghai China
| | - Sheng Li
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital Shanghai Key Laboratory of Signaling and Disease Research School of Life Sciences and Technology Tongji University Shanghai China
| | - Ying Jiang
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital Shanghai Key Laboratory of Signaling and Disease Research School of Life Sciences and Technology Tongji University Shanghai China
| | - Rong Tan
- Center for Molecular Medicine Xiangya Hospital Central South University Changsha China
| | - Xiaoping Wan
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital Shanghai Key Laboratory of Signaling and Disease Research School of Life Sciences and Technology Tongji University Shanghai China
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital School of Medicine Tongji University Shanghai China
| | - Zhiyong Mao
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital Shanghai Key Laboratory of Signaling and Disease Research School of Life Sciences and Technology Tongji University Shanghai China
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital School of Medicine Tongji University Shanghai China
- State Key Laboratory of Natural Medicines China Pharmaceutical University Nanjing China
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187
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Zhang X, Hubal MJ, Kraus VB. Immune cell extracellular vesicles and their mitochondrial content decline with ageing. IMMUNITY & AGEING 2020; 17:1. [PMID: 31911808 PMCID: PMC6942666 DOI: 10.1186/s12979-019-0172-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 12/29/2019] [Indexed: 12/30/2022]
Abstract
Background Although the mechanisms of action are not fully understood, extracellular vesicles (EVs) have emerged as key indicators and effectors of immune function. Characterizing circulating EVs associated with stem and immune cells across the lifespan of healthy individuals could aid an understanding of immunosenescence, a process of age-related decline of cells in both adaptive and innate immune systems. Results Using high resolution multicolor flow cytometry, we identified three major subsets of EVs of varying sizes in healthy control (HC) plasma. Multiple plasma EVs associated with immune cells declined with ageing in HCs. In addition, we observed age-associated declines of respiring mitochondria cargo in EVs of several types of immune cells, suggesting that these parent cells may experience a decline in mitophagy or a mitochondrial dysfunction-induced immunosenescence. By contrast, the number of CD34+ hematopoietic stem cell-associated EVs were high and carried respiring mitochondria, which did not decline with age. Conclusion As demonstrated here, multicolor flow cytometry simultaneously measures plasma EV size, surface markers and cargo that reflect biological processes of specific cell types. The distinct surface markers and cytokine cargo of plasma EVs suggest that they may carry different bio-messages and originate by different biogenesis pathways.
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Affiliation(s)
- Xin Zhang
- 1Duke Molecular Physiology Institute, Duke University School of Medicine, Duke University, Durham, North Carolina 27701 USA.,2Department of Orthopaedic Surgery, Duke University School of Medicine, Duke University, Durham, North Carolina USA
| | - Monica Jeanne Hubal
- 3School of Health and Human Sciences, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana USA
| | - Virginia Byers Kraus
- 1Duke Molecular Physiology Institute, Duke University School of Medicine, Duke University, Durham, North Carolina 27701 USA.,4Department of Medicine, Duke University School of Medicine, Duke University, Durham, North Carolina USA
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188
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Ullah M, Ng NN, Concepcion W, Thakor AS. Emerging role of stem cell-derived extracellular microRNAs in age-associated human diseases and in different therapies of longevity. Ageing Res Rev 2020; 57:100979. [PMID: 31704472 DOI: 10.1016/j.arr.2019.100979] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 10/17/2019] [Accepted: 10/28/2019] [Indexed: 12/15/2022]
Abstract
Organismal aging involves the progressive decline in organ function and increased susceptibility to age-associated diseases. This has been associated with the aging of stem cell populations within the body that decreases the capacity of stem cells to self-renew, differentiate, and regenerate damaged tissues and organs. This review aims to explore how aging is associated with the dysregulation of stem cell-derived extracellular vesicles (SCEVs) and their corresponding miRNA cargo (SCEV-miRNAs), which are short non-coding RNAs involved in post-transcriptional regulation of target genes. Recent evidence has suggested that in aging stem cells, SCEV-miRNAs may play a vital role regulating various processes that contribute to aging: cellular senescence, stem cell exhaustion, telomere length, and circadian rhythm. Hence, further clarifying the age-dependent molecular mechanisms through which SCEV-miRNAs exert their downstream effects may inform a greater understanding of the biology of aging, elucidate their role in stem cell function, and identify important targets for future regenerative therapies. Additionally, current studies evaluating therapeutic role of SCEVs and SCEV-miRNAs in treating several age-associated diseases are also discussed.
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189
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Papatheodoridi AM, Chrysavgis L, Koutsilieris M, Chatzigeorgiou A. The Role of Senescence in the Development of Nonalcoholic Fatty Liver Disease and Progression to Nonalcoholic Steatohepatitis. Hepatology 2020; 71:363-374. [PMID: 31230380 DOI: 10.1002/hep.30834] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 06/17/2019] [Indexed: 12/17/2022]
Abstract
In recent years, cellular senescence has generated a lot of interest among researchers because of its involvement in both the normal aging process and common human diseases. During senescence, cells undergo alterations that include telomere shortening, nuclear area enlargement, and genomic and mitochondrial DNA damage, leading to irreversible cell cycle arrest, and secretion of proinflammatory cytokines. Evidence suggests that the complex process of senescence is involved in the development of a plethora of chronic diseases including metabolic and inflammatory disorders and tumorigenesis. Recently, several human and animal studies have emphasized the involvement of senescence in the pathogenesis and development of liver steatosis including the progression to nonalcoholic steatohepatitis (NASH) as characterized by the additional emergence of inflammation, hepatocyte ballooning, and liver fibrosis. The development of nonalcoholic fatty liver disease (NAFLD) and its progression to NASH are commonly accompanied by several pathophysiological events including metabolic dysregulation and inflammatory phenomena occurring within the liver that may contribute to or derive from cellular senescence, implying that the latter may be both a stimulus and a consequence of the disease. Conclusion: In this review, we summarize the current literature on the impact of cellular senescence in NAFLD/NASH and discuss the effectiveness and safety of novel senolytic drugs and therapeutic options available to delay or treat the disease. Finally, we identify the open questions and issues to be addressed in the near future.
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Affiliation(s)
| | - Lampros Chrysavgis
- Department of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Michael Koutsilieris
- Department of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Antonios Chatzigeorgiou
- Department of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine Carl Gustav Carus of TU Dresden, Dresden, Germany
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190
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Ho YH, Méndez-Ferrer S. Microenvironmental contributions to hematopoietic stem cell aging. Haematologica 2020; 105:38-46. [PMID: 31806690 PMCID: PMC6939521 DOI: 10.3324/haematol.2018.211334] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 11/14/2019] [Indexed: 12/13/2022] Open
Abstract
Hematopoietic stem cell (HSC) aging was originally thought to be essentially an HSC-autonomous process, which is the focus of another review in the same issue of Haematologica However, studies on the microenvironment that maintains and regulates HSC (HSC niche) over the past 20 years have suggested that microenvironmental aging contributes to declined HSC function over time. The HSC niches comprise a complex and dynamic molecular network of interactions across multiple cell types, including endothelial cells, mesenchymal stromal cells, osteoblasts, adipocytes, neuroglial cells and mature hematopoietic cells. Upon aging, functional changes in the HSC niches, such as microenvironmental senescence, imbalanced bone marrow mesenchymal stromal cell differentiation, vascular remodeling, changes in adrenergic signaling and inflammation, coordinately and dynamically influence the fate of HSC and their downstream progeny. The end result is lymphoid deficiency and myeloid skewing. During this process, aged HSC and their derivatives remodel the niche to favor myeloid expansion. Therefore, the crosstalk between HSC and the microenvironment is indispensable for the aging of the hematopoietic system and might represent a therapeutic target in age-related pathological disorders.
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Affiliation(s)
- Ya-Hsuan Ho
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute and Department of Haematology, University of Cambridge, Cambridge
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, UK
| | - Simón Méndez-Ferrer
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute and Department of Haematology, University of Cambridge, Cambridge
- National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge, UK
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191
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Hsieh DJY, Marte L, Kuo WW, Ju DT, Chen WST, Kuo CH, Day CH, Mahalakshmi B, Liao PH, Huang CY. Epigallocatechin-3-gallate preconditioned Adipose-derived Stem Cells confer Neuroprotection in aging rat brain. Int J Med Sci 2020; 17:1916-1926. [PMID: 32788870 PMCID: PMC7415384 DOI: 10.7150/ijms.46696] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 07/10/2020] [Indexed: 11/30/2022] Open
Abstract
Aging is the most important current issue and is usually accompanied by complications, such as cardiovascular disorders and neurodegenerative diseases, which are the leading causes of death worldwide and the second major cause of death in Taiwan. In this study, we have investigated the protective effect of adipose-derived mesenchymal stem cells (ADSCs) and the role of epigallocatechin gallate (EGCG) in enhancing this effect in aging cerebral cortex of rats. Further, we attempted to elucidate the molecular mechanism through which EGCG influences the protective effects of ADSC. ADSCs, co-cultured with EGCG, were injected into 20-month-old Wistar rats. Hematoxylin and eosin staining of the cerebral cortex revealed noticeable neurogenic activity and visible improvements in the integrity of the pre-frontal cortex tissue, compared to that in rats treated with ADSCs alone. Western blot analysis confirmed that ADSC, co-cultured with EGCG, enhanced cell survival via the p-Akt pathway and improved mitochondrial biogenesis via the SIRT-1 pathway. Moreover, it increased the available brain-derived neurotrophic factor to a higher degree than that in the ADSC group. Furthermore, western blotting showed that EGCG improved the antioxidant activity of the ADSCs in the cortex tissues via the Nrf-2 and HO-1 pathway. Based on these findings, we propose that this variation in stem cell treatment may facilitate functional recovery and enhanced neuroprotection in aged brains.
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Affiliation(s)
- Dennis Jine-Yuan Hsieh
- School of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung, 402, Taiwan.,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Lawrence Marte
- Department of Healthcare Administration, Asia University, Taichung, 413, Taiwan
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, 404, Taichung, Taiwan
| | - Da-Tong Ju
- Department of Neurological Surgery,Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - William Shao-Tsu Chen
- Department of Psychiatry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan.,School of Medicine Tzu Chi University, Hualien 970, Taiwan
| | - Chia-Hua Kuo
- Department of Sports Sciences, University of Taipei, Taipei, 111, Taiwan
| | | | - B Mahalakshmi
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
| | - Po-Hsiang Liao
- Division of General Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, New Taipei, 235, Taiwan
| | - Chih-Yang Huang
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, 404, Taiwan.,Department of Biological Science and Technology, Asia University, Taichung 413, Taiwan.,Cardiovascular and Mitochondria related diseases research center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan.,Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien 970, Taiwan
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192
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Gulati GS, Zukowska M, Noh JJ, Zhang A, Wesche DJ, Sinha R, George BM, Weissman IL, Szade K. Neogenin-1 distinguishes between myeloid-biased and balanced Hoxb5+ mouse long-term hematopoietic stem cells. Proc Natl Acad Sci U S A 2019; 116:25115-25125. [PMID: 31754028 PMCID: PMC6911217 DOI: 10.1073/pnas.1911024116] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Hematopoietic stem cells (HSCs) self-renew and generate all blood cells. Recent studies with single cell transplants and lineage tracing suggest that adult HSCs are diverse in their reconstitution and lineage potentials. However, prospective isolation of these subpopulations has remained challenging. Here, we identify Neogenin-1 (NEO1) as a unique surface marker on a fraction of mouse HSCs labeled with Hoxb5, a specific reporter of long-term HSCs (LT-HSCs). We show that NEO1+Hoxb5+ LT-HSCs expand with age and respond to myeloablative stress in young mice while NEO1-Hoxb5+ LT-HSCs exhibit no significant change in number. Furthermore, NEO1+Hoxb5+ LT-HSCs are more often in the G2/S cell cycle phase compared to NEO1-Hoxb5+ LT-HSCs in both young and old bone marrow. Upon serial transplantation, NEO1+Hoxb5+ LT-HSCs exhibit myeloid-biased differentiation and reduced reconstitution while NEO1-Hoxb5+ LT-HSCs are lineage-balanced and stably reconstitute recipients. Gene expression analysis reveals erythroid and myeloid priming in the NEO1+ fraction and association of quiescence and self-renewal-related transcription factors with NEO1- LT-HSCs. Finally, transplanted NEO1+Hoxb5+ LT-HSCs rarely generate NEO1-Hoxb5+ LT-HSCs while NEO1-Hoxb5+ LT-HSCs repopulate both LT-HSC fractions. This supports a model in which dormant, balanced NEO1-Hoxb5+ LT-HSCs can hierarchically precede active, myeloid-biased NEO1+Hoxb5+ LT-HSCs.
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Affiliation(s)
- Gunsagar S Gulati
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
| | - Monika Zukowska
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
| | - Joseph J Noh
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
| | - Allison Zhang
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
| | - Daniel J Wesche
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
| | - Rahul Sinha
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
| | - Benson M George
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
| | - Irving L Weissman
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305;
- Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305
| | - Krzysztof Szade
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305;
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
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193
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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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194
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Pilzecker B, Buoninfante OA, Jacobs H. DNA damage tolerance in stem cells, ageing, mutagenesis, disease and cancer therapy. Nucleic Acids Res 2019; 47:7163-7181. [PMID: 31251805 PMCID: PMC6698745 DOI: 10.1093/nar/gkz531] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 05/22/2019] [Accepted: 06/26/2019] [Indexed: 12/12/2022] Open
Abstract
The DNA damage response network guards the stability of the genome from a plethora of exogenous and endogenous insults. An essential feature of the DNA damage response network is its capacity to tolerate DNA damage and structural impediments during DNA synthesis. This capacity, referred to as DNA damage tolerance (DDT), contributes to replication fork progression and stability in the presence of blocking structures or DNA lesions. Defective DDT can lead to a prolonged fork arrest and eventually cumulate in a fork collapse that involves the formation of DNA double strand breaks. Four principal modes of DDT have been distinguished: translesion synthesis, fork reversal, template switching and repriming. All DDT modes warrant continuation of replication through bypassing the fork stalling impediment or repriming downstream of the impediment in combination with filling of the single-stranded DNA gaps. In this way, DDT prevents secondary DNA damage and critically contributes to genome stability and cellular fitness. DDT plays a key role in mutagenesis, stem cell maintenance, ageing and the prevention of cancer. This review provides an overview of the role of DDT in these aspects.
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Affiliation(s)
- Bas Pilzecker
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands
| | - Olimpia Alessandra Buoninfante
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands
| | - Heinz Jacobs
- Division of Tumor Biology and Immunology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands
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195
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Henry E, Souissi-Sahraoui I, Deynoux M, Lefèvre A, Barroca V, Campalans A, Ménard V, Calvo J, Pflumio F, Arcangeli ML. Human hematopoietic stem/progenitor cells display reactive oxygen species-dependent long-term hematopoietic defects after exposure to low doses of ionizing radiations. Haematologica 2019; 105:2044-2055. [PMID: 31780635 PMCID: PMC7395291 DOI: 10.3324/haematol.2019.226936] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 11/27/2019] [Indexed: 01/16/2023] Open
Abstract
Hematopoietic stem cells are responsible for life-long blood cell production and are highly sensitive to exogenous stresses. The effects of low doses of ionizing radiations on radiosensitive tissues such as the hematopoietic tissue are still unknown despite their increasing use in medical imaging. Here, we study the consequences of low doses of ionizing radiations on differentiation and self-renewal capacities of human primary hematopoietic stem/progenitor cells (HSPC). We found that a single 20 mGy dose impairs the hematopoietic reconstitution potential of human HSPC but not their differentiation properties. In contrast to high irradiation doses, low doses of irradiation do not induce DNA double strand breaks in HSPC but, similar to high doses, induce a rapid and transient increase of reactive oxygen species (ROS) that promotes activation of the p38MAPK pathway. HSPC treatment with ROS scavengers or p38MAPK inhibitor prior exposure to 20 mGy irradiation abolishes the 20 mGy-induced defects indicating that ROS and p38MAPK pathways are transducers of low doses of radiation effects. Taken together, these results show that a 20 mGy dose of ionizing radiation reduces the reconstitution potential of HSPC suggesting an effect on the self-renewal potential of human hematopoietic stem cells and pinpointing ROS or the p38MAPK as therapeutic targets. Inhibition of ROS or the p38MAPK pathway protects human primary HSPC from low-dose irradiation toxicity.
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Affiliation(s)
- Elia Henry
- INSERM, U1274, Laboratory "Niche, Cancer and Hematopoiesis".,CEA, DRF-JACOB-IRCM-SCSR-LSHL, UMR "Genetic stability, Stem Cells and Radiation".,UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay
| | - Inès Souissi-Sahraoui
- INSERM, U1274, Laboratory "Niche, Cancer and Hematopoiesis".,CEA, DRF-JACOB-IRCM-SCSR-LSHL, UMR "Genetic stability, Stem Cells and Radiation".,UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay
| | - Margaux Deynoux
- INSERM, U1274, Laboratory "Niche, Cancer and Hematopoiesis".,CEA, DRF-JACOB-IRCM-SCSR-LSHL, UMR "Genetic stability, Stem Cells and Radiation".,UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay
| | - Andréas Lefèvre
- INSERM, U1274, Laboratory "Niche, Cancer and Hematopoiesis".,CEA, DRF-JACOB-IRCM-SCSR-LSHL, UMR "Genetic stability, Stem Cells and Radiation".,UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay
| | - Vilma Barroca
- INSERM, U1274, Laboratory "Niche, Cancer and Hematopoiesis".,CEA, DRF-JACOB-IRCM-SCSR-LSHL, UMR "Genetic stability, Stem Cells and Radiation".,UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay
| | - Anna Campalans
- UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay.,CEA, DRF-JACOB-IRCM-SIGRR-LRIG, UMR "Genetic stability, Stem Cells and Radiation"
| | - Véronique Ménard
- UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay.,UMR "Genetic stability, Stem Cells and Radiation", F-92265 Fontenay-aux-Roses, France
| | - Julien Calvo
- INSERM, U1274, Laboratory "Niche, Cancer and Hematopoiesis".,CEA, DRF-JACOB-IRCM-SCSR-LSHL, UMR "Genetic stability, Stem Cells and Radiation".,UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay
| | - Françoise Pflumio
- INSERM, U1274, Laboratory "Niche, Cancer and Hematopoiesis".,CEA, DRF-JACOB-IRCM-SCSR-LSHL, UMR "Genetic stability, Stem Cells and Radiation".,UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay
| | - Marie-Laure Arcangeli
- INSERM, U1274, Laboratory "Niche, Cancer and Hematopoiesis" .,CEA, DRF-JACOB-IRCM-SCSR-LSHL, UMR "Genetic stability, Stem Cells and Radiation".,UMR "Genetic stability, Stem Cells and Radiation" Université de Paris.,UMR "Genetic stability, Stem Cells and Radiation", Université Paris-Saclay
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196
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Abstract
Ageing appears to be a nearly universal feature of life, ranging from unicellular microorganisms to humans. Longevity depends on the maintenance of cellular functionality, and an organism's ability to respond to stress has been linked to functional maintenance and longevity. Stress response pathways might indeed become therapeutic targets of therapies aimed at extending the healthy lifespan. Various progeroid syndromes have been linked to genome instability, indicating an important causal role of DNA damage accumulation in the ageing process and the development of age-related pathologies. Recently, non-cell-autonomous mechanisms including the systemic consequences of cellular senescence have been implicated in regulating organismal ageing. We discuss here the role of cellular and systemic mechanisms of ageing and their role in ageing-associated diseases.
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Affiliation(s)
- Paulo F L da Silva
- Institute for Genome Stability in Ageing and Disease, Medical Faculty, University of Cologne, Joseph-Stelzmann-Strasse 26, 50931 Cologne, Germany.,Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Joseph-Stelzmann-Strasse 26, 50931 Cologne, Germany
| | - Björn Schumacher
- Institute for Genome Stability in Ageing and Disease, Medical Faculty, University of Cologne, Joseph-Stelzmann-Strasse 26, 50931 Cologne, Germany.,Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Joseph-Stelzmann-Strasse 26, 50931 Cologne, Germany
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197
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Scheffold A, Baig AH, Chen Z, von Löhneysen SE, Becker F, Morita Y, Avila AI, Groth M, Lechel A, Schmid F, Kraus JM, Kestler HA, Stilgenbauer S, Philipp M, Burkhalter MD. Elevated Hedgehog activity contributes to attenuated DNA damage responses in aged hematopoietic cells. Leukemia 2019; 34:1125-1134. [PMID: 31728056 PMCID: PMC7214262 DOI: 10.1038/s41375-019-0641-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 10/04/2019] [Accepted: 11/03/2019] [Indexed: 01/13/2023]
Abstract
Accumulation of DNA damage and myeloid-skewed differentiation characterize aging of the hematopoietic system, yet underlying mechanisms remain incompletely understood. Here, we show that aging hematopoietic progenitor cells particularly of the myeloid branch exhibit enhanced resistance to bulky DNA lesions—a relevant type of DNA damage induced by toxins such as cancer drugs or endogenous aldehydes. We identified aging-associated activation of the Hedgehog (Hh) pathway to be connected to this phenotype. Inhibition of Hh signaling reverts DNA damage tolerance and DNA damage-resistant proliferation in aged hematopoietic progenitors. Vice versa, elevating Hh activity in young hematopoietic progenitors is sufficient to impair DNA damage responses. Altogether, these findings provide experimental evidence for aging-associated increases in Hh activity driving DNA damage tolerance in myeloid progenitors and myeloid-skewed differentiation. Modulation of Hh activity could thus be explored as a therapeutic strategy to prevent DNA damage tolerance, myeloid skewing, and disease development in the aging hematopoietic system.
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Affiliation(s)
- Annika Scheffold
- Department of Internal Medicine III, University Hospital Ulm, 89081, Ulm, Germany
| | - Ali H Baig
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany
| | - Zhiyang Chen
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany
| | | | - Friedrich Becker
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany
| | - Yohei Morita
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany
| | - Alush I Avila
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany
| | - Marco Groth
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745, Jena, Germany
| | - André Lechel
- Department of Internal Medicine I, University Hospital Ulm, 89081, Ulm, Germany
| | - Florian Schmid
- Institute of Medical Systems Biology, Ulm University, 89081, Ulm, Germany
| | - Johann M Kraus
- Institute of Medical Systems Biology, Ulm University, 89081, Ulm, Germany
| | - Hans A Kestler
- Institute of Medical Systems Biology, Ulm University, 89081, Ulm, Germany
| | - Stephan Stilgenbauer
- Department of Internal Medicine III, University Hospital Ulm, 89081, Ulm, Germany
| | - Melanie Philipp
- Institute of Biochemistry and Molecular Biology, Ulm University, 89081, Ulm, Germany.,Department of Experimental and Clinical Pharmacology and Pharmacogenomics, Division of Pharmacogenomics, University of Tübingen, 72074, Tübingen, Germany
| | - Martin D Burkhalter
- Institute of Biochemistry and Molecular Biology, Ulm University, 89081, Ulm, Germany. .,Department of Experimental and Clinical Pharmacology and Pharmacogenomics, Division of Pharmacogenomics, University of Tübingen, 72074, Tübingen, Germany.
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198
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Maharajan N, Vijayakumar K, Jang CH, Cho GW. Caloric restriction maintains stem cells through niche and regulates stem cell aging. J Mol Med (Berl) 2019; 98:25-37. [DOI: 10.1007/s00109-019-01846-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/17/2019] [Accepted: 10/22/2019] [Indexed: 12/12/2022]
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199
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Khorraminejad-Shirazi M, Dorvash M, Estedlal A, Hoveidaei AH, Mazloomrezaei M, Mosaddeghi P. Aging: A cell source limiting factor in tissue engineering. World J Stem Cells 2019; 11:787-802. [PMID: 31692986 PMCID: PMC6828594 DOI: 10.4252/wjsc.v11.i10.787] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 05/03/2019] [Accepted: 09/05/2019] [Indexed: 02/06/2023] Open
Abstract
Tissue engineering has yet to reach its ideal goal, i.e. creating profitable off-the-shelf tissues and organs, designing scaffolds and three-dimensional tissue architectures that can maintain the blood supply, proper biomaterial selection, and identifying the most efficient cell source for use in cell therapy and tissue engineering. These are still the major challenges in this field. Regarding the identification of the most appropriate cell source, aging as a factor that affects both somatic and stem cells and limits their function and applications is a preventable and, at least to some extents, a reversible phenomenon. Here, we reviewed different stem cell types, namely embryonic stem cells, adult stem cells, induced pluripotent stem cells, and genetically modified stem cells, as well as their sources, i.e. autologous, allogeneic, and xenogeneic sources. Afterward, we approached aging by discussing the functional decline of aged stem cells and different intrinsic and extrinsic factors that are involved in stem cell aging including replicative senescence and Hayflick limit, autophagy, epigenetic changes, miRNAs, mTOR and AMPK pathways, and the role of mitochondria in stem cell senescence. Finally, various interventions for rejuvenation and geroprotection of stem cells are discussed. These interventions can be applied in cell therapy and tissue engineering methods to conquer aging as a limiting factor, both in original cell source and in the in vitro proliferated cells.
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Affiliation(s)
- Mohammadhossein Khorraminejad-Shirazi
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Cell and Molecular Medicine Student Research Group, School of Medicine, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
| | - Mohammadreza Dorvash
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Cell and Molecular Medicine Student Research Group, School of Medicine, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz 7134814336, Iran
| | - Alireza Estedlal
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Cell and Molecular Medicine Student Research Group, School of Medicine, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
| | - Amir Human Hoveidaei
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
| | - Mohsen Mazloomrezaei
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Cell and Molecular Medicine Student Research Group, School of Medicine, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
| | - Pouria Mosaddeghi
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Cell and Molecular Medicine Student Research Group, School of Medicine, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz 7134814336, Iran
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200
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Sabin R, Pucci G, Anderson RM. DNA Damage Processing is Perturbed in Both Proliferative and Non-Proliferative Cells of Increased Chronological Cellular Age. Radiat Res 2019; 192:200-207. [DOI: 10.1667/rr15348.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Rebecca Sabin
- Centre for Health Effects of Radiological and Chemical Agents, Institute of Environment, Health and Societies, College of Health and Life Sciences, Brunel University London, Uxbridge, UB8 3PH, United Kingdom
| | - Gaia Pucci
- Centre for Health Effects of Radiological and Chemical Agents, Institute of Environment, Health and Societies, College of Health and Life Sciences, Brunel University London, Uxbridge, UB8 3PH, United Kingdom
| | - Rhona M. Anderson
- Centre for Health Effects of Radiological and Chemical Agents, Institute of Environment, Health and Societies, College of Health and Life Sciences, Brunel University London, Uxbridge, UB8 3PH, United Kingdom
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