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Detection of De Novo Dividing Stem Cells In Situ through Double Nucleotide Analogue Labeling. Cells 2022; 11:cells11244001. [PMID: 36552766 PMCID: PMC9777310 DOI: 10.3390/cells11244001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/18/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022] Open
Abstract
Tissue-specific somatic stem cells are characterized by their ability to reside in a state of prolonged reversible cell cycle arrest, referred to as quiescence. Maintenance of a balance between cell quiescence and division is critical for tissue homeostasis at the cellular level and is dynamically regulated by numerous extrinsic and intrinsic factors. Analysis of the activation of quiescent stem cells has been challenging because of a lack of methods for direct detection of de novo dividing cells. Here, we present and experimentally verify a novel method based on double labeling with thymidine analogues to detect de novo dividing stem cells in situ. In a proof of concept for the method, we show that memantine, a drug widely used for Alzheimer's disease therapy and a known strong inducer of adult hippocampal neurogenesis, increases the recruitment into the division cycle of quiescent radial glia-like stem cells-primary precursors of the adult-born neurons in the hippocampus. Our method could be applied to assess the effects of aging, pathology, or drug treatments on the quiescent stem cells in stem cell compartments in developing and adult tissues.
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2
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Age-Associated Loss in Renal Nestin-Positive Progenitor Cells. Int J Mol Sci 2022; 23:ijms231911015. [PMID: 36232326 PMCID: PMC9569966 DOI: 10.3390/ijms231911015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/13/2022] [Accepted: 09/17/2022] [Indexed: 12/03/2022] Open
Abstract
The decrease in the number of resident progenitor cells with age was shown for several organs. Such a loss is associated with a decline in regenerative capacity and a greater vulnerability of organs to injury. However, experiments evaluating the number of progenitor cells in the kidney during aging have not been performed until recently. Our study tried to address the change in the number of renal progenitor cells with age. Experiments were carried out on young and old transgenic nestin-green fluorescent protein (GFP) reporter mice, since nestin is suggested to be one of the markers of progenitor cells. We found that nestin+ cells in kidney tissue were located in the putative niches of resident renal progenitor cells. Evaluation of the amount of nestin+ cells in the kidneys of different ages revealed a multifold decrease in the levels of nestin+ cells in old mice. In vitro experiments on primary cultures of renal tubular cells showed that all cells including nestin+ cells from old mice had a lower proliferation rate. Moreover, the resistance to damaging factors was reduced in cells obtained from old mice. Our data indicate the loss of resident progenitor cells in kidneys and a decrease in renal cells proliferative capacity with aging.
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Zhao L, Ito S, Arai A, Udagawa N, Horibe K, Hara M, Nishida D, Hosoya A, Masuko R, Okabe K, Shin M, Li X, Matsuo K, Abe S, Matsunaga S, Kobayashi Y, Kagami H, Mizoguchi T. Odontoblast death drives cell-rich zone-derived dental tissue regeneration. Bone 2021; 150:116010. [PMID: 34020080 DOI: 10.1016/j.bone.2021.116010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 12/25/2022]
Abstract
Severe dental tissue damage induces odontoblast death, after which dental pulp stem and progenitor cells (DPSCs) differentiate into odontoblast-like cells, contributing to reparative dentin. However, the damage-induced mechanism that triggers this regeneration process is still not clear. We aimed to understand the effect of odontoblast death without hard tissue damage on dental regeneration. Herein, using a Cre/LoxP-based strategy, we demonstrated that cell-rich zone (CZ)-localizing Nestin-GFP-positive and Nestin-GFP-negative cells proliferate and differentiate into odontoblast-like cells in response to odontoblast depletion. The regenerated odontoblast-like cells played a role in reparative dentin formation. RNA-sequencing analysis revealed that the expression of odontoblast differentiation- and activation-related genes was upregulated in the pulp in response to odontoblast depletion even without damage to dental tissue. In this regenerative process, the expression of type I parathyroid hormone receptor (PTH1R) increased in the odontoblast-depleted pulp, thereby boosting dentin formation. The levels of PTH1R and its downstream mediator, i.e., phosphorylated cyclic AMP response element-binding protein (Ser133) increased in the physically damaged pulp. Collectively, odontoblast death triggered the PTH1R cascade, which may represent a therapeutic target for inducing CZ-mediated dental regeneration.
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Affiliation(s)
- Lijuan Zhao
- Institute for Oral Science, Matsumoto Dental University, Nagano, Japan
| | - Shinichirou Ito
- Department of Oral and Maxillofacial Surgery, Tokyo Dental College, Tokyo, Japan
| | - Atsushi Arai
- Department of Orthodontics, Matsumoto Dental University, Nagano, Japan
| | - Nobuyuki Udagawa
- Department of Oral Biochemistry, Matsumoto Dental University, Nagano, Japan
| | - Kanji Horibe
- Department of Oral Histology, Matsumoto Dental University, Nagano, Japan
| | - Miroku Hara
- Department of Oral Diagnostics and Comprehensive Dentistry, Matsumoto Dental University Hospital, Nagano, Japan
| | - Daisuke Nishida
- Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
| | - Akihiro Hosoya
- Division of Histology, School of Dentistry, Health Science University of Hokkaido, Hokkaido, Japan
| | | | - Koji Okabe
- Section of Cellular Physiology, Department of Physiological Sciences and Molecular Biology, Fukuoka Dental College, Fukuoka, Japan
| | - Masashi Shin
- Section of Cellular Physiology, Department of Physiological Sciences and Molecular Biology, Fukuoka Dental College, Fukuoka, Japan; Oral Medicine Center, Fukuoka Dental College, Fukuoka, Japan
| | - Xianqi Li
- Department of Oral and Maxillofacial Surgery, Matsumoto Dental University, Nagano, Japan
| | - Koichi Matsuo
- Laboratory of Cell and Tissue Biology, Keio University School of Medicine, Tokyo, Japan
| | - Shinichi Abe
- Department of Anatomy, Tokyo Dental College, Tokyo, Japan
| | | | | | - Hideaki Kagami
- Institute for Oral Science, Matsumoto Dental University, Nagano, Japan
| | - Toshihide Mizoguchi
- Institute for Oral Science, Matsumoto Dental University, Nagano, Japan; Oral Health Science Center, Tokyo Dental College, Tokyo, Japan.
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4
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Moisenovich MM, Silachev DN, Moysenovich AM, Arkhipova AY, Shaitan KV, Bogush VG, Debabov VG, Latanov AV, Pevzner IB, Zorova LD, Babenko VA, Plotnikov EY, Zorov DB. Effects of Recombinant Spidroin rS1/9 on Brain Neural Progenitors After Photothrombosis-Induced Ischemia. Front Cell Dev Biol 2020; 8:823. [PMID: 33015039 PMCID: PMC7505932 DOI: 10.3389/fcell.2020.00823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 08/03/2020] [Indexed: 12/31/2022] Open
Abstract
The existence of niches of stem cells residence in the ventricular-subventricular zone and the subgranular zone in the adult brain is well-known. These zones are the sites of restoration of brain function after injury. Bioengineered scaffolds introduced in the damaged loci were shown to support neurogenesis to the injury area, thus representing a strategy to treat acute neurodegeneration. In this study, we explored the neuroprotective activity of the recombinant analog of Nephila clavipes spidroin 1 rS1/9 after its introduction into the ischemia-damaged brain. We used nestin-green fluorescent protein (GFP) transgenic reporter mouse line, in which neural stem/progenitor cells are easily visualized and quantified by the expression of GFP, to determine the alterations in the dentate gyrus (DG) after focal ischemia in the prefrontal cortex. Changes in the proliferation of neural stem/progenitor cells during the first weeks following photothrombosis-induced brain ischemia and in vitro effects of spidroin rS1/9 in rat primary neuronal cultures were the subject of the study. The introduction of microparticles of the recombinant protein rS1/9 into the area of ischemic damage to the prefrontal cortex leads to a higher proliferation rate and increased survival of progenitor cells in the DG of the hippocampus which functions as a niche of brain stem cells located at a distance from the injury zone. rS1/9 also increased the levels of a mitochondrial probe in DG cells, which may report on either an increased number of mitochondria and/or of the mitochondrial membrane potential in progenitor cells. Apparently, the stimulation of progenitor cells was caused by formed biologically active products stemming from rS1/9 biodegradation which can also have an effect upon the growth of primary cortical neurons, their adhesion, neurite growth, and the formation of a neuronal network. The high biological activity of rS1/9 suggests it as an excellent material for therapeutic usage aimed at enhancing brain plasticity by interacting with stem cell niches. Substances formed from rS1/9 can also be used to enhance primary neuroprotection resulting in reduced cell death in the injury area.
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Affiliation(s)
| | - Denis N. Silachev
- Laboratory of Mitochondrial Structure and Function, A. N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Moscow, Russia
- Histology, Embryology and Cytology Department, Peoples’ Friendship University of Russia, Moscow, Russia
| | | | | | | | - Vladimir G. Bogush
- National Research Center “Kurchatov Institute” – GOSNIIGENETIKA, Moscow, Russia
- National Research Center “Kurchatov Institute”, Moscow, Russia
| | - Vladimir G. Debabov
- National Research Center “Kurchatov Institute” – GOSNIIGENETIKA, Moscow, Russia
- National Research Center “Kurchatov Institute”, Moscow, Russia
| | | | - Irina B. Pevzner
- Laboratory of Mitochondrial Structure and Function, A. N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Moscow, Russia
| | - Ljubava D. Zorova
- Laboratory of Mitochondrial Structure and Function, A. N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Moscow, Russia
| | - Valentina A. Babenko
- Laboratory of Mitochondrial Structure and Function, A. N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Moscow, Russia
| | - Egor Y. Plotnikov
- Laboratory of Mitochondrial Structure and Function, A. N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Moscow, Russia
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Dmitry B. Zorov
- Laboratory of Mitochondrial Structure and Function, A. N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Moscow, Russia
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5
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Popovitchenko T, Park Y, Page NF, Luo X, Krsnik Z, Liu Y, Salamon I, Stephenson JD, Kraushar ML, Volk NL, Patel SM, Wijeratne HRS, Li D, Suthar KS, Wach A, Sun M, Arnold SJ, Akamatsu W, Okano H, Paillard L, Zhang H, Buyske S, Kostovic I, De Rubeis S, Hart RP, Rasin MR. Translational derepression of Elavl4 isoforms at their alternative 5' UTRs determines neuronal development. Nat Commun 2020; 11:1674. [PMID: 32245946 PMCID: PMC7125149 DOI: 10.1038/s41467-020-15412-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 03/05/2020] [Indexed: 12/20/2022] Open
Abstract
Neurodevelopment requires precise regulation of gene expression, including post-transcriptional regulatory events such as alternative splicing and mRNA translation. However, translational regulation of specific isoforms during neurodevelopment and the mechanisms behind it remain unknown. Using RNA-seq analysis of mouse neocortical polysomes, here we report translationally repressed and derepressed mRNA isoforms during neocortical neurogenesis whose orthologs include risk genes for neurodevelopmental disorders. We demonstrate that the translation of distinct mRNA isoforms of the RNA binding protein (RBP), Elavl4, in radial glia progenitors and early neurons depends on its alternative 5' UTRs. Furthermore, 5' UTR-driven Elavl4 isoform-specific translation depends on upstream control by another RBP, Celf1. Celf1 regulation of Elavl4 translation dictates development of glutamatergic neurons. Our findings reveal a dynamic interplay between distinct RBPs and alternative 5' UTRs in neuronal development and underscore the risk of post-transcriptional dysregulation in co-occurring neurodevelopmental disorders.
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Affiliation(s)
- Tatiana Popovitchenko
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
- Graduate Program in Neurosciences, Rutgers University, Piscataway, NJ, 08854, USA
| | - Yongkyu Park
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Nicholas F Page
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ, 08854, USA
| | - Xiaobing Luo
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Zeljka Krsnik
- Croatian Institute for Brain Research, Center of Research Excellence for Basic, Clinical and Translational Neuroscience, University of Zagreb, School of Medicine, Zagreb, 10000, Croatia
| | - Yuan Liu
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
- Graduate Program in Neurosciences, Rutgers University, Piscataway, NJ, 08854, USA
| | - Iva Salamon
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
- Graduate Program in Neurosciences, Rutgers University, Piscataway, NJ, 08854, USA
- Croatian Institute for Brain Research, Center of Research Excellence for Basic, Clinical and Translational Neuroscience, University of Zagreb, School of Medicine, Zagreb, 10000, Croatia
| | - Jessica D Stephenson
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Matthew L Kraushar
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
- Graduate Program in Neurosciences, Rutgers University, Piscataway, NJ, 08854, USA
| | - Nicole L Volk
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Sejal M Patel
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - H R Sagara Wijeratne
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Diana Li
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Kandarp S Suthar
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Aaron Wach
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Miao Sun
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Sebastian J Arnold
- Institute of Experimental and Clinical Pharmacology and Toxicology, Faculty of Medicine, Signaling Research Centers BIOSS and CIBSS, University of Freiburg, Freiburg, D-79104, Germany
| | - Wado Akamatsu
- Department of Physiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Luc Paillard
- Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes)-UMR 6290, F-35000, Rennes, France
| | - Huaye Zhang
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA
| | - Steven Buyske
- Department of Statistics, Rutgers University, Piscataway, NJ, 08854, USA
| | - Ivica Kostovic
- Croatian Institute for Brain Research, Center of Research Excellence for Basic, Clinical and Translational Neuroscience, University of Zagreb, School of Medicine, Zagreb, 10000, Croatia
| | - Silvia De Rubeis
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, NY, 10029, USA
- Seaver Autism Center, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ronald P Hart
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ, 08854, USA
| | - Mladen-Roko Rasin
- Department of Neuroscience and Cell Biology, Rutgers University, Robert Wood Johnson Medical School, Piscataway, NJ, 08854, USA.
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6
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Yamakawa M, Santosa SM, Chawla N, Ivakhnitskaia E, Del Pino M, Giakas S, Nadel A, Bontu S, Tambe A, Guo K, Han KY, Cortina MS, Yu C, Rosenblatt MI, Chang JH, Azar DT. Transgenic models for investigating the nervous system: Currently available neurofluorescent reporters and potential neuronal markers. Biochim Biophys Acta Gen Subj 2020; 1864:129595. [PMID: 32173376 DOI: 10.1016/j.bbagen.2020.129595] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/24/2020] [Accepted: 03/03/2020] [Indexed: 02/06/2023]
Abstract
Recombinant DNA technologies have enabled the development of transgenic animal models for use in studying a myriad of diseases and biological states. By placing fluorescent reporters under the direct regulation of the promoter region of specific marker proteins, these models can localize and characterize very specific cell types. One important application of transgenic species is the study of the cytoarchitecture of the nervous system. Neurofluorescent reporters can be used to study the structural patterns of nerves in the central or peripheral nervous system in vivo, as well as phenomena involving embryologic or adult neurogenesis, injury, degeneration, and recovery. Furthermore, crucial molecular factors can also be screened via the transgenic approach, which may eventually play a major role in the development of therapeutic strategies against diseases like Alzheimer's or Parkinson's. This review describes currently available reporters and their uses in the literature as well as potential neural markers that can be leveraged to create additional, robust transgenic models for future studies.
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Affiliation(s)
- Michael Yamakawa
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Samuel M Santosa
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Neeraj Chawla
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Evguenia Ivakhnitskaia
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Matthew Del Pino
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Sebastian Giakas
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Arnold Nadel
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Sneha Bontu
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Arjun Tambe
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Kai Guo
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Kyu-Yeon Han
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Maria Soledad Cortina
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Charles Yu
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Mark I Rosenblatt
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America
| | - Jin-Hong Chang
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America.
| | - Dimitri T Azar
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States of America.
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7
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Yoo DY, Cho SB, Jung HY, Kim W, Nam SM, Kim JW, Moon SM, Yoon YS, Kim DW, Choi SY, Hwang IK. Differential roles of exogenous protein disulfide isomerase A3 on proliferating cell and neuroblast numbers in the normal and ischemic gerbils. Brain Behav 2020; 10:e01534. [PMID: 31957985 PMCID: PMC7066343 DOI: 10.1002/brb3.1534] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 12/19/2019] [Accepted: 12/23/2019] [Indexed: 01/02/2023] Open
Abstract
INTRODUCTION We examined the effects of exogenous protein disulfide isomerase A3 (PDIA3) on hippocampal neurogenesis in gerbils under control and ischemic damage. METHODS To facilitate the delivery of PDIA3 to the brain, we constructed Tat-PDIA3 protein and administered vehicle (10% glycerol) or Tat-PDIA3 protein once a day for 28 days. On day 24 of vehicle or Tat-PDIA3 treatment, ischemia was transiently induced by occlusion of both common carotid arteries for 5 min. RESULTS Administration of Tat-PDIA3 significantly reduced ischemia-induced spontaneous motor activity, and the number of NeuN-positive nuclei in the Tat-PDIA3-treated ischemic group was significantly increased in the CA1 region compared to that in the vehicle-treated ischemic group. Ki67- and DCX-immunoreactive cells were significantly higher in the Tat-PDIA3-treated group compared to the vehicle-treated control group. In vehicle- and Tat-PDIA3-treated ischemic groups, the number of Ki67- and DCX-immunoreactive cells was significantly higher as compared to those in the vehicle- and Tat-PDIA3-treated control groups, respectively. In the dentate gyrus, the numbers of Ki67-immunoreactive cells were comparable between vehicle- and Tat-PDIA3-treated ischemic groups, while more DCX-immunoreactive cells were observed in the Tat-PDIA3-treated group. Transient forebrain ischemia increased the expression of phosphorylated cAMP-response element-binding protein (pCREB) in the dentate gyrus, but the administration of Tat-PDIA3 robustly increased pCREB-positive nuclei in the normal gerbils, but not in the ischemic gerbils. Brain-derived neurotrophic factor (BDNF) mRNA expression was significantly increased in the Tat-PDIA3-treated group compared to that in the vehicle-treated group. Transient forebrain ischemic increased BDNF mRNA levels in both vehicle- and Tat-PDIA3-treated groups, and there were no significant differences between groups. CONCLUSIONS These results suggest that Tat-PDIA3 enhances cell proliferation and neuroblast numbers in the dentate gyrus in normal, but not in ischemic gerbils, by increasing BDNF mRNA and phosphorylation of pCREB.
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Affiliation(s)
- Dae Young Yoo
- Department of Anatomy and Cell BiologyCollege of Veterinary Medicine, and Research Institute for Veterinary ScienceSeoul National UniversitySeoulSouth Korea
- Department of AnatomyCollege of MedicineSoonchunhyang UniversityCheonanSouth Korea
| | - Su Bin Cho
- Department of Biomedical Sciences, and Research Institute for Bioscience and BiotechnologyHallym UniversityChuncheonSouth Korea
| | - Hyo Young Jung
- Department of Anatomy and Cell BiologyCollege of Veterinary Medicine, and Research Institute for Veterinary ScienceSeoul National UniversitySeoulSouth Korea
| | - Woosuk Kim
- Department of Anatomy and Cell BiologyCollege of Veterinary Medicine, and Research Institute for Veterinary ScienceSeoul National UniversitySeoulSouth Korea
| | - Sung Min Nam
- Department of AnatomyCollege of Veterinary MedicineKonkuk UniversitySeoulSouth Korea
| | - Jong Whi Kim
- Department of Anatomy and Cell BiologyCollege of Veterinary Medicine, and Research Institute for Veterinary ScienceSeoul National UniversitySeoulSouth Korea
| | - Seung Myung Moon
- Department of NeurosurgeryDongtan Sacred Heart HospitalCollege of MedicineHallym UniversityHwaseongSouth Korea
- Research Institute for Complementary & Alternative MedicineHallym UniversityChuncheonSouth Korea
| | - Yeo Sung Yoon
- Department of Anatomy and Cell BiologyCollege of Veterinary Medicine, and Research Institute for Veterinary ScienceSeoul National UniversitySeoulSouth Korea
| | - Dae Won Kim
- Department of Biochemistry and Molecular BiologyResearch Institute of Oral SciencesCollege of DentistryGangneung‐Wonju National UniversityGangneungSouth Korea
| | - Soo Young Choi
- Department of Biomedical Sciences, and Research Institute for Bioscience and BiotechnologyHallym UniversityChuncheonSouth Korea
| | - In Koo Hwang
- Department of Anatomy and Cell BiologyCollege of Veterinary Medicine, and Research Institute for Veterinary ScienceSeoul National UniversitySeoulSouth Korea
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8
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Yang M, Arai A, Udagawa N, Zhao L, Nishida D, Murakami K, Hiraga T, Takao-Kawabata R, Matsuo K, Komori T, Kobayashi Y, Takahashi N, Isogai Y, Ishizuya T, Yamaguchi A, Mizoguchi T. Parathyroid Hormone Shifts Cell Fate of a Leptin Receptor-Marked Stromal Population from Adipogenic to Osteoblastic Lineage. J Bone Miner Res 2019; 34:1952-1963. [PMID: 31173642 DOI: 10.1002/jbmr.3811] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 05/24/2019] [Accepted: 05/28/2019] [Indexed: 12/28/2022]
Abstract
Intermittent parathyroid hormone (iPTH) treatment induces bone anabolic effects that result in the recovery of osteoporotic bone loss. Human PTH is usually given to osteoporotic patients because it induces osteoblastogenesis. However, the mechanism by which PTH stimulates the expansion of stromal cell populations and their maturation toward the osteoblastic cell lineage has not be elucidated. Mouse genetic lineage tracing revealed that iPTH treatment induced osteoblastic differentiation of bone marrow (BM) mesenchymal stem and progenitor cells (MSPCs), which carried the leptin receptor (LepR)-Cre. Although these findings suggested that part of the PTH-induced bone anabolic action is exerted because of osteoblastic commitment of MSPCs, little is known about the in vivo mechanistic details of these processes. Here, we showed that LepR+ MSPCs differentiated into type I collagen (Col1)+ mature osteoblasts in response to iPTH treatment. Along with osteoblastogenesis, the number of Col1+ mature osteoblasts increased around the bone surface, although most of them were characterized as quiescent cells. However, the number of LepR-Cre-marked lineage cells in a proliferative state also increased in the vicinity of bone tissue after iPTH treatment. The expression levels of SP7/osterix (Osx) and Col1, which are markers for osteoblasts, were also increased in the LepR+ MSPCs population in response to iPTH treatment. In contrast, the expression levels of Cebpb, Pparg, and Zfp467, which are adipocyte markers, decreased in this population. Consistent with these results, iPTH treatment inhibited 5-fluorouracil- or ovariectomy (OVX)-induced LepR+ MSPC-derived adipogenesis in BM and increased LepR+ MSPC-derived osteoblasts, even under the adipocyte-induced conditions. Treatment of OVX rats with iPTH significantly affected the osteoporotic bone tissue and expansion of the BM adipose tissue. These results indicated that iPTH treatment induced transient proliferation of the LepR+ MSPCs and skewed their lineage differentiation from adipocytes toward osteoblasts, resulting in an expanded, quiescent, and mature osteoblast population. © 2019 American Society for Bone and Mineral Research.
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Affiliation(s)
- Mengyu Yang
- Institute for Oral Science, Matsumoto Dental University, Nagano, Japan
| | - Atsushi Arai
- Department of Orthodontics, Matsumoto Dental University, Nagano, Japan
| | - Nobuyuki Udagawa
- Department of Oral Biochemistry, Matsumoto Dental University, Nagano, Japan
| | - Lijuan Zhao
- Institute for Oral Science, Matsumoto Dental University, Nagano, Japan
| | - Daisuke Nishida
- Institute for Oral Science, Matsumoto Dental University, Nagano, Japan
| | - Kohei Murakami
- Department of Oral Biochemistry, Matsumoto Dental University, Nagano, Japan
| | - Toru Hiraga
- Department of Histology and Cell Biology, Matsumoto Dental University, Nagano, Japan
| | - Ryoko Takao-Kawabata
- Laboratory for Pharmacology, Pharmaceutical Research Center, Asahi Kasei Pharma Corporation, Shizuoka, Japan
| | - Koichi Matsuo
- Laboratory of Cell and Tissue Biology, Keio University School of Medicine, Tokyo, Japan
| | - Toshihisa Komori
- Department of Cell Biology, Unit of Basic Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | | | - Naoyuki Takahashi
- Institute for Oral Science, Matsumoto Dental University, Nagano, Japan
| | - Yukihiro Isogai
- Laboratory for Pharmacology, Pharmaceutical Research Center, Asahi Kasei Pharma Corporation, Shizuoka, Japan
| | - Toshinori Ishizuya
- Laboratory for Pharmacology, Pharmaceutical Research Center, Asahi Kasei Pharma Corporation, Shizuoka, Japan
| | - Akira Yamaguchi
- Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
| | - Toshihide Mizoguchi
- Institute for Oral Science, Matsumoto Dental University, Nagano, Japan.,Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
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9
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Lazutkin A, Podgorny O, Enikolopov G. Modes of division and differentiation of neural stem cells. Behav Brain Res 2019; 374:112118. [PMID: 31369774 DOI: 10.1016/j.bbr.2019.112118] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/25/2019] [Accepted: 07/28/2019] [Indexed: 01/09/2023]
Abstract
Hippocampal neurogenesis presents an unorthodox form of neuronal plasticity and may be relevant for the normal or abnormal functioning of the human and animal brain. As production of new neurons decreases after birth, purposefully activating stem cells to create additional new neurons may augment brain function or slow a disease's progression. Here, we describe current models of hippocampal stem cell maintenance and differentiation, and emphasize key features of neural stem cells' turnover that may define hippocampal neurogenesis enhancement attempts' long-term consequences. We argue that even the basic blueprint of how stem cells are maintained, divide, differentiate, and are eliminated is still contentious, with different models potentially leading to vastly different outcomes in regard to neuronal production and stem cell pool preservation. We propose that to manipulate neurogenesis for a long-term benefit, we must first understand the outline of the neural stem cells' lifecycle.
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Affiliation(s)
- Alexander Lazutkin
- Center for Developmental Genetics and Department of Anesthesiology, Stony Brook University, Stony Brook, NY, United States; Moscow Institute of Physics and Technology, Moscow, Russia; P.K. Anokhin Institute for Normal Physiology, Moscow, Russia
| | - Oleg Podgorny
- Center for Developmental Genetics and Department of Anesthesiology, Stony Brook University, Stony Brook, NY, United States; Koltzov Institute of Developmental Biology, Moscow, Russia
| | - Grigori Enikolopov
- Center for Developmental Genetics and Department of Anesthesiology, Stony Brook University, Stony Brook, NY, United States.
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10
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Nemirovich-Danchenko NM, Khodanovich MY. New Neurons in the Post-ischemic and Injured Brain: Migrating or Resident? Front Neurosci 2019; 13:588. [PMID: 31275097 PMCID: PMC6591486 DOI: 10.3389/fnins.2019.00588] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Accepted: 05/23/2019] [Indexed: 12/11/2022] Open
Abstract
The endogenous potential of adult neurogenesis is of particular interest for the development of new strategies for recovery after stroke and traumatic brain injury. These pathological conditions affect endogenous neurogenesis in two aspects. On the one hand, injury usually initiates the migration of neuronal precursors (NPCs) to the lesion area from the already existing, in physiological conditions, neurogenic niche - the ventricular-subventricular zone (V-SVZ) near the lateral ventricles. On the other hand, recent studies have convincingly demonstrated the local generation of new neurons near lesion areas in different brain locations. The striatum, cortex, and hippocampal CA1 region are considered to be locations of such new neurogenic zones in the damaged brain. This review focuses on the relative contribution of two types of NPCs of different origin, resident population in new neurogenic zones and cells migrating from the lateral ventricles, to post-stroke or post-traumatic enhancement of neurogenesis. The migratory pathways of NPCs have also been considered. In addition, the review highlights the advantages and limitations of different methodological approaches to the definition of NPC location and tracking of new neurons. In general, we suggest that despite the considerable number of studies, we still lack a comprehensive understanding of neurogenesis in the damaged brain. We believe that the advancement of methods for in vivo visualization and longitudinal observation of neurogenesis in the brain could fundamentally change the current situation in this field.
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Affiliation(s)
| | - Marina Yu. Khodanovich
- Laboratory of Neurobiology, Research Institute of Biology and Biophysics, Tomsk State University, Tomsk, Russia
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11
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Mineyeva OA, Bezriadnov DV, Kedrov AV, Lazutkin AA, Anokhin KV, Enikolopov GN. Radiation Induces Distinct Changes in Defined Subpopulations of Neural Stem and Progenitor Cells in the Adult Hippocampus. Front Neurosci 2019; 12:1013. [PMID: 30686979 PMCID: PMC6333747 DOI: 10.3389/fnins.2018.01013] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 12/17/2018] [Indexed: 11/13/2022] Open
Abstract
While irradiation can effectively treat brain tumors, this therapy also causes cognitive impairments, some of which may stem from the disruption of hippocampal neurogenesis. To study how radiation affects neurogenesis, we combine phenotyping of subpopulations of hippocampal neural stem and progenitor cells with double- and triple S-phase labeling paradigms. Using this approach, we reveal new features of division, survival, and differentiation of neural stem and progenitor cells after exposure to gamma radiation. We show that dividing neural stem cells, while susceptible to damage induced by gamma rays, are less vulnerable than their rapidly amplifying progeny. We also show that dividing stem and progenitor cells that survive irradiation are suppressed in their ability to replicate 0.5–1 day after the radiation exposure. Suppression of division is also observed for cells that entered the cell cycle after irradiation or were not in the S phase at the time of exposure. Determining the longer term effects of irradiation, we found that 2 months after exposure, radiation-induced suppression of division is partially relieved for both stem and progenitor cells, without evidence for compensatory symmetric divisions as a means to restore the normal level of neurogenesis. By that time, most mature young neurons, born 2–4 weeks after the irradiation, still bear the consequences of radiation exposure, unlike younger neurons undergoing early stages of differentiation without overt signs of deficient maturation. Later, 6 months after an exposure to 5 Gy, cell proliferation and neurogenesis are further impaired, though neural stem cells are still available in the niche, and their pool is preserved. Our results indicate that various subpopulations of stem and progenitor cells in the adult hippocampus have different susceptibility to gamma radiation, and that neurogenesis, even after a temporary restoration, is impaired in the long term after exposure to gamma rays. Our study provides a framework for investigating critical issues of neural stem cell maintenance, aging, interaction with their microenvironment, and post-irradiation therapy.
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Affiliation(s)
- Olga A Mineyeva
- Moscow Institute of Physics and Technology, Dolgoprudny, Russia.,P. K. Anokhin Research Institute of Normal Physiology, Moscow, Russia.,National Research Center "Kurchatov Institute," Moscow, Russia
| | - Dmitri V Bezriadnov
- Moscow Institute of Physics and Technology, Dolgoprudny, Russia.,P. K. Anokhin Research Institute of Normal Physiology, Moscow, Russia
| | - Alexander V Kedrov
- Moscow Institute of Physics and Technology, Dolgoprudny, Russia.,P. K. Anokhin Research Institute of Normal Physiology, Moscow, Russia
| | - Alexander A Lazutkin
- Moscow Institute of Physics and Technology, Dolgoprudny, Russia.,P. K. Anokhin Research Institute of Normal Physiology, Moscow, Russia.,N.N. Burdenko Neurosurgery Institute, Moscow, Russia
| | - Konstantin V Anokhin
- Moscow Institute of Physics and Technology, Dolgoprudny, Russia.,P. K. Anokhin Research Institute of Normal Physiology, Moscow, Russia.,National Research Center "Kurchatov Institute," Moscow, Russia
| | - Grigori N Enikolopov
- Moscow Institute of Physics and Technology, Dolgoprudny, Russia.,Center for Developmental Genetics, Department of Anesthesiology, Stony Brook University, Stony Brook, NY, United States
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