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Bazarek SF, Thaqi M, King P, Mehta AR, Patel R, Briggs CA, Reisenbigler E, Yousey JE, Miller EA, Stutzmann GE, Marr RA, Peterson DA. Engineered neurogenesis in naïve adult rat cortex by Ngn2-mediated neuronal reprogramming of resident oligodendrocyte progenitor cells. Front Neurosci 2023; 17:1237176. [PMID: 37662111 PMCID: PMC10471311 DOI: 10.3389/fnins.2023.1237176] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 07/31/2023] [Indexed: 09/05/2023] Open
Abstract
Adult tissue stem cells contribute to tissue homeostasis and repair but the long-lived neurons in the human adult cerebral cortex are not replaced, despite evidence for a limited regenerative response. However, the adult cortex contains a population of proliferating oligodendrocyte progenitor cells (OPCs). We examined the capacity of rat cortical OPCs to be re-specified to a neuronal lineage both in vitro and in vivo. Expressing the developmental transcription factor Neurogenin2 (Ngn2) in OPCs isolated from adult rat cortex resulted in their expression of early neuronal lineage markers and genes while downregulating expression of OPC markers and genes. Ngn2 induced progression through a neuronal lineage to express mature neuronal markers and functional activity as glutamatergic neurons. In vivo retroviral gene delivery of Ngn2 to naive adult rat cortex ensured restricted targeting to proliferating OPCs. Ngn2 expression in OPCs resulted in their lineage re-specification and transition through an immature neuronal morphology into mature pyramidal cortical neurons with spiny dendrites, axons, synaptic contacts, and subtype specification matching local cytoarchitecture. Lineage re-specification of rat cortical OPCs occurred without prior injury, demonstrating these glial progenitor cells need not be put into a reactive state to achieve lineage reprogramming. These results show it may be feasible to precisely engineer additional neurons directly in adult cerebral cortex for experimental study or potentially for therapeutic use to modify dysfunctional or damaged circuitry.
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Affiliation(s)
- Stanley F. Bazarek
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Mentor Thaqi
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
- Center for Neurodegenerative Disease and Therapeutics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Patrick King
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
- Center for Neurodegenerative Disease and Therapeutics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Amol R. Mehta
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Ronil Patel
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Clark A. Briggs
- Center for Neurodegenerative Disease and Therapeutics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Emily Reisenbigler
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
- Center for Neurodegenerative Disease and Therapeutics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Jonathon E. Yousey
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
- Center for Neurodegenerative Disease and Therapeutics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Elis A. Miller
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Grace E. Stutzmann
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
- Center for Neurodegenerative Disease and Therapeutics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Robert A. Marr
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
- Center for Neurodegenerative Disease and Therapeutics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Daniel A. Peterson
- Center for Stem Cell and Regenerative Medicine, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
- Center for Neurodegenerative Disease and Therapeutics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
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Zibara K, Ballout N, Mondello S, Karnib N, Ramadan N, Omais S, Nabbouh A, Caliz D, Clavijo A, Hu Z, Ghanem N, Gajavelli S, Kobeissy F. Combination of drug and stem cells neurotherapy: Potential interventions in neurotrauma and traumatic brain injury. Neuropharmacology 2018; 145:177-198. [PMID: 30267729 DOI: 10.1016/j.neuropharm.2018.09.032] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 09/17/2018] [Accepted: 09/21/2018] [Indexed: 12/12/2022]
Abstract
Traumatic brain injury (TBI) has been recognized as one of the major public health issues that leads to devastating neurological disability. As a consequence of primary and secondary injury phases, neuronal loss following brain trauma leads to pathophysiological alterations on the molecular and cellular levels that severely impact the neuropsycho-behavioral and motor outcomes. Thus, to mitigate the neuropathological sequelae post-TBI such as cerebral edema, inflammation and neural degeneration, several neurotherapeutic options have been investigated including drug intervention, stem cell use and combinational therapies. These treatments aim to ameliorate cellular degeneration, motor decline, cognitive and behavioral deficits. Recently, the use of neural stem cells (NSCs) coupled with selective drug therapy has emerged as an alternative treatment option for neural regeneration and behavioral rehabilitation post-neural injury. Given their neuroprotective abilities, NSC-based neurotherapy has been widely investigated and well-reported in numerous disease models, notably in trauma studies. In this review, we will elaborate on current updates in cell replacement therapy in the area of neurotrauma. In addition, we will discuss novel combination drug therapy treatments that have been investigated in conjunction with stem cells to overcome the limitations associated with stem cell transplantation. Understanding the regenerative capacities of stem cell and drug combination therapy will help improve functional recovery and brain repair post-TBI. This article is part of the Special Issue entitled "Novel Treatments for Traumatic Brain Injury".
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Affiliation(s)
- Kazem Zibara
- ER045, Laboratory of Stem Cells, PRASE, Lebanese University, Beirut, Lebanon; Biology Department, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
| | - Nissrine Ballout
- ER045, Laboratory of Stem Cells, PRASE, Lebanese University, Beirut, Lebanon
| | - Stefania Mondello
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Nabil Karnib
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Lebanon
| | - Naify Ramadan
- Department of Women's and Children's Health (KBH), Division of Clinical Pediatrics, Karolinska Institute, Sweden
| | - Saad Omais
- Department of Biology, American University of Beirut, Beirut, Lebanon
| | - Ali Nabbouh
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Lebanon
| | - Daniela Caliz
- Lois Pope LIFE Center, Neurosurgery, University of Miami, 33136, Miami, FL, USA
| | - Angelica Clavijo
- Lois Pope LIFE Center, Neurosurgery, University of Miami, 33136, Miami, FL, USA
| | - Zhen Hu
- Lois Pope LIFE Center, Neurosurgery, University of Miami, 33136, Miami, FL, USA
| | - Noël Ghanem
- Department of Biology, American University of Beirut, Beirut, Lebanon
| | - Shyam Gajavelli
- Lois Pope LIFE Center, Neurosurgery, University of Miami, 33136, Miami, FL, USA.
| | - Firas Kobeissy
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Lebanon; Program for Neurotrauma, Neuroproteomics & Biomarkers Research, Department of Emergency Medicine, University of Florida, Gainesville, FL, 32611, USA.
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Varrault A, Eckardt S, Girard B, Le Digarcher A, Sassetti I, Meusnier C, Ripoll C, Badalyan A, Bertaso F, McLaughlin KJ, Journot L, Bouschet T. Mouse Parthenogenetic Embryonic Stem Cells with Biparental-Like Expression of Imprinted Genes Generate Cortical-Like Neurons That Integrate into the Injured Adult Cerebral Cortex. Stem Cells 2017; 36:192-205. [PMID: 29044892 DOI: 10.1002/stem.2721] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 09/19/2017] [Accepted: 10/07/2017] [Indexed: 01/10/2023]
Abstract
One strategy for stem cell-based therapy of the cerebral cortex involves the generation and transplantation of functional, histocompatible cortical-like neurons from embryonic stem cells (ESCs). Diploid parthenogenetic Pg-ESCs have recently emerged as a promising source of histocompatible ESC derivatives for organ regeneration but their utility for cerebral cortex therapy is unknown. A major concern with Pg-ESCs is genomic imprinting. In contrast with biparental Bp-ESCs derived from fertilized oocytes, Pg-ESCs harbor two maternal genomes but no sperm-derived genome. Pg-ESCs are therefore expected to have aberrant expression levels of maternally expressed (MEGs) and paternally expressed (PEGs) imprinted genes. Given the roles of imprinted genes in brain development, tissue homeostasis and cancer, their deregulation in Pg-ESCs might be incompatible with therapy. Here, we report that, unexpectedly, only one gene out of 7 MEGs and 12 PEGs was differentially expressed between Pg-ESCs and Bp-ESCs while 13 were differentially expressed between androgenetic Ag-ESCs and Bp-ESCs, indicating that Pg-ESCs but not Ag-ESCs, have a Bp-like imprinting compatible with therapy. In vitro, Pg-ESCs generated cortical-like progenitors and electrophysiologically active glutamatergic neurons that maintained the Bp-like expression levels for most imprinted genes. In vivo, Pg-ESCs participated to the cortical lineage in fetal chimeras. Finally, transplanted Pg-ESC derivatives integrated into the injured adult cortex and sent axonal projections in the host brain. In conclusion, mouse Pg-ESCs generate functional cortical-like neurons with Bp-like imprinting and their derivatives properly integrate into both the embryonic cortex and the injured adult cortex. Collectively, our data support the utility of Pg-ESCs for cortical therapy. Stem Cells 2018;36:192-205.
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Affiliation(s)
- Annie Varrault
- Institut de Génomique Fonctionnelle, IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
| | - Sigrid Eckardt
- Research Institute at Nationwide Children's Hospital, Center for Molecular and Human Genetics, Columbus, Ohio, USA
| | - Benoît Girard
- Institut de Génomique Fonctionnelle, IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
| | - Anne Le Digarcher
- Institut de Génomique Fonctionnelle, IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
| | - Isabelle Sassetti
- Institute for Neuroscience of Montpellier, Hôpital Saint Eloi, Montpellier cedex 5, France
| | - Céline Meusnier
- Institut de Génomique Fonctionnelle, IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
| | - Chantal Ripoll
- Institute for Neuroscience of Montpellier, Hôpital Saint Eloi, Montpellier cedex 5, France
| | - Armen Badalyan
- Institut de Génomique Fonctionnelle, IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
| | - Federica Bertaso
- Institut de Génomique Fonctionnelle, IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
| | - K John McLaughlin
- Research Institute at Nationwide Children's Hospital, Center for Molecular and Human Genetics, Columbus, Ohio, USA
| | - Laurent Journot
- Institut de Génomique Fonctionnelle, IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
| | - Tristan Bouschet
- Institut de Génomique Fonctionnelle, IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
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