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Shen D, Ji Y, Qiu C, Wang K, Gao Z, Liu B, Shen Y, Gong L, Yang X, Chen X, Sun H, Yao X. Single-Cell RNA Sequencing Analysis of Microglia Dissected the Energy Metabolism and Revealed Potential Biomarkers in Amyotrophic Lateral Sclerosis. Mol Neurobiol 2024; 61:4473-4487. [PMID: 38102515 DOI: 10.1007/s12035-023-03806-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/13/2023] [Indexed: 12/17/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a common neurodegenerative disease, accompanied by the gradual loss of motor neuron, even life-threatening. However, the pathogenesis, early diagnosis, and effective strategies of ALS are not yet completely understood. In this study, the function of differentially expressed genes (DEGs) in non-neuronal cells of the primary motor cortex of ALS patients (DATA1), the brainstem of SOD1 mutant ALS mice (DATA2), and the whole blood tissue of ALS patients (DATA3) were explored. The results showed that the functions of DEGs in non-neuronal cells were mainly related to energy metabolism (such as oxidative phosphorylation) and protein synthesis. In non-neuronal cells, six upregulated DEGs (HSPA8, SOD1, CALM1, CALM2, NEFL, COX6C) and three downregulated DEGs (SNRNP70, HSPA1A, HSPA1B) might be key factors in regulating ALS. Microglia played a key role in the development of ALS. The expression of SOD1 and TUBA4A in microglia in DATA1 was significantly increased. The integration analysis of DEGs in DATA1 and DATA2 showed that SOD1 and CALM1 might be potential biomarkers. The integration analysis of DEGs in DATA1 and DATA3 showed that CALM2 and HSPA1A might be potential biomarkers. Cell interaction showed that the interaction between microglia and other cells was reduced in high oxidative phosphorylation states, which might be a risk factor in ALS. Our research provided evidence for the pathogenesis, early diagnosis, and potential targeted therapy for ALS.
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Affiliation(s)
- Dingding Shen
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
| | - Yanan Ji
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
| | - Chong Qiu
- Medical School of Nantong University, Affiliated Hospital of Nantong University, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
| | - Kexin Wang
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
| | - Zihui Gao
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
| | - Boya Liu
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
| | - Yuntian Shen
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
| | - Leilei Gong
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
- Research and Development Center for E-Learning, Ministry of Education, Beijing, 100816, People's Republic of China
| | - Xiaoming Yang
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China
| | - Xin Chen
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China.
| | - Hualin Sun
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China.
| | - Xinlei Yao
- Department of Neurology, Affiliated Hospital of Nantong University, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, 226001, People's Republic of China.
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2
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Abstract
Pericytes are specialized cells located in close proximity to endothelial cells within the microvasculature. They play a crucial role in regulating blood flow, stabilizing vessel walls, and maintaining the integrity of the blood-brain barrier. The loss of pericytes has been associated with the development and progression of various diseases, such as diabetes, Alzheimer's disease, sepsis, stroke, and traumatic brain injury. This review examines the detection of pericyte loss in different diseases, explores the methods employed to assess pericyte coverage, and elucidates the potential mechanisms contributing to pericyte loss in these pathological conditions. Additionally, current therapeutic strategies targeting pericytes are discussed, along with potential future interventions aimed at preserving pericyte function and promoting disease mitigation.
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Affiliation(s)
| | - Hongkuan Fan
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC 29425, USA;
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3
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Vautier A, Lebreton AL, Codron P, Awada Z, Gohier P, Cassereau J. Retinal vessels as a window on amyotrophic lateral sclerosis pathophysiology: A systematic review. Rev Neurol (Paris) 2023; 179:548-562. [PMID: 36842953 DOI: 10.1016/j.neurol.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/13/2022] [Accepted: 11/04/2022] [Indexed: 02/28/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a rare fatal motor neuron disease. Although many potential mechanisms have been proposed, the pathophysiology of the disease remains unknown. Currently available treatments can only delay the progression of the disease and prolong life expectancy by a few months. There is still no definitive cure for ALS, and the development of new treatments is limited by a lack of understanding of the underlying biological processes that trigger and promote neurodegeneration. Several scientific results suggest a neurovascular impairment in ALS providing perspectives for the development of new biomarkers and treatments. In this article, we performed a systematic review using PRISMA guidelines including PubMed, EmBase, GoogleScholar, and Web of Science Core Collection to analyze the scientific literature published between 2000 and 2021 discussing the neurocardiovascular involvement and ophthalmologic abnormalities in ALS. In total, 122 articles were included to establish this systematic review. Indeed, microvascular pathology seems to be involved in ALS, affecting all the neurovascular unit components. Retinal changes have also been recently highlighted without significant alteration of the visual pathways. Despite the peripheral location of the retina, it is considered as an extension of the central nervous system (CNS) as it displays similarities to the brain, the inner blood-retinal barrier, and the blood-brain barrier. This suggests that the eye could be considered as a 'window' into the brain in many CNS disorders. Thus, studying ocular manifestations of brain pathologies seems very promising in understanding neurodegenerative disorders, mainly ALS. Optical coherence tomography angiography (OCT-A) could therefore be a powerful approach for exploration of retinal microvascularization allowing to obtain new diagnostic and prognostic biomarkers of ALS.
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Affiliation(s)
- A Vautier
- Department of Ophthalmology, University Hospital, Angers, France.
| | - A L Lebreton
- Department of Ophthalmology, University Hospital, Angers, France
| | - P Codron
- Amyotrophic Lateral Sclerosis (ALS) Center, Department of Neurology, University Hospital, Angers, France; Department of Neurobiology and Neuropathology, University Hospital, Angers, France; University of Angers, Inserm, CNRS, MITOVASC, SFR ICAT, Angers, France
| | - Z Awada
- Department of neuroscience, LHH-SIUH, New York, USA
| | - P Gohier
- Department of Ophthalmology, University Hospital, Angers, France
| | - J Cassereau
- Amyotrophic Lateral Sclerosis (ALS) Center, Department of Neurology, University Hospital, Angers, France; University of Angers, Inserm, CNRS, MITOVASC, SFR ICAT, Angers, France.
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4
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Schreiber S, Bernal J, Arndt P, Schreiber F, Müller P, Morton L, Braun-Dullaeus RC, Valdés-Hernández MDC, Duarte R, Wardlaw JM, Meuth SG, Mietzner G, Vielhaber S, Dunay IR, Dityatev A, Jandke S, Mattern H. Brain Vascular Health in ALS Is Mediated through Motor Cortex Microvascular Integrity. Cells 2023; 12:957. [PMID: 36980297 PMCID: PMC10047140 DOI: 10.3390/cells12060957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/07/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Brain vascular health appears to be critical for preventing the development of amyotrophic lateral sclerosis (ALS) and slowing its progression. ALS patients often demonstrate cardiovascular risk factors and commonly suffer from cerebrovascular disease, with evidence of pathological alterations in their small cerebral blood vessels. Impaired vascular brain health has detrimental effects on motor neurons: vascular endothelial growth factor levels are lowered in ALS, which can compromise endothelial cell formation and the integrity of the blood-brain barrier. Increased turnover of neurovascular unit cells precedes their senescence, which, together with pericyte alterations, further fosters the failure of toxic metabolite removal. We here provide a comprehensive overview of the pathogenesis of impaired brain vascular health in ALS and how novel magnetic resonance imaging techniques can aid its detection. In particular, we discuss vascular patterns of blood supply to the motor cortex with the number of branches from the anterior and middle cerebral arteries acting as a novel marker of resistance and resilience against downstream effects of vascular risk and events in ALS. We outline how certain interventions adapted to patient needs and capabilities have the potential to mechanistically target the brain microvasculature towards favorable motor cortex blood supply patterns. Through this strategy, we aim to guide novel approaches to ALS management and a better understanding of ALS pathophysiology.
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Affiliation(s)
- Stefanie Schreiber
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
| | - Jose Bernal
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
| | - Philipp Arndt
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
| | - Frank Schreiber
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
| | - Patrick Müller
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
- Department of Internal Medicine/Cardiology and Angiology, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
| | - Lorena Morton
- Institute of Inflammation and Neurodegeneration, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
| | | | | | - Roberto Duarte
- Centre for Clinical Brain Sciences, The University of Edinburgh, UK Dementia Research Institute Centre, Edinburgh EH16 4UX, UK
| | - Joanna Marguerite Wardlaw
- Centre for Clinical Brain Sciences, The University of Edinburgh, UK Dementia Research Institute Centre, Edinburgh EH16 4UX, UK
| | - Sven Günther Meuth
- Department of Neurology, Medical Faculty, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany
| | - Grazia Mietzner
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
| | - Stefan Vielhaber
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
| | - Ildiko Rita Dunay
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
- Institute of Inflammation and Neurodegeneration, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
| | - Alexander Dityatev
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
- Medical Faculty, Otto von Guericke University, 39120 Magdeburg, Germany
| | - Solveig Jandke
- Department of Neurology, Otto von Guericke University Magdeburg, Medical Faculty, 39120 Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
| | - Hendrik Mattern
- German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, 39120 Magdeburg, Germany
- Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany
- Department of Biomedical Magnetic Resonance, Faculty of Natural Sciences, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
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5
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Du F, Shusta EV, Palecek SP. Extracellular matrix proteins in construction and function of in vitro blood-brain barrier models. FRONTIERS IN CHEMICAL ENGINEERING 2023. [DOI: 10.3389/fceng.2023.1130127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Abstract
The blood-brain barrier (BBB) is a highly impermeable barrier separating circulating blood and brain tissue. A functional BBB is critical for brain health, and BBB dysfunction has been linked to the pathophysiology of diseases such as stroke and Alzheimer’s disease. A variety of models have been developed to study the formation and maintenance of the BBB, ranging from in vivo animal models to in vitro models consisting of primary cells or cells differentiated from human pluripotent stem cells (hPSCs). These models must consider the composition and source of the cellular components of the neurovascular unit (NVU), including brain microvascular endothelial cells (BMECs), brain pericytes, astrocytes, and neurons, and how these cell types interact. In addition, the non-cellular components of the BBB microenvironment, such as the brain vascular basement membrane (BM) that is in direct contact with the NVU, also play key roles in BBB function. Here, we review how extracellular matrix (ECM) proteins in the brain vascular BM affect the BBB, with a particular focus on studies using hPSC-derived in vitro BBB models, and discuss how future studies are needed to advance our understanding of how the ECM affects BBB models to improve model performance and expand our knowledge on the formation and maintenance of the BBB.
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6
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Alarcan H, Al Ojaimi Y, Lanznaster D, Escoffre JM, Corcia P, Vourc'h P, Andres CR, Veyrat-Durebex C, Blasco H. Taking Advantages of Blood–Brain or Spinal Cord Barrier Alterations or Restoring Them to Optimize Therapy in ALS? J Pers Med 2022; 12:jpm12071071. [PMID: 35887567 PMCID: PMC9319288 DOI: 10.3390/jpm12071071] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/23/2022] [Accepted: 06/27/2022] [Indexed: 11/21/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a devastating neurodegenerative disorder that still lacks an efficient therapy. The barriers between the central nervous system (CNS) and the blood represent a major limiting factor to the development of drugs for CNS diseases, including ALS. Alterations of the blood–brain barrier (BBB) or blood–spinal cord barrier (BSCB) have been reported in this disease but still require further investigations. Interestingly, these alterations might be involved in the complex etiology and pathogenesis of ALS. Moreover, they can have potential consequences on the diffusion of candidate drugs across the brain. The development of techniques to bypass these barriers is continuously evolving and might open the door for personalized medical approaches. Therefore, identifying robust and non-invasive markers of BBB and BSCB alterations can help distinguish different subgroups of patients, such as those in whom barrier disruption can negatively affect the delivery of drugs to their CNS targets. The restoration of CNS barriers using innovative therapies could consequently present the advantage of both alleviating the disease progression and optimizing the safety and efficiency of ALS-specific therapies.
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Affiliation(s)
- Hugo Alarcan
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Yara Al Ojaimi
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Debora Lanznaster
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Jean-Michel Escoffre
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Philippe Corcia
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
- Service de Neurologie, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
| | - Patrick Vourc'h
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Christian R Andres
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Charlotte Veyrat-Durebex
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Hélène Blasco
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
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7
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Bernardes SS, Pinto MCX, Amorim JH, Azevedo VADC, Resende RR, Mintz A, Birbrair A. Glioma Pericytes Promote Angiogenesis by Producing Periostin. Cell Mol Neurobiol 2022; 42:557-564. [PMID: 33010018 PMCID: PMC8018985 DOI: 10.1007/s10571-020-00975-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 09/27/2020] [Indexed: 12/14/2022]
Abstract
Glioma is the prevalent aggressive primary brain tumor, with a very poor prognosis. The absence of advanced understanding of the roles played by the cells within the glioma microenvironment limits the development of effective drugs. A recent study indicates that periostin expressed by pericytes is crucial for glioma angiogenesis. Here, we describe succinctly the results and implications of this discovery in what we know about pericytes within the glioma microenvironment. The emerging knowledge from this work will benefit the development of therapies for gliomas.
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Affiliation(s)
- Sara Santos Bernardes
- Tissue Microenvironment Laboratory, Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Mauro Cunha Xavier Pinto
- Laboratory of Neuropharmacology and Neurochemistry, Institute of Biological Sciences, Federal University of Goiás, Goiânia, GO, Brazil
| | - Jaime Henrique Amorim
- Center of Biological Sciences and Health, Federal University of West Bahia, Barreiras, BA, Brazil
| | - Vasco Ariston de Carvalho Azevedo
- Cellular and Molecular Genetics Laboratory, Department of Genetics, Ecology and Evolution, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Rodrigo Ribeiro Resende
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Tissue Microenvironment Laboratory, Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil.
- Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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8
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Yoshikawa M, Aizawa S, Oppenheim RW, Milligan C. Neurovascular unit pathology is observed very early in disease progression in the mutant SOD1G93A mouse model of amyotrophic lateral sclerosis. Exp Neurol 2022; 353:114084. [DOI: 10.1016/j.expneurol.2022.114084] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 04/09/2022] [Accepted: 04/12/2022] [Indexed: 11/26/2022]
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9
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Lin TJ, Cheng KC, Wu LY, Lai WY, Ling TY, Kuo YC, Huang YH. Potential of Cellular Therapy for ALS: Current Strategies and Future Prospects. Front Cell Dev Biol 2022; 10:851613. [PMID: 35372346 PMCID: PMC8966507 DOI: 10.3389/fcell.2022.851613] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 02/15/2022] [Indexed: 12/15/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterized by progressive upper and lower motor neuron (MN) degeneration with unclear pathology. The worldwide prevalence of ALS is approximately 4.42 per 100,000 populations, and death occurs within 3-5 years after diagnosis. However, no effective therapeutic modality for ALS is currently available. In recent years, cellular therapy has shown considerable therapeutic potential because it exerts immunomodulatory effects and protects the MN circuit. However, the safety and efficacy of cellular therapy in ALS are still under debate. In this review, we summarize the current progress in cellular therapy for ALS. The underlying mechanism, current clinical trials, and the pros and cons of cellular therapy using different types of cell are discussed. In addition, clinical studies of mesenchymal stem cells (MSCs) in ALS are highlighted. The summarized findings of this review can facilitate the future clinical application of precision medicine using cellular therapy in ALS.
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Affiliation(s)
- Ting-Jung Lin
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Kuang-Chao Cheng
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Luo-Yun Wu
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Yu Lai
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- TMU Research Center for Cell Therapy and Regeneration Medicine, Taipei Medical University, Taipei, Taiwan
| | - Thai-Yen Ling
- Department and Graduate Institute of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan
- Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei, Taiwan
| | - Yung-Che Kuo
- TMU Research Center for Cell Therapy and Regeneration Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yen-Hua Huang
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- TMU Research Center for Cell Therapy and Regeneration Medicine, Taipei Medical University, Taipei, Taiwan
- International Ph.D. Program for Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Center for Reproductive Medicine, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei, Taiwan
- Comprehensive Cancer Center of Taipei Medical University, Taipei, Taiwan
- PhD Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
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10
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Zhu S, Chen M, Ying Y, Wu Q, Huang Z, Ni W, Wang X, Xu H, Bennett S, Xiao J, Xu J. Versatile subtypes of pericytes and their roles in spinal cord injury repair, bone development and repair. Bone Res 2022; 10:30. [PMID: 35296645 PMCID: PMC8927336 DOI: 10.1038/s41413-022-00203-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/16/2021] [Accepted: 01/17/2022] [Indexed: 02/07/2023] Open
Abstract
Vascular regeneration is a challenging topic in tissue repair. As one of the important components of the neurovascular unit (NVU), pericytes play an essential role in the maintenance of the vascular network of the spinal cord. To date, subtypes of pericytes have been identified by various markers, namely the PDGFR-β, Desmin, CD146, and NG2, each of which is involved with spinal cord injury (SCI) repair. In addition, pericytes may act as a stem cell source that is important for bone development and regeneration, whilst specific subtypes of pericyte could facilitate bone fracture and defect repair. One of the major challenges of pericyte biology is to determine the specific markers that would clearly distinguish the different subtypes of pericytes, and to develop efficient approaches to isolate and propagate pericytes. In this review, we discuss the biology and roles of pericytes, their markers for identification, and cell differentiation capacity with a focus on the potential application in the treatment of SCI and bone diseases in orthopedics.
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Affiliation(s)
- Sipin Zhu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.,Molecular Pharmacology Research Centre, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.,Molecular Laboratory, School of Biomedical Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Min Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Yibo Ying
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Qiuji Wu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Zhiyang Huang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Wenfei Ni
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Xiangyang Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Huazi Xu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Samuel Bennett
- Molecular Laboratory, School of Biomedical Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Jian Xiao
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China. .,Molecular Pharmacology Research Centre, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
| | - Jiake Xu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China. .,Molecular Laboratory, School of Biomedical Sciences, The University of Western Australia, Perth, WA, 6009, Australia.
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11
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Nguyen B, Bix G, Yao Y. Basal lamina changes in neurodegenerative disorders. Mol Neurodegener 2021; 16:81. [PMID: 34876200 PMCID: PMC8650282 DOI: 10.1186/s13024-021-00502-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 11/17/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Neurodegenerative disorders are a group of age-associated diseases characterized by progressive degeneration of the structure and function of the CNS. Two key pathological features of these disorders are blood-brain barrier (BBB) breakdown and protein aggregation. MAIN BODY The BBB is composed of various cell types and a non-cellular component---the basal lamina (BL). Although how different cells affect the BBB is well studied, the roles of the BL in BBB maintenance and function remain largely unknown. In addition, located in the perivascular space, the BL is also speculated to regulate protein clearance via the meningeal lymphatic/glymphatic system. Recent studies from our laboratory and others have shown that the BL actively regulates BBB integrity and meningeal lymphatic/glymphatic function in both physiological and pathological conditions, suggesting that it may play an important role in the pathogenesis and/or progression of neurodegenerative disorders. In this review, we focus on changes of the BL and its major components during aging and in neurodegenerative disorders, including Alzheimer's disease (AD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS). First, we introduce the vascular and lymphatic systems in the CNS. Next, we discuss the BL and its major components under homeostatic conditions, and summarize their changes during aging and in AD, PD, and ALS in both rodents and humans. The functional significance of these alterations and potential therapeutic targets are also reviewed. Finally, key challenges in the field and future directions are discussed. CONCLUSIONS Understanding BL changes and the functional significance of these changes in neurodegenerative disorders will fill the gap of knowledge in the field. Our goal is to provide a clear and concise review of the complex relationship between the BL and neurodegenerative disorders to stimulate new hypotheses and further research in this field.
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Affiliation(s)
- Benjamin Nguyen
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA, USA
| | - Gregory Bix
- Clinical Neuroscience Research Center, Tulane University School of Medicine, New Orleans, Louisiana, USA
- Departments of Neurosurgery and Neurology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Yao Yao
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA, USA.
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, MDC 8, Tampa, Florida, 33612, USA.
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12
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Li JY, Cai ZY, Sun XH, Shen DC, Yang XZ, Liu MS, Cui LY. Blood-brain barrier dysfunction and myelin basic protein in survival of amyotrophic lateral sclerosis with or without frontotemporal dementia. Neurol Sci 2021; 43:3201-3210. [PMID: 34826032 DOI: 10.1007/s10072-021-05731-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 11/08/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVE We aim to investigate blood-brain barrier (BBB) dysfunction and myelin basic protein (MBP) in amyotrophic lateral sclerosis (ALS) with or without frontotemporal dementia (FTD) and further determine the effect of these factors on the survival of ALS. METHODS This was a retrospective study of 113 ALS patients, 12 ALS-FTD patients, and 40 disease controls hospitalized between September 2013 and October 2020. CSF parameters including total protein (TP), albumin (Alb), immunoglobulin-G (IgG), and MBP were collected and compared between groups. The CSF-TP, CSF-Alb, CSF-IgG, and CSF/serum quotients of Alb and IgG (QAlb, QIgG) were used to reflect the BBB status. Patients were followed up until December 2020. Cox regression and Kaplan-Meier method were used for survival analysis. RESULTS The CSF-TP, CSF-Alb, and CSF-IgG concentrations were significantly higher in patients than controls (p < 0.01). Increased CSF-TP and CSF-IgG was found in 45 (39.8%) and 27 (23.9%) ALS patients, while in 7 (58.3%) and 5 (41.7%) ALS-FTD patients. The level of CSF-Alb, CSF-IgG, and CSF-MBP were significantly higher in patients with ALS-FTD than ALS. MBP showed a moderate accuracy in the distinction between ALS-FTD and ALS (AUC = 0.715 ± 0.101). No difference in MBP was found between patients and controls. Kaplan-Meier analysis indicated that a higher CSF-TP, CSF-IgG, QIgG, or QAlb was significantly associated with shorter survival. Cox regression model showed that CSF-TP, CSF-IgG, and QIgG were independent predictors of survival. CONCLUSION Our findings suggested that BBB dysfunction was more prominent in ALS-FTD than ALS and associated with a worse prognosis. Further studies are needed to determine the role of CSF-MBP as a biomarker in ALS.
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Affiliation(s)
- Jin-Yue Li
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, 100730, China
| | - Zheng-Yi Cai
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, 100730, China
| | - Xiao-Han Sun
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, 100730, China
| | - Dong-Chao Shen
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, 100730, China
| | - Xun-Zhe Yang
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, 100730, China
| | - Ming-Sheng Liu
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, 100730, China
| | - Li-Ying Cui
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, 100730, China.
- Neuroscience Center, Chinese Academy of Medical Sciences, Beijing, 100730, China.
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13
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Beneficial Effects of Transplanted Human Bone Marrow Endothelial Progenitors on Functional and Cellular Components of Blood-Spinal Cord Barrier in ALS Mice. eNeuro 2021; 8:ENEURO.0314-21.2021. [PMID: 34479980 PMCID: PMC8451202 DOI: 10.1523/eneuro.0314-21.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 08/26/2021] [Accepted: 08/30/2021] [Indexed: 12/18/2022] Open
Abstract
Convincing evidence of blood-spinal cord barrier (BSCB) alterations has been demonstrated in amyotrophic lateral sclerosis (ALS) and barrier repair is imperative to prevent motor neuron dysfunction. We showed benefits of human bone marrow-derived CD34+ cells (hBM34+) and endothelial progenitor cells (hBM-EPCs) intravenous transplantation into symptomatic G93A SOD1 mutant mice on barrier reparative processes. These gains likely occurred by replacement of damaged endothelial cells, prolonging motor neuron survival. However, additional investigations are needed to confirm the effects of administered cells on integrity of the microvascular endothelium. The aim of this study was to determine tight junction protein levels, capillary pericyte coverage, microvascular basement membrane, and endothelial filamentous actin (F-actin) status in spinal cord capillaries of G93A SOD1 mutant mice treated with human bone marrow-derived stem cells. Tight junction proteins were detected in the spinal cords of cell-treated versus non-treated mice via Western blotting at four weeks after transplant. Capillary pericyte, basement membrane laminin, and endothelial F-actin magnitudes were determined in cervical/lumbar spinal cord tissues in ALS mice, including controls, by immunohistochemistry and fluorescent staining. Results showed that cell-treated versus media-treated ALS mice substantially increased tight junction protein levels, capillary pericyte coverage, basement membrane laminin immunoexpressions, and endothelial cytoskeletal F-actin fluorescent expressions. The greatest benefits were detected in mice receiving hBM-EPCs versus hBM34+ cells. These study results support treatment with a specific cell type derived from human bone marrow toward BSCB repair in ALS. Thus, hBM-EPCs may be advanced for clinical applications as a cell-specific approach for ALS therapy through restored barrier integrity.
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14
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Eltanahy AM, Koluib YA, Gonzales A. Pericytes: Intrinsic Transportation Engineers of the CNS Microcirculation. Front Physiol 2021; 12:719701. [PMID: 34497540 PMCID: PMC8421025 DOI: 10.3389/fphys.2021.719701] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/29/2021] [Indexed: 12/15/2022] Open
Abstract
Pericytes in the brain are candidate regulators of microcirculatory blood flow because they are strategically positioned along the microvasculature, contain contractile proteins, respond rapidly to neuronal activation, and synchronize microvascular dynamics and neurovascular coupling within the capillary network. Analyses of mice with defects in pericyte generation demonstrate that pericytes are necessary for the formation of the blood-brain barrier, development of the glymphatic system, immune homeostasis, and white matter function. The development, identity, specialization, and progeny of different subtypes of pericytes, however, remain unclear. Pericytes perform brain-wide 'transportation engineering' functions in the capillary network, instructing, integrating, and coordinating signals within the cellular communicome in the neurovascular unit to efficiently distribute oxygen and nutrients ('goods and services') throughout the microvasculature ('transportation grid'). In this review, we identify emerging challenges in pericyte biology and shed light on potential pericyte-targeted therapeutic strategies.
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Affiliation(s)
- Ahmed M. Eltanahy
- Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV, United States
| | - Yara A. Koluib
- Tanta University Hospitals, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Albert Gonzales
- Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV, United States
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15
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Singer JM, Rocha FM, Pedroso-de-Lima AC, Silva GL, Coatti GC, Zatz M. Random changepoint segmented regression with smooth transition. Stat Methods Med Res 2020; 30:643-654. [PMID: 33146585 DOI: 10.1177/0962280220964953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We consider random changepoint segmented regression models to analyse data from a study conducted to verify whether treatment with stem cells may delay the onset of a symptom of amyotrophic lateral sclerosis in genetically modified mice. The proposed models capture the biological aspects of the data, accommodating a smooth transition between the periods with and without symptoms. An additional changepoint is considered to avoid negative predicted responses. Given the nonlinear nature of the model, we propose an algorithm to estimate the fixed parameters and to predict the random effects by fitting linear mixed models iteratively via standard software. We compare the variances obtained in the final step with bootstrapped and robust ones.
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Affiliation(s)
- Julio M Singer
- Departamento de Estatística, Universidade de São Paulo, São Paulo, Brazil
| | - Francisco Mm Rocha
- Departamento Multidisciplinar, Escola Paulista de Política Economia e Negócios, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Giovani L Silva
- Departamento de Matemática - IST and CEAUL, Universidade de Lisboa, Lisboa, Portugal
| | - Giuliana C Coatti
- Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Mayana Zatz
- Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
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16
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Picoli CC, Costa AC, Rocha BGS, Silva WN, Santos GSP, Prazeres PHDM, Costa PAC, Oropeza A, da Silva RA, Azevedo VAC, Resende RR, Cunha TM, Mintz A, Birbrair A. Sensory nerves in the spotlight of the stem cell niche. Stem Cells Transl Med 2020; 10:346-356. [PMID: 33112056 PMCID: PMC7900586 DOI: 10.1002/sctm.20-0284] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/27/2020] [Accepted: 09/26/2020] [Indexed: 12/16/2022] Open
Abstract
Niches are specialized tissue microenvironments that control stem cells functioning. The bone marrow mesenchymal stem cell niche defines a location within the marrow in which mesenchymal stem cells are retained and produce new cells throughout life. Deciphering the signaling mechanisms by which the niche regulates stem cell fate will facilitate the use of these cells for therapy. Recent studies, by using state-of-the-art methodologies, including sophisticated in vivo inducible genetic techniques, such as lineage-tracing Cre/loxP mediated systems, in combination with pharmacological inhibition, provide evidence that sensory neuron is an important component of the bone marrow mesenchymal stem cell niche. Strikingly, knockout of a specific receptor in sensory neurons blocked stem cell function in the bone marrow. The knowledge arising from these discoveries will be crucial for stem cell manipulation in the future. Here, we review recent progress in our understanding of sensory nerves biology in the stem cell niche.
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Affiliation(s)
- Caroline C Picoli
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Alinne C Costa
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Beatriz G S Rocha
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Walison N Silva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Gabryella S P Santos
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Pedro H D M Prazeres
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Pedro A C Costa
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Anderson Oropeza
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Rodrigo A da Silva
- Department of Dentistry, University of Taubaté, Taubaté, São Paulo, Brazil
| | - Vasco A C Azevedo
- Cellular and Molecular Genetics Laboratory, Department of Genetics, Ecology and Evolution, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Rodrigo R Resende
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, New York, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.,Department of Radiology, Columbia University Medical Center, New York, New York, USA
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17
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Egawa N, Suzuki H, Takahashi R, Hayakawa K, Li W, Lo EH, Arai K, Inoue H. From in vitro to in vivo reprogramming for neural transdifferentiation: An approach for CNS tissue remodeling using stem cell technology. J Cereb Blood Flow Metab 2020; 40:1739-1751. [PMID: 32423328 PMCID: PMC7446571 DOI: 10.1177/0271678x20910324] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Advances in stem cell technology have provided three approaches to address the demanding issue of the treatment of intractable neurological disease. One of the approaches is the screening of compounds attenuating pathological phenotypes in stem-cell based models. A second approach consists of exogenous-targeted cell supplementation to the lesion with stem cell-derived differentiated cells. A third approach involves in vivo direct programming to transdifferentiate endogenous somatic cells and to boost CNS tissue remodeling. In this review, we outline research advances in stem cell technology of direct reprogramming in vitro and in vivo and discuss the future challenge of tissue remodeling by neural transdifferentiation.
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Affiliation(s)
- Naohiro Egawa
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan.,Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Hidefumi Suzuki
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan.,Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Ryosuke Takahashi
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kazuhide Hayakawa
- Neuroprotection Research Laboratories, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Wenlu Li
- Neuroprotection Research Laboratories, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Eng H Lo
- Neuroprotection Research Laboratories, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Ken Arai
- Neuroprotection Research Laboratories, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Haruhisa Inoue
- iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan.,Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan.,Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan
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18
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Saul J, Hutchins E, Reiman R, Saul M, Ostrow LW, Harris BT, Van Keuren-Jensen K, Bowser R, Bakkar N. Global alterations to the choroid plexus blood-CSF barrier in amyotrophic lateral sclerosis. Acta Neuropathol Commun 2020; 8:92. [PMID: 32586411 PMCID: PMC7318439 DOI: 10.1186/s40478-020-00968-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 06/15/2020] [Indexed: 01/08/2023] Open
Abstract
The choroid plexus (CP) is a highly vascularized structure located in the ventricles that forms the blood-CSF barrier (BCSFB) and separates the blood from the cerebrospinal fluid (CSF). In addition to its role as a physical barrier, the CP functions in CSF secretion, transport of nutrients into the central nervous system (CNS) and a gated point of entry of circulating immune cells into the CNS. Aging and neurodegeneration have been reported to affect CP morphology and function and increase protein leakage from blood to the CSF. Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease associated with both upper and lower motor neuron loss, as well as altered proteomic and metabolomic signatures in the CSF. The role of the BCSFB and the CP in ALS is unknown. Here we describe a transcriptomic and ultrastructural analysis of BCSFB and CP alterations in human postmortem tissues from ALS and non-neurologic disease controls. ALS-CP exhibited widespread disruptions in tight junctional components of the CP epithelial layer and vascular integrity. In addition, we detected loss of pericytes around ALS blood vessels, accompanied by activation of platelet aggregation markers vWF and Fibrinogen, reminiscent of vascular injury. To investigate the immune component of ALS-CP, we conducted a comprehensive analysis of cytokines and chemokine panels in CP lysates and found a significant down-regulation of M-CSF and V-CAM1 in ALS, as well as up-regulation of VEGF-A protein. This phenotype was accompanied by an infiltration of MERTK positive macrophages into the parenchyma of the ALS-CP when compared to controls. Taken together, we demonstrate widespread structural and functional disruptions of the BCSFB in human ALS increasing our understanding of the disease pathology and identifying potential new targets for ALS therapeutic development.
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19
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Filipi T, Hermanova Z, Tureckova J, Vanatko O, Anderova M. Glial Cells-The Strategic Targets in Amyotrophic Lateral Sclerosis Treatment. J Clin Med 2020; 9:E261. [PMID: 31963681 PMCID: PMC7020059 DOI: 10.3390/jcm9010261] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/13/2020] [Accepted: 01/16/2020] [Indexed: 12/11/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurological disease, which is characterized by the degeneration of motor neurons in the motor cortex and the spinal cord and subsequently by muscle atrophy. To date, numerous gene mutations have been linked to both sporadic and familial ALS, but the effort of many experimental groups to develop a suitable therapy has not, as of yet, proven successful. The original focus was on the degenerating motor neurons, when researchers tried to understand the pathological mechanisms that cause their slow death. However, it was soon discovered that ALS is a complicated and diverse pathology, where not only neurons, but also other cell types, play a crucial role via the so-called non-cell autonomous effect, which strongly deteriorates neuronal conditions. Subsequently, variable glia-based in vitro and in vivo models of ALS were established and used for brand-new experimental and clinical approaches. Such a shift towards glia soon bore its fruit in the form of several clinical studies, which more or less successfully tried to ward the unfavourable prognosis of ALS progression off. In this review, we aimed to summarize current knowledge regarding the involvement of each glial cell type in the progression of ALS, currently available treatments, and to provide an overview of diverse clinical trials covering pharmacological approaches, gene, and cell therapies.
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Affiliation(s)
- Tereza Filipi
- Department of Cellular Neurophysiology, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14200 Prague, Czech Republic; (T.F.); (Z.H.); (J.T.); (O.V.)
- 2nd Faculty of Medicine, Charles University, 15006 Prague, Czech Republic
| | - Zuzana Hermanova
- Department of Cellular Neurophysiology, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14200 Prague, Czech Republic; (T.F.); (Z.H.); (J.T.); (O.V.)
- 2nd Faculty of Medicine, Charles University, 15006 Prague, Czech Republic
| | - Jana Tureckova
- Department of Cellular Neurophysiology, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14200 Prague, Czech Republic; (T.F.); (Z.H.); (J.T.); (O.V.)
| | - Ondrej Vanatko
- Department of Cellular Neurophysiology, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14200 Prague, Czech Republic; (T.F.); (Z.H.); (J.T.); (O.V.)
| | - Miroslava Anderova
- Department of Cellular Neurophysiology, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, 14200 Prague, Czech Republic; (T.F.); (Z.H.); (J.T.); (O.V.)
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20
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Andreotti JP, Silva WN, Costa AC, Picoli CC, Bitencourt FCO, Coimbra-Campos LMC, Resende RR, Magno LAV, Romano-Silva MA, Mintz A, Birbrair A. Neural stem cell niche heterogeneity. Semin Cell Dev Biol 2019; 95:42-53. [PMID: 30639325 PMCID: PMC6710163 DOI: 10.1016/j.semcdb.2019.01.005] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/02/2018] [Accepted: 01/08/2019] [Indexed: 12/15/2022]
Abstract
In mammals, new neurons can be generated from neural stem cells in specific regions of the adult brain. Neural stem cells are characterized by their abilities to differentiate into all neural lineages and to self-renew. The specific microenvironments regulating neural stem cells, commonly referred to as neurogenic niches, comprise multiple cell populations whose precise contributions are under active current exploration. Understanding the cross-talk between neural stem cells and their niche components is essential for the development of therapies against neurological disorders in which neural stem cells function is altered. In this review, we describe and discuss recent studies that identified novel components in the neural stem cell niche. These discoveries bring new concepts to the field. Here, we evaluate these recent advances that change our understanding of the neural stem cell niche heterogeneity and its influence on neural stem cell function.
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Affiliation(s)
- Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Walison N Silva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Alinne C Costa
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Caroline C Picoli
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Flávia C O Bitencourt
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Rodrigo R Resende
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luiz A V Magno
- Department of Mental Health, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Marco A Romano-Silva
- Department of Mental Health, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil; Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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21
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Leonel C, Sena IFG, Silva WN, Prazeres PHDM, Fernandes GR, Mancha Agresti P, Martins Drumond M, Mintz A, Azevedo VAC, Birbrair A. Staphylococcus epidermidis role in the skin microenvironment. J Cell Mol Med 2019; 23:5949-5955. [PMID: 31278859 PMCID: PMC6714221 DOI: 10.1111/jcmm.14415] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/12/2019] [Accepted: 04/30/2019] [Indexed: 02/06/2023] Open
Abstract
Wound healing is a complex dynamic physiological process in response to cutaneous destructive stimuli that aims to restore the cutaneous' barrier role. Deciphering the underlying mechanistic details that contribute to wound healing will create novel therapeutic strategies for skin repair. Recently, by using state-of-the-art technologies, it was revealed that the cutaneous microbiota interact with skin immune cells. Strikingly, commensal Staphylococcus epidermidis-induced CD8+ T cells induce re-epithelization of the skin after injury, accelerating wound closure. From a drug development perspective, the microbiota may provide new therapeutic candidate molecules to accelerate skin healing. Here, we summarize and evaluate recent advances in the understanding of the microbiota in the skin microenvironment.
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Affiliation(s)
- Caroline Leonel
- Departamento de PatologiaUniversidade Federal de Minas GeraisBelo HorizonteBrasil
| | - Isadora F. G. Sena
- Departamento de PatologiaUniversidade Federal de Minas GeraisBelo HorizonteBrasil
| | - Walison N. Silva
- Departamento de PatologiaUniversidade Federal de Minas GeraisBelo HorizonteBrasil
| | | | | | - Pamela Mancha Agresti
- Departamento de Biologia GeralUniversidade Federal de Minas GeraisBelo HorizonteBrasil
| | | | - Akiva Mintz
- Department of RadiologyColumbia University Medical CenterNew YorkNew York
| | - Vasco A. C. Azevedo
- Departamento de Biologia GeralUniversidade Federal de Minas GeraisBelo HorizonteBrasil
| | - Alexander Birbrair
- Departamento de PatologiaUniversidade Federal de Minas GeraisBelo HorizonteBrasil
- Department of RadiologyColumbia University Medical CenterNew YorkNew York
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22
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Santos GSP, Magno LAV, Romano-Silva MA, Mintz A, Birbrair A. Pericyte Plasticity in the Brain. Neurosci Bull 2019; 35:551-560. [PMID: 30367336 PMCID: PMC6527663 DOI: 10.1007/s12264-018-0296-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 08/06/2018] [Indexed: 12/16/2022] Open
Abstract
Cerebral pericytes are perivascular cells that stabilize blood vessels. Little is known about the plasticity of pericytes in the adult brain in vivo. Recently, using state-of-the-art technologies, including two-photon microscopy in combination with sophisticated Cre/loxP in vivo tracing techniques, a novel role of pericytes was revealed in vascular remodeling in the adult brain. Strikingly, after pericyte ablation, neighboring pericytes expand their processes and prevent vascular dilatation. This new knowledge provides insights into pericyte plasticity in the adult brain.
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Affiliation(s)
- Gabryella S P Santos
- Departamento de Patologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - Luiz A V Magno
- Department of Mental Health, Federal University of Minas Gerais, Belo Horizonte, MG, 30130-100, Brazil
| | - Marco A Romano-Silva
- Department of Mental Health, Federal University of Minas Gerais, Belo Horizonte, MG, 30130-100, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, 10032, USA
| | - Alexander Birbrair
- Departamento de Patologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil.
- Department of Radiology, Columbia University Medical Center, New York, NY, 10032, USA.
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23
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Azevedo PO, Paiva AE, Santos GSP, Lousado L, Andreotti JP, Sena IFG, Tagliati CA, Mintz A, Birbrair A. Cross-talk between lung cancer and bones results in neutrophils that promote tumor progression. Cancer Metastasis Rev 2019; 37:779-790. [PMID: 30203108 DOI: 10.1007/s10555-018-9759-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Lung cancer is the leading cause of cancer mortality around the world. The lack of detailed understanding of the cellular and molecular mechanisms participating in the lung tumor progression restrains the development of efficient treatments. Recently, by using state-of-the-art technologies, including in vivo sophisticated Cre/loxP technologies in combination with lung tumor models, it was revealed that osteoblasts activate neutrophils that promote tumor growth in the lung. Strikingly, genetic ablation of osteoblasts abolished lung tumor progression via interruption of SiglecFhigh-expressing neutrophils supply to the tumor microenvironment. Interestingly, SiglecFhigh neutrophil signature was associated with worse lung adenocarcinoma patients outcome. This study identifies novel cellular targets for lung cancer treatment. Here, we summarize and evaluate recent advances in our understanding of lung tumor microenvironment.
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Affiliation(s)
- Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana E Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Gabryella S P Santos
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luiza Lousado
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isadora F G Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Carlos A Tagliati
- Department of Clinical and Toxicological Analysis, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil. .,Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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24
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Single injection of sustained-release prostacyclin analog ONO-1301-MS ameliorates hypoxic toxicity in the murine model of amyotrophic lateral sclerosis. Sci Rep 2019; 9:5252. [PMID: 30918303 PMCID: PMC6437213 DOI: 10.1038/s41598-019-41771-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 03/15/2019] [Indexed: 01/10/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease characterized by several pathologies including oxidative stress, apoptosis, neuroinflammation, and glutamate toxicity. Although multiple reports suggest that ischemia and hypoxia in the spinal cord plays a pivotal role in the pathogenesis of ALS, the precise role of hypoxia in disease progression remains unknown. In this study, we detected higher expression levels of Hypoxia-inducible factor 1-alpha (HIF-1α), a key regulator of cellular responses to hypoxia, in the spinal cord of ALS patients and in the transgenic mice overexpressing the familial ALS-associated G93A SOD1 mutation (mSOD1G93A mice) compared to controls. Single subcutaneous administration of sustained-release prostacyclin analog ONO-1301-MS to mSOD1G93A mice abrogated the expression of HIF-1α in their spinal cords, as well as erythropoietin (EPO) and vascular endothelial growth factor (VEGF), both of which are downstream to HIF-1α. Furthermore, ONO-1301-MS increased the level of mature brain-derived neurotrophic factor (BDNF) and ATP production in the spinal cords of mSOD1G93A mice. At late disease stages, the motor function and the survival of motor neurons of ONO-1301-MS-treated mSOD1G93A mice was significantly improved compared to vehicle-treated mSOD1G93A mice. Our data suggest that vasodilator therapy modulating local blood flow in the spinal cord has beneficial effects against ALS disease progression.
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25
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Geranmayeh MH, Rahbarghazi R, Farhoudi M. Targeting pericytes for neurovascular regeneration. Cell Commun Signal 2019; 17:26. [PMID: 30894190 PMCID: PMC6425710 DOI: 10.1186/s12964-019-0340-8] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 03/13/2019] [Indexed: 02/06/2023] Open
Abstract
Pericytes, as a key cellular part of the blood-brain barrier, play an important role in the maintenance of brain neurovascular unit. These cells participate in brain homeostasis by regulating vascular development and integrity mainly through secreting various factors. Pericytes per se show different restorative properties after blood-brain barrier injury. Upon the occurrence of brain acute and chronic diseases, pericytes provoke immune cells to regulate neuro-inflammatory conditions. Loss of pericytes in distinct neurologic disorders intensifies blood-brain barrier permeability and leads to vascular dementia. The therapeutic potential of pericytes is originated from the unique morphological shape, location, and their ability in providing vast paracrine and juxtacrine interactions. A subset of pericytes possesses multipotentiality and exhibit trans-differentiation capacity in the context of damaged tissue. This review article aimed to highlight the critical role of pericytes in restoration of the blood-brain barrier after injury by focusing on the dynamics of pericytes and cross-talk with other cell types.
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Affiliation(s)
- Mohammad Hossein Geranmayeh
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran.,Neurosciences Research Center (NSRC), Imam Reza Medical Center, Tabriz University of Medical Sciences, Golgasht St., Azadi Ave, Tabriz, 5166614756, Iran
| | - Reza Rahbarghazi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mehdi Farhoudi
- Neurosciences Research Center (NSRC), Imam Reza Medical Center, Tabriz University of Medical Sciences, Golgasht St., Azadi Ave, Tabriz, 5166614756, Iran.
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26
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The Role of Pericytes in Amyotrophic Lateral Sclerosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1147:137-146. [PMID: 31147876 DOI: 10.1007/978-3-030-16908-4_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In amyotrophic lateral sclerosis (ALS), motor neurons die selectively. Therefore, initial symptoms that include fasciculation, spasticity, muscle atrophy, and weakness emerge following axons retraction and consequent muscles' denervation. Patients lose the ability to talk and swallow and rely on parenteral nutrition and assisted ventilation to survive. The degeneration caused by ALS is progressive and irreversible. In addition to the autonomous mechanism of neuronal cell death, non-autonomous mechanisms have been proved to be toxic for motor neurons, such as the activation of astrocytes and microglia. Among the cells being studied to unveil these toxic mechanisms are pericytes, cells that help keep the integrity of the blood-brain barrier and blood-spinal cord barrier. In this chapter, we aim to discuss the role of pericytes in ALS.
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27
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Liu L, Liu X. Contributions of Drug Transporters to Blood-Brain Barriers. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1141:407-466. [PMID: 31571171 DOI: 10.1007/978-981-13-7647-4_9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Blood-brain interfaces comprise the cerebral microvessel endothelium forming the blood-brain barrier (BBB) and the epithelium of the choroid plexuses forming the blood-cerebrospinal fluid barrier (BCSFB). Their main functions are to impede free diffusion between brain fluids and blood; to provide transport processes for essential nutrients, ions, and metabolic waste products; and to regulate the homeostasis of central nervous system (CNS), all of which are attributed to absent fenestrations, high expression of tight junction proteins at cell-cell contacts, and expression of multiple transporters, receptors, and enzymes. Existence of BBB is an important reason that systemic drug administration is not suitable for the treatment of CNS diseases. Some diseases, such epilepsy, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, and diabetes, alter BBB function via affecting tight junction proteins or altering expression and function of these transporters. This chapter will illustrate function of BBB, expression of transporters, as well as their alterations under disease status.
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Affiliation(s)
- Li Liu
- China Pharmaceutical University, Nanjing, China
| | - Xiaodong Liu
- China Pharmaceutical University, Nanjing, China.
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28
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Sweeney MD, Zhao Z, Montagne A, Nelson AR, Zlokovic BV. Blood-Brain Barrier: From Physiology to Disease and Back. Physiol Rev 2019; 99:21-78. [PMID: 30280653 PMCID: PMC6335099 DOI: 10.1152/physrev.00050.2017] [Citation(s) in RCA: 1173] [Impact Index Per Article: 234.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 04/17/2018] [Accepted: 04/17/2018] [Indexed: 12/12/2022] Open
Abstract
The blood-brain barrier (BBB) prevents neurotoxic plasma components, blood cells, and pathogens from entering the brain. At the same time, the BBB regulates transport of molecules into and out of the central nervous system (CNS), which maintains tightly controlled chemical composition of the neuronal milieu that is required for proper neuronal functioning. In this review, we first examine molecular and cellular mechanisms underlying the establishment of the BBB. Then, we focus on BBB transport physiology, endothelial and pericyte transporters, and perivascular and paravascular transport. Next, we discuss rare human monogenic neurological disorders with the primary genetic defect in BBB-associated cells demonstrating the link between BBB breakdown and neurodegeneration. Then, we review the effects of genes underlying inheritance and/or increased susceptibility for Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease, and amyotrophic lateral sclerosis (ALS) on BBB in relation to other pathologies and neurological deficits. We next examine how BBB dysfunction relates to neurological deficits and other pathologies in the majority of sporadic AD, PD, and ALS cases, multiple sclerosis, other neurodegenerative disorders, and acute CNS disorders such as stroke, traumatic brain injury, spinal cord injury, and epilepsy. Lastly, we discuss BBB-based therapeutic opportunities. We conclude with lessons learned and future directions, with emphasis on technological advances to investigate the BBB functions in the living human brain, and at the molecular and cellular level, and address key unanswered questions.
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Affiliation(s)
- Melanie D Sweeney
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California , Los Angeles, California ; and Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California , Los Angeles, California
| | - Zhen Zhao
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California , Los Angeles, California ; and Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California , Los Angeles, California
| | - Axel Montagne
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California , Los Angeles, California ; and Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California , Los Angeles, California
| | - Amy R Nelson
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California , Los Angeles, California ; and Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California , Los Angeles, California
| | - Berislav V Zlokovic
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California , Los Angeles, California ; and Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California , Los Angeles, California
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29
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Guerra DAP, Paiva AE, Sena IFG, Azevedo PO, Silva WN, Mintz A, Birbrair A. Targeting glioblastoma-derived pericytes improves chemotherapeutic outcome. Angiogenesis 2018; 21:667-675. [PMID: 29761249 PMCID: PMC6238207 DOI: 10.1007/s10456-018-9621-x] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 05/08/2018] [Indexed: 12/12/2022]
Abstract
Glioblastoma is the most common malignant brain cancer in adults, with poor prognosis. The blood-brain barrier limits the arrival of several promising anti-glioblastoma drugs, and restricts the design of efficient therapies. Recently, by using state-of-the-art technologies, including thymidine kinase targeting system in combination with glioblastoma xenograft mouse models, it was revealed that targeting glioblastoma-derived pericytes improves chemotherapy efficiency. Strikingly, ibrutinib treatment enhances chemotherapeutic effectiveness, by targeting pericytes, improving blood-brain barrier permeability, and prolonging survival. This study identifies glioblastoma-derived pericyte as a novel target in the brain tumor microenvironment during carcinogenesis. Here, we summarize and evaluate recent advances in the understanding of pericyte's role in the glioblastoma microenvironment.
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Affiliation(s)
- Daniel A P Guerra
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana E Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isadora F G Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Walison N Silva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil.
- Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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30
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Silva WN, Leonel C, Prazeres PHDM, Sena IFG, Guerra DAP, Heller D, Diniz IMA, Fortuna V, Mintz A, Birbrair A. Role of Schwann cells in cutaneous wound healing. Wound Repair Regen 2018; 26:392-397. [PMID: 30098299 PMCID: PMC6289698 DOI: 10.1111/wrr.12647] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 06/01/2018] [Indexed: 12/20/2022]
Abstract
Dermal wound healing is the process of repairing and remodeling skin following injury. Delayed or aberrant cutaneous healing poses a challenge for the health care system. The lack of detailed understanding of cellular and molecular mechanisms involved in this process hampers the development of effective targeted treatments. In a recent study, Parfejevs et al.-using state-of-the-art technologies, including in vivo sophisticated Cre/loxP techniques in combination with a mouse model of excisional cutaneous wounding-reveal that Schwann cells induce adult dermal wound healing. Strikingly, genetic ablation of Schwann cells delays wound contraction and closure, decreases myofibroblast formation, and impairs skin re-epithelization after injury. From a drug development perspective, Schwann cells are a new cellular candidate to be activated to accelerate skin healing. Here, we summarize and evaluate recent advances in the understanding of Schwann cells roles in the skin microenvironment.
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Affiliation(s)
- Walison N. Silva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Caroline Leonel
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Isadora F. G. Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Daniel A. P. Guerra
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Debora Heller
- Experimental Research Center, Albert Einstein Israeli Hospital, São Paulo, SP, Brazil
- School of Dentistry, Cruzeiro do Sul University, São Paulo, SP, Brazil
| | - Ivana M. A. Diniz
- Department of Restorative Dentistry, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Vitor Fortuna
- Health Science Institute, Federal University of Bahia, Salvador, BA, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
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31
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Gomes JP, Coatti GC, Valadares MC, Assoni AF, Pelatti MV, Secco M, Zatz M. Human Adipose-Derived CD146+ Stem Cells Increase Life Span of a Muscular Dystrophy Mouse Model More Efficiently than Mesenchymal Stromal Cells. DNA Cell Biol 2018; 37:798-804. [DOI: 10.1089/dna.2018.4158] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Affiliation(s)
- Juliana P. Gomes
- Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
| | - Giuliana C. Coatti
- Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
| | - Marcos C. Valadares
- Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
| | - Amanda F. Assoni
- Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
| | - Mayra V. Pelatti
- Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
| | - Mariane Secco
- Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
| | - Mayana Zatz
- Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
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32
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de Alvarenga EC, Silva WN, Vasconcellos R, Paredes-Gamero EJ, Mintz A, Birbrair A. Promyelocytic leukemia protein in mesenchymal stem cells is essential for leukemia progression. Ann Hematol 2018; 97:1749-1755. [PMID: 30069705 DOI: 10.1007/s00277-018-3463-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Accepted: 07/25/2018] [Indexed: 12/28/2022]
Abstract
The dynamic interactions between leukemic cells and cells resident within the bone marrow microenvironment are vital for leukemia progression. The lack of detailed knowledge about the cellular and molecular mechanisms involved in this cross-talk restricts the design of effective treatments. Guarnerio et al. (2018) by using state-of-the-art techniques, including sophisticated Cre/loxP technologies in combination with leukemia mouse models, reveal that mesenchymal stem cells via promyelocytic leukemia protein (Pml) maintain leukemic cells in the bone marrow niche. Strikingly, genetic deletion of Pml in mesenchymal stem cells raised survival of leukemic mice under chemotherapeutic treatment. The emerging knowledge from this research provides a novel target in the bone marrow niche for therapeutic benefit in leukemia.
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Affiliation(s)
- Erika Costa de Alvarenga
- Department of Natural Sciences, Federal University of São João del Rei, São João Del Rey, MG, Brazil
| | - Walison N Silva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Rebecca Vasconcellos
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Edgar J Paredes-Gamero
- Department of Biochemistry, Federal University of São Paulo, São Paulo, SP, Brazil.,Faculty of Pharmaceutical Sciences, Food and Nutrition, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil. .,Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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33
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Prazeres PHDM, Turquetti AOM, Azevedo PO, Barreto RSN, Miglino MA, Mintz A, Delbono O, Birbrair A. Perivascular cell αv integrins as a target to treat skeletal muscle fibrosis. Int J Biochem Cell Biol 2018; 99:109-113. [PMID: 29627438 PMCID: PMC6159891 DOI: 10.1016/j.biocel.2018.04.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 04/02/2018] [Accepted: 04/03/2018] [Indexed: 02/06/2023]
Abstract
Fibrosis following injury leads to aberrant regeneration and incomplete functional recovery of skeletal muscle, but the lack of detailed knowledge about the cellular and molecular mechanisms involved hampers the design of effective treatments. Using state-of-the-art technologies, Murray et al. (2017) found that perivascular PDGFRβ-expressing cells generate fibrotic cells in the skeletal muscle. Strikingly, genetic deletion of αv integrins from perivascular PDGFRβ-expressing cells significantly inhibited skeletal muscle fibrosis without affecting muscle vascularization or regeneration. In addition, the authors showed that a small molecule inhibitor of αv integrins, CWHM 12, attenuates skeletal muscle fibrosis. From a drug-development perspective, this study identifies a new cellular and molecular target to treat skeletal muscle fibrosis.
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Affiliation(s)
- Pedro H D M Prazeres
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Anaelise O M Turquetti
- Anatomy of Domestic and Wild Animals Program, Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil
| | - Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Rodrigo S N Barreto
- Anatomy of Domestic and Wild Animals Program, Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil
| | - Maria A Miglino
- Anatomy of Domestic and Wild Animals Program, Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Osvaldo Delbono
- Department of Internal Medicine-Gerontology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil; Anatomy of Domestic and Wild Animals Program, Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil; Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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34
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Silva WN, Prazeres PHDM, Paiva AE, Lousado L, Turquetti AOM, Barreto RSN, de Alvarenga EC, Miglino MA, Gonçalves R, Mintz A, Birbrair A. Macrophage-derived GPNMB accelerates skin healing. Exp Dermatol 2018; 27:630-635. [PMID: 29505115 PMCID: PMC6013359 DOI: 10.1111/exd.13524] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2018] [Indexed: 12/22/2022]
Abstract
Healing is a vital response important for the re-establishment of the skin integrity following injury. Delayed or aberrant dermal wound healing leads to morbidity in patients. The development of therapies to improve dermal healing would be useful. Currently, the design of efficient treatments is stalled by the lack of detailed knowledge about the cellular and molecular mechanisms involved in wound healing. Recently, using state-of-the-art technologies, it was revealed that macrophages signal via GPNMB to mesenchymal stem cells, accelerating skin healing. Strikingly, transplantation of macrophages expressing GPNMB improves skin healing in GPNMB-mutant mice. Additionally, topical treatment with recombinant GPNMB restored mesenchymal stem cells recruitment and accelerated wound closure in the diabetic skin. From a drug development perspective, this GPNMB is a new candidate for skin healing.
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Affiliation(s)
- Walison N. Silva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Ana E. Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luiza Lousado
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Anaelise O. M. Turquetti
- Anatomy of Domestic and Wild Animals Program, Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil
| | - Rodrigo S. N. Barreto
- Anatomy of Domestic and Wild Animals Program, Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil
| | - Erika Costa de Alvarenga
- Department of Natural Sciences, Federal University of São João del Rei, São João Del Rey, MG, Brazil
| | - Maria A. Miglino
- Anatomy of Domestic and Wild Animals Program, Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil
| | - Ricardo Gonçalves
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
- Anatomy of Domestic and Wild Animals Program, Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil
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35
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Paiva AE, Lousado L, Guerra DAP, Azevedo PO, Sena IFG, Andreotti JP, Santos GSP, Gonçalves R, Mintz A, Birbrair A. Pericytes in the Premetastatic Niche. Cancer Res 2018; 78:2779-2786. [PMID: 29789421 PMCID: PMC6044472 DOI: 10.1158/0008-5472.can-17-3883] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 01/29/2018] [Accepted: 03/09/2018] [Indexed: 12/20/2022]
Abstract
The premetastatic niche formed by primary tumor-derived molecules contributes to fixation of cancer metastasis. The design of efficient therapies is limited by the current lack of knowledge about the details of cellular and molecular mechanisms involved in the premetastatic niche formation. Recently, the role of pericytes in the premetastatic niche formation and lung metastatic tropism was explored by using state-of-the-art techniques, including in vivo lineage-tracing and mice with pericyte-specific KLF4 deletion. Strikingly, genetic inactivation of KLF4 in pericytes inhibits pulmonary pericyte expansion and decreases metastasis in the lung. Here, we summarize and evaluate recent advances in the understanding of pericyte contribution to premetastatic niche formation. Cancer Res; 78(11); 2779-86. ©2018 AACR.
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Affiliation(s)
- Ana E Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Luiza Lousado
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Daniel A P Guerra
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Isadora F G Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Gabryella S P Santos
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Ricardo Gonçalves
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, New York
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
- Department of Radiology, Columbia University Medical Center, New York, New York
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36
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Sena IFG, Paiva AE, Prazeres PHDM, Azevedo PO, Lousado L, Bhutia SK, Salmina AB, Mintz A, Birbrair A. Glioblastoma-activated pericytes support tumor growth via immunosuppression. Cancer Med 2018; 7:1232-1239. [PMID: 29479841 PMCID: PMC5911609 DOI: 10.1002/cam4.1375] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 12/26/2017] [Accepted: 01/10/2018] [Indexed: 12/13/2022] Open
Abstract
Glioblastoma multiforme is the most common and aggressive primary brain tumor, with an extremely poor prognosis. The lack of detailed knowledge about the cellular and molecular mechanisms involved in glioblastoma development restricts the design of efficient therapies. A recent study using state-of-art technologies explores the role of pericytes in the glioblastoma microenvironment. Glioblastoma-activated pericytes develop an immunosuppressive phenotype, reducing T-cell activation through the induction of an anti-inflammatory response. Strikingly, pericytes support glioblastoma growth in vitro and in vivo. Here, we describe succinctly the results and implications of the findings reported in pericytes' and glioblastomas' biology. The emerging knowledge from this study will be essential for the treatment of brain tumors.
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Affiliation(s)
- Isadora F. G. Sena
- Department of PathologyFederal University of Minas Gerais (UFMG)Belo HorizonteMGBrazil
| | - Ana E. Paiva
- Department of PathologyFederal University of Minas Gerais (UFMG)Belo HorizonteMGBrazil
| | | | - Patrick O. Azevedo
- Department of PathologyFederal University of Minas Gerais (UFMG)Belo HorizonteMGBrazil
| | - Luiza Lousado
- Department of PathologyFederal University of Minas Gerais (UFMG)Belo HorizonteMGBrazil
| | - Sujit K. Bhutia
- Department of Life ScienceNational Institute of TechnologyRourkelaOdishaIndia
| | - Alla B. Salmina
- Department of BiochemistryKrasnoyarsk State Medical UniversityKrasnoyarskRussia
| | - Akiva Mintz
- Department of RadiologyColumbia University Medical CenterNew YorkNew York
| | - Alexander Birbrair
- Department of PathologyFederal University of Minas Gerais (UFMG)Belo HorizonteMGBrazil
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37
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Costa MA, Paiva AE, Andreotti JP, Cardoso MV, Cardoso CD, Mintz A, Birbrair A. Pericytes constrict blood vessels after myocardial ischemia. J Mol Cell Cardiol 2018; 116:1-4. [PMID: 29371134 PMCID: PMC6089363 DOI: 10.1016/j.yjmcc.2018.01.014] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 01/21/2018] [Indexed: 12/22/2022]
Abstract
No-reflow phenomenon is defined as the reduced blood flow after myocardial ischemia. If prolonged it leads to profound damages in the myocardium. The lack of a detailed knowledge about the cells mediating no-reflow restricts the design of effective therapies. Recently, O'Farrell et al. (2017) by using state-of-the-art technologies, including high-resolution confocal imaging in combination with myocardial ischemia/reperfusion mouse model, reveal that pericytes contribute to the no-reflow phenomenon post-ischemia in the heart. Strikingly, intravenous adenosine increased vascular diameter at pericyte site after cardiac ischemia. This study provides a novel therapeutic target to inhibit no-reflow phenomenon after myocardial ischemia.
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Affiliation(s)
- Matheus A Costa
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana E Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Marcus V Cardoso
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Carlos D Cardoso
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil; Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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38
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Azevedo PO, Sena IFG, Andreotti JP, Carvalho-Tavares J, Alves-Filho JC, Cunha TM, Cunha FQ, Mintz A, Birbrair A. Pericytes modulate myelination in the central nervous system. J Cell Physiol 2018; 233:5523-5529. [PMID: 29215724 DOI: 10.1002/jcp.26348] [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: 09/30/2017] [Accepted: 11/30/2017] [Indexed: 02/06/2023]
Abstract
Multiple sclerosis is a highly prevalent chronic demyelinating disease of the central nervous system. Remyelination is the major therapeutic goal for this disorder. The lack of detailed knowledge about the cellular and molecular mechanisms involved in myelination restricts the design of effective treatments. A recent study by using [De La Fuente et al. (2017) Cell Reports, 20(8): 1755-1764] by using state-of-the-art techniques, including pericyte-deficient mice in combination with induced demyelination, reveal that pericytes participate in central nervous system regeneration. Strikingly, pericytes presence is essential for oligodendrocyte progenitors differentiation and myelin formation during remyelination in the brain. The emerging knowledge from this research will be important for the treatment of multiple sclerosis.
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Affiliation(s)
- Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerias, Brazil
| | - Isadora F G Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerias, Brazil
| | - Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerias, Brazil
| | - Juliana Carvalho-Tavares
- Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Minas Gerias, Brazil
| | - José C Alves-Filho
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, New York
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerias, Brazil.,Department of Radiology, Columbia University Medical Center, New York, New York
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39
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Guerra DAP, Paiva AE, Sena IFG, Azevedo PO, Batista ML, Mintz A, Birbrair A. Adipocytes role in the bone marrow niche. Cytometry A 2018; 93:167-171. [PMID: 29236351 PMCID: PMC6067923 DOI: 10.1002/cyto.a.23301] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 11/21/2017] [Accepted: 11/28/2017] [Indexed: 12/19/2022]
Abstract
Adipocyte infiltration in the bone marrow follows chemotherapy or irradiation. Previous studies indicate that bone marrow fat cells inhibit hematopoietic stem cell function. Recently, Zhou et al. (2017) using state-of-the-art techniques, including sophisticated Cre/loxP technologies, confocal microscopy, in vivo lineage-tracing, flow cytometry, and bone marrow transplantation, reveal that adipocytes promote hematopoietic recovery after irradiation. This study challenges the current view of adipocytes as negative regulators of the hematopoietic stem cells niche, and reopens the discussion about adipocytes' roles in the bone marrow. Strikingly, genetic deletion of stem cell factor specifically from adipocytes leads to deficiency in hematopoietic stem cells, and reduces animal survival after myeloablation, The emerging knowledge from this research will be important for the treatment of multiple hematologic disorders. © 2017 International Society for Advancement of Cytometry.
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Affiliation(s)
- Daniel A. P. Guerra
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana E. Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isadora F. G. Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Patrick O. Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Miguel Luiz Batista
- Laboratory of Adipose Tissue Biology, University of Mogi das Cruzes, Mogi das Cruzes, SP, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
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40
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Azevedo PO, Lousado L, Paiva AE, Andreotti JP, Santos GSP, Sena IFG, Prazeres PHDM, Filev R, Mintz A, Birbrair A. Endothelial cells maintain neural stem cells quiescent in their niche. Neuroscience 2017; 363:62-65. [PMID: 28893649 PMCID: PMC6089873 DOI: 10.1016/j.neuroscience.2017.08.059] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 08/24/2017] [Accepted: 08/31/2017] [Indexed: 01/02/2023]
Abstract
Niches are specialized microenvironments that regulate stem cells' activity. The neural stem cell (NSC) niche defines a zone in which NSCs are retained and produce new cells of the nervous system throughout life. Understanding the signaling mechanisms by which the niche controls the NSC fate is crucial for the success of clinical applications. In a recent study, Sato and colleagues, by using state-of-the-art techniques, including sophisticated in vivo lineage-tracing technologies, provide evidence that endothelial amyloid precursor protein (APP) is an important component of the NSC niche. Strikingly, depletion of APP increased NSC proliferation in the subventricular zone, indicating that endothelial cells negatively regulate NSCs' growth. The emerging knowledge from this research will be important for the treatment of several neurological diseases.
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Affiliation(s)
- Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luiza Lousado
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana E Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Gabryella S P Santos
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isadora F G Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Pedro H D M Prazeres
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Renato Filev
- Laboratory of Neurobiology, Federal University of São Paulo, SP, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil; Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA; Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY, USA.
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41
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Paiva AE, Lousado L, Almeida VM, Andreotti JP, Santos GSP, Azevedo PO, Sena IFG, Prazeres PHDM, Borges IT, Azevedo V, Mintz A, Birbrair A. Endothelial Cells as Precursors for Osteoblasts in the Metastatic Prostate Cancer Bone. Neoplasia 2017; 19:928-931. [PMID: 28957694 PMCID: PMC5619995 DOI: 10.1016/j.neo.2017.08.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 08/20/2017] [Accepted: 08/22/2017] [Indexed: 01/27/2023]
Abstract
Prostate cancer cells metastasize to the bones, causing ectopic bone formation, which results in fractures and pain. The cellular mechanisms underlying new bone production are unknown. In a recent study, Lin and colleagues, by using state-of-the-art techniques, including prostate cancer mouse models in combination with sophisticated in vivo lineage-tracing technologies, revealed that endothelial cells form osteoblasts induced by prostate cancer metastasis in the bone. Strikingly, genetic deletion of osteorix protein from endothelial cells affected prostate cancer-induced osteogenesis in vivo. Deciphering the osteoblasts origin in the bone microenvironment may result in the development of promising new molecular targets for prostate cancer therapy.
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Affiliation(s)
- Ana E Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luiza Lousado
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Viviani M Almeida
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Gabryella S P Santos
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isadora F G Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Pedro H D M Prazeres
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isabella T Borges
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Vasco Azevedo
- Department of General Biology of Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil.
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42
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Montagne A, Zhao Z, Zlokovic BV. Alzheimer's disease: A matter of blood-brain barrier dysfunction? J Exp Med 2017; 214:3151-3169. [PMID: 29061693 PMCID: PMC5679168 DOI: 10.1084/jem.20171406] [Citation(s) in RCA: 433] [Impact Index Per Article: 61.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 09/22/2017] [Accepted: 09/26/2017] [Indexed: 12/22/2022] Open
Abstract
Montagne et al. examine the role of blood–brain barrier (BBB) dysfunction in Alzheimer’s neurodegeneration and how targeting the BBB can influence the course of neurological disorder in transgenic models with human APP, PSEN1 and TAU mutations, APOE4 (major genetic risk), and pericyte degeneration causing loss of BBB integrity. The blood–brain barrier (BBB) keeps neurotoxic plasma-derived components, cells, and pathogens out of the brain. An early BBB breakdown and/or dysfunction have been shown in Alzheimer’s disease (AD) before dementia, neurodegeneration and/or brain atrophy occur. However, the role of BBB breakdown in neurodegenerative disorders is still not fully understood. Here, we examine BBB breakdown in animal models frequently used to study the pathophysiology of AD, including transgenic mice expressing human amyloid-β precursor protein, presenilin 1, and tau mutations, and apolipoprotein E, the strongest genetic risk factor for AD. We discuss the role of BBB breakdown and dysfunction in neurodegenerative process, pitfalls in BBB measurements, and how targeting the BBB can influence the course of neurological disorder. Finally, we comment on future approaches and models to better define, at the cellular and molecular level, the underlying mechanisms between BBB breakdown and neurodegeneration as a basis for developing new therapies for BBB repair to control neurodegeneration.
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Affiliation(s)
- Axel Montagne
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, CA.,Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, CA
| | - Zhen Zhao
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, CA.,Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, CA
| | - Berislav V Zlokovic
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, CA.,Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, CA
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43
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Sena IFG, Borges IT, Lousado L, Azevedo PO, Andreotti JP, Almeida VM, Paiva AE, Santos GSP, Guerra DAP, Prazeres PHDM, Souto L, Mintz A, Birbrair A. LepR+ cells dispute hegemony with Gli1+ cells in bone marrow fibrosis. Cell Cycle 2017; 16:2018-2022. [PMID: 28976809 DOI: 10.1080/15384101.2017.1367072] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Bone marrow fibrosis is a reactive process, and a central pathological feature of primary myelofibrosis. Revealing the origin of fibroblastic cells in the bone marrow is crucial, as these cells are considered an ideal, and essential target for anti-fibrotic therapy. In 2 recent studies, Decker et al. (2017) and Schneider et al. (2017), by using state-of-the-art techniques including in vivo lineage-tracing, provide evidence that leptin receptor (LepR)-expressing and Gli1-expressing cells are responsible for fibrotic tissue deposition in the bone marrow. However, what is the relationship between these 2 bone marrow cell populations, and what are their relative contributions to bone marrow fibrosis remain unclear. From a drug development perspective, these works bring new cellular targets for bone marrow fibrosis.
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Affiliation(s)
- Isadora F G Sena
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Isabella T Borges
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Luiza Lousado
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Patrick O Azevedo
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Julia P Andreotti
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Viviani M Almeida
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Ana E Paiva
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Gabryella S P Santos
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Daniel A P Guerra
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Pedro H D M Prazeres
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Luanny Souto
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil
| | - Akiva Mintz
- b Department of Radiology , Columbia University Medical Center , New York , NY , USA
| | - Alexander Birbrair
- a Department of Pathology , Federal University of Minas Gerais , Belo Horizonte , MG , Brazil.,c Department of Cell Biology , Albert Einstein College of Medicine , Bronx , NY , USA.,d Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine , Bronx , NY , USA
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44
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Sena IFG, Prazeres PHDM, Santos GSP, Borges IT, Azevedo PO, Andreotti JP, Almeida VM, Paiva AE, Guerra DAP, Lousado L, Souto L, Mintz A, Birbrair A. Identity of Gli1 + cells in the bone marrow. Exp Hematol 2017; 54:12-16. [PMID: 28690072 PMCID: PMC6076853 DOI: 10.1016/j.exphem.2017.06.349] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 06/25/2017] [Accepted: 06/28/2017] [Indexed: 12/31/2022]
Abstract
Bone marrow fibrosis is a critical component of primary myelofibrosis in which normal bone marrow tissue and blood-forming cells are gradually replaced with scar tissue. The specific cellular and molecular mechanisms that cause bone marrow fibrosis are not understood. A recent study using state-of-the-art techniques, including in vivo lineage tracing, provides evidence that Gli1+ cells are the cells responsible for fibrotic disease in the bone marrow. Strikingly, genetic depletion of Gli1+ cells rescues bone marrow failure and abolishes myelofibrosis. This work introduces a new central cellular target for bone marrow fibrosis. The knowledge that emerges from this research will be important for the treatment of several malignant and nonmalignant disorders.
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Affiliation(s)
- Isadora F G Sena
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Pedro H D M Prazeres
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Gabryella S P Santos
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isabella T Borges
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Viviani M Almeida
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana E Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Daniel A P Guerra
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luiza Lousado
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luanny Souto
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Wake Forest School of Medicine, Winston Salem, NC, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil; Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA; Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY, USA.
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45
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Almeida VM, Paiva AE, Sena IFG, Mintz A, Magno LAV, Birbrair A. Pericytes Make Spinal Cord Breathless after Injury. Neuroscientist 2017; 24:440-447. [PMID: 29283016 DOI: 10.1177/1073858417731522] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Traumatic spinal cord injury is a devastating condition that leads to significant neurological deficits and reduced quality of life. Therapeutic interventions after spinal cord lesions are designed to address multiple aspects of the secondary damage. However, the lack of detailed knowledge about the cellular and molecular changes that occur after spinal cord injury restricts the design of effective treatments. Li and colleagues using a rat model of spinal cord injury and in vivo microscopy reveal that pericytes play a key role in the regulation of capillary tone and blood flow in the spinal cord below the site of the lesion. Strikingly, inhibition of specific proteins expressed by pericytes after spinal cord injury diminished hypoxia and improved motor function and locomotion of the injured rats. This work highlights a novel central cellular population that might be pharmacologically targeted in patients with spinal cord trauma. The emerging knowledge from this research may provide new approaches for the treatment of spinal cord injury.
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Affiliation(s)
- Viviani M Almeida
- 1 Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana E Paiva
- 1 Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Isadora F G Sena
- 1 Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- 2 Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Luiz Alexandre V Magno
- 3 Department of Mental Health, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Alexander Birbrair
- 1 Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil.,4 Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA.,5 Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY, USA
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46
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Prazeres PHDM, Almeida VM, Lousado L, Andreotti JP, Paiva AE, Santos GSP, Azevedo PO, Souto L, Almeida GG, Filev R, Mintz A, Gonçalves R, Birbrair A. Macrophages Generate Pericytes in the Developing Brain. Cell Mol Neurobiol 2017; 38:777-782. [PMID: 28894964 DOI: 10.1007/s10571-017-0549-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 09/06/2017] [Indexed: 01/01/2023]
Abstract
Pericytes are defined by their anatomical location encircling blood vessels' walls with their long projections. The exact embryonic sources of cerebral pericytes remain poorly understood, especially because of their recently revealed diversity. Yamamoto et al. (Sci Rep 7(1):3855, 2017) using state-of-the-art techniques, including several transgenic mice models, reveal that a subpopulation of brain pericytes are derived from phagocytic macrophages during vascular development. This work highlights a new possible ancestor of brain pericytes. The emerging knowledge from this research may provide new approaches for the treatment of several neurodevelopmental disorders in the future.
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Affiliation(s)
- Pedro H D M Prazeres
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Viviani M Almeida
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luiza Lousado
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Julia P Andreotti
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana E Paiva
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Gabryella S P Santos
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Patrick O Azevedo
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luanny Souto
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Gregório G Almeida
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Renato Filev
- Laboratory of Neurobiology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Ricardo Gonçalves
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil.
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