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Zhou S, Li Y, Zhang Z, Yuan Y. An insight into the TAM system in Alzheimer's disease. Int Immunopharmacol 2023; 116:109791. [PMID: 36738678 DOI: 10.1016/j.intimp.2023.109791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/13/2023] [Accepted: 01/24/2023] [Indexed: 02/05/2023]
Abstract
The TAM receptors may help delay the progression of Alzheimer's disease (AD). AD is the most common neurodegenerative disease associated with human aging. The TAM receptors, derived from the first letter of its three constituents -Tyro3, Axl, and Mertk, are associated with immune responses, cellular differentiation and migration, and clearance of apoptotic cells and debris, with the two canonical ligands, Growth Arrest Specific 6 (Gas6) and ProS1. Several kinds of research have indicated the participation of the TAM system in AD pathology. Also, the TAMs regulate multiple features of microglia, the significant sensors of disorder in the central nervous system (CNS). In this review, we describe the biology of the TAM receptors and ligands in the CNS. Then, we discuss the relationship between the TAM system and AD, specially focusing on its functional expression in the microglia. Finally, we also summarize some agents that could interfere with the TAM signaling pathways and discuss potential difficulties and strategies for drug development.
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Affiliation(s)
- Shiqi Zhou
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Yanyan Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Zhao Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Yuhe Yuan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
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2
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Reemst K, Kracht L, Kotah JM, Rahimian R, van Irsen AAS, Congrains Sotomayor G, Verboon LN, Brouwer N, Simard S, Turecki G, Mechawar N, Kooistra SM, Eggen BJL, Korosi A. Early-life stress lastingly impacts microglial transcriptome and function under basal and immune-challenged conditions. Transl Psychiatry 2022; 12:507. [PMID: 36481769 PMCID: PMC9731997 DOI: 10.1038/s41398-022-02265-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 11/18/2022] [Accepted: 11/23/2022] [Indexed: 12/13/2022] Open
Abstract
Early-life stress (ELS) leads to increased vulnerability to psychiatric disorders including depression later in life. Neuroinflammatory processes have been implicated in ELS-induced negative health outcomes, but how ELS impacts microglia, the main tissue-resident macrophages of the central nervous system, is unknown. Here, we determined the effects of ELS-induced by limited bedding and nesting material during the first week of life (postnatal days [P]2-9) on microglial (i) morphology; (ii) hippocampal gene expression; and (iii) synaptosome phagocytic capacity in male pups (P9) and adult (P200) mice. The hippocampus of ELS-exposed adult mice displayed altered proportions of morphological subtypes of microglia, as well as microglial transcriptomic changes related to the tumor necrosis factor response and protein ubiquitination. ELS exposure leads to distinct gene expression profiles during microglial development from P9 to P200 and in response to an LPS challenge at P200. Functionally, synaptosomes from ELS-exposed mice were phagocytosed less by age-matched microglia. At P200, but not P9, ELS microglia showed reduced synaptosome phagocytic capacity when compared to control microglia. Lastly, we confirmed the ELS-induced increased expression of the phagocytosis-related gene GAS6 that we observed in mice, in the dentate gyrus of individuals with a history of child abuse using in situ hybridization. These findings reveal persistent effects of ELS on microglial function and suggest that altered microglial phagocytic capacity is a key contributor to ELS-induced phenotypes.
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Affiliation(s)
- Kitty Reemst
- grid.7177.60000000084992262Swammerdam Institute for Life Sciences, Center for Neuroscience, Brain Plasticity Group, University of Amsterdam, Amsterdam, Science Park 904, 1098 XH The Netherlands
| | - Laura Kracht
- grid.4494.d0000 0000 9558 4598Department of Biomedical Sciences of Cells & Systems, Section Molecular Neurobiology, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Janssen M. Kotah
- grid.7177.60000000084992262Swammerdam Institute for Life Sciences, Center for Neuroscience, Brain Plasticity Group, University of Amsterdam, Amsterdam, Science Park 904, 1098 XH The Netherlands
| | - Reza Rahimian
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Hospital Research Center, Montreal, QC H4H 1R3 Canada ,grid.14709.3b0000 0004 1936 8649Department of Psychiatry, McGill University, Montreal, QC H3A 1A1 Canada
| | - Astrid A. S. van Irsen
- grid.7177.60000000084992262Swammerdam Institute for Life Sciences, Center for Neuroscience, Brain Plasticity Group, University of Amsterdam, Amsterdam, Science Park 904, 1098 XH The Netherlands
| | - Gonzalo Congrains Sotomayor
- grid.7177.60000000084992262Swammerdam Institute for Life Sciences, Center for Neuroscience, Brain Plasticity Group, University of Amsterdam, Amsterdam, Science Park 904, 1098 XH The Netherlands
| | - Laura N. Verboon
- grid.7177.60000000084992262Swammerdam Institute for Life Sciences, Center for Neuroscience, Brain Plasticity Group, University of Amsterdam, Amsterdam, Science Park 904, 1098 XH The Netherlands
| | - Nieske Brouwer
- grid.4494.d0000 0000 9558 4598Department of Biomedical Sciences of Cells & Systems, Section Molecular Neurobiology, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Sophie Simard
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Hospital Research Center, Montreal, QC H4H 1R3 Canada ,grid.14709.3b0000 0004 1936 8649Department of Psychiatry, McGill University, Montreal, QC H3A 1A1 Canada
| | - Gustavo Turecki
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Hospital Research Center, Montreal, QC H4H 1R3 Canada ,grid.14709.3b0000 0004 1936 8649Department of Psychiatry, McGill University, Montreal, QC H3A 1A1 Canada
| | - Naguib Mechawar
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Hospital Research Center, Montreal, QC H4H 1R3 Canada ,grid.14709.3b0000 0004 1936 8649Department of Psychiatry, McGill University, Montreal, QC H3A 1A1 Canada
| | - Susanne M. Kooistra
- grid.4494.d0000 0000 9558 4598Department of Biomedical Sciences of Cells & Systems, Section Molecular Neurobiology, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Bart J. L. Eggen
- grid.4494.d0000 0000 9558 4598Department of Biomedical Sciences of Cells & Systems, Section Molecular Neurobiology, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Aniko Korosi
- Swammerdam Institute for Life Sciences, Center for Neuroscience, Brain Plasticity Group, University of Amsterdam, Amsterdam, Science Park 904, 1098 XH, The Netherlands.
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Abstract
Tyro3, Axl and Mertk are members of the TAM family of tyrosine kinase receptors. TAMs are activated by two structurally homologous ligands GAS6 and PROS1. TAM receptors and ligands are widely distributed and often co-expressed in the same cells allowing diverse functions across many systems including the immune, reproductive, vascular, and the developing as well as adult nervous systems. This review will focus specifically on TAM signaling in the nervous system, highlighting the essential roles this pathway fulfills in maintaining cell survival and homeostasis, cellular functions such as phagocytosis, immunity and tissue repair. Dysfunctional TAM signaling can cause complications in development, disruptions in homeostasis which can rouse autoimmunity, neuroinflammation and neurodegeneration. The development of therapeutics modulating TAM activities in the nervous system has great prospects, however, foremost we need a complete understanding of TAM signaling pathways.
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Affiliation(s)
- Tal Burstyn-Cohen
- Institute for Dental Sciences, Faculty of Dental Medicine, The Hebrew University-Hadassah, Jerusalem, Israel
| | - Arielle Hochberg
- Institute for Dental Sciences, Faculty of Dental Medicine, The Hebrew University-Hadassah, Jerusalem, Israel
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Gharbaran R, Somenarain L. Putative Cellular and Molecular Roles of Zika Virus in Fetal and Pediatric Neuropathologies. Pediatr Dev Pathol 2019; 22:5-21. [PMID: 30149771 DOI: 10.1177/1093526618790742] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Although the World Health Organization declared an end to the recent Zika virus (ZIKV) outbreak and its association with adverse fetal and pediatric outcome, on November 18, 2016, the virus still remains a severe public health threat. Laboratory experiments thus far supported the suspicions that ZIKV is a teratogenic agent. Evidence indicated that ZIKV infection cripples the host cells' innate immune responses, allowing productive replication and potential dissemination of the virus. In addition, studies suggest potential transplacental passage of the virus and subsequent selective targeting of neural progenitor cells (NPCs). Depletion of NPCs by ZIKV is associated with restricted brain growth. And while microcephaly can result from infection at any gestational stages, the risk is greater during the first trimester. Although a number of recent studies revealed some of specific molecular and cellular roles of ZIKV proteins of this mosquito-borne flavivirus, the mechanisms by which it produces it suspected pathophysiological effects are not completely understood. Thus, this review highlights the cellular and molecular evidence that implicate ZIKV in fetal and pediatric neuropathologies.
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Affiliation(s)
- Rajendra Gharbaran
- 1 Department of Biological Sciences, Bronx Community College, The City University of New York, Bronx, New York
| | - Latchman Somenarain
- 1 Department of Biological Sciences, Bronx Community College, The City University of New York, Bronx, New York
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Russo FB, Jungmann P, Beltrão-Braga PCB. Zika infection and the development of neurological defects. Cell Microbiol 2017; 19. [PMID: 28370966 DOI: 10.1111/cmi.12744] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 03/12/2017] [Accepted: 03/28/2017] [Indexed: 12/22/2022]
Abstract
Starting with the outbreak in Brazil, Zika virus (ZIKV) infection has been correlated with severe syndromes such as congenital Zika syndrome and Guillain-Barré syndrome. Here, we review the status of Zika virus pathogenesis in the central nervous system (CNS). One of the main concerns about ZIKV exposure during pregnancy is abnormal brain development, which results in microcephaly in newborns. Recent advances in in vitro research show that ZIKV can infect and obliterate cells from the CNS, such as progenitors, neurons, and glial cells. Neural progenitor cells seem to be the main target of the virus, with infection leading to less cell migration, neurogenesis impairment, cell death and, consequently, microcephaly in newborns. The downsizing of the brain can be directly associated with defective development of the cortical layer. In addition, in vivo investigations in mice reveal that ZIKV can cross the placenta and migrate to fetuses, but with a significant neurotropism, which results in brain damage for the pups. Another finding shows that hydrocephaly is an additional consequence of ZIKV infection, being detected during embryonic and fetal development in mouse, as well as after birth in humans. In spite of the advances in ZIKV research in the last year, the mechanisms underlying ZIKV infection in the CNS require further investigation particularly as there are currently no treatments or vaccines against ZIKV infection.
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Affiliation(s)
- Fabiele Baldino Russo
- Department of Surgery, University of São Paulo, São Paulo, Brazil.,Department of Microbiology, University of São Paulo, São Paulo, Brazil
| | - Patricia Jungmann
- Department of Pathology, University of Pernambuco, Recife, Pernambuco, Brazil
| | - Patricia Cristina Baleeiro Beltrão-Braga
- Department of Surgery, University of São Paulo, São Paulo, Brazil.,Department of Microbiology, University of São Paulo, São Paulo, Brazil.,Department of Obstetrics, School of Arts Sciences and Humanities, São Paulo, Brazil
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Russo FB, Beltrão-Braga PCB. The impact of Zika virus in the brain. Biochem Biophys Res Commun 2017; 492:603-607. [PMID: 28108286 DOI: 10.1016/j.bbrc.2017.01.074] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 01/16/2017] [Indexed: 11/27/2022]
Abstract
The recent outbreak of ZIKV in Brazil called the attention of the world because the effects of viral infection in the brain under development in fetuses. Consequences of vertical infection comprise brain malformation, especially microcephaly, eye and musculoskeletal abnormalities, among others. In adults, outcomes of infection include meningoencephalitis and Guillain-Barré Syndrome. Recent data specific suggest that neural progenitor cells are the main targets of ZIKV infection, causing massive cellular death and impairment in the neurogenesis process. Here we review the fetal and adult brain damage after ZIKV exposure, exploring models to study the mechanisms underlying the pathways related to microcephaly and cell death.
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Affiliation(s)
- Fabiele Baldino Russo
- University of São Paulo, Department of Surgery, Stem Cell Laboratory, São Paulo, São Paulo, 05508-270, Brazil
| | - Patricia Cristina Baleeiro Beltrão-Braga
- University of São Paulo, Department of Surgery, Stem Cell Laboratory, São Paulo, São Paulo, 05508-270, Brazil; School of Arts Sciences and Humanities, Department of Obstetrics, São Paulo, SP, 03828-000, Brazil.
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