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Jiang T, Huang J, Xu B, Ge Z, Li Y, Wei L, Yu L, Li J. Human amniotic epithelial stem cell-derived dopaminergic neuron-like cells ameliorate motor dysfunction in a rat model of Parkinson's disease. Life Sci 2024; 351:122816. [PMID: 38862064 DOI: 10.1016/j.lfs.2024.122816] [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: 02/19/2024] [Revised: 06/05/2024] [Accepted: 06/05/2024] [Indexed: 06/13/2024]
Abstract
AIMS Parkinson's disease (PD) remains a substantial clinical challenge due to the progressive loss of midbrain dopaminergic (DA) neurons in nigrostriatal pathway. In this study, human amniotic epithelial stem cells (hAESCs)-derived dopaminergic neuron-like cells (hAESCs-DNLCs) were generated, with the aim of providing new therapeutic approach to PD. MATERIALS AND METHODS hAESCs, which were isolated from discarded placentas, were induced to differentiate into hAESCs-DNLCs by following a "two stages" induction protocol. The differentiation efficiency was assessed by quantitative real-time PCR (qRT-PCR), immunocytochemistry (ICC), and ELISA. Immunogenicity, cell viability and tumorigenicity of hAESCs-DNLC were analyzed before in vivo experiments. Subsequently, hAESCs-DNLCs were transplanted into PD rats, behavioral tests were monitored after graft, and the regeneration of DA neurons was detected by immunohistochemistry (IHC). Furthermore, to trace hAESCs-DNLCs in vivo, cells were pre-labeled with PKH67 green fluorescence. KEY FINDINGS hAESCs were positive for pluripotent markers and highly expressed neural stem cells (NSCs) markers. Based on this, we established an induction method reliably generates hAESCs-DNLCs, which was evidenced by epithelium-to-neuron morphological changes, elevated expressions of neuronal and DA neuronal markers, and increased secretion of dopamine. Moreover, hAESCs-DNLCs maintained high cell viability, no tumorigenicity and low immunogenicity, suggesting hAESCs-DNLCs an attractive implant for PD therapy. Transplantation of hAESCs-DNLCs into PD rats significantly ameliorated motor disorders, as well as enhanced the reinnervation of TH+ DA neurons in nigrostriatal pathway. SIGNIFICANCE Our study has demonstrated evident therapeutic effects of hAESCs-DNLCs, and provides a safe and promising solution for PD.
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Affiliation(s)
- Tuoying Jiang
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China
| | - Jianan Huang
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China; Eye Center, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou 310009, Zhejiang Province, PR China
| | - Bo Xu
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China
| | - Zhen Ge
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou 310013, Zhejiang Province, PR China
| | - Yi Li
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China
| | - Leiting Wei
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China
| | - Luyang Yu
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China.
| | - Jinying Li
- MOE Laboratory of Biosystems Homeostasis & Protection & College of Life Sciences-iCell Biotechnology Regenerative Biomedicine Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China; College of Traditional Chinese Medicine and Health Industry, Lishui University, Lishui 323000, Zhejiang Province, PR China.
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2
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Ventriglia S, Kalcheim C. From neural tube to spinal cord: The dynamic journey of the dorsal neuroepithelium. Dev Biol 2024; 511:26-38. [PMID: 38580174 DOI: 10.1016/j.ydbio.2024.04.001] [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: 02/07/2024] [Revised: 03/21/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
In a developing embryo, formation of tissues and organs is remarkably precise in both time and space. Through cell-cell interactions, neighboring progenitors coordinate their activities, sequentially generating distinct types of cells. At present, we only have limited knowledge, rather than a systematic understanding, of the underlying logic and mechanisms responsible for cell fate transitions. The formation of the dorsal aspect of the spinal cord is an outstanding model to tackle these dynamics, as it first generates the peripheral nervous system and is later responsible for transmitting sensory information from the periphery to the brain and for coordinating local reflexes. This is reflected first by the ontogeny of neural crest cells, progenitors of the peripheral nervous system, followed by formation of the definitive roof plate of the central nervous system and specification of adjacent interneurons, then a transformation of roof plate into dorsal radial glia and ependyma lining the forming central canal. How do these peripheral and central neural branches segregate from common progenitors? How are dorsal radial glia established concomitant with transformation of the neural tube lumen into a central canal? How do the dorsal radial glia influence neighboring cells? This is only a partial list of questions whose clarification requires the implementation of experimental paradigms in which precise control of timing is crucial. Here, we outline some available answers and still open issues, while highlighting the contributions of avian models and their potential to address mechanisms of neural patterning and function.
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Affiliation(s)
- Susanna Ventriglia
- Department of Medical Neurobiology, Institute of Medical Research Israel-Canada (IMRIC) and the Edmond and Lily Safra Center for Brain Sciences (ELSC), Hebrew University of Jerusalem-Hadassah Medical School, Jerusalem, 9112102, P.O.Box 12272, Israel.
| | - Chaya Kalcheim
- Department of Medical Neurobiology, Institute of Medical Research Israel-Canada (IMRIC) and the Edmond and Lily Safra Center for Brain Sciences (ELSC), Hebrew University of Jerusalem-Hadassah Medical School, Jerusalem, 9112102, P.O.Box 12272, Israel.
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3
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Wu C, Liu S, Zhou L, Chen Z, Yang Q, Cui Y, Chen M, Li L, Ke B, Li C, Yin S. Cellular and Molecular Insights into the Divergence of Neural Stem Cells on Matrigel and Poly-l-lysine Interfaces. ACS APPLIED MATERIALS & INTERFACES 2024; 16:31922-31935. [PMID: 38874539 PMCID: PMC11212020 DOI: 10.1021/acsami.4c02575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 06/15/2024]
Abstract
Poly-l-lysine (PLL) and Matrigel, both classical coating materials for culture substrates in neural stem cell (NSC) research, present distinct interfaces whose effect on NSC behavior at cellular and molecular levels remains ambiguous. Our investigation reveals intriguing disparities: although both PLL and Matrigel interfaces are hydrophilic and feature amine functional groups, Matrigel stands out with lower stiffness and higher roughness. Based on this diversity, Matrigel surpasses PLL, driving NSC adhesion, migration, and proliferation. Intriguingly, PLL promotes NSC differentiation into astrocytes, whereas Matrigel favors neural differentiation and the physiological maturation of neurons. At the molecular level, Matrigel showcases a wider upregulation of genes linked to NSC behavior. Specifically, it enhances ECM-receptor interaction, activates the YAP transcription factor, and heightens glycerophospholipid metabolism, steering NSC proliferation and neural differentiation. Conversely, PLL upregulates genes associated with glial cell differentiation and amino acid metabolism and elevates various amino acid levels, potentially linked to its support for astrocyte differentiation. These distinct transcriptional and metabolic activities jointly shape the divergent NSC behavior on these substrates. This study significantly advances our understanding of substrate regulation on NSC behavior, offering novel insights into optimizing and targeting the application of these surface coating materials in NSC research.
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Affiliation(s)
- Cuiping Wu
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Suru Liu
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Lei Zhou
- Department
of Otorhinolaryngology-Head and Neck Surgery, Zhongshan Hospital Affiliated to Fudan University, Shanghai 200032, China
| | - Zhengnong Chen
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Quanjun Yang
- Department
of Pharmacy, Shanghai Sixth People’s
Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Yaqi Cui
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Ming Chen
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Linpeng Li
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Bingbing Ke
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Chunyan Li
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Shankai Yin
- Shanghai
Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology-Head
and Neck Surgery, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai Sixth People’s Hospital Affiliated
to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
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Constantinou M, Nicholson J, Zhang X, Maniati E, Lucchini S, Rosser G, Vinel C, Wang J, Lim YM, Brandner S, Nelander S, Badodi S, Marino S. Lineage specification in glioblastoma is regulated by METTL7B. Cell Rep 2024; 43:114309. [PMID: 38848215 DOI: 10.1016/j.celrep.2024.114309] [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: 11/08/2023] [Revised: 04/10/2024] [Accepted: 05/16/2024] [Indexed: 06/09/2024] Open
Abstract
Glioblastomas are the most common malignant brain tumors in adults; they are highly aggressive and heterogeneous and show a high degree of plasticity. Here, we show that methyltransferase-like 7B (METTL7B) is an essential regulator of lineage specification in glioblastoma, with an impact on both tumor size and invasiveness. Single-cell transcriptomic analysis of these tumors and of cerebral organoids derived from expanded potential stem cells overexpressing METTL7B reveal a regulatory role for the gene in the neural stem cell-to-astrocyte differentiation trajectory. Mechanistically, METTL7B downregulates the expression of key neuronal differentiation players, including SALL2, via post-translational modifications of histone marks.
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Affiliation(s)
- Myrianni Constantinou
- Brain Tumour Research Centre, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK
| | - James Nicholson
- Brain Tumour Research Centre, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK
| | - Xinyu Zhang
- Brain Tumour Research Centre, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK
| | - Eleni Maniati
- Barts Cancer Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6AS, UK
| | - Sara Lucchini
- Brain Tumour Research Centre, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK
| | - Gabriel Rosser
- Brain Tumour Research Centre, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK
| | - Claire Vinel
- Brain Tumour Research Centre, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK
| | - Jun Wang
- Barts Cancer Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6AS, UK
| | - Yau Mun Lim
- Division of Neuropathology, The National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, and Department of Neurodegenerative Disease, Queen Square, Institute of Neurology, University College London, Queen Square, London, UK
| | - Sebastian Brandner
- Division of Neuropathology, The National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, and Department of Neurodegenerative Disease, Queen Square, Institute of Neurology, University College London, Queen Square, London, UK
| | - Sven Nelander
- Department of Immunology Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Sara Badodi
- Brain Tumour Research Centre, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK
| | - Silvia Marino
- Brain Tumour Research Centre, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK.
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Marin-Rodero M, Reyes EC, Walker AJ, Jayewickreme T, Pinho-Ribeiro FA, Richardson Q, Jackson R, Chiu IM, Benoist C, Stevens B, Trejo JL, Mathis D. The meninges host a unique compartment of regulatory T cells that bulwarks adult hippocampal neurogenesis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.17.599387. [PMID: 38948783 PMCID: PMC11212874 DOI: 10.1101/2024.06.17.599387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Our knowledge about the meningeal immune system has recently burgeoned, particularly our understanding of how innate and adaptive effector cells are mobilized to meet brain challenges. However, information on how meningeal immunocytes guard brain homeostasis in healthy individuals remains sparse. This study highlights the heterogeneous and polyfunctional regulatory-T (Treg) cell compartment in the meninges. A Treg subtype specialized in controlling Th1-cell responses and another known to control responses in B-cell follicles were substantial components of this compartment, foretelling that punctual Treg-cell ablation rapidly unleashed interferon-gamma production by meningeal lymphocytes, unlocked their access to the brain parenchyma, and altered meningeal B-cell profiles. Distally, the hippocampus assumed a reactive state, with morphological and transcriptional changes in multiple glial-cell types; within the dentate gyrus, neural stem cells showed exacerbated death and desisted from further differentiation, associated with inhibition of spatial-reference memory. Thus, meningeal Treg cells are a multifaceted bulwark to brain homeostasis at steady-state. One sentence summary A distinct population of regulatory T cells in the murine meninges safeguards homeostasis by keeping local interferon-γ-producing lymphocytes in check, thereby preventing their invasion of the parenchyma, activation of hippocampal glial cells, death of neural stem cells, and memory decay.
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Tao G, Yang S, Xu J, Wang L, Yang B. Global research trends and hotspots of artificial intelligence research in spinal cord neural injury and restoration-a bibliometrics and visualization analysis. Front Neurol 2024; 15:1361235. [PMID: 38628700 PMCID: PMC11018935 DOI: 10.3389/fneur.2024.1361235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Accepted: 03/19/2024] [Indexed: 04/19/2024] Open
Abstract
Background Artificial intelligence (AI) technology has made breakthroughs in spinal cord neural injury and restoration in recent years. It has a positive impact on clinical treatment. This study explores AI research's progress and hotspots in spinal cord neural injury and restoration. It also analyzes research shortcomings related to this area and proposes potential solutions. Methods We used CiteSpace 6.1.R6 and VOSviewer 1.6.19 to research WOS articles on AI research in spinal cord neural injury and restoration. Results A total of 1,502 articles were screened, in which the United States dominated; Kadone, Hideki (13 articles, University of Tsukuba, JAPAN) was the author with the highest number of publications; ARCH PHYS MED REHAB (IF = 4.3) was the most cited journal, and topics included molecular biology, immunology, neurology, sports, among other related areas. Conclusion We pinpointed three research hotspots for AI research in spinal cord neural injury and restoration: (1) intelligent robots and limb exoskeletons to assist rehabilitation training; (2) brain-computer interfaces; and (3) neuromodulation and noninvasive electrical stimulation. In addition, many new hotspots were discussed: (1) starting with image segmentation models based on convolutional neural networks; (2) the use of AI to fabricate polymeric biomaterials to provide the microenvironment required for neural stem cell-derived neural network tissues; (3) AI survival prediction tools, and transcription factor regulatory networks in the field of genetics were discussed. Although AI research in spinal cord neural injury and restoration has many benefits, the technology has several limitations (data and ethical issues). The data-gathering problem should be addressed in future research, which requires a significant sample of quality clinical data to build valid AI models. At the same time, research on genomics and other mechanisms in this field is fragile. In the future, machine learning techniques, such as AI survival prediction tools and transcription factor regulatory networks, can be utilized for studies related to the up-regulation of regeneration-related genes and the production of structural proteins for axonal growth.
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Affiliation(s)
- Guangyi Tao
- College of Orthopedics and Traumatology, Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Shun Yang
- Department of Pain, Henan Provincial Hospital of Traditional Chinese Medicine/The Second Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Junjie Xu
- College of Orthopedics and Traumatology, Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Linzi Wang
- College of Orthopedics and Traumatology, Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Bin Yang
- Department of Pain, Henan Provincial Hospital of Traditional Chinese Medicine/The Second Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou, China
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Zhang J, Suo M, Wang J, Liu X, Huang H, Wang K, Liu X, Sun T, Li Z, Liu J. Standardisation is the key to the sustained, rapid and healthy development of stem cell-based therapy. Clin Transl Med 2024; 14:e1646. [PMID: 38572666 PMCID: PMC10993161 DOI: 10.1002/ctm2.1646] [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: 12/08/2023] [Revised: 02/20/2024] [Accepted: 03/17/2024] [Indexed: 04/05/2024] Open
Abstract
BACKGROUND Stem cell-based therapy (SCT) is an important component of regenerative therapy that brings hope to many patients. After decades of development, SCT has made significant progress in the research of various diseases, and the market size has also expanded significantly. The transition of SCT from small-scale, customized experiments to routine clinical practice requires the assistance of standards. Many countries and international organizations around the world have developed corresponding SCT standards, which have effectively promoted the further development of the SCT industry. METHODS We conducted a comprehensive literature review to introduce the clinical application progress of SCT and focus on the development status of SCT standardization. RESULTS We first briefly introduced the types and characteristics of stem cells, and summarized the current clinical application and market development of SCT. Subsequently, we focused on the development status of SCT-related standards as of now from three levels: the International Organization for Standardization (ISO), important international organizations, and national organizations. Finally, we provided perspectives and conclusions on the significance and challenges of SCT standardization. CONCLUSIONS Standardization plays an important role in the sustained, rapid and healthy development of SCT.
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Affiliation(s)
- Jing Zhang
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
| | - Moran Suo
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
| | - Jinzuo Wang
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
| | - Xin Liu
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
| | - Huagui Huang
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
| | - Kaizhong Wang
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
| | - Xiangyan Liu
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
| | - Tianze Sun
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
| | - Zhonghai Li
- Department of OrthopedicsFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic DiseasesDalianLiaoning ProvinceChina
- Stem Cell Clinical Research CenterNational Joint Engineering LaboratoryFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Dalian Innovation Institute of Stem Cell and Precision MedicineDalianLiaoning ProvinceChina
| | - Jing Liu
- Stem Cell Clinical Research CenterNational Joint Engineering LaboratoryFirst Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina
- Dalian Innovation Institute of Stem Cell and Precision MedicineDalianLiaoning ProvinceChina
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Zyuz'kov GN, Losev EA, Suslov NI, Miroshnichenko LA, Polyakova TY, Simanina EV, Stavrova LA, Agafonov VI, Danilets MG, Zhdanov VV. Features of Intracellular Signal Transduction in Neural Stem Cells under the Influence of Alkaloid Songorine, an Agonist of Fibroblast Growth Factor Receptors. Bull Exp Biol Med 2024; 176:576-580. [PMID: 38724808 DOI: 10.1007/s10517-024-06070-7] [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: 07/07/2023] [Indexed: 05/18/2024]
Abstract
We performed a comparative in vitro study of the involvement of NF-κB, PI3K, cAMP, ERK1/2, p38, JAKs, STAT3, JNK, and p53-dependent intracellular signaling in the functioning of neural stem cells (NSC) under the influence of basic fibroblast growth factor (FGF) and FGF receptor agonist, diterpene alkaloid songorine. The significant differences in FGFR-mediated intracellular signaling in NSC were revealed for these ligands. In both cases, stimulation of progenitor cell proliferation occurs with the participation of NF-κB, PI3K, ERK1/2, JAKs, and STAT3, while JNK and p53, on the contrary, inhibit cell cycle progression. However, under the influence of songorin, cAMP- and p38-mediated cascades are additionally involved in the transmission of the NSC division-activating signal. In addition, unlike FGF, the alkaloid stimulates progenitor cell differentiation by activating ERK1/2, p38, JNK, p53, and STAT3.
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Affiliation(s)
- G N Zyuz'kov
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia.
| | - E A Losev
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - N I Suslov
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - L A Miroshnichenko
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - T Yu Polyakova
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - E V Simanina
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - L A Stavrova
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - V I Agafonov
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - M G Danilets
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - V V Zhdanov
- E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
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Xu X, Han Y, Zhang B, Ren Q, Ma J, Liu S. Understanding immune microenvironment alterations in the brain to improve the diagnosis and treatment of diverse brain diseases. Cell Commun Signal 2024; 22:132. [PMID: 38368403 PMCID: PMC10874090 DOI: 10.1186/s12964-024-01509-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: 09/25/2023] [Accepted: 02/01/2024] [Indexed: 02/19/2024] Open
Abstract
Abnormal inflammatory states in the brain are associated with a variety of brain diseases. The dynamic changes in the number and function of immune cells in cerebrospinal fluid (CSF) are advantageous for the early prediction and diagnosis of immune diseases affecting the brain. The aggregated factors and cells in inflamed CSF may represent candidate targets for therapy. The physiological barriers in the brain, such as the blood‒brain barrier (BBB), establish a stable environment for the distribution of resident immune cells. However, the underlying mechanism by which peripheral immune cells migrate into the brain and their role in maintaining immune homeostasis in CSF are still unclear. To advance our understanding of the causal link between brain diseases and immune cell status, we investigated the characteristics of immune cell changes in CSF and the molecular mechanisms involved in common brain diseases. Furthermore, we summarized the diagnostic and treatment methods for brain diseases in which immune cells and related cytokines in CSF are used as targets. Further investigations of the new immune cell subtypes and their contributions to the development of brain diseases are needed to improve diagnostic specificity and therapy.
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Affiliation(s)
- Xiaotong Xu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Yi Han
- Guang'an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, People's Republic of China.
| | - Binlong Zhang
- Guang'an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, People's Republic of China
| | - Quanzhong Ren
- JST Sarcopenia Research Centre, National Center for Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, People's Republic of China
| | - Juan Ma
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China.
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, People's Republic of China
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10
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Li Z, Liu G, Yang L, Sun M, Zhang Z, Xu Z, Gao Y, Jiang X, Su Z, Li X, Yang Z. BMP7 expression in mammalian cortical radial glial cells increases the length of the neurogenic period. Protein Cell 2024; 15:21-35. [PMID: 37300483 PMCID: PMC10762677 DOI: 10.1093/procel/pwad036] [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: 04/16/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
The seat of human intelligence is the human cerebral cortex, which is responsible for our exceptional cognitive abilities. Identifying principles that lead to the development of the large-sized human cerebral cortex will shed light on what makes the human brain and species so special. The remarkable increase in the number of human cortical pyramidal neurons and the size of the human cerebral cortex is mainly because human cortical radial glial cells, primary neural stem cells in the cortex, generate cortical pyramidal neurons for more than 130 days, whereas the same process takes only about 7 days in mice. The molecular mechanisms underlying this difference are largely unknown. Here, we found that bone morphogenic protein 7 (BMP7) is expressed by increasing the number of cortical radial glial cells during mammalian evolution (mouse, ferret, monkey, and human). BMP7 expression in cortical radial glial cells promotes neurogenesis, inhibits gliogenesis, and thereby increases the length of the neurogenic period, whereas Sonic Hedgehog (SHH) signaling promotes cortical gliogenesis. We demonstrate that BMP7 signaling and SHH signaling mutually inhibit each other through regulation of GLI3 repressor formation. We propose that BMP7 drives the evolutionary expansion of the mammalian cortex by increasing the length of the neurogenic period.
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Affiliation(s)
- Zhenmeiyu Li
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Guoping Liu
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Lin Yang
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Mengge Sun
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Zhuangzhi Zhang
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Zhejun Xu
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Yanjing Gao
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Xin Jiang
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Zihao Su
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Xiaosu Li
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
| | - Zhengang Yang
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200433, China
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11
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Liu DD, He JQ, Uchida N, Weissman IL, Sinha R. Prospective isolation of neural stem and progenitor cells from the developing human brain. STAR Protoc 2023; 4:102674. [PMID: 37897731 PMCID: PMC10751551 DOI: 10.1016/j.xpro.2023.102674] [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: 04/14/2023] [Revised: 09/02/2023] [Accepted: 10/05/2023] [Indexed: 10/30/2023] Open
Abstract
Prospective isolation of defined cell types is critical for the functional study of stem cells, especially in primary human tissues. Here, we present a protocol for purifying 10 transcriptomically and functionally distinct neural stem and progenitor cell types from the developing human brain using fluorescence-activated cell sorting. We describe steps for tissue dissociation, staining, and cell sorting as well as downstream functional experiments for measuring clonogenicity, differentiation, and engraftment potential of purified populations. For complete details on the use and execution of this protocol, please refer to Liu et al. (2023).1.
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Affiliation(s)
- Daniel Dan Liu
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Joy Q He
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Nobuko Uchida
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Irving L Weissman
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA; Department of Pathology, Stanford Medicine, Stanford, CA 94305, USA.
| | - Rahul Sinha
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA.
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12
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Roussel-Gervais A, Sgroi S, Cambet Y, Lemeille S, Seredenina T, Krause KH, Jaquet V. Genetic knockout of NTRK2 by CRISPR/Cas9 decreases neurogenesis and favors glial progenitors during differentiation of neural progenitor stem cells. Front Cell Neurosci 2023; 17:1289966. [PMID: 38161998 PMCID: PMC10757602 DOI: 10.3389/fncel.2023.1289966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 11/22/2023] [Indexed: 01/03/2024] Open
Abstract
The tropomyosin receptor kinase B (TrkB) is encoded by the NTRK2 gene. It belongs to the family of transmembrane tyrosine kinases, which have key roles in the development and maintenance of the nervous system. Brain-derived neurotrophic factor (BDNF) and the neurotrophins NT3 and NT4/5 have high affinity for TrkB. Dysregulation of TrkB is associated to a large spectrum of diseases including neurodegeneration, psychiatric diseases and some cancers. The function of TrkB and its role in neural development have mainly been decrypted using transgenic mouse models, pharmacological modulators and human neuronal cell lines overexpressing NTRK2. In this study, we identified high expression and robust activity of TrkB in ReNcell VM, an immortalized human neural progenitor stem cell line and generated NTRK2-deficient (NTRK2-/-) ReNcell VM using the CRISPR/Cas9 gene editing technology. Global transcriptomic analysis revealed major changes in expression of specific genes responsible for neurogenesis, neuronal development and glial differentiation. In particular, key neurogenic transcription factors were massively down-regulated in NTRK2-/- cells, while early glial progenitor markers were enriched in NTRK2-/- cells compared to NTRK2+/+. This indicates a previously undescribed inhibitory role of TrkB on glial differentiation in addition to its well-described pro-neurogenesis role. Altogether, we have generated for the first time a human neural cell line with a loss-of-function mutation of NTRK2, which represents a reproducible and readily available cell culture system to study the role of TrkB during human neural differentiation, analyze the role of TrkB isoforms as well as validate TrkB antibodies and pharmacological agents targeting the TrkB pathway.
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Affiliation(s)
- Audrey Roussel-Gervais
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Stéphanie Sgroi
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Yves Cambet
- READS Unit, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Sylvain Lemeille
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Tamara Seredenina
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Karl-Heinz Krause
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Vincent Jaquet
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- READS Unit, Faculty of Medicine, University of Geneva, Geneva, Switzerland
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13
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Lu Z, Zhang M, Lee J, Sziraki A, Anderson S, Zhang Z, Xu Z, Jiang W, Ge S, Nelson PT, Zhou W, Cao J. Tracking cell-type-specific temporal dynamics in human and mouse brains. Cell 2023; 186:4345-4364.e24. [PMID: 37774676 PMCID: PMC10545416 DOI: 10.1016/j.cell.2023.08.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 05/28/2023] [Accepted: 08/30/2023] [Indexed: 10/01/2023]
Abstract
Progenitor cells are critical in preserving organismal homeostasis, yet their diversity and dynamics in the aged brain remain underexplored. We introduced TrackerSci, a single-cell genomic method that combines newborn cell labeling and combinatorial indexing to characterize the transcriptome and chromatin landscape of proliferating progenitor cells in vivo. Using TrackerSci, we investigated the dynamics of newborn cells in mouse brains across various ages and in a mouse model of Alzheimer's disease. Our dataset revealed diverse progenitor cell types in the brain and their epigenetic signatures. We further quantified aging-associated shifts in cell-type-specific proliferation and differentiation and deciphered the associated molecular programs. Extending our study to the progenitor cells in the aged human brain, we identified conserved genetic signatures across species and pinpointed region-specific cellular dynamics, such as the reduced oligodendrogenesis in the cerebellum. We anticipate that TrackerSci will be broadly applicable to unveil cell-type-specific temporal dynamics in diverse systems.
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Affiliation(s)
- Ziyu Lu
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA; The David Rockefeller Graduate Program in Bioscience, The Rockefeller University, New York, NY, USA
| | - Melissa Zhang
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA
| | - Jasper Lee
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA
| | - Andras Sziraki
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA; The David Rockefeller Graduate Program in Bioscience, The Rockefeller University, New York, NY, USA
| | - Sonya Anderson
- Department of Pathology and Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY, USA
| | - Zehao Zhang
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA; The David Rockefeller Graduate Program in Bioscience, The Rockefeller University, New York, NY, USA
| | - Zihan Xu
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA; The David Rockefeller Graduate Program in Bioscience, The Rockefeller University, New York, NY, USA
| | - Weirong Jiang
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA
| | - Shaoyu Ge
- Department of Neurobiology & Behavior, SUNY at Stony Brook, Stony Brook, NY, USA
| | - Peter T Nelson
- Department of Pathology and Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY, USA
| | - Wei Zhou
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA.
| | - Junyue Cao
- Laboratory of Single Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, USA.
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Li Y, Zhi W, Qi B, Wang L, Hu X. Update on neurobiological mechanisms of fear: illuminating the direction of mechanism exploration and treatment development of trauma and fear-related disorders. Front Behav Neurosci 2023; 17:1216524. [PMID: 37600761 PMCID: PMC10433239 DOI: 10.3389/fnbeh.2023.1216524] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/18/2023] [Indexed: 08/22/2023] Open
Abstract
Fear refers to an adaptive response in the face of danger, and the formed fear memory acts as a warning when the individual faces a dangerous situation again, which is of great significance to the survival of humans and animals. Excessive fear response caused by abnormal fear memory can lead to neuropsychiatric disorders. Fear memory has been studied for a long time, which is of a certain guiding effect on the treatment of fear-related disorders. With continuous technological innovations, the study of fear has gradually shifted from the level of brain regions to deeper neural (micro) circuits between brain regions and even within single brain regions, as well as molecular mechanisms. This article briefly outlines the basic knowledge of fear memory and reviews the neurobiological mechanisms of fear extinction and relapse, which aims to provide new insights for future basic research on fear emotions and new ideas for treating trauma and fear-related disorders.
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Affiliation(s)
- Ying Li
- College of Education, Hebei University, Baoding, China
- Laboratory of Experimental Pathology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Weijia Zhi
- Laboratory of Experimental Pathology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Bing Qi
- College of Education, Hebei University, Baoding, China
| | - Lifeng Wang
- Laboratory of Experimental Pathology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Xiangjun Hu
- College of Education, Hebei University, Baoding, China
- Laboratory of Experimental Pathology, Beijing Institute of Radiation Medicine, Beijing, China
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15
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Ledford H. How stem cells make a human brain. Nature 2023; 615:776-777. [PMID: 36928405 DOI: 10.1038/d41586-023-00762-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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