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Keeler AB, Van Deusen AL, Gadani IC, Williams CM, Goggin SM, Hirt AK, Vradenburgh SA, Fread KI, Puleo EA, Jin L, Calhan OY, Deppmann CD, Zunder ER. A developmental atlas of somatosensory diversification and maturation in the dorsal root ganglia by single-cell mass cytometry. Nat Neurosci 2022; 25:1543-1558. [PMID: 36303068 PMCID: PMC10691656 DOI: 10.1038/s41593-022-01181-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 09/08/2022] [Indexed: 01/13/2023]
Abstract
Precisely controlled development of the somatosensory system is essential for detecting pain, itch, temperature, mechanical touch and body position. To investigate the protein-level changes that occur during somatosensory development, we performed single-cell mass cytometry on dorsal root ganglia from C57/BL6 mice of both sexes, with litter replicates collected daily from embryonic day 11.5 to postnatal day 4. Measuring nearly 3 million cells, we quantified 30 molecularly distinct somatosensory glial and 41 distinct neuronal states across all timepoints. Analysis of differentiation trajectories revealed rare cells that co-express two or more Trk receptors and over-express stem cell markers, suggesting that these neurotrophic factor receptors play a role in cell fate specification. Comparison to previous RNA-based studies identified substantial differences between many protein-mRNA pairs, demonstrating the importance of protein-level measurements to identify functional cell states. Overall, this study demonstrates that mass cytometry is a high-throughput, scalable platform to rapidly phenotype somatosensory tissues.
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Affiliation(s)
- Austin B Keeler
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
| | - Amy L Van Deusen
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Irene C Gadani
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Corey M Williams
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Sarah M Goggin
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Ashley K Hirt
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
| | - Shayla A Vradenburgh
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Kristen I Fread
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Emily A Puleo
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Lucy Jin
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
| | - O Yipkin Calhan
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
| | - Christopher D Deppmann
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA.
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA.
- Department of Neuroscience, School of Medicine, University of Virginia, Charlottesville, VA, USA.
- Department of Cell Biology, School of Medicine, University of Virginia, Charlottesville, VA, USA.
- Program in Fundamental Neuroscience, College of Arts and Sciences, Charlottesville, VA, USA.
| | - Eli R Zunder
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA.
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA.
- Program in Fundamental Neuroscience, College of Arts and Sciences, Charlottesville, VA, USA.
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Ménard M, Costechareyre C, Coelho-Aguiar JM, Jarrosson-Wuilleme L, Rama N, Blachier J, Kindbeiter K, Bozon M, Cabrera JR, Dupin E, Le Douarin N, Mehlen P, Tauszig-Delamasure S. The dependence receptor TrkC regulates the number of sensory neurons during DRG development. Dev Biol 2018; 442:249-261. [DOI: 10.1016/j.ydbio.2018.07.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 07/17/2018] [Accepted: 07/26/2018] [Indexed: 11/28/2022]
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Cheng I, Jin L, Rose LC, Deppmann CD. Temporally restricted death and the role of p75NTR as a survival receptor in the developing sensory nervous system. Dev Neurobiol 2018; 78:701-717. [PMID: 29569362 PMCID: PMC6023755 DOI: 10.1002/dneu.22591] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 02/26/2018] [Accepted: 03/16/2018] [Indexed: 11/05/2022]
Abstract
The peripheral somatosensory system overproduces neurons early in development followed by a period of cell death during final target innervation. The decision to survive or die in somatosensory neurons of the dorsal root ganglion (DRG) is mediated by target-derived neurotrophic factors and their cognate receptors. Subsets of peripheral somatosensory neurons can be crudely defined by the neurotrophic receptors that they express: peptidergic nociceptors (TrkA+), nonpeptidergic nociceptors (Ret+), mechanoreceptors (Ret+ or TrkB+), and proprioceptors (TrkC+). A direct comparison of early developmental timing between these subsets has not been performed. Here we characterized the accumulation and death of TrkA, B, C, and Ret+ neurons in the DRG as a function of developmental time. We find that TrkB, TrkC, and Ret-expressing neurons in the DRG complete developmental cell death prior to TrkA-expressing neurons. Given the broadly defined roles of the neurotrophin receptor p75NTR in augmenting neurotrophic signaling in sensory neurons, we investigated its role in supporting the survival of these distinct subpopulations. We find that TrkA+, TrkB+, and TrkC+ sensory neuron subpopulations require p75NTR for survival, but proliferating progenitors do not. These data demonstrate how diverging sensory neurons undergo successive waves of cell death and how p75NTR represses the magnitude, but not developmental window of this culling. © 2018 Wiley Periodicals, Inc. Develop Neurobiol 78: 701-717, 2018.
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Affiliation(s)
- Irene Cheng
- Department of Biology, University of Virginia, Charlottesville, VA 22903, USA
- Neuroscience Graduate Program, University of Virginia, Charlottesville, VA 22903, USA
| | - Lucy Jin
- Department of Biology, University of Virginia, Charlottesville, VA 22903, USA
| | - Lucy C. Rose
- Department of Biology, University of Virginia, Charlottesville, VA 22903, USA
| | - Christopher D. Deppmann
- Department of Biology, University of Virginia, Charlottesville, VA 22903, USA
- Department of Cell Biology, University of Virginia, Charlottesville, VA 22903, USA
- Department of Biomedical Engineering University of Virginia, Charlottesville, VA 22903, USA
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Estève D, Boulet N, Volat F, Zakaroff-Girard A, Ledoux S, Coupaye M, Decaunes P, Belles C, Gaits-Iacovoni F, Iacovoni JS, Rémaury A, Castel B, Ferrara P, Heymes C, Lafontan M, Bouloumié A, Galitzky J. Human white and brite adipogenesis is supported by MSCA1 and is impaired by immune cells. Stem Cells 2016; 33:1277-91. [PMID: 25523907 DOI: 10.1002/stem.1916] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Revised: 11/04/2014] [Accepted: 11/08/2014] [Indexed: 11/10/2022]
Abstract
Obesity-associated inflammation contributes to the development of metabolic diseases. Although brite adipocytes have been shown to ameliorate metabolic parameters in rodents, their origin and differentiation remain to be characterized in humans. Native CD45-/CD34+/CD31- cells have been previously described as human adipocyte progenitors. Using two additional cell surface markers, MSCA1 (tissue nonspecific alkaline phosphatase) and CD271 (nerve growth factor receptor), we are able to partition the CD45-/CD34+/CD31- cell population into three subsets. We establish serum-free culture conditions without cell expansion to promote either white/brite adipogenesis using rosiglitazone, or bone morphogenetic protein 7 (BMP7), or specifically brite adipogenesis using 3-isobuthyl-1-methylxanthine. We demonstrate that adipogenesis leads to an increase of MSCA1 activity, expression of white/brite adipocyte-related genes, and mitochondriogenesis. Using pharmacological inhibition and gene silencing approaches, we show that MSCA1 activity is required for triglyceride accumulation and for the expression of white/brite-related genes in human cells. Moreover, native immunoselected MSCA1+ cells exhibit brite precursor characteristics and the highest adipogenic potential of the three progenitor subsets. Finally, we provided evidence that MSCA1+ white/brite precursors accumulate with obesity in subcutaneous adipose tissue (sAT), and that local BMP7 and inflammation regulate brite adipogenesis by modulating MSCA1 in human sAT. The accumulation of MSCA1+ white/brite precursors in sAT with obesity may reveal a blockade of their differentiation by immune cells, suggesting that local inflammation contributes to metabolic disorders through impairment of white/brite adipogenesis. Stem Cells 2015;33:1277-1291.
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Affiliation(s)
- David Estève
- Inserm, UMR1048, Team 1, Institute of Metabolic and Cardiovascular Diseases, BP84225, Toulouse Cedex 4, France; Paul Sabatier University, 118, Route de Narbonne, Toulouse Cedex 9, France
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Bonetti LV, Ilha J, Schneider APK, Barbosa S, Faccioni-Heuser MC. Balance and coordination training, but not endurance training, enhances synaptophysin and neurotrophin-3 immunoreactivity in the lumbar spinal cord after sciatic nerve crush. Muscle Nerve 2015; 53:617-25. [PMID: 26316168 DOI: 10.1002/mus.24889] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 08/19/2015] [Accepted: 08/25/2015] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Numerous rehabilitation treatments have been shown to be useful for peripheral and central restoration after (PNI). METHODS After sciatic nerve crush, we investigated 4 weeks of endurance training (ET) and balance and coordination training (BCT) with sciatic function index, hind-paw stride length, and spinal cord dorsal horn synaptophysin and neurotrophin-3 immunoreactivity. RESULTS Our results demonstrated no significant differences between the non-trained (NT), ET, and BCT groups in sciatic functional index, and in stride-length analysis, but the ET showed higher values compared with the NT group. Synaptophysin immunoreactivity was higher in the BCT group compared with the NT group, and neurotrophin-3 immunoreactivity in the BCT group was greater compared with the other groups. CONCLUSION BCT can positively affect spinal cord plasticity after a (PNI), and these modifications are important in the rehabilitation process.
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Affiliation(s)
- Leandro Viçosa Bonetti
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.,Laboratório de Histofisiologia Comparada, Departamento de Ciências Morfológicas, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Sarmento Leite 500, CEP 90050-170, Porto Alegre, Rio Grande do Sul, Brazil
| | - Jocemar Ilha
- Laboratório de Pesquisa Experimental, Departamento de Fisioterapia, Universidade do Estado de Santa Catarina, Santa Catarina, Brazil
| | - Ana Paula Krauthein Schneider
- Laboratório de Histofisiologia Comparada, Departamento de Ciências Morfológicas, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Sarmento Leite 500, CEP 90050-170, Porto Alegre, Rio Grande do Sul, Brazil
| | - Silvia Barbosa
- Laboratório de Histofisiologia Comparada, Departamento de Ciências Morfológicas, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Sarmento Leite 500, CEP 90050-170, Porto Alegre, Rio Grande do Sul, Brazil
| | - Maria Cristina Faccioni-Heuser
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.,Laboratório de Histofisiologia Comparada, Departamento de Ciências Morfológicas, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Sarmento Leite 500, CEP 90050-170, Porto Alegre, Rio Grande do Sul, Brazil
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Gao X, Daugherty RL, Tourtellotte WG. Regulation of low affinity neurotrophin receptor (p75(NTR)) by early growth response (Egr) transcriptional regulators. Mol Cell Neurosci 2007; 36:501-14. [PMID: 17916431 DOI: 10.1016/j.mcn.2007.08.013] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2007] [Revised: 08/10/2007] [Accepted: 08/21/2007] [Indexed: 12/21/2022] Open
Abstract
The low affinity neurotrophin receptor p75(NTR) is a multifunctional receptor with important roles in neurotrophin signaling, axon outgrowth, and oligodendroglia and neuron survival. It is transcriptionally regulated with spatial and temporal precision during nervous system development, injury and regeneration. Very little is known about how p75(NTR) expression is dynamically regulated but it is likely to influence how p75(NTR) signals in particular cellular contexts. Here, we identify the early growth response (Egr) transcriptional regulators, Egr1 and Egr3, as direct modulators of p75(NTR) gene expression. Egr1 and Egr3 bind and transactivate the p75(NTR) promoter in vitro and in vivo, using distinct response elements on the p75(NTR) promoter. Consistent with these results, p75(NTR) expression is greatly diminished in muscle spindle stretch receptors and in peripheral nerve Schwann cells in Egr gene deficient mice. Taken together, the results elucidate a novel mechanism whereby Egr proteins can directly modulate p75(NTR) expression and signaling in vivo.
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Affiliation(s)
- Xiaoguang Gao
- Department of Pathology (Division of Neuropathology), Feinberg School of Medicine, Northwestern University, 303 E Chicago Avenue, Chicago, IL 60611, USA
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Sedý J, Szeder V, Walro JM, Ren ZG, Nanka O, Tessarollo L, Sieber-Blum M, Grim M, Kucera J. Pacinian corpuscle development involves multiple Trk signaling pathways. Dev Dyn 2005; 231:551-63. [PMID: 15376326 DOI: 10.1002/dvdy.20156] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The development of crural Pacinian corpuscles was explored in neonatal mutant mice lacking nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), neurotrophin-3 (NT3) or neurotrophin-4 (NT4), or their cognate Trk receptors. Deficits of the corpuscles and their afferents were greatest in NT3, less in BDNF, and least in NT4 null mice. Deletion of NGF or p75(NTR) genes had little or no impact. No Pacinian corpuscles were present in NT3;BDNF and NT3;NT4 double or NT3;BDNF;NT4 triple null mice. Deficits were larger in NT3 than TrkC mutants and were comparable to deficits observed in TrkB or TrkA mutants. Afferents of all corpuscles coexpressed TrkA and TrkB receptors, and some afferents coexpressed all three Trk receptors. Our results suggest that multiple neurotrophins, in particular NT3, regulate the density of crural Pacinian corpuscles, most likely by regulating the survival of sensory neurons. In addition, NT3/TrkB and/or NT3/TrkA signaling plays a greater role than NT3/TrkC signaling in afferents to developing Pacinian corpuscles.
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MESH Headings
- Animals
- Animals, Newborn
- Brain-Derived Neurotrophic Factor/genetics
- Brain-Derived Neurotrophic Factor/metabolism
- Mice
- Mice, Mutant Strains
- Nerve Growth Factor/genetics
- Nerve Growth Factor/metabolism
- Nerve Growth Factors/genetics
- Nerve Growth Factors/metabolism
- Neurons, Afferent/metabolism
- Neurotrophin 3/genetics
- Neurotrophin 3/metabolism
- Pacinian Corpuscles/growth & development
- Receptor, Nerve Growth Factor/genetics
- Receptor, Nerve Growth Factor/metabolism
- Receptor, trkA/genetics
- Receptor, trkA/metabolism
- Receptor, trkB/genetics
- Receptor, trkB/metabolism
- Receptor, trkC/genetics
- Receptor, trkC/metabolism
- Receptors, Nerve Growth Factor/genetics
- Receptors, Nerve Growth Factor/metabolism
- Signal Transduction
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Affiliation(s)
- J Sedý
- Institute of Anatomy, Charles University, First Faculty of Medicine, U nemocnice 3, 128-00 Prague, Czech Republic
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Tcherpakov M, Bronfman FC, Conticello SG, Vaskovsky A, Levy Z, Niinobe M, Yoshikawa K, Arenas E, Fainzilber M. The p75 neurotrophin receptor interacts with multiple MAGE proteins. J Biol Chem 2002; 277:49101-4. [PMID: 12414813 DOI: 10.1074/jbc.c200533200] [Citation(s) in RCA: 80] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The p75 neurotrophin receptor has been implicated in diverse aspects of neurotrophin signaling, but the mechanisms by which its effects are mediated are not well understood. Here we identify two MAGE proteins, necdin and MAGE-H1, as interactors for the intracellular domain of p75 and show that the interaction is enhanced by ligand stimulation. PC12 cells transfected with necdin or MAGE-H1 exhibit accelerated differentiation in response to nerve growth factor. Expression of these two MAGE proteins is predominantly cytoplasmic in PC12 cells, and necdin was found to be capable of homodimerization, suggesting that it may act as a cytoplasmic adaptor to recruit a signaling complex to p75. These findings indicate that diverse MAGE family members can interact with the p75 receptor and highlight type II MAGE proteins as a potential family of interactors for signaling proteins containing type II death domains.
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Affiliation(s)
- Marianna Tcherpakov
- Molecular Neurobiology Group, Department of Biological Chemistry, Weizmann Institute of Science, 76100 Rehovot, Israel
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Abstract
Mice lacking the low-affinity neurotrophin receptor p75 have multiple peripheral neural deficits. Here we examined the developmental nature of these deficiencies. Peripheral axons in p75 -/- embryos were severely stunted and poorly arborized from embryonic day 11.5 (E11.5) to E14.5. In vitro, neurite outgrowth from the dorsal root ganglia was significantly decreased in the p75 -/- embryos at E12.5, suggesting that stunted axonal growth in the embryo may result in part from defects in neurite elongation. Additionally, Schwann cell marker S100beta immunoreactivity was decreased or absent along the growing axons of the ophthalmic branch from the trigeminal ganglia in p75 -/- embryos. Electron microscopy studies of the axons of the trigeminal ganglion at E13.5 revealed that in the p75 mutant embryo, nerve bundles were highly impaired and that coverage of the growing axons by Schwann cell cytoplasm was substantially reduced. In vitro, Schwann cell migration from the dorsal root ganglia was significantly decreased in the p75 -/- embryos at E12.5, suggesting that the lack of S100beta staining and Schwann cell coverage in the p75 mutant results from a deficit in Schwann cell migration. These results provide evidence that p75 is important in the developing embryo for regulating axon growth and arborization and for Schwann cell migration.
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Fan G, Egles C, Sun Y, Minichiello L, Renger JJ, Klein R, Liu G, Jaenisch R. Knocking the NT4 gene into the BDNF locus rescues BDNF deficient mice and reveals distinct NT4 and BDNF activities. Nat Neurosci 2000; 3:350-7. [PMID: 10725924 DOI: 10.1038/73921] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
To directly compare biological activities of the neurotrophins NT4 and BDNF in vivo, we replaced the BDNF coding sequence with the NT4 sequence in mice (Bdnfnt4-ki). Mice expressing NT4 in place of BDNF were viable, in contrast with BDNF null mutants, which die shortly after birth. Although the Bdnfnt4-ki/nt4-ki and wild-type Bdnf+/+ alleles yielded similar levels of NT4 and BDNF proteins, NT4 supported more sensory neurons than BDNF and promoted functional synapse formation in cultured hippocampal neurons. Homozygous Bdnfnt4-ki/nt4-ki mice showed reduced body weight, infertility and skin lesions, suggesting unique biological activities of NT4 in vivo. The distinct activities of NT4 and BDNF may result partly from differential activation of the TrkB receptor and its down-stream signals.
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Affiliation(s)
- G Fan
- Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, Massachusetts 02142, USA
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Raoul C, Pettmann B, Henderson CE. Active killing of neurons during development and following stress: a role for p75(NTR) and Fas? Curr Opin Neurobiol 2000; 10:111-7. [PMID: 10679436 DOI: 10.1016/s0959-4388(99)00055-0] [Citation(s) in RCA: 92] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Evidence for active triggering of neuronal death continues to accumulate. The transmembrane receptors p75(NTR) and Fas can trigger (and in some cases are required for) programmed cell death of the neurons that express them, through signalling pathways that are regulated by a variety of cytoplasmic effectors. Neuronal death induced by trophic deprivation often requires Fas signalling, further blurring the boundaries between naturally occurring and stress-induced neuronal death.
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Affiliation(s)
- C Raoul
- INSERM U.382, Developmental Biology Institute of Marseille (CNRS-INSERM - Univ. Méditerranée - AP Marseille), Marseille, 13288, France.
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