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Gupta R, Dittmeier M, Wohlleben G, Nickl V, Bischler T, Luzak V, Wegat V, Doll D, Sodmann A, Bady E, Langlhofer G, Wachter B, Havlicek S, Gupta J, Horn E, Lüningschrör P, Villmann C, Polat B, Wischhusen J, Monoranu CM, Kuper J, Blum R. Atypical cellular responses mediated by intracellular constitutive active TrkB (NTRK2) kinase domains and a solely intracellular NTRK2-fusion oncogene. Cancer Gene Ther 2024:10.1038/s41417-024-00809-0. [PMID: 39039193 DOI: 10.1038/s41417-024-00809-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 06/25/2024] [Accepted: 07/11/2024] [Indexed: 07/24/2024]
Abstract
Trk (NTRK) receptor and NTRK gene fusions are oncogenic drivers of a wide variety of tumors. Although Trk receptors are typically activated at the cell surface, signaling of constitutive active Trk and diverse intracellular NTRK fusion oncogenes is barely investigated. Here, we show that a high intracellular abundance is sufficient for neurotrophin-independent, constitutive activation of TrkB kinase domains. In HEK293 cells, constitutive active TrkB kinase and an intracellular NTRK2-fusion oncogene (SQSTM1-NTRK2) reduced actin filopodia dynamics, phosphorylated FAK, and altered the cell morphology. Atypical cellular responses could be mimicked with the intracellular kinase domain, which did not activate the Trk-associated MAPK/ERK pathway. In glioblastoma-like U87MG cells, expression of TrkB or SQSTM1-NTRK2 reduced cell motility and caused drastic changes in the transcriptome. Clinically approved Trk inhibitors or mutating Y705 in the kinase domain, blocked the cellular effects and transcriptome changes. Atypical signaling was also seen for TrkA and TrkC. Moreover, hallmarks of atypical pTrk kinase were found in biopsies of Nestin-positive glioblastoma. Therefore, we suggest Western blot-like immunoassay screening of NTRK-related (brain) tumor biopsies to identify patients with atypical panTrk or phosphoTrk signals. Such patients could be candidates for treatment with NTRK inhibitors such as Larotrectinhib or Entrectinhib.
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Affiliation(s)
- Rohini Gupta
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
| | - Melanie Dittmeier
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
| | - Gisela Wohlleben
- Department of Radiation Oncology, University of Würzburg, Würzburg, Germany
| | - Vera Nickl
- Department of Neurosurgery, Section Experimental Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Thorsten Bischler
- Core Unit Systems Medicine, University of Würzburg, Würzburg, Germany
| | - Vanessa Luzak
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
- Ludwig-Maximilians-Universität München, Biomedizinisches Zentrum, Planegg, Germany
| | - Vanessa Wegat
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
- Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik IGB, Bio- Elektro- und Chemokatalyse BioCat, Straubing, Germany
| | - Dennis Doll
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
| | - Annemarie Sodmann
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
| | - Elena Bady
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Georg Langlhofer
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
| | - Britta Wachter
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
| | - Steven Havlicek
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
- Neurona Therapeutics, 170 Harbor Way, South San Francisco, CA, USA
| | - Jahnve Gupta
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
| | - Evi Horn
- Department of Obstetrics and Gynecology, University Hospital Würzburg, Würzburg, Germany
| | - Patrick Lüningschrör
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
| | - Carmen Villmann
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
| | - Bülent Polat
- Department of Radiation Oncology, University of Würzburg, Würzburg, Germany
| | - Jörg Wischhusen
- Department of Obstetrics and Gynecology, University Hospital Würzburg, Würzburg, Germany
| | - Camelia M Monoranu
- Department of Neuropathology, Institute of Pathology, University of Würzburg, Würzburg, Germany
| | - Jochen Kuper
- Rudolf Virchow Center for Experimental Biomedicine, Institute for Structural Biology, University of Würzburg, Würzburg, Germany
| | - Robert Blum
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany.
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany.
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2
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Enkavi G, Girych M, Moliner R, Vattulainen I, Castrén E. TrkB transmembrane domain: bridging structural understanding with therapeutic strategy. Trends Biochem Sci 2024; 49:445-456. [PMID: 38433044 DOI: 10.1016/j.tibs.2024.02.001] [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: 10/30/2023] [Revised: 01/19/2024] [Accepted: 02/09/2024] [Indexed: 03/05/2024]
Abstract
TrkB (neuronal receptor tyrosine kinase-2, NTRK2) is the receptor for brain-derived neurotrophic factor (BDNF) and is a critical regulator of activity-dependent neuronal plasticity. The past few years have witnessed an increasing understanding of the structure and function of TrkB, including its transmembrane domain (TMD). TrkB interacts with membrane cholesterol, which bidirectionally regulates TrkB signaling. Additionally, TrkB has recently been recognized as a binding target of antidepressant drugs. A variety of different antidepressants, including typical and rapid-acting antidepressants, as well as psychedelic compounds, act as allosteric potentiators of BDNF signaling through TrkB. This suggests that TrkB is the common target of different antidepressant compounds. Although more research is needed, current knowledge suggests that TrkB is a promising target for further drug development.
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Affiliation(s)
- Giray Enkavi
- Department of Physics, University of Helsinki, Helsinki, Finland
| | - Mykhailo Girych
- Department of Physics, University of Helsinki, Helsinki, Finland
| | - Rafael Moliner
- Neuroscience Center/HiLIFE, University of Helsinki, Helsinki, Finland
| | - Ilpo Vattulainen
- Department of Physics, University of Helsinki, Helsinki, Finland.
| | - Eero Castrén
- Neuroscience Center/HiLIFE, University of Helsinki, Helsinki, Finland.
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Okruszko MA, Szabłowski M, Zarzecki M, Michnowska-Kobylińska M, Lisowski Ł, Łapińska M, Stachurska Z, Szpakowicz A, Kamiński KA, Konopińska J. Inflammation and Neurodegeneration in Glaucoma: Isolated Eye Disease or a Part of a Systemic Disorder? - Serum Proteomic Analysis. J Inflamm Res 2024; 17:1021-1037. [PMID: 38370463 PMCID: PMC10874189 DOI: 10.2147/jir.s434989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 01/23/2024] [Indexed: 02/20/2024] Open
Abstract
Introduction Glaucoma is the most common optic neuropathy and the leading cause of irreversible blindness worldwide, which affects 3.54% of the population aged 40-80 years. Despite numerous published studies, some aspects of glaucoma pathogenesis, serum biomarkers, and their potential link with other diseases remain unclear. Recent articles have proposed that autoimmune, oxidative stress and inflammation may be involved in the pathogenesis of glaucoma. Methods We investigated the serum expression of 92 inflammatory and neurotrophic factors in glaucoma patients. The study group consisted of 26 glaucoma patients and 192 healthy subjects based on digital fundography. Results Patients with glaucoma had significantly lower serum expression of IL-2Rβ, TWEAK, CX3CL1, CD6, CD5, LAP TGF-beta1, LIF-R, TRAIL, NT-3, and CCL23 and significantly higher expression of IL-22Rα1. Conclusion Our results indicate that patients with glaucoma tend to have lower levels of neuroprotective proteins and higher levels of neuroinflammatory proteins, similar to those observed in psychiatric, neurodegenerative and autoimmune diseases, indicating a potential link between these conditions and glaucoma pathogenesis.
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Affiliation(s)
| | - Maciej Szabłowski
- Department of Ophthalmology, Medical University of Bialystok, Białystok, 15-089, Poland
| | - Mateusz Zarzecki
- Department of Ophthalmology, Medical University of Bialystok, Białystok, 15-089, Poland
| | | | - Łukasz Lisowski
- Department of Ophthalmology, Medical University of Bialystok, Białystok, 15-089, Poland
| | - Magda Łapińska
- Department of Population Medicine and Lifestyle Diseases Prevention, Medical University of Białystok, Białystok, Poland
| | - Zofia Stachurska
- Department of Population Medicine and Lifestyle Diseases Prevention, Medical University of Białystok, Białystok, Poland
| | - Anna Szpakowicz
- Department of Cardiology, Medical University of Bialystok, Białystok, Poland
| | - Karol Adam Kamiński
- Department of Population Medicine and Lifestyle Diseases Prevention, Medical University of Białystok, Białystok, Poland
| | - Joanna Konopińska
- Department of Ophthalmology, Medical University of Bialystok, Białystok, 15-089, Poland
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Leon WRM, Steffen DM, Dale-Huang FR, Rakela B, Breevoort A, Romero-Rodriguez R, Hasenstaub AR, Stryker MP, Weiner JA, Alvarez-Buylla A. The clustered gamma protocadherin PcdhγC4 isoform regulates cortical interneuron programmed cell death in the mouse cortex. Proc Natl Acad Sci U S A 2024; 121:e2313596120. [PMID: 38285948 PMCID: PMC10861877 DOI: 10.1073/pnas.2313596120] [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: 08/07/2023] [Accepted: 11/16/2023] [Indexed: 01/31/2024] Open
Abstract
Cortical inhibitory interneurons (cINs) are born in the ventral forebrain and migrate into the cortex where they make connections with locally produced excitatory glutamatergic neurons. Cortical function critically depends on the number of cINs, which is also key to establishing the appropriate inhibitory/excitatory balance. The final number of cINs is determined during a postnatal period of programmed cell death (PCD) when ~40% of the young cINs are eliminated. Previous work shows that the loss of clustered gamma protocadherins (Pcdhgs), but not of genes in the Pcdha or Pcdhb clusters, dramatically increased BAX-dependent cIN PCD. Here, we show that PcdhγC4 is highly expressed in cINs of the mouse cortex and that this expression increases during PCD. The sole deletion of the PcdhγC4 isoform, but not of the other 21 isoforms in the Pcdhg gene cluster, increased cIN PCD. Viral expression of the PcdhγC4, in cIN lacking the function of the entire Pcdhg cluster, rescued most of these cells from cell death. We conclude that PcdhγC4 plays a critical role in regulating the survival of cINs during their normal period of PCD. This highlights how a single isoform of the Pcdhg cluster, which has been linked to human neurodevelopmental disorders, is essential to adjust cIN cell numbers during cortical development.
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Affiliation(s)
- Walter R. Mancia Leon
- Department of Neurological Surgery and The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA94143
| | - David M. Steffen
- Department of Neurological Surgery and The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA94143
- Department of Biology, The University of Iowa, Iowa City, IA52242
| | - Fiona R. Dale-Huang
- Department of Neurological Surgery and The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA94143
| | - Benjamin Rakela
- Department of Physiology, University of California, San Francisco, San Francisco, CA94143
| | - Arnar Breevoort
- Department of Physiology, University of California, San Francisco, San Francisco, CA94143
| | - Ricardo Romero-Rodriguez
- Department of Neurological Surgery and The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA94143
| | - Andrea R. Hasenstaub
- Department of Otolaryngology-Head and Neck Surgery, University of California, San Francisco, San Francisco, CA94143
- Kavli Institute for Fundamental Neuroscience, University of California, San Francisco, San Francisco, CA94143
| | - Michael P. Stryker
- Department of Physiology, University of California, San Francisco, San Francisco, CA94143
- Kavli Institute for Fundamental Neuroscience, University of California, San Francisco, San Francisco, CA94143
| | - Joshua A. Weiner
- Department of Biology, The University of Iowa, Iowa City, IA52242
| | - Arturo Alvarez-Buylla
- Department of Neurological Surgery and The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA94143
- Kavli Institute for Fundamental Neuroscience, University of California, San Francisco, San Francisco, CA94143
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Rył A, Tomska N, Jakubowska A, Ogrodniczak A, Palma J, Rotter I. Genetic Aspects of Problematic and Risky Internet Use in Young Men-Analysis of ANKK1, DRD2 and NTRK3 Gene Polymorphism. Genes (Basel) 2024; 15:169. [PMID: 38397159 PMCID: PMC10887871 DOI: 10.3390/genes15020169] [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: 12/11/2023] [Revised: 01/13/2024] [Accepted: 01/15/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Internet addiction disorder (IAD) is characterized by an excess of uncontrolled preoccupations, urges, or behaviors related to computer use and Internet access that culminate in negative outcomes or individual distress. PIU includes excessive online activities (such as video gaming, social media use, streaming, pornography viewing, and shopping). The aim of this study was to analyze the association of gene polymorphisms that may influence the severity of risky behaviors in young men with the frequency of Internet use. We speculate that there are individual differences in the mechanisms of Internet addiction and that gene-hormone associations may represent useful biomarkers for subgroups of individuals. MATERIALS AND METHODS The study was conducted in a sample of 407 adult males. Subjects were asked to complete the Problematic Internet Use Test (PIUT). Serum was analyzed to determine concentrations of luteinizing hormone (LH), follicle stimulating hormone (FSH), testosterone (TT), sex hormone binding protein (SHBG), dehydroepiandrosterone sulfate (DHEA-S), estradiol (E2), prolactin (PRL), insulin (I), serotonin (5-HT), and dopamine (DA), as well as DRD2, ANKK1, and NTRK3 gene polymorphisms. RESULTS In the analysis of the ANKK1 gene, there was a specific association between ANKK1 polymorphisms and PRL and 5-HT blood concentrations. There was also an association between the ANKK1 polymorphisms and LH and DA concentrations. When analyzing the DRD2 gene polymorphism, we found that in the group with a moderate level of Internet dependence, there was an association between both the G/GG and GG/GG polymorphisms and FSH concentration. CONCLUSIONS Our study found that there may be an association between the NTRK3 gene polymorphism and PIU. The polymorphisms of ANKK1 and DRD2 genes may be factors that influence the concentrations of hormones (PRL, 5-HT, DA) that are associated with the results obtained in PIU.
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Affiliation(s)
- Aleksandra Rył
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (N.T.); (I.R.)
| | - Natalia Tomska
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (N.T.); (I.R.)
| | - Anna Jakubowska
- Department of Genetics and Pathology, Pomeranian Medical University, 71-252 Szczecin, Poland; (A.J.); (A.O.)
- Independent Laboratory of Molecular Biology and Genetic Diagnostics, Pomeranian Medical University, 71-252 Szczecin, Poland
| | - Alicja Ogrodniczak
- Department of Genetics and Pathology, Pomeranian Medical University, 71-252 Szczecin, Poland; (A.J.); (A.O.)
| | - Joanna Palma
- Department of Biochemical Science, Pomeranian Medical University, 71-460 Szczecin, Poland;
| | - Iwona Rotter
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (N.T.); (I.R.)
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Biojone C, Cannarozzo C, Seiffert N, Diniz CRAF, Brunello CA, Castrén E, Casarotto P. Mutation in the TRKB Cholesterol Recognition Site that blocks Antidepressant Binding does not Influence the Basal or BDNF-Stimulated Activation of TRKB. Cell Mol Neurobiol 2023; 44:4. [PMID: 38104054 PMCID: PMC10725331 DOI: 10.1007/s10571-023-01438-1] [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: 11/01/2023] [Accepted: 11/04/2023] [Indexed: 12/19/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) acting upon its receptor Neurotrophic tyrosine kinase receptor 2 (NTRK2, TRKB) plays a central role in the development and maintenance of synaptic function and activity- or drug-induced plasticity. TRKB possesses an inverted cholesterol recognition and alignment consensus sequence (CARC), suggesting this receptor can act as a cholesterol sensor. We have recently shown that antidepressant drugs directly bind to the CARC domain of TRKB dimers, and that this binding as well as biochemical and behavioral responses to antidepressants are lost with a mutation in the TRKB CARC motif (Tyr433Phe). However, it is not clear if this mutation can also compromise the receptor function and lead to behavioral alterations. Here, we observed that Tyr433Phe mutation does not alter BDNF binding to TRKB, or BDNF-induced dimerization of TRKB. In this line, primary cultures from embryos of heterozygous Tyr433Phe mutant mice (hTRKB.Tyr433Phe) are responsive to BDNF-induced activation of TRKB, and samples from adult mice do not show any difference on TRKB activation compared to wild-type littermates (TRKB.wt). The behavioral phenotype of hTRKB.Tyr433Phe mice is indistinguishable from the wild-type mice in cued fear conditioning, contextual discrimination task, or the elevated plus maze, whereas mice heterozygous to BDNF null allele show a phenotype in context discrimination task. Taken together, our results indicate that Tyr433Phe mutation in the TRKB CARC motif does not show signs of loss-of-function of BDNF responses, while antidepressant binding to TRKB and responses to antidepressants are lost in Tyr433Phe mutants, making them an interesting mouse model for antidepressant research.
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Affiliation(s)
- Caroline Biojone
- Neuroscience Center - HiLife, University of Helsinki, P. O. Box 63, 00014, Helsinki, Finland
- Department of Biomedicine, Faculty of Health, Aarhus University, Aarhus, Denmark
- Translational Neuropsychiatry Unit (TNU), Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Cecilia Cannarozzo
- Neuroscience Center - HiLife, University of Helsinki, P. O. Box 63, 00014, Helsinki, Finland
| | - Nina Seiffert
- Neuroscience Center - HiLife, University of Helsinki, P. O. Box 63, 00014, Helsinki, Finland
| | - Cassiano R A F Diniz
- Neuroscience Center - HiLife, University of Helsinki, P. O. Box 63, 00014, Helsinki, Finland
- Center for Neuroscience, University of California, Davis, CA, USA
| | - Cecilia A Brunello
- Neuroscience Center - HiLife, University of Helsinki, P. O. Box 63, 00014, Helsinki, Finland
| | - Eero Castrén
- Neuroscience Center - HiLife, University of Helsinki, P. O. Box 63, 00014, Helsinki, Finland
| | - Plinio Casarotto
- Neuroscience Center - HiLife, University of Helsinki, P. O. Box 63, 00014, Helsinki, Finland.
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Girych M, Kulig W, Enkavi G, Vattulainen I. How Neuromembrane Lipids Modulate Membrane Proteins: Insights from G-Protein-Coupled Receptors (GPCRs) and Receptor Tyrosine Kinases (RTKs). Cold Spring Harb Perspect Biol 2023; 15:a041419. [PMID: 37487628 PMCID: PMC10547395 DOI: 10.1101/cshperspect.a041419] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
Lipids play a diverse and critical role in cellular processes in all tissues. The unique lipid composition of nerve membranes is particularly interesting because it contains, among other things, polyunsaturated lipids, such as docosahexaenoic acid, which the body only gets through the diet. The crucial role of lipids in neurological processes, especially in receptor-mediated cell signaling, is emphasized by the fact that in many neuropathological diseases there are significant deviations in the lipid composition of nerve membranes compared to healthy individuals. The lipid composition of neuromembranes can significantly affect the function of receptors by regulating the physical properties of the membrane or by affecting specific interactions between receptors and lipids. In addition, it is worth noting that the ligand-binding pocket of many receptors is located inside the cell membrane, due to which lipids can even modulate the binding of ligands to their receptors. These mechanisms highlight the importance of lipids in the regulation of membrane receptor activation and function. In this article, we focus on two major protein families: G-protein-coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs) and discuss how lipids affect their function in neuronal membranes, elucidating the basic mechanisms underlying neuronal function and dysfunction.
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Affiliation(s)
- Mykhailo Girych
- Department of Physics, University of Helsinki, FI-00014 Helsinki, Finland
| | - Waldemar Kulig
- Department of Physics, University of Helsinki, FI-00014 Helsinki, Finland
| | - Giray Enkavi
- Department of Physics, University of Helsinki, FI-00014 Helsinki, Finland
| | - Ilpo Vattulainen
- Department of Physics, University of Helsinki, FI-00014 Helsinki, Finland
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8
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Hu Y, Zhao M, Wang H, Guo Y, Cheng X, Zhao T, Wang H, Zhang Y, Ma Y, Tao W. Exosome-sheathed ROS-responsive nanogel to improve targeted therapy in perimenopausal depression. J Nanobiotechnology 2023; 21:261. [PMID: 37553718 PMCID: PMC10408189 DOI: 10.1186/s12951-023-02005-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 07/13/2023] [Indexed: 08/10/2023] Open
Abstract
The development of natural membranes as coatings for nanoparticles to traverse the blood-brain barrier (BBB) presents an effective approach for treating central nervous system (CNS) disorders. In this study, we have designed a nanogel loaded with PACAP and estrogen (E2), sheathed with exosomes and responsive to reactive oxygen species (ROS), denoted as HA NGs@exosomes. The objective of this novel design is to serve as a potent drug carrier for the targeted treatment of perimenopausal depression. The efficient cellular uptake and BBB penetration of HA NGs@exosomes has been demonstrated in vitro and in vivo. Following intranasal intervention with HA NGs@exosomes, ovariectomized mice under chronic unpredictable mild stress (CUMS) have shown improved behavioral performance, indicating that HA NGs@exosomes produced a rapid-onset antidepressant effect. Moreover, HA NGs@exosomes exhibit notable antioxidant and anti-inflammatory properties and may regulate the expression of pivotal proteins in the PACAP/PAC1 pathway to promote synaptic plasticity. Our results serve as a proof-of-concept for the utility of exosome-sheathed ROS-responsive nanogel as a promising drug carrier for the treatment of perimenopausal depression.
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Affiliation(s)
- Yue Hu
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, 8 Zhongnan West Road, Wuxi, 214071, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Min Zhao
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, 8 Zhongnan West Road, Wuxi, 214071, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Hui Wang
- School of pharmacology, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Yang Guo
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, 8 Zhongnan West Road, Wuxi, 214071, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Xiaolan Cheng
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, 8 Zhongnan West Road, Wuxi, 214071, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Tong Zhao
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, 8 Zhongnan West Road, Wuxi, 214071, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Hanqing Wang
- School of pharmacology, Ningxia Medical University, 1160 Shengli Street, Xingqing District, Yinchuan, China
| | - Yafeng Zhang
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, 8 Zhongnan West Road, Wuxi, 214071, China.
| | - Yong Ma
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, 8 Zhongnan West Road, Wuxi, 214071, China.
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China.
| | - Weiwei Tao
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, 8 Zhongnan West Road, Wuxi, 214071, China.
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China.
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9
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The RUNX Family Defines Trk Phenotype and Aggressiveness of Human Neuroblastoma through Regulation of p53 and MYCN. Cells 2023; 12:cells12040544. [PMID: 36831211 PMCID: PMC9954111 DOI: 10.3390/cells12040544] [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: 01/13/2023] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
The Runt-related transcription factor (RUNX) family, which is essential for the differentiation of cells of neural crest origin, also plays a potential role in neuroblastoma tumorigenesis. Consecutive studies in various tumor types have demonstrated that the RUNX family can play either pro-tumorigenic or anti-tumorigenic roles in a context-dependent manner, including in response to chemotherapeutic agents. However, in primary neuroblastomas, RUNX3 acts as a tumor-suppressor, whereas RUNX1 bifunctionally regulates cell proliferation according to the characterized genetic and epigenetic backgrounds, including MYCN oncogenesis. In this review, we first highlight the current knowledge regarding the mechanism through which the RUNX family regulates the neurotrophin receptors known as the tropomyosin-related kinase (Trk) family, which are significantly associated with neuroblastoma aggressiveness. We then focus on the possible involvement of the RUNX family in functional alterations of the p53 family members that execute either tumor-suppressive or dominant-negative functions in neuroblastoma tumorigenesis. By examining the tripartite relationship between the RUNX, Trk, and p53 families, in addition to the oncogene MYCN, we endeavor to elucidate the possible contribution of the RUNX family to neuroblastoma tumorigenesis for a better understanding of potential future molecular-based therapies.
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10
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Nagao H, Jayavelu AK, Cai W, Pan H, Dreyfuss JM, Batista TM, Brandão BB, Mann M, Kahn CR. Unique ligand and kinase-independent roles of the insulin receptor in regulation of cell cycle, senescence and apoptosis. Nat Commun 2023; 14:57. [PMID: 36599833 PMCID: PMC9812992 DOI: 10.1038/s41467-022-35693-5] [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: 02/10/2022] [Accepted: 12/14/2022] [Indexed: 01/05/2023] Open
Abstract
Insulin acts through the insulin receptor (IR) tyrosine kinase to exert its classical metabolic and mitogenic actions. Here, using receptors with either short or long deletion of the β-subunit or mutation of the kinase active site (K1030R), we have uncovered a second, previously unrecognized IR signaling pathway that is intracellular domain-dependent, but ligand and tyrosine kinase-independent (LYK-I). These LYK-I actions of the IR are linked to changes in phosphorylation of a network of proteins involved in the regulation of extracellular matrix organization, cell cycle, ATM signaling and cellular senescence; and result in upregulation of expression of multiple extracellular matrix-related genes and proteins, down-regulation of immune/interferon-related genes and proteins, and increased sensitivity to apoptosis. Thus, in addition to classical ligand and tyrosine kinase-dependent (LYK-D) signaling, the IR regulates a second, ligand and tyrosine kinase-independent (LYK-I) pathway, which regulates the cellular machinery involved in senescence, matrix interaction and response to extrinsic challenges.
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Affiliation(s)
- Hirofumi Nagao
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Ashok Kumar Jayavelu
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, 82152, Martinsried, Germany.,Proteomics and Cancer Cell Signaling Group, Clinical Cooperation Unit Pediatric Leukemia, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Weikang Cai
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, 02215, USA.,Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, 11568, USA
| | - Hui Pan
- Bioinformatics and Biostatistics Core, Joslin Diabetes Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Jonathan M Dreyfuss
- Bioinformatics and Biostatistics Core, Joslin Diabetes Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Thiago M Batista
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Bruna B Brandão
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Matthias Mann
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, 82152, Martinsried, Germany
| | - C Ronald Kahn
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, 02215, USA.
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11
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Nilforoushan N, Wethington SL, Nonogaki H, Gross J, Vang R, Xing D. NTRK-Fusion Sarcoma of the Uterine Cervix: Report of 2 Cases With Comparative Clinicopathologic Features. Int J Gynecol Pathol 2022; 41:642-648. [PMID: 34723848 PMCID: PMC9170358 DOI: 10.1097/pgp.0000000000000834] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
NTRK1/2/3 rearrangements have been identified as oncogenic drivers in a variety of tumors including those in the uterine cervix, and rarely, the uterine corpus. We report 2 cases of cervical sarcoma with NTRK gene rearrangements. Case 1 was a 54-yr-old woman who presented with postmenopausal bleeding and a 5.4 cm friable mass in the cervix. Microscopic examination of the tumor revealed proliferation of epithelioid and spindle cells arranged in alternating hypercellular and hypocellular areas, with subtle fibrosarcoma-like features. Coagulative tumor cell necrosis and readily recognizable mitoses (up to 40 mitotic figures per 10 high-power fields) were identified. Case 2 was a 52-yr-old woman who presented with abnormal vaginal bleeding and a 1.3 cm cervical mass. The resected cervical tumor showed proliferation of spindled cells with fascicular and storiform growth pattern, infiltrating into the smooth muscle with entrapment of normal endocervical glands. The tumor cells displayed mild cytologic atypia and low mitotic activity (1 mitotic figure per 10 high-power fields). The mixed inflammatory infiltrate was seen throughout the lesion, mimicking morphology of inflammatory myofibroblastic tumor. Immunohistochemical staining for S100 and CD34 demonstrated variable expression in case 1 and uniformly diffuse positivity in case 2. The tumor cells in both cases were focally positive for CD10, Cyclin D1, ER, and PR, and negative for AE1/AE3, desmin, SOX10, HMB-45. RNA fusion analysis identified SPECC1L-NTRK3 gene rearrangements in case 1 and TPM3-NTRK1 in case 2; DNA-based mutational analysis also revealed CDKN2A/B homozygous deletion in case 1. Despite accumulating literature on NTRK fusion mesenchymal tumors in gynecologic pathology, these tumors are still rare and lack well-established morphologic diagnostic criteria. Diagnostic and clinical recognition of these tumors is critical given the potential patient benefit from targeted therapy.
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12
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Brain-Derived Neurotropic Factor in Neurodegenerative Disorders. Biomedicines 2022; 10:biomedicines10051143. [PMID: 35625880 PMCID: PMC9138678 DOI: 10.3390/biomedicines10051143] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 04/23/2022] [Accepted: 04/30/2022] [Indexed: 12/30/2022] Open
Abstract
Globally, neurodegenerative diseases cause a significant degree of disability and distress. Brain-derived neurotrophic factor (BDNF), primarily found in the brain, has a substantial role in the development and maintenance of various nerve roles and is associated with the family of neurotrophins, including neuronal growth factor (NGF), neurotrophin-3 (NT-3) and neurotrophin-4/5 (NT-4/5). BDNF has affinity with tropomyosin receptor kinase B (TrKB), which is found in the brain in large amounts and is expressed in several cells. Several studies have shown that decrease in BDNF causes an imbalance in neuronal functioning and survival. Moreover, BDNF has several important roles, such as improving synaptic plasticity and contributing to long-lasting memory formation. BDNF has been linked to the pathology of the most common neurodegenerative disorders, such as Alzheimer’s and Parkinson’s disease. This review aims to describe recent efforts to understand the connection between the level of BDNF and neurodegenerative diseases. Several studies have shown that a high level of BDNF is associated with a lower risk for developing a neurodegenerative disease.
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13
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Honeycutt SE, N'Guetta PEY, O'Brien LL. Innervation in organogenesis. Curr Top Dev Biol 2022; 148:195-235. [PMID: 35461566 PMCID: PMC10636594 DOI: 10.1016/bs.ctdb.2022.02.004] [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] [Indexed: 10/18/2022]
Abstract
Proper innervation of peripheral organs helps to maintain physiological homeostasis and elicit responses to external stimuli. Disruptions to normal function can result in pathophysiological consequences. The establishment of connections and communication between the central nervous system and the peripheral organs is accomplished through the peripheral nervous system. Neuronal connections with target tissues arise from ganglia partitioned throughout the body. Organ innervation is initiated during development with stimuli being conducted through several types of neurons including sympathetic, parasympathetic, and sensory. While the physiological modulation of mature organs by these nerves is largely understood, their role in mammalian development is only beginning to be uncovered. Interactions with cells in target tissues can affect the development and eventual function of several organs, highlighting their significance. This chapter will cover the origin of peripheral neurons, factors mediating organ innervation, and the composition and function of organ-specific nerves during development. This emerging field aims to identify the functional contribution of innervation to development which will inform future investigations of normal and abnormal mammalian organogenesis, as well as contribute to regenerative and organ replacement efforts where nerve-derived signals may have significant implications for the advancement of such studies.
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Affiliation(s)
- Samuel E Honeycutt
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Pierre-Emmanuel Y N'Guetta
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Lori L O'Brien
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.
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14
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Rogers C, Morrissette JJD, Sussman RT. NTRK point mutations and their functional consequences. Cancer Genet 2021; 262-263:5-15. [PMID: 34972036 DOI: 10.1016/j.cancergen.2021.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 11/15/2021] [Accepted: 12/13/2021] [Indexed: 12/27/2022]
Abstract
The neurotrophic receptor tyrosine kinase (NTRK) family of genes, including NTRK1, NTRK2, and NTRK3, encodes membrane-bound receptors that normally regulate cell survival and differentiation upon binding of growth factors. Not surprisingly, mutations in these genes are known to contribute to the growth of a diverse number of cancers. With the recent FDA approval of two first-generation tyrosine-kinase inhibitors (TKIs) for adult and pediatric patients with solid tumors harboring NTRK gene fusions, much of the literature has focused on the biology behind these types of NTRK abnormalities; however, point mutations can also contribute to oncogenesis or resistance to TKI therapy, albeit at a lower frequency than fusions. This review focuses on NTRK gene mutations that are associated with resistance to directed therapies, mutations detected in the primary setting that confer increased oncogenic activity, and evidence that suggests that some of these variants may be treated using specific targeted therapies. Finally, this review focuses on the detection of point mutations, including the utility of cell-free DNA (cfDNA) for monitoring the acquisition of resistance mutations.
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Affiliation(s)
- Corey Rogers
- Department of Pathology and Laboratory Medicine, Division of Precision and Computational Diagnostics, University of Pennsylvania, 3020 Market Street, Suite 220, Philadelphia, PA 19104, USA.
| | - Jennifer J D Morrissette
- Department of Pathology and Laboratory Medicine, Division of Precision and Computational Diagnostics, University of Pennsylvania, 3020 Market Street, Suite 220, Philadelphia, PA 19104, USA
| | - Robyn T Sussman
- Department of Pathology and Laboratory Medicine, Division of Precision and Computational Diagnostics, University of Pennsylvania, 3020 Market Street, Suite 220, Philadelphia, PA 19104, USA
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15
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Nunes-Xavier CE, Zaldumbide L, Mosteiro L, López-Almaraz R, García de Andoin N, Aguirre P, Emaldi M, Torices L, López JI, Pulido R. Protein Tyrosine Phosphatases in Neuroblastoma: Emerging Roles as Biomarkers and Therapeutic Targets. Front Cell Dev Biol 2021; 9:811297. [PMID: 34957126 PMCID: PMC8692838 DOI: 10.3389/fcell.2021.811297] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 11/23/2021] [Indexed: 12/23/2022] Open
Abstract
Neuroblastoma is a type of cancer intimately related with early development and differentiation of neuroendocrine cells, and constitutes one of the pediatric cancers with higher incidence and mortality. Protein tyrosine phosphatases (PTPs) are key regulators of cell growth and differentiation by their direct effect on tyrosine dephosphorylation of specific protein substrates, exerting major functions in the modulation of intracellular signaling during neuron development in response to external cues driving cell proliferation, survival, and differentiation. We review here the current knowledge on the role of PTPs in neuroblastoma cell growth, survival, and differentiation. The potential of PTPs as biomarkers and molecular targets for inhibition in neuroblastoma therapies is discussed.
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Affiliation(s)
- Caroline E. Nunes-Xavier
- Biomarkers in Cancer Unit, Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital Radiumhospitalet, Oslo, Norway
- *Correspondence: Caroline E. Nunes-Xavier, ; Rafael Pulido,
| | - Laura Zaldumbide
- Department of Pathology, Cruces University Hospital, Barakaldo, Spain
| | - Lorena Mosteiro
- Department of Pathology, Cruces University Hospital, Barakaldo, Spain
| | | | | | - Pablo Aguirre
- Department of Pathology, Donostia University Hospital, San Sebastian, Spain
| | - Maite Emaldi
- Biomarkers in Cancer Unit, Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
| | - Leire Torices
- Biomarkers in Cancer Unit, Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
| | - José I. López
- Biomarkers in Cancer Unit, Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
- Department of Pathology, Cruces University Hospital, Barakaldo, Spain
| | - Rafael Pulido
- Biomarkers in Cancer Unit, Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
- *Correspondence: Caroline E. Nunes-Xavier, ; Rafael Pulido,
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16
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Retinal Protection from LED-Backlit Screen Lights by Short Wavelength Absorption Filters. Cells 2021; 10:cells10113248. [PMID: 34831470 PMCID: PMC8618415 DOI: 10.3390/cells10113248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 01/26/2023] Open
Abstract
(1) Background: Ocular exposure to intense light or long-time exposure to low-intensity short-wavelength lights may cause eye injury. Excessive levels of blue light induce photochemical damage to the retinal pigment and degeneration of photoreceptors of the outer segments. Currently, people spend a lot of time watching LED screens that emit high proportions of blue light. This study aims to assess the effects of light emitted by LED tablet screens on pigmented rat retinas with and without optical filters. (2) Methods: Commercially available tablets were used for exposure experiments on three groups of rats. One was exposed to tablet screens, the other was exposed to the tablet screens with a selective filter and the other was a control group. Structure, gene expression (including life/death, extracellular matrix degradation, growth factors, and oxidative stress related genes), and immunohistochemistry in the retina were compared among groups. (3) Results: There was a reduction of the thickness of the external nuclear layer and changes in the genes involved in cell survival and death, extracellular matrix turnover, growth factors, inflammation, and oxidative stress, leading decrease in cell density and retinal damage in the first group. Modulation of gene changes was observed when the LED light of screens was modified with an optical filter. (4) Conclusions: The use of short-wavelength selective filters on the screens contribute to reduce LED light-induced damage in the rat retina.
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17
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Brisset M, Grandin M, Bernet A, Mehlen P, Hollande F. Dependence receptors: new targets for cancer therapy. EMBO Mol Med 2021; 13:e14495. [PMID: 34542930 PMCID: PMC8573599 DOI: 10.15252/emmm.202114495] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/11/2021] [Accepted: 08/11/2021] [Indexed: 12/22/2022] Open
Abstract
Dependence receptors are known to promote survival and positive signaling such as proliferation, migration, and differentiation when activated, but to actively trigger apoptosis when unbound to their ligand. Their abnormal regulation was shown to be an important feature of tumorigenesis, allowing cancer cells to escape apoptosis triggered by these receptors while promoting in parallel major aspects of tumorigenesis such as proliferation, angiogenesis, invasiveness, and chemoresistance. This involvement in multiple cancer hallmarks has raised interest in dependence receptors as targets for cancer therapy. Although additional studies remain necessary to fully understand the complexity of signaling pathways activated by these receptors and to target them efficiently, it is now clear that dependence receptors represent very exciting targets for future cancer treatment. This manuscript reviews current knowledge on the contribution of dependence receptors to cancer and highlights the potential for therapies that activate pro-apoptotic functions of these proteins.
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Affiliation(s)
- Morgan Brisset
- Department of Clinical Pathology, Victorian Comprehensive Cancer CentreThe University of MelbourneMelbourneVic.Australia
- University of Melbourne Centre for Cancer ResearchVictorian Comprehensive Cancer CentreMelbourneVic.Australia
| | - Mélodie Grandin
- Department of Clinical Pathology, Victorian Comprehensive Cancer CentreThe University of MelbourneMelbourneVic.Australia
- University of Melbourne Centre for Cancer ResearchVictorian Comprehensive Cancer CentreMelbourneVic.Australia
| | - Agnès Bernet
- Apoptosis, Cancer and Development LaboratoryCentre de Recherche en Cancérologie de Lyon, INSERM U1052‐CNRS UMR5286Centre Léon BérardUniversité de LyonLyonFrance
| | - Patrick Mehlen
- Apoptosis, Cancer and Development LaboratoryCentre de Recherche en Cancérologie de Lyon, INSERM U1052‐CNRS UMR5286Centre Léon BérardUniversité de LyonLyonFrance
| | - Frédéric Hollande
- Department of Clinical Pathology, Victorian Comprehensive Cancer CentreThe University of MelbourneMelbourneVic.Australia
- University of Melbourne Centre for Cancer ResearchVictorian Comprehensive Cancer CentreMelbourneVic.Australia
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18
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Di Donato M, Galasso G, Giovannelli P, Sinisi AA, Migliaccio A, Castoria G. Targeting the Nerve Growth Factor Signaling Impairs the Proliferative and Migratory Phenotype of Triple-Negative Breast Cancer Cells. Front Cell Dev Biol 2021; 9:676568. [PMID: 34268306 PMCID: PMC8275826 DOI: 10.3389/fcell.2021.676568] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 05/27/2021] [Indexed: 12/12/2022] Open
Abstract
Triple-negative breast cancer is a heterogeneous disease that still lacks specific therapeutic approaches. The identification of new biomarkers, predictive of the disease's aggressiveness and pharmacological response, is a challenge for a more tailored approach in the clinical management of patients. Nerve growth factor, initially identified as a key factor for neuronal survival and differentiation, turned out to be a multifaceted molecule with pleiotropic effects in quite divergent cell types, including cancer cells. Many solid tumors exhibit derangements of the nerve growth factor and its receptors, including the tropomyosin receptor kinase A. This receptor is expressed in triple-negative breast cancer, although its role in the pathogenesis and aggressiveness of this disease is still under investigation. We now report that triple-negative breast cancer-derived MDA-MB-231 and MDA-MB-453 cells express appreciable levels of tropomyosin receptor kinase A and release a biologically active nerve growth factor. Activation of tropomyosin receptor kinase by nerve growth factor treatment positively affects the migration, invasion, and proliferation of triple-negative breast cancer cells. An increase in the size of triple-negative breast cancer cell spheroids is also detected. This latter effect might occur through the nerve growth factor-induced release of matrix metalloproteinase 9, which contributes to the reorganization of the extracellular matrix and cell invasiveness. The tropomyosin receptor kinase A inhibitor GW441756 reverses all these responses. Co-immunoprecipitation experiments in both cell lines show that nerve growth factor triggers the assembly of the TrkA/β1-integrin/FAK/Src complex, thereby activating several downstream effectors. GW441756 prevents the complex assembly induced by nerve growth factor as well as the activation of its dependent signaling. Pharmacological inhibition of the tyrosine kinases Src and FAK (focal adhesion kinase), together with the silencing of β1-integrin, shows that the tyrosine kinases impinge on both proliferation and motility, while β1-integrin is needed for motility induced by nerve growth factor in triple-negative breast cancer cells. The present data support the key role of the nerve growth factor/tropomyosin receptor kinase A pathway in triple-negative breast cancer and offer new hints in the diagnostic and therapeutic management of patients.
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Affiliation(s)
- Marzia Di Donato
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Giovanni Galasso
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Pia Giovannelli
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Antonio A Sinisi
- Dipartimento di Scienze Mediche e Chirurgiche Avanzate, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Antimo Migliaccio
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Gabriella Castoria
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
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Padmanabhan Nair V, Liu H, Ciceri G, Jungverdorben J, Frishman G, Tchieu J, Cederquist GY, Rothenaigner I, Schorpp K, Klepper L, Walsh RM, Kim TW, Cornacchia D, Ruepp A, Mayer J, Hadian K, Frishman D, Studer L, Vincendeau M. Activation of HERV-K(HML-2) disrupts cortical patterning and neuronal differentiation by increasing NTRK3. Cell Stem Cell 2021; 28:1566-1581.e8. [PMID: 33951478 DOI: 10.1016/j.stem.2021.04.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 03/05/2021] [Accepted: 04/12/2021] [Indexed: 12/20/2022]
Abstract
The biological function and disease association of human endogenous retroviruses (HERVs) are largely elusive. HERV-K(HML-2) has been associated with neurotoxicity, but there is no clear understanding of its role or mechanistic basis. We addressed the physiological functions of HERV-K(HML-2) in neuronal differentiation using CRISPR engineering to activate or repress its expression levels in a human-pluripotent-stem-cell-based system. We found that elevated HERV-K(HML-2) transcription is detrimental for the development and function of cortical neurons. These effects are cell-type-specific, as dopaminergic neurons are unaffected. Moreover, high HERV-K(HML-2) transcription alters cortical layer formation in forebrain organoids. HERV-K(HML-2) transcriptional activation leads to hyperactivation of NTRK3 expression and other neurodegeneration-related genes. Direct activation of NTRK3 phenotypically resembles HERV-K(HML-2) induction, and reducing NTRK3 levels in context of HERV-K(HML-2) induction restores cortical neuron differentiation. Hence, these findings unravel a cell-type-specific role for HERV-K(HML-2) in cortical neuron development.
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Affiliation(s)
| | - Hengyuan Liu
- Department of Genome-Oriented Bioinformatics, Technical University Munich, Munich, Germany
| | - Gabriele Ciceri
- Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Johannes Jungverdorben
- Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Goar Frishman
- Institute of Experimental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Jason Tchieu
- Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Gustav Y Cederquist
- Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ina Rothenaigner
- Assay Development and Screening Platform, Helmholtz Zentrum München, Neuherberg, Germany
| | - Kenji Schorpp
- Assay Development and Screening Platform, Helmholtz Zentrum München, Neuherberg, Germany
| | - Lena Klepper
- Institute of Virology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Ryan M Walsh
- Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Tae Wan Kim
- Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Daniela Cornacchia
- Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Andreas Ruepp
- Institute of Experimental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Jens Mayer
- Institute of Human Genetics, University of Saarland, Homburg, Germany
| | - Kamyar Hadian
- Assay Development and Screening Platform, Helmholtz Zentrum München, Neuherberg, Germany
| | - Dmitrij Frishman
- Department of Genome-Oriented Bioinformatics, Technical University Munich, Munich, Germany
| | - Lorenz Studer
- Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Michelle Vincendeau
- Institute of Virology, Helmholtz Zentrum München, Neuherberg, Germany; Developmental Biology and Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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20
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Cannarozzo C, Fred SM, Girych M, Biojone C, Enkavi G, Róg T, Vattulainen I, Casarotto PC, Castrén E. Cholesterol-recognition motifs in the transmembrane domain of the tyrosine kinase receptor family: The case of TRKB. Eur J Neurosci 2021; 53:3311-3322. [PMID: 33825223 DOI: 10.1111/ejn.15218] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/28/2021] [Accepted: 03/29/2021] [Indexed: 01/19/2023]
Abstract
Cholesterol is an essential constituent of cell membranes. The discovery of cholesterol-recognition amino acid consensus (CRAC) motif in proteins indicated a putative direct, non-covalent interaction between cholesterol and proteins. In the present study, we evaluated the presence of a CRAC motif and its inverted version (CARC) in the transmembrane region (TMR) of the tyrosine kinase receptor family (RTK) in several species using in silico methods. CRAC motifs were found across all species analyzed, while CARC was found only in vertebrates. The tropomyosin-related kinase B (TRKB), a member of the RTK family, through interaction with its endogenous ligand brain-derived neurotrophic factor (BDNF) is a core participant in the neuronal plasticity process and exhibits a CARC motif in its TMR. Upon identifying the conserved CARC motif in the TRKB, we performed molecular dynamics simulations of the mouse TRKB.TMR. The simulations indicated that cholesterol interaction with the TRKB CARC motif occurs mainly at the central Y433 residue. Our binding assay suggested a bell-shaped effect of cholesterol on BDNF interaction with TRKB receptors, and our results suggest that CARC/CRAC motifs may play a role in the function of the RTK family TMR.
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Affiliation(s)
| | - Senem Merve Fred
- Neuroscience Center - HiLife, University of Helsinki, Helsinki, Finland
| | - Mykhailo Girych
- Department of Physics, University of Helsinki, Helsinki, Finland
| | - Caroline Biojone
- Neuroscience Center - HiLife, University of Helsinki, Helsinki, Finland
| | - Giray Enkavi
- Department of Physics, University of Helsinki, Helsinki, Finland
| | - Tomasz Róg
- Department of Physics, University of Helsinki, Helsinki, Finland
| | - Ilpo Vattulainen
- Department of Physics, University of Helsinki, Helsinki, Finland
- Computational Physics Laboratory, Tampere University, Tampere, Finland
| | | | - Eero Castrén
- Neuroscience Center - HiLife, University of Helsinki, Helsinki, Finland
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21
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A new molecular target for antidepressants. Cell Res 2021; 31:489-490. [PMID: 33824423 PMCID: PMC8089086 DOI: 10.1038/s41422-021-00500-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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Distinct signaling by insulin and IGF-1 receptors and their extra- and intracellular domains. Proc Natl Acad Sci U S A 2021; 118:2019474118. [PMID: 33879610 DOI: 10.1073/pnas.2019474118] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Insulin and insulin-like growth factor 1 (IGF-1) receptors share many downstream signaling pathways but have unique biological effects. To define the molecular signals contributing to these distinct activities, we performed global phosphoproteomics on cells expressing either insulin receptor (IR), IGF-1 receptor (IGF1R), or chimeric IR-IGF1R receptors. We show that IR preferentially stimulates phosphorylations associated with mammalian target of rapamycin complex 1 (mTORC1) and Akt pathways, whereas IGF1R preferentially stimulates phosphorylations on proteins associated with the Ras homolog family of guanosine triphosphate hydrolases (Rho GTPases), and cell cycle progression. There were also major differences in the phosphoproteome between cells expressing IR versus IGF1R in the unstimulated state, including phosphorylation of proteins involved in membrane trafficking, chromatin remodeling, and cell cycle. In cells expressing chimeric IR-IGF1R receptors, these differences in signaling could be mapped to contributions of both the extra- and intracellular domains of these receptors. Thus, despite their high homology, IR and IGF1R preferentially regulate distinct networks of phosphorylation in both the basal and stimulated states, allowing for the unique effects of these hormones on organismal function.
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23
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Pathak A, Clark S, Bronfman FC, Deppmann CD, Carter BD. Long-distance regressive signaling in neural development and disease. WILEY INTERDISCIPLINARY REVIEWS. DEVELOPMENTAL BIOLOGY 2021; 10:e382. [PMID: 32391977 PMCID: PMC7655682 DOI: 10.1002/wdev.382] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 03/23/2020] [Accepted: 04/06/2020] [Indexed: 02/06/2023]
Abstract
Nervous system development proceeds via well-orchestrated processes involving a balance between progressive and regressive events including stabilization or elimination of axons, synapses, and even entire neurons. These progressive and regressive events are driven by functionally antagonistic signaling pathways with the dominant pathway eventually determining whether a neural element is retained or removed. Many of these developmental sculpting events are triggered by final target innervation necessitating a long-distance mode of communication. While long-distance progressive signaling has been well characterized, particularly for neurotrophic factors, there remains relatively little known about how regressive events are triggered from a distance. Here we discuss the emergent phenomenon of long-distance regressive signaling pathways. In particular, we will cover (a) progressive and regressive cues known to be employed after target innervation, (b) the mechanisms of long-distance signaling from an endosomal platform, (c) recent evidence that long-distance regressive cues emanate from platforms like death receptors or repulsive axon guidance receptors, and (d) evidence that these pathways are exploited in pathological scenarios. This article is categorized under: Nervous System Development > Vertebrates: General Principles Signaling Pathways > Global Signaling Mechanisms Establishment of Spatial and Temporal Patterns > Cytoplasmic Localization.
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Affiliation(s)
- Amrita Pathak
- Department of Biochemistry and Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Shayla Clark
- Neuroscience Graduate Program, University of Virginia, Charlottesville, Virginia
| | - Francisca C. Bronfman
- Institute of Biomedical Sciences (ICB), Faculty of Medicine, Faculty of Life Science, Universidad Andres Bello, Santiago, Chile
| | - Christopher D. Deppmann
- Departments of Biology, Cell Biology, Biomedical Engineering, and Neuroscience, University of Virginia, Charlottesville, Virginia
| | - Bruce D. Carter
- Department of Biochemistry and Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, Tennessee
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24
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Casarotto PC, Girych M, Fred SM, Kovaleva V, Moliner R, Enkavi G, Biojone C, Cannarozzo C, Sahu MP, Kaurinkoski K, Brunello CA, Steinzeig A, Winkel F, Patil S, Vestring S, Serchov T, Diniz CRAF, Laukkanen L, Cardon I, Antila H, Rog T, Piepponen TP, Bramham CR, Normann C, Lauri SE, Saarma M, Vattulainen I, Castrén E. Antidepressant drugs act by directly binding to TRKB neurotrophin receptors. Cell 2021; 184:1299-1313.e19. [PMID: 33606976 PMCID: PMC7938888 DOI: 10.1016/j.cell.2021.01.034] [Citation(s) in RCA: 334] [Impact Index Per Article: 111.3] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 12/22/2020] [Accepted: 01/21/2021] [Indexed: 12/11/2022]
Abstract
It is unclear how binding of antidepressant drugs to their targets gives rise to the clinical antidepressant effect. We discovered that the transmembrane domain of tyrosine kinase receptor 2 (TRKB), the brain-derived neurotrophic factor (BDNF) receptor that promotes neuronal plasticity and antidepressant responses, has a cholesterol-sensing function that mediates synaptic effects of cholesterol. We then found that both typical and fast-acting antidepressants directly bind to TRKB, thereby facilitating synaptic localization of TRKB and its activation by BDNF. Extensive computational approaches including atomistic molecular dynamics simulations revealed a binding site at the transmembrane region of TRKB dimers. Mutation of the TRKB antidepressant-binding motif impaired cellular, behavioral, and plasticity-promoting responses to antidepressants in vitro and in vivo. We suggest that binding to TRKB and allosteric facilitation of BDNF signaling is the common mechanism for antidepressant action, which may explain why typical antidepressants act slowly and how molecular effects of antidepressants are translated into clinical mood recovery.
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Affiliation(s)
| | - Mykhailo Girych
- Department of Physics, University of Helsinki, Helsinki, Finland
| | - Senem M Fred
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland
| | - Vera Kovaleva
- Institute of Biotechnology-HILIFE, University of Helsinki, Helsinki, Finland
| | - Rafael Moliner
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland
| | - Giray Enkavi
- Department of Physics, University of Helsinki, Helsinki, Finland
| | - Caroline Biojone
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland
| | | | | | - Katja Kaurinkoski
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland
| | | | - Anna Steinzeig
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland
| | - Frederike Winkel
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland
| | - Sudarshan Patil
- Department of Biomedicine and KG Jebsen Center for Research on Neuropsychiatric Disorders, University of Bergen, Bergen, Norway
| | - Stefan Vestring
- Department of Psychiatry and Psychotherapy, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Berta-Ottenstein-Programme for Clinician Scientists, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Tsvetan Serchov
- Department of Psychiatry and Psychotherapy, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Cassiano R A F Diniz
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland; Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paul, Brazil
| | - Liina Laukkanen
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland
| | - Iseline Cardon
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland; Brain Master Program, Faculty of Science, Aix-Marseille Université, Marseille, France; Department of Psychiatry, University of Regensburg, Regenburg, Germany
| | - Hanna Antila
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland; Department of Neuroscience, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Tomasz Rog
- Department of Physics, University of Helsinki, Helsinki, Finland
| | - Timo Petteri Piepponen
- Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Clive R Bramham
- Department of Biomedicine and KG Jebsen Center for Research on Neuropsychiatric Disorders, University of Bergen, Bergen, Norway
| | - Claus Normann
- Department of Psychiatry and Psychotherapy, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Center for Basics in Neuromodulation (NeuroModul Basics), University of Freiburg, Freiburg, Germany
| | - Sari E Lauri
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland; Molecular and Integrative Biosciences Research Program, University of Helsinki, Helsinki, Finland
| | - Mart Saarma
- Institute of Biotechnology-HILIFE, University of Helsinki, Helsinki, Finland
| | - Ilpo Vattulainen
- Department of Physics, University of Helsinki, Helsinki, Finland; Computational Physics Laboratory, Tampere University, Tampere, Finland
| | - Eero Castrén
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland.
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25
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Yan W, Zhang L, Lv F, Moccia M, Carlomagno F, Landry C, Santoro M, Gosselet F, Frett B, Li HY. Discovery of pyrazolo-thieno[3,2-d]pyrimidinylamino-phenyl acetamides as type-II pan-tropomyosin receptor kinase (TRK) inhibitors: Design, synthesis, and biological evaluation. Eur J Med Chem 2021; 216:113265. [PMID: 33652352 DOI: 10.1016/j.ejmech.2021.113265] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 01/29/2021] [Accepted: 01/30/2021] [Indexed: 12/21/2022]
Abstract
Tropomyosin receptor kinase (TRK) represents an attractive oncology target for cancer therapy related to its critical role in cancer formation and progression. NTRK fusions are found to occur in 3.3% of lung cancers, 2.2% of colorectal cancers, 16.7% of thyroid cancers, 2.5% of glioblastomas, and 7.1% of pediatric gliomas. In this paper, we described the discovery of the type-II pan-TRK inhibitor 4c through the structure-based drug design strategy from the original hits 1b and 2b. Compound 4c exhibited excellent in vitro TRKA, TRKB, and TRKC kinase inhibitory activity and anti-proliferative activity against human colorectal carcinoma derived cell line KM12. In the NCI-60 human cancer cell lines screen, compound 4g demonstrated nearly 80% of growth inhibition for KM12, while only minimal inhibitory activity was observed for the remaining 59 cancer cell lines. Western blot analysis demonstrated that 4c and its urea cousin 4k suppressed the TPM3-TRKA autophosphorylation at the concentrations of 100 nM and 10 nM, respectively. The work presented that 2-(4-(thieno[3,2-d]pyrimidin-4-ylamino)phenyl)acetamides could serve as a novel scaffold for the discovery and development of type-II pan-TRK inhibitors for the treatment of TRK driven cancers.
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Affiliation(s)
- Wei Yan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Lingtian Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Fengping Lv
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Marialuisa Moccia
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Federico II, Via S Pansini 5, 80131, Naples, Italy
| | - Francesca Carlomagno
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Federico II, Via S Pansini 5, 80131, Naples, Italy; Istituto di Endocrinologia e Oncologia Sperimentale Del CNR, Via S Pansini 5, 80131, Naples, Italy
| | - Christophe Landry
- Blood Brain Barrier Laboratory (LBHE), University of Artois, UR2465, F-62300, Lens, France
| | - Massimo Santoro
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Federico II, Via S Pansini 5, 80131, Naples, Italy
| | - Fabien Gosselet
- Blood Brain Barrier Laboratory (LBHE), University of Artois, UR2465, F-62300, Lens, France
| | - Brendan Frett
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Hong-Yu Li
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA.
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26
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Xue Y, Liang H, Yang R, Deng K, Tang M, Zhang M. The role of pro- and mature neurotrophins in the depression. Behav Brain Res 2021; 404:113162. [PMID: 33549684 DOI: 10.1016/j.bbr.2021.113162] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 01/22/2021] [Accepted: 02/02/2021] [Indexed: 12/24/2022]
Abstract
Neurotrophic factors, which can provide nutritional support to neurons and neuronal cells, also played an important role in their proliferation and survival. As signaling molecules, it also mediated the learning, memory and other activities in the brain. The latest study shows that neurotrophic factors have diametrically opposing effects of the pro- and mature form through distinct receptors. In this review, we summarize the different forms of neurotrophic factors, related receptors, and the corresponding biological effects. More importantly, we expounded the physiology and pathology mechanisms of brain-derived neurotrophic factor(BDNF)in depression. It is hopefully to provide new idea on the relationship of neurotrophic factors and depression.
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Affiliation(s)
- Ying Xue
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China; Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China.
| | - Hongyan Liang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China; Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China.
| | - Rui Yang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China; Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China.
| | - Kunhong Deng
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China; Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China.
| | - Mimi Tang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China; Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China.
| | - Mengqi Zhang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha 410008, China.
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27
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NGF-Dependent and BDNF-Dependent DRG Sensory Neurons Deploy Distinct Degenerative Signaling Mechanisms. eNeuro 2021; 8:ENEURO.0277-20.2020. [PMID: 33372032 PMCID: PMC7877462 DOI: 10.1523/eneuro.0277-20.2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 12/03/2020] [Accepted: 12/07/2020] [Indexed: 02/07/2023] Open
Abstract
The nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) are trophic factors required by distinct population of sensory neurons during development of the nervous system. Neurons that fail to receive appropriate trophic support are lost during this period of naturally occurring cell death. In the last decade, our understanding of the signaling pathways regulating neuronal death following NGF deprivation has advanced substantially. However, the signaling mechanisms promoting BDNF deprivation-induced sensory neuron degeneration are largely unknown. Using a well-established in vitro culture model of dorsal root ganglion (DRG), we have examined degeneration mechanisms triggered on BDNF withdrawal in sensory neurons. Our results indicate differences and similarities between the molecular signaling pathways behind NGF and BDNF deprivation-induced death. For instance, we observed that the inhibition of Trk receptors (K252a), PKC (Gö6976), protein translation (cycloheximide; CHX), or caspases (zVAD-fmk) provides protection from NGF deprivation-induced death but not from degeneration evoked by BDNF-withdrawal. Interestingly, degeneration of BDNF-dependent sensory neurons requires BAX and appears to rely on reactive oxygen species (ROS) generation rather than caspases to induce degeneration. These results highlight the complexity and divergence of mechanisms regulating developmental sensory neuron death.
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28
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Takahashi M, Sanchez JT. Effects of Neurotrophin-3 on Intrinsic Neuronal Properties at a Central Auditory Structure. Neurosci Insights 2020; 15:2633105520980442. [PMID: 33354669 PMCID: PMC7734498 DOI: 10.1177/2633105520980442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 11/23/2020] [Indexed: 11/15/2022] Open
Abstract
Neurotrophins, a class of growth factor proteins that control neuronal proliferation, morphology, and apoptosis, are found ubiquitously throughout the nervous system. One particular neurotrophin (NT-3) and its cognate tyrosine receptor kinase (TrkC) have recently received attention as a possible therapeutic target for synaptopathic sensorineural hearing loss. Additionally, research shows that NT-3-TrkC signaling plays a role in establishing the sensory organization of frequency topology (ie, tonotopic order) in the cochlea of the peripheral inner ear. However, the neurotrophic effects of NT-3 on central auditory properties are unclear. In this study we examined whether NT-3-TrkC signaling affects the intrinsic electrophysiological properties at a first-order central auditory structure in chicken, known as nucleus magnocellularis (NM). Here, the expression pattern of specific neurotrophins is well known and tightly regulated. By using whole-cell patch-clamp electrophysiology, we show that NT-3 application to brainstem slices does not affect intrinsic properties of high-frequency neuronal regions but had robust effects for low-frequency neurons, altering voltage-dependent potassium functions, action potential repolarization kinetics, and passive membrane properties. We suggest that NT-3 may contribute to the precise establishment and organization of tonotopy in the central auditory pathway by playing a specialized role in regulating the development of intrinsic neuronal properties of low-frequency NM neurons.
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Affiliation(s)
- Momoko Takahashi
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA
| | - Jason Tait Sanchez
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA
- Department of Neurobiology, Northwestern University, Evanston, IL, USA
- The Hugh Knowles Hearing Research Center, Northwestern University, Evanston, IL, USA
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29
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Bartkowska K, Tepper B, Gawda A, Jarosik M, Sobolewska P, Turlejski K, Djavadian RL. Inhibition of TrkB- and TrkC-Signaling Pathways Affects Neurogenesis in the Opossum Developing Neocortex. Cereb Cortex 2020; 29:3666-3675. [PMID: 30272136 DOI: 10.1093/cercor/bhy246] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 08/31/2018] [Accepted: 09/05/2018] [Indexed: 12/15/2022] Open
Abstract
We have previously reported that the blockage of TrkB and TrkC signaling in primary culture of opossum neocortical cells affects neurogenesis that involves a range of processes including cell proliferation, differentiation, and survival. Here, we studied whether TrkB and TrkC activity specifically affects various types of progenitor cell populations during neocortex formation in the Monodelphis opossum in vivo. We found that the inhibition of TrkB and TrkC activities affects the same proliferative cellular phenotype, but TrkC causes more pronounced changes in the rate of cell divisions. Additionally, inhibition of TrkB and TrkC does not affect apoptosis in vivo, which was found in cell culture experiments. The lack of TrkB and TrkC receptor activity caused the arrest of newly generated neurons; therefore, they could not penetrate the subplate zone. We suggest that at this time point in development, migration consists of 2 steps. During the initial step, neurons migrate and reach the base of the subplate, whereas during the next step the migration of neurons to their final position is regulated by TrkB or TrkC signaling.
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Affiliation(s)
- K Bartkowska
- Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - B Tepper
- Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - A Gawda
- Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - M Jarosik
- Faculty of Biology and Environmental Sciences, Cardinal Stefan Wyszynski University in Warsaw, Poland
| | - P Sobolewska
- Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
| | - K Turlejski
- Faculty of Biology and Environmental Sciences, Cardinal Stefan Wyszynski University in Warsaw, Poland
| | - R L Djavadian
- Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland
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30
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Thomaz A, Jaeger M, Brunetto AL, Brunetto AT, Gregianin L, de Farias CB, Ramaswamy V, Nör C, Taylor MD, Roesler R. Neurotrophin Signaling in Medulloblastoma. Cancers (Basel) 2020; 12:E2542. [PMID: 32906676 PMCID: PMC7564905 DOI: 10.3390/cancers12092542] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 09/04/2020] [Accepted: 09/06/2020] [Indexed: 12/11/2022] Open
Abstract
Neurotrophins are a family of secreted proteins that act by binding to tropomyosin receptor kinase (Trk) or p75NTR receptors to regulate nervous system development and plasticity. Increasing evidence indicates that neurotrophins and their receptors in cancer cells play a role in tumor growth and resistance to treatment. In this review, we summarize evidence indicating that neurotrophin signaling influences medulloblastoma (MB), the most common type of malignant brain cancer afflicting children. We discuss the potential of neurotrophin receptors as new therapeutic targets for the treatment of MB. Overall, activation of TrkA and TrkC types of receptors seem to promote cell death, whereas TrkB might stimulate MB growth, and TrkB inhibition displays antitumor effects. Importantly, we show analyses of the gene expression profile of neurotrophins and their receptors in MB primary tumors, which indicate, among other findings, that higher levels of NTRK1 or NTRK2 are associated with reduced overall survival (OS) of patients with SHH MB tumors.
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Affiliation(s)
- Amanda Thomaz
- Cancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; (A.T.); (M.J.); (A.L.B.); (A.T.B.); (L.G.); (C.B.d.F.)
- Department of Pharmacology, Institute for Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre 90050-170, RS, Brazil
| | - Mariane Jaeger
- Cancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; (A.T.); (M.J.); (A.L.B.); (A.T.B.); (L.G.); (C.B.d.F.)
- Children’s Cancer Institute, Porto Alegre 90620-110, RS, Brazil
| | - Algemir L. Brunetto
- Cancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; (A.T.); (M.J.); (A.L.B.); (A.T.B.); (L.G.); (C.B.d.F.)
- Children’s Cancer Institute, Porto Alegre 90620-110, RS, Brazil
| | - André T. Brunetto
- Cancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; (A.T.); (M.J.); (A.L.B.); (A.T.B.); (L.G.); (C.B.d.F.)
- Children’s Cancer Institute, Porto Alegre 90620-110, RS, Brazil
| | - Lauro Gregianin
- Cancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; (A.T.); (M.J.); (A.L.B.); (A.T.B.); (L.G.); (C.B.d.F.)
- Department of Pediatrics, School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil
- Pediatric Oncology Service, Clinical Hospital, Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil
| | - Caroline Brunetto de Farias
- Cancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; (A.T.); (M.J.); (A.L.B.); (A.T.B.); (L.G.); (C.B.d.F.)
- Children’s Cancer Institute, Porto Alegre 90620-110, RS, Brazil
| | - Vijay Ramaswamy
- The Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON 17-9702, Canada; (V.R.); (C.N.); (M.D.T.)
- Division of Haematology/Oncology, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Carolina Nör
- The Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON 17-9702, Canada; (V.R.); (C.N.); (M.D.T.)
- Developmental and Stem Cell Biology Program, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Michael D. Taylor
- The Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON 17-9702, Canada; (V.R.); (C.N.); (M.D.T.)
- Developmental and Stem Cell Biology Program, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A1, Canada
- Division of Neurosurgery, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Rafael Roesler
- Cancer and Neurobiology Laboratory, Experimental Research Center, Clinical Hospital (CPE-HCPA), Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil; (A.T.); (M.J.); (A.L.B.); (A.T.B.); (L.G.); (C.B.d.F.)
- Department of Pharmacology, Institute for Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre 90050-170, RS, Brazil
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Regulation of TrkB cell surface expression-a mechanism for modulation of neuronal responsiveness to brain-derived neurotrophic factor. Cell Tissue Res 2020; 382:5-14. [PMID: 32556728 PMCID: PMC7529634 DOI: 10.1007/s00441-020-03224-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 04/27/2020] [Indexed: 12/27/2022]
Abstract
Neurotrophin signaling via receptor tyrosine kinases is essential for the development and function of the nervous system in vertebrates. TrkB activation and signaling show substantial differences to other receptor tyrosine kinases of the Trk family that mediate the responses to nerve growth factor and neurotrophin-3. Growing evidence suggests that TrkB cell surface expression is highly regulated and determines the sensitivity of neurons to brain-derived neurotrophic factor (BDNF). This translocation of TrkB depends on co-factors and modulators of cAMP levels, N-glycosylation, and receptor transactivation. This process can occur in very short time periods and the resulting rapid modulation of target cell sensitivity to BDNF could represent a mechanism for fine-tuning of synaptic plasticity and communication in complex neuronal networks. This review focuses on those modulatory mechanisms in neurons that regulate responsiveness to BDNF via control of TrkB surface expression.
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32
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Bothwell M. Recent advances in understanding context-dependent mechanisms controlling neurotrophin signaling and function. F1000Res 2019; 8:F1000 Faculty Rev-1658. [PMID: 31583078 PMCID: PMC6758832 DOI: 10.12688/f1000research.19174.1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/11/2019] [Indexed: 01/01/2023] Open
Abstract
Complex mechanisms control the signaling of neurotrophins through p75 NTR and Trk receptors, allowing cellular responses that are highly context dependent, particularly in the nervous system and particularly with regard to the neurotrophin brain-derived neurotrophic factor (BDNF). Recent reports describe a variety of sophisticated regulatory mechanisms that contribute to such functional flexibility. Mechanisms described include regulation of trafficking of alternative BDNF transcripts, regulation of post-translational processing and secretion of BDNF, engagement of co-receptors that influence localization and signaling of p75 NTR and Trk receptors, and control of trafficking of receptors in the endocytic pathway and during anterograde and retrograde axonal transport.
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Affiliation(s)
- Mark Bothwell
- Department of Physiology & Biophysics, University of Washington Medical Center, Seattle, WA, 98195-7290, USA
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Abstract
In spite of the high metabolic cost of cellular production, the brain contains only a fraction of the neurons generated during embryonic development. In the rodent cerebral cortex, a first wave of programmed cell death surges at embryonic stages and affects primarily progenitor cells. A second, larger wave unfolds during early postnatal development and ultimately determines the final number of cortical neurons. Programmed cell death in the developing cortex is particularly dependent on neuronal activity and unfolds in a cell-specific manner with precise temporal control. Pyramidal cells and interneurons adjust their numbers in sync, which is likely crucial for the establishment of balanced networks of excitatory and inhibitory neurons. In contrast, several other neuronal populations are almost completely eliminated through apoptosis during the first two weeks of postnatal development, highlighting the importance of programmed cell death in sculpting the mature cerebral cortex.
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Affiliation(s)
- Fong Kuan Wong
- Centre for Developmental Neurobiology, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE1 1UL, United Kingdom; .,MRC Centre for Neurodevelopmental Disorders, King's College London, London SE1 1UL, United Kingdom
| | - Oscar Marín
- Centre for Developmental Neurobiology, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE1 1UL, United Kingdom; .,MRC Centre for Neurodevelopmental Disorders, King's College London, London SE1 1UL, United Kingdom
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Sepahi A, Kraus A, Casadei E, Johnston CA, Galindo-Villegas J, Kelly C, García-Moreno D, Muñoz P, Mulero V, Huertas M, Salinas I. Olfactory sensory neurons mediate ultrarapid antiviral immune responses in a TrkA-dependent manner. Proc Natl Acad Sci U S A 2019; 116:12428-12436. [PMID: 31160464 DOI: 10.1101/464214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023] Open
Abstract
The nervous system regulates host immunity in complex ways. Vertebrate olfactory sensory neurons (OSNs) are located in direct contact with pathogens; however, OSNs' ability to detect danger and initiate immune responses is unclear. We report that nasal delivery of rhabdoviruses induces apoptosis in crypt OSNs via the interaction of the OSN TrkA receptor with the viral glycoprotein in teleost fish. This signal results in electrical activation of neurons and very rapid proinflammatory responses in the olfactory organ (OO), but dampened inflammation in the olfactory bulb (OB). CD8α+ cells infiltrate the OO within minutes of nasal viral delivery, and TrkA blocking, but not caspase-3 blocking, abrogates this response. Infiltrating CD8α+ cells were TCRαβ T cells with a nonconventional phenotype that originated from the microvasculature surrounding the OB and not the periphery. Nasal delivery of viral glycoprotein (G protein) recapitulated the immune responses observed with the whole virus, and antibody blocking of viral G protein abrogated these responses. Ablation of crypt neurons in zebrafish resulted in increased susceptibility to rhabdoviruses. These results indicate a function for OSNs as a first layer of pathogen detection in vertebrates and as orchestrators of nasal-CNS antiviral immune responses.
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Affiliation(s)
- Ali Sepahi
- Center of Evolutionary and Theoretical Immunology, Biology Department, University of New Mexico, Albuquerque, NM 87131
| | - Aurora Kraus
- Center of Evolutionary and Theoretical Immunology, Biology Department, University of New Mexico, Albuquerque, NM 87131
| | - Elisa Casadei
- Center of Evolutionary and Theoretical Immunology, Biology Department, University of New Mexico, Albuquerque, NM 87131
| | | | - Jorge Galindo-Villegas
- Department of Cell Biology and Histology, Faculty of Biology, Instituto Murciano de Investigación Biosanitaria-Arrixaca, Campus Universitario de Espinardo, University of Murcia, 30100 Murcia, Spain
- Faculty of Biosciences and Aquaculture, Nord University, 8049 Bodø, Norway
| | - Cecelia Kelly
- Center of Evolutionary and Theoretical Immunology, Biology Department, University of New Mexico, Albuquerque, NM 87131
| | - Diana García-Moreno
- Department of Cell Biology and Histology, Faculty of Biology, Instituto Murciano de Investigación Biosanitaria-Arrixaca, Campus Universitario de Espinardo, University of Murcia, 30100 Murcia, Spain
| | - Pilar Muñoz
- Department of Faculty of Veterinary, University of Murcia, 30100 Murcia, Spain
| | - Victoriano Mulero
- Department of Cell Biology and Histology, Faculty of Biology, Instituto Murciano de Investigación Biosanitaria-Arrixaca, Campus Universitario de Espinardo, University of Murcia, 30100 Murcia, Spain
| | - Mar Huertas
- Department of Biology, Texas State University, San Marcos, TX 78666
| | - Irene Salinas
- Center of Evolutionary and Theoretical Immunology, Biology Department, University of New Mexico, Albuquerque, NM 87131;
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Olfactory sensory neurons mediate ultrarapid antiviral immune responses in a TrkA-dependent manner. Proc Natl Acad Sci U S A 2019; 116:12428-12436. [PMID: 31160464 DOI: 10.1073/pnas.1900083116] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The nervous system regulates host immunity in complex ways. Vertebrate olfactory sensory neurons (OSNs) are located in direct contact with pathogens; however, OSNs' ability to detect danger and initiate immune responses is unclear. We report that nasal delivery of rhabdoviruses induces apoptosis in crypt OSNs via the interaction of the OSN TrkA receptor with the viral glycoprotein in teleost fish. This signal results in electrical activation of neurons and very rapid proinflammatory responses in the olfactory organ (OO), but dampened inflammation in the olfactory bulb (OB). CD8α+ cells infiltrate the OO within minutes of nasal viral delivery, and TrkA blocking, but not caspase-3 blocking, abrogates this response. Infiltrating CD8α+ cells were TCRαβ T cells with a nonconventional phenotype that originated from the microvasculature surrounding the OB and not the periphery. Nasal delivery of viral glycoprotein (G protein) recapitulated the immune responses observed with the whole virus, and antibody blocking of viral G protein abrogated these responses. Ablation of crypt neurons in zebrafish resulted in increased susceptibility to rhabdoviruses. These results indicate a function for OSNs as a first layer of pathogen detection in vertebrates and as orchestrators of nasal-CNS antiviral immune responses.
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The roles played by the MYCN, Trk, and ALK genes in neuroblastoma and neural development. Surg Today 2019; 49:721-727. [PMID: 30848386 DOI: 10.1007/s00595-019-01790-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 01/20/2019] [Indexed: 12/23/2022]
Abstract
Neuroblastoma is one of the most frequent, yet distinctive and challenging childhood tumors. The uniqueness of this tumor depends on its biological markers, which classify neuroblastomas into favorable and unfavorable, with 5-year survival rates ranging from almost 100-30%. In this review, we focus on some biological factors that play major roles in neuroblastoma: MYCN, Trk, and ALK. The MYCN and Trk family genes have been studied for decades and are known to be crucial for the tumorigenesis and progression of neuroblastoma. ALK gene mutations have been recognized recently to be responsible for familial neuroblastomas. Each factor plays an important role in normal neural development, regulating cell proliferation or differentiation by activating several signaling pathways, and interacting with each other. These factors have been studied not only as prognostic factors, but also as targets of neuroblastoma therapy, and some clinical trials are ongoing. We review the basic aspects of MYCN, Trk, and ALK in both neural development and in neuroblastoma.
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Developmental Axon Degeneration Requires TRPV1-Dependent Ca 2+ Influx. eNeuro 2019; 6:eN-NWR-0019-19. [PMID: 30838324 PMCID: PMC6399429 DOI: 10.1523/eneuro.0019-19.2019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 01/23/2019] [Accepted: 01/24/2019] [Indexed: 12/16/2022] Open
Abstract
Development of the nervous system relies on a balance between axon and dendrite growth and subsequent pruning and degeneration. The developmental degeneration of dorsal root ganglion (DRG) sensory axons has been well studied in part because it can be readily modeled by removing the trophic support by nerve growth factor (NGF) in vitro. We have recently reported that axonal fragmentation induced by NGF withdrawal is dependent on Ca2+, and here, we address the mechanism of Ca2+ entry required for developmental axon degeneration of mouse embryonic DRG neurons. Our results show that the transient receptor potential vanilloid family member 1 (TRPV1) cation channel plays a critical role mediating Ca2+ influx in DRG axons withdrawn from NGF. We further demonstrate that TRPV1 activation is dependent on reactive oxygen species (ROS) generation that is driven through protein kinase C (PKC) and NADPH oxidase (NOX)-dependent pathways that become active upon NGF withdrawal. These findings demonstrate novel mechanistic links between NGF deprivation, PKC activation, ROS generation, and TRPV1-dependent Ca2+ influx in sensory axon degeneration.
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38
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Gong B, Dong Y, He C, Jiang W, Shan Y, Zhou BY, Li W. Intravenous Transplants of Human Adipose-Derived Stem Cell Protect the Rat Brain From Ischemia-Induced Damage. J Stroke Cerebrovasc Dis 2018; 28:595-603. [PMID: 30482485 DOI: 10.1016/j.jstrokecerebrovasdis.2018.10.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 10/24/2018] [Accepted: 10/31/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Survival following cardiac arrest (CA) and subsequent cardiopulmonary resuscitation (CPR), to a great extent, depends on brain damage. Adipose-derived stem cells (ADSCs), as a source of paracrine growth factors and the capacity of neural differentiation may reduce this brain damage. OBJECTIVE The purpose of this study is to evaluate the protection of ADSCs to brain damage following CPR. METHODS Rats were divided into 3 groups, sham, CA, and ADSCs group. Rats in sham group went through sham surgery. Rats in CA group went through CA, CPR, and injection PBS (phosphate buffer saline). Rats in ADSCs group went through CA, CPR, and intravenous injection of ADSCs. Rats in sham group were sacrificed immediately after operation. At 24, 72, and 168 hours after return of spontaneous circulation operation, rats in CA and ADSCs group were randomly selected and sacrificed. Brain damage was evaluated by using Neurological Deficit Scale (NDS) score, hippocampal pathology, serum level of S100β, and apoptosis ratio of hippocampal neurons. Protein of brain derived neurotrophic factor (BDNF) and IL-6 (interleukin-6) in the hippocampus were detected. RESULTS Compared with sham group, CA and ADSCs group showed a decrease in NDS score, an increased apoptosis ratio of hippocampal nerve cells, increased serum level of S100-β, and a significant increase in neuroprotective IL-6 and BDNF. In comparison to CA group, ADSCs group had a mild degree of brain damage and higher expression of IL-6 and BDNF. CONCLUSIONS In the acute stage of cerebral injury following CA, ADSCs might improve the prognosis of brain damage by stimulating the expression of neuroprotective IL-6 and BDNF.
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Affiliation(s)
- Bo Gong
- Department of Emergency, Changzheng Hospital, The Second Military Medical University, Shanghai, PR China; Deparment of emergency, Hankou Branch of Central Theater General Hospital, Wuhan, PR China
| | - Yongpin Dong
- Department of Emergency, Changzheng Hospital, The Second Military Medical University, Shanghai, PR China
| | - Chao He
- Department of Emergency, Changzheng Hospital, The Second Military Medical University, Shanghai, PR China
| | - Weiwei Jiang
- Department of Emergency, Changzheng Hospital, The Second Military Medical University, Shanghai, PR China
| | - Yi Shan
- Department of Emergency, Changzheng Hospital, The Second Military Medical University, Shanghai, PR China
| | - Betty Y Zhou
- Shenzhen Alpha-biotechnology Inc. Shenzhen, PR China.
| | - Wenfang Li
- Department of Emergency, Changzheng Hospital, The Second Military Medical University, Shanghai, PR China.
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Notaras M, van den Buuse M. Brain-Derived Neurotrophic Factor (BDNF): Novel Insights into Regulation and Genetic Variation. Neuroscientist 2018; 25:434-454. [DOI: 10.1177/1073858418810142] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Since its discovery, brain-derived neurotrophic factor (BDNF) has spawned a literature that now spans 35 years of research. While all neurotrophins share considerable overlap in sequence homology and their processing, BDNF has become the most widely studied neurotrophin because of its broad roles in brain homeostasis, health, and disease. Although research on BDNF has produced thousands of articles, there remain numerous long-standing questions on aspects of BDNF molecular biology and signaling. Here we provide a comprehensive review, including both a historical narrative and a forward-looking perspective on advances in the actions of BDNF within the brain. We specifically review BDNF’s gene structure, peptide composition (including domains, posttranslational modifications and putative motif sites), mechanisms of transport, signaling pathway recruitment, and other recent developments including the functional effects of genetic variation and the discovery of a new BDNF prodomain ligand. This body of knowledge illustrates a highly conserved and complex role for BDNF within the brain, that promotes the idea that the neurotrophin biology of BDNF is diverse and that any disease involvement is likely to be equally multifarious.
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Affiliation(s)
- Michael Notaras
- Center for Neurogenetics, Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, Cornell University, New York, NY, USA
| | - Maarten van den Buuse
- School of Psychology and Public Health, La Trobe University, Melbourne, Victoria, Australia
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, Queensland, Australia
- Department of Pharmacology, University of Melbourne, Melbourne, Victoria, Australia
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40
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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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41
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Pathak A, Stanley EM, Hickman FE, Wallace N, Brewer B, Li D, Gluska S, Perlson E, Fuhrmann S, Akassoglou K, Bronfman F, Casaccia P, Burnette DT, Carter BD. Retrograde Degenerative Signaling Mediated by the p75 Neurotrophin Receptor Requires p150 Glued Deacetylation by Axonal HDAC1. Dev Cell 2018; 46:376-387.e7. [PMID: 30086304 PMCID: PMC6093198 DOI: 10.1016/j.devcel.2018.07.001] [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: 01/28/2017] [Revised: 05/19/2018] [Accepted: 07/01/2018] [Indexed: 12/23/2022]
Abstract
During development, neurons undergo apoptosis if they do not receive adequate trophic support from tissues they innervate or when detrimental factors activate the p75 neurotrophin receptor (p75NTR) at their axon ends. Trophic factor deprivation (TFD) or activation of p75NTR in distal axons results in a retrograde degenerative signal. However, the nature of this signal and the regulation of its transport are poorly understood. Here, we identify p75NTR intracellular domain (ICD) and histone deacetylase 1 (HDAC1) as part of a retrograde pro-apoptotic signal generated in response to TFD or ligand binding to p75NTR in sympathetic neurons. We report an unconventional function of HDAC1 in retrograde transport of a degenerative signal and its constitutive presence in sympathetic axons. HDAC1 deacetylates dynactin subunit p150Glued, which enhances its interaction with dynein. These findings define p75NTR ICD as a retrograde degenerative signal and reveal p150Glued deacetylation as a unique mechanism regulating axonal transport.
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Affiliation(s)
- Amrita Pathak
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, USA
| | - Emily M Stanley
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, USA
| | - F Edward Hickman
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, USA
| | - Natalie Wallace
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Bryson Brewer
- Vanderbilt University School of Engineering, Nashville, TN, USA
| | - Deyu Li
- Vanderbilt University School of Engineering, Nashville, TN, USA
| | - Shani Gluska
- Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Eran Perlson
- Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Sabine Fuhrmann
- Department of Cell & Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN, USA; Department of Ophthalmology and Visual Sciences, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Katerina Akassoglou
- Gladstone Institute of Neurological Disease and Department of Neurology, University of California, San Francisco, CA, USA
| | - Francisca Bronfman
- Center for Ageing and Regeneration (CARE UC), Faculty of Biological Sciences, Department of Physiology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Patrizia Casaccia
- Hunter College Department of Biology, Advanced Science Research Center at The Graduate Center of the City University of New York, New York, NY, USA
| | - Dylan T Burnette
- Department of Cell & Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Bruce D Carter
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, USA.
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Li D, Mullinax JE, Aiken T, Xin H, Wiegand G, Anderson A, Thorgeirsson S, Avital I, Rudloff U. Loss of PDPK1 abrogates resistance to gemcitabine in label-retaining pancreatic cancer cells. BMC Cancer 2018; 18:772. [PMID: 30064387 PMCID: PMC6069886 DOI: 10.1186/s12885-018-4690-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 07/23/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Label-retaining cancer cells (LRCC) have been proposed as a model of slowly cycling cancer stem cells (CSC) which mediate resistance to chemotherapy, tumor recurrence, and metastasis. The molecular mechanisms of chemoresistance in LRCC remain to-date incompletely understood. This study aims to identify molecular targets in LRCC that can be exploited to overcome resistance to gemcitabine, a standard chemotherapy agent for the treatment of pancreas cancer. METHODS LRCC were isolated following Cy5-dUTP staining by flow cytometry from pancreatic cancer cell lines. Gene expression profiles obtained from LRCC, non-LRCC (NLRCC), and bulk tumor cells were used to generate differentially regulated pathway networks. Loss of upregulated targets in LRCC on gemcitabine sensitivity was assessed via RNAi experiments and pharmacological inhibition. Expression patterns of PDPK1, one of the upregulated targets in LRCC, was studied in patients' tumor samples and correlated with pathological variables and clinical outcome. RESULTS LRCC are significantly more resistant to gemcitabine than the bulk tumor cell population. Non-canonical EGF (epidermal growth factor)-mediated signal transduction emerged as the top upregulated network in LRCC compared to non-LRCC, and knock down of EGF signaling effectors PDPK1 (3-phosphoinositide dependent protein kinase-1), BMX (BMX non-receptor tyrosine kinase), and NTRK2 (neurotrophic receptor tyrosine kinase 2) or treatment with PDPK1 inhibitors increased growth inhibition and induction of apoptosis in response to gemcitabine. Knockdown of PDPK1 preferentially increased growth inhibition and reduced resistance to induction of apoptosis upon gemcitabine treatment in the LRCC vs non-LRCC population. These findings are accompanied by lower expression levels of PDPK1 in tumors compared to matched uninvolved pancreas in surgical resection specimens and a negative association of membranous localization on IHC with high nuclear grade (p < 0.01). CONCLUSION Pancreatic cancer cell-derived LRCC are relatively resistant to gemcitabine and harbor a unique transcriptomic profile compared to bulk tumor cells. PDPK1, one of the members of an upregulated EGF-signaling network in LRCC, mediates resistance to gemcitabine, is found to be dysregulated in pancreas cancer specimens, and might be an attractive molecular target for combination therapy studies.
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Affiliation(s)
- Dandan Li
- Rare Tumor Initiative, Cancer for Cancer Research, National Cancer Institute, Building 10, Room 2B-38E, Bethesda, MD USA
| | | | - Taylor Aiken
- Thoracic & GI Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD USA
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI USA
| | - Hongwu Xin
- Laboratory of Oncology, Center for Molecular Medicine and Department of Molecular Biology and Biochemistry, School of Basic Medicine, Yangtze University, Jingzhou, Hubei China
| | - Gordon Wiegand
- Flow Cytometry Core, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC USA
| | | | - Snorri Thorgeirsson
- Laboratory of Experimental Carcinogenesis, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, USA
| | - Itzhak Avital
- St. Peter’s Hospital, Rutgers University, Robert Wood Johnson School of Medicine, New Brunswick, NJ USA
| | - Udo Rudloff
- Rare Tumor Initiative, Cancer for Cancer Research, National Cancer Institute, Building 10, Room 2B-38E, Bethesda, MD USA
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Dark C, Homman-Ludiye J, Bryson-Richardson RJ. The role of ADHD associated genes in neurodevelopment. Dev Biol 2018; 438:69-83. [DOI: 10.1016/j.ydbio.2018.03.023] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 03/04/2018] [Accepted: 03/27/2018] [Indexed: 12/19/2022]
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44
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Negulescu A, Mehlen P. Dependence receptors – the dark side awakens. FEBS J 2018; 285:3909-3924. [DOI: 10.1111/febs.14507] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/23/2018] [Accepted: 05/14/2018] [Indexed: 12/26/2022]
Affiliation(s)
- Ana‐Maria Negulescu
- Apoptosis, Cancer and Development Laboratory – Equipe labelisée “La Ligue” LabEx DEVweCAN INSERM U1052 – CNRS UMR5286 Centre de Cancérologie de Lyon Centre Léon Bérard Université Claude Bernard Lyon‐1 Université de Lyon France
| | - Patrick Mehlen
- Apoptosis, Cancer and Development Laboratory – Equipe labelisée “La Ligue” LabEx DEVweCAN INSERM U1052 – CNRS UMR5286 Centre de Cancérologie de Lyon Centre Léon Bérard Université Claude Bernard Lyon‐1 Université de Lyon France
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45
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Ménard M, Costechareyre C, Ichim G, Blachier J, Neves D, Jarrosson-Wuilleme L, Depping R, Koster J, Saintigny P, Mehlen P, Tauszig-Delamasure S. Hey1- and p53-dependent TrkC proapoptotic activity controls neuroblastoma growth. PLoS Biol 2018; 16:e2002912. [PMID: 29750782 PMCID: PMC5965893 DOI: 10.1371/journal.pbio.2002912] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 05/23/2018] [Accepted: 04/13/2018] [Indexed: 11/19/2022] Open
Abstract
The neurotrophin-3 (NT-3) receptor tropomyosin receptor kinase C (TrkC/NTRK3) has been described as a dependence receptor and, as such, triggers apoptosis in the absence of its ligand NT-3. This proapoptotic activity has been proposed to confer a tumor suppressor activity to this classic tyrosine kinase receptor (RTK). By investigating interacting partners that might facilitate TrkC-induced cell death, we have identified the basic helix-loop-helix (bHLH) transcription factor Hey1 and importin-α3 (karyopherin alpha 4 [KPNA4]) as direct interactors of TrkC intracellular domain, and we show that Hey1 is required for TrkC-induced apoptosis. We propose here that the cleaved proapoptotic portion of TrkC intracellular domain (called TrkC killer-fragment [TrkC-KF]) is translocated to the nucleus by importins and interacts there with Hey1. We also demonstrate that Hey1 and TrkC-KF transcriptionally silence mouse double minute 2 homolog (MDM2), thus contributing to p53 stabilization. p53 transcriptionally regulates the expression of TrkC-KF cytoplasmic and mitochondrial interactors cofactor of breast cancer 1 (COBRA1) and B cell lymphoma 2–associated X (BAX), which will subsequently trigger the intrinsic pathway of apoptosis. Of interest, TrkC was proposed to constrain tumor progression in neuroblastoma (NB), and we demonstrate in an avian model that TrkC tumor suppressor activity requires Hey1 and p53. Tropomyosin receptor kinase C (TrkC) is a transmembrane receptor at the cell surface and has been described to work paradoxically both as an oncogene and as a tumor suppressor. We partly solved this paradox in a previous study, demonstrating that TrkC is a double-facet receptor: Upon interaction with its ligand neurotrophin-3 (NT-3), TrkC has a tyrosine kinase activity and induces survival and proliferation of the cell; conversely, in the absence of the ligand, TrkC is cleaved and releases a "killer-fragment" that triggers apoptosis. In this study, we analyze the fate of this fragment and show that TrkC killer-fragment is translocated to the nucleus, where it stabilizes the apoptosis inducer p53. We further find that p53 activates the transcription of cytoplasmic molecular partners, which interact with TrkC killer-fragment and induce apoptosis. We also demonstrate that alteration of this mechanism favors tumor growth in neuroblastoma (NB), an avian tumor progression model for a pediatric cancer.
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Affiliation(s)
- Marie Ménard
- Apoptosis, Cancer and Development Laboratory—Equipe labellisée ‘La Ligue’, LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Clélia Costechareyre
- Apoptosis, Cancer and Development Laboratory—Equipe labellisée ‘La Ligue’, LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Gabriel Ichim
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Jonathan Blachier
- Apoptosis, Cancer and Development Laboratory—Equipe labellisée ‘La Ligue’, LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - David Neves
- Apoptosis, Cancer and Development Laboratory—Equipe labellisée ‘La Ligue’, LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Loraine Jarrosson-Wuilleme
- Apoptosis, Cancer and Development Laboratory—Equipe labellisée ‘La Ligue’, LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Reinhard Depping
- Universität zu Lübeck, Institut für Physiologie, Zentrum für Medizinische Struktur und Zellbiologie, Lübeck, Germany
| | - Jan Koster
- Department of Oncogenomics, Academic Medical Center, Amsterdam, the Netherlands
| | - Pierre Saintigny
- Department of translational Research and Innovation, Centre Léon Bérard, Lyon, France
| | - Patrick Mehlen
- Apoptosis, Cancer and Development Laboratory—Equipe labellisée ‘La Ligue’, LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, Lyon, France
- Department of translational Research and Innovation, Centre Léon Bérard, Lyon, France
- * E-mail: (PM); (ST)
| | - Servane Tauszig-Delamasure
- Apoptosis, Cancer and Development Laboratory—Equipe labellisée ‘La Ligue’, LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, Lyon, France
- * E-mail: (PM); (ST)
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46
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Cortical developmental death: selected to survive or fated to die. Curr Opin Neurobiol 2018; 53:35-42. [PMID: 29738999 DOI: 10.1016/j.conb.2018.04.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 04/19/2018] [Accepted: 04/23/2018] [Indexed: 11/20/2022]
Abstract
The mature cerebral cortex only contains a fraction of the cells that are generated during embryonic development. Indeed some neuronal populations are produced in excess and later subjected to partial elimination whereas others are almost completely removed during the first two postnatal weeks in mice. Although the identity of cells that disappear, the time course and mechanisms of their death are becoming reasonably well established, the meaning of producing supernumerary cells still remains elusive. In this review, we focus on recent data that shed a new light on the mechanisms involved in adjusting cell numbers and discuss the significance of refinement versus complete elimination of cell populations in the developing cortex.
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Abstract
Neuroblastomas are characterized by heterogeneous clinical behavior, from spontaneous regression or differentiation into a benign ganglioneuroma, to relentless progression despite aggressive, multimodality therapy. Indeed, neuroblastoma is unique among human cancers in terms of its propensity to undergo spontaneous regression. The strongest evidence for this comes from the mass screening studies conducted in Japan, North America and Europe and it is most evident in infants with stage 4S disease. This propensity is associated with a pattern of genomic change characterized by whole chromosome gains rather than segmental chromosome changes but the mechanism(s) underlying spontaneous regression are currently a matter of speculation. There is evidence to support several possible mechanisms of spontaneous regression in neuroblastomas: (1) neurotrophin deprivation, (2) loss of telomerase activity, (3) humoral or cellular immunity and (4) alterations in epigenetic regulation and possibly other mechanisms. It is likely that a better understanding of the mechanisms of spontaneous regression will help to identify targeted therapeutic approaches for these tumors. The most easily targeted mechanism is the delayed activation of developmentally programmed cell death regulated by the tropomyosin receptor kinase A (TrkA) pathway. Pan-Trk inhibitors are currently in clinical trials and so Trk inhibition might be used as the first line of therapy in infants with biologically favorable tumors that require treatment. Alternative approaches consist of breaking immune tolerance to tumor antigens but approaches to telomere shortening or epigenetic regulation are not easily druggable. The different mechanisms of spontaneous neuroblastoma regression are reviewed here, along with possible therapeutic approaches.
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Affiliation(s)
- Garrett M Brodeur
- Division of Oncology, Department of Pediatrics, the Children's Hospital of Philadelphia, University of Pennsylvania/Perelman School of Medicine, Philadelphia, PA, 19104, USA.
- Oncology Research, The Children's Hospital of Philadelphia, CTRB Rm. 3018, 3501 Civic Center Blvd., Philadelphia, PA, 19104-4302, USA.
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Chiang GC, Hu J, Morris E, Wang Y, Gauthier SA. Quantitative Susceptibility Mapping of the Thalamus: Relationships with Thalamic Volume, Total Gray Matter Volume, and T2 Lesion Burden. AJNR Am J Neuroradiol 2018; 39:467-472. [PMID: 29371258 DOI: 10.3174/ajnr.a5537] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 11/15/2017] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Both thalamic iron deposition and atrophy have been reported in patients with multiple sclerosis compared with healthy controls, but how they are related is unclear. The purpose of this study was to understand the pathophysiologic basis for this iron deposition. MATERIALS AND METHODS Ninety-five patients with relapsing-remitting multiple sclerosis underwent 3T MR imaging with a standardized protocol that included quantitative susceptibility mapping to measure iron concentration and a 3D T1 echo-spoiled gradient-echo sequence to obtain thalamic volumes. Volumes of interest were manually delineated on the quantitative susceptibility map to encompass both thalami. Multivariate regression analyses were performed to identify the association between thalamic susceptibility and volume. Associations between thalamic susceptibility and total gray matter volume, cortical thickness, and T2 lesion volume were also assessed. RESULTS The relative susceptibility of the thalamus was associated with T2 lesion volume (P = .015) and was higher in the presence of enhancing lesions (P = .013). The relative susceptibility of the thalami was not associated with thalamic volumes, total gray matter volumes, or cortical thickness (P > .05). CONCLUSIONS Iron levels in the thalami are associated with T2 lesion burden and the presence of enhancing lesions, but not with thalamic or gray matter volumes, suggesting that iron accumulation is associated with white matter inflammation rather than gray matter neurodegeneration.
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Affiliation(s)
- G C Chiang
- From the Departments of Radiology (G.C.C., J.H., Y.W.)
| | - J Hu
- From the Departments of Radiology (G.C.C., J.H., Y.W.)
| | - E Morris
- Neurology (E.M., S.A.G.), Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York
| | - Y Wang
- From the Departments of Radiology (G.C.C., J.H., Y.W.)
| | - S A Gauthier
- Neurology (E.M., S.A.G.), Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York
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Hsieh YL, Kan HW, Chiang H, Lee YC, Hsieh ST. Distinct TrkA and Ret modulated negative and positive neuropathic behaviors in a mouse model of resiniferatoxin-induced small fiber neuropathy. Exp Neurol 2017; 300:87-99. [PMID: 29106982 DOI: 10.1016/j.expneurol.2017.10.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 10/21/2017] [Accepted: 10/25/2017] [Indexed: 12/18/2022]
Abstract
Neurotrophic factors and their corresponding receptors play key roles in the maintenance of different phenotypic dorsal root ganglion (DRG) neurons, the axons of which degenerate in small fiber neuropathy, leading to various neuropathic manifestations. Mechanisms underlying positive and negative symptoms of small fiber neuropathy have not been systematically explored. This study investigated the molecular basis of these seemingly paradoxical neuropathic behaviors according to the profiles of TrkA and Ret with immunohistochemical and pharmacological interventions in a mouse model of resiniferatoxin (RTX)-induced small fiber neuropathy. Mice with RTX neuropathy exhibited thermal hypoalgesia and mechanical allodynia, reduced skin innervation, and altered DRG expression profiles with decreased TrkA(+) neurons and increased Ret(+) neurons. RTX neuropathy induced the expression of activating transcription factor 3 (ATF3), and ATF3(+) neurons were colocalized with Ret but not with TrkA (P<0.001). As a neuroprotectant, 4-Methylcatechol (4MC) promoted skin reinnervation partially with correlated reversal of the neuropathic behaviors and altered neurochemical expression. Gambogic amide, a selective TrkA agonist, normalized thermal hypoalgesia, and GW441756, a TrkA kinase inhibitor, induced thermal hypoalgesia, which was already reversed by 4MC. Mechanical allodynia was reversed by a Ret kinase inhibitor, AST487, which induced thermal hyperalgesia in naïve mice. The activation of Ret signaling by XIB4035 induced mechanical allodynia and thermal hypoalgesia in RTX neuropathy mice in which the neuropathic behaviors were previously normalized by 4MC. Distinct neurotrophic factor receptors, TrkA and Ret, accounted for negative and positive neuropathic behaviors in RTX-induced small fiber neuropathy, respectively: TrkA for thermal hypoalgesia and Ret for mechanical allodynia and thermal hypoalgesia.
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Affiliation(s)
- Yu-Lin Hsieh
- Department of Anatomy, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan.
| | - Hung-Wei Kan
- Department of Anatomy and Cell Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Hao Chiang
- Department of Anatomy and Cell Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Department of Otology and Laryngology, Harvard Medical School, Boston, MA 02115, USA; Eaton-Peabody Laboratory, Massachusetts Eye and Ear Infirmary, Boston, MA 02114, USA
| | - Yi-Chen Lee
- Department of Anatomy, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
| | - Sung-Tsang Hsieh
- Department of Anatomy and Cell Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Department of Neurology, National Taiwan University Hospital, Taipei 10002, Taiwan; Graduate Institute of Brain and Mind Science, College of Medicine, National Taiwan University, Taipei 10051, Taiwan.
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50
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Royet A, Broutier L, Coissieux MM, Malleval C, Gadot N, Maillet D, Gratadou-Hupon L, Bernet A, Nony P, Treilleux I, Honnorat J, Liebl D, Pelletier L, Berger F, Meyronet D, Castets M, Mehlen P. Ephrin-B3 supports glioblastoma growth by inhibiting apoptosis induced by the dependence receptor EphA4. Oncotarget 2017; 8:23750-23759. [PMID: 28423606 PMCID: PMC5410341 DOI: 10.18632/oncotarget.16077] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Accepted: 02/15/2017] [Indexed: 02/01/2023] Open
Abstract
EphA4, an Ephrins tyrosine kinase receptor, behaves as a dependence receptor (DR) by triggering cell apoptosis in the absence of its ligand Ephrin-B3. DRs act as conditional tumor suppressors, engaging cell death based on ligand availability; this mechanism is bypassed by overexpression of DRs ligands in some aggressive cancers. The pair EphA4/Ephrin-B3 favors survival of neuronal progenitors of the brain subventricular zone, an area where glioblastoma multiform (GBM) are thought to originate. Here, we report that Ephrin-B3 is highly expressed in human biopsies and that it inhibits EphA4 pro-apoptotic activity in tumor cells. Angiogenesis is directly correlated with GBM aggressiveness and we demonstrate that Ephrin-B3 also supports the survival of endothelial cells in vitro and in vivo. Lastly, silencing of Ephrin-B3 decreases tumor vascularization and growth in a xenograft mice model. Interference with EphA4/Ephrin-B3 interaction could then be envisaged as a relevant strategy to slow GBM growth by enhancing EphA4-induced cell death.
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Affiliation(s)
- Amélie Royet
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008 Lyon, France.,Netris Pharma, 69008 Lyon, France
| | - Laura Broutier
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008 Lyon, France
| | - Marie-May Coissieux
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008 Lyon, France
| | - Céline Malleval
- Lyon Neurosciences Research Center, Neuro-Oncology and Neuro-Inflammation laboratory, INSERM UMR1028, CNRS UMR5292, Université de Lyon, 69372 Lyon Cedex 08, France
| | - Nicolas Gadot
- Research Pathology, Department of Translational Research and Innovation, Centre Léon Bérard, 69008 Lyon, France
| | - Denis Maillet
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008 Lyon, France
| | - Lise Gratadou-Hupon
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008 Lyon, France.,Netris Pharma, 69008 Lyon, France
| | - Agnès Bernet
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008 Lyon, France.,Netris Pharma, 69008 Lyon, France
| | | | - Isabelle Treilleux
- Research Pathology, Department of Translational Research and Innovation, Centre Léon Bérard, 69008 Lyon, France
| | - Jérôme Honnorat
- Lyon Neurosciences Research Center, Neuro-Oncology and Neuro-Inflammation laboratory, INSERM UMR1028, CNRS UMR5292, Université de Lyon, 69372 Lyon Cedex 08, France
| | - Daniel Liebl
- University of Miami Miller School of Medicine, The Miami Project to Cure Paralysis, Miami, Fl 33136, USA
| | - Laurent Pelletier
- Grenoble Institut des Neurosciences, Nanomedicine and Brain Laboratory, INSERM U 836, BP 170, F38042 Grenoble Cedex 9, France
| | - François Berger
- Grenoble Institut des Neurosciences, Nanomedicine and Brain Laboratory, INSERM U 836, BP 170, F38042 Grenoble Cedex 9, France
| | - David Meyronet
- Centre de Pathologie et de Neuropathologie Est, Hospices Civils de Lyon, Lyon, France
| | - Marie Castets
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008 Lyon, France
| | - Patrick Mehlen
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008 Lyon, France.,Netris Pharma, 69008 Lyon, France.,Research Pathology, Department of Translational Research and Innovation, Centre Léon Bérard, 69008 Lyon, France
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