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Zhu D, Li Y, Zhang J, Chen Y, Song X, Chen W, Wu S, Hou L. Enhanced neuroprotective activity of ophthalmic delivered nerve growth factor conjugated with cell penetrating peptide against optic nerve injury. J Drug Target 2024; 32:93-99. [PMID: 38105766 DOI: 10.1080/1061186x.2023.2295220] [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: 08/16/2023] [Accepted: 12/10/2023] [Indexed: 12/19/2023]
Abstract
Aims: Nerve growth factor is a well characterised neurotrophic factor that play a critical role in the survival, growth and differentiation of neurons both in central and peripheral nervous system. However, it is difficult for the conventional exogenous nerve growth factor administration delivery to the central nervous system due to the biological barrier in human bodies.Results: We validated a series of cell penetrating peptides and found that L-PenetraMax significantly enhanced the efficiency of recombinant human nerve growth factor entry into the rat retina. In the optic nerve crush mice model, eye drop administration of recombinant human nerve growth factor alone promoted retinal ganglion cell survival and axon regeneration at high dose, while the combination of recombinant human nerve growth factor with L-PenetraMax significantly enhanced the neuroprotective efficacy at lower dose, thus potentially enhancing the availability of recombinant human nerve growth factor eye drops in patients with optic neuropathy.Conclusions: This study provides the evidence that the noncovalent coadministration of recombinant human nerve growth factor with L-PenetraMax could be a potent strategy for the non-invasive and sustained ocular delivery of therapeutic proteins for improving the optic nerve injury.
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Affiliation(s)
- Danni Zhu
- Institute of Biotechnology, Academy of Military Sciences, Beijing, China
| | - Yao Li
- Institute of Biotechnology, Academy of Military Sciences, Beijing, China
| | - Jinlong Zhang
- Institute of Biotechnology, Academy of Military Sciences, Beijing, China
| | - Yi Chen
- Institute of Biotechnology, Academy of Military Sciences, Beijing, China
| | - Xiaohong Song
- Institute of Biotechnology, Academy of Military Sciences, Beijing, China
| | - Wei Chen
- Institute of Biotechnology, Academy of Military Sciences, Beijing, China
| | - Shipo Wu
- Institute of Biotechnology, Academy of Military Sciences, Beijing, China
| | - Lihua Hou
- Institute of Biotechnology, Academy of Military Sciences, Beijing, China
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2
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Mercati F, Guelfi G, Martì MJI, Dall'Aglio C, Calleja L, Caivano D, Marenzoni ML, Capaccia C, Anipchenko P, Palermo FA, Cocci P, Rende M, Zerani M, Maranesi M. Seasonal variation of NGF in seminal plasma and expression of NGF and its cognate receptors NTRK1 and p75NTR in the sex organs of rams. Domest Anim Endocrinol 2024; 89:106877. [PMID: 39068905 DOI: 10.1016/j.domaniend.2024.106877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 07/16/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
Nerve growth factor (NGF) has long been known as the main ovulation-inducing factor in induced ovulation species, however, recent studies suggested the NGF role also in those with spontaneous ovulation. The first aim of this study was to evaluate the presence and gene expression of NGF and its cognate receptors, high-affinity neurotrophic tyrosine kinase 1 receptor (NTRK1) and low-affinity p75 nerve growth factor receptor (p75NTR), in the ram genital tract. Moreover, the annual trend of NGF seminal plasma values was investigated to evaluate the possible relationship between the NGF production variations and the ram reproductive seasonality. The presence and expression of the NGF/receptors system was evaluated in the testis, epididymis, vas deferens ampullae, seminal vesicles, prostate, and bulbourethral glands through immunohistochemistry and real-time PCR (qPCR), respectively. Genital tract samples were collected from 5 adult rams, regularly slaughtered at a local abattoir. Semen was collected during the whole year weekly, from 5 different adult rams, reared in a breeding facility, with an artificial vagina. NGF seminal plasma values were assessed through the ELISA method. NGF, NTRK1 and p75NTR immunoreactivity was detected in all male organs examined. NGF-positive immunostaining was observed in the spermatozoa of the germinal epithelium, in the epididymis and the cells of the secretory epithelium of annexed glands, NTRK1 receptor showed a localization pattern like that of NGF, whereas p75NTR immunopositivity was localized in the nerve fibers and ganglia. NGF gene transcript was highest (p < 0.01) in the seminal vesicles and lowest (p < 0.01) in the testis than in the other tissues. NTRK1 gene transcript was highest (p < 0.01) in the seminal vesicles and lowest (p < 0.05) in all the other tissues examined. Gene expression of p75NTR was highest (p < 0.01) in the seminal vesicles and lowest (p < 0.01) in the testis and bulbourethral glands. NGF seminal plasma concentration was greater from January to May (p < 0.01) than in the other months. This study highlighted that the NGF system was expressed in the tissues of all the different genital tracts examined, confirming the role of NGF in ram reproduction. Sheep are short-day breeders, with an anestrus that corresponds to the highest seminal plasma NGF levels, thus suggesting the intriguing idea that this factor could participate in an inhibitory mechanism of male reproductive activity, activated during the female anestrus.
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Affiliation(s)
- Francesca Mercati
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy
| | - Gabriella Guelfi
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy
| | | | - Cecilia Dall'Aglio
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy.
| | - Lucía Calleja
- Department of Biochemistry and Molecular and Cellular Biology, University of Zaragoza, Spain
| | - Domenico Caivano
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy
| | - Maria Luisa Marenzoni
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy
| | - Camilla Capaccia
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy
| | - Polina Anipchenko
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy
| | - Francesco Alessandro Palermo
- School of Bioscience and Veterinary Medicine, University of Camerino, Via Gentile III Da Varano, Camerino, MC I-62032, Italy
| | - Paolo Cocci
- School of Bioscience and Veterinary Medicine, University of Camerino, Via Gentile III Da Varano, Camerino, MC I-62032, Italy
| | - Mario Rende
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, Perugia 06132, Italy
| | - Massimo Zerani
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy
| | - Margherita Maranesi
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia 06126, Italy
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3
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Madhubala D, Mahato R, Khan MR, Bala A, Mukherjee AK. Neurotrophin peptidomimetics for the treatment of neurodegenerative diseases. Drug Discov Today 2024:104156. [PMID: 39233307 DOI: 10.1016/j.drudis.2024.104156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 08/21/2024] [Accepted: 08/29/2024] [Indexed: 09/06/2024]
Abstract
Neurotrophins, such as nerve growth factor and brain-derived neurotrophic factor, play an essential role in the survival of neurons. However, incorporating better features can increase their therapeutic efficacy in neurodegenerative diseases (NDs). Peptidomimetics, which mimic these neurotrophins, show potential for treating NDs. This study emphasizes the use of peptidomimetics from neurotrophins for treating NDs and their benefits. By improving bioavailability and stability, these molecules can completely transform the therapy for NDs. This in-depth review guides researchers and pharmaceutical developers, providing insight into the changing field of neurodegenerative medicine.
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Affiliation(s)
- Dev Madhubala
- Microbial Biotechnology and Protein Research Laboratory, Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, Assam, India; Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati 781035, Assam, India
| | - Rosy Mahato
- Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati 781035, Assam, India; Faculty of Science, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Mojibur R Khan
- Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati 781035, Assam, India; Faculty of Science, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Asis Bala
- Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati 781035, Assam, India; Faculty of Science, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Ashis K Mukherjee
- Microbial Biotechnology and Protein Research Laboratory, Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, Assam, India; Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati 781035, Assam, India; Faculty of Science, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India.
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4
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Gatta C, Avallone L, Costagliola A, Scocco P, D’Angelo L, de Girolamo P, De Felice E. Immunolocalization of Two Neurotrophins, NGF and BDNF, in the Pancreas of the South American Sea Lion Otaria flavescens and Bottlenose Dolphin Tursiops truncatus. Animals (Basel) 2024; 14:2336. [PMID: 39199870 PMCID: PMC11350702 DOI: 10.3390/ani14162336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 08/08/2024] [Accepted: 08/09/2024] [Indexed: 09/01/2024] Open
Abstract
In this study, we have investigated the immunolocalization of NGF (Nerve Growth Factor) and BDNF (Brain-Derived Neurotrophic Factor) in the pancreas of two species of marine mammals: Tursiops truncatus (common bottlenose dolphin), belonging to the order of the Artiodactyla, and Otaria flavescens (South American sea lion), belonging to the order of the Carnivora. Our results demonstrated a significant presence of NGF and BDNF in the pancreas of both species with a wide distribution pattern observed in the exocrine and endocrine components. We identified some differences that can be attributed to the different feeding habits of the two species, which possess a different morphological organization of the digestive system. Altogether, these preliminary observations open new perspectives on the function of neurotrophins and the adaptive mechanisms of marine mammals in the aquatic environment, suggesting potential parallels between the physiology of marine and terrestrial mammals.
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Affiliation(s)
- Claudia Gatta
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via F. Delpino 1, 80137 Naples, Italy; (C.G.); (L.A.); (A.C.); (L.D.); (P.d.G.)
| | - Luigi Avallone
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via F. Delpino 1, 80137 Naples, Italy; (C.G.); (L.A.); (A.C.); (L.D.); (P.d.G.)
| | - Anna Costagliola
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via F. Delpino 1, 80137 Naples, Italy; (C.G.); (L.A.); (A.C.); (L.D.); (P.d.G.)
| | - Paola Scocco
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile III da Varano, 62032 Camerino, Italy;
| | - Livia D’Angelo
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via F. Delpino 1, 80137 Naples, Italy; (C.G.); (L.A.); (A.C.); (L.D.); (P.d.G.)
| | - Paolo de Girolamo
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via F. Delpino 1, 80137 Naples, Italy; (C.G.); (L.A.); (A.C.); (L.D.); (P.d.G.)
| | - Elena De Felice
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile III da Varano, 62032 Camerino, Italy;
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5
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De Simone S, Alfieri L, Bosco MA, Cantatore S, Carpinteri M, Cipolloni L, Neri M. The forensic aspects of suicide and neurotrophin factors: a research study. Front Pharmacol 2024; 15:1392832. [PMID: 39170712 PMCID: PMC11335659 DOI: 10.3389/fphar.2024.1392832] [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: 02/28/2024] [Accepted: 07/26/2024] [Indexed: 08/23/2024] Open
Abstract
Introduction: Suicide represents a significant public health problem whose neurobiology is not yet fully understood. In many cases, suicidal behavior and psychiatric spectrum disorders are linked, in particular, to major depression. An emerging pathophysiological hypothesis underlines the role of neurotrophic factors, proteins involved in neurogenesis, in synaptic plasticity in response to stressors. Our research aims to evaluate the degree of expression of brain neurotrophic factor (BDNF) in brain areas involved in depressive disorder in suicidal subjects. Furthermore, we want to evaluate the expression of glial cell line-derived neurotrophic factor (GDNF) in suicidal subjects. Methods: We selected twenty confirmed cases of suicide among subjects with a clinical history of depressive pathology and possible psychopharmacological treatment, compared to ten controls of individuals who died of non-suicidal causes. For all selected cases and controls, immunohistochemical investigations were performed using a panel of antibodies against the BDNF and GDNF antigens on samples from the various brain areas. Results and discussion: The results show that BDNF was under-expressed in the cerebral parenchyma of subjects who died by suicide compared to controls, while there was an overexpression of GDNF in suicide victims, these data could be useful for a clinical application as potential markers for suicidal risk, to assess the severity of depression and development of specific pharmacological therapies for depression.
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Affiliation(s)
- Stefania De Simone
- Department of Clinical and Experimental Medicine, Section of Legal Medicine, University of Foggia, Foggia, Italy
| | - Letizia Alfieri
- Department of Medical Sciences, Section of Legal Medicine University of Ferrara, Ferrara, Italy
| | - Maria Antonella Bosco
- Department of Clinical and Experimental Medicine, Section of Legal Medicine, University of Foggia, Foggia, Italy
| | - Santina Cantatore
- Department of Clinical and Experimental Medicine, Section of Legal Medicine, University of Foggia, Foggia, Italy
| | - Michele Carpinteri
- Department of Biomedical, Metabolic and Neural Sciences, Institute of Legal Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Luigi Cipolloni
- Department of Clinical and Experimental Medicine, Section of Legal Medicine, University of Foggia, Foggia, Italy
| | - Margherita Neri
- Department of Medical Sciences, Section of Legal Medicine University of Ferrara, Ferrara, Italy
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6
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Wolf D, Ayon-Olivas M, Sendtner M. BDNF-Regulated Modulation of Striatal Circuits and Implications for Parkinson's Disease and Dystonia. Biomedicines 2024; 12:1761. [PMID: 39200225 PMCID: PMC11351984 DOI: 10.3390/biomedicines12081761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 07/26/2024] [Accepted: 08/01/2024] [Indexed: 09/02/2024] Open
Abstract
Neurotrophins, particularly brain-derived neurotrophic factor (BDNF), act as key regulators of neuronal development, survival, and plasticity. BDNF is necessary for neuronal and functional maintenance in the striatum and the substantia nigra, both structures involved in the pathogenesis of Parkinson's Disease (PD). Depletion of BDNF leads to striatal degeneration and defects in the dendritic arborization of striatal neurons. Activation of tropomyosin receptor kinase B (TrkB) by BDNF is necessary for the induction of long-term potentiation (LTP), a form of synaptic plasticity, in the hippocampus and striatum. PD is characterized by the degeneration of nigrostriatal neurons and altered striatal plasticity has been implicated in the pathophysiology of PD motor symptoms, leading to imbalances in the basal ganglia motor pathways. Given its essential role in promoting neuronal survival and meditating synaptic plasticity in the motor system, BDNF might have an important impact on the pathophysiology of neurodegenerative diseases, such as PD. In this review, we focus on the role of BDNF in corticostriatal plasticity in movement disorders, including PD and dystonia. We discuss the mechanisms of how dopaminergic input modulates BDNF/TrkB signaling at corticostriatal synapses and the involvement of these mechanisms in neuronal function and synaptic plasticity. Evidence for alterations of BDNF and TrkB in PD patients and animal models are reviewed, and the potential of BDNF to act as a therapeutic agent is highlighted. Advancing our understanding of these mechanisms could pave the way toward innovative therapeutic strategies aiming at restoring neuroplasticity and enhancing motor function in these diseases.
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Affiliation(s)
| | | | - Michael Sendtner
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany (M.A.-O.)
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7
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Pramanik S, Devi M H, Chakrabarty S, Paylar B, Pradhan A, Thaker M, Ayyadhury S, Manavalan A, Olsson PE, Pramanik G, Heese K. Microglia signaling in health and disease - Implications in sex-specific brain development and plasticity. Neurosci Biobehav Rev 2024; 165:105834. [PMID: 39084583 DOI: 10.1016/j.neubiorev.2024.105834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 07/21/2024] [Accepted: 07/27/2024] [Indexed: 08/02/2024]
Abstract
Microglia, the intrinsic neuroimmune cells residing in the central nervous system (CNS), exert a pivotal influence on brain development, homeostasis, and functionality, encompassing critical roles during both aging and pathological states. Recent advancements in comprehending brain plasticity and functions have spotlighted conspicuous variances between male and female brains, notably in neurogenesis, neuronal myelination, axon fasciculation, and synaptogenesis. Nevertheless, the precise impact of microglia on sex-specific brain cell plasticity, sculpting diverse neural network architectures and circuits, remains largely unexplored. This article seeks to unravel the present understanding of microglial involvement in brain development, plasticity, and function, with a specific emphasis on microglial signaling in brain sex polymorphism. Commencing with an overview of microglia in the CNS and their associated signaling cascades, we subsequently probe recent revelations regarding molecular signaling by microglia in sex-dependent brain developmental plasticity, functions, and diseases. Notably, C-X3-C motif chemokine receptor 1 (CX3CR1), triggering receptors expressed on myeloid cells 2 (TREM2), calcium (Ca2+), and apolipoprotein E (APOE) emerge as molecular candidates significantly contributing to sex-dependent brain development and plasticity. In conclusion, we address burgeoning inquiries surrounding microglia's pivotal role in the functional diversity of developing and aging brains, contemplating their potential implications for gender-tailored therapeutic strategies in neurodegenerative diseases.
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Affiliation(s)
- Subrata Pramanik
- Jyoti and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
| | - Harini Devi M
- Jyoti and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Saswata Chakrabarty
- Jyoti and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Berkay Paylar
- Biology, The Life Science Center, School of Science and Technology, Örebro University, Örebro 70182, Sweden
| | - Ajay Pradhan
- Biology, The Life Science Center, School of Science and Technology, Örebro University, Örebro 70182, Sweden
| | - Manisha Thaker
- Eurofins Lancaster Laboratories, Inc., 2425 New Holland Pike, Lancaster, PA 17601, USA
| | - Shamini Ayyadhury
- The Donnelly Centre, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - Arulmani Manavalan
- Department of Cariology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 600077, India
| | - Per-Erik Olsson
- Biology, The Life Science Center, School of Science and Technology, Örebro University, Örebro 70182, Sweden
| | - Gopal Pramanik
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand 835215, India.
| | - Klaus Heese
- Graduate School of Biomedical Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133791, the Republic of Korea.
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Chaldakov GN, Aloe L, Yanev SG, Fiore M, Tonchev AB, Vinciguerra M, Evtimov NT, Ghenev P, Dikranian K. Trackins (Trk-Targeting Drugs): A Novel Therapy for Different Diseases. Pharmaceuticals (Basel) 2024; 17:961. [PMID: 39065809 PMCID: PMC11279958 DOI: 10.3390/ph17070961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/19/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Many routes may lead to the transition from a healthy to a diseased phenotype. However, there are not so many routes to travel in the opposite direction; that is, therapy for different diseases. The following pressing question thus remains: what are the pathogenic routes and how can be they counteracted for therapeutic purposes? Human cells contain >500 protein kinases and nearly 200 protein phosphatases, acting on thousands of proteins, including cell growth factors. We herein discuss neurotrophins with pathogenic or metabotrophic abilities, particularly brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), pro-NGF, neurotrophin-3 (NT-3), and their receptor Trk (tyrosine receptor kinase; pronounced "track"). Indeed, we introduced the word trackins, standing for Trk-targeting drugs, that play an agonistic or antagonistic role in the function of TrkBBDNF, TrkCNT-3, TrkANGF, and TrkApro-NGF receptors. Based on our own published results, supported by those of other authors, we aim to update and enlarge our trackins concept, focusing on (1) agonistic trackins as possible drugs for (1a) neurotrophin-deficiency cardiometabolic disorders (hypertension, atherosclerosis, type 2 diabetes mellitus, metabolic syndrome, obesity, diabetic erectile dysfunction and atrial fibrillation) and (1b) neurodegenerative diseases (Alzheimer's disease, Parkinson's disease, and multiple sclerosis), and (2) antagonistic trackins, particularly TrkANGF inhibitors for prostate and breast cancer, pain, and arrhythmogenic right-ventricular dysplasia. Altogether, the druggability of TrkANGF, TrkApro-NGF, TrkBBDNF, and TrkCNT-3 receptors via trackins requires a further translational pursuit. This could provide rewards for our patients.
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Affiliation(s)
- George N. Chaldakov
- Departments of Anatomy and Cell Biology and Translational Stem Cell Biology, Research Institute, Medical University, 9002 Varna, Bulgaria
| | - Luigi Aloe
- Fondazione Iret, Tecnopolo R. Levi-Montalcini, Ozzano dell’Emilia, 40064 Bologna, Italy
| | - Stanislav G. Yanev
- Institute of Neurobiology, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Marco Fiore
- Institute of Biochemistry and Cell Biology, National Research Council, IBBC-CNR, 00185 Rome, Italy
| | - Anton B. Tonchev
- Departments of Anatomy and Cell Biology and Translational Stem Cell Biology, Research Institute, Medical University, 9002 Varna, Bulgaria
| | - Manlio Vinciguerra
- Department of Translational Stem Cell Biology, Research Institute, Medical University, 9002 Varna, Bulgaria
| | - Nikolai T. Evtimov
- Department of Urology, University St Anna Hospital, 9002 Varna, Bulgaria
| | - Peter Ghenev
- Department of General and Clinical Pathology, Medical University, 9002 Varna, Bulgaria
| | - Krikor Dikranian
- Department of Neuroscience, Medical School, Washington University, St. Louis, MO 63110, USA
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9
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Capossela L, Gatto A, Ferretti S, Di Sarno L, Graglia B, Massese M, Soligo M, Chiaretti A. Multifaceted Roles of Nerve Growth Factor: A Comprehensive Review with a Special Insight into Pediatric Perspectives. BIOLOGY 2024; 13:546. [PMID: 39056738 PMCID: PMC11273967 DOI: 10.3390/biology13070546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Revised: 07/11/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024]
Abstract
Nerve growth factor (NGF) is a neurotrophic peptide largely revealed for its ability to regulate the growth and survival of peripheral sensory, sympathetic, and central cholinergic neurons. The pro-survival and regenerative properties of neurotrophic factors propose a therapeutic potential in a wide range of brain diseases, and NGF, in particular, has appeared as an encouraging potential treatment. In this review, a summary of clinical studies regarding NGF and its therapeutic effects published to date, with a specific interest in the pediatric context, will be attempted. NGF has been studied in neurological disorders such as hypoxic-ischemic encephalopathy, traumatic brain injury, neurobehavioral and neurodevelopmental diseases, congenital malformations, cerebral infections, and in oncological and ocular diseases. The potential of NGF to support neuronal survival, repair, and plasticity in these contexts is highlighted. Emerging therapeutic strategies for NGF delivery, including intranasal administration as well as advanced nanotechnology-based methods, are discussed. These techniques aim to enhance NGF bioavailability and target specificity, optimizing therapeutic outcomes while minimizing systemic side effects. By synthesizing current research, this review underscores the promise and challenges of NGF-based therapies in pediatric neurology, advocating for continued innovation in delivery methods to fully harness NGF's therapeutic potential.
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Affiliation(s)
- Lavinia Capossela
- Institute of Pediatrics, Fondazione Policlinico A. Gemelli IRCCS-Università Cattolica Sacro Cuore, 00168 Rome, Italy; (S.F.); (L.D.S.); (B.G.); (A.C.)
| | - Antonio Gatto
- Institute of Pediatrics, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (A.G.); (M.M.)
| | - Serena Ferretti
- Institute of Pediatrics, Fondazione Policlinico A. Gemelli IRCCS-Università Cattolica Sacro Cuore, 00168 Rome, Italy; (S.F.); (L.D.S.); (B.G.); (A.C.)
| | - Lorenzo Di Sarno
- Institute of Pediatrics, Fondazione Policlinico A. Gemelli IRCCS-Università Cattolica Sacro Cuore, 00168 Rome, Italy; (S.F.); (L.D.S.); (B.G.); (A.C.)
| | - Benedetta Graglia
- Institute of Pediatrics, Fondazione Policlinico A. Gemelli IRCCS-Università Cattolica Sacro Cuore, 00168 Rome, Italy; (S.F.); (L.D.S.); (B.G.); (A.C.)
| | - Miriam Massese
- Institute of Pediatrics, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (A.G.); (M.M.)
| | - Marzia Soligo
- Istituto di Farmacologia Traslazionale, Consiglio Nazionale delle Ricerche (CNR), 00133 Rome, Italy;
| | - Antonio Chiaretti
- Institute of Pediatrics, Fondazione Policlinico A. Gemelli IRCCS-Università Cattolica Sacro Cuore, 00168 Rome, Italy; (S.F.); (L.D.S.); (B.G.); (A.C.)
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Rai MF, Cai L, Chinzei N, Schmidt EJ, Yousuf O, Guilak F, Brophy RH. Distinct patterns of cytokines, chemokines, and growth factors in synovial fluid after ACL injury in comparison to osteoarthritis. J Orthop Res 2024; 42:1448-1462. [PMID: 38294185 PMCID: PMC11161321 DOI: 10.1002/jor.25794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/25/2023] [Accepted: 01/04/2024] [Indexed: 02/01/2024]
Abstract
This study analyzed knee synovial fluid after anterior cruciate ligament (ACL) tear and in osteoarthritis (OA) to test the hypotheses that concentrations of cytokines, chemokines, and growth factors differ (a) by diagnosis and (b) after ACL tear by time from injury and presence/absence of concomitant meniscus tear. Synovial fluid samples were collected from two groups, ACL tears (with or without meniscus tear) (N = 13) and Kellgren-Lawrence grade 3 and 4 OA (N = 16), undergoing clinically indicated aspiration of the knee joint. Multiple cytokines, chemokines, and growth factors were assessed using a multiplexed 45-protein panel. Comparisons were made for the concentrations of all molecules between ACL tear and OA patients, isolated versus combined ACL and meniscus tears, and categorized by time from injury: acute or early subacute (<15 days, N = 8) versus late subacute or chronic (>15 days and <3 months, N = 5). ACL tear patients have higher levels of six molecules (IL-4, IL-5, IL-13, PlGF-1, bNGF, TNF-α) in knee synovial fluid compared to OA patients. Isolated ACL tears express higher levels of IL-4, IL-13 and IFN-γ and lower levels of IL-7 than ACL tears with a concomitant meniscus tear. SDF-1α, PlGF-1, IL-1RA, HGF, bNGF, and BDNF levels are elevated immediately after injury and drop off significantly in the late subacute phase (after 15 days). Synovial fluid from knees with ACL tears have elevated metabolic activity compared to knees with OA. The cytokine profiles after ACL tears are influenced by the time from injury and the presence of meniscus tears. These findings offer valuable insights into the levels of cytokines, chemokines, and growth factors in the knee after ACL injury, information which may have important implications for the diagnosis, prognosis and treatment of this common pathology.
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Affiliation(s)
- Muhammad Farooq Rai
- Department of Biological Sciences, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
- Division of Rheumatology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, United States
- Department of Biomedical Engineering, Saint Louis University of Science and Engineering, St. Louis, Missouri 63103, United States
| | - Lei Cai
- Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, Missouri 63110, United States
| | - Nobuaki Chinzei
- Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, Missouri 63110, United States
| | - Eric J. Schmidt
- College of Medical Science, University of Lynchburg, Lynchburg, VA 24501, United States
| | - Omer Yousuf
- Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, Missouri 63110, United States
| | - Farshid Guilak
- Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, Missouri 63110, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, United States
- Department of Biomedical Engineering, Washington University School of Engineering and Applied Science, St. Louis, Missouri 63130, United States
- Shriners Hospitals for Children – St. Louis, 4400 Clayton Ave. St. Louis, MO 63110 United States
| | - Robert H. Brophy
- Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, Missouri 63110, United States
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11
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Hino M, Nakanishi M, Nomoto H. The expression system affects the binding affinity between p75NTR and proNGF. Biochem Biophys Rep 2024; 38:101702. [PMID: 38596407 PMCID: PMC11001769 DOI: 10.1016/j.bbrep.2024.101702] [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: 01/25/2024] [Revised: 03/13/2024] [Accepted: 03/28/2024] [Indexed: 04/11/2024] Open
Abstract
ProNGF (nerve growth factor) is a precursor of NGF and a signaling peptide exerting opposite effects on neuronal cells, i.e., apoptotic or neuritogenic. The conflicting biological activity of proNGF depends on the relative levels of two membrane receptors, TrkA and p75NTR. The effect of proNGF depends on the expression levels of these receptor proteins and their affinity to proNGF. Since the affinity of proteins has been studied with various recombinant proteins, it is worth comparing the affinity of these proteins within one experiment with the same method. This study examined the affinity between a recombinant proNGF and p75NTR expressed in common systems: bacterial, insect, and mammalian cells. The extracellular domain of p75NTR expressed in the insect or mammalian systems bound to native mature NGF, with a higher affinity for the insect receptor. The uncleavable proNGF was expressed in the three systems and they showed neuritogenic activity in PC12 cells. These recombinant proteins were used to compare their binding affinity to p75NTR. The insect p75NTR showed a higher binding affinity to proNGF than the mammalian p75NTR. The insect p75NTR bound proNGF from the insect system with the highest affinity, then from the mammalian system, and the lowest from the bacterial system. Conversely, the mammalian p75NTR showed no such preference for proNGF. Because the recombinant proNGF and p75NTR from different expression systems are supposed to have the same amino acid sequences, these differences in the affinity depend likely on their post-translational modifications, most probably on their glycans. Each recombinant proNGF and p75NTR in various expression systems exhibited different mobilities on SDS-PAGE and reactivities with glycosidases and lectins.
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Affiliation(s)
- Mami Hino
- Laboratory of Biochemistry, School of Pharmaceutical Sciences, Matsuyama University, Matsuyama, Ehime, 790-8578, Japan
| | - Masayuki Nakanishi
- Laboratory of Biochemistry, School of Pharmaceutical Sciences, Matsuyama University, Matsuyama, Ehime, 790-8578, Japan
| | - Hiroshi Nomoto
- Laboratory of Biochemistry, School of Pharmaceutical Sciences, Matsuyama University, Matsuyama, Ehime, 790-8578, Japan
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12
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Holstein TW. The significance of Ethel Browne's research on Hydra for the organizer concept. Cells Dev 2024; 178:203907. [PMID: 38417631 DOI: 10.1016/j.cdev.2024.203907] [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: 01/25/2024] [Revised: 02/17/2024] [Accepted: 02/17/2024] [Indexed: 03/01/2024]
Abstract
This article focuses on the roots of the organizer concept, which was developed by Hans Spemann during his studies of early embryonic development in amphibians. The fundamental properties of this axis-inducing signaling center have been elucidated through pioneering molecular research by Eddy De Robertis' laboratory and other researchers. Evolutionary comparisons have disclosed the presence of this signaling center, involving the interaction of Wnt and TGF-beta signaling pathways, existed not only in vertebrates but also in basal Metazoa such as Cnidaria. - Notably, even prior to the groundbreaking experiments conducted by Hilde Mangold and Hans Spemann, Ethel Browne conducted similar transplantation experiments on Hydra polyps. They were performed under the guidance of Thomas H Morgan and in the laboratory of Edmund B Wilson. Howard Lenhoff was the first to draw connections between Ethel Browne's transplantation experiments and those of Spemann and Mangold, igniting a vivid debate on the precedence of the organizer concept and its recognition in Nobel Prize considerations. This review critically compares the experiments conducted by Spemann and Mangold with those preceding their seminal work, concluding that the organizer concept clearly builds upon earlier research aimed at understanding developmental gradients, such as in the simple model Hydra. However, these approaches were not pursued further by Morgan, who shifted his focus towards unraveling the genetic control of development in flies, an approach that ultimately revealed the molecular identity of the Spemann organizer in vertebrates.
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Affiliation(s)
- Thomas W Holstein
- Heidelberg University, Centre for Organismal Studies (COS), Molecular Evolution and Genomics, Im Neuenheimer Feld 230, D-69120 Heidelberg, Germany.
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13
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Gavioli E, Mantelli F, Cesta MC, Sacchetti M, Allegretti M. The History of Nerve Growth Factor: From Molecule to Drug. Biomolecules 2024; 14:635. [PMID: 38927039 PMCID: PMC11201509 DOI: 10.3390/biom14060635] [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: 04/09/2024] [Revised: 05/12/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024] Open
Abstract
Nerve growth factor (NGF), the first neurotrophin to be discovered, has a long and eventful research journey with a series of turning points, setbacks, and achievements. Since the groundbreaking investigations led by Nobel Prize winner Rita Levi-Montalcini, advancements in the comprehension of NGF's functions have revolutionized the field of neuroscience, offering new insights and opportunities for therapeutic innovation. However, the clinical application of NGF has historically been hindered by challenges in determining appropriate dosing, administration strategies, and complications related to the production process. Recent advances in the production and scientific knowledge of recombinant NGF have enabled its clinical development, and in 2018, the United States Food and Drug Administration approved cenegermin-bkbj, a recombinant human NGF, for the treatment of all stages of neurotrophic keratitis. This review traces the evolutionary path that transformed NGF from a biological molecule into a novel therapy with potential research applications beyond the eye. Special emphasis is put on the studies that advanced NGF from discovery to the first medicinal product approved to treat a human disease.
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Affiliation(s)
| | - Flavio Mantelli
- Dompé farmaceutici S.p.A., Via Santa Lucia, 6, 20122 Milano, Italy; (F.M.); (M.C.C.); (M.S.)
| | - Maria Candida Cesta
- Dompé farmaceutici S.p.A., Via Santa Lucia, 6, 20122 Milano, Italy; (F.M.); (M.C.C.); (M.S.)
| | - Marta Sacchetti
- Dompé farmaceutici S.p.A., Via Santa Lucia, 6, 20122 Milano, Italy; (F.M.); (M.C.C.); (M.S.)
| | - Marcello Allegretti
- Dompé farmaceutici S.p.A., Via Santa Lucia, 6, 20122 Milano, Italy; (F.M.); (M.C.C.); (M.S.)
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14
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Kovacheva E, Gevezova M, Maes M, Sarafian V. The mast cells - Cytokines axis in Autism Spectrum Disorder. Neuropharmacology 2024; 249:109890. [PMID: 38431049 DOI: 10.1016/j.neuropharm.2024.109890] [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: 01/22/2024] [Revised: 02/19/2024] [Accepted: 02/24/2024] [Indexed: 03/05/2024]
Abstract
Autism Spectrum Disorder (ASD) is a neurodevelopmental disturbance, diagnosed in early childhood. It is associated with varying degrees of dysfunctional communication and social skills, repetitive and stereotypic behaviors. Regardless of the constant increase in the number of diagnosed patients, there are still no established treatment schemes in global practice. Many children with ASD have allergic symptoms, often in the absence of mast cell (MC) positive tests. Activation of MCs may release molecules related to inflammation and neurotoxicity, which contribute to the pathogenesis of ASD. The aim of the present paper is to enrich the current knowledge regarding the relationship between MCs and ASD by providing PPI network analysis-based data that reveal key molecules and immune pathways associated with MCs in the pathogenesis of autism. Network and enrichment analyzes were performed using receptor information and secreted molecules from activated MCs identified in ASD patients. Our analyses revealed cytokines and key marker molecules for MCs degranulation, molecular pathways of key mediators released during cell degranulation, as well as various receptors. Understanding the relationship between ASD and the activation of MCs, as well as the involved molecules and interactions, is important for elucidating the pathogenesis of ASD and developing effective future treatments for autistic patients by discovering new therapeutic target molecules.
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Affiliation(s)
- Eleonora Kovacheva
- Department of Medical Biology, Medical University-Plovdiv, Plovdiv, Bulgaria; Research Institute at Medical University-Plovdiv, Plovdiv, Bulgaria
| | - Maria Gevezova
- Department of Medical Biology, Medical University-Plovdiv, Plovdiv, Bulgaria; Research Institute at Medical University-Plovdiv, Plovdiv, Bulgaria
| | - Michael Maes
- Research Institute at Medical University-Plovdiv, Plovdiv, Bulgaria; Sichuan Provincial Center for Mental Health, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China; Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, 610072, China; Department of Psychiatry, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand; Cognitive Fitness and Technology Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Department of Psychiatry, Medical University-Plovdiv, Plovdiv, Bulgaria; Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, South Korea
| | - Victoria Sarafian
- Department of Medical Biology, Medical University-Plovdiv, Plovdiv, Bulgaria; Research Institute at Medical University-Plovdiv, Plovdiv, Bulgaria.
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15
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Jia Y, Liu Y, Wang P, Liu Z, Zhang R, Chu M, Zhao A. NTRK2 Promotes Sheep Granulosa Cells Proliferation and Reproductive Hormone Secretion and Activates the PI3K/AKT Pathway. Animals (Basel) 2024; 14:1465. [PMID: 38791682 PMCID: PMC11117346 DOI: 10.3390/ani14101465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 05/04/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024] Open
Abstract
Neurotrophin receptor B (NTRK2), also named TRKB, belongs to the neurotrophic factor family. Previous studies have shown that NTRK2 is associated with high fertility in mammals. However, the molecular mechanism and regulatory pathway of this neurotrophic factor remain unclear. In this study, NTRK2 overexpression and NTRK2-siRNA were constructed to detect the effects of NTRK2 on the proliferation and hormone secretion of the ovarian granulosa cells (GCs) of sheep. We successfully isolated follicular phase granulosa cells in vitro from the ovaries of sheep in simultaneous estrus, and the immunofluorescence results confirmed that NTRK2 was expressed in the collected cells. Subsequently, the effect of NTRK2 on the proliferation of sheep granulosa cells was examined via cell transfection experiments. The results showed that the expression of CDK4 and CyclinD2 was significantly increased after NTRK2 overexpression, while the opposite trend was observed after the inhibition of NTRK2 expression (p < 0.05). The EdU and CCK-8 assays showed that the proliferation rate of sheep GCs was significantly increased after NTRK2 overexpression, while the opposite trend was observed after the inhibition of NTRK2 expression (p < 0.05). Moreover, NTRK2 significantly increased the expression of steroidogenesis-related genes, including steroidogenic acute regulatory protein (STAR) and hydroxy-δ-5-steroid dehydrogenase (HSD3B1), and cytochrome P450 family 19 subfamily A member 1 (CYP19A1). The ELISA results showed that the secretion levels of E2 and P4 significantly increased after NTRK2 overexpression, while the opposite trend was observed after the inhibition of NTRK2 expression (p < 0.05). Previous studies had confirmed that NTRK2 gene belongs to the PI3K-AKT signaling pathway and participates in the signaling of this pathway. This was demonstrated by protein-protein interaction analysis and NTRK2 belongs to the PI3K-AKT pathway. The modification of PI3K and AKT, markers of the PI3K-AKT pathway, via phosphorylation was increased after NTRK2 overexpression in the sheep GCs, while the opposite trend was observed after the inhibition of NTRK2 expression (p < 0.05). Overall, these results suggest that the NTRK2 gene regulates the proliferation of GCs and the secretion of steroid hormones in sheep, and that it influences the phosphorylation level of the PI3K/AKT signaling pathway. These findings provided a theoretical basis and new perspectives for exploring the regulation of NTRK2 gene in the development of ovine follicles.
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Affiliation(s)
- Yuhang Jia
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China;
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China; (Y.L.); (P.W.); (Z.L.); (R.Z.)
| | - Yufang Liu
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China; (Y.L.); (P.W.); (Z.L.); (R.Z.)
| | - Peng Wang
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China; (Y.L.); (P.W.); (Z.L.); (R.Z.)
| | - Ziyi Liu
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China; (Y.L.); (P.W.); (Z.L.); (R.Z.)
| | - Runan Zhang
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China; (Y.L.); (P.W.); (Z.L.); (R.Z.)
| | - Mingxing Chu
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China; (Y.L.); (P.W.); (Z.L.); (R.Z.)
| | - Ayong Zhao
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China;
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16
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Jorge KTDOS, Braga MP, Cazzaniga RA, Santos CNO, Teixeira MM, Gomes KB, de Jesus AMR, Soriani FM. The role of neurotrophin polymorphisms and susceptibility to neural damage in leprosy. Int J Infect Dis 2024; 142:106946. [PMID: 38278287 DOI: 10.1016/j.ijid.2024.01.013] [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: 09/28/2023] [Revised: 12/20/2023] [Accepted: 01/21/2024] [Indexed: 01/28/2024] Open
Abstract
OBJECTIVES Mycobacterium leprae is able to infect Schwann cells leading to neural damage. Neurotrophins are involved in nervous system plasticity and impact neural integrity during diseases. Investigate the association between single nucleotide polymorphisms in neurotrophin genes and leprosy phenotypes, especially neural damage. DESIGN We selected single nucleotide polymorphisms in neurotrophins or their receptors genes associated with neural disorders: rs6265 and rs11030099 of brain-derived neurotrophic factor (BDNF), rs6330 of BDNF, rs6332 in NT3 and rs2072446 of P75NTR. The association of genetic frequencies with leprosy phenotypes was investigated in a case-control study. RESULTS An association of the BDNF single nucleotide polymorphism rs11030099 with the number of affected nerves was demonstrated. The "AA+AC" genotypes were demonstrated to be protective against nerve impairment. However, this variation does not affect BDNF serum levels. BDNF is an important factor for myelination of Schwann cells and polymorphisms in this gene can be associated with leprosy outcome. Moreover, rs11030099 is located in the binding region for micro-RNA (miRNA) 26a that could be involved in control of BDNF expression. We demonstrated different expression levels of this miRNA in polar forms of leprosy. CONCLUSION Our findings demonstrate for the first time an association between the polymorphism rs11030099 in the BDNF gene and neural commitment in leprosy and may indicate a possible role of miRNA-26a acting synergistically to these genetic variants in neural damage development.
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Affiliation(s)
| | - Marina Pimenta Braga
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | | | - Mauro Martins Teixeira
- Laboratory of Immunopharmacology, Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Karina Braga Gomes
- Department of Clinical and Toxicological Analyzes - Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | - Frederico Marianetti Soriani
- Department of Genetics, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil.
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17
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Verres Y, Bodin A, Chevret S, Victoni T, Gicquel T, Barreto E, Freund-Michel V, Lagente V. Effects of the nerve growth factor and its carrier protein on the inflammatory response from human monocytes. Fundam Clin Pharmacol 2024. [PMID: 38693600 DOI: 10.1111/fcp.13006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/18/2024] [Accepted: 04/12/2024] [Indexed: 05/03/2024]
Abstract
BACKGROUND The nerve growth factor (NGF) has been previously shown to be involved in cellular proliferation, differentiation, survival, or wound healing. This factor displays a variety of biological effects that yet remain to be explored. Previous data on cell lines show a pro-inflammatory role of NGF on monocytes. OBJECTIVES The objective of the study was to investigate the pro-inflammatory effect of NGF, using a model of fresh human monocytes. METHODS Monocytes obtained from PBMC were exposed to NGF at various concentrations. Alternatively, monocytes were exposed to BSA, the NGF carrier protein without the NGF. Gene expression and cytokine release in the supernatant were monitored. RESULTS We found that NGF increased the expression of pro-inflammatory, chemotactic, and remodeling genes such as interleukin (IL)-1β, IL-6, tumor necrosis factor (TNF)-α, and C-X-C motif ligand (CXCL)8. The protein levels of CXCL8 and matrix metalloproteinase (MMP)-9 were also increased in the cell supernatants following NGF exposure. BSA alone was found to drive part of this response, bringing nuance to the inflammatory potential of the NGF. CONCLUSION These data suggest that NGF is able to enhance monocyte inflammatory responses once cells are stimulated with another signal but is possibly not able to directly activate it. This could have implications for example in patients with bacterial infections, where NGF could worsen the local inflammation by over-activating immune cells.
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Affiliation(s)
- Yann Verres
- NuMeCan Institute (Nutrition, Metabolism and Cancer), Univ. Rennes, INSERM, INRAE, CHU, Rennes, France
| | - Aude Bodin
- NuMeCan Institute (Nutrition, Metabolism and Cancer), Univ. Rennes, INSERM, INRAE, CHU, Rennes, France
| | - Sarah Chevret
- NuMeCan Institute (Nutrition, Metabolism and Cancer), Univ. Rennes, INSERM, INRAE, CHU, Rennes, France
| | - Tatiana Victoni
- University of Lyon, VetAgro Sup, APCSE, Marcy l'Etoile, France
| | - Thomas Gicquel
- NuMeCan Institute (Nutrition, Metabolism and Cancer), Univ. Rennes, INSERM, INRAE, CHU, Rennes, France
| | - Emiliano Barreto
- Laboratory of Cell Biology, Federal University of Alagoas, Maceió, Brazil
| | - Véronique Freund-Michel
- Centre de recherche Cardio-Thoracique de Bordeaux, INSERM, Pessac, France
- Centre de recherche Cardio-Thoracique de Bordeaux, University of Bordeaux, Bordeaux, France
| | - Vincent Lagente
- NuMeCan Institute (Nutrition, Metabolism and Cancer), Univ. Rennes, INSERM, INRAE, CHU, Rennes, France
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18
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Zhao S, Mo G, Wang Q, Xu J, Yu S, Huang Z, Liu W, Zhang W. Role of RB1 in neurodegenerative diseases: inhibition of post-mitotic neuronal apoptosis via Kmt5b. Cell Death Discov 2024; 10:182. [PMID: 38637503 PMCID: PMC11026443 DOI: 10.1038/s41420-024-01955-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 12/04/2023] [Accepted: 04/10/2024] [Indexed: 04/20/2024] Open
Abstract
During the development of the vertebrate nervous system, 50% of the nerve cells undergo apoptosis shortly after formation. This process is important for sculpting tissue during morphogenesis and removing transiently functional cells that are no longer needed, ensuring the appropriate number of neurons in each region. Dysregulation of neuronal apoptosis can lead to neurodegenerative diseases. However, the molecular events involved in activating and regulating the neuronal apoptosis program are not fully understood. In this study, we identified several RB1 mutations in patients with neurodegenerative diseases. Then, we used a zebrafish model to investigate the role of Rb1 in neuronal apoptosis. We showed that Rb1-deficient mutants exhibit a significant hindbrain neuronal apoptosis, resulting in increased microglia infiltration. We further revealed that the apoptotic neurons in Rb1-deficient zebrafish were post-mitotic neurons, and Rb1 inhibits the apoptosis of these neurons by regulating bcl2/caspase through binding to Kmt5b. Moreover, using this zebrafish mutant, we verified the pathogenicity of the R621S and L819V mutations of human RB1 in neuronal apoptosis. Collectively, our data indicate that the Rb1-Kmt5b-caspase/bcl2 axis is crucial for protecting post-mitotic neurons from apoptosis and provides an explanation for the pathogenesis of clinically relevant mutations.
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Affiliation(s)
- Shuang Zhao
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Guiling Mo
- Guangzhou KingMed Diagnostics Group Co., Ltd., International Biotech Island, Guangzhou, 510005, China
| | - Qiang Wang
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Jin Xu
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Shihui Yu
- Guangzhou KingMed Diagnostics Group Co., Ltd., International Biotech Island, Guangzhou, 510005, China
| | - Zhibin Huang
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Wei Liu
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
| | - Wenqing Zhang
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
- Greater Bay Biomedical Innocenter, Shenzhen Bay Laboratory, Shenzhen, 518055, China.
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19
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Giri SS, Tripathi AS, Erkekoğlu P, Zaki MEA. Molecular pathway of pancreatic cancer-associated neuropathic pain. J Biochem Mol Toxicol 2024; 38:e23638. [PMID: 38613466 DOI: 10.1002/jbt.23638] [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: 06/09/2023] [Revised: 11/29/2023] [Accepted: 12/21/2023] [Indexed: 04/15/2024]
Abstract
The pancreas is a heterocrine gland that has both exocrine and endocrine parts. Most pancreatic cancer begins in the cells that line the ducts of the pancreas and is called pancreatic ductal adenocarcinoma (PDAC). PDAC is the most encountered pancreatic cancer type. One of the most important characteristic features of PDAC is neuropathy which is primarily due to perineural invasion (PNI). PNI develops tumor microenvironment which includes overexpression of fibroblasts cells, macrophages, as well as angiogenesis which can be responsible for neuropathy pain. In tumor microenvironment inactive fibroblasts are converted into an active form that is cancer-associated fibroblasts (CAFs). Neurotrophins they also increase the level of Substance P, calcitonin gene-related peptide which is also involved in pain. Matrix metalloproteases are the zinc-associated proteases enzymes which activates proinflammatory interleukin-1β into its activated form and are responsible for release and activation of Substance P which is responsible for neuropathic pain by transmitting pain signal via dorsal root ganglion. All the molecules and their role in being responsible for neuropathic pain are described below.
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Affiliation(s)
| | - Alok Shiomurti Tripathi
- Department of Pharmacology, Era College of Pharmacy, Era University, Lucknow, Uttar Pradesh, India
| | - Pınar Erkekoğlu
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Magdi E A Zaki
- Department of Chemistry, Faculty of Science, Imam Mohammad lbn Saud Islamic University, Riyadh, Saudi Arabia
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20
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Jarne C. Exploring Flip Flop memories and beyond: training Recurrent Neural Networks with key insights. Front Syst Neurosci 2024; 18:1269190. [PMID: 38600907 PMCID: PMC11004305 DOI: 10.3389/fnsys.2024.1269190] [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: 07/29/2023] [Accepted: 03/11/2024] [Indexed: 04/12/2024] Open
Abstract
Training neural networks to perform different tasks is relevant across various disciplines. In particular, Recurrent Neural Networks (RNNs) are of great interest in Computational Neuroscience. Open-source frameworks dedicated to Machine Learning, such as Tensorflow and Keras have produced significant changes in the development of technologies that we currently use. This work contributes by comprehensively investigating and describing the application of RNNs for temporal processing through a study of a 3-bit Flip Flop memory implementation. We delve into the entire modeling process, encompassing equations, task parametrization, and software development. The obtained networks are meticulously analyzed to elucidate dynamics, aided by an array of visualization and analysis tools. Moreover, the provided code is versatile enough to facilitate the modeling of diverse tasks and systems. Furthermore, we present how memory states can be efficiently stored in the vertices of a cube in the dimensionally reduced space, supplementing previous results with a distinct approach.
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Affiliation(s)
- Cecilia Jarne
- Departamento de Ciencia y Tecnologia de la Universidad Nacional de Quilmes, Bernal, Quilmes, Buenos Aires, Argentina
- CONICET, Buenos Aires, Argentina
- Department of Clinical Medicine, Center of Functionally Integrative Neuroscience, Aarhus University, Aarhus, Denmark
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21
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Li Z, Wang S, Qin Y, Yang B, Wang C, Lu T, Xu J, Zhu L, Yuan C, Han W. Gabapentin attenuates cardiac remodeling after myocardial infarction by inhibiting M1 macrophage polarization through the peroxisome proliferator-activated receptor-γ pathway. Eur J Pharmacol 2024; 967:176398. [PMID: 38350591 DOI: 10.1016/j.ejphar.2024.176398] [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: 06/20/2023] [Revised: 01/16/2024] [Accepted: 02/05/2024] [Indexed: 02/15/2024]
Abstract
OBJECTIVES Inflammation regulates ventricular remodeling after myocardial infarction (MI), and gabapentin exerts anti-inflammatory effects. We investigated the anti-inflammatory role and mechanism of gabapentin after MI. METHODS Rats were divided into the sham group (n = 12), MI group (n = 20), and MI + gabapentin group (n = 16). MI was induced by left coronary artery ligation. The effects of gabapentin on THP-1-derived macrophages were examined in vitro. RESULTS In vivo, 1 week after MI, gabapentin significantly reduced inducible nitric oxide synthase (iNOS; M1 macrophage marker) expression and decreased pro-inflammatory factors (tumor necrosis factor [TNF]-α and interleukin [IL]-1β). Gabapentin upregulated the M2 macrophage marker arginase-1, as well as CD163 expression, and increased the expression of anti-inflammatory factors, including chitinase-like 3, IL-10, and transforming growth factor-β. Four weeks after MI, cardiac function, infarct size, and cardiac fibrosis improved after gabapentin treatment. Gabapentin inhibited sympathetic nerve activity and decreased ventricular electrical instability in rats after MI. Tyrosine hydroxylase and growth-associated protein 43 were suppressed after gabapentin treatment. Gabapentin downregulated nerve growth factor (NGF) and reduced pro-inflammatory factors (iNOS, TNF-α, and IL-1β). In vitro, gabapentin reduced NGF, iNOS, TNF-α, and IL-1β expression in lipopolysaccharide-stimulated macrophages. Mechanistic studies revealed that the peroxisome proliferator-activated receptor-γ antagonist GW9662 attenuated the effects of gabapentin. Moreover, gabapentin reduced α2δ1 expression in the macrophage plasma membrane and reduced the calcium content of macrophages. CONCLUSION Gabapentin attenuates cardiac remodeling by inhibiting inflammation via peroxisome proliferator-activated receptor-γ activation and preventing calcium overload.
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Affiliation(s)
- Zhenjun Li
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Shaoxian Wang
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Ying Qin
- College of Sports and Human Sciences, Harbin Sport University, Harbin, 150001, China
| | - Bo Yang
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Chengcheng Wang
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Tianyi Lu
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Jie Xu
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Lige Zhu
- Medical Department, The Second Affiliated Hospital of Hei Long Jiang University of Chinese Medicine, Harbin, 150001, China
| | - Chen Yuan
- School of Basic Medical Sciences, Harbin Medical University, Harbin, 150081, China
| | - Wei Han
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China; Department of Heart Failure, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China.
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22
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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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Shalabi S, Belayachi A, Larrivée B. Involvement of neuronal factors in tumor angiogenesis and the shaping of the cancer microenvironment. Front Immunol 2024; 15:1284629. [PMID: 38375479 PMCID: PMC10875004 DOI: 10.3389/fimmu.2024.1284629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/09/2024] [Indexed: 02/21/2024] Open
Abstract
Emerging evidence suggests that nerves within the tumor microenvironment play a crucial role in regulating angiogenesis. Neurotransmitters and neuropeptides released by nerves can interact with nearby blood vessels and tumor cells, influencing their behavior and modulating the angiogenic response. Moreover, nerve-derived signals may activate signaling pathways that enhance the production of pro-angiogenic factors within the tumor microenvironment, further supporting blood vessel growth around tumors. The intricate network of communication between neural constituents and the vascular system accentuates the potential of therapeutically targeting neural-mediated pathways as an innovative strategy to modulate tumor angiogenesis and, consequently, neoplastic proliferation. Hereby, we review studies that evaluate the precise molecular interplay and the potential clinical ramifications of manipulating neural elements for the purpose of anti-angiogenic therapeutics within the scope of cancer treatment.
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Affiliation(s)
- Sharif Shalabi
- Maisonneuve-Rosemont Hospital Research Center, Boulevard de l’Assomption, Montréal, QC, Canada
| | - Ali Belayachi
- Maisonneuve-Rosemont Hospital Research Center, Boulevard de l’Assomption, Montréal, QC, Canada
| | - Bruno Larrivée
- Maisonneuve-Rosemont Hospital Research Center, Boulevard de l’Assomption, Montréal, QC, Canada
- Department of Biochemistry and Molecular Medicine, Montréal, QC, Canada
- Ophthalmology, Université de Montréal, boul. Édouard-Montpetit, Montréal, QC, Canada
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24
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Yin T, Wang G, Wang L, Mudgal P, Wang E, Pan CC, Alexander PB, Wu H, Cao C, Liang Y, Tan L, Huang D, Chong M, Chen R, Lim BJW, Xiang K, Xue W, Wan L, Hu H, Loh YH, Wang XF, Li QJ. Breaking NGF-TrkA immunosuppression in melanoma sensitizes immunotherapy for durable memory T cell protection. Nat Immunol 2024; 25:268-281. [PMID: 38195702 DOI: 10.1038/s41590-023-01723-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 11/29/2023] [Indexed: 01/11/2024]
Abstract
Melanoma cells, deriving from neuroectodermal melanocytes, may exploit the nervous system's immune privilege for growth. Here we show that nerve growth factor (NGF) has both melanoma cell intrinsic and extrinsic immunosuppressive functions. Autocrine NGF engages tropomyosin receptor kinase A (TrkA) on melanoma cells to desensitize interferon γ signaling, leading to T and natural killer cell exclusion. In effector T cells that upregulate surface TrkA expression upon T cell receptor activation, paracrine NGF dampens T cell receptor signaling and effector function. Inhibiting NGF, either through genetic modification or with the tropomyosin receptor kinase inhibitor larotrectinib, renders melanomas susceptible to immune checkpoint blockade therapy and fosters long-term immunity by activating memory T cells with low affinity. These results identify the NGF-TrkA axis as an important suppressor of anti-tumor immunity and suggest larotrectinib might be repurposed for immune sensitization. Moreover, by enlisting low-affinity T cells, anti-NGF reduces acquired resistance to immune checkpoint blockade and prevents melanoma recurrence.
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Affiliation(s)
- Tao Yin
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
- Department of Immunology, Duke University School of Medicine, Durham, NC, USA
| | - Guoping Wang
- Department of Immunology, Duke University School of Medicine, Durham, NC, USA
| | - Liuyang Wang
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA
| | | | - Ergang Wang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | - Christopher C Pan
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | | | | | | | - Yaosi Liang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | - Lianmei Tan
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | - De Huang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | - Mengyang Chong
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | - Rui Chen
- Hervor Therapeutics, Hangzhou, China
| | - Bryan Jian Wei Lim
- Department of Immunology, Duke University School of Medicine, Durham, NC, USA
| | - Kun Xiang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA
| | - Wei Xue
- Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Lixin Wan
- Department of Molecular Oncology and Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Hailan Hu
- Zhejiang University School of Brain Science and Brain Medicine, Hangzhou, China
| | - Yuin-Han Loh
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Xiao-Fan Wang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA.
| | - Qi-Jing Li
- Department of Immunology, Duke University School of Medicine, Durham, NC, USA.
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.
- Singapore Immunology Network, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.
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25
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Ayaz M, Mosa OF, Nawaz A, Hamdoon AAE, Elkhalifa MEM, Sadiq A, Ullah F, Ahmed A, Kabra A, Khan H, Murthy HCA. Neuroprotective potentials of Lead phytochemicals against Alzheimer's disease with focus on oxidative stress-mediated signaling pathways: Pharmacokinetic challenges, target specificity, clinical trials and future perspectives. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 124:155272. [PMID: 38181530 DOI: 10.1016/j.phymed.2023.155272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 11/05/2023] [Accepted: 12/10/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Alzheimer's diseases (AD) and dementia are among the highly prevalent neurological disorders characterized by deposition of beta amyloid (Aβ) plaques, dense deposits of highly phosphorylated tau proteins, insufficiency of acetylcholine (ACh) and imbalance in glutamatergic system. Patients typically experience cognitive, behavioral alterations and are unable to perform their routine activities. Evidence also suggests that inflammatory processes including excessive microglia activation, high expression of inflammatory cytokines and release of free radicals. Thus, targeting inflammatory pathways beside other targets might be the key factors to control- disease symptoms and progression. PURPOSE This review is aimed to highlight the mechanisms and pathways involved in the neuroprotective potentials of lead phytochemicals. Further to provide updates regarding challenges associated with their use and their progress into clinical trials as potential lead compounds. METHODS Most recent scientific literature on pre-clinical and clinical data published in quality journals especially on the lead phytochemicals including curcumin, catechins, quercetin, resveratrol, genistein and apigenin was collected using SciFinder, PubMed, Google Scholar, Web of Science, JSTOR, EBSCO, Scopus and other related web sources. RESULTS Literature review indicated that the drug discovery against AD is insufficient and only few drugs are clinically approved which have limited efficacy. Among the therapeutic options, natural products have got tremendous attraction owing to their molecular diversity, their safety and efficacy. Research suggest that natural products can delay the disease onset, reduce its progression and regenerate the damage via their anti-amyloid, anti-inflammatory and antioxidant potentials. These agents regulate the pathways involved in the release of neurotrophins which are implicated in neuronal survival and function. Highly potential lead phytochemicals including curcumin, catechins, quercetin, resveratrol, genistein and apigenin regulate neuroprotective signaling pathways implicated in neurotrophins-mediated activation of tropomyosin receptor kinase (Trk) and p75 neurotrophins receptor (p75NTR) family receptors. CONCLUSIONS Phytochemicals especially phenolic compounds were identified as highly potential molecules which ameliorate oxidative stress induced neurodegeneration, reduce Aβ load and inhibit vital enzymes. Yet their clinical efficacy and bioavailability are the major challenges which need further interventions for more effective therapeutic outcomes.
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Affiliation(s)
- Muhammad Ayaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000 Dir (L), KP, Pakistan.
| | - Osama F Mosa
- Public health Department, Health Sciences College at Lieth, Umm Al Qura University, Makkah, KSA
| | - Asif Nawaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000 Dir (L), KP, Pakistan
| | - Alashary Adam Eisa Hamdoon
- Public health Department, Health Sciences College at Lieth, Umm Al Qura University, Makkah, KSA; University of Khartoum, Faculty of Public and Environmental Health, Sudan
| | - Modawy Elnour Modawy Elkhalifa
- Public health Department, Health Sciences College at Lieth, Umm Al Qura University, Makkah, KSA; University of Khartoum, Faculty of Public and Environmental Health, Sudan
| | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000 Dir (L), KP, Pakistan
| | - Farhat Ullah
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000 Dir (L), KP, Pakistan
| | - Alshebli Ahmed
- Public health Department, Health Sciences College at Lieth, Umm Al Qura University, Makkah, KSA; University of Khartoum, Faculty of Public and Environmental Health, Sudan
| | - Atul Kabra
- University Institute of Pharma Sciences, Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Pakistan
| | - H C Ananda Murthy
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, P O Box 1888, Adama, Ethiopia; Department of Prosthodontics, Saveetha Dental College & Hospital, Saveetha Institute of Medical and technical science (SIMATS), Saveetha University, Chennai-600077, Tamil Nadu, India
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26
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Tiberi A, Borgonovo G, Testa G, Pacifico P, Jacob A, Di Caprio M, Totaro V, Calvello M, Cattaneo A, Capsoni S. Reversal of neurological deficits by painless nerve growth factor in a mouse model of Rett syndrome. Brain 2024; 147:122-134. [PMID: 37633263 PMCID: PMC10766238 DOI: 10.1093/brain/awad282] [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: 01/23/2023] [Revised: 07/12/2023] [Accepted: 07/31/2023] [Indexed: 08/28/2023] Open
Abstract
Rett syndrome is a rare genetic neurodevelopmental disease, affecting 1 in over 10 000 females born worldwide, caused by de novo mutations in the X-chromosome-located methyl-CpG-binding protein 2 (MeCP2) gene. Despite the great effort put forth by the scientific community, a therapy for this devastating disease is still needed. Here, we tested the therapeutic effects of a painless mutein of the nerve growth factor (NGF), called human NGF painless (hNGFp), via a non-invasive intranasal delivery in female MeCP2+/- mice. Of note, previous work had demonstrated a broad biodistribution of hNGFp in the mouse brain by the nasal delivery route. We report that (i) the long-term lifelong treatment of MeCP2+/- mice with hNGFp, starting at 2 months of age, increased the chance of survival while also greatly improving behavioural parameters. Furthermore, when we assessed the phenotypic changes brought forth by (ii) a short-term 1-month-long hNGFp-treatment, starting at 3 months of age (right after the initial presentation of symptoms), we observed the rescue of a well known neuronal target population of NGF, cholinergic neurons in the medial septum. Moreover, we reveal a deficit in microglial morphology in MeCP2+/- mice, completely reversed in treated animals. This effect on microglia is in line with reports showing microglia to be a TrkA-dependent non-neuronal target cell population of NGF in the brain. To understand the immunomodulatory activity of hNGFp, we analysed the cytokine profile after hNGFp treatment in MeCP2+/- mice, to discover that the treatment recovered the altered expression of key neuroimmune-communication molecules, such as fractalkine. The overall conclusion is that hNGFp delivered intranasally can ameliorate symptoms in the MeCP2+/- model of Rett syndrome, by exerting strong neuroprotection with a dual mechanism of action: directly on target neurons and indirectly via microglia.
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Affiliation(s)
- Alexia Tiberi
- Institute of Neuroscience, CNR, 56124 Pisa, Italy
- Bio@SNS Laboratory of Biology, Scuola Normale Superiore, 56126 Pisa, Italy
| | - Giulia Borgonovo
- Bio@SNS Laboratory of Biology, Scuola Normale Superiore, 56126 Pisa, Italy
| | - Giovanna Testa
- Bio@SNS Laboratory of Biology, Scuola Normale Superiore, 56126 Pisa, Italy
| | - Paola Pacifico
- Bio@SNS Laboratory of Biology, Scuola Normale Superiore, 56126 Pisa, Italy
| | - Ajesh Jacob
- Bio@SNS Laboratory of Biology, Scuola Normale Superiore, 56126 Pisa, Italy
| | | | - Valentino Totaro
- Bio@SNS Laboratory of Biology, Scuola Normale Superiore, 56126 Pisa, Italy
| | | | - Antonino Cattaneo
- Bio@SNS Laboratory of Biology, Scuola Normale Superiore, 56126 Pisa, Italy
- Rita Levi-Montalcini European Brain Research Institute (EBRI), 00161 Roma, Italy
| | - Simona Capsoni
- Bio@SNS Laboratory of Biology, Scuola Normale Superiore, 56126 Pisa, Italy
- Section of Human Physiology, Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy
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Wang Y, Liang J, Xu B, Yang J, Wu Z, Cheng L. TrkB/BDNF signaling pathway and its small molecular agonists in CNS injury. Life Sci 2024; 336:122282. [PMID: 38008209 DOI: 10.1016/j.lfs.2023.122282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 10/19/2023] [Accepted: 11/18/2023] [Indexed: 11/28/2023]
Abstract
As one of the most prevalent neurotrophic factors in the central nervous system (CNS), brain-derived neurotrophic factor (BDNF) plays a significant role in CNS injury by binding to its specific receptor Tropomyosin-related kinase receptor B (TrkB). The BDNF/TrkB signaling pathway is crucial for neuronal survival, structural changes, and plasticity. BDNF acts as an axonal growth and extension factor, a pro-survival factor, and a synaptic modulator in the CNS. BDNF also plays an important role in the maintenance and plasticity of neuronal circuits. Several studies have demonstrated the importance of BDNF in the treatment and recovery of neurodegenerative and neurotraumatic disorders. By undertaking in-depth study on the mechanism of BDNF/TrkB function, important novel therapeutic strategies for treating neuropsychiatric disorders have been discovered. In this review, we discuss the expression patterns and mechanisms of the TrkB/BDNF signaling pathway in CNS damage and introduce several intriguing small molecule TrkB receptor agonists produced over the previous several decades.
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Affiliation(s)
- Yujin Wang
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Medical School, Tongji University, Shanghai 200433, China
| | - Jing Liang
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; School of Stomatology, Tongji University, Shanghai 200072, China
| | - Boyu Xu
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Medical School, Tongji University, Shanghai 200433, China
| | - Jin Yang
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China; Medical School, Tongji University, Shanghai 200433, China
| | - Zhourui Wu
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China.
| | - Liming Cheng
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Key Laboratory of Spine and Spinal cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai 200072, China.
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28
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Xie W, Gao Q, Artigas Ramirez MD, Zhang H, Liu Y, Weng Q. Seasonal expressions of nerve growth factor (NGF), and its receptor TrkA and p75 in the scent glands of muskrats (Ondatra zibethicus). Comp Biochem Physiol B Biochem Mol Biol 2024; 269:110905. [PMID: 37769961 DOI: 10.1016/j.cbpb.2023.110905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/25/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
NGF, also known as nerve growth factor, is crucial for the survival and differentiation of the nervous system, in addition to being involved in a number of non-neuronal systems. The aim of this work was to investigate the immunolocalization and expression patterns of NGF, its receptor, tyrosine kinase receptor A (TrkA), and p75 in the scent glands of muskrats (Ondatra zibethicus) throughout the breeding and non-breeding seasons. The scent gland mass showed considerable seasonal variations, with higher values during the breeding season and comparatively lower levels during the non-breeding season. While no immunostaining was observed in the interstitial cells, NGF, TrkA, and p75 were immunolocalized in the scent glandular cells and epithelial cells during both breeding and non-breeding seasons. NGF, TrkA, and p75 protein and mRNA expression levels were higher in the scent glands during breeding season compared to the non-breeding season. Circulating levels of follicle-stimulating hormone (FSH), luteinizing hormone (LH), testosterone (T), and T in the scent gland were all significantly higher throughout the breeding season. The relative levels of the hormones in the plasma and the scent glands as well as NGF, TrkA, and p75 were positively associated with each other. Additionally, transcriptome analysis of the scent glands revealed that differentially expressed genes may be linked to steroid biosynthesis, the estrogen signaling pathway, and neurotransmitter transmembrane transporter function. These results suggest a potential role for NGF, TrkA, and p75 in controlling seasonal variations in the muskrats' scent gland functioning.
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Affiliation(s)
- Wenqian Xie
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Qingjing Gao
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Maria Daniela Artigas Ramirez
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Haolin Zhang
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Yuning Liu
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
| | - Qiang Weng
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
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Fanfarillo F, Ferraguti G, Lucarelli M, Francati S, Barbato C, Minni A, Ceccanti M, Tarani L, Petrella C, Fiore M. The Impact of ROS and NGF in the Gliomagenesis and their Emerging Implications in the Glioma Treatment. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:449-462. [PMID: 37016521 DOI: 10.2174/1871527322666230403105438] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 12/19/2022] [Accepted: 02/01/2023] [Indexed: 04/06/2023]
Abstract
Reactive oxygen species (ROS) are highly reactive molecules derived from molecular oxygen (O2). ROS sources can be endogenous, such as cellular organelles and inflammatory cells, or exogenous, such as ionizing radiation, alcohol, food, tobacco, chemotherapeutical agents and infectious agents. Oxidative stress results in damage of several cellular structures (lipids, proteins, lipoproteins, and DNA) and is implicated in various disease states such as atherosclerosis, diabetes, cancer, neurodegeneration, and aging. A large body of studies showed that ROS plays an important role in carcinogenesis. Indeed, increased production of ROS causes accumulation in DNA damage leading to tumorigenesis. Various investigations demonstrated the involvement of ROS in gliomagenesis. The most common type of primary intracranial tumor in adults is represented by glioma. Furthermore, there is growing attention on the role of the Nerve Growth Factor (NGF) in brain tumor pathogenesis. NGF is a growth factor belonging to the family of neurotrophins. It is involved in neuronal differentiation, proliferation and survival. Studies were conducted to investigate NGF pathogenesis's role as a pro- or anti-tumoral factor in brain tumors. It has been observed that NGF can induce both differentiation and proliferation in cells. The involvement of NGF in the pathogenesis of brain tumors leads to the hypothesis of a possible implication of NGF in new therapeutic strategies. Recent studies have focused on the role of neurotrophin receptors as potential targets in glioma therapy. This review provides an updated overview of the role of ROS and NGF in gliomagenesis and their emerging role in glioma treatment.
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Affiliation(s)
| | - Giampiero Ferraguti
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Marco Lucarelli
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Silvia Francati
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Antonio Minni
- Department of Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Mauro Ceccanti
- SITAC, Società Italiana per il Trattamento dell'Alcolismo e le sue Complicanze, Rome, Italy
| | - Luigi Tarani
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Carla Petrella
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy
| | - Marco Fiore
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy
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Stabile AM, Pistilli A, Moretti E, Bartolini D, Ruggirello M, Rende M, Castellini C, Mattioli S, Ponchia R, Tripodi SA, Collodel G. A Possible Role for Nerve Growth Factor and Its Receptors in Human Sperm Pathology. Biomedicines 2023; 11:3345. [PMID: 38137566 PMCID: PMC10742157 DOI: 10.3390/biomedicines11123345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/09/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
Nerve growth factor (NGF) signalling affects spermatogenesis and mature sperm traits. In this paper, we aimed to evaluate the distribution and the role of NGF and its receptors (p75NTR and TrKA) on the reproductive apparatus (testis and epididymis) and sperm of fertile men (F) and men with different pathologies, namely varicocele (V) and urogenital infections (UGIs). We collected semen samples from 21 individuals (31-40 years old) subdivided as follows: V (n = 7), UGIs (n = 7), and F (n = 7). We submitted the semen samples to bacteriological analysis, leucocyte identification, and analysis of sperm parameters (concentration, motility, morphology, and viability). We determined the seminal plasma levels of NGF, interleukin 1β (IL-1β), and F2-isoprostanes (F2-IsoPs), and the gene and protein expression of NGF receptors on sperm. We also used immunofluorescence to examine NGF receptors on ejaculated sperm, testis, and epididymis. As expected, fertile men showed better sperm parameters as well as lower levels of NGF, F2-IsoPs, and IL-1β compared with men with infertility. Notably, in normal sperm, p75NTR and TrKA were localised throughout the entire tail. TrKA was also found in the post-acrosomal sheath. This localisation appeared different in patients with infertility: in particular, there was a strong p75NTR signal in the midpiece and the cytoplasmic residue or coiled tails of altered ejaculated sperm. In line with these findings, NGF receptors were intensely expressed in the epididymis and interstitial tissue of the testis. These data suggest the distinctive involvement of NGF and its receptors in the physiology of sperm from fertile men and men with infertility, indicating a possible role for new targeted treatment strategies.
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Affiliation(s)
- Anna Maria Stabile
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy; (A.M.S.); (A.P.); (M.R.); (M.R.)
| | - Alessandra Pistilli
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy; (A.M.S.); (A.P.); (M.R.); (M.R.)
| | - Elena Moretti
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy;
| | - Desirée Bartolini
- Department of Pharmaceutical Sciences, Section of Biochemistry, University of Perugia, 06132 Perugia, Italy;
| | - Mariangela Ruggirello
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy; (A.M.S.); (A.P.); (M.R.); (M.R.)
| | - Mario Rende
- Department of Medicine and Surgery, Section of Human, Clinical and Forensic Anatomy, University of Perugia, 06132 Perugia, Italy; (A.M.S.); (A.P.); (M.R.); (M.R.)
| | - Cesare Castellini
- Department of Agricultural, Environmental and Food Science, University of Perugia, 06100 Perugia, Italy; (C.C.); (S.M.)
| | - Simona Mattioli
- Department of Agricultural, Environmental and Food Science, University of Perugia, 06100 Perugia, Italy; (C.C.); (S.M.)
| | - Rosetta Ponchia
- Unit of Medically Assisted Reproduction, Siena University Hospital, 53100 Siena, Italy;
| | - Sergio Antonio Tripodi
- Department of Pathology Unit, Azienda Ospedaliera Universitaria Senese, 53100 Siena, Italy;
| | - Giulia Collodel
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy;
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Luo Y, Qiu Y, Zhou R, Zhang Y, Ji X, Liu Z, Li R, Zhang Y, Yang F, Hou J, Zhang S, Wang T, Song H, Tao X. Shaoyao Gancao decoction alleviates the central hyperalgesia of recurrent NTG-induced migraine in rats by regulating the NGF/TRPV1/COX-2 signal pathway. JOURNAL OF ETHNOPHARMACOLOGY 2023; 317:116781. [PMID: 37315643 DOI: 10.1016/j.jep.2023.116781] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/06/2023] [Accepted: 06/11/2023] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Shaoyao Gancao Decoction (SGD) is well known as an effective prescription for analgesia composed of two herbs, and is noted as traditional Chinese medicine morphine. It is widely used in various conditions causing pain, including migraine. However, there is currently no research exploring the mechanism of action in the treatment of migraines. AIM OF THE STUDY The current research was devised to determine the underlying regulatory mechanism of SGD, by verifying its role in the NGF/TRPV1/COX-2 signal pathway. MATERIALS AND METHODS The active components in SGD were identified by UHPLC-MS. A migraine model was prepared by subcutaneous (s.c.) injection of nitroglycerin (NTG) into the neck to detect migraine-like behavior, orbital hyperalgesia threshold changes, and the therapeutic effect of SGD. The mechanism of SGD in remedying migraine was studied through transcriptome sequencing (RNA-seq), which was further validated utilizing Elisa, Reverse transcription quantitative polymerase chain reaction (RT-qPCR) and Western blotting (WB) experiments. RESULTS In the SGD chemical composition analysis, 45 components were identified including gallic acid, paeoniflorin and albiforin. In the behavioral experiments, SGD treatment significantly decreased the score of migraine-like head scratching in the NTG-induced migraine model (Mod) rats, while the hyperalgesia threshold increased outstandingly on days 10, 12, and 14 (P < 0.01, P < 0.001 or P < 0.0001). In migraine biomarkers experiment, compared with the Mod group, the 5-hydroxytryptamine (5-HT) contents were outstandingly enhanced by SGD treatment, while nitric oxide (NO) contents were markedly declined (P < 0.01). In the RNA-seq test, the down-regulated genes of SGD inhibiting hyperalgesia migraine included the neurotrophic factor (NGF) and transient receptor potential vanillic acid subfamily protein 1 receptor (TRPV1). The down-regulation pathway is the inflammatory mediator regulation of TRP channels. In gene set enrichment analysis (GSEA), SGD decreased the over-expression of protooncogene tyrosine-protein kinase Src (SRC) and TRPV1 in this pathway, and the two genes clustered at its lower end, with similar functions. PPI network results show that NGF interacts with TRPV1. Further verification shows that when compared with Mod group, the plasma cyclooxygenase-2 (COX-2), prostaglandin E2 (PGE2) protein expression levels and the dura mater calcitonin gene-related peptide (CGRP), extracellular signal-regulated kinase (ERK), p-ERK, SRC and NGF protein expression levels in the SGD group were remarkably decreased (P < 0.01, P < 0.001 or P < 0.0001), and the expression level of TRPV1 protein showed a downward trend (P = 0.06). The expression levels of COX-2, NO, CGRP, TRPV1, SRC and NGF mRNA in the dura mater was overtly down-regulated (P < 0.05, P < 0.01 or P < 0.001). CONCLUSIONS SGD has a significant inhibitory effect on the NGF/TRPV1/COX-2 signaling pathway that mediates central hyperalgesia migraine, thus suggesting the molecular mechanism of SGD in improving the symptoms of migraine may be related to the central hyperalgesia neurotransmitter that regulates the pathogenesis of migraine.
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Affiliation(s)
- Yamin Luo
- Bejing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Yuehua Qiu
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Ranran Zhou
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Yao Zhang
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Xuenian Ji
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Zijian Liu
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Ran Li
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Yi Zhang
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Feng Yang
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Jianchen Hou
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Shujing Zhang
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Tieshan Wang
- Bejing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China.
| | - Haochong Song
- College of Special Education, Beijing Union University, 100029, Beijing, China.
| | - Xiaohua Tao
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, Beijing, China; Research Institute of Chinese Medicine Literature, Beijing University of Chinese Medicine, 100029, Beijing, China.
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Şen E, Özkan N, Önger ME, Kaplan S. Effects of NGF and Photobiomodulation Therapy on Crush Nerve Injury and Fracture Healing: A Stereological and Histopathological Study in an Animal Model. Craniomaxillofac Trauma Reconstr 2023; 16:281-291. [PMID: 38047151 PMCID: PMC10693267 DOI: 10.1177/19433875221138175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023] Open
Abstract
Study Design A stereological and histopathological study in an animal model. Objective This study explores the effects of the nerve growth factor and photobiomodulation therapy on the damaged nerve tissue and fracture healing. Methods A total of 24 rabbits were divided into 4 groups: control group (n = 5), nerve growth factor (NGF) group (n = 7), photobiomodulation (PBMT) group (n = 6), and nerve growth factor and photobiomodulation therapy (NGF+PBMT) group (n = 6). The vertical fracture was performed between the mental foramen and the first premolar, and the mental nerve was crushed for 30 seconds with a standard serrated clamp with a force of approximately 50 N in all groups. The control group received an isotonic solution (.02 mL, .09% NaCl) to the operation site locally. The NGF group received 1 μg human NGF-β/.9% .2 mL NaCl solution for 7 days locally. The PBMT group received PBMT treatment (GaAlAs laser, 810 nm, .3 W, 18 J/cm2) every 48 hours for 14 sessions following the surgery. The NGF+PBMT group received both NGF and PBMT treatment as described above. After 28 days, the bone tissues and mental nerves from all groups were harvested and histologically and stereologically analyzed. Results According to the stereological results, the volume of the new vessel and the volume of the new bone were significantly higher in the PBMT group than in other groups (P < .001). According to the histopathological examinations, higher myelinated axons were observed in experimental groups than in the control group. Conclusions As a result, PBMT has beneficial effects on bone regeneration. Based on the light microscopic evaluation, more regenerated axon populations were observed in the NGF group than in the PBMT and PBMT + NGF groups in terms of myelinated axon content.
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Affiliation(s)
- Esengül Şen
- Assistant Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Ondokuz Mayıs University, Turkey
| | - Nilüfer Özkan
- Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Ondokuz Mayıs University, Turkey
| | - Mehmet Emin Önger
- Associate Professor, Department of Histology and Embryology, Faculty of Medicine, Ondokuz Mayis University, Turkey
| | - Süleyman Kaplan
- Professor, Department of Histology and Embryology, Faculty of Medicine, Ondokuz Mayis University, Turkey
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Castoldi V, Zerbini G, Maestroni S, Viganò I, Rama P, Leocani L. Topical Nerve Growth Factor (NGF) restores electrophysiological alterations in the Ins2 Akita mouse model of diabetic retinopathy. Exp Eye Res 2023; 237:109693. [PMID: 37890756 DOI: 10.1016/j.exer.2023.109693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/02/2023] [Accepted: 10/24/2023] [Indexed: 10/29/2023]
Abstract
People suffering from diabetes mellitus commonly have to face diabetic retinopathy (DR), an eye disease characterized by early retinal neurodegeneration and microvascular damage, progressively leading to sight loss. The Ins2Akita (Akita) diabetic mouse presents the characteristics of DR and experimental drugs can be tested on this model to check their efficacy before going to the clinic. Topical administration of Nerve Growth Factor (NGF) has been recently demonstrated to prevent DR in the Akita mouse, reverting the thinning of retinal layers and protecting the retinal ganglion cells (RGCs) from death. In this study, we characterize the effects of topical NGF on neuroretina function, quantified with the electroretinogram (ERG). In particular, we show that NGF can ameliorate RGC conduction in the retina of Akita mice, which correlates with a recovery of retinal nerve fiber plus ganglion cell layer (RNFL-GCL) structure. Overall, our preclinical results highlight that topical administration of NGF could be a promising therapeutic approach for DR, being capable of exerting a beneficial impact on retinal functionality.
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Affiliation(s)
- Valerio Castoldi
- Experimental Neurophysiology Unit, Institute of Experimental Neurology-INSPE, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Gianpaolo Zerbini
- Complications of Diabetes Unit, Diabetes Research Institute-DRI, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Silvia Maestroni
- Complications of Diabetes Unit, Diabetes Research Institute-DRI, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Ilaria Viganò
- Complications of Diabetes Unit, Diabetes Research Institute-DRI, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Paolo Rama
- Cornea and Ocular Surface Unit, IRCCS Ospedale San Raffaele, Milan, Italy; Vita-Salute San Raffaele University, Milan, Italy
| | - Letizia Leocani
- Experimental Neurophysiology Unit, Institute of Experimental Neurology-INSPE, IRCCS San Raffaele Scientific Institute, Milan, Italy; Vita-Salute San Raffaele University, Milan, Italy.
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Tringali G, Pizzoferrato M, Lisi L, Marinelli S, Buccarello L, Falsini B, Cattaneo A, Navarra P. A Vicious NGF-p75 NTR Positive Feedback Loop Exacerbates the Toxic Effects of Oxidative Damage in the Human Retinal Epithelial Cell Line ARPE-19. Int J Mol Sci 2023; 24:16237. [PMID: 38003427 PMCID: PMC10671591 DOI: 10.3390/ijms242216237] [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: 09/26/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
In spite of its variety of biological activities, the clinical exploitation of human NGF (hNGF) is currently limited to ocular pathologies. It is therefore interesting to test the effects of hNGF in preclinical models that may predict their efficacy and safety in the clinical setting of ocular disorders and compare the effects of hNGF with those of its analogs. We used a human retinal pigment cell line, ARPE-19 cells, to investigate the effects of hNGF and its analogs, mouse NGF (mNGF) and painless NGF (pNGF), on cell viability under basal conditions and after exposure to oxidative stimuli, i.e., hydrogen peroxide (H2O2) and ultraviolet (UV)-A rays. The effects of hNGF and pNGF were also tested on the gene expression and protein synthesis of the two NGF receptor subtypes, p75 neurotrophic receptors (p75NTR) and tyrosine kinase A (TrkA) receptors. We drew the following conclusions: (i) the exposure of ARPE-19 cells to H2O2 or UV-A causes a dose-dependent decrease in the number of viable cells; (ii) under baseline conditions, hNGF, but not pNGF, causes a concentration-dependent decrease in cell viability in the range of doses 1-100 ng/mL; (iii) hNGF, but not pNGF, significantly potentiates the toxic effects of H2O2 or of UV-A on ARPE-19 cells in the range of doses 1-100 ng/mL, while mNGF at the same doses presents an intermediate behavior; (iv) 100 ng/mL of hNGF triggers an increase in p75NTR expression in H2O2-treated ARPE-19 cells, while pNGF at the same dose does not; (v) pNGF, but not hNGF (both given at 100 ng/mL), increases the total cell fluorescence intensity for TrkA receptors in H2O2-treated ARPE-19 cells. The present findings suggest a vicious positive feedback loop through which NGF-mediated upregulation of p75NTR contributes to worsening the toxic effects of oxidative damage in the human retinal epithelial cell line ARPE-19. Looking at the possible clinical relevance of these findings, one can postulate that pNGF might show a better benefit/risk ratio than hNGF in the treatment of ocular disorders.
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Affiliation(s)
- Giuseppe Tringali
- Section of Pharmacology, Department of Healthcare Surveillance and Bioethics, Catholic University Medical School, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy (M.P.)
| | - Michela Pizzoferrato
- Section of Pharmacology, Department of Healthcare Surveillance and Bioethics, Catholic University Medical School, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy (M.P.)
| | - Lucia Lisi
- Section of Pharmacology, Department of Healthcare Surveillance and Bioethics, Catholic University Medical School, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy (M.P.)
| | - Silvia Marinelli
- European Brain Research Institute-Fondazione Rita Levi Montalcini, 00161 Rome, Italy (L.B.)
| | - Lucia Buccarello
- European Brain Research Institute-Fondazione Rita Levi Montalcini, 00161 Rome, Italy (L.B.)
| | - Benedetto Falsini
- UOC Ophtalmology, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy;
- Department of Ophthalmology, Bambino Gesù IRCCS Children’s Hospital, 00133 Rome, Italy
| | - Antonino Cattaneo
- European Brain Research Institute-Fondazione Rita Levi Montalcini, 00161 Rome, Italy (L.B.)
- Bio@SNS Laboratory, Scuola Normale Superiore, 56124 Pisa, Italy
| | - Pierluigi Navarra
- Section of Pharmacology, Department of Healthcare Surveillance and Bioethics, Catholic University Medical School, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy (M.P.)
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Terracina S, Ferraguti G, Tarani L, Fanfarillo F, Tirassa P, Ralli M, Iannella G, Polimeni A, Lucarelli M, Greco A, Fiore M. Nerve Growth Factor and Autoimmune Diseases. Curr Issues Mol Biol 2023; 45:8950-8973. [PMID: 37998739 PMCID: PMC10670231 DOI: 10.3390/cimb45110562] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023] Open
Abstract
NGF plays a crucial immunomodulatory role and increased levels are found in numerous tissues during autoimmune states. NGF directly modulates innate and adaptive immune responses of B and T cells and causes the release of neuropeptides and neurotransmitters controlling the immune system activation in inflamed tissues. Evidence suggests that NGF is involved in the pathogenesis of numerous immune diseases including autoimmune thyroiditis, chronic arthritis, multiple sclerosis, systemic lupus erythematosus, mastocytosis, and chronic granulomatous disease. Furthermore, as NGF levels have been linked to disease severity, it could be considered an optimal early biomarker to identify therapeutic approach efficacy. In conclusion, by gaining insights into how these molecules function and which cells they interact with, future studies can devise targeted therapies to address various neurological, immunological, and other disorders more effectively. This knowledge may pave the way for innovative treatments based on NGF manipulation aimed at improving the quality of life for individuals affected by diseases involving neurotrophins.
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Affiliation(s)
- Sergio Terracina
- Department of Experimental Medicine, Sapienza University of Rome, 00185 Rome, Italy
| | - Giampiero Ferraguti
- Department of Experimental Medicine, Sapienza University of Rome, 00185 Rome, Italy
| | - Luigi Tarani
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy
| | - Francesca Fanfarillo
- Department of Experimental Medicine, Sapienza University of Rome, 00185 Rome, Italy
| | - Paola Tirassa
- Institute of Biochemistry and Cell Biology (IBBC-CNR), Department of Sensory Organs, Sapienza University of Rome, 00185 Rome, Italy
| | - Massimo Ralli
- Department of Sensory Organs, Sapienza University of Rome, 00185 Roma, Italy
| | - Giannicola Iannella
- Department of Sensory Organs, Sapienza University of Rome, 00185 Roma, Italy
| | - Antonella Polimeni
- Department of Odontostomatological and Maxillofacial Sciences, Sapienza University of Rome, 00185 Rome, Italy
| | - Marco Lucarelli
- Department of Experimental Medicine, Sapienza University of Rome, 00185 Rome, Italy
- Pasteur Institute, Cenci Bolognetti Foundation, Sapienza University of Rome, 00185 Rome, Italy
| | - Antonio Greco
- Department of Sensory Organs, Sapienza University of Rome, 00185 Roma, Italy
| | - Marco Fiore
- Institute of Biochemistry and Cell Biology (IBBC-CNR), Department of Sensory Organs, Sapienza University of Rome, 00185 Rome, Italy
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Lorsignol A, Rabiller L, Labit E, Casteilla L, Pénicaud L. The nervous system and adipose tissues: a tale of dialogues. Am J Physiol Endocrinol Metab 2023; 325:E480-E490. [PMID: 37729026 DOI: 10.1152/ajpendo.00115.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 08/16/2023] [Accepted: 09/18/2023] [Indexed: 09/22/2023]
Abstract
White, beige, and brown adipose tissues play a crucial role in maintaining energy homeostasis. Due to the heterogeneous and diffuse nature of fat pads, this balance requires a fine and coordinated control of many actors and therefore permanent dialogues between these tissues and the central nervous system. For about two decades, many studies have been devoted to describe the neuro-anatomical and functional complexity involved to ensure this dialogue. Thus, if it is now clearly demonstrated that there is an efferent sympathetic innervation of different fat depots controlling plasticity as well as metabolic functions of the fat pad, the crucial role of sensory innervation capable of detecting local signals informing the central nervous system of the metabolic state of the relevant pads is much more recent. The purpose of this review is to provide the current state of knowledge on this subject.
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Affiliation(s)
- Anne Lorsignol
- RESTORE, CNRS, Inserm, Université de Toulouse, Toulouse, France
| | - Lise Rabiller
- RESTORE, CNRS, Inserm, Université de Toulouse, Toulouse, France
| | - Elodie Labit
- RESTORE, CNRS, Inserm, Université de Toulouse, Toulouse, France
| | - Louis Casteilla
- RESTORE, CNRS, Inserm, Université de Toulouse, Toulouse, France
| | - Luc Pénicaud
- RESTORE, CNRS, Inserm, Université de Toulouse, Toulouse, France
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Deppmann CD, Zunder ER. The good, the bald, and the hairy: A mechanosensor meets its fate at the target. Dev Cell 2023; 58:2013-2014. [PMID: 37875070 DOI: 10.1016/j.devcel.2023.08.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 10/26/2023]
Abstract
In this issue of Developmental Cell, Koutsioumpa et al. (2023) investigate the maturation of low-threshold mechanoreceptor nerve endings in both hairy and glabrous skin types and discover a critical role for target-derived BMP in the development of Meissner corpuscles in glabrous (i.e., hairless) skin.
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Affiliation(s)
- Christopher D Deppmann
- Department of Biology, College of Arts and Sciences, Charlottesville, VA 22902, USA; Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA 229022, USA; Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA 22902, USA; Department of Neuroscience, School of Medicine, University of Virginia, Charlottesville, VA 229022, USA; Department of Cell Biology, School of Medicine, University of Virginia, Charlottesville, VA 229022, USA; Program in Fundamental Neuroscience, College of Arts and Sciences, Charlottesville, VA 22902, USA.
| | - Eli R Zunder
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA 229022, USA; Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA 22902, USA.
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Gatto A, Capossela L, Conti G, Eftimiadi G, Ferretti S, Manni L, Curatola A, Graglia B, Di Sarno L, Calcagni ML, Di Giuda D, Cecere S, Romeo DM, Soligo M, Picconi E, Piastra M, Della Marca G, Staccioli S, Ruggiero A, Cocciolillo F, Pulitanò S, Chiaretti A. Intranasal human-recombinant NGF administration improves outcome in children with post-traumatic unresponsive wakefulness syndrome. Biol Direct 2023; 18:61. [PMID: 37789391 PMCID: PMC10546699 DOI: 10.1186/s13062-023-00418-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 09/26/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND Severe traumatic brain injury (TBI) is one of the most dramatic events in pediatric age and, despite advanced neuro-intensive care, the survival rate of these patients remains low. Children suffering from severe TBI show long-term sequelae, more pronounced in behavioral, neurological and neuropsychological functions leading to, in the most severe cases, an unresponsive wakefulness syndrome (UWS). Currently, no effective treatments can restore neuronal loss or produce significant improvement in these patients. In experimental animal models, human- recombinant Nerve Growth Factor (hr-NGF) promotes neural recovery supporting neuronal growth, differentiation and survival of brain cells and up-regulating the neurogenesis-associated processes. Only a few studies reported the efficacy of intranasal hr-NGF administration in children with post- traumatic UWS. METHODS Children with the diagnosis of post-traumatic UWS were enrolled. These patients underwent a treatment with intranasal hr-NGF administration, at a total dose of 50 gamma/kg, three times a day for 7 consecutive days. The treatment schedule was performed for 4 cycles, at one month distance each. Neuroradiogical evaluation by Positron Emission Tomography scan (PET), Single Photon Emission Computed Tomography (SPECT), Electroencephalography (EEG), and Power Spectral Density (PSD) was determined before the treatment and one month after the end. Neurological assessment was also deepened by using modified Ashworth Scale, Gross Motor Function Measure, and Disability Rating Scale. RESULTS Three children with post-traumatic UWS were treated. hr-NGF administration improved functional (PET and SPECT) and electrophysiological (EEG and PSD) assessment. Also clinical conditions improved, mainly for the reduction of spasticity and with the acquisition of voluntary movements, facial mimicry, attention and verbal comprehension, ability to cry, cough reflex, oral motility, and feeding capacity, with a significant improvement of their neurological scores. No side effects were reported. CONCLUSION These promising results and the ease of administration of this treatment make it worthwhile to be investigated further, mainly in the early stages from severe TBI and in patients with better baseline neurological conditions, to explore more thoroughly the benefits of this new approach on neuronal function recovery after traumatic brain damage.
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Affiliation(s)
- Antonio Gatto
- Dipartimento di Pediatria, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Lavinia Capossela
- Dipartimento di Pediatria, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giorgio Conti
- Terapia Intensiva Pediatrica, Dipartimento di Scienze dell'Emergenza, Anestesiologiche e Rianimazione, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Gemma Eftimiadi
- Dipartimento di Pediatria, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Serena Ferretti
- Dipartimento di Pediatria, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Luigi Manni
- Istituto di Farmacologia Traslazionale, Consiglio Nazionale delle Ricerche (CNR), Rome, Italy
| | - Antonietta Curatola
- Dipartimento di Pediatria, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Benedetta Graglia
- Dipartimento di Pediatria, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Lorenzo Di Sarno
- Dipartimento di Pediatria, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Maria Lucia Calcagni
- UOC di Medicina Nucleare, Fondazione Policlinico Universitario "A. Gemelli" IRCCS - Università Cattolica del Sacro Cuore, Rome, Italy
| | - Daniela Di Giuda
- UOC di Medicina Nucleare, Fondazione Policlinico Universitario "A. Gemelli" IRCCS - Università Cattolica del Sacro Cuore, Rome, Italy
| | - Stefano Cecere
- Dipartimento di Pediatria, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Domenico Marco Romeo
- Unità di Neurologia Pediatrica, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Marzia Soligo
- Istituto di Farmacologia Traslazionale, Consiglio Nazionale delle Ricerche (CNR), Rome, Italy
| | - Enzo Picconi
- Terapia Intensiva Pediatrica, Dipartimento di Scienze dell'Emergenza, Anestesiologiche e Rianimazione, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Marco Piastra
- Terapia Intensiva Pediatrica, Dipartimento di Scienze dell'Emergenza, Anestesiologiche e Rianimazione, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Giacomo Della Marca
- Dipartimento di Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario Agostino Gemelli, IRCCS, Rome, Italy
| | - Susanna Staccioli
- Dipartimento di Neuroriabilitazione Intensiva, Ospedale Pediatrico "Bambino Gesù", Rome, Italy
| | - Antonio Ruggiero
- Oncologia Pediatrica, Fondazione Policlinico Universitario A.Gemelli IRCCS - Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Fabrizio Cocciolillo
- UOC di Medicina Nucleare, Fondazione Policlinico Universitario "A. Gemelli" IRCCS - Università Cattolica del Sacro Cuore, Rome, Italy
| | - Silvia Pulitanò
- Terapia Intensiva Pediatrica, Dipartimento di Scienze dell'Emergenza, Anestesiologiche e Rianimazione, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Antonio Chiaretti
- Dipartimento di Pediatria, Università Cattolica del Sacro Cuore, Rome, Italy.
- Department of Women's Health Sciences, Fondazione Policlinico Universitario A. Gemelli - IRCCS, Largo Agostino Gemelli 8, 00168, Rome, Italy.
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Wu Y, Lan Y, Mao J, Shen J, Kang T, Xie Z. The interaction between the nervous system and the stomatognathic system: from development to diseases. Int J Oral Sci 2023; 15:34. [PMID: 37580325 PMCID: PMC10425412 DOI: 10.1038/s41368-023-00241-4] [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: 03/29/2023] [Revised: 07/30/2023] [Accepted: 07/31/2023] [Indexed: 08/16/2023] Open
Abstract
The crosstalk between the nerve and stomatognathic systems plays a more important role in organismal health than previously appreciated with the presence of emerging concept of the "brain-oral axis". A deeper understanding of the intricate interaction between the nervous system and the stomatognathic system is warranted, considering their significant developmental homology and anatomical proximity, and the more complex innervation of the jawbone compared to other skeletons. In this review, we provide an in-depth look at studies concerning neurodevelopment, craniofacial development, and congenital anomalies that occur when the two systems develop abnormally. It summarizes the cross-regulation between nerves and jawbones and the effects of various states of the jawbone on intrabony nerve distribution. Diseases closely related to both the nervous system and the stomatognathic system are divided into craniofacial diseases caused by neurological illnesses, and neurological diseases caused by an aberrant stomatognathic system. The two-way relationships between common diseases, such as periodontitis and neurodegenerative disorders, and depression and oral diseases were also discussed. This review provides valuable insights into novel strategies for neuro-skeletal tissue engineering and early prevention and treatment of orofacial and neurological diseases.
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Affiliation(s)
- Yuzhu Wu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Yanhua Lan
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Jiajie Mao
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Jiahui Shen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Ting Kang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
| | - Zhijian Xie
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
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Zerbini G, Maestroni S, Viganò I, Mosca A, Paleari R, Gabellini D, Galbiati S, Rama P. Progressive Thinning of Retinal Nerve Fiber Layer/Ganglion Cell Layer (RNFL/GCL) as Biomarker and Pharmacological Target of Diabetic Retinopathy. Int J Mol Sci 2023; 24:12672. [PMID: 37628852 PMCID: PMC10454227 DOI: 10.3390/ijms241612672] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/03/2023] [Accepted: 08/05/2023] [Indexed: 08/27/2023] Open
Abstract
Diabetes-driven retinal neurodegeneration has recently been shown to be involved in the initial phases of diabetic retinopathy, raising the possibility of setting up a preventive strategy based on early retinal neuroprotection. To make this possible, it is crucial to identify a biomarker for early retinal neurodegeneration. To this end, in this study, we verified and confirmed that, in the Akita mouse model of diabetes, the thinning of the retinal nerve fiber layer/ganglion cell layer (the RNFL/GCL-the layer that contains the retinal ganglion cells) precedes the death of these same cells, suggesting that this dysfunction is a possible biomarker of retinal neurodegeneration. We then confirmed the validity of this assumption by starting a neuroprotective treatment (based on nerve growth factor eye drops) in concert with the first demonstration of RNFL/GCL thinning. In this way, it was possible not only to avoid the loss of retinal ganglion cells but also to prevent the subsequent development of the microvascular stage of diabetic retinopathy. In conclusion, in the case of diabetes, the thinning of the RNFL/GCL appears to be both a valid biomarker and a pharmacological target of diabetic retinopathy; it precedes the development of vascular dysfunctions and represents the ideal starting point for prevention.
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Affiliation(s)
- Gianpaolo Zerbini
- Complications of Diabetes Unit, Diabetes Research Institute, IRCCS Ospedale San Raffaele, 20132 Milan, Italy; (S.M.); (I.V.); (D.G.); (S.G.)
| | - Silvia Maestroni
- Complications of Diabetes Unit, Diabetes Research Institute, IRCCS Ospedale San Raffaele, 20132 Milan, Italy; (S.M.); (I.V.); (D.G.); (S.G.)
| | - Ilaria Viganò
- Complications of Diabetes Unit, Diabetes Research Institute, IRCCS Ospedale San Raffaele, 20132 Milan, Italy; (S.M.); (I.V.); (D.G.); (S.G.)
| | - Andrea Mosca
- Centro per la Riferibilità Metrologica in Medicina di Laboratorio (CIRME), Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi di Milano, 20133 Milan, Italy; (A.M.); (R.P.)
- Istituto di Tecnologie Biomediche, Consiglio Nazionale delle Ricerche (ITB-CNR), 20054 Milan, Italy
| | - Renata Paleari
- Centro per la Riferibilità Metrologica in Medicina di Laboratorio (CIRME), Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi di Milano, 20133 Milan, Italy; (A.M.); (R.P.)
- Istituto di Tecnologie Biomediche, Consiglio Nazionale delle Ricerche (ITB-CNR), 20054 Milan, Italy
| | - Daniela Gabellini
- Complications of Diabetes Unit, Diabetes Research Institute, IRCCS Ospedale San Raffaele, 20132 Milan, Italy; (S.M.); (I.V.); (D.G.); (S.G.)
| | - Silvia Galbiati
- Complications of Diabetes Unit, Diabetes Research Institute, IRCCS Ospedale San Raffaele, 20132 Milan, Italy; (S.M.); (I.V.); (D.G.); (S.G.)
| | - Paolo Rama
- Cornea and Ocular Surface Unit, IRCCS Ospedale San Raffaele, Vita-Salute San Raffaele University, 20132 Milan, Italy;
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Walker LJ, Guevara C, Kawakami K, Granato M. Target-selective vertebrate motor axon regeneration depends on interaction with glial cells at a peripheral nerve plexus. PLoS Biol 2023; 21:e3002223. [PMID: 37590333 PMCID: PMC10464982 DOI: 10.1371/journal.pbio.3002223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 08/29/2023] [Accepted: 06/28/2023] [Indexed: 08/19/2023] Open
Abstract
A critical step for functional recovery from peripheral nerve injury is for regenerating axons to connect with their pre-injury targets. Reestablishing pre-injury target specificity is particularly challenging for limb-innervating axons as they encounter a plexus, a network where peripheral nerves converge, axons from different nerves intermingle, and then re-sort into target-specific bundles. Here, we examine this process at a plexus located at the base of the zebrafish pectoral fin, equivalent to tetrapod forelimbs. Using live cell imaging and sparse axon labeling, we find that regenerating motor axons from 3 nerves coalesce into the plexus. There, they intermingle and sort into distinct branches, and then navigate to their original muscle domains with high fidelity that restores functionality. We demonstrate that this regeneration process includes selective retraction of mistargeted axons, suggesting active correction mechanisms. Moreover, we find that Schwann cells are enriched and associate with axons at the plexus, and that Schwann cell ablation during regeneration causes profound axonal mistargeting. Our data provide the first real-time account of regenerating vertebrate motor axons navigating a nerve plexus and reveal a previously unappreciated role for Schwann cells to promote axon sorting at a plexus during regeneration.
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Affiliation(s)
- Lauren J. Walker
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Camilo Guevara
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Koichi Kawakami
- Laboratory of Molecular and Developmental Biology, National Institute of Genetics, and Department of Genetics, The Graduate University for Advanced Studies (SOKENDAI), Mishima, Shizuoka, Japan
| | - Michael Granato
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
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Brown MT, Cornblath DR, Koltzenburg M, Gorson KC, Hickman A, Pixton GC, Gaitonde P, Viktrup L, West CR. Peripheral Nerve Safety of Nerve Growth Factor Inhibition by Tanezumab: Pooled Analyses of Phase III Clinical Studies in Over 5000 Patients with Osteoarthritis. Clin Drug Investig 2023; 43:551-563. [PMID: 37460782 DOI: 10.1007/s40261-023-01286-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/25/2023] [Indexed: 07/29/2023]
Abstract
BACKGROUND Tanezumab, a humanized anti-nerve growth factor antibody, was developed for the treatment of pain associated with osteoarthritis. Due to its mechanism of action, peripheral nerve safety was assessed in all clinical studies. OBJECTIVES To summarize the neurological safety of intravenous (IV) and subcutaneous (SC) tanezumab versus placebo in patients with osteoarthritis. METHODS Data were pooled from 3389 patients across seven studies that investigated IV administration, and from 1840 patients across three studies that investigated SC administration. The treatment period of each study ranged from 16 to 24 weeks, and follow-up periods ranged from 8 to 24 weeks. Neurological safety evaluations focused on adverse events (AEs) of abnormal peripheral sensation (APS), neurologic examinations, and consultations. RESULTS Across datasets, the incidence of AEs of APS was higher in tanezumab groups versus placebo. Paresthesia and hypoesthesia were the most frequently reported AEs in tanezumab-treated patients, compared with placebo. In both datasets, most AEs were of mild severity, resolved, and rarely resulted in discontinuation. In all treatment groups in both IV and SC studies, over 90% of patients had no new or worsened neurological examination abnormalities at the last study visit. Across datasets, mononeuropathy was diagnosed more frequently in tanezumab groups compared with placebo. Polyneuropathy was diagnosed in ≤ 0.9% of patients in tanezumab and placebo groups. CONCLUSIONS Tanezumab IV or SC had an increased incidence of AEs of APS, such as paresthesia and hypoesthesia, and diagnoses of mononeuropathy compared with placebo. However, tanezumab was not associated with generalized peripheral neuropathy. CLINICALTRIALS GOV IDENTIFIERS NCT00733902, NCT00744471, NCT00830063, NCT00863304, NCT00863772, NCT01089725, NCT00985621, NCT02697773, and NCT02709486.
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Affiliation(s)
| | - David R Cornblath
- Department of Neurology, Johns Hopkins University, Baltimore, MD, USA
| | - Martin Koltzenburg
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
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Duarte FV, Ciampi D, Duarte CB. Mitochondria as central hubs in synaptic modulation. Cell Mol Life Sci 2023; 80:173. [PMID: 37266732 DOI: 10.1007/s00018-023-04814-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/10/2023] [Accepted: 05/19/2023] [Indexed: 06/03/2023]
Abstract
Mitochondria are present in the pre- and post-synaptic regions, providing the energy required for the activity of these very specialized neuronal compartments. Biogenesis of synaptic mitochondria takes place in the cell body, and these organelles are then transported to the synapse by motor proteins that carry their cargo along microtubule tracks. The transport of mitochondria along neurites is a highly regulated process, being modulated by the pattern of neuronal activity and by extracellular cues that interact with surface receptors. These signals act by controlling the distribution of mitochondria and by regulating their activity. Therefore, mitochondria activity at the synapse allows the integration of different signals and the organelles are important players in the response to synaptic stimulation. Herein we review the available evidence regarding the regulation of mitochondrial dynamics by neuronal activity and by neuromodulators, and how these changes in the activity of mitochondria affect synaptic communication.
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Affiliation(s)
- Filipe V Duarte
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- III - Institute for Interdisciplinary Research, University of Coimbra, Coimbra, Portugal
| | - Daniele Ciampi
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Carlos B Duarte
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.
- Department of Life Sciences, University of Coimbra, Coimbra, Portugal.
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Kendall A, Lützelschwab C, Lundblad J, Skiöldebrand E. Serum nerve growth factor in horses with osteoarthritis-associated lameness. J Vet Intern Med 2023; 37:1201-1208. [PMID: 37083137 DOI: 10.1111/jvim.16718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 04/08/2023] [Indexed: 04/22/2023] Open
Abstract
BACKGROUND Nerve growth factor (NGF) is a neurotrophin that is increased in osteoarthritic joints of horses. In humans, NGF has been associated with pain, and both synovial and serum NGF concentrations are increased in osteoarthritic patients. Studies in humans also have shown that serum NGF concentration can increase with stress. Serum NGF concentration should be evaluated in horses with osteoarthritis-associated lameness. OBJECTIVES Quantify and compare serum NGF concentration in horses with osteoarthritis-associated lameness and sound horses. Additionally, the impact of short-term stress on serum NGF concentration was investigated. ANIMALS Lame horses with radiographic evidence of osteoarthritis (n = 20), lame horses without radiographic changes in the affected joint (n = 20) and sound horses (n = 20). In addition, horses with acute fractures (n = 9) were sampled. To determine the effect of stress, serum from horses subjected to a stressful event (transportation, n = 5; stress confirmed by increased serum cortisol concentration) was analyzed. METHODS Cross-sectional clinical study (lame, sound, and fracture cohorts) and experimental longitudinal study (stress cohort). Serum NGF concentration was determined using a quantitative sandwich ELISA. RESULTS Serum NGF concentration was increased in lame horses with radiographic evidence of osteoarthritis (P < .0001; median, 238 pg/mL; interquartile range [IQR], 63-945 pg/mL) and in lame horses without radiographic evidence of osteoarthritis in the painful joint (P < .05; median, 31 pg/mL; IQR, 31-95 pg/mL) compared with sound horses (median, 31 pg/mL; IQR, 31-46 pg/mL). Serum NGF concentration did not increase with short-term stress and was low in horses with fracture-associated pain. CONCLUSIONS AND CLINICAL IMPORTANCE Serum NGF concentration was high in the cohort with advanced osteoarthritis and should be investigated as a marker for osteoarthritis-associated pain.
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Affiliation(s)
- Anna Kendall
- Division of Pathology, Pharmacology and Toxicology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Claudia Lützelschwab
- Division of Pathology, Pharmacology and Toxicology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Johan Lundblad
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Eva Skiöldebrand
- Division of Pathology, Pharmacology and Toxicology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Di Donato M, Giovannelli P, Migliaccio A, Castoria G. The nerve growth factor-delivered signals in prostate cancer and its associated microenvironment: when the dialogue replaces the monologue. Cell Biosci 2023; 13:60. [PMID: 36941697 PMCID: PMC10029315 DOI: 10.1186/s13578-023-01008-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 03/06/2023] [Indexed: 03/22/2023] Open
Abstract
Prostate cancer (PC) represents the most diagnosed and the second most lethal cancer in men worldwide. Its development and progression occur in concert with alterations in the surrounding tumor microenvironment (TME), made up of stromal cells and extracellular matrix (ECM) that dynamically interact with epithelial PC cells affecting their growth and invasiveness. PC cells, in turn, can functionally sculpt the TME through the secretion of various factors, including neurotrophins. Among them, the nerve growth factor (NGF) that is released by both epithelial PC cells and carcinoma-associated fibroblasts (CAFs) triggers the activation of various intracellular signaling cascades, thereby promoting the acquisition of a metastatic phenotype. After many years of investigation, it is indeed well established that aberrations and/or derangement of NGF signaling are involved not only in neurological disorders, but also in the pathogenesis of human proliferative diseases, including PC. Another key feature of cancer progression is the nerve outgrowth in TME and the concept of nerve dependence related to perineural invasion is currently emerging. NGF released by cancer cells can be a driver of tumor neurogenesis and nerves infiltrated in TME release neurotransmitters, which might stimulate the growth and sustainment of tumor cells.In this review, we aim to provide a snapshot of NGF action in the interactions between TME, nerves and PC cells. Understanding the molecular basis of this dialogue might expand the arsenal of therapeutic strategies against this widespread disease.
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Affiliation(s)
- Marzia Di Donato
- Department of Precision Medicine, University of Campania "L.Vanvitelli", 80138, Naples, Italy.
| | - Pia Giovannelli
- Department of Precision Medicine, University of Campania "L.Vanvitelli", 80138, Naples, Italy.
| | - Antimo Migliaccio
- Department of Precision Medicine, University of Campania "L.Vanvitelli", 80138, Naples, Italy
| | - Gabriella Castoria
- Department of Precision Medicine, University of Campania "L.Vanvitelli", 80138, Naples, Italy
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Madhubala D, Patra A, Islam T, Saikia K, Khan MR, Ahmed SA, Borah JC, Mukherjee AK. Snake venom nerve growth factor-inspired designing of novel peptide therapeutics for the prevention of paraquat-induced apoptosis, neurodegeneration, and alteration of metabolic pathway genes in the rat pheochromocytoma PC-12 cell. Free Radic Biol Med 2023; 197:23-45. [PMID: 36669545 DOI: 10.1016/j.freeradbiomed.2023.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 01/03/2023] [Accepted: 01/16/2023] [Indexed: 01/19/2023]
Abstract
Neurodegenerative disorders (ND), associated with the progressive loss of neurons, oxidative stress-mediated production of reactive oxygen species (ROS), and mitochondrial dysfunction, can be treated with synthetic peptides possessing innate neurotrophic effects and neuroprotective activity. Computational analysis of two small synthetic peptides (trideca-neuropeptide, TNP; heptadeca-neuropeptide, HNP) developed from the nerve growth factors from snake venoms predicted their significant interaction with the human TrkA receptor (TrkA). In silico results were validated by an in vitro binding study of the FITC-conjugated custom peptides to rat pheochromocytoma PC-12 cell TrkA receptors. Pre-treatment of PC-12 cells with TNP and HNP induced neuritogenesis and significantly reduced the paraquat (PT)-induced cellular toxicity, the release of lactate dehydrogenase from the cell cytoplasm, production of intracellular ROS, restored the level of antioxidants, prevented alteration of mitochondrial transmembrane potential (ΔΨm) and adenosine triphosphate (ATP) production, and inhibited cellular apoptosis. These peptides lack in vitro cytotoxicity, haemolytic activity, and platelet-modulating properties and do not interfere with the blood coagulation system. Functional proteomic analyses demonstrated the reversal of PT-induced upregulated and downregulated metabolic pathway genes in PC-12 cells that were pre-treated with HNP and revealed the metabolic pathways regulated by HNP to induce neuritogenesis and confer protection against PT-induced neuronal damage in PC-12. The quantitative RT-PCR analysis confirmed that the PT-induced increased and decreased expression of critical pro-apoptotic and anti-apoptotic genes had been restored in the PC-12 cells pre-treated with the custom peptides. A network gene expression profile was proposed to elucidate the molecular interactions among the regulatory proteins for HNP to salvage the PT-induced damage. Taken together, our results show how the peptides can rescue PT-induced oxidative stress, mitochondrial dysfunction, and cellular death and suggest new opportunities for developing neuroprotective drugs.
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Affiliation(s)
- Dev Madhubala
- Microbial Biotechnology and Protein Research Laboratory, Department of Molecular Biology and Biotechnology, School of Sciences, Tezpur University, Tezpur, 784028, Assam, India; Microbial Biotechnology and Protein Research Laboratory, Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India
| | - Aparup Patra
- Microbial Biotechnology and Protein Research Laboratory, Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India
| | - Taufikul Islam
- Microbial Biotechnology and Protein Research Laboratory, Department of Molecular Biology and Biotechnology, School of Sciences, Tezpur University, Tezpur, 784028, Assam, India
| | - Kangkon Saikia
- Microbial Biotechnology and Protein Research Laboratory, Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India
| | - Mojibur R Khan
- Microbial Biotechnology and Protein Research Laboratory, Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India
| | - Semim Akhtar Ahmed
- Microbial Biotechnology and Protein Research Laboratory, Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India
| | - Jagat C Borah
- Microbial Biotechnology and Protein Research Laboratory, Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India
| | - Ashis K Mukherjee
- Microbial Biotechnology and Protein Research Laboratory, Department of Molecular Biology and Biotechnology, School of Sciences, Tezpur University, Tezpur, 784028, Assam, India; Microbial Biotechnology and Protein Research Laboratory, Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India.
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47
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Ferraguti G, Terracina S, Micangeli G, Lucarelli M, Tarani L, Ceccanti M, Spaziani M, D'Orazi V, Petrella C, Fiore M. NGF and BDNF in pediatrics syndromes. Neurosci Biobehav Rev 2023; 145:105015. [PMID: 36563920 DOI: 10.1016/j.neubiorev.2022.105015] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 11/02/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
Neurotrophins (NTs) as nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) play multiple roles in different settings including neuronal development, function and survival in both the peripheral and the central nervous systems from early stages. This report aims to provide a summary and subsequent review of evidences on the role of NTs in rare and non-common pediatric human diseases associated with changes in neurodevelopment. A variety of diseases has been analyzed and many have been linked to NTs neurobiological effects, including chronic granulomatous disease, hereditary sensory and autonomic neuropathy, Duchenne muscular dystrophy, Bardet-Biedl syndrome, Angelman syndrome, fragile X syndrome, trisomy 16, Williams-Beuren syndrome, Prader-Willi syndrome, WAGR syndrome, fetal alcohol spectrum disorders, Down syndrome and Klinefelter Syndrome. NTs alterations have been associated with numerous pathologic manifestations including cognitive defects, behavioral abnormalities, epilepsy, obesity, tumorigenesis as well as muscle-skeletal, immunity, bowel, pain sensibility and cilia diseases. In this report, we discuss that further studies are needed to clear a possible therapeutic role of NTs in these still often uncurable diseases.
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Affiliation(s)
- Giampiero Ferraguti
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Sergio Terracina
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Ginevra Micangeli
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Italy
| | - Marco Lucarelli
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Luigi Tarani
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Italy
| | - Mauro Ceccanti
- SITAC, Società Italiana per il Trattamento dell'Alcolismo e le sue Complicanze, Rome, Italy
| | - Matteo Spaziani
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Valerio D'Orazi
- Department of Surgical Sciences, Sapienza University of Rome, Rome, Italy
| | - Carla Petrella
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy.
| | - Marco Fiore
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy.
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48
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Elia A, Fossati S. Autonomic nervous system and cardiac neuro-signaling pathway modulation in cardiovascular disorders and Alzheimer's disease. Front Physiol 2023; 14:1060666. [PMID: 36798942 PMCID: PMC9926972 DOI: 10.3389/fphys.2023.1060666] [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: 10/03/2022] [Accepted: 01/19/2023] [Indexed: 01/31/2023] Open
Abstract
The heart is a functional syncytium controlled by a delicate and sophisticated balance ensured by the tight coordination of its several cell subpopulations. Accordingly, cardiomyocytes together with the surrounding microenvironment participate in the heart tissue homeostasis. In the right atrium, the sinoatrial nodal cells regulate the cardiac impulse propagation through cardiomyocytes, thus ensuring the maintenance of the electric network in the heart tissue. Notably, the central nervous system (CNS) modulates the cardiac rhythm through the two limbs of the autonomic nervous system (ANS): the parasympathetic and sympathetic compartments. The autonomic nervous system exerts non-voluntary effects on different peripheral organs. The main neuromodulator of the Sympathetic Nervous System (SNS) is norepinephrine, while the principal neurotransmitter of the Parasympathetic Nervous System (PNS) is acetylcholine. Through these two main neurohormones, the ANS can gradually regulate cardiac, vascular, visceral, and glandular functions by turning on one of its two branches (adrenergic and/or cholinergic), which exert opposite effects on targeted organs. Besides these neuromodulators, the cardiac nervous system is ruled by specific neuropeptides (neurotrophic factors) that help to preserve innervation homeostasis through the myocardial layers (from epicardium to endocardium). Interestingly, the dysregulation of this neuro-signaling pathway may expose the cardiac tissue to severe disorders of different etiology and nature. Specifically, a maladaptive remodeling of the cardiac nervous system may culminate in a progressive loss of neurotrophins, thus leading to severe myocardial denervation, as observed in different cardiometabolic and neurodegenerative diseases (myocardial infarction, heart failure, Alzheimer's disease). This review analyzes the current knowledge on the pathophysiological processes involved in cardiac nervous system impairment from the perspectives of both cardiac disorders and a widely diffused and devastating neurodegenerative disorder, Alzheimer's disease, proposing a relationship between neurodegeneration, loss of neurotrophic factors, and cardiac nervous system impairment. This overview is conducive to a more comprehensive understanding of the process of cardiac neuro-signaling dysfunction, while bringing to light potential therapeutic scenarios to correct or delay the adverse cardiovascular remodeling, thus improving the cardiac prognosis and quality of life in patients with heart or neurodegenerative disorders.
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49
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Yavuz Saricay L, Gonzalez Monroy JE, Fulton AB. Can Nerve Growth Factor (NGF) Be a Treatment Option for Pediatric Eye Diseases? Semin Ophthalmol 2023:1-6. [PMID: 36683264 DOI: 10.1080/08820538.2023.2168485] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A critical review of mechanisms of action and pharmacokinetics of nerve growth factor (NGF), including topical administration, and the studies showing the NGF treatment for anterior and posterior segment diseases in adult and pediatric population are summarized in our paper. Nerve growth factor is commonly used for many different ocular conditions in the adult population to promote nerve regeneration or cellular rescue. Clinical trials for recombinant human NGF have also treated several challenging ocular conditions, such as neurotrophic keratopathy, glaucoma, and retinitis pigmentosa with cystoid macular edema. The safety and efficacy of NGF have been demonstrated in pediatric patients as well. This leads us to consider new applications of NGF for the treatment of pediatric eye diseases.
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Affiliation(s)
- Leyla Yavuz Saricay
- Department of Ophthalmology, Boston Children's Hospital, Boston, MA, USA.,Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Jose Efren Gonzalez Monroy
- Department of Ophthalmology, Boston Children's Hospital, Boston, MA, USA.,Department of Ophthalmology, Harvard Medical School, Boston, MA, USA.,Department of Ophthalmology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Anne B Fulton
- Department of Ophthalmology, Boston Children's Hospital, Boston, MA, USA.,Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
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50
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Walker LJ, Guevara C, Kawakami K, Granato M. A glia cell dependent mechanism at a peripheral nerve plexus critical for target-selective axon regeneration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.05.522786. [PMID: 36712008 PMCID: PMC9881934 DOI: 10.1101/2023.01.05.522786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A critical step for functional recovery from peripheral nerve injury is for regenerating axons to connect with their pre-injury targets. Reestablishing pre-injury target specificity is particularly challenging for limb-innervating axons as they encounter a plexus, a network where peripheral nerves converge, axons from different nerves intermingle, and then re-sort into target-specific bundles. Here, we examine this process at a plexus located at the base of the zebrafish pectoral fin, equivalent to tetrapod forelimbs. Using live cell imaging and sparse axon labeling, we find that regenerating motor axons from three nerves coalesce into the plexus. There, they intermingle and sort into distinct branches, and then navigate to their original muscle domains with high fidelity that restores functionality. We demonstrate that this regeneration process includes selective retraction of mistargeted axons, suggesting active correction mechanisms. Moreover, we find that Schwann cells are enriched and associate with axons at the plexus, and that Schwann cell ablation during regeneration causes profound axonal mistargeting. Our data provide the first real time account of regenerating vertebrate motor axons navigating a nerve plexus and reveal a previously unappreciated role for Schwann cells to promote axon sorting at a plexus during regeneration.
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Affiliation(s)
- Lauren J Walker
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Camilo Guevara
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Koichi Kawakami
- Laboratory of Molecular and Developmental Biology, National Institute of Genetics, and Department of Genetics, The Graduate University for Advanced Studies (SOKENDAI), Mishima, Shizuoka 411-8540, Japan
| | - Michael Granato
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
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