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Valamparamban GF, Spéder P. Homemade: building the structure of the neurogenic niche. Front Cell Dev Biol 2023; 11:1275963. [PMID: 38107074 PMCID: PMC10722289 DOI: 10.3389/fcell.2023.1275963] [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: 08/10/2023] [Accepted: 11/16/2023] [Indexed: 12/19/2023] Open
Abstract
Neural stem/progenitor cells live in an intricate cellular environment, the neurogenic niche, which supports their function and enables neurogenesis. The niche is made of a diversity of cell types, including neurons, glia and the vasculature, which are able to signal to and are structurally organised around neural stem/progenitor cells. While the focus has been on how individual cell types signal to and influence the behaviour of neural stem/progenitor cells, very little is actually known on how the niche is assembled during development from multiple cellular origins, and on the role of the resulting topology on these cells. This review proposes to draw a state-of-the art picture of this emerging field of research, with the aim to expose our knowledge on niche architecture and formation from different animal models (mouse, zebrafish and fruit fly). We will span its multiple aspects, from the existence and importance of local, adhesive interactions to the potential emergence of larger-scale topological properties through the careful assembly of diverse cellular and acellular components.
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Affiliation(s)
| | - Pauline Spéder
- Institut Pasteur, Université Paris Cité, CNRS UMR3738, Structure and Signals in the Neurogenic Niche, Paris, France
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Adedara IA, Atanda OE, Sant'Anna Monteiro C, Rosemberg DB, Aschner M, Farombi EO, Rocha JBT, Furian AF, Emanuelli T. Cellular and molecular mechanisms of aflatoxin B 1-mediated neurotoxicity: The therapeutic role of natural bioactive compounds. ENVIRONMENTAL RESEARCH 2023; 237:116869. [PMID: 37567382 DOI: 10.1016/j.envres.2023.116869] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Aflatoxin B1 (AFB1), a dietary toxin from the mold Aspergillus species, is well acknowledged to elicit extra-hepatic toxicity in both animals and humans. The neurotoxicity of AFB1 has become a global public health concern. Contemporary research on how AFB1 enters the brain to elicit neuronal dysregulation leading to noxious neurological outcomes has increased greatly in recent years. The current review discusses several neurotoxic outcomes and susceptible targets of AFB1 toxicity at cellular, molecular and genetic levels. Specifically, neurotoxicity studies involving the use of brain homogenates, neuroblastoma cell line IMR-32, human brain microvascular endothelial cells, microglial cells, and astrocytes, as well as mammalian and non-mammalian models to unravel the mechanisms associated with AFB1 exposure are highlighted. Further, some naturally occurring bioactive compounds with compelling therapeutic effects on AFB1-induced neurotoxicity are reviewed. In conclusion, available data from literature highlight AFB1 as a neurotoxin and its possible pathological contribution to neurological disorders. Further mechanistic studies aimed at discovering and developing effective therapeutics for AFB1 neurotoxicity is warranted.
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Affiliation(s)
- Isaac A Adedara
- Department of Food Science and Technology, Center of Rural Sciences, Federal University of Santa Maria, Camobi, 97105-900 Santa Maria, RS, Brazil; Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria.
| | - Oluwadarasimi E Atanda
- Human Toxicology Program, Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA, 52242, USA
| | - Camila Sant'Anna Monteiro
- Department of Food Science and Technology, Center of Rural Sciences, Federal University of Santa Maria, Camobi, 97105-900 Santa Maria, RS, Brazil
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Camobi, 97105-900 Santa Maria, RS, Brazil
| | - Michael Aschner
- Department of Molecular Pharmacology; Albert Einstein College of Medicine Forchheimer 209; 1300 Morris Park Avenue, Bronx, NY 10461, USA
| | - Ebenezer O Farombi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Joao B T Rocha
- Department of Biochemical and Molecular Biology, Federal University of Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Ana Flávia Furian
- Department of Food Science and Technology, Center of Rural Sciences, Federal University of Santa Maria, Camobi, 97105-900 Santa Maria, RS, Brazil
| | - Tatiana Emanuelli
- Department of Food Science and Technology, Center of Rural Sciences, Federal University of Santa Maria, Camobi, 97105-900 Santa Maria, RS, Brazil
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Mosteiro A, Pedrosa L, Ferrés A, Diao D, Sierra À, González JJ. The Vascular Microenvironment in Glioblastoma: A Comprehensive Review. Biomedicines 2022; 10:biomedicines10061285. [PMID: 35740307 PMCID: PMC9219822 DOI: 10.3390/biomedicines10061285] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/25/2022] [Accepted: 05/28/2022] [Indexed: 02/06/2023] Open
Abstract
Glioblastoma multiforme, the deadliest primary brain tumor, is characterized by an excessive and aberrant neovascularization. The initial expectations raised by anti-angiogenic drugs were soon tempered due to their limited efficacy in improving the overall survival. Intrinsic resistance and escape mechanisms against anti-VEGF therapies evidenced that tumor angiogenesis is an intricate multifaceted phenomenon and that vessels not only support the tumor but exert indispensable interactions for resistance and spreading. This holistic review covers the essentials of the vascular microenvironment of glioblastoma, including the perivascular niche components, the vascular generation patterns and the implicated signaling pathways, the endothelial–tumor interrelation, and the interconnection between vessel aberrancies and immune disarrangement. The revised concepts provide novel insights into the preclinical models and the potential explanations for the failure of conventional anti-angiogenic therapies, leading to an era of new and combined anti-angiogenic-based approaches.
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Affiliation(s)
- Alejandra Mosteiro
- Department of Neurosurgery, Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (A.F.); (J.J.G.)
- Correspondence:
| | - Leire Pedrosa
- Laboratory of Experimental Oncological Neurosurgery, Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (L.P.); (D.D.); (À.S.)
| | - Abel Ferrés
- Department of Neurosurgery, Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (A.F.); (J.J.G.)
| | - Diouldé Diao
- Laboratory of Experimental Oncological Neurosurgery, Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (L.P.); (D.D.); (À.S.)
| | - Àngels Sierra
- Laboratory of Experimental Oncological Neurosurgery, Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (L.P.); (D.D.); (À.S.)
- Department of Medicine and Life Sciences (MELIS), Universitat Pompeu Fabra, 08003 Barcelona, Spain
| | - José Juan González
- Department of Neurosurgery, Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (A.F.); (J.J.G.)
- Laboratory of Experimental Oncological Neurosurgery, Hospital Clínic de Barcelona, 08036 Barcelona, Spain; (L.P.); (D.D.); (À.S.)
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Ferrarese R, Carro MS. Neural networks help zebrafish to step up as a model for efficient drug screening in glioblastoma. Neuro Oncol 2022; 24:739-740. [PMID: 35182417 PMCID: PMC9071326 DOI: 10.1093/neuonc/noac045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Roberto Ferrarese
- Department of Neurosurgery, Medical Center—University of Freiburg, Freiburg, Germany
| | - Maria Stella Carro
- Corresponding Author: Maria Stella Carro, PhD, Department of Neurosurgery, Medical Center—University of Freiburg, Germany, Breisacherstraße 64, 79106 Freiburg, Germany ()
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