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Alvarez‐Contino JE, Díaz‐Sánchez E, Mirchandani‐Duque M, Sánchez‐Pérez JA, Barbancho MA, López‐Salas A, García‐Casares N, Fuxe K, Borroto‐Escuela DO, Narváez M. GALR2 and Y1R agonists intranasal infusion enhanced adult ventral hippocampal neurogenesis and antidepressant-like effects involving BDNF actions. J Cell Physiol 2023; 238:459-474. [PMID: 36599082 PMCID: PMC10952952 DOI: 10.1002/jcp.30944] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 11/28/2022] [Accepted: 12/24/2022] [Indexed: 01/06/2023]
Abstract
Dysregulation of adult hippocampal neurogenesis is linked to major depressive disorder (MDD), with more than 300 million people diagnosed and worsened by the COVID-19 pandemic. Accumulating evidence for neuropeptide Y (NPY) and galanin (GAL) interaction was shown in various limbic system regions at molecular-, cellular-, and behavioral-specific levels. The purpose of the current work was to evaluate the proliferating role of GAL2 receptor (GALR2) and Y1R agonists interaction upon intranasal infusion in the ventral hippocampus. We studied their hippocampal proliferating actions using the proliferating cell nuclear antigen (PCNA) on neuroblasts or stem cells and the expression of the brain-derived neurothrophic factor (BDNF). Moreover, we studied the formation of Y1R-GALR2 heteroreceptor complexes and analyzed morphological changes in hippocampal neuronal cells. Finally, the functional outcome of the NPY and GAL interaction on the ventral hippocampus was evaluated in the forced swimming test. We demonstrated that the intranasal infusion of GALR2 and the Y1R agonists promotes neuroblasts proliferation in the dentate gyrus of the ventral hippocampus and the induction of the neurotrophic factor BDNF. These effects were mediated by the increased formation of Y1R-GALR2 heteroreceptor complexes, which may mediate the neurites outgrowth observed on neuronal hippocampal cells. Importantly, BDNF action was found necessary for the antidepressant-like effects after GALR2 and the Y1R agonists intranasal administration. Our data may suggest the translational development of new heterobivalent agonist pharmacophores acting on Y1R-GALR2 heterocomplexes in the ventral hippocampus for the novel therapy of MDD or depressive-affecting diseases.
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Affiliation(s)
- Jose Erik Alvarez‐Contino
- Laboratorio NeuronLab, Instituto de Investigación Biomédica de Málaga, Facultad de MedicinaUniversidad de MálagaMalagaSpain
| | - Estela Díaz‐Sánchez
- Laboratorio NeuronLab, Instituto de Investigación Biomédica de Málaga, Facultad de MedicinaUniversidad de MálagaMalagaSpain
- Grupo Hospitalario VithasVithas MálagaMálagaSpain
| | - Marina Mirchandani‐Duque
- Laboratorio NeuronLab, Instituto de Investigación Biomédica de Málaga, Facultad de MedicinaUniversidad de MálagaMalagaSpain
| | - Jose Andrés Sánchez‐Pérez
- Unit of Psychiatry, Instituto de Investigación Biomédica de MálagaHospital Universitario Virgen de la VictoriaMálagaSpain
| | - Miguel A. Barbancho
- Laboratorio NeuronLab, Instituto de Investigación Biomédica de Málaga, Facultad de MedicinaUniversidad de MálagaMalagaSpain
| | - Alexander López‐Salas
- Laboratorio NeuronLab, Instituto de Investigación Biomédica de Málaga, Facultad de MedicinaUniversidad de MálagaMalagaSpain
| | - Natalia García‐Casares
- Laboratorio NeuronLab, Instituto de Investigación Biomédica de Málaga, Facultad de MedicinaUniversidad de MálagaMalagaSpain
| | - Kjell Fuxe
- Department of NeuroscienceKarolinska InstituteStockholmSweden
| | - Dasiel O. Borroto‐Escuela
- Laboratorio NeuronLab, Instituto de Investigación Biomédica de Málaga, Facultad de MedicinaUniversidad de MálagaMalagaSpain
- Department of NeuroscienceKarolinska InstituteStockholmSweden
- Department of Biomolecular Science, Section of PhysiologyUniversity of UrbinoUrbinoItaly
| | - Manuel Narváez
- Laboratorio NeuronLab, Instituto de Investigación Biomédica de Málaga, Facultad de MedicinaUniversidad de MálagaMalagaSpain
- Grupo Hospitalario VithasVithas MálagaMálagaSpain
- Department of NeuroscienceKarolinska InstituteStockholmSweden
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Mirchandani-Duque M, Barbancho MA, López-Salas A, Alvarez-Contino JE, García-Casares N, Fuxe K, Borroto-Escuela DO, Narváez M. Galanin and Neuropeptide Y Interaction Enhances Proliferation of Granule Precursor Cells and Expression of Neuroprotective Factors in the Rat Hippocampus with Consequent Augmented Spatial Memory. Biomedicines 2022; 10:1297. [PMID: 35740319 PMCID: PMC9219743 DOI: 10.3390/biomedicines10061297] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 05/27/2022] [Accepted: 05/28/2022] [Indexed: 02/04/2023] Open
Abstract
Dysregulation of hippocampal neurogenesis is linked to several neurodegenereative diseases, where boosting hippocampal neurogenesis in these patients emerges as a potential therapeutic approach. Accumulating evidence for a neuropeptide Y (NPY) and galanin (GAL) interaction was shown in various limbic system regions at molecular-, cellular-, and behavioral-specific levels. The purpose of the current work was to evaluate the role of the NPY and GAL interaction in the neurogenic actions on the dorsal hippocampus. We studied the Y1R agonist and GAL effects on: hippocampal cell proliferation through the proliferating cell nuclear antigen (PCNA), the expression of neuroprotective and anti-apoptotic factors, and the survival of neurons and neurite outgrowth on hippocampal neuronal cells. The functional outcome was evaluated in the object-in-place task. We demonstrated that the Y1R agonist and GAL promote cell proliferation and the induction of neuroprotective factors. These effects were mediated by the interaction of NPYY1 (Y1R) and GAL2 (GALR2) receptors, which mediate the increased survival and neurites' outgrowth observed on neuronal hippocampal cells. These cellular effects are linked to the improved spatial-memory effects after the Y1R agonist and GAL co-injection at 24 h in the object-in-place task. Our results suggest the development of heterobivalent agonist pharmacophores, targeting Y1R-GALR2 heterocomplexes, therefore acting on the neuronal precursor cells of the DG in the dorsal hippocampus for the novel therapy of neurodegenerative cognitive-affecting diseases.
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Affiliation(s)
- Marina Mirchandani-Duque
- Instituto de Investigación Biomédica de Málaga, Facultad de Medicina, Universidad de Málaga, 29071 Malaga, Spain; (M.M.-D.); (M.A.B.); (A.L.-S.); (J.E.A.-C.); (N.G.-C.)
| | - Miguel A. Barbancho
- Instituto de Investigación Biomédica de Málaga, Facultad de Medicina, Universidad de Málaga, 29071 Malaga, Spain; (M.M.-D.); (M.A.B.); (A.L.-S.); (J.E.A.-C.); (N.G.-C.)
| | - Alexander López-Salas
- Instituto de Investigación Biomédica de Málaga, Facultad de Medicina, Universidad de Málaga, 29071 Malaga, Spain; (M.M.-D.); (M.A.B.); (A.L.-S.); (J.E.A.-C.); (N.G.-C.)
| | - Jose Erik Alvarez-Contino
- Instituto de Investigación Biomédica de Málaga, Facultad de Medicina, Universidad de Málaga, 29071 Malaga, Spain; (M.M.-D.); (M.A.B.); (A.L.-S.); (J.E.A.-C.); (N.G.-C.)
| | - Natalia García-Casares
- Instituto de Investigación Biomédica de Málaga, Facultad de Medicina, Universidad de Málaga, 29071 Malaga, Spain; (M.M.-D.); (M.A.B.); (A.L.-S.); (J.E.A.-C.); (N.G.-C.)
| | - Kjell Fuxe
- Department of Neuroscience, Karolinska Institute, 17177 Stockholm, Sweden;
| | - Dasiel O. Borroto-Escuela
- Instituto de Investigación Biomédica de Málaga, Facultad de Medicina, Universidad de Málaga, 29071 Malaga, Spain; (M.M.-D.); (M.A.B.); (A.L.-S.); (J.E.A.-C.); (N.G.-C.)
- Department of Neuroscience, Karolinska Institute, 17177 Stockholm, Sweden;
- Department of Biomolecular Science, Section of Physiology, University of Urbino, 61029 Urbino, Italy
| | - Manuel Narváez
- Instituto de Investigación Biomédica de Málaga, Facultad de Medicina, Universidad de Málaga, 29071 Malaga, Spain; (M.M.-D.); (M.A.B.); (A.L.-S.); (J.E.A.-C.); (N.G.-C.)
- Department of Neuroscience, Karolinska Institute, 17177 Stockholm, Sweden;
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Ojiro R, Watanabe Y, Okano H, Takahashi Y, Takashima K, Tang Q, Ozawa S, Saito F, Akahori Y, Jin M, Yoshida T, Shibutani M. Gene expression profiles of multiple brain regions in rats differ between developmental and postpubertal exposure to valproic acid. J Appl Toxicol 2021; 42:864-882. [PMID: 34779009 DOI: 10.1002/jat.4263] [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: 07/25/2021] [Revised: 10/06/2021] [Accepted: 10/19/2021] [Indexed: 11/05/2022]
Abstract
We have previously reported that the valproic acid (VPA)-induced disruption pattern of hippocampal adult neurogenesis differs between developmental and 28-day postpubertal exposure. In the present study, we performed brain region-specific global gene expression profiling to compare the profiles of VPA-induced neurotoxicity between developmental and postpubertal exposure. Offspring exposed to VPA at 0, 667, and 2000 parts per million (ppm) via maternal drinking water from gestational day 6 until weaning (postnatal day 21) were examined, along with male rats orally administered VPA at 0, 200, and 900 mg/kg body weight for 28 days starting at 5 weeks old. Four brain regions-the hippocampal dentate gyrus, corpus callosum, cerebral cortex, and cerebellar vermis-were subjected to expression microarray analysis. Profiled data suggested a region-specific pattern of effects after developmental VPA exposure, and a common pattern of effects among brain regions after postpubertal VPA exposure. Developmental VPA exposure typically led to the altered expression of genes related to nervous system development (Msx1, Xcl1, Foxj1, Prdm16, C3, and Kif11) in the hippocampus, and those related to nervous system development (Neurod1) and gliogenesis (Notch1 and Sox9) in the corpus callosum. Postpubertal VPA exposure led to the altered expression of genes related to neuronal differentiation and projection (Cd47, Cyr61, Dbi, Adamts1, and Btg2) in multiple brain regions. These findings suggested that neurotoxic patterns of VPA might be different between developmental and postpubertal exposure, which was consistent with our previous study. Of note, the hippocampal dentate gyrus might be a sensitive target of developmental neurotoxicants after puberty.
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Affiliation(s)
- Ryota Ojiro
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
| | - Yousuke Watanabe
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
| | - Hiromu Okano
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
| | - Yasunori Takahashi
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
| | - Kazumi Takashima
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
| | - Qian Tang
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
| | - Shunsuke Ozawa
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
| | - Fumiyo Saito
- Chemicals Assessment and Research Center, Chemicals Evaluation and Research Institute, Japan, Bunkyo-ku, Tokyo, Japan.,Department of Toxicology, Faculty of Veterinary Medicine, Okayama University of Science, Imabari-shi, Ehime, Japan
| | - Yumi Akahori
- Chemicals Assessment and Research Center, Chemicals Evaluation and Research Institute, Japan, Bunkyo-ku, Tokyo, Japan
| | - Meilan Jin
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Southwest University, Chongqing, China
| | - Toshinori Yoshida
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
| | - Makoto Shibutani
- Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.,Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan
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Weir K, Kim DW, Blackshaw S. A potential role for somatostatin signaling in regulating retinal neurogenesis. Sci Rep 2021; 11:10962. [PMID: 34040115 PMCID: PMC8155210 DOI: 10.1038/s41598-021-90554-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 05/11/2021] [Indexed: 02/06/2023] Open
Abstract
Neuropeptides have been reported to regulate progenitor proliferation and neurogenesis in the central nervous system. However, these studies have typically been conducted using pharmacological agents in ex vivo preparations, and in vivo evidence for their developmental function is generally lacking. Recent scRNA-Seq studies have identified multiple neuropeptides and their receptors as being selectively expressed in neurogenic progenitors of the embryonic mouse and human retina. This includes Sstr2, whose ligand somatostatin is transiently expressed by immature retinal ganglion cells. By analyzing retinal explants treated with selective ligands that target these receptors, we found that Sstr2-dependent somatostatin signaling induces a modest, dose-dependent inhibition of photoreceptor generation, while correspondingly increasing the relative fraction of primary progenitor cells. These effects were confirmed by scRNA-Seq analysis of retinal explants but abolished in Sstr2-deficient retinas. Although no changes in the relative fraction of primary progenitors or photoreceptor precursors were observed in Sstr2-deficient retinas in vivo, scRNA-Seq analysis demonstrated accelerated differentiation of neurogenic progenitors. We conclude that, while Sstr2 signaling may act to negatively regulate retinal neurogenesis in combination with other retinal ganglion cell-derived secreted factors such as Shh, it is dispensable for normal retinal development.
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Affiliation(s)
- Kurt Weir
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Dong Won Kim
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Seth Blackshaw
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA. .,Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA. .,Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA. .,Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA. .,Kavli Neuroscience Discovery Institute, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
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