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Rojas R, Griñán-Ferré C, Castellanos A, Griego E, Martínez M, Navarro-López JDD, Jiménez-Díaz L, Rodríguez-Álvarez J, Del Cerro DS, Castillo PE, Pallàs M, Fadó R, Casals N. BETA-HYDROXYBUTYRATE COUNTERACTS THE DELETERIOUS EFFECTS OF A SATURATED HIGH-FAT DIET ON SYNAPTIC AMPA RECEPTORS AND COGNITIVE PERFORMANCE. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.23.576931. [PMID: 39091837 PMCID: PMC11291009 DOI: 10.1101/2024.01.23.576931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
The ketogenic diet, characterized by high fat and low carbohydrates, has gained popularity not only as a strategy for managing body weight but also for its efficacy in delaying cognitive decline associated with neurodegenerative diseases and the aging process. Since this dietary approach stimulates the liver's production of ketone bodies, primarily β-hydroxybutyrate (BHB), which serves as an alternative energy source for neurons, we investigated whether BHB could mitigate impaired AMPA receptor trafficking, synaptic dysfunction, and cognitive decline induced by metabolic challenges such as saturated fatty acids. Here, we observe that, in cultured primary cortical neurons, exposure to palmitic acid (200μM) decreased surface levels of glutamate GluA1-containing AMPA receptors, whereas unsaturated fatty acids, such as oleic acid and ω-3 docosahexaenoic acid (200μM), and BHB (5mM) increased them. Furthermore, BHB countered the adverse effects of palmitic acid on synaptic GluA1 levels in hippocampal neurons, as well as excitability and plasticity in hippocampal slices. Additionally, daily intragastric administration of BHB (100 mg/kg/day) for two months reversed cognitive impairment induced by a saturated high-fat diet (49% of calories from fat) in a mouse experimental model of obesity. In summary, our findings underscore the significant impact of fatty acids and ketone bodies on AMPA receptors abundance, synaptic function and neuroplasticity, shedding light on the potential use of BHB to delay cognitive impairments associated with metabolic diseases.
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Bellver-Sanchis A, Geng Q, Navarro G, Ávila-López PA, Companys-Alemany J, Marsal-García L, Larramona-Arcas R, Miró L, Perez-Bosque A, Ortuño-Sahagún D, Banerjee DR, Choudhary BS, Soriano FX, Poulard C, Pallàs M, Du HN, Griñán-Ferré C. G9a Inhibition Promotes Neuroprotection through GMFB Regulation in Alzheimer's Disease. Aging Dis 2024; 15:311-337. [PMID: 37307824 PMCID: PMC10796087 DOI: 10.14336/ad.2023.0424-2] [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: 01/22/2023] [Accepted: 04/24/2023] [Indexed: 06/14/2023] Open
Abstract
Epigenetic alterations are a fundamental pathological hallmark of Alzheimer's disease (AD). Herein, we show the upregulation of G9a and H3K9me2 in the brains of AD patients. Interestingly, treatment with a G9a inhibitor (G9ai) in SAMP8 mice reversed the high levels of H3K9me2 and rescued cognitive decline. A transcriptional profile analysis after G9ai treatment revealed increased gene expression of glia maturation factor β (GMFB) in SAMP8 mice. Besides, a H3K9me2 ChIP-seq analysis after G9a inhibition treatment showed the enrichment of gene promoters associated with neural functions. We observed the induction of neuronal plasticity and a reduction of neuroinflammation after G9ai treatment, and more strikingly, these neuroprotective effects were reverted by the pharmacological inhibition of GMFB in mice and cell cultures; this was also validated by the RNAi approach generating the knockdown of GMFB/Y507A.10 in Caenorhabditis elegans. Importantly, we present evidence that GMFB activity is controlled by G9a-mediated lysine methylation as well as we identified that G9a directly bound GMFB and catalyzed the methylation at lysine (K) 20 and K25 in vitro. Furthermore, we found that the neurodegenerative role of G9a as a GMFB suppressor would mainly rely on methylation of the K25 position of GMFB, and thus G9a pharmacological inhibition removes this methylation promoting neuroprotective effects. Then, our findings confirm an undescribed mechanism by which G9a inhibition acts at two levels, increasing GMFB and regulating its function to promote neuroprotective effects in age-related cognitive decline.
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Affiliation(s)
- Aina Bellver-Sanchis
- Department of Pharmacology and Therapeutic Chemistry, Institut de Neurociències-Universitat de Barcelona, 08028 Barcelona, Spain.
| | - Qizhi Geng
- Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology and Metabolism, RNA Institute, College of Life Sciences, Wuhan University, Wuhan 430072, China.
| | - Gemma Navarro
- Centro de Investigación en Red, Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain.
- Department Biochemistry and Physiology, Faculty of Pharmacy. Universitat de Barcelona, 08028 Barcelona, Spain.
| | - Pedro A. Ávila-López
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
| | - Júlia Companys-Alemany
- Department of Pharmacology and Therapeutic Chemistry, Institut de Neurociències-Universitat de Barcelona, 08028 Barcelona, Spain.
| | - Laura Marsal-García
- Department of Biochemistry, McGill University, Montréal, Québec, Canada.
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montréal, Québec, Canada.
| | - Raquel Larramona-Arcas
- Department of Cell Biology, Physiology, and Immunology, Celltec-UB, University of Barcelona, Barcelona, Spain, and Institute of Neurosciences, University of Barcelona, 08028 Barcelona, Spain.
| | - Lluisa Miró
- Departament de Bioquímica i Fisiologia, Facultat de Farmàcia i Ciències de l'Alimentació and Institut de Nutrició i Seguretat Alimentària, Universitat de Barcelona, 08028 Barcelona, Spain.
| | - Anna Perez-Bosque
- Departament de Bioquímica i Fisiologia, Facultat de Farmàcia i Ciències de l'Alimentació and Institut de Nutrició i Seguretat Alimentària, Universitat de Barcelona, 08028 Barcelona, Spain.
| | - Daniel Ortuño-Sahagún
- Laboratorio de Neuroinmunología Molecular, Instituto de Investigación de Ciencias Biomédicas (IICB) CUCS, Universidad de Guadalajara, Jalisco 44340, México.
| | | | - Bhanwar Singh Choudhary
- Department of Pharmacy, Central University of Rajasthan, Ajmer, Rajasthan, India.
- Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Mehsana, Gujarat, India.
| | - Francesc X Soriano
- Department of Cell Biology, Physiology, and Immunology, Celltec-UB, University of Barcelona, Barcelona, Spain, and Institute of Neurosciences, University of Barcelona, 08028 Barcelona, Spain.
| | - Coralie Poulard
- Cancer Research Cancer Lyon, Université de Lyon, F-69000 Lyon, France.
- Inserm U1052, Centre de Recherche en Cancérologie de Lyon, F-69000 Lyon, France.
- CNRS UMR5286, Centre de Recherche en Cancérlogie de Lyon, F-69000 Lyon, France.
| | - Mercè Pallàs
- Department of Pharmacology and Therapeutic Chemistry, Institut de Neurociències-Universitat de Barcelona, 08028 Barcelona, Spain.
- Centro de Investigación en Red, Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain.
| | - Hai-Ning Du
- Hubei Key Laboratory of Cell Homeostasis, Frontier Science Center for Immunology and Metabolism, RNA Institute, College of Life Sciences, Wuhan University, Wuhan 430072, China.
| | - Christian Griñán-Ferré
- Department of Pharmacology and Therapeutic Chemistry, Institut de Neurociències-Universitat de Barcelona, 08028 Barcelona, Spain.
- Centro de Investigación en Red, Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain.
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Seike T, Chen CH, Mochly-Rosen D. Impact of common ALDH2 inactivating mutation and alcohol consumption on Alzheimer's disease. Front Aging Neurosci 2023; 15:1223977. [PMID: 37693648 PMCID: PMC10483235 DOI: 10.3389/fnagi.2023.1223977] [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: 05/16/2023] [Accepted: 08/07/2023] [Indexed: 09/12/2023] Open
Abstract
Aldehyde dehydrogenase 2 (ALDH2) is an enzyme found in the mitochondrial matrix that plays a central role in alcohol and aldehyde metabolism. A common ALDH2 polymorphism in East Asians descent (called ALDH2*2 or E504K missense variant, SNP ID: rs671), present in approximately 8% of the world's population, has been associated with a variety of diseases. Recent meta-analyses support the relationship between this ALDH2 polymorphism and Alzheimer's disease (AD). And AD-like pathology observed in ALDH2-/- null mice and ALDH2*2 overexpressing transgenic mice indicate that ALDH2 deficiency plays an important role in the pathogenesis of AD. Recently, the worldwide increase in alcohol consumption has drawn attention to the relationship between heavy alcohol consumption and AD. Of potential clinical significance, chronic administration of alcohol in ALDH2*2/*2 knock-in mice exacerbates the pathogenesis of AD-like symptoms. Therefore, ALDH2 polymorphism and alcohol consumption likely play an important role in the onset and progression of AD. Here, we review the data on the relationship between ALDH2 polymorphism, alcohol, and AD, and summarize what is currently known about the role of the common ALDH2 inactivating mutation, ALDH2*2, and alcohol in the onset and progression of AD.
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Affiliation(s)
| | | | - Daria Mochly-Rosen
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
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4
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Taniguchi C, Watanabe T, Hirata M, Hatae A, Kubota K, Katsurabayashi S, Iwasaki K. Ninjinyoeito Prevents Onset of Depression-Like Behavior and Reduces Hippocampal iNOS Expression in Senescence-Accelerated Mouse Prone 8 Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2023; 2023:2151004. [PMID: 37593014 PMCID: PMC10432024 DOI: 10.1155/2023/2151004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 07/27/2023] [Accepted: 08/01/2023] [Indexed: 08/19/2023]
Abstract
Late-life depression is a globally prevalent disorder. Ninjinyoeito (NYT), a traditional Japanese herbal medicine, attenuates depressive symptoms in older patients. However, the mechanisms underlying the antidepressive effect of NYT are unknown. In this study, we investigated the mechanism of the action of NYT using senescence-accelerated mouse prone 8 (SAMP8) mice, which exhibit accelerated aging. SAMP8 mice were treated with NYT starting at 12 weeks of age. Twelve-week-old SAMP8 mice did not show prolonged immobility time in the tail suspension test compared with age-matched SAMR1 mice (normal aging control). At 34 weeks of age, vehicle-treated SAMP8 mice displayed prolonged immobility time compared with SAMR1 mice. NYT-treated SAMP8 mice showed a shorter immobility time than that of vehicle-treated SAMP8 mice. Notably, NYT decreased hippocampal inducible nitric oxide synthase (iNOS) expression in SAMP8 mice. There was no difference in iNOS expression between SAMR1 and vehicle-treated SAMP8 mice. Subchronic (5 days) administration of an iNOS inhibitor, 1400 W, shortened the immobility time in SAMP8 mice. These results suggest that NYT prevents an increase in immobility time of SAMP8 mice by decreasing iNOS levels in the hippocampus. Therefore, the antidepressive effect of NYT in older patients might be mediated, at least in part, by the downregulation of iNOS in the brain. Our data suggest that NYT is useful to prevent the onset of depression with aging.
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Affiliation(s)
- Chise Taniguchi
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Takuya Watanabe
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Marika Hirata
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Akinobu Hatae
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Kaori Kubota
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Shutaro Katsurabayashi
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Katsunori Iwasaki
- Department of Neuropharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
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Effects of Scrophularia buergeriana Extract (Brainon ®) on Aging-Induced Memory Impairment in SAMP8 Mice. Curr Issues Mol Biol 2023; 45:1287-1305. [PMID: 36826029 PMCID: PMC9955813 DOI: 10.3390/cimb45020084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/09/2023] Open
Abstract
Alzheimer's disease (AD) is a worldwide problem. Currently, there are no effective drugs for AD treatment. Scrophularia buergeriana Miquel (SB) is a traditional herbal medicine used in Korea to treat various diseases. Our previous studies have shown that ethanol extract of SB roots (SBE, Brainon®) exhibits potent anti-amnesic effects in Aβ1-42- or scopolamine-treated memory impairment mice model and neuroprotective effects in a glutamate-induced SH-SY5Y cell model. In this study, we evaluated the therapeutic effects of Brainon® and its mechanism of action in senescence-accelerated mouse prone 8 (SAMP8) mice. Brainon® (30 or 100 mg/kg/day) was orally treated to six-month-old SAMP8 mice for 12 weeks. Results revealed that Brainon® administration effectually ameliorated cognitive deficits in Y-maze and passive avoidance tests. Following the completion of behavioral testing, western blotting was performed using the cerebral cortex. Results revealed that Brainon® suppressed Aβ1-42 accumulation, Tau hyperphosphorylation, oxidative stress, and inflammation and alleviated apoptosis in SAMP8 mice. Brainon® also promoted synaptic function by downregulating the expression of AChE and upregulating the expression of p-CREB/CREB and BDNF. Furthermore, Brainon® restored SAMP8-reduced expression of ChAT and -dephosphorylated of ERK and also decreased AChE expression in the hippocampus. Furthermore, Brainon® alleviated AD progression by promoting mitophagy/autophagy to maintain normal cellular function as a novel finding of this study. Our data suggest that Brainon® can remarkably improve cognitive deficiency with the potential to be utilized in functional food for improving brain health.
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Proteomic Signature and mRNA Expression in Hippocampus of SAMP8 and SAMR1 Mice during Aging. Int J Mol Sci 2022; 23:ijms232315097. [PMID: 36499421 PMCID: PMC9740614 DOI: 10.3390/ijms232315097] [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: 11/03/2022] [Revised: 11/27/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022] Open
Abstract
Aging is a complex process often accompanied by cognitive decline that represents a risk factor for many neurodegenerative disorders including Alzheimer's and Parkinson's disease. The molecular mechanisms involved in age-related cognitive decline are not yet fully understood, although increased neuroinflammation is considered to play a significant role. In this study, we characterized a proteomic view of the hippocampus of the senescence-accelerated mouse prone-8 (SAMP8), a model of enhanced senescence, in comparison with the senescence-accelerated-resistant mouse (SAMR1), a model of normal aging. We additionally investigated inflammatory cytokines and cholinergic components gene expression during aging in the mouse brain tissues. Proteomic data defined the expression of key proteins involved in metabolic and cellular processes in neuronal and glial cells of the hippocampus. Gene Ontology revealed that most of the differentially expressed proteins are involved in the cytoskeleton and cell motility regulation. Molecular analysis results showed that both inflammatory cytokines and cholinergic components are differentially expressed during aging, with a downward trend of cholinergic receptors and esterase enzymes expression, in contrast to an upward trend of inflammatory cytokines in the hippocampus of SAMP8. Together, our results support the important role of the cholinergic and cytokine systems in the aging of the murine brain.
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7
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Optimized N-methyl-D-aspartate receptor antagonist exhibits hippocampal proneurogenic effects in aged senescence-accelerated mouse prone 8 mice. Neuroreport 2022; 33:623-628. [DOI: 10.1097/wnr.0000000000001825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Vasilopoulou F, Bellver-Sanchis A, Companys-Alemany J, Jarne-Ferrer J, Irisarri A, Palomera-Ávalos V, Gonzalez-Castillo C, Ortuño-Sahagún D, Sanfeliu C, Pallàs M, Griñán-Ferré C. Cognitive Decline and BPSD Are Concomitant with Autophagic and Synaptic Deficits Associated with G9a Alterations in Aged SAMP8 Mice. Cells 2022; 11:cells11162603. [PMID: 36010679 PMCID: PMC9406492 DOI: 10.3390/cells11162603] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/14/2022] [Accepted: 08/19/2022] [Indexed: 11/21/2022] Open
Abstract
Behavioural and psychological symptoms of dementia (BPSD) are presented in 95% of Alzheimer’s Disease (AD) patients and are also associated with neurotrophin deficits. The molecular mechanisms leading to age-related diseases are still unclear; however, emerging evidence has suggested that epigenetic modulation is a key pathophysiological basis of ageing and neurodegeneration. In particular, it has been suggested that G9a methyltransferase and its repressive histone mark (H3K9me2) are important in shaping learning and memory by modulating autophagic activity and synaptic plasticity. This work deepens our understanding of the epigenetic mechanisms underlying the loss of cognitive function and BPSD in AD. For this purpose, several tasks were performed to evaluate the parameters of sociability (three-chamber test), aggressiveness (resident intruder), anxiety (elevated plus maze and open field) and memory (novel object recognition test) in mice, followed by the evaluation of epigenetic, autophagy and synaptic plasticity markers at the molecular level. The behavioural alterations presented by senescence-accelerated mice prone 8 (SAMP8) of 12 months of age compared with their senescence-accelerated mouse resistant mice (SAMR1), the healthy control strain was accompanied by age-related cognitive deficits and alterations in epigenetic markers. Increased levels of G9a are concomitant to the dysregulation of the JNK pathway in aged SAMP8, driving a failure in autophagosome formation. Furthermore, lower expression of the genes involved in the memory-consolidation process modulated by ERK was observed in the aged male SAMP8 model, suggesting the implication of G9a. In any case, two of the most important neurotrophins, namely brain-derived neurotrophic factor (Bdnf) and neurotrophin-3 (NT3), were found to be reduced, along with a decrease in the levels of dendritic branching and spine density presented by SAMP8 mice. Thus, the present study characterizes and provides information regarding the non-cognitive and cognitive states, as well as molecular alterations, in aged SAMP8, demonstrating the AD-like symptoms presented by this model. In any case, our results indicate that higher levels of G9a are associated with autophagic deficits and alterations in synaptic plasticity, which could further explain the BPSD and cognitive decline exhibited by the model.
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Affiliation(s)
- Foteini Vasilopoulou
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain
| | - Aina Bellver-Sanchis
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain
| | - Júlia Companys-Alemany
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain
| | - Júlia Jarne-Ferrer
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain
| | - Alba Irisarri
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain
| | - Verónica Palomera-Ávalos
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain
| | | | - Daniel Ortuño-Sahagún
- Laboratorio de Neuroinmunología Molecular, Instituto de Investigación de Ciencias Biomédicas (IICB) CUCS, Universidad de Guadalajara, Guadalajara 44340, Mexico
| | - Coral Sanfeliu
- Institut d’Investigacions Biomèdiques de Barcelona (IIBB), CSIC and Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
| | - Mercè Pallàs
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain
| | - Christian Griñán-Ferré
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain
- Correspondence:
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9
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Neuroprotective Effects of Resveratrol by Modifying Cholesterol Metabolism and Aβ Processing in SAMP8 Mice. Int J Mol Sci 2022; 23:ijms23147580. [PMID: 35886936 PMCID: PMC9324102 DOI: 10.3390/ijms23147580] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/04/2022] [Accepted: 07/07/2022] [Indexed: 11/17/2022] Open
Abstract
Cholesterol metabolism seems dysregulated and linked to amyloid-β (Aβ) formation in neurodegeneration, but the underlying mechanisms are poorly known. Resveratrol (RSV) is a polyphenol with antioxidant activity and neuroprotective properties. Here, we analyzed the effect of age and RSV supplementation on cholesterol metabolism in the brain and blood serum, and its potential link to Aβ processing, in SAMP8 mice—an animal model of aging and Alzheimer’s disease. In the brain, our results revealed an age-related increase in ApoE and unesterified cholesterol in the plasma membrane whereas LDL receptor, HMG-CoA reductase, HMG-CoA-C1 synthase, and ABCA1 transporter remained unaltered. Furthermore, BACE-1 and APP gene expression was decreased. This dysregulation could be involved in the amyloidogenic processing pathway of APP towards Aβ formation. In turn, RSV exhibited an age-dependent effect. While levels of unesterified cholesterol in the plasma membrane were not affected by RSV, several participants in cholesterol uptake, release, and de novo synthesis differed, depending on age. Thus, RSV supplementation exhibited a different neuroprotective effect acting on Aβ processing or cholesterol metabolism in the brain at earlier or later ages, respectively. In blood serum, HDL lipoprotein and free cholesterol were increased by age, whereas VLDL and LDL lipoproteins remained unaltered. Again, the protective effect of RSV by decreasing the LDL or increasing the HDL levels also seems to depend on the intervention’s moment. In conclusion, age is a prominent factor for cholesterol metabolism dysregulation in the brain of SAMP8 mice and influences the protective effects of RSV through cholesterol metabolism and Aβ processing.
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10
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Codony S, Pont C, Griñán-Ferré C, Di Pede-Mattatelli A, Calvó-Tusell C, Feixas F, Osuna S, Jarné-Ferrer J, Naldi M, Bartolini M, Loza MI, Brea J, Pérez B, Bartra C, Sanfeliu C, Juárez-Jiménez J, Morisseau C, Hammock BD, Pallàs M, Vázquez S, Muñoz-Torrero D. Discovery and In Vivo Proof of Concept of a Highly Potent Dual Inhibitor of Soluble Epoxide Hydrolase and Acetylcholinesterase for the Treatment of Alzheimer's Disease. J Med Chem 2022; 65:4909-4925. [PMID: 35271276 PMCID: PMC8958510 DOI: 10.1021/acs.jmedchem.1c02150] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
With innumerable clinical failures of target-specific drug candidates for multifactorial diseases, such as Alzheimer's disease (AD), which remains inefficiently treated, the advent of multitarget drug discovery has brought a new breath of hope. Here, we disclose a class of 6-chlorotacrine (huprine)-TPPU hybrids as dual inhibitors of the enzymes soluble epoxide hydrolase (sEH) and acetylcholinesterase (AChE), a multitarget profile to provide cumulative effects against neuroinflammation and memory impairment. Computational studies confirmed the gorge-wide occupancy of both enzymes, from the main site to a secondary site, including a so far non-described AChE cryptic pocket. The lead compound displayed in vitro dual nanomolar potencies, adequate brain permeability, aqueous solubility, human microsomal stability, lack of neurotoxicity, and it rescued memory, synaptic plasticity, and neuroinflammation in an AD mouse model, after low dose chronic oral administration.
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Affiliation(s)
- Sandra Codony
- Laboratory
of Medicinal Chemistry (CSIC Associated Unit), Faculty of Pharmacy
and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain
| | - Caterina Pont
- Laboratory
of Medicinal Chemistry (CSIC Associated Unit), Faculty of Pharmacy
and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain
| | - Christian Griñán-Ferré
- Pharmacology
Section, Department of Pharmacology, Toxicology and Therapeutic Chemistry,
Faculty of Pharmacy and Food Sciences, and Institute of Neurosciences, University of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain
| | - Ania Di Pede-Mattatelli
- Department
of Pharmacy and Pharmaceutical Technology and Physical Chemistry,
Faculty of Pharmacy and Food Sciences, and Institute of Theoretical
and Computational Chemistry (IQTCUB), University
of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain
| | - Carla Calvó-Tusell
- CompBioLab
Group, Departament de Química and Institut de Química
Computacional i Catàlisi (IQCC), Universitat de Girona, C/ Maria Aurèlia Capmany 69, E-17003 Girona, Spain
| | - Ferran Feixas
- CompBioLab
Group, Departament de Química and Institut de Química
Computacional i Catàlisi (IQCC), Universitat de Girona, C/ Maria Aurèlia Capmany 69, E-17003 Girona, Spain
| | - Sílvia Osuna
- CompBioLab
Group, Departament de Química and Institut de Química
Computacional i Catàlisi (IQCC), Universitat de Girona, C/ Maria Aurèlia Capmany 69, E-17003 Girona, Spain,Institució
Catalana de Recerca i Estudis Avançats (ICREA), E-08010 Barcelona, Spain
| | - Júlia Jarné-Ferrer
- Pharmacology
Section, Department of Pharmacology, Toxicology and Therapeutic Chemistry,
Faculty of Pharmacy and Food Sciences, and Institute of Neurosciences, University of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain
| | - Marina Naldi
- Department
of Pharmacy and Biotechnology, University
of Bologna, Via Belmeloro, 6, I-40126 Bologna, Italy
| | - Manuela Bartolini
- Department
of Pharmacy and Biotechnology, University
of Bologna, Via Belmeloro, 6, I-40126 Bologna, Italy
| | - María Isabel Loza
- BioFarma
Research Group, Centro Singular de Investigación en Medicina
Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Av. de Barcelona s/n, E-15782 Santiago de Compostela, Spain
| | - José Brea
- BioFarma
Research Group, Centro Singular de Investigación en Medicina
Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Av. de Barcelona s/n, E-15782 Santiago de Compostela, Spain
| | - Belén Pérez
- Department
of Pharmacology, Therapeutics and Toxicology, Autonomous University of Barcelona, E-08193 Bellaterra, Spain
| | - Clara Bartra
- Institute
of Biomedical Research of Barcelona, CSIC and Institut d’Investigacions
Biomèdiques August Pi i Sunyer (IDIBAPS), Rosselló, 149, E-08036 Barcelona, Spain
| | - Coral Sanfeliu
- Institute
of Biomedical Research of Barcelona, CSIC and Institut d’Investigacions
Biomèdiques August Pi i Sunyer (IDIBAPS), Rosselló, 149, E-08036 Barcelona, Spain
| | - Jordi Juárez-Jiménez
- Department
of Pharmacy and Pharmaceutical Technology and Physical Chemistry,
Faculty of Pharmacy and Food Sciences, and Institute of Theoretical
and Computational Chemistry (IQTCUB), University
of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain
| | - Christophe Morisseau
- Department
of Entomology and Nematology and Comprehensive Cancer Center, University of California, One Shields Avenue, Davis, California 95616, United States
| | - Bruce D. Hammock
- Department
of Entomology and Nematology and Comprehensive Cancer Center, University of California, One Shields Avenue, Davis, California 95616, United States
| | - Mercè Pallàs
- Pharmacology
Section, Department of Pharmacology, Toxicology and Therapeutic Chemistry,
Faculty of Pharmacy and Food Sciences, and Institute of Neurosciences, University of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain
| | - Santiago Vázquez
- Laboratory
of Medicinal Chemistry (CSIC Associated Unit), Faculty of Pharmacy
and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain,. Phone: (+34) 934024533
| | - Diego Muñoz-Torrero
- Laboratory
of Medicinal Chemistry (CSIC Associated Unit), Faculty of Pharmacy
and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona (UB), Av. Joan XXIII 27-31, E-08028 Barcelona, Spain,. Phone: (+34) 934024533
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11
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From virtual screening hits targeting a cryptic pocket in BACE-1 to a nontoxic brain permeable multitarget anti-Alzheimer lead with disease-modifying and cognition-enhancing effects. Eur J Med Chem 2021; 225:113779. [PMID: 34418785 DOI: 10.1016/j.ejmech.2021.113779] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/03/2021] [Accepted: 08/13/2021] [Indexed: 12/22/2022]
Abstract
Starting from six potential hits identified in a virtual screening campaign directed to a cryptic pocket of BACE-1, at the edge of the catalytic cleft, we have synthesized and evaluated six hybrid compounds, designed to simultaneously reach BACE-1 secondary and catalytic sites and to exert additional activities of interest for Alzheimer's disease (AD). We have identified a lead compound with potent in vitro activity towards human BACE-1 and cholinesterases, moderate Aβ42 and tau antiaggregating activity, and brain permeability, which is nontoxic in neuronal cells and zebrafish embryos at concentrations above those required for the in vitro activities. This compound completely restored short- and long-term memory in a mouse model of AD (SAMP8) relative to healthy control strain SAMR1, shifted APP processing towards the non-amyloidogenic pathway, reduced tau phosphorylation, and increased the levels of synaptic proteins PSD95 and synaptophysin, thereby emerging as a promising disease-modifying, cognition-enhancing anti-AD lead.
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12
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Sasaki K, Geribaldi-Doldan N, Szele FG, Isoda H. Grape skin extract modulates neuronal stem cell proliferation and improves spatial learning in senescence-accelerated prone 8 mice. Aging (Albany NY) 2021; 13:18131-18149. [PMID: 34319910 PMCID: PMC8351719 DOI: 10.18632/aging.203373] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 07/15/2021] [Indexed: 11/25/2022]
Abstract
In recent years, the number of patients with neurodegenerative illness such as Alzheimer’s disease (AD) has increased with the aging of the population. In this study, we evaluated the effect of Grape skin extract (GSE) on neurotypic SH-SY5Y cells as an in vitro AD model, murine neurospheres as an ex vivo neurogenesis model and SAMP8 mice as an in vivo AD model. Our in vitro result showed that pre-treatment of SH-SY5Y cells with GSE ameliorated Aβ-induced cytotoxicity. Moreover, GSE treatment significantly decreased the number of neurospheres, but increased their size suggesting reduced stem cell self-renewal but increased proliferation. Our in vivo Morris water maze test indicated that GSE improves learning and memory in SAMP8 mice. To detect proliferation and newborn neurons, we measured BrdU+ cells in the dentate gyrus (DG). GSE treatment increased the number of BrdU+ cells in the DG of SAMP8 mice. Finally, we showed that GSE induced a decrease in inflammatory cytokines and an increase in neurotransmitters in the cerebral cortex of SAMP8 mice. These results suggested that GSE increased neurogenic zone proliferation and memory but decreased oxidative stress associated with pro-inflammatory cytokines in aging, thus protecting neurons.
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Affiliation(s)
- Kazunori Sasaki
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan.,Open Innovation Laboratory for Food and Medicinal Resource Engineering, National Institute of Advanced Industrial Science and Technology (AIST) and University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
| | - Noelia Geribaldi-Doldan
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan.,Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3QX, UK
| | - Francis G Szele
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3QX, UK
| | - Hiroko Isoda
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan.,Open Innovation Laboratory for Food and Medicinal Resource Engineering, National Institute of Advanced Industrial Science and Technology (AIST) and University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan.,Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
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13
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Synergistic Neuroprotective Effects of a Natural Product Mixture against AD Hallmarks and Cognitive Decline in Caenorhabditis elegans and an SAMP8 Mice Model. Nutrients 2021; 13:nu13072411. [PMID: 34371921 PMCID: PMC8308558 DOI: 10.3390/nu13072411] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 12/22/2022] Open
Abstract
The study of different natural products can provide a wealth of bioactive compounds, and more interestingly, their combination can exert a new strategy for several neurodegenerative diseases with major public health importance, such as Alzheimer’s disease (AD). Here, we investigated the synergistic neuroprotective effects of a mixed extract composed of docosahexaenoic acid, Ginkgo biloba, D-pinitol, and ursolic acid in several transgenic Caenorhabditis elegans (C. elegans) and a senescence-accelerated prone mice 8 (SAMP8) model. First, we found a significantly higher survival percentage in the C. elegans group treated with the natural product mixture compared to the single extract-treated groups. Likewise, we found a significantly increased lifespan in group of C. elegans treated with the natural product mixture compared to the other groups, suggesting synergistic effects. Remarkably, we determined a significant reduction in Aβ plaque accumulation in the group of C. elegans treated with the natural product mixture compared to the other groups, confirming synergy. Finally, we demonstrated better cognitive performance in the group treated with the natural product mixture in both AD models (neuronal Aβ C. elegans strain CL2355 and the SAMP8 mice model), confirming the molecular results and unraveling the synergist effects of this combination. Therefore, our results proved the potential of this new natural product mixture for AD therapeutic strategies.
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14
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Rosell-Cardona C, Griñan-Ferré C, Pérez-Bosque A, Polo J, Pallàs M, Amat C, Moretó M, Miró L. Dietary Spray-Dried Porcine Plasma Reduces Neuropathological Alzheimer's Disease Hallmarks in SAMP8 Mice. Nutrients 2021; 13:2369. [PMID: 34371878 PMCID: PMC8308893 DOI: 10.3390/nu13072369] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/04/2021] [Accepted: 07/08/2021] [Indexed: 12/12/2022] Open
Abstract
Alzheimer's disease (AD) is characterized by the aberrant processing of amyloid precursor protein (APP) and the accumulation of hyperphosphorylated tau, both of which are accompanied by neuroinflammation. Dietary supplementation with spray-dried porcine plasma (SDP) has anti-inflammatory effects in inflammation models. We investigated whether dietary supplementation with SDP prevents the neuropathological features of AD. The experiments were performed in 2- and 6-month-old SAMP8 mice fed a control diet, or a diet supplemented with 8% SDP, for 4 months. AD brain molecular markers were determined by Western blot and real-time PCR. Senescent mice showed reduced levels of p-GSK3β (Ser9) and an increase in p-CDK5, p-tau (Ser396), sAPPβ, and the concentration of Aβ40, (all p < 0.05). SDP prevented these effects of aging and reduced Bace1 levels (all p < 0.05). Senescence increased the expression of Mme1 and Ide1 and pro-inflammatory cytokines (Il-17 and Il-18; all p < 0.05); these changes were prevented by SDP supplementation. Moreover, SDP increased Tgf-β expression (p < 0.05). Furthermore, in aged mice, the gene expression levels of the microglial activation markers Trem2, Ym1, and Arg1 were increased, and SDP prevented these increases (all p < 0.05). Thus, dietary SDP might delay AD onset by reducing its hallmarks in senescent mice.
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Affiliation(s)
- Cristina Rosell-Cardona
- Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Sciences, Institute for Nutrition and Food Safety, Universitat de Barcelona (UB), 08028 Barcelona, Spain; (C.R.-C.); (A.P.-B.); (C.A.); (M.M.)
| | - Christian Griñan-Ferré
- Department of Pharmacology, Toxicology, and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neurosciences, CIBERNED, Universitat de Barcelona (UB), 08028 Barcelona, Spain; (C.G.-F.); (M.P.)
| | - Anna Pérez-Bosque
- Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Sciences, Institute for Nutrition and Food Safety, Universitat de Barcelona (UB), 08028 Barcelona, Spain; (C.R.-C.); (A.P.-B.); (C.A.); (M.M.)
| | | | - Mercè Pallàs
- Department of Pharmacology, Toxicology, and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neurosciences, CIBERNED, Universitat de Barcelona (UB), 08028 Barcelona, Spain; (C.G.-F.); (M.P.)
| | - Concepció Amat
- Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Sciences, Institute for Nutrition and Food Safety, Universitat de Barcelona (UB), 08028 Barcelona, Spain; (C.R.-C.); (A.P.-B.); (C.A.); (M.M.)
| | - Miquel Moretó
- Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Sciences, Institute for Nutrition and Food Safety, Universitat de Barcelona (UB), 08028 Barcelona, Spain; (C.R.-C.); (A.P.-B.); (C.A.); (M.M.)
| | - Lluïsa Miró
- Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Sciences, Institute for Nutrition and Food Safety, Universitat de Barcelona (UB), 08028 Barcelona, Spain; (C.R.-C.); (A.P.-B.); (C.A.); (M.M.)
- APC Europe S.L.U., 08403 Granollers, Spain;
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15
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Hackett MJ, Hollings AL, Lam V, Takechi R, Mamo JCL, de Jonge MD, Paterson D, Okuyama S. [Mapping the Metallo-maze to Memory Loss: Does Neuronal Metal Ion Deficiency Contribute to Dementia?]. YAKUGAKU ZASSHI 2021; 141:835-842. [PMID: 34078791 DOI: 10.1248/yakushi.20-00251-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Dementia has no cure and is an international health crisis. In addition to the immeasurable loss of QOL caused by dementia, the global economic cost is predicted to reach $2 trillion (USD) by 2030. Although much remains unknown about the biochemical pathways driving cognitive decline and memory loss during dementia, metals have been implicated in neurodegenerative disease. For example, total levels of Fe and Cu increase, which has been proposed to drive oxidative stress; and Fe, Cu, and Zn can bind amyloid-β, catalysing aggregation and formation of amyloid plaques. Unfortunately, despite these known facets through which metal ions may induce pathology, studies in greater detail have been hampered by a lack of microscopy methods to directly visualise metal ions, and their chemical form, within brain cells. Herein we report the use of synchrotron X-ray fluorescence microscopy to simultaneously image Fe, Cu, and Zn within neurons in ex vivo brain tissue sections. Using animal models of dementia, we now demonstrate for the first time that despite global increases in brain metal content and metal ion accumulation within amyloid plaques, key brain regions may also become metal ion deficient. Such deficiency could contribute to cognitive decline because of the essential roles metal ions play in neurotransmitter synthesis and energy metabolism. These recent findings are discussed in the context of memory loss, and the impact that metal ion dis-homeostasis may have on diagnostic and therapeutic development.
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Affiliation(s)
- Mark J Hackett
- School of Molecular and Life Sciences, Curtin University.,Curtin Health Innovation Research Institute, Curtin University.,Curtin Institute of Functional Molecules and Interfaces, Curtin University
| | - Ashley L Hollings
- School of Molecular and Life Sciences, Curtin University.,Curtin Health Innovation Research Institute, Curtin University.,Curtin Institute of Functional Molecules and Interfaces, Curtin University
| | - Virginie Lam
- Curtin Health Innovation Research Institute, Curtin University
| | - Ryusuke Takechi
- Curtin Health Innovation Research Institute, Curtin University
| | - John C L Mamo
- Curtin Health Innovation Research Institute, Curtin University
| | | | | | - Satoshi Okuyama
- Department of Pharmaceutical Pharmacology, College of Pharmaceutical Sciences, Matsuyama University
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16
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Vasilopoulou F, Rodríguez-Arévalo S, Bagán A, Escolano C, Griñán-Ferré C, Pallàs M. Disease-modifying treatment with I 2 imidazoline receptor ligand LSL60101 in an Alzheimer's disease mouse model: a comparative study with donepezil. Br J Pharmacol 2021; 178:3017-3033. [PMID: 33817786 DOI: 10.1111/bph.15478] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/28/2021] [Accepted: 03/29/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND AND PURPOSE The development of effective therapeutic strategies against Alzheimer's disease (AD) remains a challenge. I2 imidazoline receptor ligands have a neuroprotective role in AD. Moreover, co-treatment of AChE inhibitors with neuroprotective agents have shown better effects on the prevention of dementia. Here, we assessed the potential therapeutic effect of the I2 ligand, donepezil and their combination in 5XFAD mice. EXPERIMENTAL APPROACH 5XFAD female mice were treated with low doses (1 mg·kg-1 ·day-1 ) of LSL60101, donepezil and donepezil plus LSL60101, during 4 weeks per os. Novel object recognition, Morris water maze, open field, elevated plus maze and three-chamber tests were used to evaluate the cognitive and behavioural status after treatment. The effects on AD-like pathology were assessed with immunohistochemistry, western blot, ELISA and qPCR. KEY RESULTS Chronic low-dose treatment with LSL60101 and donepezil reversed cognitive deficits and impaired social behaviour. LSL60101 treatment did not affect anxiety-like behaviour in contrast to donepezil. In the 5XFAD brains, LSL60101 and donepezil/LSL60101 treatments attenuated amyloid-β pathology by decreasing amyloid-β40 and amyloid-β42 levels, amyloid-β plaque number and tau hyperphosphorylation. These alterations were accompanied by reduced microglia marker Iba-1 levels and increased Trem2 gene expression. LSL60101 and donepezil decreased glial fibrillary acidic protein (GFAP) astrocytic marker reactivity. However, only LSL60101 and donepezil/LSL60101 treatments significantly increased the synaptic marker levels of post-synaptic density protein 95 and synaptophysin. CONCLUSION AND IMPLICATIONS Chronic low-dose treatment with selective I2 - ligands can be an effective treatment for AD and provide insights into combination treatments for symptomatic and disease-modifying drugs.
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Affiliation(s)
- Foteini Vasilopoulou
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Barcelona, Spain
| | - Sergio Rodríguez-Arévalo
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Barcelona, Spain
| | - Andrea Bagán
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Barcelona, Spain
| | - Carmen Escolano
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Barcelona, Spain
| | - Christian Griñán-Ferré
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Barcelona, Spain
| | - Mercè Pallàs
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Barcelona, Spain
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17
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Fernández A, Quintana E, Velasco P, Moreno-Jimenez B, de Andrés B, Gaspar ML, Liste I, Vilar M, Mira H, Cano E. Senescent accelerated prone 8 (SAMP8) mice as a model of age dependent neuroinflammation. J Neuroinflammation 2021; 18:75. [PMID: 33736657 PMCID: PMC7977588 DOI: 10.1186/s12974-021-02104-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 02/03/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Aging and age-related diseases are strong risk factors for the development of neurodegenerative diseases. Neuroinflammation (NIF), as the brain's immune response, plays an important role in aged associated degeneration of central nervous system (CNS). There is a need for well characterized animal models that will allow the scientific community to understand and modulate this process. METHODS We have analyzed aging-phenotypical and inflammatory changes of brain myeloid cells (bMyC) in a senescent accelerated prone aged (SAMP8) mouse model, and compared with their senescence resistant control mice (SAMR1). We have performed morphometric methods to evaluate the architecture of cellular prolongations and determined the appearance of Iba1+ clustered cells with aging. To analyze specific constant brain areas, we have performed stereology measurements of Iba1+ cells in the hippocampal formation. We have isolated bMyC from brain parenchyma (BP) and choroid plexus plus meningeal membranes (m/Ch), and analyzed their response to systemic lipopolysaccharide (LPS)-driven inflammation. RESULTS Aged 10 months old SAMP8 mice present many of the hallmarks of aging-dependent neuroinflammation when compared with their SAMR1 control, i.e., increase of protein aggregates, presence of Iba1+ clusters, but not an increase in the number of Iba1+ cells. We have further observed an increase of main inflammatory mediator IL-1β, and an augment of border MHCII+Iba1+ cells. Isolated CD45+ bMyC from brain parenchyma (BP) and choroid plexus plus meningeal membranes (m/Ch) have been analyzed, showing that there is not a significant increase of CD45+ cells from the periphery. Our data support that aged-driven pro-inflammatory cytokine interleukin 1 beta (IL-1β) transcription is enhanced in CD45+BP cells. Furthermore, LPS-driven systemic inflammation produces inflammatory cytokines mainly in border bMyC, sensed to a lesser extent by the BP bMyC, showing that IL-1β expression is further augmented in aged SAMP8 compared to control SAMR1. CONCLUSION Our data validate the SAMP8 model to study age-associated neuroinflammatory events, but careful controls for age and strain are required. These animals show morphological changes in their bMyC cell repertoires associated to age, corresponding to an increase in the production of pro-inflammatory cytokines such as IL-1β, which predispose the brain to an enhanced inflammatory response after LPS-systemic challenge.
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Affiliation(s)
- Andrés Fernández
- Chronic Disease Programme, Neuroinflammation Unit, Instituto de Salud Carlos III, Carretera Majadahonda-Pozuelo, Km.2,2, Majadahonda, 28220, Madrid, Spain
| | - Elena Quintana
- Chronic Disease Programme, Neuroinflammation Unit, Instituto de Salud Carlos III, Carretera Majadahonda-Pozuelo, Km.2,2, Majadahonda, 28220, Madrid, Spain
| | - Patricia Velasco
- Chronic Disease Programme, Neuroinflammation Unit, Instituto de Salud Carlos III, Carretera Majadahonda-Pozuelo, Km.2,2, Majadahonda, 28220, Madrid, Spain
| | - Belén Moreno-Jimenez
- Chronic Disease Programme, Neuroinflammation Unit, Instituto de Salud Carlos III, Carretera Majadahonda-Pozuelo, Km.2,2, Majadahonda, 28220, Madrid, Spain
| | - Belén de Andrés
- Unidad de Inmunobiología, Instituto de Salud Carlos II, Madrid, Spain
| | | | - Isabel Liste
- Chronic Disease Programme, Neuroinflammation Unit, Instituto de Salud Carlos III, Carretera Majadahonda-Pozuelo, Km.2,2, Majadahonda, 28220, Madrid, Spain
| | - Marçal Vilar
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - Helena Mira
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - Eva Cano
- Chronic Disease Programme, Neuroinflammation Unit, Instituto de Salud Carlos III, Carretera Majadahonda-Pozuelo, Km.2,2, Majadahonda, 28220, Madrid, Spain.
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18
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Izquierdo V, Palomera-Ávalos V, Pallàs M, Griñán-Ferré C. Resveratrol Supplementation Attenuates Cognitive and Molecular Alterations under Maternal High-Fat Diet Intake: Epigenetic Inheritance over Generations. Int J Mol Sci 2021; 22:1453. [PMID: 33535619 PMCID: PMC7867164 DOI: 10.3390/ijms22031453] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/20/2021] [Accepted: 01/27/2021] [Indexed: 02/07/2023] Open
Abstract
Environmental factors such as maternal high-fat diet (HFD) intake can increase the risk of age-related cognitive decline in adult offspring. Epigenetic mechanisms are a possible link between diet effect and neurodegeneration across generations. Here, we found a significant decrease in triglyceride levels in a high-fat diet with resveratrol (RSV) HFD + RSV group and the offspring. Firstly, we obtained better cognitive performance in HFD+RSV groups and their offspring. Molecularly, a significant increase in DNA methylation (5-mC) levels, as well as increased gene expression of DNA methyltransferase 1 (Dnmt1) and Dnmt3a in HFD + RSV F1 group, were found. Furthermore, a significant increase of N6-Methyladenosine methylation (m6A) levels in HFD+RSV F1, as well as changes in gene expression of its enzymes Methyltransferase like 3 (Mettl3) and FTO alpha-ketoglutarate dependent dioxygenase (Fto) were found. Moreover, we found a decrease in gene expression levels of pro-inflammatory markers such as Interleukin 1β (Il1-β), Interleukin 6 (Il-6), Tumor necrosis factor-α (Tnf-α), C-X-C motif chemokine ligand 10 (Cxcl-10), the pro-inflammatory factors monocyte chemoattractant protein 1 (Mcp-1) and Tumor growth factor-β1 (Tgf-β1) in HFD+RSV and HFD+RSV F1 groups. Moreover, there was increased gene expression of neurotrophins such as Neural growth factor (Ngf), Neurotrophin-3 (Nt3), and its receptors Tropomyosin receptor kinase TrkA and TrkB. Likewise, an increase in protein levels of brain-derived neurotrophic factor (BDNF) and phospho-protein kinase B (p-Akt) in HFD+RSV F1 was found. These results suggest that maternal RSV supplementation under HFD intake prevents cognitive decline in senescence-accelerated mice prone 8 (SAMP8) adult offspring, promoting a reduction in triglycerides and leptin plasma levels, changes in the pro-inflammatory profile, and restoring the epigenetic landscape as well as synaptic plasticity.
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Affiliation(s)
- Vanesa Izquierdo
- Department of Pharmacology and Therapeutic Chemistry, Institut de Neurociències—Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain; (V.I.); (M.P.)
| | - Verónica Palomera-Ávalos
- Department of Cellular and Molecular Biology, University Center of Biological and Agricultural Sciences, University of Guadalajara, km 15.5 Guadalajara-Nogales highway, 45110 Zapopan, Jalisco, Mexico;
| | - Mercè Pallàs
- Department of Pharmacology and Therapeutic Chemistry, Institut de Neurociències—Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain; (V.I.); (M.P.)
| | - Christian Griñán-Ferré
- Department of Pharmacology and Therapeutic Chemistry, Institut de Neurociències—Universitat de Barcelona, Avda. Joan XXIII, 27, 08028 Barcelona, Spain; (V.I.); (M.P.)
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19
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Tsumagari R, Maruo K, Nakao T, Ueda S, Yamanoue M, Shirai Y. Motor Dyscoordination and Alteration of Functional Correlation Between DGKγ and PKCγ in Senescence-Accelerated Mouse Prone 8 (SAMP8). Front Aging Neurosci 2021; 13:573966. [PMID: 33584249 PMCID: PMC7876064 DOI: 10.3389/fnagi.2021.573966] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 01/11/2021] [Indexed: 11/13/2022] Open
Abstract
Senescence-accelerated mouse prone 8 (SAMP8) is an animal model of age-related central nervous system (CNS) disorders. Although SAMP8 shows deficits in learning, memory, and emotion, its motor coordination has not been clarified. We have recently reported that DGKγ-regulated PKCγ activity is important for cerebellar motor coordination. However, involvement of the functional correlation between the kinases in age-related motor dyscoordination still remains unknown. Therefore, we have investigated the motor coordination in SAMP8 and involvement of the functional correlation between DGKγ and PKCγ in the age-related motor dyscoordination. Although 6 weeks old SAMP8 showed equivalent motor coordination with control mice (SAMR1) in the rotarod test, 24 weeks old SAMP8 exhibited significantly less latency in the rotarod test and more frequent slips in the beam test compared to the age-matched SAMR1. Furthermore, 24 weeks old SAMP8 showed the higher locomotor activity in open field test and Y-maze test. Western blotting revealed that DGKγ expression decreased in the cerebellum of 24 weeks old SAMP8, while PKCγ was upregulated. These results suggest that SAMP8 is a useful model of age-related motor dysfunction and that the DGKγ-regulated PKCγ activity is involved in the age-related motor dyscoordination.
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Affiliation(s)
- Ryosuke Tsumagari
- Department of Applied Chemistry in Bioscience, Graduate School of Agricultural Sciences, Kobe University, Kobe, Japan
| | - Kenta Maruo
- Department of Applied Chemistry in Bioscience, Graduate School of Agricultural Sciences, Kobe University, Kobe, Japan
| | - Takaaki Nakao
- Department of Applied Chemistry in Bioscience, Graduate School of Agricultural Sciences, Kobe University, Kobe, Japan
| | - Shuji Ueda
- Department of Applied Chemistry in Bioscience, Graduate School of Agricultural Sciences, Kobe University, Kobe, Japan
| | - Minoru Yamanoue
- Department of Applied Chemistry in Bioscience, Graduate School of Agricultural Sciences, Kobe University, Kobe, Japan
| | - Yasuhito Shirai
- Department of Applied Chemistry in Bioscience, Graduate School of Agricultural Sciences, Kobe University, Kobe, Japan
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20
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Molina-Martínez P, Corpas R, García-Lara E, Cosín-Tomás M, Cristòfol R, Kaliman P, Solà C, Molinuevo JL, Sánchez-Valle R, Antonell A, Lladó A, Sanfeliu C. Microglial Hyperreactivity Evolved to Immunosuppression in the Hippocampus of a Mouse Model of Accelerated Aging and Alzheimer's Disease Traits. Front Aging Neurosci 2021; 12:622360. [PMID: 33584248 PMCID: PMC7875867 DOI: 10.3389/fnagi.2020.622360] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 12/31/2020] [Indexed: 12/13/2022] Open
Abstract
Neuroinflammation is a risk factor for Alzheimer's disease (AD). We sought to study the glial derangement in AD using diverse experimental models and human brain tissue. Besides classical pro-inflammatory cytokines, we analyzed chitinase 3 like 1 (CHI3L1 or YKL40) and triggering receptor expressed on myeloid cells 2 (TREM2) that are increasingly being associated with astrogliosis and microgliosis in AD, respectively. The SAMP8 mouse model of accelerated aging and AD traits showed elevated pro-inflammatory cytokines and activated microglia phenotype. Furthermore, 6-month-old SAMP8 showed an exacerbated inflammatory response to peripheral lipopolysaccharide in the hippocampus and null responsiveness at the advanced age (for this strain) of 12 months. Gene expression of TREM2 was increased in the hippocampus of transgenic 5XFAD mice and in the cingulate cortex of autosomal dominant AD patients, and to a lesser extent in aged SAMP8 mice and sporadic early-onset AD patients. However, gene expression of CHI3L1 was increased in mice but not in human AD brain samples. The results support the relevance of microglia activation in the pathways leading to neurodegeneration and suggest diverse neuroinflammatory responses according to the AD process. Therefore, the SAMP8 mouse model with marked alterations in the dynamics of microglia activation and senescence may provide a complementary approach to transgenic mouse models for the study of the neuroinflammatory mechanisms underlying AD risk and progression.
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Affiliation(s)
- Patricia Molina-Martínez
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
| | - Rubén Corpas
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain.,Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Elisa García-Lara
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain.,Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Marta Cosín-Tomás
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
| | - Rosa Cristòfol
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
| | - Perla Kaliman
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain.,Faculty of Health Sciences, Universitat Oberta de Catalunya, Barcelona, Spain
| | - Carme Solà
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain.,Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - José Luis Molinuevo
- Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Alzheimer's Disease and Other Cognitive Disorders Unit, Department of Neurology, Hospital Clínic, Barcelona, Spain.,Fundació Clínic per a la Recerca Biomèdica, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - Raquel Sánchez-Valle
- Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Alzheimer's Disease and Other Cognitive Disorders Unit, Department of Neurology, Hospital Clínic, Barcelona, Spain.,Fundació Clínic per a la Recerca Biomèdica, Universitat de Barcelona, Barcelona, Spain
| | - Anna Antonell
- Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Alzheimer's Disease and Other Cognitive Disorders Unit, Department of Neurology, Hospital Clínic, Barcelona, Spain.,Fundació Clínic per a la Recerca Biomèdica, Universitat de Barcelona, Barcelona, Spain
| | - Albert Lladó
- Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Alzheimer's Disease and Other Cognitive Disorders Unit, Department of Neurology, Hospital Clínic, Barcelona, Spain.,Fundació Clínic per a la Recerca Biomèdica, Universitat de Barcelona, Barcelona, Spain
| | - Coral Sanfeliu
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain.,Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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21
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Sun CP, Zhang XY, Morisseau C, Hwang SH, Zhang ZJ, Hammock BD, Ma XC. Discovery of Soluble Epoxide Hydrolase Inhibitors from Chemical Synthesis and Natural Products. J Med Chem 2020; 64:184-215. [PMID: 33369424 DOI: 10.1021/acs.jmedchem.0c01507] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Soluble epoxide hydrolase (sEH) is an α/β hydrolase fold protein and widely distributed in numerous organs including the liver, kidney, and brain. The inhibition of sEH can effectively maintain endogenous epoxyeicosatrienoic acids (EETs) levels and reduce dihydroxyeicosatrienoic acids (DHETs) levels, resulting in therapeutic potentials for cardiovascular, central nervous system, and metabolic diseases. Therefore, since the beginning of this century, the development of sEH inhibitors is a hot research topic. A variety of potent sEH inhibitors have been developed by chemical synthesis or isolated from natural sources. In this review, we mainly summarized the interconnected aspects of sEH with cardiovascular, central nervous system, and metabolic diseases and then focus on representative inhibitors, which would provide some useful guidance for the future development of potential sEH inhibitors.
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Affiliation(s)
- Cheng-Peng Sun
- Dalian Key Laboratory of Metabolic Target Characterization and Traditional Chinese Medicine Intervention, College (Institute) of Integrative Medicine, College of Pharmacy, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Xin-Yue Zhang
- Dalian Key Laboratory of Metabolic Target Characterization and Traditional Chinese Medicine Intervention, College (Institute) of Integrative Medicine, College of Pharmacy, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Christophe Morisseau
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, California 95616, United States
| | - Sung Hee Hwang
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, California 95616, United States
| | - Zhan-Jun Zhang
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Bruce D Hammock
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, California 95616, United States
| | - Xiao-Chi Ma
- Dalian Key Laboratory of Metabolic Target Characterization and Traditional Chinese Medicine Intervention, College (Institute) of Integrative Medicine, College of Pharmacy, Dalian Medical University, Dalian 116044, People's Republic of China.,College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou 311121, People's Republic of China
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22
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Vasilopoulou F, Griñán-Ferré C, Rodríguez-Arévalo S, Bagán A, Abás S, Escolano C, Pallàs M. I 2 imidazoline receptor modulation protects aged SAMP8 mice against cognitive decline by suppressing the calcineurin pathway. GeroScience 2020; 43:965-983. [PMID: 33128688 PMCID: PMC8110656 DOI: 10.1007/s11357-020-00281-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 09/28/2020] [Indexed: 12/26/2022] Open
Abstract
Brain aging and dementia are current problems that must be solved. The levels of imidazoline 2 receptors (I2-IRs) are increased in the brain in Alzheimer's disease (AD) and other neurodegenerative diseases. We tested the action of the specific and selective I2-IR ligand B06 in a mouse model of accelerated aging and AD, the senescence-accelerated mouse prone 8 (SAMP8) model. Oral administration of B06 for 4 weeks improved SAMP8 mouse behavior and cognition and reduced AD hallmarks, oxidative stress, and apoptotic and neuroinflammation markers. Likewise, B06 regulated glial excitatory amino acid transporter 2 and N-methyl-D aspartate 2A and 2B receptor subunit protein levels. Calcineurin (CaN) is a phosphatase that controls the phosphorylation levels of cAMP response element-binding (CREB), apoptotic mediator BCL-2-associated agonist of cell death (BAD) and GSK3β, among other molecules. Interestingly, B06 was able to reduce the levels of the CaN active form (CaN A). Likewise, CREB phosphorylation, BAD gene expression, and other factors were modified after B06 treatment. Moreover, phosphorylation of a target of CaN, nuclear factor of activated T-cells, cytoplasmic 1 (NFATC1), was increased in B06-treated mice, impeding the transcription of genes related to neuroinflammation and neural plasticity. In summary, this I2 imidazoline ligand can exert its beneficial effects on age-related conditions by modulating CaN pathway action and affecting several molecular pathways, playing a neuroprotective role in SAMP8 mice.
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Affiliation(s)
- Foteini Vasilopoulou
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Neurociencies, University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Christian Griñán-Ferré
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Neurociencies, University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Sergio Rodríguez-Arévalo
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Andrea Bagán
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Sònia Abás
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Carmen Escolano
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Mercè Pallàs
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Neurociencies, University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain.
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23
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Neuroinflammaging underlies emotional disturbances and circadian rhythm disruption in young male senescence-accelerated mouse prone 8 mice. Exp Gerontol 2020; 142:111109. [PMID: 33069781 DOI: 10.1016/j.exger.2020.111109] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 09/27/2020] [Accepted: 10/01/2020] [Indexed: 12/13/2022]
Abstract
Aging causes psychological dysfunction and neurodegeneration, and can lead to cognitive impairments. Although numerous studies have reported that neurodegeneration and subsequent cognitive impairments are involved in neuroinflammation, relationship between psychological disturbance and neuroinflammation with aging (neuroinflammaging) remains unclear. Here, to clarify the relationship, we examined whether neuroinflammaging affects emotional behaviors in senescence-accelerated mouse prone 8 (SAMP8) mice. Microglial inflammatory responses to a subsequent lipopolysaccharide (LPS) challenge were significantly enhanced in male SAMP8 mice relative to normal aging senescence-accelerated mouse resistant 1 (SAMR1) mice at 17 weeks, but not 8 weeks of age. LPS injection also significantly increased brain and systemic inflammation in SAMP8 mice at 17 weeks. In a battery of behavioral tests, SAMP8 mice at 17 weeks, but not 8 weeks, exhibited anxiety- and depression-like behaviors and circadian rhythm disruption. Taken together, SAMP8 mice at 17 weeks possess a brain microenvironment in which it is easier to trigger neuroinflammatory priming; this may lead to an emergence of anxiety- and depression-like behaviors and circadian rhythm disruption. These findings provide new insights into the temporal relationship between neuroinflammaging and emotion.
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24
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Griñán-Ferré C, Codony S, Pujol E, Yang J, Leiva R, Escolano C, Puigoriol-Illamola D, Companys-Alemany J, Corpas R, Sanfeliu C, Pérez B, Loza MI, Brea J, Morisseau C, Hammock BD, Vázquez S, Pallàs M, Galdeano C. Pharmacological Inhibition of Soluble Epoxide Hydrolase as a New Therapy for Alzheimer's Disease. Neurotherapeutics 2020; 17:1825-1835. [PMID: 32488482 PMCID: PMC7851240 DOI: 10.1007/s13311-020-00854-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The inhibition of the enzyme soluble epoxide hydrolase (sEH) has demonstrated clinical therapeutic effects in several peripheral inflammatory-related diseases, with 3 compounds in clinical trials. However, the role of this enzyme in the neuroinflammation process has been largely neglected. Herein, we disclose the pharmacological validation of sEH as a novel target for the treatment of Alzheimer's disease (AD). Evaluation of cognitive impairment and pathological hallmarks were used in 2 models of age-related cognitive decline and AD using 3 structurally different and potent sEH inhibitors as chemical probes. sEH is upregulated in brains from AD patients. Our findings supported the beneficial effects of central sEH inhibition, regarding reducing cognitive impairment, neuroinflammation, tau hyperphosphorylation pathology, and the number of amyloid plaques. This study suggests that inhibition of inflammation in the brain by targeting sEH is a relevant therapeutic strategy for AD.
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Affiliation(s)
- Christian Griñán-Ferré
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain.
| | - Sandra Codony
- Laboratori de Química Farmacèutica (Unitat Associada al Consejo Superior de Investigaciones Científicas), Department de Farmacologia, Toxicologia i Química Farmacèutica, Facultat de Farmàcia i Ciències de de l'Alimentació y Institut de Biomedicina, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Eugènia Pujol
- Laboratori de Química Farmacèutica (Unitat Associada al Consejo Superior de Investigaciones Científicas), Department de Farmacologia, Toxicologia i Química Farmacèutica, Facultat de Farmàcia i Ciències de de l'Alimentació y Institut de Biomedicina, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Jun Yang
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, One Shields Avenue, Davis, CA, 95616, USA
| | - Rosana Leiva
- Laboratori de Química Farmacèutica (Unitat Associada al Consejo Superior de Investigaciones Científicas), Department de Farmacologia, Toxicologia i Química Farmacèutica, Facultat de Farmàcia i Ciències de de l'Alimentació y Institut de Biomedicina, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Carmen Escolano
- Laboratori de Química Farmacèutica (Unitat Associada al Consejo Superior de Investigaciones Científicas), Department de Farmacologia, Toxicologia i Química Farmacèutica, Facultat de Farmàcia i Ciències de de l'Alimentació y Institut de Biomedicina, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Dolors Puigoriol-Illamola
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Júlia Companys-Alemany
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain
| | - Rubén Corpas
- Institute of Biomedical Research of Barcelona, Consejo Superior de Investigaciones Científicas and Institut d'Investigacions Biomèdiques August Pi i Sunyer, Rosselló, 149, E-08036, Barcelona, Spain
- Centros de Investigacion Biomedica en red Epidemiology and Public Health, Av. Monforte de Lemos, 3-5. Pabellón 11. Planta 0, E-28029, Madrid, Spain
| | - Coral Sanfeliu
- Institute of Biomedical Research of Barcelona, Consejo Superior de Investigaciones Científicas and Institut d'Investigacions Biomèdiques August Pi i Sunyer, Rosselló, 149, E-08036, Barcelona, Spain
- Centros de Investigacion Biomedica en red Epidemiology and Public Health, Av. Monforte de Lemos, 3-5. Pabellón 11. Planta 0, E-28029, Madrid, Spain
| | - Belen Pérez
- Department of Pharmacology, Therapeutic and Toxicology, Autonomous University of Barcelona, E-08193, Barcelona, Spain
| | - M Isabel Loza
- Innopharma Screening Platform, Biofarma Research Group, Centro de Investigación en Medicina Molecular y Enfermedades Crónicas, Universidad de Santiago de Compostela, Edificio CIMUS, Av. Barcelona, S/N, E-15706, Santiago de Compostela, Spain
| | - José Brea
- Innopharma Screening Platform, Biofarma Research Group, Centro de Investigación en Medicina Molecular y Enfermedades Crónicas, Universidad de Santiago de Compostela, Edificio CIMUS, Av. Barcelona, S/N, E-15706, Santiago de Compostela, Spain
| | - Christophe Morisseau
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, One Shields Avenue, Davis, CA, 95616, USA
| | - Bruce D Hammock
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, One Shields Avenue, Davis, CA, 95616, USA
| | - Santiago Vázquez
- Laboratori de Química Farmacèutica (Unitat Associada al Consejo Superior de Investigaciones Científicas), Department de Farmacologia, Toxicologia i Química Farmacèutica, Facultat de Farmàcia i Ciències de de l'Alimentació y Institut de Biomedicina, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain.
| | - Mercè Pallàs
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain.
| | - Carles Galdeano
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences and Institute of Biomedicine, University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain.
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25
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Sánchez-Melgar A, Albasanz JL, Pallàs M, Martín M. Resveratrol Differently Modulates Group I Metabotropic Glutamate Receptors Depending on Age in SAMP8 Mice. ACS Chem Neurosci 2020; 11:1770-1780. [PMID: 32437602 DOI: 10.1021/acschemneuro.0c00067] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Glutamate homeostasis is critical for neurotransmission as this excitatory neurotransmitter has a relevant role in cognition functions through ionotropic and metabotropic glutamate receptors in the central nervous system. During the last years, the role of the group I metabotropic glutamate receptors (mGluRs) in neurodegenerative diseases such as Alzheimer's disease has been intensely investigated. Resveratrol (RSV) is a natural polyphenolic compound that is thought to have neuroprotective properties for human health. However, little is known about the action of this compound on mGluR signaling. Therefore, the aim of this study was to investigate the possible modulation of group I mGluRs in SAMP8 mice five and seven months of age supplemented with RSV in the diet. Data reported herein show that RSV plays a different modulatory action on group I mGluRs: mGluR5 is downregulated as age increases, independently of RSV presence, and mGluR1 is upregulated or downregulated by RSV treatment depending on age (i.e., depending on mGluR5 levels). In addition, a neuroprotective role can be inferred for RSV as lower glutamate levels, higher synapsin levels, and unchanged caspase-3 activity were detected after RSV treatment. In conclusion, our findings indicate that RSV treatment modifies the group I mGluR-mediated glutamatergic system in SAMP8 mice, which could contribute to the beneficial effects of this natural polyphenol.
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Affiliation(s)
- Alejandro Sánchez-Melgar
- Department of Inorganic and Organic Chemistry and Biochemistry, Faculty of Chemical Sciences and Technologies, Faculty of Medicine of Ciudad Real, Regional Center of Biomedical Research, University of Castilla-La Mancha, Ciudad Real 13071, Spain
| | - José Luis Albasanz
- Department of Inorganic and Organic Chemistry and Biochemistry, Faculty of Chemical Sciences and Technologies, Faculty of Medicine of Ciudad Real, Regional Center of Biomedical Research, University of Castilla-La Mancha, Ciudad Real 13071, Spain
| | - Mercé Pallàs
- Department of Pharmacology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neuroscience, University of Barcelona, Barcelona 08024, Spain
| | - Mairena Martín
- Department of Inorganic and Organic Chemistry and Biochemistry, Faculty of Chemical Sciences and Technologies, Faculty of Medicine of Ciudad Real, Regional Center of Biomedical Research, University of Castilla-La Mancha, Ciudad Real 13071, Spain
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26
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Bobermin LD, Roppa RHA, Gonçalves CA, Quincozes-Santos A. Ammonia-Induced Glial-Inflammaging. Mol Neurobiol 2020; 57:3552-3567. [DOI: 10.1007/s12035-020-01985-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 06/08/2020] [Indexed: 12/13/2022]
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27
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The ratio of prematurely aging to non-prematurely aging mice cohabiting, conditions their behavior, immunity and lifespan. J Neuroimmunol 2020; 343:577240. [PMID: 32330742 DOI: 10.1016/j.jneuroim.2020.577240] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 04/09/2020] [Accepted: 04/09/2020] [Indexed: 12/15/2022]
Abstract
Adult prematurely aging mice (PAM) show behavioral deterioration, premature immunosenescence and increased oxidative stress, impairments that are associated with their shorter lifespan, compared to the corresponding exceptional non-prematurely aging mice (ENPAM). When PAM live in a predominantly ENPAM environment (2/5, respectively) they exhibit an improvement of immunity and redox state in their spleen and thymus leukocytes, and an increased lifespan. Nevertheless, it is unknown if other PAM/ENPAM ratios could affect behavioral and peritoneal leukocyte functions of PAM and change their lifespan. ENPAM and PAM were divided into the following groups: C-ENPAM (8 ENPAM in the cage); C-PAM (8 PAM in the cage); ENPAM>50% and PAM<50% (5 ENPAM/2 PAM in each cage); ENPAM = 50% and PAM = 50% (4 ENPAM/4 PAM in each cage), and PAM>50% and ENPAM<50% (5 PAM/2 ENPAM in each cage). After two months, mice were submitted to a battery of behavioral tests. Several functions and oxidative stress parameters were then assessed in their peritoneal leukocytes. Animals were maintained in these conditions to analyze their lifespan. The results showed that PAM>50%, PAM = 50% and PAM<50% exhibited better behavioral responses, immunity and redox states in their peritoneal leukocytes than C-PAM. This improvement was higher when the number of ENPAM in the cage was increased, with most of the parameters in PAM<50% reaching similar values to those in C-ENPAM, and an increased lifespan. However, ENPAM that cohabited with PAM showed, in general, an impairment of parameters studied. In conclusion, the PAM/ENPAM cohabitation ratio is relevant to behavior and immunity.
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28
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A Novel NMDA Receptor Antagonist Protects against Cognitive Decline Presented by Senescent Mice. Pharmaceutics 2020; 12:pharmaceutics12030284. [PMID: 32235699 PMCID: PMC7151078 DOI: 10.3390/pharmaceutics12030284] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/09/2020] [Accepted: 03/17/2020] [Indexed: 01/01/2023] Open
Abstract
Alzheimer’s disease (AD) is the leading cause of dementia. Non-competitive N-Methyl-D-aspartate (NMDA) receptor antagonist memantine improved cognition and molecular alterations after preclinical treatment. Nevertheless, clinical results are discouraging. In vivo efficacy of the RL-208, a new NMDA receptor blocker described recently, with favourable pharmacokinetic properties was evaluated in Senescence accelerated mice prone 8 (SAMP8), a mice model of late-onset AD (LOAD). Oral administration of RL-208 improved cognitive performance assessed by using the three chamber test (TCT), novel object recognition test (NORT), and object location test (OLT). Consistent with behavioural results, RL-208 treated-mice groups significantly changed NMDAR2B phosphorylation state levels but not NMDAR2A. Calpain-1 and Caspase-3 activity was reduced, whereas B-cell lymphoma-2 (BCL-2) levels increased, indicating reduced apoptosis in RL-208 treated SAMP8. Superoxide Dismutase 1 (SOD1) and Glutathione Peroxidase 1 (GPX1), as well as a reduction of hydrogen peroxide (H2O2), was also determined in RL-208 mice. RL-208 treatment induced an increase in mature brain-derived neurotrophic factor (mBDNF), prevented Tropomyosin-related kinase B full-length (TrkB-FL) cleavage, increased protein levels of Synaptophysin (SYN) and Postsynaptic density protein 95 (PSD95). In whole, these results point out to an improvement in synaptic plasticity. Remarkably, RL-208 also decreased the protein levels of Cyclin-Dependent Kinase 5 (CDK5), as well as p25/p35 ratio, indicating a reduction in kinase activity of CDK5/p25 complex. Consequently, lower levels of hyperphosphorylated Tau (p-Tau) were found. In sum, these results demonstrate the neuroprotectant role of RL-208 through NMDAR blockade.
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29
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García S, Martín Giménez VM, Mocayar Marón FJ, Reiter RJ, Manucha W. Melatonin and cannabinoids: mitochondrial-targeted molecules that may reduce inflammaging in neurodegenerative diseases. Histol Histopathol 2020; 35:789-800. [PMID: 32154907 DOI: 10.14670/hh-18-212] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Generally, the development and progression of neurodegenerative diseases are associated with advancing age, so they are usually diagnosed in late adulthood. A primary mechanism underlying the onset of neurodegenerative diseases is neuroinflammation. Based on this background, the concept of "neuroinflammaging" has emerged. In this deregulated neuroinflammatory process, a variety of immune cells participate, especially glial cells, proinflammatory cytokines, receptors, and subcellular organelles including mitochondria, which are mainly responsible for maintaining redox balance at the cellular level. Senescence and autophagic processes also play a crucial role in the neuroinflammatory disease associated with aging. Of particular interest, melatonin, cannabinoids, and the receptors of both molecules which are closely related, exert beneficial effects on the neuroinflammatory processes that precede the onset of neurodegenerative pathologies such as Parkinson's and Alzheimer's diseases. Some of these neuroprotective effects are fundamentally related to its anti-inflammatory and antioxidative actions at the mitochondrial level due to the strategic functions of this organelle. The aim of this review is to summarize the most recent advances in the study of neuroinflammation and neurodegeneration associated with age and to consider the use of new mitochondrial therapeutic targets related to the endocannabinoid system and the pineal gland.
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Affiliation(s)
- Sebastián García
- Institute of Pharmacology, Department of Pathology, School of Medical Sciences, Cuyo National University, Mendoza, Argentina.,Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Council of Scientific and Technological Research (CONICET), Mendoza, Argentina
| | - Virna Margarita Martín Giménez
- Institute of Research in Chemical Sciences, School of Chemical and Technological Sciences, Cuyo Catholic University, San Juan, Argentina
| | - Feres José Mocayar Marón
- Institute of Pharmacology, Department of Pathology, School of Medical Sciences, Cuyo National University, Mendoza, Argentina.,Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Council of Scientific and Technological Research (CONICET), Mendoza, Argentina
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science at San Antonio, San Antonio, TX, USA
| | - Walter Manucha
- Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Council of Scientific and Technological Research (CONICET), Mendoza, Argentina.,Institute of Pharmacology, Department of Pathology, School of Medical Sciences, Cuyo National University, Mendoza, Argentina.
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30
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Garcia-Just A, Miró L, Pérez-Bosque A, Amat C, Polo J, Pallàs M, Griñán-Ferré C, Moretó M. Dietary Spray-Dried Porcine Plasma Prevents Cognitive Decline in Senescent Mice and Reduces Neuroinflammation and Oxidative Stress. J Nutr 2020; 150:303-311. [PMID: 31562503 DOI: 10.1093/jn/nxz239] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/12/2019] [Accepted: 09/09/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Aging is characterized by chronic, low-grade inflammation that correlates with cognitive decline. Dietary supplementation with spray-dried porcine plasma (SDP) reduces immune activation in rodent models of inflammation and aging. OBJECTIVE We investigated whether the anti-inflammatory properties of SDP could ameliorate age-related cognitive deterioration and preserve brain homeostasis in an aging mouse model of senescence. METHODS Male senescence-accelerated prone 8 (SAMP8) mice were used. In Experiment 1, cognitive performance (n = 10-14 mice/group) was analyzed by the novel object recognition test in 2-mo-old mice (2M group) and in mice fed a control diet or a diet supplemented with 8% SDP for 2 (4M-CTL and 4M-SDP groups) and 4 mo (6M-CTL and 6M-SDP groups). In Experiment 2, the permeability of the blood-brain barrier and junctional proteins in brain tissue was assessed, as well as synaptic density, oxidative stress markers, and inflammatory genes and proteins in mice from the 2M, 6M-CTL, and 6M-SDP groups ( n = 5-11). Statistical analyses included one-factor ANOVA followed by Fisher's posthoc test. RESULTS 6M-SDP mice had better cognitive performance than 6M-CTL mice in both short-term (P = 0.024) and long-term (P = 0.017) memory tests. In brain tissue, 6M-SDP mice showed reduced brain capillary permeability (P = 0.034) and increased ZO1 and E-cadherin expression (both P <0.04) compared with 6M-CTL mice. SDP also prevented the NFκB activation observed in 6M-CTL mice (P = 0.002) and reduced Il6 expression and hydrogen peroxide concentration (both P <0.03) observed in 6M-CTL mice. SDP also increased the concentration of IL10 (P = 0.027), an anti-inflammatory cytokine correlated with memory preservation. CONCLUSIONS In senescent SAMP8 mice, dietary supplementation with SDP attenuated cognitive decline and prevented changes in brain markers of neuroinflammation and oxidative stress.
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Affiliation(s)
- Alba Garcia-Just
- Department of Biochemistry and Physiology (Physiology Section), Faculty of Pharmacy and Food Sciences, and Institute for Nutrition and Food Safety, Universitat de Barcelona, Barcelona, Spain
| | - Lluïsa Miró
- Department of Biochemistry and Physiology (Physiology Section), Faculty of Pharmacy and Food Sciences, and Institute for Nutrition and Food Safety, Universitat de Barcelona, Barcelona, Spain.,APC-Europe SLU, Granollers, Spain
| | - Anna Pérez-Bosque
- Department of Biochemistry and Physiology (Physiology Section), Faculty of Pharmacy and Food Sciences, and Institute for Nutrition and Food Safety, Universitat de Barcelona, Barcelona, Spain
| | - Concepció Amat
- Department of Biochemistry and Physiology (Physiology Section), Faculty of Pharmacy and Food Sciences, and Institute for Nutrition and Food Safety, Universitat de Barcelona, Barcelona, Spain
| | | | - Mercè Pallàs
- Department of Pharmacology, Toxicology, and Medicinal Chemistry (Pharmacology Section), Faculty of Pharmacy and Food Sciences, and Institute of Neurosciences, CIBERNED, Universitat de Barcelona, Barcelona, Spain
| | - Christian Griñán-Ferré
- Department of Pharmacology, Toxicology, and Medicinal Chemistry (Pharmacology Section), Faculty of Pharmacy and Food Sciences, and Institute of Neurosciences, CIBERNED, Universitat de Barcelona, Barcelona, Spain
| | - Miquel Moretó
- Department of Biochemistry and Physiology (Physiology Section), Faculty of Pharmacy and Food Sciences, and Institute for Nutrition and Food Safety, Universitat de Barcelona, Barcelona, Spain
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31
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Jiang T, Xue LJ, Yang Y, Wang QG, Xue X, Ou Z, Gao Q, Shi JQ, Wu L, Zhang YD. AVE0991, a nonpeptide analogue of Ang-(1-7), attenuates aging-related neuroinflammation. Aging (Albany NY) 2019; 10:645-657. [PMID: 29667931 PMCID: PMC5940107 DOI: 10.18632/aging.101419] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 04/14/2018] [Indexed: 12/11/2022]
Abstract
During the aging process, chronic neuroinflammation induced by microglia is detrimental for the brain and contributes to the etiology of several aging-related neurodegenerative diseases such as Alzheimer’s disease and Parkinson’s disease. As a newly identified axis of renin-angiotensin system, ACE2/Ang-(1-7)/MAS1 axis plays a crucial role in modulating inflammatory responses under various pathological conditions. However, its relationship with aging-related neuroinflammation is less studied so far. In this study, by using SAMP8 mice, an animal model of accelerated aging, we revealed that the neuroinflammation in the aged brain might be attributed to a decreased level of Ang-(1-7). More importantly, we provided evidence that AVE0991, a nonpeptide analogue of Ang-(1-7), attenuated the aging-related neuroinflammation via suppression of microglial-mediated inflammatory response through a MAS1 receptor-dependent manner. Meanwhile, this protective effect might be ascribed to the M2 activation of microglia induced by AVE0991. Taken together, these findings reveal the association of Ang-(1-7) with the inflammatory response in the aged brain and uncover the potential of its nonpeptide analogue AVE0991 in attenuation of aging-related neuroinflammation.
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Affiliation(s)
- Teng Jiang
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
| | - Liu-Jun Xue
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China.,Department of Neurology, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, PR China
| | - Yang Yang
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
| | - Qing-Guang Wang
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
| | - Xiao Xue
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
| | - Zhou Ou
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
| | - Qing Gao
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
| | - Jian-Quan Shi
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
| | - Liang Wu
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
| | - Ying-Dong Zhang
- Department of Neurology, Nanjing First Hospital Nanjing Medical University, Nanjing, PR China
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32
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Griñán-Ferré C, Corpas R, Puigoriol-Illamola D, Palomera-Ávalos V, Sanfeliu C, Pallàs M. Understanding Epigenetics in the Neurodegeneration of Alzheimer's Disease: SAMP8 Mouse Model. J Alzheimers Dis 2019; 62:943-963. [PMID: 29562529 PMCID: PMC5870033 DOI: 10.3233/jad-170664] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Epigenetics is emerging as the missing link among genetic inheritance, environmental influences, and body and brain health status. In the brain, specific changes in nucleic acids or their associated proteins in neurons and glial cells might imprint differential patterns of gene activation that will favor either cognitive enhancement or cognitive loss for more than one generation. Furthermore, derangement of age-related epigenetic signaling is appearing as a significant risk factor for illnesses of aging, including neurodegeneration and Alzheimer’s disease (AD). In addition, better knowledge of epigenetic mechanisms might provide hints and clues in the triggering and progression of AD. Intense research in experimental models suggests that molecular interventions for modulating epigenetic mechanisms might have therapeutic applications to promote cognitive maintenance through an advanced age. The SAMP8 mouse is a senescence model with AD traits in which the study of epigenetic alterations may unveil epigenetic therapies against the AD.
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Affiliation(s)
- Christian Griñán-Ferré
- Department of Pharmacology, Toxicology and Therapeutic Chemistry (Pharmacology Section) and Institute of Neuroscience, University of Barcelona and CIBERNED, Barcelona, Spain
| | - Rubén Corpas
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), CSIC, IDIBAPS and CIBERESP, Barcelona, Spain
| | - Dolors Puigoriol-Illamola
- Department of Pharmacology, Toxicology and Therapeutic Chemistry (Pharmacology Section) and Institute of Neuroscience, University of Barcelona and CIBERNED, Barcelona, Spain
| | - Verónica Palomera-Ávalos
- Department of Pharmacology, Toxicology and Therapeutic Chemistry (Pharmacology Section) and Institute of Neuroscience, University of Barcelona and CIBERNED, Barcelona, Spain
| | - Coral Sanfeliu
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), CSIC, IDIBAPS and CIBERESP, Barcelona, Spain
| | - Mercè Pallàs
- Department of Pharmacology, Toxicology and Therapeutic Chemistry (Pharmacology Section) and Institute of Neuroscience, University of Barcelona and CIBERNED, Barcelona, Spain
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33
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Mowry FE, Biancardi VC. Neuroinflammation in hypertension: the renin-angiotensin system versus pro-resolution pathways. Pharmacol Res 2019; 144:279-291. [PMID: 31039397 DOI: 10.1016/j.phrs.2019.04.029] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 04/22/2019] [Accepted: 04/23/2019] [Indexed: 12/31/2022]
Abstract
Overstimulation of the pro-inflammatory pathways within brain areas responsible for sympathetic outflow is well evidenced as a primary contributing factor to the establishment and maintenance of neurogenic hypertension. However, the precise mechanisms and stimuli responsible for promoting a pro-inflammatory state are not fully elucidated. Recent work has unveiled novel compounds derived from omega-3 polyunsaturated fatty acids (ω-3 PUFAs), termed specialized pro-resolving mediators (SPMs), which actively regulate the resolution of inflammation. Failure or dysregulation of the resolution process has been linked to a variety of chronic inflammatory and neurodegenerative diseases. Given the pathologic role of neuroinflammation in the hypertensive state, SPMs and their associated pathways may provide a link between hypertension and the long-standing association of dietary ω-3 PUFAs with cardioprotection. Herein, we review recent progress in understanding the RAS-driven pathophysiology of neurogenic hypertension, particularly in regards to the chronic low-grade neuroinflammatory response. In addition, we examine the potential for an impaired resolution of inflammation process in the context of hypertension.
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Affiliation(s)
- Francesca Elisabeth Mowry
- Department of Anatomy, Physiology, and Pharmacology, College of Veterinary Medicine, Auburn University, Alabama, USA
| | - Vinicia Campana Biancardi
- Department of Anatomy, Physiology, and Pharmacology, College of Veterinary Medicine, Auburn University, Alabama, USA; Center for Neurosciences Research Initiative, Auburn University, Alabama, USA.
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34
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Griñán-Ferré C, Vasilopoulou F, Abás S, Rodríguez-Arévalo S, Bagán A, Sureda FX, Pérez B, Callado LF, García-Sevilla JA, García-Fuster MJ, Escolano C, Pallàs M. Behavioral and Cognitive Improvement Induced by Novel Imidazoline I 2 Receptor Ligands in Female SAMP8 Mice. Neurotherapeutics 2019; 16:416-431. [PMID: 30460457 PMCID: PMC6554384 DOI: 10.1007/s13311-018-00681-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
As populations increase their life expectancy, age-related neurodegenerative disorders such as Alzheimer's disease have become more common. I2-Imidazoline receptors (I2-IR) are widely distributed in the central nervous system, and dysregulation of I2-IR in patients with neurodegenerative diseases has been reported, suggesting their implication in cognitive impairment. This evidence indicates that high-affinity selective I2-IR ligands potentially contribute to the delay of neurodegeneration. In vivo studies in the female senescence accelerated mouse-prone 8 mice have shown that treatment with I2-IR ligands, MCR5 and MCR9, produce beneficial effects in behavior and cognition. Changes in molecular pathways implicated in oxidative stress, inflammation, synaptic plasticity, and apoptotic cell death were also studied. Furthermore, treatments with these I2-IR ligands diminished the amyloid precursor protein processing pathway and increased Aβ degrading enzymes in the hippocampus of SAMP8 mice. These results collectively demonstrate the neuroprotective role of these new I2-IR ligands in a mouse model of brain aging through specific pathways and suggest their potential as therapeutic agents in brain disorders and age-related neurodegenerative diseases.
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Affiliation(s)
- Christian Griñán-Ferré
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Av. Joan XXIII, 27-31, 08028, Barcelona, Spain
| | - Foteini Vasilopoulou
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Av. Joan XXIII, 27-31, 08028, Barcelona, Spain
| | - Sònia Abás
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, 08028, Barcelona, Spain
| | - Sergio Rodríguez-Arévalo
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, 08028, Barcelona, Spain
| | - Andrea Bagán
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, 08028, Barcelona, Spain
| | - Francesc X Sureda
- Pharmacology Unit, Faculty of Medicine and Health Sciences, University of Rovira and Virgili, C./St. Llorenç 21, 43201, Reus, Tarragona, Spain
| | - Belén Pérez
- Departament of Pharmacology, Therapeutic and Toxicology, Autonomous University of Barcelona, 08193, Barcelona, Spain
| | - Luis F Callado
- Department of Pharmacology, University of the Basque Country, UPV/EHU, 48940, Leioa, Bizkaia, Spain
- Centro de Investigación Biomédica en Red de Salud Mental, CIBERSAM, Leioa, Spain
| | - Jesús A García-Sevilla
- Laboratory of Neuropharmacology, IUNICS and IdISBa, University of the Balearic Islands (UIB), Cra. Valldemossa km 7.5, 07122, Palma de Mallorca, Spain
| | - M Julia García-Fuster
- Laboratory of Neuropharmacology, IUNICS and IdISBa, University of the Balearic Islands (UIB), Cra. Valldemossa km 7.5, 07122, Palma de Mallorca, Spain
| | - Carmen Escolano
- Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, 08028, Barcelona, Spain
| | - Mercè Pallàs
- Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institut de Neurociències, University of Barcelona, Av. Joan XXIII, 27-31, 08028, Barcelona, Spain.
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35
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Izquierdo V, Palomera-Ávalos V, López-Ruiz S, Canudas AM, Pallàs M, Griñán-Ferré C. Maternal Resveratrol Supplementation Prevents Cognitive Decline in Senescent Mice Offspring. Int J Mol Sci 2019; 20:ijms20051134. [PMID: 30845644 PMCID: PMC6429303 DOI: 10.3390/ijms20051134] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 02/24/2019] [Accepted: 02/26/2019] [Indexed: 02/07/2023] Open
Abstract
A variety of environmental factors contribute significantly to age-related cognitive decline and memory impairment in Alzheimer’s Disease (AD) and other neurodegenerative diseases. Nutrition can alter epigenetics, improving health outcomes, which can be transmitted across generations; this process is called epigenetic inheritance. We investigate the beneficial effects of maternal resveratrol supplementation in the direct exposed F1 generation and the transgenerational F2 generation. The offspring was generated from females Senescence Accelerated Mouse-Prone (SAMP8) fed a resveratrol-enriched diet for two months prior to mating. Object novel recognition and Morris Water Maze (MWM) demonstrated improvements in cognition in the 6-month-old F1 and F2 generations from resveratrol fed mothers. A significant increase in global DNA methylation with a decrease in hydroxymethylation in F1 and F2 were found. Accordingly, Dnmt3a/b and Tet2 gene expression changed. Methylation levels of Nrf2 and NF-kβ genes promoters raised in offspring, inducing changes in target genes expression, as well as hydrogen peroxide levels. Offspring that resulted from a resveratrol fed mother showed increase AMPKα activation, mTOR inhibition, and an increase in Pgc-1α gene expression and Beclin-1 protein levels. Endoplasmic reticulum stress sensors were found changed both in F1 and F2 generations. Overall, our results demonstrated that maternal resveratrol supplementation could prevent cognitive impairment in the SAMP8 mice offspring through epigenetic changes and cell signaling pathways.
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Affiliation(s)
- Vanesa Izquierdo
- Department of Pharmacology and Therapeutic Chemistry. Institut de Neurociències-University of Barcelona, Avda. Joan XXIII, 27. 08028 Barcelona, Spain.
| | - Verónica Palomera-Ávalos
- Department of Pharmacology and Therapeutic Chemistry. Institut de Neurociències-University of Barcelona, Avda. Joan XXIII, 27. 08028 Barcelona, Spain.
- Department of Cellular and Molecular Biology, University Center of Biological and Agricultural Sciences, University of Guadalajara, km 15.5 Guadalajara-Nogales highway, C.P. 45110 Zapopan, Jalisco, Mexico.
| | - Sergio López-Ruiz
- Department of Pharmacology and Therapeutic Chemistry. Institut de Neurociències-University of Barcelona, Avda. Joan XXIII, 27. 08028 Barcelona, Spain.
| | - Anna-Maria Canudas
- Department of Pharmacology and Therapeutic Chemistry. Institut de Neurociències-University of Barcelona, Avda. Joan XXIII, 27. 08028 Barcelona, Spain.
| | - Mercè Pallàs
- Department of Pharmacology and Therapeutic Chemistry. Institut de Neurociències-University of Barcelona, Avda. Joan XXIII, 27. 08028 Barcelona, Spain.
| | - Christian Griñán-Ferré
- Department of Pharmacology and Therapeutic Chemistry. Institut de Neurociències-University of Barcelona, Avda. Joan XXIII, 27. 08028 Barcelona, Spain.
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36
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Luo A, Yan J, Tang X, Zhao Y, Zhou B, Li S. Postoperative cognitive dysfunction in the aged: the collision of neuroinflammaging with perioperative neuroinflammation. Inflammopharmacology 2019; 27:27-37. [PMID: 30607668 DOI: 10.1007/s10787-018-00559-0] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 12/26/2018] [Indexed: 12/25/2022]
Abstract
The aging population is burgeoning globally and this trend presents great challenges to the current healthcare system as the growing number of aged individuals receives procedures of surgery and anesthesia. Postoperative cognitive dysfunction (POCD) is a severe postoperative neurological sequela. Advanced age is considered as an independent risk factor of POCD. Mounting evidence have shown that neuroinflammation plays an essential role in POCD. However, it remains debatable why this complication occurs highly in the aged individuals. As known, aging itself is the major common high-risk factor for age-associated disorders including diabetes, cardiovascular disease, cancer, and neurodegenerative diseases. Chronic low-grade neuroinflammation (dubbed neuroinflammaging in the present paper) is a hallmark alternation and contributes to age-related cognitive decline in the normal aging. Interestingly, several lines of findings show that the neuroinflammatory pathogenesis of POCD is age-dependent. It suggests that age-related changes, especially the neuroinflammaging, are possibly associated with the postoperative cognitive impairment. Understanding the role of neuroinflammaging in POCD is crucial to elucidate the mechanism of POCD and develop strategies to prevent or treat POCD. Here the focus of this review is on the potential role of neuroinflammaging in the mechanism of POCD. Lastly, we briefly review promising interventions for this neurological sequela.
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Affiliation(s)
- AiLin Luo
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China
| | - Jing Yan
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China
| | - XiaoLe Tang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China
| | - YiLin Zhao
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China
| | - BiYun Zhou
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China
| | - ShiYong Li
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, China.
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37
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Pseudoginsenoside-F11 alleviates cognitive deficits and Alzheimer’s disease-type pathologies in SAMP8 mice. Pharmacol Res 2019; 139:512-523. [DOI: 10.1016/j.phrs.2018.10.024] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 10/16/2018] [Accepted: 10/22/2018] [Indexed: 12/20/2022]
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38
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Cosín-Tomás M, Álvarez-López MJ, Companys-Alemany J, Kaliman P, González-Castillo C, Ortuño-Sahagún D, Pallàs M, Griñán-Ferré C. Temporal Integrative Analysis of mRNA and microRNAs Expression Profiles and Epigenetic Alterations in Female SAMP8, a Model of Age-Related Cognitive Decline. Front Genet 2018; 9:596. [PMID: 30619445 PMCID: PMC6297390 DOI: 10.3389/fgene.2018.00596] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Accepted: 11/15/2018] [Indexed: 01/05/2023] Open
Abstract
A growing body of research shows that epigenetic mechanisms are critically involved in normal and pathological aging. The Senescence-Accelerated Mouse Prone 8 (SAMP8) can be considered a useful tool to better understand the dynamics of the global epigenetic landscape during the aging process since its phenotype is not fully explained by genetic factors. Here we investigated dysfunctional age-related transcriptional profiles and epigenetic programming enzymes in the hippocampus of 2- and 9-month-old SAMP8 female mice using the Senescent-Accelerated Resistant 1 (SAMR1) mouse strain as control. SAMP8 mice presented 1,062 genes dysregulated at 2 months of age, and 1,033 genes at 9 months, with 92 genes concurrently dysregulated at both ages compared to age-matched SAMR1. SAMP8 mice showed a significant decrease in global DNA methylation (5-mC) at 2 months while hydroxymethylation (5-hmC) levels were increased in SAMP8 mice at 2 and 9 months of age compared to SAMR1. These changes were accompanied by changes in the expression of several enzymes that regulate 5-mC and methylcytosine oxidation. Acetylated H3 and H4 histone levels were significantly diminished in SAMP8 mice at 2-month-old compared to SAMR1 and altered Histone DeACetylase (HDACs) profiles were detected in both young and old SAMP8 mice. We analyzed 84 different mouse miRNAs known to be altered in neurological diseases or involved in neuronal development. Compared with SAMR1, SAMP8 mice showed 28 and 17 miRNAs differentially expressed at 2 and 9 months of age, respectively; 6 of these miRNAs overlapped at both ages. We used several bioinformatic approaches to integrate our data in mRNA:miRNA regulatory networks and functional predictions for young and aged animals. In sum, our study reveals interplay between epigenetic mechanisms and gene networks that seems to be relevant for the progression toward a pathological aging and provides several potential markers and therapeutic candidates for Alzheimer's Disease (AD) and age-related cognitive impairment.
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Affiliation(s)
- Marta Cosín-Tomás
- Department of Pharmacology and Therapeutic Chemistry, Institute of Neuroscience, University of Barcelona, Barcelona, Spain.,Departments of Human Genetics and Pediatrics, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - María Jesús Álvarez-López
- Department of Pharmacology and Therapeutic Chemistry, Institute of Neuroscience, University of Barcelona, Barcelona, Spain
| | - Júlia Companys-Alemany
- Department of Pharmacology and Therapeutic Chemistry, Institute of Neuroscience, University of Barcelona, Barcelona, Spain
| | - Perla Kaliman
- Department of Pharmacology and Therapeutic Chemistry, Institute of Neuroscience, University of Barcelona, Barcelona, Spain.,Faculty of Health Sciences, Universitat Oberta de Catalunya, Barcelona, Spain
| | | | - Daniel Ortuño-Sahagún
- Centro Universitario de Ciencias de la Salud, Instituto de Investigación en Ciencias Biomédicas, Universidad de Guadalajara, Guadalajara, Mexico
| | - Mercè Pallàs
- Department of Pharmacology and Therapeutic Chemistry, Institute of Neuroscience, University of Barcelona, Barcelona, Spain
| | - Christian Griñán-Ferré
- Department of Pharmacology and Therapeutic Chemistry, Institute of Neuroscience, University of Barcelona, Barcelona, Spain
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39
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Cardoso AL, Fernandes A, Aguilar-Pimentel JA, de Angelis MH, Guedes JR, Brito MA, Ortolano S, Pani G, Athanasopoulou S, Gonos ES, Schosserer M, Grillari J, Peterson P, Tuna BG, Dogan S, Meyer A, van Os R, Trendelenburg AU. Towards frailty biomarkers: Candidates from genes and pathways regulated in aging and age-related diseases. Ageing Res Rev 2018; 47:214-277. [PMID: 30071357 DOI: 10.1016/j.arr.2018.07.004] [Citation(s) in RCA: 290] [Impact Index Per Article: 48.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 07/08/2018] [Accepted: 07/10/2018] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Use of the frailty index to measure an accumulation of deficits has been proven a valuable method for identifying elderly people at risk for increased vulnerability, disease, injury, and mortality. However, complementary molecular frailty biomarkers or ideally biomarker panels have not yet been identified. We conducted a systematic search to identify biomarker candidates for a frailty biomarker panel. METHODS Gene expression databases were searched (http://genomics.senescence.info/genes including GenAge, AnAge, LongevityMap, CellAge, DrugAge, Digital Aging Atlas) to identify genes regulated in aging, longevity, and age-related diseases with a focus on secreted factors or molecules detectable in body fluids as potential frailty biomarkers. Factors broadly expressed, related to several "hallmark of aging" pathways as well as used or predicted as biomarkers in other disease settings, particularly age-related pathologies, were identified. This set of biomarkers was further expanded according to the expertise and experience of the authors. In the next step, biomarkers were assigned to six "hallmark of aging" pathways, namely (1) inflammation, (2) mitochondria and apoptosis, (3) calcium homeostasis, (4) fibrosis, (5) NMJ (neuromuscular junction) and neurons, (6) cytoskeleton and hormones, or (7) other principles and an extensive literature search was performed for each candidate to explore their potential and priority as frailty biomarkers. RESULTS A total of 44 markers were evaluated in the seven categories listed above, and 19 were awarded a high priority score, 22 identified as medium priority and three were low priority. In each category high and medium priority markers were identified. CONCLUSION Biomarker panels for frailty would be of high value and better than single markers. Based on our search we would propose a core panel of frailty biomarkers consisting of (1) CXCL10 (C-X-C motif chemokine ligand 10), IL-6 (interleukin 6), CX3CL1 (C-X3-C motif chemokine ligand 1), (2) GDF15 (growth differentiation factor 15), FNDC5 (fibronectin type III domain containing 5), vimentin (VIM), (3) regucalcin (RGN/SMP30), calreticulin, (4) PLAU (plasminogen activator, urokinase), AGT (angiotensinogen), (5) BDNF (brain derived neurotrophic factor), progranulin (PGRN), (6) α-klotho (KL), FGF23 (fibroblast growth factor 23), FGF21, leptin (LEP), (7) miRNA (micro Ribonucleic acid) panel (to be further defined), AHCY (adenosylhomocysteinase) and KRT18 (keratin 18). An expanded panel would also include (1) pentraxin (PTX3), sVCAM/ICAM (soluble vascular cell adhesion molecule 1/Intercellular adhesion molecule 1), defensin α, (2) APP (amyloid beta precursor protein), LDH (lactate dehydrogenase), (3) S100B (S100 calcium binding protein B), (4) TGFβ (transforming growth factor beta), PAI-1 (plasminogen activator inhibitor 1), TGM2 (transglutaminase 2), (5) sRAGE (soluble receptor for advanced glycosylation end products), HMGB1 (high mobility group box 1), C3/C1Q (complement factor 3/1Q), ST2 (Interleukin 1 receptor like 1), agrin (AGRN), (6) IGF-1 (insulin-like growth factor 1), resistin (RETN), adiponectin (ADIPOQ), ghrelin (GHRL), growth hormone (GH), (7) microparticle panel (to be further defined), GpnmB (glycoprotein nonmetastatic melanoma protein B) and lactoferrin (LTF). We believe that these predicted panels need to be experimentally explored in animal models and frail cohorts in order to ascertain their diagnostic, prognostic and therapeutic potential.
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Noggin rescues age-related stem cell loss in the brain of senescent mice with neurodegenerative pathology. Proc Natl Acad Sci U S A 2018; 115:11625-11630. [PMID: 30352848 PMCID: PMC6233090 DOI: 10.1073/pnas.1813205115] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Alzheimer’s disease (AD) is the most common cause of age-related neurodegeneration. Damage initially occurs in the hippocampus, a neurogenic brain region essential in forming memories. Since there is no cure for AD, therapeutic strategies that may aid to slow hippocampal dysfunction are necessary. We describe the precocious hippocampal stem cell loss of a mouse model that mimics the onset of pathological AD-like neurodegeneration. The loss is due to an increase in BMP6 that limits neurogenesis. We demonstrate that blocking BMP signaling by means of Noggin administration is beneficial to the hippocampal microenvironment, restoring stem cell numbers, neurogenesis, and behavior. Our findings support further development of BMP antagonists into translatable molecules for the rescue of stem cells and neurogenesis in neurodegeneration/aging. Increasing age is the greatest known risk factor for the sporadic late-onset forms of neurodegenerative disorders such as Alzheimer’s disease (AD). One of the brain regions most severely affected in AD is the hippocampus, a privileged structure that contains adult neural stem cells (NSCs) with neurogenic capacity. Hippocampal neurogenesis decreases during aging and the decrease is exacerbated in AD, but the mechanistic causes underlying this progressive decline remain largely unexplored. We here investigated the effect of age on NSCs and neurogenesis by analyzing the senescence accelerated mouse prone 8 (SAMP8) strain, a nontransgenic short-lived strain that spontaneously develops a pathological profile similar to that of AD and that has been employed as a model system to study the transition from healthy aging to neurodegeneration. We show that SAMP8 mice display an accelerated loss of the NSC pool that coincides with an aberrant rise in BMP6 protein, enhanced canonical BMP signaling, and increased astroglial differentiation. In vitro assays demonstrate that BMP6 severely impairs NSC expansion and promotes NSC differentiation into postmitotic astrocytes. Blocking the dysregulation of the BMP pathway and its progliogenic effect in vivo by intracranial delivery of the antagonist Noggin restores hippocampal NSC numbers, neurogenesis, and behavior in SAMP8 mice. Thus, manipulating the local microenvironment of the NSC pool counteracts hippocampal dysfunction in pathological aging. Our results shed light on interventions that may allow taking advantage of the brain’s natural plastic capacity to enhance cognitive function in late adulthood and in chronic neurodegenerative diseases such as AD.
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Lam V, Takechi R, Albrecht MA, D'Alonzo ZJ, Graneri L, Hackett MJ, Coulson S, Fimognari N, Nesbit M, Mamo JCL. Longitudinal Performance of Senescence Accelerated Mouse Prone-Strain 8 (SAMP8) Mice in an Olfactory-Visual Water Maze Challenge. Front Behav Neurosci 2018; 12:174. [PMID: 30210312 PMCID: PMC6121094 DOI: 10.3389/fnbeh.2018.00174] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 07/27/2018] [Indexed: 11/13/2022] Open
Abstract
Morris water maze (MWM) is widely used to assess cognitive deficits in pre-clinical rodent models. Latency time to reach escape platform is frequently reported, but may be confounded by deficits in visual acuity, or differences in locomotor activity. This study compared performance of Senescence Accelerated Mouse Prone-Strain 8 (SAMP8) and control Senescence Accelerated Mouse Resistant-Strain 1 (SAMR1) mice in classical MWM, relative to performance in a newly developed olfactory-visual maze testing protocol. Performance indicated as the escape time to rescue platform for classical MWM testing showed that SAMP8 mice as young as 6 weeks of age did poorly relative to age-matched SAMR1 mice. The olfactory-visual maze challenge described better discriminated SAMP8 vs. SAMR1 mice than classical MWM testing, based on latency time measures. Consideration of the distance traveled rather than latency time in the classical MWM found no treatment effects between SAMP8 and SAMR1 at 40 weeks of age and the olfactory-visual measures of performance confirmed the classical MWM findings. Longitudinal (repeat) assessment of SAMP8 and SAMR1 performance at 6, 20, 30, and 40 weeks of age in the olfactory-visual testing protocol showed no age-associated deficits in SAMP8 mice to the last age end-point indicated. Collectively, the results from this study suggest the olfactory-visual testing protocol may be advantageous compared to classical MWM as it avoids potential confounders of visual impairment in some strains of mice and indeed, may offer insight into cognitive and behavioral deficits that develop with advanced age in the widely used SAMP8 murine model.
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Affiliation(s)
- Virginie Lam
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Public Health, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Ryusuke Takechi
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Public Health, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Matthew A Albrecht
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Public Health, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Zachary John D'Alonzo
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Liam Graneri
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Mark J Hackett
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Perth, WA, Australia
| | - Stephanie Coulson
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Public Health, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Nicholas Fimognari
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - Michael Nesbit
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
| | - John C L Mamo
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Perth, WA, Australia.,School of Public Health, Faculty of Health Sciences, Curtin University, Perth, WA, Australia
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Resveratrol Modulates and Reverses the Age-Related Effect on Adenosine-Mediated Signalling in SAMP8 Mice. Mol Neurobiol 2018; 56:2881-2895. [DOI: 10.1007/s12035-018-1281-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 07/23/2018] [Indexed: 12/20/2022]
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Gao L, Li J, Zhou Y, Huang X, Qin X, Du G. Effects of Baicalein on Cortical Proinflammatory Cytokines and the Intestinal Microbiome in Senescence Accelerated Mouse Prone 8. ACS Chem Neurosci 2018; 9:1714-1724. [PMID: 29668250 DOI: 10.1021/acschemneuro.8b00074] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Baicalein, a flavonoid derived from the roots of Scutellariae baicalensis Georgi, has shown health benefits for an array of human diseases including dementia. The senescence-accelerated mouse prone 8 (SAMP8) strain is extensively used as a senile dementia model. To further investigate the effects of baicalein in SAMP8 mice, behavioral testing, biochemical detection, and gut microbiota analysis were performed. The results demonstrated that treatment with baicalein ameliorated the senescence status of the SAMP8 mice, as manifested by reducing the grading score of senescence. Additionally, baicalein improved the cognitive functions of the SAMP8 mice, including spatial learning and memory abilities, object recognition memory, and olfactory memory. Furthermore, baicalein significantly inhibited the release of proinflammatory cytokines such as interleukin-6 (IL-6), interleukin-1 beta (IL-1β), and tumor necrosis factor-α (TNF-α) in the brain cortex of SAMP8 mice. Gut microbiota analysis revealed that treatment with baicalein markedly altered the abundance of six genera in SAMP8 mice. Correlation analysis indicated that the abundances of Mucispirillum, Bacteroides, and Sutterella were negatively correlated with cognitive abilities and that Christensenellaceae was positively correlated with cognition. Furthermore, the abundance of Christensenellaceae was negatively correlated with the levels of IL-6 and TNF-α, while [ Prevotella] was positively correlated with the levels of IL-1β and IL-6. In addition, Mucispirillum and Bacteroides were positively correlated with the level of IL-6 in the brain cortex. These data indicated that baicalein ameliorates senescence status and improves cognitive function in SAMP8 mice and that this effect might be attributable to suppression of cortical proinflammatory cytokines and modulation of the intestinal microbiome.
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Affiliation(s)
- Li Gao
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, PR China
| | - Jiaqi Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, PR China
- College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Yuzhi Zhou
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, PR China
| | - Xudong Huang
- Neurochemistry Laboratory, Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Xuemei Qin
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, PR China
| | - Guanhua Du
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, PR China
- Institute of Materia Medica, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing 100050, PR China
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Tan T, Zhang Y, Luo W, Lv J, Han C, Hamlin JNR, Luo H, Li H, Wan Y, Yang X, Song W, Tong Z. Formaldehyde induces diabetes-associated cognitive impairments. FASEB J 2018; 32:3669-3679. [PMID: 29401634 DOI: 10.1096/fj.201701239r] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Patients with type 2 diabetes mellitus (T2DM) often develop cognitive impairments and have an increased risk of developing Alzheimer's disease. Hyperglycemia is a major characteristic of T2DM, but how elevated glucose levels lead to cognitive decline remains elusive. Here, we report that patients with T2DM and mutations in the formaldehyde (FA)-degrading enzyme aldehyde dehydrogenase 2 ( ALDH2) gene had higher levels of FA and more severe dementia. Injection of FA induced hyperglycemia and cognitive deficits in rats. Ablation of gene expression of ALDH2, the main enzyme to oxidize FA, resulted in abnormally high levels of hippocampal FA, leading to hyperglycemia and cognitive impairments as well as potentiating streptozotocin-induced diabetes development in ALDH2 knockout mice. We found that FA interacts with insulin to form FA-insulin adducts, and these FA-insulin adducts caused insulin deficiency, contributing to memory decline in diabetic rodent models. Reduction of FA by transgenic overexpression of human ALDH2 attenuates hyperglycemia and alleviates cognitive deficits in diabetic mouse models. These findings suggest that excess FA plays a critical role in mediating diabetes-related dementia. Targeting FA and its metabolizing enzyme ALDH2 may be a valid approach for preventing and treating dementia in diabetes mellitus.-Tan, T., Zhang, Y., Luo, W., Lv, J., Han, C., Hamlin, J. N. R., Luo, H., Li, H., Wan, Y., Yang, X., Song, W., Tong, Z. Formaldehyde induces diabetes-associated cognitive impairments.
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Affiliation(s)
- Tao Tan
- Alzheimer's Disease Center, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
- Sichuan Provincial Hospital for Women and Children, Chengdu, China
| | - Yun Zhang
- Department of Psychiatry, Townsend Family Laboratories, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Wenhong Luo
- Central Laboratory, Shantou University Medical College, Guangdong, China
| | - Jihui Lv
- Beijing Geriatric Hospital, Beijing, China
| | - Chanshuai Han
- Montreal Neurological Institute, McGill University, Quebec, Canada
| | - Jason N R Hamlin
- Montreal Neurological Institute, McGill University, Quebec, Canada
| | - Hongjun Luo
- Central Laboratory, Shantou University Medical College, Guangdong, China
| | - Hui Li
- Central Laboratory, Shantou University Medical College, Guangdong, China
| | - You Wan
- Department of Neurobiology, School of Basic Medical Sciences, Neuroscience Research Institute, Peking University, Beijing, China
| | - Xu Yang
- Section of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Sciences, Central China Normal University, Wuhan, China
| | - Weihong Song
- Department of Psychiatry, Townsend Family Laboratories, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Zhiqian Tong
- Alzheimer's Disease Center, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
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11β-HSD1 Inhibition by RL-118 Promotes Autophagy and Correlates with Reduced Oxidative Stress and Inflammation, Enhancing Cognitive Performance in SAMP8 Mouse Model. Mol Neurobiol 2018; 55:8904-8915. [PMID: 29611102 DOI: 10.1007/s12035-018-1026-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 03/20/2018] [Indexed: 01/14/2023]
Abstract
Elevated glucocorticoid (GC) exposure is widely accepted as a key factor in the age-related cognitive decline in rodents and humans. 11β-HSD1 is a key enzyme in the GCs pathway, catalyzing the conversion of 11β-dehydrocorticosterone to corticosterone in mice, with possible implications in neurodegenerative processes and cognitive impairment. Here, we determined the effect of a new 11β-HSD1 inhibitor, RL-118, administered to 12-month-old senescence-accelerated mouse-prone 8 (SAMP8) mice with neuropathological AD-like hallmarks and widely used as a rodent model of cognitive dysfunction. Behavioral tests (open field and object location) and neurodegeneration molecular markers were studied. After RL-118 treatment, increased locomotor activity and cognitive performance were found. Likewise, we found changes in hippocampal autophagy markers such as Beclin1, LC3B, AMPKα, and mTOR, indicating a progression in the autophagy process. In line with autophagy increase, a diminution in phosphorylated tau species (Ser 396 and Ser 404) jointly with an increase in ADAM10 and sAPPα indicated that an improvement in removing the abnormal proteins by autophagy might be implicated in the neuroprotective role of the 11β-HSD1 inhibitor. In addition, gene expression of oxidative stress (OS) and inflammatory markers, such as Hmox1, Aldh2, Il-1β, and Ccl3, were reduced in old treated mice in comparison to that of the control group. Consistent with this, we further demonstrate a significant correlation with autophagy markers and cognitive improvement and significant inverse correlation with autophagy, OS, and neuroinflammation markers. We concluded that inhibition of 11β-HSD1 by RL-118 prevented neurodegenerative processes and cognitive decline, acting on autophagy process, being an additional neuroprotective mechanism not described previously.
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Ren HL, Lv CN, Xing Y, Geng Y, Zhang F, Bu W, Wang MW. Downregulated Nuclear Factor E2-Related Factor 2 (Nrf2) Aggravates Cognitive Impairments via Neuroinflammation and Synaptic Plasticity in the Senescence-Accelerated Mouse Prone 8 (SAMP8) Mouse: A Model of Accelerated Senescence. Med Sci Monit 2018; 24:1132-1144. [PMID: 29474348 PMCID: PMC5833362 DOI: 10.12659/msm.908954] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Background We observed the effects of nuclear factor E2-related factor 2 (Nrf2) downregulation via intrahippocampal injection of a lentiviral vector on cognition in senescence-accelerated mouse prone 8 (SAMP8) to investigate the role of the (Nrf2)/antioxidant response element (ARE) pathway in age-related changes. Material/Methods Control lentivirus and Nrf2-shRNA-lentivirus were separately injected into the hippocampus of 4-month-old SAMR1 and SAMP8 mice and then successfully downregulated Nrf2 expression in this brain region. Five months later, cognitive function tests, including the novel object test, the Morris water maze test, and the passive avoidance task were conducted. Glial fibrillary acidic protein (GFAP) and ionized calcium-binding adapter molecule 1 (Iba1) immunohistochemistry was performed to observe an inflammatory response. Presynaptic synapsin (SYN) were observed by immunofluorescence. We then determined the Nrf2-regulated, heme oxygenase-1 (HO-1), P65, postsynaptic density protein (PSD), and SYN protein levels. The ultrastructure of neurons and synapses in the hippocampal CA1 region was observed by transmission electron microscopy. Results Aging led to a decline in cognitive function compared with SAMR1 mice and the Nrf2-shRNA-lentivirus further exacerbated the cognitive impairment in SAMP8 mice. Nrf2, HO-1, PSD, and SYN levels were significantly reduced (all P<0.05) but high levels of inflammation were detected in SAMP8 mice with low expression of Nrf2. Furthermore, neurons were vacuolated, the number of organelles decreased, and the number of synapses decreased. Conclusions Downregulation of Nrf2 suppressed the Nrf2/ARE pathway, activated oxidative stress and neuroinflammation, and accelerated cognitive impairment in SAMP8 mice. Downregulation of Nrf2 accelerates the aging process through neuroinflammation and synaptic plasticity.
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Affiliation(s)
- Hui Ling Ren
- Department of Neurology, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Chao Nan Lv
- Department of Neurology, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland).,Brain Aging and Cognitive Neuroscience Key Laboratory of Hebei, Shijiazhuang, Hebei, China (mainland)
| | - Ying Xing
- Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Yuan Geng
- Department of Neurology, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland).,Brain Aging and Cognitive Neuroscience Key Laboratory of Hebei, Shijiazhuang, Hebei, China (mainland)
| | - Feng Zhang
- Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Wei Bu
- Department of Neurosurgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Ming Wei Wang
- Department of Neurology, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland).,Brain Aging and Cognitive Neuroscience Key Laboratory of Hebei, Shijiazhuang, Hebei, China (mainland)
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Leiva R, Griñan-Ferré C, Seira C, Valverde E, McBride A, Binnie M, Pérez B, Luque FJ, Pallàs M, Bidon-Chanal A, Webster SP, Vázquez S. Design, synthesis and in vivo study of novel pyrrolidine-based 11β-HSD1 inhibitors for age-related cognitive dysfunction. Eur J Med Chem 2017; 139:412-428. [PMID: 28818766 DOI: 10.1016/j.ejmech.2017.08.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 07/30/2017] [Accepted: 08/02/2017] [Indexed: 12/29/2022]
Abstract
Recent findings suggest that treatment with 11β-HSD1 inhibitors provides a novel approach to deal with age-related cognitive dysfunctions, including Alzheimer's disease. In this work we report potent 11β-HSD1 inhibitors featuring unexplored pyrrolidine-based polycyclic substituents. A selected candidate administered to 12-month-old SAMP8 mice for four weeks prevented memory deficits and displayed a neuroprotective action. This is the first time that 11β-HSD1 inhibitors have been studied in this broadly-used mouse model of accelerated senescence and late-onset Alzheimer's disease.
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Affiliation(s)
- Rosana Leiva
- Laboratori de Química Farmacèutica (Unitat Associada al CSIC), Facultat de Farmàcia i Cienciès de l'Alimentació, and Institute of Biomedicine (IBUB), Universitat de Barcelona, Av. Joan XXIII 27-31, Barcelona E-08028, Spain
| | - Christian Griñan-Ferré
- Unitat de Farmacologia, Farmacognòsia i Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació i Institut de Neurociències, Universitat de Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain; Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - Constantí Seira
- Department of Nutrition, Food Science and Gastronomy, Faculty of Pharmacy and Institute of Biomedicine (IBUB), Universitat de Barcelona, Av. Prat de la Riba 171, Santa Coloma de Gramenet E-08921, Spain
| | - Elena Valverde
- Laboratori de Química Farmacèutica (Unitat Associada al CSIC), Facultat de Farmàcia i Cienciès de l'Alimentació, and Institute of Biomedicine (IBUB), Universitat de Barcelona, Av. Joan XXIII 27-31, Barcelona E-08028, Spain
| | - Andrew McBride
- Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute, EH16 4TJ, United Kingdom
| | - Margaret Binnie
- Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute, EH16 4TJ, United Kingdom
| | - Belén Pérez
- Departament de Farmacologia, Terapèutica i Toxicologia, Universitat Autònoma de Barcelona, Bellaterra, Barcelona 08193, Spain
| | - F Javier Luque
- Department of Nutrition, Food Science and Gastronomy, Faculty of Pharmacy and Institute of Biomedicine (IBUB), Universitat de Barcelona, Av. Prat de la Riba 171, Santa Coloma de Gramenet E-08921, Spain
| | - Mercè Pallàs
- Unitat de Farmacologia, Farmacognòsia i Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació i Institut de Neurociències, Universitat de Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain; Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - Axel Bidon-Chanal
- Department of Nutrition, Food Science and Gastronomy, Faculty of Pharmacy and Institute of Biomedicine (IBUB), Universitat de Barcelona, Av. Prat de la Riba 171, Santa Coloma de Gramenet E-08921, Spain
| | - Scott P Webster
- Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute, EH16 4TJ, United Kingdom.
| | - Santiago Vázquez
- Laboratori de Química Farmacèutica (Unitat Associada al CSIC), Facultat de Farmàcia i Cienciès de l'Alimentació, and Institute of Biomedicine (IBUB), Universitat de Barcelona, Av. Joan XXIII 27-31, Barcelona E-08028, Spain.
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Abstract
Brain inflammaging is increasingly considered as contributing to age-related cognitive loss and neurodegeneration. Despite intensive research in multiple models, no clinically effective pharmacological treatment has been found yet. Here, in the mouse model of brain senescence SAMP8, we tested the effects of proinsulin, a promising neuroprotective agent that was previously proven to be effective in mouse models of retinal neurodegeneration. Proinsulin is the precursor of the hormone insulin but also upholds developmental physiological effects, particularly as a survival factor for neural cells. Adeno-associated viral vectors of serotype 1 bearing the human proinsulin gene were administered intramuscularly to obtain a sustained release of proinsulin into the blood stream, which was able to reach the target area of the hippocampus. SAMP8 mice and the control strain SAMR1 were treated at 1 month of age. At 6 months, behavioral testing exhibited cognitive loss in SAMP8 mice treated with the null vector. Remarkably, the cognitive performance achieved in spatial and recognition tasks by SAMP8 mice treated with proinsulin was similar to that of SAMR1 mice. In the hippocampus, proinsulin induced the activation of neuroprotective pathways and the downstream signaling cascade, leading to the decrease of neuroinflammatory markers. Furthermore, the decrease of astrocyte reactivity was a central effect, as demonstrated in the connectome network of changes induced by proinsulin. Therefore, the neuroprotective effects of human proinsulin unveil a new pharmacological potential therapy in the fight against cognitive loss in the elderly.
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Luo B, Zhao L, Zhang X, Kan B, Liu Y, Jia Y, Han J, Yu J. Acupuncture upregulates G protein coupled activity in SAMP8 mice. Acupunct Med 2017; 35:289-296. [PMID: 28450287 DOI: 10.1136/acupmed-2016-011139] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/30/2016] [Indexed: 11/04/2022]
Abstract
BACKGROUND Transmembrane and intracellular signal transduction of G protein is closely related to the pathophysiology of Alzheimer's disease (AD). OBJECTIVE To explore the effects of Sanjiao acupuncture on G protein signal transduction pathways in the pathogenesis of AD. METHODS 36 senescence-accelerated (SAM) prone 8 mice were divided into three groups that remained untreated (SAMP8, n=12) or received Sanjiao acupuncture (SAMP8+SA, n=12) or control acupuncture (SAMP8+CA, n=12). An additional control group of SAM resistant 1 mice was included (SAMR1 group, n=12). Morris water maze tests were used to investigate learning and memory abilities. Immunoprecipitation and Western blotting were used to study expression of G protein subunits and their activities in the cortex/hippocampus. RESULTS Behavioural analysis showed that acupuncture attenuated the severe cognitive deficits observed in untreated/CA-treated SAMP8 mice. The findings of the G protein activation assays via immunoprecipitation and Western blots were that the physiologically coupled activation rate (PCAR) and maximal coupled activation rate (MCAR) of Gαs and Gαi were decreased in the cortex of SAMP8 vs SAMR1 mice. Sanjiao acupuncture induced an upregulation in the PCAR of Gαs and Gαi. In the hippocampus of untreated SAMP8 mice, the PCAR of Gαs and MCAR of both Gαs and Gαi declined, and Sanjiao acupuncture was associated with an upregulation in the MCAR of Gαs and Gαi. There were no significant differences in Gαs and Gαi expression between the groups. CONCLUSIONS Sanjiao acupuncture attenuates cognitive deficits in a mouse model of AD via upregulation of G protein activity and stabilisation of the cellular signal.
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Affiliation(s)
- Benhua Luo
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Guangxi University of Traditional Chinese Medicine, Nanning, China.,Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Lan Zhao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Acupuncture and Moxibustion, Tianjin, China
| | - Xuezhu Zhang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Acupuncture and Moxibustion, Tianjin, China
| | - Bohong Kan
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Acupuncture and Moxibustion, Tianjin, China
| | - Yunhe Liu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yujie Jia
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Acupuncture and Moxibustion, Tianjin, China
| | - Jingxian Han
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jianchun Yu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
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Akiguchi I, Pallàs M, Budka H, Akiyama H, Ueno M, Han J, Yagi H, Nishikawa T, Chiba Y, Sugiyama H, Takahashi R, Unno K, Higuchi K, Hosokawa M. SAMP8 mice as a neuropathological model of accelerated brain aging and dementia: Toshio Takeda's legacy and future directions. Neuropathology 2017; 37:293-305. [PMID: 28261874 DOI: 10.1111/neup.12373] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Revised: 01/23/2017] [Accepted: 01/24/2017] [Indexed: 12/14/2022]
Abstract
Senescence accelerated mice P8 (SAMP8) show significant age-related deteriorations in memory and learning ability in accordance with early onset and rapid advancement of senescence. Brains of SAMP8 mice reveal an age-associated increase of PAS-positive granular structures in the hippocampal formation and astrogliosis in the brain stem and hippocampus. A spongy degeneration in the brain stem appears at 1 month of age and reaches a maximum at 4-8 months. In addition, clusters of activated microglia also appear around the vacuoles in the brain stem. β/A4(Aβ) protein-like immunoreactive granular structures are observed in various regions and increase in number markedly with age. Other age-associated histological changes include cortical atrophy, neuronal cell loss in locus coeruleus and lateral tegmental nuclei, intraneuronal accumulation of lipopigments in Purkinje cells and eosinophilic inclusion bodies in thalamic neurons. A blood-brain barrier dysfunction and astrogliosis are also prominent with advancing age in the hippocampus. These changes are generally similar to the pathomorphology of aging human brains and characterized by their association with some specific glioneuronal reactions. As for the hallmarks of Alzheimer brains, tau morphology has not yet been confirmed regardless of the age-related increase in phosphorylated tau in SAMP8 mice brains, but early age-related Aβ deposition in the hippocampus has recently been published. SAMP8 mice are, therefore, not only a senescence-accelerated model but also a promising model for Alzheimer's disease and other cognitive disorders.
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Affiliation(s)
- Ichiro Akiguchi
- Center of Neurological and Cerebrovascular Diseases, Koseikai Takeda Hospital, Kyoto, Japan.,Department of Health Science, Kyoto Koka Women's University, Kyoto, Japan
| | - Mercè Pallàs
- Pharmacology Section and Institute of Neuroscience, University of Barcelona, Barcelona, Spain
| | - Herbert Budka
- Institute of Neuropathology, University Hospital Zurich, Zurich, Switzerland
| | - Haruhiko Akiyama
- Department of Clinical Research, Yokohama Brain and Spine Center, Yokohama, Japan
| | - Masaki Ueno
- Department of Pathology and Host Defence, Faculty of Medicine, Kagawa University, Takamatsu, Japan
| | - Jingxian Han
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Hideo Yagi
- Center of Neurological and Cerebrovascular Diseases, Koseikai Takeda Hospital, Kyoto, Japan
| | - Tomohumi Nishikawa
- Department of Health Science, Kyoto Koka Women's University, Kyoto, Japan
| | - Yoichi Chiba
- Department of Pathology and Host Defence, Faculty of Medicine, Kagawa University, Takamatsu, Japan
| | | | - Ryoya Takahashi
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Toho University, Chiba, Japan
| | - Keiko Unno
- School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Keiichi Higuchi
- Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Matsumoto, Japan
| | - Masanori Hosokawa
- Institute for Developmental Research, Aichi Human Service Center, Nagoya, Japan
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