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Gong Y, Luo H, Li Z, Feng Y, Liu Z, Chang J. Metabolic Profile of Alzheimer's Disease: Is 10-Hydroxy-2-decenoic Acid a Pertinent Metabolic Adjuster? Metabolites 2023; 13:954. [PMID: 37623897 PMCID: PMC10456792 DOI: 10.3390/metabo13080954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/12/2023] [Accepted: 08/17/2023] [Indexed: 08/26/2023] Open
Abstract
Alzheimer's disease (AD) represents a significant public health concern in modern society. Metabolic syndrome (MetS), which includes diabetes mellitus (DM) and obesity, represents a modifiable risk factor for AD. MetS and AD are interconnected through various mechanisms, such as mitochondrial dysfunction, oxidative stress, insulin resistance (IR), vascular impairment, inflammation, and endoplasmic reticulum (ER) stress. Therefore, it is necessary to seek a multi-targeted and safer approach to intervention. Thus, 10-hydroxy-2-decenoic acid (10-HDA), a unique hydroxy fatty acid in royal jelly, has shown promising anti-neuroinflammatory, blood-brain barrier (BBB)-preserving, and neurogenesis-promoting properties. In this paper, we provide a summary of the relationship between MetS and AD, together with an introduction to 10-HDA as a potential intervention nutrient. In addition, molecular docking is performed to explore the metabolic tuning properties of 10-HDA with associated macromolecules such as GLP-1R, PPARs, GSK-3, and TREM2. In conclusion, there is a close relationship between AD and MetS, and 10-HDA shows potential as a beneficial nutritional intervention for both AD and MetS.
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Affiliation(s)
| | | | | | | | | | - Jie Chang
- Department of Occupational and Environmental Health, School of Public Health, Soochow University, 199 Ren’ai Road, Suzhou 215123, China; (Y.G.)
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Findley CA, McFadden SA, Cox MF, Sime LN, Peck MR, Quinn K, Bartke A, Hascup KN, Hascup ER. Prodromal Glutamatergic Modulation with Riluzole Impacts Glucose Homeostasis and Spatial Cognition in Alzheimer's Disease Mice. J Alzheimers Dis 2023; 94:371-392. [PMID: 37248899 PMCID: PMC10357216 DOI: 10.3233/jad-221245] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2023] [Indexed: 05/31/2023]
Abstract
BACKGROUND Prior research supports a strong link between Alzheimer's disease (AD) and metabolic dysfunction that involves a multi-directional interaction between glucose, glutamatergic homeostasis, and amyloid pathology. Elevated soluble amyloid-β (Aβ) is an early biomarker for AD-associated cognitive decline that contributes to concurrent glutamatergic and metabolic dyshomeostasis in humans and male transgenic AD mice. Yet, it remains unclear how primary time-sensitive targeting of hippocampal glutamatergic activity may impact glucose regulation in an amyloidogenic mouse model. Previous studies have illustrated increased glucose uptake and metabolism using a neuroprotective glutamate modulator (riluzole), supporting the link between glucose and glutamatergic homeostasis. OBJECTIVE We hypothesized that targeting early glutamatergic hyperexcitation through riluzole treatment could aid in attenuating co-occurring metabolic and amyloidogenic pathologies with the intent of ameliorating cognitive decline. METHODS We conducted an early intervention study in male and female transgenic (AβPP/PS1) and knock-in (APPNL - F/NL - F) AD mice to assess the on- and off-treatment effects of prodromal glutamatergic modulation (2-6 months of age) on glucose homeostasis and spatial cognition through riluzole treatment. RESULTS Results indicated a sex- and genotype-specific effect on glucose homeostasis and spatial cognition with riluzole intervention that evolved with disease progression and time since treatment. CONCLUSION These findings support the interconnected nature of glucose and glutamatergic homeostasis with amyloid pathology and petition for further investigation into the targeting of this relationship to improve cognitive performance.
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Affiliation(s)
- Caleigh A. Findley
- Neuroscience Institute, Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Southern Illinois University School of Medicine, Springfield, IL, USA
- Departments of Pharmacology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Samuel A. McFadden
- Neuroscience Institute, Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - MaKayla F. Cox
- Neuroscience Institute, Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Lindsey N. Sime
- Neuroscience Institute, Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Mackenzie R. Peck
- Neuroscience Institute, Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Kathleen Quinn
- Neuroscience Institute, Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Andrzej Bartke
- Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine, Springfield, IL, USA
- Department of Internal Medicine, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Kevin N. Hascup
- Neuroscience Institute, Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Southern Illinois University School of Medicine, Springfield, IL, USA
- Departments of Pharmacology, Southern Illinois University School of Medicine, Springfield, IL, USA
- Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Erin R. Hascup
- Neuroscience Institute, Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Southern Illinois University School of Medicine, Springfield, IL, USA
- Departments of Pharmacology, Southern Illinois University School of Medicine, Springfield, IL, USA
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Huanglian Jiedu decoction remodels the periphery microenvironment to inhibit Alzheimer's disease progression based on the "brain-gut" axis through multiple integrated omics. ALZHEIMERS RESEARCH & THERAPY 2021; 13:44. [PMID: 33579351 PMCID: PMC7881564 DOI: 10.1186/s13195-021-00779-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 01/25/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND In recent years, excellent results have suggested an association between the "brain-gut" axis and Alzheimer's disease (AD) progression, yet the role of the "brain-gut" axis in AD pathogenesis still remains obscure. Herein, we provided a potential link between the central and peripheral neuroinflammatory disorders in AD progression. METHODS The Morris water maze (MWM) test, immunohistochemistry, ELISA, ProcartaPlex Multiplex immunoassay, multiple LC-MS/MS methods, and the V3-V4 regions of 16S rRNA genes were applied to explore potential biomarkers. RESULTS In Tg-APP/PS1 mice, gut dysbiosis and lipid metabolism were highly associated with AD-like neuroinflammation. The combination of inflammatory factors (IL-6 and INF-γ), phosphatidylcholines (PCs) and SCFA-producing bacteria were expected to be early diagnostic biomarkers for AD. Huanglian Jiedu decoction (HLJDD) suppressed gut dysbiosis and the associated Aβ accumulation, harnessed neuroinflammation and reversed cognitive impairment. CONCLUSION Together, our findings highlighted the roles of neuroinflammation induced by gut dysbiosis and lipid metabolism disorder in AD progression. This integrated metabolomics approach showed its potential to understand the complex mechanisms of HLJDD in the treatment of AD.
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Santos G, Borges JMP, Avila-Rodriguez M, Gaíno SB, Barreto GE, Rúbio ÉP, Aguiar RM, Galembeck E, Bromochenkel CB, de Oliveira DM. Copper and Neurotoxicity in Autism Spectrum Disorder. Curr Pharm Des 2019; 25:4747-4754. [PMID: 31845627 DOI: 10.2174/1381612825666191217091939] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 12/08/2019] [Indexed: 12/23/2022]
Abstract
Free radicals (FR) act on living organisms and present unpaired electrons in the molecular orbitals of oxygen or nitrogen species. They are classified as redox reactions and account for a wide range of processes in biological systems. Genetic and environmental factors may alter the levels of FR in the cell, leading to deleterious consequences such as membrane lipid peroxidation, protein nitration, enzyme, carbohydrate and DNA damage, ultimately resulting in premature aging and a pro-inflammatory microenvironment as observed in Alzheimer's disease (AD) and autism spectrum disorder (ASD). O2 radical ability to act as a Lewis base and to form a complex with metal transition such as iron and copper (Lewis acids) leads to biomolecules oxidation at physiological pH, thus increasing the possibility of injury and oxidative damage in biological tissues. In this review, we discuss the role of metals, like copper, and the amyloid precursor protein (APP) derivative (s-APP-alpha) as an antioxidant and a possible adjuvant in the treatment of some autistic spectrum disorder symptoms (ASD).
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Affiliation(s)
- Gesivaldo Santos
- Department of Biological Science, State University of Southwestern of Bahia, Bahia, Brazil
| | - Julita M P Borges
- Department of Science and Technology, State University of Southwestern of Bahia, Bahia, Brazil
| | | | | | - George E Barreto
- Department of Biological Sciences, University of Limerick, Limerick, Ireland
| | - Érika P Rúbio
- Department of Science and Technology, State University of Southwestern of Bahia, Bahia, Brazil
| | - Rosane M Aguiar
- Department of Science and Technology, State University of Southwestern of Bahia, Bahia, Brazil
| | - Eduardo Galembeck
- Institute of Biology, State University of Campinas-São Paulo, São Paulo, Brazil
| | | | - Djalma M de Oliveira
- Department of Science and Technology, State University of Southwestern of Bahia, Bahia, Brazil
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