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Melgar-Locatelli S, Mañas-Padilla MC, Castro-Zavala A, Rivera P, Del Carmen Razola-Díaz M, Monje FJ, Rodríguez-Pérez C, Castilla-Ortega E. Diet enriched with high-phenolic cocoa potentiates hippocampal brain-derived neurotrophic factor expression and neurogenesis in healthy adult micewith subtle effects on memory. Food Funct 2024. [PMID: 39069830 DOI: 10.1039/d4fo01201a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Cocoa is widely known for its health benefits, but its neurocognitive impact remains underexplored. This preclinical study aimed to investigate the effects of cocoa and cocoa polyphenols on hippocampal neuroplasticity, cognitive function and emotional behavior. Seventy young-adult C57BL/6JRj male and female mice were fed either a standard diet (CTR) or a diet enriched with 10% high-phenolic content cocoa (HPC) or low-phenolic content cocoa (LPC) for at least four weeks. In a first experiment, behavioral tests assessing exploratory behavior, emotional responses and hippocampal-dependent memory were conducted four weeks into the diet, followed by animal sacrifice a week later. Adult hippocampal neurogenesis and brain-derived neurotrophic factor (BDNF) expression in the hippocampus and prefrontal cortex were evaluated using immunohistochemistry and western blot. In a different experiment, hippocampal synaptic response, long-term potentiation and presynaptic-dependent short-term plasticity were studied by electrophysiology. Cocoa-enriched diets had minimal effects on exploratory activity and anxiety-like behavior, except for reduced locomotion in the LPC group. Only the HPC diet enhanced object recognition memory, while place recognition memory and spatial navigation remained unaffected. The HPC diet also increased adult hippocampal neurogenesis, boosting the proliferation, survival and number of young adult-born neurons. However, both cocoa-enriched diets increased immobility in the forced swimming test and hippocampal BDNF expression. Hippocampal electrophysiology revealed no alterations in neuroplasticity among diets. The results were mostly unaffected by sex. Overall, the HPC diet demonstrated greater potential regarding cognitive and neuroplastic benefits, suggesting a key role of cocoa flavanols in dietary interventions aimed at enhancing brain health.
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Affiliation(s)
- Sonia Melgar-Locatelli
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain
- Departamento de Nutrición y Bromatología, Universidad de Granada, Campus Universitario de Cartuja, Spain
| | - M Carmen Mañas-Padilla
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain
- Universidad Internacional de la Rioja (UNIR), Spain
| | - Adriana Castro-Zavala
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain
| | - Patricia Rivera
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain
- Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Spain
| | - María Del Carmen Razola-Díaz
- Departamento de Nutrición y Bromatología, Universidad de Granada, Campus Universitario de Cartuja, Spain
- Instituto de Nutrición y Tecnología de los Alimentos 'José Mataix' (INYTA), Universidad de Granada, Granada, Spain
| | - Francisco J Monje
- Center for Physiology and Pharmacology, Department of Neurophysiology and Neuropharma-cology, Medical University of Vienna, 1090 Vienna, Austria
| | - Celia Rodríguez-Pérez
- Departamento de Nutrición y Bromatología, Universidad de Granada, Campus Universitario de Cartuja, Spain
- Instituto de Nutrición y Tecnología de los Alimentos 'José Mataix' (INYTA), Universidad de Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012, Granada, Spain
| | - Estela Castilla-Ortega
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain
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Li X, Yu X, Yu F, Fu C, Zhao W, Liu X, Dai C, Gao H, Cheng M, Li B. D-pinitol alleviates diabetic cardiomyopathy by inhibiting the optineurin-mediated endoplasmic reticulum stress and glycophagy signaling pathway. Phytother Res 2024; 38:1681-1694. [PMID: 38311336 DOI: 10.1002/ptr.8134] [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: 09/22/2023] [Revised: 01/08/2024] [Accepted: 01/11/2024] [Indexed: 02/10/2024]
Abstract
Diabetic cardiomyopathy (DCM) is an important complication resulting in heart failure and death of diabetic patients. However, there is no effective drug for treatments. This study investigated the effect of D-pinitol (DP) on cardiac injury using diabetic mice and glycosylation injury of cardiomyocytes and its molecular mechanisms. We established the streptozotocin-induced SAMR1 and SAMP8 mice and DP (150 mg/kg/day) intragastrically and advanced glycation end-products (AGEs)-induced H9C2 cells. H9C2 cells were transfected with optineurin (OPTN) siRNA and overexpression plasmids. The metabolic disorder indices, cardiac dysfunction, histopathology, immunofluorescence, western blot, and immunoprecipitation were investigated. Our results showed that DP reduced the blood glucose and AGEs, and increased the expression of heart OPTN in diabetic mice and H9C2 cells, thereby inhibiting the endoplasmic reticulum stress (GRP78, CHOP) and glycophagy (STBD1, GABARAPL1), and alleviating the myocardial apoptosis and fibrosis of DCM. The expression of filamin A as an interaction protein of OPTN downregulated by AGEs decreased OPTN abundance. Moreover, OPTN siRNA increased the expression of GRP78, CHOP, STBD1, and GABARAPL1 and inhibited the expression of GAA via GSK3β phosphorylation and FoxO1. DP may be helpful to treat the onset of DCM. Targeting OPTN with DP could be translated into clinical application in the fighting against DCM.
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Affiliation(s)
- Xiaoli Li
- Department of Pharmacy, Qilu Hospital of Shandong University, Jinan, China
| | - Xin Yu
- Department of Geriatric Medicine, Qilu Hospital of Shandong University, Jinan, China
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Jinan Clinical Research Center for Geriatric Medicine (202132001), Jinan, China
| | - Fei Yu
- Department of Geriatric Medicine, Qilu Hospital of Shandong University, Jinan, China
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Jinan Clinical Research Center for Geriatric Medicine (202132001), Jinan, China
| | - Chunli Fu
- Department of Geriatric Medicine, Qilu Hospital of Shandong University, Jinan, China
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Jinan Clinical Research Center for Geriatric Medicine (202132001), Jinan, China
| | - Wenqian Zhao
- Department of Geriatric Medicine, Qilu Hospital of Shandong University, Jinan, China
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Jinan Clinical Research Center for Geriatric Medicine (202132001), Jinan, China
| | - Xiaosong Liu
- Department of Geriatric Medicine, Qilu Hospital of Shandong University, Jinan, China
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Jinan Clinical Research Center for Geriatric Medicine (202132001), Jinan, China
| | - Chaochao Dai
- Department of Geriatric Medicine, Qilu Hospital of Shandong University, Jinan, China
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Jinan Clinical Research Center for Geriatric Medicine (202132001), Jinan, China
| | - Haiqing Gao
- Department of Geriatric Medicine, Qilu Hospital of Shandong University, Jinan, China
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Jinan Clinical Research Center for Geriatric Medicine (202132001), Jinan, China
| | - Mei Cheng
- Department of Geriatric Medicine, Qilu Hospital of Shandong University, Jinan, China
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Jinan Clinical Research Center for Geriatric Medicine (202132001), Jinan, China
| | - Baoying Li
- Key Laboratory of Cardiovascular Proteomics of Shandong Province, Qilu Hospital of Shandong University, Jinan, China
- Health Management Center (East Area), Qilu Hospital of Shandong University, Jinan, China
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3
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Melgar-Locatelli S, Mañas-Padilla MC, Gavito AL, Rivera P, Rodríguez-Pérez C, Castilla-Ortega E, Castro-Zavala A. Sex-specific variations in spatial reference memory acquisition: Insights from a comprehensive behavioral test battery in C57BL/6JRj mice. Behav Brain Res 2024; 459:114806. [PMID: 38086456 DOI: 10.1016/j.bbr.2023.114806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/25/2023]
Abstract
Sex differences in declarative memory are described in humans, revealing a female or a male advantage depending on the task. Specifically, spatial memory (i.e., spatial navigation) is typically most efficient in men. This sexual dimorphism has been replicated in male rats but not clearly in mice. In this study, sex differences in spatial memory were assessed in thirty-six C57BL/6 J mice (Janvier Labs; i.e., C57BL/6JRj mice), a widely used mouse substrain. Both male and female mice (12 weeks-old) were subjected to standard behavioral paradigms: the elevated plus maze, the open field test, the novel object and place tests, the forced swimming test, and the water maze test for spatial navigation. Across assessment, no sex differences were found in measures of locomotor activity, emotional and behavioral responses, and object and place recognition memories. In the water maze, male mice were faster in learning the platform location in the reference memory training and used more spatial strategies during the first training days. However, both sexes reached a similar asymptotic performance and performed similarly in the probe trial for long-term memory consolidation. No sex differences were found in the cued training, platform inversion sessions, or spatial working memory sessions. Hippocampal expression of the brain-derived neurotrophic factor was similar in both sexes, either in basal conditions or after performing the behavioral training battery. Importantly, female mice were not more variable than males in any measure analyzed. This outcome encourages the investigation of sex differences in animal models and the usefulness of including female mice in behavioral research.
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Affiliation(s)
- Sonia Melgar-Locatelli
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain; Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain
| | - M Carmen Mañas-Padilla
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain; Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain
| | - Ana L Gavito
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain; Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Spain
| | - Patricia Rivera
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain; Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Spain
| | - Celia Rodríguez-Pérez
- Departamento de Nutrición y Bromatología, Universidad de Granada, Campus Universitario de Cartuja, Spain; Instituto de Nutrición y Tecnología de los Alimentos 'José Mataix', Universidad de Granada, Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
| | - Estela Castilla-Ortega
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain; Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain.
| | - Adriana Castro-Zavala
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Spain; Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Universidad de Málaga, Spain.
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4
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Medina-Vera D, López-Gambero AJ, Navarro JA, Sanjuan C, Baixeras E, Decara J, de Fonseca FR. Novel insights into D-Pinitol based therapies: a link between tau hyperphosphorylation and insulin resistance. Neural Regen Res 2024; 19:289-295. [PMID: 37488880 PMCID: PMC10503604 DOI: 10.4103/1673-5374.379015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/21/2023] [Accepted: 05/18/2023] [Indexed: 07/26/2023] Open
Abstract
Alzheimer's disease is a neurodegenerative disorder characterized by the amyloid accumulation in the brains of patients with Alzheimer's disease. The pathogenesis of Alzheimer's disease is mainly mediated by the phosphorylation and aggregation of tau protein. Among the multiple causes of tau hyperphosphorylation, brain insulin resistance has generated much attention, and inositols as insulin sensitizers, are currently considered candidates for drug development. The present narrative review revises the interactions between these three elements: Alzheimer's disease-tau-inositols, which can eventually identify targets for new disease modifiers capable of bringing hope to the millions of people affected by this devastating disease.
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Affiliation(s)
- Dina Medina-Vera
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, UGC Salud Mental, Málaga, Spain
- Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
- CIBER Enfermedades Cardiovasculares (CIBERCV), Hospital Universitario Virgen de la Victoria, UGC del Corazón, Málaga, Spain
| | - Antonio Jesús López-Gambero
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, UGC Salud Mental, Málaga, Spain
- Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
- University of Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | - Juan Antonio Navarro
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, UGC Salud Mental, Málaga, Spain
| | | | - Elena Baixeras
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
| | - Juan Decara
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, UGC Salud Mental, Málaga, Spain
| | - Fernando Rodríguez de Fonseca
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, UGC Salud Mental, Málaga, Spain
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5
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Zhang M, Xu Z, Shao L, Wang J, He Z, Jiang Y, Zhang Y, Wang H. D-pinitol ameliorated H 2O 2-induced oxidative damage in PC12 cells and prolonged the lifespan by IIS pathway in Caenorhabditis elegans. Comp Biochem Physiol C Toxicol Pharmacol 2023; 274:109755. [PMID: 37734471 DOI: 10.1016/j.cbpc.2023.109755] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/30/2023] [Accepted: 09/18/2023] [Indexed: 09/23/2023]
Abstract
D-pinitol (DP) has been extensively regarded as the main active component of legumes for anti-aging. In this study, we intended to explore the anti-aging mechanism of DP, utilizing computer modeling techniques. The results demonstrated that DP significantly delayed H2O2-induced cellular senescence. Model PC12 cells treated with DP exhibited increased cell viability, increased antioxidant enzyme activity (SOD, CAT), and reduced ROS and MDA levels. Furthermore, DP was discovered to have a positive effect on healthy longevity. In C. elegans, DP treatment enhanced lifespan, stress capacity, antioxidant capacity (T-SOD/CAT/GSH-Px/MDA/ROS), and altered aging-related indicators of lipofuscin accumulation, pharyngeal pump rate, motility, and reproduction. Moreover, DP could reduce the toxicity Aβ in transgenic C. elegans CL4176, CL2355, and CL2331. Further mechanistic studies indicated DP increased transcription factor (daf-16, skn-1, hsf-1) expression of insulin/insulin-like growth factor-1 signaling (IIS) pathway. As expected, DP also extended the downstream target genes of the three transcription factors (sod-3, ctl-1, ctl-2, gst-4, hsp-16.1, and hsp-16.2). Further mutant lifespan experiments, network pharmacology, and molecular docking revealed that DP might be life-extending through the IIS pathway. DP deserves extensive investigation and development as a potential anti-aging drug in the future.
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Affiliation(s)
- Miaosi Zhang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin 300457, China
| | - Zhe Xu
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin 300457, China
| | - Liangyong Shao
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin 300457, China
| | - Jilite Wang
- Department of Agriculture, Hetao College, Inner Mongolia Bayannur, China
| | - Zouyan He
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning 530021, Guangxi, China.
| | - Yumei Jiang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin 300457, China.
| | - Ye Zhang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin 300457, China.
| | - Hao Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin 300457, China.
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Kang WC, Park K, Kong CH, Kim DY, Lee YS, Jeon M, Kim MS, Jung SY, Hong J, Choi JH, Ryu JH. D-Pinitol attenuates postmenopausal symptoms in ovariectomized mice. Life Sci 2023; 333:122147. [PMID: 37802198 DOI: 10.1016/j.lfs.2023.122147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/27/2023] [Accepted: 10/03/2023] [Indexed: 10/08/2023]
Abstract
AIMS Menopause is a natural process in women that can lead to post-menopausal syndrome with symptoms such as hot flushes, weight gain, anxiety, cognitive decline, and depression. Hormonal replacement therapy is commonly prescribed. However, it has serious adverse effects. Herbal medicinal products and isoflavones are used as alternatives. D-Pinitol found in Pinaceae and Fabaceae families has anti-inflammatory and antioxidant effects. However, it has not received as much attention as isoflavones. In this study, we investigated whether D-pinitol could alleviate post-menopausal symptoms using an ovariectomized (OVX) mouse model. MAIN METHODS Female ICR mice were divided into six groups: sham (vehicle), OVX (vehicle), OVX + D-pinitol (10, 30, 100 mg/kg, p.o.), and OVX + estradiol (0.5 mg/kg, s.c.). Treatment with vehicle, D-pinitol, and estradiol began at seven weeks post ovariectomy. We employed several behavioral tests, hot-flush test, and Western blot analysis. KEY FINDINGS We found that D-pinitol treatment (30, 100 mg/kg, p.o.) reversed cognitive dysfunction in OVX mice (novel object recognition and Y-maze test). Additionally, D-pinitol alleviated anxiety-like behaviors (elevated plus-maze) and reversed depressive-like behaviors (splash test, tail suspension test). It also normalized increased basal tail skin temperature in OVX mice. Moreover, D-pinitol administration reversed decreased expression of ERβ and synaptophysin and phosphorylation of ERK and PI3K-Akt-GSK-3β induced by OVX in the hippocampus and prefrontal cortex. SIGNIFICANCE These findings indicate that D-pinitol might be a promising candidate for treating post-menopausal symptoms by increasing ERβ and synaptophysin expression levels and activation of ERK or PI3K-Akt-GSK-3β signaling pathway, at least in part.
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Affiliation(s)
- Woo Chang Kang
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Keontae Park
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Chang Hyeon Kong
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Do Yeon Kim
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yong Seung Lee
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mijin Jeon
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Min Seo Kim
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Seo Yun Jung
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jongki Hong
- College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jung Hye Choi
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Oriental Pharmaceutical Science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jong Hoon Ryu
- Department of Biomedical and Pharmaceutical science, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Oriental Pharmaceutical Science, Kyung Hee University, Seoul 02447, Republic of Korea.
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7
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Medina-Vera D, Zambrana-Infantes EN, López-Gambero AJ, Verheul-Campos J, Santín LJ, Baixeras E, Suarez J, Pavon FJ, Rosell-Valle C, de Fonseca FR. Transcending the amyloid-beta dominance paradigm in Alzheimer's disease: An exploration of behavioural, metabolic, and gut microbiota phenotypes in 5xFAD mice. Neurobiol Dis 2023; 187:106295. [PMID: 37717663 DOI: 10.1016/j.nbd.2023.106295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/18/2023] [Accepted: 09/13/2023] [Indexed: 09/19/2023] Open
Abstract
The amyloid cascade hypothesis is widely accepted as an explanation for the neuropathological changes in Alzheimer's disease (AD). However, the role of amyloid-beta (Aβ) as the sole cause of these changes is being questioned. Using the 5xFAD mouse model of AD, we investigated various factors contributing to neuropathology, including genetic load (heterozygous (HTZ) versus homozygous (HZ) condition), behavioural phenotype, neuropathology markers, metabolic physiology, and gut microbiota composition at early (5 months of age) and late (12 months of age) stages of disease onset, and considering both sexes. At 5 months of age, both HTZ and HZ mice exhibited hippocampal alterations associated with Aβ accumulation, leading to increased neuroinflammation and disrupted PI3K-Akt pathway. However, only HZ mice showed cognitive impairment in the Y-maze and Morris water maze tests, worsening with age. Dysregulation of both insulin and insulin secretion-regulating GIP peptide were observed at 5 months of age, disappearing later. Circulating levels of metabolic-regulating hormones, such as Ghrelin and resisting helped to differentiates HTZ mice from HZ mice. Differences between HTZ and HZ mice were also observed in gut microbiota composition, disrupted intestinal barrier proteins, and increased proinflammatory products in the intestine. These findings suggest that cognitive impairment in 5xFAD mice may not solely result from Aβ aggregation. Other factors, including altered PI3K-Akt signalling, disrupted insulin-linked metabolic pathways, and changes in gut microbiota, contribute to disease progression. Targeting Aβ deposition alone may not suffice. Understanding AD pathogenesis and its multiple contributing factors is vital for effective therapies.
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Affiliation(s)
- Dina Medina-Vera
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA, Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; Facultad de Ciencias, Campus de Teatinos s/n, Universidad de Málaga, 29010 Málaga, Spain; Facultad de Medicina, Campus de Teatinos s/n, Universidad de Málaga, 29010 Málaga, Spain; Unidad de Gestión Clínica del Corazón-CIBERCV (Enfermedades Cardiovasculares), Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Emma N Zambrana-Infantes
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Facultad de Psicología, Universidad de Málaga, 29010 Málaga, Spain
| | - Antonio J López-Gambero
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA, Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; University of Bordeaux, INSERM, Neurocentre Magendie, U1215, 33000 Bordeaux, France
| | - Julia Verheul-Campos
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA, Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain
| | - Luis J Santín
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Facultad de Psicología, Universidad de Málaga, 29010 Málaga, Spain
| | - Elena Baixeras
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain
| | - Juan Suarez
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA, Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; Departamento de Anatomía Humana, Medicina Legal e Historia de la Ciencia, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain
| | - Francisco J Pavon
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA, Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; Unidad de Gestión Clínica del Corazón-CIBERCV (Enfermedades Cardiovasculares), Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Cristina Rosell-Valle
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA, Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain.
| | - Fernando Rodríguez de Fonseca
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA, Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain.
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Husain KH, Sarhan SF, AlKhalifa HKAA, Buhasan A, Moin ASM, Butler AE. Dementia in Diabetes: The Role of Hypoglycemia. Int J Mol Sci 2023; 24:9846. [PMID: 37372995 DOI: 10.3390/ijms24129846] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Hypoglycemia, a common consequence of diabetes treatment, is associated with severe morbidity and mortality and has become a major barrier to intensifying antidiabetic therapy. Severe hypoglycemia, defined as abnormally low blood glucose requiring the assistance of another person, is associated with seizures and comas, but even mild hypoglycemia can cause troubling symptoms such as anxiety, palpitations, and confusion. Dementia generally refers to the loss of memory, language, problem-solving, and other cognitive functions, which can interfere with daily life, and there is growing evidence that diabetes is associated with an increased risk of both vascular and non-vascular dementia. Neuroglycopenia resulting from a hypoglycemic episode in diabetic patients can lead to the degeneration of brain cells, with a resultant cognitive decline, leading to dementia. In light of new evidence, a deeper understating of the relationship between hypoglycemia and dementia can help to inform and guide preventative strategies. In this review, we discuss the epidemiology of dementia among patients with diabetes, and the emerging mechanisms thought to underlie the association between hypoglycemia and dementia. Furthermore, we discuss the risks of various pharmacological therapies, emerging therapies to combat hypoglycemia-induced dementia, as well as risk minimization strategies.
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Affiliation(s)
- Khaled Hameed Husain
- School of Medicine, Royal College of Surgeons in Ireland, Busaiteen, Adliya 15503, Bahrain
| | - Saud Faisal Sarhan
- School of Medicine, Royal College of Surgeons in Ireland, Busaiteen, Adliya 15503, Bahrain
| | | | - Asal Buhasan
- School of Medicine, Royal College of Surgeons in Ireland, Busaiteen, Adliya 15503, Bahrain
| | - Abu Saleh Md Moin
- Research Department, Royal College of Surgeons in Ireland, Busaiteen, Adliya 15503, Bahrain
| | - Alexandra E Butler
- Research Department, Royal College of Surgeons in Ireland, Busaiteen, Adliya 15503, Bahrain
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Derkaczew M, Martyniuk P, Osowski A, Wojtkiewicz J. Cyclitols: From Basic Understanding to Their Association with Neurodegeneration. Nutrients 2023; 15:2029. [PMID: 37432155 DOI: 10.3390/nu15092029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 07/12/2023] Open
Abstract
One of the most common cyclitols found in eukaryotic cells-Myo-inositol (MI) and its derivatives play a key role in many cellular processes such as ion channel physiology, signal transduction, phosphate storage, cell wall formation, membrane biogenesis and osmoregulation. The aim of this paper is to characterize the possibility of neurodegenerative disorders treatment using MI and the research of other therapeutic methods linked to MI's derivatives. Based on the reviewed literature the researchers focus on the most common neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, Huntington's disease and Spinocerebellar ataxias, but there are also works describing other seldom encountered diseases. The use of MI, d-pinitol and other methods altering MI's metabolism, although research on this topic has been conducted for years, still needs much closer examination. The dietary supplementation of MI shows a promising effect on the treatment of neurodegenerative disorders and can be of great help in alleviating the accompanying depressive symptoms.
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Affiliation(s)
- Maria Derkaczew
- Department of Human Physiology and Pathophysiology, School of Medicine, Collegium Medicum, University of Warmia and Mazury, 10-082 Olsztyn, Poland
- Students' Scientific Club of Pathophysiologists, Department of Human Physiology and Pathophysiology, School of Medicine, University of Warmia and Mazury, 10-082 Olsztyn, Poland
| | - Piotr Martyniuk
- Department of Human Physiology and Pathophysiology, School of Medicine, Collegium Medicum, University of Warmia and Mazury, 10-082 Olsztyn, Poland
- Students' Scientific Club of Pathophysiologists, Department of Human Physiology and Pathophysiology, School of Medicine, University of Warmia and Mazury, 10-082 Olsztyn, Poland
| | - Adam Osowski
- Department of Human Physiology and Pathophysiology, School of Medicine, Collegium Medicum, University of Warmia and Mazury, 10-082 Olsztyn, Poland
| | - Joanna Wojtkiewicz
- Department of Human Physiology and Pathophysiology, School of Medicine, Collegium Medicum, University of Warmia and Mazury, 10-082 Olsztyn, Poland
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Navarro JA, Decara J, Medina-Vera D, Tovar R, Lopez-Gambero AJ, Suarez J, Pavón FJ, Serrano A, de Ceglia M, Sanjuan C, Baltasar YA, Baixeras E, Rodríguez de Fonseca F. Endocrine and Metabolic Impact of Oral Ingestion of a Carob-Pod-Derived Natural-Syrup-Containing D-Pinitol: Potential Use as a Novel Sweetener in Diabetes. Pharmaceutics 2022; 14:pharmaceutics14081594. [PMID: 36015220 PMCID: PMC9416495 DOI: 10.3390/pharmaceutics14081594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 02/05/2023] Open
Abstract
The widespread use of added sugars or non-nutritive sweeteners in processed foods is a challenge for addressing the therapeutics of obesity and diabetes. Both types of sweeteners generate health problems, and both are being blamed for multiple complications associated with these prevalent diseases. As an example, fructose is proven to contribute to obesity and liver steatosis, while non-nutritive sweeteners generate gut dysbiosis that complicates the metabolic control exerted by the liver. The present work explores an alternative approach for sweetening through the use of a simple carob-pod-derived syrup. This sweetener consists of a balanced mixture of fructose (47%) and glucose (45%), as sweetening sugars, and a functional natural ingredient (D-Pinitol) at a concentration (3%) capable of producing active metabolic effects. The administration of this syrup to healthy volunteers (50 g of total carbohydrates) resulted in less persistent glucose excursions, a lower insulin response to the hyperglycemia produced by its ingestion, and an enhanced glucagon/insulin ratio, compared to that observed after the ingestion of 50 g of glucose. Daily administration of the syrup to Wistar rats for 10 days lowered fat depots in the liver, reduced liver glycogen, promoted fat oxidation, and was devoid of toxic effects. In addition, this repeated administration of the syrup improved glucose handling after a glucose (2 g/kg) load. Overall, this alternative functional sweetener retains the natural palatability of a glucose/fructose syrup while displaying beneficial metabolic effects that might serve to protect against the progression towards complicated obesity, especially the development of liver steatosis.
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Affiliation(s)
- Juan A. Navarro
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
- Facultad de Medicina, Campus de Teatinos s/n, Universidad de Málaga, 29010 Málaga, Spain
| | - Juan Decara
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
| | - Dina Medina-Vera
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
- Facultad de Medicina, Campus de Teatinos s/n, Universidad de Málaga, 29010 Málaga, Spain
- Unidad de Gestión del Corazón, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Facultad de Ciencias, Campus de Teatinos s/n, Universidad de Málaga, 29010 Málaga, Spain
| | - Ruben Tovar
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
- Facultad de Medicina, Campus de Teatinos s/n, Universidad de Málaga, 29010 Málaga, Spain
| | - Antonio J. Lopez-Gambero
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
- Facultad de Ciencias, Campus de Teatinos s/n, Universidad de Málaga, 29010 Málaga, Spain
| | - Juan Suarez
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
- Departamento de Anatomía Humana, Medicina Legal e Historia de la Ciencia, Universidad de Málaga, 29010 Málaga, Spain
| | - Francisco Javier Pavón
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
- Unidad de Gestión del Corazón, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Antonia Serrano
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
| | - Marialuisa de Ceglia
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
| | - Carlos Sanjuan
- Euronutra S.L. Calle Johannes Kepler, 3, 29590 Málaga, Spain; (C.S.); (Y.A.B.)
| | | | - Elena Baixeras
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain
- Correspondence: (E.B.); (F.R.d.F.); Tel.: +34-655373093 (E.B.); +34-669426548 (F.R.d.F.)
| | - Fernando Rodríguez de Fonseca
- Laboratorio de Medicina Regenerativa, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain; (J.A.N.); (J.D.); (D.M.-V.); (R.T.); (A.J.L.-G.); (J.S.); (F.J.P.); (A.S.); (M.d.C.)
- Correspondence: (E.B.); (F.R.d.F.); Tel.: +34-655373093 (E.B.); +34-669426548 (F.R.d.F.)
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