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Lariviere D, Craig SJC, Paul IM, Hohman EE, Savage JS, Wright RO, Chiaromonte F, Makova KD, Reimherr ML. Methylation profiles at birth linked to early childhood obesity. J Dev Orig Health Dis 2024; 15:e7. [PMID: 38660759 PMCID: PMC11268442 DOI: 10.1017/s2040174424000060] [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] [Indexed: 04/26/2024]
Abstract
Childhood obesity represents a significant global health concern and identifying its risk factors is crucial for developing intervention programs. Many "omics" factors associated with the risk of developing obesity have been identified, including genomic, microbiomic, and epigenomic factors. Here, using a sample of 48 infants, we investigated how the methylation profiles in cord blood and placenta at birth were associated with weight outcomes (specifically, conditional weight gain, body mass index, and weight-for-length ratio) at age six months. We characterized genome-wide DNA methylation profiles using the Illumina Infinium MethylationEpic chip, and incorporated information on child and maternal health, and various environmental factors into the analysis. We used regression analysis to identify genes with methylation profiles most predictive of infant weight outcomes, finding a total of 23 relevant genes in cord blood and 10 in placenta. Notably, in cord blood, the methylation profiles of three genes (PLIN4, UBE2F, and PPP1R16B) were associated with all three weight outcomes, which are also associated with weight outcomes in an independent cohort suggesting a strong relationship with weight trajectories in the first six months after birth. Additionally, we developed a Methylation Risk Score (MRS) that could be used to identify children most at risk for developing childhood obesity. While many of the genes identified by our analysis have been associated with weight-related traits (e.g., glucose metabolism, BMI, or hip-to-waist ratio) in previous genome-wide association and variant studies, our analysis implicated several others, whose involvement in the obesity phenotype should be evaluated in future functional investigations.
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Affiliation(s)
- Delphine Lariviere
- Department of Biochemistry and Molecular Biology, Penn State University, University Park, PA, USA
| | - Sarah J C Craig
- Department of Biology, Penn State University, University Park, PA, USA
- Center for Medical Genomics, Penn State University, University Park, PA, USA
| | - Ian M Paul
- Center for Medical Genomics, Penn State University, University Park, PA, USA
- Department of Pediatrics, Penn State College of Medicine, Hershey, PA, USA
| | - Emily E Hohman
- Center for Childhood Obesity Research, Penn State University, University Park, PA, USA
| | - Jennifer S Savage
- Center for Childhood Obesity Research, Penn State University, University Park, PA, USA
- Nutrition Department, Penn State University, University Park, PA, USA
| | | | - Francesca Chiaromonte
- Center for Medical Genomics, Penn State University, University Park, PA, USA
- Department of Statistics, Penn State University, University Park, PA, USA
- L'EMbeDS, Sant'Anna School of Advanced Studies, Piazza Martiri della Libertà, Pisa, Italy
| | - Kateryna D Makova
- Department of Biology, Penn State University, University Park, PA, USA
- Center for Medical Genomics, Penn State University, University Park, PA, USA
| | - Matthew L Reimherr
- Center for Medical Genomics, Penn State University, University Park, PA, USA
- Department of Statistics, Penn State University, University Park, PA, USA
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Lariviere D, Craig SJC, Paul IM, Hohman EE, Savage JS, Wright RO, Chiaromonte F, Makova KD, Reimherr ML. Methylation profiles at birth linked to early childhood obesity. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.01.12.24301172. [PMID: 38260407 PMCID: PMC10802761 DOI: 10.1101/2024.01.12.24301172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Childhood obesity represents a significant global health concern and identifying risk factors is crucial for developing intervention programs. Many 'omics' factors associated with the risk of developing obesity have been identified, including genomic, microbiomic, and epigenomic factors. Here, using a sample of 48 infants, we investigated how the methylation profiles in cord blood and placenta at birth were associated with weight outcomes (specifically, conditional weight gain, body mass index, and weight-for-length ratio) at age six months. We characterized genome-wide DNA methylation profiles using the Illumina Infinium MethylationEpic chip, and incorporated information on child and maternal health, and various environmental factors into the analysis. We used regression analysis to identify genes with methylation profiles most predictive of infant weight outcomes, finding a total of 23 relevant genes in cord blood and 10 in placenta. Notably, in cord blood, the methylation profiles of three genes (PLIN4, UBE2F, and PPP1R16B) were associated with all three weight outcomes, which are also associated with weight outcomes in an independent cohort suggesting a strong relationship with weight trajectories in the first six months after birth. Additionally, we developed a Methylation Risk Score (MRS) that could be used to identify children most at risk for developing childhood obesity. While many of the genes identified by our analysis have been associated with weight-related traits (e.g., glucose metabolism, BMI, or hip-to-waist ratio) in previous genome-wide association and variant studies, our analysis implicated several others, whose involvement in the obesity phenotype should be evaluated in future functional investigations.
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Affiliation(s)
- Delphine Lariviere
- Department of Biochemistry and Molecular Biology, Penn State University, University Park, PA
| | - Sarah J C Craig
- Department of Biology, Penn State University, University Park, PA
- Center for Medical Genomics, Penn State University, University Park, PA
| | - Ian M Paul
- Center for Medical Genomics, Penn State University, University Park, PA
- Department of Pediatrics, Penn State College of Medicine, Hershey, PA
| | - Emily E Hohman
- Center for Childhood Obesity Research, Penn State University, University Park, PA
| | - Jennifer S Savage
- Center for Childhood Obesity Research, Penn State University, University Park, PA
- Nutrition Department, Penn State University, University Park, PA
| | | | - Francesca Chiaromonte
- Center for Medical Genomics, Penn State University, University Park, PA
- Department of Statistics, Penn State University, University Park, PA
- EMbeDS, Sant'Anna School of Advanced Studies, Piazza Martiri della Libertà, Pisa, Italy
| | - Kateryna D Makova
- Department of Biology, Penn State University, University Park, PA
- Center for Medical Genomics, Penn State University, University Park, PA
| | - Matthew L Reimherr
- Center for Medical Genomics, Penn State University, University Park, PA
- Department of Statistics, Penn State University, University Park, PA
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Belgacem A, Senejoux F, Felgines C, Fraisse D, Bitri L, Khemiri I. Anti-obesity effects of the n-butanol fraction of the methanolic leaf extract of Artemisia campestris from Tunisian pharmacopeia in male Wistar rats. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2022; 19:365-373. [PMID: 35460338 DOI: 10.1515/jcim-2022-0018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 03/14/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVES This study aimed to investigate the effect of the n-butanol fraction of the methanol leaf extract of Artemisia campestris (BFAC), growing wild in the arid zone of Tunisia, on induced obesity in male Wistar rats. METHODS The total phenolic content and antioxidant capacity of the BFAC were estimated. The main phenolic composition of the BFAC was determined using the high-performance chromatography system coupled with a diode array detector technics. Five groups of rats received either a standard diet (SD group), a high-fat diet (HFD group), or an HFD supplemented with oral administration of BFAC for eight weeks. RESULTS The BFAC showed higher phenolic content and antioxidant potential than the total leaf methanol extract. Chlorogenic acid, rutin, and dicaffeoylquinic acids were identified in the BFAC. HFD increased body and relative liver weights, as well as serum and hepatic levels of triglycerides and total cholesterol, compared to SD. HFD generated significant oxidative stress in the liver by increasing lipid peroxidation and reducing glutathione-S-transferase, catalase, and glutathione peroxidase activities, compared to SD. These HFD-altered parameters were restored to normal values by oral treatment with the BFAC. CONCLUSIONS These findings give first evidence about the antiobesity efficacy of A. campestris. Such a study would enhance existing information and promote the use of this species.
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Affiliation(s)
- Amel Belgacem
- Department of Biology, Research Unit of Physiology of Regulatory Systems and Adaptations, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - François Senejoux
- University of Clermont Auvergne, University of Auvergne, Clermont-Ferrand, France.,INRA, UMR 1019, Clermont-Ferrand, France
| | - Catherine Felgines
- University of Clermont Auvergne, University of Auvergne, Clermont-Ferrand, France.,INRA, UMR 1019, Clermont-Ferrand, France
| | - Didier Fraisse
- University of Clermont Auvergne, University of Auvergne, Clermont-Ferrand, France.,INRA, UMR 1019, Clermont-Ferrand, France
| | - Lotfi Bitri
- Department of Biology, Research Unit of Physiology of Regulatory Systems and Adaptations, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Ikram Khemiri
- Department of Biology, Research Unit of Physiology of Regulatory Systems and Adaptations, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
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Liśkiewicz AD, Liśkiewicz D, Marczak Ł, Przybyła M, Grabowska K, Student S, Dębiec M, Sługocka A, Lewin-Kowalik J. Obesity-associated deterioration of the hippocampus is partially restored after weight loss. Brain Behav Immun 2021; 96:212-226. [PMID: 34087424 DOI: 10.1016/j.bbi.2021.05.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 05/28/2021] [Accepted: 05/30/2021] [Indexed: 01/29/2023] Open
Abstract
OBJECTIVE Obesity is a multidimensional condition that is treatable by the restoration of a lean phenotype; however, some obesity-related outcomes may persist after weight normalization. Among the organs of the human body, the brain possesses a relatively low regenerative capacity and could retain perturbations established as a result of developmental obesity. Calorie restriction (CR) or a restricted ketogenic diet (KD) are successfully used as weight loss approaches, but their impact on obesity-related effects in the brain have not been previously evaluated. METHODS We performed a series of experiments in a rat model of developmental obesity induced by a 12-week cafeteria diet, followed by CR to implement weight loss. First, we assessed the impact of obesity on neurogenesis (BrdU incorporation into the hippocampus), cognitive function (water maze), and concomitant changes in hippocampal protein expression (GC/MS-MS, western blot). Next, we repeated these experiments in a rat model of weight loss induced by CR. We also measured mitochondrial enzyme activity in rats after weight loss during the fed or fasting state. This study was extended by additional experiments with restricted KD used as a weight loss approach in order to compare the efficacy of two different nutritional interventions used in the treatment of obesity on hippocampal functions. By using a modified version of the water maze we evaluated cognitive abilities in rats subjected to weight loss by CR or a restricted KD. RESULTS In this study, obesity affected metabolic processes, upregulated hippocampal NF-κB, and induced proteomic differences which were associated with impaired cognition and neurogenesis. Weight loss improved neurogenesis and enhanced cognition. While the expression pattern of some proteins persisted after weight loss, most of the changes appeared de novo revealing metabolic adjustment by overactivation of citrate synthase and downregulation of ATP synthase. As a consequence of fasting, the activity of these enzymes indicated hippocampal adaptation to negative energy balance during the weight loss phase of CR. Moreover, the effects on cognitive abilities measured after weight loss were negatively correlated with the animal weight measured at the final stage of weight gain. This was alleviated by KD, which improved cognition when used as a weight loss approach. CONCLUSIONS The study shows that cognition and mitochondrial metabolism in the hippocampus are affected by CR- or KD-induced weight loss.
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Affiliation(s)
- Arkadiusz D Liśkiewicz
- Department of Physiology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice 40-752, Poland; Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice 40-065, Poland.
| | - Daniela Liśkiewicz
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice 40-065, Poland; Department for Experimental Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice 40-752, Poland
| | - Łukasz Marczak
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan 61-704, Poland
| | - Marta Przybyła
- Department for Experimental Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice 40-752, Poland
| | - Konstancja Grabowska
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice 40-065, Poland; Department for Experimental Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice 40-752, Poland
| | - Sebastian Student
- Institute of Automatic Control, Silesian University of Technology, Gliwice 44-100, Poland; Biotechnology Centre, Silesian University of Technology, Gliwice 44-100, Poland
| | - Magdalena Dębiec
- Laboratory of Molecular Biology, Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice 40-065, Poland
| | - Anna Sługocka
- Department for Experimental Medicine, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice 40-752, Poland
| | - Joanna Lewin-Kowalik
- Department of Physiology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice 40-752, Poland
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McLean FH, Campbell FM, Sergi D, Grant C, Morris AC, Hay EA, MacKenzie A, Mayer CD, Langston RF, Williams LM. Early and reversible changes to the hippocampal proteome in mice on a high-fat diet. Nutr Metab (Lond) 2019; 16:57. [PMID: 31462902 PMCID: PMC6708244 DOI: 10.1186/s12986-019-0387-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 08/16/2019] [Indexed: 12/11/2022] Open
Abstract
Background The rise in global obesity makes it crucial to understand how diet drives obesity-related health conditions, such as premature cognitive decline and Alzheimer's disease (AD). In AD hippocampal-dependent episodic memory is one of the first types of memory to be impaired. Previous studies have shown that in mice fed a high-fat diet (HFD) episodic memory is rapidly but reversibly impaired. Methods In this study we use hippocampal proteomics to investigate the effects of HFD in the hippocampus. Mice were fed either a low-fat diet (LFD) or HFD containing either 10% or 60% (Kcal) from fat for 3 days, 1 week or 2 weeks. One group of mice were fed the HFD for 1 week and then returned to the LFD for a further week. Primary hippocampal cultures were challenged with palmitic acid (PA), the most common long-chain saturated FA in the Western diet, and with the anti-inflammatory, n-3 polyunsaturated FA, docosahexaenoic acid (DHA), or a combination of the two to ascertain effects of these fatty acids on dendritic structure. Results HFD-induced changes occur in hippocampal proteins involved in metabolism, inflammation, cell stress, cell signalling, and the cytoskeleton after 3 days, 1 week and 2 weeks of HFD. Replacement of the HFD after 1 week by a low-fat diet (LFD) for a further week resulted in partial recovery of the hippocampal proteome. Microtubule-associated protein 2 (MAP2), one of the earliest proteins changed, was used to investigate the impact of fatty acids (FAs) on hippocampal neuronal morphology. PA challenge resulted in shorter and less arborised dendrites while DHA had no effect when applied alone but counteracted the effects of PA when FAs were used in combination. Dendritic morphology recovered when PA was removed from the cell culture media. Conclusion This study provides evidence for the rapid and reversible effects of diet on the hippocampal proteome and the impact of PA and DHA on dendritic structure.
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Affiliation(s)
- Fiona H McLean
- 1Division of Neuroscience, University of Dundee, Ninewells Hospital & Medical School, Dundee, DD1 9SY UK.,2Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK
| | - Fiona M Campbell
- 2Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK
| | - Domenico Sergi
- 2Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK
| | - Christine Grant
- 2Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK
| | - Amanda C Morris
- 2Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK
| | - Elizabeth A Hay
- 3Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK
| | - Alasdair MacKenzie
- 3Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK
| | - Claus D Mayer
- 4Biomathematics and Statistics Scotland, University of Aberdeen, Aberdeen, AB25 2ZD UK
| | - Rosamund F Langston
- 1Division of Neuroscience, University of Dundee, Ninewells Hospital & Medical School, Dundee, DD1 9SY UK
| | - Lynda M Williams
- 2Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD UK
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Tsai YC, Lin YC, Huang CC, Villaflores OB, Wu TY, Huang SM, Chin TY. Hericium erinaceus Mycelium and Its Isolated Compound, Erinacine A, Ameliorate High-Fat High-Sucrose Diet-Induced Metabolic Dysfunction and Spatial Learning Deficits in Aging Mice. J Med Food 2019; 22:469-478. [DOI: 10.1089/jmf.2018.4288] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Yun-Chieh Tsai
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Yu-Chen Lin
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan, Taiwan
| | | | | | - Tzong-Yuan Wu
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan, Taiwan
- Department of Chemistry, Chung Yuan Christian University, Taoyuan, Taiwan
| | - Shih-Ming Huang
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
- Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan
| | - Ting-Yu Chin
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan, Taiwan
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Gomez-Pinilla F, Yang X. System biology approach intersecting diet and cell metabolism with pathogenesis of brain disorders. Prog Neurobiol 2018; 169:76-90. [PMID: 30059718 PMCID: PMC6231047 DOI: 10.1016/j.pneurobio.2018.07.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 07/15/2018] [Indexed: 12/21/2022]
Abstract
The surge in meals high in calories has prompted an epidemic of metabolic disorders around the world such that the elevated incidence of obese and diabetic individuals is alarming. New research indicates that metabolic disorders pose a risk for neurological and psychiatric conditions including stroke, Alzheimer's disease, Huntington's disease, and depression, all of which have a metabolic component. These relationships are rooted to a dysfunctional interaction between molecular processes that regulate energy metabolism and synaptic plasticity. The strong adaptive force of dietary factors on shaping the brain during evolution can be manipulated to transform the interaction between cell bioenergetics and epigenome with the aptitude to promote long-lasting brain healthiness. A thorough understanding of the association between the broad action of nutrients and brain fitness requires high level data processing empowered with the capacity to integrate information from a multitude of molecular entities and pathways. Nutritional systems biology is emerging as a viable approach to elucidate the multiple molecular layers involved in information processing in cells, tissues, and organ systems in response to diet. Information about the wide range of cellular and molecular interactions elicited by foods on the brain and cognitive plasticity is crucial for the design of public health initiatives for curtailing the epidemic of metabolic and brain disorders.
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Affiliation(s)
- Fernando Gomez-Pinilla
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, 90095, USA; Department of Neurosurgery, UCLA Brain Injury Research Center, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
| | - Xia Yang
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
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Park HS, Cho HS, Kim TW. Physical exercise promotes memory capability by enhancing hippocampal mitochondrial functions and inhibiting apoptosis in obesity-induced insulin resistance by high fat diet. Metab Brain Dis 2018; 33:283-292. [PMID: 29185193 DOI: 10.1007/s11011-017-0160-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 11/20/2017] [Indexed: 01/04/2023]
Abstract
A high-fat diet induces obesity in mice, leading to insulin resistance, decreased mitochondrial function, and increased apoptosis in the hippocampus, which eventually result in memory loss. The present study investigated the effect of physical exercise on memory, hippocampal mitochondrial function, and apoptosis in mice with in insulin resistance caused by obesity due to high-fat diet. Mice were randomly divided into four groups: control (CON), control and exercise (CON + EX), high fat diet (HFD), and high fat diet and exercise (HFD + EX). After receiving a high-fat (60%) diet for 20 weeks to induce obesity, the animals were subjected to an exercise routine 6 times per week, for 12 weeks. The exercise duration and intensity gradually increased over 4-week intervals. Hippocampal memory was examined using the step-down avoidance task. Mitochondrial function and apoptosis were also examined in the hippocampus and dentate gyrus. We found that obesity owing to a high-fat diet induced insulin resistance and caused a decrease in memory function. Insulin resistance also caused a decrease in mitochondrial function in the hippocampus by reducing Ca2+ retention and O2, respiration, increasing the levels of H2O2, and Cyp-D, and mPTP opening. In addition, apoptosis in the hippocampus increased owing to decreased expression of Bcl-2 and increased expression of Bax, cytochrome c, and caspase-3 and TUNEL-positive cells. In contrast, physical exercise led to reduced insulin resistance, improved mitochondrial function, and reduced apoptosis in the hippocampus. The results suggest that physiological stimulations such as exercise improve hippocampal function and suppress apoptosis, potentially preventing the memory loss associated with obesity-induced insulin resistance.
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Affiliation(s)
- Hye-Sang Park
- Department of Physiology, College of Medicine, Kyung-Hee University, Seoul, Republic of Korea
| | - Han-Sam Cho
- Department of Physiology, College of Medicine, Kyung-Hee University, Seoul, Republic of Korea
| | - Tae-Woon Kim
- Department of Physiology, College of Medicine, Kyung-Hee University, Seoul, Republic of Korea.
- Exercise Rehabilitation Research Institute, Department of Exercise & Health Science, SangMyung University, Seoul, Republic of Korea.
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