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Mruczyk K, Molska M, Wójciak RW, Śliwicka E, Cisek-Woźniak A. Associated between cognition, brain-derived neurotrophic factor (BDNF) and macronutrients in normal and overweight postmenopausal women. Exp Gerontol 2024; 192:112449. [PMID: 38704127 DOI: 10.1016/j.exger.2024.112449] [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: 04/04/2024] [Revised: 04/26/2024] [Accepted: 05/01/2024] [Indexed: 05/06/2024]
Abstract
BDNF is a protein associated with cognitive dysfunction. The aim of the study was to determine the relationship between BDNF and cognitive functions and the intake of macronutrients in postmenopausal women. For this purpose, 72 postmenopausal women were recruited to the study and divided into two subgroups: overweight/obese and normal weight. Using a 3-day food record, nutrition was assessed. The markers studied were the level of BDNF, which was determined from the venous blood serum collected from women, and selected cognitive functions. We observed that in the normal BMI group macronutrient intake was correlated with BDNF levels, and only total fat and carbohydrate intake were inversely correlated with BDNF levels. There were inverse correlations observed among selected parameters of cognitive functioning. In the Ov/Ob group, macronutrient intake correlated with the BDNF level for several variables, e.g. vice versa with total protein, fat and carbohydrate intake, as well as dietary cholesterol. It has also been noted that there are links between the BDNF factor and excessive body weight.
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Affiliation(s)
- Kinga Mruczyk
- Department of Dietetics, Faculty of Physical Culture in Gorzów Wlkp., Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland.
| | - Marta Molska
- Department of Dietetics, Faculty of Physical Culture in Gorzów Wlkp., Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland.
| | - Rafał W Wójciak
- Department of Clinical Psychology, University of Medical Sciences, Poznań, Poland.
| | - Ewa Śliwicka
- Department of Physiology and Biochemistry, Poznan University of Physical Education, Królowej Jadwigi 27/39, 61-871, Poznań, Poland.
| | - Angelika Cisek-Woźniak
- Department of Dietetics, Faculty of Physical Culture in Gorzów Wlkp., Poznan University of Physical Education, Estkowskiego 13, 66-400 Gorzów Wielkopolski, Poland.
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Schipper L, Tims S, Timmer E, Lohr J, Rakhshandehroo M, Harvey L. Grain versus AIN: Common rodent diets differentially affect health outcomes in adult C57BL/6j mice. PLoS One 2024; 19:e0293487. [PMID: 38512932 PMCID: PMC10956799 DOI: 10.1371/journal.pone.0293487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 02/24/2024] [Indexed: 03/23/2024] Open
Abstract
Semi-synthetic and grain-based diets are common rodent diets for biomedical research. Both diet types are considered nutritionally adequate to support breeding, growth, and long life, yet there are fundamental differences between them that may affect metabolic processes. We have characterized the effects of diet type on breeding outcomes, metabolic phenotype, and microbiota profile in adult mice. Healthy 8-week-old female and male C57BL/6J mice were fed a semi-synthetic or a grain-based diet for 12 weeks and changes in body weight and body composition were monitored. Breeding outcomes were determined. Body fat accumulation of female mice was lower on the semi-synthetic diet than on the grain-based diet. Pregnancy rate and newborn pup survival appeared to be lower in mice exposed to semi-synthetic diet compared to grain-based diet. Both female and male mice showed a profound change in fecal microbiota alpha and beta diversity depending on diet type. Our study shows that type of rodent diet may affect breeding outcomes whilst influencing metabolism and health of female laboratory mice. These factors have the potential to influence other experimental outcomes and the results suggest that semi-synthetic and grain-based diets are not interchangeable in research using rodent models. Careful consideration and increased understanding of the consequences of diet choice would lead to improvements in experimental design and reproducibility of study results.
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Affiliation(s)
| | | | - Eva Timmer
- Danone Nutricia Research, Utrecht, The Netherlands
| | - Julia Lohr
- Danone Nutricia Research, Utrecht, The Netherlands
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Mohd Sahini SN, Mohd Nor Hazalin NA, Srikumar BN, Jayasingh Chellammal HS, Surindar Singh GK. Environmental enrichment improves cognitive function, learning, memory and anxiety-related behaviours in rodent models of dementia: Implications for future study. Neurobiol Learn Mem 2024; 208:107880. [PMID: 38103676 DOI: 10.1016/j.nlm.2023.107880] [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: 04/25/2023] [Revised: 11/27/2023] [Accepted: 12/07/2023] [Indexed: 12/19/2023]
Abstract
Environmental enrichment (EE) is a process of brain stimulation by modifying the surroundings, for example, by changing the sensory, social, or physical conditions. Rodents have been used in such experimental strategies through exposure to diverse physical, social, and exploration conditions. The present study conducted an extensive analysis of the existing literature surrounding the impact of EE on dementia rodent models. The review emphasised the two principal aspects that are very closely related to dementia: cognitive function (learning and memory) as well as psychological factors (anxiety-related behaviours such as phobias and unrealistic worries). Also highlighted were the mechanisms involved in the rodent models of dementia showing EE effects. Two search engines, PubMed and Science Direct, were used for data collection using the following keywords: environmental enrichment, dementia, rodent model, cognitive performance, and anxiety-related behaviour. Fifty-five articles were chosen depending on the criteria for inclusion and exclusion. The rodent models with dementia demonstrated improved learning and memory in the form of hampered inflammatory responses, enhanced neuronal plasticity, and sustained neuronal activity. EE housing also prevented memory impairment through the prevention of amyloid beta (Aβ) seeding formation, an early stage of Aβ plaque formation. The rodents subjected to EE were observed to present increased exploratory activity and exert less anxiety-related behaviour, compared to those in standard housing. However, some studies have proposed that EE intervention through exercise would be too mild to counteract the anxiety-related behaviour and risk assessment behaviour deficits in the Alzheimer's disease rodent model. Future studies should be conducted on old-aged rodents and the duration of EE exposure that would elicit the greatest benefits since the existing studies have been conducted on a range of ages and EE durations. In summary, EE had a considerable effect on dementia rodent models, with the most evident being improved cognitive function.
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Affiliation(s)
- Siti Norhafizah Mohd Sahini
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), Selangor Branch, Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia; Outpatient Pharmacy Department, Hospital Raja Permaisuri Bainun, 30450 Ipoh, Perak, Malaysia
| | - Nurul Aqmar Mohd Nor Hazalin
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), Selangor Branch, Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia; Integrative Pharmacogenomics Institute (iPROMiSE), Level 7, FF3, Universiti Teknologi MARA, Selangor Branch, Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia
| | - Bettadapura N Srikumar
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences (NIMHANS), Hosur Road, Bengaluru - 560029, India
| | - Hanish Singh Jayasingh Chellammal
- Department of Pharmacology and Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), Selangor Branch, Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia; Brain Degeneration and Therapeutics Group, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor, Malaysia
| | - Gurmeet Kaur Surindar Singh
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), Selangor Branch, Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia; Brain Degeneration and Therapeutics Group, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor, Malaysia.
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Sowndharya S, Rajan KE. Environmental enrichment improves social isolation-induced memory impairment: The possible role of ITSN1-Reelin-AMPA receptor signaling pathway. PLoS One 2024; 19:e0294354. [PMID: 38241230 PMCID: PMC10798460 DOI: 10.1371/journal.pone.0294354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 10/30/2023] [Indexed: 01/21/2024] Open
Abstract
Environmental enrichment (EE) through combination of social and non-biological stimuli enhances activity-dependent synaptic plasticity and improves behavioural performance. Our earlier studies have suggested that EE resilience the stress induced depression/ anxiety-like behaviour in Indian field mice Mus booduga. This study was designed to test whether EE reverses the social isolation (SI) induced effect and improve memory. Field-caught mice M. booduga were subjected to behaviour test (Direct wild, DW), remaining animals were housed under SI for ten days and then housed for short-term at standard condition (STSC)/ long-term at standard condition (LTSC) or as group in EE cage. Subsequently, we have examined reference, working memory and expression of genes associated with synaptic plasticity. Our analysis have shown that EE reversed SI induced impairment in reference, working memory and other accompanied changes i.e. increased level of Intersectin 1 (ITSN1), Huntingtin (Htt), Synaptotagmin -IV (SYT4), variants of brain-derived neurotrophic factor (Bdnf - III), α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor (GluR1) expression, and decreased variants of Bdnf (IV), BDNF, Reelin, Apolipoprotein E receptor 2 (ApoER2), very low-density lipoprotein receptor (VLDLR), Src family tyrosine kinase (SFKs), Disabled protein (Dab)-1, Protein kinase B (PKB/Akt), GluR2, Mitogen-activated protein kinase (MAPK) and Extracellular signal-regulated kinase (ERK1/2) expression. In addition, SI induced reduction in BDNF expressing neurons in dentate gyrus of hippocampus reversed by EE. Further, we found that SI decreases small neuro-active molecules such as Benzenedicarboxylic acid, and increases 2-Pregnene in the hippocampus and feces reversed by EE. Overall, this study demonstrated that EE is effectively reversed the SI induced memory impairment by potentially regulating the molecules associated with the ITSN1-Reelin-AMPA receptor pathway to increase synaptic plasticity.
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Affiliation(s)
- Swamynathan Sowndharya
- Behavioural Neuroscience Laboratory, Department of Animal Science, Bharathidasan University, Tiruchirappalli, India
| | - Koilmani Emmanuvel Rajan
- Behavioural Neuroscience Laboratory, Department of Animal Science, Bharathidasan University, Tiruchirappalli, India
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Kobiec T, Mardaraz C, Toro-Urrego N, Kölliker-Frers R, Capani F, Otero-Losada M. Neuroprotection in metabolic syndrome by environmental enrichment. A lifespan perspective. Front Neurosci 2023; 17:1214468. [PMID: 37638319 PMCID: PMC10447983 DOI: 10.3389/fnins.2023.1214468] [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: 04/29/2023] [Accepted: 07/17/2023] [Indexed: 08/29/2023] Open
Abstract
Metabolic syndrome (MetS) is defined by the concurrence of different metabolic conditions: obesity, hypertension, dyslipidemia, and hyperglycemia. Its incidence has been increasingly rising over the past decades and has become a global health problem. MetS has deleterious consequences on the central nervous system (CNS) and neurological development. MetS can last several years or be lifelong, affecting the CNS in different ways and treatments can help manage condition, though there is no known cure. The early childhood years are extremely important in neurodevelopment, which extends beyond, encompassing a lifetime. Neuroplastic changes take place all life through - childhood, adolescence, adulthood, and old age - are highly sensitive to environmental input. Environmental factors have an important role in the etiopathogenesis and treatment of MetS, so environmental enrichment (EE) stands as a promising non-invasive therapeutic approach. While the EE paradigm has been designed for animal housing, its principles can be and actually are applied in cognitive, sensory, social, and physical stimulation programs for humans. Here, we briefly review the central milestones in neurodevelopment at each life stage, along with the research studies carried out on how MetS affects neurodevelopment at each life stage and the contributions that EE models can provide to improve health over the lifespan.
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Affiliation(s)
- Tamara Kobiec
- Facultad de Psicología, Centro de Investigaciones en Psicología y Psicopedagogía, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
- Centro de Altos Estudios en Ciencias Humanas y de la Salud, Universidad Abierta Interamericana, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Claudia Mardaraz
- Centro de Altos Estudios en Ciencias Humanas y de la Salud, Universidad Abierta Interamericana, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Nicolás Toro-Urrego
- Centro de Altos Estudios en Ciencias Humanas y de la Salud, Universidad Abierta Interamericana, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Rodolfo Kölliker-Frers
- Centro de Altos Estudios en Ciencias Humanas y de la Salud, Universidad Abierta Interamericana, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Francisco Capani
- Centro de Altos Estudios en Ciencias Humanas y de la Salud, Universidad Abierta Interamericana, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Santiago, Chile
| | - Matilde Otero-Losada
- Centro de Altos Estudios en Ciencias Humanas y de la Salud, Universidad Abierta Interamericana, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
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Ismail TR, Yap CG, Naidu R, Pamidi N. Environmental Enrichment and Metformin Improve Metabolic Functions, Hippocampal Neuron Survival, and Hippocampal-Dependent Memory in High-Fat/High-Sucrose Diet-Induced Type 2 Diabetic Rats. BIOLOGY 2023; 12:biology12030480. [PMID: 36979171 PMCID: PMC10045208 DOI: 10.3390/biology12030480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/13/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023]
Abstract
Background: The Western-style diet-induced type 2 diabetes mellitus (T2D) may eventually trigger neurodegeneration and memory impairment. Thus, it is essential to identify effective therapeutic strategies to overcome T2D complications. This study aimed to investigate the effects of environmental enrichment (EE) and metformin interventions on metabolic dysfunctions, hippocampal neuronal death, and hippocampal-dependent memory impairments in high-fat/high-sucrose (HFS) diet-induced T2D rats. Methods: Thirty-two male rats (200-250 g) were divided into four groups: C group (standard diet + conventional cage); D group (HFS diet + conventional cage); DE group (HFS diet + EE cage/6hr daily); and DM group (HFS diet + metformin + conventional cage). Body weight was measured every week. T-maze tasks, anthropometric, biochemical, histological, and morphometric parameters were measured. The expression changes of hippocampal genes were also analyzed. Results: The anthropometric and biochemical parameters were improved in DE and DM groups compared with the D group. DE and DM groups had significantly higher T-maze percentages than the D group. These groups also had better histological and morphometric parameters than the D group. The interventions of EE and metformin enhanced the expression of hippocampal genes related to neurogenesis and synaptic plasticity (BDNF/TrkB binding, PI3K-Akt, Ras-MAPK, PLCγ-Ca2+, and LTP). Conclusion: Environmental enrichment (EE) and metformin improved metabolic functions, hippocampal neuron survival, and hippocampal-dependent memory in HFS diet-induced T2D rats. The underlying mechanisms of these interventions involved the expression of genes that regulate neurogenesis and synaptic plasticity.
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Affiliation(s)
- Teh Rasyidah Ismail
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya 47500, Selangor Darul Ehsan, Malaysia
- Clinical Laboratory Science Section, Institute of Medical Science Technology, Universiti Kuala Lumpur, Kajang, Kuala Lumpur 43000, Selangor Darul Ehsan, Malaysia
| | - Christina Gertrude Yap
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya 47500, Selangor Darul Ehsan, Malaysia
| | - Rakesh Naidu
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya 47500, Selangor Darul Ehsan, Malaysia
| | - Narendra Pamidi
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya 47500, Selangor Darul Ehsan, Malaysia
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Rodrigues MS, Martins JN, Paula GCDE, Venturini LM, Silveira GDEB, Streck EL, Budni J, Ávila RAMDE, Bem AFDE, Silveira PCL, Oliveira JDE. Effects of diet-induced hypercholesterolemia and gold nanoparticles treatment on peripheral tissues. AN ACAD BRAS CIENC 2022; 94:e20211081. [PMID: 36541976 DOI: 10.1590/0001-3765202220211081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/24/2021] [Indexed: 12/23/2022] Open
Abstract
Cholesterol is a lipid molecule of great biological importance to animal cells. Dysregulation of cholesterol metabolism leads to raised blood total cholesterol levels, a clinical condition called hypercholesterolemia. Evidence has shown that hypercholesterolemia is associated with the development of liver and heart disease. One of the mechanisms underlying heart and liver alterations induced by hypercholesterolemia is oxidative stress. In this regard, in several experimental studies, gold nanoparticles (AuNP) displayed antioxidant properties. We hypothesized that hypercholesterolemia causes redox system imbalance in the liver and cardiac tissues, and AuNP treatment could ameliorate it. Young adult male Swiss mice fed a regular rodent diet or a high cholesterol diet for eight weeks and concomitantly treated with AuNP (2.5 μg/kg) or vehicle by oral gavage. Hypercholesterolemia increased the nitrite concentration and glutathione (GSH) levels and decreased the liver's superoxide dismutase (SOD) activity. Also, hypercholesterolemia significantly enhanced the reactive oxygen species (ROS) and GSH levels in cardiac tissue. Notably, AuNP promoted the redox system homeostasis, increasing the SOD activity in hepatic tissue and reducing ROS levels in cardiac tissue. Overall, our data showed that hypercholesterolemia triggered oxidative stress in mice's liver and heart, which was partially prevented by AuNP treatment.
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Affiliation(s)
- Matheus S Rodrigues
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Departamento de Bioquímica, Rua Ramiro Barcelos, 2600, 90035-000 Porto Alegre, RS, Brazil
| | - Julia N Martins
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Departamento de Bioquímica, Rua Ramiro Barcelos, 2600, 90035-000 Porto Alegre, RS, Brazil
| | - Gabriela C DE Paula
- Lund University, Faculty of Medicine, Department of Experimental Medical Science, Box 117, 22100 Lund, Sweden
| | - Ligia M Venturini
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Av. Universitária, 1105, 88806-000 Criciúma, SC, Brazil
| | - Gustavo DE B Silveira
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Av. Universitária, 1105, 88806-000 Criciúma, SC, Brazil
| | - Emílio L Streck
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Av. Universitária, 1105, 88806-000 Criciúma, SC, Brazil
| | - Josiani Budni
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Av. Universitária, 1105, 88806-000 Criciúma, SC, Brazil
| | - Ricardo A Machado DE Ávila
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Av. Universitária, 1105, 88806-000 Criciúma, SC, Brazil
| | - Andreza F DE Bem
- Universidade de Brasília, Instituto de Ciências Biológicas, Campus Universitário Darcy Ribeiro, 70910-900 Brasília, DF, Brazil
| | - Paulo C L Silveira
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Av. Universitária, 1105, 88806-000 Criciúma, SC, Brazil
| | - Jade DE Oliveira
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Departamento de Bioquímica, Rua Ramiro Barcelos, 2600, 90035-000 Porto Alegre, RS, Brazil
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Pyo S, Kim J, Hwang J, Heo JH, Kim K, Cho SR. Environmental Enrichment and Estrogen Upregulate Beta-Hydroxybutyrate Underlying Functional Improvement. Front Mol Neurosci 2022; 15:869799. [PMID: 35592114 PMCID: PMC9113201 DOI: 10.3389/fnmol.2022.869799] [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: 02/05/2022] [Accepted: 03/21/2022] [Indexed: 11/26/2022] Open
Abstract
Environmental enrichment (EE) is a promising therapeutic strategy in improving metabolic and neuronal responses, especially due to its non-invasive nature. However, the exact mechanism underlying the sex-differential effects remains unclear. The aim of the current study was to investigate the effects of EE on metabolism, body composition, and behavioral phenotype based on sex. Long-term exposure to EE for 8 weeks induced metabolic changes and fat reduction. In response to the change in metabolism, the level of βHB were influenced by sex and EE possibly in accordance to the phases of estrogen cycle. The expression of β-hydroxybutyrate (βHB)-related genes and proteins such as monocarboxylate transporters, histone deacetylases (HDAC), and brain-derived neurotrophic factor (BDNF) were significantly regulated. In cerebral cortex and hippocampus, EE resulted in a significant increase in the level of βHB and a significant reduction in HDAC, consequently enhancing BDNF expression. Moreover, EE exerted significant effects on motor and cognitive behaviors, indicating a significant functional improvement in female mice under the condition that asserts the influence of estrogen cycle. Using an ovariectomized mice model, the effects of EE and estrogen treatment proved the hypothesis that EE upregulates β-hydroxybutyrate and BDNF underlying functional improvement in female mice. The above findings demonstrate that long-term exposure to EE can possibly alter metabolism by increasing the level of βHB, regulate the expression of βHB-related proteins, and improve behavioral function as reflected by motor and cognitive presentation following the changes in estrogen level. This finding may lead to a marked improvement in metabolism and neuroplasticity by EE and estrogen level.
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Affiliation(s)
- Soonil Pyo
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, South Korea
- Brain Korea 21 Plus Project for Medical Sciences, Yonsei University College of Medicine, Seoul, South Korea
| | - Joohee Kim
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, South Korea
- Brain Korea 21 Plus Project for Medical Sciences, Yonsei University College of Medicine, Seoul, South Korea
| | - Jihye Hwang
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Jeong Hyun Heo
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, South Korea
- Graduate Program of Biomedical Engineering, Yonsei University College of Medicine, Seoul, South Korea
- Department of Physiology, Yonsei University College of Medicine, Seoul, South Korea
| | - Kyungri Kim
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, South Korea
- Brain Korea 21 Plus Project for Medical Sciences, Yonsei University College of Medicine, Seoul, South Korea
| | - Sung-Rae Cho
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, South Korea
- Brain Korea 21 Plus Project for Medical Sciences, Yonsei University College of Medicine, Seoul, South Korea
- Graduate Program of Biomedical Engineering, Yonsei University College of Medicine, Seoul, South Korea
- Rehabilitation Institute of Neuromuscular Disease, Yonsei University College of Medicine, Seoul, South Korea
- *Correspondence: Sung-Rae Cho
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Higarza SG, Arboleya S, Arias JL, Gueimonde M, Arias N. Akkermansia muciniphila and environmental enrichment reverse cognitive impairment associated with high-fat high-cholesterol consumption in rats. Gut Microbes 2022; 13:1-20. [PMID: 33678110 PMCID: PMC7946069 DOI: 10.1080/19490976.2021.1880240] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Nonalcoholic steatohepatitis (NASH) is one of the most prevalent diseases globally. A high-fat, high-cholesterol (HFHC) diet leads to an early NASH model. It has been suggested that gut microbiota mediates the effects of diet through the microbiota-gut-brain axis, modifying the host's brain metabolism and disrupting cognition. Here, we target NASH-induced cognitive damage by testing the impact of environmental enrichment (EE) and the administration of either Lacticaseibacillus rhamnosus GG (LGG) or Akkermansia muciniphila CIP107961 (AKK). EE and AKK, but not LGG, reverse the HFHC-induced cognitive dysfunction, including impaired spatial working memory and novel object recognition; however, whereas AKK restores brain metabolism, EE results in an overall decrease. Moreover, AKK and LGG did not induce major rearrangements in the intestinal microbiota, with only slight changes in bacterial composition and diversity, whereas EE led to an increase in Firmicutes and Verrucomicrobia members. Our findings illustrate the interplay between gut microbiota, the host's brain energy metabolism, and cognition. In addition, the findings suggest intervention strategies, such as the administration of AKK, for the management of the cognitive dysfunction related to NASH.
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Affiliation(s)
- Sara G. Higarza
- Laboratory of Neuroscience, Department of Psychology. University of Oviedo, Oviedo, Asturias, Spain,Instituto De Neurociencias Del Principado De Asturias (INEUROPA), Asturias, Spain
| | - Silvia Arboleya
- Department of Microbiology and Biochemistry of Dairy Products, Instituto De Productos Lácteos De Asturias (IPLA-CSIC), Villaviciosa, Asturias, Spain
| | - Jorge L. Arias
- Laboratory of Neuroscience, Department of Psychology. University of Oviedo, Oviedo, Asturias, Spain,Instituto De Neurociencias Del Principado De Asturias (INEUROPA), Asturias, Spain
| | - Miguel Gueimonde
- Department of Microbiology and Biochemistry of Dairy Products, Instituto De Productos Lácteos De Asturias (IPLA-CSIC), Villaviciosa, Asturias, Spain,Miguel Gueimonde Department of Microbiology and Biochemistry of Dairy Products, Instituto De Productos Lácteos De Asturias (IPLA-CSIC), Villaviciosa, Asturias 33300, Spain
| | - Natalia Arias
- Instituto De Neurociencias Del Principado De Asturias (INEUROPA), Asturias, Spain,UK Dementia Research Institute, Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK,CONTACT Natalia Arias Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, Denmark Hill, LondonSE5 8AF, United Kingdom
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Environmental enrichment ameliorates high-fat diet induced olfactory deficit and decrease of parvalbumin neurons in the olfactory bulb in mice. Brain Res Bull 2021; 179:13-24. [PMID: 34848271 DOI: 10.1016/j.brainresbull.2021.11.015] [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: 06/05/2021] [Revised: 11/14/2021] [Accepted: 11/24/2021] [Indexed: 11/23/2022]
Abstract
Overweight induced by high-fat diet (HFD) represents one of the major health concerns in modern societies, which can cause lasting peripheral and central metabolic disorders in all age groups. Specifically, childhood obesity could lead to life-long impact on brain development and functioning. On the other hand, environmental enrichment (EE) has been demonstrated to be beneficial for learning and memory. Here, we explored the impact of high-fat diet on olfaction and organization of olfactory bulb cells in adolescent mice, and the effect of EE intervention thereon. Puberty mice (3-week-old) fed with HFD for 10 weeks exhibited poorer odor sensitivity and olfactory memory relative to controls consuming standard chows. The behavioral deficits were rescued in the HFD group with EE intervention. Neuroanatomically, parvalbumin (PV) interneurons in the olfactory bulb (OB) were reduced in the HFD-fed animals relative to control, while EE intervention also normalized this alteration. In contrast, cells expressing calbindin (CB), doublecortin (DCX) in the OB were not altered. Our findings suggest that PV interneurons may play a crucial role in mediating the HFD-induced olfactory deficit in adolescent mice, and can also serve a protective effect of EE against the functional deficit.
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Rodrigues MS, de Paula GC, Duarte MB, de Rezende VL, Possato JC, Farias HR, Medeiros EB, Feuser PE, Streck EL, de Ávila RAM, Bast RKSS, Budni J, de Bem AF, Silveira PCL, de Oliveira J. Nanotechnology as a therapeutic strategy to prevent neuropsychomotor alterations associated with hypercholesterolemia. Colloids Surf B Biointerfaces 2021; 201:111608. [PMID: 33618084 DOI: 10.1016/j.colsurfb.2021.111608] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 11/19/2020] [Accepted: 02/03/2021] [Indexed: 12/21/2022]
Abstract
Hypercholesterolemia has been linked to neurodegenerative disease development. Previously others and we demonstrated that high levels of plasma cholesterol-induced memory impairments and depressive-like behavior in mice. More recently, some evidence reported that a hypercholesterolemic diet led to motor alterations in rodents. Peripheral inflammation, blood-brain barrier (BBB) dysfunction, and neuroinflammation seem to be the connective factors between hypercholesterolemia and brain disorders. Herein, we aimed to investigate whether treatment with gold nanoparticles (GNPs) can prevent the inflammation, BBB disruption, and behavioral changes related to neurodegenerative diseases and depression, induced by hypercholesterolemic diet intake in mice. Adult Swiss mice were fed a standard or a high cholesterol diet for eight weeks and concomitantly treated with either vehicle or GNPs by the oral route. At the end of treatments, mice were subjected to behavioral tests. After that, the blood, liver, and brain structures were collected for biochemical analysis. The high cholesterol diet-induced an increase in the plasma cholesterol levels and body weight of mice, which were not modified by GNPs treatment. Hypercholesterolemia was associated with enhanced liver tumor necrosis factor- α (TNF-α), BBB dysfunction in the hippocampus and olfactory bulb, memory impairment, cataleptic posture, and depressive-like behavior. Notably, GNPs administration attenuated liver inflammation, BBB dysfunction, and improved behavioral and memory deficits in hypercholesterolemic mice. Also, GNPs increased mitochondrial complex I activity in the prefrontal cortex of mice. It is worth highlight that GNPs' administration did not cause toxic effects in the liver and kidney of mice. Overall, our results indicated that GNPs treatment potentially mitigated peripheral, brain, and memory impairments related to hypercholesterolemia.
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Affiliation(s)
- Matheus Scarpatto Rodrigues
- Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Porto Alegre, Rio Grande do Sul, Brazil; Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | | | - Mariane Bernardo Duarte
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | - Victoria Linden de Rezende
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | - Jonathann Correa Possato
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | - Hemelin Resende Farias
- Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Porto Alegre, Rio Grande do Sul, Brazil; Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | - Eduarda Behenck Medeiros
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | - Paulo Emilio Feuser
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | - Emilio Luiz Streck
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | | | - Rachel Krolow Santos Silva Bast
- Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Porto Alegre, Rio Grande do Sul, Brazil
| | - Josiane Budni
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | - Andreza Fabro de Bem
- Universidade de Brasília, Instituto de Ciências Biológicas, Brasília, Distrito Federal, Brazil
| | - Paulo César Lock Silveira
- Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil
| | - Jade de Oliveira
- Universidade Federal do Rio Grande do Sul, Programa de Pós-graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Porto Alegre, Rio Grande do Sul, Brazil; Universidade do Extremo Sul Catarinense, Programa de Pós-Graduação em Ciências da Saúde, Criciúma, Santa Catarina, Brazil.
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Jeyaraj SE, Sivasangari K, García-Colunga J, Rajan KE. Environmental enrichment enhances sociability by regulating glutamate signaling pathway through GR by epigenetic mechanisms in amygdala of Indian field mice Mus booduga. Gen Comp Endocrinol 2021; 300:113641. [PMID: 33017584 DOI: 10.1016/j.ygcen.2020.113641] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/24/2020] [Accepted: 09/28/2020] [Indexed: 02/07/2023]
Abstract
Environmental enrichment (EE) dynamically regulates gene expression and synaptic plasticity with positive consequences on behavior. The present study was performed on field-mice to explore the effects of EE on both captive-condition inducing social stress and epigenetic changes of molecules resilience stress. For this purpose, field-mice were caught and allowed to habituate in standard laboratory conditions for 7 days. The next day animals were randomly assigned to three groups: i) mice at short-term standard condition (STSC); which were subjected to social interaction test (SIT) on day 9, ii) mice continuously maintainedfor additional 30 days, with these long-term standard conditions (LTSC), and iii) mice maintained in an EE cage for additional 30 days. After achieving SIT, we examined epigenetic changes of a repertory of molecules associated with resilience stress, by determining their levels by Western blot. Thus, the main findings were that during SIT, EE exerted more social interaction of field-mice with the strangers compared with STSC and LTSC mice. Related with social behavior results, we found that in mice subjected to EE the levels of histone 3 lysine 9 di-methylation (H3K9me2), glucocorticoid receptor (GR), N-methyl-D asparate (NMDA) receptor subunits NR2A and NR2B, postsynaptic density protein-95 (PSD-95), and mature brain-derived neurotrophic factor (mBDNF) were significantly elevated; whereas the levels of DNA methyltransferase-3A (DNMT3A), methyl-CpG-binding protein-2 (MeCP2), repressor element-1 silencing transcription factor (REST), H3K4me2 and lysine demethylase-1A (KDM1A) decreased. These results suggest that enhanced sociability of EE mice could be mediated, in part, by altered expression of molecules regulating glutamate signaling pathway through GR by epigenetic mechanisms.
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Affiliation(s)
- Soundarrajan Edwin Jeyaraj
- Behavioural Neuroscience Laboratory, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, India
| | - Karunanithi Sivasangari
- Behavioural Neuroscience Laboratory, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, India
| | - Jesús García-Colunga
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Juriquilla, Querétaro 76230, Mexico
| | - Koilmani Emmanuvel Rajan
- Behavioural Neuroscience Laboratory, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, India.
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Braga SP, Delanogare E, Machado AE, Prediger RD, Moreira ELG. Switching from high-fat feeding (HFD) to regular diet improves metabolic and behavioral impairments in middle-aged female mice. Behav Brain Res 2020; 398:112969. [PMID: 33075395 DOI: 10.1016/j.bbr.2020.112969] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 09/18/2020] [Accepted: 10/10/2020] [Indexed: 12/30/2022]
Abstract
Obesity represents a risk factor for metabolic syndrome and cardiovascular and psychiatric disorders. Excessive caloric intake, particularly in dietary fats, is an environmental factor that contributes to obesity development. Thus, the observation that switching from long-standing dietary obesity to standard diet (SD) can ameliorate the high-fat diet-induced metabolic, memory, and emotionality-related impairments are particularly important. Herein we investigated whether switching from the high-fat diet (HFD) to SD could improve the metabolic and behavioral impairments observed in middle-aged females C57Bl/6 mice. During twelve weeks, the animals received a high-fat diet (61 % fat) or SD diet. After 12-weeks, the HFD group's diet was switched to SD for an additional four weeks. It was observed a progressive deleterious effect of HFD in metabolic and behavioral parameters in mice. After four weeks of HFD-feeding, the animals showed glucose intolerance and increased locomotor activity. A subsequent increase in the body mass gain, hyperglycemia, and depressive-like behavior was observed after eight weeks, and memory impairments after twelve weeks. After replacing the HFD to SD, it was observed an improvement of metabolic (loss of body mass, normal plasma glucose levels, and glucose tolerance) and behavioral (absence of memory and emotional alterations) parameters. These results demonstrate the temporal development of metabolic and behavioral impairments following HFD in middle-age female mice and provide new evidence that these alterations can be improved by switching back the diet to SD.
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Affiliation(s)
- Sara Pereira Braga
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil
| | - Eslen Delanogare
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil
| | - Adriano Emanuel Machado
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil
| | - Rui Daniel Prediger
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil; Departamento de Farmacologia, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil
| | - Eduardo Luiz Gasnhar Moreira
- Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil; Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil; Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil.
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Delanogare E, de Souza RM, Rosa GK, Guanabara FG, Rafacho A, Moreira ELG. Enriched environment ameliorates dexamethasone effects on emotional reactivity and metabolic parameters in mice. Stress 2020; 23:466-473. [PMID: 32107952 DOI: 10.1080/10253890.2020.1735344] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Convincing evidence shows that stress is associated with the development and course of psychiatric and metabolic disorders. The hypothalamic-pituitary-adrenal (HPA) axis mediates the stress response, a cascade of events that culminate in the release of glucocorticoids from the adrenal cortex. Chronic hypercortisolism typically characterizes stress-related illnesses, such as depression, anxiety, and metabolic syndrome. Considering previous studies pointing that environmental enrichment (EE) mitigates the deleterious effects of stress on neurobiological systems, we hypothesized that EE can confer resiliency against prolonged glucocorticoid administration-induced behavioral and metabolic alterations in mice. In this regard, three-month-old male Swiss mice were exposed to a four-week period of standard environment (SE) or EE. After this period, still in the respective environments, dexamethasone was administered intraperitoneally (i.p.) at a dose of 4 mg/kg, for 21 consecutive days, in order to generate the emotional-related behavioral outcomes, as previously described. It is demonstrated herein that EE prevents the dexamethasone-induced anxiety-like and passive stress-coping behaviors, as observed in the open field and tail suspension tests. Moreover, EE mitigated the hyperproteinemia and body weight loss induced by excess dexamethasone and decreased basal glucose levels. Taken together, these results support the hypothesis that EE attenuates the effects of chronic administration of synthetic glucocorticoids in mice, a strategy that may be translated to the clinical perspective.
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Affiliation(s)
- Eslen Delanogare
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianopolis, Brazil
| | - Raul Marin de Souza
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianopolis, Brazil
| | - Giovana Karoline Rosa
- Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianopolis, Brazil
| | - Fernando Garcia Guanabara
- Hospital Universitário Polydoro Ernani de São Thiago, Universidade Federal de Santa Catarina, Florianópolis, Brasil
| | - Alex Rafacho
- Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianopolis, Brazil
| | - Eduardo Luiz Gasnhar Moreira
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Santa Catarina, Florianopolis, Brazil
- Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianopolis, Brazil
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Macêdo APA, Cordeiro GS, Santos LS, Santo DAE, Perez GS, Couto RD, Machado MEPC, Medeiros JMB. Murinometric measurements and retroperitoneal adipose tissue in young rats exposed to the high-fat diet: Is there correlation? BRAZ J BIOL 2020; 81:246-250. [PMID: 32428096 DOI: 10.1590/1519-6984.221405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 11/16/2019] [Indexed: 11/22/2022] Open
Abstract
AIM This study aimed to verify the correlation between murine measurements and retroperitoneal adipose tissue in rats exposed to the high-fat diet. Material and methods: Wistar male adult rats, descendants of mothers who consumed a high-fat diet during pregnancy and lactation and fed the same diet after weaning were used. At 60 days of life, body weight, longitudinal axis and waist circumference (WC) were measured. The Body Mass Index (BMI) and the Lee Index were calculated for a posterior analysis of the correlation with the amount of retroperitoneal adipose tissue dissected on the same day. For analysis of the data, the Pearson correlation test was used, considering statistical significance for p <0.05. Results: Body weight had a weak correlation (r= 0.31; p= 0.38) with retroperitoneal adipose tissue. While the longitudinal correlated moderately and negative (r= -0.40; p= 0.25). Abdominal circumference (r= 0.62; p= 0.05), body mass index (r= 0.61; p= 0.03) and Lee (r= 0.69; p= 0.03) correlated moderately and positively with adipose tissue. Conclusion: Among the measured murine measurements, weight and longitudinal axis were not good indicators to represent accumulation of retroperitoneal adipose tissue in rats. However, Lee's index seems to be the best murine marker to diagnose the accumulation of retroperitoneal fat. BMI, CA and Lee index were murine parameters with higher correlation.
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Affiliation(s)
- A P A Macêdo
- Programa de Pós-Graduação em Ciências de Alimentos, Faculdade de Farmácia, Universidade Federal da Bahia, Rua Barão de Jeremoabo, s/n, Ondina, Código Postal , Salvador, BA, Brasil
| | - G S Cordeiro
- Programa de Pós-Graduação em Alimento, Nutrição e Saúde, Escola de Nutrição, Universidade Federal da Bahia, Avenida Araújo Pinho, 32, Canela, Código Postal , Salvador, BA, Brasil
| | - L S Santos
- Programa de Pós-Graduação em Alimento, Nutrição e Saúde, Escola de Nutrição, Universidade Federal da Bahia, Avenida Araújo Pinho, 32, Canela, Código Postal , Salvador, BA, Brasil
| | - D A E Santo
- Programa de Pós-Graduação em Alimento, Nutrição e Saúde, Escola de Nutrição, Universidade Federal da Bahia, Avenida Araújo Pinho, 32, Canela, Código Postal , Salvador, BA, Brasil
| | - G S Perez
- Programa de Pós-Graduação em Alimento, Nutrição e Saúde, Escola de Nutrição, Universidade Federal da Bahia, Avenida Araújo Pinho, 32, Canela, Código Postal , Salvador, BA, Brasil
| | - R D Couto
- Programa de Pós-Graduação em Ciências de Alimentos, Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal da Bahia, Rua Barão de Jeremoabo, s/n, Ondina, Código Postal , Salvador, BA, Brasil
| | - M E P C Machado
- Programa de Pós-Graduação em Alimento, Nutrição e Saúde, Departamento de Ciências da Nutrição, Escola de Nutrição, Escola de Nutrição, Universidade Federal da Bahia, Avenida Araújo Pinho, 32, Canela, Código Postal , Salvador, BA, Brasil
| | - J M Barreto Medeiros
- Programa de Pós-Graduação em Alimento, Nutrição e Saúde, Departamento de Ciências da Nutrição, Escola de Nutrição, Universidade Federal da Bahia, Avenida Araújo Pinho, 32, Canela, Código Postal , Salvador, BA, Brasil
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Garcia-Serrano AM, Duarte JMN. Brain Metabolism Alterations in Type 2 Diabetes: What Did We Learn From Diet-Induced Diabetes Models? Front Neurosci 2020; 14:229. [PMID: 32265637 PMCID: PMC7101159 DOI: 10.3389/fnins.2020.00229] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 03/02/2020] [Indexed: 12/27/2022] Open
Abstract
Type 2 diabetes (T2D) is a metabolic disease with impact on brain function through mechanisms that include glucose toxicity, vascular damage and blood–brain barrier (BBB) impairments, mitochondrial dysfunction, oxidative stress, brain insulin resistance, synaptic failure, neuroinflammation, and gliosis. Rodent models have been developed for investigating T2D, and have contributed to our understanding of mechanisms involved in T2D-induced brain dysfunction. Namely, mice or rats exposed to diabetogenic diets that are rich in fat and/or sugar have been widely used since they develop memory impairment, especially in tasks that depend on hippocampal processing. Here we summarize main findings on brain energy metabolism alterations underlying dysfunction of neuronal and glial cells promoted by diet-induced metabolic syndrome that progresses to a T2D phenotype.
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Affiliation(s)
- Alba M Garcia-Serrano
- Department of Experimental Medical Science, Faculty of Medicine, Lund University, Lund, Sweden.,Wallenberg Centre for Molecular Medicine, Faculty of Medicine, Lund University, Lund, Sweden
| | - João M N Duarte
- Department of Experimental Medical Science, Faculty of Medicine, Lund University, Lund, Sweden.,Wallenberg Centre for Molecular Medicine, Faculty of Medicine, Lund University, Lund, Sweden
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Blossom SJ, Melnyk SB, Simmen FA. Complex epigenetic patterns in cerebellum generated after developmental exposure to trichloroethylene and/or high fat diet in autoimmune-prone mice. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2020; 22:583-594. [PMID: 31894794 PMCID: PMC7350281 DOI: 10.1039/c9em00514e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Trichloroethylene (TCE) is an environmental contaminant associated with immune-mediated inflammatory disorders and neurotoxicity. Based on known negative effects of developmental overnutrition on neurodevelopment, we hypothesized that developmental exposure to high fat diet (HFD) consisting of 40% kcal fat would enhance neurotoxicity of low-level (6 μg per kg per day) TCE exposure in offspring over either stressor alone. Male offspring were evaluated at ∼6 weeks of age after exposure beginning 4 weeks preconception in the dams until weaning. TCE, whether used as a single exposure or together with HFD, appeared to be more robust than HFD alone in altering one-carbon metabolites involved in glutathione redox homeostasis and methylation capacity. In contrast, opposing effects of expression of key enzymes related to DNA methylation related to HFD and TCE exposure were observed. The mice generated unique patterns of anti-brain antibodies detected by western blotting attributable to both TCE and HFD. Taken together, developmental exposure to TCE and/or HFD appear to act in complex ways to alter brain biomarkers in offspring.
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Affiliation(s)
- Sarah J Blossom
- Department of Pediatrics, University of Arkansas for Medical Sciences, Arkansas Children's Research Institute, Little Rock, AR 72202, USA.
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