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Mota INR, Satari S, Marques IS, Santos JMO, Medeiros R. Adipose tissue rearrangement in cancer cachexia: The involvement of β3-adrenergic receptor associated pathways. Biochim Biophys Acta Rev Cancer 2024; 1879:189103. [PMID: 38679401 DOI: 10.1016/j.bbcan.2024.189103] [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: 10/17/2023] [Revised: 04/08/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Abstract
Cancer-associated cachexia (CAC) is a complex multiple organ syndrome that significantly contributes to reduced quality of life and increased mortality among many cancer patients. Its multifactorial nature makes its early diagnosis and effective therapeutic interventions challenging. Adipose tissue is particularly impacted by cachexia, typically through increased lipolysis, browning and thermogenesis, mainly at the onset of the disease. These processes lead to depletion of fat mass and contribute to the dysfunction of other organs. The β-adrenergic signalling pathways are classical players in the regulation of adipose tissue metabolism. They are activated upon sympathetic stimulation inducing lipolysis, browning and thermogenesis, therefore contributing to energy expenditure. Despite accumulating evidence suggesting that β3-adrenergic receptor stimulation may be crucial to the adipose tissue remodelling during cachexia, the literature remains controversial. Moreover, there is limited knowledge regarding sexual dimorphism of adipose tissue in the context of cachexia. This review paper aims to present the current knowledge regarding adipose tissue wasting during CAC, with a specific focus on the role of the β3-adrenergic receptor, placing it as a potential therapeutic target against cachexia.
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Affiliation(s)
- Inês N R Mota
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto), Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), 4200-072 Porto, Portugal; Faculty of Sciences, University of Porto (FCUP), 4169-007 Porto, Portugal.
| | - Setareh Satari
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto), Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), 4200-072 Porto, Portugal; Faculty of Medicine, University of Porto (FMUP), 4200-319 Porto, Portugal.
| | - Inês Soares Marques
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto), Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), 4200-072 Porto, Portugal; Faculty of Sciences, University of Porto (FCUP), 4169-007 Porto, Portugal.
| | - Joana M O Santos
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto), Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), 4200-072 Porto, Portugal; Research Department of the Portuguese League Against Cancer - Regional Nucleus of the North (Liga Portuguesa Contra o Cancro - Núcleo Regional do Norte), 4200-172 Porto, Portugal.
| | - Rui Medeiros
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto), Porto Comprehensive Cancer Center Raquel Seruca (Porto.CCC), 4200-072 Porto, Portugal; Research Department of the Portuguese League Against Cancer - Regional Nucleus of the North (Liga Portuguesa Contra o Cancro - Núcleo Regional do Norte), 4200-172 Porto, Portugal; Virology Service, Portuguese Oncology Institute of Porto (IPO Porto), 4200-072 Porto, Portugal; Biomedical Research Center (CEBIMED), Faculty of Health Sciences of the Fernando Pessoa University, 4249-004 Porto, Portugal.
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2
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Song J, Lee H, Heo H, Lee J, Kim Y. Effects of Chrysoeriol on Adipogenesis and Lipolysis in 3T3-L1 Adipocytes. Foods 2022; 12:foods12010172. [PMID: 36613388 PMCID: PMC9818938 DOI: 10.3390/foods12010172] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 01/03/2023] Open
Abstract
We examined the effect of chrysoeriol on adipogenesis and lipolysis and elucidated the underlying molecular mechanisms. Chrysoeriol inhibited fat deposition in adipocytes. Treatment with chrysoeriol suppressed the expression of peroxisome proliferator-activated receptor γ, fatty acid synthase, fatty acid-binding protein, CCAAT/enhancer-binding proteins (C/EBP) α, C/EBPβ, and sterol regulatory element-binding protein-1. In addition, chrysoeriol significantly elevated the activation of 5'-adenosine monophosphate-activated protein kinase. Moreover, chrysoeriol increased free glycerol and fatty acid levels and promoted lipolysis in adipocytes. Overexpression of adipose triglyceride lipase and hormone-sensitive lipase by chrysoeriol led to increased lipolysis in 3T3-L1 adipocytes. Taken together, chrysoeriol showed anti-adipogenic and lipolytic properties in adipocytes.
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Affiliation(s)
- Jinhee Song
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Hana Lee
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Huijin Heo
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Junsoo Lee
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Younghwa Kim
- Department of Food Science and Biotechnology, Kyungsung University, Busan 48434, Republic of Korea
- Correspondence: ; Tel.: +82-51-663-4652; Fax: +82-51-663-4709
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Riyono A, Tinduh D, Othman Z, Herawati L. Moderate intensity continuous and interval training affect visceral fat and insulin resistance model in female rat exposed high calorie diet. COMPARATIVE EXERCISE PHYSIOLOGY 2022. [DOI: 10.3920/cep220013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Chronic high-calorie diet (HCD) combined with physical inactivity promotes obesity and insulin resistance (IR). This study aimed to analyse the comparable effect of moderate-intensity continuous training (MICT) and moderate-intensity interval training (MIIT) on visceral fat weight and IR in subjects exposed to HCD. This randomised post-test research used only a control group design with female rats (Wistar norvegicus), 8 weeks old and 100-200 g of bodyweight. They were randomly divided into four groups: standard diet group (C), HCD group (C1), HCD combined with MICT group (C2) and HCD combined with MIIT group (C3). Each group consisted of six rats. HCD consisted of ad libitum standard diet plus dextrose solution by oral gavage for 4 weeks. The MICT was conducted by swimming plus 6% load of body weight for 10 min in the first week, for 20 min in the second week and 30 min in the third and fourth week. The MIIT was conducted by swimming in a ratio between swimming and rest time at 2:1 plus 6% load of BW, performed 5×/week for 4 weeks, and increased progressively. The mean body weight pre-intervention was 152.79±13.280 g and 150.12±9.195 g post-intervention (P=0.115). The mean fasting blood glucose pre-intervention was 79±8.668 mg/dl, and post-intervention 86.29±12.142 mg/dl (P=0.142). The mean visceral fat weight between C (1.94±0.66 g), C1 (1.45±0.47 g), C2 (1.41±0.44 g), and C3 (1.22±0.59 g) was not significant (P=0.179). The mean triglyceride level for C (173.33±30.30 mg/dl), C1 (157.16±47.32 mg/dl), C2 (112.83±25.49 mg/dl), and C3 (80.33±23.47 mg/dl) was significant (P=0.000). The mean IR model for C (4.796±0.070), C1 (4.728±0.125), C2 (4.620±0.123), C3 (4.360±0.143) was significant (P=0.000). In conclusion, both MICT and MIIT have an effect to improve IR and TG. The MIIT was more effective to improve IR compared to MICT in the female rats exposed to an HCD.
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Affiliation(s)
- A. Riyono
- Master Program of Basic Medicine Science, Faculty of Medicine, Universitas Airlangga, Jalan Mayjend Prof. Dr. Moestopo No. 4-8, Surabaya 60131, Indonesia
| | - D. Tinduh
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Universitas Airlangga, Jalan Mayjend Prof. Dr. Moestopo No. 4-8, Surabaya 60131, Indonesia
| | - Z. Othman
- Faculty of Health and Life Science, Management and Science University, Shah Alam, Selangor 40100, Malaysia
| | - L. Herawati
- Departement of Physiology, Faculty of Medicine, Universitas Airlangga, Jl Prof Dr Moestopo 47, Surabaya 60131, Indonesia
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Kasza I, Kühn JP, Völzke H, Hernando D, Xu YG, Siebert JW, Gibson ALF, Yen CLE, Nelson DW, MacDougald OA, Richardson NE, Lamming DW, Kern PA, Alexander CM. Contrasting recruitment of skin-associated adipose depots during cold challenge of mouse and human. J Physiol 2022; 600:847-868. [PMID: 33724479 PMCID: PMC8443702 DOI: 10.1113/jp280922] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 03/02/2021] [Indexed: 02/03/2023] Open
Abstract
KEY POINTS Several distinct strategies produce and conserve heat to maintain the body temperature of mammals, each associated with unique physiologies, with consequences for wellness and disease susceptibility Highly regulated properties of skin offset the total requirement for heat production We hypothesize that the adipose component of skin is primarily responsible for modulating heat flux; here we evaluate the relative regulation of adipose depots in mouse and human, to test their recruitment to heat production and conservation We found that insulating mouse dermal white adipose tissue accumulates in response to environmentally and genetically induced cool stress; this layer is one of two adipose depots closely apposed to mouse skin, where the subcutaneous mammary gland fat pads are actively recruited to heat production In contrast, the body-wide adipose depot associated with human skin produces heat directly, potentially creating an alternative to the centrally regulated brown adipose tissue ABSTRACT: Mammalian skin impacts metabolic efficiency system-wide, controlling the rate of heat loss and consequent heat production. Here we compare the unique fat depots associated with mouse and human skin, to determine whether they have corresponding functions and regulation. For humans, we assay a skin-associated fat (SAF) body-wide depot to distinguish it from the subcutaneous fat pads characteristic of the abdomen and upper limbs. We show that the thickness of SAF is not related to general adiposity; it is much thicker (1.6-fold) in women than men, and highly subject-specific. We used molecular and cellular assays of β-adrenergic-induced lipolysis and found that dermal white adipose tissue (dWAT) in mice is resistant to lipolysis; in contrast, the body-wide human SAF depot becomes lipolytic, generating heat in response to β-adrenergic stimulation. In mice challenged to make more heat to maintain body temperature (either environmentally or genetically), there is a compensatory increase in thickness of dWAT: a corresponding β-adrenergic stimulation of human skin adipose (in vivo or in explant) depletes adipocyte lipid content. We summarize the regulation of skin-associated adipocytes by age, sex and adiposity, for both species. We conclude that the body-wide dWAT depot of mice shows unique regulation that enables it to be deployed for heat preservation; combined with the actively lipolytic subcutaneous mammary fat pads they enable thermal defence. The adipose tissue that covers human subjects produces heat directly, providing an alternative to the brown adipose tissues.
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Affiliation(s)
- Ildiko Kasza
- McArdle Laboratory for Cancer Research, University of
Wisconsin-Madison, Germany
| | - Jens-Peter Kühn
- Institute and Policlinic of Diagnostic and Interventional
Radiology, Medical Faculty Carl Gustav Carus, Technical University Dresden,
Germany
| | - Henry Völzke
- Institute of Community Medicine, University of Greifswald,
Germany
| | - Diego Hernando
- Department of Radiology, University of Wisconsin-School of
Medicine and Public Health,Department of Medical Physics, University of
Wisconsin-School of Medicine and Public Health
| | - Yaohui G. Xu
- Department of Dermatology, University of Wisconsin-School
of Medicine and Public Health
| | - John W. Siebert
- Department of Surgery, University of Wisconsin-School of
Medicine and Public Health
| | - Angela LF Gibson
- Department of Surgery, University of Wisconsin-School of
Medicine and Public Health
| | - C.-L. Eric Yen
- Department of Nutritional Sciences, University of
Wisconsin-Madison
| | - David W. Nelson
- Department of Nutritional Sciences, University of
Wisconsin-Madison
| | | | - Nicole E. Richardson
- Department of Medicine, University of Wisconsin-School of
Medicine and Public Health,William S. Middleton Memorial Veterans Hospital, Madison,
Wisconsin
| | - Dudley W. Lamming
- Department of Medicine, University of Wisconsin-School of
Medicine and Public Health,William S. Middleton Memorial Veterans Hospital, Madison,
Wisconsin
| | - Philip A. Kern
- Department of Internal Medicine, University of Kentucky,
Lexington
| | - CM Alexander
- McArdle Laboratory for Cancer Research, University of
Wisconsin-Madison, Germany,corresponding author: CM Alexander, McArdle
Laboratory for Cancer Research, University of Wisconsin-Madison, 1111 Highland
Ave, Madison WI 53705-2275. Ph: 608-265 5182;
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5
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Axsom JE, Schmidt HD, Matura LA, Libonati JR. The Influence of Epigenetic Modifications on Metabolic Changes in White Adipose Tissue and Liver and Their Potential Impact in Exercise. Front Physiol 2021; 12:686270. [PMID: 34512374 PMCID: PMC8427663 DOI: 10.3389/fphys.2021.686270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/30/2021] [Indexed: 12/27/2022] Open
Abstract
Background: Epigenetic marks are responsive to a wide variety of environmental stimuli and serve as important mediators for gene transcription. A number of chromatin modifying enzymes orchestrate epigenetic responses to environmental stimuli, with a growing body of research examining how changes in metabolic substrates or co-factors alter epigenetic modifications. Scope of Review: Here, we provide a systematic review of existing evidence of metabolism-related epigenetic changes in white adipose tissue (WAT) and the liver and generate secondary hypotheses on how exercise may impact metabolism-related epigenetic marks in these tissues. Major Conclusions: Epigenetic changes contribute to the complex transcriptional responses associated with WAT lipolysis, hepatic de novo lipogenesis, and hepatic gluconeogenesis. While these metabolic responses may hypothetically be altered with acute and chronic exercise, direct testing is needed.
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Affiliation(s)
- Jessie E Axsom
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA, United States.,Penn Cardiovascular Institute, Smilow Translational Research Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Heath D Schmidt
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA, United States.,Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Lea Ann Matura
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA, United States
| | - Joseph R Libonati
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA, United States
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6
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Vettori A, Paolacci S, Maltese PE, Herbst KL, Cestari M, Michelini S, Michelini S, Samaja M, Bertelli M. Genetic Determinants of the Effects of Training on Muscle and Adipose Tissue Homeostasis in Obesity Associated with Lymphedema. Lymphat Res Biol 2020; 19:322-333. [PMID: 33373545 DOI: 10.1089/lrb.2020.0057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
It is widely accepted that metabolic changes associated with training are influenced by a person's genetic background. In this review, we explore the polymorphisms underlying interindividual variability in response to training of weight loss and muscle mass increase in obese individuals, with or without lymphedema, and in normal-weight subjects. We searched PubMed for articles in English published up to May 2019 using the following keywords: (((physical training[Title/Abstract] OR sport activity[Title/Abstract]) AND predisposition[Title/Abstract]) AND polymorphism [Title/Abstract]). We identified 38 single-nucleotide polymorphisms that may modulate the genetic adaptive response to training. The identification of genetic marker(s) that improve the beneficial effects of training may in perspective make it possible to assess training programs, which in combination with dietary intervention can optimize body weight reduction in obese subjects, with or without lymphedema. This is particularly important for patients with lymphedema because obesity can worsen the clinical status, and therefore, a personalized approach that could reduce obesity would be fundamental in the clinical management of lymphedema.
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Affiliation(s)
- Andrea Vettori
- Department of Biotechnology, University of Verona, Verona, Italy
| | | | | | - Karen L Herbst
- Department of Medicine, University of Arizona, Tucson, Arizona, USA.,Department of Pharmacy, University of Arizona, Tucson, Arizona, USA.,Department of Medical Imaging, University of Arizona, Tucson, Arizona, USA.,Department of Surgery, University of Arizona, Tucson, Arizona, USA
| | - Marina Cestari
- Study Centre Pianeta Linfedema, Terni, Italy.,Lymphology Sector of the Rehabilitation Service, USLUmbria2, Terni, Italy
| | - Sandro Michelini
- Department of Vascular Rehabilitation, San Giovanni Battista Hospital, Rome, Italy
| | - Serena Michelini
- Unit of Physical Medicine and Rehabilitation, Sant'Andrea Hospital, "Sapienza" University of Rome, Rome, Italy
| | - Michele Samaja
- Department of Health Science, University of Milan-San Paolo Hospital, Milan, Italy
| | - Matteo Bertelli
- MAGI'S Lab, Rovereto, Italy.,MAGI Euregio, Bolzano, Italy.,EBTNA-LAB, Rovereto, Italy
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7
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The Regulation of Fat Metabolism During Aerobic Exercise. Biomolecules 2020; 10:biom10121699. [PMID: 33371437 PMCID: PMC7767423 DOI: 10.3390/biom10121699] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/09/2020] [Accepted: 12/15/2020] [Indexed: 12/19/2022] Open
Abstract
Since the lipid profile is altered by physical activity, the study of lipid metabolism is a remarkable element in understanding if and how physical activity affects the health of both professional athletes and sedentary subjects. Although not fully defined, it has become clear that resistance exercise uses fat as an energy source. The fatty acid oxidation rate is the result of the following processes: (a) triglycerides lipolysis, most abundant in fat adipocytes and intramuscular triacylglycerol (IMTG) stores, (b) fatty acid transport from blood plasma to muscle sarcoplasm, (c) availability and hydrolysis rate of intramuscular triglycerides, and (d) transport of fatty acids through the mitochondrial membrane. In this review, we report some studies concerning the relationship between exercise and the aforementioned processes also in light of hormonal controls and molecular regulations within fat and skeletal muscle cells.
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Sylvester E, Yi W, Han M, Deng C. Exercise intervention for preventing risperidone-induced dyslipidemia and gluco-metabolic disorders in female juvenile rats. Pharmacol Biochem Behav 2020; 199:173064. [PMID: 33127383 DOI: 10.1016/j.pbb.2020.173064] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 09/30/2020] [Accepted: 10/23/2020] [Indexed: 01/02/2023]
Abstract
Risperidone use in children and adolescents is associated with the development of metabolic disorders including increased accumulation of body fat, dyslipidemia, and glucose and insulin metabolism dysregulation. As pharmacological interventions are often limited in their ability to treat a range of side-effects, this study aimed to evaluate the effectiveness of daily voluntary exercise intervention to prevent metabolic side-effects induced by risperidone in juveniles. Thirty-two juvenile female Sprague Dawley rats were treated with risperidone (0.9 mg/kg; b.i.d; n = 16) or vehicle (0.3 g cookie dough pellet; n = 16). These rats were then assigned to a sedentary or voluntary exercise intervention (three hours daily access to running wheels) group (n = 8/group) for a period of four weeks. An intra-peritoneal glucose tolerance test was performed after three weeks of risperidone treatment and exercise intervention to assess glucose tolerance. During the exercise intervention, risperidone-treated rats ran significantly less than vehicle-treated rats. Risperidone treatment of sedentary rats resulted in significantly increased white adipose tissue, fasting triglyceride and fasting insulin compared to vehicle-treated sedentary rats. Exercise intervention of risperidone-treated rats prevented significant increases in these metabolic parameters compared to risperidone-treated sedentary rats. These results support voluntary exercise as an effective mitigator of metabolic side-effects associated with risperidone treatment in juvenile rats. Dyslipidemia and dysregulation of glucose and insulin metabolism are significant risk factors for morbidities and mortality later in life, therefore a focus on strategies to mitigate these adverse effects is critical. Our findings support clinical trials in exercise intervention to prevent metabolic disorders associated with antipsychotic medication in children and adolescents.
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Affiliation(s)
- Emma Sylvester
- Antipsychotic Research Laboratory, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; School of Medicine and Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Weijie Yi
- Antipsychotic Research Laboratory, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; School of Medicine and Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia; Department of Nutrition and Food Hygiene, School of Public Health and Management, Binzhou Medical University, Yantai, Shandong 264003, China
| | - Mei Han
- Antipsychotic Research Laboratory, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; School of Medicine and Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Chao Deng
- Antipsychotic Research Laboratory, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; School of Medicine and Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia.
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9
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Kato H, Ogasawara J, Takakura H, Shirato K, Sakurai T, Kizaki T, Izawa T. Exercise Training-Enhanced Lipolytic Potency to Catecholamine Depends on the Time of the Day. Int J Mol Sci 2020; 21:ijms21186920. [PMID: 32967199 PMCID: PMC7554872 DOI: 10.3390/ijms21186920] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/16/2020] [Accepted: 09/19/2020] [Indexed: 12/22/2022] Open
Abstract
Exercise training is well known to enhance adipocyte lipolysis in response to hormone challenge. However, the existence of a relationship between the timing of exercise training and its effect on adipocyte lipolysis is unknown. To clarify this issue, Wistar rats were run on a treadmill for 9 weeks in either the early part (E-EX) or late part of the active phase (L-EX). L-EX rats exhibited greater isoproterenol-stimulated lipolysis expressed as fold induction over basal lipolysis, with greater protein expression levels of hormone-sensitive lipase (HSL) phosphorylated at Ser 660 compared to E-EX rats. Furthermore, we discovered that Brain and muscle Arnt-like (BMAL)1 protein can associate directly with several protein kinase A (PKA) regulatory units (RIα, RIβ, and RIIβ) of protein kinase, its anchoring protein (AKAP)150, and HSL, and that the association of BMAL1 with the regulatory subunits of PKA, AKAP150, and HSL was greater in L-EX than in E-EX rats. In contrast, comparison between E-EX and their counterpart sedentary control rats showed a greater co-immunoprecipitation only between BMAL1 and ATGL. Thus, both E-EX and L-EX showed an enhanced lipolytic response to isoproterenol, but the mechanisms underlying exercise training-enhanced lipolytic response to isoproterenol were different in each group.
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Affiliation(s)
- Hisashi Kato
- Organization for Research Initiatives and Development, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe City, Kyoto 610-0394, Japan;
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe City, Kyoto 610-0394, Japan;
| | - Junetsu Ogasawara
- Department of Health Science, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, Hokkaido 078-8510, Japan;
| | - Hisashi Takakura
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe City, Kyoto 610-0394, Japan;
| | - Ken Shirato
- Department of Molecular Predictive Medicine and Sport Science, Kyorin University of School Medicine, 6-20-2 Shinkawa, Mitaka, Tokyo 181-8611, Japan; (K.S.); (T.S.); (T.K.)
| | - Takuya Sakurai
- Department of Molecular Predictive Medicine and Sport Science, Kyorin University of School Medicine, 6-20-2 Shinkawa, Mitaka, Tokyo 181-8611, Japan; (K.S.); (T.S.); (T.K.)
| | - Takako Kizaki
- Department of Molecular Predictive Medicine and Sport Science, Kyorin University of School Medicine, 6-20-2 Shinkawa, Mitaka, Tokyo 181-8611, Japan; (K.S.); (T.S.); (T.K.)
| | - Tetsuya Izawa
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe City, Kyoto 610-0394, Japan;
- Graduate School of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe City, Kyoto 610-0394, Japan
- Correspondence: ; Tel.: +81-424-65-6721; Fax: +81-424-65-6729
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10
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Shan B, Ai Z, Zeng S, Song Y, Song J, Zeng Q, Liao Z, Wang T, Huang C, Su D. Gut microbiome-derived lactate promotes to anxiety-like behaviors through GPR81 receptor-mediated lipid metabolism pathway. Psychoneuroendocrinology 2020; 117:104699. [PMID: 32402927 DOI: 10.1016/j.psyneuen.2020.104699] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 04/18/2020] [Accepted: 04/20/2020] [Indexed: 01/06/2023]
Abstract
Accumulating evidence suggests that chronic stress could perturb the composition of the gut microbiota and induce host anxiety- and depression-like behaviors. In particular, microorganism-derived products that can directly or indirectly signal to the nervous system. This study sought to investigate whether high levels of Lactobacillus and lactate in the gut of rats under chronic unpredictable stress (CUS) were the factors leading to anxiety behavior. We collected faeces and blood samples in a sterile laboratory bench to study the microbiome and plasma metabolome from adult male rats age and environment matched healthy individuals. We sequenced the V3 and V4 regions of the 16S rRNA gene from faeces samples. UPLC-MS metabolomics were used to examine plasma samples. Search for potential biomarkers by combining the different data types. Finally, we found a regulated signaling pathway through the relative expression of protein and mRNA. Both lactate feeding and fecal microbiota transplantation caused behavioral abnormalities such as psychomotor malaise, impaired learning and memory in the recipient animals. These rats also showed inhibition of the adenylate cyclase (AC)-protein kinase A (PKA) pathway of lipolysis after activation of G protein-coupled receptor 81 (GPR81) by lactate in the liver, as well as increased tumor necrosis factor α (TNF-α), compared with healthy controls. Furthermore, we showed that sphingosine-1-phosphate receptor 2 (S1PR2) protein expression in hippocampus was reduced in chronic unpredictable stress compared to control group and its expression negatively correlates with symptom severity. Our study suggest that the gut microbiome-derived lactate promotes to anxiety-like behaviors through GPR81 receptor-mediated lipid metabolism pathway.
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Affiliation(s)
- Baixi Shan
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China
| | - Zhifu Ai
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China
| | - Sufen Zeng
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China
| | - Yonggui Song
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China.
| | - Jiagui Song
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China
| | - Qiang Zeng
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China
| | - Zhou Liao
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China
| | - Tingting Wang
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China
| | - Chao Huang
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China
| | - Dan Su
- Laboratory Animal Science and Technology Center, College of Pharmacy, College of Science and Technology, Jiangxi University of Traditional Chinese Medicine, 1688 Meiling Road, Nanchang, 330004, China.
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11
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Son M, Oh S, Choi J, Jang JT, Choi CH, Park KY, Son KH, Byun K. The Phlorotannin-Rich Fraction of Ecklonia cava Extract Attenuated the Expressions of the Markers Related with Inflammation and Leptin Resistance in Adipose Tissue. Int J Endocrinol 2020; 2020:9142134. [PMID: 32215011 PMCID: PMC7081028 DOI: 10.1155/2020/9142134] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/26/2019] [Accepted: 01/13/2020] [Indexed: 12/11/2022] Open
Abstract
Obesity is associated with systemic chronic inflammation, and it induces central leptin resistance which blocks the appetite-suppressing effect of leptin and leptin resistance in adipocytes. In the present study, we evaluated the effects of Ecklonia cava extract (ECE), which contained rich phlorotannins, on inflammation and leptin resistance in the adipose tissue of a diet-induced obese model. Effects of ECE on fat deposition, inflammation, M1/M2 macrophage, and T-cell infiltrations were investigated, and leptin resistance and SOCS3 were also measured in adipose tissue. Furthermore, ECE attenuated the expression of inflammation-related receptors such as TLR4 and RAGE and leptin resistance by reducing SOCS3 expression, increasing expression of leptin receptor in adipose tissue, and increasing lipolysis. ECE showed antiadiposity and anti-inflammatory effects, attenuated leptin resistance, and increased lipolysis in the diet-induced obese model. This study shows that ECE is a suitable dietary supplement candidate for the prevention or treatment of obesity or obesity-associated diseases, especially inflammation-related diseases.
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Affiliation(s)
- Myeongjoo Son
- Department of Anatomy & Cell Biology, Gachon University College of Medicine, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, College of Medicine, Department of Medicine, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Seyeon Oh
- Functional Cellular Networks Laboratory, College of Medicine, Department of Medicine, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Junwon Choi
- Department of Anatomy & Cell Biology, Gachon University College of Medicine, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, College of Medicine, Department of Medicine, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
| | - Ji Tae Jang
- Aqua Green Technology Co., Ltd., Smart Bldg., Jeju Science Park, Jeju 63309, Republic of Korea
| | - Chang Hu Choi
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
| | - Kook Yang Park
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
| | - Kuk Hui Son
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
| | - Kyunghee Byun
- Department of Anatomy & Cell Biology, Gachon University College of Medicine, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, College of Medicine, Department of Medicine, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
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12
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Torres-Villarreal D, Camacho A, Castro H, Ortiz-Lopez R, de la Garza AL. Anti-obesity effects of kaempferol by inhibiting adipogenesis and increasing lipolysis in 3T3-L1 cells. J Physiol Biochem 2018; 75:83-88. [PMID: 30539499 DOI: 10.1007/s13105-018-0659-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 12/02/2018] [Indexed: 02/06/2023]
Abstract
Kaempferol is a natural flavonoid widely found in fruits, vegetables, and tea. Kaempferol possesses beneficial biological properties such as anti-inflammatory and antioxidant activities. Positive energy balance during obesity correlates with a pro-inflammatory chronic state. In this context, we hypothesized that kaempferol might promote anti-obesity effects by modulating adipogenesis and lipolytic pathways. Adipocyte viability at 24, 48, and 72 h was measured by an ATP-based assay. Pre-adipocytes (day 0) or mature adipocytes (day 12) were treated with 60 μM kaempferol until day 21 to evaluate its potential anti-adipogenic and lipolytic effect, respectively. Total lipid accumulation was assessed using Oil Red O staining assay. Gene expression was measured by RT-qPCR to evaluate the effect of kaempferol on adipogenesis and lipolysis gene expression. Our results showed a dose-dependent effect of kaempferol treatment on cell viability promoting cell death at higher than 60 μM concentration. Pre-adipocytes stimulation by 60 μM kaempferol resulted in 62% adipogenesis inhibition whereas in mature adipocytes, it reduced 39% intracellular lipid accumulation. Also, 60 μM kaempferol treatment decreased Cebpa mRNA expression when compared to control cells. In contrast, Pnpla2 and Lipe gene expression were upregulated in 3T3-L1 cells incubated with 60 μM kaempferol. In summary, our results showed that kaempferol modulates adipogenic differentiation in 3T3-L1 cells by promoting downregulation of Cebpa gene expression and decreasing lipid accumulation in mature adipocytes by its positive effects on Pnpla2 and Lipe mRNA levels. Kaempferol might display an anti-obesity effect.
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Affiliation(s)
- D Torres-Villarreal
- Facultad de Salud Pública y Nutrición, Centro de Investigación en Nutrición y Salud Pública, Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo León, Mexico
| | - A Camacho
- Facultad de Medicna, Departamento de Bioquímica y Medicina Molecular, Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo León, Mexico.,Unidad de Neurometabolismo, Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo León, Mexico
| | - H Castro
- Facultad de Salud Pública y Nutrición, Centro de Investigación en Nutrición y Salud Pública, Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo León, Mexico
| | - R Ortiz-Lopez
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey, Nuevo León, Mexico
| | - A L de la Garza
- Facultad de Salud Pública y Nutrición, Centro de Investigación en Nutrición y Salud Pública, Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo León, Mexico. .,Unidad de Nutrición, Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo León, Mexico.
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13
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Silveira LS, Batatinha HAP, Castoldi A, Câmara NOS, Festuccia WT, Souza CO, Rosa Neto JC, Lira FS. Exercise rescues the immune response fine-tuned impaired by peroxisome proliferator-activated receptors γ deletion in macrophages. J Cell Physiol 2018; 234:5241-5251. [PMID: 30238979 DOI: 10.1002/jcp.27333] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 08/10/2018] [Indexed: 12/28/2022]
Abstract
BACKGROUND Exercise is a powerful tool for prevention and treatment of many conditions related to the cardiovascular system and also chronic low-grade inflammation. Peroxisome proliferator-activated receptors γ (PPARγ) exerts an import role on the regulation of metabolic profile and subsequent inflammatory response, especially in macrophages. PURPOSE To investigate the effects of 8-week moderate-exercise training on metabolic and inflammatory parameters in mice with PPARγ deficiency in myeloid cells. METHODS Twelve-week old mice bearing PPARγ deletion exclusively in myeloid cells (PPARγlox/lox Lys Cre -/+ , knockout [KO]) and littermate controls (PPARγlox/lox Lys Cre -/- , wild type [WT]) were submitted to 8-week exercise training (treadmill running at moderate intensity, 5 days/week). Animals were evaluated for food intake, glucose homeostasis, serum metabolites, adipose tissue and peritoneal macrophage inflammation, and basal and stimulated cytokine secretion. RESULTS Exercise protocol did not improve glucose metabolism or adiponectin concentrations in serum of KO mice. Moreover, the absence of PPARγ in macrophages exacerbated the proinflammatory profile in sedentary mice. Peritoneal cultured cells had higher tumor necrosis factor-α (TNF-α) secretion in nonstimulated and lipopolysaccharide (LPS)-stimulated conditions and higher Toll-4 receptor (TLR4) gene expression under LPS stimulus. Trained mice showed reduced TNF-α content in adipose tissue independently of the genotype. M2 polarization ability was impaired in KO peritoneal macrophages after exercise training, while adipose tissue-associated macrophages did not present any effect by PPARγ ablation. CONCLUSION Overall, PPARγ seems necessary to maintain macrophages appropriate response to inflammatory stimulus and macrophage polarization, affecting also whole body lipid metabolism and adiponectin profile. Exercise training showed as an efficient mechanism to restore the immune response impaired by PPARγ deletion in macrophages.
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Affiliation(s)
- Loreana Sanches Silveira
- Department of Physical Education, Exercise and Immunometabolism Research Group, Post-Graduation Program in Movement Sciences, Sao Paulo State University (UNESP), São Paulo, Brazil.,Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | | | - Angela Castoldi
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | | | - Willian T Festuccia
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Camila Oliveira Souza
- Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - José Cesar Rosa Neto
- Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - Fábio Santos Lira
- Department of Physical Education, Exercise and Immunometabolism Research Group, Post-Graduation Program in Movement Sciences, Sao Paulo State University (UNESP), São Paulo, Brazil
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14
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Tamisier R, Weiss JW, Pépin JL. Sleep biology updates: Hemodynamic and autonomic control in sleep disorders. Metabolism 2018; 84:3-10. [PMID: 29572132 DOI: 10.1016/j.metabol.2018.03.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 03/13/2018] [Accepted: 03/14/2018] [Indexed: 02/07/2023]
Abstract
Sleep disorders like obstructive sleep apnea syndrome, periodic limb movements in sleep syndrome, insomnia and narcolepsy-cataplexy are all associated with an increased risk of cardiovascular diseases. These disorders share an impaired autonomic nervous system regulation that leads to increased cardiovascular sympathetic tone. This increased cardiovascular sympathetic tone is, in turn, likely to play a major role in the increased risk of cardiovascular disease. Different stimuli, such as intermittent hypoxia, sleep fragmentation, decrease in sleep duration, increased respiratory effort, and transient hypercapnia may all initiate the pathophysiological cascade leading to sympathetic overactivity and some or all of these are encountered in these different sleep disorders. In this manuscript, we outline the different pathways leading to sympathetic over-activity in different sleep conditions. This augmented sympathetic tone is likely to play an important role in the development of cardiovascular disease in patients with sleep disorders, and it is further hypothesized to that sympathoexcitation contributes to the metabolic dysregulation associated with these sleep disorders.
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Affiliation(s)
- Renaud Tamisier
- University Grenoble Alpes, HP2, Inserm 1042, Grenoble F-38042, France; Physiology Sleep and Exercise Clinic, Thorax and Vessel division, Grenoble Alpes hospital, Grenoble 38043, France.
| | - J Woodrow Weiss
- Pulmonary Physiology Laboratory, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA 02215, United States
| | - Jean Louis Pépin
- University Grenoble Alpes, HP2, Inserm 1042, Grenoble F-38042, France; Physiology Sleep and Exercise Clinic, Thorax and Vessel division, Grenoble Alpes hospital, Grenoble 38043, France
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15
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Purdom T, Kravitz L, Dokladny K, Mermier C. Understanding the factors that effect maximal fat oxidation. J Int Soc Sports Nutr 2018; 15:3. [PMID: 29344008 PMCID: PMC5766985 DOI: 10.1186/s12970-018-0207-1] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 01/02/2018] [Indexed: 12/02/2022] Open
Abstract
Lipids as a fuel source for energy supply during submaximal exercise originate from subcutaneous adipose tissue derived fatty acids (FA), intramuscular triacylglycerides (IMTG), cholesterol and dietary fat. These sources of fat contribute to fatty acid oxidation (FAox) in various ways. The regulation and utilization of FAs in a maximal capacity occur primarily at exercise intensities between 45 and 65% VO2max, is known as maximal fat oxidation (MFO), and is measured in g/min. Fatty acid oxidation occurs during submaximal exercise intensities, but is also complimentary to carbohydrate oxidation (CHOox). Due to limitations within FA transport across the cell and mitochondrial membranes, FAox is limited at higher exercise intensities. The point at which FAox reaches maximum and begins to decline is referred to as the crossover point. Exercise intensities that exceed the crossover point (~65% VO2max) utilize CHO as the predominant fuel source for energy supply. Training status, exercise intensity, exercise duration, sex differences, and nutrition have all been shown to affect cellular expression responsible for FAox rate. Each stimulus affects the process of FAox differently, resulting in specific adaptions that influence endurance exercise performance. Endurance training, specifically long duration (>2 h) facilitate adaptations that alter both the origin of FAs and FAox rate. Additionally, the influence of sex and nutrition on FAox are discussed. Finally, the role of FAox in the improvement of performance during endurance training is discussed.
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Affiliation(s)
- Troy Purdom
- 1Department of Health, Athletic Training, Recreation, and Kinesiology, Longwood University, 201 High St, Farmville, VA 23909 USA.,2Department of Health, Exercise & Sports Sciences, University of New Mexico, Albuquerque, NM USA
| | - Len Kravitz
- 2Department of Health, Exercise & Sports Sciences, University of New Mexico, Albuquerque, NM USA
| | - Karol Dokladny
- 2Department of Health, Exercise & Sports Sciences, University of New Mexico, Albuquerque, NM USA.,3Department of Gastroenterology, The University of New Mexico, Albuquerque, NM USA
| | - Christine Mermier
- 2Department of Health, Exercise & Sports Sciences, University of New Mexico, Albuquerque, NM USA
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16
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Gepner Y, Shelef I, Schwarzfuchs D, Zelicha H, Tene L, Yaskolka Meir A, Tsaban G, Cohen N, Bril N, Rein M, Serfaty D, Kenigsbuch S, Komy O, Wolak A, Chassidim Y, Golan R, Avni-Hassid H, Bilitzky A, Sarusi B, Goshen E, Shemesh E, Henkin Y, Stumvoll M, Blüher M, Thiery J, Ceglarek U, Rudich A, Stampfer MJ, Shai I. Effect of Distinct Lifestyle Interventions on Mobilization of Fat Storage Pools: CENTRAL Magnetic Resonance Imaging Randomized Controlled Trial. Circulation 2017; 137:1143-1157. [PMID: 29142011 DOI: 10.1161/circulationaha.117.030501] [Citation(s) in RCA: 163] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 10/26/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND We aimed to assess whether distinct lifestyle strategies can differentially affect specific body adipose depots. METHODS We performed an 18-month randomized controlled trial among 278 sedentary adults with abdominal obesity (75%) or dyslipidemia in an isolated workplace with a monitored provided lunch. Participants were randomized to isocaloric low-fat or Mediterranean/low-carbohydrate (MED/LC) diet+28 g walnuts/day with/without added moderate physical activity (PA; 80% aerobic; supervised/free gym membership). Overall primary outcome was body fat redistribution, and the main specific end point was visceral adipose tissue (VAT). We further followed the dynamics of different fat depots (deep and superficial subcutaneous, liver, pericardial, muscle, pancreas, and renal sinus) by magnetic resonance imaging. RESULTS Of 278 participants (age, 48 years, 89% men, body mass index, 30.8 kg/m2), 86% completed the trial with good adherence. The low-fat group preferentially decreased reported fat intake (-21.0% versus -11.5% for the MED/LC; P<0.001), and the MED/LC group decreased reported carbohydrates intake (-39.5% versus -21.3% for the low-fat group; P<0.001). The PA+ groups significantly increased the metabolic equivalents per week versus the PA- groups (19.0 versus 2.1; P=0.009). Whereas final moderate weight loss was indifferent, exercise attenuated the waist circumference rebound with the greatest effect in the MED/LCPA+ group (P<0.05). VAT (-22%), intrahepatic (-29%), and intrapericardial (-11%) fats declines were higher than pancreatic and femur intermuscular fats (1% to 2%) loss. Independent of weight loss, PA+ with either diet had a significantly greater effect on decreasing VAT (mean of difference, -6.67cm2; 95% confidence interval, -14.8 to -0.45) compared with PA-. The MED/LC diet was superior to the low-fat diet in decreasing intrahepatic, intrapericardial, and pancreatic fats (P<0.05 for all). In contrast, renal sinus and femoral intermuscular fats were not differentially altered by lifestyle interventions but by weight loss per se. In multivariate models further adjusted for weight loss, losing VAT or intrahepatic fat was independently associated with improved lipid profile, losing deep subcutaneous adipose tissue with improved insulin sensitivity, and losing superficial subcutaneous adipose tissue remained neutral except for an association with decreased leptin. CONCLUSIONS Moderate weight loss alone inadequately reflects the significant lifestyle effects on atherogenic and diabetogenic fat depots. The MED/LC diet mobilizes specific ectopic fat depots, and exercise has an independent contribution to VAT loss. Fat depots exhibit diverse responsiveness and are differentially related to cardiometabolic markers. Distinct lifestyle protocols may uniquely induce fat mobilization from specific anatomic sites. CLINICAL TRIAL REGISTRATION URL: https://www.clinicaltrials.gov. Unique identifier: NCT01530724.
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Affiliation(s)
- Yftach Gepner
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | | | - Dan Schwarzfuchs
- Soroka University Medical Center, Beer-Sheva, Israel (I.S., D.S., G.T., Y.C., Y.H.)
| | - Hila Zelicha
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Lilac Tene
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Anat Yaskolka Meir
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Gal Tsaban
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.).,Soroka University Medical Center, Beer-Sheva, Israel (I.S., D.S., G.T., Y.C., Y.H.)
| | - Noa Cohen
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Nitzan Bril
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Michal Rein
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Dana Serfaty
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Shira Kenigsbuch
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Oded Komy
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Arik Wolak
- Department of Cardiology, Cardiac Imaging Unit, Shaare Zedek Medical Center, Jerusalem, Israel (A.W.)
| | - Yoash Chassidim
- Soroka University Medical Center, Beer-Sheva, Israel (I.S., D.S., G.T., Y.C., Y.H.)
| | - Rachel Golan
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Hila Avni-Hassid
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Avital Bilitzky
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | | | - Eyal Goshen
- Nuclear Research Center-Negev, Dimona, Israel (B.S., E.G.)
| | - Elad Shemesh
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Yaakov Henkin
- Soroka University Medical Center, Beer-Sheva, Israel (I.S., D.S., G.T., Y.C., Y.H.)
| | - Michael Stumvoll
- Department of Medicine, University of Leipzig, Germany (M.S., M.B., J.T., U.C.)
| | - Matthias Blüher
- Department of Medicine, University of Leipzig, Germany (M.S., M.B., J.T., U.C.)
| | - Joachim Thiery
- Department of Medicine, University of Leipzig, Germany (M.S., M.B., J.T., U.C.)
| | - Uta Ceglarek
- Department of Medicine, University of Leipzig, Germany (M.S., M.B., J.T., U.C.)
| | - Assaf Rudich
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.)
| | - Meir J Stampfer
- Department of Medicine, Channing Division of Network Medicine, Brigham and Women's Hospital, Harvard Medical School, and Harvard T.H. Chan School of Public Health, Boston, MA (M.J.S.).
| | - Iris Shai
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.). .,Soroka University Medical Center, Beer-Sheva, Israel (I.S., D.S., G.T., Y.C., Y.H.)
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17
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Ramachandra Shobha C, Prashant V, Akila P, Chandini R, Nataraj Suma M, Basavanagowdappa H. Fifty Percent Ethanolic Extract of Momordica charantia Inhibits Adipogenesis and Promotes Adipolysis in 3T3-L1 Pre-Adipocyte Cells. Rep Biochem Mol Biol 2017; 6:22-32. [PMID: 29090226 PMCID: PMC5643457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Accepted: 08/10/2016] [Indexed: 06/07/2023]
Abstract
BACKGROUND Natural products have gained importance recently for the treatment of obesity and its complications, partly because of the side effects of modern drugs.Hence, we aimed to study and compare the effect of varying concentrations of Momordicacharantiaon adipogenesis and adipolysis using 3T3-L1 pre-adipocyte cell lines. METHODS 3T3-L1 pre-adipocytes were procured from the National Center for Cell Sciences, Pune, and cultured in Dulbecco's Modified Eagle's Media (DMEM) supplemented with 20% fetal bovine serum (FBS) and 1 mM L-glutamine. An ethanolic extract of M. charantia (EEMC)was prepared by the graded ethanol fractionation method and the total phenol content (TPC) determined using the Folin-Ciocalteau (F-C) assay. The cytotoxic dose was determined by the sulforhodamine-B (SRB) assay. The adipogenesis and adipolysis assays (Cayman chemicals, Ann Arbor, USA) were performed according to the manufacturer's protocols. RESULTS The 3T3-L1 pre-adipocytes treated with increasing concentrations of EEMC during (p= 0.012) and after (p= 0.026) differentiation demonstrated significant reduction in lipid droplet accumulation. There was a significant decrease in glycerol release during differentiation (p= 0.018) and a significant increase in glycerol release after differentiation (p= 0.0007) with increasing concentrations of EEMC. However, the effect of EEMC on adipogenesis and adipolysis was greater during 3T3-L1 pre-adipocyte differentiation than after. CONCLUSION The data showed that the 50% EEMC is potent inhibitor of lipogenesis and stimulator of lipolysis in 3T3-L1 pre-adipocytes. Further analyses will be performed to determine the key antioxidant compound(s) in the extract by phenolic acid profiling using high performance liquid chromatography (HPLC). Also, the mechanism of action of EEMC on adipogenesis and adipolysis will be elucidated.
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Affiliation(s)
- Chikkavadaragudi Ramachandra Shobha
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, Jagadguru Sri Shivarathreeswara University, Mysore, India
| | - Vishwanath Prashant
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, Jagadguru Sri Shivarathreeswara University, Mysore, India
| | - Prashant Akila
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, Jagadguru Sri Shivarathreeswara University, Mysore, India
| | - Rangaswamy Chandini
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, Jagadguru Sri Shivarathreeswara University, Mysore, India
| | - Maduvanahalli Nataraj Suma
- Center of Excellence in Molecular Biology and Regenerative Medicine, Department of Biochemistry, JSS Medical College, Jagadguru Sri Shivarathreeswara University, Mysore, India
| | - Hattur Basavanagowdappa
- Department of Medicine, JSS Medical College, Jagadguru Sri Shivarathreeswara University, Mysore, India
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Rocha-Rodrigues S, Rodríguez A, Becerril S, Ramírez B, Gonçalves IO, Beleza J, Frühbeck G, Ascensão A, Magalhães J. Physical exercise remodels visceral adipose tissue and mitochondrial lipid metabolism in rats fed a high-fat diet. Clin Exp Pharmacol Physiol 2017; 44:386-394. [PMID: 27873387 DOI: 10.1111/1440-1681.12706] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 11/02/2016] [Accepted: 11/10/2016] [Indexed: 01/17/2023]
Abstract
We aimed to investigate the effects of two physical exercise models, voluntary physical activity (VPA) and endurance training (ET) as preventive and therapeutic strategies, respectively, on lipid accumulation regulators and mitochondrial content in VAT of rats fed a high-fat diet (HFD). Sprague-Dawley rats (6 weeks old, n=60) were assigned into sedentary and VPA groups fed isoenergetic diets: standard (S, 35 kcal% fat) or HFD (71 kcal% fat). The VPA groups had free access to wheel running during the entire protocol. After 9 weeks, half of the sedentary animals were exercised on a treadmill while maintaining the dietary treatments. The HFD induced no changes in plasma non-esterified fatty acids (NEFA) and glycerol levels and decreased oxidative phosphorylation (OXPHOS) subunit IV and increased truncated/full-length sterol regulatory element-binding transcription factor 1c (SREBP1c) ratio in epididymal white adipose tissue (eWAT). VPA decreased plasma glycerol levels, aquaglyceroporin 7 (AQP7) and increased subunit I of cytochrome c oxidase (COX) protein, in standard diet fed animals. Eight weeks of ET decreased body weight, visceral adiposity and adipocyte size and plasma NEFA and glycerol levels, as well as AQP7 protein expression in eWAT. ET increased fatty acid translocase (FAT/CD36), mitochondrial content of complexes IV and V subunits, mitochondrial biogenesis and dynamic (mitofusins and optic atrophy 1)-related proteins. Moreover, lipogenesis-related markers (SREBP1c and acetyl CoA carboxylase) were reduced after 8 weeks of ET. In conclusion, ET-induced alterations reflect a positive effect on mitochondrial function and the overall VAT metabolism of HFD-induced obese rats.
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Affiliation(s)
- Sílvia Rocha-Rodrigues
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Faculty of Sport, University of Porto, Porto, Portugal
| | - Amaia Rodríguez
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain.,Obesity & Adipobiology Group, Instituto de Investigación Sanitario de Navarra (IdiSNA), Pamplona, Spain.,CIBEROBN, Instituto de Salud Carlos III, Pamplona, Spain
| | - Sara Becerril
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain.,Obesity & Adipobiology Group, Instituto de Investigación Sanitario de Navarra (IdiSNA), Pamplona, Spain.,CIBEROBN, Instituto de Salud Carlos III, Pamplona, Spain
| | - Beatriz Ramírez
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain.,Obesity & Adipobiology Group, Instituto de Investigación Sanitario de Navarra (IdiSNA), Pamplona, Spain.,CIBEROBN, Instituto de Salud Carlos III, Pamplona, Spain
| | - Inês O Gonçalves
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Faculty of Sport, University of Porto, Porto, Portugal
| | - Jorge Beleza
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Faculty of Sport, University of Porto, Porto, Portugal
| | - Gema Frühbeck
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain.,Obesity & Adipobiology Group, Instituto de Investigación Sanitario de Navarra (IdiSNA), Pamplona, Spain.,CIBEROBN, Instituto de Salud Carlos III, Pamplona, Spain.,Department of Endocrinology & Nutrition, Clínica Universidad de Navarra, Pamplona, Spain
| | - António Ascensão
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Faculty of Sport, University of Porto, Porto, Portugal
| | - José Magalhães
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Faculty of Sport, University of Porto, Porto, Portugal
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