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González-Ibáñez L, Meneses ME, Sánchez-Tapia M, Pérez-Luna D, Torres N, Torre-Villalvazo I, Bonilla M, Petlacalco B, Castillo I, López-Barradas A, Macías A, Tovar AR, Martínez-Carrera D. Edible and medicinal mushrooms ( Pleurotus ostreatus, Ustilago maydis, Ganoderma lucidum) reduce endoplasmic reticulum stress and inflammation in adipose tissue of obese Wistar rats fed with a high fat plus saccharose diet. Food Funct 2023. [PMID: 37161495 DOI: 10.1039/d3fo00089c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Obesity is an increasing global public health problem. A strategy to treat obesity is the use of functional foods. Edible and medicinal mushrooms contain diverse bioactive compounds showing important antihyperlipidemic, antioxidant, and prebiotic properties. We analysed the effects of adding (10%) of Pleurotus ostreatus (Po, basidiomata), Ganoderma lucidum (Gl, basidiomata), or Ustilago maydis (Um, galls), milled, to a high fat plus saccharose diet (HFD + S) for 6 months in a model of obesity with Wistar rats. We assessed weight gain, body composition, lipid parameters, endoplasmic reticulum stress (proteins and inflammatory markers: BiP, XBP-1, JNK, p-JNK, TNF-α), and adiponectin in subcutaneous adipose tissue (SAT). The consumption of edible and medicinal mushrooms decreased weight gain (-17.2-30.1%) and fat mass (-23.7-43.1%), maintained fat-free mass, reduced levels of serum biochemical parameters (TC: -40.1-44.1%, TG: -37.7-51.6%, LDL-C: -64.5-71.1%), and prevented adipocyte hypertrophy (-30.9-36.9%) and collagen deposition (-70.9-73.7%) in SAT. Compared with the HFD + S group, mushroom consumption by Wistar rats significantly reduced the expression of proteins associated with endoplasmic reticulum stress and inflammation (BiP: -72.2-88.2%; XBP-1: -71.5-81.8%; JNK: -71.2-90.0%; p-JNK: -37.3-81.0%; TNF-α: -80.7-91.5%), whereas significantly increased adiponectin protein expression (246.4-654.2%) in SAT. These effects outperformed those obtained through the commercial lipid-lowering drug atorvastatin, contributing synergistically to prevent further obesity-related dysfunctions, such as insulin resistance derived from inflammation and ER stress in adipose tissue. Bioactive compounds from edible, functional and medicinal mushrooms represent new emerging therapies for obesity treatments using natural products.
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Affiliation(s)
- Laura González-Ibáñez
- Centro de Biotecnología de Hongos Comestibles, Funcionales y Medicinales (CB-HCFM), Campus Puebla, Colegio de Postgraduados (CP), Boulevard Forjadores de Puebla no. 205, Puebla 72760, Mexico.
| | - María E Meneses
- Centro de Biotecnología de Hongos Comestibles, Funcionales y Medicinales (CB-HCFM), Campus Puebla, Colegio de Postgraduados (CP), Boulevard Forjadores de Puebla no. 205, Puebla 72760, Mexico.
- CONACYT-Colegio de Postgraduados (CP), Campus Puebla, Boulevard Forjadores de Puebla 205, Puebla 72760, Mexico
| | - Mónica Sánchez-Tapia
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Mexico City 14080, Mexico
| | - Daniel Pérez-Luna
- Centro de Biotecnología de Hongos Comestibles, Funcionales y Medicinales (CB-HCFM), Campus Puebla, Colegio de Postgraduados (CP), Boulevard Forjadores de Puebla no. 205, Puebla 72760, Mexico.
| | - Nimbe Torres
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Mexico City 14080, Mexico
| | - Iván Torre-Villalvazo
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Mexico City 14080, Mexico
| | - Myrna Bonilla
- Centro de Biotecnología de Hongos Comestibles, Funcionales y Medicinales (CB-HCFM), Campus Puebla, Colegio de Postgraduados (CP), Boulevard Forjadores de Puebla no. 205, Puebla 72760, Mexico.
| | - Beatriz Petlacalco
- Centro de Biotecnología de Hongos Comestibles, Funcionales y Medicinales (CB-HCFM), Campus Puebla, Colegio de Postgraduados (CP), Boulevard Forjadores de Puebla no. 205, Puebla 72760, Mexico.
| | - Ivan Castillo
- Centro de Biotecnología de Hongos Comestibles, Funcionales y Medicinales (CB-HCFM), Campus Puebla, Colegio de Postgraduados (CP), Boulevard Forjadores de Puebla no. 205, Puebla 72760, Mexico.
| | - Adriana López-Barradas
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Mexico City 14080, Mexico
| | - Antonio Macías
- Centro de Biotecnología de Hongos Comestibles, Funcionales y Medicinales (CB-HCFM), Campus Puebla, Colegio de Postgraduados (CP), Boulevard Forjadores de Puebla no. 205, Puebla 72760, Mexico.
| | - Armando R Tovar
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Mexico City 14080, Mexico
| | - Daniel Martínez-Carrera
- Centro de Biotecnología de Hongos Comestibles, Funcionales y Medicinales (CB-HCFM), Campus Puebla, Colegio de Postgraduados (CP), Boulevard Forjadores de Puebla no. 205, Puebla 72760, Mexico.
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2
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Willows JW, Robinson M, Alshahal Z, Morrison SK, Mishra G, Cyr H, Blaszkiewicz M, Gunsch G, DiPietro S, Paradie E, Tero B, Harrington A, Ryzhova L, Liaw L, Reifsnyder PC, Harrison DE, Townsend KL. Age-related changes to adipose tissue and peripheral neuropathy in genetically diverse HET3 mice differ by sex and are not mitigated by rapamycin longevity treatment. Aging Cell 2023; 22:e13784. [PMID: 36798047 PMCID: PMC10086534 DOI: 10.1111/acel.13784] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 12/16/2022] [Accepted: 01/05/2023] [Indexed: 02/18/2023] Open
Abstract
Neural communication between the brain and adipose tissues regulates energy expenditure and metabolism through modulation of adipose tissue functions. We have recently demonstrated that under pathophysiological conditions (obesity, diabetes, and aging), total subcutaneous white adipose tissue (scWAT) innervation is decreased ('adipose neuropathy'). With advanced age in the C57BL/6J mouse, small fiber peripheral nerve endings in adipose tissue die back, resulting in reduced contact with adipose-resident blood vessels and other cells. This vascular neuropathy and parenchymal neuropathy together likely pose a physiological challenge for tissue function. In the current work, we used the genetically diverse HET3 mouse model to investigate the incidence of peripheral neuropathy and adipose tissue dysregulation across several ages in both male and female mice. We also investigated the anti-aging treatment rapamycin, an mTOR inhibitor, as a means to prevent or reduce adipose neuropathy. We found that HET3 mice displayed a reduced neuropathy phenotype compared to inbred C56BL/6 J mice, indicating genetic contributions to this aging phenotype. Compared to female HET3 mice, male HET3 mice had worse neuropathic phenotypes by 62 weeks of age. Female HET3 mice appeared to have increased protection from neuropathy until advanced age (126 weeks), after reproductive senescence. We found that rapamycin overall had little impact on neuropathy measures, and actually worsened adipose tissue inflammation and fibrosis. Despite its success as a longevity treatment in mice, higher doses and longer delivery paradigms for rapamycin may lead to a disconnect between life span and beneficial health outcomes.
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Affiliation(s)
- Jake W Willows
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA
| | | | - Zahra Alshahal
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA
| | - Samantha K Morrison
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA
| | - Gargi Mishra
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA
| | | | - Magdalena Blaszkiewicz
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA
| | - Gilian Gunsch
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA
| | - Sabrina DiPietro
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA
| | - Emma Paradie
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA
| | - Benjamin Tero
- Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Anne Harrington
- Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Larisa Ryzhova
- Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Lucy Liaw
- Maine Medical Center Research Institute, Scarborough, Maine, USA
| | | | | | - Kristy L Townsend
- Department of Neurological Surgery, The Ohio State University, Wexner Medical Center, Columbus, Ohio, USA.,University of Maine, Orono, Maine, USA
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3
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Katz A, Gonen M, Shahar Y, Roichman A, Lerrer B, Cohen HY. Hypothalamus–Muscle Parallel Induction of Metabolic Pathways Following Physical Exercise. Front Neurosci 2022; 16:897005. [PMID: 35928013 PMCID: PMC9344923 DOI: 10.3389/fnins.2022.897005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
The modern lifestyle requires less physical activity and skills during our daily routine, leading to multiple pathologies related to physical disabilities and energy accessibility. Thus, exploring the mechanisms underlying the metabolic regulation of exercise is crucial. Here, we characterized the effect of forced and voluntary endurance exercises on three key metabolic signaling pathways, sirtuins, AMPK, and mTOR, across several metabolic tissues in mice: brain, muscles, and liver. Both voluntary and forced exercises induced AMPK with higher intensity in the first. The comparison between those metabolic tissues revealed that the hypothalamus and the hippocampus, two brain parts, showed different metabolic signaling activities. Strikingly, despite the major differences in the physiology of muscles and hypothalamic tissues, the hypothalamus replicates the metabolic response of the muscle in response to physical exercise. Specifically, muscles and hypothalamic tissues showed an increase and a decrease in AMPK and mTOR signaling, respectively. Overall, this study reveals new insight into the relation between the hypothalamus and muscles, which enhances the coordination within the muscle–brain axis and potentially improves the systemic response to physical activity performance and delaying health inactivity disorders.
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de Sousa Neto IV, Durigan JLQ, da Silva ASR, de Cássia Marqueti R. Adipose Tissue Extracellular Matrix Remodeling in Response to Dietary Patterns and Exercise: Molecular Landscape, Mechanistic Insights, and Therapeutic Approaches. BIOLOGY 2022; 11:biology11050765. [PMID: 35625493 PMCID: PMC9138682 DOI: 10.3390/biology11050765] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/19/2022] [Accepted: 04/26/2022] [Indexed: 12/20/2022]
Abstract
Simple Summary Adipose tissue is considered a metabolic organ that adjusts overall energy homeostasis and critical hormones to the body’s needs. In conditions of caloric intake surpassing energy expenditure, lipid accumulation occurs with constant extracellular matrix deposition. Excess lipids and adipocyte hypertrophy may reduce extracellular matrix flexibility in conjunction with hypoxia and inflammation. These processes induce the development of adipose tissue fibrosis and correlated metabolic dysfunctions, such as insulin resistance. With the increasing rate of chronic diseases worldwide, it is essential to generate a more precise knowledge of fibrotic processes, as well as to create optimal models to study potential therapies to combat the harmful effects of extracellular matrix deposition. In this work, we focused on the physiological processes in the remodeling of adipose tissue fibrosis, along with their relevance to clinical indications. Furthermore, we emphasize understanding how lifestyle can alleviate adipocyte dysfunction. Several studies showed that a nutritionally balanced diet combined with exercise is a remarkable potential strategy for lipolytic activity, preventing rapid extracellular matrix expansion in parallel with insulin and glucose action improvements. Thus, the emerging beneficial role of exercise training and low-calorie diet on adipose tissue ECM remodeling is a topic that deserves attention from health professionals. Abstract The extracellular matrix (ECM) is a 3-dimensional network of molecules that play a central role in differentiation, migration, and survival for maintaining normal homeostasis. It seems that ECM remodeling is required for adipose tissue expansion. Despite evidence indicating that ECM is an essential component of tissue physiology, adipose tissue ECM has received limited attention. Hence, there is great interest in approaches to neutralize the harmful effects of ECM enlargement. This review compiles and discusses the current literature on adipose tissue ECM remodeling in response to different dietary patterns and exercise training. High-calorie diets result in substantial adipose tissue ECM remodeling, which in turn could lead to fibrosis (excess deposition of collagens, elastin, and fibronectin), inflammation, and the onset of metabolic dysfunction. However, combining a nutritionally balanced diet with exercise is a remarkable potential strategy for lipolytic activity, preventing rapid ECM expansion in different adipose tissue depots. Despite the distinct exercise modalities (aerobic or resistance exercise) reversing adipose tissue fibrosis in animal models, the beneficial effect on humans remains controversial. Defining molecular pathways and specific mechanisms that mediate the positive effects on adipose tissue, ECM is essential in developing optimized interventions to improve health and clinical outcomes.
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Affiliation(s)
- Ivo Vieira de Sousa Neto
- Molecular Analysis Laboratory, Faculty of Ceilândia, Universidade de Brasília, Brasília 70910-900, Brazil; or
- Correspondence:
| | | | - Adelino Sanchez Ramos da Silva
- Graduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, Universidade de São Paulo, Ribeirão Preto 14040-900, Brazil;
- School of Physical Education and Sport of Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-900, Brazil
| | - Rita de Cássia Marqueti
- Molecular Analysis Laboratory, Faculty of Ceilândia, Universidade de Brasília, Brasília 70910-900, Brazil; or
- Graduate Program in Rehabilitation Sciences, Universidade de Brasília, Brasília 70910-900, Brazil;
- Graduate Program in Health Sciences and Technology, Universidade de Brasília, Brasília 70910-900, Brazil
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5
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Farber E, Kwiecien JM, Bojic D, Ngu M, Akohene-Mensah P, Vanhie JJ, Lloyd J, Larkin J, DE Lisio M. Exercise Improves Cancer-free Survival and Health Span in a Model of Radiation-induced Cancer. Med Sci Sports Exerc 2021; 53:2254-2263. [PMID: 34081060 DOI: 10.1249/mss.0000000000002711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Radiation therapy increases the risk of secondary malignancy and morbidity in cancer survivors. The role of obesity and exercise training in modulating this risk is not well understood. As such, we used a preclinical model of radiation-induced malignancy to investigate whether diet-induced obesity and/or endurance exercise training altered lifelong survival, cancer incidence, and morbidity. METHODS Male CBA mice were randomly divided into control diet/sedentary group (CTRL/SED), high-fat diet (45% fat)/sedentary group (HFD/SED), control diet/exercise group (2-3 d·wk-1; CTRL/EX), or high-fat diet/exercise group (HFD/EX) groups then exposed to whole-body radiation (3 Gy). End point monitoring and pathology determined mortality and cancer incidence, respectively. Health span index, a measure of morbidity, was determined by a composite measure of 10 anthropometric, metabolic, performance, and behavioral measures. RESULTS Overall survival was higher in HFD/SED compared with CTRL/SED (P < 0.05). The risk of cancer-related mortality by 18 months postradiation was 1.99 and 1.63 in HFD/SED compared with CTRL/EX (RR = 1.99, 95% confidence interval = 1.20-3.31, P = 0.0081) and CTRL/SED (RR = 1.63, 95% confidence interval = 1.06-2.49, P = 0.0250), respectively. The number of mice at end point with cancer was higher in HFD/SED compared with CTRL/EX and CTRL/SED (P < 0.05). Health span index was highest in CTRL/EX (score = +2.5), followed by HFD/EX (score = +1), and HFD/SED (score = -1) relative to CTRL/SED. CONCLUSION This work provides the basis for future preclinical studies investigating the dose-response relationship between exercise training and late effects of radiation therapy as well as the mechanisms responsible for these effects.
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Affiliation(s)
- Eadan Farber
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, CANADA
| | - Jacek M Kwiecien
- Department of Pathology and Molecular Medicine, Faculty of Health Sciences, McMaster University, Hamilton, CANADA
| | - Dejan Bojic
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, CANADA
| | - Matthew Ngu
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, CANADA
| | - Paul Akohene-Mensah
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, CANADA
| | - James J Vanhie
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, CANADA
| | - Jessica Lloyd
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, CANADA
| | - Jillian Larkin
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, CANADA
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6
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Adipose-derived stem cells and obesity: The spear and shield relationship. Genes Dis 2021; 10:175-186. [PMID: 37013055 PMCID: PMC10066342 DOI: 10.1016/j.gendis.2021.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 08/11/2021] [Accepted: 09/08/2021] [Indexed: 11/24/2022] Open
Abstract
With the transformation of modern lifestyles and population ageing, obesity has become a global epidemic, as one of the important threat to human health of chronic non-communicable diseases (NCD). Stem cell therapy seems promising as an alternative strategy for managing obesity and related metabolic problems. Adipose tissue-derived stem cells (ADSCs) have received widespread attention, which provides new ideas for the treatment of obesity and various metabolic-related diseases, due to their abundant reserves, easy acquisition, rapid expansion, and multi-directional differentiation potential, low immunogenicity and many other advantages. Accordingly, there seems to be a "shield and spear paradox" in the relationship between ADSCs and obesity. In this review, we emphatically summarized the role of ADSCs in the occurrence and development of obesity and related metabolic disease processes, in order to pave the way for clinical practice.
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Mincham KT, Panchal K, Hart PH, Lucas RM, Feelisch M, Weller RB, Matthews VB, Strickland DH, Gorman S. Metabolic dysfunction induced by a high-fat diet modulates hematopoietic stem and myeloid progenitor cells in brown adipose tissue of mice. Immunol Cell Biol 2021; 99:749-766. [PMID: 33866598 DOI: 10.1111/imcb.12460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 02/05/2021] [Accepted: 04/15/2021] [Indexed: 11/29/2022]
Abstract
Brown adipose tissue (BAT) may be an important metabolic regulator of whole-body glucose. While important roles have been ascribed to macrophages in regulating metabolic functions in BAT, little is known of the roles of other immune cells subsets, particularly dendritic cells (DCs). Eating a high-fat diet may compromise the development of hematopoietic stem and progenitor cells (HSPCs)-which give rise to DCs-in bone marrow, with less known of its effects in BAT. We have previously demonstrated that ongoing exposure to low-dose ultraviolet radiation (UVR) significantly reduced the 'whitening' effect of eating a high-fat diet upon interscapular (i) BAT of mice. Here, we examined whether this observation may be linked to changes in the phenotype of HSPCs and myeloid-derived immune cells in iBAT and bone marrow of mice using 12-colour flow cytometry. Many HSPC subsets declined in both iBAT and bone marrow with increasing metabolic dysfunction. Conversely, with rising adiposity and metabolic dysfunction, conventional DCs (cDCs) increased in both of these tissues. When compared with a low-fat diet, consumption of a high-fat diet significantly reduced proportions of myeloid, common myeloid and megakaryocyte-erythrocyte progenitors in iBAT, and short-term hematopoietic stem cells in bone marrow. In mice fed the high-fat diet, exposure to low-dose UVR significantly reduced proportions of cDCs in iBAT, independently of nitric oxide release from irradiated skin [blocked using the scavenger 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide potassium salt (cPTIO)], but did not significantly modify HSPC subsets in either tissue. Further studies are needed to determine whether changes in these cell populations contribute towards metabolic dysfunction .
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Affiliation(s)
- Kyle T Mincham
- Telethon Kids Institute, University of Western Australia, Perth, Australia
| | - Kunjal Panchal
- Telethon Kids Institute, University of Western Australia, Perth, Australia
| | - Prue H Hart
- Telethon Kids Institute, University of Western Australia, Perth, Australia
| | - Robyn M Lucas
- National Centre for Epidemiology and Population Health, Research School of Population Health, Australian National University, Canberra, Australian Capital Territory, Australia.,Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia
| | - Martin Feelisch
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton General Hospital, Southampton, UK
| | - Richard B Weller
- University of Edinburgh, MRC Centre for Inflammation Research, Edinburgh, Scotland
| | - Vance B Matthews
- School of Biomedical Science - Royal Perth Hospital Unit, The University of Western Australia, Perth, Australia
| | | | - Shelley Gorman
- Telethon Kids Institute, University of Western Australia, Perth, Australia
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8
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Rehman SU, Schallschmidt T, Rasche A, Knebel B, Stermann T, Altenhofen D, Herwig R, Schürmann A, Chadt A, Al-Hasani H. Alternative exon splicing and differential expression in pancreatic islets reveals candidate genes and pathways implicated in early diabetes development. Mamm Genome 2021; 32:153-172. [PMID: 33880624 PMCID: PMC8128753 DOI: 10.1007/s00335-021-09869-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 04/03/2021] [Indexed: 12/29/2022]
Abstract
Type 2 diabetes (T2D) has a strong genetic component. Most of the gene variants driving the pathogenesis of T2D seem to target pancreatic β-cell function. To identify novel gene variants acting at early stage of the disease, we analyzed whole transcriptome data to identify differential expression (DE) and alternative exon splicing (AS) transcripts in pancreatic islets collected from two metabolically diverse mouse strains at 6 weeks of age after three weeks of high-fat-diet intervention. Our analysis revealed 1218 DE and 436 AS genes in islets from NZO/Hl vs C3HeB/FeJ. Whereas some of the revealed genes present well-established markers for β-cell failure, such as Cd36 or Aldh1a3, we identified numerous DE/AS genes that have not been described in context with β-cell function before. The gene Lgals2, previously associated with human T2D development, was DE as well as AS and localizes in a quantitative trait locus (QTL) for blood glucose on Chr.15 that we reported recently in our N2(NZOxC3H) population. In addition, pathway enrichment analysis of DE and AS genes showed an overlap of only half of the revealed pathways, indicating that DE and AS in large parts influence different pathways in T2D development. PPARG and adipogenesis pathways, two well-established metabolic pathways, were overrepresented for both DE and AS genes, probably as an adaptive mechanism to cope for increased cellular stress. Our results provide guidance for the identification of novel T2D candidate genes and demonstrate the presence of numerous AS transcripts possibly involved in islet function and maintenance of glucose homeostasis.
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Affiliation(s)
- Sayeed Ur Rehman
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, Medical Faculty, Duesseldorf, Germany.,German Center for Diabetes Research (DZD), München-Neuherberg, Germany.,Department of Biochemistry, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Tanja Schallschmidt
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, Medical Faculty, Duesseldorf, Germany.,German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Axel Rasche
- Department of Computational Molecular Biology, Max Planck Institute for Molecular Genetics, Berlin, Germany
| | - Birgit Knebel
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, Medical Faculty, Duesseldorf, Germany.,German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Torben Stermann
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, Medical Faculty, Duesseldorf, Germany.,German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Delsi Altenhofen
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, Medical Faculty, Duesseldorf, Germany.,German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Ralf Herwig
- Department of Computational Molecular Biology, Max Planck Institute for Molecular Genetics, Berlin, Germany
| | - Annette Schürmann
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany.,German Institute of Human Nutrition, Potsdam, Germany
| | - Alexandra Chadt
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, Medical Faculty, Duesseldorf, Germany.,German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Hadi Al-Hasani
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, Medical Faculty, Duesseldorf, Germany. .,German Center for Diabetes Research (DZD), München-Neuherberg, Germany.
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9
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Lee JM, Park S, Lee D, Ginting RP, Lee MR, Lee MW, Han J. Reduction in endoplasmic reticulum stress activates beige adipocytes differentiation and alleviates high fat diet-induced metabolic phenotypes. Biochim Biophys Acta Mol Basis Dis 2021; 1867:166099. [PMID: 33556486 DOI: 10.1016/j.bbadis.2021.166099] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/27/2021] [Accepted: 02/01/2021] [Indexed: 12/12/2022]
Abstract
Endoplasmic reticulum (ER) stress is closely associated with various metabolic diseases, such as obesity and diabetes. Development of beige/brite adipocytes increases thermogenesis and helps to reduce obesity. Although the relationship between ER stress and white adipocytes has been studied considerably, the possible role of ER stress and the unfolded protein response (UPR) induction in beige adipocytes differentiation remain to be investigated. In this study we investigated how ER stress affected beige adipocytes differentiation both in vitro and in vivo. Phosphorylation of eIF2α was transiently decreased in the early phase (day 2), whereas it was induced at the late phase with concomitant induction of C/EBP homologous protein (CHOP) during beige adipocytes differentiation. Forced expression of CHOP inhibited the expression of beige adipocytes markers, including Ucp1, Cox8b, Cidea, Prdm16, and Pgc-1α, following the induction of beige adipocytes differentiation. When ER stress was reduced by the chemical chaperone tauroursodeoxycholic acid (TUDCA), the expression of the beige adipocytes marker uncoupling protein 1 (UCP1) was significantly enhanced in inguinal white adipose tissue (iWAT) and high fat diet (HFD)-induced abnormal metabolic phenotype was improved. In summary, we found that ER stress and the UPR induction were closely involved in beige adipogenesis. These results suggest that modulating ER stress could be a potential therapeutic intervention against metabolic dysfunctions via activation of iWAT browning.
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Affiliation(s)
- Ji-Min Lee
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan-si, 31151, Republic of Korea
| | - Soyoung Park
- Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan-si 31151, Republic of Korea
| | - Duckgue Lee
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan-si, 31151, Republic of Korea
| | - Rehna Paula Ginting
- Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan-si 31151, Republic of Korea
| | - Man Ryul Lee
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan-si, 31151, Republic of Korea; Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan-si 31151, Republic of Korea.
| | - Min-Woo Lee
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan-si, 31151, Republic of Korea; Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan-si 31151, Republic of Korea.
| | - Jaeseok Han
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan-si, 31151, Republic of Korea; Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan-si 31151, Republic of Korea.
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10
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Strieder-Barboza C, Baker NA, Flesher CG, Karmakar M, Patel A, Lumeng CN, O’Rourke RW. Depot-specific adipocyte-extracellular matrix metabolic crosstalk in murine obesity. Adipocyte 2020; 9:189-196. [PMID: 32272860 PMCID: PMC7153651 DOI: 10.1080/21623945.2020.1749500] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Subcutaneous (SAT) and visceral (VAT) adipose tissues have distinct metabolic phenotypes. We hypothesized that the extracellular matrix (ECM) regulates depot-specific differences in adipocyte metabolic function in murine obesity. VAT and SAT preadipocytes from lean or obese mice were subject to adipogenic differentiation in standard 2D culture on plastic tissue culture plates or in 3D culture in ECM, followed by metabolic profiling. Adipocytes from VAT relative to SAT manifested impaired insulin-stimulated glucose uptake and decreased adipogenic capacity. In 3D-ECM-adipocyte culture, ECM regulated adipocyte metabolism in a depot-specific manner, with SAT ECM rescuing defects in glucose uptake and adipogenic gene expression in VAT adipocytes, while VAT ECM impaired adipogenic gene expression in SAT adipocytes. These findings demonstrate that ECM-adipocyte crosstalk regulates depot-specific differences in adipocyte metabolic dysfunction in murine obesity.
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Affiliation(s)
- Clarissa Strieder-Barboza
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Nicki A. Baker
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Carmen G. Flesher
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Monita Karmakar
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Ayush Patel
- Undergraduate Research Opportunity Program, University of Michigan, Ann Arbor, MI, USA
| | - Carey N. Lumeng
- Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan, Ann Arbor, MI, USA
- Graduate Program in Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI, USA
| | - Robert W. O’Rourke
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Surgery, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI, USA
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11
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Response of adult stem cell populations to a high-fat/high-fiber diet in skeletal muscle and adipose tissue of growing pigs divergently selected for feed efficiency. Eur J Nutr 2020; 60:2397-2408. [PMID: 33125577 DOI: 10.1007/s00394-020-02418-7] [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: 01/30/2020] [Accepted: 09/25/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE The control of body composition by genetics and dietary nutrients is of the upmost importance for both human and animal physiology. Adult stem cells (aSC) may represent a relevant level of tissue adaptation. The purpose of this study was to determine the impact of macronutrient composition on aSC populations isolated from adipose tissue or muscle in growing pigs. METHODS Pigs from two lines divergently selected for feed efficiency were fed ad libitum either a high-fat/high-fiber (HF) diet or a low-fat/low-fiber (LF) diet (n = 6 per line and diet) from 74 to 132 days of age. Stroma vascular cells were isolated from adipose tissue and muscle and characterized with cell surface markers. RESULTS In both lines, pigs fed the HF diet exhibited a reduced adiposity (P < 0.001) compared with pigs fed the LF diet. In the four groups, CD90 and PDGFRα markers were predominantly expressed in adipose cells, whereas CD90 and CD56 markers were highly expressed in muscle cells. In adipose tissue, the proportions of CD56+/PDGFRα + and of CD90+/PDGFRα + cells were lower (P < 0.05) in HF pigs than in LF pigs. On the opposite, in muscle, these proportions were higher (P < 0.001) in HF pigs. CONCLUSION This study indicates that dietary nutrients affected the relative proportions of CD56+/PDGFRα + cells with opposite effects between muscle and adipose tissue. These cell populations exhibiting adipogenic potential in adipose tissue and myogenic potential in muscle may be a target to modulate body composition.
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12
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Cho J, Park E. Ferulic acid maintains the self-renewal capacity of embryo stem cells and adipose-derived mesenchymal stem cells in high fat diet-induced obese mice. J Nutr Biochem 2019; 77:108327. [PMID: 31926451 DOI: 10.1016/j.jnutbio.2019.108327] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 11/18/2019] [Accepted: 12/17/2019] [Indexed: 12/12/2022]
Abstract
Self-renewal is required for embryo stem cells (ESCs) and adipose-derived mesenchymal stem cells (ADMSCs). This study examined the ability of ferulic acid in mouse ESCs and ADMSCs, in a high fat diet-induced mouse model. Initially, five natural compounds of ferulic acid, xanthohumol, curcumin, ascorbic acid, and quercetin were screened in ESCs using an alkaline phosphate +(AP+) assay, as a self-renewal biomarker. A ferulic acid treatment was the highest AP+ staining in hop-hit screening compounds. Also a ferulic acid increased Nanog mRNA levels in ESCs. The in vivo effects of ferulic acid were next examined in an obese mouse model. C57BL/6 J male mice were fed either a high fat diet (HFD) or control diet with ferulic acid (5 g/kg diet) for 8 weeks. Ferulic acid exhibited weight loss and improved glucose homeostasis, lipid profiling, and hepatic steatosis in a HFD-induced mouse model. Next, ADMSCs (Sca-1+CD45-), a hallmark of fat stem cells, were then isolated and quantified from mouse abdominal adipose tissue. A HFD decreased the Sca-1+CD45- cell population of ADMSCs, but HFD-induced obese mice given ferulic acid showed an increased the Sca-1+CD45- cell population of ADMSCs. Moreover, ferulic acid enhanced NANOG mRNA levels in human ADMSCs and its related gene mRNA expression. Overall, this study suggests that ferulic acid preserves self-renewal in ESCs, and contributes to ADMSCs self-renewal and effective weight control in obesity.
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Affiliation(s)
- Jinkyung Cho
- Diabetes Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, NY., USA
| | - Eunmi Park
- Diabetes Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, NY., USA; Department of Food and Nutrition, Hannam University, Daejeon 306-791, Republic of Korea.
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13
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Vorotnikov AV, Stafeev IS, Menshikov MY, Shestakova MV, Parfyonova YV. Latent Inflammation and Defect in Adipocyte Renewal as a Mechanism of Obesity-Associated Insulin Resistance. BIOCHEMISTRY (MOSCOW) 2019; 84:1329-1345. [DOI: 10.1134/s0006297919110099] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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14
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Stafeev I, Podkuychenko N, Michurina S, Sklyanik I, Panevina A, Shestakova E, Yah'yaev K, Fedenko V, Ratner E, Vorotnikov A, Menshikov M, Yashkov Y, Parfyonova Y, Shestakova M. Low proliferative potential of adipose-derived stromal cells associates with hypertrophy and inflammation in subcutaneous and omental adipose tissue of patients with type 2 diabetes mellitus. J Diabetes Complications 2019; 33:148-159. [PMID: 30482492 DOI: 10.1016/j.jdiacomp.2018.10.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 09/25/2018] [Accepted: 10/16/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND Obesity and type 2 diabetes mellitus (T2DM) are among the most important morbidity factors. In this study we tested the hypothesis that low proliferative potential of adipose derived stromal cells (ADSC) associates with reduced formation of new fat depots, excess accumulation of fat in the functional adipocytes and their hypertrophy, resulting in fat inflammation and insulin resistance. METHODS We screened two groups of obese patients with or without T2DM, matched for BMI, age, and duration of obesity to test the hypothesis that hypertrophy and decreased renewal of adipocytes may underlie transition from obesity to T2DM. All patients were matched for carbohydrate metabolism (fasting blood glucose level, glycated hemoglobin, HOMA-IR index and M-index). The subcutaneous and omental fat tissue biopsies were obtained during bariatric surgery from obese individuals with or without T2DM. The morphology and immunophenotype of subcutaneous and omental fat was assessed in frozen tissue sections. ADSC were isolated from both types of fat tissue biopsies and screened for morphology, proliferative potential and inflammatory status. RESULTS The non-diabetic patients had normal carbohydrate metabolism and moderate insulin resistance measured by HOMA-IR and hyperinsulinemic clamp (M-index), while T2DM patients were extremely insulin resistant by both indexes. The average size of diabetic adipocytes was higher than that of non-diabetic in both subcutaneous and omental fat tissues, indicating adipocyte hypertrophy in T2DM. Both these tissues contained higher level of macrophage infiltration and increased M1-like to M2-like ratio of macrophage subpopulations, suggesting increased fat inflammation in T2DM. This was confirmed by increased activatory phosphorylation of stress-induced JNK1/2 in diabetic ADSC. CONCLUSION These results suggest that blunted proliferation and increased hypertrophy of diabetic ADSC may lead to reduced insulin sensitivity via increased inflammation mediated by M1 macrophages and JNK1/2 pathway.
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Affiliation(s)
- I Stafeev
- National Medical Research Centre for Cardiology, Moscow, Russia; M.V. Lomonosov Moscow State University, Moscow, Russia; Endocrinology Research Centre, Moscow, Russia.
| | - N Podkuychenko
- National Medical Research Centre for Cardiology, Moscow, Russia; M.V. Lomonosov Moscow State University, Moscow, Russia; Endocrinology Research Centre, Moscow, Russia
| | - S Michurina
- National Medical Research Centre for Cardiology, Moscow, Russia; M.V. Lomonosov Moscow State University, Moscow, Russia
| | - I Sklyanik
- Endocrinology Research Centre, Moscow, Russia
| | - A Panevina
- Endocrinology Research Centre, Moscow, Russia
| | | | - K Yah'yaev
- Central Clinical Hospital #1 of LLC Russian Railways, Moscow, Russia
| | - V Fedenko
- V.I. Kulakov National Medical Research Centre for Obstetrics, Gynecology and Perinatology, Moscow, Russia
| | - E Ratner
- National Medical Research Centre for Cardiology, Moscow, Russia; Endocrinology Research Centre, Moscow, Russia
| | - A Vorotnikov
- National Medical Research Centre for Cardiology, Moscow, Russia
| | - M Menshikov
- National Medical Research Centre for Cardiology, Moscow, Russia
| | - Y Yashkov
- V.I. Kulakov National Medical Research Centre for Obstetrics, Gynecology and Perinatology, Moscow, Russia
| | - Ye Parfyonova
- National Medical Research Centre for Cardiology, Moscow, Russia; M.V. Lomonosov Moscow State University, Moscow, Russia
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15
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Sadie-Van Gijsen H. Adipocyte biology: It is time to upgrade to a new model. J Cell Physiol 2018; 234:2399-2425. [PMID: 30192004 DOI: 10.1002/jcp.27266] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 07/25/2018] [Indexed: 12/15/2022]
Abstract
Globally, the obesity pandemic is profoundly affecting quality of life and economic productivity, but efforts to address this, especially on a pharmacological level, have generally proven unsuccessful to date, serving as a stark demonstration that our understanding of adipocyte biology and pathophysiology is incomplete. To deliver better insight into adipocyte function and obesity, we need improved adipocyte models with a high degree of fidelity in representing the in vivo state and with a diverse range of experimental applications. Adipocyte cell lines, especially 3T3-L1 cells, have been used extensively over many years, but these are limited in terms of relevance and versatility. In this review, I propose that primary adipose-derived stromal/stem cells (ASCs) present a superior model with which to study adipocyte biology ex vivo. In particular, ASCs afford us the opportunity to study adipocytes from different, functionally distinct, adipose depots and to investigate, by means of in vivo/ex vivo studies, the effects of many different physiological and pathophysiological factors, such as age, body weight, hormonal status, diet and nutraceuticals, as well as disease and pharmacological treatments, on the biology of adipocytes and their precursors. This study will give an overview of the characteristics of ASCs and published studies utilizing ASCs, to highlight the areas where our knowledge is lacking. More comprehensive studies in primary ASCs will contribute to an improved understanding of adipose tissue, in healthy and dysfunctional states, which will enhance our efforts to more successfully manage and treat obesity.
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Affiliation(s)
- Hanél Sadie-Van Gijsen
- Division of Endocrinology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Parow, South Africa.,Division of Medical Physiology, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Parow, South Africa
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16
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Kato H, Minamizato H, Ohno H, Ohira Y, Izawa T. Exercise ameliorates high-fat diet-induced impairment of differentiation of adipose-derived stem cells into neuron-like cells in rats. J Cell Physiol 2018; 234:1452-1460. [PMID: 30076718 DOI: 10.1002/jcp.26957] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 06/12/2018] [Indexed: 12/15/2022]
Abstract
Adipose-derived stem cells (ADSCs) can differentiate into neurons under particular conditions. It remains largely unknown whether this differentiation potential is affected by physical conditions such as obesity, which modulates the functions of adipose tissue. In this study, we determined the impact of either a 9-week high-fat diet (60% fat; HFD) or 9-week exercise training on the differentiation potential of ADSCs into neuron-like cells in male Wistar rats. Rats were randomly assigned to a normal diet-fed (ND-SED) group, HFD-fed (HFD-SED) group, or exercise-trained HFD-fed group (HFD-EX). After a 9-week intervention, ADSCs from all groups differentiated into neuron-like cells. Expression of neuronal marker proteins (nestin, βIII-tubulin, and microtubule-associated protein 2 [MAP2]) and the average length of cell neurites were lower in cells from HFD-SED rats than in other groups. Instead, protein expression of COX IV and Cyt-c, the Bax/Bcl-2 and LC3-II/I ratio, and the malondialdehyde level in culture medium were higher in cells from HFD-SED rats. No significant difference between ND-SED and HFD-EX rats was observed, except for the average length of cell neurites in MAP2. Thus, HFD impaired the differentiation potential of ADSCs into neuron-like cells, which was accompanied by increases in apoptotic activity and oxidative stress. Importantly, exercise training ameliorated the HFD-induced impairment of neurogenesis in ADSCs. The adipose tissue microenvironment could influence the differentiation potential of ADSCs, a source of autologous stem cell therapy.
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Affiliation(s)
- Hisashi Kato
- Faculty of Health and Sports Science, Doshisha University, Kyotanabe, Kyoto, Japan.,Organization for Research Initiatives and Development, Doshisha University, Kyotanabe, Kyoto, Japan
| | - Hidemasa Minamizato
- Faculty of Health and Sports Science, Doshisha University, Kyotanabe, Kyoto, Japan
| | - Hideki Ohno
- Social Medical Corporation Foundation "Yamatokai,", Higashiyamato, Tokyo, Japan
| | - Yoshinobu Ohira
- Graduate School of Health and Sports Science, Doshisha University, Kyotanabe, Kyoto, Japan
| | - Tetsuya Izawa
- Faculty of Health and Sports Science, Doshisha University, Kyotanabe, Kyoto, Japan.,Graduate School of Health and Sports Science, Doshisha University, Kyotanabe, Kyoto, Japan
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17
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Decreased serum estrogen improves fat graft retention by enhancing early macrophage infiltration and inducing adipocyte hypertrophy. Biochem Biophys Res Commun 2018; 501:266-272. [DOI: 10.1016/j.bbrc.2018.04.232] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 04/30/2018] [Indexed: 11/20/2022]
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18
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Cai J, Feng J, Liu K, Zhou S, Lu F. Early Macrophage Infiltration Improves Fat Graft Survival by Inducing Angiogenesis and Hematopoietic Stem Cell Recruitment. Plast Reconstr Surg 2018; 141:376-386. [DOI: 10.1097/prs.0000000000004028] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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19
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Cai J, Li B, Liu K, Feng J, Gao K, Lu F. Low-dose G-CSF improves fat graft retention by mobilizing endogenous stem cells and inducing angiogenesis, whereas high-dose G-CSF inhibits adipogenesis with prolonged inflammation and severe fibrosis. Biochem Biophys Res Commun 2017; 491:662-667. [DOI: 10.1016/j.bbrc.2017.07.147] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 07/25/2017] [Indexed: 11/30/2022]
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20
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Muir LA, Baker NA, Washabaugh AR, Neeley CK, Flesher CG, DelProposto JB, Geletka LM, Ghaferi AA, Finks JF, Singer K, Varban OA, Lumeng CN, O'Rourke RW. Adipocyte hypertrophy-hyperplasia balance contributes to weight loss after bariatric surgery. Adipocyte 2017; 6:134-140. [PMID: 28425841 DOI: 10.1080/21623945.2017.1287639] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Predictors of weight loss responses are not well-defined. We hypothesized that adipose tissue phenotypic features related to remodeling would be associated with bariatric surgery weight loss responses. Visceral and subcutaneous adipose tissues collected from patients during bariatric surgery were studied with flow cytometry, immunohistochemistry, and QRTPCR, and results correlated with weight loss outcomes. Age, male sex, and a diagnosis of type 2 diabetes were associated with less weight loss. Adipocyte size was increased and preadipocyte frequency was decreased in visceral adipose tissue from diabetic subjects. Decreased adipose tissue preadipocyte frequency was associated with less weight loss in women but not men. These data suggest that phenotypic features of adipose tissue remodeling may predict responses to weight loss interventions.
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Affiliation(s)
- Lindsey A. Muir
- Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Nicki A. Baker
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Alexandra R. Washabaugh
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Christopher K. Neeley
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Carmen G. Flesher
- Undergraduate Research Opportunity Program, University of Michigan, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Jennifer B. DelProposto
- Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Lynn M. Geletka
- Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Amir A. Ghaferi
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Surgery, Ann Arbor Veteran's Administration Hospital, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Jonathan F. Finks
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Kanakadurga Singer
- Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Oliver A. Varban
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Carey N. Lumeng
- Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
- Graduate Program in Cellular and Molecular Biology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Robert W. O'Rourke
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Surgery, Ann Arbor Veteran's Administration Hospital, Ann Arbor, MI, USA
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
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