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Srinivasagan R, Galmés S, Vasileva D, Rubí P, Palou A, Amengual J, Ribot J, von Lintig J, Bonet ML. Maternal genetics and diet modulate vitamin A homeostasis of the offspring and affect the susceptibility to obesity in adulthood in mice. Am J Physiol Endocrinol Metab 2024; 327:E258-E270. [PMID: 39017681 DOI: 10.1152/ajpendo.00116.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 06/04/2024] [Accepted: 07/06/2024] [Indexed: 07/18/2024]
Abstract
Perinatal nutrition exerts a profound influence on adult metabolic health. This study aimed to investigate whether increased maternal vitamin A (VA) supply can lead to beneficial metabolic phenotypes in the offspring. The researchers utilized mice deficient in the intestine-specific homeobox (ISX) transcription factor, which exhibits increased intestinal VA retinoid production from dietary β-carotene (BC). ISX-deficient dams were fed a VA-sufficient or a BC-enriched diet during the last week of gestation and the whole lactation period. Total retinol levels in milk and weanling livers were 2- to 2.5-fold higher in the offspring of BC-fed dams (BC offspring), indicating increased VA supplies during late gestation and lactation. The corresponding VA-sufficient and BC offspring (males and females) were compared at weaning and adulthood after being fed either a standard or high-fat diet (HFD) with regular VA content for 13 weeks from weaning. HFD-induced increases in adiposity metrics, such as fat depot mass and adipocyte diameter, were more pronounced in males than females and were attenuated or suppressed in the BC offspring. Notably, the BC offspring were protected from HFD-induced increases in circulating triacylglycerol levels and hepatic steatosis. These protective effects were associated with reduced food efficiency, enhanced capacity for thermogenesis and mitochondrial oxidative metabolism in adipose tissues, and increased adipocyte hyperplasia rather than hypertrophy in the BC offspring. In conclusion, maternal VA nutrition influenced by genetics may confer metabolic benefits to the offspring, with mild increases in late gestation and lactation protecting against obesity and metabolic dysregulation in adulthood.NEW & NOTEWORTHY A genetic mouse model, deficient in intestine-specific homeobox (ISX) transcription factor, is used to show that a mildly increased maternal vitamin A supply from β-carotene feeding during late gestation and lactation programs energy and lipid metabolism in tissues and protects the offspring from diet-induced hypertrophic obesity and hepatic steatosis. This knowledge may have implications for human populations where polymorphisms in ISX and ISX target genes involved in vitamin A homeostasis are prevalent.
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Affiliation(s)
- Ramkumar Srinivasagan
- Department of Pharmacology, School of Medicine, Case Western Reserve University, Cleveland, Ohio, United State
| | - Sebastià Galmés
- Laboratory of Molecular Biology, Nutrition, and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición, Palma, Spain
| | - Denitsa Vasileva
- Laboratory of Molecular Biology, Nutrition, and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
| | - Paula Rubí
- Laboratory of Molecular Biology, Nutrition, and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
| | - Andreu Palou
- Laboratory of Molecular Biology, Nutrition, and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición, Palma, Spain
| | - Jaume Amengual
- Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Champaign, Illinois, United States
| | - Joan Ribot
- Laboratory of Molecular Biology, Nutrition, and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición, Palma, Spain
| | - Johannes von Lintig
- Department of Pharmacology, School of Medicine, Case Western Reserve University, Cleveland, Ohio, United State
| | - M Luisa Bonet
- Laboratory of Molecular Biology, Nutrition, and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición, Palma, Spain
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Long KZ, Beckmann J, Lang C, Seelig H, Nqweniso S, Probst-Hensch N, Pühse U, Steinmann P, Randt RD, Walter C, Utzinger J, Gerber M. Randomized Trial to Improve Body Composition and Micronutrient Status Among South African Children. Am J Prev Med 2024; 66:1078-1088. [PMID: 38309672 DOI: 10.1016/j.amepre.2024.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 01/23/2024] [Accepted: 01/23/2024] [Indexed: 02/05/2024]
Abstract
INTRODUCTION Physical activity (PA) promotion combined with multimicronutrient supplementation (MMNS) among school-age children may reduce fat mass accrual and increase muscle mass through different mechanisms and so benefit child health. This study determined the efficacy of combined interventions on body composition among South African schoolchildren and determined if micronutrients mediate these effects. STUDY DESIGN Longitudinal cluster randomized controlled trial of children followed from 2019 to 2021. Statistical analyses carried from 2022 to 2023. SETTING/PARTICIPANTS A total of 1,304 children 6-12 years of age recruited from public schools in Gqeberha, South Africa. INTERVENTION Children were randomized by classes to either: (a) a physical activity group (PA); (b) a MMNS group; (c) a physical activity + multimicronutrient supplementation group (PA + MMNS); and (d) a placebo control group. MAIN OUTCOME MEASURES Trajectories of overall and truncal fat free mass (FFM) and fat mass (FM) estimates in modeled at 9 and 21 months using latent growth curve models (LGCM). Changes in micronutrient concentrations at 9 months from baseline. RESULTS An increased FFM trajectory was found among children in the MMNS arm at 9 months (Beta 0.16, 95% CI = 0.12, 0.31). The PA and MMNS arms both had positive indirect effects on this trajectory at 9 months (Beta 0.66, 95% CI = 0.44, 0.88 and Beta 0.32 95% CI = 0.1 0.5, respectively) and similarly at 21 months when mediated by zinc concentration changes. A reduced FM trajectory was found among children in the PA promotion arm at 9 months when using this collection point as the referent intercept. This arm was inversely associated with the FM trajectory at 9 months when mediated by zinc changes. CONCLUSIONS PA and MMNS promotion in school-based interventions directly contributed to reductions in FM and increased FFM among South African children and indirectly through changes in micronutrient status. TRIAL REGISTRATION ISRCTN, ISRCTN29534081. Registered on August 9, 2018 Institutional review board: Ethikkommission Nordwest- und Zentralschweiz" (EKNZ, project number: Req-2018-00608). Date of approval: 2018.
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Affiliation(s)
- Kurt Z Long
- Swiss Tropical and Public Health Institute, University of Basel, Basel, Switzerland.
| | - Johanna Beckmann
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Christin Lang
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Harald Seelig
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Siphesihle Nqweniso
- Department of Human Movement Science, Nelson Mandela University, Port Elizabeth, South Africa
| | - Nicole Probst-Hensch
- Swiss Tropical and Public Health Institute, University of Basel, Basel, Switzerland
| | - Uwe Pühse
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Peter Steinmann
- Swiss Tropical and Public Health Institute, University of Basel, Basel, Switzerland
| | - Rosa du Randt
- Department of Human Movement Science, Nelson Mandela University, Port Elizabeth, South Africa
| | - Cheryl Walter
- Department of Human Movement Science, Nelson Mandela University, Port Elizabeth, South Africa
| | - Jürg Utzinger
- Swiss Tropical and Public Health Institute, University of Basel, Basel, Switzerland
| | - Markus Gerber
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
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Bonet ML, Ribot J, Sánchez J, Palou A, Picó C. Early Life Programming of Adipose Tissue Remodeling and Browning Capacity by Micronutrients and Bioactive Compounds as a Potential Anti-Obesity Strategy. Cells 2024; 13:870. [PMID: 38786092 PMCID: PMC11120104 DOI: 10.3390/cells13100870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/13/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024] Open
Abstract
The early stages of life, especially the period from conception to two years, are crucial for shaping metabolic health and the risk of obesity in adulthood. Adipose tissue (AT) plays a crucial role in regulating energy homeostasis and metabolism, and brown AT (BAT) and the browning of white AT (WAT) are promising targets for combating weight gain. Nutritional factors during prenatal and early postnatal stages can influence the development of AT, affecting the likelihood of obesity later on. This narrative review focuses on the nutritional programming of AT features. Research conducted across various animal models with diverse interventions has provided insights into the effects of specific compounds on AT development and function, influencing the development of crucial structures and neuroendocrine circuits responsible for energy balance. The hormone leptin has been identified as an essential nutrient during lactation for healthy metabolic programming against obesity development in adults. Studies have also highlighted that maternal supplementation with polyunsaturated fatty acids (PUFAs), vitamin A, nicotinamide riboside, and polyphenols during pregnancy and lactation, as well as offspring supplementation with myo-inositol, vitamin A, nicotinamide riboside, and resveratrol during the suckling period, can impact AT features and long-term health outcomes and help understand predisposition to obesity later in life.
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Affiliation(s)
- M. Luisa Bonet
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands, 07122 Palma, Spain; (M.L.B.); (J.S.); (A.P.); (C.P.)
- Health Research Institute of the Balearic Islands (IdISBa), 07010 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
- Artificial Intelligence Research Institute of the Balearic Islands (IAIB), University of the Balearic Islands, 07122 Palma, Spain
| | - Joan Ribot
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands, 07122 Palma, Spain; (M.L.B.); (J.S.); (A.P.); (C.P.)
- Health Research Institute of the Balearic Islands (IdISBa), 07010 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
| | - Juana Sánchez
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands, 07122 Palma, Spain; (M.L.B.); (J.S.); (A.P.); (C.P.)
- Health Research Institute of the Balearic Islands (IdISBa), 07010 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
| | - Andreu Palou
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands, 07122 Palma, Spain; (M.L.B.); (J.S.); (A.P.); (C.P.)
- Health Research Institute of the Balearic Islands (IdISBa), 07010 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
- Artificial Intelligence Research Institute of the Balearic Islands (IAIB), University of the Balearic Islands, 07122 Palma, Spain
| | - Catalina Picó
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands, 07122 Palma, Spain; (M.L.B.); (J.S.); (A.P.); (C.P.)
- Health Research Institute of the Balearic Islands (IdISBa), 07010 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
- Artificial Intelligence Research Institute of the Balearic Islands (IAIB), University of the Balearic Islands, 07122 Palma, Spain
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Tyczyńska M, Hunek G, Szczasny M, Brachet A, Januszewski J, Forma A, Portincasa P, Flieger J, Baj J. Supplementation of Micro- and Macronutrients-A Role of Nutritional Status in Non-Alcoholic Fatty Liver Disease. Int J Mol Sci 2024; 25:4916. [PMID: 38732128 PMCID: PMC11085010 DOI: 10.3390/ijms25094916] [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: 03/19/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a condition in which the pathological cumulation of fat with coexisting inflammation and damage of hepatic cells leads to progressive dysfunctions of the liver. Except for the commonly well-known major causes of NAFLD such as obesity, dyslipidemia, insulin resistance, or diabetes, an unbalanced diet and imbalanced nutritional status should also be taken into consideration. In this narrative review, we summarized the current knowledge regarding the micro- and macronutrient status of patients suffering from NAFLD considering various diets and supplementation of chosen supplements. We aimed to summarize the knowledge indicating which nutritional impairments may be associated with the onset and progression of NAFLD at the same time evaluating the potential therapy targets that could facilitate the healing process. Except for the above-mentioned objectives, one of the most important aspects of this review was to highlight the possible strategies for taking care of NAFLD patients taking into account the challenges and opportunities associated with the micronutrient status of the patients. The current research indicates that a supplementation of chosen vitamins (e.g., vitamin A, B complex, C, or D) as well as chosen elements such as zinc may alleviate the symptoms of NAFLD. However, there is still a lack of sufficient data regarding healthy ranges of dosages; thus, further research is of high importance in this matter.
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Affiliation(s)
- Magdalena Tyczyńska
- Department of Correct, Clinical and Imaging Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland;
| | - Gabriela Hunek
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (G.H.); (A.B.)
| | - Martyna Szczasny
- Chair and Department of Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (M.S.); (J.J.)
| | - Adam Brachet
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (G.H.); (A.B.)
| | - Jacek Januszewski
- Chair and Department of Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (M.S.); (J.J.)
| | - Alicja Forma
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (G.H.); (A.B.)
| | - Piero Portincasa
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari Medical School, 70124 Bari, Italy;
| | - Jolanta Flieger
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland;
| | - Jacek Baj
- Chair and Department of Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (M.S.); (J.J.)
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Caricasulo MA, Zanetti A, Terao M, Garattini E, Paroni G. Cellular and micro-environmental responses influencing the antitumor activity of all-trans retinoic acid in breast cancer. Cell Commun Signal 2024; 22:127. [PMID: 38360674 PMCID: PMC10870483 DOI: 10.1186/s12964-024-01492-2] [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: 11/01/2023] [Accepted: 01/18/2024] [Indexed: 02/17/2024] Open
Abstract
All-trans retinoic acid (ATRA) is the most relevant and functionally active metabolite of Vitamin-A. From a therapeutic standpoint, ATRA is the first example of pharmacological agent exerting its anti-tumor activity via a cell differentiating action. In the clinics, ATRA is used in the treatment of Acute Promyelocytic Leukemia, a rare form of myeloid leukemia with unprecedented therapeutic results. The extraordinary effectiveness of ATRA in the treatment of Acute Promyelocytic Leukemia patients has raised interest in evaluating the potential of this natural retinoid in the treatment of other types of neoplasias, with particular reference to solid tumors.The present article provides an overview of the available pre-clinical and clinical studies focussing on ATRA as a therapeutic agent in the context of breast cancer from a holistic point of view. In detail, we focus on the direct effects of ATRA in breast cancer cells as well as the underlying molecular mechanisms of action. In addition, we summarize the available information on the action exerted by ATRA on the breast cancer micro-environment, an emerging determinant of the progression and invasive behaviour of solid tumors. In particular we discuss the recent evidences of ATRA activity on the immune system. Finally, we analyse and discuss the results obtained with the few ATRA-based clinical trials conducted in the context of breast cancer.
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Affiliation(s)
- Maria Azzurra Caricasulo
- Department of Biochemistry and Molecular Pharmacology, Laboratory of Molecular Biology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri, 2, Milan, 20156, Italy
| | - Adriana Zanetti
- Department of Biochemistry and Molecular Pharmacology, Laboratory of Molecular Biology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri, 2, Milan, 20156, Italy
| | - Mineko Terao
- Department of Biochemistry and Molecular Pharmacology, Laboratory of Molecular Biology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri, 2, Milan, 20156, Italy
| | - Enrico Garattini
- Department of Biochemistry and Molecular Pharmacology, Laboratory of Molecular Biology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri, 2, Milan, 20156, Italy
| | - Gabriela Paroni
- Department of Biochemistry and Molecular Pharmacology, Laboratory of Molecular Biology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri, 2, Milan, 20156, Italy.
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Pinos I, Coronel J, Albakri A, Blanco A, McQueen P, Molina D, Sim J, Fisher EA, Amengual J. β-Carotene accelerates the resolution of atherosclerosis in mice. eLife 2024; 12:RP87430. [PMID: 38319073 PMCID: PMC10945528 DOI: 10.7554/elife.87430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024] Open
Abstract
β-Carotene oxygenase 1 (BCO1) catalyzes the cleavage of β-carotene to form vitamin A. Besides its role in vision, vitamin A regulates the expression of genes involved in lipid metabolism and immune cell differentiation. BCO1 activity is associated with the reduction of plasma cholesterol in humans and mice, while dietary β-carotene reduces hepatic lipid secretion and delays atherosclerosis progression in various experimental models. Here we show that β-carotene also accelerates atherosclerosis resolution in two independent murine models, independently of changes in body weight gain or plasma lipid profile. Experiments in Bco1-/- mice implicate vitamin A production in the effects of β-carotene on atherosclerosis resolution. To explore the direct implication of dietary β-carotene on regulatory T cells (Tregs) differentiation, we utilized anti-CD25 monoclonal antibody infusions. Our data show that β-carotene favors Treg expansion in the plaque, and that the partial inhibition of Tregs mitigates the effect of β-carotene on atherosclerosis resolution. Our data highlight the potential of β-carotene and BCO1 activity in the resolution of atherosclerotic cardiovascular disease.
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Affiliation(s)
- Ivan Pinos
- Division of Nutritional Sciences, University of Illinois Urbana ChampaignUrbanaUnited States
| | - Johana Coronel
- Department of Food Science and Human Nutrition, University of Illinois Urbana ChampaignUrbanaUnited States
| | - Asma'a Albakri
- Division of Nutritional Sciences, University of Illinois Urbana ChampaignUrbanaUnited States
| | - Amparo Blanco
- Division of Nutritional Sciences, University of Illinois Urbana ChampaignUrbanaUnited States
| | - Patrick McQueen
- Division of Nutritional Sciences, University of Illinois Urbana ChampaignUrbanaUnited States
| | - Donald Molina
- Department of Food Science and Human Nutrition, University of Illinois Urbana ChampaignUrbanaUnited States
| | - JaeYoung Sim
- Department of Food Science and Human Nutrition, University of Illinois Urbana ChampaignUrbanaUnited States
| | - Edward A Fisher
- The Leon H. Charney Division of Cardiology, Department of Medicine, The Marc and Ruti Bell Program in Vascular Biology, New York University Grossman School of Medicine, NYU Langone Medical CenterNew YorkUnited States
| | - Jaume Amengual
- Division of Nutritional Sciences, University of Illinois Urbana ChampaignUrbanaUnited States
- Department of Food Science and Human Nutrition, University of Illinois Urbana ChampaignUrbanaUnited States
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Song P, Zhao J, Li F, Zhao X, Feng J, Su Y, Wang B, Zhao J. Vitamin A regulates mitochondrial biogenesis and function through p38 MAPK-PGC-1α signaling pathway and alters the muscle fiber composition of sheep. J Anim Sci Biotechnol 2024; 15:18. [PMID: 38310300 PMCID: PMC10838450 DOI: 10.1186/s40104-023-00968-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 12/04/2023] [Indexed: 02/05/2024] Open
Abstract
BACKGROUND Vitamin A (VA) and its metabolite, retinoic acid (RA), are of great interest for their wide range of physiological functions. However, the regulatory contribution of VA to mitochondrial and muscle fiber composition in sheep has not been reported. METHOD Lambs were injected with 0 (control) or 7,500 IU VA palmitate into the biceps femoris muscle on d 2 after birth. At the age of 3 and 32 weeks, longissimus dorsi (LD) muscle samples were obtained to explore the effect of VA on myofiber type composition. In vitro, we investigated the effects of RA on myofiber type composition and intrinsic mechanisms. RESULTS The proportion of type I myofiber was greatly increased in VA-treated sheep in LD muscle at harvest. VA greatly promoted mitochondrial biogenesis and function in LD muscle of sheep. Further exploration revealed that VA elevated PGC-1α mRNA and protein contents, and enhanced the level of p38 MAPK phosphorylation in LD muscle of sheep. In addition, the number of type I myofibers with RA treatment was significantly increased, and type IIx myofibers was significantly decreased in primary myoblasts. Consistent with in vivo experiment, RA significantly improved mitochondrial biogenesis and function in primary myoblasts of sheep. We then used si-PGC-1α to inhibit PGC-1α expression and found that si-PGC-1α significantly abrogated RA-induced the formation of type I myofibers, mitochondrial biogenesis, MitoTracker staining intensity, UQCRC1 and ATP5A1 expression, SDH activity, and enhanced the level of type IIx muscle fibers. These data suggested that RA improved mitochondrial biogenesis and function by promoting PGC-1α expression, and increased type I myofibers. In order to prove that the effect of RA on the level of PGC-1α is caused by p38 MAPK signaling, we inhibited the p38 MAPK signaling using a p38 MAPK inhibitor, which significantly reduced RA-induced PGC-1α and MyHC I levels. CONCLUSION VA promoted PGC-1α expression through the p38 MAPK signaling pathway, improved mitochondrial biogenesis, and altered the composition of muscle fiber type.
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Affiliation(s)
- Pengkang Song
- College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, 030801, People's Republic of China
| | - Jiamin Zhao
- College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, 030801, People's Republic of China
| | - Fanqinyu Li
- College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, 030801, People's Republic of China
| | - Xiaoyi Zhao
- College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, 030801, People's Republic of China
| | - Jinxin Feng
- College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, 030801, People's Republic of China
| | - Yuan Su
- College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, 030801, People's Republic of China
| | - Bo Wang
- State Key Laboratory of Animal Nutrition and Feeding, Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Junxing Zhao
- College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, 030801, People's Republic of China.
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Pinos I, Coronel J, Albakri A, Blanco A, McQueen P, Molina D, Sim J, Fisher EA, Amengual J. β-carotene accelerates the resolution of atherosclerosis in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.03.07.531563. [PMID: 36945561 PMCID: PMC10028884 DOI: 10.1101/2023.03.07.531563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
β-carotene oxygenase 1 (BCO1) catalyzes the cleavage of β-carotene to form vitamin A. Besides its role in vision, vitamin A regulates the expression of genes involved in lipid metabolism and immune cell differentiation. BCO1 activity is associated with the reduction of plasma cholesterol in humans and mice, while dietary β-carotene reduces hepatic lipid secretion and delays atherosclerosis progression in various experimental models. Here we show that β-carotene also accelerates atherosclerosis resolution in two independent murine models, independently of changes in body weight gain or plasma lipid profile. Experiments in Bco1-/- mice implicate vitamin A production in the effects of β-carotene on atherosclerosis resolution. To explore the direct implication of dietary β-carotene on regulatory T cells (Tregs) differentiation, we utilized anti-CD25 monoclonal antibody infusions. Our data show that β-carotene favors Treg expansion in the plaque, and that the partial inhibition of Tregs mitigates the effect of β-carotene on atherosclerosis resolution. Our data highlight the potential of β-carotene and BCO1 activity in the resolution of atherosclerotic cardiovascular disease.
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Affiliation(s)
- Ivan Pinos
- Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL
| | - Johana Coronel
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL
| | - Asma'a Albakri
- Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL
| | - Amparo Blanco
- Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL
| | - Patrick McQueen
- Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL
| | - Donald Molina
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL
| | - JaeYoung Sim
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL
| | - Edward A Fisher
- The Leon H. Charney Division of Cardiology, Department of Medicine, The Marc and Ruti Bell Program in Vascular Biology, New York University Grossman School of Medicine, NYU Langone Medical Center, NY
| | - Jaume Amengual
- Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL
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Taylor J, Uhl L, Moll I, Hasan SS, Wiedmann L, Morgenstern J, Giaimo BD, Friedrich T, Alsina-Sanchis E, De Angelis Rigotti F, Mülfarth R, Kaltenbach S, Schenk D, Nickel F, Fleming T, Sprinzak D, Mogler C, Korff T, Billeter AT, Müller-Stich BP, Berriel Diaz M, Borggrefe T, Herzig S, Rohm M, Rodriguez-Vita J, Fischer A. Endothelial Notch1 signaling in white adipose tissue promotes cancer cachexia. NATURE CANCER 2023; 4:1544-1560. [PMID: 37749321 PMCID: PMC10663158 DOI: 10.1038/s43018-023-00622-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/20/2023] [Indexed: 09/27/2023]
Abstract
Cachexia is a major cause of morbidity and mortality in individuals with cancer and is characterized by weight loss due to adipose and muscle tissue wasting. Hallmarks of white adipose tissue (WAT) remodeling, which often precedes weight loss, are impaired lipid storage, inflammation and eventually fibrosis. Tissue wasting occurs in response to tumor-secreted factors. Considering that the continuous endothelium in WAT is the first line of contact with circulating factors, we postulated whether the endothelium itself may orchestrate tissue remodeling. Here, we show using human and mouse cancer models that during precachexia, tumors overactivate Notch1 signaling in distant WAT endothelium. Sustained endothelial Notch1 signaling induces a WAT wasting phenotype in male mice through excessive retinoic acid production. Pharmacological blockade of retinoic acid signaling was sufficient to inhibit WAT wasting in a mouse cancer cachexia model. This demonstrates that cancer manipulates the endothelium at distant sites to mediate WAT wasting by altering angiocrine signals.
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Affiliation(s)
- Jacqueline Taylor
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Leonie Uhl
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, Würzburg, Germany
| | - Iris Moll
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sana Safatul Hasan
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Clinical Chemistry, University Medical Center Göttingen, Göttingen, Germany
| | - Lena Wiedmann
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jakob Morgenstern
- Department of Internal Medicine Endocrinology and Clinical Chemistry, University of Heidelberg, Heidelberg, Germany
| | | | - Tobias Friedrich
- Institute of Biochemistry, University of Giessen, Giessen, Germany
- Biomedical Informatics and Systems Medicine, Science Unit for Basic and Clinical Medicine, Giessen, Germany
| | - Elisenda Alsina-Sanchis
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Clinical Chemistry, University Medical Center Göttingen, Göttingen, Germany
| | - Francesca De Angelis Rigotti
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Tumor-Stroma Communication Laboratory, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Ronja Mülfarth
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sarah Kaltenbach
- Department of Clinical Chemistry, University Medical Center Göttingen, Göttingen, Germany
| | - Darius Schenk
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Felix Nickel
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Thomas Fleming
- Department of Internal Medicine Endocrinology and Clinical Chemistry, University of Heidelberg, Heidelberg, Germany
- German Center of Diabetes Research (DZD), Neuherberg, Germany
| | - David Sprinzak
- School of Neurobiology, Biochemistry and Biophysics, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Carolin Mogler
- Institute of Pathology, Technical University of Munich School of Medicine, Technical University of Munich, Munich, Germany
| | - Thomas Korff
- Institute of Physiology and Pathophysiology, Department of Cardiovascular Physiology, University of Heidelberg, Heidelberg, Germany
- European Center for Angioscience (ECAS), Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Adrian T Billeter
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Beat P Müller-Stich
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Mauricio Berriel Diaz
- Institute for Diabetes and Cancer, Helmholtz Center Munich, German Center for Diabetes Research (DZD), Neuherberg, Germany
- Joint Heidelberg-IDC Translational Diabetes Unit, Department of Inner Medicine I, Heidelberg University Hospital, Heidelberg, Germany
| | - Tilman Borggrefe
- Institute of Biochemistry, University of Giessen, Giessen, Germany
| | - Stephan Herzig
- Institute for Diabetes and Cancer, Helmholtz Center Munich, German Center for Diabetes Research (DZD), Neuherberg, Germany
- Joint Heidelberg-IDC Translational Diabetes Unit, Department of Inner Medicine I, Heidelberg University Hospital, Heidelberg, Germany
- Chair Molecular Metabolic Control, Technical University of Munich, Munich, Germany
| | - Maria Rohm
- Institute for Diabetes and Cancer, Helmholtz Center Munich, German Center for Diabetes Research (DZD), Neuherberg, Germany
- Joint Heidelberg-IDC Translational Diabetes Unit, Department of Inner Medicine I, Heidelberg University Hospital, Heidelberg, Germany
| | - Juan Rodriguez-Vita
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany.
- Tumor-Stroma Communication Laboratory, Centro de Investigación Príncipe Felipe, Valencia, Spain.
| | - Andreas Fischer
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany.
- Department of Clinical Chemistry, University Medical Center Göttingen, Göttingen, Germany.
- German Center for Cardiovascular Research (DZHK), partner site Göttingen, Göttingen, Germany.
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10
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Mercader-Barceló J, Martín-Medina A, Truyols-Vives J, Escarrer-Garau G, Elowsson L, Montes-Worboys A, Río-Bocos C, Muncunill-Farreny J, Velasco-Roca J, Cederberg A, Kadefors M, Molina-Molina M, Westergren-Thorsson G, Sala-Llinàs E. Mitochondrial Dysfunction in Lung Resident Mesenchymal Stem Cells from Idiopathic Pulmonary Fibrosis Patients. Cells 2023; 12:2084. [PMID: 37626894 PMCID: PMC10453747 DOI: 10.3390/cells12162084] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 08/09/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is characterized by an aberrant repair response with uncontrolled turnover of extracellular matrix involving mesenchymal cell phenotypes, where lung resident mesenchymal stem cells (LRMSC) have been supposed to have an important role. However, the contribution of LRMSC in lung fibrosis is not fully understood, and the role of LRMSC in IPF remains to be elucidated. Here, we performed transcriptomic and functional analyses on LRMSC isolated from IPF and control patients (CON). Both over-representation and gene set enrichment analyses indicated that oxidative phosphorylation is the major dysregulated pathway in IPF LRMSC. The most relevant differences in biological processes included complement activation, mesenchyme development, and aerobic electron transport chain. Compared to CON LRMSC, IPF cells displayed impaired mitochondrial respiration, lower expression of genes involved in mitochondrial dynamics, and dysmorphic mitochondria. These changes were linked to an impaired autophagic response and a lower mRNA expression of pro-apoptotic genes. In addition, IPF TGFβ-exposed LRMSC presented different expression profiles of mitochondrial-related genes compared to CON TGFβ-treated cells, suggesting that TGFβ reinforces mitochondrial dysfunction. In conclusion, these results suggest that mitochondrial dysfunction is a major event in LRMSC and that their occurrence might limit LRMSC function, thereby contributing to IPF development.
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Affiliation(s)
- Josep Mercader-Barceló
- iRESPIRE Research Group, Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
- MolONE Research Group, University of the Balearic Islands, 07122 Palma, Spain
| | - Aina Martín-Medina
- iRESPIRE Research Group, Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
| | - Joan Truyols-Vives
- MolONE Research Group, University of the Balearic Islands, 07122 Palma, Spain
| | | | - Linda Elowsson
- Lung Biology, Department of Experimental Medical Science, Lund University, 08908 Lund, Sweden
| | - Ana Montes-Worboys
- ILD Unit, Respiratory Department, University Hospital of Bellvitge-Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, 08908 Barcelona, Spain
| | - Carlos Río-Bocos
- iRESPIRE Research Group, Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
| | | | - Julio Velasco-Roca
- Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
| | - Anna Cederberg
- Lung Biology, Department of Experimental Medical Science, Lund University, 08908 Lund, Sweden
| | - Måns Kadefors
- Lung Biology, Department of Experimental Medical Science, Lund University, 08908 Lund, Sweden
| | - Maria Molina-Molina
- ILD Unit, Respiratory Department, University Hospital of Bellvitge-Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, 08908 Barcelona, Spain
- Centre of Biomedical Research Network in Respiratory Diseases (CIBERES), 28029 Madrid, Spain
| | | | - Ernest Sala-Llinàs
- iRESPIRE Research Group, Health Research Institute of the Balearic Islands (IdISBa), 07120 Palma, Spain
- Centre of Biomedical Research Network in Respiratory Diseases (CIBERES), 28029 Madrid, Spain
- Respiratory Department, Son Espases University Hospital, 07120 Palma, Spain
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11
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Pinos I, Yu J, Pilli N, Kane MA, Amengual J. Functional characterization of interleukin 4 and retinoic acid signaling crosstalk during alternative macrophage activation. Biochim Biophys Acta Mol Cell Biol Lipids 2023; 1868:159291. [PMID: 36754230 PMCID: PMC9974901 DOI: 10.1016/j.bbalip.2023.159291] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/25/2023] [Accepted: 01/28/2023] [Indexed: 02/09/2023]
Abstract
Retinoic acid possesses potent immunomodulatory properties in various cell types, including macrophages. In this study, we first investigated the effects at the transcriptional and functional levels of exogenous retinoic acid in murine bone marrow-derived macrophages (BMDMs) in the presence or absence of interleukin 4 (IL4), a cytokine with potent anti-inflammatory properties. We examined the effect of IL4 on vitamin A homeostasis in macrophages by quantifying retinoid synthesis and secretion. Our RNAseq data show that exogenous retinoic acid synergizes with IL4 to regulate anti-inflammatory pathways such as oxidative phosphorylation and phagocytosis. Efferocytosis and lysosomal degradation assays validated gene expression changes at the functional level. IL4 treatment altered the expression of several genes involved in vitamin A transport and conversion to retinoic acid. Radiolabeling experiments and mass spectrometry assays revealed that IL4 stimulates retinoic acid production and secretion in a signal transducer and activator of transcription 6 (STAT6)-dependent manner. In summary, our studies highlight the key role of exogenous and endogenous retinoic acid in shaping the anti-inflammatory response of macrophages.
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Affiliation(s)
- Ivan Pinos
- Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL, United States
| | - Jianshi Yu
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, United States
| | - Nageswara Pilli
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, United States
| | - Maureen A Kane
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, United States
| | - Jaume Amengual
- Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL, United States; Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL, United States.
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12
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Choi M, Yun JW. β-Carotene induces UCP1-independent thermogenesis via ATP-consuming futile cycles in 3T3-L1 white adipocytes. Arch Biochem Biophys 2023; 739:109581. [PMID: 36948352 DOI: 10.1016/j.abb.2023.109581] [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: 12/07/2022] [Revised: 03/17/2023] [Accepted: 03/19/2023] [Indexed: 03/24/2023]
Abstract
The activation of brown fat and induction of beige adipocytes, so-called non-shivering thermogenesis, is emerging as a promising target for therapeutic intervention in obesity management. Our previous report demonstrated that β-carotene (BC) induces beige adipocytes to increase UCP1-dependent thermogenic activity. However, the UCP1-independent thermogenic effect of BC on adipose tissues remains unexplored. In this study, we examined the effects of BC on UCP1-independent thermogenic activity with a focus on the ATP-consuming futile cycles in 3T3-L1 adipocytes. BC increased intracellular calcium levels and stimulated the expression of calcium cycling-related proteins, including sarcoendoplasmic reticulum Ca2+-ATPase (SERCA) 2b, ryanodine receptor 2 (RyR2), voltage-dependent anion channel (VDAC), mitochondrial calcium uniporter (MCU), and Ca2+/calmodulin-dependent protein kinase 2 (CaMK2) in 3T3-L1 white adipocytes. In addition, BC stimulated thermogenesis by activating the creatine metabolism-related thermogenic pathway. Moreover, BC activated β-carotene oxygenase 1 (BCO1), which efficiently cleaved BC to retinal and consequently converted to its transcriptionally active form retinoic acid. These BC conversion products also exhibited thermogenic effects comparable to a similar level of BC. The mechanistic study revealed that retinal exhibited thermogenic activity independently of retinoic acid and retinoic acid-mediated thermogenesis was resulted partly from conversion of retinal. Moreover, BC activated α1-AR and UCP1-independent thermogenic effectors independently of UCP1 expression. In conclusion, the thermogenic response to BC and its conversion products in 3T3-L1 white adipocytes involves two interacting pathways, one mediated via β3-adrenergic receptors (β3-AR) and cyclic adenosine monophosphate (cAMP) and the other via α1-AR and increases in cytosolic Ca2+ levels activated by calcium regulatory proteins.
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Affiliation(s)
- Minji Choi
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk, 38453, Republic of Korea
| | - Jong Won Yun
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk, 38453, Republic of Korea.
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13
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Kim DH, Lee J, Lee C, Shin BJ, Ryu BY, Lee K. Short communication: In ovo injection of all-trans retinoic acid causes adipocyte hypertrophy in embryos but lost its effect in posthatch chickens. Animal 2023; 17:100750. [PMID: 36934565 DOI: 10.1016/j.animal.2023.100750] [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: 12/31/2022] [Revised: 02/10/2023] [Accepted: 02/20/2023] [Indexed: 03/06/2023] Open
Abstract
The regulation of adipose deposition in broiler chickens is an important factor for production efficiency to poultry producers and health concerns to customers. Although vitamin A and its metabolite [all-trans retinoic acid (atRA)] have been used for studies on adipogenesis in mammals and avian, effects of embryonic atRA on adipose development in embryonic (E) and posthatch (D) ages in broiler chickens have not been studied yet. Different concentrations of atRA (0 M-2 μM) were injected in broiler eggs at E10, and adipose tissues were sampled at E16. Percentages of adipose tissues in chicken embryos were significantly increased in the group injected with 500 nM of atRA compared to the 0 M group (P < 0.05). In addition, the adipocyte cross-sectional area (CSA) was significantly greater by in ovo injection of 500 nM atRA compared to the injection of 0 M (P < 0.01). Moreover, in ovo atRA-injected embryos were hatched and BWs were measured at D0, D7, and D14. BWs were not different from those of the 0 M group. Percentages of adipose tissues and CSA of the in ovo atRA-injected group (500 nM) were not different from those of the 0 M group at D14. Taken together, the current study clearly showed that in ovo injection of atRA promoted adipose deposition with hypertrophy during embryonic development, but its effects were not maintained in early posthatch age in broiler chickens, implying that embryonic atRA has an important role in the regulation of adipose development in chicken embryos.
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Affiliation(s)
- Dong-Hwan Kim
- Department of Animal Sciences, The Ohio State University, Columbus, OH 43210, USA
| | - Joonbum Lee
- Department of Animal Sciences, The Ohio State University, Columbus, OH 43210, USA
| | - Chanhee Lee
- Department of Animal Sciences, The Ohio State University, Wooster, OH 44691, USA
| | - Beom-Jin Shin
- Department of Animal Science and Technology, Chung-Ang University, Ansung, Gyeonggi-Do 17546, South Korea
| | - Buom-Yong Ryu
- Department of Animal Science and Technology, Chung-Ang University, Ansung, Gyeonggi-Do 17546, South Korea
| | - Kichoon Lee
- Department of Animal Sciences, The Ohio State University, Columbus, OH 43210, USA; The Ohio State University Interdisciplinary Human Nutrition Program, The Ohio State University, Columbus, OH 43210, USA.
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14
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Karmakar E, Das N, Mukherjee B, Das P, Mukhopadhyay S, Roy SS. Lipid-induced alteration in retinoic acid signaling leads to mitochondrial dysfunction in HepG2 and Huh7 cells. Biochem Cell Biol 2023. [PMID: 36787544 DOI: 10.1139/bcb-2022-0266] [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: 02/16/2023] Open
Abstract
A surfeit of mitochondrial reactive oxygen species (ROS) and inflammation serve as obligatory mediators of lipid-associated hepatocellular maladies. While retinoid homeostasis is essential in restoring systemic energy balance, its role in hepatic mitochondrial function remains elusive. The role of lecithin-retinol acyltransferase (LRAT) in maintenance of retinoid homeostasis is appreciated earlier; however, its role in modulating retinoic acid (RA) bioavailability upon lipid-imposition is unexplored. We identified LRAT overexpression in high-fat diet (HFD)-fed rats and palmitate-treated hepatoma cells. Elevation in LRAT expression depletes RA production and deregulates RA signaling. This altered RA metabolism enhances fat accumulation, accompanied by inflammation that leads to impaired mitochondrial function through enhanced ROS generation. Hence, LRAT inhibition could be a novel approach preventing lipid-induced mitochondrial dysfunction in hepatoma cells.
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Affiliation(s)
- Eshani Karmakar
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Nabanita Das
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata, 700032, India.,Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Raebareli, Bijnor-sisendi Road, Lucknow, Uttar Pradesh, 226002, India
| | - Bidisha Mukherjee
- Department of Endocrinology and Metabolism, Institute of Post Graduate Medical Education and Research, 244, A.J.C. Bose Road, Kolkata, 700020, India
| | - Prosenjit Das
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Satinath Mukhopadhyay
- Department of Endocrinology and Metabolism, Institute of Post Graduate Medical Education and Research, 244, A.J.C. Bose Road, Kolkata, 700020, India
| | - Sib Sankar Roy
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata, 700032, India.,Academy of Scientific & Innovative Research (AcSIR), India
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15
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Bertoncini-Silva C, Zingg JM, Fassini PG, Suen VMM. Bioactive dietary components-Anti-obesity effects related to energy metabolism and inflammation. Biofactors 2022; 49:297-321. [PMID: 36468445 DOI: 10.1002/biof.1921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 11/18/2022] [Indexed: 12/10/2022]
Abstract
Obesity is the result of the long-term energy imbalance between the excess calories consumed and the few calories expended. Reducing the intake of energy dense foods (fats, sugars), and strategies such as fasting and caloric restriction can promote body weight loss. Not only energy in terms of calories, but also the specific composition of the diet can affect the way the food is absorbed and how its energy is stored, used or dissipated. Recent research has shown that bioactive components of food, such as polyphenols and vitamins, can influence obesity and its pathologic complications such as insulin resistance, inflammation and metabolic syndrome. Individual micronutrients can influence lipid turnover but for long-term effects on weight stability, dietary patterns containing several micronutrients may be required. At the molecular level, these molecules modulate signaling and the expression of genes that are involved in the regulation of energy intake, lipid metabolism, adipogenesis into white, beige and brown adipose tissue, thermogenesis, lipotoxicity, adipo/cytokine synthesis, and inflammation. Higher concentrations of these molecules can be reached in the intestine, where they can modulate the composition and action of the microbiome. In this review, the molecular mechanisms by which bioactive compounds and vitamins modulate energy metabolism, inflammation and obesity are discussed.
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Affiliation(s)
- Caroline Bertoncini-Silva
- Department of Internal Medicine, Division of Nutrology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Jean-Marc Zingg
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Priscila Giacomo Fassini
- Department of Internal Medicine, Division of Nutrology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Vivian Marques Miguel Suen
- Department of Internal Medicine, Division of Nutrology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
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16
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Zhu S, Zhang J, Zhu D, Jiang X, Wei L, Wang W, Chen YQ. Adipose tissue plays a major role in retinoic acid-mediated metabolic homoeostasis. Adipocyte 2022; 11:47-55. [PMID: 34957917 PMCID: PMC8726720 DOI: 10.1080/21623945.2021.2015864] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Retinoic acid (RA), a bioactive metabolite of vitamin A, has shown therapeutic effects in liver disease, and its effect in improving non-alcoholic fatty liver disease (NAFLD) is associated with the inhibition of adipogenesis in the white adipose tissue (WAT) and fatty acid oxidation induction in the liver. However, the major target organ of RA is unknown. We performed chronic administration of RA in high-fat diet (HFD)-induced NAFLD mice. Further, hepatic and adipose cells were used to study the direct effect of RA on lipid metabolism. In addition, qRT-PCR was performed to examine differential gene expression in mouse adipose tissue. RA administration ameliorated NAFLD in HFD-induced obese mice and increased mouse energy expenditure. Although RA had therapeutic effects on liver histology and lipid accumulation, it did not directly affect lipid metabolism in HepG2 cells. In contrast, RA reduced the weight of several adipose tissues and improved lipid accumulation in OP9 cells. In addition, RA upregulated genes responsible for fatty acid oxidation and thermogenesis in three different WATs. Our work suggests that the liver may not be the main target organ of RA during NAFLD treatment. WAT browning induced by RA may be the primary contributor towards the amelioration of NAFLD in HFD-induced obese mice.
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Affiliation(s)
- Shenglong Zhu
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, China
| | - Jingwei Zhang
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Doudou Zhu
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Xuan Jiang
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Lengyun Wei
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Wei Wang
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Yong Q. Chen
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
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17
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Coronel J, Yu J, Pilli N, Kane MA, Amengual J. The conversion of β-carotene to vitamin A in adipocytes drives the anti-obesogenic effects of β-carotene in mice. Mol Metab 2022; 66:101640. [PMID: 36400405 PMCID: PMC9707038 DOI: 10.1016/j.molmet.2022.101640] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/30/2022] [Accepted: 11/09/2022] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE The β-carotene oxygenase 1 (BCO1) is the enzyme responsible for the cleavage of β-carotene to retinal, the first intermediate in vitamin A formation. Preclinical studies suggest that BCO1 expression is required for dietary β-carotene to affect lipid metabolism. The goal of this study was to generate a gene therapy strategy that over-expresses BCO1 in the adipose tissue and utilizes the β-carotene stored in adipocytes to produce vitamin A and reduce obesity. METHODS We generated a novel adipose-tissue-specific, adeno-associated vector to over-express BCO1 (AT-AAV-BCO1) in murine adipocytes. We tested this vector using a unique model to achieve β-carotene accumulation in the adipose tissue, in which Bco1-/- mice were fed β-carotene. An AT-AAV over-expressing green fluorescent protein was utilized as control. We evaluated the adequate delivery route and optimized cellular and organ specificity, dosage, and exposure of our vectors. We also employed morphometric analyses to evaluate the effect of BCO1 expression in adiposity, as well as HPLC and mass spectrometry to quantify β-carotene and retinoids in tissues, including retinoic acid. RESULTS AT-AAV-BCO1 infusions in the adipose tissue of the mice resulted in the production of retinoic acid, a vitamin A metabolite with strong effects on gene regulation. AT-AAV-BCO1 treatment also reduced adipose tissue size and adipocyte area by 35% and 30%, respectively. These effects were sex-specific, highlighting the complexity of vitamin A metabolism in mammals. CONCLUSIONS The over-expression of BCO1 through delivery of an AT-AAV-BCO1 leads to the conversion of β-carotene to vitamin A in adipocytes, which subsequently results in reduction of adiposity. These studies highlight for the first time the potential of adipose tissue β-carotene as a target for BCO1 over-expression in the reduction of obesity.
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Affiliation(s)
- Johana Coronel
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Jianshi Yu
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, MD, USA
| | - Nageswara Pilli
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, MD, USA
| | - Maureen A. Kane
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, MD, USA
| | - Jaume Amengual
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA,Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA,Corresponding author. Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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18
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Tan L, Zhang Y, Wang H, Haberer H. Retinoic acid promotes tissue vitamin A status and modulates adipose tissue metabolism of neonatal rats exposed to maternal high-fat diet-induced obesity. J Nutr Sci 2022; 11:e54. [PMID: 35836697 PMCID: PMC9274391 DOI: 10.1017/jns.2022.53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/11/2022] [Accepted: 06/14/2022] [Indexed: 11/06/2022] Open
Abstract
Maternal obesity may compromise the micronutrient status of the offspring. Vitamin A (VA) is an essential micronutrient during neonatal development. Its active metabolite, retinoic acid (RA), is a key regulator of VA homeostasis, which also regulates adipose tissue (AT) development in obese adults. However, its role on VA status and AT metabolism in neonates was unknown and it was determined in the present study. Pregnant Sprague-Dawley rats were randomised to a normal fat diet (NFD) or a high fat diet (HFD). From postnatal day 5 (P5) to P20, half of the HFD pups received oral RA every 3 d (HFDRA group). NFD pups and the remaining HFD pups (HFD group) received placebo. Six hours after dosing on P8, P14 and P20, n 4 pups per group were euthanised for different measures. It was found that total retinol concentration in neonatal liver and lung was significantly lower in the HFD group than the NFD group, while the concentrations were significantly increased in the HFDRA group. The HFD group exhibited significantly higher body weight (BW) gain, AT mass, serum leptin and adiponectin, and gene expression of these adipokines in white adipose tissue compared with the NFD group; these measures were significantly reduced in the HFDRA group. BAT UCP2 and UCP3 gene expression were significantly higher in pups receiving RA. In conclusion, repeated RA treatment during the suckling period improved the tissue VA status of neonates exposed to maternal obesity. RA also exerted a regulatory effect on neonatal obesity development by reducing BW gain and adiposity and modulating AT metabolism.
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Key Words
- Adipose tissue
- BAT, brown adipose tissue
- BW, body weight
- HFD, high fat diet
- LRAT, lecithin:retinol acyltransferase
- Maternal obesity
- NFD, normal fat diet
- Neonatal lung
- Neonatal obesity
- Neonate
- P, postnatal
- RA, retinoic acid
- RAR, retinoic acid receptor
- RXR, retinoid X receptor
- Retinoic acid
- UCP, uncoupling protein
- UPLC, ultra-high-performance liquid chromatography
- VA, vitamin A
- Vitamin A
- WAT, white adipose tissue
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Affiliation(s)
- Libo Tan
- Department of Human Nutrition, University of Alabama, 407 Russell Hall, 504 University Blvd, Tuscaloosa, AL 35487, USA
| | - Yanqi Zhang
- Department of Human Nutrition, University of Alabama, 407 Russell Hall, 504 University Blvd, Tuscaloosa, AL 35487, USA
| | - Hui Wang
- Department of Human Nutrition, University of Alabama, 407 Russell Hall, 504 University Blvd, Tuscaloosa, AL 35487, USA
| | - Heleena Haberer
- Department of Biological Sciences, University of Alabama, Tuscaloosa, AL 35487, USA
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Lee NH, Choi MJ, Yu H, Kim JI, Cheon HG. Adapalene induces adipose browning through the RARβ-p38 MAPK-ATF2 pathway. Arch Pharm Res 2022; 45:340-351. [PMID: 35608792 DOI: 10.1007/s12272-022-01384-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 05/16/2022] [Indexed: 11/02/2022]
Abstract
Adipose browning has recently been reported to be a novel therapeutic strategy for obesity. Because the retinoic acid receptor (RAR) is a potential target involved in browning, adapalene (AD), an anti-acne agent with RAR agonism, was examined in detail for its effects on adipose browning and the underlying mechanisms in vitro and in vivo. AD upregulated the expression of adipose browning-related markers in a concentration-dependent manner, promoted mitochondrial biogenesis, increased oxygen consumption rates, and lowered lipid droplet sizes in differentiated 3T3/L1 white adipocytes. Among the three retinoic acid receptors (RARα, RARβ, and RARγ), knockdown of the gene encoding RARβ mitigated AD-induced adipose browning. Similarly, LE135 (a selective RARβ antagonist) attenuated AD action, suggesting that AD promotes adipose browning through RARβ. Sequential phosphorylation of p38 mitogen-activated protein kinase (MAPK) and activating transcription factor 2 (ATF2) was critical for AD-induced adipose browning, based on the observations that either SB203580 (a p38 MAPK inhibitor) or ATF2 siRNA reduced the effects of AD. In vivo browning effects of AD were confirmed in C57BL/6J mice and high-fat diet-induced obese (DIO) mice after oral administration of AD either acutely or chronically. This study identifies new actions of AD as an adipose browning agent and demonstrates that RARβ activation followed by increased phosphorylation of p38 MAPK and ATF2 appears to be a key mechanism of AD action.
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Affiliation(s)
- Na Hyun Lee
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, Republic of Korea
| | - Mi Jin Choi
- Department of Pharmacology, Gachon University School of Medicine, Incheon, 21999, Republic of Korea
| | - Hana Yu
- Department of Pharmacology, Gachon University School of Medicine, Incheon, 21999, Republic of Korea
| | - Jea Il Kim
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, Republic of Korea
| | - Hyae Gyeong Cheon
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, Republic of Korea. .,Department of Pharmacology, Gachon University School of Medicine, Incheon, 21999, Republic of Korea.
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20
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Neonatal vitamin A administration increases intramuscular fat by promoting angiogenesis and preadipocyte formation. Meat Sci 2022; 191:108847. [DOI: 10.1016/j.meatsci.2022.108847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 05/07/2022] [Accepted: 05/09/2022] [Indexed: 11/24/2022]
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21
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Wang Q, Sun N, Kunzke T, Buck A, Shen J, Prade VM, Stöckl B, Wang J, Feuchtinger A, Walch A. A simple preparation step to remove excess liquid lipids in white adipose tissue enabling improved detection of metabolites via MALDI-FTICR imaging MS. Histochem Cell Biol 2022; 157:595-605. [PMID: 35391562 PMCID: PMC9114030 DOI: 10.1007/s00418-022-02088-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/09/2022] [Indexed: 11/10/2022]
Abstract
Matrix-assisted laser desorption ionization (MALDI) Fourier transform ion cyclotron resonance (FTICR) imaging mass spectrometry (MS) is a powerful technology used to analyze metabolites in various tissues. However, it faces significant challenges in studying adipose tissues. Poor matrix distribution and crystallization caused by excess liquid lipids on the surface of tissue sections hamper m/z species detection, an adverse effect that particularly presents in lipid-rich white adipose tissue (WAT). In this study, we integrated a simple and low-cost preparation step into the existing MALDI-FTICR imaging MS pipeline. The new method—referred to as filter paper application—is characterized by an easy sample handling and high reproducibility. The aforementioned filter paper is placed onto the tissue prior to matrix application in order to remove the layer of excess liquid lipids. Consequently, MALDI-FTICR imaging MS detection was significantly improved, resulting in a higher number of detected m/z species and higher ion intensities. After analyzing various durations of filter paper application, 30 s was found to be optimal, resulting in the detection of more than 3700 m/z species. Apart from the most common lipids found in WAT, other molecules involved in various metabolic pathways were detected, including nucleotides, carbohydrates, and amino acids. Our study is the first to propose a solution to a specific limitation of MALDI-FTICR imaging MS in investigating lipid-rich WAT. The filter paper approach can be performed quickly and is particularly effective for achieving uniform matrix distribution on fresh frozen WAT while maintaining tissue integrity. It thus helps to gain insight into the metabolism in WAT.
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Affiliation(s)
- Qian Wang
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Na Sun
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Thomas Kunzke
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Achim Buck
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Jian Shen
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Verena M Prade
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Barbara Stöckl
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Jun Wang
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Annette Feuchtinger
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany
| | - Axel Walch
- Research Unit Analytical Pathology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany.
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22
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Zalesak-Kravec S, Huang W, Jones JW, Yu J, Alloush J, Defnet AE, Moise AR, Kane MA. Role of cellular retinol-binding protein, type 1 and retinoid homeostasis in the adult mouse heart: A multi-omic approach. FASEB J 2022; 36:e22242. [PMID: 35253263 DOI: 10.1096/fj.202100901rrr] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 12/14/2022]
Abstract
The main active metabolite of Vitamin A, all-trans retinoic acid (RA), is required for proper cellular function and tissue organization. Heart development has a well-defined requirement for RA, but there is limited research on the role of RA in the adult heart. Homeostasis of RA includes regulation of membrane receptors, chaperones, enzymes, and nuclear receptors. Cellular retinol-binding protein, type 1 (CRBP1), encoded by retinol-binding protein, type 1 (Rbp1), regulates RA homeostasis by delivering vitamin A to enzymes for RA synthesis and protecting it from non-specific oxidation. In this work, a multi-omics approach was used to characterize the effect of CRBP1 loss using the Rbp1-/- mouse. Retinoid homeostasis was disrupted in Rbp1-/- mouse heart tissue, as seen by a 33% and 24% decrease in RA levels in the left and right ventricles, respectively, compared to wild-type mice (WT). To further inform on the effect of disrupted RA homeostasis, we conducted high-throughput targeted metabolomics. A total of 222 metabolite and metabolite combinations were analyzed, with 33 having differential abundance between Rbp1-/- and WT hearts. Additionally, we performed global proteome profiling to further characterize the impact of CRBP1 loss in adult mouse hearts. More than 2606 unique proteins were identified, with 340 proteins having differential expression between Rbp1-/- and WT hearts. Pathway analysis performed on metabolomic and proteomic data revealed pathways related to cellular metabolism and cardiac metabolism were the most disrupted in Rbp1-/- mice. Together, these studies characterize the effect of CRBP1 loss and reduced RA in the adult heart.
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Affiliation(s)
- Stephanie Zalesak-Kravec
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Weiliang Huang
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Jace W Jones
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Jianshi Yu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Jenna Alloush
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Amy E Defnet
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Alexander R Moise
- Medical Sciences Division, Northern Ontario School of Medicine, Sudbury, Ontario, Canada
| | - Maureen A Kane
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
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23
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Chung KY, Kim J, Johnson BJ. All-trans retinoic acid alters the expression of adipogenic genes during the differentiation of bovine intramuscular and subcutaneous adipocytes. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2021; 63:1397-1410. [PMID: 34957453 PMCID: PMC8672257 DOI: 10.5187/jast.2021.e125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/30/2021] [Accepted: 11/12/2021] [Indexed: 11/29/2022]
Abstract
The present study was designed to determine the influence of all-trans retinoic
acid (ATRA) on adipogenesis-related gene regulation in bovine intramuscular (IM)
and subcutaneous (SC) adipose cells during differentiation. Bovine IM and SC
adipocytes were isolated from three 19-mo-old, crossbred steers. Adipogenic
differentiation was induced upon cultured IM and SC preadipocytes with various
doses (0, 0.001, 0.01, 0.1, 1 µM) of ATRA. After 96 h of incubation,
cells were harvested and used to measure the gene expression of
CCAAT/Enhancer binding protein β (C/EBPβ),
peroxisome proliferator-activated receptor (PPAR) γ,
glucose transporter 4 (GLUT4), stearoyl CoA
desaturase (SCD), and Smad transcription factor 3
(Smad3) relative to the quantity of ribosomal protein
subunit 9 (RPS 9). Retinoic acid receptor (RAR) antagonist also
tested to identify the effect of ATRA on PPARγ -RAR related gene
expression in IM cells. The addition of ATRA to bovine IM decreased
(p < 0.05) expression of PPARγ. The
expression of PPARγ was also tended to be downregulated
(p < 0.1) in high levels (10 μM) of ATRA
treatment in SC cells. The treatment of RAR antagonist increased the expression
of PPARγ in IM cells. Expression of
C/EBPβ decreased (p < 0.05)
in SC, but no change was observed in IM (p > 0.05).
Increasing levels of ATRA may block adipogenic differentiation via
transcriptional regulation of PPARγ. The efficacy of ATRA treatment in
adipose cells may vary depending on the location.
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Affiliation(s)
- Ki Yong Chung
- Department of Beef Science, Korea National College of Agriculture and Fisheries, Jeonju 54874, Korea
| | - Jongkyoo Kim
- Department of Animal Science & Food Science and Human Nutrition, Michigan State University, East Lansing, MI 48824, USA
| | - Bradley J Johnson
- Department of Animal and Food Science, Texas Tech University, Lubbock, TX 79409, USA
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24
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Wiśniewski O, Rajczewski A, Szumigała A, Gibas-Dorna M. Diet-Induced Adipocyte Browning. POL J FOOD NUTR SCI 2021. [DOI: 10.31883/pjfns/143164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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25
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Stojnić B, Serrano A, Sušak L, Palou A, Bonet ML, Ribot J. Protective Effects of Individual and Combined Low Dose Beta-Carotene and Metformin Treatments against High-Fat Diet-Induced Responses in Mice. Nutrients 2021; 13:3607. [PMID: 34684608 PMCID: PMC8538788 DOI: 10.3390/nu13103607] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/24/2021] [Accepted: 10/13/2021] [Indexed: 12/17/2022] Open
Abstract
Anti-obesity activity has been reported for beta-carotene (BC) supplementation at high doses and metformin (MET). We studied whether BC treatment at a closer to dietary dose and MET treatment at a lower than therapeutic dose are effective in ameliorating unwanted effects of an obesogenic diet and whether their combination is advantageous. Obesity-prone mice were challenged with a high-fat diet (HFD, 45% energy as fat) for 4 weeks while receiving a placebo or being treated orally with BC (3 mg/kg/day), MET (100 mg/kg/day), or their combination (BC+MET); a fifth group received a placebo and was kept on a normal-fat diet (10% energy as fat). HFD-induced increases in body weight gain and inguinal white adipose tissue (WAT) adipocyte size were attenuated maximally or selectively in the BC+MET group, in which a redistribution towards smaller adipocytes was noted. Cumulative energy intake was unaffected, yet results suggested increased systemic energy expenditure and brown adipose tissue activation in the treated groups. Unwanted effects of HFD on glucose control and insulin sensitivity were attenuated in the treated groups, especially BC and BC+MET, in which hepatic lipid content was also decreased. Transcriptional analyses suggested effects on skeletal muscle and WAT metabolism could contribute to better responses to the HFD, especially in the MET and BC+MET groups. The results support the benefits of the BC+MET cotreatment.
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Affiliation(s)
- Bojan Stojnić
- Grupo de Nutrigenómica, Biomarcadores y Evaluación de Riesgos, Laboratory of Molecular Biology, Nutrition and Biotechnology (LBNB), Universitat de les Illes Balears, 07122 Palma, Spain; (B.S.); (A.S.); (L.S.); (A.P.); (J.R.)
| | - Alba Serrano
- Grupo de Nutrigenómica, Biomarcadores y Evaluación de Riesgos, Laboratory of Molecular Biology, Nutrition and Biotechnology (LBNB), Universitat de les Illes Balears, 07122 Palma, Spain; (B.S.); (A.S.); (L.S.); (A.P.); (J.R.)
| | - Lana Sušak
- Grupo de Nutrigenómica, Biomarcadores y Evaluación de Riesgos, Laboratory of Molecular Biology, Nutrition and Biotechnology (LBNB), Universitat de les Illes Balears, 07122 Palma, Spain; (B.S.); (A.S.); (L.S.); (A.P.); (J.R.)
| | - Andreu Palou
- Grupo de Nutrigenómica, Biomarcadores y Evaluación de Riesgos, Laboratory of Molecular Biology, Nutrition and Biotechnology (LBNB), Universitat de les Illes Balears, 07122 Palma, Spain; (B.S.); (A.S.); (L.S.); (A.P.); (J.R.)
- Institut d’Investigació Sanitària Illes Balears (IdISBa), 07120 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), 07122 Palma, Spain
| | - M. Luisa Bonet
- Grupo de Nutrigenómica, Biomarcadores y Evaluación de Riesgos, Laboratory of Molecular Biology, Nutrition and Biotechnology (LBNB), Universitat de les Illes Balears, 07122 Palma, Spain; (B.S.); (A.S.); (L.S.); (A.P.); (J.R.)
- Institut d’Investigació Sanitària Illes Balears (IdISBa), 07120 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), 07122 Palma, Spain
| | - Joan Ribot
- Grupo de Nutrigenómica, Biomarcadores y Evaluación de Riesgos, Laboratory of Molecular Biology, Nutrition and Biotechnology (LBNB), Universitat de les Illes Balears, 07122 Palma, Spain; (B.S.); (A.S.); (L.S.); (A.P.); (J.R.)
- Institut d’Investigació Sanitària Illes Balears (IdISBa), 07120 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), 07122 Palma, Spain
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Juin SK, Pushpakumar S, Sen U. GYY4137 Regulates Extracellular Matrix Turnover in the Diabetic Kidney by Modulating Retinoid X Receptor Signaling. Biomolecules 2021; 11:biom11101477. [PMID: 34680110 PMCID: PMC8533431 DOI: 10.3390/biom11101477] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/21/2021] [Accepted: 10/04/2021] [Indexed: 12/20/2022] Open
Abstract
Diabetic kidney is associated with an accumulation of extracellular matrix (ECM) leading to renal fibrosis. Dysregulation of retinoic acid metabolism involving retinoic acid receptors (RARs) and retinoid X receptors (RXRs) has been shown to play a crucial role in diabetic nephropathy (DN). Furthermore, RARs and peroxisome proliferator-activated receptor γ (PPARγ) are known to control the RXR-mediated transcriptional regulation of several target genes involved in DN. Recently, RAR and RXR have been shown to upregulate plasminogen activator inhibitor-1 (PAI-1), a major player involved in ECM accumulation and renal fibrosis during DN. Interestingly, hydrogen sulfide (H2S) has been shown to ameliorate adverse renal remodeling in DN. We investigated the role of RXR signaling in the ECM turnover in diabetic kidney, and whether H2S can mitigate ECM accumulation by modulating PPAR/RAR-mediated RXR signaling. We used wild-type (C57BL/6J), diabetic (C57BL/6-Ins2Akita/J) mice and mouse mesangial cells (MCs) as experimental models. GYY4137 was used as a H2S donor. Results showed that in diabetic kidney, the expression of PPARγ was decreased, whereas upregulations of RXRα, RXRβ, and RARγ1 expression were observed. The changes were associated with elevated PAI-1, MMP-9 and MMP-13. In addition, the expressions of collagen IV, fibronectin and laminin were increased, whereas elastin expression was decreased in the diabetic kidney. Excessive collagen deposition was observed predominantly in the peri-glomerular and glomerular regions of the diabetic kidney. Immunohistochemical localization revealed elevated expression of fibronectin and laminin in the glomeruli of the diabetic kidney. GYY4137 reversed the pathological changes. Similar results were observed in in vitro experiments. In conclusion, our data suggest that RXR signaling plays a significant role in ECM turnover, and GYY4137 modulates PPAR/RAR-mediated RXR signaling to ameliorate PAI-1-dependent adverse ECM turnover in DN.
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Affiliation(s)
| | | | - Utpal Sen
- Correspondence: ; Tel.: +1-502-852-2030; Fax: +1-502-852-6239
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Adipose Tissue Immunometabolism and Apoptotic Cell Clearance. Cells 2021; 10:cells10092288. [PMID: 34571937 PMCID: PMC8470283 DOI: 10.3390/cells10092288] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 08/26/2021] [Accepted: 08/30/2021] [Indexed: 12/19/2022] Open
Abstract
The safe removal of apoptotic debris by macrophages—often referred to as efferocytosis—is crucial for maintaining tissue integrity and preventing self-immunity or tissue damaging inflammation. Macrophages clear tissues of hazardous materials from dying cells and ultimately adopt a pro-resolving activation state. However, adipocyte apoptosis is an inflammation-generating process, and the removal of apoptotic adipocytes by so-called adipose tissue macrophages triggers a sequence of events that lead to meta-inflammation and obesity-associated metabolic diseases. Signals that allow apoptotic cells to control macrophage immune functions are complex and involve metabolites released by the apoptotic cells and also metabolites produced by the macrophages during the digestion of apoptotic cell contents. This review provides a concise summary of the adipocyte-derived metabolites that potentially control adipose tissue macrophage immune functions and, hence, may induce or alleviate adipose tissue inflammation.
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28
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Chen G. The Interactions of Insulin and Vitamin A Signaling Systems for the Regulation of Hepatic Glucose and Lipid Metabolism. Cells 2021; 10:2160. [PMID: 34440929 PMCID: PMC8393264 DOI: 10.3390/cells10082160] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/17/2021] [Accepted: 08/19/2021] [Indexed: 02/07/2023] Open
Abstract
The pandemics of obesity and type 2 diabetes have become a concern of public health. Nutrition plays a key role in these concerns. Insulin as an anabolic hormonal was discovered exactly 100 years ago due to its activity in controlling blood glucose level. Vitamin A (VA), a lipophilic micronutrient, has been shown to regulate glucose and fat metabolism. VA's physiological roles are mainly mediated by its metabolite, retinoic acid (RA), which activates retinoic acid receptors (RARs) and retinoid X receptors (RXRs), which are two transcription factors. The VA status and activations of RARs and RXRs by RA and synthetic agonists have shown to affect the glucose and lipid metabolism in animal models. Both insulin and RA signaling systems regulate the expression levels of genes involved in the regulation of hepatic glucose and lipid metabolism. Interactions of insulin and RA signaling systems have been observed. This review is aimed at summarizing the history of diabetes, insulin and VA signaling systems; the effects of VA status and activation of RARs and RXRs on metabolism and RAR and RXR phosphorylation; and possible interactions of insulin and RA in the regulation of hepatic genes for glucose and lipid metabolism. In addition, some future research perspectives for understanding of nutrient and hormone interactions are provided.
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Affiliation(s)
- Guoxun Chen
- Department of Nutrition, University of Tennessee at Knoxville, Knoxville, TN 37996, USA
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29
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Regulatory Action of all trans Retinoic Acid on Metastasis Induced lung Cell Metabolic Changes during Implantation of B16F10 Cancer Cells in C57BL6 Mice. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2021. [DOI: 10.22207/jpam.15.2.26] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The changes that occur during metastasis lodging is under intense research now to develop preventive new drugs to fight against the deadly metastasis. The molecular drug, all trans Retinoic Acid (ATRA) has regulatory effects on signal mediated metabolism. In this study, we have analyzed the metastasis facilitating metabolic changes in mice lung when a highly metastatic melanoma cell line (B16F10) having potency to lodge in lung was implanted via tail vein injection into C57BL/6 mice (1×106 cells/ml in PBS). One group of implanted mice were treated with 0.60 mg of ATRA per Kg body weight daily for 21 days. The alteration of protein, enzymatic and non-enzymatic antioxidants (SOD, Catalase, GPX, GSH) levels and the lipid profile with cholesterol level were evaluated in the lung tissues. The ATRA treatment caused 62.16% inhibition on metastatic nodule formation. Compared to normal mice, the cancer control mice showed an increased (p≤ 0.01**) total protein, LPO and NO and a decreased antioxidant. In ATRA treated group, all these levels were reverted to near normal levels with a high significance (p≤ 0.01**) difference from untreated cancer mice. The lipid profile and cholesterol level also were altered in cancer and were normalized in ATRA treated group with high significance (p≤ 0.01**). All these results implies that the metabolic changes induced in the lung tissue during metastatic lodging of melanoma cells were prevented and regularized by the ATRA treatment in vivo which give a scope of anti-metastatic therapy using ATRA.
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Abstract
Dietary intake and tissue levels of carotenoids have been associated with a reduced risk of several chronic diseases, including cardiovascular diseases, type 2 diabetes, obesity, brain-related diseases and some types of cancer. However, intervention trials with isolated carotenoid supplements have mostly failed to confirm the postulated health benefits. It has thereby been speculated that dosing, matrix and synergistic effects, as well as underlying health and the individual nutritional status plus genetic background do play a role. It appears that our knowledge on carotenoid-mediated health benefits may still be incomplete, as the underlying mechanisms of action are poorly understood in relation to human relevance. Antioxidant mechanisms - direct or via transcription factors such as NRF2 and NF-κB - and activation of nuclear hormone receptor pathways such as of RAR, RXR or also PPARs, via carotenoid metabolites, are the basic principles which we try to connect with carotenoid-transmitted health benefits as exemplified with described common diseases including obesity/diabetes and cancer. Depending on the targeted diseases, single or multiple mechanisms of actions may play a role. In this review and position paper, we try to highlight our present knowledge on carotenoid metabolism and mechanisms translatable into health benefits related to several chronic diseases.
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Ding Y, Zhang L, Yao X, Zhang H, He X, Fan Z, Song Z. Honokiol Alleviates High-Fat Diet-Induced Obesity of Mice by Inhibiting Adipogenesis and Promoting White Adipose Tissue Browning. Animals (Basel) 2021; 11:1493. [PMID: 34064117 PMCID: PMC8224378 DOI: 10.3390/ani11061493] [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: 04/25/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 12/14/2022] Open
Abstract
Honokiol (HON) is one of the main biological active components of the traditional Chinese medicine Magnolia officinalis and has many health benefits. The aim of this study was to investigate whether HON could alleviate obesity in mice by inhibiting adipogenesis and promoting the browning of white adipose tissue (WAT). C57BL/6 mice were divided into five groups and fed with a normal diet (ND), high-fat diet (HFD), or HFD supplemented with 200 (H200), 400 (H400), or 800 (H800) mg/kg BW HON for 8 weeks. The results showed that the mice fed HFD plus HON had lower body fat ratios (BFRs) and smaller adipocyte diameters in the epididymal WAT compared with those of the HFD group. With a proteomics analysis, the HON group upregulated 30 proteins and downregulated 98 proteins in the epididymal WAT of mice, and the steroid O-acyltransferase 1 (SOAT1) was screened as a key protein. The HON supplement prevented HFD-induced adipogenesis by reduced the mRNA and protein expression of SOAT1 and CCAAT/enhancer-binding protein-α (C/EBPα), suggesting that SOAT1 might play an important role in regulating adipogenesis. Moreover, HON treatment increased the expression of proteins related to the classical pathways of energy and lipid metabolism, such as AMP-activated kinase (AMPK) and acetyl-CoA carboxylase (ACC), and promoted the browning of epididymal WAT by upregulation of the protein expression of uncoupling protein 1 (UCP1) in the HFD mice. In conclusion, these results suggest that HON supplements could prevent increases in body fat for HFD mice by suppressing adipogenesis and promoting WAT browning.
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Affiliation(s)
- Yanan Ding
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.D.); (L.Z.); (X.Y.); (H.Z.); (X.H.)
- Hunan Co-Innovation Center of Animal Production Safety, Hunan Agricultural University, Changsha 410128, China
| | - Longlin Zhang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.D.); (L.Z.); (X.Y.); (H.Z.); (X.H.)
- Hunan Co-Innovation Center of Animal Production Safety, Hunan Agricultural University, Changsha 410128, China
| | - Xiaofeng Yao
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.D.); (L.Z.); (X.Y.); (H.Z.); (X.H.)
- Hunan Co-Innovation Center of Animal Production Safety, Hunan Agricultural University, Changsha 410128, China
| | - Haihan Zhang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.D.); (L.Z.); (X.Y.); (H.Z.); (X.H.)
- Hunan Co-Innovation Center of Animal Production Safety, Hunan Agricultural University, Changsha 410128, China
| | - Xi He
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.D.); (L.Z.); (X.Y.); (H.Z.); (X.H.)
- Hunan Co-Innovation Center of Animal Production Safety, Hunan Agricultural University, Changsha 410128, China
| | - Zhiyong Fan
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.D.); (L.Z.); (X.Y.); (H.Z.); (X.H.)
- Hunan Co-Innovation Center of Animal Production Safety, Hunan Agricultural University, Changsha 410128, China
| | - Zehe Song
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.D.); (L.Z.); (X.Y.); (H.Z.); (X.H.)
- Hunan Co-Innovation Center of Animal Production Safety, Hunan Agricultural University, Changsha 410128, China
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Kim DH, Lee J, Kim S, Lillehoj HS, Lee K. Hypertrophy of Adipose Tissues in Quail Embryos by in ovo Injection of All- Trans Retinoic Acid. Front Physiol 2021; 12:681562. [PMID: 34093239 PMCID: PMC8176229 DOI: 10.3389/fphys.2021.681562] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 04/14/2021] [Indexed: 12/04/2022] Open
Abstract
Excessive adipose accretion causes health issues in humans and decreases feed efficiency in poultry. Although vitamin A has been known to be involved in adipogenesis, effects of all-trans retinoic acid (atRA), as a metabolite of vitamin A, on embryonic adipose development have not been studied yet. Avian embryos are developing in confined egg environments, which can be directly modified to study effects of nutrients on embryonic adipogenesis. With the use of quail embryos, different concentrations of atRA (0 M to 10 μM) were injected in ovo at embryonic day (E) 9, and adipose tissues were sampled at E14. Percentages of fat pad weights in embryo weights were significantly increased in the group injected with 300 nM of atRA. Also, among three injection time points, E5, E7, or E9, E7 showed the most significant increase in weight and percentage of inguinal fat at E14. Injection of atRA at E7 increased fat cell size in E14 embryos with up-regulation of pro-adipogenic marker genes (Pparγ and Fabp4) and down-regulation of a preadipocyte marker gene (Dlk1) in adipose tissues. These data demonstrate that atRA promotes hypertrophic fat accretion in quail embryos, implying important roles of atRA in embryonic development of adipose tissues.
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Affiliation(s)
- Dong-Hwan Kim
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States
| | - Joonbum Lee
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States.,The Ohio State University Interdisciplinary Human Nutrition Program, The Ohio State University, Columbus, OH, United States
| | - Sanggu Kim
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, United States
| | - Hyun S Lillehoj
- Animal Bioscience and Biotechnology Laboratory, Beltsville Agricultural Research Center, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, United States
| | - Kichoon Lee
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States.,The Ohio State University Interdisciplinary Human Nutrition Program, The Ohio State University, Columbus, OH, United States
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Aragona KM, Rice EM, Engstrom M, Erickson PS. Effect of β-carotene supplementation to prepartum Holstein cows on colostrum quality and calf performance. J Dairy Sci 2021; 104:8814-8825. [PMID: 33985776 DOI: 10.3168/jds.2020-19553] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 03/30/2021] [Indexed: 11/19/2022]
Abstract
β-Carotene, a pro-vitamin A carotenoid, acts as an antioxidant, able to scavenge free radicals to prevent oxidative damage. It has also been shown to increase rumen microbial production in vitro. When supplemented prepartum, β-carotene increased colostral fat and protein concentrations. The objective of this experiment was to evaluate the effects of supplementing 700 mg/d β-carotene (BC) daily for 4 wk prepartum on cow performance, colostrum, and performance in subsequent calves. Eighteen multiparous Holstein cows housed in a tiestall barn were blocked by expected calving date and randomly assigned to treatments at 4 wk prepartum. Blood samples were collected 3 times a week for analysis of nonesterified fatty acids, ketones, β-carotene, and IgG. Urine samples were also collected 3 times a week for analysis of creatinine and purine derivatives. Colostrum was collected within 90 min after parturition. Calves were removed from their dams before suckling, weighed within 30 min of birth, and received 4 L of maternal colostrum. Blood samples were collected from calves before colostrum administration (0 h) and at 24 h via jugular venipuncture for analysis of IgG concentration and apparent efficiency of IgG absorption. The 18 calves born were blocked based on treatments of dams. All calves were fed 449 g/d dry matter of milk replacer (20% crude protein, 20% fat) and an 18% crude protein textured starter and water ad libitum at 2 d of age until weaning at 42 d. There were no differences in any blood parameters of cows during the prepartum period. Supplemental BC increased the solids content of colostrum compared with control (22.89% control; 27.75% BC). Calves born from control fed cows had greater efficiency of IgG absorption than those born from BC supplemented cows (52.16% control; 39.50%, BC). Calves born from BC fed cows had greater feed efficiency (average daily gain/dry matter intake) compared with those born from control supplemented cows (0.33 for control; 0.44 for BC). These data indicate that although supplementing β-carotene to cows in the prepartum period negatively affects apparent efficiency of IgG absorption, it improved feed efficiency in calves.
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Affiliation(s)
- K M Aragona
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham 03824
| | - E M Rice
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham 03824
| | - M Engstrom
- DSM Nutritional Products, North America, 45 Waterview Boulevard, Parsippany, NJ 07054
| | - P S Erickson
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham 03824.
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All-trans-retinoic acid ameliorates atherosclerosis, promotes perivascular adipose tissue browning, and increases adiponectin production in Apo-E mice. Sci Rep 2021; 11:4451. [PMID: 33627760 PMCID: PMC7904836 DOI: 10.1038/s41598-021-83939-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 02/09/2021] [Indexed: 01/31/2023] Open
Abstract
All-trans-retinoic acid (atRA), an active metabolite of vitamin A, exerts a potential role in the prevention of cardiovascular diseases. It has been shown that atRA ameliorates atherosclerosis while the exact mechanism underlying this protection remains unknown. This study investigated the influence of atRA on insulin resistance (IR), atherosclerosis, and the process of perivascular adipose tissue (PVAT) browning. Moreover, syntheses of adiponectin, adipokine with anti-atherogenic effects, and tumor necrosis factor-alpha (TNF-α), a pro-inflammatory cytokine, were determined in PVAT. Apolipoprotein E-deficient mice (Apo-E) and control C57BL/6J wild-type mice were treated with atRA (5 mg/kg/day) or vehicle (corn oil) by plastic feeding tubes for 8 weeks. Long-term atRA treatment in Apo-E mice did not affect insulin resistance. AtRa administration ameliorated atherosclerosis, induced PVAT browning, and increased adiponectin production in PVAT in Apo-E mice. Furthermore, atRA increased nitric oxide (NO) level but did not affect adiponectin concentration in the aorta of Apo-E mice. These results indicate that atRA ameliorates atherosclerosis in Apo-E mice. We also observed the browning of PVAT. Besides, atRA increased the synthesis of adiponectin in PVAT and augmented NO level in the aorta in ApoE mice.
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Petrosino JM, Longenecker JZ, Ramkumar S, Xu X, Dorn LE, Bratasz A, Yu L, Maurya S, Tolstikov V, Bussberg V, Janssen PM, Periasamy M, Kiebish MA, Duester G, von Lintig J, Ziouzenkova O, Accornero F. Paracardial fat remodeling affects systemic metabolism through alcohol dehydrogenase 1. J Clin Invest 2021; 131:141799. [PMID: 33586683 PMCID: PMC7880313 DOI: 10.1172/jci141799] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 12/10/2020] [Indexed: 11/17/2022] Open
Abstract
The relationship between adiposity and metabolic health is well established. However, very little is known about the fat depot, known as paracardial fat (pCF), located superior to and surrounding the heart. Here, we show that pCF remodels with aging and a high-fat diet and that the size and function of this depot are controlled by alcohol dehydrogenase 1 (ADH1), an enzyme that oxidizes retinol into retinaldehyde. Elderly individuals and individuals with obesity have low ADH1 expression in pCF, and in mice, genetic ablation of Adh1 is sufficient to drive pCF accumulation, dysfunction, and global impairments in metabolic flexibility. Metabolomics analysis revealed that pCF controlled the levels of circulating metabolites affecting fatty acid biosynthesis. Also, surgical removal of the pCF depot was sufficient to rescue the impairments in cardiometabolic flexibility and fitness observed in Adh1-deficient mice. Furthermore, treatment with retinaldehyde prevented pCF remodeling in these animals. Mechanistically, we found that the ADH1/retinaldehyde pathway works by driving PGC-1α nuclear translocation and promoting mitochondrial fusion and biogenesis in the pCF depot. Together, these data demonstrate that pCF is a critical regulator of cardiometabolic fitness and that retinaldehyde and its generating enzyme ADH1 act as critical regulators of adipocyte remodeling in the pCF depot.
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Affiliation(s)
- Jennifer M. Petrosino
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Jacob Z. Longenecker
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | | | - Xianyao Xu
- Department of Biomedical Engineering, Dorothy M. Davis Heart and Lung Research Institute
| | - Lisa E. Dorn
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | | | - Lianbo Yu
- Center for Biostatistics, Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio, USA
| | - Santosh Maurya
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | | | - Valerie Bussberg
- BERG, Precision Medicine Department, Framingham, Massachusetts, USA
| | - Paul M.L. Janssen
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Muthu Periasamy
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
- Department of Internal Medicine, University of Central Florida, Orlando, Florida, USA
| | | | - Gregg Duester
- Development, Aging, and Regeneration Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
| | - Johannes von Lintig
- Department of Pharmacology, Case Western Reserve University, Cleveland, Ohio, USA
| | - Ouliana Ziouzenkova
- Department of Human Sciences, College of Education and Human Ecology, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Federica Accornero
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
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Siannoto M, Nugraha GI, Lesmana R, Goenawan H, Tarawan VM, Khairani AF. The Nutraceuticals and White Adipose Tissue in Browning Process. CURRENT NUTRITION & FOOD SCIENCE 2021. [DOI: 10.2174/1573401316999200731004318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Obesity has become a prominent epidemic disease since its worldwide prevalence has
shown a continuous rise over the past few decades. The primary aim of obesity treatment is to effectively
reduce the intake of energy, while simultaneously increasing energy expenditure. Increasing
thermogenesis is one of the methods to increase energy expenditure. Thermogenesis, which primarily
occurs in brown adipose tissue, can also be produced by beige adipose tissue, through a process
known as browning. The browning process has recently been attracting a great deal of attention as
a potential anti-obesity agent. Many well-researched inducers of the browning process are readily
available, including cold exposure, agonist β3-adrenergic, agonist peroxisome proliferator activated
receptor γ, fibroblast growth factor 21, irisin and several nutraceuticals (including resveratrol,
curcumin, quercetin, fish oils, green tea, etc.). This mini review summarizes the current knowledge
and the latest research of some nutraceuticals that are potentially involved in the browning process.
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Affiliation(s)
- Melisa Siannoto
- Graduate Program of Antiaging and Aesthetics Medicine, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
| | - Gaga I. Nugraha
- Division of Biochemistry and Biomolecular, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
| | - Ronny Lesmana
- Physiology Division, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
| | - Hanna Goenawan
- Physiology Division, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
| | - Vita M. Tarawan
- Physiology Division, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
| | - Astrid F. Khairani
- Graduate Program of Antiaging and Aesthetics Medicine, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
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Xu Q, Fan Y, Loor JJ, Liang Y, Sun X, Jia H, Zhao C, Xu C. All-trans retinoic acid controls differentiation, proliferation, and lipolysis in isolated subcutaneous adipocytes from peripartal Holstein cows. J Dairy Sci 2021; 104:4999-5008. [PMID: 33551168 DOI: 10.3168/jds.2020-19408] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 11/05/2020] [Indexed: 11/19/2022]
Abstract
Preadipocyte proliferation and differentiation are critical for normal adipose tissue development, including achieving a mature phenotype, characterized by its ability to accumulate triacylglycerol and release fatty acids. In nonruminants, it is well known that all-trans retinoic acid (ATRA), the most-active form of vitamin A, helps regulate proliferation, differentiation, and apoptosis in several types of cells including adipocytes. The purpose of this study was to evaluate the effect of ATRA on proliferation, apoptosis, differentiation, and lipolysis of primary bovine adipocytes isolated from subcutaneous adipose tissue of 5 healthy Holstein cows at 17 (±4 standard deviations) d postpartum. Cells were stimulated with increasing concentrations of ATRA (0.2, 2, and 20 nM) at the preconfluent (2 d) and postconfluent (8 d) preadipocyte stage or at the mature adipocyte stage (2 d). All concentrations of ATRA inhibited preconfluent preadipocyte proliferation with decreased proportion of S-phase cells and reduced protein abundance of cyclins (CCND1, CCND2, CCND3, CCNE1) and cyclin-dependent kinases (CDK2, CDK4, CDK6). Compared with vehicle, ATRA treatment induced apoptosis in preconfluent preadipocytes. Additionally, ATRA (0.2, 2, and 20 nM) supplementation also inhibited differentiation of postconfluent preadipocytes through downregulation of protein abundance of PPARγ and C/EBPα. After induction of differentiation, basal lipolysis in mature adipocytes increased upon treatment with all concentrations of ATRA. However, data on phosphorylated hormone-sensitive lipase or PLIN1 indicated that ATRA had no effect on epinephrine-stimulated lipolysis in mature adipocytes. Overall, these results demonstrate that ATRA might inhibit lipid accumulation by suppressing preadipocyte proliferation and differentiation, subsequently leading to apoptosis in postconfluent preadipocytes and promoting basal lipolysis in mature adipocytes. Overall, these in vitro responses provide some insights into the potential for nutritional management to modulate adipose tissue lipolysis, particularly in overconditioned cows during the dry period, which are more susceptible to suffer metabolic disorders due to excessive fat mobilization postpartum.
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Affiliation(s)
- Qiushi Xu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Yunhui Fan
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Juan J Loor
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - Yusheng Liang
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - Xudong Sun
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Hongdou Jia
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Chenxu Zhao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Chuang Xu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China.
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Pope BD, Warren CR, Dahl MO, Pizza CV, Henze DE, Sinatra NR, Gonzalez GM, Chang H, Liu Q, Glieberman AL, Ferrier JP, Cowan CA, Parker KK. Fattening chips: hypertrophy, feeding, and fasting of human white adipocytes in vitro. LAB ON A CHIP 2020; 20:4152-4165. [PMID: 33034335 PMCID: PMC7818847 DOI: 10.1039/d0lc00508h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Adipose is a distributed organ that performs vital endocrine and energy homeostatic functions. Hypertrophy of white adipocytes is a primary mode of both adaptive and maladaptive weight gain in animals and predicts metabolic syndrome independent of obesity. Due to the failure of conventional culture to recapitulate adipocyte hypertrophy, technology for production of adult-size adipocytes would enable applications such as in vitro testing of weight loss therapeutics. To model adaptive adipocyte hypertrophy in vitro, we designed and built fat-on-a-chip using fiber networks inspired by extracellular matrix in adipose tissue. Fiber networks extended the lifespan of differentiated adipocytes, enabling growth to adult sizes. By micropatterning preadipocytes in a native cytoarchitecture and by adjusting cell-to-cell spacing, rates of hypertrophy were controlled independent of culture time or differentiation efficiency. In vitro hypertrophy followed a nonlinear, nonexponential growth model similar to human development and elicited transcriptomic changes that increased overall similarity with primary tissue. Cells on the chip responded to simulated meals and starvation, which potentiated some adipocyte endocrine and metabolic functions. To test the utility of the platform for therapeutic development, transcriptional network analysis was performed, and retinoic acid receptors were identified as candidate drug targets. Regulation by retinoid signaling was suggested further by pharmacological modulation, where activation accelerated and inhibition slowed hypertrophy. Altogether, this work presents technology for mature adipocyte engineering, addresses the regulation of cell growth, and informs broader applications for synthetic adipose in pharmaceutical development, regenerative medicine, and cellular agriculture.
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Affiliation(s)
- Benjamin D Pope
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA. and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Curtis R Warren
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Madeleine O Dahl
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - Christina V Pizza
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - Douglas E Henze
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - Nina R Sinatra
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - Grant M Gonzalez
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - Huibin Chang
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - Qihan Liu
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - Aaron L Glieberman
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - John P Ferrier
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA.
| | - Chad A Cowan
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Kevin Kit Parker
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Pierce Hall, Room 318, 29 Oxford Street, Cambridge, MA 02138, USA. and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
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Fenzl A, Kulterer OC, Spirk K, Mitulović G, Marculescu R, Bilban M, Baumgartner-Parzer S, Kautzky-Willer A, Kenner L, Plutzky J, Quadro L, Kiefer FW. Intact vitamin A transport is critical for cold-mediated adipose tissue browning and thermogenesis. Mol Metab 2020; 42:101088. [PMID: 32992038 PMCID: PMC7585949 DOI: 10.1016/j.molmet.2020.101088] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 09/16/2020] [Accepted: 09/21/2020] [Indexed: 12/23/2022] Open
Abstract
Objective Transformation of white into brown fat (“browning”) reduces obesity in many preclinical models and holds great promise as a therapeutic concept in metabolic disease. Vitamin A metabolites (retinoids) have been linked to thermogenic programming of adipose tissue; however, the physiologic importance of systemic retinoid transport for adipose tissue browning and adaptive thermogenesis is unknown. Methods We performed cold exposure studies in mice and humans and used a genetic model of defective vitamin A transport, the retinol binding protein deficient (Rbp−/-) mouse, to study the effects of cooling on systemic vitamin A and the relevance of intact retinoid transport on cold-induced adipose tissue browning. Results We show that cold stimulation in mice and humans leads to an increase in circulating retinol and its plasma transporter, Rbp. In Rbp−/- mice, thermogenic programming of adipocytes and oxidative mitochondrial function are dramatically impaired in subcutaneous white fat, which renders Rbp−/- mice more cold-sensitive. In contrast, retinol stimulation in primary human adipocytes promotes thermogenic gene expression and mitochondrial respiration. In humans, cold-mediated retinol increase is associated with a shift in oxidative substrate metabolism suggestive of higher lipid utilisation. Conclusions Systemic vitamin A levels are regulated by cold exposure in mice and humans, and intact retinoid transport is essential for cold-induced adipose tissue browning and adaptive thermogenesis.
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Affiliation(s)
- Anna Fenzl
- Clinical Division of Endocrinology and Metabolism, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Oana Cristina Kulterer
- Clinical Division of Endocrinology and Metabolism, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Katrin Spirk
- Clinical Division of Endocrinology and Metabolism, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Goran Mitulović
- Clinical Institute of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Rodrig Marculescu
- Clinical Institute of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Martin Bilban
- Clinical Institute of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Sabina Baumgartner-Parzer
- Clinical Division of Endocrinology and Metabolism, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Alexandra Kautzky-Willer
- Clinical Division of Endocrinology and Metabolism, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Lukas Kenner
- Clinical Institute of Pathology, Medical University of Vienna, Vienna, Austria
| | - Jorge Plutzky
- Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Loredana Quadro
- Department of Food Science and Rutgers Centre for Lipid Research and New Jersey Institute of Food Nutrition and Health, Rutgers University, New Brunswick, NJ, 08901, USA
| | - Florian W Kiefer
- Clinical Division of Endocrinology and Metabolism, Department of Medicine III, Medical University of Vienna, Vienna, Austria.
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Kim DH, Lee J, Suh Y, Cressman M, Lee K. Research Note: All-trans retinoic acids induce adipogenic differentiation of chicken embryonic fibroblasts and preadipocytes. Poult Sci 2020; 99:7142-7146. [PMID: 33248631 PMCID: PMC7704976 DOI: 10.1016/j.psj.2020.09.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 01/26/2023] Open
Abstract
Adipocytes store excess energy in the form of lipids, whereas fat accretion contributes to feed efficiency, meat quality, and female reproduction in poultry. As a metabolite of vitamin A, all-trans retinoic acid (atRA) has been shown to have influence over metabolic functions such as lipid and energy homeostasis, as well as adipogenesis. Although atRA has been known to function as a regulating factor in mammalian adipogenesis, the effects of atRA on adipogenesis has not been studied in chickens. In this study, chicken preadipocytes isolated from leg fat tissues at embryonic day (E) 14 and chicken embryonic fibroblasts (CEF) harvested at E5 were cultured. The preadipocytes and CEF in culture with 10% chicken serum were treated with various concentrations (0 μmol, 100 μmol, or 150 μmol) of supplemented atRA for 48 h. In these cells, cytoplasmic lipid droplet accumulation and mRNA expression for adipogenic genes were analyzed by Oil-Red-O staining and quantitative real-time PCR, respectively. Analysis of the relative amount of Oil-Red-O staining (lipid accumulation) revealed that all 3 variables increased in a dose-dependent manner, in response to increasing atRA supplementation. Genes involved in adipocyte differentiation, fatty acid transport, and triacylglycerol synthesis in both E14 preadipocytes and E5 CEF were upregulated by supplementation of atRA. These data demonstrated that atRA alone promoted adipogenesis of embryonic preadipocytes and fibroblasts in vitro, suggesting that atRA has an influential role in multiple stages of adipogenesis in chicken embryos.
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Affiliation(s)
- Dong-Hwan Kim
- Department of Animal Sciences, The Ohio State University, Columbus, OH, USA
| | - Joonbum Lee
- Department of Animal Sciences, The Ohio State University, Columbus, OH, USA; The Ohio State University Interdisciplinary Human Nutrition Program, The Ohio State University, Columbus 43210, USA
| | - Yeunsu Suh
- Department of Animal Sciences, The Ohio State University, Columbus, OH, USA
| | - Michael Cressman
- Department of Animal Sciences, The Ohio State University, Columbus, OH, USA
| | - Kichoon Lee
- Department of Animal Sciences, The Ohio State University, Columbus, OH, USA; The Ohio State University Interdisciplinary Human Nutrition Program, The Ohio State University, Columbus 43210, USA.
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Galmés S, Palou A, Serra F. Increased Risk of High Body Fat and Altered Lipid Metabolism Associated to Suboptimal Consumption of Vitamin A Is Modulated by Genetic Variants rs5888 ( SCARB1), rs1800629 ( UCP1) and rs659366 ( UCP2). Nutrients 2020; 12:E2588. [PMID: 32858880 PMCID: PMC7551832 DOI: 10.3390/nu12092588] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 08/13/2020] [Accepted: 08/24/2020] [Indexed: 01/05/2023] Open
Abstract
Obesity is characterized by an excessive body fat percentage (BF%). Animal and cell studies have shown benefits of vitamin A (VA) on BF% and lipid metabolism, but it is still controversial in humans. Furthermore, although some genetic variants may explain heterogeneity in VA plasma levels, their role in VA metabolic response is still scarcely characterized. This study was designed as a combination of an observational study involving 158 male subjects followed by a study with a well-balanced genotype-phenotype protocol, including in the design an ex vivo intervention study performed on isolated peripheral blood mononuclear cells (PBMCs) of the 41 former males. This is a strategy to accurately identify the delivery of Precision Nutrition recommendations to targeted subjects. The study assesses the influence of rs5888 (SCARB1), rs659366 (UCP2), and rs1800629 (UCP1) variants on higher BF% associated with suboptimal VA consumption and underlines the cellular mechanisms involved by analyzing basal and retinoic acid (RA) response on PBMC gene expression. Data show that male carriers with the major allele combinations and following suboptimal-VA diet show higher BF% (adjusted ANOVA test p-value = 0.006). Genotype-BF% interaction is observed on oxidative/inflammatory gene expression and also influences lipid related gene expression in response to RA. Data indicate that under suboptimal consumption of VA, carriers of VA responsive variants and with high-BF% show a gene expression profile consistent with an impaired basal metabolic state. The results show the relevance of consuming VA within the required amounts, its impact on metabolism and energy balance, and consequently, on men's adiposity with a clear influence of genetic variants SCARB1, UCP2 and UCP1.
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Affiliation(s)
- Sebastià Galmés
- Laboratory of Molecular Biology, Nutrition and Biotechnology, NUO Group, Universitat de les Illes Balears, 07122 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
- Institut d'Investigació Sanitària Illes Balears (IdISBa), 07120 Palma, Spain
- Alimentómica S.L., Spin-off n.1 of the University of the Balearic Islands, 07121 Palma, Spain
| | - Andreu Palou
- Laboratory of Molecular Biology, Nutrition and Biotechnology, NUO Group, Universitat de les Illes Balears, 07122 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
- Institut d'Investigació Sanitària Illes Balears (IdISBa), 07120 Palma, Spain
| | - Francisca Serra
- Laboratory of Molecular Biology, Nutrition and Biotechnology, NUO Group, Universitat de les Illes Balears, 07122 Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
- Institut d'Investigació Sanitària Illes Balears (IdISBa), 07120 Palma, Spain
- Alimentómica S.L., Spin-off n.1 of the University of the Balearic Islands, 07121 Palma, Spain
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Tan L, Zhang Y, Crowe-White KM, Senkus KE, Erwin ME, Wang H. Vitamin A Supplementation during Suckling and Postweaning Periods Attenuates the Adverse Metabolic Effects of Maternal High-Fat Diet Consumption in Sprague-Dawley Rats. Curr Dev Nutr 2020; 4:nzaa111. [PMID: 32734136 PMCID: PMC7382617 DOI: 10.1093/cdn/nzaa111] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 06/08/2020] [Accepted: 06/23/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Vitamin A (VA) has been demonstrated to be a regulator of adipose tissue (AT) development in adult obese models. However, little is known about the effect of VA on obesity-associated developmental and metabolic conditions in early life. OBJECTIVES We aimed to assess the effects of dietary VA supplementation during suckling and postweaning periods on the adiposity and metabolic health of neonatal and weanling rats from mothers consuming a high-fat diet (HFD). METHODS Pregnant Sprague-Dawley rats were fed a normal-fat diet (NFD; 25% fat; n = 2) or an HFD (50% fat; n = 2), both with 2.6 mg VA/kg. Upon delivery, half of the rat mothers were switched to diets with supplemented VA at 129 mg/kg, whereas the other half remained at 2.6 mg VA/kg. Four groups of rat pups were designated as NFD, NFD + VA, HFD, and HFD + VA, respectively. At postnatal day (P)14, P25, and P35, pups (n = 4 or 3/group) were killed. Body weight (BW), visceral white AT (WAT) mass, brown AT (BAT) mass, uncoupling protein 1 mRNA expression in BAT, serum glucose, lipids, adipokines, and inflammatory biomarkers, as well as serum and AT redox status were assessed. RESULTS Rat pups in the HFD group exhibited significantly higher BW, WAT mass, and serum glucose and leptin but reduced BAT mass compared with the NFD group. Without affecting the dietary intake, supplementing the HFD with VA significantly reduced the BW and WAT mass of pups but increased the BAT mass, significantly lowered the systemic and WAT oxidative stress, and modulated serum adipokines and lipids to some extent. CONCLUSIONS VA supplementation during suckling and postweaning periods attenuated metabolic perturbations caused by excessive fat intake. Supplementing maternal or infant obesogenic diets with VA or establishing a higher RDA of VA for specific populations should be studied further for managing overweight/obesity in early life.
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Affiliation(s)
- Libo Tan
- Department of Human Nutrition, University of Alabama, Tuscaloosa, AL, USA
| | - Yanqi Zhang
- Department of Human Nutrition, University of Alabama, Tuscaloosa, AL, USA
| | | | - Katelyn E Senkus
- Department of Human Nutrition, University of Alabama, Tuscaloosa, AL, USA
| | - Maddy E Erwin
- Department of Biological Sciences, University of Alabama, Tuscaloosa, AL, USA
| | - Hui Wang
- Department of Human Nutrition, University of Alabama, Tuscaloosa, AL, USA
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Cifre M, Palou A, Oliver P. Impaired CPT1A Gene Expression Response to Retinoic Acid Treatment in Human PBMC as Predictor of Metabolic Risk. Nutrients 2020; 12:E2269. [PMID: 32751185 PMCID: PMC7468959 DOI: 10.3390/nu12082269] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/20/2020] [Accepted: 07/27/2020] [Indexed: 01/05/2023] Open
Abstract
Ex vivo human peripheral blood mononuclear cell (PBMC) systems offer the possibility to test transcriptomic effects of food bioactive compounds with potential health effects. We investigated all-trans retinoic acid (ATRA) effect on mRNA expression of key lipid metabolism and inflammatory genes in PBMCs from normal-weight (NW) and overweight-obese (OW-OB) men with different metabolic syndrome-related features. PBMCs were incubated with 10 µM ATRA and mRNA levels of selected genes were analyzed using real-time RT-qPCR. Human ex vivo PBMCs responded to ATRA treatment, but the response for some genes was dependent on body mass index (BMI), with a lower response in PBMC from OW-OB than from NW donors. Moreover, gene expression response was affected by circulating high-density lipoprotein (HDL)-cholesterol levels. Particularly, the response to ATRA of CPT1A, previously reported as a sensitive metabolic risk predictive biomarker, was dependent on HDL levels and not on BMI, being impaired in those individuals with lower HDL levels, specifically in OW-OB. Thus, PBMCs' insensitivity to ATRA, which can be considered as indicative of impaired metabolism, was observed in individuals with higher metabolic risk (OW-OB with low HDL levels). In conclusion, an ex vivo human PBMC system indicates that ATRA response could be influenced by metabolic syndrome features. Moreover, our study reinforces the role of CPT1A as a marker of metabolic risk and points to plasmatic HDL-cholesterol levels as a parameter to take into consideration when the effects of nutritional factors and/or dietary interventions on humans are under study. Further studies including women are required to detect potential gender differences in the observed effects.
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Affiliation(s)
- Margalida Cifre
- Nutrigenomics and Obesity Group, University of the Balearic Islands, 07122 Palma, Spain; (M.C.); (P.O.)
- CIBER of Pathophysiology of Obesity and Nutrition (CIBEROBN), 28029 Madrid, Spain
| | - Andreu Palou
- Nutrigenomics and Obesity Group, University of the Balearic Islands, 07122 Palma, Spain; (M.C.); (P.O.)
- CIBER of Pathophysiology of Obesity and Nutrition (CIBEROBN), 28029 Madrid, Spain
- Health Research Institute of the Balearic Islands (IdISBa), 07010 Palma, Spain
| | - Paula Oliver
- Nutrigenomics and Obesity Group, University of the Balearic Islands, 07122 Palma, Spain; (M.C.); (P.O.)
- CIBER of Pathophysiology of Obesity and Nutrition (CIBEROBN), 28029 Madrid, Spain
- Health Research Institute of the Balearic Islands (IdISBa), 07010 Palma, Spain
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de Souza Mesquita LM, Mennitti LV, de Rosso VV, Pisani LP. The role of vitamin A and its pro-vitamin carotenoids in fetal and neonatal programming: gaps in knowledge and metabolic pathways. Nutr Rev 2020; 79:76-87. [DOI: 10.1093/nutrit/nuaa075] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Abstract
Vitamin A (VA) and its pro-vitamin carotenoids are naturally occurring lipophilic compounds involved in several cellular processes and metabolic pathways. Despite their broad spectrum of activities in the general population, dietary deficiencies of these compounds can potentially affect pregnancy outcomes. Since maternal nutritional status and diet composition during pregnancy and lactation can have long-lasting effects in offspring until adulthood, this study presents an overview of VA and the role of pro-VA carotenoids during pregnancy and lactation – the nutrition, metabolism, and biological effects in the offspring. The review aimed to discuss the pro-VA carotenoids and VA-associated pathways and summarize the results with reference to gestational disorders, and VA and pro-VA carotenoids as preventive agents. Also, considering that obesity, overweight, and metabolic diseases are major public health concerns worldwide, fetal and neonatal development is discussed, highlighting the physiological role of these molecules in obesity prevention. This review comprehensively summarizes the current data and shows the potential impact of these compounds on nutritional status in pregnancy and lactation.
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Affiliation(s)
- Leonardo M de Souza Mesquita
- Departamento de Biociências, Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Universidade Federal de São Paulo, Vila Mathias, Santos, São Paulo, Brazil
| | - Laís V Mennitti
- Departamento de Biociências, Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Universidade Federal de São Paulo, Vila Mathias, Santos, São Paulo, Brazil
| | - Veridiana V de Rosso
- Departamento de Biociências, Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Universidade Federal de São Paulo, Vila Mathias, Santos, São Paulo, Brazil
| | - Luciana P Pisani
- Departamento de Biociências, Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Universidade Federal de São Paulo, Vila Mathias, Santos, São Paulo, Brazil
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46
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Zhang Y, Crowe-White KM, Kong L, Tan L. Vitamin A Status and Deposition in Neonatal and Weanling Rats Reared by Mothers Consuming Normal and High-Fat Diets with Adequate or Supplemented Vitamin A. Nutrients 2020; 12:nu12051460. [PMID: 32443575 PMCID: PMC7284941 DOI: 10.3390/nu12051460] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 12/13/2022] Open
Abstract
The circulating level of vitamin A (VA; retinol) was reported to be lower in obese adults. It is unknown if maternal obesity influences the VA status of offspring. The objective of the study was to determine the VA status and deposition of neonatal and weanling rats reared by mothers consuming a normal or high-fat diet (NFD or HFD) with or without supplemented VA. Pregnant Sprague-Dawley rats were randomized to an NFD or HFD with 2.6 mg/kg VA. Upon delivery, half of the rat mothers in the NFD or HFD cohort were switched to an NFD or HFD with supplemented VA at 129 mg/kg (NFD+VA and HFD+VA group). The other half remained on their original diet (NFD and HFD group). At postnatal day 14 (P14), P25, and P35, pups (n = 4 or 3/group/time) were euthanized. The total retinol concentration in the serum, liver, visceral white adipose tissue (WAT), and brown adipose tissue (BAT) was measured. At P14, the HFD+VA group showed a significantly lower serum VA than the NFD+VA group. At P25, both the VA concentration and total mass in the liver, WAT, and BAT were significantly higher in the HFD+VA than the NFD+VA group. At P35, the HFD group exhibited a significantly higher VA concentration and mass in the liver and BAT compared with the NFD group. In conclusion, maternal HFD consumption resulted in more VA accumulation in storage organs in neonatal and/or weanling rats, which potentially compromised the availability of VA in circulation, especially under the VA-supplemented condition.
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47
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Zhang J, Cai B, Ma M, Luo W, Zhang Z, Zhang X, Nie Q. ALDH1A1 Inhibits Chicken Preadipocytes' Proliferation and Differentiation via the PPARγ Pathway In Vitro and In Vivo. Int J Mol Sci 2020; 21:ijms21093150. [PMID: 32365706 PMCID: PMC7246604 DOI: 10.3390/ijms21093150] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/26/2020] [Accepted: 04/28/2020] [Indexed: 12/14/2022] Open
Abstract
ALDH1A1 (aldehyde dehydrogenase 1A1) is a crucial protein in retinoids’ metabolism, and the lack of ALDH1A1 inhibits the fat deposition in mice. However, whether ALDH1A1 has a similar effect on chickens’ fat-depot is still unknown. In this study, we investigate the role of ALDH1A1 in chickens’ adipogenesis. The immortalized chicken preadipocyte 1 (ICP1) cell line and chicken primary preadipocytes isolated from abdominal fat were used to perform a series of experiments in vitro to elucidate the effects of ALDH1A1. In addition, lentivirus was used to verify the results of cell experiments in vivo. The data showed that overexpression of ALDH1A1 significantly weakened the proliferation of preadipocytes and suppressed the differentiation of preadipocytes through the PPARγ pathway, and the knockdown experiments had the opposite results. Moreover, chickens injected with overexpression lentivirus had higher abdominal fat percentage, a bigger size of lipid droplets, and higher triglyceride content in abdominal fat, and chickens injected with interfering lentivirus had the opposite situation. We proved that ALDH1A1 not only inhibited the proliferation and differentiation of chickens’ preadipocytes in vitro, but also inhibited the fat-depot of chickens in vivo, which was completely opposite the function of ALDH1A1 in mice, indicating that ALDH1A1 may have a different mechanism that is still unknown.
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Affiliation(s)
- Jing Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, Guangdong, China; (J.Z.); (B.C.); (M.M.); (W.L.); (Z.Z.); (X.Z.)
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, Guangdong, China
- National-Local Joint Engineering Research Center for Livestock Breeding, Guangzhou 510642, Guangdong, China
| | - Bolin Cai
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, Guangdong, China; (J.Z.); (B.C.); (M.M.); (W.L.); (Z.Z.); (X.Z.)
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, Guangdong, China
- National-Local Joint Engineering Research Center for Livestock Breeding, Guangzhou 510642, Guangdong, China
| | - Manting Ma
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, Guangdong, China; (J.Z.); (B.C.); (M.M.); (W.L.); (Z.Z.); (X.Z.)
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, Guangdong, China
- National-Local Joint Engineering Research Center for Livestock Breeding, Guangzhou 510642, Guangdong, China
| | - Wei Luo
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, Guangdong, China; (J.Z.); (B.C.); (M.M.); (W.L.); (Z.Z.); (X.Z.)
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, Guangdong, China
- National-Local Joint Engineering Research Center for Livestock Breeding, Guangzhou 510642, Guangdong, China
| | - Zipeng Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, Guangdong, China; (J.Z.); (B.C.); (M.M.); (W.L.); (Z.Z.); (X.Z.)
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, Guangdong, China
- National-Local Joint Engineering Research Center for Livestock Breeding, Guangzhou 510642, Guangdong, China
| | - Xiquan Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, Guangdong, China; (J.Z.); (B.C.); (M.M.); (W.L.); (Z.Z.); (X.Z.)
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, Guangdong, China
- National-Local Joint Engineering Research Center for Livestock Breeding, Guangzhou 510642, Guangdong, China
| | - Qinghua Nie
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, Guangdong, China; (J.Z.); (B.C.); (M.M.); (W.L.); (Z.Z.); (X.Z.)
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, Guangzhou 510642, Guangdong, China
- National-Local Joint Engineering Research Center for Livestock Breeding, Guangzhou 510642, Guangdong, China
- Correspondence: ; Tel.: +86-20-85285759; Fax: +86-20-85280740
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FTO Intronic SNP Strongly Influences Human Neck Adipocyte Browning Determined by Tissue and PPARγ Specific Regulation: A Transcriptome Analysis. Cells 2020; 9:cells9040987. [PMID: 32316277 PMCID: PMC7227023 DOI: 10.3390/cells9040987] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/08/2020] [Accepted: 04/10/2020] [Indexed: 12/13/2022] Open
Abstract
Brown adipocytes, abundant in deep-neck (DN) area in humans, are thermogenic with anti-obesity potential. FTO pro-obesity rs1421085 T-to-C single-nucleotide polymorphism (SNP) shifts differentiation program towards white adipocytes in subcutaneous fat. Human adipose-derived stromal cells were obtained from subcutaneous neck (SC) and DN fat of nine donors, of which 3-3 carried risk-free (T/T), heterozygous or obesity-risk (C/C) FTO genotypes. They were differentiated to white and brown (long-term Peroxisome proliferator-activated receptor gamma (PPARγ) stimulation) adipocytes; then, global RNA sequencing was performed and differentially expressed genes (DEGs) were compared. DN and SC progenitors had similar adipocyte differentiation potential but differed in DEGs. DN adipocytes displayed higher browning features according to ProFAT or BATLAS scores and characteristic DEG patterns revealing associated pathways which were highly expressed (thermogenesis, interferon, cytokine, and retinoic acid, with UCP1 and BMP4 as prominent network stabilizers) or downregulated (particularly extracellular matrix remodeling) compared to SC ones. Part of DEGs in either DN or SC browning was PPARγ-dependent. Presence of the FTO obesity-risk allele suppressed the expression of mitochondrial and thermogenesis genes with a striking resemblance between affected pathways and those appearing in ProFAT and BATLAS, underlining the importance of metabolic and mitochondrial pathways in thermogenesis. Among overlapping regulatory influences that determine browning and thermogenic potential of neck adipocytes, FTO genetic background has a thus far not recognized prominence.
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Abstract
Generation of the autacoid all-trans-retinoic acid (ATRA) from retinol (vitamin A) relies on a complex metabolon that includes retinol binding-proteins and enzymes from the short-chain dehydrogenase/reductase and aldehyde dehydrogenase gene families. Serum retinol binding-protein delivers all-trans-retinol (vitamin A) from blood to cells through two membrane receptors, Stra6 and Rbpr2. Stra6 and Rbpr2 convey retinol to cellular retinol binding-protein type 1 (Crbp1). Holo-Crbp1 delivers retinol to lecithin: retinol acyl transferase (Lrat) for esterification and storage. Lrat channels retinol directly into its active site from holo-Crbp1 by protein-protein interaction. The ratio apo-Crbp1/holo-Crbp1 directs flux of retinol into and out of retinyl esters, through regulating esterification vs ester hydrolysis. Multiple retinol dehydrogenases (Rdh1, Rdh10, Dhrs9, Rdhe2, Rdhe2s) channel retinol from holo-Crbp1 to generate retinal for ATRA biosynthesis. β-Carotene oxidase type 1 generates retinal from carotenoids, delivered by the scavenger receptor-B1. Retinal reductases (Dhrs3, Dhrs4, Rdh11) reduce retinal into retinol, thereby restraining ATRA biosynthesis. Retinal dehydrogenases (Raldh1, 2, 3) dehydrogenate retinal irreversibly into ATRA. ATRA regulates its own concentrations by inducing Lrat and ATRA degradative enzymes. ATRA exhibits hormesis. Its effects relate to its concentration as an inverted J-shaped curve, transitioning from beneficial in the "goldilocks" zone to toxicity, as concentrations increase. Hormesis has distorted understanding physiological effects of ATRA post-nataly using chow-diet fed, ATRA-dosed animal models. Cancer, immune deficiency and metabolic abnormalities result from mutations and/or insufficiency in Crbp1 and retinoid metabolizing enzymes.
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Affiliation(s)
- Joseph L Napoli
- Graduate Program in Metabolic Biology, Nutritional Sciences and Toxicology, University of California, Berkeley, CA, United States.
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50
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Associations of Serum Carotenoids with DXA-Derived Body Fat and Fat Distribution in Chinese Adults: A Prospective Study. J Acad Nutr Diet 2020; 120:985-1001. [PMID: 32146125 DOI: 10.1016/j.jand.2019.12.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 12/11/2019] [Indexed: 11/24/2022]
Abstract
BACKGROUND Most previous studies have examined the associations between carotenoids and anthropometrics with cross-sectional designs. Few studies have investigated the associations between serum carotenoids and fat mass and fat distribution (general vs central type). OBJECTIVE This study aimed to explore the associations of serum carotenoids with body fat and fat distribution in Chinese adults. DESIGN Cross-sectional and longitudinal analyses of a prospective, community-based cohort were performed. PARTICIPANTS/SETTING There were 4,048 participants aged 40 to 75 years recruited in the Guangzhou Nutrition and Health Study from 2008 to 2013. MAIN OUTCOME MEASURES Serum carotenoids were assessed at baseline. Anthropometrics, fat mass (FM), and percentage FM (%FM) over the total body, trunk, limbs, and android and gynoid regions were obtained by dual-energy x-ray absorptiometry for 3,002 participants between 2011 and 2013 and for 2,537 participants after 3.1 years. STATISTICAL ANALYSIS Cross-sectional and longitudinal analyses were performed to compare the mean differences in adiposity indices among the quartiles of carotenoids. RESULTS Covariance analyses showed significant inverse associations between serum total carotenoid levels and adiposity indices cross-sectionally (all P trends<0.05). The percentage mean differences in quartile 4 (vs 1) in FM and %FM were much more pronounced in the trunk (-15.4% and -7.74%) and android area (-16.6% and -8.59%) than those in the limbs (-8.31% and -4.51%) and gynoid area (-7.76% and -2.71%) (all P<0.001). Longitudinal results revealed that higher total carotenoids were associated with significantly lower 3-year increases in body mass index (calculated as kg/m2); waist circumference; waist-to-hip ratio; body FM in the limbs and android and gynoid area; and %FM in total body, trunk, and limbs (all P trends<0.05). Regarding individual carotenoids, β-carotene tended to have the most notable beneficial associations with the majority of fat indices, especially for cross-sectional analyses. CONCLUSIONS Serum carotenoid concentrations are inversely associated with body fat, especially in the abdominal region, in Chinese adults.
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