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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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2
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Jeong M, Cortopassi F, See JX, De La Torre C, Cerwenka A, Stojanovic A. Vitamin A-treated natural killer cells reduce interferon-gamma production and support regulatory T-cell differentiation. Eur J Immunol 2024; 54:e2250342. [PMID: 38593338 DOI: 10.1002/eji.202250342] [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: 12/16/2022] [Revised: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 04/11/2024]
Abstract
Natural killer (NK) cells are innate cytotoxic lymphocytes that contribute to immune responses against stressed, transformed, or infected cells. NK cell effector functions are regulated by microenvironmental factors, including cytokines, metabolites, and nutrients. Vitamin A is an essential micronutrient that plays an indispensable role in embryogenesis and development, but was also reported to regulate immune responses. However, the role of vitamin A in regulating NK cell functions remains poorly understood. Here, we show that the most prevalent vitamin A metabolite, all-trans retinoic acid (atRA), induces transcriptional and functional changes in NK cells leading to altered metabolism and reduced IFN-γ production in response to a wide range of stimuli. atRA-exposed NK cells display a reduced ability to support dendritic cell (DC) maturation and to eliminate immature DCs. Moreover, they support the polarization and proliferation of regulatory T cells. These results imply that in vitamin A-enriched environments, NK cells can acquire functions that might promote tolerogenic immunity and/or immunosuppression.
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Affiliation(s)
- Mingeum Jeong
- Department of Immunobiochemistry, Mannheim Institute of Innate Immunosciences (MI3), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Francesco Cortopassi
- Department of Immunobiochemistry, Mannheim Institute of Innate Immunosciences (MI3), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Jia-Xiang See
- Department of Immunobiochemistry, Mannheim Institute of Innate Immunosciences (MI3), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Carolina De La Torre
- NGS Core Facility, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Adelheid Cerwenka
- Department of Immunobiochemistry, Mannheim Institute of Innate Immunosciences (MI3), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Ana Stojanovic
- Department of Immunobiochemistry, Mannheim Institute of Innate Immunosciences (MI3), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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3
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Breniere T, Bournot L, Sicard F, Astier J, Fanciullino AL, Riva C, Borel P, Bertin N, Landrier JF. Tomato genotype but not crop water deficit matters for tomato health benefits in diet-induced obesity of C57BL/6JRj male mice. Food Res Int 2024; 188:114512. [PMID: 38823883 DOI: 10.1016/j.foodres.2024.114512] [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: 12/20/2023] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 06/03/2024]
Abstract
Several studies have linked the intake of lycopene and/or tomato products with improved metabolic health under obesogenic regime. The aim was to evaluate the differential impact of supplementations with several tomato genotypes differing in carotenoid content and subjected to different irrigation levels on obesity-associated disorders in mice. In this study, 80 male C57BL/6JRj mice were assigned into 8 groups to receive: control diet, high fat diet, high fat diet supplemented at 5 % w/w with 4 tomato powders originating from different tomato genotypes cultivated under control irrigation: H1311, M82, IL6-2, IL12-4. Among the 4 genotypes, 2 were also cultivated under deficit irrigation, reducing the irrigation water supply by 50 % from anthesis to fruit harvest. In controlled irrigation treatment, all genotypes significantly improved fasting glycemia and three of them significantly lowered liver lipids content after 12 weeks of supplementation. In addition, IL6-2 genotype, rich in β-carotene, significantly limited animal adiposity, body weight gain and improved glucose homeostasis as highlighted in glucose and insulin tolerance tests. No consistent beneficial or detrimental impact of deficit irrigation to tomato promoting health benefits was found. These findings imply that the choice of tomato genotype can significantly alter the composition of fruit carotenoids and phytochemicals, thereby influencing the anti-obesogenic effects of the fruit. In contrast, deficit irrigation appears to have an overall insignificant impact on enhancing the health benefits of tomato powder in this context, particularly when compared to the genotype-related variations in carotenoid content.
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Affiliation(s)
- Thomas Breniere
- Plantes et Systèmes de cultures Horticoles (UR 1115, PSH), INRAE, F-84000 Avignon, France; Aix-Marseille Université, C2VN, INRAE, INSERM, 13000 Marseille, France; Avignon Université, UPR4278 LaPEC, Avignon, France
| | - Lorrine Bournot
- Aix-Marseille Université, C2VN, INRAE, INSERM, 13000 Marseille, France
| | | | - Julien Astier
- Aix-Marseille Université, C2VN, INRAE, INSERM, 13000 Marseille, France
| | | | | | - Patrick Borel
- Aix-Marseille Université, C2VN, INRAE, INSERM, 13000 Marseille, France
| | - Nadia Bertin
- Plantes et Systèmes de cultures Horticoles (UR 1115, PSH), INRAE, F-84000 Avignon, France
| | - Jean-François Landrier
- Aix-Marseille Université, C2VN, INRAE, INSERM, 13000 Marseille, France; PhenoMARS, CriBiom, Marseille, France.
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4
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Shastak Y, Pelletier W. Pet Wellness and Vitamin A: A Narrative Overview. Animals (Basel) 2024; 14:1000. [PMID: 38612239 PMCID: PMC11010875 DOI: 10.3390/ani14071000] [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: 02/21/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024] Open
Abstract
The health of companion animals, particularly dogs and cats, is significantly influenced by nutrition, with vitamins playing a crucial role. Vitamin A, in particular, is indispensable, with diverse roles ranging from vision to immune modulation and reproduction. Despite its importance, the metabolism and dietary requirements of vitamin A in companion animals remain complex and not fully understood. This review provides a comprehensive overview of the historical perspective, the digestion, the metabolism, the physiological roles, the deficiency, the excess, and the interactions with other micronutrients of vitamin A in companion animals. Additionally, it highlights future research directions and gaps in our understanding. Insights into the metabolism of vitamin A in companion animals, personalized nutrition strategies based on genetic variability, longitudinal studies tracking the status of vitamin A, and investigations into its immunomodulatory effects are crucial for optimizing pet health and wellness. Furthermore, understanding the stability and bioavailability of vitamin A in pet food formulations is essential for ensuring the provision of adequate micronutrients. Overall, this review underscores the importance of vitamin A in companion animal nutrition and the need for further research to enhance our understanding and to optimize dietary recommendations for pet health and well-being.
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Affiliation(s)
- Yauheni Shastak
- Nutrition & Health Division, BASF SE, 67063 Ludwigshafen am Rhein, Germany
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5
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Bohn T, de Lera AR, Landrier JF, Rühl R. Carotenoid metabolites, their tissue and blood concentrations in humans and further bioactivity via retinoid receptor-mediated signalling. Nutr Res Rev 2023; 36:498-511. [PMID: 36380523 DOI: 10.1017/s095442242200021x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Many epidemiological studies have emphasised the relation between carotenoid dietary intake and their circulating concentrations and beneficial health effects, such as lower risk of cardiometabolic diseases and cancer. However, there is dispute as to whether the attributed health benefits are due to native carotenoids or whether they are instead induced by their metabolites. Several categories of metabolites have been reported, most notably involving (a) modifications at the cyclohexenyl ring or the polyene chain, such as epoxides and geometric isomers, (b) excentric cleavage metabolites with alcohol-, aldehyde- or carboxylic acid-functional groups or (c) centric cleaved metabolites with additional hydroxyl, aldehyde or carboxyl functionalities, not counting their potential phase-II glucuronidated / sulphated derivatives. Of special interest are the apo-carotenoids, which originate in the intestine and other tissues from carotenoid cleavage by β-carotene oxygenases 1/2 in a symmetrical / non-symmetrical fashion. These are more water soluble and more electrophilic and, therefore, putative candidates for interactions with transcription factors such as NF-kB and Nrf2, as well as ligands for RAR-RXR nuclear receptor interactions. In this review, we discuss in vivo detected apo-carotenoids, their reported tissue concentrations, and potential associated health effects, focusing exclusively on the human situation and based on quantified / semi-quantified carotenoid metabolites proven to be present in humans.
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Affiliation(s)
- Torsten Bohn
- Nutrition and Health Research Group, Precision Health Department, Luxembourg Institute of Health, 1 A-B, rue Thomas Edison, L-1445, Strassen, Luxembourg
| | - Angel R de Lera
- Departmento de Química Orgánica, Facultade de Química, CINBIO and IBIV, Universidade de Vigo, 36310 Vigo, Spain
| | | | - Ralph Rühl
- CISCAREX UG, Berlin, Germany
- Paprika Bioanalytics BT, Debrecen, Hungary
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6
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Jakaria M, Belaidi AA, Bush AI, Ayton S. Vitamin A metabolites inhibit ferroptosis. Biomed Pharmacother 2023; 164:114930. [PMID: 37236031 DOI: 10.1016/j.biopha.2023.114930] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/18/2023] [Accepted: 05/22/2023] [Indexed: 05/28/2023] Open
Abstract
Vitamin A (retinol) is a lipid-soluble vitamin that acts as a precursor for several bioactive compounds, such as retinaldehyde (retinal) and isomers of retinoic acid. Retinol and all-trans-retinoic acid (atRA) penetrate the blood-brain barrier and are reported to be neuroprotective in several animal models. We characterised the impact of retinol and its metabolites, all-trans-retinal (atRAL) and atRA, on ferroptosis-a programmed cell death caused by iron-dependent phospholipid peroxidation. Ferroptosis was induced by erastin, buthionine sulfoximine or RSL3 in neuronal and non-neuronal cell lines. We found that retinol, atRAL and atRA inhibited ferroptosis with a potency superior to α-tocopherol, the canonical anti-ferroptotic vitamin. In contrast, we found that antagonism of endogenous retinol with anhydroretinol sensitises ferroptosis induced in neuronal and non-neuronal cell lines. Retinol and its metabolites atRAL and atRA directly interdict lipid radicals in ferroptosis since these compounds displayed radical trapping properties in a cell-free assay. Vitamin A, therefore, complements other anti-ferroptotic vitamins, E and K; metabolites of vitamin A, or agents that alter their levels, may be potential therapeutics for diseases where ferroptosis is implicated.
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Affiliation(s)
- Md Jakaria
- The Florey Institute, The University of Melbourne, Parkville, Victoria, Australia
| | - Abdel A Belaidi
- The Florey Institute, The University of Melbourne, Parkville, Victoria, Australia
| | - Ashley I Bush
- The Florey Institute, The University of Melbourne, Parkville, Victoria, Australia.
| | - Scott Ayton
- The Florey Institute, The University of Melbourne, Parkville, Victoria, Australia.
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Wang Y, Smith M, Ruiz J, Liu Y, Kucera GL, Topaloglu U, Chan MD, Li W, Su J, Xing F. Modulation of oxidative phosphorylation and mitochondrial biogenesis by cigarette smoke influence the response to immune therapy in NSCLC patients. Lung Cancer 2023; 178:37-46. [PMID: 36773459 PMCID: PMC10065953 DOI: 10.1016/j.lungcan.2023.01.016] [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: 10/03/2022] [Revised: 01/20/2023] [Accepted: 01/30/2023] [Indexed: 02/06/2023]
Abstract
The treatment regimen of non-small cell lung cancer (NSCLC) has drastically changed owing to the superior anti-cancer effects generated by the immune-checkpoint blockade (ICB). However, only a subset of patients experience benefit after receiving ICBs. Therefore, it is of paramount importance to increase the response rate by elucidating the underlying molecular mechanisms and identifying novel therapeutic targets to enhance the efficacy of IBCs in non-responders. We analyzed the progression-free survival (PFS) and overall survival (OS) of 295 NSCLC patients who received anti-PD-1 therapy by segregating them with multiple clinical factors including sex, age, race, smoking history, BMI, tumor grade and subtype. We also identified key signaling pathways and mutations that are enriched in patients with distinct responses to ICB by gene set enrichment analysis (GSEA) and mutational analyses. We found that former and current smokers have a higher response rate to anti-PD-1 treatment than non-smokers. GSEA results revealed that oxidative phosphorylation (OXPHOS) and mitochondrial related pathways are significantly enriched in both responders and smokers, suggesting a potential role of cellular metabolism in regulating immune response to ICB. We also demonstrated that all-trans retinoic acid (ATRA) which enhances mitochondrial function significantly enhanced the efficacy of anti-PD-1 treatment in vivo. Our clinical and bioinformatics based analyses revealed a connection between smoking induced metabolic switch and the response to immunotherapy, which can be the basis for developing novel combination therapies that are beneficial to never smoked NSCLC patients.
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Affiliation(s)
- Yuezhu Wang
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
| | - Margaret Smith
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
| | - Jimmy Ruiz
- Department of Hematology and Oncology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Yin Liu
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
| | - Gregory L Kucera
- Department of Hematology and Oncology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Umit Topaloglu
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
| | - Michael D Chan
- Department of Radiation Oncology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Wencheng Li
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Jing Su
- Department of Biostatistics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Fei Xing
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
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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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9
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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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10
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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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11
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Byrne FL, Bell JL. Neuroblastoma Differentiation: The Untapped Potential of Mitochondrial Uncouplers. Cancer Res 2023; 83:167-169. [PMID: 36651076 DOI: 10.1158/0008-5472.can-22-3350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 11/21/2022] [Indexed: 01/19/2023]
Abstract
While the goal of most anticancer treatments is to kill cancer cells, some therapies halt cancer progression by inducing cancer cell differentiation. For example, retinoic acid induces neuroblastoma cell differentiation in vitro and is used as maintenance therapy for children with high-risk neuroblastoma. A new study by Jiang and colleagues has revealed the mitochondrial uncoupler niclosamide ethanolamine (NEN) induces neuroblastoma cell differentiation in vitro and slows neuroblastoma tumor growth in vivo. Mitochondrial uncoupler molecules alter cell metabolism by forcing cells to "burn" more nutrients, resulting in a switch from anabolic to catabolic metabolism. NEN-induced neuroblastoma cell differentiation was associated with disruption of Warburg metabolism, epigenetic remodeling, and downregulation of key oncogenic drivers of neuroblastoma development, including MYCN. NEN is currently used as an antiparasitic worm treatment and is safe to use in children but has poor pharmacokinetic properties. However, derivatives of NEN and structurally distinct uncouplers that have improved pharmacokinetic properties are in development. Results of this study ignite the idea that mitochondrial uncouplers could be used as differentiating agents and expand the pharmacotherapy toolkit to treat cancer, including neuroblastoma. See related article by Jiang et al., p. 181.
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Affiliation(s)
- F L Byrne
- School of Biotechnology & Biomolecular Sciences, Faculty of Science, University of New South Wales (UNSW) Sydney, Kensington, Australia
| | - J L Bell
- Children's Cancer Institute Australia, Randwick, Australia.,School of Women's & Children's Health, UNSW Sydney, Kensington, Australia
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12
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Dhasmana S, Dhasmana A, Kotnala S, Mangtani V, Narula AS, Haque S, Jaggi M, Yallapu MM, Chauhan SC. Boosting Mitochondrial Potential: An Imperative Therapeutic Intervention in Amyotrophic Lateral Sclerosis. Curr Neuropharmacol 2023; 21:1117-1138. [PMID: 36111770 PMCID: PMC10286590 DOI: 10.2174/1570159x20666220915092703] [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: 05/23/2022] [Revised: 06/28/2022] [Accepted: 07/12/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Amyotrophic Lateral Sclerosis (ALS) is a progressive and terminal neurodegenerative disorder. Mitochondrial dysfunction, imbalance of cellular bioenergetics, electron chain transportation and calcium homeostasis are deeply associated with the progression of this disease. Impaired mitochondrial functions are crucial in rapid neurodegeneration. The mitochondria of ALS patients are associated with deregulated Ca2+ homeostasis and elevated levels of reactive oxygen species (ROS), leading to oxidative stress. Overload of mitochondrial calcium and ROS production leads to glutamatereceptor mediated neurotoxicity. This implies mitochondria are an attractive therapeutic target. OBJECTIVE The aim of this review is to brief the latest developments in the understanding of mitochondrial pathogenesis in ALS and emphasize the restorative capacity of therapeutic candidates. RESULTS In ALS, mitochondrial dysfunction is a well-known phenomenon. Various therapies targeted towards mitochondrial dysfunction aim at decreasing ROS generation, increasing mitochondrial biogenesis, and inhibiting apoptotic pathways. Some of the therapies briefed in this review may be categorized as synthetic, natural compounds, genetic materials, and cellular therapies. CONCLUSION The overarching goals of mitochondrial therapies in ALS are to benefit ALS patients by slowing down the disease progression and prolonging overall survival. Despite various therapeutic approaches, there are many hurdles in the development of a successful therapy due to the multifaceted nature of mitochondrial dysfunction and ALS progression. Intensive research is required to precisely elucidate the molecular pathways involved in the progression of mitochondrial dysfunctions that ultimately lead to ALS. Because of the multifactorial nature of ALS, a combination therapy approach may hold the key to cure and treat ALS in the future.
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Affiliation(s)
- Swati Dhasmana
- Department of Immunology & Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, Texas, TX, USA
- South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
| | - Anupam Dhasmana
- Department of Immunology & Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, Texas, TX, USA
- South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
- Himalayan School of Biosciences, Swami Rama Himalayan University, Dehradun, India
| | - Sudhir Kotnala
- Department of Immunology & Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, Texas, TX, USA
- South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
| | - Varsha Mangtani
- Department of Immunology & Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, Texas, TX, USA
| | - Acharan S. Narula
- Narula Research LLC, 107 Boulder Bluff, Chapel Hill, North Carolina, NC 27516, USA
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, 45142, Saudi Arabia
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Meena Jaggi
- Department of Immunology & Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, Texas, TX, USA
- South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
| | - Murali M. Yallapu
- Department of Immunology & Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, Texas, TX, USA
- South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
| | - Subhash C. Chauhan
- Department of Immunology & Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, Texas, TX, USA
- South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
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13
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Wei CW, Lerdall T, Najjar F, Wei LN. Depleting Cellular Retinoic Acid Binding Protein 1 Impairs UPR mt. JOURNAL OF CELLULAR SIGNALING 2023; 4:151-162. [PMID: 38706516 PMCID: PMC11068023 DOI: 10.33696/signaling.4.102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
Mitochondrial dysfunction underlines neurodegenerative diseases which are mostly characterized by progressive degeneration of neurons. We previously reported that Cellular retinoic acid Binding protein 1 (Crabp1) knockout (CKO) mice spontaneously developed age-dependent motor degeneration, with defects accumulated in spinal motor neurons (MNs), the only cell type in spinal cord that expresses CRABP1. Here we uncovered that mitochondrial DNA (mtDNA) content and the expression of genes involved in respiration were significantly reduced in CKO mouse spinal cord, accompanied by significantly elevated reactive oxygen species (ROS) and unfolded protein load, indicating that CRABP1 deficiency caused mitochondrial dysfunction. Further analyses of spinal cord tissues revealed significant reduction in the expression and activity of superoxide dismutase 2 (SOD2), as well as defected mitochondrial unfolded protein response (UPRmt) pathway, specifically an increase in ATF5 mRNA but not its protein level, which suggested failure in the translational response of ATF5 in CKO. Consistently, eukaryotic initiation factor-2α, (eIF2α) phosphorylation was reduced in CKO spinal cord. In a CRABP1 knockdown MN1 model, siCrabp1-MN1, we validated the cell-autonomous function of CRABP1 in modulating the execution of UPRmt. This study reveals a new functional role for CRABP1 in the execution of mitochondrial stress response, that CRABP1 modulates eIF2α phosphorylation thereby contributing to ATF5 translational response that is needed to mitigate mitochondria stress.
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Affiliation(s)
- Chin-Wen Wei
- Department of Pharmacology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Thomas Lerdall
- Department of Pharmacology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Fatimah Najjar
- Department of Pharmacology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Li-Na Wei
- Department of Pharmacology, University of Minnesota, Minneapolis, MN 55455, USA
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14
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Pereira-Martins DA, Coelho-Silva JL, Weinhäuser I, Franca-Neto PL, Silveira DR, Ortiz C, Moreira-Aguiar A, Lima MM, Koury LC, de Melo RA, Glória AB, Fagundes EM, Lino BK, Pagnano K, Bittencourt R, Nunes E, Traina F, Figueiredo-Pontes L, Keating A, Tallman MS, Ribeiro RC, Dilon R, Ganser A, Sanz MA, Berliner N, Valk P, Löwenberg B, Ottone T, Noguera NI, Voso MT, Paoloni F, Fazi P, Ammatuna E, Huls G, Schuringa JJ, Rego EM, Lucena-Araujo AR. Clinical significance of mitochondrial DNA content in acute promyelocytic leukaemia. Br J Haematol 2023; 200:170-174. [PMID: 36263593 DOI: 10.1111/bjh.18510] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/08/2022] [Accepted: 09/29/2022] [Indexed: 01/14/2023]
Abstract
Although a growing body of evidence demonstrates that altered mtDNA content (mtDNAc) has clinical implications in several types of solid tumours, its prognostic relevance in acute promyelocytic leukaemia (APL) patients remains largely unknown. Here, we show that patients with higher-than-normal mtDNAc had better outcomes regardless of tumour burden. These results were more evident in patients with low-risk of relapse. The multivariate Cox proportional hazard model demonstrated that high mtDNAc was independently associated with a decreased cumulative incidence of relapse. Altogether, our data highlights the possible role of mitochondrial metabolism in APL patients treated with ATRA.
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Affiliation(s)
- Diego A Pereira-Martins
- Department of Genetics, Federal University of Pernambuco, Recife, Brazil.,Department of Hematology, Cancer Research Centre Groningen, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands.,Department of Medical Imaging, Haematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell Based Therapy, São Paulo Research Foundation, Ribeirão Preto, SP, Brazil
| | - Juan L Coelho-Silva
- Department of Genetics, Federal University of Pernambuco, Recife, Brazil.,Department of Medical Imaging, Haematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell Based Therapy, São Paulo Research Foundation, Ribeirão Preto, SP, Brazil
| | - Isabel Weinhäuser
- Department of Hematology, Cancer Research Centre Groningen, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands.,Department of Medical Imaging, Haematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell Based Therapy, São Paulo Research Foundation, Ribeirão Preto, SP, Brazil
| | | | - Douglas R Silveira
- Myeloid Leukaemia Genomics and Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - César Ortiz
- Department of Medical Imaging, Haematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell Based Therapy, São Paulo Research Foundation, Ribeirão Preto, SP, Brazil
| | | | - Marinus M Lima
- Department of Genetics, Federal University of Pernambuco, Recife, Brazil
| | - Luisa C Koury
- Department of Medical Imaging, Haematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell Based Therapy, São Paulo Research Foundation, Ribeirão Preto, SP, Brazil
| | - Raul A de Melo
- Department of Internal Medicine, University of Pernambuco, Recife, Brazil
| | - Ana B Glória
- Hematology Division, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Evandro M Fagundes
- Hematology Division, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Bruno K Lino
- Hematology and Hemotherapy Center, University of Campinas, Campinas, Brazil
| | - Katia Pagnano
- Hematology and Hemotherapy Center, University of Campinas, Campinas, Brazil
| | | | - Elenaide Nunes
- Hematology Division, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Fabiola Traina
- Department of Medical Imaging, Haematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell Based Therapy, São Paulo Research Foundation, Ribeirão Preto, SP, Brazil
| | - Lorena Figueiredo-Pontes
- Department of Medical Imaging, Haematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell Based Therapy, São Paulo Research Foundation, Ribeirão Preto, SP, Brazil
| | - Armand Keating
- Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Martin S Tallman
- Leukemia Service, Memorial Sloan-Kettering Cancer Center/Weill Cornell Medical College, New York City, New York, USA
| | - Raul C Ribeiro
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Richard Dilon
- Department of Medical and Molecular Genetics, King's College London School of Medicine, London, UK
| | - Arnold Ganser
- Department of Hematology, Hemostasis, Oncology, and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany
| | - Miguel A Sanz
- Department of Hematology, Valencia University Medical School, Valencia, Spain.,CIBERONC, Instituto Carlos III, Madrid, Spain
| | - Nancy Berliner
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Peter Valk
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Bob Löwenberg
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Tiziana Ottone
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy.,Santa Lucia Foundation, I.R.C.C.S., Neuro-Oncohematology, Rome, Italy
| | - Nelida I Noguera
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy.,Santa Lucia Foundation, I.R.C.C.S., Neuro-Oncohematology, Rome, Italy
| | - Maria T Voso
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy.,Santa Lucia Foundation, I.R.C.C.S., Neuro-Oncohematology, Rome, Italy
| | - Francesca Paoloni
- Santa Lucia Foundation, I.R.C.C.S., Neuro-Oncohematology, Rome, Italy
| | - Paola Fazi
- Gruppo Italiano Malattie Ematologiche Maligne dell'Adulto (GIMEMA), GIMEMA Foundation, Rome, Italy
| | - Emanuele Ammatuna
- Department of Hematology, Cancer Research Centre Groningen, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Gerwin Huls
- Department of Hematology, Cancer Research Centre Groningen, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Jan Jacob Schuringa
- Department of Hematology, Cancer Research Centre Groningen, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Eduardo M Rego
- Department of Medical Imaging, Haematology, and Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell Based Therapy, São Paulo Research Foundation, Ribeirão Preto, SP, Brazil.,Hematology Division, LIM31, Faculdade de Medicina, University of São Paulo, São Paulo, Brazil
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15
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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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16
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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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17
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Deng Q, Chen J. Potential Therapeutic Effect of All-Trans Retinoic Acid on Atherosclerosis. Biomolecules 2022; 12:biom12070869. [PMID: 35883425 PMCID: PMC9312697 DOI: 10.3390/biom12070869] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/08/2022] [Accepted: 06/22/2022] [Indexed: 11/16/2022] Open
Abstract
Atherosclerosis is a major risk factor for myocardial infarction and ischemic stroke, which are the leading cause of death worldwide. All-trans retinoic acid (ATRA) is a natural derivative of essential vitamin A. Numerous studies have shown that ATRA plays an important role in cell proliferation, cell apoptosis, cell differentiation, and embryonic development. All-trans retinoic acid (ATRA) is a ligand of retinoic acid receptors that regulates various biological processes by activating retinoic acid signals. In this paper, the metabolic processes of ATRA were reviewed, with emphasis on the effects of ATRA on inflammatory cells involved in the process of atherosclerosis.
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18
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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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19
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Kurekova S, Tomaskova ZS, Andelova N, Macejova D, Cervienkova M, Brtko J, Ferko M, Grman M, Mackova K. The effect of all-trans retinoic acid on the mitochondrial function and survival of cardiomyoblasts exposed to local photodamage. Cell Biol Int 2022; 46:947-964. [PMID: 35191136 DOI: 10.1002/cbin.11784] [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: 04/12/2021] [Revised: 12/30/2021] [Accepted: 02/12/2022] [Indexed: 11/06/2022]
Abstract
This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Simona Kurekova
- Institute of Molecular Physiology and Genetics, Centre of Biosciences, Slovak Academy of Sciences, 840 05, Bratislava, Slovakia
| | - Zuzana Sevcikova Tomaskova
- Institute of Molecular Physiology and Genetics, Centre of Biosciences, Slovak Academy of Sciences, 840 05, Bratislava, Slovakia
| | - Natalia Andelova
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, 84104, Bratislava, Slovakia
| | - Dana Macejova
- Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, 84505, Bratislava, Slovakia
| | - Michaela Cervienkova
- Institute of Biochemistry and Microbiology, Faculty of Chemical and Food Technology, Slovak University of Technology, 81237, Bratislava, Slovakia
| | - Julius Brtko
- Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, 84505, Bratislava, Slovakia
| | - Miroslav Ferko
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, 84104, Bratislava, Slovakia
| | - Marian Grman
- Institute of Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, 84505, Bratislava, Slovakia
| | - Katarina Mackova
- Institute of Molecular Physiology and Genetics, Centre of Biosciences, Slovak Academy of Sciences, 840 05, Bratislava, Slovakia
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20
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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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21
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Marziou A, Aubert B, Couturier C, Astier J, Philouze C, Obert P, Landrier JF, Riva C. Combined Beneficial Effect of Voluntary Physical Exercise and Vitamin D Supplementation in Diet-induced Obese C57BL/6J Mice. Med Sci Sports Exerc 2021; 53:1883-1894. [PMID: 33787528 DOI: 10.1249/mss.0000000000002664] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PURPOSE Physical exercise (PE) combined with nutritional approaches has beneficial effects that are widely advocated to improve metabolic health. Here we used voluntary PE together with vitamin D (VD) supplementation, which has already shown beneficial effects in primary and tertiary prevention in obese mice models, to study their combined additive effects on body weight management, glucose homeostasis, metabolic inflammation, and liver steatosis as key markers of metabolic health. METHODS Ten-week-old male C57BL/6J mice were fed a high-fat/sucrose (HFS) diet for 10 wk, then assigned to a 15-wk intervention period with PE, VD supplementation, or both PE and VD supplementation. Morphological, histological, and molecular phenotype data were characterized. RESULTS The HFS-induced increases in body mass, adiposity, and adipocyte hypertrophy were improved by PE but not by VD supplementation. The HFS-induced inflammation (highlighted by chemokines mRNA levels) in inguinal adipose tissue was decreased by PE and/or VD supplementation. Furthermore, the intervention combining PE and VD showed additive effects on restoring insulin sensitivity and improving hepatic steatosis, as demonstrated through a normalization of size and number of hepatic lipid droplets and triglyceride content and a significant molecular-level decrease in the expression of genes coding for key enzymes in hepatic de novo lipogenesis. CONCLUSIONS Taken together, our data show beneficial effects of combining PE and VD supplementation on obesity-associated comorbidities such as insulin resistance and hepatic disease in mice. This combined exercise-nutritional support strategy could prove valuable in obesity management programs.
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Affiliation(s)
| | | | | | - Julien Astier
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, FRANCE
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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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All-Trans Retinoic Acid Increases DRP1 Levels and Promotes Mitochondrial Fission. Cells 2021; 10:cells10051202. [PMID: 34068960 PMCID: PMC8156392 DOI: 10.3390/cells10051202] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 02/07/2023] Open
Abstract
In the heart, mitochondrial homeostasis is critical for sustaining normal function and optimal responses to metabolic and environmental stressors. Mitochondrial fusion and fission are thought to be necessary for maintaining a robust population of mitochondria, and disruptions in mitochondrial fission and/or fusion can lead to cellular dysfunction. The dynamin-related protein (DRP1) is an important mediator of mitochondrial fission. In this study, we investigated the direct effects of the micronutrient retinoid all-trans retinoic acid (ATRA) on the mitochondrial structure in vivo and in vitro using Western blot, confocal, and transmission electron microscopy, as well as mitochondrial network quantification using stochastic modeling. Our results showed that ATRA increases DRP1 protein levels, increases the localization of DRP1 to mitochondria in isolated mitochondrial preparations. Our results also suggested that ATRA remodels the mitochondrial ultrastructure where the mitochondrial area and perimeter were decreased and the circularity was increased. Microscopically, mitochondrial network remodeling is driven by an increased rate of fission over fusion events in ATRA, as suggested by our numerical modeling. In conclusion, ATRA results in a pharmacologically mediated increase in the DRP1 protein. It also results in the modulation of cardiac mitochondria by promoting fission events, altering the mitochondrial network, and modifying the ultrastructure of mitochondria in the heart.
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Botanic Origin of Propolis Extract Powder Drives Contrasted Impact on Diabesity in High-Fat-Fed Mice. Antioxidants (Basel) 2021; 10:antiox10030411. [PMID: 33803136 PMCID: PMC8000394 DOI: 10.3390/antiox10030411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/02/2021] [Accepted: 03/05/2021] [Indexed: 12/04/2022] Open
Abstract
Propolis extracts are considered as nutraceutical products with potentialities towards obesity and comorbidities management. Nevertheless, propolis extracts composition is highly variable and depends on the botanic origin of plants used by the bees to produce propolis. This study aims to evaluate the differential effect of poplar propolis extract powder (PPEP), Baccharis propolis extract powder (BPEP), and/ or Dalbergia propolis extract powder (DPEP) on obesity and glucose homeostasis in high-fat-fed mice. PPEP supplementation reduced high-fat (HF)-mediated body weight gain, adiposity index, and improved glucose homeostasis in male C57Bl/6J mice that were submitted to a high-fat diet for 12 weeks, whereas BPEP, DPEP, or a mix of the three PEPs did not modify those parameters. Adipose tissue (AT) gene expression profiling highlighted an induction of mRNA related to lipid catabolism and an inhibition of mRNA coding for inflammatory markers. Several Nrf2 target genes, coding for antioxidant enzymes, were induced in AT under PPEP effect, but not by other PEP. Interestingly, representative PPEP polyphenols mediated the induction of Nrf2 target genes cell-autonomously in adipocytes, suggesting that this induction may be related to the specific polyphenol content of PPEP. Whereas PPEP supplementation has demonstrated a clear potential to blunt the onset of obesity and associated comorbidities, other PEPs (from Baccharis and Dalbergia) were inefficient to support their role in preventive nutrition.
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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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snRNA-seq reveals a subpopulation of adipocytes that regulates thermogenesis. Nature 2020; 587:98-102. [PMID: 33116305 DOI: 10.1038/s41586-020-2856-x] [Citation(s) in RCA: 200] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 07/31/2020] [Indexed: 12/14/2022]
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Seipelt EM, Tourniaire F, Couturier C, Astier J, Loriod B, Vachon H, Pucéat M, Mounien L, Landrier JF. Prenatal maternal vitamin D deficiency sex-dependently programs adipose tissue metabolism and energy homeostasis in offspring. FASEB J 2020; 34:14905-14919. [PMID: 32924159 DOI: 10.1096/fj.201902924rr] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 02/06/2023]
Abstract
In utero environment is crucial to ensure normal development of the fetus and to program metabolic health throughout the life. Beside macronutrients, the role of micronutrients, including vitamin D, begins to be explore. The aim of this study was to decipher the impact of maternal vitamin D deficiency (VDD), in normal and high-fat (HF) diet context, on adipose tissue metabolism and energy homeostasis in offspring, considering sex-specific responses. Body weight, energy expenditure, and spontaneous activity was differential impacted in juvenile male and female offspring born from VDD mice. In adulthood, a HF diet combined with maternal VDD disrupted glucose homeostasis and adiposity in male offspring but not in females. Such phenotypes were associated to different transcriptomic profiles in adipose tissue, which could be related to differential modulation of plasma 17β-estradiol concentrations. Thus, maternal VDD sex-dependently modulated metabolic fate of the offspring, especially when associated with HF diet in adulthood.
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Affiliation(s)
- Eva M Seipelt
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France.,Aix-Marseille Université, MMG, INSERM U1251, Marseille, France
| | - Franck Tourniaire
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France.,CriBioM, Criblage Biologique Marseille, Faculté de médecine de la Timone, Marseille, France
| | | | - Julien Astier
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France
| | - Béatrice Loriod
- Aix-Marseille Université, TGML, TAGC, INSERM, Marseille, France
| | - Hortense Vachon
- Aix-Marseille Université, TGML, TAGC, INSERM, Marseille, France
| | - Michel Pucéat
- Aix-Marseille Université, MMG, INSERM U1251, Marseille, France
| | - Lourdes Mounien
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France
| | - Jean-François Landrier
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France.,CriBioM, Criblage Biologique Marseille, Faculté de médecine de la Timone, Marseille, France
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Oxidative Stress in Reproduction: A Mitochondrial Perspective. BIOLOGY 2020; 9:biology9090269. [PMID: 32899860 PMCID: PMC7564700 DOI: 10.3390/biology9090269] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 08/31/2020] [Accepted: 09/02/2020] [Indexed: 12/16/2022]
Abstract
Mitochondria are fundamental organelles in eukaryotic cells that provide ATP through oxidative phosphorylation. During this process, reactive oxygen species (ROS) are produced, and an imbalance in their concentrations can induce oxidative stress (OS), causing cellular damage. However, mitochondria and ROS play also an important role in cellular homeostasis through a variety of other signaling pathways not related to metabolic rates, highlighting the physiological relevance of mitochondria–ROS interactions. In reproduction, mitochondria follow a peculiar pattern of activation, especially in gametes, where they are relatively inactive during the initial phases of development, and become more active towards the final maturation stages. The reasons for the lower metabolic rates are attributed to the evolutionary advantage of keeping ROS levels low, thus avoiding cellular damage and apoptosis. In this review, we provide an overview on the interplay between mitochondrial metabolism and ROS during gametogenesis and embryogenesis, and how OS can influence these physiological processes. We also present the possible effects of assisted reproduction procedures on the levels of OS, and the latest techniques developed to select gametes and embryos based on their redox state. Finally, we evaluate the treatments developed to manage OS in assisted reproduction to improve the chances of pregnancy.
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Cardinault N, Tourniaire F, Astier J, Couturier C, Perrin E, Dalifard J, Seipelt E, Mounien L, Letullier C, Bonnet L, Karkeni E, Delbah N, Georgé S, Landrier JF. Poplar Propolis Ethanolic Extract Reduces Body Weight Gain and Glucose Metabolism Disruption in High-Fat Diet-Fed Mice. Mol Nutr Food Res 2020; 64:e2000275. [PMID: 32729164 DOI: 10.1002/mnfr.202000275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 07/07/2020] [Indexed: 01/03/2023]
Abstract
SCOPE Current evidence supports the beneficial effect of polyphenols on the management of obesity and associated comorbidities. This is the case for propolis, a polyphenol-rich substance produced by bees. The aim of the present study is to evaluate the effect of a poplar propolis ethanolic extract (PPEE) on obesity and glucose homeostasis, and to unveil its putative molecular mechanisms of action. METHODS AND RESULTS Male high-fat (HF) diet-fed mice are administered PPEE for 12 weeks. PPEE supplementation reduces the HF-mediated adiposity index, adipocyte hypertrophy, and body weight gain. It also improves HOMA-IR and fasting glucose levels. Gene expression profiling of adipose tissue (AT) shows an induction of mRNA related to lipid catabolism and mitochondrial biogenesis and inhibition of mRNA coding for inflammatory markers. Interestingly, several Nrf2-target genes are induced in AT following administration of PPEE. The ability of PPEE to induce the expression of Nrf2-target genes is studied in adipocytes. PPEE is found to transactivate the Nrf2 response element and the Nrf2 DNA-binding, suggesting that part of the effect of PPEE can be mediated by Nrf2. CONCLUSION PPEE supplementation may represent an interesting preventive strategy to tackle the onset of obesity and associated metabolic disorders.
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Affiliation(s)
| | - Franck Tourniaire
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France.,CriBioM, Criblage Biologique Marseille, Faculté de Médecine de la Timone, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Julien Astier
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Charlène Couturier
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Estelle Perrin
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Julie Dalifard
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Eva Seipelt
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Lourdes Mounien
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Claire Letullier
- Pollenergie, La Grabère, Saint Hilaire de Lusignan, 47450, France
| | - Lauriane Bonnet
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Esma Karkeni
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
| | - Naïma Delbah
- CTCPA, 449 Avenue Clément Ader, Avignon, 84911, France
| | | | - Jean-François Landrier
- Aix-Marseille Université, C2VN, INRAE, INSERM, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France.,CriBioM, Criblage Biologique Marseille, Faculté de Médecine de la Timone, 27 Bd Jean Moulin, Marseille, cedex 5 13385, France
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Miao S, Zhao D, Wang X, Ni X, Fang X, Yu M, Ye L, Yang J, Wu H, Han X, Qu L, Li L, Lan F, Shen Z, Lei W, Zhao ZA, Hu S. Retinoic acid promotes metabolic maturation of human Embryonic Stem Cell-derived Cardiomyocytes. Theranostics 2020; 10:9686-9701. [PMID: 32863954 PMCID: PMC7449904 DOI: 10.7150/thno.44146] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 07/20/2020] [Indexed: 12/15/2022] Open
Abstract
Cardiomyocytes differentiated from human embryonic stem cells (hESCs) represent a promising cell source for heart repair, disease modeling and drug testing. However, improving the differentiation efficiency and maturation of hESC-derived cardiomyocytes (hESC-CMs) is still a major concern. Retinoic acid (RA) signaling plays multiple roles in heart development. However, the effects of RA on cardiomyocyte differentiation efficiency and maturation are still unknown. Methods: RA was added at different time intervals to identify the best treatment windows for cardiomyocyte differentiation and maturation. The efficiency of cardiomyocyte differentiation was detected by quantitative real-time PCR and flow cytometry. Cardiomyocytes maturation was detected by immunofluorescence staining, metabolic assays and patch clamp to verify structural, metabolic and electrophysiological maturation, respectively. RNA sequencing was used for splicing analysis. Results: We found that RA treatment at the lateral mesoderm stage (days 2-4) significantly improved cardiomyocyte differentiation, as evidenced by the upregulation of TNNT2, NKX2.5 and MYH6 on day 10 of differentiation. In addition, flow cytometry showed that the proportion of differentiated cardiomyocytes in the RA-treated group was significantly higher than that in control group. RA treatment on days 15-20 increased cardiomyocyte area, sarcomere length, multinucleation and mitochondrial copy number. RNA sequencing revealed RA promoted RNA isoform switch to the maturation-related form. Meanwhile, RA promoted electrophysiological maturation and calcium handling of hESC-CMs. Importantly, RA-treated cardiomyocytes showed decreased glycolysis and enhanced mitochondrial oxidative phosphorylation, with the increased utilization of fatty acid and exogenous pyruvate but not glutamine. Conclusion: Our data indicated that RA treatment at an early time window (days 2-4) promotes the efficiency of cardiomyocyte differentiation and that RA treatment post beating (days 15-20) promotes cardiomyocyte maturation. The biphasic effects of RA provide new insights for improving cardiomyocyte differentiation and quality.
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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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Bonet ML, Ribot J, Galmés S, Serra F, Palou A. Carotenoids and carotenoid conversion products in adipose tissue biology and obesity: Pre-clinical and human studies. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158676. [PMID: 32120014 DOI: 10.1016/j.bbalip.2020.158676] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 02/07/2023]
Abstract
Antiobesity activities of carotenoids and carotenoid conversion products (CCPs) have been demonstrated in pre-clinical studies, and mechanisms behind have begun to be unveiled, thus suggesting these compounds may help obesity prevention and management. The antiobesity action of carotenoids and CCPs can be traced to effects in multiple tissues, notably the adipose tissues. Key aspects of the biology of adipose tissues appear to be affected by carotenoid and CCPs, including adipogenesis, metabolic capacities for energy storage, release and inefficient oxidation, secretory function, and modulation of oxidative stress and inflammatory pathways. Here, we review the connections of carotenoids and CCPs with adipose tissue biology and obesity as revealed by cell and animal intervention studies, studies addressing the role of endogenous retinoid metabolism, and human epidemiological and intervention studies. We also consider human genetic variability influencing carotenoid and vitamin A metabolism, particularly in adipose tissues, as a potentially relevant aspect towards personalization of dietary recommendations to prevent or manage obesity and optimize metabolic health. This article is part of a Special Issue entitled Carotenoids recent advances in cell and molecular biology edited by Johannes von Lintig and Loredana Quadro.
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Affiliation(s)
- M Luisa Bonet
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, Palma de Mallorca, Spain; Institut d'Investigació Sanitària Illes Balears (IdISBa), Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Spain.
| | - Joan Ribot
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, Palma de Mallorca, Spain; Institut d'Investigació Sanitària Illes Balears (IdISBa), Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Spain
| | | | - Francisca Serra
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, Palma de Mallorca, Spain; Institut d'Investigació Sanitària Illes Balears (IdISBa), Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Spain
| | - Andreu Palou
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, Palma de Mallorca, Spain; Institut d'Investigació Sanitària Illes Balears (IdISBa), Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Spain
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DNA Methylation Changes are Associated with the Programming of White Adipose Tissue Browning Features by Resveratrol and Nicotinamide Riboside Neonatal Supplementations in Mice. Nutrients 2020; 12:nu12020461. [PMID: 32059412 PMCID: PMC7071331 DOI: 10.3390/nu12020461] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/06/2020] [Accepted: 02/08/2020] [Indexed: 12/22/2022] Open
Abstract
Neonatal supplementation with resveratrol (RSV) or nicotinamide riboside (NR) programs in male mice brown adipocyte-like features in white adipose tissue (WAT browning) together with improved metabolism in adulthood. We tested the involvement in this programming of long-term epigenetic changes in two browning-related genes that are overexpressed in WAT of supplemented mice, Slc27a1 and Prdm16. Suckling mice received orally the vehicle, RSV or NR from postnatal days 2-to-20. After weaning (d21) onto a chow diet, male mice were habituated to a normal-fat diet (NFD) starting d75, and split on d90 into continuation on the NFD or switching to a high-fat diet (HFD) until euthanization on d164. CpG methylation by bisulfite-sequencing was analyzed on inguinal WAT. Both treatments modified methylation marks in Slc27a1 and Prdm16 and the HFD-dependent dynamics of these marks in the adult WAT, with distinct and common effects. The treatments also affected gene expression of de novo DNA methylases in WAT of young animals (euthanized at d35 in independent experiments). Studies in 3T3-L1 adipocytes indicated the direct effects of RSV and NR on the DNA methylation machinery and favoring browning features. The results support epigenetic effects being involved in WAT programming by neonatal RSV or NR supplementation in male mice.
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Vitamin D Supplementation Improves Adipose Tissue Inflammation and Reduces Hepatic Steatosis in Obese C57BL/6J Mice. Nutrients 2020; 12:nu12020342. [PMID: 32012987 PMCID: PMC7071313 DOI: 10.3390/nu12020342] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 02/07/2023] Open
Abstract
The beneficial effect of vitamin D (VD) supplementation on body weight gain limitation and inflammation has been highlighted in primary prevention mice models, but the long-term effect of VD supplementation in tertiary prevention has never been reported in obesity models. The curative effect of VD supplementation on obesity and associated disorders was evaluated in high-fat- and high-sucrose (HFS)-fed mice. Morphological, histological, and molecular phenotype were characterized. The increased body mass and adiposity caused by HFS diet as well as fat cell hypertrophy and glucose homeostasis were not improved by VD supplementation. However, VD supplementation led to a decrease of HFS-induced inflammation in inguinal adipose tissue, characterized by a decreased expression of chemokine mRNA levels. Moreover, a protective effect of VD on HFS-induced hepatic steatosis was highlighted by a decrease of lipid droplets and a reduction of triglyceride accumulation in the liver. This result was associated with a significant decrease of gene expression coding for key enzymes involved in hepatic de novo lipogenesis and fatty acid oxidation. Altogether, our results show that VD supplementation could be of interest to blunt the adipose tissue inflammation and hepatic steatosis and could represent an interesting nutritional strategy to fight obesity-associated comorbidities.
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González-García I, Milbank E, Martinez-Ordoñez A, Diéguez C, López M, Contreras C. HYPOTHesizing about central comBAT against obesity. J Physiol Biochem 2019; 76:193-211. [PMID: 31845114 DOI: 10.1007/s13105-019-00719-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 12/02/2019] [Indexed: 12/12/2022]
Abstract
The hypothalamus is a brain region in charge of many vital functions. Among them, BAT thermogenesis represents an essential physiological function to maintain body temperature. In the metabolic context, it has now been established that energy expenditure attributed to BAT function can contribute to the energy balance in a substantial extent. Thus, therapeutic interest in this regard has increased in the last years and some studies have shown that BAT function in humans can make a real contribution to improve diabetes and obesity-associated diseases. Nevertheless, how the hypothalamus controls BAT activity is still not fully understood. Despite the fact that much has been known about the mechanisms that regulate BAT activity in recent years, and that the central regulation of thermogenesis offers a very promising target, many questions remain still unsolved. Among them, the possible human application of knowledge obtained from rodent studies, and drug administration strategies able to specifically target the hypothalamus. Here, we review the current knowledge of homeostatic regulation of BAT, including the molecular insights of brown adipocytes, its central control, and its implication in the development of obesity.
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Affiliation(s)
- Ismael González-García
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany.
| | - Edward Milbank
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria, 15782, Santiago de Compostela, Spain.,CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Santiago de Compostela, Spain
| | - Anxo Martinez-Ordoñez
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria, 15782, Santiago de Compostela, Spain
| | - Carlos Diéguez
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria, 15782, Santiago de Compostela, Spain.,CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Santiago de Compostela, Spain
| | - Miguel López
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria, 15782, Santiago de Compostela, Spain.,CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Santiago de Compostela, Spain
| | - Cristina Contreras
- Department of Physiology, Pharmacy School, Complutense University of Madrid, 28040, Madrid, Spain.
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Abedi-Taleb E, Vahabi Z, Sekhavati-Moghadam E, Khedmat L, Jazayeri S, Saboor-Yaraghi AA. Upregulation of FNDC5 gene expression in C2C12 cells after single and combined treatments of resveratrol and ATRA. Lipids Health Dis 2019; 18:181. [PMID: 31640715 PMCID: PMC6806552 DOI: 10.1186/s12944-019-1128-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 10/03/2019] [Indexed: 01/18/2023] Open
Abstract
Background Irisin is a newly discovered myokine that secreted from skeletal muscle cells. Several studies showed that irisin involves in thermogenesis and increases the expression of browning markers such as uncoupling protein-1 that in turns induces the conversion of white adipose tissue to brown fat. Resveratrol (Res) and all-trans retinoic acid (ATRA) can also upregulate the expression of thermogenesis genes. In the present study, the effects of single and combined treatments of Res and ATRA on fibronectin type III domain containing 5 (FNDC5) gene expression was explored. Methods The mouse myoblasts, C2C12 cells, were seeded in 6-well plastic plates and cultured in DMEM media. After differentiation, in a pilot study, C2C12 myotubes were treated with different concentrations of Res and ATRA for 12 h. The best result was obtained by treatment of 1and 25 μM of Res and 1 μM of ATRA. Then the main study was continued by single and combined treatment of these compounds at chosen concentration. After treatments, total RNA was extracted from C2C12 cells. Complementary DNA (cDNA) was generated by the cDNA synthesis kit and FNDC5 mRNA expression was evaluated by the real-time PCR method. Results The FNDC5 gene expression in C2C12 myotubes of alone-treated with 1 μM, 25 μM Res and 10 μM ATRA did not change compared to vehicle group. However, in combination-treated the expression of FNDC5 gene was significantly increased compared to vehicle group. Conclusion This is the first evidence that Res and ATRA can regulate FNDC5 gene expression in C2C12 myotubes. More investigations are necessary to explore the therapeutic effects of these nutrients in obesity, diabetes, cardiac and neurovascular disease.
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Affiliation(s)
- Elahe Abedi-Taleb
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Vahabi
- Department of Geriatric Medicine, Ziaeian Hospital, Tehran University of Medical Sciences, Tehran, Iran.,Memory and Behavioral Neurology Division, Roozbeh Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Leila Khedmat
- Health Management Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Shima Jazayeri
- Department of Nutrition and Biochemistry, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Akbar Saboor-Yaraghi
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran. .,Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, 141613151, Iran.
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40
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Peng M, Wang XQ, Zhang Y, Li CX, Zhang M, Cheng H, Zhang XZ. Mitochondria-Targeting Thermosensitive Initiator with Enhanced Anticancer Efficiency. ACS APPLIED BIO MATERIALS 2019; 2:4656-4666. [PMID: 35021424 DOI: 10.1021/acsabm.9b00739] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
As one of the most important organelles in cells, the mitochondrion has been reported to exhibit higher temperatures and is vulnerable to free radicals, especially in cancer cells. Here, we report on the use of a mitochondria-targeted thermosensitive radical initiator for cancer cell killing. The thermal-sensitive radical initiator, V044 (2,2'-azobis [2-(2-imidazolin-2-yl)propane]dihydrochloride), was applied as a radical source, which was linked with a mitochondrial targeting moiety, triphenylphosphine (TPP), to construct the mitochondria-targeting radical initiator (TPPV). Mitochondria were applied as the endogenous thermal source of cells, which accelerated the free radical generation of TPPV. Results showed that TPPV could effectively generate free radicals in the mitochondrial area, and the released free radicals effectively damaged mitochondria, exhibiting an enhanced anticancer efficiency. This therapy based on endogenous mitochondrial heat avoids tissue penetration limits and offers a target for mitochondria-targeting systems.
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Affiliation(s)
- Mengyun Peng
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Xiao-Qiang Wang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China.,School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Yu Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Chu-Xin Li
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Mingkang Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Han Cheng
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Xian-Zheng Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China.,The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
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Ribot J, Arreguín A, Kuda O, Kopecky J, Palou A, Bonet ML. Novel Markers of the Metabolic Impact of Exogenous Retinoic Acid with A Focus on Acylcarnitines and Amino Acids. Int J Mol Sci 2019; 20:E3640. [PMID: 31349613 PMCID: PMC6696161 DOI: 10.3390/ijms20153640] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 07/21/2019] [Accepted: 07/24/2019] [Indexed: 02/06/2023] Open
Abstract
Treatment with all-trans retinoic acid (ATRA), the carboxylic form of vitamin A, lowers body weight in rodents by promoting oxidative metabolism in multiple tissues including white and brown adipose tissues. We aimed to identify novel markers of the metabolic impact of ATRA through targeted blood metabolomics analyses, with a focus on acylcarnitines and amino acids. Blood was obtained from mice treated with a high ATRA dose (50 mg/kg body weight/day, subcutaneous injection) or placebo (controls) during the 4 days preceding collection. LC-MS/MS analyses with a focus on acylcarnitines and amino acids were conducted on plasma and PBMC. Main results showed that, relative to controls, ATRA-treated mice had in plasma: increased levels of carnitine, acetylcarnitine, and longer acylcarnitine species; decreased levels of citrulline, and increased global arginine bioavailability ratio for nitric oxide synthesis; increased levels of creatine, taurine and docosahexaenoic acid; and a decreased n-6/n-3 polyunsaturated fatty acids ratio. While some of these features likely reflect the stimulation of lipid mobilization and oxidation promoted by ATRA treatment systemically, other may also play a causal role underlying ATRA actions. The results connect ATRA to specific nutrition-modulated biochemical pathways, and suggest novel mechanisms of action of vitamin A-derived retinoic acid on metabolic health.
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Affiliation(s)
- Joan Ribot
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain.
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain.
- Institut d'Investigació Sanitària Illes Balears (IdISBa), 07120 Palma de Mallorca, Spain.
| | - Andrea Arreguín
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain
| | - Ondrej Kuda
- Department of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Jan Kopecky
- Department of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Andreu Palou
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
- Institut d'Investigació Sanitària Illes Balears (IdISBa), 07120 Palma de Mallorca, Spain
| | - Maria Luisa Bonet
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
- Institut d'Investigació Sanitària Illes Balears (IdISBa), 07120 Palma de Mallorca, Spain
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Mounien L, Tourniaire F, Landrier JF. Anti-Obesity Effect of Carotenoids: Direct Impact on Adipose Tissue and Adipose Tissue-Driven Indirect Effects. Nutrients 2019; 11:nu11071562. [PMID: 31373317 PMCID: PMC6683027 DOI: 10.3390/nu11071562] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/05/2019] [Accepted: 07/07/2019] [Indexed: 02/07/2023] Open
Abstract
This review summarizes current knowledge on the biological relevance of carotenoids and some of their metabolites in obesity management. The relationship between carotenoids and obesity is considered in clinical studies and in preclinical studies. Adipose tissue is a key organ in obesity etiology and the main storage site for carotenoids. We thus first describe carotenoid metabolism in adipocyte and adipose tissue and the effects of carotenoids on biological processes in adipose tissue that may be linked to obesity management in in vitro and preclinical studies. It is also now well established that the brain is strongly involved in obesity processes. A section is accordingly devoted to the potential effect of carotenoids on obesity via their direct and/or adipose tissue-driven indirect biological effects on the brain.
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Affiliation(s)
- Lourdes Mounien
- Aix Marseille Univ, INSERM, INRA, C2VN, 13385 Marseille, France
| | - Franck Tourniaire
- Aix Marseille Univ, INSERM, INRA, C2VN, 13385 Marseille, France
- CriBioM, criblage biologique Marseille, faculté de Médecine de la Timone, 13256 Marseille, France
| | - Jean-Francois Landrier
- Aix Marseille Univ, INSERM, INRA, C2VN, 13385 Marseille, France.
- CriBioM, criblage biologique Marseille, faculté de Médecine de la Timone, 13256 Marseille, France.
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Lee SA, Jiang H, Feranil JB, Brun PJ, Blaner WS. Adipocyte-specific expression of a retinoic acid receptor α dominant negative form causes glucose intolerance and hepatic steatosis in mice. Biochem Biophys Res Commun 2019; 514:1231-1237. [PMID: 31109648 DOI: 10.1016/j.bbrc.2019.05.075] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 05/09/2019] [Indexed: 11/30/2022]
Abstract
All-trans-retinoic acid (ATRA) has been well described as a positive regulator for early stage of adipocyte differentiation and lipid metabolism and also linked to an in vivo fat-lowering effect in mice. However, not all studies support this association. Our objective was to characterize the action of ATRA in mature adipocytes of mice by ablating RAR signaling through overexpression of a well-characterized dominant negative RARα mutant (RARdn) form specifically in adipocytes. Altered RAR signaling in adipocytes resulted in a significant decrease in ATRA levels in visceral and brown adipose tissues as well as liver tissue. This was linked to significant impairments in glucose clearance and elevated hepatic lipid accumulation for chow diet fed mice, indicating the development of metabolic disease, including hepatic steatosis. In addition, we found that adipose RARdn expression in mice fed a chow diet decreased thermogenesis. We conclude that altered RAR signaling and ATRA levels in adipocytes impacts glucose and lipid metabolism in mice.
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Affiliation(s)
- Seung-Ah Lee
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, United States; Present Address: Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Republic of Korea.
| | - Hongfeng Jiang
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, United States.
| | - Jun B Feranil
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, United States.
| | - Pierre-Jacques Brun
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, United States.
| | - William S Blaner
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, United States.
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Abstract
Much evidence has accumulated in the literature over the last fifteen years that indicates vitamin A has a role in metabolic disease prevention and causation. This literature proposes that vitamin A can affect obesity development and the development of obesity-related diseases including insulin resistance, type 2 diabetes, hepatic steatosis and steatohepatitis, and cardiovascular disease. Retinoic acid, the transcriptionally active form of vitamin A, accounts for many of the reported associations. However, a number of proteins involved in vitamin A metabolism, including retinol-binding protein 4 (RBP4) and aldehyde dehydrogenase 1A1 (ALDH1A1, alternatively known as retinaldehyde dehydrogenase 1 or RALDH1), have also been identified as being associated with metabolic disease. Some of the reported effects of these vitamin A-related proteins are proposed to be independent of their roles in assuring normal retinoic acid homeostasis. This review will consider both human observational data as well as published data from molecular studies undertaken in rodent models and in cells in culture. The primary focus of the review will be on the effects that vitamin A per se and proteins involved in vitamin A metabolism have on adipocytes, adipose tissue biology, and adipose-related disease, as well as on early stage liver disease, including non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH).
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Affiliation(s)
- William S Blaner
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, New York 10032.
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45
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β-Carotene in the human body: metabolic bioactivation pathways - from digestion to tissue distribution and excretion. Proc Nutr Soc 2019; 78:68-87. [PMID: 30747092 DOI: 10.1017/s0029665118002641] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
β-Carotene intake and tissue/blood concentrations have been associated with reduced incidence of several chronic diseases. Further bioactive carotenoid-metabolites can modulate the expression of specific genes mainly via the nuclear hormone receptors: retinoic acid receptor- and retinoid X receptor-mediated signalling. To better understand the metabolic conversion of β-carotene, inter-individual differences regarding β-carotene bioavailability and bioactivity are key steps that determine its further metabolism and bioactivation and mediated signalling. Major carotenoid metabolites, the retinoids, can be stored as esters or further oxidised and excreted via phase 2 metabolism pathways. In this review, we aim to highlight the major critical control points that determine the fate of β-carotene in the human body, with a special emphasis on β-carotene oxygenase 1. The hypothesis that higher dietary β-carotene intake and serum level results in higher β-carotene-mediated signalling is partly questioned. Alternative autoregulatory mechanisms in β-carotene / retinoid-mediated signalling are highlighted to better predict and optimise nutritional strategies involving β-carotene-related health beneficial mediated effects.
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Fenni S, Astier J, Bonnet L, Karkeni E, Gouranton E, Mounien L, Couturier C, Tourniaire F, Böhm V, Hammou H, Landrier JF. (all-E)- and (5Z)-Lycopene Display Similar Biological Effects on Adipocytes. Mol Nutr Food Res 2018; 63:e1800788. [DOI: 10.1002/mnfr.201800788] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 11/21/2018] [Indexed: 01/10/2023]
Affiliation(s)
- Soumia Fenni
- Aix-Marseille Université; INSERM, INRA, C2VN 13385 Marseille France
- Laboratoire de Physiologie de la Nutrition et Sécurité Alimentaire Département de Biologie, Faculté des Sciences de la Nature et de la Vie; Université Oran 1 Ahmed Ben Bella; 31000 Oran Algérie
| | - Julien Astier
- Aix-Marseille Université; INSERM, INRA, C2VN 13385 Marseille France
| | - Lauriane Bonnet
- Aix-Marseille Université; INSERM, INRA, C2VN 13385 Marseille France
| | - Esma Karkeni
- Aix-Marseille Université; INSERM, INRA, C2VN 13385 Marseille France
| | - Erwan Gouranton
- Aix-Marseille Université; INSERM, INRA, C2VN 13385 Marseille France
| | - Lourdes Mounien
- Aix-Marseille Université; INSERM, INRA, C2VN 13385 Marseille France
| | | | - Franck Tourniaire
- Aix-Marseille Université; INSERM, INRA, C2VN 13385 Marseille France
- CriBioM, Criblage Biologique Marseille; Faculté de Médecine de la Timone; 13385 Marseille France
| | - Volker Böhm
- Institute of Nutritional Sciences; Friedrich-Schiller-Universität Jena; 07743 Jena Germany
| | - Habib Hammou
- Laboratoire de Physiologie de la Nutrition et Sécurité Alimentaire Département de Biologie, Faculté des Sciences de la Nature et de la Vie; Université Oran 1 Ahmed Ben Bella; 31000 Oran Algérie
| | - Jean-François Landrier
- Aix-Marseille Université; INSERM, INRA, C2VN 13385 Marseille France
- CriBioM, Criblage Biologique Marseille; Faculté de Médecine de la Timone; 13385 Marseille France
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High Fat/High Glucose Diet Induces Metabolic Syndrome in an Experimental Rat Model. Nutrients 2018; 10:nu10101502. [PMID: 30322196 PMCID: PMC6213024 DOI: 10.3390/nu10101502] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 10/09/2018] [Accepted: 10/12/2018] [Indexed: 02/06/2023] Open
Abstract
Metabolic syndrome (MetS) is defined as a constellation of many metabolic disorders such as hypertension, impaired glucose tolerance, dyslipidemia and obesity, being this last disorder a key factor in the etiology of the syndrome. The widespread of MetS in actual society, mainly in developed countries, is becoming an important health problem and is increasing the need to develop new treatments against this pathology is increasing fast. The main objective of the present study was to evaluate the MetS-associated alterations developed in a new glucose diet-induced-obesity (DIO) rodent model. These alterations were also compared to those alterations developed in a fructose-DIO rodent model. Wistar rats were divided into four groups: Control (C), High-fat (HF), High-fat/high-fructose (HFF) and High-fat/high-glucose (HFG). The animals were fed ad libitum for 20 weeks. At the end of the study, HFG animals showed lower expression of energy expenditure genes when compared to the other DIO groups. Oxidative stress biomarkers such as MDA and mitochondrial RT-qPCR analyses showed an increase of oxidative damage together with mitochondrial dysfunction in HFG group. This group also showed increased insulin and glucose plasma levels, though HFF animals showed the greatest increase on these parameters. All DIO groups showed increased plasma levels of triglycerides. Altogether, our results indicated a better impact of glucose than fructose, when combined with a high-fat diet, to induce most of the alterations associated with MetS in rats. In addition, our research facilitates a new animal model to evaluate future treatments for MetS.
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Serrano A, Asnani-Kishnani M, Rodríguez AM, Palou A, Ribot J, Bonet ML. Programming of the Beige Phenotype in White Adipose Tissue of Adult Mice by Mild Resveratrol and Nicotinamide Riboside Supplementations in Early Postnatal Life. Mol Nutr Food Res 2018; 62:e1800463. [PMID: 30095217 DOI: 10.1002/mnfr.201800463] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 07/31/2018] [Indexed: 12/31/2022]
Abstract
SCOPE Resveratrol (RSV) and nicotinamide riboside (NR) are food compounds with anti-obesity actions in adult rodents. Here, the long-term effects of RSV and NR mild supplementation throughout lactation on adiposity-related parameters and the appearance of the beige phenotype in white adipose tissue (WAT) in adulthood are assessed. METHODS AND RESULTS Newborn mice received orally RSV or NR from day 2 to 20 of life. Control littermates received the vehicle. All animals are weaned onto a chow diet on day 21. On day 90, half the animals of each group are assigned to a high-fat diet (HFD) for 10 weeks, while the other remained on a normal-fat diet. Energy-balance-related parameters, blood parameters, and gene expression and immunohistochemical analysis of WAT are assessed. Treated male mice show an improved response to the HFD, such as delayed body weight gain, a blunted increase in the plasma leptin/adiponectin ratio, and a decreased lipolytic response, together with signs of white-to-brown fat remodeling in inguinal WAT. These effects are absent in female mice. CONCLUSION RSV and NR supplementations in early postnatal life affect WAT's thermogenic/oxidative transcriptional phenotype and metabolic responses in adulthood, with upregulatory and beneficial effects evidenced in male animals.
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Affiliation(s)
- Alba Serrano
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma de Mallorca, Spain
| | - Madhu Asnani-Kishnani
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma de Mallorca, Spain
| | - Ana María Rodríguez
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma de Mallorca, Spain
| | - Andreu Palou
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma de Mallorca, Spain
| | - Joan Ribot
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma de Mallorca, Spain
| | - María Luisa Bonet
- Grup de Recerca Nutrigenòmica i Obesitat, Laboratori de Biologia Molecular, Nutrició i Biotecnologia (LBNB), Universitat de les Illes Balears, CIBER de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma de Mallorca, Spain
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Dietary vitamin A impacts DNA methylation patterns of adipogenesis-related genes in suckling rats. Arch Biochem Biophys 2018; 650:75-84. [DOI: 10.1016/j.abb.2018.05.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/23/2018] [Accepted: 05/09/2018] [Indexed: 01/07/2023]
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Finley J. Cellular stress and AMPK activation as a common mechanism of action linking the effects of metformin and diverse compounds that alleviate accelerated aging defects in Hutchinson-Gilford progeria syndrome. Med Hypotheses 2018; 118:151-162. [PMID: 30037605 DOI: 10.1016/j.mehy.2018.06.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 06/13/2018] [Accepted: 06/27/2018] [Indexed: 12/19/2022]
Abstract
Hutchinson-Gilford progeria syndrome (HGPS) is a rare genetic disorder characterized by an accelerated aging phenotype that typically leads to death via stroke or myocardial infarction at approximately 14.6 years of age. Most cases of HGPS have been linked to the extensive use of a cryptic splice donor site located in the LMNA gene due to a de novo mutation, generating a truncated and toxic protein known as progerin. Progerin accumulation in the nuclear membrane and within the nucleus distorts the nuclear architecture and negatively effects nuclear processes including DNA replication and repair, leading to accelerated cellular aging and premature senescence. The serine-arginine rich splicing factor SRSF1 (also known as ASF/SF2) has recently been shown to modulate alternative splicing of the LMNA gene, with SRSF1 inhibition significantly reducing progerin at both the mRNA and protein levels. In 2014, we hypothesized for the first time that compounds including metformin that induce activation of AMP-activated protein kinase (AMPK), a master metabolic regulator activated by cellular stress (e.g. increases in intracellular calcium, reactive oxygen species, and/or an AMP(ADP)/ATP ratio increase, etc.), will beneficially alter gene splicing in progeria cells by inhibiting SRSF1, thus lowering progerin levels and altering the LMNA pre-mRNA splicing ratio. Recent evidence has substantiated this hypothesis, with metformin significantly reducing the mRNA and protein levels of both SRSF1 and progerin, activating AMPK, and alleviating pathological defects in HGPS cells. Metformin has also recently been shown to beneficially alter gene splicing in normal humans. Interestingly, several chemically distinct compounds, including rapamycin, methylene blue, all-trans retinoic acid, MG132, 1α,25-dihydroxyvitamin D3, sulforaphane, and oltipraz have each been shown to alleviate accelerated aging defects in patient-derived HGPS cells. Each of these compounds has also been independently shown to induce AMPK activation. Because these compounds improve accelerated aging defects in HGPS cells either by enhancing mitochondrial functionality, increasing Nrf2 activity, inducing autophagy, or by altering gene splicing and because AMPK activation beneficially modulates each of the aforementioned processes, it is our hypothesis that cellular stress-induced AMPK activation represents an indirect yet common mechanism of action linking such chemically diverse compounds with the beneficial effects of those compounds observed in HGPS cells. As normal humans also produce progerin at much lower levels through a similar mechanism, compounds that safely induce AMPK activation may have wide-ranging implications for both normal and pathological aging.
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