1
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Lanzillotta C, Tramutola A, Lanzillotta S, Greco V, Pagnotta S, Sanchini C, Di Angelantonio S, Forte E, Rinaldo S, Paone A, Cutruzzolà F, Cimini FA, Barchetta I, Cavallo MG, Urbani A, Butterfield DA, Di Domenico F, Paul BD, Perluigi M, Duarte JMN, Barone E. Biliverdin Reductase-A integrates insulin signaling with mitochondrial metabolism through phosphorylation of GSK3β. Redox Biol 2024; 73:103221. [PMID: 38843768 PMCID: PMC11190564 DOI: 10.1016/j.redox.2024.103221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 05/24/2024] [Accepted: 05/31/2024] [Indexed: 06/14/2024] Open
Abstract
Brain insulin resistance links the failure of energy metabolism with cognitive decline in both type 2 Diabetes Mellitus (T2D) and Alzheimer's disease (AD), although the molecular changes preceding overt brain insulin resistance remain unexplored. Abnormal biliverdin reductase-A (BVR-A) levels were observed in both T2D and AD and were associated with insulin resistance. Here, we demonstrate that reduced BVR-A levels alter insulin signaling and mitochondrial bioenergetics in the brain. Loss of BVR-A leads to IRS1 hyper-activation but dysregulates Akt-GSK3β complex in response to insulin, hindering the accumulation of pGSK3βS9 into the mitochondria. This event impairs oxidative phosphorylation and fosters the activation of the mitochondrial Unfolded Protein Response (UPRmt). Remarkably, we unveil that BVR-A is required to shuttle pGSK3βS9 into the mitochondria. Our data sheds light on the intricate interplay between insulin signaling and mitochondrial metabolism in the brain unraveling potential targets for mitigating the development of brain insulin resistance and neurodegeneration.
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Affiliation(s)
- Chiara Lanzillotta
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Antonella Tramutola
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Simona Lanzillotta
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Viviana Greco
- Department of Basic Biotechnology, Perioperative and Intensive Clinics, Faculty of Medicine and Surgery, Catholic University of the Sacred Heart, L.go F.Vito 1, 00168, Rome, Italy; Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A.Gemelli 8, 00168, Rome, Italy
| | - Sara Pagnotta
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Caterina Sanchini
- Center for Life Nano- & Neuro-Science, Istituto Italiano di Tecnologia, 00161, Rome, Italy
| | - Silvia Di Angelantonio
- Center for Life Nano- & Neuro-Science, Istituto Italiano di Tecnologia, 00161, Rome, Italy; Department of Physiology and Pharmacology, Sapienza University of Rome, Italy
| | - Elena Forte
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Serena Rinaldo
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Alessio Paone
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Francesca Cutruzzolà
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | | | - Ilaria Barchetta
- Department of Experimental Medicine, Sapienza University of Rome, Italy
| | | | - Andrea Urbani
- Department of Basic Biotechnology, Perioperative and Intensive Clinics, Faculty of Medicine and Surgery, Catholic University of the Sacred Heart, L.go F.Vito 1, 00168, Rome, Italy; Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A.Gemelli 8, 00168, Rome, Italy
| | - D Allan Butterfield
- Sanders-Brown Center on Aging, Department of Chemistry, University of Kentucky, Lexington, KY, USA
| | - Fabio Di Domenico
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Bindu D Paul
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Lieber Institute for Brain Development, Baltimore, MD, USA
| | - Marzia Perluigi
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy
| | - Joao M N Duarte
- Department of Experimental Medical Science, Faculty of Medicine, Lund University, Sweden; Wallenberg Centre for Molecular Medicine, Lund University, Lund, Sweden
| | - Eugenio Barone
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, Italy.
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2
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Spaggiari R, Angelini S, Di Vincenzo A, Scaglione G, Morrone S, Finello V, Fagioli S, Castaldo F, Sanz JM, Sergi D, Passaro A. Ceramides as Emerging Players in Cardiovascular Disease: Focus on Their Pathogenetic Effects and Regulation by Diet. Adv Nutr 2024; 15:100252. [PMID: 38876397 DOI: 10.1016/j.advnut.2024.100252] [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: 02/27/2024] [Revised: 05/16/2024] [Accepted: 06/10/2024] [Indexed: 06/16/2024] Open
Abstract
Impaired lipid metabolism is a pivotal driver of cardiovascular disease (CVD). In this regard, the accumulation of ceramides within the circulation as well as in metabolically active tissues and atherosclerotic plaques is a direct consequence of derailed lipid metabolism. Ceramides may be at the nexus between impaired lipid metabolism and CVD. Indeed, although on one hand ceramides have been implicated in the pathogenesis of CVD, on the other specific ceramide subspecies have also been proposed as predictors of major adverse cardiovascular events. This review will provide an updated overview of the role of ceramides in the pathogenesis of CVD, as well as their pathogenetic mechanisms of action. Furthermore, the manuscript will cover the importance of ceramides as biomarkers to predict cardiovascular events and the role of diet, both in terms of nutrients and dietary patterns, in modulating ceramide metabolism and homeostasis.
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Affiliation(s)
- Riccardo Spaggiari
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Sharon Angelini
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Alessandra Di Vincenzo
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Gerarda Scaglione
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Sara Morrone
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Veronica Finello
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Sofia Fagioli
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Fabiola Castaldo
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Juana M Sanz
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
| | - Domenico Sergi
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy.
| | - Angelina Passaro
- Department of Translational Medicine, University of Ferrara, Via Luigi Borsari, Ferrara, Italy
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3
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Mathis D, du Toit T, Altinkilic EM, Stojkov D, Urzì C, Voegel CD, Wu V, Zamboni N, Simon HU, Nuoffer JM, Flück CE, Felser A. Mitochondrial dysfunction results in enhanced adrenal androgen production in H295R cells. J Steroid Biochem Mol Biol 2024; 243:106561. [PMID: 38866189 DOI: 10.1016/j.jsbmb.2024.106561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/20/2024] [Accepted: 06/06/2024] [Indexed: 06/14/2024]
Abstract
The role of mitochondria in steroidogenesis is well established. However, the specific effects of mitochondrial dysfunction on androgen synthesis are not fully understood. In this study, we investigate the effects of various mitochondrial and metabolic inhibitors in H295R adrenal cells and perform a comprehensive analysis of steroid and metabolite profiling. We report that mitochondrial complex I inhibition by rotenone shifts cells toward anaerobic metabolism with a concomitant hyperandrogenic phenotype characterized by rapid stimulation of dehydroepiandrosterone (DHEA, 2 h) and slower accumulation of androstenedione and testosterone (24 h). Screening of metabolic inhibitors confirmed DHEA stimulation, which included mitochondrial complex III and mitochondrial pyruvate carrier inhibition. Metabolomic studies revealed truncated tricarboxylic acid cycle with an inverse correlation between citric acid and DHEA production as a common metabolic marker of hyperandrogenic inhibitors. The current study sheds light on a direct interplay between energy metabolism and androgen biosynthesis that could be further explored to identify novel molecular targets for efficient treatment of androgen excess disorders.
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Affiliation(s)
- Déborah Mathis
- University Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Therina du Toit
- Department for BioMedical Research, Bern University Hospital, University of Bern, Switzerland; Department of Nephrology and Hypertension, Bern University Hospital, University of Bern, Switzerland
| | - Emre Murat Altinkilic
- Division of Pediatric Endocrinology, Diabetology and Metabolism, Department of Pediatrics, Bern University Hospital, University of Bern, Switzerland; Department for BioMedical Research, Bern University Hospital, University of Bern, Switzerland
| | - Darko Stojkov
- Institute of Pharmacology, University of Bern, Switzerland
| | - Christian Urzì
- University Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Switzerland; Magnetic Resonance Methodology, Institute of Diagnostic and Interventional Neuroradiology, University of Bern, Switzerland; Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Clarissa D Voegel
- Department of Nephrology and Hypertension, Bern University Hospital, University of Bern, Switzerland
| | - Vincen Wu
- Institute of Molecular Systems Biology, ETH Zurich, Switzerland
| | - Nicola Zamboni
- Institute of Molecular Systems Biology, ETH Zurich, Switzerland; PHRT Swiss Multi Omics Center, Zurich, Switzerland
| | - Hans-Uwe Simon
- Institute of Pharmacology, University of Bern, Switzerland; Institute of Biochemistry, Brandenburg Medical School, Neuruppin, Germany
| | - Jean-Marc Nuoffer
- Division of Pediatric Endocrinology, Diabetology and Metabolism, Department of Pediatrics, Bern University Hospital, University of Bern, Switzerland; Department for BioMedical Research, Bern University Hospital, University of Bern, Switzerland; University Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Christa E Flück
- Division of Pediatric Endocrinology, Diabetology and Metabolism, Department of Pediatrics, Bern University Hospital, University of Bern, Switzerland; Department for BioMedical Research, Bern University Hospital, University of Bern, Switzerland
| | - Andrea Felser
- Division of Pediatric Endocrinology, Diabetology and Metabolism, Department of Pediatrics, Bern University Hospital, University of Bern, Switzerland; Department for BioMedical Research, Bern University Hospital, University of Bern, Switzerland.
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4
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Macena MDL, Pereira MR, Paula DTCD, Silva Júnior AED, Bueno NB. Associations between resting energy expenditure and glycemic parameters in women with obesity without type 2 diabetes mellitus. Clin Nutr 2024; 43:1473-1474. [PMID: 38714151 DOI: 10.1016/j.clnu.2024.04.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 04/19/2024] [Indexed: 05/09/2024]
Affiliation(s)
- Mateus de Lima Macena
- Laboratório de Nutrição e Metabolismo (LANUM), Faculdade de Nutrição (FANUT), Universidade Federal de Alagoas, Maceió, AL, Brazil; Postgraduate Program in Nutrition, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
| | - Micnéias Roberth Pereira
- Laboratório de Nutrição e Metabolismo (LANUM), Faculdade de Nutrição (FANUT), Universidade Federal de Alagoas, Maceió, AL, Brazil
| | - Déborah Tenório Costa de Paula
- Laboratório de Nutrição e Metabolismo (LANUM), Faculdade de Nutrição (FANUT), Universidade Federal de Alagoas, Maceió, AL, Brazil
| | - André Eduardo da Silva Júnior
- Laboratório de Nutrição e Metabolismo (LANUM), Faculdade de Nutrição (FANUT), Universidade Federal de Alagoas, Maceió, AL, Brazil; Postgraduate Program in Nutrition, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Nassib Bezerra Bueno
- Laboratório de Nutrição e Metabolismo (LANUM), Faculdade de Nutrição (FANUT), Universidade Federal de Alagoas, Maceió, AL, Brazil; Postgraduate Program in Nutrition, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
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5
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Vieira-Lara MA, Bakker BM. The paradox of fatty-acid β-oxidation in muscle insulin resistance: Metabolic control and muscle heterogeneity. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167172. [PMID: 38631409 DOI: 10.1016/j.bbadis.2024.167172] [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: 12/17/2023] [Revised: 03/18/2024] [Accepted: 04/09/2024] [Indexed: 04/19/2024]
Abstract
The skeletal muscle is a metabolically heterogeneous tissue that plays a key role in maintaining whole-body glucose homeostasis. It is well known that muscle insulin resistance (IR) precedes the development of type 2 diabetes. There is a consensus that the accumulation of specific lipid species in the tissue can drive IR. However, the role of the mitochondrial fatty-acid β-oxidation in IR and, consequently, in the control of glucose uptake remains paradoxical: interventions that either inhibit or activate fatty-acid β-oxidation have been shown to prevent IR. We here discuss the current theories and evidence for the interplay between β-oxidation and glucose uptake in IR. To address the underlying intricacies, we (1) dive into the control of glucose uptake fluxes into muscle tissues using the framework of Metabolic Control Analysis, and (2) disentangle concepts of flux and catalytic capacities taking into account skeletal muscle heterogeneity. Finally, we speculate about hitherto unexplored mechanisms that could bring contrasting evidence together. Elucidating how β-oxidation is connected to muscle IR and the underlying role of muscle heterogeneity enhances disease understanding and paves the way for new treatments for type 2 diabetes.
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Affiliation(s)
- Marcel A Vieira-Lara
- Laboratory of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
| | - Barbara M Bakker
- Laboratory of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
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6
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Adamidis N, Papalexis P, Adamidis S. Exploring the Link Between Metabolic Syndrome and Cellulite. Cureus 2024; 16:e63464. [PMID: 38947139 PMCID: PMC11214470 DOI: 10.7759/cureus.63464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2024] [Indexed: 07/02/2024] Open
Abstract
Metabolic syndrome (MetS) encompasses a cluster of metabolic abnormalities, including insulin resistance, hypertension, abdominal obesity, and dyslipidemia, increasing cardiovascular disease and type 2 diabetes risks. Cellulite, a cosmetic condition marked by dimpled skin, predominantly affects women and shares risk factors with MetS, such as obesity and hormonal imbalances. This review examines the potential link between MetS and cellulite, focusing on shared pathophysiological pathways and implications for clinical practice and future research. Common factors such as inflammation, hormonal changes, and adipose tissue dysfunction are explored. The review highlights the importance of longitudinal studies to track cellulite progression in MetS patients, biomarker identification for early detection, intervention trials to assess therapeutic efficacy, mechanistic studies to elucidate underlying pathways and the impact of comorbidities on cellulite development. Understanding these relationships can enhance prevention, diagnosis, and treatment strategies for both MetS and cellulite, addressing significant public health and cosmetic concerns.
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Affiliation(s)
| | - Petros Papalexis
- Endocrinology, Laiko General Hospital, National and Kapodistrian University of Athens, Athens, GRC
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7
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Małkowska P. Positive Effects of Physical Activity on Insulin Signaling. Curr Issues Mol Biol 2024; 46:5467-5487. [PMID: 38920999 PMCID: PMC11202552 DOI: 10.3390/cimb46060327] [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: 04/23/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 06/27/2024] Open
Abstract
Physical activity is integral to metabolic health, particularly in addressing insulin resistance and related disorders such as type 2 diabetes mellitus (T2DM). Studies consistently demonstrate a strong association between physical activity levels and insulin sensitivity. Regular exercise interventions were shown to significantly improve glycemic control, highlighting exercise as a recommended therapeutic strategy for reducing insulin resistance. Physical inactivity is closely linked to islet cell insufficiency, exacerbating insulin resistance through various pathways including ER stress, mitochondrial dysfunction, oxidative stress, and inflammation. Conversely, physical training and exercise preserve and restore islet function, enhancing peripheral insulin sensitivity. Exercise interventions stimulate β-cell proliferation through increased circulating levels of growth factors, further emphasizing its role in maintaining pancreatic health and glucose metabolism. Furthermore, sedentary lifestyles contribute to elevated oxidative stress levels and ceramide production, impairing insulin signaling and glucose metabolism. Regular exercise induces anti-inflammatory responses, enhances antioxidant defenses, and promotes mitochondrial function, thereby improving insulin sensitivity and metabolic efficiency. Encouraging individuals to adopt active lifestyles and engage in regular exercise is crucial for preventing and managing insulin resistance and related metabolic disorders, ultimately promoting overall health and well-being.
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Affiliation(s)
- Paulina Małkowska
- Institute of Physical Culture Sciences, University of Szczecin, 71-065 Szczecin, Poland
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Lin J, Zhang X, Sun Y, Xu H, Li N, Wang Y, Tian X, Zhao C, Wang B, Zhu B, Zhao R. Exercise ameliorates muscular excessive mitochondrial fission, insulin resistance and inflammation in diabetic rats via irisin/AMPK activation. Sci Rep 2024; 14:10658. [PMID: 38724553 PMCID: PMC11082241 DOI: 10.1038/s41598-024-61415-6] [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: 02/16/2024] [Accepted: 05/06/2024] [Indexed: 05/12/2024] Open
Abstract
This study aimed to investigate the effects of exercise on excessive mitochondrial fission, insulin resistance, and inflammation in the muscles of diabetic rats. The role of the irisin/AMPK pathway in regulating exercise effects was also determined. Thirty-two 8-week-old male Wistar rats were randomly divided into four groups (n = 8 per group): one control group (Con) and three experimental groups. Type 2 diabetes mellitus (T2DM) was induced in the experimental groups via a high-fat diet followed by a single intraperitoneal injection of streptozotocin (STZ) at a dosage of 30 mg/kg body weight. After T2DM induction, groups were assigned as sedentary (DM), subjected to 8 weeks of treadmill exercise training (Ex), or exercise training combined with 8-week cycloRGDyk treatment (ExRg). Upon completion of the last training session, all rats were euthanized and samples of fasting blood and soleus muscle were collected for analysis using ELISA, immunofluorescence, RT-qPCR, and Western blotting. Statistical differences between groups were analyzed using one-way ANOVA, and differences between two groups were assessed using t-tests. Our findings demonstrate that exercise training markedly ameliorated hyperglycaemia, hyperlipidaemia, and insulin resistance in diabetic rats (p < 0.05). It also mitigated the disarranged morphology and inflammation of skeletal muscle associated with T2DM (p < 0.05). Crucially, exercise training suppressed muscular excessive mitochondrial fission in the soleus muscle of diabetic rats (p < 0.05), and enhanced irisin and p-AMPK levels significantly (p < 0.05). However, exercise-induced irisin and p-AMPK expression were inhibited by cycloRGDyk treatment (p < 0.05). Furthermore, the administration of CycloRGDyk blocked the effects of exercise training in reducing excessive mitochondrial fission and inflammation in the soleus muscle of diabetic rats, as well as the positive effects of exercise training on improving hyperlipidemia and insulin sensitivity in diabetic rats (p < 0.05). These results indicate that regular exercise training effectively ameliorates insulin resistance and glucolipid metabolic dysfunction, and reduces inflammation in skeletal muscle. These benefits are partially mediated by reductions in mitochondrial fission through the irisin/AMPK signalling pathway.
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Affiliation(s)
- Junjie Lin
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Xin Zhang
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Yu Sun
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Haocheng Xu
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Nan Li
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Yuanxin Wang
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Xin Tian
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Chen Zhao
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Bin Wang
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Baishu Zhu
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China
| | - Renqing Zhao
- College of Physical Education, Yangzhou University, Yangzhou, 225009, China.
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9
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Logesh R, Hari B, Chidambaram K, Das N. Molecular effects of Vitamin-D and PUFAs metabolism in skeletal muscle combating Type-II diabetes mellitus. Gene 2024; 904:148216. [PMID: 38307219 DOI: 10.1016/j.gene.2024.148216] [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: 06/03/2023] [Revised: 01/10/2024] [Accepted: 01/25/2024] [Indexed: 02/04/2024]
Abstract
Multiple post-receptor intracellular alterations such as impaired glucose transfer, glucose phosphorylation, decreased glucose oxidation, and glycogen production contribute to insulin resistance (IR) in skeletal muscle, manifested by diminished insulin-stimulated glucose uptake. Type-2 diabetes mellites (T2DM) has caused by IR, which is also seen in obese patients and those with metabolic syndrome. The Vitamin-D receptor (VDR) and poly unsaturated fatty acids (PUFAs) roles in skeletal muscle growth, shapes, and function for combating type-2 diabetes have been clarified throughout this research. VDR and PUFAs appears to show a variety of effects on skeletal muscle, in addition it shows a promising role on bone and mineral homeostasis. Individuals having T2DM are reported to suffer from severe muscular weakness and alterations in shape of the muscle. Several studies have investigated the effect on VDR on muscular strength and mass, which leads to Vitamin-D deficiency (VDD) in individuals, in which most commonly seen in elderly. VDR has been shown to affect skeletal cellular proliferation, intracellular calcium handling, as well as genomic activity in a variety of different ways such as muscle metabolism, insulin sensitivity, which is the major characteristic pathogenesis for IR in combating T2DM. The identified VDR gene polymorphisms are ApaI, TaqI, FokI, and BsmI that are associated with T2DM. This review collates informations on the mechanisms by which VDR activation takes place in skeletal muscles. Despite the significant breakthroughs made in recent decades, various studies show that IR affects VDR and PUFAs metabolism in skeletal muscle. Therefore, this review collates the data to show the role of VDR and PUFAs in the skeletal muscles to combat T2DM.
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Affiliation(s)
- Rajan Logesh
- Department of Pharmacognosy, JSS College of Pharmacy, Mysuru, JSS Academy of Higher Education & Research, Karnataka, India.
| | - Balaji Hari
- TIFAC CORE in Herbal Drugs, Department of Pharmacognosy, JSS Academy of Higher Education & Research, JSS College of Pharmacy, The Nilgiris, Ooty 643001, Tamil Nadu, India
| | - Kumarappan Chidambaram
- Department of Pharmacology, College of Pharmacy, King Khalid University, Al-Qara, Asir Province, Saudi Arabia
| | - Niranjan Das
- Department of Chemistry, Iswar Chandra Vidyasagar College, Belonia 799155, Tripura, India
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10
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Xhonneux I, Marei WFA, Meulders B, Andries S, Leroy JLMR. The interplay of maternal and offspring obesogenic diets: the impact on offspring metabolism and muscle mitochondria in an outbred mouse model. Front Physiol 2024; 15:1354327. [PMID: 38585221 PMCID: PMC10995298 DOI: 10.3389/fphys.2024.1354327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 03/01/2024] [Indexed: 04/09/2024] Open
Abstract
Consumption of obesogenic (OB) diets increases the prevalence of maternal obesity worldwide, causing major psychological and social burdens in women. Obesity not only impacts the mother's health and fertility but also elevates the risk of obesity and metabolic disorders in the offspring. Family lifestyle is mostly persistent through generations, possibly contributing to the growing prevalence of obesity. We hypothesized that offspring metabolic health is dependent on both maternal and offspring diet and their interaction. We also hypothesized that the sensitivity of the offspring to the diet may be influenced by the match or mismatch between offspring and maternal diets. To test these hypotheses, outbred Swiss mice were fed a control (C, 10% fat, 7% sugar, and n = 14) or OB diet (60% fat, 20% sugar, and n = 15) for 7 weeks and then mated with the same control males. Mice were maintained on the same corresponding diet during pregnancy and lactation, and the offspring were kept with their mothers until weaning. The study focused only on female offspring, which were equally distributed at weaning and fed C or OB diets for 7 weeks, resulting in four treatment groups: C-born offspring fed C or OB diets (C » C and C » OB) and OB-born offspring fed C or OB diets (OB » C and OB » OB). Adult offspring's systemic blood profile (lipid and glucose metabolism) and muscle mitochondrial features were assessed. We confirmed that the offspring's OB diet majorly impacted the offspring's health by impairing the offspring's serum glucose and lipid profiles, which are associated with abnormal muscle mitochondrial ultrastructure. Contrarily, maternal OB diet was associated with increased expression of mitochondrial complex markers and mitochondrial morphology in offspring muscle, but no additive effects of (increased sensitivity to) an offspring OB diet were observed in pups born to obese mothers. In contrast, their metabolic profile appeared to be healthier compared to those born to lean mothers and fed an OB diet. These results are in line with the thrifty phenotype hypothesis, suggesting that OB-born offspring are better adapted to an environment with high energy availability later in life. Thus, using a murine outbred model, we could not confirm that maternal obesogenic diets contribute to female familial obesity in the following generations.
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Affiliation(s)
- Inne Xhonneux
- Department of Veterinary Sciences, Laboratory of Veterinary Physiology and Biochemistry, Gamete Research Centre, University of Antwerp, Wilrijk, Belgium
| | - Waleed F. A. Marei
- Department of Veterinary Sciences, Laboratory of Veterinary Physiology and Biochemistry, Gamete Research Centre, University of Antwerp, Wilrijk, Belgium
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Ben Meulders
- Department of Veterinary Sciences, Laboratory of Veterinary Physiology and Biochemistry, Gamete Research Centre, University of Antwerp, Wilrijk, Belgium
| | - Silke Andries
- Department of Veterinary Sciences, Laboratory of Veterinary Physiology and Biochemistry, Gamete Research Centre, University of Antwerp, Wilrijk, Belgium
| | - Jo L. M. R. Leroy
- Department of Veterinary Sciences, Laboratory of Veterinary Physiology and Biochemistry, Gamete Research Centre, University of Antwerp, Wilrijk, Belgium
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11
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Xiao Liang K. Interplay of mitochondria and diabetes: Unveiling novel therapeutic strategies. Mitochondrion 2024; 75:101850. [PMID: 38331015 DOI: 10.1016/j.mito.2024.101850] [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: 08/16/2023] [Revised: 12/26/2023] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
The interplay between mitochondrial function and diabetes has gained significant attention due to its crucial role in the pathogenesis and progression of the disease. Mitochondria, known as the cellular powerhouses, are essential for glucose metabolism. Dysfunction of these organelles has been implicated in the development of insulin resistance and beta-cell failure, both prominent features of diabetes. This comprehensive review explores the intricate mechanisms involved, including the generation of reactive oxygen species and the impact of mitochondrial DNA (mtDNA) mutations. Moreover, the review delves into emerging therapeutic strategies that specifically target mitochondria, such as mitochondria-targeted antioxidants, agents promoting mitochondrial biogenesis, and compounds modulating mitochondrial dynamics. The potential of these novel approaches is critically evaluated, taking into account their benefits and limitations, to provide a well-rounded perspective. Ultimately, this review emphasizes the importance of advancing our understanding of mitochondrial biology to revolutionize the treatment of diabetes.
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12
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Pan T, Lee YM, Takimoto E, Ueda K, Liu PY, Shen HH. Inhibitory effects of naringenin on estrogen deficiency-induced obesity via regulation of mitochondrial dynamics and AMPK activation associated with white adipose tissue browning. Life Sci 2024; 340:122453. [PMID: 38272439 DOI: 10.1016/j.lfs.2024.122453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/10/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024]
Abstract
AIMS Post-ovariectomy (OVX) changes in hormones induce obesity and white adipose tissue (WAT) inflammation. Increased energy expenditure via WAT browning is a novel therapeutic strategy for treating obesity. Naringenin (NAR) reduces inflammation and lipogenesis in obesity and attenuates estrogen deficiency-associated metabolic disorders; however, its role in WAT browning remains unclear. MATERIALS AND METHODS We investigated NAR ability to inhibit estrogen deficiency-associated obesity in vivo using a rat model and in vitro using 3T3-L1 adipocytes. KEY FINDINGS NAR significantly decreased the body weight and WAT mass of rats. O2 consumption, CO2 production, and energy expenditure were significantly lower in the OVX group than in the sham group, but NAR treatment reversed these effects of OVX. NAR treatment markedly improved glucose intolerance and lipid profiles as well as leptin, adiponectin, and irisin levels. NAR upregulated markers of browning and mitochondrial biogenesis in inguinal WAT. Moreover, it enhanced markers of mitochondrial fusion and inhibited fission via activating the AMP-activated protein kinase pathway. Similar results were observed in 3T3-L1 adipocytes. Moreover, NAR-induced mitochondrial biogenesis and fusion were suppressed by dorsomorphin (an AMP-activated protein kinase inhibitor). SIGNIFICANCE NAR alleviates obesity and metabolic dysfunction through the induction of WAT browning achieved via the modulation of AMP-activated protein kinase-regulated mitochondrial dynamics in WATs. NAR supplementation may therefore represent a potential intervention for preventing postmenopausal adipose tissue dysregulation.
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Affiliation(s)
- Tong Pan
- Graduate Institute and Department of Pharmacology, National Defense Medical Center, Taipei, Taiwan
| | - Yen-Mei Lee
- Graduate Institute and Department of Pharmacology, National Defense Medical Center, Taipei, Taiwan
| | - Eiki Takimoto
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan; Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Kazutaka Ueda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Pang-Yen Liu
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan; Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
| | - Hsin-Hsueh Shen
- Graduate Institute and Department of Pharmacology, National Defense Medical Center, Taipei, Taiwan
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13
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Dong H, Guo W, Yue R, Sun X, Zhou Z. Nuclear Nicotinamide Adenine Dinucleotide Deficiency by Nmnat1 Deletion Impaired Hepatic Insulin Signaling, Mitochondrial Function, and Hepatokine Expression in Mice Fed a High-Fat Diet. J Transl Med 2024; 104:100329. [PMID: 38237740 PMCID: PMC10957298 DOI: 10.1016/j.labinv.2024.100329] [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: 08/03/2023] [Revised: 12/20/2023] [Accepted: 01/09/2024] [Indexed: 02/12/2024] Open
Abstract
Metabolic syndrome (MetS) is a worldwide challenge that is closely associated with obesity, nonalcoholic liver disease, insulin resistance, and type 2 diabetes. Boosting nicotinamide adenine dinucleotide (NAD+) presents great potential in preventing MetS. However, the function of nuclear NAD+ in the development of MetS remains poorly understood. In this study, hepatocyte-specific Nmnat1 knockout mice were used to determine a possible link between nuclear NAD+ and high-fat diet (HFD)-induced MetS. We found that Nmnat1 knockout significantly reduced hepatic nuclear NAD+ levels but did not exacerbate HFD-induced obesity and hepatic triglycerides accumulation. Interestingly, loss of Nmnat1 caused insulin resistance. Further analysis revealed that Nmnat1 deletion promoted gluconeogenesis but inhibited glycogen synthesis in the liver. Moreover, Nmnat1 deficiency induced mitochondrial dysfunction by decreasing mitochondrial DNA (mtDNA)-encoded complexes Ⅰ and Ⅳ, suppressing mtDNA replication and mtRNA transcription and reducing mtDNA copy number. In addition, Nmnat1 depletion affected the expression of hepatokines in the liver, particularly downregulating the expression of follistatin. These findings highlight the importance of nuclear NAD+ in maintaining insulin sensitivity and provide insights into the mechanisms underlying HFD-induced insulin resistance.
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Affiliation(s)
- Haibo Dong
- Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, North Carolina
| | - Wei Guo
- Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, North Carolina
| | - Ruichao Yue
- Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, North Carolina
| | - Xinguo Sun
- Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, North Carolina
| | - Zhanxiang Zhou
- Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, North Carolina; Department of Nutrition, University of North Carolina at Greensboro, Greensboro, North Carolina.
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14
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Mukhuty A, Mandal S, Fouzder C, Das S, Chattopadhyay D, Majumdar T, Kundu R. Nrf2 inhibition regulates intracellular lipid accumulation in mouse insulinoma cells and improves insulin secretory function. Mol Cell Endocrinol 2024; 581:112112. [PMID: 38000461 DOI: 10.1016/j.mce.2023.112112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/11/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023]
Abstract
High amount of fat in the pancreas is linked to poor functioning of β-cells and raises the risk of type 2 diabetes. Here we report the putative role of a circulatory glycoprotein Fetuin-A, a known obesity marker, in promoting lipid accumulation in β-cells and its association with Fatty acid translocase/CD36 for lipid storage culminate in β-cell dysfunction. Additionally, this work reveals regulation of CD36 via Nrf2, a key regulator of oxidative stress, and reduction of lipid accumulation by suppression of Nrf2 that restores β-cell function. Palmitate (0.50 mM) and Fetuin-A (100 μg/mL) exposure showed high levels of intracellular lipid in MIN6 (mouse insulinoma cells) with a concomitant decrease in insulin secretion. This also increased the expression of important lipogenic factors, like CD36, PGC1α, PPARγ, and SREBP1. Flow cytometry analysis of CD36 membrane localization has been corroborated with an increased accumulation of lipids as indicated by Oil-Red-O staining. Immunoblotting and immunofluorescence of Nrf2 indicated its high expression in palmitate-fetuin-A incubation and translocation in the nucleus. Suppression of Nrf2 by siRNA showed a reduced expression of lipogenic genes, ablation of lipid droplets, decrease in the number of apoptotic cells, and restoration of insulin secretion with a corresponding increase of Pdx1, BETA2, and Ins1 gene expression. Our study thus suggested an important aspect of lipid accumulation in the pancreatic β-cells contributing to β-cell dysfunction and demonstrated the role of Fetuin-A in CD36 expression, with a possible way of restoring β-cell function by targeting Nrf2.
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Affiliation(s)
- Alpana Mukhuty
- Cell Signaling Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan, 731 235, India
| | - Samanwita Mandal
- Cell Signaling Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan, 731 235, India
| | - Chandrani Fouzder
- Cell Signaling Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan, 731 235, India
| | - Snehasis Das
- Cellular and Molecular Endocrinology Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan, 731 235, India
| | - Dipanjan Chattopadhyay
- Cellular and Molecular Endocrinology Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan, 731 235, India
| | - Tanmay Majumdar
- National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Rakesh Kundu
- Cell Signaling Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan, 731 235, India.
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15
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Wang Y, Wang J, Tao SY, Liang Z, Xie R, Liu NN, Deng R, Zhang Y, Deng D, Jiang G. Mitochondrial damage-associated molecular patterns: A new insight into metabolic inflammation in type 2 diabetes mellitus. Diabetes Metab Res Rev 2024; 40:e3733. [PMID: 37823338 DOI: 10.1002/dmrr.3733] [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: 05/04/2023] [Revised: 07/18/2023] [Accepted: 09/08/2023] [Indexed: 10/13/2023]
Abstract
The pathogenesis of diabetes is accompanied by increased levels of inflammatory factors, also known as "metabolic inflammation", which runs through the whole process of the occurrence and development of the disease. Mitochondria, as the key site of glucose and lipid metabolism, is often accompanied by mitochondrial function damage in type 2 diabetes mellitus (T2DM). Damaged mitochondria release pro-inflammatory factors through damage-related molecular patterns that activate inflammation pathways and reactions to oxidative stress, further aggravate metabolic disorders, and form a vicious circle. Currently, the pathogenesis of diabetes is still unclear, and clinical treatment focuses primarily on symptomatic intervention of the internal environment of disorders of glucose and lipid metabolism with limited clinical efficacy. The proinflammatory effect of mitochondrial damage-associated molecular pattern (mtDAMP) in T2DM provides a new research direction for exploring the pathogenesis and intervention targets of T2DM. Therefore, this review covers the most recent findings on the molecular mechanism and related signalling cascades of inflammation caused by mtDAMP in T2DM and discusses its pathogenic role of it in the pathological process of T2DM to search potential intervention targets.
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Affiliation(s)
- Yan Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Jingwu Wang
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Si-Yu Tao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | | | - Rong Xie
- Xinjiang Medical University, Urumqi, China
| | - Nan-Nan Liu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Ruxue Deng
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yuelin Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Deqiang Deng
- Department of Endocrinology, Urumqi Hospital of Traditional Chinese Medicine, Urumqi, China
| | - Guangjian Jiang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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16
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Arif M, Pandey P, Khan F. Review Deciphering the Anticancer Efficacy of Resveratrol and their Associated Mechanisms in Human Carcinoma. Endocr Metab Immune Disord Drug Targets 2024; 24:1015-1026. [PMID: 37929735 DOI: 10.2174/0118715303251351231018145903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 09/14/2023] [Accepted: 09/20/2023] [Indexed: 11/07/2023]
Abstract
The scientific world has recently shown wider attention to elucidating the anticancerous potential of numerous plant-based bioactive compounds. Many research studies have suggested that consuming foods high in polyphenols, which are present in large amounts in grains, legumes, vegetables, and fruits, may delay the onset of various illnesses, including cancer. Normal cells with genetic abnormalities begin the meticulously organized path leading to cancer, which causes the cells to constantly multiply, colonize, and metastasize to other organs like the liver, lungs, colon, and brain. Resveratrol is a naturally occurring stilbene and non-flavonoid polyphenol, a phytoestrogen with antioxidant, anti-inflammatory, cardioprotective, and anticancer properties. Resveratrol makes cancer cells more susceptible to common chemotherapeutic treatments by reversing multidrug resistance in cancer cells. This is especially true when combined with clinically used medications. Several new resveratrol analogs with enhanced anticancer effectiveness, absorption, and pharmacokinetic profile have been discovered. The present emphasis of this review is the modulation of intracellular molecular targets by resveratrol in vivo and in vitro in various malignancies. This review would help future researchers develop a potent lead candidate for efficiently managing human cancers.
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Affiliation(s)
- Mohd Arif
- Department of Biotechnology, Noida Institute of Engineering and Technology, Greater Noida, U.P., India
| | - Pratibha Pandey
- Department of Biotechnology, Noida Institute of Engineering and Technology, Greater Noida, U.P., India
| | - Fahad Khan
- Department of Biotechnology, Noida Institute of Engineering and Technology, Greater Noida, U.P., India
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17
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Dlamini M, Khathi A. Prediabetes-Associated Changes in Skeletal Muscle Function and Their Possible Links with Diabetes: A Literature Review. Int J Mol Sci 2023; 25:469. [PMID: 38203642 PMCID: PMC10778616 DOI: 10.3390/ijms25010469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
The skeletal muscle plays a critical role in regulating systemic blood glucose homeostasis. Impaired skeletal muscle glucose homeostasis associated with type 2 diabetes mellitus (T2DM) has been observed to significantly affect the whole-body glucose homeostasis, thereby resulting in other diabetic complications. T2DM does not only affect skeletal muscle glucose homeostasis, but it also affects skeletal muscle structure and functional capacity. Given that T2DM is a global health burden, there is an urgent need to develop therapeutic medical therapies that will aid in the management of T2DM. Prediabetes (PreDM) is a prominent risk factor of T2DM that usually goes unnoticed in many individuals as it is an asymptomatic condition. Hence, research on PreDM is essential because establishing diabetic biomarkers during the prediabetic state would aid in preventing the development of T2DM, as PreDM is a reversible condition if it is detected in the early stages. The literature predominantly documents the changes in skeletal muscle during T2DM, but the changes in skeletal muscle during prediabetes are not well elucidated. In this review, we seek to review the existing literature on PreDM- and T2DM-associated changes in skeletal muscle function.
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Affiliation(s)
| | - Andile Khathi
- Department of Human Physiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban X54001, South Africa;
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18
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Tam E, Sweeney G. MitoNEET Provides Cardioprotection via Reducing Oxidative Damage and Conserving Mitochondrial Function. Int J Mol Sci 2023; 25:480. [PMID: 38203651 PMCID: PMC10779211 DOI: 10.3390/ijms25010480] [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: 12/01/2023] [Revised: 12/21/2023] [Accepted: 12/24/2023] [Indexed: 01/12/2024] Open
Abstract
Cardiometabolic diseases exert a significant health impact, leading to a considerable economic burden globally. The metabolic syndrome, characterized by a well-defined cluster of clinical parameters, is closely linked to an elevated risk of cardiovascular disease. Current treatment strategies often focus on addressing individual aspects of metabolic syndrome. We propose that exploring novel therapeutic approaches that simultaneously target multiple facets may prove more effective in alleviating the burden of cardiometabolic disease. There is a growing body of evidence suggesting that mitochondria can serve as a pivotal target for the development of therapeutics aimed at resolving both metabolic and vascular dysfunction. MitoNEET was identified as a binding target for the thiazolidinedione (TZD) class of antidiabetic drugs and is now recognized for its role in regulating various crucial cellular processes. Indeed, mitoNEET has demonstrated promising potential as a therapeutic target in various chronic diseases, encompassing cardiovascular and metabolic diseases. In this review, we present a thorough overview of the molecular mechanisms of mitoNEET, with an emphasis on their implications for cardiometabolic diseases in more recent years. Furthermore, we explore the potential impact of these findings on the development of novel therapeutic strategies and discuss potential directions for future research.
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Affiliation(s)
| | - Gary Sweeney
- Department of Biology, York University, Toronto, ON M3J 1P3, Canada
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19
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Pearah A, Ramatchandirin B, Liu T, Wolf RM, Ikeda A, Radovick S, Sesaki H, Wondisford FE, O'Rourke B, He L. Blocking AMPKαS496 phosphorylation improves mitochondrial dynamics and hyperglycemia in aging and obesity. Cell Chem Biol 2023; 30:1585-1600.e6. [PMID: 37890479 PMCID: PMC10841824 DOI: 10.1016/j.chembiol.2023.09.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 08/23/2023] [Accepted: 09/28/2023] [Indexed: 10/29/2023]
Abstract
Impaired mitochondrial dynamics causes aging-related or metabolic diseases. Yet, the molecular mechanism responsible for the impairment of mitochondrial dynamics is still not well understood. Here, we report that elevated blood insulin and/or glucagon levels downregulate mitochondrial fission through directly phosphorylating AMPKα at S496 by AKT or PKA, resulting in the impairment of AMPK-MFF-DRP1 signaling and mitochondrial dynamics and activity. Since there are significantly increased AMPKα1 phosphorylation at S496 in the liver of elderly mice, obese mice, and obese patients, we, therefore, designed AMPK-specific targeting peptides (Pa496m and Pa496h) to block AMPKα1S496 phosphorylation and found that these targeting peptides can increase AMPK kinase activity, augment mitochondrial fission and oxidation, and reduce ROS, leading to the rejuvenation of mitochondria. Furthermore, these AMPK targeting peptides robustly suppress liver glucose production in obese mice. Our data suggest these targeting peptides are promising therapeutic agents for improving mitochondrial dynamics and activity and alleviating hyperglycemia in elderly and obese patients.
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Affiliation(s)
- Alexia Pearah
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | | | - Ting Liu
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Risa M Wolf
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Arisa Ikeda
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Sally Radovick
- Departments of Pediatrics and Medicine, Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ 08901, USA
| | - Hiromi Sesaki
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Fredric E Wondisford
- Departments of Pediatrics and Medicine, Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ 08901, USA
| | - Brian O'Rourke
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Ling He
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; Departments of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.
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20
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Simon Machado R, Mathias K, Joaquim L, Willig de Quadros R, Petronilho F, Tezza Rezin G. From diabetic hyperglycemia to cerebrovascular Damage: A narrative review. Brain Res 2023; 1821:148611. [PMID: 37793604 DOI: 10.1016/j.brainres.2023.148611] [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: 07/13/2023] [Revised: 09/04/2023] [Accepted: 09/28/2023] [Indexed: 10/06/2023]
Abstract
Diabetes mellitus is a globally significant disease that can lead to systemic complications, particularly vascular damage, including cardiovascular and cerebrovascular diseases of relevance. The physiological changes resulting from the imbalance in blood glucose levels play a crucial role in initiating vascular endothelial damage. Elevated glucose levels can also penetrate the central nervous system, triggering diabetic encephalopathy characterized by oxidative damage to brain components and activation of alternative and neurotoxic pathways. This brain damage increases the risk of ischemic stroke, a leading cause of mortality worldwide and a major cause of disability among surviving patients. The aim of this review is to highlight important pathways related to hyperglycemic damage that extend to the brain and result in vascular dysfunction, ultimately leading to the occurrence of a stroke. Understanding how diabetes mellitus contributes to the development of ischemic stroke and its impact on patient outcomes is crucial for implementing therapeutic strategies that reduce the incidence of diabetes mellitus and its complications, ultimately decreasing morbidity and mortality associated with the disease.
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Affiliation(s)
- Richard Simon Machado
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil; Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, SC, Brazil.
| | - Khiany Mathias
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Larissa Joaquim
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Rafaella Willig de Quadros
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Fabricia Petronilho
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Gislaine Tezza Rezin
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, SC, Brazil
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21
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Chen X, Zhang L, Chai W, Tian P, Kim J, Ding J, Zhang H, Liu C, Wang D, Cui X, Pan H. Hypoxic Microenvironment Reconstruction with Synergistic Biofunctional Ions Promotes Diabetic Wound Healing. Adv Healthc Mater 2023; 12:e2301984. [PMID: 37740829 DOI: 10.1002/adhm.202301984] [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: 06/22/2023] [Revised: 09/14/2023] [Indexed: 09/25/2023]
Abstract
Chronic hypoxia and ischemia make diabetic wounds non-healing. Cellular functions of diabetic chronic wounds are inhibited under a pathological environment. Therefore, this work develops a composite hydrogel system to promote diabetic wound healing. The composite hydrogel system consists of ε-poly-lysine (EPL), calcium peroxide (CP), and borosilicate glass (BG). The hydrogel supplies continuous dissolved oxygen molecules to the wound that can penetrate the skin tissue to restore normal cellular function and promote vascular regeneration. Biofunctional ions released from BGs can recruit more macrophages through neovascularization and modulate macrophage phenotypic transformation. Combining oxygen-mediated vascular regeneration and ion-mediated inflammatory regulation significantly accelerated diabetic wound healing. These findings indicate that this composite hydrogel system holds promise as a novel tissue engineering material.
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Affiliation(s)
- Xiaochen Chen
- School of materials science and engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Liyan Zhang
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Wenwen Chai
- School of materials science and engineering, Tongji University, Shanghai, 201804, P. R. China
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Pengfei Tian
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Jua Kim
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Jingxin Ding
- School of materials science and engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Hao Zhang
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Chunyu Liu
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Deping Wang
- School of materials science and engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Xu Cui
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Haobo Pan
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Shenzhen Healthemes Biotechnology Co., Ltd, Shenzhen, 518071, P. R. China
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22
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Carta G, Murru E, Trinchese G, Cavaliere G, Manca C, Mollica MP, Banni S. Reducing Dietary Polyunsaturated to Saturated Fatty Acids Ratio Improves Lipid and Glucose Metabolism in Obese Zucker Rats. Nutrients 2023; 15:4761. [PMID: 38004155 PMCID: PMC10674282 DOI: 10.3390/nu15224761] [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: 10/20/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
We investigated the influence of varying dietary polyunsaturated fatty acid (PUFA)/saturated fatty acids (SFA) ratios on insulin resistance (IR), fatty acid metabolism, N-acylethanolamine (NAE) bioactive metabolite levels, and mitochondrial function in lean and obese Zucker rats in a model designed to study obesity and IR from overnutrition. We provided diets with 7% fat (w/w), with either a low PUFA/SFA ratio of 0.48, predominantly comprising palmitic acid (PA), (diet-PA), or the standard AIN-93G diet with a high PUFA/SFA ratio of 3.66 (control, diet-C) over eight weeks. In obese rats on diet-PA versus diet-C, there were reductions in plasma triglycerides, cholesterol, glucose, insulin concentrations and improved muscle mitochondrial function, inflammatory markers and increased muscle N-oleoylethanolamine (OEA), a bioactive lipid that modulates lipid metabolism and metabolic flexibility. Elevated palmitic acid levels were found exclusively in obese rats, regardless of their diet, implying an endogenous production through de novo lipogenesis rather than from a dietary origin. In conclusion, a reduced dietary PUFA/SFA ratio positively influenced glucose and lipid metabolism without affecting long-term PA tissue concentrations. This likely occurs due to an increase in OEA biosynthesis, improving metabolic flexibility in obese rats. Our results hint at a pivotal role for balanced dietary PA in countering the effects of overnutrition-induced obesity.
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Affiliation(s)
- Gianfranca Carta
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (E.M.); (C.M.); (S.B.)
| | - Elisabetta Murru
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (E.M.); (C.M.); (S.B.)
| | - Giovanna Trinchese
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (G.T.); (M.P.M.)
| | - Gina Cavaliere
- Department of Pharmaceutical Sciences, University of Perugia, 06126 Perugia, Italy;
| | - Claudia Manca
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (E.M.); (C.M.); (S.B.)
| | - Maria Pina Mollica
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (G.T.); (M.P.M.)
| | - Sebastiano Banni
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato, Italy; (E.M.); (C.M.); (S.B.)
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23
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de María Márquez Álvarez C, Gómez-Crisóstomo NP, De la Cruz-Hernández EN, Zazueta C, Aguilar-Gamas CF, Martínez-Abundis E. Differential disruption on glucose and insulin metabolism in two rat models of diet-induced obesity, based on carbohydrates or lipids. Mol Cell Biochem 2023; 478:2481-2488. [PMID: 36867342 DOI: 10.1007/s11010-023-04677-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 02/13/2023] [Indexed: 03/04/2023]
Abstract
Obesity is a relevant health public issue and is the main factor for glucose metabolism dysregulation and diabetes progression; however, the differential role of a high-fat diet or high sugar diet consumption on glucose metabolism and insulin processing is not well understood and has been scarcely described. Our research aimed to analyze the effects of chronic consumption of both high sucrose and high-fat diets on glucose and insulin metabolism regulation. Wistar rats were fed with high-sugar or high-fat diets for 12 months; after that, fasting glucose and insulin levels were measured along with a glucose tolerance test (GTT). Proteins related to insulin synthesis and secretion were quantified in pancreas homogenates, whereas islets were isolated to analyze ROS generation and size measurement. Our results show that both diets induce metabolic syndrome, linked with central obesity, hyperglycemia, and insulin resistance. We observed alterations in the expression of proteins related with insulin synthesis and secretion, along with diminution of Langerhans islets size. Interestingly, the severity and number of alterations were more evident in the high-sugar diet than in the high-fat diet group. In conclusion, obesity and glucose metabolism dysregulation induced by carbohydrate consumption, led to worst outcomes than high-fat diet.
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Affiliation(s)
- Corazón de María Márquez Álvarez
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México
| | - Nancy Patricia Gómez-Crisóstomo
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México
| | - Erick Natividad De la Cruz-Hernández
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México
| | - Cecilia Zazueta
- Departamento de Biomedicina Cardiovascular, Instituto Nacional de Cardiología, I. Ch. 14080, CDMX, México
| | - Carlos Francisco Aguilar-Gamas
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México
| | - Eduardo Martínez-Abundis
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México.
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24
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Ross RC, Heintz EC, Zunica ERM, Townsend RL, Spence AE, Schauer PR, Kirwan JP, Axelrod CL, Albaugh VL. Bariatric surgery alters mitochondrial function in gut mucosa. Surg Endosc 2023; 37:8810-8817. [PMID: 37620650 PMCID: PMC10865135 DOI: 10.1007/s00464-023-10351-z] [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: 05/01/2023] [Accepted: 07/30/2023] [Indexed: 08/26/2023]
Abstract
BACKGROUND The obesity pandemic has worsened global disease burden, including type 2 diabetes, cardiovascular disease, and cancer. Metabolic/bariatric surgery (MBS) is the most effective and durable obesity treatment, but the mechanisms underlying its long-term weight loss efficacy remain unclear. MBS drives substrate oxidation that has been linked to improvements in metabolic function and improved glycemic control that are potentially mediated by mitochondria-a primary site of energy production. As such, augmentation of intestinal mitochondrial function may drive processes underlying the systemic metabolic benefits of MBS. Herein, we applied a highly sensitive technique to evaluate intestinal mitochondrial function ex vivo in a mouse model of MBS. METHODS Mice were randomized to surgery, sham, or non-operative control. A simplified model of MBS, ileal interposition, was performed by interposition of a 2-cm segment of terminal ileum into the proximal bowel 5 mm from the ligament of Treitz. After a four-week recovery period, intestinal mucosa of duodenum, jejunum, ileum, and interposed ileum were assayed for determination of mitochondrial respiratory function. Citrate synthase activity was measured as a marker of mitochondrial content. RESULTS Ileal interposition was well tolerated and associated with modest body weight loss and transient hypophagia relative to controls. Mitochondrial capacity declined in the native duodenum and jejunum of animals following ileal interposition relative to controls, although respiration remained unchanged in these segments. Similarly, ileal interposition lowered citrate synthase activity in the duodenum and jejunum following relative to controls but ileal function remained constant across all groups. CONCLUSION Ileal interposition decreases mitochondrial volume in the proximal intestinal mucosa of mice. This change in concentration with preserved respiration suggests a global mucosal response to segment specific nutrition signals in the distal bowel. Future studies are required to understand the causes underlying these mitochondrial changes.
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Affiliation(s)
- Robert C Ross
- Translational & Integrative Gastrointestinal & Endocrine Research (TIGER) Laboratory, Pennington Biomedical Research Center, Louisiana State University, 6400 Perkins Rd, Baton Rouge, LA, USA
| | - Elizabeth C Heintz
- Integrated Physiology & Molecular Medicine Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - Elizabeth R M Zunica
- Integrated Physiology & Molecular Medicine Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - R Leigh Townsend
- Translational & Integrative Gastrointestinal & Endocrine Research (TIGER) Laboratory, Pennington Biomedical Research Center, Louisiana State University, 6400 Perkins Rd, Baton Rouge, LA, USA
| | - Amanda E Spence
- Translational & Integrative Gastrointestinal & Endocrine Research (TIGER) Laboratory, Pennington Biomedical Research Center, Louisiana State University, 6400 Perkins Rd, Baton Rouge, LA, USA
| | - Philip R Schauer
- Pennington Biomedical Research Center, Metamor Institute, Louisiana State University, Baton Rouge, LA, USA
- Department of Surgery, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - John P Kirwan
- Integrated Physiology & Molecular Medicine Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - Christopher L Axelrod
- Integrated Physiology & Molecular Medicine Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - Vance L Albaugh
- Translational & Integrative Gastrointestinal & Endocrine Research (TIGER) Laboratory, Pennington Biomedical Research Center, Louisiana State University, 6400 Perkins Rd, Baton Rouge, LA, USA.
- Pennington Biomedical Research Center, Metamor Institute, Louisiana State University, Baton Rouge, LA, USA.
- Department of Surgery, Louisiana State University Health Sciences Center, New Orleans, LA, USA.
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25
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Jhuo JY, Tong ZJ, Ku PH, Cheng HW, Wang HT. Acrolein induces mitochondrial dysfunction and insulin resistance in muscle and adipose tissues in vitro and in vivo. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122380. [PMID: 37625774 DOI: 10.1016/j.envpol.2023.122380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 08/05/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023]
Abstract
Type 2 diabetes mellitus (DM) is a common chronic condition characterized by persistent hyperglycemia and is associated with insulin resistance (IR) in critical glucose-consuming tissues, including skeletal muscle and adipose tissue. Oxidative stress and mitochondrial dysfunction are known to play key roles in IR. Acrolein is a reactive aldehyde found in the diet and environment that is generated as a fatty acid product through the glucose autooxidation process under hyperglycemic conditions. Our previous studies have shown that acrolein impairs insulin sensitivity in normal and diabetic mice, and this effect can be reversed by scavenging acrolein. This study demonstrated that acrolein increased oxidative stress and inhibited mitochondrial respiration in differentiated C2C12 myotubes and differentiated 3T3-L1 adipocytes. As a result, insulin signaling pathways were inhibited, leading to reduced glucose uptake. Treatment with acrolein scavengers, N-acetylcysteine, or carnosine ameliorated mitochondrial dysfunction and inhibited insulin signaling. Additionally, an increase in acrolein expression correlated with mitochondrial dysfunction in the muscle and adipose tissues of diabetic mice. These findings suggest that acrolein-induced mitochondrial dysfunction contributes to IR, and scavenging acrolein is a potential therapeutic approach for treating IR.
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Affiliation(s)
- Jia-Yu Jhuo
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Zhen-Jie Tong
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Pei-Hsuan Ku
- Department of Life Sciences and the Institute of Genome Science, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Hsiao-Wei Cheng
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Hsiang-Tsui Wang
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC; Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC; Doctor Degree Program in Toxicology, Kaohsiung Medical University, Kaohsiung, Taiwan.
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26
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Butt MA, Shafique HM, Mustafa M, Moghul NB, Munir A, Shamas U, Tabassum S, Kiyani MM. Therapeutic Potential of Selenium Nanoparticles on Letrozole-Induced Polycystic Ovarian Syndrome in Female Wistar Rats. Biol Trace Elem Res 2023; 201:5213-5229. [PMID: 36694071 DOI: 10.1007/s12011-023-03579-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/18/2023] [Indexed: 01/26/2023]
Abstract
Polycystic ovarian syndrome (PCOS) is considered the most frequent gynecological endocrine disorder that causes anovulatory infertility. The current study aimed to investigate the potential significance of selenium nanoparticles (SeNPs), an IL-1 inhibitor, in the treatment of letrozole-induced PCOS in rats that satisfied the metabolic and endocrine parameters found in PCOS patients. Letrozole (2 ppm, per orally, p.o.) was given orally to female Wistar rats for 21 days to develop PCOS. After PCOS induction, rats were given SeNPs (25 ppm/day, p.o.), SeNPs (50 ppm/day, p.o.), or metformin (2 ppm/day, p.o.) for 14 days. PCOS was associated with an increase in body weight, ovarian weight, ovarian size, and cysts, as well as an increase in blood testosterone, luteinizing hormone (LH), and insulin, glycaemia, and lipid profile levels. The SeNP administration decreased all of these variables. Furthermore, SeNPs significantly reduced letrozole-induced oxidative stress in the ovaries, muscles, and liver by decreasing elevated levels of malondialdehyde and total nitrite while raising suppressed levels of superoxide dismutase and catalase. SeNPs increased the amounts of the protective proteins Kelch-like ECH-associated protein 1 (Keap-1), nuclear factor erythroid 2-related factor 2 (Nrf2), and OH-1. It was depicted from the study that SeNPs reduce the upregulation of inflammatory cytokines that are interleukin 6 (IL-6), tumour necrosis factor α (TNF-α), and the interleukin 1 (IL-1). Our findings show that SeNPs, through their antioxidant and anti-inflammatory characteristics, alleviate letrozole-induced PCOS.
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Affiliation(s)
- Maisra Azhar Butt
- Department of Bioinformatics and Biotechnology, International Islamic University, Islamabad, Pakistan
| | | | | | - Nurain Baig Moghul
- Rawal Institute of Health Sciences, Shaheed Zulfiqar Ali Bhutto Medical University (SZABMU), Islamabad, Pakistan
| | - Anum Munir
- Department of Bioinformatics and Biotechnology, International Islamic University, Islamabad, Pakistan
| | - Urwah Shamas
- Department of Biological Sciences, Quaid-I-Azam University, Islamabad, Pakistan
| | - Sobia Tabassum
- Department of Bioinformatics and Biotechnology, International Islamic University, Islamabad, Pakistan
| | - Mubin Mustafa Kiyani
- Shifa College of Medical Technology, Shifa Tameer-E-Millat University, Islamabad, Pakistan.
- Shifa International Hospitals Ltd، Gate No, Islamabad Capital Territory, 1، 4 Pitras Bukhari Rd, H 8/4 H-8, Islamabad, Pakistan.
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27
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Paliwal S, Jain S, Mudgal P, Verma K, Paliwal S, Sharma S. Mitochondrial transfer restores impaired liver functions by AMPK/ mTOR/PI3K-AKT pathways in metabolic syndrome. Life Sci 2023; 332:122116. [PMID: 37739165 DOI: 10.1016/j.lfs.2023.122116] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 09/19/2023] [Accepted: 09/19/2023] [Indexed: 09/24/2023]
Abstract
AIM We investigated the effect of mitochondria transfer in high fat diet and streptozotocin (HFD + STZ) induced metabolic syndrome (MeS) in rats. The effect of mitochondria transfer in MeS with co-existing hypertension, hyperlipidaemia, diabetes and fatty liver together, has not been reported. MATERIALS AND METHODS Heathy mitochondria was transferred intravenously and the effect on several physiological parameters and biochemical parameters were examined in HFD + STZ rats. In addition, RNA-sequencing of healthy liver tissues was performed to elucidate the molecular pathways affected by mitochondria transfer in restoring metabolic health. KEY FINDINGS We observed reduction in both systolic and diastolic blood pressure levels, reduced blood glucose levels, and a marked reduction in serum lipid profiles. The levels of alanine transaminase (ALT) and aspartate transaminase (AST) also improved along with evident restoration of liver morphology demonstrated by histopathological analysis. Enhanced mitochondrial biogenetics and reduction in oxidative stress and inflammatory markers was also observed. The pathway enrichment analysis revealed reduction in insulin resistance, inflammatory markers, regulation of mitochondrial bioenergetics, calcium ion homeostasis, fatty-acid β-oxidation, cytokine immune regulators, and enhanced lipid solubilisation. The significant effect of healthy mitochondria transfer in restoration of metabolic functions was observed by the activation of PI3K-AKT, AMPK/mTOR pathways and cytokine immune regulators, suggesting that inflammatory mediators were also significantly affected after mitochondria transfer. SIGNIFICANCE This study, provides insights on molecular processes triggered by mitochondria transfer in fatty liver regeneration and improvement of overall metabolic health.
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Affiliation(s)
- Swati Paliwal
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Rajasthan 304022, India.
| | - Smita Jain
- Department of Pharmacy, Banasthali Vidyapith, Rajasthan 304022, India
| | - Pallavi Mudgal
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Rajasthan 304022, India
| | - Kanika Verma
- Department of Pharmacy, Banasthali Vidyapith, Rajasthan 304022, India
| | - Sarvesh Paliwal
- Department of Pharmacy, Banasthali Vidyapith, Rajasthan 304022, India
| | - Swapnil Sharma
- Department of Pharmacy, Banasthali Vidyapith, Rajasthan 304022, India
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28
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Zhou X, Zhang J, Sun Y, Shen J, Sun B, Ma Q. Glutamine Ameliorates Liver Steatosis via Regulation of Glycolipid Metabolism and Gut Microbiota in High-Fat Diet-Induced Obese Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:15656-15667. [PMID: 37847053 DOI: 10.1021/acs.jafc.3c05566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
Obesity and its associated conditions, such as nonalcoholic fatty liver disease (NAFLD), are risk factors for health. The aim of this study was to explore the effects of glutamine (Gln) on liver steatosis induced by a high-fat diet (HFD) and HEPG2 cells induced by oleic acid. Gln demonstrated a positive influence on hepatic homeostasis by suppressing acetyl CoA carboxylase (ACC) and fatty acid synthase (FAS) and promoting sirtuin 1 (SIRT1) expression while improving glucose metabolism by regulating serine/threonine protein kinase (AKT)/factor forkhead box O1 (FOXO1) signals in vivo and in vitro. Obese Gln-fed mice had higher colonic short-chain fatty acid (SCFA) contents and lower inflammation factor protein levels in the liver, HEPG2 cells, and jejunum. Gln-treated obese mice had an effective decrease in Firmicutes abundance. These findings indicate that Gln serves as a nutritional tool in managing obesity and related disorders.
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Affiliation(s)
- Xinbo Zhou
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Junjie Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yutong Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jian Shen
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Bo Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Qingquan Ma
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
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29
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Dariya B, Girish BP, Merchant N, Srilatha M, Nagaraju GP. Resveratrol: biology, metabolism, and detrimental role on the tumor microenvironment of colorectal cancer. Nutr Rev 2023:nuad133. [PMID: 37862428 DOI: 10.1093/nutrit/nuad133] [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] [Indexed: 10/22/2023] Open
Abstract
A substantial increase in colorectal cancer (CRC)-associated fatalities can be attributed to tumor recurrence and multidrug resistance. Traditional treatment options, including radio- and chemotherapy, also exhibit adverse side effects. Ancient treatment strategies that include phytochemicals like resveratrol are now widely encouraged as an alternative therapeutic option. Resveratrol is the natural polyphenolic stilbene in vegetables and fruits like grapes and apples. It inhibits CRC progression via targeting dysregulated cancer-promoting pathways, including PI3K/Akt/Kras, targeting transcription factors like NF-κB and STAT3, and an immunosuppressive tumor microenvironment. In addition, combination therapies for cancer include resveratrol as an adjuvant to decrease multidrug resistance that develops in CRC cells. The current review discusses the biology of resveratrol and explores different mechanisms of action of resveratrol in inhibiting CRC progression. Further, the detrimental role of resveratrol on the immunosuppressive tumor microenvironment of CRC has been discussed. This review illustrates clinical trials on resveratrol in different cancers, including resveratrol analogs, and their efficiency in promoting CRC inhibition.
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Affiliation(s)
- Begum Dariya
- Center for Drug Design, University of Minnesota, Minneapolis, Minnesota, USA
| | - Bala Prabhakar Girish
- Nanotechnology Laboratory, Institute of Frontier Technology, Acharya N.G. Ranga Agricultural University, Tirupati, Andhra Pradesh, India
| | - Neha Merchant
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Banasthali, Rajasthan, India
| | - Mundla Srilatha
- Department of Biotechnology, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
| | - Ganji Purnachandra Nagaraju
- Department of Hematology and Oncology, Heersink School of Medicine, University of Alabama, Birmingham, Alabama, USA
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30
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Yin L, Qi S, Zhu Z. Advances in mitochondria-centered mechanism behind the roles of androgens and androgen receptor in the regulation of glucose and lipid metabolism. Front Endocrinol (Lausanne) 2023; 14:1267170. [PMID: 37900128 PMCID: PMC10613047 DOI: 10.3389/fendo.2023.1267170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 09/28/2023] [Indexed: 10/31/2023] Open
Abstract
An increasing number of studies have reported that androgens and androgen receptors (AR) play important roles in the regulation of glucose and lipid metabolism. Impaired glucose and lipid metabolism and the development of obesity-related diseases have been found in either hypogonadal men or male rodents with androgen deficiency. Exogenous androgens supplementation can effectively improve these disorders, but the mechanism by which androgens regulate glucose and lipid metabolism has not been fully elucidated. Mitochondria, as powerhouses within cells, are key organelles influencing glucose and lipid metabolism. Evidence from both pre-clinical and clinical studies has reported that the regulation of glucose and lipid metabolism by androgens/AR is strongly associated with the impact on the content and function of mitochondria, but few studies have systematically reported the regulatory effect and the molecular mechanism. In this paper, we review the effect of androgens/AR on mitochondrial content, morphology, quality control system, and function, with emphases on molecular mechanisms. Additionally, we discuss the sex-dimorphic effect of androgens on mitochondria. This paper provides a theoretical basis for shedding light on the influence and mechanism of androgens on glucose and lipid metabolism and highlights the mitochondria-based explanation for the sex-dimorphic effect of androgens on glucose and lipid metabolism.
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Affiliation(s)
- Lijun Yin
- School of Sport, Shenzhen University, Shenzhen, China
| | - Shuo Qi
- School of Sport Health, Shandong Sport University, Jinan, China
| | - Zhiqiang Zhu
- School of Sport, Shenzhen University, Shenzhen, China
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31
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Shannon CE, Ní Chathail MB, Mullin SM, Meehan A, McGillicuddy FC, Roche HM. Precision nutrition for targeting pathophysiology of cardiometabolic phenotypes. Rev Endocr Metab Disord 2023; 24:921-936. [PMID: 37402955 PMCID: PMC10492734 DOI: 10.1007/s11154-023-09821-5] [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] [Accepted: 06/22/2023] [Indexed: 07/06/2023]
Abstract
Obesity is a heterogenous disease accompanied by a broad spectrum of cardiometabolic risk profiles. Traditional paradigms for dietary weight management do not address biological heterogeneity between individuals and have catastrophically failed to combat the global pandemic of obesity-related diseases. Nutritional strategies that extend beyond basic weight management to instead target patient-specific pathophysiology are warranted. In this narrative review, we provide an overview of the tissue-level pathophysiological processes that drive patient heterogeneity to shape distinct cardiometabolic phenotypes in obesity. Specifically, we discuss how divergent physiology and postprandial phenotypes can reveal key metabolic defects within adipose, liver, or skeletal muscle, as well as the integrative involvement of the gut microbiome and the innate immune system. Finally, we highlight potential precision nutritional approaches to target these pathways and discuss recent translational evidence concerning the efficacy of such tailored dietary interventions for different obesity phenotypes, to optimise cardiometabolic benefits.
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Affiliation(s)
- Christopher E Shannon
- Nutrigenomics Research Group, UCD Conway Institute, and Institute of Food and Health, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland
- School of Medicine, University College Dublin, Dublin, Republic of Ireland
- Division of Diabetes, Department of Medicine, UT Health San Antonio, San Antonio, TX, USA
| | - Méabh B Ní Chathail
- Nutrigenomics Research Group, UCD Conway Institute, and Institute of Food and Health, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland
| | - Sinéad M Mullin
- Nutrigenomics Research Group, UCD Conway Institute, and Institute of Food and Health, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland
| | - Andrew Meehan
- School of Medicine, University College Dublin, Dublin, Republic of Ireland
| | | | - Helen M Roche
- Nutrigenomics Research Group, UCD Conway Institute, and Institute of Food and Health, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland.
- Institute for Global Food Security, Queen's University Belfast, Belfast, Northern Ireland.
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32
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Bhattacharya D, Slavin MB, Hood DA. Muscle mitochondrial transplantation can rescue and maintain cellular homeostasis. Am J Physiol Cell Physiol 2023; 325:C862-C884. [PMID: 37575060 DOI: 10.1152/ajpcell.00212.2023] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/19/2023] [Accepted: 07/19/2023] [Indexed: 08/15/2023]
Abstract
Mitochondria control cellular functions through their metabolic role. Recent research that has gained considerable attention is their ability to transfer between cells. This has the potential of improving cellular functions in pathological or energy-deficit conditions, but little is known about the role of mitochondrial transfer in sustaining cellular homeostasis. Few studies have investigated the potential of skeletal muscle as a source of healthy mitochondria that can be transferred to other cell types. Thus, we isolated intermyofibrillar mitochondria from murine skeletal muscle and incubated them with host cells. We observed dose- and time-dependent increases in mitochondrial incorporation into myoblasts. This resulted in elongated mitochondrial networks and an enhancement of bioenergetic profile of the host cells. Mitochondrial donation also rejuvenated the functional capacities of the myoblasts when respiration efficiency and lysosomal function were inhibited by complex I inhibitor rotenone and bafilomycin A, respectively. Mitochondrial transfer was accomplished via tunneling nanotubes, extracellular vesicles, gap junctions, and by macropinocytosis internalization. Murine muscle mitochondria were also effectively transferred to human fibroblast cells having mitochondrial DNA mutations, resulting in augmented mitochondrial dynamics and metabolic functions. This improved cell function by diminishing reactive oxygen species (ROS) emission in the diseased cells. Our findings suggest that mitochondria from donor skeletal muscle can be integrated in both healthy and functionally compromised host cells leading to mitochondrial structural refinement and respiratory boost. This mitochondrial trafficking and bioenergetic reprogramming to maintain and revitalize tissue homeostasis could be a useful therapeutic strategy in treating diseases.NEW & NOTEWORTHY In our study, we have shown the potential of mouse skeletal muscle intermyofibrillar mitochondria to be transplanted in myoblasts and human fibroblast cells having mitochondrial DNA mutations. This resulted in an augmentation of mitochondrial dynamics and enhancement of bioenergetic profile in the host cells. Our findings suggest that mitochondria from donor skeletal muscle can be integrated into both healthy and functionally compromised host cells leading to mitochondrial structural refinement and respiratory boost.
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Affiliation(s)
- Debasmita Bhattacharya
- Muscle Health Research Center, School of Kinesiology and Health Science, York University, Toronto, Ontario, Canada
| | - Mikhaela B Slavin
- Muscle Health Research Center, School of Kinesiology and Health Science, York University, Toronto, Ontario, Canada
| | - David A Hood
- Muscle Health Research Center, School of Kinesiology and Health Science, York University, Toronto, Ontario, Canada
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33
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Lin D, Yu J, Lin L, Ou Q, Quan H. MRPS6 modulates glucose-stimulated insulin secretion in mouse islet cells through mitochondrial unfolded protein response. Sci Rep 2023; 13:16173. [PMID: 37758822 PMCID: PMC10533529 DOI: 10.1038/s41598-023-43438-7] [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: 05/13/2023] [Accepted: 09/24/2023] [Indexed: 09/29/2023] Open
Abstract
Lack of efficient insulin secretion from the pancreas can lead to impaired glucose tolerance (IGT), prediabetes, and diabetes. We have previously identified two IGT-associated single nucleotide polymorphisms (SNPs) rs62212118 and rs13052524 located at two overlapping genes: MRPS6 and SLC5A3. In this study, we show that MRPS6 but not SLC5A3 regulates glucose-stimulated insulin secretion (GSIS) in primary human β-cell and a mouse pancreatic insulinoma β-cell line. Data mining and biochemical studies reveal that MRPS6 is positively regulated by the mitochondrial unfolded protein response (UPRmt), but feedback inhibits UPRmt. Disruption of such feedback by MRPS6 knockdown causes UPRmt hyperactivation in high glucose conditions, hence elevated ROS levels, increased apoptosis, and impaired GSIS. Conversely, MRPS6 overexpression reduces UPRmt, mitigates high glucose-induced ROS levels and apoptosis, and enhances GSIS in an ATF5-dependent manner. Consistently, UPRmt up-regulation or down-regulation by modulating ATF5 expression is sufficient to decrease or increase GSIS. The negative role of UPRmt in GSIS is further supported by analysis of public transcriptomic data from murine islets. In all, our studies identify MRPS6 and UPRmt as novel modulators of GSIS and apoptosis in β-cells, contributing to our understanding of the molecular and cellular mechanisms of IGT, prediabetes, and diabetes.
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Affiliation(s)
- Danhong Lin
- Department of Endocrinology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, No.19 Xiuhua Road, Haikou, 570311, Hainan, China
| | - Jingwen Yu
- Department of Endocrinology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, No.19 Xiuhua Road, Haikou, 570311, Hainan, China
| | - Leweihua Lin
- Department of Endocrinology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, No.19 Xiuhua Road, Haikou, 570311, Hainan, China
| | - Qianying Ou
- Department of Endocrinology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, No.19 Xiuhua Road, Haikou, 570311, Hainan, China
| | - Huibiao Quan
- Department of Endocrinology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, No.19 Xiuhua Road, Haikou, 570311, Hainan, China.
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Veselov IM, Vinogradova DV, Maltsev AV, Shevtsov PN, Spirkova EA, Bachurin SO, Shevtsova EF. Mitochondria and Oxidative Stress as a Link between Alzheimer's Disease and Diabetes Mellitus. Int J Mol Sci 2023; 24:14450. [PMID: 37833898 PMCID: PMC10572926 DOI: 10.3390/ijms241914450] [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: 08/14/2023] [Revised: 09/15/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
This review is devoted to the problems of the common features linking metabolic disorders and type 2 diabetes with the development of Alzheimer's disease. The pathogenesis of Alzheimer's disease closely intersects with the mechanisms of type 2 diabetes development, and an important risk factor for both pathologies is aging. Common pathological mechanisms include both factors in the development of oxidative stress, neuroinflammation, insulin resistance, and amyloidosis, as well as impaired mitochondrial dysfunctions and increasing cell death. The currently available drugs for the treatment of type 2 diabetes and Alzheimer's disease have limited therapeutic efficacy. It is important to note that drugs used to treat Alzheimer's disease, in particular acetylcholinesterase inhibitors, show a positive therapeutic potential in the treatment of type 2 diabetes, while drugs used in the treatment of type 2 diabetes can also prevent a number of pathologies characteristic for Alzheimer's disease. A promising direction in the search for a strategy for the treatment of type 2 diabetes and Alzheimer's disease may be the creation of complex multi-target drugs that have neuroprotective potential and affect specific common targets for type 2 diabetes and Alzheimer's disease.
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Affiliation(s)
| | | | | | | | | | | | - Elena F. Shevtsova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences (IPAC RAS), Chernogolovka 142432, Russia; (I.M.V.); (A.V.M.); (P.N.S.); (E.A.S.); (S.O.B.)
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Balakrishnan R, Garcia PA, Veluthakal R, Huss JM, Hoolachan JM, Thurmond DC. Toward Ameliorating Insulin Resistance: Targeting a Novel PAK1 Signaling Pathway Required for Skeletal Muscle Mitochondrial Function. Antioxidants (Basel) 2023; 12:1658. [PMID: 37759961 PMCID: PMC10525748 DOI: 10.3390/antiox12091658] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 08/10/2023] [Accepted: 08/15/2023] [Indexed: 09/29/2023] Open
Abstract
The p21-activated kinase 1 (PAK1) is required for insulin-stimulated glucose uptake in skeletal muscle cells. However, whether PAK1 regulates skeletal muscle mitochondrial function, which is a central determinant of insulin sensitivity, is unknown. Here, the effect of modulating PAK1 levels (knockdown via siRNA, overexpression via adenoviral transduction, and/or inhibition of activation via IPA3) on mitochondrial function was assessed in normal and/or insulin-resistant rat L6.GLUT4myc and human muscle (LHCN-M2) myotubes. Human type 2 diabetes (T2D) and non-diabetic (ND) skeletal muscle samples were also used for validation of the identified signaling elements. PAK1 depletion in myotubes decreased mitochondrial copy number, respiration, altered mitochondrial structure, downregulated PGC1α (a core regulator of mitochondrial biogenesis and oxidative metabolism) and PGC1α activators, p38 mitogen-activated protein kinase (p38MAPK) and activating transcription factor 2 (ATF2). PAK1 enrichment in insulin-resistant myotubes improved mitochondrial function and rescued PGC1α expression levels. Activated PAK1 was localized to the cytoplasm, and PAK1 enrichment concurrent with p38MAPK inhibition did not increase PGC1α levels. PAK1 inhibition and enrichment also modified nuclear phosphorylated-ATF2 levels. T2D human samples showed a deficit for PGC1α, and PAK1 depletion in LHCN-M2 cells led to reduced mitochondrial respiration. Overall, the results suggest that PAK1 regulates muscle mitochondrial function upstream of the p38MAPK/ATF2/PGC1α-axis pathway.
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Affiliation(s)
- Rekha Balakrishnan
- Department of Molecular and Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, City of Hope Beckman Research Institute, 1500 E Duarte Road, Duarte, CA 91010, USA; (R.B.); (R.V.)
| | - Pablo A. Garcia
- Department of Molecular and Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, City of Hope Beckman Research Institute, 1500 E Duarte Road, Duarte, CA 91010, USA; (R.B.); (R.V.)
| | - Rajakrishnan Veluthakal
- Department of Molecular and Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, City of Hope Beckman Research Institute, 1500 E Duarte Road, Duarte, CA 91010, USA; (R.B.); (R.V.)
| | - Janice M. Huss
- School of Medicine, Washington University, 660 S Euclid Ave, St. Louis, MO 63110, USA;
| | - Joseph M. Hoolachan
- Department of Molecular and Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, City of Hope Beckman Research Institute, 1500 E Duarte Road, Duarte, CA 91010, USA; (R.B.); (R.V.)
| | - Debbie C. Thurmond
- Department of Molecular and Cellular Endocrinology, Arthur Riggs Diabetes and Metabolism Research Institute, City of Hope Beckman Research Institute, 1500 E Duarte Road, Duarte, CA 91010, USA; (R.B.); (R.V.)
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Ruiz-Pozo VA, Tamayo-Trujillo R, Cadena-Ullauri S, Frias-Toral E, Guevara-Ramírez P, Paz-Cruz E, Chapela S, Montalván M, Morales-López T, Simancas-Racines D, Zambrano AK. The Molecular Mechanisms of the Relationship between Insulin Resistance and Parkinson's Disease Pathogenesis. Nutrients 2023; 15:3585. [PMID: 37630775 PMCID: PMC10458139 DOI: 10.3390/nu15163585] [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: 06/22/2023] [Revised: 08/04/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Parkinson's disease (PD) is a degenerative condition resulting from the loss of dopaminergic neurons. This neuronal loss leads to motor and non-motor neurological symptoms. Most PD cases are idiopathic, and no cure is available. Recently, it has been proposed that insulin resistance (IR) could be a central factor in PD development. IR has been associated with PD neuropathological features like α-synuclein aggregation, dopaminergic neuronal loss, neuroinflammation, mitochondrial dysfunction, and autophagy. These features are related to impaired neurological metabolism, neuronal death, and the aggravation of PD symptoms. Moreover, pharmacological options that involve insulin signaling improvement and dopaminergic and non-dopaminergic strategies have been under development. These drugs could prevent the metabolic pathways involved in neuronal damage. All these approaches could improve PD outcomes. Also, new biomarker identification may allow for an earlier PD diagnosis in high-risk individuals. This review describes the main pathways implicated in PD development involving IR. Also, it presents several therapeutic options that are directed at insulin signaling improvement and could be used in PD treatment. The understanding of IR molecular mechanisms involved in neurodegenerative development could enhance PD therapeutic options and diagnosis.
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Affiliation(s)
- Viviana A Ruiz-Pozo
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador
| | - Rafael Tamayo-Trujillo
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador
| | - Santiago Cadena-Ullauri
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador
| | - Evelyn Frias-Toral
- School of Medicine, Universidad Católica Santiago de Guayaquil, Guayaquil 090615, Ecuador
| | - Patricia Guevara-Ramírez
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador
| | - Elius Paz-Cruz
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador
| | - Sebastián Chapela
- Departamento de Bioquímica, Facultad de Ciencias Médicas, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires C1121ABE, Argentina
- Equipo de Soporte Nutricional, Hospital Británico de Buenos Aires, Ciudad Autónoma de Buenos Aires C1280AEB, Argentina
| | - Martha Montalván
- School of Medicine, Universidad Espíritu Santo, Samborondón 091952, Ecuador
| | - Tania Morales-López
- Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador
| | - Daniel Simancas-Racines
- Centro de Investigación de Salud Pública y Epidemiología Clínica (CISPEC), Universidad UTE, Quito 170527, Ecuador
| | - Ana Karina Zambrano
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador
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Wang J, He W, Huang H, Ou D, Wang L, Li J, Li W, Luo S. A Comprehensive Analysis of the Fowleria variegata (Valenciennes, 1832) Mitochondrial Genome and Its Phylogenetic Implications within the Family Apogonidae. Genes (Basel) 2023; 14:1612. [PMID: 37628663 PMCID: PMC10454648 DOI: 10.3390/genes14081612] [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: 07/07/2023] [Revised: 08/10/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Controversies surrounding the phylogenetic relationships within the family Apogonidae have persisted due to the limited molecular data, obscuring the evolution of these diverse tropical marine fishes. This study presents the first complete mitochondrial genome of Fowleria variegata, a previously unrepresented genus, using high-throughput Illumina sequencing. Through a comparative mitogenomic analysis, F. variegate was shown to exhibit a typical genome architecture and composition, including 13 protein-coding, 22 tRNA and 2 rRNA genes and a control region, consistent with studies of other Apogonidae species. Nearly all protein-coding genes started with ATG, while stop codons TAA/TAG/T were observed, along with evidence of strong functional constraints imposed via purifying selection. Phylogenetic reconstruction based on maximum likelihood and Bayesian approaches provided robust evidence that F. variegata forms a basal lineage closely related to P. trimaculatus within Apogonidae, offering novel perspectives into the molecular evolution of this family. By generating new mitogenomic resources and evolutionary insights, this study makes important headway in elucidating the phylogenetic relationships and mitogenomic characteristics of Apogonidae fishes. The findings provide critical groundwork for future investigations into the drivers of diversification, speciation patterns, and adaptive radiation underlying the extensive ecological diversity and biological success of these marine fishes using phylogenomics and population genomics approaches.
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Affiliation(s)
- Jiaqiao Wang
- Fisheries College of Ji Mei University, Xiamen 361000, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-Environment, Xiamen 361000, China
| | - Weiyi He
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - Hao Huang
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - Danyun Ou
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - Lei Wang
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - Jun Li
- Fisheries College of Ji Mei University, Xiamen 361000, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-Environment, Xiamen 361000, China
| | - Weiwen Li
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - Site Luo
- School of Life Sciences, Xiamen University, Xiamen 361102, China
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Tam E, Sung HK, Sweeney G. MitoNEET prevents iron overload-induced insulin resistance in H9c2 cells through regulation of mitochondrial iron. J Cell Physiol 2023; 238:1867-1875. [PMID: 37269467 DOI: 10.1002/jcp.31044] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 04/22/2023] [Accepted: 05/06/2023] [Indexed: 06/05/2023]
Abstract
Iron overload (IO) induces insulin resistance in H9c2 cardiomyoblast cells. Here, we used H9c2 cells overexpressing MitoNEET to examine the potential for protection against iron accumulation in the mitochondria and subsequent insulin resistance. In control H9c2 cells, IO was observed to increase mitochondrial iron content, reactive oxygen species (ROS) production, mitochondrial fission, and reduced insulin-stimulated Akt and ERK1/2 phosphorylation. IO did not significantly affect mitophagy, or mitochondrial content, however, an increase in peroxisome-proliferator-activated receptor gamma coactivator 1 alpha (PGC1α) protein expression, a key regulator of mitochondrial biogenesis, was observed. MitoNEET overexpression was able to attenuate the effects of IO on mitochondrial iron content, reactive oxygen species, mitochondrial fission, and insulin signaling. MitoNEET overexpression also upregulated levels of PGC1α protein. The mitochondria-targeted antioxidant, Skq1, prevented IO-induced ROS production and insulin resistance in control cells, indicating mitochondrial ROS plays a causal role in the onset of insulin resistance. The selective mitochondrial fission inhibitor, Mdivi-1, prevented IO-induced mitochondrial fission, however, it did not alleviate IO-induced insulin resistance. Collectively, IO causes insulin resistance in H9c2 cardiomyoblasts and this can be averted by reduction of mitochondrial iron accumulation and ROS production by overexpression of the MitoNEET protein.
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Affiliation(s)
- Eddie Tam
- Department of Biology, York University, Toronto, Ontario, Canada
| | - Hye K Sung
- Department of Biology, York University, Toronto, Ontario, Canada
| | - Gary Sweeney
- Department of Biology, York University, Toronto, Ontario, Canada
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Dewidar B, Mastrototaro L, Englisch C, Ress C, Granata C, Rohbeck E, Pesta D, Heilmann G, Wolkersdorfer M, Esposito I, Reina Do Fundo M, Zivehe F, Yavas A, Roden M. Alterations of hepatic energy metabolism in murine models of obesity, diabetes and fatty liver diseases. EBioMedicine 2023; 94:104714. [PMID: 37454552 PMCID: PMC10384226 DOI: 10.1016/j.ebiom.2023.104714] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 06/30/2023] [Accepted: 06/30/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND Disturbed hepatic energy metabolism contributes to non-alcoholic fatty liver (NAFLD), but the development of changes over time and obesity- or diabetes-related mechanisms remained unclear. METHODS Two-day old male C57BL/6j mice received streptozotocin (STZ) or placebo (PLC) and then high-fat (HFD) or regular chow diet (RCD) from week 4 (W4) to either W8 or W16, yielding control [CTRL = PLC + RCD], diabetes [DIAB = STZ + RCD], obesity [OBES = PLC + HFD] and diabetes-related non-alcoholic steatohepatitis [NASH = STZ + HFD] models. Mitochondrial respiration was measured by high-resolution respirometry and insulin-sensitive glucose metabolism by hyperinsulinemic-euglycemic clamps with stable isotope dilution. FINDINGS NASH showed higher steatosis and NAFLD activity already at W8 and liver fibrosis at W16 (all p < 0.01 vs CTRL). Ballooning was increased in DIAB and NASH at W16 (p < 0.01 vs CTRL). At W16, insulin sensitivity was 47%, 58% and 75% lower in DIAB, NASH and OBES (p < 0.001 vs CTRL). Hepatic uncoupled fatty acid oxidation (FAO)-associated respiration was reduced in OBES at W8, but doubled in DIAB and NASH at W16 (p < 0.01 vs CTRL) and correlated with biomarkers of unfolded protein response (UPR), oxidative stress and hepatic expression of certain enzymes (acetyl-CoA carboxylase 2, Acc2; carnitine palmitoyltransferase I, Cpt1a). Tricarboxylic acid cycle (TCA)-driven respiration was lower in OBES at W8 and doubled in DIAB at W16 (p < 0.0001 vs CTRL), which positively correlated with expression of genes related to lipolysis. INTERPRETATION Hepatic mitochondria adapt to various metabolic challenges with increasing FAO-driven respiration, which is linked to dysfunctional UPR, systemic oxidative stress, insulin resistance and altered lipid metabolism. In a diabetes model, higher TCA-linked respiration reflected mitochondrial adaptation to greater hepatic lipid turnover. FUNDING Funding bodies that contributed to this study were listed in the acknowledgements section.
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Affiliation(s)
- Bedair Dewidar
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Lucia Mastrototaro
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Cornelia Englisch
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Claudia Ress
- Department of Internal Medicine I, Medical University Innsbruck, Innsbruck, Austria; Christian Doppler Laboratory for Insulin Resistance, Department of Internal Medicine I, Medical University Innsbruck, Innsbruck, Austria
| | - Cesare Granata
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Elisabeth Rohbeck
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Dominik Pesta
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Geronimo Heilmann
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Martin Wolkersdorfer
- Landesapotheke Salzburg, Department of Production, Hospital Pharmacy, Salzburg, Austria
| | - Irene Esposito
- Institute of Pathology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Michelle Reina Do Fundo
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Fariba Zivehe
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany
| | - Aslihan Yavas
- Institute of Pathology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Michael Roden
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany; Department of Endocrinology and Diabetology, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany.
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He LY, Li Y, Niu SQ, Bai J, Liu SJ, Guo JL. Polysaccharides from natural resource: ameliorate type 2 diabetes mellitus via regulation of oxidative stress network. Front Pharmacol 2023; 14:1184572. [PMID: 37497112 PMCID: PMC10367013 DOI: 10.3389/fphar.2023.1184572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 07/04/2023] [Indexed: 07/28/2023] Open
Abstract
Diabetes mellitus (DM) is a group of metabolic diseases characterized by hyperglycemia that can occur in children, adults, elderly people, and pregnant women. Oxidative stress is a significant adverse factor in the pathogenesis of DM, especially type 2 diabetes mellitus (T2DM), and metabolic syndrome. Natural polysaccharides are macromolecular compounds widely distributed in nature. Some polysaccharides derived from edible plants and microorganisms were reported as early as 10 years ago. However, the structural characterization of polysaccharides and their therapeutic mechanisms in diabetes are relatively shallow, limiting the application of polysaccharides. With further research, more natural polysaccharides have been reported to have antioxidant activity and therapeutic effects in diabetes, including plant polysaccharides, microbial polysaccharides, and polysaccharides from marine organisms and animals. Therefore, this paper summarizes the natural polysaccharides that have therapeutic potential for diabetes in the past 5 years, elucidating their pharmacological mechanisms and identified primary structures. It is expected to provide some reference for the application of polysaccharides, and provide a valuable resource for the development of new diabetic drugs.
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Affiliation(s)
- Li-Ying He
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yong Li
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shu-Qi Niu
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Chongqing Key Laboratory of Sichuan-Chongqing Co Construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, Chongqing, China
| | - Jing Bai
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Si-Jing Liu
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Chongqing Key Laboratory of Sichuan-Chongqing Co Construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, Chongqing, China
| | - Jin-Lin Guo
- Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Chongqing Key Laboratory of Sichuan-Chongqing Co Construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, Chongqing, China
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Ispoglou T, Wilson O, McCullough D, Aldrich L, Ferentinos P, Lyall G, Stavropoulos-Kalinoglou A, Duckworth L, Brown MA, Sutton L, Potts AJ, Archbold V, Hargreaves J, McKenna J. A Narrative Review of Non-Pharmacological Strategies for Managing Sarcopenia in Older Adults with Cardiovascular and Metabolic Diseases. BIOLOGY 2023; 12:892. [PMID: 37508325 PMCID: PMC10376679 DOI: 10.3390/biology12070892] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 07/30/2023]
Abstract
This narrative review examines the mechanisms underlying the development of cardiovascular disease (CVD) and metabolic diseases (MDs), along with their association with sarcopenia. Furthermore, non-pharmacological interventions to address sarcopenia in patients with these conditions are suggested. The significance of combined training in managing metabolic disease and secondary sarcopenia in type II diabetes mellitus is emphasized. Additionally, the potential benefits of resistance and aerobic training are explored. This review emphasises the role of nutrition in addressing sarcopenia in patients with CVD or MDs, focusing on strategies such as optimising protein intake, promoting plant-based protein sources, incorporating antioxidant-rich foods and omega-3 fatty acids and ensuring sufficient vitamin D levels. Moreover, the potential benefits of targeting gut microbiota through probiotics and prebiotic fibres in sarcopenic individuals are considered. Multidisciplinary approaches that integrate behavioural science are explored to enhance the uptake and sustainability of behaviour-based sarcopenia interventions. Future research should prioritise high-quality randomized controlled trials to refine exercise and nutritional interventions and investigate the incorporation of behavioural science into routine practices. Ultimately, a comprehensive and multifaceted approach is essential to improve health outcomes, well-being and quality of life in older adults with sarcopenia and coexisting cardiovascular and metabolic diseases.
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Affiliation(s)
| | - Oliver Wilson
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | | | - Luke Aldrich
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | | | - Gemma Lyall
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | | | - Lauren Duckworth
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | - Meghan A Brown
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | - Louise Sutton
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | - Alexandra J Potts
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | - Victoria Archbold
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | - Jackie Hargreaves
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
| | - Jim McKenna
- Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QQ, UK
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Duisenbek A, Lopez-Armas GC, Pérez M, Avilés Pérez MD, Aguilar Benitez JM, Pereira Pérez VR, Gorts Ortega J, Yessenbekova A, Ablaikhanova N, Escames G, Acuña-Castroviejo D, Rusanova I. Insights into the Role of Plasmatic and Exosomal microRNAs in Oxidative Stress-Related Metabolic Diseases. Antioxidants (Basel) 2023; 12:1290. [PMID: 37372020 DOI: 10.3390/antiox12061290] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/05/2023] [Accepted: 06/10/2023] [Indexed: 06/29/2023] Open
Abstract
A common denominator of metabolic diseases, including type 2 diabetes Mellitus, dyslipidemia, and atherosclerosis, are elevated oxidative stress and chronic inflammation. These complex, multi-factorial diseases are caused by the detrimental interaction between the individual genetic background and multiple environmental stimuli. The cells, including the endothelial ones, acquire a preactivated phenotype and metabolic memory, exhibiting increased oxidative stress, inflammatory gene expression, endothelial vascular activation, and prothrombotic events, leading to vascular complications. There are different pathways involved in the pathogenesis of metabolic diseases, and increased knowledge suggests a role of the activation of the NF-kB pathway and NLRP3 inflammasome as key mediators of metabolic inflammation. Epigenetic-wide associated studies provide new insight into the role of microRNAs in the phenomenon of metabolic memory and the development consequences of vessel damage. In this review, we will focus on the microRNAs related to the control of anti-oxidative enzymes, as well as microRNAs related to the control of mitochondrial functions and inflammation. The objective is the search for new therapeutic targets to improve the functioning of mitochondria and reduce oxidative stress and inflammation, despite the acquired metabolic memory.
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Affiliation(s)
- Ayauly Duisenbek
- Department of Biophysics, Biomedicine and Neuroscience, Al-Farabi Kazakh National University, Al-Farabi Av. 71, Almaty 050040, Kazakhstan
- Department of Biochemistry and Molecular Biology I, Faculty of Science, University of Granada, 18019 Granada, Spain
| | - Gabriela C Lopez-Armas
- Departamento de Investigación y Extensión, Centro de Enseñanza Técnica Industrial, C. Nueva Escocia 1885, Guadalajara 44638, Mexico
| | - Miguel Pérez
- Hospital de Alta Resolución de Alcalá la Real, 23680 Jaén, Spain
| | - María D Avilés Pérez
- Endocrinology and Nutrition Unit, Instituto de Investigación Biosanitaria de Granada (Ibs.GRANADA), University Hospital Clínico San Cecilio, 18016 Granada, Spain
| | | | - Víctor Roger Pereira Pérez
- Department of Biochemistry and Molecular Biology I, Faculty of Science, University of Granada, 18019 Granada, Spain
| | - Juan Gorts Ortega
- Department of Biochemistry and Molecular Biology I, Faculty of Science, University of Granada, 18019 Granada, Spain
| | - Arailym Yessenbekova
- Department of Biophysics, Biomedicine and Neuroscience, Al-Farabi Kazakh National University, Al-Farabi Av. 71, Almaty 050040, Kazakhstan
- Department of Biochemistry and Molecular Biology I, Faculty of Science, University of Granada, 18019 Granada, Spain
| | - Nurzhanyat Ablaikhanova
- Department of Biophysics, Biomedicine and Neuroscience, Al-Farabi Kazakh National University, Al-Farabi Av. 71, Almaty 050040, Kazakhstan
| | - Germaine Escames
- Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable (CIBERfes), Instituto de Investigación Biosanitaria de Granada (Ibs.GRANADA), San Cecilio University Hospital Clínico, 18016 Granada, Spain
- Instituto de Biotecnología, Centro de Investigación Biomédica, Parque Tecnológico de Ciencias de la Salud, Universidad de Granada, 18016 Granada, Spain
- Department of Physiology, Faculty of Medicine, University of Granada, 18016 Granada, Spain
| | - Darío Acuña-Castroviejo
- Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable (CIBERfes), Instituto de Investigación Biosanitaria de Granada (Ibs.GRANADA), San Cecilio University Hospital Clínico, 18016 Granada, Spain
- Instituto de Biotecnología, Centro de Investigación Biomédica, Parque Tecnológico de Ciencias de la Salud, Universidad de Granada, 18016 Granada, Spain
- Department of Physiology, Faculty of Medicine, University of Granada, 18016 Granada, Spain
| | - Iryna Rusanova
- Department of Biochemistry and Molecular Biology I, Faculty of Science, University of Granada, 18019 Granada, Spain
- Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable (CIBERfes), Instituto de Investigación Biosanitaria de Granada (Ibs.GRANADA), San Cecilio University Hospital Clínico, 18016 Granada, Spain
- Instituto de Biotecnología, Centro de Investigación Biomédica, Parque Tecnológico de Ciencias de la Salud, Universidad de Granada, 18016 Granada, Spain
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Yousef H, Khandoker AH, Feng SF, Helf C, Jelinek HF. Inflammation, oxidative stress and mitochondrial dysfunction in the progression of type II diabetes mellitus with coexisting hypertension. Front Endocrinol (Lausanne) 2023; 14:1173402. [PMID: 37383391 PMCID: PMC10296202 DOI: 10.3389/fendo.2023.1173402] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 05/26/2023] [Indexed: 06/30/2023] Open
Abstract
Introduction Type II diabetes mellitus (T2DM) is a metabolic disorder that poses a serious health concern worldwide due to its rising prevalence. Hypertension (HT) is a frequent comorbidity of T2DM, with the co-occurrence of both conditions increasing the risk of diabetes-associated complications. Inflammation and oxidative stress (OS) have been identified as leading factors in the development and progression of both T2DM and HT. However, OS and inflammation processes associated with these two comorbidities are not fully understood. This study aimed to explore changes in the levels of plasma and urinary inflammatory and OS biomarkers, along with mitochondrial OS biomarkers connected to mitochondrial dysfunction (MitD). These markers may provide a more comprehensive perspective associated with disease progression from no diabetes, and prediabetes, to T2DM coexisting with HT in a cohort of patients attending a diabetes health clinic in Australia. Methods Three-hundred and eighty-four participants were divided into four groups according to disease status: 210 healthy controls, 55 prediabetic patients, 32 T2DM, and 87 patients with T2DM and HT (T2DM+HT). Kruskal-Wallis and χ2 tests were conducted between the four groups to detect significant differences for numerical and categorical variables, respectively. Results and discussion For the transition from prediabetes to T2DM, interleukin-10 (IL-10), C-reactive protein (CRP), 8-hydroxy-2'-deoxyguanosine (8-OHdG), humanin (HN), and p66Shc were the most discriminatory biomarkers, generally displaying elevated levels of inflammation and OS in T2DM, in addition to disrupted mitochondrial function as revealed by p66Shc and HN. Disease progression from T2DM to T2DM+HT indicated lower levels of inflammation and OS as revealed through IL-10, interleukin-6 (IL-6), interleukin-1β (IL-1β), 8-OHdG and oxidized glutathione (GSSG) levels, most likely due to antihypertensive medication use in the T2DM +HT patient group. The results also indicated better mitochondrial function in this group as shown through higher HN and lower p66Shc levels, which can also be attributed to medication use. However, monocyte chemoattractant protein-1 (MCP-1) levels appeared to be independent of medication, providing an effective biomarker even in the presence of medication use. The results of this study suggest that a more comprehensive review of inflammation and OS biomarkers is more effective in discriminating between the stages of T2DM progression in the presence or absence of HT. Our results further indicate the usefulness of medication use, especially with respect to the known involvement of inflammation and OS in disease progression, highlighting specific biomarkers during disease progression and therefore allowing a more targeted individualized treatment plan.
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Affiliation(s)
- Hibba Yousef
- Department of Biomedical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Ahsan H. Khandoker
- Department of Biomedical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
- Healthcare Engineering Innovation Center, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Samuel F. Feng
- Department of Science and Engineering, Sorbonne University Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Charlotte Helf
- Dermatology, Venereology and Allergology, University Hospital Schleswig-Holstein, Schleswig-Holstein, Germany
| | - Herbert F. Jelinek
- Department of Biomedical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
- Healthcare Engineering Innovation Center, Khalifa University, Abu Dhabi, United Arab Emirates
- Biotechnology Center, Khalifa University, Abu Dhabi, United Arab Emirates
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Misra SK, Rosenholm JM, Pathak K. Functionalized and Nonfunctionalized Nanosystems for Mitochondrial Drug Delivery with Metallic Nanoparticles. Molecules 2023; 28:4701. [PMID: 37375256 DOI: 10.3390/molecules28124701] [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: 05/03/2023] [Revised: 06/04/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Background: The application of metallic nanoparticles as a novel therapeutic tool has significant potential to facilitate the treatment and diagnosis of mitochondria-based disorders. Recently, subcellular mitochondria have been trialed to cure pathologies that depend on their dysfunction. Nanoparticles made from metals and their oxides (including gold, iron, silver, platinum, zinc oxide, and titanium dioxide) have unique modi operandi that can competently rectify mitochondrial disorders. Materials: This review presents insight into the recent research reports on exposure to a myriad of metallic nanoparticles that can alter the dynamic ultrastructure of mitochondria (via altering metabolic homeostasis), as well as pause ATP production, and trigger oxidative stress. The facts and figures have been compiled from more than a hundred PubMed, Web of Science, and Scopus indexed articles that describe the essential functions of mitochondria for the management of human diseases. Result: Nanoengineered metals and their oxide nanoparticles are targeted at the mitochondrial architecture that partakes in the management of a myriad of health issues, including different cancers. These nanosystems not only act as antioxidants but are also fabricated for the delivery of chemotherapeutic agents. However, the biocompatibility, safety, and efficacy of using metal nanoparticles is contested among researchers, which will be discussed further in this review.
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Affiliation(s)
- Shashi Kiran Misra
- School of Pharmaceutical Sciences, CSJM University Kanpur, Kanpur 208024, India
| | - Jessica M Rosenholm
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, BioCity (3rd Floor), Tykistökatu, 6A, 20520 Turku, Finland
| | - Kamla Pathak
- Faculty of Pharmacy, Uttar Pradesh University of Medical Sciences, Saifai, Etawah 206130, India
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Zgutka K, Tkacz M, Tomasiak P, Tarnowski M. A Role for Advanced Glycation End Products in Molecular Ageing. Int J Mol Sci 2023; 24:9881. [PMID: 37373042 PMCID: PMC10298716 DOI: 10.3390/ijms24129881] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Ageing is a composite process that involves numerous changes at the cellular, tissue, organ and whole-body levels. These changes result in decreased functioning of the organism and the development of certain conditions, which ultimately lead to an increased risk of death. Advanced glycation end products (AGEs) are a family of compounds with a diverse chemical nature. They are the products of non-enzymatic reactions between reducing sugars and proteins, lipids or nucleic acids and are synthesised in high amounts in both physiological and pathological conditions. Accumulation of these molecules increases the level of damage to tissue/organs structures (immune elements, connective tissue, brain, pancreatic beta cells, nephrons, and muscles), which consequently triggers the development of age-related diseases, such as diabetes mellitus, neurodegeneration, and cardiovascular and kidney disorders. Irrespective of the role of AGEs in the initiation or progression of chronic disorders, a reduction in their levels would certainly provide health benefits. In this review, we provide an overview of the role of AGEs in these areas. Moreover, we provide examples of lifestyle interventions, such as caloric restriction or physical activities, that may modulate AGE formation and accumulation and help to promote healthy ageing.
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Affiliation(s)
- Katarzyna Zgutka
- Department of Physiology in Health Sciences, Faculty of Health Sciences, Pomeranian Medical University, Żołnierska 54, 70-210 Szczecin, Poland
| | - Marta Tkacz
- Department of Physiology in Health Sciences, Faculty of Health Sciences, Pomeranian Medical University, Żołnierska 54, 70-210 Szczecin, Poland
| | - Patrycja Tomasiak
- Institute of Physical Culture Sciences, University of Szczecin, 70-453 Szczecin, Poland
| | - Maciej Tarnowski
- Department of Physiology in Health Sciences, Faculty of Health Sciences, Pomeranian Medical University, Żołnierska 54, 70-210 Szczecin, Poland
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Yu T, Wang L, Zhang L, Deuster PA. Mitochondrial Fission as a Therapeutic Target for Metabolic Diseases: Insights into Antioxidant Strategies. Antioxidants (Basel) 2023; 12:1163. [PMID: 37371893 DOI: 10.3390/antiox12061163] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Mitochondrial fission is a crucial process in maintaining metabolic homeostasis in normal physiology and under conditions of stress. Its dysregulation has been associated with several metabolic diseases, including, but not limited to, obesity, type 2 diabetes (T2DM), and cardiovascular diseases. Reactive oxygen species (ROS) serve a vital role in the genesis of these conditions, and mitochondria are both the main sites of ROS production and the primary targets of ROS. In this review, we explore the physiological and pathological roles of mitochondrial fission, its regulation by dynamin-related protein 1 (Drp1), and the interplay between ROS and mitochondria in health and metabolic diseases. We also discuss the potential therapeutic strategies of targeting mitochondrial fission through antioxidant treatments for ROS-induced conditions, including the effects of lifestyle interventions, dietary supplements, and chemicals, such as mitochondrial division inhibitor-1 (Mdivi-1) and other mitochondrial fission inhibitors, as well as certain commonly used drugs for metabolic diseases. This review highlights the importance of understanding the role of mitochondrial fission in health and metabolic diseases, and the potential of targeting mitochondrial fission as a therapeutic approach to protecting against these conditions.
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Affiliation(s)
- Tianzheng Yu
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Li Wang
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
- Department of Pathology, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
| | - Lei Zhang
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Patricia A Deuster
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
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López-Soldado I, Torres AG, Ventura R, Martínez-Ruiz I, Díaz-Ramos A, Planet E, Cooper D, Pazderska A, Wanic K, O'Hanlon D, O'Gorman DJ, Carbonell T, de Pouplana LR, Nolan JJ, Zorzano A, Hernández-Alvarez MI. Decreased expression of mitochondrial aminoacyl-tRNA synthetases causes downregulation of OXPHOS subunits in type 2 diabetic muscle. Redox Biol 2023; 61:102630. [PMID: 36796135 PMCID: PMC9958393 DOI: 10.1016/j.redox.2023.102630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/26/2023] [Accepted: 02/06/2023] [Indexed: 02/10/2023] Open
Abstract
Type 2 diabetes mellitus (T2D) affects millions of people worldwide and is one of the leading causes of morbidity and mortality. The skeletal muscle (SKM) is one of the most important tissues involved in maintaining glucose homeostasis and substrate oxidation, and it undergoes insulin resistance in T2D. In this study, we identify the existence of alterations in the expression of mitochondrial aminoacyl-tRNA synthetases (mt-aaRSs) in skeletal muscle from two different forms of T2D: early-onset type 2 diabetes (YT2) (onset of the disease before 30 years of age) and the classical form of the disease (OT2). GSEA analysis from microarray studies revealed the repression of mitochondrial mt-aaRSs independently of age, which was validated by real-time PCR assays. In agreement with this, a reduced expression of several encoding mt-aaRSs was also detected in skeletal muscle from diabetic (db/db) mice but not in obese ob/ob mice. In addition, the expression of the mt-aaRSs proteins most relevant in the synthesis of mitochondrial proteins, threonyl-tRNA, and leucyl-tRNA synthetases (TARS2 and LARS2) were also repressed in muscle from db/db mice. It is likely that these alterations participate in the reduced expression of proteins synthesized in the mitochondria detected in db/db mice. We also document an increased iNOS abundance in mitochondrial-enriched muscle fractions from diabetic mice that may inhibit aminoacylation of TARS2 and LARS2 by nitrosative stress. Our results indicate a reduced expression of mt-aaRSs in skeletal muscle from T2D patients, which may participate in the reduced expression of proteins synthesized in mitochondria. An enhanced mitochondrial iNOS could play a regulatory role in diabetes.
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Affiliation(s)
- Iliana López-Soldado
- Department de Bioquímica i Biomedicina Molecular, Facultat de Biología, 08028, Spain; Institut de Biomedicina de la Universitat de Barcelona IBUB, Barcelona, Spain
| | - Adrian Gabriel Torres
- Institute for Research in Biomedicine (IRB Barcelona), the Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Raúl Ventura
- Department de Bioquímica i Biomedicina Molecular, Facultat de Biología, 08028, Spain; Institut de Biomedicina de la Universitat de Barcelona IBUB, Barcelona, Spain
| | - Inma Martínez-Ruiz
- Department de Bioquímica i Biomedicina Molecular, Facultat de Biología, 08028, Spain; Institut de Biomedicina de la Universitat de Barcelona IBUB, Barcelona, Spain
| | - Angels Díaz-Ramos
- Institute for Research in Biomedicine (IRB Barcelona), the Barcelona Institute of Science and Technology, Barcelona, Spain; CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Spain
| | - Evarist Planet
- Institute for Research in Biomedicine (IRB Barcelona), the Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Diane Cooper
- National Institute for Cellular Biotechnology, 3U Diabetes Partnership & School of Health and Human Performance, Dublin City University, Dublin, Ireland
| | - Agnieszka Pazderska
- Metabolic Research Unit, St James's Hospital, and Trinity College, Dublin, Ireland
| | - Krzysztof Wanic
- Metabolic Research Unit, St James's Hospital, and Trinity College, Dublin, Ireland
| | - Declan O'Hanlon
- Metabolic Research Unit, St James's Hospital, and Trinity College, Dublin, Ireland
| | - Donal J O'Gorman
- National Institute for Cellular Biotechnology, 3U Diabetes Partnership & School of Health and Human Performance, Dublin City University, Dublin, Ireland
| | - Teresa Carbonell
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Facultat de Biologia, 08028, Barcelona, Spain
| | - Lluís Ribas de Pouplana
- Institute for Research in Biomedicine (IRB Barcelona), the Barcelona Institute of Science and Technology, Barcelona, Spain
| | - John J Nolan
- Metabolic Research Unit, St James's Hospital, and Trinity College, Dublin, Ireland
| | - Antonio Zorzano
- Department de Bioquímica i Biomedicina Molecular, Facultat de Biología, 08028, Spain; Institute for Research in Biomedicine (IRB Barcelona), the Barcelona Institute of Science and Technology, Barcelona, Spain; CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Spain.
| | - María Isabel Hernández-Alvarez
- Department de Bioquímica i Biomedicina Molecular, Facultat de Biología, 08028, Spain; Institut de Biomedicina de la Universitat de Barcelona IBUB, Barcelona, Spain; CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Spain.
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Argaev-Frenkel L, Rosenzweig T. Redox Balance in Type 2 Diabetes: Therapeutic Potential and the Challenge of Antioxidant-Based Therapy. Antioxidants (Basel) 2023; 12:antiox12050994. [PMID: 37237860 DOI: 10.3390/antiox12050994] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/19/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Oxidative stress is an important factor in the development of type 2 diabetes (T2D) and associated complications. Unfortunately, most clinical studies have failed to provide sufficient evidence regarding the benefits of antioxidants (AOXs) in treating this disease. Based on the known complexity of reactive oxygen species (ROS) functions in both the physiology and pathophysiology of glucose homeostasis, it is suggested that inappropriate dosing leads to the failure of AOXs in T2D treatment. To support this hypothesis, the role of oxidative stress in the pathophysiology of T2D is described, together with a summary of the evidence for the failure of AOXs in the management of diabetes. A comparison of preclinical and clinical studies indicates that suboptimal dosing of AOXs might explain the lack of benefits of AOXs. Conversely, the possibility that glycemic control might be adversely affected by excess AOXs is also considered, based on the role of ROS in insulin signaling. We suggest that AOX therapy should be given in a personalized manner according to the need, which is the presence and severity of oxidative stress. With the development of gold-standard biomarkers for oxidative stress, optimization of AOX therapy may be achieved to maximize the therapeutic potential of these agents.
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Affiliation(s)
| | - Tovit Rosenzweig
- Department of Molecular Biology, Ariel University, Ariel 4070000, Israel
- Adison School of Medicine, Ariel University, Ariel 4070000, Israel
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Swainson J, Reeson M, Malik U, Stefanuk I, Cummins M, Sivapalan S. Diet and depression: A systematic review of whole dietary interventions as treatment in patients with depression. J Affect Disord 2023; 327:270-278. [PMID: 36738997 DOI: 10.1016/j.jad.2023.01.094] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 01/19/2023] [Accepted: 01/25/2023] [Indexed: 02/05/2023]
Abstract
BACKGROUND & RATIONALE Depression is a common mental illness that afflicts over 300 million individuals worldwide. Despite a variety of therapeutic options available, a significant number of depressed patients fail to respond to treatment. Current guidelines for treating depression suggest that supplementation of essential nutrients may be an appropriate adjunctive to treatment, but research investigating full dietary interventions for depressed patients is scarce. STUDY OBJECTIVE The primary aim of this study was to systematically review published scientific literature investigating full dietary interventions as treatment for individuals with a diagnosis of depression. In doing so, we assessed existing evidence for recommendation of a dietary intervention and reviewed theory of how diet may be important in this context. METHODS A systematic search was conducted using OVID to search Medline, PsychINFO, and EMBASE, and PubMed for relevant publications. Only studies including full dietary interventions for patients with Major Depressive Episode, Major Depressive Disorder, Persistent Depressive Disorder, Seasonal Affective Disorder, or Dysthymia, as diagnosed using criteria defined in the chapter of "Depressive Disorders" in the DSM, were included. RESULTS Only five studies met the inclusion criteria for this review. All five studies included in this review reported improvements in mood following dietary intervention as compared to the comparison group. However, heterogeneity in both the dietary intervention and the outcome(s) measured made it difficult to compare these studies against each other and to generalize them to larger populations. CONCLUSION The findings of this review provide preliminary evidence for the positive impact of dietary interventions in the treatment of depressed patients. However, the mechanism by which particular diets induce positive changes in mood, be it through anti-inflammatory mechanisms or via weight loss in overweight patients, is unclear. Future research investigating the impact of dietary interventions on a large-scale is warranted and needed.
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Affiliation(s)
| | - Matthew Reeson
- Dept of Psychiatry, University of Alberta. Edmonton, AB, Canada.
| | - Usama Malik
- Dept of Psychiatry, University of Alberta. Edmonton, AB, Canada
| | - Ian Stefanuk
- Dept of Psychiatry, University of Alberta. Edmonton, AB, Canada
| | - Mary Cummins
- Dept of Psychiatry, University of Alberta. Edmonton, AB, Canada
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Pant T, Uche N, Juric M, Bosnjak ZJ. Clinical Relevance of lncRNA and Mitochondrial Targeted Antioxidants as Therapeutic Options in Regulating Oxidative Stress and Mitochondrial Function in Vascular Complications of Diabetes. Antioxidants (Basel) 2023; 12:antiox12040898. [PMID: 37107272 PMCID: PMC10135521 DOI: 10.3390/antiox12040898] [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: 02/13/2023] [Revised: 03/29/2023] [Accepted: 04/01/2023] [Indexed: 04/29/2023] Open
Abstract
Metabolic imbalances and persistent hyperglycemia are widely recognized as driving forces for augmented cytosolic and mitochondrial reactive oxygen species (ROS) in diabetes mellitus (DM), fostering the development of vascular complications such as diabetic nephropathy, diabetic cardiomyopathy, diabetic neuropathy, and diabetic retinopathy. Therefore, specific therapeutic approaches capable of modulating oxidative milieu may provide a preventative and/or therapeutic benefit against the development of cardiovascular complications in diabetes patients. Recent studies have demonstrated epigenetic alterations in circulating and tissue-specific long non-coding RNA (lncRNA) signatures in vascular complications of DM regulating mitochondrial function under oxidative stress. Intriguingly, over the past decade mitochondria-targeted antioxidants (MTAs) have emerged as a promising therapeutic option for managing oxidative stress-induced diseases. Here, we review the present status of lncRNA as a diagnostic biomarker and potential regulator of oxidative stress in vascular complications of DM. We also discuss the recent advances in using MTAs in different animal models and clinical trials. We summarize the prospects and challenges for the use of MTAs in treating vascular diseases and their application in translation medicine, which may be beneficial in MTA drug design development, and their application in translational medicine.
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Affiliation(s)
- Tarun Pant
- Department of Medicine, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Nnamdi Uche
- Department of Physiology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Matea Juric
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Zeljko J Bosnjak
- Department of Medicine, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
- Department of Physiology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
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