1
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Zhu S, Wang C, Meng ZX. Coffee pulp improves glucose and lipid metabolism disorder in high-fat diet-induced diabetic mice. Metabol Open 2024; 23:100303. [PMID: 39188638 PMCID: PMC11345893 DOI: 10.1016/j.metop.2024.100303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2024] [Revised: 07/23/2024] [Accepted: 07/24/2024] [Indexed: 08/28/2024] Open
Abstract
Background Coffee berry extracts are anti-lipogenic and lipolytic. This study aims to investigate the effect and mechanism of coffee pulp on high-fat diet (HFD)-induced glucose and lipid metabolism disorder in mice. Methods The type 2 diabetes (T2D) mouse model was established by feeding the C57BL/6 J mice with HFD. Mice were administered with coffee pulp diluted in drinking water before or after the establishment of the T2D mouse model. After treatment, the body weight and fasting blood glucose (FBG) of mice were monitored; the intraperitoneal glucose tolerance test (IPGTT) of mice was performed; plasma insulin was determined by ELISA; serum total cholesterol (TC), triglyceride (TG) and liver TG were determined by biochemical analysis; hematoxylin-eosin (H&E) staining was used to evaluate organ histomorphology. Gene expression of key genes in de novo lipogenesis (DNL) in the liver was examined by quantitative reverse transcription PCR (RT-qPCR). Results Mice that consumed coffee pulp after modeling showed reduced FBG and liver TG, improved IPGTT, and alleviated fatty liver. Consuming coffee pulp before modeling prevented HFD-induced blood glucose and plasma TG increases. Mice consuming coffee pulp also had lower body fat and liver TG compared to the model group. qPCR results showed that the expression of transcription factors (Srebp1, PPARγ) and genes (Fasn, CideA, Plin3, Plin4, Plin5) related to DNL and lipid droplets (LD) formation in the liver of mice consuming coffee pulp were significantly lower than those of the control group. Conclusions Our study demonstrated that coffee pulp can attenuate HFD-induced disorders of glucose and lipid metabolism, and this effect may be related to the key pathways of lipid synthesis DNL and LD formation pathways in the liver.
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Affiliation(s)
- Shuaishuai Zhu
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
- Center for Reproductive Medicine, Department of Gynecology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, China
| | - Chenying Wang
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
- Department of Surgical Oncology, Children's Hospital Zhejiang University School of Medicine, Hangzhou, 310052, China
- Pediatric Cancer Research Center, National Clinical Research Center for Child Health, Hangzhou, 310052, China
| | - Zhuo-Xian Meng
- Department of Pathology and Pathophysiology and Department of Cardiology of the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
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2
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Smith ME, Bazinet RP. Unraveling brain palmitic acid: Origin, levels and metabolic fate. Prog Lipid Res 2024:101300. [PMID: 39222711 DOI: 10.1016/j.plipres.2024.101300] [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: 03/26/2024] [Revised: 08/26/2024] [Accepted: 08/28/2024] [Indexed: 09/04/2024]
Abstract
In the human brain, palmitic acid (16:0; PAM) comprises nearly half of total brain saturates and has been identified as the third most abundant fatty acid overall. Brain PAM supports the structure of membrane phospholipids, provides energy, and regulates protein stability. Sources underlying the origin of brain PAM are both diet and endogenous synthesis via de novo lipogenesis (DNL), primarily from glucose. However, studies investigating the origin of brain PAM are limited to tracer studies utilizing labelled (14C/11C/3H/2H) PAM, and results vary based on the model and tracer used. Nevertheless, there is evidence PAM is synthesized locally in the brain, in addition to obtained directly from the diet. Herein, we provide an overview of brain PAM origin, entry to the brain, metabolic fate, and factors influencing brain PAM kinetics and levels, the latter in the context of age, as well as neurological diseases and psychiatric disorders. Additionally, we briefly summarize the role of PAM in signaling at the level of the brain. We add to the literature a rudimentary summary on brain PAM metabolism.
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Affiliation(s)
- Mackenzie E Smith
- Department of Nutritional Sciences, University of Toronto, 1 King's College Circle, Toronto, Ontario M5S 1A8, Canada
| | - Richard P Bazinet
- Department of Nutritional Sciences, University of Toronto, 1 King's College Circle, Toronto, Ontario M5S 1A8, Canada.
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3
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Leishman S, Aljadeed NM, Qian L, Cockcroft S, Behmoaras J, Anand PK. Fatty acid synthesis promotes inflammasome activation through NLRP3 palmitoylation. Cell Rep 2024; 43:114516. [PMID: 39024103 DOI: 10.1016/j.celrep.2024.114516] [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: 01/03/2024] [Revised: 05/31/2024] [Accepted: 07/01/2024] [Indexed: 07/20/2024] Open
Abstract
Despite its significance, the role of lipid metabolism in NLRP3 inflammasome remains elusive. Here, we reveal a critical role for fatty acid synthase (FASN) in NLRP3 inflammasome activation. We demonstrate that pharmacological or genetic depletion of FASN dampens NLRP3 activation in primary mouse and human macrophages and in mice. This disruption in NLRP3 activation is contingent upon FASN activity. Accordingly, abolishing cellular palmitoylation, a post-translational modification in which the FASN product palmitate is reversibly conjugated to cysteine residues of target proteins, blunts inflammasome signaling. Correspondingly, an acyl-biotin exchange assay corroborated NLRP3 palmitoylation. Mechanistically, Toll-like receptor (TLR) ligation introduces palmitoylation at NLRP3 Cys898, permitting NLRP3 translocation to dispersed trans-Golgi network (dTGN) vesicles, the site of inflammasome assembly, upon NLRP3 activation. Accordingly, the NLRP3 Cys898 mutant exhibits reduced palmitoylation, limited translocation to the dTGN compartment, and diminished inflammasome activation. These results underscore mechanistic insights through which lipid metabolism licenses NLRP3 inflammasome assembly and activation.
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Affiliation(s)
- Stuart Leishman
- Department of Infectious Disease, Imperial College London, London W12 0NN, UK
| | - Najd M Aljadeed
- Department of Infectious Disease, Imperial College London, London W12 0NN, UK
| | - Liyunhe Qian
- Department of Infectious Disease, Imperial College London, London W12 0NN, UK
| | - Shamshad Cockcroft
- Department of Neuroscience, Physiology and Pharmacology, Division of Biosciences, University College London, London WC1E 6JJ, UK
| | - Jacques Behmoaras
- Programme in Cardiovascular and Metabolic Disorders and Centre for Computational Biology, Duke-NUS Medical School Singapore, Singapore
| | - Paras K Anand
- Department of Infectious Disease, Imperial College London, London W12 0NN, UK.
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4
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Shama AT, Shova LM, Bristy AT, Emran T, Shabnam S, Shill MC, Bepari AK, Reza HM. Anti-obesity effects and underlying molecular mechanisms of the ethanolic extract of figs from Ficus hispida using high fat-fed wister rats. Heliyon 2024; 10:e35392. [PMID: 39170114 PMCID: PMC11336639 DOI: 10.1016/j.heliyon.2024.e35392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 07/05/2024] [Accepted: 07/28/2024] [Indexed: 08/23/2024] Open
Abstract
Obesity is a known risk factor for many chronic diseases and a substantial threat to public health. We investigated the effects of figs sourced from Ficus hispida on a high fat-fed experimental rat model. We found that a 500-mg dose of ethanolic extract of figs (EFH) reduced oxidative stress markers nitric oxide (NO), malondialdehyde (MDA), and advanced oxidation protein products (AOPP), which were increased in high fat-fed rats. Antioxidant enzymes superoxide dismutase (SOD), catalase, reduced glutathione (GSH), and myeloperoxidase (MPO), found elevated in high fat-fed rats, were also normalized to nearly regular levels by fig treatment. Administration of EFH further reduced fat deposition and expression of adipogenic genes leptin, fatty acid synthase (FAS), peroxisome proliferator-activated receptor gamma (PPARγ), and sterol regulatory element-binding protein-1c (SERBP-1c). Our results suggest that figs have significant effects on reducing oxidative stress and mitigating obesity-associated liver and adipose tissue abnormalities via suppressing adipogenesis. Thus, we propose that F. hispida has potential benefits in reducing obesity.
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Affiliation(s)
- Anika Tabassum Shama
- Department of Pharmaceutical Sciences, North South University, Dhaka, 1229, Bangladesh
| | - Luluin Maknun Shova
- Department of Pharmaceutical Sciences, North South University, Dhaka, 1229, Bangladesh
| | - Anika Tabassum Bristy
- Department of Pharmaceutical Sciences, North South University, Dhaka, 1229, Bangladesh
| | - Tushar Emran
- Department of Pharmaceutical Sciences, North South University, Dhaka, 1229, Bangladesh
| | - Sadia Shabnam
- Department of Pharmaceutical Sciences, North South University, Dhaka, 1229, Bangladesh
| | - Manik Chandra Shill
- Department of Pharmaceutical Sciences, North South University, Dhaka, 1229, Bangladesh
| | - Asim Kumar Bepari
- Department of Pharmaceutical Sciences, North South University, Dhaka, 1229, Bangladesh
| | - Hasan Mahmud Reza
- Department of Pharmaceutical Sciences, North South University, Dhaka, 1229, Bangladesh
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5
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Sahay S, Pulvender P, Rami Reddy MVSR, McCullumsmith RE, O’Donovan SM. Metabolic Insights into Neuropsychiatric Illnesses and Ketogenic Therapies: A Transcriptomic View. Int J Mol Sci 2024; 25:8266. [PMID: 39125835 PMCID: PMC11312282 DOI: 10.3390/ijms25158266] [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: 05/31/2024] [Revised: 07/21/2024] [Accepted: 07/26/2024] [Indexed: 08/12/2024] Open
Abstract
The disruption of brain energy metabolism, leading to alterations in synaptic signaling, neural circuitry, and neuroplasticity, has been implicated in severe mental illnesses such as schizophrenia, bipolar disorder, and major depressive disorder. The therapeutic potential of ketogenic interventions in these disorders suggests a link between metabolic disturbances and disease pathology; however, the precise mechanisms underlying these metabolic disturbances, and the therapeutic effects of metabolic ketogenic therapy, remain poorly understood. In this study, we conducted an in silico analysis of transcriptomic data to investigate perturbations in metabolic pathways in the brain across severe mental illnesses via gene expression profiling. We also examined dysregulation of the same pathways in rodent or cell culture models of ketosis, comparing these expression profiles to those observed in the disease states. Our analysis revealed significant perturbations across all metabolic pathways, with the greatest perturbations in glycolysis, the tricarboxylic acid (TCA) cycle, and the electron transport chain (ETC) across all three disorders. Additionally, we observed some discordant gene expression patterns between disease states and ketogenic intervention studies, suggesting a potential role for ketone bodies in modulating pathogenic metabolic changes. Our findings highlight the importance of understanding metabolic dysregulation in severe mental illnesses and the potential therapeutic benefits of ketogenic interventions in restoring metabolic homeostasis. This study provides insights into the complex relationship between metabolism and neuropsychiatric disorders and lays the foundation for further experimental investigations aimed at appreciating the implications of the present transcriptomic findings as well as developing targeted therapeutic strategies.
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Affiliation(s)
- Smita Sahay
- Department of Neurosciences, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614, USA
| | - Priyanka Pulvender
- Department of Neurosciences, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614, USA
| | | | - Robert E. McCullumsmith
- Department of Neurosciences, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614, USA
- Department of Psychiatry, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614, USA
- Neuroscience Institute, ProMedica, Toledo, OH 43614, USA
| | - Sinead M. O’Donovan
- Department of Neurosciences, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614, USA
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Rodrigo N, Chen H, Pollock CA, Glastras SJ. Kidney outcomes are altered by preconception weight modulation in rodent mothers with obesity. Sci Rep 2024; 14:17363. [PMID: 39075112 PMCID: PMC11286933 DOI: 10.1038/s41598-024-68234-9] [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: 12/10/2023] [Accepted: 07/22/2024] [Indexed: 07/31/2024] Open
Abstract
Obesity increases the risk of chronic kidney disease. We have previously demonstrated the benefits of preconception maternal weight loss on fertility and pregnancy outcomes in a mouse model of maternal obesity. Here, we elucidate if preconception weight loss, either by diet modification or the glucose-like peptide 1 agonist liraglutide, used in the treatment of diabetes and obesity, improves maternal kidney outcomes in late gestation. C57BL/6 female mice were fed either a high-fat-diet (HFD) or a chow (control) diet for 8 weeks. To induce pre-pregnancy weight loss, HFD-fed dams were switched to chow diet (HFD-C) or administered liraglutide (0.3 mg/kg subcutaneous) whilst continuing on HFD (HFD-L). Liraglutide was discontinued one week prior to mating. HFD-V mice continued on HFD, with saline injections. A group of HFD-fed dams were 'diet switched' to chow after conception (post-conception, HFD-PC). Maternal body weight and glucose tolerance were measured: (1) preconception and (2) during late gestation followed by blood, urine and kidney collection. Serum creatinine, urinary creatinine and albumin, kidney tissue gene expression and protein were measured. In the preconception period, HFD-L and HFD-C mothers have lower urine albumin:creatinine ratios (UACR) and fatty acid synthase (FAS) protein expression (P < 0.005 vs. HFD-V). At late gestation, kidneys of HFD-V and HFD-PC dams have increased gene expression of insulin receptor and FAS (P < 0.05) and higher UACR compared to controls (P < 0.01). In the HFD-PC group, kidneys show increased mRNA and protein expression of metabolic and oxidative stress markers (FAS, 8-OHdG vs. control, P < 0.05, P < 0.0001 respectively). The preconception intervention groups with liraglutide, or diet change show reduced oxidative stress (protein expression of 8-OHdG, P < 0.05 vs. HFD), mRNA and protein expression of FAS (P < 0.05 vs. HFD), protein expression of fibrosis markers (collagen IV, fibronectin vs. HFD, P < 0.05), and UACR (P < 0.05 vs. HFD). This study suggests that preconception weight loss benefits maternal kidney health during pregnancy, superior to diet intervention once already pregnant.
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Affiliation(s)
- Natassia Rodrigo
- Renal Research Laboratory, Kolling Institute of Medical Research, St Leonards, NSW, Australia.
- North Precinct, Sydney Medical School, University of Sydney, Sydney, NSW, Australia.
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, Reserve Road, St Leonards, NSW, Australia.
- Department of Diabetes and Endocrinology, Nepean Hospital, Kingswood, NSW, Australia.
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, Australia
| | - Carol A Pollock
- Renal Research Laboratory, Kolling Institute of Medical Research, St Leonards, NSW, Australia
- North Precinct, Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Sarah J Glastras
- Renal Research Laboratory, Kolling Institute of Medical Research, St Leonards, NSW, Australia
- North Precinct, Sydney Medical School, University of Sydney, Sydney, NSW, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, Reserve Road, St Leonards, NSW, Australia
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7
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Tsai SF, Hsu PL, Yeh MC, Hung HC, Shih MMC, Chung BC, Wang CY, Chang CJ, Kuo YM. High-fat diet-induced increase in glucocorticoids contributes to adipogenesis in obese mice. Biomed J 2024:100772. [PMID: 39048079 DOI: 10.1016/j.bj.2024.100772] [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: 02/20/2024] [Revised: 07/02/2024] [Accepted: 07/21/2024] [Indexed: 07/27/2024] Open
Abstract
BACKGROUND This study was designed to examine how glucocorticoids (GCs) induced by a long-term ingestion of high-fat diet (HFD) mediate the HFD-induced adipose expansion and obesity. MATERIAL AND METHODS To address this goal, we used a unique L/L mouse model that fails to induce its corticosterone (CORT) level, a major type of GCs in rodents, after prolonged exposure to an HFD. RESULTS We found that, after receiving a 12-week HFD feeding, the L/L mice show less weight gain, milder adipose expansion, and higher plasma levels of triglycerides than the wild-type mice. These changes were reversed by replenishing CORT to L/L mice. When examining the expression levels of various molecules linked to lipid uptake and de novo lipogenesis in CORT-induced adipose expansion, we observed a reduction in the expression of adipose preadipocyte factor 1 (Pref-1), a key regulator in adipogenesis. In 3T3-L1 preadipocyte-like cells, dexamethasone, an agonist of the glucocorticoid receptor, also reduced expressions of Pref-1 and facilitated intracellular accumulation of lipids. CONCLUSIONS Our results suggest that fat ingestion-induced release of CORT contributes to adipose expansion and development of obesity and highlight the pathogenic role of CORT-mediated downregulation of adipose Pref-1 in diet-induced obesity.
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Affiliation(s)
- Sheng-Feng Tsai
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, 701401, Taiwan; Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 701401, Taiwan
| | - Pei-Ling Hsu
- Department of Anatomy, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807378, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan; Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
| | - Mei-Chen Yeh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Chi Mei Medical Center, Tainan, 710402, Taiwan
| | - Hao-Chang Hung
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Chi Mei Medical Center, Tainan, 710402, Taiwan
| | - Monica Meng-Chun Shih
- National Laboratory Animal Center, National Applied Research Laboratories, Taipei, 115021, Taiwan
| | - Bon-Chu Chung
- National Laboratory Animal Center, National Applied Research Laboratories, Taipei, 115021, Taiwan; Graduate Institute of Biomedical Sciences, Neuroscience and Brain Disease Center, China Medical University, Taichung, 404328, Taiwan
| | - Chia-Yih Wang
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, 701401, Taiwan; Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 701401, Taiwan
| | - Chih-Jen Chang
- Department of Family Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, 600566, Taiwan.
| | - Yu-Min Kuo
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, 701401, Taiwan; Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 701401, Taiwan.
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8
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Kajani S, Laker RC, Ratkova E, Will S, Rhodes CJ. Hepatic glucagon action: beyond glucose mobilization. Physiol Rev 2024; 104:1021-1060. [PMID: 38300523 DOI: 10.1152/physrev.00028.2023] [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: 07/11/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 02/02/2024] Open
Abstract
Glucagon's ability to promote hepatic glucose production has been known for over a century, with initial observations touting this hormone as a diabetogenic agent. However, glucagon receptor agonism [when balanced with an incretin, including glucagon-like peptide 1 (GLP-1) to dampen glucose excursions] is now being developed as a promising therapeutic target in the treatment of metabolic diseases, like metabolic dysfunction-associated steatotic disease/metabolic dysfunction-associated steatohepatitis (MASLD/MASH), and may also have benefit for obesity and chronic kidney disease. Conventionally regarded as the opposing tag-team partner of the anabolic mediator insulin, glucagon is gradually emerging as more than just a "catabolic hormone." Glucagon action on glucose homeostasis within the liver has been well characterized. However, growing evidence, in part thanks to new and sensitive "omics" technologies, has implicated glucagon as more than just a "glucose liberator." Elucidation of glucagon's capacity to increase fatty acid oxidation while attenuating endogenous lipid synthesis speaks to the dichotomous nature of the hormone. Furthermore, glucagon action is not limited to just glucose homeostasis and lipid metabolism, as traditionally reported. Glucagon plays key regulatory roles in hepatic amino acid and ketone body metabolism, as well as mitochondrial turnover and function, indicating broader glucagon signaling consequences for metabolic homeostasis mediated by the liver. Here we examine the broadening role of glucagon signaling within the hepatocyte and question the current dogma, to appreciate glucagon as more than just that "catabolic hormone."
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Affiliation(s)
- Sarina Kajani
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, Maryland, United States
| | - Rhianna C Laker
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, Maryland, United States
| | - Ekaterina Ratkova
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Mölndal, Sweden
| | - Sarah Will
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, Maryland, United States
| | - Christopher J Rhodes
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, Maryland, United States
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9
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Zhu Y, Yuan Y, Si H, Li S, Zhao F, Mu R, Lin Z, Wang X, Qiu Q, Xu C, Ji L, Li Z. Lipidomic and transcriptomic profiles provide new insights into the triacylglycerol and glucose handling capacities of the Arctic fox. Front Vet Sci 2024; 11:1388532. [PMID: 38988981 PMCID: PMC11233799 DOI: 10.3389/fvets.2024.1388532] [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: 04/04/2024] [Accepted: 06/10/2024] [Indexed: 07/12/2024] Open
Abstract
The Arctic fox (Vulpes lagopus) is a species indigenous to the Arctic and has developed unique lipid metabolism, but the mechanisms remain unclear. Here, the significantly increased body weight of Arctic foxes was consistent with the significantly increased serum very-low-density lipoprotein (VLDL), and the 40% crude fat diet further increased the Arctic fox body weight. The enhanced body weight gain stems primarily from increased subcutaneous adipose tissue accumulation. The adipose triacylglycerol and phosphatidylethanolamine were significantly greater in Arctic foxes. The adipose fatty-acid synthase content was significantly lower in Arctic foxes, highlighting the main role of exogenous fatty-acids in fat accumulation. Considering the same diet, liver-derived fat dominates adipose expansion in Arctic foxes. Liver transcriptome analysis revealed greater fat and VLDL synthesis in Arctic foxes, consistent with the greater VLDL. Glucose homeostasis wasn't impacted in Arctic foxes. And the free fatty-acids in adipose, which promote insulin resistance, also did not differ between groups. However, the hepatic glycogen was greater in Arctic foxes and transcriptome analysis revealed upregulated glycogen synthesis, improving glucose homeostasis. These results suggest that the superior fat accumulation capacity and distinct characteristics of hepatic and adipose lipid and glucose metabolism facilitate glucose homeostasis and massive fat accumulation in Arctic foxes.
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Affiliation(s)
- Yuhang Zhu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Yuan Yuan
- School of Ecology and Environment, Northwestern Polytechnical University, Xi’an, China
| | - Huazhe Si
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
- Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Songze Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Fei Zhao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Ruina Mu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Zihan Lin
- College of Plant Protection, Jilin Agricultural University, Changchun, China
| | - Xiaoxu Wang
- Department of Special Animal Nutrition and Feed Science, Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Qiang Qiu
- School of Ecology and Environment, Northwestern Polytechnical University, Xi’an, China
| | - Chao Xu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Lele Ji
- National Demonstration Center for Experimental Preclinical Medicine Education, The Fourth Military Medical University, Xi'an, China
| | - Zhipeng Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
- Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, China
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10
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Shrestha S, Taujale R, Katiyar S, Kannan N. Multi-omics reveals new links between Fructosamine-3-Kinase (FN3K) and core metabolic pathways. NPJ Syst Biol Appl 2024; 10:64. [PMID: 38830903 PMCID: PMC11148063 DOI: 10.1038/s41540-024-00390-0] [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: 02/06/2024] [Accepted: 05/20/2024] [Indexed: 06/05/2024] Open
Abstract
Fructosamine-3-kinases (FN3Ks) are a conserved family of repair enzymes that phosphorylate reactive sugars attached to lysine residues in peptides and proteins. Although FN3Ks are present across the Tree of Life and share detectable sequence similarity to eukaryotic protein kinases, the biological processes regulated by these kinases are largely unknown. To address this knowledge gap, we leveraged the FN3K CRISPR Knock-Out (KO) HepG2 cell line alongside an integrative multi-omics study combining transcriptomics, metabolomics, and interactomics to place these enzymes in a pathway context. The integrative analyses revealed the enrichment of pathways related to oxidative stress response, lipid biosynthesis (cholesterol and fatty acids), and carbon and co-factor metabolism. Moreover, enrichment of nicotinamide adenine dinucleotide (NAD) binding proteins and localization of human FN3K (HsFN3K) to mitochondria suggests potential links between FN3K and NAD-mediated energy metabolism and redox balance. We report specific binding of HsFN3K to NAD compounds in a metal and concentration-dependent manner and provide insight into their binding mode using modeling and experimental site-directed mutagenesis. Our studies provide a framework for targeting these understudied kinases in diabetic complications and metabolic disorders where redox balance and NAD-dependent metabolic processes are altered.
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Affiliation(s)
- Safal Shrestha
- Institute of Bioinformatics, University of Georgia, Athens, GA, USA
| | - Rahil Taujale
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA, USA
| | - Samiksha Katiyar
- Institute of Bioinformatics, University of Georgia, Athens, GA, USA.
| | - Natarajan Kannan
- Institute of Bioinformatics, University of Georgia, Athens, GA, USA.
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA, USA.
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11
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Wupperfeld D, Fricker G, Bois De Fer B, Popovic B. Essential phospholipids impact cytokine secretion and alter lipid-metabolizing enzymes in human hepatocyte cell lines. Pharmacol Rep 2024; 76:572-584. [PMID: 38664334 PMCID: PMC11126482 DOI: 10.1007/s43440-024-00595-4] [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: 11/23/2023] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 05/09/2024]
Abstract
BACKGROUND Essential phospholipids (EPL) are hepatoprotective. METHODS The effects on interleukin (IL)-6 and -8 secretion and on certain lipid-metabolizing enzymes of non-cytotoxic concentrations of EPL (0.1 and 0.25 mg/ml), polyenylphosphatidylcholine (PPC), and phosphatidylinositol (PtdIns) (both at 0.1 and 1 mg/ml), compared with untreated controls, were assessed in human hepatocyte cell lines (HepG2, HepaRG, and steatotic HepaRG). RESULTS Lipopolysaccharide (LPS)-induced IL-6 secretion was significantly decreased in HepaRG cells by most phospholipids, and significantly increased in steatotic HepaRG cells with at least one concentration of EPL and PtdIns. LPS-induced IL-8 secretion was significantly increased in HepaRG and steatotic HepaRG cells with all phospholipids. All phospholipids significantly decreased amounts of fatty acid synthase in steatotic HepaRG cells and the amounts of acyl-CoA oxidase in HepaRG cells. Amounts of lecithin cholesterol acyltransferase were significantly decreased in HepG2 and HepaRG cells by most phospholipids, and significantly increased with 0.1 mg/ml PPC (HepaRG cells) and 1 mg/ml PtdIns (steatotic HepaRG cells). Glucose-6-phosphate dehydrogenase activity was unaffected by any phospholipid in any cell line. CONCLUSIONS EPL, PPC, and PtdIns impacted the secretion of pro-inflammatory cytokines and affected amounts of several key lipid-metabolizing enzymes in human hepatocyte cell lines. Such changes may help liver function improvement, and provide further insights into the EPL's mechanism of action.
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Affiliation(s)
- Dominik Wupperfeld
- Department of Pharmaceutical Technology and Biopharmacy, Institute of Pharmacy and Molecular Biotechnology, Ruprecht-Karls University of Heidelberg, Heidelberg, Germany
| | - Gert Fricker
- Department of Pharmaceutical Technology and Biopharmacy, Institute of Pharmacy and Molecular Biotechnology, Ruprecht-Karls University of Heidelberg, Heidelberg, Germany
| | | | - Branko Popovic
- Sanofi, Frankfurt am Main, K607, 65929, Industriepark Hoechst, Germany.
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12
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Barbalho SM, de Alvares Goulart R, Minniti G, Bechara MD, de Castro MVM, Dias JA, Laurindo LF. Unraveling the rationale and conducting a comprehensive assessment of KD025 (Belumosudil) as a candidate drug for inhibiting adipogenic differentiation-a systematic review. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:2681-2699. [PMID: 37966572 DOI: 10.1007/s00210-023-02834-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 11/02/2023] [Indexed: 11/16/2023]
Abstract
Rho-associated kinases (ROCKs) are crucial during the adipocyte differentiation process. KD025 (Belumosudil) is a newly developed inhibitor that selectively targets ROCK2. It has exhibited consistent efficacy in impeding adipogenesis across a spectrum of in vitro models of adipogenic differentiation. Given the novelty of this treatment, a comprehensive systematic review has not been conducted yet. This systematic review aims to fill this knowledge void by providing readers with an extensive examination of the rationale behind KD025 and its impacts on adipogenesis. Preclinical evidence was gathered owing to the absence of clinical trials. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed, and the study's quality was assessed using the Joanna Briggs Institute (JBI) Checklist Critical Appraisal Tool for Systematic Reviews. In various in vitro models, such as 3T3-L1 cells, human orbital fibroblasts, and human adipose-derived stem cells, KD025 demonstrated potent anti-adipogenic actions. At a molecular level, KD025 had significant effects, including decreasing fibronectin (Fn) expression, inhibiting ROCK2 and CK2 activity, suppressing lipid droplet formation, and reducing the expression of proadipogenic genes peroxisome proliferator-activated receptor gamma (PPARγ) and CCAAT/enhancer-binding protein α (C/EBPα). Additionally, KD025 resulted in the suppression of fatty acid-binding protein 4 (FABP4 or AP2) expression, a decrease in sterol regulatory element binding protein 1c (SREBP-1c) and Glut-4 expression. Emphasis must be placed on the fact that while KD025 shows potential in preclinical studies and experimental models, extensive research is crucial to assess its efficacy, safety, and potential therapeutic applications thoroughly and directly in human subjects.
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Affiliation(s)
- Sandra Maria Barbalho
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Marília, São Paulo, 17500-000, Brazil
| | - Ricardo de Alvares Goulart
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
| | - Giulia Minniti
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
| | - Marcelo Dib Bechara
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
| | - Marcela Vialogo Marques de Castro
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
| | - Jefferson Aparecido Dias
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil
| | - Lucas Fornari Laurindo
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, 17525-902, Brazil.
- Department of Biochemistry and Pharmacology, School of Medicine, Faculdade de Medicina de Marília (FAMEMA), Marília, São Paulo, 17519-030, Brazil.
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Wang W, Liu Z, Wang X, Zhang F, Ma C, Zhao M, Ma K, Ma L. Feeding rhythm of the zoea larvae of Scylla paramamosain: The dynamic feeding rhythm is not completely synchronized with photoperiod. Heliyon 2024; 10:e29826. [PMID: 38681660 PMCID: PMC11053271 DOI: 10.1016/j.heliyon.2024.e29826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/25/2024] [Accepted: 04/16/2024] [Indexed: 05/01/2024] Open
Abstract
The feeding rhythm is one of the key factors determining the success of artificial breeding of S. paramamosain. To understand the feeding rhythm of the different zoea larva developmental stages of S. paramamosain, the feeding rate, digestive enzyme activity, and expression of metabolism-related genes were investigated in the present study. The results showed that the S. paramamosain feeding rate has strong diurnal feeding rhythm, being significantly higher at 10:00-14:00 from stages ZI to ZIV. While the feeding rate peaked at 14:00 on Days 10 and 11, the peak shifted to 18:00 on Day 12. The activity of digestive enzymes amylase, pepsin and lipase decreased at night but increased in the daytime, showing a single-phase rhythm similar to that of the feeding rate, suggesting that the digestive enzyme activity was closely associated with the feeding rate during the larval development. Compared to pepsin and lipase, the activity of amylase was the most consistent with feeding rate. In particular, amylase activity peaked at 18:00 on Day 12. Due to its synchronicity with feeding activity, the activity of amylase could provide a potential reference for determining the best feeding time during zoea stages in S. paramamosain breeding. Moreover, the relative mRNA expression of metabolism-related genes SpCHH and SpFAS at most tested points was lower from 10:00 to 14:00, but higher at 18:00 to 6:00 of the next day. On the other hand, the expression patterns of SpHSL and SpTryp were converse to those of SpCHH and SpFAS. Our findings revealed that the S. paramamosain zoea has an obvious feeding rhythm, and the most suitable feeding time was 10:00-18:00 depending on different stages. The feeding rhythm is a critical aspect in aquaculture, influencing a series of physiological functions in aquatic animals. This study provides insights into the feeding rhythm during the zoea development of S. paramamosain, making a significant contribution to optimizing feeding strategy, improving aquafeed utilization, and reducing the impact of residual feed on water environment.
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Affiliation(s)
| | | | - Xueyang Wang
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Yangpu Area, Shanghai 200090, PR China
| | - Fengying Zhang
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Yangpu Area, Shanghai 200090, PR China
| | - Chunyan Ma
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Yangpu Area, Shanghai 200090, PR China
| | - Ming Zhao
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Yangpu Area, Shanghai 200090, PR China
| | - Keyi Ma
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Yangpu Area, Shanghai 200090, PR China
| | - Lingbo Ma
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Yangpu Area, Shanghai 200090, PR China
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Yuan L, Zhang W, Fang W, Zhuang X, Gong W, Xu X, Li Y, Wang X. Sea Buckthorn Polyphenols Alleviate High-Fat-Diet-Induced Metabolic Disorders in Mice via Reprograming Hepatic Lipid Homeostasis Owing to Directly Targeting Fatty Acid Synthase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:8632-8649. [PMID: 38577880 DOI: 10.1021/acs.jafc.4c01351] [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: 04/06/2024]
Abstract
Our previous studies found that Sea Buckthorn polyphenols (SBP) extract inhibits fatty acid synthase (FAS) in vitro. Thus, we continued to explore possible effects and underlying mechanisms of SBP on complicated metabolic disorders in long-term high-fat-diet (HFD)-fed mice. To reveal that, an integrated approach was developed in this study. Targeted quantitative lipidomics with a total of 904 unique lipids mapping contributes to profiling the comprehensive features of disarranged hepatic lipid homeostasis and discovering a set of newfound lipid-based biomarkers to predict the occurrence and indicate the progression of metabolic disorders beyond current indicators. On the other hand, technologies of intermolecular interactions characterization, especially surface plasmon resonance (SPR) assay, contribute to recognizing targeted bioactive constituents present in SBP. Our findings highlight hepatic lipid homeostasis maintenance and constituent-FAS enzyme interactions, to provide new insights that SBP as a functional food alleviates HFD-induced metabolic disorders in mice via reprograming hepatic lipid homeostasis caused by targeting FAS, owing to four polyphenols directly interacting with FAS and cinaroside binding to FAS with good affinity.
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Affiliation(s)
- Luping Yuan
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Wanlin Zhang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Wenxiu Fang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Xinying Zhuang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Wan Gong
- Fuyang Research Institute, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Xiaoying Xu
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Yingting Li
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Xiaoyan Wang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
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Yin Y, Gong S, Han M, Wang J, Shi H, Jiang X, Guo L, Duan Y, Guo Q, Chen Q, Li F. Leucine regulates lipid metabolism in adipose tissue through adipokine-mTOR-SIRT1 signaling pathway and bile acid-microbe axis in a finishing pig model. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 16:158-173. [PMID: 38357569 PMCID: PMC10864217 DOI: 10.1016/j.aninu.2023.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 10/07/2023] [Accepted: 10/12/2023] [Indexed: 02/16/2024]
Abstract
This study was conducted to explore the regulatory mechanism of leucine (Leu) on lipid metabolism of finishing pigs. Twenty-four Duroc × Landrace × Large cross pigs with an average body weight of 68.33 ± 0.97 kg were randomly allocated into 3 treatment groups with 8 replicates per group (1 pig per replicate). The dietary treatments were as follows: control group (CON), 0.25% Leu group and 0.50% Leu group. The experimental period was 42 d. The results showed as follows. (1) Compared with the CON, 0.25% and 0.50% Leu increased (P < 0.01) the average daily gain (ADG), while the average backfat thickness (ABT) and the ratio of feed intake to body weight gain (F:G ratio) were decreased (P < 0.05). (2) In the 0.25% Leu group, the relative mRNA expression levels of sterol regulatory element binding protein-1c (SREBP1c), recombinant fatty acid transport protein 1 (FATP1), chemerin and peroxisome proliferator-activated receptor γ (PPARγ) were decreased but the level of fatty acid binding protein 4 (FABP4) and fatty acid translocase (FAT/CD36) were increased in backfat tissue. In the 0.25% Leu group, the protein levels of p-Rictor, p-Raptor, p-eIF4E-binding protein 1 (p-4EBP1), p-silent mating type information regulator 2 homolog 1 (p-SIRT1) and acetylation ribosome s6 protein kinase 1 (Ac-S6K1) were increased (P < 0.05). (3) Compared to the CON, the diversity of gut microbiota in the 0.25% Leu group was increased. Principal component analysis showed that the relative abundance of Bacteroidetes, Lactobacillus and Desulfovibrio was higher in the 0.25% Leu group than the CON, but the relative abundance of Firmicutes, Treponema and Shigella was lower than in the CON (P < 0.05). (4) Four different metabolites were screened out from the serum of finishing pigs including allolithocholic acid (alloLCA), isolithocholic acid (isoLCA), ursodeoxycholic acid (UDCA) and hyodeoxycholic acid (HDCA), which correlate to various degrees with the above microorganisms. In conclusion, Leu could promote adipose tissue lipolysis of finishing pigs through the mTOR-SIRT1 signaling pathway, and S6K1 is acetylated at the same time, and the interaction between gut microbiota and bile acid metabolism is also involved.
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Affiliation(s)
- Yunju Yin
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Saiming Gong
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Mengmeng Han
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
- College of Modern Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jingzun Wang
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou 730124, China
| | - Hanjing Shi
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
- College of Life Sciences, Hunan Normal University, Changsha 410128, China
| | - Xianji Jiang
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Liu Guo
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
- College of Modern Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yehui Duan
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
| | - Qiuping Guo
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
| | - Qinghua Chen
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Fengna Li
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha 410125, China
- College of Modern Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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16
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Zhu B, Wu H, Li KS, Eisa-Beygi S, Singh B, Bielenberg DR, Huang W, Chen H. Two sides of the same coin: Non-alcoholic fatty liver disease and atherosclerosis. Vascul Pharmacol 2024; 154:107249. [PMID: 38070759 DOI: 10.1016/j.vph.2023.107249] [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: 11/03/2023] [Revised: 11/20/2023] [Accepted: 11/25/2023] [Indexed: 02/03/2024]
Abstract
The prevalence of non-alcoholic fatty liver disease (NAFLD) and atherosclerosis remain high, which is primarily due to widespread adoption of a western diet and sedentary lifestyle. NAFLD, together with advanced forms of this disease such as non-alcoholic steatohepatitis (NASH) and cirrhosis, are closely associated with atherosclerotic-cardiovascular disease (ASCVD). In this review, we discussed the association between NAFLD and atherosclerosis and expounded on the common molecular biomarkers underpinning the pathogenesis of both NAFLD and atherosclerosis. Furthermore, we have summarized the mode of function and potential clinical utility of existing drugs in the context of these diseases.
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Affiliation(s)
- Bo Zhu
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, United States of America
| | - Hao Wu
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, United States of America
| | - Kathryn S Li
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, United States of America
| | - Shahram Eisa-Beygi
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, United States of America
| | - Bandana Singh
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, United States of America
| | - Diane R Bielenberg
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, United States of America
| | - Wendong Huang
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolic Research Institute, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, United States of America
| | - Hong Chen
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, United States of America.
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17
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Song H, Li H, Lu J, Chen M, Cao Y, Chu Q. Chaenomeles sinensis (Thouin) Koehne fruit polyphenols alleviate high-fat diet-induced obesity and liver steatosis by improving lipid metabolism in mice. Nutr Res 2024; 123:111-119. [PMID: 38310647 DOI: 10.1016/j.nutres.2024.01.008] [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: 11/03/2023] [Revised: 01/14/2024] [Accepted: 01/15/2024] [Indexed: 02/06/2024]
Abstract
Chaenomeles sinensis (Thouin) Koehne fruit is a rich source of medicinally and nutritionally important natural phytochemicals that benefit human health. Based on the information provided, we hypothesized that Chaenomeles sinensis (Thouin) Koehne fruit polyphenols (CSFP) possessed in vivo protective effect of on high-fat diet (HFD)-induced obesity and hepatic steatosis. Specific pathogen-free male C57BL/6J mice were randomly divided into 3 groups and fed with a low-fat diet, HFD, or HFD supplemented with CSFP by intragastric administration for 14 weeks. Obesity-related biochemical indexes and hepatic gene expression profile were determined. The findings of this study demonstrated notable reductions in body weight gain, serum triglycerides, total cholesterol, low-density lipoprotein cholesterol, and steatosis grade in the group supplemented with CSFP compared with the HFD group. Gene expression analysis provided insights into the molecular mechanisms, demonstrating that CSFP downregulated the expression of key genes involved in lipogenesis (e.g., Fas, Fads2, Scd1) and upregulated the genes associated with fatty acid oxidation (e.g., Pparα, Cpt1a, Acox1), while also suppressing genes implicated in cholesterol homeostasis (e.g., HMGCoR, Insig1, AdipoR2). These molecular changes suggest that CSFP exerts protective effects by modulating hepatic lipid metabolism pathways, thereby mitigating the metabolic derangements associated with HFD-induced obesity and hepatic steatosis.
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Affiliation(s)
- Haizhao Song
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China.
| | - Hong Li
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Jing Lu
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Minfang Chen
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Yubo Cao
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Qiang Chu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
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18
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Jeong KJ, Mukae M, Lee SR, Kim SY, Kim SH, Cho YE, An BS, Ko JW, Kwun HJ, Baek IJ, Hong EJ. Progesterone increases hepatic lipid content and plasma lipid levels through PR- B-mediated lipogenesis. Biomed Pharmacother 2024; 172:116281. [PMID: 38364736 DOI: 10.1016/j.biopha.2024.116281] [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: 11/08/2023] [Revised: 02/04/2024] [Accepted: 02/13/2024] [Indexed: 02/18/2024] Open
Abstract
Progesterone (P4) is a crucial reproductive hormone that acts as a precursor for all other endogenous steroids. P4 modulates transcriptional activity during reproduction by binding to progesterone receptors (PR). However, the physiological role of P4 in the liver is understudied. P4-mediated lipid metabolism in the liver was investigated in this study, as P4 facilitates insulin resistance and influences energy metabolism. While exogenous lipids are mainly obtained from food, the liver synthesizes endogenous triglycerides and cholesterol from a carbohydrate diet. Hepatic de novo lipogenesis (DNL) is primarily determined by acetyl-CoA and its biosynthetic pathways, which involve fatty acid and cholesterol synthesis. While P4 increased the hepatic levels of sterol regulatory element-binding protein 1 C (SREBP-1 C), peroxisome proliferator-activated receptor-gamma (PPARγ), acetyl-CoA carboxylase (ACC), and CD36, co-treatment with the P4 receptor antagonist RU486 blocked these proteins and P4-mediated lipogenesis. RNA sequencing was used to assess the role of P4 in lipogenic events, such as fatty liver and fatty acid metabolism, lipoprotein signaling, and cholesterol metabolism. P4 induced hepatic DNL and lipid anabolism were confirmed in the liver of ovarian resection mice fed a high-fat diet or in pregnant mice. P4 increased lipogenesis directly in mice exposed to P4 and indirectly in fetuses exposed to maternal P4. The lipid balance between lipogenesis and lipolysis determines fat build-up and is linked to lipid metabolism dysfunction, which involves the breakdown and storage of fats for energy and the synthesis of structural and functional lipids. Therefore, P4 may impact the lipid metabolism and reproductive development during gestation.
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Affiliation(s)
- Kang Ju Jeong
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Moeka Mukae
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Sang R Lee
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Sang-Yun Kim
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea; Reproductive Toxicology Research Group, Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Seong Hyeon Kim
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea; Reproductive Toxicology Research Group, Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Young-Eun Cho
- Department of Food and Nutrition, Andong National University, Andong, Korea
| | - Beum-Soo An
- Department of Biomaterials Science, College of Natural Resources & Life Science, Pusan National University, Miryang 50463, Republic of Korea
| | - Je-Won Ko
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Hyo-Jung Kwun
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - In-Jeoung Baek
- Department of Convergence Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
| | - Eui-Ju Hong
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea.
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19
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Shrestha S, Taujale R, Katiyar S, Kannan N. Illuminating the functions of the understudied Fructosamine-3-kinase (FN3K) using a multi-omics approach reveals new links to lipid, carbon, and co-factor metabolic pathways. RESEARCH SQUARE 2024:rs.3.rs-3934957. [PMID: 38410452 PMCID: PMC10896376 DOI: 10.21203/rs.3.rs-3934957/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Fructosamine-3-kinases (FN3Ks) are a conserved family of repair enzymes that phosphorylate reactive sugars attached to lysine residues in peptides and proteins. Although FN3Ks are present across the tree of life and share detectable sequence similarity to eukaryotic protein kinases, the biological processes regulated by these kinases are largely unknown. To address this knowledge gap, we leveraged the FN3K CRISPR Knock-Out (KO) cell line alongside an integrative multi-omics study combining transcriptomics, metabolomics, and interactomics to place these enzymes in a pathway context. The integrative analyses revealed the enrichment of pathways related to oxidative stress response, lipid biosynthesis (cholesterol and fatty acids), carbon and co-factor metabolism. Moreover, enrichment of nicotinamide adenine dinucleotide (NAD) binding proteins and localization of human FN3K (HsFN3K) to mitochondria suggests potential links between FN3Ks and NAD-mediated energy metabolism and redox balance. We report specific binding of HsFN3K to NAD compounds in a metal and concentration-dependent manner and provide insight into their binding mode using modeling and experimental site-directed mutagenesis. By identifying a potential link between FN3Ks, redox regulation, and NAD-dependent metabolic processes, our studies provide a framework for targeting these understudied kinases in diabetic complications and metabolic disorders where redox balance is altered.
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Affiliation(s)
- Safal Shrestha
- Institute of Bioinformatics; University of Georgia, Athens, GA, USA
| | - Rahil Taujale
- Department of Biochemistry and Molecular Biology; University of Georgia, Athens, GA, USA
| | - Samiksha Katiyar
- Department of Biochemistry and Molecular Biology; University of Georgia, Athens, GA, USA
| | - Natarajan Kannan
- Institute of Bioinformatics; University of Georgia, Athens, GA, USA
- Department of Biochemistry and Molecular Biology; University of Georgia, Athens, GA, USA
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20
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Lee NR, Kwon TJ, Chung EC, Bae J, Soung SH, Tak HJ, Choi JY, Lee YE, Won Hwang N, Lee JS, Shin KJ, Lee CH, Kim K, Kim S. Combination of Lacticaseibacillus paracasei BEPC22 and Lactiplantibacillus plantarum BELP53 attenuates fat accumulation and alters the metabolome and gut microbiota in mice with high-fat diet-induced obesity. Food Funct 2024; 15:647-662. [PMID: 38099933 DOI: 10.1039/d3fo03557c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
This study evaluated the effects of formulations with Lacticaseibacillus paracasei BEPC22 and Lactiplantibacillus plantarum BELP53 on adiposity, the alteration of microbiota, and the metabolome in high-fat diet-fed mice. The strains were selected based on their fat and glucose absorption inhibitory activities and potential metabolic interactions. The optimal ratio of the two strains in the probiotic formulation was determined based on their adipocyte differentiation inhibitory activities. Treatment of formulations with BEPC22 and BELP53 for 10 weeks decreased body weight gain at 6 weeks; it also decreased the food efficiency ratio, white adipose tissue volume, and adipocyte size. Moreover, it decreased the expression of the lipogenic gene Ppar-γ in the liver, while significantly increasing the expression of the fat oxidation gene Ppar-α in the white adipose tissue. Notably, treatment with a combination of the two strains significantly reduced the plasma levels of the obesity hormone leptin and altered the microbiota and metabolome. The omics data also indicated the alteration of anti-obesity microbes and metabolites such as Akkermansia and indolelactic acid, respectively. These findings suggest that treatment with a combination of BEPC22 and BELP53 exerts synergistic beneficial effects against obesity.
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Affiliation(s)
- Na-Rae Lee
- Research Institute for Bioactive-Metabolome Network, Konkuk University, Seoul 05029, Republic of Korea
| | - Tae-Jun Kwon
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea.
| | - Eui-Chun Chung
- R&D Center, Hecto Healthcare Co., Ltd, Seoul 06142, Republic of Korea.
| | - Jaewoong Bae
- R&D Center, Hecto Healthcare Co., Ltd, Seoul 06142, Republic of Korea.
| | - Song-Hui Soung
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05209, Republic of Korea
| | - Hyun-Ji Tak
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05209, Republic of Korea
| | - Jun-Young Choi
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea.
| | - Young-Eun Lee
- Cognitive Science Research Group, Korea Brain Research Institute, Daegu 41062, Republic of Korea
| | - Nak Won Hwang
- R&D Center, Hecto Healthcare Co., Ltd, Seoul 06142, Republic of Korea.
| | - Jong Seo Lee
- R&D Center, Hecto Healthcare Co., Ltd, Seoul 06142, Republic of Korea.
| | - Kum-Joo Shin
- R&D Center, Hecto Healthcare Co., Ltd, Seoul 06142, Republic of Korea.
| | - Choong Hwan Lee
- Research Institute for Bioactive-Metabolome Network, Konkuk University, Seoul 05029, Republic of Korea
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05209, Republic of Korea
| | - KilSoo Kim
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea.
- College of Veterinary Medicine, Kyungpook National University, 80 Daehakro, Buk-gu, Daegu 41566, Korea
| | - Seokjin Kim
- R&D Center, Hecto Healthcare Co., Ltd, Seoul 06142, Republic of Korea.
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21
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Danielewski M, Rapak A, Kruszyńska A, Małodobra-Mazur M, Oleszkiewicz P, Dzimira S, Kucharska AZ, Słupski W, Matuszewska A, Nowak B, Szeląg A, Piórecki N, Zaleska-Dorobisz U, Sozański T. Cornelian Cherry ( Cornus mas L.) Fruit Extract Lowers SREBP-1c and C/EBPα in Liver and Alters Various PPAR-α, PPAR-γ, LXR-α Target Genes in Cholesterol-Rich Diet Rabbit Model. Int J Mol Sci 2024; 25:1199. [PMID: 38256272 PMCID: PMC10816641 DOI: 10.3390/ijms25021199] [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: 12/23/2023] [Revised: 01/13/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024] Open
Abstract
Cornelian cherry (Cornus mas L.) fruits, abundant in iridoids and anthocyanins, are natural products with proven beneficial impacts on the functions of the cardiovascular system and the liver. This study aims to assess and compare whether and to what extent two different doses of resin-purified cornelian cherry extract (10 mg/kg b.w. or 50 mg/kg b.w.) applied in a cholesterol-rich diet rabbit model affect the levels of sterol regulatory element-binding protein 1c (SREBP-1c) and CCAAT/enhancer binding protein α (C/EBPα), and various liver X receptor-α (LXR-α), peroxisome proliferator-activated receptor-α (PPAR-α), and peroxisome proliferator-activated receptor-γ (PPAR-γ) target genes. Moreover, the aim is to evaluate the resistive index (RI) of common carotid arteries (CCAs) and aortas, and histopathological changes in CCAs. For this purpose, the levels of SREBP-1c, C/EBPα, ATP-binding cassette transporter A1 (ABCA1), ATP-binding cassette transporter G1 (ABCG1), fatty acid synthase (FAS), endothelial lipase (LIPG), carnitine palmitoyltransferase 1A (CPT1A), and adiponectin receptor 2 (AdipoR2) in liver tissue were measured. Also, the levels of lipoprotein lipase (LPL), visceral adipose tissue-derived serine protease inhibitor (Vaspin), and retinol-binding protein 4 (RBP4) in visceral adipose tissue were measured. The RI of CCAs and aortas, and histopathological changes in CCAs, were indicated. The oral administration of the cornelian cherry extract decreased the SREBP-1c and C/EBPα in both doses. The dose of 10 mg/kg b.w. increased ABCA1 and decreased FAS, CPT1A, and RBP4, and the dose of 50 mg/kg b.w. enhanced ABCG1 and AdipoR2. Mitigations in atheromatous changes in rabbits' CCAs were also observed. The obtained outcomes were compared to the results of our previous works. The beneficial results confirm that cornelian cherry fruit extract may constitute a potentially effective product in the prevention and treatment of obesity-related disorders.
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Affiliation(s)
- Maciej Danielewski
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (W.S.); (A.M.); (B.N.); (A.S.)
| | - Andrzej Rapak
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114 Wroclaw, Poland; (A.R.); (A.K.)
| | - Angelika Kruszyńska
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114 Wroclaw, Poland; (A.R.); (A.K.)
| | - Małgorzata Małodobra-Mazur
- Department of Forensic Medicine, Division of Molecular Techniques, Wroclaw Medical University, M. Sklodowskiej-Curie 52, 50-369 Wroclaw, Poland;
| | - Paweł Oleszkiewicz
- Department of Radiology and Imaging Diagnostics II, Lower Silesian Center of Oncology, Pulmonology and Hematology, Grabiszynska 105, 53-439 Wroclaw, Poland;
| | - Stanisław Dzimira
- Department of Pathology, Wroclaw University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wroclaw, Poland;
| | - Alicja Z. Kucharska
- Department of Fruit, Vegetable, and Plant Nutraceutical Technology, Wroclaw University of Environmental and Life Sciences, J. Chelmonskiego 37, 51-630 Wroclaw, Poland;
| | - Wojciech Słupski
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (W.S.); (A.M.); (B.N.); (A.S.)
| | - Agnieszka Matuszewska
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (W.S.); (A.M.); (B.N.); (A.S.)
| | - Beata Nowak
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (W.S.); (A.M.); (B.N.); (A.S.)
| | - Adam Szeląg
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (W.S.); (A.M.); (B.N.); (A.S.)
| | - Narcyz Piórecki
- Bolestraszyce Arboretum and Institute of Physiography, Bolestraszyce 130, 37-722 Wyszatyce, Poland;
- Institute of Physical Culture Sciences, Medical College, University of Rzeszow, Cicha 2A, 35-326 Rzeszow, Poland
| | - Urszula Zaleska-Dorobisz
- Department of General and Pediatric Radiology, Wroclaw Medical University, M. Sklodowskiej-Curie 50/52, 50-369 Wroclaw, Poland;
| | - Tomasz Sozański
- Department of Preclinical Sciences, Pharmacology and Medical Diagnostics, Faculty of Medicine, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland;
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22
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São José VPBD, Grancieri M, Toledo RCL, Mejia EGD, da Silva BP, Martino HSD. A bioactive compound digested chia protein is capable of modulating NFκB mediated hepatic inflammation in mice fed a high-fat diet. Food Res Int 2024; 175:113740. [PMID: 38128992 DOI: 10.1016/j.foodres.2023.113740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 11/07/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023]
Abstract
The consumption of diets high in saturated fat can induce damages in liver morphology and function, which leads to increased inflammation, oxidative stress, and hepatic steatosis. Chia seed (Salvia hispanica L.) is rich in protein, which provides bioactive peptides with potential benefits, including antioxidant and anti-inflammatory functions. Then, this study aimed to analyze the effect of digested total protein (DTP) of chia on inflammation, oxidative stress, and morphological changes in liver of C57BL/6 mice fed a diet rich in saturated fat. Male C57BL/6 mice (n = 8/group), 8 weeks old, were fed standard diet (AIN), high-fat diet (HF), standard diet added digested protein (AIN + DTP) or high-fat diet added digested protein (HF + DTP) for 8 weeks. In animals fed a high-fat diet, chia DTP was able to reduce weight gain, food efficiency ratio and hepatosomatic index. In addition, it presented antioxidant capacity, which reduced catalase activity and lipid peroxidation. DTP was also able to reduce hepatic inflammation by reducing p65-NFκB expression and IL-1β expression and quantification. The APSPPVLGPP peptide present in chia DTP presented binding capacity with PPAR-α, which contributed to the reduction of hepatic fat accumulation evidenced by histological analysis. Thus, chia DTP improved hepatic inflammatory and histological parameters, being an effective food in reducing the liver damage caused by a high-fat diet.
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Affiliation(s)
| | - Mariana Grancieri
- Department of Pharmacy and Nutrition, Center for Exact, Natural and Health Sciences, Federal University of Espírito Santo, Alegre 29500-000, ES, Brazil
| | - Renata Celi Lopes Toledo
- Department of Nutrition and Health. Universidade Federal de Viçosa. Av. Purdue, s/n, Campus Universitário, Viçosa, MG Zip Code: 36.570-900, Brazil
| | - Elvira Gonzalez de Mejia
- Department of Food Science & Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Bárbara Pereira da Silva
- Department of Nutrition and Health. Universidade Federal de Viçosa. Av. Purdue, s/n, Campus Universitário, Viçosa, MG Zip Code: 36.570-900, Brazil
| | - Hércia Stampini Duarte Martino
- Department of Nutrition and Health. Universidade Federal de Viçosa. Av. Purdue, s/n, Campus Universitário, Viçosa, MG Zip Code: 36.570-900, Brazil.
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23
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Perumal NL, Do SK, Choi JS, Lee JH, Ban GT, Kim G, Mufida A, Yoo HS, Jang BC. Anti‑adipogenic effect and underlying mechanism of lignan‑enriched nutmeg extract on 3T3‑L1 preadipocytes. Biomed Rep 2024; 20:4. [PMID: 38124767 PMCID: PMC10729302 DOI: 10.3892/br.2023.1692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 10/31/2023] [Indexed: 12/23/2023] Open
Abstract
Nutmeg is the seed derived from Myristica fragrans. Nutmeg seeds contain alkylbenzene derivatives such as myristicin, which are toxic to the human organism, and lignan compounds such as nectandrin B, which possess anti-aging and anti-diabetic properties. However, the anti-adipogenic, prolipolytic and anti-inflammatory effects of lignan-enriched nutmeg extract (LNX) on preadipocytes remain unclear. In the present study, the effects of LNX on lipid accumulation, glycerol release and inflammatory cyclooxygenase-2 (COX-2) expression in differentiated 3T3-L1 preadipocytes were investigated. Oil red O staining demonstrated that treatment with LNX resulted in a concentration-dependent reduction in lipid accumulation in differentiating 3T3-L1 preadipocytes without affecting cell growth. Mechanistically, LNX treatment at 6 µg/ml led to a reduction in phosphorylation levels of signal transducer and activator of transcription 3 (STAT3), whereas it did not influence the peroxisome proliferator-activated receptor gamma (PPAR-γ) and CCAAT enhancer binding protein alpha (C/EBP-α) expression levels during 3T3-L1 preadipocyte differentiation. In addition, LNX treatment at 6 µg/ml led to a decrease in fatty acid synthase (FAS) expression levels on day (D) 2, but not D5 and D8, during preadipocyte differentiation. Treatment with LNX at 6 µg/ml did not affect the expression levels of perilipin A during preadipocyte differentiation. In differentiated 3T3-L1 adipocytes, LNX treatment at 6 µg/ml did not stimulate glycerol release and hormone-sensitive lipase phosphorylation, which are known lipolysis hallmarks. Furthermore, LNX treatment at the doses tested had no effect on tumor necrosis factor alpha-induced COX-2 expression in 3T3-L1 preadipocytes. Collectively, these results demonstrated that LNX has an anti-adipogenic effect on differentiating 3T3-L1 preadipocytes, which is mediated by the downregulation of STAT3 phosphorylation and FAS expression.
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Affiliation(s)
| | - Sung Kuk Do
- College of Korean Medicine, Daejeon University, Daejeon 34520, Republic of Korea
| | - Jong-Soon Choi
- Research Center for Materials Analysis, Korea Basic Science Institute, Daejeon 34133, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Je-Ho Lee
- Geron Biotech Ltd., Daejeon 34133, Republic of Korea
| | - Gyung-Tae Ban
- Geron Biotech Ltd., Daejeon 34133, Republic of Korea
| | - Gyuri Kim
- Research Center for Materials Analysis, Korea Basic Science Institute, Daejeon 34133, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Amila Mufida
- Department of Molecular Medicine, College of Medicine, Keimyung University, Daegu 42601, Republic of Korea
| | - Hwa Seung Yoo
- College of Korean Medicine, Daejeon University, Daejeon 34520, Republic of Korea
| | - Byeong-Churl Jang
- Department of Molecular Medicine, College of Medicine, Keimyung University, Daegu 42601, Republic of Korea
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24
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Yun C, Kim SH, Kwon D, Byun MR, Chung KW, Lee J, Jung YS. Doxorubicin Attenuates Free Fatty Acid-Induced Lipid Accumulation via Stimulation of p53 in HepG2 Cells. Biomol Ther (Seoul) 2024; 32:94-103. [PMID: 38148555 PMCID: PMC10762281 DOI: 10.4062/biomolther.2023.200] [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: 11/09/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 12/28/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is characterized by excessive accumulation of fat in the liver, and there is a global increase in its incidence owing to changes in lifestyle and diet. Recent findings suggest that p53 is involved in the development of non-alcoholic fatty liver disease; however, the association between p53 expression and the disease remains unclear. Doxorubicin, an anticancer agent, increases the expression of p53. Therefore, this study aimed to investigate the role of doxorubicin-induced p53 upregulation in free fatty acid (FFA)-induced intracellular lipid accumulation. HepG2 cells were pretreated with 0.5 μg/mL of doxorubicin for 12 h, followed by treatment with FFA (0.5 mM) for 24 h to induce steatosis. Doxorubicin pretreatment upregulated p53 expression and downregulated the expression of endoplasmic reticulum stress- and lipid synthesis-associated genes in the FFA -treated HepG2 cells. Additionally, doxorubicin treatment upregulated the expression of AMP-activated protein kinase, a key modulator of lipid metabolism. Notably, siRNA-targeted p53 knockdown reversed the effects of doxorubicin in HepG2 cells. Moreover, doxorubicin treatment suppressed FFA -induced lipid accumulation in HepG2 spheroids. Conclusively, these results suggest that doxorubicin possesses potential application for the regulation of lipid metabolism by enhance the expression of p53 an in vitro NAFLD model.
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Affiliation(s)
- Chawon Yun
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Sou Hyun Kim
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Doyoung Kwon
- College of Pharmacy, Jeju Research Institute of Pharmaceutical Sciences, Jeju National University, Jeju 63243, Republic of Korea
| | - Mi Ran Byun
- College of Pharmacy, Daegu Catholic University, Gyeongsan 38430, Republic of Korea
| | - Ki Wung Chung
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Jaewon Lee
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
| | - Young-Suk Jung
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan 46241, Republic of Korea
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25
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Whitham D, Bruno P, Haaker N, Arcaro KF, Pentecost BT, Darie CC. Deciphering a proteomic signature for the early detection of breast cancer from breast milk: the role of quantitative proteomics. Expert Rev Proteomics 2024; 21:81-98. [PMID: 38376826 DOI: 10.1080/14789450.2024.2320158] [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: 09/05/2023] [Accepted: 12/26/2023] [Indexed: 02/21/2024]
Abstract
INTRODUCTION Breast cancer is one of the most prevalent cancers among women in the United States. Current research regarding breast milk has been focused on the composition and its role in infant growth and development. There is little information about the proteins, immune cells, and epithelial cells present in breast milk which can be indicative of the emergence of BC cells and tumors. AREAS COVERED We summarize all breast milk studies previously done in our group using proteomics. These studies include 1D-PAGE and 2D-PAGE analysis of breast milk samples, which include within woman and across woman comparisons to identify dysregulated proteins in breast milk and the roles of these proteins in both the development of BC and its diagnosis. Our projected outlook for the use of milk for cancer detection is also discussed. EXPERT OPINION Analyzing the samples by multiple methods allows one to interrogate a set of samples with various biochemical methods that complement each other, thus providing a more comprehensive proteome. Complementing methods like 1D-PAGE, 2D-PAGE, in-solution digestion and proteomics analysis with PTM-omics, peptidomics, degradomics, or interactomics will provide a better understanding of the dysregulated proteins, but also the modifications or interactions between these proteins.
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Affiliation(s)
- Danielle Whitham
- Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY, USA
| | - Pathea Bruno
- Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY, USA
| | - Norman Haaker
- Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY, USA
| | - Kathleen F Arcaro
- Department of Veterinary & Animal Sciences, University of Massachusetts, Amherst, MA, USA
| | - Brian T Pentecost
- Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY, USA
- Department of Veterinary & Animal Sciences, University of Massachusetts, Amherst, MA, USA
| | - Costel C Darie
- Department of Chemistry and Biochemistry, Clarkson University, Potsdam, NY, USA
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26
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Guo Y, Tian W, Wang D, Yang L, Wang Z, Wu X, Zhi Y, Zhang K, Wang Y, Li Z, Jiang R, Sun G, Li G, Tian Y, Wang H, Kang X, Liu X, Li H. LncHLEF promotes hepatic lipid synthesis through miR-2188-3p/GATA6 axis and encoding peptides and enhances intramuscular fat deposition via exosome. Int J Biol Macromol 2023; 253:127061. [PMID: 37751822 DOI: 10.1016/j.ijbiomac.2023.127061] [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: 03/19/2023] [Revised: 08/29/2023] [Accepted: 09/20/2023] [Indexed: 09/28/2023]
Abstract
Long noncoding RNAs (lncRNAs) have emergingly been implicated in mammalian lipid metabolism. However, their biological functions and regulatory mechanisms underlying adipogenesis remain largely elusive in chicken. Here, we systematically characterized the genome-wide full-length lncRNAs in the livers of pre- and peak-laying hens, and identified a novel intergenic lncRNA, lncHLEF, an RNA macromolecule with a calculated molecular weight of 433 kDa. lncHLEF was primarily distributed in cytoplasm of chicken hepatocyte and significantly up-regulated in livers of peak-laying hens. Functionally, lncHLEF could promote hepatocyte lipid droplet formation, triglycerides and total cholesterol contents. Mechanistically, lncHLEF could not only serve as a competitive endogenous RNA to modulate miR-2188-3p/GATA6 axis, but also encode three small functional polypeptides that directly interact with ACLY protein to enable its stabilization. Importantly, adeno-associated virus-mediated liver-specific lncHLEF overexpression resulted in increased hepatic lipid synthesis and intramuscular fat (IMF) deposition, but did not alter abdominal fat (AbF) deposition. Furthermore, hepatocyte lncHLEF could be delivered into intramuscular and abdominal preadipocytes via hepatocyte-secreted exosome to enhance intramuscular preadipocytes differentiation without altering abdominal preadipocytes differentiation. In conclusion, this study revealed that the lncHLEF could promote hepatic lipid synthesis through two independent regulatory mechanisms, and could enhance IMF deposition via hepatocyte-adipocyte communications mediated by exosome.
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Affiliation(s)
- Yulong Guo
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Weihua Tian
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Dandan Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Liyu Yang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Zhang Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Xing Wu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Yihao Zhi
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Ke Zhang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Yangyang Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Zhuanjian Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; Henan Key Laboratory for Innovation and Utilization of Chicken Germplasm Resources, Zhengzhou 450046, China; International Joint Research Laboratory for Poultry Breeding of Henan, Zhengzhou 450002, China
| | - Ruirui Jiang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; Henan Key Laboratory for Innovation and Utilization of Chicken Germplasm Resources, Zhengzhou 450046, China; International Joint Research Laboratory for Poultry Breeding of Henan, Zhengzhou 450002, China
| | - Guirong Sun
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; Henan Key Laboratory for Innovation and Utilization of Chicken Germplasm Resources, Zhengzhou 450046, China; International Joint Research Laboratory for Poultry Breeding of Henan, Zhengzhou 450002, China
| | - Guoxi Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; Henan Key Laboratory for Innovation and Utilization of Chicken Germplasm Resources, Zhengzhou 450046, China; International Joint Research Laboratory for Poultry Breeding of Henan, Zhengzhou 450002, China
| | - Yadong Tian
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; Henan Key Laboratory for Innovation and Utilization of Chicken Germplasm Resources, Zhengzhou 450046, China; International Joint Research Laboratory for Poultry Breeding of Henan, Zhengzhou 450002, China
| | - Hongjun Wang
- Center for Cellular Therapy, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Xiangtao Kang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; Henan Key Laboratory for Innovation and Utilization of Chicken Germplasm Resources, Zhengzhou 450046, China; International Joint Research Laboratory for Poultry Breeding of Henan, Zhengzhou 450002, China.
| | - Xiaojun Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; Henan Key Laboratory for Innovation and Utilization of Chicken Germplasm Resources, Zhengzhou 450046, China; International Joint Research Laboratory for Poultry Breeding of Henan, Zhengzhou 450002, China.
| | - Hong Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; Henan Key Laboratory for Innovation and Utilization of Chicken Germplasm Resources, Zhengzhou 450046, China; International Joint Research Laboratory for Poultry Breeding of Henan, Zhengzhou 450002, China.
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Li C, Gao J, Guo S, He B, Ma W. Effects of Curcumin on the Egg Quality and Hepatic Lipid Metabolism of Laying Hens. Animals (Basel) 2023; 14:138. [PMID: 38200869 PMCID: PMC10778355 DOI: 10.3390/ani14010138] [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: 11/24/2023] [Revised: 12/20/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
Curcumin, the major active compound of turmeric, has shown potential benefits for poultry health and production in various studies. However, its specific role in enhancing the egg quality and liver health of laying hens, as well as its underlying mechanisms, have yet to be determined. Here, a total of 600 Su Qin No.1 Laying hens, aged 55 weeks and with similar laying rates, were randomly placed into five groups, with 10 replicates of 12 hens each. Curcumin doses of 0, 100, 200, 400, and 800 mg/kg were added to the basal diet to form the experimental groups. After an 8-week feeding period, no significant changes were observed in the production performance of laying hens due to curcumin supplementation. However, additional tests revealed that a 200 mg/kg curcumin supplementation improved albumen height, yolk color, Haugh unit, and eggshell thickness, while reducing the thin albumen's weight and proportion. This was accompanied by a significant down-regulation of the mRNA expression level of the Prolactin Receptor (Prlr) in the oviduct magnum. Furthermore, the number of hepatic lipid droplets and the hepatic triglyceride (TG) content, as well as malondialdehyde (MDA) levels were significantly reduced, indicating improved hepatic lipid metabolism and oxidative status. This was accompanied by a significant reduction in the expressions of sterol regulatory element binding protein-1 gene (Srebp-1), fatty acid synthase gene (Fasn), as well as fatty acid synthase (FASN), which are closely related to fatty acid synthesis in the liver. Overall, these findings suggest that curcumin supplementation at a dosage of 200 mg/kg could lead to significant improvements in egg quality and hepatic lipid metabolism.
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Affiliation(s)
- Chenxuan Li
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture and Rural Affairs, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (C.L.); (J.G.); (S.G.); (B.H.)
- MOE Joint International Research Laboratory of Animal Health & Food Safety, Nanjing Agricultural University, Nanjing 210095, China
| | - Jiang Gao
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture and Rural Affairs, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (C.L.); (J.G.); (S.G.); (B.H.)
- MOE Joint International Research Laboratory of Animal Health & Food Safety, Nanjing Agricultural University, Nanjing 210095, China
| | - Shihui Guo
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture and Rural Affairs, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (C.L.); (J.G.); (S.G.); (B.H.)
- MOE Joint International Research Laboratory of Animal Health & Food Safety, Nanjing Agricultural University, Nanjing 210095, China
| | - Bin He
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture and Rural Affairs, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (C.L.); (J.G.); (S.G.); (B.H.)
- MOE Joint International Research Laboratory of Animal Health & Food Safety, Nanjing Agricultural University, Nanjing 210095, China
| | - Wenqiang Ma
- Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture and Rural Affairs, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (C.L.); (J.G.); (S.G.); (B.H.)
- MOE Joint International Research Laboratory of Animal Health & Food Safety, Nanjing Agricultural University, Nanjing 210095, China
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28
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Liu SH, Wu WH, Tzeng HP, Chiang W, Chiang MT. Dehulled Adlay (Coix lachryma-jobi L.) ameliorates hepatic gluconeogenesis and steatosis in streptozotocin/high-fat diet-induced diabetic rats. J Food Drug Anal 2023; 31:683-695. [PMID: 38526822 PMCID: PMC10962669 DOI: 10.38212/2224-6614.3486] [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: 09/08/2023] [Accepted: 11/15/2023] [Indexed: 03/27/2024] Open
Abstract
Adlay (Coix lachryma-jobi L.) is a traditional Chinese herbal medicine with various biological activities. We investigated the anti-diabetic effects of different parts of adlay seeds, including polished adlay (PA), adlay bran (AB) and dehulled adlay (DA) in a streptozotocin (STZ)/high fat diet (HFD) diabetic rat model (DM). DM rats supplemented with or without PA (43%), AB (3%), or DA (46%) diet for 8 weeks. The plasma glucose and insulin levels and the insulin resistance index (HOMA-IR) were increased in DM group; among the three adlay diets, DA has the best effects attenuating all of these alterations in DM rats. Both AB and DA alleviated diabetes-impaired glucose tolerance. The increased hepatic phosphoenolpyruvate carboxykinase protein expression in DM group was improved by all of the three adlay diets. The increased ratio of glucose-6-phosphatase to glucokinase in DM group was suppressed by DA supplementation, further suggesting DA diet is most effective among the three diets. Both AB and DA diets had beneficial effects against hepatic steatosis, with better effects observed in DA group. These results suggest that the DA diet, composed of both polished adlay and adlay bran, possesses the best potential to improve glucose homeostasis, at least in part, by alleviating hepatic glucose metabolism and steatosis.
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Affiliation(s)
- Shing-Hwa Liu
- Institute of Toxicology, National Taiwan University, Taipei,
Taiwan
- Department of Pediatrics, College of Medicine and Hospital, National Taiwan University, Taipei,
Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung,
Taiwan
| | - Wan-Hsin Wu
- Department of Food Science, National Taiwan Ocean University, Keelung,
Taiwan
| | - Huei-Ping Tzeng
- Institute of Toxicology, National Taiwan University, Taipei,
Taiwan
| | - Wenchang Chiang
- Institute of Food Science and Technology, National Taiwan University, Taipei,
Taiwan
| | - Meng-Tsan Chiang
- Department of Food Science, National Taiwan Ocean University, Keelung,
Taiwan
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29
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Mukhi D, Li L, Liu H, Doke T, Kolligundla LP, Ha E, Kloetzer K, Abedini A, Mukherjee S, Wu J, Dhillon P, Hu H, Guan D, Funai K, Uehara K, Titchenell PM, Baur JA, Wellen KE, Susztak K. ACSS2 gene variants determine kidney disease risk by controlling de novo lipogenesis in kidney tubules. J Clin Invest 2023; 134:e172963. [PMID: 38051585 PMCID: PMC10866669 DOI: 10.1172/jci172963] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 11/28/2023] [Indexed: 12/07/2023] Open
Abstract
Worldwide, over 800 million people are affected by kidney disease, yet its pathogenesis remains elusive, hindering the development of novel therapeutics. In this study, we used kidney-specific expression of quantitative traits and single-nucleus open chromatin analysis to show that genetic variants linked to kidney dysfunction on chromosome 20 target the acyl-CoA synthetase short-chain family 2 (ACSS2). By generating ACSS2-KO mice, we demonstrated their protection from kidney fibrosis in multiple disease models. Our analysis of primary tubular cells revealed that ACSS2 regulated de novo lipogenesis (DNL), causing NADPH depletion and increasing ROS levels, ultimately leading to NLRP3-dependent pyroptosis. Additionally, we discovered that pharmacological inhibition or genetic ablation of fatty acid synthase safeguarded kidney cells against profibrotic gene expression and prevented kidney disease in mice. Lipid accumulation and the expression of genes related to DNL were elevated in the kidneys of patients with fibrosis. Our findings pinpoint ACSS2 as a critical kidney disease gene and reveal the role of DNL in kidney disease.
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Affiliation(s)
- Dhanunjay Mukhi
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Lingzhi Li
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Hongbo Liu
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Tomohito Doke
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Lakshmi P. Kolligundla
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Eunji Ha
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Konstantin Kloetzer
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Amin Abedini
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Sarmistha Mukherjee
- Institutes for Diabetes, Obesity and Metabolism
- Department of Physiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Junnan Wu
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Poonam Dhillon
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Hailong Hu
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
| | - Dongyin Guan
- Division of Endocrinology, Baylor College of Medicine, Houston, Texas, USA
| | - Katsuhiko Funai
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, Utah, USA
| | - Kahealani Uehara
- Institutes for Diabetes, Obesity and Metabolism
- Department of Physiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Paul M. Titchenell
- Institutes for Diabetes, Obesity and Metabolism
- Department of Physiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Joseph A. Baur
- Institutes for Diabetes, Obesity and Metabolism
- Department of Physiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Kathryn E. Wellen
- Department of Cancer Biology
- Abramson Family Cancer Research Institute, and
| | - Katalin Susztak
- Renal Electrolyte and Hypertension Division
- Institutes for Diabetes, Obesity and Metabolism
- Department of Genetics, and
- Penn-CHOP Kidney Innovation Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Zhang L, Zheng Y, Chien W, Ziman B, Billet S, Koeffler HP, Lin DC, Bhowmick NA. ARID1A Deficiency Regulates Anti-Tumor Immune Response in Esophageal Adenocarcinoma. Cancers (Basel) 2023; 15:5377. [PMID: 38001638 PMCID: PMC10670331 DOI: 10.3390/cancers15225377] [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: 10/16/2023] [Revised: 11/06/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023] Open
Abstract
ARID1A, a member of the chromatin remodeling SWI/SNF complex, is frequently lost in many cancer types, including esophageal adenocarcinoma (EAC). Here, we study the impact of ARID1A deficiency on the anti-tumor immune response in EAC. We find that EAC tumors with ARID1A mutations are associated with enhanced tumor-infiltrating CD8+ T cell levels. ARID1A-deficient EAC cells exhibit heightened IFN response signaling and promote CD8+ T cell recruitment and cytolytic activity. Moreover, we demonstrate that ARID1A regulates fatty acid metabolism genes in EAC, showing that fatty acid metabolism could also regulate CD8+ T cell recruitment and CD8+ T cell cytolytic activity in EAC cells. These results suggest that ARID1A deficiency shapes both tumor immunity and lipid metabolism in EAC, with significant implications for immune checkpoint blockade therapy in EAC.
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Affiliation(s)
- Le Zhang
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (L.Z.); (Y.Z.); (W.C.); (B.Z.); (S.B.); (H.P.K.)
| | - Yueyuan Zheng
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (L.Z.); (Y.Z.); (W.C.); (B.Z.); (S.B.); (H.P.K.)
| | - Wenwen Chien
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (L.Z.); (Y.Z.); (W.C.); (B.Z.); (S.B.); (H.P.K.)
| | - Benjamin Ziman
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (L.Z.); (Y.Z.); (W.C.); (B.Z.); (S.B.); (H.P.K.)
- Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA 90033, USA
| | - Sandrine Billet
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (L.Z.); (Y.Z.); (W.C.); (B.Z.); (S.B.); (H.P.K.)
| | - H. Phillip Koeffler
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (L.Z.); (Y.Z.); (W.C.); (B.Z.); (S.B.); (H.P.K.)
| | - De-Chen Lin
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (L.Z.); (Y.Z.); (W.C.); (B.Z.); (S.B.); (H.P.K.)
- Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA 90033, USA
| | - Neil A. Bhowmick
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (L.Z.); (Y.Z.); (W.C.); (B.Z.); (S.B.); (H.P.K.)
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31
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Sen A, Youssef S, Wendt K, Anakk S. Depletion of IQ motif-containing GTPase activating protein 2 (IQGAP2) reduces hepatic glycogen and impairs insulin signaling. J Biol Chem 2023; 299:105322. [PMID: 37805137 PMCID: PMC10652104 DOI: 10.1016/j.jbc.2023.105322] [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: 04/30/2023] [Revised: 09/15/2023] [Accepted: 09/25/2023] [Indexed: 10/09/2023] Open
Abstract
The liver is critical in maintaining metabolic homeostasis, regulating both anabolic and catabolic processes. Scaffold protein IQ motif-containing GTPase activating protein 2 (IQGAP2) is highly expressed in the liver and implicated in fatty acid uptake. However, its role in coordinating either fed or fasted responses is not well understood. Here we report that IQGAP2 is widely expressed in the liver that is pronounced in the pericentral region. Although control and IQGAP2 knockout mouse model showed comparable hepatic gene expression in the fasted state, we found significant defects in fed state responses. Glycogen levels were reduced in the periportal region when IQGAP2 was deleted. Consistently, we observed a decrease in phosphorylated glycogen synthase kinase 3α and total glycogen synthase protein in the fed IQGAP2 knockout mice which suggest inadequate glycogen synthesis. Moreover, immunoprecipitation of IQGAP2 revealed its interaction with GSK3 and GYS. Furthermore, our study demonstrated that knocking down IQGAP2 in vitro significantly decreased the phosphorylation of AKT and forkhead box O3 proteins downstream of insulin signaling. These findings suggest that IQGAP2 contributes to liver fed state metabolism by interacting with glycogen synthesis regulators and affecting the phosphorylation of insulin pathway components. Our results suggest that IQGAP2 plays a role in regulating fed state metabolism.
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Affiliation(s)
- Anushna Sen
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Sara Youssef
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Karen Wendt
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Sayeepriyadarshini Anakk
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA; Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA; Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA.
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32
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Gozdzik P, Czumaj A, Sledzinski T, Mika A. Branched-chain fatty acids affect the expression of fatty acid synthase and C-reactive protein genes in the hepatocyte cell line. Biosci Rep 2023; 43:BSR20230114. [PMID: 37850622 PMCID: PMC10619197 DOI: 10.1042/bsr20230114] [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: 01/13/2023] [Revised: 10/03/2023] [Accepted: 10/17/2023] [Indexed: 10/19/2023] Open
Abstract
Fatty acids (FAs) are known to play an important role in human metabolism; however, still little is known about the functions of certain FA classes present in blood at relatively low concentrations. Examples of such compounds include branched-chain fatty acids (BCFAs). Recently, lowered BCFAs blood concentration was noticed in obese patients. An inverse correlation was found between serum concentrations of BCFAs and triglyceride levels, as well as C-reactive protein (CRP) concentration. Obesity is the most frequently observed component of metabolic syndrome and both disorders are accompanied by the dysregulation of FAs metabolism. However, not all of them are well understood. Our study is the first attempt at presenting the opposite effects of an iso-BCFA (14-methylpentadecanoic acid, 14-MPA) and an anteiso-BCFA (12-methyltetradecanoic acid, 12-MTA) on selected genes related to fatty acid synthesis and inflammation: FASN, SREBP1, CRP, and IL-6 in the HepG2 cell line. We observed lowered expression of FASN, SREBP1, CRP, and IL-6 in cells treated with 14-MPA in comparison with control cells. In contrast, supplementation with 12-MTA caused opposite effects: increased mRNA levels of FASN, CRP, and IL-6. 12-MTA did not influence SREBP1 expression. The results of our preliminary study may suggest potential benefits of the supplementation of iso-BCFAs in obese patients, for inflammation and hypertriglyceridemia prevention.
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Affiliation(s)
- Paulina Gozdzik
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdańsk, Dębinki 1, 80-211 Gdańsk, Poland
| | - Aleksandra Czumaj
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdańsk, Dębinki 1, 80-211 Gdańsk, Poland
| | - Tomasz Sledzinski
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdańsk, Dębinki 1, 80-211 Gdańsk, Poland
| | - Adriana Mika
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdańsk, Dębinki 1, 80-211 Gdańsk, Poland
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland
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33
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Smith CB, Hodges NF, Kading RC, Campbell CL. Dishevelled Has Anti-Viral Activity in Rift Valley Fever Virus Infected Aedes aegypti. Viruses 2023; 15:2140. [PMID: 38005818 PMCID: PMC10675198 DOI: 10.3390/v15112140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 11/26/2023] Open
Abstract
Mosquitoes in the genera Aedes and Culex are vectors of Rift Valley fever virus (RVFV), which emerges in periodic epidemics in Africa and Saudi Arabia. Factors that influence the transmission dynamics of RVFV are not well characterized. To address this, we interrogated mosquito host-signaling responses through analysis of differentially expressed genes (DEGs) in two mosquito species with marked differences in RVFV vector competence: Aedes aegypti (Aae, low competence) and Culex tarsalis (Cxt, high competence). Mosquito-host transcripts related to three different signaling pathways were investigated. Selected genes from the Wingless (Wg, WNT-beta-catenin) pathway, which is a conserved regulator of cell proliferation and differentiation, were assessed. One of these, dishevelled (DSH), differentially regulates progression/inhibition of the WNT and JNK (c-Jun N-terminal Kinase) pathways. A negative regulator of the JNK-signaling pathway, puckered, was also assessed. Lastly, Janus kinase/signal transducers and activators of transcription (JAK-STAT) are important for innate immunity; in this context, we tested domeless levels. Here, individual Aae and Cxt were exposed to RVFV MP-12 via oral bloodmeals and held for 14 days. Robust decreases in DEGs in both Aae and Cxt were observed. In particular, Aae DSH expression, but not Cxt DSH, was correlated to the presence/absence of viral RNA at 14 days post-challenge (dpc). Moreover, there was an inverse relationship between the viral copy number and aaeDSH expression. DSH silencing resulted in increased viral copy numbers compared to controls at 3 dpc, consistent with a role for aaeDSH in antiviral immunity. Analysis of cis-regulatory regions for the genes of interest revealed clues to upstream regulation of these pathways.
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Affiliation(s)
| | | | | | - Corey L. Campbell
- Center for Vector-Borne Infectious Diseases, Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA; (C.B.S.); (R.C.K.)
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34
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Kholodenko IV, Kholodenko RV, Yarygin KN. The Crosstalk between Mesenchymal Stromal/Stem Cells and Hepatocytes in Homeostasis and under Stress. Int J Mol Sci 2023; 24:15212. [PMID: 37894893 PMCID: PMC10607347 DOI: 10.3390/ijms242015212] [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: 09/23/2023] [Revised: 10/07/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Liver diseases, characterized by high morbidity and mortality, represent a substantial medical problem globally. The current therapeutic approaches are mainly aimed at reducing symptoms and slowing down the progression of the diseases. Organ transplantation remains the only effective treatment method in cases of severe liver pathology. In this regard, the development of new effective approaches aimed at stimulating liver regeneration, both by activation of the organ's own resources or by different therapeutic agents that trigger regeneration, does not cease to be relevant. To date, many systematic reviews and meta-analyses have been published confirming the effectiveness of mesenchymal stromal cell (MSC) transplantation in the treatment of liver diseases of various severities and etiologies. However, despite the successful use of MSCs in clinical practice and the promising therapeutic results in animal models of liver diseases, the mechanisms of their protective and regenerative action remain poorly understood. Specifically, data about the molecular agents produced by these cells and mediating their therapeutic action are fragmentary and often contradictory. Since MSCs or MSC-like cells are found in all tissues and organs, it is likely that many key intercellular interactions within the tissue niches are dependent on MSCs. In this context, it is essential to understand the mechanisms underlying communication between MSCs and differentiated parenchymal cells of each particular tissue. This is important both from the perspective of basic science and for the development of therapeutic approaches involving the modulation of the activity of resident MSCs. With regard to the liver, the research is concentrated on the intercommunication between MSCs and hepatocytes under normal conditions and during the development of the pathological process. The goals of this review were to identify the key factors mediating the crosstalk between MSCs and hepatocytes and determine the possible mechanisms of interaction of the two cell types under normal and stressful conditions. The analysis of the hepatocyte-MSC interaction showed that MSCs carry out chaperone-like functions, including the synthesis of the supportive extracellular matrix proteins; prevention of apoptosis, pyroptosis, and ferroptosis; support of regeneration; elimination of lipotoxicity and ER stress; promotion of antioxidant effects; and donation of mitochondria. The underlying mechanisms suggest very close interdependence, including even direct cytoplasm and organelle exchange.
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Affiliation(s)
- Irina V. Kholodenko
- Laboratory of Cell Biology, Orekhovich Institute of Biomedical Chemistry, 119121 Moscow, Russia
| | - Roman V. Kholodenko
- Laboratory of Molecular Immunology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia;
| | - Konstantin N. Yarygin
- Laboratory of Cell Biology, Orekhovich Institute of Biomedical Chemistry, 119121 Moscow, Russia
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35
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Bae J, Lee BW. Association between Impaired Ketogenesis and Metabolic-Associated Fatty Liver Disease. Biomolecules 2023; 13:1506. [PMID: 37892188 PMCID: PMC10604525 DOI: 10.3390/biom13101506] [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: 08/30/2023] [Revised: 09/26/2023] [Accepted: 10/06/2023] [Indexed: 10/29/2023] Open
Abstract
Metabolic (dysfunction) associated fatty liver disease (MAFLD) is generally developed with excessive accumulation of lipids in the liver. Ketogenesis is an efficient pathway for the disposal of fatty acids in the liver and its metabolic benefits have been reported. In this review, we examined previous studies on the association between ketogenesis and MAFLD and reviewed the candidate mechanisms that can explain this association.
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Affiliation(s)
- Jaehyun Bae
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Catholic Kwandong University College of Medicine, International St. Mary’s Hospital, Incheon 22711, Republic of Korea
| | - Byung-Wan Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
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36
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Wu D, Wang L, Fan Z, Li J, Tang S, Zhao C, Zhang H, Zheng X. Comprehensive assessment of detoxification mechanisms of hydrolysis fish peptides in largemouth bass (Micropterus salmoides) under copper exposure: Tracing from bioaccumulation, oxidative stress, lipid deposition to metabolomics. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 264:115418. [PMID: 37651792 DOI: 10.1016/j.ecoenv.2023.115418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/23/2023] [Accepted: 08/26/2023] [Indexed: 09/02/2023]
Abstract
As a heavy metal, copper is toxic to aquatic organisms in water, causing oxidative stress and lipid deposition. However, there is currently no effective dietary strategy to prevent damage caused by copper exposure. Here, copper bioaccumulation, antioxidant enzymes, lipogenic enzymes, lipid metabolism-related gene expression levels and metabolic pathways were synthesized and evaluated in copper-exposed largemouth bass (Micropterus salmoides) after hydrolysis fish peptides (HFP) pretreatment. The results showed that supplementation with 1% (P < 0.05), 3% (P < 0.01) and 5% (P < 0.05) HFP significantly reduced the copper bioaccumulation in largemouth bass. Hydrolysis fish peptides supplementation significantly reduced the activities of total antioxidant capacity (P < 0.01) and catalase (P < 0.01) and the contents of glutathione (P < 0.01) and malondialdehyde (P < 0.05). Fatty acid synthetase concentration was significantly reduced in fish supplemented with 3% (P < 0.05) and 5% HFP (P < 0.05). Similarly, fish fed 3% (P < 0.05) and 5% (P < 0.01) HFP significantly reduced the glucose-6-phosphate dehydrogenase concentration. Serum metabolomics revealed that 85, 144 and 207 differential metabolites were obtained in fish supplemented with 1%, 3% and 5% HFP, respectively. The differential metabolites were mainly lipids and lipid-like molecules, which were associated with the lipid metabolism pathways. The expression levels of fatty acid synthase (P < 0.01), sterol regulatory element binding protein-1c (P < 0.05), liver X receptor (P < 0.001), peroxisome proliferator activated γ (P < 0.01), apolipoprotein B (P < 0.001) and fatty acid-binding protein 1 (P < 0.01) were significantly down-regulated and the expression levels of carnitine palmitoyltransferase 1α (P < 0.01), hormone-sensitive lipase (P < 0.001), apolipoprotein A 1 (P < 0.05) were significantly up-regulated in fish fed with 3% HFP. Additionally, supplementation with 3% (P < 0.01) and 5% (P < 0.001) HFP significantly up-regulated the expression level of B-cell lymphoma-2 with a dose-dependent effect. In conclusion, our study confirmed that HFP supplementation was closely associated with oxidative stress, enzymatic activities and related pathways of lipid metabolism, and apoptosis, and in general alleviated lipid deposition caused by copper exposure in largemouth bass.
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Affiliation(s)
- Di Wu
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China; Key Laboratory of Aquatic Animal Diseases and Immune Technology of Heilongjiang Province, Harbin 150070, China
| | - Liansheng Wang
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China; Key Laboratory of Aquatic Animal Diseases and Immune Technology of Heilongjiang Province, Harbin 150070, China.
| | - Ze Fan
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China; Key Laboratory of Aquatic Animal Diseases and Immune Technology of Heilongjiang Province, Harbin 150070, China
| | - Jinnan Li
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China; Key Laboratory of Aquatic Animal Diseases and Immune Technology of Heilongjiang Province, Harbin 150070, China
| | - Shizhan Tang
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China; Ministry of Agriculture and Rural Affairs Fishery Environment and Aquatic Product Quality Supervision, Inspection and Testing Center, Harbin 150070, China
| | - Chen Zhao
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China; Heilongjiang River Basin Fishery Ecological Environment Monitoring Center, Ministry of Agriculture and Rural Affairs, Harbin 150010, China
| | - Haitao Zhang
- Key Laboratory of Aquatic, Livestock and Poultry Feed Science and Technology in South China, Ministry of Agriculture and Rural Affairs, Guangdong Evergreen Feed Industry Co., Ltd., Zhanjiang 524000, China
| | - Xianhu Zheng
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China; National and Local Joint Engineering Laboratory for Freshwater Fish Breeding, Harbin 150070, China
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Okoro OE, Camera E, Flori E, Ottaviani M. Insulin and the sebaceous gland function. Front Physiol 2023; 14:1252972. [PMID: 37727660 PMCID: PMC10505787 DOI: 10.3389/fphys.2023.1252972] [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: 07/04/2023] [Accepted: 08/17/2023] [Indexed: 09/21/2023] Open
Abstract
Insulin affects metabolic processes in different organs, including the skin. The sebaceous gland (SG) is an important appendage in the skin, which responds to insulin-mediated signals, either directly or through the insulin growth factor 1 (IGF-1) axis. Insulin cues are differently translated into the activation of metabolic processes depending on several factors, including glucose levels, receptor sensitivity, and sebocyte differentiation. The effects of diet on both the physiological function and pathological conditions of the SG have been linked to pathways activated by insulin and IGF-1. Experimental evidence and theoretical speculations support the association of insulin resistance with acne vulgaris, which is a major disorder of the SG. In this review, we examined the effects of insulin on the SG function and their implications in the pathogenesis of acne.
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Affiliation(s)
| | - Emanuela Camera
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Enrica Flori
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Monica Ottaviani
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
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Mokhtari I, Mokhtari C, Moumou M, Harnafi M, Milenkovic D, Amrani S, Hakmaoui A, Harnafi H. Polyphenol-rich extract from loquat fruit peel prevents hyperlipidemia and hepato-nephrotoxicity in mice: in vivo study and in silico prediction of possible mechanisms involving identified polyphenols and/or their circulating metabolites. Food Funct 2023; 14:7489-7505. [PMID: 37498560 DOI: 10.1039/d3fo01992f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Hyperlipidemia is the most well-known cause of metabolic complications and tissue toxicity such as liver steatosis, atherosclerosis and obesity. This study aims to evaluate the preventive effect of loquat fruit peel extract (PE) against tyloxapol-induced hyperlipidemia and related tissue lipotoxicity in mice. The in vivo study was conducted on mice injected daily with tyloxapol at 100 mg per kg B.W. and treated simultaneously with the PE at concentrations of 100 and 200 mg kg-1 or fenofibrate for 28 days. Plasma and tissue lipid biochemical analyses were undertaken using enzymatic methods. The antioxidative stress was revealed by measuring the malondialdehyde content and activities of superoxide dismutase and catalase as well as the scavenging activity against lipoperoxyl radicals. The PE significantly prevented oxidative stress and restored lipid metabolism, plasma glucose, body weight, organ relative mass and biomarkers of hepato-nephrotoxicity as well as the histological structure of the liver and kidneys. It contains five major polyphenols, namely, ferulic acid, caffeic acid, neochlorogenic acid, chlorogenic acid and quercetin. According to molecular docking analysis, these compounds and their circulating metabolites could interact with major proteins implicated in lipid metabolism and oxidative stress. Overall, the study suggests that PE could prevent hyperlipidemia and related toxic tissue complications.
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Affiliation(s)
- Imane Mokhtari
- Laboratory of Bioresources, Biotechnologies, Ethnopharmacology and Health, Faculty of Sciences, University Mohamed I, 60 000 Oujda, Morocco.
| | - Chakib Mokhtari
- Laboratory of Applied Chemistry and Environment - ECOMP, Faculty of Sciences, University Mohamed I, 60 000 Oujda, Morocco
| | - Mohammadine Moumou
- Laboratory of Bioresources, Biotechnologies, Ethnopharmacology and Health, Faculty of Sciences, University Mohamed I, 60 000 Oujda, Morocco.
| | - Mohamed Harnafi
- Laboratory of Bioresources, Biotechnologies, Ethnopharmacology and Health, Faculty of Sciences, University Mohamed I, 60 000 Oujda, Morocco.
| | - Dragan Milenkovic
- Department of Nutrition, College of Agricultural and Environmental Sciences, University of California Davis, Davis, CA 95616, USA.
| | - Souliman Amrani
- Laboratory of Bioresources, Biotechnologies, Ethnopharmacology and Health, Faculty of Sciences, University Mohamed I, 60 000 Oujda, Morocco.
| | - Abdelmalek Hakmaoui
- Laboratory of Biopathology, Center of Clinical Research, University Hospital Mohamed VI, Marrakech, Morocco
| | - Hicham Harnafi
- Laboratory of Bioresources, Biotechnologies, Ethnopharmacology and Health, Faculty of Sciences, University Mohamed I, 60 000 Oujda, Morocco.
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Khan H, Shaikh F, Syed MH, Mamdani M, Saposnik G, Qadura M. Current Biomarkers for Carotid Artery Stenosis: A Comprehensive Review of the Literature. Metabolites 2023; 13:919. [PMID: 37623863 PMCID: PMC10456624 DOI: 10.3390/metabo13080919] [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: 06/30/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/26/2023] Open
Abstract
Carotid artery stenosis (CAS), an atherosclerotic disease of the carotid artery, is one of the leading causes of transient ischemic attacks (TIA) and cerebrovascular attacks (CVA). The atherogenic process of CAS affects a wide range of physiological processes, such as inflammation, endothelial cell function, smooth muscle cell migration and many more. The current gold-standard test for CAS is Doppler ultrasound; however, there is yet to be determined a strong, clinically validated biomarker in the blood that can diagnose patients with CAS and/or predict adverse outcomes in such patients. In this comprehensive literature review, we evaluated all of the current research on plasma and serum proteins that are current contenders for biomarkers for CAS. In this literature review, 36 proteins found as potential biomarkers for CAS were categorized in to the following nine categories based on protein function: (1) Inflammation and Immunity, (2) Lipid Metabolism, (3) Haemostasis, (4) Cardiovascular Markers, (5) Markers of Kidney Function, (6) Bone Health, (7) Cellular Structure, (8) Growth Factors, and (9) Hormones. This literature review is the most up-to-date and current comprehensive review of research on biomarkers of CAS, and the only review that demonstrated the several pathways that contribute to the initiation and progression of the disease. With this review, future studies can determine if any new markers, or a panel of the proteins explored in this study, may be contenders as diagnostic or prognostic markers for CAS.
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Affiliation(s)
- Hamzah Khan
- Division of Vascular Surgery, St. Michael’s Hospital, Toronto, ON M5B 1W8, Canada; (H.K.); (F.S.); (M.H.S.)
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Unity Health Toronto, Toronto, ON M5B 1W8, Canada; (M.M.); (G.S.)
| | - Farah Shaikh
- Division of Vascular Surgery, St. Michael’s Hospital, Toronto, ON M5B 1W8, Canada; (H.K.); (F.S.); (M.H.S.)
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Unity Health Toronto, Toronto, ON M5B 1W8, Canada; (M.M.); (G.S.)
| | - Muzammil H. Syed
- Division of Vascular Surgery, St. Michael’s Hospital, Toronto, ON M5B 1W8, Canada; (H.K.); (F.S.); (M.H.S.)
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Unity Health Toronto, Toronto, ON M5B 1W8, Canada; (M.M.); (G.S.)
| | - Muhammad Mamdani
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Unity Health Toronto, Toronto, ON M5B 1W8, Canada; (M.M.); (G.S.)
- Temerty Centre for Artificial Intelligence Research and Education in Medicine (T-CAIREM), University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Gustavo Saposnik
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Unity Health Toronto, Toronto, ON M5B 1W8, Canada; (M.M.); (G.S.)
- Division of Neurology, Department of Medicine, St. Michael’s Hospital, University of Toronto, 55 Queen St E, Toronto, ON M5C 1R6, Canada
| | - Mohammad Qadura
- Division of Vascular Surgery, St. Michael’s Hospital, Toronto, ON M5B 1W8, Canada; (H.K.); (F.S.); (M.H.S.)
- Division of Neurology, Department of Medicine, St. Michael’s Hospital, University of Toronto, 55 Queen St E, Toronto, ON M5C 1R6, Canada
- Department of Surgery, University of Toronto, Toronto, ON M5T 1P5, Canada
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Vasarri M, Degl’Innocenti D, Albonetti L, Bilia AR, Bergonzi MC. Pentacyclic Triterpenes from Olive Leaves Formulated in Microemulsion: Characterization and Role in De Novo Lipogenesis in HepG2 Cells. Int J Mol Sci 2023; 24:12113. [PMID: 37569488 PMCID: PMC10419275 DOI: 10.3390/ijms241512113] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Olea europaea L. leaves contain a wide variety of pentacyclic triterpenes (TTPs). TTPs exhibit many pharmacological activities, including antihyperlipidemic effects. Metabolic alterations, such as dyslipidemia, are an established risk factor for hepatocellular carcinoma (HCC). Therefore, the use of TTPs in the adjunctive treatment of HCC has been proposed as a possible method for the management of HCC. However, TTPs are characterized by poor water solubility, permeability, and bioavailability. In this work, a microemulsion (ME) loading a TTP-enriched extract (EXT) was developed, to overcome these limits and obtain a formulation for oral administration. The extract-loaded microemulsion (ME-EXT) was fully characterized, assessing its chemical and physical parameters and release characteristics, and the stability was evaluated for two months of storage at 4 °C and 25 °C. PAMPA (parallel artificial membrane permeability assay) was used to evaluate the influence of the formulation on the intestinal passive permeability of the TTPs across an artificial membrane. Furthermore, human hepatocarcinoma (HepG2) cells were used as a cellular model to evaluate the effect of EXT and ME-EXT on de novo lipogenesis induced by elevated glucose levels. The effect was evaluated by detecting fatty acid synthase expression levels and intracellular lipid accumulation. ME-EXT resulted as homogeneous dispersed-phase droplets, with significantly increased EXT aqueous solubility. Physical and chemical analyses showed the high stability of the formulation over 2 months. The formulation realized a prolonged release of TTPs, and permeation studies demonstrated that the formulation improved their passive permeability. Furthermore, the EXT reduced the lipid accumulation in HepG2 cells by inhibiting de novo lipogenesis, and the ME-EXT formulation enhanced the inhibitory activity of EXT on intracellular lipid accumulation.
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Affiliation(s)
- Marzia Vasarri
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.V.); (D.D.)
- Department of Chemistry, University of Florence, Via U. Schiff 6, 50519 Sesto Fiorentino, Italy; (L.A.); (A.R.B.)
| | - Donatella Degl’Innocenti
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.V.); (D.D.)
| | - Laura Albonetti
- Department of Chemistry, University of Florence, Via U. Schiff 6, 50519 Sesto Fiorentino, Italy; (L.A.); (A.R.B.)
| | - Anna Rita Bilia
- Department of Chemistry, University of Florence, Via U. Schiff 6, 50519 Sesto Fiorentino, Italy; (L.A.); (A.R.B.)
| | - Maria Camilla Bergonzi
- Department of Chemistry, University of Florence, Via U. Schiff 6, 50519 Sesto Fiorentino, Italy; (L.A.); (A.R.B.)
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Ukwenya VO, Alese MO, Ogunlade B, Folorunso IM, Omotuyi OI. Anacardium occidentale leaves extract and riboceine mitigate hyperglycemia through anti-oxidative effects and modulation of some selected genes associated with diabetes. J Diabetes Metab Disord 2023; 22:455-468. [PMID: 37255827 PMCID: PMC10225389 DOI: 10.1007/s40200-022-01165-2] [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: 03/15/2022] [Accepted: 11/24/2022] [Indexed: 06/01/2023]
Abstract
Background Diabetes mellitus (DM) is one of the leading causes of death globally and complications of DM have become a major health concern. Anacardium occidentale is a plant widely recognized for its hypoglycemic properties and traditionally used in developing nations as remedy for DM treatment. Riboceine is a supplement that enhances production of glutathione and known for its vital role in supporting cellular function. This study was designed to evaluate the antidiabetic and antioxidant potential of riboceine and ethanolic extract of A. occidentale leaves in streptozotocin (STZ)-induced diabetic rats. Method Twenty-nine adult male Wistar rats were induced with DM intraperitoneally using a single dose of STZ (70 mg/kg). The STZ-induced rats were divided into groups and administered the same dose (100 mg/kg) of A. occidentale leaves extract and riboceine via gastric gavage at the dose (100 mg/kg) for seventeen days while metformin (40 mg/kg) was used as positive control. Fasting blood glucose and weight of the model rats were examined periodically. Activities of total protein, creatinine, urea, antioxidants (SOD, GSH and GPX), and level of serum insulin were determined. Expression of diabetes related genes including pancreas (Insulin, pdx-1, P16NK4A, and Mki-67), Liver (FAS, ACC, and GFAT) and KIM-1 genes were also determined. Results Data showed that treatment of STZ-induced diabetic rats with A. occidentale and riboceine at the same dose significantly (p < 0.05) ameliorated hyperglycemic effects by improving hepatic and renal functions and antioxidants, preventing hepatic fat accumulation by downregulation of ACC, FAS and GFAT expression, improving β-cell functions through up-regulation of pancreatic insulin, P16NK4A, Mki-67 and pdx-1 expression. Induction of diabetes upregulated mRNA expression of KIM-1, which was ameliorated after treatment of the rats with A. occidentale and riboceine. Conclusion The results obtained in this study demonstrate significant antidiabetic properties of ethanolic extract of A. occidentale and riboceine.
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Affiliation(s)
- Victor Okoliko Ukwenya
- Department of Human Anatomy, School of Basic Medical Sciences, College of Health Sciences, Federal University of Technology, Akure, P.M.B 704 Nigeria
| | - Margaret Olutayo Alese
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Medicine, Ekiti State University, Ado Ekiti, Nigeria
| | - Babatunde Ogunlade
- Department of Human Anatomy, School of Basic Medical Sciences, College of Health Sciences, Federal University of Technology, Akure, P.M.B 704 Nigeria
| | - Ibukun Mary Folorunso
- Department of Biochemistry, School of Life Sciences, Federal University of Technology, Akure, Nigeria
| | - Olaposi Idowu Omotuyi
- Institute for Drug Research and Development, Afe Babalola University, Ado-Ekiti, Nigeria
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Song Q, Guo JX, Ma YX, Ou T, Zhang J, Li HZ, Mi SQ, Zhang YZ, Oda H, Chen W. Taurine alleviated hepatic steatosis in oleic acid-treated-HepG2 cells and rats fed a high-fat diet. Heliyon 2023; 9:e16401. [PMID: 37274675 PMCID: PMC10238701 DOI: 10.1016/j.heliyon.2023.e16401] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/21/2023] [Accepted: 05/16/2023] [Indexed: 06/06/2023] Open
Abstract
Taurine has been proven in many trials to alleviate the symptoms of metabolic associated fatty liver disease. Here its protective effect for hepatic steatosis and modulation of AMP-activated protein kinase and insulin signaling pathway were investigated. Steatotic HepG2 cell established with oleic acid (0.05 mmol/L), treated with taurine (5 mmol/L), dorsomorphin (10 μmol/L) for 24 h. Sprague Dawley rats were divided into regular and high-fat diet (HFD) groups, and their corresponding taurine (70 or 350 mg/kg BW/d) groups, fed for 8 weeks. In steatotic cell, taurine reduced the TG concentration and SREBP-1c, PPARγ, FAS, ACC, SCD1 protein levels, decreased phosphorylation of mTOR, IRS1 (Ser302), increased phosphorylation of AMPKα, LKB1, PI3K, Akt, ACC. While dorsomorphin eliminated taurine's TG-lowering effect. In HFD-fed rats, taurine reduced liver TG, serum TG, ALT, AST, IL-1β, IL-4, TNF-α. The effects of taurine on the main factors of fatty acid synthesis were mostly consistent with cell experiments, and the reduction of microRNAs (451, 33, 291b) was aligned with the improvement in LKB1 and AMPK expression in HFD rats. Taurine alleviated steatosis-induced inhibition of IRS1-PI3K-Akt pathway, but suppressed its positively regulated downstream factor mTOR. In parallel, taurine reduced steatosis by activating LKB1-AMPKα pathway via phosphorylation and no-phosphorylation manner, then inhibiting SREBP-1c directly or by suppressing mTOR phosphorylation.
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Affiliation(s)
- Qi Song
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
- Laboratory of Nutritional Biochemistry, Nagoya University, Nagoya, 464-8601, Japan
| | - Jun Xia Guo
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
| | - Yu Xun Ma
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
| | - Tong Ou
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
| | - Jing Zhang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
| | - Hui Zi Li
- Department of Nutrition, PLA Rocket Force Characteristic Medical Center, Beijing, 100088, China
| | - Sheng Quan Mi
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
| | - Yan Zhen Zhang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
| | - Hiroaki Oda
- Laboratory of Nutritional Biochemistry, Nagoya University, Nagoya, 464-8601, Japan
| | - Wen Chen
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, 100191, China
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Liao S, Gollowitzer A, Börmel L, Maier C, Gottschalk L, Werz O, Wallert M, Koeberle A, Lorkowski S. α-Tocopherol-13'-Carboxychromanol Induces Cell Cycle Arrest and Cell Death by Inhibiting the SREBP1-SCD1 Axis and Causing Imbalance in Lipid Desaturation. Int J Mol Sci 2023; 24:ijms24119229. [PMID: 37298183 DOI: 10.3390/ijms24119229] [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: 04/18/2023] [Revised: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 06/12/2023] Open
Abstract
α-Tocopherol-13'-carboxychromanol (α-T-13'-COOH) is an endogenously formed bioactive α-tocopherol metabolite that limits inflammation and has been proposed to exert lipid metabolism-regulatory, pro-apoptotic, and anti-tumoral properties at micromolar concentrations. The mechanisms underlying these cell stress-associated responses are, however, poorly understood. Here, we show that the induction of G0/G1 cell cycle arrest and apoptosis in macrophages triggered by α-T-13'-COOH is associated with the suppressed proteolytic activation of the lipid anabolic transcription factor sterol regulatory element-binding protein (SREBP)1 and with decreased cellular levels of stearoyl-CoA desaturase (SCD)1. In turn, the fatty acid composition of neutral lipids and phospholipids shifts from monounsaturated to saturated fatty acids, and the concentration of the stress-preventive, pro-survival lipokine 1,2-dioleoyl-sn-glycero-3-phospho-(1'-myo-inositol) [PI(18:1/18:1)] decreases. The selective inhibition of SCD1 mimics the pro-apoptotic and anti-proliferative activity of α-T-13'-COOH, and the provision of the SCD1 product oleic acid (C18:1) prevents α-T-13'-COOH-induced apoptosis. We conclude that micromolar concentrations of α-T-13'-COOH trigger cell death and likely also cell cycle arrest by suppressing the SREBP1-SCD1 axis and depleting cells of monounsaturated fatty acids and PI(18:1/18:1).
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Affiliation(s)
- Sijia Liao
- Institute of Nutritional Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, 07743 Jena, Germany
| | - André Gollowitzer
- Michael Popp Institute and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, 6020 Innsbruck, Austria
| | - Lisa Börmel
- Institute of Nutritional Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, 07743 Jena, Germany
| | - Charlotte Maier
- Institute of Nutritional Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Luisa Gottschalk
- Institute of Nutritional Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Maria Wallert
- Institute of Nutritional Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, 07743 Jena, Germany
| | - Andreas Koeberle
- Michael Popp Institute and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, 6020 Innsbruck, Austria
| | - Stefan Lorkowski
- Institute of Nutritional Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, 07743 Jena, Germany
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Aydemir D, Aydogan-Ahbab M, Barlas N, Ulusu NN. Effects of the in-utero dicyclohexyl phthalate and di- n-hexyl phthalate administration on the oxidative stress-induced histopathological changes in the rat liver tissue correlated with serum biochemistry and hematological parameters. Front Endocrinol (Lausanne) 2023; 14:1128202. [PMID: 37274322 PMCID: PMC10235726 DOI: 10.3389/fendo.2023.1128202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/28/2023] [Indexed: 06/06/2023] Open
Abstract
Phthalates are widely used as plasticizers in the industry and are found in cosmetics, food and drink packaging, drugs, toys, households, medical devices, pesticides, personal care products, and paints. Phthalates exert endocrine disrupting and peroxisome proliferator effects in humans and wildlife associated with the pathogenesis of various diseases, including diabetes, obesity, infertility, cardiovascular diseases, metabolic syndrome, and cancer. Since phthalates are metabolized in the liver, which regulates the body's energy metabolism, long or short-term exposure to the phthalates is associated with impaired glucose, lipid, and oxidative stress metabolisms contributing to liver toxicity. However, the impact of in-utero exposure to DHP and DCHP on liver metabolism has not been studied previously. Thus, in this study, we evaluated serum biochemistry parameters, hematological markers, histopathological changes, and oxidative and pentose phosphate pathway (PPP) metabolisms in the liver following in-utero DHP and DCHP administration, respectively, in male and female rats. We found increased relative and absolute liver weights and impaired triglyceride, alanine transaminase (ALT), lactate dehydrogenase (LDH), and alkaline phosphatase (ALP) levels upon dicyclohexyl phthalate (DCHP) and di-n-hexyl phthalate (DHP). Histopathological changes, including congestion, sinusoidal dilatation, inflammatory cell infiltration, cells with a pyknotic nucleus, lysis of hepatocytes, and degeneration of hepatic parenchyma have been observed in the liver samples of DHP and DCHP dose groups. Moreover, increased glutathione s-transferase (GST), glucose 6-phosphate dehydrogenase (G6PD), and glutathione reductase (GR) activities have been found in the liver samples of DHP and DCHP-treated rats associated with impaired pentose phosphate pathway (PPP) and oxidative stress metabolism. First time in the literature, we showed that in-utero exposure to DHP and DCHP causes liver damage associated with impaired oxidative stress metabolism in male and female rats. Our data may guide researchers and governments to regulate and restrict phthalates in industrial products.
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Affiliation(s)
- Duygu Aydemir
- School of Medicine, Department of Medical Biochemistry, Koc University, Istanbul, Türkiye
- Koç University Research Center for Translational Medicine (KUTTAM), Istanbul, Türkiye
| | - Mufide Aydogan-Ahbab
- University of Health Sciences Turkey, Hamidiye Vocational School of Health Services, Istanbul, Türkiye
| | - Nurhayat Barlas
- Science Faculty, Department of Biology, Hacettepe University, Ankara, Türkiye
| | - Nuriye Nuray Ulusu
- School of Medicine, Department of Medical Biochemistry, Koc University, Istanbul, Türkiye
- Koç University Research Center for Translational Medicine (KUTTAM), Istanbul, Türkiye
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Zhou Z, Xu X, Luo D, Zhou Z, Zhang S, He R, An T, Sun Q. Effect of Dietary Supplementation of Lactiplantibacillus plantarum N-1 and Its Synergies with Oligomeric Isomaltose on the Growth Performance and Meat Quality in Hu Sheep. Foods 2023; 12:foods12091858. [PMID: 37174396 PMCID: PMC10178320 DOI: 10.3390/foods12091858] [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: 03/24/2023] [Revised: 04/13/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
Probiotics have gained tremendous attention as an alternative to antibiotics, while synbiotics may exhibit a greater growth promoting effect than their counterpart probiotics due to the prebiotics' promotion on the growth and reproduction of probiotics. The objective of this study was to investigate the influence of Lactiplantibacillus plantarum N-1 and its synbiotic with oligomeric isomaltose on the growth performance and meat quality of Hu sheep. Hu sheep (0-3 days old) were fed with water, probiotics of N-1, or synbiotics (N-1 and oligomeric isomaltose) daily in three pens for 60 days and regularly evaluated to measure growth performance and collect serum (five lambs per group). Longissimus thoracis (LT) and biceps brachii (BB) muscle tissues were collected for the analysis of pH value, color, texture, nutrients, mineral elements, amino acids, volatile compounds, and antioxidant capacity. The results showed that dietary supplementation of N-1 tended to improve growth performance and meat quality of Hu sheep, while the synergism of N-1 with oligomeric isomaltose significantly improved their growth performance and meat quality (p < 0.05). Both the dietary supplementation of N-1 and synbiotics (p < 0.05) increased the body weight and body size of Hu sheep. Synbiotic treatment reduced serum cholesterol and improved LT fat content by increasing the transcription level of fatty acid synthase to enhance fat deposition in LT, as determined via RT-qPCR analysis. Moreover, synbiotics increased zinc content and improved LT tenderness by decreasing shear force and significantly increased the levels of certain essential (Thr, Phe, and Met) and non-essential (Asp, Ser, and Tyr) amino acids of LT (p < 0.05). Additionally, synbiotics inhibited the production of carbonyl groups and TBARS in LT and thus maintained antioxidant stability. In conclusion, it is recommended that the use of synbiotics in livestock breeding be promoted to improve sheep production and meat quality.
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Affiliation(s)
- Zhiqiang Zhou
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610064, China
| | - Xinyi Xu
- Key Laboratory of Bio-Resources and Eco-Environment of the Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, China
| | - Dongmei Luo
- Key Laboratory of Bio-Resources and Eco-Environment of the Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, China
| | - Zhiwei Zhou
- Key Laboratory of Bio-Resources and Eco-Environment of the Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, China
| | - Senlin Zhang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610064, China
| | - Ruipeng He
- Key Laboratory of Bio-Resources and Eco-Environment of the Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, China
| | - Tianwu An
- Sichuan Academy of Grassland Sciences, Chengdu 611731, China
| | - Qun Sun
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610064, China
- Key Laboratory of Bio-Resources and Eco-Environment of the Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, China
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46
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Yang X, Sun L, Feng D, Deng Y, Liao W. A Lipidomic Study: Nobiletin ameliorates hepatic steatosis through regulation of lipid alternation. J Nutr Biochem 2023; 118:109353. [PMID: 37116815 DOI: 10.1016/j.jnutbio.2023.109353] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 11/15/2022] [Accepted: 04/10/2023] [Indexed: 04/30/2023]
Abstract
Hepatic lipidome has been given emphasis for years since hepatic steatosis is the most remarkable character of nonalcoholic fatty liver diseases, an increasingly serious health issue worldwide. Nobiletin (NOB), one of the citrus flavonoids, exerted outstanding effect on lipid metabolism disorder. However, the underlying mechanism of NOB exerting effect on hepatic lipid alternation remains unclear. In this study, the animal model was built by feeding APOE-/- mice with high fat diet (HFD). The results of Oil Red O-stained liver section and the biochemical assay of lipid parameters confirmed the protective effect of NOB on hepatic steatosis and global lipid metabolism disorder in APOE-/- mice. The hepatic lipidomic study revealed a total of 958 lipids significantly altered by HFD and a total of 86, 116, 212 lipid metabolites changed by L-NOB (50 mg/kg/d NOB), M-NOB (100 mg/kg/d NOB) and H-NOB (200 mg/kg/d NOB) respectively. In the further screening analysis, an amount of 60 lipids were identified as the potential lipid markers of NOB treatment, most of which belonged to glycerophospholipids lipid categories and exhibited obvious correlation with each other and the lipid parameters related to hepatic steatosis. Taken together, our data demonstrated that glycerophospholipids metabolism played an indispensable role in the progression of hepatic steatosis and the protective effect of NOB. Besides, the modulation towards genes involved in lipid synthesis were observed after NOB administration in this study. These finding illustrated the anti-hepatic steatosis effect of NOB based on altering hepatic lipidome, particularly the glycerophospholipids metabolism, and provided a new insight in the pathogenesis of hepatic steatosis.
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Affiliation(s)
- Xushan Yang
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, No.1023 South Shatai Road, Guangzhou, 510515, China
| | - Linye Sun
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, No.1023 South Shatai Road, Guangzhou, 510515, China
| | - Dongliang Feng
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, No.1023 South Shatai Road, Guangzhou, 510515, China
| | - Yudi Deng
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, No.1023 South Shatai Road, Guangzhou, 510515, China
| | - Wenzhen Liao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, No.1023 South Shatai Road, Guangzhou, 510515, China.
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Chen L, Li H, Ru Y, Song Y, Shen Y, Zhao L, Huang G, Chen Y, Qi Z, Li R, Dong C, Fang J, Lam TKY, Yang Z, Cai Z. Xanthine-derived reactive oxygen species exacerbates adipose tissue disorders in male db/db mice induced by real-ambient PM2.5 exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 882:163592. [PMID: 37087002 DOI: 10.1016/j.scitotenv.2023.163592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 04/11/2023] [Accepted: 04/15/2023] [Indexed: 05/03/2023]
Abstract
Epidemiological and experimental data have associated exposure to fine particulate matter (PM2.5) with various metabolic dysfunctions and diseases, including overweight and type 2 diabetes. Adipose tissue is an energy pool for storing lipids, a necessary regulator of glucose homeostasis, and an active endocrine organ, playing an essential role in developing various related diseases such as diabetes and obesity. However, the molecular mechanisms underlying PM2.5-impaired functions in adipose tissue have rarely been explored. In this work, metabolomics based on liquid chromatography-mass spectrometry was performed to study the adverse impacts of PM2.5 exposure on brown adipose tissue (BAT) and white adipose tissue (WAT) in the diabetic mouse model. We found the effects of PM2.5 exposure by comparing the different metabolites in both adipose tissues of male db/db mice using real-ambient PM2.5 exposure. The results showed that PM2.5 exposure changed the purine metabolism in mice, especially the dramatic increase of xanthine content in both WAT and BAT. These changes led to significant oxidative stress. Then the results from real-time quantitative polymerase chain reaction showed that PM2.5 exposure could cause the production of inflammatory factors in both adipose tissues. Moreover, the increased reactive oxygen species (ROS) promoted triglyceride accumulation in WAT and inhibited its decomposition, causing increased WAT content in db/db mice. In addition, PM2.5 exposure significantly suppressed thermogenesis and affected energy metabolism in the BAT of male db/db mice, which may deteriorate insulin sensitivity and blood glucose regulation. This research demonstrated the impact of PM2.5 on the adipose tissue of male db/db mice, which may be necessary for public health.
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Affiliation(s)
- Leijian Chen
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Huankai Li
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Yi Ru
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Yuanyuan Song
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Yuting Shen
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Lifang Zhao
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Gefei Huang
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Yi Chen
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Zenghua Qi
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Ruijin Li
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Chuan Dong
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Jiacheng Fang
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Thomas Ka-Yam Lam
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
| | - Zhu Yang
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong.
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong
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48
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Choi WJ, Kim MH, Park N, Chung JY, Park SJ, Yang WM. Effect and mechanism of Magnolia officinalis pharmacopuncture for treating localized fat via network pharmacology and experimental study. Integr Med Res 2023; 12:100948. [PMID: 37181416 PMCID: PMC10173613 DOI: 10.1016/j.imr.2023.100948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 03/26/2023] [Accepted: 03/28/2023] [Indexed: 04/08/2023] Open
Abstract
Background Recently, for various reasons, the need for non-invasive treatment for localized fat has emerged. This study confirmed whether Magnolia officinalis (MO) pharmacopuncture reduces localized fat by promoting lipolysis and inhibiting adipogenesis. Methods The network was built using genes related to the active compound of MO and the mode of action of MO was predicted by the functional enrichment analysis. Based on the result from network analysis, 100 µL of 2 mg/mL MO pharmacopuncture was injected into the inguinal fat pad for 6 weeks in obese C57BL/6J mice. Normal saline was injected into the right-side inguinal fat pad as a self-control. Results It was expected that the 'AMP-activated protein kinase (AMPK) signaling pathway' would be affected by the MO Network. MO pharmacopuncture reduced the weight and size of inguinal fat in HFD-induced obese mice. The phosphorylation of AMPK along with the increases of lipases was significantly increased by MO injection. Also, the expression levels of fatty acid synthesize-related mediators were suppressed by MO injection. Conclusion Our results demonstrated that MO pharmacopuncture promoted the expression of AMPK, which has beneficial effects on activation of lipolysis and inhibition of lipogenesis. Pharmacopuncture of MO can be a non-surgical alternative therapy in the treatment of local fat tissue.
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Park NW, Lee ES, Ha KB, Jo SH, Kim HM, Kwon MH, Chung CH. Umbelliferone Ameliorates Hepatic Steatosis and Lipid-Induced ER Stress in High-Fat Diet-Induced Obese Mice. Yonsei Med J 2023; 64:243-250. [PMID: 36996895 PMCID: PMC10067795 DOI: 10.3349/ymj.2022.0354] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 02/25/2023] [Accepted: 02/27/2023] [Indexed: 04/01/2023] Open
Abstract
PURPOSE Among the characteristics of non-alcoholic fatty liver disease (NAFLD), hepatic steatosis is due to excessive fat accumulation and causes liver damage and lipotoxicity, which are associated with insulin resistance, endoplasmic reticulum (ER) stress, and apoptosis. Umbelliferone (UMB) has various powerful pharmacological properties, such as antioxidant, anti-hyperglycemic, anti-viral, and anti-inflammatory effects. However, the mechanism of action in hepatic steatosis and lipid-induced ER stress is still unclear. Thus, the efficacy of UMB in hepatic steatosis and palmitate (PA)-induced hepatocellular lipotoxicity was evaluated in the present study. MATERIALS AND METHODS Male C57BL/6J mice (n=40) were divided into four groups: regular diet (RD), UMB-supplemented RD, high-fat diet (HFD), and UMB-supplemented HFD. All mice were fed orally for 12 weeks. In addition, the effects of UMB on lipotoxicity were investigated in AML12 cells treated with PA (250 µM) for 24 h; Western blot analysis was used to evaluate the changes in ER stress and apoptotic-associated proteins. RESULTS Administration with UMB in HFD-fed mice reduced lipid accumulation and hepatic triglyceride (TG) as well as serum insulin and glucose levels. In AML12 cells, UMB treatment reduced lipid accumulation as indicated by decreases in the levels of lipogenesis markers, such as SREBP1, FAS, PPAR-γ, and ADRP. Furthermore, UMB reduced both oxidative stress and ER stress-related cellular apoptosis. CONCLUSION UMB supplementation ameliorated hepatic steatosis and improved insulin resistance by inhibiting lipid accumulation and regulating ER stress. These findings strongly suggest that UMB may be a potential therapeutic compound against NAFLD.
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Affiliation(s)
- Na Won Park
- Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
- Research Institute of Metabolism and Inflammation, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Eun Soo Lee
- Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
- Research Institute of Metabolism and Inflammation, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Kyung Bong Ha
- Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
- Research Institute of Metabolism and Inflammation, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Su Ho Jo
- Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
- Research Institute of Metabolism and Inflammation, Yonsei University Wonju College of Medicine, Wonju, Korea
| | | | - Mi-Hye Kwon
- East Coast Life Sciences Institute, Gangneung-Wonju National University, Gangneung, Korea
| | - Choon Hee Chung
- Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
- Research Institute of Metabolism and Inflammation, Yonsei University Wonju College of Medicine, Wonju, Korea.
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50
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Vasarri M, Barletta E, Stio M, Bergonzi MC, Galli A, Degl’Innocenti D. Ameliorative Effect of Posidonia oceanica on High Glucose-Related Stress in Human Hepatoma HepG2 Cells. Int J Mol Sci 2023; 24:ijms24065203. [PMID: 36982278 PMCID: PMC10048879 DOI: 10.3390/ijms24065203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/02/2023] [Accepted: 03/04/2023] [Indexed: 03/11/2023] Open
Abstract
Metabolic disorders characterized by elevated blood glucose levels are a recognized risk factor for hepatocellular carcinoma (HCC). Lipid dysregulation is critically involved in the HCC progression, regulating energy storage, metabolism, and cell signaling. There is a clear link between de novo lipogenesis in the liver and activation of the NF-κB pathway, which is involved in cancer metastasis via regulation of metalloproteinases MMP-2/9. As conventional therapies for HCC reach their limits, new effective and safe drugs need to be found for the prevention and/or adjuvant therapy of HCC. The marine plant Posidonia oceanica (L.) Delile is endemic to the Mediterranean and has traditionally been used to treat diabetes and other health disorders. The phenol-rich leaf extract of Posidonia oceanica (POE) is known to have cell-safe bioactivities. Here, high glucose (HG) conditions were used to study lipid accumulation and fatty acid synthase (FASN) expression in human HepG2 hepatoma cells using Oil Red O and Western blot assays. Under HG conditions, the activation status of MAPKs/NF-κB axis and MMP-2/9 activity were determined by Western blot and gelatin zymography assays. The potential ameliorative role of POE against HG-related stress in HepG2 cells was then investigated. POE reduced lipid accumulation and FASN expression with an impact on de novo lipogenesis. Moreover, POE inhibited the MAPKs/NF-κB axis and, consequently, MMP-2/9 activity. Overall, these results suggest that P. oceanica may be a potential weapon in the HCC additional treatment.
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Affiliation(s)
- Marzia Vasarri
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
- Department of Chemistry “Ugo Schiff”, University of Florence, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Florence, Italy
| | - Emanuela Barletta
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Maria Stio
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Maria Camilla Bergonzi
- Department of Chemistry “Ugo Schiff”, University of Florence, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Florence, Italy
| | - Andrea Galli
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Donatella Degl’Innocenti
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
- Interuniversity Center of Marine Biology and Applied Ecology “G. Bacci” (CIBM), Viale N. Sauro 4, 57128 Livorno, Italy
- Correspondence:
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