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Fang L, Liu C, Jiang ZZ, Wang M, Geng K, Xu Y, Zhu Y, Fu Y, Xue J, Shan W, Zhang Q, Chen J, Chen J, Zhao M, Guo Y, Siu KWM, Chen YE, Xu Y, Liu D, Zheng L. Annexin A1 binds PDZ and LIM domain 7 to inhibit adipogenesis and prevent obesity. Signal Transduct Target Ther 2024; 9:218. [PMID: 39174522 PMCID: PMC11341699 DOI: 10.1038/s41392-024-01930-0] [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: 01/10/2024] [Revised: 06/29/2024] [Accepted: 07/24/2024] [Indexed: 08/24/2024] Open
Abstract
Obesity is a global issue that warrants the identification of more effective therapeutic targets and a better understanding of the pivotal molecular pathogenesis. Annexin A1 (ANXA1) is known to inhibit phospholipase A2, exhibiting anti-inflammatory activity. However, the specific effects of ANXA1 in obesity and the underlying mechanisms of action remain unclear. Our study reveals that ANXA1 levels are elevated in the adipose tissue of individuals with obesity. Whole-body or adipocyte-specific ANXA1 deletion aggravates obesity and metabolic disorders. ANXA1 levels are higher in stromal vascular fractions (SVFs) than in mature adipocytes. Further investigation into the role of ANXA1 in SVFs reveals that ANXA1 overexpression induces lower numbers of mature adipocytes, while ANXA1-knockout SVFs exhibit the opposite effect. This suggests that ANXA1 plays an important role in adipogenesis. Mechanistically, ANXA1 competes with MYC binding protein 2 (MYCBP2) for interaction with PDZ and LIM domain 7 (PDLIM7). This exposes the MYCBP2-binding site, allowing it to bind more readily to the SMAD family member 4 (SMAD4) and promoting its ubiquitination and degradation. SMAD4 degradation downregulates peroxisome proliferator-activated receptor gamma (PPARγ) transcription and reduces adipogenesis. Treatment with Ac2-26, an active peptide derived from ANXA1, inhibits both adipogenesis and obesity through the mechanism. In conclusion, the molecular mechanism of ANXA1 inhibiting adipogenesis was first uncovered in our study, which is a potential target for obesity prevention and treatment.
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Affiliation(s)
- Lu Fang
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Changjie Liu
- Department of Blood Transfusion, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510000, Guangdong, China
| | - Zong-Zhe Jiang
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, PR China
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, Luzhou, 646000, Sichuan, China
| | - Mengxiao Wang
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Kang Geng
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, Luzhou, 646000, Sichuan, China
- Department of plastic and burns surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, PR China
| | - Yangkai Xu
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Yujie Zhu
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Yiwen Fu
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Jing Xue
- Beijing Tiantan Hospital, China National Clinical Research Center for Neurological Diseases, Advanced Innovation Center for Human Brain Protection, Capital Medical University, 6 Tiantan Xili, Chongwen District, 100050, Beijing, China
| | - Wenxin Shan
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Qi Zhang
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Jie Chen
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Jiahong Chen
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - Mingming Zhao
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital; State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University; NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides; Beijing Key Laboratory of Cardiovascular Receptors Research; Research Unit of Medical Science Research Management/Basic and Clinical Research of Metabolic Cardiovascular Diseases, Chinese Academy of Medical Sciences, 100191, Beijing, China
| | - Yuxuan Guo
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China
| | - K W Michael Siu
- Center for Mass Spectrometry Research and Clinical Application, Shandong Public Health Clinical Center Affiliated to Shandong University, Lishan Campus, 46 Lishan Road, Jinan, Shandong, China
- Department of Chemistry and Biochemistry, University of Windsor, 401 Sunset Avenue, Windsor, ON, N9B 3P4, Canada
| | - Y Eugene Chen
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - Yong Xu
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, PR China.
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, Luzhou, 646000, Sichuan, China.
| | - Donghui Liu
- Department of Geriatrics, National Key Clinical Specialty, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510000, China.
| | - Lemin Zheng
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, State Key Laboratory of Vascular Homeostasis and Remodeling, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Beijing Key Laboratory of Cardiovascular Receptors Research, Health Science Center, Peking University, 100191, Beijing, China.
- Beijing Tiantan Hospital, China National Clinical Research Center for Neurological Diseases, Advanced Innovation Center for Human Brain Protection, Capital Medical University, 6 Tiantan Xili, Chongwen District, 100050, Beijing, China.
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Wang T, Zhou D, Hong Z. Adipose tissue in older individuals: a contributing factor to sarcopenia. Metabolism 2024; 160:155998. [PMID: 39128607 DOI: 10.1016/j.metabol.2024.155998] [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: 05/05/2024] [Revised: 08/05/2024] [Accepted: 08/06/2024] [Indexed: 08/13/2024]
Abstract
Sarcopenia is a geriatric syndrome characterized by a functional decline in muscle. The prevalence of sarcopenia increases with natural aging, becoming a serious health problem among elderly individuals. Therefore, understanding the pathology of sarcopenia is critical for inhibiting age-related alterations and promoting health and longevity in elderly individuals. The development of sarcopenia may be influenced by interactions between visceral and subcutaneous adipose tissue and skeletal muscle, particularly under conditions of chronic low-grade inflammation and metabolic dysfunction. This hypothesis is supported by the following observations: (i) accumulation of senescent cells in both adipose tissue and skeletal muscle with age; (ii) gut dysbiosis, characterized by an imbalance in gut microbial communities as the main trigger for inflammation, sarcopenia, and aged adipose tissue; and (iii) microbial dysbiosis, which could impact the onset or progression of a senescent state. Moreover, adipose tissue acts as an endocrine organ, releasing molecules that participate in intricate communication networks between organs. Our discussion focuses on novel adipokines and their role in regulating adipose tissue and muscle, particularly those influenced by aging and obesity, emphasizing their contributions to disease development. On the basis of these findings, we propose that age-related adipose tissue and sarcopenia are disorders characterized by chronic inflammation and metabolic dysregulation. Finally, we explore new potential therapeutic strategies involving specialized proresolving mediator (SPM) G protein-coupled receptor (GPCR) agonists, non-SPM GPCR agonists, transient receptor potential (TRP) channels, antidiabetic drugs in conjunction with probiotics and prebiotics, and compounds designed to target senescent cells and mitigate their pro-inflammatory activity.
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Affiliation(s)
- Tiantian Wang
- Department of Neurology, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Institute of Brain Science and Brain-inspired Technology of West China Hospital, Sichuan University, Chengdu, Sichuan, China; Department of Neurology, Chengdu Shangjin Nanfu Hospital, Chengdu, Sichuan, China.
| | - Dong Zhou
- Department of Neurology, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Institute of Brain Science and Brain-inspired Technology of West China Hospital, Sichuan University, Chengdu, Sichuan, China; Department of Neurology, Chengdu Shangjin Nanfu Hospital, Chengdu, Sichuan, China
| | - Zhen Hong
- Department of Neurology, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Institute of Brain Science and Brain-inspired Technology of West China Hospital, Sichuan University, Chengdu, Sichuan, China; Department of Neurology, Chengdu Shangjin Nanfu Hospital, Chengdu, Sichuan, China.
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Ribeiro GHM, Guimarães VHD, Teixeira HADS, Farias LC, Guimarães ALS, de Paula AMB, Santos SHS. Dietary supplementation with black cricket (Gryllus assimilis) reverses protein-energy malnutrition and modulates renin-angiotensin system expression in adipose tissue. Food Res Int 2024; 189:114570. [PMID: 38876598 DOI: 10.1016/j.foodres.2024.114570] [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: 09/28/2023] [Revised: 05/21/2024] [Accepted: 05/26/2024] [Indexed: 06/16/2024]
Abstract
Edible insects are recognized as promising food sources due to their nutritional composition. Some species, such as Gryllus assimilis, contain proteins, lipids, and carbohydrates of high biological value, which regulate several metabolic functions, including the Renin-Angiotensin System (RAS). In this context, the present study aimed to assess the effects of dietary supplementation with whole Gryllus assimilis powder on the metabolism of malnourished mice. Thirty-two male Swiss mice were used and divided into four treatment groups. The groups were identified as (AIN93-M); AIN93-M + Gryllus assimilis diet (AIN93-M + GA); AIN93-M + Renutrition diet (AIN93-M + REN) and AIN93-M + Renutrition diet + Gryllus assimilis (AIN93-M + REN + GA). The results showed that whole Gryllus assimilis powder inclusion promotes recovery from protein-energy malnutrition, reduces adiposity, and improves glucose tolerance and insulin sensitivity. It also reduces total cholesterol, triglycerides, VLDL, and adipocyte area. We also observed a significant increase in the expression of RAS-related genes, such as ACE2 and MasR, followed by a reduction in Angiotensinogen and ACE. The main findings of the present study suggest the use of black cricket as a viable strategy for the prevention and treatment of protein-energy malnutrition, as well as the reduction of adiposity, and improvement of lipid and glycemic parameters, with antihypertensive potential.
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Affiliation(s)
- Guilherme Henrique Mendes Ribeiro
- Postgraduate Program in Food Science, Faculty of Food Engineering, State University of Campinas (UNICAMP), Campinas, São Paulo, Brazil; Institute of Agricultural Science, Postgraduate Program in Food and Health, University Federal of Minas Gerais (UFMG), Montes Claros, Minas Gerais, Brazil
| | - Victor Hugo Dantas Guimarães
- Postgraduate Program in Health Sciences, State University of Montes Claros (UNIMONTES), Montes Claros, Minas Gerais, Brazil
| | | | - Lucyana Conceição Farias
- Postgraduate Program in Health Sciences, State University of Montes Claros (UNIMONTES), Montes Claros, Minas Gerais, Brazil
| | - André Luiz Sena Guimarães
- Postgraduate Program in Health Sciences, State University of Montes Claros (UNIMONTES), Montes Claros, Minas Gerais, Brazil
| | | | - Sérgio Henrique Sousa Santos
- Institute of Agricultural Science, Postgraduate Program in Food and Health, University Federal of Minas Gerais (UFMG), Montes Claros, Minas Gerais, Brazil; Postgraduate Program in Health Sciences, State University of Montes Claros (UNIMONTES), Montes Claros, Minas Gerais, Brazil.
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Won YS, Bak SG, Chandimali N, Park EH, Lim HJ, Kwon HS, Park SI, Lee SJ. 7-MEGA™ inhibits adipogenesis in 3T3-L1 adipocytes and suppresses obesity in high-fat-diet-induced obese C57BL/6 mice. Lipids Health Dis 2024; 23:192. [PMID: 38909257 PMCID: PMC11193219 DOI: 10.1186/s12944-024-02175-0] [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: 03/18/2024] [Accepted: 06/04/2024] [Indexed: 06/24/2024] Open
Abstract
BACKGROUND Overweight, often known as obesity, is the abnormal and excessive accumulation of fat that exposes the health of a person at risk by increasing the likelihood that they may experience many chronic conditions. Consequently, obesity has become a global health threat, presenting serious health issues, and attracting a lot of attention in the healthcare profession and the scientific community. METHOD This study aims to explore the anti-adipogenic properties of 7-MEGA™ in an attempt to address obesity, using both in vitro and in vivo research. The effects of 7MEGA™ at three distinct concentrations were investigated in obese mice who were given a high-fat diet (HFD) and 3T3-L1 adipocytes. RESULTS 7MEGA™ decreased the total fat mass, overall body weight, and the perirenal and subcutaneous white adipose tissue (PWAT and SWAT) contents in HFD mice. Additionally, 7MEGA™ showed promise in improving the metabolic health of individuals with obesity and regulate the levels of insulin hormone, pro-inflammatory cytokines and adipokines. Furthermore, Peroxisome proliferator-activated receptors (PPAR) α and γ, Uncoupling Protein 1 (UCP-1), Sterol Regulatory Element-Binding Protein 1 (SREBP-1), Fatty Acid-Binding Protein 4 (FABP4), Fatty Acid Synthase (FAS), Acetyl-CoA Carboxylase (ACC), Stearoyl-CoA Desaturase-1 (SCD-1) and CCAAT/Enhancer-Binding Protein (C/EBPα) were among the adipogenic regulators that 7MEGA™ could regulate. CONCLUSION In summary, this study uncovered that 7MEGA™ demonstrates anti-adipogenic and anti-obesity effects, suggesting its potential in combating obesity.
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Affiliation(s)
- Yeong-Seon Won
- Division of Research Management, Department of Bioresource Industrialization, Honam National Institute of Biological Resource, Mokpo, 58762, Republic of Korea
| | - Seon-Gyeong Bak
- Functional Biomaterial Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-Gil, Jeongeup, 56212, Republic of Korea
| | - Nisansala Chandimali
- Functional Biomaterial Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-Gil, Jeongeup, 56212, Republic of Korea
- Department of Applied Biotechnology, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Eun Hyun Park
- Functional Biomaterial Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-Gil, Jeongeup, 56212, Republic of Korea
- Department of Veterinary Pathology, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Hyung-Jin Lim
- Scripps Korea Antibody Institute, Chuncheon, 24341, Republic of Korea
| | - Hyuck Se Kwon
- R&D Team, Food & Supplement Health Claims, Vitech, Jeonju, 55365, Republic of Korea
| | - Sang-Ik Park
- Department of Veterinary Pathology, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, 61186, Republic of Korea.
| | - Seung Jae Lee
- Functional Biomaterial Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-Gil, Jeongeup, 56212, Republic of Korea.
- Department of Applied Biotechnology, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea.
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Seo D, Kim N, Jeon A, Kwon J, Baek IH, Shin EC, Lee J, Kim Y. Hypoglycemic and hypolipidemic effects of unsaponifiable matter from okra seed in diabetic rats. Nutr Res Pract 2024; 18:345-356. [PMID: 38854468 PMCID: PMC11156772 DOI: 10.4162/nrp.2024.18.3.345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/17/2024] [Accepted: 04/04/2024] [Indexed: 06/11/2024] Open
Abstract
BACKGROUND/OBJECTIVES Okra seed is a rich source of various nutritional and bioactive constituents, but its mechanism of action is still unclear. The aim of this study was to evaluated the effects on glucose uptake and serum lipid profiles of unsaponifiable matter (USM) from okra seed in adipocytes and diabetic animal models. MATERIALS/METHODS USM was prepared from okra seed powder by saponification. The contents of phytosterols and vitamin E in USM were measured. 3T3-L1 preadipocytes were cultured for 6 days with different concentrations of USM (0-200 μg/mL). The diabetic rats were administered with or without USM for 5 wk. RESULTS In the USM, the contents of phytosterols and vitamin E were 394.13 mg/g USM and 31.16 mg/g USM, respectively. USM showed no cytotoxicity and led to an approximately 1.4-fold increase in glucose uptake in 3T3-L1 adipocytes. The treatment of USM also increased the expressions of peroxisome proliferator-activated receptor-γ and glucose transporter-4 in a dose-dependent manner in adipocytes. The body weight change was not significantly different in all diabetic rats. However, blood glucose and the weights of liver and adipose tissues were significantly reduced compared to those in the control diabetic rats. Treatment with USM decreased the levels of triglycerides, total cholesterol, and low-density lipoprotein cholesterol compared to the control group. The USM group also showed significantly decreased atherogenic indices and cardiac risk factors. CONCLUSION These results suggest that USM from okra seed improves the hypoglycemic and hypolipidemic effects in diabetic rats, and provides valuable information for improving the functional properties of okra seed.
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Affiliation(s)
- Dongyeon Seo
- Department of Food Science and Biotechnology, Kyungsung University, Busan 48434, Korea
| | - Naeun Kim
- Department of Food Science and Biotechnology, Kyungsung University, Busan 48434, Korea
| | - Ahyeong Jeon
- Department of Food Science and Biotechnology, Kyungsung University, Busan 48434, Korea
| | - Jihyun Kwon
- Department of Food Science and Biotechnology, Kyungsung University, Busan 48434, Korea
| | - In-hwan Baek
- College of Pharmacy, Kyungsung University, Busan 48434, Korea
| | - Eui-Cheol Shin
- Department of GreenBio Science/Food Science and Technology, Gyeongsang National University, Jinju 52725, Korea
| | - Junsoo Lee
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju 28644, Korea
| | - Younghwa Kim
- Department of Food Science and Biotechnology, Kyungsung University, Busan 48434, Korea
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Su Y, Li X, Zhao J, Ji B, Zhao X, Feng J, Zhao J. Guanidinoacetic acid ameliorates hepatic steatosis and inflammation and promotes white adipose tissue browning in middle-aged mice with high-fat-diet-induced obesity. Food Funct 2024; 15:4515-4526. [PMID: 38567805 DOI: 10.1039/d3fo05201j] [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: 04/23/2024]
Abstract
Guanidinoacetic acid (GAA) is a naturally occurring amino acid derivative that plays a critical role in energy metabolism. In recent years, a growing body of evidence has emerged supporting the importance of GAA in metabolic dysfunction. Hence, we aimed to investigate the effects of GAA on hepatic and adipose tissue metabolism, as well as systemic inflammatory responses in obese middle-aged mice models and attempted to explore the underlying mechanism. We found that dietary supplementation of GAA inhibited inguinal white adipose tissue (iWAT) hypertrophy in high-fat diet (HFD)-fed mice. In addition, GAA supplementation observably decreased the levels of some systemic inflammatory factors, including IL-4, TNF-α, IL-1β, and IL-6. Intriguingly, GAA supplementation ameliorated hepatic steatosis and lipid deposition in HFD-fed mice, which was revealed by decreased levels of TG, TC, LDL-C, PPARγ, SREBP-1c, FASN, ACC, FABP1, and APOB and increased levels of HDL-C in the liver. Moreover, GAA supplementation increased the expression of browning markers and mitochondrial-related genes in the iWAT. Further investigation showed that dietary GAA promoted the browning of the iWAT via activating the AMPK/Sirt1 signaling pathway and might be associated with futile creatine cycling in obese mice. These results indicate that GAA has the potential to be used as an effective ingredient in dietary interventions and thus may play an important role in ameliorating and preventing HFD-induced obesity and related metabolic diseases.
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Affiliation(s)
- Yuan Su
- College of Animal Sciences, Shanxi Agricultural University, Taigu 030801, PR China.
- Shanxi Key Laboratory of Animal Genetics Resource Utilization and Breeding, Shanxi Agricultural University, Taigu 030801, PR China
| | - Xinrui Li
- College of Animal Sciences, Shanxi Agricultural University, Taigu 030801, PR China.
| | - Jiamin Zhao
- College of Animal Sciences, Shanxi Agricultural University, Taigu 030801, PR China.
| | - Bingzhen Ji
- College of Animal Sciences, Shanxi Agricultural University, Taigu 030801, PR China.
| | - Xiaoyi Zhao
- College of Animal Sciences, Shanxi Agricultural University, Taigu 030801, PR China.
| | - Jinxin Feng
- College of Animal Sciences, Shanxi Agricultural University, Taigu 030801, PR China.
| | - Junxing Zhao
- College of Animal Sciences, Shanxi Agricultural University, Taigu 030801, PR China.
- Shanxi Key Laboratory of Animal Genetics Resource Utilization and Breeding, Shanxi Agricultural University, Taigu 030801, PR China
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Manglani K, Anika NN, Patel D, Jhaveri S, Avanthika C, Sudan S, Alimohamed Z, Tiwari K. Correlation of Leptin in Patients With Type 2 Diabetes Mellitus. Cureus 2024; 16:e57667. [PMID: 38707092 PMCID: PMC11070180 DOI: 10.7759/cureus.57667] [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] [Accepted: 04/05/2024] [Indexed: 05/07/2024] Open
Abstract
The exponential increase in diabetes mellitus (DM) poses serious public health concerns. In this review, we focus on the role of leptin in type 2 DM. The peripheral actions of leptin consist of upregulating proinflammatory cytokines which play an important role in the pathogenesis of type 2 DM and insulin resistance. Moreover, leptin is known to inhibit insulin secretion and plays a significant role in insulin resistance in obesity and type 2 DM. A literature search was conducted on Medline, Cochrane, Embase, and Google Scholar for relevant articles published until December 2023. The following search strings and Medical Subject Headings (MeSH terms) were used: "Diabetes Mellitus," "Leptin," "NPY," and "Biomarker." This article aims to discuss the physiology of leptin in type 2 DM, its glucoregulatory actions, its relationship with appetite, the impact that various lifestyle modifications can have on leptin levels, and, finally, explore leptin as a potential target for various treatment strategies.
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Affiliation(s)
- Kajol Manglani
- Internal Medicine, MedStar Washington Hospital Center, Washington, USA
| | | | - Dhriti Patel
- Medicine and Surgery, B.J. Medical College and Civil Hospital, Ahmedabad, IND
| | - Sharan Jhaveri
- Medicine and Surgery, Smt. Nathiba Hargovandas Lakhmichand Municipal Medical College, Gujarat University, Ahmedabad, IND
| | - Chaithanya Avanthika
- Pediatrics, Icahn School of Medicine at Mount Sinai, Elmhurst Hospital Center, New York, USA
- Medicine and Surgery, Karnataka Institute of Medical Sciences, Hubballi, IND
| | - Sourav Sudan
- Internal Medicine, Government Medical College, Rajouri, Rajouri, IND
| | - Zainab Alimohamed
- Division of Research & Academic Affairs, Larkin Health System, South Miami, USA
| | - Kripa Tiwari
- Internal Medicine, Maimonides Medical Center, New York, USA
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8
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Liang Y, Ban Y, Liu L, Li Y. Inhibitory Effects of the Polyphenols from the Root of Rhizophora apiculata Blume on Fatty Acid Synthase Activity and Human Colon Cancer Cells. Molecules 2024; 29:1180. [PMID: 38474695 DOI: 10.3390/molecules29051180] [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: 01/24/2024] [Revised: 02/18/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
Marine mangrove vegetation has been traditionally employed in folk medicine to address various ailments. Notably, Rhizophora apiculata Blume has exhibited noteworthy properties, demonstrating efficacy against cancer, viruses, and bacteria. The enzyme fatty acid synthase (FAS) plays a pivotal role in de novo fatty acid synthesis, making it a promising target for combating colon cancer. Our study focused on evaluating the FAS inhibitory effects of both the crude extract and three isolated compounds from R. apiculata. The n-butanol fraction of R. apiculata extract (BFR) demonstrated a significant inhibition of FAS, with an IC50 value of 93.0 µg/mL. For inhibition via lyoniresinol-3α-O-β-rhamnopyranoside (LR), the corresponding IC50 value was 20.1 µg/mL (35.5 µM). LR competitively inhibited the FAS reaction with acetyl-CoA, noncompetitively with malonyl-CoA, and in a mixed manner with NADPH. Our results also suggest that both BFR and LR reversibly bind to the KR domain of FAS, hindering the reduction of saturated acyl groups in fatty acid synthesis. Furthermore, BFR and LR displayed time-dependent inhibition for FAS, with kobs values of 0.0045 min-1 and 0.026 min-1, respectively. LR also exhibited time-dependent inhibition on the KR domain, with a kobs value of 0.019 min-1. In human colon cancer cells, LR demonstrated the ability to reduce viability and inhibit intracellular FAS activity. Notably, the effects of LR on human colon cancer cells could be reversed with the end product of FAS-catalyzed chemical reactions, affirming the specificity of LR on FAS. These findings underscore the potential of BFR and LR as potent FAS inhibitors, presenting novel avenues for the treatment of human colon cancer.
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Affiliation(s)
- Yan Liang
- School of Sports Sciences, Beijing Sport University, No. 48, Xinxi Road, Beijing 100084, China
- School of Kinesiology and Health, Capital University of Physical Education and Sports, No. 11, Beisanhuanxi Road, Beijing 100191, China
| | - Yue Ban
- School of Kinesiology and Health, Capital University of Physical Education and Sports, No. 11, Beisanhuanxi Road, Beijing 100191, China
| | - Lei Liu
- College of Chemistry and Materials Engineering, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Yanchun Li
- School of Sports Sciences, Beijing Sport University, No. 48, Xinxi Road, Beijing 100084, China
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Rezvani R, Shadmand Foumani Moghadam MR, Cianflone K. Acylation stimulating protein/C3adesArg in the metabolic states: role of adipocyte dysfunction in obesity complications. J Physiol 2024; 602:773-790. [PMID: 38305477 DOI: 10.1113/jp285127] [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: 07/21/2023] [Accepted: 11/27/2023] [Indexed: 02/03/2024] Open
Abstract
Adipose tissue, as an endocrine organ, secretes several adipocyte-derived hormones named 'adipokines' that are implicated in regulating energy haemostasis. Substantial evidence shows that white adipose tissue-derived adipokines mediate the link between obesity-related exogenous factors (like diet and lifestyle) and various biological events (such as pre- and postmenopausal status) that have obesity consequences (cardiometabolic disorders). One of the critical aetiological factors for obesity-related diseases is the dysfunction of adipokine pathways. Acylation-stimulating protein (ASP) is an adipokine that stimulates triglyceride synthesis and storage in adipose tissue by enhancing glucose and fatty acid uptake. ASP acts via its receptor C5L2. The primary objective of this review is to address the existing gap in the literature regarding ASP by investigating its diverse responses and receptor interactions across multiple determinants of obesity. These determinants include diet composition, metabolic disorders, organ involvement, sex and sex hormone levels. Furthermore, this article explores the broader paradigm shift from solely focusing on adipose tissue mass, which contributes to obesity, to considering the broader implications of adipose tissue function. Additionally, we raise a critical question concerning the clinical relevance of the insights gained from this review, both in terms of potential therapeutic interventions targeting ASP and in the context of preventing obesity-related conditions, highlighting the potential of the ASP-C5L2 interaction as a pharmacological target. In conclusion, these findings validate that obesity is a low-grade inflammatory status with multiorgan involvement and sex differences, demonstrating dynamic interactions between immune and metabolic response determinants.
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Affiliation(s)
- Reza Rezvani
- Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Katherine Cianflone
- Centre de Recherche Institut Universitaire de Cardiologie & Pneumologie de Québec, Université Laval, Québec, Québec, Canada
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10
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Panchali T, Dutta A, Das P, Khatun A, Kar R, Mondal S, Mondal KC, Chakrabarti S, Ghosh K, Pradhan S. Amelioration of obesity induction by a high-fat diet and related inflammation by Phasa fish (Setipinna phasa) oil in BALB/c mice. J Appl Biomed 2024; 22:49-58. [PMID: 38505970 DOI: 10.32725/jab.2024.003] [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: 12/24/2022] [Accepted: 01/31/2024] [Indexed: 03/21/2024] Open
Abstract
We have extracted and characterized Phasa fish (Setipinna phasa) oil for the first time to evaluate the anti-obesity and related anti-inflammatory effects on obese mice. Inbred male albino BALB/c mice were segregated into three categories: control (C), Obese control group (OC), and Phasa fish oil treated group (TX). To establish the potentiality of Setipinna phasa oil for its anti-obesity and anti-inflammatory properties, it was extracted and characterized using GC-MS method. To evaluate the anti-obesity effect, different parameters were considered, such as body weight, lipid composition, obesity, and obesity associated inflammation. The physicochemical characteristics of Phasa fish oil revealed that the oil quality was good because acid value, peroxide value, p-anisidine value, Totox value, refractive index, and saponification value were within the standard value range. The GC-MS study explored the presence of fatty acids beneficial to health such as Hexadec-9-enoic acid; Octadec-11-enoic acid; EPA, DHA, Methyl Linolenate, etc. The application of Setipinna phasa oil on the treated mice group acutely lowered body weight and serum lipid profile compared to the obese group. In connection with this, leptin, FAS, and pro-inflammatory cytokines TNF-α genes expression were downregulated in the treated group compared to the obese group. The Phasa oil treated group had an elevated expression of PPAR-α, adiponectin, LPL gene, and anti-inflammatory markers IL-10 and IL-1Ra compared to the obese group. This study suggests that Phasa fish oil, enriched with essential fatty acid, might be used as an anti-obesity and anti-inflammatory supplement.
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Affiliation(s)
- Titli Panchali
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
| | - Ananya Dutta
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
| | - Pipika Das
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
| | - Amina Khatun
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
| | - Riya Kar
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
| | - Subhadeep Mondal
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
| | | | - Sudipta Chakrabarti
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
| | - Kuntal Ghosh
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
| | - Shrabani Pradhan
- Midnapore City College, Department of Paramedical and Allied Health Sciences, Bhadutala, Paschim Medinipur, West Bengal, India
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11
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Tan Z, Jiang H. Molecular and Cellular Mechanisms of Intramuscular Fat Development and Growth in Cattle. Int J Mol Sci 2024; 25:2520. [PMID: 38473768 DOI: 10.3390/ijms25052520] [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: 01/23/2024] [Revised: 02/15/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024] Open
Abstract
Intramuscular fat, also referred to as marbling fat, is the white fat deposited within skeletal muscle tissue. The content of intramuscular fat in the skeletal muscle, particularly the longissimus dorsi muscle, of cattle is a critical determinant of beef quality and value. In this review, we summarize the process of intramuscular fat development and growth, the factors that affect this process, and the molecular and epigenetic mechanisms that mediate this process in cattle. Compared to other species, cattle have a remarkable ability to accumulate intramuscular fat, partly attributed to the abundance of sources of fatty acids for synthesizing triglycerides. Compared to other adipose depots such as subcutaneous fat, intramuscular fat develops later and grows more slowly. The commitment and differentiation of adipose precursor cells into adipocytes as well as the maturation of adipocytes are crucial steps in intramuscular fat development and growth in cattle. Each of these steps is controlled by various factors, underscoring the complexity of the regulatory network governing adipogenesis in the skeletal muscle. These factors include genetics, epigenetics, nutrition (including maternal nutrition), rumen microbiome, vitamins, hormones, weaning age, slaughter age, slaughter weight, and stress. Many of these factors seem to affect intramuscular fat deposition through the transcriptional or epigenetic regulation of genes directly involved in the development and growth of intramuscular fat. A better understanding of the molecular and cellular mechanisms by which intramuscular fat develops and grows in cattle will help us develop more effective strategies to optimize intramuscular fat deposition in cattle, thereby maximizing the quality and value of beef meat.
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Affiliation(s)
- Zhendong Tan
- School of Animal Sciences, Virginia Tech, Blacksburg, VA 24061, USA
| | - Honglin Jiang
- School of Animal Sciences, Virginia Tech, Blacksburg, VA 24061, USA
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12
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Abbasi K, Zarezadeh R, Valizadeh A, Mehdizadeh A, Hamishehkar H, Nouri M, Darabi M. White-brown adipose tissue interplay in polycystic ovary syndrome: Therapeutic avenues. Biochem Pharmacol 2024; 220:116012. [PMID: 38159686 DOI: 10.1016/j.bcp.2023.116012] [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: 11/28/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Abstract
This study highlights the therapeutic potential of activating brown adipose tissue (BAT) for managing polycystic ovary syndrome (PCOS), a prevalent endocrine disorder associated with metabolic and reproductive abnormalities. BAT plays a crucial role in regulating energy expenditure and systemic insulin sensitivity, making it an attractive target for the treatment of obesity and metabolic diseases. Recent research suggests that impaired BAT function and mass may contribute to the link between metabolic disturbances and reproductive issues in PCOS. Additionally, abnormal white adipose tissue (WAT) can exacerbate these conditions by releasing adipokines and nonesterified fatty acids. In this review, we explored the impact of WAT changes on BAT function in PCOS and discussed the potential of BAT activation as a therapeutic strategy to improve PCOS symptoms. We propose that BAT activation holds promise for managing PCOS; however, further research is needed to confirm its efficacy and to develop clinically feasible methods for BAT activation.
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Affiliation(s)
- Khadijeh Abbasi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Zarezadeh
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Valizadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Mehdizadeh
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Hamishehkar
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Nouri
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Masoud Darabi
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Division of Experimental Oncology, Department of Hematology and Oncology, University Medical Center Schleswig-Holstein, Campus Lübeck, Germany.
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13
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Zang L, Kagotani K, Hayakawa T, Tsuji T, Okumura K, Shimada Y, Nishimura N. The Hexane Extract of Citrus sphaerocarpa Ameliorates Visceral Adiposity by Regulating the PI3K/AKT/FoxO1 and AMPK/ACC Signaling Pathways in High-Fat-Diet-Induced Obese Mice. Molecules 2023; 28:8026. [PMID: 38138517 PMCID: PMC10745821 DOI: 10.3390/molecules28248026] [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: 11/10/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Obesity is an emerging global health issue with an increasing risk of disease linked to lifestyle choices. Previously, we reported that the hexane extract of Citrus sphaerocarpa (CSHE) suppressed lipid accumulation in differentiated 3T3-L1 adipocytes. In this study, we conducted in vivo experiments to assess whether CSHE suppressed obesity in zebrafish and mouse models. We administered 10 and 20 μg/mL CSHE to obese zebrafish juveniles. CSHE significantly inhibited visceral fat accumulation compared to untreated obese fish. Moreover, the oral administration (100 μg/g body weight/day) of CSHE to high-fat-diet-induced obese mice significantly reduced their body weight, visceral fat volume, and hepatic lipid accumulation. The expression analyses of key regulatory genes involved in lipid metabolism revealed that CSHE upregulated the mRNA expression of lipolysis-related genes in the mouse liver (Pparα and Acox1) and downregulated lipogenesis-related gene (Fasn) expression in epididymal white adipose tissue (eWAT). Fluorescence immunostaining demonstrated the CSHE-mediated enhanced phosphorylation of AKT, AMPK, ACC, and FoxO1, which are crucial factors regulating adipogenesis. CSHE-treated differentiated 3T3L1 adipocytes also exhibited an increased phosphorylation of ACC. Therefore, we propose that CSHE suppresses adipogenesis and enhances lipolysis by regulating the PI3K/AKT/FoxO1 and AMPK/ACC signaling pathways. These findings suggested that CSHE is a promising novel preventive and therapeutic agent for managing obesity.
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Affiliation(s)
- Liqing Zang
- Graduate School of Regional Innovation Studies, Mie University, Tsu 514-8507, Mie, Japan;
- Mie University Zebrafish Drug Screening Center, Mie University, Tsu 514-8507, Mie, Japan; (K.K.); (Y.S.)
| | - Kazuhiro Kagotani
- Mie University Zebrafish Drug Screening Center, Mie University, Tsu 514-8507, Mie, Japan; (K.K.); (Y.S.)
- Tsuji Health & Beauty Science Laboratory, Mie University, Tsu 514-8507, Mie, Japan; (T.H.); (T.T.)
- Tsuji Oil Mills Co., Ltd., Matsusaka 515-0053, Mie, Japan
| | - Takuya Hayakawa
- Tsuji Health & Beauty Science Laboratory, Mie University, Tsu 514-8507, Mie, Japan; (T.H.); (T.T.)
- Tsuji Oil Mills Co., Ltd., Matsusaka 515-0053, Mie, Japan
| | - Takehiko Tsuji
- Tsuji Health & Beauty Science Laboratory, Mie University, Tsu 514-8507, Mie, Japan; (T.H.); (T.T.)
- Tsuji Oil Mills Co., Ltd., Matsusaka 515-0053, Mie, Japan
| | - Katsuzumi Okumura
- Department of Life Sciences, Graduate School of Bioresources, Mie University, Tsu 514-8507, Mie, Japan;
| | - Yasuhito Shimada
- Mie University Zebrafish Drug Screening Center, Mie University, Tsu 514-8507, Mie, Japan; (K.K.); (Y.S.)
- Department of Integrative Pharmacology, Mie University Graduate School of Medicine, Mie University, Tsu 514-8507, Mie, Japan
- Department of Bioinformatics, Mie University Advanced Science Research Promotion Centre, Tsu 514-8507, Mie, Japan
| | - Norihiro Nishimura
- Graduate School of Regional Innovation Studies, Mie University, Tsu 514-8507, Mie, Japan;
- Mie University Zebrafish Drug Screening Center, Mie University, Tsu 514-8507, Mie, Japan; (K.K.); (Y.S.)
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14
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Hong S, Park SK, Lee J, Park SH, Kim YS, Park JH, Yu S, Lee YG. Patulin Ameliorates Hypertrophied Lipid Accumulation and Lipopolysaccharide-Induced Inflammatory Response by Modulating Mitochondrial Respiration. Antioxidants (Basel) 2023; 12:1750. [PMID: 37760053 PMCID: PMC10526082 DOI: 10.3390/antiox12091750] [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: 08/17/2023] [Revised: 09/06/2023] [Accepted: 09/09/2023] [Indexed: 09/29/2023] Open
Abstract
Patulin (PAT) is a natural mycotoxin found in decaying pome fruits. Although some toxicological studies have been conducted on PAT, recent research has highlighted its anticancer and antifungal effects. However, studies have yet to examine the effects and molecular mechanisms of PAT in other metabolic diseases. Obesity is a chronic disease caused by excessive food intake and abnormal lifestyle, leading to low-grade inflammation. Therefore, this study aimed to elucidate the effect of PAT on obesity at the cellular level. PAT treatment reduced lipid accumulation, suppressed glucose and LDL uptake, inhibited lipid deposition and triglyceride synthesis, upregulated fatty acid oxidation-related genes (Pgc1α), and downregulated adipogenic/lipogenic genes (Pparγ and C/ebpα) in hypertrophied 3T3-L1 adipocytes. Additionally, PAT treatment enhanced mitochondrial respiration and mass in differentiated adipocytes and alleviated inflammatory response in activated RAW 264.7 macrophages. Moreover, PAT treatment downregulated pro-inflammatory genes (il-6, Tnf-α, Cox-2, and inos), suppressed lipopolysaccharide (LPS)-induced increase in inflammatory mediators (IL-6, TNF-α, and NO), and restored mitochondrial oxidative function in LPS-stimulated macrophages by improving oxygen consumption and mitochondrial integrity and suppressing ROS generation. Overall, these findings suggest a potential for PAT in the prevention of lipid accumulation and inflammation-related disorders.
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Affiliation(s)
- Seulmin Hong
- Personalized Diet Research Group, Korea Food Research Institute (KFRI), Wanju 55365, Republic of Korea; (S.H.); (S.K.P.); (J.L.); (S.H.P.); (J.-H.P.)
- Department of Food Science & Technology, Jeonbuk National University, Jeonju 54896, Republic of Korea;
| | - Seon Kyeong Park
- Personalized Diet Research Group, Korea Food Research Institute (KFRI), Wanju 55365, Republic of Korea; (S.H.); (S.K.P.); (J.L.); (S.H.P.); (J.-H.P.)
| | - Jangho Lee
- Personalized Diet Research Group, Korea Food Research Institute (KFRI), Wanju 55365, Republic of Korea; (S.H.); (S.K.P.); (J.L.); (S.H.P.); (J.-H.P.)
| | - Soo Hyun Park
- Personalized Diet Research Group, Korea Food Research Institute (KFRI), Wanju 55365, Republic of Korea; (S.H.); (S.K.P.); (J.L.); (S.H.P.); (J.-H.P.)
| | - Young-Soo Kim
- Department of Food Science & Technology, Jeonbuk National University, Jeonju 54896, Republic of Korea;
| | - Jae-Ho Park
- Personalized Diet Research Group, Korea Food Research Institute (KFRI), Wanju 55365, Republic of Korea; (S.H.); (S.K.P.); (J.L.); (S.H.P.); (J.-H.P.)
| | - Seungmin Yu
- Personalized Diet Research Group, Korea Food Research Institute (KFRI), Wanju 55365, Republic of Korea; (S.H.); (S.K.P.); (J.L.); (S.H.P.); (J.-H.P.)
| | - Yu Geon Lee
- Personalized Diet Research Group, Korea Food Research Institute (KFRI), Wanju 55365, Republic of Korea; (S.H.); (S.K.P.); (J.L.); (S.H.P.); (J.-H.P.)
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15
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Navarro-Masip È, Manocchio F, Rodríguez RM, Bravo FI, Torres-Fuentes C, Muguerza B, Aragonès G. Photoperiod-Dependent Effects of Grape-Seed Proanthocyanidins on Adipose Tissue Metabolic Markers in Healthy Rats. Mol Nutr Food Res 2023; 67:e2300035. [PMID: 37423963 DOI: 10.1002/mnfr.202300035] [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: 01/23/2023] [Revised: 04/26/2023] [Indexed: 07/11/2023]
Abstract
SCOPE Variations in photoperiod patterns drive metabolic adaptations in mammals, involving important changes in body weight and adiposity. Moreover, (poly)phenols can help heterotrophs adopt metabolic adaptations to face the upcoming environmental conditions. Particularly, proanthocyanidins from grape-seeds show photoperiod-dependent effects on different metabolic parameters. The present study aims to explore whether grape-seed proanthocyanidin extract (GSPE) consumption differently affects the expression of metabolic markers in WAT (subcutaneous and visceral depots) and BAT in a photoperiod-dependent manner. METHODS AND RESULTS GSPE (25 mg kg-1 day-1 ) is orally administrated for 4 weeks to healthy rats exposed to three photoperiods (L6, L12, and L18). In WAT, GSPE consumption significantly upregulates the expression of lipolytic genes in all photoperiods, being accompanied by increased serum concentrations of glycerol and corticosterone only under the L6 photoperiod. Moreover, adiponectin mRNA levels are significantly upregulated in response to GSPE regardless of the photoperiod, whereas Tnfα and Il6 expression are only downregulated in L6 and L18 photoperiods but not in L12. In BAT, GSPE upregulates Pgc1α expression in all groups, whereas the expression of Pparα is only increased in L18. CONCLUSIONS The results indicate that GSPE modulates the expression of important metabolic markers of WAT and BAT in a photoperiod-dependent manner.
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Affiliation(s)
- Èlia Navarro-Masip
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Francesca Manocchio
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
- Institute of Health Research Pere Virgili (IISPV), Tarragona, 43007, Spain
- Center of Environmental, Food and Toxicological Technology (TecnATox), Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Romina M Rodríguez
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Francisca Isabel Bravo
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Cristina Torres-Fuentes
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
- Institute of Health Research Pere Virgili (IISPV), Tarragona, 43007, Spain
- Center of Environmental, Food and Toxicological Technology (TecnATox), Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Begoña Muguerza
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
- Institute of Health Research Pere Virgili (IISPV), Tarragona, 43007, Spain
- Center of Environmental, Food and Toxicological Technology (TecnATox), Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Gerard Aragonès
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
- Institute of Health Research Pere Virgili (IISPV), Tarragona, 43007, Spain
- Center of Environmental, Food and Toxicological Technology (TecnATox), Universitat Rovira i Virgili, Tarragona, 43007, Spain
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16
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Navarro-Masip È, Manocchio F, Colom-Pellicer M, Escoté X, Iglesias-Carres L, Calvo E, Bravo FI, Muguerza B, Desjardins Y, Aragonès G. Vitis vinifera L. Bioactive Components Modulate Adipose Tissue Metabolic Markers of Healthy Rats in a Photoperiod-Dependent Manner. Mol Nutr Food Res 2023; 67:e2300074. [PMID: 37421210 DOI: 10.1002/mnfr.202300074] [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: 02/08/2023] [Revised: 05/15/2023] [Indexed: 07/10/2023]
Abstract
SCOPE The beneficial health effects of (poly)phenol-rich foods such as red grapes mainly depend on both the type and concentration of (poly)phenols. Since fruit (poly)phenol content is influenced by growing conditions, the study examines the seasonal effects of red grapes (Vitis vinifera L.), grown under various cultivation conditions, on metabolic markers of adipose tissue in healthy rats. METHODS AND RESULTS For this purpose, Fischer 344 rats are exposed into three different light-dark cycles and daily supplemented with 100 mg kg-1 of either conventionally or organically grown red grapes for 10 weeks (n = 6). Seasonal consumption of organic grapes (OGs), which are richer in anthocyanins, increases energy expenditure (EE) of animals exposed to long photoperiod and enhances uncoupling protein 1 (UCP1) protein expression in brown adipose tissue of animals under standard photoperiod. Additionally, red grape consumption affects the gene expression profile of white adipose tissue (WAT), upregulating browning markers of subcutaneous WAT in 12 h light (L12) and 18 h light (L18) photoperiods, and downregulating adipogenic and lipolytic markers of visceral WAT in 6 h light (L6) and L12 photoperiods. CONCLUSIONS These results clearly show that bioactive compounds of grapes can modulate the metabolic markers of white and brown adipose tissues in a photoperiod and depot-dependent manner, partly affecting EE when consumed out of season.
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Affiliation(s)
- Èlia Navarro-Masip
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Francesca Manocchio
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Marina Colom-Pellicer
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Xavier Escoté
- Unitat de Nutrició i Salut, Centre Tecnològic de Catalunya, Eurecat, 43204, Reus, Spain
| | - Lisard Iglesias-Carres
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Enrique Calvo
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
- Institute of Health Pere Virgili (IISPV), Tarragona, 43007, Spain
- Center of Environmental, Food and Toxicological Technology (TecnATox), Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Francisca I Bravo
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
- Institute of Health Pere Virgili (IISPV), Tarragona, 43007, Spain
- Center of Environmental, Food and Toxicological Technology (TecnATox), Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Begoña Muguerza
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
- Institute of Health Pere Virgili (IISPV), Tarragona, 43007, Spain
- Center of Environmental, Food and Toxicological Technology (TecnATox), Universitat Rovira i Virgili, Tarragona, 43007, Spain
| | - Yves Desjardins
- Faculty of Agriculture and Food Sciences, Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, G1V 0A6, Canada
| | - Gerard Aragonès
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, 43007, Spain
- Institute of Health Pere Virgili (IISPV), Tarragona, 43007, Spain
- Center of Environmental, Food and Toxicological Technology (TecnATox), Universitat Rovira i Virgili, Tarragona, 43007, Spain
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17
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Kulshrestha S, Devkar R. Circadian control of Nocturnin and its regulatory role in health and disease. Chronobiol Int 2023; 40:970-981. [PMID: 37400970 DOI: 10.1080/07420528.2023.2231081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/01/2023] [Accepted: 06/24/2023] [Indexed: 07/05/2023]
Abstract
Circadian rhythms are generated by intrinsic 24-h oscillations that anticipate the extrinsic changes associated with solar day. A conserved transcriptional-translational feedback loop generates these molecular oscillations of clock genes at the organismal and the cellular levels. One of the recently discovered outputs of circadian clock is Nocturnin (Noct) or Ccrn4l. In mice, Noct mRNA is broadly expressed in cells throughout the body, with a particularly high-amplitude rhythm in liver. NOCT belongs to the EEP family of proteins with the closest similarity to the CCR4 family of deadenylases. Multiple studies have investigated the role of Nocturnin in development, adipogenesis, lipid metabolism, inflammation, osteogenesis, and obesity. Further, mice lacking Noct (Noct KO or Noct-/-) are protected from high-fat diet-induced obesity and hepatic steatosis. Recent studies had provided new insights by investigating various aspects of Nocturnin, ranging from its sub-cellular localization to identification of its target transcripts. However, a profound understanding of its molecular function remains elusive. This review article seeks to integrate the available literature into our current understanding of the functions of Nocturnin, their regulatory roles in key tissues and to throw light on the existing scientific lacunae.
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Affiliation(s)
- Shruti Kulshrestha
- Chronobiology and Molecular Endocrinology Lab, Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Ranjitsinh Devkar
- Chronobiology and Molecular Endocrinology Lab, Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
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18
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Zielinski M, Chwalba A, Jastrzebski D, Ziora D. Adipokines in interstitial lung diseases. Respir Physiol Neurobiol 2023:104109. [PMID: 37393966 DOI: 10.1016/j.resp.2023.104109] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 06/20/2023] [Accepted: 06/29/2023] [Indexed: 07/04/2023]
Abstract
Interstitial lung diseases (ILD) are a heterogenic group of respiratory diseases with complex pathogenesis. A growing number of evidence suggests role of adipose tissue and it's hormones (adipokines) in pathogenesis of various disorders, including lung tissue diseases. The aim of this study was to assess the concentrations of selected adipokines and their receptors (apelin, adiponectin, chemerin, chemerin receptor - CMKLR1) in patients with IPF (idiopathic pulmonary fibrosis) and sarcoidosis in comparison to healthy controls. We found changes in adipokines concentrations in ILD. Adiponectin concentrations were higher in all respiratory diseases patients in comparison to healthy controls. Apelin concentration in ILD patients was higher then those in healthy subjects. The trend of chemerin and CMKLR1 concentrations were similar, with highest concentrations seen in sarcoidosis. The study shows a difference of adipokines concentrations between patients with ILD and healthy controls. Adipokines are a potential marker and therapeutic target in patients with IPF and sarcoidosis.
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Affiliation(s)
- M Zielinski
- Department of Lung Diseases and Tuberculosis, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, Poland.
| | - A Chwalba
- Department of Lung Diseases and Tuberculosis, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, Poland
| | - D Jastrzebski
- Department of Lung Diseases and Tuberculosis, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, Poland
| | - D Ziora
- Department of Lung Diseases and Tuberculosis, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, Poland
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Golec M, Zembala-John J, Fronczek M, Konka A, Bochenek A, Wystyrk K, Botor H, Zalewska M, Chrapiec M, Kasperczyk S, Brzoza Z, Bułdak RJ. Relationship between anthropometric and body composition parameters and anti-SARS-CoV-2 specific IgG titers in females vaccinated against COVID-19 according to the heterologous vaccination course: A cohort study. PLoS One 2023; 18:e0287128. [PMID: 37310975 DOI: 10.1371/journal.pone.0287128] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/31/2023] [Indexed: 06/15/2023] Open
Abstract
INTRODUCTION The aim of this cohort study was to evaluate the relationship between anthropometric and body composition parameters and anti-SARS-CoV-2 IgG titers in a group of females who were vaccinated against COVID-19 with two doses of ChAdOx1 vaccine and then boosted with the BNT162b2 vaccine. MATERIALS AND METHODS The study group consisted of 63 women. Basic demographic and clinical data were collected. To assess the anti-SARS-CoV-2 immunoglobulin G titers following the vaccination, five blood draws were performed: 1) before the first dose, 2) before the second dose, 3) 14-21 days after the primary vaccination, 4) before the booster, and 5) 21 days after the booster. Blood samples were analyzed using a two-step enzymatic chemiluminescent assay. Body mass index and body composition were evaluated using bioelectrical impedance analysis. To select the most distinguishing parameters and correlations between anthropometric and body composition parameters and anti-SARS-CoV-2 IgG titers, factor analysis using the Principal Component Analysis was conducted. RESULTS Sixty-three females (mean age: 46.52 years) who met the inclusion criteria were enrolled. 40 of them (63.50%) participated in the post-booster follow-up. After receiving two doses of the ChAdOx1 vaccine, the study group's anti-SARS-CoV-2 IgG titers were 67.19 ± 77.44 AU/mL (mean ± SD), whereas after receiving a heterologous mRNA booster, the level of anti-SARS-CoV-2 IgG titers was about three-times higher and amounted to 212.64 ± 146.40 AU/mL (mean ± SD). Our data shows that seropositivity, obesity, non-fat-related, and fat-related body composition parameters all had a significant effect on the level of IgG titer after a two-dose vaccination of ChAdOx1. However, only non-fat-related and fat-related body composition parameters had a significant effect on the IgG titer after booster vaccination. CONCLUSION COVID-19 infection before the first dose of vaccination is not related to IgG titer after booster administration. Body composition has a significant effect on the production of anti-SARS-CoV-2 IgG after booster vaccination in females.
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Affiliation(s)
- Marlena Golec
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
| | - Joanna Zembala-John
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
- Department of Medicine and Environmental Epidemiology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland
- Silesian Center for Heart Diseases, Zabrze, Poland
| | - Martyna Fronczek
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
- Department of Pharmacology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland
| | - Adam Konka
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
| | - Aneta Bochenek
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
| | - Karolina Wystyrk
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
| | | | - Marzena Zalewska
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
- Department of Basic Medical Sciences, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, Bytom, Poland
| | - Martyna Chrapiec
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
| | - Sławomir Kasperczyk
- Department of Biochemistry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland
| | - Zenon Brzoza
- Department of Internal Diseases, Allergology, Endocrinology and Gastroenterology, Institute of Medical Sciences, University of Opole, Opole, Poland
| | - Rafał J Bułdak
- Silesian Park of Medical Technology Kardio-Med Silesia, Zabrze, Poland
- Department of Clinical Biochemistry and Laboratory Diagnostics, Institute of Medical Sciences, University of Opole, Opole, Poland
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20
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Chae J, Lee E, Oh SM, Ryu HW, Kim S, Nam JO. Aged black garlic (Allium sativum L.) and aged black elephant garlic (Allium ampeloprasum L.) alleviate obesity and attenuate obesity-induced muscle atrophy in diet-induced obese C57BL/6 mice. Biomed Pharmacother 2023; 163:114810. [PMID: 37163777 DOI: 10.1016/j.biopha.2023.114810] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/28/2023] [Accepted: 04/30/2023] [Indexed: 05/12/2023] Open
Abstract
Garlic (Allium sativum L.) is a primary dietary component worldwide because of its health benefits and use as a traditional medicine. Elephant garlic (Allium ampeloprasum L.), a related species in the same genus, is less intense and sweeter than A. sativum. The object of this study was to investigate the alleviative effects of aged black garlic (ABG) and aged black elephant garlic (ABEG) on obesity and muscle atrophy induced by obesity in high fat diet-induced obese mice. We demonstrated that ABG and ABEG alleviated obesity and muscle atrophy and enhanced myogenic differentiation and myotube hypertrophy, and this effect was mediated by the upregulation of Akt/mTOR/p70S6K signaling. Furthermore, a candidate bioactive compound of ABG and ABEG was suggested in this study through analysis using gas chromatography-mass spectroscopy and ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectroscopy. In conclusion, ABG and ABEG may alleviate obesity and treat obesity-induced muscle atrophy.
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Affiliation(s)
- Jongbeom Chae
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, the Republic of Korea
| | - Eunbi Lee
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, the Republic of Korea
| | - Seon Min Oh
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju-si, Chungcheongbuk-do 28116, the Republic of Korea
| | - Hyung Won Ryu
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju-si, Chungcheongbuk-do 28116, the Republic of Korea
| | - Soorin Kim
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, the Republic of Korea
| | - Ju-Ock Nam
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, the Republic of Korea; Research Institute of Tailored Food Technology, Kyungpook National University, Daegu 41566, the Republic of Korea.
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21
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Park SJ, Sharma A, Lee HJ. Postbiotics against Obesity: Perception and Overview Based on Pre-Clinical and Clinical Studies. Int J Mol Sci 2023; 24:6414. [PMID: 37047387 PMCID: PMC10095054 DOI: 10.3390/ijms24076414] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 03/13/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Overweight and obesity are significant global public health concerns that are increasing in prevalence at an alarming rate. Numerous studies have demonstrated the benefits of probiotics against obesity. Postbiotics are the next generation of probiotics that include bacteria-free extracts and nonviable microorganisms that may be advantageous to the host and are being increasingly preferred over regular probiotics. However, the impact of postbiotics on obesity has not been thoroughly investigated. Therefore, the goal of this review is to gather in-depth data on the ability of postbiotics to combat obesity. Postbiotics have been reported to have significant potential in alleviating obesity. This review comprehensively discusses the anti-obesity effects of postbiotics in cellular, animal, and clinical studies. Postbiotics exert anti-obesity effects via multiple mechanisms, with the major mechanisms including increased energy expenditure, reduced adipogenesis and adipocyte differentiation, suppression of food intake, inhibition of lipid absorption, regulation of lipid metabolism, and regulation of gut dysbiosis. Future research should include further in-depth studies on strain identification, scale-up of postbiotics, identification of underlying mechanisms, and well-defined clinical studies. Postbiotics could be a promising dietary intervention for the prevention and management of obesity.
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Affiliation(s)
- Seon-Joo Park
- Department of Food and Nutrition, College of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea;
- Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam-si 13120, Republic of Korea
| | - Anshul Sharma
- Department of Food and Nutrition, College of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea;
| | - Hae-Jeung Lee
- Department of Food and Nutrition, College of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea;
- Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam-si 13120, Republic of Korea
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Republic of Korea
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22
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Schnittman SR, Jung W, Fitch KV, Zanni MV, McCallum S, Lee JSL, Shin S, Davis BJ, Fulda ES, Diggs MR, Giguel F, Chinchay R, Sheth AN, Fichtenbaum CJ, Malvestutto C, Aberg JA, Currier J, Lauffenburger DA, Douglas PS, Ribaudo HJ, Alter G, Grinspoon SK. Effect of host factors and COVID-19 infection on the humoral immune repertoire in treated HIV. JCI Insight 2023; 8:e166848. [PMID: 36805331 PMCID: PMC10077482 DOI: 10.1172/jci.insight.166848] [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: 11/07/2022] [Accepted: 01/27/2023] [Indexed: 02/22/2023] Open
Abstract
People with HIV (PWH) appear to be at higher risk for suboptimal pathogen responses and for worse COVID-19 outcomes, but the effects of host factors and COVID-19 on the humoral repertoire remain unclear. We assessed the antibody isotype/subclass and Fc-receptor binding Luminex arrays of non-SARS-CoV-2 and SARS-CoV-2 humoral responses among antiretroviral therapy-treated (ART-treated) PWH. Among the entire cohort, COVID-19 infection was associated with higher cytomegalovirus (CMV) responses (vs. the COVID- cohort ), potentially signifying increased susceptibility or a consequence of persistent inflammation. Among the COVID+ participants, (a) higher BMI was associated with a striking amplification of SARS-CoV-2 responses, suggesting exaggerated inflammatory responses, and (b) lower nadir CD4 was associated with higher SARS-CoV-2 IgM and FcγRIIB binding capacity, indicating poorly functioning extrafollicular and inhibitory responses. Among the COVID-19- participants, female sex, older age, and lower nadir CD4 were associated with unique repertoire shifts. In this first comprehensive assessment of the humoral repertoire in a global cohort of PWH, we identify distinct SARS-CoV-2-specific humoral immune profiles among PWH with obesity or lower nadir CD4+ T cell count, underlining plausible mechanisms associated with worse COVID-19-related outcomes in this setting. Host factors associated with the humoral repertoire in the COVID-19- cohort enhance our understanding of these important shifts among PWH.
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Affiliation(s)
- Samuel R. Schnittman
- Division of Infectious Diseases, Department of Medicine, and
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Wonyeong Jung
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
| | - Kathleen V. Fitch
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Markella V. Zanni
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Sara McCallum
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | - Sally Shin
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
| | - Brandon J. Davis
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
| | - Evelynne S. Fulda
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Marissa R. Diggs
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Francoise Giguel
- AIDS Clinical Trials Group Lab 01, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Romina Chinchay
- Houston AIDS Research Team, University of Texas Health Science Center Houston, Houston, Texas, USA
| | - Anandi N. Sheth
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Carl J. Fichtenbaum
- Division of Infectious Diseases, Department of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
| | - Carlos Malvestutto
- Division of Infectious Diseases, Department of Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Judith A. Aberg
- Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Judith Currier
- Division of Infectious Diseases, Department of Medicine, UCLA, Los Angeles, California, USA
| | - Douglas A. Lauffenburger
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Pamela S. Douglas
- Duke Clinical Research Institute, Duke University, Durham, North Carolina, USA
| | | | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
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23
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Anti-Inflammatory, Antioxidant, and WAT/BAT-Conversion Stimulation Induced by Novel PPAR Ligands: Results from Ex Vivo and In Vitro Studies. Pharmaceuticals (Basel) 2023; 16:ph16030346. [PMID: 36986448 PMCID: PMC10056895 DOI: 10.3390/ph16030346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/21/2023] [Accepted: 02/21/2023] [Indexed: 03/02/2023] Open
Abstract
Activation of peroxisome proliferator-activated receptors (PPARs) not only regulates multiple metabolic pathways, but mediates various biological effects related to inflammation and oxidative stress. We investigated the effects of four new PPAR ligands containing a fibrate scaffold—the PPAR agonists (1a (αEC50 1.0 μM) and 1b (γEC50 0.012 μM)) and antagonists (2a (αIC50 6.5 μM) and 2b (αIC50 0.98 μM, with a weak antagonist activity on γ isoform))—on proinflammatory and oxidative stress biomarkers. The PPAR ligands 1a-b and 2a-b (0.1–10 μM) were tested on isolated liver specimens treated with lipopolysaccharide (LPS), and the levels of lactate dehydrogenase (LDH), prostaglandin (PG) E2, and 8-iso-PGF2α were measured. The effects of these compounds on the gene expression of the adipose tissue markers of browning, PPARα, and PPARγ, in white adipocytes, were evaluated as well. We found a significant reduction in LPS-induced LDH, PGE2, and 8-iso-PGF2α levels after 1a treatment. On the other hand, 1b decreased LPS-induced LDH activity. Compared to the control, 1a stimulated uncoupling protein 1 (UCP1), PR-(PRD1-BF1-RIZ1 homologous) domain containing 16 (PRDM16), deiodinase type II (DIO2), and PPARα and PPARγ gene expression, in 3T3-L1 cells. Similarly, 1b increased UCP1, DIO2, and PPARγ gene expression. 2a-b caused a reduction in the gene expression of UCP1, PRDM16, and DIO2 when tested at 10 μM. In addition, 2a-b significantly decreased PPARα gene expression. A significant reduction in PPARγ gene expression was also found after 2b treatment. The novel PPARα agonist 1a might be a promising lead compound and represents a valuable pharmacological tool for further assessment. The PPARγ agonist 1b could play a minor role in the regulation of inflammatory pathways.
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24
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COBL, MKX and MYOC Are Potential Regulators of Brown Adipose Tissue Development Associated with Obesity-Related Metabolic Dysfunction in Children. Int J Mol Sci 2023; 24:ijms24043085. [PMID: 36834493 PMCID: PMC9964948 DOI: 10.3390/ijms24043085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
Obesity is already accompanied by adipose tissue (AT) dysfunction and metabolic disease in children and increases the risk of premature death. Due to its energy-dissipating function, brown AT (BAT) has been discussed as being protective against obesity and related metabolic dysfunction. To analyze the molecular processes associated with BAT development, we investigated genome-wide expression profiles in brown and white subcutaneous and perirenal AT samples of children. We identified 39 upregulated and 26 downregulated genes in uncoupling protein 1 (UCP1)-positive compared to UCP1-negative AT samples. We prioritized for genes that had not been characterized regarding a role in BAT biology before and selected cordon-bleu WH2 repeat protein (COBL), mohawk homeobox (MKX) and myocilin (MYOC) for further functional characterization. The siRNA-mediated knockdown of Cobl and Mkx during brown adipocyte differentiation in vitro resulted in decreased Ucp1 expression, while the inhibition of Myoc led to increased Ucp1 expression. Furthermore, COBL, MKX and MYOC expression in the subcutaneous AT of children is related to obesity and parameters of AT dysfunction and metabolic disease, such as adipocyte size, leptin levels and HOMA-IR. In conclusion, we identify COBL, MKX and MYOC as potential regulators of BAT development and show an association of these genes with early metabolic dysfunction in children.
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25
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Casertano M, Genovese M, Santi A, Pranzini E, Balestri F, Piazza L, Del Corso A, Avunduk S, Imperatore C, Menna M, Paoli P. Evidence of Insulin-Sensitizing and Mimetic Activity of the Sesquiterpene Quinone Avarone, a Protein Tyrosine Phosphatase 1B and Aldose Reductase Dual Targeting Agent from the Marine Sponge Dysidea avara. Pharmaceutics 2023; 15:pharmaceutics15020528. [PMID: 36839851 PMCID: PMC9964544 DOI: 10.3390/pharmaceutics15020528] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/18/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a complex disease characterized by impaired glucose homeostasis and serious long-term complications. First-line therapeutic options for T2DM treatment are monodrug therapies, often replaced by multidrug therapies to ensure that non-responding patients maintain target glycemia levels. The use of multitarget drugs instead of mono- or multidrug therapies has been emerging as a main strategy to treat multifactorial diseases, including T2DM. Therefore, modern drug discovery in its early stages aims to identify potential modulators for multiple targets; for this purpose, exploration of the chemical space of natural products represents a powerful tool. Our study demonstrates that avarone, a sesquiterpene quinone obtained from the sponge Dysidea avara, is capable of inhibiting in vitro PTP1B, the main negative regulator of the insulin receptor, while it improves insulin sensitivity, and mitochondria activity in C2C12 cells. We observe that when avarone is administered alone, it acts as an insulin-mimetic agent. In addition, we show that avarone acts as a tight binding inhibitor of aldose reductase (AKR1B1), the enzyme involved in the development of diabetic complications. Overall, avarone could be proposed as a novel natural hit to be developed as a multitarget drug for diabetes and its pathological complications.
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Affiliation(s)
- Marcello Casertano
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy
| | - Massimo Genovese
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Alice Santi
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Erica Pranzini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Francesco Balestri
- Biochemistry Unit, Department of Biology, University of Pisa, Via S. Zeno 51, 56123 Pisa, Italy
- Interdepartmental Research Center for Marine Pharmacology, Via Bonanno 6, 56126 Pisa, Italy
| | - Lucia Piazza
- Biochemistry Unit, Department of Biology, University of Pisa, Via S. Zeno 51, 56123 Pisa, Italy
| | - Antonella Del Corso
- Biochemistry Unit, Department of Biology, University of Pisa, Via S. Zeno 51, 56123 Pisa, Italy
- Interdepartmental Research Center for Marine Pharmacology, Via Bonanno 6, 56126 Pisa, Italy
| | - Sibel Avunduk
- Medical Laboratory Programme, Vocational School of Health Care, Mugla University, Marmaris 48187, Turkey
| | - Concetta Imperatore
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy
| | - Marialuisa Menna
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy
- Correspondence: (M.M.); (P.P.); Tel.: +39-081678518 (M.M.); +39-0552751248 (P.P.)
| | - Paolo Paoli
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
- Correspondence: (M.M.); (P.P.); Tel.: +39-081678518 (M.M.); +39-0552751248 (P.P.)
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26
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Yari Z, Nikooyeh B, Neyestani TR. Circulating 25-hydroxyvitamin D is associated with metabolic phenotypes of obesity: National Food and Nutrition Surveillance. Nutr Res 2023; 110:14-22. [PMID: 36640580 DOI: 10.1016/j.nutres.2022.12.006] [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: 07/22/2022] [Revised: 12/15/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Different phenotypes of obesity are each related with different complications and comorbidities. We hypothesized that suboptimal vitamin D status is directly associated with an unhealthy metabolic status, especially if allied with obesity. This cross-sectional study was performed in the framework of the National Food and Nutrition Surveillance. Overall, 1098 men and women participated in this study. In addition to height and weight, serum concentrations of 25-hydroxyvitamin D (25(OH)D) and glycemic and lipidemic status were evaluated. Then participants were classified into 4 groups based on body mass index and lipidemic and glycemic profile status, as follows: hyperglycemic-dyslipidemic obese (HDO), hyperglycemic-dyslipidemic nonobese (HDNO), normoglycemic-normolipidemic obese (NNO), and normoglycemic-normolipidemic nonobese (NNNO). In this study, 31.6% of participants were classified as HDO, 7.5% as HDNO, 34.5% as NNO, and 26.4% as NNNO. The frequency of suboptimal vitamin D status was more prevalent in HDO (81.8%) than in other phenotypes (HDNO, 80%; NNO, 77.6%; NNNO, 73.8%; P = .015). In the multivariate model, suboptimal vitamin D status significantly increased the odds of being NNO (odds ratio [OR], 1.28; 95% CI, 0.84-1.95), HDNO (OR, 1.48; 95% CI, 0.77-2.83), and HDO (OR, 1.73; 95% CI, 1.11-2.7) compared with the NNNO group. Likewise, in multivariate model, per each unit (ng/mL) increment in 25(OH)D concentration, the odds of HDNO and HDO decreased significantly by 4% (OR, 0.96; 95% CI, 0.94-0.98) and 7% (OR, 0.93; 95% CI, 0.92-0.95), respectively. The results of the study showed a significant relationship between serum 25(OH)D concentrations and metabolic obesity phenotypes; these data confirm the association between suboptimal vitamin D status and metabolic complications, especially in obese individuals.
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Affiliation(s)
- Zahra Yari
- Department of Nutrition Research, National Nutrition and Food Technology Research Institute and Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bahareh Nikooyeh
- Department of Nutrition Research, National Nutrition and Food Technology Research Institute and Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tirang R Neyestani
- Department of Nutrition Research, National Nutrition and Food Technology Research Institute and Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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27
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Navarro-Masip È, Caron A, Mulero M, Arola L, Aragonès G. Photoperiodic Remodeling of Adiposity and Energy Metabolism in Non-Human Mammals. Int J Mol Sci 2023; 24:ijms24021008. [PMID: 36674520 PMCID: PMC9865556 DOI: 10.3390/ijms24021008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/01/2023] [Accepted: 01/02/2023] [Indexed: 01/07/2023] Open
Abstract
Energy homeostasis and metabolism in mammals are strongly influenced by seasonal changes. Variations in photoperiod patterns drive adaptations in body weight and adiposity, reflecting changes in the regulation of food intake and energy expenditure. Humans also show distinct patterns of energy balance depending on the season, being more susceptible to gaining weight during a specific time of the year. Changes in body weight are mainly reflected by the adipose tissue, which is a key metabolic tissue and is highly affected by circannual rhythms. Mostly, in summer-like (long-active) photoperiod, adipocytes adopt a rather anabolic profile, more predisposed to store energy, while food intake increases and energy expenditure is reduced. These metabolic adaptations involve molecular modifications, some of which have been studied during the last years and are summarized in this review. In addition, there is a bidirectional relation between obesity and the seasonal responses, with obesity disrupting some of the seasonal responses observed in healthy mammals, and altered seasonality being highly associated with increased risk of developing obesity. This suggests that changes in photoperiod produce important metabolic alterations in healthy organisms. Biological rhythms impact the regulation of metabolism to different extents, some of which are already known, but further research is needed to fully understand the relationship between energy balance and seasonality.
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Affiliation(s)
- Èlia Navarro-Masip
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, 43007 Tarragona, Spain
| | - Alexandre Caron
- Faculty of Pharmacy, Université Laval, Québec City, QC G1V 0A6, Canada
| | - Miquel Mulero
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, 43007 Tarragona, Spain
| | - Lluís Arola
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, 43007 Tarragona, Spain
| | - Gerard Aragonès
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, 43007 Tarragona, Spain
- Correspondence:
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Presence and localization of apelin and its cognate receptor in canine testes using immunohistochemical and RT-PCR techniques. Vet Res Commun 2022; 47:929-935. [PMID: 36331787 DOI: 10.1007/s11259-022-10001-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 09/10/2022] [Indexed: 11/06/2022]
Abstract
Apelin, a member of the adipokine family, is a novel endogenous peptide which regulates the male reproductive system of mammals by interacting with a specific receptor. Recent studies have highlighted that apelin may play a role in the regulation of reproduction by reducing testosterone production and inhibiting LH secretion. To the best of our knowledge, there is no available data on the presence of the apelin and its receptor in canine testes. Therefore, the aim of this study was to reveal the presence of apelin and evaluate its distribution in the canine testes using immunohistochemical and RT-PCR techniques. For this purpose, five fertile and healthy male dogs were subjected to elective orchiectomy. The immunohistochemical reaction revealed the presence of apelin and its receptor in the canine testes. Apelin was localized in spermatids and spermatozoa with a positive signal in the "acrosomal bodies". As regards the apelin receptor, a positive immunoreaction was detected in the cytoplasm of the cells localized near to the basal membrane of the seminiferous tubules and in the cytoplasm of Leydig cells. The RT-PCR analysis showed the presence of transcripts for apelin and apelin receptor in all of the samples under study. A 35kDa band confirmed apelin receptor protein expression in all of the samples analysed. In conclusion, the paracrine and endocrine role of apelin and its cognate receptor on male reproduction reported in humans and laboratory animals could also be hypothesized in dogs.
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Chang YH, Chang SW, Hsu WT, Yang CP, Lo YL, Chen CJ, Tsai HF, Shiau MY. Implication of Adipogenesis-Coupled CRMP2 Functional Profile in Metabolic Homeostasis and Imbalance. Biomedicines 2022; 10:biomedicines10102603. [PMID: 36289868 PMCID: PMC9599587 DOI: 10.3390/biomedicines10102603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/16/2022] Open
Abstract
Our previous studies demonstrated that collapsin response mediator protein 2 (CRMP2) is associated with obesity and, in addition, that hyperglycemia-suppressed CRMP2 augments malignant traits of colorectal cancer and is associated with advanced tumor stage. Regulation of CRMP2 profile was further explored in this study using 3T3-L1 pre-adipocyte adipogenesis as a study model for illustrating the roles of CRMP2 in metabolic homeostasis. Hyperglycemia inhibited expression of CRMP2, adipogenic machinery and adipocyte markers. CRMP2 displayed f-CRMP2 (62~66 kDa) and s-CMRP2 (58 kDa) isoforms at the growth arrest phase. Expression of s-CRMP2 was coupled with the mitotic clonal expansion (MCE) phase to direct cell proliferation and rapidly down-regulated in post-mitotic cells. In the late differentiation phase, f-CRMP2 was co-localized with tubulin in the cortical area. Insulin-enhanced CRMP2-glucose transporter 4 (GLUT4) co-localization and CRMP2 puncta on lipid droplets (LDs) suggested participation of CRMP2 in GLUT4 translocation and LD fusion. Collectively, the CRMP2 functional profile must be finely controlled to adjust cytoskeletal stability for meeting dynamic cellular needs. Manipulating the s-CRMP2/f-CRMP2 ratio and thus the cytoskeleton dynamics is anticipated to improve glucose uptake and insulin sensitivity. In summary, our data provide molecular evidence explaining the functions of CRMP2 in physiological, pathological and disease progression in metabolic homeostasis and disorders related to metabolic abnormalities, including cancer.
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Affiliation(s)
- Yih-Hsin Chang
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Shu-Wen Chang
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Department of Nursing, College of Nursing, Hungkuang University, Taichung 433, Taiwan
| | - Wei-Ting Hsu
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Ching-Ping Yang
- Department of Medical Technology, Jenteh Junior College of Medicine, Nursing and Management, Miaoli 356, Taiwan
| | - Yu-Li Lo
- Department and Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Chun-Jung Chen
- Department of Medical Research, Taichung Veterans General Hospital, Taichung 407, Taiwan
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung 404, Taiwan
| | - Hui-Fang Tsai
- Department of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung 402, Taiwan
- Clinical Laboratory, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Ming-Yuh Shiau
- Department of Nursing, College of Nursing, Hungkuang University, Taichung 433, Taiwan
- Correspondence: ; Tel.: +886-4-26318652 (ext. 7090); Fax: +886-4-26331198
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Association between duplex ultrasonography findings and severity of chronic venous disease in Thai patients. Asian J Surg 2022:S1015-9584(22)01437-3. [DOI: 10.1016/j.asjsur.2022.09.161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/21/2022] [Accepted: 09/26/2022] [Indexed: 11/20/2022] Open
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31
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Liang Z, Zhang T, Liu H, Li Z, Peng L, Wang C, Wang T. Inflammaging: The ground for sarcopenia? Exp Gerontol 2022; 168:111931. [PMID: 35985553 DOI: 10.1016/j.exger.2022.111931] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/02/2022] [Accepted: 08/14/2022] [Indexed: 12/15/2022]
Abstract
Sarcopenia is a progressive skeletal muscle disease that occurs most commonly in the elderly population, contributing to increased costs and hospitalization. Exercise and nutritional therapy have been proven to be effective for sarcopenia, and some drugs can also alleviate declines in muscle mass and function due to sarcopenia. However, there is no specific pharmacological treatment for sarcopenia at present. This review will mainly discuss the relationship between inflammaging and sarcopenia. The increased secretion of proinflammatory cytokines with aging may be because of cellular senescence, immunosenescence, alterations in adipose tissue, damage-associated molecular patterns (DAMPs), and gut microbes due to aging. These sources of inflammaging can impact the sarcopenia process through direct or indirect pathways. Conversely, sarcopenia can also aggravate the process of inflammaging, creating a vicious cycle. Targeting sources of inflammaging can influence muscle function, which could be considered a therapeutic target for sarcopenia. Moreover, not only proinflammatory cytokines but also anti-inflammatory cytokines can influence muscle and inflammation and participate in the progression of sarcopenia. This review focuses on the effects of TNF-α, IL-6, and IL-10, which can be detected in plasma. Therefore, clearing chronic inflammation by targeting proinflammatory cytokines (TNF-α, IL-1, IL-6) and the inflammatory pathway (JAK/STAT, autophagy, NF-κB) may be effective in treating sarcopenia.
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Affiliation(s)
- Zejun Liang
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Tianxiao Zhang
- School of Healthcare Sciences, Cardiff University, Health Park, CF14 4XN Wales, UK
| | - Honghong Liu
- West China School of Nursing/West China Hospital, Sichuan University, NO.37 Alley, Chengdu 610041, Sichuan, PR China
| | - Zhenlin Li
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Lihong Peng
- Department of Rehabilitation Medicine, West China Second University Hospital, Sichuan University, PR China
| | - Changyi Wang
- Department of Rehabilitation Medicine, Key Laboratory of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China; Institute of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Tiantian Wang
- Department of Rehabilitation Medicine, Key Laboratory of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China; Institute of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China.
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32
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Ji Y, Xie Q, Meng X, Wang W, Li S, Lang X, Zhao C, Yuan Y, Ye H. Lactobacillus paracasei improves dietary fatty liver by reducing insulin resistance and inflammation in obese mice model. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Wang X, Dong J, Liang W, Fang Y, Liang M, Xu L, Sun W, Li X. Porphyran From Porphyra haitanensis Alleviates Obesity by Reducing Lipid Accumulation and Modulating gut Microbiota Homeostasis. Front Pharmacol 2022; 13:942143. [PMID: 35959436 PMCID: PMC9358004 DOI: 10.3389/fphar.2022.942143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 06/16/2022] [Indexed: 11/13/2022] Open
Abstract
Porphyran possesses various activities, while the effects of the porphyran from Porphyra haitanensis (PPH) on obesity are rarely reported. In this study, C57BL/6J male mice were fed with HFD combined with PPH gavage (50 mg/kg/d) for 16 weeks, and body weight was measured once a week. After that, serum, adipose, and liver tissues were collected for physiological and biochemical analyses. Our research indicated that PPH treatment alleviated obesity in HFD-fed mice. PPH alleviated fat accumulation in serum, liver, and adipose tissues. In addition, PPH activated the AMPK-HSL/ACC pathway in epididymal adipose tissue to reduce lipid accumulation. Moreover, PPH turned white adipose into brown and activated the PGC 1α-UCP 1-mitochondrial pathway in scapular adipose tissue to generate more heat. Interestingly, PPH regulated colonic microbiota homeostasis in obese mice, including significant elevation of Roseburia and Eubacterium and marked reduction of Helicobacter. Moreover, Spearman’s correlation analysis demonstrated that regulation of gut microbiota can decrease lipid accumulation. In summary, our study illustrated that PPH possesses the potential to be developed as an anti-obesity agent.
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Affiliation(s)
- Xueliang Wang
- Department of Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Juqin Dong
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Wei Liang
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yi Fang
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Meinong Liang
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Lixia Xu
- Department of Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wuyang Sun
- School of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan, China
- *Correspondence: Wuyang Sun, ; Xiaoxing Li,
| | - Xiaoxing Li
- Department of Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
- *Correspondence: Wuyang Sun, ; Xiaoxing Li,
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34
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Nedunchezhiyan U, Varughese I, Sun AR, Wu X, Crawford R, Prasadam I. Obesity, Inflammation, and Immune System in Osteoarthritis. Front Immunol 2022; 13:907750. [PMID: 35860250 PMCID: PMC9289681 DOI: 10.3389/fimmu.2022.907750] [Citation(s) in RCA: 106] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/10/2022] [Indexed: 12/12/2022] Open
Abstract
Obesity remains the most important risk factor for the incidence and progression of osteoarthritis (OA). The leading cause of OA was believed to be overloading the joints due to excess weight which in turn leads to the destruction of articular cartilage. However, recent studies have proved otherwise, various other factors like adipose deposition, insulin resistance, and especially the improper coordination of innate and adaptive immune responses may lead to the initiation and progression of obesity-associated OA. It is becoming increasingly evident that multiple inflammatory cells are recruited into the synovial joint that serves an important role in pathological changes in the synovial joint. Polarization of macrophages and macrophage-produced mediators are extensively studied and linked to the inflammatory and destructive responses in the OA synovium and cartilage. However, the role of other major innate immune cells such as neutrophils, eosinophils, and dendritic cells in the pathogenesis of OA has not been fully evaluated. Although cells of the adaptive immune system contribute to the pathogenesis of obesity-induced OA is still under exploration, a quantity of literature indicates OA synovium has an enriched population of T cells and B cells compared with healthy control. The interplay between a variety of immune cells and other cells that reside in the articular joints may constitute a vicious cycle, leading to pathological changes of the articular joint in obese individuals. This review addresses obesity and the role of all the immune cells that are involved in OA and summarised animal studies and human trials and knowledge gaps between the studies have been highlighted. The review also touches base on the interventions currently in clinical trials, different stages of the testing, and their shortcomings are also discussed to understand the future direction which could help in understanding the multifactorial aspects of OA where inflammation has a significant function.
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Affiliation(s)
- Udhaya Nedunchezhiyan
- Centre for Biomedical Technologies, Faculty of Engineering, Queensland University of Technology, Brisbane, QLD, Australia
| | - Ibin Varughese
- Centre for Biomedical Technologies, Faculty of Engineering, Queensland University of Technology, Brisbane, QLD, Australia
| | - Antonia RuJia Sun
- Centre for Biomedical Technologies, Faculty of Engineering, Queensland University of Technology, Brisbane, QLD, Australia
| | - Xiaoxin Wu
- Centre for Biomedical Technologies, Faculty of Engineering, Queensland University of Technology, Brisbane, QLD, Australia
- Department of Orthopedic Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ross Crawford
- Orthopedic Department, The Prince Charles Hospital, Brisbane, QLD, Australia
| | - Indira Prasadam
- Centre for Biomedical Technologies, Faculty of Engineering, Queensland University of Technology, Brisbane, QLD, Australia
- *Correspondence: Indira Prasadam,
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35
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Labusca L. Adipose tissue in bone regeneration - stem cell source and beyond. World J Stem Cells 2022; 14:372-392. [PMID: 35949397 PMCID: PMC9244952 DOI: 10.4252/wjsc.v14.i6.372] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 08/30/2021] [Accepted: 05/28/2022] [Indexed: 02/06/2023] Open
Abstract
Adipose tissue (AT) is recognized as a complex organ involved in major home-ostatic body functions, such as food intake, energy balance, immunomodulation, development and growth, and functioning of the reproductive organs. The role of AT in tissue and organ homeostasis, repair and regeneration is increasingly recognized. Different AT compartments (white AT, brown AT and bone marrow AT) and their interrelation with bone metabolism will be presented. AT-derived stem cell populations - adipose-derived mesenchymal stem cells and pluripotent-like stem cells. Multilineage differentiating stress-enduring and dedifferentiated fat cells can be obtained in relatively high quantities compared to other sources. Their role in different strategies of bone and fracture healing tissue engineering and cell therapy will be described. The current use of AT- or AT-derived stem cell populations for fracture healing and bone regenerative strategies will be presented, as well as major challenges in furthering bone regenerative strategies to clinical settings.
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Affiliation(s)
- Luminita Labusca
- Magnetic Materials and Sensors, National Institute of Research and Development for Technical Physics, Iasi 700050, Romania
- Orthopedics and Traumatology, County Emergency Hospital Saint Spiridon Iasi, Iasi 700050, Romania
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36
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Akça İİ, Bodur A, Kahraman C, Abidin İ, Aydın-Abidin S, Alver A. The regulation of adipokines related to obesity and diabetes is sensitive to BDNF levels and adipose tissue location. Hormones (Athens) 2022; 21:295-303. [PMID: 35298831 DOI: 10.1007/s42000-022-00364-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 03/09/2022] [Indexed: 11/04/2022]
Abstract
PURPOSE The role of BDNF in adipose tissue metabolism is poorly understood. We investigated the effects of decreased levels of BDNF on the expression of major adipokines in different fat depots (e.g., subcutaneous and epididymal) of mouse groups fed three different diet protocols. METHODS BDNF heterozygous (+ / -) mice were used to evaluate the effect of reduced BDNF levels. Six groups of C57BL/6 J breed wild type (WT) and BDNF (+ / -) mice were formed. These groups were fed, respectively, a control diet (CD), a high-fat diet (HFD), and a high-sucrose diet (HSD) for 4 months. Serum samples and adipose tissues were used for biochemical assays. The serum concentrations and tissue expression levels of leptin, adiponectin, and resistin were measured. RESULTS Compared to the CD-fed WT group (control group), serum leptin and leptin expression levels were found to be higher in all experimental groups. Serum adiponectin levels were lower in the BDNF (+ / -) groups and HFD-fed WT group than in the control group. Epididymal adiponectin expression was found to be lower in the HFD-fed BDNF (+ / -) group and higher in HSD-fed groups than in the control group. Compared to the control group, adiponectin expression increased in the WT groups in subcutaneous adipose tissue. Serum resistin levels were elevated in the HFD-fed groups. Resistin expression in epididymal adipose tissue was lower in the CD-fed and HFD-fed groups than in the control group. CONCLUSIONS BDNF levels and diet differentially affect the expression of adipokines in different fat tissues in the body. BDNF may play a protective role in obesity and diabetes.
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Affiliation(s)
- İmran İnce Akça
- Department of Medical Biochemistry, Faculty of Medicine, Tokat Gaziosmanpasa University, 60100, Tokat, Turkey.
| | - Akın Bodur
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Rumeli University, İstanbul, Turkey
| | - Cemil Kahraman
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Düzce University, Düzce, Turkey
| | - İsmail Abidin
- Department of Biophysics, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Selcen Aydın-Abidin
- Department of Biophysics, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Ahmet Alver
- Department of Medical Biochemistry, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey
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Ardizzone A, Lanza M, Casili G, Campolo M, Paterniti I, Cuzzocrea S, Esposito E. Efficacy of a Novel Therapeutic, Based on Natural Ingredients and Probiotics, in a Murine Model of Multiple Food Intolerance and Maldigestion. Nutrients 2022; 14:nu14112251. [PMID: 35684051 PMCID: PMC9182885 DOI: 10.3390/nu14112251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/24/2022] [Accepted: 05/26/2022] [Indexed: 02/07/2023] Open
Abstract
Patients with hypersensitive gut mucosa often suffer from food intolerances (FIs) associated with an inadequate gastrointestinal function that affects 15-20% of the population. Current treatments involve elimination diets, but require careful control, are difficult to maintain long-term, and diagnosis remains challenging. This study aims to evaluate the beneficial effects of a novel therapeutic of natural (NTN) origin containing food-grade polysaccharides, proteins, and grape seed extract to restore intestinal function in a murine model of fructose, carbohydrate, and fat intolerances. All experiments were conducted in four-week-old male CD1 mice. To induce FIs, mice were fed with either a high-carbohydrate diet (HCD), high-fat diet (HFD), or high-fructose diet (HFrD), respectively. After two weeks of treatment, several parameters and endpoints were evaluated such as food and water intake, body weight, histological score in several organs, gut permeability, intestinal epithelial integrity, and biochemical endpoints. Our results demonstrated that the therapeutic agent significantly restored gut barrier integrity and permeability compromised by every FIs induction. Restoration of intestinal function by NTN treatment has consequently improved tissue damage in several functional organs involved in the diagnostic of each intolerance such as the pancreas for HCD and liver for HFD and HFrD. Taken together, our results support NTN as a promising natural option in the non-pharmacological strategy for the recovery of intestinal dysregulation, supporting the well-being of the gastrointestinal tract.
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38
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Kahraman C, Rendi TA, Sağlam N, Akça İİ, Abidin İ, Alver A. Reciprocal Effects of Adipose Tissue Denervation and High Fat Diet on Serum Metabolic Parameters and Adipokine Levels in Rats: A Long Term Study. J EVOL BIOCHEM PHYS+ 2022. [DOI: 10.1134/s0022093022020090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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39
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Kim HS, Park MY, Yun NJ, Go HS, Kim MY, Seong JK, Lee M, Kang ES, Ghim J, Ryu SH, Zabel BA, Koh A, Bae YS. Targeting PLD2 in adipocytes augments adaptive thermogenesis by improving mitochondrial quality and quantity in mice. J Exp Med 2022; 219:212939. [PMID: 34940790 PMCID: PMC8711045 DOI: 10.1084/jem.20211523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 11/18/2021] [Accepted: 12/08/2021] [Indexed: 12/14/2022] Open
Abstract
Phospholipase D (PLD)2 via its enzymatic activity regulates cell proliferation and migration and thus is implicated in cancer. However, the role of PLD2 in obesity and type 2 diabetes has not previously been investigated. Here, we show that during diet-induced thermogenesis and obesity, levels of PLD2 but not PLD1 in adipose tissue are inversely related with uncoupling protein 1, a key thermogenic protein. We demonstrate that the thermogenic program in adipose tissue is significantly augmented in mice with adipocyte-specific Pld2 deletion or treated with a PLD2-specific inhibitor and that these mice are resistant to high fat diet–induced obesity, glucose intolerance, and insulin resistance. Mechanistically, we show that Pld2 deletion in adipose tissue or PLD2 pharmacoinhibition acts via p62 to improve mitochondrial quality and quantity in adipocytes. Thus, PLD2 inhibition is an attractive therapeutic approach for obesity and type 2 diabetes by resolving defects in diet-induced thermogenesis.
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Affiliation(s)
- Hyung Sik Kim
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | - Min Young Park
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | - Nam Joo Yun
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
| | - Hye Sun Go
- Laboratory of Developmental Biology and Genomics, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea.,Korea Mouse Phenotyping Center, Seoul National University, Seoul, Republic of Korea
| | - Mi Young Kim
- Laboratory of Developmental Biology and Genomics, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea.,Korea Mouse Phenotyping Center, Seoul National University, Seoul, Republic of Korea
| | - Je Kyung Seong
- Laboratory of Developmental Biology and Genomics, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea.,Korea Mouse Phenotyping Center, Seoul National University, Seoul, Republic of Korea
| | - Minyoung Lee
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Eun Seok Kang
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jaewang Ghim
- Department of Life Science, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Sung Ho Ryu
- Department of Life Science, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Brian A Zabel
- Palo Alto Veterans Institute for Research, Veterans Affairs Hospital, Palo Alto, CA
| | - Ara Koh
- Department of Life Science, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Yoe-Sik Bae
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Republic of Korea
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40
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Lucijanic M, Huzjan Korunic R, Sedinic M, Kovacevic S, Atic A, Pejsa V, Kusec R. Baseline and progressive adipopenia in newly diagnosed patients with diffuse large B-cell lymphoma with unfavorable features are associated with worse clinical outcomes. Leuk Lymphoma 2022; 63:1556-1565. [PMID: 35105266 DOI: 10.1080/10428194.2022.2034160] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
We retrospectively analyzed perirenal and subcutaneous fat thickness and their dynamics from baseline to end-of-treatment computerized-tomography scans in a cohort of 118 newly diagnosed diffuse large B-cell lymphoma (DLBCL) patients with unfavorable features treated with R-DA-EPOCH regimen. Higher revised-international-prognostic-index (R-IPI) score was significantly associated with higher baseline perirenal and lower subcutaneous fat thickness. Up to 51% patients experienced perirenal and 40% subcutaneous fat-tissue loss during immunochemotherapy period. R-DA-EPOCH feasibility, toxicity and obtained response to therapy did not significantly differ regarding baseline perirenal and subcutaneous fat measurements whereas higher number of febrile-neutropenia cycles was associated with more pronounced subcutaneous fat loss. In multivariate-analyses subcutaneous fat loss of ≥6% (hazard-ratio (HR) =4.58, p < 0.001) and achieving response to therapy (HR = 0.03, p < 0.001) predicted overall-survival, and baseline subcutaneous fat thickness ≤24 mm (HR = 3.14, p = 0.023), baseline minimal perirenal fat thickness ≤8 mm (HR = 2.44, p = 0.042) and achieving response to therapy (HR = 0.04, p < 0.001) predicted progression-free-survival independently of each other.
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Affiliation(s)
- Marko Lucijanic
- Department of Hematology, University Hospital Dubrava, Zagreb, Croatia.,School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Renata Huzjan Korunic
- School of Medicine, University of Zagreb, Zagreb, Croatia.,Department of Diagnostic and Interventional Radiology, Dubrava University Hospital, Zagreb, Croatia
| | - Martina Sedinic
- Department of Hematology, University Hospital Dubrava, Zagreb, Croatia
| | - Stjepan Kovacevic
- Department of Internal Medicine, General Hospital Slavonski Brod, Slavonski Brod, Croatia
| | - Armin Atic
- Department of Emergency Medicine, University Hospital Dubrava, Zagreb, Croatia
| | - Vlatko Pejsa
- Department of Hematology, University Hospital Dubrava, Zagreb, Croatia.,School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Rajko Kusec
- Department of Hematology, University Hospital Dubrava, Zagreb, Croatia.,School of Medicine, University of Zagreb, Zagreb, Croatia
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Abstract
Leptin is a hormone primarily produced by the adipose tissue in proportion to the size of fat stores, with a primary function in the control of lipid reserves. Besides adipose tissue, leptin is also produced by other tissues, such as the stomach, placenta, and mammary gland. Altogether, leptin exerts a broad spectrum of short, medium, and long-term regulatory actions at the central and peripheral levels, including metabolic programming effects that condition the proper development and function of the adipose organ, which are relevant for its main role in energy homeostasis. Comprehending how leptin regulates adipose tissue may provide important clues to understand the pathophysiology of obesity and related diseases, such as type 2 diabetes, as well as its prevention and treatment. This review focuses on the physiological and long-lasting regulatory effects of leptin on adipose tissue, the mechanisms and pathways involved, its main outcomes on whole-body physiological homeostasis, and its consequences on chronic diseases.
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Affiliation(s)
- Catalina Picó
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands. CIBER de Fisiopatología de La Obesidad Y Nutrición (CIBEROBN). Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Mariona Palou
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands. CIBER de Fisiopatología de La Obesidad Y Nutrición (CIBEROBN). Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Catalina Amadora Pomar
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands. CIBER de Fisiopatología de La Obesidad Y Nutrición (CIBEROBN). Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Ana María Rodríguez
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands. CIBER de Fisiopatología de La Obesidad Y Nutrición (CIBEROBN). Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain.
| | - Andreu Palou
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands. CIBER de Fisiopatología de La Obesidad Y Nutrición (CIBEROBN). Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
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Jiang Z, Yin X, Wang M, Chen T, Wang Y, Gao Z, Wang Z. Effects of Ketogenic Diet on Neuroinflammation in Neurodegenerative Diseases. Aging Dis 2022; 13:1146-1165. [PMID: 35855338 PMCID: PMC9286903 DOI: 10.14336/ad.2021.1217] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 12/17/2021] [Indexed: 11/01/2022] Open
Affiliation(s)
| | | | | | | | | | - Zhongbao Gao
- Correspondence should be addressed to: Dr. Zhenfu Wang () and Dr. Zhongbao Gao (), The Second Medical Center & National Clinical Research Center for Geriatric Disease, Chinese PLA General Hospital, Beijing 100853, China
| | - Zhenfu Wang
- Correspondence should be addressed to: Dr. Zhenfu Wang () and Dr. Zhongbao Gao (), The Second Medical Center & National Clinical Research Center for Geriatric Disease, Chinese PLA General Hospital, Beijing 100853, China
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Li S, Zhou L, Zhang Q, Yu M, Xiao X. Genistein improves glucose metabolism and promotes adipose tissue browning through modulating gut microbiota in mice. Food Funct 2022; 13:11715-11732. [DOI: 10.1039/d2fo01973f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Genistein improves glucose metabolism and promotes adipose tissue browning through modulating gut microbiota in mice.
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Affiliation(s)
- Shunhua Li
- Key Laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Liyuan Zhou
- Key Laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Qian Zhang
- Key Laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Miao Yu
- Key Laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xinhua Xiao
- Key Laboratory of Endocrinology, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
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Pandeya PR, Lamichhane R, Lamichhane G, Lee KH, Lee HK, Rhee SJ, Jung HJ. 18KHT01, a Potent Anti-Obesity Polyherbal Formulation. Front Pharmacol 2021; 12:807081. [PMID: 34975503 PMCID: PMC8719591 DOI: 10.3389/fphar.2021.807081] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 12/02/2021] [Indexed: 01/11/2023] Open
Abstract
Obesity is a life-threatening metabolic disorder necessitating urgent development of safe and effective therapy. Currently, limited such therapeutic measures are available for obesity. The present study was designed to develop a novel, safe and effective herbal therapy for the management of obesity. A polyherbal formulation (18KHT01) was developed by homogeneously mixing a specific proportion of crude Quercus acutissima (acorn jelly powder), Camellia sinensis (dry leaf buds), and Geranium thunbergii (dry aerial part) along with Citrus limon (fruit juice). Synergistic antioxidant, antiadipogenic, and anti-obesity activities were evaluated by in vitro as well as in vivo studies. In vitro experiments revealed strong synergistic antioxidant and anti-adipogenic activities of 18KHT01. Molecular assessment of 18KHT01 showed significant down-regulation of vital adipogenic factors such as PPARγ, C/EBPα, aP2, SREBP-1c, FAS, and LPL. Based on the results of the preliminary toxicity study, 75 and 150 mg/kg, twice daily doses of 18KHT01 were administered to evaluate anti-obesity activity in diet-induced obese (DIO) C57BL/6J mice model. The major obesity-related parameters such as body weight, weight gain, food efficiency ratio, as well as serum lipid profile were significantly reduced by 18KHT01 with potential synergism. Also, the high-fat diet-induced insulin resistance was suggestively alleviated by the formulation, and thus ameliorated fasting blood glucose. Histological evaluation of liver and white adipose tissue revealed that the significant reduction of fat depositions and thus reduction of these tissue weights. Synergy evaluation experiments exhibited that the 18KHT01 offered strong synergism by improving efficacy and reducing the toxicity of its ingredients. Overall results evidenced the 18KHT01 as a safe and potent anti-obesity herbal therapy.
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Affiliation(s)
- Prakash Raj Pandeya
- Department of Oriental Pharmacy and Wonkwang-Oriental Medicines Research Institute, Wonkwang University, Iksan, South Korea
- Bio-Safety Research Institute, Jeonbuk National University, Iksan, South Korea
| | - Ramakanta Lamichhane
- Department of Oriental Pharmacy and Wonkwang-Oriental Medicines Research Institute, Wonkwang University, Iksan, South Korea
| | - Gopal Lamichhane
- Department of Oriental Pharmacy and Wonkwang-Oriental Medicines Research Institute, Wonkwang University, Iksan, South Korea
| | - Kyung-Hee Lee
- Department of Oriental Pharmacy and Wonkwang-Oriental Medicines Research Institute, Wonkwang University, Iksan, South Korea
| | - Hyeong Kyu Lee
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, South Korea
| | - Su-jin Rhee
- Department of Pharmacy, Wonkwang University, Iksan, South Korea
| | - Hyun-Ju Jung
- Department of Oriental Pharmacy and Wonkwang-Oriental Medicines Research Institute, Wonkwang University, Iksan, South Korea
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45
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Cabrera-Reyes F, Parra-Ruiz C, Yuseff MI, Zanlungo S. Alterations in Lysosome Homeostasis in Lipid-Related Disorders: Impact on Metabolic Tissues and Immune Cells. Front Cell Dev Biol 2021; 9:790568. [PMID: 34957117 PMCID: PMC8703004 DOI: 10.3389/fcell.2021.790568] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/22/2021] [Indexed: 12/16/2022] Open
Abstract
Lipid-related disorders, which primarily affect metabolic tissues, including adipose tissue and the liver are associated with alterations in lysosome homeostasis. Obesity is one of the more prevalent diseases, which results in energy imbalance within metabolic tissues and lysosome dysfunction. Less frequent diseases include Niemann-Pick type C (NPC) and Gaucher diseases, both of which are known as Lysosomal Storage Diseases (LSDs), where lysosomal dysfunction within metabolic tissues remains to be fully characterized. Adipocytes and hepatocytes share common pathways involved in the lysosome-autophagic axis, which are regulated by the function of cathepsins and CD36, an immuno-metabolic receptor and display alterations in lipid diseases, and thereby impacting metabolic functions. In addition to intrinsic defects observed in metabolic tissues, cells of the immune system, such as B cells can infiltrate adipose and liver tissues, during metabolic imbalance favoring inflammation. Moreover, B cells rely on lysosomes to promote the processing and presentation of extracellular antigens and thus could also present lysosome dysfunction, consequently affecting such functions. On the other hand, growing evidence suggests that cells accumulating lipids display defective inter-organelle membrane contact sites (MCSs) established by lysosomes and other compartments, which contribute to metabolic dysfunctions at the cellular level. Overall, in this review we will discuss recent findings addressing common mechanisms that are involved in lysosome dysregulation in adipocytes and hepatocytes during obesity, NPC, and Gaucher diseases. We will discuss whether these mechanisms may modulate the function of B cells and how inter-organelle contacts, emerging as relevant cellular mechanisms in the control of lipid homeostasis, have an impact on these diseases.
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Affiliation(s)
- Fernanda Cabrera-Reyes
- Department of Cellular and Molecular Biology, Faculty of Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Claudia Parra-Ruiz
- Department of Cellular and Molecular Biology, Faculty of Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - María Isabel Yuseff
- Department of Cellular and Molecular Biology, Faculty of Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Silvana Zanlungo
- Department of Gastroenterology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
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Beigrezaei S, Yazdanpanah Z, Soltani S, Rajaie SH, Mohseni-Takalloo S, Zohrabi T, Kaviani M, Forbes SC, Baker JS, Salehi-Abargouei A. The addition of exercise to a weight loss diet on inflammatory markers: a systematic review and Meta-analysis of controlled clinical trials. Crit Rev Food Sci Nutr 2021:1-13. [PMID: 34766871 DOI: 10.1080/10408398.2021.1999201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
This systematic review and meta-analysis of controlled clinical trials was performed to evaluate the effects of weight-loss diets plus exercise compared with weight-loss diets alone on inflammatory biomarkers in adults. PubMed, Scopus, EMBASE, Web of Science (ISI), and Google Scholar were searched up to April 2021. Overall effects were derived using a random effects model. The overall quality of evidence was assessed using Grading of Recommendations Assessment, Development, and Evaluation (GRADE). Twenty-nine trials were included in this systematic review and meta-analysis. The meta-analysis showed no significant difference in serum high sensitivity C-reactive protein (hs-CRP) [weighted mean difference (WMD) = -0.004 mg/l, 95% CI: -0.140, 0.132, P = 0.954], interleukin-6 (IL-6) (WMD = -0.039 pg/ml, 95% CI: -0.233 to 0.156, P = 0.696), and tumor necrosis factor-α (TNF-α) (WMD = 0.405 ng/ml, 95% CI: -1.036 to 0.226, P = 0.209) after adding exercise to a weight-loss diet compared with a weight-loss diet alone. Subgroup analysis revealed that exercise plus a weight-loss diet significantly reduced TNF-α in studies greater than 16 weeks in duration (WMD = -0.742 ng/ml, 95% CI: -1.384 to -0.1, P = 0.024). This systematic review and meta-analysis indicate that exercise in addition to a weight-loss diet does not have a significant effect on further reducing inflammatory markers compared to a weight loss diet alone.
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Affiliation(s)
- Sara Beigrezaei
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Zeinab Yazdanpanah
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Sepideh Soltani
- Yazd Cardiovascular Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Seiede Hamide Rajaie
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Sahar Mohseni-Takalloo
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Tayebeh Zohrabi
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mojtaba Kaviani
- Faculty of Pure & Applied Science, School of Nutrition and Dietetics, Acadia University, Wolfville, NS, Canada
| | - Scott C Forbes
- Department of Physical Education Studies, Faculty of Education, Brandon University, Brandon, MB, Canada
| | - Julien S Baker
- Centre for Health and Exercise Science Research, Department of Sport, Physical Education and Health, Hong Kong Baptist University, Kowloon Tong, Hong Kong
| | - Amin Salehi-Abargouei
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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47
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Hypoxia induces stress fiber formation in adipocytes in the early stage of obesity. Sci Rep 2021; 11:21473. [PMID: 34728615 PMCID: PMC8563745 DOI: 10.1038/s41598-021-00335-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 10/07/2021] [Indexed: 02/07/2023] Open
Abstract
In obese adipose tissue (AT), hypertrophic expansion of adipocytes is not matched by new vessel formation, leading to AT hypoxia. As a result, hypoxia inducible factor-1⍺ (HIF-1⍺) accumulates in adipocytes inducing a transcriptional program that upregulates profibrotic genes and biosynthetic enzymes such as lysyl oxidase (LOX) synthesis. This excess synthesis and crosslinking of extracellular matrix (ECM) components cause AT fibrosis. Although fibrosis is a hallmark of obese AT, the role of fibroblasts, cells known to regulate fibrosis in other fibrosis-prone tissues, is not well studied. Here we have developed an in vitro model of AT to study adipocyte-fibroblast crosstalk in a hypoxic environment. Further, this in vitro model was used to investigate the effect of hypoxia on adipocyte mechanical properties via ras homolog gene family member A (RhoA)/Rho-associated coiled-coil kinases (ROCK) signaling pathways. We confirmed that hypoxia creates a diseased phenotype by inhibiting adipocyte maturation and inducing actin stress fiber formation facilitated by myocardin-related transcription factor A (MRTF-A/MKL1) nuclear translocation. This work presents new potential therapeutic targets for obesity by improving adipocyte maturation and limiting mechanical stress in obese AT.
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48
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Tang P, Virtue S, Goie JYG, Png CW, Guo J, Li Y, Jiao H, Chua YL, Campbell M, Moreno-Navarrete JM, Shabbir A, Fernández-Real JM, Gasser S, Kemeny DM, Yang H, Vidal-Puig A, Zhang Y. Regulation of adipogenic differentiation and adipose tissue inflammation by interferon regulatory factor 3. Cell Death Differ 2021; 28:3022-3035. [PMID: 34091599 PMCID: PMC8563729 DOI: 10.1038/s41418-021-00798-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 04/21/2021] [Accepted: 04/26/2021] [Indexed: 02/04/2023] Open
Abstract
Dysfunction of adipocytes and adipose tissue is a primary defect in obesity and obesity-associated metabolic diseases. Interferon regulatory factor 3 (IRF3) has been implicated in adipogenesis. However, the role of IRF3 in obesity and obesity-associated disorders remains unclear. Here, we show that IRF3 expression in human adipose tissues is positively associated with insulin sensitivity and negatively associated with type 2 diabetes. In mouse pre-adipocytes, deficiency of IRF3 results in increased expression of PPARγ and PPARγ-mediated adipogenic genes, leading to increased adipogenesis and altered adipocyte functionality. The IRF3 knockout (KO) mice develop obesity, insulin resistance, glucose intolerance, and eventually type 2 diabetes with aging, which is associated with the development of white adipose tissue (WAT) inflammation. Increased macrophage accumulation with M1 phenotype which is due to the loss of IFNβ-mediated IL-10 expression is observed in WAT of the KO mice compared to that in wild-type mice. Bone-marrow reconstitution experiments demonstrate that the nonhematopoietic cells are the primary contributors to the development of obesity and both hematopoietic and nonhematopoietic cells contribute to the development of obesity-related complications in IRF3 KO mice. This study demonstrates that IRF3 regulates the biology of multiple cell types including adipocytes and macrophages to prevent the development of obesity and obesity-related complications and hence, could be a potential target for therapeutic interventions for the prevention and treatment of obesity-associated metabolic disorders.
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Affiliation(s)
- Peng Tang
- Department of Microbiology & Immunology, and NUSMED Immunology Translational Research Programme,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - Sam Virtue
- Institute of Metabolic Science, Wellcome Trust-MRC MDU Metabolic Disease Unit, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK
| | - Jian Yi Gerald Goie
- Department of Microbiology & Immunology, and NUSMED Immunology Translational Research Programme,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - Chin Wen Png
- Department of Microbiology & Immunology, and NUSMED Immunology Translational Research Programme,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - Jing Guo
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Ying Li
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Huipeng Jiao
- Department of Microbiology & Immunology, and NUSMED Immunology Translational Research Programme,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - Yen Leong Chua
- Department of Microbiology & Immunology, and NUSMED Immunology Translational Research Programme,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - Mark Campbell
- Institute of Metabolic Science, Wellcome Trust-MRC MDU Metabolic Disease Unit, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK
| | - José Maria Moreno-Navarrete
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigacio Biomedica de Girona (IDIBGI), CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn, CB06/03/010), Instituto de Salud Carlos III, and Department of Medical Sciences, Faculty of Medicine, Girona, Spain
| | - Asim Shabbir
- Department of Surgery, National University Hospital, Singapore, Singapore
| | - José-Manuel Fernández-Real
- Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigacio Biomedica de Girona (IDIBGI), CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn, CB06/03/010), Instituto de Salud Carlos III, and Department of Medical Sciences, Faculty of Medicine, Girona, Spain
| | - Stephan Gasser
- Department of Microbiology & Immunology, and NUSMED Immunology Translational Research Programme,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - David Michael Kemeny
- Department of Microbiology & Immunology, and NUSMED Immunology Translational Research Programme,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - Henry Yang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Antonio Vidal-Puig
- Institute of Metabolic Science, Wellcome Trust-MRC MDU Metabolic Disease Unit, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK.
| | - Yongliang Zhang
- Department of Microbiology & Immunology, and NUSMED Immunology Translational Research Programme,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore.
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Caroline OB, Ebuehi OA, Cecilia OA, Kayode OA. Effect of Allium sativum extract in combination -with orlistat on insulin resistance and disrupted metabolic hormones in high fat diet induced obese rats. SCIENTIFIC AFRICAN 2021. [DOI: 10.1016/j.sciaf.2021.e00994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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50
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The capacity of differentiation of stromal vascular fraction cells into beige adipocytes is markedly reduced in subjects with overweight/obesity and insulin resistance: effect of genistein. Int J Obes (Lond) 2021; 45:2471-2481. [PMID: 34331001 DOI: 10.1038/s41366-021-00921-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 07/09/2021] [Accepted: 07/20/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Dietary bioactive compounds have been demonstrated to produce several health benefits. Genistein, an isoflavone of soy protein, and resveratrol, a polyphenol from grapes, have been shown to improve insulin sensitivity and to stimulate white adipose tissue (WAT) browning, leading to increased energy expenditure. However, it has not been demonstrated in humans whether genistein or resveratrol have the capacity to stimulate the differentiation of stromal vascular fraction (SVF) cells from white fat into beige adipocytes. SUBJECTS/METHODS With this aim, we assessed whether stromal vascular fraction cells obtained from biopsies of the subdermal fat depots of subjects with normal body weight (NW) or from subjects with overweight/obesity with (OIR) or without (OIS) insulin resistance were able to differentiate into the beige adipose tissue lineage in vitro, by exposing the cells to genistein, resveratrol, or the combination of both. RESULTS The results showed that SVF cells obtained from NW or OIS subjects were able to differentiate into beige adipocytes according to an increased expression of beige biomarkers including UCP1, PDRM-16, PGC1α, CIDEA, and SHOX2 upon exposure to genistein. However, SVF cells from OIR subjects were unable to differentiate into beige adipocytes with any of the inducers. Exposure to resveratrol or the combination of resveratrol/genistein did not significantly stimulate the expression of browning markers in any of the groups studied. We found that the non-responsiveness of the SVF from subjects with obesity and insulin resistance to any of the inducers was associated with an increase in the expression of endoplasmic reticulum stress markers. CONCLUSION Consumption of genistein may stimulate WAT browning mainly in NW or OIS subjects. Thus, obesity associated with insulin resistance may be considered as a condition that prevents some beneficial effects of some dietary bioactive compounds.
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