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Secchiero P, Rimondi E, Marcuzzi A, Longo G, Papi C, Manfredini M, Fields M, Caruso L, Di Caprio R, Balato A. Metabolic Syndrome and Psoriasis: Pivotal Roles of Chronic Inflammation and Gut Microbiota. Int J Mol Sci 2024; 25:8098. [PMID: 39125666 PMCID: PMC11311610 DOI: 10.3390/ijms25158098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/19/2024] [Accepted: 07/22/2024] [Indexed: 08/12/2024] Open
Abstract
In recent years, the incidence of metabolic syndrome (MS) has increased due to lifestyle-related factors in developed countries. MS represents a group of conditions that increase the risk of diabetes, cardiovascular diseases, and other severe health problems. Low-grade chronic inflammation is now considered one of the key aspects of MS and could be defined as a new cardiovascular risk factor. Indeed, an increase in visceral adipose tissue, typical of obesity, contributes to the development of an inflammatory state, which, in turn, induces the production of several proinflammatory cytokines responsible for insulin resistance. Psoriasis is a chronic relapsing inflammatory skin disease and is characterized by the increased release of pro-inflammatory cytokines, which can contribute to different pathological conditions within the spectrum of MS. A link between metabolic disorders and Psoriasis has emerged from evidence indicating that weight loss obtained through healthy diets and exercise was able to improve the clinical course and therapeutic response of Psoriasis in patients with obesity or overweight patients and even prevent its occurrence. A key factor in this balance is the gut microbiota; it is an extremely dynamic system, and this makes its manipulation through diet possible via probiotic, prebiotic, and symbiotic compounds. Given this, the gut microbiota represents an additional therapeutic target that can improve metabolism in different clinical conditions.
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Affiliation(s)
- Paola Secchiero
- Department of Translational Medicine and LTTA Centre, University of Ferrara, 44121 Ferrara, Italy; (P.S.); (E.R.)
| | - Erika Rimondi
- Department of Translational Medicine and LTTA Centre, University of Ferrara, 44121 Ferrara, Italy; (P.S.); (E.R.)
| | - Annalisa Marcuzzi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (G.L.); (C.P.); (M.M.); (M.F.)
| | - Giovanna Longo
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (G.L.); (C.P.); (M.M.); (M.F.)
| | - Chiara Papi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (G.L.); (C.P.); (M.M.); (M.F.)
| | - Marta Manfredini
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (G.L.); (C.P.); (M.M.); (M.F.)
| | - Matteo Fields
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (G.L.); (C.P.); (M.M.); (M.F.)
| | - Lorenzo Caruso
- Department of Environmental and Prevention Sciences, University of Ferrara, 44121 Ferrara, Italy;
| | - Roberta Di Caprio
- Dermatology Unit, Department of Mental and Physical Health and Preventive Medicine, University of Campania Luigi Vanvitelli, 80131 Naples, Italy; (R.D.C.); (A.B.)
| | - Anna Balato
- Dermatology Unit, Department of Mental and Physical Health and Preventive Medicine, University of Campania Luigi Vanvitelli, 80131 Naples, Italy; (R.D.C.); (A.B.)
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Zhao YQ, Ren YF, Li BB, Wei C, Yu B. The mysterious association between adiponectin and endometriosis. Front Pharmacol 2024; 15:1396616. [PMID: 38813109 PMCID: PMC11133721 DOI: 10.3389/fphar.2024.1396616] [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: 03/06/2024] [Accepted: 04/29/2024] [Indexed: 05/31/2024] Open
Abstract
Adiponectin is a pleiotropic cytokine predominantly derived from adipose tissue. In addition to its role in regulating energy metabolism, adiponectin may also be related to estrogen-dependent diseases, and many studies have confirmed its involvement in mediating diverse biological processes, including apoptosis, autophagy, inflammation, angiogenesis, and fibrosis, all of which are related to the pathogenesis of endometriosis. Although many researchers have reported low levels of adiponectin in patients with endometriosis and suggested that it may serve as a protective factor against the development of the disease. Therefore, the purpose of this review was to provide an up-to-date summary of the roles of adiponectin and its downstream cytokines and signaling pathways in the aforementioned biological processes. Further systematic studies on the molecular and cellular mechanisms of action of adiponectin may provide novel insights into the pathophysiology of endometriosis as well as potential therapeutic targets.
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Affiliation(s)
| | | | - Bing-Bing Li
- College of Integrated Chinese and Western Medicine, Jining Medical University, Jining, Shandong Province, China
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Lee E, Nam JO. Anti-Obesity and Anti-Diabetic Effects of Ostericum koreanum (Ganghwal) Extract. Int J Mol Sci 2024; 25:4908. [PMID: 38732125 PMCID: PMC11084156 DOI: 10.3390/ijms25094908] [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: 03/25/2024] [Revised: 04/26/2024] [Accepted: 04/27/2024] [Indexed: 05/13/2024] Open
Abstract
"Ganghwal" is a widely used herbal medicine in Republic of Korea, but it has not been reported as a treatment strategy for obesity and diabetes within adipocytes. In this study, we determined that Ostericum koreanum extract (OKE) exerts an anti-obesity effect by inhibiting adipogenesis and an anti-diabetic effect by increasing the expression of genes related to glucose uptake in adipocytes and inhibiting α-glucosidase activity. 3T3-L1 preadipocytes were differentiated for 8 days in methylisobutylxanthine, dexamethasone, and insulin medium, and the effect of OKE was confirmed by the addition of 50 and 100 µg/mL of OKE during the differentiation process. This resulted in a reduction in lipid accumulation and the expression of PPARγ (Peroxisome proliferator-activated receptor γ) and C/EBPα (CCAAT enhancer binding protein α). Significant activation of AMPK (AMP-activated protein kinase), increased expression of GLUT4 (Glucose Transporter Type 4), and inhibition of α-glucosidase activity were also observed. These findings provide the basis for the anti-obesity and anti-diabetic effects of OKE. In addition, OKE has a significant antioxidant effect. This study presents OKE as a potential natural product-derived material for the treatment of patients with metabolic diseases such as obesity- and obesity-induced diabetes.
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Affiliation(s)
- Eunbi Lee
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea;
| | - Ju-Ock Nam
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea;
- Research Institute of Tailored Food Technology, Kyungpook National University, Daegu 41566, Republic of Korea
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El-Seidy AMA, Elbaset MA, Ibrahim FAA, Abdelmottaleb Moussa SA, Bashandy SA. Nano cerium oxide and cerium/zinc nanocomposites characterization and therapeutic role in combating obesity via controlling oxidative stress and insulin resistance in rat model. J Trace Elem Med Biol 2023; 80:127312. [PMID: 37804595 DOI: 10.1016/j.jtemb.2023.127312] [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: 04/27/2023] [Revised: 08/18/2023] [Accepted: 09/21/2023] [Indexed: 10/09/2023]
Abstract
BACKGROUND CeO2NPs and ZnONPs can curb the increase of cholesterol and triglycerides observed in rats with non-alcoholic fatty liver disease. It was suggested that CeO2 NPs could potentially have an insulin-sensitizing effect, specifically on adipose tissue and skeletal muscle. It was reported that ZnONPs combat the increase of insulin resistance observed in obese rats and could be beneficial value in NAFLD. In our previous work, ZnO-NPs manifested valuable anti-obesity effects via lowering body weight gain, oxidative stress, BMI, lipids, and insulin resistance. METHODS In the present study, cerium oxide nanoparticles (A-1) and cerium/zinc nanocomposites (A-2 and A-3) were synthesized by solgel to investigate their role on oxidative stress, adipocyte hormones, and insulin resistance in an obese rat model. X-ray diffraction, HRTEM, SEM, and XPS were carried out to confirm the crystal structure, the particle size, the morphology of the nanoparticles and the oxidation states. RESULTS The Rietveld refinement has also been executed on A-1 (chi2 = 1.00; average Bragg = 2.92%; R-factor = 2.45%) and on A-2 (Rw = 9.87%, Rex= 9.68%, χ2 = 1.04, GoF = 1.02). The XPS spectra indicated the presence of Ce in + 4 and + 3 oxidation states and Zn as ZnO and ZnO.OH. Cerium oxide and ZnO crystal sizes lie in the range 40.53-45.01 and 40.53-45.01 nm, respectively. The results indicated that treating obese rats with any of the tested nano compounds (5 mg or 10 mg/Kg) lowered plasma cholesterol, triglycerides, LDL, insulin resistance, glucose, and BMI significantly relative to obese group values. On the other hand, HDL increased significantly in obese rats after treatment with either A-2 or A-3 compared to obese rats. The current investigation showed antioxidant activities for A-1, A-2, and A3 as evidenced by the significant increase in GSH level and a significant decrease in MDA. CONCLUSION It was found that A-1, A-2, and A-3 have an efficient therapeutic role in treating of obesity-related hyperlipidemia, oxidative stress and insulin resistance. The results of A-2 and A-3 were more pronounced than those of A-1. The use of Zn/Ce nanocomposite (that have positive characteristics) in combating obesity and its complications could be become a new trend in therapeutic application for a management of obesity.
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Affiliation(s)
- Ahmed M A El-Seidy
- Inorganic Chemistry Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Cairo, Egypt.
| | - Marwan A Elbaset
- Pharmacology Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Cairo, Egypt
| | - Fatma A A Ibrahim
- Biophysics Laboratory, Biochemistry Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Cairo, Egypt
| | - Sherif A Abdelmottaleb Moussa
- Biophysics Laboratory, Biochemistry Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Cairo, Egypt
| | - Samir Ae Bashandy
- Pharmacology Department, National Research Centre, 33 El-Bohouth St., Dokki, P.O. 12622, Cairo, Egypt
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Ran H, Li C, Zhang M, Zhong J, Wang H. Neglected PTM in Animal Adipogenesis: E3-mediated Ubiquitination. Gene 2023:147574. [PMID: 37336271 DOI: 10.1016/j.gene.2023.147574] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/11/2023] [Accepted: 06/14/2023] [Indexed: 06/21/2023]
Abstract
Ubiquitination is a widespread post-transcriptional modification (PTM) that occurs during protein degradation in eukaryotes and participates in almost all physiological and pathological processes, including animal adipogenesis. Ubiquitination is a cascade reaction regulated by the activating enzyme E1, conjugating enzyme E2, and ligase E3. Several recent studies have reported that E3 ligases play important regulatory roles in adipogenesis. However, as a key influencing factor for the recognition and connection between the substrate and ubiquitin during ubiquitination, its regulatory role in adipogenesis has not received adequate attention. In this review, we summarize the E3s' regulation and modification targets in animal adipogenesis, explain the regulatory mechanisms in lipogenic-related pathways, and further analyze the existing positive results to provide research directions of guiding significance for further studies on the regulatory mechanisms of E3s in animal adipogenesis.
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Affiliation(s)
- Hongbiao Ran
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, Sichuan 610041, People's Republic of China
| | - Chunyan Li
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, Sichuan 610041, People's Republic of China
| | - Ming Zhang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, Sichuan 610041, People's Republic of China
| | - Jincheng Zhong
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, Sichuan 610041, People's Republic of China
| | - Hui Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, Sichuan 610041, People's Republic of China.
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Guan Y, Zuo F, Zhao J, Nian X, Shi L, Xu Y, Huang J, Kazumi T, Wu B. Relationships of adiponectin to regional adiposity, insulin sensitivity, serum lipids, and inflammatory markers in sedentary and endurance-trained Japanese young women. Front Endocrinol (Lausanne) 2023; 14:1097034. [PMID: 36761190 PMCID: PMC9902352 DOI: 10.3389/fendo.2023.1097034] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 01/09/2023] [Indexed: 01/25/2023] Open
Abstract
INTRODUCTION This study aims to compare the differences in circulating adiponectin levels and their relationships to regional adiposity, insulin resistance, serum lipid, and inflammatory factors in young, healthy Japanese women with different physical activity statuses. METHODS Adipokines (adiponectin and leptin), full serum lipid, and inflammatory factors [white blood cell counts, C-reactive protein, tumor necrosis factor-α, tissue plasminogen activator inhibitor-1 (PAI-1)] were measured in 101 sedentary and 100 endurance-trained healthy Japanese women (aged 18-23 years). Insulin sensitivity was obtained through a quantitative insulin-sensitivity check index (QUICKI). Regional adiposity [trunk fat mass (TFM), lower-body fat mass (LFM), and arm fat mass (AFM)] was evaluated using the dual-energy X-ray absorptiometry method. RESULTS No significant difference was observed between the sedentary and trained women in terms of adiponectin levels. The LFM-to-TFM ratio and the high-density lipoprotein cholesterol (HDL-C) were the strong positive determinants for adiponectin in both groups. Triglyceride in the sedentary women was closely and negatively associated with adiponectin, as well as PAI-1 in the trained women. The QUICKI level was higher in the trained than sedentary women. However, no significant correlation between adiponectin and insulin sensitivity was detected in both groups. Furthermore, LFM was associated with a favorable lipid profile against cardiovascular diseases (CVDs) in the whole study cohort, but this association became insignificant when adiponectin was taken into account. CONCLUSIONS These findings suggest that adiponectin is primarily associated with regional adiposity and HDL-C regardless of insulin sensitivity and physical activity status in young, healthy women. The associations among adiponectin, lipid, and inflammatory factors are likely different in women with different physical activity statuses. The correlation of LFM and a favorable lipid profile against CVD and adiponectin is likely involved in this association.
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Affiliation(s)
- Yaxin Guan
- Department of Endocrinology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Medical Center for Endocrine and Metabolic Diseases, Kunming, Yunnan, China
| | - Fan Zuo
- Department of Endocrinology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Medical Center for Endocrine and Metabolic Diseases, Kunming, Yunnan, China
| | - Juan Zhao
- Department of Endocrinology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Medical Center for Endocrine and Metabolic Diseases, Kunming, Yunnan, China
| | - Xin Nian
- Department of Endocrinology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Medical Center for Endocrine and Metabolic Diseases, Kunming, Yunnan, China
| | - Li Shi
- Department of Endocrinology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Medical Center for Endocrine and Metabolic Diseases, Kunming, Yunnan, China
| | - Yushan Xu
- Department of Endocrinology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Medical Center for Endocrine and Metabolic Diseases, Kunming, Yunnan, China
| | - Jingshan Huang
- School of Computing, University of South Alabama, Mobile, AL, United States
| | - Tsutomu Kazumi
- Open Research Center for Studying of Lifestyle-Related Diseases, Mukogawa Women’s University, Nishinomiya, Japan
- Department of Food Sciences and Nutrition, School of Human Environmental Science, Mukogawa Women’s University, Nishinomiya, Japan
- Research Institute for Nutrition Sciences, Mukogawa Women’s University, Nishinomiya, Japan
| | - Bin Wu
- Department of Endocrinology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Yunnan Province Clinical Medical Center for Endocrine and Metabolic Diseases, Kunming, Yunnan, China
- Open Research Center for Studying of Lifestyle-Related Diseases, Mukogawa Women’s University, Nishinomiya, Japan
- *Correspondence: Bin Wu,
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Dai J, Shi H, Zhang C, Li B, Li Y, Wei Y. Multimeric adiponectin nanoparticles regulate glucose metabolism by activating phosphatidylinositol-3-kinase, protein kinase B and T-cadherin. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.12.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Fang C, Pan J, Qu N, Lei Y, Han J, Zhang J, Han D. The AMPK pathway in fatty liver disease. Front Physiol 2022; 13:970292. [PMID: 36203933 PMCID: PMC9531345 DOI: 10.3389/fphys.2022.970292] [Citation(s) in RCA: 72] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 07/25/2022] [Indexed: 11/20/2022] Open
Abstract
Lipid metabolism disorders are the primary causes for the occurrence and progression of various liver diseases, including non-alcoholic fatty liver disease (NAFLD) and alcoholic fatty liver disease (AFLD) caused by a high-fat diet and ethanol. AMPK signaling pathway plays an important role in ameliorating lipid metabolism disorders. Progressive research has clarified that AMPK signal axes are involved in the prevention and reduction of liver injury. Upregulation of AMK can alleviate FLD in mice induced by alcohol or insulin resistance, type 2 diabetes, and obesity, and most natural AMPK agonists can regulate lipid metabolism, inflammation, and oxidative stress in hepatocytes, consequently regulating FLD in mice. In NAFLD and AFLD, increasing the activity of AMPK can inhibit the synthesis of fatty acids and cholesterol by down-regulating the expression of adipogenesis gene (FAS, SREBP-1c, ACC and HMGCR); Simultaneously, by increasing the expression of fatty acid oxidation and lipid decomposition genes (CPT1, PGC1, and HSL, ATGL) involved in fatty acid oxidation and lipid decomposition, the body’s natural lipid balance can be maintained. At present, some AMPK activators are thought to be beneficial during therapeutic treatment. Therefore, activation of AMPK signaling pathway is a potential therapeutic target for disorders of the liver. We summarized the most recent research on the role of the AMPK pathway in FLD in this review. Simultaneously, we performed a detailed description of each signaling axis of the AMPK pathway, as well as a discussion of its mechanism of action and therapeutic significance.
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Affiliation(s)
- Chunqiu Fang
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
| | - Jianheng Pan
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
| | - Ning Qu
- College of Traditional Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Yuting Lei
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
| | - Jiajun Han
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
| | - Jingzhou Zhang
- College of Traditional Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Dong Han
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
- *Correspondence: Dong Han,
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Bavuu O, Fukuda D, Ganbaatar B, Matsuura T, Ise T, Kusunose K, Yamaguchi K, Yagi S, Yamada H, Soeki T, Wakatsuki T, Sata M. Esaxerenone, a selective mineralocorticoid receptor blocker, improves insulin sensitivity in mice consuming high-fat diet. Eur J Pharmacol 2022; 931:175190. [PMID: 35961594 DOI: 10.1016/j.ejphar.2022.175190] [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: 05/24/2022] [Revised: 08/03/2022] [Accepted: 08/03/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND Esaxerenone is a novel, non-steroidal selective mineralocorticoid receptor (MR) blocker. MR activation plays a crucial role in the development of cardiovascular and metabolic diseases. In this study, we investigated the effects of esaxerenone on various metabolic parameters in mice. MATERIALS AND METHODS Esaxerenone (3 mg/kg/day) was orally administered to high-fat diet (HFD)-fed male C57BL/6 mice. Mice fed a normal diet (ND) served as controls. Glucose and insulin tolerance, plasma lipid levels, and transaminase levels were assessed as metabolic parameters. Macrophage accumulation in the adipose tissue was evaluated using histological analysis. 3T3-L1 adipocytes, HepG2 cells, and C2C12 myotubes were used for in vitro experiments. Gene expression and insulin signaling were examined using quantitative RT-PCR and western blotting, respectively. RESULTS HFD successfully induced insulin resistance compared with that in ND. Esaxerenone ameliorated insulin resistance (P < 0.05) without altering other metabolic parameters, such as the lipid profile. Esaxerenone administration tended to decrease plasma transaminase levels compared with those in the non-treated group. In the adipose tissue, esaxerenone decreased macrophage accumulation (P < 0.05) and increased the expression levels of adiponectin and PPARγ. Aldosterone significantly decreased the expression levels of PPARγ and adiponectin in 3T3-L1 adipocytes. Furthermore, aldosterone attenuated insulin-induced Akt phosphorylation in 3T3-L1 adipocytes, HepG2 cells, and C2C12 myotubes in a dose-dependent manner (P < 0.01). These effects were ameliorated by pretreatment with esaxerenone. CONCLUSION Esaxerenone ameliorated insulin resistance in HFD-fed mice. Reduction of inflammation and improvement in insulin signaling may underlie the beneficial effects of esaxerenone.
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Affiliation(s)
- Oyunbileg Bavuu
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Daiju Fukuda
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan; Department of Cardiovascular Medicine, Osaka Metropolitan University Graduate School of Medicine, Osaka, 545-8585, Japan.
| | - Byambasuren Ganbaatar
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Tomomi Matsuura
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Takayuki Ise
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Kenya Kusunose
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Koji Yamaguchi
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Shusuke Yagi
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Hirotsugu Yamada
- Department of Community Medicine for Cardiology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Takeshi Soeki
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Tetsuzo Wakatsuki
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
| | - Masataka Sata
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, 770-8503, Japan
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Strollo F, Gentile S, Pipicelli AMV, Mambro A, Monici M, Magni P. Space Flight-Promoted Insulin Resistance as a Possible Disruptor of Wound Healing. Front Bioeng Biotechnol 2022; 10:868999. [PMID: 35646861 PMCID: PMC9136162 DOI: 10.3389/fbioe.2022.868999] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/14/2022] [Indexed: 12/02/2022] Open
Abstract
During space flight, especially when prolonged, exposure to microgravity results in a number of pathophysiological changes such as bone loss, muscle atrophy, cardiovascular and metabolic changes and impaired wound healing, among others. Interestingly, chronic low-grade inflammation and insulin resistance appear to be pivotal events linking many of them. Interestingly, real and experimental microgravity is also associated to altered wound repair, a process that is becoming increasingly important in view of prolonged space flights. The association of insulin resistance and wound healing impairment may be hypothesized from some dysmetabolic conditions, like the metabolic syndrome, type 2 diabetes mellitus and abdominal/visceral obesity, where derangement of glucose and lipid metabolism, greater low-grade inflammation, altered adipokine secretion and adipocyte dysfunction converge to produce systemic effects that also negatively involve wound healing. Indeed, wound healing impairment after traumatic events and surgery in space remains a relevant concern for space agencies. Further studies are required to clarify the molecular connection between insulin resistance and wound healing during space flight, addressing the ability of physical, endocrine/metabolic, and pharmacological countermeasures, as well as nutritional strategies to prevent long-term detrimental effects on tissue repair linked to insulin resistance. Based on these considerations, this paper discusses the pathophysiological links between microgravity-associated insulin resistance and impaired wound healing.
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Affiliation(s)
- F. Strollo
- Endocrinology and Metabolism Unit, IRCCS San Raffaele Pisana, Rome, Italy
- *Correspondence: F. Strollo,
| | - S. Gentile
- Department of Internal Medicine, Campania University “Luigi Vanvitelli”, Naples, Italy and Nefrocenter Research Network, Naples, Italy
| | - A. M. V. Pipicelli
- Nephrology, Dialysis and Transplant Unit, Medical and Surgical Sciences Department, “A. Gemelli” Sacred Heart Catholic University, Rome, Italy
| | - A. Mambro
- Anesthesiology and Intensive Care Unit, Pertini General Hospital, Rome, Italy
| | - M. Monici
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, ASA Campus Joint Laboratory, ASA Res. Div, University of Florence, Florence, Italy
| | - P. Magni
- Department of Pharmacological and Biomolecular Sciences, Università Degli Studi di Milano, Milan, Italy
- IRCCS Multimedica Hospital, Sesto San Giovanni, Milan, Italy
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Qian Y, Xia F, Zuo Y, Zhong M, Yang L, Jiang Y, Zou C. Do patients with Prader-Willi syndrome have favorable glucose metabolism? Orphanet J Rare Dis 2022; 17:187. [PMID: 35525976 PMCID: PMC9077846 DOI: 10.1186/s13023-022-02344-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 04/26/2022] [Indexed: 11/26/2022] Open
Abstract
Background In recent years, more studies have observed that patients with Prader–Willi syndrome have lower insulin levels and lower insulin resistance than body mass index-matched controls, which may suggest protected glucose metabolism. Method The PubMed and Web of Science online databases were searched to identify relevant studies published in the English language using the terms “Prader–Willi syndrome” with “glucose”, “insulin”, “diabetes mellitus”, “fat”, “adipo*”, “ghrelin”, “oxytocin”, “irisin” or “autonomic nervous system”. Results The prevalence of impaired glucose intolerance, type 2 diabetes mellitus and some other obesity-associated complications in patients with Prader–Willi syndrome tends to be lower when compared to that in general obesity, which is consistent with the hypothetically protected glucose metabolism. Factors including adipose tissue, adiponectin, ghrelin, oxytocin, irisin, growth hormone and the autonomic nervous system possibly modulate insulin sensitivity in patients with Prader–Willi syndrome. Conclusion Although lower insulin levels, lower IR and protected glucose metabolism are widely reported in PWS patients, the causes are still mysterious. Based on existing knowledge, we cannot determine which factor is of utmost importance and what are the underlying mechanisms, and further research is in urgent need.
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Affiliation(s)
- Yanjie Qian
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Fangling Xia
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Yiming Zuo
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Mianling Zhong
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Lili Yang
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Yonghui Jiang
- Department of Genetics, Yale University School of Medicine, New Haven, USA
| | - Chaochun Zou
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China.
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12
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Samaha MM, Helal MG, El-Sherbiny M, Said E, Salem HA. Indapamide Increases IRS1 Expression and Modifies Adiponectin/NLRP3/PPARγ Crosstalk in Type 2 Diabetic Rats. Antioxidants (Basel) 2022; 11:antiox11040691. [PMID: 35453376 PMCID: PMC9026493 DOI: 10.3390/antiox11040691] [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: 02/26/2022] [Revised: 03/27/2022] [Accepted: 03/29/2022] [Indexed: 02/01/2023] Open
Abstract
The current study aimed to evaluate the anti-diabetic effects of canagliflozin (CANA) and indapamide (INDA) and their impacts as adiponectin modulators in experimentally induced type 2 diabetes mellitus (T2DM). T2DM was associated with a significant rise in blood glucose level and HbA1C%, andreduced adiponectin and insulin secretions. Moreover, the malondialdehyde (MDA) contents in both the epididymal adipocytes and soleus muscle significantly escalated, while the total antioxidant capacity (TAC) and epididymal adipocyte Nrf2 expression significantly declined. Moreover, serum TNF-α, epididymal adipocyte’s NOD-like receptor protein 3, NLRP3, NF-κB and CD68 expressions markedly escalated, and serum IL-10 significantly declined. Furthermore, there was a significant escalation in PPARγ expression in epididymal adipocytes, with a significant reduction in soleus muscle’s expression of IRS1. CANA and INDA treatments markedly reduced blood glucose levels, increased adiponectin and insulin secretion, enhanced anti-oxidant defenses, and reduced oxidative burden, with marked anti-inflammatory impact. Interestingly, the impact of indapamide on DM indices and oxidative and inflammatory changes was comparable to that of canagliflozin. Nevertheless, indapamide had a superior effect compared to canagliflozin on HbA1c%, expression of IRS1 and reduction of NF-κB and CD68 expressions. INDA could be effective in regulating T2DM, with underlined anti-diabetic, antioxidant, and anti-inflammatory properties. INDA increased IRS1 expression and modified adiponectin/NLRP3/PPARγ crosstalk. The impacts of INDA are comparable to those of the standard anti-diabetic drug CANA.
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Affiliation(s)
- Mahmoud M. Samaha
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.G.H.); (H.A.S.)
| | - Manar G. Helal
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.G.H.); (H.A.S.)
| | - Mohamed El-Sherbiny
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, Riyadh P.O. Box 71666, Saudi Arabia;
- Department of Anatomy, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Eman Said
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.G.H.); (H.A.S.)
- Faculty of Pharmacy, New Mansoura University, New Mansoura 7723730, Egypt
- Correspondence:
| | - Hatem A. Salem
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; (M.M.S.); (M.G.H.); (H.A.S.)
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Madilindi M, Zishiri O, Dube B, Banga C. Technological advances in genetic improvement of feed efficiency in dairy cattle: A review. Livest Sci 2022. [DOI: 10.1016/j.livsci.2022.104871] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Samaha MM, Helal MG, El-Sherbiny M, Said E, Salem HA. Diacerein versus adipoRon as adiponectin modulators in experimentally-induced end-stage type 2 diabetes mellitus in rats. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 90:103806. [PMID: 34974166 DOI: 10.1016/j.etap.2021.103806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 12/25/2021] [Accepted: 12/28/2021] [Indexed: 06/14/2023]
Abstract
The objective of the present study is to evaluate and compare the possible anti-diabetic effects of adipoRon and diacerein in type 2 diabetes mellitus (T2DM) rats. T2DM is marked by impaired oxidative, inflammatory and metabolic signaling. Indeed, T2DM progression is associated with elevated HbA1C%, low adiponectin and insulin concentration. Moreover, in this study epididymal adipose tissue and soleus muscle MDA contents significantly escalated, while serum TAC and epididymal adipose Nrf2 significantly declined. Nevertheless, serum TNF-α, epididymal NLRP3, NF-κB, PPARγ and CD68 expression rose significantly with a parallel significant reduction in serum IL-10 and soleus muscle expression of IRS1. Both adipoRon and diacerein significantly improved adiponectin and insulin secretion with augmentation of anti-oxidant defenses and diminution of oxidative burden, with obvious anti-inflammatory consequences (p < 0.05). Thus, adipoRon and diacerein positively modulated adiponectin expression with down-regulation of NF-κB/NLRP3/PPARγ expression with subsequent improvement in glycemic control, inflammatory and oxidative signaling.
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Affiliation(s)
- Mahmoud M Samaha
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Manar G Helal
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Mohamed El-Sherbiny
- Department of Basic Medical Sciences, College of Medicine, Almaarefa University, P.O. Box 71666, Riyadh, 11597, Saudi Arabia; Department of Anatomy, Faculty of Medicine, Mansoura University, Mansoura, Egypt.
| | - Eman Said
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt; Faculty of Pharmacy, New Mansoura University, 7723730 New Mansoura, Egypt.
| | - Hatem A Salem
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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15
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Liang YY, Zhang LD, Luo X, Wu LL, Chen ZW, Wei GH, Zhang KQ, Du ZA, Li RZ, So KF, Li A. All roads lead to Rome - a review of the potential mechanisms by which exerkines exhibit neuroprotective effects in Alzheimer's disease. Neural Regen Res 2021; 17:1210-1227. [PMID: 34782555 PMCID: PMC8643060 DOI: 10.4103/1673-5374.325012] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Age-related neurodegenerative disorders such as Alzheimer’s disease (AD) have become a critical public health issue due to the significantly extended human lifespan, leading to considerable economic and social burdens. Traditional therapies for AD such as medicine and surgery remain ineffective, impractical, and expensive. Many studies have shown that a variety of bioactive substances released by physical exercise (called “exerkines”) help to maintain and improve the normal functions of the brain in terms of cognition, emotion, and psychomotor coordination. Increasing evidence suggests that exerkines may exert beneficial effects in AD as well. This review summarizes the neuroprotective effects of exerkines in AD, focusing on the underlying molecular mechanism and the dynamic expression of exerkines after physical exercise. The findings described in this review will help direct research into novel targets for the treatment of AD and develop customized exercise therapy for individuals of different ages, genders, and health conditions.
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Affiliation(s)
- Yi-Yao Liang
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Jinan University; Key Laboratory of CNS Regeneration (Jinan University), Ministry of Education, Guangzhou, Guangdong Province, China
| | - Li-Dan Zhang
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Jinan University; Key Laboratory of CNS Regeneration (Jinan University), Ministry of Education, Guangzhou, Guangdong Province, China
| | - Xi Luo
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Jinan University; Key Laboratory of CNS Regeneration (Jinan University), Ministry of Education, Guangzhou, Guangdong Province, China
| | - Li-Li Wu
- Department of Medical Ultrasonics, Third Affiliated Hospital of Sun Yat-sen University; Guangdong Key Laboratory of Liver Disease Research, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Zhao-Wei Chen
- Department of Clinical Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong Province, China
| | - Guang-Hao Wei
- Department of Clinical Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong Province, China
| | - Kai-Qing Zhang
- Department of Clinical Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong Province, China
| | - Ze-An Du
- Department of Clinical Medicine, International School, Jinan University, Guangzhou, Guangdong Province, China
| | - Ren-Zhi Li
- International Department of the Affiliated High School of South China Normal University, Guangzhou, Guangdong Province, China
| | - Kwok-Fai So
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Jinan University; Key Laboratory of CNS Regeneration (Jinan University), Ministry of Education; Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, Guangdong Province; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Ang Li
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Jinan University; Key Laboratory of CNS Regeneration (Jinan University), Ministry of Education; Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, Guangdong Province, China
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16
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Estrada-Soto S, Cerón-Romero L, Navarrete-Vázquez G, Rosales-Ortega E, Gómez-Zamudio JH, Cruz M, Villalobos-Molina R. PPARα/γ, adiponectin and GLUT4 overexpression induced by moronic acid methyl ester influenced on glucose and triglycerides levels of experimental diabetic mice. Can J Physiol Pharmacol 2021; 100:295-305. [PMID: 34757855 DOI: 10.1139/cjpp-2021-0526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The current study aimed to determine the antidiabetic and antidyslipidemic activities of moronic acid methyl ester (1) by in vivo, in vitro, in silico and molecular biology studies. Compound 1 was evaluated to establish its dose-dependent antidiabetic and antihyperglycemic (50 mg/kg) activities, in diabetic and normoglycemic male CD1 mice, respectively. Also, compound 1 was subjected to a sub-acute study (50 mg/kg/day for eight days) to determine blood biochemical profiles and the expression of PTP-1B, GLUT4, PPAR-α, PPAR-γ, adiponectin, IL-1β, and MCP1 in adipose tissue of animals after treatment. Different doses in acute administration of 1 decreased glycemia (p < 0.05), compared with vehicle, showing greater effectiveness in the range 50-160 mg/kg. Also, the oral glucose tolerance test (OGTT) showed that 1 induced a significant antihyperglycemic action by opposing the hyperglycemic peak (p < 0.05). Moreover, 1 subacute administration decrease glucose and triglycerides levels after treatment (p < 0.05); while the expression of PPAR-α and γ, adiponectin and GLUT4 displayed an increase (p< 0.05) compared with the diabetic control group. In conclusion, compound 1 showed antihyperglycemic, antidiabetic and antidyslipidemic effects in normal and diabetic mice, probably due to insulin sensitization through increase mRNA expression of GLUT4, PPAR-α, PPAR-γ and adiponectin genes.
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Affiliation(s)
- Samuel Estrada-Soto
- Universidad Autónoma del Estado de Morelos, 27783, Cuernavaca, MOR, Mexico, 62209;
| | - Litzia Cerón-Romero
- Universidad Juárez Autónoma de Tabasco, 27836, División Académica de Ciencias Básicas, Villahermosa, Mexico;
| | | | | | - Jaime H Gómez-Zamudio
- Instituto Mexicano del Seguro Social, Unidad de Investigación Medica en Bioquímica, Distrito Federal, DISTRITO FEDERAL, Mexico;
| | - Miguel Cruz
- Instituto Mexicano del Seguro Social, CMN Siglo XXI, Unidad de Investigación Médica en Bioquímica, Cd. de Mexico, Distrito Federal, Mexico;
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17
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Di Ciaula A, Carbone F, Shanmugham H, Molina-Molina E, Bonfrate L, Ministrini S, Montecucco F, Portincasa P. Adiponectin involved in portal flow hepatic extraction of 13C-methacetin in obesity and non-alcoholic fatty liver. Eur J Intern Med 2021; 89:56-64. [PMID: 33867228 DOI: 10.1016/j.ejim.2021.03.036] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/23/2021] [Accepted: 03/25/2021] [Indexed: 02/06/2023]
Abstract
Obesity and non-alcoholic fatty liver disease (NAFLD) are high prevalence, inter-related conditions at increased risk for advanced liver diseases and related mortality. Adiponectin and leptin have divergent roles in the pathogenesis of fat accumulation and NAFLD. However, the relationships between body and liver fat accumulation, early modification of liver function and unbalanced adipokine levels are still scarcely explored. We studied by (13C)-methacetin breath test ((13C)-MBT) 67 adults stratified according to body mass index, and to presence/absence of ultrasonographic nonalcoholic fatty liver disease (uNAFLD). uNAFLD was detected in 20%, 73% and 96% of normal weight, overweight and obese subjects, respectively. The delta over baseline after 15 min (DOB15), a marker of hepatic extraction efficiency from portal blood flow, was lower in obese than in normal weight subjects, and in subjects with-, as compared to those without uNAFLD. The cumulative percent dose recovery after 30 min (cPDR30), a marker of liver microsomal function, was lower in uNAFLD patients. DOB15 was positively correlated with adiponectin levels in obese and in uNAFLD patients. uNAFLD patients also showed a positive correlation between cPDR30 values and adiponectin. Our data indicate the existence of early alterations of liver function in obese and in patients with uNAFLD. These dysfunctions are linked to altered leptin/adiponectin balance and can be identified noninvasively by (13C)-MBT.
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Affiliation(s)
- Agostino Di Ciaula
- Clinica Medica "A. Murri", Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari 70124, Italy.
| | - Federico Carbone
- First Clinic of internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy; IRCCS Ospedale Policlinico San Martino, Genoa - Italian Cardiovascular Network, 10 Largo Benzi, 16132 Genoa, Italy..
| | - Harshitha Shanmugham
- Clinica Medica "A. Murri", Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari 70124, Italy
| | - Emilio Molina-Molina
- Clinica Medica "A. Murri", Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari 70124, Italy
| | - Leonilde Bonfrate
- Clinica Medica "A. Murri", Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari 70124, Italy.
| | - Stefano Ministrini
- Internal Medicine, Department of Medicine, Università degli Studi di Perugia, 1 piazzale Gambuli, 06129, Perugia, Italy
| | - Fabrizio Montecucco
- First Clinic of internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy; IRCCS Ospedale Policlinico San Martino, Genoa - Italian Cardiovascular Network, 10 Largo Benzi, 16132 Genoa, Italy..
| | - Piero Portincasa
- Clinica Medica "A. Murri", Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari 70124, Italy.
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Byun J, Shin JE, Choi Y, Choung S. Oyster hydrolysate ameliorates ethanol diet‐induced alcoholic fatty liver by regulating lipid metabolism in rats. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.14983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Jae‐Hyuk Byun
- Department of Life and Nanopharmaceutical Sciences Graduate School Kyung Hee University Seoul02447Korea
| | - Ji Eun Shin
- Department of Life and Nanopharmaceutical Sciences Graduate School Kyung Hee University Seoul02447Korea
| | - Yeung‐Joon Choi
- Department of Seafood Science and Technology/Institute of Marine Industry Gyeongsang National University Gyeongnam650‐160Korea
| | - Se‐Young Choung
- Department of Life and Nanopharmaceutical Sciences Graduate School Kyung Hee University Seoul02447Korea
- Department of Preventive Pharmacy and Toxicology College of Pharmacy Kyung Hee University Seoul Korea
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Li X, Wan T, Li Y. Role of FoxO1 in regulating autophagy in type 2 diabetes mellitus (Review). Exp Ther Med 2021; 22:707. [PMID: 34007316 PMCID: PMC8120662 DOI: 10.3892/etm.2021.10139] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 02/09/2021] [Indexed: 12/11/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a major chronic disease that is characterized by pancreatic β-cell dysfunction and insulin resistance. Autophagy is a highly conserved intracellular recycling pathway and is involved in regulating intracellular homeostasis. Transcription factor Forkhead box O1 (FoxO1) also regulates fundamental cellular processes, including cell differentiation, metabolism and apoptosis, and proliferation to cellular stress. Increasing evidence suggest that autophagy and FoxO1 are involved in the pathogenesis of T2DM, including β-cell viability, apoptosis, insulin secretion and peripheral insulin resistance. Recent studies have demonstrated that FoxO1 improves insulin resistance by regulating target tissue autophagy. The present review summarizes current literature on the role of autophagy and FoxO1 in T2DM. The participation of FoxO1 in the development and occurrence of T2DM via autophagy is also discussed.
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Affiliation(s)
- Xiudan Li
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Tingting Wan
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Yanbo Li
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
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20
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Paganoti CDF, da Costa RA, Oliveira AMDSS, Hoshida MS, Francisco RPV. Adiponectin does not improve the prediction of insulin need in pregnant women with gestational diabetes mellitus. ENDOCRINE AND METABOLIC SCIENCE 2021. [DOI: 10.1016/j.endmts.2021.100095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
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21
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Wijesinghe SN, Nicholson T, Tsintzas K, Jones SW. Involvements of long noncoding RNAs in obesity-associated inflammatory diseases. Obes Rev 2021; 22:e13156. [PMID: 33078547 DOI: 10.1111/obr.13156] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/24/2020] [Accepted: 09/25/2020] [Indexed: 12/15/2022]
Abstract
Obesity is associated with chronic low-grade inflammation that affects the phenotype of multiple tissues and therefore is implicated in the development and progression of several age-related chronic inflammatory disorders. Importantly, a new family of noncoding RNAs, termed long noncoding RNAs (lncRNAs), have been identified as key regulators of inflammatory signalling pathways that can mediate both pretranscriptional and posttranscriptional gene regulation. Furthermore, several lncRNAs have been identified, which are differentially expressed in multiple tissue types in individuals who are obese or in preclinical models of obesity. In this review, we examine the evidence for the role of several of the most well-studied lncRNAs in the regulation of inflammatory pathways associated with obesity. We highlight the evidence for their differential expression in the obese state and in age-related conditions including insulin resistance, type 2 diabetes (T2D), sarcopenia, osteoarthritis and rheumatoid arthritis, where obesity plays a significant role. Determining the expression and functional role of lncRNAs in mediating obesity-associated chronic inflammation will advance our understanding of the epigenetic regulatory pathways that underlie age-related inflammatory diseases and may also ultimately identify new targets for therapeutic intervention.
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Affiliation(s)
- Susanne N Wijesinghe
- Institute of Inflammation and Ageing, MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
| | - Thomas Nicholson
- Institute of Inflammation and Ageing, MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
| | - Kostas Tsintzas
- MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Simon W Jones
- Institute of Inflammation and Ageing, MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
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22
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Hu S, Du M, Su L, Yang H. Phosphatidylserine from Portunus trituberculatus Eggs Alleviates Insulin Resistance and Alters the Gut Microbiota in High-Fat-Diet-Fed Mice. Mar Drugs 2020; 18:md18090483. [PMID: 32971772 PMCID: PMC7551936 DOI: 10.3390/md18090483] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 08/31/2020] [Accepted: 09/10/2020] [Indexed: 02/08/2023] Open
Abstract
Portunus trituberculatus eggs contain phospholipids, whose components and bioactivity are unclear. Here, we investigated the fatty acid composition of phosphatidylserine from P. trituberculatus eggs (Pt-PS). Moreover, its effects on insulin resistance and gut microbiota were also evaluated in high-fat-diet-fed mice. Our results showed that Pt-PS accounted for 26.51% of phospholipids and contained abundant polyunsaturated fatty acids (more than 50% of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA)). Animal experiments indicated that Pt-PS significantly decreased body weight and adipose weight gain, improved hyperglycemia and hyperinsulinemia, mitigated insulin resistance, and regulated circulatory cytokines. Pt-PS activated insulin receptor substrate 1 (IRS1) and increased the levels of IRS1-associated phosphatidylinositol 3-hydroxy kinase (PI3K), phosphorylated protein kinase B (Akt) protein, and plasma membrane glucose transporter 4 protein. Furthermore, Pt-PS modified the gut microbiota, inducing, especially, a dramatic decrease in the ratio of Firmicutes to Bacteroidetes at the phylum level, as well as a remarkable improvement in their subordinate categories. Pt-PS also reduced fecal lipopolysaccharide concentration and enhanced fecal acetate, propionate, and butyrate concentrations. Additionally, the effects of Pt-PS on alleviation of insulin resistance and regulation of intestinal bacteria were better than those of phosphatidylserine from soybean. These results suggest that Pt-PS mitigates insulin resistance by altering the gut microbiota. Therefore, Pt-PS may be developed as an effective food supplement for the inhibition of insulin resistance and the regulation of human gut health.
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Affiliation(s)
- Shiwei Hu
- Innovation Application Institute, Zhejiang Ocean University, Zhoushan 316022, China; (S.H.); (M.D.)
| | - Mengyu Du
- Innovation Application Institute, Zhejiang Ocean University, Zhoushan 316022, China; (S.H.); (M.D.)
| | - Laijin Su
- Wenzhou Academy of Agricultural Science, Wenzhou Characteristic Food Resources Engineering and Technology Research Center, Wenzhou 325006, China
- Correspondence: ; Tel.: +86-0580-8129858
| | - Huicheng Yang
- Zhejiang Marine Development Research Institute, Zhoushan 316021, China;
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Ragusa R, Di Molfetta A, Amodeo A, Trivella MG, Caselli C. Pathophysiology and molecular signalling in pediatric heart failure and VAD therapy. Clin Chim Acta 2020; 510:751-759. [PMID: 32949569 DOI: 10.1016/j.cca.2020.09.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 09/04/2020] [Accepted: 09/09/2020] [Indexed: 02/06/2023]
Abstract
Heart Failure (HF) is a progressive clinical syndrome characterized by molecular and structural abnormalities that result in impaired ventricular filling and a reduced blood ejection. In pediatric patients, HF represents an important cause of morbidity and mortality, but underlying cause, presentation and disease course remains unclear in many cases. It is evident that a child is not a "small adult" and findings are not comparable. The adoption of a standardized clinical and surgical tools as well as increased biomolecular research and therapeutic trials targeting pediatric patients with HF would greatly improve the management of this special class of patients. This review examines the most current information about the pathophysiology and molecular mechanisms related to HF in children to identify gaps in our knowledge base to further improve clinical care and outcomes.
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Affiliation(s)
- Rosetta Ragusa
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa, Italy; Institute of Clinical Physiology, CNR, Pisa, Italy
| | - Arianna Di Molfetta
- Department of Cardiothoracic Surgery, Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Antonio Amodeo
- Department of Cardiothoracic Surgery, Ospedale Pediatrico Bambino Gesù, Rome, Italy
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Lin HY, Weng SW, Shen FC, Chang YH, Lian WS, Hsieh CH, Chuang JH, Lin TK, Liou CW, Chang CS, Lin CY, Su YJ, Wang PW. Abrogation of Toll-Like Receptor 4 Mitigates Obesity-Induced Oxidative Stress, Proinflammation, and Insulin Resistance Through Metabolic Reprogramming of Mitochondria in Adipose Tissue. Antioxid Redox Signal 2020; 33:66-86. [PMID: 31950846 DOI: 10.1089/ars.2019.7737] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Aims: Obesity-induced excessive visceral fat (VF) accumulation is associated with insulin resistance (IR), systemic oxidative stress, and chronic inflammation. As toll-like receptor 4 (TLR4) plays an important role in innate immunity, we herein investigate the effect of TLR4 knockout (T4KO) in a high-fat high-sucrose diet (HFD)-induced obesity mouse model. Results: C57BL6 wild-type (WT) and T4KO mice were fed with either control diet (CD) or HFD for 12 months, rendering four experimental groups: WT+CD, WT+HFD, T4KO+CD, and T4KO+HFD. Compared with WT+CD, WT+HFD demonstrated significant increase in VF accumulation, oxidative damage, M1/M2 macrophage ratio, chronic inflammation, and development of IR. Compared with WT+HFD, T4KO+HFD presented increased BW and body fat with higher subcutaneous fat (SF)/VF ratio, but lower body temperature, as well as decreased oxidative damage, M1/M2 macrophage ratio, chronic inflammation, and IR. Unlike WT+HFD, T4KO+HFD exhibited an increase in mitochondrial electron transport chain activity but a decrease of uncoupling protein 2 (UCP2) level. While T4KO hindered HFD-induced increasing mitochondrial oxygen consumption rate, a shift toward a higher extracellular acidification rate in VF was observed. Notably, T4KO inhibits HFD-induced mitochondrial translocation of nuclear factor of activated T cells 2 (NFATC2), which contributed to mitochondrial metabolic reprogramming. Both fat distribution shifting from VF to SF and mitochondrial metabolic reprogramming may alleviate systemic oxidative stress and chronic inflammation. Innovation and Conclusion: Abrogation of TLR4 contributes to reduction of oxidative stress through metabolic reprogramming of mitochondria in VF, mitigating obesity-induced IR. The study provides critical insight into associating innate immunity-mitochondria interplay with prevention of diabetes.
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Affiliation(s)
- Hung-Yu Lin
- Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Center for Mitochondrial Research and Medicine; Departments of Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Shao-Wen Weng
- Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Feng-Chih Shen
- Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yen-Hsiang Chang
- Nuclear Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Wei-Shiung Lian
- Medical Research and Core Laboratory for Phenomics and Diagnostics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Ching-Hua Hsieh
- Plastic and Reconstructive Surgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Jiin-Haur Chuang
- Center for Mitochondrial Research and Medicine; Departments of Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Pediatric Surgery, and Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Tsu-Kung Lin
- Center for Mitochondrial Research and Medicine; Departments of Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Neurology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Chia-Wei Liou
- Center for Mitochondrial Research and Medicine; Departments of Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Neurology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Chia-Shiang Chang
- Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Center for Mitochondrial Research and Medicine; Departments of Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Ching-Yi Lin
- Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Center for Mitochondrial Research and Medicine; Departments of Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yu-Jih Su
- Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Pei-Wen Wang
- Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Center for Mitochondrial Research and Medicine; Departments of Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
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25
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Adiponectin and Cognitive Decline. Int J Mol Sci 2020; 21:ijms21062010. [PMID: 32188008 PMCID: PMC7139651 DOI: 10.3390/ijms21062010] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 03/10/2020] [Accepted: 03/13/2020] [Indexed: 12/11/2022] Open
Abstract
Adiponectin (ADPN) is a plasma protein secreted by adipose tissue showing pleiotropic effects with anti-diabetic, anti-atherogenic, and anti-inflammatory properties. Initially, it was thought that the main role was only the metabolism control. Later, ADPN receptors were also found in the central nervous system (CNS). In fact, the receptors AdipoR1 and AdipoR2 are expressed in various areas of the brain, including the hypothalamus, hippocampus, and cortex. While AdipoR1 regulates insulin sensitivity through the activation of the AMP-activated protein kinase (AMPK) pathway, AdipoR2 stimulates the neural plasticity through the activation of the peroxisome proliferator-activated receptor alpha (PPARα) pathway that inhibits inflammation and oxidative stress. Overall, based on its central and peripheral actions, ADPN appears to have neuroprotective effects by reducing inflammatory markers, such as C-reactive protein (PCR), interleukin 6 (IL6), and Tumor Necrosis Factor a (TNFa). Conversely, high levels of inflammatory cascade factors appear to inhibit the production of ADPN, suggesting bidirectional modulation. In addition, ADPN appears to have insulin-sensitizing action. It is known that a reduction in insulin signaling is associated with cognitive impairment. Based on this, it is of great interest to investigate the mechanism of restoration of the insulin signal in the brain as an action of ADPN, because it is useful for testing a possible pharmacological treatment for the improvement of cognitive decline. Anyway, if ADPN regulates neuronal functioning and cognitive performances by the glycemic metabolic system remains poorly explored. Moreover, although the mechanism is still unclear, women compared to men have a doubled risk of developing cognitive decline. Several studies have also supported that during the menopausal transition, the estrogen reduction can adversely affect the brain, in particular, verbal memory and verbal fluency. During the postmenopausal period, in obese and insulin-resistant individuals, ADPN serum levels are significantly reduced. Our recent study has evaluated the relationship between plasma ADPN levels and cognitive performances in menopausal women. Thus, the aim of this review is to summarize both the mechanisms and the effects of ADPN in the central nervous system and the relationship between plasma ADPN levels and cognitive performances, also in menopausal women.
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26
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Zhang QS, Tian FW, Zhao JX, Zhang H, Zhai QX, Chen W. The influence of dietary patterns on gut microbiome and its consequences for nonalcoholic fatty liver disease. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2019.12.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Sevastianos VA, Voulgaris TA, Dourakis SP. Hepatitis C, systemic inflammation and oxidative stress: correlations with metabolic diseases. Expert Rev Gastroenterol Hepatol 2020; 14:27-37. [PMID: 31868062 DOI: 10.1080/17474124.2020.1708191] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: Hepatitis C chronic infection has long been correlated with numerous systemic diseases, such as diabetes mellitus and hepatic steatosis. Recent studies have also revealed an association with atherosclerosis.Areas covered: An analysis is presented on the mechanisms through which the hepatitis C viral infection can lead to a systemic increase in pro-inflammatory markers, especially tumor necrosis factor-a and interleukin-6. The immunological imbalance created may, through different mechanisms, act on the metabolic pathways that contribute to the development of insulin resistance, the accumulation of lipids in the liver, and even the formation of atherosclerotic plaques. Moreover, an additional contributing factor to the above-mentioned metabolic derangements is the unopposed oxidative stress observed in chronic hepatitis C viral infection. The virus itself contributes to the formation of oxidative stress, through alterations in the trace metal homeostasis and its effect on pro-inflammatory cytokines, such as tumor necrosis factor-a.Expert opinion: The scope of this review is to emphasize the importance of the metabolic manifestations of hepatitis C viral infection and to elucidate the pathophysiological mechanisms behind their emergence.
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Affiliation(s)
- Vassilios A Sevastianos
- Department of Internal Medicine and Liver Outpatient Clinic, "Evangelismos" General Hospital, Athens, Greece
| | - Theodoros A Voulgaris
- Department of Internal Medicine and Liver Outpatient Clinic, "Evangelismos" General Hospital, Athens, Greece
| | - Spyros P Dourakis
- Department of Internal Μedicine, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens Ippokrateio, Athens, Greece
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Muñoz-Prieto A, Martínez-Subiela S, Caldin M, Cerón JJ, Tvarijonaviciute A. Use of proteases for the evaluation of the different adiponectin isoforms in the dog. Domest Anim Endocrinol 2020; 70:106380. [PMID: 31479926 DOI: 10.1016/j.domaniend.2019.07.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/20/2019] [Accepted: 07/20/2019] [Indexed: 11/23/2022]
Abstract
Adiponectin (ADP) is an adipokine secreted by adipose tissue with anti-inflammatory, antiatherogenic, and antidiabetic properties. In human serum, it is presented as three different forms: low molecular weight (LMW), medium molecular weight (MMW), and high molecular weight (HMW). High molecular weight isomer is the most active form of ADP and is more closely related with obesity-induced insulin resistance and metabolic syndrome than total ADP. Selective protease treatment can be used in humans to isolate the different ADP isoforms but this has not been applied in any veterinary species. Therefore, the objective of this study was to evaluate if the selective protease digestion is able to differentiate serum ADP isomers in dog samples, and if these isomers could change in obese dogs after a weight loss program. A Western blotting analysis confirmed that digestion with protease K showed only the HMW forms of ADP, whereas the use of protease A showed the HMW and MMW forms. This specific protease digestion was applied to serum obtained from 14 obese beagle dogs before and after a weight loss program and total ADP, HMW, and LMW forms increased significantly after the weight reduction. In conclusion, the use of selective protease digestion can be applied in canine serum as a procedure for detecting the different ADP isomers. In addition, by this procedure, it was showed that the HMW and LMW forms were increased after a weight loss program in our experimental conditions.
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Affiliation(s)
- A Muñoz-Prieto
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - S Martínez-Subiela
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain.
| | - M Caldin
- San Marco Veterinary Clinic, Via Dell'Industria 3, Veggiano, Padua, Italy
| | - J J Cerón
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - A Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
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Liu W, Sun H, Zhou Y, Li Y, Qin Y, Li R, Chen Y, Yu L, Zhao M, Zhang W, Xu Y. Goat Milk Consumption Ameliorates Abnormalities in Glucose Metabolism and Enhances Hepatic and Skeletal Muscle AMP-Activated Protein Kinase Activation in Rats Fed with High-Fat Diets. Mol Nutr Food Res 2019; 63:e1900703. [PMID: 31750605 DOI: 10.1002/mnfr.201900703] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 11/13/2019] [Indexed: 12/15/2022]
Abstract
SCOPE Diabetes endangers health and causes serious economic impediment. The aim of this study is to identify the effects of goat milk consumption on glucose metabolism of rats with high-fat (HF) diet. METHODS AND RESULTS Sixty male Sprague Dawley rats are divided into five groups and fed with different diets for 24 weeks: goat-milk-based HF diet (GHF group; goat milk powder+HF diet), cow-milk-based HF diet (CHF group; cow milk powder+HF diet), HF diet, HF diet plus acarbose (HF+A group; acarbose+HF diet), and chow diet (CD group). Fasting glucose in GHF-fed rats are lower than HF-fed rats on weeks 16 and 20. GHF-fed rats display improved insulin sensitivity in oral glucose and insulin tolerance tests. Compared with HF-fed rats, glycated hemoglobin and triglycerides in GHF-fed rats are lower and high-density lipoprotein level is higher. AMP-activated protein kinase activation (AMPK) in the liver and skeletal muscle is higher in GHF rats than HF rats. Phosphoenolpyruvate carboxykinase and glucose 6-phosphatase protein levels in the liver are lower and hexokinase 2 protein level in the skeletal muscle is higher in GHF rats compared with HF rats. CONCLUSION Goat milk consumption can ameliorate abnormalities in glucose metabolism, and AMPK pathway in the liver and skeletal muscle plays an important role in the process.
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Affiliation(s)
- Wei Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China
| | - Han Sun
- Research and Development Department, Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing, 100015, China
| | - Yalin Zhou
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China
| | - Yong Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China
| | - Yong Qin
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China
| | - Ruijun Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China
| | - Yuhan Chen
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China
| | - Lanlan Yu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China
| | - Mengya Zhao
- Research and Development Department, Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing, 100015, China
| | - Wei Zhang
- Research and Development Department, Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Chaoyang, Beijing, 100015, China
| | - Yajun Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China.,Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Xueyuan Road 38, Haidian, Beijing, 100083, China
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30
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Phloretin and phloridzin improve insulin sensitivity and enhance glucose uptake by subverting PPARγ/Cdk5 interaction in differentiated adipocytes. Exp Cell Res 2019; 383:111480. [PMID: 31279631 DOI: 10.1016/j.yexcr.2019.06.025] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 06/20/2019] [Accepted: 06/22/2019] [Indexed: 11/21/2022]
Abstract
Activators of peroxisome proliferator-activated receptor-γ (PPARγ agonists) are therapeutically promising candidates against insulin resistance and hyperglycemia. Synthetic PPARγ agonists are known to effectively enhance insulin sensitivity, but these are also associated with adverse side-effects and rising cost of treatment. Therefore, natural PPARγ targeting ligands are desirable alternatives for the management of insulin resistance associated with type 2 diabetes. Phloretin (PT) and Phloridzin (PZ) are predominant apple phenolics, which are recognized for their various pharmacological functions. The present study assessed the potential of PT and PZ in enhancing insulin sensitivity and glucose uptake by inhibiting Cdk5 activation and corresponding PPARγ phosphorylation in differentiated 3T3L1 cells. In silico docking and subsequent validation using 3T3L1 cells revealed that PT and PZ not only block the ser273 site of PPARγ but also inhibit the activation of Cdk5 itself, thereby, indicating their potent PPARγ regulatory attributes. Corroborating this, application of PT and PZ significantly enhanced the accumulation of cellular triglycerides as well as expression of insulin-sensitizing genes in adipocytes ultimately resulting in improved glucose uptake. Taken together, the present study reports that PT and PZ inhibit Cdk5 activation, which could be directly influencing the apparent PPARγ inhibition at ser273, ultimately resulting in improved insulin sensitivity and glucose uptake.
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31
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Krattenmacher N, Thaller G, Tetens J. Analysis of the genetic architecture of energy balance and its major determinants dry matter intake and energy-corrected milk yield in primiparous Holstein cows. J Dairy Sci 2019; 102:3241-3253. [DOI: 10.3168/jds.2018-15480] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 12/13/2018] [Indexed: 01/21/2023]
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32
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Developmental programming: Changes in mediators of insulin sensitivity in prenatal bisphenol A-treated female sheep. Reprod Toxicol 2019; 85:110-122. [PMID: 30853570 DOI: 10.1016/j.reprotox.2019.03.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 02/26/2019] [Accepted: 03/04/2019] [Indexed: 12/12/2022]
Abstract
Developmental exposure to endocrine disruptor bisphenol A (BPA) is associated with metabolic defects during adulthood. In sheep, prenatal BPA treatment causes insulin resistance (IR) and adipocyte hypertrophy in the female offspring. To determine if changes in insulin sensitivity mediators (increase in inflammation, oxidative stress, and lipotoxicity and/or decrease in adiponectin) and the intracrine steroidal milieu contributes to these metabolic perturbations, metabolic tissues collected from 21-month-old female offspring born to mothers treated with 0, 0.05, 0.5, or 5 mg/kg/day of BPA were studied. Findings showed prenatal BPA in non-monotonic manner (1) increased oxidative stress; (2) induced lipotoxicity in liver and muscle; and (3) increased aromatase and estrogen receptor expression in visceral adipose tissues. These changes are generally associated with the development of peripheral and tissue level IR and may explain the IR status and adipocyte hypertrophy observed in prenatal BPA-treated female sheep.
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Oliveira CT, Lacerda DR, Zicker MC, Martins LB, Teixeira MM, de Araujo RLB, Ferreira AVM. Ginger (Zingiber officinale Rosc.) Ameliorated Metabolic and Inflammatory Dysfunction Induced by High-Refined Carbohydrate-Containing Diet in Mice. J Med Food 2019; 22:38-45. [PMID: 30362875 DOI: 10.1089/jmf.2018.0062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
This study aimed to evaluate the effects and the mechanisms of ginger extract intake in the adiposity gain, metabolic and inflammatory disturbances induced by a high-refined carbohydrate (HC) diet in mice. Ginger extract at doses of 200, 600, and 1800 mg/kg was supplemented in the daily food of obese Balb/c mice during an 8-week experiment. Our findings indicate that consumption of high doses of ginger extracts prevents the increase of adiposity induced by HC diet, improves lipid profile, and promotes decrease of inflammatory markers in mice. We showed that ginger addition to HC diet leads to decrease in the recruitment of cells visualized in vivo in the microvasculature of adipose tissue, decrease of inflammatory cytokines, and increase of adiponectin serum levels. These results indicate that the consumption of ginger decreases the negative metabolic consequences induced by HC diet.
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Affiliation(s)
- Cíntia Tarabal Oliveira
- 1 Department of Food Science, Faculty of Pharmacy, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Débora Romualdo Lacerda
- 1 Department of Food Science, Faculty of Pharmacy, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Marina Campos Zicker
- 1 Department of Food Science, Faculty of Pharmacy, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Laís Bhering Martins
- 1 Department of Food Science, Faculty of Pharmacy, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Mauro Martins Teixeira
- 2 Immunopharmacology, Department of Biochemistry and Immunology, Institute of Biological Sciences, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
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Potency of Cape Gooseberry (Physalis Peruviana) Juice in Improving Antioxidant and Adiponectin Level of High Fat Diet Streptozotocin Rat Model. ROMANIAN JOURNAL OF DIABETES NUTRITION AND METABOLIC DISEASES 2018. [DOI: 10.2478/rjdnmd-2018-0029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Abstract
Background and aims: Quercetin belonging flavonoid has a role to improve diabetic condition. Research aimed to examine and to compare Cape Gooseberry (CG) juice and quercetin supplement on Total Antioxidant Capacity (TAC) and adiponectin level of high fat diet-Streptozotocin (HFD-STZ) induced rat.
Material and method: CG juice 5 ml/kg/d (X1) and 25 ml/kg/d (X2) groups; and quercetin supplement 2.2 mg/kg/d (X3) and 30 mg/kg/d (X4) groups were compared with both of positive (K+) and negative (K-) control. Treatments were given by orally gavage for 28 days to 36 Wistar rats which each group consisted of 6 rats. TAC and adiponectin level were measured by ABTS and ELISA method respectively.
Results: There was significantly increase of TAC in treatment groups compared with K(+) (p<0.05). X2 had TAC level significantly higher than X1 (p=0.025). Moreover, adiponectin level of treatment groups were significantly higher than K(+) (p<0.05). Furthermore, X2 had adiponectin level significantly higher than X3 (p<0.001).
Conclusion: CG juice 25 ml/kg/d presented better effect than CG juice 5 ml/kg/d, although quercetin 30 mg/kg/d showed the best effects toward both of TAC and adiponectin.
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Vitali M, Dimauro C, Sirri R, Zappaterra M, Zambonelli P, Manca E, Sami D, Lo Fiego DP, Davoli R. Effect of dietary polyunsaturated fatty acid and antioxidant supplementation on the transcriptional level of genes involved in lipid and energy metabolism in swine. PLoS One 2018; 13:e0204869. [PMID: 30286141 PMCID: PMC6171869 DOI: 10.1371/journal.pone.0204869] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 09/14/2018] [Indexed: 01/15/2023] Open
Abstract
Porcine fat traits depend mostly on the interaction between nutritional and genetic factors. However, the pathways and biological processes influenced by this interaction are still poorly known in pigs, although they can have a huge impact on meat quality traits. The present research provides new knowledge insight into the effect of four diets (D1 = standard diet; D2 = linseed supplementation; D3 = linseed, vitamin E and selenium supplementation; D4 = linseed and plant-derived polyphenols supplementation) on the expression of 24 candidate genes selected for their role in lipid and energy metabolism. The data indicated that 10 out of 24 genes were differentially expressed among diets, namely ACACA, ADIPOQ, ADIPOR1, CHREBP (MLXPL), ELOVL6, FASN, G6PD, PLIN2, RXRA and SCD. Results from the univariate analysis displayed an increased expression of ACACA, ADIPOQ, ADIPOR1, CHREBP, ELOVL6, FASN, PLIN2, RXRA and SCD in D4 compared to D2. Similarly, ACACA, ADIPOQ, ADIPOR1, ELOVL6 and SCD were highly expressed in D4 compared to D3, while no differences were observed in D2-D3 comparison. Moreover, an increased expression of G6PD and ELOVL6 genes in D4 compared to D1 was observed. Results from the multivariate analysis confirmed that D2 was not different from D3 and that ACACA, SCD and FASN expression made D4 different from D2 and D3. Comparing D4 and D1, the expression levels of ELOVL6 and ACACA were the most influenced. This research provides evidence that the addition of both n-3 PUFA and polyphenols, derived from linseed, grape-skin and oregano supplementation in the diets, stimulates the expression of genes involved in lipogenesis and in oxidative processes. Results evidenced a greater effect on gene expression of the diet added with both plant extracts and n-3 PUFA, resulting in an increased expression of genes coding for fatty acid synthesis, desaturation and elongation in pig Longissimus thoracis muscle.
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Affiliation(s)
- Marika Vitali
- Interdepartmental Centre of Industrial Agrifood Research (CIRI- AGRO) University of Bologna, Cesena, Italy
| | - Corrado Dimauro
- Department of Agronomy, University of Sassari, Sassari, Italy
- * E-mail: (CD); (RD)
| | - Rubina Sirri
- Interdepartmental Centre of Industrial Agrifood Research (CIRI- AGRO) University of Bologna, Cesena, Italy
| | - Martina Zappaterra
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Bologna, Italy
| | - Paolo Zambonelli
- Interdepartmental Centre of Industrial Agrifood Research (CIRI- AGRO) University of Bologna, Cesena, Italy
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Bologna, Italy
| | | | - Dalal Sami
- Interdepartmental Centre of Industrial Agrifood Research (CIRI- AGRO) University of Bologna, Cesena, Italy
| | - Domenico Pietro Lo Fiego
- Department of Life Sciences, University of Modena and Reggio-Emilia, Reggio Emilia, Italy
- Interdepartmental Research Centre for Agri-Food Biological Resources Improvement and Valorisation (BIOGEST-SITEIA), University of Modena and Reggio Emilia, Reggio Emilia, Italy
| | - Roberta Davoli
- Interdepartmental Centre of Industrial Agrifood Research (CIRI- AGRO) University of Bologna, Cesena, Italy
- Department of Agronomy, University of Sassari, Sassari, Italy
- * E-mail: (CD); (RD)
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Appari M, Channon KM, McNeill E. Metabolic Regulation of Adipose Tissue Macrophage Function in Obesity and Diabetes. Antioxid Redox Signal 2018; 29:297-312. [PMID: 28661198 PMCID: PMC6012981 DOI: 10.1089/ars.2017.7060] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
SIGNIFICANCE Obesity and diabetes are associated with chronic activation of inflammatory pathways that are important mechanistic links between insulin resistance (IR), type 2 diabetes (T2D), and cardiovascular disease pathogenesis. The development of these metabolic diseases is associated with changes in both the number and phenotype of adipose tissue macrophages (ATMs). Emerging lines of evidence have shown that ATMs release proinflammatory cytokines similar to classically activated M1 macrophages, which directly contribute to IR or T2D. In contrast, adipose tissue (AT) from lean healthy individuals contains macrophages with a less inflammatory M2 phenotype. Recent Advances: Recent research has shown that macrophage phenotype is linked to profound changes in macrophage cellular metabolism. CRITICAL ISSUES This review focuses on the role of macrophages in AT inflammation and obesity, and the metabolic changes in macrophage function that occur with activation that underpin their role in the pathogenesis of IR and T2D. We highlight current targets for altering macrophage metabolism from both within the field of metabolic disease and AT biology and more widely within inflammatory biology. FUTURE DIRECTIONS As our knowledge of macrophage metabolic programming in AT builds, there will be increasing scope for targeting this aspect of macrophage biology as a therapeutic strategy in metabolic diseases. Antioxid. Redox Signal. 29, 297-312.
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Affiliation(s)
- Mahesh Appari
- 1 Division of Cardiovascular Medicine, British Heart Foundation Centre for Research Excellence, John Radcliffe Hospital, University of Oxford , Oxford, United Kingdom .,2 Wellcome Trust Centre for Human Genetics, University of Oxford , Oxford, United Kingdom
| | - Keith M Channon
- 1 Division of Cardiovascular Medicine, British Heart Foundation Centre for Research Excellence, John Radcliffe Hospital, University of Oxford , Oxford, United Kingdom .,2 Wellcome Trust Centre for Human Genetics, University of Oxford , Oxford, United Kingdom
| | - Eileen McNeill
- 1 Division of Cardiovascular Medicine, British Heart Foundation Centre for Research Excellence, John Radcliffe Hospital, University of Oxford , Oxford, United Kingdom .,2 Wellcome Trust Centre for Human Genetics, University of Oxford , Oxford, United Kingdom
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Keskitalo A, Munukka E, Toivonen R, Hollmén M, Kainulainen H, Huovinen P, Jalkanen S, Pekkala S. Enterobacter cloacae administration induces hepatic damage and subcutaneous fat accumulation in high-fat diet fed mice. PLoS One 2018; 13:e0198262. [PMID: 29847581 PMCID: PMC5976205 DOI: 10.1371/journal.pone.0198262] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 05/16/2018] [Indexed: 12/14/2022] Open
Abstract
Accumulating evidence indicates that gut microbiota plays a significant role in obesity, insulin resistance and associated liver disorders. Family Enterobacteriaceae and especially Enterobacter cloacae strain B29 have been previously linked to obesity and hepatic damage. The underlying mechanisms, however, remain unclear. Therefore, we comprehensively examined the effects of E. cloacae subsp. cloacae (ATCC® 13047™) administration on host metabolism of mice fed with high-fat diet (HFD). C57BL/6N mice were randomly divided into HFD control, chow control, and E. cloacae treatment groups. The E. cloacae treatment group received live bacterial cells in PBS intragastrically twice a week, every other week for 13 weeks. Both control groups received PBS intragastrically. After the 13-week treatment period, the mice were sacrificed for gene and protein expression and functional analyses. Our results show that E. cloacae administration increased subcutaneous fat mass and the relative proportion of hypertrophic adipocytes. Both subcutaneous and visceral fat had signs of decreased insulin signaling and elevated lipolysis that was reflected in higher serum glycerol levels. In addition, E. cloacae -treated mice had significantly higher hepatic AST and AST/ALT ratio, and their liver histology indicated fibrosis, demonstrating that E. cloacae subsp. cloacae administration promotes hepatic damage in HFD fed mice.
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Affiliation(s)
- Anniina Keskitalo
- Institute of Biomedicine, University of Turku, Turku, Finland
- Department of Clinical Microbiology, Turku University Hospital, Turku, Finland
| | - Eveliina Munukka
- Department of Clinical Microbiology, Turku University Hospital, Turku, Finland
| | - Raine Toivonen
- Institute of Biomedicine, University of Turku, Turku, Finland
| | - Maija Hollmén
- Institute of Biomedicine, University of Turku, Turku, Finland
- Medicity Research Laboratory, University of Turku, Turku, Finland
| | - Heikki Kainulainen
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Pentti Huovinen
- Institute of Biomedicine, University of Turku, Turku, Finland
| | - Sirpa Jalkanen
- Institute of Biomedicine, University of Turku, Turku, Finland
- Medicity Research Laboratory, University of Turku, Turku, Finland
| | - Satu Pekkala
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
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Long Non-Coding RNAs Associated with Metabolic Traits in Human White Adipose Tissue. EBioMedicine 2018; 30:248-260. [PMID: 29580841 PMCID: PMC5952343 DOI: 10.1016/j.ebiom.2018.03.010] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 03/09/2018] [Accepted: 03/09/2018] [Indexed: 12/25/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) belong to a recently discovered class of molecules proposed to regulate various cellular processes. Here, we systematically analyzed their expression in human subcutaneous white adipose tissue (WAT) and found that a limited set was differentially expressed in obesity and/or the insulin resistant state. Two lncRNAs herein termed adipocyte-specific metabolic related lncRNAs, ASMER-1 and ASMER-2 were enriched in adipocytes and regulated by both obesity and insulin resistance. Knockdown of either ASMER-1 or ASMER-2 by antisense oligonucleotides in in vitro differentiated human adipocytes revealed that both genes regulated adipogenesis, lipid mobilization and adiponectin secretion. The observed effects could be attributed to crosstalk between ASMERs and genes within the master regulatory pathways for adipocyte function including PPARG and INSR. Altogether, our data demonstrate that lncRNAs are modulators of the metabolic and secretory functions in human fat cells and provide an emerging link between WAT and common metabolic conditions.
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Liotti A, Cabaro S, Cimmino I, Ricci S, Procaccini C, Paciello O, Raciti GA, Spinelli R, Iossa S, Matarese G, Miele C, Formisano P, Beguinot F, Oriente F. Prep1 deficiency improves metabolic response in white adipose tissue. Biochim Biophys Acta Mol Cell Biol Lipids 2018; 1863:515-525. [PMID: 29474930 DOI: 10.1016/j.bbalip.2018.02.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 02/09/2018] [Accepted: 02/17/2018] [Indexed: 12/13/2022]
Abstract
Prep1 is a gene encoding for a homeodomain transcription factor which induces hepatic and muscular insulin resistance. In this study, we show that Prep1 hypomorphic heterozygous (Prep1i/+) mice, expressing low levels of protein, featured a 23% and a 25% reduction of total body lipid content and epididymal fat, respectively. The percentage of the small adipocytes (25-75 μm) was 30% higher in Prep1i/+ animals than in the WT, with a reciprocal difference in the large adipose cells (100-150 and >150 μm). Insulin-stimulated insulin receptor tyrosine and Akt serine phosphorylation markedly increased in Prep1i/+ mice, paralleled by 3-fold higher glucose uptake and a significant increase of proadipogenic genes such as C/EBPα, GLUT4, and FABP4. Moreover, T cells infiltration and TNF-α, IFNγ and leptin expression were reduced in adipose tissue from Prep1i/+ mice, while adiponectin levels were 2-fold higher. Furthermore, Prep1i/+ mature adipocytes released lower amounts of pro-inflammatory cytokines and higher amount of adiponectin compared to WT cells. Incubation of murine liver cell line (NMuLi) with conditioned media (CM) from mature adipocytes of Prep1i/+ mice improved glucose metabolism, while those from WT mice had no effect. Consistent with these data, Prep1 overexpression in 3T3-L1 adipocytes impaired adipogenesis and insulin signaling, and increased proinflammatory cytokine secretion. All these findings suggest that Prep1 silencing reduces inflammatory response and increases insulin sensitivity in adipose tissue. In addition, CM from mature adipocytes of Prep1i/+ mice improve metabolism in hepatic cells.
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Affiliation(s)
- Antonietta Liotti
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Serena Cabaro
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Ilaria Cimmino
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Serena Ricci
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Claudio Procaccini
- Laboratory of Immunology, National Council of Research (CNR), Naples, Italy
| | - Orlando Paciello
- Department of Veterinary Medicine and Animal Production, Federico II University of Naples, Naples, Italy
| | - Gregory A Raciti
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Rosa Spinelli
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Susanna Iossa
- Department of Biology, Federico II University of Naples, Naples, Italy
| | - Giuseppe Matarese
- Laboratory of Immunology, National Council of Research (CNR), Naples, Italy
| | - Claudia Miele
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Pietro Formisano
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Francesco Beguinot
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy
| | - Francesco Oriente
- Department of Translational Medicine, Federico II University of Naples and URT "Genomic of Diabetes" of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Naples, Italy.
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Shen X, Li H, Li W, Wu X, Sun Z, Ding X. Telmisartan ameliorates adipoR1 and adipoR2 expression via PPAR-γ activation in the coronary artery and VSMCs. Biomed Pharmacother 2017; 95:129-136. [DOI: 10.1016/j.biopha.2017.08.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 08/05/2017] [Accepted: 08/07/2017] [Indexed: 12/29/2022] Open
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Castillo C, Jaramillo C, Loaiza M, Blanco R. Equine metabolic syndrome in Colombian creole horse: case report. ARQ BRAS MED VET ZOO 2017. [DOI: 10.1590/1678-4162-9119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT The equine metabolic syndrome is a condition that can be recognized because of obesity, insulin resistance and laminitis. Genetic factors could play a role in the occurrence of this syndrome. Certain breeds such as ponies (including the South American creole horses) have a lower sensibility to insulin and a higher prevalence of hyperinsulinemia. The environment and management conditions, such as overfeeding and lack of exercise are factors that bring a propensity for obesity. The adipose tissue works as an endocrine organ producing hormones (adipokines or adipocytokines) that affect the horse´s metabolism. The objective of this report is to describe the first case report of a Colombian creole mare with a metabolic syndrome, diagnosed by means of the combined test of glucose-insulin and clinical signs. Early diagnosis of this entity and an adequate treatment are useful for improving the life and the zootechnical conditions of the patient.
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Affiliation(s)
| | | | - M.J. Loaiza
- Corporación Universitaria Lasallista, Colombia
| | - R. Blanco
- Corporación Universitaria Lasallista, Colombia
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Menale C, Grandone A, Nicolucci C, Cirillo G, Crispi S, Di Sessa A, Marzuillo P, Rossi S, Mita DG, Perrone L, Diano N, Miraglia Del Giudice E. Bisphenol A is associated with insulin resistance and modulates adiponectin and resistin gene expression in obese children. Pediatr Obes 2017; 12:380-387. [PMID: 27187765 DOI: 10.1111/ijpo.12154] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 03/31/2016] [Accepted: 04/25/2016] [Indexed: 12/23/2022]
Abstract
BACKGROUND Bisphenol A (BPA) exposure has been associated with increased incidence of diabetes and obesity in adults. OBJECTIVES To evaluate whether an association between BPA urinary levels and insulin resistance as well as adiponectin and resistin production and serum concentrations may occur in obese children. METHODS Clinical and biochemical features of 141 obese children were collected. Serum resistin and adiponectin were evaluated. Insulin resistance and urinary BPA levels were assessed. Moreover, the effect of BPA on adiponectin and resistin gene expression in adipocytes from eight normal weight prepubertal children was investigated by quantitative real-time RT-PCR (qPCR). RESULTS Direct association between BPA and homeostasis model assessment (r = 0.23; p: 0.0069) and a strong inverse association between BPA and adiponectin have been found (r = -0.48; p < 0.0001). In adipocytes, resistin expression was detected only after BPA treatment, while adiponectin expression resulted down-regulated after BPA exposure (p < 0.05 at both 10 and 100 nM BPA concentrations). CONCLUSIONS We suggest the involvement of BPA in the development of insulin resistance in childhood obesity highlighting that urinary BPA levels are directly associated with insulin resistance regardless of BMI. This association may be explained, at least partly, by the findings that BPA affects resistin and adiponectin production in adipose tissue cultures.
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Affiliation(s)
- Ciro Menale
- Department of Experimental Medicine, Second University of Naples, Naples, Italy.,National Laboratory on Endocrine Disruptors of the National Institute of Biostructures and Biosystems, c/o Institute of Genetics and Biophysics - CNR, Naples, Italy.,Biophysics Laboratory, Institute of Genetics and Biophysics - CNR, Naples, Italy
| | - Anna Grandone
- Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy
| | - Carla Nicolucci
- Department of Experimental Medicine, Second University of Naples, Naples, Italy.,National Laboratory on Endocrine Disruptors of the National Institute of Biostructures and Biosystems, c/o Institute of Genetics and Biophysics - CNR, Naples, Italy.,Department of Experimental Medicine, University of Messina, Messina, Italy
| | - Grazia Cirillo
- Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy
| | - Stefania Crispi
- Gene Expression and Molecular Genetics Laboratory, Institute of Biosciences and Bioresources - CNR Naples, Naples, Italy
| | - Anna Di Sessa
- Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy
| | - Pierluigi Marzuillo
- Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy
| | - Sergio Rossi
- Biophysics Laboratory, Institute of Genetics and Biophysics - CNR, Naples, Italy
| | - Damiano Gustavo Mita
- National Laboratory on Endocrine Disruptors of the National Institute of Biostructures and Biosystems, c/o Institute of Genetics and Biophysics - CNR, Naples, Italy.,Biophysics Laboratory, Institute of Genetics and Biophysics - CNR, Naples, Italy
| | - Laura Perrone
- National Laboratory on Endocrine Disruptors of the National Institute of Biostructures and Biosystems, c/o Institute of Genetics and Biophysics - CNR, Naples, Italy.,Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy
| | - Nadia Diano
- Department of Experimental Medicine, Second University of Naples, Naples, Italy.,National Laboratory on Endocrine Disruptors of the National Institute of Biostructures and Biosystems, c/o Institute of Genetics and Biophysics - CNR, Naples, Italy.,Biophysics Laboratory, Institute of Genetics and Biophysics - CNR, Naples, Italy
| | - Emanuele Miraglia Del Giudice
- National Laboratory on Endocrine Disruptors of the National Institute of Biostructures and Biosystems, c/o Institute of Genetics and Biophysics - CNR, Naples, Italy.,Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy
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Fallah H, Akbari H, Abolhassani M, Mohammadi A, Gholamhosseinian A. Berberis integerrima ameliorates insulin resistance in high- fructose-fed insulin-resistant rats. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2017; 20:1093-1101. [PMID: 29147484 PMCID: PMC5673693 DOI: 10.22038/ijbms.2017.9409] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 08/10/2017] [Indexed: 12/23/2022]
Abstract
OBJECTIVES This study was aimed to investigate the effect of Berberis integerrima (B. integerrima) extract on insulin sensitivity in high-fructose-fed insulin-resistant rats. MATERIALS AND METHODS Experimental rats were randomly divided into two groups: the control group was fed a regular chow diet while other group fed with a high-fructose diet for 8 weeks. After the first six weeks, the animals were treated with B. integerrima extract or pioglitazone for two weeks. Insulin and adiponectin levels were measured by ELISA. Additionally, Insulin resistance was calculated using a Homeostasis Model Assessment of Insulin resistance (HOMA-IR). The plasma free fatty acid (FFA) profile was obtained by gas chromatography. PPARγ and GLUT4 gene expression were assessed by real-time polymerase chain reaction (PCR) and western-blotting. RESULTS Comparing the B. integerrima treated group with the control group, weight gain (P=0.009) and levels of insulin (P=0.001), blood glucose (P<0.0001), and HOMA-IR (P<0.0001) were significantly reduced. Additionally, the adiponectin concentration was significantly increased (P<0.0001). Among the FFA fractions, the mean concentration of palmitoleic acid and stearic acid in the B. integerrima group were significantly higher than the control group (P<0.0001 and P=0.005, respectively). However, there was no significant difference at the mRNA and protein level of GLUT4 and PPAR-γ between B. integerrima treated group and control group. CONCLUSION The study findings revealed that B. integerrima might be a protective candidate against Type 2 diabetes/insulin resistance through direct insulin-like effect and an increase in adiponectin levels. However, the mechanism of B. integerrima was independent of GLUT4 and PPARγ.
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Affiliation(s)
- Hossein Fallah
- Department of Biochemistry, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamed Akbari
- Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
- Student Research Committee, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Moslem Abolhassani
- Student Research Committee, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Abbas Mohammadi
- Department of Biochemistry, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Ahmad Gholamhosseinian
- Department of Biochemistry, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
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Comparison of exenatide and acarbose on intra-abdominal fat content in patients with obesity and type-2 diabetes: A randomized controlled trial. Obes Res Clin Pract 2017; 11:607-615. [DOI: 10.1016/j.orcp.2017.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 12/19/2016] [Accepted: 01/11/2017] [Indexed: 11/20/2022]
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Puttabyatappa M, Andriessen V, Mesquitta M, Zeng L, Pennathur S, Padmanabhan V. Developmental Programming: Impact of Gestational Steroid and Metabolic Milieus on Mediators of Insulin Sensitivity in Prenatal Testosterone-Treated Female Sheep. Endocrinology 2017; 158:2783-2798. [PMID: 28911168 PMCID: PMC5659659 DOI: 10.1210/en.2017-00460] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 06/20/2017] [Indexed: 12/15/2022]
Abstract
Prenatal testosterone (T) excess in sheep leads to peripheral insulin resistance (IR), reduced adipocyte size, and tissue-specific changes, with liver and muscle but not adipose tissue being insulin resistant. To determine the basis for the tissue-specific differences in insulin sensitivity, we assessed changes in negative (inflammation, oxidative stress, and lipotoxicity) and positive mediators (adiponectin and antioxidants) of insulin sensitivity in the liver, muscle, and adipose tissues of control and prenatal T-treated sheep. Because T excess leads to maternal hyperinsulinemia, fetal hyperandrogenism, and functional hyperandrogenism and IR in their female offspring, prenatal and postnatal interventions with antiandrogen, flutamide, and the insulin sensitizer rosiglitazone were used to parse out the contribution of androgenic and metabolic pathways in programming and maintaining these defects. Results showed that (1) peripheral IR in prenatal T-treated female sheep is related to increases in triglycerides and 3-nitrotyrosine, which appear to override the increase in high-molecular-weight adiponectin; (2) liver IR is a function of the increase in oxidative stress (3-nitrotyrosine) and lipotoxicity; (3) muscle IR is related to lipotoxicity; and (4) the insulin-sensitive status of visceral adipose tissue appears to be a function of the increase in antioxidants that likely overrides the increase in proinflammatory cytokines, macrophages, and oxidative stress. Prenatal and postnatal intervention with either antiandrogen or insulin sensitizer had partial effects in preventing or ameliorating the prenatal T-induced changes in mediators of insulin sensitivity, suggesting that both pathways are critical for the programming and maintenance of the prenatal T-induced changes and point to potential involvement of estrogenic pathways.
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Affiliation(s)
| | | | - Makeda Mesquitta
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan 48109
| | - Lixia Zeng
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109
| | - Subramaniam Pennathur
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan 48109
| | - Vasantha Padmanabhan
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan 48109
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan 48109
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Rodríguez MA, Del Rio Barquero LM, Ortez CI, Jou C, Vigo M, Medina J, Febrer A, Ramon-Krauel M, Diaz-Manera J, Olive M, González-Mera L, Nascimento A, Jimenez-Mallebrera C. Differences in Adipose Tissue and Lean Mass Distribution in Patients with Collagen VI Related Myopathies Are Associated with Disease Severity and Physical Ability. Front Aging Neurosci 2017; 9:268. [PMID: 28848425 PMCID: PMC5550692 DOI: 10.3389/fnagi.2017.00268] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 07/26/2017] [Indexed: 12/30/2022] Open
Abstract
Mutations in human collagen VI genes cause a spectrum of musculoskeletal conditions in children and adults collectively termed collagen VI-related myopathies (COL6-RM) characterized by a varying degree of muscle weakness and joint contractures and which include Ullrich Congenital Muscular Dystrophy (UCMD) and Bethlem Myopathy (BM). Given that collagen VI is one of the most abundant extracellular matrix proteins in adipose tissue and its emerging role in energy metabolism we hypothesized that collagen VI deficiency might be associated with alterations in adipose tissue distribution and adipokines serum profile. We analyzed body composition by means of dual-energy X-ray absorptiometry in 30 pediatric and adult COL6-RM myopathy patients representing a range of severities (UCMD, intermediate-COL6-RM, and BM). We found a distinctive pattern of regional adipose tissue accumulation which was more evident in children at the most severe end of the spectrum. In particular, the accumulation of fat in the android region was a distinguishing feature of UCMD patients. In parallel, there was a decrease in lean mass compatible with a state of sarcopenia, particularly in ambulant children with an intermediate phenotype. All children and adult patients that were sarcopenic were also obese. These changes were significantly more pronounced in children with collagen VI deficiency than in children with Duchenne Muscular Dystrophy of the same ambulatory status. High molecular weight adiponectin and leptin were significantly increased in sera from children in the intermediate and BM group. Correlation analysis showed that the parameters of fat mass were negatively associated with motor function according to several validated outcome measures. In contrast, lean mass parameters correlated positively with physical performance and quality of life. Leptin and adiponectin circulating levels correlated positively with fat mass parameters and negatively with lean mass and thus may be relevant to the disease pathogenesis and as circulating markers. Taken together our results indicate that COL6-RM are characterized by specific changes in total fat mass and distribution which associate with disease severity, motor function, and quality of life and which are clinically meaningful and thus should be taken into consideration in the management of these patients.
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Affiliation(s)
- M A Rodríguez
- Neuromuscular Unit, Department of Neuropaediatrics, Institut de Recerca Sant Joan de Déu, Hospital Sant Joan de DéuBarcelona, Spain
| | - Luís M Del Rio Barquero
- Department of Medical Imaging, Hospital Sant Joan de DéuBarcelona, Spain.,CETIR Centre MèdicBarcelona, Spain
| | - Carlos I Ortez
- Neuromuscular Unit, Department of Neuropaediatrics, Institut de Recerca Sant Joan de Déu, Hospital Sant Joan de DéuBarcelona, Spain
| | - Cristina Jou
- Department of Pathology, Hospital Sant Joan de DeuBarcelona, Spain.,Center for Biomedical Research on Rare Diseases, Instituto de Salud Carlos IIIMadrid, Spain
| | - Meritxell Vigo
- Department of Rehabilitation and Physical Medicine, Hospital Sant Joan de DeuBarcelona, Spain
| | - Julita Medina
- Department of Rehabilitation and Physical Medicine, Hospital Sant Joan de DeuBarcelona, Spain
| | - Anna Febrer
- Department of Rehabilitation and Physical Medicine, Hospital Sant Joan de DeuBarcelona, Spain
| | - Marta Ramon-Krauel
- Department of Endocrinology, Institut de Recerca Sant Joan de Deu, Hospital Sant Joan de DeuBarcelona, Spain
| | - Jorge Diaz-Manera
- Neuromuscular Disorders Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autónoma de BarcelonaBarcelona, Spain
| | - Montse Olive
- Department of Pathology and Neuromuscular Unit, Bellvitge Biomedical Research Institute-Hospital de Bellvitge, Hospitalet de LlobregatBarcelona, Spain
| | - Laura González-Mera
- Department of Pathology and Neuromuscular Unit, Bellvitge Biomedical Research Institute-Hospital de Bellvitge, Hospitalet de LlobregatBarcelona, Spain.,Department of Neurology, Hospital de ViladecansBarcelona, Spain
| | - Andres Nascimento
- Neuromuscular Unit, Department of Neuropaediatrics, Institut de Recerca Sant Joan de Déu, Hospital Sant Joan de DéuBarcelona, Spain.,Center for Biomedical Research on Rare Diseases, Instituto de Salud Carlos IIIMadrid, Spain
| | - Cecilia Jimenez-Mallebrera
- Neuromuscular Unit, Department of Neuropaediatrics, Institut de Recerca Sant Joan de Déu, Hospital Sant Joan de DéuBarcelona, Spain.,Center for Biomedical Research on Rare Diseases, Instituto de Salud Carlos IIIMadrid, Spain
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El Akoum S, Haddad Y, Couture R. Impact of pioglitazone and bradykinin type 1 receptor antagonist on type 2 diabetes in high-fat diet-fed C57BL/6J mice. Obes Sci Pract 2017; 3:352-362. [PMID: 29071111 PMCID: PMC5598024 DOI: 10.1002/osp4.117] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Revised: 05/01/2017] [Accepted: 05/19/2017] [Indexed: 01/24/2023] Open
Abstract
Aim Type 2 diabetes (T2D) is a major complication of obesity and a leading cause of morbidity and mortality. Antagonizing bradykinin type 1 receptor (B1R) improved body and tissue fat mass and reversed vascular and adipose tissue inflammation in a rat model of insulin resistance. This study aimed at evaluating further the role of B1R in a mouse model of T2D by comparing the antidiabetic and anti‐inflammatory effects of the B1R antagonist SSR240612 (SSR) in adipose tissue with those of pioglitazone (TZD), an activator of peroxisome proliferator‐activated receptor gamma. Methods C57BL/6J mice were fed with high‐fat diet (HFD) or standard diet (control) for 20 weeks. Yet, during the last 4 weeks, HFD‐fed mice were administered SSR and TZD (10 mg kg−1 d−1 each) as monotherapy or combined therapy subcutaneously. The impact of treatments was measured on metabolic hormones levels (ELISA), adipose tissue inflammatory status and the expression of candidate genes involved in T2D (quantitative real‐time polymerase chain reaction and western blot). Results SSR240612 and TZD treatments improved hyperglycaemia, hyperinsulinaemia, insulin resistance, adipose tissue inflammation (expression of B1R, chemokine ligand 2, F4/80 and tumour necrosis factor) and modulated adipogenesis (peroxisome proliferator‐activated receptor gamma, adipocytes' protein 2 and CD40 expressions) in HFD‐fed mice. Yet, SSR was more effective than TZD to reduce visceral fat mass and resistin. TZD/SSR combined treatment had an additive effect to improve insulin sensitivity and glucose intolerance. Conclusion Bradykinin type 1 receptor antagonism could represent a promising therapeutic tool in combination with TZD for the treatment of T2D, obesity and insulin resistance.
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Affiliation(s)
- S El Akoum
- Département de Microbiologie, Infectiologie et Immunologie, Faculté de Médecine Université de Montréal Montréal Canada.,CHUM Research Center Montréal Canada
| | - Y Haddad
- Département de Pharmacologie et Physiologie, Faculté de Médecine Université de Montréal Montréal Canada
| | - R Couture
- Département de Pharmacologie et Physiologie, Faculté de Médecine Université de Montréal Montréal Canada
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Abenavoli L, Boccuto L. Adiponectin serum level changes and its dynamic relationship with hepatitis C during viral clearance. Virulence 2017; 8:1069-1071. [PMID: 28375793 DOI: 10.1080/21505594.2017.1315498] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Recent evidences suggest that adiponectin is a multifunctional hormone, inversely associated with cardiovascular risk factors, such as blood pressure, low-density lipoprotein cholesterol and triglycerides levels. Literature data are conflicting on the serum adiponectin levels in chronic hepatitis C patients. Here we analyze the interesting study of Chang and coworkers, on the dynamic relationship between adiponectin levels and insulin resistance, in chronic hepatitis C patients during viral clearance.
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Affiliation(s)
- Ludovico Abenavoli
- a Department of Health Sciences , University "Magna Græcia," Catanzaro , Italy
| | - Luigi Boccuto
- b Greenwood Genetic Center , Greenwood , SC , USA.,c Clemson University School of Health Research , Clemson , SC , USA
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49
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Faecalibacterium prausnitzii treatment improves hepatic health and reduces adipose tissue inflammation in high-fat fed mice. ISME JOURNAL 2017; 11:1667-1679. [PMID: 28375212 DOI: 10.1038/ismej.2017.24] [Citation(s) in RCA: 149] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 11/10/2016] [Accepted: 01/27/2017] [Indexed: 02/06/2023]
Abstract
Faecalibacterium prausnitzii is considered as one of the most important bacterial indicators of a healthy gut. We studied the effects of oral F. prausnitzii treatment on high-fat fed mice. Compared to the high-fat control mice, F. prausnitzii-treated mice had lower hepatic fat content, aspartate aminotransferase and alanine aminotransferase, and increased fatty acid oxidation and adiponectin signaling in liver. Hepatic lipidomic analyses revealed decreases in several species of triacylglycerols, phospholipids and cholesteryl esters. Adiponectin expression was increased in the visceral adipose tissue, and the subcutaneous and visceral adipose tissues were more insulin sensitive and less inflamed in F. prausnitzii-treated mice. Further, F. prausnitzii treatment increased muscle mass that may be linked to enhanced mitochondrial respiration, modified gut microbiota composition and improved intestinal integrity. Our findings show that F. prausnitzii treatment improves hepatic health, and decreases adipose tissue inflammation in mice and warrant the need for further studies to discover its therapeutic potential.
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50
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Puttabyatappa M, Irwin A, Martin JD, Mesquitta M, Veiga-Lopez A, Padmanabhan V. Developmental Programming: Gestational Exposure to Excess Testosterone Alters Expression of Ovarian Matrix Metalloproteases and Their Target Proteins. Reprod Sci 2017; 25:882-892. [PMID: 28299992 DOI: 10.1177/1933719117697127] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Prenatal testosterone (T)-treated sheep, similar to women with polycystic ovary syndrome (PCOS), manifests reproductive defects that include multifollicular ovarian phenotype. Women with PCOS manifest increased ovarian matrix metalloproteinases (MMPs) activity. We tested the hypothesis that gestational T excess in sheep would alter ovarian expression of MMPs, tissue inhibitors of MMP (TIMP) and their target proteins laminin B (LAMB), collagen, tumor necrosis factor alpha (TNF), and connexin 43 (GJA1) consistent with increased MMP activity and that these changes are developmentally regulated. The ovarian content of these proteins was quantified by immunohistochemistry in fetal day 90, 140, and adult (21 months of age) ovaries. Prenatal T excess lowered GJA1 protein content in stroma and granulosa cells of primary follicles from fetal day 90 ovaries and decreased stromal MMP9, TIMP1, and LAMB in fetal day 140 ovaries. In the adult, prenatal T-treatment (1) increased MMP9 in theca cells of large preantral follicles and stroma, TNF in granulosa cells of small and large preantral follicles and theca cells of large preantral and antral follicles, and GJA1 in stroma, theca cells of large preantral follicles, and granulosa cells of antral follicles and (2) reduced TIMP1 in stroma, theca cells of large preantral and antral follicles, LAMB in stroma and small prenatral follicles, and collagen content in stroma and around antral follicles. These findings suggest a net increase in MMP activity and its target proteins TNF and GJA1 in prenatal T-treated adult but not in fetal ovaries and their potential involvement in the development of multifollicular morphology.
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Affiliation(s)
| | - Ashleigh Irwin
- 1 Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Jacob D Martin
- 1 Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Makeda Mesquitta
- 1 Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Almudena Veiga-Lopez
- 1 Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA.,2 Department of Animal Sciences, Michigan State University, East Lansing, MI, USA
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