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Targeting Inflammation by Flavonoids: Novel Therapeutic Strategy for Metabolic Disorders. Int J Mol Sci 2019; 20:ijms20194957. [PMID: 31597283 PMCID: PMC6801776 DOI: 10.3390/ijms20194957] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 09/28/2019] [Accepted: 09/30/2019] [Indexed: 12/16/2022] Open
Abstract
A balanced metabolic profile is essential for normal human physiological activities. Disproportions in nutrition give rise to imbalances in metabolism that are associated with aberrant immune function and an elevated risk for inflammatory-associated disorders. Inflammation is a complex process, and numerous mediators affect inflammation-mediated disorders. The available clinical modalities do not effectively address the underlying diseases but rather relieve the symptoms. Therefore, novel targeted agents have the potential to normalize the metabolic system and, thus, provide meaningful therapy to the underlying disorder. In this connection, polyphenols, the well-known and extensively studied phytochemical moieties, were evaluated for their effective role in the restoration of metabolism via various mechanistic signaling pathways. The various flavonoids that we observed in this comprehensive review interfere with the metabolic events that induce inflammation. The mechanisms via which the polyphenols, in particular flavonoids, act provide a promising treatment option for inflammatory disorders. However, detailed clinical studies of such molecules are required to decide their clinical fate.
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202
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Funcke JB, Scherer PE. Beyond adiponectin and leptin: adipose tissue-derived mediators of inter-organ communication. J Lipid Res 2019; 60:1648-1684. [PMID: 31209153 PMCID: PMC6795086 DOI: 10.1194/jlr.r094060] [Citation(s) in RCA: 176] [Impact Index Per Article: 35.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 06/17/2019] [Indexed: 01/10/2023] Open
Abstract
The breakthrough discoveries of leptin and adiponectin more than two decades ago led to a widespread recognition of adipose tissue as an endocrine organ. Many more adipose tissue-secreted signaling mediators (adipokines) have been identified since then, and much has been learned about how adipose tissue communicates with other organs of the body to maintain systemic homeostasis. Beyond proteins, additional factors, such as lipids, metabolites, noncoding RNAs, and extracellular vesicles (EVs), released by adipose tissue participate in this process. Here, we review the diverse signaling mediators and mechanisms adipose tissue utilizes to relay information to other organs. We discuss recently identified adipokines (proteins, lipids, and metabolites) and briefly outline the contributions of noncoding RNAs and EVs to the ever-increasing complexities of adipose tissue inter-organ communication. We conclude by reflecting on central aspects of adipokine biology, namely, the contribution of distinct adipose tissue depots and cell types to adipokine secretion, the phenomenon of adipokine resistance, and the capacity of adipose tissue to act both as a source and sink of signaling mediators.
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Affiliation(s)
- Jan-Bernd Funcke
- Touchstone Diabetes Center, University of Texas Southwestern Medical Center, Dallas, TX
| | - Philipp E Scherer
- Touchstone Diabetes Center, University of Texas Southwestern Medical Center, Dallas, TX
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Roberts HM, Grant MM, Hubber N, Super P, Singhal R, Chapple ILC. Impact of Bariatric Surgical Intervention on Peripheral Blood Neutrophil (PBN) Function in Obesity. Obes Surg 2019; 28:1611-1621. [PMID: 29238916 PMCID: PMC5973997 DOI: 10.1007/s11695-017-3063-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Aim The aim of this study was to investigate the impact of weight loss following gastric band surgery on multiple measures of peripheral blood neutrophil (PBN) function. Material and Methods Twenty-three obese patients undergoing gastric band surgery were recruited to a longitudinal intervention study, alongside non-obese, healthy gender- and age-matched controls. Eighteen pairs of patients and controls completed all stages of the study. PBNs were isolated by density centrifugation and a comprehensive analysis of PBN function was undertaken at various stages of the patients’ bariatric surgical care pathway. Results Obese patients exhibited exaggerated PBN activity in response to various stimuli, characterised by higher reactive oxygen species (ROS) generation (n = 18, p < 0.001) and release of pro-inflammatory cytokines (n = 10, p < 0.05) and lower PBN extracellular trap (NET) formation (n = 18, p < 0.01). PBN chemotactic accuracy was also impaired prior to surgery (n = 18, p < 0.01). Weight loss was associated with normalised NET production and lower ROS production and cytokine release relative to healthy controls. However, chemotactic accuracy remained impaired in patients. Conclusions Weight loss following gastric band surgery was associated with a decrease in the pro-inflammatory activities of peripheral blood neutrophils (PBNs). A hyper-inflammatory PBN phenotype, involving excess ROS and cytokine release, reduced NET formation and chemotaxis, may lead to a reduced ability to eliminate infection, alongside inflammation-mediated tissue damage in obese individuals. Electronic supplementary material The online version of this article (10.1007/s11695-017-3063-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Helen M Roberts
- Periodontal Research Group, School of Dentistry, Institute of Clinical Science, University of Birmingham and Birmingham Dental Hospital (Birmingham Community Healthcare Trust), 5 Mill Pool Way, Edgbaston, Birmingham, B5 7ET, UK
| | - Melissa M Grant
- Periodontal Research Group, School of Dentistry, Institute of Clinical Science, University of Birmingham and Birmingham Dental Hospital (Birmingham Community Healthcare Trust), 5 Mill Pool Way, Edgbaston, Birmingham, B5 7ET, UK.
| | - Naomi Hubber
- Periodontal Research Group, School of Dentistry, Institute of Clinical Science, University of Birmingham and Birmingham Dental Hospital (Birmingham Community Healthcare Trust), 5 Mill Pool Way, Edgbaston, Birmingham, B5 7ET, UK
| | - Paul Super
- Birmingham Heartlands Hospital, Bordesley Green East, B9 5SS, Birmingham, UK
| | - Rishi Singhal
- Birmingham Heartlands Hospital, Bordesley Green East, B9 5SS, Birmingham, UK
| | - Iain L C Chapple
- Periodontal Research Group, School of Dentistry, Institute of Clinical Science, University of Birmingham and Birmingham Dental Hospital (Birmingham Community Healthcare Trust), 5 Mill Pool Way, Edgbaston, Birmingham, B5 7ET, UK
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Yang S, Chen Y, Duan Y, Ma C, Liu L, Li Q, Yang J, Li X, Zhao B, Wang Y, Qian K, Liu M, Zhu Y, Yang X, Han J. Therapeutic potential of NaoXinTong Capsule on the developed diabetic nephropathy in db/db mice. Biomed Pharmacother 2019; 118:109389. [PMID: 31545275 DOI: 10.1016/j.biopha.2019.109389] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/09/2019] [Accepted: 08/22/2019] [Indexed: 12/25/2022] Open
Abstract
The current treatment for diabetic nephropathy (DN) is still limited. NaoXinTong Capsule (NXT) is a Chinese Medicine prescribed to patients with cardiovascular disease. It can also ameliorate metabolic syndromes in patients indicating its anti-diabetic properties. Herein we report the therapeutic effects of NXT on the developed DN. The db/db diabetic mice at ˜12 weeks old, the age with DN at middle/advanced stages, were treated with NXT for 12 weeks. We found NXT treatment reduced diabetes-induced hyperglycemia and dyslipidemia, thereby substantially reduced DN progress. In the kidney, NXT reduced mesangial matrix expansion and glomerulosclerosis by inhibiting extracellular matrix accumulation through activation of matrix metalloproteinase 2/9 and inactivating transforming growth factor β1 expression. NXT reduced podocyte injury by reducing renal inflammation and expression of adhesion molecules. Mechanically, NXT potently activated AMPKα in multiple tissues thereby enhancing energy metabolism. In the liver, NXT increased glucokinase expression and insulin sensitivity by increasing insulin receptor substrate 1/2 and protein kinase B (AKT) 1/2 expression/phosphorylation. In skeletal muscle, NXT activated expression of glucose transporter type 4, AKT, glycogen synthase and peroxisome proliferator activated receptor α/γ. In adipose tissue, NXT reduced fatty acid synthase while activating hormone-sensitive lipase expression. Taken together, our study demonstrates that NXT reduced progress of the developed DN by ameliorating glucose, lipid and energy metabolism, maintaining renal structural and functional integrity. Our study also indicates the potential application of NXT for DN treatment in clinics.
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Affiliation(s)
- Shu Yang
- Department of Endocrinology, The 2nd Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, China; Department of Pharmacological Sciences, Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Yuanli Chen
- Department of Pharmacological Sciences, Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Yajun Duan
- Department of Pharmacological Sciences, Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Chuanrui Ma
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Lipei Liu
- Department of Biochemistry and Molecular Biology, College of Life Science, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials of Ministry of Education, Nankai University, Tianjin, China
| | - Qi Li
- Department of Biochemistry and Molecular Biology, College of Life Science, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials of Ministry of Education, Nankai University, Tianjin, China
| | - Jie Yang
- Department of Biochemistry and Molecular Biology, College of Life Science, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials of Ministry of Education, Nankai University, Tianjin, China
| | - Xiaoju Li
- Department of Biochemistry and Molecular Biology, College of Life Science, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials of Ministry of Education, Nankai University, Tianjin, China
| | | | - Yong Wang
- Buchang Pharmaceutical Co. Ltd., Xi'an, China
| | - Ke Qian
- Buchang Pharmaceutical Co. Ltd., Xi'an, China
| | - Mengyang Liu
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yan Zhu
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaoxiao Yang
- Department of Pharmacological Sciences, Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China.
| | - Jihong Han
- Department of Biochemistry and Molecular Biology, College of Life Science, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials of Ministry of Education, Nankai University, Tianjin, China; Department of Pharmacological Sciences, Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food and Biological Engineering, Hefei University of Technology, Hefei, China.
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Reshidan NH, Abd Muid S, Mamikutty N. The effects of Pandanus amaryllifolius (Roxb.) leaf water extracts on fructose-induced metabolic syndrome rat model. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 19:232. [PMID: 31462242 PMCID: PMC6714300 DOI: 10.1186/s12906-019-2627-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 08/06/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Metabolic syndrome is a non-communicable disease inclusive of risk factors such as central obesity, hypertension, hyperglycaemia and dyslipidaemia. In this present study, we investigated the ability of Pandanus amaryllifolius (PA) leaf water extract to reverse the cluster of diseases in an established rat model induced by fructose in drinking water. METHODS Thirty healthy adult male Wistar rats (150-180 g) were randomly divided into three groups which included control (C; n = 6), PA extract (PAE; n = 6) and Metabolic Syndrome (MetS; n = 18). Food and fluid were given ad libitum for 8 weeks. These groups differed in fluid intake whereby rats received tap water, 10% of PA leaf water extracts and 20% of fructose in drinking water in group C, PAE and MetS, respectively. After 8 weeks, the MetS group was further subdivided into three subgroups namely MetS1 (n = 6), MetS2 (n = 6) and MetS3 (n = 6). The C, PAE and MetS1 were sacrificed. MetS1 group was sacrificed as the control for metabolic syndrome. MetS2 and MetS3 groups were treated with only tap water and 10% of PA leaf water extract respectively for another 8 weeks. The parameters for physiological and metabolic changes such as obesity, hypertension, hyperglycaemia, dyslipidaemia, and inflammatory biomarkers (NFκβ p65, TNFα, leptin and adiponectin) were measured. RESULTS The intake of 20% of fructose in drinking water induced full blown of metabolic syndrome symptoms, including obesity, hypertension, dyslipidaemia and hyperglycaemia in male Wistar rats. Subsequently, treatment with PA leaf water extract improved obesity parameters including BMI, abdominal adipose tissue deposition and adipocytes size, systolic and diastolic blood pressures, fasting plasma glucose, triglycerides, high density lipoprotein with neutral effects on inflammatory biomarkers. CONCLUSIONS Administration of PA in metabolic syndrome rat model attenuates most of the metabolic syndrome symptoms as well as improves obesity. Therefore, PA which is rich in total flavonoids and total phenolic acids can be suggested as a useful dietary supplement to improve metabolic syndrome components induces by fructose.
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Affiliation(s)
- Nur Hidayah Reshidan
- Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000 Sungai Buloh, Selangor Malaysia
| | - Suhaila Abd Muid
- Faculty of Medicine, Universiti Teknologi MARA, Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000 Sungai Buloh, Selangor Malaysia
- Institute of Pathology, Laboratory and Forensic Medicine (I-PPerForM), Universiti Teknologi MARA, Cawangan Selangor, Kampus Sungai Buloh, Jalan Hospital, 47000 Sungai Buloh, Selangor Malaysia
| | - Norshalizah Mamikutty
- Sulaiman Al Rajhi College, Faculty of Medicine, Kingdom of Saudi Arabia, Bukayriyah, 51941 Saudi Arabia
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Oh TR, Han KD, Choi HS, Kim CS, Bae EH, Ma SK, Kim SW. Metabolic Syndrome Resolved within Two Years is Still a Risk Factor for Kidney Cancer. J Clin Med 2019; 8:jcm8091329. [PMID: 31466366 PMCID: PMC6780562 DOI: 10.3390/jcm8091329] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/26/2019] [Accepted: 08/27/2019] [Indexed: 12/24/2022] Open
Abstract
The prevalence of metabolic syndrome (MetS) and kidney cancer is increasing, but studies on the effects of MetS and its components on kidney cancer development have had ambiguous results. Overall, 7,613,865 patients from the Korean National Health Insurance System were analyzed and followed up until 2017. Patients with ≥3 of the necessary five components of MetS were diagnosed with MetS. Patients were divided into subgroups according to two consecutive physical examinations conducted every two years. The Cox proportional hazard regression model was used to survey the independent association between MetS and the risk of kidney cancer development. Kidney cancer risk was significantly higher in patients with MetS, and there was no difference according to sex. The hazards ratio of kidney cancer increased with increasing number of MetS components. For patients not diagnosed with MetS but with abdominal obesity and hypertension, the likelihood of developing kidney cancer was similar to that of patients diagnosed with MetS. Patients with improved MetS within two years had increased risk of kidney cancer compared with those without MetS. MetS is an independent risk factor for kidney cancer, and the obesity and hypertension components of MetS are also powerful risk factors.
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Affiliation(s)
- Tae Ryom Oh
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju 61469, Korea
| | - Kyung-Do Han
- Department of Medical Statistics, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Hong Sang Choi
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju 61469, Korea
| | - Chang Seong Kim
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju 61469, Korea
| | - Eun Hui Bae
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju 61469, Korea
| | - Seong Kwon Ma
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju 61469, Korea
| | - Soo Wan Kim
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju 61469, Korea.
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Chen G, Ni Y, Nagata N, Zhuge F, Xu L, Nagashimada M, Yamamoto S, Ushida Y, Fuke N, Suganuma H, Kaneko S, Ota T. Lycopene Alleviates Obesity‐Induced Inflammation and Insulin Resistance by Regulating M1/M2 Status of Macrophages. Mol Nutr Food Res 2019; 63:e1900602. [DOI: 10.1002/mnfr.201900602] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 07/28/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Guanliang Chen
- Department of Cell Metabolism and NutritionAdvanced Preventive Medical Sciences Research CenterKanazawa University Kanazawa 920–8640 Japan
| | - Yinhua Ni
- Department of Cell Metabolism and NutritionAdvanced Preventive Medical Sciences Research CenterKanazawa University Kanazawa 920–8640 Japan
| | - Naoto Nagata
- Department of Cell Metabolism and NutritionAdvanced Preventive Medical Sciences Research CenterKanazawa University Kanazawa 920–8640 Japan
| | - Fen Zhuge
- Department of Cell Metabolism and NutritionAdvanced Preventive Medical Sciences Research CenterKanazawa University Kanazawa 920–8640 Japan
| | - Liang Xu
- Department of Cell Metabolism and NutritionAdvanced Preventive Medical Sciences Research CenterKanazawa University Kanazawa 920–8640 Japan
| | - Mayumi Nagashimada
- Department of Cell Metabolism and NutritionAdvanced Preventive Medical Sciences Research CenterKanazawa University Kanazawa 920–8640 Japan
| | - Sayo Yamamoto
- Innovation Division KAGOME CO., LTD. Nasushiobara 329–2762 Japan
| | - Yusuke Ushida
- Innovation Division KAGOME CO., LTD. Nasushiobara 329–2762 Japan
| | - Nobuo Fuke
- Innovation Division KAGOME CO., LTD. Nasushiobara 329–2762 Japan
| | | | - Shuichi Kaneko
- Department of Cell Metabolism and NutritionAdvanced Preventive Medical Sciences Research CenterKanazawa University Kanazawa 920–8640 Japan
| | - Tsuguhito Ota
- Department of Cell Metabolism and NutritionAdvanced Preventive Medical Sciences Research CenterKanazawa University Kanazawa 920–8640 Japan
- Division of Metabolism and Biosystemic Science, Department of MedicineAsahikawa Medical University Asahikawa 078–8510 Japan
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Preston KJ, Rom I, Vrakas C, Landesberg G, Etwebi Z, Muraoka S, Autieri M, Eguchi S, Scalia R. Postprandial activation of leukocyte-endothelium interaction by fatty acids in the visceral adipose tissue microcirculation. FASEB J 2019; 33:11993-12007. [PMID: 31393790 DOI: 10.1096/fj.201802637rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
High-fat diet (HFD)-induced obesity is associated with accumulation of inflammatory cells predominantly in visceral adipose depots [visceral adipose tissue (VAT)] rather than in subcutaneous ones [subcutaneous adipose tissue (SAT)]. The cellular and molecular mechanisms responsible for this phenotypic difference remain poorly understood. Controversy also exists on the overall impact that adipose tissue inflammation has on metabolic health in diet-induced obesity. The endothelium of the microcirculation regulates both the transport of lipids and the trafficking of leukocytes into organ tissue. We hypothesized that the VAT and SAT microcirculations respond differently to postprandial processing of dietary fat. We also tested whether inhibition of endothelial postprandial responses to high-fat meals (HFMs) preserves metabolic health in chronic obesity. We demonstrate that administration of a single HFM or ad libitum access to a HFD for 24 h quickly induces a transient P-selectin-dependent inflammatory phenotype in the VAT but not the SAT microcirculation of lean wild-type mice. Studies in P-selectin-deficient mice confirmed a mechanistic role for P-selectin in the initiation of leukocyte trafficking, myeloperoxidase accumulation, and acute reduction in adiponectin mRNA expression by HFMs. Despite reduced VAT inflammation in response to HFMs, P-selectin-deficient mice still developed glucose intolerance and insulin resistance when chronically fed an HFD. Our data uncover a novel nutrient-sensing role of the vascular endothelium that instigates postprandial VAT inflammation. They also demonstrate that inhibition of this transient postprandial inflammatory response fails to correct metabolic dysfunction in diet-induced obesity.-Preston, K. J., Rom, I., Vrakas, C., Landesberg, G., Etwebe, Z., Muraoka, S., Autieri, M., Eguchi, S., Scalia, R. Postprandial activation of leukocyte-endothelium interaction by fatty acids in the visceral adipose tissue microcirculation.
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Affiliation(s)
| | - Inna Rom
- Cardiovascular Research Center and
| | | | | | | | | | - Michael Autieri
- Department of Physiology, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania, USA
| | - Satoru Eguchi
- Department of Physiology, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania, USA
| | - Rosario Scalia
- Department of Physiology, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania, USA
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Gil‐Iturbe E, Arbones‐Mainar JM, Moreno‐Aliaga MJ, Lostao MP. GLUT12 and adipose tissue: Expression, regulation and its relation with obesity in mice. Acta Physiol (Oxf) 2019; 226:e13283. [PMID: 31002200 DOI: 10.1111/apha.13283] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 04/09/2019] [Accepted: 04/12/2019] [Indexed: 12/15/2022]
Abstract
AIM The facilitative glucose transporter GLUT12 was isolated from the breast cancer cell line MCF-7 by its homology with GLUT4. GLUT12 is expressed in insulin-sensitive tissues such as adipose tissue. The aim of this work was to investigate GLUT12 expression and hormonal regulation in 3T3-L1 adipocytes and in adipose tissue of lean and diet-induced obese mice. METHODS Uptake studies were performed using radio-labelled sugars; α-methyl-d-glucose (αMG) was used as specific substrate of GLUT12. Expression and localization of GLUT12 in adipocytes were investigated by western blot and immunohistochemical methods. RESULTS GLUT12 is expressed in the peri-nuclear region of mouse adipocytes. Insulin, by AKT activation, and TNF-α, by AMPK activation, increase αMG uptake by inducing GLUT12 translocation to the membrane. In contrast, leptin and adiponectin decrease GLUT12 activity through its internalization. Under hypoxia conditions GLUT12 expression is upregulated. The response of GLUT12 to TNF-α, leptin, adiponectin and hypoxia is the opposite to that of GLUT4. In diet-induced obese mice and obese subjects, GLUT12 protein is decreased. Intraperitoneal injection of insulin increases AKT phosphorylation and GLUT12 expression, but this effect is lost in obese animals. CONCLUSION We hypothesize that GLUT12 would contribute to modulate sugar absorption in physiological and pathophysiological situations such as obesity.
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Affiliation(s)
- Eva Gil‐Iturbe
- Department of Nutrition, Food Science and Physiology University of Navarra Pamplona Spain
- Nutrition Research Centre University of Navarra Pamplona Spain
| | - José Miguel Arbones‐Mainar
- Adipocyte and Fat Biology Laboratory (AdipoFat) Unidad de Investigación Traslacional, Instituto Aragonés de Ciencias de la Salud (IACS), Instituto de Investigación Sanitaria (IIS) Zaragoza Spain
- CIBERobn, Physiopathology of Obesity and Nutrition Institute of Health Carlos III (ISCIII) Madrid Spain
| | - María J. Moreno‐Aliaga
- Department of Nutrition, Food Science and Physiology University of Navarra Pamplona Spain
- Nutrition Research Centre University of Navarra Pamplona Spain
- CIBERobn, Physiopathology of Obesity and Nutrition Institute of Health Carlos III (ISCIII) Madrid Spain
- IdiSNA Navarra Institute for Health Research Pamplona Spain
| | - María Pilar Lostao
- Department of Nutrition, Food Science and Physiology University of Navarra Pamplona Spain
- Nutrition Research Centre University of Navarra Pamplona Spain
- IdiSNA Navarra Institute for Health Research Pamplona Spain
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Liang YJ, Feng SY, Qi YP, Li K, Jin ZR, Jing HB, Liu LY, Cai J, Xing GG, Fu KY. Contribution of microglial reaction to increased nociceptive responses in high-fat-diet (HFD)-induced obesity in male mice. Brain Behav Immun 2019; 80:777-792. [PMID: 31108168 DOI: 10.1016/j.bbi.2019.05.026] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 05/11/2019] [Accepted: 05/16/2019] [Indexed: 12/27/2022] Open
Abstract
The progressive increase in the prevalence of obesity in the population can result in increased healthcare costs and demands. Recent studies have revealed a positive correlation between pain and obesity, although the underlying mechanisms still remain unknown. Here, we aimed to clarify the role of microglia in altered pain behaviors induced by high-fat diet (HFD) in male mice. We found that C57BL/6CR mice on HFD exhibited enhanced spinal microglial reaction (increased cell number and up-regulated expression of p-p38 and CD16/32), increased tumor necrosis factor-α (TNF-α) mRNA and brain-derived neurotrophic factor (BDNF) protein expression as well as a polarization of spinal microglial toward a pro-inflammatory phenotype. Moreover, we found that using PLX3397 (a selective colony-stimulating factor-1 receptor (CSF1R) kinase inhibitor) to eliminate microglia in HFD-induced obesity mice, inflammation in the spinal cord was rescued, as was abnormal pain hypersensitivity. Intrathecal injection of Mac-1-saporin (a saporin-conjugated anti-mac1 antibody) resulted in a decreased number of microglia and attenuated both mechanical allodynia and thermal hyperalgesia in HFD-fed mice. These results indicate that the pro-inflammatory functions of spinal microglia have a special relevance to abnormal pain hypersensitivity in HFD-induced obesity mice. In conclusion, our data suggest that HFD induces a classical reaction of microglia, characterized by an enhanced phosphorylation of p-38 and increased CD16/32 expression, which may in part contribute to increased nociceptive responses in HFD-induced obesity mice.
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Affiliation(s)
- Ya-Jing Liang
- Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Shi-Yang Feng
- Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Ya-Ping Qi
- Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Kai Li
- Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Zi-Run Jin
- Department of Neurobiology, School of Basic Medical Sciences and Neuroscience Research Institute, Peking University, Beijing 100083, China
| | - Hong-Bo Jing
- Department of Neurobiology, School of Basic Medical Sciences and Neuroscience Research Institute, Peking University, Beijing 100083, China
| | - Ling-Yu Liu
- Department of Neurobiology, School of Basic Medical Sciences and Neuroscience Research Institute, Peking University, Beijing 100083, China
| | - Jie Cai
- Department of Neurobiology, School of Basic Medical Sciences and Neuroscience Research Institute, Peking University, Beijing 100083, China
| | - Guo-Gang Xing
- Department of Neurobiology, School of Basic Medical Sciences and Neuroscience Research Institute, Peking University, Beijing 100083, China; Key Laboratory for Neuroscience, Ministry of Education/National Health Commission, Peking University, Beijing 100083, China.
| | - Kai-Yuan Fu
- Center for TMD and Orofacial Pain, Peking University School and Hospital of Stomatology, Beijing 100081, China; Key Laboratory for Neuroscience, Ministry of Education/National Health Commission, Peking University, Beijing 100083, China.
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Kumari R, Kumar S, Kant R. An update on metabolic syndrome: Metabolic risk markers and adipokines in the development of metabolic syndrome. Diabetes Metab Syndr 2019; 13:2409-2417. [PMID: 31405652 DOI: 10.1016/j.dsx.2019.06.005] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 06/07/2019] [Indexed: 02/06/2023]
Abstract
Metabolic syndrome is a collection of physiological and biochemical abnormalities about 20-25% of adult population in developing countries is suffering from metabolic syndrome. Previous research demonstrated that adipose tissue plays an important role in energy regulation via endocrine, paracrine and autocrine signals as results of obesity due to accumulation of adipose tissue to excess that by time affects negatively both physical and psychological health and well being, it has been found that adipose tissues produces a variety of factors known as "adipokines" which play a key role in the development and progression of the disease and also hypothesized that adipokines are a possible link between obesity and the other risk components of the Metabolic syndrome. Many of the adipokines exert multiple actions in a variety of cellular processes leading to a complex array of abnormal characteristic of Metabolic syndrome. Abnormal production of these adipokines by expanded visceral fat during Adiposity contributes to a pro-inflammatory state. Increasing evidence suggests that aberrant production/release of adipokine from adipocyte i.e. adiponectin, leptin and resistin etc, may contribute to the health problems associated with Adiposity such as dyslipidemia, insulin resistance and atherosclerosis. This study conclusively have shown a significant role of adipokines secreted by adipose tissue and various metabolic risk markers play a important role in the development of Metabolic syndrome.
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Affiliation(s)
- Reena Kumari
- Department of Biochemistry, King George's Medical University, Lucknow, India
| | - Sandeep Kumar
- Department of Molecular Biology AIIMS, Rishikesh, India.
| | - Ravi Kant
- Department of Molecular Biology AIIMS, Rishikesh, India
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Kim M, Seol MH, Lee BC. The Effects of Poncirus fructus on Insulin Resistance and the Macrophage-Mediated Inflammatory Response in High Fat Diet-Induced Obese Mice. Int J Mol Sci 2019; 20:ijms20122858. [PMID: 31212747 PMCID: PMC6628178 DOI: 10.3390/ijms20122858] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/09/2019] [Accepted: 06/11/2019] [Indexed: 02/06/2023] Open
Abstract
Obesity is a chronic low-grade inflammatory condition in which hypertrophied adipocytes and adipose tissue immune cells, mainly macrophages, contribute to increased circulating levels of proinflammatory cytokines. Obesity-associated chronic low-grade systemic inflammation is considered a focal point and a therapeutic target in insulin resistance and metabolic diseases. We evaluate the effect of Poncirus fructus (PF) on insulin resistance and its mechanism based on inflammatory responses in high-fat diet (HFD)-induced obese mice. Mice were fed an HFD to induce obesity and then administered PF. Body weight, epididymal fat and liver weight, glucose, lipid, insulin, and histologic characteristics were evaluated to determine the effect of PF on insulin resistance by analyzing the proportion of macrophages in epididymal fat and liver and measured inflammatory gene expression. PF administration significantly decreased the fasting and postprandial glucose, fasting insulin, HOMA-IR, total-cholesterol, triglycerides, and low-density lipoprotein cholesterol levels. The epididymal fat tissue and liver showed a significant decrease of fat accumulation in histological analysis. PF significantly reduced the number of adipose tissue macrophages (ATMs), F4/80+ Kupffer cells, and CD68+ Kupffer cells, increased the proportion of M2 phenotype macrophages, and decreased the gene expression of inflammatory cytokines. These results suggest that PF could be used to improve insulin resistance through modulation of macrophage-mediated inflammation and enhance glucose and lipid metabolism.
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Affiliation(s)
- Mia Kim
- Department of Cardiovascular and Neurologic Disease (Stroke Center), College of Korean Medicine, Kyung Hee University, 23 Kyungheedae-ro, Dongdaemun, Seoul 02447, Korea.
| | - Mi Hyeon Seol
- Department of Clinical Korean Medicine, Graduate School, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea.
| | - Byung-Cheol Lee
- Department of Clinical Korean Medicine, Graduate School, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea.
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Effect of Aruncus dioicus var. kamtschaticus Extract on Neurodegeneration Improvement: Ameliorating Role in Cognitive Disorder Caused by High-Fat Diet Induced Obesity. Nutrients 2019; 11:nu11061319. [PMID: 31212845 PMCID: PMC6628174 DOI: 10.3390/nu11061319] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 06/04/2019] [Accepted: 06/11/2019] [Indexed: 12/20/2022] Open
Abstract
This study was performed to estimate the possibility of using an ethyl acetate fraction from Aruncus dioicus var. kamtschaticus (EFAD) on metabolic syndrome that is induced by a high-fat diet (HFD). It was demonstrated that EFAD suppresses lipid accumulation and improves insulin resistance (IR) caused by Tumor necrosis factor alpha (TNF-α) in in-vitro experiments using the 3T3-L1 cell. In in-vivo tests, C57BL/6 mice were fed EFAD at 20 and 40 mg/kg body weight (BW) for four weeks after the mice were fed HFD for 15 weeks to induce obesity. EFAD significantly suppressed the elevation of BW and improved impaired glucose tolerance in obese mice. Additionally, this study showed that EFAD has an ameliorating effect on obesity-induced cognitive disorder with behavioral tests. The effect of EFAD on peripheral-IR improvement was confirmed by serum analysis and western blotting in peripheral tissues. Additionally, EFAD showed an ameliorating effect on HFD-induced oxidative stress, impaired cholinergic system and mitochondrial dysfunction, which are interrelated symptoms of neurodegeneration, such as Alzheimer’s disease and central nervous system (CNS)-IR in brain tissue. Furthermore, we confirmed that EFAD improves CNS-IR by confirming the IR-related factors in brain tissue. Consequently, this study suggests the possibility of using EFAD for the prevention of neurodegeneration by improving metabolic syndrome that is caused by HFD.
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214
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A Perspective Review on the Role of Nanomedicine in the Modulation of TNF-TNFR2 Axis in Breast Cancer Immunotherapy. JOURNAL OF ONCOLOGY 2019; 2019:6313242. [PMID: 31239840 PMCID: PMC6556275 DOI: 10.1155/2019/6313242] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 04/23/2019] [Indexed: 12/24/2022]
Abstract
In the past decade, nanomedicine research has provided us with highly useful agents (nanoparticles) delivering therapeutic drugs to target cancer cells. The present review highlights nanomedicine applications for breast cancer immunotherapy. Recent studies have suggested that tumour necrosis factor (TNF) and its receptor 2 (TNFR2) expressed on breast cancer cells have important functional consequences. This cytokine/receptor interaction is also critical for promoting highly immune-suppressive phenotypes by regulatory T cells (Tregs). This review generally provides a background for nanoparticles as potential drug delivery agents for immunomodulators and further discusses in depth the potential of TNF antagonists delivery to modulate TNF-TNFR2 interactions and inhibit breast cancer progression.
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215
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Madden SK, Flanagan KL, Jones G. How lifestyle factors and their associated pathogenetic mechanisms impact psoriasis. Clin Nutr 2019; 39:1026-1040. [PMID: 31155371 DOI: 10.1016/j.clnu.2019.05.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 04/11/2019] [Accepted: 05/06/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUNDS AND AIMS Psoriasis is a skin disorder affecting approximately 2-3% of the global population. While research has revealed a strong genetic component, there are few studies exploring the extent to which lifestyle factors influence psoriasis pathogenesis. The aim of this review was to describe the role of lifestyle factors as both a potential cause and treatment for psoriasis. The review also examines the underlying mechanisms through which these lifestyle factors may operate. METHODS This narrative review aims to incorporate current knowledge relating to both lifestyle and pathogenetic factors that contribute to and alleviate psoriasis presentation. Studies reporting the effect of an inflammatory diet and potential dietary benefits are reported, as well as insights into the effects of stress, smoking and alcohol, insulin resistance and exercise. RESULTS Poor nutrition and low Omega 3 fatty acid intake, likely combined with fat malabsorption caused by gut dysbiosis and systemic inflammation, are associated with psoriasis. The data strongly suggest that improvements to disease severity can be made through dietary and lifestyle interventions and increased physical activity. Less conclusive, although worthy of mention, is the beneficial effect of bile acid supplementation. CONCLUSIONS Lifestyle interventions are a promising treatment for psoriasis and its associated co-morbidities. However, gaps and inadequacies exist within the literature, e.g. methodology, absence of a unified scoring system, lack of controlled clinical data and lack of studies without simultaneous usage of biologics or alternative therapies. Future directions should focus on high quality cohort studies and clinical trials.
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Affiliation(s)
- Seonad K Madden
- School of Health Sciences, College of Health and Medicine, University of Tasmania, Australia.
| | - Katie L Flanagan
- School of Medicine, College of Health and Medicine, University of Tasmania, Australia; School of Health & Biomedical Science, Royal Melbourne Institute of Technology, Australia; Infectious Diseases Service, Launceston General Hospital, Australia; Dept. of Immunology and Pathology, Monash University, Australia
| | - Graeme Jones
- Menzies Institute for Medical Research, University of Tasmania, Australia
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216
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Dermal White Adipose Tissue: A Newly Recognized Layer of Skin Innate Defense. J Invest Dermatol 2019; 139:1002-1009. [DOI: 10.1016/j.jid.2018.12.031] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 11/27/2018] [Accepted: 12/03/2018] [Indexed: 12/14/2022]
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217
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Li M, Wang M, Liu Y, Huang S, Yi X, Yin C, Wang S, Zhang M, Yu Q, Li P, Xiao Y. TNF-α Upregulates IKKε Expression via the Lin28B/let-7a Pathway to Induce Catecholamine Resistance in Adipocytes. Obesity (Silver Spring) 2019; 27:767-776. [PMID: 30933434 DOI: 10.1002/oby.22434] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 01/14/2019] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Overexpression of inhibitor of nuclear factor kappa-B kinase subunit epsilon (IKKε) contributes to blunted catecholamine-induced lipolysis. Tumor necrosis factor α (TNF-α) upregulates adipose IKKε expression to inhibit stimulated lipolysis, which can be reversed by IKKε inhibitors. This study investigated adipose IKKε expression in children with and without obesity and potential involvement of the Lin28B/let-7a axis in posttranscriptional regulation of TNF-α-stimulated IKKε in adipocytes. METHODS Adipose IKKε was detected in children both with and without obesity. The effects of TNF-α on IKKε expression of adipocytes were investigated. Inhibitor and mimics of microRNA let-7a or short interfering RNA of protein lin-28 homolog B (Lin28B) were used to determine the effect of the Lin28B/let-7a axis on TNF-α-mediated IKKε upregulation. Reporter assays were performed to confirm that let-7a targets the IKKε gene. RESULTS Adipose IKKε expression in children with obesity was upregulated to a greater extent than that in children without obesity and was positively correlated with BMI. TNF-α increased IKKε expression through activation of Lin28B/let-7a and then inhibited isoproterenol-stimulated lipolysis in adipocytes. Blocking the Lin28B /let-7a axis rescued inhibition of isoproterenol-stimulated lipolysis produced by TNF-α by inhibiting IKKε expression. Reporter assays confirmed that IKKε is a target of let-7a. CONCLUSIONS Adipose IKKε expression in children with obesity is substantially elevated and positively correlated with BMI. TNF-α induces catecholamine resistance via activation of the Lin28B/let-7a/IKKε pathway.
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Affiliation(s)
- Min Li
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Min Wang
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Yuesheng Liu
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Shanlong Huang
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Xiaoqing Yi
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Chunyan Yin
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Sisi Wang
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Meizhen Zhang
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Qiang Yu
- Department of Pediatric Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Peng Li
- Department of Pediatric Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
| | - Yanfeng Xiao
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Shaanxi, People's Republic of China
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218
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Uchiyama T, Itaya-Hironaka A, Yamauchi A, Makino M, Sakuramoto-Tsuchida S, Shobatake R, Ota H, Takeda M, Ohbayashi C, Takasawa S. Intermittent Hypoxia Up-Regulates CCL2, RETN, and TNFα mRNAs in Adipocytes via Down-regulation of miR-452. Int J Mol Sci 2019; 20:ijms20081960. [PMID: 31013606 PMCID: PMC6515141 DOI: 10.3390/ijms20081960] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 04/18/2019] [Accepted: 04/19/2019] [Indexed: 12/16/2022] Open
Abstract
Sleep apnea syndrome (SAS), characterized by recurrent episodes of oxygen desaturation and reoxygenation (intermittent hypoxia [IH]), is a risk factor for insulin resistance. Recently, IH is considered to independently cause adipose tissue inflammation/dysfunction, leading to worsening insulin resistance; however, the detailed mechanism remains unknown. We exposed mouse 3T3-L1 and human SW872 adipocytes to experimental IH or normoxia for 24 h, and analyzed mRNA expression of several adipokines. We found that the mRNA levels of RETN, TNFα, and CCL2 in SW872 and 3T3-L1 adipocytes were significantly increased by IH, whereas the promoter activities of these genes were not increased. A target mRNA search of microRNA (miR)s revealed that all human mRNAs have a potential target sequence for miR-452. The miR-452 level of IH-treated cells was significantly decreased compared to normoxia-treated cells. MiR-452 mimic and non-specific control RNA (miR-452 mimic NC) were introduced into SW872 cells, and the IH-induced up-regulation of the genes was abolished by introduction of the miR-452 mimic but not by the miR-452 mimic NC. These results indicate that IH stress down-regulates the miR-452 in adipocytes, resulting in increased levels of RETN, TNFα, and CCL2 mRNAs, leading to insulin resistance in SAS patients.
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Affiliation(s)
- Tomoko Uchiyama
- Department of Biochemistry, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
- Department of Diagnostic Pathology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan.
| | - Asako Itaya-Hironaka
- Department of Biochemistry, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Akiyo Yamauchi
- Department of Biochemistry, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Mai Makino
- Department of Biochemistry, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | | | - Ryogo Shobatake
- Department of Biochemistry, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Hiroyo Ota
- Department of Biochemistry, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
- Second Department of Internal Medicine, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan.
| | - Maiko Takeda
- Department of Diagnostic Pathology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan.
- Department of Laboratory Medicine and Pathology, National Hospital Organization Kinki-chuo Chest Medical Center, 1180 Nagasone-cho, Kita-ku, Sakai, Osaka 591-8025, Japan.
| | - Chiho Ohbayashi
- Department of Diagnostic Pathology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan.
| | - Shin Takasawa
- Department of Biochemistry, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
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219
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Effects of pomegranate aril juice and its punicalagin on some key regulators of insulin resistance and oxidative liver injury in streptozotocin-nicotinamide type 2 diabetic rats. Mol Biol Rep 2019; 46:3701-3711. [DOI: 10.1007/s11033-019-04813-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 04/11/2019] [Indexed: 12/25/2022]
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220
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Johnson CM, Fitch K, Merola JF, Han J, Qureshi AA, Li WQ. Plasma levels of tumour necrosis factor-α and adiponectin can differentiate patients with psoriatic arthritis from those with psoriasis. Br J Dermatol 2019; 181:379-380. [PMID: 30695115 DOI: 10.1111/bjd.17700] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- C M Johnson
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, U.S.A
| | - K Fitch
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, U.S.A.,Warren Alpert Medical School, Brown University, Providence, RI, U.S.A
| | - J F Merola
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, U.S.A.,Division of Rheumatology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, U.S.A
| | - J Han
- Department of Epidemiology, Richard M. Fairbanks School of Public Health, Indiana University, Indianapolis, IN, U.S.A.,Melvin and Bren Simon Cancer Center, Indiana University, Indianapolis, IN, U.S.A
| | - A A Qureshi
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, U.S.A.,Department of Dermatology, Rhode Island Hospital, Providence, RI, U.S.A.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, U.S.A
| | - W-Q Li
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, U.S.A.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, U.S.A
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221
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Sikkeland J, Lindstad T, Nenseth HZ, Dezitter X, Qu S, Muhumed RM, Ertunc ME, Gregor MF, Saatcioglu F. Inflammation and ER stress differentially regulate STAMP2 expression and localization in adipocytes. Metabolism 2019; 93:75-85. [PMID: 30710574 PMCID: PMC6460919 DOI: 10.1016/j.metabol.2019.01.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 01/11/2019] [Accepted: 01/24/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Chronic ER stress and dysfunction is a hallmark of obesity and a critical contributor to metaflammation, abnormal hormone action and altered substrate metabolism in metabolic tissues, such as liver and adipocytes. Lack of STAMP2 in lean mice induces inflammation and insulin resistance on a regular diet, and it is dysregulated in the adipose tissue of obese mice and humans. We hypothesized that the regulation of STAMP2 is disrupted by ER stress. METHODS 3T3-L1 and MEF adipocytes were treated with ER stress inducers thapsigargin and tunicamycin, and inflammation inducer TNFα. The treatments effect on STAMP2 expression and enzymatic function was assessed. In addition, 3T3-L1 adipocytes and HEK cells were utilized for Stamp2 promoter activity investigation performed with luciferase and ChIP assays. RESULTS ER stress significantly reduced both STAMP2 mRNA and protein expression in cultured adipocytes whereas TNFα had the opposite effect. Concomitant with loss of STAMP2 expression during ER stress, intracellular localization of STAMP2 was altered and total iron reductase activity was reduced. Stamp2 promoter analysis by reporter assays and chromatin immunoprecipitation, showed that induction of ER stress disrupts C/EBPα-mediated STAMP2 expression. CONCLUSION These data suggest a clear link between ER stress and quantitative and functional STAMP2-deficiency.
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Affiliation(s)
- Jørgen Sikkeland
- Department of Biosciences, University of Oslo, Postboks 1066 Blindern, 0316 Oslo, Norway; Institute for Cancer Genetics and Informatics, Oslo University Hospital, 0310 Oslo, Norway
| | - Torstein Lindstad
- Department of Biosciences, University of Oslo, Postboks 1066 Blindern, 0316 Oslo, Norway
| | - Hatice Zeynep Nenseth
- Department of Biosciences, University of Oslo, Postboks 1066 Blindern, 0316 Oslo, Norway
| | - Xavier Dezitter
- Plateforme de Binding et de Biologie Moléculaire, Institut de Chimie Pharmaceutique Albert Lespagnol, Faculté des Sciences Pharmaceutiques et Biologiques - Université de Lille, F-59006 Lille, France
| | - Su Qu
- Department of Biosciences, University of Oslo, Postboks 1066 Blindern, 0316 Oslo, Norway
| | - Ridhwan M Muhumed
- Department of Biosciences, University of Oslo, Postboks 1066 Blindern, 0316 Oslo, Norway
| | - Meric Erikci Ertunc
- Department of Biosciences, University of Oslo, Postboks 1066 Blindern, 0316 Oslo, Norway; Department of Genetics and Complex Diseases and Sabri Ülker Center, Harvard TH Chan School of Public Health, Boston, MA 02115, USA
| | - Margaret F Gregor
- Department of Genetics and Complex Diseases and Sabri Ülker Center, Harvard TH Chan School of Public Health, Boston, MA 02115, USA
| | - Fahri Saatcioglu
- Department of Biosciences, University of Oslo, Postboks 1066 Blindern, 0316 Oslo, Norway; Institute for Cancer Genetics and Informatics, Oslo University Hospital, 0310 Oslo, Norway.
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222
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Włodarczyk M, Ciebiera M, Nowicka G. TNF-α G-308A genetic variants, serum CRP-hs concentration and DNA damage in obese women. Mol Biol Rep 2019; 47:855-866. [PMID: 30900134 PMCID: PMC7340642 DOI: 10.1007/s11033-019-04764-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 03/14/2019] [Indexed: 12/21/2022]
Abstract
Obesity is associated with inflammation, which can disturb genome stability. Tumor necrosis factor (TNF-α) polymorphism was found to affect TNF-α protein production and inflammation. Therefore, the present study illustrates the relationship between TNF-α polymorphism, the degree of inflammation assessed by serum high sensitivity C-reactive protein concentration (CRP-hs) and basal DNA damage in patients with obesity (BMI 30–34.9 kg/m2) and control subjects with proper body mass (BMI < 25 kg/m2). A total of 115 participants (75 obese premenopausal women; and 40 age-, and gender-matched controls) were included. Biochemical parameters (serum concentrations of total-cholesterol, HDL-cholesterol, LDL- cholesterol, triglycerides, glucose, apolipoprotein AI, CRP-hs) and endogenous DNA damage (determined by comet assay) were measured. TNF-α G-308A polymorphism (rs1800629) was analyzed by PCR-RFLP (PCR-restriction fragments length polymorphism). An effect of TNF-α genotype on serum CRP-hs concentration was noted (p = 0.031). In general, carriers of the rare A allele of the TNF-α G-308A polymorphism had significantly lower endogenous DNA damage and serum CRP-hs concentrations than GG homozygotes, however, the protective effect of the A allele was especially visible in non-obese women. Serum CRP-hs concentrations and levels of DNA damage (% DNA in tail) were significantly higher in obese than in controls (p = 0.001 and p < 0.0001, respectively). The adjusted multiple linear regression analyses revealed a significant, independent impact of obesity on DNA damage (p = 0.00000) and no effect of other covariates i.e. age, TNF-α genotype and serum CRP-hs concentration. Our study showed that obesity has a significant impact on the levels of endogenous DNA damage. Obesity abolished the protective effect of A allele of the TNF-α G-308A polymorphism on DNA damage and on inflammation development observed in non-obese A allele carriers.
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Affiliation(s)
- Marta Włodarczyk
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy with Division of Laboratory Medicine, Medical University of Warsaw, Banacha 1B, 02-097, Warsaw, Poland. .,Centre for Preclinical Research, Medical University of Warsaw, Banacha 1B, 02-097, Warsaw, Poland.
| | - Michał Ciebiera
- II Department of Obstetrics and Gynecology, The Centre of Postgraduate Medical Education, Cegłowska 80, 01-809, Warsaw, Poland
| | - Grażyna Nowicka
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy with Division of Laboratory Medicine, Medical University of Warsaw, Banacha 1B, 02-097, Warsaw, Poland.,Centre for Preclinical Research, Medical University of Warsaw, Banacha 1B, 02-097, Warsaw, Poland
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Plasma retinol-binding protein-4 and tumor necrosis factor-α are reduced in postmenopausal women after combination of different intensities of circuit resistance training and Zataria supplementation. SPORT SCIENCES FOR HEALTH 2019; 15:551-558. [PMID: 31885723 DOI: 10.1007/s11332-019-00544-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Purpose Zataria is a plant with anti-inflammatory properties, which has been used for the treatment of many diseases. This study investigated the effect of different intensities of circuit resistance training and Zataria supplementation on plasma retinol-binding protein-4 (RBP-4) and tumor necrosis factor-α (TNF-α) in postmenopausal women. Methods Seventy-two postmenopausal women were divided on randomized order into six groups: Control (McGinley and Bishop in J Appl Physiol 121(6):1290-1305, 2016), Training 35% (T35%), Training 55% (T55%), Zataria (Özgünen et al. in Scand J Med Sci Sports 20:140-147, 2010), Zataria/Training 35% (ZT35%), and Zataria/Training 55% (ZT55%). Resist-ance training program included 12 exercise stations (each: 30 s, intensity: 35% and 55% of 1-RM) for 8 weeks (3 sessions/week). Daily (500 mg) Zataria was used after breakfast by participants in ZG, ZT35%, and ZT55% groups. Blood samples were taken 48 h before and after the first and last sessions of training. Results After the training period the percentage of body fat decreased significantly (P < 0.001) in all trained groups, whereas muscle mass increased significantly (P < 0.01) only in T55% and ZT55% groups. A significant decrease was observed for RBP-4 values (P < 0.05) after training in all groups except for ZG and CG. Also, RBP-4 was significantly lower (P < 0.05) in all groups as compared to CG at the post-test except for ZG. Moreover, significantly lower values (P < 0.05) were found in T55%, ZT35%, and ZT55% as compared to ZG in post-intervention. TNF-α values decreased significantly (P < 0.05) at the post-test as compared to pre-intervention in ZT35% and ZT55%. Also, TNF-α was significantly lower (P < 0.05) in ZT55% compared to CG and T35% in post-test. Conclusions The results demonstrate clearly that in postmenopausal women, circuit resistance training both at low and moderate intensities cause a greater reduction in RBP-4 and TNF-α when Zataria is supplemented in the diet during training.
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Dahran N, Szewczyk-Bieda M, Vinnicombe S, Fleming S, Nabi G. Periprostatic fat adipokine expression is correlated with prostate cancer aggressiveness in men undergoing radical prostatectomy for clinically localized disease. BJU Int 2019; 123:985-994. [PMID: 29969844 DOI: 10.1111/bju.14469] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVES To investigate the relationship between periprostatic adipose tissue (PPAT) adipokine expression and prostate cancer (PCa) aggressiveness using both pathological features of radical prostatectomy (RP) and multiparametric magnetic resonance imaging ( MRI) variables. PATIENTS AND METHODS Sixty-nine men were recruited to assess immunohistochemical expression of tumour necrosis factor (TNF)α and vascular endothelial growth factor (VEGF) of periprostatic fat of RP specimens. Per cent immunopositivity was quantified on scanned slides using the Aperio Positive Pixel Count algorithm for PPAT TNFα, VEGF and androgen receptors. Periprostatic fat volume (PFV) was segmented on contiguous T1 -weighted axial MRI slices from the level of the prostate base to apex. PFV was normalized to prostate volume (PV) to account for variations in PV (normalized PFV = PFV/PV). MRI quantitative values (Kep , Ktrans and apparent diffusion coefficient) were measured from the PCa primary lesion using Olea Sphere software. Patients were stratified into three groups according to RP Gleason score (GS): ≤6, 7(3 + 4) and ≥7(4 + 3). RESULTS The mean rank of VEGF and TNFα was significantly different between the groups [H(2) = 11.038, P = 0.004] and [H(2) = 13.086, P = 0.001], respectively. Patients with stage pT3 had higher TNFα (18.2 ± 8.95) positivity than patients with stage pT2 (13.27 ± 10.66; t [67] = -2.03, P = 0.047). TNFα expression significantly correlated with Ktrans (ρ = 0.327, P = 0.023). TNFα (P = 0.043), and VEGF (P = 0.02) correlated with high grade PCa (GS ≥ 7) in RP specimens and also correlated significantly with upgrading of GS from biopsy to RP histology. CONCLUSIONS The expression levels of TNFα and VEGF on immunostaining significantly correlated with aggressivity of PCa. As biomarkers, these indicate the risk of having high grade PCa in men undergoing RP.
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Affiliation(s)
- Naief Dahran
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee, UK.,Department of Anatomy, Faculty of Medicine, University of Jeddah, Jeddah, Saudi Arabia
| | | | - Sarah Vinnicombe
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee, UK
| | - Stewart Fleming
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee, UK
| | - Ghulam Nabi
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee, UK
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225
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Abstract
The organs require oxygen and other types of nutrients (amino acids, sugars, and lipids) to function, the heart consuming large amounts of fatty acids for oxidation and adenosine triphosphate (ATP) generation.
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226
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Immunometabolic Links between Estrogen, Adipose Tissue and Female Reproductive Metabolism. BIOLOGY 2019; 8:biology8010008. [PMID: 30736459 PMCID: PMC6466614 DOI: 10.3390/biology8010008] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 01/26/2019] [Accepted: 02/03/2019] [Indexed: 12/25/2022]
Abstract
The current knowledge of sex-dependent differences in adipose tissue biology remains in its infancy and is motivated in part by the desire to understand why menopause is linked to an increased risk of metabolic disease. However, the development and characterization of targeted genetically-modified rodent models are shedding new light on the physiological actions of sex hormones in healthy reproductive metabolism. In this review we consider the need for differentially regulating metabolic flexibility, energy balance, and immunity in a sex-dependent manner. We discuss the recent advances in our understanding of physiological roles of systemic estrogen in regulating sex-dependent adipose tissue distribution, form and function; and in sex-dependent healthy immune function. We also review the decline in protective properties of estrogen signaling in pathophysiological settings such as obesity-related metaflammation and metabolic disease. It is clear that the many physiological actions of estrogen on energy balance, immunity, and immunometabolism together with its dynamic regulation in females make it an excellent candidate for regulating metabolic flexibility in the context of reproductive metabolism.
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227
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Castellano-Castillo D, Moreno-Indias I, Sanchez-Alcoholado L, Ramos-Molina B, Alcaide-Torres J, Morcillo S, Ocaña-Wilhelmi L, Tinahones F, Queipo-Ortuño MI, Cardona F. Altered Adipose Tissue DNA Methylation Status in Metabolic Syndrome: Relationships Between Global DNA Methylation and Specific Methylation at Adipogenic, Lipid Metabolism and Inflammatory Candidate Genes and Metabolic Variables. J Clin Med 2019; 8:jcm8010087. [PMID: 30642114 PMCID: PMC6352101 DOI: 10.3390/jcm8010087] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 01/09/2019] [Accepted: 01/10/2019] [Indexed: 02/07/2023] Open
Abstract
Metabolic syndrome (MetS) has been postulated to increase the risk for type 2 diabetes, cardiovascular disease and cancer. Adipose tissue (AT) plays an important role in metabolic homeostasis, and AT dysfunction has an active role in metabolic diseases. MetS is closely related to lifestyle and environmental factors. Epigenetics has emerged as an interesting landscape to evaluate the possible interconnection between AT and metabolic disease, since it can be modulated by environmental factors and metabolic status. The aim of this study was to determine whether MetS has an impact on the global DNA methylation pattern and the DNA methylation of several genes related to adipogenesis (PPARG, PPARA), lipid metabolism (RXRA, SREBF2, SREBF1, SCD, LPL, LXRb), and inflammation (LRP1 C3, LEP and TNF) in visceral adipose tissue. LPL and TNF DNA methylation values were significantly different in the control-case comparisons, with higher and lower methylation respectively in the MetS group. Negative correlations were found between global DNA methylation (measured by LINE-1 methylation levels) and the metabolic deterioration and glucose levels. There were associations among variables of MetS, BMI, and HOMA-IR with DNA methylation at several CpG positions for the studied genes. In particular, there was a strong positive association between serum triglyceride levels (TG) with PPARA and LPL methylation levels. TNF methylation was negatively associated with the metabolic worsening and could be an important factor in preventing MetS occurrence according to logistic regression analysis. Therefore, global DNA methylation and methylation at specific genes related to adipogenesis, lipid metabolism and inflammation are related to the etiology of MetS and might explain in part some of the features associated to metabolic disorders.
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Affiliation(s)
- Daniel Castellano-Castillo
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
| | - Isabel Moreno-Indias
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
| | - Lidia Sanchez-Alcoholado
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
| | - Bruno Ramos-Molina
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
| | - Juan Alcaide-Torres
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
| | - Sonsoles Morcillo
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
| | - Luis Ocaña-Wilhelmi
- Unidad de Cirugía Metabólica, Hospital Clínico Virgen de la Victoria, 29010 Málaga, Spain.
| | - Francisco Tinahones
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
| | - María Isabel Queipo-Ortuño
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
- Unidad de Gestión Clínica de Oncología Médica del Hospital Virgen de la Victoria, 29010 Málaga, Spain.
| | - Fernando Cardona
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, 29010 Málaga, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición, CIBERobn, 28029 Madrid, Spain.
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228
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Hanaoka BY, Ithurburn MP, Rigsbee CA, Bridges SL, Moellering DR, Gower B, Bamman M. Chronic Inflammation in Rheumatoid Arthritis and Mediators of Skeletal Muscle Pathology and Physical Impairment: A Review. Arthritis Care Res (Hoboken) 2019; 71:173-177. [PMID: 30295435 DOI: 10.1002/acr.23775] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 10/02/2018] [Indexed: 12/13/2022]
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229
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Ntusi NA, Francis JM, Sever E, Liu A, Piechnik SK, Ferreira VM, Matthews PM, Robson MD, Wordsworth PB, Neubauer S, Karamitsos TD. Anti-TNF modulation reduces myocardial inflammation and improves cardiovascular function in systemic rheumatic diseases. Int J Cardiol 2018; 270:253-259. [DOI: 10.1016/j.ijcard.2018.06.099] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 03/19/2018] [Accepted: 06/22/2018] [Indexed: 12/17/2022]
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230
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Goldmannová D, Spurná J, Krystyník O, Schovánek J, Cibičková L, Karásek D, Zadražil J. Adipocytokines and new onset diabetes mellitus after transplantation. J Appl Biomed 2018. [DOI: 10.1016/j.jab.2018.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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231
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Boudreau A, Richard AJ, Burrell JA, King WT, Dunn R, Schwarz JM, Ribnicky DM, Rood J, Salbaum JM, Stephens JM. An ethanolic extract of Artemisia scoparia inhibits lipolysis in vivo and has antilipolytic effects on murine adipocytes in vitro. Am J Physiol Endocrinol Metab 2018; 315:E1053-E1061. [PMID: 30153067 PMCID: PMC6293162 DOI: 10.1152/ajpendo.00177.2018] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
An ethanolic extract of Artemisia scoparia (SCO) has metabolically favorable effects on adipocyte development and function in vitro and in vivo. In diet-induced obese mice, SCO supplementation significantly reduced fasting glucose and insulin levels. Given the importance of adipocyte lipolysis in metabolic health, we hypothesized that SCO modulates lipolysis in vitro and in vivo. Free fatty acids and glycerol were measured in the sera of mice fed a high-fat diet with or without SCO supplementation. In cultured 3T3-L1 adipocytes, the effects of SCO on lipolysis were assessed by measuring glycerol and free fatty acid release. Microarray analysis, qPCR, and immunoblotting were used to assess gene expression and protein abundance. We found that SCO supplementation of a high-fat diet in mice substantially reduces circulating glycerol and free fatty acid levels, and we observed a cell-autonomous effect of SCO to significantly attenuate tumor necrosis factor-α (TNFα)-induced lipolysis in cultured adipocytes. Although several prolipolytic and antilipolytic genes were identified by microarray analysis of subcutaneous and visceral adipose tissue from SCO-fed mice, regulation of these genes did not consistently correlate with SCO's ability to reduce lipolytic metabolites in sera or cell culture media. However, in the presence of TNFα in cultured adipocytes, SCO induced antilipolytic changes in phosphorylation of hormone-sensitive lipase and perilipin. Together, these data suggest that the antilipolytic effects of SCO on adipose tissue play a role in the ability of this botanical extract to improve whole body metabolic parameters and support its use as a dietary supplement to promote metabolic resiliency.
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Affiliation(s)
- Anik Boudreau
- Pennington Biomedical Research Center, Louisiana State University , Baton Rouge, Louisiana
| | - Allison J Richard
- Pennington Biomedical Research Center, Louisiana State University , Baton Rouge, Louisiana
| | - Jasmine A Burrell
- Department of Biological Sciences, Louisiana State University , Baton Rouge, Louisiana
| | - William T King
- Department of Biological Sciences, Louisiana State University , Baton Rouge, Louisiana
| | - Ruth Dunn
- Department of Biological Sciences, Louisiana State University , Baton Rouge, Louisiana
| | | | - David M Ribnicky
- Department of Plant Biology and Pathology, Rutgers University , New Brunswick, New Jersey
| | - Jennifer Rood
- Pennington Biomedical Research Center, Louisiana State University , Baton Rouge, Louisiana
| | - J Michael Salbaum
- Pennington Biomedical Research Center, Louisiana State University , Baton Rouge, Louisiana
| | - Jacqueline M Stephens
- Pennington Biomedical Research Center, Louisiana State University , Baton Rouge, Louisiana
- Department of Biological Sciences, Louisiana State University , Baton Rouge, Louisiana
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232
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LaMarche NM, Kohlgruber AC, Brenner MB. Innate T Cells Govern Adipose Tissue Biology. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2018; 201:1827-1834. [PMID: 30224362 PMCID: PMC6201318 DOI: 10.4049/jimmunol.1800556] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 06/12/2018] [Indexed: 02/07/2023]
Abstract
During the past 25 y, the immune system has appeared as a key regulator of adipose tissue biology and metabolic homeostasis. In lean animals, adipose-resident leukocytes maintain an anti-inflammatory microenvironment that preserves the proper functioning of the tissue. In this review, we describe two populations of innate T cells enriched in adipose tissue, invariant NKT and γδ T cells, and how they serve overlapping and nonredundant roles in controlling adipose tissue functions. These cells interact with and expand anti-inflammatory regulatory T cells and M2 macrophages, thereby driving a metabolically beneficial tissue milieu. Surprisingly, we have found that adipose invariant NKT and γδ T cells also promote weight loss and heat production in a process called "nonshivering thermogenesis." The data surrounding these two cell types highlight their powerful ability to regulate not only other leukocytes, but also tissue-wide processes that affect an entire organism.
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Affiliation(s)
- Nelson M LaMarche
- Division of Rheumatology, Immunology, and Allergy, Harvard Medical School, Boston, MA 02115; and
| | - Ayano C Kohlgruber
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115
| | - Michael B Brenner
- Division of Rheumatology, Immunology, and Allergy, Harvard Medical School, Boston, MA 02115; and
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233
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Madeddu C, Gramignano G, Astara G, Demontis R, Sanna E, Atzeni V, Macciò A. Pathogenesis and Treatment Options of Cancer Related Anemia: Perspective for a Targeted Mechanism-Based Approach. Front Physiol 2018; 9:1294. [PMID: 30294279 PMCID: PMC6159745 DOI: 10.3389/fphys.2018.01294] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 08/28/2018] [Indexed: 01/28/2023] Open
Abstract
Cancer-related anemia (CRA) is a common sign occurring in more than 30% of cancer patients at diagnosis before the initiation of antineoplastic therapy. CRA has a relevant influence on survival, disease progression, treatment efficacy, and the patients' quality of life. It is more often detected in patients with advanced stage disease, where it represents a specific symptom of the neoplastic disease, as a consequence of chronic inflammation. In fact, CRA is characterized by biological and hematologic features that resemble those described in anemia associated to chronic inflammatory disease. Proinflammatory cytokine, mainly IL-6, which are released by both tumor and immune cells, play a pivotal action in CRA etiopathogenesis: they promote alterations in erythroid progenitor proliferation, erythropoietin (EPO) production, survival of circulating erythrocytes, iron balance, redox status, and energy metabolism, all of which can lead to anemia. The discovery of hepcidin allowed a greater knowledge of the relationships between immune cells, iron metabolism, and anemia in chronic inflammatory diseases. Additionally, chronic inflammation influences a compromised nutritional status, which in turn might induce or contribute to CRA. In the present review we examine the multifactorial pathogenesis of CRA discussing the main and novel mechanisms by which immune, nutritional, and metabolic components affect its onset and severity. Moreover, we analyze the status of the art and the perspective for the treatment of CRA. Notably, despite the high incidence and clinical relevance of CRA, controlled clinical studies testing the most appropriate treatment for CRA are scarce, and its management in clinical practice remains challenging. The present review may be useful to indicate the development of an effective approach based on a detailed assessment of all factors potentially involved in the pathogenesis of CRA. This mechanism-based approach is essential for clinicians to plan a safe, targeted, and successful therapy, thereby promoting a relevant amelioration of patients' quality of life.
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Affiliation(s)
- Clelia Madeddu
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | | | - Giorgio Astara
- Department of Medical Oncology, Azienda Ospedaliero Universitaria Cagliari, Cagliari, Italy
| | - Roberto Demontis
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Elisabetta Sanna
- Department of Gynecologic Oncology, Azienda Ospedaliera Brotzu, Cagliari, Italy
| | - Vinicio Atzeni
- Hospital Medical Management, Azienda Ospedaliera Brotzu, Cagliari, Italy
| | - Antonio Macciò
- Department of Gynecologic Oncology, Azienda Ospedaliera Brotzu, Cagliari, Italy
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234
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Effects of telmisartan on TNFα induced PPARγ phosphorylation and insulin resistance in adipocytes. Biochem Biophys Res Commun 2018; 503:3044-3049. [PMID: 30143256 DOI: 10.1016/j.bbrc.2018.08.091] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 08/12/2018] [Indexed: 11/21/2022]
Abstract
BACKGROUND Telmisartan is an angiotensin II receptor blocker (ARB) and a partial agonist of peroxisome proliferator activated receptor γ (PPARγ). It has been shown to significantly enhance insulin sensitivity in clinical studies and in vitro experiments. However, the effect of telmisartan on PPARγ in adipocytes remains unknown. METHODS 3T3-L1 adipocytes were incubated with tumor necrosis factor α (TNFα) to simulate growth under an inflammatory condition. On this basis, adipocytes were treated with telmisartan at different concentrations for 1 h. Then, the phosphorylation level of PPARγ, glucose uptake, mRNA levels of PPARγ downstream genes and adiponectin secretion of adipocytes were analyzed. RESULTS Telmisartan reduced the phosphorylation level of PPARγ, altered mRNA expressions of adiponectin, adipsin, leptin, FABP4, GLUT4 and CAP, and promoted the secretion of adiponectin. Furthermore, telmisartan treatment restored the decrease of cellular glucose uptake due to TNFα stimulation. CONCLUSIONS Telmisartan regulated PPARγ phosphorylation and its downstream gene expressions, promoted glucose uptake and acted as an overall insulin sensitizing agent in adipocytes. The specific phosphorylation site of PPARγ affected by telmisartan, the mechanism of telmisartan in regulating PPARγ phosphorylation, and whether the effects of telmisartan in adipocytes is responsible for its whole-body insulin sensitizing effect require further exploration.
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235
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Priyadarshini S, Pradhan B, Aich P. Role of murine macrophage in temporal regulation of cortisol- and serotonin-induced adipogenesis in pre-adipocytes when grown together. Biol Open 2018; 7:bio.034629. [PMID: 30082376 PMCID: PMC6124570 DOI: 10.1242/bio.034629] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Regulation of adipogenesis, the root cause for obesity, is very poorly understood. However, studies have presented evidence of immuno-metabolic regulation of adipose tissue during periods of chronic psychological stress, leading to adverse conditions related to stress manifestation, including visceral obesity and atherosclerosis. Despite pronounced association of hormonal markers of stress with dys-regulated metabolic states, the contributing signalling events are yet to be established. It is apparent that to understand contributing signalling events we need a model. Although an in vivo model is preferred, it is difficult to establish. The current report, therefore, presents an in vitro model system for the simulation of adipose tissue in a chronic stress micro-environment by growing pre-adipocytes with macrophages in the presence and absence of stress hormones. In this report, effects of cortisol and serotonin on the kinetics of immune and metabolic changes in adipocytes and macrophage (alone and co-cultured) was studied through whole genome transcriptome profiling. A transition from pro- to anti-inflammatory response in the immune profile of pre-adipocytes, with increasing time in co-culture with macrophages, was observed. This transition was reversed by stress hormones cortisol and/or serotonin. Summary: Stress-induced obesity is poorly understood in vivo at the molecular level. The current report established a novel molecular basis of adipogenesis in vitro.
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Affiliation(s)
- Sushri Priyadarshini
- School of Biological Sciences, National Institute of Science Education and Research (NISER), HBNI, PO- Bhimpur-Padanpur, Via- Jatni, District:- Khurda, 752050, Odisha, India
| | - Biswaranjan Pradhan
- School of Biological Sciences, National Institute of Science Education and Research (NISER), HBNI, PO- Bhimpur-Padanpur, Via- Jatni, District:- Khurda, 752050, Odisha, India
| | - Palok Aich
- School of Biological Sciences, National Institute of Science Education and Research (NISER), HBNI, PO- Bhimpur-Padanpur, Via- Jatni, District:- Khurda, 752050, Odisha, India
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236
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Farhangi MA, Mesgari-Abbasi M, Hajiluian G, Nameni G, Shahabi P. Adipose Tissue Inflammation and Oxidative Stress: the Ameliorative Effects of Vitamin D. Inflammation 2018; 40:1688-1697. [PMID: 28674792 DOI: 10.1007/s10753-017-0610-9] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Obesity is a low-grade inflammatory disease and is associated with numerous comorbidities. The current study was aimed to evaluate the effects of vitamin D administrations on markers of inflammation and oxidative stress in adipose tissue of high-fat diet-induced obese rats. In the beginning of the study, 40 rats were divided into two groups: normal diet and high-fat diet (HFD) for 16 weeks; then, each group was subdivided into two groups including ND, ND + vitamin D, HFD, and HFD + vitamin D. Vitamin D supplementation was done for 5 weeks at 500 IU/kg dosage. Tumor necrosis factor (TNF)-α, interleukin (IL)-1β, monocyte chemoattractant protein (MCP)-1, transforming growth factor (TGF)-β and IL-6 concentrations and markers of oxidative stress including glutathione peroxidase (GPx), superoxide dismutase (SOD), malondialdehyde (MDA), and catalase (CAT) concentrations in adipose tissue of rats were determined using ELISA kits and spectrophotometry methods, respectively. Vitamin D treatment led to a significant reduction in adipose tissue TNF-α concentrations in both ND + vitamin D and HFD + vitamin D groups (P < 0.05). Adipose tissue MCP-1 concentration also reduced in HFD + vitamin D group compared with HFD group. Among markers of oxidative stress in adipose tissue, SOD and GPx concentrations significantly increased in adipose tissue of HFD + vitamin D treated group compared with other groups (P < 0.05). Reduced food intake and weight gain was also occurred after vitamin D treatment. Vitamin D improved adipose tissue oxidative stress and inflammatory parameters in obese rats. Vitamin D treatment was also associated with decreased food intake and decreased weight gain in animals under a high-fat diet. Further studies are needed to better clarify the underlying mechanisms.
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Affiliation(s)
- Mahdieh Abbasalizad Farhangi
- Drug Applied Research Center, Nutrition Research Center, Department of Community Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mehran Mesgari-Abbasi
- Drug Applied Research Center, Nutrition Research Center, Department of Community Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ghazaleh Hajiluian
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ghazaleh Nameni
- Nutrition Research Center, Department of Community Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parviz Shahabi
- Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Caiazzo G, Fabbrocini G, Di Caprio R, Raimondo A, Scala E, Balato N, Balato A. Psoriasis, Cardiovascular Events, and Biologics: Lights and Shadows. Front Immunol 2018; 9:1668. [PMID: 30150978 PMCID: PMC6099159 DOI: 10.3389/fimmu.2018.01668] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 07/04/2018] [Indexed: 12/19/2022] Open
Abstract
Nowadays, it is well established a link between psoriasis and cardiovascular (CV) diseases. A series of different overlapping mechanisms including inflammation, homeostasis dysregulation, and genetic susceptibility are thought to underlie this association. Advances in understanding the molecular patterns involved in the complex scenario of psoriasis have highlighted a tight correlation with atherosclerosis. Indeed, common profiles are shared in term of inflammatory cytokines and cell types. In the last decade, the management of psoriasis patients has been revolutionized with the introduction of biological therapies, such as tumor necrosis factor-alpha (TNF-α), interleukin (IL)-12/23, and IL-17 inhibitors. In clinical setting, the effectiveness of these therapies as well as the incidence of CV events is related to the type of biologics. In particular, anti-TNF-α agents seem to reduce these events in psoriasis patients whereas anti-IL-12/23 agents related CV events reduction still remain to clarify. It has to be taken into account that IL-12/23 inhibitors have a shorter post-marketing surveillance period. An even more restricted observational time is available for anti-IL-17 agents. IL-17 is associated with psoriasis, vascular disease, and inflammation. However, IL-17 role in atherosclerosis is still debated, exerting both pro-atherogenic and anti-atherogenic effects depending on the specific context. In this review, we will discuss the differences between the onset of CV events in psoriasis patients, referred to specific biological therapy and the underlying immunological mechanism. Given the development of new therapeutic strategies, the investigation of these inhibitors impact on heart failure outcome is extremely important.
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Affiliation(s)
- Giuseppina Caiazzo
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Napoli, Italy
| | - Gabriella Fabbrocini
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Napoli, Italy
| | - Roberta Di Caprio
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Napoli, Italy
| | - Annunziata Raimondo
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Napoli, Italy
| | - Emanuele Scala
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Napoli, Italy
| | - Nicola Balato
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Napoli, Italy
| | - Anna Balato
- Department of Advanced Biomedical Sciences, University of Naples Federico II, Napoli, Italy
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Leal LN, Romao JM, Hooiveld GJ, Soberon F, Berends H, Boekshoten MV, Van Amburgh ME, Martín-Tereso J, Steele MA. Nutrient supply alters transcriptome regulation in adipose tissue of pre-weaning Holstein calves. PLoS One 2018; 13:e0201929. [PMID: 30080895 PMCID: PMC6078305 DOI: 10.1371/journal.pone.0201929] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 07/24/2018] [Indexed: 01/06/2023] Open
Abstract
Performance of dairy cows can be influenced by early life nutrient supply. Adipose tissue is diet sensitive and an important component in that process as it is involved in the regulation of energetic, reproductive and immunological functions. However, it is not clear how early life nutrition alters the molecular regulation of adipose tissue in calves and potentially adult individuals. This study aimed at determining how differences in pre-weaning nutrient supply alter gene expression profiles and physiology in omental adipose tissue. A total of 12 female Holstein calves were fed two levels of milk replacer supply: a restricted amount of 11.72 MJ of metabolizable energy (ME) intake per day (n = 6) or an enhanced amount of 1.26 MJ ME intake per kg of metabolic body weight (BW0.75), resulting in supply from 17.58 to 35.17 MJ ME intake per day (n = 6). All calves had ad libitum access to a commercial calf starter and water. Analysis of the transcriptome profiles at 54 ± 2 days of age revealed that a total of 396 out of 19,968 genes were differentially expressed (DE) between groups (p < 0.001, FDR < 0.1). The directional expression of DE genes through Ingenuity Pathway Analysis showed that an enhanced nutrient supply alters adipose tissue physiology of pre-weaned calves. Several biological functions were increased (Z-score > +2), including Lipid Metabolism (Fatty Acid Metabolism), Cell Cycle (Entry into Interphase, Interphase, Mitosis and Cell Cycle Progression), Cellular Assembly and Organization (Cytoskeleton Formation and Cytoplasm Development) and Molecular Transport (Transport of Carboxylic Acid). These changes were potentially orchestrated by the activation/inhibition of 17 upstream regulators genes. Our findings indicate that adipose tissue of calves under an enhanced nutrient supply is physiologically distinct from restricted calves due to an increased development/expansion rate and also a higher metabolic activity through increased fatty acid metabolism.
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Affiliation(s)
- Leonel N. Leal
- Trouw Nutrition R&D, Amersfoort, Utrecht, the Netherlands
- * E-mail: (LNL); (MAS)
| | - Josue M. Romao
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Guido J. Hooiveld
- Nutrition, Metabolomics and Genomics group, Division of Human Nutrition, Wageningen University, Wageningen, Gelderland, the Netherlands
| | - Fernando Soberon
- Trouw Nutrition USA, Highland, Illinois, United States of America
| | - Harma Berends
- Trouw Nutrition R&D, Amersfoort, Utrecht, the Netherlands
| | - Mark V. Boekshoten
- Nutrition, Metabolomics and Genomics group, Division of Human Nutrition, Wageningen University, Wageningen, Gelderland, the Netherlands
| | - Michael E. Van Amburgh
- Department of Animal Science, Cornell University, Ithaca, New York, United States of America
| | | | - Michael A. Steele
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
- * E-mail: (LNL); (MAS)
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239
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Guerrini V, Prideaux B, Blanc L, Bruiners N, Arrigucci R, Singh S, Ho-Liang HP, Salamon H, Chen PY, Lakehal K, Subbian S, O’Brien P, Via LE, Barry CE, Dartois V, Gennaro ML. Storage lipid studies in tuberculosis reveal that foam cell biogenesis is disease-specific. PLoS Pathog 2018; 14:e1007223. [PMID: 30161232 PMCID: PMC6117085 DOI: 10.1371/journal.ppat.1007223] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 07/16/2018] [Indexed: 12/16/2022] Open
Abstract
Foam cells are lipid-laden macrophages that contribute to the inflammation and tissue damage associated with many chronic inflammatory disorders. Although foam cell biogenesis has been extensively studied in atherosclerosis, how these cells form during a chronic infectious disease such as tuberculosis is unknown. Here we report that, unlike the cholesterol-laden cells of atherosclerosis, foam cells in tuberculous lung lesions accumulate triglycerides. Consequently, the biogenesis of foam cells varies with the underlying disease. In vitro mechanistic studies showed that triglyceride accumulation in human macrophages infected with Mycobacterium tuberculosis is mediated by TNF receptor signaling through downstream activation of the caspase cascade and the mammalian target of rapamycin complex 1 (mTORC1). These features are distinct from the known biogenesis of atherogenic foam cells and establish a new paradigm for non-atherogenic foam cell formation. Moreover, they reveal novel targets for disease-specific pharmacological interventions against maladaptive macrophage responses.
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Affiliation(s)
- Valentina Guerrini
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Brendan Prideaux
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Landry Blanc
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Natalie Bruiners
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Riccardo Arrigucci
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Sukhwinder Singh
- Department of Pathology and Laboratory Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Hsin Pin Ho-Liang
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Hugh Salamon
- Knowledge Synthesis, Berkeley, CA, United States of America
| | - Pei-Yu Chen
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Karim Lakehal
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Selvakumar Subbian
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Paul O’Brien
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Laura E. Via
- Tuberculosis Research Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States of America
| | - Clifton E. Barry
- Tuberculosis Research Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States of America
| | - Véronique Dartois
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
| | - Maria Laura Gennaro
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States of America
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240
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Abstract
Exercise training results in adaptations to both skeletal muscle and white adipose tissue (WAT) and protects against metabolic disorders including obesity and type 2 diabetes. Exercise-induced adaptations include an altered profile of secreted proteins, both myokines (from skeletal muscle) and adipokines (from adipose tissue). These secreted proteins may act in an endocrine manner to facilitate tissue-to-tissue communication and "cross talk," likely working together to improve overall metabolic health. Some studies suggest that contracting skeletal muscles release myokines that may function to alter the phenotype of WAT, including WAT "beiging," in which there is increased expression of beige marker genes and increased presence of multilocular cells within the WAT.
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Affiliation(s)
- Kristin I Stanford
- Dorothy M. Davis Heart and Lung Research Institute, Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, Ohio 43210
| | - Laurie J Goodyear
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02215.,Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02215
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241
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Eschler DC, Kulina G, Garcia-Ocana A, Li J, Kraus T, Levy CJ. Circulating Levels of Bone and Inflammatory Markers in Gestational Diabetes Mellitus. Biores Open Access 2018; 7:123-130. [PMID: 30147996 PMCID: PMC6106713 DOI: 10.1089/biores.2018.0013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Gestational diabetes mellitus (GDM) can cause short- and long-term complications to the mother and fetus. While the precise mechanisms in preserving glucose balance in a healthy pregnancy are unknown, various growth factors and hormones have been implicated or associated with GDM risk in humans or rodents, including prolactin, tumor necrosis factor alpha (TNFα), osteoprotegerin (OPG), hepatocyte growth factor (HGF), and receptor activator of nuclear factor-kappa B ligand (RANKL). We aimed to evaluate the relationship of these and other protein markers in women with GDM. In this cross-sectional study, blood samples were collected from pregnant women with GDM and with normal glucose tolerance (NGT) at the 24- to 32-week obstetrical visit, during the 1-h oral glucose challenge test or 3-h oral glucose tolerance test. Blood plasma was analyzed for RANKL, OPG, prolactin, tumor necrosis factor-related apoptosis-inducing ligand (TRAIL), HGF, plasminogen activator inhibitor type 1 (PAI-1), and TNFα. Forty-six women with NGT and 47 women with GDM were included (mean ± standard deviation maternal age 31.6 ± 5.7, mean ± standard deviation gestational age 28.1 ± 2.2 weeks). Groups were similar in terms of age, body mass index, gestational age, and race/ethnicity. Serum levels of OPG, prolactin, TRAIL, HGF, PAI-1, and TNFα were similar in both groups. RANKL was lower in GDM subjects (p = 0.019). Contrary to previous reports in the literature, we found a lower serum RANKL level in women with GDM. Further investigation is needed to determine whether there are suitable serum markers for diagnosing GDM or determining prognosis or severity.
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Affiliation(s)
- Deirdre Cocks Eschler
- Division of Endocrinology and Metabolism, Stony Brook University Hospital, Stony Brook, New York
| | - Georgia Kulina
- Harbor View Medical Services, Division of Endocrinology, Mather Hospital Northwell Health, Port Jefferson, New York
| | - Adolfo Garcia-Ocana
- Division of Endocrinology Diabetes and Bone Disease, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Jiawen Li
- Department of Population Health Science & Policy, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Thomas Kraus
- Department of Center for Therapeutic Antibody Development, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Carol J Levy
- Division of Endocrinology Diabetes and Bone Disease, Icahn School of Medicine at Mount Sinai, New York, New York
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242
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Nasriati F, Hidayat R, Budiman B, Rinaldi I. Correlation Between Tumor Necrosis Factor-α Levels, Free Fatty Acid Levels, and Soluble Vascular Cell Adhesion Molecule-1 Levels in Rheumatoid Arthritis Patients. Open Rheumatol J 2018; 12:86-93. [PMID: 30123370 PMCID: PMC6062898 DOI: 10.2174/1874312901812010086] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/02/2018] [Accepted: 06/05/2018] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND The mortality of Rheumatoid Arthritis (RA) is quite high, which is largely due to cardiovascular complications caused by endothelial dysfunction. One of the important inflammatory mediators that contribute to RA joints arthritis of TNF-α, also proven to play a role in endothelial dysfunction and play a role in increasing intracellular lipolysis, thus increasing circulating FFA levels. OBJECTIVES To determine the correlation between TNF-α levels with VCAM-1 levels, correlation of TNF-α levels with FFA levels, and correlation of FFA levels with VCAM-1 levels. METHODS Cross sectional and retrospective design studies of adult RA patients treated at Cipto Mangunkusumo Hospital (RSCM), without metabolic disturbances, acute infection, cardiovascular disorders, or other autoimmune diseases. The cross-sectional data was collected from October to November 2017, while retrospective samples were collected since August 2016. TNF-α, VCAM-1, and FFA levels were assessed by serum blood test by ELISA method. Correlation analysis is done by Pearson analysis when the data distribution is normal and with Spearman analysis when the data distribution is not normal. RESULTS A total of 35 subjects were enrolled in the study. Most (97.1%) were women with an average age of 45.29 years, median disease duration of 48 months, and most had moderate disease activity (65.7%). No significant correlation was found between TNF-α levels and VCAM-1 levels (p = 0.677; r = +0.073). as well betwen TNF-α levels and FFA levels (p = 0.227; r = -0.21). The correlation between FFA and VCAM-1 levels showed significant correlation with negative correlation and weak correlation (p = 0.036; r = -0.355). CONCLUSIONS (1) There was no correlation between TNF-α levels and VCAM-1 levels in RA patients; (2) There was no correlation between TNF-α levels and FFA levels in RA patients; (3) There was a negative correlation between FFA levels and VCAM-1 levels in RA patients.
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Affiliation(s)
- Fazria Nasriati
- Department of Internal Medicine, Faculty of Medicine Universitas Indonesia -s Cipto Mangunkusumo General Hospital, Jalan Diponegoro 71,Jakarta 10310,Indonesia
| | - Rudy Hidayat
- Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo General Hospital, Jalan Diponegoro 71,Jakarta,Indonesia
| | - Budiman Budiman
- Division of Endocrinology and Metabolic Diseases, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo General Hospital, Jalan Diponegoro 71,Jakarta,Indonesia
| | - Ikhwan Rinaldi
- Clinical Epidemiology Unit, Department of Internal Medicine, Universitas Indonesia - Cipto Mangunkusumo General Hospital, Jalan Diponegoro 71,Jakarta,Indonesia
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243
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Brown M, McClean CM, Davison GW, Brown JCW, Murphy MH. The acute effects of walking exercise intensity on systemic cytokines and oxidative stress. Eur J Appl Physiol 2018; 118:2111-2120. [PMID: 30008038 PMCID: PMC6153601 DOI: 10.1007/s00421-018-3930-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 07/01/2018] [Indexed: 01/14/2023]
Abstract
Purpose Oxidative stress is associated with tissue cytokine secretion although the precise mechanism(s) underpinning this relationship during high intensity intermittent exercise remains unclear. This study investigates the acute response to a bout of high intensity intermittent walking (HIIW), compared to continuous moderate intensity walking (CMW), on various cytokines and biomarkers of oxidative stress. Methods Seventeen (n = 17) apparently healthy male participants (aged 22.6 ± 4.6 years; \documentclass[12pt]{minimal}
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\begin{document}$$\dot{V}{\text{O}}_{2} \max$$\end{document}V˙O2max: 53.7 ± 7.1 ml kg−1 min−1) undertook a randomised crossover study consisting of two exercise trials: (1) HIIW requiring 3 × 5 min bursts at 80% \documentclass[12pt]{minimal}
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\begin{document}$$\dot{V}{\text{O}}_{2} \max$$\end{document}V˙O2max (each separated by 5 min of walking at 30% \documentclass[12pt]{minimal}
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\begin{document}$$\dot{V}{\text{O}}_{2} \max$$\end{document}V˙O2max) and (2) CMW (60% \documentclass[12pt]{minimal}
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\begin{document}$$\dot{V}{\text{O}}_{2} \max$$\end{document}V˙O2max for 30 min). Each trial was separated by 7 days. Venous blood samples were obtained pre-exercise, post-exercise and at 2, 4, 24 and 48 h post-exercise for determination of systemic inflammation (IL-6 and TNF-α), lipid soluble antioxidants and oxidative stress (LOOH, H2O2 and the ascorbyl free radical). Results Both IL-6 and TNF-α increased immediately post exercise, regardless of intensity and remained elevated until at least 4 h (main effect for time; p < 0.05). While there was no change in either lipid peroxidation or free radical metabolism (Asc· and H2O2), α-tocopherol increased (pooled HIIW and CMW, p < 0.05), whereas lycopene decreased at 2 h post HIIW (p < 0.05). Conclusion Bouts of both HIIW and CMW promote cytokine secretion post exercise, and this seems to be independent of oxidative stress. Further investigation is required to assess how such changes may underpin some of the transient health benefits of exercise.
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Affiliation(s)
- Malcolm Brown
- Sport and Exercise Sciences Research Institute, Ulster University, Jordanstown, County Antrim, BT37 0QB, Northern Ireland, UK. .,School of Nursing and Midwifery, Medical Biology Centre, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK.
| | - Conor M McClean
- Sport and Exercise Sciences Research Institute, Ulster University, Jordanstown, County Antrim, BT37 0QB, Northern Ireland, UK
| | - Gareth W Davison
- Sport and Exercise Sciences Research Institute, Ulster University, Jordanstown, County Antrim, BT37 0QB, Northern Ireland, UK
| | - John C W Brown
- Sport and Exercise Sciences Research Institute, Ulster University, Jordanstown, County Antrim, BT37 0QB, Northern Ireland, UK
| | - Marie H Murphy
- Sport and Exercise Sciences Research Institute, Ulster University, Jordanstown, County Antrim, BT37 0QB, Northern Ireland, UK
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244
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Takamura S, Takahashi A, Inoue Y, Teraki Y. Effects of tumor necrosis factor-α, interleukin-23 and interleukin-17A inhibitors on bodyweight and body mass index in patients with psoriasis. J Dermatol 2018; 45:1130-1134. [PMID: 30004583 DOI: 10.1111/1346-8138.14526] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Accepted: 06/04/2018] [Indexed: 11/28/2022]
Abstract
Treatment with tumor necrosis factor-α inhibitors has been reported to cause weight gain in patients with psoriasis; however, limited information is available in terms of the effects of interleukin (IL)-23 and IL-17A inhibitors on bodyweight (BW) in patients with psoriasis. This study aimed to investigate the effects of infliximab, ustekinumab and secukinumab on BW and body mass index (BMI) in patients with psoriasis. We retrospectively examined changes in BW and BMI among patients treated with these biologics at our hospital. At baseline, no significant differences in BW and BMI were observed among the patients treated with infliximab (n = 18), ustekinumab (n = 30) or secukinumab (n = 20). After 7 months of the therapy, significant increases in mean BW (from 71.4 to 74.3 kg) and mean BMI (from 24.7 to 25.7) were observed in the patients treated with infliximab, whereas no significant changes were observed in those treated with ustekinumab (BW, from 70.3 to 70.1 kg; BMI, from 25.4 to 25.3) or secukinumab (BW, from 69.0 to 68.9 kg; BMI, from 25.2 to 25.2). There were no differences in the proportion of the patients who showed 75% or more improvement in the Psoriasis Area and Severity Index among the three groups. These results suggest that infliximab increases BW in the patients with psoriasis, whereas ustekinumab and secukinumab do not affect the BW in these patients.
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Affiliation(s)
- Saori Takamura
- Department of Dermatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Aya Takahashi
- Department of Dermatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Yumiko Inoue
- Department of Dermatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Yuichi Teraki
- Department of Dermatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
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245
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Abstract
CONTENT Spinal Cord Injury (SCI) results in physiological changes that markedly reduces whole-body metabolism, resulting in neurogenic obesity via adipose tissue accumulation. Adipose tissue has been implicated in the release of proinflammatory adipokines that lead to chronic, systemic inflammation, and evidence suggests these adipokines contribute to the pathogeneses of metabolic diseases that often accompany obesity. In this review, we propose the concept of neurogenic obesity through paralysis-induced adiposity as the primary source of systemic inflammation and metabolic dysfunction reported in chronic SCI. We also briefly discuss how exercise in SCI can attenuate the negative consequences of obesity-induced inflammation and its comorbidities. METHODS A MEDLINE, PubMed, Google Scholar, and ClinicalKey search was performed using the following search terms: obesity, adiposity, adipose tissue, proinflammatory adipokines, proinflammatory cytokines, metabolic dysfunction, exercise, physical activity, and spinal cord injury. All papers identified were full-text, English language papers. The reference list of identified papers was also searched for additional papers. RESULTS Research suggests that obesity in SCI results in a state of chronic, systemic inflammation primarily through proinflammatory adipokines secreted from excess adipose tissue. The reduction of adipose tissue through the use of diet and exercise demonstrates promise to combat neurogenic obesity, inflammation, and cardiometabolic dysfunction in SCI. CONCLUSION Proinflammatory adipokines may serve as biomarkers for the development of obesity-related complication in SCI. Mechanistic and interventional studies on neurogenic obesity-induced inflammation in chronic SCI are warranted.
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Affiliation(s)
- Gary J. Farkas
- Correspondence to: Gary J. Farkas Department of Physical Medicine and Rehabilitation, Penn State Milton S. Hershey Medical Center, Penn State College of Medicine, 500 University Drive, P.O. Box 850, Mail Code R120, Hershey, Pennsylvania 17033-0850, USA; Phone: 717-531-0003, x284930, 717-531-0354.
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246
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Chang CH, Chang YT, Tseng TH, Wang CJ. Mulberry leaf extract inhibit hepatocellular carcinoma cell proliferation via depressing IL-6 and TNF-α derived from adipocyte. J Food Drug Anal 2018; 26:1024-1032. [PMID: 29976395 PMCID: PMC9303032 DOI: 10.1016/j.jfda.2017.12.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 12/13/2017] [Accepted: 12/18/2017] [Indexed: 12/22/2022] Open
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247
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Egg white hydrolysate and peptide reverse insulin resistance associated with tumor necrosis factor-α (TNF-α) stimulated mitogen-activated protein kinase (MAPK) pathway in skeletal muscle cells. Eur J Nutr 2018; 58:1961-1969. [PMID: 29955954 PMCID: PMC6647935 DOI: 10.1007/s00394-018-1753-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 06/11/2018] [Indexed: 12/19/2022]
Abstract
Purpose Excessive formation of tumor necrosis factor-α (TNF-α), a pro-inflammatory cytokine, has been implicated in the development of insulin resistance in obesity and type-2 diabetes. In skeletal muscle, chronic exposure to TNF-α impairs insulin-stimulated glucose uptake and insulin signaling. The aim of this study is to investigate the effects of enzymatic egg white hydrolysate (EWH) and its responsible peptide, IRW, on TNF-α-induced insulin resistance and the underlying molecular mechanisms using rat skeletal muscle cells (L6 cells). Methods Insulin resistance was induced by treating L6 cells with 5 ng/ml TNF-α for 24 h. Effects of EWH and IRW on glucose uptake were detected by glucose uptake assay, glucose transporter 4 (GLUT4) translocation by immunofluorescence, and western blot, while insulin-signaling pathway and mitogen-activated protein kinase (MAPK) pathway were investigated using western blot. Results Adding both EWH and IRW significantly improved glucose uptake in TNF-α-treated cells, increased activation of insulin receptor substrate (IRS-1) tyrosine residue and protein kinase B (Akt), whereas decreased activation of IRS-1 serine residue. In addition, TNF-α-induced activation of p38-mitogen-activated protein kinase (p38) and c-Jun N-terminal kinases (JNK) 1/2 were decreased by either EWH or IRW treatment. Conclusion EWH and IRW improve impaired insulin sensitivity by down-regulating the activation of p38 and JNK1/2 in TNF-α-treated skeletal muscle cells.
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248
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Paradoxical role of tumor necrosis factor on metabolic dysfunction and adipose tissue expansion in mice. Nutrition 2018; 50:1-7. [DOI: 10.1016/j.nut.2017.07.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 06/30/2017] [Accepted: 07/08/2017] [Indexed: 12/20/2022]
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Shen J, Guo T, Wang T, Zhen Y, Ma X, Wang Y, Zhang ZX, Cai JP, Mao W, Zhu FM, Li JP, Wang ZL, Zhang DM, Liu ML, Shan XY, Zhang BW, Zhu CF, Deng ZH, Yu WJ, Chen Q, Li GL, Yang T, Lu S, Pan QQ, Fan S, Wang XY, Zhao X, Bi XY, Qiao YH, Su PC, Lv R, Li GY, Li HC, Pei B, Jiao LX, Shen G, Liu J, Feng ZH, Su YP, Xie YB, Di WY, Wang XY, Liu X, Zhang XP, Du D, Liu Q, Han Y, Chen JW, Gu M, Baier LJ. HLA-B*07, HLA-DRB1*07, HLA-DRB1*12, and HLA-C*03:02 Strongly Associate With BMI: Data From 1.3 Million Healthy Chinese Adults. Diabetes 2018; 67:861-871. [PMID: 29483183 PMCID: PMC6463754 DOI: 10.2337/db17-0852] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 02/16/2018] [Indexed: 12/16/2022]
Abstract
Strong associations between HLA alleles and infectious and autoimmune diseases are well established. Although obesity is also associated with these diseases, the relationship between HLA and obesity has not been systematically investigated in a large cohort. In the current study, we analyzed the association of HLA alleles with BMI using data from 1.3 million healthy adult donors from the Chinese Marrow Donor Program (CMDP). We found 23 HLA alleles, including 12 low-resolution and 11 high-resolution alleles, were significantly associated with BMI after correction for multiple testing. Alleles associated with high BMI were enriched in haplotypes that were common in both Chinese and European populations, whereas the alleles associated with low BMI were enriched in haplotypes common only in Asians. Alleles B*07, DRB1*07, DRB1*12, and C*03:02 provided the strongest associations with BMI (P = 6.89 × 10-10, 1.32 × 10-9, 1.52 × 10-9, and 4.45 × 10-8, respectively), where B*07 and DRB1*07 also had evidence for sex-specific effects (Pheterogeneity = 0.0067 and 0.00058, respectively). These results, which identify associations between alleles of HLA-B, DRB1, and C with BMI in Chinese young adults, implicate a novel biological connection between HLA alleles and obesity.
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Affiliation(s)
- Jie Shen
- The Center of Immunological Genetics and HLA Typing, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Endocrinology and Metabolism, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Tingwei Guo
- Department of Internal Medicine, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY
| | - Tao Wang
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY
| | - Yisong Zhen
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, and Peking Union Medical College, Beijing, China
| | - Xiao Ma
- The Center of Immunological Genetics and HLA Typing, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yuan Wang
- Flow Cytometry Core Facility, Albert Einstein College of Medicine, Bronx, NY
| | - Zhi-Xin Zhang
- HLA Laboratory, Beijing Red Cross Blood Center, Beijing, China
| | - Jian-Ping Cai
- The Key Laboratory of Geriatrics, Beijing Hospital, and Beijing Institute of Geriatrics, Ministry of Health, Beijing, China
- Quality Control Laboratory, China Bone Marrow Program, Beijing, China
| | - Wei Mao
- HLA Laboratory, Chongqing Blood Center, Chongqing, China
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- HLA Laboratory, Zhejiang Blood Center, Hangzhou, Zhejiang, China
| | - Jian-Ping Li
- HLA Laboratory, Liaoning Blood Center, Shenyang, Liaoning, China
| | - Zhen-Lei Wang
- HLA Laboratory, Hebei Blood Center, Shijiazhuang, Hebei, China
| | - De-Mei Zhang
- HLA Laboratory, Taiyuan Red Cross Blood Center, Taiyuan, Shanxi, China
| | - Meng-Li Liu
- HLA Laboratory, Shaanxi Blood Center, Xi'an, Shaanxi, China
| | - Xiao-Yan Shan
- HLA Laboratory, Beijing Red Cross Blood Center, Beijing, China
| | - Bo-Wei Zhang
- HLA Laboratory, Henan Blood Center, Zhengzhou, Henan, China
| | - Chuan-Fu Zhu
- HLA Laboratory, Shandong Blood Center, Jinan, Shandong, China
| | - Zhi-Hui Deng
- The Key Laboratory of Histocompatibility and Immunogenetics, Shenzhen Blood Center, Shenzhen, Guangdong, China
| | - Wei-Jian Yu
- HLA Laboratory, Dalian Red Cross Blood Center, Dalian, Liaoning, China
| | - Qiang Chen
- HLA Laboratory, Institute of Blood Transfusion, Chinese Academy of Medical Sciences, and Peking Union Medical College, Chengdu, Sichuan, China
| | - Guo-Liang Li
- HLA Laboratory, Jiangxi Blood Center, Nanchang, Jiangxi, China
| | - Tao Yang
- Department of Endocrinology and Metabolism, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Shan Lu
- Department of Health Education, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qin-Qin Pan
- The Center of Immunological Genetics and HLA Typing, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Su Fan
- The Center of Immunological Genetics and HLA Typing, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiao-Yan Wang
- The Center of Immunological Genetics and HLA Typing, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xing Zhao
- The Center of Immunological Genetics and HLA Typing, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xin-Yun Bi
- The Center of Immunological Genetics and HLA Typing, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yan-Hui Qiao
- HLA Laboratory, Xinjiang Blood Center, Urumchi, Xinjiang, China
| | - Pin-Can Su
- HLA Laboratory, Kunming Blood Center, Kunming, Yunnan, China
| | - Rong Lv
- HLA Laboratory, Hefei Red Cross Blood Center, Hefei, Anhui, China
| | - Guo-Ying Li
- HLA Laboratory, Gansu Red Cross Blood Center, Lanzhou, Gansu, China
| | - Heng-Cong Li
- HLA Laboratory, Nanning Blood Center, Nanning, Guangxi, China
| | - Bin Pei
- HLA Laboratory, Xiamen Blood Center, Xiamen, Fujian, China
| | - Li-Xin Jiao
- HLA Laboratory, Changchun Blood Center, Changchun, Jilin, China
| | - Gang Shen
- HLA Laboratory, Wuhan Blood Center, Wuhan, Hubei, China
| | - Jie Liu
- HLA Laboratory, Harbin Red Cross Blood Center, Harbin, Heilongjiang, China
| | - Zhi-Hui Feng
- HLA Laboratory, Qingdao Blood Center, Qingdao, Shandong, China
| | - Yu-Ping Su
- HLA Laboratory, Yueyang Red Cross Blood Center, Yueyang, Hunan, China
| | - Yu-Bin Xie
- HLA Laboratory, Changsha Blood Center, Changsha, Hunan, China
| | - Wen-Ying Di
- HLA Laboratory, Soochow Red Cross Blood Center, Suzhou, Jiangsu, China
| | - Xin-Yu Wang
- Department of Endocrinology, First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, China
| | - Xiang Liu
- HLA Laboratory, CapitalBio Corporation, Beijing, China
| | - Xiao-Ping Zhang
- HLA Laboratory, Beijing Genomics Institute, Shenzhen, Guangdong, China
| | - Dan Du
- Department of HLA Technology, China Bone Marrow Program, Beijing, China
| | - Qi Liu
- Department of HLA Technology, China Bone Marrow Program, Beijing, China
| | - Ying Han
- Department of HLA Technology, China Bone Marrow Program, Beijing, China
| | - Jia-Wei Chen
- Department of Endocrinology and Metabolism, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Min Gu
- Department of Urology, First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China
| | - Leslie J Baier
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD
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Semaan DG, Igoli JO, Young L, Gray AI, Rowan EG, Marrero E. In vitro anti-diabetic effect of flavonoids and pheophytins from Allophylus cominia Sw. on the glucose uptake assays by HepG2, L6, 3T3-L1 and fat accumulation in 3T3-L1 adipocytes. JOURNAL OF ETHNOPHARMACOLOGY 2018; 216:8-17. [PMID: 29339110 DOI: 10.1016/j.jep.2018.01.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 12/12/2017] [Accepted: 01/11/2018] [Indexed: 06/07/2023]
Abstract
BACKGROUND AND PURPOSE Based on ethno-botanical information collected from diabetic patients in Cuba and firstly reported inhibition of PTP1B and DPPIV enzymes activities, Allophylus cominia (A. cominia) was identified as possible source of new drugs that could be used for the treatment of type 2 diabetes mellitus (T2-DM). EXPERIMENTAL APPROACH in this study, the activity of the characterised extracts from A. cominia was tested on the glucose uptake using HepG2 and L6 cells, 3T3-L1 fibroblasts and adipocytes as well as their effect on the fat accumulation using 3T3-L1 adipocytes. KEY RESULTS on 2-NBDG glucose uptake assay using HepG2 and L6 cells, extracts from A. cominia enhanced insulin activity by increasing glucose uptake. On HepG2 cells Insulin EC50 of 93 ± 21nM decreased to 13 ± 2nM in the presence of the flavonoids mixture from A.cominia. In L6 cells, insulin also produced a concentration-dependent increase with an EC50 of 28.6 ± 0.7nM; EC50 decreased to 0.08 ± 0.02nM and 5 ± 0.9nM in the presence of 100μg/ml of flavonoids and pheophytins mixtures, respectively. In 3T3-L1 fibroblasts, insulin had an EC50 of >1000nM that decreased to 38 ± 4nM in the presence of the flavonoids extract. However, in adipocytes, insulin produced a significant concentration-dependent increase and an EC50 of 30 ± 8nM was a further confirmation of the insulin responsiveness of the adipocytes to the insulin. At 100µg/ml, flavonoids and pheophytins extracts decreased fat accumulation in 3T3-L1 adipocytes by two folds in comparison to the control differentiated cells (p < 0.05). The crude extract of A. cominia did not show any enhancement of 2-NBDG uptake by 3T3-L1 adipocytes in the presence or absence of 100nM insulin. In addition, in fully differentiated adipocytes, both extracts produced significant decrease in lipid droplets in the cells and no lipid accumulation were seen after withdrawal of the extracts from the cell growth medium. However, there was no effect of both extracts on total protein concentration in cells as well as on Glut-4 transporters. CONCLUSIONS AND IMPLICATIONS the pharmacological effects of the extracts from A. cominia observed in experimental diabetic models were shown in this study. A. cominia is potentially a new candidate for the treatment and management of T2-DM.
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Affiliation(s)
- D G Semaan
- Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, Scotland, United Kingdom.
| | - J O Igoli
- Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, Scotland, United Kingdom; Department of Chemistry, University of Agriculture, PMB 2373 Makurdi, Nigeria
| | - L Young
- Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, Scotland, United Kingdom
| | - A I Gray
- Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, Scotland, United Kingdom
| | - E G Rowan
- Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, Scotland, United Kingdom
| | - E Marrero
- National Centre for Animal and Plant Health (Centro Nacional de Sanidad Agropecuaria), San José de las Lajas, Mayabeque, Cuba
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