Abstract:
BACKGROUND:Sirtuin (SirT), a family of conserved histone deacetylases and transferases, has been proposed to function in inflammatory, cancer, and metabolic diseases. However, it is unclear how SirT modulates these processes. In this study, the effect of metformin on senescence and antisenescence mediators (SirT1-7, p53, and p16(INK4a)) mRNA expression in white blood cells (WBCs) following lipopolysaccharides (LPS)-induced inflammation in mice was examined. MATERIAL AND METHODS:C57BL/6 mice were treated with metformin in their drinking water (2 mg/mL) for 1 week followed by intraperitoneal injection of LPS from Escherichia coli serotype 0111:B4 at 2 mg/kg. Blood was collected at the basal level and 1, 2, and 3 hr after LPS injection. SirT1-7, p53, and p16(INK4a) mRNA expression in WBCs was measured by real-time quantitative polymerase chain reaction (RT-qPCR). RESULTS:SirT7 at 2 hr, SirT1 at 3 hr, and p16(INK4a) at 1 hr were inhibited significantly in WBCs following LPS injection. There were no significant changes in other SirT nor p53 mRNA expression in WBCs after LPS injection. Metformin inhibited SirT2 expression in WBCs significantly (P<0.05) and did not induce any significant changes in other SirT forms and p53, whereas it induced p16(INK4a) mRNA expression in WBCs (P<0.05) at the basal levels. Additionally, metformin treatment significantly inhibited SirT7, SirT1, and p16(INK4a) mRNA expression in WBCs at 1, 2, and 3 hr, whereas p53 was inhibited significantly at 2 hr after LPS injection. CONCLUSIONS:SirT7 and SirT1 are stress responsive proteins that may mediate inflammation. The data suggest that metformin may exert its potential antisenescence and anti-inflammatory effects by targeting SirT7 and SirT1 pathways. SirT7 inhibition may allow the healing process and prevention of tissue damage by enabling cells to survive through inhibition of cytokines and inflammatory mediators under severe stress conditions.
journal_name
Metab Syndr Relat Disordjournal_title
Metabolic syndrome and related disordersauthors
Aljada Adoi
10.1089/met.2014.0168subject
Has Abstractpub_date
2015-08-01 00:00:00pages
278-85issue
6eissn
1540-4196issn
1557-8518journal_volume
13pub_type
杂志文章abstract:BACKGROUND:It is unknown whether severe sarcopenia produces unfavorable effects on cardiovascular risk factors. To examine the influence of severe and moderate sarcopenia on selected cardiovascular risk factors, 687 men were screened; those exhibiting clinically relevant diseases and higher body fat percentage (>25% fa...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2012.0057
更新日期:2012-12-01 00:00:00
abstract:BACKGROUND:Metabolic syndrome is increasingly common in U.S. adolescents and has been linked to cognitive dysfunction. Purpose of this study is to explore associations between metabolic syndrome and cognitive impairment in U.S. adolescents using population-based data. STUDY DESIGN:Participants included adolescents age...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2016.0015
更新日期:2016-10-01 00:00:00
abstract:BACKGROUND:It has been reported that a continuous intake of a catechin beverage will reduce body fat. Traditionally, improvement of eating and exercise habits has been the basis for prevention and reduction of obesity. In this study, we conducted a trial involving human subjects who ingested a catechin beverage for 1 y...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2008.0061
更新日期:2009-08-01 00:00:00
abstract:BACKGROUND:The aim of this study was to compare the prevalence of metabolic syndrome in human immunodeficiency virus (HIV)-infected patients treated with highly active antiretroviral therapy (HAART), using the National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP III), European Group for the Study ...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2010.0129
更新日期:2011-10-01 00:00:00
abstract::The metabolic syndrome increases the risk of atherothrombotic cardiovascular disease (CVD) and diabetes. In turn, diabetes promotes the development of atheroma and is regarded as a coronary heart disease risk equivalent. A multifactorial therapeutic strategy is advocated for patients with the metabolic syndrome to imp...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2006.4.328
更新日期:2006-01-01 00:00:00
abstract:BACKGROUND:Metabolic syndrome is one of the most important health issues worldwide. Obesity causes insulin resistance, hyperlipidemia, diabetes, and various diseases throughout the body. The liver phenotype, which is called nonalcoholic steatohepatitis (NASH), frequently progresses to hepatocellular carcinoma. We recen...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2016.0114
更新日期:2017-05-01 00:00:00
abstract:BACKGROUND:Currently, guidelines for obesity thresholds relating to metabolic risk in South African women have not been established. Therefore, the aim of the study was to investigate the level and diagnostic ability of obesity measures [waist circumference (WC), waist-to-height ratio (WHtR), and visceral adipose tissu...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2011.0034
更新日期:2011-10-01 00:00:00
abstract:OBJECTIVE:Patients with metabolic syndrome are at increased risk of atherosclerotic coronary heart disease, often have mixed dyslipidemia, and may thus require more aggressive treatment of multiple lipid parameters. The objective of this investigation was to compare the treatment response of ezetimibe co-administered w...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章,随机对照试验
doi:10.1089/met.2010.0068
更新日期:2011-04-01 00:00:00
abstract:BACKGROUND:Nonalcoholic fatty liver disease (NAFLD) is a major risk factor for type 2 diabetes, cardiovascular disease, and liver failure. Treatment with n-3 long-chain polyunsaturated fatty acids (n-3 LCPUFAs) produced variable success in improving NAFLD. The purpose of this review is to determine if n-3 LCPUFA will d...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章,评审
doi:10.1089/met.2016.0051
更新日期:2016-11-01 00:00:00
abstract:BACKGROUND:We investigated the effect of short-term telmisartan usage in addition to lifestyle changes such as diet and exercise on insulin resistance, lipid metabolism, and serum adiponectin and tumor necrosis factor-alpha (TNF-α) levels in hypertensive patients with metabolic syndrome (MetS). METHODS:A total of 36 h...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章,随机对照试验
doi:10.1089/met.2018.0129
更新日期:2019-04-01 00:00:00
abstract::Type 2 diabetes mellitus (T2DM) and prediabetes (or patients at risk for diabetes) have been increasing in epidemic proportions. Dyslipidemia and hypertension are cardiovascular risk factors frequently associated with diabetes and prediabetes. Bile acid sequestrants (BAS) were initially approved for the treatment of e...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章,评审
doi:10.1089/met.2010.0087
更新日期:2010-12-01 00:00:00
abstract:BACKGROUND:Growth arrest-specific 6 (Gas6) is a vitamin K-dependent protein secreted by immune cells, endothelial cells, vascular smooth muscle cells, and adipocytes. Recent studies indicate that Gas6 and receptors of the TAM (Tyro3, Axl, and Mer) family may be involved in the pathogenesis of obesity, systemic inflamma...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2017.0143
更新日期:2019-02-01 00:00:00
abstract:: Background: Glycated hemoglobin (HbA1c) is an index of the average blood glucose level over the preceding 2-3 months. In experimental studies, the lens responded to changes in osmolarity by forming vacuoles. By observing the vacuoles of the lens during eye examination, can...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2018.0076
更新日期:2018-12-01 00:00:00
abstract:BACKGROUND:Metabolic syndrome occurs commonly in the United States. The purpose of this study was to measure the prevalence of metabolic syndrome among American Indian and Alaska Native people. METHODS:We measured the prevalence rates of metabolic syndrome, as defined by the National Cholesterol Education Program, amo...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2008.0021
更新日期:2008-12-01 00:00:00
abstract:BACKGROUND:Isolated postchallenge hyperglycemia (IPH) is an early form of type 2 diabetes with fasting glucose <126 mg/dL and 2-hr postchallenge glucose ≥200 mg/dL. The purpose of this study was to explore the relationships of high-sensitivity C-reactive protein (hsCRP) with IPH. METHODS:We recruited 476 naturally pos...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2015.0118
更新日期:2016-09-01 00:00:00
abstract:BACKGROUND:Obesity and metabolic syndrome are significant global health issues, with current public health messages predominately focused on altering dietary and physical activity behaviors. Resveratrol is a polyphenol (stilbenoid) commonly found in grapes, and human trials to date have shown conflicting and limited be...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章,评审
doi:10.1089/met.2016.0035
更新日期:2016-09-01 00:00:00
abstract:BACKGROUND:Cognitive decline has been shown to be associated with long-term type 2 diabetes mellitus (T2DM). This review analyzes the present literature to ascertain the role of regular physical activity (PA) for the functioning of the diabetic brain. METHODS:PubMed was systematically searched for relevant publication...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章,meta分析,评审
doi:10.1089/met.2017.0120
更新日期:2017-12-01 00:00:00
abstract:BACKGROUND:The purpose of this study was to examine effect modifiers of the relationship between family history of diabetes, a proxy for genetic predisposition, and the metabolic syndrome. METHODS:Subjects were a cross-sectional sample of 205 Mexican-Americans patients of the San Ysidro Health Center in San Diego Coun...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2006.0035
更新日期:2007-09-01 00:00:00
abstract:BACKGROUND:Patients with morbid obesity have a high risk of developing type 2 diabetes mellitus (T2DM). Important risk factors include body mass index (BMI), waist circumference, and insulin resistance. In this prospective study, we investigated if preoperative lifestyle changes followed by bariatric surgery could redu...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2013.0085
更新日期:2013-12-01 00:00:00
abstract:BACKGROUND:This study aimed to evaluate the association between decreased estimated glomerular filtration rate (eGFR <60 mL/min/1.73 m2) and metabolic syndrome (MetS) according to muscle mass. METHODS:Body composition was measured in 3351 men and 4394 women aged between 19 and 97 years using the 2010-2011 Korea Nation...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2016.0017
更新日期:2016-10-01 00:00:00
abstract:: Background: In patients with diabetes mellitus, the serum uric acid (UA) to creatinine (Cr) ratio (UA/Cr) has been reported to be associated with a higher risk of metabolic syndrome (MetS). In healthy subjects, however, this relationship and a possible association with pat...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2019.0024
更新日期:2019-09-01 00:00:00
abstract:BACKGROUND:Variants in the fat mass and obesity-associated (FTO) gene are associated with obesity and type 2 diabetes mellitus. AIM OF THE STUDY:This study aims to assess the association of the rs9939609 variant and haplotypes in FTO gene with metabolic syndrome (MetS) components in a Tunisian population sample. METH...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2015.0090
更新日期:2016-03-01 00:00:00
abstract:BACKGROUND:Nonalcoholic fatty liver disease (NAFLD) is strongly associated to oxidative stress, metabolic syndrome, and cardiovascular risk. Hepatocytes overloaded with fatty acids (FA) could generate substances that interfere with endothelial function, providing a potential explanation for this association. We have in...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2010.0140
更新日期:2011-10-01 00:00:00
abstract:BACKGROUND:Metabolic syndrome is prevalent in adults characterized by increased visceral adiposity and insulin resistance (IR). However, the link between pancreatic β-cell function and metabolic syndrome severity in adults across the glucose spectrum is unknown. We hypothesized that poor β-cell function would independe...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2013.0083
更新日期:2014-03-01 00:00:00
abstract:BACKGROUND:Patients with insulin resistance (IR) have a higher prevalence of thyroid nodules. In the present study, we present original data showing that patients with differentiated thyroid carcinoma (DTC) also have a higher frequency of IR. METHODS:Twenty women with DTC (group 1, G1) and 20 euthyroid individuals (co...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2008.0062
更新日期:2009-08-01 00:00:00
abstract::Metabolic syndrome is closely associated with morbid obesity and leads to increased risk of cardiovascular diseases and related mortality. Bariatric surgery is considered an effective option for the management of this condition. We searched MEDLINE, Current Contents, and the Cochrane Library for papers published on ba...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章,评审
doi:10.1089/met.2014.0115
更新日期:2015-05-01 00:00:00
abstract:BACKGROUND:The relationship between the metabolic syndrome and subclinical atherosclerosis among elderly people remains controversial. We seek to investigate the associations of metabolic syndrome and its components with subclinical carotid atherosclerosis in older people living in rural China. METHODS:This cross-sect...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2013.0135
更新日期:2014-06-01 00:00:00
abstract:OBJECTIVE:The aim of this was to study the prevalence of diabetes in the rural adult population of Haryana, India. RESEARCH DESIGN AND METHODS:A total of 2606 adults aged ≥ 18 years were randomly selected from two rural blocks of Haryana State. Those without diabetes were subjected to a 75-gram oral glucose tolerance ...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2012.0067
更新日期:2012-12-01 00:00:00
abstract:BACKGROUND:In adult studies, obese subjects with nonalcoholic fatty liver disease (NAFLD) have been shown to have poor sperm quality, and lower testosterone and luteinizing hormone levels. The aim of this study was to investigate the pubertal status and gonadal functions in obese boys with NAFLD. MATERIALS AND METHODS...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2018.0050
更新日期:2019-03-01 00:00:00
abstract:BACKGROUND:Multiple abnormal metabolic traits are found together or "cluster" within individuals more often than is predicted by chance. The individual and combined role of adiposity and insulin resistance (IR) on metabolic trait clustering is uncertain. We tested the hypothesis that change in trait clustering is a fun...
journal_title:Metabolic syndrome and related disorders
pub_type: 杂志文章
doi:10.1089/met.2013.0148
更新日期:2014-09-01 00:00:00