Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0011860 (type 2 diabetes)
 57,723 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The metabolic syndrome has been characterized by a cluster of abnormalities that include obesity, hyperglycemia, dyslipidemia, and hypertension. Other conditions associated with this syndrome include microalbuminuria, inflammation, a prothrombotic state, and a fatty liver. Together, these abnormalities lead to an environment where the risk of developing both type 2 diabetes and atherosclerotic cardiovascular disease are greatly enhanced. Recognition of this syndrome by practitioners, early treatment, and long-term management are crucial for disease prevention. Successful treatment requires the introduction of lifestyle changes initially and pharmacotherapy subsequently if lifestyle changes are not sufficient.
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PMID:Pathophysiology and long-term management of the metabolic syndrome. 1568 14

Until recently, the majority of cases of diabetes mellitus among children and adolescents were immune-mediated type 1a diabetes. Obesity has led to a dramatic increase in the incidence of type 2 diabetes (T2DM) among children and adolescents over the past 2 decades. Obesity is strongly associated with insulin resistance, which, when coupled with relative insulin deficiency, leads to the development of overt T2DM. Children and adolescents with T2DM may experience the microvascular and macrovascular complications of this disease at younger ages than individuals who develop diabetes in adulthood, including atherosclerotic cardiovascular disease, stroke, myocardial infarction, and sudden death; renal insufficiency and chronic renal failure; limb-threatening neuropathy and vasculopathy; and retinopathy leading to blindness. Health care professionals are advised to perform the appropriate screening in children at risk for T2DM, diagnose the condition as early as possible, and provide rigorous management of the disease.
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PMID:Childhood obesity and type 2 diabetes mellitus. 1606 6

Nonalcoholic fatty liver disease (NAFLD) refers to a wide picture of liver damage, ranging from steatosis to steatohepatitis, fibrosis and cirrhosis. The epidemiological studies demonstrated an association of NAFLD with obesity, type 2 diabetes and hyperlipidemia. Under this light the metabolic syndrome (MS), including NAFLD, obesity, central fat distribution, diabetes, dyslipidemia, hypertension and atherosclerotic cardiovascular disease (CVD) can be considered the link to explain the presence of vascular diseases in patients with NAFLD. In NHANES III, the authors demonstrated that the presence of MS was associated with increased risk of myocardial infarction, stroke or both. In a prospective study on 1209 Finnish middle-aged men without CVD or diabetes at baseline, Lakka showed that MS per se is associated with an increased risk of CVD and all-cause mortality. Finally the Atherosclerosis Risk in Communities (ARIC) confirmed that subjects with MS were 2 times more likely to have prevalent coronary heart disease. From a pathophysiological point of view, growing evidences implicate the oxidative stress as the unifying mechanism for many CVD risk factors. Under this light there is emerging evidence suggesting that there is a significant increase in vascular oxidative stress in patients with MS, with the presence of endothelial dysfunction in the early stage of the syndrome. Indeed, the inflammation process evidentiated in these patients is initiated at the endothelial level, stressing the key role of this active and dynamic tissue in the pathophysiological pathways. Under this light the endothelium can be considered as the last effector of a multi-syndrome and the main target of all the future studies focused on the underlying mechamisms of this complex network. Because of the potential serious public health impact, the comprehension of these patophysiological pathways will be crucial to design new preventive measures and therapeutic strategies.
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PMID:Hepatic steatosis and vascular disease. 1623 88

The metabolic syndrome is a common cluster of risk factors for coronary heart disease and type 2 diabetes mellitus that includes obesity, elevated blood pressure, insulin resistance, and dyslipidemia. The diagnosis of metabolic syndrome itself appears to be an important risk factor for atherogenic cardiovascular disease and diabetes, and there is recent evidence that its components cluster, rather than occurring together by coincidence. A recent statement from the American Heart Association and the National Heart, Lung, and Blood Institute slightly modifies and clarifies the diagnostic criteria for the metabolic syndrome that are most widely used in the United States, along with giving practical guidance about management. Prompt therapeutic attention to the underlying risk factors--abdominal obesity, physical inactivity, and atherogenic/diabetogenic diet--is warranted for all patients with the metabolic syndrome, and drug therapy for specific metabolic risk factors should be considered for those at high or moderately high 10-year absolute risk of atherosclerotic cardiovascular disease. A new class of investigational drugs that block cannabinoid type 1 receptors have shown promise. This review also discusses issues that require additional research and new drugs that are considered promising for treatment of the metabolic syndrome itself.
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PMID:A constellation of complications: the metabolic syndrome. 1647 59

The Metabolic syndrome is a widely prevalent and multi-factorial disorder. The syndrome has been given several names, including- the metabolic syndrome, the insulin resistance syndrome, the plurimetabolic syndrome, and the deadly quartet. With the formulation of NCEP/ATP III guidelines, some uniformity and standardization has occurred in the definition of metabolic syndrome and has been very useful for epidemiological purposes. The mechanisms underlying the metabolic syndrome are not fully known; however resistance to insulin stimulated glucose uptake seems to modify biochemical responses in a way that predisposes to metabolic risk factors. The clinical relevance of the metabolic syndrome is related to its role in the development of cardiovascular disease. Management of the metabolic syndrome involves patient-education and intervention at various levels. Weight reduction is one of the main stays of treatment. In this article we comprehensively discuss this syndrome- the epidemiology, pathogenesis, clinical relevance and management. The need to do a comprehensive review of this particular syndrome has arisen in view of the ever increasing incidence of this entity. Soon, metabolic syndrome will overtake cigarette smoking as the number one risk factor for heart disease among the US population. Hardly any issue of any primary care medical journal can be opened without encountering an article on type 2 diabetes, dyslipidemia or hypertension. It is rare to see type 2 diabetes, dyslipidemia, obesity or hypertension in isolation. Insulin resistance and resulting hyperinsulinemia have been implicated in the development of glucose intolerance (and progression to type 2 diabetes), hypertriglyceridemia, hypertension, polycystic ovary syndrome, hypercoagulability and vascular inflammation, as well as the eventual development of atherosclerotic cardiovascular disease manifested as myocardial infarction, stroke and myriad end organ diseases. Conversely, treatment and consequent improvement of insulin resistance have been shown to result in better outcomes in virtually all of these conditions.
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PMID:Metabolic syndrome. 1650 79

Current guidelines recommend that weight-loss therapy should be primarily based upon specific body mass index (BMI) cut-off limits. However, in the adipocentric paradigm, it is acknowledged that co-morbidities, such as type 2 diabetes mellitus, hypertension, and dyslipidemia, occur at all levels of BMI. Excessive fat mass (adiposity) in genetically susceptible individuals results in fat dysfunction (adiposopathy), which then contributes to metabolic disorders that increase the risk of atherosclerotic cardiovascular disease. In this paradigm, the term "anti-obesity" treatment might best be replaced by "anti-adiposopathy" treatment, wherein the focus is not based solely on BMI, but instead directed towards physiologically improving fat cell function and clinically improving the metabolic health of patients. This may occur through appropriate diet, physical exercise, and other lifestyle changes, and/or from drug therapies. Cannabinoid receptor antagonists and peroxisome proliferator activated receptor agonists are examples of agents that physiologically improve fat function and clinically improve metabolic disease.
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PMID:Adiposopathy is a more rational treatment target for metabolic disease than obesity alone. 1651 49

The metabolic syndrome is characterized by the clustering of insulin resistance, dyslipidemia, and hypertension and is associated with increased risk of cardiovascular disease and type 2 diabetes mellitus. However, older antihypertensive agents such as thiazide diuretics and beta-blockers have potentially adverse effects on glucose and lipid metabolism and may even the exacerbate the metabolic syndrome and increase risk of type 2 diabetes. Recent clinical trials have suggested that antihypertensive agents that inhibit the renin-angiotensin system may reduce risk for new-onset type 2 diabetes, but only a few of these studies were placebo controlled, and in most cases, the absolute antidiabetic effects were relatively modest. Evidence is accumulating that telmisartan, in addition to blocking the angiotensin II type 1 receptor, activates the peroxisome proliferator-activated receptor (PPAR)-gamma a well-known target for treatment of the metabolic syndrome and diabetes. By contrast, other angiotensin-receptor blockers are largely devoid of activity on PPAR-gamma. Telmisartan is a partial agonist of PPAR-gamma and has a superior tolerability profile without causing the fluid retention and edema associated with full agonists of PPAR-gamma such as pioglitazone and rosiglitazone. Recent studies have indicated that in addition to antidiabetic properties, PPAR-gamma activators may also provide protection against atherosclerosis and coronary events. Thus, the ability of telmisartan both to activate PPAR-gamma and to block the angiotensin receptor may provide added value not only in the treatment of the metabolic syndrome and prevention of type 2 diabetes but also in prevention and treatment of atherosclerotic cardiovascular disease.
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PMID:New treatment strategies for patients with hypertension and insulin resistance. 1656 44

The metabolic syndrome is a constellation of metabolic risk factors for atherosclerotic cardiovascular disease (ASCVD) occurring in one individual. There are five cardiovascular risk factors that accompany the metabolic syndrome: atherogenic dyslipidemia [elevated apolipoprotein B (apo B), elevated triglyceride, small low-density lipoprotein (LDL) particles, and low high-density lipoprotein (HDL)cholesterol], elevated blood pressure, elevated glucose, a prothrombotic state, and a proinflammatory state. The likelihood of an individual developing metabolic syndrome is enhance by underlying risk factors, notably, obesity, insulin resistance, lack of physical activity, advancing age, and hormonal factors (e.g., androgens and corticosteroids). Besides being at higher risk for ASCVD, persons with the metabolic syndrome are at increased risk for type 2 diabetes. Persons with the metabolic syndrome deserve management in the clinical setting to reduce the risk for both ASCVD and type 2 diabetes. The two major therapeutic strategies for treatment of affected persons are modification of the underlying risk factors and separate drug treatment of the particular metabolic risk factors when appropriate. First-line therapy for underlying risk factors is therapeutic lifestyle changes, i.e., weight loss in obese persons, increased physical activity, and anti-atherogenic diet. These changes will improve all of the metabolic risk factors. Whether use of drugs to reduce insulin resistance is effective, safe, and cost-effective before the onset of diabetes awaits the results of more clinical research. Turning to individual risk components, for atherogenic dyslipidemia, drug therapies that promote lowering of apo B and raise HDL cholesterol will be needed for higher risk patients. Treatment of categorical hypertension with drugs has become standard practice. When hyperglycemia reaches the diabetic level, glucose-lowering agents will become necessary when dietary control is no longer effective, and reduction of a prothrombotic state with low-dose aspirin may be indicated in higher-risk patients.
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PMID:Metabolic syndrome: therapeutic considerations. 1659 97

Endothelial cell dysfunction and apoptosis are critical in the pathogenesis of atherosclerotic cardiovascular disease (CVD). Both endothelial cell apoptosis and atherosclerosis are reduced by high-density lipoprotein (HDL). Low HDL levels increase the risk of CVD and are also a key characteristic of the metabolic syndrome. The apolipoprotein E4 (APOE4) allele also increases the risk of atherosclerosis and CVD. We previously demonstrated that the antiapoptotic activity of HDL is inhibited by APOE4 very-low-density lipoprotein (APOE4-VLDL) in endothelial cells, an effect similar to reducing the levels of HDL. Here we establish the intracellular mechanism by which APOE4-VLDL inhibits the antiapoptotic pathway activated by HDL. We show that APOE4-VLDL diminishes the phosphorylation of Akt by HDL but does not alter phosphorylation of c-Jun N-terminal kinase, p38, or Src family kinases by HDL. Furthermore APOE4-VLDL inhibits Akt phosphorylation by reducing the phosphatidylinositol 3-kinase product phosphatidylinositol-(3,4,5)-triphosphate (PI[3,4,5]P3). We further demonstrate that APOE4-VLDL reduces PI(3,4,5)P3, through the phosphoinositol phosphatase SHIP2, and not through PTEN. SHIP2 is already implicated as an independent risk factor for type II diabetes, hypertension and obesity, which are also all components of the metabolic syndrome and independent risk factors for CVD. Significantly, the association between CVD and type 2 diabetes or hypertension is further increased by the APOE4 allele. Therefore the activation of SHIP2 by APOE4-VLDL, with the subsequent inhibition of the HDL/Akt pathway, is a novel and significant biological mechanism and may be a critical intermediate by which APOE4 increases the risk of atherosclerotic CVD.
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PMID:APOE4-VLDL inhibits the HDL-activated phosphatidylinositol 3-kinase/Akt Pathway via the phosphoinositol phosphatase SHIP2. 1697 5

The development of cholesterol-lowering drugs, including a statins, bile acid sequestrants and cholesterol absorption inhibitors has expanded the options for cardiovascular prevention. Recent treatment guidelines emphasise that individuals at substantial risk for atherosclerotic coronary heart disease should meet defined lipid targets. Combination therapy with drugs that have different and complementary mechanisms of action is often needed to achieve these goals. Existing approaches to the treatment of hypercholesterolaemia are still ineffective in halting the progression of coronary artery disease in some patients despite combination therapies. Other patients are resistant to, or intolerant of, conventional pharmacotherapy and remain at high-risk of atherosclerotic cardiovascular disease, so that alternative approaches are needed. New agents, including inhibitors of microsomal triglyceride transfer protein (MTP), may play a future role, either alone or in combination, in the treatment of hyperlipidaemias. This review focuses on novel approaches to treat dyslipidaemias via the inhibition of MTP. Patients most suitable for use of MTP inhibitors include those with hepatic hypersecretion of apoB, including the metabolic syndrome, Type 2 diabetes mellitus and familial combined hyperlipidaemia, as well as homozygous and heterozygous familial hypercholesterolaemia. However, certain safety issues with these agents need resolving, particularly fatty liver disease.
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PMID:MTP inhibition as a treatment for dyslipidaemias: time to deliver or empty promises? 1722 33


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