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 170,190 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Birth weight is a popular topic, because it is precisely recorded, a major determinant of infant survival, associated with infant mortality, and health outcomes later in life. Low birth weight (LBW) is a predisposing factor for metabolic abnormalities such as atherosclerosis, renal disease, non-insulin diabetes mellitus, asthma, low IQ, hypertension, obesity, psychological distress. They have all been reported to be more common among those who were small at birth. Due to lack of studies suggesting a linkage between LBW and diseases of liver; evidences, which support the hypothesis on the creation of a link between LBW, an indicator of unfavourable intrauterine environment, and liver diseases emerging in the adult life, and possible direct associations of LBW with liver diseases, e.g., hepatitis, non-alcoholic fatty liver disease, cirrhosis, hepatoblastoma, or hepatocellular carcinoma were discussed. The associations between LBW and hepatitis vaccination as well as paediatric parental nutrition were also noted.
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PMID:Low birth weight: a possible risk factor also for liver diseases in adult life? 1367 7

Obesity, non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) are becoming increasingly common medical problems in the developed world, often in the setting of the metabolic or insulin resistance syndrome (IRS). It is predicted that by the year 2025 > 25 million Americans may have NASH-related liver disease. NASH and NAFLD also affect the donor population. The use of steatotic donor livers for liver transplantation (LT) is associated with an increased risk of primary nonfunction (PNF) in the allograft. There is particular reluctance to use steatotic livers for living donor LT. There is indirect evidence to suggest that patients undergoing LT for cirrhosis resulting from NASH may have poorer outcome, despite careful selection of LT candidates. Indeed it is likely that many potential LT candidates with NASH are excluded from LT due to co-morbid conditions related to IRS. The post-LT patient is at risk of several components of IRS, such as diabetes mellitus, hypertension, hyperlipidaemia and obesity and there is increasing recognition of de novo and recurrent NAFLD and NASH after LT. Thus NAFLD and NASH affect all aspects of LT including donors, patients in evaluation and the LT recipient.
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PMID:Non-alcoholic fatty liver disease, non-alcoholic steatohepatitis and orthotopic liver transplantation. 1508 61

Ezetimibe is a novel lipid-lowering agent that inhibits intestinal absorption of dietary and biliary cholesterol. The effects of ezetimibe on low-density lipoprotein (LDL)-cholesterol were found to generally consistent across all subgroups analyzed, including baseline lipid profile, hypertension, diabetes mellitus, and body mass index. Furthermore, recent clinical studies also revealed that co-administration of ezetimibe with on-going statins offered a well-tolerated and efficacious treatment to lower LDL-cholesterol levels in hypercholesterolemic patients with diabetes mellitus or the metabolic syndrome. Niemann-Pick C1 like 1 (NPC1L1) protein is recently found to be critical for intestinal cholesterol absorption, and is a target protein for ezetimibe. Human NPC1L1 protein is predominantly expressed in liver, whereas small intestine expression is only about 2-4% of that found in the liver. Thus, NPC1L1 does not function solely in the intestinal cholesterol absorption. Furthermore, loss of NPC1L1 expression has been shown to protect against diet-induced fatty liver. These observations let us to speculate that ezetimibe will become a new therapeutic approach for the treatment of non-alcoholic fatty liver, the hepatic manifestation of insulin resistant patients with the metabolic syndrome. In this paper, we would like to propose the possible ways of testing our hypothesis as follows. (1) Does ezetimibe treatment improve fatty liver in patients with hypercholesterolemia or the metabolic syndrome? If the answers are yes, are these beneficial effects of ezetimibe superior to those of other anti-hyperlipidemic resins with equihypolipidemic properties? (2) Does ezetimibe treatment improve insulin sensitivity in fatty liver patients with the metabolic syndrome? (3) How about the effects of ezetimibe treatment on serum levels of adiponectin, a key adipokine with insulin-sensitizing property? Large clinical trials will provide us with more definite information whether ezetimibe treatment can improve fatty liver and resultantly reduce the risk of progression of liver diseases in patients with the metabolic syndrome.
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PMID:Inhibition of intestinal cholesterol absorption by ezetimibe is a novel therapeutic target for fatty liver. 1683 21

Metabolic syndrome represents a common risk factor for premature cardiovascular disease and cancer whose core cluster includes diabetes, hypertension, dyslipidaemia and obesity. The liver is a target organ in metabolic syndrome patients in which it manifests itself with non-alcoholic fatty liver disease spanning steatosis through hepatocellular carcinoma via steatohepatitis and cirrhosis. Given that metabolic syndrome and non-alcoholic fatty liver disease affect the same insulin-resistant patients, not unexpectedly, there are amazing similarities between metabolic syndrome and non-alcoholic fatty liver disease in terms of prevalence, pathogenesis, clinical features and outcome. The available drug weaponry for metabolic syndrome includes aspirin, metformin, peroxisome proliferator-activated receptor agonists, statins, ACE (angiotensin I-converting enzyme) inhibitors and sartans, which are potentially or clinically useful also to the non-alcoholic fatty liver disease patient. Studies are needed to highlight the grey areas in this topic. Issues to be addressed include: diagnostic criteria for metabolic syndrome; nomenclature of non-alcoholic fatty liver disease; enlargement of the clinical spectrum and characterization of the prognosis of insulin resistance-related diseases; evaluation of the most specific clinical predictors of metabolic syndrome/non-alcoholic fatty liver disease and assessment of their variability over the time; characterization of the importance of new risk factors for metabolic syndrome with regard to the development and progression of non-alcoholic fatty liver disease.
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PMID:Review article: the metabolic syndrome and non-alcoholic fatty liver disease. 1622 69

Although the characteristics of non-alcoholic steatohepatitis (NASH) and non-alcoholic fatty liver disease (NAFLD) have become well recognized, mainly in the clinical and pathological fields, epidemiological findings, including magnitude of the disease in a population (prevalence, outcomes, and mortality) and risk factors (relative risk and population attributable risk) are scarce in the Asia-Oceania region. Obesity is known to be one of the most important risk factors for NASH/NAFLD, and observed increases in NASH/NAFLD in selected areas or settings may be linked to the increase in overweight and obesity in Japanese adults in the last few decades. Obesity could be a major key to explaining NASH/NAFLD, because of the complex causal web that includes obesity, insulin resistance, dyslipidemia, high blood pressure, etc. In this paper epidemiological data on overweight and obesity were summarized as underlying factors for NAFLD with special reference to yearly trends and regional differences in the prevalence of obesity and overweight in Japanese adults using large-scale representative samples from the National Nutrition Surveys. Unfortunately, as very few published reports on population-based epidemiological data for NAFLD are currently available, we referred to selected data obtained from field settings to estimate the prevalence of NAFLD in the general population and its risk factors or associated factors. It is important to understand NASH/NAFLD as a common "burden of disease" in the populations if effective strategies to control these disorders are to be devised as part of public health initiatives.
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PMID:Epidemiological aspects of obesity and NASH/NAFLD in Japan. 1622 88

Non Alcoholic Fatty Liver Disease (NAFLD), with prevalence of 10-51% in general population involving all ages, is the major cause of elevation of ALT and a common finding by ultrasound screening and may range from simple steatosis, to Non Alcoholic Steatohepatitis (NASH) and its clinical consequences as cirrhosis and hepatocellular carcinoma. In this review will be analyse factors influencing the onset of the disease. NAFLD, primarly associated with insulin resistance, is in fact considered the hepatic manifestation of the metabolic syndrome: a cluster of disorder that includes obesity, diabetes mellitus, dyslipidaemia, arteriosclerosis and hypertension. The increased incidence and prevalence of obesity and diabetes may explain growing interest in NAFLD. Racial, ethnic, enviromental and behaviour models are also reviewed.
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PMID:Nonalcoholic fatty liver disease: defining a common problem. 1623 86

Obesity is a major risk factor for the development of the metabolic syndrome, a cluster of diseases including insulin resistance, type 2 diabetes, dyslipidemia, hypertension, microalbuminuria, atherosclerosis, and non-alcoholic steatohepatitis. On the other hand, it is now generally accepted that adipose tissue acts as an endocrine organ producing a number of substances with an important role in the regulation of food intake, energy expenditure and a series of metabolic processes. Adiponectin is a recently discovered hormone produced exclusively by adipocytes. In fact, adiponectin is considered currently as a major factor in obesity-related insulin resistance and atherosclerosis. This new hormone differs from other adipocytokines in that its production and concentrations are actually decreased in insulin resistant subjects. The aim of this review is to summarize the current knowledge about the chemistry and physiology of adiponectin and to discuss its implications in the pathophysiology and potential treatment of insulin resistance and non-alcoholic fatty liver disease.
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PMID:Adiponectin, structure, function and pathophysiological implications in non-alcoholic fatty liver disease. 1678 75

Although steatohepatitis can be induced by an excessive intake of alcohol, it can also arise through various other causes, in which case it is known as non-alcoholic fatty liver disease (NAFLD). NAFLD is classified into two categories:simple fatty liver with a favorable clinical outcome, and non-alcoholic steatohepatitis (NASH), which is intractable and progressive. Recently in Japan, there has been an increase in the number of individuals at risk of lifestyle-related diseases, due to increased insulin resistance and visceral fat obesity. The metabolic syndrome (MS) is associated with several risk factors for atherosclerosis, including diabetes mellitus (DM), hypertension, and hyperlipidemia. Visceral fat obesity is the prime cause of NASH in the liver, and is therefore considered to be one of the phenotypic features of MS. Furthermore, most chronic liver diseases are associated with hepatitis C virus (HCV) infection. Fatty degeneration of hepatocytes is often observed in the liver of HCV-infected individuals, and results from viral suppression of mitochondrial beta-oxidation of fatty acid. The natural outcome of HCV infection is worse in patients with lifestyle-related high insulin resistance and visceral fat obesity. In this review, we describe the recent advances in research on progressive liver diseases that are the result of fat accumulation in the liver, with special reference to MS.
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PMID:1. Fatty liver and non-alcoholic steatohepatitis. 1722 Jun 9

Obesity and obesity related diseases are a major public health problem. Recent studies have shown that fat tissue is not a simple energy storage organ, but exerts important endocrine and immune functions. These are achieved predominantly through release of adipocytokines, which include several novel and highly active molecules released abundantly by adipocytes like leptin, resistin, adiponectin or visfatin, as well as some more classical cytokines released possibly by inflammatory cells infiltrating fat, like TNF-alpha, IL-6, MCP-1 (CCL-2), IL-1. All of those molecules may act on immune cells leading to local and generalized inflammation and may also affect vascular (endothelial) function by modulating vascular nitric oxide and superoxide release and mediating obesity related vascular disorders (including hypertension, diabetes, atherosclerosis, and insulin resistance) but also cancer or non-alcoholic fatty liver diseases. Present review, in a concise form, focuses on the effects of major adipocytokines, characteristic for adipose tissue like leptin, adiponectin, resistin and visfatin on the immune system, particularly innate and adaptive immunity as well as on blood vessels. Macrophages and T cells are populating adipose tissue which develops into almost an organized immune organ. Activated T cells further migrate to blood vessels, kidney, brain and other organs surrounded by infiltrated fat leading to their damage, thus providing a link between metabolic syndrome, inflammation and cardiovascular and other associated disorders. Ceretain treatments may lead to significant changes in adipocytokine levels. For example include beta-2 adrenoreceptor agonists, thiazolidinediones as well as androgens lead to decrease of plasma leptin levels. Moreover future treatments of metabolic system associated disorders should focus on the regulation of adipocytokines and their modes of action.
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PMID:Adipocytokines - novel link between inflammation and vascular function? 1722 78

Non-alcoholic fatty liver disease has been associated with metabolic disorders, including central obesity, dyslipidemia, hypertension and hyperglycemia. Metabolic syndrome, obesity, and insulin resistance are major risk factors in the pathogenesis of non-alcoholic fatty liver disease. Non-alcoholic fatty liver disease refers to a wide spectrum of liver damage, ranging from simple steatosis to non-alcoholic steatohepatitis, advanced fibrosis and cirrhosis.
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PMID:Non-alcoholic fatty liver disease: further expression of the metabolic syndrome. 1729 57


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