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Query: UMLS:C0028754 (obesity)
 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Secondary hyperlipidaemia is common and occurs frequently in disorders such as obesity, alcoholism, diabetes mellitus, hypothyroidism, liver and renal diseases and as a side-effect of drug therapy, particularly for hypertension. Its management may be important to prevent complications such as coronary heart disease and acute pancreatitis. Its study provides many fascinating insights into lipoprotein pathophysiology.
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PMID:Secondary hyperlipidaemia. 210 Jun 85

Secondary hyperlipidemia is a major cardiovascular risk factor in individuals with type 2 diabetes. Increased hepatic production of apolipoprotein B (apoB)-containing lipoproteins contributes to the elevated plasma levels, but the mechanism is poorly understood. Recent results have established that microsomal triglyceride transfer protein (MTP) is rate limiting for the assembly and secretion of apoB-containing lipoproteins. To better understand the mechanism of type 2 diabetes-associated hyperlipidemia, we quantified hepatic MTP mRNA levels, hepatic microsomal triglyceride transfer activity, and in vivo triglyceride secretion from the liver in two diabetic mouse models. Obese diabetic (ob/ob) mice had 45% higher (P = 0.006) hepatic MTP mRNA levels, 54% higher (P < 0.0001) microsomal triglyceride transfer activity, and 70% higher (P < 0.0001) in vivo triglyceride secretion rates compared with ob/+ control mice. In contrast, in lean streptozotocin-treated diabetic mice, hepatic MTP mRNA levels were unchanged, whereas microsomal triglyceride transfer activity and in vivo triglyceride secretion rates were marginally decreased. These studies suggest that obesity-induced type 2 diabetes in mice confers increases in hepatic MTP expression and secretion of triglyceride-rich lipoproteins. High blood glucose and altered hepatic expression of sterol regulatory element binding protein genes play a minor role in this diabetic response.
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PMID:Hepatic expression of microsomal triglyceride transfer protein and in vivo secretion of triglyceride-rich lipoproteins are increased in obese diabetic mice. 1191 50

Lipid metabolism in dogs can be divided into exogenous and endogenous pathways and exhibits some unique characteristics compared to other species. Hyperlipidemia is common in dogs, and can be either primary or secondary to other diseases. Secondary hyperlipidemia is the most common form and can be a result of endocrine disorders, pancreatitis, cholestasis, protein-losing nephropathy, obesity, and high fat diets. Primary hyperlipidemia is less common and usually associated with certain breeds. Hypertriglyceridemia of Miniature Schnauzers is the most common type of primary hyperlipidemia in dogs in the United States, and appears to have a genetic basis although its etiology remains unknown. Possible complications of canine hyperlipidemia include pancreatitis, liver disease, atherosclerosis, ocular disease, and seizures. Management is achieved by administration of low fat diets with or without the administration of lipid-lowering agents such as omega-3 fatty acids, gemfibrozil, and niacin.
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PMID:Lipid metabolism and hyperlipidemia in dogs. 1916 16

Hyperlipidaemia refers to an increased concentration of lipids in the blood. Hyperlipidaemia is common in dogs and has recently emerged as an important clinical condition that requires a systematic diagnostic approach and appropriate treatment. Hyperlipidaemia can be either primary or secondary to other diseases. Secondary hyperlipidaemia is the most common form in dogs, and it can be a result of endocrine disorders, pancreatitis, cholestasis, protein-losing nephropathy, obesity, as well as other conditions and the use of certain drugs. Primary hyperlipidaemia is less common in the general canine population but it can be very common within certain breeds. Hypertriglyceridaemia of Miniature Schnauzers is the most common form of primary hyperlipidaemia in dogs but other breeds are also affected. Possible complications of hyperlipidaemia in dogs include pancreatitis, liver disease, atherosclerosis, ocular disease and seizures. Management of primary hyperlipidaemia in dogs is achieved by administration of ultra low-fat diets with or without the administration of lipid lowering drugs such as omega-3 fatty acids, fibrates, niacin and statins.
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PMID:Canine hyperlipidaemia. 2645 68