Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0020473 (hyperlipidemia)
 15,891 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The aim of this study was to determine whether pitavastatin may prevent the progression of atherosclerotic changes in hyperlipidemic patients. Seventy-five hyperlipidemic patients with and without type 2 diabetes were enrolled to receive pitavastatin 2 mg daily. Cell adhesion molecules (sCD40L, sP-selectin, sE-selectin, and sL-selectin), chemokines (MCP-1 and RANTES) and adiponectin were measured at baseline and after 3 and 6 months of pitavastatin treatment. Adiponectin levels prior to pitavastatin treatment in hyperlipidemic patients with and without diabetes were lower than levels in normolipidemic controls. Both total cholesterol and the LDL-cholesterol (LDL-C) decreased significantly after pitavastatin administration. Additionally, hyperlipidemic patients with type 2 diabetes exhibited a significant increase in adiponectin levels after pitavastatin treatment (before vs. 3 months, 6 months, 2.81+/-0.95 vs. 3.84+/-0.84 microg/ml (p<0.01), 4.61+/-1.15 mug/ml (p<0.001)). Furthermore, hyperlipidemic diabetics exhibited significant decreases in sE-selectin and sL-selectin levels after 6 months of pitavastatin treatment (sE-selectin, before vs. 6 months, 74+/-21 vs. 51+/-10 ng/ml, p<0.05; sL-selectin, before vs. 6 months, 896+/-141 vs. 814+/-129 ng/ml, p<0.05). In addition, adiponectin showed significant correlation with sE-selectin and sL-selectin in diabetic hyperlipidemia. However, MCP-1, RANTES and sCD40L did not exhibit any differences before or after pitavastatin administration. These results suggest that pitavastatin possesses an adiponectin-dependent anti-atherosclerotic effect in hyperlipidemic patients with type 2 diabetes in addition to its lowering effects on total cholesterol and LDL-C.
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PMID:Correlation between adiponectin and reduction of cell adhesion molecules after pitavastatin treatment in hyperlipidemic patients with type 2 diabetes mellitus. 1792 Jun 63

Epidemiological studies indicate that the risk factors for the development of various cancers are closely associated with metabolic symptoms such as obesity, hyperlipidemia, and insulin resistance caused by the excess consumption of high-calorie diets. However, the mechanisms of tumor growth and metastasis caused by feeding a high-calorie diet have not been clarified yet in tumor-bearing mice. In this study, we examined the effects of a high-fat (HF), a high-sucrose (HS), a high-cholesterol (HC) or a low-fat/low-sucrose (LF/LS) diet on tumor growth and metastasis in tumor-bearing mice. Angiogenic factors such as plasma leptin and monocyte chemoattractant protein-1 (MCP-1) were increased after the implantation of tumors, whereas conversely, an antiangiogenic factor, adiponectin, was reduced after the implantation of tumors in mice fed the HF, the HS, or the HC diet compared to LF/LS diet. Furthermore, we found that vascular endothelial growth factor, hypoxia inducible factor-1alpha and MCP-1 expression levels in tumors of mice fed the HF, the HS, or the HC diet were increased compared to those of mice fed the LF/LS diet. These findings suggest that the acceleration of tumor growth and metastasis by feeding the 3 diets may be due to the increase of angiogenic factors and the reduction of antiangiogenic factors.
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PMID:High-fat, high-sucrose, and high-cholesterol diets accelerate tumor growth and metastasis in tumor-bearing mice. 1800 Dec 16

We compared the effects of telmisartan and valsartan on late lumen loss and inflammatory markers after sirolimus-eluting stent implantation in hypertensive patients. This was a prospective, randomized, single-blinded, 8-month follow-up study that included hypertensive patients with significant coronary artery stenosis treated with telmisartan (n=79) or valsartan (n=80). Risk factors such as diabetes, hyperlipidemia, smoking, and obesity were similar between groups. After 8 months of follow-up, only the telmisartan group showed significant decreases in interleukin-6 and tumor necrosis factor-alpha. The decreases from baseline level in total cholesterol and low-density lipoprotein cholesterol concentrations were significantly greater in the telmisartan group. The increase in adiponectin concentrations from baseline measurements was significantly greater in the telmisartan group than in the valsartan group (1.9+/-2.7 vs 0.4+/-2.0 microg/ml, respectively, p<0.05). Moreover, late lumen loss was significantly lower in the telmisartan group than in the valsartan group (0.1+/-0.4 vs 0.3+/-0.5 mm, respectively, p=0.001). Major adverse cardiac events were similar between groups. In conclusion, compared with valsartan, telmisartan was associated with a significant decrease in late lumen loss and inflammatory markers after sirolimus-eluting stent implantation in hypertensive patients with significant coronary narrowing.
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PMID:Comparison of effects of telmisartan and valsartan on late lumen loss and inflammatory markers after sirolimus-eluting stent implantation in hypertensive patients. 1803 59

The effects of treatment with pitavastatin on inflammatory and platelet activation markers and adiponectin in 117 patients with hyperlipidemia were investigated to determine whether pitavastatin may prevent the progression of atherosclerotic changes in hyperlipidemic patients. Adiponectin levels prior to pitavastatin treatment in hyperlipidemic patients with and without diabetes were lower than levels in normolipidemic controls. Both total cholesterol and the low-density lipoprotein cholesterol decreased significantly after pitavastatin administration. Additionally, hyperlipidemic patients with or without type 2 diabetes exhibited a significant increase in adiponectin levels 6 months after pitavastatin treatment (diabetes: 3.52 +/- 0.80 vs. 4.52 +/- 0.71 microg/ml, p < 0.001; no diabetes: 3.48 +/- 0.71 vs. 4.23 +/- 0.82 microg/ml, p < 0.05). However, high-sensitivity C-reactive protein, platelet-derived microparticle and soluble P-selectin did not exhibit any differences before or after pitavastatin administration. Levels of adiponectin significantly increased after pitavastatin administration in the group of lower soluble P-selectin (soluble P-selectin before pitavastatin treatment <200 ng/ml). These results suggest that pitavastatin possesses an adiponectin-increasing effect in patients with hyperlipidemia and this effect is influenced by intensive platelet activation.
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PMID:Effects of pitavastatin on adiponectin in patients with hyperlipidemia. 1833 8

Studies performed during the last decade indicate that adipose tissue is not only a site of triglyceride storage but also an active endocrine organ which secretes many biologically active mediators referred to as "adipokines". In contrast to many adipokines which are overproduced in obese individuals and exert deleterious effects on insulin sensitivity, lipoprotein metabolism and cardiovascular system, such as leptin, tumor necrosis factor-alpha, plasminogen activator inhibitor-1, resistin, etc., adiponectin seems to be a unique adipokine which is produced in lower amounts in obese than in lean subjects and possesses predominantly beneficial activities, i.e. increases insulin sensitivity, stimulates fatty acid oxidation, inhibits inflammatory reaction and induces endothelium-dependent nitric oxide-mediated vasorelaxation. Adiponectin binds two receptors, AdipoR1 and AdipoR2. Adiponectin knockout mice exhibit various manifestations of the metabolic syndrome such as insulin resistance, glucose intolerance, hyperlipidemia, impaired endothelium-dependent vasorelaxation and hypertension, as well as augmented neointima formation after vascular injury. Clinical studies indicate that plasma adiponectin concentration is lower in patients with essential hypertension and ischemic heart disease. Raising endogenous adiponectin level or increasing the sensitivity to this hormone may be a promising therapeutic strategy for patients with metabolic and cardiovascular diseases. Among currently used drugs, thiazolidinediones (peroxisome proliferator activated receptor gamma agonists) are most effective in elevating adiponectin level.
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PMID:Adiponectin and its role in cardiovascular diseases. 1833 52

Partial leptin deficiency is not uncommon in the general population. We hypothesized that leptin insufficiency could favor obesity, nonalcoholic steatohepatitis (NASH), and other metabolic abnormalities, particularly under high calorie intake. Thus, mice partially deficient in leptin (ob/+) and their wild-type (+/+) littermates were fed for 4 mo with a standard-calorie (SC) or a high-calorie (HC) diet. Some ob/+ mice fed the HC diet were also treated weekly with leptin. Our results showed that, when fed the SC diet, ob/+ mice did not present significant metabolic abnormalities except for elevated levels of plasma adiponectin. Under high-fat feeding, increased body fat mass, hepatic steatosis, higher plasma total cholesterol, and glucose intolerance were observed in +/+ mice, and these abnormalities were further enhanced in ob/+ mice. Furthermore, some metabolic disturbances, such as blunted plasma levels of leptin and adiponectin, reduced UCP1 expression in brown adipose tissue, increased plasma liver enzymes, beta-hydroxybutyrate and triglycerides, and slight insulin resistance, were observed only in ob/+ mice fed the HC diet. Whereas de novo fatty acid synthesis in liver was decreased in +/+ mice fed the HC diet, it was disinhibited in ob/+ mice along with the restoration of the expression of several lipogenic genes. Enhanced expression of several genes involved in fatty acid oxidation was also observed only in ob/+ animals. Leptin supplementation alleviated most of the metabolic abnormalities observed in ob/+ fed the HC diet. Hence, leptin insufficiency could increase the risk of obesity, NASH, glucose intolerance, and hyperlipidemia in a context of calorie overconsumption.
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PMID:Partial leptin deficiency favors diet-induced obesity and related metabolic disorders in mice. 1834 16

Corosolic acid (CRA), a constituent of Banaba leaves, has been reported to exert anti-hypertension, anti-hyperinsulinemia, anti-hyperglycemia, and anti-hyperlipidemia effects as well as to induce anti-inflammatory and anti-oxidative activities. The aim of this study was to investigate the inhibitory effects of CRA on the development of obesity and hepatic steatosis in KK-Ay mice, a genetically obese mouse model. Six-week-old KK-Ay mice were fed a high fat diet for 9 weeks with or without 0.023% CRA. Nine-week CRA treatment resulted in 10% lower body weight and 15% lower total fat (visceral plus subcutaneous fat) mass than in control mice. CRA treatment reduced fasting plasma levels of glucose, insulin, and triglyceride by 23%, 41%, and 22%, respectively. The improved insulin sensitivity in CRA-treated mice may be due on part to the increased plasma adiponectin and white adipose tissue (WAT) AdipoR1 levels. In addition, CRA treatment increased the expression of peroxisome proliferator-activated receptor (PPAR) alpha in liver and PPAR gamma in WAT. This is the first study to show that CRA treatment can contribute to reduced body weight and amelioration of hepatic steatosis in mice fed a high fat diet, due in part to increased expression of PPAR alpha in liver and PPAR gamma in WAT.
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PMID:Dietary corosolic acid ameliorates obesity and hepatic steatosis in KK-Ay mice. 1837 57

We have shown previously that a maternal junk food diet during pregnancy and lactation plays a role in predisposing offspring to obesity. Here we show that rat offspring born to mothers fed the same junk food diet rich in fat, sugar and salt develop exacerbated adiposity accompanied by raised circulating glucose, insulin, triglyceride and/or cholesterol by the end of adolescence (10 weeks postpartum) compared with offspring also given free access to junk food from weaning but whose mothers were exclusively fed a balanced chow diet in pregnancy and lactation. Results also showed that offspring from mothers fed the junk food diet in pregnancy and lactation, and which were then switched to a balanced chow diet from weaning, exhibited increased perirenal fat pad mass relative to body weight and adipocyte hypertrophy compared with offspring which were never exposed to the junk food diet. This study shows that the increased adiposity was more enhanced in female than male offspring and gene expression analyses showed raised insulin-like growth factor-1 (IGF-1), insulin receptor substrate (IRS)-1, vascular endothelial growth factor (VEGF)-A, peroxisome proliferator-activated receptor-gamma (PPARgamma), leptin, adiponectin, adipsin, lipoprotein lipase (LPL), Glut 1, Glut 3, but not Glut 4 mRNA expression in females fed the junk food diet throughout the study compared with females never given access to junk food. Changes in gene expression were not as marked in male offspring with only IRS-1, VEGF-A, Glut 4 and LPL being up-regulated in those fed the junk food diet throughout the study compared with males never given access to junk food. This study therefore shows that a maternal junk food diet promotes adiposity in offspring and the earlier onset of hyperglycemia, hyperinsulinemia and/or hyperlipidemia. Male and female offspring also display a different metabolic, cellular and molecular response to junk-food-diet-induced adiposity.
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PMID:Offspring from mothers fed a 'junk food' diet in pregnancy and lactation exhibit exacerbated adiposity that is more pronounced in females. 1846 62

Adiponectin is secreted from adipocytes in different multimers, of which the high molecular weight (HMW) form is supposed to mediate favorable metabolic and anti-atherogenic effects. We determined adiponectin multimers in 29 female and 22 male patients with familial combined hyperlipidemia (FCH) and 51 age-, gender-, and BMI-matched controls in relation to cardiovascular disease (CVD). We observed a clear sexual dimorphism of total adiponectin and its multimers. Female, but not male, FCH patients had significant lower total adiponectin and both HMW and low molecular weight (LMW) adiponectin than controls. The adiponectin sensitivity index (ASI), reflected by HMW/total adiponectin, and the LMW/HMW adiponectin ratio did not differ significantly between FCH females and control females. However, FCH females with CVD exhibited significantly lower ASI (34.2+/-10.1% vs 46.0+/-7.1%) and higher LMW/HMW ratio (1.5+/-0.8 vs 0.7+/-0.3) compared to FCH females without CVD, reflecting a more atherogenic adiponectin multimer distribution.
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PMID:Adiponectin multimer distribution in patients with familial combined hyperlipidemia. 1876 68

Obesity and hyperlipidemia are common findings after kidney transplantation (Tx), and may represent independent risk factors for development of atherosclerosis and chronic allograft nephropathy. In a prospective metabolic study, we monitored a total of 68 obese transplant patients (body mass index > 30 kg/m2) with dyslipidemia. We compared findings of a new therapeutic regimen 1 year (at baseline) and 2 years after renal transplantation. Using the Subjective Global Assessment, at the end of the first year an Individualized Hypoenergetic-Hypolipidemic diet was initiated. Subsequently, after withdrawal of corticosteroids IHHD was regularly supplemented with statins (atorvastatin 10-20 mg/day) and followed-up for 2 years. All patients were on a regimen of cyclosporin A or tacrolimus and mycophenolate mofetil. During the study period, there was a significant decrease in BMI (p<0.25) and an increase in adiponectin levels (p<0.01). Long-term therapy was associated with a significant decrease in serum leptin (p<0.01) and lipid metabolism parameters (p<0.01). Insulin clearance mean systolic and diastolic blood pressure, proteinuria and apo-lipoprotein E isoforms did not differ significantly. Based on our results, we can assume that obesity and hyperlipidemia after renal transplantation can be effectively treated by modified immunosuppression (corticosteroid withdrawal), statins and long-term diet (IHHD). The increased levels of adiponectin may be a marker of reduced atherosclerosis and chronic allograft nephropathy.
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PMID:Metabolic syndrome after renal transplantation. 1892 53


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