Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: EC:2.6.1.2 (alanine aminotransferase)
26,722 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Blood lipids and high-sensitivity C-reactive protein (hsCRP) are used to assess cardiovascular disease (CVD) risk. We evaluated in a cross-sectional design the relationship of hsCRP to markers of liver function (aspartate and alanine transaminases [AST and ALT, respectively]), CVD risk factors and HIV-disease progression markers in 226 HIV-1 sero-positive drug users. hsCRP showed a significant inverse relationship with ALT and high-density lipoprotein, independent of age, gender, viral load, CD4 cell-count and antiretroviral (ARV) use, and was not significantly associated with HIV-disease progression markers. Serum markers of liver damage, AST and ALT, were associated with lower hsCRP, total cholesterol, low-density lipoproteins and triglycerides. Elevated liver enzymes (> or =40 IU/L) were predictive of hsCRP levels that are considered a low risk for CVD. In conclusion, hsCRP may not be a reliable marker of CVD risk in populations with HIV at-risk for elevated liver enzymes due to high hepatitis B virus/hepatitis C virus prevalence and ARV use.
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PMID:C-reactive protein: a poor marker of cardiovascular disease risk in HIV+ populations with a high prevalence of elevated serum transaminases. 1859 80

In July 2002, one of the largest outbreaks of Legionnaires' disease associated with a public bathhouse in Japan occurred in Miyazaki. The local government and the University of Miyazaki performed a retrospective investigation of those persons who were considered to have been exposed to Legionella. This investigation provided a unique opportunity to analyze the clinical presentation of patients with outbreak-associated Legionnaires' disease. The purpose of the present study was to analyze high-resolution computerized tomography (HRCT) scans for the characteristic findings of Legionnaires' disease and to evaluate the correlation between the radiological severity on the initial chest X-ray and the outcome of the patients. Radiological findings of HRCT were analyzed in 35 patients. The radiological severity on chest X-ray was evaluated in 69 patients, utilizing the pneumonia scoring system proposed by the Research Committee on Legionnaires' Disease of the Ministry of Health, Labour and Welfare of the Japanese Government. Air-space consolidation, ground-glass opacity, and pleural effusion were common features on HRCT in patients with Legionnaires' disease. Typical HRCT findings showed bilateral multilobar infiltrates in the subpleural areas without centrilobular opacities. Multivariate logistic regression analysis identified male sex, short incubation period, high serum C-reactive protein, high serum alanine aminotransferase, hyponatremia, and positive Legionella urinary antigen test results as independent risk factors for high pneumonia scores. Patients with high pneumonia scores required significantly longer hospitalization and showed poor prognoses.
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PMID:An outbreak of Legionnaires' disease associated with a circulating bathwater system at a public bathhouse. II: radiological findings of pneumonia. 1862 75

It has been previously reported that serum levels of 70-kDa heat-shock protein (Hsp70) are elevated in preeclampsia. The aim of the present study was to examine whether increased serum Hsp70 levels are related to clinical characteristics and standard laboratory parameters of preeclamptic patients, as well as to markers of inflammation (C-reactive protein), endothelial activation (von Willebrand factor antigen) or endothelial injury (fibronectin), trophoblast debris (cell-free fetal DNA) and oxidative stress (malondialdehyde). Sixty-seven preeclamptic patients and 70 normotensive, healthy pregnant women were involved in this case-control study. Serum Hsp70 levels were measured with enzyme-linked immunosorbent assay (ELISA). Standard laboratory parameters (clinical chemistry) and C-reactive protein (CRP) levels were determined by an autoanalyzer using the manufacturer's kits. Plasma von Willebrand factor antigen (VWF:Ag) levels were quantified by ELISA, and plasma fibronectin concentration by nephelometry. The amount of cell-free fetal DNA in maternal plasma was determined by quantitative real-time polymerase chain reaction analysis of the sex-determining region Y gene. Plasma malondialdehyde levels were measured by the thiobarbituric acid-based colorimetric assay. Serum Hsp70 levels were increased in preeclampsia. Furthermore, serum levels of blood urea nitrogen, creatinine, bilirubin and CRP, serum alanine aminotransferase and lactate dehydrogenase (LDH) activities, as well as plasma levels of VWF:Ag, fibronectin, cell-free fetal DNA and malondialdehyde were also significantly higher in preeclamptic patients than in normotensive, healthy pregnant women. In preeclamptic patients, serum Hsp70 levels showed significant correlations with serum CRP levels (Spearman R = 0.32, p = 0.010), serum aspartate aminotransferase (R = 0.32, p = 0.008) and LDH activities (R = 0.50, p < 0.001), as well as with plasma malondialdehyde levels (R = 0.25, p = 0.043). However, there was no other relationship between serum Hsp70 levels and clinical characteristics (age, parity, body mass index, blood pressure, gestational age, fetal birth weight) and laboratory parameters of preeclamptic patients, including markers of endothelial activation or injury and trophoblast debris. In conclusion, increased serum Hsp70 levels seem to reflect systemic inflammation, oxidative stress and hepatocellular injury in preeclampsia. Nevertheless, further studies are required to determine whether circulating Hsp70 plays a causative role in the pathogenesis of the disease.
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PMID:Increased serum heat-shock protein 70 levels reflect systemic inflammation, oxidative stress and hepatocellular injury in preeclampsia. 1868 14

Patients with Inflammatory Bowel Disease (IBD) are exposed to nutritional risk. Malnutrition in Crohn's Disease (CD) and to a somewhat lesser in Ulcerative Colitis (UC) is very frequent. Depending on the severity of the disease, weight loss has been reported in 65% to 76% of those with CD and in 18% to 62% of those with UC. The role of Total Parenteral Nutrition (TPN) is essential in very severe cases where enteral nutrition is not tolerated or standard drug therapy is not effective. Nutritional therapy is important for the correction of nutritional deficiency, especially in cases where elective surgical treatment is required. This study examined the effects of preoperative TPN administration in patients with IBD. Since 1990, 29 pts, 13 (44.8%) male and 16 (55.2%) female with severe IBD; 16 (55.2%) with UC and 13 (44.8%) with CD were treated with TPN in our department in the preoperative period. Evaluation of this group was compared with a group which was not treated with TPN preoperatively: 61 pts, 34 (55.7%) male, 27 (44.3%) female; 50 (82%) with CD, 11 (18%) with UC. Evaluation of this group was compared with the group of patients who were subjected to surgical procedure without prior TPN administration, in total a number of 61, of whom 34 (55.7%) were male and 27 (44.3%) female patients. In this group, the number of patients with CD and UC was 50 (82%) and 11(18%) respectively. During the course of the study, the following parameters were examined: Body mass index (BMI), Disease Activity Index (CDAI/AI), laboratory parameters and the number of hospital days. The parameters were analysed before the surgical intervention, and one week and six months after the surgical intervention. The duration of the application of TPN was 12.5 +/- 5 days. The analysis of these parameters has shown that there is no statistically significant difference in the number of hospital days in both groups, which was 18.9 +/- 8.9 in the intervention group and 18.9 +/- 6.5 days in the control group, p = 0.9808, but analysis of the Disease Activity (CDAI/AI) has shown that patients who were on TPN were in a more severe stage of the disease. In the TPN treated group of patients none, 0 pts (0%), of the pts had no Index of Activity, 1.7 pts (24.1%) had Index 2 and 22 (75.9%) had Index 3. In the other group 3 pts (4.9%) had Index 1; 39 pts (63.9%) had Index 2 and 19 pts (31.2%) had Index of Activity 3. During the monitoring period of six months the activity of the disease was lower in patients treated with TPN. The BMI in the group of patients treated with TPN was lower in both sexes. It was lower than 18.4 in 7 males and 5 females; between 18.4 and 19.9 in 2 males and 4 females; between 19.9 and 25 in 3 males and 6 females; between 25 and 19.9 in 1 male and 1 female; there were no pts with BMI higher than 29.9. In the control non-TPN group, 5 males and 3 females had BMI < or = 18.4; 2 males and 5 females had between 18.4 and 19.9; 23 males and 13 females had between 19.9 and 25; 3 males and 5 females had between 25 and 29.9 and 1 male and 1 female had BMI higher than 29.9. The BMI had an increasing trend in the postoperative period in both groups. The laboratory parameters that we examined were: number of erythrocytes and sedimentation, number of leukocytes, haemoglobin levels, total number of lymphocytes, albumin level, C-reactive protein, orosomucoid, electrolytes; sodium, potassium, calcium and serum iron, the enzymes (AP, AST and ALT); level of bilirubin and urea and creatinine. The results were analysed using the Tukey honest significant difference test (HSD), ANOVA and Student t-test. Statistically significant differences were observed between preoperative and postoperative period in both groups. The intergroup comparison showed significant differences in the level of albumin, AST, ALT and bilirubin.
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PMID:Total parenteral nutrition in treatment of patients with inflammatory bowel disease. 1870 98

Adult-onset Still's disease (AOSD) is a rare systemic inflammatory disorder of unknown etiology. It is characterized by fever, skin rash, polyarthralgias or polyarthritis, sore throat, hepatosplenomegaly, lymphadenopathy, leukocytosis, liver enzyme elevation, and high serum level of ferritin. Several kinds of skin lesions have been reported in this condition. The aim of this study was to assess the clinical and laboratory aspects of 28 patients with AOSD in central Iran. According to the diagnostic criteria of AOSD, we identified 28 patients between 2002 and 2007. We intended to describe the clinical characteristics, treatment, and outcome of our patients with AOSD. Of 28 patients with AOSD, 21 (75%) were female, 7 (25%) were male. Fever (100%), sore throat (92%), Arthralgia (92%), dermatographism (92%), typical rash (85%) and arthritis (60%) were the most common findings. The mean values of laboratory findings were as follows; C-reactive protein (CRP) level of 14.4 mg/dl, erythrocyte sedimentation rate (ESR) of 91.5 mm/h, leukocyte count of 15744.4/microl. Abnormal levels of aspartate aminotransferase and alanine aminotransferase were observed in 25 (89%) patients. Twenty patients (71%) had high ferritin values (>500 ng/ml). The clinical characteristics were similar to previous series. A febrile polyarthritis was the most frequent presentation form. Dermatographism was frequently encountered phenomenon in our patients with AOSD. Being that dermatographism is a simple inducible skin reaction, along with its sensitivity in active disease, we suggest more controlled studies to validate accuracy and positive predictive value of it in convenient clinical setting in the diagnosis of AOSD and to consider including it in diagnostic criteria.
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PMID:Adult-onset Still's disease: a report of 28 cases and review of the literature. 1875 76

Metabolic syndrome (MetS) is characterized by the presence of atherogenic risk factors, and is associated with a marked increase in the risk of cardiovascular disease. Recently, the criteria of MetS were newly defined in Japan. We examined the relationship between MetS and the various metabolic parameters in Japanese subjects. This study included 458 Japanese subjects undergoing medical checkups at Nagoya University Hospital. New criteria developed by the joint committee of eight Japanese medical societies for the clinical recognition of MetS were adopted. We examined the association between MetS and various metabolic parameters, including liver enzymes (alanine aminotransferase, ALT; gamma glutamyltransferase, GGT) and highly sensitive C-reactive protein (hsCRP). The mean overall prevalence of MetS was 8.7% (male: 12.9%; female: 2.2%, p = 0.0001). MetS was significantly associated with elevated ALT (> 45 IU/L) (OR: 3.37, 95% CI: 1.19-9.52, p < 0.05) and GGT (> 64 IU/L in males, > 45 IU/L in females) (OR: 4.96, 95% CI: 2.31-10.66, p = 0.0001), respectively. MetS was also significantly associated with elevated hsCRP (> or = 0.1 ng/mL) (OR: 2.77, 95% CI: 1.20-6.41, p < 0.05). Thus, MetS was associated with elevated liver enzymes (especially, GGT), and inflammation (hsCRP).
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PMID:Metabolic syndrome defined by new criteria in Japanese is associated with increased liver enzymes and C-reactive protein. 1880 90

The aim of this study was to evaluate the hepatoprotective and anti-inflammatory effects of silybin-phospholipids and vitamin E complex (SPV complex), by determining cytokine patterns and various markers of liver disease. Forty Caucasian patients with chronic HCV infection were recruited and divided into two groups: 30 were treated with SPV complex for 3 months, while the other 10 did not receive any treatment. Ten other subjects without HCV infection but with staeatosic diagnosis were recruited and treated with SPV complex. Biochemical and hepatic principal parameters were investigated at 0 (T0) and 3 months (T3). The group of HCV patients treated showed an improvement trend of hepatic indecises and viral load, and had a significant and persistent reduction of ALT (P = 0.02) and AST serum level (P = 0.01). In this group cytokines showed a statistically significant increase of IL-2 (P = 0.03) and IL-6 were significantly reduced (P = 0.02) at T0 and T3. After the treatment the group of hepatic steatosics showed a significant decrease in ALT (P = 0.02), AST (0.008), gammaGT (0.004) alkaline phosphatase (0.05), total cholesterol (P = 0.03), fasting glucose (P = 0.008), insulinemia (0.0006), HOMA value (0.002) and C-reactive protein (CRP; 0.04). There was a significant reduction of IFN-gamma, TNF-alpha, and IL-6 (P = 0.02, 0.05 and 0.04, respectively). The data suggest that the SPV complex exerts hepatoprotective, anti-inflammatory and antifibrotic effects. This new compound may therefore be useful in clinical practice in patients with chronic hepatitis C who cannot undergo conventional antiviral therapy.
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PMID:Treatment with silybin-vitamin E-phospholipid complex in patients with hepatitis C infection. 1881 47

Treatment with angiotensin II receptor blockers is associated with lower risk for the development of type 2 diabetes mellitus compared with thiazide diuretics. The Mechanisms for the Diabetes Preventing Effect of Candesartan Study addressed insulin action and secretion and body fat distribution after treatment with candesartan, hydrochlorothiazide, and placebo. Twenty-six nondiabetic, abdominally obese, hypertensive patients were included in a multicenter 3-way crossover trial, and 22 completers (by predefined criteria; 10 men and 12 women) were included in the analyses. They underwent 12-week treatment periods with candesartan (C; 16 to 32 mg), hydrochlorothiazide (H; 25 to 50 mg), and placebo (P), respectively, and the treatment order was randomly assigned and double blinded. Intravenous glucose tolerance tests and euglycemic hyperinsulinemic (56 mU/m(2) per minute) clamps were performed. Intrahepatic and intramyocellular and extramyocellular lipid content and subcutaneous and visceral abdominal adipose tissue were measured using proton magnetic resonance spectroscopy and MRI. Insulin sensitivity (M-value) was reduced following H versus C and P (6.07+/-2.05, 6.63+/-2.04, and 6.90+/-2.10 mg/kg of body weight per minute, mean+/-SD; P<or=0.01). Liver fat content was higher (P<0.05) following H than both P and C. The subcutaneous to visceral abdominal adipose tissue ratio was reduced following H versus C and P (P<0.01). Glycosylated hemoglobin, alanine aminotransferase, aspartate aminotransferase, and high-sensitivity C-reactive protein levels were higher (P<0.05) after H, but not C, versus P. There were no changes in body fat, intramyocellular lipid, extramyocellular lipid, or first-phase insulin secretion. Blood pressure was reduced similarly by C and H versus P. In conclusion, visceral fat redistribution, liver fat accumulation, low-grade inflammation, and aggravated insulin resistance were demonstrated after hydrochlorothiazide but not candesartan treatment. These findings can partly explain the diabetogenic potential of thiazides.
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PMID:Hydrochlorothiazide, but not Candesartan, aggravates insulin resistance and causes visceral and hepatic fat accumulation: the mechanisms for the diabetes preventing effect of Candesartan (MEDICA) Study. 1925 58

Bioelectrical impedance (BIA) is quick, easy, and safe when quantifying fat and lean tissue. New BIA models (Tanita BC-418 MA, abbreviated BIA(8)) can perform segmental body composition analysis, e.g., estimate %trunkal fatness (%TF). It is not known, however, whether new BIA models can detect metabolic risk factors (MRFs) better than older models (Tanita TBF-300, abbreviated BIA(4)). We therefore tested the correlation between MRF and percentage whole-body fat (%BF) from BIA(4) and BIA(8) and compared these with the correlation between MRF and dual-energy X-ray absorptiometry (DXA, used as gold standard), BMI and waist circumference (WC). The sample consisted of 136 abdominally obese (WC >or= 88 cm), middle-aged (30-60 years) women. MRF included fasting blood glucose and insulin; high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and triglycerides; high sensitive C-reactive protein, plasminogen activator inhibitor-1 (PAI-1), and fibrinogen; and alanine transaminase (ALT) liver enzyme. We found that similar to DXA, but in contrast to BMI, neither %BF BIA(4) nor %BF BIA(8) correlated with blood lipids or ALT. In the segmental analysis of %TF, BIA(8) only correlated with inflammatory markers, but not insulin, blood lipids, or ALT liver enzyme (in contrast to WC and %TF DXA). %TF DXA was associated with homeostatic model assessment insulin resistance (HOMA-IR) independently of WC (P = 0.03), whereas %TF BIA(8) was not (P = 0.53). Receiver-operating characteristic (ROC) curves confirmed that %TF BIA(8) did not differ from chance in the detection of insulin resistance (P = 0.26). BIA estimates of fatness were, at best, weakly correlated with obesity-related risk factors in abdominally obese women, even the new eight-electrode model. Our data support the continued use of WC and BMI.
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PMID:No apparent progress in bioelectrical impedance accuracy: validation against metabolic risk and DXA. 1899 78

Lead is a persistent toxic metal and associated with impairment of various body functions in occupational workers. The main objective was to determine the lead-induced oxidative stress and adverse health effects by biochemical markers in industrial workers. One hundred and forty-eight males consisting of 87 lead-exposed industrial workers and 61 controls were included. Blood lead level (BLL) was determined on a 3010B ESA lead analyzer. Blood complete counts were done on a hematology analyzer. Biochemical markers including serum uric acid, urea, creatinine, phosphate, alanine aminotransferase (ALT), and gamma glutamyltransferase (GGT) were measured on a Selectra E auto analyzer. Serum malondialdehyde (MDA) was measured spectrophotometrically and C-reactive protein (CRP) on Immulite-1000. Results revealed that lead-exposed workers had significantly high BLLs, median (range), 29.1 (9.0-61.1) microg/dL compared with controls, 8.3 (1.0-21.7) microg/dL. Oxidative stress (MDA, GGT) and inflammatory markers (high-sensitivity CRP) were significantly increased (P < or = 0.05). Blood pressure was raised, whereas hemoglobin was decreased in exposed group (P < or = 0.002). Serum urea, uric acid, phosphate, and ALT were significantly raised in lead-exposed workers (P < or = 0.001). Serum albumin, total proteins, and glomerular filtration rate (GFR) were decreased. Blood lead showed a significant positive correlation with serum GGT (r = 0.63), MDA (r = 0.71), CRP (r = 0.75), urea (r = 0.34), creatinine (r = 0.51), and uric acid (r = 0.29) (P < or = 0.01). It is concluded that lead exposure increases oxidative stress that correlates with adverse changes in hematological, renal, and hepatic function in the occupational workers. Elevated blood lead has positive correlation with oxidative stress, inflammatory and biochemical markers that might be used to detect impairment in the body function in lead exposed workers.
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PMID:Lead-induced oxidative stress adversely affects health of the occupational workers. 1910 28


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