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:3.1.3.1 (alkaline phosphatase)
47,916 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Ca2+ uptake and Ca2+ extrusion mechanisms were studied in enterocytes with different degree of differentiation from chicks adapted to a low Ca2+ diet as compared to animals fed a normal diet. Chicks adapted to a low Ca2+ diet presented hypocalcemia, hypophosphatemia and increased serum 1,25(OH)2D3 and Ca2+ absorption. Low Ca2+ diet increased the alkaline phosphatase (AP) activity, independently of the cellular maturation, but it did not alter gamma-glutamyl-transpeptidase activity. Ca2+ uptake, Ca2+-ATPase and Na(+)/Ca2+ exchanger activities and expressions were increased by the mineral-deficient diet either in mature or immature enterocytes. Western blots analysis shows that vitamin D receptor (VDR) expression was much higher in crypt cells than in mature cells. Low Ca2+ diet decreased the number of vitamin D receptor units in both kinds of cells. In conclusion, changes in Ca2+ uptake and Ca2+ extrusion mechanisms in the enterocytes by a low Ca2+ diet appear to be a result of enhanced serum levels of 1,25(OH)2D3, which would promote cellular differentiation producing cells more efficient to express vitamin D dependent genes required for Ca2+ absorption.
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PMID:Dietary calcium deficiency increases Ca2+ uptake and Ca2+ extrusion mechanisms in chick enterocytes. 1552 61

This study evaluated the role of amino acids supplementation on the heart's adaptation under extensive training conditions. Sixty active athletes (bicyclists and swimmers) were separated into 2 groups: 30 were given amino acid mixture (1 g per 10 kg of body weight) for a period of 1 month, and the other 30 were given placebo for the same duration (control group). In the same time period, 20 subjects of similar age not engaged in physical training or sports activities were used as the additional control group. Blood concentrations of alanine transaminase (ALT), asparagine transaminase, lactate dehydrogenase (LDH), gamma-glutamil transpeptidase, alkaline phosphatase (ALP), amylase, triglycerides, albumin, interleukin-6 (IL-6), and interleukin-10 (IL-10) were determined for all subjects before and after the intervention period. Concentrations of LDH and ALP were increased, but concentrations of ALT, albumin, and triglycerides were decreased in the blood of trained athletes compared with healthy subjects not engaged in sports activities. In the athletes, some increases in IL-6 levels were noted; however, they were significantly (p < 0.05) lower than in patients with myocardiodystrophy. The values of IL-10 in athletes were higher than concentrations of IL-10 in patients with myocardiodystrophy but still lower than the normal values. The inhibition of IL-10 in blood may play an important role in the induction of apoptosis in cells of the heart muscle. After amino acid supplementation, the athletes' values for albumin, triglycerides, IL-10, LDH, and ALP were significantly increased compared with the post-placebo control groups. Enzyme activities of other enzymes remained unchanged in all groups. Histological data from a secondary study of actual heart tissue showed that the amino acids supplementation may have inhibiting effects on myocardial apoptosis. The criteria of efficiency of the amino acids supplementation were defined by the albumin, IL-6, and IL-10 concentrations.
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PMID:Biochemical and heart adaptations to physical training and supplementation with amino acids. 1557 76

The chemopreventive effect of ethanol extract of Indigofera aspalathoides (EIA) on N-nitrosodiethylamine (DEN, 200 mg/kg)-induced experimental liver tumor was investigated in male Wistar rats. Oral administration of ethanol extract of Indigofera aspalathoides (250 mg/kg) effectively suppressed liver tumor induced with DEN as revealed by decrease in the levels of extend of serum glutamate pyruvate transaminase (SGPT), serum glutamate oxaloacetate transaminase (SGOT), alkaline phosphatase (ALP), total bilirubin, gamma glutamate transpeptidase (GGTP), lipid peroxidase (LPO), glutathione peroxidase (Gpx) and glutathione S-transferase (GST) with a concomitant increase in enzymatic antioxidant (superoxide dismutase and catalase) levels when compared to those in liver tumor bearing rats. The histopathological changes of liver sample were compared with respective control. Our results show a significant chemopreventive effect of EIA against DEN induced liver tumor.
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PMID:Chemoprevention of N-nitrosodiethylamine induced phenobarbitol promoted liver tumors in rat by extract of Indigofera aspalathoides. 1568 1

To evaluate indications for living-donor liver transplantation (LDLT), we examined 25 consecutive patients with acute hepatic failure admitted to the Department of Medicine III, Kyushu University Hospital between November 2001 and July 2004. These cases were diagnosed as fluminant hepatitis (n=13), severe-type acute hepatitis (n=11), or late-onset hepatic failure (n=1). Nine patients (36%) improved with conservative treatment (conservative treatment group), and the other 16 patients (64%) needed LDLT (LDLT indicated group). In the LDLT indicated group, 11 patients received LDLT, and 4 died because of lack of LDLT donors (n=3), or renal failure (n=1). The LDLT survival rate was 82% (9/11); two patients died due to hepatic infarction and brain edema, respectively. It is very important to predict whether a patient with acute hepatic failure belongs to the conservative treatment group or the LDLT indicated group on admission. Therefore, we analyzed variables that could influence prognosis, including, parameters of hepatic function and platelet counts on admission, and relative hepatic volume (%), which represents the ratio of hepatic volume measured by CT relative to standard hepatic volume calculated with body surface area. Univariate logistic analysis showed that relative hepatic volume, gammaglutamyl transpeptidase (gamma-GTP), alkaline phosphatase (ALP), and the ratio of direct bilirubin to total bilirubin (DB/TB) were significant predictors of survival (p < 0.05). Using these factors plus prothrombin time (PT) and total cholesterol, both of which were relatively significant predictors of survival (p < 0.2), we proposed a model for predicting the probability of survival by the stepwise method. Consequently, we proposed a model using four parameters: ALP, GGTP, PT, and relative hepatic volume (Volume) as shown below: p(%) = 1/(1+exp (-(-36.2375 + ALP x 0.0251 + gamma-GTP x 0.0102 + PT x 0.2558 + Volume 21.2158))) x 100. This model showed a significant correlation between prediction and consequence of survival (r2 = 0.7388, p = 0.0003). In conclusion, LDLT is an effective treatment for acute hepatic failure. The results of this study suggested that our model can adequately predict prognosis in the early phase of acute hepatic failure.
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PMID:[Evaluation of acute hepatic failure treated at the Department of Medicine III, Kyushu University Hospital: indications for living-donor liver transplantation]. 1573 74

The chemopreventive and cytotoxic effect of ethanol extract of Bauhinia variegata (EBV) was evaluated in N-nitrosodiethylamine (DEN, 200 mg/kg) induced experimental liver tumor in rats and human cancer cell lines. Oral administration of ethanol extract of Bauhinia variegata (250 mg/kg) effectively suppressed liver tumor induced by DEN as revealed by decrease in DEN induced elevated levels of serum glutamate pyruvate transaminase (SGPT), serum glutamate oxaloacetate transaminase (SGOT), alkaline phosphatase (ALP), total bilirubin, gamma glutamate transpeptidase (GGTP), lipid peroxidase (LPO), glutathione peroxidase (GPx) and glutathione S-transferase (GST). The extract produced an increase in enzymatic antioxidant (superoxide dismutase and catalase) levels and total proteins when compared to those in liver tumor bearing rats. The histopathological changes of liver samples were compared with respective controls. EBV was found to be cytotoxic against human epithelial larynx cancer (HEp2) and human breast cancer (HBL-100) cells. These results show a significant chemopreventive and cytotoxic effect of ethanol extract of Bauhinia variegata against DEN induced liver tumor and human cancer cell lines.
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PMID:Chemoprevention and cytotoxic effect of Bauhinia variegata against N-nitrosodiethylamine induced liver tumors and human cancer cell lines. 1625 58

Human cerebral malaria is caused by a protozoan parasitic with no cure till date. The isolation of brain capillaries i.e. microvessels has permitted the in vitro study related to cerebral function. Microvessels were isolated from normal and P. yoelii infected mice brain cortex and subjected to biochemical characterization by the following enzyme markers viz alkaline phosphatase, gamma-glutamyI transpeptidase and monoamine oxidase and electron microscopically. Limited studies have been carried out in relation to drug metabolizing enzymes in cerebral microvessels of rodents. The present studies have been carried out in relation to status of drug metabolizing enzymes during P. yoelii infection in cerebral microvessels of mice. The data obtained depicted a clear cut impairment of cytochrome P450 (a terminal monooxygenase) and related indices viz b5, benzopyrene hydroxylase, aminopyrene-n-demethylase, aniline hydroxylase except NADH cytochrome e reductase which increased during P. yoelii infection in mice as compared to normal. Further the oral drug administration (arteether) treatment brought back the altered MFO system normal a week alter cessation of drug treatment.
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PMID:Studies on drug metabolizing enzymes during arteether treatment of Plasmodium yoelii nigeriensis infected mice cerebral microvessels. 1663

The alcoholic extract of stem of Indigofera aspalathoides was evaluated for its antihepatotoxic activity against CCl(4)-induced hepatic damage in rats. The activity was evaluated by using biochemical parameters, such as serum glutamate pyruvate transaminase (SGPT), serum glutamate oxaloacetate transaminase (SGOT), alkaline phosphatase (ALP), total bilirubin and gama glutamate transpeptidase (GGTP). The histopathological changes of liver sample were compared with respective control. The extract showed remarkable hepatoprotective effect.
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PMID:Protective effect of Indigofera aspalathoides against CCl4-induced hepatic damage in rats. 1713 60

The main toxicity of Oxaliplatin, a major drug in the treatment of metastatic colorectal carcinoma, is neurologic. Severe sinusoidal lesions of the liver have been recently described in patients receiving pre-operative (neoadjuvant) oxaliplatin-containing chemotherapy, but their clinical relevance is unknown. Four patients with metastatic colon cancer receiving oxaliplatin, 5 fluorouracil and elvorin, developped a progressive increase in gammaglutamyl transpeptidase and alkaline phosphatase, contrasting with tumour regression established by CT-scan and decrease in serum carcinoembryonic antigen concentrations. Histological examination of liver biopsies showed sinusoidal dilatation in all cases, with perisinusoidal fibrosis and centrilobular vein lesions in 3, peliosis in 1 (in a patient receiving oxaliplatine by intraarterial hepatic route), and nodular regenerative hyperplasia in 1. The patient with peliosis developped ascites, and died from hepatic failure, despite withdrawal of the drug. The patient with nodular regenerative hyperplasia developped jaundice, ascites and severe infection following a right hepatectomy. In the three surviving patients, liver function tests improved after the withdrawal of oxaliplatin, and, in one, deteriorated again after reintroduction of the drug. The prevalence of liver sinusoid lesions induced by oxaliplatin-containing chemotherapeutic regimens is probably underestimated. Careful monitoring of gamma-glutamyl transpeptidase and alkaline phosphatase is mandatory in treated patients, especially in those receiving adjuvant therapy, in whom significant sequelae could occur despite initially asymptomatic lesions.
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PMID:Severe sinusoidal lesions: a serious and overlooked complication of oxaliplatin-containing chemotherapy? 1718 76

Hematologic characteristics and plasma chemistry values of juvenile loggerhead turtles (Caretta caretta) from the ages of 1 mo to 3 yr were obtained to establish baseline values. Five clinically normal loggerhead turtles were selected from the same clutch and raised in an indoor artificial nesting beach. Blood samples were successively collected and examined for various blood characteristics for a maximum total of 15 times. Hematologic characteristics, including packed cell volume, white blood cell counts, and white blood cell differentials; and plasma chemistry values, including total bilirubin, total protein, albumin, glutamic oxaloacetic transaminase, glutamic pyruvic transaminase, gamma-glutamic transpeptidase, creatinine, blood urea nitrogen, uric acid, alkaline phosphatase, amylase, triglyceride, total cholesterol, ionized sodium, ionized potassium and ionized chlorine, were measured. These results were used to establish a hematology and blood chemistry baseline for captive juvenile loggerhead turtles and will aid in their medical management.
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PMID:Successive changes of hematologic characteristics and plasma chemistry values of juvenile loggerhead turtles (Caretta caretta). 1746 79

Methanolic extract of Phyllanthus-polyphyllus was evaluated for hepatoprotective and antioxidant activities in rats. The plant extract (200 and 300 mg/kg, p.o.) showed a remarkable hepatoprotective and antioxidant activity against acetaminophen induced hepatotoxicity as judged from the serum marker enzymes and antioxidant levels in liver tissues. Acetaminophen induced a significant rise in aspartate amino transferase (AST), alanine amino transferase (ALT), alkaline phosphatase (ALP), total bilirubin, gamma glutamate transpeptidase (GGTP), lipid peroxidase (LPO) with a reduction of total protein, superoxide dismutase (SOD), catalase, glutathione peroxidase (GPx) and glutathione S-transferase (GST). Treatment of rats with different doses of plant extract (200 and 300 mg/kg) significantly (P<0.001) altered serum marker enzymes and antioxidant levels to near normal against acetaminophen treated rats. The activity of the extract at dose of 300 mg/kg was comparable to the standard drug, silymarin (50 mg/kg, p.o.). Histopathological changes of liver sample were compared with respective control. Results indicate the hepatoprotective and antioxidant properties of Phyllanthus polyphyllus against acetaminophen-induced hepatotoxicity in rats.
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PMID:Protective effect of Phyllanthus polyphyllus on acetaminophen induced hepatotoxicity in rats. 1816 21


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