Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:P17174 (aspartate aminotransferase)
 14,872 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Concomitant oral supplementation of Aloe vera, (1, 2 or 5% w[sol ]v in drinking water) during arsenic exposure (0.2 mg[sol ]kg, intraperitoneally, once daily for 3 weeks) was investigated in rats for its protective value. Animals exposed to arsenic (III) showed a significant inhibition of delta-aminolevulinic acid dehydratase (ALAD) activity, a marginal decrease in glutathione (GSH) and an increase in zinc protoporphyrin (ZPP) level in blood. White blood corpuscles (WBC) level decreased while most of the other clinical blood parameters like red blood cells count, haemoglobin, MCV, MCH, MCHC ratio and platelet number, etc. remained unaltered on arsenic exposure. Hepatic reduced GSH, oxidized glutathione (GSSG) level remained unaltered, thiobarbituric acid reactive substance (TBARS) level increased significantly while the activity of alkaline phosphatase (ALP), aspartate aminotransferase (AST), alanine aminotransferase (ALT) and catalase decreased on arsenic exposure. Renal GSH contents decreased while superoxide dismutase (SOD) activity decreased significantly on arsenic exposure. Concomitant administration of Aloe vera had remarkable protective action on inhibited blood ALAD activity and restored blood GSH level while most of the other blood biochemical parameters remained unchanged on Aloe vera supplementation. Interestingly, most of hepatic biochemical variables indicative of oxidative stress showed protection; no effect of Aloe vera on blood and liver arsenic concentration was noted. Also, no effect of Aloe vera on most of the altered renal biochemical parameters were noticed. The results thus lead us to conclude that simultaneous supplementation of Aloe vera protects against arsenic induced oxidative stress but does not influence the arsenic concentration in these organs.
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PMID:Protective value of Aloe vera against some toxic effects of arsenic in rats. 1579 4

The effect of diabetes mellitus on lipid metabolism is well established. The association of hyperglycaemia with an alteration of lipid parameters presents a major risk for cardiovascular complications in diabetes. Many secondary plant metabolites have been reported to possess lipid-lowering properties. The present study was designed to examine the potential anti-hyperlipidaemic efficacy of the ethanolic extract from Aloe vera leaf gel in streptozotocin (STZ)-induced diabetic rats. 2. Oral administration of Aloe vera gel extract at a dose of 300 mg/kg bodyweight per day to STZ-induced diabetic rats for a period of 21 days resulted in a significant reduction in fasting blood glucose, hepatic transaminases (aspartate aminotransferase and alanine aminotransferase), plasma and tissue (liver and kidney) cholesterol, triglycerides, free fatty acids and phospholipids and a significant improvement in plasma insulin. 3. In addition, the decreased plasma levels of high-density lipoprotein-cholesterol and increased plasma levels of low-density lipoprotein-and very low-density lipoprotein-cholesterol in diabetic rats were restored to near normal levels following treatment with the extract. 4. The fatty acid composition of the liver and kidney was analysed by gas chromatography. The altered fatty acid composition in the liver and kidney of diabetic rats was restored following treatment with the extract. 5. Thus, the results of the present study provide a scientific rationale for the use of Aloe vera as an antidiabetic agent.
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PMID:Beneficial effects of aloe vera leaf gel extract on lipid profile status in rats with streptozotocin diabetes. 1648 67

Aloe ferox Mill. is a widely used medicinal plant in South Africa for the treatment of many ailments including constipation. The present study evaluated the toxicological effect of aqueous leaf extract of the herb at 50, 100 and 200 mg/kg body weight for 7 days on the haematological parameters as well as liver and kidney function indices in loperamide-induced constipated rats. The extract did not cause any significant (p > 0.05) effect on the kidney and liver-body weight ratio as well as the kidney function indices including serum levels of creatinine, uric acid, urea, calcium and potassium ions at all the dosages investigated. Whereas the serum levels of total protein, albumin, bilirubin and gamma glutamyl trasferase (GGT) were not affected, the elevated activities of alkaline phosphatase (ALP), alanine transaminase (ALT) and aspartate transaminase (AST) in the untreated constipated animals were normalized following treatment with extract. The data obtained with respect to the haematological analysis indicated that the extracts had no significant (p > 0.05) effect on the haematological parameters with the exception of lymphocyte count which was increased in the untreated constipated rats. This was however attenuated after administering the herb. The available evidence in this study suggests that A. ferox may be safe as an oral remedy for constipation. Generally, the effect of the extract compared favourably well with senokot, a recommended drug for the treatment of constipation.
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PMID:Toxicological evaluation of aqueous extract of Aloe ferox Mill. in loperamide-induced constipated rats. 2049 33

There is a lack of reliable hepatotherapeutic drugs in modern medicine in the management of alcohol/drug-induced liver damage. Aloe vera extract has been used in folklore medicine for its medicinal values. This study evaluates the hepatotherapeutic activity of aqueous extract of Aloe vera gel in rats. Sprague-Dawley rats were divided into three groups; the negative control, positive control and the extract-treated groups. The negative control received only distilled water daily. The positive control received alcohol, while the extract-treated group received aqueous extract of Aloe vera and alcohol. Hepatotoxicity was induced in the positive control and extract-treated rats with alcohol. The hepatotherapeutic effect was evaluated by performing an assay of the serum total bilirubin, alkaline phosphatase, aspartate and alanine transaminases and liver histopathology. Alanine transaminase activities were comparable in all groups. Alcohol treatment alone significantly (p < 0.05) increased total serum bilirubin, alkaline phosphatase and aspartate transaminase activities. Alcohol-induced hepatic dysfunction was abrogated by Aloe vera extract. Histopathological examination revealed that alcohol induced hepatic damage. Aloe vera treatment maintained hepatic architecture similar to that seen in the control. This study shows that aqueous extract of Aloe vera gel is hepatotherapeutic and thus lends credence to the use of the plant in folklore medicine in the management of alcohol-induced hepatic dysfunction.
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PMID:Hepatotherapeutic effect of Aloe vera in alcohol-induced hepatic damage. 2230 58