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| 1 | Protective effect of lemongrass oil against dexamethasone induced hyperlipidemia in rats:possible role of decreased lecithin cholesterol acetyl transferase activity显示文摘Objective:To evaluate the anti-hyperlipidemic activity of lemongrass oil against in dexamethasone induced hyperlipidemia in rats.Methods:Administration of dexamethasone was given at 10 mg/kg,sc.to the adult rats for 8 d induces hyperlipidemia characterized by marked increase in serum cholesterol and triglyceride levels along with increase in atherogenic index.Results:Lemongrass oil(100 and 200 mg/kg,po.) treatment has showed significant inhibition against dexamethasone hyperlipidemia by maintaining the serum levels of cholesterol, triglycerides and atherogenic index near to the normal levels and the antihyperlipidemic effect of the lemongross oil was comparable with atorvastatin 10 mg/kg,po.The possible mechanism may be associated with decrease in lecithin cholesterol acetyl transferase(LCAT) activity.Conclusions:These results suggested that Lemon gross oil possess significant antihyperlipidemic activity. | VR Santhosh Kumar Md Naseeruddin Inamdar Nayeemunnisa GL Viswanatha | 2011 | Asian Pacific Journal of Tropical Medicine2011，4，8： | 8 |
| 2 | Hepatoprotective activity of Hepax-A polyherbal formulation显示文摘Objective:To evaluate the hepatoprotective potential of Hepax,a polyherbal formulation,against three experimentally induced hepatotoxicity models in rats.Methods:Hepatoprotective activity of Hepax was studied against three experimentally induced hepatotoxicity models,namely, carbon tetrachloride(CCl_4),paracetamol and thiocetamide induced hepatotoxicity in rats. Results:Administration of hepatotoxins(CCl_4,paracetamol and thiocetamide) showed significant morphological,biochemical and histological deteriorations in the liver of experimental animals. Pretreatment with Hepax had significant protection against hepatic damage by maintaining the morphological parameters(liver weight and liver weight to organ weight ratio) within normal range and normalizing the elevated levels of biochemical parameters(SGPT,SCOT,ALP and total bilirubin),which were evidently showed in histopathological study.Conclusions:The Hepax has highly significant hepatoprotective effect at 100 and 200 mg/kg,p.o.on the liver of all the three experimental animal models. | VC Devaraj B Gopala Krishna GL Viswanatha Jagadish V Kamath Sanjay Kumar | 2011 | Asian Pacific Journal of Tropical Biomedicine2011，1，2： | 4 |
| 3 | Science behind cisplatin-induced nephrotoxicity in humans:A clinical study显示文摘Objective:To investigate the relationship between serum electrolyte changes and cisplatin induced nephrotoxicity.Methods:We collected data from 18 patients undergoing cisplatin chemotherapy including serum electrolytes,creatinine,blood urea nitrogen(BUN) and urine potassium,sodium and pH levels before and after the cisplatin chemotherapy.All the patients had cancer and were treated with 40-50 mg/day cisplatin.Renal injury was assessed by measuring serum electrolytes,creatinine,BUN levels and urine potassium,sodium and pH levels. Results:The five cycles of cisplatin based chemotherapy resulted in hypomagnesia(P=0.029), hypocalcaemia(P=0.001~*),hypophosphatemia(P=0.003*),hypokalemia(P=0.001~*)and increased serum creatinine(P=0.001~*)and BUN(P=0.292~*)levels.In urine analysis,decrease in potassium(P=0.024~*)was found,except potassium there was no significant changes in sodium and urine pH. Conclusions:The present study demonstrates that,acute nephrotoxicity was observed in patients with different types of cancers undergoing cisplatin based chemotherapy due to electrolyte disturbances,when no corrective measures were initiated. | Arunkumar PA Viswanatha GL Radheshyam N Mukund H Belliyappa MS | 2012 | Asian Pacific Journal of Tropical Biomedicine2012，2，8： | 3 |
| 4 | Anti-oxidant and anti-inflammatory activity of leaf extracts and fractions of Mangifera indica显示文摘Objective:To evaluate the anti-oxidani and anti-inflammatory activity of leaf extracts and fractions of Mangifera indica in in vitro conditions.Methods:In vitro DPPH radical scavenging activity and lipoxygenase(LOX) inhibition assays were used to evaluate the anti-oxidant and anti-inflammatory activities respectively.Methanolic extract(MEMI),successive water extract (SWMI) and ethyl acetate fraction(EMEMI),n-butanol fraction(BMEMI) and water soluble fraction (WMEMI) of methanolic extract were evaluated along with respective reference standards. Results:In in ritro DPPH radical scavenging activity,the MEMI,EMEMI and BMEMI have offered significant antioxidant activity with IC50 values of 13.37.3.55 and 14.19μig/mL respectively.Gallic acid,a reference standard showed significant antioxidant activity with IC? value of 1.88 and found to be more potent compared to all the extracts and fractions.In m vitro LOX inhibition assay,the MEMI,EMEMI and BMEMI have showed significant inhibition of LOX enzyme activity with IC50 values of 96.71.63.21 and 107.44μg/mL respectively.While,reference drug Indometlhacin also offered significant inhibtion against LOX enzyme activity with IC50 of 57.75.Furthermore,MEMI was found to more potent than SWMI and among the fractions EMEMI was found to possess more potent antioxidant and anti-inflammatory activity.Conclusions:These findings suggest that the MEMI and F.MEMT possess potent anti-oxidani and anti-inflammatory activities in in vitro conditions. | Mohan CG Deepak M Viswanatha GL Savinay G Hanumantharaju V Rajendra CE Praveen D Halemani | 2013 | Asian Pacific Journal of Tropical Medicine2013，6，4： | 2 |
| 5 | Anti-osteopo- rotic activity of methanolie exact of an India herbal formula NR/ CAL/06 in ovarieetomized rats 显示文摘 | Sfikanta P Nagrajappa SH Viswanatha GL | 2011 | J Chin Integr Med2011，9，10： | 1 |
| 6 | Punica granatum果实皮甲醇提取物化学成分的分离和标准化(英文)显示文摘AIM:The present study was undertaken to isolate and standardize the various active phytochemical constituents present in the fruit rinds of Punica granatum.METHODS:Fruit rinds of Punica granatum were dried and extracted with methanol in a static extractor;the percentage yield of the methanolic extract (MEPG) was found to be 26%;the methanolic extract was partitioned using n-butanol,ethyl acetate and water;the percentage yield of the fractions were found to be 17.16%,26.88% and 47.72% respectively.HPLC was carried out for all the fractions and the markers corresponding to the major peaks in HPLC were isolated using column chromatography.The isolated markers were characterized using UV,IR,Mass and NMR spectroscopy.RESULTS & CONCLUSION:Totally four compounds were isolated and identified as punicalin,punicalagin,gallic acid and ellagic acid based on UV,IR,Mass and NMR data,they were standardized by HPLC. | Vishal Jain Murugananthan G Deepak M GL Viswanatha D Manohar | 2011 | 中国天然药物2011，9，6： | 0 |
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