1.Effect of total nutrient admixture on lipid metabolism in acute hepatic failure rats
Yumei QI ; Ming ZHANG ; Yajun CHEN ; Jin XU ; Hui YANG
Chinese Journal of Clinical Nutrition 2009;17(1):41-44,后插1
Objective To study the effect of total nutrient admixture (TNA) on lipid metabolism in rats with acute hepatic failure (AHF). Methods Fifty-six male Wistar rats were randomly divided into four groups: normal diet group, nitrogen-free diet group, fat-free nutrient admixture group, and TNA group. All rats were injected with D-galac- tosamine to induce AHF model Meanwhile, 6 healthy Wistar rats were used as control group. TNA provided energy 221.75 kJ (1 kcal=4.184 kJ), nitrogen 0.365 g, nitrogen to energy ratio 1:145, amino acids 2.28 g (including branched-chain amino acid 0.70 g), glucose 7.85 g, and fat 1.25 g on a daily basis. After 10 days of the operation of Jugular vein puncture tube, blood glucose, blood lipid, liver and renal function were determined. Results The blood glucose level was significantly higher in TNA group than that in fat-free nutrient admixture group (P < 0.05). The levels of serum triglyceride and cholesterol were highest in fat-free nutrition admixture group, and triglyceride level was signif- icantly higher than that in normal diet group and nitrogen-free diet group (P <0.05). The levels of serum triglyceride and cholesterol were significantly higher in TNA group than those in normal diet group (P <0.05). The levels of ala- nine aminotransferase, alkaline phosphatase, total bilirubin and blood urea nitrogen were lower in TNA group than those in fat-free nutrient admixture group (P < 0.05). Conclusion The nutritional proportion of TNA is suitable for the metabolism disorder of hepatic failure, and therefore TNA can reasonably promote the anabolism and reverse the deteri- oration of hepatic failure in rats.
2.Effect of valsartan and fluvastatin on the expression of glycogen synthase kinase-3β in retina of diabetic rat
Qin-jin, CHEN ; Guo-hui, CHEN ; Hui-long, LU ; Qi, YANG
Chinese Journal of Experimental Ophthalmology 2012;30(2):111-115
Background Glycogen synthase kinase-3β (GSK-3β)plays an important role in glucose metabolism,and it may be affect the occurrence of diabetic retinopathy(DR).ObjectiveThe present study was to investigate the effect of valsartan and fluvastatin on the expression of GSK-3β in retina of diabetes rat model.MethodsDiabetes mellitus models were induced by intrapenetoneal injection of streptozotocin(STZ) in 47 clean Sprague-Dawley(SD) rats and were then randomedly divided into 4 groups.Ten other normal rats were served as normal control group.Sodium carboxy methyl cellulose solution,valsartan,fluvastatin,valsartan+fluvastatin and sodium carboxy methyl cellulose solution was given by oral once per day for 12 weeks respectively in diabetes control group ( n =12),valsartan group ( n =12 ),fluvastatin group ( n =11 ),valsartau + fluvastatin group ( n =12 ) and normal control group.Twelve weeks after administration of drugs,blood glucose was measured and compared among various groups,and the expression of p-GSK-3β ( Ser-9 ) protein in retina was quantified and located by Western blot and immunohistochemistry,respectively.Results Twelve weeks after use of drugs,the level of blood glucose was(5.28±0.30),(26.08±3.33 ),(26.03 ±2.66 ),(25.90± 2.86 ),(25.99 ± 2.14 ) mmol/L in the normal control group,diabetes control group,valsartan,fluvastatin,valsartan + fluvastatin group,respectively,showing a significant difference among the 5 groups ( F =110.74,P<0.01 ).Western blot showed that the grey value of p-GSK-3β ( Ser-9 ) /β-actin in retina in the diabetic control group was significant higher than the normal group(2.774±0.139 vs 1.927±0.111,q =15.79,P<0.01 ),and that in valsartan,fluvastatin,valsartan+fluvastatin group was lower than the diabetic control group ( 1.895 ±0.090,2.051 ± 0.113,1.537 ± 0.071 vs 2.774 ± 0.139 ) ( q =1 3.69,13.48,23.06,P < 0.01 ).The grey value of p-GSK-3β (Ser-9)/β-actin in the valsartan+fluvastatin group was declined in comparison with the valsartan group and fluvastatin group ( q =6.67,9.58,P<0.01 ).Immunohistochemistry showed that the p-GSK-3β(Ser-9) protein was expressed all over the retinal layers and obviously in retinal ganglion cell layer(GCL) in normal control group.But the p-GSK-3β(Ser-9) protein was expressed significantly in diabetic control group.The expression of p-GSK-3β (Ser-9)protein was attenuated both in valsartan and fluvastatin groups and further attenuated in valsartan + fluvastatin group. Conclusions p-GSK-3β (Ser-9) protein is overexpressed in GCL of retina of diabetes rat.Both valsartan and fluvastatin can inhibit the expression of p-GSK-3β (Ser-9) and even getting stronger when they combined.
3.Development of Android Platform Based Portable Trace Heavy Metal Ions Detector
Shanluo HUANG ; Yan JIN ; Hui GUO ; Qi CAI ; Xiaowei DU ; Qinghui JIN ; Jianlong ZHAO
Chinese Journal of Analytical Chemistry 2015;(7):1098-1103
Based on the Android platform, a portable electrochemical analyzer was designed for the detection of heavy metal ions. Its output voltage range was ±3 V with accuracy of 0. 1% and resolution of <1 mV. The current acquisition range was±10 mA with accuracy of 0. 1% and the minimum resolution of 10 pA. With the human-computer interaction advantage of Android smart devices, professional and fast detection mode which could meet the needs of professional and ordinary users respectively were developed to simplify the complex process of electrochemical detection and analysis. Some common heavy metal ions including copper, cadmium, lead and mercury were detected with this detector. The results of linearity, repeatability and accuracy were satisfactory.
4.Species of Ligularia in the northwestern China and their medicinal uses.
Shou-jin LIU ; Huan-yang QI ; Hui QI ; Mian ZHANG ; Zheng-tao WANG
China Journal of Chinese Materia Medica 2006;31(10):793-797
OBJECTIVETo investigate the species of Ligularia distributed in the northwestern China and their medicinal uses in the local area.
METHODField investigation, specimen collection, taxonomic study and datum check were adopted.
RESULTThere are 29 species and 1 varieties of Ligularia distributed in the northwestern China, and 18 species of them had been used as folk medicines with the function of resolving phlegm, relieving cough, clearing heat and toxins.
CONCLUSIONThe northwestern China is abundant in medicinal resource of Ligularia.
Anti-Asthmatic Agents ; isolation & purification ; pharmacology ; Antitussive Agents ; isolation & purification ; pharmacology ; Asteraceae ; chemistry ; classification ; China ; Conservation of Natural Resources ; Drugs, Chinese Herbal ; isolation & purification ; pharmacology ; Ecosystem ; Humans ; Hypnotics and Sedatives ; isolation & purification ; pharmacology ; Pharmacognosy ; Plants, Medicinal ; chemistry ; classification
5.Optimization of Extraction Process for Albizia julibrissin in Baijin Capsule by Orthogonal Test
Hui ZHANG ; Jin ZHANG ; Juanjuan QI ; Xiaofang DANG ; Sali CAO ; Jian NI
Chinese Journal of Information on Traditional Chinese Medicine 2014;(3):78-80
Objective To optimize the extraction process of Albizia julibrissin in Baijin Capsule. Methods Using the extraction rate of quercitrin and total flavonoids as indexes, the orthogonal design was used to investigate effects of solvent volume, extraction time and extraction frequency on extraction results. Results The optimal extracting condition was as follows:extracted 2 times with 12 fold 70%alcohol, 2 h for each time. Conclusion The optimized process condition was simple, stable and feasible. It provides the basis for the production of Baijin Capsule.
6.Growth difference of Plasmodium vivax in Anopheles sinensis and An.anthropophagus during the periods of clinic attack and diapause of vivax malaria patients
Guoding ZHU ; Qi GAO ; Huayun ZHOU ; Julin LI ; Xiaolin JIN ; Feng LU ; Hui XIA ; Sattabongkot JETSUMON
Chinese Journal of Schistosomiasis Control 1989;0(04):-
Objective To compare the growth of Plasmodium vivax in Anopheles sinensis(An.s) and Anopheles anthropophagus(An.a) during the periods of malaria clinic attack and diapause. Methods The blood samples of patients during the clinic attack and diapause of vivax malaria patients in the vivax epidemic area in China were collected, feeding the mosquitoes of An.s and An.a by using the artificial membrane feeding system in vivo in the lab, and the mosquitoes were dissected during the day 7-9th and 14th after the infection and the oocysts and sporozoites in the stomach and gland of the mosquitoes were counted, respectively. Results The oocyst positive rate in An.s fed by Plasmodium vivax during the fever stage was lower than that in non-fever stage, the sporozoite positive rate in An.a fed by Plasmodium vivax during the fever stage was lower than that in non-fever stage. The positive mosquito rate with oocyst and sporozoite infected by Plasmodium vivax in the fever stage to An.s and An.a were lower than those in non-fever stage. The infective sporozoite intensity of An.s fed by Plasmodium vivax in the fever stage was lower than that in non-fever stage, but the reverse result was found to An.a. Conclusion There is a significant difference between the periods of malaria clinic attack and diapause of the oocyst and sporozoite infection to An.s and An.a.
7.Clinical aesthetic effect of vermilion repair on cleft lips after using double-line reconstruction
Bojun WANG ; Jin WEI ; Xiaoyun QIN ; Ming YU ; Hui QI ; Caili JIANG ; Chunbo XIA
Chinese Journal of Medical Aesthetics and Cosmetology 2015;21(4):216-218
Objective To discuss the clinical aesthetic effect of vermilion repair on cleft lips after using double-line reconstruction.Methods 68 children with cleft lip were repaired according to the principle of double-line reconstruction,and two contents including 7 projects,such as shapes of upper lips,vermilion borders of lips,vermilion shapes and lips,etc,were evaluated comprehensively within one month after operation for assessing the postoperative effect.Results 68 cases were followed up,with the follow-up rate of 100%,and 62 cases (91.2%) were satisfied with the vermilion repair.Six cases (8.8%) had a common effect of vermilion shapes after repair.In the 7 contents evaluated,satisfactory results were achieved in the projects except the relatively poor symmetry vermilion borders of lips.Conclusions The double-line reconstruction helps to improve the aesthetic effect of vermilion repair on cleft lips.
8.Fibronectin glomerulopathy: report of a case.
Xin ZHANG ; Su-xia WANG ; Qi-zhuang JIN ; Ming-hui ZHAO ; Wan-zhong ZOU
Chinese Journal of Pathology 2007;36(1):61-62
9.Study on preparation and in vitro characteristics of ginsenoside Rg3 binary solid dispersion.
Qi-Yuan LIU ; Zhen-Hai ZHANG ; Xin JIN ; Zhao-Hui YU ; Xiao-Bin JIA
China Journal of Chinese Materia Medica 2013;38(24):4298-4302
With low molecular weight chitosan and poloxamer 188 as the joint carriers, ginsenoside Rg3 solid dispersions were prepared by using the solvent evaporation method for an in vitro dissolution test. Subsequently, differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and X-ray diffraction (X-RD) were adopted for a phase analysis. The results showed that the 60 min in vitro cumulative dissolution rate of ginsenoside Rg3 solid dispersions prepared with low molecular weight chitosan and poloxamer 188 at the ratio of 2:1 exceeded 90%, and the drug was dispersed in carriers in an amorphous state. Therefore, ginsenoside Rg3 solid dispersions prepared with low molecular weight chitosan and poloxamer 188 could help significantly improve the drug dissolution, with a practical application value.
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