According to the designed specific primers of gene fragment based on the Salvia miltiorrhiza transcriptome data, a full-length cDNA sequence of SQS2 from S. miltiorrhiza f. alba was cloned by the method of reverse transcription polymerase chain reaction (RT-PCR). The SmSQS2 cDNA sequence was obtained, this sequence is named SmSQS2 and its GenBank registration number is KM244731. The full length of SmSQS2 cDNA was 1245 bp, encoding 414 amino acids including 5'UTR 115 bp and 3'UTR 237 bp. Sequence alignment and phylogenetic analysis demonstrated that SmSQS2 had relative close relationship to the SQS2 of S. miltiorrhiza. The induction of E. coli [pET28-SQS2] in different temperature, induction time, IPTG concentrations and density of inducing host bacterium (A600) were performed, Shaking the culture at 30 degrees C until the A600 is approximately 0.6 and add IPTG to final concentration of 0.2 mmol x L(-1), and then the optimal expression of SmSQS2 recombinant protein were accumulated after the induction time of 20 h. The research provided important base for the study of sterol and terpene biosynthesis of SQS2 in S. miltiorrhiza f. alba.
Cloning, Molecular ; Farnesyl-Diphosphate Farnesyltransferase ; chemistry ; genetics ; metabolism ; Models, Molecular ; Molecular Sequence Data ; Phylogeny ; Plant Proteins ; chemistry ; genetics ; metabolism ; Salvia miltiorrhiza ; chemistry ; classification ; enzymology ; genetics ; Sequence Alignment

To investigate the chemical compounds from the twigs of Euonymus alatus, nine compounds were isolated and identified as(+)-delta(2,11)-enaminousnic acid(1), 11-keto-beta-boswellic acid(2), acetyl 11-keto-beta-boswellic acid(3), camaldulenic acid(4), betulinic acid(5), 6beta-hydroxy-stigmast-4-en-3-one(6), 5-hydroxy-6,7-dimethoxyflavone(7), ethyl 2,4-dihydroxy-6-methylbenzoate(8), 4,4'-dimethoxy-1,1'-biphenyl(9). Their structures were elucidated by extensive spectroscopic analysis. Among them, compound 1 was a new natural product. Compounds 2-4 and 7-9 were obtained from the Euonymus genus for the first time. In vitro study showed that compounds 2 and 3 showed significant anti-tumor activities to BEL-7402 and HCT-8 at the concentration of 10 mg x L(-1). The inhibition rate of compound 2 was 61.78% and 68.29%, whereas the inhibition rate of compound 3 had reached to 70.91% and 84.07%.
Antineoplastic Agents, Phytogenic ; chemistry ; isolation & purification ; pharmacology ; Cell Line, Tumor ; Euonymus ; chemistry ; Humans

OBJECTIVETo investigate therapeutic effects of vacuum sealing drainage (VSD) in the treatment of soft tissue defect combined with tendon and bone exposure.

METHODSFrom October 2007 to February 2011, 397 patients (412 feet) with open ankle fracture and dislocation combined with soft tissue defected were treated by VSD. There were 301 males and 96 females with an average age of 36 years (ranging age from 20 to 73 years). According to AO classification, 74 feet were type I, 211 feet were type II, 108 feet were type III and 19 feet were type IV. The mean time from injury to operation was 5.6 h ( 2 to 12 h). The mean treatment time of was 10 months (4 to 19 months).

RESULTSOne hundred and forty-one patients were primarily healed, 97 patients were sutured at stage II. Split-thick skin grafting was performed at stage II was performed in 103 patients; free flap transplantation was performed in 25 patients. Three of the 34 patients with infection were removed steel plate; Eviscerate flap coverage wound was performed in 14 patients caused by the first metatarsal bone exposure; Toe amputation were performed in 22 cases caused by toes necrosis. Tarsometatarasl joints perforators' surgery was performed in 10 patients with forefeet necrosis. Thirty hundred and six patients were followed up from 3 to 20 months (averaged 10 months). The wounds healed well.

CONCLUSIONVSD for soft tissue defects caused by ankle injury is a simple and effective method, but can not replace debridement and transfer flap.

Adult ; Aged ; Ankle Fractures ; Debridement ; Drainage ; methods ; Female ; Humans ; Joint Dislocations ; surgery ; Male ; Middle Aged ; Skin Transplantation ; Treatment Outcome ; Vacuum ; Young Adult

Objective To evaluate the effects of statin on cardiac dias-tolic function and the level of B -type natriuretic peptide ( BNP) to exer-cise.Methods A total of 60 patients with diastolic dysfunction and a hypertensive response to exercise were divided into atorvastatin treatment group( n =30, atorvastatin 20 mg, once every night ) and the placebo group(n=30).The course of treatment was one year , all patients con-tinued their original therapy.Echocardiography , cardiopulmonary exer-cise testing , and the plasma BNP concentration determination at peak exercise were performed before and after treatment.Results After ator-vastatin treatment , the mitral flow velocity E wave to A wave peak veloci-ties( E/A ratio) were improved.The exercise time extended , metabolic equivalents , maximal oxygen uptake and anaerobic threshold were increased , and the exercise BNP values reduced.All of parameters had significant difference from baseline (P<0.05), only the E/A ratio,the exercise time and the exercise BNP values had significant difference com-pared with placebo ( P<0.05 ).Conclusion Atorvastatin improves car-diac diastolic function , decreases exercise BNP level , increases exercise tolerance.

Objective To evaluate the effect of atorvastatin on exercise blood pressure and exercise tolerance of patients with diastolic dysfunc-tion and hypertensive responses to exercise .Methods Sixty patients with diastolic dysfunction and hypertensive responses to exercise were se-lected and divided randomly into atorvastatin treatment group ( n =30 , atorvastatin 20 mg qn ) and control group ( n =30 ) .All patients con-tinued their original therapy .The course of treatment was one year .The data of cardiopulmonary exercise testing , exercise blood pressure meas-urement , quality of life assessment using heart failure questionnaire were compared before and after treatment . Results After treatment , the resting systolic blood pressure , pulse pressure , and the peak exercise systolic blood pressure were significantly decreased , and exercise time , metabolic equivalent ( METs ) , maximal oxygen uptake ( VO2 max ) and anaerobic threshold ( AT ) were increased , and and quality of life were improved compared with before treatment ( P <0.05 ) . There was statistical difference in the resting systolic blood pressure , the peak exercise systolic blood pressure , and the exercise time between two groups found ( P<0.05 ). Conclusion For patients with diastolic dysfunction and a hypertensive response to exercise , atorvastatin can effectively reduce the blood pressure and peak exercise systolic blood pressure , increase exercise tolerance and improve quality of life .

Objective To evaluate the cardiopulmonary exercise capacity in patients with essential hypertension (EH) complicating with or without left ventricular hypertrophy (LVH). Methods Graded maximal exercise test on the bicycle ergometer with respiratory gas analysis were performed in 30 gender and age matched normotensive controls, 40 EH patients without LVH and 30 EH patients with LVH (LVMI 125 g/m2 in males and 120 g/m2 in females). Metabolic equivalents (METs), oxygen uptake(VO2), oxygen uptake to body mass ratio (VO2/kg) and oxygen uptake to heart beat ratio (VO2/HR) at time of reaching anaerobic threshold (AT) and at maximal oxygen uptake (VO2max) were measured and compared. Results METs and VO2/kg were significantly reduced in EH patients with or without LVH compared with controls [ at AT, METs: 3.57±0. 8 and 4. 34±1.47 vs. 5.21±1.45 ; VO2/kg: 12. 38± 2. 85 and 14. 42±4. 33 vs. 18.48±4. 52, all P < 0. 01 ;at VO2max, METs:4.94±1.24 and 5. 90±1.51 vs. 6.96±1.85;VO2/kg:(17.20±4.34) ml·min-1·kg-1and (20.41±4.59 )ml · min-1·kg-1 vs. (24. 04±5.21) ml·min-1·kg-1, all P < 0. 01 ]. METs and VO2/kg at both time points were also significantly reduced in EH patients with LVH compared EH patients without LVH ( all P < 0. 05). The lower VO2/kg in hypertensive patients was significantly correlated to higher LVMI ( P < 0. 05 ). Conclusions Cardiopulmonary exercise capacity was reduced in hypertensive patients, especially in hypertensive patients with LVH.

OBJECTIVE: To probe into the role of liposomal prostaglandin E(1) (Lipo-PGE(1)) on reperfusion injury in a rabbit ischemia-reperfusion model. METHODS: Twenty-four open-chest rebbits were randomized to receive a 10 min intravenous infusion of either liposome diluent, free PGE(1), or Lipo-PGE(1) after 60 min of left anterior desending (LAD) ligation just before reperfusion. Serum creatine phosphokinase (CPK), malodialdehyde (MDA), superoxide dismutase (SOD) were detected; infarct size and region at risk were measured. RESULTS: Infarct size as a ratio of weight of infarcted tissue to weight at risk (MI/RISK) was significantly reduced with Lipo-PGE(1) (32.20+/-4.70)% compared with PGE(1) (42.09+/-6.93)% or placebo (44.57+/-5.46)% infusion (P<0.01). The values of serum CPK, MDA during reperfusion in treatment of Lipo-PGE(1) group were significantly reduced than in treatment of PGE(1) group or control group (P<0.05), and the values of serum SOD were significantly increased (P<0.05). CONCLUSION: Lipo-PGE(1) can effectively decrease the serum CPK and MDA contents, elevate the SOD activity, and attenuate myocardial reperfusion injury.

To investigate the chemical compounds from aerial part of Rehmannia glutinosa, six compounds were isolated and deter- mined by extensive spectroscopic analysis as(+)-(7S, 8S, 8'S)-9-O-[β-D-glucopyranoyl] asarininone(1), 2α,3β,19α,23-tetrahydroxy-olean-12-en-28-oic acid(2),7,3'-dihydroxyl-5'-methoxyisoflavone (3), aeginetic acid (4), corchorifattty acid B (5), pinellic acid (6). Among them, compound 1 was a new natural product. Compounds 2, 3 and 5 were obtained from the Rehmannia genus for the first time. In vitro study showed that none of the six compounds exhibited obvious activities to BEL-7402 and HCT-8 at the concentration of 10 mg x L(-1).
Antineoplastic Agents, Phytogenic ; chemistry ; pharmacology ; Cell Line, Tumor ; Cell Proliferation ; drug effects ; Drugs, Chinese Herbal ; chemistry ; pharmacology ; Humans ; Molecular Structure ; Plant Components, Aerial ; chemistry ; Rehmannia ; chemistry ; Spectrometry, Mass, Electrospray Ionization ; Triterpenes ; chemistry ; pharmacology

A new benzaldehyde, 3-hydroxy-4-(4-(2-hydroxyethyl) phenoxy) henzaldehyde(1), together with six known compounds, including isovanillic acid(2), pyrocatechol(3), glutinosalactone A(4), chrysoeriol(5), apigenin(6) and luteolin(7) were isolated from aerial part of Rehmannia glutinosa. The compounds were isolated by macroporous resin, silica gel, Sephadex LH-20 and HPLC chromatographies. The chemical structures of 1-7 were elucidated on the basis of spectral analysis (MS, 1D NMR and 2D NMR).
Benzaldehydes ; chemistry ; isolation & purification ; Drugs, Chinese Herbal ; chemistry ; isolation & purification ; Molecular Structure ; Plant Components, Aerial ; chemistry ; Rehmannia ; chemistry ; Spectrometry, Mass, Electrospray Ionization