OBJECTIVE:To optimize the formula of piribedil hydrochloride orally disintegrating tablets and to investigate their related indexes.METHODS:Taking the contents of crospovidone(PVP XL)(disintegrating agent),amylum pregelatinisatum(loading agent) and Gum Acacia(glidant) as factors,the disintegrating time(td),the wet time(t) and the suspend stability(?A) as the evaluate indexes to carry on the orthogonal experimental to optimize the formula.The dissolution curve of the optimized formula was drawn.RESULTS:The optimized formula for the piribedil hydrochloride orally disintegrating tablets were as follows:the contents of crospovidone(PVP XL),amylum pregelatinisatum and Gum Acacia were 15%,20%,and 15% respectively.The prepared orally disintegrating tablets disintegrated completely within 30s and dissolved basically within 2min.CONCLUSION:The prepared preparation can meet the related standards specified of China Pharmacopeia.

Objective Discusstheinfluence of early diagnosis of myocardial damage and heart-type fatty acid binding protein(h-FABP)on patients with severe head injury after rehabilitation.Methods The sorum h-FABP was detected using enzyme-linked immunosorbent one-step quantitative detection,cTnI using solid-phase enzyme-linked immunosorbent assay(ELISA),CK-MB using the method of immunosuppressive.Results The sorum levels of h-FABP,cTnl and CK-MB in severe head injury patients levels were significantly higher than that of healthy control group(P<0.01),the positive serum h-FABP in severe head injury patients Was significantly higher than cTnI,CK-MB or ECG(P<0.01);8 cases died in47 cases of severe head injury patients,the mortalisty rate was 17.02%(8/47),the mortality rate of abnormal sentrum h-FABP,cTnI and CK-MB group was significantly higher than the normal group(P<0. 01);The serum h-FABP in predicting the death of severe head injury patients was high in sensitivity and negative predictive value,but lower in specificity and accuracy.Condusiom The serum h-FABP quantitative assay as a high-sensitive indicators to minor myocardial dsmage can be used an objective indicators forjudging severity ofacute severe head injury,evaluating incidence of accidents.

OBJECTIVEThis study aims to determine the effect of fluoride concentration on the corrosion behavior of cobalt-chromium alloy fabricated by two different technology processes in a simulated oral environment.

METHODSA total of 15 specimens were employed with selective laser melting (SLM) and another 15 for traditional casting (Cast) in cobalt-chromium alloy powders and blocks with the same material composition. The corrosion behavior of the specimens was studied by potentiodynamic polarization test under different oral environments with varying solubilities of fluorine (0, 0.05%, and 0.20% for each) in acid artificial saliva (pH = 5.0). The specimens were soaked in fluorine for 24 h, and the surface microstructure was observed under a field emission scanning electron microscope after immersing the specimens in the test solution at constant temperature.

RESULTSThe corrosion potential (Ecorr) value of the cobalt-chromium alloy cast decreased with increasing fluoride concentration in acidic artificial saliva. The Ecorr, Icorr, and Rp values of the cobalt-chromium alloy fabricated by two different technology processes changed significantly when the fluoride concentration was 0.20% (P < 0.05). The Ecorr, Icorr, and Rp values of the cobalt-chromium alloy fabricated by two different technology processes exhibited a statistically significant difference. The Icorr value of the cobalt-chromium alloy cast was higher than that in the SLM group cobalt-chromium alloy when the fluoride concentration was 0.20% (P < 0.05). The Ecorr, tRp alues of the cobalt-chromium alloy cast were lower htan those of the SLM group cobalt-chromium alloy when the fluoride concentration was 0.20% (P< 0 .05).

CONCLUSIONFluoride ions adversely affected the corrosion resistance of the cobalt-chromium alloy fabricated by two different technology processes. The corrosion resistance of the cobalt-chromium alloy cast was worse than that of the SLM group cobalt-chromium alloy when the fluoride concentration was 0.20%.

OBJECTIVE:To systematically review the efficacy and safety of Deproteinised calf blood serum injection in the treatment of cerebral infarction,and to provide evidence-based reference for clinical treatment.METHODS:Retrieved from Co-chrane Library,EMBase,Medline,CBM,CJFD,VIP and Wanfan database,randomized controlled trials(RCT)about theeffica-cy and safety ofDeproteinised calf blood serum injection(test group)based on basic treatment(control group)in the treatment of cerebral infarction were collected.Meta-analysis was performed by using Rev Man 5.2 software after data extraction and quality eval-uation with Cochrane system evaluation manual 5.1.0.RESULTS:A total of 18 RCTs were included,involving 2 111 patients.Re-sults of Meta-analysis showed the total effective rate [OR=3.30,95%CI(2.48,4.39),P<0.001],National Institutes of Health Stroke Scale (NIHSS) score[MD=-1.47,95%CI(-2.06,-0.88),P<0.001] and activities of daily living(ADL) score[MD=9.09,95%CI(6.46,11.72),P<0.001] in test group were significantly better than control group,there were significant differences be-tween the 2 groups;and there was no obvious adverse reactions during treatment. CONCLUSIONS:Both efficacy and safety of De-proteinised calf blood serum injectionin the treatment of cerebral infarction are good.

Objective To study the effects of sodium bicarbonate (SB) on resuscitation in swine model of asphyxiation cardiac arrest (CA).Methods Thirty-two healthy miniature pigs were randomized (ramdom number) into two groups,the SB group (n =16) and the control group (n =16).Animals in both groups underwent endotracheal tube clamping to induce CA.Once induced,CA left untreated for a period of 8 minutes.At the beginning of initiation of cardiopulmonary resuscitation (CPR),SB (1.0 mEq/kg,diluted to 40 mL) was injected in central venous in SB group and isopyknic normal saline solution was injected in control group.Two minutes following initiation of CPR,defibrillation was attempted until return of spontaneous circulation (ROSC) was achieved or animals died.To assess the SB effects on myocardial metabolism,positron emission tomography (PET) was performed at baseline and 6 after ROSC.To analyze 18F-FDG myocardial uptake identified in PET,the maximum standardized uptake value (SUV) was measured.Results ROSC was 10/16 successful in SB group and only 8/16 successful in control group.The average survival time of SB group was (3.63 ± 0.76) h and that of control group was (2.45 0.70) h.Myocardial metabolism imaging using PET demonstrated that myocardial metabolism injuries in control group were more severe than in SB group at 6 h after ROSC and SUVmax was more higher in SB group than in control group (6 hrs after ROSC:1.32 ± 0.20 vs.1.10 ± 0.14,P =0.035).Conclusions In swine model of asphyxiation CA,SB improve the myocardial metabolism and might raise the possibility of ROSC and have no hypernatronemia.

Objective To analyze the flavonoid content of common fruits consumed in China.Method Thirty-eight fruits were sampled from Beijing,Tianjin,Shanghai and Hangzhou.The contents of quercetin,kaempferol,luteolin,myricetin,apigenin were determined with high-performance liquid chromatography.Results Pomegranate and hawthorn were the highest in contents of 5 flavonoids among 38 fruits.Quercetin distributed more widely and was more abundant than other flavonoids in fruits.The daily intake of 5 flavonoids from fruits by Chinese people was estimated to be 2.80 mg.Conclusion The content of flavonoids varies significantly among different fruits and quercetin is the most common flavonoid contained in fruits.

Objective:To investigate the expression of endoplasmic reticulum stress proteins in photoreceptor apoptosis in light-induced retinal degeneration. Methods: Exposure to excessive levels of light induced photoreceptor apoptosis and had been previously used as a model for the study of retinal degeneration. Photoreceptor apoptosis was detected by terminal dUTP transferase nick end labeling (TUNEL). The protein expression levels of ER stress sensors including glucose-regulated protein-78 (GRP78/BiP), caspase-12, phospho-eukaryotic initiation factor 2? (eIF2?) and phospho-double-stranded RNA-activated protein kinase-like endoplasmic reticulum kinase (PERK) were examined by immuno-fluorescence and Western blot analysis. Results: Following light exposure, the protein expression levels of GRP78/BiP, caspase-12, phospho-eIF2? and phospho-PERK were up-regulated in a time dependent manner. The up-regulation of these proteins coincided with or preceded the photoreceptor apoptosis. At the peak of their expression, they were mainly located in the photoreceptor inner segments and/or outer nuclear layers (ONL). Conclusion: Activation of endoplasmic reticulum stress proteins appears to play an important role in light-induced retinal degeneration. Therefore endoplasmic reticulum stress modulators could become a strong candidate for a therapeutic agent in treatment of these diseases.

Objective To analyze the flavonoid content of common vegetables consumed in China.Method Forty-six vegetables were sampled from Beijing,Tianjin,Shanghai and Hangzhou.The contents of quercetin,kaempferol,luteolin,myricetin,apigenin were determined with high-performance liquid chromatography.Results Mei celery sampled from Hangzhou was the highest in content of 5 flavonoids among 46 vegetables.Quercetin distributed more widely and was more abundant than other flavonoids in vegetables.The daily intake of 5 flavonoids from vegetables by Chinese people was estimated to be 13.90 mg,in which quercetin accounted for 51.1%.Conclusion The content of flavonoids varies significantly among different vegetables and quercetin is the most common flavonoid contained in vegetables.The dietary intake of flavonoids was more from vegetables than fruits in Chinese people.

AIM: To approach the antiobesity action and mechanisms of the daidzein derivative: LRXH609(LRX).METHODS: The body weight,Lee′s index,total weight of celiac fat tissue,food intake,serum glucose and lipids in obese rats induced by a high-fat diet were measured and the antiobesity action was tested after LRX was administered for 30 days.3T3-L1 pre-adipocytes were induced by in vitro culture,the effects of LRX on cell proliferation,lipogenesis,lipolysis were observed.RESULTS: The body weight,Lee′s index,fat tissue weight in obese rats were significantly decreased by LRX,and the concentrations of TC,FFA in serum were decreased,the proliferation of 3T3-L1 pre-adipocytes was inhibited,the activities of hormone sensitive lipase in 3T3-L1 pre-adipocytes were significantly elevated,the glycerine release from adipocytes was promoted and the concentrations of TG in adipocytes were decreased.CONCLUSION: LRX plays a role in antiobesity action and regulating blood lipid and the mechanism might be related to inhibiting proliferation and differentiation of pre-adipocytes,stimulating TG decomposition by activating hormone-sensitive lipase and decreasing the TG storage in adipocyte.

Objective:To investigate the relation between the angiotensinⅡ(AngⅡ)levels in thoracic aorta and plasma and atherosclerosis(AS).Methods:Totally40healthy male Wistar rats were randomly divided into4groups(n=10).Four different feeding methods,including normal diet,high lipid,high lipid+vitamin D overload,and high lipid+vitamin D over-load+endothelium injury,were used for inducing AS in rats.The thickness of intima was taken as the index of AS severity, radio-immunity analysis was used to assay AngⅡin each group in thoracic aorta and plasma.Results:Only rats in high lipid diet group did not develop AS plaque;high lipid+vitamin D only resulted in AS fibrous plaque with VSMC proliferation;high lipid+vitamin D+endothelium injury formed ripe AS plaque.The thickness of intima and AngⅡof thoracic aorta in-creased gradually compared with control group(P