Objective:To investigate the stability of heart fatty-acid-binding protein(H-FABP)for the postmortem diagnosis of early myocardial infraction.Methods:Rabbit model of myocardial ischemia was induced by ligating the anterior branch of the left coronary artery.The areas of H-FABP depletion in the ischemic myocardial cells were studied by immunohistochemistry,image analysis technique and statistical system.Results:The specimens of normal myocardium kept at 4℃ for 1 to 2 days showed homogenous brown reactions for H-FABP.The depletion of H-FABP became evident when these specimens were kept at 4℃ for 3 days after death,and the depletion area increased with the lapse of postmortem interval.The depletion area of H-FABP in ischemic myocardial tissue also increased with the lapse of postmortem interval.The results of image analysis indicated that the depletion area of H-FABP in ischemic myocardial tissue within 4 d were significantly different from that in the normal control group(P0.05).Conclusion:The H-FABP shows medium postmortem stability,and small influenced by autolysis,which is suitable for detection in corpses at 4℃ 4 days after death.H-FABP as a marker for postmortem diagnosis of AMI has some practical value in forensic medicine.

Objective To study the clinical evaluation of calf blood as a combination of aspirin and aspirin for ischemic stroke and its effect on peripheral blood BCL-2,BAX and Caspase-3,IL-6 and pathogens.Methods 128 patients with ischemic stroke were enrolled in our hospital from September 2014 to October 2016.The patients were divided into observation group and control group by throwing coin method.The control group was treated with oral aspirin tablets and some conventional medical treatment,and the observation group on the basis of this increase in calf blood to the protein injection for treatment,the hemorheology,Barthel index,the national institutes of health stroke scale(NIHSS score)and peripheral blood BCL-2,BAX and Caspase-3 protein content of two groups were recorded before and after treatment.Results After treatment,the total effective rate in the observation group(96.9％)was significantly higher than that in the control group(71.9％),the NIHSS score and hemorheological index of the observation group were significantly lower than those of the control group,Bclhel index was significantly higher than that of the control group,the content of BCL-2 protein in the peripheral blood of the observation group was significantly higher than that of the control group,the levels of BAX and Caspase-3 protein in the peripheral blood of the observation group were significantly lower than those of the control group,the difference was statistically significant(P<0.05).Conclusion The clinical effect of calf blood protein injection combined with aspirin in the treatment of ischemic stroke can not only improve the daily life ability of patients,but also can improve the hemorheology and peripheral blood BCL-2; BAX,Caspase-3 protein content.

Heart fatty-acid-binding protein(H-FABP) is small molecular weight cytosolic protein that is abundant in the heart and has tissue specificity. Concentration of H-FABP changes regulation in serum after the myocardial damage. In addition it has a positive correlation with the degree of myocardial damage. It is an early diagnostic biochemical marker of acute myocardial ischemia. The advance of H-FABP in the research on physiochemical nature,and its application for myocardial injury and prospective study of sudden cardiac death in forensic science were reviews.

Objective To investigate expression of cytokeratin 19 fragment antigen 21-1 (CYFRA21-1) and squamous cell carcinoma antigen (SCC-Ag) in cervical cancer patients with lung metastasis before treatment and their prognostic value. Methods The pretreatment serum expression levels of SCC-Ag and CYFRA21-1 of 72 cervical cancer patients with lung metastasis were measured. Survival rate analysis and Cox proportional hazard model were performed to evaluate the prognostic significance of two pretreatment variables. Results The media survival time (MST) of 72 patients was 14 months, and 38 (52.8 %) patients with pulmonary metastasis occurred in 1 year of treatment. The pretreatment serum SCC-Ag and CYFRA21-1 levels in the patients with tumor diameter over 4 cm or with squamous cell carcinoma were higher than those in the other patients (all P<0.05). The MST in the pretreatment serum CYFRA21-1 positive group (>3.3 mg/L) was higher than that in the negative group (13 months vs 19 months, P< 0.05), and the MST in the SCC-Ag positive group (>1.5 mg/L) was also higher than that in the negative group (14 months vs 21 months, P<0.05). The result of Cox regression analysis showed that the tumor diameter (OR = 11.6, P = 0.01), pretreatment serum SCC-Ag (OR= 4.2, P= 0.01) and CYFRA21-1 (OR= 8.2, P= 0.05) levels were independent prognostic factors of overall survival. Conclusion Pretreatment CYFRA 21-1 and SCC-Ag levels may be considered as useful prognostic indicators for cervical cancer patients with lung metastasis.

This article reviews the history and development of the pacing,introduces the latest technology of pacing at home and abroad and promotes the clinical development of pacing therapy.With the development of the pacing technology,it is used more widely than before.It is applied to the patients not only with slow-arrhythmia or conductive diseases,but also with disorders of electrical or non-electrical diseases.This review introduces some new therapies.

OBJECTIVE To discuss the antimicrobial activity of extracts from 10 kinds of traditional Chinese materia(medica)(TCMM)in vitro.METHODS Extracts from 10 kinds of TCMM were prepared,and subjected to(bacteriostatic) tests in vitro by test tube continuously dilution in order to observe their minimal inhibitory(concentration)(MIC),to Staphylococcus(aureus),Escherichia coli,Pseudomonas aeruginosa and Candida albicans.RESULTS Among the 10 kinds of TCMM extracts,which did have antimicrobial activity against S.aureus,E.coli,P.aeruginosa and C.albicans in(different) degree;among them,the antimicrobial(activit)y of the extracts of Radix Paeoniae Rubra,Punica granatum,Schisandra chinensis and Coptis chinensis to resistant bacteria was the highest,the extracts of(Radix) Paeoniae Rubra showed strong inhibitory activities to the above 4 bacteria,especially to the resistant(organisms) with the MIC at 7.8,1.95,1.95 and 7.8mg/ml,(respectively).CONCLUSIONS The extracts of Radix Paeoniae Rubra,P.granatum,S.chinensis and C.chinensis have broad spectrum of antimicrobial activity to(resistant) bacteria.

Objective:To study the pharmacokinetic parameters of gastrodin nasal in situ gel ( ISG) with the base of TMC-P407-P188-carbomer, and evaluate its brain-targeting ability preliminarily. Methods:Rats were used as the model animals. The experiment group was treated with gastrodin nasal in situ gel, and the control group was treated with gastrodin solution with intravenous administra-tion. The plasma sample and brain tissue ( cerebrum and cerebellum) were taken out at the predetermined time points, and the concen-tration of gastrodin in plasma and gastrodigenin in brain tissues were determined by HPLC to draw the curve of concentration vs time. The pharmacokinetic parameters such as MRT and AUC were calculated by 3P97 software. The bioavailability F (%) and the brain-targeting index BTI were compared between the groups. Results:The concentration of gastrodigenin in the brain tissues of grastrodin in situ gel was higher than that of gastrodin solution with intravenous administration (P<0. 05). AUC of cerebrum and cerebellum both increased significantly with BTI of 2. 38 and 1. 93, respectively. MRT increased by nearly two-fold in the gel group when compared with that in the control group, and F(%) increased significantly in cerebrum and cerebellum as well. Conclusion:Gastrodin nasal in situ gel with the base of TMC-P407-P188-carbomer has promising effectiveness. Meanwhile, it can improve the brain-targeting ability of gastrodin with sustained release.

Objective To study the effects of severely burned rats serum on migration of BMSCs and mechanism.Methods Severely burned rats model was established,and the preparation of severely burned rats serum.Experimental groups:normal train-ing group(containing 10% fetal bovine serum,group C),burn serum group(containing 10% burns in the rat serum,group B),burn serum+blockers(10% burns in the rat serum+final concentration of 10 μmol/L PI3K signaling pathway inhibitor LY294002 train-ing,group B+LY).Activity of cells was examined with MTT;migration of cells was examined with Transwell chambers testing;protein expression of p-AKT/AKT was determined with Western blot;microtubule structure of cells was examined with immuno-fluorescence.Results Compared with group C,group B burn serum treatment after 24 h,BMSCs activity(P <0.01),p-AKT levels (P <0.05),increased migration quantity(P <0.001);cell microtubule structures appear rupture,after adding inhibitor,compared with group B,group B+LY BMSCs activity(P <0.01),to reduce the number of migration(P <0.001),p-lower AKT(P <0.05), cell microtubule structure similar to the normal group.Conclusion Severely burned rats serum can promote BMSCs migration,may burn serum cytokine activation of PI3K/AKT signal pathway,resulting in cell microtubule structure change,promote the migration of BMSCs.

Objective: To develop and optimize a self-microemulsifying drug delivery system (SMEDDS) formula for improving the dissolution of atorvastatin calcium.Methods: Solubility and pseudo-ternary phase diagram were used to select the suitable type and amount range of oil phase, surfactant and co-surfactant.D-optimal mixture design was used to optimize the formula of atorvastatin calcium SMEDDS.The morphology, particle size distribution and zeta potential of the microemulsion were determined by a dilution method.The in vitro drug release profiles of the marketed atorvastatin calcium tablets and the self-made SMEDDS were compared.Results: The formula of atorvastatin calcium SMEDDS was as follows: Capmul MCM as the oil phase, Labrasol as the surfactant and Transcutol P as the co-surfactant with the optimal weight ratio of 13.0∶43.5∶43.5.The self-made SMEDDS was a clear and transparent microemulsion solution with homogeneous small spheres as seen under a transmission electron microscope.The particle size, PdI and zeta potential of the self-made SMEDDS was (34.2±13.6) nm, (0.169±0.04) and (-21.1±1.3) mV, respectively.The in vitro release profile indicated that the accumulated release of the self-made SNEDDS reached up to nearly 100% in 45 min.Conclusion: The optimal formula of atorvastatin calcium SMEDDS optimized by D-optimal mixture design can improve the drug dissolution rate effectively.

Objective:To screen the best base for gastrodin nasal in situ gel ( ISG) to lay foundation for the development of gastrodin new preparation .Methods:Two bases were chosen , one was the combination of N-trimethyl chitosan ( TMC) , polyethylene glycol 4000 (PEG4000) and glycerophosphate (GP), and another was the combination of TMC, poloxamer 407 (P407), poloxamer 188 (P188) and carbomer.With the nasal cavity temperature of 35℃as the test temperature, the gelling time of the two bases was determined to screen the optimal ratio.Furthermore, gastrodin was added into the two bases , and the gelling time was determined to choose the suitable base for the drug.Results:The base of TMC-PEG4000-GP couldn’t gel in the nasal cavity temperature when combined with gastrodin , while the base of TMC-P407-P188-carbomer could gel quickly when combined with gastrodin .Conclusion:TMC-P407-P188-carbomer can be used as the base for gastrodin nasal in situ gel .