Objective To establish a new ELISA method by use of shorted recombinant antigen pp65 for detection of IgM antibodies to human cytomegalovirus (HCMV).Method According to HCMV pp65 sequence of nucleotide and amino acid, the shorted pp65 was decided by computer soft ware of protein and attained through gene engineering technique. The by computer soft ware of protein and attained through gene engineering technique. The recombinant enzyme- linked immunosorbent assay (REC-ELISA ) method was developed using pp65 recombinant protein as antigen and was applied to detecting anti-HCMV-IgM in sera. It was compared to ELISA by use of whole virus as antigen and Biocheck CMV IgM enzyme immunoassay test kit.Results To detect HCMV IgM by REC-ELISA, the best quantity of pp65 was 3.5?g percent cavity, the best dilution of HRP~*anti-HCMV IgM was 1∶[KG-*2]800 and that of serum was 1∶[KG-*2]100. The positive coefficient of variation (CV) was 9.5% in stability assay. The average CV of Inter- assay and Intra-assay was 4.5% and 9.6% respectively. The positive value of REC- ELISA was 44%, that of ELISA using whole virus was 50% and BioCheck was 45%. REC-ELISA using most suitable condition was concordant with BioCheck, which was 97.0%. Its youden′s index was 92.8% and its specificity (98.2%) was higher than that of ELISA using whole virus as antigen (90.9%), too.Conclusion REC-RLISA had good sensitivity, specificity and reproducibility. The method was easy and quick. Recombinant protein was harmless and easy gained compared with the whole virus. It can be large-scale production and standardization. Therefore, the application value and potential of REC-ELISA was very large.

Considering the fact of rapidity and concentration of aging of population, Chinese government has regarded it as an important strategic issue. However, how to get a dignified ending still a big problem for the old age today. This article tries to explore the possibility of advance care planning (ACP) approved under the background of aging of population in China based on general report of Chinese government deal with aging of population and existed facts. Though the researches on this topic have grown rapidly, the government legal system is still close to it in this moment, and in the process of practice constantly, it will be a perfect research. It is certain that the legislation of ACP in China will has a long way to go, but in the view of the advancement of death with dignity, palliative care, we still can predict a bright future of ACP.

Objective To discuss the influences of fasting on the embolism adverse reactions, sense of hunger, blood amylase, blood glucose and anxiety of patients with hemoptysis of pulmonary tuberculosis after embolism operation. Methods Selected 92 cases of patients with hemoptysis of pulmonary tuberculosis who have taken bronchial artery embolism in Pulmonary hospital of Changsha central hospital from June 2014 to December 2015,randomly divided the patients into three groups according to operating date, namely, the non-fasting group, 6h fasting group and 24h fasting group. The non-fasting group have routine diet after the operation; the 6h fasting group and 24h fasting group respectively fasted for 6 hours and 24 hours. Then compared the embolism adverse reactions, sense of hunger, blood amylase, blood glucose and anxiety of the patients in the three groups so as to check whether there is difference. Results Before operation, there was not significant difference in adverse reaction of embolism, sense of hunger, anxiety, blood glucose and amylase between the three groups (P > 0.05). After operation, there was significant difference in hunger sense of difference between the three groups(F=13.308,P<0.05), the hunger sense of 24 h fasting group was more serious than 6h fasting group than non-fasting group;the anxiety score of 24h fasting group is higher than the other two(F=6.509,P<0.05), and the value of the next morning fasting blood glucose in fasting group 24h is higher than other two(F=6.642,P<0.050). comparing the score of anxiety in 6h fasting group and non-fasting group, there was not significant difference, and comparing the post-embolism adverse reaction, 72 h blood amylase of all three groups and these groups one to one, there was also not significant difference ( P>0.05). Conclusion Fasting will cause and intensify the sense of hunger, anxiety and nutrition disorder of patients with hemoptysis of pulmonary tuberculosis after embolism.

Objective To evaluate the efficacy of applying problem based learning (PBL) combined with traditional teaching in clinical internship in department of gastroenterology.Methods Totally 60 full-time medical undergraduates of clinical medicine in clinical internship in department of gastroenterology of the Second Hospital of Baoding were randomly divided into PBL group (n=30) and traditional group (n=30).Practical effect of the different modes was evaluated by questionnaire and examination resuits.Data were analyzed by SPSS 15.0.Enumeration data were compared between groups using x2 test and measurement data were manifested (x-) ± s with P ＜ 0.05 signifying significant difference.Results PBL group was superior to traditional group in comprehensive analysis capabilities,motivation to learn and learning outcomes with statistically significant differences between the two groups (P values were 0.001,0.007 and 0.005).Concerning stimulating students' interest and satisfaction of the teaching mode,the difference between the two groups was not statistically significant (P ＞ 0.05).PBL group was superior to traditional group in the pre-class preparation,full and accurate expression of views in classroom and clinical logic,with statistically significant differences between the two groups (P values were 0.002,0.000 and 0.002).There was no difference in communicative abilities with patients between the two groups (P=0.118).PBL group had higher scores than traditional group in the quiz,case analysis and overall performance,with statistically significant differences between the two groups (P values were 0.005,0.045 and 0.013).Concerning score of glossary and multiple-choice questions,differences between two group were not statistically significant (P＞0.05).Conclusions PBL combined with traditional teaching method is suitable for internship teaching in the department of gastroenterology for full-time undergraduates of clinical medicine.PBL can improve students' clinical comprehensive analysis capabilities and helps to develop the ability to take the initiative to solve practical problems.

Objective To observe the effects of CO2 pneumoperitoneum on the enteric motor function and acetylcholine esterase(AchE) neuron and nitric oxide synthase(NOS) neuron in the enteric nervous system,and explore the neuromechanism of the CO2 pneumoperitoneum on renteric motor function.Methods Thirty-six Sprague Dawley rats were randomly divided into experiment group(n=24) and control group(n=12).The experiment group was divided into two subgroups namely pneumoperitoneum 30min group and pneumoperitoneum 60min group(12 each) based on the maintenance time of pneumoperitoneum.Rats in each group were gavaged with medicinal carbon powder,and then the transmission of carbon powder in small intestine was determined.The spreading specimens of intestinal myenteric plexus of small intestine were prepared and the stained AchE and NOS neurons were observed and compared.Results The propellant velocity of carbon powder was slower in pneumoperitoneum 60min group than that in pneumoperitoneum 30min group and control group(28.55%?3.45% vs 45.90%?6.30%,48.25%?5.28%,P0.05).The number of positive expression of AchE neurons in intestinal myenteric plexus decreased in pneumoperitoneum 60min group compared with that in pneumoperitoneum 30min group and control group(48.00?3.16 vs 58.82?4.62,61.83?4.17,P0.05).The number of positive expression of NOS neurons in intestinal myenteric plexus increased in pneumoperitoneum 60min group compared with that in pneumoperitoneum 30min group and control group(42.17?4.45 vs 32.50?4.34,30.83?3.6,P0.05).Conclusions Prolonged CO2 pneumoperitoneum can affect or damage cholinergic neurons and nitroxidergic neurons in the enteric nervous system to some extent,and it may be the underlying mechanism of the intestinal motor dysfunction after operation.

60 years old,severe underlying disease,abuse application of antibiotics,hormones,immunosuppressors and radio-and chemotherapy,invasive operation,and so on.CONCLUSIONS It is important to find out nosocomial fungus infection earlier,and to treat it in time.We must strengthen the education about nosocomial fungus infection,(apply) the antibiotics regularly and rationally,and pay attention to result of culturing from the(microbiological)(laboratory).

[ ABSTRACT] AIM:To evaluate the effect of rosuvastatin combined with irbesartan on the remodeling of myocar -dial hypertrophy in the rats.METHODS:Male SD rats (n=50) were randomly divided into control group, model group, rosuvastatin group , irbesartan group and combination group .The model of myocardial hypertrophy was established by sub-cutaneous injection of isoproterenol at dose of 2.5 mg/kg for 14 d.From the first day of modeling , the rats in control group and model group received intragastrical saline , and the rats in rosuvastatin group , irbesartan group and combination group were treated with rosuvastatin (4 mg· kg-1 · d-1 ), irbesartan (15 mg· kg-1 · d-1 ) and rosuvastatin (4 mg· kg -1 · d-1)+irbesartan (15 mg· kg-1· d-1), respectively.The interventions continued for 4 weeks.After the interventions, the cardiac mass index and left ventricular mass index of the SD rats were measured .Besides, the degree of myocardial hy-pertrophy was observed with HE staining .The mRNA expression of hypertrophy-related factors, such as ANF,β-MHC and AT1R was determined by RT-PCR, and the protein expression of AT1R was determined by Western blot .RESULTS:Compared with control group , the cardiac mass index , left ventricular mass index , as well as the mRNA expression of ANF andβ-MHC in model group were significantly increased (P<0.05).Compared with model group, the above factors in ro-suvastatin group and irbesartan group were decreased ( P<0.05 ) , and the factors in combination group were lower than those in rosuvastatin group and irbesartan group (P<0.05).In addition, the expression of AT1R at mRNA and protein levels in rosuvastatin group and irbesartan group was lower than that in model group ( P<0.05 ) , while the expression AT1R at mRNA and protein levels in combination group was lower than that in rosuvastatin group and irbesartan group (P<0.05).CONCLUSION:Rosuvastatin and irbesartan are equally effective drugs to resist the formation of myocardial hypertrophy by decreasing the expression of AT 1R.Moreover, combination of the 2 drugs is more effective to improve the degree of myocardial hypertrophy than the 2 drugs alone .

Objective To evaluate the clinical value of early alterations of carotid arterial intima-media thickness (IMT) and elastic function in patients with hypertriglyceridemia (HTG) using ultrasound radio-frequency technique.Methods 48 patients (triglyceride value ≥ 1.8 mmol/L) were chosen as HTG group.Quantitative intimamedia thickness (QIMT) and quantitative arterial stiffness (QAS) techniques were used to observe the alterations of carotid arterial IMT and elastic index,including diameter of carotid artery (D),distensibility coefficient (DC),compliance coefficient (CC),elasticity coefficient (α),elasticity coefficient (β) and pulse wave velocity (PWV).50 healthy subjects were recruited in control group.Differences of the above-mentioned parameters were analyzed,as well as the elastic index connections between the two groups.Results IMT,α,β,and PWV index of bilateral carotid arteries in HTG group was higher than that of the control group,while the DC and CC index was lower,and the differences was statistically significant (P＜0.05).Within the groups there were differences between the elastic indexes of bilateral carotid arteries.In control group and the HTG group:CCL＞CCR,αL＞αR,βL＞βR,PWVL＞PWVR.CC was negatively correlated to α,β and PWV (P＜0.05).Meanwhile,there was positive correlation among α,β and PWV (P＜0.05).The differences of D between two groups had no statistical significance (P＞0.05).Conclusions The abnormity of arterial occurs earlier than the morphological change,while the ultrasound radio-frequency technique can provide information of earlier alteration of common carotid arteries structure and elastic function in patients with HTG,which is a significant method of testing early alteration of carotid elastic in patients with HTG.

Objective:To establish an HPLC method for the determination of thymol in thymol alcoholic solutions. Methods: An Agilent Eclipse XDB-C18(250 mm ×4.6 mm,5μm) column was used with the mobile phase of methanol-water (65∶35), the flow rate was 1. 0 ml·min-1 . the detection wavelength was 275nm, the injection volume was 10μl, and the column tenperature was 25℃. Re-sults:A good linear correlation of thymol was observed within the range of 60-160 μg·ml-1(r=0. 999 5). The average recovery was 101. 59% with RSD of 1. 39%(n=9). Conclusion:The method is quick, simple and accurate, which can be used in the determina-tion of thymol alcoholic solutions with good selectivity and sensitivity.