Objective:To establish a new fluorescence-based quantitative PCR assay for detecting hepatitis B virus covalently closed circular DNA(HBV cccDNA).To explore the effect of artificial liver support system(ALSS)on total HBV DNA and HBV cccDNA in sera of patients with fulminant hepatitis B.Methods:The serum specimens from 50 patients of fulminant hepatitis B prior to and after treatment with ALSS were collected.Then HBV cccDNA was quantitatively detected by fluorescent PCR with specific primer set and Taqman probe.And the results were analyzed by SAS8.0 statistics software.Results:We successfully established a new fluorescence-based quantitative PCR method for HBV cccDNA.HBV cccDNA was detectable in sera of the patients with fulminant hepatitis B.The level of total HBV DNA and HBV cccDNA decreased significantly following plasma exchange in ALSS.The levels of total HBV DNA and HBV cccDNA had positive correlation with degree of PT,ALT,andAST.Total HBV DNA also had positive correlation with HBV cccDNA.Conclusion:The level of total HBV DNA and HBV cccDNA has positive correlation with degree of PT,ALT,and AST,which might be indication of hepatocyte damage.The finding that significant decrease in total HBV DNA and HBV cccDNA after plasma exchange in ALSS may provide a clue of further research about the fulminant hepatitis B treated with ALSS.

Tissue engineering has been one of the most challenging and rapidly developing frontier fields of science in the recent 20 years. Being referred to as “a medical revolution of far-reaching significance”, “a new epoch of regenerative medicine”, it signals the coming of a period of reproduction of regenerative tissue and organs. It has drawn intensive attention and support from medical circles and governments all over the world because of its advantages in trauma repair, functional reconstruction, life saving and improving quality of life, as well as its huge social and economic values. Products of tissue engineered skin and cartilage with approval of the American FDA have been available. Hundreds of tissue engineering companies and research centers have been set up both abroad and at home. It is now possible to construct tissue-engineered tissues. Moreover, projects of complex organ construction by means of tissue engineering is being carried out vigorously in the world. Some tissue-engineered tissues have been put into trial use in clinic and resulted in encouraging outcome. All these forecast a bright and promising prospect for tissue engineering. As a new branch of science and technology that involves multiple specialties and fields, however, it is still at its initial stage. Many fundamental scientific problems are to be explored, and many technical difficulties to be overcome. Hope and difficulty coexist; opportunity and challenge stand side by side. We should seize the opportunity and meet the challenge with our creative and strenuous efforts to make tissue engineering benefit human beings as early and much as possible.

ObjectiveTo investigate the delayed umbilical cord clamping in preterm children of anemia in premature children.Methods60 preterm children were randomly divided into study group and control group 30 patients in each group.The control group was taken regular off umbilical,the observation group delay 90s(after birth at least 2min) off umbilical.ResultsThe Hb, HCT, and SI in the postnatal 1,2,4,8 weeks were significantly lower than the observation group, the difference was statistically significant (all P ＜ 0.05), and the control group after birth in preterm children Ret in the first week was significantly higher than 2,4 in the observation group, the difference was statistically significant(all P ＜ 0.05) ; The observation group at 6 months the incidence of anemia(13.3％) and transfusion rate(6.7％) were significantly lower than the control group(43.3％ ,33.3％) ,the difference was statistically significant(all P ＜0.01).ConclusionDelyed umbilical cord clamping in preterm children could increase the redblood cells and iron reserves in preterm children, reduce the incidence of anemia caused by blood transfusion, was worthy of clinical application.

Objective To investigate the promoting effect of acupuncture plus massotherapy on post-lithotripsy stone discharging in urinary stone patients.Methods Sixty-two patients who had received extracorporeal shock wave lithotripsy were randomly allocated to treatment and control groups, 31 cases each. The treatment group received acupuncture plus massotherapy and the control group, no treatment. The incidence of postoperative complications was observed in the two groups. The clinical therapeutic effects were compared between the two groups.Results The total efficacy rate and the incidence of postoperative complication were 90.3% and 61.3%, respectively, in the treatment group and 77.4% and 80.6%, respectively, in the control group. There were statistically significant differences between the two groups (P<0.01).Conclusion Acupuncture plus massotherapy can promote post-lithotripsy stone dis- chargeing in urinary stone patients.

Objective To analyze the detection results of blood fat and proinsulin related indicators in the patients with type 2 diabetes mellitus(T2DM ) and to investigate the means for improving the patients′ clinical indicators .Methods 57 patients with T2DM in our hospital from February 2013 to February 2015 were divided into the research group ( ≥ 15 .6 mIU /L ,29 cases) and the control group (< 15 .6 mIU /L ,28 cases) according to the proinsulin level .All the cases took glucose ,at the same time the cor‐relation between the blood fat indexes with serum true insulin ,proinsulin and insulin resistance index of steady state insulin assess‐ment model was analyzed .Results Proinsulin ,serum true insulin ,2 h postprandial proinsulin ,2 h postprandial serum true insulin , insulin resistance index of steady state insulin assessment model all had correlation with and apolipoprotein B /apolipoprotein A1 . Conclusion The proinsulin level in the patients with T 2DM is increased ,thus the ratio of apolipoprotein B/apolipoprotein A1 will be accordingly increased .

PET is the most advanced nuclear medical imaging equipment. This paper introduces the characteristics, application and trend of PET.

Objective:To investigate the possibility and the usefulness of group psychological guidance in mental health education course. Methods:Two classes of the same grade were chosen,one was group psychological guidance class,and the other as control. SCL-90 was used to measure the effect of group instruction. Results:after group intervention, the study group decreased more in SCL-90 total score than control (24.5?7.2/13.4?2.5,t=6.24,P

Objective:To investigate the outcomes,complications and safety about Endoscopic thoracic sympathectomy for palmar hyperhidrosis.Methods:Analyzing the results and complications about the 336 cases,who were received Endoscopic thoracic sympathectomy for treating palmar hyperhidrosis from Jan.2005 to Sep.2008,and were followed up.Results:All of their hands became dry and warm after operation.326 patiens were followed-up for 1 to 45 months,and 25.4 months on average.The total Results:No recurrence.Compensatory hyperhidrosis was found in 42 cases(12.88%).Conclusions:It is effective,safer and mini-trauma that Endoscopic thoracic sympathectomy for treating palmar hyperhidrosis.

Objective To analyze the results of human papillomavirus(HPV)DNA genotyping detection in 312 female outpatients attending STD clinics.Methods HPV DNA genotyping was detected by fluorescent quantitative polymerase chain reaction(FQ-PCR)for 312 samples collected from female outpatients attending STD clinics.Results The HPV detection rates in outpatients with HPV in their neoplasm and secretion were 83.8% and 38.1%,respectively,and the difference between the two groups had statistical significance.Of the 111 cases with visible neoplasm 4,5 and 57 cases were with 16,18 and 6/11 single type HPV infection,respectively,while 0,16,8 and 3 cases were.with 16+18,16+6/11,18+6/11 and 16+18/11 multiple type infection,respectively.Of the 201 cases with abnormal secretion including cases with other STDs,cases with CA and other STDs in their spouses,treated cases with CA,and cases asking for self-examination because of their risky sex behavior,15,12 and 43 were with 16,18,and 6/11 single type infection,respectively,while 2,5,1 and 0 cases were with 16+18,16+6/11,18+6/11,16+18+6/11 multiple type infection,respectively.Conclusions High HPV DNA rates were detected in neoplasm and secretion of female STD outpatients;although the low risk 6/11 type HPV infection was the main cause,the common high risk type HPV infection was also detected.Therefore,routine HPV DNA detection should be provided to this population group.

With 20 years’ development, tissue engineering has proceeded to a new stage where the focuses of research are quite different from those at the initial stage. Clinical application and industrial development have been the chief concerns for tissue engineering. After brief comments on the current advances and future prospects, this paper suggests that the future tendencies and strategies will be the primary clinical application, industrial development of tissue engineering products, increasing integration of basic research and clinical application and industrial development, construction of bionic and intelligent tissues or organs, and reliability evaluation. This paper also puts forward some strategies.