1.Analysis of the Polymorphism Distribution of Clopidogrel Metabolism Related Gene CYP2C19 in Patients with Coronary Artery Disease in Wuhan
Ruiling HAN ; Yan LI ; Wei WU
Journal of Modern Laboratory Medicine 2015;(3):21-23
Objective To screen for clopidogrel metabolism related gene CYP2C19 in patients with coronary artery disease in Wuhan.Methods 316 patients,from Jan to Dec 2014,after cardiology percutaneous coronary interventional therapy (PCI) for the treatment of coronary artery disease were selected as research object.Clopidogrel metabolism related CYP2C19 geno-types (* 1,* 2,* 3)were detected by the gene chip,and for different types of metabolism of patients according to CYP2C19 gene type:strong metabolize type (*1/*1),intermediate metabolizer types (*1/*2,*1/*3),poor metaboli-zer types (*2/*2,*3/*3,*2/*3).Results According to the CYP2C19 gene polymorphism of metabolic function type, strong metabolic type carrying CYP2C19*1 (*1/*1)accounted was 43.4%,intermediate metabolizers carrying CYP2C19*2 or *3 (* 1/* 2 and * 1/* 3)and poor metabolizers (* 2/* 2,* 2/* 3 and * 3/* 3)accounted was 42.4% and 14.2%,respectively.Different gender had no statistical significance in CYP2C19 genotype differences.Conclusion Clopi-dogrel metabolism functional of CYP2C19 gene in patients with interventional coronary heart disease in Wuhan area had more deletion gene.
2.Recent Progress on Rhamnolipid Biosurfactant
Hong WU ; Wei WANG ; Shuang-Yan HAN ;
Microbiology 1992;0(01):-
Rhamnolipid,an important biosurfactant,is reviewed with respect to chemical strocture,properties,physiological role and their fermentation production,especially focusing on the production with inexpensive raw materials,such as vegetable oils and residues from agro- industrial wastes.This can not only reduce the production costs,but also contribute to the reduction of environmental impact generated by the discard of residues,and the treatment costs.
3.Constructing a tissue engineered intervertebral disc scaffold
Ziyan ZHANG ; Huadong YAN ; Kun TONG ; Rui JIANG ; Han WU
Chinese Journal of Tissue Engineering Research 2013;(38):6825-6831
BACKGROUND:Advancement in bioengineering based upon tissue engineering techniques may offer the possibility of repairing degenerative intervertebral disc.
OBJECTIVE:To summarize the research progress in the scaffolds of tissue engineered intervertebral disc.
METHODS:A computer-based retrieval was performed to search manuscripts describing tissue engineered intervertebral disc scaffolds published between January 1st, 1900 and December 31st, 2012 in PubMed database with the key words of“tissue engineering, intervertebral disc, scaffold”in English.
RESULTS AND CONCLUSION:Scaffold is an important part of tissue-engineered research. There are three kinds of materials for intervertebral disc scaffolds:natural biomaterials, synthetic materials, and composite materials. A variety of scaffold materials have their own advantages and disadvantages. Up to now, none of these scaffold materials is accepted as the most suitable one. The selection of scaffold materials is stil to be further studied. The study and development of nanoscale biomaterials is an inevitable trend. Otherwise, with the help of bionics, improving scaffolds is also an inexorable trend in progress of simulating human intervertebral disc. Furthermore, injectable scaffold is also an research hot spot, and the selection range of injectable scaffold materials mainly focuses on chitosan, typeⅡcolagen,hyaluronic acid,fibrin,elastin,and alginate.C urrently, studies on chitosan as a scaffold material are relatively more.
4.SUMO Expression and Regulation in Oxidative Stress in Cultured Human Lens Epithelial Cells
Xiao HAN ; Xinling WANG ; Di WU ; Jinsong ZHANG ; Qichang YAN
Journal of China Medical University 2015;(3):193-198
Objective To observe the expression of small ubiquitin?related modifiers(SUMO)protein in normal cultured human lens epithelial cells(SRA01/04)and discuss regulation effects of SUMO protein on oxidative stress induced by high glucose. Methods The expression and local?ization of SUMO 1,2/3,4 was detected in normal cultured SRA01/04 cells through immunocytochemistry. The mRNA expression levels of SUMO 1?4 were examined by RT?PCR after the SRA01/04 cells treated with high glucose media at different concentrations and time points. Samples were grouped by medium concentrations(glucoses 5.5 mmol/L,12.5 mmol/L,25 mmol/L,50 mmol/L respectively for 24 h)and by treatment time(0 h, 6 h,12 h and 24 h respectively). After highly efficient transfection of GFP?SUMO2 into SRA01/04 cells,the survival and apoptotic rates of transfect?ed and un?transfected cells treated with high glucose was detected by CCK8 method and AV/PI double staining flow cytometry. Results The immu?nocytochemistry results showed that SUMO1,2/3,4 proteins were mainly located in the nucleus of SRA01/04 cells and part of SUMO2/3 was in the cytoplasm. RT?PCR results showed that compared with the low?glucose group,the mRNA expression of SUMO1?4 was increased along the increas?ing glucose concentration in the high?glucose group(P<0.05). Compared with 0 h,the mRNA expression of SUMO1?4 was enhanced at 6 h,12 h and 24 h(P<0.05)in the high?glucose group treated at 50 mmol/L concentration. Compared with the un?transfected cells,the survival rate was in?creased and the apoptotic rate was decreased in GFP?SUMO2 transfected cells in oxidative stress induced by high glucose(P<0.05). Conclusion SUMO protein was positively expressed in SRA01/04 cells and the expression of SUMO mRNA was affected by oxidative stress induced by high glu?cose.
5.Perioperative nursing of patients with planted soft tissue expander after breast cancer surgery
Ling HAN ; Bei WANG ; Yan WU ; Kaiwei WANG ; Jun PAN
Modern Clinical Nursing 2014;(11):41-44
Objective To explore the key points of perioperative nursing patients with planted soft tissue expander after breast cancer surgery.Method The clinical data of 55 patients with planted soft tissue expander after breast cancer surgery were reviewed to summarize the nursing measures.Result Operative process in 55 pattents were succesful,surgery time ranged from 3 to 5 hours.16 of 55 patients developed with complications and all of them were recovered and discharged.Conclusions Perioperative nursing intervention for the patients with planted soft tissue expander after breast cancer surgery can reduce the incidence of complications,improve the life quality and help them build up their confidence in social and family life.
6.Research Progress in Molecular Pharmacognosy of Bupleuri Radix
Xiaowei HAN ; Yuping YAN ; Lanfang WU ; Jiahu YANG ; Yuguang ZHENG
Chinese Journal of Information on Traditional Chinese Medicine 2017;24(7):125-128
Molecular pharmacognosy is an emerging interdisciplinary subject with crude drugs as research subjects. Its development provides a new theoretical method and technique for traditional pharmacognosy research, so that the study of crude drugs has reached the level of gene. As traditional Chinese materia medica, Bupleuri Radix has developed molecular pharmacognosy research on the basis of traditional research Methods , and achieved certain Results . This article summarized the research achievements of Bupleuri Radix through molecular pharmacognosy method in recent years, and prospected this field, in order to further provide references for the protection, development and utilization of Bupleuri Radix resources and other TCM resources.
7.Medpor-coated tear drain in lacrimal bypass surgery without skin incision
Yiming REN ; Wei JIANG ; Min QIU ; Yan WU ; Fei HAN
Journal of Regional Anatomy and Operative Surgery 2014;(2):138-139,143
Abstrac:Objective To analyze the efficacy and safety of medpor-coated tear drain in lacrimal bypass surgery without skin incision. Methods The data of 7 patients(7 eyes) who underwent no skin incision of lacrimal bypass surgery with medpor-coated tear drain were ret-rospective reviewed. The operation result and complications were observed. Results All patients were followed up for 5~17 months. Com-plete or significant improvement of epiphora was achieved in 5 cases at the last follow-up. Complications included conjunctival granulation hy-perplasia (3 eyes),nasal mucosal granulation hyperplasia (2 eyes),and discomfort (4 eyes). Conclusion The lacrimal bypass surgery with medpor-coated tear drain could be expected to improve epiphora of refractory lacrimal obstruction. The main complications are granulation hyperplasia and discomfort.
8.Construction of pRNAT-U6.1/Neo siRNA System to Knockdown E2F-3 Activity
Hailong HU ; Changli WU ; Yan SUN ; Wenlan ZHANG ; Ruifa HAN
Tianjin Medical Journal 2009;37(10):829-831,后插1
Objective: To construct siRNA plasmid expression vector in order to knockdown E2F-3 activity. Methods: Sixty-four base-pair oligos for hairpin RNA expression, which targeted E2F-3 gene, were chemically synthesized and annealed. The pRNAT-U6.1/Neo vector was linearized with Bam HI and HindⅢ. Finally, the annealed oligos were inserted into the lined pRNAT-U6.1/Neo to construct RNAi plasmid(pRNAT-U6.1-E2F-3/Neo). The reconstructed RNAi plasmids were i-dentified by electrophoresis after digestion with BamHI and Hind Ⅲ, and were confirmed by sequencing analysis. Results: The recombinant pRNAT-U6.1-E2F-3/Neo vector was identified by polymerase chain reaction, and confirmed by sequencing analysis. The results demonstrated that 64 bp had been inserted into the expected site. Furthermore, the insertion sequence was exactly correct and no mutation site was found. Conclusion: The pRNAT-U6.1-E2F-3/Neo RNAi system was constructed successfully. This will facilitate the study of E2F-3 in bladder cancer cell lines.
9.Dosimetric comparison of RapidArc with fixed gantry dynamic IMRT for loco-regionally advanced nasopharyngeal carcinoma
Hao WU ; Shukui HAN ; Yan SUN ; Fan JIANG
Chinese Journal of Radiation Oncology 2010;19(5):410-413
Objective To compare the dosimetric difference of RapidArc and fixed gantry angle dynamic IMRT (dIMRT) for loco-regionally advanced nasopharyngeal carcinoma.Methods Ten previously treated patients with loco-regionally advanced nasopharyngeal carcinoma were replanned with RapidArc and dIMRT, respectively.The prescription dose was GTV 70 Gy/33 f and PTV 60 Gy/33 f.All plans met the requirement:95% of PTV was covered by 60 Gy.Dose-volume histogram data, isodose distribution, monitor units,and treatment time were compared.Results Dose distribution has no significant difference between the two techniques.RapidArc reduced the dose of the brainstem, mandible, and other normal tissues compared with dIMRT.Mean monitor units were 589.5 and 1381.0 for RapidArc and dIMRT (reduced by 57% relatively).Mean treatment time was 2.33 min and 7.82 min for RapidArc and dIMRT (reduced by 70% relatively).Conclusions Compared with dIMRT, RapidArc achieves equal target coverage and OAR sparing while using fewer monitor units and less time during radiotherapy for patient with loco-regionally advanced nasopharyngeal carcinoma.
10.Clinical observation of Xuanfeitongfu method in cluster treatment of severe pneumonia
Guangping WU ; Yan ZHANG ; Fang LAI ; Yun HAN
The Journal of Practical Medicine 2017;33(6):1005-1007
Objective To observe the clinical efficacy of Xuanfeitongfu method in treatment of severe pneumonia and to explore its clinical value in the management of severe pneumonia. Methods Totally,62 patients with severe pneumonia were randomly divided into the control group (n = 30) and the treatment group (n = 32). The control group was given cluster treatment,including oxygen cure,anti-infection and nutrition support and maintaining a stable internal environment and etc. The treatment group was treated with Tongfu decoction orally(one dose a day,a total of 5 days)on a basis of cluster treatment. The comparison was conducted in the 2 groups in the levels of C reaction protein,calcitonin,the change of blood gas analysis,the time of mechanical ventilation and the mortality of severe pneumonia in ICU at baseline and 3,5 days after treatment. Results The level of C-reactive protein,calcitonin,the change of blood gas analysis were statistically significant (P < 0.05). The time of mechanical ventilation and the mortality were better in the treatment group (P < 0.05). Conclusion Xuanfeitongfu method can effectively improve oxygenation ,assist the anti-infection effect ,reduce the time of mechanical ventilation and ICU retention time ,ultimately improve the outcome of severe pneumonia.