1.Application of the integrated teaching methods into the physiology theory education
Chinese Journal of Medical Education Research 2005;0(06):-
To train the clinical ideation of students majoring in medicine is one of the goals of medical education. Applying the integrated teaching methods to the physiology theory education is helpful to cultivating students′abilities to think and practice the clinical ideation and application,inspiring their interests in study,evoking their ideation and enhancing their abilities to learn initiatively and solving problem independently.
2.Application and Progress of Helper Phage in Phage Display
Dong-Xia DU ; Ran ZHANG ;
Microbiology 1992;0(02):-
Phage display is a widely used gene engineering high technology.Through the display of exogenous peptides or proteins fused specific coat protein on the surface of phages,it is possible to construct proteins or peptides libraries and screen interesting proteins,peptides and antibodies successfully.Most commonly used phage display technology is phagemid/helper phage system,in which helper phages are essential for the replication and assembly of phagemid particles.In this review,in combination with the newest research dynamic status,we summarize phagemid/helper phage double-genome system.We mainly emphasized the features and mutation mechanisms of different helper phages.We also made some prospects for the future directions,in the meanwhile,we also expect that our experience can provide some help for further maturity of the technology.
3.Effects of multifactorial intervention on the endothelial function in newly-diagnosed type 2 diabetic patients.
Mei JIANG ; Ran BAI ; Jianling DU
Chinese Journal of Practical Internal Medicine 2000;0(12):-
0.05).(3)The EIDD in group C was significan improved after intervention[(15.79?3.63)% vs(18.12?4.70)%,P0.05).Conclusion The EDD is improved by blood glucose,pressure and lipid control.While the EIDD was not improved.There was no conspiracy effect on the EDD when blood glucose,pressure and lipid control is combined with vitamine E or compound Dansen dripping pill.But the EIDD is improved after intervention with vitamine E.
4. Effect of solvent pH on properties and clinical use of four drugs in gynecology and obstetrics
Chinese Pharmaceutical Journal 2016;51(24):2175-2194
OBJECTIVE: To investigate the effect of solvent pH on the physical/chemical properties and clinical use of four drugs commonly used in gynecology and obstetrics, including aminophylline, ambroxol, labetalol and ritodrine, through simulation and evidence-based evaluation to provide theoretical guidance and quantitative reference for clinical use. METHODS: By searching PubMed compound and Martindale: The Complete Drug Reference, the physical/chemical and clinical information of the four drugs were obtained. The logP, pKa, logD, and solubility were simulated using ACD/LAB 6.0 software. RESULTS: The solvent pH had effects on the logD and solubility of the four drugs to a certain degree in an exponential manner. The four drugs are compatible with dextrose injection or 0.9% sodium chloride injection, but special care needs to be taken in the clinical use. CONCLUSION: Solvent pH has influence on the dissolution balance of the four drugs. Simulation of the physical/chemical properties of drugs will provide theoretical guidance and reference for clinicians with more detailed information.
5.Microglia activation stimulates bone marrow mesenchymal stem cells to release gliocyte-derived neurotrophic factor for protection of dopaminergic neurons
Dongyan FAN ; Ping WANG ; Ran LIU ; Fenglan NIU ; Bo DU
Chinese Journal of Tissue Engineering Research 2010;14(6):979-984
BACKGROUND: Studies are very few regarding the specific reaction of bone marrow mesenchymal stem cells (BMSCs) to activated microglia. Moreover, it remains unclear how MSCs maintain dopaminergic neuronal survival under specific microenvironment.OBJECTIVE: To explore the effect of BMSCs stimulated by activated microglia on dopaminergic neuron survival.METHODS: BMSCs were isolated from Wistar rats by attachment method, and in vitro cultured; microglia was activated, and dopaminergic neurons were cultured by enzyme digestion method. The experiment included 5 groups: BMSCs, microglia, lipopolysaccharide (LPS)+microglia; BMSCs+LPS+microglia groups, in which the dopaminergic neurons were cultured with corresponding culture medium; the dopaminergic neurons alone group was cultured with 10% fetal bovine serum+ DMEM/F12. The effect of different microenvironment on dopaminergic neuron survival and gliocyte-derived neurotrophic factor released from BMSCs were detected by immunofluorescence technique.RESULTS AND CONCLUSION: The release of gliocyte-derived neurotrophic factor in groups involving BMSCs was greater than corresponding control group. Tyrosine hydroxylase immunofluorescence showed that neuronal survival of dopaminergic neurons alone group was 15%, microglia group was 10%, LPS+microglia was 5%, but BMSCs+LPS+microglia group was 28%, significantly greater than the other groups (P < 0.05). In addition, survival of in vitro cultured dopaminergic neurons was decreased with increasing culture duration, but the survival of dopaminergic neurons in group involving BMSCs was significantly greater than corresponding control group. This indicates that microglia activation stimulated BMSCs to upregulate gliocyte-derived neurotrophic factor to prevent dopaminergic neurons from toxic injury, and inhibit delayed death of dopaminergic neurons.
6.The effect of chronic hypoxia on expression of oncogene erbB in rat lung
Pixin RAN ; Nengtai OUYANG ; Zhiqiang DU ; Zhihui QIU ; Shuncun CHEN
Chinese Journal of Pathophysiology 1986;0(03):-
In order to assess whether there is any abnormality in oncogene expression in hypoxia induced pulmonary hypertension, the expression of oncogene erbB in the lung tissue of rats with and without hypoxia was detected by in situ hybridization with digoxingenin as a prob label. The results showed that there was a slight expression of erbB mRNA in control normoxic rats. After hypoxia for 7 to 21 days, its expression increased significantly as compared with that in control (P
7.Establishment of a rapid method for synthesis and detection of gRNA
Jianyong DU ; Ran DENG ; Hong GAO ; Weidong YONG
Acta Laboratorium Animalis Scientia Sinica 2015;(3):267-271,290
Objective The purpose of this study was to establish a rapid method for synthesis and detection of guild RNA (gRNA) which is an essential component in CRISPR/Cas9 knockout technology .Methods First, the Nkp46 gRNA core fragment was synthesized as amplification template .Second , the forward and reversed primers of the matched gRNA were designed using the Nkp46 gene as reference sequence .Third, the DNA fragment of Nkp46 gRNA was amplified by PCR technology using the synthesized gRNA core fragment as template .The gRNA was reversely transcribed in vitro u-sing amplified DNA fragment as template .The efficiency and specificity of gRNA and its interaction with Cas 9 were detec-ted in vitro.Results The specificity and activity of Nkp46 gRNA were high .The obtained gRNA interacted with Cas 9 en-zyme and successfully cut the target double-stranded DNA at the designed site .Conclusions The method for synthesis and detection of gRNA established in this study is faster than the original method , and the created gRNA is fully functional .
8. Publication and effects of FDA's new rule for pregnant and lactational women
Chinese Pharmaceutical Journal 2016;51(12):1049-1054
OBJECTIVE: To investigating the Pregnancy, Lactation, and Reproductive Potential: Labeling for Human Prescription Drug and Biological Products-Content and Format, and we provide lessons for China's future revolution for the use of drug for pregnant women. METHODS: We analyzed and summarized the materials about the new system, and discussed history, letter risk categorization system, the preparation, new system, the effects of new rule. RESULTS: The new rule eliminates letter risk categorization system (ABCDX). The new system not only combines different parts of the previous rule but also adds a new part-"Females and Males of Reproductive Potential". CONCLUSION: Clinical pharmacists will work better with the new rule, thus should take lessons of FDA's revolutions for rules on pregnancy, and take steps to improve the safety measures for pregnant women.
9. Discussion on Necessity of Therapeutic Drug Monitoring for Advanced Maternal Aged Multiparous Women after the "Universal Two-Child Policy"
Chinese Pharmaceutical Journal 2019;54(19):1631-1636
OBJECTIVE: To investigate whether there is necessity for carrying out pharmaceutical care for advanced maternal aged multiparous women as the number of this special population in our country growing greatly under the "universal two-child" policy. METHODS: We compared the pregnancy outcomes of the advanced maternal aged multipara with advanced maternal aged primipara and right aged multipara to investigate the characteristics of advanced maternal aged pregnancy outcomes. Through analyzing the importance and urgency of pharmaceutical care for advanced maternal aged multipara, we explored current status and challenges, and analyzed pregnancy drug risk category and pregnancy drug registry. RESULTS: Compared with advanced maternal aged primipara and right aged multipara, pregnancy outcomes and exposure risk are different in advanced maternal aged multipara. Pregnancy drug risk category and pregnancy drug registry are crucial measures in observing study of pharmaceutical care. CONCLUSION: It is necessary to carry out pharmaceutical care for advanced maternal aged multipara. Pregnancy drug risk category and pregnancy drug registry can provide basis for designing interventional study of pharmaceutical care.
10. Pharmaceutical Analysis of Judicial Precedents Involving Off-label Drug Use
Chinese Pharmaceutical Journal 2018;53(21):1876-1880
OBJECTIVE: To analyze 13 judicial precedents involving off-label drug use and explore the legal interpretation on off-label drug use in China in order to provide experience for establishment of off-label drug use and clinical application. METHODS: Based on the law databases (China Judgements Online, Chinalawinfo, Jufaanli, Itslaw), 13 cases were searched and screened involving legal off-label drug use. The relationship was investigated and discussed between different results and characteristics of the 13 cases. RESULTS: In 13 cases, there are 2 cases probably reasonable for off-label use, 2 cases unreasonable but not correlated with patients′ outcomes, 9 unreasonable and with a causal relationship with patients′ outcomes. In the 9 unreasonable cases, there are 4 cases without sufficient evidence, 3 cases without informed consent, 1 case lack of monitoring after off-label use, 1 case with idiosyncratic reaction, and 1 case not consistent with the label of the drug used. CONCLUSION: Major deficiencies of off-label drug use in China are without sufficient evidence, lack of informed consent and with uncompleted system on off-label drug use. Establishing more completed and detailed system, investigating enough clinical evidence, better informed consent and monitoring after off-label use are important measurements to ensure safety on off-label drug use.