1.The development of quorum sensing phenomenon in pathogenic fungi
Fubin CHE ; Nan XU ; Jianghan CHEN
Academic Journal of Second Military Medical University 1981;0(04):-
The quorum sensing commonly exists in procaryote kingdom,regulating various biologic functions.Recently similar phenomenon was also found in fungi world,which affecting both biofilm formation and dimorphism.In this article,we focus on the recent progress on quorum sensing of pathogenic fungi and discuss the possibility of taking quorum sensing molecule as a potential target for antifungl therapy.
2.The Occurring Time and Risk Factors of Progressive Hypertensive Intracerebral Hemorrhage.
Wenhua YU ; Zhihao CHE ; Peiyuan XU
Journal of Medical Research 2006;0(05):-
Purpose Progressive hypertensive intracerebral hemorrhage (PHICH) is often observed in clinical ward,but its prognosis is undetermined.This study is to investigate the duration and the risk factors of progressive hypertensive intracerebral hemorrhage.Methods The diagnosis of PHICH was determined by comparing the first and second CT scans.Potential risk factors including the sex,age,location of hematoma,blood pressure,coagulopathy and the duration of admission to the first CT scan were analyzed.Results In a cohort 143 patients,the PHICH were found in 41 cases(28.7%)after the second scan,and among them,32 patients(22.4%)were necessary to perform craniotomy for evacuation of hematoma,most of the PHICH occurred within 24 hours after onset.Older age,thalamus bleeding,high systolic blood pressure within 6 hours,coagulapathy and shorter duration from admission to the first CT scan were the predictors associated with PHICH.Conclusion PHICH occurs in almost 1/4 of hypertensive intracerebral hemorrhage,predominantly in elder,thalamus bleeding,coagulapathy,high systolic blood pressure within 6 hours and shorter duration between onset and the first CT scan.CT examination within 24 hours after admission is crucial to reveal the exact condition of the patient.
5.The application of seminar teaching on postgraduate education of ophthalmology
Guiqiu ZHAO ; Jing LIU ; Chengye CHE ; Xiaonan LIU ; Nana XU
Chinese Journal of Medical Education Research 2011;10(11):1288-1290
To investigate the application of seminar teaching on postgraduate education of ophthalmology,postgraduate from Grade 2008 to Grade 2010 were divided into experiment groups and control groups.Seminar teaching and conventional teaching were applied to two groups respectively.The performances of seminar teaching groups at each grade were better than the control groups ( P < 0.05 ).Thus,seminar teaching can enhance theory and operation ability of postgraduate.
6.The correlations between the different pathological types gastritis and the expressions of AQP3 and AQP4
Peng YANG ; Hua XU ; Hua ZHANG ; Huigang CHE ; Jianxiang WANG
The Journal of Practical Medicine 2015;31(15):2471-2474
Objective To explore the correlations of expressions of gastric mucosa water channel aquaporin AQP3 and AQP4 and different gastritis types. Methods The gastric mucosa was mounted under gastroscope. The types of gastric mucosa pathology and activity were tested by the common pathohistology. The expressions of AQP3 and AQP4 were determined by immunohistology. Results The expressions of AQP3 and AQP4 of chronic superficial gastritis were significantly higher than those in the non-gastritis group and chronic atrophic gastritis group (P < 0.01), especially in the activity period of chronic superficial gastritis. The expressions of AQP3 and AQP4 of chronic atrophic gastritis group were reduced when compared to those in the non-gastritis group, in spite of no statistical differences between them. While compared to the non-gastritis group , the expression of AQP3 of chronic atrophic gastritis group during the active stage was remarkably decreased (P < 0.05). Conclusion The expressions of AQP3 and AQP4 of gastric mucosa in chronic gastritis in various pathological types are different. AQP3 and AQP4 may be the targeted point , which could be used for the differential diagnosis and treatment of chronic gastritis of different pathological types.
7.Risk factors for development of succinylcholine-induced postoperative myalgia
Zhendong XU ; Lei GAO ; Mingwei LI ; Xuehua CHE
Chinese Journal of Anesthesiology 2015;35(6):660-662
Objective To determine the risk factors for development of succinylcholine-induced postoperative myalgia.Methods One hundred and fifty-five patients,aged 18-64 yr,of ASA physical status Ⅰ or Ⅱ,with body mass index of 20-30 kg/m2,scheduled for elective craniofacial surgery,were included in the study.Total intravenous anesthesia with propofol or combined intravenous-inhalational anesthesia with sevoflurane was performed during surgery.The patients were divided into 2 groups according to whether or not myalgia occurred within 24.h after surgery:myalgia group and non-myalgia group.Factors including gender,age,body weight,duration of surgery,method of anesthesia,dose of succinylcholine,preinjection of lidocaine or nondepolarizing muscular relaxants during induction of anesthesia,use of hormone (dexamethasone or methylprednisolone) and nonsteroidal analgesics (parecoxib sodium) during surgery,and consumption of fentanyl were recorded.The risk factors of which P values were less than 0.05 would enter the multivariate logistic regression analysis to stratify the risk factors for development of succinylcholine-induced postoperative myalgia.Results Forty-one patients developed postoperative myalgia,and the incidence of myalgia was 27.2%.The results of logistic analysis indicated that succinylcholine < 1.5 mg/kg and no preinjection of lidocaine were closely correlated with the development of postoperative myalgia induced by succinylcholine.Conclusion Succinylcholine<1.5 mg/kg and no preinjection of lidocaine are the risk factors for development of succinylcholine-induced postoperative myalgia in the patients.
8.Effect of labor analgesia on development of postpartum depression
Yue SU ; Jie SUN ; Mingjun XU ; Xiangming CHE
Chinese Journal of Anesthesiology 2015;35(3):317-319
Objective To evaluate the effect of labor analgesia on the development of postpartum depression.Methods Seventy nulliparous parturients who were at full term with a singleton fetus in vertex presentation,aged 20-35 yr,with body mass index<27 kg/m2,at 38-41 weeks of gestation,of ASA physical status Ⅰ,were enrolled and divided into 2 groups (n =35 each) using a random number table:vaginal delivery group (group VD) and labor analgesia group (group LA).In LA group,the epidural catheter was placed at L2,3 interspace for combined spinal-epidural analgesia when their cervical dilations were in 2-3 cm.VAS score was maintained below 3 after the analgesia.Parturients completed Edinburgh Postnatal Depression Scale questionnaires 42 days after the labor.The development of depression was recorded.Results The incidence of postnatal depression was significantly lower in LA group (17%) than in VD group (40%).Conclusion Labor analgesia can decrease the development of postpartum depression.
9.ESTIMATION OF NITROGEN RETENTION BY N-BALANCESTUDIES AND THE ADEQUATE PROTEIN INTAKEOF PRESCHOOL CHILDREN
Wenzhen PANG ; Eryi XU ; Shouqin LI ; Shuping CHE ; Jingxian MO
Acta Nutrimenta Sinica 1956;0(04):-
Nitrogen balance of normal developed, healthy preschool children 4-7 yrs old, lodged in the kindergartens was studied. 105 preschool children were divided into 15 groups at different protein intakes ranged from 6.28g /MJ to 10.35g/MJ. Prominant correlationship was shown between the intake of protein g/MJ (x) and the retained nitrogen g/kg (y), r= 0.6709, n= 15, p
10.Determination Method Improvement for Chloramphenicol Hydrocortisone Ear Drop
Zheng GENG ; Qingqing LU ; Hui CHE ; Chaodou XU
China Pharmacist 2017;20(2):389-391
Objective:To establish a method for the determination of chloramphenicol and hydrocortisone in chloramphenicol hy-drocortisone ear drop. Methods:An HPLC method was used with a Shiseido SPOLAR C18 column (250 mm ′4. 6 mm, 5 mm). The mobile phase was 0. 01 mol·L-1 sodium heptane sulfonate buffer solution (6. 8 g potassium dihydrogen phosphate was dissolved in 0. 01 mol · L-1 heptane sodium sulfonate buffer solution and diluted to 1000 ml, 5 ml triethylamine was added and mixed, and then the pH was adjusted to 2. 5 by phosphoric acid)-methanol (40︰60). The column temperature was 30℃ and the flow rate was 1. 0 ml · min-1 . The detection wavelength was 245 nm and the injection volume was 10 μl. Results: Chloramphenicol and hydrocortisone had a good linear relationship within the range of 50. 26-753. 84 μg · ml-1 ( r =0. 9996 ) and 10. 93-163. 92 μg · ml-1 ( r =1. 0000), respectively. The average recovery of chloramphenicol was 100. 21% and RSD was 0. 48%(n=9). The average recovery of hydrocortisone was 100. 82% and RSD was 0. 37% (n=9). Conclusion:The method has the advantages of high specificity, good reproducibility and high precision, and can be used as a method for the determination of chloramphenicol and hydrocortisone in chlor-amphenicol hydrocortisone ear drop.