A strain FCg77 was isolated from root nodule of Casuarina glauca by the squashing. The biological characteristics experiments demonstrated that the optimum culture medium was BAP, and the optimum carbon and nitrogen sources were tween-80 and beef. Strain FCg77 could endure 5% salinity. The strain was divided into physiological group AB, and the cell wall chemical composition was type III strain. And combined with the results of back inoculation tests, the strain of FCg77 was preliminary identified as a member of Frankia.

Objective To investigate the influence of erythropoietin in the metabolism of extracellular matrix after myocardial ischemia-reperfusion injury.Methods The langendroff reperfusion system was applied to investigate the protective function of EPO in ischemia-reperfusion condition in rats.The effects of EPO on extracellular matrix were observed by Western blot and signal pathway blocker.The LVEDP and infarction area were observed at the same time.Results EPO significantly improved LVEDP [(19.8±0.2) mmHg vs (35.9±0.2) mmHg,IR group vs EPO +IR group,P＜0.05]and decreased infarction area (35.26%±7.13% vs 62.70%±7.23%,IR group vs EPO+IR group,P＜0.05).The expression of MMPs was significantly decreased and the expression of collagenase Ⅰ/Ⅲ was significantly enhanced by EPO (MMP2 53.2+2.6 vs 21.2+2.5;MMP9 57.6±3.1 vs 19.2±2.6;IR group vs IR+EPO group (P＜0.05);collagen Ⅰ 43.2±2.2 vs 11.4±2.3;collagen Ⅲ 55.3±3.2 vs 18.1 vs 2.3;IR+EPO group vs IR group (P＜0.05).This function can be inhibited by Mek-Erk inhibitor.Conclusion EPO plays a role in the metabolism of extracellular matrix by Mek-Erk signal pathway,which can protect the heart tissue from ischemia-reperfusion injury.

Objective To understand the current state of staff for Plasmodium microscopy examinations in Changzhou City in the early stage of eliminating malaria action,so as to provide the evidence for achieving the target of malaria elimination. Methods The staff for Plasmodium microscopy examinations from medical institutions and centers for disease control and prevention at differ-ent levels were investigated by questionnaires and tests of the malaria related theory and microscopic operation. Results Totally 95 people were investigated,and among them,40.0%had college degree and 45.3%were university educated. There were 18.9%of them working on Plasmodium microscopy examinations for less than 1 year,40.0%for 2-5 years,18.9%for 6-10 years and 22.1%for more than 10 years. The numbers of person-time of provincial and municipal level training,district-level training,and unit-level training in the last year were 0.57,0.59,and 0.14,respectively. Totally 18.9%of them had the experience of finding Plasmodium at work,and 97.9% of them considered it was necessary or very necessary to do Plasmodium microscopy examina-tions. However,57.9%and 8.4%of them considered Plasmodium microscopy examinations increased their work load and work dif-ficulty,respectively. The average correct rates of knowledge tests on malaria before and after training were 72.5%and 91.6%re-spectively(P<0.05). The average mark of Plasmodium microscopic tests was 25.3 points(full mark being 50 points),and the passing rate(≥30 points)was 58.9%. Conclusion The working experience of staff for Plasmodium microscopy examinations in Changzhou City is relatively poor,and the related training should be enhanced.

Objective To analyze the results of assessment and authentication of malaria elimination of 7 county?level cities and districts in Changzhou City,Jiangsu Province,and explore the suitable monitoring methods for malaria after the elimination in this region,so as to provide the evidence for formulating and adjusting the malaria elimination strategies and measures. Meth?ods The data from the network reports of malaria epidemic situation,blood examinations of febrile patients,epidemiological questionnaires of malaria cases,investigation of epidemic focuses and disposal tables were collected and analyzed in Changzhou City from 2009 to 2014. The clinicians were assessed with the closed?book written examinations for their ability of the diagnosis and treatment of malaria. The inspection personnel were assessed by the microscopical examinations of Plasmodium. Totally 30 negative blood slides were reviewed. In the natural village where the last local case of malaria was located ,200 blood filter pa?pers were collected for gene detection of Plasmodium. Results From 2009 to 2014,145 malaria cases were reported in Chang?zhou City. Totally 170 638 febrile patients received blood detections for malaria,of which 137 cases were positive and the posi?tive rate was 0.08%. The majority of malaria cases were imported except 8 local malaria infection cases in 2009 and 2 local ma?laria infection cases in 2010. Four of seven county?level cities(districts)gained an average score of 20 points on the microscopi?cal examinations of Plasmodium. Liyang City got a minimum average score of 18.8 points. In capacity assessment of malaria diag?nosis and treatment,Liyang City gained the highest average score of 19.8 points,and Qishuyan District got the lowest average score of 18.0 points. The malaria elimination assessment scores of the 7 county?level cities(districts)were all above 93 points. Four county?level cities(districts)(Xinbei District,Wujin District,Liyang City,and Jintan City)carried out the active case detections. A total of 731 cases were detected and the results were all negative. Liyang City in 2012,Zhonglou District and Jin?tan City in 2013,Tianning District,Qishuyan District,Xinbei District and Wujin District in 2014,passed the malaria elimina?tion assessment at county(district)level,respectively. Conclusions All the 7 county?level cities(districts)of Changzhou City have passed the malaria elimination assessment at a high score. After the malaria elimination ,the monitoring should contin?ue to consolidate the achievements.

Objective To evaluate the effect of comprehensive schistosomiasis control in Changzhou City in recent 10 years, so as to provide the evidences for formulating the future prevention and control strategy. Methods The work reports and the da?ta of the schistosomiasis comprehensive control projects in Changzhou City from 2004 to 2014 were collected,the infection sta?tus of residents and livestock as well the Oncomelania hupensis snail situation were analyzed,and the implementation effect of the comprehensive control projects was evaluated. Results From 2004 to 2014,totally 215 368 person?times were examined, and the positive rate of the blood examinations of the population was 0.24%(478/198 356),and there were no positive cases de?tected out by using the miracidium hatching method. Totally 11 935 domestic animals were detected and no positives were found. From 2004 to 2014,the total area with snails was 92.27 hm2,and marshland,inland and mountain environments accounted for 34.75%,34.82%and 30.43%,respectively. The newly discovered area with snails was 34.40 hm2,and marshland,inland and mountain environments accounted for 2.62%,71.22% and 26.16%,respectively. Totally 8 511 snails were dissected and no schistosome infected snails were found. From 2004 to 2014,a total of 242 600 harmless toilets were built,2 704 700 domestic animals were reared in pens,5.82 km?long rivers were dredged,2 250.11 hm2 of protective forests were constructed,a total area of 625.79 hm2 were controlled with molluscicides,and an area of 149.58 hm2 were environmentally transformed. Totally 5.4 mil?lion people received health education. The awareness rate of knowledge on schistosomiasis control of residents was 96.00% in 2014. Conclusions There exists the risks of snails import and diffusion and schistosomiasis resurrection in Changzhou City, but under the condition of continuous implementation of comprehensive control measures,the endemic situation of schistosomia?sis is stable and the control achievement is consolidated in this city.

Objective To understand the quality of blood smears for Plasmodium detection in Changzhou City,so as to pro?vide the technical support for malaria surveillance in the post?elimination period. Methods The blood smears of fever patients from each cities(districts)in Changzhou City in 2014,including more than 3%of the negatives and all the positives,were se?lected. The quality of the blood smear making,dyeing,cleanliness and results were reviewed by the experts from the municipal malaria microscopy station,and the data were analyzed statistically. Results Totally 996 negative blood smears were reviewed in 2014,with a review rate of 4.52%. The qualified rates of blood smear making,dyeing and cleanliness were 92.87%,93.27%and 94.48%,respectively. A total of 34 positive blood smears were reviewed,and there were no false detections and leak detec?tions. The qualified rates of blood smear making and dyeing were more than 90%in all the seven cities(districts). As for quali?fied rate of cleanliness,except the rate in Qishuyan District(81.36%),those in the other six cities(districts)were all above 90%. The qualified rates of blood smear making,dyeing and cleanliness were all more than 90%in first?class,second?class and third?class hospitals. The major quality defects of the blood smears were sediment,abnormal making and thick membrane shed?ding,and the proportions were 25.91%,21.76%and 19.17%,respectively. Conclusions The quality of blood smears for Plas?modium detection in Changzhou City is satisfying. In the future,the training and supervision still should be strengthened to guar?antee the capacity of microscopic examinations for Plasmodium detection in the surveillance of post?elimination period.

AIM:To study the expressions of galectin-3 and the possible anti-infectious function in genital tract of female mouse. METHODS:The expressions of galectin-3 mRNA in different reproductive tissues were analyzed by RT-PCR. The mouse model of genital tract infection was constructed by injection of LPS and Freunds adjuvant incomplete into the vaginal mucous. The expression pattern of galectin-3 protein was detected by immunohistochemistry. RESULTS:The expression of galectin-3 mRNA was detected in the uterus,vagina,oviduct and ovary of normal adult mouse. The galectin-3 protein was expressed in the genital tract mucous of epithelial cell surface and uterine gland. After stimulation with LPS,the expression of galectin-3 protein was significantly up-regulated compared to normal control and adjuvant control (P

Objective To grasp the malaria epidemic situation in Changzhou City from 2010 to 2014,so as to provide the ev?idence for formulating and adjusting malaria control strategies and measures. Methods The epidemiological data of malaria cas?es in the special report system from 2010 to 2014 were collected,and the malaria epidemic situation and the diagnosis and treat?ment of malaria patients were analyzed. Results There were 132 malaria cases reported in Changzhou City from 2010 to 2014, with a decrease of 27.47%compared to 182 cases from 2005 to 2009. Among the 132 cases,2 cases were local infected cases and the remaining 130 cases were imported cases. Four cases were clinically diagnosed and 128 cases were laboratory con?firmed,with 97 cases of malignant malaria,14 cases of vivax malaria,13 cases of ovale malaria,and 4 cases of quartan malar?ia. The 132 cases were distributed in five districts:56 cases in Jintan City,51 cases in Liyang City,19 cases in Tianning Dis?trict,3 cases in Wujin District,and 3 cases in Xinbei District. The median duration between the onset and treatment of the dis?ease was 2 days,and the median duration between the diagnosis and treatment was 1 day. The diagnosing units were concentrat?ed on the county?level disease control agencies,and medical institutions at county and municipal levels,accounting for 92.42%(122/132). From 2011 to 2014,there were no local malaria cases. Conclusions From 2012 to 2014,there have been no local malaria cases in Changzhou City,and the goal of eliminating malaria has been achieved basically. However,there are still many imported malaria cases,and the infected species are diverse. Therefore,imported malaria is still the key of malaria prevention and control.

Objective To investigate the influence of Angiopoietin-1(Ang1)gene modified mesenchymal stem cells on the expression of adhension factors from endothelial cells,to clarify the feasibility of modulating inflammation reaction by gene modification after stem cells transplantation.Methods Genetic engineering rMSCs were constructed by lentivirally-tranduced Ang1 gene,the expressions of ICAM-1 and VCAM-1 at different time points after 20 ?g/L VEGF stimulating were investigated,the supernatants of gene modified rMSC were collected and then added into HUVEC culture with different concentrations of Ang1,the expressions of adhension factors after VEGF stimulated were observed at the same time.Results Genetic engineering rMSCs were successfully constructed,the expressions of ICAM-1 and VCAM-1 mRNA were significantly increased after VEGF stimulated,the maximal value was at 8 h,the ICAM-1 and VCAM-1 mRNA expressions were decreased after incubation with Ang1 at different concentrations,Ang1 suppressed the VEGF-stimulated protein levels of ICAM-1 and VCAM-1.Conclusion The supernatants of Ang1 gene modified stem cells can suppresse VEGF-stimulated inflammation reaction of HUVEC.