1.Social determinants of the life quality among the elderly in Beijing, China
Tongtong LI ; Renfei FANG ; Zheng XIE
Journal of Peking University(Health Sciences) 2014;(3):450-454
Objective:To verify the association between social determinants and the quality of life ( QoL) among the elderly in Beijing .Methods:A questionnaire household survey was conducted and 1 685 over 60 dwellers in Beijing were interviewed .The EQ-5D scale was used to measure the elderly ’ s QoL and Time Trade-off model was used to calculate the EQ-5D index.Multiple linear regression and Logistic regression were employed to analyze the association between social determinants and the QoL .Results:There was no statistical significant difference in the QoL between the urban and the rural residents ( P>0 .05 ) .The elderly with higher education level and income or married tended to have higher overall QoL scoresand better performance of five dimensions of the QoL (P<0.05).Conclusion:More policies should be focused on the elderly with lower social determinants in both urban and rural areas in Beijing .
2.Status quo of National Essential Medicine System in village clinics of a province in western Chi-na
Tongtong LI ; Zheng XIE ; Tuohong ZHANG
Chinese Journal of Health Policy 2015;(6):34-38
Objective:To study the status quo of National Essential Medicine System ( NEMS) in village clinics of a province in western China. Methods:Individual in-depth interview was carried out with village doctors and their managers of a province in western China, to understand the subsidies of zero-markup rate, compensations for general medical fees, and status quo of NEMS assessment mechanism and its impacts on prescribing behavior of village doc-tors. Results:In the surveyed area, the intervention of NEMS has not achieved the desired objectives: the prescri-bing behavior of village doctors has not changed significantly;general medical fee system has failed to achieve reason-able compensations;and the assessment mechanism done by village doctor managers has been a mere formality. Con-clusions and Suggestions:To ensure the feasibility, effectiveness and sustainability of the intervention, the area poli-cymakers should take into full consideration the special nature of village doctors.
3.Study on the approaches and institutional guarantee of scientific research achievements classified transformation in medical universities
Yu BAI ; Bei CAO ; Tongtong ZHENG ; Xingcun ZHAO
Chinese Journal of Medical Science Research Management 2016;29(6):452-455
This study researched the results transformation problem in medical universities,sorted the current situation in this filed,analyzed the causes of the low transformational rate.Then by referring to the domestic and overseas experience,the author designed the classified transforma tional path of medical research results according to their respective features,finally put forward policy suggestions for institutional guarantee policy to promote the transformation of medical universities.
4.Analysis of demands of African students for China-Africa malaria preven-tion training
Qi WANG ; Jie WANG ; Tongtong LI ; Jun CAO ; Zheng XIE
Chinese Journal of Schistosomiasis Control 2016;28(4):461-464
Objective To understand the demands of African students on the China?Africa malaria prevention training pro?grams as well as explore further suggestions on the student selection and course content design. Methods A self?administered questionnaire survey was conducted,and all the students who attended in the malaria prevention training courses in 2014 and 2015 were included. The Chi?square test was conducted to analyse the correlations between professional backgrounds ,work stat?ues and training needs. Results A total of 161 individuals were sampled eventually. These participants were trained in either English(58.4%)or French(41.6%). Most of the participants were male(69.3%),the major of them were mainly clinical tech?nology specialty(40.0%),and most of them worked in malaria area within 10 years(56.4%). Moreover,48.2%of the partici?pants used more than 76%of total work time on malaria control,and more than 80%worked in national or provincial/municipal level. The working areas of these participants were focused on clinical field(41.4%)and official field(29.9%),and only a few of them were from research positions(11.9%). The most needed course content in malaria training was strategy and epidemiolo?gy knowledge for malaria prevention and control(65.5%),while clinical workers were most needed to be trained(39.2%). The participants who came from French speaking countries preferred strategy training(χ2=12.528,P<0.01),and those worked in the national level were aslo more likely to choose strategies training course(χ2=10.508,P<0.05). Conclusions Currently, the China?Africa malaria prevention training programs could basically satisfy African students’needs. However,more aimed courses should be designed according to their professional backgrounds,national situation,work experiences on malaria con?trol,and institutional levels.
5.Detection of tumor cells in the peripheral blood of the patients suffered from gestational trophoblastic tumor
Shiming LV ; Yifu SHI ; Liqin ZHOU ; Xiufeng HUANG ; Tongtong ZHENG
Chinese Journal of Laboratory Medicine 2003;0(11):-
Objective To found sensitive and reliable method to identify trophoblastic tumor cells in the peripheral blood of the patients suffered from gestational trophoblastic tumor.Methods Given numbers of JAR cell from ten to million were mixed into 10ml non pregnant peripheral blood as a model. Detection of ? hCG mRNA with fluorescence quantitative reverse transcription polymerase chain reaction (FQ RT PCR) and then estimation of the numbers of tumor cell in the blood. Nine cases of peripheral blood were collected from the pretreatment patients of gestational trophoblastic tumor to assay ? hCG mRNA with FQ RT PCR, then to estimate the numbers of tumor cell in the circulation blood. Results FQ RT PCR could detect ? hCG mRNA when ≥10 2 JAR cells were mixed into 10ml non pregnant peripheral blood. Four cases of bloods had been detected ? hCG mRNA expression in 9 cases of gestational trophoblastic tumor, and the numbers of tumor cell from 10 4 to 10 7 per 10ml blood. Conclusion FQ RT PCR of which primers and probe are designed for ? hCG had been proved to be very sensitive detection means, it could be used to detect gestational trophoblastic tumor cells from patient preipheral blood; With FQ RT PCR the tumor cells had been detected in some patients of gestational trophoblastic tumor.
6.Clinical significance of HLA-G in patients with gastric cancer
Danping XU ; Tongtong ZHANG ; Qing WANG ; Weiwu SHI ; Rui ZHENG ; Weihua YAN
Chinese Journal of Microbiology and Immunology 2016;36(7):487-493
Objective To investigate the clinical significance of CD14+HLA-G+ monocytes in pe-ripheral blood and the soluble form of HLA-G ( sHLA-G ) in plasma among patients with gastric cancer ( GC) . Methods Blood samples were collected from 135 patients with gastric cancer ( GC group) , 150 pa-tients with chronic gastritis ( CG group) and 80 healthy controls ( HC group) . Flow cytometry analysis and ELISA were used to detect the percentages of CD14+HLA-G+ monocytes in peripheral blood samples, the concentrations of sHLA-G in plasma samples and the levels of alpha fetoprotein (AFP), cacino-embryonic antigen ( CEA) , CA19-9 and CA125 in serum samples. Mann-Whitney U test was performed to analyze the differences between different groups. The feasibility of using CD14+HLA-G+ monocytes, sHLA-G, AFP, CEA, CA19-9 and CA125 as potential biomarkers to differentiate patients with GC from those with CG or healthy subjects was assessed by using receiver operating characteristic ( ROC ) curve analysis. Results The median percentages of CD14+HLA-G+ monocytes in subjects from GC, CG and HC groups were 18. 6% (12. 1%-26. 7%), 7. 3% (4. 2%-11. 0%) and 4. 6% (3. 6%-6. 3%), respectively. The percentages of CD14+HLA-G+monocytes in the peripheral blood of patients with GC were significantly higher than those in patients with CG and healthy subjects (P<0. 001). The concentrations of sHLA-G in plasma samples collected from patients with GC [(100. 6±61. 3) U/ml) were significantly higher than those in pa-tients with CG [(59.5±19. 9) U/ml) and healthy subjects [(45. 8±23. 3) U/ml] (P<0. 001). ROC curve analysis showed that in terms of GC diagnosis, the area under ROC curve ( AUC) , cutoff value, sensi-tivity and specificity for CD14+HLA-G+monocytes and sHLA-G in plasma were 0. 893 and 0. 720, 12% and 85 U/mL, 75. 8% and 50. 5%, 86. 7% and 95. 9% (P<0. 001), respectively, which indicated that CD14+HLA-G+ monocytes and sHLA-G were better than AFP, CEA, CA19-9 and CA125 in differentiating GC from CG and HC. Moreover, the multivariate logistic regression analysis revealed that the CD14+HLA-G+ monocytes, sHLA-G in plasma as well as CA19-9 and CA125 in serum were positively correlated with the risk of GC after excluding the differences caused by age and gender factors. Conclusion The levels of CD14+HLA-G+ monocytes in peripheral blood and sHLA-G in plasma increased dramatically in patients with gastric cancer, which suggested that CD14+HLA-G+monocytes and sHLA-G might be risk factors for GC and could be used as potential biomarkers for the diagnosis of GC.
7.Fetomaternal hemorrhage in RhD-negative pregnant women in Tianjin
Jinghui CHONG ; Tongtong LI ; Jinhui XIE ; Xian HUANG ; Zheng DONG
International Journal of Biomedical Engineering 2019;42(2):139-142
Objective To study and monitor the situation of femomaternal hemorrhage (FMH) in RhD-negative pregnant women in Tianjin, obtain the FMH data of such population, and analyze the relationship between FMH and age, blood type, gestational age, hemolytic disease of postpartum neonates, etc. Methods The FMH level was detected by flow cytometry with FITC-anti-HbF monoclonal antibody. The blood type was detected by blood serum method. The irregular antibody was identified by saline method and indirect anti-human ball method. The hemolysis of postpartum neonates was detected by three tests of hemolysis. Results The FMH volume of 86 RhD negative pregnant women was between 0 and 11.48 ml, with an average of 1.82 ml. There were 63.95%of pregnant women showed a volume of FMH<2.0 ml, 23.26%between 2 and 4 ml, 11.63%between 4.0 and 10.0 ml, and 1.16%>10 ml. The proportion of lower FMH in pregnant women≤30 years old was>11.71%higher than that in the pregnant women>30 years old, but the difference was no statistical significant. There was no significant difference in FMH of pregnant women with O, A, B and AB types. The proportion of higher FMH in pregnant women with compatible ABO blood type with her husband was 12.46% lower than that of the heterozygous cases, but the difference was no statistical significant. The proportion of higher FMH in the pregnant women with 28 to 32 weeks gestational age was 14.55% higher than that of ≤28 weeks and was 35.32% higher than that of >32 weeks, and the differences were statistical significant. Three samples in the 86 samples were positive for anti-D antibody, and their three hemolytic test results were strongly positive with the anti-D titer from 1:2 to 1:32 and the FMH volume from 1.50 to 6.93 ml. The proportion of lower FMH in the 10 pregnant women without postpartum hemolysis was 70% higher than that in 5 pregnant women with postpartum hemolysis, but the differences were not statistical significant. Conclusions The results suggest that monitoring FMH content by flow cytometry can reflect FMH in Rh-negative pregnant women. The studies on the relationship between FMH and age, blood type, pregnant time and hemolytic disease of postpartum neonates can provide basically experimental data for standard use of anti-D immunoglobulin in pregnant women.
8.Development strategy of medicine discipline in comprehensive university under the background of "Double First-Class" construction
Yuan CAO ; Chunhui ZHAO ; Yurong ZHENG ; Tongtong LI ; Jie ZHENG ; Hongbin HAN
Chinese Journal of Medical Science Research Management 2019;32(5):364-370
Objective To explore what kind of strategies should be adopted by the medical disciplines of comprehensive universities in China,taking into account and respect the particularity nature of medical science,inspiring innovative creation to build the First-Class disciplines.Methods Literature review and quantitative research were adopted in this paper.By reviewing published articles to better understand the special laws of medical disciplines and identify current development problems.Furthermore,the data from ESI,QS Ranking,and the Ministry of Education were collected to reveal problems and to propose strategies.Results The future development of Medicine disciplines possesses the characteristics of integration,technology dependence,heterogeneity,etc.In the new era of building world-class disciplines and first-class universities,compared with international first-class disciplines,peaks of medical disciplines in Chinese universities are still relatively scarce.The comprehensive university medical discipline should adhere to the principle of ‘connotative development’.In the process of construction,medical discipline should pay full attention to cross-integration,promote cross-disciplinary,adjust and optimize the former system.Strengthen the construction of new disciplines development to build medical disciplines with distinctive features.Optimize top-level design to foster disciplines peaks.Attach great importance to the construction of talents to build up high-level talent team with sustainable development ability.Emphasize on medical education to improve the quality of personnel training.Promote institutional innovation to activate the vitality of integration.Build an effective evaluation system to promote construction.Conclusions With the premise of fully respecting the special laws and characteristics,the medical discipline constructions of comprehensive universities should be guided by the future development model of medicine and clinical needs,and adhered to the ‘connotative development’.With the development of medical disciplines,the level of clinical diagnosis and treatment will be improved,the original innovation will be enhanced,as well as the social service capabilities of comprehensive universities,furthermore,the frontiers of scientific development and national strategic development needs will be effectively supported.
9.Elevation of Divalent Metal Transporter 1 Protein in the Cerebellar Cortex of the APP/PS1 Transgenic Mouse
Siqi WANG ; Xinlu LI ; Geng LIN ; Zhuo WANG ; Xiaofeng CHENG ; Tongtong LIU ; Wei ZHENG
Journal of China Medical University 2018;47(3):193-197
Objective To investigate the distribution of divalent metal transporter 1 (DMT1) in the cerebellum of APP/PS1 transgenic mouse. Methods Immunohistochemistry, immunofluorescence, and confocal laser scanning microscopy were used to analyze the relationship between DMTl and amyloid beta (Aβ) and their distribution in senile plaques. Western blotting was used to analyze DMT1 protein level in the APP/PS1 transgenic mouse cerebellum. Results DMTl and Aβ were mainly located in the amyloid plaques, which were predominately located in the molecular layer of the cerebellar cortex of the transgenic mouse. Only a few plaques could be seen in the Purkinje cell layer and granular layer. Confocal laser microscopy revealed the DMTl and Aβ were co-localized in senile plaques. Conclusion The abundant expression of DMTl protein suggests that DMTl and the divalent metal ions that it transports might be involved in the formation of Aβ senile plaques and other pathological processes in the cerebellum in Alzheimer' s disease.
10.Thoughts on breaking away from the " paper-centric" orientation and establishing a new evaluation model of scientific and technological innovation in academic universities
Zongfang ZHENG ; Tongtong LI ; Lifei TANG ; Yu XIAO ; Hongbin HAN
Chinese Journal of Medical Science Research Management 2020;33(6):401-405
Objective:To analyze the disadvantages of " paper-centric" in science and technology evaluation, explore how to establish a new evaluation model of scientific and technological innovation in academic universities in China on the premise of breaking the " paper-centric" orientation.Methods:Analyze problems and disadvantages of the " paper-centric" orientation in the evaluation of science and technology at academic universities in China, take account into the in-depth interpretation of key policies of breaking away from " paper-centric" in recent years, and finally make proposal for the establishment of evaluation system and mode of scientific and technological innovation in the future.Results:There are many pitfalls in the " paper-centric" orientation in the evaluation of science and technology in academic universities in China, thus, it is urgent to establish a new evaluation mode of scientific and technological innovation.Conclusions:Based on the current domestic and international context, academic universities in China should deploy the strategy of scientific and technological innovation in advance, break the " paper-centric" orientation, and establish a new evaluation system and mode of science and technology that proactively match the national strategy and the development requirement.