1.Heat shock protein 110 improves the immunological effect of an altered peptide ligand of human papilloma virus type 16 E711-20 peptide
Yunsheng XU ; Rongying OU ; Xueqi ZHANG ; Zhiming LI ; Bingxu LI
Chinese Journal of Dermatology 2012;45(4):266-269
ObjectiveTo investigate the adjuvant effect of heatshock protein 110(HSP110) on the immune responses induced by an altered peptide ligand of human papilloma virus type 16 E711-20 peptide (HPV16E711-20).Methods The complex of HSP110 and an altered peptide ligand of HPV16E711-20 was constructed in vitro.Fifteen 6-week-old C57BL/6 female mice were randonly and equally divided into 3 groups,including complex group,ligand group,and phosphate buffered solution (PBS) group,to receive intraperitoneal immunization with the complex (100 μg),peptide (10 μg),and PBS (100 μl) respectively.Immunization was carried out with an interval of 2 weeks for 2 times.Two weeks after the last immunization,the mice were sacrificed followed by the isolation of splenocytes.MTT assay was performed to evaluate the proliferation activity of splenocytes,intracellular staining for interferon(INF)-γ to detect cytotoxic T lymphocytes (CTLs),standard chromium-51 (51Cr) release assay to estimate the lethal effect of specific CTLs on target cells.Statistical analysis was performed by using t test with SPSS 10.0 software.Differences were considered as statistically significant when the P value was less than 0.05.ResultsA significant increase was observed in the proliferation index ( 1.87 ± 0.122 vs.0.32 ± 0.071,t =4.01,P < 0.01 ) of,and percentage of CD8+IFN-γ+ T lymphocytes(3.9% vs.0.4%,t =3.88,P < 0.01 ) among splenocytes from the complex group compared with the ligand group.At the effector-to-target ratio of 100 ∶ 1,50 ∶ 1,25∶ 1 and 12.5 ∶ 1,the death rate of target cells was 54.7%,72.2%,61.5% and 39.8% respectively after incubation with CTLs from the compleximmunized mice,higher than that from the ligand-immunized mice (35.2%,49.3%,28.1%,17.4%,respectively).ConclusionHSP110 could enhance the immunological effect of the altered peptide ligand of HPV16E711-20,and can serve as an immunological adjuvant.
2.Effect of Comprehensive Rehabilitation on Chronic Schizophrenic Inpatients
Xiaocai ZHANG ; Rongying SUN ; Huiling HUANG ; Lijuan FU
Chinese Journal of Rehabilitation Theory and Practice 2010;16(5):478-479
ObjectiveTo observe the effect of comprehensive rehabilitation on chronic schizophrenic inpatients. Methods200 chronic schizophrenics were divided into study group and control group, BPRS and IPROS were used in evaluation before and 3-week after training. ResultsThe scores of both BPRS and IPROS in study group significantly improved (P<0.01) after rehabilitation; only the score of BPRS in control group improved (P<0.05) in control group. ConclusionComprehensive rehabilitation can improve the social function in patients with chronic schizophrenia.
3.Sec-10 Knockout Increases The Neuroactive-drug Responses Without Affecting Function of The Postsynaptic Ionotropic Receptors in Neuromuscular Junctions
Lei ZHANG ; Jiangli LI ; Shangbang GAO ; Zhengxing WU ; Rongying ZHANG ; Tao XU
Progress in Biochemistry and Biophysics 2009;36(4):410-416
Exocyst complex is known to function in the exocytosis network, however, the molecular mechanism is unclear yet. Using UV/trimethylpsoralen mutagenesis, the sec-10 (one component of the exocyst complex) knockout mutant of C. elegans was obtained for the first time. The drug sensitive assays revealed clearly that the sec-10 gene affected the neural signal transmission, however, the electrophysiological assay showed the function of the ionotropic receptors in the neuromuscular junctions (NMJs) were unaltered compared with the wild type (WT). Thus it was assumed that the sec-10 gene might not influence the known ionotropic receptors in the NMJs, but some other pathways instead.
4.Incidence Rate of Overexpressing AmpC ?Lactamases in Cefoxitin-resistant Gram-negative Bacillus and Study on Drug-resistance and Genotype of Plasmid-mediated AmpC ?-Lactamases
Fuying FENG ; Wangping HU ; Xiangyue YANG ; Yabin ZHANG ; Xinlan HU ; Rongying GUO
Chinese Journal of Nosocomiology 2006;0(06):-
87%. CONCLUSIONS The surveillance of overexpressing AmpC ?-lactamases in cefoxitin-resistant Gram-negative bacillus must be enhanced.The therapy of infections caused by related bacillus should make imipenem and meropenem a chief choice.DHA-1,CMY-2 and CMY-22 AmpC enzymes are found in Fuzhou.
5.Intervension effects of doxazosin and its enantiomers on myocardial injury and cell cycle changes of rabbits fed with high fat diet
Xuebin CAO ; Rongying WANG ; Mei YANG ; Gang ZHANG ; Yingkai CUI ; Leiming REN
Medical Journal of Chinese People's Liberation Army 1981;0(06):-
Objective To investigate the effects of (?)doxazosin [(?)DOX] and its enantiomers on the myocardial morphology,cell cycle and cell apoptosis in rabbits fed with high fat diet. Methods Male New Zealand white rabbits were fed with high fat diet for 4 weeks. Forty such rabbits with hyperlipemia were then divided into atherogenic diet group (model),model + (-)doxazosin [(-)DOX] group,model + (+)doxazosin [(+)DOX] group and model + (?)DOX group (10 each). Another 10 rabbits were included as normal control group. In those drug-treated groups,1.0mg/kg of doxazosin or its enantiomers were intraperitoneally administered for 9 weeks; rabbits in normal control group and atherogenic diet group were given sterile distilled water. Percentages of myocardial cells in G0/G1 phase and in S phase,proliferation index (PI) and apoptotic rate of myocardial cells were compared among the groups,and the effects of doxazosin and its enantiomers were evaluated. Results Of the animals in atherogenic diet group,the proportion of myocardial cells in G0/G1 phase increased significantly (P0.05). No histomorphological alterations were observed in myocardial cells of the rabbits in normal control group. Pathological changes in myocardial cells were observed in the rabbits of atherogenic diet group,such as vacuolar degeneration,fatty degeneration,focal myocardial necrosis,myocardial fibrosis and focal lymphocyte infiltration. The pathological changes in myocardial cells were significantly ameliorated in the animals in (-)DOX and (?)DOX group,but aggravated in the rabbits of (+)DOX group. Conclusions A long term treatment with (-)DOX in the rabbits may improve the histopathological changes in myocardial cells caused by high fat diet. (-)DOX and (+)DOX may have a optical selective effect.
6.Persistent effects of adverse childhood experiences on the course of pubertal development
YU Hejun, ZHANG Yanzhen, ZHOU Bo, WANG Meifen, WANG Dan, WU Lanyan, YAO Rongying
Chinese Journal of School Health 2021;42(3):417-421
Objective:
To explore the influence of adverse childhood experiences (ACEs) on pubertal development of boys and girls and to provide a reference for the development of intervention measures.
Methods:
A stratified cluster sampling method was used to select a total of 1 156 students in grades three and four in the boarding school system and public primary schools in Huangshan City and surrounding towns in September 2018, using the Childhood Trauma Questionnaire (CTQ) and the Pubertal Development Scale (PDS). For the baseline self-assessment survey, according to different dimensions, abuse children score no exposure groups. Children were divided into an exposure group and a high exposure level group, according to their childhood experiences. PDS self-report questionnaire was administered two years later, and an analysis of ACE type and severity of the continuous impact of youth development was conducted.
Results:
In the baseline survey, there were 53 girls (11.32%) and 51 boys (7.41%) who developed earlier. The rate of early development in girls was higher than that of boys, and the difference was statistically significant(χ 2=5.21, P<0.05). Univariate analysis showed gender differences in the effects of type and severity of ACEs and abuse on adolescent development at both baseline and follow-up. There were gender differences in the rate of early development between boys and girls at baseline and at follow-up between the exposure groups. Regression analysis showed that the higher the degree of emotional abuse, emotional neglect, and sexual abuse in girls, the higher the PDS score(B=0.22, 0.15, 0.08, P<0.05). In boys, the more severe the emotional abuse experienced, the higher the PDS score, and the more severe the physical abuse experienced, the lower the PDS score(B=0.20, 0.04, P<0.05).
Conclusion
Attention should be paid to the influence of ACEs and gender differences during youth development among male and female students, and more longterm studies should also be carried out.
7.Current status and training requirement of rural doctors in Hebei Province
Jinjia ZHANG ; Min ZHANG ; Huifang ZHAO ; Yali ZHANG ; Yanjie SUN ; Xiaoying XING ; Rongying WANG
Chinese Journal of General Practitioners 2019;18(1):42-46
Objective To survey the current status and training requirement of rural doctors in Hebei province.Methods A questionnaire survey was conducted among1 200 rural doctors selected from 11 cities of Hebei province by stratified sampling from October to December 2017.The self-designed questionnaire included general condition,job satisfaction,impact of medical reform policies,training needs of rural doctors.Results A total of 1 200 questionnaires were distributed and 1 170 valid ones were retrieved with a recovery rate of 97.5%.Among the 1 170 responders,there were 726 males(62.1%) and 444 females (37.9%);748 (63.9%) were aged more than 40 years;612 (52.3%) hold secondary school degree;826 (70.6%) had been working in the village for more than 10 years,and the overall job satisfaction rate was 30.8% (360/1 170).Among all responders,73.8% (864/1 170) worked in the standardized village clinics,and 72.0% (842/1 170) were contracted with local residents as family doctors;52.8% (618/1 170) responders believed that the reform policy improved the health care for villagers.In all responders,98% (1 147/1 170)thought they needed training,93.6% (1 095/1 170) had received training.The training contents they most needed werethe management of common diseases (904,77.3%),followed by medical humanities(650,55.6%)and first aid knowledge (492,42.1%).The influencing factors for training were lack of time,no energy (656,54.3%),lack of appropriate training forms (510,43.6%),economic reasons (476,40.3%) and so on.Conclusion The working status of rural doctors need to befurther improvedand the training need to be strengthened to increase their job satisfaction.
8.Survey on the status quo and training needs of general practitioner job-transfer training program in Hebei Province
Yali ZHANG ; Jinjia ZHANG ; Min ZHANG ; Xiaoying XING ; Mengmeng SUN ; Rongying WANG
Chinese Journal of General Practitioners 2021;20(10):1053-1058
Objective:To investigate the status quo and training needs of general practitioner (GP) job-transfer training program in Hebei Province.Methods:An online survey with self-designed questionnaire was conducted on May 2019 through WeChat among 165 trainees in the General Practice Training Center of Hebei Province. A total of 165 questionnaires were distributed and 149 were valid with an effective rate of 90.3%. The contents of the questionnaire included the basic information of the trainees, the evaluation of the current training, and the needs of the GPs′ job-transfer training.Results:Among 149 participants, there were 131 (87.9%)from the secondary hospitals or above, 146(98.0%)with bachelor′s degree or above, and 128 (85.9%)with intermediate or above professional titles. The survey showed that 72.0%(67/93)thought the main reasons affecting participation in the training were busy work load and insufficient personnel, the main problems of training were too short training duration(45.2%, 42/93), the not focused training contents(38.7%, 36/93) and lack of practice(37.6%, 35/93). In the 149 trainees, 136(91.3%) thought that the most important contents should be standardized diagnosis and treatment of common diseases; 104(69.8%), 118(79.2%), 115(77.2%) and 98(65.8%) considered that the knowledge of prevention and health-protection, first aid, latest progress and chronic disease management were needed for training; 110(73.8%)and 80(53.7%)thought the mastery of clinical practice and basic theory were needed. And 57.7% (86/149)of the trainees believed that research training was needed, and there was significant difference in the demand for research training among participants from different work units and with different professional titles (χ 2=15.371,10.625,all P<0.05). The accepted training methods were case study(53.7%, 81/149) and practical work(37.6%, 56/149). For training duration, 43.6% (65/149) thought it should not exceed 6 months and 56.4% (84/149) preferred more than 1 year; there was a significant difference in demanded training duration among trainees from different work units, with different education background and professional titles (χ 2=16.225,6.243,25.966, all P<0.05). Conclusion:We need a multi-channel and multi-level training model to establish a better job-transfer training system for general practitioners, in order to meet different training needs and to improve the effectiveness of the training.
9.Application of organ system-based teaching in general practitioner job-transfer training
Yali ZHANG ; Yingwu AN ; Jinjia ZHANG ; Meiyu LIU ; Xiaoying XING ; Rongying WANG
Chinese Journal of General Practitioners 2020;19(11):1067-1069
The organ system-based teaching model integrates the morphology and function of various organ and system of human body, breaks the boundaries of disciplines, and avoids the duplication and disjunction between disciplines. With this model general practitioners can effectively and efficiently learn basic knowledge and clinical skills in the training. This article introduces the organ system-based teaching model and its application in general practice job-transfer training in China.
10.Effect of curriculum on awareness and attitude of rural-oriented program in medical students
Zongqiang SHI ; Rongying WANG ; Jinjia ZHANG ; Xiaowei WANG ; Yali ZHANG ; Wenwen ZHAO
Chinese Journal of General Practitioners 2023;22(7):704-709
Objective:To investigate the effect of curriculum on the awareness and attitude on the rural-oriented medical education among medical students.Methods:The grade 2019 and 2020 medical students of rural-oriented program in Hebei Medical University were enrolled. Two different curricula were adopted in the first year, for students of grade 2020 more courses in general medicine, humanities and social sciences were added, and not for those of grade 2019. A questionnaire survey was conducted at the end of their first academic year. The questionnaire contained the basic information of students, opinions and satisfaction with curriculum design, understanding of policies about rural-oriented medical education, and the sense of career identity; each item in the questionnaire was scored by 5-point Likert scale.Results:A total of 173 questionnaires were distributed and 161 valid questionnaires were recovered, with a recovery rate of 93.1%; there were 55 responders (15 males and 40 females) from grade 2019, and 106 from grade 2020 (52 males and 54 females). The main reasons for choosing rural-oriented program were job security (60.0% (33/55) in 2019 and 58.5% (62/106) in 2020), the main way to know the relevant policies of the program was through the internet (54.5% (30/55) in 2019 and 66.0% (70/106) in 2020); 34.5% (19/55) of grade 2019 students were willing to continue working in rural areas after contracted period of service, while the percentage was 47.2% (50/106) for grade 2020. Students in grade 2020 had a higher satisfaction scores on the content and quality of teaching courses, as well as teaching satisfaction compared to those in grade 2019( t=2.34 and 3.00, P<0.05). The awareness of relevant policies before enrollment and policies related to contract violations among grade 2020 students was higher than that of grade 2019( t=2.70 and 5.08, P<0.05); the scores of all questions about general practice answered by students in grade 2020 were higher than those in grade 2019( t=3.96, 3.37, 3.55, 2.85, 3.84, 5.26 and 5.10,all P<0.05). There were no statistically significant differences in the scores of cognitive, emotional, behavioral, and adaptive aspects of career identity between students of two grades( t=0.70, 0.78, 0.74 and 1.37,all P>0.05). Conclusions:The reformed curriculum has positive effect on the satisfaction and awareness of rural-oriented medical education program and relevant policies among medical students in the program; however, it has less effect on the sense of career identity and willingness to continue to work in rural areas after the contracted period of serve.