Objective:To investigate the effect of Ginkgo leaf extract and dipyridamole injection on serum tumor necrosis factor-α, procalcitonin, lipopolysaccharide and 28-day mortality in patients with sepsis.Methods:Ninety patients with sepsis who received treatment in Ningbo Yinzhou People's Hospital from February 2018 to February 2019 were included in this study. They were randomly assigned to receive routine treatment (control group, n = 45) or Ginkgo leaf extract and dipyridamole injection treatment combined with routine treatment (treatment group, n = 45). Clinical efficacy, preoperative and postoperative Acute Physiology and Chronic Health Evaluation II score, Sequential Organ Failure Assessment score, serum tumor necrosis factor-α, procalcitonin, bacterial lipopolysaccharide levels as well as 28-day mortality were compared between the control and treatment groups. Results:There was significant difference in total effective rate between the treatment and control groups [91.11% (41/45) vs. 75.56% (34/45), χ 2 = 6.690, P = 0.039]. After treatment, Acute Physiology and Chronic Health Evaluation II score and Sequential Organ Failure Assessment score in the treatment group were (15.93 ± 1.01) points and (6.25 ± 1.83) points, respectively, which were significantly lower than those in the control group [(18.62 ± 1.75) points, (8.54 ± 2.19) points, t = 8.931, 5.383, all P < 0.001]. After treatment, serum tumor necrosis factor-α, procalcitonin and lipopolysaccharide levels in the treatment group were (43.62 ± 3.39) ng/L, (1.46 ± 0.79) μg/L, (23.62 ± 7.19) ng/L, respectively, which were significantly lower than those in the control group [(56.28 ± 4.54) ng/L, (2.12 ± 1.03) ng/L, (33.75 ± 8.67) ng/L, t = 14.989, 3.411, 6.033, P < 0.001, P = 0.001, P < 0.001]. The 28-day mortality in the treatment group was significantly lower than that in the control group [6.67%(3/45) vs. 22.22%(10/45), χ 2 = 8.160, P = 0.017]. Conclusion:Based on routine treatment, Ginkgo leaf extract and dipyridamole injection can improve the clinical symptoms of patients with sepsis, reduce inflammatory reaction and decrease mortality.

Objective To investigate the relationship between TNF-α, IFN-γand intestinal muco-sal permeability in a mouse colitis model and its inhibiting effect by balsalazide. Methods Forty-five C57BL/6J mice were divided randomly into five groups. Normal group was only fed with distilled water, DSS group and balsalazide groups at doses of 42, 141,423 mg/kg were both fed with 5% DSS. Balsalazide was given by intragastric administration. At the end of the experiment, colon tissue was collected for assessment of histological index(HI) and the MPO activity. Small intestinal mucosa was collected for assessment of the content of TNF-α and IFN-γ,transmission electron microscope(TEM), and detection of permeability by Ev-arts blue method. Results Compared with normal group, DSS group mice all manifested severe weight loss associated with hematocbezia and diarrhea, HI score, and the colon MPO activity and the content of TNF-α and IFN-γ were increased significantly. Intestinal mucosa showed a thinning of microvillous carpet, with de-curtated and broaden junctional complex and enlarged intercollutar space under TEM observations. The amount of Evans blue permeated into intestinal wall was obvious. Compared with DSS group, the HI score, the MPO activity and the content of TNF-α and IFN-γ were decreased by balsalazide. The amount of Evans blue permeated into intestinal wall was less. Ileal microvillous carpet was ameliorated dose dependently by balsalazide. Conclusion In DSS-induced colitis model, the change of the content of the TNF-α and IFN-γ, was accordance with the increase of intestinal mucosal permeability while balsalazide can significantly amelio-rate intestinal mucosal permeability by its anti-colitis effect.

Aim To investigate the effect of salidroside on the phenotypic expression of osteoblast and the possible molecular mechanism in hypoxia environment.Methods MTT, Annexin V/PI double staining, alkaline phosphatase(ALP) activity assay and enzyme-linked immnosorbent assay(ELISA) were performed respectively to detect the effect of salidroside on regulating phenotypic expression of MG-63 cells exposed to hypoxia.Then RT-PCR and Western blot were conducted to detect the expression levels of Osterix and Runx2 which were related to differentiation.At last, we investigated the expression levels of components of the HIF-1α pathway by RT-PCR,Western blot and ELISA, respectively.Immunofluorescence confocal microscope technology and luciferase reporter assay were performed to explore nuclear translocation and transcriptional activity of HIF-1α.Results Salidroside could markedly promote MG-63 cell proliferation, inhibit hypoxia-induced apoptosis, stimulate cell differentiation and promote expression levels of components of the HIF-1α pathway in hypoxia environment.Conclusion Salidroside could regulate phenotypic expression of MG-63 cells through HIF-1α/VEGF signaling pathway in hypoxia environment.

Objective:To conduct an empirical study on the life attitude of medical students in one medical university in Wenzhou, and further strengthen the life education, to put forward some relevant suggestions for the prevention of recessive suicide and the cultivation of good life attitude of medical students. Methods: A stratified random sampling method was adopted to conduct the quantitative analysis to the survey results. Results: Most of medical students held positive attitudes to life, but some medical students still held negative attitudes to life (28. 6％), and had poor ability to master life common sense and skills (28. 6％). Medical students had weak ability to resist pressure, and academic stress was their major source of stress (27％) . Students easy to despise life, with the suicidal thought or behavior had a higher proportion (25. 8％). Different gender, grade, whether be single parent and economic level had significant significance for medical students to have suicidal thoughts or behaviors. Conclusion:By carrying out the belief education, survival education, setback education, love and care education and death education, it should cultivate the positive outlook on life of the medical students, so as to deliver qualified medical talents for the construction of "Healthy China".

OBJECTIVE:To provide reference for improving therapeutic efficacy of methadone hydrochloride in maintenance treatment for drug addicts.METHODS:A questionnaire survey was conducted among drug addicts from outpatient department of drug maintenance treatment in 2 hospitals of Zhongshan City about their situation and demands.The data were statistically analyzed.RESULTS:A total of 101 questionnaires were distributed,and 88 effective questionnaires were recovered with effective recovery of 87.13％.64.77％ of the respondents had abused one or more drugs (narcotics) in the last year except for methadone hydrochloride;among them,the frequency of heroin abuse was the highest,which is 31.31％,followed by Qutong tablet,valium,meth,tramadol,etc.72.73％ of the respondents said they could stick to methadone hydrochloride maintenance treatment completely.The dosage of methadone was relatively dispersed,and the average dosage was 75.80 mL/time;the proportion of 71-80 mL/time was high,accounting for 26.14％.The average score of respondents' family support was (6.22 ± 1.88) and the average score of social support was(32.73 ± 6.94).The proportions of general,poor and very poor economic condition were 52.27％,22.73％,14.77％,respectively.The main demand of the top 5 respondents were to eliminate social discrimination (38.64％),employment (35.23％),psychological emotional support (35.23％),to reduce methadone hydrochloride dose (32.95％),assisting to reduce relapse (28.41％),respectively.CONCLUSIONS:The majority of the addicts who receive methadone hydrochloride maintenance treatment are male and middle-aged and young,their relative economic status is poor,and their family care and social support are unsatisfactory.The vast majority of them can adhere to methadone hydrochloride maintenance treatment completely or basically,most of which still abuse other drugs (narcotics) and have many demands.It is necessary to connect "biological-psychological-social" mode of medical treatment through social work intervention service mode,and conduct comprehensive intervention in order to better meet the relevant requirements and improve therapeutic efficacy of methadone hydrochloride maintenance treatment.