Objective To explore the effect of TBL based on evidence-based medicine PICOS model in practice teaching of neurology. Methods Totally 47 medical undergraduates in our department were chosen and randomly divided into 2 groups during March 2016 to April 2016. 24 students in the trial group were taught with TBL based on PICOS, while other 23 students in the control group were only taught with conventional TBL method. After three times clinical practices, the test referring to disease pathogenesis, clinical manifestations, auxiliary examinations, diagnosis and treatments of related diseases was performed, and meanwhile, questionnaires were distributed to students in order to survey their satisfaction degree of teaching methods. All the evaluation results and scores of two groups were compared. Statistical data were analyzed by using t-test or Chi-square test with SPSS 17.0 software. Results The score of the theoretical test of trial group was significantly superior to the control group [(89.08±3.60) vs. (79.09±7.75), t=5.707, P=0.03 ]. Survey showed that in the experimental group , the number of students in the trial group who thought teaching method could help understand clinical thinking of neurology and could help integrate the theory into clinical practicewas significantly higher than that in the control group (P<0.05). Conclusion In the clinical teaching of neurology, the TBL based on PICOS model is more effective than conventional TBL method for medical undergraduates.

Congresses as Topic ; Humans ; Otorhinolaryngologic Surgical Procedures

Objective To explore the role of eNOS and NF-?B in the cultured endothelial cells apoptosis induced by TNF-? and Ang II.Methods The cultured endothelial cells were treated with TNF-? and Ang II in absence and presence of PDTC(an inhibitor of NF-?B);the mRNA of eNOS was measured by RT-PCR,the protein of eNOS and I?B? were assessed by Western-blot,the activity of NF-?B was evaluated by EMSA,and the apoptosis of cells was detected with Tunel.Results The mRNA and protein of eNOS were significantly decreased in the endothelial cells induced by TNF-? and AngII(P

SHG was sulfated by chlorosulfonic acid-pyridine method, and six samples which we got were prepared in different reaction conditions. There is a characteristic absorption peak near 260 nm in UV spectra and there are two characteristic absorption peaks near 1240 cm(-1) and 810 cm(-1) in the FT-IR. Degree of sulfation (DS) was calculated by elemental analysis and turbidimetry. Under the same conditions the absorption peaks become strong with the DS increase. The anticoagulant activity of SHG and sulfated modification samples was evaluated by the classic coagulant assays of prothrombin time (PT), activated partial thrombin time (APTT) live enzymes, and plasma thrombin time (TT). Results show that sulfated SHG has a good anticoagulant activity in vitro, and DS increased activity within a certain range.

Object To explore the feasibility of breeding genetic modified (GM) medicine by expressing human cytokine in transgenic Chinese materia medica Methods Human interferon ? gene and RANTES gene available from the amplification in vitro were enzymatically excised, recoveried, and inserted into intermediate vectors The recombinants were identified by double enzyme digestion of EcoRⅠand HindⅢ The plasmids were extracted from Escherichia coli and introduced into A tumefaciens, and the transformants harboring binary vectors were screened by addition of antibiotics of kanamycin (Km) and rifampicin (Rif), and the explants of M charantia and P vulgaris were transformed by co cultivation of leaf disks with A tumefaciens strain Results RT PCR was applied to detect the transient expression of human interferon ? gene and RANTES gene in transformed medicinal herbal calli Conclusion The expression of recombinant human interferon ? gene and RANTES gene in transgenic M charantia and P vulgaris cells was firstly reported, which opens an alternative road to antivirus, especially anti AIDS virus, by using transgenic Chinese materia medica

Objective To investigate the clinical features and therapeutic strategies of one patient with meningioangiomatosis ( MA ) complicated with intracranial aneurysm formation. Methods The clinical data of one patient with aneurysm-formed MA admitted to the Department of Neurosurgery,the First Affiliated Hospital of Sun Yat-sen University was analyzed retrospectively. The patient received emergency craniotomy and middle cerebral artery aneurysm clipping and evacuation of intracranial hematoma. The meningeal tissue around the aneurysm was taken for pathological examination. Results Microscopy revealed meningeal thickening in the patient with MA accompanied with intracranial aneurysm. Spindle cells around the meninges and perivascular tissue of cortical hyperplasia formed an annular and fence-like structure. The results of immunohistochemistry showed the hyperplastic vessels and perivascular fibroblast like spindle cells diffuse vimentin-positive;the hyperplastic vascular endothelial cells CD99,CD34 were positive;and the residual glial cells in the lesions showed glial fibrillary acidic protein positive. Conclusion MA complicated with intracranial aneurysm is rare. The vascular condition is poor. The shape of aneurysm is irregular,and the risk of bleeding is high. Excise the involved meningeal tissue and clip the aneurysm with microsurgical operation is the resonable treatment.

Objective A retrospective analysis were conducted to identify the effect of bypassing the emergency department on 30-days outcomes of patients with acute myocardial infarction undergone primary percutaneous coronary intervention ( PPCI) . Methods From June 2014 to April 2015, 187 patients underwent PPCI in Kunming General Hospital were included. 13 patients were excluded owing to their incomplete follow-up data. The total 174 patients were divided into two groups: the control group (n =59) who did not bypass the emergency department, and the bypass group ( n = 115) who bypassed the emergency department and directly received PPCI. The data of all patients were collected and analyzed. Results There were no significant differences in baseline characteristics and PPCI related data (including percentage of thrombus aspiration catheter used, length or diameter of stents applied between two groups (all P ﹥ 0. 05) . The bypass group had shorter door-to-ballon ( D2B) than the control group [ (67. 7 ± 21. 5) min vs. (89. 4 ± 23. 6) min, P ﹤ 0. 001] . There were no significant differences in 30-days all-cause mortality, re-myocardial infacrtion and target ressel revascularization (TVR) between the two groups (P ﹥ 0. 05) . Total MACEs rate in the bypass group was lower than in the control group (10. 2% vs. 1. 7% , P = 0. 012) . Logistic regression analysis showed that age, diabetes, pain-to-door (PTD) time and CK peak value were the main influencing factors for 30-day MACEs rate of patients receiving PPCI ( P ﹤0. 05) . Conclusions Bypassing the emergency department can shorten D2B time and reduce 30-days MACEs post-PPCI, but reducing the total ischemic time will be more beneficial to patients with acute myocardial infarction.

OBJECTIVE:To investigate the present situation of adverse drug reaction(ADR)reporting entities in Jiangsu prov-ince and Guangdong province,and provide reference for the improvement of ADR monitoring. METHODS:With the overview of ADR monitoring at home and abroad by reading literatures,the ADR reporting entities(drug manufacturers,drug distributors and medical institutions) in Jiangsu province and Guangdong province were selected as objects for cluster sampling by questionnaires, and descriptive statistical analysis and other methods were adopted to process and analyze the results. RESULTS:There were totally 205 effective questionnaires. In Jiangsu province and Guangdong province,67 and 60 of the surveyed ADR reporting entities had specialized ADR monitoring departments,98.1% and 99.0% had equipped with specialized personnel for ADR work;ADR moni-toring mostly belonged to quality management department in drug manufacturers and distributors,and pharmacy department in medi-cal institutions;most entities were equipped with computers,printers,copiers and other basic office equipments;but most entities’ responsibilities were not clear enough;27 and 15 entities had specialized budget for ADR monitoring;97.2% and 96.9% had com-munication with ADR ,monitoring center,but the feedback information was unsatisfactory;85.0% and 86.7% had related training for personnel;establishing standard operating procedures of the system construction was relatively good,the other related system construction was still not ideal;91.6% and 90.8% would report ADR immediately after discovery,92.5% and 97.9% would back-up recording the ADR,mainly by internet reporting;the average scores in terms of job satisfaction in Jiangsu province were higher than Guangdong province. CONCLUSIONS:According to the results,it is suggested to improve the system construction of ADR monitoring,optimize working conditions,ensure financial support of ADR monitoring,and strengthen work communication and system construction and other measures to promote conduct of ADR monitoring.

Objective To evaluate the effects and mechanisms of bovine lactoferrin(bLF)on cell viability,proliferation,and the protective roles in intestinal epithelial cell-6(IEC-6)treated by lipopolysaccharide(LPS).Methods The rat jejunum epithelial cell lines IEC-6 were cultured in vitro.The effects of bLF on cell viability and proliferation in IEC-6 cells were detected by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide(MTT)assay and 5-Bromo-deoxyuridine(Brdu)assay,respectively.Inflammatory cytokines and their mRNA of interleukin-1β(IL-1β),interleukin-6(IL-6),tumor necrosis factor-α(TNF-α)and interleukin-8(IL-8)were analyzed by real-time PCR and enzyme-linked immunosorbent assay(ELISA).Western blot was used to measure the levels of mitogen-activated protein kinase(MAPK)activation and nuclear factor kappa β(NF-κB)nuclear translocation.Results Dose dependent effects of bLF on cell viability and proliferation were observed in IEC-6 cells in vitro(F=3.825,5.861,all P<0.05),especially in a dose of 100 mg/L,and bLF significantly stimulated cell viability and proliferation compared with non-treatment group(q=5.240,3.765,all P<0.05).The mRNA levels of IL-1β,IL-6 and TNF-α were decreased by co-stimulation of bLF and LPS compared with the LPS treatments alone in IEC-6 cells in vitro(q=14.28,10.12,16.45,all P<0.001).The secretion of IL-6 and TNF-α was also decreased by co-stimulation of bLF and LPS(q=15.06,6.74,all P<0.01).In vitro,bLF treatment at dose of 100 mg/L could inhibit the activation of MAPK/NF-κB signal pathway induced by LPS(q=12.96,18.54,all P<0.001).Conclusion In vitro,bLF can promote IEC-6 viability and proliferation,and have anti-inflammatory effects via inhibited activation of MAPK/NF-κB nuclear translocation.

This is to report the study of degradation of earthworm extracts prepared by wet superfine grinding in simulated gastrointestinal environment. Enzymatic reactions were terminated by adjusting the solution pH or using membrane bioreactor principle. Earthworm protein concentration change was detected by Bradford method, the degraded state of protein was described with SDS-PAGE technology, and the degraded state of small molecule substances was detected by HPLC. The results showed that earthworm protein degraded completely in artificial gastric juice. High molecular weight protein degraded greatly in artificial intestinal fluid, while low molecular weight protein was not significantly degraded. Small molecular substances degradation did not degrade in artificial gastric juice, while they degraded obviously in artificial intestinal fluid, there is even new small molecule substance appeared. Finally it is concluded that the substance that having therapeutic effects in vivo may be some degraded peptide, amino acid and stable small molecules existed in artificial intestinal fluid.