Objective To investigate the effects of probiotics on the occurrence of ovalbumin (OVA) induced food allergy and the regulatory effects on immune function of rat models. Methods Thirty female Brown-Norway rats aged 3 weeks were randomly divided into blank control group,food allergy group and probiotics intervention group(n=10).The levels of serum OVA-IgE and intestinal sIgA were measured by ELISA method.Splenic lymphocytes were isolated and cultured in vitro,and the Treg lymphocyte subgroups in the spleen were analyzed by flow eytometry.The levels of IFN-γ,IL-4 and IL-10 in the supernatant of cultured splenic lymphocytes were measured by ELISA method. Results The serum OVA-IgE level in food allergy group was significantly higher than that in blank control group(P<0.05),while that in probiotics intervention group was significantly lower than that in food allergy group(P<0.05).Compared with food allergy group and blank control group,the level of intestinal sIgA in probiotics intervention group was significantly higher(P<0.05).The percentage of CD4~+CD25~+T lymphoeytes in food allergy group was significantly lower than that in blank contml group(P0.05).The levels of IL-4 and IL-10 in food allergy group were significantly higher than those in blank control group(P<0.05).Probiotics intervention group had significantly lower levels of IL-4,IL-10 and IFN-γ than food allergy group(P<0.05).The ratio of IFN-γ/IL-4 in food allergy group was significantly lower than that in blank control group(P<0.05),while that in probiotics intervention group was significantly higher than that in food allergy group(P<0.05). Conclusion Probioties intervention could prevent the occurrence of food allergy in animal models by modulating the Th1/Th2 eytokine balance.

Objective　To compare the clinical efficiency of intracardiac procedures on traditional cardioplegic arrested-heart and on-pu mp beating-heart for congenital heart disease (CHD) with severe pulmonary hyper tension. Methods　Among all 153 cases, 95 cases underwent operat ions on cardioplegic arrested-heart, while 58 on-pump beating-heart. In arres ted-heart group, 79 cases with ventricular septal defect (VSD), 13 with atria l septal defect (ASD) and 3 with patent ductus arteriosus (PDA) were examined whi le in beating-heart group, 43 cases with VSD, 10 with ASD, and 5 with PDA were examined. Results　There were 12 cases of operative death (12.6%) and 8 of tracheotomy (8.4%) in heart arrested group. No operative death and tracheotomy in beating-heart group. 141 patients were followed up for 3 months to 10 year s with good recovery. There were 2 cases of right heart function failure six yea rs later in arrested-heart group. Conclusion　Results sugges t that on-pump beating-heart technique is superior to traditional cardiopl egic arrested-heart for CHD with severe pulmonary hypertesion. The cause might be t hat on-pump beating-heart intracardiac operation is more effective in cardio pulmon ary protection.

Objective To analysis long-term effects and safety of arsenic trioxide (ATO)-based induction and maintenance therapy in newly diagnosed acute promyelocytic leukemia (APL). Methods Retrospective analysis induction remission and post-remission treatment of 62 newly diagnosed APL patients was performed. These cases were followed up for 5 and 7 years. Results The complete remission (CR) rate was similar in ATO/all-trans retinoic acid (ATRA) induction group and ATRA/chemotherapy induction group.However, the former group has the shorter time to CR. The negative rate of PML-RARα fusion gene after induction without ATO was less than that of ATO group (86.2 % vs 56.3 %, P ＜0.05). After CR, the 5-year overall survival (OS) between ATO-base rotation maintenance group and chemotherapy-base rotation maintenance group showed that the former was (94.4±5.4) %, the latter is (45.5±10.2) %; 7-year OS was (52.5±23.7) % and (27.3±9.3) %; 5-year disease free survivals (DFS) was (94.7±5,5) % and (41.3±10.1) %; 7-year DFS was (52.6±23.7) % and (27.5±9.4) %. There was significant different in 5-year or 7-year OS and DFS between two groups (P ＜0.05). The relapse rates of the two groups in post-remission treatment were 14.7 % and 37.0 % (P ＜0.05). Conclusion ATO combined ATRA induction therapy increased the negative rate of PML-RARα fusion gene. ATO-base rotation maintenance improved long-term outcome and decreased the rate of relapse. Furthermore, ATO appeared to be generally safe and well tolerated.

Altitude ; Heart Rate ; Humans ; Oxygen ; Oxygen Consumption

Objective To investigate the clinical characteristics of the wounded in Wenchuan earthquake transported to our hospital and summarize therapeutic experiences. Methods Clinical data of 92 patients resulted from Wenchuan earthquake admitted into our hospital were reviewed and analyzed in aspects of general data,injury severity,therapeutic methods and clinical results. Results All pa-tients were free from infection,reamputation and fracture-related complication. Conclusion After the arrival of large number of the wounded in the station hospitals.efficient organization of station hospitals,comprehensive evaluation of the patients'condition,effective detailed therapeutic plans and careful man-agement of the medical complications can attain sound results.

BACKGROUND: It is necessary to establish a high throughput screening system for anti -inflammatory drugs for rheumatoid arthritis.OBJECTIVE: To construct an eukaryotic expression vector p4CCL20-ZsGreen1-DR with the NF-kB cis-acting element 4×CCL20motif as an enhancer, SV40 as a promoter, and ZsGreen1-DR as a reporter gene.METHODS: The target fragment SV40 was PCR amplified using PGL2-control plasmid as a template. KpnⅠ/Bam HⅠ restriction sites were introduced into the flank of the target fragment. Then, pSV40-ZsGreen1-DR vector was constructed by cloning the target fragment into pZsGreen1-DR plasmid. Finally, p4CCL20-ZsGreen1-DR plasmid was constructed by cloning the double strand DNA of 4×CCL20 motif (with BglⅡ and EcoRⅠ sticky ends at the 5’ and 3’ terminus, respectively) into the corresponding restriction sites of pSV40-ZsGreen1-DR vector (upstream of SV40 promoter).RESULTS AND CONCLUSION: DNA sequencing demonstrated successful construction of p4CCL20-ZsGreen1-DR plasmid.The construction of p4CCL20-ZsGreeR plasmid might be useful to establish a high throughput screening system for anti -inflammatory drugs.

Taking microneurosurgery approach and applied surgical anatomy training as the core and combining theoretical teaching and perioperative training as the main contents , training program achieved significant effect among specialty degree neurosurgery postgraduates. In order to further improve the quality of training, it is proposed to set up micro-neurosurgery training center and more complete train-ing system based on micro-neurosurgery contents thus to improve clinical ability of specialty degree neuro-surgery postgraduates.

[ABSTRACT]OBJECTIVETo observe the short term effects and adverse effects of induction chemotherapy with Paclitaxel,Cisplatin and Fluorouracil(TPF) in locally advanced squamous cell cancer of hypopharynx. METHODS78 cases locally advanced squamous-cell cancer of hypopharynx form jan 2011 to oct 2013 for the first time treated by TPF scheme,after 2 cycles,to recheck CT scan and evaluate therapeutic effective.RESULTSAll 78 cases patients achieved 156 cycles chemotherapy,CR was 4 cases (5.1%),PR 55 cases (70.5%),SD 17 cases (21.8%), PD 2 cases (2.6%). Total effective rate (CR+PR) was 75.6%,and with low incidence ofⅢ/Ⅳ grade side effect. Logistic regression analysis shows that there is a significant correlation between effective rate and low differentiation cancer.CONCLUSIONFor locally advanced squamous-cell cancer of hypopharynx patients,the TPF chemotherapy scheme showed good therapeutic effective and safety,could be a choice for the induction chemotherapy treatment in locally advanced squamouscell cancer of hypopharynx. The patients with low differentiation cancer may have benefit from the induction chemotherapy.

Objective To study the impact of Xingnaojing (XNJ) injection (a preparation of Chinese herb medicine) on the permeability of blood-brain barrier and Caveolin-1 in cortex of brain after global ischemia-reperfusion.Methods Modified Pulsinelli method for four-vessel occlusion was employed to establish the global ischemia reperfusion model in rats.Male Wistar rats were randomly (random number) divided into three groups,namely sham group,model group and XNJ group.Each group was observed at 24 h,48 h and 72 h after ischemia reperfusion.The water content of brain tissue was determined by dry/wet weight ratio,while the Evans blue (EB) concentration in brain tissue was detected by spectrophotometer.Western blot was used to detect caveolin-1 level in the cerebral cortex.Results The water contents of brain tissue in model group and XNJ group were significantly higher than that in sham group 24 hour after ischemia-reperfusion (P ＜ 0.05).But at 48 h and 72 h after ischemia-reperfusion,the brain water content in model group was significantly higher than that in XNJ group and sham group (P ＜ 0.05).The EB concentrations in brain tissue in model group and XNJ group were higher than that in sham group 24 h after ischemia-reperfusion (P ＜ 0.05).EB levels in sham group and XNJ group were significantly lower than that in model group 48 h and 72 h after ischemia-reperfusion (P ＜ 0.05).Caveolin-1 levels in cerebral cortex in sham group and XNJ group were significantly higher than that in model group 24 h,48 h and 72 h after ischemia-reperfusion (P ＜ 0.05).Conclusions After global ischemia-reperfusion,Xingnaojing (XNJ) injection could protect blood-brain barrier in virtue of regulating caveolin-1 protein level.

Objective To discuss the optimal timing of fixation for femoral shaft fractures with concomitant head injuries. MethodsEarly and delayed complications,mortality rate,interval of ICU and duration of hospital stay were compared among 137 patients with head injuries,so as to evaluate the curative effect of early fixation of femoral shaft fracture(n=56) and delayed fixation(n=81).Results Early fixation group enjoyed advantages in the interval of ICU,duration of hospital stay,associated shock and infection rate over the delayed fixation group(P