Objective To observe the effect of Minocycline on RP process of retinal pigmentarydegeneration rd mice[C3H/HeN(Pde6brd-/rd-)]. Methods 40 rd mice were divided into ten groupsrandomly:5 experimental groups and 5 control groups,4 rd mice in each group.The experimental groupreceived intraperitoneal injection of minocycline 22.5mg/kg while the control group received saline 10ml/k2 every day from the posmatal day 1(P1).Mice were sacrificed at P1,P7,P14,P21 and P28respectively.Eyeballs were enucleated to carry out histology observation and apoptosis cell detection.Meanwhile,to statistically analyze the number of retinal photoreceptor cells,the thickness of outer nuclearlayer(ONL)and the number of apoptosis cells. Results (1)Photoreceptor cell began to apoptosis onP7,peaked on P14,and totally disappeared on P28.(2)No statistically significant differences were foundof the number of photoreceptor cells and the thickness of ONL on P7 between the experimental group andthe control group.(3)The number of photoreceptor cells and the thickness of ONL in the experimentalwere more than that in the control group at P14,P21,P28 respectively,the differences are statisticallysignificant(P＜0.05).(4)The apoptotic cells on ONL were less in the experimental group than that in thecontrol group on P7 and P14 respectively,the difference are statistically significant(P＜0.05).Conclusions Minocycline appears to protect photoreceptor cell from apoptosis in the early stage of theretinal degeneration mice,but it may not completely prevent RP from occurrence.

Objective:To study the effect of naoxintong capsules combined with nerve growth factor on the serum levels of interleukin-6 (IL-6),matrix metalloproteinase-9 (MMP-9) and S100B of patients with hypertensive intracerebral hemorrhage.Methods:88 patients with hypertensive intracerebral hemorrhage who were treated in our hospital from August 2015 to July 2016 were selected and randomly divided into the observation group and the control group The patients in the control group were treated with nerve growth factor,while the patients in the observation group were treated with naoxintong capsules combined with nerve growth factor.Then the clinical efficacy,GCS,GOS score,serum levels ofIL-6,MMP-9 and S100B were observed and compared between the two groups.Results:After treatment,the total effective rate in the observation group was significantly higher than that the control group (P＜0.05).After treatment,the GCS and GOS scores of the two groups were significantly higher than before,and the GCS and GOS of the observation group were higher than those of the control group (P＜0.05).After treatment,the serum levels of IL-6,MMP-9 and S100B in the two groups were significantly lower than before,and the observation group were lower than those of the control group (P＜0.05).There was adverse reactions in the two groups.Conclusion:Naoxintong capsule combined with nerve growth factor can reduce the serum levels of IL-6,MMP-9 and S100B in patients with hypertensive intracerebral hemorrhage,with obvious clinical curative effect and high safety.

Adult ; Cough ; etiology ; Female ; Humans ; Larynx ; Pharyngitis ; complications ; parasitology ; Pharynx ; Pruritus ; etiology

Objective To establish a benign esophageal stricture model and observe the effect of 32P radioactive isotopes on benign esophageal stricture scarring with intracavitary irradiation so as to provide experimental evidence for inhibiting scar hyperplasia and preventing esophageal restenosis after endoscopic dilation for benign esophageal stricture.Methods Benign esophageal stricture models were established in 18 healthy adult rabbits by annular incision and anastomosis.Then the rabbits were randomly divided into control group,hormone group and irradiation group,with six rabbits in each group.On day 2 after surgery,we measured inner diameter of the anastomotic stoma;then the control group received saline intervention,the hormone group was given dexamethasone,and the irradiation group was given 32P radioactive isotopes.The rabbits were observed for two weeks for their general condition and weight.After the intervention,we measured inner diameter of the anastomotic stoma.Liver functions (ALT and AST) were tested again before modeling and after intervention.Then the rabbits were put to death and had tissue in the esophageal stricture area removed for pathological examination and esophageal HE staining.We determined hydroxyproline (HYP) content of esophageal tissue around the anastomotic stoma.Restlts Benign esophageal stricture model was established successfully.After 2 weeks,the rabbits' appetite was obviously diminished in control group and relatively poor in hormone group;obviously improved in irradiation group.The rabbits' weight increased in radiation group compared with the other two groups (P＜0.05).The esophageal inner diameter in irradiation group widened obviously compared with the other two groups (P ＜ 0.05).In irradiation group,the number of fibroblasts decreased obviously,collagen fiber and granulation tissue were not obvious;HYP content was lower than that in the other two groups,and was close to that in a normal esophagus (P＞0.05).ALT and AST did not differ before and after intervention in all groups (P＞0.05).Conclusion ① We can establish benign esophageal stricture model successfully through the surgery.② 32Pradioactive isotopes radiation therapy can be used to prevent early scar formation in esophageal benign stricture,and is superior to dexamethasone therapy.

[Summary] Between February 2010 and November 2014, a retractor fabricated by stainless steel tongue depressor was used in 30 cases of small incision appendectomy in our department .All the operations were performed via an incision 1.5-3 cm in length.No complications were found .Such self designed retractor can be clinically utilized with characteristics of cheapness , safety, and good exposure of operative field .

Objective To study the application of small interfering RNA silencing S100A4 protein in human gastric cancer cell BGC-823 proliferation,apoptosis and the effect of chemotherapy sensitivity.Methods Human gastric carcinoma cell line BGC-823 transfection siRNA,RT-PCR detected the changes of mRNA after transfection.Groups divided into interference group,negative control group and normal control group.MTT test determined different concentrations of oxaliplatin in gastric cancer cells and calculated IC50,then draw cell growth curve,TUNEL method to detect apoptosis,RT-PCR tested each cell mRNA changed,Western blot detected the change of the S100A4 protein.All data analysis by SPSS17.0,t test applied,RT-PCR and Western blot results analysis by SPSS17.0,comparing multiple samples by using single factor analysis of variance and LSD test.P ＜ 0.05 was statistically significant.Results RT-PCR results showed that BGC-823 cell transfection,S100A4mRNA expression quantity respectively after 48 hours:(0.674+0.011),(0.652+0.021),(0.345 + 0.040),the interference group and normal control group were statistically significant (P =0.012,P ＜ 0.05) and the negative control group with interference group differences were statistically significant (P =0.000,P ＜ 0.05),and normal control group was no statistically significant difference with the negative control group (P =0.380,P ＞ 0.380);Western blot results showed BGC-823 cell transfection S100A4 expression significantly lowered respectively after 48 hours,there were (0.654 + 0.025),(0.642 + 0.014),(0.317 ± 0.061),the interference group and normal control group was statistically significant (P =0.01,P ＜ 0.05),between negative control group and interference group were statistically significant (P =0.000,P ＜ 0.05),normal control group and the negative control group had no significant difference (P =0.341,P ＞ 0.341).After S100A4-siRNA transfection,gastric carcinoma BGC-823 cell proliferation decreased,TUNEL method showed obviously increase apoptosis,MTY showed that IC5o of oxaliplatin was 56.31 μmol/L,after transfection,IC50 was 0.654 μmol/L.Conclusions This study showed that the siRNA silence S100A4 protein inhibit gastric cancer cell proliferation,induced apoptosis and improved chemotherapy sensitivity of oxaliplatin.S100A4 might be prompt targets for the treatment of gastric carcinoma.

Objective:To observe the clinical efficacy of the combination of montelukast, budesonide nasal spray and deslorata-dine citrate disodium in the treatment of allergic rhinitis and its influence on inflammatory cytokines. Methods:Totally 94 cases of al-lergic rhinitis patients received treatment in our hospital were selected and divided into the observation group and the control group ran-domly. The control group received budesonide nasal spray and desloratadine citrate disodium, and the observation group received mon-telukast additionally. After 4-week treatment, the changes of clinical symptoms and the contents of IL-6, IL-8 and IL-10 in the two groups were compared. The clinical efficacy of the two groups was also compared. Results:After the treatment, the VAS score of the nasal symptom and category symptoms in the two groups were lower than that before the treatment, and the score of the observation group was lower than that of the control group (P<0. 05). After the treatment, the contents of IL-6 and IL-8 were significantly re-duced while the content of IL-10 was significantly increased in the two groups, and the changes in the observation group were more no-table than those in the control group (P<0. 05). The total effective rate of the observation group was 91. 49%, which was higher than that of the control group (80. 85%, P<0. 05). Conclusion:The combination of montelukast, budesonide nasal spray and deslorata-dine citrate disodium can significantly improve the clinical symptoms, reduce the IL-6 and IL-8 levels and increase the IL-10 content in allergic rhinitis patients.

Objective: To explore influence of p38 mitogen-activated protein kinase (p38MAPK) inhibitor on myocardial cell apoptosis and expression of tumor necrosis factor (TNF)-α in rats with ischemia/reperfusion (I/R) injury. Methods: According to number table method, a total of 30 SD rats were randomly and equally divided into blank control group, I/R group and inhibitor group. p38MAPK mRNA expression, TNF-α level and myocardial cell apoptotic rate were measured, compared and analyzed among three groups. Results: Compared with blank control group, there were significant increase in TNF-α level [(3.68±0.16) μg/L vs. (5.02±0.09) μg/L], p38MAPK mRNA expression [(1.76±0.46) vs. (2.35±0.02)] and myocardial cell apoptotic rate [-(3.51±0.40) % vs. - (1.8±0.23) %] in I/R group, P=0.001 all. Compared with I/R group, there were significant decrease in p38MAPK mRNA expression (2.09±0.16), TNF-α level [(4.15±0.11) μg/L] and myocardial cell apoptotic rate [-(2.9±0.50) %] in inhibitor group, P=0.001 all. Conclusion: Inhibition of p38 mitogen-activated protein kinase expression in myocardium of rats can decrease production of tumor necrosis factor-α and myocardial cell apoptosis, then relieve ischemia/ reperfusion injury of myocardial cells.

Hydrodynamic chromatography(HDC) and slalom chromatography(SC) called as dynamic liquid chromatography(DLC) were introduced and reviewed, mainly for the recent development of separation principle, theoretical model, and applications. Fifty two

BACKGROUND: Previous studies have indicated that hyperhomocysteinemia can induce atherosclerosis by enhancing oxidative stress, whereas Ginkgo biloba extract (GbE) can scavenge oxygen-derived free radicals.OBJECTIVE: To observe the role of reactive oxygen species (ROS) and nuclear factor-kappa B (NF-κB) in the expression of cell adhesion molecules (CAMs) induced by homocysteine (Hcy), and investigate the effect of GbE.DESIGN: A randomized controlled animal trial.SETTING: Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology.MATERrALS: Twenty-four healthy male rabbits of 6 months old. Dl-methionine (Sigma Chemical, Co.,Ltd.); GbE (Guizhou Yibai Pharmaceutical Company; powder).METHODS: The experiment was accomplished in the Laboratory of Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology from March 2003 to April 2004. ① After adaptive feeding for 2 weeks, the rabbits were randomly divided into three groups: Model group (n =12): The rabbits were treated with subcutaneous injection of dl-methionine (80 mg/kg per day); GbE group (n =8): The rabbits were administrated with GbE (mixed with feed, 50 m/kg per day) at 1 hour before the subcutaneous injection of dl-methionine; Control group (n=4): The rabbits were injected with equivalent sodium chloride. They were administrated for 7 weeks continuously. ②Histological changes were observed under light and electron microscopes: ROS level was determined with colorimetries (721 visible spectrophotometer); The expressions of CAMs and NF-κB in endothelial cells were detected with immunohistochemical methods; The concentration of plasma Hcy was measured with high-performance liquid chromatography.MAIN OUTCOME MEASURES: Histological changes, ROS level and expressions of CAMs and NF-κB in endothelial cells.RESULTS: All the 24 rabbits were involved in the analysis of results. ① ROS level: After administration, the ROS level in the model group was obviously increased (2.92±0.20,2.48±0.26, P ＜ 0.05), whereas those in the GbE group and control group (2.41±0.23, 2.43±0.20) had no obvious differences as compared with those before administration (2.31±0.27,2.47±0.32, P ＞ 0.05). ② Histological changes: Aortas of rabbits in the model group presented initial changes of atherosclerosis, including shedding or necrosis of endothelial cells and nuclear pyknosis or standing in a clutter of smooth muscle cells. There were scarcely any changes in the GbE group and control group. ③ Expressions of CAMs and NF-κB in endothelial cells: After treatments, the expressions of vascular cell adhesion molecule-1 (VCAM-1), intercellular adhesion molecule-1 (ICAM-1) and NF-κB in the model group were obviously higher than those in the control group (P ＜0.05), and there were no significant differences between the GbE group and control group (P ＞ 0.05). ④ Concentration of plasma Hcy: After 7 weeks, the concentration of plasma Hcy was higher in the model group and GbE group than in the control group [(25.01±6.80), (26.71±2.36), (16.85± 1.64) μmol/L, P ＜ 0.05].CONCLUSION: Hcy-induced oxidative stress plays an important role in NF-κB activation. GbE might suppress the activation of NF-κB and expression of CAMs by reducing ROS.