Objective To investigate the pathological significance of expression of IL-23 in colon tissues of patients with steroid-dependent uncreative colitis at remission.Methods Expression of IL-23 was measured by means of Western Blot and immunohistochemistry SABC in inflammation repairing areas from 15 patients with steroid-dependent ulcerative colitis at remission, 30 patients with common ulcerative colitis at remission (15 treated with SASP and 15 with prednisone) and 10 normal colon tissues.The results were analyzed by SPSS 16.0.Results Compared with normal control, expression of IL-23 in patients of SASP maintenance therapy and prednisone with common ulcerative colitis were slightly increased ( P > 0.05), which was significantly lower that of steroid-dependent specimens ( P < 0.01).Conclusion Over-expression of IL-23 may plas a key role in the pathogenesis of steroid-dependent ulcerative colitis.

0.05).Histological type,gross type,tumor site,lymph node metastasis and depth infiltration were related to the prognosis of gastric cancer(P

Objective:To investigate the clinical significance of LncRNA anti-differetiation non-coding RNA (ANCR) expression in tumor tissues of gastric cancer patients and its biological effects on cells.Methods:72 cases of gastric cancer tissues and corresponding adjacent tissues were collected from Sep. 2016 to Jun. 2018 in our Hospital. Gastric cancer cell HGC-27 was cultured, lentiviral transfected ANCR cDNA full-length vector was used as a Test group in HGC-27 cells, and transfected blank vector as a control group. Real-time quantitative PCR (qPCR) was used to detect the expression of ANCR, transcription factor Oct4 and Sox2 mRNA in tissues or cells, Western blot was used to detect the expression levels of Oct4 and Sox2 in cells, CCK-8 assay was employed for detecting cell proliferation in both groups, and Transwell invasion and migration assay was used to detect the transfer ability of cells in the two groups.Results:The expressions of ANCR in gastric cancer and corresponding adjacent tissues were respectively 0.013 (0.006, 0.025) and 0.041 (0.011, 0.136) , and the expression of ANCR in gastric cancer tissues was significantly higher than that in adjacent tissues ( P<0.01) , and patients with high expression of ANCR had higher TNM stage and lower cell differentiation ( χ2=7.414 and 8.236, P<0.05) . The expressions of ANCR mRNA in control group and test group were respectively 1.000±0.064 and 6.250±0.889, Oct4 mRNA were respectively 1.000±0.208 and 2.815±0.349, Sox2 mRNA were respectively 1.000±0.173 and 2.526±0.390, Oct4 protein were respectively 1.000±0.148 and 3.396±0.105, Sox2 protein were respectively 1.000±0.119 and 2.916±0.130, and the expressions of ANCR, Oct4 and Sox2 mRNA in the test group were significantly higher than those in the control group ( P<0.01) ; the expression levels of Oct4 and Sox2 protein in the test group were significantly higher than those in the control group. The proliferation abilities of control group and test group were 7.164±0.426 and 9.627±0.605 in 72h, and 13.750±1.089 and 19.166±1.649 in 96h. The proliferation of cells in the Test group at 72 and 96 hours was significantly higher than that in the control group ( P<0.01) . The average number of invasive cells per visual field in control group and test group were 17.26±5.48 and 39.43±5.21, and number of migration cells were 30.49±7.74 and 62.20±7.51, and the number of migration and invasion cells in the Test group was significantly larger than that in the control group ( P<0.01) . Conclusions:The expression of LncRNA ANCR in tumor tissues of gastric cancer patients is significantly increased, and it is closely related to the progression of the disease of patients and the degree of cell malignancy. It can promote the expression of gastric cancer stem cell markers in vitro and enhance the ability of cell proliferation and metastasis.

Objective To investigate the effects of Atorvastatin calcium on the incidence of macular edema after phacoemulsification in diabetic patients.Methods Forty two eyes of 42 cataract patients with diabetes and hypercholesterolemia who underwent phacoemulsification surgery were divided into interventional group (23 patients) and non-interventional group (19 patients) by random number table methods.The blood glucose and pressure of patients in two groups was controlled strictly before and after surgery.10 mg Atorvastatin calcium per day was delivered one day after cataract surgery for the patients of interventional group and used for 24 weeks.No lipid-lowing agent was provided to the patients of non-interventional group.The main outcome measures included the best corrected visual acuity (BCVA),central retina thickness (CRT),total cholesterol (TC),low density lipoprotein cholesterol (LDL-C) and high density lipoprotein cholesterol (HDL-C).No significant difference was shown in the BCVA,CRT,TC,LDL-C and HDL-C in two groups before phacoemulsification surgery (t=1.251,1.257,1.031,1.042,1.461;P＞0.05).At the end of the 24 weeks after surgery,the efficacy evaluation and comparative analysis were performed.The analysis included the BCVA,the incidence of macular edema,CRT,TC,LDL-C and HDL-C.Results The BCVA was no significantly different between two groups one day after surgery (t=1.523,P＞0.05).But 4,12,24 weeks after phacoemulsification surgery,the BCVA in interventional group was better than that in non-interventional group(t=3.920,3.012,7.025;P＜0.05).24 weeks after the operation,macular edema was occurred in 2 eyes (8.69％) in interventional group and 4 eyes (21.05 ％) in non-interventional group.Significance difference was found between two groups (x2 =4.896,P＜0.05).There was no significance different of the CRT between two groups one day after operation (t=1.501,P＞0.05).Whereas,the significance difference of the CRT was occurred in two groups 4,12,24 weeks after surgery(t=4.673,7.583,9.035;P＜0.05).Comparing with that in non-interventional group,the level of TC (t =7.043,7.930,8.611) and LDL-C (t =9.374,9.554,10.856) in interventional group was significantly decreased 4 to 24 weeks after operation (P＜0.05).But no significance different of HDL-C was shown in two groups 4,12 and 24 weeks after surgery (t=1.057,1.127,1.295;P＞ 0.05).Conclusion The treatment of Atorvastatin calcium effectively reduced the incidence rate of macular edema in hypercholesterolemia patients with good glycemic and hypertension control after phacoemulsification surgery.

Objective To dosimetrically compare three delivery techniques of VMAT,IMRT and 3D-CRT in the treatment of accelerated partial breast irradiation (APBI).Methods Twenty patients with T1/2N0M0breast cancer were treated with VMAT.These cases were subsequently re-planned using static gantry IMRT and 3D-CRT technology to evaluate dosimetric differences.Dosimetric parameters including dose conformity index (CI),dose volume histogram (DVH) analysis of normal tissue coverage,dose parameters of PTV and normal tissues were evaluated,the delivery parameters including MU and delivery time were also analyzed.Results The IMRT and VMAT plans provided lower maximum dose,better mean dose and more conformal target dose distributions than the 3D-CRT plans (F =14.86,8.57,18.23,P ＜0.05).The volume of ipsilateral breast receiving 5 Gy for VMAT technique was significantly less than that of3D-CRTor IMRT(F=5.83,P＜0.05).The ipsilateral lung volume receiving 20 Gy (V20),5 Gy(V5) and the 5％ volume dose (D5) of IMRT were superior to those of 3D-CRT and VMAT(F =16.39,3.62,4.81,P ＜ 0.05).The low volume dose distributions of D5 in contralateral lung for IMRT was better than that of VMAT and 3D-CRT(F =3.99,3.43,P ＜ 0.05).The total mean MUs for VMAT,3D-CRT and IMRT were 621.0 ± 111.9,707.3 ± 130.9 and 1161.4 ± 315.6,respectively (F =31.30,P ＜ 0.05).The average machine delivery time was(1.5 ± 0.2)min for the VMAT plans,(7.0 ± 1.6)min for the 3D-CRT plans and (11.5 ± 1.9)min for the IMRT plans.Conclusions VMAT and IMRT techniques offer improved dose conformity as compared with 3D-CRT techniques without increasing dose to the ipsilateral lung.In terms of MU and delivery time,VMAT is more efficient for APBI than conventional 3D-CRT and static beam IMRT.

Objective To investigate a new automatic inverse optimal solution based on VMAT optimization model and verify its result.Methods A variant of the new automatic inverse optimal solution was proposed in this study,which provided a solution to calculate treatment plan with the minimized number of beams and the minimized levels of their intensities on the basis of VMAT optimization model by customized software tools.The verifications were evaluated on the simulated head-neck phantom by dosimetric parameters.Results Compared with conventional IMRT/VMAT treatment plans,the adaptive optimization program(AOP)plan showed that plan20/40(20 fields with totally 40 sub-fields,m=2)made the best achievement and it was clinicable.Conclusions The proposed new optimization technique provides an effective way to reach an inverse treatment plan with the best compromise and less sub-fields compared with IMRT/VMAT plans.

Objective To investigate the role of Heme oxygenase-1 in the effect of hyperbaric oxygen preconditioning (HBOP) against the brain edema formation after experimental intracerebral hemorrhage in rats.Methods The study was carried out by animal experiment in two steps by using 54 Spradgue-Dawley rats weighting from 300-350 g.In the first step,rats were treated with HBOP (HBOP group,n =3) or with sham pre-conditioning (Sham pre-conditioning group,n =3).All the rats were sacrificed 24 h after the preconditioning,and basal ganglion of brain tissue was taken for detect HO-1 level by using western blot analysis.In the second step,rats were divided into 4 groups (n =12 in each group):HBOP +ZnPP group,in which rats had a micro-pump intra-peritoneally implanted containing a specific HO-1 inhibitor ZnPPⅨ (Zinc protoporphyrin IX,0.01 mg/kg),Sham pre-conditioning + Znpp group,HBOP + DMSO group,in which rats with a intra-peritoneal micro-pump containing 2 mL Dimethyl sulfoxide (DMSO,a solvent vehicle) and Sham pre-conditioning + DMSO group before HBOP.At 24 hours after the pre-conditioning,rats received an infusion of 100 μL autologous blood into the caudate nucleus to form a simulated intracerebrum hemorrhage (ICH),and were sacrificed 72 h later for brain water content measurements.All data were analyzed by using Stata 7.0 software and statistical analyses were carried out by two-tailed Student t test.Results Compared with the Sham pre-conditioning group,the HBOP group had significant higher level of HO-1.Compared with the Sham pre-conditioning + DMSO group,the HBOP + DMSO group had a significant lower level of water content in the ipsilateral basal ganglion [(81.4 ± 0.9) ％ vs.(82.6 ± 0.8) ％ (P ＜ 0.05)],however,peritoneal infusion of ZnPP Ⅸ before HBOP abolished HBOP-induced protection against brain edema formation after experimental ICH [(82.8 ± 0.9) ％ vs.(82.6 ± 0.7) ％ (P ＞ 0.05)].Conclusions Hyperbaric oxygen preconditioning attenuate brain edema formation after experimental ICH in rats,and this protection is attributed to the activation of HO-1.

Objective To observe the effects of cystamine, a tissue transglutaminase (tTG) inhibitor, on the development of rat liver fibrosis induced by carbon tetrachloride. Methods One hundred male SD rats were randomly divided into control group (n=20), hepatic fibrosis group (n=40) and cystamine group (n=40) . Liver fibrosis model was induced by intraperitoneal injection of carbon tetrachloride. Cystamine (112 mg·kg-1·d-1) was administered by intraperitoneal injection 2 days before injection of carbon tetrachloride. The rats were sacrificed at weeks 4 and 8, and the liver tissues and serum specimens were obtained. The mRNA expression of tTG, smooth muscle-alpha (α-SMA), collagen-Ⅰ and tissue inhibitors of metalloproteinase-1 (TIMP-1) were detected by real time PCR. The protein expression of tTG and α-SMA, liver function and content of hydroxyproline in liver tissues were determined by Western blot. Histological changes of the liver was observed under microscope. The fibrosis conditions of rat liver in each group were evaluated according to the semi-quantita-tive scoring system. All the data were analyzed by one-way ANOVA. Results Eight weeks after the injection of carbon tetrachloride, obvious injury of the liver in liver fibrosis group was observed. The levels of alanine trans-aminase (ALT), total bile acid, total bilirubin, hydroxyproline, tTG, α-SMA, collagen-Ⅰ and TIMP-1 were (1313±157)U/L, (99.9±18.5)μmol/L, (10.9±1.6)μmoL/L, (55±12)μg/g, 145.6±51.2, 130.3±44.6, 211.3±75.1 and 162.4±53.5. After administration of cystamine, the levels of ALT, total bile acid, total bilirubin, hydroxyproline, tTG, α-SMA, collagen-Ⅰ and TIMP-1 were (378±87) U/L, (61.0±12.7) μmol/L, (9.8±1.7) μmol/L, (70±14 ) μg/g, 48.6±12.3, 40.7±12.3, 63.9±16.0, 59.2μ23.4. Conclusion Cystamine can alleviate the carbon tetrachloride-induced rat liver fibrosis by inhibiting the tTG pathway.

Objective To investigate the anti-fibrosis effect of a 5-lipoxygenase (5-LO)specific inhibitor AA-861 on liver fibrosis. Methods Liver fibrosis was induced in male Sprague Dawley rats by intraperitoneal injection of carbon tetrachloride(CCI4).AA-861(0.2 mg/100 g/d)was administrated by intraperitoneal injection starting 2 days before the first dosage of CCI4 and rats were killed at weeks 2,4,and 6.Liver specimens were obtained from each animal and fixed with 4%formaldehyde for histological analysis. The Mrna expression of 5-LO,smooth muscle-alpha(α-SMA),Collagen-1,matrix metalloproteinase-2(MMP-2)and tissue inhibitors of metalloproteinase-1(TIMP-1),the protein expression of 5-LO were evaluated by real time PCR and Western blot respectively. Histological analysis was performed by microscopy observation. Fibrosis conditions in rat liver in each group were evaluated according to the semi-quantitative scoring system (SSS), Hyp in rat livers and the hepatic functional biochemistry were also detected. Results Along with the aggravation of liver fibrosis, the gene expression of 5-Lo,α-SMA,Collagen-1,MMP-2 and TIMP-1 increased gradually, and the level of ALT, TBA, Hyp and SSS score also increased gradually. With the administration of AA-861,the Mrna expression of 5-LO,α-SMA,Collagen-1,MMP-2,TIMP-1 and the protein expression of 5-LO decreased remarkably, and the reduction in TIMP-1 Mrna expression was more significant than that in MMP-2.Six weeks after AA-861 treatment, the level of ALT, TBA, Hyp and SSS score were also decreased significantly. Conclusion AA-861 ameliorates CCI4 induced rat liver fibrosis by inhibiting the 5-LO pathway and decreasing the expression of 5-LO,α-SMA,Collagen-1,MMP-2 and TIMP-1.

Objective To investigate the characteristics of personal injuries in motorcycle accidents in Chongqing area to provide the reliable information and reference basis for reducing the injury and death risk of the motorcycle accidents.Methods Two hundreds and thirteen cases of motorcycle traffic accident occurred in Chongqing area from January 2015 to June 2016 were deeply collected,the collected contents included the basicinformation,driver information and personal injury,etc.Then accident data were statistically analyzed.Results The death rate of motorcycle drivers was higher than that of the pillion passengers.The death causes of craniocerebral injuries and craniocerebral injuries complicating thoracic and abdominal organ injuries accounted for 58.8％ and 20 ％ respectively,the proportions of head and neck,chest and back,lower extremity,upper extremity,abdominal and pelvic part and perineal part MAIS ≥2 were 71％,59％,33％,25％,20％ and 7％ respectively.The perineal injury rate of motorcycle drivers was higher than that of the pillion passengers.The ratio of occurrence rates between lower extremity fracture to upper extremity fracture was 1.8 ∶ 1,the persons in motorcycles-trucks accidents were easier to suffer from vehicle crushing.Conclusion Head and chest injuries are important causes leading to motorcycle drivers and pillion passengers' death and injury.The perineal injury can serve as an important basis for identifying the drivers and pillion passengers in partial motorcycle accidents.