Objective To investigate the effect of bifidobacteria on dextran sulphate sodium(DSS)- induced acute ulcerative colitis in mice.Methods Thirty BALB/C mice were randomly divided into nor- mal control group (n=10),0501 strain group (n=10) and c122 strain group (n=10).Fifty BALB/ C mice received 5% dextran sulphate sodium(DSS) for 7 days to induce ulcerative colitis.The mice were then divided to model group,negative control group(perfused with 0.9 NaCl solution ),positive control group(perfused with SASP of 20 mg/ml),DSS + 0501 strain group(perfused with 1?10~9 CFU/ml bifidobacteria 0501 strain solution and DSS + c122 strain group (perfused with 1?10~9 CFU/ml bifidobacteria c122 strain solution).All mice were sacrificed 9 days later.The colon specimens were measure by histoehemical staining with H-E.The expressions of interleukin-10 (IL-10) and its protein were detected by RT-PCR and immunohistochemistry respectively.Results The degree of colon inflam- mation in mice both in DSS+ 0501 strain and DSS+ c122 strain groups were aggravated and expressions of IL-10 mRNA and protein were reduced compared to model group.No colon inflammation was found in 0501 strain and c122 strain groups.Conclusion Some strain of bifidobaeteria may aggravate colon in- flammation in mice when mucosal harrier is destroyed.

Objective To investigate the impact of reduced glutathione(GSH) on the prolifera- tion,oxidative stress and transforming growth factor?1(TGF-?1) expression of human hepatocytes and hepatic stellate cells(HSCs)(LX-2 cell line).Methods Human hepatocytes and HSCs were incubated with various concentrations of GSH(0.5—50 mmol/L or 0.5—10 mmol/L).The effects of GSH on the proliferation of hepatocytes and HSCs were studied by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphennyhera- zolium bromide colorimetric assay.Human hepatocytes and HSCs were co-cultured with GSH and ferric nitrilotriacetic acid,superoxide dismutase (SOD) activity and malondialdehyde (MDA) contents were detected.HSCs were incubated with high(5.0 mmol/L),media(2.5 mmol/L) and low (0.5 mmol/L) concentrations of GSH,the expressions of TGF-?1 mRNA and protein were detected by ELISA and real- time PCR.Results In concentration ranged from 2.5 to 10 mmol/L,the GSH could promote the pro- liferation of hepatocytes but no HSCs,significantly increased the activity of SOD and decrease the con- tents of MDA in hepatocytes and HSCs,and inhibited the expression of TGF-?1 in HSCs.Conclusions GSH can not only promote the proliferation of hepatocytes,but also protect hepatocytes and HSCs from oxidative stress,and inhibit the secretion of TGF-?1 in HSCs.GSH may play a role in hepatocellular protection,antioxidation and anti-fibrosis.

OBJECTIVETo investigate the clinical features of Crohn disease according to the Montreal classification.

METHODSClinical data of 43 surgical patients with Crohn disease (surgical group) and 125 non-surgical patients with Crohn disease (non-surgical group) were retrospectively analyzed and compared between two groups. The Montreal classification was used.

RESULTSIn the surgical group, 28 patients (65.1%) were A2, 14 (32.6%) were A3 and only one was A1, which was not significantly different as compared to the non-surgery group. The proportions of L1, L2, L3, and L4 subtype in the surgical group were 41.9%, 25.6%, 30.2%, and 2.3%, respectively, which was not significantly different as compared to that in the non-surgery group. In the surgical group,B1 disease was found in 1 case (2.3%), B2 in 26 cases (60.5%), and B3 in 16 cases (37.2%), while in the non-surgical group, B1 was found in 79 cases (63.2%), B2 in 44 cases (35.2%) and B3 in 2 cases (1.6%). Differences were significant between two groups in disease behavior (P=0.001, P=0.004, P=0.001).

CONCLUSIONSMost surgical patients of Crohn disease are A2. L1 and L3 are the main lesion location. As disease behavior, B2 and B3 are the main reasons for operation.

Adolescent ; Adult ; Aged ; Aged, 80 and over ; Child ; Crohn Disease ; classification ; pathology ; surgery ; Female ; Humans ; Male ; Middle Aged ; Reference Standards ; Retrospective Studies ; Young Adult

Objective: To observe the clinical efficacy of acupuncture plus MOTOmed intelligent motor training in treating children with spastic cerebral palsy, and analyze the effects on lower limb motor function, intelligence development level, immune function and cerebral hemodynamics.Methods: A total of 42 children with spastic cerebral palsy were selected as the observation objects, and enrolled into the observation group. Another 42 cases treated in the same period were selected as the control group. Both groups received MOTOmed intelligent motor training, and the observation group was given additional acupuncture therapy, and the control group was given additional conventional rehabilitation treatment. After 2 consecutive treatment courses, the psychomotor development index (PDI) and mental development index (MDI) of Children's Developmental Center of China (CDCC) scale, the scores of gross motor function measure (GMFM) scale and modified Ashworth scale (MAS), and the changes in CD3+, CD4+, CD8+ and CD4+/CD8+ were observed. The peak systolic velocity (PSV) and mean flow velocity (MFV) of the anterior cerebral artery (ACA), middle cerebral artery (MCA) and posterior cerebral artery (PCA) were observed and measured. The clinical efficacy was evaluated. Results: Compared with the same group before treatment, the scores of GMFM, PDI and MDI, levels of CD3+, CD4+ and CD4+/CD8+, PSV and MFV levels of ACA, MCA and PCA in both groups were significantly increased after treatment (all P<0.05), while the CD8+ level had no significant change (both P>0.05). After treatment, the total effective rate of lower limb spasm in the observation group was 90.5％, significantly higher than 71.4％ in the control group (P<0.05). The scores of GMFM, PDI and MDI, the levels of CD3+ and CD4+, PSV and MFV, and the levels of ACA, MCA and PCA in the observation group were all significantly higher than those in the control group (all P<0.05). There were no significant differences in the CD8+ level and CD4+/CD8+ between the groups (all P>0.05). Conclusion: Acupuncture plus MOTOmed intelligent motor training has a better clinical efficacy than conventional rehabilitation plus MOTOmed intelligent motor training in treating children with spastic cerebral palsy, and is also superior in improving lower limb motor function and the level of intellectual development. And the mechanism may be related to the improvement of cerebral hemodynamics.

OBJECTIVETo investigate the antitumor immune response induced by dendritic cells vaccine coding AFPcDNA fragment with signal peptide (AFP(1)) and without signal peptide (AFP(2)), and to determine the inhibiting effect of the vaccine on the growth of hepatocarcinoma xenograft in Balb/c mice.

METHODSpcDNA3.1/AFP(1) and pcDNA3.1/AFP(2) were transfected into dendritic cells (DCs) by calcium phosphate nanoparticles and became DCs vaccine. Mouse spleen lymphocytes were stimulated by AFP(1)/DC and AFP(2)/DC. A Balb/c mouse model bearing mouse HCC xenograft was established on the day 14 after transplantation. Forty mice were divided equally into AFP(2)/DC group, AFP(1)/DC group and plasmid control group. The treated mice received DCs vaccine and the same amount of control plasmid.

RESULTSAFP(2)/DC stimulated T lymphocytel proliferation in vitro and improved CTL activity. The effects were better than AFP(1)/DC. The tumor-bearing mice injected intralesionally with AFP(1)/DC and AFP(2)/DC at a dose of 0.5 ml per mouse showed inhibition of tumor growth and prolongation of survival time. The tumor inhibition rate of the AFP(2)/DC group was 79.2% and the AFP(1)/DC group was 39.7% at 2 weeks after treatment. The tumor volume of AFP(2)/DC group was (726.7 +/- 298.2) mm(3), significantly smaller than the (1486.2 +/- 457.2) mm(3) of the AFP(1)/DC group and (2137.2 +/- 547.2) mm(3) of the plasmid control group (P < 0.05). The mean survival time of mice in the AFP(2)/DC group [(58.5 +/- 4.2) d] and AFP(1)/DC group [(45.2 +/- 4.8) d] were significantly longer than that of plasmid control group [(30.6 +/- 6.2) d, P < 0.05]. Bax-positive cell percentage was increased in the xenografts of AFP(2)/DC-treatment group compare with that of plasmid control group.

CONCLUSIONAFP(2)/DC and AFP(1)/DC vaccines show evident inhibiting effect on the growth of H22 xenograft in Balb/c mice through inducing efficient and specific immune response against the hepatocarcinoma cells.

Animals ; Calcium Phosphates ; pharmacology ; Cancer Vaccines ; immunology ; Cell Line, Tumor ; Cell Proliferation ; DNA, Complementary ; genetics ; immunology ; Dendritic Cells ; immunology ; Immunization ; Liver Neoplasms, Experimental ; pathology ; Male ; Mice ; Mice, Inbred BALB C ; Nanoparticles ; Neoplasm Transplantation ; Peptide Fragments ; Spleen ; cytology ; T-Lymphocytes ; pathology ; T-Lymphocytes, Cytotoxic ; immunology ; Transfection ; alpha-Fetoproteins ; genetics ; immunology

OBJECTIVE: To evaluate the effect of herceptin(trastuzumab) plus adjuvant chemotherapy on the prognosis of patients with human epithelial growth factor receptor 2 (HER2) positive early-stage breast cancer by Meta-analysis. METHODS: Search all of randomized clinical trials (RCTs) on herceptin plus adjuvant chemotherapy for HER2 positive early-stage breast cancer in MEDLINE, EMBase, Cochrane library, Clinical Trails, ASCO Conference data, CHKD, Wanfang Database, VIP information, scholar.google.com and SIGLE. A Meta-analysis was carried out by collecting information based on the inclusion and exclusion criteria from all papers available. RESULTS: The Meta-analysis included 4 trials. A total of 9116 patients were included in the analysis(4555 in the study group and 4561 in the control group). There were statistical differences between the study group(herceptin plus adjuvant chemotherapy) and the control group(adjuvant chemotherapy) in the disease-free survival rate [relative risk(RR)=1.08, 95% CI, 1.06-1.09, P<0.001], the overall survival rate(RR=1.01, 95% CI, 1.01-1.02, P=0.0003), the distant recurrence rate(RR=0.49, 95% CI, 0.42-0.57, P<0.001), and the cardiac events rate (RR=3.93,95% CI, 1.03-15.06, P=0.05). CONCLUSION Herceptin plus adjuvant chemotherapy can improve the disease-free survival rate and the overall survival rate, decrease distant recurrence rate of patients with HER2 positive early-stage breast cancer, but may cause heart toxicity, especially when combined with anthracycline (doxorubicin).
Antibodies, Monoclonal, Humanized ; therapeutic use ; Breast Neoplasms ; drug therapy ; genetics ; metabolism ; Chemotherapy, Adjuvant ; Female ; Humans ; Prognosis ; Receptor, ErbB-2 ; genetics ; Trastuzumab

OBJECTIVETo investigate the effects of intensive insulin therapy on insulin resistance(IR) and serum proteins after radical gastrectomy.

METHODSTwenty-two gastric cancer patients were randomly divided into the control (n=11) and intensive insulin therapy group (n=11), and underwent distal radical subtotal gastrectomy under epidural anesthesia. Fasting blood glucose (FBG), fasting insulin (FINS) and serum proteins were assayed preoperatively and at day 1, 3, 7 postoperatively. Insulin resistance index was calculated using homeostasis model assessment (HOMA). The length of hospital stay and postoperative complications were recorded respectively.

RESULTS(1)The levels of FBG, FINS, lnHOMA-IR (P<0.01,P<0.05) and the incidence of insulin resistance were remarkably decreased by intensive insulin therapy after the surgical procedure.(2)The levels of serum transferrin (TRF), prealbumin (PRE) and retinal binding protein (RBP) in the intensive insulin therapy group were significantly improved as compared to control group after operation(P<0.05). (3) The duration of fever, antibiotic use, passage of gas by anus, length of hospital stay and the occurrence of postoperative complications were also significantly lower than those in control group(P<0.01,P<0.05).

CONCLUSIONCompared to routine therapy, the intensive insulin therapy has more beneficial effects on the patients undergone distal radical subtotal gastrectomy in decreasing the insulin resistance, improving the status of nutrition and preventing postoperative complications.

Adult ; Aged ; Blood Glucose ; metabolism ; Blood Proteins ; metabolism ; Female ; Gastrectomy ; Humans ; Insulin ; metabolism ; therapeutic use ; Insulin Resistance ; Male ; Middle Aged ; Postoperative Complications ; Stomach Neoplasms ; drug therapy ; metabolism

OBJECTIVETo investigate lyophilization of SM-SLN.

METHODThe parameters of lyophilization process was optimized. In addition, the protective effect of various types and concentrations of cryoprotectants were tested by shape, colour and disparity.

RESULTThe mixture of 2% lactose and 2% glucose could better prevent nanoparticles from aggregating, the optimal lyophilization process was followed: precooled at -45 degrees C for 10 hr; primary drying at -25 degrees C for 5 hr; secondary drying at 10 degrees C for 3 hr; finally drying at 30 degrees C for 6 hr.

CONCLUSIONChanges in particle size distribution during lyophilization could be minimized by optimizing the parameters of the lyophilization process and adding supporting agent.

Drug Carriers ; chemistry ; Freeze Drying ; methods ; Glucose ; chemistry ; Lactose ; chemistry ; Lipids ; chemistry ; Milk Thistle ; chemistry ; Nanotechnology ; Particle Size ; Plants, Medicinal ; chemistry ; Silymarin ; administration & dosage ; chemistry ; isolation & purification ; Technology, Pharmaceutical ; methods

OBJECTIVE: To observe the therapeutic effect of Bacillus acidi lactici on Helicobacter Pylori (Hp) infectious gastritis in Balb/c mouse model so as to explore a possible non-antibiotic treatment for Hp. METHODS: To establish a Balb/c mouse model with Hp infectious gastritis through inoculation of mankind Hp,32 Balb/c mice infected by Hp were randomly divided into 4 groups:Group 1(PPI trigeminy treatment group),Group 2 (Bacillus acidi lactici CL22 treatment group),Group 3 (Bacillus acidi lactici CL24 treatment group),and Group 4 (normal saline control group). Intragastric administration was given continuously for 10 days. Another 8 normal mice were chosen as Group 5(blank control group). All mice were killed after 4 weeks since last intragastric administration. Hp was detected by rapid urease test,Giemsa dying, and bacterial culture,and histopathologic changes in the gastric mucosa of mice were determined by H-E staining. RESULTS: There were significant differences in pathohistologic scores in sinus ventriculi among the 5 groups (F = 7.932, P = 0.000). The scores in Group 1, Group 2, Group 3, and Group 5 were obviously lower than those in Group 4 (P < 0.05), but there were not significant differences among Group 1, 2, and 5 (P>0.05). The pathohistologic score in Group 3 was obviously higher than that in Group 5 (P <0.05). There were significant differences in pathohistologic scores in corpus ventriculi among the 5 groups (F = 6.241, P = 0.001). The scores in Group 1,Group 2,Group 3,and Group 5 were obviously lower than those in Group 4(P <0.05), but there were not significant differences among Group 1, 2, 3,and 5 (P>0.05). There was significant difference in Hp eradication rates in sinus ventriculi among the 5 groups (chi2 = 16.923, P=0.002). The Hp eradication rates in Group 1 and 2 were obviously lower than those in Group 4 (P <0.05), but there was not significant difference between Group 1 and Group 2, Group 3 and Group 4 (P>0.05). There also were significant differences in Hp eradication rate in corpus ventriculi among the 5 groups (chi2 = 14.295, P=0.006). Of them, Group 1 and Group 2 were higher than Group 4 (P <0.05), but there were not obviously differences between Group 1 and 2,Group 3 and 4 (P>0.05). CONCLUSION Bacillus acidi lactici strain CL22 can effectively inhibit and eradicate Hp in Balb/c mouse model with Hp infectious gastritis in vivo. The therapeutic effect of Bacillus acidi lactici strain CL22 is equal to PPI + antibiotics and could be another choice of nonjantibiotic treatment for Hp.
Animals ; Antibiosis ; physiology ; Female ; Gastritis ; microbiology ; Helicobacter Infections ; microbiology ; therapy ; Helicobacter pylori ; Lactic Acid ; biosynthesis ; chemistry ; Lactobacillus ; metabolism ; physiology ; Male ; Mice ; Mice, Inbred BALB C ; Random Allocation

Animals ; DNA, Complementary ; immunology ; Dendritic Cells ; immunology ; Female ; Liver Neoplasms, Experimental ; immunology ; pathology ; Male ; Mice ; Mice, Inbred BALB C ; Neoplasm Transplantation ; alpha-Fetoproteins ; immunology